r8169: fix the reset setting for 8111evl
[linux-2.6.git] / drivers / net / r8169.c
1 /*
2  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3  *
4  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6  * Copyright (c) a lot of people too. Please respect their work.
7  *
8  * See MAINTAINERS file for support contact information.
9  */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/firmware.h>
29 #include <linux/pci-aspm.h>
30 #include <linux/prefetch.h>
31
32 #include <asm/system.h>
33 #include <asm/io.h>
34 #include <asm/irq.h>
35
36 #define RTL8169_VERSION "2.3LK-NAPI"
37 #define MODULENAME "r8169"
38 #define PFX MODULENAME ": "
39
40 #define FIRMWARE_8168D_1        "rtl_nic/rtl8168d-1.fw"
41 #define FIRMWARE_8168D_2        "rtl_nic/rtl8168d-2.fw"
42 #define FIRMWARE_8168E_1        "rtl_nic/rtl8168e-1.fw"
43 #define FIRMWARE_8168E_2        "rtl_nic/rtl8168e-2.fw"
44 #define FIRMWARE_8168E_3        "rtl_nic/rtl8168e-3.fw"
45 #define FIRMWARE_8105E_1        "rtl_nic/rtl8105e-1.fw"
46
47 #ifdef RTL8169_DEBUG
48 #define assert(expr) \
49         if (!(expr)) {                                  \
50                 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
51                 #expr,__FILE__,__func__,__LINE__);              \
52         }
53 #define dprintk(fmt, args...) \
54         do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
55 #else
56 #define assert(expr) do {} while (0)
57 #define dprintk(fmt, args...)   do {} while (0)
58 #endif /* RTL8169_DEBUG */
59
60 #define R8169_MSG_DEFAULT \
61         (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
62
63 #define TX_BUFFS_AVAIL(tp) \
64         (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
65
66 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
67    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
68 static const int multicast_filter_limit = 32;
69
70 /* MAC address length */
71 #define MAC_ADDR_LEN    6
72
73 #define MAX_READ_REQUEST_SHIFT  12
74 #define TX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
75 #define SafeMtu         0x1c20  /* ... actually life sucks beyond ~7k */
76 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
77
78 #define R8169_REGS_SIZE         256
79 #define R8169_NAPI_WEIGHT       64
80 #define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
81 #define NUM_RX_DESC     256     /* Number of Rx descriptor registers */
82 #define RX_BUF_SIZE     1536    /* Rx Buffer size */
83 #define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
84 #define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
85
86 #define RTL8169_TX_TIMEOUT      (6*HZ)
87 #define RTL8169_PHY_TIMEOUT     (10*HZ)
88
89 #define RTL_EEPROM_SIG          cpu_to_le32(0x8129)
90 #define RTL_EEPROM_SIG_MASK     cpu_to_le32(0xffff)
91 #define RTL_EEPROM_SIG_ADDR     0x0000
92
93 /* write/read MMIO register */
94 #define RTL_W8(reg, val8)       writeb ((val8), ioaddr + (reg))
95 #define RTL_W16(reg, val16)     writew ((val16), ioaddr + (reg))
96 #define RTL_W32(reg, val32)     writel ((val32), ioaddr + (reg))
97 #define RTL_R8(reg)             readb (ioaddr + (reg))
98 #define RTL_R16(reg)            readw (ioaddr + (reg))
99 #define RTL_R32(reg)            readl (ioaddr + (reg))
100
101 enum mac_version {
102         RTL_GIGA_MAC_VER_01 = 0,
103         RTL_GIGA_MAC_VER_02,
104         RTL_GIGA_MAC_VER_03,
105         RTL_GIGA_MAC_VER_04,
106         RTL_GIGA_MAC_VER_05,
107         RTL_GIGA_MAC_VER_06,
108         RTL_GIGA_MAC_VER_07,
109         RTL_GIGA_MAC_VER_08,
110         RTL_GIGA_MAC_VER_09,
111         RTL_GIGA_MAC_VER_10,
112         RTL_GIGA_MAC_VER_11,
113         RTL_GIGA_MAC_VER_12,
114         RTL_GIGA_MAC_VER_13,
115         RTL_GIGA_MAC_VER_14,
116         RTL_GIGA_MAC_VER_15,
117         RTL_GIGA_MAC_VER_16,
118         RTL_GIGA_MAC_VER_17,
119         RTL_GIGA_MAC_VER_18,
120         RTL_GIGA_MAC_VER_19,
121         RTL_GIGA_MAC_VER_20,
122         RTL_GIGA_MAC_VER_21,
123         RTL_GIGA_MAC_VER_22,
124         RTL_GIGA_MAC_VER_23,
125         RTL_GIGA_MAC_VER_24,
126         RTL_GIGA_MAC_VER_25,
127         RTL_GIGA_MAC_VER_26,
128         RTL_GIGA_MAC_VER_27,
129         RTL_GIGA_MAC_VER_28,
130         RTL_GIGA_MAC_VER_29,
131         RTL_GIGA_MAC_VER_30,
132         RTL_GIGA_MAC_VER_31,
133         RTL_GIGA_MAC_VER_32,
134         RTL_GIGA_MAC_VER_33,
135         RTL_GIGA_MAC_VER_34,
136         RTL_GIGA_MAC_NONE   = 0xff,
137 };
138
139 enum rtl_tx_desc_version {
140         RTL_TD_0        = 0,
141         RTL_TD_1        = 1,
142 };
143
144 #define _R(NAME,TD,FW) \
145         { .name = NAME, .txd_version = TD, .fw_name = FW }
146
147 static const struct {
148         const char *name;
149         enum rtl_tx_desc_version txd_version;
150         const char *fw_name;
151 } rtl_chip_infos[] = {
152         /* PCI devices. */
153         [RTL_GIGA_MAC_VER_01] =
154                 _R("RTL8169",           RTL_TD_0, NULL),
155         [RTL_GIGA_MAC_VER_02] =
156                 _R("RTL8169s",          RTL_TD_0, NULL),
157         [RTL_GIGA_MAC_VER_03] =
158                 _R("RTL8110s",          RTL_TD_0, NULL),
159         [RTL_GIGA_MAC_VER_04] =
160                 _R("RTL8169sb/8110sb",  RTL_TD_0, NULL),
161         [RTL_GIGA_MAC_VER_05] =
162                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL),
163         [RTL_GIGA_MAC_VER_06] =
164                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL),
165         /* PCI-E devices. */
166         [RTL_GIGA_MAC_VER_07] =
167                 _R("RTL8102e",          RTL_TD_1, NULL),
168         [RTL_GIGA_MAC_VER_08] =
169                 _R("RTL8102e",          RTL_TD_1, NULL),
170         [RTL_GIGA_MAC_VER_09] =
171                 _R("RTL8102e",          RTL_TD_1, NULL),
172         [RTL_GIGA_MAC_VER_10] =
173                 _R("RTL8101e",          RTL_TD_0, NULL),
174         [RTL_GIGA_MAC_VER_11] =
175                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
176         [RTL_GIGA_MAC_VER_12] =
177                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
178         [RTL_GIGA_MAC_VER_13] =
179                 _R("RTL8101e",          RTL_TD_0, NULL),
180         [RTL_GIGA_MAC_VER_14] =
181                 _R("RTL8100e",          RTL_TD_0, NULL),
182         [RTL_GIGA_MAC_VER_15] =
183                 _R("RTL8100e",          RTL_TD_0, NULL),
184         [RTL_GIGA_MAC_VER_16] =
185                 _R("RTL8101e",          RTL_TD_0, NULL),
186         [RTL_GIGA_MAC_VER_17] =
187                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
188         [RTL_GIGA_MAC_VER_18] =
189                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
190         [RTL_GIGA_MAC_VER_19] =
191                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
192         [RTL_GIGA_MAC_VER_20] =
193                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
194         [RTL_GIGA_MAC_VER_21] =
195                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
196         [RTL_GIGA_MAC_VER_22] =
197                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
198         [RTL_GIGA_MAC_VER_23] =
199                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
200         [RTL_GIGA_MAC_VER_24] =
201                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
202         [RTL_GIGA_MAC_VER_25] =
203                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_1),
204         [RTL_GIGA_MAC_VER_26] =
205                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_2),
206         [RTL_GIGA_MAC_VER_27] =
207                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
208         [RTL_GIGA_MAC_VER_28] =
209                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
210         [RTL_GIGA_MAC_VER_29] =
211                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1),
212         [RTL_GIGA_MAC_VER_30] =
213                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1),
214         [RTL_GIGA_MAC_VER_31] =
215                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
216         [RTL_GIGA_MAC_VER_32] =
217                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_1),
218         [RTL_GIGA_MAC_VER_33] =
219                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_2),
220         [RTL_GIGA_MAC_VER_34] =
221                 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3)
222 };
223 #undef _R
224
225 enum cfg_version {
226         RTL_CFG_0 = 0x00,
227         RTL_CFG_1,
228         RTL_CFG_2
229 };
230
231 static void rtl_hw_start_8169(struct net_device *);
232 static void rtl_hw_start_8168(struct net_device *);
233 static void rtl_hw_start_8101(struct net_device *);
234
235 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
236         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8129), 0, 0, RTL_CFG_0 },
237         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8136), 0, 0, RTL_CFG_2 },
238         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8167), 0, 0, RTL_CFG_0 },
239         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8168), 0, 0, RTL_CFG_1 },
240         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8169), 0, 0, RTL_CFG_0 },
241         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4300), 0, 0, RTL_CFG_0 },
242         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4302), 0, 0, RTL_CFG_0 },
243         { PCI_DEVICE(PCI_VENDOR_ID_AT,          0xc107), 0, 0, RTL_CFG_0 },
244         { PCI_DEVICE(0x16ec,                    0x0116), 0, 0, RTL_CFG_0 },
245         { PCI_VENDOR_ID_LINKSYS,                0x1032,
246                 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
247         { 0x0001,                               0x8168,
248                 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
249         {0,},
250 };
251
252 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
253
254 static int rx_buf_sz = 16383;
255 static int use_dac;
256 static struct {
257         u32 msg_enable;
258 } debug = { -1 };
259
260 enum rtl_registers {
261         MAC0            = 0,    /* Ethernet hardware address. */
262         MAC4            = 4,
263         MAR0            = 8,    /* Multicast filter. */
264         CounterAddrLow          = 0x10,
265         CounterAddrHigh         = 0x14,
266         TxDescStartAddrLow      = 0x20,
267         TxDescStartAddrHigh     = 0x24,
268         TxHDescStartAddrLow     = 0x28,
269         TxHDescStartAddrHigh    = 0x2c,
270         FLASH           = 0x30,
271         ERSR            = 0x36,
272         ChipCmd         = 0x37,
273         TxPoll          = 0x38,
274         IntrMask        = 0x3c,
275         IntrStatus      = 0x3e,
276
277         TxConfig        = 0x40,
278 #define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
279 #define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
280
281         RxConfig        = 0x44,
282 #define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
283 #define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
284 #define RXCFG_FIFO_SHIFT                13
285                                         /* No threshold before first PCI xfer */
286 #define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
287 #define RXCFG_DMA_SHIFT                 8
288                                         /* Unlimited maximum PCI burst. */
289 #define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
290
291         RxMissed        = 0x4c,
292         Cfg9346         = 0x50,
293         Config0         = 0x51,
294         Config1         = 0x52,
295         Config2         = 0x53,
296         Config3         = 0x54,
297         Config4         = 0x55,
298         Config5         = 0x56,
299         MultiIntr       = 0x5c,
300         PHYAR           = 0x60,
301         PHYstatus       = 0x6c,
302         RxMaxSize       = 0xda,
303         CPlusCmd        = 0xe0,
304         IntrMitigate    = 0xe2,
305         RxDescAddrLow   = 0xe4,
306         RxDescAddrHigh  = 0xe8,
307         EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
308
309 #define NoEarlyTx       0x3f    /* Max value : no early transmit. */
310
311         MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
312
313 #define TxPacketMax     (8064 >> 7)
314
315         FuncEvent       = 0xf0,
316         FuncEventMask   = 0xf4,
317         FuncPresetState = 0xf8,
318         FuncForceEvent  = 0xfc,
319 };
320
321 enum rtl8110_registers {
322         TBICSR                  = 0x64,
323         TBI_ANAR                = 0x68,
324         TBI_LPAR                = 0x6a,
325 };
326
327 enum rtl8168_8101_registers {
328         CSIDR                   = 0x64,
329         CSIAR                   = 0x68,
330 #define CSIAR_FLAG                      0x80000000
331 #define CSIAR_WRITE_CMD                 0x80000000
332 #define CSIAR_BYTE_ENABLE               0x0f
333 #define CSIAR_BYTE_ENABLE_SHIFT         12
334 #define CSIAR_ADDR_MASK                 0x0fff
335         PMCH                    = 0x6f,
336         EPHYAR                  = 0x80,
337 #define EPHYAR_FLAG                     0x80000000
338 #define EPHYAR_WRITE_CMD                0x80000000
339 #define EPHYAR_REG_MASK                 0x1f
340 #define EPHYAR_REG_SHIFT                16
341 #define EPHYAR_DATA_MASK                0xffff
342         DLLPR                   = 0xd0,
343 #define PFM_EN                          (1 << 6)
344         DBG_REG                 = 0xd1,
345 #define FIX_NAK_1                       (1 << 4)
346 #define FIX_NAK_2                       (1 << 3)
347         TWSI                    = 0xd2,
348         MCU                     = 0xd3,
349 #define NOW_IS_OOB                      (1 << 7)
350 #define EN_NDP                          (1 << 3)
351 #define EN_OOB_RESET                    (1 << 2)
352         EFUSEAR                 = 0xdc,
353 #define EFUSEAR_FLAG                    0x80000000
354 #define EFUSEAR_WRITE_CMD               0x80000000
355 #define EFUSEAR_READ_CMD                0x00000000
356 #define EFUSEAR_REG_MASK                0x03ff
357 #define EFUSEAR_REG_SHIFT               8
358 #define EFUSEAR_DATA_MASK               0xff
359 };
360
361 enum rtl8168_registers {
362         LED_FREQ                = 0x1a,
363         EEE_LED                 = 0x1b,
364         ERIDR                   = 0x70,
365         ERIAR                   = 0x74,
366 #define ERIAR_FLAG                      0x80000000
367 #define ERIAR_WRITE_CMD                 0x80000000
368 #define ERIAR_READ_CMD                  0x00000000
369 #define ERIAR_ADDR_BYTE_ALIGN           4
370 #define ERIAR_TYPE_SHIFT                16
371 #define ERIAR_EXGMAC                    (0x00 << ERIAR_TYPE_SHIFT)
372 #define ERIAR_MSIX                      (0x01 << ERIAR_TYPE_SHIFT)
373 #define ERIAR_ASF                       (0x02 << ERIAR_TYPE_SHIFT)
374 #define ERIAR_MASK_SHIFT                12
375 #define ERIAR_MASK_0001                 (0x1 << ERIAR_MASK_SHIFT)
376 #define ERIAR_MASK_0011                 (0x3 << ERIAR_MASK_SHIFT)
377 #define ERIAR_MASK_1111                 (0xf << ERIAR_MASK_SHIFT)
378         EPHY_RXER_NUM           = 0x7c,
379         OCPDR                   = 0xb0, /* OCP GPHY access */
380 #define OCPDR_WRITE_CMD                 0x80000000
381 #define OCPDR_READ_CMD                  0x00000000
382 #define OCPDR_REG_MASK                  0x7f
383 #define OCPDR_GPHY_REG_SHIFT            16
384 #define OCPDR_DATA_MASK                 0xffff
385         OCPAR                   = 0xb4,
386 #define OCPAR_FLAG                      0x80000000
387 #define OCPAR_GPHY_WRITE_CMD            0x8000f060
388 #define OCPAR_GPHY_READ_CMD             0x0000f060
389         RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
390         MISC                    = 0xf0, /* 8168e only. */
391 #define TXPLA_RST                       (1 << 29)
392 #define PWM_EN                          (1 << 22)
393 };
394
395 enum rtl_register_content {
396         /* InterruptStatusBits */
397         SYSErr          = 0x8000,
398         PCSTimeout      = 0x4000,
399         SWInt           = 0x0100,
400         TxDescUnavail   = 0x0080,
401         RxFIFOOver      = 0x0040,
402         LinkChg         = 0x0020,
403         RxOverflow      = 0x0010,
404         TxErr           = 0x0008,
405         TxOK            = 0x0004,
406         RxErr           = 0x0002,
407         RxOK            = 0x0001,
408
409         /* RxStatusDesc */
410         RxFOVF  = (1 << 23),
411         RxRWT   = (1 << 22),
412         RxRES   = (1 << 21),
413         RxRUNT  = (1 << 20),
414         RxCRC   = (1 << 19),
415
416         /* ChipCmdBits */
417         StopReq         = 0x80,
418         CmdReset        = 0x10,
419         CmdRxEnb        = 0x08,
420         CmdTxEnb        = 0x04,
421         RxBufEmpty      = 0x01,
422
423         /* TXPoll register p.5 */
424         HPQ             = 0x80,         /* Poll cmd on the high prio queue */
425         NPQ             = 0x40,         /* Poll cmd on the low prio queue */
426         FSWInt          = 0x01,         /* Forced software interrupt */
427
428         /* Cfg9346Bits */
429         Cfg9346_Lock    = 0x00,
430         Cfg9346_Unlock  = 0xc0,
431
432         /* rx_mode_bits */
433         AcceptErr       = 0x20,
434         AcceptRunt      = 0x10,
435         AcceptBroadcast = 0x08,
436         AcceptMulticast = 0x04,
437         AcceptMyPhys    = 0x02,
438         AcceptAllPhys   = 0x01,
439 #define RX_CONFIG_ACCEPT_MASK           0x3f
440
441         /* TxConfigBits */
442         TxInterFrameGapShift = 24,
443         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
444
445         /* Config1 register p.24 */
446         LEDS1           = (1 << 7),
447         LEDS0           = (1 << 6),
448         MSIEnable       = (1 << 5),     /* Enable Message Signaled Interrupt */
449         Speed_down      = (1 << 4),
450         MEMMAP          = (1 << 3),
451         IOMAP           = (1 << 2),
452         VPD             = (1 << 1),
453         PMEnable        = (1 << 0),     /* Power Management Enable */
454
455         /* Config2 register p. 25 */
456         PCI_Clock_66MHz = 0x01,
457         PCI_Clock_33MHz = 0x00,
458
459         /* Config3 register p.25 */
460         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
461         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
462         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
463
464         /* Config5 register p.27 */
465         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
466         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
467         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
468         Spi_en          = (1 << 3),
469         LanWake         = (1 << 1),     /* LanWake enable/disable */
470         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
471
472         /* TBICSR p.28 */
473         TBIReset        = 0x80000000,
474         TBILoopback     = 0x40000000,
475         TBINwEnable     = 0x20000000,
476         TBINwRestart    = 0x10000000,
477         TBILinkOk       = 0x02000000,
478         TBINwComplete   = 0x01000000,
479
480         /* CPlusCmd p.31 */
481         EnableBist      = (1 << 15),    // 8168 8101
482         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
483         Normal_mode     = (1 << 13),    // unused
484         Force_half_dup  = (1 << 12),    // 8168 8101
485         Force_rxflow_en = (1 << 11),    // 8168 8101
486         Force_txflow_en = (1 << 10),    // 8168 8101
487         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
488         ASF             = (1 << 8),     // 8168 8101
489         PktCntrDisable  = (1 << 7),     // 8168 8101
490         Mac_dbgo_sel    = 0x001c,       // 8168
491         RxVlan          = (1 << 6),
492         RxChkSum        = (1 << 5),
493         PCIDAC          = (1 << 4),
494         PCIMulRW        = (1 << 3),
495         INTT_0          = 0x0000,       // 8168
496         INTT_1          = 0x0001,       // 8168
497         INTT_2          = 0x0002,       // 8168
498         INTT_3          = 0x0003,       // 8168
499
500         /* rtl8169_PHYstatus */
501         TBI_Enable      = 0x80,
502         TxFlowCtrl      = 0x40,
503         RxFlowCtrl      = 0x20,
504         _1000bpsF       = 0x10,
505         _100bps         = 0x08,
506         _10bps          = 0x04,
507         LinkStatus      = 0x02,
508         FullDup         = 0x01,
509
510         /* _TBICSRBit */
511         TBILinkOK       = 0x02000000,
512
513         /* DumpCounterCommand */
514         CounterDump     = 0x8,
515 };
516
517 enum rtl_desc_bit {
518         /* First doubleword. */
519         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
520         RingEnd         = (1 << 30), /* End of descriptor ring */
521         FirstFrag       = (1 << 29), /* First segment of a packet */
522         LastFrag        = (1 << 28), /* Final segment of a packet */
523 };
524
525 /* Generic case. */
526 enum rtl_tx_desc_bit {
527         /* First doubleword. */
528         TD_LSO          = (1 << 27),            /* Large Send Offload */
529 #define TD_MSS_MAX                      0x07ffu /* MSS value */
530
531         /* Second doubleword. */
532         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
533 };
534
535 /* 8169, 8168b and 810x except 8102e. */
536 enum rtl_tx_desc_bit_0 {
537         /* First doubleword. */
538 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
539         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
540         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
541         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
542 };
543
544 /* 8102e, 8168c and beyond. */
545 enum rtl_tx_desc_bit_1 {
546         /* Second doubleword. */
547 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
548         TD1_IP_CS       = (1 << 29),            /* Calculate IP checksum */
549         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
550         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
551 };
552
553 static const struct rtl_tx_desc_info {
554         struct {
555                 u32 udp;
556                 u32 tcp;
557         } checksum;
558         u16 mss_shift;
559         u16 opts_offset;
560 } tx_desc_info [] = {
561         [RTL_TD_0] = {
562                 .checksum = {
563                         .udp    = TD0_IP_CS | TD0_UDP_CS,
564                         .tcp    = TD0_IP_CS | TD0_TCP_CS
565                 },
566                 .mss_shift      = TD0_MSS_SHIFT,
567                 .opts_offset    = 0
568         },
569         [RTL_TD_1] = {
570                 .checksum = {
571                         .udp    = TD1_IP_CS | TD1_UDP_CS,
572                         .tcp    = TD1_IP_CS | TD1_TCP_CS
573                 },
574                 .mss_shift      = TD1_MSS_SHIFT,
575                 .opts_offset    = 1
576         }
577 };
578
579 enum rtl_rx_desc_bit {
580         /* Rx private */
581         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
582         PID0            = (1 << 17), /* Protocol ID bit 2/2 */
583
584 #define RxProtoUDP      (PID1)
585 #define RxProtoTCP      (PID0)
586 #define RxProtoIP       (PID1 | PID0)
587 #define RxProtoMask     RxProtoIP
588
589         IPFail          = (1 << 16), /* IP checksum failed */
590         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
591         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
592         RxVlanTag       = (1 << 16), /* VLAN tag available */
593 };
594
595 #define RsvdMask        0x3fffc000
596
597 struct TxDesc {
598         __le32 opts1;
599         __le32 opts2;
600         __le64 addr;
601 };
602
603 struct RxDesc {
604         __le32 opts1;
605         __le32 opts2;
606         __le64 addr;
607 };
608
609 struct ring_info {
610         struct sk_buff  *skb;
611         u32             len;
612         u8              __pad[sizeof(void *) - sizeof(u32)];
613 };
614
615 enum features {
616         RTL_FEATURE_WOL         = (1 << 0),
617         RTL_FEATURE_MSI         = (1 << 1),
618         RTL_FEATURE_GMII        = (1 << 2),
619 };
620
621 struct rtl8169_counters {
622         __le64  tx_packets;
623         __le64  rx_packets;
624         __le64  tx_errors;
625         __le32  rx_errors;
626         __le16  rx_missed;
627         __le16  align_errors;
628         __le32  tx_one_collision;
629         __le32  tx_multi_collision;
630         __le64  rx_unicast;
631         __le64  rx_broadcast;
632         __le32  rx_multicast;
633         __le16  tx_aborted;
634         __le16  tx_underun;
635 };
636
637 struct rtl8169_private {
638         void __iomem *mmio_addr;        /* memory map physical address */
639         struct pci_dev *pci_dev;
640         struct net_device *dev;
641         struct napi_struct napi;
642         spinlock_t lock;
643         u32 msg_enable;
644         u16 txd_version;
645         u16 mac_version;
646         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
647         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
648         u32 dirty_rx;
649         u32 dirty_tx;
650         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
651         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
652         dma_addr_t TxPhyAddr;
653         dma_addr_t RxPhyAddr;
654         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
655         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
656         struct timer_list timer;
657         u16 cp_cmd;
658         u16 intr_event;
659         u16 napi_event;
660         u16 intr_mask;
661
662         struct mdio_ops {
663                 void (*write)(void __iomem *, int, int);
664                 int (*read)(void __iomem *, int);
665         } mdio_ops;
666
667         struct pll_power_ops {
668                 void (*down)(struct rtl8169_private *);
669                 void (*up)(struct rtl8169_private *);
670         } pll_power_ops;
671
672         int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
673         int (*get_settings)(struct net_device *, struct ethtool_cmd *);
674         void (*phy_reset_enable)(struct rtl8169_private *tp);
675         void (*hw_start)(struct net_device *);
676         unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
677         unsigned int (*link_ok)(void __iomem *);
678         int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
679         struct delayed_work task;
680         unsigned features;
681
682         struct mii_if_info mii;
683         struct rtl8169_counters counters;
684         u32 saved_wolopts;
685
686         struct rtl_fw {
687                 const struct firmware *fw;
688
689 #define RTL_VER_SIZE            32
690
691                 char version[RTL_VER_SIZE];
692
693                 struct rtl_fw_phy_action {
694                         __le32 *code;
695                         size_t size;
696                 } phy_action;
697         } *rtl_fw;
698 #define RTL_FIRMWARE_UNKNOWN    ERR_PTR(-EAGAIN)
699 };
700
701 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
702 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
703 module_param(use_dac, int, 0);
704 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
705 module_param_named(debug, debug.msg_enable, int, 0);
706 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
707 MODULE_LICENSE("GPL");
708 MODULE_VERSION(RTL8169_VERSION);
709 MODULE_FIRMWARE(FIRMWARE_8168D_1);
710 MODULE_FIRMWARE(FIRMWARE_8168D_2);
711 MODULE_FIRMWARE(FIRMWARE_8168E_1);
712 MODULE_FIRMWARE(FIRMWARE_8168E_2);
713 MODULE_FIRMWARE(FIRMWARE_8105E_1);
714
715 static int rtl8169_open(struct net_device *dev);
716 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
717                                       struct net_device *dev);
718 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
719 static int rtl8169_init_ring(struct net_device *dev);
720 static void rtl_hw_start(struct net_device *dev);
721 static int rtl8169_close(struct net_device *dev);
722 static void rtl_set_rx_mode(struct net_device *dev);
723 static void rtl8169_tx_timeout(struct net_device *dev);
724 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
725 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
726                                 void __iomem *, u32 budget);
727 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
728 static void rtl8169_down(struct net_device *dev);
729 static void rtl8169_rx_clear(struct rtl8169_private *tp);
730 static int rtl8169_poll(struct napi_struct *napi, int budget);
731
732 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
733 {
734         void __iomem *ioaddr = tp->mmio_addr;
735         int i;
736
737         RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
738         for (i = 0; i < 20; i++) {
739                 udelay(100);
740                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
741                         break;
742         }
743         return RTL_R32(OCPDR);
744 }
745
746 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
747 {
748         void __iomem *ioaddr = tp->mmio_addr;
749         int i;
750
751         RTL_W32(OCPDR, data);
752         RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
753         for (i = 0; i < 20; i++) {
754                 udelay(100);
755                 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
756                         break;
757         }
758 }
759
760 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
761 {
762         void __iomem *ioaddr = tp->mmio_addr;
763         int i;
764
765         RTL_W8(ERIDR, cmd);
766         RTL_W32(ERIAR, 0x800010e8);
767         msleep(2);
768         for (i = 0; i < 5; i++) {
769                 udelay(100);
770                 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
771                         break;
772         }
773
774         ocp_write(tp, 0x1, 0x30, 0x00000001);
775 }
776
777 #define OOB_CMD_RESET           0x00
778 #define OOB_CMD_DRIVER_START    0x05
779 #define OOB_CMD_DRIVER_STOP     0x06
780
781 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
782 {
783         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
784 }
785
786 static void rtl8168_driver_start(struct rtl8169_private *tp)
787 {
788         u16 reg;
789         int i;
790
791         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
792
793         reg = rtl8168_get_ocp_reg(tp);
794
795         for (i = 0; i < 10; i++) {
796                 msleep(10);
797                 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
798                         break;
799         }
800 }
801
802 static void rtl8168_driver_stop(struct rtl8169_private *tp)
803 {
804         u16 reg;
805         int i;
806
807         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
808
809         reg = rtl8168_get_ocp_reg(tp);
810
811         for (i = 0; i < 10; i++) {
812                 msleep(10);
813                 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
814                         break;
815         }
816 }
817
818 static int r8168dp_check_dash(struct rtl8169_private *tp)
819 {
820         u16 reg = rtl8168_get_ocp_reg(tp);
821
822         return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
823 }
824
825 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
826 {
827         int i;
828
829         RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
830
831         for (i = 20; i > 0; i--) {
832                 /*
833                  * Check if the RTL8169 has completed writing to the specified
834                  * MII register.
835                  */
836                 if (!(RTL_R32(PHYAR) & 0x80000000))
837                         break;
838                 udelay(25);
839         }
840         /*
841          * According to hardware specs a 20us delay is required after write
842          * complete indication, but before sending next command.
843          */
844         udelay(20);
845 }
846
847 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
848 {
849         int i, value = -1;
850
851         RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
852
853         for (i = 20; i > 0; i--) {
854                 /*
855                  * Check if the RTL8169 has completed retrieving data from
856                  * the specified MII register.
857                  */
858                 if (RTL_R32(PHYAR) & 0x80000000) {
859                         value = RTL_R32(PHYAR) & 0xffff;
860                         break;
861                 }
862                 udelay(25);
863         }
864         /*
865          * According to hardware specs a 20us delay is required after read
866          * complete indication, but before sending next command.
867          */
868         udelay(20);
869
870         return value;
871 }
872
873 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
874 {
875         int i;
876
877         RTL_W32(OCPDR, data |
878                 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
879         RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
880         RTL_W32(EPHY_RXER_NUM, 0);
881
882         for (i = 0; i < 100; i++) {
883                 mdelay(1);
884                 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
885                         break;
886         }
887 }
888
889 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
890 {
891         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
892                 (value & OCPDR_DATA_MASK));
893 }
894
895 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
896 {
897         int i;
898
899         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
900
901         mdelay(1);
902         RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
903         RTL_W32(EPHY_RXER_NUM, 0);
904
905         for (i = 0; i < 100; i++) {
906                 mdelay(1);
907                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
908                         break;
909         }
910
911         return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
912 }
913
914 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
915
916 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
917 {
918         RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
919 }
920
921 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
922 {
923         RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
924 }
925
926 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
927 {
928         r8168dp_2_mdio_start(ioaddr);
929
930         r8169_mdio_write(ioaddr, reg_addr, value);
931
932         r8168dp_2_mdio_stop(ioaddr);
933 }
934
935 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
936 {
937         int value;
938
939         r8168dp_2_mdio_start(ioaddr);
940
941         value = r8169_mdio_read(ioaddr, reg_addr);
942
943         r8168dp_2_mdio_stop(ioaddr);
944
945         return value;
946 }
947
948 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
949 {
950         tp->mdio_ops.write(tp->mmio_addr, location, val);
951 }
952
953 static int rtl_readphy(struct rtl8169_private *tp, int location)
954 {
955         return tp->mdio_ops.read(tp->mmio_addr, location);
956 }
957
958 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
959 {
960         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
961 }
962
963 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
964 {
965         int val;
966
967         val = rtl_readphy(tp, reg_addr);
968         rtl_writephy(tp, reg_addr, (val | p) & ~m);
969 }
970
971 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
972                            int val)
973 {
974         struct rtl8169_private *tp = netdev_priv(dev);
975
976         rtl_writephy(tp, location, val);
977 }
978
979 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
980 {
981         struct rtl8169_private *tp = netdev_priv(dev);
982
983         return rtl_readphy(tp, location);
984 }
985
986 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
987 {
988         unsigned int i;
989
990         RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
991                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
992
993         for (i = 0; i < 100; i++) {
994                 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
995                         break;
996                 udelay(10);
997         }
998 }
999
1000 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1001 {
1002         u16 value = 0xffff;
1003         unsigned int i;
1004
1005         RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1006
1007         for (i = 0; i < 100; i++) {
1008                 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1009                         value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1010                         break;
1011                 }
1012                 udelay(10);
1013         }
1014
1015         return value;
1016 }
1017
1018 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1019 {
1020         unsigned int i;
1021
1022         RTL_W32(CSIDR, value);
1023         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1024                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1025
1026         for (i = 0; i < 100; i++) {
1027                 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1028                         break;
1029                 udelay(10);
1030         }
1031 }
1032
1033 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1034 {
1035         u32 value = ~0x00;
1036         unsigned int i;
1037
1038         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1039                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1040
1041         for (i = 0; i < 100; i++) {
1042                 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1043                         value = RTL_R32(CSIDR);
1044                         break;
1045                 }
1046                 udelay(10);
1047         }
1048
1049         return value;
1050 }
1051
1052 static
1053 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1054 {
1055         unsigned int i;
1056
1057         BUG_ON((addr & 3) || (mask == 0));
1058         RTL_W32(ERIDR, val);
1059         RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1060
1061         for (i = 0; i < 100; i++) {
1062                 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1063                         break;
1064                 udelay(100);
1065         }
1066 }
1067
1068 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1069 {
1070         u32 value = ~0x00;
1071         unsigned int i;
1072
1073         RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1074
1075         for (i = 0; i < 100; i++) {
1076                 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1077                         value = RTL_R32(ERIDR);
1078                         break;
1079                 }
1080                 udelay(100);
1081         }
1082
1083         return value;
1084 }
1085
1086 static void
1087 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1088 {
1089         u32 val;
1090
1091         val = rtl_eri_read(ioaddr, addr, type);
1092         rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1093 }
1094
1095 struct exgmac_reg {
1096         u16 addr;
1097         u16 mask;
1098         u32 val;
1099 };
1100
1101 static void rtl_write_exgmac_batch(void __iomem *ioaddr,
1102                                    const struct exgmac_reg *r, int len)
1103 {
1104         while (len-- > 0) {
1105                 rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1106                 r++;
1107         }
1108 }
1109
1110 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1111 {
1112         u8 value = 0xff;
1113         unsigned int i;
1114
1115         RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1116
1117         for (i = 0; i < 300; i++) {
1118                 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1119                         value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1120                         break;
1121                 }
1122                 udelay(100);
1123         }
1124
1125         return value;
1126 }
1127
1128 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1129 {
1130         RTL_W16(IntrMask, 0x0000);
1131
1132         RTL_W16(IntrStatus, 0xffff);
1133 }
1134
1135 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1136 {
1137         void __iomem *ioaddr = tp->mmio_addr;
1138
1139         return RTL_R32(TBICSR) & TBIReset;
1140 }
1141
1142 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1143 {
1144         return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1145 }
1146
1147 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1148 {
1149         return RTL_R32(TBICSR) & TBILinkOk;
1150 }
1151
1152 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1153 {
1154         return RTL_R8(PHYstatus) & LinkStatus;
1155 }
1156
1157 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1158 {
1159         void __iomem *ioaddr = tp->mmio_addr;
1160
1161         RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1162 }
1163
1164 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1165 {
1166         unsigned int val;
1167
1168         val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1169         rtl_writephy(tp, MII_BMCR, val & 0xffff);
1170 }
1171
1172 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1173 {
1174         void __iomem *ioaddr = tp->mmio_addr;
1175         struct net_device *dev = tp->dev;
1176
1177         if (!netif_running(dev))
1178                 return;
1179
1180         if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1181                 if (RTL_R8(PHYstatus) & _1000bpsF) {
1182                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1183                                       0x00000011, ERIAR_EXGMAC);
1184                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1185                                       0x00000005, ERIAR_EXGMAC);
1186                 } else if (RTL_R8(PHYstatus) & _100bps) {
1187                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1188                                       0x0000001f, ERIAR_EXGMAC);
1189                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1190                                       0x00000005, ERIAR_EXGMAC);
1191                 } else {
1192                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1193                                       0x0000001f, ERIAR_EXGMAC);
1194                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1195                                       0x0000003f, ERIAR_EXGMAC);
1196                 }
1197                 /* Reset packet filter */
1198                 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1199                              ERIAR_EXGMAC);
1200                 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1201                              ERIAR_EXGMAC);
1202         }
1203 }
1204
1205 static void __rtl8169_check_link_status(struct net_device *dev,
1206                                         struct rtl8169_private *tp,
1207                                         void __iomem *ioaddr, bool pm)
1208 {
1209         unsigned long flags;
1210
1211         spin_lock_irqsave(&tp->lock, flags);
1212         if (tp->link_ok(ioaddr)) {
1213                 rtl_link_chg_patch(tp);
1214                 /* This is to cancel a scheduled suspend if there's one. */
1215                 if (pm)
1216                         pm_request_resume(&tp->pci_dev->dev);
1217                 netif_carrier_on(dev);
1218                 if (net_ratelimit())
1219                         netif_info(tp, ifup, dev, "link up\n");
1220         } else {
1221                 netif_carrier_off(dev);
1222                 netif_info(tp, ifdown, dev, "link down\n");
1223                 if (pm)
1224                         pm_schedule_suspend(&tp->pci_dev->dev, 100);
1225         }
1226         spin_unlock_irqrestore(&tp->lock, flags);
1227 }
1228
1229 static void rtl8169_check_link_status(struct net_device *dev,
1230                                       struct rtl8169_private *tp,
1231                                       void __iomem *ioaddr)
1232 {
1233         __rtl8169_check_link_status(dev, tp, ioaddr, false);
1234 }
1235
1236 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1237
1238 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1239 {
1240         void __iomem *ioaddr = tp->mmio_addr;
1241         u8 options;
1242         u32 wolopts = 0;
1243
1244         options = RTL_R8(Config1);
1245         if (!(options & PMEnable))
1246                 return 0;
1247
1248         options = RTL_R8(Config3);
1249         if (options & LinkUp)
1250                 wolopts |= WAKE_PHY;
1251         if (options & MagicPacket)
1252                 wolopts |= WAKE_MAGIC;
1253
1254         options = RTL_R8(Config5);
1255         if (options & UWF)
1256                 wolopts |= WAKE_UCAST;
1257         if (options & BWF)
1258                 wolopts |= WAKE_BCAST;
1259         if (options & MWF)
1260                 wolopts |= WAKE_MCAST;
1261
1262         return wolopts;
1263 }
1264
1265 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1266 {
1267         struct rtl8169_private *tp = netdev_priv(dev);
1268
1269         spin_lock_irq(&tp->lock);
1270
1271         wol->supported = WAKE_ANY;
1272         wol->wolopts = __rtl8169_get_wol(tp);
1273
1274         spin_unlock_irq(&tp->lock);
1275 }
1276
1277 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1278 {
1279         void __iomem *ioaddr = tp->mmio_addr;
1280         unsigned int i;
1281         static const struct {
1282                 u32 opt;
1283                 u16 reg;
1284                 u8  mask;
1285         } cfg[] = {
1286                 { WAKE_ANY,   Config1, PMEnable },
1287                 { WAKE_PHY,   Config3, LinkUp },
1288                 { WAKE_MAGIC, Config3, MagicPacket },
1289                 { WAKE_UCAST, Config5, UWF },
1290                 { WAKE_BCAST, Config5, BWF },
1291                 { WAKE_MCAST, Config5, MWF },
1292                 { WAKE_ANY,   Config5, LanWake }
1293         };
1294
1295         RTL_W8(Cfg9346, Cfg9346_Unlock);
1296
1297         for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1298                 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1299                 if (wolopts & cfg[i].opt)
1300                         options |= cfg[i].mask;
1301                 RTL_W8(cfg[i].reg, options);
1302         }
1303
1304         RTL_W8(Cfg9346, Cfg9346_Lock);
1305 }
1306
1307 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1308 {
1309         struct rtl8169_private *tp = netdev_priv(dev);
1310
1311         spin_lock_irq(&tp->lock);
1312
1313         if (wol->wolopts)
1314                 tp->features |= RTL_FEATURE_WOL;
1315         else
1316                 tp->features &= ~RTL_FEATURE_WOL;
1317         __rtl8169_set_wol(tp, wol->wolopts);
1318         spin_unlock_irq(&tp->lock);
1319
1320         device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1321
1322         return 0;
1323 }
1324
1325 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1326 {
1327         return rtl_chip_infos[tp->mac_version].fw_name;
1328 }
1329
1330 static void rtl8169_get_drvinfo(struct net_device *dev,
1331                                 struct ethtool_drvinfo *info)
1332 {
1333         struct rtl8169_private *tp = netdev_priv(dev);
1334         struct rtl_fw *rtl_fw = tp->rtl_fw;
1335
1336         strcpy(info->driver, MODULENAME);
1337         strcpy(info->version, RTL8169_VERSION);
1338         strcpy(info->bus_info, pci_name(tp->pci_dev));
1339         BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1340         strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1341                rtl_fw->version);
1342 }
1343
1344 static int rtl8169_get_regs_len(struct net_device *dev)
1345 {
1346         return R8169_REGS_SIZE;
1347 }
1348
1349 static int rtl8169_set_speed_tbi(struct net_device *dev,
1350                                  u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1351 {
1352         struct rtl8169_private *tp = netdev_priv(dev);
1353         void __iomem *ioaddr = tp->mmio_addr;
1354         int ret = 0;
1355         u32 reg;
1356
1357         reg = RTL_R32(TBICSR);
1358         if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1359             (duplex == DUPLEX_FULL)) {
1360                 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1361         } else if (autoneg == AUTONEG_ENABLE)
1362                 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1363         else {
1364                 netif_warn(tp, link, dev,
1365                            "incorrect speed setting refused in TBI mode\n");
1366                 ret = -EOPNOTSUPP;
1367         }
1368
1369         return ret;
1370 }
1371
1372 static int rtl8169_set_speed_xmii(struct net_device *dev,
1373                                   u8 autoneg, u16 speed, u8 duplex, u32 adv)
1374 {
1375         struct rtl8169_private *tp = netdev_priv(dev);
1376         int giga_ctrl, bmcr;
1377         int rc = -EINVAL;
1378
1379         rtl_writephy(tp, 0x1f, 0x0000);
1380
1381         if (autoneg == AUTONEG_ENABLE) {
1382                 int auto_nego;
1383
1384                 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1385                 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1386                                 ADVERTISE_100HALF | ADVERTISE_100FULL);
1387
1388                 if (adv & ADVERTISED_10baseT_Half)
1389                         auto_nego |= ADVERTISE_10HALF;
1390                 if (adv & ADVERTISED_10baseT_Full)
1391                         auto_nego |= ADVERTISE_10FULL;
1392                 if (adv & ADVERTISED_100baseT_Half)
1393                         auto_nego |= ADVERTISE_100HALF;
1394                 if (adv & ADVERTISED_100baseT_Full)
1395                         auto_nego |= ADVERTISE_100FULL;
1396
1397                 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1398
1399                 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1400                 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1401
1402                 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1403                 if (tp->mii.supports_gmii) {
1404                         if (adv & ADVERTISED_1000baseT_Half)
1405                                 giga_ctrl |= ADVERTISE_1000HALF;
1406                         if (adv & ADVERTISED_1000baseT_Full)
1407                                 giga_ctrl |= ADVERTISE_1000FULL;
1408                 } else if (adv & (ADVERTISED_1000baseT_Half |
1409                                   ADVERTISED_1000baseT_Full)) {
1410                         netif_info(tp, link, dev,
1411                                    "PHY does not support 1000Mbps\n");
1412                         goto out;
1413                 }
1414
1415                 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1416
1417                 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1418                 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1419         } else {
1420                 giga_ctrl = 0;
1421
1422                 if (speed == SPEED_10)
1423                         bmcr = 0;
1424                 else if (speed == SPEED_100)
1425                         bmcr = BMCR_SPEED100;
1426                 else
1427                         goto out;
1428
1429                 if (duplex == DUPLEX_FULL)
1430                         bmcr |= BMCR_FULLDPLX;
1431         }
1432
1433         rtl_writephy(tp, MII_BMCR, bmcr);
1434
1435         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1436             tp->mac_version == RTL_GIGA_MAC_VER_03) {
1437                 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1438                         rtl_writephy(tp, 0x17, 0x2138);
1439                         rtl_writephy(tp, 0x0e, 0x0260);
1440                 } else {
1441                         rtl_writephy(tp, 0x17, 0x2108);
1442                         rtl_writephy(tp, 0x0e, 0x0000);
1443                 }
1444         }
1445
1446         rc = 0;
1447 out:
1448         return rc;
1449 }
1450
1451 static int rtl8169_set_speed(struct net_device *dev,
1452                              u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1453 {
1454         struct rtl8169_private *tp = netdev_priv(dev);
1455         int ret;
1456
1457         ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1458         if (ret < 0)
1459                 goto out;
1460
1461         if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1462             (advertising & ADVERTISED_1000baseT_Full)) {
1463                 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1464         }
1465 out:
1466         return ret;
1467 }
1468
1469 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1470 {
1471         struct rtl8169_private *tp = netdev_priv(dev);
1472         unsigned long flags;
1473         int ret;
1474
1475         del_timer_sync(&tp->timer);
1476
1477         spin_lock_irqsave(&tp->lock, flags);
1478         ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1479                                 cmd->duplex, cmd->advertising);
1480         spin_unlock_irqrestore(&tp->lock, flags);
1481
1482         return ret;
1483 }
1484
1485 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1486 {
1487         if (dev->mtu > TD_MSS_MAX)
1488                 features &= ~NETIF_F_ALL_TSO;
1489
1490         return features;
1491 }
1492
1493 static int rtl8169_set_features(struct net_device *dev, u32 features)
1494 {
1495         struct rtl8169_private *tp = netdev_priv(dev);
1496         void __iomem *ioaddr = tp->mmio_addr;
1497         unsigned long flags;
1498
1499         spin_lock_irqsave(&tp->lock, flags);
1500
1501         if (features & NETIF_F_RXCSUM)
1502                 tp->cp_cmd |= RxChkSum;
1503         else
1504                 tp->cp_cmd &= ~RxChkSum;
1505
1506         if (dev->features & NETIF_F_HW_VLAN_RX)
1507                 tp->cp_cmd |= RxVlan;
1508         else
1509                 tp->cp_cmd &= ~RxVlan;
1510
1511         RTL_W16(CPlusCmd, tp->cp_cmd);
1512         RTL_R16(CPlusCmd);
1513
1514         spin_unlock_irqrestore(&tp->lock, flags);
1515
1516         return 0;
1517 }
1518
1519 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1520                                       struct sk_buff *skb)
1521 {
1522         return (vlan_tx_tag_present(skb)) ?
1523                 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1524 }
1525
1526 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1527 {
1528         u32 opts2 = le32_to_cpu(desc->opts2);
1529
1530         if (opts2 & RxVlanTag)
1531                 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1532
1533         desc->opts2 = 0;
1534 }
1535
1536 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1537 {
1538         struct rtl8169_private *tp = netdev_priv(dev);
1539         void __iomem *ioaddr = tp->mmio_addr;
1540         u32 status;
1541
1542         cmd->supported =
1543                 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1544         cmd->port = PORT_FIBRE;
1545         cmd->transceiver = XCVR_INTERNAL;
1546
1547         status = RTL_R32(TBICSR);
1548         cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
1549         cmd->autoneg = !!(status & TBINwEnable);
1550
1551         ethtool_cmd_speed_set(cmd, SPEED_1000);
1552         cmd->duplex = DUPLEX_FULL; /* Always set */
1553
1554         return 0;
1555 }
1556
1557 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1558 {
1559         struct rtl8169_private *tp = netdev_priv(dev);
1560
1561         return mii_ethtool_gset(&tp->mii, cmd);
1562 }
1563
1564 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1565 {
1566         struct rtl8169_private *tp = netdev_priv(dev);
1567         unsigned long flags;
1568         int rc;
1569
1570         spin_lock_irqsave(&tp->lock, flags);
1571
1572         rc = tp->get_settings(dev, cmd);
1573
1574         spin_unlock_irqrestore(&tp->lock, flags);
1575         return rc;
1576 }
1577
1578 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1579                              void *p)
1580 {
1581         struct rtl8169_private *tp = netdev_priv(dev);
1582         unsigned long flags;
1583
1584         if (regs->len > R8169_REGS_SIZE)
1585                 regs->len = R8169_REGS_SIZE;
1586
1587         spin_lock_irqsave(&tp->lock, flags);
1588         memcpy_fromio(p, tp->mmio_addr, regs->len);
1589         spin_unlock_irqrestore(&tp->lock, flags);
1590 }
1591
1592 static u32 rtl8169_get_msglevel(struct net_device *dev)
1593 {
1594         struct rtl8169_private *tp = netdev_priv(dev);
1595
1596         return tp->msg_enable;
1597 }
1598
1599 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1600 {
1601         struct rtl8169_private *tp = netdev_priv(dev);
1602
1603         tp->msg_enable = value;
1604 }
1605
1606 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1607         "tx_packets",
1608         "rx_packets",
1609         "tx_errors",
1610         "rx_errors",
1611         "rx_missed",
1612         "align_errors",
1613         "tx_single_collisions",
1614         "tx_multi_collisions",
1615         "unicast",
1616         "broadcast",
1617         "multicast",
1618         "tx_aborted",
1619         "tx_underrun",
1620 };
1621
1622 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1623 {
1624         switch (sset) {
1625         case ETH_SS_STATS:
1626                 return ARRAY_SIZE(rtl8169_gstrings);
1627         default:
1628                 return -EOPNOTSUPP;
1629         }
1630 }
1631
1632 static void rtl8169_update_counters(struct net_device *dev)
1633 {
1634         struct rtl8169_private *tp = netdev_priv(dev);
1635         void __iomem *ioaddr = tp->mmio_addr;
1636         struct device *d = &tp->pci_dev->dev;
1637         struct rtl8169_counters *counters;
1638         dma_addr_t paddr;
1639         u32 cmd;
1640         int wait = 1000;
1641
1642         /*
1643          * Some chips are unable to dump tally counters when the receiver
1644          * is disabled.
1645          */
1646         if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1647                 return;
1648
1649         counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1650         if (!counters)
1651                 return;
1652
1653         RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1654         cmd = (u64)paddr & DMA_BIT_MASK(32);
1655         RTL_W32(CounterAddrLow, cmd);
1656         RTL_W32(CounterAddrLow, cmd | CounterDump);
1657
1658         while (wait--) {
1659                 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1660                         memcpy(&tp->counters, counters, sizeof(*counters));
1661                         break;
1662                 }
1663                 udelay(10);
1664         }
1665
1666         RTL_W32(CounterAddrLow, 0);
1667         RTL_W32(CounterAddrHigh, 0);
1668
1669         dma_free_coherent(d, sizeof(*counters), counters, paddr);
1670 }
1671
1672 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1673                                       struct ethtool_stats *stats, u64 *data)
1674 {
1675         struct rtl8169_private *tp = netdev_priv(dev);
1676
1677         ASSERT_RTNL();
1678
1679         rtl8169_update_counters(dev);
1680
1681         data[0] = le64_to_cpu(tp->counters.tx_packets);
1682         data[1] = le64_to_cpu(tp->counters.rx_packets);
1683         data[2] = le64_to_cpu(tp->counters.tx_errors);
1684         data[3] = le32_to_cpu(tp->counters.rx_errors);
1685         data[4] = le16_to_cpu(tp->counters.rx_missed);
1686         data[5] = le16_to_cpu(tp->counters.align_errors);
1687         data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1688         data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1689         data[8] = le64_to_cpu(tp->counters.rx_unicast);
1690         data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1691         data[10] = le32_to_cpu(tp->counters.rx_multicast);
1692         data[11] = le16_to_cpu(tp->counters.tx_aborted);
1693         data[12] = le16_to_cpu(tp->counters.tx_underun);
1694 }
1695
1696 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1697 {
1698         switch(stringset) {
1699         case ETH_SS_STATS:
1700                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1701                 break;
1702         }
1703 }
1704
1705 static const struct ethtool_ops rtl8169_ethtool_ops = {
1706         .get_drvinfo            = rtl8169_get_drvinfo,
1707         .get_regs_len           = rtl8169_get_regs_len,
1708         .get_link               = ethtool_op_get_link,
1709         .get_settings           = rtl8169_get_settings,
1710         .set_settings           = rtl8169_set_settings,
1711         .get_msglevel           = rtl8169_get_msglevel,
1712         .set_msglevel           = rtl8169_set_msglevel,
1713         .get_regs               = rtl8169_get_regs,
1714         .get_wol                = rtl8169_get_wol,
1715         .set_wol                = rtl8169_set_wol,
1716         .get_strings            = rtl8169_get_strings,
1717         .get_sset_count         = rtl8169_get_sset_count,
1718         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
1719 };
1720
1721 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1722                                     struct net_device *dev, u8 default_version)
1723 {
1724         void __iomem *ioaddr = tp->mmio_addr;
1725         /*
1726          * The driver currently handles the 8168Bf and the 8168Be identically
1727          * but they can be identified more specifically through the test below
1728          * if needed:
1729          *
1730          * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1731          *
1732          * Same thing for the 8101Eb and the 8101Ec:
1733          *
1734          * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1735          */
1736         static const struct rtl_mac_info {
1737                 u32 mask;
1738                 u32 val;
1739                 int mac_version;
1740         } mac_info[] = {
1741                 /* 8168E family. */
1742                 { 0x7c800000, 0x2c800000,       RTL_GIGA_MAC_VER_34 },
1743                 { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
1744                 { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
1745                 { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
1746
1747                 /* 8168D family. */
1748                 { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
1749                 { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
1750                 { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
1751
1752                 /* 8168DP family. */
1753                 { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
1754                 { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
1755                 { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
1756
1757                 /* 8168C family. */
1758                 { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
1759                 { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
1760                 { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
1761                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
1762                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
1763                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
1764                 { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
1765                 { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
1766                 { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
1767
1768                 /* 8168B family. */
1769                 { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
1770                 { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
1771                 { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
1772                 { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
1773
1774                 /* 8101 family. */
1775                 { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
1776                 { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
1777                 { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
1778                 { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
1779                 { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
1780                 { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
1781                 { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
1782                 { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
1783                 { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
1784                 { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
1785                 { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
1786                 { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
1787                 { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
1788                 { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
1789                 { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
1790                 { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
1791                 /* FIXME: where did these entries come from ? -- FR */
1792                 { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
1793                 { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
1794
1795                 /* 8110 family. */
1796                 { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
1797                 { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
1798                 { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
1799                 { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
1800                 { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
1801                 { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
1802
1803                 /* Catch-all */
1804                 { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
1805         };
1806         const struct rtl_mac_info *p = mac_info;
1807         u32 reg;
1808
1809         reg = RTL_R32(TxConfig);
1810         while ((reg & p->mask) != p->val)
1811                 p++;
1812         tp->mac_version = p->mac_version;
1813
1814         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1815                 netif_notice(tp, probe, dev,
1816                              "unknown MAC, using family default\n");
1817                 tp->mac_version = default_version;
1818         }
1819 }
1820
1821 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1822 {
1823         dprintk("mac_version = 0x%02x\n", tp->mac_version);
1824 }
1825
1826 struct phy_reg {
1827         u16 reg;
1828         u16 val;
1829 };
1830
1831 static void rtl_writephy_batch(struct rtl8169_private *tp,
1832                                const struct phy_reg *regs, int len)
1833 {
1834         while (len-- > 0) {
1835                 rtl_writephy(tp, regs->reg, regs->val);
1836                 regs++;
1837         }
1838 }
1839
1840 #define PHY_READ                0x00000000
1841 #define PHY_DATA_OR             0x10000000
1842 #define PHY_DATA_AND            0x20000000
1843 #define PHY_BJMPN               0x30000000
1844 #define PHY_READ_EFUSE          0x40000000
1845 #define PHY_READ_MAC_BYTE       0x50000000
1846 #define PHY_WRITE_MAC_BYTE      0x60000000
1847 #define PHY_CLEAR_READCOUNT     0x70000000
1848 #define PHY_WRITE               0x80000000
1849 #define PHY_READCOUNT_EQ_SKIP   0x90000000
1850 #define PHY_COMP_EQ_SKIPN       0xa0000000
1851 #define PHY_COMP_NEQ_SKIPN      0xb0000000
1852 #define PHY_WRITE_PREVIOUS      0xc0000000
1853 #define PHY_SKIPN               0xd0000000
1854 #define PHY_DELAY_MS            0xe0000000
1855 #define PHY_WRITE_ERI_WORD      0xf0000000
1856
1857 struct fw_info {
1858         u32     magic;
1859         char    version[RTL_VER_SIZE];
1860         __le32  fw_start;
1861         __le32  fw_len;
1862         u8      chksum;
1863 } __packed;
1864
1865 #define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1866
1867 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1868 {
1869         const struct firmware *fw = rtl_fw->fw;
1870         struct fw_info *fw_info = (struct fw_info *)fw->data;
1871         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1872         char *version = rtl_fw->version;
1873         bool rc = false;
1874
1875         if (fw->size < FW_OPCODE_SIZE)
1876                 goto out;
1877
1878         if (!fw_info->magic) {
1879                 size_t i, size, start;
1880                 u8 checksum = 0;
1881
1882                 if (fw->size < sizeof(*fw_info))
1883                         goto out;
1884
1885                 for (i = 0; i < fw->size; i++)
1886                         checksum += fw->data[i];
1887                 if (checksum != 0)
1888                         goto out;
1889
1890                 start = le32_to_cpu(fw_info->fw_start);
1891                 if (start > fw->size)
1892                         goto out;
1893
1894                 size = le32_to_cpu(fw_info->fw_len);
1895                 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1896                         goto out;
1897
1898                 memcpy(version, fw_info->version, RTL_VER_SIZE);
1899
1900                 pa->code = (__le32 *)(fw->data + start);
1901                 pa->size = size;
1902         } else {
1903                 if (fw->size % FW_OPCODE_SIZE)
1904                         goto out;
1905
1906                 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1907
1908                 pa->code = (__le32 *)fw->data;
1909                 pa->size = fw->size / FW_OPCODE_SIZE;
1910         }
1911         version[RTL_VER_SIZE - 1] = 0;
1912
1913         rc = true;
1914 out:
1915         return rc;
1916 }
1917
1918 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
1919                            struct rtl_fw_phy_action *pa)
1920 {
1921         bool rc = false;
1922         size_t index;
1923
1924         for (index = 0; index < pa->size; index++) {
1925                 u32 action = le32_to_cpu(pa->code[index]);
1926                 u32 regno = (action & 0x0fff0000) >> 16;
1927
1928                 switch(action & 0xf0000000) {
1929                 case PHY_READ:
1930                 case PHY_DATA_OR:
1931                 case PHY_DATA_AND:
1932                 case PHY_READ_EFUSE:
1933                 case PHY_CLEAR_READCOUNT:
1934                 case PHY_WRITE:
1935                 case PHY_WRITE_PREVIOUS:
1936                 case PHY_DELAY_MS:
1937                         break;
1938
1939                 case PHY_BJMPN:
1940                         if (regno > index) {
1941                                 netif_err(tp, ifup, tp->dev,
1942                                           "Out of range of firmware\n");
1943                                 goto out;
1944                         }
1945                         break;
1946                 case PHY_READCOUNT_EQ_SKIP:
1947                         if (index + 2 >= pa->size) {
1948                                 netif_err(tp, ifup, tp->dev,
1949                                           "Out of range of firmware\n");
1950                                 goto out;
1951                         }
1952                         break;
1953                 case PHY_COMP_EQ_SKIPN:
1954                 case PHY_COMP_NEQ_SKIPN:
1955                 case PHY_SKIPN:
1956                         if (index + 1 + regno >= pa->size) {
1957                                 netif_err(tp, ifup, tp->dev,
1958                                           "Out of range of firmware\n");
1959                                 goto out;
1960                         }
1961                         break;
1962
1963                 case PHY_READ_MAC_BYTE:
1964                 case PHY_WRITE_MAC_BYTE:
1965                 case PHY_WRITE_ERI_WORD:
1966                 default:
1967                         netif_err(tp, ifup, tp->dev,
1968                                   "Invalid action 0x%08x\n", action);
1969                         goto out;
1970                 }
1971         }
1972         rc = true;
1973 out:
1974         return rc;
1975 }
1976
1977 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1978 {
1979         struct net_device *dev = tp->dev;
1980         int rc = -EINVAL;
1981
1982         if (!rtl_fw_format_ok(tp, rtl_fw)) {
1983                 netif_err(tp, ifup, dev, "invalid firwmare\n");
1984                 goto out;
1985         }
1986
1987         if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
1988                 rc = 0;
1989 out:
1990         return rc;
1991 }
1992
1993 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1994 {
1995         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1996         u32 predata, count;
1997         size_t index;
1998
1999         predata = count = 0;
2000
2001         for (index = 0; index < pa->size; ) {
2002                 u32 action = le32_to_cpu(pa->code[index]);
2003                 u32 data = action & 0x0000ffff;
2004                 u32 regno = (action & 0x0fff0000) >> 16;
2005
2006                 if (!action)
2007                         break;
2008
2009                 switch(action & 0xf0000000) {
2010                 case PHY_READ:
2011                         predata = rtl_readphy(tp, regno);
2012                         count++;
2013                         index++;
2014                         break;
2015                 case PHY_DATA_OR:
2016                         predata |= data;
2017                         index++;
2018                         break;
2019                 case PHY_DATA_AND:
2020                         predata &= data;
2021                         index++;
2022                         break;
2023                 case PHY_BJMPN:
2024                         index -= regno;
2025                         break;
2026                 case PHY_READ_EFUSE:
2027                         predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2028                         index++;
2029                         break;
2030                 case PHY_CLEAR_READCOUNT:
2031                         count = 0;
2032                         index++;
2033                         break;
2034                 case PHY_WRITE:
2035                         rtl_writephy(tp, regno, data);
2036                         index++;
2037                         break;
2038                 case PHY_READCOUNT_EQ_SKIP:
2039                         index += (count == data) ? 2 : 1;
2040                         break;
2041                 case PHY_COMP_EQ_SKIPN:
2042                         if (predata == data)
2043                                 index += regno;
2044                         index++;
2045                         break;
2046                 case PHY_COMP_NEQ_SKIPN:
2047                         if (predata != data)
2048                                 index += regno;
2049                         index++;
2050                         break;
2051                 case PHY_WRITE_PREVIOUS:
2052                         rtl_writephy(tp, regno, predata);
2053                         index++;
2054                         break;
2055                 case PHY_SKIPN:
2056                         index += regno + 1;
2057                         break;
2058                 case PHY_DELAY_MS:
2059                         mdelay(data);
2060                         index++;
2061                         break;
2062
2063                 case PHY_READ_MAC_BYTE:
2064                 case PHY_WRITE_MAC_BYTE:
2065                 case PHY_WRITE_ERI_WORD:
2066                 default:
2067                         BUG();
2068                 }
2069         }
2070 }
2071
2072 static void rtl_release_firmware(struct rtl8169_private *tp)
2073 {
2074         if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2075                 release_firmware(tp->rtl_fw->fw);
2076                 kfree(tp->rtl_fw);
2077         }
2078         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2079 }
2080
2081 static void rtl_apply_firmware(struct rtl8169_private *tp)
2082 {
2083         struct rtl_fw *rtl_fw = tp->rtl_fw;
2084
2085         /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2086         if (!IS_ERR_OR_NULL(rtl_fw))
2087                 rtl_phy_write_fw(tp, rtl_fw);
2088 }
2089
2090 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2091 {
2092         if (rtl_readphy(tp, reg) != val)
2093                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2094         else
2095                 rtl_apply_firmware(tp);
2096 }
2097
2098 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2099 {
2100         static const struct phy_reg phy_reg_init[] = {
2101                 { 0x1f, 0x0001 },
2102                 { 0x06, 0x006e },
2103                 { 0x08, 0x0708 },
2104                 { 0x15, 0x4000 },
2105                 { 0x18, 0x65c7 },
2106
2107                 { 0x1f, 0x0001 },
2108                 { 0x03, 0x00a1 },
2109                 { 0x02, 0x0008 },
2110                 { 0x01, 0x0120 },
2111                 { 0x00, 0x1000 },
2112                 { 0x04, 0x0800 },
2113                 { 0x04, 0x0000 },
2114
2115                 { 0x03, 0xff41 },
2116                 { 0x02, 0xdf60 },
2117                 { 0x01, 0x0140 },
2118                 { 0x00, 0x0077 },
2119                 { 0x04, 0x7800 },
2120                 { 0x04, 0x7000 },
2121
2122                 { 0x03, 0x802f },
2123                 { 0x02, 0x4f02 },
2124                 { 0x01, 0x0409 },
2125                 { 0x00, 0xf0f9 },
2126                 { 0x04, 0x9800 },
2127                 { 0x04, 0x9000 },
2128
2129                 { 0x03, 0xdf01 },
2130                 { 0x02, 0xdf20 },
2131                 { 0x01, 0xff95 },
2132                 { 0x00, 0xba00 },
2133                 { 0x04, 0xa800 },
2134                 { 0x04, 0xa000 },
2135
2136                 { 0x03, 0xff41 },
2137                 { 0x02, 0xdf20 },
2138                 { 0x01, 0x0140 },
2139                 { 0x00, 0x00bb },
2140                 { 0x04, 0xb800 },
2141                 { 0x04, 0xb000 },
2142
2143                 { 0x03, 0xdf41 },
2144                 { 0x02, 0xdc60 },
2145                 { 0x01, 0x6340 },
2146                 { 0x00, 0x007d },
2147                 { 0x04, 0xd800 },
2148                 { 0x04, 0xd000 },
2149
2150                 { 0x03, 0xdf01 },
2151                 { 0x02, 0xdf20 },
2152                 { 0x01, 0x100a },
2153                 { 0x00, 0xa0ff },
2154                 { 0x04, 0xf800 },
2155                 { 0x04, 0xf000 },
2156
2157                 { 0x1f, 0x0000 },
2158                 { 0x0b, 0x0000 },
2159                 { 0x00, 0x9200 }
2160         };
2161
2162         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2163 }
2164
2165 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2166 {
2167         static const struct phy_reg phy_reg_init[] = {
2168                 { 0x1f, 0x0002 },
2169                 { 0x01, 0x90d0 },
2170                 { 0x1f, 0x0000 }
2171         };
2172
2173         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2174 }
2175
2176 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2177 {
2178         struct pci_dev *pdev = tp->pci_dev;
2179
2180         if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2181             (pdev->subsystem_device != 0xe000))
2182                 return;
2183
2184         rtl_writephy(tp, 0x1f, 0x0001);
2185         rtl_writephy(tp, 0x10, 0xf01b);
2186         rtl_writephy(tp, 0x1f, 0x0000);
2187 }
2188
2189 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2190 {
2191         static const struct phy_reg phy_reg_init[] = {
2192                 { 0x1f, 0x0001 },
2193                 { 0x04, 0x0000 },
2194                 { 0x03, 0x00a1 },
2195                 { 0x02, 0x0008 },
2196                 { 0x01, 0x0120 },
2197                 { 0x00, 0x1000 },
2198                 { 0x04, 0x0800 },
2199                 { 0x04, 0x9000 },
2200                 { 0x03, 0x802f },
2201                 { 0x02, 0x4f02 },
2202                 { 0x01, 0x0409 },
2203                 { 0x00, 0xf099 },
2204                 { 0x04, 0x9800 },
2205                 { 0x04, 0xa000 },
2206                 { 0x03, 0xdf01 },
2207                 { 0x02, 0xdf20 },
2208                 { 0x01, 0xff95 },
2209                 { 0x00, 0xba00 },
2210                 { 0x04, 0xa800 },
2211                 { 0x04, 0xf000 },
2212                 { 0x03, 0xdf01 },
2213                 { 0x02, 0xdf20 },
2214                 { 0x01, 0x101a },
2215                 { 0x00, 0xa0ff },
2216                 { 0x04, 0xf800 },
2217                 { 0x04, 0x0000 },
2218                 { 0x1f, 0x0000 },
2219
2220                 { 0x1f, 0x0001 },
2221                 { 0x10, 0xf41b },
2222                 { 0x14, 0xfb54 },
2223                 { 0x18, 0xf5c7 },
2224                 { 0x1f, 0x0000 },
2225
2226                 { 0x1f, 0x0001 },
2227                 { 0x17, 0x0cc0 },
2228                 { 0x1f, 0x0000 }
2229         };
2230
2231         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2232
2233         rtl8169scd_hw_phy_config_quirk(tp);
2234 }
2235
2236 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2237 {
2238         static const struct phy_reg phy_reg_init[] = {
2239                 { 0x1f, 0x0001 },
2240                 { 0x04, 0x0000 },
2241                 { 0x03, 0x00a1 },
2242                 { 0x02, 0x0008 },
2243                 { 0x01, 0x0120 },
2244                 { 0x00, 0x1000 },
2245                 { 0x04, 0x0800 },
2246                 { 0x04, 0x9000 },
2247                 { 0x03, 0x802f },
2248                 { 0x02, 0x4f02 },
2249                 { 0x01, 0x0409 },
2250                 { 0x00, 0xf099 },
2251                 { 0x04, 0x9800 },
2252                 { 0x04, 0xa000 },
2253                 { 0x03, 0xdf01 },
2254                 { 0x02, 0xdf20 },
2255                 { 0x01, 0xff95 },
2256                 { 0x00, 0xba00 },
2257                 { 0x04, 0xa800 },
2258                 { 0x04, 0xf000 },
2259                 { 0x03, 0xdf01 },
2260                 { 0x02, 0xdf20 },
2261                 { 0x01, 0x101a },
2262                 { 0x00, 0xa0ff },
2263                 { 0x04, 0xf800 },
2264                 { 0x04, 0x0000 },
2265                 { 0x1f, 0x0000 },
2266
2267                 { 0x1f, 0x0001 },
2268                 { 0x0b, 0x8480 },
2269                 { 0x1f, 0x0000 },
2270
2271                 { 0x1f, 0x0001 },
2272                 { 0x18, 0x67c7 },
2273                 { 0x04, 0x2000 },
2274                 { 0x03, 0x002f },
2275                 { 0x02, 0x4360 },
2276                 { 0x01, 0x0109 },
2277                 { 0x00, 0x3022 },
2278                 { 0x04, 0x2800 },
2279                 { 0x1f, 0x0000 },
2280
2281                 { 0x1f, 0x0001 },
2282                 { 0x17, 0x0cc0 },
2283                 { 0x1f, 0x0000 }
2284         };
2285
2286         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2287 }
2288
2289 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2290 {
2291         static const struct phy_reg phy_reg_init[] = {
2292                 { 0x10, 0xf41b },
2293                 { 0x1f, 0x0000 }
2294         };
2295
2296         rtl_writephy(tp, 0x1f, 0x0001);
2297         rtl_patchphy(tp, 0x16, 1 << 0);
2298
2299         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2300 }
2301
2302 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2303 {
2304         static const struct phy_reg phy_reg_init[] = {
2305                 { 0x1f, 0x0001 },
2306                 { 0x10, 0xf41b },
2307                 { 0x1f, 0x0000 }
2308         };
2309
2310         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2311 }
2312
2313 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2314 {
2315         static const struct phy_reg phy_reg_init[] = {
2316                 { 0x1f, 0x0000 },
2317                 { 0x1d, 0x0f00 },
2318                 { 0x1f, 0x0002 },
2319                 { 0x0c, 0x1ec8 },
2320                 { 0x1f, 0x0000 }
2321         };
2322
2323         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2324 }
2325
2326 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2327 {
2328         static const struct phy_reg phy_reg_init[] = {
2329                 { 0x1f, 0x0001 },
2330                 { 0x1d, 0x3d98 },
2331                 { 0x1f, 0x0000 }
2332         };
2333
2334         rtl_writephy(tp, 0x1f, 0x0000);
2335         rtl_patchphy(tp, 0x14, 1 << 5);
2336         rtl_patchphy(tp, 0x0d, 1 << 5);
2337
2338         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2339 }
2340
2341 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2342 {
2343         static const struct phy_reg phy_reg_init[] = {
2344                 { 0x1f, 0x0001 },
2345                 { 0x12, 0x2300 },
2346                 { 0x1f, 0x0002 },
2347                 { 0x00, 0x88d4 },
2348                 { 0x01, 0x82b1 },
2349                 { 0x03, 0x7002 },
2350                 { 0x08, 0x9e30 },
2351                 { 0x09, 0x01f0 },
2352                 { 0x0a, 0x5500 },
2353                 { 0x0c, 0x00c8 },
2354                 { 0x1f, 0x0003 },
2355                 { 0x12, 0xc096 },
2356                 { 0x16, 0x000a },
2357                 { 0x1f, 0x0000 },
2358                 { 0x1f, 0x0000 },
2359                 { 0x09, 0x2000 },
2360                 { 0x09, 0x0000 }
2361         };
2362
2363         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2364
2365         rtl_patchphy(tp, 0x14, 1 << 5);
2366         rtl_patchphy(tp, 0x0d, 1 << 5);
2367         rtl_writephy(tp, 0x1f, 0x0000);
2368 }
2369
2370 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2371 {
2372         static const struct phy_reg phy_reg_init[] = {
2373                 { 0x1f, 0x0001 },
2374                 { 0x12, 0x2300 },
2375                 { 0x03, 0x802f },
2376                 { 0x02, 0x4f02 },
2377                 { 0x01, 0x0409 },
2378                 { 0x00, 0xf099 },
2379                 { 0x04, 0x9800 },
2380                 { 0x04, 0x9000 },
2381                 { 0x1d, 0x3d98 },
2382                 { 0x1f, 0x0002 },
2383                 { 0x0c, 0x7eb8 },
2384                 { 0x06, 0x0761 },
2385                 { 0x1f, 0x0003 },
2386                 { 0x16, 0x0f0a },
2387                 { 0x1f, 0x0000 }
2388         };
2389
2390         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2391
2392         rtl_patchphy(tp, 0x16, 1 << 0);
2393         rtl_patchphy(tp, 0x14, 1 << 5);
2394         rtl_patchphy(tp, 0x0d, 1 << 5);
2395         rtl_writephy(tp, 0x1f, 0x0000);
2396 }
2397
2398 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2399 {
2400         static const struct phy_reg phy_reg_init[] = {
2401                 { 0x1f, 0x0001 },
2402                 { 0x12, 0x2300 },
2403                 { 0x1d, 0x3d98 },
2404                 { 0x1f, 0x0002 },
2405                 { 0x0c, 0x7eb8 },
2406                 { 0x06, 0x5461 },
2407                 { 0x1f, 0x0003 },
2408                 { 0x16, 0x0f0a },
2409                 { 0x1f, 0x0000 }
2410         };
2411
2412         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2413
2414         rtl_patchphy(tp, 0x16, 1 << 0);
2415         rtl_patchphy(tp, 0x14, 1 << 5);
2416         rtl_patchphy(tp, 0x0d, 1 << 5);
2417         rtl_writephy(tp, 0x1f, 0x0000);
2418 }
2419
2420 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2421 {
2422         rtl8168c_3_hw_phy_config(tp);
2423 }
2424
2425 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2426 {
2427         static const struct phy_reg phy_reg_init_0[] = {
2428                 /* Channel Estimation */
2429                 { 0x1f, 0x0001 },
2430                 { 0x06, 0x4064 },
2431                 { 0x07, 0x2863 },
2432                 { 0x08, 0x059c },
2433                 { 0x09, 0x26b4 },
2434                 { 0x0a, 0x6a19 },
2435                 { 0x0b, 0xdcc8 },
2436                 { 0x10, 0xf06d },
2437                 { 0x14, 0x7f68 },
2438                 { 0x18, 0x7fd9 },
2439                 { 0x1c, 0xf0ff },
2440                 { 0x1d, 0x3d9c },
2441                 { 0x1f, 0x0003 },
2442                 { 0x12, 0xf49f },
2443                 { 0x13, 0x070b },
2444                 { 0x1a, 0x05ad },
2445                 { 0x14, 0x94c0 },
2446
2447                 /*
2448                  * Tx Error Issue
2449                  * Enhance line driver power
2450                  */
2451                 { 0x1f, 0x0002 },
2452                 { 0x06, 0x5561 },
2453                 { 0x1f, 0x0005 },
2454                 { 0x05, 0x8332 },
2455                 { 0x06, 0x5561 },
2456
2457                 /*
2458                  * Can not link to 1Gbps with bad cable
2459                  * Decrease SNR threshold form 21.07dB to 19.04dB
2460                  */
2461                 { 0x1f, 0x0001 },
2462                 { 0x17, 0x0cc0 },
2463
2464                 { 0x1f, 0x0000 },
2465                 { 0x0d, 0xf880 }
2466         };
2467         void __iomem *ioaddr = tp->mmio_addr;
2468
2469         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2470
2471         /*
2472          * Rx Error Issue
2473          * Fine Tune Switching regulator parameter
2474          */
2475         rtl_writephy(tp, 0x1f, 0x0002);
2476         rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2477         rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2478
2479         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2480                 static const struct phy_reg phy_reg_init[] = {
2481                         { 0x1f, 0x0002 },
2482                         { 0x05, 0x669a },
2483                         { 0x1f, 0x0005 },
2484                         { 0x05, 0x8330 },
2485                         { 0x06, 0x669a },
2486                         { 0x1f, 0x0002 }
2487                 };
2488                 int val;
2489
2490                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2491
2492                 val = rtl_readphy(tp, 0x0d);
2493
2494                 if ((val & 0x00ff) != 0x006c) {
2495                         static const u32 set[] = {
2496                                 0x0065, 0x0066, 0x0067, 0x0068,
2497                                 0x0069, 0x006a, 0x006b, 0x006c
2498                         };
2499                         int i;
2500
2501                         rtl_writephy(tp, 0x1f, 0x0002);
2502
2503                         val &= 0xff00;
2504                         for (i = 0; i < ARRAY_SIZE(set); i++)
2505                                 rtl_writephy(tp, 0x0d, val | set[i]);
2506                 }
2507         } else {
2508                 static const struct phy_reg phy_reg_init[] = {
2509                         { 0x1f, 0x0002 },
2510                         { 0x05, 0x6662 },
2511                         { 0x1f, 0x0005 },
2512                         { 0x05, 0x8330 },
2513                         { 0x06, 0x6662 }
2514                 };
2515
2516                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2517         }
2518
2519         /* RSET couple improve */
2520         rtl_writephy(tp, 0x1f, 0x0002);
2521         rtl_patchphy(tp, 0x0d, 0x0300);
2522         rtl_patchphy(tp, 0x0f, 0x0010);
2523
2524         /* Fine tune PLL performance */
2525         rtl_writephy(tp, 0x1f, 0x0002);
2526         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2527         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2528
2529         rtl_writephy(tp, 0x1f, 0x0005);
2530         rtl_writephy(tp, 0x05, 0x001b);
2531
2532         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2533
2534         rtl_writephy(tp, 0x1f, 0x0000);
2535 }
2536
2537 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2538 {
2539         static const struct phy_reg phy_reg_init_0[] = {
2540                 /* Channel Estimation */
2541                 { 0x1f, 0x0001 },
2542                 { 0x06, 0x4064 },
2543                 { 0x07, 0x2863 },
2544                 { 0x08, 0x059c },
2545                 { 0x09, 0x26b4 },
2546                 { 0x0a, 0x6a19 },
2547                 { 0x0b, 0xdcc8 },
2548                 { 0x10, 0xf06d },
2549                 { 0x14, 0x7f68 },
2550                 { 0x18, 0x7fd9 },
2551                 { 0x1c, 0xf0ff },
2552                 { 0x1d, 0x3d9c },
2553                 { 0x1f, 0x0003 },
2554                 { 0x12, 0xf49f },
2555                 { 0x13, 0x070b },
2556                 { 0x1a, 0x05ad },
2557                 { 0x14, 0x94c0 },
2558
2559                 /*
2560                  * Tx Error Issue
2561                  * Enhance line driver power
2562                  */
2563                 { 0x1f, 0x0002 },
2564                 { 0x06, 0x5561 },
2565                 { 0x1f, 0x0005 },
2566                 { 0x05, 0x8332 },
2567                 { 0x06, 0x5561 },
2568
2569                 /*
2570                  * Can not link to 1Gbps with bad cable
2571                  * Decrease SNR threshold form 21.07dB to 19.04dB
2572                  */
2573                 { 0x1f, 0x0001 },
2574                 { 0x17, 0x0cc0 },
2575
2576                 { 0x1f, 0x0000 },
2577                 { 0x0d, 0xf880 }
2578         };
2579         void __iomem *ioaddr = tp->mmio_addr;
2580
2581         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2582
2583         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2584                 static const struct phy_reg phy_reg_init[] = {
2585                         { 0x1f, 0x0002 },
2586                         { 0x05, 0x669a },
2587                         { 0x1f, 0x0005 },
2588                         { 0x05, 0x8330 },
2589                         { 0x06, 0x669a },
2590
2591                         { 0x1f, 0x0002 }
2592                 };
2593                 int val;
2594
2595                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2596
2597                 val = rtl_readphy(tp, 0x0d);
2598                 if ((val & 0x00ff) != 0x006c) {
2599                         static const u32 set[] = {
2600                                 0x0065, 0x0066, 0x0067, 0x0068,
2601                                 0x0069, 0x006a, 0x006b, 0x006c
2602                         };
2603                         int i;
2604
2605                         rtl_writephy(tp, 0x1f, 0x0002);
2606
2607                         val &= 0xff00;
2608                         for (i = 0; i < ARRAY_SIZE(set); i++)
2609                                 rtl_writephy(tp, 0x0d, val | set[i]);
2610                 }
2611         } else {
2612                 static const struct phy_reg phy_reg_init[] = {
2613                         { 0x1f, 0x0002 },
2614                         { 0x05, 0x2642 },
2615                         { 0x1f, 0x0005 },
2616                         { 0x05, 0x8330 },
2617                         { 0x06, 0x2642 }
2618                 };
2619
2620                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2621         }
2622
2623         /* Fine tune PLL performance */
2624         rtl_writephy(tp, 0x1f, 0x0002);
2625         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2626         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2627
2628         /* Switching regulator Slew rate */
2629         rtl_writephy(tp, 0x1f, 0x0002);
2630         rtl_patchphy(tp, 0x0f, 0x0017);
2631
2632         rtl_writephy(tp, 0x1f, 0x0005);
2633         rtl_writephy(tp, 0x05, 0x001b);
2634
2635         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2636
2637         rtl_writephy(tp, 0x1f, 0x0000);
2638 }
2639
2640 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2641 {
2642         static const struct phy_reg phy_reg_init[] = {
2643                 { 0x1f, 0x0002 },
2644                 { 0x10, 0x0008 },
2645                 { 0x0d, 0x006c },
2646
2647                 { 0x1f, 0x0000 },
2648                 { 0x0d, 0xf880 },
2649
2650                 { 0x1f, 0x0001 },
2651                 { 0x17, 0x0cc0 },
2652
2653                 { 0x1f, 0x0001 },
2654                 { 0x0b, 0xa4d8 },
2655                 { 0x09, 0x281c },
2656                 { 0x07, 0x2883 },
2657                 { 0x0a, 0x6b35 },
2658                 { 0x1d, 0x3da4 },
2659                 { 0x1c, 0xeffd },
2660                 { 0x14, 0x7f52 },
2661                 { 0x18, 0x7fc6 },
2662                 { 0x08, 0x0601 },
2663                 { 0x06, 0x4063 },
2664                 { 0x10, 0xf074 },
2665                 { 0x1f, 0x0003 },
2666                 { 0x13, 0x0789 },
2667                 { 0x12, 0xf4bd },
2668                 { 0x1a, 0x04fd },
2669                 { 0x14, 0x84b0 },
2670                 { 0x1f, 0x0000 },
2671                 { 0x00, 0x9200 },
2672
2673                 { 0x1f, 0x0005 },
2674                 { 0x01, 0x0340 },
2675                 { 0x1f, 0x0001 },
2676                 { 0x04, 0x4000 },
2677                 { 0x03, 0x1d21 },
2678                 { 0x02, 0x0c32 },
2679                 { 0x01, 0x0200 },
2680                 { 0x00, 0x5554 },
2681                 { 0x04, 0x4800 },
2682                 { 0x04, 0x4000 },
2683                 { 0x04, 0xf000 },
2684                 { 0x03, 0xdf01 },
2685                 { 0x02, 0xdf20 },
2686                 { 0x01, 0x101a },
2687                 { 0x00, 0xa0ff },
2688                 { 0x04, 0xf800 },
2689                 { 0x04, 0xf000 },
2690                 { 0x1f, 0x0000 },
2691
2692                 { 0x1f, 0x0007 },
2693                 { 0x1e, 0x0023 },
2694                 { 0x16, 0x0000 },
2695                 { 0x1f, 0x0000 }
2696         };
2697
2698         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2699 }
2700
2701 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2702 {
2703         static const struct phy_reg phy_reg_init[] = {
2704                 { 0x1f, 0x0001 },
2705                 { 0x17, 0x0cc0 },
2706
2707                 { 0x1f, 0x0007 },
2708                 { 0x1e, 0x002d },
2709                 { 0x18, 0x0040 },
2710                 { 0x1f, 0x0000 }
2711         };
2712
2713         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2714         rtl_patchphy(tp, 0x0d, 1 << 5);
2715 }
2716
2717 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2718 {
2719         static const struct phy_reg phy_reg_init[] = {
2720                 /* Enable Delay cap */
2721                 { 0x1f, 0x0005 },
2722                 { 0x05, 0x8b80 },
2723                 { 0x06, 0xc896 },
2724                 { 0x1f, 0x0000 },
2725
2726                 /* Channel estimation fine tune */
2727                 { 0x1f, 0x0001 },
2728                 { 0x0b, 0x6c20 },
2729                 { 0x07, 0x2872 },
2730                 { 0x1c, 0xefff },
2731                 { 0x1f, 0x0003 },
2732                 { 0x14, 0x6420 },
2733                 { 0x1f, 0x0000 },
2734
2735                 /* Update PFM & 10M TX idle timer */
2736                 { 0x1f, 0x0007 },
2737                 { 0x1e, 0x002f },
2738                 { 0x15, 0x1919 },
2739                 { 0x1f, 0x0000 },
2740
2741                 { 0x1f, 0x0007 },
2742                 { 0x1e, 0x00ac },
2743                 { 0x18, 0x0006 },
2744                 { 0x1f, 0x0000 }
2745         };
2746
2747         rtl_apply_firmware(tp);
2748
2749         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2750
2751         /* DCO enable for 10M IDLE Power */
2752         rtl_writephy(tp, 0x1f, 0x0007);
2753         rtl_writephy(tp, 0x1e, 0x0023);
2754         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2755         rtl_writephy(tp, 0x1f, 0x0000);
2756
2757         /* For impedance matching */
2758         rtl_writephy(tp, 0x1f, 0x0002);
2759         rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2760         rtl_writephy(tp, 0x1f, 0x0000);
2761
2762         /* PHY auto speed down */
2763         rtl_writephy(tp, 0x1f, 0x0007);
2764         rtl_writephy(tp, 0x1e, 0x002d);
2765         rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2766         rtl_writephy(tp, 0x1f, 0x0000);
2767         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2768
2769         rtl_writephy(tp, 0x1f, 0x0005);
2770         rtl_writephy(tp, 0x05, 0x8b86);
2771         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2772         rtl_writephy(tp, 0x1f, 0x0000);
2773
2774         rtl_writephy(tp, 0x1f, 0x0005);
2775         rtl_writephy(tp, 0x05, 0x8b85);
2776         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2777         rtl_writephy(tp, 0x1f, 0x0007);
2778         rtl_writephy(tp, 0x1e, 0x0020);
2779         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2780         rtl_writephy(tp, 0x1f, 0x0006);
2781         rtl_writephy(tp, 0x00, 0x5a00);
2782         rtl_writephy(tp, 0x1f, 0x0000);
2783         rtl_writephy(tp, 0x0d, 0x0007);
2784         rtl_writephy(tp, 0x0e, 0x003c);
2785         rtl_writephy(tp, 0x0d, 0x4007);
2786         rtl_writephy(tp, 0x0e, 0x0000);
2787         rtl_writephy(tp, 0x0d, 0x0000);
2788 }
2789
2790 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2791 {
2792         static const struct phy_reg phy_reg_init[] = {
2793                 /* Enable Delay cap */
2794                 { 0x1f, 0x0004 },
2795                 { 0x1f, 0x0007 },
2796                 { 0x1e, 0x00ac },
2797                 { 0x18, 0x0006 },
2798                 { 0x1f, 0x0002 },
2799                 { 0x1f, 0x0000 },
2800                 { 0x1f, 0x0000 },
2801
2802                 /* Channel estimation fine tune */
2803                 { 0x1f, 0x0003 },
2804                 { 0x09, 0xa20f },
2805                 { 0x1f, 0x0000 },
2806                 { 0x1f, 0x0000 },
2807
2808                 /* Green Setting */
2809                 { 0x1f, 0x0005 },
2810                 { 0x05, 0x8b5b },
2811                 { 0x06, 0x9222 },
2812                 { 0x05, 0x8b6d },
2813                 { 0x06, 0x8000 },
2814                 { 0x05, 0x8b76 },
2815                 { 0x06, 0x8000 },
2816                 { 0x1f, 0x0000 }
2817         };
2818
2819         rtl_apply_firmware(tp);
2820
2821         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2822
2823         /* For 4-corner performance improve */
2824         rtl_writephy(tp, 0x1f, 0x0005);
2825         rtl_writephy(tp, 0x05, 0x8b80);
2826         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2827         rtl_writephy(tp, 0x1f, 0x0000);
2828
2829         /* PHY auto speed down */
2830         rtl_writephy(tp, 0x1f, 0x0004);
2831         rtl_writephy(tp, 0x1f, 0x0007);
2832         rtl_writephy(tp, 0x1e, 0x002d);
2833         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2834         rtl_writephy(tp, 0x1f, 0x0002);
2835         rtl_writephy(tp, 0x1f, 0x0000);
2836         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2837
2838         /* improve 10M EEE waveform */
2839         rtl_writephy(tp, 0x1f, 0x0005);
2840         rtl_writephy(tp, 0x05, 0x8b86);
2841         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2842         rtl_writephy(tp, 0x1f, 0x0000);
2843
2844         /* Improve 2-pair detection performance */
2845         rtl_writephy(tp, 0x1f, 0x0005);
2846         rtl_writephy(tp, 0x05, 0x8b85);
2847         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2848         rtl_writephy(tp, 0x1f, 0x0000);
2849
2850         /* EEE setting */
2851         rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2852                      ERIAR_EXGMAC);
2853         rtl_writephy(tp, 0x1f, 0x0005);
2854         rtl_writephy(tp, 0x05, 0x8b85);
2855         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2856         rtl_writephy(tp, 0x1f, 0x0004);
2857         rtl_writephy(tp, 0x1f, 0x0007);
2858         rtl_writephy(tp, 0x1e, 0x0020);
2859         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
2860         rtl_writephy(tp, 0x1f, 0x0002);
2861         rtl_writephy(tp, 0x1f, 0x0000);
2862         rtl_writephy(tp, 0x0d, 0x0007);
2863         rtl_writephy(tp, 0x0e, 0x003c);
2864         rtl_writephy(tp, 0x0d, 0x4007);
2865         rtl_writephy(tp, 0x0e, 0x0000);
2866         rtl_writephy(tp, 0x0d, 0x0000);
2867
2868         /* Green feature */
2869         rtl_writephy(tp, 0x1f, 0x0003);
2870         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2871         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2872         rtl_writephy(tp, 0x1f, 0x0000);
2873 }
2874
2875 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2876 {
2877         static const struct phy_reg phy_reg_init[] = {
2878                 { 0x1f, 0x0003 },
2879                 { 0x08, 0x441d },
2880                 { 0x01, 0x9100 },
2881                 { 0x1f, 0x0000 }
2882         };
2883
2884         rtl_writephy(tp, 0x1f, 0x0000);
2885         rtl_patchphy(tp, 0x11, 1 << 12);
2886         rtl_patchphy(tp, 0x19, 1 << 13);
2887         rtl_patchphy(tp, 0x10, 1 << 15);
2888
2889         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2890 }
2891
2892 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2893 {
2894         static const struct phy_reg phy_reg_init[] = {
2895                 { 0x1f, 0x0005 },
2896                 { 0x1a, 0x0000 },
2897                 { 0x1f, 0x0000 },
2898
2899                 { 0x1f, 0x0004 },
2900                 { 0x1c, 0x0000 },
2901                 { 0x1f, 0x0000 },
2902
2903                 { 0x1f, 0x0001 },
2904                 { 0x15, 0x7701 },
2905                 { 0x1f, 0x0000 }
2906         };
2907
2908         /* Disable ALDPS before ram code */
2909         rtl_writephy(tp, 0x1f, 0x0000);
2910         rtl_writephy(tp, 0x18, 0x0310);
2911         msleep(100);
2912
2913         rtl_apply_firmware(tp);
2914
2915         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2916 }
2917
2918 static void rtl_hw_phy_config(struct net_device *dev)
2919 {
2920         struct rtl8169_private *tp = netdev_priv(dev);
2921
2922         rtl8169_print_mac_version(tp);
2923
2924         switch (tp->mac_version) {
2925         case RTL_GIGA_MAC_VER_01:
2926                 break;
2927         case RTL_GIGA_MAC_VER_02:
2928         case RTL_GIGA_MAC_VER_03:
2929                 rtl8169s_hw_phy_config(tp);
2930                 break;
2931         case RTL_GIGA_MAC_VER_04:
2932                 rtl8169sb_hw_phy_config(tp);
2933                 break;
2934         case RTL_GIGA_MAC_VER_05:
2935                 rtl8169scd_hw_phy_config(tp);
2936                 break;
2937         case RTL_GIGA_MAC_VER_06:
2938                 rtl8169sce_hw_phy_config(tp);
2939                 break;
2940         case RTL_GIGA_MAC_VER_07:
2941         case RTL_GIGA_MAC_VER_08:
2942         case RTL_GIGA_MAC_VER_09:
2943                 rtl8102e_hw_phy_config(tp);
2944                 break;
2945         case RTL_GIGA_MAC_VER_11:
2946                 rtl8168bb_hw_phy_config(tp);
2947                 break;
2948         case RTL_GIGA_MAC_VER_12:
2949                 rtl8168bef_hw_phy_config(tp);
2950                 break;
2951         case RTL_GIGA_MAC_VER_17:
2952                 rtl8168bef_hw_phy_config(tp);
2953                 break;
2954         case RTL_GIGA_MAC_VER_18:
2955                 rtl8168cp_1_hw_phy_config(tp);
2956                 break;
2957         case RTL_GIGA_MAC_VER_19:
2958                 rtl8168c_1_hw_phy_config(tp);
2959                 break;
2960         case RTL_GIGA_MAC_VER_20:
2961                 rtl8168c_2_hw_phy_config(tp);
2962                 break;
2963         case RTL_GIGA_MAC_VER_21:
2964                 rtl8168c_3_hw_phy_config(tp);
2965                 break;
2966         case RTL_GIGA_MAC_VER_22:
2967                 rtl8168c_4_hw_phy_config(tp);
2968                 break;
2969         case RTL_GIGA_MAC_VER_23:
2970         case RTL_GIGA_MAC_VER_24:
2971                 rtl8168cp_2_hw_phy_config(tp);
2972                 break;
2973         case RTL_GIGA_MAC_VER_25:
2974                 rtl8168d_1_hw_phy_config(tp);
2975                 break;
2976         case RTL_GIGA_MAC_VER_26:
2977                 rtl8168d_2_hw_phy_config(tp);
2978                 break;
2979         case RTL_GIGA_MAC_VER_27:
2980                 rtl8168d_3_hw_phy_config(tp);
2981                 break;
2982         case RTL_GIGA_MAC_VER_28:
2983                 rtl8168d_4_hw_phy_config(tp);
2984                 break;
2985         case RTL_GIGA_MAC_VER_29:
2986         case RTL_GIGA_MAC_VER_30:
2987                 rtl8105e_hw_phy_config(tp);
2988                 break;
2989         case RTL_GIGA_MAC_VER_31:
2990                 /* None. */
2991                 break;
2992         case RTL_GIGA_MAC_VER_32:
2993         case RTL_GIGA_MAC_VER_33:
2994                 rtl8168e_1_hw_phy_config(tp);
2995                 break;
2996         case RTL_GIGA_MAC_VER_34:
2997                 rtl8168e_2_hw_phy_config(tp);
2998                 break;
2999
3000         default:
3001                 break;
3002         }
3003 }
3004
3005 static void rtl8169_phy_timer(unsigned long __opaque)
3006 {
3007         struct net_device *dev = (struct net_device *)__opaque;
3008         struct rtl8169_private *tp = netdev_priv(dev);
3009         struct timer_list *timer = &tp->timer;
3010         void __iomem *ioaddr = tp->mmio_addr;
3011         unsigned long timeout = RTL8169_PHY_TIMEOUT;
3012
3013         assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3014
3015         spin_lock_irq(&tp->lock);
3016
3017         if (tp->phy_reset_pending(tp)) {
3018                 /*
3019                  * A busy loop could burn quite a few cycles on nowadays CPU.
3020                  * Let's delay the execution of the timer for a few ticks.
3021                  */
3022                 timeout = HZ/10;
3023                 goto out_mod_timer;
3024         }
3025
3026         if (tp->link_ok(ioaddr))
3027                 goto out_unlock;
3028
3029         netif_warn(tp, link, dev, "PHY reset until link up\n");
3030
3031         tp->phy_reset_enable(tp);
3032
3033 out_mod_timer:
3034         mod_timer(timer, jiffies + timeout);
3035 out_unlock:
3036         spin_unlock_irq(&tp->lock);
3037 }
3038
3039 #ifdef CONFIG_NET_POLL_CONTROLLER
3040 /*
3041  * Polling 'interrupt' - used by things like netconsole to send skbs
3042  * without having to re-enable interrupts. It's not called while
3043  * the interrupt routine is executing.
3044  */
3045 static void rtl8169_netpoll(struct net_device *dev)
3046 {
3047         struct rtl8169_private *tp = netdev_priv(dev);
3048         struct pci_dev *pdev = tp->pci_dev;
3049
3050         disable_irq(pdev->irq);
3051         rtl8169_interrupt(pdev->irq, dev);
3052         enable_irq(pdev->irq);
3053 }
3054 #endif
3055
3056 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3057                                   void __iomem *ioaddr)
3058 {
3059         iounmap(ioaddr);
3060         pci_release_regions(pdev);
3061         pci_clear_mwi(pdev);
3062         pci_disable_device(pdev);
3063         free_netdev(dev);
3064 }
3065
3066 static void rtl8169_phy_reset(struct net_device *dev,
3067                               struct rtl8169_private *tp)
3068 {
3069         unsigned int i;
3070
3071         tp->phy_reset_enable(tp);
3072         for (i = 0; i < 100; i++) {
3073                 if (!tp->phy_reset_pending(tp))
3074                         return;
3075                 msleep(1);
3076         }
3077         netif_err(tp, link, dev, "PHY reset failed\n");
3078 }
3079
3080 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3081 {
3082         void __iomem *ioaddr = tp->mmio_addr;
3083
3084         rtl_hw_phy_config(dev);
3085
3086         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3087                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3088                 RTL_W8(0x82, 0x01);
3089         }
3090
3091         pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3092
3093         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3094                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3095
3096         if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3097                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3098                 RTL_W8(0x82, 0x01);
3099                 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3100                 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3101         }
3102
3103         rtl8169_phy_reset(dev, tp);
3104
3105         rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3106                           ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3107                           ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3108                           (tp->mii.supports_gmii ?
3109                            ADVERTISED_1000baseT_Half |
3110                            ADVERTISED_1000baseT_Full : 0));
3111
3112         if (RTL_R8(PHYstatus) & TBI_Enable)
3113                 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3114 }
3115
3116 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3117 {
3118         void __iomem *ioaddr = tp->mmio_addr;
3119         u32 high;
3120         u32 low;
3121
3122         low  = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3123         high = addr[4] | (addr[5] << 8);
3124
3125         spin_lock_irq(&tp->lock);
3126
3127         RTL_W8(Cfg9346, Cfg9346_Unlock);
3128
3129         RTL_W32(MAC4, high);
3130         RTL_R32(MAC4);
3131
3132         RTL_W32(MAC0, low);
3133         RTL_R32(MAC0);
3134
3135         if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3136                 const struct exgmac_reg e[] = {
3137                         { .addr = 0xe0, ERIAR_MASK_1111, .val = low },
3138                         { .addr = 0xe4, ERIAR_MASK_1111, .val = high },
3139                         { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
3140                         { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
3141                                                                 low  >> 16 },
3142                 };
3143
3144                 rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
3145         }
3146
3147         RTL_W8(Cfg9346, Cfg9346_Lock);
3148
3149         spin_unlock_irq(&tp->lock);
3150 }
3151
3152 static int rtl_set_mac_address(struct net_device *dev, void *p)
3153 {
3154         struct rtl8169_private *tp = netdev_priv(dev);
3155         struct sockaddr *addr = p;
3156
3157         if (!is_valid_ether_addr(addr->sa_data))
3158                 return -EADDRNOTAVAIL;
3159
3160         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3161
3162         rtl_rar_set(tp, dev->dev_addr);
3163
3164         return 0;
3165 }
3166
3167 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3168 {
3169         struct rtl8169_private *tp = netdev_priv(dev);
3170         struct mii_ioctl_data *data = if_mii(ifr);
3171
3172         return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3173 }
3174
3175 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3176                           struct mii_ioctl_data *data, int cmd)
3177 {
3178         switch (cmd) {
3179         case SIOCGMIIPHY:
3180                 data->phy_id = 32; /* Internal PHY */
3181                 return 0;
3182
3183         case SIOCGMIIREG:
3184                 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3185                 return 0;
3186
3187         case SIOCSMIIREG:
3188                 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3189                 return 0;
3190         }
3191         return -EOPNOTSUPP;
3192 }
3193
3194 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3195 {
3196         return -EOPNOTSUPP;
3197 }
3198
3199 static const struct rtl_cfg_info {
3200         void (*hw_start)(struct net_device *);
3201         unsigned int region;
3202         unsigned int align;
3203         u16 intr_event;
3204         u16 napi_event;
3205         unsigned features;
3206         u8 default_ver;
3207 } rtl_cfg_infos [] = {
3208         [RTL_CFG_0] = {
3209                 .hw_start       = rtl_hw_start_8169,
3210                 .region         = 1,
3211                 .align          = 0,
3212                 .intr_event     = SYSErr | LinkChg | RxOverflow |
3213                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3214                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3215                 .features       = RTL_FEATURE_GMII,
3216                 .default_ver    = RTL_GIGA_MAC_VER_01,
3217         },
3218         [RTL_CFG_1] = {
3219                 .hw_start       = rtl_hw_start_8168,
3220                 .region         = 2,
3221                 .align          = 8,
3222                 .intr_event     = SYSErr | LinkChg | RxOverflow |
3223                                   TxErr | TxOK | RxOK | RxErr,
3224                 .napi_event     = TxErr | TxOK | RxOK | RxOverflow,
3225                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3226                 .default_ver    = RTL_GIGA_MAC_VER_11,
3227         },
3228         [RTL_CFG_2] = {
3229                 .hw_start       = rtl_hw_start_8101,
3230                 .region         = 2,
3231                 .align          = 8,
3232                 .intr_event     = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3233                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3234                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3235                 .features       = RTL_FEATURE_MSI,
3236                 .default_ver    = RTL_GIGA_MAC_VER_13,
3237         }
3238 };
3239
3240 /* Cfg9346_Unlock assumed. */
3241 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
3242                             const struct rtl_cfg_info *cfg)
3243 {
3244         unsigned msi = 0;
3245         u8 cfg2;
3246
3247         cfg2 = RTL_R8(Config2) & ~MSIEnable;
3248         if (cfg->features & RTL_FEATURE_MSI) {
3249                 if (pci_enable_msi(pdev)) {
3250                         dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
3251                 } else {
3252                         cfg2 |= MSIEnable;
3253                         msi = RTL_FEATURE_MSI;
3254                 }
3255         }
3256         RTL_W8(Config2, cfg2);
3257         return msi;
3258 }
3259
3260 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3261 {
3262         if (tp->features & RTL_FEATURE_MSI) {
3263                 pci_disable_msi(pdev);
3264                 tp->features &= ~RTL_FEATURE_MSI;
3265         }
3266 }
3267
3268 static const struct net_device_ops rtl8169_netdev_ops = {
3269         .ndo_open               = rtl8169_open,
3270         .ndo_stop               = rtl8169_close,
3271         .ndo_get_stats          = rtl8169_get_stats,
3272         .ndo_start_xmit         = rtl8169_start_xmit,
3273         .ndo_tx_timeout         = rtl8169_tx_timeout,
3274         .ndo_validate_addr      = eth_validate_addr,
3275         .ndo_change_mtu         = rtl8169_change_mtu,
3276         .ndo_fix_features       = rtl8169_fix_features,
3277         .ndo_set_features       = rtl8169_set_features,
3278         .ndo_set_mac_address    = rtl_set_mac_address,
3279         .ndo_do_ioctl           = rtl8169_ioctl,
3280         .ndo_set_multicast_list = rtl_set_rx_mode,
3281 #ifdef CONFIG_NET_POLL_CONTROLLER
3282         .ndo_poll_controller    = rtl8169_netpoll,
3283 #endif
3284
3285 };
3286
3287 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3288 {
3289         struct mdio_ops *ops = &tp->mdio_ops;
3290
3291         switch (tp->mac_version) {
3292         case RTL_GIGA_MAC_VER_27:
3293                 ops->write      = r8168dp_1_mdio_write;
3294                 ops->read       = r8168dp_1_mdio_read;
3295                 break;
3296         case RTL_GIGA_MAC_VER_28:
3297         case RTL_GIGA_MAC_VER_31:
3298                 ops->write      = r8168dp_2_mdio_write;
3299                 ops->read       = r8168dp_2_mdio_read;
3300                 break;
3301         default:
3302                 ops->write      = r8169_mdio_write;
3303                 ops->read       = r8169_mdio_read;
3304                 break;
3305         }
3306 }
3307
3308 static void r810x_phy_power_down(struct rtl8169_private *tp)
3309 {
3310         rtl_writephy(tp, 0x1f, 0x0000);
3311         rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3312 }
3313
3314 static void r810x_phy_power_up(struct rtl8169_private *tp)
3315 {
3316         rtl_writephy(tp, 0x1f, 0x0000);
3317         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3318 }
3319
3320 static void r810x_pll_power_down(struct rtl8169_private *tp)
3321 {
3322         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3323                 rtl_writephy(tp, 0x1f, 0x0000);
3324                 rtl_writephy(tp, MII_BMCR, 0x0000);
3325                 return;
3326         }
3327
3328         r810x_phy_power_down(tp);
3329 }
3330
3331 static void r810x_pll_power_up(struct rtl8169_private *tp)
3332 {
3333         r810x_phy_power_up(tp);
3334 }
3335
3336 static void r8168_phy_power_up(struct rtl8169_private *tp)
3337 {
3338         rtl_writephy(tp, 0x1f, 0x0000);
3339         switch (tp->mac_version) {
3340         case RTL_GIGA_MAC_VER_11:
3341         case RTL_GIGA_MAC_VER_12:
3342         case RTL_GIGA_MAC_VER_17:
3343         case RTL_GIGA_MAC_VER_18:
3344         case RTL_GIGA_MAC_VER_19:
3345         case RTL_GIGA_MAC_VER_20:
3346         case RTL_GIGA_MAC_VER_21:
3347         case RTL_GIGA_MAC_VER_22:
3348         case RTL_GIGA_MAC_VER_23:
3349         case RTL_GIGA_MAC_VER_24:
3350         case RTL_GIGA_MAC_VER_25:
3351         case RTL_GIGA_MAC_VER_26:
3352         case RTL_GIGA_MAC_VER_27:
3353         case RTL_GIGA_MAC_VER_28:
3354         case RTL_GIGA_MAC_VER_31:
3355                 rtl_writephy(tp, 0x0e, 0x0000);
3356                 break;
3357         default:
3358                 break;
3359         }
3360         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3361 }
3362
3363 static void r8168_phy_power_down(struct rtl8169_private *tp)
3364 {
3365         rtl_writephy(tp, 0x1f, 0x0000);
3366         switch (tp->mac_version) {
3367         case RTL_GIGA_MAC_VER_32:
3368         case RTL_GIGA_MAC_VER_33:
3369                 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3370                 break;
3371
3372         case RTL_GIGA_MAC_VER_11:
3373         case RTL_GIGA_MAC_VER_12:
3374         case RTL_GIGA_MAC_VER_17:
3375         case RTL_GIGA_MAC_VER_18:
3376         case RTL_GIGA_MAC_VER_19:
3377         case RTL_GIGA_MAC_VER_20:
3378         case RTL_GIGA_MAC_VER_21:
3379         case RTL_GIGA_MAC_VER_22:
3380         case RTL_GIGA_MAC_VER_23:
3381         case RTL_GIGA_MAC_VER_24:
3382         case RTL_GIGA_MAC_VER_25:
3383         case RTL_GIGA_MAC_VER_26:
3384         case RTL_GIGA_MAC_VER_27:
3385         case RTL_GIGA_MAC_VER_28:
3386         case RTL_GIGA_MAC_VER_31:
3387                 rtl_writephy(tp, 0x0e, 0x0200);
3388         default:
3389                 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3390                 break;
3391         }
3392 }
3393
3394 static void r8168_pll_power_down(struct rtl8169_private *tp)
3395 {
3396         void __iomem *ioaddr = tp->mmio_addr;
3397
3398         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3399              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3400              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3401             r8168dp_check_dash(tp)) {
3402                 return;
3403         }
3404
3405         if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3406              tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3407             (RTL_R16(CPlusCmd) & ASF)) {
3408                 return;
3409         }
3410
3411         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3412             tp->mac_version == RTL_GIGA_MAC_VER_33)
3413                 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3414
3415         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3416                 rtl_writephy(tp, 0x1f, 0x0000);
3417                 rtl_writephy(tp, MII_BMCR, 0x0000);
3418
3419                 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3420                     tp->mac_version == RTL_GIGA_MAC_VER_33)
3421                         RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3422                                 AcceptMulticast | AcceptMyPhys);
3423                 return;
3424         }
3425
3426         r8168_phy_power_down(tp);
3427
3428         switch (tp->mac_version) {
3429         case RTL_GIGA_MAC_VER_25:
3430         case RTL_GIGA_MAC_VER_26:
3431         case RTL_GIGA_MAC_VER_27:
3432         case RTL_GIGA_MAC_VER_28:
3433         case RTL_GIGA_MAC_VER_31:
3434         case RTL_GIGA_MAC_VER_32:
3435         case RTL_GIGA_MAC_VER_33:
3436                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3437                 break;
3438         }
3439 }
3440
3441 static void r8168_pll_power_up(struct rtl8169_private *tp)
3442 {
3443         void __iomem *ioaddr = tp->mmio_addr;
3444
3445         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3446              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3447              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3448             r8168dp_check_dash(tp)) {
3449                 return;
3450         }
3451
3452         switch (tp->mac_version) {
3453         case RTL_GIGA_MAC_VER_25:
3454         case RTL_GIGA_MAC_VER_26:
3455         case RTL_GIGA_MAC_VER_27:
3456         case RTL_GIGA_MAC_VER_28:
3457         case RTL_GIGA_MAC_VER_31:
3458         case RTL_GIGA_MAC_VER_32:
3459         case RTL_GIGA_MAC_VER_33:
3460                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3461                 break;
3462         }
3463
3464         r8168_phy_power_up(tp);
3465 }
3466
3467 static void rtl_pll_power_op(struct rtl8169_private *tp,
3468                              void (*op)(struct rtl8169_private *))
3469 {
3470         if (op)
3471                 op(tp);
3472 }
3473
3474 static void rtl_pll_power_down(struct rtl8169_private *tp)
3475 {
3476         rtl_pll_power_op(tp, tp->pll_power_ops.down);
3477 }
3478
3479 static void rtl_pll_power_up(struct rtl8169_private *tp)
3480 {
3481         rtl_pll_power_op(tp, tp->pll_power_ops.up);
3482 }
3483
3484 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3485 {
3486         struct pll_power_ops *ops = &tp->pll_power_ops;
3487
3488         switch (tp->mac_version) {
3489         case RTL_GIGA_MAC_VER_07:
3490         case RTL_GIGA_MAC_VER_08:
3491         case RTL_GIGA_MAC_VER_09:
3492         case RTL_GIGA_MAC_VER_10:
3493         case RTL_GIGA_MAC_VER_16:
3494         case RTL_GIGA_MAC_VER_29:
3495         case RTL_GIGA_MAC_VER_30:
3496                 ops->down       = r810x_pll_power_down;
3497                 ops->up         = r810x_pll_power_up;
3498                 break;
3499
3500         case RTL_GIGA_MAC_VER_11:
3501         case RTL_GIGA_MAC_VER_12:
3502         case RTL_GIGA_MAC_VER_17:
3503         case RTL_GIGA_MAC_VER_18:
3504         case RTL_GIGA_MAC_VER_19:
3505         case RTL_GIGA_MAC_VER_20:
3506         case RTL_GIGA_MAC_VER_21:
3507         case RTL_GIGA_MAC_VER_22:
3508         case RTL_GIGA_MAC_VER_23:
3509         case RTL_GIGA_MAC_VER_24:
3510         case RTL_GIGA_MAC_VER_25:
3511         case RTL_GIGA_MAC_VER_26:
3512         case RTL_GIGA_MAC_VER_27:
3513         case RTL_GIGA_MAC_VER_28:
3514         case RTL_GIGA_MAC_VER_31:
3515         case RTL_GIGA_MAC_VER_32:
3516         case RTL_GIGA_MAC_VER_33:
3517         case RTL_GIGA_MAC_VER_34:
3518                 ops->down       = r8168_pll_power_down;
3519                 ops->up         = r8168_pll_power_up;
3520                 break;
3521
3522         default:
3523                 ops->down       = NULL;
3524                 ops->up         = NULL;
3525                 break;
3526         }
3527 }
3528
3529 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3530 {
3531         void __iomem *ioaddr = tp->mmio_addr;
3532
3533         switch (tp->mac_version) {
3534         case RTL_GIGA_MAC_VER_01:
3535         case RTL_GIGA_MAC_VER_02:
3536         case RTL_GIGA_MAC_VER_03:
3537         case RTL_GIGA_MAC_VER_04:
3538         case RTL_GIGA_MAC_VER_05:
3539         case RTL_GIGA_MAC_VER_06:
3540         case RTL_GIGA_MAC_VER_10:
3541         case RTL_GIGA_MAC_VER_11:
3542         case RTL_GIGA_MAC_VER_12:
3543         case RTL_GIGA_MAC_VER_13:
3544         case RTL_GIGA_MAC_VER_14:
3545         case RTL_GIGA_MAC_VER_15:
3546         case RTL_GIGA_MAC_VER_16:
3547         case RTL_GIGA_MAC_VER_17:
3548                 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3549                 break;
3550         case RTL_GIGA_MAC_VER_18:
3551         case RTL_GIGA_MAC_VER_19:
3552         case RTL_GIGA_MAC_VER_20:
3553         case RTL_GIGA_MAC_VER_21:
3554         case RTL_GIGA_MAC_VER_22:
3555         case RTL_GIGA_MAC_VER_23:
3556         case RTL_GIGA_MAC_VER_24:
3557                 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3558                 break;
3559         default:
3560                 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3561                 break;
3562         }
3563 }
3564
3565 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3566 {
3567         tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3568 }
3569
3570 static void rtl_hw_reset(struct rtl8169_private *tp)
3571 {
3572         void __iomem *ioaddr = tp->mmio_addr;
3573         int i;
3574
3575         /* Soft reset the chip. */
3576         RTL_W8(ChipCmd, CmdReset);
3577
3578         /* Check that the chip has finished the reset. */
3579         for (i = 0; i < 100; i++) {
3580                 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3581                         break;
3582                 udelay(100);
3583         }
3584
3585         rtl8169_init_ring_indexes(tp);
3586 }
3587
3588 static int __devinit
3589 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3590 {
3591         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3592         const unsigned int region = cfg->region;
3593         struct rtl8169_private *tp;
3594         struct mii_if_info *mii;
3595         struct net_device *dev;
3596         void __iomem *ioaddr;
3597         int chipset, i;
3598         int rc;
3599
3600         if (netif_msg_drv(&debug)) {
3601                 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3602                        MODULENAME, RTL8169_VERSION);
3603         }
3604
3605         dev = alloc_etherdev(sizeof (*tp));
3606         if (!dev) {
3607                 if (netif_msg_drv(&debug))
3608                         dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3609                 rc = -ENOMEM;
3610                 goto out;
3611         }
3612
3613         SET_NETDEV_DEV(dev, &pdev->dev);
3614         dev->netdev_ops = &rtl8169_netdev_ops;
3615         tp = netdev_priv(dev);
3616         tp->dev = dev;
3617         tp->pci_dev = pdev;
3618         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3619
3620         mii = &tp->mii;
3621         mii->dev = dev;
3622         mii->mdio_read = rtl_mdio_read;
3623         mii->mdio_write = rtl_mdio_write;
3624         mii->phy_id_mask = 0x1f;
3625         mii->reg_num_mask = 0x1f;
3626         mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3627
3628         /* disable ASPM completely as that cause random device stop working
3629          * problems as well as full system hangs for some PCIe devices users */
3630         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3631                                      PCIE_LINK_STATE_CLKPM);
3632
3633         /* enable device (incl. PCI PM wakeup and hotplug setup) */
3634         rc = pci_enable_device(pdev);
3635         if (rc < 0) {
3636                 netif_err(tp, probe, dev, "enable failure\n");
3637                 goto err_out_free_dev_1;
3638         }
3639
3640         if (pci_set_mwi(pdev) < 0)
3641                 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3642
3643         /* make sure PCI base addr 1 is MMIO */
3644         if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3645                 netif_err(tp, probe, dev,
3646                           "region #%d not an MMIO resource, aborting\n",
3647                           region);
3648                 rc = -ENODEV;
3649                 goto err_out_mwi_2;
3650         }
3651
3652         /* check for weird/broken PCI region reporting */
3653         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3654                 netif_err(tp, probe, dev,
3655                           "Invalid PCI region size(s), aborting\n");
3656                 rc = -ENODEV;
3657                 goto err_out_mwi_2;
3658         }
3659
3660         rc = pci_request_regions(pdev, MODULENAME);
3661         if (rc < 0) {
3662                 netif_err(tp, probe, dev, "could not request regions\n");
3663                 goto err_out_mwi_2;
3664         }
3665
3666         tp->cp_cmd = RxChkSum;
3667
3668         if ((sizeof(dma_addr_t) > 4) &&
3669             !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3670                 tp->cp_cmd |= PCIDAC;
3671                 dev->features |= NETIF_F_HIGHDMA;
3672         } else {
3673                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3674                 if (rc < 0) {
3675                         netif_err(tp, probe, dev, "DMA configuration failed\n");
3676                         goto err_out_free_res_3;
3677                 }
3678         }
3679
3680         /* ioremap MMIO region */
3681         ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3682         if (!ioaddr) {
3683                 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3684                 rc = -EIO;
3685                 goto err_out_free_res_3;
3686         }
3687         tp->mmio_addr = ioaddr;
3688
3689         if (!pci_is_pcie(pdev))
3690                 netif_info(tp, probe, dev, "not PCI Express\n");
3691
3692         /* Identify chip attached to board */
3693         rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3694
3695         rtl_init_rxcfg(tp);
3696
3697         RTL_W16(IntrMask, 0x0000);
3698
3699         rtl_hw_reset(tp);
3700
3701         RTL_W16(IntrStatus, 0xffff);
3702
3703         pci_set_master(pdev);
3704
3705         /*
3706          * Pretend we are using VLANs; This bypasses a nasty bug where
3707          * Interrupts stop flowing on high load on 8110SCd controllers.
3708          */
3709         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3710                 tp->cp_cmd |= RxVlan;
3711
3712         rtl_init_mdio_ops(tp);
3713         rtl_init_pll_power_ops(tp);
3714
3715         rtl8169_print_mac_version(tp);
3716
3717         chipset = tp->mac_version;
3718         tp->txd_version = rtl_chip_infos[chipset].txd_version;
3719
3720         RTL_W8(Cfg9346, Cfg9346_Unlock);
3721         RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3722         RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3723         if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3724                 tp->features |= RTL_FEATURE_WOL;
3725         if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3726                 tp->features |= RTL_FEATURE_WOL;
3727         tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3728         RTL_W8(Cfg9346, Cfg9346_Lock);
3729
3730         if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3731             (RTL_R8(PHYstatus) & TBI_Enable)) {
3732                 tp->set_speed = rtl8169_set_speed_tbi;
3733                 tp->get_settings = rtl8169_gset_tbi;
3734                 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3735                 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3736                 tp->link_ok = rtl8169_tbi_link_ok;
3737                 tp->do_ioctl = rtl_tbi_ioctl;
3738         } else {
3739                 tp->set_speed = rtl8169_set_speed_xmii;
3740                 tp->get_settings = rtl8169_gset_xmii;
3741                 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3742                 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3743                 tp->link_ok = rtl8169_xmii_link_ok;
3744                 tp->do_ioctl = rtl_xmii_ioctl;
3745         }
3746
3747         spin_lock_init(&tp->lock);
3748
3749         /* Get MAC address */
3750         for (i = 0; i < MAC_ADDR_LEN; i++)
3751                 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3752         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3753
3754         SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3755         dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3756         dev->irq = pdev->irq;
3757         dev->base_addr = (unsigned long) ioaddr;
3758
3759         netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3760
3761         /* don't enable SG, IP_CSUM and TSO by default - it might not work
3762          * properly for all devices */
3763         dev->features |= NETIF_F_RXCSUM |
3764                 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3765
3766         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3767                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3768         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3769                 NETIF_F_HIGHDMA;
3770
3771         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3772                 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3773                 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3774
3775         tp->intr_mask = 0xffff;
3776         tp->hw_start = cfg->hw_start;
3777         tp->intr_event = cfg->intr_event;
3778         tp->napi_event = cfg->napi_event;
3779
3780         init_timer(&tp->timer);
3781         tp->timer.data = (unsigned long) dev;
3782         tp->timer.function = rtl8169_phy_timer;
3783
3784         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3785
3786         rc = register_netdev(dev);
3787         if (rc < 0)
3788                 goto err_out_msi_4;
3789
3790         pci_set_drvdata(pdev, dev);
3791
3792         netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3793                    rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3794                    (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3795
3796         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3797             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3798             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3799                 rtl8168_driver_start(tp);
3800         }
3801
3802         device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3803
3804         if (pci_dev_run_wake(pdev))
3805                 pm_runtime_put_noidle(&pdev->dev);
3806
3807         netif_carrier_off(dev);
3808
3809 out:
3810         return rc;
3811
3812 err_out_msi_4:
3813         rtl_disable_msi(pdev, tp);
3814         iounmap(ioaddr);
3815 err_out_free_res_3:
3816         pci_release_regions(pdev);
3817 err_out_mwi_2:
3818         pci_clear_mwi(pdev);
3819         pci_disable_device(pdev);
3820 err_out_free_dev_1:
3821         free_netdev(dev);
3822         goto out;
3823 }
3824
3825 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3826 {
3827         struct net_device *dev = pci_get_drvdata(pdev);
3828         struct rtl8169_private *tp = netdev_priv(dev);
3829
3830         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3831             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3832             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3833                 rtl8168_driver_stop(tp);
3834         }
3835
3836         cancel_delayed_work_sync(&tp->task);
3837
3838         unregister_netdev(dev);
3839
3840         rtl_release_firmware(tp);
3841
3842         if (pci_dev_run_wake(pdev))
3843                 pm_runtime_get_noresume(&pdev->dev);
3844
3845         /* restore original MAC address */
3846         rtl_rar_set(tp, dev->perm_addr);
3847
3848         rtl_disable_msi(pdev, tp);
3849         rtl8169_release_board(pdev, dev, tp->mmio_addr);
3850         pci_set_drvdata(pdev, NULL);
3851 }
3852
3853 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3854 {
3855         struct rtl_fw *rtl_fw;
3856         const char *name;
3857         int rc = -ENOMEM;
3858
3859         name = rtl_lookup_firmware_name(tp);
3860         if (!name)
3861                 goto out_no_firmware;
3862
3863         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
3864         if (!rtl_fw)
3865                 goto err_warn;
3866
3867         rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
3868         if (rc < 0)
3869                 goto err_free;
3870
3871         rc = rtl_check_firmware(tp, rtl_fw);
3872         if (rc < 0)
3873                 goto err_release_firmware;
3874
3875         tp->rtl_fw = rtl_fw;
3876 out:
3877         return;
3878
3879 err_release_firmware:
3880         release_firmware(rtl_fw->fw);
3881 err_free:
3882         kfree(rtl_fw);
3883 err_warn:
3884         netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
3885                    name, rc);
3886 out_no_firmware:
3887         tp->rtl_fw = NULL;
3888         goto out;
3889 }
3890
3891 static void rtl_request_firmware(struct rtl8169_private *tp)
3892 {
3893         if (IS_ERR(tp->rtl_fw))
3894                 rtl_request_uncached_firmware(tp);
3895 }
3896
3897 static int rtl8169_open(struct net_device *dev)
3898 {
3899         struct rtl8169_private *tp = netdev_priv(dev);
3900         void __iomem *ioaddr = tp->mmio_addr;
3901         struct pci_dev *pdev = tp->pci_dev;
3902         int retval = -ENOMEM;
3903
3904         pm_runtime_get_sync(&pdev->dev);
3905
3906         /*
3907          * Rx and Tx desscriptors needs 256 bytes alignment.
3908          * dma_alloc_coherent provides more.
3909          */
3910         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3911                                              &tp->TxPhyAddr, GFP_KERNEL);
3912         if (!tp->TxDescArray)
3913                 goto err_pm_runtime_put;
3914
3915         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3916                                              &tp->RxPhyAddr, GFP_KERNEL);
3917         if (!tp->RxDescArray)
3918                 goto err_free_tx_0;
3919
3920         retval = rtl8169_init_ring(dev);
3921         if (retval < 0)
3922                 goto err_free_rx_1;
3923
3924         INIT_DELAYED_WORK(&tp->task, NULL);
3925
3926         smp_mb();
3927
3928         rtl_request_firmware(tp);
3929
3930         retval = request_irq(dev->irq, rtl8169_interrupt,
3931                              (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3932                              dev->name, dev);
3933         if (retval < 0)
3934                 goto err_release_fw_2;
3935
3936         napi_enable(&tp->napi);
3937
3938         rtl8169_init_phy(dev, tp);
3939
3940         rtl8169_set_features(dev, dev->features);
3941
3942         rtl_pll_power_up(tp);
3943
3944         rtl_hw_start(dev);
3945
3946         tp->saved_wolopts = 0;
3947         pm_runtime_put_noidle(&pdev->dev);
3948
3949         rtl8169_check_link_status(dev, tp, ioaddr);
3950 out:
3951         return retval;
3952
3953 err_release_fw_2:
3954         rtl_release_firmware(tp);
3955         rtl8169_rx_clear(tp);
3956 err_free_rx_1:
3957         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3958                           tp->RxPhyAddr);
3959         tp->RxDescArray = NULL;
3960 err_free_tx_0:
3961         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3962                           tp->TxPhyAddr);
3963         tp->TxDescArray = NULL;
3964 err_pm_runtime_put:
3965         pm_runtime_put_noidle(&pdev->dev);
3966         goto out;
3967 }
3968
3969 static void rtl_rx_close(struct rtl8169_private *tp)
3970 {
3971         void __iomem *ioaddr = tp->mmio_addr;
3972
3973         RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
3974 }
3975
3976 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3977 {
3978         void __iomem *ioaddr = tp->mmio_addr;
3979
3980         /* Disable interrupts */
3981         rtl8169_irq_mask_and_ack(ioaddr);
3982
3983         rtl_rx_close(tp);
3984
3985         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3986             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3987             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3988                 while (RTL_R8(TxPoll) & NPQ)
3989                         udelay(20);
3990         } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3991                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
3992                 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
3993                         udelay(100);
3994         } else {
3995                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
3996                 udelay(100);
3997         }
3998
3999         rtl_hw_reset(tp);
4000 }
4001
4002 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4003 {
4004         void __iomem *ioaddr = tp->mmio_addr;
4005
4006         /* Set DMA burst size and Interframe Gap Time */
4007         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4008                 (InterFrameGap << TxInterFrameGapShift));
4009 }
4010
4011 static void rtl_hw_start(struct net_device *dev)
4012 {
4013         struct rtl8169_private *tp = netdev_priv(dev);
4014
4015         tp->hw_start(dev);
4016
4017         netif_start_queue(dev);
4018 }
4019
4020 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4021                                          void __iomem *ioaddr)
4022 {
4023         /*
4024          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4025          * register to be written before TxDescAddrLow to work.
4026          * Switching from MMIO to I/O access fixes the issue as well.
4027          */
4028         RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4029         RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4030         RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4031         RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4032 }
4033
4034 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4035 {
4036         u16 cmd;
4037
4038         cmd = RTL_R16(CPlusCmd);
4039         RTL_W16(CPlusCmd, cmd);
4040         return cmd;
4041 }
4042
4043 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4044 {
4045         /* Low hurts. Let's disable the filtering. */
4046         RTL_W16(RxMaxSize, rx_buf_sz + 1);
4047 }
4048
4049 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4050 {
4051         static const struct rtl_cfg2_info {
4052                 u32 mac_version;
4053                 u32 clk;
4054                 u32 val;
4055         } cfg2_info [] = {
4056                 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4057                 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4058                 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4059                 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4060         };
4061         const struct rtl_cfg2_info *p = cfg2_info;
4062         unsigned int i;
4063         u32 clk;
4064
4065         clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4066         for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4067                 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4068                         RTL_W32(0x7c, p->val);
4069                         break;
4070                 }
4071         }
4072 }
4073
4074 static void rtl_hw_start_8169(struct net_device *dev)
4075 {
4076         struct rtl8169_private *tp = netdev_priv(dev);
4077         void __iomem *ioaddr = tp->mmio_addr;
4078         struct pci_dev *pdev = tp->pci_dev;
4079
4080         if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4081                 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4082                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4083         }
4084
4085         RTL_W8(Cfg9346, Cfg9346_Unlock);
4086         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4087             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4088             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4089             tp->mac_version == RTL_GIGA_MAC_VER_04)
4090                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4091
4092         rtl_init_rxcfg(tp);
4093
4094         RTL_W8(EarlyTxThres, NoEarlyTx);
4095
4096         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4097
4098         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4099             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4100             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4101             tp->mac_version == RTL_GIGA_MAC_VER_04)
4102                 rtl_set_rx_tx_config_registers(tp);
4103
4104         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4105
4106         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4107             tp->mac_version == RTL_GIGA_MAC_VER_03) {
4108                 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4109                         "Bit-3 and bit-14 MUST be 1\n");
4110                 tp->cp_cmd |= (1 << 14);
4111         }
4112
4113         RTL_W16(CPlusCmd, tp->cp_cmd);
4114
4115         rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4116
4117         /*
4118          * Undocumented corner. Supposedly:
4119          * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4120          */
4121         RTL_W16(IntrMitigate, 0x0000);
4122
4123         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4124
4125         if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4126             tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4127             tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4128             tp->mac_version != RTL_GIGA_MAC_VER_04) {
4129                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4130                 rtl_set_rx_tx_config_registers(tp);
4131         }
4132
4133         RTL_W8(Cfg9346, Cfg9346_Lock);
4134
4135         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4136         RTL_R8(IntrMask);
4137
4138         RTL_W32(RxMissed, 0);
4139
4140         rtl_set_rx_mode(dev);
4141
4142         /* no early-rx interrupts */
4143         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4144
4145         /* Enable all known interrupts by setting the interrupt mask. */
4146         RTL_W16(IntrMask, tp->intr_event);
4147 }
4148
4149 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
4150 {
4151         int cap = pci_pcie_cap(pdev);
4152
4153         if (cap) {
4154                 u16 ctl;
4155
4156                 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
4157                 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
4158                 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
4159         }
4160 }
4161
4162 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4163 {
4164         u32 csi;
4165
4166         csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4167         rtl_csi_write(ioaddr, 0x070c, csi | bits);
4168 }
4169
4170 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4171 {
4172         rtl_csi_access_enable(ioaddr, 0x17000000);
4173 }
4174
4175 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4176 {
4177         rtl_csi_access_enable(ioaddr, 0x27000000);
4178 }
4179
4180 struct ephy_info {
4181         unsigned int offset;
4182         u16 mask;
4183         u16 bits;
4184 };
4185
4186 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4187 {
4188         u16 w;
4189
4190         while (len-- > 0) {
4191                 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4192                 rtl_ephy_write(ioaddr, e->offset, w);
4193                 e++;
4194         }
4195 }
4196
4197 static void rtl_disable_clock_request(struct pci_dev *pdev)
4198 {
4199         int cap = pci_pcie_cap(pdev);
4200
4201         if (cap) {
4202                 u16 ctl;
4203
4204                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4205                 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4206                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4207         }
4208 }
4209
4210 static void rtl_enable_clock_request(struct pci_dev *pdev)
4211 {
4212         int cap = pci_pcie_cap(pdev);
4213
4214         if (cap) {
4215                 u16 ctl;
4216
4217                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4218                 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4219                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4220         }
4221 }
4222
4223 #define R8168_CPCMD_QUIRK_MASK (\
4224         EnableBist | \
4225         Mac_dbgo_oe | \
4226         Force_half_dup | \
4227         Force_rxflow_en | \
4228         Force_txflow_en | \
4229         Cxpl_dbg_sel | \
4230         ASF | \
4231         PktCntrDisable | \
4232         Mac_dbgo_sel)
4233
4234 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4235 {
4236         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4237
4238         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4239
4240         rtl_tx_performance_tweak(pdev,
4241                 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4242 }
4243
4244 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4245 {
4246         rtl_hw_start_8168bb(ioaddr, pdev);
4247
4248         RTL_W8(MaxTxPacketSize, TxPacketMax);
4249
4250         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4251 }
4252
4253 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4254 {
4255         RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4256
4257         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4258
4259         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4260
4261         rtl_disable_clock_request(pdev);
4262
4263         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4264 }
4265
4266 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4267 {
4268         static const struct ephy_info e_info_8168cp[] = {
4269                 { 0x01, 0,      0x0001 },
4270                 { 0x02, 0x0800, 0x1000 },
4271                 { 0x03, 0,      0x0042 },
4272                 { 0x06, 0x0080, 0x0000 },
4273                 { 0x07, 0,      0x2000 }
4274         };
4275
4276         rtl_csi_access_enable_2(ioaddr);
4277
4278         rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4279
4280         __rtl_hw_start_8168cp(ioaddr, pdev);
4281 }
4282
4283 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4284 {
4285         rtl_csi_access_enable_2(ioaddr);
4286
4287         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4288
4289         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4290
4291         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4292 }
4293
4294 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4295 {
4296         rtl_csi_access_enable_2(ioaddr);
4297
4298         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4299
4300         /* Magic. */
4301         RTL_W8(DBG_REG, 0x20);
4302
4303         RTL_W8(MaxTxPacketSize, TxPacketMax);
4304
4305         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4306
4307         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4308 }
4309
4310 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4311 {
4312         static const struct ephy_info e_info_8168c_1[] = {
4313                 { 0x02, 0x0800, 0x1000 },
4314                 { 0x03, 0,      0x0002 },
4315                 { 0x06, 0x0080, 0x0000 }
4316         };
4317
4318         rtl_csi_access_enable_2(ioaddr);
4319
4320         RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4321
4322         rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4323
4324         __rtl_hw_start_8168cp(ioaddr, pdev);
4325 }
4326
4327 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4328 {
4329         static const struct ephy_info e_info_8168c_2[] = {
4330                 { 0x01, 0,      0x0001 },
4331                 { 0x03, 0x0400, 0x0220 }
4332         };
4333
4334         rtl_csi_access_enable_2(ioaddr);
4335
4336         rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4337
4338         __rtl_hw_start_8168cp(ioaddr, pdev);
4339 }
4340
4341 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4342 {
4343         rtl_hw_start_8168c_2(ioaddr, pdev);
4344 }
4345
4346 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4347 {
4348         rtl_csi_access_enable_2(ioaddr);
4349
4350         __rtl_hw_start_8168cp(ioaddr, pdev);
4351 }
4352
4353 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4354 {
4355         rtl_csi_access_enable_2(ioaddr);
4356
4357         rtl_disable_clock_request(pdev);
4358
4359         RTL_W8(MaxTxPacketSize, TxPacketMax);
4360
4361         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4362
4363         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4364 }
4365
4366 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4367 {
4368         rtl_csi_access_enable_1(ioaddr);
4369
4370         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4371
4372         RTL_W8(MaxTxPacketSize, TxPacketMax);
4373
4374         rtl_disable_clock_request(pdev);
4375 }
4376
4377 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4378 {
4379         static const struct ephy_info e_info_8168d_4[] = {
4380                 { 0x0b, ~0,     0x48 },
4381                 { 0x19, 0x20,   0x50 },
4382                 { 0x0c, ~0,     0x20 }
4383         };
4384         int i;
4385
4386         rtl_csi_access_enable_1(ioaddr);
4387
4388         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4389
4390         RTL_W8(MaxTxPacketSize, TxPacketMax);
4391
4392         for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4393                 const struct ephy_info *e = e_info_8168d_4 + i;
4394                 u16 w;
4395
4396                 w = rtl_ephy_read(ioaddr, e->offset);
4397                 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4398         }
4399
4400         rtl_enable_clock_request(pdev);
4401 }
4402
4403 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4404 {
4405         static const struct ephy_info e_info_8168e_1[] = {
4406                 { 0x00, 0x0200, 0x0100 },
4407                 { 0x00, 0x0000, 0x0004 },
4408                 { 0x06, 0x0002, 0x0001 },
4409                 { 0x06, 0x0000, 0x0030 },
4410                 { 0x07, 0x0000, 0x2000 },
4411                 { 0x00, 0x0000, 0x0020 },
4412                 { 0x03, 0x5800, 0x2000 },
4413                 { 0x03, 0x0000, 0x0001 },
4414                 { 0x01, 0x0800, 0x1000 },
4415                 { 0x07, 0x0000, 0x4000 },
4416                 { 0x1e, 0x0000, 0x2000 },
4417                 { 0x19, 0xffff, 0xfe6c },
4418                 { 0x0a, 0x0000, 0x0040 }
4419         };
4420
4421         rtl_csi_access_enable_2(ioaddr);
4422
4423         rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4424
4425         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4426
4427         RTL_W8(MaxTxPacketSize, TxPacketMax);
4428
4429         rtl_disable_clock_request(pdev);
4430
4431         /* Reset tx FIFO pointer */
4432         RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4433         RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4434
4435         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4436 }
4437
4438 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4439 {
4440         static const struct ephy_info e_info_8168e_2[] = {
4441                 { 0x09, 0x0000, 0x0080 },
4442                 { 0x19, 0x0000, 0x0224 }
4443         };
4444
4445         rtl_csi_access_enable_1(ioaddr);
4446
4447         rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4448
4449         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4450
4451         rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4452         rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4453         rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4454         rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4455         rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4456         rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4457         rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4458         rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4459                      ERIAR_EXGMAC);
4460
4461         RTL_W8(MaxTxPacketSize, 0x27);
4462
4463         rtl_disable_clock_request(pdev);
4464
4465         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4466         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4467
4468         /* Adjust EEE LED frequency */
4469         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4470
4471         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4472         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4473         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4474 }
4475
4476 static void rtl_hw_start_8168(struct net_device *dev)
4477 {
4478         struct rtl8169_private *tp = netdev_priv(dev);
4479         void __iomem *ioaddr = tp->mmio_addr;
4480         struct pci_dev *pdev = tp->pci_dev;
4481
4482         RTL_W8(Cfg9346, Cfg9346_Unlock);
4483
4484         RTL_W8(MaxTxPacketSize, TxPacketMax);
4485
4486         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4487
4488         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4489
4490         RTL_W16(CPlusCmd, tp->cp_cmd);
4491
4492         RTL_W16(IntrMitigate, 0x5151);
4493
4494         /* Work around for RxFIFO overflow. */
4495         if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4496             tp->mac_version == RTL_GIGA_MAC_VER_22) {
4497                 tp->intr_event |= RxFIFOOver | PCSTimeout;
4498                 tp->intr_event &= ~RxOverflow;
4499         }
4500
4501         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4502
4503         rtl_set_rx_mode(dev);
4504
4505         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4506                 (InterFrameGap << TxInterFrameGapShift));
4507
4508         RTL_R8(IntrMask);
4509
4510         switch (tp->mac_version) {
4511         case RTL_GIGA_MAC_VER_11:
4512                 rtl_hw_start_8168bb(ioaddr, pdev);
4513                 break;
4514
4515         case RTL_GIGA_MAC_VER_12:
4516         case RTL_GIGA_MAC_VER_17:
4517                 rtl_hw_start_8168bef(ioaddr, pdev);
4518                 break;
4519
4520         case RTL_GIGA_MAC_VER_18:
4521                 rtl_hw_start_8168cp_1(ioaddr, pdev);
4522                 break;
4523
4524         case RTL_GIGA_MAC_VER_19:
4525                 rtl_hw_start_8168c_1(ioaddr, pdev);
4526                 break;
4527
4528         case RTL_GIGA_MAC_VER_20:
4529                 rtl_hw_start_8168c_2(ioaddr, pdev);
4530                 break;
4531
4532         case RTL_GIGA_MAC_VER_21:
4533                 rtl_hw_start_8168c_3(ioaddr, pdev);
4534                 break;
4535
4536         case RTL_GIGA_MAC_VER_22:
4537                 rtl_hw_start_8168c_4(ioaddr, pdev);
4538                 break;
4539
4540         case RTL_GIGA_MAC_VER_23:
4541                 rtl_hw_start_8168cp_2(ioaddr, pdev);
4542                 break;
4543
4544         case RTL_GIGA_MAC_VER_24:
4545                 rtl_hw_start_8168cp_3(ioaddr, pdev);
4546                 break;
4547
4548         case RTL_GIGA_MAC_VER_25:
4549         case RTL_GIGA_MAC_VER_26:
4550         case RTL_GIGA_MAC_VER_27:
4551                 rtl_hw_start_8168d(ioaddr, pdev);
4552                 break;
4553
4554         case RTL_GIGA_MAC_VER_28:
4555                 rtl_hw_start_8168d_4(ioaddr, pdev);
4556                 break;
4557
4558         case RTL_GIGA_MAC_VER_31:
4559                 rtl_hw_start_8168dp(ioaddr, pdev);
4560                 break;
4561
4562         case RTL_GIGA_MAC_VER_32:
4563         case RTL_GIGA_MAC_VER_33:
4564                 rtl_hw_start_8168e_1(ioaddr, pdev);
4565                 break;
4566         case RTL_GIGA_MAC_VER_34:
4567                 rtl_hw_start_8168e_2(ioaddr, pdev);
4568                 break;
4569
4570         default:
4571                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4572                         dev->name, tp->mac_version);
4573                 break;
4574         }
4575
4576         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4577
4578         RTL_W8(Cfg9346, Cfg9346_Lock);
4579
4580         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4581
4582         RTL_W16(IntrMask, tp->intr_event);
4583 }
4584
4585 #define R810X_CPCMD_QUIRK_MASK (\
4586         EnableBist | \
4587         Mac_dbgo_oe | \
4588         Force_half_dup | \
4589         Force_rxflow_en | \
4590         Force_txflow_en | \
4591         Cxpl_dbg_sel | \
4592         ASF | \
4593         PktCntrDisable | \
4594         Mac_dbgo_sel)
4595
4596 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4597 {
4598         static const struct ephy_info e_info_8102e_1[] = {
4599                 { 0x01, 0, 0x6e65 },
4600                 { 0x02, 0, 0x091f },
4601                 { 0x03, 0, 0xc2f9 },
4602                 { 0x06, 0, 0xafb5 },
4603                 { 0x07, 0, 0x0e00 },
4604                 { 0x19, 0, 0xec80 },
4605                 { 0x01, 0, 0x2e65 },
4606                 { 0x01, 0, 0x6e65 }
4607         };
4608         u8 cfg1;
4609
4610         rtl_csi_access_enable_2(ioaddr);
4611
4612         RTL_W8(DBG_REG, FIX_NAK_1);
4613
4614         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4615
4616         RTL_W8(Config1,
4617                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4618         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4619
4620         cfg1 = RTL_R8(Config1);
4621         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4622                 RTL_W8(Config1, cfg1 & ~LEDS0);
4623
4624         rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4625 }
4626
4627 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4628 {
4629         rtl_csi_access_enable_2(ioaddr);
4630
4631         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4632
4633         RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4634         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4635 }
4636
4637 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4638 {
4639         rtl_hw_start_8102e_2(ioaddr, pdev);
4640
4641         rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4642 }
4643
4644 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4645 {
4646         static const struct ephy_info e_info_8105e_1[] = {
4647                 { 0x07, 0, 0x4000 },
4648                 { 0x19, 0, 0x0200 },
4649                 { 0x19, 0, 0x0020 },
4650                 { 0x1e, 0, 0x2000 },
4651                 { 0x03, 0, 0x0001 },
4652                 { 0x19, 0, 0x0100 },
4653                 { 0x19, 0, 0x0004 },
4654                 { 0x0a, 0, 0x0020 }
4655         };
4656
4657         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4658         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4659
4660         /* Disable Early Tally Counter */
4661         RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4662
4663         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4664         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4665
4666         rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4667 }
4668
4669 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4670 {
4671         rtl_hw_start_8105e_1(ioaddr, pdev);
4672         rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4673 }
4674
4675 static void rtl_hw_start_8101(struct net_device *dev)
4676 {
4677         struct rtl8169_private *tp = netdev_priv(dev);
4678         void __iomem *ioaddr = tp->mmio_addr;
4679         struct pci_dev *pdev = tp->pci_dev;
4680
4681         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4682             tp->mac_version == RTL_GIGA_MAC_VER_16) {
4683                 int cap = pci_pcie_cap(pdev);
4684
4685                 if (cap) {
4686                         pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4687                                               PCI_EXP_DEVCTL_NOSNOOP_EN);
4688                 }
4689         }
4690
4691         RTL_W8(Cfg9346, Cfg9346_Unlock);
4692
4693         switch (tp->mac_version) {
4694         case RTL_GIGA_MAC_VER_07:
4695                 rtl_hw_start_8102e_1(ioaddr, pdev);
4696                 break;
4697
4698         case RTL_GIGA_MAC_VER_08:
4699                 rtl_hw_start_8102e_3(ioaddr, pdev);
4700                 break;
4701
4702         case RTL_GIGA_MAC_VER_09:
4703                 rtl_hw_start_8102e_2(ioaddr, pdev);
4704                 break;
4705
4706         case RTL_GIGA_MAC_VER_29:
4707                 rtl_hw_start_8105e_1(ioaddr, pdev);
4708                 break;
4709         case RTL_GIGA_MAC_VER_30:
4710                 rtl_hw_start_8105e_2(ioaddr, pdev);
4711                 break;
4712         }
4713
4714         RTL_W8(Cfg9346, Cfg9346_Lock);
4715
4716         RTL_W8(MaxTxPacketSize, TxPacketMax);
4717
4718         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4719
4720         tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4721         RTL_W16(CPlusCmd, tp->cp_cmd);
4722
4723         RTL_W16(IntrMitigate, 0x0000);
4724
4725         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4726
4727         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4728         rtl_set_rx_tx_config_registers(tp);
4729
4730         RTL_R8(IntrMask);
4731
4732         rtl_set_rx_mode(dev);
4733
4734         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4735
4736         RTL_W16(IntrMask, tp->intr_event);
4737 }
4738
4739 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4740 {
4741         if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4742                 return -EINVAL;
4743
4744         dev->mtu = new_mtu;
4745         netdev_update_features(dev);
4746
4747         return 0;
4748 }
4749
4750 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4751 {
4752         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4753         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4754 }
4755
4756 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4757                                      void **data_buff, struct RxDesc *desc)
4758 {
4759         dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4760                          DMA_FROM_DEVICE);
4761
4762         kfree(*data_buff);
4763         *data_buff = NULL;
4764         rtl8169_make_unusable_by_asic(desc);
4765 }
4766
4767 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4768 {
4769         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4770
4771         desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4772 }
4773
4774 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4775                                        u32 rx_buf_sz)
4776 {
4777         desc->addr = cpu_to_le64(mapping);
4778         wmb();
4779         rtl8169_mark_to_asic(desc, rx_buf_sz);
4780 }
4781
4782 static inline void *rtl8169_align(void *data)
4783 {
4784         return (void *)ALIGN((long)data, 16);
4785 }
4786
4787 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4788                                              struct RxDesc *desc)
4789 {
4790         void *data;
4791         dma_addr_t mapping;
4792         struct device *d = &tp->pci_dev->dev;
4793         struct net_device *dev = tp->dev;
4794         int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4795
4796         data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4797         if (!data)
4798                 return NULL;
4799
4800         if (rtl8169_align(data) != data) {
4801                 kfree(data);
4802                 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4803                 if (!data)
4804                         return NULL;
4805         }
4806
4807         mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4808                                  DMA_FROM_DEVICE);
4809         if (unlikely(dma_mapping_error(d, mapping))) {
4810                 if (net_ratelimit())
4811                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4812                 goto err_out;
4813         }
4814
4815         rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4816         return data;
4817
4818 err_out:
4819         kfree(data);
4820         return NULL;
4821 }
4822
4823 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4824 {
4825         unsigned int i;
4826
4827         for (i = 0; i < NUM_RX_DESC; i++) {
4828                 if (tp->Rx_databuff[i]) {
4829                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4830                                             tp->RxDescArray + i);
4831                 }
4832         }
4833 }
4834
4835 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4836 {
4837         desc->opts1 |= cpu_to_le32(RingEnd);
4838 }
4839
4840 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4841 {
4842         unsigned int i;
4843
4844         for (i = 0; i < NUM_RX_DESC; i++) {
4845                 void *data;
4846
4847                 if (tp->Rx_databuff[i])
4848                         continue;
4849
4850                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4851                 if (!data) {
4852                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4853                         goto err_out;
4854                 }
4855                 tp->Rx_databuff[i] = data;
4856         }
4857
4858         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4859         return 0;
4860
4861 err_out:
4862         rtl8169_rx_clear(tp);
4863         return -ENOMEM;
4864 }
4865
4866 static int rtl8169_init_ring(struct net_device *dev)
4867 {
4868         struct rtl8169_private *tp = netdev_priv(dev);
4869
4870         rtl8169_init_ring_indexes(tp);
4871
4872         memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4873         memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4874
4875         return rtl8169_rx_fill(tp);
4876 }
4877
4878 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4879                                  struct TxDesc *desc)
4880 {
4881         unsigned int len = tx_skb->len;
4882
4883         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4884
4885         desc->opts1 = 0x00;
4886         desc->opts2 = 0x00;
4887         desc->addr = 0x00;
4888         tx_skb->len = 0;
4889 }
4890
4891 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4892                                    unsigned int n)
4893 {
4894         unsigned int i;
4895
4896         for (i = 0; i < n; i++) {
4897                 unsigned int entry = (start + i) % NUM_TX_DESC;
4898                 struct ring_info *tx_skb = tp->tx_skb + entry;
4899                 unsigned int len = tx_skb->len;
4900
4901                 if (len) {
4902                         struct sk_buff *skb = tx_skb->skb;
4903
4904                         rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4905                                              tp->TxDescArray + entry);
4906                         if (skb) {
4907                                 tp->dev->stats.tx_dropped++;
4908                                 dev_kfree_skb(skb);
4909                                 tx_skb->skb = NULL;
4910                         }
4911                 }
4912         }
4913 }
4914
4915 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4916 {
4917         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4918         tp->cur_tx = tp->dirty_tx = 0;
4919 }
4920
4921 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4922 {
4923         struct rtl8169_private *tp = netdev_priv(dev);
4924
4925         PREPARE_DELAYED_WORK(&tp->task, task);
4926         schedule_delayed_work(&tp->task, 4);
4927 }
4928
4929 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4930 {
4931         struct rtl8169_private *tp = netdev_priv(dev);
4932         void __iomem *ioaddr = tp->mmio_addr;
4933
4934         synchronize_irq(dev->irq);
4935
4936         /* Wait for any pending NAPI task to complete */
4937         napi_disable(&tp->napi);
4938
4939         rtl8169_irq_mask_and_ack(ioaddr);
4940
4941         tp->intr_mask = 0xffff;
4942         RTL_W16(IntrMask, tp->intr_event);
4943         napi_enable(&tp->napi);
4944 }
4945
4946 static void rtl8169_reinit_task(struct work_struct *work)
4947 {
4948         struct rtl8169_private *tp =
4949                 container_of(work, struct rtl8169_private, task.work);
4950         struct net_device *dev = tp->dev;
4951         int ret;
4952
4953         rtnl_lock();
4954
4955         if (!netif_running(dev))
4956                 goto out_unlock;
4957
4958         rtl8169_wait_for_quiescence(dev);
4959         rtl8169_close(dev);
4960
4961         ret = rtl8169_open(dev);
4962         if (unlikely(ret < 0)) {
4963                 if (net_ratelimit())
4964                         netif_err(tp, drv, dev,
4965                                   "reinit failure (status = %d). Rescheduling\n",
4966                                   ret);
4967                 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4968         }
4969
4970 out_unlock:
4971         rtnl_unlock();
4972 }
4973
4974 static void rtl8169_reset_task(struct work_struct *work)
4975 {
4976         struct rtl8169_private *tp =
4977                 container_of(work, struct rtl8169_private, task.work);
4978         struct net_device *dev = tp->dev;
4979         int i;
4980
4981         rtnl_lock();
4982
4983         if (!netif_running(dev))
4984                 goto out_unlock;
4985
4986         rtl8169_wait_for_quiescence(dev);
4987
4988         for (i = 0; i < NUM_RX_DESC; i++)
4989                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
4990
4991         rtl8169_tx_clear(tp);
4992
4993         rtl8169_hw_reset(tp);
4994         rtl_hw_start(dev);
4995         netif_wake_queue(dev);
4996         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4997
4998 out_unlock:
4999         rtnl_unlock();
5000 }
5001
5002 static void rtl8169_tx_timeout(struct net_device *dev)
5003 {
5004         struct rtl8169_private *tp = netdev_priv(dev);
5005
5006         rtl8169_hw_reset(tp);
5007
5008         /* Let's wait a bit while any (async) irq lands on */
5009         rtl8169_schedule_work(dev, rtl8169_reset_task);
5010 }
5011
5012 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5013                               u32 *opts)
5014 {
5015         struct skb_shared_info *info = skb_shinfo(skb);
5016         unsigned int cur_frag, entry;
5017         struct TxDesc * uninitialized_var(txd);
5018         struct device *d = &tp->pci_dev->dev;
5019
5020         entry = tp->cur_tx;
5021         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5022                 skb_frag_t *frag = info->frags + cur_frag;
5023                 dma_addr_t mapping;
5024                 u32 status, len;
5025                 void *addr;
5026
5027                 entry = (entry + 1) % NUM_TX_DESC;
5028
5029                 txd = tp->TxDescArray + entry;
5030                 len = frag->size;
5031                 addr = ((void *) page_address(frag->page)) + frag->page_offset;
5032                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5033                 if (unlikely(dma_mapping_error(d, mapping))) {
5034                         if (net_ratelimit())
5035                                 netif_err(tp, drv, tp->dev,
5036                                           "Failed to map TX fragments DMA!\n");
5037                         goto err_out;
5038                 }
5039
5040                 /* Anti gcc 2.95.3 bugware (sic) */
5041                 status = opts[0] | len |
5042                         (RingEnd * !((entry + 1) % NUM_TX_DESC));
5043
5044                 txd->opts1 = cpu_to_le32(status);
5045                 txd->opts2 = cpu_to_le32(opts[1]);
5046                 txd->addr = cpu_to_le64(mapping);
5047
5048                 tp->tx_skb[entry].len = len;
5049         }
5050
5051         if (cur_frag) {
5052                 tp->tx_skb[entry].skb = skb;
5053                 txd->opts1 |= cpu_to_le32(LastFrag);
5054         }
5055
5056         return cur_frag;
5057
5058 err_out:
5059         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5060         return -EIO;
5061 }
5062
5063 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5064                                     struct sk_buff *skb, u32 *opts)
5065 {
5066         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5067         u32 mss = skb_shinfo(skb)->gso_size;
5068         int offset = info->opts_offset;
5069
5070         if (mss) {
5071                 opts[0] |= TD_LSO;
5072                 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5073         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5074                 const struct iphdr *ip = ip_hdr(skb);
5075
5076                 if (ip->protocol == IPPROTO_TCP)
5077                         opts[offset] |= info->checksum.tcp;
5078                 else if (ip->protocol == IPPROTO_UDP)
5079                         opts[offset] |= info->checksum.udp;
5080                 else
5081                         WARN_ON_ONCE(1);
5082         }
5083 }
5084
5085 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5086                                       struct net_device *dev)
5087 {
5088         struct rtl8169_private *tp = netdev_priv(dev);
5089         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5090         struct TxDesc *txd = tp->TxDescArray + entry;
5091         void __iomem *ioaddr = tp->mmio_addr;
5092         struct device *d = &tp->pci_dev->dev;
5093         dma_addr_t mapping;
5094         u32 status, len;
5095         u32 opts[2];
5096         int frags;
5097
5098         if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5099                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5100                 goto err_stop_0;
5101         }
5102
5103         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5104                 goto err_stop_0;
5105
5106         len = skb_headlen(skb);
5107         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5108         if (unlikely(dma_mapping_error(d, mapping))) {
5109                 if (net_ratelimit())
5110                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5111                 goto err_dma_0;
5112         }
5113
5114         tp->tx_skb[entry].len = len;
5115         txd->addr = cpu_to_le64(mapping);
5116
5117         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5118         opts[0] = DescOwn;
5119
5120         rtl8169_tso_csum(tp, skb, opts);
5121
5122         frags = rtl8169_xmit_frags(tp, skb, opts);
5123         if (frags < 0)
5124                 goto err_dma_1;
5125         else if (frags)
5126                 opts[0] |= FirstFrag;
5127         else {
5128                 opts[0] |= FirstFrag | LastFrag;
5129                 tp->tx_skb[entry].skb = skb;
5130         }
5131
5132         txd->opts2 = cpu_to_le32(opts[1]);
5133
5134         wmb();
5135
5136         /* Anti gcc 2.95.3 bugware (sic) */
5137         status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5138         txd->opts1 = cpu_to_le32(status);
5139
5140         tp->cur_tx += frags + 1;
5141
5142         wmb();
5143
5144         RTL_W8(TxPoll, NPQ);
5145
5146         if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5147                 netif_stop_queue(dev);
5148                 smp_rmb();
5149                 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5150                         netif_wake_queue(dev);
5151         }
5152
5153         return NETDEV_TX_OK;
5154
5155 err_dma_1:
5156         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5157 err_dma_0:
5158         dev_kfree_skb(skb);
5159         dev->stats.tx_dropped++;
5160         return NETDEV_TX_OK;
5161
5162 err_stop_0:
5163         netif_stop_queue(dev);
5164         dev->stats.tx_dropped++;
5165         return NETDEV_TX_BUSY;
5166 }
5167
5168 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5169 {
5170         struct rtl8169_private *tp = netdev_priv(dev);
5171         struct pci_dev *pdev = tp->pci_dev;
5172         u16 pci_status, pci_cmd;
5173
5174         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5175         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5176
5177         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5178                   pci_cmd, pci_status);
5179
5180         /*
5181          * The recovery sequence below admits a very elaborated explanation:
5182          * - it seems to work;
5183          * - I did not see what else could be done;
5184          * - it makes iop3xx happy.
5185          *
5186          * Feel free to adjust to your needs.
5187          */
5188         if (pdev->broken_parity_status)
5189                 pci_cmd &= ~PCI_COMMAND_PARITY;
5190         else
5191                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5192
5193         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5194
5195         pci_write_config_word(pdev, PCI_STATUS,
5196                 pci_status & (PCI_STATUS_DETECTED_PARITY |
5197                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5198                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5199
5200         /* The infamous DAC f*ckup only happens at boot time */
5201         if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5202                 void __iomem *ioaddr = tp->mmio_addr;
5203
5204                 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5205                 tp->cp_cmd &= ~PCIDAC;
5206                 RTL_W16(CPlusCmd, tp->cp_cmd);
5207                 dev->features &= ~NETIF_F_HIGHDMA;
5208         }
5209
5210         rtl8169_hw_reset(tp);
5211
5212         rtl8169_schedule_work(dev, rtl8169_reinit_task);
5213 }
5214
5215 static void rtl8169_tx_interrupt(struct net_device *dev,
5216                                  struct rtl8169_private *tp,
5217                                  void __iomem *ioaddr)
5218 {
5219         unsigned int dirty_tx, tx_left;
5220
5221         dirty_tx = tp->dirty_tx;
5222         smp_rmb();
5223         tx_left = tp->cur_tx - dirty_tx;
5224
5225         while (tx_left > 0) {
5226                 unsigned int entry = dirty_tx % NUM_TX_DESC;
5227                 struct ring_info *tx_skb = tp->tx_skb + entry;
5228                 u32 status;
5229
5230                 rmb();
5231                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5232                 if (status & DescOwn)
5233                         break;
5234
5235                 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5236                                      tp->TxDescArray + entry);
5237                 if (status & LastFrag) {
5238                         dev->stats.tx_packets++;
5239                         dev->stats.tx_bytes += tx_skb->skb->len;
5240                         dev_kfree_skb(tx_skb->skb);
5241                         tx_skb->skb = NULL;
5242                 }
5243                 dirty_tx++;
5244                 tx_left--;
5245         }
5246
5247         if (tp->dirty_tx != dirty_tx) {
5248                 tp->dirty_tx = dirty_tx;
5249                 smp_wmb();
5250                 if (netif_queue_stopped(dev) &&
5251                     (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5252                         netif_wake_queue(dev);
5253                 }
5254                 /*
5255                  * 8168 hack: TxPoll requests are lost when the Tx packets are
5256                  * too close. Let's kick an extra TxPoll request when a burst
5257                  * of start_xmit activity is detected (if it is not detected,
5258                  * it is slow enough). -- FR
5259                  */
5260                 smp_rmb();
5261                 if (tp->cur_tx != dirty_tx)
5262                         RTL_W8(TxPoll, NPQ);
5263         }
5264 }
5265
5266 static inline int rtl8169_fragmented_frame(u32 status)
5267 {
5268         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5269 }
5270
5271 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5272 {
5273         u32 status = opts1 & RxProtoMask;
5274
5275         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5276             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5277                 skb->ip_summed = CHECKSUM_UNNECESSARY;
5278         else
5279                 skb_checksum_none_assert(skb);
5280 }
5281
5282 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5283                                            struct rtl8169_private *tp,
5284                                            int pkt_size,
5285                                            dma_addr_t addr)
5286 {
5287         struct sk_buff *skb;
5288         struct device *d = &tp->pci_dev->dev;
5289
5290         data = rtl8169_align(data);
5291         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5292         prefetch(data);
5293         skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5294         if (skb)
5295                 memcpy(skb->data, data, pkt_size);
5296         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5297
5298         return skb;
5299 }
5300
5301 static int rtl8169_rx_interrupt(struct net_device *dev,
5302                                 struct rtl8169_private *tp,
5303                                 void __iomem *ioaddr, u32 budget)
5304 {
5305         unsigned int cur_rx, rx_left;
5306         unsigned int count;
5307
5308         cur_rx = tp->cur_rx;
5309         rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5310         rx_left = min(rx_left, budget);
5311
5312         for (; rx_left > 0; rx_left--, cur_rx++) {
5313                 unsigned int entry = cur_rx % NUM_RX_DESC;
5314                 struct RxDesc *desc = tp->RxDescArray + entry;
5315                 u32 status;
5316
5317                 rmb();
5318                 status = le32_to_cpu(desc->opts1);
5319
5320                 if (status & DescOwn)
5321                         break;
5322                 if (unlikely(status & RxRES)) {
5323                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5324                                    status);
5325                         dev->stats.rx_errors++;
5326                         if (status & (RxRWT | RxRUNT))
5327                                 dev->stats.rx_length_errors++;
5328                         if (status & RxCRC)
5329                                 dev->stats.rx_crc_errors++;
5330                         if (status & RxFOVF) {
5331                                 rtl8169_schedule_work(dev, rtl8169_reset_task);
5332                                 dev->stats.rx_fifo_errors++;
5333                         }
5334                         rtl8169_mark_to_asic(desc, rx_buf_sz);
5335                 } else {
5336                         struct sk_buff *skb;
5337                         dma_addr_t addr = le64_to_cpu(desc->addr);
5338                         int pkt_size = (status & 0x00001FFF) - 4;
5339
5340                         /*
5341                          * The driver does not support incoming fragmented
5342                          * frames. They are seen as a symptom of over-mtu
5343                          * sized frames.
5344                          */
5345                         if (unlikely(rtl8169_fragmented_frame(status))) {
5346                                 dev->stats.rx_dropped++;
5347                                 dev->stats.rx_length_errors++;
5348                                 rtl8169_mark_to_asic(desc, rx_buf_sz);
5349                                 continue;
5350                         }
5351
5352                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5353                                                   tp, pkt_size, addr);
5354                         rtl8169_mark_to_asic(desc, rx_buf_sz);
5355                         if (!skb) {
5356                                 dev->stats.rx_dropped++;
5357                                 continue;
5358                         }
5359
5360                         rtl8169_rx_csum(skb, status);
5361                         skb_put(skb, pkt_size);
5362                         skb->protocol = eth_type_trans(skb, dev);
5363
5364                         rtl8169_rx_vlan_tag(desc, skb);
5365
5366                         napi_gro_receive(&tp->napi, skb);
5367
5368                         dev->stats.rx_bytes += pkt_size;
5369                         dev->stats.rx_packets++;
5370                 }
5371
5372                 /* Work around for AMD plateform. */
5373                 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5374                     (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5375                         desc->opts2 = 0;
5376                         cur_rx++;
5377                 }
5378         }
5379
5380         count = cur_rx - tp->cur_rx;
5381         tp->cur_rx = cur_rx;
5382
5383         tp->dirty_rx += count;
5384
5385         return count;
5386 }
5387
5388 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5389 {
5390         struct net_device *dev = dev_instance;
5391         struct rtl8169_private *tp = netdev_priv(dev);
5392         void __iomem *ioaddr = tp->mmio_addr;
5393         int handled = 0;
5394         int status;
5395
5396         /* loop handling interrupts until we have no new ones or
5397          * we hit a invalid/hotplug case.
5398          */
5399         status = RTL_R16(IntrStatus);
5400         while (status && status != 0xffff) {
5401                 handled = 1;
5402
5403                 /* Handle all of the error cases first. These will reset
5404                  * the chip, so just exit the loop.
5405                  */
5406                 if (unlikely(!netif_running(dev))) {
5407                         rtl8169_hw_reset(tp);
5408                         break;
5409                 }
5410
5411                 if (unlikely(status & RxFIFOOver)) {
5412                         switch (tp->mac_version) {
5413                         /* Work around for rx fifo overflow */
5414                         case RTL_GIGA_MAC_VER_11:
5415                         case RTL_GIGA_MAC_VER_22:
5416                         case RTL_GIGA_MAC_VER_26:
5417                                 netif_stop_queue(dev);
5418                                 rtl8169_tx_timeout(dev);
5419                                 goto done;
5420                         /* Testers needed. */
5421                         case RTL_GIGA_MAC_VER_17:
5422                         case RTL_GIGA_MAC_VER_19:
5423                         case RTL_GIGA_MAC_VER_20:
5424                         case RTL_GIGA_MAC_VER_21:
5425                         case RTL_GIGA_MAC_VER_23:
5426                         case RTL_GIGA_MAC_VER_24:
5427                         case RTL_GIGA_MAC_VER_27:
5428                         case RTL_GIGA_MAC_VER_28:
5429                         case RTL_GIGA_MAC_VER_31:
5430                         /* Experimental science. Pktgen proof. */
5431                         case RTL_GIGA_MAC_VER_12:
5432                         case RTL_GIGA_MAC_VER_25:
5433                                 if (status == RxFIFOOver)
5434                                         goto done;
5435                                 break;
5436                         default:
5437                                 break;
5438                         }
5439                 }
5440
5441                 if (unlikely(status & SYSErr)) {
5442                         rtl8169_pcierr_interrupt(dev);
5443                         break;
5444                 }
5445
5446                 if (status & LinkChg)
5447                         __rtl8169_check_link_status(dev, tp, ioaddr, true);
5448
5449                 /* We need to see the lastest version of tp->intr_mask to
5450                  * avoid ignoring an MSI interrupt and having to wait for
5451                  * another event which may never come.
5452                  */
5453                 smp_rmb();
5454                 if (status & tp->intr_mask & tp->napi_event) {
5455                         RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5456                         tp->intr_mask = ~tp->napi_event;
5457
5458                         if (likely(napi_schedule_prep(&tp->napi)))
5459                                 __napi_schedule(&tp->napi);
5460                         else
5461                                 netif_info(tp, intr, dev,
5462                                            "interrupt %04x in poll\n", status);
5463                 }
5464
5465                 /* We only get a new MSI interrupt when all active irq
5466                  * sources on the chip have been acknowledged. So, ack
5467                  * everything we've seen and check if new sources have become
5468                  * active to avoid blocking all interrupts from the chip.
5469                  */
5470                 RTL_W16(IntrStatus,
5471                         (status & RxFIFOOver) ? (status | RxOverflow) : status);
5472                 status = RTL_R16(IntrStatus);
5473         }
5474 done:
5475         return IRQ_RETVAL(handled);
5476 }
5477
5478 static int rtl8169_poll(struct napi_struct *napi, int budget)
5479 {
5480         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5481         struct net_device *dev = tp->dev;
5482         void __iomem *ioaddr = tp->mmio_addr;
5483         int work_done;
5484
5485         work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5486         rtl8169_tx_interrupt(dev, tp, ioaddr);
5487
5488         if (work_done < budget) {
5489                 napi_complete(napi);
5490
5491                 /* We need for force the visibility of tp->intr_mask
5492                  * for other CPUs, as we can loose an MSI interrupt
5493                  * and potentially wait for a retransmit timeout if we don't.
5494                  * The posted write to IntrMask is safe, as it will
5495                  * eventually make it to the chip and we won't loose anything
5496                  * until it does.
5497                  */
5498                 tp->intr_mask = 0xffff;
5499                 wmb();
5500                 RTL_W16(IntrMask, tp->intr_event);
5501         }
5502
5503         return work_done;
5504 }
5505
5506 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5507 {
5508         struct rtl8169_private *tp = netdev_priv(dev);
5509
5510         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5511                 return;
5512
5513         dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5514         RTL_W32(RxMissed, 0);
5515 }
5516
5517 static void rtl8169_down(struct net_device *dev)
5518 {
5519         struct rtl8169_private *tp = netdev_priv(dev);
5520         void __iomem *ioaddr = tp->mmio_addr;
5521
5522         del_timer_sync(&tp->timer);
5523
5524         netif_stop_queue(dev);
5525
5526         napi_disable(&tp->napi);
5527
5528         spin_lock_irq(&tp->lock);
5529
5530         rtl8169_hw_reset(tp);
5531         /*
5532          * At this point device interrupts can not be enabled in any function,
5533          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5534          * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5535          */
5536         rtl8169_rx_missed(dev, ioaddr);
5537
5538         spin_unlock_irq(&tp->lock);
5539
5540         synchronize_irq(dev->irq);
5541
5542         /* Give a racing hard_start_xmit a few cycles to complete. */
5543         synchronize_sched();  /* FIXME: should this be synchronize_irq()? */
5544
5545         rtl8169_tx_clear(tp);
5546
5547         rtl8169_rx_clear(tp);
5548
5549         rtl_pll_power_down(tp);
5550 }
5551
5552 static int rtl8169_close(struct net_device *dev)
5553 {
5554         struct rtl8169_private *tp = netdev_priv(dev);
5555         struct pci_dev *pdev = tp->pci_dev;
5556
5557         pm_runtime_get_sync(&pdev->dev);
5558
5559         /* Update counters before going down */
5560         rtl8169_update_counters(dev);
5561
5562         rtl8169_down(dev);
5563
5564         free_irq(dev->irq, dev);
5565
5566         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5567                           tp->RxPhyAddr);
5568         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5569                           tp->TxPhyAddr);
5570         tp->TxDescArray = NULL;
5571         tp->RxDescArray = NULL;
5572
5573         pm_runtime_put_sync(&pdev->dev);
5574
5575         return 0;
5576 }
5577
5578 static void rtl_set_rx_mode(struct net_device *dev)
5579 {
5580         struct rtl8169_private *tp = netdev_priv(dev);
5581         void __iomem *ioaddr = tp->mmio_addr;
5582         unsigned long flags;
5583         u32 mc_filter[2];       /* Multicast hash filter */
5584         int rx_mode;
5585         u32 tmp = 0;
5586
5587         if (dev->flags & IFF_PROMISC) {
5588                 /* Unconditionally log net taps. */
5589                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5590                 rx_mode =
5591                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5592                     AcceptAllPhys;
5593                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5594         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5595                    (dev->flags & IFF_ALLMULTI)) {
5596                 /* Too many to filter perfectly -- accept all multicasts. */
5597                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5598                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5599         } else {
5600                 struct netdev_hw_addr *ha;
5601
5602                 rx_mode = AcceptBroadcast | AcceptMyPhys;
5603                 mc_filter[1] = mc_filter[0] = 0;
5604                 netdev_for_each_mc_addr(ha, dev) {
5605                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5606                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5607                         rx_mode |= AcceptMulticast;
5608                 }
5609         }
5610
5611         spin_lock_irqsave(&tp->lock, flags);
5612
5613         tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
5614
5615         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5616                 u32 data = mc_filter[0];
5617
5618                 mc_filter[0] = swab32(mc_filter[1]);
5619                 mc_filter[1] = swab32(data);
5620         }
5621
5622         RTL_W32(MAR0 + 4, mc_filter[1]);
5623         RTL_W32(MAR0 + 0, mc_filter[0]);
5624
5625         RTL_W32(RxConfig, tmp);
5626
5627         spin_unlock_irqrestore(&tp->lock, flags);
5628 }
5629
5630 /**
5631  *  rtl8169_get_stats - Get rtl8169 read/write statistics
5632  *  @dev: The Ethernet Device to get statistics for
5633  *
5634  *  Get TX/RX statistics for rtl8169
5635  */
5636 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5637 {
5638         struct rtl8169_private *tp = netdev_priv(dev);
5639         void __iomem *ioaddr = tp->mmio_addr;
5640         unsigned long flags;
5641
5642         if (netif_running(dev)) {
5643                 spin_lock_irqsave(&tp->lock, flags);
5644                 rtl8169_rx_missed(dev, ioaddr);
5645                 spin_unlock_irqrestore(&tp->lock, flags);
5646         }
5647
5648         return &dev->stats;
5649 }
5650
5651 static void rtl8169_net_suspend(struct net_device *dev)
5652 {
5653         struct rtl8169_private *tp = netdev_priv(dev);
5654
5655         if (!netif_running(dev))
5656                 return;
5657
5658         rtl_pll_power_down(tp);
5659
5660         netif_device_detach(dev);
5661         netif_stop_queue(dev);
5662 }
5663
5664 #ifdef CONFIG_PM
5665
5666 static int rtl8169_suspend(struct device *device)
5667 {
5668         struct pci_dev *pdev = to_pci_dev(device);
5669         struct net_device *dev = pci_get_drvdata(pdev);
5670
5671         rtl8169_net_suspend(dev);
5672
5673         return 0;
5674 }
5675
5676 static void __rtl8169_resume(struct net_device *dev)
5677 {
5678         struct rtl8169_private *tp = netdev_priv(dev);
5679
5680         netif_device_attach(dev);
5681
5682         rtl_pll_power_up(tp);
5683
5684         rtl8169_schedule_work(dev, rtl8169_reset_task);
5685 }
5686
5687 static int rtl8169_resume(struct device *device)
5688 {
5689         struct pci_dev *pdev = to_pci_dev(device);
5690         struct net_device *dev = pci_get_drvdata(pdev);
5691         struct rtl8169_private *tp = netdev_priv(dev);
5692
5693         rtl8169_init_phy(dev, tp);
5694
5695         if (netif_running(dev))
5696                 __rtl8169_resume(dev);
5697
5698         return 0;
5699 }
5700
5701 static int rtl8169_runtime_suspend(struct device *device)
5702 {
5703         struct pci_dev *pdev = to_pci_dev(device);
5704         struct net_device *dev = pci_get_drvdata(pdev);
5705         struct rtl8169_private *tp = netdev_priv(dev);
5706
5707         if (!tp->TxDescArray)
5708                 return 0;
5709
5710         spin_lock_irq(&tp->lock);
5711         tp->saved_wolopts = __rtl8169_get_wol(tp);
5712         __rtl8169_set_wol(tp, WAKE_ANY);
5713         spin_unlock_irq(&tp->lock);
5714
5715         rtl8169_net_suspend(dev);
5716
5717         return 0;
5718 }
5719
5720 static int rtl8169_runtime_resume(struct device *device)
5721 {
5722         struct pci_dev *pdev = to_pci_dev(device);
5723         struct net_device *dev = pci_get_drvdata(pdev);
5724         struct rtl8169_private *tp = netdev_priv(dev);
5725
5726         if (!tp->TxDescArray)
5727                 return 0;
5728
5729         spin_lock_irq(&tp->lock);
5730         __rtl8169_set_wol(tp, tp->saved_wolopts);
5731         tp->saved_wolopts = 0;
5732         spin_unlock_irq(&tp->lock);
5733
5734         rtl8169_init_phy(dev, tp);
5735
5736         __rtl8169_resume(dev);
5737
5738         return 0;
5739 }
5740
5741 static int rtl8169_runtime_idle(struct device *device)
5742 {
5743         struct pci_dev *pdev = to_pci_dev(device);
5744         struct net_device *dev = pci_get_drvdata(pdev);
5745         struct rtl8169_private *tp = netdev_priv(dev);
5746
5747         return tp->TxDescArray ? -EBUSY : 0;
5748 }
5749
5750 static const struct dev_pm_ops rtl8169_pm_ops = {
5751         .suspend                = rtl8169_suspend,
5752         .resume                 = rtl8169_resume,
5753         .freeze                 = rtl8169_suspend,
5754         .thaw                   = rtl8169_resume,
5755         .poweroff               = rtl8169_suspend,
5756         .restore                = rtl8169_resume,
5757         .runtime_suspend        = rtl8169_runtime_suspend,
5758         .runtime_resume         = rtl8169_runtime_resume,
5759         .runtime_idle           = rtl8169_runtime_idle,
5760 };
5761
5762 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
5763
5764 #else /* !CONFIG_PM */
5765
5766 #define RTL8169_PM_OPS  NULL
5767
5768 #endif /* !CONFIG_PM */
5769
5770 static void rtl_shutdown(struct pci_dev *pdev)
5771 {
5772         struct net_device *dev = pci_get_drvdata(pdev);
5773         struct rtl8169_private *tp = netdev_priv(dev);
5774         void __iomem *ioaddr = tp->mmio_addr;
5775
5776         rtl8169_net_suspend(dev);
5777
5778         /* Restore original MAC address */
5779         rtl_rar_set(tp, dev->perm_addr);
5780
5781         spin_lock_irq(&tp->lock);
5782
5783         rtl8169_hw_reset(tp);
5784
5785         spin_unlock_irq(&tp->lock);
5786
5787         if (system_state == SYSTEM_POWER_OFF) {
5788                 /* WoL fails with 8168b when the receiver is disabled. */
5789                 if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
5790                      tp->mac_version == RTL_GIGA_MAC_VER_12 ||
5791                      tp->mac_version == RTL_GIGA_MAC_VER_17) &&
5792                     (tp->features & RTL_FEATURE_WOL)) {
5793                         pci_clear_master(pdev);
5794
5795                         RTL_W8(ChipCmd, CmdRxEnb);
5796                         /* PCI commit */
5797                         RTL_R8(ChipCmd);
5798                 }
5799
5800                 pci_wake_from_d3(pdev, true);
5801                 pci_set_power_state(pdev, PCI_D3hot);
5802         }
5803 }
5804
5805 static struct pci_driver rtl8169_pci_driver = {
5806         .name           = MODULENAME,
5807         .id_table       = rtl8169_pci_tbl,
5808         .probe          = rtl8169_init_one,
5809         .remove         = __devexit_p(rtl8169_remove_one),
5810         .shutdown       = rtl_shutdown,
5811         .driver.pm      = RTL8169_PM_OPS,
5812 };
5813
5814 static int __init rtl8169_init_module(void)
5815 {
5816         return pci_register_driver(&rtl8169_pci_driver);
5817 }
5818
5819 static void __exit rtl8169_cleanup_module(void)
5820 {
5821         pci_unregister_driver(&rtl8169_pci_driver);
5822 }
5823
5824 module_init(rtl8169_init_module);
5825 module_exit(rtl8169_cleanup_module);