r8169: don't enable rx when shutdown.
[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_AT,          0xc107), 0, 0, RTL_CFG_0 },
243         { PCI_DEVICE(0x16ec,                    0x0116), 0, 0, RTL_CFG_0 },
244         { PCI_VENDOR_ID_LINKSYS,                0x1032,
245                 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
246         { 0x0001,                               0x8168,
247                 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
248         {0,},
249 };
250
251 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
252
253 static int rx_buf_sz = 16383;
254 static int use_dac;
255 static struct {
256         u32 msg_enable;
257 } debug = { -1 };
258
259 enum rtl_registers {
260         MAC0            = 0,    /* Ethernet hardware address. */
261         MAC4            = 4,
262         MAR0            = 8,    /* Multicast filter. */
263         CounterAddrLow          = 0x10,
264         CounterAddrHigh         = 0x14,
265         TxDescStartAddrLow      = 0x20,
266         TxDescStartAddrHigh     = 0x24,
267         TxHDescStartAddrLow     = 0x28,
268         TxHDescStartAddrHigh    = 0x2c,
269         FLASH           = 0x30,
270         ERSR            = 0x36,
271         ChipCmd         = 0x37,
272         TxPoll          = 0x38,
273         IntrMask        = 0x3c,
274         IntrStatus      = 0x3e,
275
276         TxConfig        = 0x40,
277 #define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
278 #define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
279
280         RxConfig        = 0x44,
281 #define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
282 #define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
283 #define RXCFG_FIFO_SHIFT                13
284                                         /* No threshold before first PCI xfer */
285 #define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
286 #define RXCFG_DMA_SHIFT                 8
287                                         /* Unlimited maximum PCI burst. */
288 #define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
289 #define RTL_RX_CONFIG_MASK              0xff7e1880u
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
440         /* TxConfigBits */
441         TxInterFrameGapShift = 24,
442         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
443
444         /* Config1 register p.24 */
445         LEDS1           = (1 << 7),
446         LEDS0           = (1 << 6),
447         MSIEnable       = (1 << 5),     /* Enable Message Signaled Interrupt */
448         Speed_down      = (1 << 4),
449         MEMMAP          = (1 << 3),
450         IOMAP           = (1 << 2),
451         VPD             = (1 << 1),
452         PMEnable        = (1 << 0),     /* Power Management Enable */
453
454         /* Config2 register p. 25 */
455         PCI_Clock_66MHz = 0x01,
456         PCI_Clock_33MHz = 0x00,
457
458         /* Config3 register p.25 */
459         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
460         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
461         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
462
463         /* Config5 register p.27 */
464         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
465         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
466         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
467         Spi_en          = (1 << 3),
468         LanWake         = (1 << 1),     /* LanWake enable/disable */
469         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
470
471         /* TBICSR p.28 */
472         TBIReset        = 0x80000000,
473         TBILoopback     = 0x40000000,
474         TBINwEnable     = 0x20000000,
475         TBINwRestart    = 0x10000000,
476         TBILinkOk       = 0x02000000,
477         TBINwComplete   = 0x01000000,
478
479         /* CPlusCmd p.31 */
480         EnableBist      = (1 << 15),    // 8168 8101
481         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
482         Normal_mode     = (1 << 13),    // unused
483         Force_half_dup  = (1 << 12),    // 8168 8101
484         Force_rxflow_en = (1 << 11),    // 8168 8101
485         Force_txflow_en = (1 << 10),    // 8168 8101
486         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
487         ASF             = (1 << 8),     // 8168 8101
488         PktCntrDisable  = (1 << 7),     // 8168 8101
489         Mac_dbgo_sel    = 0x001c,       // 8168
490         RxVlan          = (1 << 6),
491         RxChkSum        = (1 << 5),
492         PCIDAC          = (1 << 4),
493         PCIMulRW        = (1 << 3),
494         INTT_0          = 0x0000,       // 8168
495         INTT_1          = 0x0001,       // 8168
496         INTT_2          = 0x0002,       // 8168
497         INTT_3          = 0x0003,       // 8168
498
499         /* rtl8169_PHYstatus */
500         TBI_Enable      = 0x80,
501         TxFlowCtrl      = 0x40,
502         RxFlowCtrl      = 0x20,
503         _1000bpsF       = 0x10,
504         _100bps         = 0x08,
505         _10bps          = 0x04,
506         LinkStatus      = 0x02,
507         FullDup         = 0x01,
508
509         /* _TBICSRBit */
510         TBILinkOK       = 0x02000000,
511
512         /* DumpCounterCommand */
513         CounterDump     = 0x8,
514 };
515
516 enum rtl_desc_bit {
517         /* First doubleword. */
518         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
519         RingEnd         = (1 << 30), /* End of descriptor ring */
520         FirstFrag       = (1 << 29), /* First segment of a packet */
521         LastFrag        = (1 << 28), /* Final segment of a packet */
522 };
523
524 /* Generic case. */
525 enum rtl_tx_desc_bit {
526         /* First doubleword. */
527         TD_LSO          = (1 << 27),            /* Large Send Offload */
528 #define TD_MSS_MAX                      0x07ffu /* MSS value */
529
530         /* Second doubleword. */
531         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
532 };
533
534 /* 8169, 8168b and 810x except 8102e. */
535 enum rtl_tx_desc_bit_0 {
536         /* First doubleword. */
537 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
538         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
539         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
540         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
541 };
542
543 /* 8102e, 8168c and beyond. */
544 enum rtl_tx_desc_bit_1 {
545         /* Second doubleword. */
546 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
547         TD1_IP_CS       = (1 << 29),            /* Calculate IP checksum */
548         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
549         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
550 };
551
552 static const struct rtl_tx_desc_info {
553         struct {
554                 u32 udp;
555                 u32 tcp;
556         } checksum;
557         u16 mss_shift;
558         u16 opts_offset;
559 } tx_desc_info [] = {
560         [RTL_TD_0] = {
561                 .checksum = {
562                         .udp    = TD0_IP_CS | TD0_UDP_CS,
563                         .tcp    = TD0_IP_CS | TD0_TCP_CS
564                 },
565                 .mss_shift      = TD0_MSS_SHIFT,
566                 .opts_offset    = 0
567         },
568         [RTL_TD_1] = {
569                 .checksum = {
570                         .udp    = TD1_IP_CS | TD1_UDP_CS,
571                         .tcp    = TD1_IP_CS | TD1_TCP_CS
572                 },
573                 .mss_shift      = TD1_MSS_SHIFT,
574                 .opts_offset    = 1
575         }
576 };
577
578 enum rtl_rx_desc_bit {
579         /* Rx private */
580         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
581         PID0            = (1 << 17), /* Protocol ID bit 2/2 */
582
583 #define RxProtoUDP      (PID1)
584 #define RxProtoTCP      (PID0)
585 #define RxProtoIP       (PID1 | PID0)
586 #define RxProtoMask     RxProtoIP
587
588         IPFail          = (1 << 16), /* IP checksum failed */
589         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
590         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
591         RxVlanTag       = (1 << 16), /* VLAN tag available */
592 };
593
594 #define RsvdMask        0x3fffc000
595
596 struct TxDesc {
597         __le32 opts1;
598         __le32 opts2;
599         __le64 addr;
600 };
601
602 struct RxDesc {
603         __le32 opts1;
604         __le32 opts2;
605         __le64 addr;
606 };
607
608 struct ring_info {
609         struct sk_buff  *skb;
610         u32             len;
611         u8              __pad[sizeof(void *) - sizeof(u32)];
612 };
613
614 enum features {
615         RTL_FEATURE_WOL         = (1 << 0),
616         RTL_FEATURE_MSI         = (1 << 1),
617         RTL_FEATURE_GMII        = (1 << 2),
618 };
619
620 struct rtl8169_counters {
621         __le64  tx_packets;
622         __le64  rx_packets;
623         __le64  tx_errors;
624         __le32  rx_errors;
625         __le16  rx_missed;
626         __le16  align_errors;
627         __le32  tx_one_collision;
628         __le32  tx_multi_collision;
629         __le64  rx_unicast;
630         __le64  rx_broadcast;
631         __le32  rx_multicast;
632         __le16  tx_aborted;
633         __le16  tx_underun;
634 };
635
636 struct rtl8169_private {
637         void __iomem *mmio_addr;        /* memory map physical address */
638         struct pci_dev *pci_dev;
639         struct net_device *dev;
640         struct napi_struct napi;
641         spinlock_t lock;
642         u32 msg_enable;
643         u16 txd_version;
644         u16 mac_version;
645         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
646         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
647         u32 dirty_rx;
648         u32 dirty_tx;
649         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
650         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
651         dma_addr_t TxPhyAddr;
652         dma_addr_t RxPhyAddr;
653         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
654         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
655         struct timer_list timer;
656         u16 cp_cmd;
657         u16 intr_event;
658         u16 napi_event;
659         u16 intr_mask;
660
661         struct mdio_ops {
662                 void (*write)(void __iomem *, int, int);
663                 int (*read)(void __iomem *, int);
664         } mdio_ops;
665
666         struct pll_power_ops {
667                 void (*down)(struct rtl8169_private *);
668                 void (*up)(struct rtl8169_private *);
669         } pll_power_ops;
670
671         int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
672         int (*get_settings)(struct net_device *, struct ethtool_cmd *);
673         void (*phy_reset_enable)(struct rtl8169_private *tp);
674         void (*hw_start)(struct net_device *);
675         unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
676         unsigned int (*link_ok)(void __iomem *);
677         int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
678         struct delayed_work task;
679         unsigned features;
680
681         struct mii_if_info mii;
682         struct rtl8169_counters counters;
683         u32 saved_wolopts;
684
685         struct rtl_fw {
686                 const struct firmware *fw;
687
688 #define RTL_VER_SIZE            32
689
690                 char version[RTL_VER_SIZE];
691
692                 struct rtl_fw_phy_action {
693                         __le32 *code;
694                         size_t size;
695                 } phy_action;
696         } *rtl_fw;
697 #define RTL_FIRMWARE_UNKNOWN    ERR_PTR(-EAGAIN);
698 };
699
700 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
701 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
702 module_param(use_dac, int, 0);
703 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
704 module_param_named(debug, debug.msg_enable, int, 0);
705 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
706 MODULE_LICENSE("GPL");
707 MODULE_VERSION(RTL8169_VERSION);
708 MODULE_FIRMWARE(FIRMWARE_8168D_1);
709 MODULE_FIRMWARE(FIRMWARE_8168D_2);
710 MODULE_FIRMWARE(FIRMWARE_8168E_1);
711 MODULE_FIRMWARE(FIRMWARE_8168E_2);
712 MODULE_FIRMWARE(FIRMWARE_8105E_1);
713
714 static int rtl8169_open(struct net_device *dev);
715 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
716                                       struct net_device *dev);
717 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
718 static int rtl8169_init_ring(struct net_device *dev);
719 static void rtl_hw_start(struct net_device *dev);
720 static int rtl8169_close(struct net_device *dev);
721 static void rtl_set_rx_mode(struct net_device *dev);
722 static void rtl8169_tx_timeout(struct net_device *dev);
723 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
724 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
725                                 void __iomem *, u32 budget);
726 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
727 static void rtl8169_down(struct net_device *dev);
728 static void rtl8169_rx_clear(struct rtl8169_private *tp);
729 static int rtl8169_poll(struct napi_struct *napi, int budget);
730
731 static const unsigned int rtl8169_rx_config = RX_FIFO_THRESH | RX_DMA_BURST;
732
733 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
734 {
735         void __iomem *ioaddr = tp->mmio_addr;
736         int i;
737
738         RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
739         for (i = 0; i < 20; i++) {
740                 udelay(100);
741                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
742                         break;
743         }
744         return RTL_R32(OCPDR);
745 }
746
747 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
748 {
749         void __iomem *ioaddr = tp->mmio_addr;
750         int i;
751
752         RTL_W32(OCPDR, data);
753         RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
754         for (i = 0; i < 20; i++) {
755                 udelay(100);
756                 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
757                         break;
758         }
759 }
760
761 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
762 {
763         void __iomem *ioaddr = tp->mmio_addr;
764         int i;
765
766         RTL_W8(ERIDR, cmd);
767         RTL_W32(ERIAR, 0x800010e8);
768         msleep(2);
769         for (i = 0; i < 5; i++) {
770                 udelay(100);
771                 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
772                         break;
773         }
774
775         ocp_write(tp, 0x1, 0x30, 0x00000001);
776 }
777
778 #define OOB_CMD_RESET           0x00
779 #define OOB_CMD_DRIVER_START    0x05
780 #define OOB_CMD_DRIVER_STOP     0x06
781
782 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
783 {
784         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
785 }
786
787 static void rtl8168_driver_start(struct rtl8169_private *tp)
788 {
789         u16 reg;
790         int i;
791
792         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
793
794         reg = rtl8168_get_ocp_reg(tp);
795
796         for (i = 0; i < 10; i++) {
797                 msleep(10);
798                 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
799                         break;
800         }
801 }
802
803 static void rtl8168_driver_stop(struct rtl8169_private *tp)
804 {
805         u16 reg;
806         int i;
807
808         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
809
810         reg = rtl8168_get_ocp_reg(tp);
811
812         for (i = 0; i < 10; i++) {
813                 msleep(10);
814                 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
815                         break;
816         }
817 }
818
819 static int r8168dp_check_dash(struct rtl8169_private *tp)
820 {
821         u16 reg = rtl8168_get_ocp_reg(tp);
822
823         return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
824 }
825
826 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
827 {
828         int i;
829
830         RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
831
832         for (i = 20; i > 0; i--) {
833                 /*
834                  * Check if the RTL8169 has completed writing to the specified
835                  * MII register.
836                  */
837                 if (!(RTL_R32(PHYAR) & 0x80000000))
838                         break;
839                 udelay(25);
840         }
841         /*
842          * According to hardware specs a 20us delay is required after write
843          * complete indication, but before sending next command.
844          */
845         udelay(20);
846 }
847
848 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
849 {
850         int i, value = -1;
851
852         RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
853
854         for (i = 20; i > 0; i--) {
855                 /*
856                  * Check if the RTL8169 has completed retrieving data from
857                  * the specified MII register.
858                  */
859                 if (RTL_R32(PHYAR) & 0x80000000) {
860                         value = RTL_R32(PHYAR) & 0xffff;
861                         break;
862                 }
863                 udelay(25);
864         }
865         /*
866          * According to hardware specs a 20us delay is required after read
867          * complete indication, but before sending next command.
868          */
869         udelay(20);
870
871         return value;
872 }
873
874 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
875 {
876         int i;
877
878         RTL_W32(OCPDR, data |
879                 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
880         RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
881         RTL_W32(EPHY_RXER_NUM, 0);
882
883         for (i = 0; i < 100; i++) {
884                 mdelay(1);
885                 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
886                         break;
887         }
888 }
889
890 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
891 {
892         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
893                 (value & OCPDR_DATA_MASK));
894 }
895
896 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
897 {
898         int i;
899
900         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
901
902         mdelay(1);
903         RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
904         RTL_W32(EPHY_RXER_NUM, 0);
905
906         for (i = 0; i < 100; i++) {
907                 mdelay(1);
908                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
909                         break;
910         }
911
912         return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
913 }
914
915 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
916
917 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
918 {
919         RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
920 }
921
922 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
923 {
924         RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
925 }
926
927 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
928 {
929         r8168dp_2_mdio_start(ioaddr);
930
931         r8169_mdio_write(ioaddr, reg_addr, value);
932
933         r8168dp_2_mdio_stop(ioaddr);
934 }
935
936 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
937 {
938         int value;
939
940         r8168dp_2_mdio_start(ioaddr);
941
942         value = r8169_mdio_read(ioaddr, reg_addr);
943
944         r8168dp_2_mdio_stop(ioaddr);
945
946         return value;
947 }
948
949 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
950 {
951         tp->mdio_ops.write(tp->mmio_addr, location, val);
952 }
953
954 static int rtl_readphy(struct rtl8169_private *tp, int location)
955 {
956         return tp->mdio_ops.read(tp->mmio_addr, location);
957 }
958
959 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
960 {
961         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
962 }
963
964 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
965 {
966         int val;
967
968         val = rtl_readphy(tp, reg_addr);
969         rtl_writephy(tp, reg_addr, (val | p) & ~m);
970 }
971
972 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
973                            int val)
974 {
975         struct rtl8169_private *tp = netdev_priv(dev);
976
977         rtl_writephy(tp, location, val);
978 }
979
980 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
981 {
982         struct rtl8169_private *tp = netdev_priv(dev);
983
984         return rtl_readphy(tp, location);
985 }
986
987 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
988 {
989         unsigned int i;
990
991         RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
992                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
993
994         for (i = 0; i < 100; i++) {
995                 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
996                         break;
997                 udelay(10);
998         }
999 }
1000
1001 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1002 {
1003         u16 value = 0xffff;
1004         unsigned int i;
1005
1006         RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1007
1008         for (i = 0; i < 100; i++) {
1009                 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1010                         value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1011                         break;
1012                 }
1013                 udelay(10);
1014         }
1015
1016         return value;
1017 }
1018
1019 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1020 {
1021         unsigned int i;
1022
1023         RTL_W32(CSIDR, value);
1024         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1025                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1026
1027         for (i = 0; i < 100; i++) {
1028                 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1029                         break;
1030                 udelay(10);
1031         }
1032 }
1033
1034 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1035 {
1036         u32 value = ~0x00;
1037         unsigned int i;
1038
1039         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1040                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1041
1042         for (i = 0; i < 100; i++) {
1043                 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1044                         value = RTL_R32(CSIDR);
1045                         break;
1046                 }
1047                 udelay(10);
1048         }
1049
1050         return value;
1051 }
1052
1053 static
1054 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1055 {
1056         unsigned int i;
1057
1058         BUG_ON((addr & 3) || (mask == 0));
1059         RTL_W32(ERIDR, val);
1060         RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1061
1062         for (i = 0; i < 100; i++) {
1063                 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1064                         break;
1065                 udelay(100);
1066         }
1067 }
1068
1069 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1070 {
1071         u32 value = ~0x00;
1072         unsigned int i;
1073
1074         RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1075
1076         for (i = 0; i < 100; i++) {
1077                 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1078                         value = RTL_R32(ERIDR);
1079                         break;
1080                 }
1081                 udelay(100);
1082         }
1083
1084         return value;
1085 }
1086
1087 static void
1088 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1089 {
1090         u32 val;
1091
1092         val = rtl_eri_read(ioaddr, addr, type);
1093         rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1094 }
1095
1096 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1097 {
1098         u8 value = 0xff;
1099         unsigned int i;
1100
1101         RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1102
1103         for (i = 0; i < 300; i++) {
1104                 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1105                         value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1106                         break;
1107                 }
1108                 udelay(100);
1109         }
1110
1111         return value;
1112 }
1113
1114 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1115 {
1116         RTL_W16(IntrMask, 0x0000);
1117
1118         RTL_W16(IntrStatus, 0xffff);
1119 }
1120
1121 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1122 {
1123         void __iomem *ioaddr = tp->mmio_addr;
1124
1125         return RTL_R32(TBICSR) & TBIReset;
1126 }
1127
1128 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1129 {
1130         return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1131 }
1132
1133 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1134 {
1135         return RTL_R32(TBICSR) & TBILinkOk;
1136 }
1137
1138 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1139 {
1140         return RTL_R8(PHYstatus) & LinkStatus;
1141 }
1142
1143 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1144 {
1145         void __iomem *ioaddr = tp->mmio_addr;
1146
1147         RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1148 }
1149
1150 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1151 {
1152         unsigned int val;
1153
1154         val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1155         rtl_writephy(tp, MII_BMCR, val & 0xffff);
1156 }
1157
1158 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1159 {
1160         void __iomem *ioaddr = tp->mmio_addr;
1161         struct net_device *dev = tp->dev;
1162
1163         if (!netif_running(dev))
1164                 return;
1165
1166         if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1167                 if (RTL_R8(PHYstatus) & _1000bpsF) {
1168                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1169                                       0x00000011, ERIAR_EXGMAC);
1170                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1171                                       0x00000005, ERIAR_EXGMAC);
1172                 } else if (RTL_R8(PHYstatus) & _100bps) {
1173                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1174                                       0x0000001f, ERIAR_EXGMAC);
1175                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1176                                       0x00000005, ERIAR_EXGMAC);
1177                 } else {
1178                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1179                                       0x0000001f, ERIAR_EXGMAC);
1180                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1181                                       0x0000003f, ERIAR_EXGMAC);
1182                 }
1183                 /* Reset packet filter */
1184                 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1185                              ERIAR_EXGMAC);
1186                 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1187                              ERIAR_EXGMAC);
1188         }
1189 }
1190
1191 static void __rtl8169_check_link_status(struct net_device *dev,
1192                                         struct rtl8169_private *tp,
1193                                         void __iomem *ioaddr, bool pm)
1194 {
1195         unsigned long flags;
1196
1197         spin_lock_irqsave(&tp->lock, flags);
1198         if (tp->link_ok(ioaddr)) {
1199                 rtl_link_chg_patch(tp);
1200                 /* This is to cancel a scheduled suspend if there's one. */
1201                 if (pm)
1202                         pm_request_resume(&tp->pci_dev->dev);
1203                 netif_carrier_on(dev);
1204                 if (net_ratelimit())
1205                         netif_info(tp, ifup, dev, "link up\n");
1206         } else {
1207                 netif_carrier_off(dev);
1208                 netif_info(tp, ifdown, dev, "link down\n");
1209                 if (pm)
1210                         pm_schedule_suspend(&tp->pci_dev->dev, 100);
1211         }
1212         spin_unlock_irqrestore(&tp->lock, flags);
1213 }
1214
1215 static void rtl8169_check_link_status(struct net_device *dev,
1216                                       struct rtl8169_private *tp,
1217                                       void __iomem *ioaddr)
1218 {
1219         __rtl8169_check_link_status(dev, tp, ioaddr, false);
1220 }
1221
1222 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1223
1224 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1225 {
1226         void __iomem *ioaddr = tp->mmio_addr;
1227         u8 options;
1228         u32 wolopts = 0;
1229
1230         options = RTL_R8(Config1);
1231         if (!(options & PMEnable))
1232                 return 0;
1233
1234         options = RTL_R8(Config3);
1235         if (options & LinkUp)
1236                 wolopts |= WAKE_PHY;
1237         if (options & MagicPacket)
1238                 wolopts |= WAKE_MAGIC;
1239
1240         options = RTL_R8(Config5);
1241         if (options & UWF)
1242                 wolopts |= WAKE_UCAST;
1243         if (options & BWF)
1244                 wolopts |= WAKE_BCAST;
1245         if (options & MWF)
1246                 wolopts |= WAKE_MCAST;
1247
1248         return wolopts;
1249 }
1250
1251 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1252 {
1253         struct rtl8169_private *tp = netdev_priv(dev);
1254
1255         spin_lock_irq(&tp->lock);
1256
1257         wol->supported = WAKE_ANY;
1258         wol->wolopts = __rtl8169_get_wol(tp);
1259
1260         spin_unlock_irq(&tp->lock);
1261 }
1262
1263 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1264 {
1265         void __iomem *ioaddr = tp->mmio_addr;
1266         unsigned int i;
1267         static const struct {
1268                 u32 opt;
1269                 u16 reg;
1270                 u8  mask;
1271         } cfg[] = {
1272                 { WAKE_ANY,   Config1, PMEnable },
1273                 { WAKE_PHY,   Config3, LinkUp },
1274                 { WAKE_MAGIC, Config3, MagicPacket },
1275                 { WAKE_UCAST, Config5, UWF },
1276                 { WAKE_BCAST, Config5, BWF },
1277                 { WAKE_MCAST, Config5, MWF },
1278                 { WAKE_ANY,   Config5, LanWake }
1279         };
1280
1281         RTL_W8(Cfg9346, Cfg9346_Unlock);
1282
1283         for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1284                 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1285                 if (wolopts & cfg[i].opt)
1286                         options |= cfg[i].mask;
1287                 RTL_W8(cfg[i].reg, options);
1288         }
1289
1290         RTL_W8(Cfg9346, Cfg9346_Lock);
1291 }
1292
1293 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1294 {
1295         struct rtl8169_private *tp = netdev_priv(dev);
1296
1297         spin_lock_irq(&tp->lock);
1298
1299         if (wol->wolopts)
1300                 tp->features |= RTL_FEATURE_WOL;
1301         else
1302                 tp->features &= ~RTL_FEATURE_WOL;
1303         __rtl8169_set_wol(tp, wol->wolopts);
1304         spin_unlock_irq(&tp->lock);
1305
1306         device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1307
1308         return 0;
1309 }
1310
1311 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1312 {
1313         return rtl_chip_infos[tp->mac_version].fw_name;
1314 }
1315
1316 static void rtl8169_get_drvinfo(struct net_device *dev,
1317                                 struct ethtool_drvinfo *info)
1318 {
1319         struct rtl8169_private *tp = netdev_priv(dev);
1320         struct rtl_fw *rtl_fw = tp->rtl_fw;
1321
1322         strcpy(info->driver, MODULENAME);
1323         strcpy(info->version, RTL8169_VERSION);
1324         strcpy(info->bus_info, pci_name(tp->pci_dev));
1325         BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1326         strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1327                rtl_fw->version);
1328 }
1329
1330 static int rtl8169_get_regs_len(struct net_device *dev)
1331 {
1332         return R8169_REGS_SIZE;
1333 }
1334
1335 static int rtl8169_set_speed_tbi(struct net_device *dev,
1336                                  u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1337 {
1338         struct rtl8169_private *tp = netdev_priv(dev);
1339         void __iomem *ioaddr = tp->mmio_addr;
1340         int ret = 0;
1341         u32 reg;
1342
1343         reg = RTL_R32(TBICSR);
1344         if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1345             (duplex == DUPLEX_FULL)) {
1346                 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1347         } else if (autoneg == AUTONEG_ENABLE)
1348                 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1349         else {
1350                 netif_warn(tp, link, dev,
1351                            "incorrect speed setting refused in TBI mode\n");
1352                 ret = -EOPNOTSUPP;
1353         }
1354
1355         return ret;
1356 }
1357
1358 static int rtl8169_set_speed_xmii(struct net_device *dev,
1359                                   u8 autoneg, u16 speed, u8 duplex, u32 adv)
1360 {
1361         struct rtl8169_private *tp = netdev_priv(dev);
1362         int giga_ctrl, bmcr;
1363         int rc = -EINVAL;
1364
1365         rtl_writephy(tp, 0x1f, 0x0000);
1366
1367         if (autoneg == AUTONEG_ENABLE) {
1368                 int auto_nego;
1369
1370                 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1371                 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1372                                 ADVERTISE_100HALF | ADVERTISE_100FULL);
1373
1374                 if (adv & ADVERTISED_10baseT_Half)
1375                         auto_nego |= ADVERTISE_10HALF;
1376                 if (adv & ADVERTISED_10baseT_Full)
1377                         auto_nego |= ADVERTISE_10FULL;
1378                 if (adv & ADVERTISED_100baseT_Half)
1379                         auto_nego |= ADVERTISE_100HALF;
1380                 if (adv & ADVERTISED_100baseT_Full)
1381                         auto_nego |= ADVERTISE_100FULL;
1382
1383                 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1384
1385                 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1386                 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1387
1388                 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1389                 if (tp->mii.supports_gmii) {
1390                         if (adv & ADVERTISED_1000baseT_Half)
1391                                 giga_ctrl |= ADVERTISE_1000HALF;
1392                         if (adv & ADVERTISED_1000baseT_Full)
1393                                 giga_ctrl |= ADVERTISE_1000FULL;
1394                 } else if (adv & (ADVERTISED_1000baseT_Half |
1395                                   ADVERTISED_1000baseT_Full)) {
1396                         netif_info(tp, link, dev,
1397                                    "PHY does not support 1000Mbps\n");
1398                         goto out;
1399                 }
1400
1401                 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1402
1403                 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1404                 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1405         } else {
1406                 giga_ctrl = 0;
1407
1408                 if (speed == SPEED_10)
1409                         bmcr = 0;
1410                 else if (speed == SPEED_100)
1411                         bmcr = BMCR_SPEED100;
1412                 else
1413                         goto out;
1414
1415                 if (duplex == DUPLEX_FULL)
1416                         bmcr |= BMCR_FULLDPLX;
1417         }
1418
1419         rtl_writephy(tp, MII_BMCR, bmcr);
1420
1421         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1422             tp->mac_version == RTL_GIGA_MAC_VER_03) {
1423                 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1424                         rtl_writephy(tp, 0x17, 0x2138);
1425                         rtl_writephy(tp, 0x0e, 0x0260);
1426                 } else {
1427                         rtl_writephy(tp, 0x17, 0x2108);
1428                         rtl_writephy(tp, 0x0e, 0x0000);
1429                 }
1430         }
1431
1432         rc = 0;
1433 out:
1434         return rc;
1435 }
1436
1437 static int rtl8169_set_speed(struct net_device *dev,
1438                              u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1439 {
1440         struct rtl8169_private *tp = netdev_priv(dev);
1441         int ret;
1442
1443         ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1444         if (ret < 0)
1445                 goto out;
1446
1447         if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1448             (advertising & ADVERTISED_1000baseT_Full)) {
1449                 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1450         }
1451 out:
1452         return ret;
1453 }
1454
1455 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1456 {
1457         struct rtl8169_private *tp = netdev_priv(dev);
1458         unsigned long flags;
1459         int ret;
1460
1461         del_timer_sync(&tp->timer);
1462
1463         spin_lock_irqsave(&tp->lock, flags);
1464         ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1465                                 cmd->duplex, cmd->advertising);
1466         spin_unlock_irqrestore(&tp->lock, flags);
1467
1468         return ret;
1469 }
1470
1471 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1472 {
1473         if (dev->mtu > TD_MSS_MAX)
1474                 features &= ~NETIF_F_ALL_TSO;
1475
1476         return features;
1477 }
1478
1479 static int rtl8169_set_features(struct net_device *dev, u32 features)
1480 {
1481         struct rtl8169_private *tp = netdev_priv(dev);
1482         void __iomem *ioaddr = tp->mmio_addr;
1483         unsigned long flags;
1484
1485         spin_lock_irqsave(&tp->lock, flags);
1486
1487         if (features & NETIF_F_RXCSUM)
1488                 tp->cp_cmd |= RxChkSum;
1489         else
1490                 tp->cp_cmd &= ~RxChkSum;
1491
1492         if (dev->features & NETIF_F_HW_VLAN_RX)
1493                 tp->cp_cmd |= RxVlan;
1494         else
1495                 tp->cp_cmd &= ~RxVlan;
1496
1497         RTL_W16(CPlusCmd, tp->cp_cmd);
1498         RTL_R16(CPlusCmd);
1499
1500         spin_unlock_irqrestore(&tp->lock, flags);
1501
1502         return 0;
1503 }
1504
1505 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1506                                       struct sk_buff *skb)
1507 {
1508         return (vlan_tx_tag_present(skb)) ?
1509                 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1510 }
1511
1512 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1513 {
1514         u32 opts2 = le32_to_cpu(desc->opts2);
1515
1516         if (opts2 & RxVlanTag)
1517                 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1518
1519         desc->opts2 = 0;
1520 }
1521
1522 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1523 {
1524         struct rtl8169_private *tp = netdev_priv(dev);
1525         void __iomem *ioaddr = tp->mmio_addr;
1526         u32 status;
1527
1528         cmd->supported =
1529                 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1530         cmd->port = PORT_FIBRE;
1531         cmd->transceiver = XCVR_INTERNAL;
1532
1533         status = RTL_R32(TBICSR);
1534         cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
1535         cmd->autoneg = !!(status & TBINwEnable);
1536
1537         ethtool_cmd_speed_set(cmd, SPEED_1000);
1538         cmd->duplex = DUPLEX_FULL; /* Always set */
1539
1540         return 0;
1541 }
1542
1543 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1544 {
1545         struct rtl8169_private *tp = netdev_priv(dev);
1546
1547         return mii_ethtool_gset(&tp->mii, cmd);
1548 }
1549
1550 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1551 {
1552         struct rtl8169_private *tp = netdev_priv(dev);
1553         unsigned long flags;
1554         int rc;
1555
1556         spin_lock_irqsave(&tp->lock, flags);
1557
1558         rc = tp->get_settings(dev, cmd);
1559
1560         spin_unlock_irqrestore(&tp->lock, flags);
1561         return rc;
1562 }
1563
1564 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1565                              void *p)
1566 {
1567         struct rtl8169_private *tp = netdev_priv(dev);
1568         unsigned long flags;
1569
1570         if (regs->len > R8169_REGS_SIZE)
1571                 regs->len = R8169_REGS_SIZE;
1572
1573         spin_lock_irqsave(&tp->lock, flags);
1574         memcpy_fromio(p, tp->mmio_addr, regs->len);
1575         spin_unlock_irqrestore(&tp->lock, flags);
1576 }
1577
1578 static u32 rtl8169_get_msglevel(struct net_device *dev)
1579 {
1580         struct rtl8169_private *tp = netdev_priv(dev);
1581
1582         return tp->msg_enable;
1583 }
1584
1585 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1586 {
1587         struct rtl8169_private *tp = netdev_priv(dev);
1588
1589         tp->msg_enable = value;
1590 }
1591
1592 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1593         "tx_packets",
1594         "rx_packets",
1595         "tx_errors",
1596         "rx_errors",
1597         "rx_missed",
1598         "align_errors",
1599         "tx_single_collisions",
1600         "tx_multi_collisions",
1601         "unicast",
1602         "broadcast",
1603         "multicast",
1604         "tx_aborted",
1605         "tx_underrun",
1606 };
1607
1608 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1609 {
1610         switch (sset) {
1611         case ETH_SS_STATS:
1612                 return ARRAY_SIZE(rtl8169_gstrings);
1613         default:
1614                 return -EOPNOTSUPP;
1615         }
1616 }
1617
1618 static void rtl8169_update_counters(struct net_device *dev)
1619 {
1620         struct rtl8169_private *tp = netdev_priv(dev);
1621         void __iomem *ioaddr = tp->mmio_addr;
1622         struct device *d = &tp->pci_dev->dev;
1623         struct rtl8169_counters *counters;
1624         dma_addr_t paddr;
1625         u32 cmd;
1626         int wait = 1000;
1627
1628         /*
1629          * Some chips are unable to dump tally counters when the receiver
1630          * is disabled.
1631          */
1632         if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1633                 return;
1634
1635         counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1636         if (!counters)
1637                 return;
1638
1639         RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1640         cmd = (u64)paddr & DMA_BIT_MASK(32);
1641         RTL_W32(CounterAddrLow, cmd);
1642         RTL_W32(CounterAddrLow, cmd | CounterDump);
1643
1644         while (wait--) {
1645                 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1646                         memcpy(&tp->counters, counters, sizeof(*counters));
1647                         break;
1648                 }
1649                 udelay(10);
1650         }
1651
1652         RTL_W32(CounterAddrLow, 0);
1653         RTL_W32(CounterAddrHigh, 0);
1654
1655         dma_free_coherent(d, sizeof(*counters), counters, paddr);
1656 }
1657
1658 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1659                                       struct ethtool_stats *stats, u64 *data)
1660 {
1661         struct rtl8169_private *tp = netdev_priv(dev);
1662
1663         ASSERT_RTNL();
1664
1665         rtl8169_update_counters(dev);
1666
1667         data[0] = le64_to_cpu(tp->counters.tx_packets);
1668         data[1] = le64_to_cpu(tp->counters.rx_packets);
1669         data[2] = le64_to_cpu(tp->counters.tx_errors);
1670         data[3] = le32_to_cpu(tp->counters.rx_errors);
1671         data[4] = le16_to_cpu(tp->counters.rx_missed);
1672         data[5] = le16_to_cpu(tp->counters.align_errors);
1673         data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1674         data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1675         data[8] = le64_to_cpu(tp->counters.rx_unicast);
1676         data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1677         data[10] = le32_to_cpu(tp->counters.rx_multicast);
1678         data[11] = le16_to_cpu(tp->counters.tx_aborted);
1679         data[12] = le16_to_cpu(tp->counters.tx_underun);
1680 }
1681
1682 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1683 {
1684         switch(stringset) {
1685         case ETH_SS_STATS:
1686                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1687                 break;
1688         }
1689 }
1690
1691 static const struct ethtool_ops rtl8169_ethtool_ops = {
1692         .get_drvinfo            = rtl8169_get_drvinfo,
1693         .get_regs_len           = rtl8169_get_regs_len,
1694         .get_link               = ethtool_op_get_link,
1695         .get_settings           = rtl8169_get_settings,
1696         .set_settings           = rtl8169_set_settings,
1697         .get_msglevel           = rtl8169_get_msglevel,
1698         .set_msglevel           = rtl8169_set_msglevel,
1699         .get_regs               = rtl8169_get_regs,
1700         .get_wol                = rtl8169_get_wol,
1701         .set_wol                = rtl8169_set_wol,
1702         .get_strings            = rtl8169_get_strings,
1703         .get_sset_count         = rtl8169_get_sset_count,
1704         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
1705 };
1706
1707 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1708                                     struct net_device *dev, u8 default_version)
1709 {
1710         void __iomem *ioaddr = tp->mmio_addr;
1711         /*
1712          * The driver currently handles the 8168Bf and the 8168Be identically
1713          * but they can be identified more specifically through the test below
1714          * if needed:
1715          *
1716          * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1717          *
1718          * Same thing for the 8101Eb and the 8101Ec:
1719          *
1720          * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1721          */
1722         static const struct rtl_mac_info {
1723                 u32 mask;
1724                 u32 val;
1725                 int mac_version;
1726         } mac_info[] = {
1727                 /* 8168E family. */
1728                 { 0x7c800000, 0x2c800000,       RTL_GIGA_MAC_VER_34 },
1729                 { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
1730                 { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
1731                 { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
1732
1733                 /* 8168D family. */
1734                 { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
1735                 { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
1736                 { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
1737
1738                 /* 8168DP family. */
1739                 { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
1740                 { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
1741                 { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
1742
1743                 /* 8168C family. */
1744                 { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
1745                 { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
1746                 { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
1747                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
1748                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
1749                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
1750                 { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
1751                 { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
1752                 { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
1753
1754                 /* 8168B family. */
1755                 { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
1756                 { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
1757                 { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
1758                 { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
1759
1760                 /* 8101 family. */
1761                 { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
1762                 { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
1763                 { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
1764                 { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
1765                 { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
1766                 { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
1767                 { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
1768                 { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
1769                 { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
1770                 { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
1771                 { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
1772                 { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
1773                 { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
1774                 { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
1775                 { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
1776                 { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
1777                 /* FIXME: where did these entries come from ? -- FR */
1778                 { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
1779                 { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
1780
1781                 /* 8110 family. */
1782                 { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
1783                 { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
1784                 { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
1785                 { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
1786                 { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
1787                 { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
1788
1789                 /* Catch-all */
1790                 { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
1791         };
1792         const struct rtl_mac_info *p = mac_info;
1793         u32 reg;
1794
1795         reg = RTL_R32(TxConfig);
1796         while ((reg & p->mask) != p->val)
1797                 p++;
1798         tp->mac_version = p->mac_version;
1799
1800         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1801                 netif_notice(tp, probe, dev,
1802                              "unknown MAC, using family default\n");
1803                 tp->mac_version = default_version;
1804         }
1805 }
1806
1807 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1808 {
1809         dprintk("mac_version = 0x%02x\n", tp->mac_version);
1810 }
1811
1812 struct phy_reg {
1813         u16 reg;
1814         u16 val;
1815 };
1816
1817 static void rtl_writephy_batch(struct rtl8169_private *tp,
1818                                const struct phy_reg *regs, int len)
1819 {
1820         while (len-- > 0) {
1821                 rtl_writephy(tp, regs->reg, regs->val);
1822                 regs++;
1823         }
1824 }
1825
1826 #define PHY_READ                0x00000000
1827 #define PHY_DATA_OR             0x10000000
1828 #define PHY_DATA_AND            0x20000000
1829 #define PHY_BJMPN               0x30000000
1830 #define PHY_READ_EFUSE          0x40000000
1831 #define PHY_READ_MAC_BYTE       0x50000000
1832 #define PHY_WRITE_MAC_BYTE      0x60000000
1833 #define PHY_CLEAR_READCOUNT     0x70000000
1834 #define PHY_WRITE               0x80000000
1835 #define PHY_READCOUNT_EQ_SKIP   0x90000000
1836 #define PHY_COMP_EQ_SKIPN       0xa0000000
1837 #define PHY_COMP_NEQ_SKIPN      0xb0000000
1838 #define PHY_WRITE_PREVIOUS      0xc0000000
1839 #define PHY_SKIPN               0xd0000000
1840 #define PHY_DELAY_MS            0xe0000000
1841 #define PHY_WRITE_ERI_WORD      0xf0000000
1842
1843 struct fw_info {
1844         u32     magic;
1845         char    version[RTL_VER_SIZE];
1846         __le32  fw_start;
1847         __le32  fw_len;
1848         u8      chksum;
1849 } __packed;
1850
1851 #define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1852
1853 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1854 {
1855         const struct firmware *fw = rtl_fw->fw;
1856         struct fw_info *fw_info = (struct fw_info *)fw->data;
1857         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1858         char *version = rtl_fw->version;
1859         bool rc = false;
1860
1861         if (fw->size < FW_OPCODE_SIZE)
1862                 goto out;
1863
1864         if (!fw_info->magic) {
1865                 size_t i, size, start;
1866                 u8 checksum = 0;
1867
1868                 if (fw->size < sizeof(*fw_info))
1869                         goto out;
1870
1871                 for (i = 0; i < fw->size; i++)
1872                         checksum += fw->data[i];
1873                 if (checksum != 0)
1874                         goto out;
1875
1876                 start = le32_to_cpu(fw_info->fw_start);
1877                 if (start > fw->size)
1878                         goto out;
1879
1880                 size = le32_to_cpu(fw_info->fw_len);
1881                 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1882                         goto out;
1883
1884                 memcpy(version, fw_info->version, RTL_VER_SIZE);
1885
1886                 pa->code = (__le32 *)(fw->data + start);
1887                 pa->size = size;
1888         } else {
1889                 if (fw->size % FW_OPCODE_SIZE)
1890                         goto out;
1891
1892                 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1893
1894                 pa->code = (__le32 *)fw->data;
1895                 pa->size = fw->size / FW_OPCODE_SIZE;
1896         }
1897         version[RTL_VER_SIZE - 1] = 0;
1898
1899         rc = true;
1900 out:
1901         return rc;
1902 }
1903
1904 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
1905                            struct rtl_fw_phy_action *pa)
1906 {
1907         bool rc = false;
1908         size_t index;
1909
1910         for (index = 0; index < pa->size; index++) {
1911                 u32 action = le32_to_cpu(pa->code[index]);
1912                 u32 regno = (action & 0x0fff0000) >> 16;
1913
1914                 switch(action & 0xf0000000) {
1915                 case PHY_READ:
1916                 case PHY_DATA_OR:
1917                 case PHY_DATA_AND:
1918                 case PHY_READ_EFUSE:
1919                 case PHY_CLEAR_READCOUNT:
1920                 case PHY_WRITE:
1921                 case PHY_WRITE_PREVIOUS:
1922                 case PHY_DELAY_MS:
1923                         break;
1924
1925                 case PHY_BJMPN:
1926                         if (regno > index) {
1927                                 netif_err(tp, ifup, tp->dev,
1928                                           "Out of range of firmware\n");
1929                                 goto out;
1930                         }
1931                         break;
1932                 case PHY_READCOUNT_EQ_SKIP:
1933                         if (index + 2 >= pa->size) {
1934                                 netif_err(tp, ifup, tp->dev,
1935                                           "Out of range of firmware\n");
1936                                 goto out;
1937                         }
1938                         break;
1939                 case PHY_COMP_EQ_SKIPN:
1940                 case PHY_COMP_NEQ_SKIPN:
1941                 case PHY_SKIPN:
1942                         if (index + 1 + regno >= pa->size) {
1943                                 netif_err(tp, ifup, tp->dev,
1944                                           "Out of range of firmware\n");
1945                                 goto out;
1946                         }
1947                         break;
1948
1949                 case PHY_READ_MAC_BYTE:
1950                 case PHY_WRITE_MAC_BYTE:
1951                 case PHY_WRITE_ERI_WORD:
1952                 default:
1953                         netif_err(tp, ifup, tp->dev,
1954                                   "Invalid action 0x%08x\n", action);
1955                         goto out;
1956                 }
1957         }
1958         rc = true;
1959 out:
1960         return rc;
1961 }
1962
1963 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1964 {
1965         struct net_device *dev = tp->dev;
1966         int rc = -EINVAL;
1967
1968         if (!rtl_fw_format_ok(tp, rtl_fw)) {
1969                 netif_err(tp, ifup, dev, "invalid firwmare\n");
1970                 goto out;
1971         }
1972
1973         if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
1974                 rc = 0;
1975 out:
1976         return rc;
1977 }
1978
1979 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1980 {
1981         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1982         u32 predata, count;
1983         size_t index;
1984
1985         predata = count = 0;
1986
1987         for (index = 0; index < pa->size; ) {
1988                 u32 action = le32_to_cpu(pa->code[index]);
1989                 u32 data = action & 0x0000ffff;
1990                 u32 regno = (action & 0x0fff0000) >> 16;
1991
1992                 if (!action)
1993                         break;
1994
1995                 switch(action & 0xf0000000) {
1996                 case PHY_READ:
1997                         predata = rtl_readphy(tp, regno);
1998                         count++;
1999                         index++;
2000                         break;
2001                 case PHY_DATA_OR:
2002                         predata |= data;
2003                         index++;
2004                         break;
2005                 case PHY_DATA_AND:
2006                         predata &= data;
2007                         index++;
2008                         break;
2009                 case PHY_BJMPN:
2010                         index -= regno;
2011                         break;
2012                 case PHY_READ_EFUSE:
2013                         predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2014                         index++;
2015                         break;
2016                 case PHY_CLEAR_READCOUNT:
2017                         count = 0;
2018                         index++;
2019                         break;
2020                 case PHY_WRITE:
2021                         rtl_writephy(tp, regno, data);
2022                         index++;
2023                         break;
2024                 case PHY_READCOUNT_EQ_SKIP:
2025                         index += (count == data) ? 2 : 1;
2026                         break;
2027                 case PHY_COMP_EQ_SKIPN:
2028                         if (predata == data)
2029                                 index += regno;
2030                         index++;
2031                         break;
2032                 case PHY_COMP_NEQ_SKIPN:
2033                         if (predata != data)
2034                                 index += regno;
2035                         index++;
2036                         break;
2037                 case PHY_WRITE_PREVIOUS:
2038                         rtl_writephy(tp, regno, predata);
2039                         index++;
2040                         break;
2041                 case PHY_SKIPN:
2042                         index += regno + 1;
2043                         break;
2044                 case PHY_DELAY_MS:
2045                         mdelay(data);
2046                         index++;
2047                         break;
2048
2049                 case PHY_READ_MAC_BYTE:
2050                 case PHY_WRITE_MAC_BYTE:
2051                 case PHY_WRITE_ERI_WORD:
2052                 default:
2053                         BUG();
2054                 }
2055         }
2056 }
2057
2058 static void rtl_release_firmware(struct rtl8169_private *tp)
2059 {
2060         if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2061                 release_firmware(tp->rtl_fw->fw);
2062                 kfree(tp->rtl_fw);
2063         }
2064         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2065 }
2066
2067 static void rtl_apply_firmware(struct rtl8169_private *tp)
2068 {
2069         struct rtl_fw *rtl_fw = tp->rtl_fw;
2070
2071         /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2072         if (!IS_ERR_OR_NULL(rtl_fw))
2073                 rtl_phy_write_fw(tp, rtl_fw);
2074 }
2075
2076 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2077 {
2078         if (rtl_readphy(tp, reg) != val)
2079                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2080         else
2081                 rtl_apply_firmware(tp);
2082 }
2083
2084 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2085 {
2086         static const struct phy_reg phy_reg_init[] = {
2087                 { 0x1f, 0x0001 },
2088                 { 0x06, 0x006e },
2089                 { 0x08, 0x0708 },
2090                 { 0x15, 0x4000 },
2091                 { 0x18, 0x65c7 },
2092
2093                 { 0x1f, 0x0001 },
2094                 { 0x03, 0x00a1 },
2095                 { 0x02, 0x0008 },
2096                 { 0x01, 0x0120 },
2097                 { 0x00, 0x1000 },
2098                 { 0x04, 0x0800 },
2099                 { 0x04, 0x0000 },
2100
2101                 { 0x03, 0xff41 },
2102                 { 0x02, 0xdf60 },
2103                 { 0x01, 0x0140 },
2104                 { 0x00, 0x0077 },
2105                 { 0x04, 0x7800 },
2106                 { 0x04, 0x7000 },
2107
2108                 { 0x03, 0x802f },
2109                 { 0x02, 0x4f02 },
2110                 { 0x01, 0x0409 },
2111                 { 0x00, 0xf0f9 },
2112                 { 0x04, 0x9800 },
2113                 { 0x04, 0x9000 },
2114
2115                 { 0x03, 0xdf01 },
2116                 { 0x02, 0xdf20 },
2117                 { 0x01, 0xff95 },
2118                 { 0x00, 0xba00 },
2119                 { 0x04, 0xa800 },
2120                 { 0x04, 0xa000 },
2121
2122                 { 0x03, 0xff41 },
2123                 { 0x02, 0xdf20 },
2124                 { 0x01, 0x0140 },
2125                 { 0x00, 0x00bb },
2126                 { 0x04, 0xb800 },
2127                 { 0x04, 0xb000 },
2128
2129                 { 0x03, 0xdf41 },
2130                 { 0x02, 0xdc60 },
2131                 { 0x01, 0x6340 },
2132                 { 0x00, 0x007d },
2133                 { 0x04, 0xd800 },
2134                 { 0x04, 0xd000 },
2135
2136                 { 0x03, 0xdf01 },
2137                 { 0x02, 0xdf20 },
2138                 { 0x01, 0x100a },
2139                 { 0x00, 0xa0ff },
2140                 { 0x04, 0xf800 },
2141                 { 0x04, 0xf000 },
2142
2143                 { 0x1f, 0x0000 },
2144                 { 0x0b, 0x0000 },
2145                 { 0x00, 0x9200 }
2146         };
2147
2148         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2149 }
2150
2151 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2152 {
2153         static const struct phy_reg phy_reg_init[] = {
2154                 { 0x1f, 0x0002 },
2155                 { 0x01, 0x90d0 },
2156                 { 0x1f, 0x0000 }
2157         };
2158
2159         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2160 }
2161
2162 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2163 {
2164         struct pci_dev *pdev = tp->pci_dev;
2165         u16 vendor_id, device_id;
2166
2167         pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
2168         pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
2169
2170         if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
2171                 return;
2172
2173         rtl_writephy(tp, 0x1f, 0x0001);
2174         rtl_writephy(tp, 0x10, 0xf01b);
2175         rtl_writephy(tp, 0x1f, 0x0000);
2176 }
2177
2178 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2179 {
2180         static const struct phy_reg phy_reg_init[] = {
2181                 { 0x1f, 0x0001 },
2182                 { 0x04, 0x0000 },
2183                 { 0x03, 0x00a1 },
2184                 { 0x02, 0x0008 },
2185                 { 0x01, 0x0120 },
2186                 { 0x00, 0x1000 },
2187                 { 0x04, 0x0800 },
2188                 { 0x04, 0x9000 },
2189                 { 0x03, 0x802f },
2190                 { 0x02, 0x4f02 },
2191                 { 0x01, 0x0409 },
2192                 { 0x00, 0xf099 },
2193                 { 0x04, 0x9800 },
2194                 { 0x04, 0xa000 },
2195                 { 0x03, 0xdf01 },
2196                 { 0x02, 0xdf20 },
2197                 { 0x01, 0xff95 },
2198                 { 0x00, 0xba00 },
2199                 { 0x04, 0xa800 },
2200                 { 0x04, 0xf000 },
2201                 { 0x03, 0xdf01 },
2202                 { 0x02, 0xdf20 },
2203                 { 0x01, 0x101a },
2204                 { 0x00, 0xa0ff },
2205                 { 0x04, 0xf800 },
2206                 { 0x04, 0x0000 },
2207                 { 0x1f, 0x0000 },
2208
2209                 { 0x1f, 0x0001 },
2210                 { 0x10, 0xf41b },
2211                 { 0x14, 0xfb54 },
2212                 { 0x18, 0xf5c7 },
2213                 { 0x1f, 0x0000 },
2214
2215                 { 0x1f, 0x0001 },
2216                 { 0x17, 0x0cc0 },
2217                 { 0x1f, 0x0000 }
2218         };
2219
2220         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2221
2222         rtl8169scd_hw_phy_config_quirk(tp);
2223 }
2224
2225 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2226 {
2227         static const struct phy_reg phy_reg_init[] = {
2228                 { 0x1f, 0x0001 },
2229                 { 0x04, 0x0000 },
2230                 { 0x03, 0x00a1 },
2231                 { 0x02, 0x0008 },
2232                 { 0x01, 0x0120 },
2233                 { 0x00, 0x1000 },
2234                 { 0x04, 0x0800 },
2235                 { 0x04, 0x9000 },
2236                 { 0x03, 0x802f },
2237                 { 0x02, 0x4f02 },
2238                 { 0x01, 0x0409 },
2239                 { 0x00, 0xf099 },
2240                 { 0x04, 0x9800 },
2241                 { 0x04, 0xa000 },
2242                 { 0x03, 0xdf01 },
2243                 { 0x02, 0xdf20 },
2244                 { 0x01, 0xff95 },
2245                 { 0x00, 0xba00 },
2246                 { 0x04, 0xa800 },
2247                 { 0x04, 0xf000 },
2248                 { 0x03, 0xdf01 },
2249                 { 0x02, 0xdf20 },
2250                 { 0x01, 0x101a },
2251                 { 0x00, 0xa0ff },
2252                 { 0x04, 0xf800 },
2253                 { 0x04, 0x0000 },
2254                 { 0x1f, 0x0000 },
2255
2256                 { 0x1f, 0x0001 },
2257                 { 0x0b, 0x8480 },
2258                 { 0x1f, 0x0000 },
2259
2260                 { 0x1f, 0x0001 },
2261                 { 0x18, 0x67c7 },
2262                 { 0x04, 0x2000 },
2263                 { 0x03, 0x002f },
2264                 { 0x02, 0x4360 },
2265                 { 0x01, 0x0109 },
2266                 { 0x00, 0x3022 },
2267                 { 0x04, 0x2800 },
2268                 { 0x1f, 0x0000 },
2269
2270                 { 0x1f, 0x0001 },
2271                 { 0x17, 0x0cc0 },
2272                 { 0x1f, 0x0000 }
2273         };
2274
2275         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2276 }
2277
2278 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2279 {
2280         static const struct phy_reg phy_reg_init[] = {
2281                 { 0x10, 0xf41b },
2282                 { 0x1f, 0x0000 }
2283         };
2284
2285         rtl_writephy(tp, 0x1f, 0x0001);
2286         rtl_patchphy(tp, 0x16, 1 << 0);
2287
2288         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2289 }
2290
2291 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2292 {
2293         static const struct phy_reg phy_reg_init[] = {
2294                 { 0x1f, 0x0001 },
2295                 { 0x10, 0xf41b },
2296                 { 0x1f, 0x0000 }
2297         };
2298
2299         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2300 }
2301
2302 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2303 {
2304         static const struct phy_reg phy_reg_init[] = {
2305                 { 0x1f, 0x0000 },
2306                 { 0x1d, 0x0f00 },
2307                 { 0x1f, 0x0002 },
2308                 { 0x0c, 0x1ec8 },
2309                 { 0x1f, 0x0000 }
2310         };
2311
2312         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2313 }
2314
2315 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2316 {
2317         static const struct phy_reg phy_reg_init[] = {
2318                 { 0x1f, 0x0001 },
2319                 { 0x1d, 0x3d98 },
2320                 { 0x1f, 0x0000 }
2321         };
2322
2323         rtl_writephy(tp, 0x1f, 0x0000);
2324         rtl_patchphy(tp, 0x14, 1 << 5);
2325         rtl_patchphy(tp, 0x0d, 1 << 5);
2326
2327         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2328 }
2329
2330 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2331 {
2332         static const struct phy_reg phy_reg_init[] = {
2333                 { 0x1f, 0x0001 },
2334                 { 0x12, 0x2300 },
2335                 { 0x1f, 0x0002 },
2336                 { 0x00, 0x88d4 },
2337                 { 0x01, 0x82b1 },
2338                 { 0x03, 0x7002 },
2339                 { 0x08, 0x9e30 },
2340                 { 0x09, 0x01f0 },
2341                 { 0x0a, 0x5500 },
2342                 { 0x0c, 0x00c8 },
2343                 { 0x1f, 0x0003 },
2344                 { 0x12, 0xc096 },
2345                 { 0x16, 0x000a },
2346                 { 0x1f, 0x0000 },
2347                 { 0x1f, 0x0000 },
2348                 { 0x09, 0x2000 },
2349                 { 0x09, 0x0000 }
2350         };
2351
2352         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2353
2354         rtl_patchphy(tp, 0x14, 1 << 5);
2355         rtl_patchphy(tp, 0x0d, 1 << 5);
2356         rtl_writephy(tp, 0x1f, 0x0000);
2357 }
2358
2359 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2360 {
2361         static const struct phy_reg phy_reg_init[] = {
2362                 { 0x1f, 0x0001 },
2363                 { 0x12, 0x2300 },
2364                 { 0x03, 0x802f },
2365                 { 0x02, 0x4f02 },
2366                 { 0x01, 0x0409 },
2367                 { 0x00, 0xf099 },
2368                 { 0x04, 0x9800 },
2369                 { 0x04, 0x9000 },
2370                 { 0x1d, 0x3d98 },
2371                 { 0x1f, 0x0002 },
2372                 { 0x0c, 0x7eb8 },
2373                 { 0x06, 0x0761 },
2374                 { 0x1f, 0x0003 },
2375                 { 0x16, 0x0f0a },
2376                 { 0x1f, 0x0000 }
2377         };
2378
2379         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2380
2381         rtl_patchphy(tp, 0x16, 1 << 0);
2382         rtl_patchphy(tp, 0x14, 1 << 5);
2383         rtl_patchphy(tp, 0x0d, 1 << 5);
2384         rtl_writephy(tp, 0x1f, 0x0000);
2385 }
2386
2387 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2388 {
2389         static const struct phy_reg phy_reg_init[] = {
2390                 { 0x1f, 0x0001 },
2391                 { 0x12, 0x2300 },
2392                 { 0x1d, 0x3d98 },
2393                 { 0x1f, 0x0002 },
2394                 { 0x0c, 0x7eb8 },
2395                 { 0x06, 0x5461 },
2396                 { 0x1f, 0x0003 },
2397                 { 0x16, 0x0f0a },
2398                 { 0x1f, 0x0000 }
2399         };
2400
2401         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2402
2403         rtl_patchphy(tp, 0x16, 1 << 0);
2404         rtl_patchphy(tp, 0x14, 1 << 5);
2405         rtl_patchphy(tp, 0x0d, 1 << 5);
2406         rtl_writephy(tp, 0x1f, 0x0000);
2407 }
2408
2409 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2410 {
2411         rtl8168c_3_hw_phy_config(tp);
2412 }
2413
2414 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2415 {
2416         static const struct phy_reg phy_reg_init_0[] = {
2417                 /* Channel Estimation */
2418                 { 0x1f, 0x0001 },
2419                 { 0x06, 0x4064 },
2420                 { 0x07, 0x2863 },
2421                 { 0x08, 0x059c },
2422                 { 0x09, 0x26b4 },
2423                 { 0x0a, 0x6a19 },
2424                 { 0x0b, 0xdcc8 },
2425                 { 0x10, 0xf06d },
2426                 { 0x14, 0x7f68 },
2427                 { 0x18, 0x7fd9 },
2428                 { 0x1c, 0xf0ff },
2429                 { 0x1d, 0x3d9c },
2430                 { 0x1f, 0x0003 },
2431                 { 0x12, 0xf49f },
2432                 { 0x13, 0x070b },
2433                 { 0x1a, 0x05ad },
2434                 { 0x14, 0x94c0 },
2435
2436                 /*
2437                  * Tx Error Issue
2438                  * Enhance line driver power
2439                  */
2440                 { 0x1f, 0x0002 },
2441                 { 0x06, 0x5561 },
2442                 { 0x1f, 0x0005 },
2443                 { 0x05, 0x8332 },
2444                 { 0x06, 0x5561 },
2445
2446                 /*
2447                  * Can not link to 1Gbps with bad cable
2448                  * Decrease SNR threshold form 21.07dB to 19.04dB
2449                  */
2450                 { 0x1f, 0x0001 },
2451                 { 0x17, 0x0cc0 },
2452
2453                 { 0x1f, 0x0000 },
2454                 { 0x0d, 0xf880 }
2455         };
2456         void __iomem *ioaddr = tp->mmio_addr;
2457
2458         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2459
2460         /*
2461          * Rx Error Issue
2462          * Fine Tune Switching regulator parameter
2463          */
2464         rtl_writephy(tp, 0x1f, 0x0002);
2465         rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2466         rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2467
2468         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2469                 static const struct phy_reg phy_reg_init[] = {
2470                         { 0x1f, 0x0002 },
2471                         { 0x05, 0x669a },
2472                         { 0x1f, 0x0005 },
2473                         { 0x05, 0x8330 },
2474                         { 0x06, 0x669a },
2475                         { 0x1f, 0x0002 }
2476                 };
2477                 int val;
2478
2479                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2480
2481                 val = rtl_readphy(tp, 0x0d);
2482
2483                 if ((val & 0x00ff) != 0x006c) {
2484                         static const u32 set[] = {
2485                                 0x0065, 0x0066, 0x0067, 0x0068,
2486                                 0x0069, 0x006a, 0x006b, 0x006c
2487                         };
2488                         int i;
2489
2490                         rtl_writephy(tp, 0x1f, 0x0002);
2491
2492                         val &= 0xff00;
2493                         for (i = 0; i < ARRAY_SIZE(set); i++)
2494                                 rtl_writephy(tp, 0x0d, val | set[i]);
2495                 }
2496         } else {
2497                 static const struct phy_reg phy_reg_init[] = {
2498                         { 0x1f, 0x0002 },
2499                         { 0x05, 0x6662 },
2500                         { 0x1f, 0x0005 },
2501                         { 0x05, 0x8330 },
2502                         { 0x06, 0x6662 }
2503                 };
2504
2505                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2506         }
2507
2508         /* RSET couple improve */
2509         rtl_writephy(tp, 0x1f, 0x0002);
2510         rtl_patchphy(tp, 0x0d, 0x0300);
2511         rtl_patchphy(tp, 0x0f, 0x0010);
2512
2513         /* Fine tune PLL performance */
2514         rtl_writephy(tp, 0x1f, 0x0002);
2515         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2516         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2517
2518         rtl_writephy(tp, 0x1f, 0x0005);
2519         rtl_writephy(tp, 0x05, 0x001b);
2520
2521         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2522
2523         rtl_writephy(tp, 0x1f, 0x0000);
2524 }
2525
2526 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2527 {
2528         static const struct phy_reg phy_reg_init_0[] = {
2529                 /* Channel Estimation */
2530                 { 0x1f, 0x0001 },
2531                 { 0x06, 0x4064 },
2532                 { 0x07, 0x2863 },
2533                 { 0x08, 0x059c },
2534                 { 0x09, 0x26b4 },
2535                 { 0x0a, 0x6a19 },
2536                 { 0x0b, 0xdcc8 },
2537                 { 0x10, 0xf06d },
2538                 { 0x14, 0x7f68 },
2539                 { 0x18, 0x7fd9 },
2540                 { 0x1c, 0xf0ff },
2541                 { 0x1d, 0x3d9c },
2542                 { 0x1f, 0x0003 },
2543                 { 0x12, 0xf49f },
2544                 { 0x13, 0x070b },
2545                 { 0x1a, 0x05ad },
2546                 { 0x14, 0x94c0 },
2547
2548                 /*
2549                  * Tx Error Issue
2550                  * Enhance line driver power
2551                  */
2552                 { 0x1f, 0x0002 },
2553                 { 0x06, 0x5561 },
2554                 { 0x1f, 0x0005 },
2555                 { 0x05, 0x8332 },
2556                 { 0x06, 0x5561 },
2557
2558                 /*
2559                  * Can not link to 1Gbps with bad cable
2560                  * Decrease SNR threshold form 21.07dB to 19.04dB
2561                  */
2562                 { 0x1f, 0x0001 },
2563                 { 0x17, 0x0cc0 },
2564
2565                 { 0x1f, 0x0000 },
2566                 { 0x0d, 0xf880 }
2567         };
2568         void __iomem *ioaddr = tp->mmio_addr;
2569
2570         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2571
2572         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2573                 static const struct phy_reg phy_reg_init[] = {
2574                         { 0x1f, 0x0002 },
2575                         { 0x05, 0x669a },
2576                         { 0x1f, 0x0005 },
2577                         { 0x05, 0x8330 },
2578                         { 0x06, 0x669a },
2579
2580                         { 0x1f, 0x0002 }
2581                 };
2582                 int val;
2583
2584                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2585
2586                 val = rtl_readphy(tp, 0x0d);
2587                 if ((val & 0x00ff) != 0x006c) {
2588                         static const u32 set[] = {
2589                                 0x0065, 0x0066, 0x0067, 0x0068,
2590                                 0x0069, 0x006a, 0x006b, 0x006c
2591                         };
2592                         int i;
2593
2594                         rtl_writephy(tp, 0x1f, 0x0002);
2595
2596                         val &= 0xff00;
2597                         for (i = 0; i < ARRAY_SIZE(set); i++)
2598                                 rtl_writephy(tp, 0x0d, val | set[i]);
2599                 }
2600         } else {
2601                 static const struct phy_reg phy_reg_init[] = {
2602                         { 0x1f, 0x0002 },
2603                         { 0x05, 0x2642 },
2604                         { 0x1f, 0x0005 },
2605                         { 0x05, 0x8330 },
2606                         { 0x06, 0x2642 }
2607                 };
2608
2609                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2610         }
2611
2612         /* Fine tune PLL performance */
2613         rtl_writephy(tp, 0x1f, 0x0002);
2614         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2615         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2616
2617         /* Switching regulator Slew rate */
2618         rtl_writephy(tp, 0x1f, 0x0002);
2619         rtl_patchphy(tp, 0x0f, 0x0017);
2620
2621         rtl_writephy(tp, 0x1f, 0x0005);
2622         rtl_writephy(tp, 0x05, 0x001b);
2623
2624         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2625
2626         rtl_writephy(tp, 0x1f, 0x0000);
2627 }
2628
2629 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2630 {
2631         static const struct phy_reg phy_reg_init[] = {
2632                 { 0x1f, 0x0002 },
2633                 { 0x10, 0x0008 },
2634                 { 0x0d, 0x006c },
2635
2636                 { 0x1f, 0x0000 },
2637                 { 0x0d, 0xf880 },
2638
2639                 { 0x1f, 0x0001 },
2640                 { 0x17, 0x0cc0 },
2641
2642                 { 0x1f, 0x0001 },
2643                 { 0x0b, 0xa4d8 },
2644                 { 0x09, 0x281c },
2645                 { 0x07, 0x2883 },
2646                 { 0x0a, 0x6b35 },
2647                 { 0x1d, 0x3da4 },
2648                 { 0x1c, 0xeffd },
2649                 { 0x14, 0x7f52 },
2650                 { 0x18, 0x7fc6 },
2651                 { 0x08, 0x0601 },
2652                 { 0x06, 0x4063 },
2653                 { 0x10, 0xf074 },
2654                 { 0x1f, 0x0003 },
2655                 { 0x13, 0x0789 },
2656                 { 0x12, 0xf4bd },
2657                 { 0x1a, 0x04fd },
2658                 { 0x14, 0x84b0 },
2659                 { 0x1f, 0x0000 },
2660                 { 0x00, 0x9200 },
2661
2662                 { 0x1f, 0x0005 },
2663                 { 0x01, 0x0340 },
2664                 { 0x1f, 0x0001 },
2665                 { 0x04, 0x4000 },
2666                 { 0x03, 0x1d21 },
2667                 { 0x02, 0x0c32 },
2668                 { 0x01, 0x0200 },
2669                 { 0x00, 0x5554 },
2670                 { 0x04, 0x4800 },
2671                 { 0x04, 0x4000 },
2672                 { 0x04, 0xf000 },
2673                 { 0x03, 0xdf01 },
2674                 { 0x02, 0xdf20 },
2675                 { 0x01, 0x101a },
2676                 { 0x00, 0xa0ff },
2677                 { 0x04, 0xf800 },
2678                 { 0x04, 0xf000 },
2679                 { 0x1f, 0x0000 },
2680
2681                 { 0x1f, 0x0007 },
2682                 { 0x1e, 0x0023 },
2683                 { 0x16, 0x0000 },
2684                 { 0x1f, 0x0000 }
2685         };
2686
2687         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2688 }
2689
2690 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2691 {
2692         static const struct phy_reg phy_reg_init[] = {
2693                 { 0x1f, 0x0001 },
2694                 { 0x17, 0x0cc0 },
2695
2696                 { 0x1f, 0x0007 },
2697                 { 0x1e, 0x002d },
2698                 { 0x18, 0x0040 },
2699                 { 0x1f, 0x0000 }
2700         };
2701
2702         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2703         rtl_patchphy(tp, 0x0d, 1 << 5);
2704 }
2705
2706 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2707 {
2708         static const struct phy_reg phy_reg_init[] = {
2709                 /* Enable Delay cap */
2710                 { 0x1f, 0x0005 },
2711                 { 0x05, 0x8b80 },
2712                 { 0x06, 0xc896 },
2713                 { 0x1f, 0x0000 },
2714
2715                 /* Channel estimation fine tune */
2716                 { 0x1f, 0x0001 },
2717                 { 0x0b, 0x6c20 },
2718                 { 0x07, 0x2872 },
2719                 { 0x1c, 0xefff },
2720                 { 0x1f, 0x0003 },
2721                 { 0x14, 0x6420 },
2722                 { 0x1f, 0x0000 },
2723
2724                 /* Update PFM & 10M TX idle timer */
2725                 { 0x1f, 0x0007 },
2726                 { 0x1e, 0x002f },
2727                 { 0x15, 0x1919 },
2728                 { 0x1f, 0x0000 },
2729
2730                 { 0x1f, 0x0007 },
2731                 { 0x1e, 0x00ac },
2732                 { 0x18, 0x0006 },
2733                 { 0x1f, 0x0000 }
2734         };
2735
2736         rtl_apply_firmware(tp);
2737
2738         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2739
2740         /* DCO enable for 10M IDLE Power */
2741         rtl_writephy(tp, 0x1f, 0x0007);
2742         rtl_writephy(tp, 0x1e, 0x0023);
2743         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2744         rtl_writephy(tp, 0x1f, 0x0000);
2745
2746         /* For impedance matching */
2747         rtl_writephy(tp, 0x1f, 0x0002);
2748         rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2749         rtl_writephy(tp, 0x1f, 0x0000);
2750
2751         /* PHY auto speed down */
2752         rtl_writephy(tp, 0x1f, 0x0007);
2753         rtl_writephy(tp, 0x1e, 0x002d);
2754         rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2755         rtl_writephy(tp, 0x1f, 0x0000);
2756         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2757
2758         rtl_writephy(tp, 0x1f, 0x0005);
2759         rtl_writephy(tp, 0x05, 0x8b86);
2760         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2761         rtl_writephy(tp, 0x1f, 0x0000);
2762
2763         rtl_writephy(tp, 0x1f, 0x0005);
2764         rtl_writephy(tp, 0x05, 0x8b85);
2765         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2766         rtl_writephy(tp, 0x1f, 0x0007);
2767         rtl_writephy(tp, 0x1e, 0x0020);
2768         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2769         rtl_writephy(tp, 0x1f, 0x0006);
2770         rtl_writephy(tp, 0x00, 0x5a00);
2771         rtl_writephy(tp, 0x1f, 0x0000);
2772         rtl_writephy(tp, 0x0d, 0x0007);
2773         rtl_writephy(tp, 0x0e, 0x003c);
2774         rtl_writephy(tp, 0x0d, 0x4007);
2775         rtl_writephy(tp, 0x0e, 0x0000);
2776         rtl_writephy(tp, 0x0d, 0x0000);
2777 }
2778
2779 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2780 {
2781         static const struct phy_reg phy_reg_init[] = {
2782                 /* Enable Delay cap */
2783                 { 0x1f, 0x0004 },
2784                 { 0x1f, 0x0007 },
2785                 { 0x1e, 0x00ac },
2786                 { 0x18, 0x0006 },
2787                 { 0x1f, 0x0002 },
2788                 { 0x1f, 0x0000 },
2789                 { 0x1f, 0x0000 },
2790
2791                 /* Channel estimation fine tune */
2792                 { 0x1f, 0x0003 },
2793                 { 0x09, 0xa20f },
2794                 { 0x1f, 0x0000 },
2795                 { 0x1f, 0x0000 },
2796
2797                 /* Green Setting */
2798                 { 0x1f, 0x0005 },
2799                 { 0x05, 0x8b5b },
2800                 { 0x06, 0x9222 },
2801                 { 0x05, 0x8b6d },
2802                 { 0x06, 0x8000 },
2803                 { 0x05, 0x8b76 },
2804                 { 0x06, 0x8000 },
2805                 { 0x1f, 0x0000 }
2806         };
2807
2808         rtl_apply_firmware(tp);
2809
2810         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2811
2812         /* For 4-corner performance improve */
2813         rtl_writephy(tp, 0x1f, 0x0005);
2814         rtl_writephy(tp, 0x05, 0x8b80);
2815         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2816         rtl_writephy(tp, 0x1f, 0x0000);
2817
2818         /* PHY auto speed down */
2819         rtl_writephy(tp, 0x1f, 0x0004);
2820         rtl_writephy(tp, 0x1f, 0x0007);
2821         rtl_writephy(tp, 0x1e, 0x002d);
2822         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2823         rtl_writephy(tp, 0x1f, 0x0002);
2824         rtl_writephy(tp, 0x1f, 0x0000);
2825         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2826
2827         /* improve 10M EEE waveform */
2828         rtl_writephy(tp, 0x1f, 0x0005);
2829         rtl_writephy(tp, 0x05, 0x8b86);
2830         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2831         rtl_writephy(tp, 0x1f, 0x0000);
2832
2833         /* Improve 2-pair detection performance */
2834         rtl_writephy(tp, 0x1f, 0x0005);
2835         rtl_writephy(tp, 0x05, 0x8b85);
2836         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2837         rtl_writephy(tp, 0x1f, 0x0000);
2838
2839         /* EEE setting */
2840         rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2841                      ERIAR_EXGMAC);
2842         rtl_writephy(tp, 0x1f, 0x0005);
2843         rtl_writephy(tp, 0x05, 0x8b85);
2844         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2845         rtl_writephy(tp, 0x1f, 0x0004);
2846         rtl_writephy(tp, 0x1f, 0x0007);
2847         rtl_writephy(tp, 0x1e, 0x0020);
2848         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
2849         rtl_writephy(tp, 0x1f, 0x0002);
2850         rtl_writephy(tp, 0x1f, 0x0000);
2851         rtl_writephy(tp, 0x0d, 0x0007);
2852         rtl_writephy(tp, 0x0e, 0x003c);
2853         rtl_writephy(tp, 0x0d, 0x4007);
2854         rtl_writephy(tp, 0x0e, 0x0000);
2855         rtl_writephy(tp, 0x0d, 0x0000);
2856
2857         /* Green feature */
2858         rtl_writephy(tp, 0x1f, 0x0003);
2859         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2860         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2861         rtl_writephy(tp, 0x1f, 0x0000);
2862 }
2863
2864 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2865 {
2866         static const struct phy_reg phy_reg_init[] = {
2867                 { 0x1f, 0x0003 },
2868                 { 0x08, 0x441d },
2869                 { 0x01, 0x9100 },
2870                 { 0x1f, 0x0000 }
2871         };
2872
2873         rtl_writephy(tp, 0x1f, 0x0000);
2874         rtl_patchphy(tp, 0x11, 1 << 12);
2875         rtl_patchphy(tp, 0x19, 1 << 13);
2876         rtl_patchphy(tp, 0x10, 1 << 15);
2877
2878         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2879 }
2880
2881 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2882 {
2883         static const struct phy_reg phy_reg_init[] = {
2884                 { 0x1f, 0x0005 },
2885                 { 0x1a, 0x0000 },
2886                 { 0x1f, 0x0000 },
2887
2888                 { 0x1f, 0x0004 },
2889                 { 0x1c, 0x0000 },
2890                 { 0x1f, 0x0000 },
2891
2892                 { 0x1f, 0x0001 },
2893                 { 0x15, 0x7701 },
2894                 { 0x1f, 0x0000 }
2895         };
2896
2897         /* Disable ALDPS before ram code */
2898         rtl_writephy(tp, 0x1f, 0x0000);
2899         rtl_writephy(tp, 0x18, 0x0310);
2900         msleep(100);
2901
2902         rtl_apply_firmware(tp);
2903
2904         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2905 }
2906
2907 static void rtl_hw_phy_config(struct net_device *dev)
2908 {
2909         struct rtl8169_private *tp = netdev_priv(dev);
2910
2911         rtl8169_print_mac_version(tp);
2912
2913         switch (tp->mac_version) {
2914         case RTL_GIGA_MAC_VER_01:
2915                 break;
2916         case RTL_GIGA_MAC_VER_02:
2917         case RTL_GIGA_MAC_VER_03:
2918                 rtl8169s_hw_phy_config(tp);
2919                 break;
2920         case RTL_GIGA_MAC_VER_04:
2921                 rtl8169sb_hw_phy_config(tp);
2922                 break;
2923         case RTL_GIGA_MAC_VER_05:
2924                 rtl8169scd_hw_phy_config(tp);
2925                 break;
2926         case RTL_GIGA_MAC_VER_06:
2927                 rtl8169sce_hw_phy_config(tp);
2928                 break;
2929         case RTL_GIGA_MAC_VER_07:
2930         case RTL_GIGA_MAC_VER_08:
2931         case RTL_GIGA_MAC_VER_09:
2932                 rtl8102e_hw_phy_config(tp);
2933                 break;
2934         case RTL_GIGA_MAC_VER_11:
2935                 rtl8168bb_hw_phy_config(tp);
2936                 break;
2937         case RTL_GIGA_MAC_VER_12:
2938                 rtl8168bef_hw_phy_config(tp);
2939                 break;
2940         case RTL_GIGA_MAC_VER_17:
2941                 rtl8168bef_hw_phy_config(tp);
2942                 break;
2943         case RTL_GIGA_MAC_VER_18:
2944                 rtl8168cp_1_hw_phy_config(tp);
2945                 break;
2946         case RTL_GIGA_MAC_VER_19:
2947                 rtl8168c_1_hw_phy_config(tp);
2948                 break;
2949         case RTL_GIGA_MAC_VER_20:
2950                 rtl8168c_2_hw_phy_config(tp);
2951                 break;
2952         case RTL_GIGA_MAC_VER_21:
2953                 rtl8168c_3_hw_phy_config(tp);
2954                 break;
2955         case RTL_GIGA_MAC_VER_22:
2956                 rtl8168c_4_hw_phy_config(tp);
2957                 break;
2958         case RTL_GIGA_MAC_VER_23:
2959         case RTL_GIGA_MAC_VER_24:
2960                 rtl8168cp_2_hw_phy_config(tp);
2961                 break;
2962         case RTL_GIGA_MAC_VER_25:
2963                 rtl8168d_1_hw_phy_config(tp);
2964                 break;
2965         case RTL_GIGA_MAC_VER_26:
2966                 rtl8168d_2_hw_phy_config(tp);
2967                 break;
2968         case RTL_GIGA_MAC_VER_27:
2969                 rtl8168d_3_hw_phy_config(tp);
2970                 break;
2971         case RTL_GIGA_MAC_VER_28:
2972                 rtl8168d_4_hw_phy_config(tp);
2973                 break;
2974         case RTL_GIGA_MAC_VER_29:
2975         case RTL_GIGA_MAC_VER_30:
2976                 rtl8105e_hw_phy_config(tp);
2977                 break;
2978         case RTL_GIGA_MAC_VER_31:
2979                 /* None. */
2980                 break;
2981         case RTL_GIGA_MAC_VER_32:
2982         case RTL_GIGA_MAC_VER_33:
2983                 rtl8168e_1_hw_phy_config(tp);
2984                 break;
2985         case RTL_GIGA_MAC_VER_34:
2986                 rtl8168e_2_hw_phy_config(tp);
2987                 break;
2988
2989         default:
2990                 break;
2991         }
2992 }
2993
2994 static void rtl8169_phy_timer(unsigned long __opaque)
2995 {
2996         struct net_device *dev = (struct net_device *)__opaque;
2997         struct rtl8169_private *tp = netdev_priv(dev);
2998         struct timer_list *timer = &tp->timer;
2999         void __iomem *ioaddr = tp->mmio_addr;
3000         unsigned long timeout = RTL8169_PHY_TIMEOUT;
3001
3002         assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3003
3004         spin_lock_irq(&tp->lock);
3005
3006         if (tp->phy_reset_pending(tp)) {
3007                 /*
3008                  * A busy loop could burn quite a few cycles on nowadays CPU.
3009                  * Let's delay the execution of the timer for a few ticks.
3010                  */
3011                 timeout = HZ/10;
3012                 goto out_mod_timer;
3013         }
3014
3015         if (tp->link_ok(ioaddr))
3016                 goto out_unlock;
3017
3018         netif_warn(tp, link, dev, "PHY reset until link up\n");
3019
3020         tp->phy_reset_enable(tp);
3021
3022 out_mod_timer:
3023         mod_timer(timer, jiffies + timeout);
3024 out_unlock:
3025         spin_unlock_irq(&tp->lock);
3026 }
3027
3028 #ifdef CONFIG_NET_POLL_CONTROLLER
3029 /*
3030  * Polling 'interrupt' - used by things like netconsole to send skbs
3031  * without having to re-enable interrupts. It's not called while
3032  * the interrupt routine is executing.
3033  */
3034 static void rtl8169_netpoll(struct net_device *dev)
3035 {
3036         struct rtl8169_private *tp = netdev_priv(dev);
3037         struct pci_dev *pdev = tp->pci_dev;
3038
3039         disable_irq(pdev->irq);
3040         rtl8169_interrupt(pdev->irq, dev);
3041         enable_irq(pdev->irq);
3042 }
3043 #endif
3044
3045 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3046                                   void __iomem *ioaddr)
3047 {
3048         iounmap(ioaddr);
3049         pci_release_regions(pdev);
3050         pci_clear_mwi(pdev);
3051         pci_disable_device(pdev);
3052         free_netdev(dev);
3053 }
3054
3055 static void rtl8169_phy_reset(struct net_device *dev,
3056                               struct rtl8169_private *tp)
3057 {
3058         unsigned int i;
3059
3060         tp->phy_reset_enable(tp);
3061         for (i = 0; i < 100; i++) {
3062                 if (!tp->phy_reset_pending(tp))
3063                         return;
3064                 msleep(1);
3065         }
3066         netif_err(tp, link, dev, "PHY reset failed\n");
3067 }
3068
3069 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3070 {
3071         void __iomem *ioaddr = tp->mmio_addr;
3072
3073         rtl_hw_phy_config(dev);
3074
3075         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3076                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3077                 RTL_W8(0x82, 0x01);
3078         }
3079
3080         pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3081
3082         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3083                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3084
3085         if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3086                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3087                 RTL_W8(0x82, 0x01);
3088                 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3089                 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3090         }
3091
3092         rtl8169_phy_reset(dev, tp);
3093
3094         rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3095                           ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3096                           ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3097                           (tp->mii.supports_gmii ?
3098                            ADVERTISED_1000baseT_Half |
3099                            ADVERTISED_1000baseT_Full : 0));
3100
3101         if (RTL_R8(PHYstatus) & TBI_Enable)
3102                 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3103 }
3104
3105 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3106 {
3107         void __iomem *ioaddr = tp->mmio_addr;
3108         u32 high;
3109         u32 low;
3110
3111         low  = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3112         high = addr[4] | (addr[5] << 8);
3113
3114         spin_lock_irq(&tp->lock);
3115
3116         RTL_W8(Cfg9346, Cfg9346_Unlock);
3117
3118         RTL_W32(MAC4, high);
3119         RTL_R32(MAC4);
3120
3121         RTL_W32(MAC0, low);
3122         RTL_R32(MAC0);
3123
3124         RTL_W8(Cfg9346, Cfg9346_Lock);
3125
3126         spin_unlock_irq(&tp->lock);
3127 }
3128
3129 static int rtl_set_mac_address(struct net_device *dev, void *p)
3130 {
3131         struct rtl8169_private *tp = netdev_priv(dev);
3132         struct sockaddr *addr = p;
3133
3134         if (!is_valid_ether_addr(addr->sa_data))
3135                 return -EADDRNOTAVAIL;
3136
3137         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3138
3139         rtl_rar_set(tp, dev->dev_addr);
3140
3141         return 0;
3142 }
3143
3144 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3145 {
3146         struct rtl8169_private *tp = netdev_priv(dev);
3147         struct mii_ioctl_data *data = if_mii(ifr);
3148
3149         return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3150 }
3151
3152 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3153                           struct mii_ioctl_data *data, int cmd)
3154 {
3155         switch (cmd) {
3156         case SIOCGMIIPHY:
3157                 data->phy_id = 32; /* Internal PHY */
3158                 return 0;
3159
3160         case SIOCGMIIREG:
3161                 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3162                 return 0;
3163
3164         case SIOCSMIIREG:
3165                 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3166                 return 0;
3167         }
3168         return -EOPNOTSUPP;
3169 }
3170
3171 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3172 {
3173         return -EOPNOTSUPP;
3174 }
3175
3176 static const struct rtl_cfg_info {
3177         void (*hw_start)(struct net_device *);
3178         unsigned int region;
3179         unsigned int align;
3180         u16 intr_event;
3181         u16 napi_event;
3182         unsigned features;
3183         u8 default_ver;
3184 } rtl_cfg_infos [] = {
3185         [RTL_CFG_0] = {
3186                 .hw_start       = rtl_hw_start_8169,
3187                 .region         = 1,
3188                 .align          = 0,
3189                 .intr_event     = SYSErr | LinkChg | RxOverflow |
3190                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3191                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3192                 .features       = RTL_FEATURE_GMII,
3193                 .default_ver    = RTL_GIGA_MAC_VER_01,
3194         },
3195         [RTL_CFG_1] = {
3196                 .hw_start       = rtl_hw_start_8168,
3197                 .region         = 2,
3198                 .align          = 8,
3199                 .intr_event     = SYSErr | LinkChg | RxOverflow |
3200                                   TxErr | TxOK | RxOK | RxErr,
3201                 .napi_event     = TxErr | TxOK | RxOK | RxOverflow,
3202                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3203                 .default_ver    = RTL_GIGA_MAC_VER_11,
3204         },
3205         [RTL_CFG_2] = {
3206                 .hw_start       = rtl_hw_start_8101,
3207                 .region         = 2,
3208                 .align          = 8,
3209                 .intr_event     = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3210                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3211                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3212                 .features       = RTL_FEATURE_MSI,
3213                 .default_ver    = RTL_GIGA_MAC_VER_13,
3214         }
3215 };
3216
3217 /* Cfg9346_Unlock assumed. */
3218 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
3219                             const struct rtl_cfg_info *cfg)
3220 {
3221         unsigned msi = 0;
3222         u8 cfg2;
3223
3224         cfg2 = RTL_R8(Config2) & ~MSIEnable;
3225         if (cfg->features & RTL_FEATURE_MSI) {
3226                 if (pci_enable_msi(pdev)) {
3227                         dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
3228                 } else {
3229                         cfg2 |= MSIEnable;
3230                         msi = RTL_FEATURE_MSI;
3231                 }
3232         }
3233         RTL_W8(Config2, cfg2);
3234         return msi;
3235 }
3236
3237 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3238 {
3239         if (tp->features & RTL_FEATURE_MSI) {
3240                 pci_disable_msi(pdev);
3241                 tp->features &= ~RTL_FEATURE_MSI;
3242         }
3243 }
3244
3245 static const struct net_device_ops rtl8169_netdev_ops = {
3246         .ndo_open               = rtl8169_open,
3247         .ndo_stop               = rtl8169_close,
3248         .ndo_get_stats          = rtl8169_get_stats,
3249         .ndo_start_xmit         = rtl8169_start_xmit,
3250         .ndo_tx_timeout         = rtl8169_tx_timeout,
3251         .ndo_validate_addr      = eth_validate_addr,
3252         .ndo_change_mtu         = rtl8169_change_mtu,
3253         .ndo_fix_features       = rtl8169_fix_features,
3254         .ndo_set_features       = rtl8169_set_features,
3255         .ndo_set_mac_address    = rtl_set_mac_address,
3256         .ndo_do_ioctl           = rtl8169_ioctl,
3257         .ndo_set_multicast_list = rtl_set_rx_mode,
3258 #ifdef CONFIG_NET_POLL_CONTROLLER
3259         .ndo_poll_controller    = rtl8169_netpoll,
3260 #endif
3261
3262 };
3263
3264 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3265 {
3266         struct mdio_ops *ops = &tp->mdio_ops;
3267
3268         switch (tp->mac_version) {
3269         case RTL_GIGA_MAC_VER_27:
3270                 ops->write      = r8168dp_1_mdio_write;
3271                 ops->read       = r8168dp_1_mdio_read;
3272                 break;
3273         case RTL_GIGA_MAC_VER_28:
3274         case RTL_GIGA_MAC_VER_31:
3275                 ops->write      = r8168dp_2_mdio_write;
3276                 ops->read       = r8168dp_2_mdio_read;
3277                 break;
3278         default:
3279                 ops->write      = r8169_mdio_write;
3280                 ops->read       = r8169_mdio_read;
3281                 break;
3282         }
3283 }
3284
3285 static void r810x_phy_power_down(struct rtl8169_private *tp)
3286 {
3287         rtl_writephy(tp, 0x1f, 0x0000);
3288         rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3289 }
3290
3291 static void r810x_phy_power_up(struct rtl8169_private *tp)
3292 {
3293         rtl_writephy(tp, 0x1f, 0x0000);
3294         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3295 }
3296
3297 static void r810x_pll_power_down(struct rtl8169_private *tp)
3298 {
3299         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3300                 rtl_writephy(tp, 0x1f, 0x0000);
3301                 rtl_writephy(tp, MII_BMCR, 0x0000);
3302                 return;
3303         }
3304
3305         r810x_phy_power_down(tp);
3306 }
3307
3308 static void r810x_pll_power_up(struct rtl8169_private *tp)
3309 {
3310         r810x_phy_power_up(tp);
3311 }
3312
3313 static void r8168_phy_power_up(struct rtl8169_private *tp)
3314 {
3315         rtl_writephy(tp, 0x1f, 0x0000);
3316         switch (tp->mac_version) {
3317         case RTL_GIGA_MAC_VER_11:
3318         case RTL_GIGA_MAC_VER_12:
3319         case RTL_GIGA_MAC_VER_17:
3320         case RTL_GIGA_MAC_VER_18:
3321         case RTL_GIGA_MAC_VER_19:
3322         case RTL_GIGA_MAC_VER_20:
3323         case RTL_GIGA_MAC_VER_21:
3324         case RTL_GIGA_MAC_VER_22:
3325         case RTL_GIGA_MAC_VER_23:
3326         case RTL_GIGA_MAC_VER_24:
3327         case RTL_GIGA_MAC_VER_25:
3328         case RTL_GIGA_MAC_VER_26:
3329         case RTL_GIGA_MAC_VER_27:
3330         case RTL_GIGA_MAC_VER_28:
3331         case RTL_GIGA_MAC_VER_31:
3332                 rtl_writephy(tp, 0x0e, 0x0000);
3333                 break;
3334         default:
3335                 break;
3336         }
3337         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3338 }
3339
3340 static void r8168_phy_power_down(struct rtl8169_private *tp)
3341 {
3342         rtl_writephy(tp, 0x1f, 0x0000);
3343         switch (tp->mac_version) {
3344         case RTL_GIGA_MAC_VER_32:
3345         case RTL_GIGA_MAC_VER_33:
3346                 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3347                 break;
3348
3349         case RTL_GIGA_MAC_VER_11:
3350         case RTL_GIGA_MAC_VER_12:
3351         case RTL_GIGA_MAC_VER_17:
3352         case RTL_GIGA_MAC_VER_18:
3353         case RTL_GIGA_MAC_VER_19:
3354         case RTL_GIGA_MAC_VER_20:
3355         case RTL_GIGA_MAC_VER_21:
3356         case RTL_GIGA_MAC_VER_22:
3357         case RTL_GIGA_MAC_VER_23:
3358         case RTL_GIGA_MAC_VER_24:
3359         case RTL_GIGA_MAC_VER_25:
3360         case RTL_GIGA_MAC_VER_26:
3361         case RTL_GIGA_MAC_VER_27:
3362         case RTL_GIGA_MAC_VER_28:
3363         case RTL_GIGA_MAC_VER_31:
3364                 rtl_writephy(tp, 0x0e, 0x0200);
3365         default:
3366                 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3367                 break;
3368         }
3369 }
3370
3371 static void r8168_pll_power_down(struct rtl8169_private *tp)
3372 {
3373         void __iomem *ioaddr = tp->mmio_addr;
3374
3375         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3376              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3377              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3378             r8168dp_check_dash(tp)) {
3379                 return;
3380         }
3381
3382         if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3383              tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3384             (RTL_R16(CPlusCmd) & ASF)) {
3385                 return;
3386         }
3387
3388         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3389             tp->mac_version == RTL_GIGA_MAC_VER_33)
3390                 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3391
3392         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3393                 rtl_writephy(tp, 0x1f, 0x0000);
3394                 rtl_writephy(tp, MII_BMCR, 0x0000);
3395
3396                 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3397                     tp->mac_version == RTL_GIGA_MAC_VER_33)
3398                         RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3399                                 AcceptMulticast | AcceptMyPhys);
3400                 return;
3401         }
3402
3403         r8168_phy_power_down(tp);
3404
3405         switch (tp->mac_version) {
3406         case RTL_GIGA_MAC_VER_25:
3407         case RTL_GIGA_MAC_VER_26:
3408         case RTL_GIGA_MAC_VER_27:
3409         case RTL_GIGA_MAC_VER_28:
3410         case RTL_GIGA_MAC_VER_31:
3411         case RTL_GIGA_MAC_VER_32:
3412         case RTL_GIGA_MAC_VER_33:
3413                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3414                 break;
3415         }
3416 }
3417
3418 static void r8168_pll_power_up(struct rtl8169_private *tp)
3419 {
3420         void __iomem *ioaddr = tp->mmio_addr;
3421
3422         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3423              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3424              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3425             r8168dp_check_dash(tp)) {
3426                 return;
3427         }
3428
3429         switch (tp->mac_version) {
3430         case RTL_GIGA_MAC_VER_25:
3431         case RTL_GIGA_MAC_VER_26:
3432         case RTL_GIGA_MAC_VER_27:
3433         case RTL_GIGA_MAC_VER_28:
3434         case RTL_GIGA_MAC_VER_31:
3435         case RTL_GIGA_MAC_VER_32:
3436         case RTL_GIGA_MAC_VER_33:
3437                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3438                 break;
3439         }
3440
3441         r8168_phy_power_up(tp);
3442 }
3443
3444 static void rtl_pll_power_op(struct rtl8169_private *tp,
3445                              void (*op)(struct rtl8169_private *))
3446 {
3447         if (op)
3448                 op(tp);
3449 }
3450
3451 static void rtl_pll_power_down(struct rtl8169_private *tp)
3452 {
3453         rtl_pll_power_op(tp, tp->pll_power_ops.down);
3454 }
3455
3456 static void rtl_pll_power_up(struct rtl8169_private *tp)
3457 {
3458         rtl_pll_power_op(tp, tp->pll_power_ops.up);
3459 }
3460
3461 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3462 {
3463         struct pll_power_ops *ops = &tp->pll_power_ops;
3464
3465         switch (tp->mac_version) {
3466         case RTL_GIGA_MAC_VER_07:
3467         case RTL_GIGA_MAC_VER_08:
3468         case RTL_GIGA_MAC_VER_09:
3469         case RTL_GIGA_MAC_VER_10:
3470         case RTL_GIGA_MAC_VER_16:
3471         case RTL_GIGA_MAC_VER_29:
3472         case RTL_GIGA_MAC_VER_30:
3473                 ops->down       = r810x_pll_power_down;
3474                 ops->up         = r810x_pll_power_up;
3475                 break;
3476
3477         case RTL_GIGA_MAC_VER_11:
3478         case RTL_GIGA_MAC_VER_12:
3479         case RTL_GIGA_MAC_VER_17:
3480         case RTL_GIGA_MAC_VER_18:
3481         case RTL_GIGA_MAC_VER_19:
3482         case RTL_GIGA_MAC_VER_20:
3483         case RTL_GIGA_MAC_VER_21:
3484         case RTL_GIGA_MAC_VER_22:
3485         case RTL_GIGA_MAC_VER_23:
3486         case RTL_GIGA_MAC_VER_24:
3487         case RTL_GIGA_MAC_VER_25:
3488         case RTL_GIGA_MAC_VER_26:
3489         case RTL_GIGA_MAC_VER_27:
3490         case RTL_GIGA_MAC_VER_28:
3491         case RTL_GIGA_MAC_VER_31:
3492         case RTL_GIGA_MAC_VER_32:
3493         case RTL_GIGA_MAC_VER_33:
3494         case RTL_GIGA_MAC_VER_34:
3495                 ops->down       = r8168_pll_power_down;
3496                 ops->up         = r8168_pll_power_up;
3497                 break;
3498
3499         default:
3500                 ops->down       = NULL;
3501                 ops->up         = NULL;
3502                 break;
3503         }
3504 }
3505
3506 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3507 {
3508         tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3509 }
3510
3511 static void rtl_hw_reset(struct rtl8169_private *tp)
3512 {
3513         void __iomem *ioaddr = tp->mmio_addr;
3514         int i;
3515
3516         /* Soft reset the chip. */
3517         RTL_W8(ChipCmd, CmdReset);
3518
3519         /* Check that the chip has finished the reset. */
3520         for (i = 0; i < 100; i++) {
3521                 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3522                         break;
3523                 udelay(100);
3524         }
3525
3526         rtl8169_init_ring_indexes(tp);
3527 }
3528
3529 static int __devinit
3530 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3531 {
3532         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3533         const unsigned int region = cfg->region;
3534         struct rtl8169_private *tp;
3535         struct mii_if_info *mii;
3536         struct net_device *dev;
3537         void __iomem *ioaddr;
3538         int chipset, i;
3539         int rc;
3540
3541         if (netif_msg_drv(&debug)) {
3542                 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3543                        MODULENAME, RTL8169_VERSION);
3544         }
3545
3546         dev = alloc_etherdev(sizeof (*tp));
3547         if (!dev) {
3548                 if (netif_msg_drv(&debug))
3549                         dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3550                 rc = -ENOMEM;
3551                 goto out;
3552         }
3553
3554         SET_NETDEV_DEV(dev, &pdev->dev);
3555         dev->netdev_ops = &rtl8169_netdev_ops;
3556         tp = netdev_priv(dev);
3557         tp->dev = dev;
3558         tp->pci_dev = pdev;
3559         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3560
3561         mii = &tp->mii;
3562         mii->dev = dev;
3563         mii->mdio_read = rtl_mdio_read;
3564         mii->mdio_write = rtl_mdio_write;
3565         mii->phy_id_mask = 0x1f;
3566         mii->reg_num_mask = 0x1f;
3567         mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3568
3569         /* disable ASPM completely as that cause random device stop working
3570          * problems as well as full system hangs for some PCIe devices users */
3571         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3572                                      PCIE_LINK_STATE_CLKPM);
3573
3574         /* enable device (incl. PCI PM wakeup and hotplug setup) */
3575         rc = pci_enable_device(pdev);
3576         if (rc < 0) {
3577                 netif_err(tp, probe, dev, "enable failure\n");
3578                 goto err_out_free_dev_1;
3579         }
3580
3581         if (pci_set_mwi(pdev) < 0)
3582                 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3583
3584         /* make sure PCI base addr 1 is MMIO */
3585         if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3586                 netif_err(tp, probe, dev,
3587                           "region #%d not an MMIO resource, aborting\n",
3588                           region);
3589                 rc = -ENODEV;
3590                 goto err_out_mwi_2;
3591         }
3592
3593         /* check for weird/broken PCI region reporting */
3594         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3595                 netif_err(tp, probe, dev,
3596                           "Invalid PCI region size(s), aborting\n");
3597                 rc = -ENODEV;
3598                 goto err_out_mwi_2;
3599         }
3600
3601         rc = pci_request_regions(pdev, MODULENAME);
3602         if (rc < 0) {
3603                 netif_err(tp, probe, dev, "could not request regions\n");
3604                 goto err_out_mwi_2;
3605         }
3606
3607         tp->cp_cmd = RxChkSum;
3608
3609         if ((sizeof(dma_addr_t) > 4) &&
3610             !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3611                 tp->cp_cmd |= PCIDAC;
3612                 dev->features |= NETIF_F_HIGHDMA;
3613         } else {
3614                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3615                 if (rc < 0) {
3616                         netif_err(tp, probe, dev, "DMA configuration failed\n");
3617                         goto err_out_free_res_3;
3618                 }
3619         }
3620
3621         /* ioremap MMIO region */
3622         ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3623         if (!ioaddr) {
3624                 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3625                 rc = -EIO;
3626                 goto err_out_free_res_3;
3627         }
3628         tp->mmio_addr = ioaddr;
3629
3630         if (!pci_is_pcie(pdev))
3631                 netif_info(tp, probe, dev, "not PCI Express\n");
3632
3633         RTL_W16(IntrMask, 0x0000);
3634
3635         rtl_hw_reset(tp);
3636
3637         RTL_W16(IntrStatus, 0xffff);
3638
3639         pci_set_master(pdev);
3640
3641         /* Identify chip attached to board */
3642         rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3643
3644         /*
3645          * Pretend we are using VLANs; This bypasses a nasty bug where
3646          * Interrupts stop flowing on high load on 8110SCd controllers.
3647          */
3648         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3649                 tp->cp_cmd |= RxVlan;
3650
3651         rtl_init_mdio_ops(tp);
3652         rtl_init_pll_power_ops(tp);
3653
3654         rtl8169_print_mac_version(tp);
3655
3656         chipset = tp->mac_version;
3657         tp->txd_version = rtl_chip_infos[chipset].txd_version;
3658
3659         RTL_W8(Cfg9346, Cfg9346_Unlock);
3660         RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3661         RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3662         if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3663                 tp->features |= RTL_FEATURE_WOL;
3664         if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3665                 tp->features |= RTL_FEATURE_WOL;
3666         tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3667         RTL_W8(Cfg9346, Cfg9346_Lock);
3668
3669         if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3670             (RTL_R8(PHYstatus) & TBI_Enable)) {
3671                 tp->set_speed = rtl8169_set_speed_tbi;
3672                 tp->get_settings = rtl8169_gset_tbi;
3673                 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3674                 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3675                 tp->link_ok = rtl8169_tbi_link_ok;
3676                 tp->do_ioctl = rtl_tbi_ioctl;
3677         } else {
3678                 tp->set_speed = rtl8169_set_speed_xmii;
3679                 tp->get_settings = rtl8169_gset_xmii;
3680                 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3681                 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3682                 tp->link_ok = rtl8169_xmii_link_ok;
3683                 tp->do_ioctl = rtl_xmii_ioctl;
3684         }
3685
3686         spin_lock_init(&tp->lock);
3687
3688         /* Get MAC address */
3689         for (i = 0; i < MAC_ADDR_LEN; i++)
3690                 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3691         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3692
3693         SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3694         dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3695         dev->irq = pdev->irq;
3696         dev->base_addr = (unsigned long) ioaddr;
3697
3698         netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3699
3700         /* don't enable SG, IP_CSUM and TSO by default - it might not work
3701          * properly for all devices */
3702         dev->features |= NETIF_F_RXCSUM |
3703                 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3704
3705         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3706                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3707         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3708                 NETIF_F_HIGHDMA;
3709
3710         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3711                 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3712                 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3713
3714         tp->intr_mask = 0xffff;
3715         tp->hw_start = cfg->hw_start;
3716         tp->intr_event = cfg->intr_event;
3717         tp->napi_event = cfg->napi_event;
3718
3719         init_timer(&tp->timer);
3720         tp->timer.data = (unsigned long) dev;
3721         tp->timer.function = rtl8169_phy_timer;
3722
3723         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3724
3725         rc = register_netdev(dev);
3726         if (rc < 0)
3727                 goto err_out_msi_4;
3728
3729         pci_set_drvdata(pdev, dev);
3730
3731         netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3732                    rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3733                    (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3734
3735         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3736             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3737             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3738                 rtl8168_driver_start(tp);
3739         }
3740
3741         device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3742
3743         if (pci_dev_run_wake(pdev))
3744                 pm_runtime_put_noidle(&pdev->dev);
3745
3746         netif_carrier_off(dev);
3747
3748 out:
3749         return rc;
3750
3751 err_out_msi_4:
3752         rtl_disable_msi(pdev, tp);
3753         iounmap(ioaddr);
3754 err_out_free_res_3:
3755         pci_release_regions(pdev);
3756 err_out_mwi_2:
3757         pci_clear_mwi(pdev);
3758         pci_disable_device(pdev);
3759 err_out_free_dev_1:
3760         free_netdev(dev);
3761         goto out;
3762 }
3763
3764 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3765 {
3766         struct net_device *dev = pci_get_drvdata(pdev);
3767         struct rtl8169_private *tp = netdev_priv(dev);
3768
3769         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3770             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3771             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3772                 rtl8168_driver_stop(tp);
3773         }
3774
3775         cancel_delayed_work_sync(&tp->task);
3776
3777         unregister_netdev(dev);
3778
3779         rtl_release_firmware(tp);
3780
3781         if (pci_dev_run_wake(pdev))
3782                 pm_runtime_get_noresume(&pdev->dev);
3783
3784         /* restore original MAC address */
3785         rtl_rar_set(tp, dev->perm_addr);
3786
3787         rtl_disable_msi(pdev, tp);
3788         rtl8169_release_board(pdev, dev, tp->mmio_addr);
3789         pci_set_drvdata(pdev, NULL);
3790 }
3791
3792 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3793 {
3794         struct rtl_fw *rtl_fw;
3795         const char *name;
3796         int rc = -ENOMEM;
3797
3798         name = rtl_lookup_firmware_name(tp);
3799         if (!name)
3800                 goto out_no_firmware;
3801
3802         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
3803         if (!rtl_fw)
3804                 goto err_warn;
3805
3806         rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
3807         if (rc < 0)
3808                 goto err_free;
3809
3810         rc = rtl_check_firmware(tp, rtl_fw);
3811         if (rc < 0)
3812                 goto err_release_firmware;
3813
3814         tp->rtl_fw = rtl_fw;
3815 out:
3816         return;
3817
3818 err_release_firmware:
3819         release_firmware(rtl_fw->fw);
3820 err_free:
3821         kfree(rtl_fw);
3822 err_warn:
3823         netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
3824                    name, rc);
3825 out_no_firmware:
3826         tp->rtl_fw = NULL;
3827         goto out;
3828 }
3829
3830 static void rtl_request_firmware(struct rtl8169_private *tp)
3831 {
3832         if (IS_ERR(tp->rtl_fw))
3833                 rtl_request_uncached_firmware(tp);
3834 }
3835
3836 static int rtl8169_open(struct net_device *dev)
3837 {
3838         struct rtl8169_private *tp = netdev_priv(dev);
3839         void __iomem *ioaddr = tp->mmio_addr;
3840         struct pci_dev *pdev = tp->pci_dev;
3841         int retval = -ENOMEM;
3842
3843         pm_runtime_get_sync(&pdev->dev);
3844
3845         /*
3846          * Rx and Tx desscriptors needs 256 bytes alignment.
3847          * dma_alloc_coherent provides more.
3848          */
3849         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3850                                              &tp->TxPhyAddr, GFP_KERNEL);
3851         if (!tp->TxDescArray)
3852                 goto err_pm_runtime_put;
3853
3854         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3855                                              &tp->RxPhyAddr, GFP_KERNEL);
3856         if (!tp->RxDescArray)
3857                 goto err_free_tx_0;
3858
3859         retval = rtl8169_init_ring(dev);
3860         if (retval < 0)
3861                 goto err_free_rx_1;
3862
3863         INIT_DELAYED_WORK(&tp->task, NULL);
3864
3865         smp_mb();
3866
3867         rtl_request_firmware(tp);
3868
3869         retval = request_irq(dev->irq, rtl8169_interrupt,
3870                              (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3871                              dev->name, dev);
3872         if (retval < 0)
3873                 goto err_release_fw_2;
3874
3875         napi_enable(&tp->napi);
3876
3877         rtl8169_init_phy(dev, tp);
3878
3879         rtl8169_set_features(dev, dev->features);
3880
3881         rtl_pll_power_up(tp);
3882
3883         rtl_hw_start(dev);
3884
3885         tp->saved_wolopts = 0;
3886         pm_runtime_put_noidle(&pdev->dev);
3887
3888         rtl8169_check_link_status(dev, tp, ioaddr);
3889 out:
3890         return retval;
3891
3892 err_release_fw_2:
3893         rtl_release_firmware(tp);
3894         rtl8169_rx_clear(tp);
3895 err_free_rx_1:
3896         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3897                           tp->RxPhyAddr);
3898         tp->RxDescArray = NULL;
3899 err_free_tx_0:
3900         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3901                           tp->TxPhyAddr);
3902         tp->TxDescArray = NULL;
3903 err_pm_runtime_put:
3904         pm_runtime_put_noidle(&pdev->dev);
3905         goto out;
3906 }
3907
3908 static void rtl_rx_close(struct rtl8169_private *tp)
3909 {
3910         void __iomem *ioaddr = tp->mmio_addr;
3911         u32 rxcfg = RTL_R32(RxConfig);
3912
3913         rxcfg &= ~(AcceptErr | AcceptRunt | AcceptBroadcast | AcceptMulticast |
3914                    AcceptMyPhys | AcceptAllPhys);
3915         RTL_W32(RxConfig, rxcfg);
3916 }
3917
3918 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3919 {
3920         void __iomem *ioaddr = tp->mmio_addr;
3921
3922         /* Disable interrupts */
3923         rtl8169_irq_mask_and_ack(ioaddr);
3924
3925         rtl_rx_close(tp);
3926
3927         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3928             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3929             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3930                 while (RTL_R8(TxPoll) & NPQ)
3931                         udelay(20);
3932         } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3933                 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
3934                         udelay(100);
3935         } else {
3936                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
3937                 udelay(100);
3938         }
3939
3940         rtl_hw_reset(tp);
3941 }
3942
3943 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3944 {
3945         void __iomem *ioaddr = tp->mmio_addr;
3946         u32 cfg = rtl8169_rx_config;
3947
3948         cfg |= (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
3949         RTL_W32(RxConfig, cfg);
3950
3951         /* Set DMA burst size and Interframe Gap Time */
3952         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3953                 (InterFrameGap << TxInterFrameGapShift));
3954 }
3955
3956 static void rtl_hw_start(struct net_device *dev)
3957 {
3958         struct rtl8169_private *tp = netdev_priv(dev);
3959
3960         tp->hw_start(dev);
3961
3962         netif_start_queue(dev);
3963 }
3964
3965 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3966                                          void __iomem *ioaddr)
3967 {
3968         /*
3969          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3970          * register to be written before TxDescAddrLow to work.
3971          * Switching from MMIO to I/O access fixes the issue as well.
3972          */
3973         RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3974         RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3975         RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3976         RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3977 }
3978
3979 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
3980 {
3981         u16 cmd;
3982
3983         cmd = RTL_R16(CPlusCmd);
3984         RTL_W16(CPlusCmd, cmd);
3985         return cmd;
3986 }
3987
3988 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3989 {
3990         /* Low hurts. Let's disable the filtering. */
3991         RTL_W16(RxMaxSize, rx_buf_sz + 1);
3992 }
3993
3994 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
3995 {
3996         static const struct rtl_cfg2_info {
3997                 u32 mac_version;
3998                 u32 clk;
3999                 u32 val;
4000         } cfg2_info [] = {
4001                 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4002                 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4003                 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4004                 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4005         };
4006         const struct rtl_cfg2_info *p = cfg2_info;
4007         unsigned int i;
4008         u32 clk;
4009
4010         clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4011         for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4012                 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4013                         RTL_W32(0x7c, p->val);
4014                         break;
4015                 }
4016         }
4017 }
4018
4019 static void rtl_hw_start_8169(struct net_device *dev)
4020 {
4021         struct rtl8169_private *tp = netdev_priv(dev);
4022         void __iomem *ioaddr = tp->mmio_addr;
4023         struct pci_dev *pdev = tp->pci_dev;
4024
4025         if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4026                 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4027                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4028         }
4029
4030         RTL_W8(Cfg9346, Cfg9346_Unlock);
4031         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4032             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4033             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4034             tp->mac_version == RTL_GIGA_MAC_VER_04)
4035                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4036
4037         RTL_W8(EarlyTxThres, NoEarlyTx);
4038
4039         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4040
4041         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4042             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4043             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4044             tp->mac_version == RTL_GIGA_MAC_VER_04)
4045                 rtl_set_rx_tx_config_registers(tp);
4046
4047         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4048
4049         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4050             tp->mac_version == RTL_GIGA_MAC_VER_03) {
4051                 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4052                         "Bit-3 and bit-14 MUST be 1\n");
4053                 tp->cp_cmd |= (1 << 14);
4054         }
4055
4056         RTL_W16(CPlusCmd, tp->cp_cmd);
4057
4058         rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4059
4060         /*
4061          * Undocumented corner. Supposedly:
4062          * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4063          */
4064         RTL_W16(IntrMitigate, 0x0000);
4065
4066         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4067
4068         if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4069             tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4070             tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4071             tp->mac_version != RTL_GIGA_MAC_VER_04) {
4072                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4073                 rtl_set_rx_tx_config_registers(tp);
4074         }
4075
4076         RTL_W8(Cfg9346, Cfg9346_Lock);
4077
4078         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4079         RTL_R8(IntrMask);
4080
4081         RTL_W32(RxMissed, 0);
4082
4083         rtl_set_rx_mode(dev);
4084
4085         /* no early-rx interrupts */
4086         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4087
4088         /* Enable all known interrupts by setting the interrupt mask. */
4089         RTL_W16(IntrMask, tp->intr_event);
4090 }
4091
4092 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
4093 {
4094         int cap = pci_pcie_cap(pdev);
4095
4096         if (cap) {
4097                 u16 ctl;
4098
4099                 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
4100                 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
4101                 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
4102         }
4103 }
4104
4105 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4106 {
4107         u32 csi;
4108
4109         csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4110         rtl_csi_write(ioaddr, 0x070c, csi | bits);
4111 }
4112
4113 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4114 {
4115         rtl_csi_access_enable(ioaddr, 0x17000000);
4116 }
4117
4118 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4119 {
4120         rtl_csi_access_enable(ioaddr, 0x27000000);
4121 }
4122
4123 struct ephy_info {
4124         unsigned int offset;
4125         u16 mask;
4126         u16 bits;
4127 };
4128
4129 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4130 {
4131         u16 w;
4132
4133         while (len-- > 0) {
4134                 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4135                 rtl_ephy_write(ioaddr, e->offset, w);
4136                 e++;
4137         }
4138 }
4139
4140 static void rtl_disable_clock_request(struct pci_dev *pdev)
4141 {
4142         int cap = pci_pcie_cap(pdev);
4143
4144         if (cap) {
4145                 u16 ctl;
4146
4147                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4148                 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4149                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4150         }
4151 }
4152
4153 static void rtl_enable_clock_request(struct pci_dev *pdev)
4154 {
4155         int cap = pci_pcie_cap(pdev);
4156
4157         if (cap) {
4158                 u16 ctl;
4159
4160                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4161                 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4162                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4163         }
4164 }
4165
4166 #define R8168_CPCMD_QUIRK_MASK (\
4167         EnableBist | \
4168         Mac_dbgo_oe | \
4169         Force_half_dup | \
4170         Force_rxflow_en | \
4171         Force_txflow_en | \
4172         Cxpl_dbg_sel | \
4173         ASF | \
4174         PktCntrDisable | \
4175         Mac_dbgo_sel)
4176
4177 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4178 {
4179         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4180
4181         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4182
4183         rtl_tx_performance_tweak(pdev,
4184                 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4185 }
4186
4187 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4188 {
4189         rtl_hw_start_8168bb(ioaddr, pdev);
4190
4191         RTL_W8(MaxTxPacketSize, TxPacketMax);
4192
4193         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4194 }
4195
4196 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4197 {
4198         RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4199
4200         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4201
4202         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4203
4204         rtl_disable_clock_request(pdev);
4205
4206         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4207 }
4208
4209 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4210 {
4211         static const struct ephy_info e_info_8168cp[] = {
4212                 { 0x01, 0,      0x0001 },
4213                 { 0x02, 0x0800, 0x1000 },
4214                 { 0x03, 0,      0x0042 },
4215                 { 0x06, 0x0080, 0x0000 },
4216                 { 0x07, 0,      0x2000 }
4217         };
4218
4219         rtl_csi_access_enable_2(ioaddr);
4220
4221         rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4222
4223         __rtl_hw_start_8168cp(ioaddr, pdev);
4224 }
4225
4226 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4227 {
4228         rtl_csi_access_enable_2(ioaddr);
4229
4230         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4231
4232         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4233
4234         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4235 }
4236
4237 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4238 {
4239         rtl_csi_access_enable_2(ioaddr);
4240
4241         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4242
4243         /* Magic. */
4244         RTL_W8(DBG_REG, 0x20);
4245
4246         RTL_W8(MaxTxPacketSize, TxPacketMax);
4247
4248         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4249
4250         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4251 }
4252
4253 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4254 {
4255         static const struct ephy_info e_info_8168c_1[] = {
4256                 { 0x02, 0x0800, 0x1000 },
4257                 { 0x03, 0,      0x0002 },
4258                 { 0x06, 0x0080, 0x0000 }
4259         };
4260
4261         rtl_csi_access_enable_2(ioaddr);
4262
4263         RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4264
4265         rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4266
4267         __rtl_hw_start_8168cp(ioaddr, pdev);
4268 }
4269
4270 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4271 {
4272         static const struct ephy_info e_info_8168c_2[] = {
4273                 { 0x01, 0,      0x0001 },
4274                 { 0x03, 0x0400, 0x0220 }
4275         };
4276
4277         rtl_csi_access_enable_2(ioaddr);
4278
4279         rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4280
4281         __rtl_hw_start_8168cp(ioaddr, pdev);
4282 }
4283
4284 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4285 {
4286         rtl_hw_start_8168c_2(ioaddr, pdev);
4287 }
4288
4289 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4290 {
4291         rtl_csi_access_enable_2(ioaddr);
4292
4293         __rtl_hw_start_8168cp(ioaddr, pdev);
4294 }
4295
4296 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4297 {
4298         rtl_csi_access_enable_2(ioaddr);
4299
4300         rtl_disable_clock_request(pdev);
4301
4302         RTL_W8(MaxTxPacketSize, TxPacketMax);
4303
4304         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4305
4306         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4307 }
4308
4309 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4310 {
4311         rtl_csi_access_enable_1(ioaddr);
4312
4313         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4314
4315         RTL_W8(MaxTxPacketSize, TxPacketMax);
4316
4317         rtl_disable_clock_request(pdev);
4318 }
4319
4320 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4321 {
4322         static const struct ephy_info e_info_8168d_4[] = {
4323                 { 0x0b, ~0,     0x48 },
4324                 { 0x19, 0x20,   0x50 },
4325                 { 0x0c, ~0,     0x20 }
4326         };
4327         int i;
4328
4329         rtl_csi_access_enable_1(ioaddr);
4330
4331         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4332
4333         RTL_W8(MaxTxPacketSize, TxPacketMax);
4334
4335         for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4336                 const struct ephy_info *e = e_info_8168d_4 + i;
4337                 u16 w;
4338
4339                 w = rtl_ephy_read(ioaddr, e->offset);
4340                 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4341         }
4342
4343         rtl_enable_clock_request(pdev);
4344 }
4345
4346 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4347 {
4348         static const struct ephy_info e_info_8168e_1[] = {
4349                 { 0x00, 0x0200, 0x0100 },
4350                 { 0x00, 0x0000, 0x0004 },
4351                 { 0x06, 0x0002, 0x0001 },
4352                 { 0x06, 0x0000, 0x0030 },
4353                 { 0x07, 0x0000, 0x2000 },
4354                 { 0x00, 0x0000, 0x0020 },
4355                 { 0x03, 0x5800, 0x2000 },
4356                 { 0x03, 0x0000, 0x0001 },
4357                 { 0x01, 0x0800, 0x1000 },
4358                 { 0x07, 0x0000, 0x4000 },
4359                 { 0x1e, 0x0000, 0x2000 },
4360                 { 0x19, 0xffff, 0xfe6c },
4361                 { 0x0a, 0x0000, 0x0040 }
4362         };
4363
4364         rtl_csi_access_enable_2(ioaddr);
4365
4366         rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4367
4368         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4369
4370         RTL_W8(MaxTxPacketSize, TxPacketMax);
4371
4372         rtl_disable_clock_request(pdev);
4373
4374         /* Reset tx FIFO pointer */
4375         RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4376         RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4377
4378         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4379 }
4380
4381 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4382 {
4383         static const struct ephy_info e_info_8168e_2[] = {
4384                 { 0x09, 0x0000, 0x0080 },
4385                 { 0x19, 0x0000, 0x0224 }
4386         };
4387
4388         rtl_csi_access_enable_1(ioaddr);
4389
4390         rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4391
4392         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4393
4394         rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4395         rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4396         rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4397         rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4398         rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4399         rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4400         rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4401         rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4402                      ERIAR_EXGMAC);
4403
4404         RTL_W8(MaxTxPacketSize, 0x27);
4405
4406         rtl_disable_clock_request(pdev);
4407
4408         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4409         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4410
4411         /* Adjust EEE LED frequency */
4412         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4413
4414         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4415         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4416         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4417 }
4418
4419 static void rtl_hw_start_8168(struct net_device *dev)
4420 {
4421         struct rtl8169_private *tp = netdev_priv(dev);
4422         void __iomem *ioaddr = tp->mmio_addr;
4423         struct pci_dev *pdev = tp->pci_dev;
4424
4425         RTL_W8(Cfg9346, Cfg9346_Unlock);
4426
4427         RTL_W8(MaxTxPacketSize, TxPacketMax);
4428
4429         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4430
4431         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4432
4433         RTL_W16(CPlusCmd, tp->cp_cmd);
4434
4435         RTL_W16(IntrMitigate, 0x5151);
4436
4437         /* Work around for RxFIFO overflow. */
4438         if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4439             tp->mac_version == RTL_GIGA_MAC_VER_22) {
4440                 tp->intr_event |= RxFIFOOver | PCSTimeout;
4441                 tp->intr_event &= ~RxOverflow;
4442         }
4443
4444         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4445
4446         rtl_set_rx_mode(dev);
4447
4448         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4449                 (InterFrameGap << TxInterFrameGapShift));
4450
4451         RTL_R8(IntrMask);
4452
4453         switch (tp->mac_version) {
4454         case RTL_GIGA_MAC_VER_11:
4455                 rtl_hw_start_8168bb(ioaddr, pdev);
4456                 break;
4457
4458         case RTL_GIGA_MAC_VER_12:
4459         case RTL_GIGA_MAC_VER_17:
4460                 rtl_hw_start_8168bef(ioaddr, pdev);
4461                 break;
4462
4463         case RTL_GIGA_MAC_VER_18:
4464                 rtl_hw_start_8168cp_1(ioaddr, pdev);
4465                 break;
4466
4467         case RTL_GIGA_MAC_VER_19:
4468                 rtl_hw_start_8168c_1(ioaddr, pdev);
4469                 break;
4470
4471         case RTL_GIGA_MAC_VER_20:
4472                 rtl_hw_start_8168c_2(ioaddr, pdev);
4473                 break;
4474
4475         case RTL_GIGA_MAC_VER_21:
4476                 rtl_hw_start_8168c_3(ioaddr, pdev);
4477                 break;
4478
4479         case RTL_GIGA_MAC_VER_22:
4480                 rtl_hw_start_8168c_4(ioaddr, pdev);
4481                 break;
4482
4483         case RTL_GIGA_MAC_VER_23:
4484                 rtl_hw_start_8168cp_2(ioaddr, pdev);
4485                 break;
4486
4487         case RTL_GIGA_MAC_VER_24:
4488                 rtl_hw_start_8168cp_3(ioaddr, pdev);
4489                 break;
4490
4491         case RTL_GIGA_MAC_VER_25:
4492         case RTL_GIGA_MAC_VER_26:
4493         case RTL_GIGA_MAC_VER_27:
4494                 rtl_hw_start_8168d(ioaddr, pdev);
4495                 break;
4496
4497         case RTL_GIGA_MAC_VER_28:
4498                 rtl_hw_start_8168d_4(ioaddr, pdev);
4499                 break;
4500
4501         case RTL_GIGA_MAC_VER_31:
4502                 rtl_hw_start_8168dp(ioaddr, pdev);
4503                 break;
4504
4505         case RTL_GIGA_MAC_VER_32:
4506         case RTL_GIGA_MAC_VER_33:
4507                 rtl_hw_start_8168e_1(ioaddr, pdev);
4508                 break;
4509         case RTL_GIGA_MAC_VER_34:
4510                 rtl_hw_start_8168e_2(ioaddr, pdev);
4511                 break;
4512
4513         default:
4514                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4515                         dev->name, tp->mac_version);
4516                 break;
4517         }
4518
4519         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4520
4521         RTL_W8(Cfg9346, Cfg9346_Lock);
4522
4523         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4524
4525         RTL_W16(IntrMask, tp->intr_event);
4526 }
4527
4528 #define R810X_CPCMD_QUIRK_MASK (\
4529         EnableBist | \
4530         Mac_dbgo_oe | \
4531         Force_half_dup | \
4532         Force_rxflow_en | \
4533         Force_txflow_en | \
4534         Cxpl_dbg_sel | \
4535         ASF | \
4536         PktCntrDisable | \
4537         Mac_dbgo_sel)
4538
4539 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4540 {
4541         static const struct ephy_info e_info_8102e_1[] = {
4542                 { 0x01, 0, 0x6e65 },
4543                 { 0x02, 0, 0x091f },
4544                 { 0x03, 0, 0xc2f9 },
4545                 { 0x06, 0, 0xafb5 },
4546                 { 0x07, 0, 0x0e00 },
4547                 { 0x19, 0, 0xec80 },
4548                 { 0x01, 0, 0x2e65 },
4549                 { 0x01, 0, 0x6e65 }
4550         };
4551         u8 cfg1;
4552
4553         rtl_csi_access_enable_2(ioaddr);
4554
4555         RTL_W8(DBG_REG, FIX_NAK_1);
4556
4557         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4558
4559         RTL_W8(Config1,
4560                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4561         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4562
4563         cfg1 = RTL_R8(Config1);
4564         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4565                 RTL_W8(Config1, cfg1 & ~LEDS0);
4566
4567         rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4568 }
4569
4570 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4571 {
4572         rtl_csi_access_enable_2(ioaddr);
4573
4574         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4575
4576         RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4577         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4578 }
4579
4580 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4581 {
4582         rtl_hw_start_8102e_2(ioaddr, pdev);
4583
4584         rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4585 }
4586
4587 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4588 {
4589         static const struct ephy_info e_info_8105e_1[] = {
4590                 { 0x07, 0, 0x4000 },
4591                 { 0x19, 0, 0x0200 },
4592                 { 0x19, 0, 0x0020 },
4593                 { 0x1e, 0, 0x2000 },
4594                 { 0x03, 0, 0x0001 },
4595                 { 0x19, 0, 0x0100 },
4596                 { 0x19, 0, 0x0004 },
4597                 { 0x0a, 0, 0x0020 }
4598         };
4599
4600         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4601         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4602
4603         /* Disable Early Tally Counter */
4604         RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4605
4606         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4607         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4608
4609         rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4610 }
4611
4612 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4613 {
4614         rtl_hw_start_8105e_1(ioaddr, pdev);
4615         rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4616 }
4617
4618 static void rtl_hw_start_8101(struct net_device *dev)
4619 {
4620         struct rtl8169_private *tp = netdev_priv(dev);
4621         void __iomem *ioaddr = tp->mmio_addr;
4622         struct pci_dev *pdev = tp->pci_dev;
4623
4624         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4625             tp->mac_version == RTL_GIGA_MAC_VER_16) {
4626                 int cap = pci_pcie_cap(pdev);
4627
4628                 if (cap) {
4629                         pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4630                                               PCI_EXP_DEVCTL_NOSNOOP_EN);
4631                 }
4632         }
4633
4634         RTL_W8(Cfg9346, Cfg9346_Unlock);
4635
4636         switch (tp->mac_version) {
4637         case RTL_GIGA_MAC_VER_07:
4638                 rtl_hw_start_8102e_1(ioaddr, pdev);
4639                 break;
4640
4641         case RTL_GIGA_MAC_VER_08:
4642                 rtl_hw_start_8102e_3(ioaddr, pdev);
4643                 break;
4644
4645         case RTL_GIGA_MAC_VER_09:
4646                 rtl_hw_start_8102e_2(ioaddr, pdev);
4647                 break;
4648
4649         case RTL_GIGA_MAC_VER_29:
4650                 rtl_hw_start_8105e_1(ioaddr, pdev);
4651                 break;
4652         case RTL_GIGA_MAC_VER_30:
4653                 rtl_hw_start_8105e_2(ioaddr, pdev);
4654                 break;
4655         }
4656
4657         RTL_W8(Cfg9346, Cfg9346_Lock);
4658
4659         RTL_W8(MaxTxPacketSize, TxPacketMax);
4660
4661         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4662
4663         tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4664         RTL_W16(CPlusCmd, tp->cp_cmd);
4665
4666         RTL_W16(IntrMitigate, 0x0000);
4667
4668         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4669
4670         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4671         rtl_set_rx_tx_config_registers(tp);
4672
4673         RTL_R8(IntrMask);
4674
4675         rtl_set_rx_mode(dev);
4676
4677         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4678
4679         RTL_W16(IntrMask, tp->intr_event);
4680 }
4681
4682 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4683 {
4684         if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4685                 return -EINVAL;
4686
4687         dev->mtu = new_mtu;
4688         netdev_update_features(dev);
4689
4690         return 0;
4691 }
4692
4693 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4694 {
4695         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4696         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4697 }
4698
4699 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4700                                      void **data_buff, struct RxDesc *desc)
4701 {
4702         dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4703                          DMA_FROM_DEVICE);
4704
4705         kfree(*data_buff);
4706         *data_buff = NULL;
4707         rtl8169_make_unusable_by_asic(desc);
4708 }
4709
4710 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4711 {
4712         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4713
4714         desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4715 }
4716
4717 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4718                                        u32 rx_buf_sz)
4719 {
4720         desc->addr = cpu_to_le64(mapping);
4721         wmb();
4722         rtl8169_mark_to_asic(desc, rx_buf_sz);
4723 }
4724
4725 static inline void *rtl8169_align(void *data)
4726 {
4727         return (void *)ALIGN((long)data, 16);
4728 }
4729
4730 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4731                                              struct RxDesc *desc)
4732 {
4733         void *data;
4734         dma_addr_t mapping;
4735         struct device *d = &tp->pci_dev->dev;
4736         struct net_device *dev = tp->dev;
4737         int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4738
4739         data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4740         if (!data)
4741                 return NULL;
4742
4743         if (rtl8169_align(data) != data) {
4744                 kfree(data);
4745                 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4746                 if (!data)
4747                         return NULL;
4748         }
4749
4750         mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4751                                  DMA_FROM_DEVICE);
4752         if (unlikely(dma_mapping_error(d, mapping))) {
4753                 if (net_ratelimit())
4754                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4755                 goto err_out;
4756         }
4757
4758         rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4759         return data;
4760
4761 err_out:
4762         kfree(data);
4763         return NULL;
4764 }
4765
4766 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4767 {
4768         unsigned int i;
4769
4770         for (i = 0; i < NUM_RX_DESC; i++) {
4771                 if (tp->Rx_databuff[i]) {
4772                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4773                                             tp->RxDescArray + i);
4774                 }
4775         }
4776 }
4777
4778 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4779 {
4780         desc->opts1 |= cpu_to_le32(RingEnd);
4781 }
4782
4783 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4784 {
4785         unsigned int i;
4786
4787         for (i = 0; i < NUM_RX_DESC; i++) {
4788                 void *data;
4789
4790                 if (tp->Rx_databuff[i])
4791                         continue;
4792
4793                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4794                 if (!data) {
4795                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4796                         goto err_out;
4797                 }
4798                 tp->Rx_databuff[i] = data;
4799         }
4800
4801         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4802         return 0;
4803
4804 err_out:
4805         rtl8169_rx_clear(tp);
4806         return -ENOMEM;
4807 }
4808
4809 static int rtl8169_init_ring(struct net_device *dev)
4810 {
4811         struct rtl8169_private *tp = netdev_priv(dev);
4812
4813         rtl8169_init_ring_indexes(tp);
4814
4815         memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4816         memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4817
4818         return rtl8169_rx_fill(tp);
4819 }
4820
4821 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4822                                  struct TxDesc *desc)
4823 {
4824         unsigned int len = tx_skb->len;
4825
4826         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4827
4828         desc->opts1 = 0x00;
4829         desc->opts2 = 0x00;
4830         desc->addr = 0x00;
4831         tx_skb->len = 0;
4832 }
4833
4834 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4835                                    unsigned int n)
4836 {
4837         unsigned int i;
4838
4839         for (i = 0; i < n; i++) {
4840                 unsigned int entry = (start + i) % NUM_TX_DESC;
4841                 struct ring_info *tx_skb = tp->tx_skb + entry;
4842                 unsigned int len = tx_skb->len;
4843
4844                 if (len) {
4845                         struct sk_buff *skb = tx_skb->skb;
4846
4847                         rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4848                                              tp->TxDescArray + entry);
4849                         if (skb) {
4850                                 tp->dev->stats.tx_dropped++;
4851                                 dev_kfree_skb(skb);
4852                                 tx_skb->skb = NULL;
4853                         }
4854                 }
4855         }
4856 }
4857
4858 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4859 {
4860         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4861         tp->cur_tx = tp->dirty_tx = 0;
4862 }
4863
4864 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4865 {
4866         struct rtl8169_private *tp = netdev_priv(dev);
4867
4868         PREPARE_DELAYED_WORK(&tp->task, task);
4869         schedule_delayed_work(&tp->task, 4);
4870 }
4871
4872 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4873 {
4874         struct rtl8169_private *tp = netdev_priv(dev);
4875         void __iomem *ioaddr = tp->mmio_addr;
4876
4877         synchronize_irq(dev->irq);
4878
4879         /* Wait for any pending NAPI task to complete */
4880         napi_disable(&tp->napi);
4881
4882         rtl8169_irq_mask_and_ack(ioaddr);
4883
4884         tp->intr_mask = 0xffff;
4885         RTL_W16(IntrMask, tp->intr_event);
4886         napi_enable(&tp->napi);
4887 }
4888
4889 static void rtl8169_reinit_task(struct work_struct *work)
4890 {
4891         struct rtl8169_private *tp =
4892                 container_of(work, struct rtl8169_private, task.work);
4893         struct net_device *dev = tp->dev;
4894         int ret;
4895
4896         rtnl_lock();
4897
4898         if (!netif_running(dev))
4899                 goto out_unlock;
4900
4901         rtl8169_wait_for_quiescence(dev);
4902         rtl8169_close(dev);
4903
4904         ret = rtl8169_open(dev);
4905         if (unlikely(ret < 0)) {
4906                 if (net_ratelimit())
4907                         netif_err(tp, drv, dev,
4908                                   "reinit failure (status = %d). Rescheduling\n",
4909                                   ret);
4910                 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4911         }
4912
4913 out_unlock:
4914         rtnl_unlock();
4915 }
4916
4917 static void rtl8169_reset_task(struct work_struct *work)
4918 {
4919         struct rtl8169_private *tp =
4920                 container_of(work, struct rtl8169_private, task.work);
4921         struct net_device *dev = tp->dev;
4922         int i;
4923
4924         rtnl_lock();
4925
4926         if (!netif_running(dev))
4927                 goto out_unlock;
4928
4929         rtl8169_wait_for_quiescence(dev);
4930
4931         for (i = 0; i < NUM_RX_DESC; i++)
4932                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
4933
4934         rtl8169_tx_clear(tp);
4935
4936         rtl8169_hw_reset(tp);
4937         rtl_hw_start(dev);
4938         netif_wake_queue(dev);
4939         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4940
4941 out_unlock:
4942         rtnl_unlock();
4943 }
4944
4945 static void rtl8169_tx_timeout(struct net_device *dev)
4946 {
4947         struct rtl8169_private *tp = netdev_priv(dev);
4948
4949         rtl8169_hw_reset(tp);
4950
4951         /* Let's wait a bit while any (async) irq lands on */
4952         rtl8169_schedule_work(dev, rtl8169_reset_task);
4953 }
4954
4955 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4956                               u32 *opts)
4957 {
4958         struct skb_shared_info *info = skb_shinfo(skb);
4959         unsigned int cur_frag, entry;
4960         struct TxDesc * uninitialized_var(txd);
4961         struct device *d = &tp->pci_dev->dev;
4962
4963         entry = tp->cur_tx;
4964         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4965                 skb_frag_t *frag = info->frags + cur_frag;
4966                 dma_addr_t mapping;
4967                 u32 status, len;
4968                 void *addr;
4969
4970                 entry = (entry + 1) % NUM_TX_DESC;
4971
4972                 txd = tp->TxDescArray + entry;
4973                 len = frag->size;
4974                 addr = ((void *) page_address(frag->page)) + frag->page_offset;
4975                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
4976                 if (unlikely(dma_mapping_error(d, mapping))) {
4977                         if (net_ratelimit())
4978                                 netif_err(tp, drv, tp->dev,
4979                                           "Failed to map TX fragments DMA!\n");
4980                         goto err_out;
4981                 }
4982
4983                 /* Anti gcc 2.95.3 bugware (sic) */
4984                 status = opts[0] | len |
4985                         (RingEnd * !((entry + 1) % NUM_TX_DESC));
4986
4987                 txd->opts1 = cpu_to_le32(status);
4988                 txd->opts2 = cpu_to_le32(opts[1]);
4989                 txd->addr = cpu_to_le64(mapping);
4990
4991                 tp->tx_skb[entry].len = len;
4992         }
4993
4994         if (cur_frag) {
4995                 tp->tx_skb[entry].skb = skb;
4996                 txd->opts1 |= cpu_to_le32(LastFrag);
4997         }
4998
4999         return cur_frag;
5000
5001 err_out:
5002         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5003         return -EIO;
5004 }
5005
5006 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5007                                     struct sk_buff *skb, u32 *opts)
5008 {
5009         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5010         u32 mss = skb_shinfo(skb)->gso_size;
5011         int offset = info->opts_offset;
5012
5013         if (mss) {
5014                 opts[0] |= TD_LSO;
5015                 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5016         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5017                 const struct iphdr *ip = ip_hdr(skb);
5018
5019                 if (ip->protocol == IPPROTO_TCP)
5020                         opts[offset] |= info->checksum.tcp;
5021                 else if (ip->protocol == IPPROTO_UDP)
5022                         opts[offset] |= info->checksum.udp;
5023                 else
5024                         WARN_ON_ONCE(1);
5025         }
5026 }
5027
5028 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5029                                       struct net_device *dev)
5030 {
5031         struct rtl8169_private *tp = netdev_priv(dev);
5032         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5033         struct TxDesc *txd = tp->TxDescArray + entry;
5034         void __iomem *ioaddr = tp->mmio_addr;
5035         struct device *d = &tp->pci_dev->dev;
5036         dma_addr_t mapping;
5037         u32 status, len;
5038         u32 opts[2];
5039         int frags;
5040
5041         if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5042                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5043                 goto err_stop_0;
5044         }
5045
5046         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5047                 goto err_stop_0;
5048
5049         len = skb_headlen(skb);
5050         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5051         if (unlikely(dma_mapping_error(d, mapping))) {
5052                 if (net_ratelimit())
5053                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5054                 goto err_dma_0;
5055         }
5056
5057         tp->tx_skb[entry].len = len;
5058         txd->addr = cpu_to_le64(mapping);
5059
5060         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5061         opts[0] = DescOwn;
5062
5063         rtl8169_tso_csum(tp, skb, opts);
5064
5065         frags = rtl8169_xmit_frags(tp, skb, opts);
5066         if (frags < 0)
5067                 goto err_dma_1;
5068         else if (frags)
5069                 opts[0] |= FirstFrag;
5070         else {
5071                 opts[0] |= FirstFrag | LastFrag;
5072                 tp->tx_skb[entry].skb = skb;
5073         }
5074
5075         txd->opts2 = cpu_to_le32(opts[1]);
5076
5077         wmb();
5078
5079         /* Anti gcc 2.95.3 bugware (sic) */
5080         status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5081         txd->opts1 = cpu_to_le32(status);
5082
5083         tp->cur_tx += frags + 1;
5084
5085         wmb();
5086
5087         RTL_W8(TxPoll, NPQ);
5088
5089         if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5090                 netif_stop_queue(dev);
5091                 smp_rmb();
5092                 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5093                         netif_wake_queue(dev);
5094         }
5095
5096         return NETDEV_TX_OK;
5097
5098 err_dma_1:
5099         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5100 err_dma_0:
5101         dev_kfree_skb(skb);
5102         dev->stats.tx_dropped++;
5103         return NETDEV_TX_OK;
5104
5105 err_stop_0:
5106         netif_stop_queue(dev);
5107         dev->stats.tx_dropped++;
5108         return NETDEV_TX_BUSY;
5109 }
5110
5111 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5112 {
5113         struct rtl8169_private *tp = netdev_priv(dev);
5114         struct pci_dev *pdev = tp->pci_dev;
5115         u16 pci_status, pci_cmd;
5116
5117         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5118         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5119
5120         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5121                   pci_cmd, pci_status);
5122
5123         /*
5124          * The recovery sequence below admits a very elaborated explanation:
5125          * - it seems to work;
5126          * - I did not see what else could be done;
5127          * - it makes iop3xx happy.
5128          *
5129          * Feel free to adjust to your needs.
5130          */
5131         if (pdev->broken_parity_status)
5132                 pci_cmd &= ~PCI_COMMAND_PARITY;
5133         else
5134                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5135
5136         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5137
5138         pci_write_config_word(pdev, PCI_STATUS,
5139                 pci_status & (PCI_STATUS_DETECTED_PARITY |
5140                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5141                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5142
5143         /* The infamous DAC f*ckup only happens at boot time */
5144         if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5145                 void __iomem *ioaddr = tp->mmio_addr;
5146
5147                 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5148                 tp->cp_cmd &= ~PCIDAC;
5149                 RTL_W16(CPlusCmd, tp->cp_cmd);
5150                 dev->features &= ~NETIF_F_HIGHDMA;
5151         }
5152
5153         rtl8169_hw_reset(tp);
5154
5155         rtl8169_schedule_work(dev, rtl8169_reinit_task);
5156 }
5157
5158 static void rtl8169_tx_interrupt(struct net_device *dev,
5159                                  struct rtl8169_private *tp,
5160                                  void __iomem *ioaddr)
5161 {
5162         unsigned int dirty_tx, tx_left;
5163
5164         dirty_tx = tp->dirty_tx;
5165         smp_rmb();
5166         tx_left = tp->cur_tx - dirty_tx;
5167
5168         while (tx_left > 0) {
5169                 unsigned int entry = dirty_tx % NUM_TX_DESC;
5170                 struct ring_info *tx_skb = tp->tx_skb + entry;
5171                 u32 status;
5172
5173                 rmb();
5174                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5175                 if (status & DescOwn)
5176                         break;
5177
5178                 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5179                                      tp->TxDescArray + entry);
5180                 if (status & LastFrag) {
5181                         dev->stats.tx_packets++;
5182                         dev->stats.tx_bytes += tx_skb->skb->len;
5183                         dev_kfree_skb(tx_skb->skb);
5184                         tx_skb->skb = NULL;
5185                 }
5186                 dirty_tx++;
5187                 tx_left--;
5188         }
5189
5190         if (tp->dirty_tx != dirty_tx) {
5191                 tp->dirty_tx = dirty_tx;
5192                 smp_wmb();
5193                 if (netif_queue_stopped(dev) &&
5194                     (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5195                         netif_wake_queue(dev);
5196                 }
5197                 /*
5198                  * 8168 hack: TxPoll requests are lost when the Tx packets are
5199                  * too close. Let's kick an extra TxPoll request when a burst
5200                  * of start_xmit activity is detected (if it is not detected,
5201                  * it is slow enough). -- FR
5202                  */
5203                 smp_rmb();
5204                 if (tp->cur_tx != dirty_tx)
5205                         RTL_W8(TxPoll, NPQ);
5206         }
5207 }
5208
5209 static inline int rtl8169_fragmented_frame(u32 status)
5210 {
5211         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5212 }
5213
5214 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5215 {
5216         u32 status = opts1 & RxProtoMask;
5217
5218         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5219             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5220                 skb->ip_summed = CHECKSUM_UNNECESSARY;
5221         else
5222                 skb_checksum_none_assert(skb);
5223 }
5224
5225 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5226                                            struct rtl8169_private *tp,
5227                                            int pkt_size,
5228                                            dma_addr_t addr)
5229 {
5230         struct sk_buff *skb;
5231         struct device *d = &tp->pci_dev->dev;
5232
5233         data = rtl8169_align(data);
5234         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5235         prefetch(data);
5236         skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5237         if (skb)
5238                 memcpy(skb->data, data, pkt_size);
5239         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5240
5241         return skb;
5242 }
5243
5244 static int rtl8169_rx_interrupt(struct net_device *dev,
5245                                 struct rtl8169_private *tp,
5246                                 void __iomem *ioaddr, u32 budget)
5247 {
5248         unsigned int cur_rx, rx_left;
5249         unsigned int count;
5250
5251         cur_rx = tp->cur_rx;
5252         rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5253         rx_left = min(rx_left, budget);
5254
5255         for (; rx_left > 0; rx_left--, cur_rx++) {
5256                 unsigned int entry = cur_rx % NUM_RX_DESC;
5257                 struct RxDesc *desc = tp->RxDescArray + entry;
5258                 u32 status;
5259
5260                 rmb();
5261                 status = le32_to_cpu(desc->opts1);
5262
5263                 if (status & DescOwn)
5264                         break;
5265                 if (unlikely(status & RxRES)) {
5266                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5267                                    status);
5268                         dev->stats.rx_errors++;
5269                         if (status & (RxRWT | RxRUNT))
5270                                 dev->stats.rx_length_errors++;
5271                         if (status & RxCRC)
5272                                 dev->stats.rx_crc_errors++;
5273                         if (status & RxFOVF) {
5274                                 rtl8169_schedule_work(dev, rtl8169_reset_task);
5275                                 dev->stats.rx_fifo_errors++;
5276                         }
5277                         rtl8169_mark_to_asic(desc, rx_buf_sz);
5278                 } else {
5279                         struct sk_buff *skb;
5280                         dma_addr_t addr = le64_to_cpu(desc->addr);
5281                         int pkt_size = (status & 0x00001FFF) - 4;
5282
5283                         /*
5284                          * The driver does not support incoming fragmented
5285                          * frames. They are seen as a symptom of over-mtu
5286                          * sized frames.
5287                          */
5288                         if (unlikely(rtl8169_fragmented_frame(status))) {
5289                                 dev->stats.rx_dropped++;
5290                                 dev->stats.rx_length_errors++;
5291                                 rtl8169_mark_to_asic(desc, rx_buf_sz);
5292                                 continue;
5293                         }
5294
5295                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5296                                                   tp, pkt_size, addr);
5297                         rtl8169_mark_to_asic(desc, rx_buf_sz);
5298                         if (!skb) {
5299                                 dev->stats.rx_dropped++;
5300                                 continue;
5301                         }
5302
5303                         rtl8169_rx_csum(skb, status);
5304                         skb_put(skb, pkt_size);
5305                         skb->protocol = eth_type_trans(skb, dev);
5306
5307                         rtl8169_rx_vlan_tag(desc, skb);
5308
5309                         napi_gro_receive(&tp->napi, skb);
5310
5311                         dev->stats.rx_bytes += pkt_size;
5312                         dev->stats.rx_packets++;
5313                 }
5314
5315                 /* Work around for AMD plateform. */
5316                 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5317                     (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5318                         desc->opts2 = 0;
5319                         cur_rx++;
5320                 }
5321         }
5322
5323         count = cur_rx - tp->cur_rx;
5324         tp->cur_rx = cur_rx;
5325
5326         tp->dirty_rx += count;
5327
5328         return count;
5329 }
5330
5331 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5332 {
5333         struct net_device *dev = dev_instance;
5334         struct rtl8169_private *tp = netdev_priv(dev);
5335         void __iomem *ioaddr = tp->mmio_addr;
5336         int handled = 0;
5337         int status;
5338
5339         /* loop handling interrupts until we have no new ones or
5340          * we hit a invalid/hotplug case.
5341          */
5342         status = RTL_R16(IntrStatus);
5343         while (status && status != 0xffff) {
5344                 handled = 1;
5345
5346                 /* Handle all of the error cases first. These will reset
5347                  * the chip, so just exit the loop.
5348                  */
5349                 if (unlikely(!netif_running(dev))) {
5350                         rtl8169_hw_reset(tp);
5351                         break;
5352                 }
5353
5354                 if (unlikely(status & RxFIFOOver)) {
5355                         switch (tp->mac_version) {
5356                         /* Work around for rx fifo overflow */
5357                         case RTL_GIGA_MAC_VER_11:
5358                         case RTL_GIGA_MAC_VER_22:
5359                         case RTL_GIGA_MAC_VER_26:
5360                                 netif_stop_queue(dev);
5361                                 rtl8169_tx_timeout(dev);
5362                                 goto done;
5363                         /* Testers needed. */
5364                         case RTL_GIGA_MAC_VER_17:
5365                         case RTL_GIGA_MAC_VER_19:
5366                         case RTL_GIGA_MAC_VER_20:
5367                         case RTL_GIGA_MAC_VER_21:
5368                         case RTL_GIGA_MAC_VER_23:
5369                         case RTL_GIGA_MAC_VER_24:
5370                         case RTL_GIGA_MAC_VER_27:
5371                         case RTL_GIGA_MAC_VER_28:
5372                         case RTL_GIGA_MAC_VER_31:
5373                         /* Experimental science. Pktgen proof. */
5374                         case RTL_GIGA_MAC_VER_12:
5375                         case RTL_GIGA_MAC_VER_25:
5376                                 if (status == RxFIFOOver)
5377                                         goto done;
5378                                 break;
5379                         default:
5380                                 break;
5381                         }
5382                 }
5383
5384                 if (unlikely(status & SYSErr)) {
5385                         rtl8169_pcierr_interrupt(dev);
5386                         break;
5387                 }
5388
5389                 if (status & LinkChg)
5390                         __rtl8169_check_link_status(dev, tp, ioaddr, true);
5391
5392                 /* We need to see the lastest version of tp->intr_mask to
5393                  * avoid ignoring an MSI interrupt and having to wait for
5394                  * another event which may never come.
5395                  */
5396                 smp_rmb();
5397                 if (status & tp->intr_mask & tp->napi_event) {
5398                         RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5399                         tp->intr_mask = ~tp->napi_event;
5400
5401                         if (likely(napi_schedule_prep(&tp->napi)))
5402                                 __napi_schedule(&tp->napi);
5403                         else
5404                                 netif_info(tp, intr, dev,
5405                                            "interrupt %04x in poll\n", status);
5406                 }
5407
5408                 /* We only get a new MSI interrupt when all active irq
5409                  * sources on the chip have been acknowledged. So, ack
5410                  * everything we've seen and check if new sources have become
5411                  * active to avoid blocking all interrupts from the chip.
5412                  */
5413                 RTL_W16(IntrStatus,
5414                         (status & RxFIFOOver) ? (status | RxOverflow) : status);
5415                 status = RTL_R16(IntrStatus);
5416         }
5417 done:
5418         return IRQ_RETVAL(handled);
5419 }
5420
5421 static int rtl8169_poll(struct napi_struct *napi, int budget)
5422 {
5423         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5424         struct net_device *dev = tp->dev;
5425         void __iomem *ioaddr = tp->mmio_addr;
5426         int work_done;
5427
5428         work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5429         rtl8169_tx_interrupt(dev, tp, ioaddr);
5430
5431         if (work_done < budget) {
5432                 napi_complete(napi);
5433
5434                 /* We need for force the visibility of tp->intr_mask
5435                  * for other CPUs, as we can loose an MSI interrupt
5436                  * and potentially wait for a retransmit timeout if we don't.
5437                  * The posted write to IntrMask is safe, as it will
5438                  * eventually make it to the chip and we won't loose anything
5439                  * until it does.
5440                  */
5441                 tp->intr_mask = 0xffff;
5442                 wmb();
5443                 RTL_W16(IntrMask, tp->intr_event);
5444         }
5445
5446         return work_done;
5447 }
5448
5449 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5450 {
5451         struct rtl8169_private *tp = netdev_priv(dev);
5452
5453         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5454                 return;
5455
5456         dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5457         RTL_W32(RxMissed, 0);
5458 }
5459
5460 static void rtl8169_down(struct net_device *dev)
5461 {
5462         struct rtl8169_private *tp = netdev_priv(dev);
5463         void __iomem *ioaddr = tp->mmio_addr;
5464
5465         del_timer_sync(&tp->timer);
5466
5467         netif_stop_queue(dev);
5468
5469         napi_disable(&tp->napi);
5470
5471         spin_lock_irq(&tp->lock);
5472
5473         rtl8169_hw_reset(tp);
5474         /*
5475          * At this point device interrupts can not be enabled in any function,
5476          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5477          * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5478          */
5479         rtl8169_rx_missed(dev, ioaddr);
5480
5481         spin_unlock_irq(&tp->lock);
5482
5483         synchronize_irq(dev->irq);
5484
5485         /* Give a racing hard_start_xmit a few cycles to complete. */
5486         synchronize_sched();  /* FIXME: should this be synchronize_irq()? */
5487
5488         rtl8169_tx_clear(tp);
5489
5490         rtl8169_rx_clear(tp);
5491
5492         rtl_pll_power_down(tp);
5493 }
5494
5495 static int rtl8169_close(struct net_device *dev)
5496 {
5497         struct rtl8169_private *tp = netdev_priv(dev);
5498         struct pci_dev *pdev = tp->pci_dev;
5499
5500         pm_runtime_get_sync(&pdev->dev);
5501
5502         /* Update counters before going down */
5503         rtl8169_update_counters(dev);
5504
5505         rtl8169_down(dev);
5506
5507         free_irq(dev->irq, dev);
5508
5509         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5510                           tp->RxPhyAddr);
5511         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5512                           tp->TxPhyAddr);
5513         tp->TxDescArray = NULL;
5514         tp->RxDescArray = NULL;
5515
5516         pm_runtime_put_sync(&pdev->dev);
5517
5518         return 0;
5519 }
5520
5521 static void rtl_set_rx_mode(struct net_device *dev)
5522 {
5523         struct rtl8169_private *tp = netdev_priv(dev);
5524         void __iomem *ioaddr = tp->mmio_addr;
5525         unsigned long flags;
5526         u32 mc_filter[2];       /* Multicast hash filter */
5527         int rx_mode;
5528         u32 tmp = 0;
5529
5530         if (dev->flags & IFF_PROMISC) {
5531                 /* Unconditionally log net taps. */
5532                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5533                 rx_mode =
5534                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5535                     AcceptAllPhys;
5536                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5537         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5538                    (dev->flags & IFF_ALLMULTI)) {
5539                 /* Too many to filter perfectly -- accept all multicasts. */
5540                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5541                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5542         } else {
5543                 struct netdev_hw_addr *ha;
5544
5545                 rx_mode = AcceptBroadcast | AcceptMyPhys;
5546                 mc_filter[1] = mc_filter[0] = 0;
5547                 netdev_for_each_mc_addr(ha, dev) {
5548                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5549                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5550                         rx_mode |= AcceptMulticast;
5551                 }
5552         }
5553
5554         spin_lock_irqsave(&tp->lock, flags);
5555
5556         tmp = rtl8169_rx_config | rx_mode |
5557               (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
5558
5559         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5560                 u32 data = mc_filter[0];
5561
5562                 mc_filter[0] = swab32(mc_filter[1]);
5563                 mc_filter[1] = swab32(data);
5564         }
5565
5566         RTL_W32(MAR0 + 4, mc_filter[1]);
5567         RTL_W32(MAR0 + 0, mc_filter[0]);
5568
5569         RTL_W32(RxConfig, tmp);
5570
5571         spin_unlock_irqrestore(&tp->lock, flags);
5572 }
5573
5574 /**
5575  *  rtl8169_get_stats - Get rtl8169 read/write statistics
5576  *  @dev: The Ethernet Device to get statistics for
5577  *
5578  *  Get TX/RX statistics for rtl8169
5579  */
5580 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5581 {
5582         struct rtl8169_private *tp = netdev_priv(dev);
5583         void __iomem *ioaddr = tp->mmio_addr;
5584         unsigned long flags;
5585
5586         if (netif_running(dev)) {
5587                 spin_lock_irqsave(&tp->lock, flags);
5588                 rtl8169_rx_missed(dev, ioaddr);
5589                 spin_unlock_irqrestore(&tp->lock, flags);
5590         }
5591
5592         return &dev->stats;
5593 }
5594
5595 static void rtl8169_net_suspend(struct net_device *dev)
5596 {
5597         struct rtl8169_private *tp = netdev_priv(dev);
5598
5599         if (!netif_running(dev))
5600                 return;
5601
5602         rtl_pll_power_down(tp);
5603
5604         netif_device_detach(dev);
5605         netif_stop_queue(dev);
5606 }
5607
5608 #ifdef CONFIG_PM
5609
5610 static int rtl8169_suspend(struct device *device)
5611 {
5612         struct pci_dev *pdev = to_pci_dev(device);
5613         struct net_device *dev = pci_get_drvdata(pdev);
5614
5615         rtl8169_net_suspend(dev);
5616
5617         return 0;
5618 }
5619
5620 static void __rtl8169_resume(struct net_device *dev)
5621 {
5622         struct rtl8169_private *tp = netdev_priv(dev);
5623
5624         netif_device_attach(dev);
5625
5626         rtl_pll_power_up(tp);
5627
5628         rtl8169_schedule_work(dev, rtl8169_reset_task);
5629 }
5630
5631 static int rtl8169_resume(struct device *device)
5632 {
5633         struct pci_dev *pdev = to_pci_dev(device);
5634         struct net_device *dev = pci_get_drvdata(pdev);
5635         struct rtl8169_private *tp = netdev_priv(dev);
5636
5637         rtl8169_init_phy(dev, tp);
5638
5639         if (netif_running(dev))
5640                 __rtl8169_resume(dev);
5641
5642         return 0;
5643 }
5644
5645 static int rtl8169_runtime_suspend(struct device *device)
5646 {
5647         struct pci_dev *pdev = to_pci_dev(device);
5648         struct net_device *dev = pci_get_drvdata(pdev);
5649         struct rtl8169_private *tp = netdev_priv(dev);
5650
5651         if (!tp->TxDescArray)
5652                 return 0;
5653
5654         spin_lock_irq(&tp->lock);
5655         tp->saved_wolopts = __rtl8169_get_wol(tp);
5656         __rtl8169_set_wol(tp, WAKE_ANY);
5657         spin_unlock_irq(&tp->lock);
5658
5659         rtl8169_net_suspend(dev);
5660
5661         return 0;
5662 }
5663
5664 static int rtl8169_runtime_resume(struct device *device)
5665 {
5666         struct pci_dev *pdev = to_pci_dev(device);
5667         struct net_device *dev = pci_get_drvdata(pdev);
5668         struct rtl8169_private *tp = netdev_priv(dev);
5669
5670         if (!tp->TxDescArray)
5671                 return 0;
5672
5673         spin_lock_irq(&tp->lock);
5674         __rtl8169_set_wol(tp, tp->saved_wolopts);
5675         tp->saved_wolopts = 0;
5676         spin_unlock_irq(&tp->lock);
5677
5678         rtl8169_init_phy(dev, tp);
5679
5680         __rtl8169_resume(dev);
5681
5682         return 0;
5683 }
5684
5685 static int rtl8169_runtime_idle(struct device *device)
5686 {
5687         struct pci_dev *pdev = to_pci_dev(device);
5688         struct net_device *dev = pci_get_drvdata(pdev);
5689         struct rtl8169_private *tp = netdev_priv(dev);
5690
5691         return tp->TxDescArray ? -EBUSY : 0;
5692 }
5693
5694 static const struct dev_pm_ops rtl8169_pm_ops = {
5695         .suspend                = rtl8169_suspend,
5696         .resume                 = rtl8169_resume,
5697         .freeze                 = rtl8169_suspend,
5698         .thaw                   = rtl8169_resume,
5699         .poweroff               = rtl8169_suspend,
5700         .restore                = rtl8169_resume,
5701         .runtime_suspend        = rtl8169_runtime_suspend,
5702         .runtime_resume         = rtl8169_runtime_resume,
5703         .runtime_idle           = rtl8169_runtime_idle,
5704 };
5705
5706 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
5707
5708 #else /* !CONFIG_PM */
5709
5710 #define RTL8169_PM_OPS  NULL
5711
5712 #endif /* !CONFIG_PM */
5713
5714 static void rtl_shutdown(struct pci_dev *pdev)
5715 {
5716         struct net_device *dev = pci_get_drvdata(pdev);
5717         struct rtl8169_private *tp = netdev_priv(dev);
5718         void __iomem *ioaddr = tp->mmio_addr;
5719
5720         rtl8169_net_suspend(dev);
5721
5722         /* Restore original MAC address */
5723         rtl_rar_set(tp, dev->perm_addr);
5724
5725         spin_lock_irq(&tp->lock);
5726
5727         rtl8169_hw_reset(tp);
5728
5729         spin_unlock_irq(&tp->lock);
5730
5731         if (system_state == SYSTEM_POWER_OFF) {
5732                 /* WoL fails with 8168b when the receiver is disabled. */
5733                 if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
5734                      tp->mac_version == RTL_GIGA_MAC_VER_12 ||
5735                      tp->mac_version == RTL_GIGA_MAC_VER_17) &&
5736                     (tp->features & RTL_FEATURE_WOL)) {
5737                         pci_clear_master(pdev);
5738
5739                         RTL_W8(ChipCmd, CmdRxEnb);
5740                         /* PCI commit */
5741                         RTL_R8(ChipCmd);
5742                 }
5743
5744                 pci_wake_from_d3(pdev, true);
5745                 pci_set_power_state(pdev, PCI_D3hot);
5746         }
5747 }
5748
5749 static struct pci_driver rtl8169_pci_driver = {
5750         .name           = MODULENAME,
5751         .id_table       = rtl8169_pci_tbl,
5752         .probe          = rtl8169_init_one,
5753         .remove         = __devexit_p(rtl8169_remove_one),
5754         .shutdown       = rtl_shutdown,
5755         .driver.pm      = RTL8169_PM_OPS,
5756 };
5757
5758 static int __init rtl8169_init_module(void)
5759 {
5760         return pci_register_driver(&rtl8169_pci_driver);
5761 }
5762
5763 static void __exit rtl8169_cleanup_module(void)
5764 {
5765         pci_unregister_driver(&rtl8169_pci_driver);
5766 }
5767
5768 module_init(rtl8169_init_module);
5769 module_exit(rtl8169_cleanup_module);