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[linux-3.10.git] / sound / pci / intel8x0.c
1 /*
2  *   ALSA driver for Intel ICH (i8x0) chipsets
3  *
4  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
5  *
6  *
7  *   This code also contains alpha support for SiS 735 chipsets provided
8  *   by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet
9  *   for SiS735, so the code is not fully functional.
10  *
11  *
12  *   This program is free software; you can redistribute it and/or modify
13  *   it under the terms of the GNU General Public License as published by
14  *   the Free Software Foundation; either version 2 of the License, or
15  *   (at your option) any later version.
16  *
17  *   This program is distributed in the hope that it will be useful,
18  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
19  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  *   GNU General Public License for more details.
21  *
22  *   You should have received a copy of the GNU General Public License
23  *   along with this program; if not, write to the Free Software
24  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
25
26  *
27  */      
28
29 #include <asm/io.h>
30 #include <linux/delay.h>
31 #include <linux/interrupt.h>
32 #include <linux/init.h>
33 #include <linux/pci.h>
34 #include <linux/slab.h>
35 #include <linux/moduleparam.h>
36 #include <sound/core.h>
37 #include <sound/pcm.h>
38 #include <sound/ac97_codec.h>
39 #include <sound/info.h>
40 #include <sound/initval.h>
41 /* for 440MX workaround */
42 #include <asm/pgtable.h>
43 #include <asm/cacheflush.h>
44
45 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
46 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
47 MODULE_LICENSE("GPL");
48 MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
49                 "{Intel,82901AB-ICH0},"
50                 "{Intel,82801BA-ICH2},"
51                 "{Intel,82801CA-ICH3},"
52                 "{Intel,82801DB-ICH4},"
53                 "{Intel,ICH5},"
54                 "{Intel,ICH6},"
55                 "{Intel,ICH7},"
56                 "{Intel,6300ESB},"
57                 "{Intel,ESB2},"
58                 "{Intel,MX440},"
59                 "{SiS,SI7012},"
60                 "{NVidia,nForce Audio},"
61                 "{NVidia,nForce2 Audio},"
62                 "{NVidia,nForce3 Audio},"
63                 "{NVidia,MCP04},"
64                 "{NVidia,MCP501},"
65                 "{NVidia,CK804},"
66                 "{NVidia,CK8},"
67                 "{NVidia,CK8S},"
68                 "{AMD,AMD768},"
69                 "{AMD,AMD8111},"
70                 "{ALI,M5455}}");
71
72 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
73 static char *id = SNDRV_DEFAULT_STR1;   /* ID for this card */
74 static int ac97_clock;
75 static char *ac97_quirk;
76 static int buggy_semaphore;
77 static int buggy_irq = -1; /* auto-check */
78 static int xbox;
79 static int spdif_aclink = -1;
80
81 module_param(index, int, 0444);
82 MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
83 module_param(id, charp, 0444);
84 MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
85 module_param(ac97_clock, int, 0444);
86 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
87 module_param(ac97_quirk, charp, 0444);
88 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
89 module_param(buggy_semaphore, bool, 0444);
90 MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
91 module_param(buggy_irq, bool, 0444);
92 MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
93 module_param(xbox, bool, 0444);
94 MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
95 module_param(spdif_aclink, int, 0444);
96 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
97
98 /* just for backward compatibility */
99 static int enable;
100 module_param(enable, bool, 0444);
101 static int joystick;
102 module_param(joystick, int, 0444);
103
104 /*
105  *  Direct registers
106  */
107 enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
108
109 #define ICHREG(x) ICH_REG_##x
110
111 #define DEFINE_REGSET(name,base) \
112 enum { \
113         ICH_REG_##name##_BDBAR  = base + 0x0,   /* dword - buffer descriptor list base address */ \
114         ICH_REG_##name##_CIV    = base + 0x04,  /* byte - current index value */ \
115         ICH_REG_##name##_LVI    = base + 0x05,  /* byte - last valid index */ \
116         ICH_REG_##name##_SR     = base + 0x06,  /* byte - status register */ \
117         ICH_REG_##name##_PICB   = base + 0x08,  /* word - position in current buffer */ \
118         ICH_REG_##name##_PIV    = base + 0x0a,  /* byte - prefetched index value */ \
119         ICH_REG_##name##_CR     = base + 0x0b,  /* byte - control register */ \
120 };
121
122 /* busmaster blocks */
123 DEFINE_REGSET(OFF, 0);          /* offset */
124 DEFINE_REGSET(PI, 0x00);        /* PCM in */
125 DEFINE_REGSET(PO, 0x10);        /* PCM out */
126 DEFINE_REGSET(MC, 0x20);        /* Mic in */
127
128 /* ICH4 busmaster blocks */
129 DEFINE_REGSET(MC2, 0x40);       /* Mic in 2 */
130 DEFINE_REGSET(PI2, 0x50);       /* PCM in 2 */
131 DEFINE_REGSET(SP, 0x60);        /* SPDIF out */
132
133 /* values for each busmaster block */
134
135 /* LVI */
136 #define ICH_REG_LVI_MASK                0x1f
137
138 /* SR */
139 #define ICH_FIFOE                       0x10    /* FIFO error */
140 #define ICH_BCIS                        0x08    /* buffer completion interrupt status */
141 #define ICH_LVBCI                       0x04    /* last valid buffer completion interrupt */
142 #define ICH_CELV                        0x02    /* current equals last valid */
143 #define ICH_DCH                         0x01    /* DMA controller halted */
144
145 /* PIV */
146 #define ICH_REG_PIV_MASK                0x1f    /* mask */
147
148 /* CR */
149 #define ICH_IOCE                        0x10    /* interrupt on completion enable */
150 #define ICH_FEIE                        0x08    /* fifo error interrupt enable */
151 #define ICH_LVBIE                       0x04    /* last valid buffer interrupt enable */
152 #define ICH_RESETREGS                   0x02    /* reset busmaster registers */
153 #define ICH_STARTBM                     0x01    /* start busmaster operation */
154
155
156 /* global block */
157 #define ICH_REG_GLOB_CNT                0x2c    /* dword - global control */
158 #define   ICH_PCM_SPDIF_MASK    0xc0000000      /* s/pdif pcm slot mask (ICH4) */
159 #define   ICH_PCM_SPDIF_NONE    0x00000000      /* reserved - undefined */
160 #define   ICH_PCM_SPDIF_78      0x40000000      /* s/pdif pcm on slots 7&8 */
161 #define   ICH_PCM_SPDIF_69      0x80000000      /* s/pdif pcm on slots 6&9 */
162 #define   ICH_PCM_SPDIF_1011    0xc0000000      /* s/pdif pcm on slots 10&11 */
163 #define   ICH_PCM_20BIT         0x00400000      /* 20-bit samples (ICH4) */
164 #define   ICH_PCM_246_MASK      0x00300000      /* chan mask (not all chips) */
165 #define   ICH_PCM_8             0x00300000      /* 8 channels (not all chips) */
166 #define   ICH_PCM_6             0x00200000      /* 6 channels (not all chips) */
167 #define   ICH_PCM_4             0x00100000      /* 4 channels (not all chips) */
168 #define   ICH_PCM_2             0x00000000      /* 2 channels (stereo) */
169 #define   ICH_SIS_PCM_246_MASK  0x000000c0      /* 6 channels (SIS7012) */
170 #define   ICH_SIS_PCM_6         0x00000080      /* 6 channels (SIS7012) */
171 #define   ICH_SIS_PCM_4         0x00000040      /* 4 channels (SIS7012) */
172 #define   ICH_SIS_PCM_2         0x00000000      /* 2 channels (SIS7012) */
173 #define   ICH_TRIE              0x00000040      /* tertiary resume interrupt enable */
174 #define   ICH_SRIE              0x00000020      /* secondary resume interrupt enable */
175 #define   ICH_PRIE              0x00000010      /* primary resume interrupt enable */
176 #define   ICH_ACLINK            0x00000008      /* AClink shut off */
177 #define   ICH_AC97WARM          0x00000004      /* AC'97 warm reset */
178 #define   ICH_AC97COLD          0x00000002      /* AC'97 cold reset */
179 #define   ICH_GIE               0x00000001      /* GPI interrupt enable */
180 #define ICH_REG_GLOB_STA                0x30    /* dword - global status */
181 #define   ICH_TRI               0x20000000      /* ICH4: tertiary (AC_SDIN2) resume interrupt */
182 #define   ICH_TCR               0x10000000      /* ICH4: tertiary (AC_SDIN2) codec ready */
183 #define   ICH_BCS               0x08000000      /* ICH4: bit clock stopped */
184 #define   ICH_SPINT             0x04000000      /* ICH4: S/PDIF interrupt */
185 #define   ICH_P2INT             0x02000000      /* ICH4: PCM2-In interrupt */
186 #define   ICH_M2INT             0x01000000      /* ICH4: Mic2-In interrupt */
187 #define   ICH_SAMPLE_CAP        0x00c00000      /* ICH4: sample capability bits (RO) */
188 #define   ICH_SAMPLE_16_20      0x00400000      /* ICH4: 16- and 20-bit samples */
189 #define   ICH_MULTICHAN_CAP     0x00300000      /* ICH4: multi-channel capability bits (RO) */
190 #define   ICH_SIS_TRI           0x00080000      /* SIS: tertiary resume irq */
191 #define   ICH_SIS_TCR           0x00040000      /* SIS: tertiary codec ready */
192 #define   ICH_MD3               0x00020000      /* modem power down semaphore */
193 #define   ICH_AD3               0x00010000      /* audio power down semaphore */
194 #define   ICH_RCS               0x00008000      /* read completion status */
195 #define   ICH_BIT3              0x00004000      /* bit 3 slot 12 */
196 #define   ICH_BIT2              0x00002000      /* bit 2 slot 12 */
197 #define   ICH_BIT1              0x00001000      /* bit 1 slot 12 */
198 #define   ICH_SRI               0x00000800      /* secondary (AC_SDIN1) resume interrupt */
199 #define   ICH_PRI               0x00000400      /* primary (AC_SDIN0) resume interrupt */
200 #define   ICH_SCR               0x00000200      /* secondary (AC_SDIN1) codec ready */
201 #define   ICH_PCR               0x00000100      /* primary (AC_SDIN0) codec ready */
202 #define   ICH_MCINT             0x00000080      /* MIC capture interrupt */
203 #define   ICH_POINT             0x00000040      /* playback interrupt */
204 #define   ICH_PIINT             0x00000020      /* capture interrupt */
205 #define   ICH_NVSPINT           0x00000010      /* nforce spdif interrupt */
206 #define   ICH_MOINT             0x00000004      /* modem playback interrupt */
207 #define   ICH_MIINT             0x00000002      /* modem capture interrupt */
208 #define   ICH_GSCI              0x00000001      /* GPI status change interrupt */
209 #define ICH_REG_ACC_SEMA                0x34    /* byte - codec write semaphore */
210 #define   ICH_CAS               0x01            /* codec access semaphore */
211 #define ICH_REG_SDM             0x80
212 #define   ICH_DI2L_MASK         0x000000c0      /* PCM In 2, Mic In 2 data in line */
213 #define   ICH_DI2L_SHIFT        6
214 #define   ICH_DI1L_MASK         0x00000030      /* PCM In 1, Mic In 1 data in line */
215 #define   ICH_DI1L_SHIFT        4
216 #define   ICH_SE                0x00000008      /* steer enable */
217 #define   ICH_LDI_MASK          0x00000003      /* last codec read data input */
218
219 #define ICH_MAX_FRAGS           32              /* max hw frags */
220
221
222 /*
223  * registers for Ali5455
224  */
225
226 /* ALi 5455 busmaster blocks */
227 DEFINE_REGSET(AL_PI, 0x40);     /* ALi PCM in */
228 DEFINE_REGSET(AL_PO, 0x50);     /* Ali PCM out */
229 DEFINE_REGSET(AL_MC, 0x60);     /* Ali Mic in */
230 DEFINE_REGSET(AL_CDC_SPO, 0x70);        /* Ali Codec SPDIF out */
231 DEFINE_REGSET(AL_CENTER, 0x80);         /* Ali center out */
232 DEFINE_REGSET(AL_LFE, 0x90);            /* Ali center out */
233 DEFINE_REGSET(AL_CLR_SPI, 0xa0);        /* Ali Controller SPDIF in */
234 DEFINE_REGSET(AL_CLR_SPO, 0xb0);        /* Ali Controller SPDIF out */
235 DEFINE_REGSET(AL_I2S, 0xc0);    /* Ali I2S in */
236 DEFINE_REGSET(AL_PI2, 0xd0);    /* Ali PCM2 in */
237 DEFINE_REGSET(AL_MC2, 0xe0);    /* Ali Mic2 in */
238
239 enum {
240         ICH_REG_ALI_SCR = 0x00,         /* System Control Register */
241         ICH_REG_ALI_SSR = 0x04,         /* System Status Register  */
242         ICH_REG_ALI_DMACR = 0x08,       /* DMA Control Register    */
243         ICH_REG_ALI_FIFOCR1 = 0x0c,     /* FIFO Control Register 1  */
244         ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
245         ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
246         ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt  Status Register */
247         ICH_REG_ALI_FIFOCR2 = 0x1c,     /* FIFO Control Register 2   */
248         ICH_REG_ALI_CPR = 0x20,         /* Command Port Register     */
249         ICH_REG_ALI_CPR_ADDR = 0x22,    /* ac97 addr write */
250         ICH_REG_ALI_SPR = 0x24,         /* Status Port Register      */
251         ICH_REG_ALI_SPR_ADDR = 0x26,    /* ac97 addr read */
252         ICH_REG_ALI_FIFOCR3 = 0x2c,     /* FIFO Control Register 3  */
253         ICH_REG_ALI_TTSR = 0x30,        /* Transmit Tag Slot Register */
254         ICH_REG_ALI_RTSR = 0x34,        /* Receive Tag Slot  Register */
255         ICH_REG_ALI_CSPSR = 0x38,       /* Command/Status Port Status Register */
256         ICH_REG_ALI_CAS = 0x3c,         /* Codec Write Semaphore Register */
257         ICH_REG_ALI_HWVOL = 0xf0,       /* hardware volume control/status */
258         ICH_REG_ALI_I2SCR = 0xf4,       /* I2S control/status */
259         ICH_REG_ALI_SPDIFCSR = 0xf8,    /* spdif channel status register  */
260         ICH_REG_ALI_SPDIFICS = 0xfc,    /* spdif interface control/status  */
261 };
262
263 #define ALI_CAS_SEM_BUSY        0x80000000
264 #define ALI_CPR_ADDR_SECONDARY  0x100
265 #define ALI_CPR_ADDR_READ       0x80
266 #define ALI_CSPSR_CODEC_READY   0x08
267 #define ALI_CSPSR_READ_OK       0x02
268 #define ALI_CSPSR_WRITE_OK      0x01
269
270 /* interrupts for the whole chip by interrupt status register finish */
271  
272 #define ALI_INT_MICIN2          (1<<26)
273 #define ALI_INT_PCMIN2          (1<<25)
274 #define ALI_INT_I2SIN           (1<<24)
275 #define ALI_INT_SPDIFOUT        (1<<23) /* controller spdif out INTERRUPT */
276 #define ALI_INT_SPDIFIN         (1<<22)
277 #define ALI_INT_LFEOUT          (1<<21)
278 #define ALI_INT_CENTEROUT       (1<<20)
279 #define ALI_INT_CODECSPDIFOUT   (1<<19)
280 #define ALI_INT_MICIN           (1<<18)
281 #define ALI_INT_PCMOUT          (1<<17)
282 #define ALI_INT_PCMIN           (1<<16)
283 #define ALI_INT_CPRAIS          (1<<7)  /* command port available */
284 #define ALI_INT_SPRAIS          (1<<5)  /* status port available */
285 #define ALI_INT_GPIO            (1<<1)
286 #define ALI_INT_MASK            (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
287                                  ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
288
289 #define ICH_ALI_SC_RESET        (1<<31) /* master reset */
290 #define ICH_ALI_SC_AC97_DBL     (1<<30)
291 #define ICH_ALI_SC_CODEC_SPDF   (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
292 #define ICH_ALI_SC_IN_BITS      (3<<18)
293 #define ICH_ALI_SC_OUT_BITS     (3<<16)
294 #define ICH_ALI_SC_6CH_CFG      (3<<14)
295 #define ICH_ALI_SC_PCM_4        (1<<8)
296 #define ICH_ALI_SC_PCM_6        (2<<8)
297 #define ICH_ALI_SC_PCM_246_MASK (3<<8)
298
299 #define ICH_ALI_SS_SEC_ID       (3<<5)
300 #define ICH_ALI_SS_PRI_ID       (3<<3)
301
302 #define ICH_ALI_IF_AC97SP       (1<<21)
303 #define ICH_ALI_IF_MC           (1<<20)
304 #define ICH_ALI_IF_PI           (1<<19)
305 #define ICH_ALI_IF_MC2          (1<<18)
306 #define ICH_ALI_IF_PI2          (1<<17)
307 #define ICH_ALI_IF_LINE_SRC     (1<<15) /* 0/1 = slot 3/6 */
308 #define ICH_ALI_IF_MIC_SRC      (1<<14) /* 0/1 = slot 3/6 */
309 #define ICH_ALI_IF_SPDF_SRC     (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
310 #define ICH_ALI_IF_AC97_OUT     (3<<8)  /* 00 = PCM, 10 = spdif-in, 11 = i2s */
311 #define ICH_ALI_IF_PO_SPDF      (1<<3)
312 #define ICH_ALI_IF_PO           (1<<1)
313
314 /*
315  *  
316  */
317
318 enum {
319         ICHD_PCMIN,
320         ICHD_PCMOUT,
321         ICHD_MIC,
322         ICHD_MIC2,
323         ICHD_PCM2IN,
324         ICHD_SPBAR,
325         ICHD_LAST = ICHD_SPBAR
326 };
327 enum {
328         NVD_PCMIN,
329         NVD_PCMOUT,
330         NVD_MIC,
331         NVD_SPBAR,
332         NVD_LAST = NVD_SPBAR
333 };
334 enum {
335         ALID_PCMIN,
336         ALID_PCMOUT,
337         ALID_MIC,
338         ALID_AC97SPDIFOUT,
339         ALID_SPDIFIN,
340         ALID_SPDIFOUT,
341         ALID_LAST = ALID_SPDIFOUT
342 };
343
344 #define get_ichdev(substream) (substream->runtime->private_data)
345
346 struct ichdev {
347         unsigned int ichd;                      /* ich device number */
348         unsigned long reg_offset;               /* offset to bmaddr */
349         u32 *bdbar;                             /* CPU address (32bit) */
350         unsigned int bdbar_addr;                /* PCI bus address (32bit) */
351         struct snd_pcm_substream *substream;
352         unsigned int physbuf;                   /* physical address (32bit) */
353         unsigned int size;
354         unsigned int fragsize;
355         unsigned int fragsize1;
356         unsigned int position;
357         unsigned int pos_shift;
358         unsigned int last_pos;
359         unsigned long last_pos_jiffies;
360         unsigned int jiffy_to_bytes;
361         int frags;
362         int lvi;
363         int lvi_frag;
364         int civ;
365         int ack;
366         int ack_reload;
367         unsigned int ack_bit;
368         unsigned int roff_sr;
369         unsigned int roff_picb;
370         unsigned int int_sta_mask;              /* interrupt status mask */
371         unsigned int ali_slot;                  /* ALI DMA slot */
372         struct ac97_pcm *pcm;
373         int pcm_open_flag;
374         unsigned int page_attr_changed: 1;
375         unsigned int suspended: 1;
376 };
377
378 struct intel8x0 {
379         unsigned int device_type;
380
381         int irq;
382
383         void __iomem *addr;
384         void __iomem *bmaddr;
385
386         struct pci_dev *pci;
387         struct snd_card *card;
388
389         int pcm_devs;
390         struct snd_pcm *pcm[6];
391         struct ichdev ichd[6];
392
393         unsigned multi4: 1,
394                  multi6: 1,
395                  multi8 :1,
396                  dra: 1,
397                  smp20bit: 1;
398         unsigned in_ac97_init: 1,
399                  in_sdin_init: 1;
400         unsigned in_measurement: 1;     /* during ac97 clock measurement */
401         unsigned fix_nocache: 1;        /* workaround for 440MX */
402         unsigned buggy_irq: 1;          /* workaround for buggy mobos */
403         unsigned xbox: 1;               /* workaround for Xbox AC'97 detection */
404         unsigned buggy_semaphore: 1;    /* workaround for buggy codec semaphore */
405
406         int spdif_idx;  /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
407         unsigned int sdm_saved; /* SDM reg value */
408
409         struct snd_ac97_bus *ac97_bus;
410         struct snd_ac97 *ac97[3];
411         unsigned int ac97_sdin[3];
412         unsigned int max_codecs, ncodecs;
413         unsigned int *codec_bit;
414         unsigned int codec_isr_bits;
415         unsigned int codec_ready_bits;
416
417         spinlock_t reg_lock;
418         
419         u32 bdbars_count;
420         struct snd_dma_buffer bdbars;
421         u32 int_sta_reg;                /* interrupt status register */
422         u32 int_sta_mask;               /* interrupt status mask */
423 };
424
425 static struct pci_device_id snd_intel8x0_ids[] = {
426         { 0x8086, 0x2415, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */
427         { 0x8086, 0x2425, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */
428         { 0x8086, 0x2445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */
429         { 0x8086, 0x2485, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */
430         { 0x8086, 0x24c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH4 */
431         { 0x8086, 0x24d5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH5 */
432         { 0x8086, 0x25a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB */
433         { 0x8086, 0x266e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH6 */
434         { 0x8086, 0x27de, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH7 */
435         { 0x8086, 0x2698, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB2 */
436         { 0x8086, 0x7195, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */
437         { 0x1039, 0x7012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS },   /* SI7012 */
438         { 0x10de, 0x01b1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* NFORCE */
439         { 0x10de, 0x003a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* MCP04 */
440         { 0x10de, 0x006a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* NFORCE2 */
441         { 0x10de, 0x0059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* CK804 */
442         { 0x10de, 0x008a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* CK8 */
443         { 0x10de, 0x00da, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* NFORCE3 */
444         { 0x10de, 0x00ea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* CK8S */
445         { 0x10de, 0x026b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE },        /* MCP51 */
446         { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */
447         { 0x1022, 0x7445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */
448         { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI },   /* Ali5455 */
449         { 0, }
450 };
451
452 MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
453
454 /*
455  *  Lowlevel I/O - busmaster
456  */
457
458 static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
459 {
460         return ioread8(chip->bmaddr + offset);
461 }
462
463 static inline u16 igetword(struct intel8x0 *chip, u32 offset)
464 {
465         return ioread16(chip->bmaddr + offset);
466 }
467
468 static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
469 {
470         return ioread32(chip->bmaddr + offset);
471 }
472
473 static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
474 {
475         iowrite8(val, chip->bmaddr + offset);
476 }
477
478 static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
479 {
480         iowrite16(val, chip->bmaddr + offset);
481 }
482
483 static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
484 {
485         iowrite32(val, chip->bmaddr + offset);
486 }
487
488 /*
489  *  Lowlevel I/O - AC'97 registers
490  */
491
492 static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
493 {
494         return ioread16(chip->addr + offset);
495 }
496
497 static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
498 {
499         iowrite16(val, chip->addr + offset);
500 }
501
502 /*
503  *  Basic I/O
504  */
505
506 /*
507  * access to AC97 codec via normal i/o (for ICH and SIS7012)
508  */
509
510 static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
511 {
512         int time;
513         
514         if (codec > 2)
515                 return -EIO;
516         if (chip->in_sdin_init) {
517                 /* we don't know the ready bit assignment at the moment */
518                 /* so we check any */
519                 codec = chip->codec_isr_bits;
520         } else {
521                 codec = chip->codec_bit[chip->ac97_sdin[codec]];
522         }
523
524         /* codec ready ? */
525         if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
526                 return -EIO;
527
528         if (chip->buggy_semaphore)
529                 return 0; /* just ignore ... */
530
531         /* Anyone holding a semaphore for 1 msec should be shot... */
532         time = 100;
533         do {
534                 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
535                         return 0;
536                 udelay(10);
537         } while (time--);
538
539         /* access to some forbidden (non existant) ac97 registers will not
540          * reset the semaphore. So even if you don't get the semaphore, still
541          * continue the access. We don't need the semaphore anyway. */
542         snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
543                         igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
544         iagetword(chip, 0);     /* clear semaphore flag */
545         /* I don't care about the semaphore */
546         return -EBUSY;
547 }
548  
549 static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
550                                      unsigned short reg,
551                                      unsigned short val)
552 {
553         struct intel8x0 *chip = ac97->private_data;
554         
555         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
556                 if (! chip->in_ac97_init)
557                         snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
558         }
559         iaputword(chip, reg + ac97->num * 0x80, val);
560 }
561
562 static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
563                                               unsigned short reg)
564 {
565         struct intel8x0 *chip = ac97->private_data;
566         unsigned short res;
567         unsigned int tmp;
568
569         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
570                 if (! chip->in_ac97_init)
571                         snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
572                 res = 0xffff;
573         } else {
574                 res = iagetword(chip, reg + ac97->num * 0x80);
575                 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
576                         /* reset RCS and preserve other R/WC bits */
577                         iputdword(chip, ICHREG(GLOB_STA), tmp &
578                                   ~(chip->codec_ready_bits | ICH_GSCI));
579                         if (! chip->in_ac97_init)
580                                 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
581                         res = 0xffff;
582                 }
583         }
584         return res;
585 }
586
587 static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip,
588                                                    unsigned int codec)
589 {
590         unsigned int tmp;
591
592         if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
593                 iagetword(chip, codec * 0x80);
594                 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
595                         /* reset RCS and preserve other R/WC bits */
596                         iputdword(chip, ICHREG(GLOB_STA), tmp &
597                                   ~(chip->codec_ready_bits | ICH_GSCI));
598                 }
599         }
600 }
601
602 /*
603  * access to AC97 for Ali5455
604  */
605 static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
606 {
607         int count = 0;
608         for (count = 0; count < 0x7f; count++) {
609                 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
610                 if (val & mask)
611                         return 0;
612         }
613         if (! chip->in_ac97_init)
614                 snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
615         return -EBUSY;
616 }
617
618 static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
619 {
620         int time = 100;
621         if (chip->buggy_semaphore)
622                 return 0; /* just ignore ... */
623         while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
624                 udelay(1);
625         if (! time && ! chip->in_ac97_init)
626                 snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
627         return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
628 }
629
630 static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
631 {
632         struct intel8x0 *chip = ac97->private_data;
633         unsigned short data = 0xffff;
634
635         if (snd_intel8x0_ali_codec_semaphore(chip))
636                 goto __err;
637         reg |= ALI_CPR_ADDR_READ;
638         if (ac97->num)
639                 reg |= ALI_CPR_ADDR_SECONDARY;
640         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
641         if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
642                 goto __err;
643         data = igetword(chip, ICHREG(ALI_SPR));
644  __err:
645         return data;
646 }
647
648 static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
649                                          unsigned short val)
650 {
651         struct intel8x0 *chip = ac97->private_data;
652
653         if (snd_intel8x0_ali_codec_semaphore(chip))
654                 return;
655         iputword(chip, ICHREG(ALI_CPR), val);
656         if (ac97->num)
657                 reg |= ALI_CPR_ADDR_SECONDARY;
658         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
659         snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
660 }
661
662
663 /*
664  * DMA I/O
665  */
666 static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) 
667 {
668         int idx;
669         u32 *bdbar = ichdev->bdbar;
670         unsigned long port = ichdev->reg_offset;
671
672         iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
673         if (ichdev->size == ichdev->fragsize) {
674                 ichdev->ack_reload = ichdev->ack = 2;
675                 ichdev->fragsize1 = ichdev->fragsize >> 1;
676                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
677                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
678                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
679                                                      ichdev->fragsize1 >> ichdev->pos_shift);
680                         bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
681                         bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
682                                                      ichdev->fragsize1 >> ichdev->pos_shift);
683                 }
684                 ichdev->frags = 2;
685         } else {
686                 ichdev->ack_reload = ichdev->ack = 1;
687                 ichdev->fragsize1 = ichdev->fragsize;
688                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
689                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
690                                                      (((idx >> 1) * ichdev->fragsize) %
691                                                       ichdev->size));
692                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
693                                                      ichdev->fragsize >> ichdev->pos_shift);
694 #if 0
695                         printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n",
696                                idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
697 #endif
698                 }
699                 ichdev->frags = ichdev->size / ichdev->fragsize;
700         }
701         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
702         ichdev->civ = 0;
703         iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
704         ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
705         ichdev->position = 0;
706 #if 0
707         printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, "
708                "period_size1 = 0x%x\n",
709                ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
710                ichdev->fragsize1);
711 #endif
712         /* clear interrupts */
713         iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
714 }
715
716 #ifdef __i386__
717 /*
718  * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
719  * which aborts PCI busmaster for audio transfer.  A workaround is to set
720  * the pages as non-cached.  For details, see the errata in
721  *      http://www.intel.com/design/chipsets/specupdt/245051.htm
722  */
723 static void fill_nocache(void *buf, int size, int nocache)
724 {
725         size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
726         if (nocache)
727                 set_pages_uc(virt_to_page(buf), size);
728         else
729                 set_pages_wb(virt_to_page(buf), size);
730 }
731 #else
732 #define fill_nocache(buf, size, nocache) do { ; } while (0)
733 #endif
734
735 /*
736  *  Interrupt handler
737  */
738
739 static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
740 {
741         unsigned long port = ichdev->reg_offset;
742         unsigned long flags;
743         int status, civ, i, step;
744         int ack = 0;
745
746         spin_lock_irqsave(&chip->reg_lock, flags);
747         status = igetbyte(chip, port + ichdev->roff_sr);
748         civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
749         if (!(status & ICH_BCIS)) {
750                 step = 0;
751         } else if (civ == ichdev->civ) {
752                 // snd_printd("civ same %d\n", civ);
753                 step = 1;
754                 ichdev->civ++;
755                 ichdev->civ &= ICH_REG_LVI_MASK;
756         } else {
757                 step = civ - ichdev->civ;
758                 if (step < 0)
759                         step += ICH_REG_LVI_MASK + 1;
760                 // if (step != 1)
761                 //      snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
762                 ichdev->civ = civ;
763         }
764
765         ichdev->position += step * ichdev->fragsize1;
766         if (! chip->in_measurement)
767                 ichdev->position %= ichdev->size;
768         ichdev->lvi += step;
769         ichdev->lvi &= ICH_REG_LVI_MASK;
770         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
771         for (i = 0; i < step; i++) {
772                 ichdev->lvi_frag++;
773                 ichdev->lvi_frag %= ichdev->frags;
774                 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
775 #if 0
776         printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, "
777                "all = 0x%x, 0x%x\n",
778                ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
779                ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
780                inl(port + 4), inb(port + ICH_REG_OFF_CR));
781 #endif
782                 if (--ichdev->ack == 0) {
783                         ichdev->ack = ichdev->ack_reload;
784                         ack = 1;
785                 }
786         }
787         spin_unlock_irqrestore(&chip->reg_lock, flags);
788         if (ack && ichdev->substream) {
789                 snd_pcm_period_elapsed(ichdev->substream);
790         }
791         iputbyte(chip, port + ichdev->roff_sr,
792                  status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
793 }
794
795 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
796 {
797         struct intel8x0 *chip = dev_id;
798         struct ichdev *ichdev;
799         unsigned int status;
800         unsigned int i;
801
802         status = igetdword(chip, chip->int_sta_reg);
803         if (status == 0xffffffff)       /* we are not yet resumed */
804                 return IRQ_NONE;
805
806         if ((status & chip->int_sta_mask) == 0) {
807                 if (status) {
808                         /* ack */
809                         iputdword(chip, chip->int_sta_reg, status);
810                         if (! chip->buggy_irq)
811                                 status = 0;
812                 }
813                 return IRQ_RETVAL(status);
814         }
815
816         for (i = 0; i < chip->bdbars_count; i++) {
817                 ichdev = &chip->ichd[i];
818                 if (status & ichdev->int_sta_mask)
819                         snd_intel8x0_update(chip, ichdev);
820         }
821
822         /* ack them */
823         iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
824         
825         return IRQ_HANDLED;
826 }
827
828 /*
829  *  PCM part
830  */
831
832 static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
833 {
834         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
835         struct ichdev *ichdev = get_ichdev(substream);
836         unsigned char val = 0;
837         unsigned long port = ichdev->reg_offset;
838
839         switch (cmd) {
840         case SNDRV_PCM_TRIGGER_RESUME:
841                 ichdev->suspended = 0;
842                 /* fallthru */
843         case SNDRV_PCM_TRIGGER_START:
844         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
845                 val = ICH_IOCE | ICH_STARTBM;
846                 ichdev->last_pos = ichdev->position;
847                 ichdev->last_pos_jiffies = jiffies;
848                 break;
849         case SNDRV_PCM_TRIGGER_SUSPEND:
850                 ichdev->suspended = 1;
851                 /* fallthru */
852         case SNDRV_PCM_TRIGGER_STOP:
853                 val = 0;
854                 break;
855         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
856                 val = ICH_IOCE;
857                 break;
858         default:
859                 return -EINVAL;
860         }
861         iputbyte(chip, port + ICH_REG_OFF_CR, val);
862         if (cmd == SNDRV_PCM_TRIGGER_STOP) {
863                 /* wait until DMA stopped */
864                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
865                 /* reset whole DMA things */
866                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
867         }
868         return 0;
869 }
870
871 static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
872 {
873         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
874         struct ichdev *ichdev = get_ichdev(substream);
875         unsigned long port = ichdev->reg_offset;
876         static int fiforeg[] = {
877                 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
878         };
879         unsigned int val, fifo;
880
881         val = igetdword(chip, ICHREG(ALI_DMACR));
882         switch (cmd) {
883         case SNDRV_PCM_TRIGGER_RESUME:
884                 ichdev->suspended = 0;
885                 /* fallthru */
886         case SNDRV_PCM_TRIGGER_START:
887         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
888                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
889                         /* clear FIFO for synchronization of channels */
890                         fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
891                         fifo &= ~(0xff << (ichdev->ali_slot % 4));  
892                         fifo |= 0x83 << (ichdev->ali_slot % 4); 
893                         iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
894                 }
895                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
896                 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
897                 /* start DMA */
898                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
899                 break;
900         case SNDRV_PCM_TRIGGER_SUSPEND:
901                 ichdev->suspended = 1;
902                 /* fallthru */
903         case SNDRV_PCM_TRIGGER_STOP:
904         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
905                 /* pause */
906                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
907                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
908                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
909                         ;
910                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
911                         break;
912                 /* reset whole DMA things */
913                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
914                 /* clear interrupts */
915                 iputbyte(chip, port + ICH_REG_OFF_SR,
916                          igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
917                 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
918                           igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
919                 break;
920         default:
921                 return -EINVAL;
922         }
923         return 0;
924 }
925
926 static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
927                                   struct snd_pcm_hw_params *hw_params)
928 {
929         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
930         struct ichdev *ichdev = get_ichdev(substream);
931         struct snd_pcm_runtime *runtime = substream->runtime;
932         int dbl = params_rate(hw_params) > 48000;
933         int err;
934
935         if (chip->fix_nocache && ichdev->page_attr_changed) {
936                 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
937                 ichdev->page_attr_changed = 0;
938         }
939         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
940         if (err < 0)
941                 return err;
942         if (chip->fix_nocache) {
943                 if (runtime->dma_area && ! ichdev->page_attr_changed) {
944                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
945                         ichdev->page_attr_changed = 1;
946                 }
947         }
948         if (ichdev->pcm_open_flag) {
949                 snd_ac97_pcm_close(ichdev->pcm);
950                 ichdev->pcm_open_flag = 0;
951         }
952         err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
953                                 params_channels(hw_params),
954                                 ichdev->pcm->r[dbl].slots);
955         if (err >= 0) {
956                 ichdev->pcm_open_flag = 1;
957                 /* Force SPDIF setting */
958                 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
959                         snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
960                                           params_rate(hw_params));
961         }
962         return err;
963 }
964
965 static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
966 {
967         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
968         struct ichdev *ichdev = get_ichdev(substream);
969
970         if (ichdev->pcm_open_flag) {
971                 snd_ac97_pcm_close(ichdev->pcm);
972                 ichdev->pcm_open_flag = 0;
973         }
974         if (chip->fix_nocache && ichdev->page_attr_changed) {
975                 fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
976                 ichdev->page_attr_changed = 0;
977         }
978         return snd_pcm_lib_free_pages(substream);
979 }
980
981 static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
982                                        struct snd_pcm_runtime *runtime)
983 {
984         unsigned int cnt;
985         int dbl = runtime->rate > 48000;
986
987         spin_lock_irq(&chip->reg_lock);
988         switch (chip->device_type) {
989         case DEVICE_ALI:
990                 cnt = igetdword(chip, ICHREG(ALI_SCR));
991                 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
992                 if (runtime->channels == 4 || dbl)
993                         cnt |= ICH_ALI_SC_PCM_4;
994                 else if (runtime->channels == 6)
995                         cnt |= ICH_ALI_SC_PCM_6;
996                 iputdword(chip, ICHREG(ALI_SCR), cnt);
997                 break;
998         case DEVICE_SIS:
999                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1000                 cnt &= ~ICH_SIS_PCM_246_MASK;
1001                 if (runtime->channels == 4 || dbl)
1002                         cnt |= ICH_SIS_PCM_4;
1003                 else if (runtime->channels == 6)
1004                         cnt |= ICH_SIS_PCM_6;
1005                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1006                 break;
1007         default:
1008                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1009                 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1010                 if (runtime->channels == 4 || dbl)
1011                         cnt |= ICH_PCM_4;
1012                 else if (runtime->channels == 6)
1013                         cnt |= ICH_PCM_6;
1014                 else if (runtime->channels == 8)
1015                         cnt |= ICH_PCM_8;
1016                 if (chip->device_type == DEVICE_NFORCE) {
1017                         /* reset to 2ch once to keep the 6 channel data in alignment,
1018                          * to start from Front Left always
1019                          */
1020                         if (cnt & ICH_PCM_246_MASK) {
1021                                 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1022                                 spin_unlock_irq(&chip->reg_lock);
1023                                 msleep(50); /* grrr... */
1024                                 spin_lock_irq(&chip->reg_lock);
1025                         }
1026                 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
1027                         if (runtime->sample_bits > 16)
1028                                 cnt |= ICH_PCM_20BIT;
1029                 }
1030                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1031                 break;
1032         }
1033         spin_unlock_irq(&chip->reg_lock);
1034 }
1035
1036 static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1037 {
1038         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1039         struct snd_pcm_runtime *runtime = substream->runtime;
1040         struct ichdev *ichdev = get_ichdev(substream);
1041
1042         ichdev->physbuf = runtime->dma_addr;
1043         ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1044         ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1045         if (ichdev->ichd == ICHD_PCMOUT) {
1046                 snd_intel8x0_setup_pcm_out(chip, runtime);
1047                 if (chip->device_type == DEVICE_INTEL_ICH4)
1048                         ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1049         }
1050         snd_intel8x0_setup_periods(chip, ichdev);
1051         ichdev->jiffy_to_bytes = (runtime->rate * 4 * ichdev->pos_shift) / HZ;
1052         return 0;
1053 }
1054
1055 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1056 {
1057         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1058         struct ichdev *ichdev = get_ichdev(substream);
1059         size_t ptr1, ptr;
1060         int civ, timeout = 10;
1061         unsigned int position;
1062
1063         spin_lock(&chip->reg_lock);
1064         do {
1065                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1066                 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1067                 position = ichdev->position;
1068                 if (ptr1 == 0) {
1069                         udelay(10);
1070                         continue;
1071                 }
1072                 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
1073                     ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1074                         break;
1075         } while (timeout--);
1076         if (ptr1 != 0) {
1077                 ptr1 <<= ichdev->pos_shift;
1078                 ptr = ichdev->fragsize1 - ptr1;
1079                 ptr += position;
1080                 ichdev->last_pos = ptr;
1081                 ichdev->last_pos_jiffies = jiffies;
1082         } else {
1083                 ptr1 = jiffies - ichdev->last_pos_jiffies;
1084                 if (ptr1)
1085                         ptr1 -= 1;
1086                 ptr = ichdev->last_pos + ptr1 * ichdev->jiffy_to_bytes;
1087                 ptr %= ichdev->size;
1088         }
1089         spin_unlock(&chip->reg_lock);
1090         if (ptr >= ichdev->size)
1091                 return 0;
1092         return bytes_to_frames(substream->runtime, ptr);
1093 }
1094
1095 static struct snd_pcm_hardware snd_intel8x0_stream =
1096 {
1097         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1098                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1099                                  SNDRV_PCM_INFO_MMAP_VALID |
1100                                  SNDRV_PCM_INFO_PAUSE |
1101                                  SNDRV_PCM_INFO_RESUME),
1102         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1103         .rates =                SNDRV_PCM_RATE_48000,
1104         .rate_min =             48000,
1105         .rate_max =             48000,
1106         .channels_min =         2,
1107         .channels_max =         2,
1108         .buffer_bytes_max =     128 * 1024,
1109         .period_bytes_min =     32,
1110         .period_bytes_max =     128 * 1024,
1111         .periods_min =          1,
1112         .periods_max =          1024,
1113         .fifo_size =            0,
1114 };
1115
1116 static unsigned int channels4[] = {
1117         2, 4,
1118 };
1119
1120 static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1121         .count = ARRAY_SIZE(channels4),
1122         .list = channels4,
1123         .mask = 0,
1124 };
1125
1126 static unsigned int channels6[] = {
1127         2, 4, 6,
1128 };
1129
1130 static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1131         .count = ARRAY_SIZE(channels6),
1132         .list = channels6,
1133         .mask = 0,
1134 };
1135
1136 static unsigned int channels8[] = {
1137         2, 4, 6, 8,
1138 };
1139
1140 static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1141         .count = ARRAY_SIZE(channels8),
1142         .list = channels8,
1143         .mask = 0,
1144 };
1145
1146 static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1147 {
1148         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1149         struct snd_pcm_runtime *runtime = substream->runtime;
1150         int err;
1151
1152         ichdev->substream = substream;
1153         runtime->hw = snd_intel8x0_stream;
1154         runtime->hw.rates = ichdev->pcm->rates;
1155         snd_pcm_limit_hw_rates(runtime);
1156         if (chip->device_type == DEVICE_SIS) {
1157                 runtime->hw.buffer_bytes_max = 64*1024;
1158                 runtime->hw.period_bytes_max = 64*1024;
1159         }
1160         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1161                 return err;
1162         runtime->private_data = ichdev;
1163         return 0;
1164 }
1165
1166 static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1167 {
1168         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169         struct snd_pcm_runtime *runtime = substream->runtime;
1170         int err;
1171
1172         err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1173         if (err < 0)
1174                 return err;
1175
1176         if (chip->multi8) {
1177                 runtime->hw.channels_max = 8;
1178                 snd_pcm_hw_constraint_list(runtime, 0,
1179                                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1180                                                 &hw_constraints_channels8);
1181         } else if (chip->multi6) {
1182                 runtime->hw.channels_max = 6;
1183                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1184                                            &hw_constraints_channels6);
1185         } else if (chip->multi4) {
1186                 runtime->hw.channels_max = 4;
1187                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1188                                            &hw_constraints_channels4);
1189         }
1190         if (chip->dra) {
1191                 snd_ac97_pcm_double_rate_rules(runtime);
1192         }
1193         if (chip->smp20bit) {
1194                 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1195                 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1196         }
1197         return 0;
1198 }
1199
1200 static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1201 {
1202         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1203
1204         chip->ichd[ICHD_PCMOUT].substream = NULL;
1205         return 0;
1206 }
1207
1208 static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1209 {
1210         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1211
1212         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1213 }
1214
1215 static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1216 {
1217         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1218
1219         chip->ichd[ICHD_PCMIN].substream = NULL;
1220         return 0;
1221 }
1222
1223 static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1224 {
1225         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1226
1227         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1228 }
1229
1230 static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1231 {
1232         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1233
1234         chip->ichd[ICHD_MIC].substream = NULL;
1235         return 0;
1236 }
1237
1238 static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1239 {
1240         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1241
1242         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1243 }
1244
1245 static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1246 {
1247         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1248
1249         chip->ichd[ICHD_MIC2].substream = NULL;
1250         return 0;
1251 }
1252
1253 static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1254 {
1255         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1256
1257         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1258 }
1259
1260 static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1261 {
1262         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1263
1264         chip->ichd[ICHD_PCM2IN].substream = NULL;
1265         return 0;
1266 }
1267
1268 static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1269 {
1270         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1271         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1272
1273         return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1274 }
1275
1276 static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1277 {
1278         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1279         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1280
1281         chip->ichd[idx].substream = NULL;
1282         return 0;
1283 }
1284
1285 static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1286 {
1287         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1288         unsigned int val;
1289
1290         spin_lock_irq(&chip->reg_lock);
1291         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1292         val |= ICH_ALI_IF_AC97SP;
1293         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1294         /* also needs to set ALI_SC_CODEC_SPDF correctly */
1295         spin_unlock_irq(&chip->reg_lock);
1296
1297         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1298 }
1299
1300 static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1301 {
1302         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1303         unsigned int val;
1304
1305         chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1306         spin_lock_irq(&chip->reg_lock);
1307         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1308         val &= ~ICH_ALI_IF_AC97SP;
1309         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1310         spin_unlock_irq(&chip->reg_lock);
1311
1312         return 0;
1313 }
1314
1315 #if 0 // NYI
1316 static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1317 {
1318         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1319
1320         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1321 }
1322
1323 static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1324 {
1325         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1326
1327         chip->ichd[ALID_SPDIFIN].substream = NULL;
1328         return 0;
1329 }
1330
1331 static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1332 {
1333         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1334
1335         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1336 }
1337
1338 static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1339 {
1340         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1341
1342         chip->ichd[ALID_SPDIFOUT].substream = NULL;
1343         return 0;
1344 }
1345 #endif
1346
1347 static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1348         .open =         snd_intel8x0_playback_open,
1349         .close =        snd_intel8x0_playback_close,
1350         .ioctl =        snd_pcm_lib_ioctl,
1351         .hw_params =    snd_intel8x0_hw_params,
1352         .hw_free =      snd_intel8x0_hw_free,
1353         .prepare =      snd_intel8x0_pcm_prepare,
1354         .trigger =      snd_intel8x0_pcm_trigger,
1355         .pointer =      snd_intel8x0_pcm_pointer,
1356 };
1357
1358 static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1359         .open =         snd_intel8x0_capture_open,
1360         .close =        snd_intel8x0_capture_close,
1361         .ioctl =        snd_pcm_lib_ioctl,
1362         .hw_params =    snd_intel8x0_hw_params,
1363         .hw_free =      snd_intel8x0_hw_free,
1364         .prepare =      snd_intel8x0_pcm_prepare,
1365         .trigger =      snd_intel8x0_pcm_trigger,
1366         .pointer =      snd_intel8x0_pcm_pointer,
1367 };
1368
1369 static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1370         .open =         snd_intel8x0_mic_open,
1371         .close =        snd_intel8x0_mic_close,
1372         .ioctl =        snd_pcm_lib_ioctl,
1373         .hw_params =    snd_intel8x0_hw_params,
1374         .hw_free =      snd_intel8x0_hw_free,
1375         .prepare =      snd_intel8x0_pcm_prepare,
1376         .trigger =      snd_intel8x0_pcm_trigger,
1377         .pointer =      snd_intel8x0_pcm_pointer,
1378 };
1379
1380 static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1381         .open =         snd_intel8x0_mic2_open,
1382         .close =        snd_intel8x0_mic2_close,
1383         .ioctl =        snd_pcm_lib_ioctl,
1384         .hw_params =    snd_intel8x0_hw_params,
1385         .hw_free =      snd_intel8x0_hw_free,
1386         .prepare =      snd_intel8x0_pcm_prepare,
1387         .trigger =      snd_intel8x0_pcm_trigger,
1388         .pointer =      snd_intel8x0_pcm_pointer,
1389 };
1390
1391 static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1392         .open =         snd_intel8x0_capture2_open,
1393         .close =        snd_intel8x0_capture2_close,
1394         .ioctl =        snd_pcm_lib_ioctl,
1395         .hw_params =    snd_intel8x0_hw_params,
1396         .hw_free =      snd_intel8x0_hw_free,
1397         .prepare =      snd_intel8x0_pcm_prepare,
1398         .trigger =      snd_intel8x0_pcm_trigger,
1399         .pointer =      snd_intel8x0_pcm_pointer,
1400 };
1401
1402 static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1403         .open =         snd_intel8x0_spdif_open,
1404         .close =        snd_intel8x0_spdif_close,
1405         .ioctl =        snd_pcm_lib_ioctl,
1406         .hw_params =    snd_intel8x0_hw_params,
1407         .hw_free =      snd_intel8x0_hw_free,
1408         .prepare =      snd_intel8x0_pcm_prepare,
1409         .trigger =      snd_intel8x0_pcm_trigger,
1410         .pointer =      snd_intel8x0_pcm_pointer,
1411 };
1412
1413 static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1414         .open =         snd_intel8x0_playback_open,
1415         .close =        snd_intel8x0_playback_close,
1416         .ioctl =        snd_pcm_lib_ioctl,
1417         .hw_params =    snd_intel8x0_hw_params,
1418         .hw_free =      snd_intel8x0_hw_free,
1419         .prepare =      snd_intel8x0_pcm_prepare,
1420         .trigger =      snd_intel8x0_ali_trigger,
1421         .pointer =      snd_intel8x0_pcm_pointer,
1422 };
1423
1424 static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1425         .open =         snd_intel8x0_capture_open,
1426         .close =        snd_intel8x0_capture_close,
1427         .ioctl =        snd_pcm_lib_ioctl,
1428         .hw_params =    snd_intel8x0_hw_params,
1429         .hw_free =      snd_intel8x0_hw_free,
1430         .prepare =      snd_intel8x0_pcm_prepare,
1431         .trigger =      snd_intel8x0_ali_trigger,
1432         .pointer =      snd_intel8x0_pcm_pointer,
1433 };
1434
1435 static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1436         .open =         snd_intel8x0_mic_open,
1437         .close =        snd_intel8x0_mic_close,
1438         .ioctl =        snd_pcm_lib_ioctl,
1439         .hw_params =    snd_intel8x0_hw_params,
1440         .hw_free =      snd_intel8x0_hw_free,
1441         .prepare =      snd_intel8x0_pcm_prepare,
1442         .trigger =      snd_intel8x0_ali_trigger,
1443         .pointer =      snd_intel8x0_pcm_pointer,
1444 };
1445
1446 static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1447         .open =         snd_intel8x0_ali_ac97spdifout_open,
1448         .close =        snd_intel8x0_ali_ac97spdifout_close,
1449         .ioctl =        snd_pcm_lib_ioctl,
1450         .hw_params =    snd_intel8x0_hw_params,
1451         .hw_free =      snd_intel8x0_hw_free,
1452         .prepare =      snd_intel8x0_pcm_prepare,
1453         .trigger =      snd_intel8x0_ali_trigger,
1454         .pointer =      snd_intel8x0_pcm_pointer,
1455 };
1456
1457 #if 0 // NYI
1458 static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1459         .open =         snd_intel8x0_ali_spdifin_open,
1460         .close =        snd_intel8x0_ali_spdifin_close,
1461         .ioctl =        snd_pcm_lib_ioctl,
1462         .hw_params =    snd_intel8x0_hw_params,
1463         .hw_free =      snd_intel8x0_hw_free,
1464         .prepare =      snd_intel8x0_pcm_prepare,
1465         .trigger =      snd_intel8x0_pcm_trigger,
1466         .pointer =      snd_intel8x0_pcm_pointer,
1467 };
1468
1469 static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1470         .open =         snd_intel8x0_ali_spdifout_open,
1471         .close =        snd_intel8x0_ali_spdifout_close,
1472         .ioctl =        snd_pcm_lib_ioctl,
1473         .hw_params =    snd_intel8x0_hw_params,
1474         .hw_free =      snd_intel8x0_hw_free,
1475         .prepare =      snd_intel8x0_pcm_prepare,
1476         .trigger =      snd_intel8x0_pcm_trigger,
1477         .pointer =      snd_intel8x0_pcm_pointer,
1478 };
1479 #endif // NYI
1480
1481 struct ich_pcm_table {
1482         char *suffix;
1483         struct snd_pcm_ops *playback_ops;
1484         struct snd_pcm_ops *capture_ops;
1485         size_t prealloc_size;
1486         size_t prealloc_max_size;
1487         int ac97_idx;
1488 };
1489
1490 static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1491                                        struct ich_pcm_table *rec)
1492 {
1493         struct snd_pcm *pcm;
1494         int err;
1495         char name[32];
1496
1497         if (rec->suffix)
1498                 sprintf(name, "Intel ICH - %s", rec->suffix);
1499         else
1500                 strcpy(name, "Intel ICH");
1501         err = snd_pcm_new(chip->card, name, device,
1502                           rec->playback_ops ? 1 : 0,
1503                           rec->capture_ops ? 1 : 0, &pcm);
1504         if (err < 0)
1505                 return err;
1506
1507         if (rec->playback_ops)
1508                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1509         if (rec->capture_ops)
1510                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1511
1512         pcm->private_data = chip;
1513         pcm->info_flags = 0;
1514         if (rec->suffix)
1515                 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1516         else
1517                 strcpy(pcm->name, chip->card->shortname);
1518         chip->pcm[device] = pcm;
1519
1520         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1521                                               snd_dma_pci_data(chip->pci),
1522                                               rec->prealloc_size, rec->prealloc_max_size);
1523
1524         return 0;
1525 }
1526
1527 static struct ich_pcm_table intel_pcms[] __devinitdata = {
1528         {
1529                 .playback_ops = &snd_intel8x0_playback_ops,
1530                 .capture_ops = &snd_intel8x0_capture_ops,
1531                 .prealloc_size = 64 * 1024,
1532                 .prealloc_max_size = 128 * 1024,
1533         },
1534         {
1535                 .suffix = "MIC ADC",
1536                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1537                 .prealloc_size = 0,
1538                 .prealloc_max_size = 128 * 1024,
1539                 .ac97_idx = ICHD_MIC,
1540         },
1541         {
1542                 .suffix = "MIC2 ADC",
1543                 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1544                 .prealloc_size = 0,
1545                 .prealloc_max_size = 128 * 1024,
1546                 .ac97_idx = ICHD_MIC2,
1547         },
1548         {
1549                 .suffix = "ADC2",
1550                 .capture_ops = &snd_intel8x0_capture2_ops,
1551                 .prealloc_size = 0,
1552                 .prealloc_max_size = 128 * 1024,
1553                 .ac97_idx = ICHD_PCM2IN,
1554         },
1555         {
1556                 .suffix = "IEC958",
1557                 .playback_ops = &snd_intel8x0_spdif_ops,
1558                 .prealloc_size = 64 * 1024,
1559                 .prealloc_max_size = 128 * 1024,
1560                 .ac97_idx = ICHD_SPBAR,
1561         },
1562 };
1563
1564 static struct ich_pcm_table nforce_pcms[] __devinitdata = {
1565         {
1566                 .playback_ops = &snd_intel8x0_playback_ops,
1567                 .capture_ops = &snd_intel8x0_capture_ops,
1568                 .prealloc_size = 64 * 1024,
1569                 .prealloc_max_size = 128 * 1024,
1570         },
1571         {
1572                 .suffix = "MIC ADC",
1573                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1574                 .prealloc_size = 0,
1575                 .prealloc_max_size = 128 * 1024,
1576                 .ac97_idx = NVD_MIC,
1577         },
1578         {
1579                 .suffix = "IEC958",
1580                 .playback_ops = &snd_intel8x0_spdif_ops,
1581                 .prealloc_size = 64 * 1024,
1582                 .prealloc_max_size = 128 * 1024,
1583                 .ac97_idx = NVD_SPBAR,
1584         },
1585 };
1586
1587 static struct ich_pcm_table ali_pcms[] __devinitdata = {
1588         {
1589                 .playback_ops = &snd_intel8x0_ali_playback_ops,
1590                 .capture_ops = &snd_intel8x0_ali_capture_ops,
1591                 .prealloc_size = 64 * 1024,
1592                 .prealloc_max_size = 128 * 1024,
1593         },
1594         {
1595                 .suffix = "MIC ADC",
1596                 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1597                 .prealloc_size = 0,
1598                 .prealloc_max_size = 128 * 1024,
1599                 .ac97_idx = ALID_MIC,
1600         },
1601         {
1602                 .suffix = "IEC958",
1603                 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1604                 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1605                 .prealloc_size = 64 * 1024,
1606                 .prealloc_max_size = 128 * 1024,
1607                 .ac97_idx = ALID_AC97SPDIFOUT,
1608         },
1609 #if 0 // NYI
1610         {
1611                 .suffix = "HW IEC958",
1612                 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1613                 .prealloc_size = 64 * 1024,
1614                 .prealloc_max_size = 128 * 1024,
1615         },
1616 #endif
1617 };
1618
1619 static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip)
1620 {
1621         int i, tblsize, device, err;
1622         struct ich_pcm_table *tbl, *rec;
1623
1624         switch (chip->device_type) {
1625         case DEVICE_INTEL_ICH4:
1626                 tbl = intel_pcms;
1627                 tblsize = ARRAY_SIZE(intel_pcms);
1628                 if (spdif_aclink)
1629                         tblsize--;
1630                 break;
1631         case DEVICE_NFORCE:
1632                 tbl = nforce_pcms;
1633                 tblsize = ARRAY_SIZE(nforce_pcms);
1634                 if (spdif_aclink)
1635                         tblsize--;
1636                 break;
1637         case DEVICE_ALI:
1638                 tbl = ali_pcms;
1639                 tblsize = ARRAY_SIZE(ali_pcms);
1640                 break;
1641         default:
1642                 tbl = intel_pcms;
1643                 tblsize = 2;
1644                 break;
1645         }
1646
1647         device = 0;
1648         for (i = 0; i < tblsize; i++) {
1649                 rec = tbl + i;
1650                 if (i > 0 && rec->ac97_idx) {
1651                         /* activate PCM only when associated AC'97 codec */
1652                         if (! chip->ichd[rec->ac97_idx].pcm)
1653                                 continue;
1654                 }
1655                 err = snd_intel8x0_pcm1(chip, device, rec);
1656                 if (err < 0)
1657                         return err;
1658                 device++;
1659         }
1660
1661         chip->pcm_devs = device;
1662         return 0;
1663 }
1664         
1665
1666 /*
1667  *  Mixer part
1668  */
1669
1670 static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1671 {
1672         struct intel8x0 *chip = bus->private_data;
1673         chip->ac97_bus = NULL;
1674 }
1675
1676 static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1677 {
1678         struct intel8x0 *chip = ac97->private_data;
1679         chip->ac97[ac97->num] = NULL;
1680 }
1681
1682 static struct ac97_pcm ac97_pcm_defs[] __devinitdata = {
1683         /* front PCM */
1684         {
1685                 .exclusive = 1,
1686                 .r = {  {
1687                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1688                                          (1 << AC97_SLOT_PCM_RIGHT) |
1689                                          (1 << AC97_SLOT_PCM_CENTER) |
1690                                          (1 << AC97_SLOT_PCM_SLEFT) |
1691                                          (1 << AC97_SLOT_PCM_SRIGHT) |
1692                                          (1 << AC97_SLOT_LFE)
1693                         },
1694                         {
1695                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1696                                          (1 << AC97_SLOT_PCM_RIGHT) |
1697                                          (1 << AC97_SLOT_PCM_LEFT_0) |
1698                                          (1 << AC97_SLOT_PCM_RIGHT_0)
1699                         }
1700                 }
1701         },
1702         /* PCM IN #1 */
1703         {
1704                 .stream = 1,
1705                 .exclusive = 1,
1706                 .r = {  {
1707                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1708                                          (1 << AC97_SLOT_PCM_RIGHT)
1709                         }
1710                 }
1711         },
1712         /* MIC IN #1 */
1713         {
1714                 .stream = 1,
1715                 .exclusive = 1,
1716                 .r = {  {
1717                                 .slots = (1 << AC97_SLOT_MIC)
1718                         }
1719                 }
1720         },
1721         /* S/PDIF PCM */
1722         {
1723                 .exclusive = 1,
1724                 .spdif = 1,
1725                 .r = {  {
1726                                 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1727                                          (1 << AC97_SLOT_SPDIF_RIGHT2)
1728                         }
1729                 }
1730         },
1731         /* PCM IN #2 */
1732         {
1733                 .stream = 1,
1734                 .exclusive = 1,
1735                 .r = {  {
1736                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1737                                          (1 << AC97_SLOT_PCM_RIGHT)
1738                         }
1739                 }
1740         },
1741         /* MIC IN #2 */
1742         {
1743                 .stream = 1,
1744                 .exclusive = 1,
1745                 .r = {  {
1746                                 .slots = (1 << AC97_SLOT_MIC)
1747                         }
1748                 }
1749         },
1750 };
1751
1752 static struct ac97_quirk ac97_quirks[] __devinitdata = {
1753         {
1754                 .subvendor = 0x0e11,
1755                 .subdevice = 0x000e,
1756                 .name = "Compaq Deskpro EN",    /* AD1885 */
1757                 .type = AC97_TUNE_HP_ONLY
1758         },
1759         {
1760                 .subvendor = 0x0e11,
1761                 .subdevice = 0x008a,
1762                 .name = "Compaq Evo W4000",     /* AD1885 */
1763                 .type = AC97_TUNE_HP_ONLY
1764         },
1765         {
1766                 .subvendor = 0x0e11,
1767                 .subdevice = 0x00b8,
1768                 .name = "Compaq Evo D510C",
1769                 .type = AC97_TUNE_HP_ONLY
1770         },
1771         {
1772                 .subvendor = 0x0e11,
1773                 .subdevice = 0x0860,
1774                 .name = "HP/Compaq nx7010",
1775                 .type = AC97_TUNE_MUTE_LED
1776         },
1777         {
1778                 .subvendor = 0x1014,
1779                 .subdevice = 0x1f00,
1780                 .name = "MS-9128",
1781                 .type = AC97_TUNE_ALC_JACK
1782         },
1783         {
1784                 .subvendor = 0x1014,
1785                 .subdevice = 0x0267,
1786                 .name = "IBM NetVista A30p",    /* AD1981B */
1787                 .type = AC97_TUNE_HP_ONLY
1788         },
1789         {
1790                 .subvendor = 0x1025,
1791                 .subdevice = 0x0082,
1792                 .name = "Acer Travelmate 2310",
1793                 .type = AC97_TUNE_HP_ONLY
1794         },
1795         {
1796                 .subvendor = 0x1025,
1797                 .subdevice = 0x0083,
1798                 .name = "Acer Aspire 3003LCi",
1799                 .type = AC97_TUNE_HP_ONLY
1800         },
1801         {
1802                 .subvendor = 0x1028,
1803                 .subdevice = 0x00d8,
1804                 .name = "Dell Precision 530",   /* AD1885 */
1805                 .type = AC97_TUNE_HP_ONLY
1806         },
1807         {
1808                 .subvendor = 0x1028,
1809                 .subdevice = 0x010d,
1810                 .name = "Dell", /* which model?  AD1885 */
1811                 .type = AC97_TUNE_HP_ONLY
1812         },
1813         {
1814                 .subvendor = 0x1028,
1815                 .subdevice = 0x0126,
1816                 .name = "Dell Optiplex GX260",  /* AD1981A */
1817                 .type = AC97_TUNE_HP_ONLY
1818         },
1819         {
1820                 .subvendor = 0x1028,
1821                 .subdevice = 0x012c,
1822                 .name = "Dell Precision 650",   /* AD1981A */
1823                 .type = AC97_TUNE_HP_ONLY
1824         },
1825         {
1826                 .subvendor = 0x1028,
1827                 .subdevice = 0x012d,
1828                 .name = "Dell Precision 450",   /* AD1981B*/
1829                 .type = AC97_TUNE_HP_ONLY
1830         },
1831         {
1832                 .subvendor = 0x1028,
1833                 .subdevice = 0x0147,
1834                 .name = "Dell", /* which model?  AD1981B*/
1835                 .type = AC97_TUNE_HP_ONLY
1836         },
1837         {
1838                 .subvendor = 0x1028,
1839                 .subdevice = 0x0151,
1840                 .name = "Dell Optiplex GX270",  /* AD1981B */
1841                 .type = AC97_TUNE_HP_ONLY
1842         },
1843         {
1844                 .subvendor = 0x1028,
1845                 .subdevice = 0x014e,
1846                 .name = "Dell D800", /* STAC9750/51 */
1847                 .type = AC97_TUNE_HP_ONLY
1848         },
1849         {
1850                 .subvendor = 0x1028,
1851                 .subdevice = 0x0163,
1852                 .name = "Dell Unknown", /* STAC9750/51 */
1853                 .type = AC97_TUNE_HP_ONLY
1854         },
1855         {
1856                 .subvendor = 0x1028,
1857                 .subdevice = 0x0186,
1858                 .name = "Dell Latitude D810", /* cf. Malone #41015 */
1859                 .type = AC97_TUNE_HP_MUTE_LED
1860         },
1861         {
1862                 .subvendor = 0x1028,
1863                 .subdevice = 0x0188,
1864                 .name = "Dell Inspiron 6000",
1865                 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1866         },
1867         {
1868                 .subvendor = 0x1028,
1869                 .subdevice = 0x0191,
1870                 .name = "Dell Inspiron 8600",
1871                 .type = AC97_TUNE_HP_ONLY
1872         },
1873         {
1874                 .subvendor = 0x103c,
1875                 .subdevice = 0x006d,
1876                 .name = "HP zv5000",
1877                 .type = AC97_TUNE_MUTE_LED      /*AD1981B*/
1878         },
1879         {       /* FIXME: which codec? */
1880                 .subvendor = 0x103c,
1881                 .subdevice = 0x00c3,
1882                 .name = "HP xw6000",
1883                 .type = AC97_TUNE_HP_ONLY
1884         },
1885         {
1886                 .subvendor = 0x103c,
1887                 .subdevice = 0x088c,
1888                 .name = "HP nc8000",
1889                 .type = AC97_TUNE_HP_MUTE_LED
1890         },
1891         {
1892                 .subvendor = 0x103c,
1893                 .subdevice = 0x0890,
1894                 .name = "HP nc6000",
1895                 .type = AC97_TUNE_MUTE_LED
1896         },
1897         {
1898                 .subvendor = 0x103c,
1899                 .subdevice = 0x0934,
1900                 .name = "HP nx8220",
1901                 .type = AC97_TUNE_MUTE_LED
1902         },
1903         {
1904                 .subvendor = 0x103c,
1905                 .subdevice = 0x129d,
1906                 .name = "HP xw8000",
1907                 .type = AC97_TUNE_HP_ONLY
1908         },
1909         {
1910                 .subvendor = 0x103c,
1911                 .subdevice = 0x0938,
1912                 .name = "HP nc4200",
1913                 .type = AC97_TUNE_HP_MUTE_LED
1914         },
1915         {
1916                 .subvendor = 0x103c,
1917                 .subdevice = 0x099c,
1918                 .name = "HP nx6110/nc6120",
1919                 .type = AC97_TUNE_HP_MUTE_LED
1920         },
1921         {
1922                 .subvendor = 0x103c,
1923                 .subdevice = 0x0944,
1924                 .name = "HP nc6220",
1925                 .type = AC97_TUNE_HP_MUTE_LED
1926         },
1927         {
1928                 .subvendor = 0x103c,
1929                 .subdevice = 0x0934,
1930                 .name = "HP nc8220",
1931                 .type = AC97_TUNE_HP_MUTE_LED
1932         },
1933         {
1934                 .subvendor = 0x103c,
1935                 .subdevice = 0x12f1,
1936                 .name = "HP xw8200",    /* AD1981B*/
1937                 .type = AC97_TUNE_HP_ONLY
1938         },
1939         {
1940                 .subvendor = 0x103c,
1941                 .subdevice = 0x12f2,
1942                 .name = "HP xw6200",
1943                 .type = AC97_TUNE_HP_ONLY
1944         },
1945         {
1946                 .subvendor = 0x103c,
1947                 .subdevice = 0x3008,
1948                 .name = "HP xw4200",    /* AD1981B*/
1949                 .type = AC97_TUNE_HP_ONLY
1950         },
1951         {
1952                 .subvendor = 0x104d,
1953                 .subdevice = 0x8197,
1954                 .name = "Sony S1XP",
1955                 .type = AC97_TUNE_INV_EAPD
1956         },
1957         {
1958                 .subvendor = 0x1043,
1959                 .subdevice = 0x80f3,
1960                 .name = "ASUS ICH5/AD1985",
1961                 .type = AC97_TUNE_AD_SHARING
1962         },
1963         {
1964                 .subvendor = 0x10cf,
1965                 .subdevice = 0x11c3,
1966                 .name = "Fujitsu-Siemens E4010",
1967                 .type = AC97_TUNE_HP_ONLY
1968         },
1969         {
1970                 .subvendor = 0x10cf,
1971                 .subdevice = 0x1225,
1972                 .name = "Fujitsu-Siemens T3010",
1973                 .type = AC97_TUNE_HP_ONLY
1974         },
1975         {
1976                 .subvendor = 0x10cf,
1977                 .subdevice = 0x1253,
1978                 .name = "Fujitsu S6210",        /* STAC9750/51 */
1979                 .type = AC97_TUNE_HP_ONLY
1980         },
1981         {
1982                 .subvendor = 0x10cf,
1983                 .subdevice = 0x127d,
1984                 .name = "Fujitsu Lifebook P7010",
1985                 .type = AC97_TUNE_HP_ONLY
1986         },
1987         {
1988                 .subvendor = 0x10cf,
1989                 .subdevice = 0x127e,
1990                 .name = "Fujitsu Lifebook C1211D",
1991                 .type = AC97_TUNE_HP_ONLY
1992         },
1993         {
1994                 .subvendor = 0x10cf,
1995                 .subdevice = 0x12ec,
1996                 .name = "Fujitsu-Siemens 4010",
1997                 .type = AC97_TUNE_HP_ONLY
1998         },
1999         {
2000                 .subvendor = 0x10cf,
2001                 .subdevice = 0x12f2,
2002                 .name = "Fujitsu-Siemens Celsius H320",
2003                 .type = AC97_TUNE_SWAP_HP
2004         },
2005         {
2006                 .subvendor = 0x10f1,
2007                 .subdevice = 0x2665,
2008                 .name = "Fujitsu-Siemens Celsius",      /* AD1981? */
2009                 .type = AC97_TUNE_HP_ONLY
2010         },
2011         {
2012                 .subvendor = 0x10f1,
2013                 .subdevice = 0x2885,
2014                 .name = "AMD64 Mobo",   /* ALC650 */
2015                 .type = AC97_TUNE_HP_ONLY
2016         },
2017         {
2018                 .subvendor = 0x10f1,
2019                 .subdevice = 0x2895,
2020                 .name = "Tyan Thunder K8WE",
2021                 .type = AC97_TUNE_HP_ONLY
2022         },
2023         {
2024                 .subvendor = 0x10f7,
2025                 .subdevice = 0x834c,
2026                 .name = "Panasonic CF-R4",
2027                 .type = AC97_TUNE_HP_ONLY,
2028         },
2029         {
2030                 .subvendor = 0x110a,
2031                 .subdevice = 0x0056,
2032                 .name = "Fujitsu-Siemens Scenic",       /* AD1981? */
2033                 .type = AC97_TUNE_HP_ONLY
2034         },
2035         {
2036                 .subvendor = 0x11d4,
2037                 .subdevice = 0x5375,
2038                 .name = "ADI AD1985 (discrete)",
2039                 .type = AC97_TUNE_HP_ONLY
2040         },
2041         {
2042                 .subvendor = 0x1462,
2043                 .subdevice = 0x5470,
2044                 .name = "MSI P4 ATX 645 Ultra",
2045                 .type = AC97_TUNE_HP_ONLY
2046         },
2047         {
2048                 .subvendor = 0x1734,
2049                 .subdevice = 0x0088,
2050                 .name = "Fujitsu-Siemens D1522",        /* AD1981 */
2051                 .type = AC97_TUNE_HP_ONLY
2052         },
2053         {
2054                 .subvendor = 0x8086,
2055                 .subdevice = 0x2000,
2056                 .mask = 0xfff0,
2057                 .name = "Intel ICH5/AD1985",
2058                 .type = AC97_TUNE_AD_SHARING
2059         },
2060         {
2061                 .subvendor = 0x8086,
2062                 .subdevice = 0x4000,
2063                 .mask = 0xfff0,
2064                 .name = "Intel ICH5/AD1985",
2065                 .type = AC97_TUNE_AD_SHARING
2066         },
2067         {
2068                 .subvendor = 0x8086,
2069                 .subdevice = 0x4856,
2070                 .name = "Intel D845WN (82801BA)",
2071                 .type = AC97_TUNE_SWAP_HP
2072         },
2073         {
2074                 .subvendor = 0x8086,
2075                 .subdevice = 0x4d44,
2076                 .name = "Intel D850EMV2",       /* AD1885 */
2077                 .type = AC97_TUNE_HP_ONLY
2078         },
2079         {
2080                 .subvendor = 0x8086,
2081                 .subdevice = 0x4d56,
2082                 .name = "Intel ICH/AD1885",
2083                 .type = AC97_TUNE_HP_ONLY
2084         },
2085         {
2086                 .subvendor = 0x8086,
2087                 .subdevice = 0x6000,
2088                 .mask = 0xfff0,
2089                 .name = "Intel ICH5/AD1985",
2090                 .type = AC97_TUNE_AD_SHARING
2091         },
2092         {
2093                 .subvendor = 0x8086,
2094                 .subdevice = 0xe000,
2095                 .mask = 0xfff0,
2096                 .name = "Intel ICH5/AD1985",
2097                 .type = AC97_TUNE_AD_SHARING
2098         },
2099 #if 0 /* FIXME: this seems wrong on most boards */
2100         {
2101                 .subvendor = 0x8086,
2102                 .subdevice = 0xa000,
2103                 .mask = 0xfff0,
2104                 .name = "Intel ICH5/AD1985",
2105                 .type = AC97_TUNE_HP_ONLY
2106         },
2107 #endif
2108         { } /* terminator */
2109 };
2110
2111 static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2112                                         const char *quirk_override)
2113 {
2114         struct snd_ac97_bus *pbus;
2115         struct snd_ac97_template ac97;
2116         int err;
2117         unsigned int i, codecs;
2118         unsigned int glob_sta = 0;
2119         struct snd_ac97_bus_ops *ops;
2120         static struct snd_ac97_bus_ops standard_bus_ops = {
2121                 .write = snd_intel8x0_codec_write,
2122                 .read = snd_intel8x0_codec_read,
2123         };
2124         static struct snd_ac97_bus_ops ali_bus_ops = {
2125                 .write = snd_intel8x0_ali_codec_write,
2126                 .read = snd_intel8x0_ali_codec_read,
2127         };
2128
2129         chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2130         if (!spdif_aclink) {
2131                 switch (chip->device_type) {
2132                 case DEVICE_NFORCE:
2133                         chip->spdif_idx = NVD_SPBAR;
2134                         break;
2135                 case DEVICE_ALI:
2136                         chip->spdif_idx = ALID_AC97SPDIFOUT;
2137                         break;
2138                 case DEVICE_INTEL_ICH4:
2139                         chip->spdif_idx = ICHD_SPBAR;
2140                         break;
2141                 };
2142         }
2143
2144         chip->in_ac97_init = 1;
2145         
2146         memset(&ac97, 0, sizeof(ac97));
2147         ac97.private_data = chip;
2148         ac97.private_free = snd_intel8x0_mixer_free_ac97;
2149         ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2150         if (chip->xbox)
2151                 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2152         if (chip->device_type != DEVICE_ALI) {
2153                 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2154                 ops = &standard_bus_ops;
2155                 chip->in_sdin_init = 1;
2156                 codecs = 0;
2157                 for (i = 0; i < chip->max_codecs; i++) {
2158                         if (! (glob_sta & chip->codec_bit[i]))
2159                                 continue;
2160                         if (chip->device_type == DEVICE_INTEL_ICH4) {
2161                                 snd_intel8x0_codec_read_test(chip, codecs);
2162                                 chip->ac97_sdin[codecs] =
2163                                         igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2164                                 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2165                                         chip->ac97_sdin[codecs] = 0;
2166                         } else
2167                                 chip->ac97_sdin[codecs] = i;
2168                         codecs++;
2169                 }
2170                 chip->in_sdin_init = 0;
2171                 if (! codecs)
2172                         codecs = 1;
2173         } else {
2174                 ops = &ali_bus_ops;
2175                 codecs = 1;
2176                 /* detect the secondary codec */
2177                 for (i = 0; i < 100; i++) {
2178                         unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2179                         if (reg & 0x40) {
2180                                 codecs = 2;
2181                                 break;
2182                         }
2183                         iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2184                         udelay(1);
2185                 }
2186         }
2187         if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2188                 goto __err;
2189         pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2190         if (ac97_clock >= 8000 && ac97_clock <= 48000)
2191                 pbus->clock = ac97_clock;
2192         /* FIXME: my test board doesn't work well with VRA... */
2193         if (chip->device_type == DEVICE_ALI)
2194                 pbus->no_vra = 1;
2195         else
2196                 pbus->dra = 1;
2197         chip->ac97_bus = pbus;
2198         chip->ncodecs = codecs;
2199
2200         ac97.pci = chip->pci;
2201         for (i = 0; i < codecs; i++) {
2202                 ac97.num = i;
2203                 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2204                         if (err != -EACCES)
2205                                 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i);
2206                         if (i == 0)
2207                                 goto __err;
2208                 }
2209         }
2210         /* tune up the primary codec */
2211         snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2212         /* enable separate SDINs for ICH4 */
2213         if (chip->device_type == DEVICE_INTEL_ICH4)
2214                 pbus->isdin = 1;
2215         /* find the available PCM streams */
2216         i = ARRAY_SIZE(ac97_pcm_defs);
2217         if (chip->device_type != DEVICE_INTEL_ICH4)
2218                 i -= 2;         /* do not allocate PCM2IN and MIC2 */
2219         if (chip->spdif_idx < 0)
2220                 i--;            /* do not allocate S/PDIF */
2221         err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2222         if (err < 0)
2223                 goto __err;
2224         chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2225         chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2226         chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2227         if (chip->spdif_idx >= 0)
2228                 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2229         if (chip->device_type == DEVICE_INTEL_ICH4) {
2230                 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2231                 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2232         }
2233         /* enable separate SDINs for ICH4 */
2234         if (chip->device_type == DEVICE_INTEL_ICH4) {
2235                 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2236                 u8 tmp = igetbyte(chip, ICHREG(SDM));
2237                 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2238                 if (pcm) {
2239                         tmp |= ICH_SE;  /* steer enable for multiple SDINs */
2240                         tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2241                         for (i = 1; i < 4; i++) {
2242                                 if (pcm->r[0].codec[i]) {
2243                                         tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2244                                         break;
2245                                 }
2246                         }
2247                 } else {
2248                         tmp &= ~ICH_SE; /* steer disable */
2249                 }
2250                 iputbyte(chip, ICHREG(SDM), tmp);
2251         }
2252         if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2253                 chip->multi4 = 1;
2254                 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2255                         chip->multi6 = 1;
2256                         if (chip->ac97[0]->flags & AC97_HAS_8CH)
2257                                 chip->multi8 = 1;
2258                 }
2259         }
2260         if (pbus->pcms[0].r[1].rslots[0]) {
2261                 chip->dra = 1;
2262         }
2263         if (chip->device_type == DEVICE_INTEL_ICH4) {
2264                 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2265                         chip->smp20bit = 1;
2266         }
2267         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2268                 /* 48kHz only */
2269                 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2270         }
2271         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2272                 /* use slot 10/11 for SPDIF */
2273                 u32 val;
2274                 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2275                 val |= ICH_PCM_SPDIF_1011;
2276                 iputdword(chip, ICHREG(GLOB_CNT), val);
2277                 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2278         }
2279         chip->in_ac97_init = 0;
2280         return 0;
2281
2282  __err:
2283         /* clear the cold-reset bit for the next chance */
2284         if (chip->device_type != DEVICE_ALI)
2285                 iputdword(chip, ICHREG(GLOB_CNT),
2286                           igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2287         return err;
2288 }
2289
2290
2291 /*
2292  *
2293  */
2294
2295 static void do_ali_reset(struct intel8x0 *chip)
2296 {
2297         iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2298         iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2299         iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2300         iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2301         iputdword(chip, ICHREG(ALI_INTERFACECR),
2302                   ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2303         iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2304         iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2305 }
2306
2307 #ifdef CONFIG_SND_AC97_POWER_SAVE
2308 static struct snd_pci_quirk ich_chip_reset_mode[] = {
2309         SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2310         { } /* end */
2311 };
2312
2313 static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2314 {
2315         unsigned int cnt;
2316         /* ACLink on, 2 channels */
2317
2318         if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2319                 return -EIO;
2320
2321         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2322         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2323
2324         /* do cold reset - the full ac97 powerdown may leave the controller
2325          * in a warm state but actually it cannot communicate with the codec.
2326          */
2327         iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2328         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2329         udelay(10);
2330         iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2331         msleep(1);
2332         return 0;
2333 }
2334 #define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2335         (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2336 #else
2337 #define snd_intel8x0_ich_chip_cold_reset(chip)  0
2338 #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2339 #endif
2340
2341 static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2342 {
2343         unsigned long end_time;
2344         unsigned int cnt;
2345         /* ACLink on, 2 channels */
2346         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2347         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2348         /* finish cold or do warm reset */
2349         cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2350         iputdword(chip, ICHREG(GLOB_CNT), cnt);
2351         end_time = (jiffies + (HZ / 4)) + 1;
2352         do {
2353                 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2354                         return 0;
2355                 schedule_timeout_uninterruptible(1);
2356         } while (time_after_eq(end_time, jiffies));
2357         snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
2358                    igetdword(chip, ICHREG(GLOB_CNT)));
2359         return -EIO;
2360 }
2361
2362 static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2363 {
2364         unsigned long end_time;
2365         unsigned int status, nstatus;
2366         unsigned int cnt;
2367         int err;
2368
2369         /* put logic to right state */
2370         /* first clear status bits */
2371         status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2372         if (chip->device_type == DEVICE_NFORCE)
2373                 status |= ICH_NVSPINT;
2374         cnt = igetdword(chip, ICHREG(GLOB_STA));
2375         iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2376
2377         if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2378                 err = snd_intel8x0_ich_chip_cold_reset(chip);
2379         else
2380                 err = snd_intel8x0_ich_chip_reset(chip);
2381         if (err < 0)
2382                 return err;
2383
2384         if (probing) {
2385                 /* wait for any codec ready status.
2386                  * Once it becomes ready it should remain ready
2387                  * as long as we do not disable the ac97 link.
2388                  */
2389                 end_time = jiffies + HZ;
2390                 do {
2391                         status = igetdword(chip, ICHREG(GLOB_STA)) &
2392                                 chip->codec_isr_bits;
2393                         if (status)
2394                                 break;
2395                         schedule_timeout_uninterruptible(1);
2396                 } while (time_after_eq(end_time, jiffies));
2397                 if (! status) {
2398                         /* no codec is found */
2399                         snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
2400                                    igetdword(chip, ICHREG(GLOB_STA)));
2401                         return -EIO;
2402                 }
2403
2404                 /* wait for other codecs ready status. */
2405                 end_time = jiffies + HZ / 4;
2406                 while (status != chip->codec_isr_bits &&
2407                        time_after_eq(end_time, jiffies)) {
2408                         schedule_timeout_uninterruptible(1);
2409                         status |= igetdword(chip, ICHREG(GLOB_STA)) &
2410                                 chip->codec_isr_bits;
2411                 }
2412
2413         } else {
2414                 /* resume phase */
2415                 int i;
2416                 status = 0;
2417                 for (i = 0; i < chip->ncodecs; i++)
2418                         if (chip->ac97[i])
2419                                 status |= chip->codec_bit[chip->ac97_sdin[i]];
2420                 /* wait until all the probed codecs are ready */
2421                 end_time = jiffies + HZ;
2422                 do {
2423                         nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2424                                 chip->codec_isr_bits;
2425                         if (status == nstatus)
2426                                 break;
2427                         schedule_timeout_uninterruptible(1);
2428                 } while (time_after_eq(end_time, jiffies));
2429         }
2430
2431         if (chip->device_type == DEVICE_SIS) {
2432                 /* unmute the output on SIS7012 */
2433                 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2434         }
2435         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2436                 /* enable SPDIF interrupt */
2437                 unsigned int val;
2438                 pci_read_config_dword(chip->pci, 0x4c, &val);
2439                 val |= 0x1000000;
2440                 pci_write_config_dword(chip->pci, 0x4c, val);
2441         }
2442         return 0;
2443 }
2444
2445 static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2446 {
2447         u32 reg;
2448         int i = 0;
2449
2450         reg = igetdword(chip, ICHREG(ALI_SCR));
2451         if ((reg & 2) == 0)     /* Cold required */
2452                 reg |= 2;
2453         else
2454                 reg |= 1;       /* Warm */
2455         reg &= ~0x80000000;     /* ACLink on */
2456         iputdword(chip, ICHREG(ALI_SCR), reg);
2457
2458         for (i = 0; i < HZ / 2; i++) {
2459                 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2460                         goto __ok;
2461                 schedule_timeout_uninterruptible(1);
2462         }
2463         snd_printk(KERN_ERR "AC'97 reset failed.\n");
2464         if (probing)
2465                 return -EIO;
2466
2467  __ok:
2468         for (i = 0; i < HZ / 2; i++) {
2469                 reg = igetdword(chip, ICHREG(ALI_RTSR));
2470                 if (reg & 0x80) /* primary codec */
2471                         break;
2472                 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2473                 schedule_timeout_uninterruptible(1);
2474         }
2475
2476         do_ali_reset(chip);
2477         return 0;
2478 }
2479
2480 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2481 {
2482         unsigned int i, timeout;
2483         int err;
2484         
2485         if (chip->device_type != DEVICE_ALI) {
2486                 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2487                         return err;
2488                 iagetword(chip, 0);     /* clear semaphore flag */
2489         } else {
2490                 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2491                         return err;
2492         }
2493
2494         /* disable interrupts */
2495         for (i = 0; i < chip->bdbars_count; i++)
2496                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2497         /* reset channels */
2498         for (i = 0; i < chip->bdbars_count; i++)
2499                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2500         for (i = 0; i < chip->bdbars_count; i++) {
2501                 timeout = 100000;
2502                 while (--timeout != 0) {
2503                         if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2504                                 break;
2505                 }
2506                 if (timeout == 0)
2507                         printk(KERN_ERR "intel8x0: reset of registers failed?\n");
2508         }
2509         /* initialize Buffer Descriptor Lists */
2510         for (i = 0; i < chip->bdbars_count; i++)
2511                 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2512                           chip->ichd[i].bdbar_addr);
2513         return 0;
2514 }
2515
2516 static int snd_intel8x0_free(struct intel8x0 *chip)
2517 {
2518         unsigned int i;
2519
2520         if (chip->irq < 0)
2521                 goto __hw_end;
2522         /* disable interrupts */
2523         for (i = 0; i < chip->bdbars_count; i++)
2524                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2525         /* reset channels */
2526         for (i = 0; i < chip->bdbars_count; i++)
2527                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2528         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2529                 /* stop the spdif interrupt */
2530                 unsigned int val;
2531                 pci_read_config_dword(chip->pci, 0x4c, &val);
2532                 val &= ~0x1000000;
2533                 pci_write_config_dword(chip->pci, 0x4c, val);
2534         }
2535         /* --- */
2536
2537       __hw_end:
2538         if (chip->irq >= 0)
2539                 free_irq(chip->irq, chip);
2540         if (chip->bdbars.area) {
2541                 if (chip->fix_nocache)
2542                         fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2543                 snd_dma_free_pages(&chip->bdbars);
2544         }
2545         if (chip->addr)
2546                 pci_iounmap(chip->pci, chip->addr);
2547         if (chip->bmaddr)
2548                 pci_iounmap(chip->pci, chip->bmaddr);
2549         pci_release_regions(chip->pci);
2550         pci_disable_device(chip->pci);
2551         kfree(chip);
2552         return 0;
2553 }
2554
2555 #ifdef CONFIG_PM
2556 /*
2557  * power management
2558  */
2559 static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
2560 {
2561         struct snd_card *card = pci_get_drvdata(pci);
2562         struct intel8x0 *chip = card->private_data;
2563         int i;
2564
2565         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2566         for (i = 0; i < chip->pcm_devs; i++)
2567                 snd_pcm_suspend_all(chip->pcm[i]);
2568         /* clear nocache */
2569         if (chip->fix_nocache) {
2570                 for (i = 0; i < chip->bdbars_count; i++) {
2571                         struct ichdev *ichdev = &chip->ichd[i];
2572                         if (ichdev->substream && ichdev->page_attr_changed) {
2573                                 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2574                                 if (runtime->dma_area)
2575                                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2576                         }
2577                 }
2578         }
2579         for (i = 0; i < chip->ncodecs; i++)
2580                 snd_ac97_suspend(chip->ac97[i]);
2581         if (chip->device_type == DEVICE_INTEL_ICH4)
2582                 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2583
2584         if (chip->irq >= 0) {
2585                 free_irq(chip->irq, chip);
2586                 chip->irq = -1;
2587         }
2588         pci_disable_device(pci);
2589         pci_save_state(pci);
2590         /* The call below may disable built-in speaker on some laptops
2591          * after S2RAM.  So, don't touch it.
2592          */
2593         /* pci_set_power_state(pci, pci_choose_state(pci, state)); */
2594         return 0;
2595 }
2596
2597 static int intel8x0_resume(struct pci_dev *pci)
2598 {
2599         struct snd_card *card = pci_get_drvdata(pci);
2600         struct intel8x0 *chip = card->private_data;
2601         int i;
2602
2603         pci_set_power_state(pci, PCI_D0);
2604         pci_restore_state(pci);
2605         if (pci_enable_device(pci) < 0) {
2606                 printk(KERN_ERR "intel8x0: pci_enable_device failed, "
2607                        "disabling device\n");
2608                 snd_card_disconnect(card);
2609                 return -EIO;
2610         }
2611         pci_set_master(pci);
2612         snd_intel8x0_chip_init(chip, 0);
2613         if (request_irq(pci->irq, snd_intel8x0_interrupt,
2614                         IRQF_SHARED, card->shortname, chip)) {
2615                 printk(KERN_ERR "intel8x0: unable to grab IRQ %d, "
2616                        "disabling device\n", pci->irq);
2617                 snd_card_disconnect(card);
2618                 return -EIO;
2619         }
2620         chip->irq = pci->irq;
2621         synchronize_irq(chip->irq);
2622
2623         /* re-initialize mixer stuff */
2624         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2625                 /* enable separate SDINs for ICH4 */
2626                 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2627                 /* use slot 10/11 for SPDIF */
2628                 iputdword(chip, ICHREG(GLOB_CNT),
2629                           (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2630                           ICH_PCM_SPDIF_1011);
2631         }
2632
2633         /* refill nocache */
2634         if (chip->fix_nocache)
2635                 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2636
2637         for (i = 0; i < chip->ncodecs; i++)
2638                 snd_ac97_resume(chip->ac97[i]);
2639
2640         /* refill nocache */
2641         if (chip->fix_nocache) {
2642                 for (i = 0; i < chip->bdbars_count; i++) {
2643                         struct ichdev *ichdev = &chip->ichd[i];
2644                         if (ichdev->substream && ichdev->page_attr_changed) {
2645                                 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2646                                 if (runtime->dma_area)
2647                                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2648                         }
2649                 }
2650         }
2651
2652         /* resume status */
2653         for (i = 0; i < chip->bdbars_count; i++) {
2654                 struct ichdev *ichdev = &chip->ichd[i];
2655                 unsigned long port = ichdev->reg_offset;
2656                 if (! ichdev->substream || ! ichdev->suspended)
2657                         continue;
2658                 if (ichdev->ichd == ICHD_PCMOUT)
2659                         snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2660                 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2661                 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2662                 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2663                 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2664         }
2665
2666         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2667         return 0;
2668 }
2669 #endif /* CONFIG_PM */
2670
2671 #define INTEL8X0_TESTBUF_SIZE   32768   /* enough large for one shot */
2672
2673 static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2674 {
2675         struct snd_pcm_substream *subs;
2676         struct ichdev *ichdev;
2677         unsigned long port;
2678         unsigned long pos, pos1, t;
2679         int civ, timeout = 1000, attempt = 1;
2680         struct timespec start_time, stop_time;
2681
2682         if (chip->ac97_bus->clock != 48000)
2683                 return; /* specified in module option */
2684
2685       __again:
2686         subs = chip->pcm[0]->streams[0].substream;
2687         if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2688                 snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
2689                 return;
2690         }
2691         ichdev = &chip->ichd[ICHD_PCMOUT];
2692         ichdev->physbuf = subs->dma_buffer.addr;
2693         ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2694         ichdev->substream = NULL; /* don't process interrupts */
2695
2696         /* set rate */
2697         if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2698                 snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock);
2699                 return;
2700         }
2701         snd_intel8x0_setup_periods(chip, ichdev);
2702         port = ichdev->reg_offset;
2703         spin_lock_irq(&chip->reg_lock);
2704         chip->in_measurement = 1;
2705         /* trigger */
2706         if (chip->device_type != DEVICE_ALI)
2707                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2708         else {
2709                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2710                 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2711         }
2712         do_posix_clock_monotonic_gettime(&start_time);
2713         spin_unlock_irq(&chip->reg_lock);
2714         msleep(50);
2715         spin_lock_irq(&chip->reg_lock);
2716         /* check the position */
2717         do {
2718                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2719                 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2720                 if (pos1 == 0) {
2721                         udelay(10);
2722                         continue;
2723                 }
2724                 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2725                     pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2726                         break;
2727         } while (timeout--);
2728         if (pos1 == 0) {        /* oops, this value is not reliable */
2729                 pos = 0;
2730         } else {
2731                 pos = ichdev->fragsize1;
2732                 pos -= pos1 << ichdev->pos_shift;
2733                 pos += ichdev->position;
2734         }
2735         chip->in_measurement = 0;
2736         do_posix_clock_monotonic_gettime(&stop_time);
2737         /* stop */
2738         if (chip->device_type == DEVICE_ALI) {
2739                 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2740                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2741                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2742                         ;
2743         } else {
2744                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2745                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2746                         ;
2747         }
2748         iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2749         spin_unlock_irq(&chip->reg_lock);
2750
2751         if (pos == 0) {
2752                 snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n");
2753               __retry:
2754                 if (attempt < 3) {
2755                         msleep(300);
2756                         attempt++;
2757                         goto __again;
2758                 }
2759                 goto __end;
2760         }
2761
2762         pos /= 4;
2763         t = stop_time.tv_sec - start_time.tv_sec;
2764         t *= 1000000;
2765         t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000;
2766         printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2767         if (t == 0) {
2768                 snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n");
2769                 goto __retry;
2770         }
2771         pos *= 1000;
2772         pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2773         if (pos < 40000 || pos >= 60000) {
2774                 /* abnormal value. hw problem? */
2775                 printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
2776                 goto __retry;
2777         } else if (pos > 40500 && pos < 41500)
2778                 /* first exception - 41000Hz reference clock */
2779                 chip->ac97_bus->clock = 41000;
2780         else if (pos > 43600 && pos < 44600)
2781                 /* second exception - 44100HZ reference clock */
2782                 chip->ac97_bus->clock = 44100;
2783         else if (pos < 47500 || pos > 48500)
2784                 /* not 48000Hz, tuning the clock.. */
2785                 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2786       __end:
2787         printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
2788         snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2789 }
2790
2791 static struct snd_pci_quirk intel8x0_clock_list[] __devinitdata = {
2792         SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2793         SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2794         SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2795         SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2796         SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2797         { }     /* terminator */
2798 };
2799
2800 static int __devinit intel8x0_in_clock_list(struct intel8x0 *chip)
2801 {
2802         struct pci_dev *pci = chip->pci;
2803         const struct snd_pci_quirk *wl;
2804
2805         wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2806         if (!wl)
2807                 return 0;
2808         printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n",
2809                pci->subsystem_vendor, pci->subsystem_device, wl->value);
2810         chip->ac97_bus->clock = wl->value;
2811         return 1;
2812 }
2813
2814 #ifdef CONFIG_PROC_FS
2815 static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2816                                    struct snd_info_buffer *buffer)
2817 {
2818         struct intel8x0 *chip = entry->private_data;
2819         unsigned int tmp;
2820
2821         snd_iprintf(buffer, "Intel8x0\n\n");
2822         if (chip->device_type == DEVICE_ALI)
2823                 return;
2824         tmp = igetdword(chip, ICHREG(GLOB_STA));
2825         snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2826         snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2827         if (chip->device_type == DEVICE_INTEL_ICH4)
2828                 snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2829         snd_iprintf(buffer, "AC'97 codecs ready    :");
2830         if (tmp & chip->codec_isr_bits) {
2831                 int i;
2832                 static const char *codecs[3] = {
2833                         "primary", "secondary", "tertiary"
2834                 };
2835                 for (i = 0; i < chip->max_codecs; i++)
2836                         if (tmp & chip->codec_bit[i])
2837                                 snd_iprintf(buffer, " %s", codecs[i]);
2838         } else
2839                 snd_iprintf(buffer, " none");
2840         snd_iprintf(buffer, "\n");
2841         if (chip->device_type == DEVICE_INTEL_ICH4 ||
2842             chip->device_type == DEVICE_SIS)
2843                 snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2844                         chip->ac97_sdin[0],
2845                         chip->ac97_sdin[1],
2846                         chip->ac97_sdin[2]);
2847 }
2848
2849 static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip)
2850 {
2851         struct snd_info_entry *entry;
2852
2853         if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2854                 snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
2855 }
2856 #else
2857 #define snd_intel8x0_proc_init(x)
2858 #endif
2859
2860 static int snd_intel8x0_dev_free(struct snd_device *device)
2861 {
2862         struct intel8x0 *chip = device->device_data;
2863         return snd_intel8x0_free(chip);
2864 }
2865
2866 struct ich_reg_info {
2867         unsigned int int_sta_mask;
2868         unsigned int offset;
2869 };
2870
2871 static unsigned int ich_codec_bits[3] = {
2872         ICH_PCR, ICH_SCR, ICH_TCR
2873 };
2874 static unsigned int sis_codec_bits[3] = {
2875         ICH_PCR, ICH_SCR, ICH_SIS_TCR
2876 };
2877
2878 static int __devinit snd_intel8x0_create(struct snd_card *card,
2879                                          struct pci_dev *pci,
2880                                          unsigned long device_type,
2881                                          struct intel8x0 ** r_intel8x0)
2882 {
2883         struct intel8x0 *chip;
2884         int err;
2885         unsigned int i;
2886         unsigned int int_sta_masks;
2887         struct ichdev *ichdev;
2888         static struct snd_device_ops ops = {
2889                 .dev_free =     snd_intel8x0_dev_free,
2890         };
2891
2892         static unsigned int bdbars[] = {
2893                 3, /* DEVICE_INTEL */
2894                 6, /* DEVICE_INTEL_ICH4 */
2895                 3, /* DEVICE_SIS */
2896                 6, /* DEVICE_ALI */
2897                 4, /* DEVICE_NFORCE */
2898         };
2899         static struct ich_reg_info intel_regs[6] = {
2900                 { ICH_PIINT, 0 },
2901                 { ICH_POINT, 0x10 },
2902                 { ICH_MCINT, 0x20 },
2903                 { ICH_M2INT, 0x40 },
2904                 { ICH_P2INT, 0x50 },
2905                 { ICH_SPINT, 0x60 },
2906         };
2907         static struct ich_reg_info nforce_regs[4] = {
2908                 { ICH_PIINT, 0 },
2909                 { ICH_POINT, 0x10 },
2910                 { ICH_MCINT, 0x20 },
2911                 { ICH_NVSPINT, 0x70 },
2912         };
2913         static struct ich_reg_info ali_regs[6] = {
2914                 { ALI_INT_PCMIN, 0x40 },
2915                 { ALI_INT_PCMOUT, 0x50 },
2916                 { ALI_INT_MICIN, 0x60 },
2917                 { ALI_INT_CODECSPDIFOUT, 0x70 },
2918                 { ALI_INT_SPDIFIN, 0xa0 },
2919                 { ALI_INT_SPDIFOUT, 0xb0 },
2920         };
2921         struct ich_reg_info *tbl;
2922
2923         *r_intel8x0 = NULL;
2924
2925         if ((err = pci_enable_device(pci)) < 0)
2926                 return err;
2927
2928         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2929         if (chip == NULL) {
2930                 pci_disable_device(pci);
2931                 return -ENOMEM;
2932         }
2933         spin_lock_init(&chip->reg_lock);
2934         chip->device_type = device_type;
2935         chip->card = card;
2936         chip->pci = pci;
2937         chip->irq = -1;
2938
2939         /* module parameters */
2940         chip->buggy_irq = buggy_irq;
2941         chip->buggy_semaphore = buggy_semaphore;
2942         if (xbox)
2943                 chip->xbox = 1;
2944
2945         if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2946             pci->device == PCI_DEVICE_ID_INTEL_440MX)
2947                 chip->fix_nocache = 1; /* enable workaround */
2948
2949         if ((err = pci_request_regions(pci, card->shortname)) < 0) {
2950                 kfree(chip);
2951                 pci_disable_device(pci);
2952                 return err;
2953         }
2954
2955         if (device_type == DEVICE_ALI) {
2956                 /* ALI5455 has no ac97 region */
2957                 chip->bmaddr = pci_iomap(pci, 0, 0);
2958                 goto port_inited;
2959         }
2960
2961         if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
2962                 chip->addr = pci_iomap(pci, 2, 0);
2963         else
2964                 chip->addr = pci_iomap(pci, 0, 0);
2965         if (!chip->addr) {
2966                 snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
2967                 snd_intel8x0_free(chip);
2968                 return -EIO;
2969         }
2970         if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
2971                 chip->bmaddr = pci_iomap(pci, 3, 0);
2972         else
2973                 chip->bmaddr = pci_iomap(pci, 1, 0);
2974         if (!chip->bmaddr) {
2975                 snd_printk(KERN_ERR "Controller space ioremap problem\n");
2976                 snd_intel8x0_free(chip);
2977                 return -EIO;
2978         }
2979
2980  port_inited:
2981         chip->bdbars_count = bdbars[device_type];
2982
2983         /* initialize offsets */
2984         switch (device_type) {
2985         case DEVICE_NFORCE:
2986                 tbl = nforce_regs;
2987                 break;
2988         case DEVICE_ALI:
2989                 tbl = ali_regs;
2990                 break;
2991         default:
2992                 tbl = intel_regs;
2993                 break;
2994         }
2995         for (i = 0; i < chip->bdbars_count; i++) {
2996                 ichdev = &chip->ichd[i];
2997                 ichdev->ichd = i;
2998                 ichdev->reg_offset = tbl[i].offset;
2999                 ichdev->int_sta_mask = tbl[i].int_sta_mask;
3000                 if (device_type == DEVICE_SIS) {
3001                         /* SiS 7012 swaps the registers */
3002                         ichdev->roff_sr = ICH_REG_OFF_PICB;
3003                         ichdev->roff_picb = ICH_REG_OFF_SR;
3004                 } else {
3005                         ichdev->roff_sr = ICH_REG_OFF_SR;
3006                         ichdev->roff_picb = ICH_REG_OFF_PICB;
3007                 }
3008                 if (device_type == DEVICE_ALI)
3009                         ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3010                 /* SIS7012 handles the pcm data in bytes, others are in samples */
3011                 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3012         }
3013
3014         /* allocate buffer descriptor lists */
3015         /* the start of each lists must be aligned to 8 bytes */
3016         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
3017                                 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3018                                 &chip->bdbars) < 0) {
3019                 snd_intel8x0_free(chip);
3020                 snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n");
3021                 return -ENOMEM;
3022         }
3023         /* tables must be aligned to 8 bytes here, but the kernel pages
3024            are much bigger, so we don't care (on i386) */
3025         /* workaround for 440MX */
3026         if (chip->fix_nocache)
3027                 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
3028         int_sta_masks = 0;
3029         for (i = 0; i < chip->bdbars_count; i++) {
3030                 ichdev = &chip->ichd[i];
3031                 ichdev->bdbar = ((u32 *)chip->bdbars.area) +
3032                         (i * ICH_MAX_FRAGS * 2);
3033                 ichdev->bdbar_addr = chip->bdbars.addr +
3034                         (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3035                 int_sta_masks |= ichdev->int_sta_mask;
3036         }
3037         chip->int_sta_reg = device_type == DEVICE_ALI ?
3038                 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3039         chip->int_sta_mask = int_sta_masks;
3040
3041         pci_set_master(pci);
3042
3043         switch(chip->device_type) {
3044         case DEVICE_INTEL_ICH4:
3045                 /* ICH4 can have three codecs */
3046                 chip->max_codecs = 3;
3047                 chip->codec_bit = ich_codec_bits;
3048                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3049                 break;
3050         case DEVICE_SIS:
3051                 /* recent SIS7012 can have three codecs */
3052                 chip->max_codecs = 3;
3053                 chip->codec_bit = sis_codec_bits;
3054                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3055                 break;
3056         default:
3057                 /* others up to two codecs */
3058                 chip->max_codecs = 2;
3059                 chip->codec_bit = ich_codec_bits;
3060                 chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3061                 break;
3062         }
3063         for (i = 0; i < chip->max_codecs; i++)
3064                 chip->codec_isr_bits |= chip->codec_bit[i];
3065
3066         if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3067                 snd_intel8x0_free(chip);
3068                 return err;
3069         }
3070
3071         /* request irq after initializaing int_sta_mask, etc */
3072         if (request_irq(pci->irq, snd_intel8x0_interrupt,
3073                         IRQF_SHARED, card->shortname, chip)) {
3074                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
3075                 snd_intel8x0_free(chip);
3076                 return -EBUSY;
3077         }
3078         chip->irq = pci->irq;
3079
3080         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3081                 snd_intel8x0_free(chip);
3082                 return err;
3083         }
3084
3085         snd_card_set_dev(card, &pci->dev);
3086
3087         *r_intel8x0 = chip;
3088         return 0;
3089 }
3090
3091 static struct shortname_table {
3092         unsigned int id;
3093         const char *s;
3094 } shortnames[] __devinitdata = {
3095         { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3096         { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3097         { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3098         { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3099         { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3100         { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3101         { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3102         { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3103         { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3104         { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3105         { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3106         { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3107         { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3108         { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3109         { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3110         { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3111         { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3112         { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3113         { 0x003a, "NVidia MCP04" },
3114         { 0x746d, "AMD AMD8111" },
3115         { 0x7445, "AMD AMD768" },
3116         { 0x5455, "ALi M5455" },
3117         { 0, NULL },
3118 };
3119
3120 static struct snd_pci_quirk spdif_aclink_defaults[] __devinitdata = {
3121         SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3122         { } /* end */
3123 };
3124
3125 /* look up white/black list for SPDIF over ac-link */
3126 static int __devinit check_default_spdif_aclink(struct pci_dev *pci)
3127 {
3128         const struct snd_pci_quirk *w;
3129
3130         w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3131         if (w) {
3132                 if (w->value)
3133                         snd_printdd(KERN_INFO "intel8x0: Using SPDIF over "
3134                                     "AC-Link for %s\n", w->name);
3135                 else
3136                         snd_printdd(KERN_INFO "intel8x0: Using integrated "
3137                                     "SPDIF DMA for %s\n", w->name);
3138                 return w->value;
3139         }
3140         return 0;
3141 }
3142
3143 static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
3144                                         const struct pci_device_id *pci_id)
3145 {
3146         struct snd_card *card;
3147         struct intel8x0 *chip;
3148         int err;
3149         struct shortname_table *name;
3150
3151         err = snd_card_create(index, id, THIS_MODULE, 0, &card);
3152         if (err < 0)
3153                 return err;
3154
3155         if (spdif_aclink < 0)
3156                 spdif_aclink = check_default_spdif_aclink(pci);
3157
3158         strcpy(card->driver, "ICH");
3159         if (!spdif_aclink) {
3160                 switch (pci_id->driver_data) {
3161                 case DEVICE_NFORCE:
3162                         strcpy(card->driver, "NFORCE");
3163                         break;
3164                 case DEVICE_INTEL_ICH4:
3165                         strcpy(card->driver, "ICH4");
3166                 }
3167         }
3168
3169         strcpy(card->shortname, "Intel ICH");
3170         for (name = shortnames; name->id; name++) {
3171                 if (pci->device == name->id) {
3172                         strcpy(card->shortname, name->s);
3173                         break;
3174                 }
3175         }
3176
3177         if (buggy_irq < 0) {
3178                 /* some Nforce[2] and ICH boards have problems with IRQ handling.
3179                  * Needs to return IRQ_HANDLED for unknown irqs.
3180                  */
3181                 if (pci_id->driver_data == DEVICE_NFORCE)
3182                         buggy_irq = 1;
3183                 else
3184                         buggy_irq = 0;
3185         }
3186
3187         if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3188                                        &chip)) < 0) {
3189                 snd_card_free(card);
3190                 return err;
3191         }
3192         card->private_data = chip;
3193
3194         if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3195                 snd_card_free(card);
3196                 return err;
3197         }
3198         if ((err = snd_intel8x0_pcm(chip)) < 0) {
3199                 snd_card_free(card);
3200                 return err;
3201         }
3202         
3203         snd_intel8x0_proc_init(chip);
3204
3205         snprintf(card->longname, sizeof(card->longname),
3206                  "%s with %s at irq %i", card->shortname,
3207                  snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3208
3209         if (ac97_clock == 0 || ac97_clock == 1) {
3210                 if (ac97_clock == 0) {
3211                         if (intel8x0_in_clock_list(chip) == 0)
3212                                 intel8x0_measure_ac97_clock(chip);
3213                 } else {
3214                         intel8x0_measure_ac97_clock(chip);
3215                 }
3216         }
3217
3218         if ((err = snd_card_register(card)) < 0) {
3219                 snd_card_free(card);
3220                 return err;
3221         }
3222         pci_set_drvdata(pci, card);
3223         return 0;
3224 }
3225
3226 static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
3227 {
3228         snd_card_free(pci_get_drvdata(pci));
3229         pci_set_drvdata(pci, NULL);
3230 }
3231
3232 static struct pci_driver driver = {
3233         .name = "Intel ICH",
3234         .id_table = snd_intel8x0_ids,
3235         .probe = snd_intel8x0_probe,
3236         .remove = __devexit_p(snd_intel8x0_remove),
3237 #ifdef CONFIG_PM
3238         .suspend = intel8x0_suspend,
3239         .resume = intel8x0_resume,
3240 #endif
3241 };
3242