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[ALSA] ens1370 - Fix resume
[linux-2.6-block.git] / sound / pci / intel8x0.c
CommitLineData
1da177e4
LT		 1/*
2 * ALSA driver for Intel ICH (i8x0) chipsets
3 *
4 * Copyright (c) 2000 Jaroslav Kysela <perex@suse.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 <sound/driver.h>
30#include <asm/io.h>
31#include <linux/delay.h>
32#include <linux/interrupt.h>
33#include <linux/init.h>
34#include <linux/pci.h>
35#include <linux/slab.h>
36#include <linux/moduleparam.h>
37#include <sound/core.h>
38#include <sound/pcm.h>
39#include <sound/ac97_codec.h>
40#include <sound/info.h>
41#include <sound/initval.h>
42/* for 440MX workaround */
43#include <asm/pgtable.h>
44#include <asm/cacheflush.h>
45
46MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
47MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
48MODULE_LICENSE("GPL");
49MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
50 "{Intel,82901AB-ICH0},"
51 "{Intel,82801BA-ICH2},"
52 "{Intel,82801CA-ICH3},"
53 "{Intel,82801DB-ICH4},"
54 "{Intel,ICH5},"
55 "{Intel,ICH6},"
56 "{Intel,ICH7},"
57 "{Intel,6300ESB},"
c4c8ea94 58 "{Intel,ESB2},"
1da177e4
LT		 59 "{Intel,MX440},"
60 "{SiS,SI7012},"
61 "{NVidia,nForce Audio},"
62 "{NVidia,nForce2 Audio},"
63 "{AMD,AMD768},"
64 "{AMD,AMD8111},"
65 "{ALI,M5455}}");
66
b7fe4622
CL		 67static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
68static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
69static int ac97_clock = 0;
70static char *ac97_quirk;
71static int buggy_semaphore;
beef08a5 72static int buggy_irq = -1; /* auto-check */
b7fe4622
CL		 73static int xbox;
74
75module_param(index, int, 0444);
1da177e4 76MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
b7fe4622 77module_param(id, charp, 0444);
1da177e4 78MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
b7fe4622 79module_param(ac97_clock, int, 0444);
1da177e4 80MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect).");
b7fe4622 81module_param(ac97_quirk, charp, 0444);
1da177e4 82MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
b7fe4622 83module_param(buggy_semaphore, bool, 0444);
a06147d2 84MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
b7fe4622 85module_param(buggy_irq, bool, 0444);
1da177e4 86MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
b7fe4622 87module_param(xbox, bool, 0444);
1da177e4
LT		 88MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
89
2b3e584b
TI		 90/* just for backward compatibility */
91static int enable;
698444f3 92module_param(enable, bool, 0444);
2b3e584b
TI		 93static int joystick;
94module_param(joystick, int, 0444);
95
1da177e4
LT		 96/*
97 * Direct registers
98 */
1da177e4
LT		 99enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
100
101#define ICHREG(x) ICH_REG_##x
102
103#define DEFINE_REGSET(name,base) \
104enum { \
105 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \
106 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \
107 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \
108 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \
109 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \
110 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \
111 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \
112};
113
114/* busmaster blocks */
115DEFINE_REGSET(OFF, 0); /* offset */
116DEFINE_REGSET(PI, 0x00); /* PCM in */
117DEFINE_REGSET(PO, 0x10); /* PCM out */
118DEFINE_REGSET(MC, 0x20); /* Mic in */
119
120/* ICH4 busmaster blocks */
121DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */
122DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */
123DEFINE_REGSET(SP, 0x60); /* SPDIF out */
124
125/* values for each busmaster block */
126
127/* LVI */
128#define ICH_REG_LVI_MASK 0x1f
129
130/* SR */
131#define ICH_FIFOE 0x10 /* FIFO error */
132#define ICH_BCIS 0x08 /* buffer completion interrupt status */
133#define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */
134#define ICH_CELV 0x02 /* current equals last valid */
135#define ICH_DCH 0x01 /* DMA controller halted */
136
137/* PIV */
138#define ICH_REG_PIV_MASK 0x1f /* mask */
139
140/* CR */
141#define ICH_IOCE 0x10 /* interrupt on completion enable */
142#define ICH_FEIE 0x08 /* fifo error interrupt enable */
143#define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */
144#define ICH_RESETREGS 0x02 /* reset busmaster registers */
145#define ICH_STARTBM 0x01 /* start busmaster operation */
146
147
148/* global block */
149#define ICH_REG_GLOB_CNT 0x2c /* dword - global control */
150#define ICH_PCM_SPDIF_MASK 0xc0000000 /* s/pdif pcm slot mask (ICH4) */
151#define ICH_PCM_SPDIF_NONE 0x00000000 /* reserved - undefined */
152#define ICH_PCM_SPDIF_78 0x40000000 /* s/pdif pcm on slots 7&8 */
153#define ICH_PCM_SPDIF_69 0x80000000 /* s/pdif pcm on slots 6&9 */
154#define ICH_PCM_SPDIF_1011 0xc0000000 /* s/pdif pcm on slots 10&11 */
155#define ICH_PCM_20BIT 0x00400000 /* 20-bit samples (ICH4) */
156#define ICH_PCM_246_MASK 0x00300000 /* 6 channels (not all chips) */
157#define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */
158#define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */
159#define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */
160#define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */
161#define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */
162#define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */
163#define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */
164#define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */
165#define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */
166#define ICH_PRIE 0x00000010 /* primary resume interrupt enable */
167#define ICH_ACLINK 0x00000008 /* AClink shut off */
168#define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */
169#define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */
170#define ICH_GIE 0x00000001 /* GPI interrupt enable */
171#define ICH_REG_GLOB_STA 0x30 /* dword - global status */
172#define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */
173#define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */
174#define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */
175#define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */
176#define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */
177#define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */
178#define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */
179#define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */
180#define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */
181#define ICH_MD3 0x00020000 /* modem power down semaphore */
182#define ICH_AD3 0x00010000 /* audio power down semaphore */
183#define ICH_RCS 0x00008000 /* read completion status */
184#define ICH_BIT3 0x00004000 /* bit 3 slot 12 */
185#define ICH_BIT2 0x00002000 /* bit 2 slot 12 */
186#define ICH_BIT1 0x00001000 /* bit 1 slot 12 */
187#define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */
188#define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */
189#define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */
190#define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */
191#define ICH_MCINT 0x00000080 /* MIC capture interrupt */
192#define ICH_POINT 0x00000040 /* playback interrupt */
193#define ICH_PIINT 0x00000020 /* capture interrupt */
194#define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */
195#define ICH_MOINT 0x00000004 /* modem playback interrupt */
196#define ICH_MIINT 0x00000002 /* modem capture interrupt */
197#define ICH_GSCI 0x00000001 /* GPI status change interrupt */
198#define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */
199#define ICH_CAS 0x01 /* codec access semaphore */
200#define ICH_REG_SDM 0x80
201#define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */
202#define ICH_DI2L_SHIFT 6
203#define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */
204#define ICH_DI1L_SHIFT 4
205#define ICH_SE 0x00000008 /* steer enable */
206#define ICH_LDI_MASK 0x00000003 /* last codec read data input */
207
208#define ICH_MAX_FRAGS 32 /* max hw frags */
209
210
211/*
212 * registers for Ali5455
213 */
214
215/* ALi 5455 busmaster blocks */
216DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */
217DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */
218DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */
219DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */
220DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */
221DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */
222DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */
223DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */
224DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */
225DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */
226DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */
227
228enum {
229 ICH_REG_ALI_SCR = 0x00, /* System Control Register */
230 ICH_REG_ALI_SSR = 0x04, /* System Status Register */
231 ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */
232 ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */
233 ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
234 ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
235 ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */
236 ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */
237 ICH_REG_ALI_CPR = 0x20, /* Command Port Register */
238 ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */
239 ICH_REG_ALI_SPR = 0x24, /* Status Port Register */
240 ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */
241 ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */
242 ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */
243 ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */
244 ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */
245 ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */
246 ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */
247 ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */
248 ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */
249 ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */
250};
251
252#define ALI_CAS_SEM_BUSY 0x80000000
253#define ALI_CPR_ADDR_SECONDARY 0x100
254#define ALI_CPR_ADDR_READ 0x80
255#define ALI_CSPSR_CODEC_READY 0x08
256#define ALI_CSPSR_READ_OK 0x02
257#define ALI_CSPSR_WRITE_OK 0x01
258
259/* interrupts for the whole chip by interrupt status register finish */
260
261#define ALI_INT_MICIN2 (1<<26)
262#define ALI_INT_PCMIN2 (1<<25)
263#define ALI_INT_I2SIN (1<<24)
264#define ALI_INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */
265#define ALI_INT_SPDIFIN (1<<22)
266#define ALI_INT_LFEOUT (1<<21)
267#define ALI_INT_CENTEROUT (1<<20)
268#define ALI_INT_CODECSPDIFOUT (1<<19)
269#define ALI_INT_MICIN (1<<18)
270#define ALI_INT_PCMOUT (1<<17)
271#define ALI_INT_PCMIN (1<<16)
272#define ALI_INT_CPRAIS (1<<7) /* command port available */
273#define ALI_INT_SPRAIS (1<<5) /* status port available */
274#define ALI_INT_GPIO (1<<1)
6b75a9d8
TI		 275#define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
276 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
1da177e4
LT		 277
278#define ICH_ALI_SC_RESET (1<<31) /* master reset */
279#define ICH_ALI_SC_AC97_DBL (1<<30)
280#define ICH_ALI_SC_CODEC_SPDF (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
281#define ICH_ALI_SC_IN_BITS (3<<18)
282#define ICH_ALI_SC_OUT_BITS (3<<16)
283#define ICH_ALI_SC_6CH_CFG (3<<14)
284#define ICH_ALI_SC_PCM_4 (1<<8)
285#define ICH_ALI_SC_PCM_6 (2<<8)
286#define ICH_ALI_SC_PCM_246_MASK (3<<8)
287
288#define ICH_ALI_SS_SEC_ID (3<<5)
289#define ICH_ALI_SS_PRI_ID (3<<3)
290
291#define ICH_ALI_IF_AC97SP (1<<21)
292#define ICH_ALI_IF_MC (1<<20)
293#define ICH_ALI_IF_PI (1<<19)
294#define ICH_ALI_IF_MC2 (1<<18)
295#define ICH_ALI_IF_PI2 (1<<17)
296#define ICH_ALI_IF_LINE_SRC (1<<15) /* 0/1 = slot 3/6 */
297#define ICH_ALI_IF_MIC_SRC (1<<14) /* 0/1 = slot 3/6 */
298#define ICH_ALI_IF_SPDF_SRC (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
299#define ICH_ALI_IF_AC97_OUT (3<<8) /* 00 = PCM, 10 = spdif-in, 11 = i2s */
300#define ICH_ALI_IF_PO_SPDF (1<<3)
301#define ICH_ALI_IF_PO (1<<1)
302
303/*
304 *
305 */
306
6b75a9d8
TI		 307enum {
308 ICHD_PCMIN,
309 ICHD_PCMOUT,
310 ICHD_MIC,
311 ICHD_MIC2,
312 ICHD_PCM2IN,
313 ICHD_SPBAR,
314 ICHD_LAST = ICHD_SPBAR
315};
316enum {
317 NVD_PCMIN,
318 NVD_PCMOUT,
319 NVD_MIC,
320 NVD_SPBAR,
321 NVD_LAST = NVD_SPBAR
322};
323enum {
324 ALID_PCMIN,
325 ALID_PCMOUT,
326 ALID_MIC,
327 ALID_AC97SPDIFOUT,
328 ALID_SPDIFIN,
329 ALID_SPDIFOUT,
330 ALID_LAST = ALID_SPDIFOUT
331};
1da177e4 332
6b75a9d8 333#define get_ichdev(substream) (substream->runtime->private_data)
1da177e4 334
6b75a9d8 335struct ichdev {
1da177e4
LT		 336 unsigned int ichd; /* ich device number */
337 unsigned long reg_offset; /* offset to bmaddr */
338 u32 *bdbar; /* CPU address (32bit) */
339 unsigned int bdbar_addr; /* PCI bus address (32bit) */
6b75a9d8 340 struct snd_pcm_substream *substream;
1da177e4
LT		 341 unsigned int physbuf; /* physical address (32bit) */
342 unsigned int size;
343 unsigned int fragsize;
344 unsigned int fragsize1;
345 unsigned int position;
346 unsigned int pos_shift;
347 int frags;
348 int lvi;
349 int lvi_frag;
350 int civ;
351 int ack;
352 int ack_reload;
353 unsigned int ack_bit;
354 unsigned int roff_sr;
355 unsigned int roff_picb;
356 unsigned int int_sta_mask; /* interrupt status mask */
357 unsigned int ali_slot; /* ALI DMA slot */
358 struct ac97_pcm *pcm;
359 int pcm_open_flag;
360 unsigned int page_attr_changed: 1;
1cfe43d2 361 unsigned int suspended: 1;
6b75a9d8 362};
1da177e4 363
6b75a9d8 364struct intel8x0 {
1da177e4
LT		 365 unsigned int device_type;
366
367 int irq;
368
369 unsigned int mmio;
370 unsigned long addr;
371 void __iomem *remap_addr;
372 unsigned int bm_mmio;
373 unsigned long bmaddr;
374 void __iomem *remap_bmaddr;
375
376 struct pci_dev *pci;
6b75a9d8 377 struct snd_card *card;
1da177e4
LT		 378
379 int pcm_devs;
6b75a9d8
TI		 380 struct snd_pcm *pcm[6];
381 struct ichdev ichd[6];
1da177e4
LT		 382
383 unsigned multi4: 1,
384 multi6: 1,
385 dra: 1,
386 smp20bit: 1;
387 unsigned in_ac97_init: 1,
388 in_sdin_init: 1;
389 unsigned in_measurement: 1; /* during ac97 clock measurement */
390 unsigned fix_nocache: 1; /* workaround for 440MX */
391 unsigned buggy_irq: 1; /* workaround for buggy mobos */
392 unsigned xbox: 1; /* workaround for Xbox AC'97 detection */
a06147d2 393 unsigned buggy_semaphore: 1; /* workaround for buggy codec semaphore */
1da177e4
LT		 394
395 int spdif_idx; /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
52b72388 396 unsigned int sdm_saved; /* SDM reg value */
1da177e4 397
6b75a9d8
TI		 398 struct snd_ac97_bus *ac97_bus;
399 struct snd_ac97 *ac97[3];
1da177e4
LT		 400 unsigned int ac97_sdin[3];
401
402 spinlock_t reg_lock;
403
404 u32 bdbars_count;
405 struct snd_dma_buffer bdbars;
406 u32 int_sta_reg; /* interrupt status register */
407 u32 int_sta_mask; /* interrupt status mask */
408};
409
410static struct pci_device_id snd_intel8x0_ids[] = {
411 { 0x8086, 0x2415, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */
412 { 0x8086, 0x2425, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */
413 { 0x8086, 0x2445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */
414 { 0x8086, 0x2485, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */
415 { 0x8086, 0x24c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH4 */
416 { 0x8086, 0x24d5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH5 */
417 { 0x8086, 0x25a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB */
418 { 0x8086, 0x266e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH6 */
419 { 0x8086, 0x27de, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH7 */
c4c8ea94 420 { 0x8086, 0x2698, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB2 */
1da177e4
LT		 421 { 0x8086, 0x7195, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */
422 { 0x1039, 0x7012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7012 */
423 { 0x10de, 0x01b1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */
424 { 0x10de, 0x003a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* MCP04 */
425 { 0x10de, 0x006a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */
426 { 0x10de, 0x0059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK804 */
427 { 0x10de, 0x008a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK8 */
428 { 0x10de, 0x00da, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */
429 { 0x10de, 0x00ea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK8S */
89ac9c25 430 { 0x10de, 0x026b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* MCP51 */
1da177e4
LT		 431 { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */
432 { 0x1022, 0x7445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */
433 { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */
434 { 0, }
435};
436
437MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
438
439/*
440 * Lowlevel I/O - busmaster
441 */
442
6b75a9d8 443static u8 igetbyte(struct intel8x0 *chip, u32 offset)
1da177e4
LT		 444{
445 if (chip->bm_mmio)
446 return readb(chip->remap_bmaddr + offset);
447 else
448 return inb(chip->bmaddr + offset);
449}
450
6b75a9d8 451static u16 igetword(struct intel8x0 *chip, u32 offset)
1da177e4
LT		 452{
453 if (chip->bm_mmio)
454 return readw(chip->remap_bmaddr + offset);
455 else
456 return inw(chip->bmaddr + offset);
457}
458
6b75a9d8 459static u32 igetdword(struct intel8x0 *chip, u32 offset)
1da177e4
LT		 460{
461 if (chip->bm_mmio)
462 return readl(chip->remap_bmaddr + offset);
463 else
464 return inl(chip->bmaddr + offset);
465}
466
6b75a9d8 467static void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
1da177e4
LT		 468{
469 if (chip->bm_mmio)
470 writeb(val, chip->remap_bmaddr + offset);
471 else
472 outb(val, chip->bmaddr + offset);
473}
474
6b75a9d8 475static void iputword(struct intel8x0 *chip, u32 offset, u16 val)
1da177e4
LT		 476{
477 if (chip->bm_mmio)
478 writew(val, chip->remap_bmaddr + offset);
479 else
480 outw(val, chip->bmaddr + offset);
481}
482
6b75a9d8 483static void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
1da177e4
LT		 484{
485 if (chip->bm_mmio)
486 writel(val, chip->remap_bmaddr + offset);
487 else
488 outl(val, chip->bmaddr + offset);
489}
490
491/*
492 * Lowlevel I/O - AC'97 registers
493 */
494
6b75a9d8 495static u16 iagetword(struct intel8x0 *chip, u32 offset)
1da177e4
LT		 496{
497 if (chip->mmio)
498 return readw(chip->remap_addr + offset);
499 else
500 return inw(chip->addr + offset);
501}
502
6b75a9d8 503static void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
1da177e4
LT		 504{
505 if (chip->mmio)
506 writew(val, chip->remap_addr + offset);
507 else
508 outw(val, chip->addr + offset);
509}
510
511/*
512 * Basic I/O
513 */
514
515/*
516 * access to AC97 codec via normal i/o (for ICH and SIS7012)
517 */
518
519/* return the GLOB_STA bit for the corresponding codec */
6b75a9d8 520static unsigned int get_ich_codec_bit(struct intel8x0 *chip, unsigned int codec)
1da177e4
LT		 521{
522 static unsigned int codec_bit[3] = {
523 ICH_PCR, ICH_SCR, ICH_TCR
524 };
525 snd_assert(codec < 3, return ICH_PCR);
526 if (chip->device_type == DEVICE_INTEL_ICH4)
527 codec = chip->ac97_sdin[codec];
528 return codec_bit[codec];
529}
530
6b75a9d8 531static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
1da177e4
LT		 532{
533 int time;
534
535 if (codec > 2)
536 return -EIO;
537 if (chip->in_sdin_init) {
538 /* we don't know the ready bit assignment at the moment */
539 /* so we check any */
540 codec = ICH_PCR | ICH_SCR | ICH_TCR;
541 } else {
542 codec = get_ich_codec_bit(chip, codec);
543 }
544
545 /* codec ready ? */
546 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
547 return -EIO;
548
a06147d2
TI		 549 if (chip->buggy_semaphore)
550 return 0; /* just ignore ... */
551
1da177e4
LT		 552 /* Anyone holding a semaphore for 1 msec should be shot... */
553 time = 100;
554 do {
555 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
556 return 0;
557 udelay(10);
558 } while (time--);
559
560 /* access to some forbidden (non existant) ac97 registers will not
561 * reset the semaphore. So even if you don't get the semaphore, still
562 * continue the access. We don't need the semaphore anyway. */
99b359ba 563 snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
1da177e4
LT		 564 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
565 iagetword(chip, 0); /* clear semaphore flag */
566 /* I don't care about the semaphore */
567 return -EBUSY;
568}
569
6b75a9d8 570static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
1da177e4
LT		 571 unsigned short reg,
572 unsigned short val)
573{
6b75a9d8 574 struct intel8x0 *chip = ac97->private_data;
1da177e4
LT		 575
576 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
577 if (! chip->in_ac97_init)
99b359ba 578 snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
1da177e4
LT		 579 }
580 iaputword(chip, reg + ac97->num * 0x80, val);
581}
582
6b75a9d8 583static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
1da177e4
LT		 584 unsigned short reg)
585{
6b75a9d8 586 struct intel8x0 *chip = ac97->private_data;
1da177e4
LT		 587 unsigned short res;
588 unsigned int tmp;
589
590 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
591 if (! chip->in_ac97_init)
99b359ba 592 snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
1da177e4
LT		 593 res = 0xffff;
594 } else {
595 res = iagetword(chip, reg + ac97->num * 0x80);
596 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
597 /* reset RCS and preserve other R/WC bits */
6b75a9d8
TI		 598 iputdword(chip, ICHREG(GLOB_STA), tmp &
599 ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
1da177e4 600 if (! chip->in_ac97_init)
99b359ba 601 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
1da177e4
LT		 602 res = 0xffff;
603 }
604 }
605 return res;
606}
607
6b75a9d8 608static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, unsigned int codec)
1da177e4
LT		 609{
610 unsigned int tmp;
611
612 if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
613 iagetword(chip, codec * 0x80);
614 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
615 /* reset RCS and preserve other R/WC bits */
6b75a9d8
TI		 616 iputdword(chip, ICHREG(GLOB_STA), tmp &
617 ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
1da177e4
LT		 618 }
619 }
620}
621
622/*
623 * access to AC97 for Ali5455
624 */
6b75a9d8 625static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
1da177e4
LT		 626{
627 int count = 0;
628 for (count = 0; count < 0x7f; count++) {
629 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
630 if (val & mask)
631 return 0;
632 }
79ba34b9
TI		 633 if (! chip->in_ac97_init)
634 snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
1da177e4
LT		 635 return -EBUSY;
636}
637
6b75a9d8 638static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
1da177e4
LT		 639{
640 int time = 100;
79ba34b9
TI		 641 if (chip->buggy_semaphore)
642 return 0; /* just ignore ... */
1da177e4
LT		 643 while (time-- && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
644 udelay(1);
79ba34b9 645 if (! time && ! chip->in_ac97_init)
1da177e4
LT		 646 snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
647 return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
648}
649
6b75a9d8 650static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 651{
6b75a9d8 652 struct intel8x0 *chip = ac97->private_data;
1da177e4
LT		 653 unsigned short data = 0xffff;
654
655 if (snd_intel8x0_ali_codec_semaphore(chip))
656 goto __err;
657 reg |= ALI_CPR_ADDR_READ;
658 if (ac97->num)
659 reg |= ALI_CPR_ADDR_SECONDARY;
660 iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
661 if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
662 goto __err;
663 data = igetword(chip, ICHREG(ALI_SPR));
664 __err:
665 return data;
666}
667
6b75a9d8
TI		 668static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
669 unsigned short val)
1da177e4 670{
6b75a9d8 671 struct intel8x0 *chip = ac97->private_data;
1da177e4
LT		 672
673 if (snd_intel8x0_ali_codec_semaphore(chip))
674 return;
675 iputword(chip, ICHREG(ALI_CPR), val);
676 if (ac97->num)
677 reg |= ALI_CPR_ADDR_SECONDARY;
678 iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
679 snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
680}
681
682
683/*
684 * DMA I/O
685 */
6b75a9d8 686static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
1da177e4
LT		 687{
688 int idx;
689 u32 *bdbar = ichdev->bdbar;
690 unsigned long port = ichdev->reg_offset;
691
692 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
693 if (ichdev->size == ichdev->fragsize) {
694 ichdev->ack_reload = ichdev->ack = 2;
695 ichdev->fragsize1 = ichdev->fragsize >> 1;
696 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
697 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
698 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
699 ichdev->fragsize1 >> ichdev->pos_shift);
700 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
701 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
702 ichdev->fragsize1 >> ichdev->pos_shift);
703 }
704 ichdev->frags = 2;
705 } else {
706 ichdev->ack_reload = ichdev->ack = 1;
707 ichdev->fragsize1 = ichdev->fragsize;
708 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
6b75a9d8
TI		 709 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
710 (((idx >> 1) * ichdev->fragsize) %
711 ichdev->size));
1da177e4
LT		 712 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
713 ichdev->fragsize >> ichdev->pos_shift);
6b75a9d8
TI		 714#if 0
715 printk("bdbar[%i] = 0x%x [0x%x]\n",
716 idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
717#endif
1da177e4
LT		 718 }
719 ichdev->frags = ichdev->size / ichdev->fragsize;
720 }
721 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
722 ichdev->civ = 0;
723 iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
724 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
725 ichdev->position = 0;
726#if 0
727 printk("lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
728 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, ichdev->fragsize1);
729#endif
730 /* clear interrupts */
731 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
732}
733
734#ifdef __i386__
735/*
736 * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
737 * which aborts PCI busmaster for audio transfer. A workaround is to set
738 * the pages as non-cached. For details, see the errata in
739 * http://www.intel.com/design/chipsets/specupdt/245051.htm
740 */
741static void fill_nocache(void *buf, int size, int nocache)
742{
743 size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
744 change_page_attr(virt_to_page(buf), size, nocache ? PAGE_KERNEL_NOCACHE : PAGE_KERNEL);
745 global_flush_tlb();
746}
747#else
748#define fill_nocache(buf,size,nocache)
749#endif
750
751/*
752 * Interrupt handler
753 */
754
6b75a9d8 755static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
1da177e4
LT		 756{
757 unsigned long port = ichdev->reg_offset;
758 int status, civ, i, step;
759 int ack = 0;
760
761 spin_lock(&chip->reg_lock);
762 status = igetbyte(chip, port + ichdev->roff_sr);
763 civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
764 if (!(status & ICH_BCIS)) {
765 step = 0;
766 } else if (civ == ichdev->civ) {
767 // snd_printd("civ same %d\n", civ);
768 step = 1;
769 ichdev->civ++;
770 ichdev->civ &= ICH_REG_LVI_MASK;
771 } else {
772 step = civ - ichdev->civ;
773 if (step < 0)
774 step += ICH_REG_LVI_MASK + 1;
775 // if (step != 1)
776 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
777 ichdev->civ = civ;
778 }
779
780 ichdev->position += step * ichdev->fragsize1;
781 if (! chip->in_measurement)
782 ichdev->position %= ichdev->size;
783 ichdev->lvi += step;
784 ichdev->lvi &= ICH_REG_LVI_MASK;
785 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
786 for (i = 0; i < step; i++) {
787 ichdev->lvi_frag++;
788 ichdev->lvi_frag %= ichdev->frags;
789 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
6b75a9d8
TI		 790#if 0
791 printk("new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
792 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
793 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
794 inl(port + 4), inb(port + ICH_REG_OFF_CR));
795#endif
1da177e4
LT		 796 if (--ichdev->ack == 0) {
797 ichdev->ack = ichdev->ack_reload;
798 ack = 1;
799 }
800 }
801 spin_unlock(&chip->reg_lock);
802 if (ack && ichdev->substream) {
803 snd_pcm_period_elapsed(ichdev->substream);
804 }
805 iputbyte(chip, port + ichdev->roff_sr,
806 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
807}
808
809static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id, struct pt_regs *regs)
810{
6b75a9d8
TI		 811 struct intel8x0 *chip = dev_id;
812 struct ichdev *ichdev;
1da177e4
LT		 813 unsigned int status;
814 unsigned int i;
815
816 status = igetdword(chip, chip->int_sta_reg);
817 if (status == 0xffffffff) /* we are not yet resumed */
818 return IRQ_NONE;
819
820 if ((status & chip->int_sta_mask) == 0) {
821 if (status) {
822 /* ack */
823 iputdword(chip, chip->int_sta_reg, status);
824 if (! chip->buggy_irq)
825 status = 0;
826 }
827 return IRQ_RETVAL(status);
828 }
829
830 for (i = 0; i < chip->bdbars_count; i++) {
831 ichdev = &chip->ichd[i];
832 if (status & ichdev->int_sta_mask)
833 snd_intel8x0_update(chip, ichdev);
834 }
835
836 /* ack them */
837 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
838
839 return IRQ_HANDLED;
840}
841
842/*
843 * PCM part
844 */
845
6b75a9d8 846static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1da177e4 847{
6b75a9d8
TI		 848 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
849 struct ichdev *ichdev = get_ichdev(substream);
1da177e4
LT		 850 unsigned char val = 0;
851 unsigned long port = ichdev->reg_offset;
852
853 switch (cmd) {
1da177e4 854 case SNDRV_PCM_TRIGGER_RESUME:
1cfe43d2
TI		 855 ichdev->suspended = 0;
856 /* fallthru */
857 case SNDRV_PCM_TRIGGER_START:
1da177e4
LT		 858 val = ICH_IOCE | ICH_STARTBM;
859 break;
1da177e4 860 case SNDRV_PCM_TRIGGER_SUSPEND:
1cfe43d2
TI		 861 ichdev->suspended = 1;
862 /* fallthru */
863 case SNDRV_PCM_TRIGGER_STOP:
1da177e4
LT		 864 val = 0;
865 break;
866 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
867 val = ICH_IOCE;
868 break;
869 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
870 val = ICH_IOCE | ICH_STARTBM;
871 break;
872 default:
873 return -EINVAL;
874 }
875 iputbyte(chip, port + ICH_REG_OFF_CR, val);
876 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
877 /* wait until DMA stopped */
878 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
879 /* reset whole DMA things */
880 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
881 }
882 return 0;
883}
884
6b75a9d8 885static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
1da177e4 886{
6b75a9d8
TI		 887 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
888 struct ichdev *ichdev = get_ichdev(substream);
1da177e4 889 unsigned long port = ichdev->reg_offset;
6b75a9d8
TI		 890 static int fiforeg[] = {
891 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
892 };
1da177e4
LT		 893 unsigned int val, fifo;
894
895 val = igetdword(chip, ICHREG(ALI_DMACR));
896 switch (cmd) {
1cfe43d2
TI		 897 case SNDRV_PCM_TRIGGER_RESUME:
898 ichdev->suspended = 0;
899 /* fallthru */
1da177e4
LT		 900 case SNDRV_PCM_TRIGGER_START:
901 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1da177e4
LT		 902 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
903 /* clear FIFO for synchronization of channels */
904 fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
905 fifo &= ~(0xff << (ichdev->ali_slot % 4));
906 fifo |= 0x83 << (ichdev->ali_slot % 4);
907 iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
908 }
909 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
910 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
6b75a9d8
TI		 911 /* start DMA */
912 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
1da177e4 913 break;
1cfe43d2
TI		 914 case SNDRV_PCM_TRIGGER_SUSPEND:
915 ichdev->suspended = 1;
916 /* fallthru */
1da177e4
LT		 917 case SNDRV_PCM_TRIGGER_STOP:
918 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
6b75a9d8
TI		 919 /* pause */
920 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
1da177e4
LT		 921 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
922 while (igetbyte(chip, port + ICH_REG_OFF_CR))
923 ;
924 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
925 break;
926 /* reset whole DMA things */
927 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
928 /* clear interrupts */
6b75a9d8
TI		 929 iputbyte(chip, port + ICH_REG_OFF_SR,
930 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
1da177e4
LT		 931 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
932 igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
933 break;
934 default:
935 return -EINVAL;
936 }
937 return 0;
938}
939
6b75a9d8
TI		 940static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
941 struct snd_pcm_hw_params *hw_params)
1da177e4 942{
6b75a9d8
TI		 943 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
944 struct ichdev *ichdev = get_ichdev(substream);
945 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 946 int dbl = params_rate(hw_params) > 48000;
947 int err;
948
949 if (chip->fix_nocache && ichdev->page_attr_changed) {
950 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
951 ichdev->page_attr_changed = 0;
952 }
953 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
954 if (err < 0)
955 return err;
956 if (chip->fix_nocache) {
957 if (runtime->dma_area && ! ichdev->page_attr_changed) {
958 fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
959 ichdev->page_attr_changed = 1;
960 }
961 }
962 if (ichdev->pcm_open_flag) {
963 snd_ac97_pcm_close(ichdev->pcm);
964 ichdev->pcm_open_flag = 0;
965 }
966 err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
967 params_channels(hw_params),
968 ichdev->pcm->r[dbl].slots);
969 if (err >= 0) {
970 ichdev->pcm_open_flag = 1;
971 /* Force SPDIF setting */
972 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
6b75a9d8
TI		 973 snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
974 params_rate(hw_params));
1da177e4
LT		 975 }
976 return err;
977}
978
6b75a9d8 979static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
1da177e4 980{
6b75a9d8
TI		 981 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
982 struct ichdev *ichdev = get_ichdev(substream);
1da177e4
LT		 983
984 if (ichdev->pcm_open_flag) {
985 snd_ac97_pcm_close(ichdev->pcm);
986 ichdev->pcm_open_flag = 0;
987 }
988 if (chip->fix_nocache && ichdev->page_attr_changed) {
989 fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
990 ichdev->page_attr_changed = 0;
991 }
992 return snd_pcm_lib_free_pages(substream);
993}
994
6b75a9d8
TI		 995static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
996 struct snd_pcm_runtime *runtime)
1da177e4
LT		 997{
998 unsigned int cnt;
999 int dbl = runtime->rate > 48000;
1cfe43d2
TI		 1000
1001 spin_lock_irq(&chip->reg_lock);
1da177e4
LT		 1002 switch (chip->device_type) {
1003 case DEVICE_ALI:
1004 cnt = igetdword(chip, ICHREG(ALI_SCR));
1005 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
1006 if (runtime->channels == 4 || dbl)
1007 cnt |= ICH_ALI_SC_PCM_4;
1008 else if (runtime->channels == 6)
1009 cnt |= ICH_ALI_SC_PCM_6;
1010 iputdword(chip, ICHREG(ALI_SCR), cnt);
1011 break;
1012 case DEVICE_SIS:
1013 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1014 cnt &= ~ICH_SIS_PCM_246_MASK;
1015 if (runtime->channels == 4 || dbl)
1016 cnt |= ICH_SIS_PCM_4;
1017 else if (runtime->channels == 6)
1018 cnt |= ICH_SIS_PCM_6;
1019 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1020 break;
1021 default:
1022 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1023 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1024 if (runtime->channels == 4 || dbl)
1025 cnt |= ICH_PCM_4;
1026 else if (runtime->channels == 6)
1027 cnt |= ICH_PCM_6;
1028 if (chip->device_type == DEVICE_NFORCE) {
1029 /* reset to 2ch once to keep the 6 channel data in alignment,
1030 * to start from Front Left always
1031 */
1032 if (cnt & ICH_PCM_246_MASK) {
1033 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1034 spin_unlock_irq(&chip->reg_lock);
1035 msleep(50); /* grrr... */
1036 spin_lock_irq(&chip->reg_lock);
1037 }
1038 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
1039 if (runtime->sample_bits > 16)
1040 cnt |= ICH_PCM_20BIT;
1041 }
1042 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1043 break;
1044 }
1cfe43d2 1045 spin_unlock_irq(&chip->reg_lock);
1da177e4
LT		 1046}
1047
6b75a9d8 1048static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1da177e4 1049{
6b75a9d8
TI		 1050 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1051 struct snd_pcm_runtime *runtime = substream->runtime;
1052 struct ichdev *ichdev = get_ichdev(substream);
1da177e4
LT		 1053
1054 ichdev->physbuf = runtime->dma_addr;
1055 ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1056 ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1da177e4
LT		 1057 if (ichdev->ichd == ICHD_PCMOUT) {
1058 snd_intel8x0_setup_pcm_out(chip, runtime);
1cfe43d2 1059 if (chip->device_type == DEVICE_INTEL_ICH4)
1da177e4 1060 ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1da177e4
LT		 1061 }
1062 snd_intel8x0_setup_periods(chip, ichdev);
1da177e4
LT		 1063 return 0;
1064}
1065
6b75a9d8 1066static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1da177e4 1067{
6b75a9d8
TI		 1068 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1069 struct ichdev *ichdev = get_ichdev(substream);
1da177e4
LT		 1070 size_t ptr1, ptr;
1071 int civ, timeout = 100;
1072 unsigned int position;
1073
1074 spin_lock(&chip->reg_lock);
1075 do {
1076 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1077 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1078 position = ichdev->position;
1079 if (ptr1 == 0) {
1080 udelay(10);
1081 continue;
1082 }
1083 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
1084 ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1085 break;
1086 } while (timeout--);
1087 ptr1 <<= ichdev->pos_shift;
1088 ptr = ichdev->fragsize1 - ptr1;
1089 ptr += position;
1090 spin_unlock(&chip->reg_lock);
1091 if (ptr >= ichdev->size)
1092 return 0;
1093 return bytes_to_frames(substream->runtime, ptr);
1094}
1095
6b75a9d8 1096static struct snd_pcm_hardware snd_intel8x0_stream =
1da177e4
LT		 1097{
1098 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1099 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1100 SNDRV_PCM_INFO_MMAP_VALID |
1101 SNDRV_PCM_INFO_PAUSE |
1102 SNDRV_PCM_INFO_RESUME),
1103 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1104 .rates = SNDRV_PCM_RATE_48000,
1105 .rate_min = 48000,
1106 .rate_max = 48000,
1107 .channels_min = 2,
1108 .channels_max = 2,
1109 .buffer_bytes_max = 128 * 1024,
1110 .period_bytes_min = 32,
1111 .period_bytes_max = 128 * 1024,
1112 .periods_min = 1,
1113 .periods_max = 1024,
1114 .fifo_size = 0,
1115};
1116
1117static unsigned int channels4[] = {
1118 2, 4,
1119};
1120
6b75a9d8 1121static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1da177e4
LT		 1122 .count = ARRAY_SIZE(channels4),
1123 .list = channels4,
1124 .mask = 0,
1125};
1126
1127static unsigned int channels6[] = {
1128 2, 4, 6,
1129};
1130
6b75a9d8 1131static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1da177e4
LT		 1132 .count = ARRAY_SIZE(channels6),
1133 .list = channels6,
1134 .mask = 0,
1135};
1136
6b75a9d8 1137static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1da177e4 1138{
6b75a9d8
TI		 1139 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1140 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 1141 int err;
1142
1143 ichdev->substream = substream;
1144 runtime->hw = snd_intel8x0_stream;
1145 runtime->hw.rates = ichdev->pcm->rates;
1146 snd_pcm_limit_hw_rates(runtime);
1147 if (chip->device_type == DEVICE_SIS) {
1148 runtime->hw.buffer_bytes_max = 64*1024;
1149 runtime->hw.period_bytes_max = 64*1024;
1150 }
1151 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1152 return err;
1153 runtime->private_data = ichdev;
1154 return 0;
1155}
1156
6b75a9d8 1157static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1da177e4 1158{
6b75a9d8
TI		 1159 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1160 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 1161 int err;
1162
1163 err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1164 if (err < 0)
1165 return err;
1166
1167 if (chip->multi6) {
1168 runtime->hw.channels_max = 6;
6b75a9d8
TI		 1169 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1170 &hw_constraints_channels6);
1da177e4
LT		 1171 } else if (chip->multi4) {
1172 runtime->hw.channels_max = 4;
6b75a9d8
TI		 1173 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1174 &hw_constraints_channels4);
1da177e4
LT		 1175 }
1176 if (chip->dra) {
1177 snd_ac97_pcm_double_rate_rules(runtime);
1178 }
1179 if (chip->smp20bit) {
1180 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1181 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1182 }
1183 return 0;
1184}
1185
6b75a9d8 1186static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1da177e4 1187{
6b75a9d8 1188 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1189
1190 chip->ichd[ICHD_PCMOUT].substream = NULL;
1191 return 0;
1192}
1193
6b75a9d8 1194static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1da177e4 1195{
6b75a9d8 1196 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1197
1198 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1199}
1200
6b75a9d8 1201static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1da177e4 1202{
6b75a9d8 1203 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1204
1205 chip->ichd[ICHD_PCMIN].substream = NULL;
1206 return 0;
1207}
1208
6b75a9d8 1209static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1da177e4 1210{
6b75a9d8 1211 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1212
1213 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1214}
1215
6b75a9d8 1216static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1da177e4 1217{
6b75a9d8 1218 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1219
1220 chip->ichd[ICHD_MIC].substream = NULL;
1221 return 0;
1222}
1223
6b75a9d8 1224static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1da177e4 1225{
6b75a9d8 1226 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1227
1228 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1229}
1230
6b75a9d8 1231static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1da177e4 1232{
6b75a9d8 1233 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1234
1235 chip->ichd[ICHD_MIC2].substream = NULL;
1236 return 0;
1237}
1238
6b75a9d8 1239static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1da177e4 1240{
6b75a9d8 1241 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1242
1243 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1244}
1245
6b75a9d8 1246static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1da177e4 1247{
6b75a9d8 1248 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1249
1250 chip->ichd[ICHD_PCM2IN].substream = NULL;
1251 return 0;
1252}
1253
6b75a9d8 1254static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1da177e4 1255{
6b75a9d8 1256 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1257 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1258
1259 return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1260}
1261
6b75a9d8 1262static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1da177e4 1263{
6b75a9d8 1264 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1265 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1266
1267 chip->ichd[idx].substream = NULL;
1268 return 0;
1269}
1270
6b75a9d8 1271static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1da177e4 1272{
6b75a9d8 1273 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1274 unsigned int val;
1275
1276 spin_lock_irq(&chip->reg_lock);
1277 val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1278 val |= ICH_ALI_IF_AC97SP;
1279 iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1280 /* also needs to set ALI_SC_CODEC_SPDF correctly */
1281 spin_unlock_irq(&chip->reg_lock);
1282
1283 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1284}
1285
6b75a9d8 1286static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1da177e4 1287{
6b75a9d8 1288 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1289 unsigned int val;
1290
1291 chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1292 spin_lock_irq(&chip->reg_lock);
1293 val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1294 val &= ~ICH_ALI_IF_AC97SP;
1295 iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1296 spin_unlock_irq(&chip->reg_lock);
1297
1298 return 0;
1299}
1300
6b75a9d8 1301static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1da177e4 1302{
6b75a9d8 1303 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1304
1305 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1306}
1307
6b75a9d8 1308static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1da177e4 1309{
6b75a9d8 1310 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1311
1312 chip->ichd[ALID_SPDIFIN].substream = NULL;
1313 return 0;
1314}
1315
1316#if 0 // NYI
6b75a9d8 1317static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1da177e4 1318{
6b75a9d8 1319 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1320
1321 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1322}
1323
6b75a9d8 1324static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1da177e4 1325{
6b75a9d8 1326 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 1327
1328 chip->ichd[ALID_SPDIFOUT].substream = NULL;
1329 return 0;
1330}
1331#endif
1332
6b75a9d8 1333static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1da177e4
LT		 1334 .open = snd_intel8x0_playback_open,
1335 .close = snd_intel8x0_playback_close,
1336 .ioctl = snd_pcm_lib_ioctl,
1337 .hw_params = snd_intel8x0_hw_params,
1338 .hw_free = snd_intel8x0_hw_free,
1339 .prepare = snd_intel8x0_pcm_prepare,
1340 .trigger = snd_intel8x0_pcm_trigger,
1341 .pointer = snd_intel8x0_pcm_pointer,
1342};
1343
6b75a9d8 1344static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1da177e4
LT		 1345 .open = snd_intel8x0_capture_open,
1346 .close = snd_intel8x0_capture_close,
1347 .ioctl = snd_pcm_lib_ioctl,
1348 .hw_params = snd_intel8x0_hw_params,
1349 .hw_free = snd_intel8x0_hw_free,
1350 .prepare = snd_intel8x0_pcm_prepare,
1351 .trigger = snd_intel8x0_pcm_trigger,
1352 .pointer = snd_intel8x0_pcm_pointer,
1353};
1354
6b75a9d8 1355static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1da177e4
LT		 1356 .open = snd_intel8x0_mic_open,
1357 .close = snd_intel8x0_mic_close,
1358 .ioctl = snd_pcm_lib_ioctl,
1359 .hw_params = snd_intel8x0_hw_params,
1360 .hw_free = snd_intel8x0_hw_free,
1361 .prepare = snd_intel8x0_pcm_prepare,
1362 .trigger = snd_intel8x0_pcm_trigger,
1363 .pointer = snd_intel8x0_pcm_pointer,
1364};
1365
6b75a9d8 1366static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1da177e4
LT		 1367 .open = snd_intel8x0_mic2_open,
1368 .close = snd_intel8x0_mic2_close,
1369 .ioctl = snd_pcm_lib_ioctl,
1370 .hw_params = snd_intel8x0_hw_params,
1371 .hw_free = snd_intel8x0_hw_free,
1372 .prepare = snd_intel8x0_pcm_prepare,
1373 .trigger = snd_intel8x0_pcm_trigger,
1374 .pointer = snd_intel8x0_pcm_pointer,
1375};
1376
6b75a9d8 1377static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1da177e4
LT		 1378 .open = snd_intel8x0_capture2_open,
1379 .close = snd_intel8x0_capture2_close,
1380 .ioctl = snd_pcm_lib_ioctl,
1381 .hw_params = snd_intel8x0_hw_params,
1382 .hw_free = snd_intel8x0_hw_free,
1383 .prepare = snd_intel8x0_pcm_prepare,
1384 .trigger = snd_intel8x0_pcm_trigger,
1385 .pointer = snd_intel8x0_pcm_pointer,
1386};
1387
6b75a9d8 1388static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1da177e4
LT		 1389 .open = snd_intel8x0_spdif_open,
1390 .close = snd_intel8x0_spdif_close,
1391 .ioctl = snd_pcm_lib_ioctl,
1392 .hw_params = snd_intel8x0_hw_params,
1393 .hw_free = snd_intel8x0_hw_free,
1394 .prepare = snd_intel8x0_pcm_prepare,
1395 .trigger = snd_intel8x0_pcm_trigger,
1396 .pointer = snd_intel8x0_pcm_pointer,
1397};
1398
6b75a9d8 1399static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1da177e4
LT		 1400 .open = snd_intel8x0_playback_open,
1401 .close = snd_intel8x0_playback_close,
1402 .ioctl = snd_pcm_lib_ioctl,
1403 .hw_params = snd_intel8x0_hw_params,
1404 .hw_free = snd_intel8x0_hw_free,
1405 .prepare = snd_intel8x0_pcm_prepare,
1406 .trigger = snd_intel8x0_ali_trigger,
1407 .pointer = snd_intel8x0_pcm_pointer,
1408};
1409
6b75a9d8 1410static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1da177e4
LT		 1411 .open = snd_intel8x0_capture_open,
1412 .close = snd_intel8x0_capture_close,
1413 .ioctl = snd_pcm_lib_ioctl,
1414 .hw_params = snd_intel8x0_hw_params,
1415 .hw_free = snd_intel8x0_hw_free,
1416 .prepare = snd_intel8x0_pcm_prepare,
1417 .trigger = snd_intel8x0_ali_trigger,
1418 .pointer = snd_intel8x0_pcm_pointer,
1419};
1420
6b75a9d8 1421static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1da177e4
LT		 1422 .open = snd_intel8x0_mic_open,
1423 .close = snd_intel8x0_mic_close,
1424 .ioctl = snd_pcm_lib_ioctl,
1425 .hw_params = snd_intel8x0_hw_params,
1426 .hw_free = snd_intel8x0_hw_free,
1427 .prepare = snd_intel8x0_pcm_prepare,
1428 .trigger = snd_intel8x0_ali_trigger,
1429 .pointer = snd_intel8x0_pcm_pointer,
1430};
1431
6b75a9d8 1432static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1da177e4
LT		 1433 .open = snd_intel8x0_ali_ac97spdifout_open,
1434 .close = snd_intel8x0_ali_ac97spdifout_close,
1435 .ioctl = snd_pcm_lib_ioctl,
1436 .hw_params = snd_intel8x0_hw_params,
1437 .hw_free = snd_intel8x0_hw_free,
1438 .prepare = snd_intel8x0_pcm_prepare,
1439 .trigger = snd_intel8x0_ali_trigger,
1440 .pointer = snd_intel8x0_pcm_pointer,
1441};
1442
6b75a9d8 1443static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1da177e4
LT		 1444 .open = snd_intel8x0_ali_spdifin_open,
1445 .close = snd_intel8x0_ali_spdifin_close,
1446 .ioctl = snd_pcm_lib_ioctl,
1447 .hw_params = snd_intel8x0_hw_params,
1448 .hw_free = snd_intel8x0_hw_free,
1449 .prepare = snd_intel8x0_pcm_prepare,
1450 .trigger = snd_intel8x0_pcm_trigger,
1451 .pointer = snd_intel8x0_pcm_pointer,
1452};
1453
1454#if 0 // NYI
6b75a9d8 1455static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1da177e4
LT		 1456 .open = snd_intel8x0_ali_spdifout_open,
1457 .close = snd_intel8x0_ali_spdifout_close,
1458 .ioctl = snd_pcm_lib_ioctl,
1459 .hw_params = snd_intel8x0_hw_params,
1460 .hw_free = snd_intel8x0_hw_free,
1461 .prepare = snd_intel8x0_pcm_prepare,
1462 .trigger = snd_intel8x0_pcm_trigger,
1463 .pointer = snd_intel8x0_pcm_pointer,
1464};
1465#endif // NYI
1466
1467struct ich_pcm_table {
1468 char *suffix;
6b75a9d8
TI		 1469 struct snd_pcm_ops *playback_ops;
1470 struct snd_pcm_ops *capture_ops;
1da177e4
LT		 1471 size_t prealloc_size;
1472 size_t prealloc_max_size;
1473 int ac97_idx;
1474};
1475
6b75a9d8
TI		 1476static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1477 struct ich_pcm_table *rec)
1da177e4 1478{
6b75a9d8 1479 struct snd_pcm *pcm;
1da177e4
LT		 1480 int err;
1481 char name[32];
1482
1483 if (rec->suffix)
1484 sprintf(name, "Intel ICH - %s", rec->suffix);
1485 else
1486 strcpy(name, "Intel ICH");
1487 err = snd_pcm_new(chip->card, name, device,
1488 rec->playback_ops ? 1 : 0,
1489 rec->capture_ops ? 1 : 0, &pcm);
1490 if (err < 0)
1491 return err;
1492
1493 if (rec->playback_ops)
1494 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1495 if (rec->capture_ops)
1496 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1497
1498 pcm->private_data = chip;
1499 pcm->info_flags = 0;
1500 if (rec->suffix)
1501 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1502 else
1503 strcpy(pcm->name, chip->card->shortname);
1504 chip->pcm[device] = pcm;
1505
6b75a9d8
TI		 1506 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1507 snd_dma_pci_data(chip->pci),
1da177e4
LT		 1508 rec->prealloc_size, rec->prealloc_max_size);
1509
1510 return 0;
1511}
1512
1513static struct ich_pcm_table intel_pcms[] __devinitdata = {
1514 {
1515 .playback_ops = &snd_intel8x0_playback_ops,
1516 .capture_ops = &snd_intel8x0_capture_ops,
1517 .prealloc_size = 64 * 1024,
1518 .prealloc_max_size = 128 * 1024,
1519 },
1520 {
1521 .suffix = "MIC ADC",
1522 .capture_ops = &snd_intel8x0_capture_mic_ops,
1523 .prealloc_size = 0,
1524 .prealloc_max_size = 128 * 1024,
1525 .ac97_idx = ICHD_MIC,
1526 },
1527 {
1528 .suffix = "MIC2 ADC",
1529 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1530 .prealloc_size = 0,
1531 .prealloc_max_size = 128 * 1024,
1532 .ac97_idx = ICHD_MIC2,
1533 },
1534 {
1535 .suffix = "ADC2",
1536 .capture_ops = &snd_intel8x0_capture2_ops,
1537 .prealloc_size = 0,
1538 .prealloc_max_size = 128 * 1024,
1539 .ac97_idx = ICHD_PCM2IN,
1540 },
1541 {
1542 .suffix = "IEC958",
1543 .playback_ops = &snd_intel8x0_spdif_ops,
1544 .prealloc_size = 64 * 1024,
1545 .prealloc_max_size = 128 * 1024,
1546 .ac97_idx = ICHD_SPBAR,
1547 },
1548};
1549
1550static struct ich_pcm_table nforce_pcms[] __devinitdata = {
1551 {
1552 .playback_ops = &snd_intel8x0_playback_ops,
1553 .capture_ops = &snd_intel8x0_capture_ops,
1554 .prealloc_size = 64 * 1024,
1555 .prealloc_max_size = 128 * 1024,
1556 },
1557 {
1558 .suffix = "MIC ADC",
1559 .capture_ops = &snd_intel8x0_capture_mic_ops,
1560 .prealloc_size = 0,
1561 .prealloc_max_size = 128 * 1024,
1562 .ac97_idx = NVD_MIC,
1563 },
1564 {
1565 .suffix = "IEC958",
1566 .playback_ops = &snd_intel8x0_spdif_ops,
1567 .prealloc_size = 64 * 1024,
1568 .prealloc_max_size = 128 * 1024,
1569 .ac97_idx = NVD_SPBAR,
1570 },
1571};
1572
1573static struct ich_pcm_table ali_pcms[] __devinitdata = {
1574 {
1575 .playback_ops = &snd_intel8x0_ali_playback_ops,
1576 .capture_ops = &snd_intel8x0_ali_capture_ops,
1577 .prealloc_size = 64 * 1024,
1578 .prealloc_max_size = 128 * 1024,
1579 },
1580 {
1581 .suffix = "MIC ADC",
1582 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1583 .prealloc_size = 0,
1584 .prealloc_max_size = 128 * 1024,
1585 .ac97_idx = ALID_MIC,
1586 },
1587 {
1588 .suffix = "IEC958",
1589 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1590 .capture_ops = &snd_intel8x0_ali_spdifin_ops,
1591 .prealloc_size = 64 * 1024,
1592 .prealloc_max_size = 128 * 1024,
1593 .ac97_idx = ALID_AC97SPDIFOUT,
1594 },
1595#if 0 // NYI
1596 {
1597 .suffix = "HW IEC958",
1598 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1599 .prealloc_size = 64 * 1024,
1600 .prealloc_max_size = 128 * 1024,
1601 },
1602#endif
1603};
1604
6b75a9d8 1605static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip)
1da177e4
LT		 1606{
1607 int i, tblsize, device, err;
1608 struct ich_pcm_table *tbl, *rec;
1609
1610 switch (chip->device_type) {
1611 case DEVICE_INTEL_ICH4:
1612 tbl = intel_pcms;
1613 tblsize = ARRAY_SIZE(intel_pcms);
1614 break;
1615 case DEVICE_NFORCE:
1616 tbl = nforce_pcms;
1617 tblsize = ARRAY_SIZE(nforce_pcms);
1618 break;
1619 case DEVICE_ALI:
1620 tbl = ali_pcms;
1621 tblsize = ARRAY_SIZE(ali_pcms);
1622 break;
1623 default:
1624 tbl = intel_pcms;
1625 tblsize = 2;
1626 break;
1627 }
1628
1629 device = 0;
1630 for (i = 0; i < tblsize; i++) {
1631 rec = tbl + i;
1632 if (i > 0 && rec->ac97_idx) {
1633 /* activate PCM only when associated AC'97 codec */
1634 if (! chip->ichd[rec->ac97_idx].pcm)
1635 continue;
1636 }
1637 err = snd_intel8x0_pcm1(chip, device, rec);
1638 if (err < 0)
1639 return err;
1640 device++;
1641 }
1642
1643 chip->pcm_devs = device;
1644 return 0;
1645}
1646
1647
1648/*
1649 * Mixer part
1650 */
1651
6b75a9d8 1652static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1da177e4 1653{
6b75a9d8 1654 struct intel8x0 *chip = bus->private_data;
1da177e4
LT		 1655 chip->ac97_bus = NULL;
1656}
1657
6b75a9d8 1658static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1da177e4 1659{
6b75a9d8 1660 struct intel8x0 *chip = ac97->private_data;
1da177e4
LT		 1661 chip->ac97[ac97->num] = NULL;
1662}
1663
1664static struct ac97_pcm ac97_pcm_defs[] __devinitdata = {
1665 /* front PCM */
1666 {
1667 .exclusive = 1,
1668 .r = { {
1669 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1670 (1 << AC97_SLOT_PCM_RIGHT) |
1671 (1 << AC97_SLOT_PCM_CENTER) |
1672 (1 << AC97_SLOT_PCM_SLEFT) |
1673 (1 << AC97_SLOT_PCM_SRIGHT) |
1674 (1 << AC97_SLOT_LFE)
1675 },
1676 {
1677 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1678 (1 << AC97_SLOT_PCM_RIGHT) |
1679 (1 << AC97_SLOT_PCM_LEFT_0) |
1680 (1 << AC97_SLOT_PCM_RIGHT_0)
1681 }
1682 }
1683 },
1684 /* PCM IN #1 */
1685 {
1686 .stream = 1,
1687 .exclusive = 1,
1688 .r = { {
1689 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1690 (1 << AC97_SLOT_PCM_RIGHT)
1691 }
1692 }
1693 },
1694 /* MIC IN #1 */
1695 {
1696 .stream = 1,
1697 .exclusive = 1,
1698 .r = { {
1699 .slots = (1 << AC97_SLOT_MIC)
1700 }
1701 }
1702 },
1703 /* S/PDIF PCM */
1704 {
1705 .exclusive = 1,
1706 .spdif = 1,
1707 .r = { {
1708 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1709 (1 << AC97_SLOT_SPDIF_RIGHT2)
1710 }
1711 }
1712 },
1713 /* PCM IN #2 */
1714 {
1715 .stream = 1,
1716 .exclusive = 1,
1717 .r = { {
1718 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1719 (1 << AC97_SLOT_PCM_RIGHT)
1720 }
1721 }
1722 },
1723 /* MIC IN #2 */
1724 {
1725 .stream = 1,
1726 .exclusive = 1,
1727 .r = { {
1728 .slots = (1 << AC97_SLOT_MIC)
1729 }
1730 }
1731 },
1732};
1733
1734static struct ac97_quirk ac97_quirks[] __devinitdata = {
1735 {
6fd8b87f
JCD		 1736 .subvendor = 0x0e11,
1737 .subdevice = 0x008a,
1da177e4
LT		 1738 .name = "Compaq Evo W4000", /* AD1885 */
1739 .type = AC97_TUNE_HP_ONLY
1740 },
1741 {
6fd8b87f
JCD		 1742 .subvendor = 0x0e11,
1743 .subdevice = 0x00b8,
1da177e4
LT		 1744 .name = "Compaq Evo D510C",
1745 .type = AC97_TUNE_HP_ONLY
1746 },
1747 {
6fd8b87f
JCD		 1748 .subvendor = 0x0e11,
1749 .subdevice = 0x0860,
1da177e4
LT		 1750 .name = "HP/Compaq nx7010",
1751 .type = AC97_TUNE_MUTE_LED
1752 },
1753 {
6fd8b87f
JCD		 1754 .subvendor = 0x1014,
1755 .subdevice = 0x1f00,
1da177e4
LT		 1756 .name = "MS-9128",
1757 .type = AC97_TUNE_ALC_JACK
1758 },
5d529390
TI		 1759 {
1760 .subvendor = 0x1014,
1761 .subdevice = 0x0267,
1762 .name = "IBM NetVista A30p", /* AD1981B */
1763 .type = AC97_TUNE_HP_ONLY
1764 },
72c8986c
DS		 1765 {
1766 .subvendor = 0x1025,
1767 .subdevice = 0x0083,
1768 .name = "Acer Aspire 3003LCi",
1769 .type = AC97_TUNE_HP_ONLY
1770 },
1da177e4 1771 {
6fd8b87f
JCD		 1772 .subvendor = 0x1028,
1773 .subdevice = 0x00d8,
1da177e4
LT		 1774 .name = "Dell Precision 530", /* AD1885 */
1775 .type = AC97_TUNE_HP_ONLY
1776 },
1777 {
6fd8b87f
JCD		 1778 .subvendor = 0x1028,
1779 .subdevice = 0x010d,
1da177e4
LT		 1780 .name = "Dell", /* which model? AD1885 */
1781 .type = AC97_TUNE_HP_ONLY
1782 },
1783 {
6fd8b87f
JCD		 1784 .subvendor = 0x1028,
1785 .subdevice = 0x0126,
1da177e4
LT		 1786 .name = "Dell Optiplex GX260", /* AD1981A */
1787 .type = AC97_TUNE_HP_ONLY
1788 },
1789 {
6fd8b87f
JCD		 1790 .subvendor = 0x1028,
1791 .subdevice = 0x012c,
1da177e4
LT		 1792 .name = "Dell Precision 650", /* AD1981A */
1793 .type = AC97_TUNE_HP_ONLY
1794 },
1795 {
6fd8b87f
JCD		 1796 .subvendor = 0x1028,
1797 .subdevice = 0x012d,
1da177e4
LT		 1798 .name = "Dell Precision 450", /* AD1981B*/
1799 .type = AC97_TUNE_HP_ONLY
1800 },
1801 {
6fd8b87f
JCD		 1802 .subvendor = 0x1028,
1803 .subdevice = 0x0147,
1da177e4
LT		 1804 .name = "Dell", /* which model? AD1981B*/
1805 .type = AC97_TUNE_HP_ONLY
1806 },
c9fe51c4
CB		 1807 {
1808 .subvendor = 0x1028,
1809 .subdevice = 0x0151,
1810 .name = "Dell Optiplex GX270", /* AD1981B */
1811 .type = AC97_TUNE_HP_ONLY
1812 },
1da177e4 1813 {
6fd8b87f
JCD		 1814 .subvendor = 0x1028,
1815 .subdevice = 0x0163,
1da177e4
LT		 1816 .name = "Dell Unknown", /* STAC9750/51 */
1817 .type = AC97_TUNE_HP_ONLY
1818 },
6d6f9156
KL		 1819 {
1820 .subvendor = 0x1028,
1821 .subdevice = 0x0191,
1822 .name = "Dell Inspiron 8600",
1823 .type = AC97_TUNE_HP_ONLY
1824 },
1da177e4 1825 {
6fd8b87f
JCD		 1826 .subvendor = 0x103c,
1827 .subdevice = 0x006d,
1da177e4
LT		 1828 .name = "HP zv5000",
1829 .type = AC97_TUNE_MUTE_LED /*AD1981B*/
1830 },
1831 { /* FIXME: which codec? */
6fd8b87f
JCD		 1832 .subvendor = 0x103c,
1833 .subdevice = 0x00c3,
1da177e4
LT		 1834 .name = "HP xw6000",
1835 .type = AC97_TUNE_HP_ONLY
1836 },
1837 {
6fd8b87f
JCD		 1838 .subvendor = 0x103c,
1839 .subdevice = 0x088c,
1da177e4
LT		 1840 .name = "HP nc8000",
1841 .type = AC97_TUNE_MUTE_LED
1842 },
1843 {
6fd8b87f
JCD		 1844 .subvendor = 0x103c,
1845 .subdevice = 0x0890,
1da177e4
LT		 1846 .name = "HP nc6000",
1847 .type = AC97_TUNE_MUTE_LED
1848 },
e0c93cf3
DH		 1849 {
1850 .subvendor = 0x103c,
1851 .subdevice = 0x0934,
1852 .name = "HP nx8220",
1853 .type = AC97_TUNE_MUTE_LED
1854 },
1da177e4 1855 {
6fd8b87f
JCD		 1856 .subvendor = 0x103c,
1857 .subdevice = 0x129d,
1da177e4
LT		 1858 .name = "HP xw8000",
1859 .type = AC97_TUNE_HP_ONLY
1860 },
a0faefed
MG		 1861 {
1862 .subvendor = 0x103c,
1863 .subdevice = 0x0938,
1864 .name = "HP nc4200",
1865 .type = AC97_TUNE_HP_MUTE_LED
1866 },
1867 {
1868 .subvendor = 0x103c,
1869 .subdevice = 0x099c,
d82ed2ff 1870 .name = "HP nx6110/nc6120",
a0faefed
MG		 1871 .type = AC97_TUNE_HP_MUTE_LED
1872 },
1873 {
1874 .subvendor = 0x103c,
1875 .subdevice = 0x0944,
1876 .name = "HP nc6220",
1877 .type = AC97_TUNE_HP_MUTE_LED
1878 },
1879 {
1880 .subvendor = 0x103c,
1881 .subdevice = 0x0934,
1882 .name = "HP nc8220",
1883 .type = AC97_TUNE_HP_MUTE_LED
1884 },
1da177e4 1885 {
6fd8b87f
JCD		 1886 .subvendor = 0x103c,
1887 .subdevice = 0x12f1,
1da177e4
LT		 1888 .name = "HP xw8200", /* AD1981B*/
1889 .type = AC97_TUNE_HP_ONLY
1890 },
1891 {
6fd8b87f
JCD		 1892 .subvendor = 0x103c,
1893 .subdevice = 0x12f2,
1da177e4
LT		 1894 .name = "HP xw6200",
1895 .type = AC97_TUNE_HP_ONLY
1896 },
1897 {
6fd8b87f
JCD		 1898 .subvendor = 0x103c,
1899 .subdevice = 0x3008,
1da177e4
LT		 1900 .name = "HP xw4200", /* AD1981B*/
1901 .type = AC97_TUNE_HP_ONLY
1902 },
1903 {
6fd8b87f
JCD		 1904 .subvendor = 0x104d,
1905 .subdevice = 0x8197,
1da177e4
LT		 1906 .name = "Sony S1XP",
1907 .type = AC97_TUNE_INV_EAPD
1908 },
1909 {
6fd8b87f
JCD		 1910 .subvendor = 0x1043,
1911 .subdevice = 0x80f3,
1da177e4
LT		 1912 .name = "ASUS ICH5/AD1985",
1913 .type = AC97_TUNE_AD_SHARING
1914 },
1915 {
6fd8b87f
JCD		 1916 .subvendor = 0x10cf,
1917 .subdevice = 0x11c3,
1da177e4
LT		 1918 .name = "Fujitsu-Siemens E4010",
1919 .type = AC97_TUNE_HP_ONLY
1920 },
98c7f212
TI		 1921 {
1922 .subvendor = 0x10cf,
1923 .subdevice = 0x1225,
1924 .name = "Fujitsu-Siemens T3010",
1925 .type = AC97_TUNE_HP_ONLY
1926 },
1da177e4 1927 {
6fd8b87f
JCD		 1928 .subvendor = 0x10cf,
1929 .subdevice = 0x1253,
1da177e4
LT		 1930 .name = "Fujitsu S6210", /* STAC9750/51 */
1931 .type = AC97_TUNE_HP_ONLY
1932 },
9970dce5
TI		 1933 {
1934 .subvendor = 0x10cf,
1935 .subdevice = 0x12ec,
1936 .name = "Fujitsu-Siemens 4010",
1937 .type = AC97_TUNE_HP_ONLY
1938 },
2eb061f4
JK		 1939 {
1940 .subvendor = 0x10cf,
1941 .subdevice = 0x12f2,
1942 .name = "Fujitsu-Siemens Celsius H320",
1943 .type = AC97_TUNE_SWAP_HP
1944 },
1da177e4 1945 {
6fd8b87f
JCD		 1946 .subvendor = 0x10f1,
1947 .subdevice = 0x2665,
1da177e4
LT		 1948 .name = "Fujitsu-Siemens Celsius", /* AD1981? */
1949 .type = AC97_TUNE_HP_ONLY
1950 },
1951 {
6fd8b87f
JCD		 1952 .subvendor = 0x10f1,
1953 .subdevice = 0x2885,
1da177e4
LT		 1954 .name = "AMD64 Mobo", /* ALC650 */
1955 .type = AC97_TUNE_HP_ONLY
1956 },
1957 {
6fd8b87f
JCD		 1958 .subvendor = 0x110a,
1959 .subdevice = 0x0056,
1da177e4
LT		 1960 .name = "Fujitsu-Siemens Scenic", /* AD1981? */
1961 .type = AC97_TUNE_HP_ONLY
1962 },
1963 {
6fd8b87f
JCD		 1964 .subvendor = 0x11d4,
1965 .subdevice = 0x5375,
1da177e4
LT		 1966 .name = "ADI AD1985 (discrete)",
1967 .type = AC97_TUNE_HP_ONLY
1968 },
1969 {
6fd8b87f
JCD		 1970 .subvendor = 0x1462,
1971 .subdevice = 0x5470,
1da177e4
LT		 1972 .name = "MSI P4 ATX 645 Ultra",
1973 .type = AC97_TUNE_HP_ONLY
1974 },
1975 {
6fd8b87f
JCD		 1976 .subvendor = 0x1734,
1977 .subdevice = 0x0088,
1da177e4
LT		 1978 .name = "Fujitsu-Siemens D1522", /* AD1981 */
1979 .type = AC97_TUNE_HP_ONLY
1980 },
1981 {
6fd8b87f
JCD		 1982 .subvendor = 0x8086,
1983 .subdevice = 0x2000,
1da177e4
LT		 1984 .mask = 0xfff0,
1985 .name = "Intel ICH5/AD1985",
1986 .type = AC97_TUNE_AD_SHARING
1987 },
1988 {
6fd8b87f
JCD		 1989 .subvendor = 0x8086,
1990 .subdevice = 0x4000,
1da177e4
LT		 1991 .mask = 0xfff0,
1992 .name = "Intel ICH5/AD1985",
1993 .type = AC97_TUNE_AD_SHARING
1994 },
1995 {
6fd8b87f
JCD		 1996 .subvendor = 0x8086,
1997 .subdevice = 0x4856,
1da177e4
LT		 1998 .name = "Intel D845WN (82801BA)",
1999 .type = AC97_TUNE_SWAP_HP
2000 },
2001 {
6fd8b87f
JCD		 2002 .subvendor = 0x8086,
2003 .subdevice = 0x4d44,
1da177e4
LT		 2004 .name = "Intel D850EMV2", /* AD1885 */
2005 .type = AC97_TUNE_HP_ONLY
2006 },
2007 {
6fd8b87f
JCD		 2008 .subvendor = 0x8086,
2009 .subdevice = 0x4d56,
1da177e4
LT		 2010 .name = "Intel ICH/AD1885",
2011 .type = AC97_TUNE_HP_ONLY
2012 },
2013 {
6fd8b87f
JCD		 2014 .subvendor = 0x8086,
2015 .subdevice = 0x6000,
1da177e4
LT		 2016 .mask = 0xfff0,
2017 .name = "Intel ICH5/AD1985",
2018 .type = AC97_TUNE_AD_SHARING
2019 },
2020 {
6fd8b87f
JCD		 2021 .subvendor = 0x8086,
2022 .subdevice = 0xe000,
1da177e4
LT		 2023 .mask = 0xfff0,
2024 .name = "Intel ICH5/AD1985",
2025 .type = AC97_TUNE_AD_SHARING
2026 },
2027#if 0 /* FIXME: this seems wrong on most boards */
2028 {
6fd8b87f
JCD		 2029 .subvendor = 0x8086,
2030 .subdevice = 0xa000,
1da177e4
LT		 2031 .mask = 0xfff0,
2032 .name = "Intel ICH5/AD1985",
2033 .type = AC97_TUNE_HP_ONLY
2034 },
2035#endif
2036 { } /* terminator */
2037};
2038
6b75a9d8
TI		 2039static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2040 const char *quirk_override)
1da177e4 2041{
6b75a9d8
TI		 2042 struct snd_ac97_bus *pbus;
2043 struct snd_ac97_template ac97;
1da177e4
LT		 2044 int err;
2045 unsigned int i, codecs;
2046 unsigned int glob_sta = 0;
6b75a9d8
TI		 2047 struct snd_ac97_bus_ops *ops;
2048 static struct snd_ac97_bus_ops standard_bus_ops = {
1da177e4
LT		 2049 .write = snd_intel8x0_codec_write,
2050 .read = snd_intel8x0_codec_read,
2051 };
6b75a9d8 2052 static struct snd_ac97_bus_ops ali_bus_ops = {
1da177e4
LT		 2053 .write = snd_intel8x0_ali_codec_write,
2054 .read = snd_intel8x0_ali_codec_read,
2055 };
2056
2057 chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2058 switch (chip->device_type) {
2059 case DEVICE_NFORCE:
2060 chip->spdif_idx = NVD_SPBAR;
2061 break;
2062 case DEVICE_ALI:
2063 chip->spdif_idx = ALID_AC97SPDIFOUT;
2064 break;
2065 case DEVICE_INTEL_ICH4:
2066 chip->spdif_idx = ICHD_SPBAR;
2067 break;
2068 };
2069
2070 chip->in_ac97_init = 1;
2071
2072 memset(&ac97, 0, sizeof(ac97));
2073 ac97.private_data = chip;
2074 ac97.private_free = snd_intel8x0_mixer_free_ac97;
2075 ac97.scaps = AC97_SCAP_SKIP_MODEM;
2076 if (chip->xbox)
2077 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2078 if (chip->device_type != DEVICE_ALI) {
2079 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2080 ops = &standard_bus_ops;
2081 if (chip->device_type == DEVICE_INTEL_ICH4) {
2082 codecs = 0;
2083 if (glob_sta & ICH_PCR)
2084 codecs++;
2085 if (glob_sta & ICH_SCR)
2086 codecs++;
2087 if (glob_sta & ICH_TCR)
2088 codecs++;
2089 chip->in_sdin_init = 1;
2090 for (i = 0; i < codecs; i++) {
2091 snd_intel8x0_codec_read_test(chip, i);
2092 chip->ac97_sdin[i] = igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2093 }
2094 chip->in_sdin_init = 0;
2095 } else {
2096 codecs = glob_sta & ICH_SCR ? 2 : 1;
2097 }
2098 } else {
2099 ops = &ali_bus_ops;
2100 codecs = 1;
2101 /* detect the secondary codec */
2102 for (i = 0; i < 100; i++) {
2103 unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2104 if (reg & 0x40) {
2105 codecs = 2;
2106 break;
2107 }
2108 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2109 udelay(1);
2110 }
2111 }
2112 if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2113 goto __err;
2114 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
1da177e4
LT		 2115 if (ac97_clock >= 8000 && ac97_clock <= 48000)
2116 pbus->clock = ac97_clock;
2117 /* FIXME: my test board doesn't work well with VRA... */
2118 if (chip->device_type == DEVICE_ALI)
2119 pbus->no_vra = 1;
2120 else
2121 pbus->dra = 1;
2122 chip->ac97_bus = pbus;
2123
2124 ac97.pci = chip->pci;
2125 for (i = 0; i < codecs; i++) {
2126 ac97.num = i;
2127 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2128 if (err != -EACCES)
2129 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i);
2130 if (i == 0)
2131 goto __err;
2132 continue;
2133 }
2134 }
2135 /* tune up the primary codec */
2136 snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2137 /* enable separate SDINs for ICH4 */
2138 if (chip->device_type == DEVICE_INTEL_ICH4)
2139 pbus->isdin = 1;
2140 /* find the available PCM streams */
2141 i = ARRAY_SIZE(ac97_pcm_defs);
2142 if (chip->device_type != DEVICE_INTEL_ICH4)
2143 i -= 2; /* do not allocate PCM2IN and MIC2 */
2144 if (chip->spdif_idx < 0)
2145 i--; /* do not allocate S/PDIF */
2146 err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2147 if (err < 0)
2148 goto __err;
2149 chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2150 chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2151 chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2152 if (chip->spdif_idx >= 0)
2153 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2154 if (chip->device_type == DEVICE_INTEL_ICH4) {
2155 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2156 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2157 }
2158 /* enable separate SDINs for ICH4 */
2159 if (chip->device_type == DEVICE_INTEL_ICH4) {
2160 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2161 u8 tmp = igetbyte(chip, ICHREG(SDM));
2162 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2163 if (pcm) {
2164 tmp |= ICH_SE; /* steer enable for multiple SDINs */
2165 tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2166 for (i = 1; i < 4; i++) {
2167 if (pcm->r[0].codec[i]) {
2168 tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2169 break;
2170 }
2171 }
2172 } else {
2173 tmp &= ~ICH_SE; /* steer disable */
2174 }
2175 iputbyte(chip, ICHREG(SDM), tmp);
2176 }
2177 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2178 chip->multi4 = 1;
2179 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE))
2180 chip->multi6 = 1;
2181 }
2182 if (pbus->pcms[0].r[1].rslots[0]) {
2183 chip->dra = 1;
2184 }
2185 if (chip->device_type == DEVICE_INTEL_ICH4) {
2186 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2187 chip->smp20bit = 1;
2188 }
2189 if (chip->device_type == DEVICE_NFORCE) {
2190 /* 48kHz only */
2191 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2192 }
2193 if (chip->device_type == DEVICE_INTEL_ICH4) {
2194 /* use slot 10/11 for SPDIF */
2195 u32 val;
2196 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2197 val |= ICH_PCM_SPDIF_1011;
2198 iputdword(chip, ICHREG(GLOB_CNT), val);
2199 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2200 }
2201 chip->in_ac97_init = 0;
2202 return 0;
2203
2204 __err:
2205 /* clear the cold-reset bit for the next chance */
2206 if (chip->device_type != DEVICE_ALI)
6b75a9d8
TI		 2207 iputdword(chip, ICHREG(GLOB_CNT),
2208 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
1da177e4
LT		 2209 return err;
2210}
2211
2212
2213/*
2214 *
2215 */
2216
6b75a9d8 2217static void do_ali_reset(struct intel8x0 *chip)
1da177e4
LT		 2218{
2219 iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2220 iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2221 iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2222 iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2223 iputdword(chip, ICHREG(ALI_INTERFACECR),
d78bec21 2224 ICH_ALI_IF_PI|ICH_ALI_IF_PO);
1da177e4
LT		 2225 iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2226 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2227}
2228
6b75a9d8 2229static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
1da177e4
LT		 2230{
2231 unsigned long end_time;
2232 unsigned int cnt, status, nstatus;
2233
2234 /* put logic to right state */
2235 /* first clear status bits */
2236 status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2237 if (chip->device_type == DEVICE_NFORCE)
2238 status |= ICH_NVSPINT;
2239 cnt = igetdword(chip, ICHREG(GLOB_STA));
2240 iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2241
2242 /* ACLink on, 2 channels */
2243 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2244 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2245 /* finish cold or do warm reset */
2246 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2247 iputdword(chip, ICHREG(GLOB_CNT), cnt);
2248 end_time = (jiffies + (HZ / 4)) + 1;
2249 do {
2250 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2251 goto __ok;
954bea35 2252 schedule_timeout_uninterruptible(1);
1da177e4 2253 } while (time_after_eq(end_time, jiffies));
6b75a9d8
TI		 2254 snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
2255 igetdword(chip, ICHREG(GLOB_CNT)));
1da177e4
LT		 2256 return -EIO;
2257
2258 __ok:
2259 if (probing) {
2260 /* wait for any codec ready status.
2261 * Once it becomes ready it should remain ready
2262 * as long as we do not disable the ac97 link.
2263 */
2264 end_time = jiffies + HZ;
2265 do {
6b75a9d8
TI		 2266 status = igetdword(chip, ICHREG(GLOB_STA)) &
2267 (ICH_PCR | ICH_SCR | ICH_TCR);
1da177e4
LT		 2268 if (status)
2269 break;
954bea35 2270 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2271 } while (time_after_eq(end_time, jiffies));
2272 if (! status) {
2273 /* no codec is found */
6b75a9d8
TI		 2274 snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
2275 igetdword(chip, ICHREG(GLOB_STA)));
1da177e4
LT		 2276 return -EIO;
2277 }
2278
2279 if (chip->device_type == DEVICE_INTEL_ICH4)
2280 /* ICH4 can have three codecs */
2281 nstatus = ICH_PCR | ICH_SCR | ICH_TCR;
2282 else
2283 /* others up to two codecs */
2284 nstatus = ICH_PCR | ICH_SCR;
2285
2286 /* wait for other codecs ready status. */
2287 end_time = jiffies + HZ / 4;
2288 while (status != nstatus && time_after_eq(end_time, jiffies)) {
954bea35 2289 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2290 status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus;
2291 }
2292
2293 } else {
2294 /* resume phase */
2295 int i;
2296 status = 0;
2297 for (i = 0; i < 3; i++)
2298 if (chip->ac97[i])
2299 status |= get_ich_codec_bit(chip, i);
2300 /* wait until all the probed codecs are ready */
2301 end_time = jiffies + HZ;
2302 do {
6b75a9d8
TI		 2303 nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2304 (ICH_PCR | ICH_SCR | ICH_TCR);
1da177e4
LT		 2305 if (status == nstatus)
2306 break;
954bea35 2307 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2308 } while (time_after_eq(end_time, jiffies));
2309 }
2310
2311 if (chip->device_type == DEVICE_SIS) {
2312 /* unmute the output on SIS7012 */
2313 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2314 }
2315 if (chip->device_type == DEVICE_NFORCE) {
2316 /* enable SPDIF interrupt */
2317 unsigned int val;
2318 pci_read_config_dword(chip->pci, 0x4c, &val);
2319 val |= 0x1000000;
2320 pci_write_config_dword(chip->pci, 0x4c, val);
2321 }
2322 return 0;
2323}
2324
6b75a9d8 2325static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
1da177e4
LT		 2326{
2327 u32 reg;
2328 int i = 0;
2329
2330 reg = igetdword(chip, ICHREG(ALI_SCR));
2331 if ((reg & 2) == 0) /* Cold required */
2332 reg |= 2;
2333 else
2334 reg |= 1; /* Warm */
2335 reg &= ~0x80000000; /* ACLink on */
2336 iputdword(chip, ICHREG(ALI_SCR), reg);
2337
2338 for (i = 0; i < HZ / 2; i++) {
2339 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2340 goto __ok;
954bea35 2341 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2342 }
2343 snd_printk(KERN_ERR "AC'97 reset failed.\n");
2344 if (probing)
2345 return -EIO;
2346
2347 __ok:
2348 for (i = 0; i < HZ / 2; i++) {
2349 reg = igetdword(chip, ICHREG(ALI_RTSR));
2350 if (reg & 0x80) /* primary codec */
2351 break;
2352 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
954bea35 2353 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2354 }
2355
2356 do_ali_reset(chip);
2357 return 0;
2358}
2359
6b75a9d8 2360static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
1da177e4
LT		 2361{
2362 unsigned int i;
2363 int err;
2364
2365 if (chip->device_type != DEVICE_ALI) {
2366 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2367 return err;
2368 iagetword(chip, 0); /* clear semaphore flag */
2369 } else {
2370 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2371 return err;
2372 }
2373
2374 /* disable interrupts */
2375 for (i = 0; i < chip->bdbars_count; i++)
2376 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2377 /* reset channels */
2378 for (i = 0; i < chip->bdbars_count; i++)
2379 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2380 /* initialize Buffer Descriptor Lists */
2381 for (i = 0; i < chip->bdbars_count; i++)
6b75a9d8
TI		 2382 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2383 chip->ichd[i].bdbar_addr);
1da177e4
LT		 2384 return 0;
2385}
2386
6b75a9d8 2387static int snd_intel8x0_free(struct intel8x0 *chip)
1da177e4
LT		 2388{
2389 unsigned int i;
2390
2391 if (chip->irq < 0)
2392 goto __hw_end;
2393 /* disable interrupts */
2394 for (i = 0; i < chip->bdbars_count; i++)
2395 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2396 /* reset channels */
2397 for (i = 0; i < chip->bdbars_count; i++)
2398 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2399 if (chip->device_type == DEVICE_NFORCE) {
2400 /* stop the spdif interrupt */
2401 unsigned int val;
2402 pci_read_config_dword(chip->pci, 0x4c, &val);
2403 val &= ~0x1000000;
2404 pci_write_config_dword(chip->pci, 0x4c, val);
2405 }
2406 /* --- */
2407 synchronize_irq(chip->irq);
2408 __hw_end:
2409 if (chip->irq >= 0)
6b75a9d8 2410 free_irq(chip->irq, chip);
1da177e4
LT		 2411 if (chip->bdbars.area) {
2412 if (chip->fix_nocache)
2413 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2414 snd_dma_free_pages(&chip->bdbars);
2415 }
2416 if (chip->remap_addr)
2417 iounmap(chip->remap_addr);
2418 if (chip->remap_bmaddr)
2419 iounmap(chip->remap_bmaddr);
2420 pci_release_regions(chip->pci);
2421 pci_disable_device(chip->pci);
2422 kfree(chip);
2423 return 0;
2424}
2425
2426#ifdef CONFIG_PM
2427/*
2428 * power management
2429 */
5809c6c4 2430static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
1da177e4 2431{
5809c6c4
TI		 2432 struct snd_card *card = pci_get_drvdata(pci);
2433 struct intel8x0 *chip = card->private_data;
1da177e4
LT		 2434 int i;
2435
5809c6c4 2436 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1da177e4
LT		 2437 for (i = 0; i < chip->pcm_devs; i++)
2438 snd_pcm_suspend_all(chip->pcm[i]);
2439 /* clear nocache */
2440 if (chip->fix_nocache) {
2441 for (i = 0; i < chip->bdbars_count; i++) {
6b75a9d8 2442 struct ichdev *ichdev = &chip->ichd[i];
1da177e4 2443 if (ichdev->substream && ichdev->page_attr_changed) {
6b75a9d8 2444 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
1da177e4
LT		 2445 if (runtime->dma_area)
2446 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2447 }
2448 }
2449 }
2450 for (i = 0; i < 3; i++)
5809c6c4 2451 snd_ac97_suspend(chip->ac97[i]);
52b72388
TI		 2452 if (chip->device_type == DEVICE_INTEL_ICH4)
2453 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
adbedd34 2454
90158b83 2455 if (chip->irq >= 0)
6b75a9d8 2456 free_irq(chip->irq, chip);
5809c6c4
TI		 2457 pci_disable_device(pci);
2458 pci_save_state(pci);
1da177e4
LT		 2459 return 0;
2460}
2461
5809c6c4 2462static int intel8x0_resume(struct pci_dev *pci)
1da177e4 2463{
5809c6c4
TI		 2464 struct snd_card *card = pci_get_drvdata(pci);
2465 struct intel8x0 *chip = card->private_data;
1da177e4
LT		 2466 int i;
2467
5809c6c4
TI		 2468 pci_restore_state(pci);
2469 pci_enable_device(pci);
2470 pci_set_master(pci);
2471 request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
6b75a9d8 2472 card->shortname, chip);
5809c6c4 2473 chip->irq = pci->irq;
90158b83
RW		 2474 synchronize_irq(chip->irq);
2475 snd_intel8x0_chip_init(chip, 1);
1da177e4 2476
52b72388
TI		 2477 /* re-initialize mixer stuff */
2478 if (chip->device_type == DEVICE_INTEL_ICH4) {
2479 /* enable separate SDINs for ICH4 */
2480 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2481 /* use slot 10/11 for SPDIF */
2482 iputdword(chip, ICHREG(GLOB_CNT),
2483 (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2484 ICH_PCM_SPDIF_1011);
2485 }
2486
1da177e4
LT		 2487 /* refill nocache */
2488 if (chip->fix_nocache)
2489 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2490
2491 for (i = 0; i < 3; i++)
5809c6c4 2492 snd_ac97_resume(chip->ac97[i]);
1da177e4
LT		 2493
2494 /* refill nocache */
2495 if (chip->fix_nocache) {
2496 for (i = 0; i < chip->bdbars_count; i++) {
6b75a9d8 2497 struct ichdev *ichdev = &chip->ichd[i];
1da177e4 2498 if (ichdev->substream && ichdev->page_attr_changed) {
6b75a9d8 2499 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
1da177e4
LT		 2500 if (runtime->dma_area)
2501 fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2502 }
2503 }
2504 }
2505
1cfe43d2
TI		 2506 /* resume status */
2507 for (i = 0; i < chip->bdbars_count; i++) {
6b75a9d8 2508 struct ichdev *ichdev = &chip->ichd[i];
1cfe43d2
TI		 2509 unsigned long port = ichdev->reg_offset;
2510 if (! ichdev->substream || ! ichdev->suspended)
2511 continue;
2512 if (ichdev->ichd == ICHD_PCMOUT)
2513 snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2514 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2515 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2516 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2517 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2518 }
2519
5809c6c4 2520 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1da177e4
LT		 2521 return 0;
2522}
2523#endif /* CONFIG_PM */
2524
2525#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */
2526
6b75a9d8 2527static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
1da177e4 2528{
6b75a9d8
TI		 2529 struct snd_pcm_substream *subs;
2530 struct ichdev *ichdev;
1da177e4
LT		 2531 unsigned long port;
2532 unsigned long pos, t;
2533 struct timeval start_time, stop_time;
2534
2535 if (chip->ac97_bus->clock != 48000)
2536 return; /* specified in module option */
2537
2538 subs = chip->pcm[0]->streams[0].substream;
2539 if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
99b359ba 2540 snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
1da177e4
LT		 2541 return;
2542 }
2543 ichdev = &chip->ichd[ICHD_PCMOUT];
2544 ichdev->physbuf = subs->dma_buffer.addr;
2545 ichdev->size = chip->ichd[ICHD_PCMOUT].fragsize = INTEL8X0_TESTBUF_SIZE;
2546 ichdev->substream = NULL; /* don't process interrupts */
2547
2548 /* set rate */
2549 if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2550 snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock);
2551 return;
2552 }
2553 snd_intel8x0_setup_periods(chip, ichdev);
2554 port = ichdev->reg_offset;
2555 spin_lock_irq(&chip->reg_lock);
2556 chip->in_measurement = 1;
2557 /* trigger */
2558 if (chip->device_type != DEVICE_ALI)
2559 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2560 else {
2561 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2562 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2563 }
2564 do_gettimeofday(&start_time);
2565 spin_unlock_irq(&chip->reg_lock);
ef21ca24 2566 msleep(50);
1da177e4
LT		 2567 spin_lock_irq(&chip->reg_lock);
2568 /* check the position */
2569 pos = ichdev->fragsize1;
2570 pos -= igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << ichdev->pos_shift;
2571 pos += ichdev->position;
2572 chip->in_measurement = 0;
2573 do_gettimeofday(&stop_time);
2574 /* stop */
2575 if (chip->device_type == DEVICE_ALI) {
d78bec21 2576 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
1da177e4
LT		 2577 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2578 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2579 ;
2580 } else {
2581 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2582 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2583 ;
2584 }
2585 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2586 spin_unlock_irq(&chip->reg_lock);
2587
2588 t = stop_time.tv_sec - start_time.tv_sec;
2589 t *= 1000000;
2590 t += stop_time.tv_usec - start_time.tv_usec;
2591 printk(KERN_INFO "%s: measured %lu usecs\n", __FUNCTION__, t);
2592 if (t == 0) {
2593 snd_printk(KERN_ERR "?? calculation error..\n");
2594 return;
2595 }
2596 pos = (pos / 4) * 1000;
2597 pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2598 if (pos < 40000 || pos >= 60000)
2599 /* abnormal value. hw problem? */
2600 printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
2601 else if (pos < 47500 || pos > 48500)
2602 /* not 48000Hz, tuning the clock.. */
2603 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2604 printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
2605}
2606
adf1b3d2 2607#ifdef CONFIG_PROC_FS
6b75a9d8
TI		 2608static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2609 struct snd_info_buffer *buffer)
1da177e4 2610{
6b75a9d8 2611 struct intel8x0 *chip = entry->private_data;
1da177e4
LT		 2612 unsigned int tmp;
2613
2614 snd_iprintf(buffer, "Intel8x0\n\n");
2615 if (chip->device_type == DEVICE_ALI)
2616 return;
2617 tmp = igetdword(chip, ICHREG(GLOB_STA));
2618 snd_iprintf(buffer, "Global control : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2619 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp);
2620 if (chip->device_type == DEVICE_INTEL_ICH4)
2621 snd_iprintf(buffer, "SDM : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2622 snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n",
2623 tmp & ICH_PCR ? " primary" : "",
2624 tmp & ICH_SCR ? " secondary" : "",
2625 tmp & ICH_TCR ? " tertiary" : "",
2626 (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : "");
2627 if (chip->device_type == DEVICE_INTEL_ICH4)
2628 snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n",
2629 chip->ac97_sdin[0],
2630 chip->ac97_sdin[1],
2631 chip->ac97_sdin[2]);
2632}
2633
6b75a9d8 2634static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip)
1da177e4 2635{
6b75a9d8 2636 struct snd_info_entry *entry;
1da177e4
LT		 2637
2638 if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2639 snd_info_set_text_ops(entry, chip, 1024, snd_intel8x0_proc_read);
2640}
adf1b3d2
TI		 2641#else
2642#define snd_intel8x0_proc_init(x)
2643#endif
1da177e4 2644
6b75a9d8 2645static int snd_intel8x0_dev_free(struct snd_device *device)
1da177e4 2646{
6b75a9d8 2647 struct intel8x0 *chip = device->device_data;
1da177e4
LT		 2648 return snd_intel8x0_free(chip);
2649}
2650
2651struct ich_reg_info {
2652 unsigned int int_sta_mask;
2653 unsigned int offset;
2654};
2655
6b75a9d8 2656static int __devinit snd_intel8x0_create(struct snd_card *card,
1da177e4
LT		 2657 struct pci_dev *pci,
2658 unsigned long device_type,
6b75a9d8 2659 struct intel8x0 ** r_intel8x0)
1da177e4 2660{
6b75a9d8 2661 struct intel8x0 *chip;
1da177e4
LT		 2662 int err;
2663 unsigned int i;
2664 unsigned int int_sta_masks;
6b75a9d8
TI		 2665 struct ichdev *ichdev;
2666 static struct snd_device_ops ops = {
1da177e4
LT		 2667 .dev_free = snd_intel8x0_dev_free,
2668 };
2669
2670 static unsigned int bdbars[] = {
2671 3, /* DEVICE_INTEL */
2672 6, /* DEVICE_INTEL_ICH4 */
2673 3, /* DEVICE_SIS */
2674 6, /* DEVICE_ALI */
2675 4, /* DEVICE_NFORCE */
2676 };
2677 static struct ich_reg_info intel_regs[6] = {
2678 { ICH_PIINT, 0 },
2679 { ICH_POINT, 0x10 },
2680 { ICH_MCINT, 0x20 },
2681 { ICH_M2INT, 0x40 },
2682 { ICH_P2INT, 0x50 },
2683 { ICH_SPINT, 0x60 },
2684 };
2685 static struct ich_reg_info nforce_regs[4] = {
2686 { ICH_PIINT, 0 },
2687 { ICH_POINT, 0x10 },
2688 { ICH_MCINT, 0x20 },
2689 { ICH_NVSPINT, 0x70 },
2690 };
2691 static struct ich_reg_info ali_regs[6] = {
2692 { ALI_INT_PCMIN, 0x40 },
2693 { ALI_INT_PCMOUT, 0x50 },
2694 { ALI_INT_MICIN, 0x60 },
2695 { ALI_INT_CODECSPDIFOUT, 0x70 },
2696 { ALI_INT_SPDIFIN, 0xa0 },
2697 { ALI_INT_SPDIFOUT, 0xb0 },
2698 };
2699 struct ich_reg_info *tbl;
2700
2701 *r_intel8x0 = NULL;
2702
2703 if ((err = pci_enable_device(pci)) < 0)
2704 return err;
2705
e560d8d8 2706 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1da177e4
LT		 2707 if (chip == NULL) {
2708 pci_disable_device(pci);
2709 return -ENOMEM;
2710 }
2711 spin_lock_init(&chip->reg_lock);
2712 chip->device_type = device_type;
2713 chip->card = card;
2714 chip->pci = pci;
2715 chip->irq = -1;
c829b052
TI		 2716
2717 /* module parameters */
2718 chip->buggy_irq = buggy_irq;
2719 chip->buggy_semaphore = buggy_semaphore;
2720 if (xbox)
2721 chip->xbox = 1;
1da177e4
LT		 2722
2723 if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2724 pci->device == PCI_DEVICE_ID_INTEL_440MX)
2725 chip->fix_nocache = 1; /* enable workaround */
2726
1da177e4
LT		 2727 if ((err = pci_request_regions(pci, card->shortname)) < 0) {
2728 kfree(chip);
2729 pci_disable_device(pci);
2730 return err;
2731 }
2732
2733 if (device_type == DEVICE_ALI) {
2734 /* ALI5455 has no ac97 region */
2735 chip->bmaddr = pci_resource_start(pci, 0);
2736 goto port_inited;
2737 }
2738
2739 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) { /* ICH4 and Nforce */
2740 chip->mmio = 1;
2741 chip->addr = pci_resource_start(pci, 2);
2742 chip->remap_addr = ioremap_nocache(chip->addr,
2743 pci_resource_len(pci, 2));
2744 if (chip->remap_addr == NULL) {
99b359ba 2745 snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
1da177e4
LT		 2746 snd_intel8x0_free(chip);
2747 return -EIO;
2748 }
2749 } else {
2750 chip->addr = pci_resource_start(pci, 0);
2751 }
2752 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) { /* ICH4 */
2753 chip->bm_mmio = 1;
2754 chip->bmaddr = pci_resource_start(pci, 3);
2755 chip->remap_bmaddr = ioremap_nocache(chip->bmaddr,
2756 pci_resource_len(pci, 3));
2757 if (chip->remap_bmaddr == NULL) {
99b359ba 2758 snd_printk(KERN_ERR "Controller space ioremap problem\n");
1da177e4
LT		 2759 snd_intel8x0_free(chip);
2760 return -EIO;
2761 }
2762 } else {
2763 chip->bmaddr = pci_resource_start(pci, 1);
2764 }
2765
2766 port_inited:
1da177e4
LT		 2767 chip->bdbars_count = bdbars[device_type];
2768
2769 /* initialize offsets */
2770 switch (device_type) {
2771 case DEVICE_NFORCE:
2772 tbl = nforce_regs;
2773 break;
2774 case DEVICE_ALI:
2775 tbl = ali_regs;
2776 break;
2777 default:
2778 tbl = intel_regs;
2779 break;
2780 }
2781 for (i = 0; i < chip->bdbars_count; i++) {
2782 ichdev = &chip->ichd[i];
2783 ichdev->ichd = i;
2784 ichdev->reg_offset = tbl[i].offset;
2785 ichdev->int_sta_mask = tbl[i].int_sta_mask;
2786 if (device_type == DEVICE_SIS) {
2787 /* SiS 7012 swaps the registers */
2788 ichdev->roff_sr = ICH_REG_OFF_PICB;
2789 ichdev->roff_picb = ICH_REG_OFF_SR;
2790 } else {
2791 ichdev->roff_sr = ICH_REG_OFF_SR;
2792 ichdev->roff_picb = ICH_REG_OFF_PICB;
2793 }
2794 if (device_type == DEVICE_ALI)
2795 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
2796 /* SIS7012 handles the pcm data in bytes, others are in samples */
2797 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
2798 }
2799
2800 /* allocate buffer descriptor lists */
2801 /* the start of each lists must be aligned to 8 bytes */
2802 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2803 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
2804 &chip->bdbars) < 0) {
2805 snd_intel8x0_free(chip);
2806 snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n");
2807 return -ENOMEM;
2808 }
2809 /* tables must be aligned to 8 bytes here, but the kernel pages
2810 are much bigger, so we don't care (on i386) */
2811 /* workaround for 440MX */
2812 if (chip->fix_nocache)
2813 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2814 int_sta_masks = 0;
2815 for (i = 0; i < chip->bdbars_count; i++) {
2816 ichdev = &chip->ichd[i];
beef08a5
TI		 2817 ichdev->bdbar = ((u32 *)chip->bdbars.area) +
2818 (i * ICH_MAX_FRAGS * 2);
2819 ichdev->bdbar_addr = chip->bdbars.addr +
2820 (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
1da177e4
LT		 2821 int_sta_masks |= ichdev->int_sta_mask;
2822 }
beef08a5
TI		 2823 chip->int_sta_reg = device_type == DEVICE_ALI ?
2824 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
1da177e4
LT		 2825 chip->int_sta_mask = int_sta_masks;
2826
beef08a5
TI		 2827 /* request irq after initializaing int_sta_mask, etc */
2828 if (request_irq(pci->irq, snd_intel8x0_interrupt,
6b75a9d8 2829 SA_INTERRUPT|SA_SHIRQ, card->shortname, chip)) {
beef08a5
TI		 2830 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2831 snd_intel8x0_free(chip);
2832 return -EBUSY;
2833 }
2834 chip->irq = pci->irq;
2835 pci_set_master(pci);
2836 synchronize_irq(chip->irq);
2837
1da177e4
LT		 2838 if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
2839 snd_intel8x0_free(chip);
2840 return err;
2841 }
2842
1da177e4
LT		 2843 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2844 snd_intel8x0_free(chip);
2845 return err;
2846 }
2847
2848 snd_card_set_dev(card, &pci->dev);
2849
2850 *r_intel8x0 = chip;
2851 return 0;
2852}
2853
2854static struct shortname_table {
2855 unsigned int id;
2856 const char *s;
2857} shortnames[] __devinitdata = {
8cdfd251
TI		 2858 { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
2859 { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
2860 { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
1da177e4 2861 { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
8cdfd251
TI		 2862 { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
2863 { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
2864 { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
1da177e4
LT		 2865 { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
2866 { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
2867 { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3437c5df 2868 { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
1da177e4 2869 { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
8cdfd251 2870 { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
1da177e4
LT		 2871 { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
2872 { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
2873 { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
2874 { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
2875 { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
2876 { 0x003a, "NVidia MCP04" },
2877 { 0x746d, "AMD AMD8111" },
2878 { 0x7445, "AMD AMD768" },
2879 { 0x5455, "ALi M5455" },
2880 { 0, NULL },
2881};
2882
2883static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
2884 const struct pci_device_id *pci_id)
2885{
6b75a9d8
TI		 2886 struct snd_card *card;
2887 struct intel8x0 *chip;
1da177e4
LT		 2888 int err;
2889 struct shortname_table *name;
2890
b7fe4622 2891 card = snd_card_new(index, id, THIS_MODULE, 0);
1da177e4
LT		 2892 if (card == NULL)
2893 return -ENOMEM;
2894
2895 switch (pci_id->driver_data) {
2896 case DEVICE_NFORCE:
2897 strcpy(card->driver, "NFORCE");
2898 break;
2899 case DEVICE_INTEL_ICH4:
2900 strcpy(card->driver, "ICH4");
2901 break;
2902 default:
2903 strcpy(card->driver, "ICH");
2904 break;
2905 }
2906
2907 strcpy(card->shortname, "Intel ICH");
2908 for (name = shortnames; name->id; name++) {
2909 if (pci->device == name->id) {
2910 strcpy(card->shortname, name->s);
2911 break;
2912 }
2913 }
2914
beef08a5
TI		 2915 if (buggy_irq < 0) {
2916 /* some Nforce[2] and ICH boards have problems with IRQ handling.
2917 * Needs to return IRQ_HANDLED for unknown irqs.
2918 */
2919 if (pci_id->driver_data == DEVICE_NFORCE)
2920 buggy_irq = 1;
2921 else
2922 buggy_irq = 0;
2923 }
2924
a06147d2 2925 if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
c829b052 2926 &chip)) < 0) {
1da177e4
LT		 2927 snd_card_free(card);
2928 return err;
2929 }
5809c6c4 2930 card->private_data = chip;
1da177e4 2931
b7fe4622 2932 if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
1da177e4
LT		 2933 snd_card_free(card);
2934 return err;
2935 }
2936 if ((err = snd_intel8x0_pcm(chip)) < 0) {
2937 snd_card_free(card);
2938 return err;
2939 }
2940
2941 snd_intel8x0_proc_init(chip);
2942
2943 snprintf(card->longname, sizeof(card->longname),
2944 "%s with %s at %#lx, irq %i", card->shortname,
2945 snd_ac97_get_short_name(chip->ac97[0]), chip->addr, chip->irq);
2946
b7fe4622 2947 if (! ac97_clock)
1da177e4
LT		 2948 intel8x0_measure_ac97_clock(chip);
2949
2950 if ((err = snd_card_register(card)) < 0) {
2951 snd_card_free(card);
2952 return err;
2953 }
2954 pci_set_drvdata(pci, card);
1da177e4
LT		 2955 return 0;
2956}
2957
2958static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
2959{
2960 snd_card_free(pci_get_drvdata(pci));
2961 pci_set_drvdata(pci, NULL);
2962}
2963
2964static struct pci_driver driver = {
2965 .name = "Intel ICH",
2966 .id_table = snd_intel8x0_ids,
2967 .probe = snd_intel8x0_probe,
2968 .remove = __devexit_p(snd_intel8x0_remove),
5809c6c4
TI		 2969#ifdef CONFIG_PM
2970 .suspend = intel8x0_suspend,
2971 .resume = intel8x0_resume,
2972#endif
1da177e4
LT		 2973};
2974
2975
2976static int __init alsa_card_intel8x0_init(void)
2977{
01d25d46 2978 return pci_register_driver(&driver);
1da177e4
LT		 2979}
2980
2981static void __exit alsa_card_intel8x0_exit(void)
2982{
2983 pci_unregister_driver(&driver);
2984}
2985
2986module_init(alsa_card_intel8x0_init)
2987module_exit(alsa_card_intel8x0_exit)
Linux 6.x block layer and io_uring tree(s)