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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * ALSA driver for Intel ICH (i8x0) chipsets
4 *
5 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
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 */
13
14#include <linux/io.h>
15#include <linux/delay.h>
16#include <linux/interrupt.h>
17#include <linux/init.h>
18#include <linux/pci.h>
19#include <linux/slab.h>
20#include <linux/module.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/ac97_codec.h>
24#include <sound/info.h>
25#include <sound/initval.h>
26
27MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
28MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
29MODULE_LICENSE("GPL");
30MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
31 "{Intel,82901AB-ICH0},"
32 "{Intel,82801BA-ICH2},"
33 "{Intel,82801CA-ICH3},"
34 "{Intel,82801DB-ICH4},"
35 "{Intel,ICH5},"
36 "{Intel,ICH6},"
37 "{Intel,ICH7},"
38 "{Intel,6300ESB},"
39 "{Intel,ESB2},"
40 "{Intel,MX440},"
41 "{SiS,SI7012},"
42 "{NVidia,nForce Audio},"
43 "{NVidia,nForce2 Audio},"
44 "{NVidia,nForce3 Audio},"
45 "{NVidia,MCP04},"
46 "{NVidia,MCP501},"
47 "{NVidia,CK804},"
48 "{NVidia,CK8},"
49 "{NVidia,CK8S},"
50 "{AMD,AMD768},"
51 "{AMD,AMD8111},"
52 "{ALI,M5455}}");
53
54static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
55static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
56static int ac97_clock;
57static char *ac97_quirk;
58static bool buggy_semaphore;
59static int buggy_irq = -1; /* auto-check */
60static bool xbox;
61static int spdif_aclink = -1;
62static int inside_vm = -1;
63
64module_param(index, int, 0444);
65MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
66module_param(id, charp, 0444);
67MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
68module_param(ac97_clock, int, 0444);
69MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
70module_param(ac97_quirk, charp, 0444);
71MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
72module_param(buggy_semaphore, bool, 0444);
73MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
74module_param(buggy_irq, bint, 0444);
75MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
76module_param(xbox, bool, 0444);
77MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
78module_param(spdif_aclink, int, 0444);
79MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
80module_param(inside_vm, bint, 0444);
81MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization.");
82
83/* just for backward compatibility */
84static bool enable;
85module_param(enable, bool, 0444);
86static int joystick;
87module_param(joystick, int, 0444);
88
89/*
90 * Direct registers
91 */
92enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
93
94#define ICHREG(x) ICH_REG_##x
95
96#define DEFINE_REGSET(name,base) \
97enum { \
98 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \
99 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \
100 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \
101 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \
102 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \
103 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \
104 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \
105};
106
107/* busmaster blocks */
108DEFINE_REGSET(OFF, 0); /* offset */
109DEFINE_REGSET(PI, 0x00); /* PCM in */
110DEFINE_REGSET(PO, 0x10); /* PCM out */
111DEFINE_REGSET(MC, 0x20); /* Mic in */
112
113/* ICH4 busmaster blocks */
114DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */
115DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */
116DEFINE_REGSET(SP, 0x60); /* SPDIF out */
117
118/* values for each busmaster block */
119
120/* LVI */
121#define ICH_REG_LVI_MASK 0x1f
122
123/* SR */
124#define ICH_FIFOE 0x10 /* FIFO error */
125#define ICH_BCIS 0x08 /* buffer completion interrupt status */
126#define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */
127#define ICH_CELV 0x02 /* current equals last valid */
128#define ICH_DCH 0x01 /* DMA controller halted */
129
130/* PIV */
131#define ICH_REG_PIV_MASK 0x1f /* mask */
132
133/* CR */
134#define ICH_IOCE 0x10 /* interrupt on completion enable */
135#define ICH_FEIE 0x08 /* fifo error interrupt enable */
136#define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */
137#define ICH_RESETREGS 0x02 /* reset busmaster registers */
138#define ICH_STARTBM 0x01 /* start busmaster operation */
139
140
141/* global block */
142#define ICH_REG_GLOB_CNT 0x2c /* dword - global control */
143#define ICH_PCM_SPDIF_MASK 0xc0000000 /* s/pdif pcm slot mask (ICH4) */
144#define ICH_PCM_SPDIF_NONE 0x00000000 /* reserved - undefined */
145#define ICH_PCM_SPDIF_78 0x40000000 /* s/pdif pcm on slots 7&8 */
146#define ICH_PCM_SPDIF_69 0x80000000 /* s/pdif pcm on slots 6&9 */
147#define ICH_PCM_SPDIF_1011 0xc0000000 /* s/pdif pcm on slots 10&11 */
148#define ICH_PCM_20BIT 0x00400000 /* 20-bit samples (ICH4) */
149#define ICH_PCM_246_MASK 0x00300000 /* chan mask (not all chips) */
150#define ICH_PCM_8 0x00300000 /* 8 channels (not all chips) */
151#define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */
152#define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */
153#define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */
154#define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */
155#define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */
156#define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */
157#define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */
158#define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */
159#define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */
160#define ICH_PRIE 0x00000010 /* primary resume interrupt enable */
161#define ICH_ACLINK 0x00000008 /* AClink shut off */
162#define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */
163#define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */
164#define ICH_GIE 0x00000001 /* GPI interrupt enable */
165#define ICH_REG_GLOB_STA 0x30 /* dword - global status */
166#define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */
167#define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */
168#define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */
169#define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */
170#define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */
171#define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */
172#define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */
173#define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */
174#define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */
175#define ICH_SIS_TRI 0x00080000 /* SIS: tertiary resume irq */
176#define ICH_SIS_TCR 0x00040000 /* SIS: tertiary codec ready */
177#define ICH_MD3 0x00020000 /* modem power down semaphore */
178#define ICH_AD3 0x00010000 /* audio power down semaphore */
179#define ICH_RCS 0x00008000 /* read completion status */
180#define ICH_BIT3 0x00004000 /* bit 3 slot 12 */
181#define ICH_BIT2 0x00002000 /* bit 2 slot 12 */
182#define ICH_BIT1 0x00001000 /* bit 1 slot 12 */
183#define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */
184#define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */
185#define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */
186#define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */
187#define ICH_MCINT 0x00000080 /* MIC capture interrupt */
188#define ICH_POINT 0x00000040 /* playback interrupt */
189#define ICH_PIINT 0x00000020 /* capture interrupt */
190#define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */
191#define ICH_MOINT 0x00000004 /* modem playback interrupt */
192#define ICH_MIINT 0x00000002 /* modem capture interrupt */
193#define ICH_GSCI 0x00000001 /* GPI status change interrupt */
194#define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */
195#define ICH_CAS 0x01 /* codec access semaphore */
196#define ICH_REG_SDM 0x80
197#define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */
198#define ICH_DI2L_SHIFT 6
199#define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */
200#define ICH_DI1L_SHIFT 4
201#define ICH_SE 0x00000008 /* steer enable */
202#define ICH_LDI_MASK 0x00000003 /* last codec read data input */
203
204#define ICH_MAX_FRAGS 32 /* max hw frags */
205
206
207/*
208 * registers for Ali5455
209 */
210
211/* ALi 5455 busmaster blocks */
212DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */
213DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */
214DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */
215DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */
216DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */
217DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */
218DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */
219DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */
220DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */
221DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */
222DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */
223
224enum {
225 ICH_REG_ALI_SCR = 0x00, /* System Control Register */
226 ICH_REG_ALI_SSR = 0x04, /* System Status Register */
227 ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */
228 ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */
229 ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
230 ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
231 ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */
232 ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */
233 ICH_REG_ALI_CPR = 0x20, /* Command Port Register */
234 ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */
235 ICH_REG_ALI_SPR = 0x24, /* Status Port Register */
236 ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */
237 ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */
238 ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */
239 ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */
240 ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */
241 ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */
242 ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */
243 ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */
244 ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */
245 ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */
246};
247
248#define ALI_CAS_SEM_BUSY 0x80000000
249#define ALI_CPR_ADDR_SECONDARY 0x100
250#define ALI_CPR_ADDR_READ 0x80
251#define ALI_CSPSR_CODEC_READY 0x08
252#define ALI_CSPSR_READ_OK 0x02
253#define ALI_CSPSR_WRITE_OK 0x01
254
255/* interrupts for the whole chip by interrupt status register finish */
256
257#define ALI_INT_MICIN2 (1<<26)
258#define ALI_INT_PCMIN2 (1<<25)
259#define ALI_INT_I2SIN (1<<24)
260#define ALI_INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */
261#define ALI_INT_SPDIFIN (1<<22)
262#define ALI_INT_LFEOUT (1<<21)
263#define ALI_INT_CENTEROUT (1<<20)
264#define ALI_INT_CODECSPDIFOUT (1<<19)
265#define ALI_INT_MICIN (1<<18)
266#define ALI_INT_PCMOUT (1<<17)
267#define ALI_INT_PCMIN (1<<16)
268#define ALI_INT_CPRAIS (1<<7) /* command port available */
269#define ALI_INT_SPRAIS (1<<5) /* status port available */
270#define ALI_INT_GPIO (1<<1)
271#define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
272 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
273
274#define ICH_ALI_SC_RESET (1<<31) /* master reset */
275#define ICH_ALI_SC_AC97_DBL (1<<30)
276#define ICH_ALI_SC_CODEC_SPDF (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
277#define ICH_ALI_SC_IN_BITS (3<<18)
278#define ICH_ALI_SC_OUT_BITS (3<<16)
279#define ICH_ALI_SC_6CH_CFG (3<<14)
280#define ICH_ALI_SC_PCM_4 (1<<8)
281#define ICH_ALI_SC_PCM_6 (2<<8)
282#define ICH_ALI_SC_PCM_246_MASK (3<<8)
283
284#define ICH_ALI_SS_SEC_ID (3<<5)
285#define ICH_ALI_SS_PRI_ID (3<<3)
286
287#define ICH_ALI_IF_AC97SP (1<<21)
288#define ICH_ALI_IF_MC (1<<20)
289#define ICH_ALI_IF_PI (1<<19)
290#define ICH_ALI_IF_MC2 (1<<18)
291#define ICH_ALI_IF_PI2 (1<<17)
292#define ICH_ALI_IF_LINE_SRC (1<<15) /* 0/1 = slot 3/6 */
293#define ICH_ALI_IF_MIC_SRC (1<<14) /* 0/1 = slot 3/6 */
294#define ICH_ALI_IF_SPDF_SRC (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
295#define ICH_ALI_IF_AC97_OUT (3<<8) /* 00 = PCM, 10 = spdif-in, 11 = i2s */
296#define ICH_ALI_IF_PO_SPDF (1<<3)
297#define ICH_ALI_IF_PO (1<<1)
298
299/*
300 *
301 */
302
303enum {
304 ICHD_PCMIN,
305 ICHD_PCMOUT,
306 ICHD_MIC,
307 ICHD_MIC2,
308 ICHD_PCM2IN,
309 ICHD_SPBAR,
310 ICHD_LAST = ICHD_SPBAR
311};
312enum {
313 NVD_PCMIN,
314 NVD_PCMOUT,
315 NVD_MIC,
316 NVD_SPBAR,
317 NVD_LAST = NVD_SPBAR
318};
319enum {
320 ALID_PCMIN,
321 ALID_PCMOUT,
322 ALID_MIC,
323 ALID_AC97SPDIFOUT,
324 ALID_SPDIFIN,
325 ALID_SPDIFOUT,
326 ALID_LAST = ALID_SPDIFOUT
327};
328
329#define get_ichdev(substream) (substream->runtime->private_data)
330
331struct ichdev {
332 unsigned int ichd; /* ich device number */
333 unsigned long reg_offset; /* offset to bmaddr */
334 __le32 *bdbar; /* CPU address (32bit) */
335 unsigned int bdbar_addr; /* PCI bus address (32bit) */
336 struct snd_pcm_substream *substream;
337 unsigned int physbuf; /* physical address (32bit) */
338 unsigned int size;
339 unsigned int fragsize;
340 unsigned int fragsize1;
341 unsigned int position;
342 unsigned int pos_shift;
343 unsigned int last_pos;
344 int frags;
345 int lvi;
346 int lvi_frag;
347 int civ;
348 int ack;
349 int ack_reload;
350 unsigned int ack_bit;
351 unsigned int roff_sr;
352 unsigned int roff_picb;
353 unsigned int int_sta_mask; /* interrupt status mask */
354 unsigned int ali_slot; /* ALI DMA slot */
355 struct ac97_pcm *pcm;
356 int pcm_open_flag;
357 unsigned int suspended: 1;
358};
359
360struct intel8x0 {
361 unsigned int device_type;
362
363 int irq;
364
365 void __iomem *addr;
366 void __iomem *bmaddr;
367
368 struct pci_dev *pci;
369 struct snd_card *card;
370
371 int pcm_devs;
372 struct snd_pcm *pcm[6];
373 struct ichdev ichd[6];
374
375 unsigned multi4: 1,
376 multi6: 1,
377 multi8 :1,
378 dra: 1,
379 smp20bit: 1;
380 unsigned in_ac97_init: 1,
381 in_sdin_init: 1;
382 unsigned in_measurement: 1; /* during ac97 clock measurement */
383 unsigned fix_nocache: 1; /* workaround for 440MX */
384 unsigned buggy_irq: 1; /* workaround for buggy mobos */
385 unsigned xbox: 1; /* workaround for Xbox AC'97 detection */
386 unsigned buggy_semaphore: 1; /* workaround for buggy codec semaphore */
387 unsigned inside_vm: 1; /* enable VM optimization */
388
389 int spdif_idx; /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
390 unsigned int sdm_saved; /* SDM reg value */
391
392 struct snd_ac97_bus *ac97_bus;
393 struct snd_ac97 *ac97[3];
394 unsigned int ac97_sdin[3];
395 unsigned int max_codecs, ncodecs;
396 unsigned int *codec_bit;
397 unsigned int codec_isr_bits;
398 unsigned int codec_ready_bits;
399
400 spinlock_t reg_lock;
401
402 u32 bdbars_count;
403 struct snd_dma_buffer bdbars;
404 u32 int_sta_reg; /* interrupt status register */
405 u32 int_sta_mask; /* interrupt status mask */
406};
407
408static const struct pci_device_id snd_intel8x0_ids[] = {
409 { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL }, /* 82801AA */
410 { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL }, /* 82901AB */
411 { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL }, /* 82801BA */
412 { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL }, /* ICH3 */
413 { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
414 { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
415 { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
416 { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
417 { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
418 { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
419 { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL }, /* 440MX */
420 { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS }, /* SI7012 */
421 { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE }, /* NFORCE */
422 { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE }, /* MCP04 */
423 { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE }, /* NFORCE2 */
424 { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE }, /* CK804 */
425 { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE }, /* CK8 */
426 { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE }, /* NFORCE3 */
427 { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE }, /* CK8S */
428 { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE }, /* MCP51 */
429 { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL }, /* AMD8111 */
430 { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL }, /* AMD768 */
431 { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI }, /* Ali5455 */
432 { 0, }
433};
434
435MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
436
437/*
438 * Lowlevel I/O - busmaster
439 */
440
441static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
442{
443 return ioread8(chip->bmaddr + offset);
444}
445
446static inline u16 igetword(struct intel8x0 *chip, u32 offset)
447{
448 return ioread16(chip->bmaddr + offset);
449}
450
451static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
452{
453 return ioread32(chip->bmaddr + offset);
454}
455
456static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
457{
458 iowrite8(val, chip->bmaddr + offset);
459}
460
461static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
462{
463 iowrite16(val, chip->bmaddr + offset);
464}
465
466static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
467{
468 iowrite32(val, chip->bmaddr + offset);
469}
470
471/*
472 * Lowlevel I/O - AC'97 registers
473 */
474
475static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
476{
477 return ioread16(chip->addr + offset);
478}
479
480static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
481{
482 iowrite16(val, chip->addr + offset);
483}
484
485/*
486 * Basic I/O
487 */
488
489/*
490 * access to AC97 codec via normal i/o (for ICH and SIS7012)
491 */
492
493static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
494{
495 int time;
496
497 if (codec > 2)
498 return -EIO;
499 if (chip->in_sdin_init) {
500 /* we don't know the ready bit assignment at the moment */
501 /* so we check any */
502 codec = chip->codec_isr_bits;
503 } else {
504 codec = chip->codec_bit[chip->ac97_sdin[codec]];
505 }
506
507 /* codec ready ? */
508 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
509 return -EIO;
510
511 if (chip->buggy_semaphore)
512 return 0; /* just ignore ... */
513
514 /* Anyone holding a semaphore for 1 msec should be shot... */
515 time = 100;
516 do {
517 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
518 return 0;
519 udelay(10);
520 } while (time--);
521
522 /* access to some forbidden (non existent) ac97 registers will not
523 * reset the semaphore. So even if you don't get the semaphore, still
524 * continue the access. We don't need the semaphore anyway. */
525 dev_err(chip->card->dev,
526 "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
527 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
528 iagetword(chip, 0); /* clear semaphore flag */
529 /* I don't care about the semaphore */
530 return -EBUSY;
531}
532
533static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
534 unsigned short reg,
535 unsigned short val)
536{
537 struct intel8x0 *chip = ac97->private_data;
538
539 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
540 if (! chip->in_ac97_init)
541 dev_err(chip->card->dev,
542 "codec_write %d: semaphore is not ready for register 0x%x\n",
543 ac97->num, reg);
544 }
545 iaputword(chip, reg + ac97->num * 0x80, val);
546}
547
548static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
549 unsigned short reg)
550{
551 struct intel8x0 *chip = ac97->private_data;
552 unsigned short res;
553 unsigned int tmp;
554
555 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
556 if (! chip->in_ac97_init)
557 dev_err(chip->card->dev,
558 "codec_read %d: semaphore is not ready for register 0x%x\n",
559 ac97->num, reg);
560 res = 0xffff;
561 } else {
562 res = iagetword(chip, reg + ac97->num * 0x80);
563 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
564 /* reset RCS and preserve other R/WC bits */
565 iputdword(chip, ICHREG(GLOB_STA), tmp &
566 ~(chip->codec_ready_bits | ICH_GSCI));
567 if (! chip->in_ac97_init)
568 dev_err(chip->card->dev,
569 "codec_read %d: read timeout for register 0x%x\n",
570 ac97->num, reg);
571 res = 0xffff;
572 }
573 }
574 return res;
575}
576
577static void snd_intel8x0_codec_read_test(struct intel8x0 *chip,
578 unsigned int codec)
579{
580 unsigned int tmp;
581
582 if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
583 iagetword(chip, codec * 0x80);
584 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
585 /* reset RCS and preserve other R/WC bits */
586 iputdword(chip, ICHREG(GLOB_STA), tmp &
587 ~(chip->codec_ready_bits | ICH_GSCI));
588 }
589 }
590}
591
592/*
593 * access to AC97 for Ali5455
594 */
595static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
596{
597 int count = 0;
598 for (count = 0; count < 0x7f; count++) {
599 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
600 if (val & mask)
601 return 0;
602 }
603 if (! chip->in_ac97_init)
604 dev_warn(chip->card->dev, "AC97 codec ready timeout.\n");
605 return -EBUSY;
606}
607
608static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
609{
610 int time = 100;
611 if (chip->buggy_semaphore)
612 return 0; /* just ignore ... */
613 while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
614 udelay(1);
615 if (! time && ! chip->in_ac97_init)
616 dev_warn(chip->card->dev, "ali_codec_semaphore timeout\n");
617 return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
618}
619
620static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
621{
622 struct intel8x0 *chip = ac97->private_data;
623 unsigned short data = 0xffff;
624
625 if (snd_intel8x0_ali_codec_semaphore(chip))
626 goto __err;
627 reg |= ALI_CPR_ADDR_READ;
628 if (ac97->num)
629 reg |= ALI_CPR_ADDR_SECONDARY;
630 iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
631 if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
632 goto __err;
633 data = igetword(chip, ICHREG(ALI_SPR));
634 __err:
635 return data;
636}
637
638static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
639 unsigned short val)
640{
641 struct intel8x0 *chip = ac97->private_data;
642
643 if (snd_intel8x0_ali_codec_semaphore(chip))
644 return;
645 iputword(chip, ICHREG(ALI_CPR), val);
646 if (ac97->num)
647 reg |= ALI_CPR_ADDR_SECONDARY;
648 iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
649 snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
650}
651
652
653/*
654 * DMA I/O
655 */
656static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
657{
658 int idx;
659 __le32 *bdbar = ichdev->bdbar;
660 unsigned long port = ichdev->reg_offset;
661
662 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
663 if (ichdev->size == ichdev->fragsize) {
664 ichdev->ack_reload = ichdev->ack = 2;
665 ichdev->fragsize1 = ichdev->fragsize >> 1;
666 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
667 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
668 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
669 ichdev->fragsize1 >> ichdev->pos_shift);
670 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
671 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
672 ichdev->fragsize1 >> ichdev->pos_shift);
673 }
674 ichdev->frags = 2;
675 } else {
676 ichdev->ack_reload = ichdev->ack = 1;
677 ichdev->fragsize1 = ichdev->fragsize;
678 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
679 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
680 (((idx >> 1) * ichdev->fragsize) %
681 ichdev->size));
682 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
683 ichdev->fragsize >> ichdev->pos_shift);
684#if 0
685 dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n",
686 idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
687#endif
688 }
689 ichdev->frags = ichdev->size / ichdev->fragsize;
690 }
691 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
692 ichdev->civ = 0;
693 iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
694 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
695 ichdev->position = 0;
696#if 0
697 dev_dbg(chip->card->dev,
698 "lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
699 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
700 ichdev->fragsize1);
701#endif
702 /* clear interrupts */
703 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
704}
705
706/*
707 * Interrupt handler
708 */
709
710static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
711{
712 unsigned long port = ichdev->reg_offset;
713 unsigned long flags;
714 int status, civ, i, step;
715 int ack = 0;
716
717 spin_lock_irqsave(&chip->reg_lock, flags);
718 status = igetbyte(chip, port + ichdev->roff_sr);
719 civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
720 if (!(status & ICH_BCIS)) {
721 step = 0;
722 } else if (civ == ichdev->civ) {
723 // snd_printd("civ same %d\n", civ);
724 step = 1;
725 ichdev->civ++;
726 ichdev->civ &= ICH_REG_LVI_MASK;
727 } else {
728 step = civ - ichdev->civ;
729 if (step < 0)
730 step += ICH_REG_LVI_MASK + 1;
731 // if (step != 1)
732 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
733 ichdev->civ = civ;
734 }
735
736 ichdev->position += step * ichdev->fragsize1;
737 if (! chip->in_measurement)
738 ichdev->position %= ichdev->size;
739 ichdev->lvi += step;
740 ichdev->lvi &= ICH_REG_LVI_MASK;
741 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
742 for (i = 0; i < step; i++) {
743 ichdev->lvi_frag++;
744 ichdev->lvi_frag %= ichdev->frags;
745 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
746#if 0
747 dev_dbg(chip->card->dev,
748 "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
749 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
750 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
751 inl(port + 4), inb(port + ICH_REG_OFF_CR));
752#endif
753 if (--ichdev->ack == 0) {
754 ichdev->ack = ichdev->ack_reload;
755 ack = 1;
756 }
757 }
758 spin_unlock_irqrestore(&chip->reg_lock, flags);
759 if (ack && ichdev->substream) {
760 snd_pcm_period_elapsed(ichdev->substream);
761 }
762 iputbyte(chip, port + ichdev->roff_sr,
763 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
764}
765
766static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
767{
768 struct intel8x0 *chip = dev_id;
769 struct ichdev *ichdev;
770 unsigned int status;
771 unsigned int i;
772
773 status = igetdword(chip, chip->int_sta_reg);
774 if (status == 0xffffffff) /* we are not yet resumed */
775 return IRQ_NONE;
776
777 if ((status & chip->int_sta_mask) == 0) {
778 if (status) {
779 /* ack */
780 iputdword(chip, chip->int_sta_reg, status);
781 if (! chip->buggy_irq)
782 status = 0;
783 }
784 return IRQ_RETVAL(status);
785 }
786
787 for (i = 0; i < chip->bdbars_count; i++) {
788 ichdev = &chip->ichd[i];
789 if (status & ichdev->int_sta_mask)
790 snd_intel8x0_update(chip, ichdev);
791 }
792
793 /* ack them */
794 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
795
796 return IRQ_HANDLED;
797}
798
799/*
800 * PCM part
801 */
802
803static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
804{
805 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
806 struct ichdev *ichdev = get_ichdev(substream);
807 unsigned char val = 0;
808 unsigned long port = ichdev->reg_offset;
809
810 switch (cmd) {
811 case SNDRV_PCM_TRIGGER_RESUME:
812 ichdev->suspended = 0;
813 /* fall through */
814 case SNDRV_PCM_TRIGGER_START:
815 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
816 val = ICH_IOCE | ICH_STARTBM;
817 ichdev->last_pos = ichdev->position;
818 break;
819 case SNDRV_PCM_TRIGGER_SUSPEND:
820 ichdev->suspended = 1;
821 /* fall through */
822 case SNDRV_PCM_TRIGGER_STOP:
823 val = 0;
824 break;
825 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
826 val = ICH_IOCE;
827 break;
828 default:
829 return -EINVAL;
830 }
831 iputbyte(chip, port + ICH_REG_OFF_CR, val);
832 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
833 /* wait until DMA stopped */
834 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
835 /* reset whole DMA things */
836 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
837 }
838 return 0;
839}
840
841static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
842{
843 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
844 struct ichdev *ichdev = get_ichdev(substream);
845 unsigned long port = ichdev->reg_offset;
846 static int fiforeg[] = {
847 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
848 };
849 unsigned int val, fifo;
850
851 val = igetdword(chip, ICHREG(ALI_DMACR));
852 switch (cmd) {
853 case SNDRV_PCM_TRIGGER_RESUME:
854 ichdev->suspended = 0;
855 /* fall through */
856 case SNDRV_PCM_TRIGGER_START:
857 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
858 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
859 /* clear FIFO for synchronization of channels */
860 fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
861 fifo &= ~(0xff << (ichdev->ali_slot % 4));
862 fifo |= 0x83 << (ichdev->ali_slot % 4);
863 iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
864 }
865 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
866 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
867 /* start DMA */
868 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
869 break;
870 case SNDRV_PCM_TRIGGER_SUSPEND:
871 ichdev->suspended = 1;
872 /* fall through */
873 case SNDRV_PCM_TRIGGER_STOP:
874 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
875 /* pause */
876 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
877 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
878 while (igetbyte(chip, port + ICH_REG_OFF_CR))
879 ;
880 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
881 break;
882 /* reset whole DMA things */
883 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
884 /* clear interrupts */
885 iputbyte(chip, port + ICH_REG_OFF_SR,
886 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
887 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
888 igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
889 break;
890 default:
891 return -EINVAL;
892 }
893 return 0;
894}
895
896static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
897 struct snd_pcm_hw_params *hw_params)
898{
899 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
900 struct ichdev *ichdev = get_ichdev(substream);
901 int dbl = params_rate(hw_params) > 48000;
902 int err;
903
904 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
905 if (err < 0)
906 return err;
907 if (ichdev->pcm_open_flag) {
908 snd_ac97_pcm_close(ichdev->pcm);
909 ichdev->pcm_open_flag = 0;
910 }
911 err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
912 params_channels(hw_params),
913 ichdev->pcm->r[dbl].slots);
914 if (err >= 0) {
915 ichdev->pcm_open_flag = 1;
916 /* Force SPDIF setting */
917 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
918 snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
919 params_rate(hw_params));
920 }
921 return err;
922}
923
924static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
925{
926 struct ichdev *ichdev = get_ichdev(substream);
927
928 if (ichdev->pcm_open_flag) {
929 snd_ac97_pcm_close(ichdev->pcm);
930 ichdev->pcm_open_flag = 0;
931 }
932 return snd_pcm_lib_free_pages(substream);
933}
934
935static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
936 struct snd_pcm_runtime *runtime)
937{
938 unsigned int cnt;
939 int dbl = runtime->rate > 48000;
940
941 spin_lock_irq(&chip->reg_lock);
942 switch (chip->device_type) {
943 case DEVICE_ALI:
944 cnt = igetdword(chip, ICHREG(ALI_SCR));
945 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
946 if (runtime->channels == 4 || dbl)
947 cnt |= ICH_ALI_SC_PCM_4;
948 else if (runtime->channels == 6)
949 cnt |= ICH_ALI_SC_PCM_6;
950 iputdword(chip, ICHREG(ALI_SCR), cnt);
951 break;
952 case DEVICE_SIS:
953 cnt = igetdword(chip, ICHREG(GLOB_CNT));
954 cnt &= ~ICH_SIS_PCM_246_MASK;
955 if (runtime->channels == 4 || dbl)
956 cnt |= ICH_SIS_PCM_4;
957 else if (runtime->channels == 6)
958 cnt |= ICH_SIS_PCM_6;
959 iputdword(chip, ICHREG(GLOB_CNT), cnt);
960 break;
961 default:
962 cnt = igetdword(chip, ICHREG(GLOB_CNT));
963 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
964 if (runtime->channels == 4 || dbl)
965 cnt |= ICH_PCM_4;
966 else if (runtime->channels == 6)
967 cnt |= ICH_PCM_6;
968 else if (runtime->channels == 8)
969 cnt |= ICH_PCM_8;
970 if (chip->device_type == DEVICE_NFORCE) {
971 /* reset to 2ch once to keep the 6 channel data in alignment,
972 * to start from Front Left always
973 */
974 if (cnt & ICH_PCM_246_MASK) {
975 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
976 spin_unlock_irq(&chip->reg_lock);
977 msleep(50); /* grrr... */
978 spin_lock_irq(&chip->reg_lock);
979 }
980 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
981 if (runtime->sample_bits > 16)
982 cnt |= ICH_PCM_20BIT;
983 }
984 iputdword(chip, ICHREG(GLOB_CNT), cnt);
985 break;
986 }
987 spin_unlock_irq(&chip->reg_lock);
988}
989
990static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
991{
992 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
993 struct snd_pcm_runtime *runtime = substream->runtime;
994 struct ichdev *ichdev = get_ichdev(substream);
995
996 ichdev->physbuf = runtime->dma_addr;
997 ichdev->size = snd_pcm_lib_buffer_bytes(substream);
998 ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
999 if (ichdev->ichd == ICHD_PCMOUT) {
1000 snd_intel8x0_setup_pcm_out(chip, runtime);
1001 if (chip->device_type == DEVICE_INTEL_ICH4)
1002 ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1003 }
1004 snd_intel8x0_setup_periods(chip, ichdev);
1005 return 0;
1006}
1007
1008static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1009{
1010 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1011 struct ichdev *ichdev = get_ichdev(substream);
1012 size_t ptr1, ptr;
1013 int civ, timeout = 10;
1014 unsigned int position;
1015
1016 spin_lock(&chip->reg_lock);
1017 do {
1018 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1019 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1020 position = ichdev->position;
1021 if (ptr1 == 0) {
1022 udelay(10);
1023 continue;
1024 }
1025 if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
1026 continue;
1027
1028 /* IO read operation is very expensive inside virtual machine
1029 * as it is emulated. The probability that subsequent PICB read
1030 * will return different result is high enough to loop till
1031 * timeout here.
1032 * Same CIV is strict enough condition to be sure that PICB
1033 * is valid inside VM on emulated card. */
1034 if (chip->inside_vm)
1035 break;
1036 if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1037 break;
1038 } while (timeout--);
1039 ptr = ichdev->last_pos;
1040 if (ptr1 != 0) {
1041 ptr1 <<= ichdev->pos_shift;
1042 ptr = ichdev->fragsize1 - ptr1;
1043 ptr += position;
1044 if (ptr < ichdev->last_pos) {
1045 unsigned int pos_base, last_base;
1046 pos_base = position / ichdev->fragsize1;
1047 last_base = ichdev->last_pos / ichdev->fragsize1;
1048 /* another sanity check; ptr1 can go back to full
1049 * before the base position is updated
1050 */
1051 if (pos_base == last_base)
1052 ptr = ichdev->last_pos;
1053 }
1054 }
1055 ichdev->last_pos = ptr;
1056 spin_unlock(&chip->reg_lock);
1057 if (ptr >= ichdev->size)
1058 return 0;
1059 return bytes_to_frames(substream->runtime, ptr);
1060}
1061
1062static const struct snd_pcm_hardware snd_intel8x0_stream =
1063{
1064 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1065 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1066 SNDRV_PCM_INFO_MMAP_VALID |
1067 SNDRV_PCM_INFO_PAUSE |
1068 SNDRV_PCM_INFO_RESUME),
1069 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1070 .rates = SNDRV_PCM_RATE_48000,
1071 .rate_min = 48000,
1072 .rate_max = 48000,
1073 .channels_min = 2,
1074 .channels_max = 2,
1075 .buffer_bytes_max = 128 * 1024,
1076 .period_bytes_min = 32,
1077 .period_bytes_max = 128 * 1024,
1078 .periods_min = 1,
1079 .periods_max = 1024,
1080 .fifo_size = 0,
1081};
1082
1083static const unsigned int channels4[] = {
1084 2, 4,
1085};
1086
1087static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1088 .count = ARRAY_SIZE(channels4),
1089 .list = channels4,
1090 .mask = 0,
1091};
1092
1093static const unsigned int channels6[] = {
1094 2, 4, 6,
1095};
1096
1097static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1098 .count = ARRAY_SIZE(channels6),
1099 .list = channels6,
1100 .mask = 0,
1101};
1102
1103static const unsigned int channels8[] = {
1104 2, 4, 6, 8,
1105};
1106
1107static const struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1108 .count = ARRAY_SIZE(channels8),
1109 .list = channels8,
1110 .mask = 0,
1111};
1112
1113static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1114{
1115 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1116 struct snd_pcm_runtime *runtime = substream->runtime;
1117 int err;
1118
1119 ichdev->substream = substream;
1120 runtime->hw = snd_intel8x0_stream;
1121 runtime->hw.rates = ichdev->pcm->rates;
1122 snd_pcm_limit_hw_rates(runtime);
1123 if (chip->device_type == DEVICE_SIS) {
1124 runtime->hw.buffer_bytes_max = 64*1024;
1125 runtime->hw.period_bytes_max = 64*1024;
1126 }
1127 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1128 return err;
1129 runtime->private_data = ichdev;
1130 return 0;
1131}
1132
1133static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1134{
1135 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1136 struct snd_pcm_runtime *runtime = substream->runtime;
1137 int err;
1138
1139 err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1140 if (err < 0)
1141 return err;
1142
1143 if (chip->multi8) {
1144 runtime->hw.channels_max = 8;
1145 snd_pcm_hw_constraint_list(runtime, 0,
1146 SNDRV_PCM_HW_PARAM_CHANNELS,
1147 &hw_constraints_channels8);
1148 } else if (chip->multi6) {
1149 runtime->hw.channels_max = 6;
1150 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1151 &hw_constraints_channels6);
1152 } else if (chip->multi4) {
1153 runtime->hw.channels_max = 4;
1154 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1155 &hw_constraints_channels4);
1156 }
1157 if (chip->dra) {
1158 snd_ac97_pcm_double_rate_rules(runtime);
1159 }
1160 if (chip->smp20bit) {
1161 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1162 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1163 }
1164 return 0;
1165}
1166
1167static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1168{
1169 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1170
1171 chip->ichd[ICHD_PCMOUT].substream = NULL;
1172 return 0;
1173}
1174
1175static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1176{
1177 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1178
1179 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1180}
1181
1182static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1183{
1184 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1185
1186 chip->ichd[ICHD_PCMIN].substream = NULL;
1187 return 0;
1188}
1189
1190static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1191{
1192 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1193
1194 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1195}
1196
1197static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1198{
1199 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1200
1201 chip->ichd[ICHD_MIC].substream = NULL;
1202 return 0;
1203}
1204
1205static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1206{
1207 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1208
1209 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1210}
1211
1212static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1213{
1214 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1215
1216 chip->ichd[ICHD_MIC2].substream = NULL;
1217 return 0;
1218}
1219
1220static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1221{
1222 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1223
1224 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1225}
1226
1227static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1228{
1229 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1230
1231 chip->ichd[ICHD_PCM2IN].substream = NULL;
1232 return 0;
1233}
1234
1235static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1236{
1237 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1238 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1239
1240 return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1241}
1242
1243static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1244{
1245 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1246 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1247
1248 chip->ichd[idx].substream = NULL;
1249 return 0;
1250}
1251
1252static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1253{
1254 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1255 unsigned int val;
1256
1257 spin_lock_irq(&chip->reg_lock);
1258 val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1259 val |= ICH_ALI_IF_AC97SP;
1260 iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1261 /* also needs to set ALI_SC_CODEC_SPDF correctly */
1262 spin_unlock_irq(&chip->reg_lock);
1263
1264 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1265}
1266
1267static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1268{
1269 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1270 unsigned int val;
1271
1272 chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1273 spin_lock_irq(&chip->reg_lock);
1274 val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1275 val &= ~ICH_ALI_IF_AC97SP;
1276 iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1277 spin_unlock_irq(&chip->reg_lock);
1278
1279 return 0;
1280}
1281
1282#if 0 // NYI
1283static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1284{
1285 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1286
1287 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1288}
1289
1290static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1291{
1292 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1293
1294 chip->ichd[ALID_SPDIFIN].substream = NULL;
1295 return 0;
1296}
1297
1298static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1299{
1300 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1301
1302 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1303}
1304
1305static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1306{
1307 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1308
1309 chip->ichd[ALID_SPDIFOUT].substream = NULL;
1310 return 0;
1311}
1312#endif
1313
1314static const struct snd_pcm_ops snd_intel8x0_playback_ops = {
1315 .open = snd_intel8x0_playback_open,
1316 .close = snd_intel8x0_playback_close,
1317 .ioctl = snd_pcm_lib_ioctl,
1318 .hw_params = snd_intel8x0_hw_params,
1319 .hw_free = snd_intel8x0_hw_free,
1320 .prepare = snd_intel8x0_pcm_prepare,
1321 .trigger = snd_intel8x0_pcm_trigger,
1322 .pointer = snd_intel8x0_pcm_pointer,
1323};
1324
1325static const struct snd_pcm_ops snd_intel8x0_capture_ops = {
1326 .open = snd_intel8x0_capture_open,
1327 .close = snd_intel8x0_capture_close,
1328 .ioctl = snd_pcm_lib_ioctl,
1329 .hw_params = snd_intel8x0_hw_params,
1330 .hw_free = snd_intel8x0_hw_free,
1331 .prepare = snd_intel8x0_pcm_prepare,
1332 .trigger = snd_intel8x0_pcm_trigger,
1333 .pointer = snd_intel8x0_pcm_pointer,
1334};
1335
1336static const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1337 .open = snd_intel8x0_mic_open,
1338 .close = snd_intel8x0_mic_close,
1339 .ioctl = snd_pcm_lib_ioctl,
1340 .hw_params = snd_intel8x0_hw_params,
1341 .hw_free = snd_intel8x0_hw_free,
1342 .prepare = snd_intel8x0_pcm_prepare,
1343 .trigger = snd_intel8x0_pcm_trigger,
1344 .pointer = snd_intel8x0_pcm_pointer,
1345};
1346
1347static const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1348 .open = snd_intel8x0_mic2_open,
1349 .close = snd_intel8x0_mic2_close,
1350 .ioctl = snd_pcm_lib_ioctl,
1351 .hw_params = snd_intel8x0_hw_params,
1352 .hw_free = snd_intel8x0_hw_free,
1353 .prepare = snd_intel8x0_pcm_prepare,
1354 .trigger = snd_intel8x0_pcm_trigger,
1355 .pointer = snd_intel8x0_pcm_pointer,
1356};
1357
1358static const struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1359 .open = snd_intel8x0_capture2_open,
1360 .close = snd_intel8x0_capture2_close,
1361 .ioctl = snd_pcm_lib_ioctl,
1362 .hw_params = snd_intel8x0_hw_params,
1363 .hw_free = snd_intel8x0_hw_free,
1364 .prepare = snd_intel8x0_pcm_prepare,
1365 .trigger = snd_intel8x0_pcm_trigger,
1366 .pointer = snd_intel8x0_pcm_pointer,
1367};
1368
1369static const struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1370 .open = snd_intel8x0_spdif_open,
1371 .close = snd_intel8x0_spdif_close,
1372 .ioctl = snd_pcm_lib_ioctl,
1373 .hw_params = snd_intel8x0_hw_params,
1374 .hw_free = snd_intel8x0_hw_free,
1375 .prepare = snd_intel8x0_pcm_prepare,
1376 .trigger = snd_intel8x0_pcm_trigger,
1377 .pointer = snd_intel8x0_pcm_pointer,
1378};
1379
1380static const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1381 .open = snd_intel8x0_playback_open,
1382 .close = snd_intel8x0_playback_close,
1383 .ioctl = snd_pcm_lib_ioctl,
1384 .hw_params = snd_intel8x0_hw_params,
1385 .hw_free = snd_intel8x0_hw_free,
1386 .prepare = snd_intel8x0_pcm_prepare,
1387 .trigger = snd_intel8x0_ali_trigger,
1388 .pointer = snd_intel8x0_pcm_pointer,
1389};
1390
1391static const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1392 .open = snd_intel8x0_capture_open,
1393 .close = snd_intel8x0_capture_close,
1394 .ioctl = snd_pcm_lib_ioctl,
1395 .hw_params = snd_intel8x0_hw_params,
1396 .hw_free = snd_intel8x0_hw_free,
1397 .prepare = snd_intel8x0_pcm_prepare,
1398 .trigger = snd_intel8x0_ali_trigger,
1399 .pointer = snd_intel8x0_pcm_pointer,
1400};
1401
1402static const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1403 .open = snd_intel8x0_mic_open,
1404 .close = snd_intel8x0_mic_close,
1405 .ioctl = snd_pcm_lib_ioctl,
1406 .hw_params = snd_intel8x0_hw_params,
1407 .hw_free = snd_intel8x0_hw_free,
1408 .prepare = snd_intel8x0_pcm_prepare,
1409 .trigger = snd_intel8x0_ali_trigger,
1410 .pointer = snd_intel8x0_pcm_pointer,
1411};
1412
1413static const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1414 .open = snd_intel8x0_ali_ac97spdifout_open,
1415 .close = snd_intel8x0_ali_ac97spdifout_close,
1416 .ioctl = snd_pcm_lib_ioctl,
1417 .hw_params = snd_intel8x0_hw_params,
1418 .hw_free = snd_intel8x0_hw_free,
1419 .prepare = snd_intel8x0_pcm_prepare,
1420 .trigger = snd_intel8x0_ali_trigger,
1421 .pointer = snd_intel8x0_pcm_pointer,
1422};
1423
1424#if 0 // NYI
1425static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1426 .open = snd_intel8x0_ali_spdifin_open,
1427 .close = snd_intel8x0_ali_spdifin_close,
1428 .ioctl = snd_pcm_lib_ioctl,
1429 .hw_params = snd_intel8x0_hw_params,
1430 .hw_free = snd_intel8x0_hw_free,
1431 .prepare = snd_intel8x0_pcm_prepare,
1432 .trigger = snd_intel8x0_pcm_trigger,
1433 .pointer = snd_intel8x0_pcm_pointer,
1434};
1435
1436static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1437 .open = snd_intel8x0_ali_spdifout_open,
1438 .close = snd_intel8x0_ali_spdifout_close,
1439 .ioctl = snd_pcm_lib_ioctl,
1440 .hw_params = snd_intel8x0_hw_params,
1441 .hw_free = snd_intel8x0_hw_free,
1442 .prepare = snd_intel8x0_pcm_prepare,
1443 .trigger = snd_intel8x0_pcm_trigger,
1444 .pointer = snd_intel8x0_pcm_pointer,
1445};
1446#endif // NYI
1447
1448struct ich_pcm_table {
1449 char *suffix;
1450 const struct snd_pcm_ops *playback_ops;
1451 const struct snd_pcm_ops *capture_ops;
1452 size_t prealloc_size;
1453 size_t prealloc_max_size;
1454 int ac97_idx;
1455};
1456
1457#define intel8x0_dma_type(chip) \
1458 ((chip)->fix_nocache ? SNDRV_DMA_TYPE_DEV_UC : SNDRV_DMA_TYPE_DEV)
1459
1460static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1461 struct ich_pcm_table *rec)
1462{
1463 struct snd_pcm *pcm;
1464 int err;
1465 char name[32];
1466
1467 if (rec->suffix)
1468 sprintf(name, "Intel ICH - %s", rec->suffix);
1469 else
1470 strcpy(name, "Intel ICH");
1471 err = snd_pcm_new(chip->card, name, device,
1472 rec->playback_ops ? 1 : 0,
1473 rec->capture_ops ? 1 : 0, &pcm);
1474 if (err < 0)
1475 return err;
1476
1477 if (rec->playback_ops)
1478 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1479 if (rec->capture_ops)
1480 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1481
1482 pcm->private_data = chip;
1483 pcm->info_flags = 0;
1484 if (rec->suffix)
1485 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1486 else
1487 strcpy(pcm->name, chip->card->shortname);
1488 chip->pcm[device] = pcm;
1489
1490 snd_pcm_lib_preallocate_pages_for_all(pcm, intel8x0_dma_type(chip),
1491 snd_dma_pci_data(chip->pci),
1492 rec->prealloc_size, rec->prealloc_max_size);
1493
1494 if (rec->playback_ops &&
1495 rec->playback_ops->open == snd_intel8x0_playback_open) {
1496 struct snd_pcm_chmap *chmap;
1497 int chs = 2;
1498 if (chip->multi8)
1499 chs = 8;
1500 else if (chip->multi6)
1501 chs = 6;
1502 else if (chip->multi4)
1503 chs = 4;
1504 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1505 snd_pcm_alt_chmaps, chs, 0,
1506 &chmap);
1507 if (err < 0)
1508 return err;
1509 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
1510 chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1511 }
1512
1513 return 0;
1514}
1515
1516static struct ich_pcm_table intel_pcms[] = {
1517 {
1518 .playback_ops = &snd_intel8x0_playback_ops,
1519 .capture_ops = &snd_intel8x0_capture_ops,
1520 .prealloc_size = 64 * 1024,
1521 .prealloc_max_size = 128 * 1024,
1522 },
1523 {
1524 .suffix = "MIC ADC",
1525 .capture_ops = &snd_intel8x0_capture_mic_ops,
1526 .prealloc_size = 0,
1527 .prealloc_max_size = 128 * 1024,
1528 .ac97_idx = ICHD_MIC,
1529 },
1530 {
1531 .suffix = "MIC2 ADC",
1532 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1533 .prealloc_size = 0,
1534 .prealloc_max_size = 128 * 1024,
1535 .ac97_idx = ICHD_MIC2,
1536 },
1537 {
1538 .suffix = "ADC2",
1539 .capture_ops = &snd_intel8x0_capture2_ops,
1540 .prealloc_size = 0,
1541 .prealloc_max_size = 128 * 1024,
1542 .ac97_idx = ICHD_PCM2IN,
1543 },
1544 {
1545 .suffix = "IEC958",
1546 .playback_ops = &snd_intel8x0_spdif_ops,
1547 .prealloc_size = 64 * 1024,
1548 .prealloc_max_size = 128 * 1024,
1549 .ac97_idx = ICHD_SPBAR,
1550 },
1551};
1552
1553static struct ich_pcm_table nforce_pcms[] = {
1554 {
1555 .playback_ops = &snd_intel8x0_playback_ops,
1556 .capture_ops = &snd_intel8x0_capture_ops,
1557 .prealloc_size = 64 * 1024,
1558 .prealloc_max_size = 128 * 1024,
1559 },
1560 {
1561 .suffix = "MIC ADC",
1562 .capture_ops = &snd_intel8x0_capture_mic_ops,
1563 .prealloc_size = 0,
1564 .prealloc_max_size = 128 * 1024,
1565 .ac97_idx = NVD_MIC,
1566 },
1567 {
1568 .suffix = "IEC958",
1569 .playback_ops = &snd_intel8x0_spdif_ops,
1570 .prealloc_size = 64 * 1024,
1571 .prealloc_max_size = 128 * 1024,
1572 .ac97_idx = NVD_SPBAR,
1573 },
1574};
1575
1576static struct ich_pcm_table ali_pcms[] = {
1577 {
1578 .playback_ops = &snd_intel8x0_ali_playback_ops,
1579 .capture_ops = &snd_intel8x0_ali_capture_ops,
1580 .prealloc_size = 64 * 1024,
1581 .prealloc_max_size = 128 * 1024,
1582 },
1583 {
1584 .suffix = "MIC ADC",
1585 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1586 .prealloc_size = 0,
1587 .prealloc_max_size = 128 * 1024,
1588 .ac97_idx = ALID_MIC,
1589 },
1590 {
1591 .suffix = "IEC958",
1592 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1593 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1594 .prealloc_size = 64 * 1024,
1595 .prealloc_max_size = 128 * 1024,
1596 .ac97_idx = ALID_AC97SPDIFOUT,
1597 },
1598#if 0 // NYI
1599 {
1600 .suffix = "HW IEC958",
1601 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1602 .prealloc_size = 64 * 1024,
1603 .prealloc_max_size = 128 * 1024,
1604 },
1605#endif
1606};
1607
1608static int snd_intel8x0_pcm(struct intel8x0 *chip)
1609{
1610 int i, tblsize, device, err;
1611 struct ich_pcm_table *tbl, *rec;
1612
1613 switch (chip->device_type) {
1614 case DEVICE_INTEL_ICH4:
1615 tbl = intel_pcms;
1616 tblsize = ARRAY_SIZE(intel_pcms);
1617 if (spdif_aclink)
1618 tblsize--;
1619 break;
1620 case DEVICE_NFORCE:
1621 tbl = nforce_pcms;
1622 tblsize = ARRAY_SIZE(nforce_pcms);
1623 if (spdif_aclink)
1624 tblsize--;
1625 break;
1626 case DEVICE_ALI:
1627 tbl = ali_pcms;
1628 tblsize = ARRAY_SIZE(ali_pcms);
1629 break;
1630 default:
1631 tbl = intel_pcms;
1632 tblsize = 2;
1633 break;
1634 }
1635
1636 device = 0;
1637 for (i = 0; i < tblsize; i++) {
1638 rec = tbl + i;
1639 if (i > 0 && rec->ac97_idx) {
1640 /* activate PCM only when associated AC'97 codec */
1641 if (! chip->ichd[rec->ac97_idx].pcm)
1642 continue;
1643 }
1644 err = snd_intel8x0_pcm1(chip, device, rec);
1645 if (err < 0)
1646 return err;
1647 device++;
1648 }
1649
1650 chip->pcm_devs = device;
1651 return 0;
1652}
1653
1654
1655/*
1656 * Mixer part
1657 */
1658
1659static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1660{
1661 struct intel8x0 *chip = bus->private_data;
1662 chip->ac97_bus = NULL;
1663}
1664
1665static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1666{
1667 struct intel8x0 *chip = ac97->private_data;
1668 chip->ac97[ac97->num] = NULL;
1669}
1670
1671static const struct ac97_pcm ac97_pcm_defs[] = {
1672 /* front PCM */
1673 {
1674 .exclusive = 1,
1675 .r = { {
1676 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1677 (1 << AC97_SLOT_PCM_RIGHT) |
1678 (1 << AC97_SLOT_PCM_CENTER) |
1679 (1 << AC97_SLOT_PCM_SLEFT) |
1680 (1 << AC97_SLOT_PCM_SRIGHT) |
1681 (1 << AC97_SLOT_LFE)
1682 },
1683 {
1684 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1685 (1 << AC97_SLOT_PCM_RIGHT) |
1686 (1 << AC97_SLOT_PCM_LEFT_0) |
1687 (1 << AC97_SLOT_PCM_RIGHT_0)
1688 }
1689 }
1690 },
1691 /* PCM IN #1 */
1692 {
1693 .stream = 1,
1694 .exclusive = 1,
1695 .r = { {
1696 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1697 (1 << AC97_SLOT_PCM_RIGHT)
1698 }
1699 }
1700 },
1701 /* MIC IN #1 */
1702 {
1703 .stream = 1,
1704 .exclusive = 1,
1705 .r = { {
1706 .slots = (1 << AC97_SLOT_MIC)
1707 }
1708 }
1709 },
1710 /* S/PDIF PCM */
1711 {
1712 .exclusive = 1,
1713 .spdif = 1,
1714 .r = { {
1715 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1716 (1 << AC97_SLOT_SPDIF_RIGHT2)
1717 }
1718 }
1719 },
1720 /* PCM IN #2 */
1721 {
1722 .stream = 1,
1723 .exclusive = 1,
1724 .r = { {
1725 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1726 (1 << AC97_SLOT_PCM_RIGHT)
1727 }
1728 }
1729 },
1730 /* MIC IN #2 */
1731 {
1732 .stream = 1,
1733 .exclusive = 1,
1734 .r = { {
1735 .slots = (1 << AC97_SLOT_MIC)
1736 }
1737 }
1738 },
1739};
1740
1741static const struct ac97_quirk ac97_quirks[] = {
1742 {
1743 .subvendor = 0x0e11,
1744 .subdevice = 0x000e,
1745 .name = "Compaq Deskpro EN", /* AD1885 */
1746 .type = AC97_TUNE_HP_ONLY
1747 },
1748 {
1749 .subvendor = 0x0e11,
1750 .subdevice = 0x008a,
1751 .name = "Compaq Evo W4000", /* AD1885 */
1752 .type = AC97_TUNE_HP_ONLY
1753 },
1754 {
1755 .subvendor = 0x0e11,
1756 .subdevice = 0x00b8,
1757 .name = "Compaq Evo D510C",
1758 .type = AC97_TUNE_HP_ONLY
1759 },
1760 {
1761 .subvendor = 0x0e11,
1762 .subdevice = 0x0860,
1763 .name = "HP/Compaq nx7010",
1764 .type = AC97_TUNE_MUTE_LED
1765 },
1766 {
1767 .subvendor = 0x1014,
1768 .subdevice = 0x0534,
1769 .name = "ThinkPad X31",
1770 .type = AC97_TUNE_INV_EAPD
1771 },
1772 {
1773 .subvendor = 0x1014,
1774 .subdevice = 0x1f00,
1775 .name = "MS-9128",
1776 .type = AC97_TUNE_ALC_JACK
1777 },
1778 {
1779 .subvendor = 0x1014,
1780 .subdevice = 0x0267,
1781 .name = "IBM NetVista A30p", /* AD1981B */
1782 .type = AC97_TUNE_HP_ONLY
1783 },
1784 {
1785 .subvendor = 0x1025,
1786 .subdevice = 0x0082,
1787 .name = "Acer Travelmate 2310",
1788 .type = AC97_TUNE_HP_ONLY
1789 },
1790 {
1791 .subvendor = 0x1025,
1792 .subdevice = 0x0083,
1793 .name = "Acer Aspire 3003LCi",
1794 .type = AC97_TUNE_HP_ONLY
1795 },
1796 {
1797 .subvendor = 0x1028,
1798 .subdevice = 0x00d8,
1799 .name = "Dell Precision 530", /* AD1885 */
1800 .type = AC97_TUNE_HP_ONLY
1801 },
1802 {
1803 .subvendor = 0x1028,
1804 .subdevice = 0x010d,
1805 .name = "Dell", /* which model? AD1885 */
1806 .type = AC97_TUNE_HP_ONLY
1807 },
1808 {
1809 .subvendor = 0x1028,
1810 .subdevice = 0x0126,
1811 .name = "Dell Optiplex GX260", /* AD1981A */
1812 .type = AC97_TUNE_HP_ONLY
1813 },
1814 {
1815 .subvendor = 0x1028,
1816 .subdevice = 0x012c,
1817 .name = "Dell Precision 650", /* AD1981A */
1818 .type = AC97_TUNE_HP_ONLY
1819 },
1820 {
1821 .subvendor = 0x1028,
1822 .subdevice = 0x012d,
1823 .name = "Dell Precision 450", /* AD1981B*/
1824 .type = AC97_TUNE_HP_ONLY
1825 },
1826 {
1827 .subvendor = 0x1028,
1828 .subdevice = 0x0147,
1829 .name = "Dell", /* which model? AD1981B*/
1830 .type = AC97_TUNE_HP_ONLY
1831 },
1832 {
1833 .subvendor = 0x1028,
1834 .subdevice = 0x0151,
1835 .name = "Dell Optiplex GX270", /* AD1981B */
1836 .type = AC97_TUNE_HP_ONLY
1837 },
1838 {
1839 .subvendor = 0x1028,
1840 .subdevice = 0x014e,
1841 .name = "Dell D800", /* STAC9750/51 */
1842 .type = AC97_TUNE_HP_ONLY
1843 },
1844 {
1845 .subvendor = 0x1028,
1846 .subdevice = 0x0163,
1847 .name = "Dell Unknown", /* STAC9750/51 */
1848 .type = AC97_TUNE_HP_ONLY
1849 },
1850 {
1851 .subvendor = 0x1028,
1852 .subdevice = 0x016a,
1853 .name = "Dell Inspiron 8600", /* STAC9750/51 */
1854 .type = AC97_TUNE_HP_ONLY
1855 },
1856 {
1857 .subvendor = 0x1028,
1858 .subdevice = 0x0182,
1859 .name = "Dell Latitude D610", /* STAC9750/51 */
1860 .type = AC97_TUNE_HP_ONLY
1861 },
1862 {
1863 .subvendor = 0x1028,
1864 .subdevice = 0x0186,
1865 .name = "Dell Latitude D810", /* cf. Malone #41015 */
1866 .type = AC97_TUNE_HP_MUTE_LED
1867 },
1868 {
1869 .subvendor = 0x1028,
1870 .subdevice = 0x0188,
1871 .name = "Dell Inspiron 6000",
1872 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1873 },
1874 {
1875 .subvendor = 0x1028,
1876 .subdevice = 0x0189,
1877 .name = "Dell Inspiron 9300",
1878 .type = AC97_TUNE_HP_MUTE_LED
1879 },
1880 {
1881 .subvendor = 0x1028,
1882 .subdevice = 0x0191,
1883 .name = "Dell Inspiron 8600",
1884 .type = AC97_TUNE_HP_ONLY
1885 },
1886 {
1887 .subvendor = 0x103c,
1888 .subdevice = 0x006d,
1889 .name = "HP zv5000",
1890 .type = AC97_TUNE_MUTE_LED /*AD1981B*/
1891 },
1892 { /* FIXME: which codec? */
1893 .subvendor = 0x103c,
1894 .subdevice = 0x00c3,
1895 .name = "HP xw6000",
1896 .type = AC97_TUNE_HP_ONLY
1897 },
1898 {
1899 .subvendor = 0x103c,
1900 .subdevice = 0x088c,
1901 .name = "HP nc8000",
1902 .type = AC97_TUNE_HP_MUTE_LED
1903 },
1904 {
1905 .subvendor = 0x103c,
1906 .subdevice = 0x0890,
1907 .name = "HP nc6000",
1908 .type = AC97_TUNE_MUTE_LED
1909 },
1910 {
1911 .subvendor = 0x103c,
1912 .subdevice = 0x129d,
1913 .name = "HP xw8000",
1914 .type = AC97_TUNE_HP_ONLY
1915 },
1916 {
1917 .subvendor = 0x103c,
1918 .subdevice = 0x0938,
1919 .name = "HP nc4200",
1920 .type = AC97_TUNE_HP_MUTE_LED
1921 },
1922 {
1923 .subvendor = 0x103c,
1924 .subdevice = 0x099c,
1925 .name = "HP nx6110/nc6120",
1926 .type = AC97_TUNE_HP_MUTE_LED
1927 },
1928 {
1929 .subvendor = 0x103c,
1930 .subdevice = 0x0944,
1931 .name = "HP nc6220",
1932 .type = AC97_TUNE_HP_MUTE_LED
1933 },
1934 {
1935 .subvendor = 0x103c,
1936 .subdevice = 0x0934,
1937 .name = "HP nc8220",
1938 .type = AC97_TUNE_HP_MUTE_LED
1939 },
1940 {
1941 .subvendor = 0x103c,
1942 .subdevice = 0x12f1,
1943 .name = "HP xw8200", /* AD1981B*/
1944 .type = AC97_TUNE_HP_ONLY
1945 },
1946 {
1947 .subvendor = 0x103c,
1948 .subdevice = 0x12f2,
1949 .name = "HP xw6200",
1950 .type = AC97_TUNE_HP_ONLY
1951 },
1952 {
1953 .subvendor = 0x103c,
1954 .subdevice = 0x3008,
1955 .name = "HP xw4200", /* AD1981B*/
1956 .type = AC97_TUNE_HP_ONLY
1957 },
1958 {
1959 .subvendor = 0x104d,
1960 .subdevice = 0x8144,
1961 .name = "Sony",
1962 .type = AC97_TUNE_INV_EAPD
1963 },
1964 {
1965 .subvendor = 0x104d,
1966 .subdevice = 0x8197,
1967 .name = "Sony S1XP",
1968 .type = AC97_TUNE_INV_EAPD
1969 },
1970 {
1971 .subvendor = 0x104d,
1972 .subdevice = 0x81c0,
1973 .name = "Sony VAIO VGN-T350P", /*AD1981B*/
1974 .type = AC97_TUNE_INV_EAPD
1975 },
1976 {
1977 .subvendor = 0x104d,
1978 .subdevice = 0x81c5,
1979 .name = "Sony VAIO VGN-B1VP", /*AD1981B*/
1980 .type = AC97_TUNE_INV_EAPD
1981 },
1982 {
1983 .subvendor = 0x1043,
1984 .subdevice = 0x80f3,
1985 .name = "ASUS ICH5/AD1985",
1986 .type = AC97_TUNE_AD_SHARING
1987 },
1988 {
1989 .subvendor = 0x10cf,
1990 .subdevice = 0x11c3,
1991 .name = "Fujitsu-Siemens E4010",
1992 .type = AC97_TUNE_HP_ONLY
1993 },
1994 {
1995 .subvendor = 0x10cf,
1996 .subdevice = 0x1225,
1997 .name = "Fujitsu-Siemens T3010",
1998 .type = AC97_TUNE_HP_ONLY
1999 },
2000 {
2001 .subvendor = 0x10cf,
2002 .subdevice = 0x1253,
2003 .name = "Fujitsu S6210", /* STAC9750/51 */
2004 .type = AC97_TUNE_HP_ONLY
2005 },
2006 {
2007 .subvendor = 0x10cf,
2008 .subdevice = 0x127d,
2009 .name = "Fujitsu Lifebook P7010",
2010 .type = AC97_TUNE_HP_ONLY
2011 },
2012 {
2013 .subvendor = 0x10cf,
2014 .subdevice = 0x127e,
2015 .name = "Fujitsu Lifebook C1211D",
2016 .type = AC97_TUNE_HP_ONLY
2017 },
2018 {
2019 .subvendor = 0x10cf,
2020 .subdevice = 0x12ec,
2021 .name = "Fujitsu-Siemens 4010",
2022 .type = AC97_TUNE_HP_ONLY
2023 },
2024 {
2025 .subvendor = 0x10cf,
2026 .subdevice = 0x12f2,
2027 .name = "Fujitsu-Siemens Celsius H320",
2028 .type = AC97_TUNE_SWAP_HP
2029 },
2030 {
2031 .subvendor = 0x10f1,
2032 .subdevice = 0x2665,
2033 .name = "Fujitsu-Siemens Celsius", /* AD1981? */
2034 .type = AC97_TUNE_HP_ONLY
2035 },
2036 {
2037 .subvendor = 0x10f1,
2038 .subdevice = 0x2885,
2039 .name = "AMD64 Mobo", /* ALC650 */
2040 .type = AC97_TUNE_HP_ONLY
2041 },
2042 {
2043 .subvendor = 0x10f1,
2044 .subdevice = 0x2895,
2045 .name = "Tyan Thunder K8WE",
2046 .type = AC97_TUNE_HP_ONLY
2047 },
2048 {
2049 .subvendor = 0x10f7,
2050 .subdevice = 0x834c,
2051 .name = "Panasonic CF-R4",
2052 .type = AC97_TUNE_HP_ONLY,
2053 },
2054 {
2055 .subvendor = 0x110a,
2056 .subdevice = 0x0056,
2057 .name = "Fujitsu-Siemens Scenic", /* AD1981? */
2058 .type = AC97_TUNE_HP_ONLY
2059 },
2060 {
2061 .subvendor = 0x11d4,
2062 .subdevice = 0x5375,
2063 .name = "ADI AD1985 (discrete)",
2064 .type = AC97_TUNE_HP_ONLY
2065 },
2066 {
2067 .subvendor = 0x1462,
2068 .subdevice = 0x5470,
2069 .name = "MSI P4 ATX 645 Ultra",
2070 .type = AC97_TUNE_HP_ONLY
2071 },
2072 {
2073 .subvendor = 0x161f,
2074 .subdevice = 0x202f,
2075 .name = "Gateway M520",
2076 .type = AC97_TUNE_INV_EAPD
2077 },
2078 {
2079 .subvendor = 0x161f,
2080 .subdevice = 0x203a,
2081 .name = "Gateway 4525GZ", /* AD1981B */
2082 .type = AC97_TUNE_INV_EAPD
2083 },
2084 {
2085 .subvendor = 0x1734,
2086 .subdevice = 0x0088,
2087 .name = "Fujitsu-Siemens D1522", /* AD1981 */
2088 .type = AC97_TUNE_HP_ONLY
2089 },
2090 {
2091 .subvendor = 0x8086,
2092 .subdevice = 0x2000,
2093 .mask = 0xfff0,
2094 .name = "Intel ICH5/AD1985",
2095 .type = AC97_TUNE_AD_SHARING
2096 },
2097 {
2098 .subvendor = 0x8086,
2099 .subdevice = 0x4000,
2100 .mask = 0xfff0,
2101 .name = "Intel ICH5/AD1985",
2102 .type = AC97_TUNE_AD_SHARING
2103 },
2104 {
2105 .subvendor = 0x8086,
2106 .subdevice = 0x4856,
2107 .name = "Intel D845WN (82801BA)",
2108 .type = AC97_TUNE_SWAP_HP
2109 },
2110 {
2111 .subvendor = 0x8086,
2112 .subdevice = 0x4d44,
2113 .name = "Intel D850EMV2", /* AD1885 */
2114 .type = AC97_TUNE_HP_ONLY
2115 },
2116 {
2117 .subvendor = 0x8086,
2118 .subdevice = 0x4d56,
2119 .name = "Intel ICH/AD1885",
2120 .type = AC97_TUNE_HP_ONLY
2121 },
2122 {
2123 .subvendor = 0x8086,
2124 .subdevice = 0x6000,
2125 .mask = 0xfff0,
2126 .name = "Intel ICH5/AD1985",
2127 .type = AC97_TUNE_AD_SHARING
2128 },
2129 {
2130 .subvendor = 0x8086,
2131 .subdevice = 0xe000,
2132 .mask = 0xfff0,
2133 .name = "Intel ICH5/AD1985",
2134 .type = AC97_TUNE_AD_SHARING
2135 },
2136#if 0 /* FIXME: this seems wrong on most boards */
2137 {
2138 .subvendor = 0x8086,
2139 .subdevice = 0xa000,
2140 .mask = 0xfff0,
2141 .name = "Intel ICH5/AD1985",
2142 .type = AC97_TUNE_HP_ONLY
2143 },
2144#endif
2145 { } /* terminator */
2146};
2147
2148static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2149 const char *quirk_override)
2150{
2151 struct snd_ac97_bus *pbus;
2152 struct snd_ac97_template ac97;
2153 int err;
2154 unsigned int i, codecs;
2155 unsigned int glob_sta = 0;
2156 struct snd_ac97_bus_ops *ops;
2157 static struct snd_ac97_bus_ops standard_bus_ops = {
2158 .write = snd_intel8x0_codec_write,
2159 .read = snd_intel8x0_codec_read,
2160 };
2161 static struct snd_ac97_bus_ops ali_bus_ops = {
2162 .write = snd_intel8x0_ali_codec_write,
2163 .read = snd_intel8x0_ali_codec_read,
2164 };
2165
2166 chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2167 if (!spdif_aclink) {
2168 switch (chip->device_type) {
2169 case DEVICE_NFORCE:
2170 chip->spdif_idx = NVD_SPBAR;
2171 break;
2172 case DEVICE_ALI:
2173 chip->spdif_idx = ALID_AC97SPDIFOUT;
2174 break;
2175 case DEVICE_INTEL_ICH4:
2176 chip->spdif_idx = ICHD_SPBAR;
2177 break;
2178 }
2179 }
2180
2181 chip->in_ac97_init = 1;
2182
2183 memset(&ac97, 0, sizeof(ac97));
2184 ac97.private_data = chip;
2185 ac97.private_free = snd_intel8x0_mixer_free_ac97;
2186 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2187 if (chip->xbox)
2188 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2189 if (chip->device_type != DEVICE_ALI) {
2190 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2191 ops = &standard_bus_ops;
2192 chip->in_sdin_init = 1;
2193 codecs = 0;
2194 for (i = 0; i < chip->max_codecs; i++) {
2195 if (! (glob_sta & chip->codec_bit[i]))
2196 continue;
2197 if (chip->device_type == DEVICE_INTEL_ICH4) {
2198 snd_intel8x0_codec_read_test(chip, codecs);
2199 chip->ac97_sdin[codecs] =
2200 igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2201 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2202 chip->ac97_sdin[codecs] = 0;
2203 } else
2204 chip->ac97_sdin[codecs] = i;
2205 codecs++;
2206 }
2207 chip->in_sdin_init = 0;
2208 if (! codecs)
2209 codecs = 1;
2210 } else {
2211 ops = &ali_bus_ops;
2212 codecs = 1;
2213 /* detect the secondary codec */
2214 for (i = 0; i < 100; i++) {
2215 unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2216 if (reg & 0x40) {
2217 codecs = 2;
2218 break;
2219 }
2220 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2221 udelay(1);
2222 }
2223 }
2224 if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2225 goto __err;
2226 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2227 if (ac97_clock >= 8000 && ac97_clock <= 48000)
2228 pbus->clock = ac97_clock;
2229 /* FIXME: my test board doesn't work well with VRA... */
2230 if (chip->device_type == DEVICE_ALI)
2231 pbus->no_vra = 1;
2232 else
2233 pbus->dra = 1;
2234 chip->ac97_bus = pbus;
2235 chip->ncodecs = codecs;
2236
2237 ac97.pci = chip->pci;
2238 for (i = 0; i < codecs; i++) {
2239 ac97.num = i;
2240 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2241 if (err != -EACCES)
2242 dev_err(chip->card->dev,
2243 "Unable to initialize codec #%d\n", i);
2244 if (i == 0)
2245 goto __err;
2246 }
2247 }
2248 /* tune up the primary codec */
2249 snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2250 /* enable separate SDINs for ICH4 */
2251 if (chip->device_type == DEVICE_INTEL_ICH4)
2252 pbus->isdin = 1;
2253 /* find the available PCM streams */
2254 i = ARRAY_SIZE(ac97_pcm_defs);
2255 if (chip->device_type != DEVICE_INTEL_ICH4)
2256 i -= 2; /* do not allocate PCM2IN and MIC2 */
2257 if (chip->spdif_idx < 0)
2258 i--; /* do not allocate S/PDIF */
2259 err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2260 if (err < 0)
2261 goto __err;
2262 chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2263 chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2264 chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2265 if (chip->spdif_idx >= 0)
2266 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2267 if (chip->device_type == DEVICE_INTEL_ICH4) {
2268 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2269 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2270 }
2271 /* enable separate SDINs for ICH4 */
2272 if (chip->device_type == DEVICE_INTEL_ICH4) {
2273 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2274 u8 tmp = igetbyte(chip, ICHREG(SDM));
2275 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2276 if (pcm) {
2277 tmp |= ICH_SE; /* steer enable for multiple SDINs */
2278 tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2279 for (i = 1; i < 4; i++) {
2280 if (pcm->r[0].codec[i]) {
2281 tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2282 break;
2283 }
2284 }
2285 } else {
2286 tmp &= ~ICH_SE; /* steer disable */
2287 }
2288 iputbyte(chip, ICHREG(SDM), tmp);
2289 }
2290 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2291 chip->multi4 = 1;
2292 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2293 chip->multi6 = 1;
2294 if (chip->ac97[0]->flags & AC97_HAS_8CH)
2295 chip->multi8 = 1;
2296 }
2297 }
2298 if (pbus->pcms[0].r[1].rslots[0]) {
2299 chip->dra = 1;
2300 }
2301 if (chip->device_type == DEVICE_INTEL_ICH4) {
2302 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2303 chip->smp20bit = 1;
2304 }
2305 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2306 /* 48kHz only */
2307 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2308 }
2309 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2310 /* use slot 10/11 for SPDIF */
2311 u32 val;
2312 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2313 val |= ICH_PCM_SPDIF_1011;
2314 iputdword(chip, ICHREG(GLOB_CNT), val);
2315 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2316 }
2317 chip->in_ac97_init = 0;
2318 return 0;
2319
2320 __err:
2321 /* clear the cold-reset bit for the next chance */
2322 if (chip->device_type != DEVICE_ALI)
2323 iputdword(chip, ICHREG(GLOB_CNT),
2324 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2325 return err;
2326}
2327
2328
2329/*
2330 *
2331 */
2332
2333static void do_ali_reset(struct intel8x0 *chip)
2334{
2335 iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2336 iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2337 iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2338 iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2339 iputdword(chip, ICHREG(ALI_INTERFACECR),
2340 ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2341 iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2342 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2343}
2344
2345#ifdef CONFIG_SND_AC97_POWER_SAVE
2346static struct snd_pci_quirk ich_chip_reset_mode[] = {
2347 SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2348 { } /* end */
2349};
2350
2351static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2352{
2353 unsigned int cnt;
2354 /* ACLink on, 2 channels */
2355
2356 if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2357 return -EIO;
2358
2359 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2360 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2361
2362 /* do cold reset - the full ac97 powerdown may leave the controller
2363 * in a warm state but actually it cannot communicate with the codec.
2364 */
2365 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2366 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2367 udelay(10);
2368 iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2369 msleep(1);
2370 return 0;
2371}
2372#define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2373 (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2374#else
2375#define snd_intel8x0_ich_chip_cold_reset(chip) 0
2376#define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2377#endif
2378
2379static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2380{
2381 unsigned long end_time;
2382 unsigned int cnt;
2383 /* ACLink on, 2 channels */
2384 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2385 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2386 /* finish cold or do warm reset */
2387 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2388 iputdword(chip, ICHREG(GLOB_CNT), cnt);
2389 end_time = (jiffies + (HZ / 4)) + 1;
2390 do {
2391 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2392 return 0;
2393 schedule_timeout_uninterruptible(1);
2394 } while (time_after_eq(end_time, jiffies));
2395 dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n",
2396 igetdword(chip, ICHREG(GLOB_CNT)));
2397 return -EIO;
2398}
2399
2400static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2401{
2402 unsigned long end_time;
2403 unsigned int status, nstatus;
2404 unsigned int cnt;
2405 int err;
2406
2407 /* put logic to right state */
2408 /* first clear status bits */
2409 status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2410 if (chip->device_type == DEVICE_NFORCE)
2411 status |= ICH_NVSPINT;
2412 cnt = igetdword(chip, ICHREG(GLOB_STA));
2413 iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2414
2415 if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2416 err = snd_intel8x0_ich_chip_cold_reset(chip);
2417 else
2418 err = snd_intel8x0_ich_chip_reset(chip);
2419 if (err < 0)
2420 return err;
2421
2422 if (probing) {
2423 /* wait for any codec ready status.
2424 * Once it becomes ready it should remain ready
2425 * as long as we do not disable the ac97 link.
2426 */
2427 end_time = jiffies + HZ;
2428 do {
2429 status = igetdword(chip, ICHREG(GLOB_STA)) &
2430 chip->codec_isr_bits;
2431 if (status)
2432 break;
2433 schedule_timeout_uninterruptible(1);
2434 } while (time_after_eq(end_time, jiffies));
2435 if (! status) {
2436 /* no codec is found */
2437 dev_err(chip->card->dev,
2438 "codec_ready: codec is not ready [0x%x]\n",
2439 igetdword(chip, ICHREG(GLOB_STA)));
2440 return -EIO;
2441 }
2442
2443 /* wait for other codecs ready status. */
2444 end_time = jiffies + HZ / 4;
2445 while (status != chip->codec_isr_bits &&
2446 time_after_eq(end_time, jiffies)) {
2447 schedule_timeout_uninterruptible(1);
2448 status |= igetdword(chip, ICHREG(GLOB_STA)) &
2449 chip->codec_isr_bits;
2450 }
2451
2452 } else {
2453 /* resume phase */
2454 int i;
2455 status = 0;
2456 for (i = 0; i < chip->ncodecs; i++)
2457 if (chip->ac97[i])
2458 status |= chip->codec_bit[chip->ac97_sdin[i]];
2459 /* wait until all the probed codecs are ready */
2460 end_time = jiffies + HZ;
2461 do {
2462 nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2463 chip->codec_isr_bits;
2464 if (status == nstatus)
2465 break;
2466 schedule_timeout_uninterruptible(1);
2467 } while (time_after_eq(end_time, jiffies));
2468 }
2469
2470 if (chip->device_type == DEVICE_SIS) {
2471 /* unmute the output on SIS7012 */
2472 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2473 }
2474 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2475 /* enable SPDIF interrupt */
2476 unsigned int val;
2477 pci_read_config_dword(chip->pci, 0x4c, &val);
2478 val |= 0x1000000;
2479 pci_write_config_dword(chip->pci, 0x4c, val);
2480 }
2481 return 0;
2482}
2483
2484static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2485{
2486 u32 reg;
2487 int i = 0;
2488
2489 reg = igetdword(chip, ICHREG(ALI_SCR));
2490 if ((reg & 2) == 0) /* Cold required */
2491 reg |= 2;
2492 else
2493 reg |= 1; /* Warm */
2494 reg &= ~0x80000000; /* ACLink on */
2495 iputdword(chip, ICHREG(ALI_SCR), reg);
2496
2497 for (i = 0; i < HZ / 2; i++) {
2498 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2499 goto __ok;
2500 schedule_timeout_uninterruptible(1);
2501 }
2502 dev_err(chip->card->dev, "AC'97 reset failed.\n");
2503 if (probing)
2504 return -EIO;
2505
2506 __ok:
2507 for (i = 0; i < HZ / 2; i++) {
2508 reg = igetdword(chip, ICHREG(ALI_RTSR));
2509 if (reg & 0x80) /* primary codec */
2510 break;
2511 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2512 schedule_timeout_uninterruptible(1);
2513 }
2514
2515 do_ali_reset(chip);
2516 return 0;
2517}
2518
2519static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2520{
2521 unsigned int i, timeout;
2522 int err;
2523
2524 if (chip->device_type != DEVICE_ALI) {
2525 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2526 return err;
2527 iagetword(chip, 0); /* clear semaphore flag */
2528 } else {
2529 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2530 return err;
2531 }
2532
2533 /* disable interrupts */
2534 for (i = 0; i < chip->bdbars_count; i++)
2535 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2536 /* reset channels */
2537 for (i = 0; i < chip->bdbars_count; i++)
2538 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2539 for (i = 0; i < chip->bdbars_count; i++) {
2540 timeout = 100000;
2541 while (--timeout != 0) {
2542 if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2543 break;
2544 }
2545 if (timeout == 0)
2546 dev_err(chip->card->dev, "reset of registers failed?\n");
2547 }
2548 /* initialize Buffer Descriptor Lists */
2549 for (i = 0; i < chip->bdbars_count; i++)
2550 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2551 chip->ichd[i].bdbar_addr);
2552 return 0;
2553}
2554
2555static int snd_intel8x0_free(struct intel8x0 *chip)
2556{
2557 unsigned int i;
2558
2559 if (chip->irq < 0)
2560 goto __hw_end;
2561 /* disable interrupts */
2562 for (i = 0; i < chip->bdbars_count; i++)
2563 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2564 /* reset channels */
2565 for (i = 0; i < chip->bdbars_count; i++)
2566 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2567 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2568 /* stop the spdif interrupt */
2569 unsigned int val;
2570 pci_read_config_dword(chip->pci, 0x4c, &val);
2571 val &= ~0x1000000;
2572 pci_write_config_dword(chip->pci, 0x4c, val);
2573 }
2574 /* --- */
2575
2576 __hw_end:
2577 if (chip->irq >= 0)
2578 free_irq(chip->irq, chip);
2579 if (chip->bdbars.area)
2580 snd_dma_free_pages(&chip->bdbars);
2581 if (chip->addr)
2582 pci_iounmap(chip->pci, chip->addr);
2583 if (chip->bmaddr)
2584 pci_iounmap(chip->pci, chip->bmaddr);
2585 pci_release_regions(chip->pci);
2586 pci_disable_device(chip->pci);
2587 kfree(chip);
2588 return 0;
2589}
2590
2591#ifdef CONFIG_PM_SLEEP
2592/*
2593 * power management
2594 */
2595static int intel8x0_suspend(struct device *dev)
2596{
2597 struct snd_card *card = dev_get_drvdata(dev);
2598 struct intel8x0 *chip = card->private_data;
2599 int i;
2600
2601 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2602 for (i = 0; i < chip->ncodecs; i++)
2603 snd_ac97_suspend(chip->ac97[i]);
2604 if (chip->device_type == DEVICE_INTEL_ICH4)
2605 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2606
2607 if (chip->irq >= 0) {
2608 free_irq(chip->irq, chip);
2609 chip->irq = -1;
2610 }
2611 return 0;
2612}
2613
2614static int intel8x0_resume(struct device *dev)
2615{
2616 struct pci_dev *pci = to_pci_dev(dev);
2617 struct snd_card *card = dev_get_drvdata(dev);
2618 struct intel8x0 *chip = card->private_data;
2619 int i;
2620
2621 snd_intel8x0_chip_init(chip, 0);
2622 if (request_irq(pci->irq, snd_intel8x0_interrupt,
2623 IRQF_SHARED, KBUILD_MODNAME, chip)) {
2624 dev_err(dev, "unable to grab IRQ %d, disabling device\n",
2625 pci->irq);
2626 snd_card_disconnect(card);
2627 return -EIO;
2628 }
2629 chip->irq = pci->irq;
2630 synchronize_irq(chip->irq);
2631
2632 /* re-initialize mixer stuff */
2633 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2634 /* enable separate SDINs for ICH4 */
2635 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2636 /* use slot 10/11 for SPDIF */
2637 iputdword(chip, ICHREG(GLOB_CNT),
2638 (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2639 ICH_PCM_SPDIF_1011);
2640 }
2641
2642 for (i = 0; i < chip->ncodecs; i++)
2643 snd_ac97_resume(chip->ac97[i]);
2644
2645 /* resume status */
2646 for (i = 0; i < chip->bdbars_count; i++) {
2647 struct ichdev *ichdev = &chip->ichd[i];
2648 unsigned long port = ichdev->reg_offset;
2649 if (! ichdev->substream || ! ichdev->suspended)
2650 continue;
2651 if (ichdev->ichd == ICHD_PCMOUT)
2652 snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2653 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2654 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2655 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2656 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2657 }
2658
2659 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2660 return 0;
2661}
2662
2663static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
2664#define INTEL8X0_PM_OPS &intel8x0_pm
2665#else
2666#define INTEL8X0_PM_OPS NULL
2667#endif /* CONFIG_PM_SLEEP */
2668
2669#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */
2670
2671static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2672{
2673 struct snd_pcm_substream *subs;
2674 struct ichdev *ichdev;
2675 unsigned long port;
2676 unsigned long pos, pos1, t;
2677 int civ, timeout = 1000, attempt = 1;
2678 ktime_t start_time, stop_time;
2679
2680 if (chip->ac97_bus->clock != 48000)
2681 return; /* specified in module option */
2682
2683 __again:
2684 subs = chip->pcm[0]->streams[0].substream;
2685 if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2686 dev_warn(chip->card->dev,
2687 "no playback buffer allocated - aborting measure ac97 clock\n");
2688 return;
2689 }
2690 ichdev = &chip->ichd[ICHD_PCMOUT];
2691 ichdev->physbuf = subs->dma_buffer.addr;
2692 ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2693 ichdev->substream = NULL; /* don't process interrupts */
2694
2695 /* set rate */
2696 if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2697 dev_err(chip->card->dev, "cannot set ac97 rate: clock = %d\n",
2698 chip->ac97_bus->clock);
2699 return;
2700 }
2701 snd_intel8x0_setup_periods(chip, ichdev);
2702 port = ichdev->reg_offset;
2703 spin_lock_irq(&chip->reg_lock);
2704 chip->in_measurement = 1;
2705 /* trigger */
2706 if (chip->device_type != DEVICE_ALI)
2707 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2708 else {
2709 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2710 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2711 }
2712 start_time = ktime_get();
2713 spin_unlock_irq(&chip->reg_lock);
2714 msleep(50);
2715 spin_lock_irq(&chip->reg_lock);
2716 /* check the position */
2717 do {
2718 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2719 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2720 if (pos1 == 0) {
2721 udelay(10);
2722 continue;
2723 }
2724 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2725 pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2726 break;
2727 } while (timeout--);
2728 if (pos1 == 0) { /* oops, this value is not reliable */
2729 pos = 0;
2730 } else {
2731 pos = ichdev->fragsize1;
2732 pos -= pos1 << ichdev->pos_shift;
2733 pos += ichdev->position;
2734 }
2735 chip->in_measurement = 0;
2736 stop_time = ktime_get();
2737 /* stop */
2738 if (chip->device_type == DEVICE_ALI) {
2739 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2740 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2741 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2742 ;
2743 } else {
2744 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2745 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2746 ;
2747 }
2748 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2749 spin_unlock_irq(&chip->reg_lock);
2750
2751 if (pos == 0) {
2752 dev_err(chip->card->dev,
2753 "measure - unreliable DMA position..\n");
2754 __retry:
2755 if (attempt < 3) {
2756 msleep(300);
2757 attempt++;
2758 goto __again;
2759 }
2760 goto __end;
2761 }
2762
2763 pos /= 4;
2764 t = ktime_us_delta(stop_time, start_time);
2765 dev_info(chip->card->dev,
2766 "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2767 if (t == 0) {
2768 dev_err(chip->card->dev, "?? calculation error..\n");
2769 goto __retry;
2770 }
2771 pos *= 1000;
2772 pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2773 if (pos < 40000 || pos >= 60000) {
2774 /* abnormal value. hw problem? */
2775 dev_info(chip->card->dev, "measured clock %ld rejected\n", pos);
2776 goto __retry;
2777 } else if (pos > 40500 && pos < 41500)
2778 /* first exception - 41000Hz reference clock */
2779 chip->ac97_bus->clock = 41000;
2780 else if (pos > 43600 && pos < 44600)
2781 /* second exception - 44100HZ reference clock */
2782 chip->ac97_bus->clock = 44100;
2783 else if (pos < 47500 || pos > 48500)
2784 /* not 48000Hz, tuning the clock.. */
2785 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2786 __end:
2787 dev_info(chip->card->dev, "clocking to %d\n", chip->ac97_bus->clock);
2788 snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2789}
2790
2791static struct snd_pci_quirk intel8x0_clock_list[] = {
2792 SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2793 SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
2794 SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2795 SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2796 SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2797 SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2798 { } /* terminator */
2799};
2800
2801static int intel8x0_in_clock_list(struct intel8x0 *chip)
2802{
2803 struct pci_dev *pci = chip->pci;
2804 const struct snd_pci_quirk *wl;
2805
2806 wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2807 if (!wl)
2808 return 0;
2809 dev_info(chip->card->dev, "white list rate for %04x:%04x is %i\n",
2810 pci->subsystem_vendor, pci->subsystem_device, wl->value);
2811 chip->ac97_bus->clock = wl->value;
2812 return 1;
2813}
2814
2815static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2816 struct snd_info_buffer *buffer)
2817{
2818 struct intel8x0 *chip = entry->private_data;
2819 unsigned int tmp;
2820
2821 snd_iprintf(buffer, "Intel8x0\n\n");
2822 if (chip->device_type == DEVICE_ALI)
2823 return;
2824 tmp = igetdword(chip, ICHREG(GLOB_STA));
2825 snd_iprintf(buffer, "Global control : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2826 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp);
2827 if (chip->device_type == DEVICE_INTEL_ICH4)
2828 snd_iprintf(buffer, "SDM : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2829 snd_iprintf(buffer, "AC'97 codecs ready :");
2830 if (tmp & chip->codec_isr_bits) {
2831 int i;
2832 static const char *codecs[3] = {
2833 "primary", "secondary", "tertiary"
2834 };
2835 for (i = 0; i < chip->max_codecs; i++)
2836 if (tmp & chip->codec_bit[i])
2837 snd_iprintf(buffer, " %s", codecs[i]);
2838 } else
2839 snd_iprintf(buffer, " none");
2840 snd_iprintf(buffer, "\n");
2841 if (chip->device_type == DEVICE_INTEL_ICH4 ||
2842 chip->device_type == DEVICE_SIS)
2843 snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n",
2844 chip->ac97_sdin[0],
2845 chip->ac97_sdin[1],
2846 chip->ac97_sdin[2]);
2847}
2848
2849static void snd_intel8x0_proc_init(struct intel8x0 *chip)
2850{
2851 snd_card_ro_proc_new(chip->card, "intel8x0", chip,
2852 snd_intel8x0_proc_read);
2853}
2854
2855static int snd_intel8x0_dev_free(struct snd_device *device)
2856{
2857 struct intel8x0 *chip = device->device_data;
2858 return snd_intel8x0_free(chip);
2859}
2860
2861struct ich_reg_info {
2862 unsigned int int_sta_mask;
2863 unsigned int offset;
2864};
2865
2866static unsigned int ich_codec_bits[3] = {
2867 ICH_PCR, ICH_SCR, ICH_TCR
2868};
2869static unsigned int sis_codec_bits[3] = {
2870 ICH_PCR, ICH_SCR, ICH_SIS_TCR
2871};
2872
2873static int snd_intel8x0_inside_vm(struct pci_dev *pci)
2874{
2875 int result = inside_vm;
2876 char *msg = NULL;
2877
2878 /* check module parameter first (override detection) */
2879 if (result >= 0) {
2880 msg = result ? "enable (forced) VM" : "disable (forced) VM";
2881 goto fini;
2882 }
2883
2884 /* check for known (emulated) devices */
2885 result = 0;
2886 if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
2887 pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) {
2888 /* KVM emulated sound, PCI SSID: 1af4:1100 */
2889 msg = "enable KVM";
2890 result = 1;
2891 } else if (pci->subsystem_vendor == 0x1ab8) {
2892 /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
2893 msg = "enable Parallels VM";
2894 result = 1;
2895 }
2896
2897fini:
2898 if (msg != NULL)
2899 dev_info(&pci->dev, "%s optimization\n", msg);
2900
2901 return result;
2902}
2903
2904static int snd_intel8x0_create(struct snd_card *card,
2905 struct pci_dev *pci,
2906 unsigned long device_type,
2907 struct intel8x0 **r_intel8x0)
2908{
2909 struct intel8x0 *chip;
2910 int err;
2911 unsigned int i;
2912 unsigned int int_sta_masks;
2913 struct ichdev *ichdev;
2914 static struct snd_device_ops ops = {
2915 .dev_free = snd_intel8x0_dev_free,
2916 };
2917
2918 static unsigned int bdbars[] = {
2919 3, /* DEVICE_INTEL */
2920 6, /* DEVICE_INTEL_ICH4 */
2921 3, /* DEVICE_SIS */
2922 6, /* DEVICE_ALI */
2923 4, /* DEVICE_NFORCE */
2924 };
2925 static struct ich_reg_info intel_regs[6] = {
2926 { ICH_PIINT, 0 },
2927 { ICH_POINT, 0x10 },
2928 { ICH_MCINT, 0x20 },
2929 { ICH_M2INT, 0x40 },
2930 { ICH_P2INT, 0x50 },
2931 { ICH_SPINT, 0x60 },
2932 };
2933 static struct ich_reg_info nforce_regs[4] = {
2934 { ICH_PIINT, 0 },
2935 { ICH_POINT, 0x10 },
2936 { ICH_MCINT, 0x20 },
2937 { ICH_NVSPINT, 0x70 },
2938 };
2939 static struct ich_reg_info ali_regs[6] = {
2940 { ALI_INT_PCMIN, 0x40 },
2941 { ALI_INT_PCMOUT, 0x50 },
2942 { ALI_INT_MICIN, 0x60 },
2943 { ALI_INT_CODECSPDIFOUT, 0x70 },
2944 { ALI_INT_SPDIFIN, 0xa0 },
2945 { ALI_INT_SPDIFOUT, 0xb0 },
2946 };
2947 struct ich_reg_info *tbl;
2948
2949 *r_intel8x0 = NULL;
2950
2951 if ((err = pci_enable_device(pci)) < 0)
2952 return err;
2953
2954 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2955 if (chip == NULL) {
2956 pci_disable_device(pci);
2957 return -ENOMEM;
2958 }
2959 spin_lock_init(&chip->reg_lock);
2960 chip->device_type = device_type;
2961 chip->card = card;
2962 chip->pci = pci;
2963 chip->irq = -1;
2964
2965 /* module parameters */
2966 chip->buggy_irq = buggy_irq;
2967 chip->buggy_semaphore = buggy_semaphore;
2968 if (xbox)
2969 chip->xbox = 1;
2970
2971 chip->inside_vm = snd_intel8x0_inside_vm(pci);
2972
2973 /*
2974 * Intel 82443MX running a 100MHz processor system bus has a hardware
2975 * bug, which aborts PCI busmaster for audio transfer. A workaround
2976 * is to set the pages as non-cached. For details, see the errata in
2977 * http://download.intel.com/design/chipsets/specupdt/24505108.pdf
2978 */
2979 if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2980 pci->device == PCI_DEVICE_ID_INTEL_440MX)
2981 chip->fix_nocache = 1; /* enable workaround */
2982
2983 if ((err = pci_request_regions(pci, card->shortname)) < 0) {
2984 kfree(chip);
2985 pci_disable_device(pci);
2986 return err;
2987 }
2988
2989 if (device_type == DEVICE_ALI) {
2990 /* ALI5455 has no ac97 region */
2991 chip->bmaddr = pci_iomap(pci, 0, 0);
2992 goto port_inited;
2993 }
2994
2995 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
2996 chip->addr = pci_iomap(pci, 2, 0);
2997 else
2998 chip->addr = pci_iomap(pci, 0, 0);
2999 if (!chip->addr) {
3000 dev_err(card->dev, "AC'97 space ioremap problem\n");
3001 snd_intel8x0_free(chip);
3002 return -EIO;
3003 }
3004 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
3005 chip->bmaddr = pci_iomap(pci, 3, 0);
3006 else
3007 chip->bmaddr = pci_iomap(pci, 1, 0);
3008
3009 port_inited:
3010 if (!chip->bmaddr) {
3011 dev_err(card->dev, "Controller space ioremap problem\n");
3012 snd_intel8x0_free(chip);
3013 return -EIO;
3014 }
3015 chip->bdbars_count = bdbars[device_type];
3016
3017 /* initialize offsets */
3018 switch (device_type) {
3019 case DEVICE_NFORCE:
3020 tbl = nforce_regs;
3021 break;
3022 case DEVICE_ALI:
3023 tbl = ali_regs;
3024 break;
3025 default:
3026 tbl = intel_regs;
3027 break;
3028 }
3029 for (i = 0; i < chip->bdbars_count; i++) {
3030 ichdev = &chip->ichd[i];
3031 ichdev->ichd = i;
3032 ichdev->reg_offset = tbl[i].offset;
3033 ichdev->int_sta_mask = tbl[i].int_sta_mask;
3034 if (device_type == DEVICE_SIS) {
3035 /* SiS 7012 swaps the registers */
3036 ichdev->roff_sr = ICH_REG_OFF_PICB;
3037 ichdev->roff_picb = ICH_REG_OFF_SR;
3038 } else {
3039 ichdev->roff_sr = ICH_REG_OFF_SR;
3040 ichdev->roff_picb = ICH_REG_OFF_PICB;
3041 }
3042 if (device_type == DEVICE_ALI)
3043 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3044 /* SIS7012 handles the pcm data in bytes, others are in samples */
3045 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3046 }
3047
3048 /* allocate buffer descriptor lists */
3049 /* the start of each lists must be aligned to 8 bytes */
3050 if (snd_dma_alloc_pages(intel8x0_dma_type(chip), snd_dma_pci_data(pci),
3051 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3052 &chip->bdbars) < 0) {
3053 snd_intel8x0_free(chip);
3054 dev_err(card->dev, "cannot allocate buffer descriptors\n");
3055 return -ENOMEM;
3056 }
3057 /* tables must be aligned to 8 bytes here, but the kernel pages
3058 are much bigger, so we don't care (on i386) */
3059 int_sta_masks = 0;
3060 for (i = 0; i < chip->bdbars_count; i++) {
3061 ichdev = &chip->ichd[i];
3062 ichdev->bdbar = ((__le32 *)chip->bdbars.area) +
3063 (i * ICH_MAX_FRAGS * 2);
3064 ichdev->bdbar_addr = chip->bdbars.addr +
3065 (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3066 int_sta_masks |= ichdev->int_sta_mask;
3067 }
3068 chip->int_sta_reg = device_type == DEVICE_ALI ?
3069 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3070 chip->int_sta_mask = int_sta_masks;
3071
3072 pci_set_master(pci);
3073
3074 switch(chip->device_type) {
3075 case DEVICE_INTEL_ICH4:
3076 /* ICH4 can have three codecs */
3077 chip->max_codecs = 3;
3078 chip->codec_bit = ich_codec_bits;
3079 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3080 break;
3081 case DEVICE_SIS:
3082 /* recent SIS7012 can have three codecs */
3083 chip->max_codecs = 3;
3084 chip->codec_bit = sis_codec_bits;
3085 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3086 break;
3087 default:
3088 /* others up to two codecs */
3089 chip->max_codecs = 2;
3090 chip->codec_bit = ich_codec_bits;
3091 chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3092 break;
3093 }
3094 for (i = 0; i < chip->max_codecs; i++)
3095 chip->codec_isr_bits |= chip->codec_bit[i];
3096
3097 if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3098 snd_intel8x0_free(chip);
3099 return err;
3100 }
3101
3102 /* request irq after initializaing int_sta_mask, etc */
3103 if (request_irq(pci->irq, snd_intel8x0_interrupt,
3104 IRQF_SHARED, KBUILD_MODNAME, chip)) {
3105 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
3106 snd_intel8x0_free(chip);
3107 return -EBUSY;
3108 }
3109 chip->irq = pci->irq;
3110
3111 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3112 snd_intel8x0_free(chip);
3113 return err;
3114 }
3115
3116 *r_intel8x0 = chip;
3117 return 0;
3118}
3119
3120static struct shortname_table {
3121 unsigned int id;
3122 const char *s;
3123} shortnames[] = {
3124 { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3125 { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3126 { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3127 { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3128 { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3129 { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3130 { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3131 { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3132 { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3133 { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3134 { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3135 { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3136 { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3137 { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3138 { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3139 { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3140 { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3141 { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3142 { 0x003a, "NVidia MCP04" },
3143 { 0x746d, "AMD AMD8111" },
3144 { 0x7445, "AMD AMD768" },
3145 { 0x5455, "ALi M5455" },
3146 { 0, NULL },
3147};
3148
3149static struct snd_pci_quirk spdif_aclink_defaults[] = {
3150 SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3151 { } /* end */
3152};
3153
3154/* look up white/black list for SPDIF over ac-link */
3155static int check_default_spdif_aclink(struct pci_dev *pci)
3156{
3157 const struct snd_pci_quirk *w;
3158
3159 w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3160 if (w) {
3161 if (w->value)
3162 dev_dbg(&pci->dev,
3163 "Using SPDIF over AC-Link for %s\n",
3164 snd_pci_quirk_name(w));
3165 else
3166 dev_dbg(&pci->dev,
3167 "Using integrated SPDIF DMA for %s\n",
3168 snd_pci_quirk_name(w));
3169 return w->value;
3170 }
3171 return 0;
3172}
3173
3174static int snd_intel8x0_probe(struct pci_dev *pci,
3175 const struct pci_device_id *pci_id)
3176{
3177 struct snd_card *card;
3178 struct intel8x0 *chip;
3179 int err;
3180 struct shortname_table *name;
3181
3182 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
3183 if (err < 0)
3184 return err;
3185
3186 if (spdif_aclink < 0)
3187 spdif_aclink = check_default_spdif_aclink(pci);
3188
3189 strcpy(card->driver, "ICH");
3190 if (!spdif_aclink) {
3191 switch (pci_id->driver_data) {
3192 case DEVICE_NFORCE:
3193 strcpy(card->driver, "NFORCE");
3194 break;
3195 case DEVICE_INTEL_ICH4:
3196 strcpy(card->driver, "ICH4");
3197 }
3198 }
3199
3200 strcpy(card->shortname, "Intel ICH");
3201 for (name = shortnames; name->id; name++) {
3202 if (pci->device == name->id) {
3203 strcpy(card->shortname, name->s);
3204 break;
3205 }
3206 }
3207
3208 if (buggy_irq < 0) {
3209 /* some Nforce[2] and ICH boards have problems with IRQ handling.
3210 * Needs to return IRQ_HANDLED for unknown irqs.
3211 */
3212 if (pci_id->driver_data == DEVICE_NFORCE)
3213 buggy_irq = 1;
3214 else
3215 buggy_irq = 0;
3216 }
3217
3218 if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3219 &chip)) < 0) {
3220 snd_card_free(card);
3221 return err;
3222 }
3223 card->private_data = chip;
3224
3225 if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3226 snd_card_free(card);
3227 return err;
3228 }
3229 if ((err = snd_intel8x0_pcm(chip)) < 0) {
3230 snd_card_free(card);
3231 return err;
3232 }
3233
3234 snd_intel8x0_proc_init(chip);
3235
3236 snprintf(card->longname, sizeof(card->longname),
3237 "%s with %s at irq %i", card->shortname,
3238 snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3239
3240 if (ac97_clock == 0 || ac97_clock == 1) {
3241 if (ac97_clock == 0) {
3242 if (intel8x0_in_clock_list(chip) == 0)
3243 intel8x0_measure_ac97_clock(chip);
3244 } else {
3245 intel8x0_measure_ac97_clock(chip);
3246 }
3247 }
3248
3249 if ((err = snd_card_register(card)) < 0) {
3250 snd_card_free(card);
3251 return err;
3252 }
3253 pci_set_drvdata(pci, card);
3254 return 0;
3255}
3256
3257static void snd_intel8x0_remove(struct pci_dev *pci)
3258{
3259 snd_card_free(pci_get_drvdata(pci));
3260}
3261
3262static struct pci_driver intel8x0_driver = {
3263 .name = KBUILD_MODNAME,
3264 .id_table = snd_intel8x0_ids,
3265 .probe = snd_intel8x0_probe,
3266 .remove = snd_intel8x0_remove,
3267 .driver = {
3268 .pm = INTEL8X0_PM_OPS,
3269 },
3270};
3271
3272module_pci_driver(intel8x0_driver);
1/*
2 * ALSA driver for Intel ICH (i8x0) chipsets
3 *
4 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
5 *
6 *
7 * This code also contains alpha support for SiS 735 chipsets provided
8 * by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet
9 * for SiS735, so the code is not fully functional.
10 *
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25
26 *
27 */
28
29#include <asm/io.h>
30#include <linux/delay.h>
31#include <linux/interrupt.h>
32#include <linux/init.h>
33#include <linux/pci.h>
34#include <linux/slab.h>
35#include <linux/module.h>
36#include <sound/core.h>
37#include <sound/pcm.h>
38#include <sound/ac97_codec.h>
39#include <sound/info.h>
40#include <sound/initval.h>
41/* for 440MX workaround */
42#include <asm/pgtable.h>
43#include <asm/cacheflush.h>
44
45#ifdef CONFIG_KVM_GUEST
46#include <linux/kvm_para.h>
47#else
48#define kvm_para_available() (0)
49#endif
50
51MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
52MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
53MODULE_LICENSE("GPL");
54MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
55 "{Intel,82901AB-ICH0},"
56 "{Intel,82801BA-ICH2},"
57 "{Intel,82801CA-ICH3},"
58 "{Intel,82801DB-ICH4},"
59 "{Intel,ICH5},"
60 "{Intel,ICH6},"
61 "{Intel,ICH7},"
62 "{Intel,6300ESB},"
63 "{Intel,ESB2},"
64 "{Intel,MX440},"
65 "{SiS,SI7012},"
66 "{NVidia,nForce Audio},"
67 "{NVidia,nForce2 Audio},"
68 "{NVidia,nForce3 Audio},"
69 "{NVidia,MCP04},"
70 "{NVidia,MCP501},"
71 "{NVidia,CK804},"
72 "{NVidia,CK8},"
73 "{NVidia,CK8S},"
74 "{AMD,AMD768},"
75 "{AMD,AMD8111},"
76 "{ALI,M5455}}");
77
78static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
79static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
80static int ac97_clock;
81static char *ac97_quirk;
82static bool buggy_semaphore;
83static int buggy_irq = -1; /* auto-check */
84static bool xbox;
85static int spdif_aclink = -1;
86static int inside_vm = -1;
87
88module_param(index, int, 0444);
89MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
90module_param(id, charp, 0444);
91MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
92module_param(ac97_clock, int, 0444);
93MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
94module_param(ac97_quirk, charp, 0444);
95MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
96module_param(buggy_semaphore, bool, 0444);
97MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
98module_param(buggy_irq, bint, 0444);
99MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
100module_param(xbox, bool, 0444);
101MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
102module_param(spdif_aclink, int, 0444);
103MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
104module_param(inside_vm, bint, 0444);
105MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization.");
106
107/* just for backward compatibility */
108static bool enable;
109module_param(enable, bool, 0444);
110static int joystick;
111module_param(joystick, int, 0444);
112
113/*
114 * Direct registers
115 */
116enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
117
118#define ICHREG(x) ICH_REG_##x
119
120#define DEFINE_REGSET(name,base) \
121enum { \
122 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \
123 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \
124 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \
125 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \
126 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \
127 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \
128 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \
129};
130
131/* busmaster blocks */
132DEFINE_REGSET(OFF, 0); /* offset */
133DEFINE_REGSET(PI, 0x00); /* PCM in */
134DEFINE_REGSET(PO, 0x10); /* PCM out */
135DEFINE_REGSET(MC, 0x20); /* Mic in */
136
137/* ICH4 busmaster blocks */
138DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */
139DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */
140DEFINE_REGSET(SP, 0x60); /* SPDIF out */
141
142/* values for each busmaster block */
143
144/* LVI */
145#define ICH_REG_LVI_MASK 0x1f
146
147/* SR */
148#define ICH_FIFOE 0x10 /* FIFO error */
149#define ICH_BCIS 0x08 /* buffer completion interrupt status */
150#define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */
151#define ICH_CELV 0x02 /* current equals last valid */
152#define ICH_DCH 0x01 /* DMA controller halted */
153
154/* PIV */
155#define ICH_REG_PIV_MASK 0x1f /* mask */
156
157/* CR */
158#define ICH_IOCE 0x10 /* interrupt on completion enable */
159#define ICH_FEIE 0x08 /* fifo error interrupt enable */
160#define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */
161#define ICH_RESETREGS 0x02 /* reset busmaster registers */
162#define ICH_STARTBM 0x01 /* start busmaster operation */
163
164
165/* global block */
166#define ICH_REG_GLOB_CNT 0x2c /* dword - global control */
167#define ICH_PCM_SPDIF_MASK 0xc0000000 /* s/pdif pcm slot mask (ICH4) */
168#define ICH_PCM_SPDIF_NONE 0x00000000 /* reserved - undefined */
169#define ICH_PCM_SPDIF_78 0x40000000 /* s/pdif pcm on slots 7&8 */
170#define ICH_PCM_SPDIF_69 0x80000000 /* s/pdif pcm on slots 6&9 */
171#define ICH_PCM_SPDIF_1011 0xc0000000 /* s/pdif pcm on slots 10&11 */
172#define ICH_PCM_20BIT 0x00400000 /* 20-bit samples (ICH4) */
173#define ICH_PCM_246_MASK 0x00300000 /* chan mask (not all chips) */
174#define ICH_PCM_8 0x00300000 /* 8 channels (not all chips) */
175#define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */
176#define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */
177#define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */
178#define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */
179#define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */
180#define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */
181#define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */
182#define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */
183#define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */
184#define ICH_PRIE 0x00000010 /* primary resume interrupt enable */
185#define ICH_ACLINK 0x00000008 /* AClink shut off */
186#define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */
187#define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */
188#define ICH_GIE 0x00000001 /* GPI interrupt enable */
189#define ICH_REG_GLOB_STA 0x30 /* dword - global status */
190#define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */
191#define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */
192#define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */
193#define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */
194#define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */
195#define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */
196#define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */
197#define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */
198#define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */
199#define ICH_SIS_TRI 0x00080000 /* SIS: tertiary resume irq */
200#define ICH_SIS_TCR 0x00040000 /* SIS: tertiary codec ready */
201#define ICH_MD3 0x00020000 /* modem power down semaphore */
202#define ICH_AD3 0x00010000 /* audio power down semaphore */
203#define ICH_RCS 0x00008000 /* read completion status */
204#define ICH_BIT3 0x00004000 /* bit 3 slot 12 */
205#define ICH_BIT2 0x00002000 /* bit 2 slot 12 */
206#define ICH_BIT1 0x00001000 /* bit 1 slot 12 */
207#define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */
208#define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */
209#define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */
210#define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */
211#define ICH_MCINT 0x00000080 /* MIC capture interrupt */
212#define ICH_POINT 0x00000040 /* playback interrupt */
213#define ICH_PIINT 0x00000020 /* capture interrupt */
214#define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */
215#define ICH_MOINT 0x00000004 /* modem playback interrupt */
216#define ICH_MIINT 0x00000002 /* modem capture interrupt */
217#define ICH_GSCI 0x00000001 /* GPI status change interrupt */
218#define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */
219#define ICH_CAS 0x01 /* codec access semaphore */
220#define ICH_REG_SDM 0x80
221#define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */
222#define ICH_DI2L_SHIFT 6
223#define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */
224#define ICH_DI1L_SHIFT 4
225#define ICH_SE 0x00000008 /* steer enable */
226#define ICH_LDI_MASK 0x00000003 /* last codec read data input */
227
228#define ICH_MAX_FRAGS 32 /* max hw frags */
229
230
231/*
232 * registers for Ali5455
233 */
234
235/* ALi 5455 busmaster blocks */
236DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */
237DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */
238DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */
239DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */
240DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */
241DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */
242DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */
243DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */
244DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */
245DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */
246DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */
247
248enum {
249 ICH_REG_ALI_SCR = 0x00, /* System Control Register */
250 ICH_REG_ALI_SSR = 0x04, /* System Status Register */
251 ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */
252 ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */
253 ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
254 ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
255 ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */
256 ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */
257 ICH_REG_ALI_CPR = 0x20, /* Command Port Register */
258 ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */
259 ICH_REG_ALI_SPR = 0x24, /* Status Port Register */
260 ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */
261 ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */
262 ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */
263 ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */
264 ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */
265 ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */
266 ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */
267 ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */
268 ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */
269 ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */
270};
271
272#define ALI_CAS_SEM_BUSY 0x80000000
273#define ALI_CPR_ADDR_SECONDARY 0x100
274#define ALI_CPR_ADDR_READ 0x80
275#define ALI_CSPSR_CODEC_READY 0x08
276#define ALI_CSPSR_READ_OK 0x02
277#define ALI_CSPSR_WRITE_OK 0x01
278
279/* interrupts for the whole chip by interrupt status register finish */
280
281#define ALI_INT_MICIN2 (1<<26)
282#define ALI_INT_PCMIN2 (1<<25)
283#define ALI_INT_I2SIN (1<<24)
284#define ALI_INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */
285#define ALI_INT_SPDIFIN (1<<22)
286#define ALI_INT_LFEOUT (1<<21)
287#define ALI_INT_CENTEROUT (1<<20)
288#define ALI_INT_CODECSPDIFOUT (1<<19)
289#define ALI_INT_MICIN (1<<18)
290#define ALI_INT_PCMOUT (1<<17)
291#define ALI_INT_PCMIN (1<<16)
292#define ALI_INT_CPRAIS (1<<7) /* command port available */
293#define ALI_INT_SPRAIS (1<<5) /* status port available */
294#define ALI_INT_GPIO (1<<1)
295#define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
296 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
297
298#define ICH_ALI_SC_RESET (1<<31) /* master reset */
299#define ICH_ALI_SC_AC97_DBL (1<<30)
300#define ICH_ALI_SC_CODEC_SPDF (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
301#define ICH_ALI_SC_IN_BITS (3<<18)
302#define ICH_ALI_SC_OUT_BITS (3<<16)
303#define ICH_ALI_SC_6CH_CFG (3<<14)
304#define ICH_ALI_SC_PCM_4 (1<<8)
305#define ICH_ALI_SC_PCM_6 (2<<8)
306#define ICH_ALI_SC_PCM_246_MASK (3<<8)
307
308#define ICH_ALI_SS_SEC_ID (3<<5)
309#define ICH_ALI_SS_PRI_ID (3<<3)
310
311#define ICH_ALI_IF_AC97SP (1<<21)
312#define ICH_ALI_IF_MC (1<<20)
313#define ICH_ALI_IF_PI (1<<19)
314#define ICH_ALI_IF_MC2 (1<<18)
315#define ICH_ALI_IF_PI2 (1<<17)
316#define ICH_ALI_IF_LINE_SRC (1<<15) /* 0/1 = slot 3/6 */
317#define ICH_ALI_IF_MIC_SRC (1<<14) /* 0/1 = slot 3/6 */
318#define ICH_ALI_IF_SPDF_SRC (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
319#define ICH_ALI_IF_AC97_OUT (3<<8) /* 00 = PCM, 10 = spdif-in, 11 = i2s */
320#define ICH_ALI_IF_PO_SPDF (1<<3)
321#define ICH_ALI_IF_PO (1<<1)
322
323/*
324 *
325 */
326
327enum {
328 ICHD_PCMIN,
329 ICHD_PCMOUT,
330 ICHD_MIC,
331 ICHD_MIC2,
332 ICHD_PCM2IN,
333 ICHD_SPBAR,
334 ICHD_LAST = ICHD_SPBAR
335};
336enum {
337 NVD_PCMIN,
338 NVD_PCMOUT,
339 NVD_MIC,
340 NVD_SPBAR,
341 NVD_LAST = NVD_SPBAR
342};
343enum {
344 ALID_PCMIN,
345 ALID_PCMOUT,
346 ALID_MIC,
347 ALID_AC97SPDIFOUT,
348 ALID_SPDIFIN,
349 ALID_SPDIFOUT,
350 ALID_LAST = ALID_SPDIFOUT
351};
352
353#define get_ichdev(substream) (substream->runtime->private_data)
354
355struct ichdev {
356 unsigned int ichd; /* ich device number */
357 unsigned long reg_offset; /* offset to bmaddr */
358 u32 *bdbar; /* CPU address (32bit) */
359 unsigned int bdbar_addr; /* PCI bus address (32bit) */
360 struct snd_pcm_substream *substream;
361 unsigned int physbuf; /* physical address (32bit) */
362 unsigned int size;
363 unsigned int fragsize;
364 unsigned int fragsize1;
365 unsigned int position;
366 unsigned int pos_shift;
367 unsigned int last_pos;
368 int frags;
369 int lvi;
370 int lvi_frag;
371 int civ;
372 int ack;
373 int ack_reload;
374 unsigned int ack_bit;
375 unsigned int roff_sr;
376 unsigned int roff_picb;
377 unsigned int int_sta_mask; /* interrupt status mask */
378 unsigned int ali_slot; /* ALI DMA slot */
379 struct ac97_pcm *pcm;
380 int pcm_open_flag;
381 unsigned int page_attr_changed: 1;
382 unsigned int suspended: 1;
383};
384
385struct intel8x0 {
386 unsigned int device_type;
387
388 int irq;
389
390 void __iomem *addr;
391 void __iomem *bmaddr;
392
393 struct pci_dev *pci;
394 struct snd_card *card;
395
396 int pcm_devs;
397 struct snd_pcm *pcm[6];
398 struct ichdev ichd[6];
399
400 unsigned multi4: 1,
401 multi6: 1,
402 multi8 :1,
403 dra: 1,
404 smp20bit: 1;
405 unsigned in_ac97_init: 1,
406 in_sdin_init: 1;
407 unsigned in_measurement: 1; /* during ac97 clock measurement */
408 unsigned fix_nocache: 1; /* workaround for 440MX */
409 unsigned buggy_irq: 1; /* workaround for buggy mobos */
410 unsigned xbox: 1; /* workaround for Xbox AC'97 detection */
411 unsigned buggy_semaphore: 1; /* workaround for buggy codec semaphore */
412 unsigned inside_vm: 1; /* enable VM optimization */
413
414 int spdif_idx; /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
415 unsigned int sdm_saved; /* SDM reg value */
416
417 struct snd_ac97_bus *ac97_bus;
418 struct snd_ac97 *ac97[3];
419 unsigned int ac97_sdin[3];
420 unsigned int max_codecs, ncodecs;
421 unsigned int *codec_bit;
422 unsigned int codec_isr_bits;
423 unsigned int codec_ready_bits;
424
425 spinlock_t reg_lock;
426
427 u32 bdbars_count;
428 struct snd_dma_buffer bdbars;
429 u32 int_sta_reg; /* interrupt status register */
430 u32 int_sta_mask; /* interrupt status mask */
431};
432
433static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0_ids) = {
434 { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL }, /* 82801AA */
435 { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL }, /* 82901AB */
436 { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL }, /* 82801BA */
437 { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL }, /* ICH3 */
438 { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
439 { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
440 { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
441 { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
442 { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
443 { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
444 { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL }, /* 440MX */
445 { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS }, /* SI7012 */
446 { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE }, /* NFORCE */
447 { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE }, /* MCP04 */
448 { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE }, /* NFORCE2 */
449 { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE }, /* CK804 */
450 { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE }, /* CK8 */
451 { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE }, /* NFORCE3 */
452 { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE }, /* CK8S */
453 { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE }, /* MCP51 */
454 { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL }, /* AMD8111 */
455 { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL }, /* AMD768 */
456 { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI }, /* Ali5455 */
457 { 0, }
458};
459
460MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
461
462/*
463 * Lowlevel I/O - busmaster
464 */
465
466static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
467{
468 return ioread8(chip->bmaddr + offset);
469}
470
471static inline u16 igetword(struct intel8x0 *chip, u32 offset)
472{
473 return ioread16(chip->bmaddr + offset);
474}
475
476static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
477{
478 return ioread32(chip->bmaddr + offset);
479}
480
481static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
482{
483 iowrite8(val, chip->bmaddr + offset);
484}
485
486static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
487{
488 iowrite16(val, chip->bmaddr + offset);
489}
490
491static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
492{
493 iowrite32(val, chip->bmaddr + offset);
494}
495
496/*
497 * Lowlevel I/O - AC'97 registers
498 */
499
500static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
501{
502 return ioread16(chip->addr + offset);
503}
504
505static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
506{
507 iowrite16(val, chip->addr + offset);
508}
509
510/*
511 * Basic I/O
512 */
513
514/*
515 * access to AC97 codec via normal i/o (for ICH and SIS7012)
516 */
517
518static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
519{
520 int time;
521
522 if (codec > 2)
523 return -EIO;
524 if (chip->in_sdin_init) {
525 /* we don't know the ready bit assignment at the moment */
526 /* so we check any */
527 codec = chip->codec_isr_bits;
528 } else {
529 codec = chip->codec_bit[chip->ac97_sdin[codec]];
530 }
531
532 /* codec ready ? */
533 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
534 return -EIO;
535
536 if (chip->buggy_semaphore)
537 return 0; /* just ignore ... */
538
539 /* Anyone holding a semaphore for 1 msec should be shot... */
540 time = 100;
541 do {
542 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
543 return 0;
544 udelay(10);
545 } while (time--);
546
547 /* access to some forbidden (non existent) ac97 registers will not
548 * reset the semaphore. So even if you don't get the semaphore, still
549 * continue the access. We don't need the semaphore anyway. */
550 snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
551 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
552 iagetword(chip, 0); /* clear semaphore flag */
553 /* I don't care about the semaphore */
554 return -EBUSY;
555}
556
557static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
558 unsigned short reg,
559 unsigned short val)
560{
561 struct intel8x0 *chip = ac97->private_data;
562
563 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
564 if (! chip->in_ac97_init)
565 snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
566 }
567 iaputword(chip, reg + ac97->num * 0x80, val);
568}
569
570static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
571 unsigned short reg)
572{
573 struct intel8x0 *chip = ac97->private_data;
574 unsigned short res;
575 unsigned int tmp;
576
577 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
578 if (! chip->in_ac97_init)
579 snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
580 res = 0xffff;
581 } else {
582 res = iagetword(chip, reg + ac97->num * 0x80);
583 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
584 /* reset RCS and preserve other R/WC bits */
585 iputdword(chip, ICHREG(GLOB_STA), tmp &
586 ~(chip->codec_ready_bits | ICH_GSCI));
587 if (! chip->in_ac97_init)
588 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
589 res = 0xffff;
590 }
591 }
592 return res;
593}
594
595static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip,
596 unsigned int codec)
597{
598 unsigned int tmp;
599
600 if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
601 iagetword(chip, codec * 0x80);
602 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
603 /* reset RCS and preserve other R/WC bits */
604 iputdword(chip, ICHREG(GLOB_STA), tmp &
605 ~(chip->codec_ready_bits | ICH_GSCI));
606 }
607 }
608}
609
610/*
611 * access to AC97 for Ali5455
612 */
613static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
614{
615 int count = 0;
616 for (count = 0; count < 0x7f; count++) {
617 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
618 if (val & mask)
619 return 0;
620 }
621 if (! chip->in_ac97_init)
622 snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
623 return -EBUSY;
624}
625
626static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
627{
628 int time = 100;
629 if (chip->buggy_semaphore)
630 return 0; /* just ignore ... */
631 while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
632 udelay(1);
633 if (! time && ! chip->in_ac97_init)
634 snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
635 return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
636}
637
638static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
639{
640 struct intel8x0 *chip = ac97->private_data;
641 unsigned short data = 0xffff;
642
643 if (snd_intel8x0_ali_codec_semaphore(chip))
644 goto __err;
645 reg |= ALI_CPR_ADDR_READ;
646 if (ac97->num)
647 reg |= ALI_CPR_ADDR_SECONDARY;
648 iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
649 if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
650 goto __err;
651 data = igetword(chip, ICHREG(ALI_SPR));
652 __err:
653 return data;
654}
655
656static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
657 unsigned short val)
658{
659 struct intel8x0 *chip = ac97->private_data;
660
661 if (snd_intel8x0_ali_codec_semaphore(chip))
662 return;
663 iputword(chip, ICHREG(ALI_CPR), val);
664 if (ac97->num)
665 reg |= ALI_CPR_ADDR_SECONDARY;
666 iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
667 snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
668}
669
670
671/*
672 * DMA I/O
673 */
674static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
675{
676 int idx;
677 u32 *bdbar = ichdev->bdbar;
678 unsigned long port = ichdev->reg_offset;
679
680 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
681 if (ichdev->size == ichdev->fragsize) {
682 ichdev->ack_reload = ichdev->ack = 2;
683 ichdev->fragsize1 = ichdev->fragsize >> 1;
684 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
685 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
686 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
687 ichdev->fragsize1 >> ichdev->pos_shift);
688 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
689 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
690 ichdev->fragsize1 >> ichdev->pos_shift);
691 }
692 ichdev->frags = 2;
693 } else {
694 ichdev->ack_reload = ichdev->ack = 1;
695 ichdev->fragsize1 = ichdev->fragsize;
696 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
697 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
698 (((idx >> 1) * ichdev->fragsize) %
699 ichdev->size));
700 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
701 ichdev->fragsize >> ichdev->pos_shift);
702#if 0
703 printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n",
704 idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
705#endif
706 }
707 ichdev->frags = ichdev->size / ichdev->fragsize;
708 }
709 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
710 ichdev->civ = 0;
711 iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
712 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
713 ichdev->position = 0;
714#if 0
715 printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, "
716 "period_size1 = 0x%x\n",
717 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
718 ichdev->fragsize1);
719#endif
720 /* clear interrupts */
721 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
722}
723
724#ifdef __i386__
725/*
726 * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
727 * which aborts PCI busmaster for audio transfer. A workaround is to set
728 * the pages as non-cached. For details, see the errata in
729 * http://download.intel.com/design/chipsets/specupdt/24505108.pdf
730 */
731static void fill_nocache(void *buf, int size, int nocache)
732{
733 size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
734 if (nocache)
735 set_pages_uc(virt_to_page(buf), size);
736 else
737 set_pages_wb(virt_to_page(buf), size);
738}
739#else
740#define fill_nocache(buf, size, nocache) do { ; } while (0)
741#endif
742
743/*
744 * Interrupt handler
745 */
746
747static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
748{
749 unsigned long port = ichdev->reg_offset;
750 unsigned long flags;
751 int status, civ, i, step;
752 int ack = 0;
753
754 spin_lock_irqsave(&chip->reg_lock, flags);
755 status = igetbyte(chip, port + ichdev->roff_sr);
756 civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
757 if (!(status & ICH_BCIS)) {
758 step = 0;
759 } else if (civ == ichdev->civ) {
760 // snd_printd("civ same %d\n", civ);
761 step = 1;
762 ichdev->civ++;
763 ichdev->civ &= ICH_REG_LVI_MASK;
764 } else {
765 step = civ - ichdev->civ;
766 if (step < 0)
767 step += ICH_REG_LVI_MASK + 1;
768 // if (step != 1)
769 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
770 ichdev->civ = civ;
771 }
772
773 ichdev->position += step * ichdev->fragsize1;
774 if (! chip->in_measurement)
775 ichdev->position %= ichdev->size;
776 ichdev->lvi += step;
777 ichdev->lvi &= ICH_REG_LVI_MASK;
778 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
779 for (i = 0; i < step; i++) {
780 ichdev->lvi_frag++;
781 ichdev->lvi_frag %= ichdev->frags;
782 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
783#if 0
784 printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, "
785 "all = 0x%x, 0x%x\n",
786 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
787 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
788 inl(port + 4), inb(port + ICH_REG_OFF_CR));
789#endif
790 if (--ichdev->ack == 0) {
791 ichdev->ack = ichdev->ack_reload;
792 ack = 1;
793 }
794 }
795 spin_unlock_irqrestore(&chip->reg_lock, flags);
796 if (ack && ichdev->substream) {
797 snd_pcm_period_elapsed(ichdev->substream);
798 }
799 iputbyte(chip, port + ichdev->roff_sr,
800 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
801}
802
803static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
804{
805 struct intel8x0 *chip = dev_id;
806 struct ichdev *ichdev;
807 unsigned int status;
808 unsigned int i;
809
810 status = igetdword(chip, chip->int_sta_reg);
811 if (status == 0xffffffff) /* we are not yet resumed */
812 return IRQ_NONE;
813
814 if ((status & chip->int_sta_mask) == 0) {
815 if (status) {
816 /* ack */
817 iputdword(chip, chip->int_sta_reg, status);
818 if (! chip->buggy_irq)
819 status = 0;
820 }
821 return IRQ_RETVAL(status);
822 }
823
824 for (i = 0; i < chip->bdbars_count; i++) {
825 ichdev = &chip->ichd[i];
826 if (status & ichdev->int_sta_mask)
827 snd_intel8x0_update(chip, ichdev);
828 }
829
830 /* ack them */
831 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
832
833 return IRQ_HANDLED;
834}
835
836/*
837 * PCM part
838 */
839
840static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
841{
842 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
843 struct ichdev *ichdev = get_ichdev(substream);
844 unsigned char val = 0;
845 unsigned long port = ichdev->reg_offset;
846
847 switch (cmd) {
848 case SNDRV_PCM_TRIGGER_RESUME:
849 ichdev->suspended = 0;
850 /* fallthru */
851 case SNDRV_PCM_TRIGGER_START:
852 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
853 val = ICH_IOCE | ICH_STARTBM;
854 ichdev->last_pos = ichdev->position;
855 break;
856 case SNDRV_PCM_TRIGGER_SUSPEND:
857 ichdev->suspended = 1;
858 /* fallthru */
859 case SNDRV_PCM_TRIGGER_STOP:
860 val = 0;
861 break;
862 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
863 val = ICH_IOCE;
864 break;
865 default:
866 return -EINVAL;
867 }
868 iputbyte(chip, port + ICH_REG_OFF_CR, val);
869 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
870 /* wait until DMA stopped */
871 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
872 /* reset whole DMA things */
873 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
874 }
875 return 0;
876}
877
878static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
879{
880 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
881 struct ichdev *ichdev = get_ichdev(substream);
882 unsigned long port = ichdev->reg_offset;
883 static int fiforeg[] = {
884 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
885 };
886 unsigned int val, fifo;
887
888 val = igetdword(chip, ICHREG(ALI_DMACR));
889 switch (cmd) {
890 case SNDRV_PCM_TRIGGER_RESUME:
891 ichdev->suspended = 0;
892 /* fallthru */
893 case SNDRV_PCM_TRIGGER_START:
894 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
895 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
896 /* clear FIFO for synchronization of channels */
897 fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
898 fifo &= ~(0xff << (ichdev->ali_slot % 4));
899 fifo |= 0x83 << (ichdev->ali_slot % 4);
900 iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
901 }
902 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
903 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
904 /* start DMA */
905 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
906 break;
907 case SNDRV_PCM_TRIGGER_SUSPEND:
908 ichdev->suspended = 1;
909 /* fallthru */
910 case SNDRV_PCM_TRIGGER_STOP:
911 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
912 /* pause */
913 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
914 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
915 while (igetbyte(chip, port + ICH_REG_OFF_CR))
916 ;
917 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
918 break;
919 /* reset whole DMA things */
920 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
921 /* clear interrupts */
922 iputbyte(chip, port + ICH_REG_OFF_SR,
923 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
924 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
925 igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
926 break;
927 default:
928 return -EINVAL;
929 }
930 return 0;
931}
932
933static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
934 struct snd_pcm_hw_params *hw_params)
935{
936 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
937 struct ichdev *ichdev = get_ichdev(substream);
938 struct snd_pcm_runtime *runtime = substream->runtime;
939 int dbl = params_rate(hw_params) > 48000;
940 int err;
941
942 if (chip->fix_nocache && ichdev->page_attr_changed) {
943 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
944 ichdev->page_attr_changed = 0;
945 }
946 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
947 if (err < 0)
948 return err;
949 if (chip->fix_nocache) {
950 if (runtime->dma_area && ! ichdev->page_attr_changed) {
951 fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
952 ichdev->page_attr_changed = 1;
953 }
954 }
955 if (ichdev->pcm_open_flag) {
956 snd_ac97_pcm_close(ichdev->pcm);
957 ichdev->pcm_open_flag = 0;
958 }
959 err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
960 params_channels(hw_params),
961 ichdev->pcm->r[dbl].slots);
962 if (err >= 0) {
963 ichdev->pcm_open_flag = 1;
964 /* Force SPDIF setting */
965 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
966 snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
967 params_rate(hw_params));
968 }
969 return err;
970}
971
972static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
973{
974 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
975 struct ichdev *ichdev = get_ichdev(substream);
976
977 if (ichdev->pcm_open_flag) {
978 snd_ac97_pcm_close(ichdev->pcm);
979 ichdev->pcm_open_flag = 0;
980 }
981 if (chip->fix_nocache && ichdev->page_attr_changed) {
982 fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
983 ichdev->page_attr_changed = 0;
984 }
985 return snd_pcm_lib_free_pages(substream);
986}
987
988static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
989 struct snd_pcm_runtime *runtime)
990{
991 unsigned int cnt;
992 int dbl = runtime->rate > 48000;
993
994 spin_lock_irq(&chip->reg_lock);
995 switch (chip->device_type) {
996 case DEVICE_ALI:
997 cnt = igetdword(chip, ICHREG(ALI_SCR));
998 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
999 if (runtime->channels == 4 || dbl)
1000 cnt |= ICH_ALI_SC_PCM_4;
1001 else if (runtime->channels == 6)
1002 cnt |= ICH_ALI_SC_PCM_6;
1003 iputdword(chip, ICHREG(ALI_SCR), cnt);
1004 break;
1005 case DEVICE_SIS:
1006 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1007 cnt &= ~ICH_SIS_PCM_246_MASK;
1008 if (runtime->channels == 4 || dbl)
1009 cnt |= ICH_SIS_PCM_4;
1010 else if (runtime->channels == 6)
1011 cnt |= ICH_SIS_PCM_6;
1012 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1013 break;
1014 default:
1015 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1016 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1017 if (runtime->channels == 4 || dbl)
1018 cnt |= ICH_PCM_4;
1019 else if (runtime->channels == 6)
1020 cnt |= ICH_PCM_6;
1021 else if (runtime->channels == 8)
1022 cnt |= ICH_PCM_8;
1023 if (chip->device_type == DEVICE_NFORCE) {
1024 /* reset to 2ch once to keep the 6 channel data in alignment,
1025 * to start from Front Left always
1026 */
1027 if (cnt & ICH_PCM_246_MASK) {
1028 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1029 spin_unlock_irq(&chip->reg_lock);
1030 msleep(50); /* grrr... */
1031 spin_lock_irq(&chip->reg_lock);
1032 }
1033 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
1034 if (runtime->sample_bits > 16)
1035 cnt |= ICH_PCM_20BIT;
1036 }
1037 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1038 break;
1039 }
1040 spin_unlock_irq(&chip->reg_lock);
1041}
1042
1043static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1044{
1045 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1046 struct snd_pcm_runtime *runtime = substream->runtime;
1047 struct ichdev *ichdev = get_ichdev(substream);
1048
1049 ichdev->physbuf = runtime->dma_addr;
1050 ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1051 ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1052 if (ichdev->ichd == ICHD_PCMOUT) {
1053 snd_intel8x0_setup_pcm_out(chip, runtime);
1054 if (chip->device_type == DEVICE_INTEL_ICH4)
1055 ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1056 }
1057 snd_intel8x0_setup_periods(chip, ichdev);
1058 return 0;
1059}
1060
1061static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1062{
1063 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1064 struct ichdev *ichdev = get_ichdev(substream);
1065 size_t ptr1, ptr;
1066 int civ, timeout = 10;
1067 unsigned int position;
1068
1069 spin_lock(&chip->reg_lock);
1070 do {
1071 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1072 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1073 position = ichdev->position;
1074 if (ptr1 == 0) {
1075 udelay(10);
1076 continue;
1077 }
1078 if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
1079 continue;
1080
1081 /* IO read operation is very expensive inside virtual machine
1082 * as it is emulated. The probability that subsequent PICB read
1083 * will return different result is high enough to loop till
1084 * timeout here.
1085 * Same CIV is strict enough condition to be sure that PICB
1086 * is valid inside VM on emulated card. */
1087 if (chip->inside_vm)
1088 break;
1089 if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1090 break;
1091 } while (timeout--);
1092 ptr = ichdev->last_pos;
1093 if (ptr1 != 0) {
1094 ptr1 <<= ichdev->pos_shift;
1095 ptr = ichdev->fragsize1 - ptr1;
1096 ptr += position;
1097 if (ptr < ichdev->last_pos) {
1098 unsigned int pos_base, last_base;
1099 pos_base = position / ichdev->fragsize1;
1100 last_base = ichdev->last_pos / ichdev->fragsize1;
1101 /* another sanity check; ptr1 can go back to full
1102 * before the base position is updated
1103 */
1104 if (pos_base == last_base)
1105 ptr = ichdev->last_pos;
1106 }
1107 }
1108 ichdev->last_pos = ptr;
1109 spin_unlock(&chip->reg_lock);
1110 if (ptr >= ichdev->size)
1111 return 0;
1112 return bytes_to_frames(substream->runtime, ptr);
1113}
1114
1115static struct snd_pcm_hardware snd_intel8x0_stream =
1116{
1117 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1118 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1119 SNDRV_PCM_INFO_MMAP_VALID |
1120 SNDRV_PCM_INFO_PAUSE |
1121 SNDRV_PCM_INFO_RESUME),
1122 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1123 .rates = SNDRV_PCM_RATE_48000,
1124 .rate_min = 48000,
1125 .rate_max = 48000,
1126 .channels_min = 2,
1127 .channels_max = 2,
1128 .buffer_bytes_max = 128 * 1024,
1129 .period_bytes_min = 32,
1130 .period_bytes_max = 128 * 1024,
1131 .periods_min = 1,
1132 .periods_max = 1024,
1133 .fifo_size = 0,
1134};
1135
1136static unsigned int channels4[] = {
1137 2, 4,
1138};
1139
1140static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1141 .count = ARRAY_SIZE(channels4),
1142 .list = channels4,
1143 .mask = 0,
1144};
1145
1146static unsigned int channels6[] = {
1147 2, 4, 6,
1148};
1149
1150static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1151 .count = ARRAY_SIZE(channels6),
1152 .list = channels6,
1153 .mask = 0,
1154};
1155
1156static unsigned int channels8[] = {
1157 2, 4, 6, 8,
1158};
1159
1160static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1161 .count = ARRAY_SIZE(channels8),
1162 .list = channels8,
1163 .mask = 0,
1164};
1165
1166static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1167{
1168 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169 struct snd_pcm_runtime *runtime = substream->runtime;
1170 int err;
1171
1172 ichdev->substream = substream;
1173 runtime->hw = snd_intel8x0_stream;
1174 runtime->hw.rates = ichdev->pcm->rates;
1175 snd_pcm_limit_hw_rates(runtime);
1176 if (chip->device_type == DEVICE_SIS) {
1177 runtime->hw.buffer_bytes_max = 64*1024;
1178 runtime->hw.period_bytes_max = 64*1024;
1179 }
1180 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1181 return err;
1182 runtime->private_data = ichdev;
1183 return 0;
1184}
1185
1186static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1187{
1188 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1189 struct snd_pcm_runtime *runtime = substream->runtime;
1190 int err;
1191
1192 err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1193 if (err < 0)
1194 return err;
1195
1196 if (chip->multi8) {
1197 runtime->hw.channels_max = 8;
1198 snd_pcm_hw_constraint_list(runtime, 0,
1199 SNDRV_PCM_HW_PARAM_CHANNELS,
1200 &hw_constraints_channels8);
1201 } else if (chip->multi6) {
1202 runtime->hw.channels_max = 6;
1203 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1204 &hw_constraints_channels6);
1205 } else if (chip->multi4) {
1206 runtime->hw.channels_max = 4;
1207 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1208 &hw_constraints_channels4);
1209 }
1210 if (chip->dra) {
1211 snd_ac97_pcm_double_rate_rules(runtime);
1212 }
1213 if (chip->smp20bit) {
1214 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1215 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1216 }
1217 return 0;
1218}
1219
1220static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1221{
1222 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1223
1224 chip->ichd[ICHD_PCMOUT].substream = NULL;
1225 return 0;
1226}
1227
1228static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1229{
1230 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1231
1232 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1233}
1234
1235static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1236{
1237 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1238
1239 chip->ichd[ICHD_PCMIN].substream = NULL;
1240 return 0;
1241}
1242
1243static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1244{
1245 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1246
1247 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1248}
1249
1250static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1251{
1252 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1253
1254 chip->ichd[ICHD_MIC].substream = NULL;
1255 return 0;
1256}
1257
1258static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1259{
1260 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1261
1262 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1263}
1264
1265static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1266{
1267 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1268
1269 chip->ichd[ICHD_MIC2].substream = NULL;
1270 return 0;
1271}
1272
1273static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1274{
1275 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1276
1277 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1278}
1279
1280static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1281{
1282 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1283
1284 chip->ichd[ICHD_PCM2IN].substream = NULL;
1285 return 0;
1286}
1287
1288static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1289{
1290 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1291 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1292
1293 return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1294}
1295
1296static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1297{
1298 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1299 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1300
1301 chip->ichd[idx].substream = NULL;
1302 return 0;
1303}
1304
1305static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1306{
1307 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1308 unsigned int val;
1309
1310 spin_lock_irq(&chip->reg_lock);
1311 val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1312 val |= ICH_ALI_IF_AC97SP;
1313 iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1314 /* also needs to set ALI_SC_CODEC_SPDF correctly */
1315 spin_unlock_irq(&chip->reg_lock);
1316
1317 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1318}
1319
1320static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1321{
1322 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1323 unsigned int val;
1324
1325 chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1326 spin_lock_irq(&chip->reg_lock);
1327 val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1328 val &= ~ICH_ALI_IF_AC97SP;
1329 iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1330 spin_unlock_irq(&chip->reg_lock);
1331
1332 return 0;
1333}
1334
1335#if 0 // NYI
1336static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1337{
1338 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1339
1340 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1341}
1342
1343static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1344{
1345 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1346
1347 chip->ichd[ALID_SPDIFIN].substream = NULL;
1348 return 0;
1349}
1350
1351static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1352{
1353 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1354
1355 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1356}
1357
1358static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1359{
1360 struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1361
1362 chip->ichd[ALID_SPDIFOUT].substream = NULL;
1363 return 0;
1364}
1365#endif
1366
1367static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1368 .open = snd_intel8x0_playback_open,
1369 .close = snd_intel8x0_playback_close,
1370 .ioctl = snd_pcm_lib_ioctl,
1371 .hw_params = snd_intel8x0_hw_params,
1372 .hw_free = snd_intel8x0_hw_free,
1373 .prepare = snd_intel8x0_pcm_prepare,
1374 .trigger = snd_intel8x0_pcm_trigger,
1375 .pointer = snd_intel8x0_pcm_pointer,
1376};
1377
1378static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1379 .open = snd_intel8x0_capture_open,
1380 .close = snd_intel8x0_capture_close,
1381 .ioctl = snd_pcm_lib_ioctl,
1382 .hw_params = snd_intel8x0_hw_params,
1383 .hw_free = snd_intel8x0_hw_free,
1384 .prepare = snd_intel8x0_pcm_prepare,
1385 .trigger = snd_intel8x0_pcm_trigger,
1386 .pointer = snd_intel8x0_pcm_pointer,
1387};
1388
1389static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1390 .open = snd_intel8x0_mic_open,
1391 .close = snd_intel8x0_mic_close,
1392 .ioctl = snd_pcm_lib_ioctl,
1393 .hw_params = snd_intel8x0_hw_params,
1394 .hw_free = snd_intel8x0_hw_free,
1395 .prepare = snd_intel8x0_pcm_prepare,
1396 .trigger = snd_intel8x0_pcm_trigger,
1397 .pointer = snd_intel8x0_pcm_pointer,
1398};
1399
1400static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1401 .open = snd_intel8x0_mic2_open,
1402 .close = snd_intel8x0_mic2_close,
1403 .ioctl = snd_pcm_lib_ioctl,
1404 .hw_params = snd_intel8x0_hw_params,
1405 .hw_free = snd_intel8x0_hw_free,
1406 .prepare = snd_intel8x0_pcm_prepare,
1407 .trigger = snd_intel8x0_pcm_trigger,
1408 .pointer = snd_intel8x0_pcm_pointer,
1409};
1410
1411static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1412 .open = snd_intel8x0_capture2_open,
1413 .close = snd_intel8x0_capture2_close,
1414 .ioctl = snd_pcm_lib_ioctl,
1415 .hw_params = snd_intel8x0_hw_params,
1416 .hw_free = snd_intel8x0_hw_free,
1417 .prepare = snd_intel8x0_pcm_prepare,
1418 .trigger = snd_intel8x0_pcm_trigger,
1419 .pointer = snd_intel8x0_pcm_pointer,
1420};
1421
1422static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1423 .open = snd_intel8x0_spdif_open,
1424 .close = snd_intel8x0_spdif_close,
1425 .ioctl = snd_pcm_lib_ioctl,
1426 .hw_params = snd_intel8x0_hw_params,
1427 .hw_free = snd_intel8x0_hw_free,
1428 .prepare = snd_intel8x0_pcm_prepare,
1429 .trigger = snd_intel8x0_pcm_trigger,
1430 .pointer = snd_intel8x0_pcm_pointer,
1431};
1432
1433static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1434 .open = snd_intel8x0_playback_open,
1435 .close = snd_intel8x0_playback_close,
1436 .ioctl = snd_pcm_lib_ioctl,
1437 .hw_params = snd_intel8x0_hw_params,
1438 .hw_free = snd_intel8x0_hw_free,
1439 .prepare = snd_intel8x0_pcm_prepare,
1440 .trigger = snd_intel8x0_ali_trigger,
1441 .pointer = snd_intel8x0_pcm_pointer,
1442};
1443
1444static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1445 .open = snd_intel8x0_capture_open,
1446 .close = snd_intel8x0_capture_close,
1447 .ioctl = snd_pcm_lib_ioctl,
1448 .hw_params = snd_intel8x0_hw_params,
1449 .hw_free = snd_intel8x0_hw_free,
1450 .prepare = snd_intel8x0_pcm_prepare,
1451 .trigger = snd_intel8x0_ali_trigger,
1452 .pointer = snd_intel8x0_pcm_pointer,
1453};
1454
1455static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1456 .open = snd_intel8x0_mic_open,
1457 .close = snd_intel8x0_mic_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_ali_trigger,
1463 .pointer = snd_intel8x0_pcm_pointer,
1464};
1465
1466static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1467 .open = snd_intel8x0_ali_ac97spdifout_open,
1468 .close = snd_intel8x0_ali_ac97spdifout_close,
1469 .ioctl = snd_pcm_lib_ioctl,
1470 .hw_params = snd_intel8x0_hw_params,
1471 .hw_free = snd_intel8x0_hw_free,
1472 .prepare = snd_intel8x0_pcm_prepare,
1473 .trigger = snd_intel8x0_ali_trigger,
1474 .pointer = snd_intel8x0_pcm_pointer,
1475};
1476
1477#if 0 // NYI
1478static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1479 .open = snd_intel8x0_ali_spdifin_open,
1480 .close = snd_intel8x0_ali_spdifin_close,
1481 .ioctl = snd_pcm_lib_ioctl,
1482 .hw_params = snd_intel8x0_hw_params,
1483 .hw_free = snd_intel8x0_hw_free,
1484 .prepare = snd_intel8x0_pcm_prepare,
1485 .trigger = snd_intel8x0_pcm_trigger,
1486 .pointer = snd_intel8x0_pcm_pointer,
1487};
1488
1489static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1490 .open = snd_intel8x0_ali_spdifout_open,
1491 .close = snd_intel8x0_ali_spdifout_close,
1492 .ioctl = snd_pcm_lib_ioctl,
1493 .hw_params = snd_intel8x0_hw_params,
1494 .hw_free = snd_intel8x0_hw_free,
1495 .prepare = snd_intel8x0_pcm_prepare,
1496 .trigger = snd_intel8x0_pcm_trigger,
1497 .pointer = snd_intel8x0_pcm_pointer,
1498};
1499#endif // NYI
1500
1501struct ich_pcm_table {
1502 char *suffix;
1503 struct snd_pcm_ops *playback_ops;
1504 struct snd_pcm_ops *capture_ops;
1505 size_t prealloc_size;
1506 size_t prealloc_max_size;
1507 int ac97_idx;
1508};
1509
1510static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1511 struct ich_pcm_table *rec)
1512{
1513 struct snd_pcm *pcm;
1514 int err;
1515 char name[32];
1516
1517 if (rec->suffix)
1518 sprintf(name, "Intel ICH - %s", rec->suffix);
1519 else
1520 strcpy(name, "Intel ICH");
1521 err = snd_pcm_new(chip->card, name, device,
1522 rec->playback_ops ? 1 : 0,
1523 rec->capture_ops ? 1 : 0, &pcm);
1524 if (err < 0)
1525 return err;
1526
1527 if (rec->playback_ops)
1528 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1529 if (rec->capture_ops)
1530 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1531
1532 pcm->private_data = chip;
1533 pcm->info_flags = 0;
1534 if (rec->suffix)
1535 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1536 else
1537 strcpy(pcm->name, chip->card->shortname);
1538 chip->pcm[device] = pcm;
1539
1540 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1541 snd_dma_pci_data(chip->pci),
1542 rec->prealloc_size, rec->prealloc_max_size);
1543
1544 return 0;
1545}
1546
1547static struct ich_pcm_table intel_pcms[] __devinitdata = {
1548 {
1549 .playback_ops = &snd_intel8x0_playback_ops,
1550 .capture_ops = &snd_intel8x0_capture_ops,
1551 .prealloc_size = 64 * 1024,
1552 .prealloc_max_size = 128 * 1024,
1553 },
1554 {
1555 .suffix = "MIC ADC",
1556 .capture_ops = &snd_intel8x0_capture_mic_ops,
1557 .prealloc_size = 0,
1558 .prealloc_max_size = 128 * 1024,
1559 .ac97_idx = ICHD_MIC,
1560 },
1561 {
1562 .suffix = "MIC2 ADC",
1563 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1564 .prealloc_size = 0,
1565 .prealloc_max_size = 128 * 1024,
1566 .ac97_idx = ICHD_MIC2,
1567 },
1568 {
1569 .suffix = "ADC2",
1570 .capture_ops = &snd_intel8x0_capture2_ops,
1571 .prealloc_size = 0,
1572 .prealloc_max_size = 128 * 1024,
1573 .ac97_idx = ICHD_PCM2IN,
1574 },
1575 {
1576 .suffix = "IEC958",
1577 .playback_ops = &snd_intel8x0_spdif_ops,
1578 .prealloc_size = 64 * 1024,
1579 .prealloc_max_size = 128 * 1024,
1580 .ac97_idx = ICHD_SPBAR,
1581 },
1582};
1583
1584static struct ich_pcm_table nforce_pcms[] __devinitdata = {
1585 {
1586 .playback_ops = &snd_intel8x0_playback_ops,
1587 .capture_ops = &snd_intel8x0_capture_ops,
1588 .prealloc_size = 64 * 1024,
1589 .prealloc_max_size = 128 * 1024,
1590 },
1591 {
1592 .suffix = "MIC ADC",
1593 .capture_ops = &snd_intel8x0_capture_mic_ops,
1594 .prealloc_size = 0,
1595 .prealloc_max_size = 128 * 1024,
1596 .ac97_idx = NVD_MIC,
1597 },
1598 {
1599 .suffix = "IEC958",
1600 .playback_ops = &snd_intel8x0_spdif_ops,
1601 .prealloc_size = 64 * 1024,
1602 .prealloc_max_size = 128 * 1024,
1603 .ac97_idx = NVD_SPBAR,
1604 },
1605};
1606
1607static struct ich_pcm_table ali_pcms[] __devinitdata = {
1608 {
1609 .playback_ops = &snd_intel8x0_ali_playback_ops,
1610 .capture_ops = &snd_intel8x0_ali_capture_ops,
1611 .prealloc_size = 64 * 1024,
1612 .prealloc_max_size = 128 * 1024,
1613 },
1614 {
1615 .suffix = "MIC ADC",
1616 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1617 .prealloc_size = 0,
1618 .prealloc_max_size = 128 * 1024,
1619 .ac97_idx = ALID_MIC,
1620 },
1621 {
1622 .suffix = "IEC958",
1623 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1624 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1625 .prealloc_size = 64 * 1024,
1626 .prealloc_max_size = 128 * 1024,
1627 .ac97_idx = ALID_AC97SPDIFOUT,
1628 },
1629#if 0 // NYI
1630 {
1631 .suffix = "HW IEC958",
1632 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1633 .prealloc_size = 64 * 1024,
1634 .prealloc_max_size = 128 * 1024,
1635 },
1636#endif
1637};
1638
1639static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip)
1640{
1641 int i, tblsize, device, err;
1642 struct ich_pcm_table *tbl, *rec;
1643
1644 switch (chip->device_type) {
1645 case DEVICE_INTEL_ICH4:
1646 tbl = intel_pcms;
1647 tblsize = ARRAY_SIZE(intel_pcms);
1648 if (spdif_aclink)
1649 tblsize--;
1650 break;
1651 case DEVICE_NFORCE:
1652 tbl = nforce_pcms;
1653 tblsize = ARRAY_SIZE(nforce_pcms);
1654 if (spdif_aclink)
1655 tblsize--;
1656 break;
1657 case DEVICE_ALI:
1658 tbl = ali_pcms;
1659 tblsize = ARRAY_SIZE(ali_pcms);
1660 break;
1661 default:
1662 tbl = intel_pcms;
1663 tblsize = 2;
1664 break;
1665 }
1666
1667 device = 0;
1668 for (i = 0; i < tblsize; i++) {
1669 rec = tbl + i;
1670 if (i > 0 && rec->ac97_idx) {
1671 /* activate PCM only when associated AC'97 codec */
1672 if (! chip->ichd[rec->ac97_idx].pcm)
1673 continue;
1674 }
1675 err = snd_intel8x0_pcm1(chip, device, rec);
1676 if (err < 0)
1677 return err;
1678 device++;
1679 }
1680
1681 chip->pcm_devs = device;
1682 return 0;
1683}
1684
1685
1686/*
1687 * Mixer part
1688 */
1689
1690static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1691{
1692 struct intel8x0 *chip = bus->private_data;
1693 chip->ac97_bus = NULL;
1694}
1695
1696static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1697{
1698 struct intel8x0 *chip = ac97->private_data;
1699 chip->ac97[ac97->num] = NULL;
1700}
1701
1702static struct ac97_pcm ac97_pcm_defs[] __devinitdata = {
1703 /* front PCM */
1704 {
1705 .exclusive = 1,
1706 .r = { {
1707 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1708 (1 << AC97_SLOT_PCM_RIGHT) |
1709 (1 << AC97_SLOT_PCM_CENTER) |
1710 (1 << AC97_SLOT_PCM_SLEFT) |
1711 (1 << AC97_SLOT_PCM_SRIGHT) |
1712 (1 << AC97_SLOT_LFE)
1713 },
1714 {
1715 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1716 (1 << AC97_SLOT_PCM_RIGHT) |
1717 (1 << AC97_SLOT_PCM_LEFT_0) |
1718 (1 << AC97_SLOT_PCM_RIGHT_0)
1719 }
1720 }
1721 },
1722 /* PCM IN #1 */
1723 {
1724 .stream = 1,
1725 .exclusive = 1,
1726 .r = { {
1727 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1728 (1 << AC97_SLOT_PCM_RIGHT)
1729 }
1730 }
1731 },
1732 /* MIC IN #1 */
1733 {
1734 .stream = 1,
1735 .exclusive = 1,
1736 .r = { {
1737 .slots = (1 << AC97_SLOT_MIC)
1738 }
1739 }
1740 },
1741 /* S/PDIF PCM */
1742 {
1743 .exclusive = 1,
1744 .spdif = 1,
1745 .r = { {
1746 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1747 (1 << AC97_SLOT_SPDIF_RIGHT2)
1748 }
1749 }
1750 },
1751 /* PCM IN #2 */
1752 {
1753 .stream = 1,
1754 .exclusive = 1,
1755 .r = { {
1756 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1757 (1 << AC97_SLOT_PCM_RIGHT)
1758 }
1759 }
1760 },
1761 /* MIC IN #2 */
1762 {
1763 .stream = 1,
1764 .exclusive = 1,
1765 .r = { {
1766 .slots = (1 << AC97_SLOT_MIC)
1767 }
1768 }
1769 },
1770};
1771
1772static struct ac97_quirk ac97_quirks[] __devinitdata = {
1773 {
1774 .subvendor = 0x0e11,
1775 .subdevice = 0x000e,
1776 .name = "Compaq Deskpro EN", /* AD1885 */
1777 .type = AC97_TUNE_HP_ONLY
1778 },
1779 {
1780 .subvendor = 0x0e11,
1781 .subdevice = 0x008a,
1782 .name = "Compaq Evo W4000", /* AD1885 */
1783 .type = AC97_TUNE_HP_ONLY
1784 },
1785 {
1786 .subvendor = 0x0e11,
1787 .subdevice = 0x00b8,
1788 .name = "Compaq Evo D510C",
1789 .type = AC97_TUNE_HP_ONLY
1790 },
1791 {
1792 .subvendor = 0x0e11,
1793 .subdevice = 0x0860,
1794 .name = "HP/Compaq nx7010",
1795 .type = AC97_TUNE_MUTE_LED
1796 },
1797 {
1798 .subvendor = 0x1014,
1799 .subdevice = 0x0534,
1800 .name = "ThinkPad X31",
1801 .type = AC97_TUNE_INV_EAPD
1802 },
1803 {
1804 .subvendor = 0x1014,
1805 .subdevice = 0x1f00,
1806 .name = "MS-9128",
1807 .type = AC97_TUNE_ALC_JACK
1808 },
1809 {
1810 .subvendor = 0x1014,
1811 .subdevice = 0x0267,
1812 .name = "IBM NetVista A30p", /* AD1981B */
1813 .type = AC97_TUNE_HP_ONLY
1814 },
1815 {
1816 .subvendor = 0x1025,
1817 .subdevice = 0x0082,
1818 .name = "Acer Travelmate 2310",
1819 .type = AC97_TUNE_HP_ONLY
1820 },
1821 {
1822 .subvendor = 0x1025,
1823 .subdevice = 0x0083,
1824 .name = "Acer Aspire 3003LCi",
1825 .type = AC97_TUNE_HP_ONLY
1826 },
1827 {
1828 .subvendor = 0x1028,
1829 .subdevice = 0x00d8,
1830 .name = "Dell Precision 530", /* AD1885 */
1831 .type = AC97_TUNE_HP_ONLY
1832 },
1833 {
1834 .subvendor = 0x1028,
1835 .subdevice = 0x010d,
1836 .name = "Dell", /* which model? AD1885 */
1837 .type = AC97_TUNE_HP_ONLY
1838 },
1839 {
1840 .subvendor = 0x1028,
1841 .subdevice = 0x0126,
1842 .name = "Dell Optiplex GX260", /* AD1981A */
1843 .type = AC97_TUNE_HP_ONLY
1844 },
1845 {
1846 .subvendor = 0x1028,
1847 .subdevice = 0x012c,
1848 .name = "Dell Precision 650", /* AD1981A */
1849 .type = AC97_TUNE_HP_ONLY
1850 },
1851 {
1852 .subvendor = 0x1028,
1853 .subdevice = 0x012d,
1854 .name = "Dell Precision 450", /* AD1981B*/
1855 .type = AC97_TUNE_HP_ONLY
1856 },
1857 {
1858 .subvendor = 0x1028,
1859 .subdevice = 0x0147,
1860 .name = "Dell", /* which model? AD1981B*/
1861 .type = AC97_TUNE_HP_ONLY
1862 },
1863 {
1864 .subvendor = 0x1028,
1865 .subdevice = 0x0151,
1866 .name = "Dell Optiplex GX270", /* AD1981B */
1867 .type = AC97_TUNE_HP_ONLY
1868 },
1869 {
1870 .subvendor = 0x1028,
1871 .subdevice = 0x014e,
1872 .name = "Dell D800", /* STAC9750/51 */
1873 .type = AC97_TUNE_HP_ONLY
1874 },
1875 {
1876 .subvendor = 0x1028,
1877 .subdevice = 0x0163,
1878 .name = "Dell Unknown", /* STAC9750/51 */
1879 .type = AC97_TUNE_HP_ONLY
1880 },
1881 {
1882 .subvendor = 0x1028,
1883 .subdevice = 0x016a,
1884 .name = "Dell Inspiron 8600", /* STAC9750/51 */
1885 .type = AC97_TUNE_HP_ONLY
1886 },
1887 {
1888 .subvendor = 0x1028,
1889 .subdevice = 0x0182,
1890 .name = "Dell Latitude D610", /* STAC9750/51 */
1891 .type = AC97_TUNE_HP_ONLY
1892 },
1893 {
1894 .subvendor = 0x1028,
1895 .subdevice = 0x0186,
1896 .name = "Dell Latitude D810", /* cf. Malone #41015 */
1897 .type = AC97_TUNE_HP_MUTE_LED
1898 },
1899 {
1900 .subvendor = 0x1028,
1901 .subdevice = 0x0188,
1902 .name = "Dell Inspiron 6000",
1903 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1904 },
1905 {
1906 .subvendor = 0x1028,
1907 .subdevice = 0x0189,
1908 .name = "Dell Inspiron 9300",
1909 .type = AC97_TUNE_HP_MUTE_LED
1910 },
1911 {
1912 .subvendor = 0x1028,
1913 .subdevice = 0x0191,
1914 .name = "Dell Inspiron 8600",
1915 .type = AC97_TUNE_HP_ONLY
1916 },
1917 {
1918 .subvendor = 0x103c,
1919 .subdevice = 0x006d,
1920 .name = "HP zv5000",
1921 .type = AC97_TUNE_MUTE_LED /*AD1981B*/
1922 },
1923 { /* FIXME: which codec? */
1924 .subvendor = 0x103c,
1925 .subdevice = 0x00c3,
1926 .name = "HP xw6000",
1927 .type = AC97_TUNE_HP_ONLY
1928 },
1929 {
1930 .subvendor = 0x103c,
1931 .subdevice = 0x088c,
1932 .name = "HP nc8000",
1933 .type = AC97_TUNE_HP_MUTE_LED
1934 },
1935 {
1936 .subvendor = 0x103c,
1937 .subdevice = 0x0890,
1938 .name = "HP nc6000",
1939 .type = AC97_TUNE_MUTE_LED
1940 },
1941 {
1942 .subvendor = 0x103c,
1943 .subdevice = 0x129d,
1944 .name = "HP xw8000",
1945 .type = AC97_TUNE_HP_ONLY
1946 },
1947 {
1948 .subvendor = 0x103c,
1949 .subdevice = 0x0938,
1950 .name = "HP nc4200",
1951 .type = AC97_TUNE_HP_MUTE_LED
1952 },
1953 {
1954 .subvendor = 0x103c,
1955 .subdevice = 0x099c,
1956 .name = "HP nx6110/nc6120",
1957 .type = AC97_TUNE_HP_MUTE_LED
1958 },
1959 {
1960 .subvendor = 0x103c,
1961 .subdevice = 0x0944,
1962 .name = "HP nc6220",
1963 .type = AC97_TUNE_HP_MUTE_LED
1964 },
1965 {
1966 .subvendor = 0x103c,
1967 .subdevice = 0x0934,
1968 .name = "HP nc8220",
1969 .type = AC97_TUNE_HP_MUTE_LED
1970 },
1971 {
1972 .subvendor = 0x103c,
1973 .subdevice = 0x12f1,
1974 .name = "HP xw8200", /* AD1981B*/
1975 .type = AC97_TUNE_HP_ONLY
1976 },
1977 {
1978 .subvendor = 0x103c,
1979 .subdevice = 0x12f2,
1980 .name = "HP xw6200",
1981 .type = AC97_TUNE_HP_ONLY
1982 },
1983 {
1984 .subvendor = 0x103c,
1985 .subdevice = 0x3008,
1986 .name = "HP xw4200", /* AD1981B*/
1987 .type = AC97_TUNE_HP_ONLY
1988 },
1989 {
1990 .subvendor = 0x104d,
1991 .subdevice = 0x8144,
1992 .name = "Sony",
1993 .type = AC97_TUNE_INV_EAPD
1994 },
1995 {
1996 .subvendor = 0x104d,
1997 .subdevice = 0x8197,
1998 .name = "Sony S1XP",
1999 .type = AC97_TUNE_INV_EAPD
2000 },
2001 {
2002 .subvendor = 0x104d,
2003 .subdevice = 0x81c0,
2004 .name = "Sony VAIO VGN-T350P", /*AD1981B*/
2005 .type = AC97_TUNE_INV_EAPD
2006 },
2007 {
2008 .subvendor = 0x104d,
2009 .subdevice = 0x81c5,
2010 .name = "Sony VAIO VGN-B1VP", /*AD1981B*/
2011 .type = AC97_TUNE_INV_EAPD
2012 },
2013 {
2014 .subvendor = 0x1043,
2015 .subdevice = 0x80f3,
2016 .name = "ASUS ICH5/AD1985",
2017 .type = AC97_TUNE_AD_SHARING
2018 },
2019 {
2020 .subvendor = 0x10cf,
2021 .subdevice = 0x11c3,
2022 .name = "Fujitsu-Siemens E4010",
2023 .type = AC97_TUNE_HP_ONLY
2024 },
2025 {
2026 .subvendor = 0x10cf,
2027 .subdevice = 0x1225,
2028 .name = "Fujitsu-Siemens T3010",
2029 .type = AC97_TUNE_HP_ONLY
2030 },
2031 {
2032 .subvendor = 0x10cf,
2033 .subdevice = 0x1253,
2034 .name = "Fujitsu S6210", /* STAC9750/51 */
2035 .type = AC97_TUNE_HP_ONLY
2036 },
2037 {
2038 .subvendor = 0x10cf,
2039 .subdevice = 0x127d,
2040 .name = "Fujitsu Lifebook P7010",
2041 .type = AC97_TUNE_HP_ONLY
2042 },
2043 {
2044 .subvendor = 0x10cf,
2045 .subdevice = 0x127e,
2046 .name = "Fujitsu Lifebook C1211D",
2047 .type = AC97_TUNE_HP_ONLY
2048 },
2049 {
2050 .subvendor = 0x10cf,
2051 .subdevice = 0x12ec,
2052 .name = "Fujitsu-Siemens 4010",
2053 .type = AC97_TUNE_HP_ONLY
2054 },
2055 {
2056 .subvendor = 0x10cf,
2057 .subdevice = 0x12f2,
2058 .name = "Fujitsu-Siemens Celsius H320",
2059 .type = AC97_TUNE_SWAP_HP
2060 },
2061 {
2062 .subvendor = 0x10f1,
2063 .subdevice = 0x2665,
2064 .name = "Fujitsu-Siemens Celsius", /* AD1981? */
2065 .type = AC97_TUNE_HP_ONLY
2066 },
2067 {
2068 .subvendor = 0x10f1,
2069 .subdevice = 0x2885,
2070 .name = "AMD64 Mobo", /* ALC650 */
2071 .type = AC97_TUNE_HP_ONLY
2072 },
2073 {
2074 .subvendor = 0x10f1,
2075 .subdevice = 0x2895,
2076 .name = "Tyan Thunder K8WE",
2077 .type = AC97_TUNE_HP_ONLY
2078 },
2079 {
2080 .subvendor = 0x10f7,
2081 .subdevice = 0x834c,
2082 .name = "Panasonic CF-R4",
2083 .type = AC97_TUNE_HP_ONLY,
2084 },
2085 {
2086 .subvendor = 0x110a,
2087 .subdevice = 0x0056,
2088 .name = "Fujitsu-Siemens Scenic", /* AD1981? */
2089 .type = AC97_TUNE_HP_ONLY
2090 },
2091 {
2092 .subvendor = 0x11d4,
2093 .subdevice = 0x5375,
2094 .name = "ADI AD1985 (discrete)",
2095 .type = AC97_TUNE_HP_ONLY
2096 },
2097 {
2098 .subvendor = 0x1462,
2099 .subdevice = 0x5470,
2100 .name = "MSI P4 ATX 645 Ultra",
2101 .type = AC97_TUNE_HP_ONLY
2102 },
2103 {
2104 .subvendor = 0x161f,
2105 .subdevice = 0x202f,
2106 .name = "Gateway M520",
2107 .type = AC97_TUNE_INV_EAPD
2108 },
2109 {
2110 .subvendor = 0x161f,
2111 .subdevice = 0x203a,
2112 .name = "Gateway 4525GZ", /* AD1981B */
2113 .type = AC97_TUNE_INV_EAPD
2114 },
2115 {
2116 .subvendor = 0x1734,
2117 .subdevice = 0x0088,
2118 .name = "Fujitsu-Siemens D1522", /* AD1981 */
2119 .type = AC97_TUNE_HP_ONLY
2120 },
2121 {
2122 .subvendor = 0x8086,
2123 .subdevice = 0x2000,
2124 .mask = 0xfff0,
2125 .name = "Intel ICH5/AD1985",
2126 .type = AC97_TUNE_AD_SHARING
2127 },
2128 {
2129 .subvendor = 0x8086,
2130 .subdevice = 0x4000,
2131 .mask = 0xfff0,
2132 .name = "Intel ICH5/AD1985",
2133 .type = AC97_TUNE_AD_SHARING
2134 },
2135 {
2136 .subvendor = 0x8086,
2137 .subdevice = 0x4856,
2138 .name = "Intel D845WN (82801BA)",
2139 .type = AC97_TUNE_SWAP_HP
2140 },
2141 {
2142 .subvendor = 0x8086,
2143 .subdevice = 0x4d44,
2144 .name = "Intel D850EMV2", /* AD1885 */
2145 .type = AC97_TUNE_HP_ONLY
2146 },
2147 {
2148 .subvendor = 0x8086,
2149 .subdevice = 0x4d56,
2150 .name = "Intel ICH/AD1885",
2151 .type = AC97_TUNE_HP_ONLY
2152 },
2153 {
2154 .subvendor = 0x8086,
2155 .subdevice = 0x6000,
2156 .mask = 0xfff0,
2157 .name = "Intel ICH5/AD1985",
2158 .type = AC97_TUNE_AD_SHARING
2159 },
2160 {
2161 .subvendor = 0x8086,
2162 .subdevice = 0xe000,
2163 .mask = 0xfff0,
2164 .name = "Intel ICH5/AD1985",
2165 .type = AC97_TUNE_AD_SHARING
2166 },
2167#if 0 /* FIXME: this seems wrong on most boards */
2168 {
2169 .subvendor = 0x8086,
2170 .subdevice = 0xa000,
2171 .mask = 0xfff0,
2172 .name = "Intel ICH5/AD1985",
2173 .type = AC97_TUNE_HP_ONLY
2174 },
2175#endif
2176 { } /* terminator */
2177};
2178
2179static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2180 const char *quirk_override)
2181{
2182 struct snd_ac97_bus *pbus;
2183 struct snd_ac97_template ac97;
2184 int err;
2185 unsigned int i, codecs;
2186 unsigned int glob_sta = 0;
2187 struct snd_ac97_bus_ops *ops;
2188 static struct snd_ac97_bus_ops standard_bus_ops = {
2189 .write = snd_intel8x0_codec_write,
2190 .read = snd_intel8x0_codec_read,
2191 };
2192 static struct snd_ac97_bus_ops ali_bus_ops = {
2193 .write = snd_intel8x0_ali_codec_write,
2194 .read = snd_intel8x0_ali_codec_read,
2195 };
2196
2197 chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2198 if (!spdif_aclink) {
2199 switch (chip->device_type) {
2200 case DEVICE_NFORCE:
2201 chip->spdif_idx = NVD_SPBAR;
2202 break;
2203 case DEVICE_ALI:
2204 chip->spdif_idx = ALID_AC97SPDIFOUT;
2205 break;
2206 case DEVICE_INTEL_ICH4:
2207 chip->spdif_idx = ICHD_SPBAR;
2208 break;
2209 };
2210 }
2211
2212 chip->in_ac97_init = 1;
2213
2214 memset(&ac97, 0, sizeof(ac97));
2215 ac97.private_data = chip;
2216 ac97.private_free = snd_intel8x0_mixer_free_ac97;
2217 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2218 if (chip->xbox)
2219 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2220 if (chip->device_type != DEVICE_ALI) {
2221 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2222 ops = &standard_bus_ops;
2223 chip->in_sdin_init = 1;
2224 codecs = 0;
2225 for (i = 0; i < chip->max_codecs; i++) {
2226 if (! (glob_sta & chip->codec_bit[i]))
2227 continue;
2228 if (chip->device_type == DEVICE_INTEL_ICH4) {
2229 snd_intel8x0_codec_read_test(chip, codecs);
2230 chip->ac97_sdin[codecs] =
2231 igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2232 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2233 chip->ac97_sdin[codecs] = 0;
2234 } else
2235 chip->ac97_sdin[codecs] = i;
2236 codecs++;
2237 }
2238 chip->in_sdin_init = 0;
2239 if (! codecs)
2240 codecs = 1;
2241 } else {
2242 ops = &ali_bus_ops;
2243 codecs = 1;
2244 /* detect the secondary codec */
2245 for (i = 0; i < 100; i++) {
2246 unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2247 if (reg & 0x40) {
2248 codecs = 2;
2249 break;
2250 }
2251 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2252 udelay(1);
2253 }
2254 }
2255 if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2256 goto __err;
2257 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2258 if (ac97_clock >= 8000 && ac97_clock <= 48000)
2259 pbus->clock = ac97_clock;
2260 /* FIXME: my test board doesn't work well with VRA... */
2261 if (chip->device_type == DEVICE_ALI)
2262 pbus->no_vra = 1;
2263 else
2264 pbus->dra = 1;
2265 chip->ac97_bus = pbus;
2266 chip->ncodecs = codecs;
2267
2268 ac97.pci = chip->pci;
2269 for (i = 0; i < codecs; i++) {
2270 ac97.num = i;
2271 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2272 if (err != -EACCES)
2273 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i);
2274 if (i == 0)
2275 goto __err;
2276 }
2277 }
2278 /* tune up the primary codec */
2279 snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2280 /* enable separate SDINs for ICH4 */
2281 if (chip->device_type == DEVICE_INTEL_ICH4)
2282 pbus->isdin = 1;
2283 /* find the available PCM streams */
2284 i = ARRAY_SIZE(ac97_pcm_defs);
2285 if (chip->device_type != DEVICE_INTEL_ICH4)
2286 i -= 2; /* do not allocate PCM2IN and MIC2 */
2287 if (chip->spdif_idx < 0)
2288 i--; /* do not allocate S/PDIF */
2289 err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2290 if (err < 0)
2291 goto __err;
2292 chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2293 chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2294 chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2295 if (chip->spdif_idx >= 0)
2296 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2297 if (chip->device_type == DEVICE_INTEL_ICH4) {
2298 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2299 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2300 }
2301 /* enable separate SDINs for ICH4 */
2302 if (chip->device_type == DEVICE_INTEL_ICH4) {
2303 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2304 u8 tmp = igetbyte(chip, ICHREG(SDM));
2305 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2306 if (pcm) {
2307 tmp |= ICH_SE; /* steer enable for multiple SDINs */
2308 tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2309 for (i = 1; i < 4; i++) {
2310 if (pcm->r[0].codec[i]) {
2311 tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2312 break;
2313 }
2314 }
2315 } else {
2316 tmp &= ~ICH_SE; /* steer disable */
2317 }
2318 iputbyte(chip, ICHREG(SDM), tmp);
2319 }
2320 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2321 chip->multi4 = 1;
2322 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2323 chip->multi6 = 1;
2324 if (chip->ac97[0]->flags & AC97_HAS_8CH)
2325 chip->multi8 = 1;
2326 }
2327 }
2328 if (pbus->pcms[0].r[1].rslots[0]) {
2329 chip->dra = 1;
2330 }
2331 if (chip->device_type == DEVICE_INTEL_ICH4) {
2332 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2333 chip->smp20bit = 1;
2334 }
2335 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2336 /* 48kHz only */
2337 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2338 }
2339 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2340 /* use slot 10/11 for SPDIF */
2341 u32 val;
2342 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2343 val |= ICH_PCM_SPDIF_1011;
2344 iputdword(chip, ICHREG(GLOB_CNT), val);
2345 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2346 }
2347 chip->in_ac97_init = 0;
2348 return 0;
2349
2350 __err:
2351 /* clear the cold-reset bit for the next chance */
2352 if (chip->device_type != DEVICE_ALI)
2353 iputdword(chip, ICHREG(GLOB_CNT),
2354 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2355 return err;
2356}
2357
2358
2359/*
2360 *
2361 */
2362
2363static void do_ali_reset(struct intel8x0 *chip)
2364{
2365 iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2366 iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2367 iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2368 iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2369 iputdword(chip, ICHREG(ALI_INTERFACECR),
2370 ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2371 iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2372 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2373}
2374
2375#ifdef CONFIG_SND_AC97_POWER_SAVE
2376static struct snd_pci_quirk ich_chip_reset_mode[] = {
2377 SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2378 { } /* end */
2379};
2380
2381static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2382{
2383 unsigned int cnt;
2384 /* ACLink on, 2 channels */
2385
2386 if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2387 return -EIO;
2388
2389 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2390 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2391
2392 /* do cold reset - the full ac97 powerdown may leave the controller
2393 * in a warm state but actually it cannot communicate with the codec.
2394 */
2395 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2396 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2397 udelay(10);
2398 iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2399 msleep(1);
2400 return 0;
2401}
2402#define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2403 (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2404#else
2405#define snd_intel8x0_ich_chip_cold_reset(chip) 0
2406#define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2407#endif
2408
2409static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2410{
2411 unsigned long end_time;
2412 unsigned int cnt;
2413 /* ACLink on, 2 channels */
2414 cnt = igetdword(chip, ICHREG(GLOB_CNT));
2415 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2416 /* finish cold or do warm reset */
2417 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2418 iputdword(chip, ICHREG(GLOB_CNT), cnt);
2419 end_time = (jiffies + (HZ / 4)) + 1;
2420 do {
2421 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2422 return 0;
2423 schedule_timeout_uninterruptible(1);
2424 } while (time_after_eq(end_time, jiffies));
2425 snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
2426 igetdword(chip, ICHREG(GLOB_CNT)));
2427 return -EIO;
2428}
2429
2430static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2431{
2432 unsigned long end_time;
2433 unsigned int status, nstatus;
2434 unsigned int cnt;
2435 int err;
2436
2437 /* put logic to right state */
2438 /* first clear status bits */
2439 status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2440 if (chip->device_type == DEVICE_NFORCE)
2441 status |= ICH_NVSPINT;
2442 cnt = igetdword(chip, ICHREG(GLOB_STA));
2443 iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2444
2445 if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2446 err = snd_intel8x0_ich_chip_cold_reset(chip);
2447 else
2448 err = snd_intel8x0_ich_chip_reset(chip);
2449 if (err < 0)
2450 return err;
2451
2452 if (probing) {
2453 /* wait for any codec ready status.
2454 * Once it becomes ready it should remain ready
2455 * as long as we do not disable the ac97 link.
2456 */
2457 end_time = jiffies + HZ;
2458 do {
2459 status = igetdword(chip, ICHREG(GLOB_STA)) &
2460 chip->codec_isr_bits;
2461 if (status)
2462 break;
2463 schedule_timeout_uninterruptible(1);
2464 } while (time_after_eq(end_time, jiffies));
2465 if (! status) {
2466 /* no codec is found */
2467 snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
2468 igetdword(chip, ICHREG(GLOB_STA)));
2469 return -EIO;
2470 }
2471
2472 /* wait for other codecs ready status. */
2473 end_time = jiffies + HZ / 4;
2474 while (status != chip->codec_isr_bits &&
2475 time_after_eq(end_time, jiffies)) {
2476 schedule_timeout_uninterruptible(1);
2477 status |= igetdword(chip, ICHREG(GLOB_STA)) &
2478 chip->codec_isr_bits;
2479 }
2480
2481 } else {
2482 /* resume phase */
2483 int i;
2484 status = 0;
2485 for (i = 0; i < chip->ncodecs; i++)
2486 if (chip->ac97[i])
2487 status |= chip->codec_bit[chip->ac97_sdin[i]];
2488 /* wait until all the probed codecs are ready */
2489 end_time = jiffies + HZ;
2490 do {
2491 nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2492 chip->codec_isr_bits;
2493 if (status == nstatus)
2494 break;
2495 schedule_timeout_uninterruptible(1);
2496 } while (time_after_eq(end_time, jiffies));
2497 }
2498
2499 if (chip->device_type == DEVICE_SIS) {
2500 /* unmute the output on SIS7012 */
2501 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2502 }
2503 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2504 /* enable SPDIF interrupt */
2505 unsigned int val;
2506 pci_read_config_dword(chip->pci, 0x4c, &val);
2507 val |= 0x1000000;
2508 pci_write_config_dword(chip->pci, 0x4c, val);
2509 }
2510 return 0;
2511}
2512
2513static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2514{
2515 u32 reg;
2516 int i = 0;
2517
2518 reg = igetdword(chip, ICHREG(ALI_SCR));
2519 if ((reg & 2) == 0) /* Cold required */
2520 reg |= 2;
2521 else
2522 reg |= 1; /* Warm */
2523 reg &= ~0x80000000; /* ACLink on */
2524 iputdword(chip, ICHREG(ALI_SCR), reg);
2525
2526 for (i = 0; i < HZ / 2; i++) {
2527 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2528 goto __ok;
2529 schedule_timeout_uninterruptible(1);
2530 }
2531 snd_printk(KERN_ERR "AC'97 reset failed.\n");
2532 if (probing)
2533 return -EIO;
2534
2535 __ok:
2536 for (i = 0; i < HZ / 2; i++) {
2537 reg = igetdword(chip, ICHREG(ALI_RTSR));
2538 if (reg & 0x80) /* primary codec */
2539 break;
2540 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2541 schedule_timeout_uninterruptible(1);
2542 }
2543
2544 do_ali_reset(chip);
2545 return 0;
2546}
2547
2548static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2549{
2550 unsigned int i, timeout;
2551 int err;
2552
2553 if (chip->device_type != DEVICE_ALI) {
2554 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2555 return err;
2556 iagetword(chip, 0); /* clear semaphore flag */
2557 } else {
2558 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2559 return err;
2560 }
2561
2562 /* disable interrupts */
2563 for (i = 0; i < chip->bdbars_count; i++)
2564 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2565 /* reset channels */
2566 for (i = 0; i < chip->bdbars_count; i++)
2567 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2568 for (i = 0; i < chip->bdbars_count; i++) {
2569 timeout = 100000;
2570 while (--timeout != 0) {
2571 if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2572 break;
2573 }
2574 if (timeout == 0)
2575 printk(KERN_ERR "intel8x0: reset of registers failed?\n");
2576 }
2577 /* initialize Buffer Descriptor Lists */
2578 for (i = 0; i < chip->bdbars_count; i++)
2579 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2580 chip->ichd[i].bdbar_addr);
2581 return 0;
2582}
2583
2584static int snd_intel8x0_free(struct intel8x0 *chip)
2585{
2586 unsigned int i;
2587
2588 if (chip->irq < 0)
2589 goto __hw_end;
2590 /* disable interrupts */
2591 for (i = 0; i < chip->bdbars_count; i++)
2592 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2593 /* reset channels */
2594 for (i = 0; i < chip->bdbars_count; i++)
2595 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2596 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2597 /* stop the spdif interrupt */
2598 unsigned int val;
2599 pci_read_config_dword(chip->pci, 0x4c, &val);
2600 val &= ~0x1000000;
2601 pci_write_config_dword(chip->pci, 0x4c, val);
2602 }
2603 /* --- */
2604
2605 __hw_end:
2606 if (chip->irq >= 0)
2607 free_irq(chip->irq, chip);
2608 if (chip->bdbars.area) {
2609 if (chip->fix_nocache)
2610 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2611 snd_dma_free_pages(&chip->bdbars);
2612 }
2613 if (chip->addr)
2614 pci_iounmap(chip->pci, chip->addr);
2615 if (chip->bmaddr)
2616 pci_iounmap(chip->pci, chip->bmaddr);
2617 pci_release_regions(chip->pci);
2618 pci_disable_device(chip->pci);
2619 kfree(chip);
2620 return 0;
2621}
2622
2623#ifdef CONFIG_PM
2624/*
2625 * power management
2626 */
2627static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
2628{
2629 struct snd_card *card = pci_get_drvdata(pci);
2630 struct intel8x0 *chip = card->private_data;
2631 int i;
2632
2633 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2634 for (i = 0; i < chip->pcm_devs; i++)
2635 snd_pcm_suspend_all(chip->pcm[i]);
2636 /* clear nocache */
2637 if (chip->fix_nocache) {
2638 for (i = 0; i < chip->bdbars_count; i++) {
2639 struct ichdev *ichdev = &chip->ichd[i];
2640 if (ichdev->substream && ichdev->page_attr_changed) {
2641 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2642 if (runtime->dma_area)
2643 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2644 }
2645 }
2646 }
2647 for (i = 0; i < chip->ncodecs; i++)
2648 snd_ac97_suspend(chip->ac97[i]);
2649 if (chip->device_type == DEVICE_INTEL_ICH4)
2650 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2651
2652 if (chip->irq >= 0) {
2653 free_irq(chip->irq, chip);
2654 chip->irq = -1;
2655 }
2656 pci_disable_device(pci);
2657 pci_save_state(pci);
2658 /* The call below may disable built-in speaker on some laptops
2659 * after S2RAM. So, don't touch it.
2660 */
2661 /* pci_set_power_state(pci, pci_choose_state(pci, state)); */
2662 return 0;
2663}
2664
2665static int intel8x0_resume(struct pci_dev *pci)
2666{
2667 struct snd_card *card = pci_get_drvdata(pci);
2668 struct intel8x0 *chip = card->private_data;
2669 int i;
2670
2671 pci_set_power_state(pci, PCI_D0);
2672 pci_restore_state(pci);
2673 if (pci_enable_device(pci) < 0) {
2674 printk(KERN_ERR "intel8x0: pci_enable_device failed, "
2675 "disabling device\n");
2676 snd_card_disconnect(card);
2677 return -EIO;
2678 }
2679 pci_set_master(pci);
2680 snd_intel8x0_chip_init(chip, 0);
2681 if (request_irq(pci->irq, snd_intel8x0_interrupt,
2682 IRQF_SHARED, KBUILD_MODNAME, chip)) {
2683 printk(KERN_ERR "intel8x0: unable to grab IRQ %d, "
2684 "disabling device\n", pci->irq);
2685 snd_card_disconnect(card);
2686 return -EIO;
2687 }
2688 chip->irq = pci->irq;
2689 synchronize_irq(chip->irq);
2690
2691 /* re-initialize mixer stuff */
2692 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2693 /* enable separate SDINs for ICH4 */
2694 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2695 /* use slot 10/11 for SPDIF */
2696 iputdword(chip, ICHREG(GLOB_CNT),
2697 (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2698 ICH_PCM_SPDIF_1011);
2699 }
2700
2701 /* refill nocache */
2702 if (chip->fix_nocache)
2703 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2704
2705 for (i = 0; i < chip->ncodecs; i++)
2706 snd_ac97_resume(chip->ac97[i]);
2707
2708 /* refill nocache */
2709 if (chip->fix_nocache) {
2710 for (i = 0; i < chip->bdbars_count; i++) {
2711 struct ichdev *ichdev = &chip->ichd[i];
2712 if (ichdev->substream && ichdev->page_attr_changed) {
2713 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2714 if (runtime->dma_area)
2715 fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2716 }
2717 }
2718 }
2719
2720 /* resume status */
2721 for (i = 0; i < chip->bdbars_count; i++) {
2722 struct ichdev *ichdev = &chip->ichd[i];
2723 unsigned long port = ichdev->reg_offset;
2724 if (! ichdev->substream || ! ichdev->suspended)
2725 continue;
2726 if (ichdev->ichd == ICHD_PCMOUT)
2727 snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2728 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2729 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2730 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2731 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2732 }
2733
2734 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2735 return 0;
2736}
2737#endif /* CONFIG_PM */
2738
2739#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */
2740
2741static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2742{
2743 struct snd_pcm_substream *subs;
2744 struct ichdev *ichdev;
2745 unsigned long port;
2746 unsigned long pos, pos1, t;
2747 int civ, timeout = 1000, attempt = 1;
2748 struct timespec start_time, stop_time;
2749
2750 if (chip->ac97_bus->clock != 48000)
2751 return; /* specified in module option */
2752
2753 __again:
2754 subs = chip->pcm[0]->streams[0].substream;
2755 if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2756 snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
2757 return;
2758 }
2759 ichdev = &chip->ichd[ICHD_PCMOUT];
2760 ichdev->physbuf = subs->dma_buffer.addr;
2761 ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2762 ichdev->substream = NULL; /* don't process interrupts */
2763
2764 /* set rate */
2765 if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2766 snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock);
2767 return;
2768 }
2769 snd_intel8x0_setup_periods(chip, ichdev);
2770 port = ichdev->reg_offset;
2771 spin_lock_irq(&chip->reg_lock);
2772 chip->in_measurement = 1;
2773 /* trigger */
2774 if (chip->device_type != DEVICE_ALI)
2775 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2776 else {
2777 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2778 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2779 }
2780 do_posix_clock_monotonic_gettime(&start_time);
2781 spin_unlock_irq(&chip->reg_lock);
2782 msleep(50);
2783 spin_lock_irq(&chip->reg_lock);
2784 /* check the position */
2785 do {
2786 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2787 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2788 if (pos1 == 0) {
2789 udelay(10);
2790 continue;
2791 }
2792 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2793 pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2794 break;
2795 } while (timeout--);
2796 if (pos1 == 0) { /* oops, this value is not reliable */
2797 pos = 0;
2798 } else {
2799 pos = ichdev->fragsize1;
2800 pos -= pos1 << ichdev->pos_shift;
2801 pos += ichdev->position;
2802 }
2803 chip->in_measurement = 0;
2804 do_posix_clock_monotonic_gettime(&stop_time);
2805 /* stop */
2806 if (chip->device_type == DEVICE_ALI) {
2807 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2808 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2809 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2810 ;
2811 } else {
2812 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2813 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2814 ;
2815 }
2816 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2817 spin_unlock_irq(&chip->reg_lock);
2818
2819 if (pos == 0) {
2820 snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n");
2821 __retry:
2822 if (attempt < 3) {
2823 msleep(300);
2824 attempt++;
2825 goto __again;
2826 }
2827 goto __end;
2828 }
2829
2830 pos /= 4;
2831 t = stop_time.tv_sec - start_time.tv_sec;
2832 t *= 1000000;
2833 t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000;
2834 printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2835 if (t == 0) {
2836 snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n");
2837 goto __retry;
2838 }
2839 pos *= 1000;
2840 pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2841 if (pos < 40000 || pos >= 60000) {
2842 /* abnormal value. hw problem? */
2843 printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
2844 goto __retry;
2845 } else if (pos > 40500 && pos < 41500)
2846 /* first exception - 41000Hz reference clock */
2847 chip->ac97_bus->clock = 41000;
2848 else if (pos > 43600 && pos < 44600)
2849 /* second exception - 44100HZ reference clock */
2850 chip->ac97_bus->clock = 44100;
2851 else if (pos < 47500 || pos > 48500)
2852 /* not 48000Hz, tuning the clock.. */
2853 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2854 __end:
2855 printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
2856 snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2857}
2858
2859static struct snd_pci_quirk intel8x0_clock_list[] __devinitdata = {
2860 SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2861 SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2862 SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2863 SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2864 SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2865 { } /* terminator */
2866};
2867
2868static int __devinit intel8x0_in_clock_list(struct intel8x0 *chip)
2869{
2870 struct pci_dev *pci = chip->pci;
2871 const struct snd_pci_quirk *wl;
2872
2873 wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2874 if (!wl)
2875 return 0;
2876 printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n",
2877 pci->subsystem_vendor, pci->subsystem_device, wl->value);
2878 chip->ac97_bus->clock = wl->value;
2879 return 1;
2880}
2881
2882#ifdef CONFIG_PROC_FS
2883static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2884 struct snd_info_buffer *buffer)
2885{
2886 struct intel8x0 *chip = entry->private_data;
2887 unsigned int tmp;
2888
2889 snd_iprintf(buffer, "Intel8x0\n\n");
2890 if (chip->device_type == DEVICE_ALI)
2891 return;
2892 tmp = igetdword(chip, ICHREG(GLOB_STA));
2893 snd_iprintf(buffer, "Global control : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2894 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp);
2895 if (chip->device_type == DEVICE_INTEL_ICH4)
2896 snd_iprintf(buffer, "SDM : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2897 snd_iprintf(buffer, "AC'97 codecs ready :");
2898 if (tmp & chip->codec_isr_bits) {
2899 int i;
2900 static const char *codecs[3] = {
2901 "primary", "secondary", "tertiary"
2902 };
2903 for (i = 0; i < chip->max_codecs; i++)
2904 if (tmp & chip->codec_bit[i])
2905 snd_iprintf(buffer, " %s", codecs[i]);
2906 } else
2907 snd_iprintf(buffer, " none");
2908 snd_iprintf(buffer, "\n");
2909 if (chip->device_type == DEVICE_INTEL_ICH4 ||
2910 chip->device_type == DEVICE_SIS)
2911 snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n",
2912 chip->ac97_sdin[0],
2913 chip->ac97_sdin[1],
2914 chip->ac97_sdin[2]);
2915}
2916
2917static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip)
2918{
2919 struct snd_info_entry *entry;
2920
2921 if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2922 snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
2923}
2924#else
2925#define snd_intel8x0_proc_init(x)
2926#endif
2927
2928static int snd_intel8x0_dev_free(struct snd_device *device)
2929{
2930 struct intel8x0 *chip = device->device_data;
2931 return snd_intel8x0_free(chip);
2932}
2933
2934struct ich_reg_info {
2935 unsigned int int_sta_mask;
2936 unsigned int offset;
2937};
2938
2939static unsigned int ich_codec_bits[3] = {
2940 ICH_PCR, ICH_SCR, ICH_TCR
2941};
2942static unsigned int sis_codec_bits[3] = {
2943 ICH_PCR, ICH_SCR, ICH_SIS_TCR
2944};
2945
2946static int __devinit snd_intel8x0_inside_vm(struct pci_dev *pci)
2947{
2948 int result = inside_vm;
2949 char *msg = NULL;
2950
2951 /* check module parameter first (override detection) */
2952 if (result >= 0) {
2953 msg = result ? "enable (forced) VM" : "disable (forced) VM";
2954 goto fini;
2955 }
2956
2957 /* detect KVM and Parallels virtual environments */
2958 result = kvm_para_available();
2959#ifdef X86_FEATURE_HYPERVISOR
2960 result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
2961#endif
2962 if (!result)
2963 goto fini;
2964
2965 /* check for known (emulated) devices */
2966 if (pci->subsystem_vendor == 0x1af4 &&
2967 pci->subsystem_device == 0x1100) {
2968 /* KVM emulated sound, PCI SSID: 1af4:1100 */
2969 msg = "enable KVM";
2970 } else if (pci->subsystem_vendor == 0x1ab8) {
2971 /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
2972 msg = "enable Parallels VM";
2973 } else {
2974 msg = "disable (unknown or VT-d) VM";
2975 result = 0;
2976 }
2977
2978fini:
2979 if (msg != NULL)
2980 printk(KERN_INFO "intel8x0: %s optimization\n", msg);
2981
2982 return result;
2983}
2984
2985static int __devinit snd_intel8x0_create(struct snd_card *card,
2986 struct pci_dev *pci,
2987 unsigned long device_type,
2988 struct intel8x0 ** r_intel8x0)
2989{
2990 struct intel8x0 *chip;
2991 int err;
2992 unsigned int i;
2993 unsigned int int_sta_masks;
2994 struct ichdev *ichdev;
2995 static struct snd_device_ops ops = {
2996 .dev_free = snd_intel8x0_dev_free,
2997 };
2998
2999 static unsigned int bdbars[] = {
3000 3, /* DEVICE_INTEL */
3001 6, /* DEVICE_INTEL_ICH4 */
3002 3, /* DEVICE_SIS */
3003 6, /* DEVICE_ALI */
3004 4, /* DEVICE_NFORCE */
3005 };
3006 static struct ich_reg_info intel_regs[6] = {
3007 { ICH_PIINT, 0 },
3008 { ICH_POINT, 0x10 },
3009 { ICH_MCINT, 0x20 },
3010 { ICH_M2INT, 0x40 },
3011 { ICH_P2INT, 0x50 },
3012 { ICH_SPINT, 0x60 },
3013 };
3014 static struct ich_reg_info nforce_regs[4] = {
3015 { ICH_PIINT, 0 },
3016 { ICH_POINT, 0x10 },
3017 { ICH_MCINT, 0x20 },
3018 { ICH_NVSPINT, 0x70 },
3019 };
3020 static struct ich_reg_info ali_regs[6] = {
3021 { ALI_INT_PCMIN, 0x40 },
3022 { ALI_INT_PCMOUT, 0x50 },
3023 { ALI_INT_MICIN, 0x60 },
3024 { ALI_INT_CODECSPDIFOUT, 0x70 },
3025 { ALI_INT_SPDIFIN, 0xa0 },
3026 { ALI_INT_SPDIFOUT, 0xb0 },
3027 };
3028 struct ich_reg_info *tbl;
3029
3030 *r_intel8x0 = NULL;
3031
3032 if ((err = pci_enable_device(pci)) < 0)
3033 return err;
3034
3035 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
3036 if (chip == NULL) {
3037 pci_disable_device(pci);
3038 return -ENOMEM;
3039 }
3040 spin_lock_init(&chip->reg_lock);
3041 chip->device_type = device_type;
3042 chip->card = card;
3043 chip->pci = pci;
3044 chip->irq = -1;
3045
3046 /* module parameters */
3047 chip->buggy_irq = buggy_irq;
3048 chip->buggy_semaphore = buggy_semaphore;
3049 if (xbox)
3050 chip->xbox = 1;
3051
3052 chip->inside_vm = snd_intel8x0_inside_vm(pci);
3053
3054 if (pci->vendor == PCI_VENDOR_ID_INTEL &&
3055 pci->device == PCI_DEVICE_ID_INTEL_440MX)
3056 chip->fix_nocache = 1; /* enable workaround */
3057
3058 if ((err = pci_request_regions(pci, card->shortname)) < 0) {
3059 kfree(chip);
3060 pci_disable_device(pci);
3061 return err;
3062 }
3063
3064 if (device_type == DEVICE_ALI) {
3065 /* ALI5455 has no ac97 region */
3066 chip->bmaddr = pci_iomap(pci, 0, 0);
3067 goto port_inited;
3068 }
3069
3070 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
3071 chip->addr = pci_iomap(pci, 2, 0);
3072 else
3073 chip->addr = pci_iomap(pci, 0, 0);
3074 if (!chip->addr) {
3075 snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
3076 snd_intel8x0_free(chip);
3077 return -EIO;
3078 }
3079 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
3080 chip->bmaddr = pci_iomap(pci, 3, 0);
3081 else
3082 chip->bmaddr = pci_iomap(pci, 1, 0);
3083 if (!chip->bmaddr) {
3084 snd_printk(KERN_ERR "Controller space ioremap problem\n");
3085 snd_intel8x0_free(chip);
3086 return -EIO;
3087 }
3088
3089 port_inited:
3090 chip->bdbars_count = bdbars[device_type];
3091
3092 /* initialize offsets */
3093 switch (device_type) {
3094 case DEVICE_NFORCE:
3095 tbl = nforce_regs;
3096 break;
3097 case DEVICE_ALI:
3098 tbl = ali_regs;
3099 break;
3100 default:
3101 tbl = intel_regs;
3102 break;
3103 }
3104 for (i = 0; i < chip->bdbars_count; i++) {
3105 ichdev = &chip->ichd[i];
3106 ichdev->ichd = i;
3107 ichdev->reg_offset = tbl[i].offset;
3108 ichdev->int_sta_mask = tbl[i].int_sta_mask;
3109 if (device_type == DEVICE_SIS) {
3110 /* SiS 7012 swaps the registers */
3111 ichdev->roff_sr = ICH_REG_OFF_PICB;
3112 ichdev->roff_picb = ICH_REG_OFF_SR;
3113 } else {
3114 ichdev->roff_sr = ICH_REG_OFF_SR;
3115 ichdev->roff_picb = ICH_REG_OFF_PICB;
3116 }
3117 if (device_type == DEVICE_ALI)
3118 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3119 /* SIS7012 handles the pcm data in bytes, others are in samples */
3120 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3121 }
3122
3123 /* allocate buffer descriptor lists */
3124 /* the start of each lists must be aligned to 8 bytes */
3125 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
3126 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3127 &chip->bdbars) < 0) {
3128 snd_intel8x0_free(chip);
3129 snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n");
3130 return -ENOMEM;
3131 }
3132 /* tables must be aligned to 8 bytes here, but the kernel pages
3133 are much bigger, so we don't care (on i386) */
3134 /* workaround for 440MX */
3135 if (chip->fix_nocache)
3136 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
3137 int_sta_masks = 0;
3138 for (i = 0; i < chip->bdbars_count; i++) {
3139 ichdev = &chip->ichd[i];
3140 ichdev->bdbar = ((u32 *)chip->bdbars.area) +
3141 (i * ICH_MAX_FRAGS * 2);
3142 ichdev->bdbar_addr = chip->bdbars.addr +
3143 (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3144 int_sta_masks |= ichdev->int_sta_mask;
3145 }
3146 chip->int_sta_reg = device_type == DEVICE_ALI ?
3147 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3148 chip->int_sta_mask = int_sta_masks;
3149
3150 pci_set_master(pci);
3151
3152 switch(chip->device_type) {
3153 case DEVICE_INTEL_ICH4:
3154 /* ICH4 can have three codecs */
3155 chip->max_codecs = 3;
3156 chip->codec_bit = ich_codec_bits;
3157 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3158 break;
3159 case DEVICE_SIS:
3160 /* recent SIS7012 can have three codecs */
3161 chip->max_codecs = 3;
3162 chip->codec_bit = sis_codec_bits;
3163 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3164 break;
3165 default:
3166 /* others up to two codecs */
3167 chip->max_codecs = 2;
3168 chip->codec_bit = ich_codec_bits;
3169 chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3170 break;
3171 }
3172 for (i = 0; i < chip->max_codecs; i++)
3173 chip->codec_isr_bits |= chip->codec_bit[i];
3174
3175 if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3176 snd_intel8x0_free(chip);
3177 return err;
3178 }
3179
3180 /* request irq after initializaing int_sta_mask, etc */
3181 if (request_irq(pci->irq, snd_intel8x0_interrupt,
3182 IRQF_SHARED, KBUILD_MODNAME, chip)) {
3183 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
3184 snd_intel8x0_free(chip);
3185 return -EBUSY;
3186 }
3187 chip->irq = pci->irq;
3188
3189 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3190 snd_intel8x0_free(chip);
3191 return err;
3192 }
3193
3194 snd_card_set_dev(card, &pci->dev);
3195
3196 *r_intel8x0 = chip;
3197 return 0;
3198}
3199
3200static struct shortname_table {
3201 unsigned int id;
3202 const char *s;
3203} shortnames[] __devinitdata = {
3204 { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3205 { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3206 { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3207 { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3208 { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3209 { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3210 { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3211 { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3212 { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3213 { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3214 { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3215 { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3216 { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3217 { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3218 { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3219 { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3220 { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3221 { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3222 { 0x003a, "NVidia MCP04" },
3223 { 0x746d, "AMD AMD8111" },
3224 { 0x7445, "AMD AMD768" },
3225 { 0x5455, "ALi M5455" },
3226 { 0, NULL },
3227};
3228
3229static struct snd_pci_quirk spdif_aclink_defaults[] __devinitdata = {
3230 SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3231 { } /* end */
3232};
3233
3234/* look up white/black list for SPDIF over ac-link */
3235static int __devinit check_default_spdif_aclink(struct pci_dev *pci)
3236{
3237 const struct snd_pci_quirk *w;
3238
3239 w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3240 if (w) {
3241 if (w->value)
3242 snd_printdd(KERN_INFO "intel8x0: Using SPDIF over "
3243 "AC-Link for %s\n", w->name);
3244 else
3245 snd_printdd(KERN_INFO "intel8x0: Using integrated "
3246 "SPDIF DMA for %s\n", w->name);
3247 return w->value;
3248 }
3249 return 0;
3250}
3251
3252static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
3253 const struct pci_device_id *pci_id)
3254{
3255 struct snd_card *card;
3256 struct intel8x0 *chip;
3257 int err;
3258 struct shortname_table *name;
3259
3260 err = snd_card_create(index, id, THIS_MODULE, 0, &card);
3261 if (err < 0)
3262 return err;
3263
3264 if (spdif_aclink < 0)
3265 spdif_aclink = check_default_spdif_aclink(pci);
3266
3267 strcpy(card->driver, "ICH");
3268 if (!spdif_aclink) {
3269 switch (pci_id->driver_data) {
3270 case DEVICE_NFORCE:
3271 strcpy(card->driver, "NFORCE");
3272 break;
3273 case DEVICE_INTEL_ICH4:
3274 strcpy(card->driver, "ICH4");
3275 }
3276 }
3277
3278 strcpy(card->shortname, "Intel ICH");
3279 for (name = shortnames; name->id; name++) {
3280 if (pci->device == name->id) {
3281 strcpy(card->shortname, name->s);
3282 break;
3283 }
3284 }
3285
3286 if (buggy_irq < 0) {
3287 /* some Nforce[2] and ICH boards have problems with IRQ handling.
3288 * Needs to return IRQ_HANDLED for unknown irqs.
3289 */
3290 if (pci_id->driver_data == DEVICE_NFORCE)
3291 buggy_irq = 1;
3292 else
3293 buggy_irq = 0;
3294 }
3295
3296 if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3297 &chip)) < 0) {
3298 snd_card_free(card);
3299 return err;
3300 }
3301 card->private_data = chip;
3302
3303 if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3304 snd_card_free(card);
3305 return err;
3306 }
3307 if ((err = snd_intel8x0_pcm(chip)) < 0) {
3308 snd_card_free(card);
3309 return err;
3310 }
3311
3312 snd_intel8x0_proc_init(chip);
3313
3314 snprintf(card->longname, sizeof(card->longname),
3315 "%s with %s at irq %i", card->shortname,
3316 snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3317
3318 if (ac97_clock == 0 || ac97_clock == 1) {
3319 if (ac97_clock == 0) {
3320 if (intel8x0_in_clock_list(chip) == 0)
3321 intel8x0_measure_ac97_clock(chip);
3322 } else {
3323 intel8x0_measure_ac97_clock(chip);
3324 }
3325 }
3326
3327 if ((err = snd_card_register(card)) < 0) {
3328 snd_card_free(card);
3329 return err;
3330 }
3331 pci_set_drvdata(pci, card);
3332 return 0;
3333}
3334
3335static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
3336{
3337 snd_card_free(pci_get_drvdata(pci));
3338 pci_set_drvdata(pci, NULL);
3339}
3340
3341static struct pci_driver intel8x0_driver = {
3342 .name = KBUILD_MODNAME,
3343 .id_table = snd_intel8x0_ids,
3344 .probe = snd_intel8x0_probe,
3345 .remove = __devexit_p(snd_intel8x0_remove),
3346#ifdef CONFIG_PM
3347 .suspend = intel8x0_suspend,
3348 .resume = intel8x0_resume,
3349#endif
3350};
3351
3352module_pci_driver(intel8x0_driver);