2 * ALSA modem driver for Intel ICH (i8x0) chipsets
4 * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
6 * This is modified (by Sasha Khapyorsky <sashak@smlink.com>) version
7 * of ALSA ICH sound driver intel8x0.c .
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include <sound/driver.h>
28 #include <linux/delay.h>
29 #include <linux/interrupt.h>
30 #include <linux/init.h>
31 #include <linux/pci.h>
32 #include <linux/slab.h>
33 #include <linux/moduleparam.h>
34 #include <sound/core.h>
35 #include <sound/pcm.h>
36 #include <sound/ac97_codec.h>
37 #include <sound/info.h>
38 #include <sound/initval.h>
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7013; NVidia MCP/2/2S/3 modems");
42 MODULE_LICENSE("GPL");
43 MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
44 "{Intel,82901AB-ICH0},"
45 "{Intel,82801BA-ICH2},"
46 "{Intel,82801CA-ICH3},"
47 "{Intel,82801DB-ICH4},"
51 "{NVidia,NForce Modem},"
52 "{NVidia,NForce2 Modem},"
53 "{NVidia,NForce2s Modem},"
54 "{NVidia,NForce3 Modem},"
57 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
58 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
59 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
60 static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
62 module_param_array(index, int, NULL, 0444);
63 MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard.");
64 module_param_array(id, charp, NULL, 0444);
65 MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard.");
66 module_param_array(enable, bool, NULL, 0444);
67 MODULE_PARM_DESC(enable, "Enable Intel i8x0 modemcard.");
68 module_param_array(ac97_clock, int, NULL, 0444);
69 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect).");
75 #ifndef PCI_DEVICE_ID_INTEL_82801_6
76 #define PCI_DEVICE_ID_INTEL_82801_6 0x2416
78 #ifndef PCI_DEVICE_ID_INTEL_82901_6
79 #define PCI_DEVICE_ID_INTEL_82901_6 0x2426
81 #ifndef PCI_DEVICE_ID_INTEL_82801BA_6
82 #define PCI_DEVICE_ID_INTEL_82801BA_6 0x2446
84 #ifndef PCI_DEVICE_ID_INTEL_440MX_6
85 #define PCI_DEVICE_ID_INTEL_440MX_6 0x7196
87 #ifndef PCI_DEVICE_ID_INTEL_ICH3_6
88 #define PCI_DEVICE_ID_INTEL_ICH3_6 0x2486
90 #ifndef PCI_DEVICE_ID_INTEL_ICH4_6
91 #define PCI_DEVICE_ID_INTEL_ICH4_6 0x24c6
93 #ifndef PCI_DEVICE_ID_INTEL_ICH5_6
94 #define PCI_DEVICE_ID_INTEL_ICH5_6 0x24d6
96 #ifndef PCI_DEVICE_ID_SI_7013
97 #define PCI_DEVICE_ID_SI_7013 0x7013
99 #ifndef PCI_DEVICE_ID_NVIDIA_MCP_MODEM
100 #define PCI_DEVICE_ID_NVIDIA_MCP_MODEM 0x01c1
102 #ifndef PCI_DEVICE_ID_NVIDIA_MCP2_MODEM
103 #define PCI_DEVICE_ID_NVIDIA_MCP2_MODEM 0x0069
105 #ifndef PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM
106 #define PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM 0x0089
108 #ifndef PCI_DEVICE_ID_NVIDIA_MCP3_MODEM
109 #define PCI_DEVICE_ID_NVIDIA_MCP3_MODEM 0x00d9
113 enum { DEVICE_INTEL, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
115 #define ICHREG(x) ICH_REG_##x
117 #define DEFINE_REGSET(name,base) \
119 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \
120 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \
121 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \
122 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \
123 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \
124 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \
125 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \
128 /* busmaster blocks */
129 DEFINE_REGSET(OFF, 0); /* offset */
131 /* values for each busmaster block */
134 #define ICH_REG_LVI_MASK 0x1f
137 #define ICH_FIFOE 0x10 /* FIFO error */
138 #define ICH_BCIS 0x08 /* buffer completion interrupt status */
139 #define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */
140 #define ICH_CELV 0x02 /* current equals last valid */
141 #define ICH_DCH 0x01 /* DMA controller halted */
144 #define ICH_REG_PIV_MASK 0x1f /* mask */
147 #define ICH_IOCE 0x10 /* interrupt on completion enable */
148 #define ICH_FEIE 0x08 /* fifo error interrupt enable */
149 #define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */
150 #define ICH_RESETREGS 0x02 /* reset busmaster registers */
151 #define ICH_STARTBM 0x01 /* start busmaster operation */
155 #define ICH_REG_GLOB_CNT 0x3c /* dword - global control */
156 #define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */
157 #define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */
158 #define ICH_PRIE 0x00000010 /* primary resume interrupt enable */
159 #define ICH_ACLINK 0x00000008 /* AClink shut off */
160 #define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */
161 #define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */
162 #define ICH_GIE 0x00000001 /* GPI interrupt enable */
163 #define ICH_REG_GLOB_STA 0x40 /* dword - global status */
164 #define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */
165 #define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */
166 #define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */
167 #define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */
168 #define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */
169 #define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */
170 #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */
171 #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */
172 #define ICH_MD3 0x00020000 /* modem power down semaphore */
173 #define ICH_AD3 0x00010000 /* audio power down semaphore */
174 #define ICH_RCS 0x00008000 /* read completion status */
175 #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */
176 #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */
177 #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */
178 #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */
179 #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */
180 #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */
181 #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */
182 #define ICH_MCINT 0x00000080 /* MIC capture interrupt */
183 #define ICH_POINT 0x00000040 /* playback interrupt */
184 #define ICH_PIINT 0x00000020 /* capture interrupt */
185 #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */
186 #define ICH_MOINT 0x00000004 /* modem playback interrupt */
187 #define ICH_MIINT 0x00000002 /* modem capture interrupt */
188 #define ICH_GSCI 0x00000001 /* GPI status change interrupt */
189 #define ICH_REG_ACC_SEMA 0x44 /* byte - codec write semaphore */
190 #define ICH_CAS 0x01 /* codec access semaphore */
192 #define ICH_MAX_FRAGS 32 /* max hw frags */
199 enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT };
200 enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT };
202 #define get_ichdev(substream) (ichdev_t *)(substream->runtime->private_data)
205 unsigned int ichd; /* ich device number */
206 unsigned long reg_offset; /* offset to bmaddr */
207 u32 *bdbar; /* CPU address (32bit) */
208 unsigned int bdbar_addr; /* PCI bus address (32bit) */
209 snd_pcm_substream_t *substream;
210 unsigned int physbuf; /* physical address (32bit) */
212 unsigned int fragsize;
213 unsigned int fragsize1;
214 unsigned int position;
221 unsigned int ack_bit;
222 unsigned int roff_sr;
223 unsigned int roff_picb;
224 unsigned int int_sta_mask; /* interrupt status mask */
225 unsigned int ali_slot; /* ALI DMA slot */
229 typedef struct _snd_intel8x0m intel8x0_t;
231 struct _snd_intel8x0m {
232 unsigned int device_type;
238 void __iomem *remap_addr;
239 unsigned int bm_mmio;
240 unsigned long bmaddr;
241 void __iomem *remap_bmaddr;
252 ac97_bus_t *ac97_bus;
257 struct snd_dma_buffer bdbars;
259 u32 int_sta_reg; /* interrupt status register */
260 u32 int_sta_mask; /* interrupt status mask */
261 unsigned int pcm_pos_shift;
264 static struct pci_device_id snd_intel8x0m_ids[] = {
265 { 0x8086, 0x2416, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */
266 { 0x8086, 0x2426, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */
267 { 0x8086, 0x2446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */
268 { 0x8086, 0x2486, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */
269 { 0x8086, 0x24c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH4 */
270 { 0x8086, 0x24d6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH5 */
271 { 0x8086, 0x7196, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */
272 { 0x1022, 0x7446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */
273 { 0x1039, 0x7013, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7013 */
274 { 0x10de, 0x01c1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */
275 { 0x10de, 0x0069, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */
276 { 0x10de, 0x0089, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2s */
277 { 0x10de, 0x00d9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */
279 { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */
280 { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */
285 MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids);
288 * Lowlevel I/O - busmaster
291 static u8 igetbyte(intel8x0_t *chip, u32 offset)
294 return readb(chip->remap_bmaddr + offset);
296 return inb(chip->bmaddr + offset);
299 static u16 igetword(intel8x0_t *chip, u32 offset)
302 return readw(chip->remap_bmaddr + offset);
304 return inw(chip->bmaddr + offset);
307 static u32 igetdword(intel8x0_t *chip, u32 offset)
310 return readl(chip->remap_bmaddr + offset);
312 return inl(chip->bmaddr + offset);
315 static void iputbyte(intel8x0_t *chip, u32 offset, u8 val)
318 writeb(val, chip->remap_bmaddr + offset);
320 outb(val, chip->bmaddr + offset);
323 static void iputword(intel8x0_t *chip, u32 offset, u16 val)
326 writew(val, chip->remap_bmaddr + offset);
328 outw(val, chip->bmaddr + offset);
331 static void iputdword(intel8x0_t *chip, u32 offset, u32 val)
334 writel(val, chip->remap_bmaddr + offset);
336 outl(val, chip->bmaddr + offset);
340 * Lowlevel I/O - AC'97 registers
343 static u16 iagetword(intel8x0_t *chip, u32 offset)
346 return readw(chip->remap_addr + offset);
348 return inw(chip->addr + offset);
351 static void iaputword(intel8x0_t *chip, u32 offset, u16 val)
354 writew(val, chip->remap_addr + offset);
356 outw(val, chip->addr + offset);
364 * access to AC97 codec via normal i/o (for ICH and SIS7013)
367 /* return the GLOB_STA bit for the corresponding codec */
368 static unsigned int get_ich_codec_bit(intel8x0_t *chip, unsigned int codec)
370 static unsigned int codec_bit[3] = {
371 ICH_PCR, ICH_SCR, ICH_TCR
373 snd_assert(codec < 3, return ICH_PCR);
374 return codec_bit[codec];
377 static int snd_intel8x0m_codec_semaphore(intel8x0_t *chip, unsigned int codec)
383 codec = get_ich_codec_bit(chip, codec);
386 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
389 /* Anyone holding a semaphore for 1 msec should be shot... */
392 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
397 /* access to some forbidden (non existant) ac97 registers will not
398 * reset the semaphore. So even if you don't get the semaphore, still
399 * continue the access. We don't need the semaphore anyway. */
400 snd_printk("codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
401 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
402 iagetword(chip, 0); /* clear semaphore flag */
403 /* I don't care about the semaphore */
407 static void snd_intel8x0_codec_write(ac97_t *ac97,
411 intel8x0_t *chip = ac97->private_data;
413 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) {
414 if (! chip->in_ac97_init)
415 snd_printk("codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
417 iaputword(chip, reg + ac97->num * 0x80, val);
420 static unsigned short snd_intel8x0_codec_read(ac97_t *ac97,
423 intel8x0_t *chip = ac97->private_data;
427 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) {
428 if (! chip->in_ac97_init)
429 snd_printk("codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
432 res = iagetword(chip, reg + ac97->num * 0x80);
433 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
434 /* reset RCS and preserve other R/WC bits */
435 iputdword(chip, ICHREG(GLOB_STA), tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
436 if (! chip->in_ac97_init)
437 snd_printk("codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
448 static void snd_intel8x0_setup_periods(intel8x0_t *chip, ichdev_t *ichdev)
451 u32 *bdbar = ichdev->bdbar;
452 unsigned long port = ichdev->reg_offset;
454 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
455 if (ichdev->size == ichdev->fragsize) {
456 ichdev->ack_reload = ichdev->ack = 2;
457 ichdev->fragsize1 = ichdev->fragsize >> 1;
458 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
459 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
460 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
461 ichdev->fragsize1 >> chip->pcm_pos_shift);
462 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
463 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
464 ichdev->fragsize1 >> chip->pcm_pos_shift);
468 ichdev->ack_reload = ichdev->ack = 1;
469 ichdev->fragsize1 = ichdev->fragsize;
470 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
471 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + (((idx >> 1) * ichdev->fragsize) % ichdev->size));
472 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
473 ichdev->fragsize >> chip->pcm_pos_shift);
474 // printk("bdbar[%i] = 0x%x [0x%x]\n", idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
476 ichdev->frags = ichdev->size / ichdev->fragsize;
478 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
480 iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
481 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
482 ichdev->position = 0;
484 printk("lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
485 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, ichdev->fragsize1);
487 /* clear interrupts */
488 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
495 static inline void snd_intel8x0_update(intel8x0_t *chip, ichdev_t *ichdev)
497 unsigned long port = ichdev->reg_offset;
501 civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
502 if (civ == ichdev->civ) {
503 // snd_printd("civ same %d\n", civ);
506 ichdev->civ &= ICH_REG_LVI_MASK;
508 step = civ - ichdev->civ;
510 step += ICH_REG_LVI_MASK + 1;
512 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
516 ichdev->position += step * ichdev->fragsize1;
517 ichdev->position %= ichdev->size;
519 ichdev->lvi &= ICH_REG_LVI_MASK;
520 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
521 for (i = 0; i < step; i++) {
523 ichdev->lvi_frag %= ichdev->frags;
524 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
525 // printk("new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n", ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), inl(port + 4), inb(port + ICH_REG_OFF_CR));
526 if (--ichdev->ack == 0) {
527 ichdev->ack = ichdev->ack_reload;
531 if (ack && ichdev->substream) {
532 spin_unlock(&chip->reg_lock);
533 snd_pcm_period_elapsed(ichdev->substream);
534 spin_lock(&chip->reg_lock);
536 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
539 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id, struct pt_regs *regs)
541 intel8x0_t *chip = dev_id;
546 spin_lock(&chip->reg_lock);
547 status = igetdword(chip, chip->int_sta_reg);
548 if (status == 0xffffffff) { /* we are not yet resumed */
549 spin_unlock(&chip->reg_lock);
552 if ((status & chip->int_sta_mask) == 0) {
554 iputdword(chip, chip->int_sta_reg, status);
555 spin_unlock(&chip->reg_lock);
559 for (i = 0; i < chip->bdbars_count; i++) {
560 ichdev = &chip->ichd[i];
561 if (status & ichdev->int_sta_mask)
562 snd_intel8x0_update(chip, ichdev);
566 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
567 spin_unlock(&chip->reg_lock);
576 static int snd_intel8x0_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
578 intel8x0_t *chip = snd_pcm_substream_chip(substream);
579 ichdev_t *ichdev = get_ichdev(substream);
580 unsigned char val = 0;
581 unsigned long port = ichdev->reg_offset;
584 case SNDRV_PCM_TRIGGER_START:
585 case SNDRV_PCM_TRIGGER_RESUME:
586 val = ICH_IOCE | ICH_STARTBM;
588 case SNDRV_PCM_TRIGGER_STOP:
589 case SNDRV_PCM_TRIGGER_SUSPEND:
592 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
595 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
596 val = ICH_IOCE | ICH_STARTBM;
601 iputbyte(chip, port + ICH_REG_OFF_CR, val);
602 if (cmd == SNDRV_PCM_TRIGGER_STOP) {
603 /* wait until DMA stopped */
604 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
605 /* reset whole DMA things */
606 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
611 static int snd_intel8x0_hw_params(snd_pcm_substream_t * substream,
612 snd_pcm_hw_params_t * hw_params)
614 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
617 static int snd_intel8x0_hw_free(snd_pcm_substream_t * substream)
619 return snd_pcm_lib_free_pages(substream);
622 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(snd_pcm_substream_t * substream)
624 intel8x0_t *chip = snd_pcm_substream_chip(substream);
625 ichdev_t *ichdev = get_ichdev(substream);
628 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift;
630 ptr = ichdev->fragsize1 - ptr1;
633 ptr += ichdev->position;
634 if (ptr >= ichdev->size)
636 return bytes_to_frames(substream->runtime, ptr);
639 static int snd_intel8x0m_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
641 ichdev_t *ichdev = get_ichdev(substream);
642 /* hook off/on on start/stop */
643 /* TODO: move it to ac97 controls */
645 case SNDRV_PCM_TRIGGER_START:
646 snd_ac97_update_bits(ichdev->ac97, AC97_GPIO_STATUS,
647 AC97_GPIO_LINE1_OH, AC97_GPIO_LINE1_OH);
649 case SNDRV_PCM_TRIGGER_STOP:
650 snd_ac97_update_bits(ichdev->ac97, AC97_GPIO_STATUS,
651 AC97_GPIO_LINE1_OH, ~AC97_GPIO_LINE1_OH);
656 return snd_intel8x0_pcm_trigger(substream,cmd);
659 static int snd_intel8x0m_pcm_prepare(snd_pcm_substream_t * substream)
661 intel8x0_t *chip = snd_pcm_substream_chip(substream);
662 snd_pcm_runtime_t *runtime = substream->runtime;
663 ichdev_t *ichdev = get_ichdev(substream);
665 ichdev->physbuf = runtime->dma_addr;
666 ichdev->size = snd_pcm_lib_buffer_bytes(substream);
667 ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
668 snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate);
669 snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0);
670 snd_intel8x0_setup_periods(chip, ichdev);
674 static snd_pcm_hardware_t snd_intel8x0m_stream =
676 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
677 SNDRV_PCM_INFO_BLOCK_TRANSFER |
678 SNDRV_PCM_INFO_MMAP_VALID |
679 SNDRV_PCM_INFO_PAUSE |
680 SNDRV_PCM_INFO_RESUME),
681 .formats = SNDRV_PCM_FMTBIT_S16_LE,
682 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT,
687 .buffer_bytes_max = 64 * 1024,
688 .period_bytes_min = 32,
689 .period_bytes_max = 64 * 1024,
696 static int snd_intel8x0m_pcm_open(snd_pcm_substream_t * substream, ichdev_t *ichdev)
698 static unsigned int rates[] = { 8000, 9600, 12000, 16000 };
699 static snd_pcm_hw_constraint_list_t hw_constraints_rates = {
700 .count = ARRAY_SIZE(rates),
704 snd_pcm_runtime_t *runtime = substream->runtime;
707 ichdev->substream = substream;
708 runtime->hw = snd_intel8x0m_stream;
709 err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
712 runtime->private_data = ichdev;
716 static int snd_intel8x0m_playback_open(snd_pcm_substream_t * substream)
718 intel8x0_t *chip = snd_pcm_substream_chip(substream);
720 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]);
723 static int snd_intel8x0m_playback_close(snd_pcm_substream_t * substream)
725 intel8x0_t *chip = snd_pcm_substream_chip(substream);
727 chip->ichd[ICHD_MDMOUT].substream = NULL;
731 static int snd_intel8x0m_capture_open(snd_pcm_substream_t * substream)
733 intel8x0_t *chip = snd_pcm_substream_chip(substream);
735 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]);
738 static int snd_intel8x0m_capture_close(snd_pcm_substream_t * substream)
740 intel8x0_t *chip = snd_pcm_substream_chip(substream);
742 chip->ichd[ICHD_MDMIN].substream = NULL;
747 static snd_pcm_ops_t snd_intel8x0m_playback_ops = {
748 .open = snd_intel8x0m_playback_open,
749 .close = snd_intel8x0m_playback_close,
750 .ioctl = snd_pcm_lib_ioctl,
751 .hw_params = snd_intel8x0_hw_params,
752 .hw_free = snd_intel8x0_hw_free,
753 .prepare = snd_intel8x0m_pcm_prepare,
754 .trigger = snd_intel8x0m_pcm_trigger,
755 .pointer = snd_intel8x0_pcm_pointer,
758 static snd_pcm_ops_t snd_intel8x0m_capture_ops = {
759 .open = snd_intel8x0m_capture_open,
760 .close = snd_intel8x0m_capture_close,
761 .ioctl = snd_pcm_lib_ioctl,
762 .hw_params = snd_intel8x0_hw_params,
763 .hw_free = snd_intel8x0_hw_free,
764 .prepare = snd_intel8x0m_pcm_prepare,
765 .trigger = snd_intel8x0m_pcm_trigger,
766 .pointer = snd_intel8x0_pcm_pointer,
770 struct ich_pcm_table {
772 snd_pcm_ops_t *playback_ops;
773 snd_pcm_ops_t *capture_ops;
774 size_t prealloc_size;
775 size_t prealloc_max_size;
779 static int __devinit snd_intel8x0_pcm1(intel8x0_t *chip, int device, struct ich_pcm_table *rec)
786 sprintf(name, "Intel ICH - %s", rec->suffix);
788 strcpy(name, "Intel ICH");
789 err = snd_pcm_new(chip->card, name, device,
790 rec->playback_ops ? 1 : 0,
791 rec->capture_ops ? 1 : 0, &pcm);
795 if (rec->playback_ops)
796 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
797 if (rec->capture_ops)
798 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
800 pcm->private_data = chip;
803 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
805 strcpy(pcm->name, chip->card->shortname);
806 chip->pcm[device] = pcm;
808 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
809 snd_dma_pci_data(chip->pci),
811 rec->prealloc_max_size);
816 static struct ich_pcm_table intel_pcms[] __devinitdata = {
819 .playback_ops = &snd_intel8x0m_playback_ops,
820 .capture_ops = &snd_intel8x0m_capture_ops,
821 .prealloc_size = 32 * 1024,
822 .prealloc_max_size = 64 * 1024,
826 static int __devinit snd_intel8x0_pcm(intel8x0_t *chip)
828 int i, tblsize, device, err;
829 struct ich_pcm_table *tbl, *rec;
835 switch (chip->device_type) {
838 tblsize = ARRAY_SIZE(nforce_pcms);
842 tblsize = ARRAY_SIZE(ali_pcms);
851 for (i = 0; i < tblsize; i++) {
853 if (i > 0 && rec->ac97_idx) {
854 /* activate PCM only when associated AC'97 codec */
855 if (! chip->ichd[rec->ac97_idx].ac97)
858 err = snd_intel8x0_pcm1(chip, device, rec);
864 chip->pcm_devs = device;
873 static void snd_intel8x0_mixer_free_ac97_bus(ac97_bus_t *bus)
875 intel8x0_t *chip = bus->private_data;
876 chip->ac97_bus = NULL;
879 static void snd_intel8x0_mixer_free_ac97(ac97_t *ac97)
881 intel8x0_t *chip = ac97->private_data;
886 static int __devinit snd_intel8x0_mixer(intel8x0_t *chip, int ac97_clock)
889 ac97_template_t ac97;
892 unsigned int glob_sta = 0;
893 static ac97_bus_ops_t ops = {
894 .write = snd_intel8x0_codec_write,
895 .read = snd_intel8x0_codec_read,
898 chip->in_ac97_init = 1;
900 memset(&ac97, 0, sizeof(ac97));
901 ac97.private_data = chip;
902 ac97.private_free = snd_intel8x0_mixer_free_ac97;
903 ac97.scaps = AC97_SCAP_SKIP_AUDIO;
905 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
907 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
909 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
910 pbus->shared_type = AC97_SHARED_TYPE_ICH; /* shared with audio driver */
911 if (ac97_clock >= 8000 && ac97_clock <= 48000)
912 pbus->clock = ac97_clock;
913 chip->ac97_bus = pbus;
915 ac97.pci = chip->pci;
916 ac97.num = glob_sta & ICH_SCR ? 1 : 0;
917 if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) {
918 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", ac97.num);
924 if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97 ) {
925 chip->ichd[ICHD_MDMIN].ac97 = x97;
926 chip->ichd[ICHD_MDMOUT].ac97 = x97;
929 chip->in_ac97_init = 0;
933 /* clear the cold-reset bit for the next chance */
934 if (chip->device_type != DEVICE_ALI)
935 iputdword(chip, ICHREG(GLOB_CNT), igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
944 #define do_delay(chip) do {\
945 set_current_state(TASK_UNINTERRUPTIBLE);\
946 schedule_timeout(1);\
949 static int snd_intel8x0m_ich_chip_init(intel8x0_t *chip, int probing)
951 unsigned long end_time;
952 unsigned int cnt, status, nstatus;
954 /* put logic to right state */
955 /* first clear status bits */
956 status = ICH_RCS | ICH_MIINT | ICH_MOINT;
957 cnt = igetdword(chip, ICHREG(GLOB_STA));
958 iputdword(chip, ICHREG(GLOB_STA), cnt & status);
960 /* ACLink on, 2 channels */
961 cnt = igetdword(chip, ICHREG(GLOB_CNT));
962 cnt &= ~(ICH_ACLINK);
963 /* finish cold or do warm reset */
964 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
965 iputdword(chip, ICHREG(GLOB_CNT), cnt);
966 end_time = (jiffies + (HZ / 4)) + 1;
968 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
971 } while (time_after_eq(end_time, jiffies));
972 snd_printk("AC'97 warm reset still in progress? [0x%x]\n", igetdword(chip, ICHREG(GLOB_CNT)));
977 /* wait for any codec ready status.
978 * Once it becomes ready it should remain ready
979 * as long as we do not disable the ac97 link.
981 end_time = jiffies + HZ;
983 status = igetdword(chip, ICHREG(GLOB_STA)) & (ICH_PCR | ICH_SCR | ICH_TCR);
987 } while (time_after_eq(end_time, jiffies));
989 /* no codec is found */
990 snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", igetdword(chip, ICHREG(GLOB_STA)));
994 /* up to two codecs (modem cannot be tertiary with ICH4) */
995 nstatus = ICH_PCR | ICH_SCR;
997 /* wait for other codecs ready status. */
998 end_time = jiffies + HZ / 4;
999 while (status != nstatus && time_after_eq(end_time, jiffies)) {
1001 status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus;
1008 status |= get_ich_codec_bit(chip, chip->ac97->num);
1009 /* wait until all the probed codecs are ready */
1010 end_time = jiffies + HZ;
1012 nstatus = igetdword(chip, ICHREG(GLOB_STA)) & (ICH_PCR | ICH_SCR | ICH_TCR);
1013 if (status == nstatus)
1016 } while (time_after_eq(end_time, jiffies));
1019 if (chip->device_type == DEVICE_SIS) {
1020 /* unmute the output on SIS7012 */
1021 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
1027 static int snd_intel8x0_chip_init(intel8x0_t *chip, int probing)
1032 if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0)
1034 iagetword(chip, 0); /* clear semaphore flag */
1036 /* disable interrupts */
1037 for (i = 0; i < chip->bdbars_count; i++)
1038 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
1039 /* reset channels */
1040 for (i = 0; i < chip->bdbars_count; i++)
1041 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
1042 /* initialize Buffer Descriptor Lists */
1043 for (i = 0; i < chip->bdbars_count; i++)
1044 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr);
1048 static int snd_intel8x0_free(intel8x0_t *chip)
1054 /* disable interrupts */
1055 for (i = 0; i < chip->bdbars_count; i++)
1056 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
1057 /* reset channels */
1058 for (i = 0; i < chip->bdbars_count; i++)
1059 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
1061 synchronize_irq(chip->irq);
1063 if (chip->bdbars.area)
1064 snd_dma_free_pages(&chip->bdbars);
1065 if (chip->remap_addr)
1066 iounmap(chip->remap_addr);
1067 if (chip->remap_bmaddr)
1068 iounmap(chip->remap_bmaddr);
1070 free_irq(chip->irq, (void *)chip);
1071 pci_release_regions(chip->pci);
1072 pci_disable_device(chip->pci);
1081 static int intel8x0m_suspend(snd_card_t *card, unsigned int state)
1083 intel8x0_t *chip = card->pm_private_data;
1086 for (i = 0; i < chip->pcm_devs; i++)
1087 snd_pcm_suspend_all(chip->pcm[i]);
1089 snd_ac97_suspend(chip->ac97);
1090 pci_disable_device(chip->pci);
1094 static int intel8x0m_resume(snd_card_t *card, unsigned int state)
1096 intel8x0_t *chip = card->pm_private_data;
1097 pci_enable_device(chip->pci);
1098 pci_set_master(chip->pci);
1099 snd_intel8x0_chip_init(chip, 0);
1101 snd_ac97_resume(chip->ac97);
1105 #endif /* CONFIG_PM */
1107 static void snd_intel8x0m_proc_read(snd_info_entry_t * entry,
1108 snd_info_buffer_t * buffer)
1110 intel8x0_t *chip = entry->private_data;
1113 snd_iprintf(buffer, "Intel8x0m\n\n");
1114 if (chip->device_type == DEVICE_ALI)
1116 tmp = igetdword(chip, ICHREG(GLOB_STA));
1117 snd_iprintf(buffer, "Global control : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
1118 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp);
1119 snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n",
1120 tmp & ICH_PCR ? " primary" : "",
1121 tmp & ICH_SCR ? " secondary" : "",
1122 tmp & ICH_TCR ? " tertiary" : "",
1123 (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : "");
1126 static void __devinit snd_intel8x0m_proc_init(intel8x0_t * chip)
1128 snd_info_entry_t *entry;
1130 if (! snd_card_proc_new(chip->card, "intel8x0m", &entry))
1131 snd_info_set_text_ops(entry, chip, 1024, snd_intel8x0m_proc_read);
1134 static int snd_intel8x0_dev_free(snd_device_t *device)
1136 intel8x0_t *chip = device->device_data;
1137 return snd_intel8x0_free(chip);
1140 struct ich_reg_info {
1141 unsigned int int_sta_mask;
1142 unsigned int offset;
1145 static int __devinit snd_intel8x0m_create(snd_card_t * card,
1146 struct pci_dev *pci,
1147 unsigned long device_type,
1148 intel8x0_t ** r_intel8x0)
1153 unsigned int int_sta_masks;
1155 static snd_device_ops_t ops = {
1156 .dev_free = snd_intel8x0_dev_free,
1158 static struct ich_reg_info intel_regs[2] = {
1160 { ICH_MOINT, 0x10 },
1162 struct ich_reg_info *tbl;
1166 if ((err = pci_enable_device(pci)) < 0)
1169 chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
1171 pci_disable_device(pci);
1174 spin_lock_init(&chip->reg_lock);
1175 chip->device_type = device_type;
1180 if ((err = pci_request_regions(pci, card->shortname)) < 0) {
1182 pci_disable_device(pci);
1186 if (device_type == DEVICE_ALI) {
1187 /* ALI5455 has no ac97 region */
1188 chip->bmaddr = pci_resource_start(pci, 0);
1192 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) { /* ICH4 and Nforce */
1194 chip->addr = pci_resource_start(pci, 2);
1195 chip->remap_addr = ioremap_nocache(chip->addr,
1196 pci_resource_len(pci, 2));
1197 if (chip->remap_addr == NULL) {
1198 snd_printk("AC'97 space ioremap problem\n");
1199 snd_intel8x0_free(chip);
1203 chip->addr = pci_resource_start(pci, 0);
1205 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) { /* ICH4 */
1207 chip->bmaddr = pci_resource_start(pci, 3);
1208 chip->remap_bmaddr = ioremap_nocache(chip->bmaddr,
1209 pci_resource_len(pci, 3));
1210 if (chip->remap_bmaddr == NULL) {
1211 snd_printk("Controller space ioremap problem\n");
1212 snd_intel8x0_free(chip);
1216 chip->bmaddr = pci_resource_start(pci, 1);
1220 if (request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip)) {
1221 snd_printk("unable to grab IRQ %d\n", pci->irq);
1222 snd_intel8x0_free(chip);
1225 chip->irq = pci->irq;
1226 pci_set_master(pci);
1227 synchronize_irq(chip->irq);
1229 /* initialize offsets */
1230 chip->bdbars_count = 2;
1233 for (i = 0; i < chip->bdbars_count; i++) {
1234 ichdev = &chip->ichd[i];
1236 ichdev->reg_offset = tbl[i].offset;
1237 ichdev->int_sta_mask = tbl[i].int_sta_mask;
1238 if (device_type == DEVICE_SIS) {
1239 /* SiS 7013 swaps the registers */
1240 ichdev->roff_sr = ICH_REG_OFF_PICB;
1241 ichdev->roff_picb = ICH_REG_OFF_SR;
1243 ichdev->roff_sr = ICH_REG_OFF_SR;
1244 ichdev->roff_picb = ICH_REG_OFF_PICB;
1246 if (device_type == DEVICE_ALI)
1247 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
1249 /* SIS7013 handles the pcm data in bytes, others are in words */
1250 chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
1252 /* allocate buffer descriptor lists */
1253 /* the start of each lists must be aligned to 8 bytes */
1254 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1255 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
1256 &chip->bdbars) < 0) {
1257 snd_intel8x0_free(chip);
1260 /* tables must be aligned to 8 bytes here, but the kernel pages
1261 are much bigger, so we don't care (on i386) */
1263 for (i = 0; i < chip->bdbars_count; i++) {
1264 ichdev = &chip->ichd[i];
1265 ichdev->bdbar = ((u32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2);
1266 ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
1267 int_sta_masks |= ichdev->int_sta_mask;
1269 chip->int_sta_reg = ICH_REG_GLOB_STA;
1270 chip->int_sta_mask = int_sta_masks;
1272 if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
1273 snd_intel8x0_free(chip);
1277 snd_card_set_pm_callback(card, intel8x0m_suspend, intel8x0m_resume, chip);
1279 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1280 snd_intel8x0_free(chip);
1284 snd_card_set_dev(card, &pci->dev);
1290 static struct shortname_table {
1293 } shortnames[] __devinitdata = {
1294 { PCI_DEVICE_ID_INTEL_82801_6, "Intel 82801AA-ICH" },
1295 { PCI_DEVICE_ID_INTEL_82901_6, "Intel 82901AB-ICH0" },
1296 { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" },
1297 { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" },
1298 { PCI_DEVICE_ID_INTEL_ICH3_6, "Intel 82801CA-ICH3" },
1299 { PCI_DEVICE_ID_INTEL_ICH4_6, "Intel 82801DB-ICH4" },
1300 { PCI_DEVICE_ID_INTEL_ICH5_6, "Intel ICH5" },
1301 { 0x7446, "AMD AMD768" },
1302 { PCI_DEVICE_ID_SI_7013, "SiS SI7013" },
1303 { PCI_DEVICE_ID_NVIDIA_MCP_MODEM, "NVidia nForce" },
1304 { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" },
1305 { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" },
1306 { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" },
1308 { 0x5455, "ALi M5455" },
1309 { 0x746d, "AMD AMD8111" },
1314 static int __devinit snd_intel8x0m_probe(struct pci_dev *pci,
1315 const struct pci_device_id *pci_id)
1321 struct shortname_table *name;
1323 if (dev >= SNDRV_CARDS)
1330 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1334 strcpy(card->driver, "ICH-MODEM");
1335 strcpy(card->shortname, "Intel ICH");
1336 for (name = shortnames; name->id; name++) {
1337 if (pci->device == name->id) {
1338 strcpy(card->shortname, name->s);
1342 strcat(card->shortname," Modem");
1344 if ((err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip)) < 0) {
1345 snd_card_free(card);
1349 if ((err = snd_intel8x0_mixer(chip, ac97_clock[dev])) < 0) {
1350 snd_card_free(card);
1353 if ((err = snd_intel8x0_pcm(chip)) < 0) {
1354 snd_card_free(card);
1358 snd_intel8x0m_proc_init(chip);
1360 sprintf(card->longname, "%s at 0x%lx, irq %i",
1361 card->shortname, chip->addr, chip->irq);
1363 if ((err = snd_card_register(card)) < 0) {
1364 snd_card_free(card);
1367 pci_set_drvdata(pci, card);
1372 static void __devexit snd_intel8x0m_remove(struct pci_dev *pci)
1374 snd_card_free(pci_get_drvdata(pci));
1375 pci_set_drvdata(pci, NULL);
1378 static struct pci_driver driver = {
1379 .name = "Intel ICH Modem",
1380 .id_table = snd_intel8x0m_ids,
1381 .probe = snd_intel8x0m_probe,
1382 .remove = __devexit_p(snd_intel8x0m_remove),
1383 SND_PCI_PM_CALLBACKS
1387 static int __init alsa_card_intel8x0m_init(void)
1389 return pci_module_init(&driver);
1392 static void __exit alsa_card_intel8x0m_exit(void)
1394 pci_unregister_driver(&driver);
1397 module_init(alsa_card_intel8x0m_init)
1398 module_exit(alsa_card_intel8x0m_exit)