3 * hda_intel.c - Implementation of primary alsa driver code base for Intel HD Audio.
5 * Copyright(c) 2004 Intel Corporation. All rights reserved.
7 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 * PeiSen Hou <pshou@realtek.com.tw>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of the License, or (at your option)
15 * This program is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
20 * You should have received a copy of the GNU General Public License along with
21 * this program; if not, write to the Free Software Foundation, Inc., 59
22 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 * Matt Jared matt.jared@intel.com
27 * Andy Kopp andy.kopp@intel.com
28 * Dan Kogan dan.d.kogan@intel.com
32 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou
36 #include <sound/driver.h>
38 #include <linux/delay.h>
39 #include <linux/interrupt.h>
40 #include <linux/kernel.h>
41 #include <linux/module.h>
42 #include <linux/moduleparam.h>
43 #include <linux/init.h>
44 #include <linux/slab.h>
45 #include <linux/pci.h>
46 #include <linux/mutex.h>
47 #include <sound/core.h>
48 #include <sound/initval.h>
49 #include "hda_codec.h"
52 static int index = SNDRV_DEFAULT_IDX1;
53 static char *id = SNDRV_DEFAULT_STR1;
55 static int position_fix;
56 static int probe_mask = -1;
57 static int single_cmd;
59 module_param(index, int, 0444);
60 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
61 module_param(id, charp, 0444);
62 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
63 module_param(model, charp, 0444);
64 MODULE_PARM_DESC(model, "Use the given board model.");
65 module_param(position_fix, int, 0444);
66 MODULE_PARM_DESC(position_fix, "Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
67 module_param(probe_mask, int, 0444);
68 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
69 module_param(single_cmd, bool, 0444);
70 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs (for debugging only).");
73 /* just for backward compatibility */
75 module_param(enable, bool, 0444);
77 MODULE_LICENSE("GPL");
78 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
88 MODULE_DESCRIPTION("Intel HDA driver");
90 #define SFX "hda-intel: "
95 #define ICH6_REG_GCAP 0x00
96 #define ICH6_REG_VMIN 0x02
97 #define ICH6_REG_VMAJ 0x03
98 #define ICH6_REG_OUTPAY 0x04
99 #define ICH6_REG_INPAY 0x06
100 #define ICH6_REG_GCTL 0x08
101 #define ICH6_REG_WAKEEN 0x0c
102 #define ICH6_REG_STATESTS 0x0e
103 #define ICH6_REG_GSTS 0x10
104 #define ICH6_REG_INTCTL 0x20
105 #define ICH6_REG_INTSTS 0x24
106 #define ICH6_REG_WALCLK 0x30
107 #define ICH6_REG_SYNC 0x34
108 #define ICH6_REG_CORBLBASE 0x40
109 #define ICH6_REG_CORBUBASE 0x44
110 #define ICH6_REG_CORBWP 0x48
111 #define ICH6_REG_CORBRP 0x4A
112 #define ICH6_REG_CORBCTL 0x4c
113 #define ICH6_REG_CORBSTS 0x4d
114 #define ICH6_REG_CORBSIZE 0x4e
116 #define ICH6_REG_RIRBLBASE 0x50
117 #define ICH6_REG_RIRBUBASE 0x54
118 #define ICH6_REG_RIRBWP 0x58
119 #define ICH6_REG_RINTCNT 0x5a
120 #define ICH6_REG_RIRBCTL 0x5c
121 #define ICH6_REG_RIRBSTS 0x5d
122 #define ICH6_REG_RIRBSIZE 0x5e
124 #define ICH6_REG_IC 0x60
125 #define ICH6_REG_IR 0x64
126 #define ICH6_REG_IRS 0x68
127 #define ICH6_IRS_VALID (1<<1)
128 #define ICH6_IRS_BUSY (1<<0)
130 #define ICH6_REG_DPLBASE 0x70
131 #define ICH6_REG_DPUBASE 0x74
132 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
134 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
135 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
137 /* stream register offsets from stream base */
138 #define ICH6_REG_SD_CTL 0x00
139 #define ICH6_REG_SD_STS 0x03
140 #define ICH6_REG_SD_LPIB 0x04
141 #define ICH6_REG_SD_CBL 0x08
142 #define ICH6_REG_SD_LVI 0x0c
143 #define ICH6_REG_SD_FIFOW 0x0e
144 #define ICH6_REG_SD_FIFOSIZE 0x10
145 #define ICH6_REG_SD_FORMAT 0x12
146 #define ICH6_REG_SD_BDLPL 0x18
147 #define ICH6_REG_SD_BDLPU 0x1c
150 #define ICH6_PCIREG_TCSEL 0x44
156 /* max number of SDs */
157 /* ICH, ATI and VIA have 4 playback and 4 capture */
158 #define ICH6_CAPTURE_INDEX 0
159 #define ICH6_NUM_CAPTURE 4
160 #define ICH6_PLAYBACK_INDEX 4
161 #define ICH6_NUM_PLAYBACK 4
163 /* ULI has 6 playback and 5 capture */
164 #define ULI_CAPTURE_INDEX 0
165 #define ULI_NUM_CAPTURE 5
166 #define ULI_PLAYBACK_INDEX 5
167 #define ULI_NUM_PLAYBACK 6
169 /* this number is statically defined for simplicity */
170 #define MAX_AZX_DEV 16
172 /* max number of fragments - we may use more if allocating more pages for BDL */
173 #define BDL_SIZE PAGE_ALIGN(8192)
174 #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
175 /* max buffer size - no h/w limit, you can increase as you like */
176 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
177 /* max number of PCM devics per card */
178 #define AZX_MAX_AUDIO_PCMS 6
179 #define AZX_MAX_MODEM_PCMS 2
180 #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
182 /* RIRB int mask: overrun[2], response[0] */
183 #define RIRB_INT_RESPONSE 0x01
184 #define RIRB_INT_OVERRUN 0x04
185 #define RIRB_INT_MASK 0x05
187 /* STATESTS int mask: SD2,SD1,SD0 */
188 #define STATESTS_INT_MASK 0x07
189 #define AZX_MAX_CODECS 4
192 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
193 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
194 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
195 #define SD_CTL_STREAM_TAG_SHIFT 20
197 /* SD_CTL and SD_STS */
198 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
199 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
200 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
201 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|SD_INT_COMPLETE)
204 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
206 /* INTCTL and INTSTS */
207 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
208 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
209 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
211 /* GCTL unsolicited response enable bit */
212 #define ICH6_GCTL_UREN (1<<8)
215 #define ICH6_GCTL_RESET (1<<0)
217 /* CORB/RIRB control, read/write pointer */
218 #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */
219 #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */
220 #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */
221 /* below are so far hardcoded - should read registers in future */
222 #define ICH6_MAX_CORB_ENTRIES 256
223 #define ICH6_MAX_RIRB_ENTRIES 256
225 /* position fix mode */
233 /* Defines for ATI HD Audio support in SB450 south bridge */
234 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
235 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
237 /* Defines for Nvidia HDA support */
238 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
239 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
245 u32 *bdl; /* virtual address of the BDL */
246 dma_addr_t bdl_addr; /* physical address of the BDL */
247 volatile u32 *posbuf; /* position buffer pointer */
249 unsigned int bufsize; /* size of the play buffer in bytes */
250 unsigned int fragsize; /* size of each period in bytes */
251 unsigned int frags; /* number for period in the play buffer */
252 unsigned int fifo_size; /* FIFO size */
253 unsigned int last_pos; /* last updated period position */
255 void __iomem *sd_addr; /* stream descriptor pointer */
257 u32 sd_int_sta_mask; /* stream int status mask */
260 struct snd_pcm_substream *substream; /* assigned substream, set in PCM open */
261 unsigned int format_val; /* format value to be set in the controller and the codec */
262 unsigned char stream_tag; /* assigned stream */
263 unsigned char index; /* stream index */
265 unsigned int opened: 1;
266 unsigned int running: 1;
267 unsigned int period_updating: 1;
272 u32 *buf; /* CORB/RIRB buffer
273 * Each CORB entry is 4byte, RIRB is 8byte
275 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
277 unsigned short rp, wp; /* read/write pointers */
278 int cmds; /* number of pending requests */
279 u32 res; /* last read value */
283 struct snd_card *card;
286 /* chip type specific */
288 int playback_streams;
289 int playback_index_offset;
291 int capture_index_offset;
296 void __iomem *remap_addr;
301 struct mutex open_mutex;
303 /* streams (x num_streams) */
304 struct azx_dev *azx_dev;
307 unsigned int pcm_devs;
308 struct snd_pcm *pcm[AZX_MAX_PCMS];
311 unsigned short codec_mask;
318 /* BDL, CORB/RIRB and position buffers */
319 struct snd_dma_buffer bdl;
320 struct snd_dma_buffer rb;
321 struct snd_dma_buffer posbuf;
325 unsigned int initialized: 1;
326 unsigned int single_cmd: 1;
339 static char *driver_short_names[] __devinitdata = {
340 [AZX_DRIVER_ICH] = "HDA Intel",
341 [AZX_DRIVER_ATI] = "HDA ATI SB",
342 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
343 [AZX_DRIVER_SIS] = "HDA SIS966",
344 [AZX_DRIVER_ULI] = "HDA ULI M5461",
345 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
349 * macros for easy use
351 #define azx_writel(chip,reg,value) \
352 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
353 #define azx_readl(chip,reg) \
354 readl((chip)->remap_addr + ICH6_REG_##reg)
355 #define azx_writew(chip,reg,value) \
356 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
357 #define azx_readw(chip,reg) \
358 readw((chip)->remap_addr + ICH6_REG_##reg)
359 #define azx_writeb(chip,reg,value) \
360 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
361 #define azx_readb(chip,reg) \
362 readb((chip)->remap_addr + ICH6_REG_##reg)
364 #define azx_sd_writel(dev,reg,value) \
365 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
366 #define azx_sd_readl(dev,reg) \
367 readl((dev)->sd_addr + ICH6_REG_##reg)
368 #define azx_sd_writew(dev,reg,value) \
369 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
370 #define azx_sd_readw(dev,reg) \
371 readw((dev)->sd_addr + ICH6_REG_##reg)
372 #define azx_sd_writeb(dev,reg,value) \
373 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
374 #define azx_sd_readb(dev,reg) \
375 readb((dev)->sd_addr + ICH6_REG_##reg)
377 /* for pcm support */
378 #define get_azx_dev(substream) (substream->runtime->private_data)
380 /* Get the upper 32bit of the given dma_addr_t
381 * Compiler should optimize and eliminate the code if dma_addr_t is 32bit
383 #define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
387 * Interface for HD codec
391 * CORB / RIRB interface
393 static int azx_alloc_cmd_io(struct azx *chip)
397 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
398 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
399 PAGE_SIZE, &chip->rb);
401 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
407 static void azx_init_cmd_io(struct azx *chip)
410 chip->corb.addr = chip->rb.addr;
411 chip->corb.buf = (u32 *)chip->rb.area;
412 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
413 azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
415 /* set the corb size to 256 entries (ULI requires explicitly) */
416 azx_writeb(chip, CORBSIZE, 0x02);
417 /* set the corb write pointer to 0 */
418 azx_writew(chip, CORBWP, 0);
419 /* reset the corb hw read pointer */
420 azx_writew(chip, CORBRP, ICH6_RBRWP_CLR);
421 /* enable corb dma */
422 azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN);
425 chip->rirb.addr = chip->rb.addr + 2048;
426 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
427 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
428 azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
430 /* set the rirb size to 256 entries (ULI requires explicitly) */
431 azx_writeb(chip, RIRBSIZE, 0x02);
432 /* reset the rirb hw write pointer */
433 azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR);
434 /* set N=1, get RIRB response interrupt for new entry */
435 azx_writew(chip, RINTCNT, 1);
436 /* enable rirb dma and response irq */
437 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
438 chip->rirb.rp = chip->rirb.cmds = 0;
441 static void azx_free_cmd_io(struct azx *chip)
443 /* disable ringbuffer DMAs */
444 azx_writeb(chip, RIRBCTL, 0);
445 azx_writeb(chip, CORBCTL, 0);
449 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
450 unsigned int verb, unsigned int para)
452 struct azx *chip = codec->bus->private_data;
456 val = (u32)(codec->addr & 0x0f) << 28;
457 val |= (u32)direct << 27;
458 val |= (u32)nid << 20;
462 /* add command to corb */
463 wp = azx_readb(chip, CORBWP);
465 wp %= ICH6_MAX_CORB_ENTRIES;
467 spin_lock_irq(&chip->reg_lock);
469 chip->corb.buf[wp] = cpu_to_le32(val);
470 azx_writel(chip, CORBWP, wp);
471 spin_unlock_irq(&chip->reg_lock);
476 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
478 /* retrieve RIRB entry - called from interrupt handler */
479 static void azx_update_rirb(struct azx *chip)
484 wp = azx_readb(chip, RIRBWP);
485 if (wp == chip->rirb.wp)
489 while (chip->rirb.rp != wp) {
491 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
493 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
494 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
495 res = le32_to_cpu(chip->rirb.buf[rp]);
496 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
497 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
498 else if (chip->rirb.cmds) {
500 chip->rirb.res = res;
505 /* receive a response */
506 static unsigned int azx_get_response(struct hda_codec *codec)
508 struct azx *chip = codec->bus->private_data;
511 while (chip->rirb.cmds) {
513 if (printk_ratelimit())
515 "azx_get_response timeout\n");
516 chip->rirb.rp = azx_readb(chip, RIRBWP);
522 return chip->rirb.res; /* the last value */
526 * Use the single immediate command instead of CORB/RIRB for simplicity
528 * Note: according to Intel, this is not preferred use. The command was
529 * intended for the BIOS only, and may get confused with unsolicited
530 * responses. So, we shouldn't use it for normal operation from the
532 * I left the codes, however, for debugging/testing purposes.
536 static int azx_single_send_cmd(struct hda_codec *codec, hda_nid_t nid,
537 int direct, unsigned int verb,
540 struct azx *chip = codec->bus->private_data;
544 val = (u32)(codec->addr & 0x0f) << 28;
545 val |= (u32)direct << 27;
546 val |= (u32)nid << 20;
551 /* check ICB busy bit */
552 if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) {
553 /* Clear IRV valid bit */
554 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_VALID);
555 azx_writel(chip, IC, val);
556 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_BUSY);
561 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n", azx_readw(chip, IRS), val);
565 /* receive a response */
566 static unsigned int azx_single_get_response(struct hda_codec *codec)
568 struct azx *chip = codec->bus->private_data;
572 /* check IRV busy bit */
573 if (azx_readw(chip, IRS) & ICH6_IRS_VALID)
574 return azx_readl(chip, IR);
577 snd_printd(SFX "get_response timeout: IRS=0x%x\n", azx_readw(chip, IRS));
578 return (unsigned int)-1;
581 /* reset codec link */
582 static int azx_reset(struct azx *chip)
586 /* reset controller */
587 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
590 while (azx_readb(chip, GCTL) && --count)
593 /* delay for >= 100us for codec PLL to settle per spec
594 * Rev 0.9 section 5.5.1
598 /* Bring controller out of reset */
599 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
602 while (! azx_readb(chip, GCTL) && --count)
605 /* Brent Chartrand said to wait >= 540us for codecs to intialize */
608 /* check to see if controller is ready */
609 if (! azx_readb(chip, GCTL)) {
610 snd_printd("azx_reset: controller not ready!\n");
614 /* Accept unsolicited responses */
615 azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);
618 if (! chip->codec_mask) {
619 chip->codec_mask = azx_readw(chip, STATESTS);
620 snd_printdd("codec_mask = 0x%x\n", chip->codec_mask);
631 /* enable interrupts */
632 static void azx_int_enable(struct azx *chip)
634 /* enable controller CIE and GIE */
635 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
636 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
639 /* disable interrupts */
640 static void azx_int_disable(struct azx *chip)
644 /* disable interrupts in stream descriptor */
645 for (i = 0; i < chip->num_streams; i++) {
646 struct azx_dev *azx_dev = &chip->azx_dev[i];
647 azx_sd_writeb(azx_dev, SD_CTL,
648 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
651 /* disable SIE for all streams */
652 azx_writeb(chip, INTCTL, 0);
654 /* disable controller CIE and GIE */
655 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
656 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
659 /* clear interrupts */
660 static void azx_int_clear(struct azx *chip)
664 /* clear stream status */
665 for (i = 0; i < chip->num_streams; i++) {
666 struct azx_dev *azx_dev = &chip->azx_dev[i];
667 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
671 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
673 /* clear rirb status */
674 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
676 /* clear int status */
677 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
681 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
684 azx_writeb(chip, INTCTL,
685 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
686 /* set DMA start and interrupt mask */
687 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
688 SD_CTL_DMA_START | SD_INT_MASK);
692 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
695 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
696 ~(SD_CTL_DMA_START | SD_INT_MASK));
697 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
699 azx_writeb(chip, INTCTL,
700 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
705 * initialize the chip
707 static void azx_init_chip(struct azx *chip)
711 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
712 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
713 * Ensuring these bits are 0 clears playback static on some HD Audio codecs
715 pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, ®);
716 pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
718 /* reset controller */
721 /* initialize interrupts */
723 azx_int_enable(chip);
725 /* initialize the codec command I/O */
726 if (! chip->single_cmd)
727 azx_init_cmd_io(chip);
729 /* program the position buffer */
730 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
731 azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
733 switch (chip->driver_type) {
735 /* For ATI SB450 azalia HD audio, we need to enable snoop */
736 pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
738 pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
739 (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
741 case AZX_DRIVER_NVIDIA:
742 /* For NVIDIA HDA, enable snoop */
743 pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, ®);
744 pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR,
745 (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS);
754 static irqreturn_t azx_interrupt(int irq, void* dev_id, struct pt_regs *regs)
756 struct azx *chip = dev_id;
757 struct azx_dev *azx_dev;
761 spin_lock(&chip->reg_lock);
763 status = azx_readl(chip, INTSTS);
765 spin_unlock(&chip->reg_lock);
769 for (i = 0; i < chip->num_streams; i++) {
770 azx_dev = &chip->azx_dev[i];
771 if (status & azx_dev->sd_int_sta_mask) {
772 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
773 if (azx_dev->substream && azx_dev->running) {
774 azx_dev->period_updating = 1;
775 spin_unlock(&chip->reg_lock);
776 snd_pcm_period_elapsed(azx_dev->substream);
777 spin_lock(&chip->reg_lock);
778 azx_dev->period_updating = 0;
784 status = azx_readb(chip, RIRBSTS);
785 if (status & RIRB_INT_MASK) {
786 if (! chip->single_cmd && (status & RIRB_INT_RESPONSE))
787 azx_update_rirb(chip);
788 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
792 /* clear state status int */
793 if (azx_readb(chip, STATESTS) & 0x04)
794 azx_writeb(chip, STATESTS, 0x04);
796 spin_unlock(&chip->reg_lock);
805 static void azx_setup_periods(struct azx_dev *azx_dev)
807 u32 *bdl = azx_dev->bdl;
808 dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
811 /* reset BDL address */
812 azx_sd_writel(azx_dev, SD_BDLPL, 0);
813 azx_sd_writel(azx_dev, SD_BDLPU, 0);
815 /* program the initial BDL entries */
816 for (idx = 0; idx < azx_dev->frags; idx++) {
817 unsigned int off = idx << 2; /* 4 dword step */
818 dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
819 /* program the address field of the BDL entry */
820 bdl[off] = cpu_to_le32((u32)addr);
821 bdl[off+1] = cpu_to_le32(upper_32bit(addr));
823 /* program the size field of the BDL entry */
824 bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
826 /* program the IOC to enable interrupt when buffer completes */
827 bdl[off+3] = cpu_to_le32(0x01);
832 * set up the SD for streaming
834 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
839 /* make sure the run bit is zero for SD */
840 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & ~SD_CTL_DMA_START);
842 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | SD_CTL_STREAM_RESET);
845 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
848 val &= ~SD_CTL_STREAM_RESET;
849 azx_sd_writeb(azx_dev, SD_CTL, val);
853 /* waiting for hardware to report that the stream is out of reset */
854 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
858 /* program the stream_tag */
859 azx_sd_writel(azx_dev, SD_CTL,
860 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK) |
861 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
863 /* program the length of samples in cyclic buffer */
864 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
866 /* program the stream format */
867 /* this value needs to be the same as the one programmed */
868 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
870 /* program the stream LVI (last valid index) of the BDL */
871 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
873 /* program the BDL address */
874 /* lower BDL address */
875 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
876 /* upper BDL address */
877 azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
879 /* enable the position buffer */
880 if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
881 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
883 /* set the interrupt enable bits in the descriptor control register */
884 azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
891 * Codec initialization
894 static int __devinit azx_codec_create(struct azx *chip, const char *model)
896 struct hda_bus_template bus_temp;
899 memset(&bus_temp, 0, sizeof(bus_temp));
900 bus_temp.private_data = chip;
901 bus_temp.modelname = model;
902 bus_temp.pci = chip->pci;
903 if (chip->single_cmd) {
904 bus_temp.ops.command = azx_single_send_cmd;
905 bus_temp.ops.get_response = azx_single_get_response;
907 bus_temp.ops.command = azx_send_cmd;
908 bus_temp.ops.get_response = azx_get_response;
911 if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0)
915 for (c = 0; c < AZX_MAX_CODECS; c++) {
916 if ((chip->codec_mask & (1 << c)) & probe_mask) {
917 err = snd_hda_codec_new(chip->bus, c, NULL);
924 snd_printk(KERN_ERR SFX "no codecs initialized\n");
936 /* assign a stream for the PCM */
937 static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
940 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
941 dev = chip->playback_index_offset;
942 nums = chip->playback_streams;
944 dev = chip->capture_index_offset;
945 nums = chip->capture_streams;
947 for (i = 0; i < nums; i++, dev++)
948 if (! chip->azx_dev[dev].opened) {
949 chip->azx_dev[dev].opened = 1;
950 return &chip->azx_dev[dev];
955 /* release the assigned stream */
956 static inline void azx_release_device(struct azx_dev *azx_dev)
961 static struct snd_pcm_hardware azx_pcm_hw = {
962 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
963 SNDRV_PCM_INFO_BLOCK_TRANSFER |
964 SNDRV_PCM_INFO_MMAP_VALID |
965 SNDRV_PCM_INFO_PAUSE /*|*/
966 /*SNDRV_PCM_INFO_RESUME*/),
967 .formats = SNDRV_PCM_FMTBIT_S16_LE,
968 .rates = SNDRV_PCM_RATE_48000,
973 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
974 .period_bytes_min = 128,
975 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
977 .periods_max = AZX_MAX_FRAG,
983 struct hda_codec *codec;
984 struct hda_pcm_stream *hinfo[2];
987 static int azx_pcm_open(struct snd_pcm_substream *substream)
989 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
990 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
991 struct azx *chip = apcm->chip;
992 struct azx_dev *azx_dev;
993 struct snd_pcm_runtime *runtime = substream->runtime;
997 mutex_lock(&chip->open_mutex);
998 azx_dev = azx_assign_device(chip, substream->stream);
999 if (azx_dev == NULL) {
1000 mutex_unlock(&chip->open_mutex);
1003 runtime->hw = azx_pcm_hw;
1004 runtime->hw.channels_min = hinfo->channels_min;
1005 runtime->hw.channels_max = hinfo->channels_max;
1006 runtime->hw.formats = hinfo->formats;
1007 runtime->hw.rates = hinfo->rates;
1008 snd_pcm_limit_hw_rates(runtime);
1009 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1010 if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) {
1011 azx_release_device(azx_dev);
1012 mutex_unlock(&chip->open_mutex);
1015 spin_lock_irqsave(&chip->reg_lock, flags);
1016 azx_dev->substream = substream;
1017 azx_dev->running = 0;
1018 spin_unlock_irqrestore(&chip->reg_lock, flags);
1020 runtime->private_data = azx_dev;
1021 mutex_unlock(&chip->open_mutex);
1025 static int azx_pcm_close(struct snd_pcm_substream *substream)
1027 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1028 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1029 struct azx *chip = apcm->chip;
1030 struct azx_dev *azx_dev = get_azx_dev(substream);
1031 unsigned long flags;
1033 mutex_lock(&chip->open_mutex);
1034 spin_lock_irqsave(&chip->reg_lock, flags);
1035 azx_dev->substream = NULL;
1036 azx_dev->running = 0;
1037 spin_unlock_irqrestore(&chip->reg_lock, flags);
1038 azx_release_device(azx_dev);
1039 hinfo->ops.close(hinfo, apcm->codec, substream);
1040 mutex_unlock(&chip->open_mutex);
1044 static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
1046 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1049 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1051 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1052 struct azx_dev *azx_dev = get_azx_dev(substream);
1053 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1055 /* reset BDL address */
1056 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1057 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1058 azx_sd_writel(azx_dev, SD_CTL, 0);
1060 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1062 return snd_pcm_lib_free_pages(substream);
1065 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1067 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1068 struct azx *chip = apcm->chip;
1069 struct azx_dev *azx_dev = get_azx_dev(substream);
1070 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1071 struct snd_pcm_runtime *runtime = substream->runtime;
1073 azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
1074 azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
1075 azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
1076 azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
1080 if (! azx_dev->format_val) {
1081 snd_printk(KERN_ERR SFX "invalid format_val, rate=%d, ch=%d, format=%d\n",
1082 runtime->rate, runtime->channels, runtime->format);
1086 snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, format=0x%x\n",
1087 azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
1088 azx_setup_periods(azx_dev);
1089 azx_setup_controller(chip, azx_dev);
1090 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1091 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1093 azx_dev->fifo_size = 0;
1094 azx_dev->last_pos = 0;
1096 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1097 azx_dev->format_val, substream);
1100 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1102 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1103 struct azx_dev *azx_dev = get_azx_dev(substream);
1104 struct azx *chip = apcm->chip;
1107 spin_lock(&chip->reg_lock);
1109 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1110 case SNDRV_PCM_TRIGGER_RESUME:
1111 case SNDRV_PCM_TRIGGER_START:
1112 azx_stream_start(chip, azx_dev);
1113 azx_dev->running = 1;
1115 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1116 case SNDRV_PCM_TRIGGER_SUSPEND:
1117 case SNDRV_PCM_TRIGGER_STOP:
1118 azx_stream_stop(chip, azx_dev);
1119 azx_dev->running = 0;
1124 spin_unlock(&chip->reg_lock);
1125 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
1126 cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
1127 cmd == SNDRV_PCM_TRIGGER_STOP) {
1129 while (azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START && --timeout)
1135 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1137 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1138 struct azx *chip = apcm->chip;
1139 struct azx_dev *azx_dev = get_azx_dev(substream);
1142 if (chip->position_fix == POS_FIX_POSBUF) {
1143 /* use the position buffer */
1144 pos = *azx_dev->posbuf;
1147 pos = azx_sd_readl(azx_dev, SD_LPIB);
1148 if (chip->position_fix == POS_FIX_FIFO)
1149 pos += azx_dev->fifo_size;
1151 if (pos >= azx_dev->bufsize)
1153 return bytes_to_frames(substream->runtime, pos);
1156 static struct snd_pcm_ops azx_pcm_ops = {
1157 .open = azx_pcm_open,
1158 .close = azx_pcm_close,
1159 .ioctl = snd_pcm_lib_ioctl,
1160 .hw_params = azx_pcm_hw_params,
1161 .hw_free = azx_pcm_hw_free,
1162 .prepare = azx_pcm_prepare,
1163 .trigger = azx_pcm_trigger,
1164 .pointer = azx_pcm_pointer,
1167 static void azx_pcm_free(struct snd_pcm *pcm)
1169 kfree(pcm->private_data);
1172 static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
1173 struct hda_pcm *cpcm, int pcm_dev)
1176 struct snd_pcm *pcm;
1177 struct azx_pcm *apcm;
1179 snd_assert(cpcm->stream[0].substreams || cpcm->stream[1].substreams, return -EINVAL);
1180 snd_assert(cpcm->name, return -EINVAL);
1182 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1183 cpcm->stream[0].substreams, cpcm->stream[1].substreams,
1187 strcpy(pcm->name, cpcm->name);
1188 apcm = kmalloc(sizeof(*apcm), GFP_KERNEL);
1192 apcm->codec = codec;
1193 apcm->hinfo[0] = &cpcm->stream[0];
1194 apcm->hinfo[1] = &cpcm->stream[1];
1195 pcm->private_data = apcm;
1196 pcm->private_free = azx_pcm_free;
1197 if (cpcm->stream[0].substreams)
1198 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
1199 if (cpcm->stream[1].substreams)
1200 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
1201 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1202 snd_dma_pci_data(chip->pci),
1203 1024 * 64, 1024 * 128);
1204 chip->pcm[pcm_dev] = pcm;
1205 chip->pcm_devs = pcm_dev + 1;
1210 static int __devinit azx_pcm_create(struct azx *chip)
1212 struct list_head *p;
1213 struct hda_codec *codec;
1217 if ((err = snd_hda_build_pcms(chip->bus)) < 0)
1220 /* create audio PCMs */
1222 list_for_each(p, &chip->bus->codec_list) {
1223 codec = list_entry(p, struct hda_codec, list);
1224 for (c = 0; c < codec->num_pcms; c++) {
1225 if (codec->pcm_info[c].is_modem)
1226 continue; /* create later */
1227 if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
1228 snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
1231 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1238 /* create modem PCMs */
1239 pcm_dev = AZX_MAX_AUDIO_PCMS;
1240 list_for_each(p, &chip->bus->codec_list) {
1241 codec = list_entry(p, struct hda_codec, list);
1242 for (c = 0; c < codec->num_pcms; c++) {
1243 if (! codec->pcm_info[c].is_modem)
1244 continue; /* already created */
1245 if (pcm_dev >= AZX_MAX_PCMS) {
1246 snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
1249 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1252 chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
1260 * mixer creation - all stuff is implemented in hda module
1262 static int __devinit azx_mixer_create(struct azx *chip)
1264 return snd_hda_build_controls(chip->bus);
1269 * initialize SD streams
1271 static int __devinit azx_init_stream(struct azx *chip)
1275 /* initialize each stream (aka device)
1276 * assign the starting bdl address to each stream (device) and initialize
1278 for (i = 0; i < chip->num_streams; i++) {
1279 unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
1280 struct azx_dev *azx_dev = &chip->azx_dev[i];
1281 azx_dev->bdl = (u32 *)(chip->bdl.area + off);
1282 azx_dev->bdl_addr = chip->bdl.addr + off;
1283 azx_dev->posbuf = (volatile u32 *)(chip->posbuf.area + i * 8);
1284 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
1285 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
1286 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
1287 azx_dev->sd_int_sta_mask = 1 << i;
1288 /* stream tag: must be non-zero and unique */
1290 azx_dev->stream_tag = i + 1;
1301 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
1303 struct snd_card *card = pci_get_drvdata(pci);
1304 struct azx *chip = card->private_data;
1307 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1308 for (i = 0; i < chip->pcm_devs; i++)
1309 snd_pcm_suspend_all(chip->pcm[i]);
1310 snd_hda_suspend(chip->bus, state);
1311 if (! chip->single_cmd)
1312 azx_free_cmd_io(chip);
1313 pci_disable_device(pci);
1314 pci_save_state(pci);
1318 static int azx_resume(struct pci_dev *pci)
1320 struct snd_card *card = pci_get_drvdata(pci);
1321 struct azx *chip = card->private_data;
1323 pci_restore_state(pci);
1324 pci_enable_device(pci);
1325 pci_set_master(pci);
1326 azx_init_chip(chip);
1327 snd_hda_resume(chip->bus);
1328 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1331 #endif /* CONFIG_PM */
1337 static int azx_free(struct azx *chip)
1339 if (chip->initialized) {
1342 for (i = 0; i < chip->num_streams; i++)
1343 azx_stream_stop(chip, &chip->azx_dev[i]);
1345 /* disable interrupts */
1346 azx_int_disable(chip);
1347 azx_int_clear(chip);
1349 /* disable CORB/RIRB */
1350 if (! chip->single_cmd)
1351 azx_free_cmd_io(chip);
1353 /* disable position buffer */
1354 azx_writel(chip, DPLBASE, 0);
1355 azx_writel(chip, DPUBASE, 0);
1357 /* wait a little for interrupts to finish */
1361 if (chip->remap_addr)
1362 iounmap(chip->remap_addr);
1364 free_irq(chip->irq, (void*)chip);
1367 snd_dma_free_pages(&chip->bdl);
1369 snd_dma_free_pages(&chip->rb);
1370 if (chip->posbuf.area)
1371 snd_dma_free_pages(&chip->posbuf);
1372 pci_release_regions(chip->pci);
1373 pci_disable_device(chip->pci);
1374 kfree(chip->azx_dev);
1380 static int azx_dev_free(struct snd_device *device)
1382 return azx_free(device->device_data);
1388 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
1394 static struct snd_device_ops ops = {
1395 .dev_free = azx_dev_free,
1400 if ((err = pci_enable_device(pci)) < 0)
1403 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1406 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
1407 pci_disable_device(pci);
1411 spin_lock_init(&chip->reg_lock);
1412 mutex_init(&chip->open_mutex);
1416 chip->driver_type = driver_type;
1418 chip->position_fix = position_fix ? position_fix : POS_FIX_POSBUF;
1419 chip->single_cmd = single_cmd;
1421 #if BITS_PER_LONG != 64
1422 /* Fix up base address on ULI M5461 */
1423 if (chip->driver_type == AZX_DRIVER_ULI) {
1425 pci_read_config_word(pci, 0x40, &tmp3);
1426 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1427 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1431 if ((err = pci_request_regions(pci, "ICH HD audio")) < 0) {
1433 pci_disable_device(pci);
1437 chip->addr = pci_resource_start(pci,0);
1438 chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
1439 if (chip->remap_addr == NULL) {
1440 snd_printk(KERN_ERR SFX "ioremap error\n");
1445 if (request_irq(pci->irq, azx_interrupt, SA_INTERRUPT|SA_SHIRQ,
1446 "HDA Intel", (void*)chip)) {
1447 snd_printk(KERN_ERR SFX "unable to grab IRQ %d\n", pci->irq);
1451 chip->irq = pci->irq;
1453 pci_set_master(pci);
1454 synchronize_irq(chip->irq);
1456 switch (chip->driver_type) {
1457 case AZX_DRIVER_ULI:
1458 chip->playback_streams = ULI_NUM_PLAYBACK;
1459 chip->capture_streams = ULI_NUM_CAPTURE;
1460 chip->playback_index_offset = ULI_PLAYBACK_INDEX;
1461 chip->capture_index_offset = ULI_CAPTURE_INDEX;
1464 chip->playback_streams = ICH6_NUM_PLAYBACK;
1465 chip->capture_streams = ICH6_NUM_CAPTURE;
1466 chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
1467 chip->capture_index_offset = ICH6_CAPTURE_INDEX;
1470 chip->num_streams = chip->playback_streams + chip->capture_streams;
1471 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL);
1472 if (! chip->azx_dev) {
1473 snd_printk(KERN_ERR "cannot malloc azx_dev\n");
1477 /* allocate memory for the BDL for each stream */
1478 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1479 BDL_SIZE, &chip->bdl)) < 0) {
1480 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
1483 /* allocate memory for the position buffer */
1484 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1485 chip->num_streams * 8, &chip->posbuf)) < 0) {
1486 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
1489 /* allocate CORB/RIRB */
1490 if (! chip->single_cmd)
1491 if ((err = azx_alloc_cmd_io(chip)) < 0)
1494 /* initialize streams */
1495 azx_init_stream(chip);
1497 /* initialize chip */
1498 azx_init_chip(chip);
1500 chip->initialized = 1;
1502 /* codec detection */
1503 if (! chip->codec_mask) {
1504 snd_printk(KERN_ERR SFX "no codecs found!\n");
1509 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) <0) {
1510 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
1514 strcpy(card->driver, "HDA-Intel");
1515 strcpy(card->shortname, driver_short_names[chip->driver_type]);
1516 sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->addr, chip->irq);
1526 static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1528 struct snd_card *card;
1532 card = snd_card_new(index, id, THIS_MODULE, 0);
1534 snd_printk(KERN_ERR SFX "Error creating card!\n");
1538 if ((err = azx_create(card, pci, pci_id->driver_data,
1540 snd_card_free(card);
1543 card->private_data = chip;
1545 /* create codec instances */
1546 if ((err = azx_codec_create(chip, model)) < 0) {
1547 snd_card_free(card);
1551 /* create PCM streams */
1552 if ((err = azx_pcm_create(chip)) < 0) {
1553 snd_card_free(card);
1557 /* create mixer controls */
1558 if ((err = azx_mixer_create(chip)) < 0) {
1559 snd_card_free(card);
1563 snd_card_set_dev(card, &pci->dev);
1565 if ((err = snd_card_register(card)) < 0) {
1566 snd_card_free(card);
1570 pci_set_drvdata(pci, card);
1575 static void __devexit azx_remove(struct pci_dev *pci)
1577 snd_card_free(pci_get_drvdata(pci));
1578 pci_set_drvdata(pci, NULL);
1582 static struct pci_device_id azx_ids[] = {
1583 { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
1584 { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
1585 { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
1586 { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */
1587 { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
1588 { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
1589 { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
1590 { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
1591 { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 026c */
1592 { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 0371 */
1595 MODULE_DEVICE_TABLE(pci, azx_ids);
1597 /* pci_driver definition */
1598 static struct pci_driver driver = {
1599 .name = "HDA Intel",
1600 .id_table = azx_ids,
1602 .remove = __devexit_p(azx_remove),
1604 .suspend = azx_suspend,
1605 .resume = azx_resume,
1609 static int __init alsa_card_azx_init(void)
1611 return pci_register_driver(&driver);
1614 static void __exit alsa_card_azx_exit(void)
1616 pci_unregister_driver(&driver);
1619 module_init(alsa_card_azx_init)
1620 module_exit(alsa_card_azx_exit)