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 <sound/core.h>
47 #include <sound/initval.h>
48 #include "hda_codec.h"
51 static int index = SNDRV_DEFAULT_IDX1;
52 static char *id = SNDRV_DEFAULT_STR1;
54 static int position_fix;
55 static int probe_mask = -1;
57 module_param(index, int, 0444);
58 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
59 module_param(id, charp, 0444);
60 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
61 module_param(model, charp, 0444);
62 MODULE_PARM_DESC(model, "Use the given board model.");
63 module_param(position_fix, int, 0444);
64 MODULE_PARM_DESC(position_fix, "Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
65 module_param(probe_mask, int, 0444);
66 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
69 /* just for backward compatibility */
71 module_param(enable, bool, 0444);
73 MODULE_LICENSE("GPL");
74 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
83 MODULE_DESCRIPTION("Intel HDA driver");
85 #define SFX "hda-intel: "
90 #define ICH6_REG_GCAP 0x00
91 #define ICH6_REG_VMIN 0x02
92 #define ICH6_REG_VMAJ 0x03
93 #define ICH6_REG_OUTPAY 0x04
94 #define ICH6_REG_INPAY 0x06
95 #define ICH6_REG_GCTL 0x08
96 #define ICH6_REG_WAKEEN 0x0c
97 #define ICH6_REG_STATESTS 0x0e
98 #define ICH6_REG_GSTS 0x10
99 #define ICH6_REG_INTCTL 0x20
100 #define ICH6_REG_INTSTS 0x24
101 #define ICH6_REG_WALCLK 0x30
102 #define ICH6_REG_SYNC 0x34
103 #define ICH6_REG_CORBLBASE 0x40
104 #define ICH6_REG_CORBUBASE 0x44
105 #define ICH6_REG_CORBWP 0x48
106 #define ICH6_REG_CORBRP 0x4A
107 #define ICH6_REG_CORBCTL 0x4c
108 #define ICH6_REG_CORBSTS 0x4d
109 #define ICH6_REG_CORBSIZE 0x4e
111 #define ICH6_REG_RIRBLBASE 0x50
112 #define ICH6_REG_RIRBUBASE 0x54
113 #define ICH6_REG_RIRBWP 0x58
114 #define ICH6_REG_RINTCNT 0x5a
115 #define ICH6_REG_RIRBCTL 0x5c
116 #define ICH6_REG_RIRBSTS 0x5d
117 #define ICH6_REG_RIRBSIZE 0x5e
119 #define ICH6_REG_IC 0x60
120 #define ICH6_REG_IR 0x64
121 #define ICH6_REG_IRS 0x68
122 #define ICH6_IRS_VALID (1<<1)
123 #define ICH6_IRS_BUSY (1<<0)
125 #define ICH6_REG_DPLBASE 0x70
126 #define ICH6_REG_DPUBASE 0x74
127 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
129 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
130 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
132 /* stream register offsets from stream base */
133 #define ICH6_REG_SD_CTL 0x00
134 #define ICH6_REG_SD_STS 0x03
135 #define ICH6_REG_SD_LPIB 0x04
136 #define ICH6_REG_SD_CBL 0x08
137 #define ICH6_REG_SD_LVI 0x0c
138 #define ICH6_REG_SD_FIFOW 0x0e
139 #define ICH6_REG_SD_FIFOSIZE 0x10
140 #define ICH6_REG_SD_FORMAT 0x12
141 #define ICH6_REG_SD_BDLPL 0x18
142 #define ICH6_REG_SD_BDLPU 0x1c
145 #define ICH6_PCIREG_TCSEL 0x44
151 /* max number of SDs */
152 /* ICH, ATI and VIA have 4 playback and 4 capture */
153 #define ICH6_CAPTURE_INDEX 0
154 #define ICH6_NUM_CAPTURE 4
155 #define ICH6_PLAYBACK_INDEX 4
156 #define ICH6_NUM_PLAYBACK 4
158 /* ULI has 6 playback and 5 capture */
159 #define ULI_CAPTURE_INDEX 0
160 #define ULI_NUM_CAPTURE 5
161 #define ULI_PLAYBACK_INDEX 5
162 #define ULI_NUM_PLAYBACK 6
164 /* this number is statically defined for simplicity */
165 #define MAX_AZX_DEV 16
167 /* max number of fragments - we may use more if allocating more pages for BDL */
168 #define BDL_SIZE PAGE_ALIGN(8192)
169 #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
170 /* max buffer size - no h/w limit, you can increase as you like */
171 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
172 /* max number of PCM devics per card */
173 #define AZX_MAX_AUDIO_PCMS 6
174 #define AZX_MAX_MODEM_PCMS 2
175 #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
177 /* RIRB int mask: overrun[2], response[0] */
178 #define RIRB_INT_RESPONSE 0x01
179 #define RIRB_INT_OVERRUN 0x04
180 #define RIRB_INT_MASK 0x05
182 /* STATESTS int mask: SD2,SD1,SD0 */
183 #define STATESTS_INT_MASK 0x07
184 #define AZX_MAX_CODECS 4
187 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
188 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
189 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
190 #define SD_CTL_STREAM_TAG_SHIFT 20
192 /* SD_CTL and SD_STS */
193 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
194 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
195 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
196 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|SD_INT_COMPLETE)
199 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
201 /* INTCTL and INTSTS */
202 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
203 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
204 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
206 /* GCTL unsolicited response enable bit */
207 #define ICH6_GCTL_UREN (1<<8)
210 #define ICH6_GCTL_RESET (1<<0)
212 /* CORB/RIRB control, read/write pointer */
213 #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */
214 #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */
215 #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */
216 /* below are so far hardcoded - should read registers in future */
217 #define ICH6_MAX_CORB_ENTRIES 256
218 #define ICH6_MAX_RIRB_ENTRIES 256
220 /* position fix mode */
228 /* Defines for ATI HD Audio support in SB450 south bridge */
229 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
230 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
232 /* Defines for Nvidia HDA support */
233 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
234 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
237 * Use CORB/RIRB for communication from/to codecs.
238 * This is the way recommended by Intel (see below).
240 #define USE_CORB_RIRB
246 u32 *bdl; /* virtual address of the BDL */
247 dma_addr_t bdl_addr; /* physical address of the BDL */
248 volatile u32 *posbuf; /* position buffer pointer */
250 unsigned int bufsize; /* size of the play buffer in bytes */
251 unsigned int fragsize; /* size of each period in bytes */
252 unsigned int frags; /* number for period in the play buffer */
253 unsigned int fifo_size; /* FIFO size */
254 unsigned int last_pos; /* last updated period position */
256 void __iomem *sd_addr; /* stream descriptor pointer */
258 u32 sd_int_sta_mask; /* stream int status mask */
261 struct snd_pcm_substream *substream; /* assigned substream, set in PCM open */
262 unsigned int format_val; /* format value to be set in the controller and the codec */
263 unsigned char stream_tag; /* assigned stream */
264 unsigned char index; /* stream index */
266 unsigned int opened: 1;
267 unsigned int running: 1;
268 unsigned int period_updating: 1;
273 u32 *buf; /* CORB/RIRB buffer
274 * Each CORB entry is 4byte, RIRB is 8byte
276 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
278 unsigned short rp, wp; /* read/write pointers */
279 int cmds; /* number of pending requests */
280 u32 res; /* last read value */
284 struct snd_card *card;
287 /* chip type specific */
289 int playback_streams;
290 int playback_index_offset;
292 int capture_index_offset;
297 void __iomem *remap_addr;
302 struct semaphore open_mutex;
304 /* streams (x num_streams) */
305 struct azx_dev *azx_dev;
308 unsigned int pcm_devs;
309 struct snd_pcm *pcm[AZX_MAX_PCMS];
312 unsigned short codec_mask;
319 /* BDL, CORB/RIRB and position buffers */
320 struct snd_dma_buffer bdl;
321 struct snd_dma_buffer rb;
322 struct snd_dma_buffer posbuf;
326 unsigned int initialized: 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
392 * CORB / RIRB interface
394 static int azx_alloc_cmd_io(struct azx *chip)
398 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
399 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
400 PAGE_SIZE, &chip->rb);
402 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
408 static void azx_init_cmd_io(struct azx *chip)
411 chip->corb.addr = chip->rb.addr;
412 chip->corb.buf = (u32 *)chip->rb.area;
413 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
414 azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
416 /* set the corb size to 256 entries (ULI requires explicitly) */
417 azx_writeb(chip, CORBSIZE, 0x02);
418 /* set the corb write pointer to 0 */
419 azx_writew(chip, CORBWP, 0);
420 /* reset the corb hw read pointer */
421 azx_writew(chip, CORBRP, ICH6_RBRWP_CLR);
422 /* enable corb dma */
423 azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN);
426 chip->rirb.addr = chip->rb.addr + 2048;
427 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
428 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
429 azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
431 /* set the rirb size to 256 entries (ULI requires explicitly) */
432 azx_writeb(chip, RIRBSIZE, 0x02);
433 /* reset the rirb hw write pointer */
434 azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR);
435 /* set N=1, get RIRB response interrupt for new entry */
436 azx_writew(chip, RINTCNT, 1);
437 /* enable rirb dma and response irq */
439 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
441 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN);
443 chip->rirb.rp = chip->rirb.cmds = 0;
446 static void azx_free_cmd_io(struct azx *chip)
448 /* disable ringbuffer DMAs */
449 azx_writeb(chip, RIRBCTL, 0);
450 azx_writeb(chip, CORBCTL, 0);
454 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
455 unsigned int verb, unsigned int para)
457 struct azx *chip = codec->bus->private_data;
461 val = (u32)(codec->addr & 0x0f) << 28;
462 val |= (u32)direct << 27;
463 val |= (u32)nid << 20;
467 /* add command to corb */
468 wp = azx_readb(chip, CORBWP);
470 wp %= ICH6_MAX_CORB_ENTRIES;
472 spin_lock_irq(&chip->reg_lock);
474 chip->corb.buf[wp] = cpu_to_le32(val);
475 azx_writel(chip, CORBWP, wp);
476 spin_unlock_irq(&chip->reg_lock);
481 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
483 /* retrieve RIRB entry - called from interrupt handler */
484 static void azx_update_rirb(struct azx *chip)
489 wp = azx_readb(chip, RIRBWP);
490 if (wp == chip->rirb.wp)
494 while (chip->rirb.rp != wp) {
496 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
498 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
499 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
500 res = le32_to_cpu(chip->rirb.buf[rp]);
501 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
502 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
503 else if (chip->rirb.cmds) {
505 chip->rirb.res = res;
510 /* receive a response */
511 static unsigned int azx_get_response(struct hda_codec *codec)
513 struct azx *chip = codec->bus->private_data;
516 while (chip->rirb.cmds) {
518 if (printk_ratelimit())
520 "azx_get_response timeout\n");
521 chip->rirb.rp = azx_readb(chip, RIRBWP);
527 return chip->rirb.res; /* the last value */
532 * Use the single immediate command instead of CORB/RIRB for simplicity
534 * Note: according to Intel, this is not preferred use. The command was
535 * intended for the BIOS only, and may get confused with unsolicited
536 * responses. So, we shouldn't use it for normal operation from the
538 * I left the codes, however, for debugging/testing purposes.
541 #define azx_alloc_cmd_io(chip) 0
542 #define azx_init_cmd_io(chip)
543 #define azx_free_cmd_io(chip)
546 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
547 unsigned int verb, unsigned int para)
549 struct azx *chip = codec->bus->private_data;
553 val = (u32)(codec->addr & 0x0f) << 28;
554 val |= (u32)direct << 27;
555 val |= (u32)nid << 20;
560 /* check ICB busy bit */
561 if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) {
562 /* Clear IRV valid bit */
563 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_VALID);
564 azx_writel(chip, IC, val);
565 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_BUSY);
570 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n", azx_readw(chip, IRS), val);
574 /* receive a response */
575 static unsigned int azx_get_response(struct hda_codec *codec)
577 struct azx *chip = codec->bus->private_data;
581 /* check IRV busy bit */
582 if (azx_readw(chip, IRS) & ICH6_IRS_VALID)
583 return azx_readl(chip, IR);
586 snd_printd(SFX "get_response timeout: IRS=0x%x\n", azx_readw(chip, IRS));
587 return (unsigned int)-1;
590 #define azx_update_rirb(chip)
592 #endif /* USE_CORB_RIRB */
594 /* reset codec link */
595 static int azx_reset(struct azx *chip)
599 /* reset controller */
600 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
603 while (azx_readb(chip, GCTL) && --count)
606 /* delay for >= 100us for codec PLL to settle per spec
607 * Rev 0.9 section 5.5.1
611 /* Bring controller out of reset */
612 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
615 while (! azx_readb(chip, GCTL) && --count)
618 /* Brent Chartrand said to wait >= 540us for codecs to intialize */
621 /* check to see if controller is ready */
622 if (! azx_readb(chip, GCTL)) {
623 snd_printd("azx_reset: controller not ready!\n");
627 /* Accept unsolicited responses */
628 azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);
631 if (! chip->codec_mask) {
632 chip->codec_mask = azx_readw(chip, STATESTS);
633 snd_printdd("codec_mask = 0x%x\n", chip->codec_mask);
644 /* enable interrupts */
645 static void azx_int_enable(struct azx *chip)
647 /* enable controller CIE and GIE */
648 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
649 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
652 /* disable interrupts */
653 static void azx_int_disable(struct azx *chip)
657 /* disable interrupts in stream descriptor */
658 for (i = 0; i < chip->num_streams; i++) {
659 struct azx_dev *azx_dev = &chip->azx_dev[i];
660 azx_sd_writeb(azx_dev, SD_CTL,
661 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
664 /* disable SIE for all streams */
665 azx_writeb(chip, INTCTL, 0);
667 /* disable controller CIE and GIE */
668 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
669 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
672 /* clear interrupts */
673 static void azx_int_clear(struct azx *chip)
677 /* clear stream status */
678 for (i = 0; i < chip->num_streams; i++) {
679 struct azx_dev *azx_dev = &chip->azx_dev[i];
680 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
684 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
686 /* clear rirb status */
687 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
689 /* clear int status */
690 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
694 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
697 azx_writeb(chip, INTCTL,
698 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
699 /* set DMA start and interrupt mask */
700 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
701 SD_CTL_DMA_START | SD_INT_MASK);
705 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
708 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
709 ~(SD_CTL_DMA_START | SD_INT_MASK));
710 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
712 azx_writeb(chip, INTCTL,
713 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
718 * initialize the chip
720 static void azx_init_chip(struct azx *chip)
724 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
725 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
726 * Ensuring these bits are 0 clears playback static on some HD Audio codecs
728 pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, ®);
729 pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
731 /* reset controller */
734 /* initialize interrupts */
736 azx_int_enable(chip);
738 /* initialize the codec command I/O */
739 azx_init_cmd_io(chip);
741 /* program the position buffer */
742 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
743 azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
745 switch (chip->driver_type) {
747 /* For ATI SB450 azalia HD audio, we need to enable snoop */
748 pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
750 pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
751 (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
753 case AZX_DRIVER_NVIDIA:
754 /* For NVIDIA HDA, enable snoop */
755 pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, ®);
756 pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR,
757 (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS);
766 static irqreturn_t azx_interrupt(int irq, void* dev_id, struct pt_regs *regs)
768 struct azx *chip = dev_id;
769 struct azx_dev *azx_dev;
773 spin_lock(&chip->reg_lock);
775 status = azx_readl(chip, INTSTS);
777 spin_unlock(&chip->reg_lock);
781 for (i = 0; i < chip->num_streams; i++) {
782 azx_dev = &chip->azx_dev[i];
783 if (status & azx_dev->sd_int_sta_mask) {
784 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
785 if (azx_dev->substream && azx_dev->running) {
786 azx_dev->period_updating = 1;
787 spin_unlock(&chip->reg_lock);
788 snd_pcm_period_elapsed(azx_dev->substream);
789 spin_lock(&chip->reg_lock);
790 azx_dev->period_updating = 0;
796 status = azx_readb(chip, RIRBSTS);
797 if (status & RIRB_INT_MASK) {
798 if (status & RIRB_INT_RESPONSE)
799 azx_update_rirb(chip);
800 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
804 /* clear state status int */
805 if (azx_readb(chip, STATESTS) & 0x04)
806 azx_writeb(chip, STATESTS, 0x04);
808 spin_unlock(&chip->reg_lock);
817 static void azx_setup_periods(struct azx_dev *azx_dev)
819 u32 *bdl = azx_dev->bdl;
820 dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
823 /* reset BDL address */
824 azx_sd_writel(azx_dev, SD_BDLPL, 0);
825 azx_sd_writel(azx_dev, SD_BDLPU, 0);
827 /* program the initial BDL entries */
828 for (idx = 0; idx < azx_dev->frags; idx++) {
829 unsigned int off = idx << 2; /* 4 dword step */
830 dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
831 /* program the address field of the BDL entry */
832 bdl[off] = cpu_to_le32((u32)addr);
833 bdl[off+1] = cpu_to_le32(upper_32bit(addr));
835 /* program the size field of the BDL entry */
836 bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
838 /* program the IOC to enable interrupt when buffer completes */
839 bdl[off+3] = cpu_to_le32(0x01);
844 * set up the SD for streaming
846 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
851 /* make sure the run bit is zero for SD */
852 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & ~SD_CTL_DMA_START);
854 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | SD_CTL_STREAM_RESET);
857 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
860 val &= ~SD_CTL_STREAM_RESET;
861 azx_sd_writeb(azx_dev, SD_CTL, val);
865 /* waiting for hardware to report that the stream is out of reset */
866 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
870 /* program the stream_tag */
871 azx_sd_writel(azx_dev, SD_CTL,
872 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK) |
873 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
875 /* program the length of samples in cyclic buffer */
876 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
878 /* program the stream format */
879 /* this value needs to be the same as the one programmed */
880 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
882 /* program the stream LVI (last valid index) of the BDL */
883 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
885 /* program the BDL address */
886 /* lower BDL address */
887 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
888 /* upper BDL address */
889 azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
891 /* enable the position buffer */
892 if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
893 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
895 /* set the interrupt enable bits in the descriptor control register */
896 azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
903 * Codec initialization
906 static int __devinit azx_codec_create(struct azx *chip, const char *model)
908 struct hda_bus_template bus_temp;
911 memset(&bus_temp, 0, sizeof(bus_temp));
912 bus_temp.private_data = chip;
913 bus_temp.modelname = model;
914 bus_temp.pci = chip->pci;
915 bus_temp.ops.command = azx_send_cmd;
916 bus_temp.ops.get_response = azx_get_response;
918 if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0)
922 for (c = 0; c < AZX_MAX_CODECS; c++) {
923 if ((chip->codec_mask & (1 << c)) & probe_mask) {
924 err = snd_hda_codec_new(chip->bus, c, NULL);
931 snd_printk(KERN_ERR SFX "no codecs initialized\n");
943 /* assign a stream for the PCM */
944 static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
947 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
948 dev = chip->playback_index_offset;
949 nums = chip->playback_streams;
951 dev = chip->capture_index_offset;
952 nums = chip->capture_streams;
954 for (i = 0; i < nums; i++, dev++)
955 if (! chip->azx_dev[dev].opened) {
956 chip->azx_dev[dev].opened = 1;
957 return &chip->azx_dev[dev];
962 /* release the assigned stream */
963 static inline void azx_release_device(struct azx_dev *azx_dev)
968 static struct snd_pcm_hardware azx_pcm_hw = {
969 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
970 SNDRV_PCM_INFO_BLOCK_TRANSFER |
971 SNDRV_PCM_INFO_MMAP_VALID |
972 SNDRV_PCM_INFO_PAUSE /*|*/
973 /*SNDRV_PCM_INFO_RESUME*/),
974 .formats = SNDRV_PCM_FMTBIT_S16_LE,
975 .rates = SNDRV_PCM_RATE_48000,
980 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
981 .period_bytes_min = 128,
982 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
984 .periods_max = AZX_MAX_FRAG,
990 struct hda_codec *codec;
991 struct hda_pcm_stream *hinfo[2];
994 static int azx_pcm_open(struct snd_pcm_substream *substream)
996 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
997 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
998 struct azx *chip = apcm->chip;
999 struct azx_dev *azx_dev;
1000 struct snd_pcm_runtime *runtime = substream->runtime;
1001 unsigned long flags;
1004 down(&chip->open_mutex);
1005 azx_dev = azx_assign_device(chip, substream->stream);
1006 if (azx_dev == NULL) {
1007 up(&chip->open_mutex);
1010 runtime->hw = azx_pcm_hw;
1011 runtime->hw.channels_min = hinfo->channels_min;
1012 runtime->hw.channels_max = hinfo->channels_max;
1013 runtime->hw.formats = hinfo->formats;
1014 runtime->hw.rates = hinfo->rates;
1015 snd_pcm_limit_hw_rates(runtime);
1016 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1017 if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) {
1018 azx_release_device(azx_dev);
1019 up(&chip->open_mutex);
1022 spin_lock_irqsave(&chip->reg_lock, flags);
1023 azx_dev->substream = substream;
1024 azx_dev->running = 0;
1025 spin_unlock_irqrestore(&chip->reg_lock, flags);
1027 runtime->private_data = azx_dev;
1028 up(&chip->open_mutex);
1032 static int azx_pcm_close(struct snd_pcm_substream *substream)
1034 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1035 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1036 struct azx *chip = apcm->chip;
1037 struct azx_dev *azx_dev = get_azx_dev(substream);
1038 unsigned long flags;
1040 down(&chip->open_mutex);
1041 spin_lock_irqsave(&chip->reg_lock, flags);
1042 azx_dev->substream = NULL;
1043 azx_dev->running = 0;
1044 spin_unlock_irqrestore(&chip->reg_lock, flags);
1045 azx_release_device(azx_dev);
1046 hinfo->ops.close(hinfo, apcm->codec, substream);
1047 up(&chip->open_mutex);
1051 static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
1053 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1056 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1058 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1059 struct azx_dev *azx_dev = get_azx_dev(substream);
1060 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1062 /* reset BDL address */
1063 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1064 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1065 azx_sd_writel(azx_dev, SD_CTL, 0);
1067 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1069 return snd_pcm_lib_free_pages(substream);
1072 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1074 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1075 struct azx *chip = apcm->chip;
1076 struct azx_dev *azx_dev = get_azx_dev(substream);
1077 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1078 struct snd_pcm_runtime *runtime = substream->runtime;
1080 azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
1081 azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
1082 azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
1083 azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
1087 if (! azx_dev->format_val) {
1088 snd_printk(KERN_ERR SFX "invalid format_val, rate=%d, ch=%d, format=%d\n",
1089 runtime->rate, runtime->channels, runtime->format);
1093 snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, format=0x%x\n",
1094 azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
1095 azx_setup_periods(azx_dev);
1096 azx_setup_controller(chip, azx_dev);
1097 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1098 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1100 azx_dev->fifo_size = 0;
1101 azx_dev->last_pos = 0;
1103 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1104 azx_dev->format_val, substream);
1107 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1109 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1110 struct azx_dev *azx_dev = get_azx_dev(substream);
1111 struct azx *chip = apcm->chip;
1114 spin_lock(&chip->reg_lock);
1116 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1117 case SNDRV_PCM_TRIGGER_RESUME:
1118 case SNDRV_PCM_TRIGGER_START:
1119 azx_stream_start(chip, azx_dev);
1120 azx_dev->running = 1;
1122 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1123 case SNDRV_PCM_TRIGGER_SUSPEND:
1124 case SNDRV_PCM_TRIGGER_STOP:
1125 azx_stream_stop(chip, azx_dev);
1126 azx_dev->running = 0;
1131 spin_unlock(&chip->reg_lock);
1132 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
1133 cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
1134 cmd == SNDRV_PCM_TRIGGER_STOP) {
1136 while (azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START && --timeout)
1142 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1144 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1145 struct azx *chip = apcm->chip;
1146 struct azx_dev *azx_dev = get_azx_dev(substream);
1149 if (chip->position_fix == POS_FIX_POSBUF) {
1150 /* use the position buffer */
1151 pos = *azx_dev->posbuf;
1154 pos = azx_sd_readl(azx_dev, SD_LPIB);
1155 if (chip->position_fix == POS_FIX_FIFO)
1156 pos += azx_dev->fifo_size;
1158 if (pos >= azx_dev->bufsize)
1160 return bytes_to_frames(substream->runtime, pos);
1163 static struct snd_pcm_ops azx_pcm_ops = {
1164 .open = azx_pcm_open,
1165 .close = azx_pcm_close,
1166 .ioctl = snd_pcm_lib_ioctl,
1167 .hw_params = azx_pcm_hw_params,
1168 .hw_free = azx_pcm_hw_free,
1169 .prepare = azx_pcm_prepare,
1170 .trigger = azx_pcm_trigger,
1171 .pointer = azx_pcm_pointer,
1174 static void azx_pcm_free(struct snd_pcm *pcm)
1176 kfree(pcm->private_data);
1179 static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
1180 struct hda_pcm *cpcm, int pcm_dev)
1183 struct snd_pcm *pcm;
1184 struct azx_pcm *apcm;
1186 snd_assert(cpcm->stream[0].substreams || cpcm->stream[1].substreams, return -EINVAL);
1187 snd_assert(cpcm->name, return -EINVAL);
1189 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1190 cpcm->stream[0].substreams, cpcm->stream[1].substreams,
1194 strcpy(pcm->name, cpcm->name);
1195 apcm = kmalloc(sizeof(*apcm), GFP_KERNEL);
1199 apcm->codec = codec;
1200 apcm->hinfo[0] = &cpcm->stream[0];
1201 apcm->hinfo[1] = &cpcm->stream[1];
1202 pcm->private_data = apcm;
1203 pcm->private_free = azx_pcm_free;
1204 if (cpcm->stream[0].substreams)
1205 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
1206 if (cpcm->stream[1].substreams)
1207 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
1208 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1209 snd_dma_pci_data(chip->pci),
1210 1024 * 64, 1024 * 128);
1211 chip->pcm[pcm_dev] = pcm;
1212 chip->pcm_devs = pcm_dev + 1;
1217 static int __devinit azx_pcm_create(struct azx *chip)
1219 struct list_head *p;
1220 struct hda_codec *codec;
1224 if ((err = snd_hda_build_pcms(chip->bus)) < 0)
1227 /* create audio PCMs */
1229 list_for_each(p, &chip->bus->codec_list) {
1230 codec = list_entry(p, struct hda_codec, list);
1231 for (c = 0; c < codec->num_pcms; c++) {
1232 if (codec->pcm_info[c].is_modem)
1233 continue; /* create later */
1234 if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
1235 snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
1238 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1245 /* create modem PCMs */
1246 pcm_dev = AZX_MAX_AUDIO_PCMS;
1247 list_for_each(p, &chip->bus->codec_list) {
1248 codec = list_entry(p, struct hda_codec, list);
1249 for (c = 0; c < codec->num_pcms; c++) {
1250 if (! codec->pcm_info[c].is_modem)
1251 continue; /* already created */
1252 if (pcm_dev >= AZX_MAX_PCMS) {
1253 snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
1256 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1259 chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
1267 * mixer creation - all stuff is implemented in hda module
1269 static int __devinit azx_mixer_create(struct azx *chip)
1271 return snd_hda_build_controls(chip->bus);
1276 * initialize SD streams
1278 static int __devinit azx_init_stream(struct azx *chip)
1282 /* initialize each stream (aka device)
1283 * assign the starting bdl address to each stream (device) and initialize
1285 for (i = 0; i < chip->num_streams; i++) {
1286 unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
1287 struct azx_dev *azx_dev = &chip->azx_dev[i];
1288 azx_dev->bdl = (u32 *)(chip->bdl.area + off);
1289 azx_dev->bdl_addr = chip->bdl.addr + off;
1290 azx_dev->posbuf = (volatile u32 *)(chip->posbuf.area + i * 8);
1291 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
1292 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
1293 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
1294 azx_dev->sd_int_sta_mask = 1 << i;
1295 /* stream tag: must be non-zero and unique */
1297 azx_dev->stream_tag = i + 1;
1308 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
1310 struct snd_card *card = pci_get_drvdata(pci);
1311 struct azx *chip = card->private_data;
1314 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1315 for (i = 0; i < chip->pcm_devs; i++)
1316 snd_pcm_suspend_all(chip->pcm[i]);
1317 snd_hda_suspend(chip->bus, state);
1318 azx_free_cmd_io(chip);
1319 pci_disable_device(pci);
1320 pci_save_state(pci);
1324 static int azx_resume(struct pci_dev *pci)
1326 struct snd_card *card = pci_get_drvdata(pci);
1327 struct azx *chip = card->private_data;
1329 pci_restore_state(pci);
1330 pci_enable_device(pci);
1331 pci_set_master(pci);
1332 azx_init_chip(chip);
1333 snd_hda_resume(chip->bus);
1334 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1337 #endif /* CONFIG_PM */
1343 static int azx_free(struct azx *chip)
1345 if (chip->initialized) {
1348 for (i = 0; i < chip->num_streams; i++)
1349 azx_stream_stop(chip, &chip->azx_dev[i]);
1351 /* disable interrupts */
1352 azx_int_disable(chip);
1353 azx_int_clear(chip);
1355 /* disable CORB/RIRB */
1356 azx_free_cmd_io(chip);
1358 /* disable position buffer */
1359 azx_writel(chip, DPLBASE, 0);
1360 azx_writel(chip, DPUBASE, 0);
1362 /* wait a little for interrupts to finish */
1366 if (chip->remap_addr)
1367 iounmap(chip->remap_addr);
1369 free_irq(chip->irq, (void*)chip);
1372 snd_dma_free_pages(&chip->bdl);
1374 snd_dma_free_pages(&chip->rb);
1375 if (chip->posbuf.area)
1376 snd_dma_free_pages(&chip->posbuf);
1377 pci_release_regions(chip->pci);
1378 pci_disable_device(chip->pci);
1379 kfree(chip->azx_dev);
1385 static int azx_dev_free(struct snd_device *device)
1387 return azx_free(device->device_data);
1393 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
1399 static struct snd_device_ops ops = {
1400 .dev_free = azx_dev_free,
1405 if ((err = pci_enable_device(pci)) < 0)
1408 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1411 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
1412 pci_disable_device(pci);
1416 spin_lock_init(&chip->reg_lock);
1417 init_MUTEX(&chip->open_mutex);
1421 chip->driver_type = driver_type;
1423 chip->position_fix = position_fix ? position_fix : POS_FIX_POSBUF;
1425 #if BITS_PER_LONG != 64
1426 /* Fix up base address on ULI M5461 */
1427 if (chip->driver_type == AZX_DRIVER_ULI) {
1429 pci_read_config_word(pci, 0x40, &tmp3);
1430 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1431 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1435 if ((err = pci_request_regions(pci, "ICH HD audio")) < 0) {
1437 pci_disable_device(pci);
1441 chip->addr = pci_resource_start(pci,0);
1442 chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
1443 if (chip->remap_addr == NULL) {
1444 snd_printk(KERN_ERR SFX "ioremap error\n");
1449 if (request_irq(pci->irq, azx_interrupt, SA_INTERRUPT|SA_SHIRQ,
1450 "HDA Intel", (void*)chip)) {
1451 snd_printk(KERN_ERR SFX "unable to grab IRQ %d\n", pci->irq);
1455 chip->irq = pci->irq;
1457 pci_set_master(pci);
1458 synchronize_irq(chip->irq);
1460 switch (chip->driver_type) {
1461 case AZX_DRIVER_ULI:
1462 chip->playback_streams = ULI_NUM_PLAYBACK;
1463 chip->capture_streams = ULI_NUM_CAPTURE;
1464 chip->playback_index_offset = ULI_PLAYBACK_INDEX;
1465 chip->capture_index_offset = ULI_CAPTURE_INDEX;
1468 chip->playback_streams = ICH6_NUM_PLAYBACK;
1469 chip->capture_streams = ICH6_NUM_CAPTURE;
1470 chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
1471 chip->capture_index_offset = ICH6_CAPTURE_INDEX;
1474 chip->num_streams = chip->playback_streams + chip->capture_streams;
1475 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL);
1476 if (! chip->azx_dev) {
1477 snd_printk(KERN_ERR "cannot malloc azx_dev\n");
1481 /* allocate memory for the BDL for each stream */
1482 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1483 BDL_SIZE, &chip->bdl)) < 0) {
1484 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
1487 /* allocate memory for the position buffer */
1488 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1489 chip->num_streams * 8, &chip->posbuf)) < 0) {
1490 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
1493 /* allocate CORB/RIRB */
1494 if ((err = azx_alloc_cmd_io(chip)) < 0)
1497 /* initialize streams */
1498 azx_init_stream(chip);
1500 /* initialize chip */
1501 azx_init_chip(chip);
1503 chip->initialized = 1;
1505 /* codec detection */
1506 if (! chip->codec_mask) {
1507 snd_printk(KERN_ERR SFX "no codecs found!\n");
1512 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) <0) {
1513 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
1517 strcpy(card->driver, "HDA-Intel");
1518 strcpy(card->shortname, driver_short_names[chip->driver_type]);
1519 sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->addr, chip->irq);
1529 static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1531 struct snd_card *card;
1535 card = snd_card_new(index, id, THIS_MODULE, 0);
1537 snd_printk(KERN_ERR SFX "Error creating card!\n");
1541 if ((err = azx_create(card, pci, pci_id->driver_data,
1543 snd_card_free(card);
1546 card->private_data = chip;
1548 /* create codec instances */
1549 if ((err = azx_codec_create(chip, model)) < 0) {
1550 snd_card_free(card);
1554 /* create PCM streams */
1555 if ((err = azx_pcm_create(chip)) < 0) {
1556 snd_card_free(card);
1560 /* create mixer controls */
1561 if ((err = azx_mixer_create(chip)) < 0) {
1562 snd_card_free(card);
1566 snd_card_set_dev(card, &pci->dev);
1568 if ((err = snd_card_register(card)) < 0) {
1569 snd_card_free(card);
1573 pci_set_drvdata(pci, card);
1578 static void __devexit azx_remove(struct pci_dev *pci)
1580 snd_card_free(pci_get_drvdata(pci));
1581 pci_set_drvdata(pci, NULL);
1585 static struct pci_device_id azx_ids[] = {
1586 { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
1587 { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
1588 { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
1589 { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
1590 { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
1591 { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
1592 { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
1593 { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 026c */
1594 { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 0371 */
1597 MODULE_DEVICE_TABLE(pci, azx_ids);
1599 /* pci_driver definition */
1600 static struct pci_driver driver = {
1601 .name = "HDA Intel",
1602 .id_table = azx_ids,
1604 .remove = __devexit_p(azx_remove),
1606 .suspend = azx_suspend,
1607 .resume = azx_resume,
1611 static int __init alsa_card_azx_init(void)
1613 return pci_register_driver(&driver);
1616 static void __exit alsa_card_azx_exit(void)
1618 pci_unregister_driver(&driver);
1621 module_init(alsa_card_azx_init)
1622 module_exit(alsa_card_azx_exit)