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},"
90 MODULE_DESCRIPTION("Intel HDA driver");
92 #define SFX "hda-intel: "
97 #define ICH6_REG_GCAP 0x00
98 #define ICH6_REG_VMIN 0x02
99 #define ICH6_REG_VMAJ 0x03
100 #define ICH6_REG_OUTPAY 0x04
101 #define ICH6_REG_INPAY 0x06
102 #define ICH6_REG_GCTL 0x08
103 #define ICH6_REG_WAKEEN 0x0c
104 #define ICH6_REG_STATESTS 0x0e
105 #define ICH6_REG_GSTS 0x10
106 #define ICH6_REG_INTCTL 0x20
107 #define ICH6_REG_INTSTS 0x24
108 #define ICH6_REG_WALCLK 0x30
109 #define ICH6_REG_SYNC 0x34
110 #define ICH6_REG_CORBLBASE 0x40
111 #define ICH6_REG_CORBUBASE 0x44
112 #define ICH6_REG_CORBWP 0x48
113 #define ICH6_REG_CORBRP 0x4A
114 #define ICH6_REG_CORBCTL 0x4c
115 #define ICH6_REG_CORBSTS 0x4d
116 #define ICH6_REG_CORBSIZE 0x4e
118 #define ICH6_REG_RIRBLBASE 0x50
119 #define ICH6_REG_RIRBUBASE 0x54
120 #define ICH6_REG_RIRBWP 0x58
121 #define ICH6_REG_RINTCNT 0x5a
122 #define ICH6_REG_RIRBCTL 0x5c
123 #define ICH6_REG_RIRBSTS 0x5d
124 #define ICH6_REG_RIRBSIZE 0x5e
126 #define ICH6_REG_IC 0x60
127 #define ICH6_REG_IR 0x64
128 #define ICH6_REG_IRS 0x68
129 #define ICH6_IRS_VALID (1<<1)
130 #define ICH6_IRS_BUSY (1<<0)
132 #define ICH6_REG_DPLBASE 0x70
133 #define ICH6_REG_DPUBASE 0x74
134 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
136 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
137 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
139 /* stream register offsets from stream base */
140 #define ICH6_REG_SD_CTL 0x00
141 #define ICH6_REG_SD_STS 0x03
142 #define ICH6_REG_SD_LPIB 0x04
143 #define ICH6_REG_SD_CBL 0x08
144 #define ICH6_REG_SD_LVI 0x0c
145 #define ICH6_REG_SD_FIFOW 0x0e
146 #define ICH6_REG_SD_FIFOSIZE 0x10
147 #define ICH6_REG_SD_FORMAT 0x12
148 #define ICH6_REG_SD_BDLPL 0x18
149 #define ICH6_REG_SD_BDLPU 0x1c
152 #define ICH6_PCIREG_TCSEL 0x44
158 /* max number of SDs */
159 /* ICH, ATI and VIA have 4 playback and 4 capture */
160 #define ICH6_CAPTURE_INDEX 0
161 #define ICH6_NUM_CAPTURE 4
162 #define ICH6_PLAYBACK_INDEX 4
163 #define ICH6_NUM_PLAYBACK 4
165 /* ULI has 6 playback and 5 capture */
166 #define ULI_CAPTURE_INDEX 0
167 #define ULI_NUM_CAPTURE 5
168 #define ULI_PLAYBACK_INDEX 5
169 #define ULI_NUM_PLAYBACK 6
171 /* ATI HDMI has 1 playback and 0 capture */
172 #define ATIHDMI_CAPTURE_INDEX 0
173 #define ATIHDMI_NUM_CAPTURE 0
174 #define ATIHDMI_PLAYBACK_INDEX 0
175 #define ATIHDMI_NUM_PLAYBACK 1
177 /* this number is statically defined for simplicity */
178 #define MAX_AZX_DEV 16
180 /* max number of fragments - we may use more if allocating more pages for BDL */
181 #define BDL_SIZE PAGE_ALIGN(8192)
182 #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
183 /* max buffer size - no h/w limit, you can increase as you like */
184 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
185 /* max number of PCM devics per card */
186 #define AZX_MAX_AUDIO_PCMS 6
187 #define AZX_MAX_MODEM_PCMS 2
188 #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
190 /* RIRB int mask: overrun[2], response[0] */
191 #define RIRB_INT_RESPONSE 0x01
192 #define RIRB_INT_OVERRUN 0x04
193 #define RIRB_INT_MASK 0x05
195 /* STATESTS int mask: SD2,SD1,SD0 */
196 #define STATESTS_INT_MASK 0x07
197 #define AZX_MAX_CODECS 4
200 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
201 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
202 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
203 #define SD_CTL_STREAM_TAG_SHIFT 20
205 /* SD_CTL and SD_STS */
206 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
207 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
208 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
209 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|SD_INT_COMPLETE)
212 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
214 /* INTCTL and INTSTS */
215 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
216 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
217 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
219 /* GCTL unsolicited response enable bit */
220 #define ICH6_GCTL_UREN (1<<8)
223 #define ICH6_GCTL_RESET (1<<0)
225 /* CORB/RIRB control, read/write pointer */
226 #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */
227 #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */
228 #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */
229 /* below are so far hardcoded - should read registers in future */
230 #define ICH6_MAX_CORB_ENTRIES 256
231 #define ICH6_MAX_RIRB_ENTRIES 256
233 /* position fix mode */
241 /* Defines for ATI HD Audio support in SB450 south bridge */
242 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
243 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
245 /* Defines for Nvidia HDA support */
246 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
247 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
253 u32 *bdl; /* virtual address of the BDL */
254 dma_addr_t bdl_addr; /* physical address of the BDL */
255 volatile u32 *posbuf; /* position buffer pointer */
257 unsigned int bufsize; /* size of the play buffer in bytes */
258 unsigned int fragsize; /* size of each period in bytes */
259 unsigned int frags; /* number for period in the play buffer */
260 unsigned int fifo_size; /* FIFO size */
262 void __iomem *sd_addr; /* stream descriptor pointer */
264 u32 sd_int_sta_mask; /* stream int status mask */
267 struct snd_pcm_substream *substream; /* assigned substream, set in PCM open */
268 unsigned int format_val; /* format value to be set in the controller and the codec */
269 unsigned char stream_tag; /* assigned stream */
270 unsigned char index; /* stream index */
271 /* for sanity check of position buffer */
272 unsigned int period_intr;
274 unsigned int opened: 1;
275 unsigned int running: 1;
280 u32 *buf; /* CORB/RIRB buffer
281 * Each CORB entry is 4byte, RIRB is 8byte
283 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
285 unsigned short rp, wp; /* read/write pointers */
286 int cmds; /* number of pending requests */
287 u32 res; /* last read value */
291 struct snd_card *card;
294 /* chip type specific */
296 int playback_streams;
297 int playback_index_offset;
299 int capture_index_offset;
304 void __iomem *remap_addr;
309 struct mutex open_mutex;
311 /* streams (x num_streams) */
312 struct azx_dev *azx_dev;
315 unsigned int pcm_devs;
316 struct snd_pcm *pcm[AZX_MAX_PCMS];
319 unsigned short codec_mask;
326 /* BDL, CORB/RIRB and position buffers */
327 struct snd_dma_buffer bdl;
328 struct snd_dma_buffer rb;
329 struct snd_dma_buffer posbuf;
333 unsigned int initialized: 1;
334 unsigned int single_cmd: 1;
348 static char *driver_short_names[] __devinitdata = {
349 [AZX_DRIVER_ICH] = "HDA Intel",
350 [AZX_DRIVER_ATI] = "HDA ATI SB",
351 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
352 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
353 [AZX_DRIVER_SIS] = "HDA SIS966",
354 [AZX_DRIVER_ULI] = "HDA ULI M5461",
355 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
359 * macros for easy use
361 #define azx_writel(chip,reg,value) \
362 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
363 #define azx_readl(chip,reg) \
364 readl((chip)->remap_addr + ICH6_REG_##reg)
365 #define azx_writew(chip,reg,value) \
366 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
367 #define azx_readw(chip,reg) \
368 readw((chip)->remap_addr + ICH6_REG_##reg)
369 #define azx_writeb(chip,reg,value) \
370 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
371 #define azx_readb(chip,reg) \
372 readb((chip)->remap_addr + ICH6_REG_##reg)
374 #define azx_sd_writel(dev,reg,value) \
375 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
376 #define azx_sd_readl(dev,reg) \
377 readl((dev)->sd_addr + ICH6_REG_##reg)
378 #define azx_sd_writew(dev,reg,value) \
379 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
380 #define azx_sd_readw(dev,reg) \
381 readw((dev)->sd_addr + ICH6_REG_##reg)
382 #define azx_sd_writeb(dev,reg,value) \
383 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
384 #define azx_sd_readb(dev,reg) \
385 readb((dev)->sd_addr + ICH6_REG_##reg)
387 /* for pcm support */
388 #define get_azx_dev(substream) (substream->runtime->private_data)
390 /* Get the upper 32bit of the given dma_addr_t
391 * Compiler should optimize and eliminate the code if dma_addr_t is 32bit
393 #define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
397 * Interface for HD codec
401 * CORB / RIRB interface
403 static int azx_alloc_cmd_io(struct azx *chip)
407 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
408 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
409 PAGE_SIZE, &chip->rb);
411 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
417 static void azx_init_cmd_io(struct azx *chip)
420 chip->corb.addr = chip->rb.addr;
421 chip->corb.buf = (u32 *)chip->rb.area;
422 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
423 azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
425 /* set the corb size to 256 entries (ULI requires explicitly) */
426 azx_writeb(chip, CORBSIZE, 0x02);
427 /* set the corb write pointer to 0 */
428 azx_writew(chip, CORBWP, 0);
429 /* reset the corb hw read pointer */
430 azx_writew(chip, CORBRP, ICH6_RBRWP_CLR);
431 /* enable corb dma */
432 azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN);
435 chip->rirb.addr = chip->rb.addr + 2048;
436 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
437 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
438 azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
440 /* set the rirb size to 256 entries (ULI requires explicitly) */
441 azx_writeb(chip, RIRBSIZE, 0x02);
442 /* reset the rirb hw write pointer */
443 azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR);
444 /* set N=1, get RIRB response interrupt for new entry */
445 azx_writew(chip, RINTCNT, 1);
446 /* enable rirb dma and response irq */
447 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
448 chip->rirb.rp = chip->rirb.cmds = 0;
451 static void azx_free_cmd_io(struct azx *chip)
453 /* disable ringbuffer DMAs */
454 azx_writeb(chip, RIRBCTL, 0);
455 azx_writeb(chip, CORBCTL, 0);
459 static int azx_corb_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
460 unsigned int verb, unsigned int para)
462 struct azx *chip = codec->bus->private_data;
466 val = (u32)(codec->addr & 0x0f) << 28;
467 val |= (u32)direct << 27;
468 val |= (u32)nid << 20;
472 /* add command to corb */
473 wp = azx_readb(chip, CORBWP);
475 wp %= ICH6_MAX_CORB_ENTRIES;
477 spin_lock_irq(&chip->reg_lock);
479 chip->corb.buf[wp] = cpu_to_le32(val);
480 azx_writel(chip, CORBWP, wp);
481 spin_unlock_irq(&chip->reg_lock);
486 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
488 /* retrieve RIRB entry - called from interrupt handler */
489 static void azx_update_rirb(struct azx *chip)
494 wp = azx_readb(chip, RIRBWP);
495 if (wp == chip->rirb.wp)
499 while (chip->rirb.rp != wp) {
501 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
503 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
504 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
505 res = le32_to_cpu(chip->rirb.buf[rp]);
506 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
507 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
508 else if (chip->rirb.cmds) {
510 chip->rirb.res = res;
515 /* receive a response */
516 static unsigned int azx_rirb_get_response(struct hda_codec *codec)
518 struct azx *chip = codec->bus->private_data;
521 while (chip->rirb.cmds) {
524 "hda_intel: azx_get_response timeout, "
525 "switching to single_cmd mode...\n");
526 chip->rirb.rp = azx_readb(chip, RIRBWP);
528 /* switch to single_cmd mode */
529 chip->single_cmd = 1;
530 azx_free_cmd_io(chip);
535 return chip->rirb.res; /* the last value */
539 * Use the single immediate command instead of CORB/RIRB for simplicity
541 * Note: according to Intel, this is not preferred use. The command was
542 * intended for the BIOS only, and may get confused with unsolicited
543 * responses. So, we shouldn't use it for normal operation from the
545 * I left the codes, however, for debugging/testing purposes.
549 static int azx_single_send_cmd(struct hda_codec *codec, hda_nid_t nid,
550 int direct, unsigned int verb,
553 struct azx *chip = codec->bus->private_data;
557 val = (u32)(codec->addr & 0x0f) << 28;
558 val |= (u32)direct << 27;
559 val |= (u32)nid << 20;
564 /* check ICB busy bit */
565 if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) {
566 /* Clear IRV valid bit */
567 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_VALID);
568 azx_writel(chip, IC, val);
569 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_BUSY);
574 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n", azx_readw(chip, IRS), val);
578 /* receive a response */
579 static unsigned int azx_single_get_response(struct hda_codec *codec)
581 struct azx *chip = codec->bus->private_data;
585 /* check IRV busy bit */
586 if (azx_readw(chip, IRS) & ICH6_IRS_VALID)
587 return azx_readl(chip, IR);
590 snd_printd(SFX "get_response timeout: IRS=0x%x\n", azx_readw(chip, IRS));
591 return (unsigned int)-1;
595 * The below are the main callbacks from hda_codec.
597 * They are just the skeleton to call sub-callbacks according to the
598 * current setting of chip->single_cmd.
602 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid,
603 int direct, unsigned int verb,
606 struct azx *chip = codec->bus->private_data;
607 if (chip->single_cmd)
608 return azx_single_send_cmd(codec, nid, direct, verb, para);
610 return azx_corb_send_cmd(codec, nid, direct, verb, para);
614 static unsigned int azx_get_response(struct hda_codec *codec)
616 struct azx *chip = codec->bus->private_data;
617 if (chip->single_cmd)
618 return azx_single_get_response(codec);
620 return azx_rirb_get_response(codec);
624 /* reset codec link */
625 static int azx_reset(struct azx *chip)
629 /* reset controller */
630 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
633 while (azx_readb(chip, GCTL) && --count)
636 /* delay for >= 100us for codec PLL to settle per spec
637 * Rev 0.9 section 5.5.1
641 /* Bring controller out of reset */
642 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
645 while (! azx_readb(chip, GCTL) && --count)
648 /* Brent Chartrand said to wait >= 540us for codecs to intialize */
651 /* check to see if controller is ready */
652 if (! azx_readb(chip, GCTL)) {
653 snd_printd("azx_reset: controller not ready!\n");
657 /* Accept unsolicited responses */
658 azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);
661 if (! chip->codec_mask) {
662 chip->codec_mask = azx_readw(chip, STATESTS);
663 snd_printdd("codec_mask = 0x%x\n", chip->codec_mask);
674 /* enable interrupts */
675 static void azx_int_enable(struct azx *chip)
677 /* enable controller CIE and GIE */
678 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
679 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
682 /* disable interrupts */
683 static void azx_int_disable(struct azx *chip)
687 /* disable interrupts in stream descriptor */
688 for (i = 0; i < chip->num_streams; i++) {
689 struct azx_dev *azx_dev = &chip->azx_dev[i];
690 azx_sd_writeb(azx_dev, SD_CTL,
691 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
694 /* disable SIE for all streams */
695 azx_writeb(chip, INTCTL, 0);
697 /* disable controller CIE and GIE */
698 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
699 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
702 /* clear interrupts */
703 static void azx_int_clear(struct azx *chip)
707 /* clear stream status */
708 for (i = 0; i < chip->num_streams; i++) {
709 struct azx_dev *azx_dev = &chip->azx_dev[i];
710 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
714 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
716 /* clear rirb status */
717 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
719 /* clear int status */
720 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
724 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
727 azx_writeb(chip, INTCTL,
728 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
729 /* set DMA start and interrupt mask */
730 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
731 SD_CTL_DMA_START | SD_INT_MASK);
735 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
738 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
739 ~(SD_CTL_DMA_START | SD_INT_MASK));
740 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
742 azx_writeb(chip, INTCTL,
743 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
748 * initialize the chip
750 static void azx_init_chip(struct azx *chip)
754 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
755 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
756 * Ensuring these bits are 0 clears playback static on some HD Audio codecs
758 pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, ®);
759 pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
761 /* reset controller */
764 /* initialize interrupts */
766 azx_int_enable(chip);
768 /* initialize the codec command I/O */
769 if (! chip->single_cmd)
770 azx_init_cmd_io(chip);
772 /* program the position buffer */
773 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
774 azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
776 switch (chip->driver_type) {
778 /* For ATI SB450 azalia HD audio, we need to enable snoop */
779 pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
781 pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
782 (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
784 case AZX_DRIVER_NVIDIA:
785 /* For NVIDIA HDA, enable snoop */
786 pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, ®);
787 pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR,
788 (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS);
797 static irqreturn_t azx_interrupt(int irq, void* dev_id, struct pt_regs *regs)
799 struct azx *chip = dev_id;
800 struct azx_dev *azx_dev;
804 spin_lock(&chip->reg_lock);
806 status = azx_readl(chip, INTSTS);
808 spin_unlock(&chip->reg_lock);
812 for (i = 0; i < chip->num_streams; i++) {
813 azx_dev = &chip->azx_dev[i];
814 if (status & azx_dev->sd_int_sta_mask) {
815 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
816 if (azx_dev->substream && azx_dev->running) {
817 azx_dev->period_intr++;
818 spin_unlock(&chip->reg_lock);
819 snd_pcm_period_elapsed(azx_dev->substream);
820 spin_lock(&chip->reg_lock);
826 status = azx_readb(chip, RIRBSTS);
827 if (status & RIRB_INT_MASK) {
828 if (! chip->single_cmd && (status & RIRB_INT_RESPONSE))
829 azx_update_rirb(chip);
830 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
834 /* clear state status int */
835 if (azx_readb(chip, STATESTS) & 0x04)
836 azx_writeb(chip, STATESTS, 0x04);
838 spin_unlock(&chip->reg_lock);
847 static void azx_setup_periods(struct azx_dev *azx_dev)
849 u32 *bdl = azx_dev->bdl;
850 dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
853 /* reset BDL address */
854 azx_sd_writel(azx_dev, SD_BDLPL, 0);
855 azx_sd_writel(azx_dev, SD_BDLPU, 0);
857 /* program the initial BDL entries */
858 for (idx = 0; idx < azx_dev->frags; idx++) {
859 unsigned int off = idx << 2; /* 4 dword step */
860 dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
861 /* program the address field of the BDL entry */
862 bdl[off] = cpu_to_le32((u32)addr);
863 bdl[off+1] = cpu_to_le32(upper_32bit(addr));
865 /* program the size field of the BDL entry */
866 bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
868 /* program the IOC to enable interrupt when buffer completes */
869 bdl[off+3] = cpu_to_le32(0x01);
874 * set up the SD for streaming
876 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
881 /* make sure the run bit is zero for SD */
882 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & ~SD_CTL_DMA_START);
884 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | SD_CTL_STREAM_RESET);
887 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
890 val &= ~SD_CTL_STREAM_RESET;
891 azx_sd_writeb(azx_dev, SD_CTL, val);
895 /* waiting for hardware to report that the stream is out of reset */
896 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
900 /* program the stream_tag */
901 azx_sd_writel(azx_dev, SD_CTL,
902 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK) |
903 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
905 /* program the length of samples in cyclic buffer */
906 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
908 /* program the stream format */
909 /* this value needs to be the same as the one programmed */
910 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
912 /* program the stream LVI (last valid index) of the BDL */
913 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
915 /* program the BDL address */
916 /* lower BDL address */
917 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
918 /* upper BDL address */
919 azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
921 /* enable the position buffer */
922 if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
923 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
925 /* set the interrupt enable bits in the descriptor control register */
926 azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
933 * Codec initialization
936 static int __devinit azx_codec_create(struct azx *chip, const char *model)
938 struct hda_bus_template bus_temp;
941 memset(&bus_temp, 0, sizeof(bus_temp));
942 bus_temp.private_data = chip;
943 bus_temp.modelname = model;
944 bus_temp.pci = chip->pci;
945 bus_temp.ops.command = azx_send_cmd;
946 bus_temp.ops.get_response = azx_get_response;
948 if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0)
952 for (c = 0; c < AZX_MAX_CODECS; c++) {
953 if ((chip->codec_mask & (1 << c)) & probe_mask) {
954 err = snd_hda_codec_new(chip->bus, c, NULL);
961 snd_printk(KERN_ERR SFX "no codecs initialized\n");
973 /* assign a stream for the PCM */
974 static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
977 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
978 dev = chip->playback_index_offset;
979 nums = chip->playback_streams;
981 dev = chip->capture_index_offset;
982 nums = chip->capture_streams;
984 for (i = 0; i < nums; i++, dev++)
985 if (! chip->azx_dev[dev].opened) {
986 chip->azx_dev[dev].opened = 1;
987 return &chip->azx_dev[dev];
992 /* release the assigned stream */
993 static inline void azx_release_device(struct azx_dev *azx_dev)
998 static struct snd_pcm_hardware azx_pcm_hw = {
999 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1000 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1001 SNDRV_PCM_INFO_MMAP_VALID |
1002 SNDRV_PCM_INFO_PAUSE /*|*/
1003 /*SNDRV_PCM_INFO_RESUME*/),
1004 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1005 .rates = SNDRV_PCM_RATE_48000,
1010 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1011 .period_bytes_min = 128,
1012 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1014 .periods_max = AZX_MAX_FRAG,
1020 struct hda_codec *codec;
1021 struct hda_pcm_stream *hinfo[2];
1024 static int azx_pcm_open(struct snd_pcm_substream *substream)
1026 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1027 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1028 struct azx *chip = apcm->chip;
1029 struct azx_dev *azx_dev;
1030 struct snd_pcm_runtime *runtime = substream->runtime;
1031 unsigned long flags;
1034 mutex_lock(&chip->open_mutex);
1035 azx_dev = azx_assign_device(chip, substream->stream);
1036 if (azx_dev == NULL) {
1037 mutex_unlock(&chip->open_mutex);
1040 runtime->hw = azx_pcm_hw;
1041 runtime->hw.channels_min = hinfo->channels_min;
1042 runtime->hw.channels_max = hinfo->channels_max;
1043 runtime->hw.formats = hinfo->formats;
1044 runtime->hw.rates = hinfo->rates;
1045 snd_pcm_limit_hw_rates(runtime);
1046 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1047 if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) {
1048 azx_release_device(azx_dev);
1049 mutex_unlock(&chip->open_mutex);
1052 spin_lock_irqsave(&chip->reg_lock, flags);
1053 azx_dev->substream = substream;
1054 azx_dev->running = 0;
1055 spin_unlock_irqrestore(&chip->reg_lock, flags);
1057 runtime->private_data = azx_dev;
1058 mutex_unlock(&chip->open_mutex);
1062 static int azx_pcm_close(struct snd_pcm_substream *substream)
1064 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1065 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1066 struct azx *chip = apcm->chip;
1067 struct azx_dev *azx_dev = get_azx_dev(substream);
1068 unsigned long flags;
1070 mutex_lock(&chip->open_mutex);
1071 spin_lock_irqsave(&chip->reg_lock, flags);
1072 azx_dev->substream = NULL;
1073 azx_dev->running = 0;
1074 spin_unlock_irqrestore(&chip->reg_lock, flags);
1075 azx_release_device(azx_dev);
1076 hinfo->ops.close(hinfo, apcm->codec, substream);
1077 mutex_unlock(&chip->open_mutex);
1081 static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
1083 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1086 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1088 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1089 struct azx_dev *azx_dev = get_azx_dev(substream);
1090 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1092 /* reset BDL address */
1093 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1094 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1095 azx_sd_writel(azx_dev, SD_CTL, 0);
1097 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1099 return snd_pcm_lib_free_pages(substream);
1102 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1104 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1105 struct azx *chip = apcm->chip;
1106 struct azx_dev *azx_dev = get_azx_dev(substream);
1107 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1108 struct snd_pcm_runtime *runtime = substream->runtime;
1110 azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
1111 azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
1112 azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
1113 azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
1117 if (! azx_dev->format_val) {
1118 snd_printk(KERN_ERR SFX "invalid format_val, rate=%d, ch=%d, format=%d\n",
1119 runtime->rate, runtime->channels, runtime->format);
1123 snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, format=0x%x\n",
1124 azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
1125 azx_setup_periods(azx_dev);
1126 azx_setup_controller(chip, azx_dev);
1127 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1128 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1130 azx_dev->fifo_size = 0;
1132 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1133 azx_dev->format_val, substream);
1136 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1138 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1139 struct azx_dev *azx_dev = get_azx_dev(substream);
1140 struct azx *chip = apcm->chip;
1143 spin_lock(&chip->reg_lock);
1145 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1146 case SNDRV_PCM_TRIGGER_RESUME:
1147 case SNDRV_PCM_TRIGGER_START:
1148 azx_stream_start(chip, azx_dev);
1149 azx_dev->running = 1;
1151 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1152 case SNDRV_PCM_TRIGGER_SUSPEND:
1153 case SNDRV_PCM_TRIGGER_STOP:
1154 azx_stream_stop(chip, azx_dev);
1155 azx_dev->running = 0;
1160 spin_unlock(&chip->reg_lock);
1161 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
1162 cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
1163 cmd == SNDRV_PCM_TRIGGER_STOP) {
1165 while (azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START && --timeout)
1171 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1173 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1174 struct azx *chip = apcm->chip;
1175 struct azx_dev *azx_dev = get_azx_dev(substream);
1178 if (chip->position_fix == POS_FIX_POSBUF ||
1179 chip->position_fix == POS_FIX_AUTO) {
1180 /* use the position buffer */
1181 pos = *azx_dev->posbuf;
1182 if (chip->position_fix == POS_FIX_AUTO &&
1183 azx_dev->period_intr == 1 && ! pos) {
1185 "hda-intel: Invalid position buffer, "
1186 "using LPIB read method instead.\n");
1187 chip->position_fix = POS_FIX_NONE;
1193 pos = azx_sd_readl(azx_dev, SD_LPIB);
1194 if (chip->position_fix == POS_FIX_FIFO)
1195 pos += azx_dev->fifo_size;
1197 if (pos >= azx_dev->bufsize)
1199 return bytes_to_frames(substream->runtime, pos);
1202 static struct snd_pcm_ops azx_pcm_ops = {
1203 .open = azx_pcm_open,
1204 .close = azx_pcm_close,
1205 .ioctl = snd_pcm_lib_ioctl,
1206 .hw_params = azx_pcm_hw_params,
1207 .hw_free = azx_pcm_hw_free,
1208 .prepare = azx_pcm_prepare,
1209 .trigger = azx_pcm_trigger,
1210 .pointer = azx_pcm_pointer,
1213 static void azx_pcm_free(struct snd_pcm *pcm)
1215 kfree(pcm->private_data);
1218 static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
1219 struct hda_pcm *cpcm, int pcm_dev)
1222 struct snd_pcm *pcm;
1223 struct azx_pcm *apcm;
1225 snd_assert(cpcm->stream[0].substreams || cpcm->stream[1].substreams, return -EINVAL);
1226 snd_assert(cpcm->name, return -EINVAL);
1228 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1229 cpcm->stream[0].substreams, cpcm->stream[1].substreams,
1233 strcpy(pcm->name, cpcm->name);
1234 apcm = kmalloc(sizeof(*apcm), GFP_KERNEL);
1238 apcm->codec = codec;
1239 apcm->hinfo[0] = &cpcm->stream[0];
1240 apcm->hinfo[1] = &cpcm->stream[1];
1241 pcm->private_data = apcm;
1242 pcm->private_free = azx_pcm_free;
1243 if (cpcm->stream[0].substreams)
1244 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
1245 if (cpcm->stream[1].substreams)
1246 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
1247 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1248 snd_dma_pci_data(chip->pci),
1249 1024 * 64, 1024 * 128);
1250 chip->pcm[pcm_dev] = pcm;
1251 chip->pcm_devs = pcm_dev + 1;
1256 static int __devinit azx_pcm_create(struct azx *chip)
1258 struct list_head *p;
1259 struct hda_codec *codec;
1263 if ((err = snd_hda_build_pcms(chip->bus)) < 0)
1266 /* create audio PCMs */
1268 list_for_each(p, &chip->bus->codec_list) {
1269 codec = list_entry(p, struct hda_codec, list);
1270 for (c = 0; c < codec->num_pcms; c++) {
1271 if (codec->pcm_info[c].is_modem)
1272 continue; /* create later */
1273 if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
1274 snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
1277 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1284 /* create modem PCMs */
1285 pcm_dev = AZX_MAX_AUDIO_PCMS;
1286 list_for_each(p, &chip->bus->codec_list) {
1287 codec = list_entry(p, struct hda_codec, list);
1288 for (c = 0; c < codec->num_pcms; c++) {
1289 if (! codec->pcm_info[c].is_modem)
1290 continue; /* already created */
1291 if (pcm_dev >= AZX_MAX_PCMS) {
1292 snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
1295 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1298 chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
1306 * mixer creation - all stuff is implemented in hda module
1308 static int __devinit azx_mixer_create(struct azx *chip)
1310 return snd_hda_build_controls(chip->bus);
1315 * initialize SD streams
1317 static int __devinit azx_init_stream(struct azx *chip)
1321 /* initialize each stream (aka device)
1322 * assign the starting bdl address to each stream (device) and initialize
1324 for (i = 0; i < chip->num_streams; i++) {
1325 unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
1326 struct azx_dev *azx_dev = &chip->azx_dev[i];
1327 azx_dev->bdl = (u32 *)(chip->bdl.area + off);
1328 azx_dev->bdl_addr = chip->bdl.addr + off;
1329 azx_dev->posbuf = (volatile u32 *)(chip->posbuf.area + i * 8);
1330 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
1331 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
1332 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
1333 azx_dev->sd_int_sta_mask = 1 << i;
1334 /* stream tag: must be non-zero and unique */
1336 azx_dev->stream_tag = i + 1;
1347 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
1349 struct snd_card *card = pci_get_drvdata(pci);
1350 struct azx *chip = card->private_data;
1353 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1354 for (i = 0; i < chip->pcm_devs; i++)
1355 snd_pcm_suspend_all(chip->pcm[i]);
1356 snd_hda_suspend(chip->bus, state);
1357 azx_free_cmd_io(chip);
1358 pci_disable_device(pci);
1359 pci_save_state(pci);
1363 static int azx_resume(struct pci_dev *pci)
1365 struct snd_card *card = pci_get_drvdata(pci);
1366 struct azx *chip = card->private_data;
1368 pci_restore_state(pci);
1369 pci_enable_device(pci);
1370 pci_set_master(pci);
1371 azx_init_chip(chip);
1372 snd_hda_resume(chip->bus);
1373 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1376 #endif /* CONFIG_PM */
1382 static int azx_free(struct azx *chip)
1384 if (chip->initialized) {
1387 for (i = 0; i < chip->num_streams; i++)
1388 azx_stream_stop(chip, &chip->azx_dev[i]);
1390 /* disable interrupts */
1391 azx_int_disable(chip);
1392 azx_int_clear(chip);
1394 /* disable CORB/RIRB */
1395 azx_free_cmd_io(chip);
1397 /* disable position buffer */
1398 azx_writel(chip, DPLBASE, 0);
1399 azx_writel(chip, DPUBASE, 0);
1401 /* wait a little for interrupts to finish */
1406 free_irq(chip->irq, (void*)chip);
1407 if (chip->remap_addr)
1408 iounmap(chip->remap_addr);
1411 snd_dma_free_pages(&chip->bdl);
1413 snd_dma_free_pages(&chip->rb);
1414 if (chip->posbuf.area)
1415 snd_dma_free_pages(&chip->posbuf);
1416 pci_release_regions(chip->pci);
1417 pci_disable_device(chip->pci);
1418 kfree(chip->azx_dev);
1424 static int azx_dev_free(struct snd_device *device)
1426 return azx_free(device->device_data);
1432 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
1438 static struct snd_device_ops ops = {
1439 .dev_free = azx_dev_free,
1444 if ((err = pci_enable_device(pci)) < 0)
1447 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1450 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
1451 pci_disable_device(pci);
1455 spin_lock_init(&chip->reg_lock);
1456 mutex_init(&chip->open_mutex);
1460 chip->driver_type = driver_type;
1462 chip->position_fix = position_fix;
1463 chip->single_cmd = single_cmd;
1465 #if BITS_PER_LONG != 64
1466 /* Fix up base address on ULI M5461 */
1467 if (chip->driver_type == AZX_DRIVER_ULI) {
1469 pci_read_config_word(pci, 0x40, &tmp3);
1470 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1471 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1475 if ((err = pci_request_regions(pci, "ICH HD audio")) < 0) {
1477 pci_disable_device(pci);
1481 chip->addr = pci_resource_start(pci,0);
1482 chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
1483 if (chip->remap_addr == NULL) {
1484 snd_printk(KERN_ERR SFX "ioremap error\n");
1489 if (request_irq(pci->irq, azx_interrupt, IRQF_DISABLED|IRQF_SHARED,
1490 "HDA Intel", (void*)chip)) {
1491 snd_printk(KERN_ERR SFX "unable to grab IRQ %d\n", pci->irq);
1495 chip->irq = pci->irq;
1497 pci_set_master(pci);
1498 synchronize_irq(chip->irq);
1500 switch (chip->driver_type) {
1501 case AZX_DRIVER_ULI:
1502 chip->playback_streams = ULI_NUM_PLAYBACK;
1503 chip->capture_streams = ULI_NUM_CAPTURE;
1504 chip->playback_index_offset = ULI_PLAYBACK_INDEX;
1505 chip->capture_index_offset = ULI_CAPTURE_INDEX;
1507 case AZX_DRIVER_ATIHDMI:
1508 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1509 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1510 chip->playback_index_offset = ATIHDMI_PLAYBACK_INDEX;
1511 chip->capture_index_offset = ATIHDMI_CAPTURE_INDEX;
1514 chip->playback_streams = ICH6_NUM_PLAYBACK;
1515 chip->capture_streams = ICH6_NUM_CAPTURE;
1516 chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
1517 chip->capture_index_offset = ICH6_CAPTURE_INDEX;
1520 chip->num_streams = chip->playback_streams + chip->capture_streams;
1521 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL);
1522 if (! chip->azx_dev) {
1523 snd_printk(KERN_ERR "cannot malloc azx_dev\n");
1527 /* allocate memory for the BDL for each stream */
1528 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1529 BDL_SIZE, &chip->bdl)) < 0) {
1530 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
1533 /* allocate memory for the position buffer */
1534 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1535 chip->num_streams * 8, &chip->posbuf)) < 0) {
1536 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
1539 /* allocate CORB/RIRB */
1540 if (! chip->single_cmd)
1541 if ((err = azx_alloc_cmd_io(chip)) < 0)
1544 /* initialize streams */
1545 azx_init_stream(chip);
1547 /* initialize chip */
1548 azx_init_chip(chip);
1550 chip->initialized = 1;
1552 /* codec detection */
1553 if (! chip->codec_mask) {
1554 snd_printk(KERN_ERR SFX "no codecs found!\n");
1559 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) <0) {
1560 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
1564 strcpy(card->driver, "HDA-Intel");
1565 strcpy(card->shortname, driver_short_names[chip->driver_type]);
1566 sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->addr, chip->irq);
1576 static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1578 struct snd_card *card;
1582 card = snd_card_new(index, id, THIS_MODULE, 0);
1584 snd_printk(KERN_ERR SFX "Error creating card!\n");
1588 if ((err = azx_create(card, pci, pci_id->driver_data,
1590 snd_card_free(card);
1593 card->private_data = chip;
1595 /* create codec instances */
1596 if ((err = azx_codec_create(chip, model)) < 0) {
1597 snd_card_free(card);
1601 /* create PCM streams */
1602 if ((err = azx_pcm_create(chip)) < 0) {
1603 snd_card_free(card);
1607 /* create mixer controls */
1608 if ((err = azx_mixer_create(chip)) < 0) {
1609 snd_card_free(card);
1613 snd_card_set_dev(card, &pci->dev);
1615 if ((err = snd_card_register(card)) < 0) {
1616 snd_card_free(card);
1620 pci_set_drvdata(pci, card);
1625 static void __devexit azx_remove(struct pci_dev *pci)
1627 snd_card_free(pci_get_drvdata(pci));
1628 pci_set_drvdata(pci, NULL);
1632 static struct pci_device_id azx_ids[] = {
1633 { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
1634 { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
1635 { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
1636 { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */
1637 { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
1638 { 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */
1639 { 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */
1640 { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
1641 { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
1642 { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
1643 { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 026c */
1644 { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 0371 */
1647 MODULE_DEVICE_TABLE(pci, azx_ids);
1649 /* pci_driver definition */
1650 static struct pci_driver driver = {
1651 .name = "HDA Intel",
1652 .id_table = azx_ids,
1654 .remove = __devexit_p(azx_remove),
1656 .suspend = azx_suspend,
1657 .resume = azx_resume,
1661 static int __init alsa_card_azx_init(void)
1663 return pci_register_driver(&driver);
1666 static void __exit alsa_card_azx_exit(void)
1668 pci_unregister_driver(&driver);
1671 module_init(alsa_card_azx_init)
1672 module_exit(alsa_card_azx_exit)