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;
58 static int enable_msi;
60 module_param(index, int, 0444);
61 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
62 module_param(id, charp, 0444);
63 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
64 module_param(model, charp, 0444);
65 MODULE_PARM_DESC(model, "Use the given board model.");
66 module_param(position_fix, int, 0444);
67 MODULE_PARM_DESC(position_fix, "Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
68 module_param(probe_mask, int, 0444);
69 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
70 module_param(single_cmd, bool, 0444);
71 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs (for debugging only).");
72 module_param(enable_msi, int, 0);
73 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
76 /* just for backward compatibility */
78 module_param(enable, bool, 0444);
80 MODULE_LICENSE("GPL");
81 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
95 MODULE_DESCRIPTION("Intel HDA driver");
97 #define SFX "hda-intel: "
102 #define ICH6_REG_GCAP 0x00
103 #define ICH6_REG_VMIN 0x02
104 #define ICH6_REG_VMAJ 0x03
105 #define ICH6_REG_OUTPAY 0x04
106 #define ICH6_REG_INPAY 0x06
107 #define ICH6_REG_GCTL 0x08
108 #define ICH6_REG_WAKEEN 0x0c
109 #define ICH6_REG_STATESTS 0x0e
110 #define ICH6_REG_GSTS 0x10
111 #define ICH6_REG_INTCTL 0x20
112 #define ICH6_REG_INTSTS 0x24
113 #define ICH6_REG_WALCLK 0x30
114 #define ICH6_REG_SYNC 0x34
115 #define ICH6_REG_CORBLBASE 0x40
116 #define ICH6_REG_CORBUBASE 0x44
117 #define ICH6_REG_CORBWP 0x48
118 #define ICH6_REG_CORBRP 0x4A
119 #define ICH6_REG_CORBCTL 0x4c
120 #define ICH6_REG_CORBSTS 0x4d
121 #define ICH6_REG_CORBSIZE 0x4e
123 #define ICH6_REG_RIRBLBASE 0x50
124 #define ICH6_REG_RIRBUBASE 0x54
125 #define ICH6_REG_RIRBWP 0x58
126 #define ICH6_REG_RINTCNT 0x5a
127 #define ICH6_REG_RIRBCTL 0x5c
128 #define ICH6_REG_RIRBSTS 0x5d
129 #define ICH6_REG_RIRBSIZE 0x5e
131 #define ICH6_REG_IC 0x60
132 #define ICH6_REG_IR 0x64
133 #define ICH6_REG_IRS 0x68
134 #define ICH6_IRS_VALID (1<<1)
135 #define ICH6_IRS_BUSY (1<<0)
137 #define ICH6_REG_DPLBASE 0x70
138 #define ICH6_REG_DPUBASE 0x74
139 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
141 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
142 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
144 /* stream register offsets from stream base */
145 #define ICH6_REG_SD_CTL 0x00
146 #define ICH6_REG_SD_STS 0x03
147 #define ICH6_REG_SD_LPIB 0x04
148 #define ICH6_REG_SD_CBL 0x08
149 #define ICH6_REG_SD_LVI 0x0c
150 #define ICH6_REG_SD_FIFOW 0x0e
151 #define ICH6_REG_SD_FIFOSIZE 0x10
152 #define ICH6_REG_SD_FORMAT 0x12
153 #define ICH6_REG_SD_BDLPL 0x18
154 #define ICH6_REG_SD_BDLPU 0x1c
157 #define ICH6_PCIREG_TCSEL 0x44
163 /* max number of SDs */
164 /* ICH, ATI and VIA have 4 playback and 4 capture */
165 #define ICH6_CAPTURE_INDEX 0
166 #define ICH6_NUM_CAPTURE 4
167 #define ICH6_PLAYBACK_INDEX 4
168 #define ICH6_NUM_PLAYBACK 4
170 /* ULI has 6 playback and 5 capture */
171 #define ULI_CAPTURE_INDEX 0
172 #define ULI_NUM_CAPTURE 5
173 #define ULI_PLAYBACK_INDEX 5
174 #define ULI_NUM_PLAYBACK 6
176 /* ATI HDMI has 1 playback and 0 capture */
177 #define ATIHDMI_CAPTURE_INDEX 0
178 #define ATIHDMI_NUM_CAPTURE 0
179 #define ATIHDMI_PLAYBACK_INDEX 0
180 #define ATIHDMI_NUM_PLAYBACK 1
182 /* this number is statically defined for simplicity */
183 #define MAX_AZX_DEV 16
185 /* max number of fragments - we may use more if allocating more pages for BDL */
186 #define BDL_SIZE PAGE_ALIGN(8192)
187 #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
188 /* max buffer size - no h/w limit, you can increase as you like */
189 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
190 /* max number of PCM devics per card */
191 #define AZX_MAX_AUDIO_PCMS 6
192 #define AZX_MAX_MODEM_PCMS 2
193 #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
195 /* RIRB int mask: overrun[2], response[0] */
196 #define RIRB_INT_RESPONSE 0x01
197 #define RIRB_INT_OVERRUN 0x04
198 #define RIRB_INT_MASK 0x05
200 /* STATESTS int mask: SD2,SD1,SD0 */
201 #define STATESTS_INT_MASK 0x07
202 #define AZX_MAX_CODECS 4
205 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
206 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
207 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
208 #define SD_CTL_STREAM_TAG_SHIFT 20
210 /* SD_CTL and SD_STS */
211 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
212 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
213 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
214 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|SD_INT_COMPLETE)
217 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
219 /* INTCTL and INTSTS */
220 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
221 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
222 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
224 /* GCTL unsolicited response enable bit */
225 #define ICH6_GCTL_UREN (1<<8)
228 #define ICH6_GCTL_RESET (1<<0)
230 /* CORB/RIRB control, read/write pointer */
231 #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */
232 #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */
233 #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */
234 /* below are so far hardcoded - should read registers in future */
235 #define ICH6_MAX_CORB_ENTRIES 256
236 #define ICH6_MAX_RIRB_ENTRIES 256
238 /* position fix mode */
246 /* Defines for ATI HD Audio support in SB450 south bridge */
247 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
248 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
250 /* Defines for Nvidia HDA support */
251 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
252 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
258 u32 *bdl; /* virtual address of the BDL */
259 dma_addr_t bdl_addr; /* physical address of the BDL */
260 u32 *posbuf; /* position buffer pointer */
262 unsigned int bufsize; /* size of the play buffer in bytes */
263 unsigned int fragsize; /* size of each period in bytes */
264 unsigned int frags; /* number for period in the play buffer */
265 unsigned int fifo_size; /* FIFO size */
267 void __iomem *sd_addr; /* stream descriptor pointer */
269 u32 sd_int_sta_mask; /* stream int status mask */
272 struct snd_pcm_substream *substream; /* assigned substream, set in PCM open */
273 unsigned int format_val; /* format value to be set in the controller and the codec */
274 unsigned char stream_tag; /* assigned stream */
275 unsigned char index; /* stream index */
276 /* for sanity check of position buffer */
277 unsigned int period_intr;
279 unsigned int opened :1;
280 unsigned int running :1;
285 u32 *buf; /* CORB/RIRB buffer
286 * Each CORB entry is 4byte, RIRB is 8byte
288 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
290 unsigned short rp, wp; /* read/write pointers */
291 int cmds; /* number of pending requests */
292 u32 res; /* last read value */
296 struct snd_card *card;
299 /* chip type specific */
301 int playback_streams;
302 int playback_index_offset;
304 int capture_index_offset;
309 void __iomem *remap_addr;
314 struct mutex open_mutex;
316 /* streams (x num_streams) */
317 struct azx_dev *azx_dev;
320 unsigned int pcm_devs;
321 struct snd_pcm *pcm[AZX_MAX_PCMS];
324 unsigned short codec_mask;
331 /* BDL, CORB/RIRB and position buffers */
332 struct snd_dma_buffer bdl;
333 struct snd_dma_buffer rb;
334 struct snd_dma_buffer posbuf;
338 unsigned int initialized :1;
339 unsigned int single_cmd :1;
340 unsigned int polling_mode :1;
355 static char *driver_short_names[] __devinitdata = {
356 [AZX_DRIVER_ICH] = "HDA Intel",
357 [AZX_DRIVER_ATI] = "HDA ATI SB",
358 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
359 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
360 [AZX_DRIVER_SIS] = "HDA SIS966",
361 [AZX_DRIVER_ULI] = "HDA ULI M5461",
362 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
366 * macros for easy use
368 #define azx_writel(chip,reg,value) \
369 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
370 #define azx_readl(chip,reg) \
371 readl((chip)->remap_addr + ICH6_REG_##reg)
372 #define azx_writew(chip,reg,value) \
373 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
374 #define azx_readw(chip,reg) \
375 readw((chip)->remap_addr + ICH6_REG_##reg)
376 #define azx_writeb(chip,reg,value) \
377 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
378 #define azx_readb(chip,reg) \
379 readb((chip)->remap_addr + ICH6_REG_##reg)
381 #define azx_sd_writel(dev,reg,value) \
382 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
383 #define azx_sd_readl(dev,reg) \
384 readl((dev)->sd_addr + ICH6_REG_##reg)
385 #define azx_sd_writew(dev,reg,value) \
386 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
387 #define azx_sd_readw(dev,reg) \
388 readw((dev)->sd_addr + ICH6_REG_##reg)
389 #define azx_sd_writeb(dev,reg,value) \
390 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
391 #define azx_sd_readb(dev,reg) \
392 readb((dev)->sd_addr + ICH6_REG_##reg)
394 /* for pcm support */
395 #define get_azx_dev(substream) (substream->runtime->private_data)
397 /* Get the upper 32bit of the given dma_addr_t
398 * Compiler should optimize and eliminate the code if dma_addr_t is 32bit
400 #define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
402 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
405 * Interface for HD codec
409 * CORB / RIRB interface
411 static int azx_alloc_cmd_io(struct azx *chip)
415 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
416 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
417 PAGE_SIZE, &chip->rb);
419 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
425 static void azx_init_cmd_io(struct azx *chip)
428 chip->corb.addr = chip->rb.addr;
429 chip->corb.buf = (u32 *)chip->rb.area;
430 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
431 azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
433 /* set the corb size to 256 entries (ULI requires explicitly) */
434 azx_writeb(chip, CORBSIZE, 0x02);
435 /* set the corb write pointer to 0 */
436 azx_writew(chip, CORBWP, 0);
437 /* reset the corb hw read pointer */
438 azx_writew(chip, CORBRP, ICH6_RBRWP_CLR);
439 /* enable corb dma */
440 azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN);
443 chip->rirb.addr = chip->rb.addr + 2048;
444 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
445 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
446 azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
448 /* set the rirb size to 256 entries (ULI requires explicitly) */
449 azx_writeb(chip, RIRBSIZE, 0x02);
450 /* reset the rirb hw write pointer */
451 azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR);
452 /* set N=1, get RIRB response interrupt for new entry */
453 azx_writew(chip, RINTCNT, 1);
454 /* enable rirb dma and response irq */
455 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
456 chip->rirb.rp = chip->rirb.cmds = 0;
459 static void azx_free_cmd_io(struct azx *chip)
461 /* disable ringbuffer DMAs */
462 azx_writeb(chip, RIRBCTL, 0);
463 azx_writeb(chip, CORBCTL, 0);
467 static int azx_corb_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
468 unsigned int verb, unsigned int para)
470 struct azx *chip = codec->bus->private_data;
474 val = (u32)(codec->addr & 0x0f) << 28;
475 val |= (u32)direct << 27;
476 val |= (u32)nid << 20;
480 /* add command to corb */
481 wp = azx_readb(chip, CORBWP);
483 wp %= ICH6_MAX_CORB_ENTRIES;
485 spin_lock_irq(&chip->reg_lock);
487 chip->corb.buf[wp] = cpu_to_le32(val);
488 azx_writel(chip, CORBWP, wp);
489 spin_unlock_irq(&chip->reg_lock);
494 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
496 /* retrieve RIRB entry - called from interrupt handler */
497 static void azx_update_rirb(struct azx *chip)
502 wp = azx_readb(chip, RIRBWP);
503 if (wp == chip->rirb.wp)
507 while (chip->rirb.rp != wp) {
509 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
511 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
512 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
513 res = le32_to_cpu(chip->rirb.buf[rp]);
514 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
515 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
516 else if (chip->rirb.cmds) {
518 chip->rirb.res = res;
523 /* receive a response */
524 static unsigned int azx_rirb_get_response(struct hda_codec *codec)
526 struct azx *chip = codec->bus->private_data;
527 unsigned long timeout;
530 timeout = jiffies + msecs_to_jiffies(1000);
532 if (chip->polling_mode) {
533 spin_lock_irq(&chip->reg_lock);
534 azx_update_rirb(chip);
535 spin_unlock_irq(&chip->reg_lock);
537 if (! chip->rirb.cmds)
538 return chip->rirb.res; /* the last value */
539 schedule_timeout_interruptible(1);
540 } while (time_after_eq(timeout, jiffies));
543 snd_printk(KERN_WARNING "hda_intel: No response from codec, "
544 "disabling MSI...\n");
545 free_irq(chip->irq, chip);
547 pci_disable_msi(chip->pci);
549 if (azx_acquire_irq(chip, 1) < 0)
554 if (!chip->polling_mode) {
555 snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, "
556 "switching to polling mode...\n");
557 chip->polling_mode = 1;
561 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
562 "switching to single_cmd mode...\n");
563 chip->rirb.rp = azx_readb(chip, RIRBWP);
565 /* switch to single_cmd mode */
566 chip->single_cmd = 1;
567 azx_free_cmd_io(chip);
572 * Use the single immediate command instead of CORB/RIRB for simplicity
574 * Note: according to Intel, this is not preferred use. The command was
575 * intended for the BIOS only, and may get confused with unsolicited
576 * responses. So, we shouldn't use it for normal operation from the
578 * I left the codes, however, for debugging/testing purposes.
582 static int azx_single_send_cmd(struct hda_codec *codec, hda_nid_t nid,
583 int direct, unsigned int verb,
586 struct azx *chip = codec->bus->private_data;
590 val = (u32)(codec->addr & 0x0f) << 28;
591 val |= (u32)direct << 27;
592 val |= (u32)nid << 20;
597 /* check ICB busy bit */
598 if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) {
599 /* Clear IRV valid bit */
600 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_VALID);
601 azx_writel(chip, IC, val);
602 azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_BUSY);
607 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n", azx_readw(chip, IRS), val);
611 /* receive a response */
612 static unsigned int azx_single_get_response(struct hda_codec *codec)
614 struct azx *chip = codec->bus->private_data;
618 /* check IRV busy bit */
619 if (azx_readw(chip, IRS) & ICH6_IRS_VALID)
620 return azx_readl(chip, IR);
623 snd_printd(SFX "get_response timeout: IRS=0x%x\n", azx_readw(chip, IRS));
624 return (unsigned int)-1;
628 * The below are the main callbacks from hda_codec.
630 * They are just the skeleton to call sub-callbacks according to the
631 * current setting of chip->single_cmd.
635 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid,
636 int direct, unsigned int verb,
639 struct azx *chip = codec->bus->private_data;
640 if (chip->single_cmd)
641 return azx_single_send_cmd(codec, nid, direct, verb, para);
643 return azx_corb_send_cmd(codec, nid, direct, verb, para);
647 static unsigned int azx_get_response(struct hda_codec *codec)
649 struct azx *chip = codec->bus->private_data;
650 if (chip->single_cmd)
651 return azx_single_get_response(codec);
653 return azx_rirb_get_response(codec);
657 /* reset codec link */
658 static int azx_reset(struct azx *chip)
662 /* reset controller */
663 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
666 while (azx_readb(chip, GCTL) && --count)
669 /* delay for >= 100us for codec PLL to settle per spec
670 * Rev 0.9 section 5.5.1
674 /* Bring controller out of reset */
675 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
678 while (!azx_readb(chip, GCTL) && --count)
681 /* Brent Chartrand said to wait >= 540us for codecs to initialize */
684 /* check to see if controller is ready */
685 if (!azx_readb(chip, GCTL)) {
686 snd_printd("azx_reset: controller not ready!\n");
690 /* Accept unsolicited responses */
691 azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);
694 if (!chip->codec_mask) {
695 chip->codec_mask = azx_readw(chip, STATESTS);
696 snd_printdd("codec_mask = 0x%x\n", chip->codec_mask);
707 /* enable interrupts */
708 static void azx_int_enable(struct azx *chip)
710 /* enable controller CIE and GIE */
711 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
712 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
715 /* disable interrupts */
716 static void azx_int_disable(struct azx *chip)
720 /* disable interrupts in stream descriptor */
721 for (i = 0; i < chip->num_streams; i++) {
722 struct azx_dev *azx_dev = &chip->azx_dev[i];
723 azx_sd_writeb(azx_dev, SD_CTL,
724 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
727 /* disable SIE for all streams */
728 azx_writeb(chip, INTCTL, 0);
730 /* disable controller CIE and GIE */
731 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
732 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
735 /* clear interrupts */
736 static void azx_int_clear(struct azx *chip)
740 /* clear stream status */
741 for (i = 0; i < chip->num_streams; i++) {
742 struct azx_dev *azx_dev = &chip->azx_dev[i];
743 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
747 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
749 /* clear rirb status */
750 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
752 /* clear int status */
753 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
757 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
760 azx_writeb(chip, INTCTL,
761 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
762 /* set DMA start and interrupt mask */
763 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
764 SD_CTL_DMA_START | SD_INT_MASK);
768 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
771 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
772 ~(SD_CTL_DMA_START | SD_INT_MASK));
773 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
775 azx_writeb(chip, INTCTL,
776 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
781 * initialize the chip
783 static void azx_init_chip(struct azx *chip)
787 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
788 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
789 * Ensuring these bits are 0 clears playback static on some HD Audio codecs
791 pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, ®);
792 pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
794 /* reset controller */
797 /* initialize interrupts */
799 azx_int_enable(chip);
801 /* initialize the codec command I/O */
802 if (!chip->single_cmd)
803 azx_init_cmd_io(chip);
805 /* program the position buffer */
806 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
807 azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
809 switch (chip->driver_type) {
811 /* For ATI SB450 azalia HD audio, we need to enable snoop */
812 pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
814 pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
815 (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
817 case AZX_DRIVER_NVIDIA:
818 /* For NVIDIA HDA, enable snoop */
819 pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, ®);
820 pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR,
821 (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS);
830 static irqreturn_t azx_interrupt(int irq, void *dev_id)
832 struct azx *chip = dev_id;
833 struct azx_dev *azx_dev;
837 spin_lock(&chip->reg_lock);
839 status = azx_readl(chip, INTSTS);
841 spin_unlock(&chip->reg_lock);
845 for (i = 0; i < chip->num_streams; i++) {
846 azx_dev = &chip->azx_dev[i];
847 if (status & azx_dev->sd_int_sta_mask) {
848 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
849 if (azx_dev->substream && azx_dev->running) {
850 azx_dev->period_intr++;
851 spin_unlock(&chip->reg_lock);
852 snd_pcm_period_elapsed(azx_dev->substream);
853 spin_lock(&chip->reg_lock);
859 status = azx_readb(chip, RIRBSTS);
860 if (status & RIRB_INT_MASK) {
861 if (! chip->single_cmd && (status & RIRB_INT_RESPONSE))
862 azx_update_rirb(chip);
863 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
867 /* clear state status int */
868 if (azx_readb(chip, STATESTS) & 0x04)
869 azx_writeb(chip, STATESTS, 0x04);
871 spin_unlock(&chip->reg_lock);
880 static void azx_setup_periods(struct azx_dev *azx_dev)
882 u32 *bdl = azx_dev->bdl;
883 dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
886 /* reset BDL address */
887 azx_sd_writel(azx_dev, SD_BDLPL, 0);
888 azx_sd_writel(azx_dev, SD_BDLPU, 0);
890 /* program the initial BDL entries */
891 for (idx = 0; idx < azx_dev->frags; idx++) {
892 unsigned int off = idx << 2; /* 4 dword step */
893 dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
894 /* program the address field of the BDL entry */
895 bdl[off] = cpu_to_le32((u32)addr);
896 bdl[off+1] = cpu_to_le32(upper_32bit(addr));
898 /* program the size field of the BDL entry */
899 bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
901 /* program the IOC to enable interrupt when buffer completes */
902 bdl[off+3] = cpu_to_le32(0x01);
907 * set up the SD for streaming
909 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
914 /* make sure the run bit is zero for SD */
915 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & ~SD_CTL_DMA_START);
917 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | SD_CTL_STREAM_RESET);
920 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
923 val &= ~SD_CTL_STREAM_RESET;
924 azx_sd_writeb(azx_dev, SD_CTL, val);
928 /* waiting for hardware to report that the stream is out of reset */
929 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
933 /* program the stream_tag */
934 azx_sd_writel(azx_dev, SD_CTL,
935 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK) |
936 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
938 /* program the length of samples in cyclic buffer */
939 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
941 /* program the stream format */
942 /* this value needs to be the same as the one programmed */
943 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
945 /* program the stream LVI (last valid index) of the BDL */
946 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
948 /* program the BDL address */
949 /* lower BDL address */
950 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
951 /* upper BDL address */
952 azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
954 /* enable the position buffer */
955 if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
956 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
958 /* set the interrupt enable bits in the descriptor control register */
959 azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
966 * Codec initialization
969 static int __devinit azx_codec_create(struct azx *chip, const char *model)
971 struct hda_bus_template bus_temp;
974 memset(&bus_temp, 0, sizeof(bus_temp));
975 bus_temp.private_data = chip;
976 bus_temp.modelname = model;
977 bus_temp.pci = chip->pci;
978 bus_temp.ops.command = azx_send_cmd;
979 bus_temp.ops.get_response = azx_get_response;
981 if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0)
985 for (c = 0; c < AZX_MAX_CODECS; c++) {
986 if ((chip->codec_mask & (1 << c)) & probe_mask) {
987 err = snd_hda_codec_new(chip->bus, c, NULL);
994 snd_printk(KERN_ERR SFX "no codecs initialized\n");
1006 /* assign a stream for the PCM */
1007 static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
1010 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1011 dev = chip->playback_index_offset;
1012 nums = chip->playback_streams;
1014 dev = chip->capture_index_offset;
1015 nums = chip->capture_streams;
1017 for (i = 0; i < nums; i++, dev++)
1018 if (! chip->azx_dev[dev].opened) {
1019 chip->azx_dev[dev].opened = 1;
1020 return &chip->azx_dev[dev];
1025 /* release the assigned stream */
1026 static inline void azx_release_device(struct azx_dev *azx_dev)
1028 azx_dev->opened = 0;
1031 static struct snd_pcm_hardware azx_pcm_hw = {
1032 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1033 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1034 SNDRV_PCM_INFO_MMAP_VALID |
1035 /* No full-resume yet implemented */
1036 /* SNDRV_PCM_INFO_RESUME |*/
1037 SNDRV_PCM_INFO_PAUSE),
1038 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1039 .rates = SNDRV_PCM_RATE_48000,
1044 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1045 .period_bytes_min = 128,
1046 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1048 .periods_max = AZX_MAX_FRAG,
1054 struct hda_codec *codec;
1055 struct hda_pcm_stream *hinfo[2];
1058 static int azx_pcm_open(struct snd_pcm_substream *substream)
1060 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1061 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1062 struct azx *chip = apcm->chip;
1063 struct azx_dev *azx_dev;
1064 struct snd_pcm_runtime *runtime = substream->runtime;
1065 unsigned long flags;
1068 mutex_lock(&chip->open_mutex);
1069 azx_dev = azx_assign_device(chip, substream->stream);
1070 if (azx_dev == NULL) {
1071 mutex_unlock(&chip->open_mutex);
1074 runtime->hw = azx_pcm_hw;
1075 runtime->hw.channels_min = hinfo->channels_min;
1076 runtime->hw.channels_max = hinfo->channels_max;
1077 runtime->hw.formats = hinfo->formats;
1078 runtime->hw.rates = hinfo->rates;
1079 snd_pcm_limit_hw_rates(runtime);
1080 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1081 if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) {
1082 azx_release_device(azx_dev);
1083 mutex_unlock(&chip->open_mutex);
1086 spin_lock_irqsave(&chip->reg_lock, flags);
1087 azx_dev->substream = substream;
1088 azx_dev->running = 0;
1089 spin_unlock_irqrestore(&chip->reg_lock, flags);
1091 runtime->private_data = azx_dev;
1092 mutex_unlock(&chip->open_mutex);
1096 static int azx_pcm_close(struct snd_pcm_substream *substream)
1098 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1099 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1100 struct azx *chip = apcm->chip;
1101 struct azx_dev *azx_dev = get_azx_dev(substream);
1102 unsigned long flags;
1104 mutex_lock(&chip->open_mutex);
1105 spin_lock_irqsave(&chip->reg_lock, flags);
1106 azx_dev->substream = NULL;
1107 azx_dev->running = 0;
1108 spin_unlock_irqrestore(&chip->reg_lock, flags);
1109 azx_release_device(azx_dev);
1110 hinfo->ops.close(hinfo, apcm->codec, substream);
1111 mutex_unlock(&chip->open_mutex);
1115 static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
1117 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1120 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1122 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1123 struct azx_dev *azx_dev = get_azx_dev(substream);
1124 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1126 /* reset BDL address */
1127 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1128 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1129 azx_sd_writel(azx_dev, SD_CTL, 0);
1131 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1133 return snd_pcm_lib_free_pages(substream);
1136 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1138 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1139 struct azx *chip = apcm->chip;
1140 struct azx_dev *azx_dev = get_azx_dev(substream);
1141 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1142 struct snd_pcm_runtime *runtime = substream->runtime;
1144 azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
1145 azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
1146 azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
1147 azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
1151 if (! azx_dev->format_val) {
1152 snd_printk(KERN_ERR SFX "invalid format_val, rate=%d, ch=%d, format=%d\n",
1153 runtime->rate, runtime->channels, runtime->format);
1157 snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, format=0x%x\n",
1158 azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
1159 azx_setup_periods(azx_dev);
1160 azx_setup_controller(chip, azx_dev);
1161 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1162 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1164 azx_dev->fifo_size = 0;
1166 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1167 azx_dev->format_val, substream);
1170 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1172 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1173 struct azx_dev *azx_dev = get_azx_dev(substream);
1174 struct azx *chip = apcm->chip;
1177 spin_lock(&chip->reg_lock);
1179 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1180 case SNDRV_PCM_TRIGGER_RESUME:
1181 case SNDRV_PCM_TRIGGER_START:
1182 azx_stream_start(chip, azx_dev);
1183 azx_dev->running = 1;
1185 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1186 case SNDRV_PCM_TRIGGER_SUSPEND:
1187 case SNDRV_PCM_TRIGGER_STOP:
1188 azx_stream_stop(chip, azx_dev);
1189 azx_dev->running = 0;
1194 spin_unlock(&chip->reg_lock);
1195 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
1196 cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
1197 cmd == SNDRV_PCM_TRIGGER_STOP) {
1199 while (azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START && --timeout)
1205 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1207 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1208 struct azx *chip = apcm->chip;
1209 struct azx_dev *azx_dev = get_azx_dev(substream);
1212 if (chip->position_fix == POS_FIX_POSBUF ||
1213 chip->position_fix == POS_FIX_AUTO) {
1214 /* use the position buffer */
1215 pos = le32_to_cpu(*azx_dev->posbuf);
1216 if (chip->position_fix == POS_FIX_AUTO &&
1217 azx_dev->period_intr == 1 && ! pos) {
1219 "hda-intel: Invalid position buffer, "
1220 "using LPIB read method instead.\n");
1221 chip->position_fix = POS_FIX_NONE;
1227 pos = azx_sd_readl(azx_dev, SD_LPIB);
1228 if (chip->position_fix == POS_FIX_FIFO)
1229 pos += azx_dev->fifo_size;
1231 if (pos >= azx_dev->bufsize)
1233 return bytes_to_frames(substream->runtime, pos);
1236 static struct snd_pcm_ops azx_pcm_ops = {
1237 .open = azx_pcm_open,
1238 .close = azx_pcm_close,
1239 .ioctl = snd_pcm_lib_ioctl,
1240 .hw_params = azx_pcm_hw_params,
1241 .hw_free = azx_pcm_hw_free,
1242 .prepare = azx_pcm_prepare,
1243 .trigger = azx_pcm_trigger,
1244 .pointer = azx_pcm_pointer,
1247 static void azx_pcm_free(struct snd_pcm *pcm)
1249 kfree(pcm->private_data);
1252 static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
1253 struct hda_pcm *cpcm, int pcm_dev)
1256 struct snd_pcm *pcm;
1257 struct azx_pcm *apcm;
1259 /* if no substreams are defined for both playback and capture,
1260 * it's just a placeholder. ignore it.
1262 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
1265 snd_assert(cpcm->name, return -EINVAL);
1267 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1268 cpcm->stream[0].substreams, cpcm->stream[1].substreams,
1272 strcpy(pcm->name, cpcm->name);
1273 apcm = kmalloc(sizeof(*apcm), GFP_KERNEL);
1277 apcm->codec = codec;
1278 apcm->hinfo[0] = &cpcm->stream[0];
1279 apcm->hinfo[1] = &cpcm->stream[1];
1280 pcm->private_data = apcm;
1281 pcm->private_free = azx_pcm_free;
1282 if (cpcm->stream[0].substreams)
1283 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
1284 if (cpcm->stream[1].substreams)
1285 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
1286 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1287 snd_dma_pci_data(chip->pci),
1288 1024 * 64, 1024 * 128);
1289 chip->pcm[pcm_dev] = pcm;
1290 if (chip->pcm_devs < pcm_dev + 1)
1291 chip->pcm_devs = pcm_dev + 1;
1296 static int __devinit azx_pcm_create(struct azx *chip)
1298 struct list_head *p;
1299 struct hda_codec *codec;
1303 if ((err = snd_hda_build_pcms(chip->bus)) < 0)
1306 /* create audio PCMs */
1308 list_for_each(p, &chip->bus->codec_list) {
1309 codec = list_entry(p, struct hda_codec, list);
1310 for (c = 0; c < codec->num_pcms; c++) {
1311 if (codec->pcm_info[c].is_modem)
1312 continue; /* create later */
1313 if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
1314 snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
1317 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1324 /* create modem PCMs */
1325 pcm_dev = AZX_MAX_AUDIO_PCMS;
1326 list_for_each(p, &chip->bus->codec_list) {
1327 codec = list_entry(p, struct hda_codec, list);
1328 for (c = 0; c < codec->num_pcms; c++) {
1329 if (! codec->pcm_info[c].is_modem)
1330 continue; /* already created */
1331 if (pcm_dev >= AZX_MAX_PCMS) {
1332 snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
1335 err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
1338 chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
1346 * mixer creation - all stuff is implemented in hda module
1348 static int __devinit azx_mixer_create(struct azx *chip)
1350 return snd_hda_build_controls(chip->bus);
1355 * initialize SD streams
1357 static int __devinit azx_init_stream(struct azx *chip)
1361 /* initialize each stream (aka device)
1362 * assign the starting bdl address to each stream (device) and initialize
1364 for (i = 0; i < chip->num_streams; i++) {
1365 unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
1366 struct azx_dev *azx_dev = &chip->azx_dev[i];
1367 azx_dev->bdl = (u32 *)(chip->bdl.area + off);
1368 azx_dev->bdl_addr = chip->bdl.addr + off;
1369 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
1370 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
1371 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
1372 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
1373 azx_dev->sd_int_sta_mask = 1 << i;
1374 /* stream tag: must be non-zero and unique */
1376 azx_dev->stream_tag = i + 1;
1382 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
1384 if (request_irq(chip->pci->irq, azx_interrupt,
1385 chip->msi ? 0 : IRQF_SHARED,
1386 "HDA Intel", chip)) {
1387 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
1388 "disabling device\n", chip->pci->irq);
1390 snd_card_disconnect(chip->card);
1393 chip->irq = chip->pci->irq;
1402 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
1404 struct snd_card *card = pci_get_drvdata(pci);
1405 struct azx *chip = card->private_data;
1408 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1409 for (i = 0; i < chip->pcm_devs; i++)
1410 snd_pcm_suspend_all(chip->pcm[i]);
1411 snd_hda_suspend(chip->bus, state);
1412 azx_free_cmd_io(chip);
1413 if (chip->irq >= 0) {
1414 synchronize_irq(chip->irq);
1415 free_irq(chip->irq, chip);
1419 pci_disable_msi(chip->pci);
1420 pci_disable_device(pci);
1421 pci_save_state(pci);
1422 pci_set_power_state(pci, pci_choose_state(pci, state));
1426 static int azx_resume(struct pci_dev *pci)
1428 struct snd_card *card = pci_get_drvdata(pci);
1429 struct azx *chip = card->private_data;
1431 pci_set_power_state(pci, PCI_D0);
1432 pci_restore_state(pci);
1433 if (pci_enable_device(pci) < 0) {
1434 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
1435 "disabling device\n");
1436 snd_card_disconnect(card);
1439 pci_set_master(pci);
1441 if (pci_enable_msi(pci) < 0)
1443 if (azx_acquire_irq(chip, 1) < 0)
1445 azx_init_chip(chip);
1446 snd_hda_resume(chip->bus);
1447 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1450 #endif /* CONFIG_PM */
1456 static int azx_free(struct azx *chip)
1458 if (chip->initialized) {
1461 for (i = 0; i < chip->num_streams; i++)
1462 azx_stream_stop(chip, &chip->azx_dev[i]);
1464 /* disable interrupts */
1465 azx_int_disable(chip);
1466 azx_int_clear(chip);
1468 /* disable CORB/RIRB */
1469 azx_free_cmd_io(chip);
1471 /* disable position buffer */
1472 azx_writel(chip, DPLBASE, 0);
1473 azx_writel(chip, DPUBASE, 0);
1476 if (chip->irq >= 0) {
1477 synchronize_irq(chip->irq);
1478 free_irq(chip->irq, (void*)chip);
1481 pci_disable_msi(chip->pci);
1482 if (chip->remap_addr)
1483 iounmap(chip->remap_addr);
1486 snd_dma_free_pages(&chip->bdl);
1488 snd_dma_free_pages(&chip->rb);
1489 if (chip->posbuf.area)
1490 snd_dma_free_pages(&chip->posbuf);
1491 pci_release_regions(chip->pci);
1492 pci_disable_device(chip->pci);
1493 kfree(chip->azx_dev);
1499 static int azx_dev_free(struct snd_device *device)
1501 return azx_free(device->device_data);
1507 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
1513 static struct snd_device_ops ops = {
1514 .dev_free = azx_dev_free,
1519 err = pci_enable_device(pci);
1523 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1525 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
1526 pci_disable_device(pci);
1530 spin_lock_init(&chip->reg_lock);
1531 mutex_init(&chip->open_mutex);
1535 chip->driver_type = driver_type;
1536 chip->msi = enable_msi;
1538 chip->position_fix = position_fix;
1539 chip->single_cmd = single_cmd;
1541 #if BITS_PER_LONG != 64
1542 /* Fix up base address on ULI M5461 */
1543 if (chip->driver_type == AZX_DRIVER_ULI) {
1545 pci_read_config_word(pci, 0x40, &tmp3);
1546 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1547 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1551 err = pci_request_regions(pci, "ICH HD audio");
1554 pci_disable_device(pci);
1558 chip->addr = pci_resource_start(pci, 0);
1559 chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
1560 if (chip->remap_addr == NULL) {
1561 snd_printk(KERN_ERR SFX "ioremap error\n");
1567 if (pci_enable_msi(pci) < 0)
1570 if (azx_acquire_irq(chip, 0) < 0) {
1575 pci_set_master(pci);
1576 synchronize_irq(chip->irq);
1578 switch (chip->driver_type) {
1579 case AZX_DRIVER_ULI:
1580 chip->playback_streams = ULI_NUM_PLAYBACK;
1581 chip->capture_streams = ULI_NUM_CAPTURE;
1582 chip->playback_index_offset = ULI_PLAYBACK_INDEX;
1583 chip->capture_index_offset = ULI_CAPTURE_INDEX;
1585 case AZX_DRIVER_ATIHDMI:
1586 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1587 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1588 chip->playback_index_offset = ATIHDMI_PLAYBACK_INDEX;
1589 chip->capture_index_offset = ATIHDMI_CAPTURE_INDEX;
1592 chip->playback_streams = ICH6_NUM_PLAYBACK;
1593 chip->capture_streams = ICH6_NUM_CAPTURE;
1594 chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
1595 chip->capture_index_offset = ICH6_CAPTURE_INDEX;
1598 chip->num_streams = chip->playback_streams + chip->capture_streams;
1599 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL);
1600 if (!chip->azx_dev) {
1601 snd_printk(KERN_ERR "cannot malloc azx_dev\n");
1605 /* allocate memory for the BDL for each stream */
1606 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1607 BDL_SIZE, &chip->bdl)) < 0) {
1608 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
1611 /* allocate memory for the position buffer */
1612 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1613 chip->num_streams * 8, &chip->posbuf)) < 0) {
1614 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
1617 /* allocate CORB/RIRB */
1618 if (! chip->single_cmd)
1619 if ((err = azx_alloc_cmd_io(chip)) < 0)
1622 /* initialize streams */
1623 azx_init_stream(chip);
1625 /* initialize chip */
1626 azx_init_chip(chip);
1628 chip->initialized = 1;
1630 /* codec detection */
1631 if (!chip->codec_mask) {
1632 snd_printk(KERN_ERR SFX "no codecs found!\n");
1637 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) <0) {
1638 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
1642 strcpy(card->driver, "HDA-Intel");
1643 strcpy(card->shortname, driver_short_names[chip->driver_type]);
1644 sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->addr, chip->irq);
1654 static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1656 struct snd_card *card;
1660 card = snd_card_new(index, id, THIS_MODULE, 0);
1662 snd_printk(KERN_ERR SFX "Error creating card!\n");
1666 err = azx_create(card, pci, pci_id->driver_data, &chip);
1668 snd_card_free(card);
1671 card->private_data = chip;
1673 /* create codec instances */
1674 if ((err = azx_codec_create(chip, model)) < 0) {
1675 snd_card_free(card);
1679 /* create PCM streams */
1680 if ((err = azx_pcm_create(chip)) < 0) {
1681 snd_card_free(card);
1685 /* create mixer controls */
1686 if ((err = azx_mixer_create(chip)) < 0) {
1687 snd_card_free(card);
1691 snd_card_set_dev(card, &pci->dev);
1693 if ((err = snd_card_register(card)) < 0) {
1694 snd_card_free(card);
1698 pci_set_drvdata(pci, card);
1703 static void __devexit azx_remove(struct pci_dev *pci)
1705 snd_card_free(pci_get_drvdata(pci));
1706 pci_set_drvdata(pci, NULL);
1710 static struct pci_device_id azx_ids[] = {
1711 { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
1712 { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
1713 { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
1714 { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */
1715 { 0x8086, 0x293e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
1716 { 0x8086, 0x293f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
1717 { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
1718 { 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */
1719 { 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */
1720 { 0x1002, 0x7919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS690 HDMI */
1721 { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
1722 { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
1723 { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
1724 { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP51 */
1725 { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP55 */
1726 { 0x10de, 0x03e4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
1727 { 0x10de, 0x03f0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
1728 { 0x10de, 0x044a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
1729 { 0x10de, 0x044b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
1730 { 0x10de, 0x055c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
1731 { 0x10de, 0x055d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
1734 MODULE_DEVICE_TABLE(pci, azx_ids);
1736 /* pci_driver definition */
1737 static struct pci_driver driver = {
1738 .name = "HDA Intel",
1739 .id_table = azx_ids,
1741 .remove = __devexit_p(azx_remove),
1743 .suspend = azx_suspend,
1744 .resume = azx_resume,
1748 static int __init alsa_card_azx_init(void)
1750 return pci_register_driver(&driver);
1753 static void __exit alsa_card_azx_exit(void)
1755 pci_unregister_driver(&driver);
1758 module_init(alsa_card_azx_init)
1759 module_exit(alsa_card_azx_exit)