3 * hda_intel.c - Implementation of primary alsa driver code base
6 * Copyright(c) 2004 Intel Corporation. All rights reserved.
8 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
9 * PeiSen Hou <pshou@realtek.com.tw>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
21 * You should have received a copy of the GNU General Public License along with
22 * this program; if not, write to the Free Software Foundation, Inc., 59
23 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 * Matt Jared matt.jared@intel.com
28 * Andy Kopp andy.kopp@intel.com
29 * Dan Kogan dan.d.kogan@intel.com
33 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou
37 #include <sound/driver.h>
39 #include <linux/delay.h>
40 #include <linux/interrupt.h>
41 #include <linux/kernel.h>
42 #include <linux/module.h>
43 #include <linux/moduleparam.h>
44 #include <linux/init.h>
45 #include <linux/slab.h>
46 #include <linux/pci.h>
47 #include <linux/mutex.h>
48 #include <sound/core.h>
49 #include <sound/initval.h>
50 #include "hda_codec.h"
53 static int index = SNDRV_DEFAULT_IDX1;
54 static char *id = SNDRV_DEFAULT_STR1;
56 static int position_fix;
57 static int probe_mask = -1;
58 static int single_cmd;
59 static int enable_msi;
61 module_param(index, int, 0444);
62 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
63 module_param(id, charp, 0444);
64 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
65 module_param(model, charp, 0444);
66 MODULE_PARM_DESC(model, "Use the given board model.");
67 module_param(position_fix, int, 0444);
68 MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
69 "(0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
70 module_param(probe_mask, int, 0444);
71 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
72 module_param(single_cmd, bool, 0444);
73 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
74 "(for debugging only).");
75 module_param(enable_msi, int, 0);
76 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
78 #ifdef CONFIG_SND_HDA_POWER_SAVE
79 /* power_save option is defined in hda_codec.c */
81 /* reset the HD-audio controller in power save mode.
82 * this may give more power-saving, but will take longer time to
85 static int power_save_controller = 1;
86 module_param(power_save_controller, bool, 0644);
87 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
90 /* just for backward compatibility */
92 module_param(enable, bool, 0444);
94 MODULE_LICENSE("GPL");
95 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
111 MODULE_DESCRIPTION("Intel HDA driver");
113 #define SFX "hda-intel: "
119 #define ICH6_REG_GCAP 0x00
120 #define ICH6_REG_VMIN 0x02
121 #define ICH6_REG_VMAJ 0x03
122 #define ICH6_REG_OUTPAY 0x04
123 #define ICH6_REG_INPAY 0x06
124 #define ICH6_REG_GCTL 0x08
125 #define ICH6_REG_WAKEEN 0x0c
126 #define ICH6_REG_STATESTS 0x0e
127 #define ICH6_REG_GSTS 0x10
128 #define ICH6_REG_INTCTL 0x20
129 #define ICH6_REG_INTSTS 0x24
130 #define ICH6_REG_WALCLK 0x30
131 #define ICH6_REG_SYNC 0x34
132 #define ICH6_REG_CORBLBASE 0x40
133 #define ICH6_REG_CORBUBASE 0x44
134 #define ICH6_REG_CORBWP 0x48
135 #define ICH6_REG_CORBRP 0x4A
136 #define ICH6_REG_CORBCTL 0x4c
137 #define ICH6_REG_CORBSTS 0x4d
138 #define ICH6_REG_CORBSIZE 0x4e
140 #define ICH6_REG_RIRBLBASE 0x50
141 #define ICH6_REG_RIRBUBASE 0x54
142 #define ICH6_REG_RIRBWP 0x58
143 #define ICH6_REG_RINTCNT 0x5a
144 #define ICH6_REG_RIRBCTL 0x5c
145 #define ICH6_REG_RIRBSTS 0x5d
146 #define ICH6_REG_RIRBSIZE 0x5e
148 #define ICH6_REG_IC 0x60
149 #define ICH6_REG_IR 0x64
150 #define ICH6_REG_IRS 0x68
151 #define ICH6_IRS_VALID (1<<1)
152 #define ICH6_IRS_BUSY (1<<0)
154 #define ICH6_REG_DPLBASE 0x70
155 #define ICH6_REG_DPUBASE 0x74
156 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
158 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
159 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
161 /* stream register offsets from stream base */
162 #define ICH6_REG_SD_CTL 0x00
163 #define ICH6_REG_SD_STS 0x03
164 #define ICH6_REG_SD_LPIB 0x04
165 #define ICH6_REG_SD_CBL 0x08
166 #define ICH6_REG_SD_LVI 0x0c
167 #define ICH6_REG_SD_FIFOW 0x0e
168 #define ICH6_REG_SD_FIFOSIZE 0x10
169 #define ICH6_REG_SD_FORMAT 0x12
170 #define ICH6_REG_SD_BDLPL 0x18
171 #define ICH6_REG_SD_BDLPU 0x1c
174 #define ICH6_PCIREG_TCSEL 0x44
180 /* max number of SDs */
181 /* ICH, ATI and VIA have 4 playback and 4 capture */
182 #define ICH6_CAPTURE_INDEX 0
183 #define ICH6_NUM_CAPTURE 4
184 #define ICH6_PLAYBACK_INDEX 4
185 #define ICH6_NUM_PLAYBACK 4
187 /* ULI has 6 playback and 5 capture */
188 #define ULI_CAPTURE_INDEX 0
189 #define ULI_NUM_CAPTURE 5
190 #define ULI_PLAYBACK_INDEX 5
191 #define ULI_NUM_PLAYBACK 6
193 /* ATI HDMI has 1 playback and 0 capture */
194 #define ATIHDMI_CAPTURE_INDEX 0
195 #define ATIHDMI_NUM_CAPTURE 0
196 #define ATIHDMI_PLAYBACK_INDEX 0
197 #define ATIHDMI_NUM_PLAYBACK 1
199 /* this number is statically defined for simplicity */
200 #define MAX_AZX_DEV 16
202 /* max number of fragments - we may use more if allocating more pages for BDL */
203 #define BDL_SIZE PAGE_ALIGN(8192)
204 #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
205 /* max buffer size - no h/w limit, you can increase as you like */
206 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
207 /* max number of PCM devics per card */
208 #define AZX_MAX_AUDIO_PCMS 6
209 #define AZX_MAX_MODEM_PCMS 2
210 #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
212 /* RIRB int mask: overrun[2], response[0] */
213 #define RIRB_INT_RESPONSE 0x01
214 #define RIRB_INT_OVERRUN 0x04
215 #define RIRB_INT_MASK 0x05
217 /* STATESTS int mask: SD2,SD1,SD0 */
218 #define AZX_MAX_CODECS 3
219 #define STATESTS_INT_MASK 0x07
222 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
223 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
224 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
225 #define SD_CTL_STREAM_TAG_SHIFT 20
227 /* SD_CTL and SD_STS */
228 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
229 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
230 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
231 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
235 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
237 /* INTCTL and INTSTS */
238 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
239 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
240 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
242 /* GCTL unsolicited response enable bit */
243 #define ICH6_GCTL_UREN (1<<8)
246 #define ICH6_GCTL_RESET (1<<0)
248 /* CORB/RIRB control, read/write pointer */
249 #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */
250 #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */
251 #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */
252 /* below are so far hardcoded - should read registers in future */
253 #define ICH6_MAX_CORB_ENTRIES 256
254 #define ICH6_MAX_RIRB_ENTRIES 256
256 /* position fix mode */
264 /* Defines for ATI HD Audio support in SB450 south bridge */
265 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
266 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
268 /* Defines for Nvidia HDA support */
269 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
270 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
276 u32 *bdl; /* virtual address of the BDL */
277 dma_addr_t bdl_addr; /* physical address of the BDL */
278 u32 *posbuf; /* position buffer pointer */
280 unsigned int bufsize; /* size of the play buffer in bytes */
281 unsigned int fragsize; /* size of each period in bytes */
282 unsigned int frags; /* number for period in the play buffer */
283 unsigned int fifo_size; /* FIFO size */
285 void __iomem *sd_addr; /* stream descriptor pointer */
287 u32 sd_int_sta_mask; /* stream int status mask */
290 struct snd_pcm_substream *substream; /* assigned substream,
293 unsigned int format_val; /* format value to be set in the
294 * controller and the codec
296 unsigned char stream_tag; /* assigned stream */
297 unsigned char index; /* stream index */
298 /* for sanity check of position buffer */
299 unsigned int period_intr;
301 unsigned int opened :1;
302 unsigned int running :1;
307 u32 *buf; /* CORB/RIRB buffer
308 * Each CORB entry is 4byte, RIRB is 8byte
310 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
312 unsigned short rp, wp; /* read/write pointers */
313 int cmds; /* number of pending requests */
314 u32 res; /* last read value */
318 struct snd_card *card;
321 /* chip type specific */
323 int playback_streams;
324 int playback_index_offset;
326 int capture_index_offset;
331 void __iomem *remap_addr;
336 struct mutex open_mutex;
338 /* streams (x num_streams) */
339 struct azx_dev *azx_dev;
342 unsigned int pcm_devs;
343 struct snd_pcm *pcm[AZX_MAX_PCMS];
346 unsigned short codec_mask;
353 /* BDL, CORB/RIRB and position buffers */
354 struct snd_dma_buffer bdl;
355 struct snd_dma_buffer rb;
356 struct snd_dma_buffer posbuf;
360 unsigned int running :1;
361 unsigned int initialized :1;
362 unsigned int single_cmd :1;
363 unsigned int polling_mode :1;
367 unsigned int last_cmd; /* last issued command (to sync) */
381 static char *driver_short_names[] __devinitdata = {
382 [AZX_DRIVER_ICH] = "HDA Intel",
383 [AZX_DRIVER_ATI] = "HDA ATI SB",
384 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
385 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
386 [AZX_DRIVER_SIS] = "HDA SIS966",
387 [AZX_DRIVER_ULI] = "HDA ULI M5461",
388 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
392 * macros for easy use
394 #define azx_writel(chip,reg,value) \
395 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
396 #define azx_readl(chip,reg) \
397 readl((chip)->remap_addr + ICH6_REG_##reg)
398 #define azx_writew(chip,reg,value) \
399 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
400 #define azx_readw(chip,reg) \
401 readw((chip)->remap_addr + ICH6_REG_##reg)
402 #define azx_writeb(chip,reg,value) \
403 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
404 #define azx_readb(chip,reg) \
405 readb((chip)->remap_addr + ICH6_REG_##reg)
407 #define azx_sd_writel(dev,reg,value) \
408 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
409 #define azx_sd_readl(dev,reg) \
410 readl((dev)->sd_addr + ICH6_REG_##reg)
411 #define azx_sd_writew(dev,reg,value) \
412 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
413 #define azx_sd_readw(dev,reg) \
414 readw((dev)->sd_addr + ICH6_REG_##reg)
415 #define azx_sd_writeb(dev,reg,value) \
416 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
417 #define azx_sd_readb(dev,reg) \
418 readb((dev)->sd_addr + ICH6_REG_##reg)
420 /* for pcm support */
421 #define get_azx_dev(substream) (substream->runtime->private_data)
423 /* Get the upper 32bit of the given dma_addr_t
424 * Compiler should optimize and eliminate the code if dma_addr_t is 32bit
426 #define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
428 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
431 * Interface for HD codec
435 * CORB / RIRB interface
437 static int azx_alloc_cmd_io(struct azx *chip)
441 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
442 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
443 snd_dma_pci_data(chip->pci),
444 PAGE_SIZE, &chip->rb);
446 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
452 static void azx_init_cmd_io(struct azx *chip)
455 chip->corb.addr = chip->rb.addr;
456 chip->corb.buf = (u32 *)chip->rb.area;
457 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
458 azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
460 /* set the corb size to 256 entries (ULI requires explicitly) */
461 azx_writeb(chip, CORBSIZE, 0x02);
462 /* set the corb write pointer to 0 */
463 azx_writew(chip, CORBWP, 0);
464 /* reset the corb hw read pointer */
465 azx_writew(chip, CORBRP, ICH6_RBRWP_CLR);
466 /* enable corb dma */
467 azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN);
470 chip->rirb.addr = chip->rb.addr + 2048;
471 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
472 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
473 azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
475 /* set the rirb size to 256 entries (ULI requires explicitly) */
476 azx_writeb(chip, RIRBSIZE, 0x02);
477 /* reset the rirb hw write pointer */
478 azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR);
479 /* set N=1, get RIRB response interrupt for new entry */
480 azx_writew(chip, RINTCNT, 1);
481 /* enable rirb dma and response irq */
482 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
483 chip->rirb.rp = chip->rirb.cmds = 0;
486 static void azx_free_cmd_io(struct azx *chip)
488 /* disable ringbuffer DMAs */
489 azx_writeb(chip, RIRBCTL, 0);
490 azx_writeb(chip, CORBCTL, 0);
494 static int azx_corb_send_cmd(struct hda_codec *codec, u32 val)
496 struct azx *chip = codec->bus->private_data;
499 /* add command to corb */
500 wp = azx_readb(chip, CORBWP);
502 wp %= ICH6_MAX_CORB_ENTRIES;
504 spin_lock_irq(&chip->reg_lock);
506 chip->corb.buf[wp] = cpu_to_le32(val);
507 azx_writel(chip, CORBWP, wp);
508 spin_unlock_irq(&chip->reg_lock);
513 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
515 /* retrieve RIRB entry - called from interrupt handler */
516 static void azx_update_rirb(struct azx *chip)
521 wp = azx_readb(chip, RIRBWP);
522 if (wp == chip->rirb.wp)
526 while (chip->rirb.rp != wp) {
528 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
530 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
531 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
532 res = le32_to_cpu(chip->rirb.buf[rp]);
533 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
534 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
535 else if (chip->rirb.cmds) {
537 chip->rirb.res = res;
542 /* receive a response */
543 static unsigned int azx_rirb_get_response(struct hda_codec *codec)
545 struct azx *chip = codec->bus->private_data;
546 unsigned long timeout;
549 timeout = jiffies + msecs_to_jiffies(1000);
551 if (chip->polling_mode) {
552 spin_lock_irq(&chip->reg_lock);
553 azx_update_rirb(chip);
554 spin_unlock_irq(&chip->reg_lock);
556 if (!chip->rirb.cmds)
557 return chip->rirb.res; /* the last value */
560 } while (time_after_eq(timeout, jiffies));
563 snd_printk(KERN_WARNING "hda_intel: No response from codec, "
564 "disabling MSI: last cmd=0x%08x\n", chip->last_cmd);
565 free_irq(chip->irq, chip);
567 pci_disable_msi(chip->pci);
569 if (azx_acquire_irq(chip, 1) < 0)
574 if (!chip->polling_mode) {
575 snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, "
576 "switching to polling mode: last cmd=0x%08x\n",
578 chip->polling_mode = 1;
582 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
583 "switching to single_cmd mode: last cmd=0x%08x\n",
585 chip->rirb.rp = azx_readb(chip, RIRBWP);
587 /* switch to single_cmd mode */
588 chip->single_cmd = 1;
589 azx_free_cmd_io(chip);
594 * Use the single immediate command instead of CORB/RIRB for simplicity
596 * Note: according to Intel, this is not preferred use. The command was
597 * intended for the BIOS only, and may get confused with unsolicited
598 * responses. So, we shouldn't use it for normal operation from the
600 * I left the codes, however, for debugging/testing purposes.
604 static int azx_single_send_cmd(struct hda_codec *codec, u32 val)
606 struct azx *chip = codec->bus->private_data;
610 /* check ICB busy bit */
611 if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
612 /* Clear IRV valid bit */
613 azx_writew(chip, IRS, azx_readw(chip, IRS) |
615 azx_writel(chip, IC, val);
616 azx_writew(chip, IRS, azx_readw(chip, IRS) |
622 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
623 azx_readw(chip, IRS), val);
627 /* receive a response */
628 static unsigned int azx_single_get_response(struct hda_codec *codec)
630 struct azx *chip = codec->bus->private_data;
634 /* check IRV busy bit */
635 if (azx_readw(chip, IRS) & ICH6_IRS_VALID)
636 return azx_readl(chip, IR);
639 snd_printd(SFX "get_response timeout: IRS=0x%x\n",
640 azx_readw(chip, IRS));
641 return (unsigned int)-1;
645 * The below are the main callbacks from hda_codec.
647 * They are just the skeleton to call sub-callbacks according to the
648 * current setting of chip->single_cmd.
652 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid,
653 int direct, unsigned int verb,
656 struct azx *chip = codec->bus->private_data;
659 val = (u32)(codec->addr & 0x0f) << 28;
660 val |= (u32)direct << 27;
661 val |= (u32)nid << 20;
664 chip->last_cmd = val;
666 if (chip->single_cmd)
667 return azx_single_send_cmd(codec, val);
669 return azx_corb_send_cmd(codec, val);
673 static unsigned int azx_get_response(struct hda_codec *codec)
675 struct azx *chip = codec->bus->private_data;
676 if (chip->single_cmd)
677 return azx_single_get_response(codec);
679 return azx_rirb_get_response(codec);
682 #ifdef CONFIG_SND_HDA_POWER_SAVE
683 static void azx_power_notify(struct hda_codec *codec);
686 /* reset codec link */
687 static int azx_reset(struct azx *chip)
692 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
694 /* reset controller */
695 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
698 while (azx_readb(chip, GCTL) && --count)
701 /* delay for >= 100us for codec PLL to settle per spec
702 * Rev 0.9 section 5.5.1
706 /* Bring controller out of reset */
707 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
710 while (!azx_readb(chip, GCTL) && --count)
713 /* Brent Chartrand said to wait >= 540us for codecs to initialize */
716 /* check to see if controller is ready */
717 if (!azx_readb(chip, GCTL)) {
718 snd_printd("azx_reset: controller not ready!\n");
722 /* Accept unsolicited responses */
723 azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);
726 if (!chip->codec_mask) {
727 chip->codec_mask = azx_readw(chip, STATESTS);
728 snd_printdd("codec_mask = 0x%x\n", chip->codec_mask);
739 /* enable interrupts */
740 static void azx_int_enable(struct azx *chip)
742 /* enable controller CIE and GIE */
743 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
744 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
747 /* disable interrupts */
748 static void azx_int_disable(struct azx *chip)
752 /* disable interrupts in stream descriptor */
753 for (i = 0; i < chip->num_streams; i++) {
754 struct azx_dev *azx_dev = &chip->azx_dev[i];
755 azx_sd_writeb(azx_dev, SD_CTL,
756 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
759 /* disable SIE for all streams */
760 azx_writeb(chip, INTCTL, 0);
762 /* disable controller CIE and GIE */
763 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
764 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
767 /* clear interrupts */
768 static void azx_int_clear(struct azx *chip)
772 /* clear stream status */
773 for (i = 0; i < chip->num_streams; i++) {
774 struct azx_dev *azx_dev = &chip->azx_dev[i];
775 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
779 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
781 /* clear rirb status */
782 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
784 /* clear int status */
785 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
789 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
792 azx_writeb(chip, INTCTL,
793 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
794 /* set DMA start and interrupt mask */
795 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
796 SD_CTL_DMA_START | SD_INT_MASK);
800 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
803 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
804 ~(SD_CTL_DMA_START | SD_INT_MASK));
805 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
807 azx_writeb(chip, INTCTL,
808 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
813 * reset and start the controller registers
815 static void azx_init_chip(struct azx *chip)
817 if (chip->initialized)
820 /* reset controller */
823 /* initialize interrupts */
825 azx_int_enable(chip);
827 /* initialize the codec command I/O */
828 if (!chip->single_cmd)
829 azx_init_cmd_io(chip);
831 /* program the position buffer */
832 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
833 azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
835 chip->initialized = 1;
839 * initialize the PCI registers
841 /* update bits in a PCI register byte */
842 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
843 unsigned char mask, unsigned char val)
847 pci_read_config_byte(pci, reg, &data);
849 data |= (val & mask);
850 pci_write_config_byte(pci, reg, data);
853 static void azx_init_pci(struct azx *chip)
855 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
856 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
857 * Ensuring these bits are 0 clears playback static on some HD Audio
860 update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
862 switch (chip->driver_type) {
864 /* For ATI SB450 azalia HD audio, we need to enable snoop */
865 update_pci_byte(chip->pci,
866 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
867 0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
869 case AZX_DRIVER_NVIDIA:
870 /* For NVIDIA HDA, enable snoop */
871 update_pci_byte(chip->pci,
872 NVIDIA_HDA_TRANSREG_ADDR,
873 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
882 static irqreturn_t azx_interrupt(int irq, void *dev_id)
884 struct azx *chip = dev_id;
885 struct azx_dev *azx_dev;
889 spin_lock(&chip->reg_lock);
891 status = azx_readl(chip, INTSTS);
893 spin_unlock(&chip->reg_lock);
897 for (i = 0; i < chip->num_streams; i++) {
898 azx_dev = &chip->azx_dev[i];
899 if (status & azx_dev->sd_int_sta_mask) {
900 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
901 if (azx_dev->substream && azx_dev->running) {
902 azx_dev->period_intr++;
903 spin_unlock(&chip->reg_lock);
904 snd_pcm_period_elapsed(azx_dev->substream);
905 spin_lock(&chip->reg_lock);
911 status = azx_readb(chip, RIRBSTS);
912 if (status & RIRB_INT_MASK) {
913 if (!chip->single_cmd && (status & RIRB_INT_RESPONSE))
914 azx_update_rirb(chip);
915 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
919 /* clear state status int */
920 if (azx_readb(chip, STATESTS) & 0x04)
921 azx_writeb(chip, STATESTS, 0x04);
923 spin_unlock(&chip->reg_lock);
932 static void azx_setup_periods(struct azx_dev *azx_dev)
934 u32 *bdl = azx_dev->bdl;
935 dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
938 /* reset BDL address */
939 azx_sd_writel(azx_dev, SD_BDLPL, 0);
940 azx_sd_writel(azx_dev, SD_BDLPU, 0);
942 /* program the initial BDL entries */
943 for (idx = 0; idx < azx_dev->frags; idx++) {
944 unsigned int off = idx << 2; /* 4 dword step */
945 dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
946 /* program the address field of the BDL entry */
947 bdl[off] = cpu_to_le32((u32)addr);
948 bdl[off+1] = cpu_to_le32(upper_32bit(addr));
950 /* program the size field of the BDL entry */
951 bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
953 /* program the IOC to enable interrupt when buffer completes */
954 bdl[off+3] = cpu_to_le32(0x01);
959 * set up the SD for streaming
961 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
966 /* make sure the run bit is zero for SD */
967 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
970 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
971 SD_CTL_STREAM_RESET);
974 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
977 val &= ~SD_CTL_STREAM_RESET;
978 azx_sd_writeb(azx_dev, SD_CTL, val);
982 /* waiting for hardware to report that the stream is out of reset */
983 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
987 /* program the stream_tag */
988 azx_sd_writel(azx_dev, SD_CTL,
989 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK)|
990 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
992 /* program the length of samples in cyclic buffer */
993 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
995 /* program the stream format */
996 /* this value needs to be the same as the one programmed */
997 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
999 /* program the stream LVI (last valid index) of the BDL */
1000 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
1002 /* program the BDL address */
1003 /* lower BDL address */
1004 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
1005 /* upper BDL address */
1006 azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
1008 /* enable the position buffer */
1009 if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
1010 azx_writel(chip, DPLBASE,
1011 (u32)chip->posbuf.addr |ICH6_DPLBASE_ENABLE);
1013 /* set the interrupt enable bits in the descriptor control register */
1014 azx_sd_writel(azx_dev, SD_CTL,
1015 azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
1022 * Codec initialization
1025 static unsigned int azx_max_codecs[] __devinitdata = {
1026 [AZX_DRIVER_ICH] = 3,
1027 [AZX_DRIVER_ATI] = 4,
1028 [AZX_DRIVER_ATIHDMI] = 4,
1029 [AZX_DRIVER_VIA] = 3, /* FIXME: correct? */
1030 [AZX_DRIVER_SIS] = 3, /* FIXME: correct? */
1031 [AZX_DRIVER_ULI] = 3, /* FIXME: correct? */
1032 [AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */
1035 static int __devinit azx_codec_create(struct azx *chip, const char *model)
1037 struct hda_bus_template bus_temp;
1038 int c, codecs, audio_codecs, err;
1040 memset(&bus_temp, 0, sizeof(bus_temp));
1041 bus_temp.private_data = chip;
1042 bus_temp.modelname = model;
1043 bus_temp.pci = chip->pci;
1044 bus_temp.ops.command = azx_send_cmd;
1045 bus_temp.ops.get_response = azx_get_response;
1046 #ifdef CONFIG_SND_HDA_POWER_SAVE
1047 bus_temp.ops.pm_notify = azx_power_notify;
1050 err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
1054 codecs = audio_codecs = 0;
1055 for (c = 0; c < AZX_MAX_CODECS; c++) {
1056 if ((chip->codec_mask & (1 << c)) & probe_mask) {
1057 struct hda_codec *codec;
1058 err = snd_hda_codec_new(chip->bus, c, &codec);
1066 if (!audio_codecs) {
1067 /* probe additional slots if no codec is found */
1068 for (; c < azx_max_codecs[chip->driver_type]; c++) {
1069 if ((chip->codec_mask & (1 << c)) & probe_mask) {
1070 err = snd_hda_codec_new(chip->bus, c, NULL);
1078 snd_printk(KERN_ERR SFX "no codecs initialized\n");
1090 /* assign a stream for the PCM */
1091 static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
1094 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1095 dev = chip->playback_index_offset;
1096 nums = chip->playback_streams;
1098 dev = chip->capture_index_offset;
1099 nums = chip->capture_streams;
1101 for (i = 0; i < nums; i++, dev++)
1102 if (!chip->azx_dev[dev].opened) {
1103 chip->azx_dev[dev].opened = 1;
1104 return &chip->azx_dev[dev];
1109 /* release the assigned stream */
1110 static inline void azx_release_device(struct azx_dev *azx_dev)
1112 azx_dev->opened = 0;
1115 static struct snd_pcm_hardware azx_pcm_hw = {
1116 .info = (SNDRV_PCM_INFO_MMAP |
1117 SNDRV_PCM_INFO_INTERLEAVED |
1118 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1119 SNDRV_PCM_INFO_MMAP_VALID |
1120 /* No full-resume yet implemented */
1121 /* SNDRV_PCM_INFO_RESUME |*/
1122 SNDRV_PCM_INFO_PAUSE),
1123 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1124 .rates = SNDRV_PCM_RATE_48000,
1129 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1130 .period_bytes_min = 128,
1131 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1133 .periods_max = AZX_MAX_FRAG,
1139 struct hda_codec *codec;
1140 struct hda_pcm_stream *hinfo[2];
1143 static int azx_pcm_open(struct snd_pcm_substream *substream)
1145 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1146 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1147 struct azx *chip = apcm->chip;
1148 struct azx_dev *azx_dev;
1149 struct snd_pcm_runtime *runtime = substream->runtime;
1150 unsigned long flags;
1153 mutex_lock(&chip->open_mutex);
1154 azx_dev = azx_assign_device(chip, substream->stream);
1155 if (azx_dev == NULL) {
1156 mutex_unlock(&chip->open_mutex);
1159 runtime->hw = azx_pcm_hw;
1160 runtime->hw.channels_min = hinfo->channels_min;
1161 runtime->hw.channels_max = hinfo->channels_max;
1162 runtime->hw.formats = hinfo->formats;
1163 runtime->hw.rates = hinfo->rates;
1164 snd_pcm_limit_hw_rates(runtime);
1165 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1166 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1168 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1170 snd_hda_power_up(apcm->codec);
1171 err = hinfo->ops.open(hinfo, apcm->codec, substream);
1173 azx_release_device(azx_dev);
1174 snd_hda_power_down(apcm->codec);
1175 mutex_unlock(&chip->open_mutex);
1178 spin_lock_irqsave(&chip->reg_lock, flags);
1179 azx_dev->substream = substream;
1180 azx_dev->running = 0;
1181 spin_unlock_irqrestore(&chip->reg_lock, flags);
1183 runtime->private_data = azx_dev;
1184 mutex_unlock(&chip->open_mutex);
1188 static int azx_pcm_close(struct snd_pcm_substream *substream)
1190 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1191 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1192 struct azx *chip = apcm->chip;
1193 struct azx_dev *azx_dev = get_azx_dev(substream);
1194 unsigned long flags;
1196 mutex_lock(&chip->open_mutex);
1197 spin_lock_irqsave(&chip->reg_lock, flags);
1198 azx_dev->substream = NULL;
1199 azx_dev->running = 0;
1200 spin_unlock_irqrestore(&chip->reg_lock, flags);
1201 azx_release_device(azx_dev);
1202 hinfo->ops.close(hinfo, apcm->codec, substream);
1203 snd_hda_power_down(apcm->codec);
1204 mutex_unlock(&chip->open_mutex);
1208 static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
1209 struct snd_pcm_hw_params *hw_params)
1211 return snd_pcm_lib_malloc_pages(substream,
1212 params_buffer_bytes(hw_params));
1215 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1217 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1218 struct azx_dev *azx_dev = get_azx_dev(substream);
1219 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1221 /* reset BDL address */
1222 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1223 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1224 azx_sd_writel(azx_dev, SD_CTL, 0);
1226 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1228 return snd_pcm_lib_free_pages(substream);
1231 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1233 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1234 struct azx *chip = apcm->chip;
1235 struct azx_dev *azx_dev = get_azx_dev(substream);
1236 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1237 struct snd_pcm_runtime *runtime = substream->runtime;
1239 azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
1240 azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
1241 azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
1242 azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
1246 if (!azx_dev->format_val) {
1247 snd_printk(KERN_ERR SFX
1248 "invalid format_val, rate=%d, ch=%d, format=%d\n",
1249 runtime->rate, runtime->channels, runtime->format);
1253 snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, "
1255 azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
1256 azx_setup_periods(azx_dev);
1257 azx_setup_controller(chip, azx_dev);
1258 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1259 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1261 azx_dev->fifo_size = 0;
1263 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1264 azx_dev->format_val, substream);
1267 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1269 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1270 struct azx_dev *azx_dev = get_azx_dev(substream);
1271 struct azx *chip = apcm->chip;
1274 spin_lock(&chip->reg_lock);
1276 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1277 case SNDRV_PCM_TRIGGER_RESUME:
1278 case SNDRV_PCM_TRIGGER_START:
1279 azx_stream_start(chip, azx_dev);
1280 azx_dev->running = 1;
1282 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1283 case SNDRV_PCM_TRIGGER_SUSPEND:
1284 case SNDRV_PCM_TRIGGER_STOP:
1285 azx_stream_stop(chip, azx_dev);
1286 azx_dev->running = 0;
1291 spin_unlock(&chip->reg_lock);
1292 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
1293 cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
1294 cmd == SNDRV_PCM_TRIGGER_STOP) {
1296 while ((azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START) &&
1303 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1305 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1306 struct azx *chip = apcm->chip;
1307 struct azx_dev *azx_dev = get_azx_dev(substream);
1310 if (chip->position_fix == POS_FIX_POSBUF ||
1311 chip->position_fix == POS_FIX_AUTO) {
1312 /* use the position buffer */
1313 pos = le32_to_cpu(*azx_dev->posbuf);
1314 if (chip->position_fix == POS_FIX_AUTO &&
1315 azx_dev->period_intr == 1 && !pos) {
1317 "hda-intel: Invalid position buffer, "
1318 "using LPIB read method instead.\n");
1319 chip->position_fix = POS_FIX_NONE;
1325 pos = azx_sd_readl(azx_dev, SD_LPIB);
1326 if (chip->position_fix == POS_FIX_FIFO)
1327 pos += azx_dev->fifo_size;
1329 if (pos >= azx_dev->bufsize)
1331 return bytes_to_frames(substream->runtime, pos);
1334 static struct snd_pcm_ops azx_pcm_ops = {
1335 .open = azx_pcm_open,
1336 .close = azx_pcm_close,
1337 .ioctl = snd_pcm_lib_ioctl,
1338 .hw_params = azx_pcm_hw_params,
1339 .hw_free = azx_pcm_hw_free,
1340 .prepare = azx_pcm_prepare,
1341 .trigger = azx_pcm_trigger,
1342 .pointer = azx_pcm_pointer,
1345 static void azx_pcm_free(struct snd_pcm *pcm)
1347 kfree(pcm->private_data);
1350 static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
1351 struct hda_pcm *cpcm, int pcm_dev)
1354 struct snd_pcm *pcm;
1355 struct azx_pcm *apcm;
1357 /* if no substreams are defined for both playback and capture,
1358 * it's just a placeholder. ignore it.
1360 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
1363 snd_assert(cpcm->name, return -EINVAL);
1365 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1366 cpcm->stream[0].substreams,
1367 cpcm->stream[1].substreams,
1371 strcpy(pcm->name, cpcm->name);
1372 apcm = kmalloc(sizeof(*apcm), GFP_KERNEL);
1376 apcm->codec = codec;
1377 apcm->hinfo[0] = &cpcm->stream[0];
1378 apcm->hinfo[1] = &cpcm->stream[1];
1379 pcm->private_data = apcm;
1380 pcm->private_free = azx_pcm_free;
1381 if (cpcm->stream[0].substreams)
1382 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
1383 if (cpcm->stream[1].substreams)
1384 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
1385 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1386 snd_dma_pci_data(chip->pci),
1387 1024 * 64, 1024 * 1024);
1388 chip->pcm[pcm_dev] = pcm;
1389 if (chip->pcm_devs < pcm_dev + 1)
1390 chip->pcm_devs = pcm_dev + 1;
1395 static int __devinit azx_pcm_create(struct azx *chip)
1397 struct hda_codec *codec;
1401 err = snd_hda_build_pcms(chip->bus);
1405 /* create audio PCMs */
1407 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1408 for (c = 0; c < codec->num_pcms; c++) {
1409 if (codec->pcm_info[c].is_modem)
1410 continue; /* create later */
1411 if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
1412 snd_printk(KERN_ERR SFX
1413 "Too many audio PCMs\n");
1416 err = create_codec_pcm(chip, codec,
1417 &codec->pcm_info[c], pcm_dev);
1424 /* create modem PCMs */
1425 pcm_dev = AZX_MAX_AUDIO_PCMS;
1426 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1427 for (c = 0; c < codec->num_pcms; c++) {
1428 if (!codec->pcm_info[c].is_modem)
1429 continue; /* already created */
1430 if (pcm_dev >= AZX_MAX_PCMS) {
1431 snd_printk(KERN_ERR SFX
1432 "Too many modem PCMs\n");
1435 err = create_codec_pcm(chip, codec,
1436 &codec->pcm_info[c], pcm_dev);
1439 chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
1447 * mixer creation - all stuff is implemented in hda module
1449 static int __devinit azx_mixer_create(struct azx *chip)
1451 return snd_hda_build_controls(chip->bus);
1456 * initialize SD streams
1458 static int __devinit azx_init_stream(struct azx *chip)
1462 /* initialize each stream (aka device)
1463 * assign the starting bdl address to each stream (device)
1466 for (i = 0; i < chip->num_streams; i++) {
1467 unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
1468 struct azx_dev *azx_dev = &chip->azx_dev[i];
1469 azx_dev->bdl = (u32 *)(chip->bdl.area + off);
1470 azx_dev->bdl_addr = chip->bdl.addr + off;
1471 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
1472 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
1473 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
1474 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
1475 azx_dev->sd_int_sta_mask = 1 << i;
1476 /* stream tag: must be non-zero and unique */
1478 azx_dev->stream_tag = i + 1;
1484 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
1486 if (request_irq(chip->pci->irq, azx_interrupt,
1487 chip->msi ? 0 : IRQF_SHARED,
1488 "HDA Intel", chip)) {
1489 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
1490 "disabling device\n", chip->pci->irq);
1492 snd_card_disconnect(chip->card);
1495 chip->irq = chip->pci->irq;
1496 pci_intx(chip->pci, !chip->msi);
1501 static void azx_stop_chip(struct azx *chip)
1503 if (!chip->initialized)
1506 /* disable interrupts */
1507 azx_int_disable(chip);
1508 azx_int_clear(chip);
1510 /* disable CORB/RIRB */
1511 azx_free_cmd_io(chip);
1513 /* disable position buffer */
1514 azx_writel(chip, DPLBASE, 0);
1515 azx_writel(chip, DPUBASE, 0);
1517 chip->initialized = 0;
1520 #ifdef CONFIG_SND_HDA_POWER_SAVE
1521 /* power-up/down the controller */
1522 static void azx_power_notify(struct hda_codec *codec)
1524 struct azx *chip = codec->bus->private_data;
1525 struct hda_codec *c;
1528 list_for_each_entry(c, &codec->bus->codec_list, list) {
1535 azx_init_chip(chip);
1536 else if (chip->running && power_save_controller)
1537 azx_stop_chip(chip);
1539 #endif /* CONFIG_SND_HDA_POWER_SAVE */
1545 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
1547 struct snd_card *card = pci_get_drvdata(pci);
1548 struct azx *chip = card->private_data;
1551 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1552 for (i = 0; i < chip->pcm_devs; i++)
1553 snd_pcm_suspend_all(chip->pcm[i]);
1554 if (chip->initialized)
1555 snd_hda_suspend(chip->bus, state);
1556 azx_stop_chip(chip);
1557 if (chip->irq >= 0) {
1558 synchronize_irq(chip->irq);
1559 free_irq(chip->irq, chip);
1563 pci_disable_msi(chip->pci);
1564 pci_disable_device(pci);
1565 pci_save_state(pci);
1566 pci_set_power_state(pci, pci_choose_state(pci, state));
1570 static int azx_resume(struct pci_dev *pci)
1572 struct snd_card *card = pci_get_drvdata(pci);
1573 struct azx *chip = card->private_data;
1575 pci_set_power_state(pci, PCI_D0);
1576 pci_restore_state(pci);
1577 if (pci_enable_device(pci) < 0) {
1578 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
1579 "disabling device\n");
1580 snd_card_disconnect(card);
1583 pci_set_master(pci);
1585 if (pci_enable_msi(pci) < 0)
1587 if (azx_acquire_irq(chip, 1) < 0)
1591 if (snd_hda_codecs_inuse(chip->bus))
1592 azx_init_chip(chip);
1594 snd_hda_resume(chip->bus);
1595 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1598 #endif /* CONFIG_PM */
1604 static int azx_free(struct azx *chip)
1606 if (chip->initialized) {
1608 for (i = 0; i < chip->num_streams; i++)
1609 azx_stream_stop(chip, &chip->azx_dev[i]);
1610 azx_stop_chip(chip);
1613 if (chip->irq >= 0) {
1614 synchronize_irq(chip->irq);
1615 free_irq(chip->irq, (void*)chip);
1618 pci_disable_msi(chip->pci);
1619 if (chip->remap_addr)
1620 iounmap(chip->remap_addr);
1623 snd_dma_free_pages(&chip->bdl);
1625 snd_dma_free_pages(&chip->rb);
1626 if (chip->posbuf.area)
1627 snd_dma_free_pages(&chip->posbuf);
1628 pci_release_regions(chip->pci);
1629 pci_disable_device(chip->pci);
1630 kfree(chip->azx_dev);
1636 static int azx_dev_free(struct snd_device *device)
1638 return azx_free(device->device_data);
1642 * white/black-listing for position_fix
1644 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
1645 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_NONE),
1646 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_NONE),
1650 static int __devinit check_position_fix(struct azx *chip, int fix)
1652 const struct snd_pci_quirk *q;
1654 if (fix == POS_FIX_AUTO) {
1655 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1658 "hda_intel: position_fix set to %d "
1659 "for device %04x:%04x\n",
1660 q->value, q->subvendor, q->subdevice);
1668 * black-lists for probe_mask
1670 static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
1671 /* Thinkpad often breaks the controller communication when accessing
1672 * to the non-working (or non-existing) modem codec slot.
1674 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1675 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1676 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1680 static void __devinit check_probe_mask(struct azx *chip)
1682 const struct snd_pci_quirk *q;
1684 if (probe_mask == -1) {
1685 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1688 "hda_intel: probe_mask set to 0x%x "
1689 "for device %04x:%04x\n",
1690 q->value, q->subvendor, q->subdevice);
1691 probe_mask = q->value;
1700 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
1706 static struct snd_device_ops ops = {
1707 .dev_free = azx_dev_free,
1712 err = pci_enable_device(pci);
1716 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1718 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
1719 pci_disable_device(pci);
1723 spin_lock_init(&chip->reg_lock);
1724 mutex_init(&chip->open_mutex);
1728 chip->driver_type = driver_type;
1729 chip->msi = enable_msi;
1731 chip->position_fix = check_position_fix(chip, position_fix);
1732 check_probe_mask(chip);
1734 chip->single_cmd = single_cmd;
1736 #if BITS_PER_LONG != 64
1737 /* Fix up base address on ULI M5461 */
1738 if (chip->driver_type == AZX_DRIVER_ULI) {
1740 pci_read_config_word(pci, 0x40, &tmp3);
1741 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1742 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1746 err = pci_request_regions(pci, "ICH HD audio");
1749 pci_disable_device(pci);
1753 chip->addr = pci_resource_start(pci, 0);
1754 chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
1755 if (chip->remap_addr == NULL) {
1756 snd_printk(KERN_ERR SFX "ioremap error\n");
1762 if (pci_enable_msi(pci) < 0)
1765 if (azx_acquire_irq(chip, 0) < 0) {
1770 pci_set_master(pci);
1771 synchronize_irq(chip->irq);
1773 switch (chip->driver_type) {
1774 case AZX_DRIVER_ULI:
1775 chip->playback_streams = ULI_NUM_PLAYBACK;
1776 chip->capture_streams = ULI_NUM_CAPTURE;
1777 chip->playback_index_offset = ULI_PLAYBACK_INDEX;
1778 chip->capture_index_offset = ULI_CAPTURE_INDEX;
1780 case AZX_DRIVER_ATIHDMI:
1781 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1782 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1783 chip->playback_index_offset = ATIHDMI_PLAYBACK_INDEX;
1784 chip->capture_index_offset = ATIHDMI_CAPTURE_INDEX;
1787 chip->playback_streams = ICH6_NUM_PLAYBACK;
1788 chip->capture_streams = ICH6_NUM_CAPTURE;
1789 chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
1790 chip->capture_index_offset = ICH6_CAPTURE_INDEX;
1793 chip->num_streams = chip->playback_streams + chip->capture_streams;
1794 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
1796 if (!chip->azx_dev) {
1797 snd_printk(KERN_ERR "cannot malloc azx_dev\n");
1801 /* allocate memory for the BDL for each stream */
1802 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1803 snd_dma_pci_data(chip->pci),
1804 BDL_SIZE, &chip->bdl);
1806 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
1809 /* allocate memory for the position buffer */
1810 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1811 snd_dma_pci_data(chip->pci),
1812 chip->num_streams * 8, &chip->posbuf);
1814 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
1817 /* allocate CORB/RIRB */
1818 if (!chip->single_cmd) {
1819 err = azx_alloc_cmd_io(chip);
1824 /* initialize streams */
1825 azx_init_stream(chip);
1827 /* initialize chip */
1829 azx_init_chip(chip);
1831 /* codec detection */
1832 if (!chip->codec_mask) {
1833 snd_printk(KERN_ERR SFX "no codecs found!\n");
1838 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1840 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
1844 strcpy(card->driver, "HDA-Intel");
1845 strcpy(card->shortname, driver_short_names[chip->driver_type]);
1846 sprintf(card->longname, "%s at 0x%lx irq %i",
1847 card->shortname, chip->addr, chip->irq);
1857 static void power_down_all_codecs(struct azx *chip)
1859 #ifdef CONFIG_SND_HDA_POWER_SAVE
1860 /* The codecs were powered up in snd_hda_codec_new().
1861 * Now all initialization done, so turn them down if possible
1863 struct hda_codec *codec;
1864 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1865 snd_hda_power_down(codec);
1870 static int __devinit azx_probe(struct pci_dev *pci,
1871 const struct pci_device_id *pci_id)
1873 struct snd_card *card;
1877 card = snd_card_new(index, id, THIS_MODULE, 0);
1879 snd_printk(KERN_ERR SFX "Error creating card!\n");
1883 err = azx_create(card, pci, pci_id->driver_data, &chip);
1885 snd_card_free(card);
1888 card->private_data = chip;
1890 /* create codec instances */
1891 err = azx_codec_create(chip, model);
1893 snd_card_free(card);
1897 /* create PCM streams */
1898 err = azx_pcm_create(chip);
1900 snd_card_free(card);
1904 /* create mixer controls */
1905 err = azx_mixer_create(chip);
1907 snd_card_free(card);
1911 snd_card_set_dev(card, &pci->dev);
1913 err = snd_card_register(card);
1915 snd_card_free(card);
1919 pci_set_drvdata(pci, card);
1921 power_down_all_codecs(chip);
1926 static void __devexit azx_remove(struct pci_dev *pci)
1928 snd_card_free(pci_get_drvdata(pci));
1929 pci_set_drvdata(pci, NULL);
1933 static struct pci_device_id azx_ids[] = {
1934 { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
1935 { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
1936 { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
1937 { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */
1938 { 0x8086, 0x293e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
1939 { 0x8086, 0x293f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
1940 { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
1941 { 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */
1942 { 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */
1943 { 0x1002, 0x7919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS690 HDMI */
1944 { 0x1002, 0x960c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS780 HDMI */
1945 { 0x1002, 0xaa00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI R600 HDMI */
1946 { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
1947 { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
1948 { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
1949 { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP51 */
1950 { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP55 */
1951 { 0x10de, 0x03e4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
1952 { 0x10de, 0x03f0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
1953 { 0x10de, 0x044a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
1954 { 0x10de, 0x044b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
1955 { 0x10de, 0x055c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
1956 { 0x10de, 0x055d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
1957 { 0x10de, 0x07fc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP73 */
1958 { 0x10de, 0x07fd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP73 */
1959 { 0x10de, 0x0774, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1960 { 0x10de, 0x0775, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1961 { 0x10de, 0x0776, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1962 { 0x10de, 0x0777, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1963 { 0x10de, 0x0ac0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1964 { 0x10de, 0x0ac1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1965 { 0x10de, 0x0ac2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1966 { 0x10de, 0x0ac3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1969 MODULE_DEVICE_TABLE(pci, azx_ids);
1971 /* pci_driver definition */
1972 static struct pci_driver driver = {
1973 .name = "HDA Intel",
1974 .id_table = azx_ids,
1976 .remove = __devexit_p(azx_remove),
1978 .suspend = azx_suspend,
1979 .resume = azx_resume,
1983 static int __init alsa_card_azx_init(void)
1985 return pci_register_driver(&driver);
1988 static void __exit alsa_card_azx_exit(void)
1990 pci_unregister_driver(&driver);
1993 module_init(alsa_card_azx_init)
1994 module_exit(alsa_card_azx_exit)