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
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_CARDS] = SNDRV_DEFAULT_IDX;
53 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
54 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
55 static char *model[SNDRV_CARDS];
56 static int position_fix[SNDRV_CARDS];
57 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
58 static int single_cmd;
59 static int enable_msi;
61 module_param_array(index, int, NULL, 0444);
62 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
63 module_param_array(id, charp, NULL, 0444);
64 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
65 module_param_array(enable, bool, NULL, 0444);
66 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
67 module_param_array(model, charp, NULL, 0444);
68 MODULE_PARM_DESC(model, "Use the given board model.");
69 module_param_array(position_fix, int, NULL, 0444);
70 MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
71 "(0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
72 module_param_array(probe_mask, int, NULL, 0444);
73 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
74 module_param(single_cmd, bool, 0444);
75 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
76 "(for debugging only).");
77 module_param(enable_msi, int, 0444);
78 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
80 #ifdef CONFIG_SND_HDA_POWER_SAVE
81 /* power_save option is defined in hda_codec.c */
83 /* reset the HD-audio controller in power save mode.
84 * this may give more power-saving, but will take longer time to
87 static int power_save_controller = 1;
88 module_param(power_save_controller, bool, 0644);
89 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
92 MODULE_LICENSE("GPL");
93 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
115 MODULE_DESCRIPTION("Intel HDA driver");
117 #define SFX "hda-intel: "
123 #define ICH6_REG_GCAP 0x00
124 #define ICH6_REG_VMIN 0x02
125 #define ICH6_REG_VMAJ 0x03
126 #define ICH6_REG_OUTPAY 0x04
127 #define ICH6_REG_INPAY 0x06
128 #define ICH6_REG_GCTL 0x08
129 #define ICH6_REG_WAKEEN 0x0c
130 #define ICH6_REG_STATESTS 0x0e
131 #define ICH6_REG_GSTS 0x10
132 #define ICH6_REG_INTCTL 0x20
133 #define ICH6_REG_INTSTS 0x24
134 #define ICH6_REG_WALCLK 0x30
135 #define ICH6_REG_SYNC 0x34
136 #define ICH6_REG_CORBLBASE 0x40
137 #define ICH6_REG_CORBUBASE 0x44
138 #define ICH6_REG_CORBWP 0x48
139 #define ICH6_REG_CORBRP 0x4A
140 #define ICH6_REG_CORBCTL 0x4c
141 #define ICH6_REG_CORBSTS 0x4d
142 #define ICH6_REG_CORBSIZE 0x4e
144 #define ICH6_REG_RIRBLBASE 0x50
145 #define ICH6_REG_RIRBUBASE 0x54
146 #define ICH6_REG_RIRBWP 0x58
147 #define ICH6_REG_RINTCNT 0x5a
148 #define ICH6_REG_RIRBCTL 0x5c
149 #define ICH6_REG_RIRBSTS 0x5d
150 #define ICH6_REG_RIRBSIZE 0x5e
152 #define ICH6_REG_IC 0x60
153 #define ICH6_REG_IR 0x64
154 #define ICH6_REG_IRS 0x68
155 #define ICH6_IRS_VALID (1<<1)
156 #define ICH6_IRS_BUSY (1<<0)
158 #define ICH6_REG_DPLBASE 0x70
159 #define ICH6_REG_DPUBASE 0x74
160 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
162 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
163 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
165 /* stream register offsets from stream base */
166 #define ICH6_REG_SD_CTL 0x00
167 #define ICH6_REG_SD_STS 0x03
168 #define ICH6_REG_SD_LPIB 0x04
169 #define ICH6_REG_SD_CBL 0x08
170 #define ICH6_REG_SD_LVI 0x0c
171 #define ICH6_REG_SD_FIFOW 0x0e
172 #define ICH6_REG_SD_FIFOSIZE 0x10
173 #define ICH6_REG_SD_FORMAT 0x12
174 #define ICH6_REG_SD_BDLPL 0x18
175 #define ICH6_REG_SD_BDLPU 0x1c
178 #define ICH6_PCIREG_TCSEL 0x44
184 /* max number of SDs */
185 /* ICH, ATI and VIA have 4 playback and 4 capture */
186 #define ICH6_CAPTURE_INDEX 0
187 #define ICH6_NUM_CAPTURE 4
188 #define ICH6_PLAYBACK_INDEX 4
189 #define ICH6_NUM_PLAYBACK 4
191 /* ULI has 6 playback and 5 capture */
192 #define ULI_CAPTURE_INDEX 0
193 #define ULI_NUM_CAPTURE 5
194 #define ULI_PLAYBACK_INDEX 5
195 #define ULI_NUM_PLAYBACK 6
197 /* ATI HDMI has 1 playback and 0 capture */
198 #define ATIHDMI_CAPTURE_INDEX 0
199 #define ATIHDMI_NUM_CAPTURE 0
200 #define ATIHDMI_PLAYBACK_INDEX 0
201 #define ATIHDMI_NUM_PLAYBACK 1
203 /* this number is statically defined for simplicity */
204 #define MAX_AZX_DEV 16
206 /* max number of fragments - we may use more if allocating more pages for BDL */
207 #define BDL_SIZE PAGE_ALIGN(8192)
208 #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16))
209 /* max buffer size - no h/w limit, you can increase as you like */
210 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
211 /* max number of PCM devics per card */
212 #define AZX_MAX_AUDIO_PCMS 6
213 #define AZX_MAX_MODEM_PCMS 2
214 #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
216 /* RIRB int mask: overrun[2], response[0] */
217 #define RIRB_INT_RESPONSE 0x01
218 #define RIRB_INT_OVERRUN 0x04
219 #define RIRB_INT_MASK 0x05
221 /* STATESTS int mask: SD2,SD1,SD0 */
222 #define AZX_MAX_CODECS 3
223 #define STATESTS_INT_MASK 0x07
226 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
227 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
228 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
229 #define SD_CTL_STREAM_TAG_SHIFT 20
231 /* SD_CTL and SD_STS */
232 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
233 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
234 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
235 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
239 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
241 /* INTCTL and INTSTS */
242 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
243 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
244 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
246 /* GCTL unsolicited response enable bit */
247 #define ICH6_GCTL_UREN (1<<8)
250 #define ICH6_GCTL_RESET (1<<0)
252 /* CORB/RIRB control, read/write pointer */
253 #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */
254 #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */
255 #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */
256 /* below are so far hardcoded - should read registers in future */
257 #define ICH6_MAX_CORB_ENTRIES 256
258 #define ICH6_MAX_RIRB_ENTRIES 256
260 /* position fix mode */
268 /* Defines for ATI HD Audio support in SB450 south bridge */
269 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
270 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
272 /* Defines for Nvidia HDA support */
273 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
274 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
280 u32 *bdl; /* virtual address of the BDL */
281 dma_addr_t bdl_addr; /* physical address of the BDL */
282 u32 *posbuf; /* position buffer pointer */
284 unsigned int bufsize; /* size of the play buffer in bytes */
285 unsigned int fragsize; /* size of each period in bytes */
286 unsigned int frags; /* number for period in the play buffer */
287 unsigned int fifo_size; /* FIFO size */
289 void __iomem *sd_addr; /* stream descriptor pointer */
291 u32 sd_int_sta_mask; /* stream int status mask */
294 struct snd_pcm_substream *substream; /* assigned substream,
297 unsigned int format_val; /* format value to be set in the
298 * controller and the codec
300 unsigned char stream_tag; /* assigned stream */
301 unsigned char index; /* stream index */
302 /* for sanity check of position buffer */
303 unsigned int period_intr;
305 unsigned int opened :1;
306 unsigned int running :1;
311 u32 *buf; /* CORB/RIRB buffer
312 * Each CORB entry is 4byte, RIRB is 8byte
314 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
316 unsigned short rp, wp; /* read/write pointers */
317 int cmds; /* number of pending requests */
318 u32 res; /* last read value */
322 struct snd_card *card;
325 /* chip type specific */
327 int playback_streams;
328 int playback_index_offset;
330 int capture_index_offset;
335 void __iomem *remap_addr;
340 struct mutex open_mutex;
342 /* streams (x num_streams) */
343 struct azx_dev *azx_dev;
346 unsigned int pcm_devs;
347 struct snd_pcm *pcm[AZX_MAX_PCMS];
350 unsigned short codec_mask;
357 /* BDL, CORB/RIRB and position buffers */
358 struct snd_dma_buffer bdl;
359 struct snd_dma_buffer rb;
360 struct snd_dma_buffer posbuf;
364 unsigned int running :1;
365 unsigned int initialized :1;
366 unsigned int single_cmd :1;
367 unsigned int polling_mode :1;
371 unsigned int last_cmd; /* last issued command (to sync) */
385 static char *driver_short_names[] __devinitdata = {
386 [AZX_DRIVER_ICH] = "HDA Intel",
387 [AZX_DRIVER_ATI] = "HDA ATI SB",
388 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
389 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
390 [AZX_DRIVER_SIS] = "HDA SIS966",
391 [AZX_DRIVER_ULI] = "HDA ULI M5461",
392 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
396 * macros for easy use
398 #define azx_writel(chip,reg,value) \
399 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
400 #define azx_readl(chip,reg) \
401 readl((chip)->remap_addr + ICH6_REG_##reg)
402 #define azx_writew(chip,reg,value) \
403 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
404 #define azx_readw(chip,reg) \
405 readw((chip)->remap_addr + ICH6_REG_##reg)
406 #define azx_writeb(chip,reg,value) \
407 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
408 #define azx_readb(chip,reg) \
409 readb((chip)->remap_addr + ICH6_REG_##reg)
411 #define azx_sd_writel(dev,reg,value) \
412 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
413 #define azx_sd_readl(dev,reg) \
414 readl((dev)->sd_addr + ICH6_REG_##reg)
415 #define azx_sd_writew(dev,reg,value) \
416 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
417 #define azx_sd_readw(dev,reg) \
418 readw((dev)->sd_addr + ICH6_REG_##reg)
419 #define azx_sd_writeb(dev,reg,value) \
420 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
421 #define azx_sd_readb(dev,reg) \
422 readb((dev)->sd_addr + ICH6_REG_##reg)
424 /* for pcm support */
425 #define get_azx_dev(substream) (substream->runtime->private_data)
427 /* Get the upper 32bit of the given dma_addr_t
428 * Compiler should optimize and eliminate the code if dma_addr_t is 32bit
430 #define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
432 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
435 * Interface for HD codec
439 * CORB / RIRB interface
441 static int azx_alloc_cmd_io(struct azx *chip)
445 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
446 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
447 snd_dma_pci_data(chip->pci),
448 PAGE_SIZE, &chip->rb);
450 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
456 static void azx_init_cmd_io(struct azx *chip)
459 chip->corb.addr = chip->rb.addr;
460 chip->corb.buf = (u32 *)chip->rb.area;
461 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
462 azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr));
464 /* set the corb size to 256 entries (ULI requires explicitly) */
465 azx_writeb(chip, CORBSIZE, 0x02);
466 /* set the corb write pointer to 0 */
467 azx_writew(chip, CORBWP, 0);
468 /* reset the corb hw read pointer */
469 azx_writew(chip, CORBRP, ICH6_RBRWP_CLR);
470 /* enable corb dma */
471 azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN);
474 chip->rirb.addr = chip->rb.addr + 2048;
475 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
476 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
477 azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr));
479 /* set the rirb size to 256 entries (ULI requires explicitly) */
480 azx_writeb(chip, RIRBSIZE, 0x02);
481 /* reset the rirb hw write pointer */
482 azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR);
483 /* set N=1, get RIRB response interrupt for new entry */
484 azx_writew(chip, RINTCNT, 1);
485 /* enable rirb dma and response irq */
486 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
487 chip->rirb.rp = chip->rirb.cmds = 0;
490 static void azx_free_cmd_io(struct azx *chip)
492 /* disable ringbuffer DMAs */
493 azx_writeb(chip, RIRBCTL, 0);
494 azx_writeb(chip, CORBCTL, 0);
498 static int azx_corb_send_cmd(struct hda_codec *codec, u32 val)
500 struct azx *chip = codec->bus->private_data;
503 /* add command to corb */
504 wp = azx_readb(chip, CORBWP);
506 wp %= ICH6_MAX_CORB_ENTRIES;
508 spin_lock_irq(&chip->reg_lock);
510 chip->corb.buf[wp] = cpu_to_le32(val);
511 azx_writel(chip, CORBWP, wp);
512 spin_unlock_irq(&chip->reg_lock);
517 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
519 /* retrieve RIRB entry - called from interrupt handler */
520 static void azx_update_rirb(struct azx *chip)
525 wp = azx_readb(chip, RIRBWP);
526 if (wp == chip->rirb.wp)
530 while (chip->rirb.rp != wp) {
532 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
534 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
535 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
536 res = le32_to_cpu(chip->rirb.buf[rp]);
537 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
538 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
539 else if (chip->rirb.cmds) {
541 chip->rirb.res = res;
546 /* receive a response */
547 static unsigned int azx_rirb_get_response(struct hda_codec *codec)
549 struct azx *chip = codec->bus->private_data;
550 unsigned long timeout;
553 timeout = jiffies + msecs_to_jiffies(1000);
555 if (chip->polling_mode) {
556 spin_lock_irq(&chip->reg_lock);
557 azx_update_rirb(chip);
558 spin_unlock_irq(&chip->reg_lock);
560 if (!chip->rirb.cmds)
561 return chip->rirb.res; /* the last value */
564 } while (time_after_eq(timeout, jiffies));
567 snd_printk(KERN_WARNING "hda_intel: No response from codec, "
568 "disabling MSI: last cmd=0x%08x\n", chip->last_cmd);
569 free_irq(chip->irq, chip);
571 pci_disable_msi(chip->pci);
573 if (azx_acquire_irq(chip, 1) < 0)
578 if (!chip->polling_mode) {
579 snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, "
580 "switching to polling mode: last cmd=0x%08x\n",
582 chip->polling_mode = 1;
586 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
587 "switching to single_cmd mode: last cmd=0x%08x\n",
589 chip->rirb.rp = azx_readb(chip, RIRBWP);
591 /* switch to single_cmd mode */
592 chip->single_cmd = 1;
593 azx_free_cmd_io(chip);
598 * Use the single immediate command instead of CORB/RIRB for simplicity
600 * Note: according to Intel, this is not preferred use. The command was
601 * intended for the BIOS only, and may get confused with unsolicited
602 * responses. So, we shouldn't use it for normal operation from the
604 * I left the codes, however, for debugging/testing purposes.
608 static int azx_single_send_cmd(struct hda_codec *codec, u32 val)
610 struct azx *chip = codec->bus->private_data;
614 /* check ICB busy bit */
615 if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
616 /* Clear IRV valid bit */
617 azx_writew(chip, IRS, azx_readw(chip, IRS) |
619 azx_writel(chip, IC, val);
620 azx_writew(chip, IRS, azx_readw(chip, IRS) |
626 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
627 azx_readw(chip, IRS), val);
631 /* receive a response */
632 static unsigned int azx_single_get_response(struct hda_codec *codec)
634 struct azx *chip = codec->bus->private_data;
638 /* check IRV busy bit */
639 if (azx_readw(chip, IRS) & ICH6_IRS_VALID)
640 return azx_readl(chip, IR);
643 snd_printd(SFX "get_response timeout: IRS=0x%x\n",
644 azx_readw(chip, IRS));
645 return (unsigned int)-1;
649 * The below are the main callbacks from hda_codec.
651 * They are just the skeleton to call sub-callbacks according to the
652 * current setting of chip->single_cmd.
656 static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid,
657 int direct, unsigned int verb,
660 struct azx *chip = codec->bus->private_data;
663 val = (u32)(codec->addr & 0x0f) << 28;
664 val |= (u32)direct << 27;
665 val |= (u32)nid << 20;
668 chip->last_cmd = val;
670 if (chip->single_cmd)
671 return azx_single_send_cmd(codec, val);
673 return azx_corb_send_cmd(codec, val);
677 static unsigned int azx_get_response(struct hda_codec *codec)
679 struct azx *chip = codec->bus->private_data;
680 if (chip->single_cmd)
681 return azx_single_get_response(codec);
683 return azx_rirb_get_response(codec);
686 #ifdef CONFIG_SND_HDA_POWER_SAVE
687 static void azx_power_notify(struct hda_codec *codec);
690 /* reset codec link */
691 static int azx_reset(struct azx *chip)
696 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
698 /* reset controller */
699 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
702 while (azx_readb(chip, GCTL) && --count)
705 /* delay for >= 100us for codec PLL to settle per spec
706 * Rev 0.9 section 5.5.1
710 /* Bring controller out of reset */
711 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
714 while (!azx_readb(chip, GCTL) && --count)
717 /* Brent Chartrand said to wait >= 540us for codecs to initialize */
720 /* check to see if controller is ready */
721 if (!azx_readb(chip, GCTL)) {
722 snd_printd("azx_reset: controller not ready!\n");
726 /* Accept unsolicited responses */
727 azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN);
730 if (!chip->codec_mask) {
731 chip->codec_mask = azx_readw(chip, STATESTS);
732 snd_printdd("codec_mask = 0x%x\n", chip->codec_mask);
743 /* enable interrupts */
744 static void azx_int_enable(struct azx *chip)
746 /* enable controller CIE and GIE */
747 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
748 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
751 /* disable interrupts */
752 static void azx_int_disable(struct azx *chip)
756 /* disable interrupts in stream descriptor */
757 for (i = 0; i < chip->num_streams; i++) {
758 struct azx_dev *azx_dev = &chip->azx_dev[i];
759 azx_sd_writeb(azx_dev, SD_CTL,
760 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
763 /* disable SIE for all streams */
764 azx_writeb(chip, INTCTL, 0);
766 /* disable controller CIE and GIE */
767 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
768 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
771 /* clear interrupts */
772 static void azx_int_clear(struct azx *chip)
776 /* clear stream status */
777 for (i = 0; i < chip->num_streams; i++) {
778 struct azx_dev *azx_dev = &chip->azx_dev[i];
779 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
783 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
785 /* clear rirb status */
786 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
788 /* clear int status */
789 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
793 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
796 azx_writeb(chip, INTCTL,
797 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
798 /* set DMA start and interrupt mask */
799 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
800 SD_CTL_DMA_START | SD_INT_MASK);
804 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
807 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
808 ~(SD_CTL_DMA_START | SD_INT_MASK));
809 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
811 azx_writeb(chip, INTCTL,
812 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
817 * reset and start the controller registers
819 static void azx_init_chip(struct azx *chip)
821 if (chip->initialized)
824 /* reset controller */
827 /* initialize interrupts */
829 azx_int_enable(chip);
831 /* initialize the codec command I/O */
832 if (!chip->single_cmd)
833 azx_init_cmd_io(chip);
835 /* program the position buffer */
836 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
837 azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
839 chip->initialized = 1;
843 * initialize the PCI registers
845 /* update bits in a PCI register byte */
846 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
847 unsigned char mask, unsigned char val)
851 pci_read_config_byte(pci, reg, &data);
853 data |= (val & mask);
854 pci_write_config_byte(pci, reg, data);
857 static void azx_init_pci(struct azx *chip)
859 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
860 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
861 * Ensuring these bits are 0 clears playback static on some HD Audio
864 update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
866 switch (chip->driver_type) {
868 /* For ATI SB450 azalia HD audio, we need to enable snoop */
869 update_pci_byte(chip->pci,
870 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
871 0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
873 case AZX_DRIVER_NVIDIA:
874 /* For NVIDIA HDA, enable snoop */
875 update_pci_byte(chip->pci,
876 NVIDIA_HDA_TRANSREG_ADDR,
877 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
886 static irqreturn_t azx_interrupt(int irq, void *dev_id)
888 struct azx *chip = dev_id;
889 struct azx_dev *azx_dev;
893 spin_lock(&chip->reg_lock);
895 status = azx_readl(chip, INTSTS);
897 spin_unlock(&chip->reg_lock);
901 for (i = 0; i < chip->num_streams; i++) {
902 azx_dev = &chip->azx_dev[i];
903 if (status & azx_dev->sd_int_sta_mask) {
904 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
905 if (azx_dev->substream && azx_dev->running) {
906 azx_dev->period_intr++;
907 spin_unlock(&chip->reg_lock);
908 snd_pcm_period_elapsed(azx_dev->substream);
909 spin_lock(&chip->reg_lock);
915 status = azx_readb(chip, RIRBSTS);
916 if (status & RIRB_INT_MASK) {
917 if (!chip->single_cmd && (status & RIRB_INT_RESPONSE))
918 azx_update_rirb(chip);
919 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
923 /* clear state status int */
924 if (azx_readb(chip, STATESTS) & 0x04)
925 azx_writeb(chip, STATESTS, 0x04);
927 spin_unlock(&chip->reg_lock);
936 static void azx_setup_periods(struct azx_dev *azx_dev)
938 u32 *bdl = azx_dev->bdl;
939 dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr;
942 /* reset BDL address */
943 azx_sd_writel(azx_dev, SD_BDLPL, 0);
944 azx_sd_writel(azx_dev, SD_BDLPU, 0);
946 /* program the initial BDL entries */
947 for (idx = 0; idx < azx_dev->frags; idx++) {
948 unsigned int off = idx << 2; /* 4 dword step */
949 dma_addr_t addr = dma_addr + idx * azx_dev->fragsize;
950 /* program the address field of the BDL entry */
951 bdl[off] = cpu_to_le32((u32)addr);
952 bdl[off+1] = cpu_to_le32(upper_32bit(addr));
954 /* program the size field of the BDL entry */
955 bdl[off+2] = cpu_to_le32(azx_dev->fragsize);
957 /* program the IOC to enable interrupt when buffer completes */
958 bdl[off+3] = cpu_to_le32(0x01);
963 * set up the SD for streaming
965 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
970 /* make sure the run bit is zero for SD */
971 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
974 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
975 SD_CTL_STREAM_RESET);
978 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
981 val &= ~SD_CTL_STREAM_RESET;
982 azx_sd_writeb(azx_dev, SD_CTL, val);
986 /* waiting for hardware to report that the stream is out of reset */
987 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
991 /* program the stream_tag */
992 azx_sd_writel(azx_dev, SD_CTL,
993 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK)|
994 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
996 /* program the length of samples in cyclic buffer */
997 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
999 /* program the stream format */
1000 /* this value needs to be the same as the one programmed */
1001 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
1003 /* program the stream LVI (last valid index) of the BDL */
1004 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
1006 /* program the BDL address */
1007 /* lower BDL address */
1008 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr);
1009 /* upper BDL address */
1010 azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
1012 /* enable the position buffer */
1013 if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
1014 azx_writel(chip, DPLBASE,
1015 (u32)chip->posbuf.addr |ICH6_DPLBASE_ENABLE);
1017 /* set the interrupt enable bits in the descriptor control register */
1018 azx_sd_writel(azx_dev, SD_CTL,
1019 azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
1026 * Codec initialization
1029 static unsigned int azx_max_codecs[] __devinitdata = {
1030 [AZX_DRIVER_ICH] = 3,
1031 [AZX_DRIVER_ATI] = 4,
1032 [AZX_DRIVER_ATIHDMI] = 4,
1033 [AZX_DRIVER_VIA] = 3, /* FIXME: correct? */
1034 [AZX_DRIVER_SIS] = 3, /* FIXME: correct? */
1035 [AZX_DRIVER_ULI] = 3, /* FIXME: correct? */
1036 [AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */
1039 static int __devinit azx_codec_create(struct azx *chip, const char *model,
1040 unsigned int codec_probe_mask)
1042 struct hda_bus_template bus_temp;
1043 int c, codecs, audio_codecs, err;
1045 memset(&bus_temp, 0, sizeof(bus_temp));
1046 bus_temp.private_data = chip;
1047 bus_temp.modelname = model;
1048 bus_temp.pci = chip->pci;
1049 bus_temp.ops.command = azx_send_cmd;
1050 bus_temp.ops.get_response = azx_get_response;
1051 #ifdef CONFIG_SND_HDA_POWER_SAVE
1052 bus_temp.ops.pm_notify = azx_power_notify;
1055 err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
1059 codecs = audio_codecs = 0;
1060 for (c = 0; c < AZX_MAX_CODECS; c++) {
1061 if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
1062 struct hda_codec *codec;
1063 err = snd_hda_codec_new(chip->bus, c, &codec);
1071 if (!audio_codecs) {
1072 /* probe additional slots if no codec is found */
1073 for (; c < azx_max_codecs[chip->driver_type]; c++) {
1074 if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
1075 err = snd_hda_codec_new(chip->bus, c, NULL);
1083 snd_printk(KERN_ERR SFX "no codecs initialized\n");
1095 /* assign a stream for the PCM */
1096 static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
1099 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1100 dev = chip->playback_index_offset;
1101 nums = chip->playback_streams;
1103 dev = chip->capture_index_offset;
1104 nums = chip->capture_streams;
1106 for (i = 0; i < nums; i++, dev++)
1107 if (!chip->azx_dev[dev].opened) {
1108 chip->azx_dev[dev].opened = 1;
1109 return &chip->azx_dev[dev];
1114 /* release the assigned stream */
1115 static inline void azx_release_device(struct azx_dev *azx_dev)
1117 azx_dev->opened = 0;
1120 static struct snd_pcm_hardware azx_pcm_hw = {
1121 .info = (SNDRV_PCM_INFO_MMAP |
1122 SNDRV_PCM_INFO_INTERLEAVED |
1123 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1124 SNDRV_PCM_INFO_MMAP_VALID |
1125 /* No full-resume yet implemented */
1126 /* SNDRV_PCM_INFO_RESUME |*/
1127 SNDRV_PCM_INFO_PAUSE),
1128 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1129 .rates = SNDRV_PCM_RATE_48000,
1134 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1135 .period_bytes_min = 128,
1136 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1138 .periods_max = AZX_MAX_FRAG,
1144 struct hda_codec *codec;
1145 struct hda_pcm_stream *hinfo[2];
1148 static int azx_pcm_open(struct snd_pcm_substream *substream)
1150 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1151 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1152 struct azx *chip = apcm->chip;
1153 struct azx_dev *azx_dev;
1154 struct snd_pcm_runtime *runtime = substream->runtime;
1155 unsigned long flags;
1158 mutex_lock(&chip->open_mutex);
1159 azx_dev = azx_assign_device(chip, substream->stream);
1160 if (azx_dev == NULL) {
1161 mutex_unlock(&chip->open_mutex);
1164 runtime->hw = azx_pcm_hw;
1165 runtime->hw.channels_min = hinfo->channels_min;
1166 runtime->hw.channels_max = hinfo->channels_max;
1167 runtime->hw.formats = hinfo->formats;
1168 runtime->hw.rates = hinfo->rates;
1169 snd_pcm_limit_hw_rates(runtime);
1170 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1171 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1173 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1175 snd_hda_power_up(apcm->codec);
1176 err = hinfo->ops.open(hinfo, apcm->codec, substream);
1178 azx_release_device(azx_dev);
1179 snd_hda_power_down(apcm->codec);
1180 mutex_unlock(&chip->open_mutex);
1183 spin_lock_irqsave(&chip->reg_lock, flags);
1184 azx_dev->substream = substream;
1185 azx_dev->running = 0;
1186 spin_unlock_irqrestore(&chip->reg_lock, flags);
1188 runtime->private_data = azx_dev;
1189 mutex_unlock(&chip->open_mutex);
1193 static int azx_pcm_close(struct snd_pcm_substream *substream)
1195 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1196 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1197 struct azx *chip = apcm->chip;
1198 struct azx_dev *azx_dev = get_azx_dev(substream);
1199 unsigned long flags;
1201 mutex_lock(&chip->open_mutex);
1202 spin_lock_irqsave(&chip->reg_lock, flags);
1203 azx_dev->substream = NULL;
1204 azx_dev->running = 0;
1205 spin_unlock_irqrestore(&chip->reg_lock, flags);
1206 azx_release_device(azx_dev);
1207 hinfo->ops.close(hinfo, apcm->codec, substream);
1208 snd_hda_power_down(apcm->codec);
1209 mutex_unlock(&chip->open_mutex);
1213 static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
1214 struct snd_pcm_hw_params *hw_params)
1216 return snd_pcm_lib_malloc_pages(substream,
1217 params_buffer_bytes(hw_params));
1220 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1222 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1223 struct azx_dev *azx_dev = get_azx_dev(substream);
1224 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1226 /* reset BDL address */
1227 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1228 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1229 azx_sd_writel(azx_dev, SD_CTL, 0);
1231 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1233 return snd_pcm_lib_free_pages(substream);
1236 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1238 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1239 struct azx *chip = apcm->chip;
1240 struct azx_dev *azx_dev = get_azx_dev(substream);
1241 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1242 struct snd_pcm_runtime *runtime = substream->runtime;
1244 azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream);
1245 azx_dev->fragsize = snd_pcm_lib_period_bytes(substream);
1246 azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize;
1247 azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate,
1251 if (!azx_dev->format_val) {
1252 snd_printk(KERN_ERR SFX
1253 "invalid format_val, rate=%d, ch=%d, format=%d\n",
1254 runtime->rate, runtime->channels, runtime->format);
1258 snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, "
1260 azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val);
1261 azx_setup_periods(azx_dev);
1262 azx_setup_controller(chip, azx_dev);
1263 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1264 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1266 azx_dev->fifo_size = 0;
1268 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1269 azx_dev->format_val, substream);
1272 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1274 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1275 struct azx_dev *azx_dev = get_azx_dev(substream);
1276 struct azx *chip = apcm->chip;
1279 spin_lock(&chip->reg_lock);
1281 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1282 case SNDRV_PCM_TRIGGER_RESUME:
1283 case SNDRV_PCM_TRIGGER_START:
1284 azx_stream_start(chip, azx_dev);
1285 azx_dev->running = 1;
1287 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1288 case SNDRV_PCM_TRIGGER_SUSPEND:
1289 case SNDRV_PCM_TRIGGER_STOP:
1290 azx_stream_stop(chip, azx_dev);
1291 azx_dev->running = 0;
1296 spin_unlock(&chip->reg_lock);
1297 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH ||
1298 cmd == SNDRV_PCM_TRIGGER_SUSPEND ||
1299 cmd == SNDRV_PCM_TRIGGER_STOP) {
1301 while ((azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START) &&
1308 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1310 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1311 struct azx *chip = apcm->chip;
1312 struct azx_dev *azx_dev = get_azx_dev(substream);
1315 if (chip->position_fix == POS_FIX_POSBUF ||
1316 chip->position_fix == POS_FIX_AUTO) {
1317 /* use the position buffer */
1318 pos = le32_to_cpu(*azx_dev->posbuf);
1319 if (chip->position_fix == POS_FIX_AUTO &&
1320 azx_dev->period_intr == 1 && !pos) {
1322 "hda-intel: Invalid position buffer, "
1323 "using LPIB read method instead.\n");
1324 chip->position_fix = POS_FIX_NONE;
1330 pos = azx_sd_readl(azx_dev, SD_LPIB);
1331 if (chip->position_fix == POS_FIX_FIFO)
1332 pos += azx_dev->fifo_size;
1334 if (pos >= azx_dev->bufsize)
1336 return bytes_to_frames(substream->runtime, pos);
1339 static struct snd_pcm_ops azx_pcm_ops = {
1340 .open = azx_pcm_open,
1341 .close = azx_pcm_close,
1342 .ioctl = snd_pcm_lib_ioctl,
1343 .hw_params = azx_pcm_hw_params,
1344 .hw_free = azx_pcm_hw_free,
1345 .prepare = azx_pcm_prepare,
1346 .trigger = azx_pcm_trigger,
1347 .pointer = azx_pcm_pointer,
1350 static void azx_pcm_free(struct snd_pcm *pcm)
1352 kfree(pcm->private_data);
1355 static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
1356 struct hda_pcm *cpcm, int pcm_dev)
1359 struct snd_pcm *pcm;
1360 struct azx_pcm *apcm;
1362 /* if no substreams are defined for both playback and capture,
1363 * it's just a placeholder. ignore it.
1365 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
1368 snd_assert(cpcm->name, return -EINVAL);
1370 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1371 cpcm->stream[0].substreams,
1372 cpcm->stream[1].substreams,
1376 strcpy(pcm->name, cpcm->name);
1377 apcm = kmalloc(sizeof(*apcm), GFP_KERNEL);
1381 apcm->codec = codec;
1382 apcm->hinfo[0] = &cpcm->stream[0];
1383 apcm->hinfo[1] = &cpcm->stream[1];
1384 pcm->private_data = apcm;
1385 pcm->private_free = azx_pcm_free;
1386 if (cpcm->stream[0].substreams)
1387 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops);
1388 if (cpcm->stream[1].substreams)
1389 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops);
1390 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1391 snd_dma_pci_data(chip->pci),
1392 1024 * 64, 1024 * 1024);
1393 chip->pcm[pcm_dev] = pcm;
1394 if (chip->pcm_devs < pcm_dev + 1)
1395 chip->pcm_devs = pcm_dev + 1;
1400 static int __devinit azx_pcm_create(struct azx *chip)
1402 struct hda_codec *codec;
1406 err = snd_hda_build_pcms(chip->bus);
1410 /* create audio PCMs */
1412 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1413 for (c = 0; c < codec->num_pcms; c++) {
1414 if (codec->pcm_info[c].is_modem)
1415 continue; /* create later */
1416 if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
1417 snd_printk(KERN_ERR SFX
1418 "Too many audio PCMs\n");
1421 err = create_codec_pcm(chip, codec,
1422 &codec->pcm_info[c], pcm_dev);
1429 /* create modem PCMs */
1430 pcm_dev = AZX_MAX_AUDIO_PCMS;
1431 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1432 for (c = 0; c < codec->num_pcms; c++) {
1433 if (!codec->pcm_info[c].is_modem)
1434 continue; /* already created */
1435 if (pcm_dev >= AZX_MAX_PCMS) {
1436 snd_printk(KERN_ERR SFX
1437 "Too many modem PCMs\n");
1440 err = create_codec_pcm(chip, codec,
1441 &codec->pcm_info[c], pcm_dev);
1444 chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
1452 * mixer creation - all stuff is implemented in hda module
1454 static int __devinit azx_mixer_create(struct azx *chip)
1456 return snd_hda_build_controls(chip->bus);
1461 * initialize SD streams
1463 static int __devinit azx_init_stream(struct azx *chip)
1467 /* initialize each stream (aka device)
1468 * assign the starting bdl address to each stream (device)
1471 for (i = 0; i < chip->num_streams; i++) {
1472 unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4);
1473 struct azx_dev *azx_dev = &chip->azx_dev[i];
1474 azx_dev->bdl = (u32 *)(chip->bdl.area + off);
1475 azx_dev->bdl_addr = chip->bdl.addr + off;
1476 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
1477 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
1478 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
1479 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
1480 azx_dev->sd_int_sta_mask = 1 << i;
1481 /* stream tag: must be non-zero and unique */
1483 azx_dev->stream_tag = i + 1;
1489 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
1491 if (request_irq(chip->pci->irq, azx_interrupt,
1492 chip->msi ? 0 : IRQF_SHARED,
1493 "HDA Intel", chip)) {
1494 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
1495 "disabling device\n", chip->pci->irq);
1497 snd_card_disconnect(chip->card);
1500 chip->irq = chip->pci->irq;
1501 pci_intx(chip->pci, !chip->msi);
1506 static void azx_stop_chip(struct azx *chip)
1508 if (!chip->initialized)
1511 /* disable interrupts */
1512 azx_int_disable(chip);
1513 azx_int_clear(chip);
1515 /* disable CORB/RIRB */
1516 azx_free_cmd_io(chip);
1518 /* disable position buffer */
1519 azx_writel(chip, DPLBASE, 0);
1520 azx_writel(chip, DPUBASE, 0);
1522 chip->initialized = 0;
1525 #ifdef CONFIG_SND_HDA_POWER_SAVE
1526 /* power-up/down the controller */
1527 static void azx_power_notify(struct hda_codec *codec)
1529 struct azx *chip = codec->bus->private_data;
1530 struct hda_codec *c;
1533 list_for_each_entry(c, &codec->bus->codec_list, list) {
1540 azx_init_chip(chip);
1541 else if (chip->running && power_save_controller)
1542 azx_stop_chip(chip);
1544 #endif /* CONFIG_SND_HDA_POWER_SAVE */
1550 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
1552 struct snd_card *card = pci_get_drvdata(pci);
1553 struct azx *chip = card->private_data;
1556 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1557 for (i = 0; i < chip->pcm_devs; i++)
1558 snd_pcm_suspend_all(chip->pcm[i]);
1559 if (chip->initialized)
1560 snd_hda_suspend(chip->bus, state);
1561 azx_stop_chip(chip);
1562 if (chip->irq >= 0) {
1563 synchronize_irq(chip->irq);
1564 free_irq(chip->irq, chip);
1568 pci_disable_msi(chip->pci);
1569 pci_disable_device(pci);
1570 pci_save_state(pci);
1571 pci_set_power_state(pci, pci_choose_state(pci, state));
1575 static int azx_resume(struct pci_dev *pci)
1577 struct snd_card *card = pci_get_drvdata(pci);
1578 struct azx *chip = card->private_data;
1580 pci_set_power_state(pci, PCI_D0);
1581 pci_restore_state(pci);
1582 if (pci_enable_device(pci) < 0) {
1583 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
1584 "disabling device\n");
1585 snd_card_disconnect(card);
1588 pci_set_master(pci);
1590 if (pci_enable_msi(pci) < 0)
1592 if (azx_acquire_irq(chip, 1) < 0)
1596 if (snd_hda_codecs_inuse(chip->bus))
1597 azx_init_chip(chip);
1599 snd_hda_resume(chip->bus);
1600 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1603 #endif /* CONFIG_PM */
1609 static int azx_free(struct azx *chip)
1611 if (chip->initialized) {
1613 for (i = 0; i < chip->num_streams; i++)
1614 azx_stream_stop(chip, &chip->azx_dev[i]);
1615 azx_stop_chip(chip);
1618 if (chip->irq >= 0) {
1619 synchronize_irq(chip->irq);
1620 free_irq(chip->irq, (void*)chip);
1623 pci_disable_msi(chip->pci);
1624 if (chip->remap_addr)
1625 iounmap(chip->remap_addr);
1628 snd_dma_free_pages(&chip->bdl);
1630 snd_dma_free_pages(&chip->rb);
1631 if (chip->posbuf.area)
1632 snd_dma_free_pages(&chip->posbuf);
1633 pci_release_regions(chip->pci);
1634 pci_disable_device(chip->pci);
1635 kfree(chip->azx_dev);
1641 static int azx_dev_free(struct snd_device *device)
1643 return azx_free(device->device_data);
1647 * white/black-listing for position_fix
1649 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
1650 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_NONE),
1651 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_NONE),
1655 static int __devinit check_position_fix(struct azx *chip, int fix)
1657 const struct snd_pci_quirk *q;
1659 if (fix == POS_FIX_AUTO) {
1660 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1663 "hda_intel: position_fix set to %d "
1664 "for device %04x:%04x\n",
1665 q->value, q->subvendor, q->subdevice);
1673 * black-lists for probe_mask
1675 static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
1676 /* Thinkpad often breaks the controller communication when accessing
1677 * to the non-working (or non-existing) modem codec slot.
1679 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1680 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1681 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1685 static void __devinit check_probe_mask(struct azx *chip, int dev)
1687 const struct snd_pci_quirk *q;
1689 if (probe_mask[dev] == -1) {
1690 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1693 "hda_intel: probe_mask set to 0x%x "
1694 "for device %04x:%04x\n",
1695 q->value, q->subvendor, q->subdevice);
1696 probe_mask[dev] = q->value;
1705 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
1706 int dev, int driver_type,
1711 static struct snd_device_ops ops = {
1712 .dev_free = azx_dev_free,
1717 err = pci_enable_device(pci);
1721 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1723 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
1724 pci_disable_device(pci);
1728 spin_lock_init(&chip->reg_lock);
1729 mutex_init(&chip->open_mutex);
1733 chip->driver_type = driver_type;
1734 chip->msi = enable_msi;
1736 chip->position_fix = check_position_fix(chip, position_fix[dev]);
1737 check_probe_mask(chip, dev);
1739 chip->single_cmd = single_cmd;
1741 #if BITS_PER_LONG != 64
1742 /* Fix up base address on ULI M5461 */
1743 if (chip->driver_type == AZX_DRIVER_ULI) {
1745 pci_read_config_word(pci, 0x40, &tmp3);
1746 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1747 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1751 err = pci_request_regions(pci, "ICH HD audio");
1754 pci_disable_device(pci);
1758 chip->addr = pci_resource_start(pci, 0);
1759 chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
1760 if (chip->remap_addr == NULL) {
1761 snd_printk(KERN_ERR SFX "ioremap error\n");
1767 if (pci_enable_msi(pci) < 0)
1770 if (azx_acquire_irq(chip, 0) < 0) {
1775 pci_set_master(pci);
1776 synchronize_irq(chip->irq);
1778 switch (chip->driver_type) {
1779 case AZX_DRIVER_ULI:
1780 chip->playback_streams = ULI_NUM_PLAYBACK;
1781 chip->capture_streams = ULI_NUM_CAPTURE;
1782 chip->playback_index_offset = ULI_PLAYBACK_INDEX;
1783 chip->capture_index_offset = ULI_CAPTURE_INDEX;
1785 case AZX_DRIVER_ATIHDMI:
1786 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1787 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1788 chip->playback_index_offset = ATIHDMI_PLAYBACK_INDEX;
1789 chip->capture_index_offset = ATIHDMI_CAPTURE_INDEX;
1792 chip->playback_streams = ICH6_NUM_PLAYBACK;
1793 chip->capture_streams = ICH6_NUM_CAPTURE;
1794 chip->playback_index_offset = ICH6_PLAYBACK_INDEX;
1795 chip->capture_index_offset = ICH6_CAPTURE_INDEX;
1798 chip->num_streams = chip->playback_streams + chip->capture_streams;
1799 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
1801 if (!chip->azx_dev) {
1802 snd_printk(KERN_ERR "cannot malloc azx_dev\n");
1806 /* allocate memory for the BDL for each stream */
1807 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1808 snd_dma_pci_data(chip->pci),
1809 BDL_SIZE, &chip->bdl);
1811 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
1814 /* allocate memory for the position buffer */
1815 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1816 snd_dma_pci_data(chip->pci),
1817 chip->num_streams * 8, &chip->posbuf);
1819 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
1822 /* allocate CORB/RIRB */
1823 if (!chip->single_cmd) {
1824 err = azx_alloc_cmd_io(chip);
1829 /* initialize streams */
1830 azx_init_stream(chip);
1832 /* initialize chip */
1834 azx_init_chip(chip);
1836 /* codec detection */
1837 if (!chip->codec_mask) {
1838 snd_printk(KERN_ERR SFX "no codecs found!\n");
1843 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1845 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
1849 strcpy(card->driver, "HDA-Intel");
1850 strcpy(card->shortname, driver_short_names[chip->driver_type]);
1851 sprintf(card->longname, "%s at 0x%lx irq %i",
1852 card->shortname, chip->addr, chip->irq);
1862 static void power_down_all_codecs(struct azx *chip)
1864 #ifdef CONFIG_SND_HDA_POWER_SAVE
1865 /* The codecs were powered up in snd_hda_codec_new().
1866 * Now all initialization done, so turn them down if possible
1868 struct hda_codec *codec;
1869 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1870 snd_hda_power_down(codec);
1875 static int __devinit azx_probe(struct pci_dev *pci,
1876 const struct pci_device_id *pci_id)
1879 struct snd_card *card;
1883 if (dev >= SNDRV_CARDS)
1890 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1892 snd_printk(KERN_ERR SFX "Error creating card!\n");
1896 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
1898 snd_card_free(card);
1901 card->private_data = chip;
1903 /* create codec instances */
1904 err = azx_codec_create(chip, model[dev], probe_mask[dev]);
1906 snd_card_free(card);
1910 /* create PCM streams */
1911 err = azx_pcm_create(chip);
1913 snd_card_free(card);
1917 /* create mixer controls */
1918 err = azx_mixer_create(chip);
1920 snd_card_free(card);
1924 snd_card_set_dev(card, &pci->dev);
1926 err = snd_card_register(card);
1928 snd_card_free(card);
1932 pci_set_drvdata(pci, card);
1934 power_down_all_codecs(chip);
1939 static void __devexit azx_remove(struct pci_dev *pci)
1941 snd_card_free(pci_get_drvdata(pci));
1942 pci_set_drvdata(pci, NULL);
1946 static struct pci_device_id azx_ids[] = {
1947 { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */
1948 { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */
1949 { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */
1950 { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */
1951 { 0x8086, 0x293e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
1952 { 0x8086, 0x293f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */
1953 { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
1954 { 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */
1955 { 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */
1956 { 0x1002, 0x7919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS690 HDMI */
1957 { 0x1002, 0x960f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS780 HDMI */
1958 { 0x1002, 0xaa00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI R600 HDMI */
1959 { 0x1002, 0xaa08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV630 HDMI */
1960 { 0x1002, 0xaa10, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV610 HDMI */
1961 { 0x1002, 0xaa18, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV670 HDMI */
1962 { 0x1002, 0xaa20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV635 HDMI */
1963 { 0x1002, 0xaa28, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV620 HDMI */
1964 { 0x1002, 0xaa30, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RV770 HDMI */
1965 { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
1966 { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
1967 { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
1968 { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP51 */
1969 { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP55 */
1970 { 0x10de, 0x03e4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
1971 { 0x10de, 0x03f0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */
1972 { 0x10de, 0x044a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
1973 { 0x10de, 0x044b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */
1974 { 0x10de, 0x055c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
1975 { 0x10de, 0x055d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */
1976 { 0x10de, 0x07fc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP73 */
1977 { 0x10de, 0x07fd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP73 */
1978 { 0x10de, 0x0774, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1979 { 0x10de, 0x0775, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1980 { 0x10de, 0x0776, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1981 { 0x10de, 0x0777, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP77 */
1982 { 0x10de, 0x0ac0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1983 { 0x10de, 0x0ac1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1984 { 0x10de, 0x0ac2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1985 { 0x10de, 0x0ac3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP79 */
1988 MODULE_DEVICE_TABLE(pci, azx_ids);
1990 /* pci_driver definition */
1991 static struct pci_driver driver = {
1992 .name = "HDA Intel",
1993 .id_table = azx_ids,
1995 .remove = __devexit_p(azx_remove),
1997 .suspend = azx_suspend,
1998 .resume = azx_resume,
2002 static int __init alsa_card_azx_init(void)
2004 return pci_register_driver(&driver);
2007 static void __exit alsa_card_azx_exit(void)
2009 pci_unregister_driver(&driver);
2012 module_init(alsa_card_azx_init)
2013 module_exit(alsa_card_azx_exit)