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/dma-mapping.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 <linux/reboot.h>
49 #include <sound/core.h>
50 #include <sound/initval.h>
51 #include "hda_codec.h"
54 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
55 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
56 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
57 static char *model[SNDRV_CARDS];
58 static int position_fix[SNDRV_CARDS];
59 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
60 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
61 static int probe_only[SNDRV_CARDS];
62 static int single_cmd;
63 static int enable_msi = -1;
64 #ifdef CONFIG_SND_HDA_PATCH_LOADER
65 static char *patch[SNDRV_CARDS];
67 #ifdef CONFIG_SND_HDA_INPUT_BEEP
68 static int beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
69 CONFIG_SND_HDA_INPUT_BEEP_MODE};
72 module_param_array(index, int, NULL, 0444);
73 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
74 module_param_array(id, charp, NULL, 0444);
75 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
76 module_param_array(enable, bool, NULL, 0444);
77 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
78 module_param_array(model, charp, NULL, 0444);
79 MODULE_PARM_DESC(model, "Use the given board model.");
80 module_param_array(position_fix, int, NULL, 0444);
81 MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
82 "(0 = auto, 1 = none, 2 = POSBUF).");
83 module_param_array(bdl_pos_adj, int, NULL, 0644);
84 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
85 module_param_array(probe_mask, int, NULL, 0444);
86 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
87 module_param_array(probe_only, bool, NULL, 0444);
88 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
89 module_param(single_cmd, bool, 0444);
90 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
91 "(for debugging only).");
92 module_param(enable_msi, int, 0444);
93 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
94 #ifdef CONFIG_SND_HDA_PATCH_LOADER
95 module_param_array(patch, charp, NULL, 0444);
96 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
98 #ifdef CONFIG_SND_HDA_INPUT_BEEP
99 module_param_array(beep_mode, int, NULL, 0444);
100 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
101 "(0=off, 1=on, 2=mute switch on/off) (default=1).");
104 #ifdef CONFIG_SND_HDA_POWER_SAVE
105 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
106 module_param(power_save, int, 0644);
107 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
108 "(in second, 0 = disable).");
110 /* reset the HD-audio controller in power save mode.
111 * this may give more power-saving, but will take longer time to
114 static int power_save_controller = 1;
115 module_param(power_save_controller, bool, 0644);
116 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
119 MODULE_LICENSE("GPL");
120 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
146 MODULE_DESCRIPTION("Intel HDA driver");
148 #ifdef CONFIG_SND_VERBOSE_PRINTK
149 #define SFX /* nop */
151 #define SFX "hda-intel: "
157 #define ICH6_REG_GCAP 0x00
158 #define ICH6_GCAP_64OK (1 << 0) /* 64bit address support */
159 #define ICH6_GCAP_NSDO (3 << 1) /* # of serial data out signals */
160 #define ICH6_GCAP_BSS (31 << 3) /* # of bidirectional streams */
161 #define ICH6_GCAP_ISS (15 << 8) /* # of input streams */
162 #define ICH6_GCAP_OSS (15 << 12) /* # of output streams */
163 #define ICH6_REG_VMIN 0x02
164 #define ICH6_REG_VMAJ 0x03
165 #define ICH6_REG_OUTPAY 0x04
166 #define ICH6_REG_INPAY 0x06
167 #define ICH6_REG_GCTL 0x08
168 #define ICH6_GCTL_RESET (1 << 0) /* controller reset */
169 #define ICH6_GCTL_FCNTRL (1 << 1) /* flush control */
170 #define ICH6_GCTL_UNSOL (1 << 8) /* accept unsol. response enable */
171 #define ICH6_REG_WAKEEN 0x0c
172 #define ICH6_REG_STATESTS 0x0e
173 #define ICH6_REG_GSTS 0x10
174 #define ICH6_GSTS_FSTS (1 << 1) /* flush status */
175 #define ICH6_REG_INTCTL 0x20
176 #define ICH6_REG_INTSTS 0x24
177 #define ICH6_REG_WALCLK 0x30
178 #define ICH6_REG_SYNC 0x34
179 #define ICH6_REG_CORBLBASE 0x40
180 #define ICH6_REG_CORBUBASE 0x44
181 #define ICH6_REG_CORBWP 0x48
182 #define ICH6_REG_CORBRP 0x4a
183 #define ICH6_CORBRP_RST (1 << 15) /* read pointer reset */
184 #define ICH6_REG_CORBCTL 0x4c
185 #define ICH6_CORBCTL_RUN (1 << 1) /* enable DMA */
186 #define ICH6_CORBCTL_CMEIE (1 << 0) /* enable memory error irq */
187 #define ICH6_REG_CORBSTS 0x4d
188 #define ICH6_CORBSTS_CMEI (1 << 0) /* memory error indication */
189 #define ICH6_REG_CORBSIZE 0x4e
191 #define ICH6_REG_RIRBLBASE 0x50
192 #define ICH6_REG_RIRBUBASE 0x54
193 #define ICH6_REG_RIRBWP 0x58
194 #define ICH6_RIRBWP_RST (1 << 15) /* write pointer reset */
195 #define ICH6_REG_RINTCNT 0x5a
196 #define ICH6_REG_RIRBCTL 0x5c
197 #define ICH6_RBCTL_IRQ_EN (1 << 0) /* enable IRQ */
198 #define ICH6_RBCTL_DMA_EN (1 << 1) /* enable DMA */
199 #define ICH6_RBCTL_OVERRUN_EN (1 << 2) /* enable overrun irq */
200 #define ICH6_REG_RIRBSTS 0x5d
201 #define ICH6_RBSTS_IRQ (1 << 0) /* response irq */
202 #define ICH6_RBSTS_OVERRUN (1 << 2) /* overrun irq */
203 #define ICH6_REG_RIRBSIZE 0x5e
205 #define ICH6_REG_IC 0x60
206 #define ICH6_REG_IR 0x64
207 #define ICH6_REG_IRS 0x68
208 #define ICH6_IRS_VALID (1<<1)
209 #define ICH6_IRS_BUSY (1<<0)
211 #define ICH6_REG_DPLBASE 0x70
212 #define ICH6_REG_DPUBASE 0x74
213 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
215 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
216 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
218 /* stream register offsets from stream base */
219 #define ICH6_REG_SD_CTL 0x00
220 #define ICH6_REG_SD_STS 0x03
221 #define ICH6_REG_SD_LPIB 0x04
222 #define ICH6_REG_SD_CBL 0x08
223 #define ICH6_REG_SD_LVI 0x0c
224 #define ICH6_REG_SD_FIFOW 0x0e
225 #define ICH6_REG_SD_FIFOSIZE 0x10
226 #define ICH6_REG_SD_FORMAT 0x12
227 #define ICH6_REG_SD_BDLPL 0x18
228 #define ICH6_REG_SD_BDLPU 0x1c
231 #define ICH6_PCIREG_TCSEL 0x44
237 /* max number of SDs */
238 /* ICH, ATI and VIA have 4 playback and 4 capture */
239 #define ICH6_NUM_CAPTURE 4
240 #define ICH6_NUM_PLAYBACK 4
242 /* ULI has 6 playback and 5 capture */
243 #define ULI_NUM_CAPTURE 5
244 #define ULI_NUM_PLAYBACK 6
246 /* ATI HDMI has 1 playback and 0 capture */
247 #define ATIHDMI_NUM_CAPTURE 0
248 #define ATIHDMI_NUM_PLAYBACK 1
250 /* TERA has 4 playback and 3 capture */
251 #define TERA_NUM_CAPTURE 3
252 #define TERA_NUM_PLAYBACK 4
254 /* this number is statically defined for simplicity */
255 #define MAX_AZX_DEV 16
257 /* max number of fragments - we may use more if allocating more pages for BDL */
258 #define BDL_SIZE 4096
259 #define AZX_MAX_BDL_ENTRIES (BDL_SIZE / 16)
260 #define AZX_MAX_FRAG 32
261 /* max buffer size - no h/w limit, you can increase as you like */
262 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
264 /* RIRB int mask: overrun[2], response[0] */
265 #define RIRB_INT_RESPONSE 0x01
266 #define RIRB_INT_OVERRUN 0x04
267 #define RIRB_INT_MASK 0x05
269 /* STATESTS int mask: S3,SD2,SD1,SD0 */
270 #define AZX_MAX_CODECS 4
271 #define STATESTS_INT_MASK ((1 << AZX_MAX_CODECS) - 1)
274 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
275 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
276 #define SD_CTL_STRIPE (3 << 16) /* stripe control */
277 #define SD_CTL_TRAFFIC_PRIO (1 << 18) /* traffic priority */
278 #define SD_CTL_DIR (1 << 19) /* bi-directional stream */
279 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
280 #define SD_CTL_STREAM_TAG_SHIFT 20
282 /* SD_CTL and SD_STS */
283 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
284 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
285 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
286 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
290 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
292 /* INTCTL and INTSTS */
293 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
294 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
295 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
297 /* below are so far hardcoded - should read registers in future */
298 #define ICH6_MAX_CORB_ENTRIES 256
299 #define ICH6_MAX_RIRB_ENTRIES 256
301 /* position fix mode */
308 /* Defines for ATI HD Audio support in SB450 south bridge */
309 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
310 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
312 /* Defines for Nvidia HDA support */
313 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
314 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
315 #define NVIDIA_HDA_ISTRM_COH 0x4d
316 #define NVIDIA_HDA_OSTRM_COH 0x4c
317 #define NVIDIA_HDA_ENABLE_COHBIT 0x01
319 /* Defines for Intel SCH HDA snoop control */
320 #define INTEL_SCH_HDA_DEVC 0x78
321 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
323 /* Define IN stream 0 FIFO size offset in VIA controller */
324 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
325 /* Define VIA HD Audio Device ID*/
326 #define VIA_HDAC_DEVICE_ID 0x3288
328 /* HD Audio class code */
329 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
335 struct snd_dma_buffer bdl; /* BDL buffer */
336 u32 *posbuf; /* position buffer pointer */
338 unsigned int bufsize; /* size of the play buffer in bytes */
339 unsigned int period_bytes; /* size of the period in bytes */
340 unsigned int frags; /* number for period in the play buffer */
341 unsigned int fifo_size; /* FIFO size */
342 unsigned long start_jiffies; /* start + minimum jiffies */
343 unsigned long min_jiffies; /* minimum jiffies before position is valid */
345 void __iomem *sd_addr; /* stream descriptor pointer */
347 u32 sd_int_sta_mask; /* stream int status mask */
350 struct snd_pcm_substream *substream; /* assigned substream,
353 unsigned int format_val; /* format value to be set in the
354 * controller and the codec
356 unsigned char stream_tag; /* assigned stream */
357 unsigned char index; /* stream index */
358 int device; /* last device number assigned to */
360 unsigned int opened :1;
361 unsigned int running :1;
362 unsigned int irq_pending :1;
363 unsigned int start_flag: 1; /* stream full start flag */
366 * A flag to ensure DMA position is 0
367 * when link position is not greater than FIFO size
369 unsigned int insufficient :1;
374 u32 *buf; /* CORB/RIRB buffer
375 * Each CORB entry is 4byte, RIRB is 8byte
377 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
379 unsigned short rp, wp; /* read/write pointers */
380 int cmds[AZX_MAX_CODECS]; /* number of pending requests */
381 u32 res[AZX_MAX_CODECS]; /* last read value */
385 struct snd_card *card;
389 /* chip type specific */
391 int playback_streams;
392 int playback_index_offset;
394 int capture_index_offset;
399 void __iomem *remap_addr;
404 struct mutex open_mutex;
406 /* streams (x num_streams) */
407 struct azx_dev *azx_dev;
410 struct snd_pcm *pcm[HDA_MAX_PCMS];
413 unsigned short codec_mask;
414 int codec_probe_mask; /* copied from probe_mask option */
416 unsigned int beep_mode;
422 /* CORB/RIRB and position buffers */
423 struct snd_dma_buffer rb;
424 struct snd_dma_buffer posbuf;
428 unsigned int running :1;
429 unsigned int initialized :1;
430 unsigned int single_cmd :1;
431 unsigned int polling_mode :1;
433 unsigned int irq_pending_warned :1;
434 unsigned int via_dmapos_patch :1; /* enable DMA-position fix for VIA */
435 unsigned int probing :1; /* codec probing phase */
438 unsigned int last_cmd[AZX_MAX_CODECS];
440 /* for pending irqs */
441 struct work_struct irq_pending_work;
443 /* reboot notifier (for mysterious hangup problem at power-down) */
444 struct notifier_block reboot_notifier;
459 AZX_NUM_DRIVERS, /* keep this as last entry */
462 static char *driver_short_names[] __devinitdata = {
463 [AZX_DRIVER_ICH] = "HDA Intel",
464 [AZX_DRIVER_SCH] = "HDA Intel MID",
465 [AZX_DRIVER_ATI] = "HDA ATI SB",
466 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
467 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
468 [AZX_DRIVER_SIS] = "HDA SIS966",
469 [AZX_DRIVER_ULI] = "HDA ULI M5461",
470 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
471 [AZX_DRIVER_TERA] = "HDA Teradici",
472 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
476 * macros for easy use
478 #define azx_writel(chip,reg,value) \
479 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
480 #define azx_readl(chip,reg) \
481 readl((chip)->remap_addr + ICH6_REG_##reg)
482 #define azx_writew(chip,reg,value) \
483 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
484 #define azx_readw(chip,reg) \
485 readw((chip)->remap_addr + ICH6_REG_##reg)
486 #define azx_writeb(chip,reg,value) \
487 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
488 #define azx_readb(chip,reg) \
489 readb((chip)->remap_addr + ICH6_REG_##reg)
491 #define azx_sd_writel(dev,reg,value) \
492 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
493 #define azx_sd_readl(dev,reg) \
494 readl((dev)->sd_addr + ICH6_REG_##reg)
495 #define azx_sd_writew(dev,reg,value) \
496 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
497 #define azx_sd_readw(dev,reg) \
498 readw((dev)->sd_addr + ICH6_REG_##reg)
499 #define azx_sd_writeb(dev,reg,value) \
500 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
501 #define azx_sd_readb(dev,reg) \
502 readb((dev)->sd_addr + ICH6_REG_##reg)
504 /* for pcm support */
505 #define get_azx_dev(substream) (substream->runtime->private_data)
507 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
510 * Interface for HD codec
514 * CORB / RIRB interface
516 static int azx_alloc_cmd_io(struct azx *chip)
520 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
521 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
522 snd_dma_pci_data(chip->pci),
523 PAGE_SIZE, &chip->rb);
525 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
531 static void azx_init_cmd_io(struct azx *chip)
533 spin_lock_irq(&chip->reg_lock);
535 chip->corb.addr = chip->rb.addr;
536 chip->corb.buf = (u32 *)chip->rb.area;
537 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
538 azx_writel(chip, CORBUBASE, upper_32_bits(chip->corb.addr));
540 /* set the corb size to 256 entries (ULI requires explicitly) */
541 azx_writeb(chip, CORBSIZE, 0x02);
542 /* set the corb write pointer to 0 */
543 azx_writew(chip, CORBWP, 0);
544 /* reset the corb hw read pointer */
545 azx_writew(chip, CORBRP, ICH6_CORBRP_RST);
546 /* enable corb dma */
547 azx_writeb(chip, CORBCTL, ICH6_CORBCTL_RUN);
550 chip->rirb.addr = chip->rb.addr + 2048;
551 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
552 chip->rirb.wp = chip->rirb.rp = 0;
553 memset(chip->rirb.cmds, 0, sizeof(chip->rirb.cmds));
554 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
555 azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
557 /* set the rirb size to 256 entries (ULI requires explicitly) */
558 azx_writeb(chip, RIRBSIZE, 0x02);
559 /* reset the rirb hw write pointer */
560 azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
561 /* set N=1, get RIRB response interrupt for new entry */
562 azx_writew(chip, RINTCNT, 1);
563 /* enable rirb dma and response irq */
564 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
565 spin_unlock_irq(&chip->reg_lock);
568 static void azx_free_cmd_io(struct azx *chip)
570 spin_lock_irq(&chip->reg_lock);
571 /* disable ringbuffer DMAs */
572 azx_writeb(chip, RIRBCTL, 0);
573 azx_writeb(chip, CORBCTL, 0);
574 spin_unlock_irq(&chip->reg_lock);
577 static unsigned int azx_command_addr(u32 cmd)
579 unsigned int addr = cmd >> 28;
581 if (addr >= AZX_MAX_CODECS) {
589 static unsigned int azx_response_addr(u32 res)
591 unsigned int addr = res & 0xf;
593 if (addr >= AZX_MAX_CODECS) {
602 static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
604 struct azx *chip = bus->private_data;
605 unsigned int addr = azx_command_addr(val);
608 spin_lock_irq(&chip->reg_lock);
610 /* add command to corb */
611 wp = azx_readb(chip, CORBWP);
613 wp %= ICH6_MAX_CORB_ENTRIES;
615 chip->rirb.cmds[addr]++;
616 chip->corb.buf[wp] = cpu_to_le32(val);
617 azx_writel(chip, CORBWP, wp);
619 spin_unlock_irq(&chip->reg_lock);
624 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
626 /* retrieve RIRB entry - called from interrupt handler */
627 static void azx_update_rirb(struct azx *chip)
633 wp = azx_readb(chip, RIRBWP);
634 if (wp == chip->rirb.wp)
638 while (chip->rirb.rp != wp) {
640 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
642 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
643 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
644 res = le32_to_cpu(chip->rirb.buf[rp]);
645 addr = azx_response_addr(res_ex);
646 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
647 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
648 else if (chip->rirb.cmds[addr]) {
649 chip->rirb.res[addr] = res;
651 chip->rirb.cmds[addr]--;
653 snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
656 chip->last_cmd[addr]);
660 /* receive a response */
661 static unsigned int azx_rirb_get_response(struct hda_bus *bus,
664 struct azx *chip = bus->private_data;
665 unsigned long timeout;
668 timeout = jiffies + msecs_to_jiffies(1000);
670 if (chip->polling_mode) {
671 spin_lock_irq(&chip->reg_lock);
672 azx_update_rirb(chip);
673 spin_unlock_irq(&chip->reg_lock);
675 if (!chip->rirb.cmds[addr]) {
678 return chip->rirb.res[addr]; /* the last value */
680 if (time_after(jiffies, timeout))
682 if (bus->needs_damn_long_delay)
683 msleep(2); /* temporary workaround */
690 if (!chip->polling_mode) {
691 snd_printk(KERN_WARNING SFX "azx_get_response timeout, "
692 "switching to polling mode: last cmd=0x%08x\n",
693 chip->last_cmd[addr]);
694 chip->polling_mode = 1;
699 snd_printk(KERN_WARNING SFX "No response from codec, "
700 "disabling MSI: last cmd=0x%08x\n",
701 chip->last_cmd[addr]);
702 free_irq(chip->irq, chip);
704 pci_disable_msi(chip->pci);
706 if (azx_acquire_irq(chip, 1) < 0) {
714 /* If this critical timeout happens during the codec probing
715 * phase, this is likely an access to a non-existing codec
716 * slot. Better to return an error and reset the system.
721 /* a fatal communication error; need either to reset or to fallback
722 * to the single_cmd mode
725 if (bus->allow_bus_reset && !bus->response_reset && !bus->in_reset) {
726 bus->response_reset = 1;
727 return -1; /* give a chance to retry */
730 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
731 "switching to single_cmd mode: last cmd=0x%08x\n",
732 chip->last_cmd[addr]);
733 chip->single_cmd = 1;
734 bus->response_reset = 0;
735 /* release CORB/RIRB */
736 azx_free_cmd_io(chip);
737 /* disable unsolicited responses */
738 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_UNSOL);
743 * Use the single immediate command instead of CORB/RIRB for simplicity
745 * Note: according to Intel, this is not preferred use. The command was
746 * intended for the BIOS only, and may get confused with unsolicited
747 * responses. So, we shouldn't use it for normal operation from the
749 * I left the codes, however, for debugging/testing purposes.
752 /* receive a response */
753 static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
758 /* check IRV busy bit */
759 if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
760 /* reuse rirb.res as the response return value */
761 chip->rirb.res[addr] = azx_readl(chip, IR);
766 if (printk_ratelimit())
767 snd_printd(SFX "get_response timeout: IRS=0x%x\n",
768 azx_readw(chip, IRS));
769 chip->rirb.res[addr] = -1;
774 static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
776 struct azx *chip = bus->private_data;
777 unsigned int addr = azx_command_addr(val);
782 /* check ICB busy bit */
783 if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
784 /* Clear IRV valid bit */
785 azx_writew(chip, IRS, azx_readw(chip, IRS) |
787 azx_writel(chip, IC, val);
788 azx_writew(chip, IRS, azx_readw(chip, IRS) |
790 return azx_single_wait_for_response(chip, addr);
794 if (printk_ratelimit())
795 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
796 azx_readw(chip, IRS), val);
800 /* receive a response */
801 static unsigned int azx_single_get_response(struct hda_bus *bus,
804 struct azx *chip = bus->private_data;
805 return chip->rirb.res[addr];
809 * The below are the main callbacks from hda_codec.
811 * They are just the skeleton to call sub-callbacks according to the
812 * current setting of chip->single_cmd.
816 static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
818 struct azx *chip = bus->private_data;
820 chip->last_cmd[azx_command_addr(val)] = val;
821 if (chip->single_cmd)
822 return azx_single_send_cmd(bus, val);
824 return azx_corb_send_cmd(bus, val);
828 static unsigned int azx_get_response(struct hda_bus *bus,
831 struct azx *chip = bus->private_data;
832 if (chip->single_cmd)
833 return azx_single_get_response(bus, addr);
835 return azx_rirb_get_response(bus, addr);
838 #ifdef CONFIG_SND_HDA_POWER_SAVE
839 static void azx_power_notify(struct hda_bus *bus);
842 /* reset codec link */
843 static int azx_reset(struct azx *chip)
848 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
850 /* reset controller */
851 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
854 while (azx_readb(chip, GCTL) && --count)
857 /* delay for >= 100us for codec PLL to settle per spec
858 * Rev 0.9 section 5.5.1
862 /* Bring controller out of reset */
863 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
866 while (!azx_readb(chip, GCTL) && --count)
869 /* Brent Chartrand said to wait >= 540us for codecs to initialize */
872 /* check to see if controller is ready */
873 if (!azx_readb(chip, GCTL)) {
874 snd_printd(SFX "azx_reset: controller not ready!\n");
878 /* Accept unsolicited responses */
879 if (!chip->single_cmd)
880 azx_writel(chip, GCTL, azx_readl(chip, GCTL) |
884 if (!chip->codec_mask) {
885 chip->codec_mask = azx_readw(chip, STATESTS);
886 snd_printdd(SFX "codec_mask = 0x%x\n", chip->codec_mask);
897 /* enable interrupts */
898 static void azx_int_enable(struct azx *chip)
900 /* enable controller CIE and GIE */
901 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
902 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
905 /* disable interrupts */
906 static void azx_int_disable(struct azx *chip)
910 /* disable interrupts in stream descriptor */
911 for (i = 0; i < chip->num_streams; i++) {
912 struct azx_dev *azx_dev = &chip->azx_dev[i];
913 azx_sd_writeb(azx_dev, SD_CTL,
914 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
917 /* disable SIE for all streams */
918 azx_writeb(chip, INTCTL, 0);
920 /* disable controller CIE and GIE */
921 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
922 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
925 /* clear interrupts */
926 static void azx_int_clear(struct azx *chip)
930 /* clear stream status */
931 for (i = 0; i < chip->num_streams; i++) {
932 struct azx_dev *azx_dev = &chip->azx_dev[i];
933 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
937 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
939 /* clear rirb status */
940 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
942 /* clear int status */
943 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
947 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
950 * Before stream start, initialize parameter
952 azx_dev->insufficient = 1;
955 azx_writel(chip, INTCTL,
956 azx_readl(chip, INTCTL) | (1 << azx_dev->index));
957 /* set DMA start and interrupt mask */
958 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
959 SD_CTL_DMA_START | SD_INT_MASK);
963 static void azx_stream_clear(struct azx *chip, struct azx_dev *azx_dev)
965 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
966 ~(SD_CTL_DMA_START | SD_INT_MASK));
967 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
971 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
973 azx_stream_clear(chip, azx_dev);
975 azx_writel(chip, INTCTL,
976 azx_readl(chip, INTCTL) & ~(1 << azx_dev->index));
981 * reset and start the controller registers
983 static void azx_init_chip(struct azx *chip)
985 if (chip->initialized)
988 /* reset controller */
991 /* initialize interrupts */
993 azx_int_enable(chip);
995 /* initialize the codec command I/O */
996 if (!chip->single_cmd)
997 azx_init_cmd_io(chip);
999 /* program the position buffer */
1000 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
1001 azx_writel(chip, DPUBASE, upper_32_bits(chip->posbuf.addr));
1003 chip->initialized = 1;
1007 * initialize the PCI registers
1009 /* update bits in a PCI register byte */
1010 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
1011 unsigned char mask, unsigned char val)
1015 pci_read_config_byte(pci, reg, &data);
1017 data |= (val & mask);
1018 pci_write_config_byte(pci, reg, data);
1021 static void azx_init_pci(struct azx *chip)
1023 unsigned short snoop;
1025 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
1026 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
1027 * Ensuring these bits are 0 clears playback static on some HD Audio
1030 update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
1032 switch (chip->driver_type) {
1033 case AZX_DRIVER_ATI:
1034 /* For ATI SB450 azalia HD audio, we need to enable snoop */
1035 update_pci_byte(chip->pci,
1036 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
1037 0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
1039 case AZX_DRIVER_NVIDIA:
1040 /* For NVIDIA HDA, enable snoop */
1041 update_pci_byte(chip->pci,
1042 NVIDIA_HDA_TRANSREG_ADDR,
1043 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
1044 update_pci_byte(chip->pci,
1045 NVIDIA_HDA_ISTRM_COH,
1046 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1047 update_pci_byte(chip->pci,
1048 NVIDIA_HDA_OSTRM_COH,
1049 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1051 case AZX_DRIVER_SCH:
1052 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
1053 if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) {
1054 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC,
1055 snoop & (~INTEL_SCH_HDA_DEVC_NOSNOOP));
1056 pci_read_config_word(chip->pci,
1057 INTEL_SCH_HDA_DEVC, &snoop);
1058 snd_printdd(SFX "HDA snoop disabled, enabling ... %s\n",
1059 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)
1068 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
1073 static irqreturn_t azx_interrupt(int irq, void *dev_id)
1075 struct azx *chip = dev_id;
1076 struct azx_dev *azx_dev;
1080 spin_lock(&chip->reg_lock);
1082 status = azx_readl(chip, INTSTS);
1084 spin_unlock(&chip->reg_lock);
1088 for (i = 0; i < chip->num_streams; i++) {
1089 azx_dev = &chip->azx_dev[i];
1090 if (status & azx_dev->sd_int_sta_mask) {
1091 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
1092 if (!azx_dev->substream || !azx_dev->running)
1094 /* check whether this IRQ is really acceptable */
1095 ok = azx_position_ok(chip, azx_dev);
1097 azx_dev->irq_pending = 0;
1098 spin_unlock(&chip->reg_lock);
1099 snd_pcm_period_elapsed(azx_dev->substream);
1100 spin_lock(&chip->reg_lock);
1101 } else if (ok == 0 && chip->bus && chip->bus->workq) {
1102 /* bogus IRQ, process it later */
1103 azx_dev->irq_pending = 1;
1104 queue_work(chip->bus->workq,
1105 &chip->irq_pending_work);
1110 /* clear rirb int */
1111 status = azx_readb(chip, RIRBSTS);
1112 if (status & RIRB_INT_MASK) {
1113 if (status & RIRB_INT_RESPONSE)
1114 azx_update_rirb(chip);
1115 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
1119 /* clear state status int */
1120 if (azx_readb(chip, STATESTS) & 0x04)
1121 azx_writeb(chip, STATESTS, 0x04);
1123 spin_unlock(&chip->reg_lock);
1130 * set up a BDL entry
1132 static int setup_bdle(struct snd_pcm_substream *substream,
1133 struct azx_dev *azx_dev, u32 **bdlp,
1134 int ofs, int size, int with_ioc)
1142 if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
1145 addr = snd_pcm_sgbuf_get_addr(substream, ofs);
1146 /* program the address field of the BDL entry */
1147 bdl[0] = cpu_to_le32((u32)addr);
1148 bdl[1] = cpu_to_le32(upper_32_bits(addr));
1149 /* program the size field of the BDL entry */
1150 chunk = snd_pcm_sgbuf_get_chunk_size(substream, ofs, size);
1151 bdl[2] = cpu_to_le32(chunk);
1152 /* program the IOC to enable interrupt
1153 * only when the whole fragment is processed
1156 bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
1166 * set up BDL entries
1168 static int azx_setup_periods(struct azx *chip,
1169 struct snd_pcm_substream *substream,
1170 struct azx_dev *azx_dev)
1173 int i, ofs, periods, period_bytes;
1176 /* reset BDL address */
1177 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1178 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1180 period_bytes = azx_dev->period_bytes;
1181 periods = azx_dev->bufsize / period_bytes;
1183 /* program the initial BDL entries */
1184 bdl = (u32 *)azx_dev->bdl.area;
1187 pos_adj = bdl_pos_adj[chip->dev_index];
1189 struct snd_pcm_runtime *runtime = substream->runtime;
1190 int pos_align = pos_adj;
1191 pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
1193 pos_adj = pos_align;
1195 pos_adj = ((pos_adj + pos_align - 1) / pos_align) *
1197 pos_adj = frames_to_bytes(runtime, pos_adj);
1198 if (pos_adj >= period_bytes) {
1199 snd_printk(KERN_WARNING SFX "Too big adjustment %d\n",
1200 bdl_pos_adj[chip->dev_index]);
1203 ofs = setup_bdle(substream, azx_dev,
1204 &bdl, ofs, pos_adj, 1);
1210 for (i = 0; i < periods; i++) {
1211 if (i == periods - 1 && pos_adj)
1212 ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
1213 period_bytes - pos_adj, 0);
1215 ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
1223 snd_printk(KERN_ERR SFX "Too many BDL entries: buffer=%d, period=%d\n",
1224 azx_dev->bufsize, period_bytes);
1229 static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
1234 azx_stream_clear(chip, azx_dev);
1236 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
1237 SD_CTL_STREAM_RESET);
1240 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1243 val &= ~SD_CTL_STREAM_RESET;
1244 azx_sd_writeb(azx_dev, SD_CTL, val);
1248 /* waiting for hardware to report that the stream is out of reset */
1249 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1253 /* reset first position - may not be synced with hw at this time */
1254 *azx_dev->posbuf = 0;
1258 * set up the SD for streaming
1260 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
1262 /* make sure the run bit is zero for SD */
1263 azx_stream_clear(chip, azx_dev);
1264 /* program the stream_tag */
1265 azx_sd_writel(azx_dev, SD_CTL,
1266 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK)|
1267 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
1269 /* program the length of samples in cyclic buffer */
1270 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
1272 /* program the stream format */
1273 /* this value needs to be the same as the one programmed */
1274 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
1276 /* program the stream LVI (last valid index) of the BDL */
1277 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
1279 /* program the BDL address */
1280 /* lower BDL address */
1281 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
1282 /* upper BDL address */
1283 azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(azx_dev->bdl.addr));
1285 /* enable the position buffer */
1286 if (chip->position_fix == POS_FIX_POSBUF ||
1287 chip->position_fix == POS_FIX_AUTO ||
1288 chip->via_dmapos_patch) {
1289 if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
1290 azx_writel(chip, DPLBASE,
1291 (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
1294 /* set the interrupt enable bits in the descriptor control register */
1295 azx_sd_writel(azx_dev, SD_CTL,
1296 azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
1302 * Probe the given codec address
1304 static int probe_codec(struct azx *chip, int addr)
1306 unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
1307 (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
1310 mutex_lock(&chip->bus->cmd_mutex);
1312 azx_send_cmd(chip->bus, cmd);
1313 res = azx_get_response(chip->bus, addr);
1315 mutex_unlock(&chip->bus->cmd_mutex);
1318 snd_printdd(SFX "codec #%d probed OK\n", addr);
1322 static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
1323 struct hda_pcm *cpcm);
1324 static void azx_stop_chip(struct azx *chip);
1326 static void azx_bus_reset(struct hda_bus *bus)
1328 struct azx *chip = bus->private_data;
1331 azx_stop_chip(chip);
1332 azx_init_chip(chip);
1334 if (chip->initialized) {
1337 for (i = 0; i < HDA_MAX_PCMS; i++)
1338 snd_pcm_suspend_all(chip->pcm[i]);
1339 snd_hda_suspend(chip->bus);
1340 snd_hda_resume(chip->bus);
1347 * Codec initialization
1350 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
1351 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
1352 [AZX_DRIVER_TERA] = 1,
1355 static int __devinit azx_codec_create(struct azx *chip, const char *model)
1357 struct hda_bus_template bus_temp;
1361 memset(&bus_temp, 0, sizeof(bus_temp));
1362 bus_temp.private_data = chip;
1363 bus_temp.modelname = model;
1364 bus_temp.pci = chip->pci;
1365 bus_temp.ops.command = azx_send_cmd;
1366 bus_temp.ops.get_response = azx_get_response;
1367 bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
1368 bus_temp.ops.bus_reset = azx_bus_reset;
1369 #ifdef CONFIG_SND_HDA_POWER_SAVE
1370 bus_temp.power_save = &power_save;
1371 bus_temp.ops.pm_notify = azx_power_notify;
1374 err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
1378 if (chip->driver_type == AZX_DRIVER_NVIDIA)
1379 chip->bus->needs_damn_long_delay = 1;
1382 max_slots = azx_max_codecs[chip->driver_type];
1384 max_slots = AZX_MAX_CODECS;
1386 /* First try to probe all given codec slots */
1387 for (c = 0; c < max_slots; c++) {
1388 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
1389 if (probe_codec(chip, c) < 0) {
1390 /* Some BIOSen give you wrong codec addresses
1393 snd_printk(KERN_WARNING SFX
1394 "Codec #%d probe error; "
1395 "disabling it...\n", c);
1396 chip->codec_mask &= ~(1 << c);
1397 /* More badly, accessing to a non-existing
1398 * codec often screws up the controller chip,
1399 * and distrubs the further communications.
1400 * Thus if an error occurs during probing,
1401 * better to reset the controller chip to
1402 * get back to the sanity state.
1404 azx_stop_chip(chip);
1405 azx_init_chip(chip);
1410 /* Then create codec instances */
1411 for (c = 0; c < max_slots; c++) {
1412 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
1413 struct hda_codec *codec;
1414 err = snd_hda_codec_new(chip->bus, c, &codec);
1417 codec->beep_mode = chip->beep_mode;
1422 snd_printk(KERN_ERR SFX "no codecs initialized\n");
1428 /* configure each codec instance */
1429 static int __devinit azx_codec_configure(struct azx *chip)
1431 struct hda_codec *codec;
1432 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1433 snd_hda_codec_configure(codec);
1443 /* assign a stream for the PCM */
1444 static inline struct azx_dev *
1445 azx_assign_device(struct azx *chip, struct snd_pcm_substream *substream)
1448 struct azx_dev *res = NULL;
1450 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1451 dev = chip->playback_index_offset;
1452 nums = chip->playback_streams;
1454 dev = chip->capture_index_offset;
1455 nums = chip->capture_streams;
1457 for (i = 0; i < nums; i++, dev++)
1458 if (!chip->azx_dev[dev].opened) {
1459 res = &chip->azx_dev[dev];
1460 if (res->device == substream->pcm->device)
1465 res->device = substream->pcm->device;
1470 /* release the assigned stream */
1471 static inline void azx_release_device(struct azx_dev *azx_dev)
1473 azx_dev->opened = 0;
1476 static struct snd_pcm_hardware azx_pcm_hw = {
1477 .info = (SNDRV_PCM_INFO_MMAP |
1478 SNDRV_PCM_INFO_INTERLEAVED |
1479 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1480 SNDRV_PCM_INFO_MMAP_VALID |
1481 /* No full-resume yet implemented */
1482 /* SNDRV_PCM_INFO_RESUME |*/
1483 SNDRV_PCM_INFO_PAUSE |
1484 SNDRV_PCM_INFO_SYNC_START),
1485 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1486 .rates = SNDRV_PCM_RATE_48000,
1491 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1492 .period_bytes_min = 128,
1493 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1495 .periods_max = AZX_MAX_FRAG,
1501 struct hda_codec *codec;
1502 struct hda_pcm_stream *hinfo[2];
1505 static int azx_pcm_open(struct snd_pcm_substream *substream)
1507 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1508 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1509 struct azx *chip = apcm->chip;
1510 struct azx_dev *azx_dev;
1511 struct snd_pcm_runtime *runtime = substream->runtime;
1512 unsigned long flags;
1515 mutex_lock(&chip->open_mutex);
1516 azx_dev = azx_assign_device(chip, substream);
1517 if (azx_dev == NULL) {
1518 mutex_unlock(&chip->open_mutex);
1521 runtime->hw = azx_pcm_hw;
1522 runtime->hw.channels_min = hinfo->channels_min;
1523 runtime->hw.channels_max = hinfo->channels_max;
1524 runtime->hw.formats = hinfo->formats;
1525 runtime->hw.rates = hinfo->rates;
1526 snd_pcm_limit_hw_rates(runtime);
1527 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1528 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1530 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1532 snd_hda_power_up(apcm->codec);
1533 err = hinfo->ops.open(hinfo, apcm->codec, substream);
1535 azx_release_device(azx_dev);
1536 snd_hda_power_down(apcm->codec);
1537 mutex_unlock(&chip->open_mutex);
1540 snd_pcm_limit_hw_rates(runtime);
1542 if (snd_BUG_ON(!runtime->hw.channels_min) ||
1543 snd_BUG_ON(!runtime->hw.channels_max) ||
1544 snd_BUG_ON(!runtime->hw.formats) ||
1545 snd_BUG_ON(!runtime->hw.rates)) {
1546 azx_release_device(azx_dev);
1547 hinfo->ops.close(hinfo, apcm->codec, substream);
1548 snd_hda_power_down(apcm->codec);
1549 mutex_unlock(&chip->open_mutex);
1552 spin_lock_irqsave(&chip->reg_lock, flags);
1553 azx_dev->substream = substream;
1554 azx_dev->running = 0;
1555 spin_unlock_irqrestore(&chip->reg_lock, flags);
1557 runtime->private_data = azx_dev;
1558 snd_pcm_set_sync(substream);
1559 mutex_unlock(&chip->open_mutex);
1563 static int azx_pcm_close(struct snd_pcm_substream *substream)
1565 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1566 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1567 struct azx *chip = apcm->chip;
1568 struct azx_dev *azx_dev = get_azx_dev(substream);
1569 unsigned long flags;
1571 mutex_lock(&chip->open_mutex);
1572 spin_lock_irqsave(&chip->reg_lock, flags);
1573 azx_dev->substream = NULL;
1574 azx_dev->running = 0;
1575 spin_unlock_irqrestore(&chip->reg_lock, flags);
1576 azx_release_device(azx_dev);
1577 hinfo->ops.close(hinfo, apcm->codec, substream);
1578 snd_hda_power_down(apcm->codec);
1579 mutex_unlock(&chip->open_mutex);
1583 static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
1584 struct snd_pcm_hw_params *hw_params)
1586 struct azx_dev *azx_dev = get_azx_dev(substream);
1588 azx_dev->bufsize = 0;
1589 azx_dev->period_bytes = 0;
1590 azx_dev->format_val = 0;
1591 return snd_pcm_lib_malloc_pages(substream,
1592 params_buffer_bytes(hw_params));
1595 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1597 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1598 struct azx_dev *azx_dev = get_azx_dev(substream);
1599 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1601 /* reset BDL address */
1602 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1603 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1604 azx_sd_writel(azx_dev, SD_CTL, 0);
1605 azx_dev->bufsize = 0;
1606 azx_dev->period_bytes = 0;
1607 azx_dev->format_val = 0;
1609 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1611 return snd_pcm_lib_free_pages(substream);
1614 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1616 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1617 struct azx *chip = apcm->chip;
1618 struct azx_dev *azx_dev = get_azx_dev(substream);
1619 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1620 struct snd_pcm_runtime *runtime = substream->runtime;
1621 unsigned int bufsize, period_bytes, format_val;
1624 azx_stream_reset(chip, azx_dev);
1625 format_val = snd_hda_calc_stream_format(runtime->rate,
1630 snd_printk(KERN_ERR SFX
1631 "invalid format_val, rate=%d, ch=%d, format=%d\n",
1632 runtime->rate, runtime->channels, runtime->format);
1636 bufsize = snd_pcm_lib_buffer_bytes(substream);
1637 period_bytes = snd_pcm_lib_period_bytes(substream);
1639 snd_printdd(SFX "azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
1640 bufsize, format_val);
1642 if (bufsize != azx_dev->bufsize ||
1643 period_bytes != azx_dev->period_bytes ||
1644 format_val != azx_dev->format_val) {
1645 azx_dev->bufsize = bufsize;
1646 azx_dev->period_bytes = period_bytes;
1647 azx_dev->format_val = format_val;
1648 err = azx_setup_periods(chip, substream, azx_dev);
1653 azx_dev->min_jiffies = (runtime->period_size * HZ) /
1654 (runtime->rate * 2);
1655 azx_setup_controller(chip, azx_dev);
1656 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1657 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1659 azx_dev->fifo_size = 0;
1661 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1662 azx_dev->format_val, substream);
1665 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1667 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1668 struct azx *chip = apcm->chip;
1669 struct azx_dev *azx_dev;
1670 struct snd_pcm_substream *s;
1671 int rstart = 0, start, nsync = 0, sbits = 0;
1675 case SNDRV_PCM_TRIGGER_START:
1677 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1678 case SNDRV_PCM_TRIGGER_RESUME:
1681 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1682 case SNDRV_PCM_TRIGGER_SUSPEND:
1683 case SNDRV_PCM_TRIGGER_STOP:
1690 snd_pcm_group_for_each_entry(s, substream) {
1691 if (s->pcm->card != substream->pcm->card)
1693 azx_dev = get_azx_dev(s);
1694 sbits |= 1 << azx_dev->index;
1696 snd_pcm_trigger_done(s, substream);
1699 spin_lock(&chip->reg_lock);
1701 /* first, set SYNC bits of corresponding streams */
1702 azx_writel(chip, SYNC, azx_readl(chip, SYNC) | sbits);
1704 snd_pcm_group_for_each_entry(s, substream) {
1705 if (s->pcm->card != substream->pcm->card)
1707 azx_dev = get_azx_dev(s);
1709 azx_dev->start_flag = 1;
1710 azx_dev->start_jiffies = jiffies + azx_dev->min_jiffies;
1713 azx_stream_start(chip, azx_dev);
1715 azx_stream_stop(chip, azx_dev);
1716 azx_dev->running = start;
1718 spin_unlock(&chip->reg_lock);
1722 /* wait until all FIFOs get ready */
1723 for (timeout = 5000; timeout; timeout--) {
1725 snd_pcm_group_for_each_entry(s, substream) {
1726 if (s->pcm->card != substream->pcm->card)
1728 azx_dev = get_azx_dev(s);
1729 if (!(azx_sd_readb(azx_dev, SD_STS) &
1738 /* wait until all RUN bits are cleared */
1739 for (timeout = 5000; timeout; timeout--) {
1741 snd_pcm_group_for_each_entry(s, substream) {
1742 if (s->pcm->card != substream->pcm->card)
1744 azx_dev = get_azx_dev(s);
1745 if (azx_sd_readb(azx_dev, SD_CTL) &
1755 spin_lock(&chip->reg_lock);
1756 /* reset SYNC bits */
1757 azx_writel(chip, SYNC, azx_readl(chip, SYNC) & ~sbits);
1758 spin_unlock(&chip->reg_lock);
1763 /* get the current DMA position with correction on VIA chips */
1764 static unsigned int azx_via_get_position(struct azx *chip,
1765 struct azx_dev *azx_dev)
1767 unsigned int link_pos, mini_pos, bound_pos;
1768 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
1769 unsigned int fifo_size;
1771 link_pos = azx_sd_readl(azx_dev, SD_LPIB);
1772 if (azx_dev->index >= 4) {
1773 /* Playback, no problem using link position */
1779 * use mod to get the DMA position just like old chipset
1781 mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
1782 mod_dma_pos %= azx_dev->period_bytes;
1784 /* azx_dev->fifo_size can't get FIFO size of in stream.
1785 * Get from base address + offset.
1787 fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
1789 if (azx_dev->insufficient) {
1790 /* Link position never gather than FIFO size */
1791 if (link_pos <= fifo_size)
1794 azx_dev->insufficient = 0;
1797 if (link_pos <= fifo_size)
1798 mini_pos = azx_dev->bufsize + link_pos - fifo_size;
1800 mini_pos = link_pos - fifo_size;
1802 /* Find nearest previous boudary */
1803 mod_mini_pos = mini_pos % azx_dev->period_bytes;
1804 mod_link_pos = link_pos % azx_dev->period_bytes;
1805 if (mod_link_pos >= fifo_size)
1806 bound_pos = link_pos - mod_link_pos;
1807 else if (mod_dma_pos >= mod_mini_pos)
1808 bound_pos = mini_pos - mod_mini_pos;
1810 bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
1811 if (bound_pos >= azx_dev->bufsize)
1815 /* Calculate real DMA position we want */
1816 return bound_pos + mod_dma_pos;
1819 static unsigned int azx_get_position(struct azx *chip,
1820 struct azx_dev *azx_dev)
1824 if (chip->via_dmapos_patch)
1825 pos = azx_via_get_position(chip, azx_dev);
1826 else if (chip->position_fix == POS_FIX_POSBUF ||
1827 chip->position_fix == POS_FIX_AUTO) {
1828 /* use the position buffer */
1829 pos = le32_to_cpu(*azx_dev->posbuf);
1832 pos = azx_sd_readl(azx_dev, SD_LPIB);
1834 if (pos >= azx_dev->bufsize)
1839 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1841 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1842 struct azx *chip = apcm->chip;
1843 struct azx_dev *azx_dev = get_azx_dev(substream);
1844 return bytes_to_frames(substream->runtime,
1845 azx_get_position(chip, azx_dev));
1849 * Check whether the current DMA position is acceptable for updating
1850 * periods. Returns non-zero if it's OK.
1852 * Many HD-audio controllers appear pretty inaccurate about
1853 * the update-IRQ timing. The IRQ is issued before actually the
1854 * data is processed. So, we need to process it afterwords in a
1857 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
1861 if (azx_dev->start_flag &&
1862 time_before_eq(jiffies, azx_dev->start_jiffies))
1863 return -1; /* bogus (too early) interrupt */
1864 azx_dev->start_flag = 0;
1866 pos = azx_get_position(chip, azx_dev);
1867 if (chip->position_fix == POS_FIX_AUTO) {
1870 "hda-intel: Invalid position buffer, "
1871 "using LPIB read method instead.\n");
1872 chip->position_fix = POS_FIX_LPIB;
1873 pos = azx_get_position(chip, azx_dev);
1875 chip->position_fix = POS_FIX_POSBUF;
1878 if (!bdl_pos_adj[chip->dev_index])
1879 return 1; /* no delayed ack */
1880 if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
1881 return 0; /* NG - it's below the period boundary */
1882 return 1; /* OK, it's fine */
1886 * The work for pending PCM period updates.
1888 static void azx_irq_pending_work(struct work_struct *work)
1890 struct azx *chip = container_of(work, struct azx, irq_pending_work);
1893 if (!chip->irq_pending_warned) {
1895 "hda-intel: IRQ timing workaround is activated "
1896 "for card #%d. Suggest a bigger bdl_pos_adj.\n",
1897 chip->card->number);
1898 chip->irq_pending_warned = 1;
1903 spin_lock_irq(&chip->reg_lock);
1904 for (i = 0; i < chip->num_streams; i++) {
1905 struct azx_dev *azx_dev = &chip->azx_dev[i];
1906 if (!azx_dev->irq_pending ||
1907 !azx_dev->substream ||
1910 if (azx_position_ok(chip, azx_dev)) {
1911 azx_dev->irq_pending = 0;
1912 spin_unlock(&chip->reg_lock);
1913 snd_pcm_period_elapsed(azx_dev->substream);
1914 spin_lock(&chip->reg_lock);
1918 spin_unlock_irq(&chip->reg_lock);
1925 /* clear irq_pending flags and assure no on-going workq */
1926 static void azx_clear_irq_pending(struct azx *chip)
1930 spin_lock_irq(&chip->reg_lock);
1931 for (i = 0; i < chip->num_streams; i++)
1932 chip->azx_dev[i].irq_pending = 0;
1933 spin_unlock_irq(&chip->reg_lock);
1936 static struct snd_pcm_ops azx_pcm_ops = {
1937 .open = azx_pcm_open,
1938 .close = azx_pcm_close,
1939 .ioctl = snd_pcm_lib_ioctl,
1940 .hw_params = azx_pcm_hw_params,
1941 .hw_free = azx_pcm_hw_free,
1942 .prepare = azx_pcm_prepare,
1943 .trigger = azx_pcm_trigger,
1944 .pointer = azx_pcm_pointer,
1945 .page = snd_pcm_sgbuf_ops_page,
1948 static void azx_pcm_free(struct snd_pcm *pcm)
1950 struct azx_pcm *apcm = pcm->private_data;
1952 apcm->chip->pcm[pcm->device] = NULL;
1958 azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
1959 struct hda_pcm *cpcm)
1961 struct azx *chip = bus->private_data;
1962 struct snd_pcm *pcm;
1963 struct azx_pcm *apcm;
1964 int pcm_dev = cpcm->device;
1967 if (pcm_dev >= HDA_MAX_PCMS) {
1968 snd_printk(KERN_ERR SFX "Invalid PCM device number %d\n",
1972 if (chip->pcm[pcm_dev]) {
1973 snd_printk(KERN_ERR SFX "PCM %d already exists\n", pcm_dev);
1976 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1977 cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams,
1978 cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams,
1982 strlcpy(pcm->name, cpcm->name, sizeof(pcm->name));
1983 apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
1987 apcm->codec = codec;
1988 pcm->private_data = apcm;
1989 pcm->private_free = azx_pcm_free;
1990 if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM)
1991 pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
1992 chip->pcm[pcm_dev] = pcm;
1994 for (s = 0; s < 2; s++) {
1995 apcm->hinfo[s] = &cpcm->stream[s];
1996 if (cpcm->stream[s].substreams)
1997 snd_pcm_set_ops(pcm, s, &azx_pcm_ops);
1999 /* buffer pre-allocation */
2000 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
2001 snd_dma_pci_data(chip->pci),
2002 1024 * 64, 32 * 1024 * 1024);
2007 * mixer creation - all stuff is implemented in hda module
2009 static int __devinit azx_mixer_create(struct azx *chip)
2011 return snd_hda_build_controls(chip->bus);
2016 * initialize SD streams
2018 static int __devinit azx_init_stream(struct azx *chip)
2022 /* initialize each stream (aka device)
2023 * assign the starting bdl address to each stream (device)
2026 for (i = 0; i < chip->num_streams; i++) {
2027 struct azx_dev *azx_dev = &chip->azx_dev[i];
2028 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
2029 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
2030 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
2031 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
2032 azx_dev->sd_int_sta_mask = 1 << i;
2033 /* stream tag: must be non-zero and unique */
2035 azx_dev->stream_tag = i + 1;
2041 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
2043 if (request_irq(chip->pci->irq, azx_interrupt,
2044 chip->msi ? 0 : IRQF_SHARED,
2045 "HDA Intel", chip)) {
2046 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
2047 "disabling device\n", chip->pci->irq);
2049 snd_card_disconnect(chip->card);
2052 chip->irq = chip->pci->irq;
2053 pci_intx(chip->pci, !chip->msi);
2058 static void azx_stop_chip(struct azx *chip)
2060 if (!chip->initialized)
2063 /* disable interrupts */
2064 azx_int_disable(chip);
2065 azx_int_clear(chip);
2067 /* disable CORB/RIRB */
2068 azx_free_cmd_io(chip);
2070 /* disable position buffer */
2071 azx_writel(chip, DPLBASE, 0);
2072 azx_writel(chip, DPUBASE, 0);
2074 chip->initialized = 0;
2077 #ifdef CONFIG_SND_HDA_POWER_SAVE
2078 /* power-up/down the controller */
2079 static void azx_power_notify(struct hda_bus *bus)
2081 struct azx *chip = bus->private_data;
2082 struct hda_codec *c;
2085 list_for_each_entry(c, &bus->codec_list, list) {
2092 azx_init_chip(chip);
2093 else if (chip->running && power_save_controller &&
2094 !bus->power_keep_link_on)
2095 azx_stop_chip(chip);
2097 #endif /* CONFIG_SND_HDA_POWER_SAVE */
2104 static int snd_hda_codecs_inuse(struct hda_bus *bus)
2106 struct hda_codec *codec;
2108 list_for_each_entry(codec, &bus->codec_list, list) {
2109 if (snd_hda_codec_needs_resume(codec))
2115 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
2117 struct snd_card *card = pci_get_drvdata(pci);
2118 struct azx *chip = card->private_data;
2121 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2122 azx_clear_irq_pending(chip);
2123 for (i = 0; i < HDA_MAX_PCMS; i++)
2124 snd_pcm_suspend_all(chip->pcm[i]);
2125 if (chip->initialized)
2126 snd_hda_suspend(chip->bus);
2127 azx_stop_chip(chip);
2128 if (chip->irq >= 0) {
2129 free_irq(chip->irq, chip);
2133 pci_disable_msi(chip->pci);
2134 pci_disable_device(pci);
2135 pci_save_state(pci);
2136 pci_set_power_state(pci, pci_choose_state(pci, state));
2140 static int azx_resume(struct pci_dev *pci)
2142 struct snd_card *card = pci_get_drvdata(pci);
2143 struct azx *chip = card->private_data;
2145 pci_set_power_state(pci, PCI_D0);
2146 pci_restore_state(pci);
2147 if (pci_enable_device(pci) < 0) {
2148 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
2149 "disabling device\n");
2150 snd_card_disconnect(card);
2153 pci_set_master(pci);
2155 if (pci_enable_msi(pci) < 0)
2157 if (azx_acquire_irq(chip, 1) < 0)
2161 if (snd_hda_codecs_inuse(chip->bus))
2162 azx_init_chip(chip);
2164 snd_hda_resume(chip->bus);
2165 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2168 #endif /* CONFIG_PM */
2172 * reboot notifier for hang-up problem at power-down
2174 static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
2176 struct azx *chip = container_of(nb, struct azx, reboot_notifier);
2177 snd_hda_bus_reboot_notify(chip->bus);
2178 azx_stop_chip(chip);
2182 static void azx_notifier_register(struct azx *chip)
2184 chip->reboot_notifier.notifier_call = azx_halt;
2185 register_reboot_notifier(&chip->reboot_notifier);
2188 static void azx_notifier_unregister(struct azx *chip)
2190 if (chip->reboot_notifier.notifier_call)
2191 unregister_reboot_notifier(&chip->reboot_notifier);
2197 static int azx_free(struct azx *chip)
2201 azx_notifier_unregister(chip);
2203 if (chip->initialized) {
2204 azx_clear_irq_pending(chip);
2205 for (i = 0; i < chip->num_streams; i++)
2206 azx_stream_stop(chip, &chip->azx_dev[i]);
2207 azx_stop_chip(chip);
2211 free_irq(chip->irq, (void*)chip);
2213 pci_disable_msi(chip->pci);
2214 if (chip->remap_addr)
2215 iounmap(chip->remap_addr);
2217 if (chip->azx_dev) {
2218 for (i = 0; i < chip->num_streams; i++)
2219 if (chip->azx_dev[i].bdl.area)
2220 snd_dma_free_pages(&chip->azx_dev[i].bdl);
2223 snd_dma_free_pages(&chip->rb);
2224 if (chip->posbuf.area)
2225 snd_dma_free_pages(&chip->posbuf);
2226 pci_release_regions(chip->pci);
2227 pci_disable_device(chip->pci);
2228 kfree(chip->azx_dev);
2234 static int azx_dev_free(struct snd_device *device)
2236 return azx_free(device->device_data);
2240 * white/black-listing for position_fix
2242 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
2243 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
2244 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
2245 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
2246 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
2247 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
2251 static int __devinit check_position_fix(struct azx *chip, int fix)
2253 const struct snd_pci_quirk *q;
2257 case POS_FIX_POSBUF:
2261 /* Check VIA/ATI HD Audio Controller exist */
2262 switch (chip->driver_type) {
2263 case AZX_DRIVER_VIA:
2264 case AZX_DRIVER_ATI:
2265 chip->via_dmapos_patch = 1;
2266 /* Use link position directly, avoid any transfer problem. */
2267 return POS_FIX_LPIB;
2269 chip->via_dmapos_patch = 0;
2271 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
2274 "hda_intel: position_fix set to %d "
2275 "for device %04x:%04x\n",
2276 q->value, q->subvendor, q->subdevice);
2279 return POS_FIX_AUTO;
2283 * black-lists for probe_mask
2285 static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
2286 /* Thinkpad often breaks the controller communication when accessing
2287 * to the non-working (or non-existing) modem codec slot.
2289 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
2290 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
2291 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
2293 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
2294 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
2295 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
2296 /* forced codec slots */
2297 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
2298 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
2302 #define AZX_FORCE_CODEC_MASK 0x100
2304 static void __devinit check_probe_mask(struct azx *chip, int dev)
2306 const struct snd_pci_quirk *q;
2308 chip->codec_probe_mask = probe_mask[dev];
2309 if (chip->codec_probe_mask == -1) {
2310 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
2313 "hda_intel: probe_mask set to 0x%x "
2314 "for device %04x:%04x\n",
2315 q->value, q->subvendor, q->subdevice);
2316 chip->codec_probe_mask = q->value;
2320 /* check forced option */
2321 if (chip->codec_probe_mask != -1 &&
2322 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
2323 chip->codec_mask = chip->codec_probe_mask & 0xff;
2324 printk(KERN_INFO "hda_intel: codec_mask forced to 0x%x\n",
2330 * white/black-list for enable_msi
2332 static struct snd_pci_quirk msi_black_list[] __devinitdata = {
2333 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
2337 static void __devinit check_msi(struct azx *chip)
2339 const struct snd_pci_quirk *q;
2341 if (enable_msi >= 0) {
2342 chip->msi = !!enable_msi;
2345 chip->msi = 1; /* enable MSI as default */
2346 q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
2349 "hda_intel: msi for device %04x:%04x set to %d\n",
2350 q->subvendor, q->subdevice, q->value);
2351 chip->msi = q->value;
2359 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
2360 int dev, int driver_type,
2365 unsigned short gcap;
2366 static struct snd_device_ops ops = {
2367 .dev_free = azx_dev_free,
2372 err = pci_enable_device(pci);
2376 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2378 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
2379 pci_disable_device(pci);
2383 spin_lock_init(&chip->reg_lock);
2384 mutex_init(&chip->open_mutex);
2388 chip->driver_type = driver_type;
2390 chip->dev_index = dev;
2391 INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
2393 chip->position_fix = check_position_fix(chip, position_fix[dev]);
2394 check_probe_mask(chip, dev);
2396 chip->single_cmd = single_cmd;
2398 if (bdl_pos_adj[dev] < 0) {
2399 switch (chip->driver_type) {
2400 case AZX_DRIVER_ICH:
2401 bdl_pos_adj[dev] = 1;
2404 bdl_pos_adj[dev] = 32;
2409 #if BITS_PER_LONG != 64
2410 /* Fix up base address on ULI M5461 */
2411 if (chip->driver_type == AZX_DRIVER_ULI) {
2413 pci_read_config_word(pci, 0x40, &tmp3);
2414 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
2415 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
2419 err = pci_request_regions(pci, "ICH HD audio");
2422 pci_disable_device(pci);
2426 chip->addr = pci_resource_start(pci, 0);
2427 chip->remap_addr = pci_ioremap_bar(pci, 0);
2428 if (chip->remap_addr == NULL) {
2429 snd_printk(KERN_ERR SFX "ioremap error\n");
2435 if (pci_enable_msi(pci) < 0)
2438 if (azx_acquire_irq(chip, 0) < 0) {
2443 pci_set_master(pci);
2444 synchronize_irq(chip->irq);
2446 gcap = azx_readw(chip, GCAP);
2447 snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
2449 /* disable SB600 64bit support for safety */
2450 if ((chip->driver_type == AZX_DRIVER_ATI) ||
2451 (chip->driver_type == AZX_DRIVER_ATIHDMI)) {
2452 struct pci_dev *p_smbus;
2453 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
2454 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
2457 if (p_smbus->revision < 0x30)
2458 gcap &= ~ICH6_GCAP_64OK;
2459 pci_dev_put(p_smbus);
2463 /* disable 64bit DMA address for Teradici */
2464 /* it does not work with device 6549:1200 subsys e4a2:040b */
2465 if (chip->driver_type == AZX_DRIVER_TERA)
2466 gcap &= ~ICH6_GCAP_64OK;
2468 /* allow 64bit DMA address if supported by H/W */
2469 if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
2470 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
2472 pci_set_dma_mask(pci, DMA_BIT_MASK(32));
2473 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
2476 /* read number of streams from GCAP register instead of using
2479 chip->capture_streams = (gcap >> 8) & 0x0f;
2480 chip->playback_streams = (gcap >> 12) & 0x0f;
2481 if (!chip->playback_streams && !chip->capture_streams) {
2482 /* gcap didn't give any info, switching to old method */
2484 switch (chip->driver_type) {
2485 case AZX_DRIVER_ULI:
2486 chip->playback_streams = ULI_NUM_PLAYBACK;
2487 chip->capture_streams = ULI_NUM_CAPTURE;
2489 case AZX_DRIVER_ATIHDMI:
2490 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
2491 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
2493 case AZX_DRIVER_GENERIC:
2495 chip->playback_streams = ICH6_NUM_PLAYBACK;
2496 chip->capture_streams = ICH6_NUM_CAPTURE;
2500 chip->capture_index_offset = 0;
2501 chip->playback_index_offset = chip->capture_streams;
2502 chip->num_streams = chip->playback_streams + chip->capture_streams;
2503 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
2505 if (!chip->azx_dev) {
2506 snd_printk(KERN_ERR SFX "cannot malloc azx_dev\n");
2510 for (i = 0; i < chip->num_streams; i++) {
2511 /* allocate memory for the BDL for each stream */
2512 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
2513 snd_dma_pci_data(chip->pci),
2514 BDL_SIZE, &chip->azx_dev[i].bdl);
2516 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
2520 /* allocate memory for the position buffer */
2521 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
2522 snd_dma_pci_data(chip->pci),
2523 chip->num_streams * 8, &chip->posbuf);
2525 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
2528 /* allocate CORB/RIRB */
2529 err = azx_alloc_cmd_io(chip);
2533 /* initialize streams */
2534 azx_init_stream(chip);
2536 /* initialize chip */
2538 azx_init_chip(chip);
2540 /* codec detection */
2541 if (!chip->codec_mask) {
2542 snd_printk(KERN_ERR SFX "no codecs found!\n");
2547 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
2549 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
2553 strcpy(card->driver, "HDA-Intel");
2554 strlcpy(card->shortname, driver_short_names[chip->driver_type],
2555 sizeof(card->shortname));
2556 snprintf(card->longname, sizeof(card->longname),
2557 "%s at 0x%lx irq %i",
2558 card->shortname, chip->addr, chip->irq);
2568 static void power_down_all_codecs(struct azx *chip)
2570 #ifdef CONFIG_SND_HDA_POWER_SAVE
2571 /* The codecs were powered up in snd_hda_codec_new().
2572 * Now all initialization done, so turn them down if possible
2574 struct hda_codec *codec;
2575 list_for_each_entry(codec, &chip->bus->codec_list, list) {
2576 snd_hda_power_down(codec);
2581 static int __devinit azx_probe(struct pci_dev *pci,
2582 const struct pci_device_id *pci_id)
2585 struct snd_card *card;
2589 if (dev >= SNDRV_CARDS)
2596 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2598 snd_printk(KERN_ERR SFX "Error creating card!\n");
2602 /* set this here since it's referred in snd_hda_load_patch() */
2603 snd_card_set_dev(card, &pci->dev);
2605 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2608 card->private_data = chip;
2610 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2611 chip->beep_mode = beep_mode[dev];
2614 /* create codec instances */
2615 err = azx_codec_create(chip, model[dev]);
2618 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2620 snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
2622 err = snd_hda_load_patch(chip->bus, patch[dev]);
2627 if (!probe_only[dev]) {
2628 err = azx_codec_configure(chip);
2633 /* create PCM streams */
2634 err = snd_hda_build_pcms(chip->bus);
2638 /* create mixer controls */
2639 err = azx_mixer_create(chip);
2643 err = snd_card_register(card);
2647 pci_set_drvdata(pci, card);
2649 power_down_all_codecs(chip);
2650 azx_notifier_register(chip);
2655 snd_card_free(card);
2659 static void __devexit azx_remove(struct pci_dev *pci)
2661 snd_card_free(pci_get_drvdata(pci));
2662 pci_set_drvdata(pci, NULL);
2666 static struct pci_device_id azx_ids[] = {
2668 { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH },
2669 { PCI_DEVICE(0x8086, 0x27d8), .driver_data = AZX_DRIVER_ICH },
2670 { PCI_DEVICE(0x8086, 0x269a), .driver_data = AZX_DRIVER_ICH },
2671 { PCI_DEVICE(0x8086, 0x284b), .driver_data = AZX_DRIVER_ICH },
2672 { PCI_DEVICE(0x8086, 0x2911), .driver_data = AZX_DRIVER_ICH },
2673 { PCI_DEVICE(0x8086, 0x293e), .driver_data = AZX_DRIVER_ICH },
2674 { PCI_DEVICE(0x8086, 0x293f), .driver_data = AZX_DRIVER_ICH },
2675 { PCI_DEVICE(0x8086, 0x3a3e), .driver_data = AZX_DRIVER_ICH },
2676 { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
2678 { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH },
2680 { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_ICH },
2682 { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
2683 /* ATI SB 450/600 */
2684 { PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
2685 { PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
2687 { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI },
2688 { PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI },
2689 { PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI },
2690 { PCI_DEVICE(0x1002, 0x970f), .driver_data = AZX_DRIVER_ATIHDMI },
2691 { PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI },
2692 { PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI },
2693 { PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI },
2694 { PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI },
2695 { PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI },
2696 { PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI },
2697 { PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI },
2698 { PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI },
2699 { PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI },
2700 { PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI },
2701 /* VIA VT8251/VT8237A */
2702 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2704 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2706 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2708 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2709 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2710 .class_mask = 0xffffff,
2711 .driver_data = AZX_DRIVER_NVIDIA },
2713 { PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
2714 /* Creative X-Fi (CA0110-IBG) */
2715 #if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
2716 /* the following entry conflicts with snd-ctxfi driver,
2717 * as ctxfi driver mutates from HD-audio to native mode with
2718 * a special command sequence.
2720 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2721 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2722 .class_mask = 0xffffff,
2723 .driver_data = AZX_DRIVER_GENERIC },
2725 /* this entry seems still valid -- i.e. without emu20kx chip */
2726 { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_GENERIC },
2728 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2729 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2730 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2731 .class_mask = 0xffffff,
2732 .driver_data = AZX_DRIVER_GENERIC },
2733 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2734 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2735 .class_mask = 0xffffff,
2736 .driver_data = AZX_DRIVER_GENERIC },
2739 MODULE_DEVICE_TABLE(pci, azx_ids);
2741 /* pci_driver definition */
2742 static struct pci_driver driver = {
2743 .name = "HDA Intel",
2744 .id_table = azx_ids,
2746 .remove = __devexit_p(azx_remove),
2748 .suspend = azx_suspend,
2749 .resume = azx_resume,
2753 static int __init alsa_card_azx_init(void)
2755 return pci_register_driver(&driver);
2758 static void __exit alsa_card_azx_exit(void)
2760 pci_unregister_driver(&driver);
2763 module_init(alsa_card_azx_init)
2764 module_exit(alsa_card_azx_exit)