3 * hda_intel.c - Implementation of primary alsa driver code base
6 * Copyright(c) 2004 Intel Corporation. All rights reserved.
8 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
9 * PeiSen Hou <pshou@realtek.com.tw>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
21 * You should have received a copy of the GNU General Public License along with
22 * this program; if not, write to the Free Software Foundation, Inc., 59
23 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 * Matt Jared matt.jared@intel.com
28 * Andy Kopp andy.kopp@intel.com
29 * Dan Kogan dan.d.kogan@intel.com
33 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou
37 #include <linux/delay.h>
38 #include <linux/interrupt.h>
39 #include <linux/kernel.h>
40 #include <linux/module.h>
41 #include <linux/dma-mapping.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 <linux/reboot.h>
49 #include <linux/pm_runtime.h>
51 /* for snoop control */
52 #include <asm/pgtable.h>
53 #include <asm/cacheflush.h>
55 #include <sound/core.h>
56 #include <sound/initval.h>
57 #include <linux/vgaarb.h>
58 #include <linux/vga_switcheroo.h>
59 #include <linux/firmware.h>
60 #include "hda_codec.h"
63 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
64 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
65 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
66 static char *model[SNDRV_CARDS];
67 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
68 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
69 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
70 static int probe_only[SNDRV_CARDS];
71 static bool single_cmd;
72 static int enable_msi = -1;
73 #ifdef CONFIG_SND_HDA_PATCH_LOADER
74 static char *patch[SNDRV_CARDS];
76 #ifdef CONFIG_SND_HDA_INPUT_BEEP
77 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
78 CONFIG_SND_HDA_INPUT_BEEP_MODE};
81 module_param_array(index, int, NULL, 0444);
82 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
83 module_param_array(id, charp, NULL, 0444);
84 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
85 module_param_array(enable, bool, NULL, 0444);
86 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
87 module_param_array(model, charp, NULL, 0444);
88 MODULE_PARM_DESC(model, "Use the given board model.");
89 module_param_array(position_fix, int, NULL, 0444);
90 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
91 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
92 module_param_array(bdl_pos_adj, int, NULL, 0644);
93 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
94 module_param_array(probe_mask, int, NULL, 0444);
95 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
96 module_param_array(probe_only, int, NULL, 0444);
97 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
98 module_param(single_cmd, bool, 0444);
99 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
100 "(for debugging only).");
101 module_param(enable_msi, bint, 0444);
102 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
103 #ifdef CONFIG_SND_HDA_PATCH_LOADER
104 module_param_array(patch, charp, NULL, 0444);
105 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
107 #ifdef CONFIG_SND_HDA_INPUT_BEEP
108 module_param_array(beep_mode, bool, NULL, 0444);
109 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
110 "(0=off, 1=on) (default=1).");
114 static int param_set_xint(const char *val, const struct kernel_param *kp);
115 static struct kernel_param_ops param_ops_xint = {
116 .set = param_set_xint,
117 .get = param_get_int,
119 #define param_check_xint param_check_int
121 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
122 module_param(power_save, xint, 0644);
123 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
124 "(in second, 0 = disable).");
126 /* reset the HD-audio controller in power save mode.
127 * this may give more power-saving, but will take longer time to
130 static bool power_save_controller = 1;
131 module_param(power_save_controller, bool, 0644);
132 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
133 #endif /* CONFIG_PM */
135 static int align_buffer_size = -1;
136 module_param(align_buffer_size, bint, 0644);
137 MODULE_PARM_DESC(align_buffer_size,
138 "Force buffer and period sizes to be multiple of 128 bytes.");
141 static bool hda_snoop = true;
142 module_param_named(snoop, hda_snoop, bool, 0444);
143 MODULE_PARM_DESC(snoop, "Enable/disable snooping");
144 #define azx_snoop(chip) (chip)->snoop
146 #define hda_snoop true
147 #define azx_snoop(chip) true
151 MODULE_LICENSE("GPL");
152 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
183 MODULE_DESCRIPTION("Intel HDA driver");
185 #ifdef CONFIG_SND_VERBOSE_PRINTK
186 #define SFX /* nop */
188 #define SFX "hda-intel: "
191 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
192 #ifdef CONFIG_SND_HDA_CODEC_HDMI
193 #define SUPPORT_VGA_SWITCHEROO
201 #define ICH6_REG_GCAP 0x00
202 #define ICH6_GCAP_64OK (1 << 0) /* 64bit address support */
203 #define ICH6_GCAP_NSDO (3 << 1) /* # of serial data out signals */
204 #define ICH6_GCAP_BSS (31 << 3) /* # of bidirectional streams */
205 #define ICH6_GCAP_ISS (15 << 8) /* # of input streams */
206 #define ICH6_GCAP_OSS (15 << 12) /* # of output streams */
207 #define ICH6_REG_VMIN 0x02
208 #define ICH6_REG_VMAJ 0x03
209 #define ICH6_REG_OUTPAY 0x04
210 #define ICH6_REG_INPAY 0x06
211 #define ICH6_REG_GCTL 0x08
212 #define ICH6_GCTL_RESET (1 << 0) /* controller reset */
213 #define ICH6_GCTL_FCNTRL (1 << 1) /* flush control */
214 #define ICH6_GCTL_UNSOL (1 << 8) /* accept unsol. response enable */
215 #define ICH6_REG_WAKEEN 0x0c
216 #define ICH6_REG_STATESTS 0x0e
217 #define ICH6_REG_GSTS 0x10
218 #define ICH6_GSTS_FSTS (1 << 1) /* flush status */
219 #define ICH6_REG_INTCTL 0x20
220 #define ICH6_REG_INTSTS 0x24
221 #define ICH6_REG_WALLCLK 0x30 /* 24Mhz source */
222 #define ICH6_REG_OLD_SSYNC 0x34 /* SSYNC for old ICH */
223 #define ICH6_REG_SSYNC 0x38
224 #define ICH6_REG_CORBLBASE 0x40
225 #define ICH6_REG_CORBUBASE 0x44
226 #define ICH6_REG_CORBWP 0x48
227 #define ICH6_REG_CORBRP 0x4a
228 #define ICH6_CORBRP_RST (1 << 15) /* read pointer reset */
229 #define ICH6_REG_CORBCTL 0x4c
230 #define ICH6_CORBCTL_RUN (1 << 1) /* enable DMA */
231 #define ICH6_CORBCTL_CMEIE (1 << 0) /* enable memory error irq */
232 #define ICH6_REG_CORBSTS 0x4d
233 #define ICH6_CORBSTS_CMEI (1 << 0) /* memory error indication */
234 #define ICH6_REG_CORBSIZE 0x4e
236 #define ICH6_REG_RIRBLBASE 0x50
237 #define ICH6_REG_RIRBUBASE 0x54
238 #define ICH6_REG_RIRBWP 0x58
239 #define ICH6_RIRBWP_RST (1 << 15) /* write pointer reset */
240 #define ICH6_REG_RINTCNT 0x5a
241 #define ICH6_REG_RIRBCTL 0x5c
242 #define ICH6_RBCTL_IRQ_EN (1 << 0) /* enable IRQ */
243 #define ICH6_RBCTL_DMA_EN (1 << 1) /* enable DMA */
244 #define ICH6_RBCTL_OVERRUN_EN (1 << 2) /* enable overrun irq */
245 #define ICH6_REG_RIRBSTS 0x5d
246 #define ICH6_RBSTS_IRQ (1 << 0) /* response irq */
247 #define ICH6_RBSTS_OVERRUN (1 << 2) /* overrun irq */
248 #define ICH6_REG_RIRBSIZE 0x5e
250 #define ICH6_REG_IC 0x60
251 #define ICH6_REG_IR 0x64
252 #define ICH6_REG_IRS 0x68
253 #define ICH6_IRS_VALID (1<<1)
254 #define ICH6_IRS_BUSY (1<<0)
256 #define ICH6_REG_DPLBASE 0x70
257 #define ICH6_REG_DPUBASE 0x74
258 #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
260 /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
261 enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
263 /* stream register offsets from stream base */
264 #define ICH6_REG_SD_CTL 0x00
265 #define ICH6_REG_SD_STS 0x03
266 #define ICH6_REG_SD_LPIB 0x04
267 #define ICH6_REG_SD_CBL 0x08
268 #define ICH6_REG_SD_LVI 0x0c
269 #define ICH6_REG_SD_FIFOW 0x0e
270 #define ICH6_REG_SD_FIFOSIZE 0x10
271 #define ICH6_REG_SD_FORMAT 0x12
272 #define ICH6_REG_SD_BDLPL 0x18
273 #define ICH6_REG_SD_BDLPU 0x1c
276 #define ICH6_PCIREG_TCSEL 0x44
282 /* max number of SDs */
283 /* ICH, ATI and VIA have 4 playback and 4 capture */
284 #define ICH6_NUM_CAPTURE 4
285 #define ICH6_NUM_PLAYBACK 4
287 /* ULI has 6 playback and 5 capture */
288 #define ULI_NUM_CAPTURE 5
289 #define ULI_NUM_PLAYBACK 6
291 /* ATI HDMI has 1 playback and 0 capture */
292 #define ATIHDMI_NUM_CAPTURE 0
293 #define ATIHDMI_NUM_PLAYBACK 1
295 /* TERA has 4 playback and 3 capture */
296 #define TERA_NUM_CAPTURE 3
297 #define TERA_NUM_PLAYBACK 4
299 /* this number is statically defined for simplicity */
300 #define MAX_AZX_DEV 16
302 /* max number of fragments - we may use more if allocating more pages for BDL */
303 #define BDL_SIZE 4096
304 #define AZX_MAX_BDL_ENTRIES (BDL_SIZE / 16)
305 #define AZX_MAX_FRAG 32
306 /* max buffer size - no h/w limit, you can increase as you like */
307 #define AZX_MAX_BUF_SIZE (1024*1024*1024)
309 /* RIRB int mask: overrun[2], response[0] */
310 #define RIRB_INT_RESPONSE 0x01
311 #define RIRB_INT_OVERRUN 0x04
312 #define RIRB_INT_MASK 0x05
314 /* STATESTS int mask: S3,SD2,SD1,SD0 */
315 #define AZX_MAX_CODECS 8
316 #define AZX_DEFAULT_CODECS 4
317 #define STATESTS_INT_MASK ((1 << AZX_MAX_CODECS) - 1)
320 #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
321 #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
322 #define SD_CTL_STRIPE (3 << 16) /* stripe control */
323 #define SD_CTL_TRAFFIC_PRIO (1 << 18) /* traffic priority */
324 #define SD_CTL_DIR (1 << 19) /* bi-directional stream */
325 #define SD_CTL_STREAM_TAG_MASK (0xf << 20)
326 #define SD_CTL_STREAM_TAG_SHIFT 20
328 /* SD_CTL and SD_STS */
329 #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
330 #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
331 #define SD_INT_COMPLETE 0x04 /* completion interrupt */
332 #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
336 #define SD_STS_FIFO_READY 0x20 /* FIFO ready */
338 /* INTCTL and INTSTS */
339 #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
340 #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
341 #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
343 /* below are so far hardcoded - should read registers in future */
344 #define ICH6_MAX_CORB_ENTRIES 256
345 #define ICH6_MAX_RIRB_ENTRIES 256
347 /* position fix mode */
356 /* Defines for ATI HD Audio support in SB450 south bridge */
357 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
358 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
360 /* Defines for Nvidia HDA support */
361 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
362 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
363 #define NVIDIA_HDA_ISTRM_COH 0x4d
364 #define NVIDIA_HDA_OSTRM_COH 0x4c
365 #define NVIDIA_HDA_ENABLE_COHBIT 0x01
367 /* Defines for Intel SCH HDA snoop control */
368 #define INTEL_SCH_HDA_DEVC 0x78
369 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
371 /* Define IN stream 0 FIFO size offset in VIA controller */
372 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
373 /* Define VIA HD Audio Device ID*/
374 #define VIA_HDAC_DEVICE_ID 0x3288
376 /* HD Audio class code */
377 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
383 struct snd_dma_buffer bdl; /* BDL buffer */
384 u32 *posbuf; /* position buffer pointer */
386 unsigned int bufsize; /* size of the play buffer in bytes */
387 unsigned int period_bytes; /* size of the period in bytes */
388 unsigned int frags; /* number for period in the play buffer */
389 unsigned int fifo_size; /* FIFO size */
390 unsigned long start_wallclk; /* start + minimum wallclk */
391 unsigned long period_wallclk; /* wallclk for period */
393 void __iomem *sd_addr; /* stream descriptor pointer */
395 u32 sd_int_sta_mask; /* stream int status mask */
398 struct snd_pcm_substream *substream; /* assigned substream,
401 unsigned int format_val; /* format value to be set in the
402 * controller and the codec
404 unsigned char stream_tag; /* assigned stream */
405 unsigned char index; /* stream index */
406 int assigned_key; /* last device# key assigned to */
408 unsigned int opened :1;
409 unsigned int running :1;
410 unsigned int irq_pending :1;
413 * A flag to ensure DMA position is 0
414 * when link position is not greater than FIFO size
416 unsigned int insufficient :1;
417 unsigned int wc_marked:1;
418 unsigned int no_period_wakeup:1;
423 u32 *buf; /* CORB/RIRB buffer
424 * Each CORB entry is 4byte, RIRB is 8byte
426 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
428 unsigned short rp, wp; /* read/write pointers */
429 int cmds[AZX_MAX_CODECS]; /* number of pending requests */
430 u32 res[AZX_MAX_CODECS]; /* last read value */
436 struct hda_codec *codec;
437 struct hda_pcm_stream *hinfo[2];
438 struct list_head list;
442 struct snd_card *card;
446 /* chip type specific */
448 unsigned int driver_caps;
449 int playback_streams;
450 int playback_index_offset;
452 int capture_index_offset;
457 void __iomem *remap_addr;
462 struct mutex open_mutex;
464 /* streams (x num_streams) */
465 struct azx_dev *azx_dev;
468 struct list_head pcm_list; /* azx_pcm list */
471 unsigned short codec_mask;
472 int codec_probe_mask; /* copied from probe_mask option */
474 unsigned int beep_mode;
480 /* CORB/RIRB and position buffers */
481 struct snd_dma_buffer rb;
482 struct snd_dma_buffer posbuf;
484 #ifdef CONFIG_SND_HDA_PATCH_LOADER
485 const struct firmware *fw;
489 int position_fix[2]; /* for both playback/capture streams */
491 unsigned int running :1;
492 unsigned int initialized :1;
493 unsigned int single_cmd :1;
494 unsigned int polling_mode :1;
496 unsigned int irq_pending_warned :1;
497 unsigned int probing :1; /* codec probing phase */
498 unsigned int snoop:1;
499 unsigned int align_buffer_size:1;
500 unsigned int region_requested:1;
502 /* VGA-switcheroo setup */
503 unsigned int use_vga_switcheroo:1;
504 unsigned int init_failed:1; /* delayed init failed */
505 unsigned int disabled:1; /* disabled by VGA-switcher */
508 unsigned int last_cmd[AZX_MAX_CODECS];
510 /* for pending irqs */
511 struct work_struct irq_pending_work;
513 /* reboot notifier (for mysterious hangup problem at power-down) */
514 struct notifier_block reboot_notifier;
516 /* card list (for power_save trigger) */
517 struct list_head list;
527 AZX_DRIVER_ATIHDMI_NS,
536 AZX_NUM_DRIVERS, /* keep this as last entry */
539 /* driver quirks (capabilities) */
540 /* bits 0-7 are used for indicating driver type */
541 #define AZX_DCAPS_NO_TCSEL (1 << 8) /* No Intel TCSEL bit */
542 #define AZX_DCAPS_NO_MSI (1 << 9) /* No MSI support */
543 #define AZX_DCAPS_ATI_SNOOP (1 << 10) /* ATI snoop enable */
544 #define AZX_DCAPS_NVIDIA_SNOOP (1 << 11) /* Nvidia snoop enable */
545 #define AZX_DCAPS_SCH_SNOOP (1 << 12) /* SCH/PCH snoop enable */
546 #define AZX_DCAPS_RIRB_DELAY (1 << 13) /* Long delay in read loop */
547 #define AZX_DCAPS_RIRB_PRE_DELAY (1 << 14) /* Put a delay before read */
548 #define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */
549 #define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */
550 #define AZX_DCAPS_POSFIX_VIA (1 << 17) /* Use VIACOMBO as default */
551 #define AZX_DCAPS_NO_64BIT (1 << 18) /* No 64bit address */
552 #define AZX_DCAPS_SYNC_WRITE (1 << 19) /* sync each cmd write */
553 #define AZX_DCAPS_OLD_SSYNC (1 << 20) /* Old SSYNC reg for ICH */
554 #define AZX_DCAPS_BUFSIZE (1 << 21) /* no buffer size alignment */
555 #define AZX_DCAPS_ALIGN_BUFSIZE (1 << 22) /* buffer size alignment */
556 #define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23) /* BDLE in 4k boundary */
557 #define AZX_DCAPS_POSFIX_COMBO (1 << 24) /* Use COMBO as default */
558 #define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25) /* Take LPIB as delay */
560 /* quirks for ATI SB / AMD Hudson */
561 #define AZX_DCAPS_PRESET_ATI_SB \
562 (AZX_DCAPS_ATI_SNOOP | AZX_DCAPS_NO_TCSEL | \
563 AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
565 /* quirks for ATI/AMD HDMI */
566 #define AZX_DCAPS_PRESET_ATI_HDMI \
567 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
569 /* quirks for Nvidia */
570 #define AZX_DCAPS_PRESET_NVIDIA \
571 (AZX_DCAPS_NVIDIA_SNOOP | AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI |\
572 AZX_DCAPS_ALIGN_BUFSIZE)
574 #define AZX_DCAPS_PRESET_CTHDA \
575 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_4K_BDLE_BOUNDARY)
578 * VGA-switcher support
580 #ifdef SUPPORT_VGA_SWITCHEROO
581 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
583 #define use_vga_switcheroo(chip) 0
586 #if defined(SUPPORT_VGA_SWITCHEROO) || defined(CONFIG_SND_HDA_PATCH_LOADER)
587 #define DELAYED_INIT_MARK
588 #define DELAYED_INITDATA_MARK
590 #define DELAYED_INIT_MARK __devinit
591 #define DELAYED_INITDATA_MARK __devinitdata
594 static char *driver_short_names[] DELAYED_INITDATA_MARK = {
595 [AZX_DRIVER_ICH] = "HDA Intel",
596 [AZX_DRIVER_PCH] = "HDA Intel PCH",
597 [AZX_DRIVER_SCH] = "HDA Intel MID",
598 [AZX_DRIVER_ATI] = "HDA ATI SB",
599 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
600 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
601 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
602 [AZX_DRIVER_SIS] = "HDA SIS966",
603 [AZX_DRIVER_ULI] = "HDA ULI M5461",
604 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
605 [AZX_DRIVER_TERA] = "HDA Teradici",
606 [AZX_DRIVER_CTX] = "HDA Creative",
607 [AZX_DRIVER_CTHDA] = "HDA Creative",
608 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
612 * macros for easy use
614 #define azx_writel(chip,reg,value) \
615 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
616 #define azx_readl(chip,reg) \
617 readl((chip)->remap_addr + ICH6_REG_##reg)
618 #define azx_writew(chip,reg,value) \
619 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
620 #define azx_readw(chip,reg) \
621 readw((chip)->remap_addr + ICH6_REG_##reg)
622 #define azx_writeb(chip,reg,value) \
623 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
624 #define azx_readb(chip,reg) \
625 readb((chip)->remap_addr + ICH6_REG_##reg)
627 #define azx_sd_writel(dev,reg,value) \
628 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
629 #define azx_sd_readl(dev,reg) \
630 readl((dev)->sd_addr + ICH6_REG_##reg)
631 #define azx_sd_writew(dev,reg,value) \
632 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
633 #define azx_sd_readw(dev,reg) \
634 readw((dev)->sd_addr + ICH6_REG_##reg)
635 #define azx_sd_writeb(dev,reg,value) \
636 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
637 #define azx_sd_readb(dev,reg) \
638 readb((dev)->sd_addr + ICH6_REG_##reg)
640 /* for pcm support */
641 #define get_azx_dev(substream) (substream->runtime->private_data)
644 static void __mark_pages_wc(struct azx *chip, void *addr, size_t size, bool on)
649 int pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
651 set_memory_wc((unsigned long)addr, pages);
653 set_memory_wb((unsigned long)addr, pages);
657 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
660 __mark_pages_wc(chip, buf->area, buf->bytes, on);
662 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
663 struct snd_pcm_runtime *runtime, bool on)
665 if (azx_dev->wc_marked != on) {
666 __mark_pages_wc(chip, runtime->dma_area, runtime->dma_bytes, on);
667 azx_dev->wc_marked = on;
671 /* NOP for other archs */
672 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
676 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
677 struct snd_pcm_runtime *runtime, bool on)
682 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
683 static int azx_send_cmd(struct hda_bus *bus, unsigned int val);
685 * Interface for HD codec
689 * CORB / RIRB interface
691 static int azx_alloc_cmd_io(struct azx *chip)
695 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
696 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
697 snd_dma_pci_data(chip->pci),
698 PAGE_SIZE, &chip->rb);
700 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
703 mark_pages_wc(chip, &chip->rb, true);
707 static void azx_init_cmd_io(struct azx *chip)
709 spin_lock_irq(&chip->reg_lock);
711 chip->corb.addr = chip->rb.addr;
712 chip->corb.buf = (u32 *)chip->rb.area;
713 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
714 azx_writel(chip, CORBUBASE, upper_32_bits(chip->corb.addr));
716 /* set the corb size to 256 entries (ULI requires explicitly) */
717 azx_writeb(chip, CORBSIZE, 0x02);
718 /* set the corb write pointer to 0 */
719 azx_writew(chip, CORBWP, 0);
720 /* reset the corb hw read pointer */
721 azx_writew(chip, CORBRP, ICH6_CORBRP_RST);
722 /* enable corb dma */
723 azx_writeb(chip, CORBCTL, ICH6_CORBCTL_RUN);
726 chip->rirb.addr = chip->rb.addr + 2048;
727 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
728 chip->rirb.wp = chip->rirb.rp = 0;
729 memset(chip->rirb.cmds, 0, sizeof(chip->rirb.cmds));
730 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
731 azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
733 /* set the rirb size to 256 entries (ULI requires explicitly) */
734 azx_writeb(chip, RIRBSIZE, 0x02);
735 /* reset the rirb hw write pointer */
736 azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
737 /* set N=1, get RIRB response interrupt for new entry */
738 if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND)
739 azx_writew(chip, RINTCNT, 0xc0);
741 azx_writew(chip, RINTCNT, 1);
742 /* enable rirb dma and response irq */
743 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
744 spin_unlock_irq(&chip->reg_lock);
747 static void azx_free_cmd_io(struct azx *chip)
749 spin_lock_irq(&chip->reg_lock);
750 /* disable ringbuffer DMAs */
751 azx_writeb(chip, RIRBCTL, 0);
752 azx_writeb(chip, CORBCTL, 0);
753 spin_unlock_irq(&chip->reg_lock);
756 static unsigned int azx_command_addr(u32 cmd)
758 unsigned int addr = cmd >> 28;
760 if (addr >= AZX_MAX_CODECS) {
768 static unsigned int azx_response_addr(u32 res)
770 unsigned int addr = res & 0xf;
772 if (addr >= AZX_MAX_CODECS) {
781 static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
783 struct azx *chip = bus->private_data;
784 unsigned int addr = azx_command_addr(val);
787 spin_lock_irq(&chip->reg_lock);
789 /* add command to corb */
790 wp = azx_readb(chip, CORBWP);
792 wp %= ICH6_MAX_CORB_ENTRIES;
794 chip->rirb.cmds[addr]++;
795 chip->corb.buf[wp] = cpu_to_le32(val);
796 azx_writel(chip, CORBWP, wp);
798 spin_unlock_irq(&chip->reg_lock);
803 #define ICH6_RIRB_EX_UNSOL_EV (1<<4)
805 /* retrieve RIRB entry - called from interrupt handler */
806 static void azx_update_rirb(struct azx *chip)
812 wp = azx_readb(chip, RIRBWP);
813 if (wp == chip->rirb.wp)
817 while (chip->rirb.rp != wp) {
819 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
821 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
822 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
823 res = le32_to_cpu(chip->rirb.buf[rp]);
824 addr = azx_response_addr(res_ex);
825 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
826 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
827 else if (chip->rirb.cmds[addr]) {
828 chip->rirb.res[addr] = res;
830 chip->rirb.cmds[addr]--;
832 snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
835 chip->last_cmd[addr]);
839 /* receive a response */
840 static unsigned int azx_rirb_get_response(struct hda_bus *bus,
843 struct azx *chip = bus->private_data;
844 unsigned long timeout;
845 unsigned long loopcounter;
849 timeout = jiffies + msecs_to_jiffies(1000);
851 for (loopcounter = 0;; loopcounter++) {
852 if (chip->polling_mode || do_poll) {
853 spin_lock_irq(&chip->reg_lock);
854 azx_update_rirb(chip);
855 spin_unlock_irq(&chip->reg_lock);
857 if (!chip->rirb.cmds[addr]) {
862 chip->poll_count = 0;
863 return chip->rirb.res[addr]; /* the last value */
865 if (time_after(jiffies, timeout))
867 if (bus->needs_damn_long_delay || loopcounter > 3000)
868 msleep(2); /* temporary workaround */
875 if (!chip->polling_mode && chip->poll_count < 2) {
876 snd_printdd(SFX "azx_get_response timeout, "
877 "polling the codec once: last cmd=0x%08x\n",
878 chip->last_cmd[addr]);
885 if (!chip->polling_mode) {
886 snd_printk(KERN_WARNING SFX "azx_get_response timeout, "
887 "switching to polling mode: last cmd=0x%08x\n",
888 chip->last_cmd[addr]);
889 chip->polling_mode = 1;
894 snd_printk(KERN_WARNING SFX "No response from codec, "
895 "disabling MSI: last cmd=0x%08x\n",
896 chip->last_cmd[addr]);
897 free_irq(chip->irq, chip);
899 pci_disable_msi(chip->pci);
901 if (azx_acquire_irq(chip, 1) < 0) {
909 /* If this critical timeout happens during the codec probing
910 * phase, this is likely an access to a non-existing codec
911 * slot. Better to return an error and reset the system.
916 /* a fatal communication error; need either to reset or to fallback
917 * to the single_cmd mode
920 if (bus->allow_bus_reset && !bus->response_reset && !bus->in_reset) {
921 bus->response_reset = 1;
922 return -1; /* give a chance to retry */
925 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
926 "switching to single_cmd mode: last cmd=0x%08x\n",
927 chip->last_cmd[addr]);
928 chip->single_cmd = 1;
929 bus->response_reset = 0;
930 /* release CORB/RIRB */
931 azx_free_cmd_io(chip);
932 /* disable unsolicited responses */
933 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_UNSOL);
938 * Use the single immediate command instead of CORB/RIRB for simplicity
940 * Note: according to Intel, this is not preferred use. The command was
941 * intended for the BIOS only, and may get confused with unsolicited
942 * responses. So, we shouldn't use it for normal operation from the
944 * I left the codes, however, for debugging/testing purposes.
947 /* receive a response */
948 static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
953 /* check IRV busy bit */
954 if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
955 /* reuse rirb.res as the response return value */
956 chip->rirb.res[addr] = azx_readl(chip, IR);
961 if (printk_ratelimit())
962 snd_printd(SFX "get_response timeout: IRS=0x%x\n",
963 azx_readw(chip, IRS));
964 chip->rirb.res[addr] = -1;
969 static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
971 struct azx *chip = bus->private_data;
972 unsigned int addr = azx_command_addr(val);
977 /* check ICB busy bit */
978 if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
979 /* Clear IRV valid bit */
980 azx_writew(chip, IRS, azx_readw(chip, IRS) |
982 azx_writel(chip, IC, val);
983 azx_writew(chip, IRS, azx_readw(chip, IRS) |
985 return azx_single_wait_for_response(chip, addr);
989 if (printk_ratelimit())
990 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
991 azx_readw(chip, IRS), val);
995 /* receive a response */
996 static unsigned int azx_single_get_response(struct hda_bus *bus,
999 struct azx *chip = bus->private_data;
1000 return chip->rirb.res[addr];
1004 * The below are the main callbacks from hda_codec.
1006 * They are just the skeleton to call sub-callbacks according to the
1007 * current setting of chip->single_cmd.
1010 /* send a command */
1011 static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
1013 struct azx *chip = bus->private_data;
1017 chip->last_cmd[azx_command_addr(val)] = val;
1018 if (chip->single_cmd)
1019 return azx_single_send_cmd(bus, val);
1021 return azx_corb_send_cmd(bus, val);
1024 /* get a response */
1025 static unsigned int azx_get_response(struct hda_bus *bus,
1028 struct azx *chip = bus->private_data;
1031 if (chip->single_cmd)
1032 return azx_single_get_response(bus, addr);
1034 return azx_rirb_get_response(bus, addr);
1038 static void azx_power_notify(struct hda_bus *bus, bool power_up);
1041 /* reset codec link */
1042 static int azx_reset(struct azx *chip, int full_reset)
1049 /* clear STATESTS */
1050 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
1052 /* reset controller */
1053 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
1056 while (azx_readb(chip, GCTL) && --count)
1059 /* delay for >= 100us for codec PLL to settle per spec
1060 * Rev 0.9 section 5.5.1
1064 /* Bring controller out of reset */
1065 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
1068 while (!azx_readb(chip, GCTL) && --count)
1071 /* Brent Chartrand said to wait >= 540us for codecs to initialize */
1075 /* check to see if controller is ready */
1076 if (!azx_readb(chip, GCTL)) {
1077 snd_printd(SFX "azx_reset: controller not ready!\n");
1081 /* Accept unsolicited responses */
1082 if (!chip->single_cmd)
1083 azx_writel(chip, GCTL, azx_readl(chip, GCTL) |
1087 if (!chip->codec_mask) {
1088 chip->codec_mask = azx_readw(chip, STATESTS);
1089 snd_printdd(SFX "codec_mask = 0x%x\n", chip->codec_mask);
1097 * Lowlevel interface
1100 /* enable interrupts */
1101 static void azx_int_enable(struct azx *chip)
1103 /* enable controller CIE and GIE */
1104 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
1105 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
1108 /* disable interrupts */
1109 static void azx_int_disable(struct azx *chip)
1113 /* disable interrupts in stream descriptor */
1114 for (i = 0; i < chip->num_streams; i++) {
1115 struct azx_dev *azx_dev = &chip->azx_dev[i];
1116 azx_sd_writeb(azx_dev, SD_CTL,
1117 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
1120 /* disable SIE for all streams */
1121 azx_writeb(chip, INTCTL, 0);
1123 /* disable controller CIE and GIE */
1124 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
1125 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
1128 /* clear interrupts */
1129 static void azx_int_clear(struct azx *chip)
1133 /* clear stream status */
1134 for (i = 0; i < chip->num_streams; i++) {
1135 struct azx_dev *azx_dev = &chip->azx_dev[i];
1136 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
1139 /* clear STATESTS */
1140 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
1142 /* clear rirb status */
1143 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
1145 /* clear int status */
1146 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
1149 /* start a stream */
1150 static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
1153 * Before stream start, initialize parameter
1155 azx_dev->insufficient = 1;
1158 azx_writel(chip, INTCTL,
1159 azx_readl(chip, INTCTL) | (1 << azx_dev->index));
1160 /* set DMA start and interrupt mask */
1161 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
1162 SD_CTL_DMA_START | SD_INT_MASK);
1166 static void azx_stream_clear(struct azx *chip, struct azx_dev *azx_dev)
1168 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
1169 ~(SD_CTL_DMA_START | SD_INT_MASK));
1170 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
1174 static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
1176 azx_stream_clear(chip, azx_dev);
1178 azx_writel(chip, INTCTL,
1179 azx_readl(chip, INTCTL) & ~(1 << azx_dev->index));
1184 * reset and start the controller registers
1186 static void azx_init_chip(struct azx *chip, int full_reset)
1188 if (chip->initialized)
1191 /* reset controller */
1192 azx_reset(chip, full_reset);
1194 /* initialize interrupts */
1195 azx_int_clear(chip);
1196 azx_int_enable(chip);
1198 /* initialize the codec command I/O */
1199 if (!chip->single_cmd)
1200 azx_init_cmd_io(chip);
1202 /* program the position buffer */
1203 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
1204 azx_writel(chip, DPUBASE, upper_32_bits(chip->posbuf.addr));
1206 chip->initialized = 1;
1210 * initialize the PCI registers
1212 /* update bits in a PCI register byte */
1213 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
1214 unsigned char mask, unsigned char val)
1218 pci_read_config_byte(pci, reg, &data);
1220 data |= (val & mask);
1221 pci_write_config_byte(pci, reg, data);
1224 static void azx_init_pci(struct azx *chip)
1226 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
1227 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
1228 * Ensuring these bits are 0 clears playback static on some HD Audio
1230 * The PCI register TCSEL is defined in the Intel manuals.
1232 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
1233 snd_printdd(SFX "Clearing TCSEL\n");
1234 update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
1237 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
1238 * we need to enable snoop.
1240 if (chip->driver_caps & AZX_DCAPS_ATI_SNOOP) {
1241 snd_printdd(SFX "Setting ATI snoop: %d\n", azx_snoop(chip));
1242 update_pci_byte(chip->pci,
1243 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
1244 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
1247 /* For NVIDIA HDA, enable snoop */
1248 if (chip->driver_caps & AZX_DCAPS_NVIDIA_SNOOP) {
1249 snd_printdd(SFX "Setting Nvidia snoop: %d\n", azx_snoop(chip));
1250 update_pci_byte(chip->pci,
1251 NVIDIA_HDA_TRANSREG_ADDR,
1252 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
1253 update_pci_byte(chip->pci,
1254 NVIDIA_HDA_ISTRM_COH,
1255 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1256 update_pci_byte(chip->pci,
1257 NVIDIA_HDA_OSTRM_COH,
1258 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1261 /* Enable SCH/PCH snoop if needed */
1262 if (chip->driver_caps & AZX_DCAPS_SCH_SNOOP) {
1263 unsigned short snoop;
1264 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
1265 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
1266 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
1267 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
1268 if (!azx_snoop(chip))
1269 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
1270 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
1271 pci_read_config_word(chip->pci,
1272 INTEL_SCH_HDA_DEVC, &snoop);
1274 snd_printdd(SFX "SCH snoop: %s\n",
1275 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)
1276 ? "Disabled" : "Enabled");
1281 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
1286 static irqreturn_t azx_interrupt(int irq, void *dev_id)
1288 struct azx *chip = dev_id;
1289 struct azx_dev *azx_dev;
1294 #ifdef CONFIG_PM_RUNTIME
1295 if (chip->pci->dev.power.runtime_status != RPM_ACTIVE)
1299 spin_lock(&chip->reg_lock);
1301 if (chip->disabled) {
1302 spin_unlock(&chip->reg_lock);
1306 status = azx_readl(chip, INTSTS);
1308 spin_unlock(&chip->reg_lock);
1312 for (i = 0; i < chip->num_streams; i++) {
1313 azx_dev = &chip->azx_dev[i];
1314 if (status & azx_dev->sd_int_sta_mask) {
1315 sd_status = azx_sd_readb(azx_dev, SD_STS);
1316 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
1317 if (!azx_dev->substream || !azx_dev->running ||
1318 !(sd_status & SD_INT_COMPLETE))
1320 /* check whether this IRQ is really acceptable */
1321 ok = azx_position_ok(chip, azx_dev);
1323 azx_dev->irq_pending = 0;
1324 spin_unlock(&chip->reg_lock);
1325 snd_pcm_period_elapsed(azx_dev->substream);
1326 spin_lock(&chip->reg_lock);
1327 } else if (ok == 0 && chip->bus && chip->bus->workq) {
1328 /* bogus IRQ, process it later */
1329 azx_dev->irq_pending = 1;
1330 queue_work(chip->bus->workq,
1331 &chip->irq_pending_work);
1336 /* clear rirb int */
1337 status = azx_readb(chip, RIRBSTS);
1338 if (status & RIRB_INT_MASK) {
1339 if (status & RIRB_INT_RESPONSE) {
1340 if (chip->driver_caps & AZX_DCAPS_RIRB_PRE_DELAY)
1342 azx_update_rirb(chip);
1344 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
1348 /* clear state status int */
1349 if (azx_readb(chip, STATESTS) & 0x04)
1350 azx_writeb(chip, STATESTS, 0x04);
1352 spin_unlock(&chip->reg_lock);
1359 * set up a BDL entry
1361 static int setup_bdle(struct azx *chip,
1362 struct snd_pcm_substream *substream,
1363 struct azx_dev *azx_dev, u32 **bdlp,
1364 int ofs, int size, int with_ioc)
1372 if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
1375 addr = snd_pcm_sgbuf_get_addr(substream, ofs);
1376 /* program the address field of the BDL entry */
1377 bdl[0] = cpu_to_le32((u32)addr);
1378 bdl[1] = cpu_to_le32(upper_32_bits(addr));
1379 /* program the size field of the BDL entry */
1380 chunk = snd_pcm_sgbuf_get_chunk_size(substream, ofs, size);
1381 /* one BDLE cannot cross 4K boundary on CTHDA chips */
1382 if (chip->driver_caps & AZX_DCAPS_4K_BDLE_BOUNDARY) {
1383 u32 remain = 0x1000 - (ofs & 0xfff);
1387 bdl[2] = cpu_to_le32(chunk);
1388 /* program the IOC to enable interrupt
1389 * only when the whole fragment is processed
1392 bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
1402 * set up BDL entries
1404 static int azx_setup_periods(struct azx *chip,
1405 struct snd_pcm_substream *substream,
1406 struct azx_dev *azx_dev)
1409 int i, ofs, periods, period_bytes;
1412 /* reset BDL address */
1413 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1414 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1416 period_bytes = azx_dev->period_bytes;
1417 periods = azx_dev->bufsize / period_bytes;
1419 /* program the initial BDL entries */
1420 bdl = (u32 *)azx_dev->bdl.area;
1423 pos_adj = bdl_pos_adj[chip->dev_index];
1424 if (!azx_dev->no_period_wakeup && pos_adj > 0) {
1425 struct snd_pcm_runtime *runtime = substream->runtime;
1426 int pos_align = pos_adj;
1427 pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
1429 pos_adj = pos_align;
1431 pos_adj = ((pos_adj + pos_align - 1) / pos_align) *
1433 pos_adj = frames_to_bytes(runtime, pos_adj);
1434 if (pos_adj >= period_bytes) {
1435 snd_printk(KERN_WARNING SFX "Too big adjustment %d\n",
1436 bdl_pos_adj[chip->dev_index]);
1439 ofs = setup_bdle(chip, substream, azx_dev,
1440 &bdl, ofs, pos_adj, true);
1446 for (i = 0; i < periods; i++) {
1447 if (i == periods - 1 && pos_adj)
1448 ofs = setup_bdle(chip, substream, azx_dev, &bdl, ofs,
1449 period_bytes - pos_adj, 0);
1451 ofs = setup_bdle(chip, substream, azx_dev, &bdl, ofs,
1453 !azx_dev->no_period_wakeup);
1460 snd_printk(KERN_ERR SFX "Too many BDL entries: buffer=%d, period=%d\n",
1461 azx_dev->bufsize, period_bytes);
1466 static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
1471 azx_stream_clear(chip, azx_dev);
1473 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
1474 SD_CTL_STREAM_RESET);
1477 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1480 val &= ~SD_CTL_STREAM_RESET;
1481 azx_sd_writeb(azx_dev, SD_CTL, val);
1485 /* waiting for hardware to report that the stream is out of reset */
1486 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1490 /* reset first position - may not be synced with hw at this time */
1491 *azx_dev->posbuf = 0;
1495 * set up the SD for streaming
1497 static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
1500 /* make sure the run bit is zero for SD */
1501 azx_stream_clear(chip, azx_dev);
1502 /* program the stream_tag */
1503 val = azx_sd_readl(azx_dev, SD_CTL);
1504 val = (val & ~SD_CTL_STREAM_TAG_MASK) |
1505 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT);
1506 if (!azx_snoop(chip))
1507 val |= SD_CTL_TRAFFIC_PRIO;
1508 azx_sd_writel(azx_dev, SD_CTL, val);
1510 /* program the length of samples in cyclic buffer */
1511 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
1513 /* program the stream format */
1514 /* this value needs to be the same as the one programmed */
1515 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
1517 /* program the stream LVI (last valid index) of the BDL */
1518 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
1520 /* program the BDL address */
1521 /* lower BDL address */
1522 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
1523 /* upper BDL address */
1524 azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(azx_dev->bdl.addr));
1526 /* enable the position buffer */
1527 if (chip->position_fix[0] != POS_FIX_LPIB ||
1528 chip->position_fix[1] != POS_FIX_LPIB) {
1529 if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
1530 azx_writel(chip, DPLBASE,
1531 (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
1534 /* set the interrupt enable bits in the descriptor control register */
1535 azx_sd_writel(azx_dev, SD_CTL,
1536 azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
1542 * Probe the given codec address
1544 static int probe_codec(struct azx *chip, int addr)
1546 unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
1547 (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
1550 mutex_lock(&chip->bus->cmd_mutex);
1552 azx_send_cmd(chip->bus, cmd);
1553 res = azx_get_response(chip->bus, addr);
1555 mutex_unlock(&chip->bus->cmd_mutex);
1558 snd_printdd(SFX "codec #%d probed OK\n", addr);
1562 static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
1563 struct hda_pcm *cpcm);
1564 static void azx_stop_chip(struct azx *chip);
1566 static void azx_bus_reset(struct hda_bus *bus)
1568 struct azx *chip = bus->private_data;
1571 azx_stop_chip(chip);
1572 azx_init_chip(chip, 1);
1574 if (chip->initialized) {
1576 list_for_each_entry(p, &chip->pcm_list, list)
1577 snd_pcm_suspend_all(p->pcm);
1578 snd_hda_suspend(chip->bus);
1579 snd_hda_resume(chip->bus);
1586 * Codec initialization
1589 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
1590 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] DELAYED_INITDATA_MARK = {
1591 [AZX_DRIVER_NVIDIA] = 8,
1592 [AZX_DRIVER_TERA] = 1,
1595 static int DELAYED_INIT_MARK azx_codec_create(struct azx *chip, const char *model)
1597 struct hda_bus_template bus_temp;
1601 memset(&bus_temp, 0, sizeof(bus_temp));
1602 bus_temp.private_data = chip;
1603 bus_temp.modelname = model;
1604 bus_temp.pci = chip->pci;
1605 bus_temp.ops.command = azx_send_cmd;
1606 bus_temp.ops.get_response = azx_get_response;
1607 bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
1608 bus_temp.ops.bus_reset = azx_bus_reset;
1610 bus_temp.power_save = &power_save;
1611 bus_temp.ops.pm_notify = azx_power_notify;
1614 err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
1618 if (chip->driver_caps & AZX_DCAPS_RIRB_DELAY) {
1619 snd_printd(SFX "Enable delay in RIRB handling\n");
1620 chip->bus->needs_damn_long_delay = 1;
1624 max_slots = azx_max_codecs[chip->driver_type];
1626 max_slots = AZX_DEFAULT_CODECS;
1628 /* First try to probe all given codec slots */
1629 for (c = 0; c < max_slots; c++) {
1630 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
1631 if (probe_codec(chip, c) < 0) {
1632 /* Some BIOSen give you wrong codec addresses
1635 snd_printk(KERN_WARNING SFX
1636 "Codec #%d probe error; "
1637 "disabling it...\n", c);
1638 chip->codec_mask &= ~(1 << c);
1639 /* More badly, accessing to a non-existing
1640 * codec often screws up the controller chip,
1641 * and disturbs the further communications.
1642 * Thus if an error occurs during probing,
1643 * better to reset the controller chip to
1644 * get back to the sanity state.
1646 azx_stop_chip(chip);
1647 azx_init_chip(chip, 1);
1652 /* AMD chipsets often cause the communication stalls upon certain
1653 * sequence like the pin-detection. It seems that forcing the synced
1654 * access works around the stall. Grrr...
1656 if (chip->driver_caps & AZX_DCAPS_SYNC_WRITE) {
1657 snd_printd(SFX "Enable sync_write for stable communication\n");
1658 chip->bus->sync_write = 1;
1659 chip->bus->allow_bus_reset = 1;
1662 /* Then create codec instances */
1663 for (c = 0; c < max_slots; c++) {
1664 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
1665 struct hda_codec *codec;
1666 err = snd_hda_codec_new(chip->bus, c, &codec);
1669 codec->beep_mode = chip->beep_mode;
1674 snd_printk(KERN_ERR SFX "no codecs initialized\n");
1680 /* configure each codec instance */
1681 static int __devinit azx_codec_configure(struct azx *chip)
1683 struct hda_codec *codec;
1684 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1685 snd_hda_codec_configure(codec);
1695 /* assign a stream for the PCM */
1696 static inline struct azx_dev *
1697 azx_assign_device(struct azx *chip, struct snd_pcm_substream *substream)
1700 struct azx_dev *res = NULL;
1701 /* make a non-zero unique key for the substream */
1702 int key = (substream->pcm->device << 16) | (substream->number << 2) |
1703 (substream->stream + 1);
1705 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1706 dev = chip->playback_index_offset;
1707 nums = chip->playback_streams;
1709 dev = chip->capture_index_offset;
1710 nums = chip->capture_streams;
1712 for (i = 0; i < nums; i++, dev++)
1713 if (!chip->azx_dev[dev].opened) {
1714 res = &chip->azx_dev[dev];
1715 if (res->assigned_key == key)
1720 res->assigned_key = key;
1725 /* release the assigned stream */
1726 static inline void azx_release_device(struct azx_dev *azx_dev)
1728 azx_dev->opened = 0;
1731 static struct snd_pcm_hardware azx_pcm_hw = {
1732 .info = (SNDRV_PCM_INFO_MMAP |
1733 SNDRV_PCM_INFO_INTERLEAVED |
1734 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1735 SNDRV_PCM_INFO_MMAP_VALID |
1736 /* No full-resume yet implemented */
1737 /* SNDRV_PCM_INFO_RESUME |*/
1738 SNDRV_PCM_INFO_PAUSE |
1739 SNDRV_PCM_INFO_SYNC_START |
1740 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
1741 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1742 .rates = SNDRV_PCM_RATE_48000,
1747 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1748 .period_bytes_min = 128,
1749 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1751 .periods_max = AZX_MAX_FRAG,
1755 static int azx_pcm_open(struct snd_pcm_substream *substream)
1757 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1758 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1759 struct azx *chip = apcm->chip;
1760 struct azx_dev *azx_dev;
1761 struct snd_pcm_runtime *runtime = substream->runtime;
1762 unsigned long flags;
1766 mutex_lock(&chip->open_mutex);
1767 azx_dev = azx_assign_device(chip, substream);
1768 if (azx_dev == NULL) {
1769 mutex_unlock(&chip->open_mutex);
1772 runtime->hw = azx_pcm_hw;
1773 runtime->hw.channels_min = hinfo->channels_min;
1774 runtime->hw.channels_max = hinfo->channels_max;
1775 runtime->hw.formats = hinfo->formats;
1776 runtime->hw.rates = hinfo->rates;
1777 snd_pcm_limit_hw_rates(runtime);
1778 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1779 if (chip->align_buffer_size)
1780 /* constrain buffer sizes to be multiple of 128
1781 bytes. This is more efficient in terms of memory
1782 access but isn't required by the HDA spec and
1783 prevents users from specifying exact period/buffer
1784 sizes. For example for 44.1kHz, a period size set
1785 to 20ms will be rounded to 19.59ms. */
1788 /* Don't enforce steps on buffer sizes, still need to
1789 be multiple of 4 bytes (HDA spec). Tested on Intel
1790 HDA controllers, may not work on all devices where
1791 option needs to be disabled */
1794 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1796 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1798 snd_hda_power_up_d3wait(apcm->codec);
1799 err = hinfo->ops.open(hinfo, apcm->codec, substream);
1801 azx_release_device(azx_dev);
1802 snd_hda_power_down(apcm->codec);
1803 mutex_unlock(&chip->open_mutex);
1806 snd_pcm_limit_hw_rates(runtime);
1808 if (snd_BUG_ON(!runtime->hw.channels_min) ||
1809 snd_BUG_ON(!runtime->hw.channels_max) ||
1810 snd_BUG_ON(!runtime->hw.formats) ||
1811 snd_BUG_ON(!runtime->hw.rates)) {
1812 azx_release_device(azx_dev);
1813 hinfo->ops.close(hinfo, apcm->codec, substream);
1814 snd_hda_power_down(apcm->codec);
1815 mutex_unlock(&chip->open_mutex);
1818 spin_lock_irqsave(&chip->reg_lock, flags);
1819 azx_dev->substream = substream;
1820 azx_dev->running = 0;
1821 spin_unlock_irqrestore(&chip->reg_lock, flags);
1823 runtime->private_data = azx_dev;
1824 snd_pcm_set_sync(substream);
1825 mutex_unlock(&chip->open_mutex);
1829 static int azx_pcm_close(struct snd_pcm_substream *substream)
1831 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1832 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1833 struct azx *chip = apcm->chip;
1834 struct azx_dev *azx_dev = get_azx_dev(substream);
1835 unsigned long flags;
1837 mutex_lock(&chip->open_mutex);
1838 spin_lock_irqsave(&chip->reg_lock, flags);
1839 azx_dev->substream = NULL;
1840 azx_dev->running = 0;
1841 spin_unlock_irqrestore(&chip->reg_lock, flags);
1842 azx_release_device(azx_dev);
1843 hinfo->ops.close(hinfo, apcm->codec, substream);
1844 snd_hda_power_down(apcm->codec);
1845 mutex_unlock(&chip->open_mutex);
1849 static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
1850 struct snd_pcm_hw_params *hw_params)
1852 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1853 struct azx *chip = apcm->chip;
1854 struct snd_pcm_runtime *runtime = substream->runtime;
1855 struct azx_dev *azx_dev = get_azx_dev(substream);
1858 mark_runtime_wc(chip, azx_dev, runtime, false);
1859 azx_dev->bufsize = 0;
1860 azx_dev->period_bytes = 0;
1861 azx_dev->format_val = 0;
1862 ret = snd_pcm_lib_malloc_pages(substream,
1863 params_buffer_bytes(hw_params));
1866 mark_runtime_wc(chip, azx_dev, runtime, true);
1870 static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1872 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1873 struct azx_dev *azx_dev = get_azx_dev(substream);
1874 struct azx *chip = apcm->chip;
1875 struct snd_pcm_runtime *runtime = substream->runtime;
1876 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1878 /* reset BDL address */
1879 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1880 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1881 azx_sd_writel(azx_dev, SD_CTL, 0);
1882 azx_dev->bufsize = 0;
1883 azx_dev->period_bytes = 0;
1884 azx_dev->format_val = 0;
1886 snd_hda_codec_cleanup(apcm->codec, hinfo, substream);
1888 mark_runtime_wc(chip, azx_dev, runtime, false);
1889 return snd_pcm_lib_free_pages(substream);
1892 static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1894 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1895 struct azx *chip = apcm->chip;
1896 struct azx_dev *azx_dev = get_azx_dev(substream);
1897 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1898 struct snd_pcm_runtime *runtime = substream->runtime;
1899 unsigned int bufsize, period_bytes, format_val, stream_tag;
1901 struct hda_spdif_out *spdif =
1902 snd_hda_spdif_out_of_nid(apcm->codec, hinfo->nid);
1903 unsigned short ctls = spdif ? spdif->ctls : 0;
1905 azx_stream_reset(chip, azx_dev);
1906 format_val = snd_hda_calc_stream_format(runtime->rate,
1912 snd_printk(KERN_ERR SFX
1913 "invalid format_val, rate=%d, ch=%d, format=%d\n",
1914 runtime->rate, runtime->channels, runtime->format);
1918 bufsize = snd_pcm_lib_buffer_bytes(substream);
1919 period_bytes = snd_pcm_lib_period_bytes(substream);
1921 snd_printdd(SFX "azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
1922 bufsize, format_val);
1924 if (bufsize != azx_dev->bufsize ||
1925 period_bytes != azx_dev->period_bytes ||
1926 format_val != azx_dev->format_val ||
1927 runtime->no_period_wakeup != azx_dev->no_period_wakeup) {
1928 azx_dev->bufsize = bufsize;
1929 azx_dev->period_bytes = period_bytes;
1930 azx_dev->format_val = format_val;
1931 azx_dev->no_period_wakeup = runtime->no_period_wakeup;
1932 err = azx_setup_periods(chip, substream, azx_dev);
1937 /* wallclk has 24Mhz clock source */
1938 azx_dev->period_wallclk = (((runtime->period_size * 24000) /
1939 runtime->rate) * 1000);
1940 azx_setup_controller(chip, azx_dev);
1941 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1942 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1944 azx_dev->fifo_size = 0;
1946 stream_tag = azx_dev->stream_tag;
1947 /* CA-IBG chips need the playback stream starting from 1 */
1948 if ((chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND) &&
1949 stream_tag > chip->capture_streams)
1950 stream_tag -= chip->capture_streams;
1951 return snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
1952 azx_dev->format_val, substream);
1955 static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1957 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1958 struct azx *chip = apcm->chip;
1959 struct azx_dev *azx_dev;
1960 struct snd_pcm_substream *s;
1961 int rstart = 0, start, nsync = 0, sbits = 0;
1965 case SNDRV_PCM_TRIGGER_START:
1967 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1968 case SNDRV_PCM_TRIGGER_RESUME:
1971 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1972 case SNDRV_PCM_TRIGGER_SUSPEND:
1973 case SNDRV_PCM_TRIGGER_STOP:
1980 snd_pcm_group_for_each_entry(s, substream) {
1981 if (s->pcm->card != substream->pcm->card)
1983 azx_dev = get_azx_dev(s);
1984 sbits |= 1 << azx_dev->index;
1986 snd_pcm_trigger_done(s, substream);
1989 spin_lock(&chip->reg_lock);
1991 /* first, set SYNC bits of corresponding streams */
1992 if (chip->driver_caps & AZX_DCAPS_OLD_SSYNC)
1993 azx_writel(chip, OLD_SSYNC,
1994 azx_readl(chip, OLD_SSYNC) | sbits);
1996 azx_writel(chip, SSYNC, azx_readl(chip, SSYNC) | sbits);
1998 snd_pcm_group_for_each_entry(s, substream) {
1999 if (s->pcm->card != substream->pcm->card)
2001 azx_dev = get_azx_dev(s);
2003 azx_dev->start_wallclk = azx_readl(chip, WALLCLK);
2005 azx_dev->start_wallclk -=
2006 azx_dev->period_wallclk;
2007 azx_stream_start(chip, azx_dev);
2009 azx_stream_stop(chip, azx_dev);
2011 azx_dev->running = start;
2013 spin_unlock(&chip->reg_lock);
2015 /* wait until all FIFOs get ready */
2016 for (timeout = 5000; timeout; timeout--) {
2018 snd_pcm_group_for_each_entry(s, substream) {
2019 if (s->pcm->card != substream->pcm->card)
2021 azx_dev = get_azx_dev(s);
2022 if (!(azx_sd_readb(azx_dev, SD_STS) &
2031 /* wait until all RUN bits are cleared */
2032 for (timeout = 5000; timeout; timeout--) {
2034 snd_pcm_group_for_each_entry(s, substream) {
2035 if (s->pcm->card != substream->pcm->card)
2037 azx_dev = get_azx_dev(s);
2038 if (azx_sd_readb(azx_dev, SD_CTL) &
2047 spin_lock(&chip->reg_lock);
2048 /* reset SYNC bits */
2049 if (chip->driver_caps & AZX_DCAPS_OLD_SSYNC)
2050 azx_writel(chip, OLD_SSYNC,
2051 azx_readl(chip, OLD_SSYNC) & ~sbits);
2053 azx_writel(chip, SSYNC, azx_readl(chip, SSYNC) & ~sbits);
2054 spin_unlock(&chip->reg_lock);
2058 /* get the current DMA position with correction on VIA chips */
2059 static unsigned int azx_via_get_position(struct azx *chip,
2060 struct azx_dev *azx_dev)
2062 unsigned int link_pos, mini_pos, bound_pos;
2063 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
2064 unsigned int fifo_size;
2066 link_pos = azx_sd_readl(azx_dev, SD_LPIB);
2067 if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2068 /* Playback, no problem using link position */
2074 * use mod to get the DMA position just like old chipset
2076 mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
2077 mod_dma_pos %= azx_dev->period_bytes;
2079 /* azx_dev->fifo_size can't get FIFO size of in stream.
2080 * Get from base address + offset.
2082 fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
2084 if (azx_dev->insufficient) {
2085 /* Link position never gather than FIFO size */
2086 if (link_pos <= fifo_size)
2089 azx_dev->insufficient = 0;
2092 if (link_pos <= fifo_size)
2093 mini_pos = azx_dev->bufsize + link_pos - fifo_size;
2095 mini_pos = link_pos - fifo_size;
2097 /* Find nearest previous boudary */
2098 mod_mini_pos = mini_pos % azx_dev->period_bytes;
2099 mod_link_pos = link_pos % azx_dev->period_bytes;
2100 if (mod_link_pos >= fifo_size)
2101 bound_pos = link_pos - mod_link_pos;
2102 else if (mod_dma_pos >= mod_mini_pos)
2103 bound_pos = mini_pos - mod_mini_pos;
2105 bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
2106 if (bound_pos >= azx_dev->bufsize)
2110 /* Calculate real DMA position we want */
2111 return bound_pos + mod_dma_pos;
2114 static unsigned int azx_get_position(struct azx *chip,
2115 struct azx_dev *azx_dev,
2119 int stream = azx_dev->substream->stream;
2121 switch (chip->position_fix[stream]) {
2124 pos = azx_sd_readl(azx_dev, SD_LPIB);
2126 case POS_FIX_VIACOMBO:
2127 pos = azx_via_get_position(chip, azx_dev);
2130 /* use the position buffer */
2131 pos = le32_to_cpu(*azx_dev->posbuf);
2132 if (with_check && chip->position_fix[stream] == POS_FIX_AUTO) {
2133 if (!pos || pos == (u32)-1) {
2135 "hda-intel: Invalid position buffer, "
2136 "using LPIB read method instead.\n");
2137 chip->position_fix[stream] = POS_FIX_LPIB;
2138 pos = azx_sd_readl(azx_dev, SD_LPIB);
2140 chip->position_fix[stream] = POS_FIX_POSBUF;
2145 if (pos >= azx_dev->bufsize)
2148 /* calculate runtime delay from LPIB */
2149 if (azx_dev->substream->runtime &&
2150 chip->position_fix[stream] == POS_FIX_POSBUF &&
2151 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
2152 unsigned int lpib_pos = azx_sd_readl(azx_dev, SD_LPIB);
2154 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
2155 delay = pos - lpib_pos;
2157 delay = lpib_pos - pos;
2159 delay += azx_dev->bufsize;
2160 if (delay >= azx_dev->period_bytes) {
2161 snd_printdd("delay %d > period_bytes %d\n",
2162 delay, azx_dev->period_bytes);
2163 delay = 0; /* something is wrong */
2165 azx_dev->substream->runtime->delay =
2166 bytes_to_frames(azx_dev->substream->runtime, delay);
2171 static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
2173 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2174 struct azx *chip = apcm->chip;
2175 struct azx_dev *azx_dev = get_azx_dev(substream);
2176 return bytes_to_frames(substream->runtime,
2177 azx_get_position(chip, azx_dev, false));
2181 * Check whether the current DMA position is acceptable for updating
2182 * periods. Returns non-zero if it's OK.
2184 * Many HD-audio controllers appear pretty inaccurate about
2185 * the update-IRQ timing. The IRQ is issued before actually the
2186 * data is processed. So, we need to process it afterwords in a
2189 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
2195 wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;
2196 if (wallclk < (azx_dev->period_wallclk * 2) / 3)
2197 return -1; /* bogus (too early) interrupt */
2199 stream = azx_dev->substream->stream;
2200 pos = azx_get_position(chip, azx_dev, true);
2202 if (WARN_ONCE(!azx_dev->period_bytes,
2203 "hda-intel: zero azx_dev->period_bytes"))
2204 return -1; /* this shouldn't happen! */
2205 if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&
2206 pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
2207 /* NG - it's below the first next period boundary */
2208 return bdl_pos_adj[chip->dev_index] ? 0 : -1;
2209 azx_dev->start_wallclk += wallclk;
2210 return 1; /* OK, it's fine */
2214 * The work for pending PCM period updates.
2216 static void azx_irq_pending_work(struct work_struct *work)
2218 struct azx *chip = container_of(work, struct azx, irq_pending_work);
2221 if (!chip->irq_pending_warned) {
2223 "hda-intel: IRQ timing workaround is activated "
2224 "for card #%d. Suggest a bigger bdl_pos_adj.\n",
2225 chip->card->number);
2226 chip->irq_pending_warned = 1;
2231 spin_lock_irq(&chip->reg_lock);
2232 for (i = 0; i < chip->num_streams; i++) {
2233 struct azx_dev *azx_dev = &chip->azx_dev[i];
2234 if (!azx_dev->irq_pending ||
2235 !azx_dev->substream ||
2238 ok = azx_position_ok(chip, azx_dev);
2240 azx_dev->irq_pending = 0;
2241 spin_unlock(&chip->reg_lock);
2242 snd_pcm_period_elapsed(azx_dev->substream);
2243 spin_lock(&chip->reg_lock);
2244 } else if (ok < 0) {
2245 pending = 0; /* too early */
2249 spin_unlock_irq(&chip->reg_lock);
2256 /* clear irq_pending flags and assure no on-going workq */
2257 static void azx_clear_irq_pending(struct azx *chip)
2261 spin_lock_irq(&chip->reg_lock);
2262 for (i = 0; i < chip->num_streams; i++)
2263 chip->azx_dev[i].irq_pending = 0;
2264 spin_unlock_irq(&chip->reg_lock);
2268 static int azx_pcm_mmap(struct snd_pcm_substream *substream,
2269 struct vm_area_struct *area)
2271 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2272 struct azx *chip = apcm->chip;
2273 if (!azx_snoop(chip))
2274 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
2275 return snd_pcm_lib_default_mmap(substream, area);
2278 #define azx_pcm_mmap NULL
2281 static struct snd_pcm_ops azx_pcm_ops = {
2282 .open = azx_pcm_open,
2283 .close = azx_pcm_close,
2284 .ioctl = snd_pcm_lib_ioctl,
2285 .hw_params = azx_pcm_hw_params,
2286 .hw_free = azx_pcm_hw_free,
2287 .prepare = azx_pcm_prepare,
2288 .trigger = azx_pcm_trigger,
2289 .pointer = azx_pcm_pointer,
2290 .mmap = azx_pcm_mmap,
2291 .page = snd_pcm_sgbuf_ops_page,
2294 static void azx_pcm_free(struct snd_pcm *pcm)
2296 struct azx_pcm *apcm = pcm->private_data;
2298 list_del(&apcm->list);
2303 #define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
2306 azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
2307 struct hda_pcm *cpcm)
2309 struct azx *chip = bus->private_data;
2310 struct snd_pcm *pcm;
2311 struct azx_pcm *apcm;
2312 int pcm_dev = cpcm->device;
2316 list_for_each_entry(apcm, &chip->pcm_list, list) {
2317 if (apcm->pcm->device == pcm_dev) {
2318 snd_printk(KERN_ERR SFX "PCM %d already exists\n", pcm_dev);
2322 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
2323 cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams,
2324 cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams,
2328 strlcpy(pcm->name, cpcm->name, sizeof(pcm->name));
2329 apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
2334 apcm->codec = codec;
2335 pcm->private_data = apcm;
2336 pcm->private_free = azx_pcm_free;
2337 if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM)
2338 pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
2339 list_add_tail(&apcm->list, &chip->pcm_list);
2341 for (s = 0; s < 2; s++) {
2342 apcm->hinfo[s] = &cpcm->stream[s];
2343 if (cpcm->stream[s].substreams)
2344 snd_pcm_set_ops(pcm, s, &azx_pcm_ops);
2346 /* buffer pre-allocation */
2347 size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
2348 if (size > MAX_PREALLOC_SIZE)
2349 size = MAX_PREALLOC_SIZE;
2350 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
2351 snd_dma_pci_data(chip->pci),
2352 size, MAX_PREALLOC_SIZE);
2357 * mixer creation - all stuff is implemented in hda module
2359 static int __devinit azx_mixer_create(struct azx *chip)
2361 return snd_hda_build_controls(chip->bus);
2366 * initialize SD streams
2368 static int __devinit azx_init_stream(struct azx *chip)
2372 /* initialize each stream (aka device)
2373 * assign the starting bdl address to each stream (device)
2376 for (i = 0; i < chip->num_streams; i++) {
2377 struct azx_dev *azx_dev = &chip->azx_dev[i];
2378 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
2379 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
2380 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
2381 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
2382 azx_dev->sd_int_sta_mask = 1 << i;
2383 /* stream tag: must be non-zero and unique */
2385 azx_dev->stream_tag = i + 1;
2391 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
2393 if (request_irq(chip->pci->irq, azx_interrupt,
2394 chip->msi ? 0 : IRQF_SHARED,
2395 KBUILD_MODNAME, chip)) {
2396 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
2397 "disabling device\n", chip->pci->irq);
2399 snd_card_disconnect(chip->card);
2402 chip->irq = chip->pci->irq;
2403 pci_intx(chip->pci, !chip->msi);
2408 static void azx_stop_chip(struct azx *chip)
2410 if (!chip->initialized)
2413 /* disable interrupts */
2414 azx_int_disable(chip);
2415 azx_int_clear(chip);
2417 /* disable CORB/RIRB */
2418 azx_free_cmd_io(chip);
2420 /* disable position buffer */
2421 azx_writel(chip, DPLBASE, 0);
2422 azx_writel(chip, DPUBASE, 0);
2424 chip->initialized = 0;
2428 /* power-up/down the controller */
2429 static void azx_power_notify(struct hda_bus *bus, bool power_up)
2431 struct azx *chip = bus->private_data;
2434 pm_runtime_get_sync(&chip->pci->dev);
2436 pm_runtime_put_sync(&chip->pci->dev);
2439 static DEFINE_MUTEX(card_list_lock);
2440 static LIST_HEAD(card_list);
2442 static void azx_add_card_list(struct azx *chip)
2444 mutex_lock(&card_list_lock);
2445 list_add(&chip->list, &card_list);
2446 mutex_unlock(&card_list_lock);
2449 static void azx_del_card_list(struct azx *chip)
2451 mutex_lock(&card_list_lock);
2452 list_del_init(&chip->list);
2453 mutex_unlock(&card_list_lock);
2456 /* trigger power-save check at writing parameter */
2457 static int param_set_xint(const char *val, const struct kernel_param *kp)
2460 struct hda_codec *c;
2461 int prev = power_save;
2462 int ret = param_set_int(val, kp);
2464 if (ret || prev == power_save)
2467 mutex_lock(&card_list_lock);
2468 list_for_each_entry(chip, &card_list, list) {
2469 if (!chip->bus || chip->disabled)
2471 list_for_each_entry(c, &chip->bus->codec_list, list)
2472 snd_hda_power_sync(c);
2474 mutex_unlock(&card_list_lock);
2478 #define azx_add_card_list(chip) /* NOP */
2479 #define azx_del_card_list(chip) /* NOP */
2480 #endif /* CONFIG_PM */
2482 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
2486 static int azx_suspend(struct device *dev)
2488 struct pci_dev *pci = to_pci_dev(dev);
2489 struct snd_card *card = dev_get_drvdata(dev);
2490 struct azx *chip = card->private_data;
2493 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2494 azx_clear_irq_pending(chip);
2495 list_for_each_entry(p, &chip->pcm_list, list)
2496 snd_pcm_suspend_all(p->pcm);
2497 if (chip->initialized)
2498 snd_hda_suspend(chip->bus);
2499 azx_stop_chip(chip);
2500 if (chip->irq >= 0) {
2501 free_irq(chip->irq, chip);
2505 pci_disable_msi(chip->pci);
2506 pci_disable_device(pci);
2507 pci_save_state(pci);
2508 pci_set_power_state(pci, PCI_D3hot);
2512 static int azx_resume(struct device *dev)
2514 struct pci_dev *pci = to_pci_dev(dev);
2515 struct snd_card *card = dev_get_drvdata(dev);
2516 struct azx *chip = card->private_data;
2518 pci_set_power_state(pci, PCI_D0);
2519 pci_restore_state(pci);
2520 if (pci_enable_device(pci) < 0) {
2521 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
2522 "disabling device\n");
2523 snd_card_disconnect(card);
2526 pci_set_master(pci);
2528 if (pci_enable_msi(pci) < 0)
2530 if (azx_acquire_irq(chip, 1) < 0)
2534 azx_init_chip(chip, 1);
2536 snd_hda_resume(chip->bus);
2537 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2540 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
2542 #ifdef CONFIG_PM_RUNTIME
2543 static int azx_runtime_suspend(struct device *dev)
2545 struct snd_card *card = dev_get_drvdata(dev);
2546 struct azx *chip = card->private_data;
2548 if (!power_save_controller)
2551 azx_stop_chip(chip);
2552 azx_clear_irq_pending(chip);
2556 static int azx_runtime_resume(struct device *dev)
2558 struct snd_card *card = dev_get_drvdata(dev);
2559 struct azx *chip = card->private_data;
2562 azx_init_chip(chip, 1);
2565 #endif /* CONFIG_PM_RUNTIME */
2568 static const struct dev_pm_ops azx_pm = {
2569 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
2570 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, NULL)
2573 #define AZX_PM_OPS &azx_pm
2575 #define AZX_PM_OPS NULL
2576 #endif /* CONFIG_PM */
2580 * reboot notifier for hang-up problem at power-down
2582 static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
2584 struct azx *chip = container_of(nb, struct azx, reboot_notifier);
2585 snd_hda_bus_reboot_notify(chip->bus);
2586 azx_stop_chip(chip);
2590 static void azx_notifier_register(struct azx *chip)
2592 chip->reboot_notifier.notifier_call = azx_halt;
2593 register_reboot_notifier(&chip->reboot_notifier);
2596 static void azx_notifier_unregister(struct azx *chip)
2598 if (chip->reboot_notifier.notifier_call)
2599 unregister_reboot_notifier(&chip->reboot_notifier);
2602 static int DELAYED_INIT_MARK azx_first_init(struct azx *chip);
2603 static int DELAYED_INIT_MARK azx_probe_continue(struct azx *chip);
2605 #ifdef SUPPORT_VGA_SWITCHEROO
2606 static struct pci_dev __devinit *get_bound_vga(struct pci_dev *pci);
2608 static void azx_vs_set_state(struct pci_dev *pci,
2609 enum vga_switcheroo_state state)
2611 struct snd_card *card = pci_get_drvdata(pci);
2612 struct azx *chip = card->private_data;
2615 if (chip->init_failed)
2618 disabled = (state == VGA_SWITCHEROO_OFF);
2619 if (chip->disabled == disabled)
2623 chip->disabled = disabled;
2625 snd_printk(KERN_INFO SFX
2626 "%s: Start delayed initialization\n",
2627 pci_name(chip->pci));
2628 if (azx_first_init(chip) < 0 ||
2629 azx_probe_continue(chip) < 0) {
2630 snd_printk(KERN_ERR SFX
2631 "%s: initialization error\n",
2632 pci_name(chip->pci));
2633 chip->init_failed = true;
2637 snd_printk(KERN_INFO SFX
2638 "%s %s via VGA-switcheroo\n",
2639 disabled ? "Disabling" : "Enabling",
2640 pci_name(chip->pci));
2642 azx_suspend(&pci->dev);
2643 chip->disabled = true;
2644 snd_hda_lock_devices(chip->bus);
2646 snd_hda_unlock_devices(chip->bus);
2647 chip->disabled = false;
2648 azx_resume(&pci->dev);
2653 static bool azx_vs_can_switch(struct pci_dev *pci)
2655 struct snd_card *card = pci_get_drvdata(pci);
2656 struct azx *chip = card->private_data;
2658 if (chip->init_failed)
2660 if (chip->disabled || !chip->bus)
2662 if (snd_hda_lock_devices(chip->bus))
2664 snd_hda_unlock_devices(chip->bus);
2668 static void __devinit init_vga_switcheroo(struct azx *chip)
2670 struct pci_dev *p = get_bound_vga(chip->pci);
2672 snd_printk(KERN_INFO SFX
2673 "%s: Handle VGA-switcheroo audio client\n",
2674 pci_name(chip->pci));
2675 chip->use_vga_switcheroo = 1;
2680 static const struct vga_switcheroo_client_ops azx_vs_ops = {
2681 .set_gpu_state = azx_vs_set_state,
2682 .can_switch = azx_vs_can_switch,
2685 static int __devinit register_vga_switcheroo(struct azx *chip)
2687 if (!chip->use_vga_switcheroo)
2689 /* FIXME: currently only handling DIS controller
2690 * is there any machine with two switchable HDMI audio controllers?
2692 return vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
2697 #define init_vga_switcheroo(chip) /* NOP */
2698 #define register_vga_switcheroo(chip) 0
2699 #define check_hdmi_disabled(pci) false
2700 #endif /* SUPPORT_VGA_SWITCHER */
2705 static int azx_free(struct azx *chip)
2709 azx_del_card_list(chip);
2711 azx_notifier_unregister(chip);
2713 if (use_vga_switcheroo(chip)) {
2714 if (chip->disabled && chip->bus)
2715 snd_hda_unlock_devices(chip->bus);
2716 vga_switcheroo_unregister_client(chip->pci);
2719 if (chip->initialized) {
2720 azx_clear_irq_pending(chip);
2721 for (i = 0; i < chip->num_streams; i++)
2722 azx_stream_stop(chip, &chip->azx_dev[i]);
2723 azx_stop_chip(chip);
2727 free_irq(chip->irq, (void*)chip);
2729 pci_disable_msi(chip->pci);
2730 if (chip->remap_addr)
2731 iounmap(chip->remap_addr);
2733 if (chip->azx_dev) {
2734 for (i = 0; i < chip->num_streams; i++)
2735 if (chip->azx_dev[i].bdl.area) {
2736 mark_pages_wc(chip, &chip->azx_dev[i].bdl, false);
2737 snd_dma_free_pages(&chip->azx_dev[i].bdl);
2740 if (chip->rb.area) {
2741 mark_pages_wc(chip, &chip->rb, false);
2742 snd_dma_free_pages(&chip->rb);
2744 if (chip->posbuf.area) {
2745 mark_pages_wc(chip, &chip->posbuf, false);
2746 snd_dma_free_pages(&chip->posbuf);
2748 if (chip->region_requested)
2749 pci_release_regions(chip->pci);
2750 pci_disable_device(chip->pci);
2751 kfree(chip->azx_dev);
2752 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2754 release_firmware(chip->fw);
2761 static int azx_dev_free(struct snd_device *device)
2763 return azx_free(device->device_data);
2766 #ifdef SUPPORT_VGA_SWITCHEROO
2768 * Check of disabled HDMI controller by vga-switcheroo
2770 static struct pci_dev __devinit *get_bound_vga(struct pci_dev *pci)
2774 /* check only discrete GPU */
2775 switch (pci->vendor) {
2776 case PCI_VENDOR_ID_ATI:
2777 case PCI_VENDOR_ID_AMD:
2778 case PCI_VENDOR_ID_NVIDIA:
2779 if (pci->devfn == 1) {
2780 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
2781 pci->bus->number, 0);
2783 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
2793 static bool __devinit check_hdmi_disabled(struct pci_dev *pci)
2795 bool vga_inactive = false;
2796 struct pci_dev *p = get_bound_vga(pci);
2799 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
2800 vga_inactive = true;
2803 return vga_inactive;
2805 #endif /* SUPPORT_VGA_SWITCHEROO */
2808 * white/black-listing for position_fix
2810 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
2811 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
2812 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
2813 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
2814 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
2815 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
2816 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
2817 SND_PCI_QUIRK(0x1043, 0x1ac3, "ASUS X53S", POS_FIX_POSBUF),
2818 SND_PCI_QUIRK(0x1043, 0x1b43, "ASUS K53E", POS_FIX_POSBUF),
2819 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
2820 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
2821 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
2822 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
2823 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
2824 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
2825 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
2826 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
2830 static int __devinit check_position_fix(struct azx *chip, int fix)
2832 const struct snd_pci_quirk *q;
2837 case POS_FIX_POSBUF:
2838 case POS_FIX_VIACOMBO:
2843 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
2846 "hda_intel: position_fix set to %d "
2847 "for device %04x:%04x\n",
2848 q->value, q->subvendor, q->subdevice);
2852 /* Check VIA/ATI HD Audio Controller exist */
2853 if (chip->driver_caps & AZX_DCAPS_POSFIX_VIA) {
2854 snd_printd(SFX "Using VIACOMBO position fix\n");
2855 return POS_FIX_VIACOMBO;
2857 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
2858 snd_printd(SFX "Using LPIB position fix\n");
2859 return POS_FIX_LPIB;
2861 if (chip->driver_caps & AZX_DCAPS_POSFIX_COMBO) {
2862 snd_printd(SFX "Using COMBO position fix\n");
2863 return POS_FIX_COMBO;
2865 return POS_FIX_AUTO;
2869 * black-lists for probe_mask
2871 static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
2872 /* Thinkpad often breaks the controller communication when accessing
2873 * to the non-working (or non-existing) modem codec slot.
2875 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
2876 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
2877 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
2879 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
2880 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
2881 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
2882 /* forced codec slots */
2883 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
2884 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
2885 /* WinFast VP200 H (Teradici) user reported broken communication */
2886 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
2890 #define AZX_FORCE_CODEC_MASK 0x100
2892 static void __devinit check_probe_mask(struct azx *chip, int dev)
2894 const struct snd_pci_quirk *q;
2896 chip->codec_probe_mask = probe_mask[dev];
2897 if (chip->codec_probe_mask == -1) {
2898 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
2901 "hda_intel: probe_mask set to 0x%x "
2902 "for device %04x:%04x\n",
2903 q->value, q->subvendor, q->subdevice);
2904 chip->codec_probe_mask = q->value;
2908 /* check forced option */
2909 if (chip->codec_probe_mask != -1 &&
2910 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
2911 chip->codec_mask = chip->codec_probe_mask & 0xff;
2912 printk(KERN_INFO "hda_intel: codec_mask forced to 0x%x\n",
2918 * white/black-list for enable_msi
2920 static struct snd_pci_quirk msi_black_list[] __devinitdata = {
2921 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
2922 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
2923 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
2924 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
2925 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
2929 static void __devinit check_msi(struct azx *chip)
2931 const struct snd_pci_quirk *q;
2933 if (enable_msi >= 0) {
2934 chip->msi = !!enable_msi;
2937 chip->msi = 1; /* enable MSI as default */
2938 q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
2941 "hda_intel: msi for device %04x:%04x set to %d\n",
2942 q->subvendor, q->subdevice, q->value);
2943 chip->msi = q->value;
2947 /* NVidia chipsets seem to cause troubles with MSI */
2948 if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
2949 printk(KERN_INFO "hda_intel: Disabling MSI\n");
2954 /* check the snoop mode availability */
2955 static void __devinit azx_check_snoop_available(struct azx *chip)
2957 bool snoop = chip->snoop;
2959 switch (chip->driver_type) {
2960 case AZX_DRIVER_VIA:
2961 /* force to non-snoop mode for a new VIA controller
2966 pci_read_config_byte(chip->pci, 0x42, &val);
2967 if (!(val & 0x80) && chip->pci->revision == 0x30)
2971 case AZX_DRIVER_ATIHDMI_NS:
2972 /* new ATI HDMI requires non-snoop */
2977 if (snoop != chip->snoop) {
2978 snd_printk(KERN_INFO SFX "Force to %s mode\n",
2979 snoop ? "snoop" : "non-snoop");
2980 chip->snoop = snoop;
2987 static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
2988 int dev, unsigned int driver_caps,
2991 static struct snd_device_ops ops = {
2992 .dev_free = azx_dev_free,
2999 err = pci_enable_device(pci);
3003 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
3005 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
3006 pci_disable_device(pci);
3010 spin_lock_init(&chip->reg_lock);
3011 mutex_init(&chip->open_mutex);
3015 chip->driver_caps = driver_caps;
3016 chip->driver_type = driver_caps & 0xff;
3018 chip->dev_index = dev;
3019 INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
3020 INIT_LIST_HEAD(&chip->pcm_list);
3021 INIT_LIST_HEAD(&chip->list);
3022 init_vga_switcheroo(chip);
3024 chip->position_fix[0] = chip->position_fix[1] =
3025 check_position_fix(chip, position_fix[dev]);
3026 /* combo mode uses LPIB for playback */
3027 if (chip->position_fix[0] == POS_FIX_COMBO) {
3028 chip->position_fix[0] = POS_FIX_LPIB;
3029 chip->position_fix[1] = POS_FIX_AUTO;
3032 check_probe_mask(chip, dev);
3034 chip->single_cmd = single_cmd;
3035 chip->snoop = hda_snoop;
3036 azx_check_snoop_available(chip);
3038 if (bdl_pos_adj[dev] < 0) {
3039 switch (chip->driver_type) {
3040 case AZX_DRIVER_ICH:
3041 case AZX_DRIVER_PCH:
3042 bdl_pos_adj[dev] = 1;
3045 bdl_pos_adj[dev] = 32;
3050 if (check_hdmi_disabled(pci)) {
3051 snd_printk(KERN_INFO SFX "VGA controller for %s is disabled\n",
3053 if (use_vga_switcheroo(chip)) {
3054 snd_printk(KERN_INFO SFX "Delaying initialization\n");
3055 chip->disabled = true;
3059 pci_disable_device(pci);
3063 err = azx_first_init(chip);
3070 err = register_vga_switcheroo(chip);
3072 snd_printk(KERN_ERR SFX
3073 "Error registering VGA-switcheroo client\n");
3078 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
3080 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
3089 static int DELAYED_INIT_MARK azx_first_init(struct azx *chip)
3091 int dev = chip->dev_index;
3092 struct pci_dev *pci = chip->pci;
3093 struct snd_card *card = chip->card;
3095 unsigned short gcap;
3097 #if BITS_PER_LONG != 64
3098 /* Fix up base address on ULI M5461 */
3099 if (chip->driver_type == AZX_DRIVER_ULI) {
3101 pci_read_config_word(pci, 0x40, &tmp3);
3102 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
3103 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
3107 err = pci_request_regions(pci, "ICH HD audio");
3110 chip->region_requested = 1;
3112 chip->addr = pci_resource_start(pci, 0);
3113 chip->remap_addr = pci_ioremap_bar(pci, 0);
3114 if (chip->remap_addr == NULL) {
3115 snd_printk(KERN_ERR SFX "ioremap error\n");
3120 if (pci_enable_msi(pci) < 0)
3123 if (azx_acquire_irq(chip, 0) < 0)
3126 pci_set_master(pci);
3127 synchronize_irq(chip->irq);
3129 gcap = azx_readw(chip, GCAP);
3130 snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
3132 /* disable SB600 64bit support for safety */
3133 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
3134 struct pci_dev *p_smbus;
3135 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
3136 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
3139 if (p_smbus->revision < 0x30)
3140 gcap &= ~ICH6_GCAP_64OK;
3141 pci_dev_put(p_smbus);
3145 /* disable 64bit DMA address on some devices */
3146 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
3147 snd_printd(SFX "Disabling 64bit DMA\n");
3148 gcap &= ~ICH6_GCAP_64OK;
3151 /* disable buffer size rounding to 128-byte multiples if supported */
3152 if (align_buffer_size >= 0)
3153 chip->align_buffer_size = !!align_buffer_size;
3155 if (chip->driver_caps & AZX_DCAPS_BUFSIZE)
3156 chip->align_buffer_size = 0;
3157 else if (chip->driver_caps & AZX_DCAPS_ALIGN_BUFSIZE)
3158 chip->align_buffer_size = 1;
3160 chip->align_buffer_size = 1;
3163 /* allow 64bit DMA address if supported by H/W */
3164 if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
3165 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
3167 pci_set_dma_mask(pci, DMA_BIT_MASK(32));
3168 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
3171 /* read number of streams from GCAP register instead of using
3174 chip->capture_streams = (gcap >> 8) & 0x0f;
3175 chip->playback_streams = (gcap >> 12) & 0x0f;
3176 if (!chip->playback_streams && !chip->capture_streams) {
3177 /* gcap didn't give any info, switching to old method */
3179 switch (chip->driver_type) {
3180 case AZX_DRIVER_ULI:
3181 chip->playback_streams = ULI_NUM_PLAYBACK;
3182 chip->capture_streams = ULI_NUM_CAPTURE;
3184 case AZX_DRIVER_ATIHDMI:
3185 case AZX_DRIVER_ATIHDMI_NS:
3186 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
3187 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
3189 case AZX_DRIVER_GENERIC:
3191 chip->playback_streams = ICH6_NUM_PLAYBACK;
3192 chip->capture_streams = ICH6_NUM_CAPTURE;
3196 chip->capture_index_offset = 0;
3197 chip->playback_index_offset = chip->capture_streams;
3198 chip->num_streams = chip->playback_streams + chip->capture_streams;
3199 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
3201 if (!chip->azx_dev) {
3202 snd_printk(KERN_ERR SFX "cannot malloc azx_dev\n");
3206 for (i = 0; i < chip->num_streams; i++) {
3207 /* allocate memory for the BDL for each stream */
3208 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
3209 snd_dma_pci_data(chip->pci),
3210 BDL_SIZE, &chip->azx_dev[i].bdl);
3212 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
3215 mark_pages_wc(chip, &chip->azx_dev[i].bdl, true);
3217 /* allocate memory for the position buffer */
3218 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
3219 snd_dma_pci_data(chip->pci),
3220 chip->num_streams * 8, &chip->posbuf);
3222 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
3225 mark_pages_wc(chip, &chip->posbuf, true);
3226 /* allocate CORB/RIRB */
3227 err = azx_alloc_cmd_io(chip);
3231 /* initialize streams */
3232 azx_init_stream(chip);
3234 /* initialize chip */
3236 azx_init_chip(chip, (probe_only[dev] & 2) == 0);
3238 /* codec detection */
3239 if (!chip->codec_mask) {
3240 snd_printk(KERN_ERR SFX "no codecs found!\n");
3244 strcpy(card->driver, "HDA-Intel");
3245 strlcpy(card->shortname, driver_short_names[chip->driver_type],
3246 sizeof(card->shortname));
3247 snprintf(card->longname, sizeof(card->longname),
3248 "%s at 0x%lx irq %i",
3249 card->shortname, chip->addr, chip->irq);
3254 static void power_down_all_codecs(struct azx *chip)
3257 /* The codecs were powered up in snd_hda_codec_new().
3258 * Now all initialization done, so turn them down if possible
3260 struct hda_codec *codec;
3261 list_for_each_entry(codec, &chip->bus->codec_list, list) {
3262 snd_hda_power_down(codec);
3267 #ifdef CONFIG_SND_HDA_PATCH_LOADER
3268 /* callback from request_firmware_nowait() */
3269 static void azx_firmware_cb(const struct firmware *fw, void *context)
3271 struct snd_card *card = context;
3272 struct azx *chip = card->private_data;
3273 struct pci_dev *pci = chip->pci;
3276 snd_printk(KERN_ERR SFX "Cannot load firmware, aborting\n");
3281 if (!chip->disabled) {
3282 /* continue probing */
3283 if (azx_probe_continue(chip))
3289 snd_card_free(card);
3290 pci_set_drvdata(pci, NULL);
3294 static int __devinit azx_probe(struct pci_dev *pci,
3295 const struct pci_device_id *pci_id)
3298 struct snd_card *card;
3303 if (dev >= SNDRV_CARDS)
3310 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
3312 snd_printk(KERN_ERR SFX "Error creating card!\n");
3316 snd_card_set_dev(card, &pci->dev);
3318 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
3321 card->private_data = chip;
3322 probe_now = !chip->disabled;
3324 #ifdef CONFIG_SND_HDA_PATCH_LOADER
3325 if (patch[dev] && *patch[dev]) {
3326 snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
3328 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
3329 &pci->dev, GFP_KERNEL, card,
3333 probe_now = false; /* continued in azx_firmware_cb() */
3335 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
3338 err = azx_probe_continue(chip);
3343 pci_set_drvdata(pci, card);
3345 if (pci_dev_run_wake(pci))
3346 pm_runtime_put_noidle(&pci->dev);
3352 snd_card_free(card);
3356 static int DELAYED_INIT_MARK azx_probe_continue(struct azx *chip)
3358 int dev = chip->dev_index;
3361 #ifdef CONFIG_SND_HDA_INPUT_BEEP
3362 chip->beep_mode = beep_mode[dev];
3365 /* create codec instances */
3366 err = azx_codec_create(chip, model[dev]);
3369 #ifdef CONFIG_SND_HDA_PATCH_LOADER
3371 err = snd_hda_load_patch(chip->bus, chip->fw->size,
3375 release_firmware(chip->fw); /* no longer needed */
3379 if ((probe_only[dev] & 1) == 0) {
3380 err = azx_codec_configure(chip);
3385 /* create PCM streams */
3386 err = snd_hda_build_pcms(chip->bus);
3390 /* create mixer controls */
3391 err = azx_mixer_create(chip);
3395 err = snd_card_register(chip->card);
3400 power_down_all_codecs(chip);
3401 azx_notifier_register(chip);
3402 azx_add_card_list(chip);
3407 chip->init_failed = 1;
3411 static void __devexit azx_remove(struct pci_dev *pci)
3413 struct snd_card *card = pci_get_drvdata(pci);
3415 if (pci_dev_run_wake(pci))
3416 pm_runtime_get_noresume(&pci->dev);
3419 snd_card_free(card);
3420 pci_set_drvdata(pci, NULL);
3424 static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
3426 { PCI_DEVICE(0x8086, 0x1c20),
3427 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
3428 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3430 { PCI_DEVICE(0x8086, 0x1d20),
3431 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
3434 { PCI_DEVICE(0x8086, 0x1e20),
3435 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
3436 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3438 { PCI_DEVICE(0x8086, 0x8c20),
3439 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
3440 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3442 { PCI_DEVICE(0x8086, 0x9c20),
3443 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
3444 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3446 { PCI_DEVICE(0x8086, 0x9c21),
3447 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
3448 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3450 { PCI_DEVICE(0x8086, 0x0c0c),
3451 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
3452 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3453 { PCI_DEVICE(0x8086, 0x0d0c),
3454 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
3455 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3457 { PCI_DEVICE(0x8086, 0x3b56),
3458 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
3459 AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
3461 { PCI_DEVICE(0x8086, 0x811b),
3462 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
3463 AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
3464 { PCI_DEVICE(0x8086, 0x080a),
3465 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
3466 AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Oaktrail */
3468 { PCI_DEVICE(0x8086, 0x2668),
3469 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3470 AZX_DCAPS_BUFSIZE }, /* ICH6 */
3471 { PCI_DEVICE(0x8086, 0x27d8),
3472 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3473 AZX_DCAPS_BUFSIZE }, /* ICH7 */
3474 { PCI_DEVICE(0x8086, 0x269a),
3475 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3476 AZX_DCAPS_BUFSIZE }, /* ESB2 */
3477 { PCI_DEVICE(0x8086, 0x284b),
3478 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3479 AZX_DCAPS_BUFSIZE }, /* ICH8 */
3480 { PCI_DEVICE(0x8086, 0x293e),
3481 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3482 AZX_DCAPS_BUFSIZE }, /* ICH9 */
3483 { PCI_DEVICE(0x8086, 0x293f),
3484 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3485 AZX_DCAPS_BUFSIZE }, /* ICH9 */
3486 { PCI_DEVICE(0x8086, 0x3a3e),
3487 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3488 AZX_DCAPS_BUFSIZE }, /* ICH10 */
3489 { PCI_DEVICE(0x8086, 0x3a6e),
3490 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3491 AZX_DCAPS_BUFSIZE }, /* ICH10 */
3493 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
3494 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3495 .class_mask = 0xffffff,
3496 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_BUFSIZE },
3497 /* ATI SB 450/600/700/800/900 */
3498 { PCI_DEVICE(0x1002, 0x437b),
3499 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
3500 { PCI_DEVICE(0x1002, 0x4383),
3501 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
3503 { PCI_DEVICE(0x1022, 0x780d),
3504 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
3506 { PCI_DEVICE(0x1002, 0x793b),
3507 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3508 { PCI_DEVICE(0x1002, 0x7919),
3509 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3510 { PCI_DEVICE(0x1002, 0x960f),
3511 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3512 { PCI_DEVICE(0x1002, 0x970f),
3513 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3514 { PCI_DEVICE(0x1002, 0xaa00),
3515 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3516 { PCI_DEVICE(0x1002, 0xaa08),
3517 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3518 { PCI_DEVICE(0x1002, 0xaa10),
3519 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3520 { PCI_DEVICE(0x1002, 0xaa18),
3521 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3522 { PCI_DEVICE(0x1002, 0xaa20),
3523 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3524 { PCI_DEVICE(0x1002, 0xaa28),
3525 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3526 { PCI_DEVICE(0x1002, 0xaa30),
3527 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3528 { PCI_DEVICE(0x1002, 0xaa38),
3529 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3530 { PCI_DEVICE(0x1002, 0xaa40),
3531 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3532 { PCI_DEVICE(0x1002, 0xaa48),
3533 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3534 { PCI_DEVICE(0x1002, 0x9902),
3535 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3536 { PCI_DEVICE(0x1002, 0xaaa0),
3537 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3538 { PCI_DEVICE(0x1002, 0xaaa8),
3539 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3540 { PCI_DEVICE(0x1002, 0xaab0),
3541 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3542 /* VIA VT8251/VT8237A */
3543 { PCI_DEVICE(0x1106, 0x3288),
3544 .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA },
3545 /* VIA GFX VT7122/VX900 */
3546 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
3547 /* VIA GFX VT6122/VX11 */
3548 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
3550 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
3552 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
3554 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
3555 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3556 .class_mask = 0xffffff,
3557 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
3559 { PCI_DEVICE(0x6549, 0x1200),
3560 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
3561 /* Creative X-Fi (CA0110-IBG) */
3563 { PCI_DEVICE(0x1102, 0x0010),
3564 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
3565 { PCI_DEVICE(0x1102, 0x0012),
3566 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
3567 #if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
3568 /* the following entry conflicts with snd-ctxfi driver,
3569 * as ctxfi driver mutates from HD-audio to native mode with
3570 * a special command sequence.
3572 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
3573 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3574 .class_mask = 0xffffff,
3575 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
3576 AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
3578 /* this entry seems still valid -- i.e. without emu20kx chip */
3579 { PCI_DEVICE(0x1102, 0x0009),
3580 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
3581 AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
3584 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
3585 /* VMware HDAudio */
3586 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
3587 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
3588 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
3589 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3590 .class_mask = 0xffffff,
3591 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
3592 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
3593 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3594 .class_mask = 0xffffff,
3595 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
3598 MODULE_DEVICE_TABLE(pci, azx_ids);
3600 /* pci_driver definition */
3601 static struct pci_driver azx_driver = {
3602 .name = KBUILD_MODNAME,
3603 .id_table = azx_ids,
3605 .remove = __devexit_p(azx_remove),
3611 module_pci_driver(azx_driver);