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ALSA: usb-audio: proc: use found syncmaxsize to determine feedback format
[deliverable/linux.git] / sound / pci / hda / hda_intel.c
CommitLineData
1da177e4
LT		 1/*
2 *
d01ce99f
TI		 3 * hda_intel.c - Implementation of primary alsa driver code base
4 * for Intel HD Audio.
1da177e4
LT		 5 *
6 * Copyright(c) 2004 Intel Corporation. All rights reserved.
7 *
8 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
9 * PeiSen Hou <pshou@realtek.com.tw>
10 *
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)
14 * any later version.
15 *
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
19 * more details.
20 *
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.
24 *
25 * CONTACTS:
26 *
27 * Matt Jared matt.jared@intel.com
28 * Andy Kopp andy.kopp@intel.com
29 * Dan Kogan dan.d.kogan@intel.com
30 *
31 * CHANGES:
32 *
33 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou
34 *
35 */
36
1da177e4
LT		 37#include <linux/delay.h>
38#include <linux/interrupt.h>
362775e2 39#include <linux/kernel.h>
1da177e4 40#include <linux/module.h>
24982c5f 41#include <linux/dma-mapping.h>
1da177e4
LT		 42#include <linux/moduleparam.h>
43#include <linux/init.h>
44#include <linux/slab.h>
45#include <linux/pci.h>
62932df8 46#include <linux/mutex.h>
0cbf0098 47#include <linux/reboot.h>
27fe48d9 48#include <linux/io.h>
b8dfc462 49#include <linux/pm_runtime.h>
5d890f59
PLB		 50#include <linux/clocksource.h>
51#include <linux/time.h>
f4c482a4 52#include <linux/completion.h>
5d890f59 53
27fe48d9
TI		 54#ifdef CONFIG_X86
55/* for snoop control */
56#include <asm/pgtable.h>
57#include <asm/cacheflush.h>
58#endif
1da177e4
LT		 59#include <sound/core.h>
60#include <sound/initval.h>
9121947d 61#include <linux/vgaarb.h>
a82d51ed 62#include <linux/vga_switcheroo.h>
4918cdab 63#include <linux/firmware.h>
1da177e4
LT		 64#include "hda_codec.h"
65
66
5aba4f8e
TI		 67static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
68static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
a67ff6a5 69static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
5aba4f8e 70static char *model[SNDRV_CARDS];
1dac6695 71static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
5c0d7bc1 72static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
5aba4f8e 73static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
d4d9cd03 74static int probe_only[SNDRV_CARDS];
26a6cb6c 75static int jackpoll_ms[SNDRV_CARDS];
a67ff6a5 76static bool single_cmd;
71623855 77static int enable_msi = -1;
4ea6fbc8
TI		 78#ifdef CONFIG_SND_HDA_PATCH_LOADER
79static char *patch[SNDRV_CARDS];
80#endif
2dca0bba 81#ifdef CONFIG_SND_HDA_INPUT_BEEP
0920c9b4 82static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
2dca0bba
JK		 83 CONFIG_SND_HDA_INPUT_BEEP_MODE};
84#endif
1da177e4 85
5aba4f8e 86module_param_array(index, int, NULL, 0444);
1da177e4 87MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
5aba4f8e 88module_param_array(id, charp, NULL, 0444);
1da177e4 89MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
5aba4f8e
TI		 90module_param_array(enable, bool, NULL, 0444);
91MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
92module_param_array(model, charp, NULL, 0444);
1da177e4 93MODULE_PARM_DESC(model, "Use the given board model.");
5aba4f8e 94module_param_array(position_fix, int, NULL, 0444);
4cb36310 95MODULE_PARM_DESC(position_fix, "DMA pointer read method."
1dac6695 96 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
555e219f
TI		 97module_param_array(bdl_pos_adj, int, NULL, 0644);
98MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
5aba4f8e 99module_param_array(probe_mask, int, NULL, 0444);
606ad75f 100MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
079e683e 101module_param_array(probe_only, int, NULL, 0444);
d4d9cd03 102MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
26a6cb6c
DH		 103module_param_array(jackpoll_ms, int, NULL, 0444);
104MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
27346166 105module_param(single_cmd, bool, 0444);
d01ce99f
TI		 106MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
107 "(for debugging only).");
ac9ef6cf 108module_param(enable_msi, bint, 0444);
134a11f0 109MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
4ea6fbc8
TI		 110#ifdef CONFIG_SND_HDA_PATCH_LOADER
111module_param_array(patch, charp, NULL, 0444);
112MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
113#endif
2dca0bba 114#ifdef CONFIG_SND_HDA_INPUT_BEEP
0920c9b4 115module_param_array(beep_mode, bool, NULL, 0444);
2dca0bba 116MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
0920c9b4 117 "(0=off, 1=on) (default=1).");
2dca0bba 118#endif
606ad75f 119
83012a7c 120#ifdef CONFIG_PM
65fcd41d
TI		 121static int param_set_xint(const char *val, const struct kernel_param *kp);
122static struct kernel_param_ops param_ops_xint = {
123 .set = param_set_xint,
124 .get = param_get_int,
125};
126#define param_check_xint param_check_int
127
fee2fba3 128static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
65fcd41d 129module_param(power_save, xint, 0644);
fee2fba3
TI		 130MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
131 "(in second, 0 = disable).");
1da177e4 132
dee1b66c
TI		 133/* reset the HD-audio controller in power save mode.
134 * this may give more power-saving, but will take longer time to
135 * wake up.
136 */
8fc24426
TI		 137static bool power_save_controller = 1;
138module_param(power_save_controller, bool, 0644);
dee1b66c 139MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
83012a7c 140#endif /* CONFIG_PM */
dee1b66c 141
7bfe059e
TI		 142static int align_buffer_size = -1;
143module_param(align_buffer_size, bint, 0644);
2ae66c26
PLB		 144MODULE_PARM_DESC(align_buffer_size,
145 "Force buffer and period sizes to be multiple of 128 bytes.");
146
27fe48d9
TI		 147#ifdef CONFIG_X86
148static bool hda_snoop = true;
149module_param_named(snoop, hda_snoop, bool, 0444);
150MODULE_PARM_DESC(snoop, "Enable/disable snooping");
151#define azx_snoop(chip) (chip)->snoop
152#else
153#define hda_snoop true
154#define azx_snoop(chip) true
155#endif
156
157
1da177e4
LT		 158MODULE_LICENSE("GPL");
159MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
160 "{Intel, ICH6M},"
2f1b3818 161 "{Intel, ICH7},"
f5d40b30 162 "{Intel, ESB2},"
d2981393 163 "{Intel, ICH8},"
f9cc8a8b 164 "{Intel, ICH9},"
c34f5a04 165 "{Intel, ICH10},"
b29c2360 166 "{Intel, PCH},"
d2f2fcd2 167 "{Intel, CPT},"
d2edeb7c 168 "{Intel, PPT},"
8bc039a1 169 "{Intel, LPT},"
144dad99 170 "{Intel, LPT_LP},"
e926f2c8 171 "{Intel, HPT},"
cea310e8 172 "{Intel, PBG},"
4979bca9 173 "{Intel, SCH},"
fc20a562 174 "{ATI, SB450},"
89be83f8 175 "{ATI, SB600},"
778b6e1b 176 "{ATI, RS600},"
5b15c95f 177 "{ATI, RS690},"
e6db1119
WL		 178 "{ATI, RS780},"
179 "{ATI, R600},"
2797f724
HRK		 180 "{ATI, RV630},"
181 "{ATI, RV610},"
27da1834
WL		 182 "{ATI, RV670},"
183 "{ATI, RV635},"
184 "{ATI, RV620},"
185 "{ATI, RV770},"
fc20a562 186 "{VIA, VT8251},"
47672310 187 "{VIA, VT8237A},"
07e4ca50
TI		 188 "{SiS, SIS966},"
189 "{ULI, M5461}}");
1da177e4
LT		 190MODULE_DESCRIPTION("Intel HDA driver");
191
4abc1cc2
TI		 192#ifdef CONFIG_SND_VERBOSE_PRINTK
193#define SFX /* nop */
194#else
445a51b3 195#define SFX "hda-intel "
4abc1cc2 196#endif
cb53c626 197
a82d51ed
TI		 198#if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
199#ifdef CONFIG_SND_HDA_CODEC_HDMI
200#define SUPPORT_VGA_SWITCHEROO
201#endif
202#endif
203
204
1da177e4
LT		 205/*
206 * registers
207 */
208#define ICH6_REG_GCAP 0x00
b21fadb9
TI		 209#define ICH6_GCAP_64OK (1 << 0) /* 64bit address support */
210#define ICH6_GCAP_NSDO (3 << 1) /* # of serial data out signals */
211#define ICH6_GCAP_BSS (31 << 3) /* # of bidirectional streams */
212#define ICH6_GCAP_ISS (15 << 8) /* # of input streams */
213#define ICH6_GCAP_OSS (15 << 12) /* # of output streams */
1da177e4
LT		 214#define ICH6_REG_VMIN 0x02
215#define ICH6_REG_VMAJ 0x03
216#define ICH6_REG_OUTPAY 0x04
217#define ICH6_REG_INPAY 0x06
218#define ICH6_REG_GCTL 0x08
8a933ece 219#define ICH6_GCTL_RESET (1 << 0) /* controller reset */
b21fadb9
TI		 220#define ICH6_GCTL_FCNTRL (1 << 1) /* flush control */
221#define ICH6_GCTL_UNSOL (1 << 8) /* accept unsol. response enable */
1da177e4
LT		 222#define ICH6_REG_WAKEEN 0x0c
223#define ICH6_REG_STATESTS 0x0e
224#define ICH6_REG_GSTS 0x10
b21fadb9 225#define ICH6_GSTS_FSTS (1 << 1) /* flush status */
1da177e4
LT		 226#define ICH6_REG_INTCTL 0x20
227#define ICH6_REG_INTSTS 0x24
e5463720 228#define ICH6_REG_WALLCLK 0x30 /* 24Mhz source */
8b0bd226
TI		 229#define ICH6_REG_OLD_SSYNC 0x34 /* SSYNC for old ICH */
230#define ICH6_REG_SSYNC 0x38
1da177e4
LT		 231#define ICH6_REG_CORBLBASE 0x40
232#define ICH6_REG_CORBUBASE 0x44
233#define ICH6_REG_CORBWP 0x48
b21fadb9
TI		 234#define ICH6_REG_CORBRP 0x4a
235#define ICH6_CORBRP_RST (1 << 15) /* read pointer reset */
1da177e4 236#define ICH6_REG_CORBCTL 0x4c
b21fadb9
TI		 237#define ICH6_CORBCTL_RUN (1 << 1) /* enable DMA */
238#define ICH6_CORBCTL_CMEIE (1 << 0) /* enable memory error irq */
1da177e4 239#define ICH6_REG_CORBSTS 0x4d
b21fadb9 240#define ICH6_CORBSTS_CMEI (1 << 0) /* memory error indication */
1da177e4
LT		 241#define ICH6_REG_CORBSIZE 0x4e
242
243#define ICH6_REG_RIRBLBASE 0x50
244#define ICH6_REG_RIRBUBASE 0x54
245#define ICH6_REG_RIRBWP 0x58
b21fadb9 246#define ICH6_RIRBWP_RST (1 << 15) /* write pointer reset */
1da177e4
LT		 247#define ICH6_REG_RINTCNT 0x5a
248#define ICH6_REG_RIRBCTL 0x5c
b21fadb9
TI		 249#define ICH6_RBCTL_IRQ_EN (1 << 0) /* enable IRQ */
250#define ICH6_RBCTL_DMA_EN (1 << 1) /* enable DMA */
251#define ICH6_RBCTL_OVERRUN_EN (1 << 2) /* enable overrun irq */
1da177e4 252#define ICH6_REG_RIRBSTS 0x5d
b21fadb9
TI		 253#define ICH6_RBSTS_IRQ (1 << 0) /* response irq */
254#define ICH6_RBSTS_OVERRUN (1 << 2) /* overrun irq */
1da177e4
LT		 255#define ICH6_REG_RIRBSIZE 0x5e
256
257#define ICH6_REG_IC 0x60
258#define ICH6_REG_IR 0x64
259#define ICH6_REG_IRS 0x68
260#define ICH6_IRS_VALID (1<<1)
261#define ICH6_IRS_BUSY (1<<0)
262
263#define ICH6_REG_DPLBASE 0x70
264#define ICH6_REG_DPUBASE 0x74
265#define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */
266
267/* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
268enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
269
270/* stream register offsets from stream base */
271#define ICH6_REG_SD_CTL 0x00
272#define ICH6_REG_SD_STS 0x03
273#define ICH6_REG_SD_LPIB 0x04
274#define ICH6_REG_SD_CBL 0x08
275#define ICH6_REG_SD_LVI 0x0c
276#define ICH6_REG_SD_FIFOW 0x0e
277#define ICH6_REG_SD_FIFOSIZE 0x10
278#define ICH6_REG_SD_FORMAT 0x12
279#define ICH6_REG_SD_BDLPL 0x18
280#define ICH6_REG_SD_BDLPU 0x1c
281
282/* PCI space */
283#define ICH6_PCIREG_TCSEL 0x44
284
285/*
286 * other constants
287 */
288
289/* max number of SDs */
07e4ca50 290/* ICH, ATI and VIA have 4 playback and 4 capture */
07e4ca50 291#define ICH6_NUM_CAPTURE 4
07e4ca50
TI		 292#define ICH6_NUM_PLAYBACK 4
293
294/* ULI has 6 playback and 5 capture */
07e4ca50 295#define ULI_NUM_CAPTURE 5
07e4ca50
TI		 296#define ULI_NUM_PLAYBACK 6
297
778b6e1b 298/* ATI HDMI has 1 playback and 0 capture */
778b6e1b 299#define ATIHDMI_NUM_CAPTURE 0
778b6e1b
FK		 300#define ATIHDMI_NUM_PLAYBACK 1
301
f269002e
KY		 302/* TERA has 4 playback and 3 capture */
303#define TERA_NUM_CAPTURE 3
304#define TERA_NUM_PLAYBACK 4
305
07e4ca50
TI		 306/* this number is statically defined for simplicity */
307#define MAX_AZX_DEV 16
308
1da177e4 309/* max number of fragments - we may use more if allocating more pages for BDL */
4ce107b9
TI		 310#define BDL_SIZE 4096
311#define AZX_MAX_BDL_ENTRIES (BDL_SIZE / 16)
312#define AZX_MAX_FRAG 32
1da177e4
LT		 313/* max buffer size - no h/w limit, you can increase as you like */
314#define AZX_MAX_BUF_SIZE (1024*1024*1024)
1da177e4
LT		 315
316/* RIRB int mask: overrun[2], response[0] */
317#define RIRB_INT_RESPONSE 0x01
318#define RIRB_INT_OVERRUN 0x04
319#define RIRB_INT_MASK 0x05
320
2f5983f2 321/* STATESTS int mask: S3,SD2,SD1,SD0 */
7445dfc1
WN		 322#define AZX_MAX_CODECS 8
323#define AZX_DEFAULT_CODECS 4
deadff16 324#define STATESTS_INT_MASK ((1 << AZX_MAX_CODECS) - 1)
1da177e4
LT		 325
326/* SD_CTL bits */
327#define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
328#define SD_CTL_DMA_START 0x02 /* stream DMA start bit */
850f0e52
TI		 329#define SD_CTL_STRIPE (3 << 16) /* stripe control */
330#define SD_CTL_TRAFFIC_PRIO (1 << 18) /* traffic priority */
331#define SD_CTL_DIR (1 << 19) /* bi-directional stream */
1da177e4
LT		 332#define SD_CTL_STREAM_TAG_MASK (0xf << 20)
333#define SD_CTL_STREAM_TAG_SHIFT 20
334
335/* SD_CTL and SD_STS */
336#define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */
337#define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
338#define SD_INT_COMPLETE 0x04 /* completion interrupt */
d01ce99f
TI		 339#define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
340 SD_INT_COMPLETE)
1da177e4
LT		 341
342/* SD_STS */
343#define SD_STS_FIFO_READY 0x20 /* FIFO ready */
344
345/* INTCTL and INTSTS */
d01ce99f
TI		 346#define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */
347#define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */
348#define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */
1da177e4 349
1da177e4
LT		 350/* below are so far hardcoded - should read registers in future */
351#define ICH6_MAX_CORB_ENTRIES 256
352#define ICH6_MAX_RIRB_ENTRIES 256
353
c74db86b
TI		 354/* position fix mode */
355enum {
0be3b5d3 356 POS_FIX_AUTO,
d2e1c973 357 POS_FIX_LPIB,
0be3b5d3 358 POS_FIX_POSBUF,
4cb36310 359 POS_FIX_VIACOMBO,
a6f2fd55 360 POS_FIX_COMBO,
c74db86b 361};
1da177e4 362
f5d40b30 363/* Defines for ATI HD Audio support in SB450 south bridge */
f5d40b30
FL		 364#define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
365#define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
366
da3fca21
V		 367/* Defines for Nvidia HDA support */
368#define NVIDIA_HDA_TRANSREG_ADDR 0x4e
369#define NVIDIA_HDA_ENABLE_COHBITS 0x0f
320dcc30
PC		 370#define NVIDIA_HDA_ISTRM_COH 0x4d
371#define NVIDIA_HDA_OSTRM_COH 0x4c
372#define NVIDIA_HDA_ENABLE_COHBIT 0x01
f5d40b30 373
90a5ad52
TI		 374/* Defines for Intel SCH HDA snoop control */
375#define INTEL_SCH_HDA_DEVC 0x78
376#define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
377
0e153474
JC		 378/* Define IN stream 0 FIFO size offset in VIA controller */
379#define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
380/* Define VIA HD Audio Device ID*/
381#define VIA_HDAC_DEVICE_ID 0x3288
382
c4da29ca
YL		 383/* HD Audio class code */
384#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
90a5ad52 385
1da177e4
LT		 386/*
387 */
388
a98f90fd 389struct azx_dev {
4ce107b9 390 struct snd_dma_buffer bdl; /* BDL buffer */
d01ce99f 391 u32 *posbuf; /* position buffer pointer */
1da177e4 392
d01ce99f 393 unsigned int bufsize; /* size of the play buffer in bytes */
9ad593f6 394 unsigned int period_bytes; /* size of the period in bytes */
d01ce99f
TI		 395 unsigned int frags; /* number for period in the play buffer */
396 unsigned int fifo_size; /* FIFO size */
e5463720
JK		 397 unsigned long start_wallclk; /* start + minimum wallclk */
398 unsigned long period_wallclk; /* wallclk for period */
1da177e4 399
d01ce99f 400 void __iomem *sd_addr; /* stream descriptor pointer */
1da177e4 401
d01ce99f 402 u32 sd_int_sta_mask; /* stream int status mask */
1da177e4
LT		 403
404 /* pcm support */
d01ce99f
TI		 405 struct snd_pcm_substream *substream; /* assigned substream,
406 * set in PCM open
407 */
408 unsigned int format_val; /* format value to be set in the
409 * controller and the codec
410 */
1da177e4
LT		 411 unsigned char stream_tag; /* assigned stream */
412 unsigned char index; /* stream index */
d5cf9911 413 int assigned_key; /* last device# key assigned to */
1da177e4 414
927fc866
PM		 415 unsigned int opened :1;
416 unsigned int running :1;
675f25d4 417 unsigned int irq_pending :1;
eb49faa6
TI		 418 unsigned int prepared:1;
419 unsigned int locked:1;
0e153474
JC		 420 /*
421 * For VIA:
422 * A flag to ensure DMA position is 0
423 * when link position is not greater than FIFO size
424 */
425 unsigned int insufficient :1;
27fe48d9 426 unsigned int wc_marked:1;
915bf29e 427 unsigned int no_period_wakeup:1;
5d890f59
PLB		 428
429 struct timecounter azx_tc;
430 struct cyclecounter azx_cc;
eb49faa6
TI		 431
432#ifdef CONFIG_SND_HDA_DSP_LOADER
433 struct mutex dsp_mutex;
434#endif
1da177e4
LT		 435};
436
eb49faa6
TI		 437/* DSP lock helpers */
438#ifdef CONFIG_SND_HDA_DSP_LOADER
439#define dsp_lock_init(dev) mutex_init(&(dev)->dsp_mutex)
440#define dsp_lock(dev) mutex_lock(&(dev)->dsp_mutex)
441#define dsp_unlock(dev) mutex_unlock(&(dev)->dsp_mutex)
442#define dsp_is_locked(dev) ((dev)->locked)
443#else
444#define dsp_lock_init(dev) do {} while (0)
445#define dsp_lock(dev) do {} while (0)
446#define dsp_unlock(dev) do {} while (0)
447#define dsp_is_locked(dev) 0
448#endif
449
1da177e4 450/* CORB/RIRB */
a98f90fd 451struct azx_rb {
1da177e4
LT		 452 u32 *buf; /* CORB/RIRB buffer
453 * Each CORB entry is 4byte, RIRB is 8byte
454 */
455 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
456 /* for RIRB */
457 unsigned short rp, wp; /* read/write pointers */
deadff16
WF		 458 int cmds[AZX_MAX_CODECS]; /* number of pending requests */
459 u32 res[AZX_MAX_CODECS]; /* last read value */
1da177e4
LT		 460};
461
01b65bfb
TI		 462struct azx_pcm {
463 struct azx *chip;
464 struct snd_pcm *pcm;
465 struct hda_codec *codec;
466 struct hda_pcm_stream *hinfo[2];
467 struct list_head list;
468};
469
a98f90fd
TI		 470struct azx {
471 struct snd_card *card;
1da177e4 472 struct pci_dev *pci;
555e219f 473 int dev_index;
1da177e4 474
07e4ca50
TI		 475 /* chip type specific */
476 int driver_type;
9477c58e 477 unsigned int driver_caps;
07e4ca50
TI		 478 int playback_streams;
479 int playback_index_offset;
480 int capture_streams;
481 int capture_index_offset;
482 int num_streams;
483
1da177e4
LT		 484 /* pci resources */
485 unsigned long addr;
486 void __iomem *remap_addr;
487 int irq;
488
489 /* locks */
490 spinlock_t reg_lock;
62932df8 491 struct mutex open_mutex;
f4c482a4 492 struct completion probe_wait;
1da177e4 493
07e4ca50 494 /* streams (x num_streams) */
a98f90fd 495 struct azx_dev *azx_dev;
1da177e4
LT		 496
497 /* PCM */
01b65bfb 498 struct list_head pcm_list; /* azx_pcm list */
1da177e4
LT		 499
500 /* HD codec */
501 unsigned short codec_mask;
f1eaaeec 502 int codec_probe_mask; /* copied from probe_mask option */
1da177e4 503 struct hda_bus *bus;
2dca0bba 504 unsigned int beep_mode;
1da177e4
LT		 505
506 /* CORB/RIRB */
a98f90fd
TI		 507 struct azx_rb corb;
508 struct azx_rb rirb;
1da177e4 509
4ce107b9 510 /* CORB/RIRB and position buffers */
1da177e4
LT		 511 struct snd_dma_buffer rb;
512 struct snd_dma_buffer posbuf;
c74db86b 513
4918cdab
TI		 514#ifdef CONFIG_SND_HDA_PATCH_LOADER
515 const struct firmware *fw;
516#endif
517
c74db86b 518 /* flags */
beaffc39 519 int position_fix[2]; /* for both playback/capture streams */
1eb6dc7d 520 int poll_count;
cb53c626 521 unsigned int running :1;
927fc866
PM		 522 unsigned int initialized :1;
523 unsigned int single_cmd :1;
524 unsigned int polling_mode :1;
68e7fffc 525 unsigned int msi :1;
a6a950a8 526 unsigned int irq_pending_warned :1;
6ce4a3bc 527 unsigned int probing :1; /* codec probing phase */
27fe48d9 528 unsigned int snoop:1;
52409aa6 529 unsigned int align_buffer_size:1;
a82d51ed
TI		 530 unsigned int region_requested:1;
531
532 /* VGA-switcheroo setup */
533 unsigned int use_vga_switcheroo:1;
128960a9 534 unsigned int vga_switcheroo_registered:1;
a82d51ed
TI		 535 unsigned int init_failed:1; /* delayed init failed */
536 unsigned int disabled:1; /* disabled by VGA-switcher */
43bbb6cc
TI		 537
538 /* for debugging */
feb27340 539 unsigned int last_cmd[AZX_MAX_CODECS];
9ad593f6
TI		 540
541 /* for pending irqs */
542 struct work_struct irq_pending_work;
0cbf0098
TI		 543
544 /* reboot notifier (for mysterious hangup problem at power-down) */
545 struct notifier_block reboot_notifier;
65fcd41d
TI		 546
547 /* card list (for power_save trigger) */
548 struct list_head list;
eb49faa6
TI		 549
550#ifdef CONFIG_SND_HDA_DSP_LOADER
551 struct azx_dev saved_azx_dev;
552#endif
1da177e4
LT		 553};
554
1a8506d4
TI		 555#define CREATE_TRACE_POINTS
556#include "hda_intel_trace.h"
557
07e4ca50
TI		 558/* driver types */
559enum {
560 AZX_DRIVER_ICH,
32679f95 561 AZX_DRIVER_PCH,
4979bca9 562 AZX_DRIVER_SCH,
07e4ca50 563 AZX_DRIVER_ATI,
778b6e1b 564 AZX_DRIVER_ATIHDMI,
1815b34a 565 AZX_DRIVER_ATIHDMI_NS,
07e4ca50
TI		 566 AZX_DRIVER_VIA,
567 AZX_DRIVER_SIS,
568 AZX_DRIVER_ULI,
da3fca21 569 AZX_DRIVER_NVIDIA,
f269002e 570 AZX_DRIVER_TERA,
14d34f16 571 AZX_DRIVER_CTX,
5ae763b1 572 AZX_DRIVER_CTHDA,
c4da29ca 573 AZX_DRIVER_GENERIC,
2f5983f2 574 AZX_NUM_DRIVERS, /* keep this as last entry */
07e4ca50
TI		 575};
576
9477c58e
TI		 577/* driver quirks (capabilities) */
578/* bits 0-7 are used for indicating driver type */
579#define AZX_DCAPS_NO_TCSEL (1 << 8) /* No Intel TCSEL bit */
580#define AZX_DCAPS_NO_MSI (1 << 9) /* No MSI support */
581#define AZX_DCAPS_ATI_SNOOP (1 << 10) /* ATI snoop enable */
582#define AZX_DCAPS_NVIDIA_SNOOP (1 << 11) /* Nvidia snoop enable */
583#define AZX_DCAPS_SCH_SNOOP (1 << 12) /* SCH/PCH snoop enable */
584#define AZX_DCAPS_RIRB_DELAY (1 << 13) /* Long delay in read loop */
585#define AZX_DCAPS_RIRB_PRE_DELAY (1 << 14) /* Put a delay before read */
586#define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */
587#define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */
588#define AZX_DCAPS_POSFIX_VIA (1 << 17) /* Use VIACOMBO as default */
589#define AZX_DCAPS_NO_64BIT (1 << 18) /* No 64bit address */
590#define AZX_DCAPS_SYNC_WRITE (1 << 19) /* sync each cmd write */
8b0bd226 591#define AZX_DCAPS_OLD_SSYNC (1 << 20) /* Old SSYNC reg for ICH */
2ae66c26 592#define AZX_DCAPS_BUFSIZE (1 << 21) /* no buffer size alignment */
7bfe059e 593#define AZX_DCAPS_ALIGN_BUFSIZE (1 << 22) /* buffer size alignment */
5ae763b1 594#define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23) /* BDLE in 4k boundary */
90accc58 595#define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25) /* Take LPIB as delay */
2ea3c6a2
TI		 596#define AZX_DCAPS_PM_RUNTIME (1 << 26) /* runtime PM support */
597
598/* quirks for Intel PCH */
d7dab4db 599#define AZX_DCAPS_INTEL_PCH_NOPM \
2ea3c6a2 600 (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \
d7dab4db
TI		 601 AZX_DCAPS_COUNT_LPIB_DELAY)
602
603#define AZX_DCAPS_INTEL_PCH \
604 (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME)
9477c58e
TI		 605
606/* quirks for ATI SB / AMD Hudson */
607#define AZX_DCAPS_PRESET_ATI_SB \
608 (AZX_DCAPS_ATI_SNOOP | AZX_DCAPS_NO_TCSEL | \
609 AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
610
611/* quirks for ATI/AMD HDMI */
612#define AZX_DCAPS_PRESET_ATI_HDMI \
613 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
614
615/* quirks for Nvidia */
616#define AZX_DCAPS_PRESET_NVIDIA \
7bfe059e 617 (AZX_DCAPS_NVIDIA_SNOOP | AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI |\
49d9e77e 618 AZX_DCAPS_ALIGN_BUFSIZE | AZX_DCAPS_NO_64BIT)
9477c58e 619
5ae763b1
TI		 620#define AZX_DCAPS_PRESET_CTHDA \
621 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_4K_BDLE_BOUNDARY)
622
a82d51ed
TI		 623/*
624 * VGA-switcher support
625 */
626#ifdef SUPPORT_VGA_SWITCHEROO
5cb543db
TI		 627#define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
628#else
629#define use_vga_switcheroo(chip) 0
630#endif
631
48c8b0eb 632static char *driver_short_names[] = {
07e4ca50 633 [AZX_DRIVER_ICH] = "HDA Intel",
32679f95 634 [AZX_DRIVER_PCH] = "HDA Intel PCH",
4979bca9 635 [AZX_DRIVER_SCH] = "HDA Intel MID",
07e4ca50 636 [AZX_DRIVER_ATI] = "HDA ATI SB",
778b6e1b 637 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
1815b34a 638 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
07e4ca50
TI		 639 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
640 [AZX_DRIVER_SIS] = "HDA SIS966",
da3fca21
V		 641 [AZX_DRIVER_ULI] = "HDA ULI M5461",
642 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
f269002e 643 [AZX_DRIVER_TERA] = "HDA Teradici",
14d34f16 644 [AZX_DRIVER_CTX] = "HDA Creative",
5ae763b1 645 [AZX_DRIVER_CTHDA] = "HDA Creative",
c4da29ca 646 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
07e4ca50
TI		 647};
648
1da177e4
LT		 649/*
650 * macros for easy use
651 */
652#define azx_writel(chip,reg,value) \
653 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
654#define azx_readl(chip,reg) \
655 readl((chip)->remap_addr + ICH6_REG_##reg)
656#define azx_writew(chip,reg,value) \
657 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
658#define azx_readw(chip,reg) \
659 readw((chip)->remap_addr + ICH6_REG_##reg)
660#define azx_writeb(chip,reg,value) \
661 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
662#define azx_readb(chip,reg) \
663 readb((chip)->remap_addr + ICH6_REG_##reg)
664
665#define azx_sd_writel(dev,reg,value) \
666 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
667#define azx_sd_readl(dev,reg) \
668 readl((dev)->sd_addr + ICH6_REG_##reg)
669#define azx_sd_writew(dev,reg,value) \
670 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
671#define azx_sd_readw(dev,reg) \
672 readw((dev)->sd_addr + ICH6_REG_##reg)
673#define azx_sd_writeb(dev,reg,value) \
674 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
675#define azx_sd_readb(dev,reg) \
676 readb((dev)->sd_addr + ICH6_REG_##reg)
677
678/* for pcm support */
a98f90fd 679#define get_azx_dev(substream) (substream->runtime->private_data)
1da177e4 680
27fe48d9 681#ifdef CONFIG_X86
9ddf1aeb 682static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
27fe48d9 683{
9ddf1aeb
TI		 684 int pages;
685
27fe48d9
TI		 686 if (azx_snoop(chip))
687 return;
9ddf1aeb
TI		 688 if (!dmab || !dmab->area || !dmab->bytes)
689 return;
690
691#ifdef CONFIG_SND_DMA_SGBUF
692 if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
693 struct snd_sg_buf *sgbuf = dmab->private_data;
27fe48d9 694 if (on)
9ddf1aeb 695 set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
27fe48d9 696 else
9ddf1aeb
TI		 697 set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
698 return;
27fe48d9 699 }
9ddf1aeb
TI		 700#endif
701
702 pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
703 if (on)
704 set_memory_wc((unsigned long)dmab->area, pages);
705 else
706 set_memory_wb((unsigned long)dmab->area, pages);
27fe48d9
TI		 707}
708
709static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
710 bool on)
711{
9ddf1aeb 712 __mark_pages_wc(chip, buf, on);
27fe48d9
TI		 713}
714static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
9ddf1aeb 715 struct snd_pcm_substream *substream, bool on)
27fe48d9
TI		 716{
717 if (azx_dev->wc_marked != on) {
9ddf1aeb 718 __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
27fe48d9
TI		 719 azx_dev->wc_marked = on;
720 }
721}
722#else
723/* NOP for other archs */
724static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
725 bool on)
726{
727}
728static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
9ddf1aeb 729 struct snd_pcm_substream *substream, bool on)
27fe48d9
TI		 730{
731}
732#endif
733
68e7fffc 734static int azx_acquire_irq(struct azx *chip, int do_disconnect);
1eb6dc7d 735static int azx_send_cmd(struct hda_bus *bus, unsigned int val);
1da177e4
LT		 736/*
737 * Interface for HD codec
738 */
739
1da177e4
LT		 740/*
741 * CORB / RIRB interface
742 */
a98f90fd 743static int azx_alloc_cmd_io(struct azx *chip)
1da177e4
LT		 744{
745 int err;
746
747 /* single page (at least 4096 bytes) must suffice for both ringbuffes */
d01ce99f
TI		 748 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
749 snd_dma_pci_data(chip->pci),
1da177e4
LT		 750 PAGE_SIZE, &chip->rb);
751 if (err < 0) {
445a51b3 752 snd_printk(KERN_ERR SFX "%s: cannot allocate CORB/RIRB\n", pci_name(chip->pci));
1da177e4
LT		 753 return err;
754 }
27fe48d9 755 mark_pages_wc(chip, &chip->rb, true);
1da177e4
LT		 756 return 0;
757}
758
a98f90fd 759static void azx_init_cmd_io(struct azx *chip)
1da177e4 760{
cdb1fbf2 761 spin_lock_irq(&chip->reg_lock);
1da177e4
LT		 762 /* CORB set up */
763 chip->corb.addr = chip->rb.addr;
764 chip->corb.buf = (u32 *)chip->rb.area;
765 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
766979e0 766 azx_writel(chip, CORBUBASE, upper_32_bits(chip->corb.addr));
1da177e4 767
07e4ca50
TI		 768 /* set the corb size to 256 entries (ULI requires explicitly) */
769 azx_writeb(chip, CORBSIZE, 0x02);
1da177e4
LT		 770 /* set the corb write pointer to 0 */
771 azx_writew(chip, CORBWP, 0);
772 /* reset the corb hw read pointer */
b21fadb9 773 azx_writew(chip, CORBRP, ICH6_CORBRP_RST);
1da177e4 774 /* enable corb dma */
b21fadb9 775 azx_writeb(chip, CORBCTL, ICH6_CORBCTL_RUN);
1da177e4
LT		 776
777 /* RIRB set up */
778 chip->rirb.addr = chip->rb.addr + 2048;
779 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
deadff16
WF		 780 chip->rirb.wp = chip->rirb.rp = 0;
781 memset(chip->rirb.cmds, 0, sizeof(chip->rirb.cmds));
1da177e4 782 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
766979e0 783 azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
1da177e4 784
07e4ca50
TI		 785 /* set the rirb size to 256 entries (ULI requires explicitly) */
786 azx_writeb(chip, RIRBSIZE, 0x02);
1da177e4 787 /* reset the rirb hw write pointer */
b21fadb9 788 azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
1da177e4 789 /* set N=1, get RIRB response interrupt for new entry */
9477c58e 790 if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND)
14d34f16
TI		 791 azx_writew(chip, RINTCNT, 0xc0);
792 else
793 azx_writew(chip, RINTCNT, 1);
1da177e4 794 /* enable rirb dma and response irq */
1da177e4 795 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
cdb1fbf2 796 spin_unlock_irq(&chip->reg_lock);
1da177e4
LT		 797}
798
a98f90fd 799static void azx_free_cmd_io(struct azx *chip)
1da177e4 800{
cdb1fbf2 801 spin_lock_irq(&chip->reg_lock);
1da177e4
LT		 802 /* disable ringbuffer DMAs */
803 azx_writeb(chip, RIRBCTL, 0);
804 azx_writeb(chip, CORBCTL, 0);
cdb1fbf2 805 spin_unlock_irq(&chip->reg_lock);
1da177e4
LT		 806}
807
deadff16
WF		 808static unsigned int azx_command_addr(u32 cmd)
809{
810 unsigned int addr = cmd >> 28;
811
812 if (addr >= AZX_MAX_CODECS) {
813 snd_BUG();
814 addr = 0;
815 }
816
817 return addr;
818}
819
820static unsigned int azx_response_addr(u32 res)
821{
822 unsigned int addr = res & 0xf;
823
824 if (addr >= AZX_MAX_CODECS) {
825 snd_BUG();
826 addr = 0;
827 }
828
829 return addr;
1da177e4
LT		 830}
831
832/* send a command */
33fa35ed 833static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
1da177e4 834{
33fa35ed 835 struct azx *chip = bus->private_data;
deadff16 836 unsigned int addr = azx_command_addr(val);
3bcce5c0 837 unsigned int wp, rp;
1da177e4 838
c32649fe
WF		 839 spin_lock_irq(&chip->reg_lock);
840
1da177e4 841 /* add command to corb */
cc5ede3e
TI		 842 wp = azx_readw(chip, CORBWP);
843 if (wp == 0xffff) {
844 /* something wrong, controller likely turned to D3 */
845 spin_unlock_irq(&chip->reg_lock);
3bcce5c0 846 return -EIO;
cc5ede3e 847 }
1da177e4
LT		 848 wp++;
849 wp %= ICH6_MAX_CORB_ENTRIES;
850
3bcce5c0
TI		 851 rp = azx_readw(chip, CORBRP);
852 if (wp == rp) {
853 /* oops, it's full */
854 spin_unlock_irq(&chip->reg_lock);
855 return -EAGAIN;
856 }
857
deadff16 858 chip->rirb.cmds[addr]++;
1da177e4
LT		 859 chip->corb.buf[wp] = cpu_to_le32(val);
860 azx_writel(chip, CORBWP, wp);
c32649fe 861
1da177e4
LT		 862 spin_unlock_irq(&chip->reg_lock);
863
864 return 0;
865}
866
867#define ICH6_RIRB_EX_UNSOL_EV (1<<4)
868
869/* retrieve RIRB entry - called from interrupt handler */
a98f90fd 870static void azx_update_rirb(struct azx *chip)
1da177e4
LT		 871{
872 unsigned int rp, wp;
deadff16 873 unsigned int addr;
1da177e4
LT		 874 u32 res, res_ex;
875
cc5ede3e
TI		 876 wp = azx_readw(chip, RIRBWP);
877 if (wp == 0xffff) {
878 /* something wrong, controller likely turned to D3 */
879 return;
880 }
881
1da177e4
LT		 882 if (wp == chip->rirb.wp)
883 return;
884 chip->rirb.wp = wp;
deadff16 885
1da177e4
LT		 886 while (chip->rirb.rp != wp) {
887 chip->rirb.rp++;
888 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
889
890 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
891 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
892 res = le32_to_cpu(chip->rirb.buf[rp]);
deadff16 893 addr = azx_response_addr(res_ex);
1da177e4
LT		 894 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
895 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
deadff16
WF		 896 else if (chip->rirb.cmds[addr]) {
897 chip->rirb.res[addr] = res;
2add9b92 898 smp_wmb();
deadff16 899 chip->rirb.cmds[addr]--;
e310bb06 900 } else
9e3d352b 901 snd_printk(KERN_ERR SFX "%s: spurious response %#x:%#x, "
e310bb06 902 "last cmd=%#08x\n",
9e3d352b 903 pci_name(chip->pci),
e310bb06
WF		 904 res, res_ex,
905 chip->last_cmd[addr]);
1da177e4
LT		 906 }
907}
908
909/* receive a response */
deadff16
WF		 910static unsigned int azx_rirb_get_response(struct hda_bus *bus,
911 unsigned int addr)
1da177e4 912{
33fa35ed 913 struct azx *chip = bus->private_data;
5c79b1f8 914 unsigned long timeout;
32cf4023 915 unsigned long loopcounter;
1eb6dc7d 916 int do_poll = 0;
1da177e4 917
5c79b1f8
TI		 918 again:
919 timeout = jiffies + msecs_to_jiffies(1000);
32cf4023
DH		 920
921 for (loopcounter = 0;; loopcounter++) {
1eb6dc7d 922 if (chip->polling_mode || do_poll) {
e96224ae
TI		 923 spin_lock_irq(&chip->reg_lock);
924 azx_update_rirb(chip);
925 spin_unlock_irq(&chip->reg_lock);
926 }
deadff16 927 if (!chip->rirb.cmds[addr]) {
2add9b92 928 smp_rmb();
b613291f 929 bus->rirb_error = 0;
1eb6dc7d
ML		 930
931 if (!do_poll)
932 chip->poll_count = 0;
deadff16 933 return chip->rirb.res[addr]; /* the last value */
2add9b92 934 }
28a0d9df
TI		 935 if (time_after(jiffies, timeout))
936 break;
32cf4023 937 if (bus->needs_damn_long_delay || loopcounter > 3000)
52987656
TI		 938 msleep(2); /* temporary workaround */
939 else {
940 udelay(10);
941 cond_resched();
942 }
28a0d9df 943 }
5c79b1f8 944
1eb6dc7d 945 if (!chip->polling_mode && chip->poll_count < 2) {
445a51b3 946 snd_printdd(SFX "%s: azx_get_response timeout, "
1eb6dc7d 947 "polling the codec once: last cmd=0x%08x\n",
445a51b3 948 pci_name(chip->pci), chip->last_cmd[addr]);
1eb6dc7d
ML		 949 do_poll = 1;
950 chip->poll_count++;
951 goto again;
952 }
953
954
23c4a881 955 if (!chip->polling_mode) {
445a51b3 956 snd_printk(KERN_WARNING SFX "%s: azx_get_response timeout, "
23c4a881 957 "switching to polling mode: last cmd=0x%08x\n",
445a51b3 958 pci_name(chip->pci), chip->last_cmd[addr]);
23c4a881
TI		 959 chip->polling_mode = 1;
960 goto again;
961 }
962
68e7fffc 963 if (chip->msi) {
445a51b3 964 snd_printk(KERN_WARNING SFX "%s: No response from codec, "
feb27340 965 "disabling MSI: last cmd=0x%08x\n",
445a51b3 966 pci_name(chip->pci), chip->last_cmd[addr]);
68e7fffc
TI		 967 free_irq(chip->irq, chip);
968 chip->irq = -1;
969 pci_disable_msi(chip->pci);
970 chip->msi = 0;
b613291f
TI		 971 if (azx_acquire_irq(chip, 1) < 0) {
972 bus->rirb_error = 1;
68e7fffc 973 return -1;
b613291f 974 }
68e7fffc
TI		 975 goto again;
976 }
977
6ce4a3bc
TI		 978 if (chip->probing) {
979 /* If this critical timeout happens during the codec probing
980 * phase, this is likely an access to a non-existing codec
981 * slot. Better to return an error and reset the system.
982 */
983 return -1;
984 }
985
8dd78330
TI		 986 /* a fatal communication error; need either to reset or to fallback
987 * to the single_cmd mode
988 */
b613291f 989 bus->rirb_error = 1;
b20f3b83 990 if (bus->allow_bus_reset && !bus->response_reset && !bus->in_reset) {
8dd78330
TI		 991 bus->response_reset = 1;
992 return -1; /* give a chance to retry */
993 }
994
995 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
996 "switching to single_cmd mode: last cmd=0x%08x\n",
feb27340 997 chip->last_cmd[addr]);
8dd78330
TI		 998 chip->single_cmd = 1;
999 bus->response_reset = 0;
1a696978 1000 /* release CORB/RIRB */
4fcd3920 1001 azx_free_cmd_io(chip);
1a696978
TI		 1002 /* disable unsolicited responses */
1003 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_UNSOL);
5c79b1f8 1004 return -1;
1da177e4
LT		 1005}
1006
1da177e4
LT		 1007/*
1008 * Use the single immediate command instead of CORB/RIRB for simplicity
1009 *
1010 * Note: according to Intel, this is not preferred use. The command was
1011 * intended for the BIOS only, and may get confused with unsolicited
1012 * responses. So, we shouldn't use it for normal operation from the
1013 * driver.
1014 * I left the codes, however, for debugging/testing purposes.
1015 */
1016
b05a7d4f 1017/* receive a response */
deadff16 1018static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
b05a7d4f
TI		 1019{
1020 int timeout = 50;
1021
1022 while (timeout--) {
1023 /* check IRV busy bit */
1024 if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
1025 /* reuse rirb.res as the response return value */
deadff16 1026 chip->rirb.res[addr] = azx_readl(chip, IR);
b05a7d4f
TI		 1027 return 0;
1028 }
1029 udelay(1);
1030 }
1031 if (printk_ratelimit())
445a51b3
DB		 1032 snd_printd(SFX "%s: get_response timeout: IRS=0x%x\n",
1033 pci_name(chip->pci), azx_readw(chip, IRS));
deadff16 1034 chip->rirb.res[addr] = -1;
b05a7d4f
TI		 1035 return -EIO;
1036}
1037
1da177e4 1038/* send a command */
33fa35ed 1039static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
1da177e4 1040{
33fa35ed 1041 struct azx *chip = bus->private_data;
deadff16 1042 unsigned int addr = azx_command_addr(val);
1da177e4
LT		 1043 int timeout = 50;
1044
8dd78330 1045 bus->rirb_error = 0;
1da177e4
LT		 1046 while (timeout--) {
1047 /* check ICB busy bit */
d01ce99f 1048 if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
1da177e4 1049 /* Clear IRV valid bit */
d01ce99f
TI		 1050 azx_writew(chip, IRS, azx_readw(chip, IRS) |
1051 ICH6_IRS_VALID);
1da177e4 1052 azx_writel(chip, IC, val);
d01ce99f
TI		 1053 azx_writew(chip, IRS, azx_readw(chip, IRS) |
1054 ICH6_IRS_BUSY);
deadff16 1055 return azx_single_wait_for_response(chip, addr);
1da177e4
LT		 1056 }
1057 udelay(1);
1058 }
1cfd52bc 1059 if (printk_ratelimit())
445a51b3
DB		 1060 snd_printd(SFX "%s: send_cmd timeout: IRS=0x%x, val=0x%x\n",
1061 pci_name(chip->pci), azx_readw(chip, IRS), val);
1da177e4
LT		 1062 return -EIO;
1063}
1064
1065/* receive a response */
deadff16
WF		 1066static unsigned int azx_single_get_response(struct hda_bus *bus,
1067 unsigned int addr)
1da177e4 1068{
33fa35ed 1069 struct azx *chip = bus->private_data;
deadff16 1070 return chip->rirb.res[addr];
1da177e4
LT		 1071}
1072
111d3af5
TI		 1073/*
1074 * The below are the main callbacks from hda_codec.
1075 *
1076 * They are just the skeleton to call sub-callbacks according to the
1077 * current setting of chip->single_cmd.
1078 */
1079
1080/* send a command */
33fa35ed 1081static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
111d3af5 1082{
33fa35ed 1083 struct azx *chip = bus->private_data;
43bbb6cc 1084
a82d51ed
TI		 1085 if (chip->disabled)
1086 return 0;
feb27340 1087 chip->last_cmd[azx_command_addr(val)] = val;
111d3af5 1088 if (chip->single_cmd)
33fa35ed 1089 return azx_single_send_cmd(bus, val);
111d3af5 1090 else
33fa35ed 1091 return azx_corb_send_cmd(bus, val);
111d3af5
TI		 1092}
1093
1094/* get a response */
deadff16
WF		 1095static unsigned int azx_get_response(struct hda_bus *bus,
1096 unsigned int addr)
111d3af5 1097{
33fa35ed 1098 struct azx *chip = bus->private_data;
a82d51ed
TI		 1099 if (chip->disabled)
1100 return 0;
111d3af5 1101 if (chip->single_cmd)
deadff16 1102 return azx_single_get_response(bus, addr);
111d3af5 1103 else
deadff16 1104 return azx_rirb_get_response(bus, addr);
111d3af5
TI		 1105}
1106
83012a7c 1107#ifdef CONFIG_PM
68467f51 1108static void azx_power_notify(struct hda_bus *bus, bool power_up);
cb53c626 1109#endif
111d3af5 1110
1d1a4564
TI		 1111#ifdef CONFIG_SND_HDA_DSP_LOADER
1112static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format,
1113 unsigned int byte_size,
1114 struct snd_dma_buffer *bufp);
1115static void azx_load_dsp_trigger(struct hda_bus *bus, bool start);
1116static void azx_load_dsp_cleanup(struct hda_bus *bus,
1117 struct snd_dma_buffer *dmab);
1118#endif
1119
1da177e4 1120/* reset codec link */
cd508fe5 1121static int azx_reset(struct azx *chip, int full_reset)
1da177e4 1122{
fa348da5 1123 unsigned long timeout;
1da177e4 1124
cd508fe5
JK		 1125 if (!full_reset)
1126 goto __skip;
1127
e8a7f136
DT		 1128 /* clear STATESTS */
1129 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
1130
1da177e4
LT		 1131 /* reset controller */
1132 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
1133
fa348da5
ML		 1134 timeout = jiffies + msecs_to_jiffies(100);
1135 while (azx_readb(chip, GCTL) &&
1136 time_before(jiffies, timeout))
1137 usleep_range(500, 1000);
1da177e4
LT		 1138
1139 /* delay for >= 100us for codec PLL to settle per spec
1140 * Rev 0.9 section 5.5.1
1141 */
fa348da5 1142 usleep_range(500, 1000);
1da177e4
LT		 1143
1144 /* Bring controller out of reset */
1145 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
1146
fa348da5
ML		 1147 timeout = jiffies + msecs_to_jiffies(100);
1148 while (!azx_readb(chip, GCTL) &&
1149 time_before(jiffies, timeout))
1150 usleep_range(500, 1000);
1da177e4 1151
927fc866 1152 /* Brent Chartrand said to wait >= 540us for codecs to initialize */
fa348da5 1153 usleep_range(1000, 1200);
1da177e4 1154
cd508fe5 1155 __skip:
1da177e4 1156 /* check to see if controller is ready */
927fc866 1157 if (!azx_readb(chip, GCTL)) {
445a51b3 1158 snd_printd(SFX "%s: azx_reset: controller not ready!\n", pci_name(chip->pci));
1da177e4
LT		 1159 return -EBUSY;
1160 }
1161
41e2fce4 1162 /* Accept unsolicited responses */
1a696978
TI		 1163 if (!chip->single_cmd)
1164 azx_writel(chip, GCTL, azx_readl(chip, GCTL) |
1165 ICH6_GCTL_UNSOL);
41e2fce4 1166
1da177e4 1167 /* detect codecs */
927fc866 1168 if (!chip->codec_mask) {
1da177e4 1169 chip->codec_mask = azx_readw(chip, STATESTS);
445a51b3 1170 snd_printdd(SFX "%s: codec_mask = 0x%x\n", pci_name(chip->pci), chip->codec_mask);
1da177e4
LT		 1171 }
1172
1173 return 0;
1174}
1175
1176
1177/*
1178 * Lowlevel interface
1179 */
1180
1181/* enable interrupts */
a98f90fd 1182static void azx_int_enable(struct azx *chip)
1da177e4
LT		 1183{
1184 /* enable controller CIE and GIE */
1185 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
1186 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
1187}
1188
1189/* disable interrupts */
a98f90fd 1190static void azx_int_disable(struct azx *chip)
1da177e4
LT		 1191{
1192 int i;
1193
1194 /* disable interrupts in stream descriptor */
07e4ca50 1195 for (i = 0; i < chip->num_streams; i++) {
a98f90fd 1196 struct azx_dev *azx_dev = &chip->azx_dev[i];
1da177e4
LT		 1197 azx_sd_writeb(azx_dev, SD_CTL,
1198 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
1199 }
1200
1201 /* disable SIE for all streams */
1202 azx_writeb(chip, INTCTL, 0);
1203
1204 /* disable controller CIE and GIE */
1205 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
1206 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
1207}
1208
1209/* clear interrupts */
a98f90fd 1210static void azx_int_clear(struct azx *chip)
1da177e4
LT		 1211{
1212 int i;
1213
1214 /* clear stream status */
07e4ca50 1215 for (i = 0; i < chip->num_streams; i++) {
a98f90fd 1216 struct azx_dev *azx_dev = &chip->azx_dev[i];
1da177e4
LT		 1217 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
1218 }
1219
1220 /* clear STATESTS */
1221 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
1222
1223 /* clear rirb status */
1224 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
1225
1226 /* clear int status */
1227 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
1228}
1229
1230/* start a stream */
a98f90fd 1231static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
1da177e4 1232{
0e153474
JC		 1233 /*
1234 * Before stream start, initialize parameter
1235 */
1236 azx_dev->insufficient = 1;
1237
1da177e4 1238 /* enable SIE */
ccc5df05
WN		 1239 azx_writel(chip, INTCTL,
1240 azx_readl(chip, INTCTL) | (1 << azx_dev->index));
1da177e4
LT		 1241 /* set DMA start and interrupt mask */
1242 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
1243 SD_CTL_DMA_START | SD_INT_MASK);
1244}
1245
1dddab40
TI		 1246/* stop DMA */
1247static void azx_stream_clear(struct azx *chip, struct azx_dev *azx_dev)
1da177e4 1248{
1da177e4
LT		 1249 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
1250 ~(SD_CTL_DMA_START | SD_INT_MASK));
1251 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */
1dddab40
TI		 1252}
1253
1254/* stop a stream */
1255static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
1256{
1257 azx_stream_clear(chip, azx_dev);
1da177e4 1258 /* disable SIE */
ccc5df05
WN		 1259 azx_writel(chip, INTCTL,
1260 azx_readl(chip, INTCTL) & ~(1 << azx_dev->index));
1da177e4
LT		 1261}
1262
1263
1264/*
cb53c626 1265 * reset and start the controller registers
1da177e4 1266 */
cd508fe5 1267static void azx_init_chip(struct azx *chip, int full_reset)
1da177e4 1268{
cb53c626
TI		 1269 if (chip->initialized)
1270 return;
1da177e4
LT		 1271
1272 /* reset controller */
cd508fe5 1273 azx_reset(chip, full_reset);
1da177e4
LT		 1274
1275 /* initialize interrupts */
1276 azx_int_clear(chip);
1277 azx_int_enable(chip);
1278
1279 /* initialize the codec command I/O */
1a696978
TI		 1280 if (!chip->single_cmd)
1281 azx_init_cmd_io(chip);
1da177e4 1282
0be3b5d3
TI		 1283 /* program the position buffer */
1284 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
766979e0 1285 azx_writel(chip, DPUBASE, upper_32_bits(chip->posbuf.addr));
f5d40b30 1286
cb53c626
TI		 1287 chip->initialized = 1;
1288}
1289
1290/*
1291 * initialize the PCI registers
1292 */
1293/* update bits in a PCI register byte */
1294static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
1295 unsigned char mask, unsigned char val)
1296{
1297 unsigned char data;
1298
1299 pci_read_config_byte(pci, reg, &data);
1300 data &= ~mask;
1301 data |= (val & mask);
1302 pci_write_config_byte(pci, reg, data);
1303}
1304
1305static void azx_init_pci(struct azx *chip)
1306{
1307 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
1308 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
1309 * Ensuring these bits are 0 clears playback static on some HD Audio
a09e89f6
AL		 1310 * codecs.
1311 * The PCI register TCSEL is defined in the Intel manuals.
cb53c626 1312 */
46f2cc80 1313 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
445a51b3 1314 snd_printdd(SFX "%s: Clearing TCSEL\n", pci_name(chip->pci));
a09e89f6 1315 update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
9477c58e 1316 }
cb53c626 1317
9477c58e
TI		 1318 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
1319 * we need to enable snoop.
1320 */
1321 if (chip->driver_caps & AZX_DCAPS_ATI_SNOOP) {
445a51b3 1322 snd_printdd(SFX "%s: Setting ATI snoop: %d\n", pci_name(chip->pci), azx_snoop(chip));
cb53c626 1323 update_pci_byte(chip->pci,
27fe48d9
TI		 1324 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
1325 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
9477c58e
TI		 1326 }
1327
1328 /* For NVIDIA HDA, enable snoop */
1329 if (chip->driver_caps & AZX_DCAPS_NVIDIA_SNOOP) {
445a51b3 1330 snd_printdd(SFX "%s: Setting Nvidia snoop: %d\n", pci_name(chip->pci), azx_snoop(chip));
cb53c626
TI		 1331 update_pci_byte(chip->pci,
1332 NVIDIA_HDA_TRANSREG_ADDR,
1333 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
320dcc30
PC		 1334 update_pci_byte(chip->pci,
1335 NVIDIA_HDA_ISTRM_COH,
1336 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1337 update_pci_byte(chip->pci,
1338 NVIDIA_HDA_OSTRM_COH,
1339 0x01, NVIDIA_HDA_ENABLE_COHBIT);
9477c58e
TI		 1340 }
1341
1342 /* Enable SCH/PCH snoop if needed */
1343 if (chip->driver_caps & AZX_DCAPS_SCH_SNOOP) {
27fe48d9 1344 unsigned short snoop;
90a5ad52 1345 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
27fe48d9
TI		 1346 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
1347 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
1348 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
1349 if (!azx_snoop(chip))
1350 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
1351 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
90a5ad52
TI		 1352 pci_read_config_word(chip->pci,
1353 INTEL_SCH_HDA_DEVC, &snoop);
90a5ad52 1354 }
445a51b3
DB		 1355 snd_printdd(SFX "%s: SCH snoop: %s\n",
1356 pci_name(chip->pci), (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)
27fe48d9 1357 ? "Disabled" : "Enabled");
da3fca21 1358 }
1da177e4
LT		 1359}
1360
1361
9ad593f6
TI		 1362static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
1363
1da177e4
LT		 1364/*
1365 * interrupt handler
1366 */
7d12e780 1367static irqreturn_t azx_interrupt(int irq, void *dev_id)
1da177e4 1368{
a98f90fd
TI		 1369 struct azx *chip = dev_id;
1370 struct azx_dev *azx_dev;
1da177e4 1371 u32 status;
9ef04066 1372 u8 sd_status;
fa00e046 1373 int i, ok;
1da177e4 1374
b8dfc462
ML		 1375#ifdef CONFIG_PM_RUNTIME
1376 if (chip->pci->dev.power.runtime_status != RPM_ACTIVE)
1377 return IRQ_NONE;
1378#endif
1379
1da177e4
LT		 1380 spin_lock(&chip->reg_lock);
1381
60911062
DC		 1382 if (chip->disabled) {
1383 spin_unlock(&chip->reg_lock);
a82d51ed 1384 return IRQ_NONE;
60911062 1385 }
a82d51ed 1386
1da177e4
LT		 1387 status = azx_readl(chip, INTSTS);
1388 if (status == 0) {
1389 spin_unlock(&chip->reg_lock);
1390 return IRQ_NONE;
1391 }
1392
07e4ca50 1393 for (i = 0; i < chip->num_streams; i++) {
1da177e4
LT		 1394 azx_dev = &chip->azx_dev[i];
1395 if (status & azx_dev->sd_int_sta_mask) {
9ef04066 1396 sd_status = azx_sd_readb(azx_dev, SD_STS);
1da177e4 1397 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
9ef04066
CL		 1398 if (!azx_dev->substream || !azx_dev->running ||
1399 !(sd_status & SD_INT_COMPLETE))
9ad593f6
TI		 1400 continue;
1401 /* check whether this IRQ is really acceptable */
fa00e046
JK		 1402 ok = azx_position_ok(chip, azx_dev);
1403 if (ok == 1) {
9ad593f6 1404 azx_dev->irq_pending = 0;
1da177e4
LT		 1405 spin_unlock(&chip->reg_lock);
1406 snd_pcm_period_elapsed(azx_dev->substream);
1407 spin_lock(&chip->reg_lock);
fa00e046 1408 } else if (ok == 0 && chip->bus && chip->bus->workq) {
9ad593f6
TI		 1409 /* bogus IRQ, process it later */
1410 azx_dev->irq_pending = 1;
6acaed38
TI		 1411 queue_work(chip->bus->workq,
1412 &chip->irq_pending_work);
1da177e4
LT		 1413 }
1414 }
1415 }
1416
1417 /* clear rirb int */
1418 status = azx_readb(chip, RIRBSTS);
1419 if (status & RIRB_INT_MASK) {
14d34f16 1420 if (status & RIRB_INT_RESPONSE) {
9477c58e 1421 if (chip->driver_caps & AZX_DCAPS_RIRB_PRE_DELAY)
14d34f16 1422 udelay(80);
1da177e4 1423 azx_update_rirb(chip);
14d34f16 1424 }
1da177e4
LT		 1425 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
1426 }
1427
1428#if 0
1429 /* clear state status int */
1430 if (azx_readb(chip, STATESTS) & 0x04)
1431 azx_writeb(chip, STATESTS, 0x04);
1432#endif
1433 spin_unlock(&chip->reg_lock);
1434
1435 return IRQ_HANDLED;
1436}
1437
1438
675f25d4
TI		 1439/*
1440 * set up a BDL entry
1441 */
5ae763b1 1442static int setup_bdle(struct azx *chip,
1d1a4564 1443 struct snd_dma_buffer *dmab,
675f25d4
TI		 1444 struct azx_dev *azx_dev, u32 **bdlp,
1445 int ofs, int size, int with_ioc)
1446{
675f25d4
TI		 1447 u32 *bdl = *bdlp;
1448
1449 while (size > 0) {
1450 dma_addr_t addr;
1451 int chunk;
1452
1453 if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
1454 return -EINVAL;
1455
1d1a4564 1456 addr = snd_sgbuf_get_addr(dmab, ofs);
675f25d4
TI		 1457 /* program the address field of the BDL entry */
1458 bdl[0] = cpu_to_le32((u32)addr);
766979e0 1459 bdl[1] = cpu_to_le32(upper_32_bits(addr));
675f25d4 1460 /* program the size field of the BDL entry */
1d1a4564 1461 chunk = snd_sgbuf_get_chunk_size(dmab, ofs, size);
5ae763b1
TI		 1462 /* one BDLE cannot cross 4K boundary on CTHDA chips */
1463 if (chip->driver_caps & AZX_DCAPS_4K_BDLE_BOUNDARY) {
1464 u32 remain = 0x1000 - (ofs & 0xfff);
1465 if (chunk > remain)
1466 chunk = remain;
1467 }
675f25d4
TI		 1468 bdl[2] = cpu_to_le32(chunk);
1469 /* program the IOC to enable interrupt
1470 * only when the whole fragment is processed
1471 */
1472 size -= chunk;
1473 bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
1474 bdl += 4;
1475 azx_dev->frags++;
1476 ofs += chunk;
1477 }
1478 *bdlp = bdl;
1479 return ofs;
1480}
1481
1da177e4
LT		 1482/*
1483 * set up BDL entries
1484 */
555e219f
TI		 1485static int azx_setup_periods(struct azx *chip,
1486 struct snd_pcm_substream *substream,
4ce107b9 1487 struct azx_dev *azx_dev)
1da177e4 1488{
4ce107b9
TI		 1489 u32 *bdl;
1490 int i, ofs, periods, period_bytes;
555e219f 1491 int pos_adj;
1da177e4
LT		 1492
1493 /* reset BDL address */
1494 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1495 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1496
97b71c94 1497 period_bytes = azx_dev->period_bytes;
4ce107b9
TI		 1498 periods = azx_dev->bufsize / period_bytes;
1499
1da177e4 1500 /* program the initial BDL entries */
4ce107b9
TI		 1501 bdl = (u32 *)azx_dev->bdl.area;
1502 ofs = 0;
1503 azx_dev->frags = 0;
555e219f 1504 pos_adj = bdl_pos_adj[chip->dev_index];
915bf29e 1505 if (!azx_dev->no_period_wakeup && pos_adj > 0) {
675f25d4 1506 struct snd_pcm_runtime *runtime = substream->runtime;
e785d3d8 1507 int pos_align = pos_adj;
555e219f 1508 pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
675f25d4 1509 if (!pos_adj)
e785d3d8
TI		 1510 pos_adj = pos_align;
1511 else
1512 pos_adj = ((pos_adj + pos_align - 1) / pos_align) *
1513 pos_align;
675f25d4
TI		 1514 pos_adj = frames_to_bytes(runtime, pos_adj);
1515 if (pos_adj >= period_bytes) {
445a51b3
DB		 1516 snd_printk(KERN_WARNING SFX "%s: Too big adjustment %d\n",
1517 pci_name(chip->pci), bdl_pos_adj[chip->dev_index]);
675f25d4
TI		 1518 pos_adj = 0;
1519 } else {
1d1a4564
TI		 1520 ofs = setup_bdle(chip, snd_pcm_get_dma_buf(substream),
1521 azx_dev,
915bf29e 1522 &bdl, ofs, pos_adj, true);
675f25d4
TI		 1523 if (ofs < 0)
1524 goto error;
4ce107b9 1525 }
555e219f
TI		 1526 } else
1527 pos_adj = 0;
675f25d4
TI		 1528 for (i = 0; i < periods; i++) {
1529 if (i == periods - 1 && pos_adj)
1d1a4564
TI		 1530 ofs = setup_bdle(chip, snd_pcm_get_dma_buf(substream),
1531 azx_dev, &bdl, ofs,
675f25d4
TI		 1532 period_bytes - pos_adj, 0);
1533 else
1d1a4564
TI		 1534 ofs = setup_bdle(chip, snd_pcm_get_dma_buf(substream),
1535 azx_dev, &bdl, ofs,
7bb8fb70 1536 period_bytes,
915bf29e 1537 !azx_dev->no_period_wakeup);
675f25d4
TI		 1538 if (ofs < 0)
1539 goto error;
1da177e4 1540 }
4ce107b9 1541 return 0;
675f25d4
TI		 1542
1543 error:
445a51b3
DB		 1544 snd_printk(KERN_ERR SFX "%s: Too many BDL entries: buffer=%d, period=%d\n",
1545 pci_name(chip->pci), azx_dev->bufsize, period_bytes);
675f25d4 1546 return -EINVAL;
1da177e4
LT		 1547}
1548
1dddab40
TI		 1549/* reset stream */
1550static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
1da177e4
LT		 1551{
1552 unsigned char val;
1553 int timeout;
1554
1dddab40
TI		 1555 azx_stream_clear(chip, azx_dev);
1556
d01ce99f
TI		 1557 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
1558 SD_CTL_STREAM_RESET);
1da177e4
LT		 1559 udelay(3);
1560 timeout = 300;
1561 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1562 --timeout)
1563 ;
1564 val &= ~SD_CTL_STREAM_RESET;
1565 azx_sd_writeb(azx_dev, SD_CTL, val);
1566 udelay(3);
1567
1568 timeout = 300;
1569 /* waiting for hardware to report that the stream is out of reset */
1570 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1571 --timeout)
1572 ;
fa00e046
JK		 1573
1574 /* reset first position - may not be synced with hw at this time */
1575 *azx_dev->posbuf = 0;
1dddab40 1576}
1da177e4 1577
1dddab40
TI		 1578/*
1579 * set up the SD for streaming
1580 */
1581static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
1582{
27fe48d9 1583 unsigned int val;
1dddab40
TI		 1584 /* make sure the run bit is zero for SD */
1585 azx_stream_clear(chip, azx_dev);
1da177e4 1586 /* program the stream_tag */
27fe48d9
TI		 1587 val = azx_sd_readl(azx_dev, SD_CTL);
1588 val = (val & ~SD_CTL_STREAM_TAG_MASK) |
1589 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT);
1590 if (!azx_snoop(chip))
1591 val |= SD_CTL_TRAFFIC_PRIO;
1592 azx_sd_writel(azx_dev, SD_CTL, val);
1da177e4
LT		 1593
1594 /* program the length of samples in cyclic buffer */
1595 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
1596
1597 /* program the stream format */
1598 /* this value needs to be the same as the one programmed */
1599 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
1600
1601 /* program the stream LVI (last valid index) of the BDL */
1602 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
1603
1604 /* program the BDL address */
1605 /* lower BDL address */
4ce107b9 1606 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
1da177e4 1607 /* upper BDL address */
766979e0 1608 azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(azx_dev->bdl.addr));
1da177e4 1609
0be3b5d3 1610 /* enable the position buffer */
4cb36310
DH		 1611 if (chip->position_fix[0] != POS_FIX_LPIB ||
1612 chip->position_fix[1] != POS_FIX_LPIB) {
ee9d6b9a
TI		 1613 if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
1614 azx_writel(chip, DPLBASE,
1615 (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
1616 }
c74db86b 1617
1da177e4 1618 /* set the interrupt enable bits in the descriptor control register */
d01ce99f
TI		 1619 azx_sd_writel(azx_dev, SD_CTL,
1620 azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
1da177e4
LT		 1621
1622 return 0;
1623}
1624
6ce4a3bc
TI		 1625/*
1626 * Probe the given codec address
1627 */
1628static int probe_codec(struct azx *chip, int addr)
1629{
1630 unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
1631 (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
1632 unsigned int res;
1633
a678cdee 1634 mutex_lock(&chip->bus->cmd_mutex);
6ce4a3bc
TI		 1635 chip->probing = 1;
1636 azx_send_cmd(chip->bus, cmd);
deadff16 1637 res = azx_get_response(chip->bus, addr);
6ce4a3bc 1638 chip->probing = 0;
a678cdee 1639 mutex_unlock(&chip->bus->cmd_mutex);
6ce4a3bc
TI		 1640 if (res == -1)
1641 return -EIO;
445a51b3 1642 snd_printdd(SFX "%s: codec #%d probed OK\n", pci_name(chip->pci), addr);
6ce4a3bc
TI		 1643 return 0;
1644}
1645
33fa35ed
TI		 1646static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
1647 struct hda_pcm *cpcm);
6ce4a3bc 1648static void azx_stop_chip(struct azx *chip);
1da177e4 1649
8dd78330
TI		 1650static void azx_bus_reset(struct hda_bus *bus)
1651{
1652 struct azx *chip = bus->private_data;
8dd78330
TI		 1653
1654 bus->in_reset = 1;
1655 azx_stop_chip(chip);
cd508fe5 1656 azx_init_chip(chip, 1);
65f75983 1657#ifdef CONFIG_PM
8dd78330 1658 if (chip->initialized) {
01b65bfb
TI		 1659 struct azx_pcm *p;
1660 list_for_each_entry(p, &chip->pcm_list, list)
1661 snd_pcm_suspend_all(p->pcm);
8dd78330
TI		 1662 snd_hda_suspend(chip->bus);
1663 snd_hda_resume(chip->bus);
1664 }
65f75983 1665#endif
8dd78330
TI		 1666 bus->in_reset = 0;
1667}
1668
26a6cb6c
DH		 1669static int get_jackpoll_interval(struct azx *chip)
1670{
1671 int i = jackpoll_ms[chip->dev_index];
1672 unsigned int j;
1673 if (i == 0)
1674 return 0;
1675 if (i < 50 || i > 60000)
1676 j = 0;
1677 else
1678 j = msecs_to_jiffies(i);
1679 if (j == 0)
1680 snd_printk(KERN_WARNING SFX
1681 "jackpoll_ms value out of range: %d\n", i);
1682 return j;
1683}
1684
1da177e4
LT		 1685/*
1686 * Codec initialization
1687 */
1688
2f5983f2 1689/* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
48c8b0eb 1690static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
7445dfc1 1691 [AZX_DRIVER_NVIDIA] = 8,
f269002e 1692 [AZX_DRIVER_TERA] = 1,
a9995a35
TI		 1693};
1694
48c8b0eb 1695static int azx_codec_create(struct azx *chip, const char *model)
1da177e4
LT		 1696{
1697 struct hda_bus_template bus_temp;
34c25350
TI		 1698 int c, codecs, err;
1699 int max_slots;
1da177e4
LT		 1700
1701 memset(&bus_temp, 0, sizeof(bus_temp));
1702 bus_temp.private_data = chip;
1703 bus_temp.modelname = model;
1704 bus_temp.pci = chip->pci;
111d3af5
TI		 1705 bus_temp.ops.command = azx_send_cmd;
1706 bus_temp.ops.get_response = azx_get_response;
176d5335 1707 bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
8dd78330 1708 bus_temp.ops.bus_reset = azx_bus_reset;
83012a7c 1709#ifdef CONFIG_PM
11cd41b8 1710 bus_temp.power_save = &power_save;
cb53c626
TI		 1711 bus_temp.ops.pm_notify = azx_power_notify;
1712#endif
1d1a4564
TI		 1713#ifdef CONFIG_SND_HDA_DSP_LOADER
1714 bus_temp.ops.load_dsp_prepare = azx_load_dsp_prepare;
1715 bus_temp.ops.load_dsp_trigger = azx_load_dsp_trigger;
1716 bus_temp.ops.load_dsp_cleanup = azx_load_dsp_cleanup;
1717#endif
1da177e4 1718
d01ce99f
TI		 1719 err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
1720 if (err < 0)
1da177e4
LT		 1721 return err;
1722
9477c58e 1723 if (chip->driver_caps & AZX_DCAPS_RIRB_DELAY) {
445a51b3 1724 snd_printd(SFX "%s: Enable delay in RIRB handling\n", pci_name(chip->pci));
dc9c8e21 1725 chip->bus->needs_damn_long_delay = 1;
9477c58e 1726 }
dc9c8e21 1727
34c25350 1728 codecs = 0;
2f5983f2
TI		 1729 max_slots = azx_max_codecs[chip->driver_type];
1730 if (!max_slots)
7445dfc1 1731 max_slots = AZX_DEFAULT_CODECS;
6ce4a3bc
TI		 1732
1733 /* First try to probe all given codec slots */
1734 for (c = 0; c < max_slots; c++) {
f1eaaeec 1735 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
6ce4a3bc
TI		 1736 if (probe_codec(chip, c) < 0) {
1737 /* Some BIOSen give you wrong codec addresses
1738 * that don't exist
1739 */
4abc1cc2 1740 snd_printk(KERN_WARNING SFX
445a51b3
DB		 1741 "%s: Codec #%d probe error; "
1742 "disabling it...\n", pci_name(chip->pci), c);
6ce4a3bc
TI		 1743 chip->codec_mask &= ~(1 << c);
1744 /* More badly, accessing to a non-existing
1745 * codec often screws up the controller chip,
2448158e 1746 * and disturbs the further communications.
6ce4a3bc
TI		 1747 * Thus if an error occurs during probing,
1748 * better to reset the controller chip to
1749 * get back to the sanity state.
1750 */
1751 azx_stop_chip(chip);
cd508fe5 1752 azx_init_chip(chip, 1);
6ce4a3bc
TI		 1753 }
1754 }
1755 }
1756
d507cd66
TI		 1757 /* AMD chipsets often cause the communication stalls upon certain
1758 * sequence like the pin-detection. It seems that forcing the synced
1759 * access works around the stall. Grrr...
1760 */
9477c58e 1761 if (chip->driver_caps & AZX_DCAPS_SYNC_WRITE) {
445a51b3
DB		 1762 snd_printd(SFX "%s: Enable sync_write for stable communication\n",
1763 pci_name(chip->pci));
d507cd66
TI		 1764 chip->bus->sync_write = 1;
1765 chip->bus->allow_bus_reset = 1;
1766 }
1767
6ce4a3bc 1768 /* Then create codec instances */
34c25350 1769 for (c = 0; c < max_slots; c++) {
f1eaaeec 1770 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
bccad14e 1771 struct hda_codec *codec;
a1e21c90 1772 err = snd_hda_codec_new(chip->bus, c, &codec);
1da177e4
LT		 1773 if (err < 0)
1774 continue;
26a6cb6c 1775 codec->jackpoll_interval = get_jackpoll_interval(chip);
2dca0bba 1776 codec->beep_mode = chip->beep_mode;
1da177e4 1777 codecs++;
19a982b6
TI		 1778 }
1779 }
1780 if (!codecs) {
445a51b3 1781 snd_printk(KERN_ERR SFX "%s: no codecs initialized\n", pci_name(chip->pci));
1da177e4
LT		 1782 return -ENXIO;
1783 }
a1e21c90
TI		 1784 return 0;
1785}
1da177e4 1786
a1e21c90 1787/* configure each codec instance */
e23e7a14 1788static int azx_codec_configure(struct azx *chip)
a1e21c90
TI		 1789{
1790 struct hda_codec *codec;
1791 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1792 snd_hda_codec_configure(codec);
1793 }
1da177e4
LT		 1794 return 0;
1795}
1796
1797
1798/*
1799 * PCM support
1800 */
1801
1802/* assign a stream for the PCM */
ef18bede
WF		 1803static inline struct azx_dev *
1804azx_assign_device(struct azx *chip, struct snd_pcm_substream *substream)
1da177e4 1805{
07e4ca50 1806 int dev, i, nums;
ef18bede 1807 struct azx_dev *res = NULL;
d5cf9911
TI		 1808 /* make a non-zero unique key for the substream */
1809 int key = (substream->pcm->device << 16) | (substream->number << 2) |
1810 (substream->stream + 1);
ef18bede
WF		 1811
1812 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
07e4ca50
TI		 1813 dev = chip->playback_index_offset;
1814 nums = chip->playback_streams;
1815 } else {
1816 dev = chip->capture_index_offset;
1817 nums = chip->capture_streams;
1818 }
eb49faa6
TI		 1819 for (i = 0; i < nums; i++, dev++) {
1820 struct azx_dev *azx_dev = &chip->azx_dev[dev];
1821 dsp_lock(azx_dev);
1822 if (!azx_dev->opened && !dsp_is_locked(azx_dev)) {
1823 res = azx_dev;
1824 if (res->assigned_key == key) {
1825 res->opened = 1;
1826 res->assigned_key = key;
1827 dsp_unlock(azx_dev);
1828 return azx_dev;
1829 }
1da177e4 1830 }
eb49faa6
TI		 1831 dsp_unlock(azx_dev);
1832 }
ef18bede 1833 if (res) {
eb49faa6 1834 dsp_lock(res);
ef18bede 1835 res->opened = 1;
d5cf9911 1836 res->assigned_key = key;
eb49faa6 1837 dsp_unlock(res);
ef18bede
WF		 1838 }
1839 return res;
1da177e4
LT		 1840}
1841
1842/* release the assigned stream */
a98f90fd 1843static inline void azx_release_device(struct azx_dev *azx_dev)
1da177e4
LT		 1844{
1845 azx_dev->opened = 0;
1846}
1847
5d890f59
PLB		 1848static cycle_t azx_cc_read(const struct cyclecounter *cc)
1849{
1850 struct azx_dev *azx_dev = container_of(cc, struct azx_dev, azx_cc);
1851 struct snd_pcm_substream *substream = azx_dev->substream;
1852 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1853 struct azx *chip = apcm->chip;
1854
1855 return azx_readl(chip, WALLCLK);
1856}
1857
1858static void azx_timecounter_init(struct snd_pcm_substream *substream,
1859 bool force, cycle_t last)
1860{
1861 struct azx_dev *azx_dev = get_azx_dev(substream);
1862 struct timecounter *tc = &azx_dev->azx_tc;
1863 struct cyclecounter *cc = &azx_dev->azx_cc;
1864 u64 nsec;
1865
1866 cc->read = azx_cc_read;
1867 cc->mask = CLOCKSOURCE_MASK(32);
1868
1869 /*
1870 * Converting from 24 MHz to ns means applying a 125/3 factor.
1871 * To avoid any saturation issues in intermediate operations,
1872 * the 125 factor is applied first. The division is applied
1873 * last after reading the timecounter value.
1874 * Applying the 1/3 factor as part of the multiplication
1875 * requires at least 20 bits for a decent precision, however
1876 * overflows occur after about 4 hours or less, not a option.
1877 */
1878
1879 cc->mult = 125; /* saturation after 195 years */
1880 cc->shift = 0;
1881
1882 nsec = 0; /* audio time is elapsed time since trigger */
1883 timecounter_init(tc, cc, nsec);
1884 if (force)
1885 /*
1886 * force timecounter to use predefined value,
1887 * used for synchronized starts
1888 */
1889 tc->cycle_last = last;
1890}
1891
ae03bbb8 1892static u64 azx_adjust_codec_delay(struct snd_pcm_substream *substream,
78daea29
DR		 1893 u64 nsec)
1894{
1895 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1896 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1897 u64 codec_frames, codec_nsecs;
1898
1899 if (!hinfo->ops.get_delay)
1900 return nsec;
1901
1902 codec_frames = hinfo->ops.get_delay(hinfo, apcm->codec, substream);
1903 codec_nsecs = div_u64(codec_frames * 1000000000LL,
1904 substream->runtime->rate);
1905
ae03bbb8
DR		 1906 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
1907 return nsec + codec_nsecs;
1908
78daea29
DR		 1909 return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0;
1910}
1911
5d890f59
PLB		 1912static int azx_get_wallclock_tstamp(struct snd_pcm_substream *substream,
1913 struct timespec *ts)
1914{
1915 struct azx_dev *azx_dev = get_azx_dev(substream);
1916 u64 nsec;
1917
1918 nsec = timecounter_read(&azx_dev->azx_tc);
1919 nsec = div_u64(nsec, 3); /* can be optimized */
ae03bbb8 1920 nsec = azx_adjust_codec_delay(substream, nsec);
5d890f59
PLB		 1921
1922 *ts = ns_to_timespec(nsec);
1923
1924 return 0;
1925}
1926
a98f90fd 1927static struct snd_pcm_hardware azx_pcm_hw = {
d01ce99f
TI		 1928 .info = (SNDRV_PCM_INFO_MMAP |
1929 SNDRV_PCM_INFO_INTERLEAVED |
1da177e4
LT		 1930 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1931 SNDRV_PCM_INFO_MMAP_VALID |
927fc866
PM		 1932 /* No full-resume yet implemented */
1933 /* SNDRV_PCM_INFO_RESUME |*/
850f0e52 1934 SNDRV_PCM_INFO_PAUSE |
7bb8fb70 1935 SNDRV_PCM_INFO_SYNC_START |
5d890f59 1936 SNDRV_PCM_INFO_HAS_WALL_CLOCK |
7bb8fb70 1937 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
1da177e4
LT		 1938 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1939 .rates = SNDRV_PCM_RATE_48000,
1940 .rate_min = 48000,
1941 .rate_max = 48000,
1942 .channels_min = 2,
1943 .channels_max = 2,
1944 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1945 .period_bytes_min = 128,
1946 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1947 .periods_min = 2,
1948 .periods_max = AZX_MAX_FRAG,
1949 .fifo_size = 0,
1950};
1951
a98f90fd 1952static int azx_pcm_open(struct snd_pcm_substream *substream)
1da177e4
LT		 1953{
1954 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1955 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
a98f90fd
TI		 1956 struct azx *chip = apcm->chip;
1957 struct azx_dev *azx_dev;
1958 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 1959 unsigned long flags;
1960 int err;
2ae66c26 1961 int buff_step;
1da177e4 1962
62932df8 1963 mutex_lock(&chip->open_mutex);
ef18bede 1964 azx_dev = azx_assign_device(chip, substream);
1da177e4 1965 if (azx_dev == NULL) {
62932df8 1966 mutex_unlock(&chip->open_mutex);
1da177e4
LT		 1967 return -EBUSY;
1968 }
1969 runtime->hw = azx_pcm_hw;
1970 runtime->hw.channels_min = hinfo->channels_min;
1971 runtime->hw.channels_max = hinfo->channels_max;
1972 runtime->hw.formats = hinfo->formats;
1973 runtime->hw.rates = hinfo->rates;
1974 snd_pcm_limit_hw_rates(runtime);
1975 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
5d890f59
PLB		 1976
1977 /* avoid wrap-around with wall-clock */
1978 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME,
1979 20,
1980 178000000);
1981
52409aa6 1982 if (chip->align_buffer_size)
2ae66c26
PLB		 1983 /* constrain buffer sizes to be multiple of 128
1984 bytes. This is more efficient in terms of memory
1985 access but isn't required by the HDA spec and
1986 prevents users from specifying exact period/buffer
1987 sizes. For example for 44.1kHz, a period size set
1988 to 20ms will be rounded to 19.59ms. */
1989 buff_step = 128;
1990 else
1991 /* Don't enforce steps on buffer sizes, still need to
1992 be multiple of 4 bytes (HDA spec). Tested on Intel
1993 HDA controllers, may not work on all devices where
1994 option needs to be disabled */
1995 buff_step = 4;
1996
5f1545bc 1997 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
2ae66c26 1998 buff_step);
5f1545bc 1999 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
2ae66c26 2000 buff_step);
b4a91cf0 2001 snd_hda_power_up_d3wait(apcm->codec);
d01ce99f
TI		 2002 err = hinfo->ops.open(hinfo, apcm->codec, substream);
2003 if (err < 0) {
1da177e4 2004 azx_release_device(azx_dev);
cb53c626 2005 snd_hda_power_down(apcm->codec);
62932df8 2006 mutex_unlock(&chip->open_mutex);
1da177e4
LT		 2007 return err;
2008 }
70d321e6 2009 snd_pcm_limit_hw_rates(runtime);
aba66536
TI		 2010 /* sanity check */
2011 if (snd_BUG_ON(!runtime->hw.channels_min) ||
2012 snd_BUG_ON(!runtime->hw.channels_max) ||
2013 snd_BUG_ON(!runtime->hw.formats) ||
2014 snd_BUG_ON(!runtime->hw.rates)) {
2015 azx_release_device(azx_dev);
2016 hinfo->ops.close(hinfo, apcm->codec, substream);
2017 snd_hda_power_down(apcm->codec);
2018 mutex_unlock(&chip->open_mutex);
2019 return -EINVAL;
2020 }
5d890f59
PLB		 2021
2022 /* disable WALLCLOCK timestamps for capture streams
2023 until we figure out how to handle digital inputs */
2024 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2025 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK;
2026
1da177e4
LT		 2027 spin_lock_irqsave(&chip->reg_lock, flags);
2028 azx_dev->substream = substream;
2029 azx_dev->running = 0;
2030 spin_unlock_irqrestore(&chip->reg_lock, flags);
2031
2032 runtime->private_data = azx_dev;
850f0e52 2033 snd_pcm_set_sync(substream);
62932df8 2034 mutex_unlock(&chip->open_mutex);
1da177e4
LT		 2035 return 0;
2036}
2037
a98f90fd 2038static int azx_pcm_close(struct snd_pcm_substream *substream)
1da177e4
LT		 2039{
2040 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2041 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
a98f90fd
TI		 2042 struct azx *chip = apcm->chip;
2043 struct azx_dev *azx_dev = get_azx_dev(substream);
1da177e4
LT		 2044 unsigned long flags;
2045
62932df8 2046 mutex_lock(&chip->open_mutex);
1da177e4
LT		 2047 spin_lock_irqsave(&chip->reg_lock, flags);
2048 azx_dev->substream = NULL;
2049 azx_dev->running = 0;
2050 spin_unlock_irqrestore(&chip->reg_lock, flags);
2051 azx_release_device(azx_dev);
2052 hinfo->ops.close(hinfo, apcm->codec, substream);
cb53c626 2053 snd_hda_power_down(apcm->codec);
62932df8 2054 mutex_unlock(&chip->open_mutex);
1da177e4
LT		 2055 return 0;
2056}
2057
d01ce99f
TI		 2058static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
2059 struct snd_pcm_hw_params *hw_params)
1da177e4 2060{
27fe48d9
TI		 2061 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2062 struct azx *chip = apcm->chip;
97b71c94 2063 struct azx_dev *azx_dev = get_azx_dev(substream);
27fe48d9 2064 int ret;
97b71c94 2065
eb49faa6
TI		 2066 dsp_lock(azx_dev);
2067 if (dsp_is_locked(azx_dev)) {
2068 ret = -EBUSY;
2069 goto unlock;
2070 }
2071
9ddf1aeb 2072 mark_runtime_wc(chip, azx_dev, substream, false);
97b71c94
TI		 2073 azx_dev->bufsize = 0;
2074 azx_dev->period_bytes = 0;
2075 azx_dev->format_val = 0;
27fe48d9 2076 ret = snd_pcm_lib_malloc_pages(substream,
d01ce99f 2077 params_buffer_bytes(hw_params));
27fe48d9 2078 if (ret < 0)
eb49faa6 2079 goto unlock;
9ddf1aeb 2080 mark_runtime_wc(chip, azx_dev, substream, true);
eb49faa6
TI		 2081 unlock:
2082 dsp_unlock(azx_dev);
27fe48d9 2083 return ret;
1da177e4
LT		 2084}
2085
a98f90fd 2086static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1da177e4
LT		 2087{
2088 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
a98f90fd 2089 struct azx_dev *azx_dev = get_azx_dev(substream);
27fe48d9 2090 struct azx *chip = apcm->chip;
1da177e4
LT		 2091 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
2092
2093 /* reset BDL address */
eb49faa6
TI		 2094 dsp_lock(azx_dev);
2095 if (!dsp_is_locked(azx_dev)) {
2096 azx_sd_writel(azx_dev, SD_BDLPL, 0);
2097 azx_sd_writel(azx_dev, SD_BDLPU, 0);
2098 azx_sd_writel(azx_dev, SD_CTL, 0);
2099 azx_dev->bufsize = 0;
2100 azx_dev->period_bytes = 0;
2101 azx_dev->format_val = 0;
2102 }
1da177e4 2103
eb541337 2104 snd_hda_codec_cleanup(apcm->codec, hinfo, substream);
1da177e4 2105
9ddf1aeb 2106 mark_runtime_wc(chip, azx_dev, substream, false);
eb49faa6
TI		 2107 azx_dev->prepared = 0;
2108 dsp_unlock(azx_dev);
1da177e4
LT		 2109 return snd_pcm_lib_free_pages(substream);
2110}
2111
a98f90fd 2112static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1da177e4
LT		 2113{
2114 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
a98f90fd
TI		 2115 struct azx *chip = apcm->chip;
2116 struct azx_dev *azx_dev = get_azx_dev(substream);
1da177e4 2117 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
a98f90fd 2118 struct snd_pcm_runtime *runtime = substream->runtime;
62b7e5e0 2119 unsigned int bufsize, period_bytes, format_val, stream_tag;
97b71c94 2120 int err;
7c935976
SW		 2121 struct hda_spdif_out *spdif =
2122 snd_hda_spdif_out_of_nid(apcm->codec, hinfo->nid);
2123 unsigned short ctls = spdif ? spdif->ctls : 0;
1da177e4 2124
eb49faa6
TI		 2125 dsp_lock(azx_dev);
2126 if (dsp_is_locked(azx_dev)) {
2127 err = -EBUSY;
2128 goto unlock;
2129 }
2130
fa00e046 2131 azx_stream_reset(chip, azx_dev);
97b71c94
TI		 2132 format_val = snd_hda_calc_stream_format(runtime->rate,
2133 runtime->channels,
2134 runtime->format,
32c168c8 2135 hinfo->maxbps,
7c935976 2136 ctls);
97b71c94 2137 if (!format_val) {
d01ce99f 2138 snd_printk(KERN_ERR SFX
445a51b3
DB		 2139 "%s: invalid format_val, rate=%d, ch=%d, format=%d\n",
2140 pci_name(chip->pci), runtime->rate, runtime->channels, runtime->format);
eb49faa6
TI		 2141 err = -EINVAL;
2142 goto unlock;
1da177e4
LT		 2143 }
2144
97b71c94
TI		 2145 bufsize = snd_pcm_lib_buffer_bytes(substream);
2146 period_bytes = snd_pcm_lib_period_bytes(substream);
2147
445a51b3
DB		 2148 snd_printdd(SFX "%s: azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
2149 pci_name(chip->pci), bufsize, format_val);
97b71c94
TI		 2150
2151 if (bufsize != azx_dev->bufsize ||
2152 period_bytes != azx_dev->period_bytes ||
915bf29e
TI		 2153 format_val != azx_dev->format_val ||
2154 runtime->no_period_wakeup != azx_dev->no_period_wakeup) {
97b71c94
TI		 2155 azx_dev->bufsize = bufsize;
2156 azx_dev->period_bytes = period_bytes;
2157 azx_dev->format_val = format_val;
915bf29e 2158 azx_dev->no_period_wakeup = runtime->no_period_wakeup;
97b71c94
TI		 2159 err = azx_setup_periods(chip, substream, azx_dev);
2160 if (err < 0)
eb49faa6 2161 goto unlock;
97b71c94
TI		 2162 }
2163
e5463720
JK		 2164 /* wallclk has 24Mhz clock source */
2165 azx_dev->period_wallclk = (((runtime->period_size * 24000) /
2166 runtime->rate) * 1000);
1da177e4
LT		 2167 azx_setup_controller(chip, azx_dev);
2168 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2169 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
2170 else
2171 azx_dev->fifo_size = 0;
2172
62b7e5e0
TI		 2173 stream_tag = azx_dev->stream_tag;
2174 /* CA-IBG chips need the playback stream starting from 1 */
9477c58e 2175 if ((chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND) &&
62b7e5e0
TI		 2176 stream_tag > chip->capture_streams)
2177 stream_tag -= chip->capture_streams;
eb49faa6 2178 err = snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
eb541337 2179 azx_dev->format_val, substream);
eb49faa6
TI		 2180
2181 unlock:
2182 if (!err)
2183 azx_dev->prepared = 1;
2184 dsp_unlock(azx_dev);
2185 return err;
1da177e4
LT		 2186}
2187
a98f90fd 2188static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1da177e4
LT		 2189{
2190 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
a98f90fd 2191 struct azx *chip = apcm->chip;
850f0e52
TI		 2192 struct azx_dev *azx_dev;
2193 struct snd_pcm_substream *s;
fa00e046 2194 int rstart = 0, start, nsync = 0, sbits = 0;
850f0e52 2195 int nwait, timeout;
1da177e4 2196
1a8506d4
TI		 2197 azx_dev = get_azx_dev(substream);
2198 trace_azx_pcm_trigger(chip, azx_dev, cmd);
2199
eb49faa6
TI		 2200 if (dsp_is_locked(azx_dev) || !azx_dev->prepared)
2201 return -EPIPE;
2202
1da177e4 2203 switch (cmd) {
fa00e046
JK		 2204 case SNDRV_PCM_TRIGGER_START:
2205 rstart = 1;
1da177e4
LT		 2206 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
2207 case SNDRV_PCM_TRIGGER_RESUME:
850f0e52 2208 start = 1;
1da177e4
LT		 2209 break;
2210 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
47123197 2211 case SNDRV_PCM_TRIGGER_SUSPEND:
1da177e4 2212 case SNDRV_PCM_TRIGGER_STOP:
850f0e52 2213 start = 0;
1da177e4
LT		 2214 break;
2215 default:
850f0e52
TI		 2216 return -EINVAL;
2217 }
2218
2219 snd_pcm_group_for_each_entry(s, substream) {
2220 if (s->pcm->card != substream->pcm->card)
2221 continue;
2222 azx_dev = get_azx_dev(s);
2223 sbits |= 1 << azx_dev->index;
2224 nsync++;
2225 snd_pcm_trigger_done(s, substream);
2226 }
2227
2228 spin_lock(&chip->reg_lock);
172d3b20
PLB		 2229
2230 /* first, set SYNC bits of corresponding streams */
2231 if (chip->driver_caps & AZX_DCAPS_OLD_SSYNC)
2232 azx_writel(chip, OLD_SSYNC,
2233 azx_readl(chip, OLD_SSYNC) | sbits);
2234 else
2235 azx_writel(chip, SSYNC, azx_readl(chip, SSYNC) | sbits);
2236
850f0e52
TI		 2237 snd_pcm_group_for_each_entry(s, substream) {
2238 if (s->pcm->card != substream->pcm->card)
2239 continue;
2240 azx_dev = get_azx_dev(s);
e5463720
JK		 2241 if (start) {
2242 azx_dev->start_wallclk = azx_readl(chip, WALLCLK);
2243 if (!rstart)
2244 azx_dev->start_wallclk -=
2245 azx_dev->period_wallclk;
850f0e52 2246 azx_stream_start(chip, azx_dev);
e5463720 2247 } else {
850f0e52 2248 azx_stream_stop(chip, azx_dev);
e5463720 2249 }
850f0e52 2250 azx_dev->running = start;
1da177e4
LT		 2251 }
2252 spin_unlock(&chip->reg_lock);
850f0e52 2253 if (start) {
850f0e52
TI		 2254 /* wait until all FIFOs get ready */
2255 for (timeout = 5000; timeout; timeout--) {
2256 nwait = 0;
2257 snd_pcm_group_for_each_entry(s, substream) {
2258 if (s->pcm->card != substream->pcm->card)
2259 continue;
2260 azx_dev = get_azx_dev(s);
2261 if (!(azx_sd_readb(azx_dev, SD_STS) &
2262 SD_STS_FIFO_READY))
2263 nwait++;
2264 }
2265 if (!nwait)
2266 break;
2267 cpu_relax();
2268 }
2269 } else {
2270 /* wait until all RUN bits are cleared */
2271 for (timeout = 5000; timeout; timeout--) {
2272 nwait = 0;
2273 snd_pcm_group_for_each_entry(s, substream) {
2274 if (s->pcm->card != substream->pcm->card)
2275 continue;
2276 azx_dev = get_azx_dev(s);
2277 if (azx_sd_readb(azx_dev, SD_CTL) &
2278 SD_CTL_DMA_START)
2279 nwait++;
2280 }
2281 if (!nwait)
2282 break;
2283 cpu_relax();
2284 }
1da177e4 2285 }
172d3b20
PLB		 2286 spin_lock(&chip->reg_lock);
2287 /* reset SYNC bits */
2288 if (chip->driver_caps & AZX_DCAPS_OLD_SSYNC)
2289 azx_writel(chip, OLD_SSYNC,
2290 azx_readl(chip, OLD_SSYNC) & ~sbits);
2291 else
2292 azx_writel(chip, SSYNC, azx_readl(chip, SSYNC) & ~sbits);
5d890f59
PLB		 2293 if (start) {
2294 azx_timecounter_init(substream, 0, 0);
2295 if (nsync > 1) {
2296 cycle_t cycle_last;
2297
2298 /* same start cycle for master and group */
2299 azx_dev = get_azx_dev(substream);
2300 cycle_last = azx_dev->azx_tc.cycle_last;
2301
2302 snd_pcm_group_for_each_entry(s, substream) {
2303 if (s->pcm->card != substream->pcm->card)
2304 continue;
2305 azx_timecounter_init(s, 1, cycle_last);
2306 }
2307 }
2308 }
172d3b20 2309 spin_unlock(&chip->reg_lock);
850f0e52 2310 return 0;
1da177e4
LT		 2311}
2312
0e153474
JC		 2313/* get the current DMA position with correction on VIA chips */
2314static unsigned int azx_via_get_position(struct azx *chip,
2315 struct azx_dev *azx_dev)
2316{
2317 unsigned int link_pos, mini_pos, bound_pos;
2318 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
2319 unsigned int fifo_size;
2320
2321 link_pos = azx_sd_readl(azx_dev, SD_LPIB);
b4a655e8 2322 if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
0e153474
JC		 2323 /* Playback, no problem using link position */
2324 return link_pos;
2325 }
2326
2327 /* Capture */
2328 /* For new chipset,
2329 * use mod to get the DMA position just like old chipset
2330 */
2331 mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
2332 mod_dma_pos %= azx_dev->period_bytes;
2333
2334 /* azx_dev->fifo_size can't get FIFO size of in stream.
2335 * Get from base address + offset.
2336 */
2337 fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
2338
2339 if (azx_dev->insufficient) {
2340 /* Link position never gather than FIFO size */
2341 if (link_pos <= fifo_size)
2342 return 0;
2343
2344 azx_dev->insufficient = 0;
2345 }
2346
2347 if (link_pos <= fifo_size)
2348 mini_pos = azx_dev->bufsize + link_pos - fifo_size;
2349 else
2350 mini_pos = link_pos - fifo_size;
2351
2352 /* Find nearest previous boudary */
2353 mod_mini_pos = mini_pos % azx_dev->period_bytes;
2354 mod_link_pos = link_pos % azx_dev->period_bytes;
2355 if (mod_link_pos >= fifo_size)
2356 bound_pos = link_pos - mod_link_pos;
2357 else if (mod_dma_pos >= mod_mini_pos)
2358 bound_pos = mini_pos - mod_mini_pos;
2359 else {
2360 bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
2361 if (bound_pos >= azx_dev->bufsize)
2362 bound_pos = 0;
2363 }
2364
2365 /* Calculate real DMA position we want */
2366 return bound_pos + mod_dma_pos;
2367}
2368
9ad593f6 2369static unsigned int azx_get_position(struct azx *chip,
798cb7e8
TI		 2370 struct azx_dev *azx_dev,
2371 bool with_check)
1da177e4 2372{
21229613
TI		 2373 struct snd_pcm_substream *substream = azx_dev->substream;
2374 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1da177e4 2375 unsigned int pos;
21229613
TI		 2376 int stream = substream->stream;
2377 struct hda_pcm_stream *hinfo = apcm->hinfo[stream];
1a8506d4 2378 int delay = 0;
1da177e4 2379
4cb36310
DH		 2380 switch (chip->position_fix[stream]) {
2381 case POS_FIX_LPIB:
2382 /* read LPIB */
2383 pos = azx_sd_readl(azx_dev, SD_LPIB);
2384 break;
2385 case POS_FIX_VIACOMBO:
0e153474 2386 pos = azx_via_get_position(chip, azx_dev);
4cb36310
DH		 2387 break;
2388 default:
2389 /* use the position buffer */
2390 pos = le32_to_cpu(*azx_dev->posbuf);
798cb7e8 2391 if (with_check && chip->position_fix[stream] == POS_FIX_AUTO) {
a810364a
TI		 2392 if (!pos || pos == (u32)-1) {
2393 printk(KERN_WARNING
2394 "hda-intel: Invalid position buffer, "
2395 "using LPIB read method instead.\n");
2396 chip->position_fix[stream] = POS_FIX_LPIB;
2397 pos = azx_sd_readl(azx_dev, SD_LPIB);
2398 } else
2399 chip->position_fix[stream] = POS_FIX_POSBUF;
2400 }
2401 break;
c74db86b 2402 }
4cb36310 2403
1da177e4
LT		 2404 if (pos >= azx_dev->bufsize)
2405 pos = 0;
90accc58
PLB		 2406
2407 /* calculate runtime delay from LPIB */
21229613 2408 if (substream->runtime &&
90accc58
PLB		 2409 chip->position_fix[stream] == POS_FIX_POSBUF &&
2410 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
2411 unsigned int lpib_pos = azx_sd_readl(azx_dev, SD_LPIB);
90accc58
PLB		 2412 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
2413 delay = pos - lpib_pos;
2414 else
2415 delay = lpib_pos - pos;
2416 if (delay < 0)
2417 delay += azx_dev->bufsize;
2418 if (delay >= azx_dev->period_bytes) {
1f04661f 2419 snd_printk(KERN_WARNING SFX
445a51b3 2420 "%s: Unstable LPIB (%d >= %d); "
1f04661f 2421 "disabling LPIB delay counting\n",
445a51b3 2422 pci_name(chip->pci), delay, azx_dev->period_bytes);
1f04661f
TI		 2423 delay = 0;
2424 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
90accc58 2425 }
21229613 2426 delay = bytes_to_frames(substream->runtime, delay);
90accc58 2427 }
21229613
TI		 2428
2429 if (substream->runtime) {
2430 if (hinfo->ops.get_delay)
2431 delay += hinfo->ops.get_delay(hinfo, apcm->codec,
2432 substream);
2433 substream->runtime->delay = delay;
2434 }
2435
1a8506d4 2436 trace_azx_get_position(chip, azx_dev, pos, delay);
9ad593f6
TI		 2437 return pos;
2438}
2439
2440static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
2441{
2442 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2443 struct azx *chip = apcm->chip;
2444 struct azx_dev *azx_dev = get_azx_dev(substream);
2445 return bytes_to_frames(substream->runtime,
798cb7e8 2446 azx_get_position(chip, azx_dev, false));
9ad593f6
TI		 2447}
2448
2449/*
2450 * Check whether the current DMA position is acceptable for updating
2451 * periods. Returns non-zero if it's OK.
2452 *
2453 * Many HD-audio controllers appear pretty inaccurate about
2454 * the update-IRQ timing. The IRQ is issued before actually the
2455 * data is processed. So, we need to process it afterwords in a
2456 * workqueue.
2457 */
2458static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
2459{
e5463720 2460 u32 wallclk;
9ad593f6
TI		 2461 unsigned int pos;
2462
f48f606d
JK		 2463 wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;
2464 if (wallclk < (azx_dev->period_wallclk * 2) / 3)
fa00e046 2465 return -1; /* bogus (too early) interrupt */
fa00e046 2466
798cb7e8 2467 pos = azx_get_position(chip, azx_dev, true);
9ad593f6 2468
d6d8bf54
TI		 2469 if (WARN_ONCE(!azx_dev->period_bytes,
2470 "hda-intel: zero azx_dev->period_bytes"))
f48f606d 2471 return -1; /* this shouldn't happen! */
edb39935 2472 if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&
f48f606d
JK		 2473 pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
2474 /* NG - it's below the first next period boundary */
2475 return bdl_pos_adj[chip->dev_index] ? 0 : -1;
edb39935 2476 azx_dev->start_wallclk += wallclk;
9ad593f6
TI		 2477 return 1; /* OK, it's fine */
2478}
2479
2480/*
2481 * The work for pending PCM period updates.
2482 */
2483static void azx_irq_pending_work(struct work_struct *work)
2484{
2485 struct azx *chip = container_of(work, struct azx, irq_pending_work);
e5463720 2486 int i, pending, ok;
9ad593f6 2487
a6a950a8
TI		 2488 if (!chip->irq_pending_warned) {
2489 printk(KERN_WARNING
2490 "hda-intel: IRQ timing workaround is activated "
2491 "for card #%d. Suggest a bigger bdl_pos_adj.\n",
2492 chip->card->number);
2493 chip->irq_pending_warned = 1;
2494 }
2495
9ad593f6
TI		 2496 for (;;) {
2497 pending = 0;
2498 spin_lock_irq(&chip->reg_lock);
2499 for (i = 0; i < chip->num_streams; i++) {
2500 struct azx_dev *azx_dev = &chip->azx_dev[i];
2501 if (!azx_dev->irq_pending ||
2502 !azx_dev->substream ||
2503 !azx_dev->running)
2504 continue;
e5463720
JK		 2505 ok = azx_position_ok(chip, azx_dev);
2506 if (ok > 0) {
9ad593f6
TI		 2507 azx_dev->irq_pending = 0;
2508 spin_unlock(&chip->reg_lock);
2509 snd_pcm_period_elapsed(azx_dev->substream);
2510 spin_lock(&chip->reg_lock);
e5463720
JK		 2511 } else if (ok < 0) {
2512 pending = 0; /* too early */
9ad593f6
TI		 2513 } else
2514 pending++;
2515 }
2516 spin_unlock_irq(&chip->reg_lock);
2517 if (!pending)
2518 return;
08af495f 2519 msleep(1);
9ad593f6
TI		 2520 }
2521}
2522
2523/* clear irq_pending flags and assure no on-going workq */
2524static void azx_clear_irq_pending(struct azx *chip)
2525{
2526 int i;
2527
2528 spin_lock_irq(&chip->reg_lock);
2529 for (i = 0; i < chip->num_streams; i++)
2530 chip->azx_dev[i].irq_pending = 0;
2531 spin_unlock_irq(&chip->reg_lock);
1da177e4
LT		 2532}
2533
27fe48d9
TI		 2534#ifdef CONFIG_X86
2535static int azx_pcm_mmap(struct snd_pcm_substream *substream,
2536 struct vm_area_struct *area)
2537{
2538 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2539 struct azx *chip = apcm->chip;
2540 if (!azx_snoop(chip))
2541 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
2542 return snd_pcm_lib_default_mmap(substream, area);
2543}
2544#else
2545#define azx_pcm_mmap NULL
2546#endif
2547
a98f90fd 2548static struct snd_pcm_ops azx_pcm_ops = {
1da177e4
LT		 2549 .open = azx_pcm_open,
2550 .close = azx_pcm_close,
2551 .ioctl = snd_pcm_lib_ioctl,
2552 .hw_params = azx_pcm_hw_params,
2553 .hw_free = azx_pcm_hw_free,
2554 .prepare = azx_pcm_prepare,
2555 .trigger = azx_pcm_trigger,
2556 .pointer = azx_pcm_pointer,
5d890f59 2557 .wall_clock = azx_get_wallclock_tstamp,
27fe48d9 2558 .mmap = azx_pcm_mmap,
4ce107b9 2559 .page = snd_pcm_sgbuf_ops_page,
1da177e4
LT		 2560};
2561
a98f90fd 2562static void azx_pcm_free(struct snd_pcm *pcm)
1da177e4 2563{
176d5335
TI		 2564 struct azx_pcm *apcm = pcm->private_data;
2565 if (apcm) {
01b65bfb 2566 list_del(&apcm->list);
176d5335
TI		 2567 kfree(apcm);
2568 }
1da177e4
LT		 2569}
2570
acfa634f
TI		 2571#define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
2572
176d5335 2573static int
33fa35ed
TI		 2574azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
2575 struct hda_pcm *cpcm)
1da177e4 2576{
33fa35ed 2577 struct azx *chip = bus->private_data;
a98f90fd 2578 struct snd_pcm *pcm;
1da177e4 2579 struct azx_pcm *apcm;
176d5335 2580 int pcm_dev = cpcm->device;
acfa634f 2581 unsigned int size;
176d5335 2582 int s, err;
1da177e4 2583
01b65bfb
TI		 2584 list_for_each_entry(apcm, &chip->pcm_list, list) {
2585 if (apcm->pcm->device == pcm_dev) {
445a51b3
DB		 2586 snd_printk(KERN_ERR SFX "%s: PCM %d already exists\n",
2587 pci_name(chip->pci), pcm_dev);
01b65bfb
TI		 2588 return -EBUSY;
2589 }
176d5335
TI		 2590 }
2591 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
2592 cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams,
2593 cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams,
1da177e4
LT		 2594 &pcm);
2595 if (err < 0)
2596 return err;
18cb7109 2597 strlcpy(pcm->name, cpcm->name, sizeof(pcm->name));
176d5335 2598 apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
1da177e4
LT		 2599 if (apcm == NULL)
2600 return -ENOMEM;
2601 apcm->chip = chip;
01b65bfb 2602 apcm->pcm = pcm;
1da177e4 2603 apcm->codec = codec;
1da177e4
LT		 2604 pcm->private_data = apcm;
2605 pcm->private_free = azx_pcm_free;
176d5335
TI		 2606 if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM)
2607 pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
01b65bfb 2608 list_add_tail(&apcm->list, &chip->pcm_list);
176d5335
TI		 2609 cpcm->pcm = pcm;
2610 for (s = 0; s < 2; s++) {
2611 apcm->hinfo[s] = &cpcm->stream[s];
2612 if (cpcm->stream[s].substreams)
2613 snd_pcm_set_ops(pcm, s, &azx_pcm_ops);
2614 }
2615 /* buffer pre-allocation */
acfa634f
TI		 2616 size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
2617 if (size > MAX_PREALLOC_SIZE)
2618 size = MAX_PREALLOC_SIZE;
4ce107b9 2619 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1da177e4 2620 snd_dma_pci_data(chip->pci),
acfa634f 2621 size, MAX_PREALLOC_SIZE);
1da177e4
LT		 2622 return 0;
2623}
2624
2625/*
2626 * mixer creation - all stuff is implemented in hda module
2627 */
e23e7a14 2628static int azx_mixer_create(struct azx *chip)
1da177e4
LT		 2629{
2630 return snd_hda_build_controls(chip->bus);
2631}
2632
2633
2634/*
2635 * initialize SD streams
2636 */
e23e7a14 2637static int azx_init_stream(struct azx *chip)
1da177e4
LT		 2638{
2639 int i;
2640
2641 /* initialize each stream (aka device)
d01ce99f
TI		 2642 * assign the starting bdl address to each stream (device)
2643 * and initialize
1da177e4 2644 */
07e4ca50 2645 for (i = 0; i < chip->num_streams; i++) {
a98f90fd 2646 struct azx_dev *azx_dev = &chip->azx_dev[i];
929861c6 2647 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
1da177e4
LT		 2648 /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
2649 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
2650 /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
2651 azx_dev->sd_int_sta_mask = 1 << i;
2652 /* stream tag: must be non-zero and unique */
2653 azx_dev->index = i;
2654 azx_dev->stream_tag = i + 1;
2655 }
2656
2657 return 0;
2658}
2659
68e7fffc
TI		 2660static int azx_acquire_irq(struct azx *chip, int do_disconnect)
2661{
437a5a46
TI		 2662 if (request_irq(chip->pci->irq, azx_interrupt,
2663 chip->msi ? 0 : IRQF_SHARED,
934c2b6d 2664 KBUILD_MODNAME, chip)) {
68e7fffc
TI		 2665 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
2666 "disabling device\n", chip->pci->irq);
2667 if (do_disconnect)
2668 snd_card_disconnect(chip->card);
2669 return -1;
2670 }
2671 chip->irq = chip->pci->irq;
69e13418 2672 pci_intx(chip->pci, !chip->msi);
68e7fffc
TI		 2673 return 0;
2674}
2675
1da177e4 2676
cb53c626
TI		 2677static void azx_stop_chip(struct azx *chip)
2678{
95e99fda 2679 if (!chip->initialized)
cb53c626
TI		 2680 return;
2681
2682 /* disable interrupts */
2683 azx_int_disable(chip);
2684 azx_int_clear(chip);
2685
2686 /* disable CORB/RIRB */
2687 azx_free_cmd_io(chip);
2688
2689 /* disable position buffer */
2690 azx_writel(chip, DPLBASE, 0);
2691 azx_writel(chip, DPUBASE, 0);
2692
2693 chip->initialized = 0;
2694}
2695
1d1a4564
TI		 2696#ifdef CONFIG_SND_HDA_DSP_LOADER
2697/*
2698 * DSP loading code (e.g. for CA0132)
2699 */
2700
2701/* use the first stream for loading DSP */
2702static struct azx_dev *
2703azx_get_dsp_loader_dev(struct azx *chip)
2704{
2705 return &chip->azx_dev[chip->playback_index_offset];
2706}
2707
2708static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format,
2709 unsigned int byte_size,
2710 struct snd_dma_buffer *bufp)
2711{
2712 u32 *bdl;
2713 struct azx *chip = bus->private_data;
2714 struct azx_dev *azx_dev;
2715 int err;
2716
eb49faa6
TI		 2717 azx_dev = azx_get_dsp_loader_dev(chip);
2718
2719 dsp_lock(azx_dev);
2720 spin_lock_irq(&chip->reg_lock);
2721 if (azx_dev->running || azx_dev->locked) {
2722 spin_unlock_irq(&chip->reg_lock);
2723 err = -EBUSY;
2724 goto unlock;
2725 }
2726 azx_dev->prepared = 0;
2727 chip->saved_azx_dev = *azx_dev;
2728 azx_dev->locked = 1;
2729 spin_unlock_irq(&chip->reg_lock);
1d1a4564
TI		 2730
2731 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG,
2732 snd_dma_pci_data(chip->pci),
2733 byte_size, bufp);
2734 if (err < 0)
eb49faa6 2735 goto err_alloc;
1d1a4564 2736
b3667bd7 2737 mark_pages_wc(chip, bufp, true);
1d1a4564
TI		 2738 azx_dev->bufsize = byte_size;
2739 azx_dev->period_bytes = byte_size;
2740 azx_dev->format_val = format;
2741
2742 azx_stream_reset(chip, azx_dev);
2743
2744 /* reset BDL address */
2745 azx_sd_writel(azx_dev, SD_BDLPL, 0);
2746 azx_sd_writel(azx_dev, SD_BDLPU, 0);
2747
2748 azx_dev->frags = 0;
2749 bdl = (u32 *)azx_dev->bdl.area;
2750 err = setup_bdle(chip, bufp, azx_dev, &bdl, 0, byte_size, 0);
2751 if (err < 0)
2752 goto error;
2753
2754 azx_setup_controller(chip, azx_dev);
eb49faa6 2755 dsp_unlock(azx_dev);
1d1a4564
TI		 2756 return azx_dev->stream_tag;
2757
2758 error:
b3667bd7
TI		 2759 mark_pages_wc(chip, bufp, false);
2760 snd_dma_free_pages(bufp);
eb49faa6
TI		 2761 err_alloc:
2762 spin_lock_irq(&chip->reg_lock);
2763 if (azx_dev->opened)
2764 *azx_dev = chip->saved_azx_dev;
2765 azx_dev->locked = 0;
2766 spin_unlock_irq(&chip->reg_lock);
2767 unlock:
2768 dsp_unlock(azx_dev);
1d1a4564
TI		 2769 return err;
2770}
2771
2772static void azx_load_dsp_trigger(struct hda_bus *bus, bool start)
2773{
2774 struct azx *chip = bus->private_data;
2775 struct azx_dev *azx_dev = azx_get_dsp_loader_dev(chip);
2776
2777 if (start)
2778 azx_stream_start(chip, azx_dev);
2779 else
2780 azx_stream_stop(chip, azx_dev);
2781 azx_dev->running = start;
2782}
2783
2784static void azx_load_dsp_cleanup(struct hda_bus *bus,
2785 struct snd_dma_buffer *dmab)
2786{
2787 struct azx *chip = bus->private_data;
2788 struct azx_dev *azx_dev = azx_get_dsp_loader_dev(chip);
2789
eb49faa6 2790 if (!dmab->area || !azx_dev->locked)
b3667bd7
TI		 2791 return;
2792
eb49faa6 2793 dsp_lock(azx_dev);
1d1a4564
TI		 2794 /* reset BDL address */
2795 azx_sd_writel(azx_dev, SD_BDLPL, 0);
2796 azx_sd_writel(azx_dev, SD_BDLPU, 0);
2797 azx_sd_writel(azx_dev, SD_CTL, 0);
2798 azx_dev->bufsize = 0;
2799 azx_dev->period_bytes = 0;
2800 azx_dev->format_val = 0;
2801
b3667bd7 2802 mark_pages_wc(chip, dmab, false);
1d1a4564 2803 snd_dma_free_pages(dmab);
b3667bd7 2804 dmab->area = NULL;
1d1a4564 2805
eb49faa6
TI		 2806 spin_lock_irq(&chip->reg_lock);
2807 if (azx_dev->opened)
2808 *azx_dev = chip->saved_azx_dev;
2809 azx_dev->locked = 0;
2810 spin_unlock_irq(&chip->reg_lock);
2811 dsp_unlock(azx_dev);
1d1a4564
TI		 2812}
2813#endif /* CONFIG_SND_HDA_DSP_LOADER */
2814
83012a7c 2815#ifdef CONFIG_PM
cb53c626 2816/* power-up/down the controller */
68467f51 2817static void azx_power_notify(struct hda_bus *bus, bool power_up)
cb53c626 2818{
33fa35ed 2819 struct azx *chip = bus->private_data;
cb53c626 2820
2ea3c6a2
TI		 2821 if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
2822 return;
2823
68467f51 2824 if (power_up)
b8dfc462
ML		 2825 pm_runtime_get_sync(&chip->pci->dev);
2826 else
2827 pm_runtime_put_sync(&chip->pci->dev);
cb53c626 2828}
65fcd41d
TI		 2829
2830static DEFINE_MUTEX(card_list_lock);
2831static LIST_HEAD(card_list);
2832
2833static void azx_add_card_list(struct azx *chip)
2834{
2835 mutex_lock(&card_list_lock);
2836 list_add(&chip->list, &card_list);
2837 mutex_unlock(&card_list_lock);
2838}
2839
2840static void azx_del_card_list(struct azx *chip)
2841{
2842 mutex_lock(&card_list_lock);
2843 list_del_init(&chip->list);
2844 mutex_unlock(&card_list_lock);
2845}
2846
2847/* trigger power-save check at writing parameter */
2848static int param_set_xint(const char *val, const struct kernel_param *kp)
2849{
2850 struct azx *chip;
2851 struct hda_codec *c;
2852 int prev = power_save;
2853 int ret = param_set_int(val, kp);
2854
2855 if (ret || prev == power_save)
2856 return ret;
2857
2858 mutex_lock(&card_list_lock);
2859 list_for_each_entry(chip, &card_list, list) {
2860 if (!chip->bus || chip->disabled)
2861 continue;
2862 list_for_each_entry(c, &chip->bus->codec_list, list)
2863 snd_hda_power_sync(c);
2864 }
2865 mutex_unlock(&card_list_lock);
2866 return 0;
2867}
2868#else
2869#define azx_add_card_list(chip) /* NOP */
2870#define azx_del_card_list(chip) /* NOP */
83012a7c 2871#endif /* CONFIG_PM */
5c0b9bec 2872
7ccbde57 2873#if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
5c0b9bec
TI		 2874/*
2875 * power management
2876 */
68cb2b55 2877static int azx_suspend(struct device *dev)
1da177e4 2878{
68cb2b55
TI		 2879 struct pci_dev *pci = to_pci_dev(dev);
2880 struct snd_card *card = dev_get_drvdata(dev);
421a1252 2881 struct azx *chip = card->private_data;
01b65bfb 2882 struct azx_pcm *p;
1da177e4 2883
c5c21523
TI		 2884 if (chip->disabled)
2885 return 0;
2886
421a1252 2887 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
9ad593f6 2888 azx_clear_irq_pending(chip);
01b65bfb
TI		 2889 list_for_each_entry(p, &chip->pcm_list, list)
2890 snd_pcm_suspend_all(p->pcm);
0b7a2e9c 2891 if (chip->initialized)
8dd78330 2892 snd_hda_suspend(chip->bus);
cb53c626 2893 azx_stop_chip(chip);
30b35399 2894 if (chip->irq >= 0) {
43001c95 2895 free_irq(chip->irq, chip);
30b35399
TI		 2896 chip->irq = -1;
2897 }
68e7fffc 2898 if (chip->msi)
43001c95 2899 pci_disable_msi(chip->pci);
421a1252
TI		 2900 pci_disable_device(pci);
2901 pci_save_state(pci);
68cb2b55 2902 pci_set_power_state(pci, PCI_D3hot);
1da177e4
LT		 2903 return 0;
2904}
2905
68cb2b55 2906static int azx_resume(struct device *dev)
1da177e4 2907{
68cb2b55
TI		 2908 struct pci_dev *pci = to_pci_dev(dev);
2909 struct snd_card *card = dev_get_drvdata(dev);
421a1252 2910 struct azx *chip = card->private_data;
1da177e4 2911
c5c21523
TI		 2912 if (chip->disabled)
2913 return 0;
2914
d14a7e0b
TI		 2915 pci_set_power_state(pci, PCI_D0);
2916 pci_restore_state(pci);
30b35399
TI		 2917 if (pci_enable_device(pci) < 0) {
2918 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
2919 "disabling device\n");
2920 snd_card_disconnect(card);
2921 return -EIO;
2922 }
2923 pci_set_master(pci);
68e7fffc
TI		 2924 if (chip->msi)
2925 if (pci_enable_msi(pci) < 0)
2926 chip->msi = 0;
2927 if (azx_acquire_irq(chip, 1) < 0)
30b35399 2928 return -EIO;
cb53c626 2929 azx_init_pci(chip);
d804ad92 2930
7f30830b 2931 azx_init_chip(chip, 1);
d804ad92 2932
1da177e4 2933 snd_hda_resume(chip->bus);
421a1252 2934 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1da177e4
LT		 2935 return 0;
2936}
b8dfc462
ML		 2937#endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
2938
2939#ifdef CONFIG_PM_RUNTIME
2940static int azx_runtime_suspend(struct device *dev)
2941{
2942 struct snd_card *card = dev_get_drvdata(dev);
2943 struct azx *chip = card->private_data;
2944
b8dfc462
ML		 2945 azx_stop_chip(chip);
2946 azx_clear_irq_pending(chip);
2947 return 0;
2948}
2949
2950static int azx_runtime_resume(struct device *dev)
2951{
2952 struct snd_card *card = dev_get_drvdata(dev);
2953 struct azx *chip = card->private_data;
2954
2955 azx_init_pci(chip);
2956 azx_init_chip(chip, 1);
2957 return 0;
2958}
6eb827d2
TI		 2959
2960static int azx_runtime_idle(struct device *dev)
2961{
2962 struct snd_card *card = dev_get_drvdata(dev);
2963 struct azx *chip = card->private_data;
2964
2965 if (!power_save_controller ||
2966 !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
2967 return -EBUSY;
2968
2969 return 0;
2970}
2971
b8dfc462
ML		 2972#endif /* CONFIG_PM_RUNTIME */
2973
2974#ifdef CONFIG_PM
2975static const struct dev_pm_ops azx_pm = {
2976 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
6eb827d2 2977 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
b8dfc462
ML		 2978};
2979
68cb2b55
TI		 2980#define AZX_PM_OPS &azx_pm
2981#else
68cb2b55 2982#define AZX_PM_OPS NULL
b8dfc462 2983#endif /* CONFIG_PM */
1da177e4
LT		 2984
2985
0cbf0098
TI		 2986/*
2987 * reboot notifier for hang-up problem at power-down
2988 */
2989static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
2990{
2991 struct azx *chip = container_of(nb, struct azx, reboot_notifier);
fb8d1a34 2992 snd_hda_bus_reboot_notify(chip->bus);
0cbf0098
TI		 2993 azx_stop_chip(chip);
2994 return NOTIFY_OK;
2995}
2996
2997static void azx_notifier_register(struct azx *chip)
2998{
2999 chip->reboot_notifier.notifier_call = azx_halt;
3000 register_reboot_notifier(&chip->reboot_notifier);
3001}
3002
3003static void azx_notifier_unregister(struct azx *chip)
3004{
3005 if (chip->reboot_notifier.notifier_call)
3006 unregister_reboot_notifier(&chip->reboot_notifier);
3007}
3008
48c8b0eb
TI		 3009static int azx_first_init(struct azx *chip);
3010static int azx_probe_continue(struct azx *chip);
a82d51ed 3011
8393ec4a 3012#ifdef SUPPORT_VGA_SWITCHEROO
e23e7a14 3013static struct pci_dev *get_bound_vga(struct pci_dev *pci);
a82d51ed 3014
a82d51ed
TI		 3015static void azx_vs_set_state(struct pci_dev *pci,
3016 enum vga_switcheroo_state state)
3017{
3018 struct snd_card *card = pci_get_drvdata(pci);
3019 struct azx *chip = card->private_data;
3020 bool disabled;
3021
f4c482a4 3022 wait_for_completion(&chip->probe_wait);
a82d51ed
TI		 3023 if (chip->init_failed)
3024 return;
3025
3026 disabled = (state == VGA_SWITCHEROO_OFF);
3027 if (chip->disabled == disabled)
3028 return;
3029
3030 if (!chip->bus) {
3031 chip->disabled = disabled;
3032 if (!disabled) {
3033 snd_printk(KERN_INFO SFX
3034 "%s: Start delayed initialization\n",
3035 pci_name(chip->pci));
3036 if (azx_first_init(chip) < 0 ||
3037 azx_probe_continue(chip) < 0) {
3038 snd_printk(KERN_ERR SFX
3039 "%s: initialization error\n",
3040 pci_name(chip->pci));
3041 chip->init_failed = true;
3042 }
3043 }
3044 } else {
3045 snd_printk(KERN_INFO SFX
445a51b3
DB		 3046 "%s: %s via VGA-switcheroo\n", pci_name(chip->pci),
3047 disabled ? "Disabling" : "Enabling");
a82d51ed 3048 if (disabled) {
68cb2b55 3049 azx_suspend(&pci->dev);
a82d51ed 3050 chip->disabled = true;
128960a9 3051 if (snd_hda_lock_devices(chip->bus))
445a51b3
DB		 3052 snd_printk(KERN_WARNING SFX "%s: Cannot lock devices!\n",
3053 pci_name(chip->pci));
a82d51ed
TI		 3054 } else {
3055 snd_hda_unlock_devices(chip->bus);
3056 chip->disabled = false;
68cb2b55 3057 azx_resume(&pci->dev);
a82d51ed
TI		 3058 }
3059 }
3060}
3061
3062static bool azx_vs_can_switch(struct pci_dev *pci)
3063{
3064 struct snd_card *card = pci_get_drvdata(pci);
3065 struct azx *chip = card->private_data;
3066
f4c482a4 3067 wait_for_completion(&chip->probe_wait);
a82d51ed
TI		 3068 if (chip->init_failed)
3069 return false;
3070 if (chip->disabled || !chip->bus)
3071 return true;
3072 if (snd_hda_lock_devices(chip->bus))
3073 return false;
3074 snd_hda_unlock_devices(chip->bus);
3075 return true;
3076}
3077
e23e7a14 3078static void init_vga_switcheroo(struct azx *chip)
a82d51ed
TI		 3079{
3080 struct pci_dev *p = get_bound_vga(chip->pci);
3081 if (p) {
3082 snd_printk(KERN_INFO SFX
3083 "%s: Handle VGA-switcheroo audio client\n",
3084 pci_name(chip->pci));
3085 chip->use_vga_switcheroo = 1;
3086 pci_dev_put(p);
3087 }
3088}
3089
3090static const struct vga_switcheroo_client_ops azx_vs_ops = {
3091 .set_gpu_state = azx_vs_set_state,
3092 .can_switch = azx_vs_can_switch,
3093};
3094
e23e7a14 3095static int register_vga_switcheroo(struct azx *chip)
a82d51ed 3096{
128960a9
TI		 3097 int err;
3098
a82d51ed
TI		 3099 if (!chip->use_vga_switcheroo)
3100 return 0;
3101 /* FIXME: currently only handling DIS controller
3102 * is there any machine with two switchable HDMI audio controllers?
3103 */
128960a9 3104 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
a82d51ed
TI		 3105 VGA_SWITCHEROO_DIS,
3106 chip->bus != NULL);
128960a9
TI		 3107 if (err < 0)
3108 return err;
3109 chip->vga_switcheroo_registered = 1;
3110 return 0;
a82d51ed
TI		 3111}
3112#else
3113#define init_vga_switcheroo(chip) /* NOP */
3114#define register_vga_switcheroo(chip) 0
8393ec4a 3115#define check_hdmi_disabled(pci) false
a82d51ed
TI		 3116#endif /* SUPPORT_VGA_SWITCHER */
3117
1da177e4
LT		 3118/*
3119 * destructor
3120 */
a98f90fd 3121static int azx_free(struct azx *chip)
1da177e4 3122{
4ce107b9
TI		 3123 int i;
3124
65fcd41d
TI		 3125 azx_del_card_list(chip);
3126
0cbf0098
TI		 3127 azx_notifier_unregister(chip);
3128
f4c482a4 3129 chip->init_failed = 1; /* to be sure */
44728e97 3130 complete_all(&chip->probe_wait);
f4c482a4 3131
a82d51ed
TI		 3132 if (use_vga_switcheroo(chip)) {
3133 if (chip->disabled && chip->bus)
3134 snd_hda_unlock_devices(chip->bus);
128960a9
TI		 3135 if (chip->vga_switcheroo_registered)
3136 vga_switcheroo_unregister_client(chip->pci);
a82d51ed
TI		 3137 }
3138
ce43fbae 3139 if (chip->initialized) {
9ad593f6 3140 azx_clear_irq_pending(chip);
07e4ca50 3141 for (i = 0; i < chip->num_streams; i++)
1da177e4 3142 azx_stream_stop(chip, &chip->azx_dev[i]);
cb53c626 3143 azx_stop_chip(chip);
1da177e4
LT		 3144 }
3145
f000fd80 3146 if (chip->irq >= 0)
1da177e4 3147 free_irq(chip->irq, (void*)chip);
68e7fffc 3148 if (chip->msi)
30b35399 3149 pci_disable_msi(chip->pci);
f079c25a
TI		 3150 if (chip->remap_addr)
3151 iounmap(chip->remap_addr);
1da177e4 3152
4ce107b9
TI		 3153 if (chip->azx_dev) {
3154 for (i = 0; i < chip->num_streams; i++)
27fe48d9
TI		 3155 if (chip->azx_dev[i].bdl.area) {
3156 mark_pages_wc(chip, &chip->azx_dev[i].bdl, false);
4ce107b9 3157 snd_dma_free_pages(&chip->azx_dev[i].bdl);
27fe48d9 3158 }
4ce107b9 3159 }
27fe48d9
TI		 3160 if (chip->rb.area) {
3161 mark_pages_wc(chip, &chip->rb, false);
1da177e4 3162 snd_dma_free_pages(&chip->rb);
27fe48d9
TI		 3163 }
3164 if (chip->posbuf.area) {
3165 mark_pages_wc(chip, &chip->posbuf, false);
1da177e4 3166 snd_dma_free_pages(&chip->posbuf);
27fe48d9 3167 }
a82d51ed
TI		 3168 if (chip->region_requested)
3169 pci_release_regions(chip->pci);
1da177e4 3170 pci_disable_device(chip->pci);
07e4ca50 3171 kfree(chip->azx_dev);
4918cdab
TI		 3172#ifdef CONFIG_SND_HDA_PATCH_LOADER
3173 if (chip->fw)
3174 release_firmware(chip->fw);
3175#endif
1da177e4
LT		 3176 kfree(chip);
3177
3178 return 0;
3179}
3180
a98f90fd 3181static int azx_dev_free(struct snd_device *device)
1da177e4
LT		 3182{
3183 return azx_free(device->device_data);
3184}
3185
8393ec4a 3186#ifdef SUPPORT_VGA_SWITCHEROO
9121947d
TI		 3187/*
3188 * Check of disabled HDMI controller by vga-switcheroo
3189 */
e23e7a14 3190static struct pci_dev *get_bound_vga(struct pci_dev *pci)
9121947d
TI		 3191{
3192 struct pci_dev *p;
3193
3194 /* check only discrete GPU */
3195 switch (pci->vendor) {
3196 case PCI_VENDOR_ID_ATI:
3197 case PCI_VENDOR_ID_AMD:
3198 case PCI_VENDOR_ID_NVIDIA:
3199 if (pci->devfn == 1) {
3200 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
3201 pci->bus->number, 0);
3202 if (p) {
3203 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
3204 return p;
3205 pci_dev_put(p);
3206 }
3207 }
3208 break;
3209 }
3210 return NULL;
3211}
3212
e23e7a14 3213static bool check_hdmi_disabled(struct pci_dev *pci)
9121947d
TI		 3214{
3215 bool vga_inactive = false;
3216 struct pci_dev *p = get_bound_vga(pci);
3217
3218 if (p) {
12b78a7f 3219 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
9121947d
TI		 3220 vga_inactive = true;
3221 pci_dev_put(p);
3222 }
3223 return vga_inactive;
3224}
8393ec4a 3225#endif /* SUPPORT_VGA_SWITCHEROO */
9121947d 3226
3372a153
TI		 3227/*
3228 * white/black-listing for position_fix
3229 */
e23e7a14 3230static struct snd_pci_quirk position_fix_list[] = {
d2e1c973
TI		 3231 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
3232 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
2f703e7a 3233 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
d2e1c973 3234 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
dd37f8e8 3235 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
9f75c1b1 3236 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
e96d3127 3237 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
b01de4fb 3238 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
61bb42c3 3239 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
9ec8ddad 3240 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
45d4ebf1 3241 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
8815cd03 3242 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
b90c0764 3243 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
0e0280dc 3244 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
3372a153
TI		 3245 {}
3246};
3247
e23e7a14 3248static int check_position_fix(struct azx *chip, int fix)
3372a153
TI		 3249{
3250 const struct snd_pci_quirk *q;
3251
c673ba1c 3252 switch (fix) {
1dac6695 3253 case POS_FIX_AUTO:
c673ba1c
TI		 3254 case POS_FIX_LPIB:
3255 case POS_FIX_POSBUF:
4cb36310 3256 case POS_FIX_VIACOMBO:
a6f2fd55 3257 case POS_FIX_COMBO:
c673ba1c
TI		 3258 return fix;
3259 }
3260
c673ba1c
TI		 3261 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
3262 if (q) {
3263 printk(KERN_INFO
3264 "hda_intel: position_fix set to %d "
3265 "for device %04x:%04x\n",
3266 q->value, q->subvendor, q->subdevice);
3267 return q->value;
3372a153 3268 }
bdd9ef24
DH		 3269
3270 /* Check VIA/ATI HD Audio Controller exist */
9477c58e 3271 if (chip->driver_caps & AZX_DCAPS_POSFIX_VIA) {
445a51b3 3272 snd_printd(SFX "%s: Using VIACOMBO position fix\n", pci_name(chip->pci));
bdd9ef24 3273 return POS_FIX_VIACOMBO;
9477c58e
TI		 3274 }
3275 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
445a51b3 3276 snd_printd(SFX "%s: Using LPIB position fix\n", pci_name(chip->pci));
50e3bbf9 3277 return POS_FIX_LPIB;
bdd9ef24 3278 }
c673ba1c 3279 return POS_FIX_AUTO;
3372a153
TI		 3280}
3281
669ba27a
TI		 3282/*
3283 * black-lists for probe_mask
3284 */
e23e7a14 3285static struct snd_pci_quirk probe_mask_list[] = {
669ba27a
TI		 3286 /* Thinkpad often breaks the controller communication when accessing
3287 * to the non-working (or non-existing) modem codec slot.
3288 */
3289 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
3290 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
3291 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
0edb9454
TI		 3292 /* broken BIOS */
3293 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
ef1681d8
TI		 3294 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
3295 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
20db7cb0 3296 /* forced codec slots */
93574844 3297 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
20db7cb0 3298 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
f3af9051
JK		 3299 /* WinFast VP200 H (Teradici) user reported broken communication */
3300 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
669ba27a
TI		 3301 {}
3302};
3303
f1eaaeec
TI		 3304#define AZX_FORCE_CODEC_MASK 0x100
3305
e23e7a14 3306static void check_probe_mask(struct azx *chip, int dev)
669ba27a
TI		 3307{
3308 const struct snd_pci_quirk *q;
3309
f1eaaeec
TI		 3310 chip->codec_probe_mask = probe_mask[dev];
3311 if (chip->codec_probe_mask == -1) {
669ba27a
TI		 3312 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
3313 if (q) {
3314 printk(KERN_INFO
3315 "hda_intel: probe_mask set to 0x%x "
3316 "for device %04x:%04x\n",
3317 q->value, q->subvendor, q->subdevice);
f1eaaeec 3318 chip->codec_probe_mask = q->value;
669ba27a
TI		 3319 }
3320 }
f1eaaeec
TI		 3321
3322 /* check forced option */
3323 if (chip->codec_probe_mask != -1 &&
3324 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
3325 chip->codec_mask = chip->codec_probe_mask & 0xff;
3326 printk(KERN_INFO "hda_intel: codec_mask forced to 0x%x\n",
3327 chip->codec_mask);
3328 }
669ba27a
TI		 3329}
3330
4d8e22e0 3331/*
71623855 3332 * white/black-list for enable_msi
4d8e22e0 3333 */
e23e7a14 3334static struct snd_pci_quirk msi_black_list[] = {
9dc8398b 3335 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
0a27fcfa 3336 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
ecd21626 3337 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
4193d13b 3338 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
3815595e 3339 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
4d8e22e0
TI		 3340 {}
3341};
3342
e23e7a14 3343static void check_msi(struct azx *chip)
4d8e22e0
TI		 3344{
3345 const struct snd_pci_quirk *q;
3346
71623855
TI		 3347 if (enable_msi >= 0) {
3348 chip->msi = !!enable_msi;
4d8e22e0 3349 return;
71623855
TI		 3350 }
3351 chip->msi = 1; /* enable MSI as default */
3352 q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
4d8e22e0
TI		 3353 if (q) {
3354 printk(KERN_INFO
3355 "hda_intel: msi for device %04x:%04x set to %d\n",
3356 q->subvendor, q->subdevice, q->value);
3357 chip->msi = q->value;
80c43ed7
TI		 3358 return;
3359 }
3360
3361 /* NVidia chipsets seem to cause troubles with MSI */
9477c58e
TI		 3362 if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
3363 printk(KERN_INFO "hda_intel: Disabling MSI\n");
80c43ed7 3364 chip->msi = 0;
4d8e22e0
TI		 3365 }
3366}
3367
a1585d76 3368/* check the snoop mode availability */
e23e7a14 3369static void azx_check_snoop_available(struct azx *chip)
a1585d76
TI		 3370{
3371 bool snoop = chip->snoop;
3372
3373 switch (chip->driver_type) {
3374 case AZX_DRIVER_VIA:
3375 /* force to non-snoop mode for a new VIA controller
3376 * when BIOS is set
3377 */
3378 if (snoop) {
3379 u8 val;
3380 pci_read_config_byte(chip->pci, 0x42, &val);
3381 if (!(val & 0x80) && chip->pci->revision == 0x30)
3382 snoop = false;
3383 }
3384 break;
3385 case AZX_DRIVER_ATIHDMI_NS:
3386 /* new ATI HDMI requires non-snoop */
3387 snoop = false;
3388 break;
c1279f87
TI		 3389 case AZX_DRIVER_CTHDA:
3390 snoop = false;
3391 break;
a1585d76
TI		 3392 }
3393
3394 if (snoop != chip->snoop) {
445a51b3
DB		 3395 snd_printk(KERN_INFO SFX "%s: Force to %s mode\n",
3396 pci_name(chip->pci), snoop ? "snoop" : "non-snoop");
a1585d76
TI		 3397 chip->snoop = snoop;
3398 }
3399}
669ba27a 3400
1da177e4
LT		 3401/*
3402 * constructor
3403 */
e23e7a14
BP		 3404static int azx_create(struct snd_card *card, struct pci_dev *pci,
3405 int dev, unsigned int driver_caps,
3406 struct azx **rchip)
1da177e4 3407{
a98f90fd 3408 static struct snd_device_ops ops = {
1da177e4
LT		 3409 .dev_free = azx_dev_free,
3410 };
a82d51ed
TI		 3411 struct azx *chip;
3412 int err;
1da177e4
LT		 3413
3414 *rchip = NULL;
bcd72003 3415
927fc866
PM		 3416 err = pci_enable_device(pci);
3417 if (err < 0)
1da177e4
LT		 3418 return err;
3419
e560d8d8 3420 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
927fc866 3421 if (!chip) {
445a51b3 3422 snd_printk(KERN_ERR SFX "%s: Cannot allocate chip\n", pci_name(pci));
1da177e4
LT		 3423 pci_disable_device(pci);
3424 return -ENOMEM;
3425 }
3426
3427 spin_lock_init(&chip->reg_lock);
62932df8 3428 mutex_init(&chip->open_mutex);
1da177e4
LT		 3429 chip->card = card;
3430 chip->pci = pci;
3431 chip->irq = -1;
9477c58e
TI		 3432 chip->driver_caps = driver_caps;
3433 chip->driver_type = driver_caps & 0xff;
4d8e22e0 3434 check_msi(chip);
555e219f 3435 chip->dev_index = dev;
9ad593f6 3436 INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
01b65bfb 3437 INIT_LIST_HEAD(&chip->pcm_list);
65fcd41d 3438 INIT_LIST_HEAD(&chip->list);
a82d51ed 3439 init_vga_switcheroo(chip);
f4c482a4 3440 init_completion(&chip->probe_wait);
1da177e4 3441
beaffc39
SG		 3442 chip->position_fix[0] = chip->position_fix[1] =
3443 check_position_fix(chip, position_fix[dev]);
a6f2fd55
TI		 3444 /* combo mode uses LPIB for playback */
3445 if (chip->position_fix[0] == POS_FIX_COMBO) {
3446 chip->position_fix[0] = POS_FIX_LPIB;
3447 chip->position_fix[1] = POS_FIX_AUTO;
3448 }
3449
5aba4f8e 3450 check_probe_mask(chip, dev);
3372a153 3451
27346166 3452 chip->single_cmd = single_cmd;
27fe48d9 3453 chip->snoop = hda_snoop;
a1585d76 3454 azx_check_snoop_available(chip);
c74db86b 3455
5c0d7bc1
TI		 3456 if (bdl_pos_adj[dev] < 0) {
3457 switch (chip->driver_type) {
0c6341ac 3458 case AZX_DRIVER_ICH:
32679f95 3459 case AZX_DRIVER_PCH:
0c6341ac 3460 bdl_pos_adj[dev] = 1;
5c0d7bc1
TI		 3461 break;
3462 default:
0c6341ac 3463 bdl_pos_adj[dev] = 32;
5c0d7bc1
TI		 3464 break;
3465 }
3466 }
3467
a82d51ed
TI		 3468 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
3469 if (err < 0) {
445a51b3
DB		 3470 snd_printk(KERN_ERR SFX "%s: Error creating device [card]!\n",
3471 pci_name(chip->pci));
a82d51ed
TI		 3472 azx_free(chip);
3473 return err;
3474 }
3475
3476 *rchip = chip;
3477 return 0;
3478}
3479
48c8b0eb 3480static int azx_first_init(struct azx *chip)
a82d51ed
TI		 3481{
3482 int dev = chip->dev_index;
3483 struct pci_dev *pci = chip->pci;
3484 struct snd_card *card = chip->card;
3485 int i, err;
3486 unsigned short gcap;
3487
07e4ca50
TI		 3488#if BITS_PER_LONG != 64
3489 /* Fix up base address on ULI M5461 */
3490 if (chip->driver_type == AZX_DRIVER_ULI) {
3491 u16 tmp3;
3492 pci_read_config_word(pci, 0x40, &tmp3);
3493 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
3494 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
3495 }
3496#endif
3497
927fc866 3498 err = pci_request_regions(pci, "ICH HD audio");
a82d51ed 3499 if (err < 0)
1da177e4 3500 return err;
a82d51ed 3501 chip->region_requested = 1;
1da177e4 3502
927fc866 3503 chip->addr = pci_resource_start(pci, 0);
2f5ad54e 3504 chip->remap_addr = pci_ioremap_bar(pci, 0);
1da177e4 3505 if (chip->remap_addr == NULL) {
445a51b3 3506 snd_printk(KERN_ERR SFX "%s: ioremap error\n", pci_name(chip->pci));
a82d51ed 3507 return -ENXIO;
1da177e4
LT		 3508 }
3509
68e7fffc
TI		 3510 if (chip->msi)
3511 if (pci_enable_msi(pci) < 0)
3512 chip->msi = 0;
7376d013 3513
a82d51ed
TI		 3514 if (azx_acquire_irq(chip, 0) < 0)
3515 return -EBUSY;
1da177e4
LT		 3516
3517 pci_set_master(pci);
3518 synchronize_irq(chip->irq);
3519
bcd72003 3520 gcap = azx_readw(chip, GCAP);
445a51b3 3521 snd_printdd(SFX "%s: chipset global capabilities = 0x%x\n", pci_name(chip->pci), gcap);
bcd72003 3522
dc4c2e6b 3523 /* disable SB600 64bit support for safety */
9477c58e 3524 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
dc4c2e6b
AB		 3525 struct pci_dev *p_smbus;
3526 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
3527 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
3528 NULL);
3529 if (p_smbus) {
3530 if (p_smbus->revision < 0x30)
3531 gcap &= ~ICH6_GCAP_64OK;
3532 pci_dev_put(p_smbus);
3533 }
3534 }
09240cf4 3535
9477c58e
TI		 3536 /* disable 64bit DMA address on some devices */
3537 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
445a51b3 3538 snd_printd(SFX "%s: Disabling 64bit DMA\n", pci_name(chip->pci));
396087ea 3539 gcap &= ~ICH6_GCAP_64OK;
9477c58e 3540 }
396087ea 3541
2ae66c26 3542 /* disable buffer size rounding to 128-byte multiples if supported */
7bfe059e
TI		 3543 if (align_buffer_size >= 0)
3544 chip->align_buffer_size = !!align_buffer_size;
3545 else {
3546 if (chip->driver_caps & AZX_DCAPS_BUFSIZE)
3547 chip->align_buffer_size = 0;
3548 else if (chip->driver_caps & AZX_DCAPS_ALIGN_BUFSIZE)
3549 chip->align_buffer_size = 1;
3550 else
3551 chip->align_buffer_size = 1;
3552 }
2ae66c26 3553
cf7aaca8 3554 /* allow 64bit DMA address if supported by H/W */
b21fadb9 3555 if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
e930438c 3556 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
09240cf4 3557 else {
e930438c
YH		 3558 pci_set_dma_mask(pci, DMA_BIT_MASK(32));
3559 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
09240cf4 3560 }
cf7aaca8 3561
8b6ed8e7
TI		 3562 /* read number of streams from GCAP register instead of using
3563 * hardcoded value
3564 */
3565 chip->capture_streams = (gcap >> 8) & 0x0f;
3566 chip->playback_streams = (gcap >> 12) & 0x0f;
3567 if (!chip->playback_streams && !chip->capture_streams) {
bcd72003
TD		 3568 /* gcap didn't give any info, switching to old method */
3569
3570 switch (chip->driver_type) {
3571 case AZX_DRIVER_ULI:
3572 chip->playback_streams = ULI_NUM_PLAYBACK;
3573 chip->capture_streams = ULI_NUM_CAPTURE;
bcd72003
TD		 3574 break;
3575 case AZX_DRIVER_ATIHDMI:
1815b34a 3576 case AZX_DRIVER_ATIHDMI_NS:
bcd72003
TD		 3577 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
3578 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
bcd72003 3579 break;
c4da29ca 3580 case AZX_DRIVER_GENERIC:
bcd72003
TD		 3581 default:
3582 chip->playback_streams = ICH6_NUM_PLAYBACK;
3583 chip->capture_streams = ICH6_NUM_CAPTURE;
bcd72003
TD		 3584 break;
3585 }
07e4ca50 3586 }
8b6ed8e7
TI		 3587 chip->capture_index_offset = 0;
3588 chip->playback_index_offset = chip->capture_streams;
07e4ca50 3589 chip->num_streams = chip->playback_streams + chip->capture_streams;
d01ce99f
TI		 3590 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
3591 GFP_KERNEL);
927fc866 3592 if (!chip->azx_dev) {
445a51b3 3593 snd_printk(KERN_ERR SFX "%s: cannot malloc azx_dev\n", pci_name(chip->pci));
a82d51ed 3594 return -ENOMEM;
07e4ca50
TI		 3595 }
3596
4ce107b9 3597 for (i = 0; i < chip->num_streams; i++) {
eb49faa6 3598 dsp_lock_init(&chip->azx_dev[i]);
4ce107b9
TI		 3599 /* allocate memory for the BDL for each stream */
3600 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
3601 snd_dma_pci_data(chip->pci),
3602 BDL_SIZE, &chip->azx_dev[i].bdl);
3603 if (err < 0) {
445a51b3 3604 snd_printk(KERN_ERR SFX "%s: cannot allocate BDL\n", pci_name(chip->pci));
a82d51ed 3605 return -ENOMEM;
4ce107b9 3606 }
27fe48d9 3607 mark_pages_wc(chip, &chip->azx_dev[i].bdl, true);
1da177e4 3608 }
0be3b5d3 3609 /* allocate memory for the position buffer */
d01ce99f
TI		 3610 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
3611 snd_dma_pci_data(chip->pci),
3612 chip->num_streams * 8, &chip->posbuf);
3613 if (err < 0) {
445a51b3 3614 snd_printk(KERN_ERR SFX "%s: cannot allocate posbuf\n", pci_name(chip->pci));
a82d51ed 3615 return -ENOMEM;
1da177e4 3616 }
27fe48d9 3617 mark_pages_wc(chip, &chip->posbuf, true);
1da177e4 3618 /* allocate CORB/RIRB */
81740861
TI		 3619 err = azx_alloc_cmd_io(chip);
3620 if (err < 0)
a82d51ed 3621 return err;
1da177e4
LT		 3622
3623 /* initialize streams */
3624 azx_init_stream(chip);
3625
3626 /* initialize chip */
cb53c626 3627 azx_init_pci(chip);
10e77dda 3628 azx_init_chip(chip, (probe_only[dev] & 2) == 0);
1da177e4
LT		 3629
3630 /* codec detection */
927fc866 3631 if (!chip->codec_mask) {
445a51b3 3632 snd_printk(KERN_ERR SFX "%s: no codecs found!\n", pci_name(chip->pci));
a82d51ed 3633 return -ENODEV;
1da177e4
LT		 3634 }
3635
07e4ca50 3636 strcpy(card->driver, "HDA-Intel");
18cb7109
TI		 3637 strlcpy(card->shortname, driver_short_names[chip->driver_type],
3638 sizeof(card->shortname));
3639 snprintf(card->longname, sizeof(card->longname),
3640 "%s at 0x%lx irq %i",
3641 card->shortname, chip->addr, chip->irq);
07e4ca50 3642
1da177e4 3643 return 0;
1da177e4
LT		 3644}
3645
cb53c626
TI		 3646static void power_down_all_codecs(struct azx *chip)
3647{
83012a7c 3648#ifdef CONFIG_PM
cb53c626
TI		 3649 /* The codecs were powered up in snd_hda_codec_new().
3650 * Now all initialization done, so turn them down if possible
3651 */
3652 struct hda_codec *codec;
3653 list_for_each_entry(codec, &chip->bus->codec_list, list) {
3654 snd_hda_power_down(codec);
3655 }
3656#endif
3657}
3658
97c6a3d1 3659#ifdef CONFIG_SND_HDA_PATCH_LOADER
5cb543db
TI		 3660/* callback from request_firmware_nowait() */
3661static void azx_firmware_cb(const struct firmware *fw, void *context)
3662{
3663 struct snd_card *card = context;
3664 struct azx *chip = card->private_data;
3665 struct pci_dev *pci = chip->pci;
3666
3667 if (!fw) {
445a51b3
DB		 3668 snd_printk(KERN_ERR SFX "%s: Cannot load firmware, aborting\n",
3669 pci_name(chip->pci));
5cb543db
TI		 3670 goto error;
3671 }
3672
3673 chip->fw = fw;
3674 if (!chip->disabled) {
3675 /* continue probing */
3676 if (azx_probe_continue(chip))
3677 goto error;
3678 }
3679 return; /* OK */
3680
3681 error:
3682 snd_card_free(card);
3683 pci_set_drvdata(pci, NULL);
3684}
97c6a3d1 3685#endif
5cb543db 3686
e23e7a14
BP		 3687static int azx_probe(struct pci_dev *pci,
3688 const struct pci_device_id *pci_id)
1da177e4 3689{
5aba4f8e 3690 static int dev;
a98f90fd
TI		 3691 struct snd_card *card;
3692 struct azx *chip;
5cb543db 3693 bool probe_now;
927fc866 3694 int err;
1da177e4 3695
5aba4f8e
TI		 3696 if (dev >= SNDRV_CARDS)
3697 return -ENODEV;
3698 if (!enable[dev]) {
3699 dev++;
3700 return -ENOENT;
3701 }
3702
e58de7ba
TI		 3703 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
3704 if (err < 0) {
445a51b3 3705 snd_printk(KERN_ERR "hda-intel: Error creating card!\n");
e58de7ba 3706 return err;
1da177e4
LT		 3707 }
3708
4ea6fbc8
TI		 3709 snd_card_set_dev(card, &pci->dev);
3710
5aba4f8e 3711 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
41dda0fd
WF		 3712 if (err < 0)
3713 goto out_free;
421a1252 3714 card->private_data = chip;
f4c482a4
TI		 3715
3716 pci_set_drvdata(pci, card);
3717
3718 err = register_vga_switcheroo(chip);
3719 if (err < 0) {
3720 snd_printk(KERN_ERR SFX
445a51b3 3721 "%s: Error registering VGA-switcheroo client\n", pci_name(pci));
f4c482a4
TI		 3722 goto out_free;
3723 }
3724
3725 if (check_hdmi_disabled(pci)) {
445a51b3 3726 snd_printk(KERN_INFO SFX "%s: VGA controller is disabled\n",
f4c482a4 3727 pci_name(pci));
445a51b3 3728 snd_printk(KERN_INFO SFX "%s: Delaying initialization\n", pci_name(pci));
f4c482a4
TI		 3729 chip->disabled = true;
3730 }
3731
5cb543db 3732 probe_now = !chip->disabled;
f4c482a4
TI		 3733 if (probe_now) {
3734 err = azx_first_init(chip);
3735 if (err < 0)
3736 goto out_free;
3737 }
1da177e4 3738
4918cdab
TI		 3739#ifdef CONFIG_SND_HDA_PATCH_LOADER
3740 if (patch[dev] && *patch[dev]) {
445a51b3
DB		 3741 snd_printk(KERN_ERR SFX "%s: Applying patch firmware '%s'\n",
3742 pci_name(pci), patch[dev]);
5cb543db
TI		 3743 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
3744 &pci->dev, GFP_KERNEL, card,
3745 azx_firmware_cb);
4918cdab
TI		 3746 if (err < 0)
3747 goto out_free;
5cb543db 3748 probe_now = false; /* continued in azx_firmware_cb() */
4918cdab
TI		 3749 }
3750#endif /* CONFIG_SND_HDA_PATCH_LOADER */
3751
5cb543db 3752 if (probe_now) {
a82d51ed
TI		 3753 err = azx_probe_continue(chip);
3754 if (err < 0)
3755 goto out_free;
3756 }
3757
b8dfc462
ML		 3758 if (pci_dev_run_wake(pci))
3759 pm_runtime_put_noidle(&pci->dev);
3760
a82d51ed 3761 dev++;
44728e97 3762 complete_all(&chip->probe_wait);
a82d51ed
TI		 3763 return 0;
3764
3765out_free:
3766 snd_card_free(card);
f4c482a4 3767 pci_set_drvdata(pci, NULL);
a82d51ed
TI		 3768 return err;
3769}
3770
48c8b0eb 3771static int azx_probe_continue(struct azx *chip)
a82d51ed
TI		 3772{
3773 int dev = chip->dev_index;
3774 int err;
3775
2dca0bba
JK		 3776#ifdef CONFIG_SND_HDA_INPUT_BEEP
3777 chip->beep_mode = beep_mode[dev];
3778#endif
3779
1da177e4 3780 /* create codec instances */
a1e21c90 3781 err = azx_codec_create(chip, model[dev]);
41dda0fd
WF		 3782 if (err < 0)
3783 goto out_free;
4ea6fbc8 3784#ifdef CONFIG_SND_HDA_PATCH_LOADER
4918cdab
TI		 3785 if (chip->fw) {
3786 err = snd_hda_load_patch(chip->bus, chip->fw->size,
3787 chip->fw->data);
4ea6fbc8
TI		 3788 if (err < 0)
3789 goto out_free;
e39ae856 3790#ifndef CONFIG_PM
4918cdab
TI		 3791 release_firmware(chip->fw); /* no longer needed */
3792 chip->fw = NULL;
e39ae856 3793#endif
4ea6fbc8
TI		 3794 }
3795#endif
10e77dda 3796 if ((probe_only[dev] & 1) == 0) {
a1e21c90
TI		 3797 err = azx_codec_configure(chip);
3798 if (err < 0)
3799 goto out_free;
3800 }
1da177e4
LT		 3801
3802 /* create PCM streams */
176d5335 3803 err = snd_hda_build_pcms(chip->bus);
41dda0fd
WF		 3804 if (err < 0)
3805 goto out_free;
1da177e4
LT		 3806
3807 /* create mixer controls */
d01ce99f 3808 err = azx_mixer_create(chip);
41dda0fd
WF		 3809 if (err < 0)
3810 goto out_free;
1da177e4 3811
a82d51ed 3812 err = snd_card_register(chip->card);
41dda0fd
WF		 3813 if (err < 0)
3814 goto out_free;
1da177e4 3815
cb53c626
TI		 3816 chip->running = 1;
3817 power_down_all_codecs(chip);
0cbf0098 3818 azx_notifier_register(chip);
65fcd41d 3819 azx_add_card_list(chip);
1da177e4 3820
9121947d
TI		 3821 return 0;
3822
41dda0fd 3823out_free:
a82d51ed 3824 chip->init_failed = 1;
41dda0fd 3825 return err;
1da177e4
LT		 3826}
3827
e23e7a14 3828static void azx_remove(struct pci_dev *pci)
1da177e4 3829{
9121947d 3830 struct snd_card *card = pci_get_drvdata(pci);
b8dfc462
ML		 3831
3832 if (pci_dev_run_wake(pci))
3833 pm_runtime_get_noresume(&pci->dev);
3834
9121947d
TI		 3835 if (card)
3836 snd_card_free(card);
1da177e4
LT		 3837 pci_set_drvdata(pci, NULL);
3838}
3839
3840/* PCI IDs */
cebe41d4 3841static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
d2f2fcd2 3842 /* CPT */
9477c58e 3843 { PCI_DEVICE(0x8086, 0x1c20),
d7dab4db 3844 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
cea310e8 3845 /* PBG */
9477c58e 3846 { PCI_DEVICE(0x8086, 0x1d20),
d7dab4db 3847 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
d2edeb7c 3848 /* Panther Point */
9477c58e 3849 { PCI_DEVICE(0x8086, 0x1e20),
d7dab4db 3850 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
8bc039a1
SH		 3851 /* Lynx Point */
3852 { PCI_DEVICE(0x8086, 0x8c20),
2ea3c6a2 3853 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
884b088f
JR		 3854 /* Wellsburg */
3855 { PCI_DEVICE(0x8086, 0x8d20),
3856 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
3857 { PCI_DEVICE(0x8086, 0x8d21),
3858 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
144dad99
JR		 3859 /* Lynx Point-LP */
3860 { PCI_DEVICE(0x8086, 0x9c20),
2ea3c6a2 3861 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
144dad99
JR		 3862 /* Lynx Point-LP */
3863 { PCI_DEVICE(0x8086, 0x9c21),
2ea3c6a2 3864 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
e926f2c8 3865 /* Haswell */
4a7c516b
WX		 3866 { PCI_DEVICE(0x8086, 0x0a0c),
3867 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
e926f2c8 3868 { PCI_DEVICE(0x8086, 0x0c0c),
2ea3c6a2 3869 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
d279fae8 3870 { PCI_DEVICE(0x8086, 0x0d0c),
2ea3c6a2 3871 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
99df18b3
PLB		 3872 /* 5 Series/3400 */
3873 { PCI_DEVICE(0x8086, 0x3b56),
2c1350fd 3874 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
f748abcc 3875 /* Poulsbo */
9477c58e 3876 { PCI_DEVICE(0x8086, 0x811b),
f748abcc
TI		 3877 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
3878 /* Oaktrail */
09904b95 3879 { PCI_DEVICE(0x8086, 0x080a),
f748abcc 3880 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
645e9035 3881 /* ICH */
8b0bd226 3882 { PCI_DEVICE(0x8086, 0x2668),
2ae66c26
PLB		 3883 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3884 AZX_DCAPS_BUFSIZE }, /* ICH6 */
8b0bd226 3885 { PCI_DEVICE(0x8086, 0x27d8),
2ae66c26
PLB		 3886 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3887 AZX_DCAPS_BUFSIZE }, /* ICH7 */
8b0bd226 3888 { PCI_DEVICE(0x8086, 0x269a),
2ae66c26
PLB		 3889 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3890 AZX_DCAPS_BUFSIZE }, /* ESB2 */
8b0bd226 3891 { PCI_DEVICE(0x8086, 0x284b),
2ae66c26
PLB		 3892 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3893 AZX_DCAPS_BUFSIZE }, /* ICH8 */
8b0bd226 3894 { PCI_DEVICE(0x8086, 0x293e),
2ae66c26
PLB		 3895 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3896 AZX_DCAPS_BUFSIZE }, /* ICH9 */
8b0bd226 3897 { PCI_DEVICE(0x8086, 0x293f),
2ae66c26
PLB		 3898 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3899 AZX_DCAPS_BUFSIZE }, /* ICH9 */
8b0bd226 3900 { PCI_DEVICE(0x8086, 0x3a3e),
2ae66c26
PLB		 3901 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3902 AZX_DCAPS_BUFSIZE }, /* ICH10 */
8b0bd226 3903 { PCI_DEVICE(0x8086, 0x3a6e),
2ae66c26
PLB		 3904 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
3905 AZX_DCAPS_BUFSIZE }, /* ICH10 */
b6864535
TI		 3906 /* Generic Intel */
3907 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
3908 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3909 .class_mask = 0xffffff,
2ae66c26 3910 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_BUFSIZE },
9477c58e
TI		 3911 /* ATI SB 450/600/700/800/900 */
3912 { PCI_DEVICE(0x1002, 0x437b),
3913 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
3914 { PCI_DEVICE(0x1002, 0x4383),
3915 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
3916 /* AMD Hudson */
3917 { PCI_DEVICE(0x1022, 0x780d),
3918 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
87218e9c 3919 /* ATI HDMI */
9477c58e
TI		 3920 { PCI_DEVICE(0x1002, 0x793b),
3921 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3922 { PCI_DEVICE(0x1002, 0x7919),
3923 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3924 { PCI_DEVICE(0x1002, 0x960f),
3925 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3926 { PCI_DEVICE(0x1002, 0x970f),
3927 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3928 { PCI_DEVICE(0x1002, 0xaa00),
3929 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3930 { PCI_DEVICE(0x1002, 0xaa08),
3931 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3932 { PCI_DEVICE(0x1002, 0xaa10),
3933 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3934 { PCI_DEVICE(0x1002, 0xaa18),
3935 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3936 { PCI_DEVICE(0x1002, 0xaa20),
3937 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3938 { PCI_DEVICE(0x1002, 0xaa28),
3939 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3940 { PCI_DEVICE(0x1002, 0xaa30),
3941 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3942 { PCI_DEVICE(0x1002, 0xaa38),
3943 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3944 { PCI_DEVICE(0x1002, 0xaa40),
3945 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
3946 { PCI_DEVICE(0x1002, 0xaa48),
3947 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
1815b34a
AX		 3948 { PCI_DEVICE(0x1002, 0x9902),
3949 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3950 { PCI_DEVICE(0x1002, 0xaaa0),
3951 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3952 { PCI_DEVICE(0x1002, 0xaaa8),
3953 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
3954 { PCI_DEVICE(0x1002, 0xaab0),
3955 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI },
87218e9c 3956 /* VIA VT8251/VT8237A */
9477c58e
TI		 3957 { PCI_DEVICE(0x1106, 0x3288),
3958 .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA },
754fdff8
AL		 3959 /* VIA GFX VT7122/VX900 */
3960 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
3961 /* VIA GFX VT6122/VX11 */
3962 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
87218e9c
TI		 3963 /* SIS966 */
3964 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
3965 /* ULI M5461 */
3966 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
3967 /* NVIDIA MCP */
0c2fd1bf
TI		 3968 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
3969 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3970 .class_mask = 0xffffff,
9477c58e 3971 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
f269002e 3972 /* Teradici */
9477c58e
TI		 3973 { PCI_DEVICE(0x6549, 0x1200),
3974 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
f0b3da98
LD		 3975 { PCI_DEVICE(0x6549, 0x2200),
3976 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
4e01f54b 3977 /* Creative X-Fi (CA0110-IBG) */
f2a8ecaf
TI		 3978 /* CTHDA chips */
3979 { PCI_DEVICE(0x1102, 0x0010),
3980 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
3981 { PCI_DEVICE(0x1102, 0x0012),
3982 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
313f6e2d
TI		 3983#if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
3984 /* the following entry conflicts with snd-ctxfi driver,
3985 * as ctxfi driver mutates from HD-audio to native mode with
3986 * a special command sequence.
3987 */
4e01f54b
TI		 3988 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
3989 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
3990 .class_mask = 0xffffff,
9477c58e 3991 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
69f9ba9b 3992 AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
313f6e2d
TI		 3993#else
3994 /* this entry seems still valid -- i.e. without emu20kx chip */
9477c58e
TI		 3995 { PCI_DEVICE(0x1102, 0x0009),
3996 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
69f9ba9b 3997 AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
313f6e2d 3998#endif
e35d4b11
OS		 3999 /* Vortex86MX */
4000 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
0f0714c5
BB		 4001 /* VMware HDAudio */
4002 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
9176b672 4003 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
c4da29ca
YL		 4004 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
4005 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
4006 .class_mask = 0xffffff,
9477c58e 4007 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
9176b672
AB		 4008 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
4009 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
4010 .class_mask = 0xffffff,
9477c58e 4011 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
1da177e4
LT		 4012 { 0, }
4013};
4014MODULE_DEVICE_TABLE(pci, azx_ids);
4015
4016/* pci_driver definition */
e9f66d9b 4017static struct pci_driver azx_driver = {
3733e424 4018 .name = KBUILD_MODNAME,
1da177e4
LT		 4019 .id_table = azx_ids,
4020 .probe = azx_probe,
e23e7a14 4021 .remove = azx_remove,
68cb2b55
TI		 4022 .driver = {
4023 .pm = AZX_PM_OPS,
4024 },
1da177e4
LT		 4025};
4026
e9f66d9b 4027module_pci_driver(azx_driver);
Linux kernel - Deliverables
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