projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
MAINTAINERS: Add phy-miphy28lp.c and phy-miphy365x.c to ARCH/STI architecture
[deliverable/linux.git] / sound / pci / hda / hda_intel.c
1 /*
2 *
3 * hda_intel.c - Implementation of primary alsa driver code base
4 * for Intel HD Audio.
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
37 #include <linux/delay.h>
38 #include <linux/interrupt.h>
39 #include <linux/kernel.h>
40 #include <linux/module.h>
41 #include <linux/dma-mapping.h>
42 #include <linux/moduleparam.h>
43 #include <linux/init.h>
44 #include <linux/slab.h>
45 #include <linux/pci.h>
46 #include <linux/mutex.h>
47 #include <linux/io.h>
48 #include <linux/pm_runtime.h>
49 #include <linux/clocksource.h>
50 #include <linux/time.h>
51 #include <linux/completion.h>
52
53 #ifdef CONFIG_X86
54 /* for snoop control */
55 #include <asm/pgtable.h>
56 #include <asm/cacheflush.h>
57 #endif
58 #include <sound/core.h>
59 #include <sound/initval.h>
60 #include <linux/vgaarb.h>
61 #include <linux/vga_switcheroo.h>
62 #include <linux/firmware.h>
63 #include "hda_codec.h"
64 #include "hda_controller.h"
65 #include "hda_priv.h"
66 #include "hda_intel.h"
67
68 /* position fix mode */
69 enum {
70 POS_FIX_AUTO,
71 POS_FIX_LPIB,
72 POS_FIX_POSBUF,
73 POS_FIX_VIACOMBO,
74 POS_FIX_COMBO,
75 };
76
77 /* Defines for ATI HD Audio support in SB450 south bridge */
78 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
79 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
80
81 /* Defines for Nvidia HDA support */
82 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
83 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
84 #define NVIDIA_HDA_ISTRM_COH 0x4d
85 #define NVIDIA_HDA_OSTRM_COH 0x4c
86 #define NVIDIA_HDA_ENABLE_COHBIT 0x01
87
88 /* Defines for Intel SCH HDA snoop control */
89 #define INTEL_SCH_HDA_DEVC 0x78
90 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
91
92 /* Define IN stream 0 FIFO size offset in VIA controller */
93 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
94 /* Define VIA HD Audio Device ID*/
95 #define VIA_HDAC_DEVICE_ID 0x3288
96
97 /* max number of SDs */
98 /* ICH, ATI and VIA have 4 playback and 4 capture */
99 #define ICH6_NUM_CAPTURE 4
100 #define ICH6_NUM_PLAYBACK 4
101
102 /* ULI has 6 playback and 5 capture */
103 #define ULI_NUM_CAPTURE 5
104 #define ULI_NUM_PLAYBACK 6
105
106 /* ATI HDMI may have up to 8 playbacks and 0 capture */
107 #define ATIHDMI_NUM_CAPTURE 0
108 #define ATIHDMI_NUM_PLAYBACK 8
109
110 /* TERA has 4 playback and 3 capture */
111 #define TERA_NUM_CAPTURE 3
112 #define TERA_NUM_PLAYBACK 4
113
114
115 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
116 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
117 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
118 static char *model[SNDRV_CARDS];
119 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
120 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
121 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
122 static int probe_only[SNDRV_CARDS];
123 static int jackpoll_ms[SNDRV_CARDS];
124 static bool single_cmd;
125 static int enable_msi = -1;
126 #ifdef CONFIG_SND_HDA_PATCH_LOADER
127 static char *patch[SNDRV_CARDS];
128 #endif
129 #ifdef CONFIG_SND_HDA_INPUT_BEEP
130 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
131 CONFIG_SND_HDA_INPUT_BEEP_MODE};
132 #endif
133
134 module_param_array(index, int, NULL, 0444);
135 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
136 module_param_array(id, charp, NULL, 0444);
137 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
138 module_param_array(enable, bool, NULL, 0444);
139 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
140 module_param_array(model, charp, NULL, 0444);
141 MODULE_PARM_DESC(model, "Use the given board model.");
142 module_param_array(position_fix, int, NULL, 0444);
143 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
144 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
145 module_param_array(bdl_pos_adj, int, NULL, 0644);
146 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
147 module_param_array(probe_mask, int, NULL, 0444);
148 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
149 module_param_array(probe_only, int, NULL, 0444);
150 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
151 module_param_array(jackpoll_ms, int, NULL, 0444);
152 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
153 module_param(single_cmd, bool, 0444);
154 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
155 "(for debugging only).");
156 module_param(enable_msi, bint, 0444);
157 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
158 #ifdef CONFIG_SND_HDA_PATCH_LOADER
159 module_param_array(patch, charp, NULL, 0444);
160 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
161 #endif
162 #ifdef CONFIG_SND_HDA_INPUT_BEEP
163 module_param_array(beep_mode, bool, NULL, 0444);
164 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
165 "(0=off, 1=on) (default=1).");
166 #endif
167
168 #ifdef CONFIG_PM
169 static int param_set_xint(const char *val, const struct kernel_param *kp);
170 static struct kernel_param_ops param_ops_xint = {
171 .set = param_set_xint,
172 .get = param_get_int,
173 };
174 #define param_check_xint param_check_int
175
176 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
177 static int *power_save_addr = &power_save;
178 module_param(power_save, xint, 0644);
179 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
180 "(in second, 0 = disable).");
181
182 /* reset the HD-audio controller in power save mode.
183 * this may give more power-saving, but will take longer time to
184 * wake up.
185 */
186 static bool power_save_controller = 1;
187 module_param(power_save_controller, bool, 0644);
188 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
189 #else
190 static int *power_save_addr;
191 #endif /* CONFIG_PM */
192
193 static int align_buffer_size = -1;
194 module_param(align_buffer_size, bint, 0644);
195 MODULE_PARM_DESC(align_buffer_size,
196 "Force buffer and period sizes to be multiple of 128 bytes.");
197
198 #ifdef CONFIG_X86
199 static int hda_snoop = -1;
200 module_param_named(snoop, hda_snoop, bint, 0444);
201 MODULE_PARM_DESC(snoop, "Enable/disable snooping");
202 #else
203 #define hda_snoop true
204 #endif
205
206
207 MODULE_LICENSE("GPL");
208 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
209 "{Intel, ICH6M},"
210 "{Intel, ICH7},"
211 "{Intel, ESB2},"
212 "{Intel, ICH8},"
213 "{Intel, ICH9},"
214 "{Intel, ICH10},"
215 "{Intel, PCH},"
216 "{Intel, CPT},"
217 "{Intel, PPT},"
218 "{Intel, LPT},"
219 "{Intel, LPT_LP},"
220 "{Intel, WPT_LP},"
221 "{Intel, SPT},"
222 "{Intel, SPT_LP},"
223 "{Intel, HPT},"
224 "{Intel, PBG},"
225 "{Intel, SCH},"
226 "{ATI, SB450},"
227 "{ATI, SB600},"
228 "{ATI, RS600},"
229 "{ATI, RS690},"
230 "{ATI, RS780},"
231 "{ATI, R600},"
232 "{ATI, RV630},"
233 "{ATI, RV610},"
234 "{ATI, RV670},"
235 "{ATI, RV635},"
236 "{ATI, RV620},"
237 "{ATI, RV770},"
238 "{VIA, VT8251},"
239 "{VIA, VT8237A},"
240 "{SiS, SIS966},"
241 "{ULI, M5461}}");
242 MODULE_DESCRIPTION("Intel HDA driver");
243
244 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
245 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
246 #define SUPPORT_VGA_SWITCHEROO
247 #endif
248 #endif
249
250
251 /*
252 */
253
254 /* driver types */
255 enum {
256 AZX_DRIVER_ICH,
257 AZX_DRIVER_PCH,
258 AZX_DRIVER_SCH,
259 AZX_DRIVER_HDMI,
260 AZX_DRIVER_ATI,
261 AZX_DRIVER_ATIHDMI,
262 AZX_DRIVER_ATIHDMI_NS,
263 AZX_DRIVER_VIA,
264 AZX_DRIVER_SIS,
265 AZX_DRIVER_ULI,
266 AZX_DRIVER_NVIDIA,
267 AZX_DRIVER_TERA,
268 AZX_DRIVER_CTX,
269 AZX_DRIVER_CTHDA,
270 AZX_DRIVER_CMEDIA,
271 AZX_DRIVER_GENERIC,
272 AZX_NUM_DRIVERS, /* keep this as last entry */
273 };
274
275 #define azx_get_snoop_type(chip) \
276 (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
277 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
278
279 /* quirks for old Intel chipsets */
280 #define AZX_DCAPS_INTEL_ICH \
281 (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
282
283 /* quirks for Intel PCH */
284 #define AZX_DCAPS_INTEL_PCH_NOPM \
285 (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
286 AZX_DCAPS_REVERSE_ASSIGN | AZX_DCAPS_SNOOP_TYPE(SCH))
287
288 #define AZX_DCAPS_INTEL_PCH \
289 (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME)
290
291 #define AZX_DCAPS_INTEL_HASWELL \
292 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
293 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
294 AZX_DCAPS_SNOOP_TYPE(SCH))
295
296 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
297 #define AZX_DCAPS_INTEL_BROADWELL \
298 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
299 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
300 AZX_DCAPS_SNOOP_TYPE(SCH))
301
302 #define AZX_DCAPS_INTEL_SKYLAKE \
303 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG)
304
305 /* quirks for ATI SB / AMD Hudson */
306 #define AZX_DCAPS_PRESET_ATI_SB \
307 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
308 AZX_DCAPS_SNOOP_TYPE(ATI))
309
310 /* quirks for ATI/AMD HDMI */
311 #define AZX_DCAPS_PRESET_ATI_HDMI \
312 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
313 AZX_DCAPS_NO_MSI64)
314
315 /* quirks for ATI HDMI with snoop off */
316 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
317 (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
318
319 /* quirks for Nvidia */
320 #define AZX_DCAPS_PRESET_NVIDIA \
321 (AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI | /*AZX_DCAPS_ALIGN_BUFSIZE |*/ \
322 AZX_DCAPS_NO_64BIT | AZX_DCAPS_CORBRP_SELF_CLEAR |\
323 AZX_DCAPS_SNOOP_TYPE(NVIDIA))
324
325 #define AZX_DCAPS_PRESET_CTHDA \
326 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
327 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
328
329 /*
330 * VGA-switcher support
331 */
332 #ifdef SUPPORT_VGA_SWITCHEROO
333 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
334 #else
335 #define use_vga_switcheroo(chip) 0
336 #endif
337
338 static char *driver_short_names[] = {
339 [AZX_DRIVER_ICH] = "HDA Intel",
340 [AZX_DRIVER_PCH] = "HDA Intel PCH",
341 [AZX_DRIVER_SCH] = "HDA Intel MID",
342 [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
343 [AZX_DRIVER_ATI] = "HDA ATI SB",
344 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
345 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
346 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
347 [AZX_DRIVER_SIS] = "HDA SIS966",
348 [AZX_DRIVER_ULI] = "HDA ULI M5461",
349 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
350 [AZX_DRIVER_TERA] = "HDA Teradici",
351 [AZX_DRIVER_CTX] = "HDA Creative",
352 [AZX_DRIVER_CTHDA] = "HDA Creative",
353 [AZX_DRIVER_CMEDIA] = "HDA C-Media",
354 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
355 };
356
357 #ifdef CONFIG_X86
358 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
359 {
360 int pages;
361
362 if (azx_snoop(chip))
363 return;
364 if (!dmab || !dmab->area || !dmab->bytes)
365 return;
366
367 #ifdef CONFIG_SND_DMA_SGBUF
368 if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
369 struct snd_sg_buf *sgbuf = dmab->private_data;
370 if (chip->driver_type == AZX_DRIVER_CMEDIA)
371 return; /* deal with only CORB/RIRB buffers */
372 if (on)
373 set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
374 else
375 set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
376 return;
377 }
378 #endif
379
380 pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
381 if (on)
382 set_memory_wc((unsigned long)dmab->area, pages);
383 else
384 set_memory_wb((unsigned long)dmab->area, pages);
385 }
386
387 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
388 bool on)
389 {
390 __mark_pages_wc(chip, buf, on);
391 }
392 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
393 struct snd_pcm_substream *substream, bool on)
394 {
395 if (azx_dev->wc_marked != on) {
396 __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
397 azx_dev->wc_marked = on;
398 }
399 }
400 #else
401 /* NOP for other archs */
402 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
403 bool on)
404 {
405 }
406 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
407 struct snd_pcm_substream *substream, bool on)
408 {
409 }
410 #endif
411
412 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
413
414 /*
415 * initialize the PCI registers
416 */
417 /* update bits in a PCI register byte */
418 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
419 unsigned char mask, unsigned char val)
420 {
421 unsigned char data;
422
423 pci_read_config_byte(pci, reg, &data);
424 data &= ~mask;
425 data |= (val & mask);
426 pci_write_config_byte(pci, reg, data);
427 }
428
429 static void azx_init_pci(struct azx *chip)
430 {
431 int snoop_type = azx_get_snoop_type(chip);
432
433 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
434 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
435 * Ensuring these bits are 0 clears playback static on some HD Audio
436 * codecs.
437 * The PCI register TCSEL is defined in the Intel manuals.
438 */
439 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
440 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
441 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
442 }
443
444 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
445 * we need to enable snoop.
446 */
447 if (snoop_type == AZX_SNOOP_TYPE_ATI) {
448 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
449 azx_snoop(chip));
450 update_pci_byte(chip->pci,
451 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
452 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
453 }
454
455 /* For NVIDIA HDA, enable snoop */
456 if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
457 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
458 azx_snoop(chip));
459 update_pci_byte(chip->pci,
460 NVIDIA_HDA_TRANSREG_ADDR,
461 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
462 update_pci_byte(chip->pci,
463 NVIDIA_HDA_ISTRM_COH,
464 0x01, NVIDIA_HDA_ENABLE_COHBIT);
465 update_pci_byte(chip->pci,
466 NVIDIA_HDA_OSTRM_COH,
467 0x01, NVIDIA_HDA_ENABLE_COHBIT);
468 }
469
470 /* Enable SCH/PCH snoop if needed */
471 if (snoop_type == AZX_SNOOP_TYPE_SCH) {
472 unsigned short snoop;
473 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
474 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
475 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
476 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
477 if (!azx_snoop(chip))
478 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
479 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
480 pci_read_config_word(chip->pci,
481 INTEL_SCH_HDA_DEVC, &snoop);
482 }
483 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
484 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
485 "Disabled" : "Enabled");
486 }
487 }
488
489 /* calculate runtime delay from LPIB */
490 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
491 unsigned int pos)
492 {
493 struct snd_pcm_substream *substream = azx_dev->substream;
494 int stream = substream->stream;
495 unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
496 int delay;
497
498 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
499 delay = pos - lpib_pos;
500 else
501 delay = lpib_pos - pos;
502 if (delay < 0) {
503 if (delay >= azx_dev->delay_negative_threshold)
504 delay = 0;
505 else
506 delay += azx_dev->bufsize;
507 }
508
509 if (delay >= azx_dev->period_bytes) {
510 dev_info(chip->card->dev,
511 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
512 delay, azx_dev->period_bytes);
513 delay = 0;
514 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
515 chip->get_delay[stream] = NULL;
516 }
517
518 return bytes_to_frames(substream->runtime, delay);
519 }
520
521 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
522
523 /* called from IRQ */
524 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
525 {
526 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
527 int ok;
528
529 ok = azx_position_ok(chip, azx_dev);
530 if (ok == 1) {
531 azx_dev->irq_pending = 0;
532 return ok;
533 } else if (ok == 0 && chip->bus && chip->bus->workq) {
534 /* bogus IRQ, process it later */
535 azx_dev->irq_pending = 1;
536 queue_work(chip->bus->workq, &hda->irq_pending_work);
537 }
538 return 0;
539 }
540
541 /*
542 * Check whether the current DMA position is acceptable for updating
543 * periods. Returns non-zero if it's OK.
544 *
545 * Many HD-audio controllers appear pretty inaccurate about
546 * the update-IRQ timing. The IRQ is issued before actually the
547 * data is processed. So, we need to process it afterwords in a
548 * workqueue.
549 */
550 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
551 {
552 struct snd_pcm_substream *substream = azx_dev->substream;
553 int stream = substream->stream;
554 u32 wallclk;
555 unsigned int pos;
556
557 wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;
558 if (wallclk < (azx_dev->period_wallclk * 2) / 3)
559 return -1; /* bogus (too early) interrupt */
560
561 if (chip->get_position[stream])
562 pos = chip->get_position[stream](chip, azx_dev);
563 else { /* use the position buffer as default */
564 pos = azx_get_pos_posbuf(chip, azx_dev);
565 if (!pos || pos == (u32)-1) {
566 dev_info(chip->card->dev,
567 "Invalid position buffer, using LPIB read method instead.\n");
568 chip->get_position[stream] = azx_get_pos_lpib;
569 pos = azx_get_pos_lpib(chip, azx_dev);
570 chip->get_delay[stream] = NULL;
571 } else {
572 chip->get_position[stream] = azx_get_pos_posbuf;
573 if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
574 chip->get_delay[stream] = azx_get_delay_from_lpib;
575 }
576 }
577
578 if (pos >= azx_dev->bufsize)
579 pos = 0;
580
581 if (WARN_ONCE(!azx_dev->period_bytes,
582 "hda-intel: zero azx_dev->period_bytes"))
583 return -1; /* this shouldn't happen! */
584 if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&
585 pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
586 /* NG - it's below the first next period boundary */
587 return chip->bdl_pos_adj[chip->dev_index] ? 0 : -1;
588 azx_dev->start_wallclk += wallclk;
589 return 1; /* OK, it's fine */
590 }
591
592 /*
593 * The work for pending PCM period updates.
594 */
595 static void azx_irq_pending_work(struct work_struct *work)
596 {
597 struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
598 struct azx *chip = &hda->chip;
599 int i, pending, ok;
600
601 if (!hda->irq_pending_warned) {
602 dev_info(chip->card->dev,
603 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
604 chip->card->number);
605 hda->irq_pending_warned = 1;
606 }
607
608 for (;;) {
609 pending = 0;
610 spin_lock_irq(&chip->reg_lock);
611 for (i = 0; i < chip->num_streams; i++) {
612 struct azx_dev *azx_dev = &chip->azx_dev[i];
613 if (!azx_dev->irq_pending ||
614 !azx_dev->substream ||
615 !azx_dev->running)
616 continue;
617 ok = azx_position_ok(chip, azx_dev);
618 if (ok > 0) {
619 azx_dev->irq_pending = 0;
620 spin_unlock(&chip->reg_lock);
621 snd_pcm_period_elapsed(azx_dev->substream);
622 spin_lock(&chip->reg_lock);
623 } else if (ok < 0) {
624 pending = 0; /* too early */
625 } else
626 pending++;
627 }
628 spin_unlock_irq(&chip->reg_lock);
629 if (!pending)
630 return;
631 msleep(1);
632 }
633 }
634
635 /* clear irq_pending flags and assure no on-going workq */
636 static void azx_clear_irq_pending(struct azx *chip)
637 {
638 int i;
639
640 spin_lock_irq(&chip->reg_lock);
641 for (i = 0; i < chip->num_streams; i++)
642 chip->azx_dev[i].irq_pending = 0;
643 spin_unlock_irq(&chip->reg_lock);
644 }
645
646 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
647 {
648 if (request_irq(chip->pci->irq, azx_interrupt,
649 chip->msi ? 0 : IRQF_SHARED,
650 KBUILD_MODNAME, chip)) {
651 dev_err(chip->card->dev,
652 "unable to grab IRQ %d, disabling device\n",
653 chip->pci->irq);
654 if (do_disconnect)
655 snd_card_disconnect(chip->card);
656 return -1;
657 }
658 chip->irq = chip->pci->irq;
659 pci_intx(chip->pci, !chip->msi);
660 return 0;
661 }
662
663 /* get the current DMA position with correction on VIA chips */
664 static unsigned int azx_via_get_position(struct azx *chip,
665 struct azx_dev *azx_dev)
666 {
667 unsigned int link_pos, mini_pos, bound_pos;
668 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
669 unsigned int fifo_size;
670
671 link_pos = azx_sd_readl(chip, azx_dev, SD_LPIB);
672 if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
673 /* Playback, no problem using link position */
674 return link_pos;
675 }
676
677 /* Capture */
678 /* For new chipset,
679 * use mod to get the DMA position just like old chipset
680 */
681 mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
682 mod_dma_pos %= azx_dev->period_bytes;
683
684 /* azx_dev->fifo_size can't get FIFO size of in stream.
685 * Get from base address + offset.
686 */
687 fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
688
689 if (azx_dev->insufficient) {
690 /* Link position never gather than FIFO size */
691 if (link_pos <= fifo_size)
692 return 0;
693
694 azx_dev->insufficient = 0;
695 }
696
697 if (link_pos <= fifo_size)
698 mini_pos = azx_dev->bufsize + link_pos - fifo_size;
699 else
700 mini_pos = link_pos - fifo_size;
701
702 /* Find nearest previous boudary */
703 mod_mini_pos = mini_pos % azx_dev->period_bytes;
704 mod_link_pos = link_pos % azx_dev->period_bytes;
705 if (mod_link_pos >= fifo_size)
706 bound_pos = link_pos - mod_link_pos;
707 else if (mod_dma_pos >= mod_mini_pos)
708 bound_pos = mini_pos - mod_mini_pos;
709 else {
710 bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
711 if (bound_pos >= azx_dev->bufsize)
712 bound_pos = 0;
713 }
714
715 /* Calculate real DMA position we want */
716 return bound_pos + mod_dma_pos;
717 }
718
719 #ifdef CONFIG_PM
720 static DEFINE_MUTEX(card_list_lock);
721 static LIST_HEAD(card_list);
722
723 static void azx_add_card_list(struct azx *chip)
724 {
725 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
726 mutex_lock(&card_list_lock);
727 list_add(&hda->list, &card_list);
728 mutex_unlock(&card_list_lock);
729 }
730
731 static void azx_del_card_list(struct azx *chip)
732 {
733 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
734 mutex_lock(&card_list_lock);
735 list_del_init(&hda->list);
736 mutex_unlock(&card_list_lock);
737 }
738
739 /* trigger power-save check at writing parameter */
740 static int param_set_xint(const char *val, const struct kernel_param *kp)
741 {
742 struct hda_intel *hda;
743 struct azx *chip;
744 struct hda_codec *c;
745 int prev = power_save;
746 int ret = param_set_int(val, kp);
747
748 if (ret || prev == power_save)
749 return ret;
750
751 mutex_lock(&card_list_lock);
752 list_for_each_entry(hda, &card_list, list) {
753 chip = &hda->chip;
754 if (!chip->bus || chip->disabled)
755 continue;
756 list_for_each_entry(c, &chip->bus->codec_list, list)
757 snd_hda_power_sync(c);
758 }
759 mutex_unlock(&card_list_lock);
760 return 0;
761 }
762 #else
763 #define azx_add_card_list(chip) /* NOP */
764 #define azx_del_card_list(chip) /* NOP */
765 #endif /* CONFIG_PM */
766
767 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
768 /*
769 * power management
770 */
771 static int azx_suspend(struct device *dev)
772 {
773 struct snd_card *card = dev_get_drvdata(dev);
774 struct azx *chip;
775 struct hda_intel *hda;
776 struct azx_pcm *p;
777
778 if (!card)
779 return 0;
780
781 chip = card->private_data;
782 hda = container_of(chip, struct hda_intel, chip);
783 if (chip->disabled || hda->init_failed)
784 return 0;
785
786 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
787 azx_clear_irq_pending(chip);
788 list_for_each_entry(p, &chip->pcm_list, list)
789 snd_pcm_suspend_all(p->pcm);
790 if (chip->initialized)
791 snd_hda_suspend(chip->bus);
792 azx_stop_chip(chip);
793 azx_enter_link_reset(chip);
794 if (chip->irq >= 0) {
795 free_irq(chip->irq, chip);
796 chip->irq = -1;
797 }
798
799 if (chip->msi)
800 pci_disable_msi(chip->pci);
801 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
802 hda_display_power(hda, false);
803 return 0;
804 }
805
806 static int azx_resume(struct device *dev)
807 {
808 struct pci_dev *pci = to_pci_dev(dev);
809 struct snd_card *card = dev_get_drvdata(dev);
810 struct azx *chip;
811 struct hda_intel *hda;
812
813 if (!card)
814 return 0;
815
816 chip = card->private_data;
817 hda = container_of(chip, struct hda_intel, chip);
818 if (chip->disabled || hda->init_failed)
819 return 0;
820
821 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
822 hda_display_power(hda, true);
823 haswell_set_bclk(hda);
824 }
825 if (chip->msi)
826 if (pci_enable_msi(pci) < 0)
827 chip->msi = 0;
828 if (azx_acquire_irq(chip, 1) < 0)
829 return -EIO;
830 azx_init_pci(chip);
831
832 azx_init_chip(chip, true);
833
834 snd_hda_resume(chip->bus);
835 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
836 return 0;
837 }
838 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
839
840 #ifdef CONFIG_PM
841 static int azx_runtime_suspend(struct device *dev)
842 {
843 struct snd_card *card = dev_get_drvdata(dev);
844 struct azx *chip;
845 struct hda_intel *hda;
846
847 if (!card)
848 return 0;
849
850 chip = card->private_data;
851 hda = container_of(chip, struct hda_intel, chip);
852 if (chip->disabled || hda->init_failed)
853 return 0;
854
855 if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
856 return 0;
857
858 /* enable controller wake up event */
859 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
860 STATESTS_INT_MASK);
861
862 azx_stop_chip(chip);
863 azx_enter_link_reset(chip);
864 azx_clear_irq_pending(chip);
865 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
866 hda_display_power(hda, false);
867
868 return 0;
869 }
870
871 static int azx_runtime_resume(struct device *dev)
872 {
873 struct snd_card *card = dev_get_drvdata(dev);
874 struct azx *chip;
875 struct hda_intel *hda;
876 struct hda_bus *bus;
877 struct hda_codec *codec;
878 int status;
879
880 if (!card)
881 return 0;
882
883 chip = card->private_data;
884 hda = container_of(chip, struct hda_intel, chip);
885 if (chip->disabled || hda->init_failed)
886 return 0;
887
888 if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
889 return 0;
890
891 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
892 hda_display_power(hda, true);
893 haswell_set_bclk(hda);
894 }
895
896 /* Read STATESTS before controller reset */
897 status = azx_readw(chip, STATESTS);
898
899 azx_init_pci(chip);
900 azx_init_chip(chip, true);
901
902 bus = chip->bus;
903 if (status && bus) {
904 list_for_each_entry(codec, &bus->codec_list, list)
905 if (status & (1 << codec->addr))
906 queue_delayed_work(codec->bus->workq,
907 &codec->jackpoll_work, codec->jackpoll_interval);
908 }
909
910 /* disable controller Wake Up event*/
911 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
912 ~STATESTS_INT_MASK);
913
914 return 0;
915 }
916
917 static int azx_runtime_idle(struct device *dev)
918 {
919 struct snd_card *card = dev_get_drvdata(dev);
920 struct azx *chip;
921 struct hda_intel *hda;
922
923 if (!card)
924 return 0;
925
926 chip = card->private_data;
927 hda = container_of(chip, struct hda_intel, chip);
928 if (chip->disabled || hda->init_failed)
929 return 0;
930
931 if (!power_save_controller ||
932 !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
933 return -EBUSY;
934
935 return 0;
936 }
937
938 static const struct dev_pm_ops azx_pm = {
939 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
940 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
941 };
942
943 #define AZX_PM_OPS &azx_pm
944 #else
945 #define AZX_PM_OPS NULL
946 #endif /* CONFIG_PM */
947
948
949 static int azx_probe_continue(struct azx *chip);
950
951 #ifdef SUPPORT_VGA_SWITCHEROO
952 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
953
954 static void azx_vs_set_state(struct pci_dev *pci,
955 enum vga_switcheroo_state state)
956 {
957 struct snd_card *card = pci_get_drvdata(pci);
958 struct azx *chip = card->private_data;
959 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
960 bool disabled;
961
962 wait_for_completion(&hda->probe_wait);
963 if (hda->init_failed)
964 return;
965
966 disabled = (state == VGA_SWITCHEROO_OFF);
967 if (chip->disabled == disabled)
968 return;
969
970 if (!chip->bus) {
971 chip->disabled = disabled;
972 if (!disabled) {
973 dev_info(chip->card->dev,
974 "Start delayed initialization\n");
975 if (azx_probe_continue(chip) < 0) {
976 dev_err(chip->card->dev, "initialization error\n");
977 hda->init_failed = true;
978 }
979 }
980 } else {
981 dev_info(chip->card->dev, "%s via VGA-switcheroo\n",
982 disabled ? "Disabling" : "Enabling");
983 if (disabled) {
984 pm_runtime_put_sync_suspend(card->dev);
985 azx_suspend(card->dev);
986 /* when we get suspended by vga switcheroo we end up in D3cold,
987 * however we have no ACPI handle, so pci/acpi can't put us there,
988 * put ourselves there */
989 pci->current_state = PCI_D3cold;
990 chip->disabled = true;
991 if (snd_hda_lock_devices(chip->bus))
992 dev_warn(chip->card->dev,
993 "Cannot lock devices!\n");
994 } else {
995 snd_hda_unlock_devices(chip->bus);
996 pm_runtime_get_noresume(card->dev);
997 chip->disabled = false;
998 azx_resume(card->dev);
999 }
1000 }
1001 }
1002
1003 static bool azx_vs_can_switch(struct pci_dev *pci)
1004 {
1005 struct snd_card *card = pci_get_drvdata(pci);
1006 struct azx *chip = card->private_data;
1007 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1008
1009 wait_for_completion(&hda->probe_wait);
1010 if (hda->init_failed)
1011 return false;
1012 if (chip->disabled || !chip->bus)
1013 return true;
1014 if (snd_hda_lock_devices(chip->bus))
1015 return false;
1016 snd_hda_unlock_devices(chip->bus);
1017 return true;
1018 }
1019
1020 static void init_vga_switcheroo(struct azx *chip)
1021 {
1022 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1023 struct pci_dev *p = get_bound_vga(chip->pci);
1024 if (p) {
1025 dev_info(chip->card->dev,
1026 "Handle VGA-switcheroo audio client\n");
1027 hda->use_vga_switcheroo = 1;
1028 pci_dev_put(p);
1029 }
1030 }
1031
1032 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1033 .set_gpu_state = azx_vs_set_state,
1034 .can_switch = azx_vs_can_switch,
1035 };
1036
1037 static int register_vga_switcheroo(struct azx *chip)
1038 {
1039 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1040 int err;
1041
1042 if (!hda->use_vga_switcheroo)
1043 return 0;
1044 /* FIXME: currently only handling DIS controller
1045 * is there any machine with two switchable HDMI audio controllers?
1046 */
1047 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
1048 VGA_SWITCHEROO_DIS,
1049 chip->bus != NULL);
1050 if (err < 0)
1051 return err;
1052 hda->vga_switcheroo_registered = 1;
1053
1054 /* register as an optimus hdmi audio power domain */
1055 vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
1056 &hda->hdmi_pm_domain);
1057 return 0;
1058 }
1059 #else
1060 #define init_vga_switcheroo(chip) /* NOP */
1061 #define register_vga_switcheroo(chip) 0
1062 #define check_hdmi_disabled(pci) false
1063 #endif /* SUPPORT_VGA_SWITCHER */
1064
1065 /*
1066 * destructor
1067 */
1068 static int azx_free(struct azx *chip)
1069 {
1070 struct pci_dev *pci = chip->pci;
1071 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1072 int i;
1073
1074 if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME)
1075 && chip->running)
1076 pm_runtime_get_noresume(&pci->dev);
1077
1078 azx_del_card_list(chip);
1079
1080 azx_notifier_unregister(chip);
1081
1082 hda->init_failed = 1; /* to be sure */
1083 complete_all(&hda->probe_wait);
1084
1085 if (use_vga_switcheroo(hda)) {
1086 if (chip->disabled && chip->bus)
1087 snd_hda_unlock_devices(chip->bus);
1088 if (hda->vga_switcheroo_registered)
1089 vga_switcheroo_unregister_client(chip->pci);
1090 }
1091
1092 if (chip->initialized) {
1093 azx_clear_irq_pending(chip);
1094 for (i = 0; i < chip->num_streams; i++)
1095 azx_stream_stop(chip, &chip->azx_dev[i]);
1096 azx_stop_chip(chip);
1097 }
1098
1099 if (chip->irq >= 0)
1100 free_irq(chip->irq, (void*)chip);
1101 if (chip->msi)
1102 pci_disable_msi(chip->pci);
1103 iounmap(chip->remap_addr);
1104
1105 azx_free_stream_pages(chip);
1106 if (chip->region_requested)
1107 pci_release_regions(chip->pci);
1108 pci_disable_device(chip->pci);
1109 kfree(chip->azx_dev);
1110 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1111 release_firmware(chip->fw);
1112 #endif
1113 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1114 hda_display_power(hda, false);
1115 hda_i915_exit(hda);
1116 }
1117 kfree(hda);
1118
1119 return 0;
1120 }
1121
1122 static int azx_dev_free(struct snd_device *device)
1123 {
1124 return azx_free(device->device_data);
1125 }
1126
1127 #ifdef SUPPORT_VGA_SWITCHEROO
1128 /*
1129 * Check of disabled HDMI controller by vga-switcheroo
1130 */
1131 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1132 {
1133 struct pci_dev *p;
1134
1135 /* check only discrete GPU */
1136 switch (pci->vendor) {
1137 case PCI_VENDOR_ID_ATI:
1138 case PCI_VENDOR_ID_AMD:
1139 case PCI_VENDOR_ID_NVIDIA:
1140 if (pci->devfn == 1) {
1141 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1142 pci->bus->number, 0);
1143 if (p) {
1144 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
1145 return p;
1146 pci_dev_put(p);
1147 }
1148 }
1149 break;
1150 }
1151 return NULL;
1152 }
1153
1154 static bool check_hdmi_disabled(struct pci_dev *pci)
1155 {
1156 bool vga_inactive = false;
1157 struct pci_dev *p = get_bound_vga(pci);
1158
1159 if (p) {
1160 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1161 vga_inactive = true;
1162 pci_dev_put(p);
1163 }
1164 return vga_inactive;
1165 }
1166 #endif /* SUPPORT_VGA_SWITCHEROO */
1167
1168 /*
1169 * white/black-listing for position_fix
1170 */
1171 static struct snd_pci_quirk position_fix_list[] = {
1172 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1173 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1174 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1175 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1176 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1177 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1178 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1179 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1180 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1181 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1182 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1183 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1184 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1185 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1186 {}
1187 };
1188
1189 static int check_position_fix(struct azx *chip, int fix)
1190 {
1191 const struct snd_pci_quirk *q;
1192
1193 switch (fix) {
1194 case POS_FIX_AUTO:
1195 case POS_FIX_LPIB:
1196 case POS_FIX_POSBUF:
1197 case POS_FIX_VIACOMBO:
1198 case POS_FIX_COMBO:
1199 return fix;
1200 }
1201
1202 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1203 if (q) {
1204 dev_info(chip->card->dev,
1205 "position_fix set to %d for device %04x:%04x\n",
1206 q->value, q->subvendor, q->subdevice);
1207 return q->value;
1208 }
1209
1210 /* Check VIA/ATI HD Audio Controller exist */
1211 if (chip->driver_caps & AZX_DCAPS_POSFIX_VIA) {
1212 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1213 return POS_FIX_VIACOMBO;
1214 }
1215 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1216 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1217 return POS_FIX_LPIB;
1218 }
1219 return POS_FIX_AUTO;
1220 }
1221
1222 static void assign_position_fix(struct azx *chip, int fix)
1223 {
1224 static azx_get_pos_callback_t callbacks[] = {
1225 [POS_FIX_AUTO] = NULL,
1226 [POS_FIX_LPIB] = azx_get_pos_lpib,
1227 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1228 [POS_FIX_VIACOMBO] = azx_via_get_position,
1229 [POS_FIX_COMBO] = azx_get_pos_lpib,
1230 };
1231
1232 chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1233
1234 /* combo mode uses LPIB only for playback */
1235 if (fix == POS_FIX_COMBO)
1236 chip->get_position[1] = NULL;
1237
1238 if (fix == POS_FIX_POSBUF &&
1239 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1240 chip->get_delay[0] = chip->get_delay[1] =
1241 azx_get_delay_from_lpib;
1242 }
1243
1244 }
1245
1246 /*
1247 * black-lists for probe_mask
1248 */
1249 static struct snd_pci_quirk probe_mask_list[] = {
1250 /* Thinkpad often breaks the controller communication when accessing
1251 * to the non-working (or non-existing) modem codec slot.
1252 */
1253 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1254 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1255 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1256 /* broken BIOS */
1257 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1258 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1259 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1260 /* forced codec slots */
1261 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1262 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1263 /* WinFast VP200 H (Teradici) user reported broken communication */
1264 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1265 {}
1266 };
1267
1268 #define AZX_FORCE_CODEC_MASK 0x100
1269
1270 static void check_probe_mask(struct azx *chip, int dev)
1271 {
1272 const struct snd_pci_quirk *q;
1273
1274 chip->codec_probe_mask = probe_mask[dev];
1275 if (chip->codec_probe_mask == -1) {
1276 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1277 if (q) {
1278 dev_info(chip->card->dev,
1279 "probe_mask set to 0x%x for device %04x:%04x\n",
1280 q->value, q->subvendor, q->subdevice);
1281 chip->codec_probe_mask = q->value;
1282 }
1283 }
1284
1285 /* check forced option */
1286 if (chip->codec_probe_mask != -1 &&
1287 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1288 chip->codec_mask = chip->codec_probe_mask & 0xff;
1289 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1290 chip->codec_mask);
1291 }
1292 }
1293
1294 /*
1295 * white/black-list for enable_msi
1296 */
1297 static struct snd_pci_quirk msi_black_list[] = {
1298 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1299 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1300 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1301 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1302 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1303 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1304 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1305 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1306 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1307 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1308 {}
1309 };
1310
1311 static void check_msi(struct azx *chip)
1312 {
1313 const struct snd_pci_quirk *q;
1314
1315 if (enable_msi >= 0) {
1316 chip->msi = !!enable_msi;
1317 return;
1318 }
1319 chip->msi = 1; /* enable MSI as default */
1320 q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
1321 if (q) {
1322 dev_info(chip->card->dev,
1323 "msi for device %04x:%04x set to %d\n",
1324 q->subvendor, q->subdevice, q->value);
1325 chip->msi = q->value;
1326 return;
1327 }
1328
1329 /* NVidia chipsets seem to cause troubles with MSI */
1330 if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1331 dev_info(chip->card->dev, "Disabling MSI\n");
1332 chip->msi = 0;
1333 }
1334 }
1335
1336 /* check the snoop mode availability */
1337 static void azx_check_snoop_available(struct azx *chip)
1338 {
1339 int snoop = hda_snoop;
1340
1341 if (snoop >= 0) {
1342 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1343 snoop ? "snoop" : "non-snoop");
1344 chip->snoop = snoop;
1345 return;
1346 }
1347
1348 snoop = true;
1349 if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1350 chip->driver_type == AZX_DRIVER_VIA) {
1351 /* force to non-snoop mode for a new VIA controller
1352 * when BIOS is set
1353 */
1354 u8 val;
1355 pci_read_config_byte(chip->pci, 0x42, &val);
1356 if (!(val & 0x80) && chip->pci->revision == 0x30)
1357 snoop = false;
1358 }
1359
1360 if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1361 snoop = false;
1362
1363 chip->snoop = snoop;
1364 if (!snoop)
1365 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1366 }
1367
1368 static void azx_probe_work(struct work_struct *work)
1369 {
1370 struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1371 azx_probe_continue(&hda->chip);
1372 }
1373
1374 /*
1375 * constructor
1376 */
1377 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1378 int dev, unsigned int driver_caps,
1379 const struct hda_controller_ops *hda_ops,
1380 struct azx **rchip)
1381 {
1382 static struct snd_device_ops ops = {
1383 .dev_free = azx_dev_free,
1384 };
1385 struct hda_intel *hda;
1386 struct azx *chip;
1387 int err;
1388
1389 *rchip = NULL;
1390
1391 err = pci_enable_device(pci);
1392 if (err < 0)
1393 return err;
1394
1395 hda = kzalloc(sizeof(*hda), GFP_KERNEL);
1396 if (!hda) {
1397 dev_err(card->dev, "Cannot allocate hda\n");
1398 pci_disable_device(pci);
1399 return -ENOMEM;
1400 }
1401
1402 chip = &hda->chip;
1403 spin_lock_init(&chip->reg_lock);
1404 mutex_init(&chip->open_mutex);
1405 chip->card = card;
1406 chip->pci = pci;
1407 chip->ops = hda_ops;
1408 chip->irq = -1;
1409 chip->driver_caps = driver_caps;
1410 chip->driver_type = driver_caps & 0xff;
1411 check_msi(chip);
1412 chip->dev_index = dev;
1413 chip->jackpoll_ms = jackpoll_ms;
1414 INIT_LIST_HEAD(&chip->pcm_list);
1415 INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1416 INIT_LIST_HEAD(&hda->list);
1417 init_vga_switcheroo(chip);
1418 init_completion(&hda->probe_wait);
1419
1420 assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1421
1422 check_probe_mask(chip, dev);
1423
1424 chip->single_cmd = single_cmd;
1425 azx_check_snoop_available(chip);
1426
1427 if (bdl_pos_adj[dev] < 0) {
1428 switch (chip->driver_type) {
1429 case AZX_DRIVER_ICH:
1430 case AZX_DRIVER_PCH:
1431 bdl_pos_adj[dev] = 1;
1432 break;
1433 default:
1434 bdl_pos_adj[dev] = 32;
1435 break;
1436 }
1437 }
1438 chip->bdl_pos_adj = bdl_pos_adj;
1439
1440 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1441 if (err < 0) {
1442 dev_err(card->dev, "Error creating device [card]!\n");
1443 azx_free(chip);
1444 return err;
1445 }
1446
1447 /* continue probing in work context as may trigger request module */
1448 INIT_WORK(&hda->probe_work, azx_probe_work);
1449
1450 *rchip = chip;
1451
1452 return 0;
1453 }
1454
1455 static int azx_first_init(struct azx *chip)
1456 {
1457 int dev = chip->dev_index;
1458 struct pci_dev *pci = chip->pci;
1459 struct snd_card *card = chip->card;
1460 int err;
1461 unsigned short gcap;
1462 unsigned int dma_bits = 64;
1463
1464 #if BITS_PER_LONG != 64
1465 /* Fix up base address on ULI M5461 */
1466 if (chip->driver_type == AZX_DRIVER_ULI) {
1467 u16 tmp3;
1468 pci_read_config_word(pci, 0x40, &tmp3);
1469 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1470 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1471 }
1472 #endif
1473
1474 err = pci_request_regions(pci, "ICH HD audio");
1475 if (err < 0)
1476 return err;
1477 chip->region_requested = 1;
1478
1479 chip->addr = pci_resource_start(pci, 0);
1480 chip->remap_addr = pci_ioremap_bar(pci, 0);
1481 if (chip->remap_addr == NULL) {
1482 dev_err(card->dev, "ioremap error\n");
1483 return -ENXIO;
1484 }
1485
1486 if (chip->msi) {
1487 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1488 dev_dbg(card->dev, "Disabling 64bit MSI\n");
1489 pci->no_64bit_msi = true;
1490 }
1491 if (pci_enable_msi(pci) < 0)
1492 chip->msi = 0;
1493 }
1494
1495 if (azx_acquire_irq(chip, 0) < 0)
1496 return -EBUSY;
1497
1498 pci_set_master(pci);
1499 synchronize_irq(chip->irq);
1500
1501 gcap = azx_readw(chip, GCAP);
1502 dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1503
1504 /* AMD devices support 40 or 48bit DMA, take the safe one */
1505 if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1506 dma_bits = 40;
1507
1508 /* disable SB600 64bit support for safety */
1509 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1510 struct pci_dev *p_smbus;
1511 dma_bits = 40;
1512 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1513 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1514 NULL);
1515 if (p_smbus) {
1516 if (p_smbus->revision < 0x30)
1517 gcap &= ~AZX_GCAP_64OK;
1518 pci_dev_put(p_smbus);
1519 }
1520 }
1521
1522 /* disable 64bit DMA address on some devices */
1523 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1524 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1525 gcap &= ~AZX_GCAP_64OK;
1526 }
1527
1528 /* disable buffer size rounding to 128-byte multiples if supported */
1529 if (align_buffer_size >= 0)
1530 chip->align_buffer_size = !!align_buffer_size;
1531 else {
1532 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1533 chip->align_buffer_size = 0;
1534 else
1535 chip->align_buffer_size = 1;
1536 }
1537
1538 /* allow 64bit DMA address if supported by H/W */
1539 if (!(gcap & AZX_GCAP_64OK))
1540 dma_bits = 32;
1541 if (!pci_set_dma_mask(pci, DMA_BIT_MASK(dma_bits))) {
1542 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(dma_bits));
1543 } else {
1544 pci_set_dma_mask(pci, DMA_BIT_MASK(32));
1545 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
1546 }
1547
1548 /* read number of streams from GCAP register instead of using
1549 * hardcoded value
1550 */
1551 chip->capture_streams = (gcap >> 8) & 0x0f;
1552 chip->playback_streams = (gcap >> 12) & 0x0f;
1553 if (!chip->playback_streams && !chip->capture_streams) {
1554 /* gcap didn't give any info, switching to old method */
1555
1556 switch (chip->driver_type) {
1557 case AZX_DRIVER_ULI:
1558 chip->playback_streams = ULI_NUM_PLAYBACK;
1559 chip->capture_streams = ULI_NUM_CAPTURE;
1560 break;
1561 case AZX_DRIVER_ATIHDMI:
1562 case AZX_DRIVER_ATIHDMI_NS:
1563 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1564 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1565 break;
1566 case AZX_DRIVER_GENERIC:
1567 default:
1568 chip->playback_streams = ICH6_NUM_PLAYBACK;
1569 chip->capture_streams = ICH6_NUM_CAPTURE;
1570 break;
1571 }
1572 }
1573 chip->capture_index_offset = 0;
1574 chip->playback_index_offset = chip->capture_streams;
1575 chip->num_streams = chip->playback_streams + chip->capture_streams;
1576 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
1577 GFP_KERNEL);
1578 if (!chip->azx_dev) {
1579 dev_err(card->dev, "cannot malloc azx_dev\n");
1580 return -ENOMEM;
1581 }
1582
1583 err = azx_alloc_stream_pages(chip);
1584 if (err < 0)
1585 return err;
1586
1587 /* initialize streams */
1588 azx_init_stream(chip);
1589
1590 /* initialize chip */
1591 azx_init_pci(chip);
1592
1593 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1594 struct hda_intel *hda;
1595
1596 hda = container_of(chip, struct hda_intel, chip);
1597 haswell_set_bclk(hda);
1598 }
1599
1600 azx_init_chip(chip, (probe_only[dev] & 2) == 0);
1601
1602 /* codec detection */
1603 if (!chip->codec_mask) {
1604 dev_err(card->dev, "no codecs found!\n");
1605 return -ENODEV;
1606 }
1607
1608 strcpy(card->driver, "HDA-Intel");
1609 strlcpy(card->shortname, driver_short_names[chip->driver_type],
1610 sizeof(card->shortname));
1611 snprintf(card->longname, sizeof(card->longname),
1612 "%s at 0x%lx irq %i",
1613 card->shortname, chip->addr, chip->irq);
1614
1615 return 0;
1616 }
1617
1618 static void power_down_all_codecs(struct azx *chip)
1619 {
1620 #ifdef CONFIG_PM
1621 /* The codecs were powered up in snd_hda_codec_new().
1622 * Now all initialization done, so turn them down if possible
1623 */
1624 struct hda_codec *codec;
1625 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1626 snd_hda_power_down(codec);
1627 }
1628 #endif
1629 }
1630
1631 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1632 /* callback from request_firmware_nowait() */
1633 static void azx_firmware_cb(const struct firmware *fw, void *context)
1634 {
1635 struct snd_card *card = context;
1636 struct azx *chip = card->private_data;
1637 struct pci_dev *pci = chip->pci;
1638
1639 if (!fw) {
1640 dev_err(card->dev, "Cannot load firmware, aborting\n");
1641 goto error;
1642 }
1643
1644 chip->fw = fw;
1645 if (!chip->disabled) {
1646 /* continue probing */
1647 if (azx_probe_continue(chip))
1648 goto error;
1649 }
1650 return; /* OK */
1651
1652 error:
1653 snd_card_free(card);
1654 pci_set_drvdata(pci, NULL);
1655 }
1656 #endif
1657
1658 /*
1659 * HDA controller ops.
1660 */
1661
1662 /* PCI register access. */
1663 static void pci_azx_writel(u32 value, u32 __iomem *addr)
1664 {
1665 writel(value, addr);
1666 }
1667
1668 static u32 pci_azx_readl(u32 __iomem *addr)
1669 {
1670 return readl(addr);
1671 }
1672
1673 static void pci_azx_writew(u16 value, u16 __iomem *addr)
1674 {
1675 writew(value, addr);
1676 }
1677
1678 static u16 pci_azx_readw(u16 __iomem *addr)
1679 {
1680 return readw(addr);
1681 }
1682
1683 static void pci_azx_writeb(u8 value, u8 __iomem *addr)
1684 {
1685 writeb(value, addr);
1686 }
1687
1688 static u8 pci_azx_readb(u8 __iomem *addr)
1689 {
1690 return readb(addr);
1691 }
1692
1693 static int disable_msi_reset_irq(struct azx *chip)
1694 {
1695 int err;
1696
1697 free_irq(chip->irq, chip);
1698 chip->irq = -1;
1699 pci_disable_msi(chip->pci);
1700 chip->msi = 0;
1701 err = azx_acquire_irq(chip, 1);
1702 if (err < 0)
1703 return err;
1704
1705 return 0;
1706 }
1707
1708 /* DMA page allocation helpers. */
1709 static int dma_alloc_pages(struct azx *chip,
1710 int type,
1711 size_t size,
1712 struct snd_dma_buffer *buf)
1713 {
1714 int err;
1715
1716 err = snd_dma_alloc_pages(type,
1717 chip->card->dev,
1718 size, buf);
1719 if (err < 0)
1720 return err;
1721 mark_pages_wc(chip, buf, true);
1722 return 0;
1723 }
1724
1725 static void dma_free_pages(struct azx *chip, struct snd_dma_buffer *buf)
1726 {
1727 mark_pages_wc(chip, buf, false);
1728 snd_dma_free_pages(buf);
1729 }
1730
1731 static int substream_alloc_pages(struct azx *chip,
1732 struct snd_pcm_substream *substream,
1733 size_t size)
1734 {
1735 struct azx_dev *azx_dev = get_azx_dev(substream);
1736 int ret;
1737
1738 mark_runtime_wc(chip, azx_dev, substream, false);
1739 azx_dev->bufsize = 0;
1740 azx_dev->period_bytes = 0;
1741 azx_dev->format_val = 0;
1742 ret = snd_pcm_lib_malloc_pages(substream, size);
1743 if (ret < 0)
1744 return ret;
1745 mark_runtime_wc(chip, azx_dev, substream, true);
1746 return 0;
1747 }
1748
1749 static int substream_free_pages(struct azx *chip,
1750 struct snd_pcm_substream *substream)
1751 {
1752 struct azx_dev *azx_dev = get_azx_dev(substream);
1753 mark_runtime_wc(chip, azx_dev, substream, false);
1754 return snd_pcm_lib_free_pages(substream);
1755 }
1756
1757 static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
1758 struct vm_area_struct *area)
1759 {
1760 #ifdef CONFIG_X86
1761 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1762 struct azx *chip = apcm->chip;
1763 if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
1764 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
1765 #endif
1766 }
1767
1768 static const struct hda_controller_ops pci_hda_ops = {
1769 .reg_writel = pci_azx_writel,
1770 .reg_readl = pci_azx_readl,
1771 .reg_writew = pci_azx_writew,
1772 .reg_readw = pci_azx_readw,
1773 .reg_writeb = pci_azx_writeb,
1774 .reg_readb = pci_azx_readb,
1775 .disable_msi_reset_irq = disable_msi_reset_irq,
1776 .dma_alloc_pages = dma_alloc_pages,
1777 .dma_free_pages = dma_free_pages,
1778 .substream_alloc_pages = substream_alloc_pages,
1779 .substream_free_pages = substream_free_pages,
1780 .pcm_mmap_prepare = pcm_mmap_prepare,
1781 .position_check = azx_position_check,
1782 };
1783
1784 static int azx_probe(struct pci_dev *pci,
1785 const struct pci_device_id *pci_id)
1786 {
1787 static int dev;
1788 struct snd_card *card;
1789 struct hda_intel *hda;
1790 struct azx *chip;
1791 bool schedule_probe;
1792 int err;
1793
1794 if (dev >= SNDRV_CARDS)
1795 return -ENODEV;
1796 if (!enable[dev]) {
1797 dev++;
1798 return -ENOENT;
1799 }
1800
1801 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1802 0, &card);
1803 if (err < 0) {
1804 dev_err(&pci->dev, "Error creating card!\n");
1805 return err;
1806 }
1807
1808 err = azx_create(card, pci, dev, pci_id->driver_data,
1809 &pci_hda_ops, &chip);
1810 if (err < 0)
1811 goto out_free;
1812 card->private_data = chip;
1813 hda = container_of(chip, struct hda_intel, chip);
1814
1815 pci_set_drvdata(pci, card);
1816
1817 err = register_vga_switcheroo(chip);
1818 if (err < 0) {
1819 dev_err(card->dev, "Error registering VGA-switcheroo client\n");
1820 goto out_free;
1821 }
1822
1823 if (check_hdmi_disabled(pci)) {
1824 dev_info(card->dev, "VGA controller is disabled\n");
1825 dev_info(card->dev, "Delaying initialization\n");
1826 chip->disabled = true;
1827 }
1828
1829 schedule_probe = !chip->disabled;
1830
1831 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1832 if (patch[dev] && *patch[dev]) {
1833 dev_info(card->dev, "Applying patch firmware '%s'\n",
1834 patch[dev]);
1835 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
1836 &pci->dev, GFP_KERNEL, card,
1837 azx_firmware_cb);
1838 if (err < 0)
1839 goto out_free;
1840 schedule_probe = false; /* continued in azx_firmware_cb() */
1841 }
1842 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
1843
1844 #ifndef CONFIG_SND_HDA_I915
1845 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
1846 dev_err(card->dev, "Haswell must build in CONFIG_SND_HDA_I915\n");
1847 #endif
1848
1849 if (schedule_probe)
1850 schedule_work(&hda->probe_work);
1851
1852 dev++;
1853 if (chip->disabled)
1854 complete_all(&hda->probe_wait);
1855 return 0;
1856
1857 out_free:
1858 snd_card_free(card);
1859 return err;
1860 }
1861
1862 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
1863 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
1864 [AZX_DRIVER_NVIDIA] = 8,
1865 [AZX_DRIVER_TERA] = 1,
1866 };
1867
1868 static int azx_probe_continue(struct azx *chip)
1869 {
1870 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1871 struct pci_dev *pci = chip->pci;
1872 int dev = chip->dev_index;
1873 int err;
1874
1875 /* Request power well for Haswell HDA controller and codec */
1876 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1877 #ifdef CONFIG_SND_HDA_I915
1878 err = hda_i915_init(hda);
1879 if (err < 0)
1880 goto out_free;
1881 err = hda_display_power(hda, true);
1882 if (err < 0) {
1883 dev_err(chip->card->dev,
1884 "Cannot turn on display power on i915\n");
1885 goto out_free;
1886 }
1887 #endif
1888 }
1889
1890 err = azx_first_init(chip);
1891 if (err < 0)
1892 goto out_free;
1893
1894 #ifdef CONFIG_SND_HDA_INPUT_BEEP
1895 chip->beep_mode = beep_mode[dev];
1896 #endif
1897
1898 /* create codec instances */
1899 err = azx_codec_create(chip, model[dev],
1900 azx_max_codecs[chip->driver_type],
1901 power_save_addr);
1902
1903 if (err < 0)
1904 goto out_free;
1905 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1906 if (chip->fw) {
1907 err = snd_hda_load_patch(chip->bus, chip->fw->size,
1908 chip->fw->data);
1909 if (err < 0)
1910 goto out_free;
1911 #ifndef CONFIG_PM
1912 release_firmware(chip->fw); /* no longer needed */
1913 chip->fw = NULL;
1914 #endif
1915 }
1916 #endif
1917 if ((probe_only[dev] & 1) == 0) {
1918 err = azx_codec_configure(chip);
1919 if (err < 0)
1920 goto out_free;
1921 }
1922
1923 /* create PCM streams */
1924 err = snd_hda_build_pcms(chip->bus);
1925 if (err < 0)
1926 goto out_free;
1927
1928 /* create mixer controls */
1929 err = azx_mixer_create(chip);
1930 if (err < 0)
1931 goto out_free;
1932
1933 err = snd_card_register(chip->card);
1934 if (err < 0)
1935 goto out_free;
1936
1937 chip->running = 1;
1938 power_down_all_codecs(chip);
1939 azx_notifier_register(chip);
1940 azx_add_card_list(chip);
1941 if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME) || hda->use_vga_switcheroo)
1942 pm_runtime_put_noidle(&pci->dev);
1943
1944 out_free:
1945 if (err < 0)
1946 hda->init_failed = 1;
1947 complete_all(&hda->probe_wait);
1948 return err;
1949 }
1950
1951 static void azx_remove(struct pci_dev *pci)
1952 {
1953 struct snd_card *card = pci_get_drvdata(pci);
1954
1955 if (card)
1956 snd_card_free(card);
1957 }
1958
1959 /* PCI IDs */
1960 static const struct pci_device_id azx_ids[] = {
1961 /* CPT */
1962 { PCI_DEVICE(0x8086, 0x1c20),
1963 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
1964 /* PBG */
1965 { PCI_DEVICE(0x8086, 0x1d20),
1966 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
1967 /* Panther Point */
1968 { PCI_DEVICE(0x8086, 0x1e20),
1969 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1970 /* Lynx Point */
1971 { PCI_DEVICE(0x8086, 0x8c20),
1972 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1973 /* 9 Series */
1974 { PCI_DEVICE(0x8086, 0x8ca0),
1975 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1976 /* Wellsburg */
1977 { PCI_DEVICE(0x8086, 0x8d20),
1978 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1979 { PCI_DEVICE(0x8086, 0x8d21),
1980 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1981 /* Lynx Point-LP */
1982 { PCI_DEVICE(0x8086, 0x9c20),
1983 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1984 /* Lynx Point-LP */
1985 { PCI_DEVICE(0x8086, 0x9c21),
1986 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1987 /* Wildcat Point-LP */
1988 { PCI_DEVICE(0x8086, 0x9ca0),
1989 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1990 /* Sunrise Point */
1991 { PCI_DEVICE(0x8086, 0xa170),
1992 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
1993 /* Sunrise Point-LP */
1994 { PCI_DEVICE(0x8086, 0x9d70),
1995 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
1996 /* Haswell */
1997 { PCI_DEVICE(0x8086, 0x0a0c),
1998 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
1999 { PCI_DEVICE(0x8086, 0x0c0c),
2000 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2001 { PCI_DEVICE(0x8086, 0x0d0c),
2002 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2003 /* Broadwell */
2004 { PCI_DEVICE(0x8086, 0x160c),
2005 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2006 /* 5 Series/3400 */
2007 { PCI_DEVICE(0x8086, 0x3b56),
2008 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2009 /* Poulsbo */
2010 { PCI_DEVICE(0x8086, 0x811b),
2011 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2012 /* Oaktrail */
2013 { PCI_DEVICE(0x8086, 0x080a),
2014 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2015 /* BayTrail */
2016 { PCI_DEVICE(0x8086, 0x0f04),
2017 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2018 /* Braswell */
2019 { PCI_DEVICE(0x8086, 0x2284),
2020 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2021 /* ICH6 */
2022 { PCI_DEVICE(0x8086, 0x2668),
2023 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2024 /* ICH7 */
2025 { PCI_DEVICE(0x8086, 0x27d8),
2026 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2027 /* ESB2 */
2028 { PCI_DEVICE(0x8086, 0x269a),
2029 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2030 /* ICH8 */
2031 { PCI_DEVICE(0x8086, 0x284b),
2032 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2033 /* ICH9 */
2034 { PCI_DEVICE(0x8086, 0x293e),
2035 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2036 /* ICH9 */
2037 { PCI_DEVICE(0x8086, 0x293f),
2038 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2039 /* ICH10 */
2040 { PCI_DEVICE(0x8086, 0x3a3e),
2041 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2042 /* ICH10 */
2043 { PCI_DEVICE(0x8086, 0x3a6e),
2044 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2045 /* Generic Intel */
2046 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2047 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2048 .class_mask = 0xffffff,
2049 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2050 /* ATI SB 450/600/700/800/900 */
2051 { PCI_DEVICE(0x1002, 0x437b),
2052 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2053 { PCI_DEVICE(0x1002, 0x4383),
2054 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2055 /* AMD Hudson */
2056 { PCI_DEVICE(0x1022, 0x780d),
2057 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2058 /* ATI HDMI */
2059 { PCI_DEVICE(0x1002, 0x793b),
2060 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2061 { PCI_DEVICE(0x1002, 0x7919),
2062 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2063 { PCI_DEVICE(0x1002, 0x960f),
2064 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2065 { PCI_DEVICE(0x1002, 0x970f),
2066 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2067 { PCI_DEVICE(0x1002, 0xaa00),
2068 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2069 { PCI_DEVICE(0x1002, 0xaa08),
2070 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2071 { PCI_DEVICE(0x1002, 0xaa10),
2072 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2073 { PCI_DEVICE(0x1002, 0xaa18),
2074 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2075 { PCI_DEVICE(0x1002, 0xaa20),
2076 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2077 { PCI_DEVICE(0x1002, 0xaa28),
2078 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2079 { PCI_DEVICE(0x1002, 0xaa30),
2080 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2081 { PCI_DEVICE(0x1002, 0xaa38),
2082 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2083 { PCI_DEVICE(0x1002, 0xaa40),
2084 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2085 { PCI_DEVICE(0x1002, 0xaa48),
2086 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2087 { PCI_DEVICE(0x1002, 0xaa50),
2088 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2089 { PCI_DEVICE(0x1002, 0xaa58),
2090 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2091 { PCI_DEVICE(0x1002, 0xaa60),
2092 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2093 { PCI_DEVICE(0x1002, 0xaa68),
2094 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2095 { PCI_DEVICE(0x1002, 0xaa80),
2096 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2097 { PCI_DEVICE(0x1002, 0xaa88),
2098 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2099 { PCI_DEVICE(0x1002, 0xaa90),
2100 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2101 { PCI_DEVICE(0x1002, 0xaa98),
2102 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2103 { PCI_DEVICE(0x1002, 0x9902),
2104 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2105 { PCI_DEVICE(0x1002, 0xaaa0),
2106 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2107 { PCI_DEVICE(0x1002, 0xaaa8),
2108 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2109 { PCI_DEVICE(0x1002, 0xaab0),
2110 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2111 /* VIA VT8251/VT8237A */
2112 { PCI_DEVICE(0x1106, 0x3288),
2113 .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA },
2114 /* VIA GFX VT7122/VX900 */
2115 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2116 /* VIA GFX VT6122/VX11 */
2117 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2118 /* SIS966 */
2119 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2120 /* ULI M5461 */
2121 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2122 /* NVIDIA MCP */
2123 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2124 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2125 .class_mask = 0xffffff,
2126 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2127 /* Teradici */
2128 { PCI_DEVICE(0x6549, 0x1200),
2129 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2130 { PCI_DEVICE(0x6549, 0x2200),
2131 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2132 /* Creative X-Fi (CA0110-IBG) */
2133 /* CTHDA chips */
2134 { PCI_DEVICE(0x1102, 0x0010),
2135 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2136 { PCI_DEVICE(0x1102, 0x0012),
2137 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2138 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2139 /* the following entry conflicts with snd-ctxfi driver,
2140 * as ctxfi driver mutates from HD-audio to native mode with
2141 * a special command sequence.
2142 */
2143 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2144 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2145 .class_mask = 0xffffff,
2146 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2147 AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
2148 #else
2149 /* this entry seems still valid -- i.e. without emu20kx chip */
2150 { PCI_DEVICE(0x1102, 0x0009),
2151 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2152 AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
2153 #endif
2154 /* CM8888 */
2155 { PCI_DEVICE(0x13f6, 0x5011),
2156 .driver_data = AZX_DRIVER_CMEDIA |
2157 AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2158 /* Vortex86MX */
2159 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2160 /* VMware HDAudio */
2161 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2162 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2163 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2164 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2165 .class_mask = 0xffffff,
2166 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2167 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2168 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2169 .class_mask = 0xffffff,
2170 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2171 { 0, }
2172 };
2173 MODULE_DEVICE_TABLE(pci, azx_ids);
2174
2175 /* pci_driver definition */
2176 static struct pci_driver azx_driver = {
2177 .name = KBUILD_MODNAME,
2178 .id_table = azx_ids,
2179 .probe = azx_probe,
2180 .remove = azx_remove,
2181 .driver = {
2182 .pm = AZX_PM_OPS,
2183 },
2184 };
2185
2186 module_pci_driver(azx_driver);
Linux kernel - Deliverables
This page took 0.0796 seconds and 5 git commands to generate.