Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * | |
3 | * hda_intel.c - Implementation of primary alsa driver code base for Intel HD Audio. | |
4 | * | |
5 | * Copyright(c) 2004 Intel Corporation. All rights reserved. | |
6 | * | |
7 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> | |
8 | * PeiSen Hou <pshou@realtek.com.tw> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the Free | |
12 | * Software Foundation; either version 2 of the License, or (at your option) | |
13 | * any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
17 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
18 | * more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License along with | |
21 | * this program; if not, write to the Free Software Foundation, Inc., 59 | |
22 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
23 | * | |
24 | * CONTACTS: | |
25 | * | |
26 | * Matt Jared matt.jared@intel.com | |
27 | * Andy Kopp andy.kopp@intel.com | |
28 | * Dan Kogan dan.d.kogan@intel.com | |
29 | * | |
30 | * CHANGES: | |
31 | * | |
32 | * 2004.12.01 Major rewrite by tiwai, merged the work of pshou | |
33 | * | |
34 | */ | |
35 | ||
36 | #include <sound/driver.h> | |
37 | #include <asm/io.h> | |
38 | #include <linux/delay.h> | |
39 | #include <linux/interrupt.h> | |
362775e2 | 40 | #include <linux/kernel.h> |
1da177e4 LT |
41 | #include <linux/module.h> |
42 | #include <linux/moduleparam.h> | |
43 | #include <linux/init.h> | |
44 | #include <linux/slab.h> | |
45 | #include <linux/pci.h> | |
62932df8 | 46 | #include <linux/mutex.h> |
1da177e4 LT |
47 | #include <sound/core.h> |
48 | #include <sound/initval.h> | |
49 | #include "hda_codec.h" | |
50 | ||
51 | ||
b7fe4622 CL |
52 | static int index = SNDRV_DEFAULT_IDX1; |
53 | static char *id = SNDRV_DEFAULT_STR1; | |
54 | static char *model; | |
55 | static int position_fix; | |
954fa19a | 56 | static int probe_mask = -1; |
27346166 | 57 | static int single_cmd; |
134a11f0 | 58 | static int enable_msi; |
1da177e4 | 59 | |
b7fe4622 | 60 | module_param(index, int, 0444); |
1da177e4 | 61 | MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); |
b7fe4622 | 62 | module_param(id, charp, 0444); |
1da177e4 | 63 | MODULE_PARM_DESC(id, "ID string for Intel HD audio interface."); |
b7fe4622 | 64 | module_param(model, charp, 0444); |
1da177e4 | 65 | MODULE_PARM_DESC(model, "Use the given board model."); |
b7fe4622 | 66 | module_param(position_fix, int, 0444); |
0be3b5d3 | 67 | MODULE_PARM_DESC(position_fix, "Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)."); |
606ad75f TI |
68 | module_param(probe_mask, int, 0444); |
69 | MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1)."); | |
27346166 TI |
70 | module_param(single_cmd, bool, 0444); |
71 | MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs (for debugging only)."); | |
134a11f0 TI |
72 | module_param(enable_msi, int, 0); |
73 | MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); | |
606ad75f | 74 | |
1da177e4 | 75 | |
2b3e584b TI |
76 | /* just for backward compatibility */ |
77 | static int enable; | |
698444f3 | 78 | module_param(enable, bool, 0444); |
2b3e584b | 79 | |
1da177e4 LT |
80 | MODULE_LICENSE("GPL"); |
81 | MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," | |
82 | "{Intel, ICH6M}," | |
2f1b3818 | 83 | "{Intel, ICH7}," |
f5d40b30 | 84 | "{Intel, ESB2}," |
d2981393 | 85 | "{Intel, ICH8}," |
f9cc8a8b | 86 | "{Intel, ICH9}," |
fc20a562 | 87 | "{ATI, SB450}," |
89be83f8 | 88 | "{ATI, SB600}," |
778b6e1b | 89 | "{ATI, RS600}," |
5b15c95f | 90 | "{ATI, RS690}," |
e6db1119 WL |
91 | "{ATI, RS780}," |
92 | "{ATI, R600}," | |
fc20a562 | 93 | "{VIA, VT8251}," |
47672310 | 94 | "{VIA, VT8237A}," |
07e4ca50 TI |
95 | "{SiS, SIS966}," |
96 | "{ULI, M5461}}"); | |
1da177e4 LT |
97 | MODULE_DESCRIPTION("Intel HDA driver"); |
98 | ||
99 | #define SFX "hda-intel: " | |
100 | ||
101 | /* | |
102 | * registers | |
103 | */ | |
104 | #define ICH6_REG_GCAP 0x00 | |
105 | #define ICH6_REG_VMIN 0x02 | |
106 | #define ICH6_REG_VMAJ 0x03 | |
107 | #define ICH6_REG_OUTPAY 0x04 | |
108 | #define ICH6_REG_INPAY 0x06 | |
109 | #define ICH6_REG_GCTL 0x08 | |
110 | #define ICH6_REG_WAKEEN 0x0c | |
111 | #define ICH6_REG_STATESTS 0x0e | |
112 | #define ICH6_REG_GSTS 0x10 | |
113 | #define ICH6_REG_INTCTL 0x20 | |
114 | #define ICH6_REG_INTSTS 0x24 | |
115 | #define ICH6_REG_WALCLK 0x30 | |
116 | #define ICH6_REG_SYNC 0x34 | |
117 | #define ICH6_REG_CORBLBASE 0x40 | |
118 | #define ICH6_REG_CORBUBASE 0x44 | |
119 | #define ICH6_REG_CORBWP 0x48 | |
120 | #define ICH6_REG_CORBRP 0x4A | |
121 | #define ICH6_REG_CORBCTL 0x4c | |
122 | #define ICH6_REG_CORBSTS 0x4d | |
123 | #define ICH6_REG_CORBSIZE 0x4e | |
124 | ||
125 | #define ICH6_REG_RIRBLBASE 0x50 | |
126 | #define ICH6_REG_RIRBUBASE 0x54 | |
127 | #define ICH6_REG_RIRBWP 0x58 | |
128 | #define ICH6_REG_RINTCNT 0x5a | |
129 | #define ICH6_REG_RIRBCTL 0x5c | |
130 | #define ICH6_REG_RIRBSTS 0x5d | |
131 | #define ICH6_REG_RIRBSIZE 0x5e | |
132 | ||
133 | #define ICH6_REG_IC 0x60 | |
134 | #define ICH6_REG_IR 0x64 | |
135 | #define ICH6_REG_IRS 0x68 | |
136 | #define ICH6_IRS_VALID (1<<1) | |
137 | #define ICH6_IRS_BUSY (1<<0) | |
138 | ||
139 | #define ICH6_REG_DPLBASE 0x70 | |
140 | #define ICH6_REG_DPUBASE 0x74 | |
141 | #define ICH6_DPLBASE_ENABLE 0x1 /* Enable position buffer */ | |
142 | ||
143 | /* SD offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */ | |
144 | enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; | |
145 | ||
146 | /* stream register offsets from stream base */ | |
147 | #define ICH6_REG_SD_CTL 0x00 | |
148 | #define ICH6_REG_SD_STS 0x03 | |
149 | #define ICH6_REG_SD_LPIB 0x04 | |
150 | #define ICH6_REG_SD_CBL 0x08 | |
151 | #define ICH6_REG_SD_LVI 0x0c | |
152 | #define ICH6_REG_SD_FIFOW 0x0e | |
153 | #define ICH6_REG_SD_FIFOSIZE 0x10 | |
154 | #define ICH6_REG_SD_FORMAT 0x12 | |
155 | #define ICH6_REG_SD_BDLPL 0x18 | |
156 | #define ICH6_REG_SD_BDLPU 0x1c | |
157 | ||
158 | /* PCI space */ | |
159 | #define ICH6_PCIREG_TCSEL 0x44 | |
160 | ||
161 | /* | |
162 | * other constants | |
163 | */ | |
164 | ||
165 | /* max number of SDs */ | |
07e4ca50 TI |
166 | /* ICH, ATI and VIA have 4 playback and 4 capture */ |
167 | #define ICH6_CAPTURE_INDEX 0 | |
168 | #define ICH6_NUM_CAPTURE 4 | |
169 | #define ICH6_PLAYBACK_INDEX 4 | |
170 | #define ICH6_NUM_PLAYBACK 4 | |
171 | ||
172 | /* ULI has 6 playback and 5 capture */ | |
173 | #define ULI_CAPTURE_INDEX 0 | |
174 | #define ULI_NUM_CAPTURE 5 | |
175 | #define ULI_PLAYBACK_INDEX 5 | |
176 | #define ULI_NUM_PLAYBACK 6 | |
177 | ||
778b6e1b FK |
178 | /* ATI HDMI has 1 playback and 0 capture */ |
179 | #define ATIHDMI_CAPTURE_INDEX 0 | |
180 | #define ATIHDMI_NUM_CAPTURE 0 | |
181 | #define ATIHDMI_PLAYBACK_INDEX 0 | |
182 | #define ATIHDMI_NUM_PLAYBACK 1 | |
183 | ||
07e4ca50 TI |
184 | /* this number is statically defined for simplicity */ |
185 | #define MAX_AZX_DEV 16 | |
186 | ||
1da177e4 | 187 | /* max number of fragments - we may use more if allocating more pages for BDL */ |
07e4ca50 TI |
188 | #define BDL_SIZE PAGE_ALIGN(8192) |
189 | #define AZX_MAX_FRAG (BDL_SIZE / (MAX_AZX_DEV * 16)) | |
1da177e4 LT |
190 | /* max buffer size - no h/w limit, you can increase as you like */ |
191 | #define AZX_MAX_BUF_SIZE (1024*1024*1024) | |
192 | /* max number of PCM devics per card */ | |
ec9e1c5c TI |
193 | #define AZX_MAX_AUDIO_PCMS 6 |
194 | #define AZX_MAX_MODEM_PCMS 2 | |
195 | #define AZX_MAX_PCMS (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS) | |
1da177e4 LT |
196 | |
197 | /* RIRB int mask: overrun[2], response[0] */ | |
198 | #define RIRB_INT_RESPONSE 0x01 | |
199 | #define RIRB_INT_OVERRUN 0x04 | |
200 | #define RIRB_INT_MASK 0x05 | |
201 | ||
202 | /* STATESTS int mask: SD2,SD1,SD0 */ | |
19a982b6 | 203 | #define AZX_MAX_CODECS 3 |
1da177e4 | 204 | #define STATESTS_INT_MASK 0x07 |
1da177e4 LT |
205 | |
206 | /* SD_CTL bits */ | |
207 | #define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */ | |
208 | #define SD_CTL_DMA_START 0x02 /* stream DMA start bit */ | |
209 | #define SD_CTL_STREAM_TAG_MASK (0xf << 20) | |
210 | #define SD_CTL_STREAM_TAG_SHIFT 20 | |
211 | ||
212 | /* SD_CTL and SD_STS */ | |
213 | #define SD_INT_DESC_ERR 0x10 /* descriptor error interrupt */ | |
214 | #define SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */ | |
215 | #define SD_INT_COMPLETE 0x04 /* completion interrupt */ | |
216 | #define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|SD_INT_COMPLETE) | |
217 | ||
218 | /* SD_STS */ | |
219 | #define SD_STS_FIFO_READY 0x20 /* FIFO ready */ | |
220 | ||
221 | /* INTCTL and INTSTS */ | |
222 | #define ICH6_INT_ALL_STREAM 0xff /* all stream interrupts */ | |
223 | #define ICH6_INT_CTRL_EN 0x40000000 /* controller interrupt enable bit */ | |
224 | #define ICH6_INT_GLOBAL_EN 0x80000000 /* global interrupt enable bit */ | |
225 | ||
41e2fce4 M |
226 | /* GCTL unsolicited response enable bit */ |
227 | #define ICH6_GCTL_UREN (1<<8) | |
228 | ||
1da177e4 LT |
229 | /* GCTL reset bit */ |
230 | #define ICH6_GCTL_RESET (1<<0) | |
231 | ||
232 | /* CORB/RIRB control, read/write pointer */ | |
233 | #define ICH6_RBCTL_DMA_EN 0x02 /* enable DMA */ | |
234 | #define ICH6_RBCTL_IRQ_EN 0x01 /* enable IRQ */ | |
235 | #define ICH6_RBRWP_CLR 0x8000 /* read/write pointer clear */ | |
236 | /* below are so far hardcoded - should read registers in future */ | |
237 | #define ICH6_MAX_CORB_ENTRIES 256 | |
238 | #define ICH6_MAX_RIRB_ENTRIES 256 | |
239 | ||
c74db86b TI |
240 | /* position fix mode */ |
241 | enum { | |
0be3b5d3 | 242 | POS_FIX_AUTO, |
c74db86b | 243 | POS_FIX_NONE, |
0be3b5d3 TI |
244 | POS_FIX_POSBUF, |
245 | POS_FIX_FIFO, | |
c74db86b | 246 | }; |
1da177e4 | 247 | |
f5d40b30 | 248 | /* Defines for ATI HD Audio support in SB450 south bridge */ |
f5d40b30 FL |
249 | #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42 |
250 | #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02 | |
251 | ||
da3fca21 V |
252 | /* Defines for Nvidia HDA support */ |
253 | #define NVIDIA_HDA_TRANSREG_ADDR 0x4e | |
254 | #define NVIDIA_HDA_ENABLE_COHBITS 0x0f | |
f5d40b30 | 255 | |
1da177e4 LT |
256 | /* |
257 | */ | |
258 | ||
a98f90fd | 259 | struct azx_dev { |
1da177e4 LT |
260 | u32 *bdl; /* virtual address of the BDL */ |
261 | dma_addr_t bdl_addr; /* physical address of the BDL */ | |
929861c6 | 262 | u32 *posbuf; /* position buffer pointer */ |
1da177e4 LT |
263 | |
264 | unsigned int bufsize; /* size of the play buffer in bytes */ | |
265 | unsigned int fragsize; /* size of each period in bytes */ | |
266 | unsigned int frags; /* number for period in the play buffer */ | |
267 | unsigned int fifo_size; /* FIFO size */ | |
268 | ||
269 | void __iomem *sd_addr; /* stream descriptor pointer */ | |
270 | ||
271 | u32 sd_int_sta_mask; /* stream int status mask */ | |
272 | ||
273 | /* pcm support */ | |
a98f90fd | 274 | struct snd_pcm_substream *substream; /* assigned substream, set in PCM open */ |
1da177e4 LT |
275 | unsigned int format_val; /* format value to be set in the controller and the codec */ |
276 | unsigned char stream_tag; /* assigned stream */ | |
277 | unsigned char index; /* stream index */ | |
1a56f8d6 TI |
278 | /* for sanity check of position buffer */ |
279 | unsigned int period_intr; | |
1da177e4 | 280 | |
927fc866 PM |
281 | unsigned int opened :1; |
282 | unsigned int running :1; | |
1da177e4 LT |
283 | }; |
284 | ||
285 | /* CORB/RIRB */ | |
a98f90fd | 286 | struct azx_rb { |
1da177e4 LT |
287 | u32 *buf; /* CORB/RIRB buffer |
288 | * Each CORB entry is 4byte, RIRB is 8byte | |
289 | */ | |
290 | dma_addr_t addr; /* physical address of CORB/RIRB buffer */ | |
291 | /* for RIRB */ | |
292 | unsigned short rp, wp; /* read/write pointers */ | |
293 | int cmds; /* number of pending requests */ | |
294 | u32 res; /* last read value */ | |
295 | }; | |
296 | ||
a98f90fd TI |
297 | struct azx { |
298 | struct snd_card *card; | |
1da177e4 LT |
299 | struct pci_dev *pci; |
300 | ||
07e4ca50 TI |
301 | /* chip type specific */ |
302 | int driver_type; | |
303 | int playback_streams; | |
304 | int playback_index_offset; | |
305 | int capture_streams; | |
306 | int capture_index_offset; | |
307 | int num_streams; | |
308 | ||
1da177e4 LT |
309 | /* pci resources */ |
310 | unsigned long addr; | |
311 | void __iomem *remap_addr; | |
312 | int irq; | |
313 | ||
314 | /* locks */ | |
315 | spinlock_t reg_lock; | |
62932df8 | 316 | struct mutex open_mutex; |
1da177e4 | 317 | |
07e4ca50 | 318 | /* streams (x num_streams) */ |
a98f90fd | 319 | struct azx_dev *azx_dev; |
1da177e4 LT |
320 | |
321 | /* PCM */ | |
322 | unsigned int pcm_devs; | |
a98f90fd | 323 | struct snd_pcm *pcm[AZX_MAX_PCMS]; |
1da177e4 LT |
324 | |
325 | /* HD codec */ | |
326 | unsigned short codec_mask; | |
327 | struct hda_bus *bus; | |
328 | ||
329 | /* CORB/RIRB */ | |
a98f90fd TI |
330 | struct azx_rb corb; |
331 | struct azx_rb rirb; | |
1da177e4 LT |
332 | |
333 | /* BDL, CORB/RIRB and position buffers */ | |
334 | struct snd_dma_buffer bdl; | |
335 | struct snd_dma_buffer rb; | |
336 | struct snd_dma_buffer posbuf; | |
c74db86b TI |
337 | |
338 | /* flags */ | |
339 | int position_fix; | |
927fc866 PM |
340 | unsigned int initialized :1; |
341 | unsigned int single_cmd :1; | |
342 | unsigned int polling_mode :1; | |
68e7fffc | 343 | unsigned int msi :1; |
1da177e4 LT |
344 | }; |
345 | ||
07e4ca50 TI |
346 | /* driver types */ |
347 | enum { | |
348 | AZX_DRIVER_ICH, | |
349 | AZX_DRIVER_ATI, | |
778b6e1b | 350 | AZX_DRIVER_ATIHDMI, |
07e4ca50 TI |
351 | AZX_DRIVER_VIA, |
352 | AZX_DRIVER_SIS, | |
353 | AZX_DRIVER_ULI, | |
da3fca21 | 354 | AZX_DRIVER_NVIDIA, |
07e4ca50 TI |
355 | }; |
356 | ||
357 | static char *driver_short_names[] __devinitdata = { | |
358 | [AZX_DRIVER_ICH] = "HDA Intel", | |
359 | [AZX_DRIVER_ATI] = "HDA ATI SB", | |
778b6e1b | 360 | [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", |
07e4ca50 TI |
361 | [AZX_DRIVER_VIA] = "HDA VIA VT82xx", |
362 | [AZX_DRIVER_SIS] = "HDA SIS966", | |
da3fca21 V |
363 | [AZX_DRIVER_ULI] = "HDA ULI M5461", |
364 | [AZX_DRIVER_NVIDIA] = "HDA NVidia", | |
07e4ca50 TI |
365 | }; |
366 | ||
1da177e4 LT |
367 | /* |
368 | * macros for easy use | |
369 | */ | |
370 | #define azx_writel(chip,reg,value) \ | |
371 | writel(value, (chip)->remap_addr + ICH6_REG_##reg) | |
372 | #define azx_readl(chip,reg) \ | |
373 | readl((chip)->remap_addr + ICH6_REG_##reg) | |
374 | #define azx_writew(chip,reg,value) \ | |
375 | writew(value, (chip)->remap_addr + ICH6_REG_##reg) | |
376 | #define azx_readw(chip,reg) \ | |
377 | readw((chip)->remap_addr + ICH6_REG_##reg) | |
378 | #define azx_writeb(chip,reg,value) \ | |
379 | writeb(value, (chip)->remap_addr + ICH6_REG_##reg) | |
380 | #define azx_readb(chip,reg) \ | |
381 | readb((chip)->remap_addr + ICH6_REG_##reg) | |
382 | ||
383 | #define azx_sd_writel(dev,reg,value) \ | |
384 | writel(value, (dev)->sd_addr + ICH6_REG_##reg) | |
385 | #define azx_sd_readl(dev,reg) \ | |
386 | readl((dev)->sd_addr + ICH6_REG_##reg) | |
387 | #define azx_sd_writew(dev,reg,value) \ | |
388 | writew(value, (dev)->sd_addr + ICH6_REG_##reg) | |
389 | #define azx_sd_readw(dev,reg) \ | |
390 | readw((dev)->sd_addr + ICH6_REG_##reg) | |
391 | #define azx_sd_writeb(dev,reg,value) \ | |
392 | writeb(value, (dev)->sd_addr + ICH6_REG_##reg) | |
393 | #define azx_sd_readb(dev,reg) \ | |
394 | readb((dev)->sd_addr + ICH6_REG_##reg) | |
395 | ||
396 | /* for pcm support */ | |
a98f90fd | 397 | #define get_azx_dev(substream) (substream->runtime->private_data) |
1da177e4 LT |
398 | |
399 | /* Get the upper 32bit of the given dma_addr_t | |
400 | * Compiler should optimize and eliminate the code if dma_addr_t is 32bit | |
401 | */ | |
402 | #define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0) | |
403 | ||
68e7fffc | 404 | static int azx_acquire_irq(struct azx *chip, int do_disconnect); |
1da177e4 LT |
405 | |
406 | /* | |
407 | * Interface for HD codec | |
408 | */ | |
409 | ||
1da177e4 LT |
410 | /* |
411 | * CORB / RIRB interface | |
412 | */ | |
a98f90fd | 413 | static int azx_alloc_cmd_io(struct azx *chip) |
1da177e4 LT |
414 | { |
415 | int err; | |
416 | ||
417 | /* single page (at least 4096 bytes) must suffice for both ringbuffes */ | |
418 | err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), | |
419 | PAGE_SIZE, &chip->rb); | |
420 | if (err < 0) { | |
421 | snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n"); | |
422 | return err; | |
423 | } | |
424 | return 0; | |
425 | } | |
426 | ||
a98f90fd | 427 | static void azx_init_cmd_io(struct azx *chip) |
1da177e4 LT |
428 | { |
429 | /* CORB set up */ | |
430 | chip->corb.addr = chip->rb.addr; | |
431 | chip->corb.buf = (u32 *)chip->rb.area; | |
432 | azx_writel(chip, CORBLBASE, (u32)chip->corb.addr); | |
433 | azx_writel(chip, CORBUBASE, upper_32bit(chip->corb.addr)); | |
434 | ||
07e4ca50 TI |
435 | /* set the corb size to 256 entries (ULI requires explicitly) */ |
436 | azx_writeb(chip, CORBSIZE, 0x02); | |
1da177e4 LT |
437 | /* set the corb write pointer to 0 */ |
438 | azx_writew(chip, CORBWP, 0); | |
439 | /* reset the corb hw read pointer */ | |
440 | azx_writew(chip, CORBRP, ICH6_RBRWP_CLR); | |
441 | /* enable corb dma */ | |
442 | azx_writeb(chip, CORBCTL, ICH6_RBCTL_DMA_EN); | |
443 | ||
444 | /* RIRB set up */ | |
445 | chip->rirb.addr = chip->rb.addr + 2048; | |
446 | chip->rirb.buf = (u32 *)(chip->rb.area + 2048); | |
447 | azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr); | |
448 | azx_writel(chip, RIRBUBASE, upper_32bit(chip->rirb.addr)); | |
449 | ||
07e4ca50 TI |
450 | /* set the rirb size to 256 entries (ULI requires explicitly) */ |
451 | azx_writeb(chip, RIRBSIZE, 0x02); | |
1da177e4 LT |
452 | /* reset the rirb hw write pointer */ |
453 | azx_writew(chip, RIRBWP, ICH6_RBRWP_CLR); | |
454 | /* set N=1, get RIRB response interrupt for new entry */ | |
455 | azx_writew(chip, RINTCNT, 1); | |
456 | /* enable rirb dma and response irq */ | |
1da177e4 | 457 | azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN); |
1da177e4 LT |
458 | chip->rirb.rp = chip->rirb.cmds = 0; |
459 | } | |
460 | ||
a98f90fd | 461 | static void azx_free_cmd_io(struct azx *chip) |
1da177e4 LT |
462 | { |
463 | /* disable ringbuffer DMAs */ | |
464 | azx_writeb(chip, RIRBCTL, 0); | |
465 | azx_writeb(chip, CORBCTL, 0); | |
466 | } | |
467 | ||
468 | /* send a command */ | |
111d3af5 TI |
469 | static int azx_corb_send_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, |
470 | unsigned int verb, unsigned int para) | |
1da177e4 | 471 | { |
a98f90fd | 472 | struct azx *chip = codec->bus->private_data; |
1da177e4 LT |
473 | unsigned int wp; |
474 | u32 val; | |
475 | ||
476 | val = (u32)(codec->addr & 0x0f) << 28; | |
477 | val |= (u32)direct << 27; | |
478 | val |= (u32)nid << 20; | |
479 | val |= verb << 8; | |
480 | val |= para; | |
481 | ||
482 | /* add command to corb */ | |
483 | wp = azx_readb(chip, CORBWP); | |
484 | wp++; | |
485 | wp %= ICH6_MAX_CORB_ENTRIES; | |
486 | ||
487 | spin_lock_irq(&chip->reg_lock); | |
488 | chip->rirb.cmds++; | |
489 | chip->corb.buf[wp] = cpu_to_le32(val); | |
490 | azx_writel(chip, CORBWP, wp); | |
491 | spin_unlock_irq(&chip->reg_lock); | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
496 | #define ICH6_RIRB_EX_UNSOL_EV (1<<4) | |
497 | ||
498 | /* retrieve RIRB entry - called from interrupt handler */ | |
a98f90fd | 499 | static void azx_update_rirb(struct azx *chip) |
1da177e4 LT |
500 | { |
501 | unsigned int rp, wp; | |
502 | u32 res, res_ex; | |
503 | ||
504 | wp = azx_readb(chip, RIRBWP); | |
505 | if (wp == chip->rirb.wp) | |
506 | return; | |
507 | chip->rirb.wp = wp; | |
508 | ||
509 | while (chip->rirb.rp != wp) { | |
510 | chip->rirb.rp++; | |
511 | chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES; | |
512 | ||
513 | rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */ | |
514 | res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]); | |
515 | res = le32_to_cpu(chip->rirb.buf[rp]); | |
516 | if (res_ex & ICH6_RIRB_EX_UNSOL_EV) | |
517 | snd_hda_queue_unsol_event(chip->bus, res, res_ex); | |
518 | else if (chip->rirb.cmds) { | |
519 | chip->rirb.cmds--; | |
520 | chip->rirb.res = res; | |
521 | } | |
522 | } | |
523 | } | |
524 | ||
525 | /* receive a response */ | |
111d3af5 | 526 | static unsigned int azx_rirb_get_response(struct hda_codec *codec) |
1da177e4 | 527 | { |
a98f90fd | 528 | struct azx *chip = codec->bus->private_data; |
5c79b1f8 | 529 | unsigned long timeout; |
1da177e4 | 530 | |
5c79b1f8 TI |
531 | again: |
532 | timeout = jiffies + msecs_to_jiffies(1000); | |
533 | do { | |
e96224ae TI |
534 | if (chip->polling_mode) { |
535 | spin_lock_irq(&chip->reg_lock); | |
536 | azx_update_rirb(chip); | |
537 | spin_unlock_irq(&chip->reg_lock); | |
538 | } | |
539 | if (! chip->rirb.cmds) | |
5c79b1f8 TI |
540 | return chip->rirb.res; /* the last value */ |
541 | schedule_timeout_interruptible(1); | |
542 | } while (time_after_eq(timeout, jiffies)); | |
543 | ||
68e7fffc TI |
544 | if (chip->msi) { |
545 | snd_printk(KERN_WARNING "hda_intel: No response from codec, " | |
546 | "disabling MSI...\n"); | |
547 | free_irq(chip->irq, chip); | |
548 | chip->irq = -1; | |
549 | pci_disable_msi(chip->pci); | |
550 | chip->msi = 0; | |
551 | if (azx_acquire_irq(chip, 1) < 0) | |
552 | return -1; | |
553 | goto again; | |
554 | } | |
555 | ||
5c79b1f8 TI |
556 | if (!chip->polling_mode) { |
557 | snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, " | |
558 | "switching to polling mode...\n"); | |
559 | chip->polling_mode = 1; | |
560 | goto again; | |
1da177e4 | 561 | } |
5c79b1f8 TI |
562 | |
563 | snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, " | |
564 | "switching to single_cmd mode...\n"); | |
565 | chip->rirb.rp = azx_readb(chip, RIRBWP); | |
566 | chip->rirb.cmds = 0; | |
567 | /* switch to single_cmd mode */ | |
568 | chip->single_cmd = 1; | |
569 | azx_free_cmd_io(chip); | |
570 | return -1; | |
1da177e4 LT |
571 | } |
572 | ||
1da177e4 LT |
573 | /* |
574 | * Use the single immediate command instead of CORB/RIRB for simplicity | |
575 | * | |
576 | * Note: according to Intel, this is not preferred use. The command was | |
577 | * intended for the BIOS only, and may get confused with unsolicited | |
578 | * responses. So, we shouldn't use it for normal operation from the | |
579 | * driver. | |
580 | * I left the codes, however, for debugging/testing purposes. | |
581 | */ | |
582 | ||
1da177e4 | 583 | /* send a command */ |
27346166 TI |
584 | static int azx_single_send_cmd(struct hda_codec *codec, hda_nid_t nid, |
585 | int direct, unsigned int verb, | |
586 | unsigned int para) | |
1da177e4 | 587 | { |
a98f90fd | 588 | struct azx *chip = codec->bus->private_data; |
1da177e4 LT |
589 | u32 val; |
590 | int timeout = 50; | |
591 | ||
592 | val = (u32)(codec->addr & 0x0f) << 28; | |
593 | val |= (u32)direct << 27; | |
594 | val |= (u32)nid << 20; | |
595 | val |= verb << 8; | |
596 | val |= para; | |
597 | ||
598 | while (timeout--) { | |
599 | /* check ICB busy bit */ | |
600 | if (! (azx_readw(chip, IRS) & ICH6_IRS_BUSY)) { | |
601 | /* Clear IRV valid bit */ | |
602 | azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_VALID); | |
603 | azx_writel(chip, IC, val); | |
604 | azx_writew(chip, IRS, azx_readw(chip, IRS) | ICH6_IRS_BUSY); | |
605 | return 0; | |
606 | } | |
607 | udelay(1); | |
608 | } | |
609 | snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n", azx_readw(chip, IRS), val); | |
610 | return -EIO; | |
611 | } | |
612 | ||
613 | /* receive a response */ | |
27346166 | 614 | static unsigned int azx_single_get_response(struct hda_codec *codec) |
1da177e4 | 615 | { |
a98f90fd | 616 | struct azx *chip = codec->bus->private_data; |
1da177e4 LT |
617 | int timeout = 50; |
618 | ||
619 | while (timeout--) { | |
620 | /* check IRV busy bit */ | |
621 | if (azx_readw(chip, IRS) & ICH6_IRS_VALID) | |
622 | return azx_readl(chip, IR); | |
623 | udelay(1); | |
624 | } | |
625 | snd_printd(SFX "get_response timeout: IRS=0x%x\n", azx_readw(chip, IRS)); | |
626 | return (unsigned int)-1; | |
627 | } | |
628 | ||
111d3af5 TI |
629 | /* |
630 | * The below are the main callbacks from hda_codec. | |
631 | * | |
632 | * They are just the skeleton to call sub-callbacks according to the | |
633 | * current setting of chip->single_cmd. | |
634 | */ | |
635 | ||
636 | /* send a command */ | |
637 | static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid, | |
638 | int direct, unsigned int verb, | |
639 | unsigned int para) | |
640 | { | |
641 | struct azx *chip = codec->bus->private_data; | |
642 | if (chip->single_cmd) | |
643 | return azx_single_send_cmd(codec, nid, direct, verb, para); | |
644 | else | |
645 | return azx_corb_send_cmd(codec, nid, direct, verb, para); | |
646 | } | |
647 | ||
648 | /* get a response */ | |
649 | static unsigned int azx_get_response(struct hda_codec *codec) | |
650 | { | |
651 | struct azx *chip = codec->bus->private_data; | |
652 | if (chip->single_cmd) | |
653 | return azx_single_get_response(codec); | |
654 | else | |
655 | return azx_rirb_get_response(codec); | |
656 | } | |
657 | ||
658 | ||
1da177e4 | 659 | /* reset codec link */ |
a98f90fd | 660 | static int azx_reset(struct azx *chip) |
1da177e4 LT |
661 | { |
662 | int count; | |
663 | ||
664 | /* reset controller */ | |
665 | azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET); | |
666 | ||
667 | count = 50; | |
668 | while (azx_readb(chip, GCTL) && --count) | |
669 | msleep(1); | |
670 | ||
671 | /* delay for >= 100us for codec PLL to settle per spec | |
672 | * Rev 0.9 section 5.5.1 | |
673 | */ | |
674 | msleep(1); | |
675 | ||
676 | /* Bring controller out of reset */ | |
677 | azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET); | |
678 | ||
679 | count = 50; | |
927fc866 | 680 | while (!azx_readb(chip, GCTL) && --count) |
1da177e4 LT |
681 | msleep(1); |
682 | ||
927fc866 | 683 | /* Brent Chartrand said to wait >= 540us for codecs to initialize */ |
1da177e4 LT |
684 | msleep(1); |
685 | ||
686 | /* check to see if controller is ready */ | |
927fc866 | 687 | if (!azx_readb(chip, GCTL)) { |
1da177e4 LT |
688 | snd_printd("azx_reset: controller not ready!\n"); |
689 | return -EBUSY; | |
690 | } | |
691 | ||
41e2fce4 M |
692 | /* Accept unsolicited responses */ |
693 | azx_writel(chip, GCTL, azx_readl(chip, GCTL) | ICH6_GCTL_UREN); | |
694 | ||
1da177e4 | 695 | /* detect codecs */ |
927fc866 | 696 | if (!chip->codec_mask) { |
1da177e4 LT |
697 | chip->codec_mask = azx_readw(chip, STATESTS); |
698 | snd_printdd("codec_mask = 0x%x\n", chip->codec_mask); | |
699 | } | |
700 | ||
701 | return 0; | |
702 | } | |
703 | ||
704 | ||
705 | /* | |
706 | * Lowlevel interface | |
707 | */ | |
708 | ||
709 | /* enable interrupts */ | |
a98f90fd | 710 | static void azx_int_enable(struct azx *chip) |
1da177e4 LT |
711 | { |
712 | /* enable controller CIE and GIE */ | |
713 | azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) | | |
714 | ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN); | |
715 | } | |
716 | ||
717 | /* disable interrupts */ | |
a98f90fd | 718 | static void azx_int_disable(struct azx *chip) |
1da177e4 LT |
719 | { |
720 | int i; | |
721 | ||
722 | /* disable interrupts in stream descriptor */ | |
07e4ca50 | 723 | for (i = 0; i < chip->num_streams; i++) { |
a98f90fd | 724 | struct azx_dev *azx_dev = &chip->azx_dev[i]; |
1da177e4 LT |
725 | azx_sd_writeb(azx_dev, SD_CTL, |
726 | azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK); | |
727 | } | |
728 | ||
729 | /* disable SIE for all streams */ | |
730 | azx_writeb(chip, INTCTL, 0); | |
731 | ||
732 | /* disable controller CIE and GIE */ | |
733 | azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) & | |
734 | ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN)); | |
735 | } | |
736 | ||
737 | /* clear interrupts */ | |
a98f90fd | 738 | static void azx_int_clear(struct azx *chip) |
1da177e4 LT |
739 | { |
740 | int i; | |
741 | ||
742 | /* clear stream status */ | |
07e4ca50 | 743 | for (i = 0; i < chip->num_streams; i++) { |
a98f90fd | 744 | struct azx_dev *azx_dev = &chip->azx_dev[i]; |
1da177e4 LT |
745 | azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); |
746 | } | |
747 | ||
748 | /* clear STATESTS */ | |
749 | azx_writeb(chip, STATESTS, STATESTS_INT_MASK); | |
750 | ||
751 | /* clear rirb status */ | |
752 | azx_writeb(chip, RIRBSTS, RIRB_INT_MASK); | |
753 | ||
754 | /* clear int status */ | |
755 | azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM); | |
756 | } | |
757 | ||
758 | /* start a stream */ | |
a98f90fd | 759 | static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev) |
1da177e4 LT |
760 | { |
761 | /* enable SIE */ | |
762 | azx_writeb(chip, INTCTL, | |
763 | azx_readb(chip, INTCTL) | (1 << azx_dev->index)); | |
764 | /* set DMA start and interrupt mask */ | |
765 | azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | | |
766 | SD_CTL_DMA_START | SD_INT_MASK); | |
767 | } | |
768 | ||
769 | /* stop a stream */ | |
a98f90fd | 770 | static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev) |
1da177e4 LT |
771 | { |
772 | /* stop DMA */ | |
773 | azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & | |
774 | ~(SD_CTL_DMA_START | SD_INT_MASK)); | |
775 | azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */ | |
776 | /* disable SIE */ | |
777 | azx_writeb(chip, INTCTL, | |
778 | azx_readb(chip, INTCTL) & ~(1 << azx_dev->index)); | |
779 | } | |
780 | ||
781 | ||
782 | /* | |
783 | * initialize the chip | |
784 | */ | |
a98f90fd | 785 | static void azx_init_chip(struct azx *chip) |
1da177e4 | 786 | { |
da3fca21 | 787 | unsigned char reg; |
1da177e4 LT |
788 | |
789 | /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44) | |
790 | * TCSEL == Traffic Class Select Register, which sets PCI express QOS | |
791 | * Ensuring these bits are 0 clears playback static on some HD Audio codecs | |
792 | */ | |
da3fca21 V |
793 | pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, ®); |
794 | pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8); | |
1da177e4 LT |
795 | |
796 | /* reset controller */ | |
797 | azx_reset(chip); | |
798 | ||
799 | /* initialize interrupts */ | |
800 | azx_int_clear(chip); | |
801 | azx_int_enable(chip); | |
802 | ||
803 | /* initialize the codec command I/O */ | |
927fc866 | 804 | if (!chip->single_cmd) |
27346166 | 805 | azx_init_cmd_io(chip); |
1da177e4 | 806 | |
0be3b5d3 TI |
807 | /* program the position buffer */ |
808 | azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr); | |
809 | azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr)); | |
f5d40b30 | 810 | |
da3fca21 V |
811 | switch (chip->driver_type) { |
812 | case AZX_DRIVER_ATI: | |
813 | /* For ATI SB450 azalia HD audio, we need to enable snoop */ | |
f5d40b30 | 814 | pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, |
da3fca21 | 815 | ®); |
f5d40b30 | 816 | pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, |
da3fca21 V |
817 | (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP); |
818 | break; | |
819 | case AZX_DRIVER_NVIDIA: | |
820 | /* For NVIDIA HDA, enable snoop */ | |
821 | pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, ®); | |
822 | pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, | |
823 | (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS); | |
824 | break; | |
825 | } | |
1da177e4 LT |
826 | } |
827 | ||
828 | ||
829 | /* | |
830 | * interrupt handler | |
831 | */ | |
7d12e780 | 832 | static irqreturn_t azx_interrupt(int irq, void *dev_id) |
1da177e4 | 833 | { |
a98f90fd TI |
834 | struct azx *chip = dev_id; |
835 | struct azx_dev *azx_dev; | |
1da177e4 LT |
836 | u32 status; |
837 | int i; | |
838 | ||
839 | spin_lock(&chip->reg_lock); | |
840 | ||
841 | status = azx_readl(chip, INTSTS); | |
842 | if (status == 0) { | |
843 | spin_unlock(&chip->reg_lock); | |
844 | return IRQ_NONE; | |
845 | } | |
846 | ||
07e4ca50 | 847 | for (i = 0; i < chip->num_streams; i++) { |
1da177e4 LT |
848 | azx_dev = &chip->azx_dev[i]; |
849 | if (status & azx_dev->sd_int_sta_mask) { | |
850 | azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK); | |
851 | if (azx_dev->substream && azx_dev->running) { | |
1a56f8d6 | 852 | azx_dev->period_intr++; |
1da177e4 LT |
853 | spin_unlock(&chip->reg_lock); |
854 | snd_pcm_period_elapsed(azx_dev->substream); | |
855 | spin_lock(&chip->reg_lock); | |
856 | } | |
857 | } | |
858 | } | |
859 | ||
860 | /* clear rirb int */ | |
861 | status = azx_readb(chip, RIRBSTS); | |
862 | if (status & RIRB_INT_MASK) { | |
27346166 | 863 | if (! chip->single_cmd && (status & RIRB_INT_RESPONSE)) |
1da177e4 LT |
864 | azx_update_rirb(chip); |
865 | azx_writeb(chip, RIRBSTS, RIRB_INT_MASK); | |
866 | } | |
867 | ||
868 | #if 0 | |
869 | /* clear state status int */ | |
870 | if (azx_readb(chip, STATESTS) & 0x04) | |
871 | azx_writeb(chip, STATESTS, 0x04); | |
872 | #endif | |
873 | spin_unlock(&chip->reg_lock); | |
874 | ||
875 | return IRQ_HANDLED; | |
876 | } | |
877 | ||
878 | ||
879 | /* | |
880 | * set up BDL entries | |
881 | */ | |
a98f90fd | 882 | static void azx_setup_periods(struct azx_dev *azx_dev) |
1da177e4 LT |
883 | { |
884 | u32 *bdl = azx_dev->bdl; | |
885 | dma_addr_t dma_addr = azx_dev->substream->runtime->dma_addr; | |
886 | int idx; | |
887 | ||
888 | /* reset BDL address */ | |
889 | azx_sd_writel(azx_dev, SD_BDLPL, 0); | |
890 | azx_sd_writel(azx_dev, SD_BDLPU, 0); | |
891 | ||
892 | /* program the initial BDL entries */ | |
893 | for (idx = 0; idx < azx_dev->frags; idx++) { | |
894 | unsigned int off = idx << 2; /* 4 dword step */ | |
895 | dma_addr_t addr = dma_addr + idx * azx_dev->fragsize; | |
896 | /* program the address field of the BDL entry */ | |
897 | bdl[off] = cpu_to_le32((u32)addr); | |
898 | bdl[off+1] = cpu_to_le32(upper_32bit(addr)); | |
899 | ||
900 | /* program the size field of the BDL entry */ | |
901 | bdl[off+2] = cpu_to_le32(azx_dev->fragsize); | |
902 | ||
903 | /* program the IOC to enable interrupt when buffer completes */ | |
904 | bdl[off+3] = cpu_to_le32(0x01); | |
905 | } | |
906 | } | |
907 | ||
908 | /* | |
909 | * set up the SD for streaming | |
910 | */ | |
a98f90fd | 911 | static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev) |
1da177e4 LT |
912 | { |
913 | unsigned char val; | |
914 | int timeout; | |
915 | ||
916 | /* make sure the run bit is zero for SD */ | |
917 | azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) & ~SD_CTL_DMA_START); | |
918 | /* reset stream */ | |
919 | azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) | SD_CTL_STREAM_RESET); | |
920 | udelay(3); | |
921 | timeout = 300; | |
922 | while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) && | |
923 | --timeout) | |
924 | ; | |
925 | val &= ~SD_CTL_STREAM_RESET; | |
926 | azx_sd_writeb(azx_dev, SD_CTL, val); | |
927 | udelay(3); | |
928 | ||
929 | timeout = 300; | |
930 | /* waiting for hardware to report that the stream is out of reset */ | |
931 | while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) && | |
932 | --timeout) | |
933 | ; | |
934 | ||
935 | /* program the stream_tag */ | |
936 | azx_sd_writel(azx_dev, SD_CTL, | |
937 | (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK) | | |
938 | (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT)); | |
939 | ||
940 | /* program the length of samples in cyclic buffer */ | |
941 | azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize); | |
942 | ||
943 | /* program the stream format */ | |
944 | /* this value needs to be the same as the one programmed */ | |
945 | azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val); | |
946 | ||
947 | /* program the stream LVI (last valid index) of the BDL */ | |
948 | azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1); | |
949 | ||
950 | /* program the BDL address */ | |
951 | /* lower BDL address */ | |
952 | azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl_addr); | |
953 | /* upper BDL address */ | |
954 | azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr)); | |
955 | ||
0be3b5d3 TI |
956 | /* enable the position buffer */ |
957 | if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE)) | |
958 | azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE); | |
c74db86b | 959 | |
1da177e4 LT |
960 | /* set the interrupt enable bits in the descriptor control register */ |
961 | azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK); | |
962 | ||
963 | return 0; | |
964 | } | |
965 | ||
966 | ||
967 | /* | |
968 | * Codec initialization | |
969 | */ | |
970 | ||
a9995a35 TI |
971 | static unsigned int azx_max_codecs[] __devinitdata = { |
972 | [AZX_DRIVER_ICH] = 3, | |
973 | [AZX_DRIVER_ATI] = 4, | |
974 | [AZX_DRIVER_ATIHDMI] = 4, | |
975 | [AZX_DRIVER_VIA] = 3, /* FIXME: correct? */ | |
976 | [AZX_DRIVER_SIS] = 3, /* FIXME: correct? */ | |
977 | [AZX_DRIVER_ULI] = 3, /* FIXME: correct? */ | |
978 | [AZX_DRIVER_NVIDIA] = 3, /* FIXME: correct? */ | |
979 | }; | |
980 | ||
a98f90fd | 981 | static int __devinit azx_codec_create(struct azx *chip, const char *model) |
1da177e4 LT |
982 | { |
983 | struct hda_bus_template bus_temp; | |
bccad14e | 984 | int c, codecs, audio_codecs, err; |
1da177e4 LT |
985 | |
986 | memset(&bus_temp, 0, sizeof(bus_temp)); | |
987 | bus_temp.private_data = chip; | |
988 | bus_temp.modelname = model; | |
989 | bus_temp.pci = chip->pci; | |
111d3af5 TI |
990 | bus_temp.ops.command = azx_send_cmd; |
991 | bus_temp.ops.get_response = azx_get_response; | |
1da177e4 LT |
992 | |
993 | if ((err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus)) < 0) | |
994 | return err; | |
995 | ||
bccad14e | 996 | codecs = audio_codecs = 0; |
19a982b6 | 997 | for (c = 0; c < AZX_MAX_CODECS; c++) { |
606ad75f | 998 | if ((chip->codec_mask & (1 << c)) & probe_mask) { |
bccad14e TI |
999 | struct hda_codec *codec; |
1000 | err = snd_hda_codec_new(chip->bus, c, &codec); | |
1da177e4 LT |
1001 | if (err < 0) |
1002 | continue; | |
1003 | codecs++; | |
bccad14e TI |
1004 | if (codec->afg) |
1005 | audio_codecs++; | |
1da177e4 LT |
1006 | } |
1007 | } | |
bccad14e | 1008 | if (!audio_codecs) { |
19a982b6 TI |
1009 | /* probe additional slots if no codec is found */ |
1010 | for (; c < azx_max_codecs[chip->driver_type]; c++) { | |
1011 | if ((chip->codec_mask & (1 << c)) & probe_mask) { | |
1012 | err = snd_hda_codec_new(chip->bus, c, NULL); | |
1013 | if (err < 0) | |
1014 | continue; | |
1015 | codecs++; | |
1016 | } | |
1017 | } | |
1018 | } | |
1019 | if (!codecs) { | |
1da177e4 LT |
1020 | snd_printk(KERN_ERR SFX "no codecs initialized\n"); |
1021 | return -ENXIO; | |
1022 | } | |
1023 | ||
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | ||
1028 | /* | |
1029 | * PCM support | |
1030 | */ | |
1031 | ||
1032 | /* assign a stream for the PCM */ | |
a98f90fd | 1033 | static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream) |
1da177e4 | 1034 | { |
07e4ca50 TI |
1035 | int dev, i, nums; |
1036 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
1037 | dev = chip->playback_index_offset; | |
1038 | nums = chip->playback_streams; | |
1039 | } else { | |
1040 | dev = chip->capture_index_offset; | |
1041 | nums = chip->capture_streams; | |
1042 | } | |
1043 | for (i = 0; i < nums; i++, dev++) | |
1da177e4 LT |
1044 | if (! chip->azx_dev[dev].opened) { |
1045 | chip->azx_dev[dev].opened = 1; | |
1046 | return &chip->azx_dev[dev]; | |
1047 | } | |
1048 | return NULL; | |
1049 | } | |
1050 | ||
1051 | /* release the assigned stream */ | |
a98f90fd | 1052 | static inline void azx_release_device(struct azx_dev *azx_dev) |
1da177e4 LT |
1053 | { |
1054 | azx_dev->opened = 0; | |
1055 | } | |
1056 | ||
a98f90fd | 1057 | static struct snd_pcm_hardware azx_pcm_hw = { |
1da177e4 LT |
1058 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
1059 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
1060 | SNDRV_PCM_INFO_MMAP_VALID | | |
927fc866 PM |
1061 | /* No full-resume yet implemented */ |
1062 | /* SNDRV_PCM_INFO_RESUME |*/ | |
1063 | SNDRV_PCM_INFO_PAUSE), | |
1da177e4 LT |
1064 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
1065 | .rates = SNDRV_PCM_RATE_48000, | |
1066 | .rate_min = 48000, | |
1067 | .rate_max = 48000, | |
1068 | .channels_min = 2, | |
1069 | .channels_max = 2, | |
1070 | .buffer_bytes_max = AZX_MAX_BUF_SIZE, | |
1071 | .period_bytes_min = 128, | |
1072 | .period_bytes_max = AZX_MAX_BUF_SIZE / 2, | |
1073 | .periods_min = 2, | |
1074 | .periods_max = AZX_MAX_FRAG, | |
1075 | .fifo_size = 0, | |
1076 | }; | |
1077 | ||
1078 | struct azx_pcm { | |
a98f90fd | 1079 | struct azx *chip; |
1da177e4 LT |
1080 | struct hda_codec *codec; |
1081 | struct hda_pcm_stream *hinfo[2]; | |
1082 | }; | |
1083 | ||
a98f90fd | 1084 | static int azx_pcm_open(struct snd_pcm_substream *substream) |
1da177e4 LT |
1085 | { |
1086 | struct azx_pcm *apcm = snd_pcm_substream_chip(substream); | |
1087 | struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; | |
a98f90fd TI |
1088 | struct azx *chip = apcm->chip; |
1089 | struct azx_dev *azx_dev; | |
1090 | struct snd_pcm_runtime *runtime = substream->runtime; | |
1da177e4 LT |
1091 | unsigned long flags; |
1092 | int err; | |
1093 | ||
62932df8 | 1094 | mutex_lock(&chip->open_mutex); |
1da177e4 LT |
1095 | azx_dev = azx_assign_device(chip, substream->stream); |
1096 | if (azx_dev == NULL) { | |
62932df8 | 1097 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1098 | return -EBUSY; |
1099 | } | |
1100 | runtime->hw = azx_pcm_hw; | |
1101 | runtime->hw.channels_min = hinfo->channels_min; | |
1102 | runtime->hw.channels_max = hinfo->channels_max; | |
1103 | runtime->hw.formats = hinfo->formats; | |
1104 | runtime->hw.rates = hinfo->rates; | |
1105 | snd_pcm_limit_hw_rates(runtime); | |
1106 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | |
5f1545bc JD |
1107 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, |
1108 | 128); | |
1109 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, | |
1110 | 128); | |
1da177e4 LT |
1111 | if ((err = hinfo->ops.open(hinfo, apcm->codec, substream)) < 0) { |
1112 | azx_release_device(azx_dev); | |
62932df8 | 1113 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1114 | return err; |
1115 | } | |
1116 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1117 | azx_dev->substream = substream; | |
1118 | azx_dev->running = 0; | |
1119 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1120 | ||
1121 | runtime->private_data = azx_dev; | |
62932df8 | 1122 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1123 | return 0; |
1124 | } | |
1125 | ||
a98f90fd | 1126 | static int azx_pcm_close(struct snd_pcm_substream *substream) |
1da177e4 LT |
1127 | { |
1128 | struct azx_pcm *apcm = snd_pcm_substream_chip(substream); | |
1129 | struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; | |
a98f90fd TI |
1130 | struct azx *chip = apcm->chip; |
1131 | struct azx_dev *azx_dev = get_azx_dev(substream); | |
1da177e4 LT |
1132 | unsigned long flags; |
1133 | ||
62932df8 | 1134 | mutex_lock(&chip->open_mutex); |
1da177e4 LT |
1135 | spin_lock_irqsave(&chip->reg_lock, flags); |
1136 | azx_dev->substream = NULL; | |
1137 | azx_dev->running = 0; | |
1138 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1139 | azx_release_device(azx_dev); | |
1140 | hinfo->ops.close(hinfo, apcm->codec, substream); | |
62932df8 | 1141 | mutex_unlock(&chip->open_mutex); |
1da177e4 LT |
1142 | return 0; |
1143 | } | |
1144 | ||
a98f90fd | 1145 | static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) |
1da177e4 LT |
1146 | { |
1147 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | |
1148 | } | |
1149 | ||
a98f90fd | 1150 | static int azx_pcm_hw_free(struct snd_pcm_substream *substream) |
1da177e4 LT |
1151 | { |
1152 | struct azx_pcm *apcm = snd_pcm_substream_chip(substream); | |
a98f90fd | 1153 | struct azx_dev *azx_dev = get_azx_dev(substream); |
1da177e4 LT |
1154 | struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; |
1155 | ||
1156 | /* reset BDL address */ | |
1157 | azx_sd_writel(azx_dev, SD_BDLPL, 0); | |
1158 | azx_sd_writel(azx_dev, SD_BDLPU, 0); | |
1159 | azx_sd_writel(azx_dev, SD_CTL, 0); | |
1160 | ||
1161 | hinfo->ops.cleanup(hinfo, apcm->codec, substream); | |
1162 | ||
1163 | return snd_pcm_lib_free_pages(substream); | |
1164 | } | |
1165 | ||
a98f90fd | 1166 | static int azx_pcm_prepare(struct snd_pcm_substream *substream) |
1da177e4 LT |
1167 | { |
1168 | struct azx_pcm *apcm = snd_pcm_substream_chip(substream); | |
a98f90fd TI |
1169 | struct azx *chip = apcm->chip; |
1170 | struct azx_dev *azx_dev = get_azx_dev(substream); | |
1da177e4 | 1171 | struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; |
a98f90fd | 1172 | struct snd_pcm_runtime *runtime = substream->runtime; |
1da177e4 LT |
1173 | |
1174 | azx_dev->bufsize = snd_pcm_lib_buffer_bytes(substream); | |
1175 | azx_dev->fragsize = snd_pcm_lib_period_bytes(substream); | |
1176 | azx_dev->frags = azx_dev->bufsize / azx_dev->fragsize; | |
1177 | azx_dev->format_val = snd_hda_calc_stream_format(runtime->rate, | |
1178 | runtime->channels, | |
1179 | runtime->format, | |
1180 | hinfo->maxbps); | |
1181 | if (! azx_dev->format_val) { | |
1182 | snd_printk(KERN_ERR SFX "invalid format_val, rate=%d, ch=%d, format=%d\n", | |
1183 | runtime->rate, runtime->channels, runtime->format); | |
1184 | return -EINVAL; | |
1185 | } | |
1186 | ||
1187 | snd_printdd("azx_pcm_prepare: bufsize=0x%x, fragsize=0x%x, format=0x%x\n", | |
1188 | azx_dev->bufsize, azx_dev->fragsize, azx_dev->format_val); | |
1189 | azx_setup_periods(azx_dev); | |
1190 | azx_setup_controller(chip, azx_dev); | |
1191 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
1192 | azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1; | |
1193 | else | |
1194 | azx_dev->fifo_size = 0; | |
1195 | ||
1196 | return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag, | |
1197 | azx_dev->format_val, substream); | |
1198 | } | |
1199 | ||
a98f90fd | 1200 | static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
1da177e4 LT |
1201 | { |
1202 | struct azx_pcm *apcm = snd_pcm_substream_chip(substream); | |
a98f90fd TI |
1203 | struct azx_dev *azx_dev = get_azx_dev(substream); |
1204 | struct azx *chip = apcm->chip; | |
1da177e4 LT |
1205 | int err = 0; |
1206 | ||
1207 | spin_lock(&chip->reg_lock); | |
1208 | switch (cmd) { | |
1209 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
1210 | case SNDRV_PCM_TRIGGER_RESUME: | |
1211 | case SNDRV_PCM_TRIGGER_START: | |
1212 | azx_stream_start(chip, azx_dev); | |
1213 | azx_dev->running = 1; | |
1214 | break; | |
1215 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
47123197 | 1216 | case SNDRV_PCM_TRIGGER_SUSPEND: |
1da177e4 LT |
1217 | case SNDRV_PCM_TRIGGER_STOP: |
1218 | azx_stream_stop(chip, azx_dev); | |
1219 | azx_dev->running = 0; | |
1220 | break; | |
1221 | default: | |
1222 | err = -EINVAL; | |
1223 | } | |
1224 | spin_unlock(&chip->reg_lock); | |
1225 | if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH || | |
47123197 | 1226 | cmd == SNDRV_PCM_TRIGGER_SUSPEND || |
1da177e4 LT |
1227 | cmd == SNDRV_PCM_TRIGGER_STOP) { |
1228 | int timeout = 5000; | |
1229 | while (azx_sd_readb(azx_dev, SD_CTL) & SD_CTL_DMA_START && --timeout) | |
1230 | ; | |
1231 | } | |
1232 | return err; | |
1233 | } | |
1234 | ||
a98f90fd | 1235 | static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream) |
1da177e4 | 1236 | { |
c74db86b | 1237 | struct azx_pcm *apcm = snd_pcm_substream_chip(substream); |
a98f90fd TI |
1238 | struct azx *chip = apcm->chip; |
1239 | struct azx_dev *azx_dev = get_azx_dev(substream); | |
1da177e4 LT |
1240 | unsigned int pos; |
1241 | ||
1a56f8d6 TI |
1242 | if (chip->position_fix == POS_FIX_POSBUF || |
1243 | chip->position_fix == POS_FIX_AUTO) { | |
c74db86b | 1244 | /* use the position buffer */ |
929861c6 | 1245 | pos = le32_to_cpu(*azx_dev->posbuf); |
1a56f8d6 TI |
1246 | if (chip->position_fix == POS_FIX_AUTO && |
1247 | azx_dev->period_intr == 1 && ! pos) { | |
1248 | printk(KERN_WARNING | |
1249 | "hda-intel: Invalid position buffer, " | |
1250 | "using LPIB read method instead.\n"); | |
1251 | chip->position_fix = POS_FIX_NONE; | |
1252 | goto read_lpib; | |
1253 | } | |
c74db86b | 1254 | } else { |
1a56f8d6 | 1255 | read_lpib: |
c74db86b TI |
1256 | /* read LPIB */ |
1257 | pos = azx_sd_readl(azx_dev, SD_LPIB); | |
1258 | if (chip->position_fix == POS_FIX_FIFO) | |
1259 | pos += azx_dev->fifo_size; | |
1260 | } | |
1da177e4 LT |
1261 | if (pos >= azx_dev->bufsize) |
1262 | pos = 0; | |
1263 | return bytes_to_frames(substream->runtime, pos); | |
1264 | } | |
1265 | ||
a98f90fd | 1266 | static struct snd_pcm_ops azx_pcm_ops = { |
1da177e4 LT |
1267 | .open = azx_pcm_open, |
1268 | .close = azx_pcm_close, | |
1269 | .ioctl = snd_pcm_lib_ioctl, | |
1270 | .hw_params = azx_pcm_hw_params, | |
1271 | .hw_free = azx_pcm_hw_free, | |
1272 | .prepare = azx_pcm_prepare, | |
1273 | .trigger = azx_pcm_trigger, | |
1274 | .pointer = azx_pcm_pointer, | |
1275 | }; | |
1276 | ||
a98f90fd | 1277 | static void azx_pcm_free(struct snd_pcm *pcm) |
1da177e4 LT |
1278 | { |
1279 | kfree(pcm->private_data); | |
1280 | } | |
1281 | ||
a98f90fd | 1282 | static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec, |
1da177e4 LT |
1283 | struct hda_pcm *cpcm, int pcm_dev) |
1284 | { | |
1285 | int err; | |
a98f90fd | 1286 | struct snd_pcm *pcm; |
1da177e4 LT |
1287 | struct azx_pcm *apcm; |
1288 | ||
e08a007d TI |
1289 | /* if no substreams are defined for both playback and capture, |
1290 | * it's just a placeholder. ignore it. | |
1291 | */ | |
1292 | if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) | |
1293 | return 0; | |
1294 | ||
1da177e4 LT |
1295 | snd_assert(cpcm->name, return -EINVAL); |
1296 | ||
1297 | err = snd_pcm_new(chip->card, cpcm->name, pcm_dev, | |
1298 | cpcm->stream[0].substreams, cpcm->stream[1].substreams, | |
1299 | &pcm); | |
1300 | if (err < 0) | |
1301 | return err; | |
1302 | strcpy(pcm->name, cpcm->name); | |
1303 | apcm = kmalloc(sizeof(*apcm), GFP_KERNEL); | |
1304 | if (apcm == NULL) | |
1305 | return -ENOMEM; | |
1306 | apcm->chip = chip; | |
1307 | apcm->codec = codec; | |
1308 | apcm->hinfo[0] = &cpcm->stream[0]; | |
1309 | apcm->hinfo[1] = &cpcm->stream[1]; | |
1310 | pcm->private_data = apcm; | |
1311 | pcm->private_free = azx_pcm_free; | |
1312 | if (cpcm->stream[0].substreams) | |
1313 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops); | |
1314 | if (cpcm->stream[1].substreams) | |
1315 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops); | |
1316 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
1317 | snd_dma_pci_data(chip->pci), | |
b66b3cfe | 1318 | 1024 * 64, 1024 * 1024); |
1da177e4 | 1319 | chip->pcm[pcm_dev] = pcm; |
e08a007d TI |
1320 | if (chip->pcm_devs < pcm_dev + 1) |
1321 | chip->pcm_devs = pcm_dev + 1; | |
1da177e4 LT |
1322 | |
1323 | return 0; | |
1324 | } | |
1325 | ||
a98f90fd | 1326 | static int __devinit azx_pcm_create(struct azx *chip) |
1da177e4 LT |
1327 | { |
1328 | struct list_head *p; | |
1329 | struct hda_codec *codec; | |
1330 | int c, err; | |
1331 | int pcm_dev; | |
1332 | ||
1333 | if ((err = snd_hda_build_pcms(chip->bus)) < 0) | |
1334 | return err; | |
1335 | ||
ec9e1c5c | 1336 | /* create audio PCMs */ |
1da177e4 LT |
1337 | pcm_dev = 0; |
1338 | list_for_each(p, &chip->bus->codec_list) { | |
1339 | codec = list_entry(p, struct hda_codec, list); | |
1340 | for (c = 0; c < codec->num_pcms; c++) { | |
ec9e1c5c TI |
1341 | if (codec->pcm_info[c].is_modem) |
1342 | continue; /* create later */ | |
1343 | if (pcm_dev >= AZX_MAX_AUDIO_PCMS) { | |
1344 | snd_printk(KERN_ERR SFX "Too many audio PCMs\n"); | |
1345 | return -EINVAL; | |
1346 | } | |
1347 | err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev); | |
1348 | if (err < 0) | |
1349 | return err; | |
1350 | pcm_dev++; | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | /* create modem PCMs */ | |
1355 | pcm_dev = AZX_MAX_AUDIO_PCMS; | |
1356 | list_for_each(p, &chip->bus->codec_list) { | |
1357 | codec = list_entry(p, struct hda_codec, list); | |
1358 | for (c = 0; c < codec->num_pcms; c++) { | |
1359 | if (! codec->pcm_info[c].is_modem) | |
1360 | continue; /* already created */ | |
a28f1cda | 1361 | if (pcm_dev >= AZX_MAX_PCMS) { |
ec9e1c5c | 1362 | snd_printk(KERN_ERR SFX "Too many modem PCMs\n"); |
1da177e4 LT |
1363 | return -EINVAL; |
1364 | } | |
1365 | err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev); | |
1366 | if (err < 0) | |
1367 | return err; | |
6632d198 | 1368 | chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM; |
1da177e4 LT |
1369 | pcm_dev++; |
1370 | } | |
1371 | } | |
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | /* | |
1376 | * mixer creation - all stuff is implemented in hda module | |
1377 | */ | |
a98f90fd | 1378 | static int __devinit azx_mixer_create(struct azx *chip) |
1da177e4 LT |
1379 | { |
1380 | return snd_hda_build_controls(chip->bus); | |
1381 | } | |
1382 | ||
1383 | ||
1384 | /* | |
1385 | * initialize SD streams | |
1386 | */ | |
a98f90fd | 1387 | static int __devinit azx_init_stream(struct azx *chip) |
1da177e4 LT |
1388 | { |
1389 | int i; | |
1390 | ||
1391 | /* initialize each stream (aka device) | |
1392 | * assign the starting bdl address to each stream (device) and initialize | |
1393 | */ | |
07e4ca50 | 1394 | for (i = 0; i < chip->num_streams; i++) { |
1da177e4 | 1395 | unsigned int off = sizeof(u32) * (i * AZX_MAX_FRAG * 4); |
a98f90fd | 1396 | struct azx_dev *azx_dev = &chip->azx_dev[i]; |
1da177e4 LT |
1397 | azx_dev->bdl = (u32 *)(chip->bdl.area + off); |
1398 | azx_dev->bdl_addr = chip->bdl.addr + off; | |
929861c6 | 1399 | azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8); |
1da177e4 LT |
1400 | /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */ |
1401 | azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80); | |
1402 | /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */ | |
1403 | azx_dev->sd_int_sta_mask = 1 << i; | |
1404 | /* stream tag: must be non-zero and unique */ | |
1405 | azx_dev->index = i; | |
1406 | azx_dev->stream_tag = i + 1; | |
1407 | } | |
1408 | ||
1409 | return 0; | |
1410 | } | |
1411 | ||
68e7fffc TI |
1412 | static int azx_acquire_irq(struct azx *chip, int do_disconnect) |
1413 | { | |
437a5a46 TI |
1414 | if (request_irq(chip->pci->irq, azx_interrupt, |
1415 | chip->msi ? 0 : IRQF_SHARED, | |
68e7fffc TI |
1416 | "HDA Intel", chip)) { |
1417 | printk(KERN_ERR "hda-intel: unable to grab IRQ %d, " | |
1418 | "disabling device\n", chip->pci->irq); | |
1419 | if (do_disconnect) | |
1420 | snd_card_disconnect(chip->card); | |
1421 | return -1; | |
1422 | } | |
1423 | chip->irq = chip->pci->irq; | |
69e13418 | 1424 | pci_intx(chip->pci, !chip->msi); |
68e7fffc TI |
1425 | return 0; |
1426 | } | |
1427 | ||
1da177e4 LT |
1428 | |
1429 | #ifdef CONFIG_PM | |
1430 | /* | |
1431 | * power management | |
1432 | */ | |
421a1252 | 1433 | static int azx_suspend(struct pci_dev *pci, pm_message_t state) |
1da177e4 | 1434 | { |
421a1252 TI |
1435 | struct snd_card *card = pci_get_drvdata(pci); |
1436 | struct azx *chip = card->private_data; | |
1da177e4 LT |
1437 | int i; |
1438 | ||
421a1252 | 1439 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1da177e4 | 1440 | for (i = 0; i < chip->pcm_devs; i++) |
421a1252 | 1441 | snd_pcm_suspend_all(chip->pcm[i]); |
1da177e4 | 1442 | snd_hda_suspend(chip->bus, state); |
111d3af5 | 1443 | azx_free_cmd_io(chip); |
30b35399 TI |
1444 | if (chip->irq >= 0) { |
1445 | synchronize_irq(chip->irq); | |
43001c95 | 1446 | free_irq(chip->irq, chip); |
30b35399 TI |
1447 | chip->irq = -1; |
1448 | } | |
68e7fffc | 1449 | if (chip->msi) |
43001c95 | 1450 | pci_disable_msi(chip->pci); |
421a1252 TI |
1451 | pci_disable_device(pci); |
1452 | pci_save_state(pci); | |
30b35399 | 1453 | pci_set_power_state(pci, pci_choose_state(pci, state)); |
1da177e4 LT |
1454 | return 0; |
1455 | } | |
1456 | ||
421a1252 | 1457 | static int azx_resume(struct pci_dev *pci) |
1da177e4 | 1458 | { |
421a1252 TI |
1459 | struct snd_card *card = pci_get_drvdata(pci); |
1460 | struct azx *chip = card->private_data; | |
1da177e4 | 1461 | |
30b35399 | 1462 | pci_set_power_state(pci, PCI_D0); |
421a1252 | 1463 | pci_restore_state(pci); |
30b35399 TI |
1464 | if (pci_enable_device(pci) < 0) { |
1465 | printk(KERN_ERR "hda-intel: pci_enable_device failed, " | |
1466 | "disabling device\n"); | |
1467 | snd_card_disconnect(card); | |
1468 | return -EIO; | |
1469 | } | |
1470 | pci_set_master(pci); | |
68e7fffc TI |
1471 | if (chip->msi) |
1472 | if (pci_enable_msi(pci) < 0) | |
1473 | chip->msi = 0; | |
1474 | if (azx_acquire_irq(chip, 1) < 0) | |
30b35399 | 1475 | return -EIO; |
1da177e4 LT |
1476 | azx_init_chip(chip); |
1477 | snd_hda_resume(chip->bus); | |
421a1252 | 1478 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1da177e4 LT |
1479 | return 0; |
1480 | } | |
1481 | #endif /* CONFIG_PM */ | |
1482 | ||
1483 | ||
1484 | /* | |
1485 | * destructor | |
1486 | */ | |
a98f90fd | 1487 | static int azx_free(struct azx *chip) |
1da177e4 | 1488 | { |
ce43fbae | 1489 | if (chip->initialized) { |
1da177e4 LT |
1490 | int i; |
1491 | ||
07e4ca50 | 1492 | for (i = 0; i < chip->num_streams; i++) |
1da177e4 LT |
1493 | azx_stream_stop(chip, &chip->azx_dev[i]); |
1494 | ||
1495 | /* disable interrupts */ | |
1496 | azx_int_disable(chip); | |
1497 | azx_int_clear(chip); | |
1498 | ||
1499 | /* disable CORB/RIRB */ | |
111d3af5 | 1500 | azx_free_cmd_io(chip); |
1da177e4 LT |
1501 | |
1502 | /* disable position buffer */ | |
1503 | azx_writel(chip, DPLBASE, 0); | |
1504 | azx_writel(chip, DPUBASE, 0); | |
1da177e4 LT |
1505 | } |
1506 | ||
7376d013 | 1507 | if (chip->irq >= 0) { |
30b35399 | 1508 | synchronize_irq(chip->irq); |
1da177e4 | 1509 | free_irq(chip->irq, (void*)chip); |
7376d013 | 1510 | } |
68e7fffc | 1511 | if (chip->msi) |
30b35399 | 1512 | pci_disable_msi(chip->pci); |
f079c25a TI |
1513 | if (chip->remap_addr) |
1514 | iounmap(chip->remap_addr); | |
1da177e4 LT |
1515 | |
1516 | if (chip->bdl.area) | |
1517 | snd_dma_free_pages(&chip->bdl); | |
1518 | if (chip->rb.area) | |
1519 | snd_dma_free_pages(&chip->rb); | |
1da177e4 LT |
1520 | if (chip->posbuf.area) |
1521 | snd_dma_free_pages(&chip->posbuf); | |
1da177e4 LT |
1522 | pci_release_regions(chip->pci); |
1523 | pci_disable_device(chip->pci); | |
07e4ca50 | 1524 | kfree(chip->azx_dev); |
1da177e4 LT |
1525 | kfree(chip); |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
a98f90fd | 1530 | static int azx_dev_free(struct snd_device *device) |
1da177e4 LT |
1531 | { |
1532 | return azx_free(device->device_data); | |
1533 | } | |
1534 | ||
3372a153 TI |
1535 | /* |
1536 | * white/black-listing for position_fix | |
1537 | */ | |
623ec047 | 1538 | static struct snd_pci_quirk position_fix_list[] __devinitdata = { |
3372a153 TI |
1539 | SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_NONE), |
1540 | {} | |
1541 | }; | |
1542 | ||
1543 | static int __devinit check_position_fix(struct azx *chip, int fix) | |
1544 | { | |
1545 | const struct snd_pci_quirk *q; | |
1546 | ||
1547 | if (fix == POS_FIX_AUTO) { | |
1548 | q = snd_pci_quirk_lookup(chip->pci, position_fix_list); | |
1549 | if (q) { | |
1550 | snd_printdd(KERN_INFO | |
1551 | "hda_intel: position_fix set to %d " | |
1552 | "for device %04x:%04x\n", | |
1553 | q->value, q->subvendor, q->subdevice); | |
1554 | return q->value; | |
1555 | } | |
1556 | } | |
1557 | return fix; | |
1558 | } | |
1559 | ||
1da177e4 LT |
1560 | /* |
1561 | * constructor | |
1562 | */ | |
a98f90fd | 1563 | static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, |
606ad75f | 1564 | int driver_type, |
a98f90fd | 1565 | struct azx **rchip) |
1da177e4 | 1566 | { |
a98f90fd | 1567 | struct azx *chip; |
927fc866 | 1568 | int err; |
a98f90fd | 1569 | static struct snd_device_ops ops = { |
1da177e4 LT |
1570 | .dev_free = azx_dev_free, |
1571 | }; | |
1572 | ||
1573 | *rchip = NULL; | |
1574 | ||
927fc866 PM |
1575 | err = pci_enable_device(pci); |
1576 | if (err < 0) | |
1da177e4 LT |
1577 | return err; |
1578 | ||
e560d8d8 | 1579 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
927fc866 | 1580 | if (!chip) { |
1da177e4 LT |
1581 | snd_printk(KERN_ERR SFX "cannot allocate chip\n"); |
1582 | pci_disable_device(pci); | |
1583 | return -ENOMEM; | |
1584 | } | |
1585 | ||
1586 | spin_lock_init(&chip->reg_lock); | |
62932df8 | 1587 | mutex_init(&chip->open_mutex); |
1da177e4 LT |
1588 | chip->card = card; |
1589 | chip->pci = pci; | |
1590 | chip->irq = -1; | |
07e4ca50 | 1591 | chip->driver_type = driver_type; |
134a11f0 | 1592 | chip->msi = enable_msi; |
1da177e4 | 1593 | |
3372a153 TI |
1594 | chip->position_fix = check_position_fix(chip, position_fix); |
1595 | ||
27346166 | 1596 | chip->single_cmd = single_cmd; |
c74db86b | 1597 | |
07e4ca50 TI |
1598 | #if BITS_PER_LONG != 64 |
1599 | /* Fix up base address on ULI M5461 */ | |
1600 | if (chip->driver_type == AZX_DRIVER_ULI) { | |
1601 | u16 tmp3; | |
1602 | pci_read_config_word(pci, 0x40, &tmp3); | |
1603 | pci_write_config_word(pci, 0x40, tmp3 | 0x10); | |
1604 | pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0); | |
1605 | } | |
1606 | #endif | |
1607 | ||
927fc866 PM |
1608 | err = pci_request_regions(pci, "ICH HD audio"); |
1609 | if (err < 0) { | |
1da177e4 LT |
1610 | kfree(chip); |
1611 | pci_disable_device(pci); | |
1612 | return err; | |
1613 | } | |
1614 | ||
927fc866 | 1615 | chip->addr = pci_resource_start(pci, 0); |
1da177e4 LT |
1616 | chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0)); |
1617 | if (chip->remap_addr == NULL) { | |
1618 | snd_printk(KERN_ERR SFX "ioremap error\n"); | |
1619 | err = -ENXIO; | |
1620 | goto errout; | |
1621 | } | |
1622 | ||
68e7fffc TI |
1623 | if (chip->msi) |
1624 | if (pci_enable_msi(pci) < 0) | |
1625 | chip->msi = 0; | |
7376d013 | 1626 | |
68e7fffc | 1627 | if (azx_acquire_irq(chip, 0) < 0) { |
1da177e4 LT |
1628 | err = -EBUSY; |
1629 | goto errout; | |
1630 | } | |
1da177e4 LT |
1631 | |
1632 | pci_set_master(pci); | |
1633 | synchronize_irq(chip->irq); | |
1634 | ||
07e4ca50 TI |
1635 | switch (chip->driver_type) { |
1636 | case AZX_DRIVER_ULI: | |
1637 | chip->playback_streams = ULI_NUM_PLAYBACK; | |
1638 | chip->capture_streams = ULI_NUM_CAPTURE; | |
1639 | chip->playback_index_offset = ULI_PLAYBACK_INDEX; | |
1640 | chip->capture_index_offset = ULI_CAPTURE_INDEX; | |
1641 | break; | |
778b6e1b FK |
1642 | case AZX_DRIVER_ATIHDMI: |
1643 | chip->playback_streams = ATIHDMI_NUM_PLAYBACK; | |
1644 | chip->capture_streams = ATIHDMI_NUM_CAPTURE; | |
1645 | chip->playback_index_offset = ATIHDMI_PLAYBACK_INDEX; | |
1646 | chip->capture_index_offset = ATIHDMI_CAPTURE_INDEX; | |
1647 | break; | |
07e4ca50 TI |
1648 | default: |
1649 | chip->playback_streams = ICH6_NUM_PLAYBACK; | |
1650 | chip->capture_streams = ICH6_NUM_CAPTURE; | |
1651 | chip->playback_index_offset = ICH6_PLAYBACK_INDEX; | |
1652 | chip->capture_index_offset = ICH6_CAPTURE_INDEX; | |
1653 | break; | |
1654 | } | |
1655 | chip->num_streams = chip->playback_streams + chip->capture_streams; | |
1656 | chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL); | |
927fc866 | 1657 | if (!chip->azx_dev) { |
07e4ca50 TI |
1658 | snd_printk(KERN_ERR "cannot malloc azx_dev\n"); |
1659 | goto errout; | |
1660 | } | |
1661 | ||
1da177e4 LT |
1662 | /* allocate memory for the BDL for each stream */ |
1663 | if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), | |
07e4ca50 | 1664 | BDL_SIZE, &chip->bdl)) < 0) { |
1da177e4 LT |
1665 | snd_printk(KERN_ERR SFX "cannot allocate BDL\n"); |
1666 | goto errout; | |
1667 | } | |
0be3b5d3 TI |
1668 | /* allocate memory for the position buffer */ |
1669 | if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), | |
1670 | chip->num_streams * 8, &chip->posbuf)) < 0) { | |
1671 | snd_printk(KERN_ERR SFX "cannot allocate posbuf\n"); | |
1672 | goto errout; | |
1da177e4 | 1673 | } |
1da177e4 | 1674 | /* allocate CORB/RIRB */ |
27346166 TI |
1675 | if (! chip->single_cmd) |
1676 | if ((err = azx_alloc_cmd_io(chip)) < 0) | |
1677 | goto errout; | |
1da177e4 LT |
1678 | |
1679 | /* initialize streams */ | |
1680 | azx_init_stream(chip); | |
1681 | ||
1682 | /* initialize chip */ | |
1683 | azx_init_chip(chip); | |
1684 | ||
ce43fbae TI |
1685 | chip->initialized = 1; |
1686 | ||
1da177e4 | 1687 | /* codec detection */ |
927fc866 | 1688 | if (!chip->codec_mask) { |
1da177e4 LT |
1689 | snd_printk(KERN_ERR SFX "no codecs found!\n"); |
1690 | err = -ENODEV; | |
1691 | goto errout; | |
1692 | } | |
1693 | ||
1694 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) <0) { | |
1695 | snd_printk(KERN_ERR SFX "Error creating device [card]!\n"); | |
1696 | goto errout; | |
1697 | } | |
1698 | ||
07e4ca50 TI |
1699 | strcpy(card->driver, "HDA-Intel"); |
1700 | strcpy(card->shortname, driver_short_names[chip->driver_type]); | |
1701 | sprintf(card->longname, "%s at 0x%lx irq %i", card->shortname, chip->addr, chip->irq); | |
1702 | ||
1da177e4 LT |
1703 | *rchip = chip; |
1704 | return 0; | |
1705 | ||
1706 | errout: | |
1707 | azx_free(chip); | |
1708 | return err; | |
1709 | } | |
1710 | ||
1711 | static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) | |
1712 | { | |
a98f90fd TI |
1713 | struct snd_card *card; |
1714 | struct azx *chip; | |
927fc866 | 1715 | int err; |
1da177e4 | 1716 | |
b7fe4622 | 1717 | card = snd_card_new(index, id, THIS_MODULE, 0); |
927fc866 | 1718 | if (!card) { |
1da177e4 LT |
1719 | snd_printk(KERN_ERR SFX "Error creating card!\n"); |
1720 | return -ENOMEM; | |
1721 | } | |
1722 | ||
927fc866 PM |
1723 | err = azx_create(card, pci, pci_id->driver_data, &chip); |
1724 | if (err < 0) { | |
1da177e4 LT |
1725 | snd_card_free(card); |
1726 | return err; | |
1727 | } | |
421a1252 | 1728 | card->private_data = chip; |
1da177e4 | 1729 | |
1da177e4 | 1730 | /* create codec instances */ |
b7fe4622 | 1731 | if ((err = azx_codec_create(chip, model)) < 0) { |
1da177e4 LT |
1732 | snd_card_free(card); |
1733 | return err; | |
1734 | } | |
1735 | ||
1736 | /* create PCM streams */ | |
1737 | if ((err = azx_pcm_create(chip)) < 0) { | |
1738 | snd_card_free(card); | |
1739 | return err; | |
1740 | } | |
1741 | ||
1742 | /* create mixer controls */ | |
1743 | if ((err = azx_mixer_create(chip)) < 0) { | |
1744 | snd_card_free(card); | |
1745 | return err; | |
1746 | } | |
1747 | ||
1da177e4 LT |
1748 | snd_card_set_dev(card, &pci->dev); |
1749 | ||
1750 | if ((err = snd_card_register(card)) < 0) { | |
1751 | snd_card_free(card); | |
1752 | return err; | |
1753 | } | |
1754 | ||
1755 | pci_set_drvdata(pci, card); | |
1da177e4 LT |
1756 | |
1757 | return err; | |
1758 | } | |
1759 | ||
1760 | static void __devexit azx_remove(struct pci_dev *pci) | |
1761 | { | |
1762 | snd_card_free(pci_get_drvdata(pci)); | |
1763 | pci_set_drvdata(pci, NULL); | |
1764 | } | |
1765 | ||
1766 | /* PCI IDs */ | |
f40b6890 | 1767 | static struct pci_device_id azx_ids[] = { |
07e4ca50 TI |
1768 | { 0x8086, 0x2668, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH6 */ |
1769 | { 0x8086, 0x27d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH7 */ | |
1770 | { 0x8086, 0x269a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ESB2 */ | |
d2981393 | 1771 | { 0x8086, 0x284b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH8 */ |
f9cc8a8b JG |
1772 | { 0x8086, 0x293e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */ |
1773 | { 0x8086, 0x293f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ICH }, /* ICH9 */ | |
07e4ca50 | 1774 | { 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */ |
89be83f8 | 1775 | { 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */ |
778b6e1b | 1776 | { 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */ |
5b15c95f | 1777 | { 0x1002, 0x7919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS690 HDMI */ |
e6db1119 WL |
1778 | { 0x1002, 0x960c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS780 HDMI */ |
1779 | { 0x1002, 0xaa00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI R600 HDMI */ | |
07e4ca50 TI |
1780 | { 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */ |
1781 | { 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */ | |
1782 | { 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */ | |
5b005a01 PC |
1783 | { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP51 */ |
1784 | { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP55 */ | |
1785 | { 0x10de, 0x03e4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */ | |
1786 | { 0x10de, 0x03f0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP61 */ | |
1787 | { 0x10de, 0x044a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */ | |
1788 | { 0x10de, 0x044b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP65 */ | |
1789 | { 0x10de, 0x055c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */ | |
1790 | { 0x10de, 0x055d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA MCP67 */ | |
1da177e4 LT |
1791 | { 0, } |
1792 | }; | |
1793 | MODULE_DEVICE_TABLE(pci, azx_ids); | |
1794 | ||
1795 | /* pci_driver definition */ | |
1796 | static struct pci_driver driver = { | |
1797 | .name = "HDA Intel", | |
1798 | .id_table = azx_ids, | |
1799 | .probe = azx_probe, | |
1800 | .remove = __devexit_p(azx_remove), | |
421a1252 TI |
1801 | #ifdef CONFIG_PM |
1802 | .suspend = azx_suspend, | |
1803 | .resume = azx_resume, | |
1804 | #endif | |
1da177e4 LT |
1805 | }; |
1806 | ||
1807 | static int __init alsa_card_azx_init(void) | |
1808 | { | |
01d25d46 | 1809 | return pci_register_driver(&driver); |
1da177e4 LT |
1810 | } |
1811 | ||
1812 | static void __exit alsa_card_azx_exit(void) | |
1813 | { | |
1814 | pci_unregister_driver(&driver); | |
1815 | } | |
1816 | ||
1817 | module_init(alsa_card_azx_init) | |
1818 | module_exit(alsa_card_azx_exit) |