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TOMOYO Linux Cross Reference
Linux/sound/pci/hda/hda_codec.h

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  1 /*
  2  * Universal Interface for Intel High Definition Audio Codec
  3  *
  4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
  5  *
  6  *  This program is free software; you can redistribute it and/or modify it
  7  *  under the terms of the GNU General Public License as published by the Free
  8  *  Software Foundation; either version 2 of the License, or (at your option)
  9  *  any later version.
 10  *
 11  *  This program is distributed in the hope that it will be useful, but WITHOUT
 12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 14  *  more details.
 15  *
 16  *  You should have received a copy of the GNU General Public License along with
 17  *  this program; if not, write to the Free Software Foundation, Inc., 59
 18  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 19  */
 20 
 21 #ifndef __SOUND_HDA_CODEC_H
 22 #define __SOUND_HDA_CODEC_H
 23 
 24 #include <sound/info.h>
 25 #include <sound/control.h>
 26 #include <sound/pcm.h>
 27 #include <sound/hwdep.h>
 28 
 29 /*
 30  * nodes
 31  */
 32 #define AC_NODE_ROOT            0x00
 33 
 34 /*
 35  * function group types
 36  */
 37 enum {
 38         AC_GRP_AUDIO_FUNCTION = 0x01,
 39         AC_GRP_MODEM_FUNCTION = 0x02,
 40 };
 41         
 42 /*
 43  * widget types
 44  */
 45 enum {
 46         AC_WID_AUD_OUT,         /* Audio Out */
 47         AC_WID_AUD_IN,          /* Audio In */
 48         AC_WID_AUD_MIX,         /* Audio Mixer */
 49         AC_WID_AUD_SEL,         /* Audio Selector */
 50         AC_WID_PIN,             /* Pin Complex */
 51         AC_WID_POWER,           /* Power */
 52         AC_WID_VOL_KNB,         /* Volume Knob */
 53         AC_WID_BEEP,            /* Beep Generator */
 54         AC_WID_VENDOR = 0x0f    /* Vendor specific */
 55 };
 56 
 57 /*
 58  * GET verbs
 59  */
 60 #define AC_VERB_GET_STREAM_FORMAT               0x0a00
 61 #define AC_VERB_GET_AMP_GAIN_MUTE               0x0b00
 62 #define AC_VERB_GET_PROC_COEF                   0x0c00
 63 #define AC_VERB_GET_COEF_INDEX                  0x0d00
 64 #define AC_VERB_PARAMETERS                      0x0f00
 65 #define AC_VERB_GET_CONNECT_SEL                 0x0f01
 66 #define AC_VERB_GET_CONNECT_LIST                0x0f02
 67 #define AC_VERB_GET_PROC_STATE                  0x0f03
 68 #define AC_VERB_GET_SDI_SELECT                  0x0f04
 69 #define AC_VERB_GET_POWER_STATE                 0x0f05
 70 #define AC_VERB_GET_CONV                        0x0f06
 71 #define AC_VERB_GET_PIN_WIDGET_CONTROL          0x0f07
 72 #define AC_VERB_GET_UNSOLICITED_RESPONSE        0x0f08
 73 #define AC_VERB_GET_PIN_SENSE                   0x0f09
 74 #define AC_VERB_GET_BEEP_CONTROL                0x0f0a
 75 #define AC_VERB_GET_EAPD_BTLENABLE              0x0f0c
 76 #define AC_VERB_GET_DIGI_CONVERT_1              0x0f0d
 77 #define AC_VERB_GET_DIGI_CONVERT_2              0x0f0e /* unused */
 78 #define AC_VERB_GET_VOLUME_KNOB_CONTROL         0x0f0f
 79 /* f10-f1a: GPIO */
 80 #define AC_VERB_GET_GPIO_DATA                   0x0f15
 81 #define AC_VERB_GET_GPIO_MASK                   0x0f16
 82 #define AC_VERB_GET_GPIO_DIRECTION              0x0f17
 83 #define AC_VERB_GET_GPIO_WAKE_MASK              0x0f18
 84 #define AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK   0x0f19
 85 #define AC_VERB_GET_GPIO_STICKY_MASK            0x0f1a
 86 #define AC_VERB_GET_CONFIG_DEFAULT              0x0f1c
 87 /* f20: AFG/MFG */
 88 #define AC_VERB_GET_SUBSYSTEM_ID                0x0f20
 89 #define AC_VERB_GET_CVT_CHAN_COUNT              0x0f2d
 90 #define AC_VERB_GET_HDMI_DIP_SIZE               0x0f2e
 91 #define AC_VERB_GET_HDMI_ELDD                   0x0f2f
 92 #define AC_VERB_GET_HDMI_DIP_INDEX              0x0f30
 93 #define AC_VERB_GET_HDMI_DIP_DATA               0x0f31
 94 #define AC_VERB_GET_HDMI_DIP_XMIT               0x0f32
 95 #define AC_VERB_GET_HDMI_CP_CTRL                0x0f33
 96 #define AC_VERB_GET_HDMI_CHAN_SLOT              0x0f34
 97 
 98 /*
 99  * SET verbs
100  */
101 #define AC_VERB_SET_STREAM_FORMAT               0x200
102 #define AC_VERB_SET_AMP_GAIN_MUTE               0x300
103 #define AC_VERB_SET_PROC_COEF                   0x400
104 #define AC_VERB_SET_COEF_INDEX                  0x500
105 #define AC_VERB_SET_CONNECT_SEL                 0x701
106 #define AC_VERB_SET_PROC_STATE                  0x703
107 #define AC_VERB_SET_SDI_SELECT                  0x704
108 #define AC_VERB_SET_POWER_STATE                 0x705
109 #define AC_VERB_SET_CHANNEL_STREAMID            0x706
110 #define AC_VERB_SET_PIN_WIDGET_CONTROL          0x707
111 #define AC_VERB_SET_UNSOLICITED_ENABLE          0x708
112 #define AC_VERB_SET_PIN_SENSE                   0x709
113 #define AC_VERB_SET_BEEP_CONTROL                0x70a
114 #define AC_VERB_SET_EAPD_BTLENABLE              0x70c
115 #define AC_VERB_SET_DIGI_CONVERT_1              0x70d
116 #define AC_VERB_SET_DIGI_CONVERT_2              0x70e
117 #define AC_VERB_SET_VOLUME_KNOB_CONTROL         0x70f
118 #define AC_VERB_SET_GPIO_DATA                   0x715
119 #define AC_VERB_SET_GPIO_MASK                   0x716
120 #define AC_VERB_SET_GPIO_DIRECTION              0x717
121 #define AC_VERB_SET_GPIO_WAKE_MASK              0x718
122 #define AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK   0x719
123 #define AC_VERB_SET_GPIO_STICKY_MASK            0x71a
124 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0      0x71c
125 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1      0x71d
126 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2      0x71e
127 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3      0x71f
128 #define AC_VERB_SET_EAPD                                0x788
129 #define AC_VERB_SET_CODEC_RESET                 0x7ff
130 #define AC_VERB_SET_CVT_CHAN_COUNT              0x72d
131 #define AC_VERB_SET_HDMI_DIP_INDEX              0x730
132 #define AC_VERB_SET_HDMI_DIP_DATA               0x731
133 #define AC_VERB_SET_HDMI_DIP_XMIT               0x732
134 #define AC_VERB_SET_HDMI_CP_CTRL                0x733
135 #define AC_VERB_SET_HDMI_CHAN_SLOT              0x734
136 
137 /*
138  * Parameter IDs
139  */
140 #define AC_PAR_VENDOR_ID                0x00
141 #define AC_PAR_SUBSYSTEM_ID             0x01
142 #define AC_PAR_REV_ID                   0x02
143 #define AC_PAR_NODE_COUNT               0x04
144 #define AC_PAR_FUNCTION_TYPE            0x05
145 #define AC_PAR_AUDIO_FG_CAP             0x08
146 #define AC_PAR_AUDIO_WIDGET_CAP         0x09
147 #define AC_PAR_PCM                      0x0a
148 #define AC_PAR_STREAM                   0x0b
149 #define AC_PAR_PIN_CAP                  0x0c
150 #define AC_PAR_AMP_IN_CAP               0x0d
151 #define AC_PAR_CONNLIST_LEN             0x0e
152 #define AC_PAR_POWER_STATE              0x0f
153 #define AC_PAR_PROC_CAP                 0x10
154 #define AC_PAR_GPIO_CAP                 0x11
155 #define AC_PAR_AMP_OUT_CAP              0x12
156 #define AC_PAR_VOL_KNB_CAP              0x13
157 #define AC_PAR_HDMI_LPCM_CAP            0x20
158 
159 /*
160  * AC_VERB_PARAMETERS results (32bit)
161  */
162 
163 /* Function Group Type */
164 #define AC_FGT_TYPE                     (0xff<<0)
165 #define AC_FGT_TYPE_SHIFT               0
166 #define AC_FGT_UNSOL_CAP                (1<<8)
167 
168 /* Audio Function Group Capabilities */
169 #define AC_AFG_OUT_DELAY                (0xf<<0)
170 #define AC_AFG_IN_DELAY                 (0xf<<8)
171 #define AC_AFG_BEEP_GEN                 (1<<16)
172 
173 /* Audio Widget Capabilities */
174 #define AC_WCAP_STEREO                  (1<<0)  /* stereo I/O */
175 #define AC_WCAP_IN_AMP                  (1<<1)  /* AMP-in present */
176 #define AC_WCAP_OUT_AMP                 (1<<2)  /* AMP-out present */
177 #define AC_WCAP_AMP_OVRD                (1<<3)  /* AMP-parameter override */
178 #define AC_WCAP_FORMAT_OVRD             (1<<4)  /* format override */
179 #define AC_WCAP_STRIPE                  (1<<5)  /* stripe */
180 #define AC_WCAP_PROC_WID                (1<<6)  /* Proc Widget */
181 #define AC_WCAP_UNSOL_CAP               (1<<7)  /* Unsol capable */
182 #define AC_WCAP_CONN_LIST               (1<<8)  /* connection list */
183 #define AC_WCAP_DIGITAL                 (1<<9)  /* digital I/O */
184 #define AC_WCAP_POWER                   (1<<10) /* power control */
185 #define AC_WCAP_LR_SWAP                 (1<<11) /* L/R swap */
186 #define AC_WCAP_CP_CAPS                 (1<<12) /* content protection */
187 #define AC_WCAP_CHAN_CNT_EXT            (7<<13) /* channel count ext */
188 #define AC_WCAP_DELAY                   (0xf<<16)
189 #define AC_WCAP_DELAY_SHIFT             16
190 #define AC_WCAP_TYPE                    (0xf<<20)
191 #define AC_WCAP_TYPE_SHIFT              20
192 
193 /* supported PCM rates and bits */
194 #define AC_SUPPCM_RATES                 (0xfff << 0)
195 #define AC_SUPPCM_BITS_8                (1<<16)
196 #define AC_SUPPCM_BITS_16               (1<<17)
197 #define AC_SUPPCM_BITS_20               (1<<18)
198 #define AC_SUPPCM_BITS_24               (1<<19)
199 #define AC_SUPPCM_BITS_32               (1<<20)
200 
201 /* supported PCM stream format */
202 #define AC_SUPFMT_PCM                   (1<<0)
203 #define AC_SUPFMT_FLOAT32               (1<<1)
204 #define AC_SUPFMT_AC3                   (1<<2)
205 
206 /* GP I/O count */
207 #define AC_GPIO_IO_COUNT                (0xff<<0)
208 #define AC_GPIO_O_COUNT                 (0xff<<8)
209 #define AC_GPIO_O_COUNT_SHIFT           8
210 #define AC_GPIO_I_COUNT                 (0xff<<16)
211 #define AC_GPIO_I_COUNT_SHIFT           16
212 #define AC_GPIO_UNSOLICITED             (1<<30)
213 #define AC_GPIO_WAKE                    (1<<31)
214 
215 /* Converter stream, channel */
216 #define AC_CONV_CHANNEL                 (0xf<<0)
217 #define AC_CONV_STREAM                  (0xf<<4)
218 #define AC_CONV_STREAM_SHIFT            4
219 
220 /* Input converter SDI select */
221 #define AC_SDI_SELECT                   (0xf<<0)
222 
223 /* stream format id */
224 #define AC_FMT_CHAN_SHIFT               0
225 #define AC_FMT_CHAN_MASK                (0x0f << 0)
226 #define AC_FMT_BITS_SHIFT               4
227 #define AC_FMT_BITS_MASK                (7 << 4)
228 #define AC_FMT_BITS_8                   (0 << 4)
229 #define AC_FMT_BITS_16                  (1 << 4)
230 #define AC_FMT_BITS_20                  (2 << 4)
231 #define AC_FMT_BITS_24                  (3 << 4)
232 #define AC_FMT_BITS_32                  (4 << 4)
233 #define AC_FMT_DIV_SHIFT                8
234 #define AC_FMT_DIV_MASK                 (7 << 8)
235 #define AC_FMT_MULT_SHIFT               11
236 #define AC_FMT_MULT_MASK                (7 << 11)
237 #define AC_FMT_BASE_SHIFT               14
238 #define AC_FMT_BASE_48K                 (0 << 14)
239 #define AC_FMT_BASE_44K                 (1 << 14)
240 #define AC_FMT_TYPE_SHIFT               15
241 #define AC_FMT_TYPE_PCM                 (0 << 15)
242 #define AC_FMT_TYPE_NON_PCM             (1 << 15)
243 
244 /* Unsolicited response control */
245 #define AC_UNSOL_TAG                    (0x3f<<0)
246 #define AC_UNSOL_ENABLED                (1<<7)
247 #define AC_USRSP_EN                     AC_UNSOL_ENABLED
248 
249 /* Unsolicited responses */
250 #define AC_UNSOL_RES_TAG                (0x3f<<26)
251 #define AC_UNSOL_RES_TAG_SHIFT          26
252 #define AC_UNSOL_RES_SUBTAG             (0x1f<<21)
253 #define AC_UNSOL_RES_SUBTAG_SHIFT       21
254 #define AC_UNSOL_RES_ELDV               (1<<1)  /* ELD Data valid (for HDMI) */
255 #define AC_UNSOL_RES_PD                 (1<<0)  /* pinsense detect */
256 #define AC_UNSOL_RES_CP_STATE           (1<<1)  /* content protection */
257 #define AC_UNSOL_RES_CP_READY           (1<<0)  /* content protection */
258 
259 /* Pin widget capabilies */
260 #define AC_PINCAP_IMP_SENSE             (1<<0)  /* impedance sense capable */
261 #define AC_PINCAP_TRIG_REQ              (1<<1)  /* trigger required */
262 #define AC_PINCAP_PRES_DETECT           (1<<2)  /* presence detect capable */
263 #define AC_PINCAP_HP_DRV                (1<<3)  /* headphone drive capable */
264 #define AC_PINCAP_OUT                   (1<<4)  /* output capable */
265 #define AC_PINCAP_IN                    (1<<5)  /* input capable */
266 #define AC_PINCAP_BALANCE               (1<<6)  /* balanced I/O capable */
267 /* Note: This LR_SWAP pincap is defined in the Realtek ALC883 specification,
268  *       but is marked reserved in the Intel HDA specification.
269  */
270 #define AC_PINCAP_LR_SWAP               (1<<7)  /* L/R swap */
271 /* Note: The same bit as LR_SWAP is newly defined as HDMI capability
272  *       in HD-audio specification
273  */
274 #define AC_PINCAP_HDMI                  (1<<7)  /* HDMI pin */
275 #define AC_PINCAP_DP                    (1<<24) /* DisplayPort pin, can
276                                                  * coexist with AC_PINCAP_HDMI
277                                                  */
278 #define AC_PINCAP_VREF                  (0x37<<8)
279 #define AC_PINCAP_VREF_SHIFT            8
280 #define AC_PINCAP_EAPD                  (1<<16) /* EAPD capable */
281 #define AC_PINCAP_HBR                   (1<<27) /* High Bit Rate */
282 /* Vref status (used in pin cap) */
283 #define AC_PINCAP_VREF_HIZ              (1<<0)  /* Hi-Z */
284 #define AC_PINCAP_VREF_50               (1<<1)  /* 50% */
285 #define AC_PINCAP_VREF_GRD              (1<<2)  /* ground */
286 #define AC_PINCAP_VREF_80               (1<<4)  /* 80% */
287 #define AC_PINCAP_VREF_100              (1<<5)  /* 100% */
288 
289 /* Amplifier capabilities */
290 #define AC_AMPCAP_OFFSET                (0x7f<<0)  /* 0dB offset */
291 #define AC_AMPCAP_OFFSET_SHIFT          0
292 #define AC_AMPCAP_NUM_STEPS             (0x7f<<8)  /* number of steps */
293 #define AC_AMPCAP_NUM_STEPS_SHIFT       8
294 #define AC_AMPCAP_STEP_SIZE             (0x7f<<16) /* step size 0-32dB
295                                                     * in 0.25dB
296                                                     */
297 #define AC_AMPCAP_STEP_SIZE_SHIFT       16
298 #define AC_AMPCAP_MUTE                  (1<<31)    /* mute capable */
299 #define AC_AMPCAP_MUTE_SHIFT            31
300 
301 /* driver-specific amp-caps: using bits 24-30 */
302 #define AC_AMPCAP_MIN_MUTE              (1 << 30) /* min-volume = mute */
303 
304 /* Connection list */
305 #define AC_CLIST_LENGTH                 (0x7f<<0)
306 #define AC_CLIST_LONG                   (1<<7)
307 
308 /* Supported power status */
309 #define AC_PWRST_D0SUP                  (1<<0)
310 #define AC_PWRST_D1SUP                  (1<<1)
311 #define AC_PWRST_D2SUP                  (1<<2)
312 #define AC_PWRST_D3SUP                  (1<<3)
313 #define AC_PWRST_D3COLDSUP              (1<<4)
314 #define AC_PWRST_S3D3COLDSUP            (1<<29)
315 #define AC_PWRST_CLKSTOP                (1<<30)
316 #define AC_PWRST_EPSS                   (1U<<31)
317 
318 /* Power state values */
319 #define AC_PWRST_SETTING                (0xf<<0)
320 #define AC_PWRST_ACTUAL                 (0xf<<4)
321 #define AC_PWRST_ACTUAL_SHIFT           4
322 #define AC_PWRST_D0                     0x00
323 #define AC_PWRST_D1                     0x01
324 #define AC_PWRST_D2                     0x02
325 #define AC_PWRST_D3                     0x03
326 
327 /* Processing capabilies */
328 #define AC_PCAP_BENIGN                  (1<<0)
329 #define AC_PCAP_NUM_COEF                (0xff<<8)
330 #define AC_PCAP_NUM_COEF_SHIFT          8
331 
332 /* Volume knobs capabilities */
333 #define AC_KNBCAP_NUM_STEPS             (0x7f<<0)
334 #define AC_KNBCAP_DELTA                 (1<<7)
335 
336 /* HDMI LPCM capabilities */
337 #define AC_LPCMCAP_48K_CP_CHNS          (0x0f<<0) /* max channels w/ CP-on */   
338 #define AC_LPCMCAP_48K_NO_CHNS          (0x0f<<4) /* max channels w/o CP-on */
339 #define AC_LPCMCAP_48K_20BIT            (1<<8)  /* 20b bitrate supported */
340 #define AC_LPCMCAP_48K_24BIT            (1<<9)  /* 24b bitrate supported */
341 #define AC_LPCMCAP_96K_CP_CHNS          (0x0f<<10) /* max channels w/ CP-on */  
342 #define AC_LPCMCAP_96K_NO_CHNS          (0x0f<<14) /* max channels w/o CP-on */
343 #define AC_LPCMCAP_96K_20BIT            (1<<18) /* 20b bitrate supported */
344 #define AC_LPCMCAP_96K_24BIT            (1<<19) /* 24b bitrate supported */
345 #define AC_LPCMCAP_192K_CP_CHNS         (0x0f<<20) /* max channels w/ CP-on */  
346 #define AC_LPCMCAP_192K_NO_CHNS         (0x0f<<24) /* max channels w/o CP-on */
347 #define AC_LPCMCAP_192K_20BIT           (1<<28) /* 20b bitrate supported */
348 #define AC_LPCMCAP_192K_24BIT           (1<<29) /* 24b bitrate supported */
349 #define AC_LPCMCAP_44K                  (1<<30) /* 44.1kHz support */
350 #define AC_LPCMCAP_44K_MS               (1<<31) /* 44.1kHz-multiplies support */
351 
352 /*
353  * Control Parameters
354  */
355 
356 /* Amp gain/mute */
357 #define AC_AMP_MUTE                     (1<<7)
358 #define AC_AMP_GAIN                     (0x7f)
359 #define AC_AMP_GET_INDEX                (0xf<<0)
360 
361 #define AC_AMP_GET_LEFT                 (1<<13)
362 #define AC_AMP_GET_RIGHT                (0<<13)
363 #define AC_AMP_GET_OUTPUT               (1<<15)
364 #define AC_AMP_GET_INPUT                (0<<15)
365 
366 #define AC_AMP_SET_INDEX                (0xf<<8)
367 #define AC_AMP_SET_INDEX_SHIFT          8
368 #define AC_AMP_SET_RIGHT                (1<<12)
369 #define AC_AMP_SET_LEFT                 (1<<13)
370 #define AC_AMP_SET_INPUT                (1<<14)
371 #define AC_AMP_SET_OUTPUT               (1<<15)
372 
373 /* DIGITAL1 bits */
374 #define AC_DIG1_ENABLE                  (1<<0)
375 #define AC_DIG1_V                       (1<<1)
376 #define AC_DIG1_VCFG                    (1<<2)
377 #define AC_DIG1_EMPHASIS                (1<<3)
378 #define AC_DIG1_COPYRIGHT               (1<<4)
379 #define AC_DIG1_NONAUDIO                (1<<5)
380 #define AC_DIG1_PROFESSIONAL            (1<<6)
381 #define AC_DIG1_LEVEL                   (1<<7)
382 
383 /* DIGITAL2 bits */
384 #define AC_DIG2_CC                      (0x7f<<0)
385 
386 /* Pin widget control - 8bit */
387 #define AC_PINCTL_EPT                   (0x3<<0)
388 #define AC_PINCTL_EPT_NATIVE            0
389 #define AC_PINCTL_EPT_HBR               3
390 #define AC_PINCTL_VREFEN                (0x7<<0)
391 #define AC_PINCTL_VREF_HIZ              0       /* Hi-Z */
392 #define AC_PINCTL_VREF_50               1       /* 50% */
393 #define AC_PINCTL_VREF_GRD              2       /* ground */
394 #define AC_PINCTL_VREF_80               4       /* 80% */
395 #define AC_PINCTL_VREF_100              5       /* 100% */
396 #define AC_PINCTL_IN_EN                 (1<<5)
397 #define AC_PINCTL_OUT_EN                (1<<6)
398 #define AC_PINCTL_HP_EN                 (1<<7)
399 
400 /* Pin sense - 32bit */
401 #define AC_PINSENSE_IMPEDANCE_MASK      (0x7fffffff)
402 #define AC_PINSENSE_PRESENCE            (1<<31)
403 #define AC_PINSENSE_ELDV                (1<<30) /* ELD valid (HDMI) */
404 
405 /* EAPD/BTL enable - 32bit */
406 #define AC_EAPDBTL_BALANCED             (1<<0)
407 #define AC_EAPDBTL_EAPD                 (1<<1)
408 #define AC_EAPDBTL_LR_SWAP              (1<<2)
409 
410 /* HDMI ELD data */
411 #define AC_ELDD_ELD_VALID               (1<<31)
412 #define AC_ELDD_ELD_DATA                0xff
413 
414 /* HDMI DIP size */
415 #define AC_DIPSIZE_ELD_BUF              (1<<3) /* ELD buf size of packet size */
416 #define AC_DIPSIZE_PACK_IDX             (0x07<<0) /* packet index */
417 
418 /* HDMI DIP index */
419 #define AC_DIPIDX_PACK_IDX              (0x07<<5) /* packet idnex */
420 #define AC_DIPIDX_BYTE_IDX              (0x1f<<0) /* byte index */
421 
422 /* HDMI DIP xmit (transmit) control */
423 #define AC_DIPXMIT_MASK                 (0x3<<6)
424 #define AC_DIPXMIT_DISABLE              (0x0<<6) /* disable xmit */
425 #define AC_DIPXMIT_ONCE                 (0x2<<6) /* xmit once then disable */
426 #define AC_DIPXMIT_BEST                 (0x3<<6) /* best effort */
427 
428 /* HDMI content protection (CP) control */
429 #define AC_CPCTRL_CES                   (1<<9) /* current encryption state */
430 #define AC_CPCTRL_READY                 (1<<8) /* ready bit */
431 #define AC_CPCTRL_SUBTAG                (0x1f<<3) /* subtag for unsol-resp */
432 #define AC_CPCTRL_STATE                 (3<<0) /* current CP request state */
433 
434 /* Converter channel <-> HDMI slot mapping */
435 #define AC_CVTMAP_HDMI_SLOT             (0xf<<0) /* HDMI slot number */
436 #define AC_CVTMAP_CHAN                  (0xf<<4) /* converter channel number */
437 
438 /* configuration default - 32bit */
439 #define AC_DEFCFG_SEQUENCE              (0xf<<0)
440 #define AC_DEFCFG_DEF_ASSOC             (0xf<<4)
441 #define AC_DEFCFG_ASSOC_SHIFT           4
442 #define AC_DEFCFG_MISC                  (0xf<<8)
443 #define AC_DEFCFG_MISC_SHIFT            8
444 #define AC_DEFCFG_MISC_NO_PRESENCE      (1<<0)
445 #define AC_DEFCFG_COLOR                 (0xf<<12)
446 #define AC_DEFCFG_COLOR_SHIFT           12
447 #define AC_DEFCFG_CONN_TYPE             (0xf<<16)
448 #define AC_DEFCFG_CONN_TYPE_SHIFT       16
449 #define AC_DEFCFG_DEVICE                (0xf<<20)
450 #define AC_DEFCFG_DEVICE_SHIFT          20
451 #define AC_DEFCFG_LOCATION              (0x3f<<24)
452 #define AC_DEFCFG_LOCATION_SHIFT        24
453 #define AC_DEFCFG_PORT_CONN             (0x3<<30)
454 #define AC_DEFCFG_PORT_CONN_SHIFT       30
455 
456 /* device device types (0x0-0xf) */
457 enum {
458         AC_JACK_LINE_OUT,
459         AC_JACK_SPEAKER,
460         AC_JACK_HP_OUT,
461         AC_JACK_CD,
462         AC_JACK_SPDIF_OUT,
463         AC_JACK_DIG_OTHER_OUT,
464         AC_JACK_MODEM_LINE_SIDE,
465         AC_JACK_MODEM_HAND_SIDE,
466         AC_JACK_LINE_IN,
467         AC_JACK_AUX,
468         AC_JACK_MIC_IN,
469         AC_JACK_TELEPHONY,
470         AC_JACK_SPDIF_IN,
471         AC_JACK_DIG_OTHER_IN,
472         AC_JACK_OTHER = 0xf,
473 };
474 
475 /* jack connection types (0x0-0xf) */
476 enum {
477         AC_JACK_CONN_UNKNOWN,
478         AC_JACK_CONN_1_8,
479         AC_JACK_CONN_1_4,
480         AC_JACK_CONN_ATAPI,
481         AC_JACK_CONN_RCA,
482         AC_JACK_CONN_OPTICAL,
483         AC_JACK_CONN_OTHER_DIGITAL,
484         AC_JACK_CONN_OTHER_ANALOG,
485         AC_JACK_CONN_DIN,
486         AC_JACK_CONN_XLR,
487         AC_JACK_CONN_RJ11,
488         AC_JACK_CONN_COMB,
489         AC_JACK_CONN_OTHER = 0xf,
490 };
491 
492 /* jack colors (0x0-0xf) */
493 enum {
494         AC_JACK_COLOR_UNKNOWN,
495         AC_JACK_COLOR_BLACK,
496         AC_JACK_COLOR_GREY,
497         AC_JACK_COLOR_BLUE,
498         AC_JACK_COLOR_GREEN,
499         AC_JACK_COLOR_RED,
500         AC_JACK_COLOR_ORANGE,
501         AC_JACK_COLOR_YELLOW,
502         AC_JACK_COLOR_PURPLE,
503         AC_JACK_COLOR_PINK,
504         AC_JACK_COLOR_WHITE = 0xe,
505         AC_JACK_COLOR_OTHER,
506 };
507 
508 /* Jack location (0x0-0x3f) */
509 /* common case */
510 enum {
511         AC_JACK_LOC_NONE,
512         AC_JACK_LOC_REAR,
513         AC_JACK_LOC_FRONT,
514         AC_JACK_LOC_LEFT,
515         AC_JACK_LOC_RIGHT,
516         AC_JACK_LOC_TOP,
517         AC_JACK_LOC_BOTTOM,
518 };
519 /* bits 4-5 */
520 enum {
521         AC_JACK_LOC_EXTERNAL = 0x00,
522         AC_JACK_LOC_INTERNAL = 0x10,
523         AC_JACK_LOC_SEPARATE = 0x20,
524         AC_JACK_LOC_OTHER    = 0x30,
525 };
526 enum {
527         /* external on primary chasis */
528         AC_JACK_LOC_REAR_PANEL = 0x07,
529         AC_JACK_LOC_DRIVE_BAY,
530         /* internal */
531         AC_JACK_LOC_RISER = 0x17,
532         AC_JACK_LOC_HDMI,
533         AC_JACK_LOC_ATAPI,
534         /* others */
535         AC_JACK_LOC_MOBILE_IN = 0x37,
536         AC_JACK_LOC_MOBILE_OUT,
537 };
538 
539 /* Port connectivity (0-3) */
540 enum {
541         AC_JACK_PORT_COMPLEX,
542         AC_JACK_PORT_NONE,
543         AC_JACK_PORT_FIXED,
544         AC_JACK_PORT_BOTH,
545 };
546 
547 /* max. connections to a widget */
548 #define HDA_MAX_CONNECTIONS     32
549 
550 /* max. codec address */
551 #define HDA_MAX_CODEC_ADDRESS   0x0f
552 
553 /*
554  * generic arrays
555  */
556 struct snd_array {
557         unsigned int used;
558         unsigned int alloced;
559         unsigned int elem_size;
560         unsigned int alloc_align;
561         void *list;
562 };
563 
564 void *snd_array_new(struct snd_array *array);
565 void snd_array_free(struct snd_array *array);
566 static inline void snd_array_init(struct snd_array *array, unsigned int size,
567                                   unsigned int align)
568 {
569         array->elem_size = size;
570         array->alloc_align = align;
571 }
572 
573 static inline void *snd_array_elem(struct snd_array *array, unsigned int idx)
574 {
575         return array->list + idx * array->elem_size;
576 }
577 
578 static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
579 {
580         return (unsigned long)(ptr - array->list) / array->elem_size;
581 }
582 
583 /*
584  * Structures
585  */
586 
587 struct hda_bus;
588 struct hda_beep;
589 struct hda_codec;
590 struct hda_pcm;
591 struct hda_pcm_stream;
592 struct hda_bus_unsolicited;
593 
594 /* NID type */
595 typedef u16 hda_nid_t;
596 
597 /* bus operators */
598 struct hda_bus_ops {
599         /* send a single command */
600         int (*command)(struct hda_bus *bus, unsigned int cmd);
601         /* get a response from the last command */
602         unsigned int (*get_response)(struct hda_bus *bus, unsigned int addr);
603         /* free the private data */
604         void (*private_free)(struct hda_bus *);
605         /* attach a PCM stream */
606         int (*attach_pcm)(struct hda_bus *bus, struct hda_codec *codec,
607                           struct hda_pcm *pcm);
608         /* reset bus for retry verb */
609         void (*bus_reset)(struct hda_bus *bus);
610 #ifdef CONFIG_SND_HDA_POWER_SAVE
611         /* notify power-up/down from codec to controller */
612         void (*pm_notify)(struct hda_bus *bus);
613 #endif
614 };
615 
616 /* template to pass to the bus constructor */
617 struct hda_bus_template {
618         void *private_data;
619         struct pci_dev *pci;
620         const char *modelname;
621         int *power_save;
622         struct hda_bus_ops ops;
623 };
624 
625 /*
626  * codec bus
627  *
628  * each controller needs to creata a hda_bus to assign the accessor.
629  * A hda_bus contains several codecs in the list codec_list.
630  */
631 struct hda_bus {
632         struct snd_card *card;
633 
634         /* copied from template */
635         void *private_data;
636         struct pci_dev *pci;
637         const char *modelname;
638         int *power_save;
639         struct hda_bus_ops ops;
640 
641         /* codec linked list */
642         struct list_head codec_list;
643         /* link caddr -> codec */
644         struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
645 
646         struct mutex cmd_mutex;
647         struct mutex prepare_mutex;
648 
649         /* unsolicited event queue */
650         struct hda_bus_unsolicited *unsol;
651         char workq_name[16];
652         struct workqueue_struct *workq; /* common workqueue for codecs */
653 
654         /* assigned PCMs */
655         DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
656 
657         /* misc op flags */
658         unsigned int needs_damn_long_delay :1;
659         unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
660         unsigned int sync_write:1;      /* sync after verb write */
661         /* status for codec/controller */
662         unsigned int shutdown :1;       /* being unloaded */
663         unsigned int rirb_error:1;      /* error in codec communication */
664         unsigned int response_reset:1;  /* controller was reset */
665         unsigned int in_reset:1;        /* during reset operation */
666         unsigned int power_keep_link_on:1; /* don't power off HDA link */
667 };
668 
669 /*
670  * codec preset
671  *
672  * Known codecs have the patch to build and set up the controls/PCMs
673  * better than the generic parser.
674  */
675 struct hda_codec_preset {
676         unsigned int id;
677         unsigned int mask;
678         unsigned int subs;
679         unsigned int subs_mask;
680         unsigned int rev;
681         hda_nid_t afg, mfg;
682         const char *name;
683         int (*patch)(struct hda_codec *codec);
684 };
685         
686 struct hda_codec_preset_list {
687         const struct hda_codec_preset *preset;
688         struct module *owner;
689         struct list_head list;
690 };
691 
692 /* initial hook */
693 int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset);
694 int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset);
695 
696 /* ops set by the preset patch */
697 struct hda_codec_ops {
698         int (*build_controls)(struct hda_codec *codec);
699         int (*build_pcms)(struct hda_codec *codec);
700         int (*init)(struct hda_codec *codec);
701         void (*free)(struct hda_codec *codec);
702         void (*unsol_event)(struct hda_codec *codec, unsigned int res);
703         void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
704                                 unsigned int power_state);
705 #ifdef CONFIG_PM
706         int (*suspend)(struct hda_codec *codec, pm_message_t state);
707         int (*post_suspend)(struct hda_codec *codec);
708         int (*pre_resume)(struct hda_codec *codec);
709         int (*resume)(struct hda_codec *codec);
710 #endif
711 #ifdef CONFIG_SND_HDA_POWER_SAVE
712         int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
713 #endif
714         void (*reboot_notify)(struct hda_codec *codec);
715 };
716 
717 /* record for amp information cache */
718 struct hda_cache_head {
719         u32 key;                /* hash key */
720         u16 val;                /* assigned value */
721         u16 next;               /* next link; -1 = terminal */
722 };
723 
724 struct hda_amp_info {
725         struct hda_cache_head head;
726         u32 amp_caps;           /* amp capabilities */
727         u16 vol[2];             /* current volume & mute */
728 };
729 
730 struct hda_cache_rec {
731         u16 hash[64];                   /* hash table for index */
732         struct snd_array buf;           /* record entries */
733 };
734 
735 /* PCM callbacks */
736 struct hda_pcm_ops {
737         int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
738                     struct snd_pcm_substream *substream);
739         int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
740                      struct snd_pcm_substream *substream);
741         int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
742                        unsigned int stream_tag, unsigned int format,
743                        struct snd_pcm_substream *substream);
744         int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
745                        struct snd_pcm_substream *substream);
746 };
747 
748 /* PCM information for each substream */
749 struct hda_pcm_stream {
750         unsigned int substreams;        /* number of substreams, 0 = not exist*/
751         unsigned int channels_min;      /* min. number of channels */
752         unsigned int channels_max;      /* max. number of channels */
753         hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
754         u32 rates;      /* supported rates */
755         u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
756         unsigned int maxbps;    /* supported max. bit per sample */
757         struct hda_pcm_ops ops;
758 };
759 
760 /* PCM types */
761 enum {
762         HDA_PCM_TYPE_AUDIO,
763         HDA_PCM_TYPE_SPDIF,
764         HDA_PCM_TYPE_HDMI,
765         HDA_PCM_TYPE_MODEM,
766         HDA_PCM_NTYPES
767 };
768 
769 /* for PCM creation */
770 struct hda_pcm {
771         char *name;
772         struct hda_pcm_stream stream[2];
773         unsigned int pcm_type;  /* HDA_PCM_TYPE_XXX */
774         int device;             /* device number to assign */
775         struct snd_pcm *pcm;    /* assigned PCM instance */
776 };
777 
778 /* codec information */
779 struct hda_codec {
780         struct hda_bus *bus;
781         unsigned int addr;      /* codec addr*/
782         struct list_head list;  /* list point */
783 
784         hda_nid_t afg;  /* AFG node id */
785         hda_nid_t mfg;  /* MFG node id */
786 
787         /* ids */
788         u8 afg_function_id;
789         u8 mfg_function_id;
790         u8 afg_unsol;
791         u8 mfg_unsol;
792         u32 vendor_id;
793         u32 subsystem_id;
794         u32 revision_id;
795 
796         /* detected preset */
797         const struct hda_codec_preset *preset;
798         struct module *owner;
799         const char *vendor_name;        /* codec vendor name */
800         const char *chip_name;          /* codec chip name */
801         const char *modelname;  /* model name for preset */
802 
803         /* set by patch */
804         struct hda_codec_ops patch_ops;
805 
806         /* PCM to create, set by patch_ops.build_pcms callback */
807         unsigned int num_pcms;
808         struct hda_pcm *pcm_info;
809 
810         /* codec specific info */
811         void *spec;
812 
813         /* beep device */
814         struct hda_beep *beep;
815         unsigned int beep_mode;
816 
817         /* widget capabilities cache */
818         unsigned int num_nodes;
819         hda_nid_t start_nid;
820         u32 *wcaps;
821 
822         struct snd_array mixers;        /* list of assigned mixer elements */
823         struct snd_array nids;          /* list of mapped mixer elements */
824 
825         struct hda_cache_rec amp_cache; /* cache for amp access */
826         struct hda_cache_rec cmd_cache; /* cache for other commands */
827 
828         struct snd_array conn_lists;    /* connection-list array */
829 
830         struct mutex spdif_mutex;
831         struct mutex control_mutex;
832         struct snd_array spdif_out;
833         unsigned int spdif_in_enable;   /* SPDIF input enable? */
834         const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
835         struct snd_array init_pins;     /* initial (BIOS) pin configurations */
836         struct snd_array driver_pins;   /* pin configs set by codec parser */
837         struct snd_array cvt_setups;    /* audio convert setups */
838 
839 #ifdef CONFIG_SND_HDA_HWDEP
840         struct snd_hwdep *hwdep;        /* assigned hwdep device */
841         struct snd_array init_verbs;    /* additional init verbs */
842         struct snd_array hints;         /* additional hints */
843         struct snd_array user_pins;     /* default pin configs to override */
844 #endif
845 
846         /* misc flags */
847         unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
848                                              * status change
849                                              * (e.g. Realtek codecs)
850                                              */
851         unsigned int pin_amp_workaround:1; /* pin out-amp takes index
852                                             * (e.g. Conexant codecs)
853                                             */
854         unsigned int single_adc_amp:1; /* adc in-amp takes no index
855                                         * (e.g. CX20549 codec)
856                                         */
857         unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
858         unsigned int pins_shutup:1;     /* pins are shut up */
859         unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
860         unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
861         unsigned int no_jack_detect:1;  /* Machine has no jack-detection */
862 #ifdef CONFIG_SND_HDA_POWER_SAVE
863         unsigned int power_on :1;       /* current (global) power-state */
864         unsigned int power_transition :1; /* power-state in transition */
865         int power_count;        /* current (global) power refcount */
866         struct delayed_work power_work; /* delayed task for powerdown */
867         unsigned long power_on_acct;
868         unsigned long power_off_acct;
869         unsigned long power_jiffies;
870 #endif
871 
872         /* codec-specific additional proc output */
873         void (*proc_widget_hook)(struct snd_info_buffer *buffer,
874                                  struct hda_codec *codec, hda_nid_t nid);
875 
876         /* jack detection */
877         struct snd_array jacktbl;
878 
879 #ifdef CONFIG_SND_HDA_INPUT_JACK
880         /* jack detection */
881         struct snd_array jacks;
882 #endif
883 };
884 
885 /* direction */
886 enum {
887         HDA_INPUT, HDA_OUTPUT
888 };
889 
890 
891 /*
892  * constructors
893  */
894 int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
895                     struct hda_bus **busp);
896 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
897                       struct hda_codec **codecp);
898 int snd_hda_codec_configure(struct hda_codec *codec);
899 
900 /*
901  * low level functions
902  */
903 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
904                                 int direct,
905                                 unsigned int verb, unsigned int parm);
906 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
907                         unsigned int verb, unsigned int parm);
908 #define snd_hda_param_read(codec, nid, param) \
909         snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
910 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
911                           hda_nid_t *start_id);
912 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
913                             hda_nid_t *conn_list, int max_conns);
914 int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
915                             hda_nid_t *conn_list, int max_conns);
916 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
917                           const hda_nid_t **listp);
918 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
919                           const hda_nid_t *list);
920 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
921                            hda_nid_t nid, int recursive);
922 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
923                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
924 
925 struct hda_verb {
926         hda_nid_t nid;
927         u32 verb;
928         u32 param;
929 };
930 
931 void snd_hda_sequence_write(struct hda_codec *codec,
932                             const struct hda_verb *seq);
933 
934 /* unsolicited event */
935 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
936 
937 /* cached write */
938 #ifdef CONFIG_PM
939 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
940                               int direct, unsigned int verb, unsigned int parm);
941 void snd_hda_sequence_write_cache(struct hda_codec *codec,
942                                   const struct hda_verb *seq);
943 int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid,
944                               int direct, unsigned int verb, unsigned int parm);
945 void snd_hda_codec_resume_cache(struct hda_codec *codec);
946 #else
947 #define snd_hda_codec_write_cache       snd_hda_codec_write
948 #define snd_hda_codec_update_cache      snd_hda_codec_write
949 #define snd_hda_sequence_write_cache    snd_hda_sequence_write
950 #endif
951 
952 /* the struct for codec->pin_configs */
953 struct hda_pincfg {
954         hda_nid_t nid;
955         unsigned char ctrl;     /* current pin control value */
956         unsigned char pad;      /* reserved */
957         unsigned int cfg;       /* default configuration */
958 };
959 
960 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
961 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
962                              unsigned int cfg);
963 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
964                        hda_nid_t nid, unsigned int cfg); /* for hwdep */
965 void snd_hda_shutup_pins(struct hda_codec *codec);
966 
967 /* SPDIF controls */
968 struct hda_spdif_out {
969         hda_nid_t nid;          /* Converter nid values relate to */
970         unsigned int status;    /* IEC958 status bits */
971         unsigned short ctls;    /* SPDIF control bits */
972 };
973 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
974                                                hda_nid_t nid);
975 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
976 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
977 
978 /*
979  * Mixer
980  */
981 int snd_hda_build_controls(struct hda_bus *bus);
982 int snd_hda_codec_build_controls(struct hda_codec *codec);
983 
984 /*
985  * PCM
986  */
987 int snd_hda_build_pcms(struct hda_bus *bus);
988 int snd_hda_codec_build_pcms(struct hda_codec *codec);
989 
990 int snd_hda_codec_prepare(struct hda_codec *codec,
991                           struct hda_pcm_stream *hinfo,
992                           unsigned int stream,
993                           unsigned int format,
994                           struct snd_pcm_substream *substream);
995 void snd_hda_codec_cleanup(struct hda_codec *codec,
996                            struct hda_pcm_stream *hinfo,
997                            struct snd_pcm_substream *substream);
998 
999 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1000                                 u32 stream_tag,
1001                                 int channel_id, int format);
1002 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1003                                     int do_now);
1004 #define snd_hda_codec_cleanup_stream(codec, nid) \
1005         __snd_hda_codec_cleanup_stream(codec, nid, 0)
1006 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1007                                         unsigned int channels,
1008                                         unsigned int format,
1009                                         unsigned int maxbps,
1010                                         unsigned short spdif_ctls);
1011 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1012                                 unsigned int format);
1013 
1014 /*
1015  * Misc
1016  */
1017 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
1018 void snd_hda_bus_reboot_notify(struct hda_bus *bus);
1019 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
1020                                     unsigned int power_state,
1021                                     bool eapd_workaround);
1022 
1023 /*
1024  * power management
1025  */
1026 #ifdef CONFIG_PM
1027 int snd_hda_suspend(struct hda_bus *bus);
1028 int snd_hda_resume(struct hda_bus *bus);
1029 #endif
1030 
1031 static inline
1032 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
1033 {
1034 #ifdef CONFIG_SND_HDA_POWER_SAVE
1035         if (codec->patch_ops.check_power_status)
1036                 return codec->patch_ops.check_power_status(codec, nid);
1037 #endif
1038         return 0;
1039 }
1040 
1041 /*
1042  * get widget information
1043  */
1044 const char *snd_hda_get_jack_connectivity(u32 cfg);
1045 const char *snd_hda_get_jack_type(u32 cfg);
1046 const char *snd_hda_get_jack_location(u32 cfg);
1047 
1048 /*
1049  * power saving
1050  */
1051 #ifdef CONFIG_SND_HDA_POWER_SAVE
1052 void snd_hda_power_up(struct hda_codec *codec);
1053 void snd_hda_power_down(struct hda_codec *codec);
1054 #define snd_hda_codec_needs_resume(codec) codec->power_count
1055 void snd_hda_update_power_acct(struct hda_codec *codec);
1056 #else
1057 static inline void snd_hda_power_up(struct hda_codec *codec) {}
1058 static inline void snd_hda_power_down(struct hda_codec *codec) {}
1059 #define snd_hda_codec_needs_resume(codec) 1
1060 #endif
1061 
1062 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1063 /*
1064  * patch firmware
1065  */
1066 int snd_hda_load_patch(struct hda_bus *bus, const char *patch);
1067 #endif
1068 
1069 /*
1070  * Codec modularization
1071  */
1072 
1073 /* Export symbols only for communication with codec drivers;
1074  * When built in kernel, all HD-audio drivers are supposed to be statically
1075  * linked to the kernel.  Thus, the symbols don't have to (or shouldn't) be
1076  * exported unless it's built as a module.
1077  */
1078 #ifdef MODULE
1079 #define EXPORT_SYMBOL_HDA(sym) EXPORT_SYMBOL_GPL(sym)
1080 #else
1081 #define EXPORT_SYMBOL_HDA(sym)
1082 #endif
1083 
1084 #endif /* __SOUND_HDA_CODEC_H */
1085 

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