include/sound/ac97_codec.h

1 /* SPDX-License-Identifier: GPL-2.0+
4  *  Universal interface for Audio Codec '97
24 /* specific - SigmaTel */
28 #define AC97_SIGMATEL_ANALOG	0x6c	/* Analog Special */
33 #define AC97_SIGMATEL_MULTICHN	0x74	/* Multi-Channel programming */
37 /* specific - Analog Devices */
41 #define AC97_AD_CODEC_CFG	0x70	/* codec configuration */
47 /* specific - Cirrus Logic */
56 /* specific - Conexant */
64 /* specific - ALC */
106 /* specific - Yamaha YMF7x3 */
110 /* specific - C-Media */
116 /* specific - wolfson */
124 /* ac97->scaps */
125 #define AC97_SCAP_AUDIO		(1<<0)	/* audio codec 97 */
126 #define AC97_SCAP_MODEM		(1<<1)	/* modem codec 97 */
129 #define AC97_SCAP_SKIP_AUDIO	(1<<4)	/* skip audio part of codec */
130 #define AC97_SCAP_SKIP_MODEM	(1<<5)	/* skip modem part of codec */
134 #define AC97_SCAP_NO_SPDIF	(1<<9)	/* don't build SPDIF controls */
136 #define AC97_SCAP_POWER_SAVE	(1<<11)	/* capable for aggressive power-saving */
138 /* ac97->flags */
140 #define AC97_AD_MULTI		(1<<1)	/* Analog Devices - multi codecs */
158 #define AC97_HAS_8CH		(1<<19) /* supports 8-channel output */
186 	void (*update_jacks) (struct snd_ac97 *ac97);	/* for jack-sharing */
199 	/* -- lowlevel (hardware) driver specific -- */
203 	/* --- */
214 	struct snd_ac97 *codec[4];  member
227 	struct pci_dev *pci;	/* assigned PCI device - used for quirks */
228 	unsigned short num;	/* number of codec: 0 = primary, 1 = secondary */
229 	unsigned short addr;	/* physical address of codec [0-3] */
235 	/* -- lowlevel (hardware) driver specific -- */
239 	/* --- */
241 	struct pci_dev *pci;	/* assigned PCI device - used for quirks */
247 	struct mutex page_mutex;	/* mutex for AD18xx multi-codecs and paging (2.3) */
248 	unsigned short num;	/* number of codec: 0 = primary, 1 = secondary */
249 	unsigned short addr;	/* physical address of codec [0-3] */
250 	unsigned int id;	/* identification of codec */
265 			unsigned short id[3];		// codec IDs (lower 16-bit word)
273 	/* jack-sharing info */
284 	struct snd_pcm_chmap *chmaps[2]; /* channel-maps (optional) */
292 	return (ac97->scaps & AC97_SCAP_AUDIO);  in ac97_is_audio()
296 	return (ac97->scaps & AC97_SCAP_MODEM);  in ac97_is_modem()
300 	return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22;  in ac97_is_rev22()
304 	return (ac97->ext_id & AC97_EI_AMAP) != 0;  in ac97_can_amap()
308 	return (ac97->ext_id & AC97_EI_SPDIF) != 0;  in ac97_can_spdif()
316 /* create mixer controls */
347 	AC97_TUNE_DEFAULT = -1,	/* use default from quirk list (not valid in list) */
349 	AC97_TUNE_HP_ONLY,	/* headphone (true line-out) control as master only */
350 	AC97_TUNE_SWAP_HP,	/* swap headphone and master controls */
351 	AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */
363 	unsigned int codec_id;	/* codec id (if any), 0 = accept all */
393 	unsigned short cur_dbl;		   /* current double-rate state */
399 		struct snd_ac97 *codec[4];	   /* allocated codecs */  member
418 	ac97->dev.platform_data = data;  in snd_ac97_dev_add_pdata()