-typedef struct _snd_ac97_bus ac97_bus_t;
-typedef struct _snd_ac97_bus_ops ac97_bus_ops_t;
-typedef struct _snd_ac97_template ac97_template_t;
-typedef struct _snd_ac97 ac97_t;
-
-enum ac97_pcm_cfg {
- AC97_PCM_CFG_FRONT = 2,
- AC97_PCM_CFG_REAR = 10, /* alias surround */
- AC97_PCM_CFG_LFE = 11, /* center + lfe */
- AC97_PCM_CFG_40 = 4, /* front + rear */
- AC97_PCM_CFG_51 = 6, /* front + rear + center/lfe */
- AC97_PCM_CFG_SPDIF = 20
-};
-
-/* PCM allocation */
-struct ac97_pcm {
- ac97_bus_t *bus;
- unsigned int stream: 1, /* stream type: 1 = capture */
- exclusive: 1, /* exclusive mode, don't override with other pcms */
- copy_flag: 1, /* lowlevel driver must fill all entries */
- spdif: 1; /* spdif pcm */
- unsigned short aslots; /* active slots */
- unsigned int rates; /* available rates */
- struct {
- unsigned short slots; /* driver input: requested AC97 slot numbers */
- unsigned short rslots[4]; /* allocated slots per codecs */
- unsigned char rate_table[4];
- ac97_t *codec[4]; /* allocated codecs */
- } r[2]; /* 0 = standard rates, 1 = double rates */
- unsigned long private_value; /* used by the hardware driver */
-};