-int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override);
-int snd_ac97_set_rate(ac97_t *ac97, int reg, unsigned int rate);
+int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override);
+int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate);
+
+/*
+ * PCM allocation
+ */
+
+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
+};
+
+struct ac97_pcm {
+ struct snd_ac97_bus *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];
+ struct snd_ac97 *codec[4]; /* allocated codecs */
+ } r[2]; /* 0 = standard rates, 1 = double rates */
+ unsigned long private_value; /* used by the hardware driver */
+};