*
*/
-#include <sound/driver.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include "stac946x.h"
#include <sound/tlv.h>
+struct prodigy192_spec {
+ struct ak4114 *ak4114;
+ /* rate change needs atomic mute/unmute of all dacs*/
+ struct mutex mute_mutex;
+};
+
static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val)
{
snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val);
static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ struct prodigy192_spec *spec = ice->spec;
int idx, change;
if (kcontrol->private_value)
else
idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
/* due to possible conflicts with stac9460_set_rate_val, mutexing */
- mutex_lock(&ice->spec.prodigy192.mute_mutex);
+ mutex_lock(&spec->mute_mutex);
/*printk("Mute put: reg 0x%02x, ctrl value: 0x%02x\n", idx,
ucontrol->value.integer.value[0]);*/
change = stac9460_dac_mute(ice, idx, ucontrol->value.integer.value[0]);
- mutex_unlock(&ice->spec.prodigy192.mute_mutex);
+ mutex_unlock(&spec->mute_mutex);
return change;
}
/*
* Handler for setting correct codec rate - called when rate change is detected
*/
-static void stac9460_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
+static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
{
unsigned char old, new;
int idx;
unsigned char changed[7];
- struct snd_ice1712 *ice = ak->private_data[0];
+ struct prodigy192_spec *spec = ice->spec;
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
return;
/* change detected, setting master clock, muting first */
/* due to possible conflicts with mute controls - mutexing */
- mutex_lock(&ice->spec.prodigy192.mute_mutex);
+ mutex_lock(&spec->mute_mutex);
/* we have to remember current mute status for each DAC */
for (idx = 0; idx < 7 ; ++idx)
changed[idx] = stac9460_dac_mute(ice,
if (changed[idx])
stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1);
}
- mutex_unlock(&ice->spec.prodigy192.mute_mutex);
+ mutex_unlock(&spec->mute_mutex);
}
-/* using akm infrastructure for setting rate of the codec */
-static struct snd_akm4xxx akmlike_stac9460 __devinitdata = {
- .type = NON_AKM, /* special value */
- .num_adcs = 6, /* not used in any way, just for completeness */
- .num_dacs = 2,
- .ops = {
- .set_rate_val = stac9460_set_rate_val
- }
-};
-
static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
static const unsigned char ak4114_init_txcsb[] = {
0x41, 0x02, 0x2c, 0x00, 0x00
};
+ struct prodigy192_spec *spec = ice->spec;
+ int err;
- return snd_ak4114_create(ice->card,
+ err = snd_ak4114_create(ice->card,
prodigy192_ak4114_read,
prodigy192_ak4114_write,
ak4114_init_vals, ak4114_init_txcsb,
- ice, &ice->spec.prodigy192.ak4114);
+ ice, &spec->ak4114);
+ if (err < 0)
+ return err;
+ /* AK4114 in Prodigy192 cannot detect external rate correctly.
+ * No reason to stop capture stream due to incorrect checks */
+ spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
+ return 0;
}
static void stac9460_proc_regs_read(struct snd_info_entry *entry,
static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice)
{
+ struct prodigy192_spec *spec = ice->spec;
unsigned int i;
int err;
if (err < 0)
return err;
}
- if (ice->spec.prodigy192.ak4114) {
+ if (spec->ak4114) {
/* ak4114 is connected */
for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) {
err = snd_ctl_add(ice->card,
if (err < 0)
return err;
}
- err = snd_ak4114_build(ice->spec.prodigy192.ak4114,
+ err = snd_ak4114_build(spec->ak4114,
NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */
ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
if (err < 0)
};
const unsigned short *p;
int err = 0;
- struct snd_akm4xxx *ak;
+ struct prodigy192_spec *spec;
/* prodigy 192 */
ice->num_total_dacs = 6;
ice->num_total_adcs = 2;
ice->vt1720 = 0; /* ice1724, e.g. 23 GPIOs */
+ spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+ ice->spec = spec;
+ mutex_init(&spec->mute_mutex);
+
/* initialize codec */
p = stac_inits_prodigy;
for (; *p != (unsigned short)-1; p += 2)
stac9460_put(ice, p[0], p[1]);
- /* reusing the akm codecs infrastructure,
- * for setting rate on stac9460 */
- ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
- if (!ak)
- return -ENOMEM;
- ice->akm_codecs = 1;
- err = snd_ice1712_akm4xxx_init(ak, &akmlike_stac9460, NULL, ice);
- if (err < 0)
- return err;
+ ice->gpio.set_pro_rate = stac9460_set_rate_val;
/* MI/ODI/O add on card with AK4114 */
if (prodigy192_miodio_exists(ice)) {
err = prodigy192_ak4114_init(ice);
/* from this moment if err = 0 then
- * ice->spec.prodigy192.ak4114 should not be null
+ * spec->ak4114 should not be null
*/
snd_printdd("AK4114 initialized with status %d\n", err);
} else
if (err < 0)
return err;
- mutex_init(&ice->spec.prodigy192.mute_mutex);
-
return 0;
}
.build_controls = prodigy192_add_controls,
.eeprom_size = sizeof(prodigy71_eeprom),
.eeprom_data = prodigy71_eeprom,
- /* the current MPU401 code loops infinitely
- * when opening midi device
- */
- .no_mpu401 = 1,
},
{ } /* terminator */
};
projects / linux-2.6 / blobdiff