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Diffstat (limited to 'sound/i2c/cs8427.c')
-rw-r--r--sound/i2c/cs8427.c142
1 files changed, 78 insertions, 64 deletions
diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c
index 1a05cfbdc7c6..9deba80a587c 100644
--- a/sound/i2c/cs8427.c
+++ b/sound/i2c/cs8427.c
@@ -30,7 +30,7 @@
#include <sound/cs8427.h>
#include <sound/asoundef.h>
-static void snd_cs8427_reset(snd_i2c_device_t *cs8427);
+static void snd_cs8427_reset(struct snd_i2c_device *cs8427);
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("IEC958 (S/PDIF) receiver & transmitter by Cirrus Logic");
@@ -38,22 +38,22 @@ MODULE_LICENSE("GPL");
#define CS8427_ADDR (0x20>>1) /* fixed address */
-typedef struct {
- snd_pcm_substream_t *substream;
+struct cs8427_stream {
+ struct snd_pcm_substream *substream;
char hw_status[24]; /* hardware status */
char def_status[24]; /* default status */
char pcm_status[24]; /* PCM private status */
char hw_udata[32];
- snd_kcontrol_t *pcm_ctl;
-} cs8427_stream_t;
+ struct snd_kcontrol *pcm_ctl;
+};
-typedef struct {
+struct cs8427 {
unsigned char regmap[0x14]; /* map of first 1 + 13 registers */
unsigned int rate;
unsigned int reset_timeout;
- cs8427_stream_t playback;
- cs8427_stream_t capture;
-} cs8427_t;
+ struct cs8427_stream playback;
+ struct cs8427_stream capture;
+};
static unsigned char swapbits(unsigned char val)
{
@@ -67,7 +67,8 @@ static unsigned char swapbits(unsigned char val)
return res;
}
-int snd_cs8427_reg_write(snd_i2c_device_t *device, unsigned char reg, unsigned char val)
+int snd_cs8427_reg_write(struct snd_i2c_device *device, unsigned char reg,
+ unsigned char val)
{
int err;
unsigned char buf[2];
@@ -81,7 +82,7 @@ int snd_cs8427_reg_write(snd_i2c_device_t *device, unsigned char reg, unsigned c
return 0;
}
-static int snd_cs8427_reg_read(snd_i2c_device_t *device, unsigned char reg)
+static int snd_cs8427_reg_read(struct snd_i2c_device *device, unsigned char reg)
{
int err;
unsigned char buf;
@@ -97,28 +98,29 @@ static int snd_cs8427_reg_read(snd_i2c_device_t *device, unsigned char reg)
return buf;
}
-static int snd_cs8427_select_corudata(snd_i2c_device_t *device, int udata)
+static int snd_cs8427_select_corudata(struct snd_i2c_device *device, int udata)
{
- cs8427_t *chip = device->private_data;
+ struct cs8427 *chip = device->private_data;
int err;
udata = udata ? CS8427_BSEL : 0;
if (udata != (chip->regmap[CS8427_REG_CSDATABUF] & udata)) {
chip->regmap[CS8427_REG_CSDATABUF] &= ~CS8427_BSEL;
chip->regmap[CS8427_REG_CSDATABUF] |= udata;
- err = snd_cs8427_reg_write(device, CS8427_REG_CSDATABUF, chip->regmap[CS8427_REG_CSDATABUF]);
+ err = snd_cs8427_reg_write(device, CS8427_REG_CSDATABUF,
+ chip->regmap[CS8427_REG_CSDATABUF]);
if (err < 0)
return err;
}
return 0;
}
-static int snd_cs8427_send_corudata(snd_i2c_device_t *device,
+static int snd_cs8427_send_corudata(struct snd_i2c_device *device,
int udata,
unsigned char *ndata,
int count)
{
- cs8427_t *chip = device->private_data;
+ struct cs8427 *chip = device->private_data;
char *hw_data = udata ? chip->playback.hw_udata : chip->playback.hw_status;
char data[32];
int err, idx;
@@ -133,7 +135,8 @@ static int snd_cs8427_send_corudata(snd_i2c_device_t *device,
if (memcmp(hw_data, data, count) == 0) {
chip->regmap[CS8427_REG_UDATABUF] &= ~CS8427_UBMMASK;
chip->regmap[CS8427_REG_UDATABUF] |= CS8427_UBMZEROS | CS8427_EFTUI;
- if ((err = snd_cs8427_reg_write(device, CS8427_REG_UDATABUF, chip->regmap[CS8427_REG_UDATABUF])) < 0)
+ if ((err = snd_cs8427_reg_write(device, CS8427_REG_UDATABUF,
+ chip->regmap[CS8427_REG_UDATABUF])) < 0)
return err;
return 0;
}
@@ -146,15 +149,15 @@ static int snd_cs8427_send_corudata(snd_i2c_device_t *device,
return 1;
}
-static void snd_cs8427_free(snd_i2c_device_t *device)
+static void snd_cs8427_free(struct snd_i2c_device *device)
{
kfree(device->private_data);
}
-int snd_cs8427_create(snd_i2c_bus_t *bus,
+int snd_cs8427_create(struct snd_i2c_bus *bus,
unsigned char addr,
unsigned int reset_timeout,
- snd_i2c_device_t **r_cs8427)
+ struct snd_i2c_device **r_cs8427)
{
static unsigned char initvals1[] = {
CS8427_REG_CONTROL1 | CS8427_REG_AUTOINC,
@@ -194,11 +197,12 @@ int snd_cs8427_create(snd_i2c_bus_t *bus,
CS8427_UD | CS8427_EFTUI | CS8427_DETUI,
};
int err;
- cs8427_t *chip;
- snd_i2c_device_t *device;
+ struct cs8427 *chip;
+ struct snd_i2c_device *device;
unsigned char buf[24];
- if ((err = snd_i2c_device_create(bus, "CS8427", CS8427_ADDR | (addr & 7), &device)) < 0)
+ if ((err = snd_i2c_device_create(bus, "CS8427", CS8427_ADDR | (addr & 7),
+ &device)) < 0)
return err;
chip = device->private_data = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL) {
@@ -208,9 +212,13 @@ int snd_cs8427_create(snd_i2c_bus_t *bus,
device->private_free = snd_cs8427_free;
snd_i2c_lock(bus);
- if ((err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER)) != CS8427_VER8427A) {
+ if ((err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER)) !=
+ CS8427_VER8427A) {
snd_i2c_unlock(bus);
- snd_printk(KERN_ERR "unable to find CS8427 signature (expected 0x%x, read 0x%x), initialization is not completed\n", CS8427_VER8427A, err);
+ snd_printk(KERN_ERR "unable to find CS8427 signature "
+ "(expected 0x%x, read 0x%x),\n",
+ CS8427_VER8427A, err);
+ snd_printk(KERN_ERR " initialization is not completed\n");
return -EFAULT;
}
/* turn off run bit while making changes to configuration */
@@ -279,9 +287,9 @@ int snd_cs8427_create(snd_i2c_bus_t *bus,
* put back AES3INPUT. This workaround is described in latest
* CS8427 datasheet, otherwise TXDSERIAL will not work.
*/
-static void snd_cs8427_reset(snd_i2c_device_t *cs8427)
+static void snd_cs8427_reset(struct snd_i2c_device *cs8427)
{
- cs8427_t *chip;
+ struct cs8427 *chip;
unsigned long end_time;
int data;
@@ -289,10 +297,12 @@ static void snd_cs8427_reset(snd_i2c_device_t *cs8427)
chip = cs8427->private_data;
snd_i2c_lock(cs8427->bus);
chip->regmap[CS8427_REG_CLOCKSOURCE] &= ~(CS8427_RUN | CS8427_RXDMASK);
- snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE, chip->regmap[CS8427_REG_CLOCKSOURCE]);
+ snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
+ chip->regmap[CS8427_REG_CLOCKSOURCE]);
udelay(200);
chip->regmap[CS8427_REG_CLOCKSOURCE] |= CS8427_RUN | CS8427_RXDILRCK;
- snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE, chip->regmap[CS8427_REG_CLOCKSOURCE]);
+ snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
+ chip->regmap[CS8427_REG_CLOCKSOURCE]);
udelay(200);
snd_i2c_unlock(cs8427->bus);
end_time = jiffies + chip->reset_timeout;
@@ -307,12 +317,13 @@ static void snd_cs8427_reset(snd_i2c_device_t *cs8427)
snd_i2c_lock(cs8427->bus);
chip->regmap[CS8427_REG_CLOCKSOURCE] &= ~CS8427_RXDMASK;
chip->regmap[CS8427_REG_CLOCKSOURCE] |= CS8427_RXDAES3INPUT;
- snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE, chip->regmap[CS8427_REG_CLOCKSOURCE]);
+ snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
+ chip->regmap[CS8427_REG_CLOCKSOURCE]);
snd_i2c_unlock(cs8427->bus);
}
-static int snd_cs8427_in_status_info(snd_kcontrol_t *kcontrol,
- snd_ctl_elem_info_t *uinfo)
+static int snd_cs8427_in_status_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
@@ -321,10 +332,10 @@ static int snd_cs8427_in_status_info(snd_kcontrol_t *kcontrol,
return 0;
}
-static int snd_cs8427_in_status_get(snd_kcontrol_t *kcontrol,
- snd_ctl_elem_value_t *ucontrol)
+static int snd_cs8427_in_status_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- snd_i2c_device_t *device = snd_kcontrol_chip(kcontrol);
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
int data;
snd_i2c_lock(device->bus);
@@ -336,18 +347,18 @@ static int snd_cs8427_in_status_get(snd_kcontrol_t *kcontrol,
return 0;
}
-static int snd_cs8427_qsubcode_info(snd_kcontrol_t *kcontrol,
- snd_ctl_elem_info_t *uinfo)
+static int snd_cs8427_qsubcode_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
uinfo->count = 10;
return 0;
}
-static int snd_cs8427_qsubcode_get(snd_kcontrol_t *kcontrol,
- snd_ctl_elem_value_t *ucontrol)
+static int snd_cs8427_qsubcode_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- snd_i2c_device_t *device = snd_kcontrol_chip(kcontrol);
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
unsigned char reg = CS8427_REG_QSUBCODE;
int err;
@@ -366,18 +377,18 @@ static int snd_cs8427_qsubcode_get(snd_kcontrol_t *kcontrol,
return 0;
}
-static int snd_cs8427_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_cs8427_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
-static int snd_cs8427_spdif_get(snd_kcontrol_t * kcontrol,
- snd_ctl_elem_value_t * ucontrol)
+static int snd_cs8427_spdif_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- snd_i2c_device_t *device = snd_kcontrol_chip(kcontrol);
- cs8427_t *chip = device->private_data;
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
+ struct cs8427 *chip = device->private_data;
snd_i2c_lock(device->bus);
memcpy(ucontrol->value.iec958.status, chip->playback.def_status, 24);
@@ -385,13 +396,15 @@ static int snd_cs8427_spdif_get(snd_kcontrol_t * kcontrol,
return 0;
}
-static int snd_cs8427_spdif_put(snd_kcontrol_t * kcontrol,
- snd_ctl_elem_value_t * ucontrol)
+static int snd_cs8427_spdif_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- snd_i2c_device_t *device = snd_kcontrol_chip(kcontrol);
- cs8427_t *chip = device->private_data;
- unsigned char *status = kcontrol->private_value ? chip->playback.pcm_status : chip->playback.def_status;
- snd_pcm_runtime_t *runtime = chip->playback.substream ? chip->playback.substream->runtime : NULL;
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
+ struct cs8427 *chip = device->private_data;
+ unsigned char *status = kcontrol->private_value ?
+ chip->playback.pcm_status : chip->playback.def_status;
+ struct snd_pcm_runtime *runtime = chip->playback.substream ?
+ chip->playback.substream->runtime : NULL;
int err, change;
snd_i2c_lock(device->bus);
@@ -406,21 +419,22 @@ static int snd_cs8427_spdif_put(snd_kcontrol_t * kcontrol,
return change;
}
-static int snd_cs8427_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_cs8427_spdif_mask_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
-static int snd_cs8427_spdif_mask_get(snd_kcontrol_t * kcontrol,
- snd_ctl_elem_value_t * ucontrol)
+static int snd_cs8427_spdif_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
memset(ucontrol->value.iec958.status, 0xff, 24);
return 0;
}
-static snd_kcontrol_new_t snd_cs8427_iec958_controls[] = {
+static struct snd_kcontrol_new snd_cs8427_iec958_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.info = snd_cs8427_in_status_info,
@@ -469,12 +483,12 @@ static snd_kcontrol_new_t snd_cs8427_iec958_controls[] = {
.get = snd_cs8427_qsubcode_get
}};
-int snd_cs8427_iec958_build(snd_i2c_device_t *cs8427,
- snd_pcm_substream_t *play_substream,
- snd_pcm_substream_t *cap_substream)
+int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427,
+ struct snd_pcm_substream *play_substream,
+ struct snd_pcm_substream *cap_substream)
{
- cs8427_t *chip = cs8427->private_data;
- snd_kcontrol_t *kctl;
+ struct cs8427 *chip = cs8427->private_data;
+ struct snd_kcontrol *kctl;
unsigned int idx;
int err;
@@ -498,9 +512,9 @@ int snd_cs8427_iec958_build(snd_i2c_device_t *cs8427,
return 0;
}
-int snd_cs8427_iec958_active(snd_i2c_device_t *cs8427, int active)
+int snd_cs8427_iec958_active(struct snd_i2c_device *cs8427, int active)
{
- cs8427_t *chip;
+ struct cs8427 *chip;
snd_assert(cs8427, return -ENXIO);
chip = cs8427->private_data;
@@ -512,9 +526,9 @@ int snd_cs8427_iec958_active(snd_i2c_device_t *cs8427, int active)
return 0;
}
-int snd_cs8427_iec958_pcm(snd_i2c_device_t *cs8427, unsigned int rate)
+int snd_cs8427_iec958_pcm(struct snd_i2c_device *cs8427, unsigned int rate)
{
- cs8427_t *chip;
+ struct cs8427 *chip;
char *status;
int err, reset;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 06:57:45 +0100