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path: root/drivers/media/video/cs53l32a.c
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Diffstat (limited to 'drivers/media/video/cs53l32a.c')
-rw-r--r--drivers/media/video/cs53l32a.c101
1 files changed, 45 insertions, 56 deletions
diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c
index 780b352ec11..8739c64785e 100644
--- a/drivers/media/video/cs53l32a.c
+++ b/drivers/media/video/cs53l32a.c
@@ -27,7 +27,7 @@
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/videodev.h>
-#include <media/audiochip.h>
+#include <media/v4l2-common.h>
MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC");
MODULE_AUTHOR("Martin Vaughan");
@@ -39,20 +39,6 @@ module_param(debug, bool, 0644);
MODULE_PARM_DESC(debug, "Debugging messages\n\t\t\t0=Off (default), 1=On");
-#define cs53l32a_dbg(fmt, arg...) \
- do { \
- if (debug) \
- printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); \
- } while (0)
-
-#define cs53l32a_err(fmt, arg...) do { \
- printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-#define cs53l32a_info(fmt, arg...) do { \
- printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-
static unsigned short normal_i2c[] = { 0x22 >> 1, I2C_CLIENT_END };
@@ -73,50 +59,59 @@ static int cs53l32a_read(struct i2c_client *client, u8 reg)
static int cs53l32a_command(struct i2c_client *client, unsigned int cmd,
void *arg)
{
- int *input = arg;
+ struct v4l2_audio *input = arg;
+ struct v4l2_control *ctrl = arg;
switch (cmd) {
- case AUDC_SET_INPUT:
- switch (*input) {
- case AUDIO_TUNER:
- cs53l32a_write(client, 0x01, 0x01);
- break;
- case AUDIO_EXTERN:
- cs53l32a_write(client, 0x01, 0x21);
- break;
- case AUDIO_MUTE:
- cs53l32a_write(client, 0x03, 0xF0);
- break;
- case AUDIO_UNMUTE:
- cs53l32a_write(client, 0x03, 0x30);
- break;
- default:
- cs53l32a_err("Invalid input %d.\n", *input);
+ case VIDIOC_S_AUDIO:
+ /* There are 2 physical inputs, but the second input can be
+ placed in two modes, the first mode bypasses the PGA (gain),
+ the second goes through the PGA. Hence there are three
+ possible inputs to choose from. */
+ if (input->index > 2) {
+ v4l_err(client, "Invalid input %d.\n", input->index);
return -EINVAL;
}
+ cs53l32a_write(client, 0x01, 0x01 + (input->index << 4));
+ break;
+
+ case VIDIOC_G_AUDIO:
+ memset(input, 0, sizeof(*input));
+ input->index = (cs53l32a_read(client, 0x01) >> 4) & 3;
+ break;
+
+ case VIDIOC_G_CTRL:
+ if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
+ ctrl->value = (cs53l32a_read(client, 0x03) & 0xc0) != 0;
+ break;
+ }
+ if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
+ return -EINVAL;
+ ctrl->value = (s8)cs53l32a_read(client, 0x04);
break;
case VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl = arg;
-
- if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
- return -EINVAL;
- if (ctrl->value > 12 || ctrl->value < -90)
- return -EINVAL;
- cs53l32a_write(client, 0x04, (u8) ctrl->value);
- cs53l32a_write(client, 0x05, (u8) ctrl->value);
+ if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
+ cs53l32a_write(client, 0x03, ctrl->value ? 0xf0 : 0x30);
break;
}
+ if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
+ return -EINVAL;
+ if (ctrl->value > 12 || ctrl->value < -96)
+ return -EINVAL;
+ cs53l32a_write(client, 0x04, (u8) ctrl->value);
+ cs53l32a_write(client, 0x05, (u8) ctrl->value);
+ break;
case VIDIOC_LOG_STATUS:
{
u8 v = cs53l32a_read(client, 0x01);
u8 m = cs53l32a_read(client, 0x03);
+ s8 vol = cs53l32a_read(client, 0x04);
- cs53l32a_info("Input: %s%s\n",
- v == 0x21 ? "external line in" : "tuner",
+ v4l_info(client, "Input: %d%s\n", (v >> 4) & 3,
(m & 0xC0) ? " (muted)" : "");
+ v4l_info(client, "Volume: %d dB\n", vol);
break;
}
@@ -146,23 +141,21 @@ static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return 0;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (client == 0)
return -ENOMEM;
- memset(client, 0, sizeof(struct i2c_client));
client->addr = address;
client->adapter = adapter;
client->driver = &i2c_driver;
- client->flags = I2C_CLIENT_ALLOW_USE;
snprintf(client->name, sizeof(client->name) - 1, "cs53l32a");
- cs53l32a_info("chip found @ 0x%x (%s)\n", address << 1, adapter->name);
+ v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
for (i = 1; i <= 7; i++) {
u8 v = cs53l32a_read(client, i);
- cs53l32a_dbg("Read Reg %d %02x\n", i, v);
+ v4l_dbg(1, debug, client, "Read Reg %d %02x\n", i, v);
}
/* Set cs53l32a internal register for Adaptec 2010/2410 setup */
@@ -180,7 +173,7 @@ static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
for (i = 1; i <= 7; i++) {
u8 v = cs53l32a_read(client, i);
- cs53l32a_dbg("Read Reg %d %02x\n", i, v);
+ v4l_dbg(1, debug, client, "Read Reg %d %02x\n", i, v);
}
i2c_attach_client(client);
@@ -190,11 +183,7 @@ static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
static int cs53l32a_probe(struct i2c_adapter *adapter)
{
-#ifdef I2C_CLASS_TV_ANALOG
if (adapter->class & I2C_CLASS_TV_ANALOG)
-#else
- if (adapter->id == I2C_HW_B_BT848)
-#endif
return i2c_probe(adapter, &addr_data, cs53l32a_attach);
return 0;
}
@@ -216,13 +205,13 @@ static int cs53l32a_detach(struct i2c_client *client)
/* i2c implementation */
static struct i2c_driver i2c_driver = {
- .name = "cs53l32a",
+ .driver = {
+ .name = "cs53l32a",
+ },
.id = I2C_DRIVERID_CS53L32A,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = cs53l32a_probe,
.detach_client = cs53l32a_detach,
.command = cs53l32a_command,
- .owner = THIS_MODULE,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 12:16:47 +0000