aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/usbvision/usbvision-i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/usbvision/usbvision-i2c.c')
-rw-r--r--drivers/media/video/usbvision/usbvision-i2c.c157
1 files changed, 49 insertions, 108 deletions
diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c
index 6b66ae4f430f..1fe5befbbf85 100644
--- a/drivers/media/video/usbvision/usbvision-i2c.c
+++ b/drivers/media/video/usbvision/usbvision-i2c.c
@@ -28,7 +28,6 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/slab.h>
-#include <linux/version.h>
#include <linux/utsname.h>
#include <linux/init.h>
#include <asm/uaccess.h>
@@ -119,7 +118,8 @@ static inline int usb_find_address(struct i2c_adapter *i2c_adap,
/* try extended address code... */
ret = try_write_address(i2c_adap, addr, retries);
if (ret != 1) {
- err("died at extended address code, while writing");
+ dev_err(&i2c_adap->dev,
+ "died at extended address code, while writing\n");
return -EREMOTEIO;
}
add[0] = addr;
@@ -128,7 +128,8 @@ static inline int usb_find_address(struct i2c_adapter *i2c_adap,
addr |= 0x01;
ret = try_read_address(i2c_adap, addr, retries);
if (ret != 1) {
- err("died at extended address code, while reading");
+ dev_err(&i2c_adap->dev,
+ "died at extended address code, while reading\n");
return -EREMOTEIO;
}
}
@@ -200,72 +201,81 @@ static struct i2c_algorithm usbvision_algo = {
};
-/*
- * registering functions to load algorithms at runtime
- */
-static int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap)
-{
- PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
- PDEBUG(DBG_I2C, "ALGO debugging is enabled [i2c]");
-
- /* register new adapter to i2c module... */
-
- adap->algo = &usbvision_algo;
-
- adap->timeout = 100; /* default values, should */
- adap->retries = 3; /* be replaced by defines */
-
- i2c_add_adapter(adap);
-
- PDEBUG(DBG_I2C,"i2c bus for %s registered", adap->name);
-
- return 0;
-}
-
/* ----------------------------------------------------------------------- */
/* usbvision specific I2C functions */
/* ----------------------------------------------------------------------- */
static struct i2c_adapter i2c_adap_template;
-static struct i2c_client i2c_client_template;
int usbvision_i2c_register(struct usb_usbvision *usbvision)
{
+ static unsigned short saa711x_addrs[] = {
+ 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */
+ 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */
+ I2C_CLIENT_END };
+
memcpy(&usbvision->i2c_adap, &i2c_adap_template,
sizeof(struct i2c_adapter));
- memcpy(&usbvision->i2c_client, &i2c_client_template,
- sizeof(struct i2c_client));
sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name),
" #%d", usbvision->vdev->num);
PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name);
usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
- i2c_set_adapdata(&usbvision->i2c_adap, usbvision);
- i2c_set_clientdata(&usbvision->i2c_client, usbvision);
-
- usbvision->i2c_client.adapter = &usbvision->i2c_adap;
+ i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);
if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
printk(KERN_ERR "usbvision_register: can't write reg\n");
return -EBUSY;
}
-#ifdef CONFIG_MODULES
+ PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
+ PDEBUG(DBG_I2C, "ALGO debugging is enabled [i2c]");
+
+ /* register new adapter to i2c module... */
+
+ usbvision->i2c_adap.algo = &usbvision_algo;
+
+ usbvision->i2c_adap.timeout = 100; /* default values, should */
+ usbvision->i2c_adap.retries = 3; /* be replaced by defines */
+
+ i2c_add_adapter(&usbvision->i2c_adap);
+
+ PDEBUG(DBG_I2C, "i2c bus for %s registered", usbvision->i2c_adap.name);
+
/* Request the load of the i2c modules we need */
switch (usbvision_device_data[usbvision->DevModel].Codec) {
case CODEC_SAA7113:
- request_module("saa7115");
- break;
case CODEC_SAA7111:
- request_module("saa7115");
+ v4l2_i2c_new_probed_subdev(&usbvision->v4l2_dev,
+ &usbvision->i2c_adap, "saa7115",
+ "saa7115_auto", saa711x_addrs);
break;
}
if (usbvision_device_data[usbvision->DevModel].Tuner == 1) {
- request_module("tuner");
+ struct v4l2_subdev *sd;
+ enum v4l2_i2c_tuner_type type;
+ struct tuner_setup tun_setup;
+
+ sd = v4l2_i2c_new_probed_subdev(&usbvision->v4l2_dev,
+ &usbvision->i2c_adap, "tuner",
+ "tuner", v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
+ /* depending on whether we found a demod or not, select
+ the tuner type. */
+ type = sd ? ADDRS_TV_WITH_DEMOD : ADDRS_TV;
+
+ sd = v4l2_i2c_new_probed_subdev(&usbvision->v4l2_dev,
+ &usbvision->i2c_adap, "tuner",
+ "tuner", v4l2_i2c_tuner_addrs(type));
+
+ if (usbvision->tuner_type != -1) {
+ tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
+ tun_setup.type = usbvision->tuner_type;
+ tun_setup.addr = v4l2_i2c_subdev_addr(sd);
+ call_all(usbvision, tuner, s_type_addr, &tun_setup);
+ }
}
-#endif
- return usbvision_i2c_usb_add_bus(&usbvision->i2c_adap);
+ return 0;
}
int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
@@ -278,67 +288,6 @@ int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
return 0;
}
-void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,
- void *arg)
-{
- i2c_clients_command(&usbvision->i2c_adap, cmd, arg);
-}
-
-static int attach_inform(struct i2c_client *client)
-{
- struct usb_usbvision *usbvision;
-
- usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
-
- switch (client->addr << 1) {
- case 0x42 << 1:
- case 0x43 << 1:
- case 0x4a << 1:
- case 0x4b << 1:
- PDEBUG(DBG_I2C,"attach_inform: tda9887 detected.");
- break;
- case 0x42:
- PDEBUG(DBG_I2C,"attach_inform: saa7114 detected.");
- break;
- case 0x4a:
- PDEBUG(DBG_I2C,"attach_inform: saa7113 detected.");
- break;
- case 0x48:
- PDEBUG(DBG_I2C,"attach_inform: saa7111 detected.");
- break;
- case 0xa0:
- PDEBUG(DBG_I2C,"attach_inform: eeprom detected.");
- break;
-
- default:
- {
- struct tuner_setup tun_setup;
-
- PDEBUG(DBG_I2C,"attach inform: detected I2C address %x", client->addr << 1);
- usbvision->tuner_addr = client->addr;
-
- if ((usbvision->have_tuner) && (usbvision->tuner_type != -1)) {
- tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
- tun_setup.type = usbvision->tuner_type;
- tun_setup.addr = usbvision->tuner_addr;
- call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup);
- }
- }
- break;
- }
- return 0;
-}
-
-static int detach_inform(struct i2c_client *client)
-{
- struct usb_usbvision *usbvision;
-
- usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
-
- PDEBUG(DBG_I2C,"usbvision[%d] detaches %s", usbvision->nr, client->name);
- return 0;
-}
-
static int
usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr,
char *buf, short len)
@@ -511,14 +460,6 @@ static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char add
static struct i2c_adapter i2c_adap_template = {
.owner = THIS_MODULE,
.name = "usbvision",
- .id = I2C_HW_B_BT848, /* FIXME */
- .client_register = attach_inform,
- .client_unregister = detach_inform,
- .class = I2C_CLASS_TV_ANALOG,
-};
-
-static struct i2c_client i2c_client_template = {
- .name = "usbvision internal",
};
/*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.