*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
*/
#include <linux/version.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
#include <media/upd64083.h>
MODULE_DESCRIPTION("uPD64083 driver");
MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil");
MODULE_LICENSE("GPL");
-static int debug = 0;
+static int debug;
module_param(debug, bool, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-static unsigned short normal_i2c[] = { 0xb8 >> 1, 0xba >> 1, I2C_CLIENT_END };
-
-
-I2C_CLIENT_INSMOD;
enum {
R00 = 0, R01, R02, R03, R04,
buf[0] = reg;
buf[1] = val;
- v4l_dbg(1, debug, client, "writing reg addr: %02x val: %02x\n", reg, val);
+ v4l_dbg(1, debug, client, "write reg: %02x val: %02x\n", reg, val);
if (i2c_master_send(client, buf, 2) != 2)
v4l_err(client, "I/O error write 0x%02x/0x%02x\n", reg, val);
}
/* ------------------------------------------------------------------------ */
-static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int upd64083_command(struct i2c_client *client, unsigned cmd, void *arg)
{
struct upd64083_state *state = i2c_get_clientdata(client);
struct v4l2_routing *route = arg;
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_UPD64083)
- return -EINVAL;
- reg->val = upd64083_read(client, reg->reg & 0xff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
- u8 addr = reg->reg & 0xff;
- u8 val = reg->val & 0xff;
- if (reg->i2c_id != I2C_DRIVERID_UPD64083)
+ if (!v4l2_chip_match_i2c_client(client,
+ reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- upd64083_write(client, addr, val);
+ if (cmd == VIDIOC_DBG_G_REGISTER) {
+ reg->val = upd64083_read(client, reg->reg & 0xff);
+ break;
+ }
+ upd64083_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
+
+ case VIDIOC_G_CHIP_IDENT:
+ return v4l2_chip_ident_i2c_client(client, arg,
+ V4L2_IDENT_UPD64083, 0);
+
default:
break;
}
/* i2c implementation */
-static struct i2c_driver i2c_driver;
-
-static int upd64083_attach(struct i2c_adapter *adapter, int address, int kind)
+static int upd64083_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- struct i2c_client *client;
struct upd64083_state *state;
int i;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == NULL) {
- return -ENOMEM;
- }
-
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver;
- snprintf(client->name, sizeof(client->name) - 1, "uPD64083");
-
- v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
state = kmalloc(sizeof(struct upd64083_state), GFP_KERNEL);
- if (state == NULL) {
- kfree(client);
+ if (state == NULL)
return -ENOMEM;
- }
i2c_set_clientdata(client, state);
/* Initially assume that a ghost reduction chip is present */
state->mode = 0; /* YCS mode */
state->ext_y_adc = (1 << 5);
memcpy(state->regs, upd64083_init, TOT_REGS);
- for (i = 0; i < TOT_REGS; i++) {
+ for (i = 0; i < TOT_REGS; i++)
upd64083_write(client, i, state->regs[i]);
- }
- i2c_attach_client(client);
-
return 0;
}
-static int upd64083_probe(struct i2c_adapter *adapter)
+static int upd64083_remove(struct i2c_client *client)
{
- if (adapter->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adapter, &addr_data, upd64083_attach);
- return 0;
-}
-
-static int upd64083_detach(struct i2c_client *client)
-{
- int err;
-
- err = i2c_detach_client(client);
- if (err)
- return err;
-
- kfree(client);
+ kfree(i2c_get_clientdata(client));
return 0;
}
/* ----------------------------------------------------------------------- */
-/* i2c implementation */
-static struct i2c_driver i2c_driver = {
- .driver = {
- .name = "upd64083",
- },
- .id = I2C_DRIVERID_UPD64083,
- .attach_adapter = upd64083_probe,
- .detach_client = upd64083_detach,
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "upd64083",
+ .driverid = I2C_DRIVERID_UPD64083,
.command = upd64083_command,
+ .probe = upd64083_probe,
+ .remove = upd64083_remove,
};
-
-
-static int __init upd64083_init_module(void)
-{
- return i2c_add_driver(&i2c_driver);
-}
-
-static void __exit upd64083_exit_module(void)
-{
- i2c_del_driver(&i2c_driver);
-}
-
-module_init(upd64083_init_module);
-module_exit(upd64083_exit_module);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff