*
* 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/module.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
-#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-i2c-drv-legacy.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,
};
struct upd64083_state {
+ struct v4l2_subdev sd;
u8 mode;
u8 ext_y_adc;
u8 regs[TOT_REGS];
};
+static inline struct upd64083_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct upd64083_state, sd);
+}
+
/* Initial values when used in combination with the
NEC upd64031a ghost reduction chip. */
static u8 upd64083_init[] = {
/* ------------------------------------------------------------------------ */
-static void upd64083_log_status(struct i2c_client *client)
-{
- u8 buf[7];
-
- i2c_master_recv(client, buf, 7);
- v4l_info(client, "Status: SA00=%02x SA01=%02x SA02=%02x SA03=%02x "
- "SA04=%02x SA05=%02x SA06=%02x\n",
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
-}
-
-/* ------------------------------------------------------------------------ */
-
-static void upd64083_write(struct i2c_client *client, u8 reg, u8 val)
+static void upd64083_write(struct v4l2_subdev *sd, u8 reg, u8 val)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 buf[2];
buf[0] = reg;
buf[1] = val;
- v4l_dbg(1, debug, client, "writing reg addr: %02x val: %02x\n", reg, val);
+ v4l2_dbg(1, debug, sd, "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);
+ v4l2_err(sd, "I/O error write 0x%02x/0x%02x\n", reg, val);
}
/* ------------------------------------------------------------------------ */
#ifdef CONFIG_VIDEO_ADV_DEBUG
-static u8 upd64083_read(struct i2c_client *client, u8 reg)
+static u8 upd64083_read(struct v4l2_subdev *sd, u8 reg)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 buf[7];
if (reg >= sizeof(buf))
/* ------------------------------------------------------------------------ */
-static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int upd64083_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
{
- struct upd64083_state *state = i2c_get_clientdata(client);
- struct v4l2_routing *route = arg;
-
- switch (cmd) {
- case VIDIOC_INT_G_VIDEO_ROUTING:
- route->input = (state->mode >> 6) | (state->ext_y_adc >> 3);
- route->output = 0;
- break;
-
- case VIDIOC_INT_S_VIDEO_ROUTING:
- {
- u8 r00, r02;
-
- if (route->input > 7 || (route->input & 6) == 6)
- return -EINVAL;
- state->mode = (route->input & 3) << 6;
- state->ext_y_adc = (route->input & UPD64083_EXT_Y_ADC) << 3;
- r00 = (state->regs[R00] & ~(3 << 6)) | state->mode;
- r02 = (state->regs[R02] & ~(1 << 5)) | state->ext_y_adc;
- upd64083_write(client, R00, r00);
- upd64083_write(client, R02, r02);
- break;
- }
-
- case VIDIOC_LOG_STATUS:
- upd64083_log_status(client);
- break;
+ struct upd64083_state *state = to_state(sd);
+ u8 r00, r02;
+
+ if (input > 7 || (input & 6) == 6)
+ return -EINVAL;
+ state->mode = (input & 3) << 6;
+ state->ext_y_adc = (input & UPD64083_EXT_Y_ADC) << 3;
+ r00 = (state->regs[R00] & ~(3 << 6)) | state->mode;
+ r02 = (state->regs[R02] & ~(1 << 5)) | state->ext_y_adc;
+ upd64083_write(sd, R00, r00);
+ upd64083_write(sd, R02, r02);
+ return 0;
+}
#ifdef CONFIG_VIDEO_ADV_DEBUG
- case VIDIOC_DBG_G_REGISTER:
- case VIDIOC_DBG_S_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (cmd == VIDIOC_DBG_G_REGISTER)
- reg->val = upd64083_read(client, reg->reg & 0xff);
- else
- upd64083_write(client, reg->reg & 0xff, reg->val & 0xff);
- break;
- }
+static int upd64083_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client, ®->match))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->val = upd64083_read(sd, reg->reg & 0xff);
+ reg->size = 1;
+ return 0;
+}
+
+static int upd64083_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client, ®->match))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ upd64083_write(sd, reg->reg & 0xff, reg->val & 0xff);
+ return 0;
+}
#endif
- case VIDIOC_G_CHIP_IDENT:
- return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_UPD64083, 0);
+static int upd64083_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- default:
- break;
- }
+ return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_UPD64083, 0);
+}
+static int upd64083_log_status(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 buf[7];
+
+ i2c_master_recv(client, buf, 7);
+ v4l2_info(sd, "Status: SA00=%02x SA01=%02x SA02=%02x SA03=%02x "
+ "SA04=%02x SA05=%02x SA06=%02x\n",
+ buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
return 0;
}
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops upd64083_core_ops = {
+ .log_status = upd64083_log_status,
+ .g_chip_ident = upd64083_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = upd64083_g_register,
+ .s_register = upd64083_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_video_ops upd64083_video_ops = {
+ .s_routing = upd64083_s_routing,
+};
+
+static const struct v4l2_subdev_ops upd64083_ops = {
+ .core = &upd64083_core_ops,
+ .video = &upd64083_video_ops,
+};
+
/* ------------------------------------------------------------------------ */
/* i2c implementation */
-static int upd64083_probe(struct i2c_client *client)
+static int upd64083_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
struct upd64083_state *state;
+ struct v4l2_subdev *sd;
int i;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
- v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->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) {
+ if (state == NULL)
return -ENOMEM;
- }
- i2c_set_clientdata(client, state);
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &upd64083_ops);
/* 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++) {
- upd64083_write(client, i, state->regs[i]);
- }
+ for (i = 0; i < TOT_REGS; i++)
+ upd64083_write(sd, i, state->regs[i]);
return 0;
}
static int upd64083_remove(struct i2c_client *client)
{
- kfree(i2c_get_clientdata(client));
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ v4l2_device_unregister_subdev(sd);
+ kfree(to_state(sd));
return 0;
}
/* ----------------------------------------------------------------------- */
+static const struct i2c_device_id upd64083_id[] = {
+ { "upd64083", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, upd64083_id);
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "upd64083",
- .driverid = I2C_DRIVERID_UPD64083,
- .command = upd64083_command,
.probe = upd64083_probe,
.remove = upd64083_remove,
+ .id_table = upd64083_id,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff