#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.h>
#include <media/upd64031a.h>
};
struct upd64031a_state {
+ struct v4l2_subdev sd;
u8 regs[TOT_REGS];
u8 gr_mode;
u8 direct_3dycs_connect;
u8 ext_vert_sync;
};
+static inline struct upd64031a_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct upd64031a_state, sd);
+}
+
static u8 upd64031a_init[] = {
0x00, 0xb8, 0x48, 0xd2, 0xe6,
0x03, 0x10, 0x0b, 0xaf, 0x7f,
/* ------------------------------------------------------------------------ */
-static u8 upd64031a_read(struct i2c_client *client, u8 reg)
+static u8 upd64031a_read(struct v4l2_subdev *sd, u8 reg)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 buf[2];
if (reg >= sizeof(buf))
/* ------------------------------------------------------------------------ */
-static void upd64031a_write(struct i2c_client *client, u8 reg, u8 val)
+static void upd64031a_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, "write reg: %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);
}
/* ------------------------------------------------------------------------ */
/* The input changed due to new input or channel changed */
-static void upd64031a_change(struct i2c_client *client)
+static int upd64031a_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
{
- struct upd64031a_state *state = i2c_get_clientdata(client);
+ struct upd64031a_state *state = to_state(sd);
u8 reg = state->regs[R00];
- v4l_dbg(1, debug, client, "changed input or channel\n");
- upd64031a_write(client, R00, reg | 0x10);
- upd64031a_write(client, R00, reg & ~0x10);
+ v4l2_dbg(1, debug, sd, "changed input or channel\n");
+ upd64031a_write(sd, R00, reg | 0x10);
+ upd64031a_write(sd, R00, reg & ~0x10);
+ return 0;
}
/* ------------------------------------------------------------------------ */
+static int upd64031a_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+ struct upd64031a_state *state = to_state(sd);
+ u8 r00, r05, r08;
+
+ state->gr_mode = (route->input & 3) << 6;
+ state->direct_3dycs_connect = (route->input & 0xc) << 4;
+ state->ext_comp_sync =
+ (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
+ state->ext_vert_sync =
+ (route->input & UPD64031A_VERTICAL_EXTERNAL) << 2;
+ r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
+ r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
+ state->ext_comp_sync | state->ext_vert_sync;
+ r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
+ state->direct_3dycs_connect;
+ upd64031a_write(sd, R00, r00);
+ upd64031a_write(sd, R05, r05);
+ upd64031a_write(sd, R08, r08);
+ return upd64031a_s_frequency(sd, NULL);
+}
+
+static int upd64031a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_UPD64031A, 0);
+}
+
+static int upd64031a_log_status(struct v4l2_subdev *sd)
+{
+ v4l2_info(sd, "Status: SA00=0x%02x SA01=0x%02x\n",
+ upd64031a_read(sd, 0), upd64031a_read(sd, 1));
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client,
+ reg->match_type, reg->match_chip))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->val = upd64031a_read(sd, reg->reg & 0xff);
+ return 0;
+}
+
+static int upd64031a_s_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client,
+ reg->match_type, reg->match_chip))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
+ return 0;
+}
+#endif
+
static int upd64031a_command(struct i2c_client *client, unsigned cmd, void *arg)
{
- struct upd64031a_state *state = i2c_get_clientdata(client);
- struct v4l2_routing *route = arg;
-
- switch (cmd) {
- case VIDIOC_S_FREQUENCY:
- upd64031a_change(client);
- break;
-
- case VIDIOC_INT_G_VIDEO_ROUTING:
- route->input = (state->gr_mode >> 6) |
- (state->direct_3dycs_connect >> 4) |
- (state->ext_comp_sync >> 1) |
- (state->ext_vert_sync >> 2);
- route->output = 0;
- break;
-
- case VIDIOC_INT_S_VIDEO_ROUTING:
- {
- u8 r00, r05, r08;
-
- state->gr_mode = (route->input & 3) << 6;
- state->direct_3dycs_connect = (route->input & 0xc) << 4;
- state->ext_comp_sync =
- (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
- state->ext_vert_sync =
- (route->input & UPD64031A_VERTICAL_EXTERNAL) << 2;
- r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
- r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
- state->ext_comp_sync | state->ext_vert_sync;
- r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
- state->direct_3dycs_connect;
- upd64031a_write(client, R00, r00);
- upd64031a_write(client, R05, r05);
- upd64031a_write(client, R08, r08);
- upd64031a_change(client);
- break;
- }
-
- case VIDIOC_LOG_STATUS:
- v4l_info(client, "Status: SA00=0x%02x SA01=0x%02x\n",
- upd64031a_read(client, 0), upd64031a_read(client, 1));
- break;
+ return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
+
+/* ----------------------------------------------------------------------- */
+static const struct v4l2_subdev_core_ops upd64031a_core_ops = {
+ .log_status = upd64031a_log_status,
+ .g_chip_ident = upd64031a_g_chip_ident,
#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 = upd64031a_read(client, reg->reg & 0xff);
- break;
- }
- upd64031a_write(client, reg->reg & 0xff, reg->val & 0xff);
- break;
- }
+ .g_register = upd64031a_g_register,
+ .s_register = upd64031a_s_register,
#endif
+};
- case VIDIOC_G_CHIP_IDENT:
- return v4l2_chip_ident_i2c_client(client, arg,
- V4L2_IDENT_UPD64031A, 0);
+static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
+ .s_frequency = upd64031a_s_frequency,
+};
- default:
- break;
- }
- return 0;
-}
+static const struct v4l2_subdev_video_ops upd64031a_video_ops = {
+ .s_routing = upd64031a_s_routing,
+};
+
+static const struct v4l2_subdev_ops upd64031a_ops = {
+ .core = &upd64031a_core_ops,
+ .tuner = &upd64031a_tuner_ops,
+ .video = &upd64031a_video_ops,
+};
/* ------------------------------------------------------------------------ */
const struct i2c_device_id *id)
{
struct upd64031a_state *state;
+ struct v4l2_subdev *sd;
int i;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
- i2c_set_clientdata(client, state);
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &upd64031a_ops);
memcpy(state->regs, upd64031a_init, sizeof(state->regs));
state->gr_mode = UPD64031A_GR_ON << 6;
state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4;
state->ext_comp_sync = state->ext_vert_sync = 0;
for (i = 0; i < TOT_REGS; i++)
- upd64031a_write(client, i, state->regs[i]);
+ upd64031a_write(sd, i, state->regs[i]);
return 0;
}
static int upd64031a_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;
}
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff