V4L/DVB (11380): v4l2-subdev: change s_routing prototype
[linux-2.6.git] / drivers / media / video / upd64031a.c
index 0b2a961..a07a3fb 100644 (file)
  */
 
 
-#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.h>
 #include <media/upd64031a.h>
 
-// --------------------- read registers functions define -----------------------
+/* --------------------- read registers functions define -------------------- */
 
 /* bit masks */
 #define GR_MODE_MASK              0xc0
 #define DIRECT_3DYCS_CONNECT_MASK 0xc0
 #define SYNC_CIRCUIT_MASK         0xa0
 
-// -----------------------------------------------------------------------------
+/* -------------------------------------------------------------------------- */
 
 MODULE_DESCRIPTION("uPD64031A driver");
 MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil");
 MODULE_LICENSE("GPL");
 
-static int debug = 0;
+static int debug;
 module_param(debug, int, 0644);
 
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-static unsigned short normal_i2c[] = { 0x24 >> 1, 0x26 >> 1, I2C_CLIENT_END };
-
-
-I2C_CLIENT_INSMOD;
 
 enum {
        R00 = 0, R01, R02, R03, R04,
@@ -65,6 +61,7 @@ enum {
 };
 
 struct upd64031a_state {
+       struct v4l2_subdev sd;
        u8 regs[TOT_REGS];
        u8 gr_mode;
        u8 direct_3dycs_connect;
@@ -72,6 +69,11 @@ struct upd64031a_state {
        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,
@@ -81,8 +83,9 @@ static u8 upd64031a_init[] = {
 
 /* ------------------------------------------------------------------------ */
 
-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))
@@ -93,190 +96,174 @@ static u8 upd64031a_read(struct i2c_client *client, u8 reg)
 
 /* ------------------------------------------------------------------------ */
 
-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, "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);
 }
 
 /* ------------------------------------------------------------------------ */
 
 /* 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_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int upd64031a_s_routing(struct v4l2_subdev *sd,
+                              u32 input, u32 output, u32 config)
+{
+       struct upd64031a_state *state = to_state(sd);
+       u8 r00, r05, r08;
+
+       state->gr_mode = (input & 3) << 6;
+       state->direct_3dycs_connect = (input & 0xc) << 4;
+       state->ext_comp_sync =
+               (input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
+       state->ext_vert_sync =
+               (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_dbg_chip_ident *chip)
 {
-       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;
+       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
-       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);
-               else
-                       upd64031a_write(client, reg->reg & 0xff, reg->val & 0xff);
-               break;
-       }
-#endif
+static int upd64031a_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, &reg->match))
+               return -EINVAL;
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+       reg->val = upd64031a_read(sd, reg->reg & 0xff);
+       reg->size = 1;
+       return 0;
+}
 
-       case VIDIOC_G_CHIP_IDENT:
-               return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_UPD64031A, 0);
+static int upd64031a_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-       default:
-               break;
-       }
+       if (!v4l2_chip_match_i2c_client(client, &reg->match))
+               return -EINVAL;
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+       upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
        return 0;
 }
+#endif
+
+/* ----------------------------------------------------------------------- */
+
+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
+       .g_register = upd64031a_g_register,
+       .s_register = upd64031a_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
+       .s_frequency = upd64031a_s_frequency,
+};
+
+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,
+};
 
 /* ------------------------------------------------------------------------ */
 
 /* i2c implementation */
 
-static struct i2c_driver i2c_driver;
-
-static int upd64031a_attach(struct i2c_adapter *adapter, int address, int kind)
+static int upd64031a_probe(struct i2c_client *client,
+                          const struct i2c_device_id *id)
 {
-       struct i2c_client *client;
        struct upd64031a_state *state;
+       struct v4l2_subdev *sd;
        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, "uPD64031A");
-
-       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 upd64031a_state), GFP_KERNEL);
-       if (state == NULL) {
-               kfree(client);
+       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]);
-       }
-
-       i2c_attach_client(client);
-
-       return 0;
-}
-
-static int upd64031a_probe(struct i2c_adapter *adapter)
-{
-       if (adapter->class & I2C_CLASS_TV_ANALOG)
-               return i2c_probe(adapter, &addr_data, upd64031a_attach);
+       for (i = 0; i < TOT_REGS; i++)
+               upd64031a_write(sd, i, state->regs[i]);
        return 0;
 }
 
-static int upd64031a_detach(struct i2c_client *client)
+static int upd64031a_remove(struct i2c_client *client)
 {
-       int err;
-
-       err = i2c_detach_client(client);
-       if (err)
-               return err;
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
 
-       kfree(client);
+       v4l2_device_unregister_subdev(sd);
+       kfree(to_state(sd));
        return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-/* i2c implementation */
-static struct i2c_driver i2c_driver = {
-       .driver = {
-               .name = "upd64031a",
-       },
-       .id = I2C_DRIVERID_UPD64031A,
-       .attach_adapter = upd64031a_probe,
-       .detach_client  = upd64031a_detach,
-       .command = upd64031a_command,
+static const struct i2c_device_id upd64031a_id[] = {
+       { "upd64031a", 0 },
+       { }
 };
+MODULE_DEVICE_TABLE(i2c, upd64031a_id);
 
-
-static int __init upd64031a_init_module(void)
-{
-       return i2c_add_driver(&i2c_driver);
-}
-
-static void __exit upd64031a_exit_module(void)
-{
-       i2c_del_driver(&i2c_driver);
-}
-
-module_init(upd64031a_init_module);
-module_exit(upd64031a_exit_module);
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+       .name = "upd64031a",
+       .probe = upd64031a_probe,
+       .remove = upd64031a_remove,
+       .id_table = upd64031a_id,
+};