@@ -435,6 +435,15 @@ config VIDEO_ADV7343
To compile this driver as a module, choose M here: the
module will be called adv7473.
+config VIDEO_THS7303
+ tristate "THS7303 Video Amplifier"
+ depends on I2C
+ help
+ Support for TI THS7303 video amplifier
+
+ To compile this driver as a module, choose M here: the
+ module will be called ths7303.
+
comment "Video improvement chips"
config VIDEO_UPD64031A
@@ -55,6 +55,7 @@ obj-$(CONFIG_VIDEO_BT819) += bt819.o
obj-$(CONFIG_VIDEO_BT856) += bt856.o
obj-$(CONFIG_VIDEO_BT866) += bt866.o
obj-$(CONFIG_VIDEO_KS0127) += ks0127.o
+obj-$(CONFIG_VIDEO_THS7303) += ths7303.o
obj-$(CONFIG_VIDEO_ZORAN) += zoran/
new file mode 100644
@@ -0,0 +1,179 @@
+/*
+ * ths7303- THS7303 Video Amplifier driver
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed .as is. WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ctype.h>
+#include <linux/i2c.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/uaccess.h>
+#include <linux/videodev2.h>
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-i2c-drv.h>
+#include <media/v4l2-subdev.h>
+#include <media/ths7303.h>
+
+static int debug;
+
+struct ths7303_state {
+ struct i2c_client *client;
+ struct v4l2_subdev sd;
+};
+
+static inline struct ths7303_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct ths7303_state, sd);
+}
+
+/* following function is used to set ths7303 */
+static int ths7303_setvalue(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ int err = 0;
+ u8 val;
+ struct ths7303_state *state;
+ struct i2c_client *client;
+
+ state = to_state(sd);
+ client = state->client;
+
+ if (client == NULL) {
+ printk(KERN_ERR "THS7303 Client not found\n");
+ return -ENODEV;
+ }
+
+ if ((std == V4L2_STD_NTSC) || (std == V4L2_STD_PAL))
+ val = 0x02;
+ else if ((std == V4L2_STD_480P_60) || (std == V4L2_STD_576P_50))
+ val = 0x4A;
+ else
+ val = 0x92;
+
+ err |= i2c_smbus_write_byte_data(client, 0x01, val);
+ err |= i2c_smbus_write_byte_data(client, 0x02, val);
+ err |= i2c_smbus_write_byte_data(client, 0x03, val);
+
+ if (err)
+ printk(KERN_ERR "ths7303 write\n");
+
+ mdelay(100);
+
+ return err;
+}
+
+static long ths7303_ioctl(struct v4l2_subdev *sd, unsigned cmd, void *arg)
+{
+ int err = 0;
+ v4l2_dbg(1, debug, sd, "ioctl\n");
+ switch (cmd) {
+
+ case THS7303_SETVALUE:
+ err = ths7303_setvalue(sd, *(v4l2_std_id *) arg);
+ break;
+
+ default:
+ break;
+ }
+
+ return err;
+}
+
+static int ths7303_initialize(struct v4l2_subdev *sd, u32 val)
+{
+ v4l2_std_id id = V4L2_STD_NTSC;
+ return (int) ths7303_ioctl(sd, THS7303_SETVALUE, &id);
+}
+
+static const struct v4l2_subdev_core_ops ths7303_core_ops = {
+ .ioctl = ths7303_ioctl,
+ .init = ths7303_initialize,
+};
+
+static const struct v4l2_subdev_ops ths7303_ops = {
+ .core = &ths7303_core_ops,
+};
+
+static int ths7303_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+ return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
+
+static int ths7303_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ths7303_state *state;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
+
+ v4l2_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+
+ state = kzalloc(sizeof(struct ths7303_state), GFP_KERNEL);
+ if (state == NULL)
+ return -ENOMEM;
+
+ state->client = client;
+ v4l2_i2c_subdev_init(&state->sd, client, &ths7303_ops);
+ v4l2_dbg(1, debug, client, "Registered video amplifier\n");
+
+ return 0;
+}
+
+static int ths7303_remove(struct i2c_client *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 ths7303_id[] = {
+ {THS7303_NAME, 0},
+ {},
+};
+
+MODULE_DEVICE_TABLE(i2c, ths7303_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = THS7303_NAME,
+ .command = ths7303_command,
+ .probe = ths7303_probe,
+ .remove = ths7303_remove,
+ .legacy_class = I2C_CLASS_TV_ANALOG | I2C_CLASS_TV_DIGITAL,
+ .id_table = ths7303_id,
+};
+
+static int __init ths7303_init(void)
+{
+ return 0;
+}
+
+static void __exit ths7303_exit(void)
+{
+
+}
+
+module_init(ths7303_init);
+module_exit(ths7303_exit);
+
+MODULE_DESCRIPTION("THS7303 video amplifier driver");
+MODULE_AUTHOR("Chaithrika U S");
+MODULE_LICENSE("GPL");
+
new file mode 100644
@@ -0,0 +1,26 @@
+/*
+ * THS7303 header file
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed .as is. WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef THS7303_H
+#define THS7303_H
+
+#include <linux/videodev2.h>
+
+#define THS7303_NAME "ths7303"
+
+#define THS7303_SETVALUE _IOW('e', BASE_VIDIOC_PRIVATE + 1,\
+ v4l2_std_id *)
+
+#endif