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path: root/drivers/staging/media/go7007/wis-tw2804.c
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Diffstat (limited to 'drivers/staging/media/go7007/wis-tw2804.c')
-rw-r--r--drivers/staging/media/go7007/wis-tw2804.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/drivers/staging/media/go7007/wis-tw2804.c b/drivers/staging/media/go7007/wis-tw2804.c
deleted file mode 100644
index 290fd8c7bfe..00000000000
--- a/drivers/staging/media/go7007/wis-tw2804.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- * Copyright (C) 2005-2006 Micronas USA Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * 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., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <linux/ioctl.h>
-#include <linux/slab.h>
-
-#include "wis-i2c.h"
-
-struct wis_tw2804 {
- int channel;
- int norm;
- int brightness;
- int contrast;
- int saturation;
- int hue;
-};
-
-static u8 global_registers[] = {
- 0x39, 0x00,
- 0x3a, 0xff,
- 0x3b, 0x84,
- 0x3c, 0x80,
- 0x3d, 0x80,
- 0x3e, 0x82,
- 0x3f, 0x82,
- 0xff, 0xff, /* Terminator (reg 0xff does not exist) */
-};
-
-static u8 channel_registers[] = {
- 0x01, 0xc4,
- 0x02, 0xa5,
- 0x03, 0x20,
- 0x04, 0xd0,
- 0x05, 0x20,
- 0x06, 0xd0,
- 0x07, 0x88,
- 0x08, 0x20,
- 0x09, 0x07,
- 0x0a, 0xf0,
- 0x0b, 0x07,
- 0x0c, 0xf0,
- 0x0d, 0x40,
- 0x0e, 0xd2,
- 0x0f, 0x80,
- 0x10, 0x80,
- 0x11, 0x80,
- 0x12, 0x80,
- 0x13, 0x1f,
- 0x14, 0x00,
- 0x15, 0x00,
- 0x16, 0x00,
- 0x17, 0x00,
- 0x18, 0xff,
- 0x19, 0xff,
- 0x1a, 0xff,
- 0x1b, 0xff,
- 0x1c, 0xff,
- 0x1d, 0xff,
- 0x1e, 0xff,
- 0x1f, 0xff,
- 0x20, 0x07,
- 0x21, 0x07,
- 0x22, 0x00,
- 0x23, 0x91,
- 0x24, 0x51,
- 0x25, 0x03,
- 0x26, 0x00,
- 0x27, 0x00,
- 0x28, 0x00,
- 0x29, 0x00,
- 0x2a, 0x00,
- 0x2b, 0x00,
- 0x2c, 0x00,
- 0x2d, 0x00,
- 0x2e, 0x00,
- 0x2f, 0x00,
- 0x30, 0x00,
- 0x31, 0x00,
- 0x32, 0x00,
- 0x33, 0x00,
- 0x34, 0x00,
- 0x35, 0x00,
- 0x36, 0x00,
- 0x37, 0x00,
- 0xff, 0xff, /* Terminator (reg 0xff does not exist) */
-};
-
-static int write_reg(struct i2c_client *client, u8 reg, u8 value, int channel)
-{
- return i2c_smbus_write_byte_data(client, reg | (channel << 6), value);
-}
-
-static int write_regs(struct i2c_client *client, u8 *regs, int channel)
-{
- int i;
-
- for (i = 0; regs[i] != 0xff; i += 2)
- if (i2c_smbus_write_byte_data(client,
- regs[i] | (channel << 6), regs[i + 1]) < 0)
- return -1;
- return 0;
-}
-
-static int wis_tw2804_command(struct i2c_client *client,
- unsigned int cmd, void *arg)
-{
- struct wis_tw2804 *dec = i2c_get_clientdata(client);
-
- if (cmd == DECODER_SET_CHANNEL) {
- int *input = arg;
-
- if (*input < 0 || *input > 3) {
- dev_err(&client->dev,
- "channel %d is not between 0 and 3!\n", *input);
- return 0;
- }
- dec->channel = *input;
- dev_dbg(&client->dev, "initializing TW2804 channel %d\n",
- dec->channel);
- if (dec->channel == 0 &&
- write_regs(client, global_registers, 0) < 0) {
- dev_err(&client->dev,
- "error initializing TW2804 global registers\n");
- return 0;
- }
- if (write_regs(client, channel_registers, dec->channel) < 0) {
- dev_err(&client->dev,
- "error initializing TW2804 channel %d\n",
- dec->channel);
- return 0;
- }
- return 0;
- }
-
- if (dec->channel < 0) {
- dev_dbg(&client->dev,
- "ignoring command %08x until channel number is set\n",
- cmd);
- return 0;
- }
-
- switch (cmd) {
- case VIDIOC_S_STD:
- {
- v4l2_std_id *input = arg;
- u8 regs[] = {
- 0x01, *input & V4L2_STD_NTSC ? 0xc4 : 0x84,
- 0x09, *input & V4L2_STD_NTSC ? 0x07 : 0x04,
- 0x0a, *input & V4L2_STD_NTSC ? 0xf0 : 0x20,
- 0x0b, *input & V4L2_STD_NTSC ? 0x07 : 0x04,
- 0x0c, *input & V4L2_STD_NTSC ? 0xf0 : 0x20,
- 0x0d, *input & V4L2_STD_NTSC ? 0x40 : 0x4a,
- 0x16, *input & V4L2_STD_NTSC ? 0x00 : 0x40,
- 0x17, *input & V4L2_STD_NTSC ? 0x00 : 0x40,
- 0x20, *input & V4L2_STD_NTSC ? 0x07 : 0x0f,
- 0x21, *input & V4L2_STD_NTSC ? 0x07 : 0x0f,
- 0xff, 0xff,
- };
- write_regs(client, regs, dec->channel);
- dec->norm = *input;
- break;
- }
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *ctrl = arg;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->type = V4L2_CTRL_TYPE_INTEGER;
- strncpy(ctrl->name, "Brightness", sizeof(ctrl->name));
- ctrl->minimum = 0;
- ctrl->maximum = 255;
- ctrl->step = 1;
- ctrl->default_value = 128;
- ctrl->flags = 0;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->type = V4L2_CTRL_TYPE_INTEGER;
- strncpy(ctrl->name, "Contrast", sizeof(ctrl->name));
- ctrl->minimum = 0;
- ctrl->maximum = 255;
- ctrl->step = 1;
- ctrl->default_value = 128;
- ctrl->flags = 0;
- break;
- case V4L2_CID_SATURATION:
- ctrl->type = V4L2_CTRL_TYPE_INTEGER;
- strncpy(ctrl->name, "Saturation", sizeof(ctrl->name));
- ctrl->minimum = 0;
- ctrl->maximum = 255;
- ctrl->step = 1;
- ctrl->default_value = 128;
- ctrl->flags = 0;
- break;
- case V4L2_CID_HUE:
- ctrl->type = V4L2_CTRL_TYPE_INTEGER;
- strncpy(ctrl->name, "Hue", sizeof(ctrl->name));
- ctrl->minimum = 0;
- ctrl->maximum = 255;
- ctrl->step = 1;
- ctrl->default_value = 128;
- ctrl->flags = 0;
- break;
- }
- break;
- }
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl = arg;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- if (ctrl->value > 255)
- dec->brightness = 255;
- else if (ctrl->value < 0)
- dec->brightness = 0;
- else
- dec->brightness = ctrl->value;
- write_reg(client, 0x12, dec->brightness, dec->channel);
- break;
- case V4L2_CID_CONTRAST:
- if (ctrl->value > 255)
- dec->contrast = 255;
- else if (ctrl->value < 0)
- dec->contrast = 0;
- else
- dec->contrast = ctrl->value;
- write_reg(client, 0x11, dec->contrast, dec->channel);
- break;
- case V4L2_CID_SATURATION:
- if (ctrl->value > 255)
- dec->saturation = 255;
- else if (ctrl->value < 0)
- dec->saturation = 0;
- else
- dec->saturation = ctrl->value;
- write_reg(client, 0x10, dec->saturation, dec->channel);
- break;
- case V4L2_CID_HUE:
- if (ctrl->value > 255)
- dec->hue = 255;
- else if (ctrl->value < 0)
- dec->hue = 0;
- else
- dec->hue = ctrl->value;
- write_reg(client, 0x0f, dec->hue, dec->channel);
- break;
- }
- break;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *ctrl = arg;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->value = dec->brightness;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->value = dec->contrast;
- break;
- case V4L2_CID_SATURATION:
- ctrl->value = dec->saturation;
- break;
- case V4L2_CID_HUE:
- ctrl->value = dec->hue;
- break;
- }
- break;
- }
- default:
- break;
- }
- return 0;
-}
-
-static int wis_tw2804_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct i2c_adapter *adapter = client->adapter;
- struct wis_tw2804 *dec;
-
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -ENODEV;
-
- dec = kmalloc(sizeof(struct wis_tw2804), GFP_KERNEL);
- if (dec == NULL)
- return -ENOMEM;
-
- dec->channel = -1;
- dec->norm = V4L2_STD_NTSC;
- dec->brightness = 128;
- dec->contrast = 128;
- dec->saturation = 128;
- dec->hue = 128;
- i2c_set_clientdata(client, dec);
-
- dev_dbg(&client->dev, "creating TW2804 at address %d on %s\n",
- client->addr, adapter->name);
-
- return 0;
-}
-
-static int wis_tw2804_remove(struct i2c_client *client)
-{
- struct wis_tw2804 *dec = i2c_get_clientdata(client);
-
- kfree(dec);
- return 0;
-}
-
-static const struct i2c_device_id wis_tw2804_id[] = {
- { "wis_tw2804", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, wis_tw2804_id);
-
-static struct i2c_driver wis_tw2804_driver = {
- .driver = {
- .name = "WIS TW2804 I2C driver",
- },
- .probe = wis_tw2804_probe,
- .remove = wis_tw2804_remove,
- .command = wis_tw2804_command,
- .id_table = wis_tw2804_id,
-};
-
-module_i2c_driver(wis_tw2804_driver);
-
-MODULE_LICENSE("GPL v2");