diff options
Diffstat (limited to 'drivers/staging/media/go7007/wis-tw2804.c')
| -rw-r--r-- | drivers/staging/media/go7007/wis-tw2804.c | 348 |
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 290fd8c7bfef..000000000000 --- 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"); |