diff options
Diffstat (limited to 'drivers/staging/media/go7007/wis-tw9903.c')
| -rw-r--r-- | drivers/staging/media/go7007/wis-tw9903.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/drivers/staging/media/go7007/wis-tw9903.c b/drivers/staging/media/go7007/wis-tw9903.c deleted file mode 100644 index 684ca37f0382..000000000000 --- a/drivers/staging/media/go7007/wis-tw9903.c +++ /dev/null @@ -1,328 +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_tw9903 { - int norm; - int brightness; - int contrast; - int hue; -}; - -static u8 initial_registers[] = { - 0x02, 0x44, /* input 1, composite */ - 0x03, 0x92, /* correct digital format */ - 0x04, 0x00, - 0x05, 0x80, /* or 0x00 for PAL */ - 0x06, 0x40, /* second internal current reference */ - 0x07, 0x02, /* window */ - 0x08, 0x14, /* window */ - 0x09, 0xf0, /* window */ - 0x0a, 0x81, /* window */ - 0x0b, 0xd0, /* window */ - 0x0c, 0x8c, - 0x0d, 0x00, /* scaling */ - 0x0e, 0x11, /* scaling */ - 0x0f, 0x00, /* scaling */ - 0x10, 0x00, /* brightness */ - 0x11, 0x60, /* contrast */ - 0x12, 0x01, /* sharpness */ - 0x13, 0x7f, /* U gain */ - 0x14, 0x5a, /* V gain */ - 0x15, 0x00, /* hue */ - 0x16, 0xc3, /* sharpness */ - 0x18, 0x00, - 0x19, 0x58, /* vbi */ - 0x1a, 0x80, - 0x1c, 0x0f, /* video norm */ - 0x1d, 0x7f, /* video norm */ - 0x20, 0xa0, /* clamping gain (working 0x50) */ - 0x21, 0x22, - 0x22, 0xf0, - 0x23, 0xfe, - 0x24, 0x3c, - 0x25, 0x38, - 0x26, 0x44, - 0x27, 0x20, - 0x28, 0x00, - 0x29, 0x15, - 0x2a, 0xa0, - 0x2b, 0x44, - 0x2c, 0x37, - 0x2d, 0x00, - 0x2e, 0xa5, /* burst PLL control (working: a9) */ - 0x2f, 0xe0, /* 0xea is blue test frame -- 0xe0 for normal */ - 0x31, 0x00, - 0x33, 0x22, - 0x34, 0x11, - 0x35, 0x35, - 0x3b, 0x05, - 0x06, 0xc0, /* reset device */ - 0x00, 0x00, /* Terminator (reg 0x00 is read-only) */ -}; - -static int write_reg(struct i2c_client *client, u8 reg, u8 value) -{ - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int write_regs(struct i2c_client *client, u8 *regs) -{ - int i; - - for (i = 0; regs[i] != 0x00; i += 2) - if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0) - return -1; - return 0; -} - -static int wis_tw9903_command(struct i2c_client *client, - unsigned int cmd, void *arg) -{ - struct wis_tw9903 *dec = i2c_get_clientdata(client); - - switch (cmd) { - case VIDIOC_S_INPUT: - { - int *input = arg; - - i2c_smbus_write_byte_data(client, 0x02, 0x40 | (*input << 1)); - break; - } -#if 0 - /* The scaler on this thing seems to be horribly broken */ - case DECODER_SET_RESOLUTION: - { - struct video_decoder_resolution *res = arg; - /*int hscale = 256 * 720 / res->width;*/ - int hscale = 256 * 720 / (res->width - (res->width > 704 ? 0 : 8)); - int vscale = 256 * (dec->norm & V4L2_STD_NTSC ? 240 : 288) - / res->height; - u8 regs[] = { - 0x0d, vscale & 0xff, - 0x0f, hscale & 0xff, - 0x0e, ((vscale & 0xf00) >> 4) | ((hscale & 0xf00) >> 8), - 0x06, 0xc0, /* reset device */ - 0, 0, - }; - dev_dbg(&client->dev, "vscale is %04x, hscale is %04x\n", - vscale, hscale); - /*write_regs(client, regs);*/ - break; - } -#endif - case VIDIOC_S_STD: - { - v4l2_std_id *input = arg; - u8 regs[] = { - 0x05, *input & V4L2_STD_NTSC ? 0x80 : 0x00, - 0x07, *input & V4L2_STD_NTSC ? 0x02 : 0x12, - 0x08, *input & V4L2_STD_NTSC ? 0x14 : 0x18, - 0x09, *input & V4L2_STD_NTSC ? 0xf0 : 0x20, - 0, 0, - }; - write_regs(client, regs); - 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 = -128; - ctrl->maximum = 127; - ctrl->step = 1; - ctrl->default_value = 0x00; - 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 = 0x60; - ctrl->flags = 0; - break; -#if 0 - /* I don't understand how the Chroma Gain registers work... */ - case V4L2_CID_SATURATION: - ctrl->type = V4L2_CTRL_TYPE_INTEGER; - strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)); - ctrl->minimum = 0; - ctrl->maximum = 127; - ctrl->step = 1; - ctrl->default_value = 64; - ctrl->flags = 0; - break; -#endif - case V4L2_CID_HUE: - ctrl->type = V4L2_CTRL_TYPE_INTEGER; - strncpy(ctrl->name, "Hue", sizeof(ctrl->name)); - ctrl->minimum = -128; - ctrl->maximum = 127; - ctrl->step = 1; - ctrl->default_value = 0; - ctrl->flags = 0; - break; - } - break; - } - case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl = arg; - - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - if (ctrl->value > 127) - dec->brightness = 127; - else if (ctrl->value < -128) - dec->brightness = -128; - else - dec->brightness = ctrl->value; - write_reg(client, 0x10, dec->brightness); - 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); - break; -#if 0 - case V4L2_CID_SATURATION: - if (ctrl->value > 127) - dec->saturation = 127; - else if (ctrl->value < 0) - dec->saturation = 0; - else - dec->saturation = ctrl->value; - /*write_reg(client, 0x0c, dec->saturation);*/ - break; -#endif - case V4L2_CID_HUE: - if (ctrl->value > 127) - dec->hue = 127; - else if (ctrl->value < -128) - dec->hue = -128; - else - dec->hue = ctrl->value; - write_reg(client, 0x15, dec->hue); - 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; -#if 0 - case V4L2_CID_SATURATION: - ctrl->value = dec->saturation; - break; -#endif - case V4L2_CID_HUE: - ctrl->value = dec->hue; - break; - } - break; - } - default: - break; - } - return 0; -} - -static int wis_tw9903_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct i2c_adapter *adapter = client->adapter; - struct wis_tw9903 *dec; - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -ENODEV; - - dec = kmalloc(sizeof(struct wis_tw9903), GFP_KERNEL); - if (dec == NULL) - return -ENOMEM; - - dec->norm = V4L2_STD_NTSC; - dec->brightness = 0; - dec->contrast = 0x60; - dec->hue = 0; - i2c_set_clientdata(client, dec); - - dev_dbg(&client->dev, "initializing TW9903 at address %d on %s\n", - client->addr, adapter->name); - - if (write_regs(client, initial_registers) < 0) { - dev_err(&client->dev, "error initializing TW9903\n"); - kfree(dec); - return -ENODEV; - } - - return 0; -} - -static int wis_tw9903_remove(struct i2c_client *client) -{ - struct wis_tw9903 *dec = i2c_get_clientdata(client); - - kfree(dec); - return 0; -} - -static const struct i2c_device_id wis_tw9903_id[] = { - { "wis_tw9903", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, wis_tw9903_id); - -static struct i2c_driver wis_tw9903_driver = { - .driver = { - .name = "WIS TW9903 I2C driver", - }, - .probe = wis_tw9903_probe, - .remove = wis_tw9903_remove, - .command = wis_tw9903_command, - .id_table = wis_tw9903_id, -}; - -module_i2c_driver(wis_tw9903_driver); - -MODULE_LICENSE("GPL v2"); |