diff options
Diffstat (limited to 'drivers/media/video/adv7180.c')
| -rw-r--r-- | drivers/media/video/adv7180.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/drivers/media/video/adv7180.c b/drivers/media/video/adv7180.c deleted file mode 100644 index 1b3cbd02a7f..00000000000 --- a/drivers/media/video/adv7180.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * adv7180.c Analog Devices ADV7180 video decoder driver - * Copyright (c) 2009 Intel Corporation - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/i2c.h> -#include <linux/i2c-id.h> -#include <media/v4l2-ioctl.h> -#include <linux/videodev2.h> -#include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> - -#define DRIVER_NAME "adv7180" - -#define ADV7180_INPUT_CONTROL_REG 0x00 -#define ADV7180_INPUT_CONTROL_PAL_BG_NTSC_J_SECAM 0x00 -#define ADV7180_AUTODETECT_ENABLE_REG 0x07 -#define ADV7180_AUTODETECT_DEFAULT 0x7f - - -#define ADV7180_STATUS1_REG 0x10 -#define ADV7180_STATUS1_AUTOD_MASK 0x70 -#define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00 -#define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10 -#define ADV7180_STATUS1_AUTOD_PAL_M 0x20 -#define ADV7180_STATUS1_AUTOD_PAL_60 0x30 -#define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40 -#define ADV7180_STATUS1_AUTOD_SECAM 0x50 -#define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60 -#define ADV7180_STATUS1_AUTOD_SECAM_525 0x70 - -#define ADV7180_IDENT_REG 0x11 -#define ADV7180_ID_7180 0x18 - - -struct adv7180_state { - struct v4l2_subdev sd; -}; - -static v4l2_std_id determine_norm(struct i2c_client *client) -{ - u8 status1 = i2c_smbus_read_byte_data(client, ADV7180_STATUS1_REG); - - switch (status1 & ADV7180_STATUS1_AUTOD_MASK) { - case ADV7180_STATUS1_AUTOD_NTSM_M_J: - return V4L2_STD_NTSC_M_JP; - case ADV7180_STATUS1_AUTOD_NTSC_4_43: - return V4L2_STD_NTSC_443; - case ADV7180_STATUS1_AUTOD_PAL_M: - return V4L2_STD_PAL_M; - case ADV7180_STATUS1_AUTOD_PAL_60: - return V4L2_STD_PAL_60; - case ADV7180_STATUS1_AUTOD_PAL_B_G: - return V4L2_STD_PAL; - case ADV7180_STATUS1_AUTOD_SECAM: - return V4L2_STD_SECAM; - case ADV7180_STATUS1_AUTOD_PAL_COMB: - return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N; - case ADV7180_STATUS1_AUTOD_SECAM_525: - return V4L2_STD_SECAM; - default: - return V4L2_STD_UNKNOWN; - } -} - -static inline struct adv7180_state *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct adv7180_state, sd); -} - -static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - *std = determine_norm(client); - return 0; -} - -static int adv7180_g_chip_ident(struct v4l2_subdev *sd, - struct v4l2_dbg_chip_ident *chip) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7180, 0); -} - -static const struct v4l2_subdev_video_ops adv7180_video_ops = { - .querystd = adv7180_querystd, -}; - -static const struct v4l2_subdev_core_ops adv7180_core_ops = { - .g_chip_ident = adv7180_g_chip_ident, -}; - -static const struct v4l2_subdev_ops adv7180_ops = { - .core = &adv7180_core_ops, - .video = &adv7180_video_ops, -}; - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ - -static int adv7180_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct adv7180_state *state; - struct v4l2_subdev *sd; - int ret; - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -EIO; - - v4l_info(client, "chip found @ 0x%02x (%s)\n", - client->addr << 1, client->adapter->name); - - state = kzalloc(sizeof(struct adv7180_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - sd = &state->sd; - v4l2_i2c_subdev_init(sd, client, &adv7180_ops); - - /* Initialize adv7180 */ - /* enable autodetection */ - ret = i2c_smbus_write_byte_data(client, ADV7180_INPUT_CONTROL_REG, - ADV7180_INPUT_CONTROL_PAL_BG_NTSC_J_SECAM); - if (ret > 0) - ret = i2c_smbus_write_byte_data(client, - ADV7180_AUTODETECT_ENABLE_REG, - ADV7180_AUTODETECT_DEFAULT); - if (ret < 0) { - printk(KERN_ERR DRIVER_NAME - ": Failed to communicate to chip: %d\n", ret); - return ret; - } - - return 0; -} - -static int adv7180_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 adv7180_id[] = { - {DRIVER_NAME, 0}, - {}, -}; - -MODULE_DEVICE_TABLE(i2c, adv7180_id); - -static struct i2c_driver adv7180_driver = { - .driver = { - .owner = THIS_MODULE, - .name = DRIVER_NAME, - }, - .probe = adv7180_probe, - .remove = adv7180_remove, - .id_table = adv7180_id, -}; - -static __init int adv7180_init(void) -{ - return i2c_add_driver(&adv7180_driver); -} - -static __exit void adv7180_exit(void) -{ - i2c_del_driver(&adv7180_driver); -} - -module_init(adv7180_init); -module_exit(adv7180_exit); - -MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver"); -MODULE_AUTHOR("Mocean Laboratories"); -MODULE_LICENSE("GPL v2"); - |