Sylwester Nawrocki | b8d9834 | 2013-03-11 15:38:29 -0300 | [diff] [blame^] | 1 | /* |
| 2 | * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver |
| 3 | * |
| 4 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. |
| 5 | * |
| 6 | * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com> |
| 7 | * Younghwan Joo <yhwan.joo@samsung.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | #ifndef FIMC_IS_SENSOR_H_ |
| 14 | #define FIMC_IS_SENSOR_H_ |
| 15 | |
| 16 | #include <linux/clk.h> |
| 17 | #include <linux/device.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/platform_device.h> |
| 20 | #include <linux/regulator/consumer.h> |
| 21 | #include <linux/videodev2.h> |
| 22 | #include <media/v4l2-subdev.h> |
| 23 | |
| 24 | #define FIMC_IS_SENSOR_OPEN_TIMEOUT 2000 /* ms */ |
| 25 | |
| 26 | #define FIMC_IS_SENSOR_DEF_PIX_WIDTH 1296 |
| 27 | #define FIMC_IS_SENSOR_DEF_PIX_HEIGHT 732 |
| 28 | |
| 29 | #define S5K6A3_SENSOR_WIDTH 1392 |
| 30 | #define S5K6A3_SENSOR_HEIGHT 1392 |
| 31 | |
| 32 | #define SENSOR_NUM_SUPPLIES 2 |
| 33 | |
| 34 | enum fimc_is_sensor_id { |
| 35 | FIMC_IS_SENSOR_ID_S5K3H2 = 1, |
| 36 | FIMC_IS_SENSOR_ID_S5K6A3, |
| 37 | FIMC_IS_SENSOR_ID_S5K4E5, |
| 38 | FIMC_IS_SENSOR_ID_S5K3H7, |
| 39 | FIMC_IS_SENSOR_ID_CUSTOM, |
| 40 | FIMC_IS_SENSOR_ID_END |
| 41 | }; |
| 42 | |
| 43 | #define IS_SENSOR_CTRL_BUS_I2C0 0 |
| 44 | #define IS_SENSOR_CTRL_BUS_I2C1 1 |
| 45 | |
| 46 | struct sensor_drv_data { |
| 47 | enum fimc_is_sensor_id id; |
| 48 | const char * const subdev_name; |
| 49 | unsigned int width; |
| 50 | unsigned int height; |
| 51 | }; |
| 52 | |
| 53 | /** |
| 54 | * struct fimc_is_sensor - fimc-is sensor data structure |
| 55 | * @dev: pointer to this I2C client device structure |
| 56 | * @subdev: the image sensor's v4l2 subdev |
| 57 | * @pad: subdev media source pad |
| 58 | * @supplies: image sensor's voltage regulator supplies |
| 59 | * @gpio_reset: GPIO connected to the sensor's reset pin |
| 60 | * @drvdata: a pointer to the sensor's parameters data structure |
| 61 | * @i2c_bus: ISP I2C bus index (0...1) |
| 62 | * @test_pattern: true to enable video test pattern |
| 63 | * @lock: mutex protecting the structure's members below |
| 64 | * @format: media bus format at the sensor's source pad |
| 65 | */ |
| 66 | struct fimc_is_sensor { |
| 67 | struct device *dev; |
| 68 | struct v4l2_subdev subdev; |
| 69 | struct media_pad pad; |
| 70 | struct regulator_bulk_data supplies[SENSOR_NUM_SUPPLIES]; |
| 71 | int gpio_reset; |
| 72 | const struct sensor_drv_data *drvdata; |
| 73 | unsigned int i2c_bus; |
| 74 | bool test_pattern; |
| 75 | |
| 76 | struct mutex lock; |
| 77 | struct v4l2_mbus_framefmt format; |
| 78 | }; |
| 79 | |
| 80 | int fimc_is_register_sensor_driver(void); |
| 81 | void fimc_is_unregister_sensor_driver(void); |
| 82 | |
| 83 | #endif /* FIMC_IS_SENSOR_H_ */ |