diff options
Diffstat (limited to 'drivers/media/usb/gspca/m5602/m5602_bridge.h')
| -rw-r--r-- | drivers/media/usb/gspca/m5602/m5602_bridge.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/m5602/m5602_bridge.h b/drivers/media/usb/gspca/m5602/m5602_bridge.h new file mode 100644 index 0000000..19eb1a6 --- /dev/null +++ b/drivers/media/usb/gspca/m5602/m5602_bridge.h @@ -0,0 +1,180 @@ +/* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_BRIDGE_H_ +#define M5602_BRIDGE_H_ + +#include <linux/slab.h> +#include "gspca.h" + +#define MODULE_NAME "ALi m5602" + +/*****************************************************************************/ + +#define M5602_XB_SENSOR_TYPE 0x00 +#define M5602_XB_SENSOR_CTRL 0x01 +#define M5602_XB_LINE_OF_FRAME_H 0x02 +#define M5602_XB_LINE_OF_FRAME_L 0x03 +#define M5602_XB_PIX_OF_LINE_H 0x04 +#define M5602_XB_PIX_OF_LINE_L 0x05 +#define M5602_XB_VSYNC_PARA 0x06 +#define M5602_XB_HSYNC_PARA 0x07 +#define M5602_XB_TEST_MODE_1 0x08 +#define M5602_XB_TEST_MODE_2 0x09 +#define M5602_XB_SIG_INI 0x0a +#define M5602_XB_DS_PARA 0x0e +#define M5602_XB_TRIG_PARA 0x0f +#define M5602_XB_CLK_PD 0x10 +#define M5602_XB_MCU_CLK_CTRL 0x12 +#define M5602_XB_MCU_CLK_DIV 0x13 +#define M5602_XB_SEN_CLK_CTRL 0x14 +#define M5602_XB_SEN_CLK_DIV 0x15 +#define M5602_XB_AUD_CLK_CTRL 0x16 +#define M5602_XB_AUD_CLK_DIV 0x17 +#define M5602_OB_AC_LINK_STATE 0x22 +#define M5602_OB_PCM_SLOT_INDEX 0x24 +#define M5602_OB_GPIO_SLOT_INDEX 0x25 +#define M5602_OB_ACRX_STATUS_ADDRESS_H 0x28 +#define M5602_OB_ACRX_STATUS_DATA_L 0x29 +#define M5602_OB_ACRX_STATUS_DATA_H 0x2a +#define M5602_OB_ACTX_COMMAND_ADDRESS 0x31 +#define M5602_OB_ACRX_COMMAND_DATA_L 0x32 +#define M5602_OB_ACTX_COMMAND_DATA_H 0X33 +#define M5602_XB_DEVCTR1 0x41 +#define M5602_XB_EPSETR0 0x42 +#define M5602_XB_EPAFCTR 0x47 +#define M5602_XB_EPBFCTR 0x49 +#define M5602_XB_EPEFCTR 0x4f +#define M5602_XB_TEST_REG 0x53 +#define M5602_XB_ALT2SIZE 0x54 +#define M5602_XB_ALT3SIZE 0x55 +#define M5602_XB_OBSFRAME 0x56 +#define M5602_XB_PWR_CTL 0x59 +#define M5602_XB_ADC_CTRL 0x60 +#define M5602_XB_ADC_DATA 0x61 +#define M5602_XB_MISC_CTRL 0x62 +#define M5602_XB_SNAPSHOT 0x63 +#define M5602_XB_SCRATCH_1 0x64 +#define M5602_XB_SCRATCH_2 0x65 +#define M5602_XB_SCRATCH_3 0x66 +#define M5602_XB_SCRATCH_4 0x67 +#define M5602_XB_I2C_CTRL 0x68 +#define M5602_XB_I2C_CLK_DIV 0x69 +#define M5602_XB_I2C_DEV_ADDR 0x6a +#define M5602_XB_I2C_REG_ADDR 0x6b +#define M5602_XB_I2C_DATA 0x6c +#define M5602_XB_I2C_STATUS 0x6d +#define M5602_XB_GPIO_DAT_H 0x70 +#define M5602_XB_GPIO_DAT_L 0x71 +#define M5602_XB_GPIO_DIR_H 0x72 +#define M5602_XB_GPIO_DIR_L 0x73 +#define M5602_XB_GPIO_EN_H 0x74 +#define M5602_XB_GPIO_EN_L 0x75 +#define M5602_XB_GPIO_DAT 0x76 +#define M5602_XB_GPIO_DIR 0x77 +#define M5602_XB_SEN_CLK_CONTROL 0x80 +#define M5602_XB_SEN_CLK_DIVISION 0x81 +#define M5602_XB_CPR_CLK_CONTROL 0x82 +#define M5602_XB_CPR_CLK_DIVISION 0x83 +#define M5602_XB_MCU_CLK_CONTROL 0x84 +#define M5602_XB_MCU_CLK_DIVISION 0x85 +#define M5602_XB_DCT_CLK_CONTROL 0x86 +#define M5602_XB_DCT_CLK_DIVISION 0x87 +#define M5602_XB_EC_CLK_CONTROL 0x88 +#define M5602_XB_EC_CLK_DIVISION 0x89 +#define M5602_XB_LBUF_CLK_CONTROL 0x8a +#define M5602_XB_LBUF_CLK_DIVISION 0x8b + +#define I2C_BUSY 0x80 + +/*****************************************************************************/ + +/* Driver info */ +#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project" +#define DRIVER_DESC "ALi m5602 webcam driver" + +#define M5602_ISOC_ENDPOINT_ADDR 0x81 +#define M5602_INTR_ENDPOINT_ADDR 0x82 + +#define M5602_URB_MSG_TIMEOUT 5000 + +/*****************************************************************************/ + +/* A skeleton used for sending messages to the m5602 bridge */ +static const unsigned char bridge_urb_skeleton[] = { + 0x13, 0x00, 0x81, 0x00 +}; + +/* A skeleton used for sending messages to the sensor */ +static const unsigned char sensor_urb_skeleton[] = { + 0x23, M5602_XB_GPIO_EN_H, 0x81, 0x06, + 0x23, M5602_XB_MISC_CTRL, 0x81, 0x80, + 0x13, M5602_XB_I2C_DEV_ADDR, 0x81, 0x00, + 0x13, M5602_XB_I2C_REG_ADDR, 0x81, 0x00, + 0x13, M5602_XB_I2C_DATA, 0x81, 0x00, + 0x13, M5602_XB_I2C_CTRL, 0x81, 0x11 +}; + +struct sd { + struct gspca_dev gspca_dev; + + /* A pointer to the currently connected sensor */ + const struct m5602_sensor *sensor; + + /* The current frame's id, used to detect frame boundaries */ + u8 frame_id; + + /* The current frame count */ + u32 frame_count; + + /* Camera rotation polling thread for "flipable" cams */ + struct task_struct *rotation_thread; + + struct { /* auto-white-bal + green/red/blue balance control cluster */ + struct v4l2_ctrl *auto_white_bal; + struct v4l2_ctrl *red_bal; + struct v4l2_ctrl *blue_bal; + struct v4l2_ctrl *green_bal; + }; + struct { /* autoexpo / expo cluster */ + struct v4l2_ctrl *autoexpo; + struct v4l2_ctrl *expo; + }; + struct { /* autogain / gain cluster */ + struct v4l2_ctrl *autogain; + struct v4l2_ctrl *gain; + }; + struct { /* hflip/vflip cluster */ + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; + }; +}; + +int m5602_read_bridge( + struct sd *sd, const u8 address, u8 *i2c_data); + +int m5602_write_bridge( + struct sd *sd, const u8 address, const u8 i2c_data); + +int m5602_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +int m5602_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +#endif |