| /* |
| * 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; |
| |
| struct sd_desc *desc; |
| |
| /* Sensor private data */ |
| void *sensor_priv; |
| |
| /* The current frame's id, used to detect frame boundaries */ |
| u8 frame_id; |
| |
| /* The current frame count */ |
| u32 frame_count; |
| }; |
| |
| 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 |
