--- /dev/null
+/*
+ * 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
Code Review / kvmfornfv.git / blobdiff