v4.19.13 snapshot.
diff --git a/drivers/media/usb/gspca/ov534.c b/drivers/media/usb/gspca/ov534.c
new file mode 100644
index 0000000..d06dc07
--- /dev/null
+++ b/drivers/media/usb/gspca/ov534.c
@@ -0,0 +1,1545 @@
+/*
+ * ov534-ov7xxx gspca driver
+ *
+ * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
+ * Copyright (C) 2008 Jim Paris <jim@jtan.com>
+ * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
+ *
+ * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
+ * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
+ * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
+ *
+ * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr
+ * PS3 Eye camera - brightness, contrast, awb, agc, aec controls
+ * added by Max Thrun <bear24rw@gmail.com>
+ * PS3 Eye camera - FPS range extended by Joseph Howse
+ * <josephhowse@nummist.com> http://nummist.com
+ *
+ * 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; either version 2 of the License, or
+ * any later version.
+ *
+ * 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.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define MODULE_NAME "ov534"
+
+#include "gspca.h"
+
+#include <linux/fixp-arith.h>
+#include <media/v4l2-ctrls.h>
+
+#define OV534_REG_ADDRESS 0xf1 /* sensor address */
+#define OV534_REG_SUBADDR 0xf2
+#define OV534_REG_WRITE 0xf3
+#define OV534_REG_READ 0xf4
+#define OV534_REG_OPERATION 0xf5
+#define OV534_REG_STATUS 0xf6
+
+#define OV534_OP_WRITE_3 0x37
+#define OV534_OP_WRITE_2 0x33
+#define OV534_OP_READ_2 0xf9
+
+#define CTRL_TIMEOUT 500
+#define DEFAULT_FRAME_RATE 30
+
+MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
+MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* specific webcam descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+
+ struct v4l2_ctrl_handler ctrl_handler;
+ struct v4l2_ctrl *hue;
+ struct v4l2_ctrl *saturation;
+ struct v4l2_ctrl *brightness;
+ struct v4l2_ctrl *contrast;
+ struct { /* gain control cluster */
+ struct v4l2_ctrl *autogain;
+ struct v4l2_ctrl *gain;
+ };
+ struct v4l2_ctrl *autowhitebalance;
+ struct { /* exposure control cluster */
+ struct v4l2_ctrl *autoexposure;
+ struct v4l2_ctrl *exposure;
+ };
+ struct v4l2_ctrl *sharpness;
+ struct v4l2_ctrl *hflip;
+ struct v4l2_ctrl *vflip;
+ struct v4l2_ctrl *plfreq;
+
+ __u32 last_pts;
+ u16 last_fid;
+ u8 frame_rate;
+
+ u8 sensor;
+};
+enum sensors {
+ SENSOR_OV767x,
+ SENSOR_OV772x,
+ NSENSORS
+};
+
+static int sd_start(struct gspca_dev *gspca_dev);
+static void sd_stopN(struct gspca_dev *gspca_dev);
+
+
+static const struct v4l2_pix_format ov772x_mode[] = {
+ {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
+ .bytesperline = 320 * 2,
+ .sizeimage = 320 * 240 * 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
+ .bytesperline = 640 * 2,
+ .sizeimage = 640 * 480 * 2,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+static const struct v4l2_pix_format ov767x_mode[] = {
+ {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG},
+ {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG},
+};
+
+static const u8 qvga_rates[] = {187, 150, 137, 125, 100, 75, 60, 50, 37, 30};
+static const u8 vga_rates[] = {60, 50, 40, 30, 15};
+
+static const struct framerates ov772x_framerates[] = {
+ { /* 320x240 */
+ .rates = qvga_rates,
+ .nrates = ARRAY_SIZE(qvga_rates),
+ },
+ { /* 640x480 */
+ .rates = vga_rates,
+ .nrates = ARRAY_SIZE(vga_rates),
+ },
+};
+
+struct reg_array {
+ const u8 (*val)[2];
+ int len;
+};
+
+static const u8 bridge_init_767x[][2] = {
+/* comments from the ms-win file apollo7670.set */
+/* str1 */
+ {0xf1, 0x42},
+ {0x88, 0xf8},
+ {0x89, 0xff},
+ {0x76, 0x03},
+ {0x92, 0x03},
+ {0x95, 0x10},
+ {0xe2, 0x00},
+ {0xe7, 0x3e},
+ {0x8d, 0x1c},
+ {0x8e, 0x00},
+ {0x8f, 0x00},
+ {0x1f, 0x00},
+ {0xc3, 0xf9},
+ {0x89, 0xff},
+ {0x88, 0xf8},
+ {0x76, 0x03},
+ {0x92, 0x01},
+ {0x93, 0x18},
+ {0x1c, 0x00},
+ {0x1d, 0x48},
+ {0x1d, 0x00},
+ {0x1d, 0xff},
+ {0x1d, 0x02},
+ {0x1d, 0x58},
+ {0x1d, 0x00},
+ {0x1c, 0x0a},
+ {0x1d, 0x0a},
+ {0x1d, 0x0e},
+ {0xc0, 0x50}, /* HSize 640 */
+ {0xc1, 0x3c}, /* VSize 480 */
+ {0x34, 0x05}, /* enable Audio Suspend mode */
+ {0xc2, 0x0c}, /* Input YUV */
+ {0xc3, 0xf9}, /* enable PRE */
+ {0x34, 0x05}, /* enable Audio Suspend mode */
+ {0xe7, 0x2e}, /* this solves failure of "SuspendResumeTest" */
+ {0x31, 0xf9}, /* enable 1.8V Suspend */
+ {0x35, 0x02}, /* turn on JPEG */
+ {0xd9, 0x10},
+ {0x25, 0x42}, /* GPIO[8]:Input */
+ {0x94, 0x11}, /* If the default setting is loaded when
+ * system boots up, this flag is closed here */
+};
+static const u8 sensor_init_767x[][2] = {
+ {0x12, 0x80},
+ {0x11, 0x03},
+ {0x3a, 0x04},
+ {0x12, 0x00},
+ {0x17, 0x13},
+ {0x18, 0x01},
+ {0x32, 0xb6},
+ {0x19, 0x02},
+ {0x1a, 0x7a},
+ {0x03, 0x0a},
+ {0x0c, 0x00},
+ {0x3e, 0x00},
+ {0x70, 0x3a},
+ {0x71, 0x35},
+ {0x72, 0x11},
+ {0x73, 0xf0},
+ {0xa2, 0x02},
+ {0x7a, 0x2a}, /* set Gamma=1.6 below */
+ {0x7b, 0x12},
+ {0x7c, 0x1d},
+ {0x7d, 0x2d},
+ {0x7e, 0x45},
+ {0x7f, 0x50},
+ {0x80, 0x59},
+ {0x81, 0x62},
+ {0x82, 0x6b},
+ {0x83, 0x73},
+ {0x84, 0x7b},
+ {0x85, 0x8a},
+ {0x86, 0x98},
+ {0x87, 0xb2},
+ {0x88, 0xca},
+ {0x89, 0xe0},
+ {0x13, 0xe0},
+ {0x00, 0x00},
+ {0x10, 0x00},
+ {0x0d, 0x40},
+ {0x14, 0x38}, /* gain max 16x */
+ {0xa5, 0x05},
+ {0xab, 0x07},
+ {0x24, 0x95},
+ {0x25, 0x33},
+ {0x26, 0xe3},
+ {0x9f, 0x78},
+ {0xa0, 0x68},
+ {0xa1, 0x03},
+ {0xa6, 0xd8},
+ {0xa7, 0xd8},
+ {0xa8, 0xf0},
+ {0xa9, 0x90},
+ {0xaa, 0x94},
+ {0x13, 0xe5},
+ {0x0e, 0x61},
+ {0x0f, 0x4b},
+ {0x16, 0x02},
+ {0x21, 0x02},
+ {0x22, 0x91},
+ {0x29, 0x07},
+ {0x33, 0x0b},
+ {0x35, 0x0b},
+ {0x37, 0x1d},
+ {0x38, 0x71},
+ {0x39, 0x2a},
+ {0x3c, 0x78},
+ {0x4d, 0x40},
+ {0x4e, 0x20},
+ {0x69, 0x00},
+ {0x6b, 0x4a},
+ {0x74, 0x10},
+ {0x8d, 0x4f},
+ {0x8e, 0x00},
+ {0x8f, 0x00},
+ {0x90, 0x00},
+ {0x91, 0x00},
+ {0x96, 0x00},
+ {0x9a, 0x80},
+ {0xb0, 0x84},
+ {0xb1, 0x0c},
+ {0xb2, 0x0e},
+ {0xb3, 0x82},
+ {0xb8, 0x0a},
+ {0x43, 0x0a},
+ {0x44, 0xf0},
+ {0x45, 0x34},
+ {0x46, 0x58},
+ {0x47, 0x28},
+ {0x48, 0x3a},
+ {0x59, 0x88},
+ {0x5a, 0x88},
+ {0x5b, 0x44},
+ {0x5c, 0x67},
+ {0x5d, 0x49},
+ {0x5e, 0x0e},
+ {0x6c, 0x0a},
+ {0x6d, 0x55},
+ {0x6e, 0x11},
+ {0x6f, 0x9f},
+ {0x6a, 0x40},
+ {0x01, 0x40},
+ {0x02, 0x40},
+ {0x13, 0xe7},
+ {0x4f, 0x80},
+ {0x50, 0x80},
+ {0x51, 0x00},
+ {0x52, 0x22},
+ {0x53, 0x5e},
+ {0x54, 0x80},
+ {0x58, 0x9e},
+ {0x41, 0x08},
+ {0x3f, 0x00},
+ {0x75, 0x04},
+ {0x76, 0xe1},
+ {0x4c, 0x00},
+ {0x77, 0x01},
+ {0x3d, 0xc2},
+ {0x4b, 0x09},
+ {0xc9, 0x60},
+ {0x41, 0x38}, /* jfm: auto sharpness + auto de-noise */
+ {0x56, 0x40},
+ {0x34, 0x11},
+ {0x3b, 0xc2},
+ {0xa4, 0x8a}, /* Night mode trigger point */
+ {0x96, 0x00},
+ {0x97, 0x30},
+ {0x98, 0x20},
+ {0x99, 0x20},
+ {0x9a, 0x84},
+ {0x9b, 0x29},
+ {0x9c, 0x03},
+ {0x9d, 0x4c},
+ {0x9e, 0x3f},
+ {0x78, 0x04},
+ {0x79, 0x01},
+ {0xc8, 0xf0},
+ {0x79, 0x0f},
+ {0xc8, 0x00},
+ {0x79, 0x10},
+ {0xc8, 0x7e},
+ {0x79, 0x0a},
+ {0xc8, 0x80},
+ {0x79, 0x0b},
+ {0xc8, 0x01},
+ {0x79, 0x0c},
+ {0xc8, 0x0f},
+ {0x79, 0x0d},
+ {0xc8, 0x20},
+ {0x79, 0x09},
+ {0xc8, 0x80},
+ {0x79, 0x02},
+ {0xc8, 0xc0},
+ {0x79, 0x03},
+ {0xc8, 0x20},
+ {0x79, 0x26},
+};
+static const u8 bridge_start_vga_767x[][2] = {
+/* str59 JPG */
+ {0x94, 0xaa},
+ {0xf1, 0x42},
+ {0xe5, 0x04},
+ {0xc0, 0x50},
+ {0xc1, 0x3c},
+ {0xc2, 0x0c},
+ {0x35, 0x02}, /* turn on JPEG */
+ {0xd9, 0x10},
+ {0xda, 0x00}, /* for higher clock rate(30fps) */
+ {0x34, 0x05}, /* enable Audio Suspend mode */
+ {0xc3, 0xf9}, /* enable PRE */
+ {0x8c, 0x00}, /* CIF VSize LSB[2:0] */
+ {0x8d, 0x1c}, /* output YUV */
+/* {0x34, 0x05}, * enable Audio Suspend mode (?) */
+ {0x50, 0x00}, /* H/V divider=0 */
+ {0x51, 0xa0}, /* input H=640/4 */
+ {0x52, 0x3c}, /* input V=480/4 */
+ {0x53, 0x00}, /* offset X=0 */
+ {0x54, 0x00}, /* offset Y=0 */
+ {0x55, 0x00}, /* H/V size[8]=0 */
+ {0x57, 0x00}, /* H-size[9]=0 */
+ {0x5c, 0x00}, /* output size[9:8]=0 */
+ {0x5a, 0xa0}, /* output H=640/4 */
+ {0x5b, 0x78}, /* output V=480/4 */
+ {0x1c, 0x0a},
+ {0x1d, 0x0a},
+ {0x94, 0x11},
+};
+static const u8 sensor_start_vga_767x[][2] = {
+ {0x11, 0x01},
+ {0x1e, 0x04},
+ {0x19, 0x02},
+ {0x1a, 0x7a},
+};
+static const u8 bridge_start_qvga_767x[][2] = {
+/* str86 JPG */
+ {0x94, 0xaa},
+ {0xf1, 0x42},
+ {0xe5, 0x04},
+ {0xc0, 0x80},
+ {0xc1, 0x60},
+ {0xc2, 0x0c},
+ {0x35, 0x02}, /* turn on JPEG */
+ {0xd9, 0x10},
+ {0xc0, 0x50}, /* CIF HSize 640 */
+ {0xc1, 0x3c}, /* CIF VSize 480 */
+ {0x8c, 0x00}, /* CIF VSize LSB[2:0] */
+ {0x8d, 0x1c}, /* output YUV */
+ {0x34, 0x05}, /* enable Audio Suspend mode */
+ {0xc2, 0x4c}, /* output YUV and Enable DCW */
+ {0xc3, 0xf9}, /* enable PRE */
+ {0x1c, 0x00}, /* indirect addressing */
+ {0x1d, 0x48}, /* output YUV422 */
+ {0x50, 0x89}, /* H/V divider=/2; plus DCW AVG */
+ {0x51, 0xa0}, /* DCW input H=640/4 */
+ {0x52, 0x78}, /* DCW input V=480/4 */
+ {0x53, 0x00}, /* offset X=0 */
+ {0x54, 0x00}, /* offset Y=0 */
+ {0x55, 0x00}, /* H/V size[8]=0 */
+ {0x57, 0x00}, /* H-size[9]=0 */
+ {0x5c, 0x00}, /* DCW output size[9:8]=0 */
+ {0x5a, 0x50}, /* DCW output H=320/4 */
+ {0x5b, 0x3c}, /* DCW output V=240/4 */
+ {0x1c, 0x0a},
+ {0x1d, 0x0a},
+ {0x94, 0x11},
+};
+static const u8 sensor_start_qvga_767x[][2] = {
+ {0x11, 0x01},
+ {0x1e, 0x04},
+ {0x19, 0x02},
+ {0x1a, 0x7a},
+};
+
+static const u8 bridge_init_772x[][2] = {
+ { 0xc2, 0x0c },
+ { 0x88, 0xf8 },
+ { 0xc3, 0x69 },
+ { 0x89, 0xff },
+ { 0x76, 0x03 },
+ { 0x92, 0x01 },
+ { 0x93, 0x18 },
+ { 0x94, 0x10 },
+ { 0x95, 0x10 },
+ { 0xe2, 0x00 },
+ { 0xe7, 0x3e },
+
+ { 0x96, 0x00 },
+
+ { 0x97, 0x20 },
+ { 0x97, 0x20 },
+ { 0x97, 0x20 },
+ { 0x97, 0x0a },
+ { 0x97, 0x3f },
+ { 0x97, 0x4a },
+ { 0x97, 0x20 },
+ { 0x97, 0x15 },
+ { 0x97, 0x0b },
+
+ { 0x8e, 0x40 },
+ { 0x1f, 0x81 },
+ { 0x34, 0x05 },
+ { 0xe3, 0x04 },
+ { 0x88, 0x00 },
+ { 0x89, 0x00 },
+ { 0x76, 0x00 },
+ { 0xe7, 0x2e },
+ { 0x31, 0xf9 },
+ { 0x25, 0x42 },
+ { 0x21, 0xf0 },
+
+ { 0x1c, 0x00 },
+ { 0x1d, 0x40 },
+ { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
+ { 0x1d, 0x00 }, /* payload size */
+
+ { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
+ { 0x1d, 0x58 }, /* frame size */
+ { 0x1d, 0x00 }, /* frame size */
+
+ { 0x1c, 0x0a },
+ { 0x1d, 0x08 }, /* turn on UVC header */
+ { 0x1d, 0x0e }, /* .. */
+
+ { 0x8d, 0x1c },
+ { 0x8e, 0x80 },
+ { 0xe5, 0x04 },
+
+ { 0xc0, 0x50 },
+ { 0xc1, 0x3c },
+ { 0xc2, 0x0c },
+};
+static const u8 sensor_init_772x[][2] = {
+ { 0x12, 0x80 },
+ { 0x11, 0x01 },
+/*fixme: better have a delay?*/
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+ { 0x11, 0x01 },
+
+ { 0x3d, 0x03 },
+ { 0x17, 0x26 },
+ { 0x18, 0xa0 },
+ { 0x19, 0x07 },
+ { 0x1a, 0xf0 },
+ { 0x32, 0x00 },
+ { 0x29, 0xa0 },
+ { 0x2c, 0xf0 },
+ { 0x65, 0x20 },
+ { 0x11, 0x01 },
+ { 0x42, 0x7f },
+ { 0x63, 0xaa }, /* AWB - was e0 */
+ { 0x64, 0xff },
+ { 0x66, 0x00 },
+ { 0x13, 0xf0 }, /* com8 */
+ { 0x0d, 0x41 },
+ { 0x0f, 0xc5 },
+ { 0x14, 0x11 },
+
+ { 0x22, 0x7f },
+ { 0x23, 0x03 },
+ { 0x24, 0x40 },
+ { 0x25, 0x30 },
+ { 0x26, 0xa1 },
+ { 0x2a, 0x00 },
+ { 0x2b, 0x00 },
+ { 0x6b, 0xaa },
+ { 0x13, 0xff }, /* AWB */
+
+ { 0x90, 0x05 },
+ { 0x91, 0x01 },
+ { 0x92, 0x03 },
+ { 0x93, 0x00 },
+ { 0x94, 0x60 },
+ { 0x95, 0x3c },
+ { 0x96, 0x24 },
+ { 0x97, 0x1e },
+ { 0x98, 0x62 },
+ { 0x99, 0x80 },
+ { 0x9a, 0x1e },
+ { 0x9b, 0x08 },
+ { 0x9c, 0x20 },
+ { 0x9e, 0x81 },
+
+ { 0xa6, 0x07 },
+ { 0x7e, 0x0c },
+ { 0x7f, 0x16 },
+ { 0x80, 0x2a },
+ { 0x81, 0x4e },
+ { 0x82, 0x61 },
+ { 0x83, 0x6f },
+ { 0x84, 0x7b },
+ { 0x85, 0x86 },
+ { 0x86, 0x8e },
+ { 0x87, 0x97 },
+ { 0x88, 0xa4 },
+ { 0x89, 0xaf },
+ { 0x8a, 0xc5 },
+ { 0x8b, 0xd7 },
+ { 0x8c, 0xe8 },
+ { 0x8d, 0x20 },
+
+ { 0x0c, 0x90 },
+
+ { 0x2b, 0x00 },
+ { 0x22, 0x7f },
+ { 0x23, 0x03 },
+ { 0x11, 0x01 },
+ { 0x0c, 0xd0 },
+ { 0x64, 0xff },
+ { 0x0d, 0x41 },
+
+ { 0x14, 0x41 },
+ { 0x0e, 0xcd },
+ { 0xac, 0xbf },
+ { 0x8e, 0x00 }, /* De-noise threshold */
+ { 0x0c, 0xd0 }
+};
+static const u8 bridge_start_vga_772x[][2] = {
+ {0x1c, 0x00},
+ {0x1d, 0x40},
+ {0x1d, 0x02},
+ {0x1d, 0x00},
+ {0x1d, 0x02},
+ {0x1d, 0x58},
+ {0x1d, 0x00},
+ {0xc0, 0x50},
+ {0xc1, 0x3c},
+};
+static const u8 sensor_start_vga_772x[][2] = {
+ {0x12, 0x00},
+ {0x17, 0x26},
+ {0x18, 0xa0},
+ {0x19, 0x07},
+ {0x1a, 0xf0},
+ {0x29, 0xa0},
+ {0x2c, 0xf0},
+ {0x65, 0x20},
+};
+static const u8 bridge_start_qvga_772x[][2] = {
+ {0x1c, 0x00},
+ {0x1d, 0x40},
+ {0x1d, 0x02},
+ {0x1d, 0x00},
+ {0x1d, 0x01},
+ {0x1d, 0x4b},
+ {0x1d, 0x00},
+ {0xc0, 0x28},
+ {0xc1, 0x1e},
+};
+static const u8 sensor_start_qvga_772x[][2] = {
+ {0x12, 0x40},
+ {0x17, 0x3f},
+ {0x18, 0x50},
+ {0x19, 0x03},
+ {0x1a, 0x78},
+ {0x29, 0x50},
+ {0x2c, 0x78},
+ {0x65, 0x2f},
+};
+
+static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
+{
+ struct usb_device *udev = gspca_dev->dev;
+ int ret;
+
+ if (gspca_dev->usb_err < 0)
+ return;
+
+ gspca_dbg(gspca_dev, D_USBO, "SET 01 0000 %04x %02x\n", reg, val);
+ gspca_dev->usb_buf[0] = val;
+ ret = usb_control_msg(udev,
+ usb_sndctrlpipe(udev, 0),
+ 0x01,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
+ if (ret < 0) {
+ pr_err("write failed %d\n", ret);
+ gspca_dev->usb_err = ret;
+ }
+}
+
+static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
+{
+ struct usb_device *udev = gspca_dev->dev;
+ int ret;
+
+ if (gspca_dev->usb_err < 0)
+ return 0;
+ ret = usb_control_msg(udev,
+ usb_rcvctrlpipe(udev, 0),
+ 0x01,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
+ gspca_dbg(gspca_dev, D_USBI, "GET 01 0000 %04x %02x\n",
+ reg, gspca_dev->usb_buf[0]);
+ if (ret < 0) {
+ pr_err("read failed %d\n", ret);
+ gspca_dev->usb_err = ret;
+ }
+ return gspca_dev->usb_buf[0];
+}
+
+/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
+ * (direction and output)? */
+static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
+{
+ u8 data;
+
+ gspca_dbg(gspca_dev, D_CONF, "led status: %d\n", status);
+
+ data = ov534_reg_read(gspca_dev, 0x21);
+ data |= 0x80;
+ ov534_reg_write(gspca_dev, 0x21, data);
+
+ data = ov534_reg_read(gspca_dev, 0x23);
+ if (status)
+ data |= 0x80;
+ else
+ data &= ~0x80;
+
+ ov534_reg_write(gspca_dev, 0x23, data);
+
+ if (!status) {
+ data = ov534_reg_read(gspca_dev, 0x21);
+ data &= ~0x80;
+ ov534_reg_write(gspca_dev, 0x21, data);
+ }
+}
+
+static int sccb_check_status(struct gspca_dev *gspca_dev)
+{
+ u8 data;
+ int i;
+
+ for (i = 0; i < 5; i++) {
+ msleep(10);
+ data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
+
+ switch (data) {
+ case 0x00:
+ return 1;
+ case 0x04:
+ return 0;
+ case 0x03:
+ break;
+ default:
+ gspca_err(gspca_dev, "sccb status 0x%02x, attempt %d/5\n",
+ data, i + 1);
+ }
+ }
+ return 0;
+}
+
+static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
+{
+ gspca_dbg(gspca_dev, D_USBO, "sccb write: %02x %02x\n", reg, val);
+ ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
+ ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
+ ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
+
+ if (!sccb_check_status(gspca_dev)) {
+ pr_err("sccb_reg_write failed\n");
+ gspca_dev->usb_err = -EIO;
+ }
+}
+
+static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
+{
+ ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
+ ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
+ if (!sccb_check_status(gspca_dev))
+ pr_err("sccb_reg_read failed 1\n");
+
+ ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
+ if (!sccb_check_status(gspca_dev))
+ pr_err("sccb_reg_read failed 2\n");
+
+ return ov534_reg_read(gspca_dev, OV534_REG_READ);
+}
+
+/* output a bridge sequence (reg - val) */
+static void reg_w_array(struct gspca_dev *gspca_dev,
+ const u8 (*data)[2], int len)
+{
+ while (--len >= 0) {
+ ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
+ data++;
+ }
+}
+
+/* output a sensor sequence (reg - val) */
+static void sccb_w_array(struct gspca_dev *gspca_dev,
+ const u8 (*data)[2], int len)
+{
+ while (--len >= 0) {
+ if ((*data)[0] != 0xff) {
+ sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
+ } else {
+ sccb_reg_read(gspca_dev, (*data)[1]);
+ sccb_reg_write(gspca_dev, 0xff, 0x00);
+ }
+ data++;
+ }
+}
+
+/* ov772x specific controls */
+static void set_frame_rate(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int i;
+ struct rate_s {
+ u8 fps;
+ u8 r11;
+ u8 r0d;
+ u8 re5;
+ };
+ const struct rate_s *r;
+ static const struct rate_s rate_0[] = { /* 640x480 */
+ {60, 0x01, 0xc1, 0x04},
+ {50, 0x01, 0x41, 0x02},
+ {40, 0x02, 0xc1, 0x04},
+ {30, 0x04, 0x81, 0x02},
+ {15, 0x03, 0x41, 0x04},
+ };
+ static const struct rate_s rate_1[] = { /* 320x240 */
+/* {205, 0x01, 0xc1, 0x02}, * 205 FPS: video is partly corrupt */
+ {187, 0x01, 0x81, 0x02}, /* 187 FPS or below: video is valid */
+ {150, 0x01, 0xc1, 0x04},
+ {137, 0x02, 0xc1, 0x02},
+ {125, 0x02, 0x81, 0x02},
+ {100, 0x02, 0xc1, 0x04},
+ {75, 0x03, 0xc1, 0x04},
+ {60, 0x04, 0xc1, 0x04},
+ {50, 0x02, 0x41, 0x04},
+ {37, 0x03, 0x41, 0x04},
+ {30, 0x04, 0x41, 0x04},
+ };
+
+ if (sd->sensor != SENSOR_OV772x)
+ return;
+ if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
+ r = rate_0;
+ i = ARRAY_SIZE(rate_0);
+ } else {
+ r = rate_1;
+ i = ARRAY_SIZE(rate_1);
+ }
+ while (--i > 0) {
+ if (sd->frame_rate >= r->fps)
+ break;
+ r++;
+ }
+
+ sccb_reg_write(gspca_dev, 0x11, r->r11);
+ sccb_reg_write(gspca_dev, 0x0d, r->r0d);
+ ov534_reg_write(gspca_dev, 0xe5, r->re5);
+
+ gspca_dbg(gspca_dev, D_PROBE, "frame_rate: %d\n", r->fps);
+}
+
+static void sethue(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->sensor == SENSOR_OV767x) {
+ /* TBD */
+ } else {
+ s16 huesin;
+ s16 huecos;
+
+ /* According to the datasheet the registers expect HUESIN and
+ * HUECOS to be the result of the trigonometric functions,
+ * scaled by 0x80.
+ *
+ * The 0x7fff here represents the maximum absolute value
+ * returned byt fixp_sin and fixp_cos, so the scaling will
+ * consider the result like in the interval [-1.0, 1.0].
+ */
+ huesin = fixp_sin16(val) * 0x80 / 0x7fff;
+ huecos = fixp_cos16(val) * 0x80 / 0x7fff;
+
+ if (huesin < 0) {
+ sccb_reg_write(gspca_dev, 0xab,
+ sccb_reg_read(gspca_dev, 0xab) | 0x2);
+ huesin = -huesin;
+ } else {
+ sccb_reg_write(gspca_dev, 0xab,
+ sccb_reg_read(gspca_dev, 0xab) & ~0x2);
+
+ }
+ sccb_reg_write(gspca_dev, 0xa9, (u8)huecos);
+ sccb_reg_write(gspca_dev, 0xaa, (u8)huesin);
+ }
+}
+
+static void setsaturation(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->sensor == SENSOR_OV767x) {
+ int i;
+ static u8 color_tb[][6] = {
+ {0x42, 0x42, 0x00, 0x11, 0x30, 0x41},
+ {0x52, 0x52, 0x00, 0x16, 0x3c, 0x52},
+ {0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66},
+ {0x80, 0x80, 0x00, 0x22, 0x5e, 0x80},
+ {0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a},
+ {0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8},
+ {0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd},
+ };
+
+ for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++)
+ sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]);
+ } else {
+ sccb_reg_write(gspca_dev, 0xa7, val); /* U saturation */
+ sccb_reg_write(gspca_dev, 0xa8, val); /* V saturation */
+ }
+}
+
+static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->sensor == SENSOR_OV767x) {
+ if (val < 0)
+ val = 0x80 - val;
+ sccb_reg_write(gspca_dev, 0x55, val); /* bright */
+ } else {
+ sccb_reg_write(gspca_dev, 0x9b, val);
+ }
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->sensor == SENSOR_OV767x)
+ sccb_reg_write(gspca_dev, 0x56, val); /* contras */
+ else
+ sccb_reg_write(gspca_dev, 0x9c, val);
+}
+
+static void setgain(struct gspca_dev *gspca_dev, s32 val)
+{
+ switch (val & 0x30) {
+ case 0x00:
+ val &= 0x0f;
+ break;
+ case 0x10:
+ val &= 0x0f;
+ val |= 0x30;
+ break;
+ case 0x20:
+ val &= 0x0f;
+ val |= 0x70;
+ break;
+ default:
+/* case 0x30: */
+ val &= 0x0f;
+ val |= 0xf0;
+ break;
+ }
+ sccb_reg_write(gspca_dev, 0x00, val);
+}
+
+static s32 getgain(struct gspca_dev *gspca_dev)
+{
+ return sccb_reg_read(gspca_dev, 0x00);
+}
+
+static void setexposure(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->sensor == SENSOR_OV767x) {
+
+ /* set only aec[9:2] */
+ sccb_reg_write(gspca_dev, 0x10, val); /* aech */
+ } else {
+
+ /* 'val' is one byte and represents half of the exposure value
+ * we are going to set into registers, a two bytes value:
+ *
+ * MSB: ((u16) val << 1) >> 8 == val >> 7
+ * LSB: ((u16) val << 1) & 0xff == val << 1
+ */
+ sccb_reg_write(gspca_dev, 0x08, val >> 7);
+ sccb_reg_write(gspca_dev, 0x10, val << 1);
+ }
+}
+
+static s32 getexposure(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->sensor == SENSOR_OV767x) {
+ /* get only aec[9:2] */
+ return sccb_reg_read(gspca_dev, 0x10); /* aech */
+ } else {
+ u8 hi = sccb_reg_read(gspca_dev, 0x08);
+ u8 lo = sccb_reg_read(gspca_dev, 0x10);
+ return (hi << 8 | lo) >> 1;
+ }
+}
+
+static void setagc(struct gspca_dev *gspca_dev, s32 val)
+{
+ if (val) {
+ sccb_reg_write(gspca_dev, 0x13,
+ sccb_reg_read(gspca_dev, 0x13) | 0x04);
+ sccb_reg_write(gspca_dev, 0x64,
+ sccb_reg_read(gspca_dev, 0x64) | 0x03);
+ } else {
+ sccb_reg_write(gspca_dev, 0x13,
+ sccb_reg_read(gspca_dev, 0x13) & ~0x04);
+ sccb_reg_write(gspca_dev, 0x64,
+ sccb_reg_read(gspca_dev, 0x64) & ~0x03);
+ }
+}
+
+static void setawb(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (val) {
+ sccb_reg_write(gspca_dev, 0x13,
+ sccb_reg_read(gspca_dev, 0x13) | 0x02);
+ if (sd->sensor == SENSOR_OV772x)
+ sccb_reg_write(gspca_dev, 0x63,
+ sccb_reg_read(gspca_dev, 0x63) | 0xc0);
+ } else {
+ sccb_reg_write(gspca_dev, 0x13,
+ sccb_reg_read(gspca_dev, 0x13) & ~0x02);
+ if (sd->sensor == SENSOR_OV772x)
+ sccb_reg_write(gspca_dev, 0x63,
+ sccb_reg_read(gspca_dev, 0x63) & ~0xc0);
+ }
+}
+
+static void setaec(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 data;
+
+ data = sd->sensor == SENSOR_OV767x ?
+ 0x05 : /* agc + aec */
+ 0x01; /* agc */
+ switch (val) {
+ case V4L2_EXPOSURE_AUTO:
+ sccb_reg_write(gspca_dev, 0x13,
+ sccb_reg_read(gspca_dev, 0x13) | data);
+ break;
+ case V4L2_EXPOSURE_MANUAL:
+ sccb_reg_write(gspca_dev, 0x13,
+ sccb_reg_read(gspca_dev, 0x13) & ~data);
+ break;
+ }
+}
+
+static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
+{
+ sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */
+ sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */
+}
+
+static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 val;
+
+ if (sd->sensor == SENSOR_OV767x) {
+ val = sccb_reg_read(gspca_dev, 0x1e); /* mvfp */
+ val &= ~0x30;
+ if (hflip)
+ val |= 0x20;
+ if (vflip)
+ val |= 0x10;
+ sccb_reg_write(gspca_dev, 0x1e, val);
+ } else {
+ val = sccb_reg_read(gspca_dev, 0x0c);
+ val &= ~0xc0;
+ if (hflip == 0)
+ val |= 0x40;
+ if (vflip == 0)
+ val |= 0x80;
+ sccb_reg_write(gspca_dev, 0x0c, val);
+ }
+}
+
+static void setlightfreq(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ val = val ? 0x9e : 0x00;
+ if (sd->sensor == SENSOR_OV767x) {
+ sccb_reg_write(gspca_dev, 0x2a, 0x00);
+ if (val)
+ val = 0x9d; /* insert dummy to 25fps for 50Hz */
+ }
+ sccb_reg_write(gspca_dev, 0x2b, val);
+}
+
+
+/* this function is called at probe time */
+static int sd_config(struct gspca_dev *gspca_dev,
+ const struct usb_device_id *id)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct cam *cam;
+
+ cam = &gspca_dev->cam;
+
+ cam->cam_mode = ov772x_mode;
+ cam->nmodes = ARRAY_SIZE(ov772x_mode);
+
+ sd->frame_rate = DEFAULT_FRAME_RATE;
+
+ return 0;
+}
+
+static int ov534_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+ struct gspca_dev *gspca_dev = &sd->gspca_dev;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUTOGAIN:
+ gspca_dev->usb_err = 0;
+ if (ctrl->val && sd->gain && gspca_dev->streaming)
+ sd->gain->val = getgain(gspca_dev);
+ return gspca_dev->usb_err;
+
+ case V4L2_CID_EXPOSURE_AUTO:
+ gspca_dev->usb_err = 0;
+ if (ctrl->val == V4L2_EXPOSURE_AUTO && sd->exposure &&
+ gspca_dev->streaming)
+ sd->exposure->val = getexposure(gspca_dev);
+ return gspca_dev->usb_err;
+ }
+ return -EINVAL;
+}
+
+static int ov534_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+ struct gspca_dev *gspca_dev = &sd->gspca_dev;
+
+ gspca_dev->usb_err = 0;
+ if (!gspca_dev->streaming)
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_HUE:
+ sethue(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_SATURATION:
+ setsaturation(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_BRIGHTNESS:
+ setbrightness(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_CONTRAST:
+ setcontrast(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_AUTOGAIN:
+ /* case V4L2_CID_GAIN: */
+ setagc(gspca_dev, ctrl->val);
+ if (!gspca_dev->usb_err && !ctrl->val && sd->gain)
+ setgain(gspca_dev, sd->gain->val);
+ break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ setawb(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_EXPOSURE_AUTO:
+ /* case V4L2_CID_EXPOSURE: */
+ setaec(gspca_dev, ctrl->val);
+ if (!gspca_dev->usb_err && ctrl->val == V4L2_EXPOSURE_MANUAL &&
+ sd->exposure)
+ setexposure(gspca_dev, sd->exposure->val);
+ break;
+ case V4L2_CID_SHARPNESS:
+ setsharpness(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_HFLIP:
+ sethvflip(gspca_dev, ctrl->val, sd->vflip->val);
+ break;
+ case V4L2_CID_VFLIP:
+ sethvflip(gspca_dev, sd->hflip->val, ctrl->val);
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ setlightfreq(gspca_dev, ctrl->val);
+ break;
+ }
+ return gspca_dev->usb_err;
+}
+
+static const struct v4l2_ctrl_ops ov534_ctrl_ops = {
+ .g_volatile_ctrl = ov534_g_volatile_ctrl,
+ .s_ctrl = ov534_s_ctrl,
+};
+
+static int sd_init_controls(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+ /* parameters with different values between the supported sensors */
+ int saturation_min;
+ int saturation_max;
+ int saturation_def;
+ int brightness_min;
+ int brightness_max;
+ int brightness_def;
+ int contrast_max;
+ int contrast_def;
+ int exposure_min;
+ int exposure_max;
+ int exposure_def;
+ int hflip_def;
+
+ if (sd->sensor == SENSOR_OV767x) {
+ saturation_min = 0,
+ saturation_max = 6,
+ saturation_def = 3,
+ brightness_min = -127;
+ brightness_max = 127;
+ brightness_def = 0;
+ contrast_max = 0x80;
+ contrast_def = 0x40;
+ exposure_min = 0x08;
+ exposure_max = 0x60;
+ exposure_def = 0x13;
+ hflip_def = 1;
+ } else {
+ saturation_min = 0,
+ saturation_max = 255,
+ saturation_def = 64,
+ brightness_min = 0;
+ brightness_max = 255;
+ brightness_def = 0;
+ contrast_max = 255;
+ contrast_def = 32;
+ exposure_min = 0;
+ exposure_max = 255;
+ exposure_def = 120;
+ hflip_def = 0;
+ }
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+
+ v4l2_ctrl_handler_init(hdl, 13);
+
+ if (sd->sensor == SENSOR_OV772x)
+ sd->hue = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_HUE, -90, 90, 1, 0);
+
+ sd->saturation = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_SATURATION, saturation_min, saturation_max, 1,
+ saturation_def);
+ sd->brightness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, brightness_min, brightness_max, 1,
+ brightness_def);
+ sd->contrast = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, contrast_max, 1, contrast_def);
+
+ if (sd->sensor == SENSOR_OV772x) {
+ sd->autogain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ sd->gain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_GAIN, 0, 63, 1, 20);
+ }
+
+ sd->autoexposure = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops,
+ V4L2_CID_EXPOSURE_AUTO,
+ V4L2_EXPOSURE_MANUAL, 0,
+ V4L2_EXPOSURE_AUTO);
+ sd->exposure = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_EXPOSURE, exposure_min, exposure_max, 1,
+ exposure_def);
+
+ sd->autowhitebalance = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
+
+ if (sd->sensor == SENSOR_OV772x)
+ sd->sharpness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_SHARPNESS, 0, 63, 1, 0);
+
+ sd->hflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, hflip_def);
+ sd->vflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ sd->plfreq = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops,
+ V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_50HZ, 0,
+ V4L2_CID_POWER_LINE_FREQUENCY_DISABLED);
+
+ if (hdl->error) {
+ pr_err("Could not initialize controls\n");
+ return hdl->error;
+ }
+
+ if (sd->sensor == SENSOR_OV772x)
+ v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, true);
+
+ v4l2_ctrl_auto_cluster(2, &sd->autoexposure, V4L2_EXPOSURE_MANUAL,
+ true);
+
+ return 0;
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u16 sensor_id;
+ static const struct reg_array bridge_init[NSENSORS] = {
+ [SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)},
+ [SENSOR_OV772x] = {bridge_init_772x, ARRAY_SIZE(bridge_init_772x)},
+ };
+ static const struct reg_array sensor_init[NSENSORS] = {
+ [SENSOR_OV767x] = {sensor_init_767x, ARRAY_SIZE(sensor_init_767x)},
+ [SENSOR_OV772x] = {sensor_init_772x, ARRAY_SIZE(sensor_init_772x)},
+ };
+
+ /* reset bridge */
+ ov534_reg_write(gspca_dev, 0xe7, 0x3a);
+ ov534_reg_write(gspca_dev, 0xe0, 0x08);
+ msleep(100);
+
+ /* initialize the sensor address */
+ ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
+
+ /* reset sensor */
+ sccb_reg_write(gspca_dev, 0x12, 0x80);
+ msleep(10);
+
+ /* probe the sensor */
+ sccb_reg_read(gspca_dev, 0x0a);
+ sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
+ sccb_reg_read(gspca_dev, 0x0b);
+ sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
+ gspca_dbg(gspca_dev, D_PROBE, "Sensor ID: %04x\n", sensor_id);
+
+ if ((sensor_id & 0xfff0) == 0x7670) {
+ sd->sensor = SENSOR_OV767x;
+ gspca_dev->cam.cam_mode = ov767x_mode;
+ gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode);
+ } else {
+ sd->sensor = SENSOR_OV772x;
+ gspca_dev->cam.bulk = 1;
+ gspca_dev->cam.bulk_size = 16384;
+ gspca_dev->cam.bulk_nurbs = 2;
+ gspca_dev->cam.mode_framerates = ov772x_framerates;
+ }
+
+ /* initialize */
+ reg_w_array(gspca_dev, bridge_init[sd->sensor].val,
+ bridge_init[sd->sensor].len);
+ ov534_set_led(gspca_dev, 1);
+ sccb_w_array(gspca_dev, sensor_init[sd->sensor].val,
+ sensor_init[sd->sensor].len);
+
+ sd_stopN(gspca_dev);
+/* set_frame_rate(gspca_dev); */
+
+ return gspca_dev->usb_err;
+}
+
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int mode;
+ static const struct reg_array bridge_start[NSENSORS][2] = {
+ [SENSOR_OV767x] = {{bridge_start_qvga_767x,
+ ARRAY_SIZE(bridge_start_qvga_767x)},
+ {bridge_start_vga_767x,
+ ARRAY_SIZE(bridge_start_vga_767x)}},
+ [SENSOR_OV772x] = {{bridge_start_qvga_772x,
+ ARRAY_SIZE(bridge_start_qvga_772x)},
+ {bridge_start_vga_772x,
+ ARRAY_SIZE(bridge_start_vga_772x)}},
+ };
+ static const struct reg_array sensor_start[NSENSORS][2] = {
+ [SENSOR_OV767x] = {{sensor_start_qvga_767x,
+ ARRAY_SIZE(sensor_start_qvga_767x)},
+ {sensor_start_vga_767x,
+ ARRAY_SIZE(sensor_start_vga_767x)}},
+ [SENSOR_OV772x] = {{sensor_start_qvga_772x,
+ ARRAY_SIZE(sensor_start_qvga_772x)},
+ {sensor_start_vga_772x,
+ ARRAY_SIZE(sensor_start_vga_772x)}},
+ };
+
+ /* (from ms-win trace) */
+ if (sd->sensor == SENSOR_OV767x)
+ sccb_reg_write(gspca_dev, 0x1e, 0x04);
+ /* black sun enable ? */
+
+ mode = gspca_dev->curr_mode; /* 0: 320x240, 1: 640x480 */
+ reg_w_array(gspca_dev, bridge_start[sd->sensor][mode].val,
+ bridge_start[sd->sensor][mode].len);
+ sccb_w_array(gspca_dev, sensor_start[sd->sensor][mode].val,
+ sensor_start[sd->sensor][mode].len);
+
+ set_frame_rate(gspca_dev);
+
+ if (sd->hue)
+ sethue(gspca_dev, v4l2_ctrl_g_ctrl(sd->hue));
+ setsaturation(gspca_dev, v4l2_ctrl_g_ctrl(sd->saturation));
+ if (sd->autogain)
+ setagc(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain));
+ setawb(gspca_dev, v4l2_ctrl_g_ctrl(sd->autowhitebalance));
+ setaec(gspca_dev, v4l2_ctrl_g_ctrl(sd->autoexposure));
+ if (sd->gain)
+ setgain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
+ setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure));
+ setbrightness(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness));
+ setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->contrast));
+ if (sd->sharpness)
+ setsharpness(gspca_dev, v4l2_ctrl_g_ctrl(sd->sharpness));
+ sethvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip),
+ v4l2_ctrl_g_ctrl(sd->vflip));
+ setlightfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->plfreq));
+
+ ov534_set_led(gspca_dev, 1);
+ ov534_reg_write(gspca_dev, 0xe0, 0x00);
+ return gspca_dev->usb_err;
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+ ov534_reg_write(gspca_dev, 0xe0, 0x09);
+ ov534_set_led(gspca_dev, 0);
+}
+
+/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
+#define UVC_STREAM_EOH (1 << 7)
+#define UVC_STREAM_ERR (1 << 6)
+#define UVC_STREAM_STI (1 << 5)
+#define UVC_STREAM_RES (1 << 4)
+#define UVC_STREAM_SCR (1 << 3)
+#define UVC_STREAM_PTS (1 << 2)
+#define UVC_STREAM_EOF (1 << 1)
+#define UVC_STREAM_FID (1 << 0)
+
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, int len)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u32 this_pts;
+ u16 this_fid;
+ int remaining_len = len;
+ int payload_len;
+
+ payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
+ do {
+ len = min(remaining_len, payload_len);
+
+ /* Payloads are prefixed with a UVC-style header. We
+ consider a frame to start when the FID toggles, or the PTS
+ changes. A frame ends when EOF is set, and we've received
+ the correct number of bytes. */
+
+ /* Verify UVC header. Header length is always 12 */
+ if (data[0] != 12 || len < 12) {
+ gspca_dbg(gspca_dev, D_PACK, "bad header\n");
+ goto discard;
+ }
+
+ /* Check errors */
+ if (data[1] & UVC_STREAM_ERR) {
+ gspca_dbg(gspca_dev, D_PACK, "payload error\n");
+ goto discard;
+ }
+
+ /* Extract PTS and FID */
+ if (!(data[1] & UVC_STREAM_PTS)) {
+ gspca_dbg(gspca_dev, D_PACK, "PTS not present\n");
+ goto discard;
+ }
+ this_pts = (data[5] << 24) | (data[4] << 16)
+ | (data[3] << 8) | data[2];
+ this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
+
+ /* If PTS or FID has changed, start a new frame. */
+ if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
+ if (gspca_dev->last_packet_type == INTER_PACKET)
+ gspca_frame_add(gspca_dev, LAST_PACKET,
+ NULL, 0);
+ sd->last_pts = this_pts;
+ sd->last_fid = this_fid;
+ gspca_frame_add(gspca_dev, FIRST_PACKET,
+ data + 12, len - 12);
+ /* If this packet is marked as EOF, end the frame */
+ } else if (data[1] & UVC_STREAM_EOF) {
+ sd->last_pts = 0;
+ if (gspca_dev->pixfmt.pixelformat == V4L2_PIX_FMT_YUYV
+ && gspca_dev->image_len + len - 12 !=
+ gspca_dev->pixfmt.width *
+ gspca_dev->pixfmt.height * 2) {
+ gspca_dbg(gspca_dev, D_PACK, "wrong sized frame\n");
+ goto discard;
+ }
+ gspca_frame_add(gspca_dev, LAST_PACKET,
+ data + 12, len - 12);
+ } else {
+
+ /* Add the data from this payload */
+ gspca_frame_add(gspca_dev, INTER_PACKET,
+ data + 12, len - 12);
+ }
+
+ /* Done this payload */
+ goto scan_next;
+
+discard:
+ /* Discard data until a new frame starts. */
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+
+scan_next:
+ remaining_len -= len;
+ data += len;
+ } while (remaining_len > 0);
+}
+
+/* get stream parameters (framerate) */
+static void sd_get_streamparm(struct gspca_dev *gspca_dev,
+ struct v4l2_streamparm *parm)
+{
+ struct v4l2_captureparm *cp = &parm->parm.capture;
+ struct v4l2_fract *tpf = &cp->timeperframe;
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ tpf->numerator = 1;
+ tpf->denominator = sd->frame_rate;
+}
+
+/* set stream parameters (framerate) */
+static void sd_set_streamparm(struct gspca_dev *gspca_dev,
+ struct v4l2_streamparm *parm)
+{
+ struct v4l2_captureparm *cp = &parm->parm.capture;
+ struct v4l2_fract *tpf = &cp->timeperframe;
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (tpf->numerator == 0 || tpf->denominator == 0)
+ sd->frame_rate = DEFAULT_FRAME_RATE;
+ else
+ sd->frame_rate = tpf->denominator / tpf->numerator;
+
+ if (gspca_dev->streaming)
+ set_frame_rate(gspca_dev);
+
+ /* Return the actual framerate */
+ tpf->numerator = 1;
+ tpf->denominator = sd->frame_rate;
+}
+
+/* sub-driver description */
+static const struct sd_desc sd_desc = {
+ .name = MODULE_NAME,
+ .config = sd_config,
+ .init = sd_init,
+ .init_controls = sd_init_controls,
+ .start = sd_start,
+ .stopN = sd_stopN,
+ .pkt_scan = sd_pkt_scan,
+ .get_streamparm = sd_get_streamparm,
+ .set_streamparm = sd_set_streamparm,
+};
+
+/* -- module initialisation -- */
+static const struct usb_device_id device_table[] = {
+ {USB_DEVICE(0x1415, 0x2000)},
+ {USB_DEVICE(0x06f8, 0x3002)},
+ {}
+};
+
+MODULE_DEVICE_TABLE(usb, device_table);
+
+/* -- device connect -- */
+static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+ return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
+ THIS_MODULE);
+}
+
+static struct usb_driver sd_driver = {
+ .name = MODULE_NAME,
+ .id_table = device_table,
+ .probe = sd_probe,
+ .disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+ .reset_resume = gspca_resume,
+#endif
+};
+
+module_usb_driver(sd_driver);