|  | /* | 
|  | *	Sonix sn9c201 sn9c202 library | 
|  | * | 
|  | * Copyright (C) 2012 Jean-Francois Moine <http://moinejf.free.fr> | 
|  | *	Copyright (C) 2008-2009 microdia project <microdia@googlegroups.com> | 
|  | *	Copyright (C) 2009 Brian Johnson <brijohn@gmail.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. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | 
|  | */ | 
|  |  | 
|  | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | 
|  |  | 
|  | #include <linux/input.h> | 
|  |  | 
|  | #include "gspca.h" | 
|  | #include "jpeg.h" | 
|  |  | 
|  | #include <linux/dmi.h> | 
|  |  | 
|  | MODULE_AUTHOR("Brian Johnson <brijohn@gmail.com>, " | 
|  | "microdia project <microdia@googlegroups.com>"); | 
|  | MODULE_DESCRIPTION("GSPCA/SN9C20X USB Camera Driver"); | 
|  | MODULE_LICENSE("GPL"); | 
|  |  | 
|  | /* | 
|  | * Pixel format private data | 
|  | */ | 
|  | #define SCALE_MASK	0x0f | 
|  | #define SCALE_160x120	0 | 
|  | #define SCALE_320x240	1 | 
|  | #define SCALE_640x480	2 | 
|  | #define SCALE_1280x1024	3 | 
|  | #define MODE_RAW	0x10 | 
|  | #define MODE_JPEG	0x20 | 
|  | #define MODE_SXGA	0x80 | 
|  |  | 
|  | #define SENSOR_OV9650	0 | 
|  | #define SENSOR_OV9655	1 | 
|  | #define SENSOR_SOI968	2 | 
|  | #define SENSOR_OV7660	3 | 
|  | #define SENSOR_OV7670	4 | 
|  | #define SENSOR_MT9V011	5 | 
|  | #define SENSOR_MT9V111	6 | 
|  | #define SENSOR_MT9V112	7 | 
|  | #define SENSOR_MT9M001	8 | 
|  | #define SENSOR_MT9M111	9 | 
|  | #define SENSOR_MT9M112  10 | 
|  | #define SENSOR_HV7131R	11 | 
|  | #define SENSOR_MT9VPRB	12 | 
|  |  | 
|  | /* camera flags */ | 
|  | #define HAS_NO_BUTTON	0x1 | 
|  | #define LED_REVERSE	0x2 /* some cameras unset gpio to turn on leds */ | 
|  | #define FLIP_DETECT	0x4 | 
|  |  | 
|  | /* specific webcam descriptor */ | 
|  | struct sd { | 
|  | struct gspca_dev gspca_dev; | 
|  |  | 
|  | struct { /* color control cluster */ | 
|  | struct v4l2_ctrl *brightness; | 
|  | struct v4l2_ctrl *contrast; | 
|  | struct v4l2_ctrl *saturation; | 
|  | struct v4l2_ctrl *hue; | 
|  | }; | 
|  | struct { /* blue/red balance control cluster */ | 
|  | struct v4l2_ctrl *blue; | 
|  | struct v4l2_ctrl *red; | 
|  | }; | 
|  | struct { /* h/vflip control cluster */ | 
|  | struct v4l2_ctrl *hflip; | 
|  | struct v4l2_ctrl *vflip; | 
|  | }; | 
|  | struct v4l2_ctrl *gamma; | 
|  | struct { /* autogain and exposure or gain control cluster */ | 
|  | struct v4l2_ctrl *autogain; | 
|  | struct v4l2_ctrl *exposure; | 
|  | struct v4l2_ctrl *gain; | 
|  | }; | 
|  | struct v4l2_ctrl *jpegqual; | 
|  |  | 
|  | struct work_struct work; | 
|  | struct workqueue_struct *work_thread; | 
|  |  | 
|  | u32 pktsz;			/* (used by pkt_scan) */ | 
|  | u16 npkt; | 
|  | s8 nchg; | 
|  | u8 fmt;				/* (used for JPEG QTAB update */ | 
|  |  | 
|  | #define MIN_AVG_LUM 80 | 
|  | #define MAX_AVG_LUM 130 | 
|  | atomic_t avg_lum; | 
|  | u8 old_step; | 
|  | u8 older_step; | 
|  | u8 exposure_step; | 
|  |  | 
|  | u8 i2c_addr; | 
|  | u8 i2c_intf; | 
|  | u8 sensor; | 
|  | u8 hstart; | 
|  | u8 vstart; | 
|  |  | 
|  | u8 jpeg_hdr[JPEG_HDR_SZ]; | 
|  |  | 
|  | u8 flags; | 
|  | }; | 
|  |  | 
|  | static void qual_upd(struct work_struct *work); | 
|  |  | 
|  | struct i2c_reg_u8 { | 
|  | u8 reg; | 
|  | u8 val; | 
|  | }; | 
|  |  | 
|  | struct i2c_reg_u16 { | 
|  | u8 reg; | 
|  | u16 val; | 
|  | }; | 
|  |  | 
|  | static const struct dmi_system_id flip_dmi_table[] = { | 
|  | { | 
|  | .ident = "MSI MS-1034", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD."), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "MS-1034"), | 
|  | DMI_MATCH(DMI_PRODUCT_VERSION, "0341") | 
|  | } | 
|  | }, | 
|  | { | 
|  | .ident = "MSI MS-1632", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, "MSI"), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "MS-1632") | 
|  | } | 
|  | }, | 
|  | { | 
|  | .ident = "MSI MS-1633X", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, "MSI"), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "MS-1633X") | 
|  | } | 
|  | }, | 
|  | { | 
|  | .ident = "MSI MS-1635X", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, "MSI"), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "MS-1635X") | 
|  | } | 
|  | }, | 
|  | { | 
|  | .ident = "ASUSTeK W7J", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "W7J       ") | 
|  | } | 
|  | }, | 
|  | {} | 
|  | }; | 
|  |  | 
|  | static const struct v4l2_pix_format vga_mode[] = { | 
|  | {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 160 * 120 * 4 / 8 + 590, | 
|  | .colorspace = V4L2_COLORSPACE_JPEG, | 
|  | .priv = SCALE_160x120 | MODE_JPEG}, | 
|  | {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 160 * 120, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_160x120 | MODE_RAW}, | 
|  | {160, 120, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 240 * 120, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_160x120}, | 
|  | {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 320 * 240 * 4 / 8 + 590, | 
|  | .colorspace = V4L2_COLORSPACE_JPEG, | 
|  | .priv = SCALE_320x240 | MODE_JPEG}, | 
|  | {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 320 * 240 , | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_320x240 | MODE_RAW}, | 
|  | {320, 240, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 480 * 240 , | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_320x240}, | 
|  | {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 640 * 480 * 4 / 8 + 590, | 
|  | .colorspace = V4L2_COLORSPACE_JPEG, | 
|  | .priv = SCALE_640x480 | MODE_JPEG}, | 
|  | {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 640 * 480, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_640x480 | MODE_RAW}, | 
|  | {640, 480, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 960 * 480, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_640x480}, | 
|  | }; | 
|  |  | 
|  | static const struct v4l2_pix_format sxga_mode[] = { | 
|  | {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 160 * 120 * 4 / 8 + 590, | 
|  | .colorspace = V4L2_COLORSPACE_JPEG, | 
|  | .priv = SCALE_160x120 | MODE_JPEG}, | 
|  | {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 160 * 120, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_160x120 | MODE_RAW}, | 
|  | {160, 120, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 240 * 120, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_160x120}, | 
|  | {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 320 * 240 * 4 / 8 + 590, | 
|  | .colorspace = V4L2_COLORSPACE_JPEG, | 
|  | .priv = SCALE_320x240 | MODE_JPEG}, | 
|  | {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 320 * 240 , | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_320x240 | MODE_RAW}, | 
|  | {320, 240, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 480 * 240 , | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_320x240}, | 
|  | {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 640 * 480 * 4 / 8 + 590, | 
|  | .colorspace = V4L2_COLORSPACE_JPEG, | 
|  | .priv = SCALE_640x480 | MODE_JPEG}, | 
|  | {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 640 * 480, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_640x480 | MODE_RAW}, | 
|  | {640, 480, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 960 * 480, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_640x480}, | 
|  | {1280, 1024, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, | 
|  | .bytesperline = 1280, | 
|  | .sizeimage = 1280 * 1024, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_1280x1024 | MODE_RAW | MODE_SXGA}, | 
|  | }; | 
|  |  | 
|  | static const struct v4l2_pix_format mono_mode[] = { | 
|  | {160, 120, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE, | 
|  | .bytesperline = 160, | 
|  | .sizeimage = 160 * 120, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_160x120 | MODE_RAW}, | 
|  | {320, 240, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE, | 
|  | .bytesperline = 320, | 
|  | .sizeimage = 320 * 240 , | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_320x240 | MODE_RAW}, | 
|  | {640, 480, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE, | 
|  | .bytesperline = 640, | 
|  | .sizeimage = 640 * 480, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_640x480 | MODE_RAW}, | 
|  | {1280, 1024, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE, | 
|  | .bytesperline = 1280, | 
|  | .sizeimage = 1280 * 1024, | 
|  | .colorspace = V4L2_COLORSPACE_SRGB, | 
|  | .priv = SCALE_1280x1024 | MODE_RAW | MODE_SXGA}, | 
|  | }; | 
|  |  | 
|  | static const s16 hsv_red_x[] = { | 
|  | 41,  44,  46,  48,  50,  52,  54,  56, | 
|  | 58,  60,  62,  64,  66,  68,  70,  72, | 
|  | 74,  76,  78,  80,  81,  83,  85,  87, | 
|  | 88,  90,  92,  93,  95,  97,  98, 100, | 
|  | 101, 102, 104, 105, 107, 108, 109, 110, | 
|  | 112, 113, 114, 115, 116, 117, 118, 119, | 
|  | 120, 121, 122, 123, 123, 124, 125, 125, | 
|  | 126, 127, 127, 128, 128, 129, 129, 129, | 
|  | 130, 130, 130, 130, 131, 131, 131, 131, | 
|  | 131, 131, 131, 131, 130, 130, 130, 130, | 
|  | 129, 129, 129, 128, 128, 127, 127, 126, | 
|  | 125, 125, 124, 123, 122, 122, 121, 120, | 
|  | 119, 118, 117, 116, 115, 114, 112, 111, | 
|  | 110, 109, 107, 106, 105, 103, 102, 101, | 
|  | 99,  98,  96,  94,  93,  91,  90,  88, | 
|  | 86,  84,  83,  81,  79,  77,  75,  74, | 
|  | 72,  70,  68,  66,  64,  62,  60,  58, | 
|  | 56,  54,  52,  49,  47,  45,  43,  41, | 
|  | 39,  36,  34,  32,  30,  28,  25,  23, | 
|  | 21,  19,  16,  14,  12,   9,   7,   5, | 
|  | 3,   0,  -1,  -3,  -6,  -8, -10, -12, | 
|  | -15, -17, -19, -22, -24, -26, -28, -30, | 
|  | -33, -35, -37, -39, -41, -44, -46, -48, | 
|  | -50, -52, -54, -56, -58, -60, -62, -64, | 
|  | -66, -68, -70, -72, -74, -76, -78, -80, | 
|  | -81, -83, -85, -87, -88, -90, -92, -93, | 
|  | -95, -97, -98, -100, -101, -102, -104, -105, | 
|  | -107, -108, -109, -110, -112, -113, -114, -115, | 
|  | -116, -117, -118, -119, -120, -121, -122, -123, | 
|  | -123, -124, -125, -125, -126, -127, -127, -128, | 
|  | -128, -128, -128, -128, -128, -128, -128, -128, | 
|  | -128, -128, -128, -128, -128, -128, -128, -128, | 
|  | -128, -128, -128, -128, -128, -128, -128, -128, | 
|  | -128, -127, -127, -126, -125, -125, -124, -123, | 
|  | -122, -122, -121, -120, -119, -118, -117, -116, | 
|  | -115, -114, -112, -111, -110, -109, -107, -106, | 
|  | -105, -103, -102, -101, -99, -98, -96, -94, | 
|  | -93, -91, -90, -88, -86, -84, -83, -81, | 
|  | -79, -77, -75, -74, -72, -70, -68, -66, | 
|  | -64, -62, -60, -58, -56, -54, -52, -49, | 
|  | -47, -45, -43, -41, -39, -36, -34, -32, | 
|  | -30, -28, -25, -23, -21, -19, -16, -14, | 
|  | -12,  -9,  -7,  -5,  -3,   0,   1,   3, | 
|  | 6,   8,  10,  12,  15,  17,  19,  22, | 
|  | 24,  26,  28,  30,  33,  35,  37,  39, 41 | 
|  | }; | 
|  |  | 
|  | static const s16 hsv_red_y[] = { | 
|  | 82,  80,  78,  76,  74,  73,  71,  69, | 
|  | 67,  65,  63,  61,  58,  56,  54,  52, | 
|  | 50,  48,  46,  44,  41,  39,  37,  35, | 
|  | 32,  30,  28,  26,  23,  21,  19,  16, | 
|  | 14,  12,  10,   7,   5,   3,   0,  -1, | 
|  | -3,  -6,  -8, -10, -13, -15, -17, -19, | 
|  | -22, -24, -26, -29, -31, -33, -35, -38, | 
|  | -40, -42, -44, -46, -48, -51, -53, -55, | 
|  | -57, -59, -61, -63, -65, -67, -69, -71, | 
|  | -73, -75, -77, -79, -81, -82, -84, -86, | 
|  | -88, -89, -91, -93, -94, -96, -98, -99, | 
|  | -101, -102, -104, -105, -106, -108, -109, -110, | 
|  | -112, -113, -114, -115, -116, -117, -119, -120, | 
|  | -120, -121, -122, -123, -124, -125, -126, -126, | 
|  | -127, -128, -128, -128, -128, -128, -128, -128, | 
|  | -128, -128, -128, -128, -128, -128, -128, -128, | 
|  | -128, -128, -128, -128, -128, -128, -128, -128, | 
|  | -128, -128, -128, -128, -128, -128, -128, -128, | 
|  | -127, -127, -126, -125, -125, -124, -123, -122, | 
|  | -121, -120, -119, -118, -117, -116, -115, -114, | 
|  | -113, -111, -110, -109, -107, -106, -105, -103, | 
|  | -102, -100, -99, -97, -96, -94, -92, -91, | 
|  | -89, -87, -85, -84, -82, -80, -78, -76, | 
|  | -74, -73, -71, -69, -67, -65, -63, -61, | 
|  | -58, -56, -54, -52, -50, -48, -46, -44, | 
|  | -41, -39, -37, -35, -32, -30, -28, -26, | 
|  | -23, -21, -19, -16, -14, -12, -10,  -7, | 
|  | -5,  -3,   0,   1,   3,   6,   8,  10, | 
|  | 13,  15,  17,  19,  22,  24,  26,  29, | 
|  | 31,  33,  35,  38,  40,  42,  44,  46, | 
|  | 48,  51,  53,  55,  57,  59,  61,  63, | 
|  | 65,  67,  69,  71,  73,  75,  77,  79, | 
|  | 81,  82,  84,  86,  88,  89,  91,  93, | 
|  | 94,  96,  98,  99, 101, 102, 104, 105, | 
|  | 106, 108, 109, 110, 112, 113, 114, 115, | 
|  | 116, 117, 119, 120, 120, 121, 122, 123, | 
|  | 124, 125, 126, 126, 127, 128, 128, 129, | 
|  | 129, 130, 130, 131, 131, 131, 131, 132, | 
|  | 132, 132, 132, 132, 132, 132, 132, 132, | 
|  | 132, 132, 132, 131, 131, 131, 130, 130, | 
|  | 130, 129, 129, 128, 127, 127, 126, 125, | 
|  | 125, 124, 123, 122, 121, 120, 119, 118, | 
|  | 117, 116, 115, 114, 113, 111, 110, 109, | 
|  | 107, 106, 105, 103, 102, 100,  99,  97, | 
|  | 96, 94, 92, 91, 89, 87, 85, 84, 82 | 
|  | }; | 
|  |  | 
|  | static const s16 hsv_green_x[] = { | 
|  | -124, -124, -125, -125, -125, -125, -125, -125, | 
|  | -125, -126, -126, -125, -125, -125, -125, -125, | 
|  | -125, -124, -124, -124, -123, -123, -122, -122, | 
|  | -121, -121, -120, -120, -119, -118, -117, -117, | 
|  | -116, -115, -114, -113, -112, -111, -110, -109, | 
|  | -108, -107, -105, -104, -103, -102, -100, -99, | 
|  | -98, -96, -95, -93, -92, -91, -89, -87, | 
|  | -86, -84, -83, -81, -79, -77, -76, -74, | 
|  | -72, -70, -69, -67, -65, -63, -61, -59, | 
|  | -57, -55, -53, -51, -49, -47, -45, -43, | 
|  | -41, -39, -37, -35, -33, -30, -28, -26, | 
|  | -24, -22, -20, -18, -15, -13, -11,  -9, | 
|  | -7,  -4,  -2,   0,   1,   3,   6,   8, | 
|  | 10,  12,  14,  17,  19,  21,  23,  25, | 
|  | 27,  29,  32,  34,  36,  38,  40,  42, | 
|  | 44,  46,  48,  50,  52,  54,  56,  58, | 
|  | 60,  62,  64,  66,  68,  70,  71,  73, | 
|  | 75,  77,  78,  80,  82,  83,  85,  87, | 
|  | 88,  90,  91,  93,  94,  96,  97,  98, | 
|  | 100, 101, 102, 104, 105, 106, 107, 108, | 
|  | 109, 111, 112, 113, 113, 114, 115, 116, | 
|  | 117, 118, 118, 119, 120, 120, 121, 122, | 
|  | 122, 123, 123, 124, 124, 124, 125, 125, | 
|  | 125, 125, 125, 125, 125, 126, 126, 125, | 
|  | 125, 125, 125, 125, 125, 124, 124, 124, | 
|  | 123, 123, 122, 122, 121, 121, 120, 120, | 
|  | 119, 118, 117, 117, 116, 115, 114, 113, | 
|  | 112, 111, 110, 109, 108, 107, 105, 104, | 
|  | 103, 102, 100,  99,  98,  96,  95,  93, | 
|  | 92,  91,  89,  87,  86,  84,  83,  81, | 
|  | 79,  77,  76,  74,  72,  70,  69,  67, | 
|  | 65,  63,  61,  59,  57,  55,  53,  51, | 
|  | 49,  47,  45,  43,  41,  39,  37,  35, | 
|  | 33,  30,  28,  26,  24,  22,  20,  18, | 
|  | 15,  13,  11,   9,   7,   4,   2,   0, | 
|  | -1,  -3,  -6,  -8, -10, -12, -14, -17, | 
|  | -19, -21, -23, -25, -27, -29, -32, -34, | 
|  | -36, -38, -40, -42, -44, -46, -48, -50, | 
|  | -52, -54, -56, -58, -60, -62, -64, -66, | 
|  | -68, -70, -71, -73, -75, -77, -78, -80, | 
|  | -82, -83, -85, -87, -88, -90, -91, -93, | 
|  | -94, -96, -97, -98, -100, -101, -102, -104, | 
|  | -105, -106, -107, -108, -109, -111, -112, -113, | 
|  | -113, -114, -115, -116, -117, -118, -118, -119, | 
|  | -120, -120, -121, -122, -122, -123, -123, -124, -124 | 
|  | }; | 
|  |  | 
|  | static const s16 hsv_green_y[] = { | 
|  | -100, -99, -98, -97, -95, -94, -93, -91, | 
|  | -90, -89, -87, -86, -84, -83, -81, -80, | 
|  | -78, -76, -75, -73, -71, -70, -68, -66, | 
|  | -64, -63, -61, -59, -57, -55, -53, -51, | 
|  | -49, -48, -46, -44, -42, -40, -38, -36, | 
|  | -34, -32, -30, -27, -25, -23, -21, -19, | 
|  | -17, -15, -13, -11,  -9,  -7,  -4,  -2, | 
|  | 0,   1,   3,   5,   7,   9,  11,  14, | 
|  | 16,  18,  20,  22,  24,  26,  28,  30, | 
|  | 32,  34,  36,  38,  40,  42,  44,  46, | 
|  | 48,  50,  52,  54,  56,  58,  59,  61, | 
|  | 63,  65,  67,  68,  70,  72,  74,  75, | 
|  | 77,  78,  80,  82,  83,  85,  86,  88, | 
|  | 89,  90,  92,  93,  95,  96,  97,  98, | 
|  | 100, 101, 102, 103, 104, 105, 106, 107, | 
|  | 108, 109, 110, 111, 112, 112, 113, 114, | 
|  | 115, 115, 116, 116, 117, 117, 118, 118, | 
|  | 119, 119, 119, 120, 120, 120, 120, 120, | 
|  | 121, 121, 121, 121, 121, 121, 120, 120, | 
|  | 120, 120, 120, 119, 119, 119, 118, 118, | 
|  | 117, 117, 116, 116, 115, 114, 114, 113, | 
|  | 112, 111, 111, 110, 109, 108, 107, 106, | 
|  | 105, 104, 103, 102, 100,  99,  98,  97, | 
|  | 95,  94,  93,  91,  90,  89,  87,  86, | 
|  | 84,  83,  81,  80,  78,  76,  75,  73, | 
|  | 71,  70,  68,  66,  64,  63,  61,  59, | 
|  | 57,  55,  53,  51,  49,  48,  46,  44, | 
|  | 42,  40,  38,  36,  34,  32,  30,  27, | 
|  | 25,  23,  21,  19,  17,  15,  13,  11, | 
|  | 9,   7,   4,   2,   0,  -1,  -3,  -5, | 
|  | -7,  -9, -11, -14, -16, -18, -20, -22, | 
|  | -24, -26, -28, -30, -32, -34, -36, -38, | 
|  | -40, -42, -44, -46, -48, -50, -52, -54, | 
|  | -56, -58, -59, -61, -63, -65, -67, -68, | 
|  | -70, -72, -74, -75, -77, -78, -80, -82, | 
|  | -83, -85, -86, -88, -89, -90, -92, -93, | 
|  | -95, -96, -97, -98, -100, -101, -102, -103, | 
|  | -104, -105, -106, -107, -108, -109, -110, -111, | 
|  | -112, -112, -113, -114, -115, -115, -116, -116, | 
|  | -117, -117, -118, -118, -119, -119, -119, -120, | 
|  | -120, -120, -120, -120, -121, -121, -121, -121, | 
|  | -121, -121, -120, -120, -120, -120, -120, -119, | 
|  | -119, -119, -118, -118, -117, -117, -116, -116, | 
|  | -115, -114, -114, -113, -112, -111, -111, -110, | 
|  | -109, -108, -107, -106, -105, -104, -103, -102, -100 | 
|  | }; | 
|  |  | 
|  | static const s16 hsv_blue_x[] = { | 
|  | 112, 113, 114, 114, 115, 116, 117, 117, | 
|  | 118, 118, 119, 119, 120, 120, 120, 121, | 
|  | 121, 121, 122, 122, 122, 122, 122, 122, | 
|  | 122, 122, 122, 122, 122, 122, 121, 121, | 
|  | 121, 120, 120, 120, 119, 119, 118, 118, | 
|  | 117, 116, 116, 115, 114, 113, 113, 112, | 
|  | 111, 110, 109, 108, 107, 106, 105, 104, | 
|  | 103, 102, 100,  99,  98,  97,  95,  94, | 
|  | 93,  91,  90,  88,  87,  85,  84,  82, | 
|  | 80,  79,  77,  76,  74,  72,  70,  69, | 
|  | 67,  65,  63,  61,  60,  58,  56,  54, | 
|  | 52,  50,  48,  46,  44,  42,  40,  38, | 
|  | 36,  34,  32,  30,  28,  26,  24,  22, | 
|  | 19,  17,  15,  13,  11,   9,   7,   5, | 
|  | 2,   0,  -1,  -3,  -5,  -7,  -9, -12, | 
|  | -14, -16, -18, -20, -22, -24, -26, -28, | 
|  | -31, -33, -35, -37, -39, -41, -43, -45, | 
|  | -47, -49, -51, -53, -54, -56, -58, -60, | 
|  | -62, -64, -66, -67, -69, -71, -73, -74, | 
|  | -76, -78, -79, -81, -83, -84, -86, -87, | 
|  | -89, -90, -92, -93, -94, -96, -97, -98, | 
|  | -99, -101, -102, -103, -104, -105, -106, -107, | 
|  | -108, -109, -110, -111, -112, -113, -114, -114, | 
|  | -115, -116, -117, -117, -118, -118, -119, -119, | 
|  | -120, -120, -120, -121, -121, -121, -122, -122, | 
|  | -122, -122, -122, -122, -122, -122, -122, -122, | 
|  | -122, -122, -121, -121, -121, -120, -120, -120, | 
|  | -119, -119, -118, -118, -117, -116, -116, -115, | 
|  | -114, -113, -113, -112, -111, -110, -109, -108, | 
|  | -107, -106, -105, -104, -103, -102, -100, -99, | 
|  | -98, -97, -95, -94, -93, -91, -90, -88, | 
|  | -87, -85, -84, -82, -80, -79, -77, -76, | 
|  | -74, -72, -70, -69, -67, -65, -63, -61, | 
|  | -60, -58, -56, -54, -52, -50, -48, -46, | 
|  | -44, -42, -40, -38, -36, -34, -32, -30, | 
|  | -28, -26, -24, -22, -19, -17, -15, -13, | 
|  | -11,  -9,  -7,  -5,  -2,   0,   1,   3, | 
|  | 5,   7,   9,  12,  14,  16,  18,  20, | 
|  | 22,  24,  26,  28,  31,  33,  35,  37, | 
|  | 39,  41,  43,  45,  47,  49,  51,  53, | 
|  | 54,  56,  58,  60,  62,  64,  66,  67, | 
|  | 69,  71,  73,  74,  76,  78,  79,  81, | 
|  | 83,  84,  86,  87,  89,  90,  92,  93, | 
|  | 94,  96,  97,  98,  99, 101, 102, 103, | 
|  | 104, 105, 106, 107, 108, 109, 110, 111, 112 | 
|  | }; | 
|  |  | 
|  | static const s16 hsv_blue_y[] = { | 
|  | -11, -13, -15, -17, -19, -21, -23, -25, | 
|  | -27, -29, -31, -33, -35, -37, -39, -41, | 
|  | -43, -45, -46, -48, -50, -52, -54, -55, | 
|  | -57, -59, -61, -62, -64, -66, -67, -69, | 
|  | -71, -72, -74, -75, -77, -78, -80, -81, | 
|  | -83, -84, -86, -87, -88, -90, -91, -92, | 
|  | -93, -95, -96, -97, -98, -99, -100, -101, | 
|  | -102, -103, -104, -105, -106, -106, -107, -108, | 
|  | -109, -109, -110, -111, -111, -112, -112, -113, | 
|  | -113, -114, -114, -114, -115, -115, -115, -115, | 
|  | -116, -116, -116, -116, -116, -116, -116, -116, | 
|  | -116, -115, -115, -115, -115, -114, -114, -114, | 
|  | -113, -113, -112, -112, -111, -111, -110, -110, | 
|  | -109, -108, -108, -107, -106, -105, -104, -103, | 
|  | -102, -101, -100, -99, -98, -97, -96, -95, | 
|  | -94, -93, -91, -90, -89, -88, -86, -85, | 
|  | -84, -82, -81, -79, -78, -76, -75, -73, | 
|  | -71, -70, -68, -67, -65, -63, -62, -60, | 
|  | -58, -56, -55, -53, -51, -49, -47, -45, | 
|  | -44, -42, -40, -38, -36, -34, -32, -30, | 
|  | -28, -26, -24, -22, -20, -18, -16, -14, | 
|  | -12, -10,  -8,  -6,  -4,  -2,   0,   1, | 
|  | 3,   5,   7,   9,  11,  13,  15,  17, | 
|  | 19,  21,  23,  25,  27,  29,  31,  33, | 
|  | 35,  37,  39,  41,  43,  45,  46,  48, | 
|  | 50,  52,  54,  55,  57,  59,  61,  62, | 
|  | 64,  66,  67,  69,  71,  72,  74,  75, | 
|  | 77,  78,  80,  81,  83,  84,  86,  87, | 
|  | 88,  90,  91,  92,  93,  95,  96,  97, | 
|  | 98,  99, 100, 101, 102, 103, 104, 105, | 
|  | 106, 106, 107, 108, 109, 109, 110, 111, | 
|  | 111, 112, 112, 113, 113, 114, 114, 114, | 
|  | 115, 115, 115, 115, 116, 116, 116, 116, | 
|  | 116, 116, 116, 116, 116, 115, 115, 115, | 
|  | 115, 114, 114, 114, 113, 113, 112, 112, | 
|  | 111, 111, 110, 110, 109, 108, 108, 107, | 
|  | 106, 105, 104, 103, 102, 101, 100,  99, | 
|  | 98,  97,  96,  95,  94,  93,  91,  90, | 
|  | 89,  88,  86,  85,  84,  82,  81,  79, | 
|  | 78,  76,  75,  73,  71,  70,  68,  67, | 
|  | 65,  63,  62,  60,  58,  56,  55,  53, | 
|  | 51,  49,  47,  45,  44,  42,  40,  38, | 
|  | 36,  34,  32,  30,  28,  26,  24,  22, | 
|  | 20,  18,  16,  14,  12,  10,   8,   6, | 
|  | 4,   2,   0,  -1,  -3,  -5,  -7,  -9, -11 | 
|  | }; | 
|  |  | 
|  | static const u16 bridge_init[][2] = { | 
|  | {0x1000, 0x78}, {0x1001, 0x40}, {0x1002, 0x1c}, | 
|  | {0x1020, 0x80}, {0x1061, 0x01}, {0x1067, 0x40}, | 
|  | {0x1068, 0x30}, {0x1069, 0x20},	{0x106a, 0x10}, | 
|  | {0x106b, 0x08},	{0x1188, 0x87},	{0x11a1, 0x00}, | 
|  | {0x11a2, 0x00},	{0x11a3, 0x6a},	{0x11a4, 0x50}, | 
|  | {0x11ab, 0x00},	{0x11ac, 0x00},	{0x11ad, 0x50}, | 
|  | {0x11ae, 0x3c},	{0x118a, 0x04},	{0x0395, 0x04}, | 
|  | {0x11b8, 0x3a},	{0x118b, 0x0e},	{0x10f7, 0x05}, | 
|  | {0x10f8, 0x14},	{0x10fa, 0xff},	{0x10f9, 0x00}, | 
|  | {0x11ba, 0x0a},	{0x11a5, 0x2d},	{0x11a6, 0x2d}, | 
|  | {0x11a7, 0x3a},	{0x11a8, 0x05},	{0x11a9, 0x04}, | 
|  | {0x11aa, 0x3f},	{0x11af, 0x28},	{0x11b0, 0xd8}, | 
|  | {0x11b1, 0x14},	{0x11b2, 0xec},	{0x11b3, 0x32}, | 
|  | {0x11b4, 0xdd},	{0x11b5, 0x32},	{0x11b6, 0xdd}, | 
|  | {0x10e0, 0x2c},	{0x11bc, 0x40},	{0x11bd, 0x01}, | 
|  | {0x11be, 0xf0},	{0x11bf, 0x00},	{0x118c, 0x1f}, | 
|  | {0x118d, 0x1f},	{0x118e, 0x1f},	{0x118f, 0x1f}, | 
|  | {0x1180, 0x01},	{0x1181, 0x00},	{0x1182, 0x01}, | 
|  | {0x1183, 0x00},	{0x1184, 0x50},	{0x1185, 0x80}, | 
|  | {0x1007, 0x00} | 
|  | }; | 
|  |  | 
|  | /* Gain = (bit[3:0] / 16 + 1) * (bit[4] + 1) * (bit[5] + 1) * (bit[6] + 1) */ | 
|  | static const u8 ov_gain[] = { | 
|  | 0x00 /* 1x */, 0x04 /* 1.25x */, 0x08 /* 1.5x */, 0x0c /* 1.75x */, | 
|  | 0x10 /* 2x */, 0x12 /* 2.25x */, 0x14 /* 2.5x */, 0x16 /* 2.75x */, | 
|  | 0x18 /* 3x */, 0x1a /* 3.25x */, 0x1c /* 3.5x */, 0x1e /* 3.75x */, | 
|  | 0x30 /* 4x */, 0x31 /* 4.25x */, 0x32 /* 4.5x */, 0x33 /* 4.75x */, | 
|  | 0x34 /* 5x */, 0x35 /* 5.25x */, 0x36 /* 5.5x */, 0x37 /* 5.75x */, | 
|  | 0x38 /* 6x */, 0x39 /* 6.25x */, 0x3a /* 6.5x */, 0x3b /* 6.75x */, | 
|  | 0x3c /* 7x */, 0x3d /* 7.25x */, 0x3e /* 7.5x */, 0x3f /* 7.75x */, | 
|  | 0x70 /* 8x */ | 
|  | }; | 
|  |  | 
|  | /* Gain = (bit[8] + 1) * (bit[7] + 1) * (bit[6:0] * 0.03125) */ | 
|  | static const u16 micron1_gain[] = { | 
|  | /* 1x   1.25x   1.5x    1.75x */ | 
|  | 0x0020, 0x0028, 0x0030, 0x0038, | 
|  | /* 2x   2.25x   2.5x    2.75x */ | 
|  | 0x00a0, 0x00a4, 0x00a8, 0x00ac, | 
|  | /* 3x   3.25x   3.5x    3.75x */ | 
|  | 0x00b0, 0x00b4, 0x00b8, 0x00bc, | 
|  | /* 4x   4.25x   4.5x    4.75x */ | 
|  | 0x00c0, 0x00c4, 0x00c8, 0x00cc, | 
|  | /* 5x   5.25x   5.5x    5.75x */ | 
|  | 0x00d0, 0x00d4, 0x00d8, 0x00dc, | 
|  | /* 6x   6.25x   6.5x    6.75x */ | 
|  | 0x00e0, 0x00e4, 0x00e8, 0x00ec, | 
|  | /* 7x   7.25x   7.5x    7.75x */ | 
|  | 0x00f0, 0x00f4, 0x00f8, 0x00fc, | 
|  | /* 8x */ | 
|  | 0x01c0 | 
|  | }; | 
|  |  | 
|  | /* mt9m001 sensor uses a different gain formula then other micron sensors */ | 
|  | /* Gain = (bit[6] + 1) * (bit[5-0] * 0.125) */ | 
|  | static const u16 micron2_gain[] = { | 
|  | /* 1x   1.25x   1.5x    1.75x */ | 
|  | 0x0008, 0x000a, 0x000c, 0x000e, | 
|  | /* 2x   2.25x   2.5x    2.75x */ | 
|  | 0x0010, 0x0012, 0x0014, 0x0016, | 
|  | /* 3x   3.25x   3.5x    3.75x */ | 
|  | 0x0018, 0x001a, 0x001c, 0x001e, | 
|  | /* 4x   4.25x   4.5x    4.75x */ | 
|  | 0x0020, 0x0051, 0x0052, 0x0053, | 
|  | /* 5x   5.25x   5.5x    5.75x */ | 
|  | 0x0054, 0x0055, 0x0056, 0x0057, | 
|  | /* 6x   6.25x   6.5x    6.75x */ | 
|  | 0x0058, 0x0059, 0x005a, 0x005b, | 
|  | /* 7x   7.25x   7.5x    7.75x */ | 
|  | 0x005c, 0x005d, 0x005e, 0x005f, | 
|  | /* 8x */ | 
|  | 0x0060 | 
|  | }; | 
|  |  | 
|  | /* Gain = .5 + bit[7:0] / 16 */ | 
|  | static const u8 hv7131r_gain[] = { | 
|  | 0x08 /* 1x */, 0x0c /* 1.25x */, 0x10 /* 1.5x */, 0x14 /* 1.75x */, | 
|  | 0x18 /* 2x */, 0x1c /* 2.25x */, 0x20 /* 2.5x */, 0x24 /* 2.75x */, | 
|  | 0x28 /* 3x */, 0x2c /* 3.25x */, 0x30 /* 3.5x */, 0x34 /* 3.75x */, | 
|  | 0x38 /* 4x */, 0x3c /* 4.25x */, 0x40 /* 4.5x */, 0x44 /* 4.75x */, | 
|  | 0x48 /* 5x */, 0x4c /* 5.25x */, 0x50 /* 5.5x */, 0x54 /* 5.75x */, | 
|  | 0x58 /* 6x */, 0x5c /* 6.25x */, 0x60 /* 6.5x */, 0x64 /* 6.75x */, | 
|  | 0x68 /* 7x */, 0x6c /* 7.25x */, 0x70 /* 7.5x */, 0x74 /* 7.75x */, | 
|  | 0x78 /* 8x */ | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u8 soi968_init[] = { | 
|  | {0x0c, 0x00}, {0x0f, 0x1f}, | 
|  | {0x11, 0x80}, {0x38, 0x52}, {0x1e, 0x00}, | 
|  | {0x33, 0x08}, {0x35, 0x8c}, {0x36, 0x0c}, | 
|  | {0x37, 0x04}, {0x45, 0x04}, {0x47, 0xff}, | 
|  | {0x3e, 0x00}, {0x3f, 0x00}, {0x3b, 0x20}, | 
|  | {0x3a, 0x96}, {0x3d, 0x0a}, {0x14, 0x8e}, | 
|  | {0x13, 0x8b}, {0x12, 0x40}, {0x17, 0x13}, | 
|  | {0x18, 0x63}, {0x19, 0x01}, {0x1a, 0x79}, | 
|  | {0x32, 0x24}, {0x03, 0x00}, {0x11, 0x40}, | 
|  | {0x2a, 0x10}, {0x2b, 0xe0}, {0x10, 0x32}, | 
|  | {0x00, 0x00}, {0x01, 0x80}, {0x02, 0x80}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u8 ov7660_init[] = { | 
|  | {0x0e, 0x80}, {0x0d, 0x08}, {0x0f, 0xc3}, | 
|  | {0x04, 0xc3}, {0x10, 0x40}, {0x11, 0x40}, | 
|  | {0x12, 0x05}, {0x13, 0xba}, {0x14, 0x2a}, | 
|  | /* HDG Set hstart and hstop, datasheet default 0x11, 0x61, using | 
|  | 0x10, 0x61 and sd->hstart, vstart = 3, fixes ugly colored borders */ | 
|  | {0x17, 0x10}, {0x18, 0x61}, | 
|  | {0x37, 0x0f}, {0x38, 0x02}, {0x39, 0x43}, | 
|  | {0x3a, 0x00}, {0x69, 0x90}, {0x2d, 0x00}, | 
|  | {0x2e, 0x00}, {0x01, 0x78}, {0x02, 0x50}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u8 ov7670_init[] = { | 
|  | {0x11, 0x80}, {0x3a, 0x04}, {0x12, 0x01}, | 
|  | {0x32, 0xb6}, {0x03, 0x0a}, {0x0c, 0x00}, {0x3e, 0x00}, | 
|  | {0x70, 0x3a}, {0x71, 0x35}, {0x72, 0x11}, {0x73, 0xf0}, | 
|  | {0xa2, 0x02}, {0x13, 0xe0}, {0x00, 0x00}, {0x10, 0x00}, | 
|  | {0x0d, 0x40}, {0x14, 0x28}, {0xa5, 0x05}, {0xab, 0x07}, | 
|  | {0x24, 0x95}, {0x25, 0x33}, {0x26, 0xe3}, {0x9f, 0x75}, | 
|  | {0xa0, 0x65}, {0xa1, 0x0b}, {0xa6, 0xd8}, {0xa7, 0xd8}, | 
|  | {0xa8, 0xf0}, {0xa9, 0x90}, {0xaa, 0x94}, {0x13, 0xe5}, | 
|  | {0x0e, 0x61}, {0x0f, 0x4b}, {0x16, 0x02}, {0x1e, 0x27}, | 
|  | {0x21, 0x02}, {0x22, 0x91}, {0x29, 0x07}, {0x33, 0x0b}, | 
|  | {0x35, 0x0b}, {0x37, 0x1d}, {0x38, 0x71}, {0x39, 0x2a}, | 
|  | {0x3c, 0x78}, {0x4d, 0x40}, {0x4e, 0x20}, {0x69, 0x00}, | 
|  | {0x74, 0x19}, {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, 0x20}, | 
|  | {0x46, 0x7d}, {0x47, 0x29}, {0x48, 0x4a}, {0x59, 0x8c}, | 
|  | {0x5a, 0xa5}, {0x5b, 0xde}, {0x5c, 0x96}, {0x5d, 0x66}, | 
|  | {0x5e, 0x10}, {0x6c, 0x0a}, {0x6d, 0x55}, {0x6e, 0x11}, | 
|  | {0x6f, 0x9e}, {0x6a, 0x40}, {0x01, 0x40}, {0x02, 0x40}, | 
|  | {0x13, 0xe7}, {0x4f, 0x6e}, {0x50, 0x70}, {0x51, 0x02}, | 
|  | {0x52, 0x1d}, {0x53, 0x56}, {0x54, 0x73}, {0x55, 0x0a}, | 
|  | {0x56, 0x55}, {0x57, 0x80}, {0x58, 0x9e}, {0x41, 0x08}, | 
|  | {0x3f, 0x02}, {0x75, 0x03}, {0x76, 0x63}, {0x4c, 0x04}, | 
|  | {0x77, 0x06}, {0x3d, 0x02}, {0x4b, 0x09}, {0xc9, 0x30}, | 
|  | {0x41, 0x08}, {0x56, 0x48}, {0x34, 0x11}, {0xa4, 0x88}, | 
|  | {0x96, 0x00}, {0x97, 0x30}, {0x98, 0x20}, {0x99, 0x30}, | 
|  | {0x9a, 0x84}, {0x9b, 0x29}, {0x9c, 0x03}, {0x9d, 0x99}, | 
|  | {0x9e, 0x7f}, {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, 0x40}, {0x79, 0x05}, {0xc8, 0x30}, | 
|  | {0x79, 0x26}, {0x62, 0x20}, {0x63, 0x00}, {0x64, 0x06}, | 
|  | {0x65, 0x00}, {0x66, 0x05}, {0x94, 0x05}, {0x95, 0x0a}, | 
|  | {0x17, 0x13}, {0x18, 0x01}, {0x19, 0x02}, {0x1a, 0x7a}, | 
|  | {0x46, 0x59}, {0x47, 0x30}, {0x58, 0x9a}, {0x59, 0x84}, | 
|  | {0x5a, 0x91}, {0x5b, 0x57}, {0x5c, 0x75}, {0x5d, 0x6d}, | 
|  | {0x5e, 0x13}, {0x64, 0x07}, {0x94, 0x07}, {0x95, 0x0d}, | 
|  | {0xa6, 0xdf}, {0xa7, 0xdf}, {0x48, 0x4d}, {0x51, 0x00}, | 
|  | {0x6b, 0x0a}, {0x11, 0x80}, {0x2a, 0x00}, {0x2b, 0x00}, | 
|  | {0x92, 0x00}, {0x93, 0x00}, {0x55, 0x0a}, {0x56, 0x60}, | 
|  | {0x4f, 0x6e}, {0x50, 0x70}, {0x51, 0x00}, {0x52, 0x1d}, | 
|  | {0x53, 0x56}, {0x54, 0x73}, {0x58, 0x9a}, {0x4f, 0x6e}, | 
|  | {0x50, 0x70}, {0x51, 0x00}, {0x52, 0x1d}, {0x53, 0x56}, | 
|  | {0x54, 0x73}, {0x58, 0x9a}, {0x3f, 0x01}, {0x7b, 0x03}, | 
|  | {0x7c, 0x09}, {0x7d, 0x16}, {0x7e, 0x38}, {0x7f, 0x47}, | 
|  | {0x80, 0x53}, {0x81, 0x5e}, {0x82, 0x6a}, {0x83, 0x74}, | 
|  | {0x84, 0x80}, {0x85, 0x8c}, {0x86, 0x9b}, {0x87, 0xb2}, | 
|  | {0x88, 0xcc}, {0x89, 0xe5}, {0x7a, 0x24}, {0x3b, 0x00}, | 
|  | {0x9f, 0x76}, {0xa0, 0x65}, {0x13, 0xe2}, {0x6b, 0x0a}, | 
|  | {0x11, 0x80}, {0x2a, 0x00}, {0x2b, 0x00}, {0x92, 0x00}, | 
|  | {0x93, 0x00}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u8 ov9650_init[] = { | 
|  | {0x00, 0x00}, {0x01, 0x78}, | 
|  | {0x02, 0x78}, {0x03, 0x36}, {0x04, 0x03}, | 
|  | {0x05, 0x00}, {0x06, 0x00}, {0x08, 0x00}, | 
|  | {0x09, 0x01}, {0x0c, 0x00}, {0x0d, 0x00}, | 
|  | {0x0e, 0xa0}, {0x0f, 0x52}, {0x10, 0x7c}, | 
|  | {0x11, 0x80}, {0x12, 0x45}, {0x13, 0xc2}, | 
|  | {0x14, 0x2e}, {0x15, 0x00}, {0x16, 0x07}, | 
|  | {0x17, 0x24}, {0x18, 0xc5}, {0x19, 0x00}, | 
|  | {0x1a, 0x3c}, {0x1b, 0x00}, {0x1e, 0x04}, | 
|  | {0x1f, 0x00}, {0x24, 0x78}, {0x25, 0x68}, | 
|  | {0x26, 0xd4}, {0x27, 0x80}, {0x28, 0x80}, | 
|  | {0x29, 0x30}, {0x2a, 0x00}, {0x2b, 0x00}, | 
|  | {0x2c, 0x80}, {0x2d, 0x00}, {0x2e, 0x00}, | 
|  | {0x2f, 0x00}, {0x30, 0x08}, {0x31, 0x30}, | 
|  | {0x32, 0x84}, {0x33, 0xe2}, {0x34, 0xbf}, | 
|  | {0x35, 0x81}, {0x36, 0xf9}, {0x37, 0x00}, | 
|  | {0x38, 0x93}, {0x39, 0x50}, {0x3a, 0x01}, | 
|  | {0x3b, 0x01}, {0x3c, 0x73}, {0x3d, 0x19}, | 
|  | {0x3e, 0x0b}, {0x3f, 0x80}, {0x40, 0xc1}, | 
|  | {0x41, 0x00}, {0x42, 0x08}, {0x67, 0x80}, | 
|  | {0x68, 0x80}, {0x69, 0x40}, {0x6a, 0x00}, | 
|  | {0x6b, 0x0a}, {0x8b, 0x06}, {0x8c, 0x20}, | 
|  | {0x8d, 0x00}, {0x8e, 0x00}, {0x8f, 0xdf}, | 
|  | {0x92, 0x00}, {0x93, 0x00}, {0x94, 0x88}, | 
|  | {0x95, 0x88}, {0x96, 0x04}, {0xa1, 0x00}, | 
|  | {0xa5, 0x80}, {0xa8, 0x80}, {0xa9, 0xb8}, | 
|  | {0xaa, 0x92}, {0xab, 0x0a}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u8 ov9655_init[] = { | 
|  | {0x0e, 0x61}, {0x11, 0x80}, {0x13, 0xba}, | 
|  | {0x14, 0x2e}, {0x16, 0x24}, {0x1e, 0x04}, {0x27, 0x08}, | 
|  | {0x28, 0x08}, {0x29, 0x15}, {0x2c, 0x08}, {0x34, 0x3d}, | 
|  | {0x35, 0x00}, {0x38, 0x12}, {0x0f, 0x42}, {0x39, 0x57}, | 
|  | {0x3a, 0x00}, {0x3b, 0xcc}, {0x3c, 0x0c}, {0x3d, 0x19}, | 
|  | {0x3e, 0x0c}, {0x3f, 0x01}, {0x41, 0x40}, {0x42, 0x80}, | 
|  | {0x45, 0x46}, {0x46, 0x62}, {0x47, 0x2a}, {0x48, 0x3c}, | 
|  | {0x4a, 0xf0}, {0x4b, 0xdc}, {0x4c, 0xdc}, {0x4d, 0xdc}, | 
|  | {0x4e, 0xdc}, {0x6c, 0x04}, {0x6f, 0x9e}, {0x70, 0x05}, | 
|  | {0x71, 0x78}, {0x77, 0x02}, {0x8a, 0x23}, {0x90, 0x7e}, | 
|  | {0x91, 0x7c}, {0x9f, 0x6e}, {0xa0, 0x6e}, {0xa5, 0x68}, | 
|  | {0xa6, 0x60}, {0xa8, 0xc1}, {0xa9, 0xfa}, {0xaa, 0x92}, | 
|  | {0xab, 0x04}, {0xac, 0x80}, {0xad, 0x80}, {0xae, 0x80}, | 
|  | {0xaf, 0x80}, {0xb2, 0xf2}, {0xb3, 0x20}, {0xb5, 0x00}, | 
|  | {0xb6, 0xaf}, {0xbb, 0xae}, {0xbc, 0x44}, {0xbd, 0x44}, | 
|  | {0xbe, 0x3b}, {0xbf, 0x3a}, {0xc1, 0xc8}, {0xc2, 0x01}, | 
|  | {0xc4, 0x00}, {0xc6, 0x85}, {0xc7, 0x81}, {0xc9, 0xe0}, | 
|  | {0xca, 0xe8}, {0xcc, 0xd8}, {0xcd, 0x93}, {0x2d, 0x00}, | 
|  | {0x2e, 0x00}, {0x01, 0x80}, {0x02, 0x80}, {0x12, 0x61}, | 
|  | {0x36, 0xfa}, {0x8c, 0x8d}, {0xc0, 0xaa}, {0x69, 0x0a}, | 
|  | {0x03, 0x09}, {0x17, 0x16}, {0x18, 0x6e}, {0x19, 0x01}, | 
|  | {0x1a, 0x3e}, {0x32, 0x09}, {0x2a, 0x10}, {0x2b, 0x0a}, | 
|  | {0x92, 0x00}, {0x93, 0x00}, {0xa1, 0x00}, {0x10, 0x7c}, | 
|  | {0x04, 0x03}, {0x00, 0x13}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u16 mt9v112_init[] = { | 
|  | {0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0020}, | 
|  | {0x34, 0xc019}, {0x0a, 0x0011}, {0x0b, 0x000b}, | 
|  | {0x20, 0x0703}, {0x35, 0x2022}, {0xf0, 0x0001}, | 
|  | {0x05, 0x0000}, {0x06, 0x340c}, {0x3b, 0x042a}, | 
|  | {0x3c, 0x0400}, {0xf0, 0x0002}, {0x2e, 0x0c58}, | 
|  | {0x5b, 0x0001}, {0xc8, 0x9f0b}, {0xf0, 0x0001}, | 
|  | {0x9b, 0x5300}, {0xf0, 0x0000}, {0x2b, 0x0020}, | 
|  | {0x2c, 0x002a}, {0x2d, 0x0032}, {0x2e, 0x0020}, | 
|  | {0x09, 0x01dc}, {0x01, 0x000c}, {0x02, 0x0020}, | 
|  | {0x03, 0x01e0}, {0x04, 0x0280}, {0x06, 0x000c}, | 
|  | {0x05, 0x0098}, {0x20, 0x0703}, {0x09, 0x01f2}, | 
|  | {0x2b, 0x00a0}, {0x2c, 0x00a0}, {0x2d, 0x00a0}, | 
|  | {0x2e, 0x00a0}, {0x01, 0x000c}, {0x02, 0x0020}, | 
|  | {0x03, 0x01e0}, {0x04, 0x0280}, {0x06, 0x000c}, | 
|  | {0x05, 0x0098}, {0x09, 0x01c1}, {0x2b, 0x00ae}, | 
|  | {0x2c, 0x00ae}, {0x2d, 0x00ae}, {0x2e, 0x00ae}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u16 mt9v111_init[] = { | 
|  | {0x01, 0x0004}, {0x0d, 0x0001}, {0x0d, 0x0000}, | 
|  | {0x01, 0x0001}, {0x05, 0x0004}, {0x2d, 0xe0a0}, | 
|  | {0x2e, 0x0c64},	{0x2f, 0x0064}, {0x06, 0x600e}, | 
|  | {0x08, 0x0480}, {0x01, 0x0004}, {0x02, 0x0016}, | 
|  | {0x03, 0x01e7}, {0x04, 0x0287}, {0x05, 0x0004}, | 
|  | {0x06, 0x002d},	{0x07, 0x3002}, {0x08, 0x0008}, | 
|  | {0x0e, 0x0008}, {0x20, 0x0000} | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u16 mt9v011_init[] = { | 
|  | {0x07, 0x0002},	{0x0d, 0x0001},	{0x0d, 0x0000}, | 
|  | {0x01, 0x0008},	{0x02, 0x0016},	{0x03, 0x01e1}, | 
|  | {0x04, 0x0281},	{0x05, 0x0083},	{0x06, 0x0006}, | 
|  | {0x0d, 0x0002}, {0x0a, 0x0000},	{0x0b, 0x0000}, | 
|  | {0x0c, 0x0000},	{0x0d, 0x0000},	{0x0e, 0x0000}, | 
|  | {0x0f, 0x0000},	{0x10, 0x0000},	{0x11, 0x0000}, | 
|  | {0x12, 0x0000},	{0x13, 0x0000},	{0x14, 0x0000}, | 
|  | {0x15, 0x0000},	{0x16, 0x0000},	{0x17, 0x0000}, | 
|  | {0x18, 0x0000},	{0x19, 0x0000},	{0x1a, 0x0000}, | 
|  | {0x1b, 0x0000},	{0x1c, 0x0000},	{0x1d, 0x0000}, | 
|  | {0x32, 0x0000},	{0x20, 0x1101},	{0x21, 0x0000}, | 
|  | {0x22, 0x0000},	{0x23, 0x0000},	{0x24, 0x0000}, | 
|  | {0x25, 0x0000},	{0x26, 0x0000},	{0x27, 0x0024}, | 
|  | {0x2f, 0xf7b0},	{0x30, 0x0005},	{0x31, 0x0000}, | 
|  | {0x32, 0x0000},	{0x33, 0x0000},	{0x34, 0x0100}, | 
|  | {0x3d, 0x068f},	{0x40, 0x01e0},	{0x41, 0x00d1}, | 
|  | {0x44, 0x0082},	{0x5a, 0x0000},	{0x5b, 0x0000}, | 
|  | {0x5c, 0x0000},	{0x5d, 0x0000},	{0x5e, 0x0000}, | 
|  | {0x5f, 0xa31d},	{0x62, 0x0611},	{0x0a, 0x0000}, | 
|  | {0x06, 0x0029},	{0x05, 0x0009},	{0x20, 0x1101}, | 
|  | {0x20, 0x1101},	{0x09, 0x0064},	{0x07, 0x0003}, | 
|  | {0x2b, 0x0033},	{0x2c, 0x00a0},	{0x2d, 0x00a0}, | 
|  | {0x2e, 0x0033},	{0x07, 0x0002},	{0x06, 0x0000}, | 
|  | {0x06, 0x0029},	{0x05, 0x0009}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u16 mt9m001_init[] = { | 
|  | {0x0d, 0x0001}, | 
|  | {0x0d, 0x0000}, | 
|  | {0x04, 0x0500},		/* hres = 1280 */ | 
|  | {0x03, 0x0400},		/* vres = 1024 */ | 
|  | {0x20, 0x1100}, | 
|  | {0x06, 0x0010}, | 
|  | {0x2b, 0x0024}, | 
|  | {0x2e, 0x0024}, | 
|  | {0x35, 0x0024}, | 
|  | {0x2d, 0x0020}, | 
|  | {0x2c, 0x0020}, | 
|  | {0x09, 0x0ad4}, | 
|  | {0x35, 0x0057}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u16 mt9m111_init[] = { | 
|  | {0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008}, | 
|  | {0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300}, | 
|  | {0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e}, | 
|  | {0xf0, 0x0000}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u16 mt9m112_init[] = { | 
|  | {0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008}, | 
|  | {0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300}, | 
|  | {0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e}, | 
|  | {0xf0, 0x0000}, | 
|  | }; | 
|  |  | 
|  | static const struct i2c_reg_u8 hv7131r_init[] = { | 
|  | {0x02, 0x08}, {0x02, 0x00}, {0x01, 0x08}, | 
|  | {0x02, 0x00}, {0x20, 0x00}, {0x21, 0xd0}, | 
|  | {0x22, 0x00}, {0x23, 0x09}, {0x01, 0x08}, | 
|  | {0x01, 0x08}, {0x01, 0x08}, {0x25, 0x07}, | 
|  | {0x26, 0xc3}, {0x27, 0x50}, {0x30, 0x62}, | 
|  | {0x31, 0x10}, {0x32, 0x06}, {0x33, 0x10}, | 
|  | {0x20, 0x00}, {0x21, 0xd0}, {0x22, 0x00}, | 
|  | {0x23, 0x09}, {0x01, 0x08}, | 
|  | }; | 
|  |  | 
|  | static void reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length) | 
|  | { | 
|  | struct usb_device *dev = gspca_dev->dev; | 
|  | int result; | 
|  |  | 
|  | if (gspca_dev->usb_err < 0) | 
|  | return; | 
|  | result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | 
|  | 0x00, | 
|  | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | 
|  | reg, | 
|  | 0x00, | 
|  | gspca_dev->usb_buf, | 
|  | length, | 
|  | 500); | 
|  | if (unlikely(result < 0 || result != length)) { | 
|  | pr_err("Read register %02x failed %d\n", reg, result); | 
|  | gspca_dev->usb_err = result; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void reg_w(struct gspca_dev *gspca_dev, u16 reg, | 
|  | const u8 *buffer, int length) | 
|  | { | 
|  | struct usb_device *dev = gspca_dev->dev; | 
|  | int result; | 
|  |  | 
|  | if (gspca_dev->usb_err < 0) | 
|  | return; | 
|  | memcpy(gspca_dev->usb_buf, buffer, length); | 
|  | result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x08, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | 
|  | reg, | 
|  | 0x00, | 
|  | gspca_dev->usb_buf, | 
|  | length, | 
|  | 500); | 
|  | if (unlikely(result < 0 || result != length)) { | 
|  | pr_err("Write register %02x failed %d\n", reg, result); | 
|  | gspca_dev->usb_err = result; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void reg_w1(struct gspca_dev *gspca_dev, u16 reg, const u8 value) | 
|  | { | 
|  | reg_w(gspca_dev, reg, &value, 1); | 
|  | } | 
|  |  | 
|  | static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | reg_w(gspca_dev, 0x10c0, buffer, 8); | 
|  | for (i = 0; i < 5; i++) { | 
|  | reg_r(gspca_dev, 0x10c0, 1); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | return; | 
|  | if (gspca_dev->usb_buf[0] & 0x04) { | 
|  | if (gspca_dev->usb_buf[0] & 0x08) { | 
|  | pr_err("i2c_w error\n"); | 
|  | gspca_dev->usb_err = -EIO; | 
|  | } | 
|  | return; | 
|  | } | 
|  | msleep(10); | 
|  | } | 
|  | pr_err("i2c_w reg %02x no response\n", buffer[2]); | 
|  | /*	gspca_dev->usb_err = -EIO;	fixme: may occur */ | 
|  | } | 
|  |  | 
|  | static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 row[8]; | 
|  |  | 
|  | /* | 
|  | * from the point of view of the bridge, the length | 
|  | * includes the address | 
|  | */ | 
|  | row[0] = sd->i2c_intf | (2 << 4); | 
|  | row[1] = sd->i2c_addr; | 
|  | row[2] = reg; | 
|  | row[3] = val; | 
|  | row[4] = 0x00; | 
|  | row[5] = 0x00; | 
|  | row[6] = 0x00; | 
|  | row[7] = 0x10; | 
|  |  | 
|  | i2c_w(gspca_dev, row); | 
|  | } | 
|  |  | 
|  | static void i2c_w1_buf(struct gspca_dev *gspca_dev, | 
|  | const struct i2c_reg_u8 *buf, int sz) | 
|  | { | 
|  | while (--sz >= 0) { | 
|  | i2c_w1(gspca_dev, buf->reg, buf->val); | 
|  | buf++; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void i2c_w2(struct gspca_dev *gspca_dev, u8 reg, u16 val) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 row[8]; | 
|  |  | 
|  | /* | 
|  | * from the point of view of the bridge, the length | 
|  | * includes the address | 
|  | */ | 
|  | row[0] = sd->i2c_intf | (3 << 4); | 
|  | row[1] = sd->i2c_addr; | 
|  | row[2] = reg; | 
|  | row[3] = val >> 8; | 
|  | row[4] = val; | 
|  | row[5] = 0x00; | 
|  | row[6] = 0x00; | 
|  | row[7] = 0x10; | 
|  |  | 
|  | i2c_w(gspca_dev, row); | 
|  | } | 
|  |  | 
|  | static void i2c_w2_buf(struct gspca_dev *gspca_dev, | 
|  | const struct i2c_reg_u16 *buf, int sz) | 
|  | { | 
|  | while (--sz >= 0) { | 
|  | i2c_w2(gspca_dev, buf->reg, buf->val); | 
|  | buf++; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void i2c_r1(struct gspca_dev *gspca_dev, u8 reg, u8 *val) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 row[8]; | 
|  |  | 
|  | row[0] = sd->i2c_intf | (1 << 4); | 
|  | row[1] = sd->i2c_addr; | 
|  | row[2] = reg; | 
|  | row[3] = 0; | 
|  | row[4] = 0; | 
|  | row[5] = 0; | 
|  | row[6] = 0; | 
|  | row[7] = 0x10; | 
|  | i2c_w(gspca_dev, row); | 
|  | row[0] = sd->i2c_intf | (1 << 4) | 0x02; | 
|  | row[2] = 0; | 
|  | i2c_w(gspca_dev, row); | 
|  | reg_r(gspca_dev, 0x10c2, 5); | 
|  | *val = gspca_dev->usb_buf[4]; | 
|  | } | 
|  |  | 
|  | static void i2c_r2(struct gspca_dev *gspca_dev, u8 reg, u16 *val) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 row[8]; | 
|  |  | 
|  | row[0] = sd->i2c_intf | (1 << 4); | 
|  | row[1] = sd->i2c_addr; | 
|  | row[2] = reg; | 
|  | row[3] = 0; | 
|  | row[4] = 0; | 
|  | row[5] = 0; | 
|  | row[6] = 0; | 
|  | row[7] = 0x10; | 
|  | i2c_w(gspca_dev, row); | 
|  | row[0] = sd->i2c_intf | (2 << 4) | 0x02; | 
|  | row[2] = 0; | 
|  | i2c_w(gspca_dev, row); | 
|  | reg_r(gspca_dev, 0x10c2, 5); | 
|  | *val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4]; | 
|  | } | 
|  |  | 
|  | static void ov9650_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | u16 id; | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_r2(gspca_dev, 0x1c, &id); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | return; | 
|  |  | 
|  | if (id != 0x7fa2) { | 
|  | pr_err("sensor id for ov9650 doesn't match (0x%04x)\n", id); | 
|  | gspca_dev->usb_err = -ENODEV; | 
|  | return; | 
|  | } | 
|  |  | 
|  | i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */ | 
|  | msleep(200); | 
|  | i2c_w1_buf(gspca_dev, ov9650_init, ARRAY_SIZE(ov9650_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("OV9650 sensor initialization failed\n"); | 
|  | sd->hstart = 1; | 
|  | sd->vstart = 7; | 
|  | } | 
|  |  | 
|  | static void ov9655_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */ | 
|  | msleep(200); | 
|  | i2c_w1_buf(gspca_dev, ov9655_init, ARRAY_SIZE(ov9655_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("OV9655 sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 1; | 
|  | sd->vstart = 2; | 
|  | } | 
|  |  | 
|  | static void soi968_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */ | 
|  | msleep(200); | 
|  | i2c_w1_buf(gspca_dev, soi968_init, ARRAY_SIZE(soi968_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("SOI968 sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 60; | 
|  | sd->vstart = 11; | 
|  | } | 
|  |  | 
|  | static void ov7660_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */ | 
|  | msleep(200); | 
|  | i2c_w1_buf(gspca_dev, ov7660_init, ARRAY_SIZE(ov7660_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("OV7660 sensor initialization failed\n"); | 
|  | sd->hstart = 3; | 
|  | sd->vstart = 3; | 
|  | } | 
|  |  | 
|  | static void ov7670_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */ | 
|  | msleep(200); | 
|  | i2c_w1_buf(gspca_dev, ov7670_init, ARRAY_SIZE(ov7670_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("OV7670 sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 0; | 
|  | sd->vstart = 1; | 
|  | } | 
|  |  | 
|  | static void mt9v_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u16 value; | 
|  |  | 
|  | sd->i2c_addr = 0x5d; | 
|  | i2c_r2(gspca_dev, 0xff, &value); | 
|  | if (gspca_dev->usb_err >= 0 | 
|  | && value == 0x8243) { | 
|  | i2c_w2_buf(gspca_dev, mt9v011_init, ARRAY_SIZE(mt9v011_init)); | 
|  | if (gspca_dev->usb_err < 0) { | 
|  | pr_err("MT9V011 sensor initialization failed\n"); | 
|  | return; | 
|  | } | 
|  | sd->hstart = 2; | 
|  | sd->vstart = 2; | 
|  | sd->sensor = SENSOR_MT9V011; | 
|  | pr_info("MT9V011 sensor detected\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | gspca_dev->usb_err = 0; | 
|  | sd->i2c_addr = 0x5c; | 
|  | i2c_w2(gspca_dev, 0x01, 0x0004); | 
|  | i2c_r2(gspca_dev, 0xff, &value); | 
|  | if (gspca_dev->usb_err >= 0 | 
|  | && value == 0x823a) { | 
|  | i2c_w2_buf(gspca_dev, mt9v111_init, ARRAY_SIZE(mt9v111_init)); | 
|  | if (gspca_dev->usb_err < 0) { | 
|  | pr_err("MT9V111 sensor initialization failed\n"); | 
|  | return; | 
|  | } | 
|  | sd->hstart = 2; | 
|  | sd->vstart = 2; | 
|  | sd->sensor = SENSOR_MT9V111; | 
|  | pr_info("MT9V111 sensor detected\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | gspca_dev->usb_err = 0; | 
|  | sd->i2c_addr = 0x5d; | 
|  | i2c_w2(gspca_dev, 0xf0, 0x0000); | 
|  | if (gspca_dev->usb_err < 0) { | 
|  | gspca_dev->usb_err = 0; | 
|  | sd->i2c_addr = 0x48; | 
|  | i2c_w2(gspca_dev, 0xf0, 0x0000); | 
|  | } | 
|  | i2c_r2(gspca_dev, 0x00, &value); | 
|  | if (gspca_dev->usb_err >= 0 | 
|  | && value == 0x1229) { | 
|  | i2c_w2_buf(gspca_dev, mt9v112_init, ARRAY_SIZE(mt9v112_init)); | 
|  | if (gspca_dev->usb_err < 0) { | 
|  | pr_err("MT9V112 sensor initialization failed\n"); | 
|  | return; | 
|  | } | 
|  | sd->hstart = 6; | 
|  | sd->vstart = 2; | 
|  | sd->sensor = SENSOR_MT9V112; | 
|  | pr_info("MT9V112 sensor detected\n"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | gspca_dev->usb_err = -ENODEV; | 
|  | } | 
|  |  | 
|  | static void mt9m112_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w2_buf(gspca_dev, mt9m112_init, ARRAY_SIZE(mt9m112_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("MT9M112 sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 0; | 
|  | sd->vstart = 2; | 
|  | } | 
|  |  | 
|  | static void mt9m111_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w2_buf(gspca_dev, mt9m111_init, ARRAY_SIZE(mt9m111_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("MT9M111 sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 0; | 
|  | sd->vstart = 2; | 
|  | } | 
|  |  | 
|  | static void mt9m001_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u16 id; | 
|  |  | 
|  | i2c_r2(gspca_dev, 0x00, &id); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | return; | 
|  |  | 
|  | /* must be 0x8411 or 0x8421 for colour sensor and 8431 for bw */ | 
|  | switch (id) { | 
|  | case 0x8411: | 
|  | case 0x8421: | 
|  | pr_info("MT9M001 color sensor detected\n"); | 
|  | break; | 
|  | case 0x8431: | 
|  | pr_info("MT9M001 mono sensor detected\n"); | 
|  | break; | 
|  | default: | 
|  | pr_err("No MT9M001 chip detected, ID = %x\n\n", id); | 
|  | gspca_dev->usb_err = -ENODEV; | 
|  | return; | 
|  | } | 
|  |  | 
|  | i2c_w2_buf(gspca_dev, mt9m001_init, ARRAY_SIZE(mt9m001_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("MT9M001 sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 1; | 
|  | sd->vstart = 1; | 
|  | } | 
|  |  | 
|  | static void hv7131r_init_sensor(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | i2c_w1_buf(gspca_dev, hv7131r_init, ARRAY_SIZE(hv7131r_init)); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | pr_err("HV7131R Sensor initialization failed\n"); | 
|  |  | 
|  | sd->hstart = 0; | 
|  | sd->vstart = 1; | 
|  | } | 
|  |  | 
|  | static void set_cmatrix(struct gspca_dev *gspca_dev, | 
|  | s32 brightness, s32 contrast, s32 satur, s32 hue) | 
|  | { | 
|  | s32 hue_coord, hue_index = 180 + hue; | 
|  | u8 cmatrix[21]; | 
|  |  | 
|  | memset(cmatrix, 0, sizeof cmatrix); | 
|  | cmatrix[2] = (contrast * 0x25 / 0x100) + 0x26; | 
|  | cmatrix[0] = 0x13 + (cmatrix[2] - 0x26) * 0x13 / 0x25; | 
|  | cmatrix[4] = 0x07 + (cmatrix[2] - 0x26) * 0x07 / 0x25; | 
|  | cmatrix[18] = brightness - 0x80; | 
|  |  | 
|  | hue_coord = (hsv_red_x[hue_index] * satur) >> 8; | 
|  | cmatrix[6] = hue_coord; | 
|  | cmatrix[7] = (hue_coord >> 8) & 0x0f; | 
|  |  | 
|  | hue_coord = (hsv_red_y[hue_index] * satur) >> 8; | 
|  | cmatrix[8] = hue_coord; | 
|  | cmatrix[9] = (hue_coord >> 8) & 0x0f; | 
|  |  | 
|  | hue_coord = (hsv_green_x[hue_index] * satur) >> 8; | 
|  | cmatrix[10] = hue_coord; | 
|  | cmatrix[11] = (hue_coord >> 8) & 0x0f; | 
|  |  | 
|  | hue_coord = (hsv_green_y[hue_index] * satur) >> 8; | 
|  | cmatrix[12] = hue_coord; | 
|  | cmatrix[13] = (hue_coord >> 8) & 0x0f; | 
|  |  | 
|  | hue_coord = (hsv_blue_x[hue_index] * satur) >> 8; | 
|  | cmatrix[14] = hue_coord; | 
|  | cmatrix[15] = (hue_coord >> 8) & 0x0f; | 
|  |  | 
|  | hue_coord = (hsv_blue_y[hue_index] * satur) >> 8; | 
|  | cmatrix[16] = hue_coord; | 
|  | cmatrix[17] = (hue_coord >> 8) & 0x0f; | 
|  |  | 
|  | reg_w(gspca_dev, 0x10e1, cmatrix, 21); | 
|  | } | 
|  |  | 
|  | static void set_gamma(struct gspca_dev *gspca_dev, s32 val) | 
|  | { | 
|  | u8 gamma[17]; | 
|  | u8 gval = val * 0xb8 / 0x100; | 
|  |  | 
|  | gamma[0] = 0x0a; | 
|  | gamma[1] = 0x13 + (gval * (0xcb - 0x13) / 0xb8); | 
|  | gamma[2] = 0x25 + (gval * (0xee - 0x25) / 0xb8); | 
|  | gamma[3] = 0x37 + (gval * (0xfa - 0x37) / 0xb8); | 
|  | gamma[4] = 0x45 + (gval * (0xfc - 0x45) / 0xb8); | 
|  | gamma[5] = 0x55 + (gval * (0xfb - 0x55) / 0xb8); | 
|  | gamma[6] = 0x65 + (gval * (0xfc - 0x65) / 0xb8); | 
|  | gamma[7] = 0x74 + (gval * (0xfd - 0x74) / 0xb8); | 
|  | gamma[8] = 0x83 + (gval * (0xfe - 0x83) / 0xb8); | 
|  | gamma[9] = 0x92 + (gval * (0xfc - 0x92) / 0xb8); | 
|  | gamma[10] = 0xa1 + (gval * (0xfc - 0xa1) / 0xb8); | 
|  | gamma[11] = 0xb0 + (gval * (0xfc - 0xb0) / 0xb8); | 
|  | gamma[12] = 0xbf + (gval * (0xfb - 0xbf) / 0xb8); | 
|  | gamma[13] = 0xce + (gval * (0xfb - 0xce) / 0xb8); | 
|  | gamma[14] = 0xdf + (gval * (0xfd - 0xdf) / 0xb8); | 
|  | gamma[15] = 0xea + (gval * (0xf9 - 0xea) / 0xb8); | 
|  | gamma[16] = 0xf5; | 
|  |  | 
|  | reg_w(gspca_dev, 0x1190, gamma, 17); | 
|  | } | 
|  |  | 
|  | static void set_redblue(struct gspca_dev *gspca_dev, s32 blue, s32 red) | 
|  | { | 
|  | reg_w1(gspca_dev, 0x118c, red); | 
|  | reg_w1(gspca_dev, 0x118f, blue); | 
|  | } | 
|  |  | 
|  | static void set_hvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip) | 
|  | { | 
|  | u8 value, tslb; | 
|  | u16 value2; | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | if ((sd->flags & FLIP_DETECT) && dmi_check_system(flip_dmi_table)) { | 
|  | hflip = !hflip; | 
|  | vflip = !vflip; | 
|  | } | 
|  |  | 
|  | switch (sd->sensor) { | 
|  | case SENSOR_OV7660: | 
|  | value = 0x01; | 
|  | if (hflip) | 
|  | value |= 0x20; | 
|  | if (vflip) { | 
|  | value |= 0x10; | 
|  | sd->vstart = 2; | 
|  | } else { | 
|  | sd->vstart = 3; | 
|  | } | 
|  | reg_w1(gspca_dev, 0x1182, sd->vstart); | 
|  | i2c_w1(gspca_dev, 0x1e, value); | 
|  | break; | 
|  | case SENSOR_OV9650: | 
|  | i2c_r1(gspca_dev, 0x1e, &value); | 
|  | value &= ~0x30; | 
|  | tslb = 0x01; | 
|  | if (hflip) | 
|  | value |= 0x20; | 
|  | if (vflip) { | 
|  | value |= 0x10; | 
|  | tslb = 0x49; | 
|  | } | 
|  | i2c_w1(gspca_dev, 0x1e, value); | 
|  | i2c_w1(gspca_dev, 0x3a, tslb); | 
|  | break; | 
|  | case SENSOR_MT9V111: | 
|  | case SENSOR_MT9V011: | 
|  | i2c_r2(gspca_dev, 0x20, &value2); | 
|  | value2 &= ~0xc0a0; | 
|  | if (hflip) | 
|  | value2 |= 0x8080; | 
|  | if (vflip) | 
|  | value2 |= 0x4020; | 
|  | i2c_w2(gspca_dev, 0x20, value2); | 
|  | break; | 
|  | case SENSOR_MT9M112: | 
|  | case SENSOR_MT9M111: | 
|  | case SENSOR_MT9V112: | 
|  | i2c_r2(gspca_dev, 0x20, &value2); | 
|  | value2 &= ~0x0003; | 
|  | if (hflip) | 
|  | value2 |= 0x0002; | 
|  | if (vflip) | 
|  | value2 |= 0x0001; | 
|  | i2c_w2(gspca_dev, 0x20, value2); | 
|  | break; | 
|  | case SENSOR_HV7131R: | 
|  | i2c_r1(gspca_dev, 0x01, &value); | 
|  | value &= ~0x03; | 
|  | if (vflip) | 
|  | value |= 0x01; | 
|  | if (hflip) | 
|  | value |= 0x02; | 
|  | i2c_w1(gspca_dev, 0x01, value); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void set_exposure(struct gspca_dev *gspca_dev, s32 expo) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 exp[8] = {sd->i2c_intf, sd->i2c_addr, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; | 
|  | int expo2; | 
|  |  | 
|  | if (gspca_dev->streaming) | 
|  | exp[7] = 0x1e; | 
|  |  | 
|  | switch (sd->sensor) { | 
|  | case SENSOR_OV7660: | 
|  | case SENSOR_OV7670: | 
|  | case SENSOR_OV9655: | 
|  | case SENSOR_OV9650: | 
|  | if (expo > 547) | 
|  | expo2 = 547; | 
|  | else | 
|  | expo2 = expo; | 
|  | exp[0] |= (2 << 4); | 
|  | exp[2] = 0x10;			/* AECH */ | 
|  | exp[3] = expo2 >> 2; | 
|  | exp[7] = 0x10; | 
|  | i2c_w(gspca_dev, exp); | 
|  | exp[2] = 0x04;			/* COM1 */ | 
|  | exp[3] = expo2 & 0x0003; | 
|  | exp[7] = 0x10; | 
|  | i2c_w(gspca_dev, exp); | 
|  | expo -= expo2; | 
|  | exp[7] = 0x1e; | 
|  | exp[0] |= (3 << 4); | 
|  | exp[2] = 0x2d;			/* ADVFL & ADVFH */ | 
|  | exp[3] = expo; | 
|  | exp[4] = expo >> 8; | 
|  | break; | 
|  | case SENSOR_MT9M001: | 
|  | case SENSOR_MT9V112: | 
|  | case SENSOR_MT9V011: | 
|  | exp[0] |= (3 << 4); | 
|  | exp[2] = 0x09; | 
|  | exp[3] = expo >> 8; | 
|  | exp[4] = expo; | 
|  | break; | 
|  | case SENSOR_HV7131R: | 
|  | exp[0] |= (4 << 4); | 
|  | exp[2] = 0x25; | 
|  | exp[3] = expo >> 5; | 
|  | exp[4] = expo << 3; | 
|  | exp[5] = 0; | 
|  | break; | 
|  | default: | 
|  | return; | 
|  | } | 
|  | i2c_w(gspca_dev, exp); | 
|  | } | 
|  |  | 
|  | static void set_gain(struct gspca_dev *gspca_dev, s32 g) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 gain[8] = {sd->i2c_intf, sd->i2c_addr, | 
|  | 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; | 
|  |  | 
|  | if (gspca_dev->streaming) | 
|  | gain[7] = 0x15;		/* or 1d ? */ | 
|  |  | 
|  | switch (sd->sensor) { | 
|  | case SENSOR_OV7660: | 
|  | case SENSOR_OV7670: | 
|  | case SENSOR_SOI968: | 
|  | case SENSOR_OV9655: | 
|  | case SENSOR_OV9650: | 
|  | gain[0] |= (2 << 4); | 
|  | gain[3] = ov_gain[g]; | 
|  | break; | 
|  | case SENSOR_MT9V011: | 
|  | gain[0] |= (3 << 4); | 
|  | gain[2] = 0x35; | 
|  | gain[3] = micron1_gain[g] >> 8; | 
|  | gain[4] = micron1_gain[g]; | 
|  | break; | 
|  | case SENSOR_MT9V112: | 
|  | gain[0] |= (3 << 4); | 
|  | gain[2] = 0x2f; | 
|  | gain[3] = micron1_gain[g] >> 8; | 
|  | gain[4] = micron1_gain[g]; | 
|  | break; | 
|  | case SENSOR_MT9M001: | 
|  | gain[0] |= (3 << 4); | 
|  | gain[2] = 0x2f; | 
|  | gain[3] = micron2_gain[g] >> 8; | 
|  | gain[4] = micron2_gain[g]; | 
|  | break; | 
|  | case SENSOR_HV7131R: | 
|  | gain[0] |= (2 << 4); | 
|  | gain[2] = 0x30; | 
|  | gain[3] = hv7131r_gain[g]; | 
|  | break; | 
|  | default: | 
|  | return; | 
|  | } | 
|  | i2c_w(gspca_dev, gain); | 
|  | } | 
|  |  | 
|  | static void set_quality(struct gspca_dev *gspca_dev, s32 val) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | jpeg_set_qual(sd->jpeg_hdr, val); | 
|  | reg_w1(gspca_dev, 0x1061, 0x01);	/* stop transfer */ | 
|  | reg_w1(gspca_dev, 0x10e0, sd->fmt | 0x20); /* write QTAB */ | 
|  | reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64); | 
|  | reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64); | 
|  | reg_w1(gspca_dev, 0x1061, 0x03);	/* restart transfer */ | 
|  | reg_w1(gspca_dev, 0x10e0, sd->fmt); | 
|  | sd->fmt ^= 0x0c;			/* invert QTAB use + write */ | 
|  | reg_w1(gspca_dev, 0x10e0, sd->fmt); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_VIDEO_ADV_DEBUG | 
|  | static int sd_dbg_g_register(struct gspca_dev *gspca_dev, | 
|  | struct v4l2_dbg_register *reg) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | reg->size = 1; | 
|  | switch (reg->match.addr) { | 
|  | case 0: | 
|  | if (reg->reg < 0x1000 || reg->reg > 0x11ff) | 
|  | return -EINVAL; | 
|  | reg_r(gspca_dev, reg->reg, 1); | 
|  | reg->val = gspca_dev->usb_buf[0]; | 
|  | return gspca_dev->usb_err; | 
|  | case 1: | 
|  | if (sd->sensor >= SENSOR_MT9V011 && | 
|  | sd->sensor <= SENSOR_MT9M112) { | 
|  | i2c_r2(gspca_dev, reg->reg, (u16 *) ®->val); | 
|  | reg->size = 2; | 
|  | } else { | 
|  | i2c_r1(gspca_dev, reg->reg, (u8 *) ®->val); | 
|  | } | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static int sd_dbg_s_register(struct gspca_dev *gspca_dev, | 
|  | const struct v4l2_dbg_register *reg) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | switch (reg->match.addr) { | 
|  | case 0: | 
|  | if (reg->reg < 0x1000 || reg->reg > 0x11ff) | 
|  | return -EINVAL; | 
|  | reg_w1(gspca_dev, reg->reg, reg->val); | 
|  | return gspca_dev->usb_err; | 
|  | case 1: | 
|  | if (sd->sensor >= SENSOR_MT9V011 && | 
|  | sd->sensor <= SENSOR_MT9M112) { | 
|  | i2c_w2(gspca_dev, reg->reg, reg->val); | 
|  | } else { | 
|  | i2c_w1(gspca_dev, reg->reg, reg->val); | 
|  | } | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static int sd_chip_info(struct gspca_dev *gspca_dev, | 
|  | struct v4l2_dbg_chip_info *chip) | 
|  | { | 
|  | if (chip->match.addr > 1) | 
|  | return -EINVAL; | 
|  | if (chip->match.addr == 1) | 
|  | strlcpy(chip->name, "sensor", sizeof(chip->name)); | 
|  | return 0; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | 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->needs_full_bandwidth = 1; | 
|  |  | 
|  | sd->sensor = id->driver_info >> 8; | 
|  | sd->i2c_addr = id->driver_info; | 
|  | sd->flags = id->driver_info >> 16; | 
|  | sd->i2c_intf = 0x80;			/* i2c 100 Kb/s */ | 
|  |  | 
|  | switch (sd->sensor) { | 
|  | case SENSOR_MT9M112: | 
|  | case SENSOR_MT9M111: | 
|  | case SENSOR_OV9650: | 
|  | case SENSOR_SOI968: | 
|  | cam->cam_mode = sxga_mode; | 
|  | cam->nmodes = ARRAY_SIZE(sxga_mode); | 
|  | break; | 
|  | case SENSOR_MT9M001: | 
|  | cam->cam_mode = mono_mode; | 
|  | cam->nmodes = ARRAY_SIZE(mono_mode); | 
|  | break; | 
|  | case SENSOR_HV7131R: | 
|  | sd->i2c_intf = 0x81;			/* i2c 400 Kb/s */ | 
|  | /* fall thru */ | 
|  | default: | 
|  | cam->cam_mode = vga_mode; | 
|  | cam->nmodes = ARRAY_SIZE(vga_mode); | 
|  | break; | 
|  | } | 
|  |  | 
|  | sd->old_step = 0; | 
|  | sd->older_step = 0; | 
|  | sd->exposure_step = 16; | 
|  |  | 
|  | INIT_WORK(&sd->work, qual_upd); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int sd_s_ctrl(struct v4l2_ctrl *ctrl) | 
|  | { | 
|  | struct gspca_dev *gspca_dev = | 
|  | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); | 
|  | struct sd *sd = (struct sd *)gspca_dev; | 
|  |  | 
|  | gspca_dev->usb_err = 0; | 
|  |  | 
|  | if (!gspca_dev->streaming) | 
|  | return 0; | 
|  |  | 
|  | switch (ctrl->id) { | 
|  | /* color control cluster */ | 
|  | case V4L2_CID_BRIGHTNESS: | 
|  | set_cmatrix(gspca_dev, sd->brightness->val, | 
|  | sd->contrast->val, sd->saturation->val, sd->hue->val); | 
|  | break; | 
|  | case V4L2_CID_GAMMA: | 
|  | set_gamma(gspca_dev, ctrl->val); | 
|  | break; | 
|  | /* blue/red balance cluster */ | 
|  | case V4L2_CID_BLUE_BALANCE: | 
|  | set_redblue(gspca_dev, sd->blue->val, sd->red->val); | 
|  | break; | 
|  | /* h/vflip cluster */ | 
|  | case V4L2_CID_HFLIP: | 
|  | set_hvflip(gspca_dev, sd->hflip->val, sd->vflip->val); | 
|  | break; | 
|  | /* standalone exposure control */ | 
|  | case V4L2_CID_EXPOSURE: | 
|  | set_exposure(gspca_dev, ctrl->val); | 
|  | break; | 
|  | /* standalone gain control */ | 
|  | case V4L2_CID_GAIN: | 
|  | set_gain(gspca_dev, ctrl->val); | 
|  | break; | 
|  | /* autogain + exposure or gain control cluster */ | 
|  | case V4L2_CID_AUTOGAIN: | 
|  | if (sd->sensor == SENSOR_SOI968) | 
|  | set_gain(gspca_dev, sd->gain->val); | 
|  | else | 
|  | set_exposure(gspca_dev, sd->exposure->val); | 
|  | break; | 
|  | case V4L2_CID_JPEG_COMPRESSION_QUALITY: | 
|  | set_quality(gspca_dev, ctrl->val); | 
|  | break; | 
|  | } | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  |  | 
|  | static const struct v4l2_ctrl_ops sd_ctrl_ops = { | 
|  | .s_ctrl = sd_s_ctrl, | 
|  | }; | 
|  |  | 
|  | static int sd_init_controls(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; | 
|  |  | 
|  | gspca_dev->vdev.ctrl_handler = hdl; | 
|  | v4l2_ctrl_handler_init(hdl, 13); | 
|  |  | 
|  | sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_BRIGHTNESS, 0, 255, 1, 127); | 
|  | sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_CONTRAST, 0, 255, 1, 127); | 
|  | sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_SATURATION, 0, 255, 1, 127); | 
|  | sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_HUE, -180, 180, 1, 0); | 
|  |  | 
|  | sd->gamma = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_GAMMA, 0, 255, 1, 0x10); | 
|  |  | 
|  | sd->blue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_BLUE_BALANCE, 0, 127, 1, 0x28); | 
|  | sd->red = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_RED_BALANCE, 0, 127, 1, 0x28); | 
|  |  | 
|  | if (sd->sensor != SENSOR_OV9655 && sd->sensor != SENSOR_SOI968 && | 
|  | sd->sensor != SENSOR_OV7670 && sd->sensor != SENSOR_MT9M001 && | 
|  | sd->sensor != SENSOR_MT9VPRB) { | 
|  | sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_HFLIP, 0, 1, 1, 0); | 
|  | sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_VFLIP, 0, 1, 1, 0); | 
|  | } | 
|  |  | 
|  | if (sd->sensor != SENSOR_SOI968 && sd->sensor != SENSOR_MT9VPRB && | 
|  | sd->sensor != SENSOR_MT9M112 && sd->sensor != SENSOR_MT9M111 && | 
|  | sd->sensor != SENSOR_MT9V111) | 
|  | sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_EXPOSURE, 0, 0x1780, 1, 0x33); | 
|  |  | 
|  | if (sd->sensor != SENSOR_MT9VPRB && sd->sensor != SENSOR_MT9M112 && | 
|  | sd->sensor != SENSOR_MT9M111 && sd->sensor != SENSOR_MT9V111) { | 
|  | sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_GAIN, 0, 28, 1, 0); | 
|  | sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_AUTOGAIN, 0, 1, 1, 1); | 
|  | } | 
|  |  | 
|  | sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, | 
|  | V4L2_CID_JPEG_COMPRESSION_QUALITY, 50, 90, 1, 80); | 
|  | if (hdl->error) { | 
|  | pr_err("Could not initialize controls\n"); | 
|  | return hdl->error; | 
|  | } | 
|  |  | 
|  | v4l2_ctrl_cluster(4, &sd->brightness); | 
|  | v4l2_ctrl_cluster(2, &sd->blue); | 
|  | if (sd->hflip) | 
|  | v4l2_ctrl_cluster(2, &sd->hflip); | 
|  | if (sd->autogain) { | 
|  | if (sd->sensor == SENSOR_SOI968) | 
|  | /* this sensor doesn't have the exposure control and | 
|  | autogain is clustered with gain instead. This works | 
|  | because sd->exposure == NULL. */ | 
|  | v4l2_ctrl_auto_cluster(3, &sd->autogain, 0, false); | 
|  | else | 
|  | /* Otherwise autogain is clustered with exposure. */ | 
|  | v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int sd_init(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | int i; | 
|  | u8 value; | 
|  | u8 i2c_init[9] = | 
|  | {0x80, sd->i2c_addr, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(bridge_init); i++) { | 
|  | value = bridge_init[i][1]; | 
|  | reg_w(gspca_dev, bridge_init[i][0], &value, 1); | 
|  | if (gspca_dev->usb_err < 0) { | 
|  | pr_err("Device initialization failed\n"); | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (sd->flags & LED_REVERSE) | 
|  | reg_w1(gspca_dev, 0x1006, 0x00); | 
|  | else | 
|  | reg_w1(gspca_dev, 0x1006, 0x20); | 
|  |  | 
|  | reg_w(gspca_dev, 0x10c0, i2c_init, 9); | 
|  | if (gspca_dev->usb_err < 0) { | 
|  | pr_err("Device initialization failed\n"); | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  |  | 
|  | switch (sd->sensor) { | 
|  | case SENSOR_OV9650: | 
|  | ov9650_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("OV9650 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_OV9655: | 
|  | ov9655_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("OV9655 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_SOI968: | 
|  | soi968_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("SOI968 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_OV7660: | 
|  | ov7660_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("OV7660 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_OV7670: | 
|  | ov7670_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("OV7670 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_MT9VPRB: | 
|  | mt9v_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("MT9VPRB sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_MT9M111: | 
|  | mt9m111_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("MT9M111 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_MT9M112: | 
|  | mt9m112_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("MT9M112 sensor detected\n"); | 
|  | break; | 
|  | case SENSOR_MT9M001: | 
|  | mt9m001_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | break; | 
|  | case SENSOR_HV7131R: | 
|  | hv7131r_init_sensor(gspca_dev); | 
|  | if (gspca_dev->usb_err < 0) | 
|  | break; | 
|  | pr_info("HV7131R sensor detected\n"); | 
|  | break; | 
|  | default: | 
|  | pr_err("Unsupported sensor\n"); | 
|  | gspca_dev->usb_err = -ENODEV; | 
|  | } | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  |  | 
|  | static void configure_sensor_output(struct gspca_dev *gspca_dev, int mode) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | u8 value; | 
|  |  | 
|  | switch (sd->sensor) { | 
|  | case SENSOR_SOI968: | 
|  | if (mode & MODE_SXGA) { | 
|  | i2c_w1(gspca_dev, 0x17, 0x1d); | 
|  | i2c_w1(gspca_dev, 0x18, 0xbd); | 
|  | i2c_w1(gspca_dev, 0x19, 0x01); | 
|  | i2c_w1(gspca_dev, 0x1a, 0x81); | 
|  | i2c_w1(gspca_dev, 0x12, 0x00); | 
|  | sd->hstart = 140; | 
|  | sd->vstart = 19; | 
|  | } else { | 
|  | i2c_w1(gspca_dev, 0x17, 0x13); | 
|  | i2c_w1(gspca_dev, 0x18, 0x63); | 
|  | i2c_w1(gspca_dev, 0x19, 0x01); | 
|  | i2c_w1(gspca_dev, 0x1a, 0x79); | 
|  | i2c_w1(gspca_dev, 0x12, 0x40); | 
|  | sd->hstart = 60; | 
|  | sd->vstart = 11; | 
|  | } | 
|  | break; | 
|  | case SENSOR_OV9650: | 
|  | if (mode & MODE_SXGA) { | 
|  | i2c_w1(gspca_dev, 0x17, 0x1b); | 
|  | i2c_w1(gspca_dev, 0x18, 0xbc); | 
|  | i2c_w1(gspca_dev, 0x19, 0x01); | 
|  | i2c_w1(gspca_dev, 0x1a, 0x82); | 
|  | i2c_r1(gspca_dev, 0x12, &value); | 
|  | i2c_w1(gspca_dev, 0x12, value & 0x07); | 
|  | } else { | 
|  | i2c_w1(gspca_dev, 0x17, 0x24); | 
|  | i2c_w1(gspca_dev, 0x18, 0xc5); | 
|  | i2c_w1(gspca_dev, 0x19, 0x00); | 
|  | i2c_w1(gspca_dev, 0x1a, 0x3c); | 
|  | i2c_r1(gspca_dev, 0x12, &value); | 
|  | i2c_w1(gspca_dev, 0x12, (value & 0x7) | 0x40); | 
|  | } | 
|  | break; | 
|  | case SENSOR_MT9M112: | 
|  | case SENSOR_MT9M111: | 
|  | if (mode & MODE_SXGA) { | 
|  | i2c_w2(gspca_dev, 0xf0, 0x0002); | 
|  | i2c_w2(gspca_dev, 0xc8, 0x970b); | 
|  | i2c_w2(gspca_dev, 0xf0, 0x0000); | 
|  | } else { | 
|  | i2c_w2(gspca_dev, 0xf0, 0x0002); | 
|  | i2c_w2(gspca_dev, 0xc8, 0x8000); | 
|  | i2c_w2(gspca_dev, 0xf0, 0x0000); | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int sd_isoc_init(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct usb_interface *intf; | 
|  | u32 flags = gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv; | 
|  |  | 
|  | /* | 
|  | * When using the SN9C20X_I420 fmt the sn9c20x needs more bandwidth | 
|  | * than our regular bandwidth calculations reserve, so we force the | 
|  | * use of a specific altsetting when using the SN9C20X_I420 fmt. | 
|  | */ | 
|  | if (!(flags & (MODE_RAW | MODE_JPEG))) { | 
|  | intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface); | 
|  |  | 
|  | if (intf->num_altsetting != 9) { | 
|  | pr_warn("sn9c20x camera with unknown number of alt " | 
|  | "settings (%d), please report!\n", | 
|  | intf->num_altsetting); | 
|  | gspca_dev->alt = intf->num_altsetting; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | switch (gspca_dev->width) { | 
|  | case 160: /* 160x120 */ | 
|  | gspca_dev->alt = 2; | 
|  | break; | 
|  | case 320: /* 320x240 */ | 
|  | gspca_dev->alt = 6; | 
|  | break; | 
|  | default:  /* >= 640x480 */ | 
|  | gspca_dev->alt = 9; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #define HW_WIN(mode, hstart, vstart) \ | 
|  | ((const u8 []){hstart, 0, vstart, 0, \ | 
|  | (mode & MODE_SXGA ? 1280 >> 4 : 640 >> 4), \ | 
|  | (mode & MODE_SXGA ? 1024 >> 3 : 480 >> 3)}) | 
|  |  | 
|  | #define CLR_WIN(width, height) \ | 
|  | ((const u8 [])\ | 
|  | {0, width >> 2, 0, height >> 1,\ | 
|  | ((width >> 10) & 0x01) | ((height >> 8) & 0x6)}) | 
|  |  | 
|  | static int sd_start(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | int mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv; | 
|  | int width = gspca_dev->width; | 
|  | int height = gspca_dev->height; | 
|  | u8 fmt, scale = 0; | 
|  |  | 
|  | jpeg_define(sd->jpeg_hdr, height, width, | 
|  | 0x21); | 
|  | jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual)); | 
|  |  | 
|  | if (mode & MODE_RAW) | 
|  | fmt = 0x2d; | 
|  | else if (mode & MODE_JPEG) | 
|  | fmt = 0x24; | 
|  | else | 
|  | fmt = 0x2f;	/* YUV 420 */ | 
|  | sd->fmt = fmt; | 
|  |  | 
|  | switch (mode & SCALE_MASK) { | 
|  | case SCALE_1280x1024: | 
|  | scale = 0xc0; | 
|  | pr_info("Set 1280x1024\n"); | 
|  | break; | 
|  | case SCALE_640x480: | 
|  | scale = 0x80; | 
|  | pr_info("Set 640x480\n"); | 
|  | break; | 
|  | case SCALE_320x240: | 
|  | scale = 0x90; | 
|  | pr_info("Set 320x240\n"); | 
|  | break; | 
|  | case SCALE_160x120: | 
|  | scale = 0xa0; | 
|  | pr_info("Set 160x120\n"); | 
|  | break; | 
|  | } | 
|  |  | 
|  | configure_sensor_output(gspca_dev, mode); | 
|  | reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64); | 
|  | reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64); | 
|  | reg_w(gspca_dev, 0x10fb, CLR_WIN(width, height), 5); | 
|  | reg_w(gspca_dev, 0x1180, HW_WIN(mode, sd->hstart, sd->vstart), 6); | 
|  | reg_w1(gspca_dev, 0x1189, scale); | 
|  | reg_w1(gspca_dev, 0x10e0, fmt); | 
|  |  | 
|  | set_cmatrix(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness), | 
|  | v4l2_ctrl_g_ctrl(sd->contrast), | 
|  | v4l2_ctrl_g_ctrl(sd->saturation), | 
|  | v4l2_ctrl_g_ctrl(sd->hue)); | 
|  | set_gamma(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma)); | 
|  | set_redblue(gspca_dev, v4l2_ctrl_g_ctrl(sd->blue), | 
|  | v4l2_ctrl_g_ctrl(sd->red)); | 
|  | if (sd->gain) | 
|  | set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain)); | 
|  | if (sd->exposure) | 
|  | set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); | 
|  | if (sd->hflip) | 
|  | set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), | 
|  | v4l2_ctrl_g_ctrl(sd->vflip)); | 
|  |  | 
|  | reg_w1(gspca_dev, 0x1007, 0x20); | 
|  | reg_w1(gspca_dev, 0x1061, 0x03); | 
|  |  | 
|  | /* if JPEG, prepare the compression quality update */ | 
|  | if (mode & MODE_JPEG) { | 
|  | sd->pktsz = sd->npkt = 0; | 
|  | sd->nchg = 0; | 
|  | sd->work_thread = | 
|  | create_singlethread_workqueue(KBUILD_MODNAME); | 
|  | } | 
|  |  | 
|  | return gspca_dev->usb_err; | 
|  | } | 
|  |  | 
|  | static void sd_stopN(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | reg_w1(gspca_dev, 0x1007, 0x00); | 
|  | reg_w1(gspca_dev, 0x1061, 0x01); | 
|  | } | 
|  |  | 
|  | /* called on streamoff with alt==0 and on disconnect */ | 
|  | /* the usb_lock is held at entry - restore on exit */ | 
|  | static void sd_stop0(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | if (sd->work_thread != NULL) { | 
|  | mutex_unlock(&gspca_dev->usb_lock); | 
|  | destroy_workqueue(sd->work_thread); | 
|  | mutex_lock(&gspca_dev->usb_lock); | 
|  | sd->work_thread = NULL; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | s32 cur_exp = v4l2_ctrl_g_ctrl(sd->exposure); | 
|  | s32 max = sd->exposure->maximum - sd->exposure_step; | 
|  | s32 min = sd->exposure->minimum + sd->exposure_step; | 
|  | s16 new_exp; | 
|  |  | 
|  | /* | 
|  | * some hardcoded values are present | 
|  | * like those for maximal/minimal exposure | 
|  | * and exposure steps | 
|  | */ | 
|  | if (avg_lum < MIN_AVG_LUM) { | 
|  | if (cur_exp > max) | 
|  | return; | 
|  |  | 
|  | new_exp = cur_exp + sd->exposure_step; | 
|  | if (new_exp > max) | 
|  | new_exp = max; | 
|  | if (new_exp < min) | 
|  | new_exp = min; | 
|  | v4l2_ctrl_s_ctrl(sd->exposure, new_exp); | 
|  |  | 
|  | sd->older_step = sd->old_step; | 
|  | sd->old_step = 1; | 
|  |  | 
|  | if (sd->old_step ^ sd->older_step) | 
|  | sd->exposure_step /= 2; | 
|  | else | 
|  | sd->exposure_step += 2; | 
|  | } | 
|  | if (avg_lum > MAX_AVG_LUM) { | 
|  | if (cur_exp < min) | 
|  | return; | 
|  | new_exp = cur_exp - sd->exposure_step; | 
|  | if (new_exp > max) | 
|  | new_exp = max; | 
|  | if (new_exp < min) | 
|  | new_exp = min; | 
|  | v4l2_ctrl_s_ctrl(sd->exposure, new_exp); | 
|  | sd->older_step = sd->old_step; | 
|  | sd->old_step = 0; | 
|  |  | 
|  | if (sd->old_step ^ sd->older_step) | 
|  | sd->exposure_step /= 2; | 
|  | else | 
|  | sd->exposure_step += 2; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain); | 
|  |  | 
|  | if (avg_lum < MIN_AVG_LUM && cur_gain < sd->gain->maximum) | 
|  | v4l2_ctrl_s_ctrl(sd->gain, cur_gain + 1); | 
|  | if (avg_lum > MAX_AVG_LUM && cur_gain > sd->gain->minimum) | 
|  | v4l2_ctrl_s_ctrl(sd->gain, cur_gain - 1); | 
|  | } | 
|  |  | 
|  | static void sd_dqcallback(struct gspca_dev *gspca_dev) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | int avg_lum; | 
|  |  | 
|  | if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain)) | 
|  | return; | 
|  |  | 
|  | avg_lum = atomic_read(&sd->avg_lum); | 
|  | if (sd->sensor == SENSOR_SOI968) | 
|  | do_autogain(gspca_dev, avg_lum); | 
|  | else | 
|  | do_autoexposure(gspca_dev, avg_lum); | 
|  | } | 
|  |  | 
|  | /* JPEG quality update */ | 
|  | /* This function is executed from a work queue. */ | 
|  | static void qual_upd(struct work_struct *work) | 
|  | { | 
|  | struct sd *sd = container_of(work, struct sd, work); | 
|  | struct gspca_dev *gspca_dev = &sd->gspca_dev; | 
|  | s32 qual = v4l2_ctrl_g_ctrl(sd->jpegqual); | 
|  |  | 
|  | /* To protect gspca_dev->usb_buf and gspca_dev->usb_err */ | 
|  | mutex_lock(&gspca_dev->usb_lock); | 
|  | PDEBUG(D_STREAM, "qual_upd %d%%", qual); | 
|  | gspca_dev->usb_err = 0; | 
|  | set_quality(gspca_dev, qual); | 
|  | mutex_unlock(&gspca_dev->usb_lock); | 
|  | } | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_INPUT) | 
|  | static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, | 
|  | u8 *data,		/* interrupt packet */ | 
|  | int len)		/* interrupt packet length */ | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  |  | 
|  | if (!(sd->flags & HAS_NO_BUTTON) && len == 1) { | 
|  | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1); | 
|  | input_sync(gspca_dev->input_dev); | 
|  | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); | 
|  | input_sync(gspca_dev->input_dev); | 
|  | return 0; | 
|  | } | 
|  | return -EINVAL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /* check the JPEG compression */ | 
|  | static void transfer_check(struct gspca_dev *gspca_dev, | 
|  | u8 *data) | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | int new_qual, r; | 
|  |  | 
|  | new_qual = 0; | 
|  |  | 
|  | /* if USB error, discard the frame and decrease the quality */ | 
|  | if (data[6] & 0x08) {				/* USB FIFO full */ | 
|  | gspca_dev->last_packet_type = DISCARD_PACKET; | 
|  | new_qual = -5; | 
|  | } else { | 
|  |  | 
|  | /* else, compute the filling rate and a new JPEG quality */ | 
|  | r = (sd->pktsz * 100) / | 
|  | (sd->npkt * | 
|  | gspca_dev->urb[0]->iso_frame_desc[0].length); | 
|  | if (r >= 85) | 
|  | new_qual = -3; | 
|  | else if (r < 75) | 
|  | new_qual = 2; | 
|  | } | 
|  | if (new_qual != 0) { | 
|  | sd->nchg += new_qual; | 
|  | if (sd->nchg < -6 || sd->nchg >= 12) { | 
|  | /* Note: we are in interrupt context, so we can't | 
|  | use v4l2_ctrl_g/s_ctrl here. Access the value | 
|  | directly instead. */ | 
|  | s32 curqual = sd->jpegqual->cur.val; | 
|  | sd->nchg = 0; | 
|  | new_qual += curqual; | 
|  | if (new_qual < sd->jpegqual->minimum) | 
|  | new_qual = sd->jpegqual->minimum; | 
|  | else if (new_qual > sd->jpegqual->maximum) | 
|  | new_qual = sd->jpegqual->maximum; | 
|  | if (new_qual != curqual) { | 
|  | sd->jpegqual->cur.val = new_qual; | 
|  | queue_work(sd->work_thread, &sd->work); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | sd->nchg = 0; | 
|  | } | 
|  | sd->pktsz = sd->npkt = 0; | 
|  | } | 
|  |  | 
|  | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | 
|  | u8 *data,			/* isoc packet */ | 
|  | int len)			/* iso packet length */ | 
|  | { | 
|  | struct sd *sd = (struct sd *) gspca_dev; | 
|  | int avg_lum, is_jpeg; | 
|  | static const u8 frame_header[] = | 
|  | {0xff, 0xff, 0x00, 0xc4, 0xc4, 0x96}; | 
|  |  | 
|  | is_jpeg = (sd->fmt & 0x03) == 0; | 
|  | if (len >= 64 && memcmp(data, frame_header, 6) == 0) { | 
|  | avg_lum = ((data[35] >> 2) & 3) | | 
|  | (data[20] << 2) | | 
|  | (data[19] << 10); | 
|  | avg_lum += ((data[35] >> 4) & 3) | | 
|  | (data[22] << 2) | | 
|  | (data[21] << 10); | 
|  | avg_lum += ((data[35] >> 6) & 3) | | 
|  | (data[24] << 2) | | 
|  | (data[23] << 10); | 
|  | avg_lum += (data[36] & 3) | | 
|  | (data[26] << 2) | | 
|  | (data[25] << 10); | 
|  | avg_lum += ((data[36] >> 2) & 3) | | 
|  | (data[28] << 2) | | 
|  | (data[27] << 10); | 
|  | avg_lum += ((data[36] >> 4) & 3) | | 
|  | (data[30] << 2) | | 
|  | (data[29] << 10); | 
|  | avg_lum += ((data[36] >> 6) & 3) | | 
|  | (data[32] << 2) | | 
|  | (data[31] << 10); | 
|  | avg_lum += ((data[44] >> 4) & 3) | | 
|  | (data[34] << 2) | | 
|  | (data[33] << 10); | 
|  | avg_lum >>= 9; | 
|  | atomic_set(&sd->avg_lum, avg_lum); | 
|  |  | 
|  | if (is_jpeg) | 
|  | transfer_check(gspca_dev, data); | 
|  |  | 
|  | gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); | 
|  | len -= 64; | 
|  | if (len == 0) | 
|  | return; | 
|  | data += 64; | 
|  | } | 
|  | if (gspca_dev->last_packet_type == LAST_PACKET) { | 
|  | if (is_jpeg) { | 
|  | gspca_frame_add(gspca_dev, FIRST_PACKET, | 
|  | sd->jpeg_hdr, JPEG_HDR_SZ); | 
|  | gspca_frame_add(gspca_dev, INTER_PACKET, | 
|  | data, len); | 
|  | } else { | 
|  | gspca_frame_add(gspca_dev, FIRST_PACKET, | 
|  | data, len); | 
|  | } | 
|  | } else { | 
|  | /* if JPEG, count the packets and their size */ | 
|  | if (is_jpeg) { | 
|  | sd->npkt++; | 
|  | sd->pktsz += len; | 
|  | } | 
|  | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* sub-driver description */ | 
|  | static const struct sd_desc sd_desc = { | 
|  | .name = KBUILD_MODNAME, | 
|  | .config = sd_config, | 
|  | .init = sd_init, | 
|  | .init_controls = sd_init_controls, | 
|  | .isoc_init = sd_isoc_init, | 
|  | .start = sd_start, | 
|  | .stopN = sd_stopN, | 
|  | .stop0 = sd_stop0, | 
|  | .pkt_scan = sd_pkt_scan, | 
|  | #if IS_ENABLED(CONFIG_INPUT) | 
|  | .int_pkt_scan = sd_int_pkt_scan, | 
|  | #endif | 
|  | .dq_callback = sd_dqcallback, | 
|  | #ifdef CONFIG_VIDEO_ADV_DEBUG | 
|  | .set_register = sd_dbg_s_register, | 
|  | .get_register = sd_dbg_g_register, | 
|  | .get_chip_info = sd_chip_info, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | #define SN9C20X(sensor, i2c_addr, flags) \ | 
|  | .driver_info =  ((flags & 0xff) << 16) \ | 
|  | | (SENSOR_ ## sensor << 8) \ | 
|  | | (i2c_addr) | 
|  |  | 
|  | static const struct usb_device_id device_table[] = { | 
|  | {USB_DEVICE(0x0c45, 0x6240), SN9C20X(MT9M001, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6242), SN9C20X(MT9M111, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6248), SN9C20X(OV9655, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x624c), SN9C20X(MT9M112, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30, LED_REVERSE)}, | 
|  | {USB_DEVICE(0x0c45, 0x624f), SN9C20X(OV9650, 0x30, | 
|  | (FLIP_DETECT | HAS_NO_BUTTON))}, | 
|  | {USB_DEVICE(0x0c45, 0x6251), SN9C20X(OV9650, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6253), SN9C20X(OV9650, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6260), SN9C20X(OV7670, 0x21, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6270), SN9C20X(MT9VPRB, 0x00, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x627b), SN9C20X(OV7660, 0x21, FLIP_DETECT)}, | 
|  | {USB_DEVICE(0x0c45, 0x627c), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x627f), SN9C20X(OV9650, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6280), SN9C20X(MT9M001, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6282), SN9C20X(MT9M111, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x6288), SN9C20X(OV9655, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x628c), SN9C20X(MT9M112, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x628e), SN9C20X(SOI968, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x628f), SN9C20X(OV9650, 0x30, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x62a0), SN9C20X(OV7670, 0x21, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x62b0), SN9C20X(MT9VPRB, 0x00, 0)}, | 
|  | {USB_DEVICE(0x0c45, 0x62b3), SN9C20X(OV9655, 0x30, LED_REVERSE)}, | 
|  | {USB_DEVICE(0x0c45, 0x62bb), SN9C20X(OV7660, 0x21, LED_REVERSE)}, | 
|  | {USB_DEVICE(0x0c45, 0x62bc), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0x045e, 0x00f4), SN9C20X(OV9650, 0x30, 0)}, | 
|  | {USB_DEVICE(0x145f, 0x013d), SN9C20X(OV7660, 0x21, 0)}, | 
|  | {USB_DEVICE(0x0458, 0x7029), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0x0458, 0x704a), SN9C20X(MT9M112, 0x5d, 0)}, | 
|  | {USB_DEVICE(0x0458, 0x704c), SN9C20X(MT9M112, 0x5d, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0610), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0611), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0613), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0618), SN9C20X(HV7131R, 0x11, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0614), SN9C20X(MT9M111, 0x5d, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0615), SN9C20X(MT9M111, 0x5d, 0)}, | 
|  | {USB_DEVICE(0xa168, 0x0617), SN9C20X(MT9M111, 0x5d, 0)}, | 
|  | {} | 
|  | }; | 
|  | 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 = KBUILD_MODNAME, | 
|  | .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); |