Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *		Pixart PAC7311 library
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *		Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) /* Some documentation about various registers as determined by trial and error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * Register page 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * Address	Description
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * 0x08		Unknown compressor related, must always be 8 except when not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *		in 640x480 resolution and page 4 reg 2 <= 3 then set it to 9 !
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * 0x1b		Auto white balance related, bit 0 is AWB enable (inverted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *		bits 345 seem to toggle per color gains on/off (inverted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * 0x78		Global control, bit 6 controls the LED (inverted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  * 0x80		Compression balance, interesting settings:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *		0x01 Use this to allow the camera to switch to higher compr.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  *		     on the fly. Needed to stay within bandwidth @ 640x480@30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  *		0x1c From usb captures under Windows for 640x480
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  *		0x2a Values >= this switch the camera to a lower compression,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  *		     using the same table for both luminance and chrominance.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  *		     This gives a sharper picture. Usable only at 640x480@ <
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  *		     15 fps or 320x240 / 160x120. Note currently the driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  *		     does not use this as the quality gain is small and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  *		     generated JPG-s are only understood by v4l-utils >= 0.8.9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  *		0x3f From usb captures under Windows for 320x240
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  *		0x69 From usb captures under Windows for 160x120
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * Register page 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * Address	Description
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * 0x02		Clock divider 2-63, fps =~ 60 / val. Must be a multiple of 3 on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  *		the 7302, so one of 3, 6, 9, ..., except when between 6 and 12?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * 0x0f		Master gain 1-245, low value = high gain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  * 0x10		Another gain 0-15, limited influence (1-2x gain I guess)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)  * 0x21		Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)  *		Note setting vflip disabled leads to a much lower image quality,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)  *		so we always vflip, and tell userspace to flip it back
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42)  * 0x27		Seems to toggle various gains on / off, Setting bit 7 seems to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  *		completely disable the analog amplification block. Set to 0x68
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  *		for max gain, 0x14 for minimal gain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define MODULE_NAME "pac7311"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #include "gspca.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) /* Include pac common sof detection functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #include "pac_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define PAC7311_GAIN_DEFAULT     122
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define PAC7311_EXPOSURE_DEFAULT   3 /* 20 fps, avoid using high compr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) MODULE_DESCRIPTION("Pixart PAC7311");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) struct sd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	struct gspca_dev gspca_dev;		/* !! must be the first item */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	struct v4l2_ctrl *contrast;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	struct v4l2_ctrl *hflip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	u8 sof_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	u8 autogain_ignore_frames;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	atomic_t avg_lum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) static const struct v4l2_pix_format vga_mode[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	{160, 120, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		.bytesperline = 160,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		.sizeimage = 160 * 120 * 3 / 8 + 590,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		.colorspace = V4L2_COLORSPACE_JPEG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		.priv = 2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	{320, 240, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		.bytesperline = 320,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		.sizeimage = 320 * 240 * 3 / 8 + 590,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		.colorspace = V4L2_COLORSPACE_JPEG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		.priv = 1},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	{640, 480, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		.bytesperline = 640,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		.sizeimage = 640 * 480 * 3 / 8 + 590,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		.colorspace = V4L2_COLORSPACE_JPEG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		.priv = 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) #define LOAD_PAGE4		254
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) #define END_OF_SEQUENCE		0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) static const __u8 init_7311[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	0xff, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	0x78, 0x40,	/* Bit_0=start stream, Bit_6=LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	0x78, 0x40,	/* Bit_0=start stream, Bit_6=LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	0x78, 0x44,	/* Bit_0=start stream, Bit_6=LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	0xff, 0x04,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	0x27, 0x80,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	0x28, 0xca,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	0x29, 0x53,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	0x2a, 0x0e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	0xff, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	0x3e, 0x20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static const __u8 start_7311[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /*	index, len, [value]* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	0xff, 1,	0x01,		/* page 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	0x02, 43,	0x48, 0x0a, 0x40, 0x08, 0x00, 0x00, 0x08, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			0x06, 0xff, 0x11, 0xff, 0x5a, 0x30, 0x90, 0x4c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 			0x00, 0x07, 0x00, 0x0a, 0x10, 0x00, 0xa0, 0x10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 			0x02, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x01, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 			0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	0x3e, 42,	0x00, 0x00, 0x78, 0x52, 0x4a, 0x52, 0x78, 0x6e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			0x48, 0x46, 0x48, 0x6e, 0x5f, 0x49, 0x42, 0x49,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 			0x5f, 0x5f, 0x49, 0x42, 0x49, 0x5f, 0x6e, 0x48,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			0x46, 0x48, 0x6e, 0x78, 0x52, 0x4a, 0x52, 0x78,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			0x00, 0x00, 0x09, 0x1b, 0x34, 0x49, 0x5c, 0x9b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 			0xd0, 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	0x78, 6,	0x44, 0x00, 0xf2, 0x01, 0x01, 0x80,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	0x7f, 18,	0x2a, 0x1c, 0x00, 0xc8, 0x02, 0x58, 0x03, 0x84,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 			0x12, 0x00, 0x1a, 0x04, 0x08, 0x0c, 0x10, 0x14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 			0x18, 0x20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	0x96, 3,	0x01, 0x08, 0x04,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	0xa0, 4,	0x44, 0x44, 0x44, 0x04,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	0xf0, 13,	0x01, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			0x3f, 0x00, 0x0a, 0x01, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	0xff, 1,	0x04,		/* page 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	0, LOAD_PAGE4,			/* load the page 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	0x11, 1,	0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	0, END_OF_SEQUENCE		/* end of sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #define SKIP		0xaa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* page 4 - the value SKIP says skip the index - see reg_w_page() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static const __u8 page4_7311[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	SKIP, SKIP, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	0x09, 0x00, SKIP, SKIP, 0x07, 0x00, 0x00, 0x62,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	0x08, SKIP, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, SKIP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	SKIP, 0x00, 0x08, SKIP, 0x03, SKIP, 0x00, 0x68,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	0xca, 0x10, 0x06, 0x78, 0x00, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	0x23, 0x28, 0x04, 0x11, 0x00, 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static void reg_w_buf(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		  __u8 index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		  const u8 *buffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (gspca_dev->usb_err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	memcpy(gspca_dev->usb_buf, buffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 			usb_sndctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 			0,		/* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 			0,		/* value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 			index, gspca_dev->usb_buf, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		pr_err("reg_w_buf() failed index 0x%02x, error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		       index, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		gspca_dev->usb_err = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static void reg_w(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		  __u8 index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		  __u8 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	if (gspca_dev->usb_err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	gspca_dev->usb_buf[0] = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			usb_sndctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 			0,			/* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 			0, index, gspca_dev->usb_buf, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		pr_err("reg_w() failed index 0x%02x, value 0x%02x, error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		       index, value, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		gspca_dev->usb_err = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static void reg_w_seq(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		const __u8 *seq, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	while (--len >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		reg_w(gspca_dev, seq[0], seq[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		seq += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /* load the beginning of a page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static void reg_w_page(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 			const __u8 *page, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	if (gspca_dev->usb_err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	for (index = 0; index < len; index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		if (page[index] == SKIP)		/* skip this index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		gspca_dev->usb_buf[0] = page[index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 				usb_sndctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 				0,			/* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 				0, index, gspca_dev->usb_buf, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 				500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 			pr_err("reg_w_page() failed index 0x%02x, value 0x%02x, error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			       index, page[index], ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 			gspca_dev->usb_err = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /* output a variable sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) static void reg_w_var(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			const __u8 *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			const __u8 *page4, unsigned int page4_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	int index, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		index = *seq++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		len = *seq++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		switch (len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		case END_OF_SEQUENCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		case LOAD_PAGE4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 			reg_w_page(gspca_dev, page4, page4_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			if (len > USB_BUF_SZ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 				gspca_err(gspca_dev, "Incorrect variable sequence\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 			while (len > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 				if (len < 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 					reg_w_buf(gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 						index, seq, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 					seq += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 				reg_w_buf(gspca_dev, index, seq, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 				seq += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 				index += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 				len -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	/* not reached */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) /* this function is called at probe time for pac7311 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) static int sd_config(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 			const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	struct cam *cam = &gspca_dev->cam;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	cam->cam_mode = vga_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	cam->nmodes = ARRAY_SIZE(vga_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	cam->input_flags = V4L2_IN_ST_VFLIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	reg_w(gspca_dev, 0xff, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	reg_w(gspca_dev, 0x10, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	/* load registers to sensor (Bit 0, auto clear) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	reg_w(gspca_dev, 0x11, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) static void setgain(struct gspca_dev *gspca_dev, s32 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	reg_w(gspca_dev, 0xff, 0x04);			/* page 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	reg_w(gspca_dev, 0x0e, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	reg_w(gspca_dev, 0x0f, gspca_dev->gain->maximum - val + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	/* load registers to sensor (Bit 0, auto clear) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	reg_w(gspca_dev, 0x11, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static void setexposure(struct gspca_dev *gspca_dev, s32 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	reg_w(gspca_dev, 0xff, 0x04);			/* page 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	reg_w(gspca_dev, 0x02, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	/* load registers to sensor (Bit 0, auto clear) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	reg_w(gspca_dev, 0x11, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	 * Page 1 register 8 must always be 0x08 except when not in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	 *  640x480 mode and page 4 reg 2 <= 3 then it must be 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	reg_w(gspca_dev, 0xff, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	if (gspca_dev->pixfmt.width != 640 && val <= 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 		reg_w(gspca_dev, 0x08, 0x09);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		reg_w(gspca_dev, 0x08, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	 * Page1 register 80 sets the compression balance, normally we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	 * want / use 0x1c, but for 640x480@30fps we must allow the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	 * camera to use higher compression or we may run out of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	 * bandwidth.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	if (gspca_dev->pixfmt.width == 640 && val == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		reg_w(gspca_dev, 0x80, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		reg_w(gspca_dev, 0x80, 0x1c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	/* load registers to sensor (Bit 0, auto clear) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	reg_w(gspca_dev, 0x11, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	__u8 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	reg_w(gspca_dev, 0xff, 0x04);			/* page 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	data = (hflip ? 0x04 : 0x00) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	       (vflip ? 0x08 : 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	reg_w(gspca_dev, 0x21, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	/* load registers to sensor (Bit 0, auto clear) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	reg_w(gspca_dev, 0x11, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) /* this function is called at probe and resume time for pac7311 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) static int sd_init(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	reg_w_seq(gspca_dev, init_7311, sizeof(init_7311)/2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	return gspca_dev->usb_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	struct gspca_dev *gspca_dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	struct sd *sd = (struct sd *)gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	gspca_dev->usb_err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	if (ctrl->id == V4L2_CID_AUTOGAIN && ctrl->is_new && ctrl->val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 		/* when switching to autogain set defaults to make sure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		   we are on a valid point of the autogain gain /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		   exposure knee graph, and give this change time to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 		   take effect before doing autogain. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 		gspca_dev->exposure->val    = PAC7311_EXPOSURE_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 		gspca_dev->gain->val        = PAC7311_GAIN_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 		sd->autogain_ignore_frames  = PAC_AUTOGAIN_IGNORE_FRAMES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	if (!gspca_dev->streaming)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	case V4L2_CID_CONTRAST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 		setcontrast(gspca_dev, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	case V4L2_CID_AUTOGAIN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 			setexposure(gspca_dev, gspca_dev->exposure->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		if (gspca_dev->gain->is_new || (ctrl->is_new && ctrl->val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 			setgain(gspca_dev, gspca_dev->gain->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	case V4L2_CID_HFLIP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		sethvflip(gspca_dev, sd->hflip->val, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	return gspca_dev->usb_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) static const struct v4l2_ctrl_ops sd_ctrl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	.s_ctrl = sd_s_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) /* this function is called at probe time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) static int sd_init_controls(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	struct sd *sd = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	gspca_dev->vdev.ctrl_handler = hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	v4l2_ctrl_handler_init(hdl, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 					V4L2_CID_CONTRAST, 0, 15, 1, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 					V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 					V4L2_CID_EXPOSURE, 2, 63, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 					PAC7311_EXPOSURE_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 					V4L2_CID_GAIN, 0, 244, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 					PAC7311_GAIN_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		V4L2_CID_HFLIP, 0, 1, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	if (hdl->error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		pr_err("Could not initialize controls\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		return hdl->error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) /* -- start the camera -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) static int sd_start(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	struct sd *sd = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	sd->sof_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	reg_w_var(gspca_dev, start_7311,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		page4_7311, sizeof(page4_7311));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->contrast));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	setgain(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->gain));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	sethvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	/* set correct resolution */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	case 2:					/* 160x120 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		reg_w(gspca_dev, 0xff, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 		reg_w(gspca_dev, 0x17, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 		reg_w(gspca_dev, 0x87, 0x10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 	case 1:					/* 320x240 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 		reg_w(gspca_dev, 0xff, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 		reg_w(gspca_dev, 0x17, 0x30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 		reg_w(gspca_dev, 0x87, 0x11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	case 0:					/* 640x480 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 		reg_w(gspca_dev, 0xff, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 		reg_w(gspca_dev, 0x17, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		reg_w(gspca_dev, 0x87, 0x12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	sd->sof_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	sd->autogain_ignore_frames = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	atomic_set(&sd->avg_lum, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	/* start stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	reg_w(gspca_dev, 0xff, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 	reg_w(gspca_dev, 0x78, 0x05);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	return gspca_dev->usb_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) static void sd_stopN(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 	reg_w(gspca_dev, 0xff, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 	reg_w(gspca_dev, 0x27, 0x80);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	reg_w(gspca_dev, 0x28, 0xca);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	reg_w(gspca_dev, 0x29, 0x53);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	reg_w(gspca_dev, 0x2a, 0x0e);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	reg_w(gspca_dev, 0xff, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	reg_w(gspca_dev, 0x3e, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) static void do_autogain(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 	struct sd *sd = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	int avg_lum = atomic_read(&sd->avg_lum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	int desired_lum, deadzone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 	if (avg_lum == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 	desired_lum = 170;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 	deadzone = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 	if (sd->autogain_ignore_frames > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 		sd->autogain_ignore_frames--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	else if (gspca_coarse_grained_expo_autogain(gspca_dev, avg_lum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 						    desired_lum, deadzone))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 		sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) /* JPEG header, part 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) static const unsigned char pac_jpeg_header1[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)   0xff, 0xd8,		/* SOI: Start of Image */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)   0xff, 0xc0,		/* SOF0: Start of Frame (Baseline DCT) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)   0x00, 0x11,		/* length = 17 bytes (including this length field) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)   0x08			/* Precision: 8 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)   /* 2 bytes is placed here: number of image lines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)   /* 2 bytes is placed here: samples per line */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) /* JPEG header, continued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) static const unsigned char pac_jpeg_header2[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)   0x03,			/* Number of image components: 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)   0x01, 0x21, 0x00,	/* ID=1, Subsampling 1x1, Quantization table: 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)   0x02, 0x11, 0x01,	/* ID=2, Subsampling 2x1, Quantization table: 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)   0x03, 0x11, 0x01,	/* ID=3, Subsampling 2x1, Quantization table: 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526)   0xff, 0xda,		/* SOS: Start Of Scan */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)   0x00, 0x0c,		/* length = 12 bytes (including this length field) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)   0x03,			/* number of components: 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)   0x01, 0x00,		/* selector 1, table 0x00 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)   0x02, 0x11,		/* selector 2, table 0x11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)   0x03, 0x11,		/* selector 3, table 0x11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)   0x00, 0x3f,		/* Spectral selection: 0 .. 63 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)   0x00			/* Successive approximation: 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) static void pac_start_frame(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 		__u16 lines, __u16 samples_per_line)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 	unsigned char tmpbuf[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	gspca_frame_add(gspca_dev, FIRST_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 		pac_jpeg_header1, sizeof(pac_jpeg_header1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	tmpbuf[0] = lines >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 	tmpbuf[1] = lines & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 	tmpbuf[2] = samples_per_line >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 	tmpbuf[3] = samples_per_line & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	gspca_frame_add(gspca_dev, INTER_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 		tmpbuf, sizeof(tmpbuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	gspca_frame_add(gspca_dev, INTER_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 		pac_jpeg_header2, sizeof(pac_jpeg_header2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) /* this function is run at interrupt level */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) static void sd_pkt_scan(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 			u8 *data,			/* isoc packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 			int len)			/* iso packet length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 	struct sd *sd = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 	u8 *image;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	unsigned char *sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	sof = pac_find_sof(gspca_dev, &sd->sof_read, data, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 	if (sof) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 		int n, lum_offset, footer_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 		 * 6 bytes after the FF D9 EOF marker a number of lumination
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 		 * bytes are send corresponding to different parts of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 		 * image, the 14th and 15th byte after the EOF seem to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 		 * correspond to the center of the image.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 		lum_offset = 24 + sizeof pac_sof_marker;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 		footer_length = 26;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 		/* Finish decoding current frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 		n = (sof - data) - (footer_length + sizeof pac_sof_marker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 		if (n < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 			gspca_dev->image_len += n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 			n = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 			gspca_frame_add(gspca_dev, INTER_PACKET, data, n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 		image = gspca_dev->image;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 		if (image != NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 		 && image[gspca_dev->image_len - 2] == 0xff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 		 && image[gspca_dev->image_len - 1] == 0xd9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 			gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 		n = sof - data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 		len -= n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 		data = sof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 		/* Get average lumination */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 		if (gspca_dev->last_packet_type == LAST_PACKET &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 				n >= lum_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 			atomic_set(&sd->avg_lum, data[-lum_offset] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 						data[-lum_offset + 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 			atomic_set(&sd->avg_lum, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 		/* Start the new frame with the jpeg header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 		pac_start_frame(gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 			gspca_dev->pixfmt.height, gspca_dev->pixfmt.width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) #if IS_ENABLED(CONFIG_INPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 			u8 *data,		/* interrupt packet data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 			int len)		/* interrupt packet length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 	int ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 	u8 data0, data1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 	if (len == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 		data0 = data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 		data1 = data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 		if ((data0 == 0x00 && data1 == 0x11) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 		    (data0 == 0x22 && data1 == 0x33) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 		    (data0 == 0x44 && data1 == 0x55) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 		    (data0 == 0x66 && data1 == 0x77) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 		    (data0 == 0x88 && data1 == 0x99) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 		    (data0 == 0xaa && data1 == 0xbb) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 		    (data0 == 0xcc && data1 == 0xdd) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 		    (data0 == 0xee && data1 == 0xff)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 			input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 			input_sync(gspca_dev->input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 			input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 			input_sync(gspca_dev->input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 			ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) static const struct sd_desc sd_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) 	.name = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) 	.config = sd_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 	.init = sd_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 	.init_controls = sd_init_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) 	.start = sd_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 	.stopN = sd_stopN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) 	.pkt_scan = sd_pkt_scan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 	.dq_callback = do_autogain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) #if IS_ENABLED(CONFIG_INPUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 	.int_pkt_scan = sd_int_pkt_scan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) /* -- module initialisation -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) static const struct usb_device_id device_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 	{USB_DEVICE(0x093a, 0x2600)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) 	{USB_DEVICE(0x093a, 0x2601)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 	{USB_DEVICE(0x093a, 0x2603)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) 	{USB_DEVICE(0x093a, 0x2608)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) 	{USB_DEVICE(0x093a, 0x260e)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 	{USB_DEVICE(0x093a, 0x260f)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) MODULE_DEVICE_TABLE(usb, device_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) /* -- device connect -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) static int sd_probe(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 			const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) 				THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) static struct usb_driver sd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) 	.name = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) 	.id_table = device_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) 	.probe = sd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 	.disconnect = gspca_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) 	.suspend = gspca_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 	.resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) 	.reset_resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) module_usb_driver(sd_driver);