diff options
Diffstat (limited to 'drivers/media/usb/gspca/t613.c')
| -rw-r--r-- | drivers/media/usb/gspca/t613.c | 1054 | 
1 files changed, 1054 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/t613.c b/drivers/media/usb/gspca/t613.c new file mode 100644 index 00000000000..e2cc4e5a0cc --- /dev/null +++ b/drivers/media/usb/gspca/t613.c @@ -0,0 +1,1054 @@ +/* + * T613 subdriver + * + * Copyright (C) 2010 Jean-Francois Moine (http://moinejf.free.fr) + * + * 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 + * + *Notes: * t613  + tas5130A + *	* Focus to light do not balance well as in win. + *	  Quality in win is not good, but its kinda better. + *	 * Fix some "extraneous bytes", most of apps will show the image anyway + *	 * Gamma table, is there, but its really doing something? + *	 * 7~8 Fps, its ok, max on win its 10. + *			Costantino Leandro + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#define MODULE_NAME "t613" + +#include <linux/input.h> +#include <linux/slab.h> +#include "gspca.h" + +MODULE_AUTHOR("Leandro Costantino <le_costantino@pixartargentina.com.ar>"); +MODULE_DESCRIPTION("GSPCA/T613 (JPEG Compliance) USB Camera Driver"); +MODULE_LICENSE("GPL"); + +struct sd { +	struct gspca_dev gspca_dev;	/* !! must be the first item */ +	struct v4l2_ctrl *freq; +	struct { /* awb / color gains control cluster */ +		struct v4l2_ctrl *awb; +		struct v4l2_ctrl *gain; +		struct v4l2_ctrl *red_balance; +		struct v4l2_ctrl *blue_balance; +	}; + +	u8 sensor; +	u8 button_pressed; +}; +enum sensors { +	SENSOR_OM6802, +	SENSOR_OTHER, +	SENSOR_TAS5130A, +	SENSOR_LT168G,		/* must verify if this is the actual model */ +}; + +static const struct v4l2_pix_format vga_mode_t16[] = { +	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, +		.bytesperline = 160, +		.sizeimage = 160 * 120 * 4 / 8 + 590, +		.colorspace = V4L2_COLORSPACE_JPEG, +		.priv = 4}, +#if 0 /* HDG: broken with my test cam, so lets disable it */ +	{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, +		.bytesperline = 176, +		.sizeimage = 176 * 144 * 3 / 8 + 590, +		.colorspace = V4L2_COLORSPACE_JPEG, +		.priv = 3}, +#endif +	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, +		.bytesperline = 320, +		.sizeimage = 320 * 240 * 3 / 8 + 590, +		.colorspace = V4L2_COLORSPACE_JPEG, +		.priv = 2}, +#if 0 /* HDG: broken with my test cam, so lets disable it */ +	{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, +		.bytesperline = 352, +		.sizeimage = 352 * 288 * 3 / 8 + 590, +		.colorspace = V4L2_COLORSPACE_JPEG, +		.priv = 1}, +#endif +	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, +		.bytesperline = 640, +		.sizeimage = 640 * 480 * 3 / 8 + 590, +		.colorspace = V4L2_COLORSPACE_JPEG, +		.priv = 0}, +}; + +/* sensor specific data */ +struct additional_sensor_data { +	const u8 n3[6]; +	const u8 *n4, n4sz; +	const u8 reg80, reg8e; +	const u8 nset8[6]; +	const u8 data1[10]; +	const u8 data2[9]; +	const u8 data3[9]; +	const u8 data5[6]; +	const u8 stream[4]; +}; + +static const u8 n4_om6802[] = { +	0x09, 0x01, 0x12, 0x04, 0x66, 0x8a, 0x80, 0x3c, +	0x81, 0x22, 0x84, 0x50, 0x8a, 0x78, 0x8b, 0x68, +	0x8c, 0x88, 0x8e, 0x33, 0x8f, 0x24, 0xaa, 0xb1, +	0xa2, 0x60, 0xa5, 0x30, 0xa6, 0x3a, 0xa8, 0xe8, +	0xae, 0x05, 0xb1, 0x00, 0xbb, 0x04, 0xbc, 0x48, +	0xbe, 0x36, 0xc6, 0x88, 0xe9, 0x00, 0xc5, 0xc0, +	0x65, 0x0a, 0xbb, 0x86, 0xaf, 0x58, 0xb0, 0x68, +	0x87, 0x40, 0x89, 0x2b, 0x8d, 0xff, 0x83, 0x40, +	0xac, 0x84, 0xad, 0x86, 0xaf, 0x46 +}; +static const u8 n4_other[] = { +	0x66, 0x00, 0x7f, 0x00, 0x80, 0xac, 0x81, 0x69, +	0x84, 0x40, 0x85, 0x70, 0x86, 0x20, 0x8a, 0x68, +	0x8b, 0x58, 0x8c, 0x88, 0x8d, 0xff, 0x8e, 0xb8, +	0x8f, 0x28, 0xa2, 0x60, 0xa5, 0x40, 0xa8, 0xa8, +	0xac, 0x84, 0xad, 0x84, 0xae, 0x24, 0xaf, 0x56, +	0xb0, 0x68, 0xb1, 0x00, 0xb2, 0x88, 0xbb, 0xc5, +	0xbc, 0x4a, 0xbe, 0x36, 0xc2, 0x88, 0xc5, 0xc0, +	0xc6, 0xda, 0xe9, 0x26, 0xeb, 0x00 +}; +static const u8 n4_tas5130a[] = { +	0x80, 0x3c, 0x81, 0x68, 0x83, 0xa0, 0x84, 0x20, +	0x8a, 0x68, 0x8b, 0x58, 0x8c, 0x88, 0x8e, 0xb4, +	0x8f, 0x24, 0xa1, 0xb1, 0xa2, 0x30, 0xa5, 0x10, +	0xa6, 0x4a, 0xae, 0x03, 0xb1, 0x44, 0xb2, 0x08, +	0xb7, 0x06, 0xb9, 0xe7, 0xbb, 0xc4, 0xbc, 0x4a, +	0xbe, 0x36, 0xbf, 0xff, 0xc2, 0x88, 0xc5, 0xc8, +	0xc6, 0xda +}; +static const u8 n4_lt168g[] = { +	0x66, 0x01, 0x7f, 0x00, 0x80, 0x7c, 0x81, 0x28, +	0x83, 0x44, 0x84, 0x20, 0x86, 0x20, 0x8a, 0x70, +	0x8b, 0x58, 0x8c, 0x88, 0x8d, 0xa0, 0x8e, 0xb3, +	0x8f, 0x24, 0xa1, 0xb0, 0xa2, 0x38, 0xa5, 0x20, +	0xa6, 0x4a, 0xa8, 0xe8, 0xaf, 0x38, 0xb0, 0x68, +	0xb1, 0x44, 0xb2, 0x88, 0xbb, 0x86, 0xbd, 0x40, +	0xbe, 0x26, 0xc1, 0x05, 0xc2, 0x88, 0xc5, 0xc0, +	0xda, 0x8e, 0xdb, 0xca, 0xdc, 0xa8, 0xdd, 0x8c, +	0xde, 0x44, 0xdf, 0x0c, 0xe9, 0x80 +}; + +static const struct additional_sensor_data sensor_data[] = { +[SENSOR_OM6802] = { +	.n3 = +		{0x61, 0x68, 0x65, 0x0a, 0x60, 0x04}, +	.n4 = n4_om6802, +	.n4sz = sizeof n4_om6802, +	.reg80 = 0x3c, +	.reg8e = 0x33, +	.nset8 = {0xa8, 0xf0, 0xc6, 0x88, 0xc0, 0x00}, +	.data1 = +		{0xc2, 0x28, 0x0f, 0x22, 0xcd, 0x27, 0x2c, 0x06, +		 0xb3, 0xfc}, +	.data2 = +		{0x80, 0xff, 0xff, 0x80, 0xff, 0xff, 0x80, 0xff, +		 0xff}, +	.data3 = +		{0x80, 0xff, 0xff, 0x80, 0xff, 0xff, 0x80, 0xff, +		 0xff}, +	.data5 =	/* this could be removed later */ +		{0x0c, 0x03, 0xab, 0x13, 0x81, 0x23}, +	.stream = +		{0x0b, 0x04, 0x0a, 0x78}, +    }, +[SENSOR_OTHER] = { +	.n3 = +		{0x61, 0xc2, 0x65, 0x88, 0x60, 0x00}, +	.n4 = n4_other, +	.n4sz = sizeof n4_other, +	.reg80 = 0xac, +	.reg8e = 0xb8, +	.nset8 = {0xa8, 0xa8, 0xc6, 0xda, 0xc0, 0x00}, +	.data1 = +		{0xc1, 0x48, 0x04, 0x1b, 0xca, 0x2e, 0x33, 0x3a, +		 0xe8, 0xfc}, +	.data2 = +		{0x4e, 0x9c, 0xec, 0x40, 0x80, 0xc0, 0x48, 0x96, +		 0xd9}, +	.data3 = +		{0x4e, 0x9c, 0xec, 0x40, 0x80, 0xc0, 0x48, 0x96, +		 0xd9}, +	.data5 = +		{0x0c, 0x03, 0xab, 0x29, 0x81, 0x69}, +	.stream = +		{0x0b, 0x04, 0x0a, 0x00}, +    }, +[SENSOR_TAS5130A] = { +	.n3 = +		{0x61, 0xc2, 0x65, 0x0d, 0x60, 0x08}, +	.n4 = n4_tas5130a, +	.n4sz = sizeof n4_tas5130a, +	.reg80 = 0x3c, +	.reg8e = 0xb4, +	.nset8 = {0xa8, 0xf0, 0xc6, 0xda, 0xc0, 0x00}, +	.data1 = +		{0xbb, 0x28, 0x10, 0x10, 0xbb, 0x28, 0x1e, 0x27, +		 0xc8, 0xfc}, +	.data2 = +		{0x60, 0xa8, 0xe0, 0x60, 0xa8, 0xe0, 0x60, 0xa8, +		 0xe0}, +	.data3 = +		{0x60, 0xa8, 0xe0, 0x60, 0xa8, 0xe0, 0x60, 0xa8, +		 0xe0}, +	.data5 = +		{0x0c, 0x03, 0xab, 0x10, 0x81, 0x20}, +	.stream = +		{0x0b, 0x04, 0x0a, 0x40}, +    }, +[SENSOR_LT168G] = { +	.n3 = {0x61, 0xc2, 0x65, 0x68, 0x60, 0x00}, +	.n4 = n4_lt168g, +	.n4sz = sizeof n4_lt168g, +	.reg80 = 0x7c, +	.reg8e = 0xb3, +	.nset8 = {0xa8, 0xf0, 0xc6, 0xba, 0xc0, 0x00}, +	.data1 = {0xc0, 0x38, 0x08, 0x10, 0xc0, 0x30, 0x10, 0x40, +		 0xb0, 0xf4}, +	.data2 = {0x40, 0x80, 0xc0, 0x50, 0xa0, 0xf0, 0x53, 0xa6, +		 0xff}, +	.data3 = {0x40, 0x80, 0xc0, 0x50, 0xa0, 0xf0, 0x53, 0xa6, +		 0xff}, +	.data5 = {0x0c, 0x03, 0xab, 0x4b, 0x81, 0x2b}, +	.stream = {0x0b, 0x04, 0x0a, 0x28}, +    }, +}; + +#define MAX_EFFECTS 7 +static const u8 effects_table[MAX_EFFECTS][6] = { +	{0xa8, 0xe8, 0xc6, 0xd2, 0xc0, 0x00},	/* Normal */ +	{0xa8, 0xc8, 0xc6, 0x52, 0xc0, 0x04},	/* Repujar */ +	{0xa8, 0xe8, 0xc6, 0xd2, 0xc0, 0x20},	/* Monochrome */ +	{0xa8, 0xe8, 0xc6, 0xd2, 0xc0, 0x80},	/* Sepia */ +	{0xa8, 0xc8, 0xc6, 0x52, 0xc0, 0x02},	/* Croquis */ +	{0xa8, 0xc8, 0xc6, 0xd2, 0xc0, 0x10},	/* Sun Effect */ +	{0xa8, 0xc8, 0xc6, 0xd2, 0xc0, 0x40},	/* Negative */ +}; + +#define GAMMA_MAX (15) +static const u8 gamma_table[GAMMA_MAX+1][17] = { +/* gamma table from cam1690.ini */ +	{0x00, 0x00, 0x01, 0x04, 0x08, 0x0e, 0x16, 0x21,	/* 0 */ +	 0x2e, 0x3d, 0x50, 0x65, 0x7d, 0x99, 0xb8, 0xdb, +	 0xff}, +	{0x00, 0x01, 0x03, 0x08, 0x0e, 0x16, 0x21, 0x2d,	/* 1 */ +	 0x3c, 0x4d, 0x60, 0x75, 0x8d, 0xa6, 0xc2, 0xe1, +	 0xff}, +	{0x00, 0x01, 0x05, 0x0b, 0x12, 0x1c, 0x28, 0x35,	/* 2 */ +	 0x45, 0x56, 0x69, 0x7e, 0x95, 0xad, 0xc7, 0xe3, +	 0xff}, +	{0x00, 0x02, 0x07, 0x0f, 0x18, 0x24, 0x30, 0x3f,	/* 3 */ +	 0x4f, 0x61, 0x73, 0x88, 0x9d, 0xb4, 0xcd, 0xe6, +	 0xff}, +	{0x00, 0x04, 0x0b, 0x15, 0x20, 0x2d, 0x3b, 0x4a,	/* 4 */ +	 0x5b, 0x6c, 0x7f, 0x92, 0xa7, 0xbc, 0xd2, 0xe9, +	 0xff}, +	{0x00, 0x07, 0x11, 0x15, 0x20, 0x2d, 0x48, 0x58,	/* 5 */ +	 0x68, 0x79, 0x8b, 0x9d, 0xb0, 0xc4, 0xd7, 0xec, +	 0xff}, +	{0x00, 0x0c, 0x1a, 0x29, 0x38, 0x47, 0x57, 0x67,	/* 6 */ +	 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, +	 0xff}, +	{0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,	/* 7 */ +	 0x80, 0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0, +	 0xff}, +	{0x00, 0x15, 0x27, 0x38, 0x49, 0x59, 0x69, 0x79,	/* 8 */ +	 0x88, 0x97, 0xa7, 0xb6, 0xc4, 0xd3, 0xe2, 0xf0, +	 0xff}, +	{0x00, 0x1c, 0x30, 0x43, 0x54, 0x65, 0x75, 0x84,	/* 9 */ +	 0x93, 0xa1, 0xb0, 0xbd, 0xca, 0xd8, 0xe5, 0xf2, +	 0xff}, +	{0x00, 0x24, 0x3b, 0x4f, 0x60, 0x70, 0x80, 0x8e,	/* 10 */ +	 0x9c, 0xaa, 0xb7, 0xc4, 0xd0, 0xdc, 0xe8, 0xf3, +	 0xff}, +	{0x00, 0x2a, 0x3c, 0x5d, 0x6e, 0x7e, 0x8d, 0x9b,	/* 11 */ +	 0xa8, 0xb4, 0xc0, 0xcb, 0xd6, 0xe1, 0xeb, 0xf5, +	 0xff}, +	{0x00, 0x3f, 0x5a, 0x6e, 0x7f, 0x8e, 0x9c, 0xa8,	/* 12 */ +	 0xb4, 0xbf, 0xc9, 0xd3, 0xdc, 0xe5, 0xee, 0xf6, +	 0xff}, +	{0x00, 0x54, 0x6f, 0x83, 0x93, 0xa0, 0xad, 0xb7,	/* 13 */ +	 0xc2, 0xcb, 0xd4, 0xdc, 0xe4, 0xeb, 0xf2, 0xf9, +	 0xff}, +	{0x00, 0x6e, 0x88, 0x9a, 0xa8, 0xb3, 0xbd, 0xc6,	/* 14 */ +	 0xcf, 0xd6, 0xdd, 0xe3, 0xe9, 0xef, 0xf4, 0xfa, +	 0xff}, +	{0x00, 0x93, 0xa8, 0xb7, 0xc1, 0xca, 0xd2, 0xd8,	/* 15 */ +	 0xde, 0xe3, 0xe8, 0xed, 0xf1, 0xf5, 0xf8, 0xfc, +	 0xff} +}; + +static const u8 tas5130a_sensor_init[][8] = { +	{0x62, 0x08, 0x63, 0x70, 0x64, 0x1d, 0x60, 0x09}, +	{0x62, 0x20, 0x63, 0x01, 0x64, 0x02, 0x60, 0x09}, +	{0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09}, +}; + +static u8 sensor_reset[] = {0x61, 0x68, 0x62, 0xff, 0x60, 0x07}; + +/* read 1 byte */ +static u8 reg_r(struct gspca_dev *gspca_dev, +		   u16 index) +{ +	usb_control_msg(gspca_dev->dev, +			usb_rcvctrlpipe(gspca_dev->dev, 0), +			0,		/* request */ +			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +			0,		/* value */ +			index, +			gspca_dev->usb_buf, 1, 500); +	return gspca_dev->usb_buf[0]; +} + +static void reg_w(struct gspca_dev *gspca_dev, +		  u16 index) +{ +	usb_control_msg(gspca_dev->dev, +			usb_sndctrlpipe(gspca_dev->dev, 0), +			0, +			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +			0, index, +			NULL, 0, 500); +} + +static void reg_w_buf(struct gspca_dev *gspca_dev, +		  const u8 *buffer, u16 len) +{ +	if (len <= USB_BUF_SZ) { +		memcpy(gspca_dev->usb_buf, buffer, len); +		usb_control_msg(gspca_dev->dev, +				usb_sndctrlpipe(gspca_dev->dev, 0), +				0, +			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +				0x01, 0, +				gspca_dev->usb_buf, len, 500); +	} else { +		u8 *tmpbuf; + +		tmpbuf = kmemdup(buffer, len, GFP_KERNEL); +		if (!tmpbuf) { +			pr_err("Out of memory\n"); +			return; +		} +		usb_control_msg(gspca_dev->dev, +				usb_sndctrlpipe(gspca_dev->dev, 0), +				0, +			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +				0x01, 0, +				tmpbuf, len, 500); +		kfree(tmpbuf); +	} +} + +/* write values to consecutive registers */ +static void reg_w_ixbuf(struct gspca_dev *gspca_dev, +			u8 reg, +			const u8 *buffer, u16 len) +{ +	int i; +	u8 *p, *tmpbuf; + +	if (len * 2 <= USB_BUF_SZ) { +		p = tmpbuf = gspca_dev->usb_buf; +	} else { +		p = tmpbuf = kmalloc(len * 2, GFP_KERNEL); +		if (!tmpbuf) { +			pr_err("Out of memory\n"); +			return; +		} +	} +	i = len; +	while (--i >= 0) { +		*p++ = reg++; +		*p++ = *buffer++; +	} +	usb_control_msg(gspca_dev->dev, +			usb_sndctrlpipe(gspca_dev->dev, 0), +			0, +			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, +			0x01, 0, +			tmpbuf, len * 2, 500); +	if (len * 2 > USB_BUF_SZ) +		kfree(tmpbuf); +} + +static void om6802_sensor_init(struct gspca_dev *gspca_dev) +{ +	int i; +	const u8 *p; +	u8 byte; +	u8 val[6] = {0x62, 0, 0x64, 0, 0x60, 0x05}; +	static const u8 sensor_init[] = { +		0xdf, 0x6d, +		0xdd, 0x18, +		0x5a, 0xe0, +		0x5c, 0x07, +		0x5d, 0xb0, +		0x5e, 0x1e, +		0x60, 0x71, +		0xef, 0x00, +		0xe9, 0x00, +		0xea, 0x00, +		0x90, 0x24, +		0x91, 0xb2, +		0x82, 0x32, +		0xfd, 0x41, +		0x00			/* table end */ +	}; + +	reg_w_buf(gspca_dev, sensor_reset, sizeof sensor_reset); +	msleep(100); +	i = 4; +	while (--i > 0) { +		byte = reg_r(gspca_dev, 0x0060); +		if (!(byte & 0x01)) +			break; +		msleep(100); +	} +	byte = reg_r(gspca_dev, 0x0063); +	if (byte != 0x17) { +		pr_err("Bad sensor reset %02x\n", byte); +		/* continue? */ +	} + +	p = sensor_init; +	while (*p != 0) { +		val[1] = *p++; +		val[3] = *p++; +		if (*p == 0) +			reg_w(gspca_dev, 0x3c80); +		reg_w_buf(gspca_dev, val, sizeof val); +		i = 4; +		while (--i >= 0) { +			msleep(15); +			byte = reg_r(gspca_dev, 0x60); +			if (!(byte & 0x01)) +				break; +		} +	} +	msleep(15); +	reg_w(gspca_dev, 0x3c80); +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, +		     const struct usb_device_id *id) +{ +	struct cam *cam  = &gspca_dev->cam; + +	cam->cam_mode = vga_mode_t16; +	cam->nmodes = ARRAY_SIZE(vga_mode_t16); + +	return 0; +} + +static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness) +{ +	u8 set6[4] = { 0x8f, 0x24, 0xc3, 0x00 }; + +	if (brightness < 7) { +		set6[1] = 0x26; +		set6[3] = 0x70 - brightness * 0x10; +	} else { +		set6[3] = 0x00 + ((brightness - 7) * 0x10); +	} + +	reg_w_buf(gspca_dev, set6, sizeof set6); +} + +static void setcontrast(struct gspca_dev *gspca_dev, s32 contrast) +{ +	u16 reg_to_write; + +	if (contrast < 7) +		reg_to_write = 0x8ea9 - contrast * 0x200; +	else +		reg_to_write = 0x00a9 + (contrast - 7) * 0x200; + +	reg_w(gspca_dev, reg_to_write); +} + +static void setcolors(struct gspca_dev *gspca_dev, s32 val) +{ +	u16 reg_to_write; + +	reg_to_write = 0x80bb + val * 0x100;	/* was 0xc0 */ +	reg_w(gspca_dev, reg_to_write); +} + +static void setgamma(struct gspca_dev *gspca_dev, s32 val) +{ +	PDEBUG(D_CONF, "Gamma: %d", val); +	reg_w_ixbuf(gspca_dev, 0x90, +		gamma_table[val], sizeof gamma_table[0]); +} + +static void setawb_n_RGB(struct gspca_dev *gspca_dev) +{ +	struct sd *sd = (struct sd *) gspca_dev; +	u8 all_gain_reg[8] = { +		0x87, 0x00, 0x88, 0x00, 0x89, 0x00, 0x80, 0x00 }; +	s32 red_gain, blue_gain, green_gain; + +	green_gain = sd->gain->val; + +	red_gain = green_gain + sd->red_balance->val; +	if (red_gain > 0x40) +		red_gain = 0x40; +	else if (red_gain < 0x10) +		red_gain = 0x10; + +	blue_gain = green_gain + sd->blue_balance->val; +	if (blue_gain > 0x40) +		blue_gain = 0x40; +	else if (blue_gain < 0x10) +		blue_gain = 0x10; + +	all_gain_reg[1] = red_gain; +	all_gain_reg[3] = blue_gain; +	all_gain_reg[5] = green_gain; +	all_gain_reg[7] = sensor_data[sd->sensor].reg80; +	if (!sd->awb->val) +		all_gain_reg[7] &= ~0x04; /* AWB off */ + +	reg_w_buf(gspca_dev, all_gain_reg, sizeof all_gain_reg); +} + +static void setsharpness(struct gspca_dev *gspca_dev, s32 val) +{ +	u16 reg_to_write; + +	reg_to_write = 0x0aa6 + 0x1000 * val; + +	reg_w(gspca_dev, reg_to_write); +} + +static void setfreq(struct gspca_dev *gspca_dev, s32 val) +{ +	struct sd *sd = (struct sd *) gspca_dev; +	u8 reg66; +	u8 freq[4] = { 0x66, 0x00, 0xa8, 0xe8 }; + +	switch (sd->sensor) { +	case SENSOR_LT168G: +		if (val != 0) +			freq[3] = 0xa8; +		reg66 = 0x41; +		break; +	case SENSOR_OM6802: +		reg66 = 0xca; +		break; +	default: +		reg66 = 0x40; +		break; +	} +	switch (val) { +	case 0:				/* no flicker */ +		freq[3] = 0xf0; +		break; +	case 2:				/* 60Hz */ +		reg66 &= ~0x40; +		break; +	} +	freq[1] = reg66; + +	reg_w_buf(gspca_dev, freq, sizeof freq); +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ +	/* some of this registers are not really neded, because +	 * they are overriden by setbrigthness, setcontrast, etc, +	 * but wont hurt anyway, and can help someone with similar webcam +	 * to see the initial parameters.*/ +	struct sd *sd = (struct sd *) gspca_dev; +	const struct additional_sensor_data *sensor; +	int i; +	u16 sensor_id; +	u8 test_byte = 0; + +	static const u8 read_indexs[] = +		{ 0x0a, 0x0b, 0x66, 0x80, 0x81, 0x8e, 0x8f, 0xa5, +		  0xa6, 0xa8, 0xbb, 0xbc, 0xc6, 0x00 }; +	static const u8 n1[] = +			{0x08, 0x03, 0x09, 0x03, 0x12, 0x04}; +	static const u8 n2[] = +			{0x08, 0x00}; + +	sensor_id = (reg_r(gspca_dev, 0x06) << 8) +			| reg_r(gspca_dev, 0x07); +	switch (sensor_id & 0xff0f) { +	case 0x0801: +		PDEBUG(D_PROBE, "sensor tas5130a"); +		sd->sensor = SENSOR_TAS5130A; +		break; +	case 0x0802: +		PDEBUG(D_PROBE, "sensor lt168g"); +		sd->sensor = SENSOR_LT168G; +		break; +	case 0x0803: +		PDEBUG(D_PROBE, "sensor 'other'"); +		sd->sensor = SENSOR_OTHER; +		break; +	case 0x0807: +		PDEBUG(D_PROBE, "sensor om6802"); +		sd->sensor = SENSOR_OM6802; +		break; +	default: +		pr_err("unknown sensor %04x\n", sensor_id); +		return -EINVAL; +	} + +	if (sd->sensor == SENSOR_OM6802) { +		reg_w_buf(gspca_dev, n1, sizeof n1); +		i = 5; +		while (--i >= 0) { +			reg_w_buf(gspca_dev, sensor_reset, sizeof sensor_reset); +			test_byte = reg_r(gspca_dev, 0x0063); +			msleep(100); +			if (test_byte == 0x17) +				break;		/* OK */ +		} +		if (i < 0) { +			pr_err("Bad sensor reset %02x\n", test_byte); +			return -EIO; +		} +		reg_w_buf(gspca_dev, n2, sizeof n2); +	} + +	i = 0; +	while (read_indexs[i] != 0x00) { +		test_byte = reg_r(gspca_dev, read_indexs[i]); +		PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", read_indexs[i], +		       test_byte); +		i++; +	} + +	sensor = &sensor_data[sd->sensor]; +	reg_w_buf(gspca_dev, sensor->n3, sizeof sensor->n3); +	reg_w_buf(gspca_dev, sensor->n4, sensor->n4sz); + +	if (sd->sensor == SENSOR_LT168G) { +		test_byte = reg_r(gspca_dev, 0x80); +		PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", 0x80, +		       test_byte); +		reg_w(gspca_dev, 0x6c80); +	} + +	reg_w_ixbuf(gspca_dev, 0xd0, sensor->data1, sizeof sensor->data1); +	reg_w_ixbuf(gspca_dev, 0xc7, sensor->data2, sizeof sensor->data2); +	reg_w_ixbuf(gspca_dev, 0xe0, sensor->data3, sizeof sensor->data3); + +	reg_w(gspca_dev, (sensor->reg80 << 8) + 0x80); +	reg_w(gspca_dev, (sensor->reg80 << 8) + 0x80); +	reg_w(gspca_dev, (sensor->reg8e << 8) + 0x8e); +	reg_w(gspca_dev, (0x20 << 8) + 0x87); +	reg_w(gspca_dev, (0x20 << 8) + 0x88); +	reg_w(gspca_dev, (0x20 << 8) + 0x89); + +	reg_w_buf(gspca_dev, sensor->data5, sizeof sensor->data5); +	reg_w_buf(gspca_dev, sensor->nset8, sizeof sensor->nset8); +	reg_w_buf(gspca_dev, sensor->stream, sizeof sensor->stream); + +	if (sd->sensor == SENSOR_LT168G) { +		test_byte = reg_r(gspca_dev, 0x80); +		PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", 0x80, +		       test_byte); +		reg_w(gspca_dev, 0x6c80); +	} + +	reg_w_ixbuf(gspca_dev, 0xd0, sensor->data1, sizeof sensor->data1); +	reg_w_ixbuf(gspca_dev, 0xc7, sensor->data2, sizeof sensor->data2); +	reg_w_ixbuf(gspca_dev, 0xe0, sensor->data3, sizeof sensor->data3); + +	return 0; +} + +static void setmirror(struct gspca_dev *gspca_dev, s32 val) +{ +	u8 hflipcmd[8] = +		{0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09}; + +	if (val) +		hflipcmd[3] = 0x01; + +	reg_w_buf(gspca_dev, hflipcmd, sizeof hflipcmd); +} + +static void seteffect(struct gspca_dev *gspca_dev, s32 val) +{ +	int idx = 0; + +	switch (val) { +	case V4L2_COLORFX_NONE: +		break; +	case V4L2_COLORFX_BW: +		idx = 2; +		break; +	case V4L2_COLORFX_SEPIA: +		idx = 3; +		break; +	case V4L2_COLORFX_SKETCH: +		idx = 4; +		break; +	case V4L2_COLORFX_NEGATIVE: +		idx = 6; +		break; +	default: +		break; +	} + +	reg_w_buf(gspca_dev, effects_table[idx], +				sizeof effects_table[0]); + +	if (val == V4L2_COLORFX_SKETCH) +		reg_w(gspca_dev, 0x4aa6); +	else +		reg_w(gspca_dev, 0xfaa6); +} + +/* Is this really needed? + * i added some module parameters for test with some users */ +static void poll_sensor(struct gspca_dev *gspca_dev) +{ +	static const u8 poll1[] = +		{0x67, 0x05, 0x68, 0x81, 0x69, 0x80, 0x6a, 0x82, +		 0x6b, 0x68, 0x6c, 0x69, 0x72, 0xd9, 0x73, 0x34, +		 0x74, 0x32, 0x75, 0x92, 0x76, 0x00, 0x09, 0x01, +		 0x60, 0x14}; +	static const u8 poll2[] = +		{0x67, 0x02, 0x68, 0x71, 0x69, 0x72, 0x72, 0xa9, +		 0x73, 0x02, 0x73, 0x02, 0x60, 0x14}; +	static const u8 noise03[] =	/* (some differences / ms-drv) */ +		{0xa6, 0x0a, 0xea, 0xcf, 0xbe, 0x26, 0xb1, 0x5f, +		 0xa1, 0xb1, 0xda, 0x6b, 0xdb, 0x98, 0xdf, 0x0c, +		 0xc2, 0x80, 0xc3, 0x10}; + +	PDEBUG(D_STREAM, "[Sensor requires polling]"); +	reg_w_buf(gspca_dev, poll1, sizeof poll1); +	reg_w_buf(gspca_dev, poll2, sizeof poll2); +	reg_w_buf(gspca_dev, noise03, sizeof noise03); +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ +	struct sd *sd = (struct sd *) gspca_dev; +	const struct additional_sensor_data *sensor; +	int i, mode; +	u8 t2[] = { 0x07, 0x00, 0x0d, 0x60, 0x0e, 0x80 }; +	static const u8 t3[] = +		{ 0x07, 0x00, 0x88, 0x02, 0x06, 0x00, 0xe7, 0x01 }; + +	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; +	switch (mode) { +	case 0:		/* 640x480 (0x00) */ +		break; +	case 1:		/* 352x288 */ +		t2[1] = 0x40; +		break; +	case 2:		/* 320x240 */ +		t2[1] = 0x10; +		break; +	case 3:		/* 176x144 */ +		t2[1] = 0x50; +		break; +	default: +/*	case 4:		 * 160x120 */ +		t2[1] = 0x20; +		break; +	} + +	switch (sd->sensor) { +	case SENSOR_OM6802: +		om6802_sensor_init(gspca_dev); +		break; +	case SENSOR_TAS5130A: +		i = 0; +		for (;;) { +			reg_w_buf(gspca_dev, tas5130a_sensor_init[i], +					 sizeof tas5130a_sensor_init[0]); +			if (i >= ARRAY_SIZE(tas5130a_sensor_init) - 1) +				break; +			i++; +		} +		reg_w(gspca_dev, 0x3c80); +		/* just in case and to keep sync with logs (for mine) */ +		reg_w_buf(gspca_dev, tas5130a_sensor_init[i], +				 sizeof tas5130a_sensor_init[0]); +		reg_w(gspca_dev, 0x3c80); +		break; +	} +	sensor = &sensor_data[sd->sensor]; +	setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq)); +	reg_r(gspca_dev, 0x0012); +	reg_w_buf(gspca_dev, t2, sizeof t2); +	reg_w_ixbuf(gspca_dev, 0xb3, t3, sizeof t3); +	reg_w(gspca_dev, 0x0013); +	msleep(15); +	reg_w_buf(gspca_dev, sensor->stream, sizeof sensor->stream); +	reg_w_buf(gspca_dev, sensor->stream, sizeof sensor->stream); + +	if (sd->sensor == SENSOR_OM6802) +		poll_sensor(gspca_dev); + +	return 0; +} + +static void sd_stopN(struct gspca_dev *gspca_dev) +{ +	struct sd *sd = (struct sd *) gspca_dev; + +	reg_w_buf(gspca_dev, sensor_data[sd->sensor].stream, +			sizeof sensor_data[sd->sensor].stream); +	reg_w_buf(gspca_dev, sensor_data[sd->sensor].stream, +			sizeof sensor_data[sd->sensor].stream); +	if (sd->sensor == SENSOR_OM6802) { +		msleep(20); +		reg_w(gspca_dev, 0x0309); +	} +#if IS_ENABLED(CONFIG_INPUT) +	/* If the last button state is pressed, release it now! */ +	if (sd->button_pressed) { +		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); +		input_sync(gspca_dev->input_dev); +		sd->button_pressed = 0; +	} +#endif +} + +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 pkt_type; + +	if (data[0] == 0x5a) { +#if IS_ENABLED(CONFIG_INPUT) +		if (len > 20) { +			u8 state = (data[20] & 0x80) ? 1 : 0; +			if (sd->button_pressed != state) { +				input_report_key(gspca_dev->input_dev, +						 KEY_CAMERA, state); +				input_sync(gspca_dev->input_dev); +				sd->button_pressed = state; +			} +		} +#endif +		/* Control Packet, after this came the header again, +		 * but extra bytes came in the packet before this, +		 * sometimes an EOF arrives, sometimes not... */ +		return; +	} +	data += 2; +	len -= 2; +	if (data[0] == 0xff && data[1] == 0xd8) +		pkt_type = FIRST_PACKET; +	else if (data[len - 2] == 0xff && data[len - 1] == 0xd9) +		pkt_type = LAST_PACKET; +	else +		pkt_type = INTER_PACKET; +	gspca_frame_add(gspca_dev, pkt_type, data, len); +} + +static int sd_g_volatile_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; +	s32 red_gain, blue_gain, green_gain; + +	gspca_dev->usb_err = 0; + +	switch (ctrl->id) { +	case V4L2_CID_AUTO_WHITE_BALANCE: +		red_gain = reg_r(gspca_dev, 0x0087); +		if (red_gain > 0x40) +			red_gain = 0x40; +		else if (red_gain < 0x10) +			red_gain = 0x10; + +		blue_gain = reg_r(gspca_dev, 0x0088); +		if (blue_gain > 0x40) +			blue_gain = 0x40; +		else if (blue_gain < 0x10) +			blue_gain = 0x10; + +		green_gain = reg_r(gspca_dev, 0x0089); +		if (green_gain > 0x40) +			green_gain = 0x40; +		else if (green_gain < 0x10) +			green_gain = 0x10; + +		sd->gain->val = green_gain; +		sd->red_balance->val = red_gain - green_gain; +		sd->blue_balance->val = blue_gain - green_gain; +		break; +	} +	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); + +	gspca_dev->usb_err = 0; + +	if (!gspca_dev->streaming) +		return 0; + +	switch (ctrl->id) { +	case V4L2_CID_BRIGHTNESS: +		setbrightness(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_CONTRAST: +		setcontrast(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_SATURATION: +		setcolors(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_GAMMA: +		setgamma(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_HFLIP: +		setmirror(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_SHARPNESS: +		setsharpness(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_POWER_LINE_FREQUENCY: +		setfreq(gspca_dev, ctrl->val); +		break; +	case V4L2_CID_BACKLIGHT_COMPENSATION: +		reg_w(gspca_dev, ctrl->val ? 0xf48e : 0xb48e); +		break; +	case V4L2_CID_AUTO_WHITE_BALANCE: +		setawb_n_RGB(gspca_dev); +		break; +	case V4L2_CID_COLORFX: +		seteffect(gspca_dev, ctrl->val); +		break; +	} +	return gspca_dev->usb_err; +} + +static const struct v4l2_ctrl_ops sd_ctrl_ops = { +	.g_volatile_ctrl = sd_g_volatile_ctrl, +	.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, 12); +	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_BRIGHTNESS, 0, 14, 1, 8); +	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_CONTRAST, 0, 0x0d, 1, 7); +	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_SATURATION, 0, 0xf, 1, 5); +	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_GAMMA, 0, GAMMA_MAX, 1, 10); +	/* Activate lowlight, some apps dont bring up the +	   backlight_compensation control) */ +	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_BACKLIGHT_COMPENSATION, 0, 1, 1, 1); +	if (sd->sensor == SENSOR_TAS5130A) +		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +				V4L2_CID_HFLIP, 0, 1, 1, 0); +	sd->awb = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); +	sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_GAIN, 0x10, 0x40, 1, 0x20); +	sd->blue_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_BLUE_BALANCE, -0x30, 0x30, 1, 0); +	sd->red_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_RED_BALANCE, -0x30, 0x30, 1, 0); +	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, +			V4L2_CID_SHARPNESS, 0, 15, 1, 6); +	v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, +			V4L2_CID_COLORFX, V4L2_COLORFX_SKETCH, +			~((1 << V4L2_COLORFX_NONE) | +			  (1 << V4L2_COLORFX_BW) | +			  (1 << V4L2_COLORFX_SEPIA) | +			  (1 << V4L2_COLORFX_SKETCH) | +			  (1 << V4L2_COLORFX_NEGATIVE)), +			V4L2_COLORFX_NONE); +	sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, +			V4L2_CID_POWER_LINE_FREQUENCY, +			V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1, +			V4L2_CID_POWER_LINE_FREQUENCY_50HZ); + +	if (hdl->error) { +		pr_err("Could not initialize controls\n"); +		return hdl->error; +	} + +	v4l2_ctrl_auto_cluster(4, &sd->awb, 0, true); + +	return 0; +} + +/* sub-driver description */ +static const struct sd_desc sd_desc = { +	.name = MODULE_NAME, +	.config = sd_config, +	.init = sd_init, +	.init_controls = sd_init_controls, +	.start = sd_start, +	.stopN = sd_stopN, +	.pkt_scan = sd_pkt_scan, +#if IS_ENABLED(CONFIG_INPUT) +	.other_input = 1, +#endif +}; + +/* -- module initialisation -- */ +static const struct usb_device_id device_table[] = { +	{USB_DEVICE(0x17a1, 0x0128)}, +	{} +}; +MODULE_DEVICE_TABLE(usb, device_table); + +/* -- device connect -- */ +static int sd_probe(struct usb_interface *intf, +		    const struct usb_device_id *id) +{ +	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), +			       THIS_MODULE); +} + +static struct usb_driver sd_driver = { +	.name = MODULE_NAME, +	.id_table = device_table, +	.probe = sd_probe, +	.disconnect = gspca_disconnect, +#ifdef CONFIG_PM +	.suspend = gspca_suspend, +	.resume = gspca_resume, +	.reset_resume = gspca_resume, +#endif +}; + +module_usb_driver(sd_driver);  | 
