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linux_dsm_epyc7002/drivers/media/usb/gspca/etoms.c
Thomas Gleixner 372e8ee96f treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 131 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Daniel M German <dmg@turingmachine.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190524100843.397682032@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:25:14 -07:00

783 lines
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004)
*
* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MODULE_NAME "etoms"
#include "gspca.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("Etoms USB Camera Driver");
MODULE_LICENSE("GPL");
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
unsigned char autogain;
char sensor;
#define SENSOR_PAS106 0
#define SENSOR_TAS5130CXX 1
signed char ag_cnt;
#define AG_CNT_START 13
};
static const struct v4l2_pix_format vga_mode[] = {
{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 320,
.sizeimage = 320 * 240,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
/* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 640,
.sizeimage = 640 * 480,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0}, */
};
static const struct v4l2_pix_format sif_mode[] = {
{176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 176,
.sizeimage = 176 * 144,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
{352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 352,
.sizeimage = 352 * 288,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
};
#define ETOMS_ALT_SIZE_1000 12
#define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */
#define ET_GPIO_OUT 0x05 /* Only IO data */
#define ET_GPIO_IN 0x06 /* Read Only IO data */
#define ET_RESET_ALL 0x03
#define ET_ClCK 0x01
#define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */
#define ET_COMP 0x12 /* Compression register */
#define ET_MAXQt 0x13
#define ET_MINQt 0x14
#define ET_COMP_VAL0 0x02
#define ET_COMP_VAL1 0x03
#define ET_REG1d 0x1d
#define ET_REG1e 0x1e
#define ET_REG1f 0x1f
#define ET_REG20 0x20
#define ET_REG21 0x21
#define ET_REG22 0x22
#define ET_REG23 0x23
#define ET_REG24 0x24
#define ET_REG25 0x25
/* base registers for luma calculation */
#define ET_LUMA_CENTER 0x39
#define ET_G_RED 0x4d
#define ET_G_GREEN1 0x4e
#define ET_G_BLUE 0x4f
#define ET_G_GREEN2 0x50
#define ET_G_GR_H 0x51
#define ET_G_GB_H 0x52
#define ET_O_RED 0x34
#define ET_O_GREEN1 0x35
#define ET_O_BLUE 0x36
#define ET_O_GREEN2 0x37
#define ET_SYNCHRO 0x68
#define ET_STARTX 0x69
#define ET_STARTY 0x6a
#define ET_WIDTH_LOW 0x6b
#define ET_HEIGTH_LOW 0x6c
#define ET_W_H_HEIGTH 0x6d
#define ET_REG6e 0x6e /* OBW */
#define ET_REG6f 0x6f /* OBW */
#define ET_REG70 0x70 /* OBW_AWB */
#define ET_REG71 0x71 /* OBW_AWB */
#define ET_REG72 0x72 /* OBW_AWB */
#define ET_REG73 0x73 /* Clkdelay ns */
#define ET_REG74 0x74 /* test pattern */
#define ET_REG75 0x75 /* test pattern */
#define ET_I2C_CLK 0x8c
#define ET_PXL_CLK 0x60
#define ET_I2C_BASE 0x89
#define ET_I2C_COUNT 0x8a
#define ET_I2C_PREFETCH 0x8b
#define ET_I2C_REG 0x88
#define ET_I2C_DATA7 0x87
#define ET_I2C_DATA6 0x86
#define ET_I2C_DATA5 0x85
#define ET_I2C_DATA4 0x84
#define ET_I2C_DATA3 0x83
#define ET_I2C_DATA2 0x82
#define ET_I2C_DATA1 0x81
#define ET_I2C_DATA0 0x80
#define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */
#define PAS106_REG3 0x03 /* line/frame H [11..4] */
#define PAS106_REG4 0x04 /* line/frame L [3..0] */
#define PAS106_REG5 0x05 /* exposure time line offset(default 5) */
#define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */
#define PAS106_REG7 0x07 /* signbit Dac (default 0) */
#define PAS106_REG9 0x09
#define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */
#define PAS106_REG13 0x13 /* end i2c write */
static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d };
static const __u8 I2c3[] = { 0x12, 0x05 };
static const __u8 I2c4[] = { 0x41, 0x08 };
/* read 'len' bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
__u16 index,
__u16 len)
{
struct usb_device *dev = gspca_dev->dev;
if (len > USB_BUF_SZ) {
gspca_err(gspca_dev, "reg_r: buffer overflow\n");
return;
}
usb_control_msg(dev,
usb_rcvctrlpipe(dev, 0),
0,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
0,
index, gspca_dev->usb_buf, len, 500);
gspca_dbg(gspca_dev, D_USBI, "reg read [%02x] -> %02x ..\n",
index, gspca_dev->usb_buf[0]);
}
static void reg_w_val(struct gspca_dev *gspca_dev,
__u16 index,
__u8 val)
{
struct usb_device *dev = gspca_dev->dev;
gspca_dev->usb_buf[0] = val;
usb_control_msg(dev,
usb_sndctrlpipe(dev, 0),
0,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
0,
index, gspca_dev->usb_buf, 1, 500);
}
static void reg_w(struct gspca_dev *gspca_dev,
__u16 index,
const __u8 *buffer,
__u16 len)
{
struct usb_device *dev = gspca_dev->dev;
if (len > USB_BUF_SZ) {
pr_err("reg_w: buffer overflow\n");
return;
}
gspca_dbg(gspca_dev, D_USBO, "reg write [%02x] = %02x..\n",
index, *buffer);
memcpy(gspca_dev->usb_buf, buffer, len);
usb_control_msg(dev,
usb_sndctrlpipe(dev, 0),
0,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
0, index, gspca_dev->usb_buf, len, 500);
}
static int i2c_w(struct gspca_dev *gspca_dev,
__u8 reg,
const __u8 *buffer,
int len, __u8 mode)
{
/* buffer should be [D0..D7] */
__u8 ptchcount;
/* set the base address */
reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
/* sensor base for the pas106 */
/* set count and prefetch */
ptchcount = ((len & 0x07) << 4) | (mode & 0x03);
reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount);
/* set the register base */
reg_w_val(gspca_dev, ET_I2C_REG, reg);
while (--len >= 0)
reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]);
return 0;
}
static int i2c_r(struct gspca_dev *gspca_dev,
__u8 reg)
{
/* set the base address */
reg_w_val(gspca_dev, ET_I2C_BASE, 0x40);
/* sensor base for the pas106 */
/* set count and prefetch (cnd: 4 bits - mode: 4 bits) */
reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11);
reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */
reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */
reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00);
reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */
return 0;
}
static int Et_WaitStatus(struct gspca_dev *gspca_dev)
{
int retry = 10;
while (retry--) {
reg_r(gspca_dev, ET_ClCK, 1);
if (gspca_dev->usb_buf[0] != 0)
return 1;
}
return 0;
}
static int et_video(struct gspca_dev *gspca_dev,
int on)
{
int ret;
reg_w_val(gspca_dev, ET_GPIO_OUT,
on ? 0x10 /* startvideo - set Bit5 */
: 0); /* stopvideo */
ret = Et_WaitStatus(gspca_dev);
if (ret != 0)
gspca_err(gspca_dev, "timeout video on/off\n");
return ret;
}
static void Et_init2(struct gspca_dev *gspca_dev)
{
__u8 value;
static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
gspca_dbg(gspca_dev, D_STREAM, "Open Init2 ET\n");
reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f);
reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10);
reg_r(gspca_dev, ET_GPIO_IN, 1);
reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */
reg_w_val(gspca_dev, ET_CTRL, 0x1b);
/* compression et subsampling */
if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
value = ET_COMP_VAL1; /* 320 */
else
value = ET_COMP_VAL0; /* 640 */
reg_w_val(gspca_dev, ET_COMP, value);
reg_w_val(gspca_dev, ET_MAXQt, 0x1f);
reg_w_val(gspca_dev, ET_MINQt, 0x04);
/* undocumented registers */
reg_w_val(gspca_dev, ET_REG1d, 0xff);
reg_w_val(gspca_dev, ET_REG1e, 0xff);
reg_w_val(gspca_dev, ET_REG1f, 0xff);
reg_w_val(gspca_dev, ET_REG20, 0x35);
reg_w_val(gspca_dev, ET_REG21, 0x01);
reg_w_val(gspca_dev, ET_REG22, 0x00);
reg_w_val(gspca_dev, ET_REG23, 0xff);
reg_w_val(gspca_dev, ET_REG24, 0xff);
reg_w_val(gspca_dev, ET_REG25, 0x0f);
/* colors setting */
reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */
reg_w_val(gspca_dev, 0x31, 0x40);
reg_w_val(gspca_dev, 0x32, 0x00);
reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */
reg_w_val(gspca_dev, ET_O_GREEN1, 0x00);
reg_w_val(gspca_dev, ET_O_BLUE, 0x00);
reg_w_val(gspca_dev, ET_O_GREEN2, 0x00);
/*************/
reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */
reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */
/* Window control registers */
reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */
reg_w_val(gspca_dev, 0x62, 0x02);
reg_w_val(gspca_dev, 0x63, 0x03);
reg_w_val(gspca_dev, 0x64, 0x14);
reg_w_val(gspca_dev, 0x65, 0x0e);
reg_w_val(gspca_dev, 0x66, 0x02);
reg_w_val(gspca_dev, 0x67, 0x02);
/**************************************/
reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */
reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */
reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */
reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80);
reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0);
reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */
reg_w_val(gspca_dev, ET_REG6e, 0x86);
reg_w_val(gspca_dev, ET_REG6f, 0x01);
reg_w_val(gspca_dev, ET_REG70, 0x26);
reg_w_val(gspca_dev, ET_REG71, 0x7a);
reg_w_val(gspca_dev, ET_REG72, 0x01);
/* Clock Pattern registers ***************** */
reg_w_val(gspca_dev, ET_REG73, 0x00);
reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */
reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */
/**********************************************/
reg_w_val(gspca_dev, 0x8a, 0x20);
reg_w_val(gspca_dev, 0x8d, 0x0f);
reg_w_val(gspca_dev, 0x8e, 0x08);
/**************************************/
reg_w_val(gspca_dev, 0x03, 0x08);
reg_w_val(gspca_dev, ET_PXL_CLK, 0x03);
reg_w_val(gspca_dev, 0x81, 0xff);
reg_w_val(gspca_dev, 0x80, 0x00);
reg_w_val(gspca_dev, 0x81, 0xff);
reg_w_val(gspca_dev, 0x80, 0x20);
reg_w_val(gspca_dev, 0x03, 0x01);
reg_w_val(gspca_dev, 0x03, 0x00);
reg_w_val(gspca_dev, 0x03, 0x08);
/********************************************/
/* reg_r(gspca_dev, ET_I2C_BASE, 1);
always 0x40 as the pas106 ??? */
/* set the sensor */
if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
value = 0x04; /* 320 */
else /* 640 */
value = 0x1e; /* 0x17 * setting PixelClock
* 0x03 mean 24/(3+1) = 6 Mhz
* 0x05 -> 24/(5+1) = 4 Mhz
* 0x0b -> 24/(11+1) = 2 Mhz
* 0x17 -> 24/(23+1) = 1 Mhz
*/
reg_w_val(gspca_dev, ET_PXL_CLK, value);
/* now set by fifo the FormatLine setting */
reg_w(gspca_dev, 0x62, FormLine, 6);
/* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */
reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */
reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */
/* Pedro change */
/* Brightness change Brith+ decrease value */
/* Brigth- increase value */
/* original value = 0x70; */
reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */
reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */
}
static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
{
int i;
for (i = 0; i < 4; i++)
reg_w_val(gspca_dev, ET_O_RED + i, val);
}
static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
{
__u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
memset(RGBG, val, sizeof(RGBG) - 2);
reg_w(gspca_dev, ET_G_RED, RGBG, 6);
}
static void setcolors(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d };
__u8 i2cflags = 0x01;
/* __u8 green = 0; */
I2cc[3] = val; /* red */
I2cc[0] = 15 - val; /* blue */
/* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */
/* I2cc[1] = I2cc[2] = green; */
if (sd->sensor == SENSOR_PAS106) {
i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1);
}
}
static s32 getcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->sensor == SENSOR_PAS106) {
/* i2c_r(gspca_dev, PAS106_REG9); * blue */
i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */
return gspca_dev->usb_buf[0] & 0x0f;
}
return 0;
}
static void setautogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->autogain)
sd->ag_cnt = AG_CNT_START;
else
sd->ag_cnt = -1;
}
static void Et_init1(struct gspca_dev *gspca_dev)
{
__u8 value;
/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */
__u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 };
/* try 1/120 0x6d 0xcd 0x40 */
/* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00};
* 1/60000 hmm ?? */
gspca_dbg(gspca_dev, D_STREAM, "Open Init1 ET\n\n");
reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7);
reg_r(gspca_dev, ET_GPIO_IN, 1);
reg_w_val(gspca_dev, ET_RESET_ALL, 1);
reg_w_val(gspca_dev, ET_RESET_ALL, 0);
reg_w_val(gspca_dev, ET_ClCK, 0x10);
reg_w_val(gspca_dev, ET_CTRL, 0x19);
/* compression et subsampling */
if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv)
value = ET_COMP_VAL1;
else
value = ET_COMP_VAL0;
gspca_dbg(gspca_dev, D_STREAM, "Open mode %d Compression %d\n",
gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv,
value);
reg_w_val(gspca_dev, ET_COMP, value);
reg_w_val(gspca_dev, ET_MAXQt, 0x1d);
reg_w_val(gspca_dev, ET_MINQt, 0x02);
/* undocumented registers */
reg_w_val(gspca_dev, ET_REG1d, 0xff);
reg_w_val(gspca_dev, ET_REG1e, 0xff);
reg_w_val(gspca_dev, ET_REG1f, 0xff);
reg_w_val(gspca_dev, ET_REG20, 0x35);
reg_w_val(gspca_dev, ET_REG21, 0x01);
reg_w_val(gspca_dev, ET_REG22, 0x00);
reg_w_val(gspca_dev, ET_REG23, 0xf7);
reg_w_val(gspca_dev, ET_REG24, 0xff);
reg_w_val(gspca_dev, ET_REG25, 0x07);
/* colors setting */
reg_w_val(gspca_dev, ET_G_RED, 0x80);
reg_w_val(gspca_dev, ET_G_GREEN1, 0x80);
reg_w_val(gspca_dev, ET_G_BLUE, 0x80);
reg_w_val(gspca_dev, ET_G_GREEN2, 0x80);
reg_w_val(gspca_dev, ET_G_GR_H, 0x00);
reg_w_val(gspca_dev, ET_G_GB_H, 0x00);
/* Window control registers */
reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0);
reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */
reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */
reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60);
reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20);
reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50);
reg_w_val(gspca_dev, ET_REG6e, 0x86);
reg_w_val(gspca_dev, ET_REG6f, 0x01);
reg_w_val(gspca_dev, ET_REG70, 0x86);
reg_w_val(gspca_dev, ET_REG71, 0x14);
reg_w_val(gspca_dev, ET_REG72, 0x00);
/* Clock Pattern registers */
reg_w_val(gspca_dev, ET_REG73, 0x00);
reg_w_val(gspca_dev, ET_REG74, 0x00);
reg_w_val(gspca_dev, ET_REG75, 0x0a);
reg_w_val(gspca_dev, ET_I2C_CLK, 0x04);
reg_w_val(gspca_dev, ET_PXL_CLK, 0x01);
/* set the sensor */
if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
I2c0[0] = 0x06;
i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
value = 0x06;
i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
/* value = 0x1f; */
value = 0x04;
i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
} else {
I2c0[0] = 0x0a;
i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1);
i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1);
value = 0x0a;
i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1);
i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1);
value = 0x04;
/* value = 0x10; */
i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1);
/* bit 2 enable bit 1:2 select 0 1 2 3
value = 0x07; * curve 0 *
i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1);
*/
}
/* value = 0x01; */
/* value = 0x22; */
/* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */
/* magnetude and sign bit for DAC */
i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1);
/* now set by fifo the whole colors setting */
reg_w(gspca_dev, ET_G_RED, GainRGBG, 6);
setcolors(gspca_dev, getcolors(gspca_dev));
}
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
cam = &gspca_dev->cam;
sd->sensor = id->driver_info;
if (sd->sensor == SENSOR_PAS106) {
cam->cam_mode = sif_mode;
cam->nmodes = ARRAY_SIZE(sif_mode);
} else {
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
}
sd->ag_cnt = -1;
return 0;
}
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->sensor == SENSOR_PAS106)
Et_init1(gspca_dev);
else
Et_init2(gspca_dev);
reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
et_video(gspca_dev, 0); /* video off */
return 0;
}
/* -- start the camera -- */
static int sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->sensor == SENSOR_PAS106)
Et_init1(gspca_dev);
else
Et_init2(gspca_dev);
setautogain(gspca_dev);
reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
et_video(gspca_dev, 1); /* video on */
return 0;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
et_video(gspca_dev, 0); /* video off */
}
static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->sensor == SENSOR_PAS106) {
i2c_r(gspca_dev, PAS106_REG0e);
gspca_dbg(gspca_dev, D_CONF, "Etoms gain G %d\n",
gspca_dev->usb_buf[0]);
return gspca_dev->usb_buf[0];
}
return 0x1f;
}
static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->sensor == SENSOR_PAS106) {
__u8 i2cflags = 0x01;
i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3);
i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1);
}
}
#define BLIMIT(bright) \
(u8)((bright > 0x1f) ? 0x1f : ((bright < 4) ? 3 : bright))
#define LIMIT(color) \
(u8)((color > 0xff) ? 0xff : ((color < 0) ? 0 : color))
static void do_autogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 luma;
__u8 luma_mean = 128;
__u8 luma_delta = 20;
__u8 spring = 4;
int Gbright;
__u8 r, g, b;
if (sd->ag_cnt < 0)
return;
if (--sd->ag_cnt >= 0)
return;
sd->ag_cnt = AG_CNT_START;
Gbright = Et_getgainG(gspca_dev);
reg_r(gspca_dev, ET_LUMA_CENTER, 4);
g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1;
r = gspca_dev->usb_buf[1];
b = gspca_dev->usb_buf[2];
r = ((r << 8) - (r << 4) - (r << 3)) >> 10;
b = ((b << 7) >> 10);
g = ((g << 9) + (g << 7) + (g << 5)) >> 10;
luma = LIMIT(r + g + b);
gspca_dbg(gspca_dev, D_FRAM, "Etoms luma G %d\n", luma);
if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
Gbright += (luma_mean - luma) >> spring;
Gbright = BLIMIT(Gbright);
gspca_dbg(gspca_dev, D_FRAM, "Etoms Gbright %d\n", Gbright);
Et_setgainG(gspca_dev, (__u8) Gbright);
}
}
#undef BLIMIT
#undef LIMIT
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
{
int seqframe;
seqframe = data[0] & 0x3f;
len = (int) (((data[0] & 0xc0) << 2) | data[1]);
if (seqframe == 0x3f) {
gspca_dbg(gspca_dev, D_FRAM,
"header packet found datalength %d !!\n", len);
gspca_dbg(gspca_dev, D_FRAM, "G %d R %d G %d B %d",
data[2], data[3], data[4], data[5]);
data += 30;
/* don't change datalength as the chips provided it */
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
return;
}
if (len) {
data += 8;
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
} else { /* Drop Packet */
gspca_dev->last_packet_type = DISCARD_PACKET;
}
}
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) {
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_AUTOGAIN:
sd->autogain = ctrl->val;
setautogain(gspca_dev);
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, 4);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 1, 127, 1, 63);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 255, 1, 127);
if (sd->sensor == SENSOR_PAS106)
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SATURATION, 0, 15, 1, 7);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
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,
.dq_callback = do_autogain,
};
/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106},
{USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX},
{}
};
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);
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