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path: root/drivers/media/usb/gspca/etoms.c
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Diffstat (limited to 'drivers/media/usb/gspca/etoms.c')
-rw-r--r--drivers/media/usb/gspca/etoms.c795
1 files changed, 795 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/etoms.c b/drivers/media/usb/gspca/etoms.c
new file mode 100644
index 000000000..26c9ee1f1
--- /dev/null
+++ b/drivers/media/usb/gspca/etoms.c
@@ -0,0 +1,795 @@
+/*
+ * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004)
+ *
+ * V4L2 by 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
+ */
+
+#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) {
+ PERR("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);
+ PDEBUG(D_USBI, "reg read [%02x] -> %02x ..",
+ 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;
+ }
+ PDEBUG(D_USBO, "reg write [%02x] = %02x..", 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)
+ PERR("timeout video on/off");
+ return ret;
+}
+
+static void Et_init2(struct gspca_dev *gspca_dev)
+{
+ __u8 value;
+ static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 };
+
+ PDEBUG(D_STREAM, "Open Init2 ET");
+ 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);
+ }
+/* PDEBUG(D_CONF , "Etoms red %d blue %d green %d",
+ I2cc[3], I2cc[0], green); */
+}
+
+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 ?? */
+
+ PDEBUG(D_STREAM, "Open Init1 ET");
+ 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;
+ PDEBUG(D_STREAM, "Open mode %d Compression %d",
+ 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);
+ PDEBUG(D_CONF, "Etoms gain G %d", 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);
+ PDEBUG(D_FRAM, "Etoms luma G %d", luma);
+ if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
+ Gbright += (luma_mean - luma) >> spring;
+ Gbright = BLIMIT(Gbright);
+ PDEBUG(D_FRAM, "Etoms Gbright %d", 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) {
+ PDEBUG(D_FRAM,
+ "header packet found datalength %d !!", len);
+ PDEBUG(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);