V4L/DVB (10048): gspca - stv06xx: New subdriver.

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.h b/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.h
new file mode 100644
index 0000000..9c7279a
--- /dev/null
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.h
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
+ *		      Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
+ * Copyright (c) 2002, 2003 Tuukka Toivonen
+ * Copyright (c) 2008 Erik Andrén
+ * Copyright (c) 2008 Chia-I Wu
+ *
+ * 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
+ * (at your option) 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
+ *
+ * P/N 861037:      Sensor HDCS1000        ASIC STV0600
+ * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
+ * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
+ * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
+ * P/N 861075-0040: Sensor HDCS1000        ASIC
+ * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
+ * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
+ */
+
+#ifndef STV06XX_HDCS_H_
+#define STV06XX_HDCS_H_
+
+#include "stv06xx_sensor.h"
+
+#define HDCS_REG_CONFIG(sd)	(IS_1020(sd) ? HDCS20_CONFIG : HDCS00_CONFIG)
+#define HDCS_REG_CONTROL(sd)	(IS_1020(sd) ? HDCS20_CONTROL : HDCS00_CONTROL)
+
+#define HDCS_1X00_DEF_WIDTH	360
+#define HDCS_1X00_DEF_HEIGHT 	296
+
+#define HDCS_1020_DEF_WIDTH	352
+#define HDCS_1020_DEF_HEIGHT	292
+
+#define HDCS_1020_BOTTOM_Y_SKIP	4
+
+#define HDCS_CLK_FREQ_MHZ	25
+
+#define HDCS_ADC_START_SIG_DUR	3
+
+/* LSB bit of I2C or register address signifies write (0) or read (1) */
+/* I2C Registers common for both HDCS-1000/1100 and HDCS-1020 */
+/* Identifications Register */
+#define HDCS_IDENT		(0x00 << 1)
+/* Status Register */
+#define HDCS_STATUS		(0x01 << 1)
+/* Interrupt Mask Register */
+#define HDCS_IMASK		(0x02 << 1)
+/* Pad Control Register */
+#define HDCS_PCTRL		(0x03 << 1)
+/* Pad Drive Control Register */
+#define HDCS_PDRV		(0x04 << 1)
+/* Interface Control Register */
+#define HDCS_ICTRL		(0x05 << 1)
+/* Interface Timing Register */
+#define HDCS_ITMG		(0x06 << 1)
+/* Baud Fraction Register */
+#define HDCS_BFRAC		(0x07 << 1)
+/* Baud Rate Register */
+#define HDCS_BRATE		(0x08 << 1)
+/* ADC Control Register */
+#define HDCS_ADCCTRL		(0x09 << 1)
+/* First Window Row Register */
+#define HDCS_FWROW		(0x0a << 1)
+/* First Window Column Register */
+#define HDCS_FWCOL		(0x0b << 1)
+/* Last Window Row Register */
+#define HDCS_LWROW		(0x0c << 1)
+/* Last Window Column Register */
+#define HDCS_LWCOL		(0x0d << 1)
+/* Timing Control Register */
+#define HDCS_TCTRL		(0x0e << 1)
+/* PGA Gain Register: Even Row, Even Column */
+#define HDCS_ERECPGA		(0x0f << 1)
+/* PGA Gain Register: Even Row, Odd Column */
+#define HDCS_EROCPGA		(0x10 << 1)
+/* PGA Gain Register: Odd Row, Even Column */
+#define HDCS_ORECPGA		(0x11 << 1)
+/* PGA Gain Register: Odd Row, Odd Column */
+#define HDCS_OROCPGA		(0x12 << 1)
+/* Row Exposure Low Register */
+#define HDCS_ROWEXPL		(0x13 << 1)
+/* Row Exposure High Register */
+#define HDCS_ROWEXPH		(0x14 << 1)
+
+/* I2C Registers only for HDCS-1000/1100 */
+/* Sub-Row Exposure Low Register */
+#define HDCS00_SROWEXPL		(0x15 << 1)
+/* Sub-Row Exposure High Register */
+#define HDCS00_SROWEXPH		(0x16 << 1)
+/* Configuration Register */
+#define HDCS00_CONFIG		(0x17 << 1)
+/* Control Register */
+#define HDCS00_CONTROL		(0x18 << 1)
+
+/* I2C Registers only for HDCS-1020 */
+/* Sub-Row Exposure Register */
+#define HDCS20_SROWEXP		(0x15 << 1)
+/* Error Control Register */
+#define HDCS20_ERROR		(0x16 << 1)
+/* Interface Timing 2 Register */
+#define HDCS20_ITMG2		(0x17 << 1)
+/* Interface Control 2 Register	*/
+#define HDCS20_ICTRL2		(0x18 << 1)
+/* Horizontal Blank Register */
+#define HDCS20_HBLANK		(0x19 << 1)
+/* Vertical Blank Register */
+#define HDCS20_VBLANK		(0x1a << 1)
+/* Configuration Register */
+#define HDCS20_CONFIG		(0x1b << 1)
+/* Control Register */
+#define HDCS20_CONTROL		(0x1c << 1)
+
+#define HDCS_RUN_ENABLE		(1 << 2)
+#define HDCS_SLEEP_MODE		(1 << 1)
+
+#define HDCS_DEFAULT_EXPOSURE	5000
+#define HDCS_DEFAULT_GAIN	128
+
+static int hdcs_probe_1x00(struct sd *sd);
+static int hdcs_probe_1020(struct sd *sd);
+static int hdcs_start(struct sd *sd);
+static int hdcs_init(struct sd *sd);
+static int hdcs_stop(struct sd *sd);
+static int hdcs_dump(struct sd *sd);
+static void hdcs_disconnect(struct sd *sd);
+
+static int hdcs_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
+static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
+static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val);
+static int hdcs_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
+
+const struct stv06xx_sensor stv06xx_sensor_hdcs1x00 = {
+	.name = "HP HDCS-1000/1100",
+	.i2c_flush = 0,
+	.i2c_addr = (0x55 << 1),
+	.i2c_len = 1,
+
+	.init = hdcs_init,
+	.probe = hdcs_probe_1x00,
+	.start = hdcs_start,
+	.stop = hdcs_stop,
+	.disconnect = hdcs_disconnect,
+	.dump = hdcs_dump,
+
+	.nctrls = 2,
+	.ctrls = {
+	{
+		{
+			.id		= V4L2_CID_EXPOSURE,
+			.type		= V4L2_CTRL_TYPE_INTEGER,
+			.name		= "exposure",
+			.minimum	= 0x00,
+			.maximum	= 0xffff,
+			.step		= 0x1,
+			.default_value 	= HDCS_DEFAULT_EXPOSURE,
+			.flags         	= V4L2_CTRL_FLAG_SLIDER
+		},
+		.set = hdcs_set_exposure,
+		.get = hdcs_get_exposure
+	},
+	{
+		{
+			.id		= V4L2_CID_GAIN,
+			.type		= V4L2_CTRL_TYPE_INTEGER,
+			.name		= "gain",
+			.minimum	= 0x00,
+			.maximum	= 0xff,
+			.step		= 0x1,
+			.default_value 	= HDCS_DEFAULT_GAIN,
+			.flags         	= V4L2_CTRL_FLAG_SLIDER
+		},
+		.set = hdcs_set_gain,
+		.get = hdcs_get_gain
+	}
+	},
+
+	.nmodes = 1,
+	.modes = {
+	{
+		HDCS_1X00_DEF_WIDTH,
+		HDCS_1X00_DEF_HEIGHT,
+		V4L2_PIX_FMT_SBGGR8,
+		V4L2_FIELD_NONE,
+		.sizeimage =
+			HDCS_1X00_DEF_WIDTH * HDCS_1X00_DEF_HEIGHT,
+		.bytesperline = HDCS_1X00_DEF_WIDTH,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.priv = 1
+	}
+	}
+};
+
+const struct stv06xx_sensor stv06xx_sensor_hdcs1020 = {
+	.name = "HDCS-1020",
+	.i2c_flush = 0,
+	.i2c_addr = (0x55 << 1),
+	.i2c_len = 1,
+
+	.nctrls = 0,
+	.ctrls = {},
+
+	.init = hdcs_init,
+	.probe = hdcs_probe_1020,
+	.start = hdcs_start,
+	.stop = hdcs_stop,
+	.dump = hdcs_dump,
+
+	.nmodes = 1,
+	.modes = {
+	{
+		HDCS_1020_DEF_WIDTH,
+		HDCS_1020_DEF_HEIGHT,
+		V4L2_PIX_FMT_SBGGR8,
+		V4L2_FIELD_NONE,
+		.sizeimage =
+			HDCS_1020_DEF_WIDTH * HDCS_1020_DEF_HEIGHT,
+		.bytesperline = HDCS_1020_DEF_WIDTH,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.priv = 1
+	}
+	}
+};
+
+static const u16 stv_bridge_init[][2] = {
+	{STV_ISO_ENABLE, 0},
+	{STV_REG23, 0},
+	{STV_REG00, 0x1d},
+	{STV_REG01, 0xb5},
+	{STV_REG02, 0xa8},
+	{STV_REG03, 0x95},
+	{STV_REG04, 0x07},
+
+	{STV_SCAN_RATE, 0x20},
+	{STV_ISO_SIZE_L, 847},
+	{STV_Y_CTRL, 0x01},
+	{STV_X_CTRL, 0x0a}
+};
+
+static const u8 stv_sensor_init[][2] = {
+	/* Clear status (writing 1 will clear the corresponding status bit) */
+	{HDCS_STATUS, BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
+	/* Disable all interrupts */
+	{HDCS_IMASK, 0x00},
+	{HDCS_PCTRL, BIT(6) | BIT(5) | BIT(1) | BIT(0)},
+	{HDCS_PDRV,  0x00},
+	{HDCS_ICTRL, BIT(5)},
+	{HDCS_ITMG,  BIT(4) | BIT(1)},
+	/* ADC output resolution to 10 bits */
+	{HDCS_ADCCTRL, 10}
+};
+
+#endif