[media] rename most media/video usb drivers to media/usb

Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 488 insertions, 0 deletions

diff --git a/drivers/media/usb/gspca/m5602/m5602_ov7660.c b/drivers/media/usb/gspca/m5602/m5602_ov7660.c
new file mode 100644
index 000000000000..9a14835c128f
--- /dev/null
+++ b/drivers/media/usb/gspca/m5602/m5602_ov7660.c
@@ -0,0 +1,488 @@
+/*
+ * Driver for the ov7660 sensor
+ *
+ * Copyright (C) 2009 Erik Andrén
+ * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
+ * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
+ *
+ * Portions of code to USB interface and ALi driver software,
+ * Copyright (c) 2006 Willem Duinker
+ * v4l2 interface modeled after the V4L2 driver
+ * for SN9C10x PC Camera Controllers
+ *
+ * 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, version 2.
+ *
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "m5602_ov7660.h"
+
+static int ov7660_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_auto_white_balance(struct gspca_dev *gspca_dev,
+					 __s32 *val);
+static int ov7660_set_auto_white_balance(struct gspca_dev *gspca_dev,
+					 __s32 val);
+static int ov7660_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_auto_exposure(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
+
+static const struct ctrl ov7660_ctrls[] = {
+#define GAIN_IDX 1
+	{
+		{
+			.id		= V4L2_CID_GAIN,
+			.type		= V4L2_CTRL_TYPE_INTEGER,
+			.name		= "gain",
+			.minimum	= 0x00,
+			.maximum	= 0xff,
+			.step		= 0x1,
+			.default_value	= OV7660_DEFAULT_GAIN,
+			.flags		= V4L2_CTRL_FLAG_SLIDER
+		},
+		.set = ov7660_set_gain,
+		.get = ov7660_get_gain
+	},
+#define BLUE_BALANCE_IDX 2
+#define RED_BALANCE_IDX 3
+#define AUTO_WHITE_BALANCE_IDX 4
+	{
+		{
+			.id		= V4L2_CID_AUTO_WHITE_BALANCE,
+			.type		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name		= "auto white balance",
+			.minimum	= 0,
+			.maximum	= 1,
+			.step		= 1,
+			.default_value	= 1
+		},
+		.set = ov7660_set_auto_white_balance,
+		.get = ov7660_get_auto_white_balance
+	},
+#define AUTO_GAIN_CTRL_IDX 5
+	{
+		{
+			.id		= V4L2_CID_AUTOGAIN,
+			.type		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name		= "auto gain control",
+			.minimum	= 0,
+			.maximum	= 1,
+			.step		= 1,
+			.default_value	= 1
+		},
+		.set = ov7660_set_auto_gain,
+		.get = ov7660_get_auto_gain
+	},
+#define AUTO_EXPOSURE_IDX 6
+	{
+		{
+			.id		= V4L2_CID_EXPOSURE_AUTO,
+			.type		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name		= "auto exposure",
+			.minimum	= 0,
+			.maximum	= 1,
+			.step		= 1,
+			.default_value	= 1
+		},
+		.set = ov7660_set_auto_exposure,
+		.get = ov7660_get_auto_exposure
+	},
+#define HFLIP_IDX 7
+	{
+		{
+			.id		= V4L2_CID_HFLIP,
+			.type		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name		= "horizontal flip",
+			.minimum	= 0,
+			.maximum	= 1,
+			.step		= 1,
+			.default_value	= 0
+		},
+		.set = ov7660_set_hflip,
+		.get = ov7660_get_hflip
+	},
+#define VFLIP_IDX 8
+	{
+		{
+			.id		= V4L2_CID_VFLIP,
+			.type		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name		= "vertical flip",
+			.minimum	= 0,
+			.maximum	= 1,
+			.step		= 1,
+			.default_value	= 0
+		},
+		.set = ov7660_set_vflip,
+		.get = ov7660_get_vflip
+	},
+
+};
+
+static struct v4l2_pix_format ov7660_modes[] = {
+	{
+		640,
+		480,
+		V4L2_PIX_FMT_SBGGR8,
+		V4L2_FIELD_NONE,
+		.sizeimage =
+			640 * 480,
+		.bytesperline = 640,
+		.colorspace = V4L2_COLORSPACE_SRGB,
+		.priv = 0
+	}
+};
+
+static void ov7660_dump_registers(struct sd *sd);
+
+int ov7660_probe(struct sd *sd)
+{
+	int err = 0, i;
+	u8 prod_id = 0, ver_id = 0;
+
+	s32 *sensor_settings;
+
+	if (force_sensor) {
+		if (force_sensor == OV7660_SENSOR) {
+			pr_info("Forcing an %s sensor\n", ov7660.name);
+			goto sensor_found;
+		}
+		/* If we want to force another sensor,
+		don't try to probe this one */
+		return -ENODEV;
+	}
+
+	/* Do the preinit */
+	for (i = 0; i < ARRAY_SIZE(preinit_ov7660) && !err; i++) {
+		u8 data[2];
+
+		if (preinit_ov7660[i][0] == BRIDGE) {
+			err = m5602_write_bridge(sd,
+				preinit_ov7660[i][1],
+				preinit_ov7660[i][2]);
+		} else {
+			data[0] = preinit_ov7660[i][2];
+			err = m5602_write_sensor(sd,
+				preinit_ov7660[i][1], data, 1);
+		}
+	}
+	if (err < 0)
+		return err;
+
+	if (m5602_read_sensor(sd, OV7660_PID, &prod_id, 1))
+		return -ENODEV;
+
+	if (m5602_read_sensor(sd, OV7660_VER, &ver_id, 1))
+		return -ENODEV;
+
+	pr_info("Sensor reported 0x%x%x\n", prod_id, ver_id);
+
+	if ((prod_id == 0x76) && (ver_id == 0x60)) {
+		pr_info("Detected a ov7660 sensor\n");
+		goto sensor_found;
+	}
+	return -ENODEV;
+
+sensor_found:
+	sensor_settings = kmalloc(
+		ARRAY_SIZE(ov7660_ctrls) * sizeof(s32), GFP_KERNEL);
+	if (!sensor_settings)
+		return -ENOMEM;
+
+	sd->gspca_dev.cam.cam_mode = ov7660_modes;
+	sd->gspca_dev.cam.nmodes = ARRAY_SIZE(ov7660_modes);
+	sd->desc->ctrls = ov7660_ctrls;
+	sd->desc->nctrls = ARRAY_SIZE(ov7660_ctrls);
+
+	for (i = 0; i < ARRAY_SIZE(ov7660_ctrls); i++)
+		sensor_settings[i] = ov7660_ctrls[i].qctrl.default_value;
+	sd->sensor_priv = sensor_settings;
+
+	return 0;
+}
+
+int ov7660_init(struct sd *sd)
+{
+	int i, err = 0;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	/* Init the sensor */
+	for (i = 0; i < ARRAY_SIZE(init_ov7660); i++) {
+		u8 data[2];
+
+		if (init_ov7660[i][0] == BRIDGE) {
+			err = m5602_write_bridge(sd,
+				init_ov7660[i][1],
+				init_ov7660[i][2]);
+		} else {
+			data[0] = init_ov7660[i][2];
+			err = m5602_write_sensor(sd,
+				init_ov7660[i][1], data, 1);
+		}
+	}
+
+	if (dump_sensor)
+		ov7660_dump_registers(sd);
+
+	err = ov7660_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
+	if (err < 0)
+		return err;
+
+	err = ov7660_set_auto_white_balance(&sd->gspca_dev,
+		sensor_settings[AUTO_WHITE_BALANCE_IDX]);
+	if (err < 0)
+		return err;
+
+	err = ov7660_set_auto_gain(&sd->gspca_dev,
+		sensor_settings[AUTO_GAIN_CTRL_IDX]);
+	if (err < 0)
+		return err;
+
+	err = ov7660_set_auto_exposure(&sd->gspca_dev,
+		sensor_settings[AUTO_EXPOSURE_IDX]);
+	if (err < 0)
+		return err;
+	err = ov7660_set_hflip(&sd->gspca_dev,
+		sensor_settings[HFLIP_IDX]);
+	if (err < 0)
+		return err;
+
+	err = ov7660_set_vflip(&sd->gspca_dev,
+		sensor_settings[VFLIP_IDX]);
+
+	return err;
+}
+
+int ov7660_start(struct sd *sd)
+{
+	return 0;
+}
+
+int ov7660_stop(struct sd *sd)
+{
+	return 0;
+}
+
+void ov7660_disconnect(struct sd *sd)
+{
+	ov7660_stop(sd);
+
+	sd->sensor = NULL;
+	kfree(sd->sensor_priv);
+}
+
+static int ov7660_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	*val = sensor_settings[GAIN_IDX];
+	PDEBUG(D_V4L2, "Read gain %d", *val);
+	return 0;
+}
+
+static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+	int err;
+	u8 i2c_data;
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	PDEBUG(D_V4L2, "Setting gain to %d", val);
+
+	sensor_settings[GAIN_IDX] = val;
+
+	err = m5602_write_sensor(sd, OV7660_GAIN, &i2c_data, 1);
+	return err;
+}
+
+
+static int ov7660_get_auto_white_balance(struct gspca_dev *gspca_dev,
+					 __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	*val = sensor_settings[AUTO_WHITE_BALANCE_IDX];
+	return 0;
+}
+
+static int ov7660_set_auto_white_balance(struct gspca_dev *gspca_dev,
+					 __s32 val)
+{
+	int err;
+	u8 i2c_data;
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	PDEBUG(D_V4L2, "Set auto white balance to %d", val);
+
+	sensor_settings[AUTO_WHITE_BALANCE_IDX] = val;
+	err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
+	if (err < 0)
+		return err;
+
+	i2c_data = ((i2c_data & 0xfd) | ((val & 0x01) << 1));
+	err = m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
+
+	return err;
+}
+
+static int ov7660_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	*val = sensor_settings[AUTO_GAIN_CTRL_IDX];
+	PDEBUG(D_V4L2, "Read auto gain control %d", *val);
+	return 0;
+}
+
+static int ov7660_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+	int err;
+	u8 i2c_data;
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	PDEBUG(D_V4L2, "Set auto gain control to %d", val);
+
+	sensor_settings[AUTO_GAIN_CTRL_IDX] = val;
+	err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
+	if (err < 0)
+		return err;
+
+	i2c_data = ((i2c_data & 0xfb) | ((val & 0x01) << 2));
+
+	return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
+}
+
+static int ov7660_get_auto_exposure(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	*val = sensor_settings[AUTO_EXPOSURE_IDX];
+	PDEBUG(D_V4L2, "Read auto exposure control %d", *val);
+	return 0;
+}
+
+static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev,
+				    __s32 val)
+{
+	int err;
+	u8 i2c_data;
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	PDEBUG(D_V4L2, "Set auto exposure control to %d", val);
+
+	sensor_settings[AUTO_EXPOSURE_IDX] = val;
+	err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
+	if (err < 0)
+		return err;
+
+	i2c_data = ((i2c_data & 0xfe) | ((val & 0x01) << 0));
+
+	return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
+}
+
+static int ov7660_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	*val = sensor_settings[HFLIP_IDX];
+	PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
+	return 0;
+}
+
+static int ov7660_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+	int err;
+	u8 i2c_data;
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
+
+	sensor_settings[HFLIP_IDX] = val;
+
+	i2c_data = ((val & 0x01) << 5) |
+		(sensor_settings[VFLIP_IDX] << 4);
+
+	err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1);
+
+	return err;
+}
+
+static int ov7660_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	*val = sensor_settings[VFLIP_IDX];
+	PDEBUG(D_V4L2, "Read vertical flip %d", *val);
+
+	return 0;
+}
+
+static int ov7660_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+	int err;
+	u8 i2c_data;
+	struct sd *sd = (struct sd *) gspca_dev;
+	s32 *sensor_settings = sd->sensor_priv;
+
+	PDEBUG(D_V4L2, "Set vertical flip to %d", val);
+	sensor_settings[VFLIP_IDX] = val;
+
+	i2c_data = ((val & 0x01) << 4) | (sensor_settings[VFLIP_IDX] << 5);
+	err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1);
+	if (err < 0)
+		return err;
+
+	/* When vflip is toggled we need to readjust the bridge hsync/vsync */
+	if (gspca_dev->streaming)
+		err = ov7660_start(sd);
+
+	return err;
+}
+
+static void ov7660_dump_registers(struct sd *sd)
+{
+	int address;
+	pr_info("Dumping the ov7660 register state\n");
+	for (address = 0; address < 0xa9; address++) {
+		u8 value;
+		m5602_read_sensor(sd, address, &value, 1);
+		pr_info("register 0x%x contains 0x%x\n", address, value);
+	}
+
+	pr_info("ov7660 register state dump complete\n");
+
+	pr_info("Probing for which registers that are read/write\n");
+	for (address = 0; address < 0xff; address++) {
+		u8 old_value, ctrl_value;
+		u8 test_value[2] = {0xff, 0xff};
+
+		m5602_read_sensor(sd, address, &old_value, 1);
+		m5602_write_sensor(sd, address, test_value, 1);
+		m5602_read_sensor(sd, address, &ctrl_value, 1);
+
+		if (ctrl_value == test_value[0])
+			pr_info("register 0x%x is writeable\n", address);
+		else
+			pr_info("register 0x%x is read only\n", address);
+
+		/* Restore original value */
+		m5602_write_sensor(sd, address, &old_value, 1);
+	}
+}