[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, 548 insertions, 0 deletions

diff --git a/drivers/media/usb/gspca/jeilinj.c b/drivers/media/usb/gspca/jeilinj.c
new file mode 100644
index 000000000000..26b99310d628
--- /dev/null
+++ b/drivers/media/usb/gspca/jeilinj.c
@@ -0,0 +1,548 @@
+/*
+ * Jeilinj subdriver
+ *
+ * Supports some Jeilin dual-mode cameras which use bulk transport and
+ * download raw JPEG data.
+ *
+ * Copyright (C) 2009 Theodore Kilgore
+ *
+ * Sportscam DV15 support and control settings are
+ * Copyright (C) 2011 Patrice Chotard
+ *
+ * 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 "jeilinj"
+
+#include <linux/slab.h>
+#include "gspca.h"
+#include "jpeg.h"
+
+MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>");
+MODULE_DESCRIPTION("GSPCA/JEILINJ USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* Default timeouts, in ms */
+#define JEILINJ_CMD_TIMEOUT 500
+#define JEILINJ_CMD_DELAY 160
+#define JEILINJ_DATA_TIMEOUT 1000
+
+/* Maximum transfer size to use. */
+#define JEILINJ_MAX_TRANSFER 0x200
+#define FRAME_HEADER_LEN 0x10
+#define FRAME_START 0xFFFFFFFF
+
+enum {
+	SAKAR_57379,
+	SPORTSCAM_DV15,
+};
+
+#define CAMQUALITY_MIN 0	/* highest cam quality */
+#define CAMQUALITY_MAX 97	/* lowest cam quality  */
+
+/* Structure to hold all of our device specific stuff */
+struct sd {
+	struct gspca_dev gspca_dev;	/* !! must be the first item */
+	int blocks_left;
+	const struct v4l2_pix_format *cap_mode;
+	struct v4l2_ctrl *freq;
+	struct v4l2_ctrl *jpegqual;
+	/* Driver stuff */
+	u8 type;
+	u8 quality;				 /* image quality */
+#define QUALITY_MIN 35
+#define QUALITY_MAX 85
+#define QUALITY_DEF 85
+	u8 jpeg_hdr[JPEG_HDR_SZ];
+};
+
+struct jlj_command {
+	unsigned char instruction[2];
+	unsigned char ack_wanted;
+	unsigned char delay;
+};
+
+/* AFAICT these cameras will only do 320x240. */
+static struct v4l2_pix_format jlj_mode[] = {
+	{ 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+		.bytesperline = 320,
+		.sizeimage = 320 * 240,
+		.colorspace = V4L2_COLORSPACE_JPEG,
+		.priv = 0},
+	{ 640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+		.bytesperline = 640,
+		.sizeimage = 640 * 480,
+		.colorspace = V4L2_COLORSPACE_JPEG,
+		.priv = 0}
+};
+
+/*
+ * cam uses endpoint 0x03 to send commands, 0x84 for read commands,
+ * and 0x82 for bulk transfer.
+ */
+
+/* All commands are two bytes only */
+static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command)
+{
+	int retval;
+
+	if (gspca_dev->usb_err < 0)
+		return;
+	memcpy(gspca_dev->usb_buf, command, 2);
+	retval = usb_bulk_msg(gspca_dev->dev,
+			usb_sndbulkpipe(gspca_dev->dev, 3),
+			gspca_dev->usb_buf, 2, NULL, 500);
+	if (retval < 0) {
+		pr_err("command write [%02x] error %d\n",
+		       gspca_dev->usb_buf[0], retval);
+		gspca_dev->usb_err = retval;
+	}
+}
+
+/* Responses are one byte only */
+static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char response)
+{
+	int retval;
+
+	if (gspca_dev->usb_err < 0)
+		return;
+	retval = usb_bulk_msg(gspca_dev->dev,
+	usb_rcvbulkpipe(gspca_dev->dev, 0x84),
+				gspca_dev->usb_buf, 1, NULL, 500);
+	response = gspca_dev->usb_buf[0];
+	if (retval < 0) {
+		pr_err("read command [%02x] error %d\n",
+		       gspca_dev->usb_buf[0], retval);
+		gspca_dev->usb_err = retval;
+	}
+}
+
+static void setfreq(struct gspca_dev *gspca_dev, s32 val)
+{
+	u8 freq_commands[][2] = {
+		{0x71, 0x80},
+		{0x70, 0x07}
+	};
+
+	freq_commands[0][1] |= val >> 1;
+
+	jlj_write2(gspca_dev, freq_commands[0]);
+	jlj_write2(gspca_dev, freq_commands[1]);
+}
+
+static void setcamquality(struct gspca_dev *gspca_dev, s32 val)
+{
+	u8 quality_commands[][2] = {
+		{0x71, 0x1E},
+		{0x70, 0x06}
+	};
+	u8 camquality;
+
+	/* adapt camera quality from jpeg quality */
+	camquality = ((QUALITY_MAX - val) * CAMQUALITY_MAX)
+		/ (QUALITY_MAX - QUALITY_MIN);
+	quality_commands[0][1] += camquality;
+
+	jlj_write2(gspca_dev, quality_commands[0]);
+	jlj_write2(gspca_dev, quality_commands[1]);
+}
+
+static void setautogain(struct gspca_dev *gspca_dev, s32 val)
+{
+	u8 autogain_commands[][2] = {
+		{0x94, 0x02},
+		{0xcf, 0x00}
+	};
+
+	autogain_commands[1][1] = val << 4;
+
+	jlj_write2(gspca_dev, autogain_commands[0]);
+	jlj_write2(gspca_dev, autogain_commands[1]);
+}
+
+static void setred(struct gspca_dev *gspca_dev, s32 val)
+{
+	u8 setred_commands[][2] = {
+		{0x94, 0x02},
+		{0xe6, 0x00}
+	};
+
+	setred_commands[1][1] = val;
+
+	jlj_write2(gspca_dev, setred_commands[0]);
+	jlj_write2(gspca_dev, setred_commands[1]);
+}
+
+static void setgreen(struct gspca_dev *gspca_dev, s32 val)
+{
+	u8 setgreen_commands[][2] = {
+		{0x94, 0x02},
+		{0xe7, 0x00}
+	};
+
+	setgreen_commands[1][1] = val;
+
+	jlj_write2(gspca_dev, setgreen_commands[0]);
+	jlj_write2(gspca_dev, setgreen_commands[1]);
+}
+
+static void setblue(struct gspca_dev *gspca_dev, s32 val)
+{
+	u8 setblue_commands[][2] = {
+		{0x94, 0x02},
+		{0xe9, 0x00}
+	};
+
+	setblue_commands[1][1] = val;
+
+	jlj_write2(gspca_dev, setblue_commands[0]);
+	jlj_write2(gspca_dev, setblue_commands[1]);
+}
+
+static int jlj_start(struct gspca_dev *gspca_dev)
+{
+	int i;
+	int start_commands_size;
+	u8 response = 0xff;
+	struct sd *sd = (struct sd *) gspca_dev;
+	struct jlj_command start_commands[] = {
+		{{0x71, 0x81}, 0, 0},
+		{{0x70, 0x05}, 0, JEILINJ_CMD_DELAY},
+		{{0x95, 0x70}, 1, 0},
+		{{0x71, 0x81 - gspca_dev->curr_mode}, 0, 0},
+		{{0x70, 0x04}, 0, JEILINJ_CMD_DELAY},
+		{{0x95, 0x70}, 1, 0},
+		{{0x71, 0x00}, 0, 0},   /* start streaming ??*/
+		{{0x70, 0x08}, 0, JEILINJ_CMD_DELAY},
+		{{0x95, 0x70}, 1, 0},
+#define SPORTSCAM_DV15_CMD_SIZE 9
+		{{0x94, 0x02}, 0, 0},
+		{{0xde, 0x24}, 0, 0},
+		{{0x94, 0x02}, 0, 0},
+		{{0xdd, 0xf0}, 0, 0},
+		{{0x94, 0x02}, 0, 0},
+		{{0xe3, 0x2c}, 0, 0},
+		{{0x94, 0x02}, 0, 0},
+		{{0xe4, 0x00}, 0, 0},
+		{{0x94, 0x02}, 0, 0},
+		{{0xe5, 0x00}, 0, 0},
+		{{0x94, 0x02}, 0, 0},
+		{{0xe6, 0x2c}, 0, 0},
+		{{0x94, 0x03}, 0, 0},
+		{{0xaa, 0x00}, 0, 0}
+	};
+
+	sd->blocks_left = 0;
+	/* Under Windows, USB spy shows that only the 9 first start
+	 * commands are used for SPORTSCAM_DV15 webcam
+	 */
+	if (sd->type == SPORTSCAM_DV15)
+		start_commands_size = SPORTSCAM_DV15_CMD_SIZE;
+	else
+		start_commands_size = ARRAY_SIZE(start_commands);
+
+	for (i = 0; i < start_commands_size; i++) {
+		jlj_write2(gspca_dev, start_commands[i].instruction);
+		if (start_commands[i].delay)
+			msleep(start_commands[i].delay);
+		if (start_commands[i].ack_wanted)
+			jlj_read1(gspca_dev, response);
+	}
+	setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual));
+	msleep(2);
+	setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq));
+	if (gspca_dev->usb_err < 0)
+		PDEBUG(D_ERR, "Start streaming command failed");
+	return gspca_dev->usb_err;
+}
+
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+			u8 *data, int len)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	int packet_type;
+	u32 header_marker;
+
+	PDEBUG(D_STREAM, "Got %d bytes out of %d for Block 0",
+			len, JEILINJ_MAX_TRANSFER);
+	if (len != JEILINJ_MAX_TRANSFER) {
+		PDEBUG(D_PACK, "bad length");
+		goto discard;
+	}
+	/* check if it's start of frame */
+	header_marker = ((u32 *)data)[0];
+	if (header_marker == FRAME_START) {
+		sd->blocks_left = data[0x0a] - 1;
+		PDEBUG(D_STREAM, "blocks_left = 0x%x", sd->blocks_left);
+		/* Start a new frame, and add the JPEG header, first thing */
+		gspca_frame_add(gspca_dev, FIRST_PACKET,
+				sd->jpeg_hdr, JPEG_HDR_SZ);
+		/* Toss line 0 of data block 0, keep the rest. */
+		gspca_frame_add(gspca_dev, INTER_PACKET,
+				data + FRAME_HEADER_LEN,
+				JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN);
+	} else if (sd->blocks_left > 0) {
+		PDEBUG(D_STREAM, "%d blocks remaining for frame",
+				sd->blocks_left);
+		sd->blocks_left -= 1;
+		if (sd->blocks_left == 0)
+			packet_type = LAST_PACKET;
+		else
+			packet_type = INTER_PACKET;
+		gspca_frame_add(gspca_dev, packet_type,
+				data, JEILINJ_MAX_TRANSFER);
+	} else
+		goto discard;
+	return;
+discard:
+	/* Discard data until a new frame starts. */
+	gspca_dev->last_packet_type = DISCARD_PACKET;
+}
+
+/* This function is called at probe time just before sd_init */
+static int sd_config(struct gspca_dev *gspca_dev,
+		const struct usb_device_id *id)
+{
+	struct cam *cam = &gspca_dev->cam;
+	struct sd *dev  = (struct sd *) gspca_dev;
+
+	dev->type = id->driver_info;
+	dev->quality = QUALITY_DEF;
+
+	cam->cam_mode = jlj_mode;
+	cam->nmodes = ARRAY_SIZE(jlj_mode);
+	cam->bulk = 1;
+	cam->bulk_nurbs = 1;
+	cam->bulk_size = JEILINJ_MAX_TRANSFER;
+	return 0;
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+	int i;
+	u8 *buf;
+	static u8 stop_commands[][2] = {
+		{0x71, 0x00},
+		{0x70, 0x09},
+		{0x71, 0x80},
+		{0x70, 0x05}
+	};
+
+	for (;;) {
+		/* get the image remaining blocks */
+		usb_bulk_msg(gspca_dev->dev,
+				gspca_dev->urb[0]->pipe,
+				gspca_dev->urb[0]->transfer_buffer,
+				JEILINJ_MAX_TRANSFER, NULL,
+				JEILINJ_DATA_TIMEOUT);
+
+		/* search for 0xff 0xd9  (EOF for JPEG) */
+		i = 0;
+		buf = gspca_dev->urb[0]->transfer_buffer;
+		while ((i < (JEILINJ_MAX_TRANSFER - 1)) &&
+			((buf[i] != 0xff) || (buf[i+1] != 0xd9)))
+			i++;
+
+		if (i != (JEILINJ_MAX_TRANSFER - 1))
+			/* last remaining block found */
+			break;
+		}
+
+	for (i = 0; i < ARRAY_SIZE(stop_commands); i++)
+		jlj_write2(gspca_dev, stop_commands[i]);
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+	return gspca_dev->usb_err;
+}
+
+/* Set up for getting frames. */
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+	struct sd *dev = (struct sd *) gspca_dev;
+
+	/* create the JPEG header */
+	jpeg_define(dev->jpeg_hdr, gspca_dev->height, gspca_dev->width,
+			0x21);          /* JPEG 422 */
+	jpeg_set_qual(dev->jpeg_hdr, dev->quality);
+	PDEBUG(D_STREAM, "Start streaming at %dx%d",
+		gspca_dev->height, gspca_dev->width);
+	jlj_start(gspca_dev);
+	return gspca_dev->usb_err;
+}
+
+/* Table of supported USB devices */
+static const struct usb_device_id device_table[] = {
+	{USB_DEVICE(0x0979, 0x0280), .driver_info = SAKAR_57379},
+	{USB_DEVICE(0x0979, 0x0270), .driver_info = SPORTSCAM_DV15},
+	{}
+};
+
+MODULE_DEVICE_TABLE(usb, device_table);
+
+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_POWER_LINE_FREQUENCY:
+		setfreq(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_RED_BALANCE:
+		setred(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_GAIN:
+		setgreen(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_BLUE_BALANCE:
+		setblue(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_AUTOGAIN:
+		setautogain(gspca_dev, ctrl->val);
+		break;
+	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+		jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
+		setcamquality(gspca_dev, ctrl->val);
+		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;
+	static const struct v4l2_ctrl_config custom_autogain = {
+		.ops = &sd_ctrl_ops,
+		.id = V4L2_CID_AUTOGAIN,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.name = "Automatic Gain (and Exposure)",
+		.max = 3,
+		.step = 1,
+		.def = 0,
+	};
+
+	gspca_dev->vdev.ctrl_handler = hdl;
+	v4l2_ctrl_handler_init(hdl, 6);
+	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_60HZ);
+	v4l2_ctrl_new_custom(hdl, &custom_autogain, NULL);
+	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+			V4L2_CID_RED_BALANCE, 0, 3, 1, 2);
+	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+			V4L2_CID_GAIN, 0, 3, 1, 2);
+	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+			V4L2_CID_BLUE_BALANCE, 0, 3, 1, 2);
+	sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+			V4L2_CID_JPEG_COMPRESSION_QUALITY,
+			QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF);
+
+	if (hdl->error) {
+		pr_err("Could not initialize controls\n");
+		return hdl->error;
+	}
+	return 0;
+}
+
+static int sd_set_jcomp(struct gspca_dev *gspca_dev,
+			struct v4l2_jpegcompression *jcomp)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+
+	v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
+	return 0;
+}
+
+static int sd_get_jcomp(struct gspca_dev *gspca_dev,
+			struct v4l2_jpegcompression *jcomp)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+
+	memset(jcomp, 0, sizeof *jcomp);
+	jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
+	jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
+			| V4L2_JPEG_MARKER_DQT;
+	return 0;
+}
+
+
+/* sub-driver description */
+static const struct sd_desc sd_desc_sakar_57379 = {
+	.name   = MODULE_NAME,
+	.config = sd_config,
+	.init   = sd_init,
+	.start  = sd_start,
+	.stopN  = sd_stopN,
+	.pkt_scan = sd_pkt_scan,
+};
+
+/* sub-driver description */
+static const struct sd_desc sd_desc_sportscam_dv15 = {
+	.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,
+	.get_jcomp = sd_get_jcomp,
+	.set_jcomp = sd_set_jcomp,
+};
+
+static const struct sd_desc *sd_desc[2] = {
+	&sd_desc_sakar_57379,
+	&sd_desc_sportscam_dv15
+};
+
+/* -- device connect -- */
+static int sd_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	return gspca_dev_probe(intf, id,
+			sd_desc[id->driver_info],
+			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);