V4L/DVB (8157): gspca: all subdrivers

- remaning subdrivers added
- remove the decoding helper and some specific frame decodings

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 455 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c
new file mode 100644
index 00000000000..48b861d6829
--- /dev/null
+++ b/drivers/media/video/gspca/mars.c
@@ -0,0 +1,455 @@
+/*
+ *		Mars-Semi MR97311A library
+ *		Copyright (C) 2005 <bradlch@hotmail.com>
+ *
+ * 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 MODULE_NAME "mars"
+
+#include "gspca.h"
+#include "jpeg.h"
+
+#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(2, 1, 0)
+static const char version[] = "2.1.0";
+
+MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
+MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* specific webcam descriptor */
+struct sd {
+	struct gspca_dev gspca_dev;	/* !! must be the first item */
+
+	char qindex;
+};
+
+/* V4L2 controls supported by the driver */
+static struct ctrl sd_ctrls[] = {
+};
+
+static struct cam_mode vga_mode[] = {
+	{V4L2_PIX_FMT_JPEG, 320, 240, 2},
+	{V4L2_PIX_FMT_JPEG, 640, 480, 1},
+};
+
+/* MI Register table //elvis */
+enum {
+	REG_HW_MI_0,
+	REG_HW_MI_1,
+	REG_HW_MI_2,
+	REG_HW_MI_3,
+	REG_HW_MI_4,
+	REG_HW_MI_5,
+	REG_HW_MI_6,
+	REG_HW_MI_7,
+	REG_HW_MI_9 = 0x09,
+	REG_HW_MI_B = 0x0B,
+	REG_HW_MI_C,
+	REG_HW_MI_D,
+	REG_HW_MI_1E = 0x1E,
+	REG_HW_MI_20 = 0x20,
+	REG_HW_MI_2B = 0x2B,
+	REG_HW_MI_2C,
+	REG_HW_MI_2D,
+	REG_HW_MI_2E,
+	REG_HW_MI_35 = 0x35,
+	REG_HW_MI_5F = 0x5f,
+	REG_HW_MI_60,
+	REG_HW_MI_61,
+	REG_HW_MI_62,
+	REG_HW_MI_63,
+	REG_HW_MI_64,
+	REG_HW_MI_F1 = 0xf1,
+	ATTR_TOTAL_MI_REG = 242
+};
+
+static int pcam_reg_write(struct usb_device *dev,
+			  __u16 index, unsigned char *value, int length)
+{
+	int rc;
+
+	rc = usb_control_msg(dev,
+			 usb_sndbulkpipe(dev, 4),
+			 0x12,
+/* ?? 0xc8 = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_??? !? */
+			 0xc8,
+			 0,		/* value */
+			 index, value, length, 500);
+	PDEBUG(D_USBO, "reg write: 0x%02X , result = 0x%x", index, rc);
+
+	if (rc < 0)
+		PDEBUG(D_ERR, "reg write: error %d", rc);
+	return rc;
+}
+
+static void MISensor_BulkWrite(struct usb_device *dev, unsigned short *pch,
+				   char Address)
+{
+	int result;
+	unsigned char data[6];
+
+	data[0] = 0x1f;
+	data[1] = 0;
+	data[2] = Address;
+	data[3] = *pch >> 8;		/* high byte */
+	data[4] = *pch;			/* low byte */
+	data[5] = 0;
+
+	result = usb_control_msg(dev,
+				 usb_sndbulkpipe(dev, 4),
+				 0x12,
+/* ?? 0xc8 = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_??? !? */
+				 0xc8,
+				 0,		/* value */
+				 Address,	/* index */
+				 data, 5, 500);
+	PDEBUG(D_USBO, "bulk write 0x%02x = 0x%04x", Address, *pch);
+
+	if (result < 0)
+		PDEBUG(D_ERR, "reg write: error %d", result);
+}
+
+/* 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;
+	cam->dev_name = (char *) id->driver_info;
+	cam->epaddr = 0x01;
+	cam->cam_mode = vga_mode;
+	cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
+	sd->qindex = 1;			/* set the quantization table */
+	return 0;
+}
+
+/* this function is called at open time */
+static int sd_open(struct gspca_dev *gspca_dev)
+{
+	return 0;
+}
+
+static void sd_start(struct gspca_dev *gspca_dev)
+{
+	struct usb_device *dev = gspca_dev->dev;
+	int err_code;
+	__u8 data[12];
+	__u16 MI_buf[242];
+	int h_size, v_size;
+	int intpipe;
+	/* struct usb_device *dev = pcam->dev; */
+	memset(data, 0, sizeof data);
+	memset(MI_buf, 0, sizeof MI_buf);
+
+	PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
+	if (usb_set_interface(dev, gspca_dev->iface, 8) < 0) {
+		PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
+		return;
+	}
+
+	data[0] = 0x01;		/* address */
+	data[1] = 0x01;
+
+	err_code = pcam_reg_write(dev, data[0], data, 0x02);
+	if (err_code < 0)
+		return;
+
+	/*
+	   Initialize the MR97113 chip register
+	 */
+	data[0] = 0x00;		/* address */
+	data[1] = 0x0c | 0x01;	/* reg 0 */
+	data[2] = 0x01;		/* reg 1 */
+	h_size = gspca_dev->width;
+	v_size = gspca_dev->height;
+	data[3] = h_size / 8;	/* h_size , reg 2 */
+	data[4] = v_size / 8;	/* v_size , reg 3 */
+	data[5] = 0x30;		/* reg 4, MI, PAS5101 :
+				 *	0x30 for 24mhz , 0x28 for 12mhz */
+	data[6] = 4;		/* reg 5, H start */
+	data[7] = 0xc0;		/* reg 6, gamma 1.5 */
+	data[8] = 3;		/* reg 7, V start */
+/*	if(h_size == 320 ) */
+/*		data[9]= 0x56;	 * reg 8, 24MHz, 2:1 scale down */
+/*	else */
+	data[9] = 0x52;		/* reg 8, 24MHz, no scale down */
+	data[10] = 0x5d;	/* reg 9, I2C device address
+				 *	[for PAS5101 (0x40)] [for MI (0x5d)] */
+
+	err_code = pcam_reg_write(dev, data[0], data, 0x0b);
+	if (err_code < 0)
+		return;
+
+	data[0] = 0x23;		/* address */
+	data[1] = 0x09;		/* reg 35, append frame header */
+
+	err_code = pcam_reg_write(dev, data[0], data, 0x02);
+	if (err_code < 0) {
+		PDEBUG(D_ERR, "Register write failed");
+		return;
+	}
+
+	data[0] = 0x3C;		/* address */
+/*	if (pcam->width == 1280) */
+/*		data[1] = 200;	 * reg 60, pc-cam frame size
+				 *	(unit: 4KB) 800KB */
+/*	else */
+	data[1] = 50;		/* 50 reg 60, pc-cam frame size
+				 *	(unit: 4KB) 200KB */
+	err_code = pcam_reg_write(dev, data[0], data, 0x02);
+	if (err_code < 0)
+		return;
+
+	if (0) {			/* fixed dark-gain */
+		data[1] = 0;		/* reg 94, Y Gain (1.75) */
+		data[2] = 0;		/* reg 95, UV Gain (1.75) */
+		data[3] = 0x3f;		/* reg 96, Y Gain/UV Gain/disable auto dark-gain */
+		data[4] = 0;		/* reg 97, set fixed dark level */
+		data[5] = 0;		/* reg 98, don't care */
+	} else {			/* auto dark-gain */
+		data[1] = 0;		/* reg 94, Y Gain (auto) */
+		data[2] = 0;		/* reg 95, UV Gain (1.75) */
+		data[3] = 0x78;		/* reg 96, Y Gain/UV Gain/disable auto dark-gain */
+		switch (gspca_dev->width) {
+/*		case 1280: */
+/*			data[4] = 154;
+				 * reg 97, %3 shadow point (unit: 256 pixel) */
+/*			data[5] = 51;
+				 * reg 98, %1 highlight point
+				 *	(uint: 256 pixel) */
+/*			break; */
+		default:
+/*		case 640: */
+			data[4] = 36;	/* reg 97, %3 shadow point
+					 *	(unit: 256 pixel) */
+			data[5] = 12;	/* reg 98, %1 highlight point
+					 *	(uint: 256 pixel) */
+			break;
+		case 320:
+			data[4] = 9;	/* reg 97, %3 shadow point
+					 *	(unit: 256 pixel) */
+			data[5] = 3;	/* reg 98, %1 highlight point
+					 *	(uint: 256 pixel) */
+			break;
+		}
+	}
+	/* auto dark-gain */
+	data[0] = 0x5e;		/* address */
+
+	err_code = pcam_reg_write(dev, data[0], data, 0x06);
+	if (err_code < 0)
+		return;
+
+	data[0] = 0x67;
+	data[1] = 0x13;		/* reg 103, first pixel B, disable sharpness */
+	err_code = pcam_reg_write(dev, data[0], data, 0x02);
+	if (err_code < 0)
+		return;
+
+	/*
+	 * initialize the value of MI sensor...
+	 */
+	MI_buf[REG_HW_MI_1] = 0x000a;
+	MI_buf[REG_HW_MI_2] = 0x000c;
+	MI_buf[REG_HW_MI_3] = 0x0405;
+	MI_buf[REG_HW_MI_4] = 0x0507;
+	/* mi_Attr_Reg_[REG_HW_MI_5]	 = 0x01ff;//13 */
+	MI_buf[REG_HW_MI_5] = 0x0013;	/* 13 */
+	MI_buf[REG_HW_MI_6] = 0x001f;	/* vertical blanking */
+	/* mi_Attr_Reg_[REG_HW_MI_6]	 = 0x0400;  // vertical blanking */
+	MI_buf[REG_HW_MI_7] = 0x0002;
+	/* mi_Attr_Reg_[REG_HW_MI_9]	 = 0x015f; */
+	/* mi_Attr_Reg_[REG_HW_MI_9]	 = 0x030f; */
+	MI_buf[REG_HW_MI_9] = 0x0374;
+	MI_buf[REG_HW_MI_B] = 0x0000;
+	MI_buf[REG_HW_MI_C] = 0x0000;
+	MI_buf[REG_HW_MI_D] = 0x0000;
+	MI_buf[REG_HW_MI_1E] = 0x8000;
+/* mi_Attr_Reg_[REG_HW_MI_20]	  = 0x1104; */
+	MI_buf[REG_HW_MI_20] = 0x1104;	/* 0x111c; */
+	MI_buf[REG_HW_MI_2B] = 0x0008;
+/* mi_Attr_Reg_[REG_HW_MI_2C]	  = 0x000f; */
+	MI_buf[REG_HW_MI_2C] = 0x001f;	/* lita suggest */
+	MI_buf[REG_HW_MI_2D] = 0x0008;
+	MI_buf[REG_HW_MI_2E] = 0x0008;
+	MI_buf[REG_HW_MI_35] = 0x0051;
+	MI_buf[REG_HW_MI_5F] = 0x0904;	/* fail to write */
+	MI_buf[REG_HW_MI_60] = 0x0000;
+	MI_buf[REG_HW_MI_61] = 0x0000;
+	MI_buf[REG_HW_MI_62] = 0x0498;
+	MI_buf[REG_HW_MI_63] = 0x0000;
+	MI_buf[REG_HW_MI_64] = 0x0000;
+	MI_buf[REG_HW_MI_F1] = 0x0001;
+	/* changing while setting up the different value of dx/dy */
+
+	if (gspca_dev->width != 1280) {
+		MI_buf[0x01] = 0x010a;
+		MI_buf[0x02] = 0x014c;
+		MI_buf[0x03] = 0x01e5;
+		MI_buf[0x04] = 0x0287;
+	}
+	MI_buf[0x20] = 0x1104;
+
+	MISensor_BulkWrite(dev, MI_buf + 1, 1);
+	MISensor_BulkWrite(dev, MI_buf + 2, 2);
+	MISensor_BulkWrite(dev, MI_buf + 3, 3);
+	MISensor_BulkWrite(dev, MI_buf + 4, 4);
+	MISensor_BulkWrite(dev, MI_buf + 5, 5);
+	MISensor_BulkWrite(dev, MI_buf + 6, 6);
+	MISensor_BulkWrite(dev, MI_buf + 7, 7);
+	MISensor_BulkWrite(dev, MI_buf + 9, 9);
+	MISensor_BulkWrite(dev, MI_buf + 0x0b, 0x0b);
+	MISensor_BulkWrite(dev, MI_buf + 0x0c, 0x0c);
+	MISensor_BulkWrite(dev, MI_buf + 0x0d, 0x0d);
+	MISensor_BulkWrite(dev, MI_buf + 0x1e, 0x1e);
+	MISensor_BulkWrite(dev, MI_buf + 0x20, 0x20);
+	MISensor_BulkWrite(dev, MI_buf + 0x2b, 0x2b);
+	MISensor_BulkWrite(dev, MI_buf + 0x2c, 0x2c);
+	MISensor_BulkWrite(dev, MI_buf + 0x2d, 0x2d);
+	MISensor_BulkWrite(dev, MI_buf + 0x2e, 0x2e);
+	MISensor_BulkWrite(dev, MI_buf + 0x35, 0x35);
+	MISensor_BulkWrite(dev, MI_buf + 0x5f, 0x5f);
+	MISensor_BulkWrite(dev, MI_buf + 0x60, 0x60);
+	MISensor_BulkWrite(dev, MI_buf + 0x61, 0x61);
+	MISensor_BulkWrite(dev, MI_buf + 0x62, 0x62);
+	MISensor_BulkWrite(dev, MI_buf + 0x63, 0x63);
+	MISensor_BulkWrite(dev, MI_buf + 0x64, 0x64);
+	MISensor_BulkWrite(dev, MI_buf + 0xf1, 0xf1);
+
+	intpipe = usb_sndintpipe(dev, 0);
+	err_code = usb_clear_halt(dev, intpipe);
+
+	data[0] = 0x00;
+	data[1] = 0x4d;		/* ISOC transfering enable... */
+	pcam_reg_write(dev, data[0], data, 0x02);
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+	int result;
+	__u8 data[2];
+
+	data[0] = 1;
+	data[1] = 0;
+	result = pcam_reg_write(gspca_dev->dev, data[0], data, 2);
+	if (result < 0)
+		PDEBUG(D_ERR, "Camera Stop failed");
+}
+
+static void sd_stop0(struct gspca_dev *gspca_dev)
+{
+}
+
+static void sd_close(struct gspca_dev *gspca_dev)
+{
+}
+
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+			struct gspca_frame *frame,	/* target */
+			unsigned char *data,		/* isoc packet */
+			int len)			/* iso packet length */
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	int p;
+
+	if (len < 6) {
+/*		gspca_dev->last_packet_type = DISCARD_PACKET; */
+		return;
+	}
+	for (p = 0; p < len - 6; p++) {
+		if (data[0 + p] == 0xff
+		    && data[1 + p] == 0xff
+		    && data[2 + p] == 0x00
+		    && data[3 + p] == 0xff
+		    && data[4 + p] == 0x96) {
+			if (data[5 + p] == 0x64
+			    || data[5 + p] == 0x65
+			    || data[5 + p] == 0x66
+			    || data[5 + p] == 0x67) {
+				PDEBUG(D_PACK, "sof offset: %d leng: %d",
+					p, len);
+				frame = gspca_frame_add(gspca_dev, LAST_PACKET,
+							frame, data, 0);
+
+				/* put the JPEG header */
+				jpeg_put_header(gspca_dev, frame,
+						sd->qindex, 0x21);
+				data += 16;
+				len -= 16;
+				break;
+			}
+		}
+	}
+	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
+}
+
+/* sub-driver description */
+static struct sd_desc sd_desc = {
+	.name = MODULE_NAME,
+	.ctrls = sd_ctrls,
+	.nctrls = ARRAY_SIZE(sd_ctrls),
+	.config = sd_config,
+	.open = sd_open,
+	.start = sd_start,
+	.stopN = sd_stopN,
+	.stop0 = sd_stop0,
+	.close = sd_close,
+	.pkt_scan = sd_pkt_scan,
+};
+
+/* -- module initialisation -- */
+#define DVNM(name) .driver_info = (kernel_ulong_t) name
+static __devinitdata struct usb_device_id device_table[] = {
+	{USB_DEVICE(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")},
+	{}
+};
+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,
+};
+
+/* -- module insert / remove -- */
+static int __init sd_mod_init(void)
+{
+	if (usb_register(&sd_driver) < 0)
+		return -1;
+	PDEBUG(D_PROBE, "v%s registered", version);
+	return 0;
+}
+static void __exit sd_mod_exit(void)
+{
+	usb_deregister(&sd_driver);
+	PDEBUG(D_PROBE, "deregistered");
+}
+
+module_init(sd_mod_init);
+module_exit(sd_mod_exit);