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path: root/drivers/media/video/gspca/mars.c
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Diffstat (limited to 'drivers/media/video/gspca/mars.c')
-rw-r--r--drivers/media/video/gspca/mars.c464
1 files changed, 464 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..88c2b02f380
--- /dev/null
+++ b/drivers/media/video/gspca/mars.c
@@ -0,0 +1,464 @@
+/*
+ * 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, 7)
+static const char version[] = "2.1.7";
+
+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 v4l2_pix_format vga_mode[] = {
+ {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3 / 8 + 589,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 2},
+ {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 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 = 0xf2
+};
+
+/* the bytes to write are in gspca_dev->usb_buf */
+static int reg_w(struct gspca_dev *gspca_dev,
+ __u16 index, int len)
+{
+ int rc;
+
+ rc = usb_control_msg(gspca_dev->dev,
+ usb_sndbulkpipe(gspca_dev->dev, 4),
+ 0x12,
+ 0xc8, /* ?? */
+ 0, /* value */
+ index, gspca_dev->usb_buf, len, 500);
+ if (rc < 0)
+ PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
+ return rc;
+}
+
+static int reg_w_buf(struct gspca_dev *gspca_dev,
+ __u16 index, __u8 *buf, int len)
+{
+ int rc;
+
+ rc = usb_control_msg(gspca_dev->dev,
+ usb_sndbulkpipe(gspca_dev->dev, 4),
+ 0x12,
+ 0xc8, /* ?? */
+ 0, /* value */
+ index, buf, len, 500);
+ if (rc < 0)
+ PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
+ return rc;
+}
+
+static void bulk_w(struct gspca_dev *gspca_dev,
+ __u16 *pch,
+ __u16 Address)
+{
+ gspca_dev->usb_buf[0] = 0x1f;
+ gspca_dev->usb_buf[1] = 0; /* control byte */
+ gspca_dev->usb_buf[2] = Address;
+ gspca_dev->usb_buf[3] = *pch >> 8; /* high byte */
+ gspca_dev->usb_buf[4] = *pch; /* low byte */
+
+ reg_w(gspca_dev, Address, 5);
+}
+
+/* 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)
+{
+ int err_code;
+ __u8 *data;
+ __u16 *MI_buf;
+ int h_size, v_size;
+ int intpipe;
+
+ PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
+ if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8) < 0) {
+ PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
+ return;
+ }
+
+ data = gspca_dev->usb_buf;
+ data[0] = 0x01; /* address */
+ data[1] = 0x01;
+
+ err_code = reg_w(gspca_dev, data[0], 2);
+ if (err_code < 0)
+ return;
+
+ /*
+ Initialize the MR97113 chip register
+ */
+ data = kmalloc(16, GFP_KERNEL);
+ 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 = reg_w_buf(gspca_dev, data[0], data, 11);
+ kfree(data);
+ if (err_code < 0)
+ return;
+
+ data = gspca_dev->usb_buf;
+ data[0] = 0x23; /* address */
+ data[1] = 0x09; /* reg 35, append frame header */
+
+ err_code = reg_w(gspca_dev, data[0], 2);
+ if (err_code < 0)
+ return;
+
+ data[0] = 0x3c; /* address */
+/* if (gspca_dev->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 = reg_w(gspca_dev, data[0], 2);
+ 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 = reg_w(gspca_dev, data[0], 6);
+ if (err_code < 0)
+ return;
+
+ data[0] = 0x67;
+ data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */
+ err_code = reg_w(gspca_dev, data[0], 2);
+ if (err_code < 0)
+ return;
+
+ /*
+ * initialize the value of MI sensor...
+ */
+ MI_buf = kzalloc(ATTR_TOTAL_MI_REG * sizeof *MI_buf, GFP_KERNEL);
+ 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;
+
+ bulk_w(gspca_dev, MI_buf + 1, 1);
+ bulk_w(gspca_dev, MI_buf + 2, 2);
+ bulk_w(gspca_dev, MI_buf + 3, 3);
+ bulk_w(gspca_dev, MI_buf + 4, 4);
+ bulk_w(gspca_dev, MI_buf + 5, 5);
+ bulk_w(gspca_dev, MI_buf + 6, 6);
+ bulk_w(gspca_dev, MI_buf + 7, 7);
+ bulk_w(gspca_dev, MI_buf + 9, 9);
+ bulk_w(gspca_dev, MI_buf + 0x0b, 0x0b);
+ bulk_w(gspca_dev, MI_buf + 0x0c, 0x0c);
+ bulk_w(gspca_dev, MI_buf + 0x0d, 0x0d);
+ bulk_w(gspca_dev, MI_buf + 0x1e, 0x1e);
+ bulk_w(gspca_dev, MI_buf + 0x20, 0x20);
+ bulk_w(gspca_dev, MI_buf + 0x2b, 0x2b);
+ bulk_w(gspca_dev, MI_buf + 0x2c, 0x2c);
+ bulk_w(gspca_dev, MI_buf + 0x2d, 0x2d);
+ bulk_w(gspca_dev, MI_buf + 0x2e, 0x2e);
+ bulk_w(gspca_dev, MI_buf + 0x35, 0x35);
+ bulk_w(gspca_dev, MI_buf + 0x5f, 0x5f);
+ bulk_w(gspca_dev, MI_buf + 0x60, 0x60);
+ bulk_w(gspca_dev, MI_buf + 0x61, 0x61);
+ bulk_w(gspca_dev, MI_buf + 0x62, 0x62);
+ bulk_w(gspca_dev, MI_buf + 0x63, 0x63);
+ bulk_w(gspca_dev, MI_buf + 0x64, 0x64);
+ bulk_w(gspca_dev, MI_buf + 0xf1, 0xf1);
+ kfree(MI_buf);
+
+ intpipe = usb_sndintpipe(gspca_dev->dev, 0);
+ err_code = usb_clear_halt(gspca_dev->dev, intpipe);
+
+ data[0] = 0x00;
+ data[1] = 0x4d; /* ISOC transfering enable... */
+ reg_w(gspca_dev, data[0], 2);
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+ int result;
+
+ gspca_dev->usb_buf[0] = 1;
+ gspca_dev->usb_buf[1] = 0;
+ result = reg_w(gspca_dev, gspca_dev->usb_buf[0], 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 */
+ __u8 *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 const 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 const __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);
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