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path: root/drivers/media/video/gspca/pac7311.c
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Diffstat (limited to 'drivers/media/video/gspca/pac7311.c')
-rw-r--r--drivers/media/video/gspca/pac7311.c754
1 files changed, 754 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
new file mode 100644
index 00000000000..ea3d7021f40
--- /dev/null
+++ b/drivers/media/video/gspca/pac7311.c
@@ -0,0 +1,754 @@
+/*
+ * Pixart PAC7311 library
+ * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li
+ *
+ * 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 "pac7311"
+
+#include "gspca.h"
+
+MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li");
+MODULE_DESCRIPTION("Pixart PAC7311");
+MODULE_LICENSE("GPL");
+
+/* specific webcam descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+
+ int avg_lum;
+
+ unsigned char brightness;
+ unsigned char contrast;
+ unsigned char colors;
+ unsigned char autogain;
+
+ char ffseq;
+ signed char ag_cnt;
+#define AG_CNT_START 13
+};
+
+/* V4L2 controls supported by the driver */
+static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
+
+static struct ctrl sd_ctrls[] = {
+ {
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Brightness",
+ .minimum = 0,
+#define BRIGHTNESS_MAX 0x20
+ .maximum = BRIGHTNESS_MAX,
+ .step = 1,
+#define BRIGHTNESS_DEF 0x10
+ .default_value = BRIGHTNESS_DEF,
+ },
+ .set = sd_setbrightness,
+ .get = sd_getbrightness,
+ },
+ {
+ {
+ .id = V4L2_CID_CONTRAST,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+#define CONTRAST_DEF 127
+ .default_value = CONTRAST_DEF,
+ },
+ .set = sd_setcontrast,
+ .get = sd_getcontrast,
+ },
+ {
+ {
+ .id = V4L2_CID_SATURATION,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Color",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+#define COLOR_DEF 127
+ .default_value = COLOR_DEF,
+ },
+ .set = sd_setcolors,
+ .get = sd_getcolors,
+ },
+ {
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Auto Gain",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+#define AUTOGAIN_DEF 1
+ .default_value = AUTOGAIN_DEF,
+ },
+ .set = sd_setautogain,
+ .get = sd_getautogain,
+ },
+};
+
+static struct v4l2_pix_format vga_mode[] = {
+ {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 160,
+ .sizeimage = 160 * 120 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 2},
+ {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 1},
+ {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 0},
+};
+
+#define PAC7311_JPEG_HEADER_SIZE (sizeof pac7311_jpeg_header) /* (594) */
+
+static const __u8 pac7311_jpeg_header[] = {
+ 0xff, 0xd8,
+ 0xff, 0xe0, 0x00, 0x03, 0x20,
+ 0xff, 0xc0, 0x00, 0x11, 0x08,
+ 0x01, 0xe0, /* 12: height */
+ 0x02, 0x80, /* 14: width */
+ 0x03, /* 16 */
+ 0x01, 0x21, 0x00,
+ 0x02, 0x11, 0x01,
+ 0x03, 0x11, 0x01,
+ 0xff, 0xdb, 0x00, 0x84,
+ 0x00, 0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e, 0x0d,
+ 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28, 0x1a, 0x18, 0x16,
+ 0x16, 0x18, 0x31, 0x23, 0x25, 0x1d, 0x28, 0x3a, 0x33, 0x3d,
+ 0x3c, 0x39, 0x33, 0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40,
+ 0x44, 0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0x51, 0x57, 0x5f,
+ 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71, 0x79, 0x70, 0x64,
+ 0x78, 0x5c, 0x65, 0x67, 0x63, 0x01, 0x11, 0x12, 0x12, 0x18,
+ 0x15, 0x18, 0x2f, 0x1a, 0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42,
+ 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
+ 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
+ 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
+ 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
+ 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
+ 0xff, 0xc4, 0x01, 0xa2, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+ 0x09, 0x0a, 0x0b, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02,
+ 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7d,
+ 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31,
+ 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32,
+ 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52,
+ 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
+ 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
+ 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45,
+ 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57,
+ 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+ 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83,
+ 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94,
+ 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
+ 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
+ 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+ 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8,
+ 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8,
+ 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+ 0xf9, 0xfa, 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+ 0x0b, 0x11, 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04,
+ 0x07, 0x05, 0x04, 0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01,
+ 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41,
+ 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14,
+ 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
+ 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25,
+ 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a,
+ 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46,
+ 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+ 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a,
+ 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83,
+ 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94,
+ 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
+ 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
+ 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+ 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8,
+ 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+ 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa,
+ 0xff, 0xda, 0x00, 0x0c, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03,
+ 0x11, 0x00, 0x3f, 0x00
+};
+
+static void reg_w_buf(struct gspca_dev *gspca_dev,
+ __u16 index,
+ const char *buffer, __u16 len)
+{
+ memcpy(gspca_dev->usb_buf, buffer, len);
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 1, /* request */
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, /* value */
+ index, gspca_dev->usb_buf, len,
+ 500);
+}
+
+static __u8 reg_r(struct gspca_dev *gspca_dev,
+ __u16 index)
+{
+ usb_control_msg(gspca_dev->dev,
+ usb_rcvctrlpipe(gspca_dev->dev, 0),
+ 0, /* request */
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, /* value */
+ index, gspca_dev->usb_buf, 1,
+ 500);
+ return gspca_dev->usb_buf[0];
+}
+
+static void reg_w(struct gspca_dev *gspca_dev,
+ __u16 index,
+ __u8 value)
+{
+ gspca_dev->usb_buf[0] = value;
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0, /* request */
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index, gspca_dev->usb_buf, 1,
+ 500);
+}
+
+/* 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;
+
+ PDEBUG(D_CONF, "Find Sensor PAC7311");
+ reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x27, 0x80);
+ reg_w(gspca_dev, 0x28, 0xca);
+ reg_w(gspca_dev, 0x29, 0x53);
+ reg_w(gspca_dev, 0x2a, 0x0e);
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x3e, 0x20);
+
+ cam = &gspca_dev->cam;
+ cam->epaddr = 0x05;
+ cam->cam_mode = vga_mode;
+ cam->nmodes = ARRAY_SIZE(vga_mode);
+
+ sd->brightness = BRIGHTNESS_DEF;
+ sd->contrast = CONTRAST_DEF;
+ sd->colors = COLOR_DEF;
+ sd->autogain = AUTOGAIN_DEF;
+ return 0;
+}
+
+static void setbrightness(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int brightness;
+
+/*jfm: inverted?*/
+ brightness = BRIGHTNESS_MAX - sd->brightness;
+ reg_w(gspca_dev, 0xff, 0x04);
+/* reg_w(gspca_dev, 0x0e, 0x00); */
+ reg_w(gspca_dev, 0x0f, brightness);
+ /* load registers to sensor (Bit 0, auto clear) */
+ reg_w(gspca_dev, 0x11, 0x01);
+ PDEBUG(D_CONF|D_STREAM, "brightness: %i", brightness);
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x80, sd->contrast);
+ /* load registers to sensor (Bit 0, auto clear) */
+ reg_w(gspca_dev, 0x11, 0x01);
+ PDEBUG(D_CONF|D_STREAM, "contrast: %i", sd->contrast);
+}
+
+static void setcolors(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x10, sd->colors);
+ /* load registers to sensor (Bit 0, auto clear) */
+ reg_w(gspca_dev, 0x11, 0x01);
+ PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors);
+}
+
+/* this function is called at open time */
+static int sd_open(struct gspca_dev *gspca_dev)
+{
+ reg_w(gspca_dev, 0x78, 0x00); /* Turn on LED */
+ return 0;
+}
+
+static void sd_start(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w_buf(gspca_dev, 0x0002, "\x48\x0a\x40\x08\x00\x00\x08\x00", 8);
+ reg_w_buf(gspca_dev, 0x000a, "\x06\xff\x11\xff\x5a\x30\x90\x4c", 8);
+ reg_w_buf(gspca_dev, 0x0012, "\x00\x07\x00\x0a\x10\x00\xa0\x10", 8);
+ reg_w_buf(gspca_dev, 0x001a, "\x02\x00\x00\x00\x00\x0b\x01\x00", 8);
+ reg_w_buf(gspca_dev, 0x0022, "\x00\x00\x00\x00\x00\x00\x00\x00", 8);
+ reg_w_buf(gspca_dev, 0x002a, "\x00\x00\x00", 3);
+ reg_w_buf(gspca_dev, 0x003e, "\x00\x00\x78\x52\x4a\x52\x78\x6e", 8);
+ reg_w_buf(gspca_dev, 0x0046, "\x48\x46\x48\x6e\x5f\x49\x42\x49", 8);
+ reg_w_buf(gspca_dev, 0x004e, "\x5f\x5f\x49\x42\x49\x5f\x6e\x48", 8);
+ reg_w_buf(gspca_dev, 0x0056, "\x46\x48\x6e\x78\x52\x4a\x52\x78", 8);
+ reg_w_buf(gspca_dev, 0x005e, "\x00\x00\x09\x1b\x34\x49\x5c\x9b", 8);
+ reg_w_buf(gspca_dev, 0x0066, "\xd0\xff", 2);
+ reg_w_buf(gspca_dev, 0x0078, "\x44\x00\xf2\x01\x01\x80", 6);
+ reg_w_buf(gspca_dev, 0x007f, "\x2a\x1c\x00\xc8\x02\x58\x03\x84", 8);
+ reg_w_buf(gspca_dev, 0x0087, "\x12\x00\x1a\x04\x08\x0c\x10\x14", 8);
+ reg_w_buf(gspca_dev, 0x008f, "\x18\x20", 2);
+ reg_w_buf(gspca_dev, 0x0096, "\x01\x08\x04", 3);
+ reg_w_buf(gspca_dev, 0x00a0, "\x44\x44\x44\x04", 4);
+ reg_w_buf(gspca_dev, 0x00f0, "\x01\x00\x00\x00\x22\x00\x20\x00", 8);
+ reg_w_buf(gspca_dev, 0x00f8, "\x3f\x00\x0a\x01\x00", 5);
+
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x02, 0x04);
+ reg_w(gspca_dev, 0x03, 0x54);
+ reg_w(gspca_dev, 0x04, 0x07);
+ reg_w(gspca_dev, 0x05, 0x2b);
+ reg_w(gspca_dev, 0x06, 0x09);
+ reg_w(gspca_dev, 0x07, 0x0f);
+ reg_w(gspca_dev, 0x08, 0x09);
+ reg_w(gspca_dev, 0x09, 0x00);
+ reg_w(gspca_dev, 0x0c, 0x07);
+ reg_w(gspca_dev, 0x0d, 0x00);
+ reg_w(gspca_dev, 0x0e, 0x00);
+ reg_w(gspca_dev, 0x0f, 0x62);
+ reg_w(gspca_dev, 0x10, 0x08);
+ reg_w(gspca_dev, 0x12, 0x07);
+ reg_w(gspca_dev, 0x13, 0x00);
+ reg_w(gspca_dev, 0x14, 0x00);
+ reg_w(gspca_dev, 0x15, 0x00);
+ reg_w(gspca_dev, 0x16, 0x00);
+ reg_w(gspca_dev, 0x17, 0x00);
+ reg_w(gspca_dev, 0x18, 0x00);
+ reg_w(gspca_dev, 0x19, 0x00);
+ reg_w(gspca_dev, 0x1a, 0x00);
+ reg_w(gspca_dev, 0x1b, 0x03);
+ reg_w(gspca_dev, 0x1c, 0xa0);
+ reg_w(gspca_dev, 0x1d, 0x01);
+ reg_w(gspca_dev, 0x1e, 0xf4);
+ reg_w(gspca_dev, 0x21, 0x00);
+ reg_w(gspca_dev, 0x22, 0x08);
+ reg_w(gspca_dev, 0x24, 0x03);
+ reg_w(gspca_dev, 0x26, 0x00);
+ reg_w(gspca_dev, 0x27, 0x01);
+ reg_w(gspca_dev, 0x28, 0xca);
+ reg_w(gspca_dev, 0x29, 0x10);
+ reg_w(gspca_dev, 0x2a, 0x06);
+ reg_w(gspca_dev, 0x2b, 0x78);
+ reg_w(gspca_dev, 0x2c, 0x00);
+ reg_w(gspca_dev, 0x2d, 0x00);
+ reg_w(gspca_dev, 0x2e, 0x00);
+ reg_w(gspca_dev, 0x2f, 0x00);
+ reg_w(gspca_dev, 0x30, 0x23);
+ reg_w(gspca_dev, 0x31, 0x28);
+ reg_w(gspca_dev, 0x32, 0x04);
+ reg_w(gspca_dev, 0x33, 0x11);
+ reg_w(gspca_dev, 0x34, 0x00);
+ reg_w(gspca_dev, 0x35, 0x00);
+ reg_w(gspca_dev, 0x11, 0x01);
+ setcontrast(gspca_dev);
+ setbrightness(gspca_dev);
+ setcolors(gspca_dev);
+
+ /* set correct resolution */
+ switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
+ case 2: /* 160x120 */
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x02, 0x03);
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x08, 0x09);
+ reg_w(gspca_dev, 0x17, 0x20);
+ reg_w(gspca_dev, 0x1b, 0x00);
+/* reg_w(gspca_dev, 0x80, 0x69); */
+ reg_w(gspca_dev, 0x87, 0x10);
+ break;
+ case 1: /* 320x240 */
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x02, 0x03);
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x08, 0x09);
+ reg_w(gspca_dev, 0x17, 0x30);
+/* reg_w(gspca_dev, 0x80, 0x3f); */
+ reg_w(gspca_dev, 0x87, 0x11);
+ break;
+ case 0: /* 640x480 */
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x02, 0x03);
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x08, 0x08);
+ reg_w(gspca_dev, 0x17, 0x00);
+/* reg_w(gspca_dev, 0x80, 0x1c); */
+ reg_w(gspca_dev, 0x87, 0x12);
+ break;
+ }
+
+ /* start stream */
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x78, 0x04);
+ reg_w(gspca_dev, 0x78, 0x05);
+
+ if (sd->autogain) {
+ sd->ag_cnt = AG_CNT_START;
+ sd->avg_lum = 0;
+ } else {
+ sd->ag_cnt = -1;
+ }
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x27, 0x80);
+ reg_w(gspca_dev, 0x28, 0xca);
+ reg_w(gspca_dev, 0x29, 0x53);
+ reg_w(gspca_dev, 0x2a, 0x0e);
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x3e, 0x20);
+ reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
+}
+
+static void sd_stop0(struct gspca_dev *gspca_dev)
+{
+}
+
+/* this function is called at close time */
+static void sd_close(struct gspca_dev *gspca_dev)
+{
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x27, 0x80);
+ reg_w(gspca_dev, 0x28, 0xca);
+ reg_w(gspca_dev, 0x29, 0x53);
+ reg_w(gspca_dev, 0x2a, 0x0e);
+ reg_w(gspca_dev, 0xff, 0x01);
+ reg_w(gspca_dev, 0x3e, 0x20);
+ reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
+ reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
+}
+
+static void setautogain(struct gspca_dev *gspca_dev, int luma)
+{
+ int luma_mean = 128;
+ int luma_delta = 20;
+ __u8 spring = 5;
+ int Gbright;
+
+ Gbright = reg_r(gspca_dev, 0x02);
+ PDEBUG(D_FRAM, "luma mean %d", luma);
+ if (luma < luma_mean - luma_delta ||
+ luma > luma_mean + luma_delta) {
+ Gbright += (luma_mean - luma) >> spring;
+ if (Gbright > 0x1a)
+ Gbright = 0x1a;
+ else if (Gbright < 4)
+ Gbright = 4;
+ PDEBUG(D_FRAM, "gbright %d", Gbright);
+ reg_w(gspca_dev, 0xff, 0x04);
+ reg_w(gspca_dev, 0x0f, Gbright);
+ /* load registers to sensor (Bit 0, auto clear) */
+ reg_w(gspca_dev, 0x11, 0x01);
+ }
+}
+
+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;
+ unsigned char tmpbuf[4];
+ int i, p, ffseq;
+
+/* if (len < 5) { */
+ if (len < 6) {
+/* gspca_dev->last_packet_type = DISCARD_PACKET; */
+ return;
+ }
+
+ ffseq = sd->ffseq;
+
+ 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)) {
+
+ /* start of frame */
+ if (sd->ag_cnt >= 0 && p > 28) {
+ sd->avg_lum += data[p - 23];
+ if (--sd->ag_cnt < 0) {
+ sd->ag_cnt = AG_CNT_START;
+ setautogain(gspca_dev,
+ sd->avg_lum / AG_CNT_START);
+ sd->avg_lum = 0;
+ }
+ }
+
+ /* copy the end of data to the current frame */
+ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
+ data, p);
+
+ /* put the JPEG header in the new frame */
+ gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+ (unsigned char *) pac7311_jpeg_header,
+ 12);
+ tmpbuf[0] = gspca_dev->height >> 8;
+ tmpbuf[1] = gspca_dev->height & 0xff;
+ tmpbuf[2] = gspca_dev->width >> 8;
+ tmpbuf[3] = gspca_dev->width & 0xff;
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame,
+ tmpbuf, 4);
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame,
+ (unsigned char *) &pac7311_jpeg_header[16],
+ PAC7311_JPEG_HEADER_SIZE - 16);
+
+ data += p + 7;
+ len -= p + 7;
+ ffseq = 0;
+ break;
+ }
+ }
+
+ /* remove the 'ff ff ff xx' sequences */
+ switch (ffseq) {
+ case 3:
+ data += 1;
+ len -= 1;
+ break;
+ case 2:
+ if (data[0] == 0xff) {
+ data += 2;
+ len -= 2;
+ frame->data_end -= 2;
+ }
+ break;
+ case 1:
+ if (data[0] == 0xff
+ && data[1] == 0xff) {
+ data += 3;
+ len -= 3;
+ frame->data_end -= 1;
+ }
+ break;
+ }
+ for (i = 0; i < len - 4; i++) {
+ if (data[i] == 0xff
+ && data[i + 1] == 0xff
+ && data[i + 2] == 0xff) {
+ memmove(&data[i], &data[i + 4], len - i - 4);
+ len -= 4;
+ }
+ }
+ ffseq = 0;
+ if (data[len - 4] == 0xff) {
+ if (data[len - 3] == 0xff
+ && data[len - 2] == 0xff) {
+ len -= 4;
+ }
+ } else if (data[len - 3] == 0xff) {
+ if (data[len - 2] == 0xff
+ && data[len - 1] == 0xff)
+ ffseq = 3;
+ } else if (data[len - 2] == 0xff) {
+ if (data[len - 1] == 0xff)
+ ffseq = 2;
+ } else if (data[len - 1] == 0xff)
+ ffseq = 1;
+ sd->ffseq = ffseq;
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
+}
+
+static void getbrightness(struct gspca_dev *gspca_dev)
+{
+/* sd->brightness = reg_r(gspca_dev, 0x08);
+ return sd->brightness; */
+/* PDEBUG(D_CONF, "Called pac7311_getbrightness: Not implemented yet"); */
+}
+
+
+
+static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->brightness = val;
+ if (gspca_dev->streaming)
+ setbrightness(gspca_dev);
+ return 0;
+}
+
+static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ getbrightness(gspca_dev);
+ *val = sd->brightness;
+ return 0;
+}
+
+static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->contrast = val;
+ if (gspca_dev->streaming)
+ setcontrast(gspca_dev);
+ return 0;
+}
+
+static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+/* getcontrast(gspca_dev); */
+ *val = sd->contrast;
+ return 0;
+}
+
+static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->colors = val;
+ if (gspca_dev->streaming)
+ setcolors(gspca_dev);
+ return 0;
+}
+
+static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+/* getcolors(gspca_dev); */
+ *val = sd->colors;
+ return 0;
+}
+
+static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->autogain = val;
+ if (val) {
+ sd->ag_cnt = AG_CNT_START;
+ sd->avg_lum = 0;
+ } else {
+ sd->ag_cnt = -1;
+ }
+ return 0;
+}
+
+static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->autogain;
+ return 0;
+}
+
+/* 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 -- */
+static __devinitdata struct usb_device_id device_table[] = {
+ {USB_DEVICE(0x093a, 0x2600)},
+ {USB_DEVICE(0x093a, 0x2601)},
+ {USB_DEVICE(0x093a, 0x2603)},
+ {USB_DEVICE(0x093a, 0x2608)},
+ {USB_DEVICE(0x093a, 0x260e)},
+ {USB_DEVICE(0x093a, 0x260f)},
+ {USB_DEVICE(0x093a, 0x2621)},
+ {}
+};
+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, "registered");
+ 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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 07:32:09 +0000