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path: root/drivers/media/video/gspca/spca561.c
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-rw-r--r--drivers/media/video/gspca/spca561.c1028
1 files changed, 1028 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c
new file mode 100644
index 000000000000..a26174508cb9
--- /dev/null
+++ b/drivers/media/video/gspca/spca561.c
@@ -0,0 +1,1028 @@
+/*
+ * Sunplus spca561 subdriver
+ *
+ * Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
+ *
+ * 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 "spca561"
+
+#include "gspca.h"
+
+MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
+MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* specific webcam descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+
+ unsigned short contrast;
+ __u8 brightness;
+ __u8 autogain;
+
+ __u8 chip_revision;
+ 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_setautogain(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
+
+static struct ctrl sd_ctrls[] = {
+#define SD_BRIGHTNESS 0
+ {
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Brightness",
+ .minimum = 0,
+ .maximum = 63,
+ .step = 1,
+ .default_value = 32,
+ },
+ .set = sd_setbrightness,
+ .get = sd_getbrightness,
+ },
+#define SD_CONTRAST 1
+ {
+ {
+ .id = V4L2_CID_CONTRAST,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 0x3fff,
+ .step = 1,
+ .default_value = 0x2000,
+ },
+ .set = sd_setcontrast,
+ .get = sd_getcontrast,
+ },
+#define SD_AUTOGAIN 2
+ {
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Auto Gain",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1,
+ },
+ .set = sd_setautogain,
+ .get = sd_getautogain,
+ },
+};
+
+static struct v4l2_pix_format sif_mode[] = {
+ {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 160,
+ .sizeimage = 160 * 120,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 3},
+ {176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 176 * 144,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 2},
+ {320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 4 / 8,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
+ .bytesperline = 352,
+ .sizeimage = 352 * 288 * 4 / 8,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+
+/*
+ * Initialization data
+ * I'm not very sure how to split initialization from open data
+ * chunks. For now, we'll consider everything as initialization
+ */
+/* Frame packet header offsets for the spca561 */
+#define SPCA561_OFFSET_SNAP 1
+#define SPCA561_OFFSET_TYPE 2
+#define SPCA561_OFFSET_COMPRESS 3
+#define SPCA561_OFFSET_FRAMSEQ 4
+#define SPCA561_OFFSET_GPIO 5
+#define SPCA561_OFFSET_USBBUFF 6
+#define SPCA561_OFFSET_WIN2GRAVE 7
+#define SPCA561_OFFSET_WIN2RAVE 8
+#define SPCA561_OFFSET_WIN2BAVE 9
+#define SPCA561_OFFSET_WIN2GBAVE 10
+#define SPCA561_OFFSET_WIN1GRAVE 11
+#define SPCA561_OFFSET_WIN1RAVE 12
+#define SPCA561_OFFSET_WIN1BAVE 13
+#define SPCA561_OFFSET_WIN1GBAVE 14
+#define SPCA561_OFFSET_FREQ 15
+#define SPCA561_OFFSET_VSYNC 16
+#define SPCA561_OFFSET_DATA 1
+#define SPCA561_INDEX_I2C_BASE 0x8800
+#define SPCA561_SNAPBIT 0x20
+#define SPCA561_SNAPCTRL 0x40
+enum {
+ Rev072A = 0,
+ Rev012A,
+};
+
+static void reg_w_val(struct usb_device *dev, __u16 index, __u16 value)
+{
+ int ret;
+
+ ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ 0, /* request */
+ USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index, NULL, 0, 500);
+ PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
+ if (ret < 0)
+ PDEBUG(D_ERR, "reg write: error %d", ret);
+}
+
+static void write_vector(struct gspca_dev *gspca_dev,
+ const __u16 data[][2])
+{
+ struct usb_device *dev = gspca_dev->dev;
+ int i;
+
+ i = 0;
+ while (data[i][1] != 0) {
+ reg_w_val(dev, data[i][1], data[i][0]);
+ i++;
+ }
+}
+
+/* read 'len' bytes to gspca_dev->usb_buf */
+static void reg_r(struct gspca_dev *gspca_dev,
+ __u16 index, __u16 length)
+{
+ 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, length, 500);
+}
+
+static void reg_w_buf(struct gspca_dev *gspca_dev,
+ __u16 index, const __u8 *buffer, __u16 len)
+{
+ memcpy(gspca_dev->usb_buf, buffer, len);
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0, /* request */
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, /* value */
+ index, gspca_dev->usb_buf, len, 500);
+}
+
+static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
+{
+ reg_w_val(gspca_dev->dev, 0x92, 0x8804);
+ reg_w_val(gspca_dev->dev, mode, 0x8802);
+}
+
+static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
+{
+ int retry = 60;
+ __u8 DataLow;
+ __u8 DataHight;
+
+ DataLow = valeur;
+ DataHight = valeur >> 8;
+ reg_w_val(gspca_dev->dev, reg, 0x8801);
+ reg_w_val(gspca_dev->dev, DataLow, 0x8805);
+ reg_w_val(gspca_dev->dev, DataHight, 0x8800);
+ while (retry--) {
+ reg_r(gspca_dev, 0x8803, 1);
+ if (!gspca_dev->usb_buf[0])
+ break;
+ }
+}
+
+static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
+{
+ int retry = 60;
+ __u8 value;
+ __u8 vallsb;
+
+ reg_w_val(gspca_dev->dev, 0x92, 0x8804);
+ reg_w_val(gspca_dev->dev, reg, 0x8801);
+ reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
+ while (retry--) {
+ reg_r(gspca_dev, 0x8803, 1);
+ if (!gspca_dev->usb_buf)
+ break;
+ }
+ if (retry == 0)
+ return -1;
+ reg_r(gspca_dev, 0x8800, 1);
+ value = gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8805, 1);
+ vallsb = gspca_dev->usb_buf[0];
+ return ((int) value << 8) | vallsb;
+}
+
+static const __u16 spca561_init_data[][2] = {
+ {0x0000, 0x8114}, /* Software GPIO output data */
+ {0x0001, 0x8114}, /* Software GPIO output data */
+ {0x0000, 0x8112}, /* Some kind of reset */
+ {0x0003, 0x8701}, /* PCLK clock delay adjustment */
+ {0x0001, 0x8703}, /* HSYNC from cmos inverted */
+ {0x0011, 0x8118}, /* Enable and conf sensor */
+ {0x0001, 0x8118}, /* Conf sensor */
+ {0x0092, 0x8804}, /* I know nothing about these */
+ {0x0010, 0x8802}, /* 0x88xx registers, so I won't */
+ /***************/
+ {0x000d, 0x8805}, /* sensor default setting */
+ {0x0001, 0x8801}, /* 1 <- 0x0d */
+ {0x0000, 0x8800},
+ {0x0018, 0x8805},
+ {0x0002, 0x8801}, /* 2 <- 0x18 */
+ {0x0000, 0x8800},
+ {0x0065, 0x8805},
+ {0x0004, 0x8801}, /* 4 <- 0x01 0x65 */
+ {0x0001, 0x8800},
+ {0x0021, 0x8805},
+ {0x0005, 0x8801}, /* 5 <- 0x21 */
+ {0x0000, 0x8800},
+ {0x00aa, 0x8805},
+ {0x0007, 0x8801}, /* 7 <- 0xaa */
+ {0x0000, 0x8800},
+ {0x0004, 0x8805},
+ {0x0020, 0x8801}, /* 0x20 <- 0x15 0x04 */
+ {0x0015, 0x8800},
+ {0x0002, 0x8805},
+ {0x0039, 0x8801}, /* 0x39 <- 0x02 */
+ {0x0000, 0x8800},
+ {0x0010, 0x8805},
+ {0x0035, 0x8801}, /* 0x35 <- 0x10 */
+ {0x0000, 0x8800},
+ {0x0049, 0x8805},
+ {0x0009, 0x8801}, /* 0x09 <- 0x10 0x49 */
+ {0x0010, 0x8800},
+ {0x000b, 0x8805},
+ {0x0028, 0x8801}, /* 0x28 <- 0x0b */
+ {0x0000, 0x8800},
+ {0x000f, 0x8805},
+ {0x003b, 0x8801}, /* 0x3b <- 0x0f */
+ {0x0000, 0x8800},
+ {0x0000, 0x8805},
+ {0x003c, 0x8801}, /* 0x3c <- 0x00 */
+ {0x0000, 0x8800},
+ /***************/
+ {0x0018, 0x8601}, /* Pixel/line selection for color separation */
+ {0x0000, 0x8602}, /* Optical black level for user setting */
+ {0x0060, 0x8604}, /* Optical black horizontal offset */
+ {0x0002, 0x8605}, /* Optical black vertical offset */
+ {0x0000, 0x8603}, /* Non-automatic optical black level */
+ {0x0002, 0x865b}, /* Horizontal offset for valid pixels */
+ {0x0000, 0x865f}, /* Vertical valid pixels window (x2) */
+ {0x00b0, 0x865d}, /* Horizontal valid pixels window (x2) */
+ {0x0090, 0x865e}, /* Vertical valid lines window (x2) */
+ {0x00e0, 0x8406}, /* Memory buffer threshold */
+ {0x0000, 0x8660}, /* Compensation memory stuff */
+ {0x0002, 0x8201}, /* Output address for r/w serial EEPROM */
+ {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
+ {0x0001, 0x8200}, /* OprMode to be executed by hardware */
+ {0x0007, 0x8201}, /* Output address for r/w serial EEPROM */
+ {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
+ {0x0001, 0x8200}, /* OprMode to be executed by hardware */
+ {0x0010, 0x8660}, /* Compensation memory stuff */
+ {0x0018, 0x8660}, /* Compensation memory stuff */
+
+ {0x0004, 0x8611}, /* R offset for white balance */
+ {0x0004, 0x8612}, /* Gr offset for white balance */
+ {0x0007, 0x8613}, /* B offset for white balance */
+ {0x0000, 0x8614}, /* Gb offset for white balance */
+ {0x008c, 0x8651}, /* R gain for white balance */
+ {0x008c, 0x8652}, /* Gr gain for white balance */
+ {0x00b5, 0x8653}, /* B gain for white balance */
+ {0x008c, 0x8654}, /* Gb gain for white balance */
+ {0x0002, 0x8502}, /* Maximum average bit rate stuff */
+
+ {0x0011, 0x8802},
+ {0x0087, 0x8700}, /* Set master clock (96Mhz????) */
+ {0x0081, 0x8702}, /* Master clock output enable */
+
+ {0x0000, 0x8500}, /* Set image type (352x288 no compression) */
+ /* Originally was 0x0010 (352x288 compression) */
+
+ {0x0002, 0x865b}, /* Horizontal offset for valid pixels */
+ {0x0003, 0x865c}, /* Vertical offset for valid lines */
+ /***************//* sensor active */
+ {0x0003, 0x8801}, /* 0x03 <- 0x01 0x21 //289 */
+ {0x0021, 0x8805},
+ {0x0001, 0x8800},
+ {0x0004, 0x8801}, /* 0x04 <- 0x01 0x65 //357 */
+ {0x0065, 0x8805},
+ {0x0001, 0x8800},
+ {0x0005, 0x8801}, /* 0x05 <- 0x2f */
+ {0x002f, 0x8805},
+ {0x0000, 0x8800},
+ {0x0006, 0x8801}, /* 0x06 <- 0 */
+ {0x0000, 0x8805},
+ {0x0000, 0x8800},
+ {0x000a, 0x8801}, /* 0x0a <- 2 */
+ {0x0002, 0x8805},
+ {0x0000, 0x8800},
+ {0x0009, 0x8801}, /* 0x09 <- 0x1061 */
+ {0x0061, 0x8805},
+ {0x0010, 0x8800},
+ {0x0035, 0x8801}, /* 0x35 <-0x14 */
+ {0x0014, 0x8805},
+ {0x0000, 0x8800},
+ {0x0030, 0x8112}, /* ISO and drop packet enable */
+ {0x0000, 0x8112}, /* Some kind of reset ???? */
+ {0x0009, 0x8118}, /* Enable sensor and set standby */
+ {0x0000, 0x8114}, /* Software GPIO output data */
+ {0x0000, 0x8114}, /* Software GPIO output data */
+ {0x0001, 0x8114}, /* Software GPIO output data */
+ {0x0000, 0x8112}, /* Some kind of reset ??? */
+ {0x0003, 0x8701},
+ {0x0001, 0x8703},
+ {0x0011, 0x8118},
+ {0x0001, 0x8118},
+ /***************/
+ {0x0092, 0x8804},
+ {0x0010, 0x8802},
+ {0x000d, 0x8805},
+ {0x0001, 0x8801},
+ {0x0000, 0x8800},
+ {0x0018, 0x8805},
+ {0x0002, 0x8801},
+ {0x0000, 0x8800},
+ {0x0065, 0x8805},
+ {0x0004, 0x8801},
+ {0x0001, 0x8800},
+ {0x0021, 0x8805},
+ {0x0005, 0x8801},
+ {0x0000, 0x8800},
+ {0x00aa, 0x8805},
+ {0x0007, 0x8801}, /* mode 0xaa */
+ {0x0000, 0x8800},
+ {0x0004, 0x8805},
+ {0x0020, 0x8801},
+ {0x0015, 0x8800}, /* mode 0x0415 */
+ {0x0002, 0x8805},
+ {0x0039, 0x8801},
+ {0x0000, 0x8800},
+ {0x0010, 0x8805},
+ {0x0035, 0x8801},
+ {0x0000, 0x8800},
+ {0x0049, 0x8805},
+ {0x0009, 0x8801},
+ {0x0010, 0x8800},
+ {0x000b, 0x8805},
+ {0x0028, 0x8801},
+ {0x0000, 0x8800},
+ {0x000f, 0x8805},
+ {0x003b, 0x8801},
+ {0x0000, 0x8800},
+ {0x0000, 0x8805},
+ {0x003c, 0x8801},
+ {0x0000, 0x8800},
+ {0x0002, 0x8502},
+ {0x0039, 0x8801},
+ {0x0000, 0x8805},
+ {0x0000, 0x8800},
+
+ {0x0087, 0x8700}, /* overwrite by start */
+ {0x0081, 0x8702},
+ {0x0000, 0x8500},
+/* {0x0010, 0x8500}, -- Previous line was this */
+ {0x0002, 0x865b},
+ {0x0003, 0x865c},
+ /***************/
+ {0x0003, 0x8801}, /* 0x121-> 289 */
+ {0x0021, 0x8805},
+ {0x0001, 0x8800},
+ {0x0004, 0x8801}, /* 0x165 -> 357 */
+ {0x0065, 0x8805},
+ {0x0001, 0x8800},
+ {0x0005, 0x8801}, /* 0x2f //blanking control colonne */
+ {0x002f, 0x8805},
+ {0x0000, 0x8800},
+ {0x0006, 0x8801}, /* 0x00 //blanking mode row */
+ {0x0000, 0x8805},
+ {0x0000, 0x8800},
+ {0x000a, 0x8801}, /* 0x01 //0x02 */
+ {0x0001, 0x8805},
+ {0x0000, 0x8800},
+ {0x0009, 0x8801}, /* 0x1061 - setexposure times && pixel clock
+ * 0001 0 | 000 0110 0001 */
+ {0x0061, 0x8805}, /* 61 31 */
+ {0x0008, 0x8800}, /* 08 */
+ {0x0035, 0x8801}, /* 0x14 - set gain general */
+ {0x001f, 0x8805}, /* 0x14 */
+ {0x0000, 0x8800},
+ {0x0030, 0x8112},
+ {}
+};
+
+static void sensor_reset(struct gspca_dev *gspca_dev)
+{
+ reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
+ reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
+ reg_w_val(gspca_dev->dev, 0x8112, 0x00);
+ reg_w_val(gspca_dev->dev, 0x8114, 0x00);
+ reg_w_val(gspca_dev->dev, 0x8118, 0x21);
+ i2c_init(gspca_dev, 0x14);
+ i2c_write(gspca_dev, 1, 0x0d);
+ i2c_write(gspca_dev, 0, 0x0d);
+}
+
+/******************** QC Express etch2 stuff ********************/
+static const __u16 Pb100_1map8300[][2] = {
+ /* reg, value */
+ {0x8320, 0x3304},
+
+ {0x8303, 0x0125}, /* image area */
+ {0x8304, 0x0169},
+ {0x8328, 0x000b},
+ {0x833c, 0x0001},
+
+ {0x832f, 0x0419},
+ {0x8307, 0x00aa},
+ {0x8301, 0x0003},
+ {0x8302, 0x000e},
+ {}
+};
+static const __u16 Pb100_2map8300[][2] = {
+ /* reg, value */
+ {0x8339, 0x0000},
+ {0x8307, 0x00aa},
+ {}
+};
+
+static const __u16 spca561_161rev12A_data1[][2] = {
+ {0x21, 0x8118},
+ {0x01, 0x8114},
+ {0x00, 0x8112},
+ {0x92, 0x8804},
+ {0x04, 0x8802}, /* windows uses 08 */
+ {}
+};
+static const __u16 spca561_161rev12A_data2[][2] = {
+ {0x21, 0x8118},
+ {0x10, 0x8500},
+ {0x07, 0x8601},
+ {0x07, 0x8602},
+ {0x04, 0x8501},
+ {0x21, 0x8118},
+
+ {0x07, 0x8201}, /* windows uses 02 */
+ {0x08, 0x8200},
+ {0x01, 0x8200},
+
+ {0x00, 0x8114},
+ {0x01, 0x8114}, /* windows uses 00 */
+
+ {0x90, 0x8604},
+ {0x00, 0x8605},
+ {0xb0, 0x8603},
+
+ /* sensor gains */
+ {0x00, 0x8610}, /* *red */
+ {0x00, 0x8611}, /* 3f *green */
+ {0x00, 0x8612}, /* green *blue */
+ {0x00, 0x8613}, /* blue *green */
+ {0x35, 0x8614}, /* green *red */
+ {0x35, 0x8615}, /* 40 *green */
+ {0x35, 0x8616}, /* 7a *blue */
+ {0x35, 0x8617}, /* 40 *green */
+
+ {0x0c, 0x8620}, /* 0c */
+ {0xc8, 0x8631}, /* c8 */
+ {0xc8, 0x8634}, /* c8 */
+ {0x23, 0x8635}, /* 23 */
+ {0x1f, 0x8636}, /* 1f */
+ {0xdd, 0x8637}, /* dd */
+ {0xe1, 0x8638}, /* e1 */
+ {0x1d, 0x8639}, /* 1d */
+ {0x21, 0x863a}, /* 21 */
+ {0xe3, 0x863b}, /* e3 */
+ {0xdf, 0x863c}, /* df */
+ {0xf0, 0x8505},
+ {0x32, 0x850a},
+ {}
+};
+
+static void sensor_mapwrite(struct gspca_dev *gspca_dev,
+ const __u16 sensormap[][2])
+{
+ int i = 0;
+ __u8 usbval[2];
+
+ while (sensormap[i][0]) {
+ usbval[0] = sensormap[i][1];
+ usbval[1] = sensormap[i][1] >> 8;
+ reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
+ i++;
+ }
+}
+static void init_161rev12A(struct gspca_dev *gspca_dev)
+{
+ sensor_reset(gspca_dev);
+ write_vector(gspca_dev, spca561_161rev12A_data1);
+ sensor_mapwrite(gspca_dev, Pb100_1map8300);
+ write_vector(gspca_dev, spca561_161rev12A_data2);
+ sensor_mapwrite(gspca_dev, Pb100_2map8300);
+}
+
+/* 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;
+ __u16 vendor, product;
+ __u8 data1, data2;
+
+ /* Read frm global register the USB product and vendor IDs, just to
+ * prove that we can communicate with the device. This works, which
+ * confirms at we are communicating properly and that the device
+ * is a 561. */
+ reg_r(gspca_dev, 0x8104, 1);
+ data1 = gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8105, 1);
+ data2 = gspca_dev->usb_buf[0];
+ vendor = (data2 << 8) | data1;
+ reg_r(gspca_dev, 0x8106, 1);
+ data1 = gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8107, 1);
+ data2 = gspca_dev->usb_buf[0];
+ product = (data2 << 8) | data1;
+ if (vendor != id->idVendor || product != id->idProduct) {
+ PDEBUG(D_PROBE, "Bad vendor / product from device");
+ return -EINVAL;
+ }
+
+ cam = &gspca_dev->cam;
+ cam->dev_name = (char *) id->driver_info;
+ cam->epaddr = 0x01;
+ gspca_dev->nbalt = 7 + 1; /* choose alternate 7 first */
+ cam->cam_mode = sif_mode;
+ cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
+
+ sd->chip_revision = id->driver_info;
+ sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
+ sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
+ sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
+ return 0;
+}
+
+/* this function is called at open time */
+static int sd_open(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ switch (sd->chip_revision) {
+ case Rev072A:
+ PDEBUG(D_STREAM, "Chip revision id: 072a");
+ write_vector(gspca_dev, spca561_init_data);
+ break;
+ default:
+/* case Rev012A: */
+ PDEBUG(D_STREAM, "Chip revision id: 012a");
+ init_161rev12A(gspca_dev);
+ break;
+ }
+ return 0;
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct usb_device *dev = gspca_dev->dev;
+ __u8 lowb;
+ int expotimes;
+
+ switch (sd->chip_revision) {
+ case Rev072A:
+ lowb = sd->contrast >> 8;
+ reg_w_val(dev, lowb, 0x8651);
+ reg_w_val(dev, lowb, 0x8652);
+ reg_w_val(dev, lowb, 0x8653);
+ reg_w_val(dev, lowb, 0x8654);
+ break;
+ case Rev012A: {
+ __u8 Reg8391[] =
+ { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };
+
+ /* Write camera sensor settings */
+ expotimes = (sd->contrast >> 5) & 0x07ff;
+ Reg8391[0] = expotimes & 0xff; /* exposure */
+ Reg8391[1] = 0x18 | (expotimes >> 8);
+ Reg8391[2] = sd->brightness; /* gain */
+ reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
+ reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
+ break;
+ }
+ }
+}
+
+static void sd_start(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct usb_device *dev = gspca_dev->dev;
+ int Clck;
+ __u8 Reg8307[] = { 0xaa, 0x00 };
+ int mode;
+
+ mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
+ switch (sd->chip_revision) {
+ case Rev072A:
+ switch (mode) {
+ default:
+/* case 0:
+ case 1: */
+ Clck = 0x25;
+ break;
+ case 2:
+ Clck = 0x22;
+ break;
+ case 3:
+ Clck = 0x21;
+ break;
+ }
+ reg_w_val(dev, 0x8500, mode); /* mode */
+ reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */
+ reg_w_val(dev, 0x8112, 0x10 | 0x20);
+ break;
+ default:
+/* case Rev012A: */
+ switch (mode) {
+ case 0:
+ case 1:
+ Clck = 0x8a;
+ break;
+ case 2:
+ Clck = 0x85;
+ break;
+ default:
+ Clck = 0x83;
+ break;
+ }
+ if (mode <= 1) {
+ /* Use compression on 320x240 and above */
+ reg_w_val(dev, 0x8500, 0x10 | mode);
+ } else {
+ /* I couldn't get the compression to work below 320x240
+ * Fortunately at these resolutions the bandwidth
+ * is sufficient to push raw frames at ~20fps */
+ reg_w_val(dev, 0x8500, mode);
+ } /* -- qq@kuku.eu.org */
+ reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
+ reg_w_val(gspca_dev->dev, 0x8700, Clck);
+ /* 0x8f 0x85 0x27 clock */
+ reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
+ reg_w_val(gspca_dev->dev, 0x850b, 0x03);
+ setcontrast(gspca_dev);
+ break;
+ }
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+ reg_w_val(gspca_dev->dev, 0x8112, 0x20);
+}
+
+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_val(gspca_dev->dev, 0x8114, 0);
+}
+
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int expotimes = 0;
+ int pixelclk = 0;
+ int gainG = 0;
+ __u8 R, Gr, Gb, B;
+ int y;
+ __u8 luma_mean = 110;
+ __u8 luma_delta = 20;
+ __u8 spring = 4;
+
+ switch (sd->chip_revision) {
+ case Rev072A:
+ reg_r(gspca_dev, 0x8621, 1);
+ Gr = gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8622, 1);
+ R = gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8623, 1);
+ B = gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8624, 1);
+ Gb = gspca_dev->usb_buf[0];
+ y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
+ /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
+ /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
+ /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
+
+ if (y < luma_mean - luma_delta ||
+ y > luma_mean + luma_delta) {
+ expotimes = i2c_read(gspca_dev, 0x09, 0x10);
+ pixelclk = 0x0800;
+ expotimes = expotimes & 0x07ff;
+ /* PDEBUG(D_PACK,
+ "Exposition Times 0x%03X Clock 0x%04X ",
+ expotimes,pixelclk); */
+ gainG = i2c_read(gspca_dev, 0x35, 0x10);
+ /* PDEBUG(D_PACK,
+ "reading Gain register %d", gainG); */
+
+ expotimes += (luma_mean - y) >> spring;
+ gainG += (luma_mean - y) / 50;
+ /* PDEBUG(D_PACK,
+ "compute expotimes %d gain %d",
+ expotimes,gainG); */
+
+ if (gainG > 0x3f)
+ gainG = 0x3f;
+ else if (gainG < 4)
+ gainG = 3;
+ i2c_write(gspca_dev, gainG, 0x35);
+
+ if (expotimes >= 0x0256)
+ expotimes = 0x0256;
+ else if (expotimes < 4)
+ expotimes = 3;
+ i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
+ }
+ break;
+ case Rev012A:
+ /* sensor registers is access and memory mapped to 0x8300 */
+ /* readind all 0x83xx block the sensor */
+ /*
+ * The data from the header seem wrong where is the luma
+ * and chroma mean value
+ * at the moment set exposure in contrast set
+ */
+ break;
+ }
+}
+
+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;
+
+ switch (data[0]) {
+ case 0: /* start of frame */
+ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
+ data, 0);
+ if (sd->ag_cnt >= 0) {
+ if (--sd->ag_cnt < 0) {
+ sd->ag_cnt = AG_CNT_START;
+ setautogain(gspca_dev);
+ }
+ }
+ data += SPCA561_OFFSET_DATA;
+ len -= SPCA561_OFFSET_DATA;
+ if (data[1] & 0x10) {
+ /* compressed bayer */
+ gspca_frame_add(gspca_dev, FIRST_PACKET,
+ frame, data, len);
+ } else {
+ /* raw bayer (with a header, which we skip) */
+ data += 20;
+ len -= 20;
+ gspca_frame_add(gspca_dev, FIRST_PACKET,
+ frame, data, len);
+ }
+ return;
+ case 0xff: /* drop */
+/* gspca_dev->last_packet_type = DISCARD_PACKET; */
+ return;
+ }
+ data++;
+ len--;
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
+}
+
+static void setbrightness(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u8 value;
+
+ switch (sd->chip_revision) {
+ case Rev072A:
+ value = sd->brightness;
+ reg_w_val(gspca_dev->dev, value, 0x8611);
+ reg_w_val(gspca_dev->dev, value, 0x8612);
+ reg_w_val(gspca_dev->dev, value, 0x8613);
+ reg_w_val(gspca_dev->dev, value, 0x8614);
+ break;
+ default:
+/* case Rev012A: */
+ setcontrast(gspca_dev);
+ break;
+ }
+}
+
+static void getbrightness(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u16 tot;
+
+ switch (sd->chip_revision) {
+ case Rev072A:
+ tot = 0;
+ reg_r(gspca_dev, 0x8611, 1);
+ tot += gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8612, 1);
+ tot += gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8613, 1);
+ tot += gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8614, 1);
+ tot += gspca_dev->usb_buf[0];
+ sd->brightness = tot >> 2;
+ break;
+ default:
+/* case Rev012A: */
+ /* no way to read sensor settings */
+ break;
+ }
+}
+
+static void getcontrast(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u16 tot;
+
+ switch (sd->chip_revision) {
+ case Rev072A:
+ tot = 0;
+ reg_r(gspca_dev, 0x8651, 1);
+ tot += gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8652, 1);
+ tot += gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8653, 1);
+ tot += gspca_dev->usb_buf[0];
+ reg_r(gspca_dev, 0x8654, 1);
+ tot += gspca_dev->usb_buf[0];
+ sd->contrast = tot << 6;
+ break;
+ default:
+/* case Rev012A: */
+ /* no way to read sensor settings */
+ break;
+ }
+ PDEBUG(D_CONF, "get contrast %d", sd->contrast);
+}
+
+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_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;
+ 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 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 -- */
+static const __devinitdata struct usb_device_id device_table[] = {
+ {USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
+ {USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
+ {USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
+ {USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x092b), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x092c), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x092d), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x092e), .driver_info = Rev012A},
+ {USB_DEVICE(0x046d, 0x092f), .driver_info = Rev012A},
+ {USB_DEVICE(0x04fc, 0x0561), .driver_info = Rev072A},
+ {USB_DEVICE(0x060b, 0xa001), .driver_info = Rev072A},
+ {USB_DEVICE(0x10fd, 0x7e50), .driver_info = Rev072A},
+ {USB_DEVICE(0xabcd, 0xcdee), .driver_info = Rev072A},
+ {}
+};
+
+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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.