diff options
Diffstat (limited to 'drivers/media/video/gspca/spca561.c')
| -rw-r--r-- | drivers/media/video/gspca/spca561.c | 1028 |
1 files changed, 0 insertions, 1028 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c deleted file mode 100644 index a26174508cb..00000000000 --- a/drivers/media/video/gspca/spca561.c +++ /dev/null @@ -1,1028 +0,0 @@ -/* - * 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); |
