diff options
author | Jean-Francois Moine <moinejf@free.fr> | 2008-06-30 15:50:11 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 07:14:49 -0300 |
commit | 6a7eba24e4f0ff725d33159f6265e3a79d53a833 (patch) | |
tree | 3e50d669cb91affbcfad9333d74ddc452783094f /drivers/media/video/gspca/spca561.c | |
parent | d43fa32fec442571f10f5d0c3b553413288728de (diff) |
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>
Diffstat (limited to 'drivers/media/video/gspca/spca561.c')
-rw-r--r-- | drivers/media/video/gspca/spca561.c | 1025 |
1 files changed, 1025 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c new file mode 100644 index 00000000000..a94e6270115 --- /dev/null +++ b/drivers/media/video/gspca/spca561.c @@ -0,0 +1,1025 @@ +/* + * 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" + +#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/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 cam_mode sif_mode[] = { + {V4L2_PIX_FMT_SPCA561, 160, 120, 3}, + {V4L2_PIX_FMT_SPCA561, 176, 144, 2}, + {V4L2_PIX_FMT_SPCA561, 320, 240, 1}, + {V4L2_PIX_FMT_SPCA561, 352, 288, 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, __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++; + } +} + +static void reg_r(struct usb_device *dev, + __u16 index, __u8 *buffer, __u16 length) +{ + usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + 0, /* request */ + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, buffer, length, 500); +} + +static void reg_w_buf(struct usb_device *dev, + __u16 index, __u8 *buffer, __u16 length) +{ + usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + 0, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, buffer, length, 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; + __u8 Data; + + 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->dev, 0x8803, &Data, 1); + if (!Data) + break; + } +} + +static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode) +{ + int retry = 60; + __u8 value; + __u8 vallsb; + __u8 Data; + + 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->dev, 0x8803, &Data, 1); + if (!Data) + break; + } + if (retry == 0) + return -1; + reg_r(gspca_dev->dev, 0x8800, &value, 1); + reg_r(gspca_dev->dev, 0x8805, &vallsb, 1); + return ((int) value << 8) | vallsb; +} + +static __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 __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 __u16 Pb100_2map8300[][2] = { + /* reg, value */ + {0x8339, 0x0000}, + {0x8307, 0x00aa}, + {} +}; + +static __u16 spca561_161rev12A_data1[][2] = { + {0x21, 0x8118}, + {0x01, 0x8114}, + {0x00, 0x8112}, + {0x92, 0x8804}, + {0x04, 0x8802}, /* windows uses 08 */ + {} +}; +static __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, + __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->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 usb_device *dev = gspca_dev->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(dev, 0x8104, &data1, 1); + reg_r(dev, 0x8105, &data2, 1); + vendor = (data2 << 8) | data1; + reg_r(dev, 0x8106, &data1, 1); + reg_r(dev, 0x8107, &data2, 1); + product = (data2 << 8) | data1; + if (vendor != id->idVendor || product != id->idProduct) { + PDEBUG(D_PROBE, "Bad vendor / product from device"); + return -EINVAL; + } + switch (product) { + case 0x0928: + case 0x0929: + case 0x092a: + case 0x092b: + case 0x092c: + case 0x092d: + case 0x092e: + case 0x092f: + case 0x403b: + sd->chip_revision = Rev012A; + break; + default: +/* case 0x0561: + case 0x0815: * ?? in spca508.c + case 0x401a: + case 0x7004: + case 0x7e50: + case 0xa001: + case 0xcdee: */ + sd->chip_revision = Rev072A; + break; + } + 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->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(dev, 0x8391, Reg8391, 8); + reg_w_buf(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].mode; + 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(dev, 0x8307, Reg8307, 2); + reg_w_val(dev, 0x8700, Clck); /* 0x8f 0x85 0x27 clock */ + reg_w_val(dev, 0x8112, 0x1e | 0x20); + reg_w_val(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->dev, 0x8621, &Gr, 1); + reg_r(gspca_dev->dev, 0x8622, &R, 1); + reg_r(gspca_dev->dev, 0x8623, &B, 1); + reg_r(gspca_dev->dev, 0x8624, &Gb, 1); + 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 { + /*fixme: which format?*/ + 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; + __u8 value; + __u16 tot; + + switch (sd->chip_revision) { + case Rev072A: + tot = 0; + reg_r(gspca_dev->dev, 0x8611, &value, 1); + tot += value; + reg_r(gspca_dev->dev, 0x8612, &value, 1); + tot += value; + reg_r(gspca_dev->dev, 0x8613, &value, 1); + tot += value; + reg_r(gspca_dev->dev, 0x8614, &value, 1); + tot += value; + 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; + __u8 value; + __u16 tot; + + switch (sd->chip_revision) { + case Rev072A: + tot = 0; + reg_r(gspca_dev->dev, 0x8651, &value, 1); + tot += value; + reg_r(gspca_dev->dev, 0x8652, &value, 1); + tot += value; + reg_r(gspca_dev->dev, 0x8653, &value, 1); + tot += value; + reg_r(gspca_dev->dev, 0x8654, &value, 1); + tot += value; + 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 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(0x041e, 0x401a), DVNM("Creative Webcam Vista (PD1100)")}, + {USB_DEVICE(0x041e, 0x403b), DVNM("Creative Webcam Vista (VF0010)")}, + {USB_DEVICE(0x0458, 0x7004), DVNM("Genius VideoCAM Express V2")}, + {USB_DEVICE(0x046d, 0x0928), DVNM("Logitech QC Express Etch2")}, + {USB_DEVICE(0x046d, 0x0929), DVNM("Labtec Webcam Elch2")}, + {USB_DEVICE(0x046d, 0x092a), DVNM("Logitech QC for Notebook")}, + {USB_DEVICE(0x046d, 0x092b), DVNM("Labtec Webcam Plus")}, + {USB_DEVICE(0x046d, 0x092c), DVNM("Logitech QC chat Elch2")}, + {USB_DEVICE(0x046d, 0x092d), DVNM("Logitech QC Elch2")}, + {USB_DEVICE(0x046d, 0x092e), DVNM("Logitech QC Elch2")}, + {USB_DEVICE(0x046d, 0x092f), DVNM("Logitech QC Elch2")}, + {USB_DEVICE(0x04fc, 0x0561), DVNM("Flexcam 100")}, + {USB_DEVICE(0x060b, 0xa001), DVNM("Maxell Compact Pc PM3")}, + {USB_DEVICE(0x10fd, 0x7e50), DVNM("FlyCam Usb 100")}, + {USB_DEVICE(0xabcd, 0xcdee), DVNM("Petcam")}, + {} +}; + +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); |