diff options
Diffstat (limited to 'drivers/media/video/gspca/ov534.c')
| -rw-r--r-- | drivers/media/video/gspca/ov534.c | 1003 |
1 files changed, 0 insertions, 1003 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c deleted file mode 100644 index 19e0bc60de1..00000000000 --- a/drivers/media/video/gspca/ov534.c +++ /dev/null @@ -1,1003 +0,0 @@ -/* - * ov534 gspca driver - * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> - * Copyright (C) 2008 Jim Paris <jim@jtan.com> - * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr - * - * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> - * USB protocol reverse engineered by Jim Paris <jim@jtan.com> - * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ - * - * 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 "ov534" - -#include "gspca.h" - -#define OV534_REG_ADDRESS 0xf1 /* sensor address */ -#define OV534_REG_SUBADDR 0xf2 -#define OV534_REG_WRITE 0xf3 -#define OV534_REG_READ 0xf4 -#define OV534_REG_OPERATION 0xf5 -#define OV534_REG_STATUS 0xf6 - -#define OV534_OP_WRITE_3 0x37 -#define OV534_OP_WRITE_2 0x33 -#define OV534_OP_READ_2 0xf9 - -#define CTRL_TIMEOUT 500 - -MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); -MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver"); -MODULE_LICENSE("GPL"); - -/* specific webcam descriptor */ -struct sd { - struct gspca_dev gspca_dev; /* !! must be the first item */ - __u32 last_pts; - u16 last_fid; - u8 frame_rate; - - u8 sensor; -#define SENSOR_OV772X 0 -#define SENSOR_OV965X 1 -}; - -/* V4L2 controls supported by the driver */ -static struct ctrl sd_ctrls[] = { -}; - -static const struct v4l2_pix_format vga_mode[] = { - {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, - .bytesperline = 640 * 2, - .sizeimage = 640 * 480 * 2, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 0}, -}; - -static const u8 bridge_init_ov722x[][2] = { - { 0xc2, 0x0c }, - { 0x88, 0xf8 }, - { 0xc3, 0x69 }, - { 0x89, 0xff }, - { 0x76, 0x03 }, - { 0x92, 0x01 }, - { 0x93, 0x18 }, - { 0x94, 0x10 }, - { 0x95, 0x10 }, - { 0xe2, 0x00 }, - { 0xe7, 0x3e }, - - { 0x96, 0x00 }, - - { 0x97, 0x20 }, - { 0x97, 0x20 }, - { 0x97, 0x20 }, - { 0x97, 0x0a }, - { 0x97, 0x3f }, - { 0x97, 0x4a }, - { 0x97, 0x20 }, - { 0x97, 0x15 }, - { 0x97, 0x0b }, - - { 0x8e, 0x40 }, - { 0x1f, 0x81 }, - { 0x34, 0x05 }, - { 0xe3, 0x04 }, - { 0x88, 0x00 }, - { 0x89, 0x00 }, - { 0x76, 0x00 }, - { 0xe7, 0x2e }, - { 0x31, 0xf9 }, - { 0x25, 0x42 }, - { 0x21, 0xf0 }, - - { 0x1c, 0x00 }, - { 0x1d, 0x40 }, - { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */ - { 0x1d, 0x00 }, /* payload size */ - { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */ - { 0x1d, 0x58 }, /* frame size */ - { 0x1d, 0x00 }, /* frame size */ - - { 0x1c, 0x0a }, - { 0x1d, 0x08 }, /* turn on UVC header */ - { 0x1d, 0x0e }, /* .. */ - - { 0x8d, 0x1c }, - { 0x8e, 0x80 }, - { 0xe5, 0x04 }, - - { 0xc0, 0x50 }, - { 0xc1, 0x3c }, - { 0xc2, 0x0c }, -}; - -static const u8 sensor_init_ov722x[][2] = { - { 0x12, 0x80 }, - { 0x11, 0x01 }, - - { 0x3d, 0x03 }, - { 0x17, 0x26 }, - { 0x18, 0xa0 }, - { 0x19, 0x07 }, - { 0x1a, 0xf0 }, - { 0x32, 0x00 }, - { 0x29, 0xa0 }, - { 0x2c, 0xf0 }, - { 0x65, 0x20 }, - { 0x11, 0x01 }, - { 0x42, 0x7f }, - { 0x63, 0xe0 }, - { 0x64, 0xff }, - { 0x66, 0x00 }, - { 0x13, 0xf0 }, - { 0x0d, 0x41 }, - { 0x0f, 0xc5 }, - { 0x14, 0x11 }, - - { 0x22, 0x7f }, - { 0x23, 0x03 }, - { 0x24, 0x40 }, - { 0x25, 0x30 }, - { 0x26, 0xa1 }, - { 0x2a, 0x00 }, - { 0x2b, 0x00 }, - { 0x6b, 0xaa }, - { 0x13, 0xff }, - - { 0x90, 0x05 }, - { 0x91, 0x01 }, - { 0x92, 0x03 }, - { 0x93, 0x00 }, - { 0x94, 0x60 }, - { 0x95, 0x3c }, - { 0x96, 0x24 }, - { 0x97, 0x1e }, - { 0x98, 0x62 }, - { 0x99, 0x80 }, - { 0x9a, 0x1e }, - { 0x9b, 0x08 }, - { 0x9c, 0x20 }, - { 0x9e, 0x81 }, - - { 0xa6, 0x04 }, - { 0x7e, 0x0c }, - { 0x7f, 0x16 }, - { 0x80, 0x2a }, - { 0x81, 0x4e }, - { 0x82, 0x61 }, - { 0x83, 0x6f }, - { 0x84, 0x7b }, - { 0x85, 0x86 }, - { 0x86, 0x8e }, - { 0x87, 0x97 }, - { 0x88, 0xa4 }, - { 0x89, 0xaf }, - { 0x8a, 0xc5 }, - { 0x8b, 0xd7 }, - { 0x8c, 0xe8 }, - { 0x8d, 0x20 }, - - { 0x0c, 0x90 }, - - { 0x2b, 0x00 }, - { 0x22, 0x7f }, - { 0x23, 0x03 }, - { 0x11, 0x01 }, - { 0x0c, 0xd0 }, - { 0x64, 0xff }, - { 0x0d, 0x41 }, - - { 0x14, 0x41 }, - { 0x0e, 0xcd }, - { 0xac, 0xbf }, - { 0x8e, 0x00 }, - { 0x0c, 0xd0 } -}; - -static const u8 bridge_init_ov965x[][2] = { - {0x88, 0xf8}, - {0x89, 0xff}, - {0x76, 0x03}, - {0x92, 0x03}, - {0x95, 0x10}, - {0xe2, 0x00}, - {0xe7, 0x3e}, - {0x8d, 0x1c}, - {0x8e, 0x00}, - {0x8f, 0x00}, - {0x1f, 0x00}, - {0xc3, 0xf9}, - {0x89, 0xff}, - {0x88, 0xf8}, - {0x76, 0x03}, - {0x92, 0x01}, - {0x93, 0x18}, - {0x1c, 0x0a}, - {0x1d, 0x48}, - {0xc0, 0x50}, - {0xc1, 0x3c}, - {0x34, 0x05}, - {0xc2, 0x0c}, - {0xc3, 0xf9}, - {0x34, 0x05}, - {0xe7, 0x2e}, - {0x31, 0xf9}, - {0x35, 0x02}, - {0xd9, 0x10}, - {0x25, 0x42}, - {0x94, 0x11}, -}; - -static const u8 sensor_init_ov965x[][2] = { - {0x12, 0x80}, /* com7 - reset */ - {0x00, 0x00}, /* gain */ - {0x01, 0x80}, /* blue */ - {0x02, 0x80}, /* red */ - {0x03, 0x1b}, /* vref */ - {0x04, 0x03}, /* com1 - exposure low bits */ - {0x0b, 0x57}, /* ver */ - {0x0e, 0x61}, /* com5 */ - {0x0f, 0x42}, /* com6 */ - {0x11, 0x00}, /* clkrc */ - {0x12, 0x02}, /* com7 */ - {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ - {0x14, 0x28}, /* com9 */ - {0x16, 0x24}, /* rsvd16 */ - {0x17, 0x1d}, /* hstart*/ - {0x18, 0xbd}, /* hstop */ - {0x19, 0x01}, /* vstrt */ - {0x1a, 0x81}, /* vstop*/ - {0x1e, 0x04}, /* mvfp */ - {0x24, 0x3c}, /* aew */ - {0x25, 0x36}, /* aeb */ - {0x26, 0x71}, /* vpt */ - {0x27, 0x08}, /* bbias */ - {0x28, 0x08}, /* gbbias */ - {0x29, 0x15}, /* gr com */ - {0x2a, 0x00}, - {0x2b, 0x00}, - {0x2c, 0x08}, /* rbias */ - {0x32, 0xff}, /* href */ - {0x33, 0x00}, /* chlf */ - {0x34, 0x3f}, /* arblm */ - {0x35, 0x00}, /* rsvd35 */ - {0x36, 0xf8}, /* rsvd36 */ - {0x38, 0x72}, /* acom38 */ - {0x39, 0x57}, /* ofon */ - {0x3a, 0x80}, /* tslb */ - {0x3b, 0xc4}, - {0x3d, 0x99}, /* com13 */ - {0x3f, 0xc1}, - {0x40, 0xc0}, /* com15 */ - {0x41, 0x40}, /* com16 */ - {0x42, 0xc0}, - {0x43, 0x0a}, - {0x44, 0xf0}, - {0x45, 0x46}, - {0x46, 0x62}, - {0x47, 0x2a}, - {0x48, 0x3c}, - {0x4a, 0xfc}, - {0x4b, 0xfc}, - {0x4c, 0x7f}, - {0x4d, 0x7f}, - {0x4e, 0x7f}, - {0x4f, 0x98}, - {0x50, 0x98}, - {0x51, 0x00}, - {0x52, 0x28}, - {0x53, 0x70}, - {0x54, 0x98}, - {0x58, 0x1a}, - {0x59, 0x85}, - {0x5a, 0xa9}, - {0x5b, 0x64}, - {0x5c, 0x84}, - {0x5d, 0x53}, - {0x5e, 0x0e}, - {0x5f, 0xf0}, - {0x60, 0xf0}, - {0x61, 0xf0}, - {0x62, 0x00}, /* lcc1 */ - {0x63, 0x00}, /* lcc2 */ - {0x64, 0x02}, /* lcc3 */ - {0x65, 0x16}, /* lcc4 */ - {0x66, 0x01}, /* lcc5 */ - {0x69, 0x02}, /* hv */ - {0x6b, 0x5a}, /* dbvl */ - {0x6c, 0x04}, - {0x6d, 0x55}, - {0x6e, 0x00}, - {0x6f, 0x9d}, - {0x70, 0x21}, - {0x71, 0x78}, - {0x72, 0x00}, - {0x73, 0x01}, - {0x74, 0x3a}, - {0x75, 0x35}, - {0x76, 0x01}, - {0x77, 0x02}, - {0x7a, 0x12}, - {0x7b, 0x08}, - {0x7c, 0x16}, - {0x7d, 0x30}, - {0x7e, 0x5e}, - {0x7f, 0x72}, - {0x80, 0x82}, - {0x81, 0x8e}, - {0x82, 0x9a}, - {0x83, 0xa4}, - {0x84, 0xac}, - {0x85, 0xb8}, - {0x86, 0xc3}, - {0x87, 0xd6}, - {0x88, 0xe6}, - {0x89, 0xf2}, - {0x8a, 0x03}, - {0x8c, 0x89}, - {0x14, 0x28}, /* com9 */ - {0x90, 0x7d}, - {0x91, 0x7b}, - {0x9d, 0x03}, - {0x9e, 0x04}, - {0x9f, 0x7a}, - {0xa0, 0x79}, - {0xa1, 0x40}, /* aechm */ - {0xa4, 0x50}, - {0xa5, 0x68}, /* com26 */ - {0xa6, 0x4a}, - {0xa8, 0xc1}, /* acoma8 */ - {0xa9, 0xef}, /* acoma9 */ - {0xaa, 0x92}, - {0xab, 0x04}, - {0xac, 0x80}, - {0xad, 0x80}, - {0xae, 0x80}, - {0xaf, 0x80}, - {0xb2, 0xf2}, - {0xb3, 0x20}, - {0xb4, 0x20}, - {0xb5, 0x00}, - {0xb6, 0xaf}, - {0xbb, 0xae}, - {0xbc, 0x7f}, - {0xdb, 0x7f}, - {0xbe, 0x7f}, - {0xbf, 0x7f}, - {0xc0, 0xe2}, - {0xc1, 0xc0}, - {0xc2, 0x01}, - {0xc3, 0x4e}, - {0xc6, 0x85}, - {0xc7, 0x80}, - {0xc9, 0xe0}, - {0xca, 0xe8}, - {0xcb, 0xf0}, - {0xcc, 0xd8}, - {0xcd, 0xf1}, - {0x4f, 0x98}, - {0x50, 0x98}, - {0x51, 0x00}, - {0x52, 0x28}, - {0x53, 0x70}, - {0x54, 0x98}, - {0x58, 0x1a}, - {0xff, 0x41}, /* read 41, write ff 00 */ - {0x41, 0x40}, /* com16 */ - {0xc5, 0x03}, - {0x6a, 0x02}, - - {0x12, 0x62}, /* com7 - VGA + CIF */ - {0x36, 0xfa}, /* rsvd36 */ - {0x69, 0x0a}, /* hv */ - {0x8c, 0x89}, /* com22 */ - {0x14, 0x28}, /* com9 */ - {0x3e, 0x0c}, - {0x41, 0x40}, /* com16 */ - {0x72, 0x00}, - {0x73, 0x00}, - {0x74, 0x3a}, - {0x75, 0x35}, - {0x76, 0x01}, - {0xc7, 0x80}, - {0x03, 0x12}, /* vref */ - {0x17, 0x16}, /* hstart */ - {0x18, 0x02}, /* hstop */ - {0x19, 0x01}, /* vstrt */ - {0x1a, 0x3d}, /* vstop */ - {0x32, 0xff}, /* href */ - {0xc0, 0xaa}, -}; - -static const u8 bridge_init_ov965x_2[][2] = { - {0x94, 0xaa}, - {0xf1, 0x60}, - {0xe5, 0x04}, - {0xc0, 0x50}, - {0xc1, 0x3c}, - {0x8c, 0x00}, - {0x8d, 0x1c}, - {0x34, 0x05}, - - {0xc2, 0x0c}, - {0xc3, 0xf9}, - {0xda, 0x01}, - {0x50, 0x00}, - {0x51, 0xa0}, - {0x52, 0x3c}, - {0x53, 0x00}, - {0x54, 0x00}, - {0x55, 0x00}, - {0x57, 0x00}, - {0x5c, 0x00}, - {0x5a, 0xa0}, - {0x5b, 0x78}, - {0x35, 0x02}, - {0xd9, 0x10}, - {0x94, 0x11}, -}; - -static const u8 sensor_init_ov965x_2[][2] = { - {0x3b, 0xc4}, - {0x1e, 0x04}, /* mvfp */ - {0x13, 0xe0}, /* com8 */ - {0x00, 0x00}, /* gain */ - {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ - {0x11, 0x03}, /* clkrc */ - {0x6b, 0x5a}, /* dblv */ - {0x6a, 0x05}, - {0xc5, 0x07}, - {0xa2, 0x4b}, - {0xa3, 0x3e}, - {0x2d, 0x00}, - {0xff, 0x42}, /* read 42, write ff 00 */ - {0x42, 0xc0}, - {0x2d, 0x00}, - {0xff, 0x42}, /* read 42, write ff 00 */ - {0x42, 0xc1}, - {0x3f, 0x01}, - {0xff, 0x42}, /* read 42, write ff 00 */ - {0x42, 0xc1}, - {0x4f, 0x98}, - {0x50, 0x98}, - {0x51, 0x00}, - {0x52, 0x28}, - {0x53, 0x70}, - {0x54, 0x98}, - {0x58, 0x1a}, - {0xff, 0x41}, /* read 41, write ff 00 */ - {0x41, 0x40}, /* com16 */ - {0x56, 0x40}, - {0x55, 0x8f}, - {0x10, 0x25}, /* aech - exposure high bits */ - {0xff, 0x13}, /* read 13, write ff 00 */ - {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ -}; - -static const u8 bridge_start_ov965x[][2] = { - {0xc2, 0x4c}, - {0xc3, 0xf9}, - {0x50, 0x00}, - {0x51, 0xa0}, - {0x52, 0x78}, - {0x53, 0x00}, - {0x54, 0x00}, - {0x55, 0x00}, - {0x57, 0x00}, - {0x5c, 0x00}, - {0x5a, 0x28}, - {0x5b, 0x1e}, - {0x35, 0x00}, - {0xd9, 0x21}, - {0x94, 0x11}, -}; - -static const u8 sensor_start_ov965x[][2] = { - {0x3b, 0xe4}, - {0x1e, 0x04}, /* mvfp */ - {0x13, 0xe0}, /* com8 */ - {0x00, 0x00}, - {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ - {0x11, 0x01}, /* clkrc */ - {0x6b, 0x5a}, /* dblv */ - {0x6a, 0x02}, - {0xc5, 0x03}, - {0xa2, 0x96}, - {0xa3, 0x7d}, - {0xff, 0x13}, /* read 13, write ff 00 */ - {0x13, 0xe7}, - {0x3a, 0x80}, - {0xff, 0x42}, /* read 42, write ff 00 */ - {0x42, 0xc1}, -}; - - -static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) -{ - struct usb_device *udev = gspca_dev->dev; - int ret; - - PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val); - gspca_dev->usb_buf[0] = val; - ret = usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), - 0x01, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); - if (ret < 0) - PDEBUG(D_ERR, "write failed"); -} - -static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) -{ - struct usb_device *udev = gspca_dev->dev; - int ret; - - ret = usb_control_msg(udev, - usb_rcvctrlpipe(udev, 0), - 0x01, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); - PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]); - if (ret < 0) - PDEBUG(D_ERR, "read failed"); - return gspca_dev->usb_buf[0]; -} - -/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. - * (direction and output)? */ -static void ov534_set_led(struct gspca_dev *gspca_dev, int status) -{ - u8 data; - - PDEBUG(D_CONF, "led status: %d", status); - - data = ov534_reg_read(gspca_dev, 0x21); - data |= 0x80; - ov534_reg_write(gspca_dev, 0x21, data); - - data = ov534_reg_read(gspca_dev, 0x23); - if (status) - data |= 0x80; - else - data &= ~0x80; - - ov534_reg_write(gspca_dev, 0x23, data); - - if (!status) { - data = ov534_reg_read(gspca_dev, 0x21); - data &= ~0x80; - ov534_reg_write(gspca_dev, 0x21, data); - } -} - -static int sccb_check_status(struct gspca_dev *gspca_dev) -{ - u8 data; - int i; - - for (i = 0; i < 5; i++) { - data = ov534_reg_read(gspca_dev, OV534_REG_STATUS); - - switch (data) { - case 0x00: - return 1; - case 0x04: - return 0; - case 0x03: - break; - default: - PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5", - data, i + 1); - } - } - return 0; -} - -static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) -{ - PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", reg, val); - ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); - ov534_reg_write(gspca_dev, OV534_REG_WRITE, val); - ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); - - if (!sccb_check_status(gspca_dev)) - PDEBUG(D_ERR, "sccb_reg_write failed"); -} - -static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) -{ - ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); - ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); - if (!sccb_check_status(gspca_dev)) - PDEBUG(D_ERR, "sccb_reg_read failed 1"); - - ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); - if (!sccb_check_status(gspca_dev)) - PDEBUG(D_ERR, "sccb_reg_read failed 2"); - - return ov534_reg_read(gspca_dev, OV534_REG_READ); -} - -/* output a bridge sequence (reg - val) */ -static void reg_w_array(struct gspca_dev *gspca_dev, - const u8 (*data)[2], int len) -{ - while (--len >= 0) { - ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]); - data++; - } -} - -/* output a sensor sequence (reg - val) */ -static void sccb_w_array(struct gspca_dev *gspca_dev, - const u8 (*data)[2], int len) -{ - while (--len >= 0) { - if ((*data)[0] != 0xff) { - sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]); - } else { - sccb_reg_read(gspca_dev, (*data)[1]); - sccb_reg_write(gspca_dev, 0xff, 0x00); - } - data++; - } -} - -/* set framerate */ -static void ov534_set_frame_rate(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - int fr = sd->frame_rate; - - switch (fr) { - case 50: - sccb_reg_write(gspca_dev, 0x11, 0x01); - sccb_reg_write(gspca_dev, 0x0d, 0x41); - ov534_reg_write(gspca_dev, 0xe5, 0x02); - break; - case 40: - sccb_reg_write(gspca_dev, 0x11, 0x02); - sccb_reg_write(gspca_dev, 0x0d, 0xc1); - ov534_reg_write(gspca_dev, 0xe5, 0x04); - break; -/* case 30: */ - default: - fr = 30; - sccb_reg_write(gspca_dev, 0x11, 0x04); - sccb_reg_write(gspca_dev, 0x0d, 0x81); - ov534_reg_write(gspca_dev, 0xe5, 0x02); - break; - case 15: - sccb_reg_write(gspca_dev, 0x11, 0x03); - sccb_reg_write(gspca_dev, 0x0d, 0x41); - ov534_reg_write(gspca_dev, 0xe5, 0x04); - break; - } - - sd->frame_rate = fr; - PDEBUG(D_PROBE, "frame_rate: %d", fr); -} - -/* 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; - - sd->sensor = id->driver_info; - - cam = &gspca_dev->cam; - - cam->cam_mode = vga_mode; - cam->nmodes = ARRAY_SIZE(vga_mode); - - cam->bulk_size = 16384; - cam->bulk_nurbs = 2; - - return 0; -} - -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - u16 sensor_id; - static const u8 sensor_addr[2] = { - 0x42, /* 0 SENSOR_OV772X */ - 0x60, /* 1 SENSOR_OV965X */ - }; - - /* reset bridge */ - ov534_reg_write(gspca_dev, 0xe7, 0x3a); - ov534_reg_write(gspca_dev, 0xe0, 0x08); - msleep(100); - - /* initialize the sensor address */ - ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, - sensor_addr[sd->sensor]); - - /* reset sensor */ - sccb_reg_write(gspca_dev, 0x12, 0x80); - msleep(10); - - /* probe the sensor */ - sccb_reg_read(gspca_dev, 0x0a); - sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8; - sccb_reg_read(gspca_dev, 0x0b); - sensor_id |= sccb_reg_read(gspca_dev, 0x0b); - PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id); - - /* initialize */ - switch (sd->sensor) { - case SENSOR_OV772X: - reg_w_array(gspca_dev, bridge_init_ov722x, - ARRAY_SIZE(bridge_init_ov722x)); - ov534_set_led(gspca_dev, 1); - sccb_w_array(gspca_dev, sensor_init_ov722x, - ARRAY_SIZE(sensor_init_ov722x)); - ov534_reg_write(gspca_dev, 0xe0, 0x09); - ov534_set_led(gspca_dev, 0); - ov534_set_frame_rate(gspca_dev); - break; - default: -/* case SENSOR_OV965X: */ - reg_w_array(gspca_dev, bridge_init_ov965x, - ARRAY_SIZE(bridge_init_ov965x)); - sccb_w_array(gspca_dev, sensor_init_ov965x, - ARRAY_SIZE(sensor_init_ov965x)); - reg_w_array(gspca_dev, bridge_init_ov965x_2, - ARRAY_SIZE(bridge_init_ov965x_2)); - sccb_w_array(gspca_dev, sensor_init_ov965x_2, - ARRAY_SIZE(sensor_init_ov965x_2)); - ov534_reg_write(gspca_dev, 0xe0, 0x00); - ov534_reg_write(gspca_dev, 0xe0, 0x01); - ov534_set_led(gspca_dev, 0); - ov534_reg_write(gspca_dev, 0xe0, 0x00); - } - - return 0; -} - -static int sd_start(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - switch (sd->sensor) { - case SENSOR_OV772X: - ov534_set_led(gspca_dev, 1); - ov534_reg_write(gspca_dev, 0xe0, 0x00); - break; - default: -/* case SENSOR_OV965X: */ - reg_w_array(gspca_dev, bridge_start_ov965x, - ARRAY_SIZE(bridge_start_ov965x)); - sccb_w_array(gspca_dev, sensor_start_ov965x, - ARRAY_SIZE(sensor_start_ov965x)); - ov534_reg_write(gspca_dev, 0xe0, 0x00); - ov534_set_led(gspca_dev, 1); -/*fixme: other sensor start omitted*/ - } - return 0; -} - -static void sd_stopN(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - switch (sd->sensor) { - case SENSOR_OV772X: - ov534_reg_write(gspca_dev, 0xe0, 0x09); - ov534_set_led(gspca_dev, 0); - break; - default: -/* case SENSOR_OV965X: */ - ov534_reg_write(gspca_dev, 0xe0, 0x01); - ov534_set_led(gspca_dev, 0); - ov534_reg_write(gspca_dev, 0xe0, 0x00); - break; - } -} - -/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ -#define UVC_STREAM_EOH (1 << 7) -#define UVC_STREAM_ERR (1 << 6) -#define UVC_STREAM_STI (1 << 5) -#define UVC_STREAM_RES (1 << 4) -#define UVC_STREAM_SCR (1 << 3) -#define UVC_STREAM_PTS (1 << 2) -#define UVC_STREAM_EOF (1 << 1) -#define UVC_STREAM_FID (1 << 0) - -static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, - __u8 *data, int len) -{ - struct sd *sd = (struct sd *) gspca_dev; - __u32 this_pts; - u16 this_fid; - int remaining_len = len; - - do { - len = min(remaining_len, 2040); /*fixme: was 2048*/ - - /* Payloads are prefixed with a UVC-style header. We - consider a frame to start when the FID toggles, or the PTS - changes. A frame ends when EOF is set, and we've received - the correct number of bytes. */ - - /* Verify UVC header. Header length is always 12 */ - if (data[0] != 12 || len < 12) { - PDEBUG(D_PACK, "bad header"); - goto discard; - } - - /* Check errors */ - if (data[1] & UVC_STREAM_ERR) { - PDEBUG(D_PACK, "payload error"); - goto discard; - } - - /* Extract PTS and FID */ - if (!(data[1] & UVC_STREAM_PTS)) { - PDEBUG(D_PACK, "PTS not present"); - goto discard; - } - this_pts = (data[5] << 24) | (data[4] << 16) - | (data[3] << 8) | data[2]; - this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0; - - /* If PTS or FID has changed, start a new frame. */ - if (this_pts != sd->last_pts || this_fid != sd->last_fid) { - gspca_frame_add(gspca_dev, FIRST_PACKET, frame, - NULL, 0); - sd->last_pts = this_pts; - sd->last_fid = this_fid; - } - - /* Add the data from this payload */ - gspca_frame_add(gspca_dev, INTER_PACKET, frame, - data + 12, len - 12); - - /* If this packet is marked as EOF, end the frame */ - if (data[1] & UVC_STREAM_EOF) { - sd->last_pts = 0; - - if (frame->data_end - frame->data != - gspca_dev->width * gspca_dev->height * 2) { - PDEBUG(D_PACK, "short frame"); - goto discard; - } - - frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, - NULL, 0); - } - - /* Done this payload */ - goto scan_next; - -discard: - /* Discard data until a new frame starts. */ - gspca_frame_add(gspca_dev, DISCARD_PACKET, frame, NULL, 0); - -scan_next: - remaining_len -= len; - data += len; - } while (remaining_len > 0); -} - -/* get stream parameters (framerate) */ -static int sd_get_streamparm(struct gspca_dev *gspca_dev, - struct v4l2_streamparm *parm) -{ - struct v4l2_captureparm *cp = &parm->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; - struct sd *sd = (struct sd *) gspca_dev; - - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - cp->capability |= V4L2_CAP_TIMEPERFRAME; - tpf->numerator = 1; - tpf->denominator = sd->frame_rate; - - return 0; -} - -/* set stream parameters (framerate) */ -static int sd_set_streamparm(struct gspca_dev *gspca_dev, - struct v4l2_streamparm *parm) -{ - struct v4l2_captureparm *cp = &parm->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; - struct sd *sd = (struct sd *) gspca_dev; - - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - /* Set requested framerate */ - sd->frame_rate = tpf->denominator / tpf->numerator; - ov534_set_frame_rate(gspca_dev); - - /* Return the actual framerate */ - tpf->numerator = 1; - tpf->denominator = sd->frame_rate; - - 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, - .init = sd_init, - .start = sd_start, - .stopN = sd_stopN, - .pkt_scan = sd_pkt_scan, - .get_streamparm = sd_get_streamparm, - .set_streamparm = sd_set_streamparm, -}; - -/* -- module initialisation -- */ -static const __devinitdata struct usb_device_id device_table[] = { - {USB_DEVICE(0x06f8, 0x3003), .driver_info = SENSOR_OV965X}, - {USB_DEVICE(0x1415, 0x2000), .driver_info = SENSOR_OV772X}, - {} -}; - -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, -#ifdef CONFIG_PM - .suspend = gspca_suspend, - .resume = gspca_resume, -#endif -}; - -/* -- module insert / remove -- */ -static int __init sd_mod_init(void) -{ - int ret; - ret = usb_register(&sd_driver); - if (ret < 0) - return ret; - 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); |
