diff options
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/gspca/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/media/video/gspca/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/video/gspca/ov534.c | 505 |
3 files changed, 517 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index fdd4f653753..770fb699d04 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -64,6 +64,16 @@ config USB_GSPCA_OV519 To compile this driver as a module, choose M here: the module will be called gspca_ov519. +config USB_GSPCA_OV534 + tristate "OV534 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the OV534 chip. + (e.g. Sony Playstation EYE) + + To compile this driver as a module, choose M here: the + module will be called gspca_ov534. + config USB_GSPCA_PAC207 tristate "Pixart PAC207 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index 22734f5a6c3..6c8046e232c 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o obj-$(CONFIG_USB_GSPCA_FINEPIX) += gspca_finepix.o obj-$(CONFIG_USB_GSPCA_MARS) += gspca_mars.o obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o +obj-$(CONFIG_USB_GSPCA_OV534) += gspca_ov534.o obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o obj-$(CONFIG_USB_GSPCA_PAC7311) += gspca_pac7311.o obj-$(CONFIG_USB_GSPCA_SONIXB) += gspca_sonixb.o @@ -27,6 +28,7 @@ gspca_etoms-objs := etoms.o gspca_finepix-objs := finepix.o gspca_mars-objs := mars.o gspca_ov519-objs := ov519.o +gspca_ov534-objs := ov534.o gspca_pac207-objs := pac207.o gspca_pac7311-objs := pac7311.o gspca_sonixb-objs := sonixb.o diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c new file mode 100644 index 00000000000..a574be09bd4 --- /dev/null +++ b/drivers/media/video/gspca/ov534.c @@ -0,0 +1,505 @@ +/* + * ov534/ov772x gspca driver + * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> + * + * 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 /* ? */ +#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"); + +/* global parameters */ +static int frame_rate; + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + __u8 frame_rate; +}; + +/* V4L2 controls supported by the driver */ +static struct ctrl sd_ctrls[] = { +}; + +static 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 void ov534_reg_write(struct usb_device *udev, u16 reg, u16 val) +{ + u16 data = val; + int ret; + + PDEBUG(D_USBO, "reg=0x%04x, val=0%04x", reg, val); + ret = usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + 0x1, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0x0, reg, &data, 1, CTRL_TIMEOUT); + if (ret < 0) + PDEBUG(D_ERR, "write failed"); +} + +static u16 ov534_reg_read(struct usb_device *udev, u16 reg) +{ + u16 data; + int ret; + + ret = usb_control_msg(udev, + usb_rcvctrlpipe(udev, 0), + 0x1, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0x0, reg, &data, 1, CTRL_TIMEOUT); + PDEBUG(D_USBI, "reg=0x%04x, data=0x%04x", reg, data); + if (ret < 0) + PDEBUG(D_ERR, "read failed"); + return data; +} + +static void ov534_reg_verify_write(struct usb_device *udev, u16 reg, u16 val) +{ + u16 data; + + ov534_reg_write(udev, reg, val); + data = ov534_reg_read(udev, reg); + if (data != val) { + PDEBUG(D_ERR | D_USBO, + "unexpected result from read: 0x%04x != 0x%04x", val, + data); + } +} + +/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. + * (direction and output)? */ +static void ov534_set_led(struct usb_device *udev, int status) +{ + u16 data; + + PDEBUG(D_CONF, "led status: %d", status); + + data = ov534_reg_read(udev, 0x21); + data |= 0x80; + ov534_reg_write(udev, 0x21, data); + + data = ov534_reg_read(udev, 0x23); + if (status) + data |= 0x80; + else + data &= ~(0x80); + + ov534_reg_write(udev, 0x23, data); +} + +static int sccb_check_status(struct usb_device *udev) +{ + u16 data; + int i; + + for (i = 0; i < 5; i++) { + data = ov534_reg_read(udev, OV534_REG_STATUS); + + switch (data & 0xFF) { + case 0x00: + return 1; + case 0x04: + return 0; + case 0x03: + break; + default: + PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5\n", + data, i + 1); + } + } + return 0; +} + +static void sccb_reg_write(struct usb_device *udev, u16 reg, u16 val) +{ + PDEBUG(D_USBO, "reg: 0x%04x, val: 0x%04x", reg, val); + ov534_reg_write(udev, OV534_REG_SUBADDR, reg); + ov534_reg_write(udev, OV534_REG_WRITE, val); + ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_3); + + if (!sccb_check_status(udev)) + PDEBUG(D_ERR, "sccb_reg_write failed"); +} + +/* setup method */ +static void ov534_setup(struct usb_device *udev) +{ + ov534_reg_verify_write(udev, 0xe7, 0x3a); + + ov534_reg_write(udev, OV534_REG_ADDRESS, 0x60); + ov534_reg_write(udev, OV534_REG_ADDRESS, 0x60); + ov534_reg_write(udev, OV534_REG_ADDRESS, 0x60); + ov534_reg_write(udev, OV534_REG_ADDRESS, 0x42); + + ov534_reg_verify_write(udev, 0xc2, 0x0c); + ov534_reg_verify_write(udev, 0x88, 0xf8); + ov534_reg_verify_write(udev, 0xc3, 0x69); + ov534_reg_verify_write(udev, 0x89, 0xff); + ov534_reg_verify_write(udev, 0x76, 0x03); + ov534_reg_verify_write(udev, 0x92, 0x01); + ov534_reg_verify_write(udev, 0x93, 0x18); + ov534_reg_verify_write(udev, 0x94, 0x10); + ov534_reg_verify_write(udev, 0x95, 0x10); + ov534_reg_verify_write(udev, 0xe2, 0x00); + ov534_reg_verify_write(udev, 0xe7, 0x3e); + + ov534_reg_write(udev, 0x1c, 0x0a); + ov534_reg_write(udev, 0x1d, 0x22); + ov534_reg_write(udev, 0x1d, 0x06); + + ov534_reg_verify_write(udev, 0x96, 0x00); + + ov534_reg_write(udev, 0x97, 0x20); + ov534_reg_write(udev, 0x97, 0x20); + ov534_reg_write(udev, 0x97, 0x20); + ov534_reg_write(udev, 0x97, 0x0a); + ov534_reg_write(udev, 0x97, 0x3f); + ov534_reg_write(udev, 0x97, 0x4a); + ov534_reg_write(udev, 0x97, 0x20); + ov534_reg_write(udev, 0x97, 0x15); + ov534_reg_write(udev, 0x97, 0x0b); + + ov534_reg_verify_write(udev, 0x8e, 0x40); + ov534_reg_verify_write(udev, 0x1f, 0x81); + ov534_reg_verify_write(udev, 0x34, 0x05); + ov534_reg_verify_write(udev, 0xe3, 0x04); + ov534_reg_verify_write(udev, 0x88, 0x00); + ov534_reg_verify_write(udev, 0x89, 0x00); + ov534_reg_verify_write(udev, 0x76, 0x00); + ov534_reg_verify_write(udev, 0xe7, 0x2e); + ov534_reg_verify_write(udev, 0x31, 0xf9); + ov534_reg_verify_write(udev, 0x25, 0x42); + ov534_reg_verify_write(udev, 0x21, 0xf0); + + ov534_reg_write(udev, 0x1c, 0x00); + ov534_reg_write(udev, 0x1d, 0x40); + ov534_reg_write(udev, 0x1d, 0x02); + ov534_reg_write(udev, 0x1d, 0x00); + ov534_reg_write(udev, 0x1d, 0x02); + ov534_reg_write(udev, 0x1d, 0x57); + ov534_reg_write(udev, 0x1d, 0xff); + + ov534_reg_verify_write(udev, 0x8d, 0x1c); + ov534_reg_verify_write(udev, 0x8e, 0x80); + ov534_reg_verify_write(udev, 0xe5, 0x04); + + ov534_set_led(udev, 1); + + sccb_reg_write(udev, 0x12, 0x80); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x11, 0x01); + + ov534_set_led(udev, 0); + + sccb_reg_write(udev, 0x3d, 0x03); + sccb_reg_write(udev, 0x17, 0x26); + sccb_reg_write(udev, 0x18, 0xa0); + sccb_reg_write(udev, 0x19, 0x07); + sccb_reg_write(udev, 0x1a, 0xf0); + sccb_reg_write(udev, 0x32, 0x00); + sccb_reg_write(udev, 0x29, 0xa0); + sccb_reg_write(udev, 0x2c, 0xf0); + sccb_reg_write(udev, 0x65, 0x20); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x42, 0x7f); + sccb_reg_write(udev, 0x63, 0xe0); + sccb_reg_write(udev, 0x64, 0xff); + sccb_reg_write(udev, 0x66, 0x00); + sccb_reg_write(udev, 0x13, 0xf0); + sccb_reg_write(udev, 0x0d, 0x41); + sccb_reg_write(udev, 0x0f, 0xc5); + sccb_reg_write(udev, 0x14, 0x11); + + ov534_set_led(udev, 1); + + sccb_reg_write(udev, 0x22, 0x7f); + sccb_reg_write(udev, 0x23, 0x03); + sccb_reg_write(udev, 0x24, 0x40); + sccb_reg_write(udev, 0x25, 0x30); + sccb_reg_write(udev, 0x26, 0xa1); + sccb_reg_write(udev, 0x2a, 0x00); + sccb_reg_write(udev, 0x2b, 0x00); + sccb_reg_write(udev, 0x6b, 0xaa); + sccb_reg_write(udev, 0x13, 0xff); + + ov534_set_led(udev, 0); + + sccb_reg_write(udev, 0x90, 0x05); + sccb_reg_write(udev, 0x91, 0x01); + sccb_reg_write(udev, 0x92, 0x03); + sccb_reg_write(udev, 0x93, 0x00); + sccb_reg_write(udev, 0x94, 0x60); + sccb_reg_write(udev, 0x95, 0x3c); + sccb_reg_write(udev, 0x96, 0x24); + sccb_reg_write(udev, 0x97, 0x1e); + sccb_reg_write(udev, 0x98, 0x62); + sccb_reg_write(udev, 0x99, 0x80); + sccb_reg_write(udev, 0x9a, 0x1e); + sccb_reg_write(udev, 0x9b, 0x08); + sccb_reg_write(udev, 0x9c, 0x20); + sccb_reg_write(udev, 0x9e, 0x81); + + ov534_set_led(udev, 1); + + sccb_reg_write(udev, 0xa6, 0x04); + sccb_reg_write(udev, 0x7e, 0x0c); + sccb_reg_write(udev, 0x7f, 0x16); + sccb_reg_write(udev, 0x80, 0x2a); + sccb_reg_write(udev, 0x81, 0x4e); + sccb_reg_write(udev, 0x82, 0x61); + sccb_reg_write(udev, 0x83, 0x6f); + sccb_reg_write(udev, 0x84, 0x7b); + sccb_reg_write(udev, 0x85, 0x86); + sccb_reg_write(udev, 0x86, 0x8e); + sccb_reg_write(udev, 0x87, 0x97); + sccb_reg_write(udev, 0x88, 0xa4); + sccb_reg_write(udev, 0x89, 0xaf); + sccb_reg_write(udev, 0x8a, 0xc5); + sccb_reg_write(udev, 0x8b, 0xd7); + sccb_reg_write(udev, 0x8c, 0xe8); + sccb_reg_write(udev, 0x8d, 0x20); + + sccb_reg_write(udev, 0x0c, 0x90); + + ov534_reg_verify_write(udev, 0xc0, 0x50); + ov534_reg_verify_write(udev, 0xc1, 0x3c); + ov534_reg_verify_write(udev, 0xc2, 0x0c); + + ov534_set_led(udev, 1); + + sccb_reg_write(udev, 0x2b, 0x00); + sccb_reg_write(udev, 0x22, 0x7f); + sccb_reg_write(udev, 0x23, 0x03); + sccb_reg_write(udev, 0x11, 0x01); + sccb_reg_write(udev, 0x0c, 0xd0); + sccb_reg_write(udev, 0x64, 0xff); + sccb_reg_write(udev, 0x0d, 0x41); + + sccb_reg_write(udev, 0x14, 0x41); + sccb_reg_write(udev, 0x0e, 0xcd); + sccb_reg_write(udev, 0xac, 0xbf); + sccb_reg_write(udev, 0x8e, 0x00); + sccb_reg_write(udev, 0x0c, 0xd0); + + ov534_reg_write(udev, 0xe0, 0x09); + ov534_set_led(udev, 0); +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct cam *cam; + + cam = &gspca_dev->cam; + + cam->epaddr = 0x01; + cam->cam_mode = vga_mode; + cam->nmodes = ARRAY_SIZE(vga_mode); + + cam->bulk_size = vga_mode[0].sizeimage; + cam->bulk_nurbs = 2; + + PDEBUG(D_PROBE, "bulk_size = %d", cam->bulk_size); + + 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; + ov534_setup(gspca_dev->dev); + + if (frame_rate > 0) + sd->frame_rate = frame_rate; + + PDEBUG(D_PROBE, "frame_rate = %d", sd->frame_rate); + + switch (sd->frame_rate) { + case 50: + sccb_reg_write(gspca_dev->dev, 0x11, 0x01); + sccb_check_status(gspca_dev->dev); + sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); + sccb_check_status(gspca_dev->dev); + ov534_reg_verify_write(gspca_dev->dev, 0xe5, 0x02); + break; + case 40: + sccb_reg_write(gspca_dev->dev, 0x11, 0x02); + sccb_check_status(gspca_dev->dev); + sccb_reg_write(gspca_dev->dev, 0x0d, 0xc1); + sccb_check_status(gspca_dev->dev); + ov534_reg_verify_write(gspca_dev->dev, 0xe5, 0x04); + break; + case 30: + default: + sccb_reg_write(gspca_dev->dev, 0x11, 0x04); + sccb_check_status(gspca_dev->dev); + sccb_reg_write(gspca_dev->dev, 0x0d, 0x81); + sccb_check_status(gspca_dev->dev); + ov534_reg_verify_write(gspca_dev->dev, 0xe5, 0x02); + break; + case 15: + sccb_reg_write(gspca_dev->dev, 0x11, 0x03); + sccb_check_status(gspca_dev->dev); + sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); + sccb_check_status(gspca_dev->dev); + ov534_reg_verify_write(gspca_dev->dev, 0xe5, 0x04); + break; + }; + + return 0; +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ + PDEBUG(D_PROBE, "width = %d, height = %d", + gspca_dev->width, gspca_dev->height); + + gspca_dev->cam.bulk_size = gspca_dev->width * gspca_dev->height * 2; + + /* start streaming data */ + ov534_set_led(gspca_dev->dev, 1); + ov534_reg_write(gspca_dev->dev, 0xe0, 0x00); + + return 0; +} + +static void sd_stopN(struct gspca_dev *gspca_dev) +{ + /* stop streaming data */ + ov534_reg_write(gspca_dev->dev, 0xe0, 0x09); + ov534_set_led(gspca_dev->dev, 0); +} + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, + __u8 *data, int len) +{ + /* + * The current camera setup doesn't stream the last pixel, so we set it + * to a dummy value + */ + __u8 last_pixel[4] = { 0, 0, 0, 0 }; + int framesize = gspca_dev->cam.bulk_size; + + if (len == framesize - 4) { + frame = + gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); + frame = + gspca_frame_add(gspca_dev, LAST_PACKET, frame, last_pixel, + 4); + } else + PDEBUG(D_PACK, "packet len = %d, framesize = %d", len, + framesize); +} + +/* 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, +}; + +/* -- module initialisation -- */ +static const __devinitdata struct usb_device_id device_table[] = { + {USB_DEVICE(0x06f8, 0x3002)}, /* Hercules Blog Webcam */ + {USB_DEVICE(0x06f8, 0x3003)}, /* Hercules Dualpix HD Weblog */ + {USB_DEVICE(0x1415, 0x2000)}, /* Sony HD Eye for PS3 (SLEH 00201) */ + {} +}; + +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) +{ + 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); + +module_param(frame_rate, int, 0644); +MODULE_PARM_DESC(frame_rate, "Frame rate (15, 30, 40, 50)"); |