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path: root/drivers/media/video/gspca/ov534.c
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Diffstat (limited to 'drivers/media/video/gspca/ov534.c')
-rw-r--r--drivers/media/video/gspca/ov534.c601
1 files changed, 0 insertions, 601 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
deleted file mode 100644
index 3bf15e40169..00000000000
--- a/drivers/media/video/gspca/ov534.c
+++ /dev/null
@@ -1,601 +0,0 @@
-/*
- * ov534/ov772x gspca driver
- * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
- * Copyright (C) 2008 Jim Paris <jim@jtan.com>
- *
- * 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");
-
-/* specific webcam descriptor */
-struct sd {
- struct gspca_dev gspca_dev; /* !! must be the first item */
- __u32 last_fid;
- __u32 last_pts;
- int frame_rate;
-};
-
-/* 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 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),
- 0x1,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0x0, 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),
- 0x1,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0x0, 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);
-}
-
-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, u16 reg, u8 val)
-{
- PDEBUG(D_USBO, "reg: 0x%04x, 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");
-}
-
-#ifdef GSPCA_DEBUG
-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);
-}
-#endif
-
-static const __u8 ov534_reg_initdata[][2] = {
- { 0xe7, 0x3a },
-
- { OV534_REG_ADDRESS, 0x42 }, /* select OV772x sensor */
-
- { 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 ov772x_reg_initdata[][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 }
-};
-
-/* 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);
-}
-
-/* setup method */
-static void ov534_setup(struct gspca_dev *gspca_dev)
-{
- int i;
-
- /* Initialize bridge chip */
- for (i = 0; i < ARRAY_SIZE(ov534_reg_initdata); i++)
- ov534_reg_write(gspca_dev, ov534_reg_initdata[i][0],
- ov534_reg_initdata[i][1]);
-
- PDEBUG(D_PROBE, "sensor is ov%02x%02x",
- sccb_reg_read(gspca_dev, 0x0a),
- sccb_reg_read(gspca_dev, 0x0b));
-
- ov534_set_led(gspca_dev, 1);
-
- /* Initialize sensor */
- for (i = 0; i < ARRAY_SIZE(ov772x_reg_initdata); i++)
- sccb_reg_write(gspca_dev, ov772x_reg_initdata[i][0],
- ov772x_reg_initdata[i][1]);
-
- ov534_reg_write(gspca_dev, 0xe0, 0x09);
- ov534_set_led(gspca_dev, 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 = 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)
-{
- ov534_setup(gspca_dev);
- ov534_set_frame_rate(gspca_dev);
-
- return 0;
-}
-
-static int sd_start(struct gspca_dev *gspca_dev)
-{
- /* start streaming data */
- ov534_set_led(gspca_dev, 1);
- ov534_reg_write(gspca_dev, 0xe0, 0x00);
-
- return 0;
-}
-
-static void sd_stopN(struct gspca_dev *gspca_dev)
-{
- /* stop streaming data */
- ov534_reg_write(gspca_dev, 0xe0, 0x09);
- ov534_set_led(gspca_dev, 0);
-}
-
-/* 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;
- int this_fid;
- int remaining_len = len;
- __u8 *next_data = data;
-
-scan_next:
- if (remaining_len <= 0)
- return;
-
- data = next_data;
- len = min(remaining_len, 2048);
- remaining_len -= len;
- next_data += len;
-
- /* 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;
- }
-
- 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);
- goto scan_next;
-}
-
-/* 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, 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);
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