diff options
Diffstat (limited to 'drivers/media/video/gspca/jeilinj.c')
| -rw-r--r-- | drivers/media/video/gspca/jeilinj.c | 548 |
1 files changed, 0 insertions, 548 deletions
diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c deleted file mode 100644 index 26b99310d628..000000000000 --- a/drivers/media/video/gspca/jeilinj.c +++ /dev/null @@ -1,548 +0,0 @@ -/* - * Jeilinj subdriver - * - * Supports some Jeilin dual-mode cameras which use bulk transport and - * download raw JPEG data. - * - * Copyright (C) 2009 Theodore Kilgore - * - * Sportscam DV15 support and control settings are - * Copyright (C) 2011 Patrice Chotard - * - * 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#define MODULE_NAME "jeilinj" - -#include <linux/slab.h> -#include "gspca.h" -#include "jpeg.h" - -MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>"); -MODULE_DESCRIPTION("GSPCA/JEILINJ USB Camera Driver"); -MODULE_LICENSE("GPL"); - -/* Default timeouts, in ms */ -#define JEILINJ_CMD_TIMEOUT 500 -#define JEILINJ_CMD_DELAY 160 -#define JEILINJ_DATA_TIMEOUT 1000 - -/* Maximum transfer size to use. */ -#define JEILINJ_MAX_TRANSFER 0x200 -#define FRAME_HEADER_LEN 0x10 -#define FRAME_START 0xFFFFFFFF - -enum { - SAKAR_57379, - SPORTSCAM_DV15, -}; - -#define CAMQUALITY_MIN 0 /* highest cam quality */ -#define CAMQUALITY_MAX 97 /* lowest cam quality */ - -/* Structure to hold all of our device specific stuff */ -struct sd { - struct gspca_dev gspca_dev; /* !! must be the first item */ - int blocks_left; - const struct v4l2_pix_format *cap_mode; - struct v4l2_ctrl *freq; - struct v4l2_ctrl *jpegqual; - /* Driver stuff */ - u8 type; - u8 quality; /* image quality */ -#define QUALITY_MIN 35 -#define QUALITY_MAX 85 -#define QUALITY_DEF 85 - u8 jpeg_hdr[JPEG_HDR_SZ]; -}; - -struct jlj_command { - unsigned char instruction[2]; - unsigned char ack_wanted; - unsigned char delay; -}; - -/* AFAICT these cameras will only do 320x240. */ -static struct v4l2_pix_format jlj_mode[] = { - { 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, - .bytesperline = 320, - .sizeimage = 320 * 240, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 0}, - { 640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, - .bytesperline = 640, - .sizeimage = 640 * 480, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 0} -}; - -/* - * cam uses endpoint 0x03 to send commands, 0x84 for read commands, - * and 0x82 for bulk transfer. - */ - -/* All commands are two bytes only */ -static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command) -{ - int retval; - - if (gspca_dev->usb_err < 0) - return; - memcpy(gspca_dev->usb_buf, command, 2); - retval = usb_bulk_msg(gspca_dev->dev, - usb_sndbulkpipe(gspca_dev->dev, 3), - gspca_dev->usb_buf, 2, NULL, 500); - if (retval < 0) { - pr_err("command write [%02x] error %d\n", - gspca_dev->usb_buf[0], retval); - gspca_dev->usb_err = retval; - } -} - -/* Responses are one byte only */ -static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char response) -{ - int retval; - - if (gspca_dev->usb_err < 0) - return; - retval = usb_bulk_msg(gspca_dev->dev, - usb_rcvbulkpipe(gspca_dev->dev, 0x84), - gspca_dev->usb_buf, 1, NULL, 500); - response = gspca_dev->usb_buf[0]; - if (retval < 0) { - pr_err("read command [%02x] error %d\n", - gspca_dev->usb_buf[0], retval); - gspca_dev->usb_err = retval; - } -} - -static void setfreq(struct gspca_dev *gspca_dev, s32 val) -{ - u8 freq_commands[][2] = { - {0x71, 0x80}, - {0x70, 0x07} - }; - - freq_commands[0][1] |= val >> 1; - - jlj_write2(gspca_dev, freq_commands[0]); - jlj_write2(gspca_dev, freq_commands[1]); -} - -static void setcamquality(struct gspca_dev *gspca_dev, s32 val) -{ - u8 quality_commands[][2] = { - {0x71, 0x1E}, - {0x70, 0x06} - }; - u8 camquality; - - /* adapt camera quality from jpeg quality */ - camquality = ((QUALITY_MAX - val) * CAMQUALITY_MAX) - / (QUALITY_MAX - QUALITY_MIN); - quality_commands[0][1] += camquality; - - jlj_write2(gspca_dev, quality_commands[0]); - jlj_write2(gspca_dev, quality_commands[1]); -} - -static void setautogain(struct gspca_dev *gspca_dev, s32 val) -{ - u8 autogain_commands[][2] = { - {0x94, 0x02}, - {0xcf, 0x00} - }; - - autogain_commands[1][1] = val << 4; - - jlj_write2(gspca_dev, autogain_commands[0]); - jlj_write2(gspca_dev, autogain_commands[1]); -} - -static void setred(struct gspca_dev *gspca_dev, s32 val) -{ - u8 setred_commands[][2] = { - {0x94, 0x02}, - {0xe6, 0x00} - }; - - setred_commands[1][1] = val; - - jlj_write2(gspca_dev, setred_commands[0]); - jlj_write2(gspca_dev, setred_commands[1]); -} - -static void setgreen(struct gspca_dev *gspca_dev, s32 val) -{ - u8 setgreen_commands[][2] = { - {0x94, 0x02}, - {0xe7, 0x00} - }; - - setgreen_commands[1][1] = val; - - jlj_write2(gspca_dev, setgreen_commands[0]); - jlj_write2(gspca_dev, setgreen_commands[1]); -} - -static void setblue(struct gspca_dev *gspca_dev, s32 val) -{ - u8 setblue_commands[][2] = { - {0x94, 0x02}, - {0xe9, 0x00} - }; - - setblue_commands[1][1] = val; - - jlj_write2(gspca_dev, setblue_commands[0]); - jlj_write2(gspca_dev, setblue_commands[1]); -} - -static int jlj_start(struct gspca_dev *gspca_dev) -{ - int i; - int start_commands_size; - u8 response = 0xff; - struct sd *sd = (struct sd *) gspca_dev; - struct jlj_command start_commands[] = { - {{0x71, 0x81}, 0, 0}, - {{0x70, 0x05}, 0, JEILINJ_CMD_DELAY}, - {{0x95, 0x70}, 1, 0}, - {{0x71, 0x81 - gspca_dev->curr_mode}, 0, 0}, - {{0x70, 0x04}, 0, JEILINJ_CMD_DELAY}, - {{0x95, 0x70}, 1, 0}, - {{0x71, 0x00}, 0, 0}, /* start streaming ??*/ - {{0x70, 0x08}, 0, JEILINJ_CMD_DELAY}, - {{0x95, 0x70}, 1, 0}, -#define SPORTSCAM_DV15_CMD_SIZE 9 - {{0x94, 0x02}, 0, 0}, - {{0xde, 0x24}, 0, 0}, - {{0x94, 0x02}, 0, 0}, - {{0xdd, 0xf0}, 0, 0}, - {{0x94, 0x02}, 0, 0}, - {{0xe3, 0x2c}, 0, 0}, - {{0x94, 0x02}, 0, 0}, - {{0xe4, 0x00}, 0, 0}, - {{0x94, 0x02}, 0, 0}, - {{0xe5, 0x00}, 0, 0}, - {{0x94, 0x02}, 0, 0}, - {{0xe6, 0x2c}, 0, 0}, - {{0x94, 0x03}, 0, 0}, - {{0xaa, 0x00}, 0, 0} - }; - - sd->blocks_left = 0; - /* Under Windows, USB spy shows that only the 9 first start - * commands are used for SPORTSCAM_DV15 webcam - */ - if (sd->type == SPORTSCAM_DV15) - start_commands_size = SPORTSCAM_DV15_CMD_SIZE; - else - start_commands_size = ARRAY_SIZE(start_commands); - - for (i = 0; i < start_commands_size; i++) { - jlj_write2(gspca_dev, start_commands[i].instruction); - if (start_commands[i].delay) - msleep(start_commands[i].delay); - if (start_commands[i].ack_wanted) - jlj_read1(gspca_dev, response); - } - setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual)); - msleep(2); - setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq)); - if (gspca_dev->usb_err < 0) - PDEBUG(D_ERR, "Start streaming command failed"); - return gspca_dev->usb_err; -} - -static void sd_pkt_scan(struct gspca_dev *gspca_dev, - u8 *data, int len) -{ - struct sd *sd = (struct sd *) gspca_dev; - int packet_type; - u32 header_marker; - - PDEBUG(D_STREAM, "Got %d bytes out of %d for Block 0", - len, JEILINJ_MAX_TRANSFER); - if (len != JEILINJ_MAX_TRANSFER) { - PDEBUG(D_PACK, "bad length"); - goto discard; - } - /* check if it's start of frame */ - header_marker = ((u32 *)data)[0]; - if (header_marker == FRAME_START) { - sd->blocks_left = data[0x0a] - 1; - PDEBUG(D_STREAM, "blocks_left = 0x%x", sd->blocks_left); - /* Start a new frame, and add the JPEG header, first thing */ - gspca_frame_add(gspca_dev, FIRST_PACKET, - sd->jpeg_hdr, JPEG_HDR_SZ); - /* Toss line 0 of data block 0, keep the rest. */ - gspca_frame_add(gspca_dev, INTER_PACKET, - data + FRAME_HEADER_LEN, - JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN); - } else if (sd->blocks_left > 0) { - PDEBUG(D_STREAM, "%d blocks remaining for frame", - sd->blocks_left); - sd->blocks_left -= 1; - if (sd->blocks_left == 0) - packet_type = LAST_PACKET; - else - packet_type = INTER_PACKET; - gspca_frame_add(gspca_dev, packet_type, - data, JEILINJ_MAX_TRANSFER); - } else - goto discard; - return; -discard: - /* Discard data until a new frame starts. */ - gspca_dev->last_packet_type = DISCARD_PACKET; -} - -/* This function is called at probe time just before sd_init */ -static int sd_config(struct gspca_dev *gspca_dev, - const struct usb_device_id *id) -{ - struct cam *cam = &gspca_dev->cam; - struct sd *dev = (struct sd *) gspca_dev; - - dev->type = id->driver_info; - dev->quality = QUALITY_DEF; - - cam->cam_mode = jlj_mode; - cam->nmodes = ARRAY_SIZE(jlj_mode); - cam->bulk = 1; - cam->bulk_nurbs = 1; - cam->bulk_size = JEILINJ_MAX_TRANSFER; - return 0; -} - -static void sd_stopN(struct gspca_dev *gspca_dev) -{ - int i; - u8 *buf; - static u8 stop_commands[][2] = { - {0x71, 0x00}, - {0x70, 0x09}, - {0x71, 0x80}, - {0x70, 0x05} - }; - - for (;;) { - /* get the image remaining blocks */ - usb_bulk_msg(gspca_dev->dev, - gspca_dev->urb[0]->pipe, - gspca_dev->urb[0]->transfer_buffer, - JEILINJ_MAX_TRANSFER, NULL, - JEILINJ_DATA_TIMEOUT); - - /* search for 0xff 0xd9 (EOF for JPEG) */ - i = 0; - buf = gspca_dev->urb[0]->transfer_buffer; - while ((i < (JEILINJ_MAX_TRANSFER - 1)) && - ((buf[i] != 0xff) || (buf[i+1] != 0xd9))) - i++; - - if (i != (JEILINJ_MAX_TRANSFER - 1)) - /* last remaining block found */ - break; - } - - for (i = 0; i < ARRAY_SIZE(stop_commands); i++) - jlj_write2(gspca_dev, stop_commands[i]); -} - -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - return gspca_dev->usb_err; -} - -/* Set up for getting frames. */ -static int sd_start(struct gspca_dev *gspca_dev) -{ - struct sd *dev = (struct sd *) gspca_dev; - - /* create the JPEG header */ - jpeg_define(dev->jpeg_hdr, gspca_dev->height, gspca_dev->width, - 0x21); /* JPEG 422 */ - jpeg_set_qual(dev->jpeg_hdr, dev->quality); - PDEBUG(D_STREAM, "Start streaming at %dx%d", - gspca_dev->height, gspca_dev->width); - jlj_start(gspca_dev); - return gspca_dev->usb_err; -} - -/* Table of supported USB devices */ -static const struct usb_device_id device_table[] = { - {USB_DEVICE(0x0979, 0x0280), .driver_info = SAKAR_57379}, - {USB_DEVICE(0x0979, 0x0270), .driver_info = SPORTSCAM_DV15}, - {} -}; - -MODULE_DEVICE_TABLE(usb, device_table); - -static int sd_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct gspca_dev *gspca_dev = - container_of(ctrl->handler, struct gspca_dev, ctrl_handler); - struct sd *sd = (struct sd *)gspca_dev; - - gspca_dev->usb_err = 0; - - if (!gspca_dev->streaming) - return 0; - - switch (ctrl->id) { - case V4L2_CID_POWER_LINE_FREQUENCY: - setfreq(gspca_dev, ctrl->val); - break; - case V4L2_CID_RED_BALANCE: - setred(gspca_dev, ctrl->val); - break; - case V4L2_CID_GAIN: - setgreen(gspca_dev, ctrl->val); - break; - case V4L2_CID_BLUE_BALANCE: - setblue(gspca_dev, ctrl->val); - break; - case V4L2_CID_AUTOGAIN: - setautogain(gspca_dev, ctrl->val); - break; - case V4L2_CID_JPEG_COMPRESSION_QUALITY: - jpeg_set_qual(sd->jpeg_hdr, ctrl->val); - setcamquality(gspca_dev, ctrl->val); - break; - } - return gspca_dev->usb_err; -} - -static const struct v4l2_ctrl_ops sd_ctrl_ops = { - .s_ctrl = sd_s_ctrl, -}; - -static int sd_init_controls(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *)gspca_dev; - struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; - static const struct v4l2_ctrl_config custom_autogain = { - .ops = &sd_ctrl_ops, - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Automatic Gain (and Exposure)", - .max = 3, - .step = 1, - .def = 0, - }; - - gspca_dev->vdev.ctrl_handler = hdl; - v4l2_ctrl_handler_init(hdl, 6); - sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, - V4L2_CID_POWER_LINE_FREQUENCY, - V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1, - V4L2_CID_POWER_LINE_FREQUENCY_60HZ); - v4l2_ctrl_new_custom(hdl, &custom_autogain, NULL); - v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, - V4L2_CID_RED_BALANCE, 0, 3, 1, 2); - v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, - V4L2_CID_GAIN, 0, 3, 1, 2); - v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, - V4L2_CID_BLUE_BALANCE, 0, 3, 1, 2); - sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, - V4L2_CID_JPEG_COMPRESSION_QUALITY, - QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF); - - if (hdl->error) { - pr_err("Could not initialize controls\n"); - return hdl->error; - } - return 0; -} - -static int sd_set_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) -{ - struct sd *sd = (struct sd *) gspca_dev; - - v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality); - return 0; -} - -static int sd_get_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) -{ - struct sd *sd = (struct sd *) gspca_dev; - - memset(jcomp, 0, sizeof *jcomp); - jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual); - jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT - | V4L2_JPEG_MARKER_DQT; - return 0; -} - - -/* sub-driver description */ -static const struct sd_desc sd_desc_sakar_57379 = { - .name = MODULE_NAME, - .config = sd_config, - .init = sd_init, - .start = sd_start, - .stopN = sd_stopN, - .pkt_scan = sd_pkt_scan, -}; - -/* sub-driver description */ -static const struct sd_desc sd_desc_sportscam_dv15 = { - .name = MODULE_NAME, - .config = sd_config, - .init = sd_init, - .init_controls = sd_init_controls, - .start = sd_start, - .stopN = sd_stopN, - .pkt_scan = sd_pkt_scan, - .get_jcomp = sd_get_jcomp, - .set_jcomp = sd_set_jcomp, -}; - -static const struct sd_desc *sd_desc[2] = { - &sd_desc_sakar_57379, - &sd_desc_sportscam_dv15 -}; - -/* -- device connect -- */ -static int sd_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - return gspca_dev_probe(intf, id, - sd_desc[id->driver_info], - 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, - .reset_resume = gspca_resume, -#endif -}; - -module_usb_driver(sd_driver); |