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path: root/drivers/media/video/gspca/jeilinj.c
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Diffstat (limited to 'drivers/media/video/gspca/jeilinj.c')
-rw-r--r--drivers/media/video/gspca/jeilinj.c581
1 files changed, 409 insertions, 172 deletions
diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c
index 36dae38b1e38..1bd9c4b542dd 100644
--- a/drivers/media/video/gspca/jeilinj.c
+++ b/drivers/media/video/gspca/jeilinj.c
@@ -6,6 +6,9 @@
*
* 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
@@ -23,7 +26,6 @@
#define MODULE_NAME "jeilinj"
-#include <linux/workqueue.h>
#include <linux/slab.h>
#include "gspca.h"
#include "jpeg.h"
@@ -34,29 +36,51 @@ 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 */
+
+enum e_ctrl {
+ LIGHTFREQ,
+ AUTOGAIN,
+ RED,
+ GREEN,
+ BLUE,
+ NCTRLS /* number of controls */
+};
/* Structure to hold all of our device specific stuff */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
+ struct gspca_ctrl ctrls[NCTRLS];
+ int blocks_left;
const struct v4l2_pix_format *cap_mode;
/* Driver stuff */
- struct work_struct work_struct;
- struct workqueue_struct *work_thread;
+ u8 type;
u8 quality; /* image quality */
- u8 jpegqual; /* webcam 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;
- };
+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[] = {
@@ -64,6 +88,11 @@ static struct v4l2_pix_format jlj_mode[] = {
.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}
};
@@ -73,178 +102,295 @@ static struct v4l2_pix_format jlj_mode[] = {
*/
/* All commands are two bytes only */
-static int jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command)
+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)
+ if (retval < 0) {
err("command write [%02x] error %d",
gspca_dev->usb_buf[0], retval);
- return retval;
+ gspca_dev->usb_err = retval;
+ }
}
/* Responses are one byte only */
-static int jlj_read1(struct gspca_dev *gspca_dev, unsigned char response)
+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)
+ if (retval < 0) {
err("read command [%02x] error %d",
gspca_dev->usb_buf[0], retval);
- return retval;
+ gspca_dev->usb_err = retval;
+ }
}
-static int jlj_start(struct gspca_dev *gspca_dev)
+static void setfreq(struct gspca_dev *gspca_dev)
{
- int i;
- int retval = -1;
- u8 response = 0xff;
- struct jlj_command start_commands[] = {
- {{0x71, 0x81}, 0},
- {{0x70, 0x05}, 0},
- {{0x95, 0x70}, 1},
- {{0x71, 0x81}, 0},
- {{0x70, 0x04}, 0},
- {{0x95, 0x70}, 1},
- {{0x71, 0x00}, 0},
- {{0x70, 0x08}, 0},
- {{0x95, 0x70}, 1},
- {{0x94, 0x02}, 0},
- {{0xde, 0x24}, 0},
- {{0x94, 0x02}, 0},
- {{0xdd, 0xf0}, 0},
- {{0x94, 0x02}, 0},
- {{0xe3, 0x2c}, 0},
- {{0x94, 0x02}, 0},
- {{0xe4, 0x00}, 0},
- {{0x94, 0x02}, 0},
- {{0xe5, 0x00}, 0},
- {{0x94, 0x02}, 0},
- {{0xe6, 0x2c}, 0},
- {{0x94, 0x03}, 0},
- {{0xaa, 0x00}, 0},
- {{0x71, 0x1e}, 0},
- {{0x70, 0x06}, 0},
- {{0x71, 0x80}, 0},
- {{0x70, 0x07}, 0}
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 freq_commands[][2] = {
+ {0x71, 0x80},
+ {0x70, 0x07}
};
- for (i = 0; i < ARRAY_SIZE(start_commands); i++) {
- retval = jlj_write2(gspca_dev, start_commands[i].instruction);
- if (retval < 0)
- return retval;
- if (start_commands[i].ack_wanted)
- retval = jlj_read1(gspca_dev, response);
- if (retval < 0)
- return retval;
- }
- PDEBUG(D_ERR, "jlj_start retval is %d", retval);
- return retval;
+
+ freq_commands[0][1] |= (sd->ctrls[LIGHTFREQ].val >> 1);
+
+ jlj_write2(gspca_dev, freq_commands[0]);
+ jlj_write2(gspca_dev, freq_commands[1]);
}
-static int jlj_stop(struct gspca_dev *gspca_dev)
+static void setcamquality(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 quality_commands[][2] = {
+ {0x71, 0x1E},
+ {0x70, 0x06}
+ };
+ u8 camquality;
+
+ /* adapt camera quality from jpeg quality */
+ camquality = ((QUALITY_MAX - sd->quality) * 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)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 autogain_commands[][2] = {
+ {0x94, 0x02},
+ {0xcf, 0x00}
+ };
+
+ autogain_commands[1][1] = (sd->ctrls[AUTOGAIN].val << 4);
+
+ jlj_write2(gspca_dev, autogain_commands[0]);
+ jlj_write2(gspca_dev, autogain_commands[1]);
+}
+
+static void setred(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 setred_commands[][2] = {
+ {0x94, 0x02},
+ {0xe6, 0x00}
+ };
+
+ setred_commands[1][1] = sd->ctrls[RED].val;
+
+ jlj_write2(gspca_dev, setred_commands[0]);
+ jlj_write2(gspca_dev, setred_commands[1]);
+}
+
+static void setgreen(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 setgreen_commands[][2] = {
+ {0x94, 0x02},
+ {0xe7, 0x00}
+ };
+
+ setgreen_commands[1][1] = sd->ctrls[GREEN].val;
+
+ jlj_write2(gspca_dev, setgreen_commands[0]);
+ jlj_write2(gspca_dev, setgreen_commands[1]);
+}
+
+static void setblue(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 setblue_commands[][2] = {
+ {0x94, 0x02},
+ {0xe9, 0x00}
+ };
+
+ setblue_commands[1][1] = sd->ctrls[BLUE].val;
+
+ jlj_write2(gspca_dev, setblue_commands[0]);
+ jlj_write2(gspca_dev, setblue_commands[1]);
+}
+
+static const struct ctrl sd_ctrls[NCTRLS] = {
+[LIGHTFREQ] = {
+ {
+ .id = V4L2_CID_POWER_LINE_FREQUENCY,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .name = "Light frequency filter",
+ .minimum = V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, /* 1 */
+ .maximum = V4L2_CID_POWER_LINE_FREQUENCY_60HZ, /* 2 */
+ .step = 1,
+ .default_value = V4L2_CID_POWER_LINE_FREQUENCY_60HZ,
+ },
+ .set_control = setfreq
+ },
+[AUTOGAIN] = {
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Automatic Gain (and Exposure)",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define AUTOGAIN_DEF 0
+ .default_value = AUTOGAIN_DEF,
+ },
+ .set_control = setautogain
+ },
+[RED] = {
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "red balance",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define RED_BALANCE_DEF 2
+ .default_value = RED_BALANCE_DEF,
+ },
+ .set_control = setred
+ },
+
+[GREEN] = {
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "green balance",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define GREEN_BALANCE_DEF 2
+ .default_value = GREEN_BALANCE_DEF,
+ },
+ .set_control = setgreen
+ },
+[BLUE] = {
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define BLUE_BALANCE_DEF 2
+ .default_value = BLUE_BALANCE_DEF,
+ },
+ .set_control = setblue
+ },
+};
+
+static int jlj_start(struct gspca_dev *gspca_dev)
{
int i;
- int retval;
- struct jlj_command stop_commands[] = {
- {{0x71, 0x00}, 0},
- {{0x70, 0x09}, 0},
- {{0x71, 0x80}, 0},
- {{0x70, 0x05}, 0}
+ 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}
};
- for (i = 0; i < ARRAY_SIZE(stop_commands); i++) {
- retval = jlj_write2(gspca_dev, stop_commands[i].instruction);
- if (retval < 0)
- return retval;
+
+ 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);
}
- return retval;
+ setcamquality(gspca_dev);
+ msleep(2);
+ setfreq(gspca_dev);
+ if (gspca_dev->usb_err < 0)
+ PDEBUG(D_ERR, "Start streaming command failed");
+ return gspca_dev->usb_err;
}
-/* This function is called as a workqueue function and runs whenever the camera
- * is streaming data. Because it is a workqueue function it is allowed to sleep
- * so we can use synchronous USB calls. To avoid possible collisions with other
- * threads attempting to use the camera's USB interface the gspca usb_lock is
- * used when performing the one USB control operation inside the workqueue,
- * which tells the camera to close the stream. In practice the only thing
- * which needs to be protected against is the usb_set_interface call that
- * gspca makes during stream_off. Otherwise the camera doesn't provide any
- * controls that the user could try to change.
- */
-
-static void jlj_dostream(struct work_struct *work)
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, int len)
{
- struct sd *dev = container_of(work, struct sd, work_struct);
- struct gspca_dev *gspca_dev = &dev->gspca_dev;
- int blocks_left; /* 0x200-sized blocks remaining in current frame. */
- int act_len;
+ struct sd *sd = (struct sd *) gspca_dev;
int packet_type;
- int ret;
- u8 *buffer;
+ u32 header_marker;
- buffer = kmalloc(JEILINJ_MAX_TRANSFER, GFP_KERNEL | GFP_DMA);
- if (!buffer) {
- err("Couldn't allocate USB buffer");
- goto quit_stream;
+ 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;
}
- while (gspca_dev->present && gspca_dev->streaming) {
- /*
- * Now request data block 0. Line 0 reports the size
- * to download, in blocks of size 0x200, and also tells the
- * "actual" data size, in bytes, which seems best to ignore.
- */
- ret = usb_bulk_msg(gspca_dev->dev,
- usb_rcvbulkpipe(gspca_dev->dev, 0x82),
- buffer, JEILINJ_MAX_TRANSFER, &act_len,
- JEILINJ_DATA_TIMEOUT);
- PDEBUG(D_STREAM,
- "Got %d bytes out of %d for Block 0",
- act_len, JEILINJ_MAX_TRANSFER);
- if (ret < 0 || act_len < FRAME_HEADER_LEN)
- goto quit_stream;
- blocks_left = buffer[0x0a] - 1;
- PDEBUG(D_STREAM, "blocks_left = 0x%x", blocks_left);
-
+ /* 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,
- dev->jpeg_hdr, JPEG_HDR_SZ);
+ sd->jpeg_hdr, JPEG_HDR_SZ);
/* Toss line 0 of data block 0, keep the rest. */
gspca_frame_add(gspca_dev, INTER_PACKET,
- buffer + FRAME_HEADER_LEN,
+ data + FRAME_HEADER_LEN,
JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN);
-
- while (blocks_left > 0) {
- if (!gspca_dev->present)
- goto quit_stream;
- ret = usb_bulk_msg(gspca_dev->dev,
- usb_rcvbulkpipe(gspca_dev->dev, 0x82),
- buffer, JEILINJ_MAX_TRANSFER, &act_len,
- JEILINJ_DATA_TIMEOUT);
- if (ret < 0 || act_len < JEILINJ_MAX_TRANSFER)
- goto quit_stream;
- PDEBUG(D_STREAM,
- "%d blocks remaining for frame", blocks_left);
- blocks_left -= 1;
- if (blocks_left == 0)
- packet_type = LAST_PACKET;
- else
- packet_type = INTER_PACKET;
- gspca_frame_add(gspca_dev, packet_type,
- buffer, JEILINJ_MAX_TRANSFER);
- }
- }
-quit_stream:
- mutex_lock(&gspca_dev->usb_lock);
- if (gspca_dev->present)
- jlj_stop(gspca_dev);
- mutex_unlock(&gspca_dev->usb_lock);
- kfree(buffer);
+ } 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 */
@@ -254,78 +400,169 @@ static int sd_config(struct gspca_dev *gspca_dev,
struct cam *cam = &gspca_dev->cam;
struct sd *dev = (struct sd *) gspca_dev;
- dev->quality = 85;
- dev->jpegqual = 85;
+ dev->type = id->driver_info;
+ gspca_dev->cam.ctrls = dev->ctrls;
+ dev->quality = QUALITY_DEF;
+ dev->ctrls[LIGHTFREQ].def = V4L2_CID_POWER_LINE_FREQUENCY_60HZ;
+ dev->ctrls[RED].def = RED_BALANCE_DEF;
+ dev->ctrls[GREEN].def = GREEN_BALANCE_DEF;
+ dev->ctrls[BLUE].def = BLUE_BALANCE_DEF;
PDEBUG(D_PROBE,
"JEILINJ camera detected"
" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
cam->cam_mode = jlj_mode;
- cam->nmodes = 1;
+ cam->nmodes = ARRAY_SIZE(jlj_mode);
cam->bulk = 1;
- /* We don't use the buffer gspca allocates so make it small. */
- cam->bulk_size = 32;
- INIT_WORK(&dev->work_struct, jlj_dostream);
+ cam->bulk_nurbs = 1;
+ cam->bulk_size = JEILINJ_MAX_TRANSFER;
return 0;
}
-/* called on streamoff with alt==0 and on disconnect */
-/* the usb_lock is held at entry - restore on exit */
-static void sd_stop0(struct gspca_dev *gspca_dev)
+static void sd_stopN(struct gspca_dev *gspca_dev)
{
- struct sd *dev = (struct sd *) gspca_dev;
+ int i;
+ u8 *buf;
+ 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++;
- /* wait for the work queue to terminate */
- mutex_unlock(&gspca_dev->usb_lock);
- /* This waits for jlj_dostream to finish */
- destroy_workqueue(dev->work_thread);
- dev->work_thread = NULL;
- mutex_lock(&gspca_dev->usb_lock);
+ 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 0;
+ 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;
- int ret;
/* 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 320x240");
- ret = jlj_start(gspca_dev);
- if (ret < 0) {
- PDEBUG(D_ERR, "Start streaming command failed");
- return ret;
- }
- /* Start the workqueue function to do the streaming */
- dev->work_thread = create_singlethread_workqueue(MODULE_NAME);
- queue_work(dev->work_thread, &dev->work_struct);
-
- return 0;
+ 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)},
+ {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_querymenu(struct gspca_dev *gspca_dev,
+ struct v4l2_querymenu *menu)
+{
+ switch (menu->id) {
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ switch (menu->index) {
+ case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
+ strcpy((char *) menu->name, "disable");
+ return 0;
+ case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
+ strcpy((char *) menu->name, "50 Hz");
+ return 0;
+ case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
+ strcpy((char *) menu->name, "60 Hz");
+ return 0;
+ }
+ break;
+ }
+ return -EINVAL;
+}
+
+static int sd_set_jcomp(struct gspca_dev *gspca_dev,
+ struct v4l2_jpegcompression *jcomp)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (jcomp->quality < QUALITY_MIN)
+ sd->quality = QUALITY_MIN;
+ else if (jcomp->quality > QUALITY_MAX)
+ sd->quality = QUALITY_MAX;
+ else
+ sd->quality = jcomp->quality;
+ if (gspca_dev->streaming) {
+ jpeg_set_qual(sd->jpeg_hdr, sd->quality);
+ setcamquality(gspca_dev);
+ }
+ 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 = sd->quality;
+ jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
+ | V4L2_JPEG_MARKER_DQT;
+ return 0;
+}
+
+
/* sub-driver description */
-static const struct sd_desc sd_desc = {
+static const struct sd_desc sd_desc_sakar_57379 = {
.name = MODULE_NAME,
.config = sd_config,
.init = sd_init,
.start = sd_start,
- .stop0 = sd_stop0,
+ .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,
+ .start = sd_start,
+ .stopN = sd_stopN,
+ .pkt_scan = sd_pkt_scan,
+ .ctrls = sd_ctrls,
+ .nctrls = ARRAY_SIZE(sd_ctrls),
+ .querymenu = sd_querymenu,
+ .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 -- */
@@ -333,7 +570,7 @@ static int sd_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return gspca_dev_probe(intf, id,
- &sd_desc,
+ sd_desc[id->driver_info],
sizeof(struct sd),
THIS_MODULE);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.