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Date: Wed, 16 Mar 2011 21:06:13 +0100
From: Patrice Chotard <patrice.chotard@....fr>
To: linux-media@...r.kernel.org
CC: Theodore Kilgore <kilgota@...ach.math.auburn.edu>,
linux-kernel@...r.kernel.org
Subject: [PATCH] New Jeilin dual-mode camera support
This is a re-submission, my previous patch has not been send in plain text.
This patch add a new jeilin dual mode camera support and some specific controls settings.
Regards
Signed-off-by: Patrice CHOTARD <patricechotard@...e.fr>
Theodore Kilgore <kilgota@...ach.math.auburn.edu>
---
Documentation/video4linux/gspca.txt | 1 +
drivers/media/video/gspca/jeilinj.c | 396 ++++++++++++++++++++++++++++++-----
2 files changed, 345 insertions(+), 52 deletions(-)
diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt
index 261776e..c4245d2 100644
--- a/Documentation/video4linux/gspca.txt
+++ b/Documentation/video4linux/gspca.txt
@@ -265,6 +265,7 @@ pac7302 093a:2629 Genious iSlim 300
pac7302 093a:262a Webcam 300k
pac7302 093a:262c Philips SPC 230 NC
jeilinj 0979:0280 Sakar 57379
+jeilinj 0979:0270 Sportscam DV15
zc3xx 0ac8:0302 Z-star Vimicro zc0302
vc032x 0ac8:0321 Vimicro generic vc0321
vc032x 0ac8:0323 Vimicro Vc0323
diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c
index 06b777f..6b14028 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
@@ -24,6 +27,7 @@
#define MODULE_NAME "jeilinj"
#include <linux/workqueue.h>
+#include <linux/delay.h>
#include <linux/slab.h>
#include "gspca.h"
#include "jpeg.h"
@@ -34,6 +38,7 @@ 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. */
@@ -41,6 +46,18 @@ MODULE_LICENSE("GPL");
#define FRAME_HEADER_LEN 0x10
+enum {
+ SAKAR_57379,
+ SPORTSCAM_DV15,
+};
+
+#define CAMQUALITY_MIN 0 /* highest cam quality */
+#define CAMQUALITY_MAX 97 /* lowest cam quality */
+
+#define JPEGQUALITY_MIN 35
+#define JPEGQUALITY_MAX 85
+#define JPEGQUALITY_DEF 85
+
/* Structure to hold all of our device specific stuff */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
@@ -48,23 +65,22 @@ struct sd {
/* Driver stuff */
struct work_struct work_struct;
struct workqueue_struct *work_thread;
- u8 quality; /* image quality */
- u8 jpegqual; /* webcam quality */
+ u8 camquality; /* webcam quality */
+ u8 jpegquality; /* jpeg quality */
u8 jpeg_hdr[JPEG_HDR_SZ];
+ u8 freq;
+ u8 type;
+ /* below variables are only used for SPORTSCAM_DV15 */
+ u8 autogain;
+ u8 cyan;
+ u8 magenta;
+ u8 yellow;
};
- struct jlj_command {
- unsigned char instruction[2];
- unsigned char ack_wanted;
- };
-
-/* 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}
+struct jlj_command {
+ unsigned char instruction[2];
+ unsigned char ack_wanted;
+ unsigned char delay;
};
/*
@@ -80,7 +96,7 @@ static int jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command)
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);
+ gspca_dev->usb_buf, 2, NULL, JEILINJ_CMD_TIMEOUT);
if (retval < 0)
err("command write [%02x] error %d",
gspca_dev->usb_buf[0], retval);
@@ -94,7 +110,7 @@ static int jlj_read1(struct gspca_dev *gspca_dev, unsigned char response)
retval = usb_bulk_msg(gspca_dev->dev,
usb_rcvbulkpipe(gspca_dev->dev, 0x84),
- gspca_dev->usb_buf, 1, NULL, 500);
+ gspca_dev->usb_buf, 1, NULL, JEILINJ_CMD_TIMEOUT);
response = gspca_dev->usb_buf[0];
if (retval < 0)
err("read command [%02x] error %d",
@@ -102,49 +118,282 @@ static int jlj_read1(struct gspca_dev *gspca_dev, unsigned char response)
return retval;
}
+static void setfreq(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct jlj_command freq_commands[] = {
+ {{0x71, 0x80}, 0, 0},
+ {{0x70, 0x07}, 0, 0}
+ };
+
+ if (sd->freq)
+ freq_commands[0].instruction[1] & (sd->freq >> 1);
+
+ jlj_write2(gspca_dev, freq_commands[0].instruction);
+ jlj_write2(gspca_dev, freq_commands[1].instruction);
+}
+
+static void setcamquality(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct jlj_command quality_commands[] = {
+ {{0x71, 0x1E}, 0, 0},
+ {{0x70, 0x06}, 0, 0}
+ };
+ u8 jpegquality;
+ u8 temp;
+
+ quality_commands[0].instruction[1] += sd->camquality;
+
+ jlj_write2(gspca_dev, quality_commands[0].instruction);
+ jlj_write2(gspca_dev, quality_commands[1].instruction);
+
+ /* adapt quantification table to camera quality */
+ temp = ((JPEGQUALITY_MAX - JPEGQUALITY_MIN) * sd->camquality)
+ / CAMQUALITY_MAX;
+ jpegquality = JPEGQUALITY_MAX - temp;
+ jpeg_set_qual(sd->jpeg_hdr, jpegquality);
+}
+
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct jlj_command autogain_commands[] = {
+ {{0x94, 0x02}, 0, 0},
+ {{0xcf, 0x00}, 0, 0}
+ };
+
+ autogain_commands[1].instruction[1] = (sd->autogain << 4);
+
+ jlj_write2(gspca_dev, autogain_commands[0].instruction);
+ jlj_write2(gspca_dev, autogain_commands[1].instruction);
+}
+
+static void setcyan(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct jlj_command setcyan_commands[] = {
+ {{0x94, 0x02}, 0, 0},
+ {{0xe6, 0x00}, 0, 0}
+ };
+
+ setcyan_commands[1].instruction[1] = sd->cyan;
+
+ jlj_write2(gspca_dev, setcyan_commands[0].instruction);
+ jlj_write2(gspca_dev, setcyan_commands[1].instruction);
+}
+
+static void setmagenta(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct jlj_command setmagenta_commands[] = {
+ {{0x94, 0x02}, 0, 0},
+ {{0xe7, 0x00}, 0, 0}
+ };
+
+ setmagenta_commands[1].instruction[1] = sd->magenta;
+
+ jlj_write2(gspca_dev, setmagenta_commands[0].instruction);
+ jlj_write2(gspca_dev, setmagenta_commands[1].instruction);
+}
+
+static void setyellow(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct jlj_command setyellow_commands[] = {
+ {{0x94, 0x02}, 0, 0},
+ {{0xe9, 0x00}, 0, 0}
+ };
+
+ setyellow_commands[1].instruction[1] = sd->yellow;
+
+ jlj_write2(gspca_dev, setyellow_commands[0].instruction);
+ jlj_write2(gspca_dev, setyellow_commands[1].instruction);
+}
+
+/* Functions to get and set a control value */
+#define SD_SETGET(thename) \
+static int sd_set##thename(struct gspca_dev *gspca_dev, s32 val)\
+{\
+ struct sd *sd = (struct sd *) gspca_dev;\
+\
+ sd->thename = val;\
+ if (gspca_dev->streaming)\
+ set##thename(gspca_dev);\
+ return 0;\
+} \
+static int sd_get##thename(struct gspca_dev *gspca_dev, s32 *val)\
+{\
+ struct sd *sd = (struct sd *) gspca_dev;\
+\
+ *val = sd->thename;\
+ return 0;\
+}
+
+SD_SETGET(freq);
+SD_SETGET(camquality);
+SD_SETGET(autogain);
+SD_SETGET(cyan);
+SD_SETGET(magenta);
+SD_SETGET(yellow);
+
+static struct ctrl sd_ctrls[] = {
+ {
+ {
+ .id = V4L2_CID_POWER_LINE_FREQUENCY,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .name = "Light frequency filter",
+ .minimum = V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, /* 0 */
+ .maximum = V4L2_CID_POWER_LINE_FREQUENCY_60HZ, /* 2 */
+ .step = 1,
+ .default_value = V4L2_CID_POWER_LINE_FREQUENCY_60HZ,
+ },
+ .set = sd_setfreq,
+ .get = sd_getfreq,
+ },
+ {
+ {
+ .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 = sd_setautogain,
+ .get = sd_getautogain,
+ },
+ {
+ {
+#define V4L2_CID_CAMQUALITY (V4L2_CID_USER_BASE + 1)
+ .id = V4L2_CID_CAMQUALITY,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Image quality",
+ .minimum = CAMQUALITY_MIN,
+ .maximum = CAMQUALITY_MAX,
+ .step = 1,
+#define CAMQUALITY_DEF 0
+ .default_value = CAMQUALITY_DEF,
+ },
+ .set = sd_setcamquality,
+ .get = sd_getcamquality,
+ },
+ {
+ {
+#define V4L2_CID_CYAN_BALANCE (V4L2_CID_USER_BASE + 2)
+ .id = V4L2_CID_CYAN_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Cyan balance",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define CYAN_BALANCE_DEF 2
+ .default_value = CYAN_BALANCE_DEF,
+ },
+ .set = sd_setcyan,
+ .get = sd_getcyan,
+ },
+ {
+ {
+#define V4L2_CID_MAGENTA_BALANCE (V4L2_CID_USER_BASE + 3)
+ .id = V4L2_CID_MAGENTA_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Magenta balance",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define MAGENTA_BALANCE_DEF 2
+ .default_value = MAGENTA_BALANCE_DEF,
+ },
+ .set = sd_setmagenta,
+ .get = sd_getmagenta,
+ },
+ {
+ {
+#define V4L2_CID_YELLOW_BALANCE (V4L2_CID_USER_BASE + 4)
+ .id = V4L2_CID_YELLOW_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Yellow balance",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define YELLOW_BALANCE_DEF 2
+ .default_value = YELLOW_BALANCE_DEF,
+ },
+ .set = sd_setyellow,
+ .get = sd_getyellow,
+ },
+};
+
+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}
+};
+
static int jlj_start(struct gspca_dev *gspca_dev)
{
+ struct sd *sd = (struct sd *) gspca_dev;
int i;
int retval = -1;
+ int start_commands_size;
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}
+ {{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},
+ {{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(start_commands); i++) {
+
+ /* 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 = 9;
+ else
+ start_commands_size = ARRAY_SIZE(start_commands);
+
+ for (i = 0; i < start_commands_size; i++) {
retval = jlj_write2(gspca_dev, start_commands[i].instruction);
if (retval < 0)
return retval;
+ if (start_commands[i].delay)
+ mdelay(start_commands[i].delay);
if (start_commands[i].ack_wanted)
retval = jlj_read1(gspca_dev, response);
if (retval < 0)
return retval;
}
+ setcamquality(gspca_dev);
+ setfreq(gspca_dev);
PDEBUG(D_ERR, "jlj_start retval is %d", retval);
return retval;
}
@@ -256,13 +505,15 @@ 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;
+ dev->camquality = CAMQUALITY_DEF;
+ dev->jpegquality = JPEGQUALITY_DEF;
+ dev->freq = V4L2_CID_POWER_LINE_FREQUENCY_60HZ;
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;
@@ -299,8 +550,10 @@ static int sd_start(struct gspca_dev *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 320x240");
+ dev->jpegquality = JPEGQUALITY_DEF;
+ jpeg_set_qual(dev->jpeg_hdr, dev->jpegquality);
+ PDEBUG(D_STREAM, "Start streaming at %dx%d",
+ gspca_dev->width, gspca_dev->height);
ret = jlj_start(gspca_dev);
if (ret < 0) {
PDEBUG(D_ERR, "Start streaming command failed");
@@ -315,14 +568,36 @@ static int sd_start(struct gspca_dev *gspca_dev)
/* 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, "NoFliker");
+ 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;
+}
+
/* 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,
@@ -330,12 +605,29 @@ static const struct sd_desc sd_desc = {
.stop0 = sd_stop0,
};
+/* sub-driver description */
+static const struct sd_desc sd_desc_sportscam_dv15 = {
+ .name = MODULE_NAME,
+ .config = sd_config,
+ .init = sd_init,
+ .start = sd_start,
+ .stop0 = sd_stop0,
+ .ctrls = sd_ctrls,
+ .nctrls = ARRAY_SIZE(sd_ctrls),
+ .querymenu = sd_querymenu,
+};
+
+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,
+ sd_desc[id->driver_info],
sizeof(struct sd),
THIS_MODULE);
}
--
1.7.0.4
--
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