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@@ -13,29 +13,22 @@
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* License, or (at your option) any later version
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*/
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#include <linux/module.h>
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-#include <linux/delay.h>
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#include <linux/errno.h>
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-#include <linux/fs.h>
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#include <linux/kernel.h>
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-#include <linux/slab.h>
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-#include <linux/mm.h>
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-#include <linux/ioport.h>
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#include <linux/init.h>
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#include <linux/sched.h>
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-#include <linux/pci.h>
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-#include <linux/random.h>
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+#include <linux/font.h>
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#include <linux/version.h>
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#include <linux/mutex.h>
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#include <linux/videodev2.h>
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-#include <linux/dma-mapping.h>
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-#include <linux/interrupt.h>
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#include <linux/kthread.h>
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-#include <linux/highmem.h>
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20)
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#include <linux/freezer.h>
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+#endif
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#include <media/videobuf-vmalloc.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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-#include "font.h"
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+#include <media/v4l2-common.h>
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#define VIVI_MODULE_NAME "vivi"
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@@ -44,8 +37,11 @@
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#define WAKE_DENOMINATOR 1001
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#define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
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+#define MAX_WIDTH 1920
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+#define MAX_HEIGHT 1200
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+
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#define VIVI_MAJOR_VERSION 0
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-#define VIVI_MINOR_VERSION 6
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+#define VIVI_MINOR_VERSION 7
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#define VIVI_RELEASE 0
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#define VIVI_VERSION \
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KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE)
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@@ -70,56 +66,8 @@ static unsigned int vid_limit = 16;
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module_param(vid_limit, uint, 0644);
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MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
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-
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-/* supported controls */
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-static struct v4l2_queryctrl vivi_qctrl[] = {
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- {
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- .id = V4L2_CID_AUDIO_VOLUME,
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- .name = "Volume",
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- .minimum = 0,
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- .maximum = 65535,
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- .step = 65535/100,
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- .default_value = 65535,
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- .flags = V4L2_CTRL_FLAG_SLIDER,
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- .type = V4L2_CTRL_TYPE_INTEGER,
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- }, {
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- .id = V4L2_CID_BRIGHTNESS,
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- .type = V4L2_CTRL_TYPE_INTEGER,
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- .name = "Brightness",
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- .minimum = 0,
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- .maximum = 255,
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- .step = 1,
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- .default_value = 127,
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- .flags = V4L2_CTRL_FLAG_SLIDER,
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- }, {
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- .id = V4L2_CID_CONTRAST,
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- .type = V4L2_CTRL_TYPE_INTEGER,
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- .name = "Contrast",
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- .minimum = 0,
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- .maximum = 255,
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- .step = 0x1,
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- .default_value = 0x10,
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- .flags = V4L2_CTRL_FLAG_SLIDER,
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- }, {
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- .id = V4L2_CID_SATURATION,
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- .type = V4L2_CTRL_TYPE_INTEGER,
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- .name = "Saturation",
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- .minimum = 0,
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- .maximum = 255,
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- .step = 0x1,
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- .default_value = 127,
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- .flags = V4L2_CTRL_FLAG_SLIDER,
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- }, {
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- .id = V4L2_CID_HUE,
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- .type = V4L2_CTRL_TYPE_INTEGER,
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- .name = "Hue",
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- .minimum = -128,
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- .maximum = 127,
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- .step = 0x1,
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- .default_value = 0,
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- .flags = V4L2_CTRL_FLAG_SLIDER,
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- }
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-};
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+/* Global font descriptor */
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+static const u8 *font8x16;
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#define dprintk(dev, level, fmt, arg...) \
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v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg)
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@@ -214,41 +162,38 @@ struct vivi_dev {
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struct list_head vivi_devlist;
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struct v4l2_device v4l2_dev;
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+ /* controls */
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+ int brightness;
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+ int contrast;
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+ int saturation;
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+ int hue;
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+ int volume;
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+
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spinlock_t slock;
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struct mutex mutex;
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- int users;
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-
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/* various device info */
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struct video_device *vfd;
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struct vivi_dmaqueue vidq;
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/* Several counters */
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- int h, m, s, ms;
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+ unsigned ms;
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unsigned long jiffies;
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- char timestr[13];
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int mv_count; /* Controls bars movement */
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/* Input Number */
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int input;
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- /* Control 'registers' */
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- int qctl_regs[ARRAY_SIZE(vivi_qctrl)];
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-};
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-
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-struct vivi_fh {
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- struct vivi_dev *dev;
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-
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/* video capture */
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struct vivi_fmt *fmt;
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unsigned int width, height;
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struct videobuf_queue vb_vidq;
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- enum v4l2_buf_type type;
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- unsigned char bars[8][3];
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- int input; /* Input Number on bars */
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+ unsigned long generating;
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+ u8 bars[9][3];
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+ u8 line[MAX_WIDTH * 4];
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};
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/* ------------------------------------------------------------------
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@@ -259,19 +204,20 @@ struct vivi_fh {
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enum colors {
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WHITE,
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- AMBAR,
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+ AMBER,
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CYAN,
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GREEN,
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MAGENTA,
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RED,
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BLUE,
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BLACK,
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+ TEXT_BLACK,
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};
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- /* R G B */
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+/* R G B */
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#define COLOR_WHITE {204, 204, 204}
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-#define COLOR_AMBAR {208, 208, 0}
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-#define COLOR_CIAN { 0, 206, 206}
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+#define COLOR_AMBER {208, 208, 0}
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+#define COLOR_CYAN { 0, 206, 206}
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#define COLOR_GREEN { 0, 239, 0}
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#define COLOR_MAGENTA {239, 0, 239}
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#define COLOR_RED {205, 0, 0}
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@@ -279,56 +225,24 @@ enum colors {
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#define COLOR_BLACK { 0, 0, 0}
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struct bar_std {
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- u8 bar[8][3];
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+ u8 bar[9][3];
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};
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/* Maximum number of bars are 10 - otherwise, the input print code
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should be modified */
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static struct bar_std bars[] = {
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{ /* Standard ITU-R color bar sequence */
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- {
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- COLOR_WHITE,
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- COLOR_AMBAR,
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- COLOR_CIAN,
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- COLOR_GREEN,
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- COLOR_MAGENTA,
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- COLOR_RED,
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- COLOR_BLUE,
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- COLOR_BLACK,
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- }
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+ { COLOR_WHITE, COLOR_AMBER, COLOR_CYAN, COLOR_GREEN,
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+ COLOR_MAGENTA, COLOR_RED, COLOR_BLUE, COLOR_BLACK, COLOR_BLACK }
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}, {
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- {
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- COLOR_WHITE,
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- COLOR_AMBAR,
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- COLOR_BLACK,
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- COLOR_WHITE,
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- COLOR_AMBAR,
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- COLOR_BLACK,
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- COLOR_WHITE,
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- COLOR_AMBAR,
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- }
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+ { COLOR_WHITE, COLOR_AMBER, COLOR_BLACK, COLOR_WHITE,
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+ COLOR_AMBER, COLOR_BLACK, COLOR_WHITE, COLOR_AMBER, COLOR_BLACK }
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}, {
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- {
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- COLOR_WHITE,
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- COLOR_CIAN,
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- COLOR_BLACK,
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- COLOR_WHITE,
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- COLOR_CIAN,
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- COLOR_BLACK,
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- COLOR_WHITE,
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- COLOR_CIAN,
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- }
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+ { COLOR_WHITE, COLOR_CYAN, COLOR_BLACK, COLOR_WHITE,
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+ COLOR_CYAN, COLOR_BLACK, COLOR_WHITE, COLOR_CYAN, COLOR_BLACK }
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}, {
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- {
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- COLOR_WHITE,
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- COLOR_GREEN,
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- COLOR_BLACK,
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- COLOR_WHITE,
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- COLOR_GREEN,
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- COLOR_BLACK,
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- COLOR_WHITE,
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- COLOR_GREEN,
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- }
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+ { COLOR_WHITE, COLOR_GREEN, COLOR_BLACK, COLOR_WHITE,
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+ COLOR_GREEN, COLOR_BLACK, COLOR_WHITE, COLOR_GREEN, COLOR_BLACK }
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},
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};
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@@ -344,21 +258,18 @@ static struct bar_std bars[] = {
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(((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
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/* precalculate color bar values to speed up rendering */
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-static void precalculate_bars(struct vivi_fh *fh)
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+static void precalculate_bars(struct vivi_dev *dev)
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{
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- struct vivi_dev *dev = fh->dev;
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- unsigned char r, g, b;
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+ u8 r, g, b;
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int k, is_yuv;
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- fh->input = dev->input;
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-
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- for (k = 0; k < 8; k++) {
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- r = bars[fh->input].bar[k][0];
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- g = bars[fh->input].bar[k][1];
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- b = bars[fh->input].bar[k][2];
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+ for (k = 0; k < 9; k++) {
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+ r = bars[dev->input].bar[k][0];
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+ g = bars[dev->input].bar[k][1];
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+ b = bars[dev->input].bar[k][2];
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is_yuv = 0;
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- switch (fh->fmt->fourcc) {
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+ switch (dev->fmt->fourcc) {
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case V4L2_PIX_FMT_YUYV:
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case V4L2_PIX_FMT_UYVY:
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is_yuv = 1;
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@@ -378,16 +289,15 @@ static void precalculate_bars(struct vivi_fh *fh)
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}
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if (is_yuv) {
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- fh->bars[k][0] = TO_Y(r, g, b); /* Luma */
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- fh->bars[k][1] = TO_U(r, g, b); /* Cb */
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- fh->bars[k][2] = TO_V(r, g, b); /* Cr */
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+ dev->bars[k][0] = TO_Y(r, g, b); /* Luma */
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+ dev->bars[k][1] = TO_U(r, g, b); /* Cb */
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+ dev->bars[k][2] = TO_V(r, g, b); /* Cr */
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} else {
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- fh->bars[k][0] = r;
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- fh->bars[k][1] = g;
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- fh->bars[k][2] = b;
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+ dev->bars[k][0] = r;
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+ dev->bars[k][1] = g;
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+ dev->bars[k][2] = b;
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}
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}
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-
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}
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#define TSTAMP_MIN_Y 24
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@@ -395,20 +305,20 @@ static void precalculate_bars(struct vivi_fh *fh)
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#define TSTAMP_INPUT_X 10
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#define TSTAMP_MIN_X (54 + TSTAMP_INPUT_X)
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-static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
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+static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos)
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{
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- unsigned char r_y, g_u, b_v;
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- unsigned char *p;
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+ u8 r_y, g_u, b_v;
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int color;
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+ u8 *p;
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- r_y = fh->bars[colorpos][0]; /* R or precalculated Y */
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- g_u = fh->bars[colorpos][1]; /* G or precalculated U */
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- b_v = fh->bars[colorpos][2]; /* B or precalculated V */
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+ r_y = dev->bars[colorpos][0]; /* R or precalculated Y */
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+ g_u = dev->bars[colorpos][1]; /* G or precalculated U */
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+ b_v = dev->bars[colorpos][2]; /* B or precalculated V */
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for (color = 0; color < 4; color++) {
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p = buf + color;
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- switch (fh->fmt->fourcc) {
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+ switch (dev->fmt->fourcc) {
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case V4L2_PIX_FMT_YUYV:
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switch (color) {
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case 0:
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@@ -489,123 +399,88 @@ static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
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}
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}
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-static void gen_line(struct vivi_fh *fh, char *basep, int inipos, int wmax,
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- int hmax, int line, int count, char *timestr)
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+static void precalculate_line(struct vivi_dev *dev)
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{
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- int w, i, j;
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- int pos = inipos;
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- char *s;
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- u8 chr;
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-
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- /* We will just duplicate the second pixel at the packet */
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- wmax /= 2;
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+ int w;
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- /* Generate a standard color bar pattern */
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- for (w = 0; w < wmax; w++) {
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- int colorpos = ((w + count) * 8/(wmax + 1)) % 8;
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+ for (w = 0; w < dev->width * 2; w += 2) {
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+ int colorpos = (w / (dev->width / 8) % 8);
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- gen_twopix(fh, basep + pos, colorpos);
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- pos += 4; /* only 16 bpp supported for now */
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+ gen_twopix(dev, dev->line + w * 2, colorpos);
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}
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+}
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- /* Prints input entry number */
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-
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- /* Checks if it is possible to input number */
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- if (TSTAMP_MAX_Y >= hmax)
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- goto end;
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-
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- if (TSTAMP_INPUT_X + strlen(timestr) >= wmax)
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- goto end;
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-
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- if (line >= TSTAMP_MIN_Y && line <= TSTAMP_MAX_Y) {
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- chr = rom8x16_bits[fh->input * 16 + line - TSTAMP_MIN_Y];
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- pos = TSTAMP_INPUT_X;
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- for (i = 0; i < 7; i++) {
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- /* Draw white font on black background */
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- if (chr & 1 << (7 - i))
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- gen_twopix(fh, basep + pos, WHITE);
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- else
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- gen_twopix(fh, basep + pos, BLACK);
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- pos += 2;
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- }
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- }
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+static void gen_text(struct vivi_dev *dev, char *basep,
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+ int y, int x, char *text)
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+{
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+ int line;
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- /* Checks if it is possible to show timestamp */
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- if (TSTAMP_MIN_X + strlen(timestr) >= wmax)
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- goto end;
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+ /* Checks if it is possible to show string */
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+ if (y + 16 >= dev->height || x + strlen(text) * 8 >= dev->width)
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+ return;
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/* Print stream time */
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- if (line >= TSTAMP_MIN_Y && line <= TSTAMP_MAX_Y) {
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- j = TSTAMP_MIN_X;
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- for (s = timestr; *s; s++) {
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- chr = rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y];
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- for (i = 0; i < 7; i++) {
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- pos = inipos + j * 2;
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+ for (line = y; line < y + 16; line++) {
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+ int j = 0;
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+ char *pos = basep + line * dev->width * 2 + x * 2;
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+ char *s;
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|
+
|
|
|
+ for (s = text; *s; s++) {
|
|
|
+ u8 chr = font8x16[*s * 16 + line - y];
|
|
|
+ int i;
|
|
|
+
|
|
|
+ for (i = 0; i < 7; i++, j++) {
|
|
|
/* Draw white font on black background */
|
|
|
- if (chr & 1 << (7 - i))
|
|
|
- gen_twopix(fh, basep + pos, WHITE);
|
|
|
+ if (chr & (1 << (7 - i)))
|
|
|
+ gen_twopix(dev, pos + j * 2, WHITE);
|
|
|
else
|
|
|
- gen_twopix(fh, basep + pos, BLACK);
|
|
|
- j++;
|
|
|
+ gen_twopix(dev, pos + j * 2, TEXT_BLACK);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
-
|
|
|
-end:
|
|
|
- return;
|
|
|
}
|
|
|
|
|
|
-static void vivi_fillbuff(struct vivi_fh *fh, struct vivi_buffer *buf)
|
|
|
+static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
|
|
|
{
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
- int h , pos = 0;
|
|
|
- int hmax = buf->vb.height;
|
|
|
- int wmax = buf->vb.width;
|
|
|
+ int hmax = buf->vb.height;
|
|
|
+ int wmax = buf->vb.width;
|
|
|
struct timeval ts;
|
|
|
- char *tmpbuf;
|
|
|
void *vbuf = videobuf_to_vmalloc(&buf->vb);
|
|
|
+ unsigned ms;
|
|
|
+ char str[100];
|
|
|
+ int h, line = 1;
|
|
|
|
|
|
if (!vbuf)
|
|
|
return;
|
|
|
|
|
|
- tmpbuf = kmalloc(wmax * 2, GFP_ATOMIC);
|
|
|
- if (!tmpbuf)
|
|
|
- return;
|
|
|
-
|
|
|
- for (h = 0; h < hmax; h++) {
|
|
|
- gen_line(fh, tmpbuf, 0, wmax, hmax, h, dev->mv_count,
|
|
|
- dev->timestr);
|
|
|
- memcpy(vbuf + pos, tmpbuf, wmax * 2);
|
|
|
- pos += wmax*2;
|
|
|
- }
|
|
|
-
|
|
|
- dev->mv_count++;
|
|
|
-
|
|
|
- kfree(tmpbuf);
|
|
|
+ for (h = 0; h < hmax; h++)
|
|
|
+ memcpy(vbuf + h * wmax * 2, dev->line + (dev->mv_count % wmax) * 2, wmax * 2);
|
|
|
|
|
|
/* Updates stream time */
|
|
|
|
|
|
- dev->ms += jiffies_to_msecs(jiffies-dev->jiffies);
|
|
|
+ dev->ms += jiffies_to_msecs(jiffies - dev->jiffies);
|
|
|
dev->jiffies = jiffies;
|
|
|
- if (dev->ms >= 1000) {
|
|
|
- dev->ms -= 1000;
|
|
|
- dev->s++;
|
|
|
- if (dev->s >= 60) {
|
|
|
- dev->s -= 60;
|
|
|
- dev->m++;
|
|
|
- if (dev->m > 60) {
|
|
|
- dev->m -= 60;
|
|
|
- dev->h++;
|
|
|
- if (dev->h > 24)
|
|
|
- dev->h -= 24;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
|
|
|
- dev->h, dev->m, dev->s, dev->ms);
|
|
|
-
|
|
|
- dprintk(dev, 2, "vivifill at %s: Buffer 0x%08lx size= %d\n",
|
|
|
- dev->timestr, (unsigned long)tmpbuf, pos);
|
|
|
+ ms = dev->ms;
|
|
|
+ snprintf(str, sizeof(str), " %02d:%02d:%02d:%03d ",
|
|
|
+ (ms / (60 * 60 * 1000)) % 24,
|
|
|
+ (ms / (60 * 1000)) % 60,
|
|
|
+ (ms / 1000) % 60,
|
|
|
+ ms % 1000);
|
|
|
+ gen_text(dev, vbuf, line++ * 16, 16, str);
|
|
|
+ snprintf(str, sizeof(str), " %dx%d, input %d ",
|
|
|
+ dev->width, dev->height, dev->input);
|
|
|
+ gen_text(dev, vbuf, line++ * 16, 16, str);
|
|
|
+
|
|
|
+ snprintf(str, sizeof(str), " brightness %3d, contrast %3d, saturation %3d, hue %d ",
|
|
|
+ dev->brightness,
|
|
|
+ dev->contrast,
|
|
|
+ dev->saturation,
|
|
|
+ dev->hue);
|
|
|
+ gen_text(dev, vbuf, line++ * 16, 16, str);
|
|
|
+ snprintf(str, sizeof(str), " volume %3d ", dev->volume);
|
|
|
+ gen_text(dev, vbuf, line++ * 16, 16, str);
|
|
|
+
|
|
|
+ dev->mv_count += 2;
|
|
|
|
|
|
/* Advice that buffer was filled */
|
|
|
buf->vb.field_count++;
|
|
|
@@ -614,12 +489,10 @@ static void vivi_fillbuff(struct vivi_fh *fh, struct vivi_buffer *buf)
|
|
|
buf->vb.state = VIDEOBUF_DONE;
|
|
|
}
|
|
|
|
|
|
-static void vivi_thread_tick(struct vivi_fh *fh)
|
|
|
+static void vivi_thread_tick(struct vivi_dev *dev)
|
|
|
{
|
|
|
- struct vivi_buffer *buf;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
struct vivi_dmaqueue *dma_q = &dev->vidq;
|
|
|
-
|
|
|
+ struct vivi_buffer *buf;
|
|
|
unsigned long flags = 0;
|
|
|
|
|
|
dprintk(dev, 1, "Thread tick\n");
|
|
|
@@ -642,22 +515,20 @@ static void vivi_thread_tick(struct vivi_fh *fh)
|
|
|
do_gettimeofday(&buf->vb.ts);
|
|
|
|
|
|
/* Fill buffer */
|
|
|
- vivi_fillbuff(fh, buf);
|
|
|
+ vivi_fillbuff(dev, buf);
|
|
|
dprintk(dev, 1, "filled buffer %p\n", buf);
|
|
|
|
|
|
wake_up(&buf->vb.done);
|
|
|
dprintk(dev, 2, "[%p/%d] wakeup\n", buf, buf->vb. i);
|
|
|
unlock:
|
|
|
spin_unlock_irqrestore(&dev->slock, flags);
|
|
|
- return;
|
|
|
}
|
|
|
|
|
|
#define frames_to_ms(frames) \
|
|
|
((frames * WAKE_NUMERATOR * 1000) / WAKE_DENOMINATOR)
|
|
|
|
|
|
-static void vivi_sleep(struct vivi_fh *fh)
|
|
|
+static void vivi_sleep(struct vivi_dev *dev)
|
|
|
{
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
struct vivi_dmaqueue *dma_q = &dev->vidq;
|
|
|
int timeout;
|
|
|
DECLARE_WAITQUEUE(wait, current);
|
|
|
@@ -672,7 +543,7 @@ static void vivi_sleep(struct vivi_fh *fh)
|
|
|
/* Calculate time to wake up */
|
|
|
timeout = msecs_to_jiffies(frames_to_ms(1));
|
|
|
|
|
|
- vivi_thread_tick(fh);
|
|
|
+ vivi_thread_tick(dev);
|
|
|
|
|
|
schedule_timeout_interruptible(timeout);
|
|
|
|
|
|
@@ -683,15 +554,14 @@ stop_task:
|
|
|
|
|
|
static int vivi_thread(void *data)
|
|
|
{
|
|
|
- struct vivi_fh *fh = data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = data;
|
|
|
|
|
|
dprintk(dev, 1, "thread started\n");
|
|
|
|
|
|
set_freezable();
|
|
|
|
|
|
for (;;) {
|
|
|
- vivi_sleep(fh);
|
|
|
+ vivi_sleep(dev);
|
|
|
|
|
|
if (kthread_should_stop())
|
|
|
break;
|
|
|
@@ -700,39 +570,61 @@ static int vivi_thread(void *data)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static int vivi_start_thread(struct vivi_fh *fh)
|
|
|
+static void vivi_start_generating(struct file *file)
|
|
|
{
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
struct vivi_dmaqueue *dma_q = &dev->vidq;
|
|
|
|
|
|
- dma_q->frame = 0;
|
|
|
- dma_q->ini_jiffies = jiffies;
|
|
|
-
|
|
|
dprintk(dev, 1, "%s\n", __func__);
|
|
|
|
|
|
- dma_q->kthread = kthread_run(vivi_thread, fh, "vivi");
|
|
|
+ if (test_and_set_bit(0, &dev->generating))
|
|
|
+ return;
|
|
|
+ file->private_data = dev;
|
|
|
+
|
|
|
+ /* Resets frame counters */
|
|
|
+ dev->ms = 0;
|
|
|
+ dev->mv_count = 0;
|
|
|
+ dev->jiffies = jiffies;
|
|
|
+
|
|
|
+ dma_q->frame = 0;
|
|
|
+ dma_q->ini_jiffies = jiffies;
|
|
|
+ dma_q->kthread = kthread_run(vivi_thread, dev, dev->v4l2_dev.name);
|
|
|
|
|
|
if (IS_ERR(dma_q->kthread)) {
|
|
|
v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n");
|
|
|
- return PTR_ERR(dma_q->kthread);
|
|
|
+ clear_bit(0, &dev->generating);
|
|
|
+ return;
|
|
|
}
|
|
|
/* Wakes thread */
|
|
|
wake_up_interruptible(&dma_q->wq);
|
|
|
|
|
|
dprintk(dev, 1, "returning from %s\n", __func__);
|
|
|
- return 0;
|
|
|
}
|
|
|
|
|
|
-static void vivi_stop_thread(struct vivi_dmaqueue *dma_q)
|
|
|
+static void vivi_stop_generating(struct file *file)
|
|
|
{
|
|
|
- struct vivi_dev *dev = container_of(dma_q, struct vivi_dev, vidq);
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
+ struct vivi_dmaqueue *dma_q = &dev->vidq;
|
|
|
|
|
|
dprintk(dev, 1, "%s\n", __func__);
|
|
|
+
|
|
|
+ if (!file->private_data)
|
|
|
+ return;
|
|
|
+ if (!test_and_clear_bit(0, &dev->generating))
|
|
|
+ return;
|
|
|
+
|
|
|
/* shutdown control thread */
|
|
|
if (dma_q->kthread) {
|
|
|
kthread_stop(dma_q->kthread);
|
|
|
dma_q->kthread = NULL;
|
|
|
}
|
|
|
+ videobuf_stop(&dev->vb_vidq);
|
|
|
+ videobuf_mmap_free(&dev->vb_vidq);
|
|
|
+}
|
|
|
+
|
|
|
+static int vivi_is_generating(struct vivi_dev *dev)
|
|
|
+{
|
|
|
+ return test_bit(0, &dev->generating);
|
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------
|
|
|
@@ -741,16 +633,15 @@ static void vivi_stop_thread(struct vivi_dmaqueue *dma_q)
|
|
|
static int
|
|
|
buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
|
|
|
{
|
|
|
- struct vivi_fh *fh = vq->priv_data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = vq->priv_data;
|
|
|
|
|
|
- *size = fh->width*fh->height*2;
|
|
|
+ *size = dev->width * dev->height * 2;
|
|
|
|
|
|
if (0 == *count)
|
|
|
*count = 32;
|
|
|
|
|
|
- if (*size * *count > vid_limit * 1024 * 1024)
|
|
|
- *count = (vid_limit * 1024 * 1024) / *size;
|
|
|
+ while (*size * *count > vid_limit * 1024 * 1024)
|
|
|
+ (*count)--;
|
|
|
|
|
|
dprintk(dev, 1, "%s, count=%d, size=%d\n", __func__,
|
|
|
*count, *size);
|
|
|
@@ -760,49 +651,43 @@ buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
|
|
|
|
|
|
static void free_buffer(struct videobuf_queue *vq, struct vivi_buffer *buf)
|
|
|
{
|
|
|
- struct vivi_fh *fh = vq->priv_data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = vq->priv_data;
|
|
|
|
|
|
dprintk(dev, 1, "%s, state: %i\n", __func__, buf->vb.state);
|
|
|
|
|
|
- if (in_interrupt())
|
|
|
- BUG();
|
|
|
-
|
|
|
videobuf_vmalloc_free(&buf->vb);
|
|
|
dprintk(dev, 1, "free_buffer: freed\n");
|
|
|
buf->vb.state = VIDEOBUF_NEEDS_INIT;
|
|
|
}
|
|
|
|
|
|
-#define norm_maxw() 1024
|
|
|
-#define norm_maxh() 768
|
|
|
static int
|
|
|
buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
|
|
|
enum v4l2_field field)
|
|
|
{
|
|
|
- struct vivi_fh *fh = vq->priv_data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = vq->priv_data;
|
|
|
struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
|
|
|
int rc;
|
|
|
|
|
|
dprintk(dev, 1, "%s, field=%d\n", __func__, field);
|
|
|
|
|
|
- BUG_ON(NULL == fh->fmt);
|
|
|
+ BUG_ON(NULL == dev->fmt);
|
|
|
|
|
|
- if (fh->width < 48 || fh->width > norm_maxw() ||
|
|
|
- fh->height < 32 || fh->height > norm_maxh())
|
|
|
+ if (dev->width < 48 || dev->width > MAX_WIDTH ||
|
|
|
+ dev->height < 32 || dev->height > MAX_HEIGHT)
|
|
|
return -EINVAL;
|
|
|
|
|
|
- buf->vb.size = fh->width*fh->height*2;
|
|
|
- if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
|
|
|
+ buf->vb.size = dev->width * dev->height * 2;
|
|
|
+ if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
|
|
|
return -EINVAL;
|
|
|
|
|
|
/* These properties only change when queue is idle, see s_fmt */
|
|
|
- buf->fmt = fh->fmt;
|
|
|
- buf->vb.width = fh->width;
|
|
|
- buf->vb.height = fh->height;
|
|
|
+ buf->fmt = dev->fmt;
|
|
|
+ buf->vb.width = dev->width;
|
|
|
+ buf->vb.height = dev->height;
|
|
|
buf->vb.field = field;
|
|
|
|
|
|
- precalculate_bars(fh);
|
|
|
+ precalculate_bars(dev);
|
|
|
+ precalculate_line(dev);
|
|
|
|
|
|
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
|
|
|
rc = videobuf_iolock(vq, &buf->vb, NULL);
|
|
|
@@ -811,7 +696,6 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
|
|
|
}
|
|
|
|
|
|
buf->vb.state = VIDEOBUF_PREPARED;
|
|
|
-
|
|
|
return 0;
|
|
|
|
|
|
fail:
|
|
|
@@ -822,9 +706,8 @@ fail:
|
|
|
static void
|
|
|
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
|
|
|
{
|
|
|
- struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
|
|
|
- struct vivi_fh *fh = vq->priv_data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = vq->priv_data;
|
|
|
+ struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
|
|
|
struct vivi_dmaqueue *vidq = &dev->vidq;
|
|
|
|
|
|
dprintk(dev, 1, "%s\n", __func__);
|
|
|
@@ -836,9 +719,8 @@ buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
|
|
|
static void buffer_release(struct videobuf_queue *vq,
|
|
|
struct videobuf_buffer *vb)
|
|
|
{
|
|
|
- struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
|
|
|
- struct vivi_fh *fh = vq->priv_data;
|
|
|
- struct vivi_dev *dev = (struct vivi_dev *)fh->dev;
|
|
|
+ struct vivi_dev *dev = vq->priv_data;
|
|
|
+ struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
|
|
|
|
|
|
dprintk(dev, 1, "%s\n", __func__);
|
|
|
|
|
|
@@ -858,16 +740,14 @@ static struct videobuf_queue_ops vivi_video_qops = {
|
|
|
static int vidioc_querycap(struct file *file, void *priv,
|
|
|
struct v4l2_capability *cap)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
strcpy(cap->driver, "vivi");
|
|
|
strcpy(cap->card, "vivi");
|
|
|
strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info));
|
|
|
cap->version = VIVI_VERSION;
|
|
|
- cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
|
|
|
- V4L2_CAP_STREAMING |
|
|
|
- V4L2_CAP_READWRITE;
|
|
|
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | \
|
|
|
+ V4L2_CAP_READWRITE;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
@@ -889,28 +769,25 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
|
|
|
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
|
|
|
struct v4l2_format *f)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- f->fmt.pix.width = fh->width;
|
|
|
- f->fmt.pix.height = fh->height;
|
|
|
- f->fmt.pix.field = fh->vb_vidq.field;
|
|
|
- f->fmt.pix.pixelformat = fh->fmt->fourcc;
|
|
|
+ f->fmt.pix.width = dev->width;
|
|
|
+ f->fmt.pix.height = dev->height;
|
|
|
+ f->fmt.pix.field = dev->vb_vidq.field;
|
|
|
+ f->fmt.pix.pixelformat = dev->fmt->fourcc;
|
|
|
f->fmt.pix.bytesperline =
|
|
|
- (f->fmt.pix.width * fh->fmt->depth) >> 3;
|
|
|
+ (f->fmt.pix.width * dev->fmt->depth) >> 3;
|
|
|
f->fmt.pix.sizeimage =
|
|
|
f->fmt.pix.height * f->fmt.pix.bytesperline;
|
|
|
-
|
|
|
- return (0);
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
|
|
|
struct v4l2_format *f)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
struct vivi_fmt *fmt;
|
|
|
enum v4l2_field field;
|
|
|
- unsigned int maxw, maxh;
|
|
|
|
|
|
fmt = get_format(f);
|
|
|
if (!fmt) {
|
|
|
@@ -928,113 +805,109 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
- maxw = norm_maxw();
|
|
|
- maxh = norm_maxh();
|
|
|
-
|
|
|
f->fmt.pix.field = field;
|
|
|
- v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
|
|
|
- &f->fmt.pix.height, 32, maxh, 0, 0);
|
|
|
+ v4l_bound_align_image(&f->fmt.pix.width, 48, MAX_WIDTH, 2,
|
|
|
+ &f->fmt.pix.height, 32, MAX_HEIGHT, 0, 0);
|
|
|
f->fmt.pix.bytesperline =
|
|
|
(f->fmt.pix.width * fmt->depth) >> 3;
|
|
|
f->fmt.pix.sizeimage =
|
|
|
f->fmt.pix.height * f->fmt.pix.bytesperline;
|
|
|
-
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-/*FIXME: This seems to be generic enough to be at videodev2 */
|
|
|
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
|
|
|
struct v4l2_format *f)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct videobuf_queue *q = &fh->vb_vidq;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
+ struct videobuf_queue *q = &dev->vb_vidq;
|
|
|
|
|
|
- int ret = vidioc_try_fmt_vid_cap(file, fh, f);
|
|
|
+ int ret = vidioc_try_fmt_vid_cap(file, priv, f);
|
|
|
if (ret < 0)
|
|
|
return ret;
|
|
|
|
|
|
mutex_lock(&q->vb_lock);
|
|
|
|
|
|
- if (videobuf_queue_is_busy(&fh->vb_vidq)) {
|
|
|
- dprintk(fh->dev, 1, "%s queue busy\n", __func__);
|
|
|
+ if (vivi_is_generating(dev)) {
|
|
|
+ dprintk(dev, 1, "%s device busy\n", __func__);
|
|
|
ret = -EBUSY;
|
|
|
goto out;
|
|
|
}
|
|
|
|
|
|
- fh->fmt = get_format(f);
|
|
|
- fh->width = f->fmt.pix.width;
|
|
|
- fh->height = f->fmt.pix.height;
|
|
|
- fh->vb_vidq.field = f->fmt.pix.field;
|
|
|
- fh->type = f->type;
|
|
|
-
|
|
|
+ dev->fmt = get_format(f);
|
|
|
+ dev->width = f->fmt.pix.width;
|
|
|
+ dev->height = f->fmt.pix.height;
|
|
|
+ dev->vb_vidq.field = f->fmt.pix.field;
|
|
|
ret = 0;
|
|
|
out:
|
|
|
mutex_unlock(&q->vb_lock);
|
|
|
-
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
static int vidioc_reqbufs(struct file *file, void *priv,
|
|
|
struct v4l2_requestbuffers *p)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- return (videobuf_reqbufs(&fh->vb_vidq, p));
|
|
|
+ return videobuf_reqbufs(&dev->vb_vidq, p);
|
|
|
}
|
|
|
|
|
|
static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- return (videobuf_querybuf(&fh->vb_vidq, p));
|
|
|
+ return videobuf_querybuf(&dev->vb_vidq, p);
|
|
|
}
|
|
|
|
|
|
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- return (videobuf_qbuf(&fh->vb_vidq, p));
|
|
|
+ return videobuf_qbuf(&dev->vb_vidq, p);
|
|
|
}
|
|
|
|
|
|
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- return (videobuf_dqbuf(&fh->vb_vidq, p,
|
|
|
- file->f_flags & O_NONBLOCK));
|
|
|
+ return videobuf_dqbuf(&dev->vb_vidq, p,
|
|
|
+ file->f_flags & O_NONBLOCK);
|
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
|
|
static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
|
|
|
+ return videobuf_cgmbuf(&dev->vb_vidq, mbuf, 8);
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
+ int ret;
|
|
|
|
|
|
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
|
- return -EINVAL;
|
|
|
- if (i != fh->type)
|
|
|
+ if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
|
return -EINVAL;
|
|
|
+ ret = videobuf_streamon(&dev->vb_vidq);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
|
|
|
- return videobuf_streamon(&fh->vb_vidq);
|
|
|
+ vivi_start_generating(file);
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
+ int ret;
|
|
|
|
|
|
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
|
- return -EINVAL;
|
|
|
- if (i != fh->type)
|
|
|
+ if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
|
return -EINVAL;
|
|
|
-
|
|
|
- return videobuf_streamoff(&fh->vb_vidq);
|
|
|
+ ret = videobuf_streamoff(&dev->vb_vidq);
|
|
|
+ if (!ret)
|
|
|
+ vivi_stop_generating(file);
|
|
|
+ return ret;
|
|
|
}
|
|
|
|
|
|
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i)
|
|
|
@@ -1052,80 +925,104 @@ static int vidioc_enum_input(struct file *file, void *priv,
|
|
|
inp->type = V4L2_INPUT_TYPE_CAMERA;
|
|
|
inp->std = V4L2_STD_525_60;
|
|
|
sprintf(inp->name, "Camera %u", inp->index);
|
|
|
-
|
|
|
- return (0);
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
*i = dev->input;
|
|
|
-
|
|
|
- return (0);
|
|
|
+ return 0;
|
|
|
}
|
|
|
+
|
|
|
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
if (i >= NUM_INPUTS)
|
|
|
return -EINVAL;
|
|
|
|
|
|
dev->input = i;
|
|
|
- precalculate_bars(fh);
|
|
|
-
|
|
|
- return (0);
|
|
|
+ precalculate_bars(dev);
|
|
|
+ precalculate_line(dev);
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
- /* --- controls ---------------------------------------------- */
|
|
|
+/* --- controls ---------------------------------------------- */
|
|
|
static int vidioc_queryctrl(struct file *file, void *priv,
|
|
|
struct v4l2_queryctrl *qc)
|
|
|
{
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
|
|
- if (qc->id && qc->id == vivi_qctrl[i].id) {
|
|
|
- memcpy(qc, &(vivi_qctrl[i]),
|
|
|
- sizeof(*qc));
|
|
|
- return (0);
|
|
|
- }
|
|
|
-
|
|
|
+ switch (qc->id) {
|
|
|
+ case V4L2_CID_AUDIO_VOLUME:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 200);
|
|
|
+ case V4L2_CID_BRIGHTNESS:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 127);
|
|
|
+ case V4L2_CID_CONTRAST:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 16);
|
|
|
+ case V4L2_CID_SATURATION:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 127);
|
|
|
+ case V4L2_CID_HUE:
|
|
|
+ return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
|
|
|
+ }
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
static int vidioc_g_ctrl(struct file *file, void *priv,
|
|
|
struct v4l2_control *ctrl)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
|
|
- if (ctrl->id == vivi_qctrl[i].id) {
|
|
|
- ctrl->value = dev->qctl_regs[i];
|
|
|
- return 0;
|
|
|
- }
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_AUDIO_VOLUME:
|
|
|
+ ctrl->value = dev->volume;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_BRIGHTNESS:
|
|
|
+ ctrl->value = dev->brightness;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_CONTRAST:
|
|
|
+ ctrl->value = dev->contrast;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_SATURATION:
|
|
|
+ ctrl->value = dev->saturation;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_HUE:
|
|
|
+ ctrl->value = dev->hue;
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
+
|
|
|
static int vidioc_s_ctrl(struct file *file, void *priv,
|
|
|
struct v4l2_control *ctrl)
|
|
|
{
|
|
|
- struct vivi_fh *fh = priv;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
|
|
- if (ctrl->id == vivi_qctrl[i].id) {
|
|
|
- if (ctrl->value < vivi_qctrl[i].minimum ||
|
|
|
- ctrl->value > vivi_qctrl[i].maximum) {
|
|
|
- return -ERANGE;
|
|
|
- }
|
|
|
- dev->qctl_regs[i] = ctrl->value;
|
|
|
- return 0;
|
|
|
- }
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
+ struct v4l2_queryctrl qc;
|
|
|
+ int err;
|
|
|
+
|
|
|
+ qc.id = ctrl->id;
|
|
|
+ err = vidioc_queryctrl(file, priv, &qc);
|
|
|
+ if (err < 0)
|
|
|
+ return err;
|
|
|
+ if (ctrl->value < qc.minimum || ctrl->value > qc.maximum)
|
|
|
+ return -ERANGE;
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_AUDIO_VOLUME:
|
|
|
+ dev->volume = ctrl->value;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_BRIGHTNESS:
|
|
|
+ dev->brightness = ctrl->value;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_CONTRAST:
|
|
|
+ dev->contrast = ctrl->value;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_SATURATION:
|
|
|
+ dev->saturation = ctrl->value;
|
|
|
+ return 0;
|
|
|
+ case V4L2_CID_HUE:
|
|
|
+ dev->hue = ctrl->value;
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
@@ -1133,134 +1030,58 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
|
|
|
File operations for the device
|
|
|
------------------------------------------------------------------*/
|
|
|
|
|
|
-static int vivi_open(struct file *file)
|
|
|
-{
|
|
|
- struct vivi_dev *dev = video_drvdata(file);
|
|
|
- struct vivi_fh *fh = NULL;
|
|
|
- int retval = 0;
|
|
|
-
|
|
|
- mutex_lock(&dev->mutex);
|
|
|
- dev->users++;
|
|
|
-
|
|
|
- if (dev->users > 1) {
|
|
|
- dev->users--;
|
|
|
- mutex_unlock(&dev->mutex);
|
|
|
- return -EBUSY;
|
|
|
- }
|
|
|
-
|
|
|
- dprintk(dev, 1, "open %s type=%s users=%d\n",
|
|
|
- video_device_node_name(dev->vfd),
|
|
|
- v4l2_type_names[V4L2_BUF_TYPE_VIDEO_CAPTURE], dev->users);
|
|
|
-
|
|
|
- /* allocate + initialize per filehandle data */
|
|
|
- fh = kzalloc(sizeof(*fh), GFP_KERNEL);
|
|
|
- if (NULL == fh) {
|
|
|
- dev->users--;
|
|
|
- retval = -ENOMEM;
|
|
|
- }
|
|
|
- mutex_unlock(&dev->mutex);
|
|
|
-
|
|
|
- if (retval)
|
|
|
- return retval;
|
|
|
-
|
|
|
- file->private_data = fh;
|
|
|
- fh->dev = dev;
|
|
|
-
|
|
|
- fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
|
- fh->fmt = &formats[0];
|
|
|
- fh->width = 640;
|
|
|
- fh->height = 480;
|
|
|
-
|
|
|
- /* Resets frame counters */
|
|
|
- dev->h = 0;
|
|
|
- dev->m = 0;
|
|
|
- dev->s = 0;
|
|
|
- dev->ms = 0;
|
|
|
- dev->mv_count = 0;
|
|
|
- dev->jiffies = jiffies;
|
|
|
- sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
|
|
|
- dev->h, dev->m, dev->s, dev->ms);
|
|
|
-
|
|
|
- videobuf_queue_vmalloc_init(&fh->vb_vidq, &vivi_video_qops,
|
|
|
- NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED,
|
|
|
- sizeof(struct vivi_buffer), fh);
|
|
|
-
|
|
|
- vivi_start_thread(fh);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
static ssize_t
|
|
|
vivi_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
|
|
|
{
|
|
|
- struct vivi_fh *fh = file->private_data;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
|
- return videobuf_read_stream(&fh->vb_vidq, data, count, ppos, 0,
|
|
|
+ vivi_start_generating(file);
|
|
|
+ return videobuf_read_stream(&dev->vb_vidq, data, count, ppos, 0,
|
|
|
file->f_flags & O_NONBLOCK);
|
|
|
- }
|
|
|
- return 0;
|
|
|
}
|
|
|
|
|
|
static unsigned int
|
|
|
vivi_poll(struct file *file, struct poll_table_struct *wait)
|
|
|
{
|
|
|
- struct vivi_fh *fh = file->private_data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
- struct videobuf_queue *q = &fh->vb_vidq;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
+ struct videobuf_queue *q = &dev->vb_vidq;
|
|
|
|
|
|
dprintk(dev, 1, "%s\n", __func__);
|
|
|
|
|
|
- if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
|
|
|
- return POLLERR;
|
|
|
-
|
|
|
+ vivi_start_generating(file);
|
|
|
return videobuf_poll_stream(file, q, wait);
|
|
|
}
|
|
|
|
|
|
static int vivi_close(struct file *file)
|
|
|
{
|
|
|
- struct vivi_fh *fh = file->private_data;
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|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
- struct vivi_dmaqueue *vidq = &dev->vidq;
|
|
|
struct video_device *vdev = video_devdata(file);
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
|
|
|
- vivi_stop_thread(vidq);
|
|
|
- videobuf_stop(&fh->vb_vidq);
|
|
|
- videobuf_mmap_free(&fh->vb_vidq);
|
|
|
-
|
|
|
- kfree(fh);
|
|
|
-
|
|
|
- mutex_lock(&dev->mutex);
|
|
|
- dev->users--;
|
|
|
- mutex_unlock(&dev->mutex);
|
|
|
-
|
|
|
- dprintk(dev, 1, "close called (dev=%s, users=%d)\n",
|
|
|
- video_device_node_name(vdev), dev->users);
|
|
|
+ vivi_stop_generating(file);
|
|
|
|
|
|
+ dprintk(dev, 1, "close called (dev=%s)\n",
|
|
|
+ video_device_node_name(vdev));
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
static int vivi_mmap(struct file *file, struct vm_area_struct *vma)
|
|
|
{
|
|
|
- struct vivi_fh *fh = file->private_data;
|
|
|
- struct vivi_dev *dev = fh->dev;
|
|
|
+ struct vivi_dev *dev = video_drvdata(file);
|
|
|
int ret;
|
|
|
|
|
|
dprintk(dev, 1, "mmap called, vma=0x%08lx\n", (unsigned long)vma);
|
|
|
|
|
|
- ret = videobuf_mmap_mapper(&fh->vb_vidq, vma);
|
|
|
+ ret = videobuf_mmap_mapper(&dev->vb_vidq, vma);
|
|
|
|
|
|
dprintk(dev, 1, "vma start=0x%08lx, size=%ld, ret=%d\n",
|
|
|
(unsigned long)vma->vm_start,
|
|
|
- (unsigned long)vma->vm_end-(unsigned long)vma->vm_start,
|
|
|
+ (unsigned long)vma->vm_end - (unsigned long)vma->vm_start,
|
|
|
ret);
|
|
|
-
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
static const struct v4l2_file_operations vivi_fops = {
|
|
|
.owner = THIS_MODULE,
|
|
|
- .open = vivi_open,
|
|
|
.release = vivi_close,
|
|
|
.read = vivi_read,
|
|
|
.poll = vivi_poll,
|
|
|
@@ -1282,11 +1103,11 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = {
|
|
|
.vidioc_enum_input = vidioc_enum_input,
|
|
|
.vidioc_g_input = vidioc_g_input,
|
|
|
.vidioc_s_input = vidioc_s_input,
|
|
|
+ .vidioc_streamon = vidioc_streamon,
|
|
|
+ .vidioc_streamoff = vidioc_streamoff,
|
|
|
.vidioc_queryctrl = vidioc_queryctrl,
|
|
|
.vidioc_g_ctrl = vidioc_g_ctrl,
|
|
|
.vidioc_s_ctrl = vidioc_s_ctrl,
|
|
|
- .vidioc_streamon = vidioc_streamon,
|
|
|
- .vidioc_streamoff = vidioc_streamoff,
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
|
|
.vidiocgmbuf = vidiocgmbuf,
|
|
|
#endif
|
|
|
@@ -1330,7 +1151,7 @@ static int __init vivi_create_instance(int inst)
|
|
|
{
|
|
|
struct vivi_dev *dev;
|
|
|
struct video_device *vfd;
|
|
|
- int ret, i;
|
|
|
+ int ret;
|
|
|
|
|
|
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
|
|
if (!dev)
|
|
|
@@ -1342,6 +1163,20 @@ static int __init vivi_create_instance(int inst)
|
|
|
if (ret)
|
|
|
goto free_dev;
|
|
|
|
|
|
+ dev->fmt = &formats[0];
|
|
|
+ dev->width = 640;
|
|
|
+ dev->height = 480;
|
|
|
+ dev->volume = 200;
|
|
|
+ dev->brightness = 127;
|
|
|
+ dev->contrast = 16;
|
|
|
+ dev->saturation = 127;
|
|
|
+ dev->hue = 0;
|
|
|
+
|
|
|
+ videobuf_queue_vmalloc_init(&dev->vb_vidq, &vivi_video_qops,
|
|
|
+ NULL, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE,
|
|
|
+ V4L2_FIELD_INTERLACED,
|
|
|
+ sizeof(struct vivi_buffer), dev);
|
|
|
+
|
|
|
/* init video dma queues */
|
|
|
INIT_LIST_HEAD(&dev->vidq.active);
|
|
|
init_waitqueue_head(&dev->vidq.wq);
|
|
|
@@ -1357,6 +1192,7 @@ static int __init vivi_create_instance(int inst)
|
|
|
|
|
|
*vfd = vivi_template;
|
|
|
vfd->debug = debug;
|
|
|
+ vfd->v4l2_dev = &dev->v4l2_dev;
|
|
|
|
|
|
ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr);
|
|
|
if (ret < 0)
|
|
|
@@ -1364,10 +1200,6 @@ static int __init vivi_create_instance(int inst)
|
|
|
|
|
|
video_set_drvdata(vfd, dev);
|
|
|
|
|
|
- /* Set all controls to their default value. */
|
|
|
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
|
|
- dev->qctl_regs[i] = vivi_qctrl[i].default_value;
|
|
|
-
|
|
|
/* Now that everything is fine, let's add it to device list */
|
|
|
list_add_tail(&dev->vivi_devlist, &vivi_devlist);
|
|
|
|
|
|
@@ -1396,8 +1228,15 @@ free_dev:
|
|
|
*/
|
|
|
static int __init vivi_init(void)
|
|
|
{
|
|
|
+ const struct font_desc *font = find_font("VGA8x16");
|
|
|
int ret = 0, i;
|
|
|
|
|
|
+ if (font == NULL) {
|
|
|
+ printk(KERN_ERR "vivi: could not find font\n");
|
|
|
+ return -ENODEV;
|
|
|
+ }
|
|
|
+ font8x16 = font->data;
|
|
|
+
|
|
|
if (n_devs <= 0)
|
|
|
n_devs = 1;
|
|
|
|
|
|
@@ -1412,7 +1251,7 @@ static int __init vivi_init(void)
|
|
|
}
|
|
|
|
|
|
if (ret < 0) {
|
|
|
- printk(KERN_INFO "Error %d while loading vivi driver\n", ret);
|
|
|
+ printk(KERN_ERR "vivi: error %d while loading driver\n", ret);
|
|
|
return ret;
|
|
|
}
|
|
|
|
Hans Verkuil