diff options
| -rw-r--r-- | drivers/media/video/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/media/video/font.h | 407 | ||||
| -rw-r--r-- | drivers/media/video/vivi.c | 809 |
3 files changed, 325 insertions, 892 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 67d31f6cc607..784743187a61 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -543,6 +543,7 @@ config VIDEO_DAVINCI_VPIF config VIDEO_VIVI tristate "Virtual Video Driver" depends on VIDEO_DEV && VIDEO_V4L2 && !SPARC32 && !SPARC64 + select FONT_8x16 select VIDEOBUF_VMALLOC default n ---help--- diff --git a/drivers/media/video/font.h b/drivers/media/video/font.h deleted file mode 100644 index 8b1fecc37599..000000000000 --- a/drivers/media/video/font.h +++ /dev/null @@ -1,407 +0,0 @@ -static unsigned char rom8x16_bits[] = { -/* Character 0 (0x30): - ht=16, width=8 - +--------+ - | | - | | - | ***** | - |** ** | - |** ** | - |** *** | - |** **** | - |**** ** | - |*** ** | - |** ** | - |** ** | - | ***** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x7c, -0xc6, -0xc6, -0xce, -0xde, -0xf6, -0xe6, -0xc6, -0xc6, -0x7c, -0x00, -0x00, -0x00, -0x00, - -/* Character 1 (0x31): - ht=16, width=8 - +--------+ - | | - | | - | ** | - | **** | - | ** | - | ** | - | ** | - | ** | - | ** | - | ** | - | ** | - | ****** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x18, -0x78, -0x18, -0x18, -0x18, -0x18, -0x18, -0x18, -0x18, -0x7e, -0x00, -0x00, -0x00, -0x00, - -/* Character 2 (0x32): - ht=16, width=8 - +--------+ - | | - | | - | ***** | - |** ** | - |** ** | - | ** | - | ** | - | ** | - | ** | - | ** | - |** ** | - |******* | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x7c, -0xc6, -0xc6, -0x06, -0x0c, -0x18, -0x30, -0x60, -0xc6, -0xfe, -0x00, -0x00, -0x00, -0x00, - -/* Character 3 (0x33): - ht=16, width=8 - +--------+ - | | - | | - | ***** | - |** ** | - | ** | - | ** | - | **** | - | ** | - | ** | - | ** | - |** ** | - | ***** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x7c, -0xc6, -0x06, -0x06, -0x3c, -0x06, -0x06, -0x06, -0xc6, -0x7c, -0x00, -0x00, -0x00, -0x00, - -/* Character 4 (0x34): - ht=16, width=8 - +--------+ - | | - | | - | ** | - | *** | - | **** | - | ** ** | - |** ** | - |** ** | - |******* | - | ** | - | ** | - | **** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x0c, -0x1c, -0x3c, -0x6c, -0xcc, -0xcc, -0xfe, -0x0c, -0x0c, -0x1e, -0x00, -0x00, -0x00, -0x00, - -/* Character 5 (0x35): - ht=16, width=8 - +--------+ - | | - | | - |******* | - |** | - |** | - |** | - |****** | - | ** | - | ** | - | ** | - |** ** | - | ***** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0xfe, -0xc0, -0xc0, -0xc0, -0xfc, -0x06, -0x06, -0x06, -0xc6, -0x7c, -0x00, -0x00, -0x00, -0x00, - -/* Character 6 (0x36): - ht=16, width=8 - +--------+ - | | - | | - | ***** | - |** ** | - |** | - |** | - |****** | - |** ** | - |** ** | - |** ** | - |** ** | - | ***** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x7c, -0xc6, -0xc0, -0xc0, -0xfc, -0xc6, -0xc6, -0xc6, -0xc6, -0x7c, -0x00, -0x00, -0x00, -0x00, - -/* Character 7 (0x37): - ht=16, width=8 - +--------+ - | | - | | - |******* | - |** ** | - | ** | - | ** | - | ** | - | ** | - | ** | - | ** | - | ** | - | ** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0xfe, -0xc6, -0x06, -0x0c, -0x18, -0x30, -0x30, -0x30, -0x30, -0x30, -0x00, -0x00, -0x00, -0x00, - -/* Character 8 (0x38): - ht=16, width=8 - +--------+ - | | - | | - | ***** | - |** ** | - |** ** | - |** ** | - | ***** | - |** ** | - |** ** | - |** ** | - |** ** | - | ***** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x7c, -0xc6, -0xc6, -0xc6, -0x7c, -0xc6, -0xc6, -0xc6, -0xc6, -0x7c, -0x00, -0x00, -0x00, -0x00, - -/* Character 9 (0x39): - ht=16, width=8 - +--------+ - | | - | | - | ***** | - |** ** | - |** ** | - |** ** | - |** ** | - | ****** | - | ** | - | ** | - |** ** | - | ***** | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x7c, -0xc6, -0xc6, -0xc6, -0xc6, -0x7e, -0x06, -0x06, -0xc6, -0x7c, -0x00, -0x00, -0x00, -0x00, -/* Character : (0x3a): - ht=16, width=8 - +--------+ - | | - | | - | | - | | - | | - | ** | - | ** | - | | - | | - | ** | - | ** | - | | - | | - | | - | | - | | - +--------+ */ -0x00, -0x00, -0x00, -0x00, -0x00, -0x0c, -0x0c, -0x00, -0x00, -0x0c, -0x0c, -0x00, -0x00, -0x00, -0x00, -0x00, -}; diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 5a736b8a5a33..d5e30b85c559 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -13,29 +13,22 @@ * License, or (at your option) any later version */ #include <linux/module.h> -#include <linux/delay.h> #include <linux/errno.h> -#include <linux/fs.h> #include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/ioport.h> #include <linux/init.h> #include <linux/sched.h> -#include <linux/pci.h> -#include <linux/random.h> +#include <linux/font.h> #include <linux/version.h> #include <linux/mutex.h> #include <linux/videodev2.h> -#include <linux/dma-mapping.h> -#include <linux/interrupt.h> #include <linux/kthread.h> -#include <linux/highmem.h> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20) #include <linux/freezer.h> +#endif #include <media/videobuf-vmalloc.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> -#include "font.h" +#include <media/v4l2-common.h> #define VIVI_MODULE_NAME "vivi" @@ -44,8 +37,11 @@ #define WAKE_DENOMINATOR 1001 #define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */ +#define MAX_WIDTH 1920 +#define MAX_HEIGHT 1200 + #define VIVI_MAJOR_VERSION 0 -#define VIVI_MINOR_VERSION 6 +#define VIVI_MINOR_VERSION 7 #define VIVI_RELEASE 0 #define VIVI_VERSION \ KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE) @@ -70,56 +66,8 @@ static unsigned int vid_limit = 16; module_param(vid_limit, uint, 0644); MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); - -/* supported controls */ -static struct v4l2_queryctrl vivi_qctrl[] = { - { - .id = V4L2_CID_AUDIO_VOLUME, - .name = "Volume", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 65535, - .flags = V4L2_CTRL_FLAG_SLIDER, - .type = V4L2_CTRL_TYPE_INTEGER, - }, { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 127, - .flags = V4L2_CTRL_FLAG_SLIDER, - }, { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 255, - .step = 0x1, - .default_value = 0x10, - .flags = V4L2_CTRL_FLAG_SLIDER, - }, { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 255, - .step = 0x1, - .default_value = 127, - .flags = V4L2_CTRL_FLAG_SLIDER, - }, { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = -128, - .maximum = 127, - .step = 0x1, - .default_value = 0, - .flags = V4L2_CTRL_FLAG_SLIDER, - } -}; +/* Global font descriptor */ +static const u8 *font8x16; #define dprintk(dev, level, fmt, arg...) \ v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg) @@ -214,41 +162,38 @@ struct vivi_dev { struct list_head vivi_devlist; struct v4l2_device v4l2_dev; + /* controls */ + int brightness; + int contrast; + int saturation; + int hue; + int volume; + spinlock_t slock; struct mutex mutex; - int users; - /* various device info */ struct video_device *vfd; struct vivi_dmaqueue vidq; /* Several counters */ - int h, m, s, ms; + unsigned ms; unsigned long jiffies; - char timestr[13]; int mv_count; /* Controls bars movement */ /* Input Number */ int input; - /* Control 'registers' */ - int qctl_regs[ARRAY_SIZE(vivi_qctrl)]; -}; - -struct vivi_fh { - struct vivi_dev *dev; - /* video capture */ struct vivi_fmt *fmt; unsigned int width, height; struct videobuf_queue vb_vidq; - enum v4l2_buf_type type; - unsigned char bars[8][3]; - int input; /* Input Number on bars */ + unsigned long generating; + u8 bars[9][3]; + u8 line[MAX_WIDTH * 4]; }; /* ------------------------------------------------------------------ @@ -259,19 +204,20 @@ struct vivi_fh { enum colors { WHITE, - AMBAR, + AMBER, CYAN, GREEN, MAGENTA, RED, BLUE, BLACK, + TEXT_BLACK, }; - /* R G B */ +/* R G B */ #define COLOR_WHITE {204, 204, 204} -#define COLOR_AMBAR {208, 208, 0} -#define COLOR_CIAN { 0, 206, 206} +#define COLOR_AMBER {208, 208, 0} +#define COLOR_CYAN { 0, 206, 206} #define COLOR_GREEN { 0, 239, 0} #define COLOR_MAGENTA {239, 0, 239} #define COLOR_RED {205, 0, 0} @@ -279,56 +225,24 @@ enum colors { #define COLOR_BLACK { 0, 0, 0} struct bar_std { - u8 bar[8][3]; + u8 bar[9][3]; }; /* Maximum number of bars are 10 - otherwise, the input print code should be modified */ static struct bar_std bars[] = { { /* Standard ITU-R color bar sequence */ - { - COLOR_WHITE, - COLOR_AMBAR, - COLOR_CIAN, - COLOR_GREEN, - COLOR_MAGENTA, - COLOR_RED, - COLOR_BLUE, - COLOR_BLACK, - } + { COLOR_WHITE, COLOR_AMBER, COLOR_CYAN, COLOR_GREEN, + COLOR_MAGENTA, COLOR_RED, COLOR_BLUE, COLOR_BLACK, COLOR_BLACK } }, { - { - COLOR_WHITE, - COLOR_AMBAR, - COLOR_BLACK, - COLOR_WHITE, - COLOR_AMBAR, - COLOR_BLACK, - COLOR_WHITE, - COLOR_AMBAR, - } + { COLOR_WHITE, COLOR_AMBER, COLOR_BLACK, COLOR_WHITE, + COLOR_AMBER, COLOR_BLACK, COLOR_WHITE, COLOR_AMBER, COLOR_BLACK } }, { - { - COLOR_WHITE, - COLOR_CIAN, - COLOR_BLACK, - COLOR_WHITE, - COLOR_CIAN, - COLOR_BLACK, - COLOR_WHITE, - COLOR_CIAN, - } + { COLOR_WHITE, COLOR_CYAN, COLOR_BLACK, COLOR_WHITE, + COLOR_CYAN, COLOR_BLACK, COLOR_WHITE, COLOR_CYAN, COLOR_BLACK } }, { - { - COLOR_WHITE, - COLOR_GREEN, - COLOR_BLACK, - COLOR_WHITE, - COLOR_GREEN, - COLOR_BLACK, - COLOR_WHITE, - COLOR_GREEN, - } + { COLOR_WHITE, COLOR_GREEN, COLOR_BLACK, COLOR_WHITE, + COLOR_GREEN, COLOR_BLACK, COLOR_WHITE, COLOR_GREEN, COLOR_BLACK } }, }; @@ -344,21 +258,18 @@ static struct bar_std bars[] = { (((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128) /* precalculate color bar values to speed up rendering */ -static void precalculate_bars(struct vivi_fh *fh) +static void precalculate_bars(struct vivi_dev *dev) { - struct vivi_dev *dev = fh->dev; - unsigned char r, g, b; + u8 r, g, b; int k, is_yuv; - fh->input = dev->input; - - for (k = 0; k < 8; k++) { - r = bars[fh->input].bar[k][0]; - g = bars[fh->input].bar[k][1]; - b = bars[fh->input].bar[k][2]; + for (k = 0; k < 9; k++) { + r = bars[dev->input].bar[k][0]; + g = bars[dev->input].bar[k][1]; + b = bars[dev->input].bar[k][2]; is_yuv = 0; - switch (fh->fmt->fourcc) { + switch (dev->fmt->fourcc) { case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_UYVY: is_yuv = 1; @@ -378,16 +289,15 @@ static void precalculate_bars(struct vivi_fh *fh) } if (is_yuv) { - fh->bars[k][0] = TO_Y(r, g, b); /* Luma */ - fh->bars[k][1] = TO_U(r, g, b); /* Cb */ - fh->bars[k][2] = TO_V(r, g, b); /* Cr */ + dev->bars[k][0] = TO_Y(r, g, b); /* Luma */ + dev->bars[k][1] = TO_U(r, g, b); /* Cb */ + dev->bars[k][2] = TO_V(r, g, b); /* Cr */ } else { - fh->bars[k][0] = r; - fh->bars[k][1] = g; - fh->bars[k][2] = b; + dev->bars[k][0] = r; + dev->bars[k][1] = g; + dev->bars[k][2] = b; } } - } #define TSTAMP_MIN_Y 24 @@ -395,20 +305,20 @@ static void precalculate_bars(struct vivi_fh *fh) #define TSTAMP_INPUT_X 10 #define TSTAMP_MIN_X (54 + TSTAMP_INPUT_X) -static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos) +static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos) { - unsigned char r_y, g_u, b_v; - unsigned char *p; + u8 r_y, g_u, b_v; int color; + u8 *p; - r_y = fh->bars[colorpos][0]; /* R or precalculated Y */ - g_u = fh->bars[colorpos][1]; /* G or precalculated U */ - b_v = fh->bars[colorpos][2]; /* B or precalculated V */ + r_y = dev->bars[colorpos][0]; /* R or precalculated Y */ + g_u = dev->bars[colorpos][1]; /* G or precalculated U */ + b_v = dev->bars[colorpos][2]; /* B or precalculated V */ for (color = 0; color < 4; color++) { p = buf + color; - switch (fh->fmt->fourcc) { + switch (dev->fmt->fourcc) { case V4L2_PIX_FMT_YUYV: switch (color) { case 0: @@ -489,123 +399,88 @@ static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos) } } -static void gen_line(struct vivi_fh *fh, char *basep, int inipos, int wmax, - int hmax, int line, int count, char *timestr) +static void precalculate_line(struct vivi_dev *dev) { - int w, i, j; - int pos = inipos; - char *s; - u8 chr; - - /* We will just duplicate the second pixel at the packet */ - wmax /= 2; + int w; - /* Generate a standard color bar pattern */ - for (w = 0; w < wmax; w++) { - int colorpos = ((w + count) * 8/(wmax + 1)) % 8; + for (w = 0; w < dev->width * 2; w += 2) { + int colorpos = (w / (dev->width / 8) % 8); - gen_twopix(fh, basep + pos, colorpos); - pos += 4; /* only 16 bpp supported for now */ + gen_twopix(dev, dev->line + w * 2, colorpos); } +} - /* Prints input entry number */ - - /* Checks if it is possible to input number */ - if (TSTAMP_MAX_Y >= hmax) - goto end; - - if (TSTAMP_INPUT_X + strlen(timestr) >= wmax) - goto end; - - if (line >= TSTAMP_MIN_Y && line <= TSTAMP_MAX_Y) { - chr = rom8x16_bits[fh->input * 16 + line - TSTAMP_MIN_Y]; - pos = TSTAMP_INPUT_X; - for (i = 0; i < 7; i++) { - /* Draw white font on black background */ - if (chr & 1 << (7 - i)) - gen_twopix(fh, basep + pos, WHITE); - else - gen_twopix(fh, basep + pos, BLACK); - pos += 2; - } - } +static void gen_text(struct vivi_dev *dev, char *basep, + int y, int x, char *text) +{ + int line; - /* Checks if it is possible to show timestamp */ - if (TSTAMP_MIN_X + strlen(timestr) >= wmax) - goto end; + /* Checks if it is possible to show string */ + if (y + 16 >= dev->height || x + strlen(text) * 8 >= dev->width) + return; /* Print stream time */ - if (line >= TSTAMP_MIN_Y && line <= TSTAMP_MAX_Y) { - j = TSTAMP_MIN_X; - for (s = timestr; *s; s++) { - chr = rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y]; - for (i = 0; i < 7; i++) { - pos = inipos + j * 2; + for (line = y; line < y + 16; line++) { + int j = 0; + char *pos = basep + line * dev->width * 2 + x * 2; + char *s; + + 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; - 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; } |