diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 20:37:45 +0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 20:37:45 +0400 |
commit | fb091be08d1acf184e8801dfdcace6e0cb19b1fe (patch) | |
tree | cbd0c4200fd8628d592167589ca790e36fc4ae26 /drivers/media/video/arv.c | |
parent | bd7fc2f2d807fdb254f7efc542f8eec3f23e289e (diff) | |
parent | e8d0416796d43a950ec7b65629e53419b2e22453 (diff) | |
download | linux-fb091be08d1acf184e8801dfdcace6e0cb19b1fe.tar.xz |
Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (534 commits)
V4L/DVB (13554a): v4l: Use the video_drvdata function in drivers
V4L/DVB: vivi and mem2mem_testdev need slab.h to build
V4L/DVB: tm6000: bugfix image position
V4L/DVB: IR/imon: remove dead IMON_KEY_RELEASE_OFFSET
V4L/DVB: tm6000: README - add vbi
V4L/DVB: Fix unlock logic at medusa_video_init
V4L/DVB: fix dvb frontend lockup
V4L/DVB: s2255drv: remove dead code
V4L/DVB: s2255drv: return if vdev not found
V4L/DVB: ov511: cleanup: remove unneeded null check
V4L/DVB: media/mem2mem: dereferencing free memory
V4L/DVB: media/IR: Add missing include file to rc-map.c
V4L/DVB: dvb/stv6110x: cleanup error handling
V4L/DVB: ngene: Add lgdt3303 and mt2131 deps to Kconfig
V4L/DVB: ngene: start separating out DVB functions into separate file
V4L/DVB: ngene: split out card specific code into a separate file
V4L/DVB: ngene: split out i2c code into a separate file
V4L/DVB: ngene: add initial support for digital side of Avermedia m780
V4L/DVB: ngene: properly support boards where channel 0 isn't a TS input
V4L-DVB: ngene: make sure that tuner headers are included
...
Diffstat (limited to 'drivers/media/video/arv.c')
-rw-r--r-- | drivers/media/video/arv.c | 524 |
1 files changed, 244 insertions, 280 deletions
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index a356d6bd3131..31e7a123d19a 100644 --- a/drivers/media/video/arv.c +++ b/drivers/media/video/arv.c @@ -27,8 +27,10 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/sched.h> -#include <linux/videodev.h> +#include <linux/version.h> +#include <linux/videodev2.h> #include <media/v4l2-common.h> +#include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> #include <linux/mutex.h> @@ -39,7 +41,7 @@ #include <asm/byteorder.h> #if 0 -#define DEBUG(n, args...) printk(args) +#define DEBUG(n, args...) printk(KERN_INFO args) #define CHECK_LOST 1 #else #define DEBUG(n, args...) @@ -52,10 +54,10 @@ */ #define USE_INT 0 /* Don't modify */ -#define VERSION "0.03" +#define VERSION "0.04" #define ar_inl(addr) inl((unsigned long)(addr)) -#define ar_outl(val, addr) outl((unsigned long)(val),(unsigned long)(addr)) +#define ar_outl(val, addr) outl((unsigned long)(val), (unsigned long)(addr)) extern struct cpuinfo_m32r boot_cpu_data; @@ -79,7 +81,7 @@ extern struct cpuinfo_m32r boot_cpu_data; /* bits & bytes per pixel */ #define AR_BITS_PER_PIXEL 16 -#define AR_BYTES_PER_PIXEL (AR_BITS_PER_PIXEL/8) +#define AR_BYTES_PER_PIXEL (AR_BITS_PER_PIXEL / 8) /* line buffer size */ #define AR_LINE_BYTES_VGA (AR_WIDTH_VGA * AR_BYTES_PER_PIXEL) @@ -104,8 +106,9 @@ extern struct cpuinfo_m32r boot_cpu_data; #define AR_MODE_INTERLACE 0 #define AR_MODE_NORMAL 1 -struct ar_device { - struct video_device *vdev; +struct ar { + struct v4l2_device v4l2_dev; + struct video_device vdev; unsigned int start_capture; /* duaring capture in INT. mode. */ #if USE_INT unsigned char *line_buff; /* DMA line buffer */ @@ -116,12 +119,13 @@ struct ar_device { int width, height; int frame_bytes, line_bytes; wait_queue_head_t wait; - unsigned long in_use; struct mutex lock; }; +static struct ar ardev; + static int video_nr = -1; /* video device number (first free) */ -static unsigned char yuv[MAX_AR_FRAME_BYTES]; +static unsigned char yuv[MAX_AR_FRAME_BYTES]; /* module parameters */ /* default frequency */ @@ -133,9 +137,7 @@ module_param(freq, int, 0); module_param(vga, int, 0); module_param(vga_interlace, int, 0); -static int ar_initialize(struct video_device *dev); - -static inline void wait_for_vsync(void) +static void wait_for_vsync(void) { while (ar_inl(ARVCR0) & ARVCR0_VDS) /* wait for VSYNC */ cpu_relax(); @@ -143,7 +145,7 @@ static inline void wait_for_vsync(void) cpu_relax(); } -static inline void wait_acknowledge(void) +static void wait_acknowledge(void) { int i; @@ -156,7 +158,7 @@ static inline void wait_acknowledge(void) /******************************************************************* * I2C functions *******************************************************************/ -void iic(int n, unsigned long addr, unsigned long data1, unsigned long data2, +static void iic(int n, unsigned long addr, unsigned long data1, unsigned long data2, unsigned long data3) { int i; @@ -200,7 +202,7 @@ void iic(int n, unsigned long addr, unsigned long data1, unsigned long data2, } -void init_iic(void) +static void init_iic(void) { DEBUG(1, "init_iic:\n"); @@ -214,13 +216,12 @@ void init_iic(void) /* I2C CLK */ /* 50MH-100k */ - if (freq == 75) { + if (freq == 75) ar_outl(369, PLDI2CFREQ); /* BCLK = 75MHz */ - } else if (freq == 50) { + else if (freq == 50) ar_outl(244, PLDI2CFREQ); /* BCLK = 50MHz */ - } else { + else ar_outl(244, PLDI2CFREQ); /* default: BCLK = 50MHz */ - } ar_outl(0x1, PLDI2CCR); /* I2CCR Enable */ } @@ -245,7 +246,7 @@ static inline void clear_dma_status(void) ar_outl(0x8000, M32R_DMAEDET_PORTL); /* clear status */ } -static inline void wait_for_vertical_sync(int exp_line) +static void wait_for_vertical_sync(struct ar *ar, int exp_line) { #if CHECK_LOST int tmout = 10000; /* FIXME */ @@ -260,7 +261,7 @@ static inline void wait_for_vertical_sync(int exp_line) break; } if (tmout < 0) - printk("arv: lost %d -> %d\n", exp_line, l); + v4l2_err(&ar->v4l2_dev, "lost %d -> %d\n", exp_line, l); #else while (ar_inl(ARVHCOUNT) != exp_line) cpu_relax(); @@ -269,15 +270,14 @@ static inline void wait_for_vertical_sync(int exp_line) static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) { - struct video_device *v = video_devdata(file); - struct ar_device *ar = video_get_drvdata(v); + struct ar *ar = video_drvdata(file); long ret = ar->frame_bytes; /* return read bytes */ unsigned long arvcr1 = 0; unsigned long flags; unsigned char *p; int h, w; unsigned char *py, *pu, *pv; -#if ! USE_INT +#if !USE_INT int l; #endif @@ -305,7 +305,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) ar_outl(ar->line_bytes, M32R_DMA0RBCUT_PORTL); /* reload count (bytes) */ /* - * Okey , kicks AR LSI to invoke an interrupt + * Okay, kick AR LSI to invoke an interrupt */ ar->start_capture = 0; ar_outl(arvcr1 | ARVCR1_HIEN, ARVCR1); @@ -313,7 +313,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) /* .... AR interrupts .... */ interruptible_sleep_on(&ar->wait); if (signal_pending(current)) { - printk("arv: interrupted while get frame data.\n"); + printk(KERN_ERR "arv: interrupted while get frame data.\n"); ret = -EINTR; goto out_up; } @@ -334,7 +334,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) cpu_relax(); if (ar->mode == AR_MODE_INTERLACE && ar->size == AR_SIZE_VGA) { for (h = 0; h < ar->height; h++) { - wait_for_vertical_sync(h); + wait_for_vertical_sync(ar, h); if (h < (AR_HEIGHT_VGA/2)) l = h << 1; else @@ -349,7 +349,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) } } else { for (h = 0; h < ar->height; h++) { - wait_for_vertical_sync(h); + wait_for_vertical_sync(ar, h); ar_outl(virt_to_phys(ar->frame[h]), M32R_DMA0CDA_PORTL); enable_dma(); while (!(ar_inl(M32R_DMAEDET_PORTL) & 0x8000)) @@ -386,7 +386,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) } } if (copy_to_user(buf, yuv, ar->frame_bytes)) { - printk("arv: failed while copy_to_user yuv.\n"); + v4l2_err(&ar->v4l2_dev, "failed while copy_to_user yuv.\n"); ret = -EFAULT; goto out_up; } @@ -396,153 +396,127 @@ out_up: return ret; } -static long ar_do_ioctl(struct file *file, unsigned int cmd, void *arg) +static int ar_querycap(struct file *file, void *priv, + struct v4l2_capability *vcap) { - struct video_device *dev = video_devdata(file); - struct ar_device *ar = video_get_drvdata(dev); - - DEBUG(1, "ar_ioctl()\n"); - switch(cmd) { - case VIDIOCGCAP: - { - struct video_capability *b = arg; - DEBUG(1, "VIDIOCGCAP:\n"); - strcpy(b->name, ar->vdev->name); - b->type = VID_TYPE_CAPTURE; - b->channels = 0; - b->audios = 0; - b->maxwidth = MAX_AR_WIDTH; - b->maxheight = MAX_AR_HEIGHT; - b->minwidth = MIN_AR_WIDTH; - b->minheight = MIN_AR_HEIGHT; - return 0; - } - case VIDIOCGCHAN: - DEBUG(1, "VIDIOCGCHAN:\n"); - return 0; - case VIDIOCSCHAN: - DEBUG(1, "VIDIOCSCHAN:\n"); - return 0; - case VIDIOCGTUNER: - DEBUG(1, "VIDIOCGTUNER:\n"); - return 0; - case VIDIOCSTUNER: - DEBUG(1, "VIDIOCSTUNER:\n"); - return 0; - case VIDIOCGPICT: - DEBUG(1, "VIDIOCGPICT:\n"); - return 0; - case VIDIOCSPICT: - DEBUG(1, "VIDIOCSPICT:\n"); - return 0; - case VIDIOCCAPTURE: - DEBUG(1, "VIDIOCCAPTURE:\n"); + struct ar *ar = video_drvdata(file); + + strlcpy(vcap->driver, ar->vdev.name, sizeof(vcap->driver)); + strlcpy(vcap->card, "Colour AR VGA", sizeof(vcap->card)); + strlcpy(vcap->bus_info, "Platform", sizeof(vcap->bus_info)); + vcap->version = KERNEL_VERSION(0, 0, 4); + vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE; + return 0; +} + +static int ar_enum_input(struct file *file, void *fh, struct v4l2_input *vin) +{ + if (vin->index > 0) return -EINVAL; - case VIDIOCGWIN: - { - struct video_window *w = arg; - DEBUG(1, "VIDIOCGWIN:\n"); - memset(w, 0, sizeof(*w)); - w->width = ar->width; - w->height = ar->height; - return 0; + strlcpy(vin->name, "Camera", sizeof(vin->name)); + vin->type = V4L2_INPUT_TYPE_CAMERA; + vin->audioset = 0; + vin->tuner = 0; + vin->std = V4L2_STD_ALL; + vin->status = 0; + return 0; +} + +static int ar_g_input(struct file *file, void *fh, unsigned int *inp) +{ + *inp = 0; + return 0; +} + +static int ar_s_input(struct file *file, void *fh, unsigned int inp) +{ + return inp ? -EINVAL : 0; +} + +static int ar_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) +{ + struct ar *ar = video_drvdata(file); + struct v4l2_pix_format *pix = &fmt->fmt.pix; + + pix->width = ar->width; + pix->height = ar->height; + pix->pixelformat = V4L2_PIX_FMT_YUV422P; + pix->field = (ar->mode == AR_MODE_NORMAL) ? V4L2_FIELD_NONE : V4L2_FIELD_INTERLACED; + pix->bytesperline = ar->width; + pix->sizeimage = 2 * ar->width * ar->height; + /* Just a guess */ + pix->colorspace = V4L2_COLORSPACE_SMPTE170M; + return 0; +} + +static int ar_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) +{ + struct ar *ar = video_drvdata(file); + struct v4l2_pix_format *pix = &fmt->fmt.pix; + + if (pix->height <= AR_HEIGHT_QVGA || pix->width <= AR_WIDTH_QVGA) { + pix->height = AR_HEIGHT_QVGA; + pix->width = AR_WIDTH_QVGA; + pix->field = V4L2_FIELD_INTERLACED; + } else { + pix->height = AR_HEIGHT_VGA; + pix->width = AR_WIDTH_VGA; + pix->field = vga_interlace ? V4L2_FIELD_INTERLACED : V4L2_FIELD_NONE; } - case VIDIOCSWIN: - { - struct video_window *w = arg; - DEBUG(1, "VIDIOCSWIN:\n"); - if ((w->width != AR_WIDTH_VGA || w->height != AR_HEIGHT_VGA) && - (w->width != AR_WIDTH_QVGA || w->height != AR_HEIGHT_QVGA)) - return -EINVAL; - - mutex_lock(&ar->lock); - ar->width = w->width; - ar->height = w->height; - if (ar->width == AR_WIDTH_VGA) { - ar->size = AR_SIZE_VGA; - ar->frame_bytes = AR_FRAME_BYTES_VGA; - ar->line_bytes = AR_LINE_BYTES_VGA; - if (vga_interlace) - ar->mode = AR_MODE_INTERLACE; - else - ar->mode = AR_MODE_NORMAL; - } else { - ar->size = AR_SIZE_QVGA; - ar->frame_bytes = AR_FRAME_BYTES_QVGA; - ar->line_bytes = AR_LINE_BYTES_QVGA; + pix->pixelformat = V4L2_PIX_FMT_YUV422P; + pix->bytesperline = ar->width; + pix->sizeimage = 2 * ar->width * ar->height; + /* Just a guess */ + pix->colorspace = V4L2_COLORSPACE_SMPTE170M; + return 0; +} + +static int ar_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) +{ + struct ar *ar = video_drvdata(file); + struct v4l2_pix_format *pix = &fmt->fmt.pix; + int ret = ar_try_fmt_vid_cap(file, fh, fmt); + + if (ret) + return ret; + mutex_lock(&ar->lock); + ar->width = pix->width; + ar->height = pix->height; + if (ar->width == AR_WIDTH_VGA) { + ar->size = AR_SIZE_VGA; + ar->frame_bytes = AR_FRAME_BYTES_VGA; + ar->line_bytes = AR_LINE_BYTES_VGA; + if (vga_interlace) ar->mode = AR_MODE_INTERLACE; - } - mutex_unlock(&ar->lock); - return 0; - } - case VIDIOCGFBUF: - DEBUG(1, "VIDIOCGFBUF:\n"); - return -EINVAL; - case VIDIOCSFBUF: - DEBUG(1, "VIDIOCSFBUF:\n"); - return -EINVAL; - case VIDIOCKEY: - DEBUG(1, "VIDIOCKEY:\n"); - return 0; - case VIDIOCGFREQ: - DEBUG(1, "VIDIOCGFREQ:\n"); - return -EINVAL; - case VIDIOCSFREQ: - DEBUG(1, "VIDIOCSFREQ:\n"); - return -EINVAL; - case VIDIOCGAUDIO: - DEBUG(1, "VIDIOCGAUDIO:\n"); - return -EINVAL; - case VIDIOCSAUDIO: - DEBUG(1, "VIDIOCSAUDIO:\n"); - return -EINVAL; - case VIDIOCSYNC: - DEBUG(1, "VIDIOCSYNC:\n"); - return -EINVAL; - case VIDIOCMCAPTURE: - DEBUG(1, "VIDIOCMCAPTURE:\n"); - return -EINVAL; - case VIDIOCGMBUF: - DEBUG(1, "VIDIOCGMBUF:\n"); - return -EINVAL; - case VIDIOCGUNIT: - DEBUG(1, "VIDIOCGUNIT:\n"); - return -EINVAL; - case VIDIOCGCAPTURE: - DEBUG(1, "VIDIOCGCAPTURE:\n"); - return -EINVAL; - case VIDIOCSCAPTURE: - DEBUG(1, "VIDIOCSCAPTURE:\n"); - return -EINVAL; - case VIDIOCSPLAYMODE: - DEBUG(1, "VIDIOCSPLAYMODE:\n"); - return -EINVAL; - case VIDIOCSWRITEMODE: - DEBUG(1, "VIDIOCSWRITEMODE:\n"); - return -EINVAL; - case VIDIOCGPLAYINFO: - DEBUG(1, "VIDIOCGPLAYINFO:\n"); - return -EINVAL; - case VIDIOCSMICROCODE: - DEBUG(1, "VIDIOCSMICROCODE:\n"); - return -EINVAL; - case VIDIOCGVBIFMT: - DEBUG(1, "VIDIOCGVBIFMT:\n"); - return -EINVAL; - case VIDIOCSVBIFMT: - DEBUG(1, "VIDIOCSVBIFMT:\n"); - return -EINVAL; - default: - DEBUG(1, "Unknown ioctl(0x%08x)\n", cmd); - return -ENOIOCTLCMD; + else + ar->mode = AR_MODE_NORMAL; + } else { + ar->size = AR_SIZE_QVGA; + ar->frame_bytes = AR_FRAME_BYTES_QVGA; + ar->line_bytes = AR_LINE_BYTES_QVGA; + ar->mode = AR_MODE_INTERLACE; } + /* Ok we figured out what to use from our wide choice */ + mutex_unlock(&ar->lock); return 0; } -static long ar_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) +static int ar_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt) { - return video_usercopy(file, cmd, arg, ar_do_ioctl); + static struct v4l2_fmtdesc formats[] = { + { 0, 0, 0, + "YUV 4:2:2 Planar", V4L2_PIX_FMT_YUV422P, + { 0, 0, 0, 0 } + }, + }; + enum v4l2_buf_type type = fmt->type; + + if (fmt->index > 0) + return -EINVAL; + + *fmt = formats[fmt->index]; + fmt->type = type; + return 0; } #if USE_INT @@ -551,7 +525,7 @@ static long ar_ioctl(struct file *file, unsigned int cmd, */ static void ar_interrupt(int irq, void *dev) { - struct ar_device *ar = dev; + struct ar *ar = dev; unsigned int line_count; unsigned int line_number; unsigned int arvcr1; @@ -559,11 +533,11 @@ static void ar_interrupt(int irq, void *dev) line_count = ar_inl(ARVHCOUNT); /* line number */ if (ar->mode == AR_MODE_INTERLACE && ar->size == AR_SIZE_VGA) { /* operations for interlace mode */ - if ( line_count < (AR_HEIGHT_VGA/2) ) /* even line */ + if (line_count < (AR_HEIGHT_VGA / 2)) /* even line */ line_number = (line_count << 1); else /* odd line */ line_number = - (((line_count - (AR_HEIGHT_VGA/2)) << 1) + 1); + (((line_count - (AR_HEIGHT_VGA / 2)) << 1) + 1); } else { line_number = line_count; } @@ -623,11 +597,10 @@ static void ar_interrupt(int irq, void *dev) * 0 is returned in success. * */ -static int ar_initialize(struct video_device *dev) +static int ar_initialize(struct ar *ar) { - struct ar_device *ar = video_get_drvdata(dev); unsigned long cr = 0; - int i,found=0; + int i, found = 0; DEBUG(1, "ar_initialize:\n"); @@ -666,129 +639,119 @@ static int ar_initialize(struct video_device *dev) if (found == 0) return -ENODEV; - printk("arv: Initializing "); - - iic(2,0x78,0x11,0x01,0x00); /* start */ - iic(3,0x78,0x12,0x00,0x06); - iic(3,0x78,0x12,0x12,0x30); - iic(3,0x78,0x12,0x15,0x58); - iic(3,0x78,0x12,0x17,0x30); - printk("."); - iic(3,0x78,0x12,0x1a,0x97); - iic(3,0x78,0x12,0x1b,0xff); - iic(3,0x78,0x12,0x1c,0xff); - iic(3,0x78,0x12,0x26,0x10); - iic(3,0x78,0x12,0x27,0x00); - printk("."); - iic(2,0x78,0x34,0x02,0x00); - iic(2,0x78,0x7a,0x10,0x00); - iic(2,0x78,0x80,0x39,0x00); - iic(2,0x78,0x81,0xe6,0x00); - iic(2,0x78,0x8d,0x00,0x00); - printk("."); - iic(2,0x78,0x8e,0x0c,0x00); - iic(2,0x78,0x8f,0x00,0x00); + v4l2_info(&ar->v4l2_dev, "Initializing "); + + iic(2, 0x78, 0x11, 0x01, 0x00); /* start */ + iic(3, 0x78, 0x12, 0x00, 0x06); + iic(3, 0x78, 0x12, 0x12, 0x30); + iic(3, 0x78, 0x12, 0x15, 0x58); + iic(3, 0x78, 0x12, 0x17, 0x30); + printk(KERN_CONT "."); + iic(3, 0x78, 0x12, 0x1a, 0x97); + iic(3, 0x78, 0x12, 0x1b, 0xff); + iic(3, 0x78, 0x12, 0x1c, 0xff); + iic(3, 0x78, 0x12, 0x26, 0x10); + iic(3, 0x78, 0x12, 0x27, 0x00); + printk(KERN_CONT "."); + iic(2, 0x78, 0x34, 0x02, 0x00); + iic(2, 0x78, 0x7a, 0x10, 0x00); + iic(2, 0x78, 0x80, 0x39, 0x00); + iic(2, 0x78, 0x81, 0xe6, 0x00); + iic(2, 0x78, 0x8d, 0x00, 0x00); + printk(KERN_CONT "."); + iic(2, 0x78, 0x8e, 0x0c, 0x00); + iic(2, 0x78, 0x8f, 0x00, 0x00); #if 0 - iic(2,0x78,0x90,0x00,0x00); /* AWB on=1 off=0 */ + iic(2, 0x78, 0x90, 0x00, 0x00); /* AWB on=1 off=0 */ #endif - iic(2,0x78,0x93,0x01,0x00); - iic(2,0x78,0x94,0xcd,0x00); - iic(2,0x78,0x95,0x00,0x00); - printk("."); - iic(2,0x78,0x96,0xa0,0x00); - iic(2,0x78,0x97,0x00,0x00); - iic(2,0x78,0x98,0x60,0x00); - iic(2,0x78,0x99,0x01,0x00); - iic(2,0x78,0x9a,0x19,0x00); - printk("."); - iic(2,0x78,0x9b,0x02,0x00); - iic(2,0x78,0x9c,0xe8,0x00); - iic(2,0x78,0x9d,0x02,0x00); - iic(2,0x78,0x9e,0x2e,0x00); - iic(2,0x78,0xb8,0x78,0x00); - iic(2,0x78,0xba,0x05,0x00); + iic(2, 0x78, 0x93, 0x01, 0x00); + iic(2, 0x78, 0x94, 0xcd, 0x00); + iic(2, 0x78, 0x95, 0x00, 0x00); + printk(KERN_CONT "."); + iic(2, 0x78, 0x96, 0xa0, 0x00); + iic(2, 0x78, 0x97, 0x00, 0x00); + iic(2, 0x78, 0x98, 0x60, 0x00); + iic(2, 0x78, 0x99, 0x01, 0x00); + iic(2, 0x78, 0x9a, 0x19, 0x00); + printk(KERN_CONT "."); + iic(2, 0x78, 0x9b, 0x02, 0x00); + iic(2, 0x78, 0x9c, 0xe8, 0x00); + iic(2, 0x78, 0x9d, 0x02, 0x00); + iic(2, 0x78, 0x9e, 0x2e, 0x00); + iic(2, 0x78, 0xb8, 0x78, 0x00); + iic(2, 0x78, 0xba, 0x05, 0x00); #if 0 - iic(2,0x78,0x83,0x8c,0x00); /* brightness */ + iic(2, 0x78, 0x83, 0x8c, 0x00); /* brightness */ #endif - printk("."); + printk(KERN_CONT "."); /* color correction */ - iic(3,0x78,0x49,0x00,0x95); /* a */ - iic(3,0x78,0x49,0x01,0x96); /* b */ - iic(3,0x78,0x49,0x03,0x85); /* c */ - iic(3,0x78,0x49,0x04,0x97); /* d */ - iic(3,0x78,0x49,0x02,0x7e); /* e(Lo) */ - iic(3,0x78,0x49,0x05,0xa4); /* f(Lo) */ - iic(3,0x78,0x49,0x06,0x04); /* e(Hi) */ - iic(3,0x78,0x49,0x07,0x04); /* e(Hi) */ - iic(2,0x78,0x48,0x01,0x00); /* on=1 off=0 */ - - printk("."); - iic(2,0x78,0x11,0x00,0x00); /* end */ - printk(" done\n"); + iic(3, 0x78, 0x49, 0x00, 0x95); /* a */ + iic(3, 0x78, 0x49, 0x01, 0x96); /* b */ + iic(3, 0x78, 0x49, 0x03, 0x85); /* c */ + iic(3, 0x78, 0x49, 0x04, 0x97); /* d */ + iic(3, 0x78, 0x49, 0x02, 0x7e); /* e(Lo) */ + iic(3, 0x78, 0x49, 0x05, 0xa4); /* f(Lo) */ + iic(3, 0x78, 0x49, 0x06, 0x04); /* e(Hi) */ + iic(3, 0x78, 0x49, 0x07, 0x04); /* e(Hi) */ + iic(2, 0x78, 0x48, 0x01, 0x00); /* on=1 off=0 */ + + printk(KERN_CONT "."); + iic(2, 0x78, 0x11, 0x00, 0x00); /* end */ + printk(KERN_CONT " done\n"); return 0; } -void ar_release(struct video_device *vfd) -{ - struct ar_device *ar = video_get_drvdata(vfd); - mutex_lock(&ar->lock); - video_device_release(vfd); -} - /**************************************************************************** * * Video4Linux Module functions * ****************************************************************************/ -static struct ar_device ardev; - -static int ar_exclusive_open(struct file *file) -{ - return test_and_set_bit(0, &ardev.in_use) ? -EBUSY : 0; -} - -static int ar_exclusive_release(struct file *file) -{ - clear_bit(0, &ardev.in_use); - return 0; -} static const struct v4l2_file_operations ar_fops = { .owner = THIS_MODULE, - .open = ar_exclusive_open, - .release = ar_exclusive_release, .read = ar_read, - .ioctl = ar_ioctl, + .ioctl = video_ioctl2, }; -static struct video_device ar_template = { - .name = "Colour AR VGA", - .fops = &ar_fops, - .release = ar_release, +static const struct v4l2_ioctl_ops ar_ioctl_ops = { + .vidioc_querycap = ar_querycap, + .vidioc_g_input = ar_g_input, + .vidioc_s_input = ar_s_input, + .vidioc_enum_input = ar_enum_input, + .vidioc_enum_fmt_vid_cap = ar_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = ar_g_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = ar_s_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = ar_try_fmt_vid_cap, }; #define ALIGN4(x) ((((int)(x)) & 0x3) == 0) static int __init ar_init(void) { - struct ar_device *ar; + struct ar *ar; + struct v4l2_device *v4l2_dev; int ret; int i; - DEBUG(1, "ar_init:\n"); - ret = -EIO; - printk(KERN_INFO "arv: Colour AR VGA driver %s\n", VERSION); - ar = &ardev; - memset(ar, 0, sizeof(struct ar_device)); + v4l2_dev = &ar->v4l2_dev; + strlcpy(v4l2_dev->name, "arv", sizeof(v4l2_dev->name)); + v4l2_info(v4l2_dev, "Colour AR VGA driver %s\n", VERSION); + + ret = v4l2_device_register(NULL, v4l2_dev); + if (ret < 0) { + v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); + return ret; + } + ret = -EIO; #if USE_INT /* allocate a DMA buffer for 1 line. */ ar->line_buff = kmalloc(MAX_AR_LINE_BYTES, GFP_KERNEL | GFP_DMA); - if (ar->line_buff == NULL || ! ALIGN4(ar->line_buff)) { - printk("arv: buffer allocation failed for DMA.\n"); + if (ar->line_buff == NULL || !ALIGN4(ar->line_buff)) { + v4l2_err(v4l2_dev, "buffer allocation failed for DMA.\n"); ret = -ENOMEM; goto out_end; } @@ -796,20 +759,19 @@ static int __init ar_init(void) /* allocate buffers for a frame */ for (i = 0; i < MAX_AR_HEIGHT; i++) { ar->frame[i] = kmalloc(MAX_AR_LINE_BYTES, GFP_KERNEL); - if (ar->frame[i] == NULL || ! ALIGN4(ar->frame[i])) { - printk("arv: buffer allocation failed for frame.\n"); + if (ar->frame[i] == NULL || !ALIGN4(ar->frame[i])) { + v4l2_err(v4l2_dev, "buffer allocation failed for frame.\n"); ret = -ENOMEM; goto out_line_buff; } } - ar->vdev = video_device_alloc(); - if (!ar->vdev) { - printk(KERN_ERR "arv: video_device_alloc() failed\n"); - return -ENOMEM; - } - memcpy(ar->vdev, &ar_template, sizeof(ar_template)); - video_set_drvdata(ar->vdev, ar); + strlcpy(ar->vdev.name, "Colour AR VGA", sizeof(ar->vdev.name)); + ar->vdev.v4l2_dev = v4l2_dev; + ar->vdev.fops = &ar_fops; + ar->vdev.ioctl_ops = &ar_ioctl_ops; + ar->vdev.release = video_device_release_empty; + video_set_drvdata(&ar->vdev, ar); if (vga) { ar->width = AR_WIDTH_VGA; @@ -834,14 +796,14 @@ static int __init ar_init(void) #if USE_INT if (request_irq(M32R_IRQ_INT3, ar_interrupt, 0, "arv", ar)) { - printk("arv: request_irq(%d) failed.\n", M32R_IRQ_INT3); + v4l2_err("request_irq(%d) failed.\n", M32R_IRQ_INT3); ret = -EIO; goto out_irq; } #endif - if (ar_initialize(ar->vdev) != 0) { - printk("arv: M64278 not found.\n"); + if (ar_initialize(ar) != 0) { + v4l2_err(v4l2_dev, "M64278 not found.\n"); ret = -ENODEV; goto out_dev; } @@ -852,15 +814,15 @@ static int __init ar_init(void) * device is named "video[0-64]". * video_register_device() initializes h/w using ar_initialize(). */ - if (video_register_device(ar->vdev, VFL_TYPE_GRABBER, video_nr) != 0) { + if (video_register_device(&ar->vdev, VFL_TYPE_GRABBER, video_nr) != 0) { /* return -1, -ENFILE(full) or others */ - printk("arv: register video (Colour AR) failed.\n"); + v4l2_err(v4l2_dev, "register video (Colour AR) failed.\n"); ret = -ENODEV; goto out_dev; } - printk("%s: Found M64278 VGA (IRQ %d, Freq %dMHz).\n", - video_device_node_name(ar->vdev), M32R_IRQ_INT3, freq); + v4l2_info(v4l2_dev, "%s: Found M64278 VGA (IRQ %d, Freq %dMHz).\n", + video_device_node_name(&ar->vdev), M32R_IRQ_INT3, freq); return 0; @@ -879,6 +841,7 @@ out_line_buff: out_end: #endif + v4l2_device_unregister(&ar->v4l2_dev); return ret; } @@ -886,7 +849,7 @@ out_end: static int __init ar_init_module(void) { freq = (boot_cpu_data.bus_clock / 1000000); - printk("arv: Bus clock %d\n", freq); + printk(KERN_INFO "arv: Bus clock %d\n", freq); if (freq != 50 && freq != 75) freq = DEFAULT_FREQ; return ar_init(); @@ -894,11 +857,11 @@ static int __init ar_init_module(void) static void __exit ar_cleanup_module(void) { - struct ar_device *ar; + struct ar *ar; int i; ar = &ardev; - video_unregister_device(ar->vdev); + video_unregister_device(&ar->vdev); #if USE_INT free_irq(M32R_IRQ_INT3, ar); #endif @@ -907,6 +870,7 @@ static void __exit ar_cleanup_module(void) #if USE_INT kfree(ar->line_buff); #endif + v4l2_device_unregister(&ar->v4l2_dev); } module_init(ar_init_module); |