static void v4l_fbuffer_free(struct file *file);
static void jpg_fbuffer_free(struct file *file);
+/* Set mapping mode */
+static void map_mode_raw(struct zoran_fh *fh)
+{
+ fh->map_mode = ZORAN_MAP_MODE_RAW;
+ fh->buffers.buffer_size = v4l_bufsize;
+ fh->buffers.num_buffers = v4l_nbufs;
+}
+static void map_mode_jpg(struct zoran_fh *fh, int play)
+{
+ fh->map_mode = play ? ZORAN_MAP_MODE_JPG_PLAY : ZORAN_MAP_MODE_JPG_REC;
+ fh->buffers.buffer_size = jpg_bufsize;
+ fh->buffers.num_buffers = jpg_nbufs;
+}
+static inline const char *mode_name(enum zoran_map_mode mode)
+{
+ return mode == ZORAN_MAP_MODE_RAW ? "V4L" : "JPG";
+}
+
/*
* Allocate the V4L grab buffers
*
int i, off;
unsigned char *mem;
- for (i = 0; i < fh->v4l_buffers.num_buffers; i++) {
- if (fh->v4l_buffers.buffer[i].fbuffer)
+ for (i = 0; i < fh->buffers.num_buffers; i++) {
+ if (fh->buffers.buffer[i].v4l.fbuffer)
dprintk(2,
KERN_WARNING
"%s: v4l_fbuffer_alloc() - buffer %d already allocated!?\n",
ZR_DEVNAME(zr), i);
//udelay(20);
- mem = kmalloc(fh->v4l_buffers.buffer_size, GFP_KERNEL);
+ mem = kmalloc(fh->buffers.buffer_size, GFP_KERNEL);
if (!mem) {
dprintk(1,
KERN_ERR
v4l_fbuffer_free(file);
return -ENOBUFS;
}
- fh->v4l_buffers.buffer[i].fbuffer = mem;
- fh->v4l_buffers.buffer[i].fbuffer_phys =
- virt_to_phys(mem);
- fh->v4l_buffers.buffer[i].fbuffer_bus =
- virt_to_bus(mem);
- for (off = 0; off < fh->v4l_buffers.buffer_size;
+ fh->buffers.buffer[i].v4l.fbuffer = mem;
+ fh->buffers.buffer[i].v4l.fbuffer_phys = virt_to_phys(mem);
+ fh->buffers.buffer[i].v4l.fbuffer_bus = virt_to_bus(mem);
+ for (off = 0; off < fh->buffers.buffer_size;
off += PAGE_SIZE)
SetPageReserved(virt_to_page(mem + off));
dprintk(4,
virt_to_bus(mem));
}
- fh->v4l_buffers.allocated = 1;
+ fh->buffers.allocated = 1;
return 0;
}
dprintk(4, KERN_INFO "%s: v4l_fbuffer_free()\n", ZR_DEVNAME(zr));
- for (i = 0; i < fh->v4l_buffers.num_buffers; i++) {
- if (!fh->v4l_buffers.buffer[i].fbuffer)
+ for (i = 0; i < fh->buffers.num_buffers; i++) {
+ if (!fh->buffers.buffer[i].v4l.fbuffer)
continue;
- mem = fh->v4l_buffers.buffer[i].fbuffer;
- for (off = 0; off < fh->v4l_buffers.buffer_size;
+ mem = fh->buffers.buffer[i].v4l.fbuffer;
+ for (off = 0; off < fh->buffers.buffer_size;
off += PAGE_SIZE)
ClearPageReserved(virt_to_page(mem + off));
- kfree((void *) fh->v4l_buffers.buffer[i].fbuffer);
- fh->v4l_buffers.buffer[i].fbuffer = NULL;
+ kfree(fh->buffers.buffer[i].v4l.fbuffer);
+ fh->buffers.buffer[i].v4l.fbuffer = NULL;
}
- fh->v4l_buffers.allocated = 0;
+ fh->buffers.allocated = 0;
}
/*
struct zoran_fh *fh = file->private_data;
struct zoran *zr = fh->zr;
int i, j, off;
- unsigned long mem;
+ u8 *mem;
- for (i = 0; i < fh->jpg_buffers.num_buffers; i++) {
- if (fh->jpg_buffers.buffer[i].frag_tab)
+ for (i = 0; i < fh->buffers.num_buffers; i++) {
+ if (fh->buffers.buffer[i].jpg.frag_tab)
dprintk(2,
KERN_WARNING
"%s: jpg_fbuffer_alloc() - buffer %d already allocated!?\n",
/* Allocate fragment table for this buffer */
- mem = get_zeroed_page(GFP_KERNEL);
+ mem = (void *)get_zeroed_page(GFP_KERNEL);
if (mem == 0) {
dprintk(1,
KERN_ERR
jpg_fbuffer_free(file);
return -ENOBUFS;
}
- fh->jpg_buffers.buffer[i].frag_tab = (__le32 *) mem;
- fh->jpg_buffers.buffer[i].frag_tab_bus =
- virt_to_bus((void *) mem);
-
- //if (alloc_contig) {
- if (fh->jpg_buffers.need_contiguous) {
- mem =
- (unsigned long) kmalloc(fh->jpg_buffers.
- buffer_size,
- GFP_KERNEL);
- if (mem == 0) {
+ fh->buffers.buffer[i].jpg.frag_tab = (__le32 *)mem;
+ fh->buffers.buffer[i].jpg.frag_tab_bus = virt_to_bus(mem);
+
+ if (fh->buffers.need_contiguous) {
+ mem = kmalloc(fh->buffers.buffer_size, GFP_KERNEL);
+ if (mem == NULL) {
dprintk(1,
KERN_ERR
"%s: jpg_fbuffer_alloc() - kmalloc failed for buffer %d\n",
jpg_fbuffer_free(file);
return -ENOBUFS;
}
- fh->jpg_buffers.buffer[i].frag_tab[0] =
- cpu_to_le32(virt_to_bus((void *) mem));
- fh->jpg_buffers.buffer[i].frag_tab[1] =
- cpu_to_le32(((fh->jpg_buffers.buffer_size / 4) << 1) | 1);
- for (off = 0; off < fh->jpg_buffers.buffer_size;
- off += PAGE_SIZE)
+ fh->buffers.buffer[i].jpg.frag_tab[0] =
+ cpu_to_le32(virt_to_bus(mem));
+ fh->buffers.buffer[i].jpg.frag_tab[1] =
+ cpu_to_le32((fh->buffers.buffer_size >> 1) | 1);
+ for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE)
SetPageReserved(virt_to_page(mem + off));
} else {
/* jpg_bufsize is already page aligned */
- for (j = 0;
- j < fh->jpg_buffers.buffer_size / PAGE_SIZE;
- j++) {
- mem = get_zeroed_page(GFP_KERNEL);
- if (mem == 0) {
+ for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) {
+ mem = (void *)get_zeroed_page(GFP_KERNEL);
+ if (mem == NULL) {
dprintk(1,
KERN_ERR
"%s: jpg_fbuffer_alloc() - get_zeroed_page failed for buffer %d\n",
return -ENOBUFS;
}
- fh->jpg_buffers.buffer[i].frag_tab[2 * j] =
- cpu_to_le32(virt_to_bus((void *) mem));
- fh->jpg_buffers.buffer[i].frag_tab[2 * j +
- 1] =
- cpu_to_le32((PAGE_SIZE / 4) << 1);
+ fh->buffers.buffer[i].jpg.frag_tab[2 * j] =
+ cpu_to_le32(virt_to_bus(mem));
+ fh->buffers.buffer[i].jpg.frag_tab[2 * j + 1] =
+ cpu_to_le32((PAGE_SIZE >> 2) << 1);
SetPageReserved(virt_to_page(mem));
}
- fh->jpg_buffers.buffer[i].frag_tab[2 * j - 1] |= cpu_to_le32(1);
+ fh->buffers.buffer[i].jpg.frag_tab[2 * j - 1] |= cpu_to_le32(1);
}
}
dprintk(4,
KERN_DEBUG "%s: jpg_fbuffer_alloc() - %d KB allocated\n",
ZR_DEVNAME(zr),
- (fh->jpg_buffers.num_buffers *
- fh->jpg_buffers.buffer_size) >> 10);
+ (fh->buffers.num_buffers * fh->buffers.buffer_size) >> 10);
- fh->jpg_buffers.allocated = 1;
+ fh->buffers.allocated = 1;
return 0;
}
int i, j, off;
unsigned char *mem;
__le32 frag_tab;
+ struct zoran_buffer *buffer;
dprintk(4, KERN_DEBUG "%s: jpg_fbuffer_free()\n", ZR_DEVNAME(zr));
- for (i = 0; i < fh->jpg_buffers.num_buffers; i++) {
- if (!fh->jpg_buffers.buffer[i].frag_tab)
+ for (i = 0, buffer = &fh->buffers.buffer[0];
+ i < fh->buffers.num_buffers; i++, buffer++) {
+ if (!buffer->jpg.frag_tab)
continue;
- if (fh->jpg_buffers.need_contiguous) {
- frag_tab = fh->jpg_buffers.buffer[i].frag_tab[0];
+ if (fh->buffers.need_contiguous) {
+ frag_tab = buffer->jpg.frag_tab[0];
if (frag_tab) {
- mem = (unsigned char *)bus_to_virt(le32_to_cpu(frag_tab));
- for (off = 0; off < fh->jpg_buffers.buffer_size; off += PAGE_SIZE)
+ mem = bus_to_virt(le32_to_cpu(frag_tab));
+ for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE)
ClearPageReserved(virt_to_page(mem + off));
kfree(mem);
- fh->jpg_buffers.buffer[i].frag_tab[0] = 0;
- fh->jpg_buffers.buffer[i].frag_tab[1] = 0;
+ buffer->jpg.frag_tab[0] = 0;
+ buffer->jpg.frag_tab[1] = 0;
}
} else {
- for (j = 0; j < fh->jpg_buffers.buffer_size / PAGE_SIZE; j++) {
- frag_tab = fh->jpg_buffers.buffer[i].frag_tab[2 * j];
+ for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) {
+ frag_tab = buffer->jpg.frag_tab[2 * j];
if (!frag_tab)
break;
ClearPageReserved(virt_to_page(bus_to_virt(le32_to_cpu(frag_tab))));
free_page((unsigned long)bus_to_virt(le32_to_cpu(frag_tab)));
- fh->jpg_buffers.buffer[i].frag_tab[2 * j] = 0;
- fh->jpg_buffers.buffer[i].frag_tab[2 * j + 1] = 0;
+ buffer->jpg.frag_tab[2 * j] = 0;
+ buffer->jpg.frag_tab[2 * j + 1] = 0;
}
}
- free_page((unsigned long)fh->jpg_buffers.buffer[i].frag_tab);
- fh->jpg_buffers.buffer[i].frag_tab = NULL;
+ free_page((unsigned long)buffer->jpg.frag_tab);
+ buffer->jpg.frag_tab = NULL;
}
- fh->jpg_buffers.allocated = 0;
+ fh->buffers.allocated = 0;
}
/*
*/
static int
-zoran_v4l_set_format (struct file *file,
+zoran_v4l_set_format (struct zoran_fh *fh,
int width,
int height,
const struct zoran_format *format)
{
- struct zoran_fh *fh = file->private_data;
struct zoran *zr = fh->zr;
int bpp;
bpp = (format->depth + 7) / 8;
/* Check against available buffer size */
- if (height * width * bpp > fh->v4l_buffers.buffer_size) {
+ if (height * width * bpp > fh->buffers.buffer_size) {
dprintk(1,
KERN_ERR
"%s: v4l_set_format() - video buffer size (%d kB) is too small\n",
- ZR_DEVNAME(zr), fh->v4l_buffers.buffer_size >> 10);
+ ZR_DEVNAME(zr), fh->buffers.buffer_size >> 10);
return -EINVAL;
}
unsigned long flags;
int res = 0;
- if (!fh->v4l_buffers.allocated) {
+ if (!fh->buffers.allocated) {
dprintk(1,
KERN_ERR
"%s: v4l_queue_frame() - buffers not yet allocated\n",
}
/* No grabbing outside the buffer range! */
- if (num >= fh->v4l_buffers.num_buffers || num < 0) {
+ if (num >= fh->buffers.num_buffers || num < 0) {
dprintk(1,
KERN_ERR
"%s: v4l_queue_frame() - buffer %d is out of range\n",
spin_lock_irqsave(&zr->spinlock, flags);
- if (fh->v4l_buffers.active == ZORAN_FREE) {
+ if (fh->buffers.active == ZORAN_FREE) {
if (zr->v4l_buffers.active == ZORAN_FREE) {
- zr->v4l_buffers = fh->v4l_buffers;
- fh->v4l_buffers.active = ZORAN_ACTIVE;
+ zr->v4l_buffers = fh->buffers;
+ fh->buffers.active = ZORAN_ACTIVE;
} else {
dprintk(1,
KERN_ERR
default:
case BUZ_STATE_PEND:
if (zr->v4l_buffers.active == ZORAN_FREE) {
- fh->v4l_buffers.active = ZORAN_FREE;
+ fh->buffers.active = ZORAN_FREE;
zr->v4l_buffers.allocated = 0;
}
res = -EBUSY; /* what are you doing? */
case BUZ_STATE_USER:
/* since there is at least one unused buffer there's room for at least
* one more pend[] entry */
- zr->v4l_pend[zr->v4l_pend_head++ &
- V4L_MASK_FRAME] = num;
+ zr->v4l_pend[zr->v4l_pend_head++ & V4L_MASK_FRAME] = num;
zr->v4l_buffers.buffer[num].state = BUZ_STATE_PEND;
zr->v4l_buffers.buffer[num].bs.length =
fh->v4l_settings.bytesperline *
zr->v4l_settings.height;
- fh->v4l_buffers.buffer[num] =
- zr->v4l_buffers.buffer[num];
+ fh->buffers.buffer[num] = zr->v4l_buffers.buffer[num];
break;
}
}
spin_unlock_irqrestore(&zr->spinlock, flags);
if (!res && zr->v4l_buffers.active == ZORAN_FREE)
- zr->v4l_buffers.active = fh->v4l_buffers.active;
+ zr->v4l_buffers.active = fh->buffers.active;
return res;
}
struct zoran *zr = fh->zr;
unsigned long flags;
- if (fh->v4l_buffers.active == ZORAN_FREE) {
+ if (fh->buffers.active == ZORAN_FREE) {
dprintk(1,
KERN_ERR
"%s: v4l_sync() - no grab active for this session\n",
}
/* check passed-in frame number */
- if (frame >= fh->v4l_buffers.num_buffers || frame < 0) {
+ if (frame >= fh->buffers.num_buffers || frame < 0) {
dprintk(1,
KERN_ERR "%s: v4l_sync() - frame %d is invalid\n",
ZR_DEVNAME(zr), frame);
/* wait on this buffer to get ready */
if (!wait_event_interruptible_timeout(zr->v4l_capq,
- (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_PEND),
- 10*HZ))
+ (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_PEND), 10*HZ))
return -ETIME;
if (signal_pending(current))
return -ERESTARTSYS;
ZR_DEVNAME(zr));
zr->v4l_buffers.buffer[frame].state = BUZ_STATE_USER;
- fh->v4l_buffers.buffer[frame] = zr->v4l_buffers.buffer[frame];
+ fh->buffers.buffer[frame] = zr->v4l_buffers.buffer[frame];
spin_lock_irqsave(&zr->spinlock, flags);
if (zr->v4l_pend_tail == zr->v4l_pend_head) {
zr36057_set_memgrab(zr, 0);
if (zr->v4l_buffers.active == ZORAN_ACTIVE) {
- fh->v4l_buffers.active = zr->v4l_buffers.active =
- ZORAN_FREE;
+ fh->buffers.active = zr->v4l_buffers.active = ZORAN_FREE;
zr->v4l_buffers.allocated = 0;
}
}
int res = 0;
/* Check if buffers are allocated */
- if (!fh->jpg_buffers.allocated) {
+ if (!fh->buffers.allocated) {
dprintk(1,
KERN_ERR
"%s: jpg_queue_frame() - buffers not yet allocated\n",
}
/* No grabbing outside the buffer range! */
- if (num >= fh->jpg_buffers.num_buffers || num < 0) {
+ if (num >= fh->buffers.num_buffers || num < 0) {
dprintk(1,
KERN_ERR
"%s: jpg_queue_frame() - buffer %d out of range\n",
return -EINVAL;
}
- if (fh->jpg_buffers.active == ZORAN_FREE) {
+ if (fh->buffers.active == ZORAN_FREE) {
if (zr->jpg_buffers.active == ZORAN_FREE) {
- zr->jpg_buffers = fh->jpg_buffers;
- fh->jpg_buffers.active = ZORAN_ACTIVE;
+ zr->jpg_buffers = fh->buffers;
+ fh->buffers.active = ZORAN_ACTIVE;
} else {
dprintk(1,
KERN_ERR
case BUZ_STATE_USER:
/* since there is at least one unused buffer there's room for at
*least one more pend[] entry */
- zr->jpg_pend[zr->jpg_que_head++ & BUZ_MASK_FRAME] =
- num;
+ zr->jpg_pend[zr->jpg_que_head++ & BUZ_MASK_FRAME] = num;
zr->jpg_buffers.buffer[num].state = BUZ_STATE_PEND;
- fh->jpg_buffers.buffer[num] =
- zr->jpg_buffers.buffer[num];
+ fh->buffers.buffer[num] = zr->jpg_buffers.buffer[num];
zoran_feed_stat_com(zr);
break;
default:
case BUZ_STATE_DMA:
case BUZ_STATE_PEND:
if (zr->jpg_buffers.active == ZORAN_FREE) {
- fh->jpg_buffers.active = ZORAN_FREE;
+ fh->buffers.active = ZORAN_FREE;
zr->jpg_buffers.allocated = 0;
}
res = -EBUSY; /* what are you doing? */
spin_unlock_irqrestore(&zr->spinlock, flags);
- if (!res && zr->jpg_buffers.active == ZORAN_FREE) {
- zr->jpg_buffers.active = fh->jpg_buffers.active;
- }
+ if (!res && zr->jpg_buffers.active == ZORAN_FREE)
+ zr->jpg_buffers.active = fh->buffers.active;
return res;
}
/* Does the user want to stop streaming? */
if (frame < 0) {
if (zr->codec_mode == mode) {
- if (fh->jpg_buffers.active == ZORAN_FREE) {
+ if (fh->buffers.active == ZORAN_FREE) {
dprintk(1,
KERN_ERR
"%s: jpg_qbuf(-1) - session not active\n",
ZR_DEVNAME(zr));
return -EINVAL;
}
- fh->jpg_buffers.active = zr->jpg_buffers.active =
- ZORAN_FREE;
+ fh->buffers.active = zr->jpg_buffers.active = ZORAN_FREE;
zr->jpg_buffers.allocated = 0;
zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
return 0;
unsigned long flags;
int frame;
- if (fh->jpg_buffers.active == ZORAN_FREE) {
+ if (fh->buffers.active == ZORAN_FREE) {
dprintk(1,
KERN_ERR
"%s: jpg_sync() - capture is not currently active\n",
*bs = zr->jpg_buffers.buffer[frame].bs;
bs->frame = frame;
zr->jpg_buffers.buffer[frame].state = BUZ_STATE_USER;
- fh->jpg_buffers.buffer[frame] = zr->jpg_buffers.buffer[frame];
+ fh->buffers.buffer[frame] = zr->jpg_buffers.buffer[frame];
spin_unlock_irqrestore(&zr->spinlock, flags);
struct zoran *zr = fh->zr;
/* Per default, map the V4L Buffers */
- fh->map_mode = ZORAN_MAP_MODE_RAW;
+ map_mode_raw(fh);
/* take over the card's current settings */
fh->overlay_settings = zr->overlay_settings;
/* v4l settings */
fh->v4l_settings = zr->v4l_settings;
-
- /* v4l_buffers */
- memset(&fh->v4l_buffers, 0, sizeof(struct zoran_v4l_struct));
- for (i = 0; i < VIDEO_MAX_FRAME; i++) {
- fh->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
- fh->v4l_buffers.buffer[i].bs.frame = i;
- }
- fh->v4l_buffers.allocated = 0;
- fh->v4l_buffers.active = ZORAN_FREE;
- fh->v4l_buffers.buffer_size = v4l_bufsize;
- fh->v4l_buffers.num_buffers = v4l_nbufs;
-
/* jpg settings */
fh->jpg_settings = zr->jpg_settings;
- /* jpg_buffers */
- memset(&fh->jpg_buffers, 0, sizeof(struct zoran_jpg_struct));
- for (i = 0; i < BUZ_MAX_FRAME; i++) {
- fh->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
- fh->jpg_buffers.buffer[i].bs.frame = i;
+ /* buffers */
+ memset(&fh->buffers, 0, sizeof(fh->buffers));
+ for (i = 0; i < MAX_FRAME; i++) {
+ fh->buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
+ fh->buffers.buffer[i].bs.frame = i;
}
- fh->jpg_buffers.need_contiguous = zr->jpg_buffers.need_contiguous;
- fh->jpg_buffers.allocated = 0;
- fh->jpg_buffers.active = ZORAN_FREE;
- fh->jpg_buffers.buffer_size = jpg_bufsize;
- fh->jpg_buffers.num_buffers = jpg_nbufs;
+ fh->buffers.allocated = 0;
+ fh->buffers.active = ZORAN_FREE;
}
static void
zr->overlay_mask = NULL;
}
- /* v4l capture */
- if (fh->v4l_buffers.active != ZORAN_FREE) {
- unsigned long flags;
+ if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
+ /* v4l capture */
+ if (fh->buffers.active != ZORAN_FREE) {
+ unsigned long flags;
- spin_lock_irqsave(&zr->spinlock, flags);
- zr36057_set_memgrab(zr, 0);
- zr->v4l_buffers.allocated = 0;
- zr->v4l_buffers.active = fh->v4l_buffers.active =
- ZORAN_FREE;
- spin_unlock_irqrestore(&zr->spinlock, flags);
- }
+ spin_lock_irqsave(&zr->spinlock, flags);
+ zr36057_set_memgrab(zr, 0);
+ zr->v4l_buffers.allocated = 0;
+ zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
+ spin_unlock_irqrestore(&zr->spinlock, flags);
+ }
- /* v4l buffers */
- if (fh->v4l_buffers.allocated)
- v4l_fbuffer_free(file);
+ /* v4l buffers */
+ if (fh->buffers.allocated)
+ v4l_fbuffer_free(file);
+ } else {
+ /* jpg capture */
+ if (fh->buffers.active != ZORAN_FREE) {
+ zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
+ zr->jpg_buffers.allocated = 0;
+ zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE;
+ }
- /* jpg capture */
- if (fh->jpg_buffers.active != ZORAN_FREE) {
- zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
- zr->jpg_buffers.allocated = 0;
- zr->jpg_buffers.active = fh->jpg_buffers.active =
- ZORAN_FREE;
+ /* jpg buffers */
+ if (fh->buffers.allocated)
+ jpg_fbuffer_free(file);
}
-
- /* jpg buffers */
- if (fh->jpg_buffers.allocated)
- jpg_fbuffer_free(file);
}
/*
int num)
{
struct zoran *zr = fh->zr;
+ unsigned long flags;
buf->flags = V4L2_BUF_FLAG_MAPPED;
switch (fh->map_mode) {
case ZORAN_MAP_MODE_RAW:
-
/* check range */
- if (num < 0 || num >= fh->v4l_buffers.num_buffers ||
- !fh->v4l_buffers.allocated) {
+ if (num < 0 || num >= fh->buffers.num_buffers ||
+ !fh->buffers.allocated) {
dprintk(1,
KERN_ERR
"%s: v4l2_buffer_status() - wrong number or buffers not allocated\n",
return -EINVAL;
}
+ spin_lock_irqsave(&zr->spinlock, flags);
+ dprintk(3,
+ KERN_DEBUG
+ "%s: %s() - raw active=%c, buffer %d: state=%c, map=%c\n",
+ ZR_DEVNAME(zr), __func__,
+ "FAL"[fh->buffers.active], num,
+ "UPMD"[zr->v4l_buffers.buffer[num].state],
+ fh->buffers.buffer[num].map ? 'Y' : 'N');
+ spin_unlock_irqrestore(&zr->spinlock, flags);
+
buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- buf->length = fh->v4l_buffers.buffer_size;
+ buf->length = fh->buffers.buffer_size;
/* get buffer */
- buf->bytesused = fh->v4l_buffers.buffer[num].bs.length;
- if (fh->v4l_buffers.buffer[num].state == BUZ_STATE_DONE ||
- fh->v4l_buffers.buffer[num].state == BUZ_STATE_USER) {
- buf->sequence = fh->v4l_buffers.buffer[num].bs.seq;
+ buf->bytesused = fh->buffers.buffer[num].bs.length;
+ if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
+ fh->buffers.buffer[num].state == BUZ_STATE_USER) {
+ buf->sequence = fh->buffers.buffer[num].bs.seq;
buf->flags |= V4L2_BUF_FLAG_DONE;
- buf->timestamp =
- fh->v4l_buffers.buffer[num].bs.timestamp;
+ buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
} else {
buf->flags |= V4L2_BUF_FLAG_QUEUED;
}
case ZORAN_MAP_MODE_JPG_PLAY:
/* check range */
- if (num < 0 || num >= fh->jpg_buffers.num_buffers ||
- !fh->jpg_buffers.allocated) {
+ if (num < 0 || num >= fh->buffers.num_buffers ||
+ !fh->buffers.allocated) {
dprintk(1,
KERN_ERR
"%s: v4l2_buffer_status() - wrong number or buffers not allocated\n",
buf->type = (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ?
V4L2_BUF_TYPE_VIDEO_CAPTURE :
V4L2_BUF_TYPE_VIDEO_OUTPUT;
- buf->length = fh->jpg_buffers.buffer_size;
+ buf->length = fh->buffers.buffer_size;
/* these variables are only written after frame has been captured */
- if (fh->jpg_buffers.buffer[num].state == BUZ_STATE_DONE ||
- fh->jpg_buffers.buffer[num].state == BUZ_STATE_USER) {
- buf->sequence = fh->jpg_buffers.buffer[num].bs.seq;
- buf->timestamp =
- fh->jpg_buffers.buffer[num].bs.timestamp;
- buf->bytesused =
- fh->jpg_buffers.buffer[num].bs.length;
+ if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
+ fh->buffers.buffer[num].state == BUZ_STATE_USER) {
+ buf->sequence = fh->buffers.buffer[num].bs.seq;
+ buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
+ buf->bytesused = fh->buffers.buffer[num].bs.length;
buf->flags |= V4L2_BUF_FLAG_DONE;
} else {
buf->flags |= V4L2_BUF_FLAG_QUEUED;
/* which fields are these? */
if (fh->jpg_settings.TmpDcm != 1)
- buf->field =
- fh->jpg_settings.
- odd_even ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
+ buf->field = fh->jpg_settings.odd_even ?
+ V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
else
- buf->field =
- fh->jpg_settings.
- odd_even ? V4L2_FIELD_SEQ_TB :
- V4L2_FIELD_SEQ_BT;
+ buf->field = fh->jpg_settings.odd_even ?
+ V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT;
break;
mutex_lock(&zr->resource_lock);
- if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
+ if (fh->buffers.allocated) {
dprintk(1,
KERN_ERR
"%s: BUZIOC_REQBUFS - buffers already allocated\n",
goto jpgreqbuf_unlock_and_return;
}
- fh->jpg_buffers.num_buffers = breq->count;
- fh->jpg_buffers.buffer_size = breq->size;
+ /* The next mmap will map the MJPEG buffers - could
+ * also be *_PLAY, but it doesn't matter here */
+ map_mode_jpg(fh, 0);
+ fh->buffers.num_buffers = breq->count;
+ fh->buffers.buffer_size = breq->size;
if (jpg_fbuffer_alloc(file)) {
res = -ENOMEM;
goto jpgreqbuf_unlock_and_return;
}
- /* The next mmap will map the MJPEG buffers - could
- * also be *_PLAY, but it doesn't matter here */
- fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
jpgreqbuf_unlock_and_return:
mutex_unlock(&zr->resource_lock);
dprintk(3, KERN_DEBUG "%s: BUZIOC_SYNC\n", ZR_DEVNAME(zr));
mutex_lock(&zr->resource_lock);
- res = jpg_sync(file, bsync);
+
+ if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
+ dprintk(2, KERN_WARNING
+ "%s: %s - not in jpg capture mode\n",
+ ZR_DEVNAME(zr), __func__);
+ res = -EINVAL;
+ } else {
+ res = jpg_sync(file, bsync);
+ }
mutex_unlock(&zr->resource_lock);
return res;
struct zoran *zr = fh->zr;
int i, res = 0;
- vmbuf->size =
- fh->v4l_buffers.num_buffers *
- fh->v4l_buffers.buffer_size;
- vmbuf->frames = fh->v4l_buffers.num_buffers;
- for (i = 0; i < vmbuf->frames; i++) {
- vmbuf->offsets[i] =
- i * fh->v4l_buffers.buffer_size;
- }
mutex_lock(&zr->resource_lock);
- if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
+ if (fh->buffers.allocated) {
dprintk(1,
KERN_ERR
"%s: VIDIOCGMBUF - buffers already allocated\n",
goto v4l1reqbuf_unlock_and_return;
}
+ /* The next mmap will map the V4L buffers */
+ map_mode_raw(fh);
+
if (v4l_fbuffer_alloc(file)) {
res = -ENOMEM;
goto v4l1reqbuf_unlock_and_return;
}
- /* The next mmap will map the V4L buffers */
- fh->map_mode = ZORAN_MAP_MODE_RAW;
+ vmbuf->size = fh->buffers.num_buffers * fh->buffers.buffer_size;
+ vmbuf->frames = fh->buffers.num_buffers;
+ for (i = 0; i < vmbuf->frames; i++)
+ vmbuf->offsets[i] = i * fh->buffers.buffer_size;
+
v4l1reqbuf_unlock_and_return:
mutex_unlock(&zr->resource_lock);
mutex_lock(&zr->resource_lock);
- settings = fh->jpg_settings;
-
- if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
+ if (fh->buffers.allocated) {
dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
- ZR_DEVNAME(zr));
+ ZR_DEVNAME(zr));
res = -EBUSY;
goto sfmtjpg_unlock_and_return;
}
+ settings = fh->jpg_settings;
+
/* we actually need to set 'real' parameters now */
if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT)
settings.TmpDcm = 1;
/* it's ok, so set them */
fh->jpg_settings = settings;
+ map_mode_jpg(fh, fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
+
/* tell the user what we actually did */
fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
fmt->fmt.pix.height = settings.img_height * 2 /
else
fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
- fh->jpg_buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
fmt->fmt.pix.bytesperline = 0;
- fmt->fmt.pix.sizeimage = fh->jpg_buffers.buffer_size;
+ fmt->fmt.pix.sizeimage = fh->buffers.buffer_size;
fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- /* we hereby abuse this variable to show that
- * we're gonna do mjpeg capture */
- fh->map_mode = (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ?
- ZORAN_MAP_MODE_JPG_REC : ZORAN_MAP_MODE_JPG_PLAY;
sfmtjpg_unlock_and_return:
mutex_unlock(&zr->resource_lock);
return res;
ZR_DEVNAME(zr), fmt->fmt.pix.pixelformat);
return -EINVAL;
}
+
mutex_lock(&zr->resource_lock);
- if (fh->jpg_buffers.allocated ||
- (fh->v4l_buffers.allocated && fh->v4l_buffers.active != ZORAN_FREE)) {
+
+ if ((fh->map_mode != ZORAN_MAP_MODE_RAW && fh->buffers.allocated) ||
+ fh->buffers.active != ZORAN_FREE) {
dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
ZR_DEVNAME(zr));
res = -EBUSY;
if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
fmt->fmt.pix.width = BUZ_MAX_WIDTH;
- res = zoran_v4l_set_format(file, fmt->fmt.pix.width,
- fmt->fmt.pix.height, &zoran_formats[i]);
+ map_mode_raw(fh);
+
+ res = zoran_v4l_set_format(fh, fmt->fmt.pix.width, fmt->fmt.pix.height,
+ &zoran_formats[i]);
if (res)
goto sfmtv4l_unlock_and_return;
- /* tell the user the
- * results/missing stuff */
+ /* tell the user the results/missing stuff */
fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
fmt->fmt.pix.sizeimage = fh->v4l_settings.height * fh->v4l_settings.bytesperline;
fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
else
fmt->fmt.pix.field = V4L2_FIELD_TOP;
- fh->map_mode = ZORAN_MAP_MODE_RAW;
sfmtv4l_unlock_and_return:
mutex_unlock(&zr->resource_lock);
return res;
return zoran_streamoff(file, fh, req->type);
mutex_lock(&zr->resource_lock);
- if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
+ if (fh->buffers.allocated) {
dprintk(2,
KERN_ERR
"%s: VIDIOC_REQBUFS - buffers already allocated\n",
}
if (fh->map_mode == ZORAN_MAP_MODE_RAW &&
- req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-
+ req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
/* control user input */
if (req->count < 2)
req->count = 2;
if (req->count > v4l_nbufs)
req->count = v4l_nbufs;
- fh->v4l_buffers.num_buffers = req->count;
+
+ /* The next mmap will map the V4L buffers */
+ map_mode_raw(fh);
+ fh->buffers.num_buffers = req->count;
if (v4l_fbuffer_alloc(file)) {
res = -ENOMEM;
goto v4l2reqbuf_unlock_and_return;
}
-
- /* The next mmap will map the V4L buffers */
- fh->map_mode = ZORAN_MAP_MODE_RAW;
-
} else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC ||
- fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
-
+ fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
/* we need to calculate size ourselves now */
if (req->count < 4)
req->count = 4;
if (req->count > jpg_nbufs)
req->count = jpg_nbufs;
- fh->jpg_buffers.num_buffers = req->count;
- fh->jpg_buffers.buffer_size =
- zoran_v4l2_calc_bufsize(&fh->jpg_settings);
+
+ /* The next mmap will map the MJPEG buffers */
+ map_mode_jpg(fh, req->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ fh->buffers.num_buffers = req->count;
+ fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
if (jpg_fbuffer_alloc(file)) {
res = -ENOMEM;
goto v4l2reqbuf_unlock_and_return;
}
-
- /* The next mmap will map the MJPEG buffers */
- if (req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
- fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
- else
- fh->map_mode = ZORAN_MAP_MODE_JPG_PLAY;
-
} else {
dprintk(1,
KERN_ERR
res = zoran_v4l_queue_frame(file, buf->index);
if (res)
goto qbuf_unlock_and_return;
- if (!zr->v4l_memgrab_active &&
- fh->v4l_buffers.active == ZORAN_LOCKED)
+ if (!zr->v4l_memgrab_active && fh->buffers.active == ZORAN_LOCKED)
zr36057_set_memgrab(zr, 1);
break;
if (res != 0)
goto qbuf_unlock_and_return;
if (zr->codec_mode == BUZ_MODE_IDLE &&
- fh->jpg_buffers.active == ZORAN_LOCKED) {
+ fh->buffers.active == ZORAN_LOCKED)
zr36057_enable_jpg(zr, codec_mode);
- }
+
break;
default:
switch (fh->map_mode) {
case ZORAN_MAP_MODE_RAW: /* raw capture */
if (zr->v4l_buffers.active != ZORAN_ACTIVE ||
- fh->v4l_buffers.active != ZORAN_ACTIVE) {
+ fh->buffers.active != ZORAN_ACTIVE) {
res = -EBUSY;
goto strmon_unlock_and_return;
}
- zr->v4l_buffers.active = fh->v4l_buffers.active = ZORAN_LOCKED;
+ zr->v4l_buffers.active = fh->buffers.active = ZORAN_LOCKED;
zr->v4l_settings = fh->v4l_settings;
zr->v4l_sync_tail = zr->v4l_pend_tail;
case ZORAN_MAP_MODE_JPG_PLAY:
/* what is the codec mode right now? */
if (zr->jpg_buffers.active != ZORAN_ACTIVE ||
- fh->jpg_buffers.active != ZORAN_ACTIVE) {
+ fh->buffers.active != ZORAN_ACTIVE) {
res = -EBUSY;
goto strmon_unlock_and_return;
}
- zr->jpg_buffers.active = fh->jpg_buffers.active = ZORAN_LOCKED;
+ zr->jpg_buffers.active = fh->buffers.active = ZORAN_LOCKED;
if (zr->jpg_que_head != zr->jpg_que_tail) {
/* Start the jpeg codec when the first frame is queued */
struct zoran_fh *fh = __fh;
struct zoran *zr = fh->zr;
int i, res = 0;
+ unsigned long flags;
mutex_lock(&zr->resource_lock);
switch (fh->map_mode) {
case ZORAN_MAP_MODE_RAW: /* raw capture */
- if (fh->v4l_buffers.active == ZORAN_FREE &&
+ if (fh->buffers.active == ZORAN_FREE &&
zr->v4l_buffers.active != ZORAN_FREE) {
res = -EPERM; /* stay off other's settings! */
goto strmoff_unlock_and_return;
if (zr->v4l_buffers.active == ZORAN_FREE)
goto strmoff_unlock_and_return;
+ spin_lock_irqsave(&zr->spinlock, flags);
/* unload capture */
if (zr->v4l_memgrab_active) {
- unsigned long flags;
- spin_lock_irqsave(&zr->spinlock, flags);
zr36057_set_memgrab(zr, 0);
- spin_unlock_irqrestore(&zr->spinlock, flags);
}
- for (i = 0; i < fh->v4l_buffers.num_buffers; i++)
+ for (i = 0; i < fh->buffers.num_buffers; i++)
zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;
- fh->v4l_buffers = zr->v4l_buffers;
+ fh->buffers = zr->v4l_buffers;
- zr->v4l_buffers.active = fh->v4l_buffers.active = ZORAN_FREE;
+ zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
zr->v4l_grab_seq = 0;
zr->v4l_pend_head = zr->v4l_pend_tail = 0;
zr->v4l_sync_tail = 0;
+ spin_unlock_irqrestore(&zr->spinlock, flags);
+
break;
case ZORAN_MAP_MODE_JPG_REC:
case ZORAN_MAP_MODE_JPG_PLAY:
- if (fh->jpg_buffers.active == ZORAN_FREE &&
+ if (fh->buffers.active == ZORAN_FREE &&
zr->jpg_buffers.active != ZORAN_FREE) {
res = -EPERM; /* stay off other's settings! */
goto strmoff_unlock_and_return;
mutex_lock(&zr->resource_lock);
- if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
+ if (fh->buffers.allocated) {
dprintk(1, KERN_ERR
"%s: VIDIOC_S_CROP - cannot change settings while active\n",
ZR_DEVNAME(zr));
mutex_lock(&zr->resource_lock);
- if (fh->v4l_buffers.active != ZORAN_FREE ||
- fh->jpg_buffers.active != ZORAN_FREE) {
+ if (fh->buffers.active != ZORAN_FREE) {
dprintk(1, KERN_WARNING
"%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n",
ZR_DEVNAME(zr));
res = zoran_check_jpg_settings(zr, &settings, 0);
if (res)
goto sjpegc_unlock_and_return;
- if (!fh->jpg_buffers.allocated)
- fh->jpg_buffers.buffer_size =
- zoran_v4l2_calc_bufsize(&fh->jpg_settings);
+ if (!fh->buffers.allocated)
+ fh->buffers.buffer_size =
+ zoran_v4l2_calc_bufsize(&fh->jpg_settings);
fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
sjpegc_unlock_and_return:
mutex_unlock(&zr->resource_lock);
KERN_DEBUG
"%s: %s() raw - active=%c, sync_tail=%lu/%c, pend_tail=%lu, pend_head=%lu\n",
ZR_DEVNAME(zr), __func__,
- "FAL"[fh->v4l_buffers.active], zr->v4l_sync_tail,
+ "FAL"[fh->buffers.active], zr->v4l_sync_tail,
"UPMD"[zr->v4l_buffers.buffer[frame].state],
zr->v4l_pend_tail, zr->v4l_pend_head);
/* Process is the one capturing? */
- if (fh->v4l_buffers.active != ZORAN_FREE &&
+ if (fh->buffers.active != ZORAN_FREE &&
/* Buffer ready to DQBUF? */
zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE)
res = POLLIN | POLLRDNORM;
KERN_DEBUG
"%s: %s() jpg - active=%c, que_tail=%lu/%c, que_head=%lu, dma=%lu/%lu\n",
ZR_DEVNAME(zr), __func__,
- "FAL"[fh->jpg_buffers.active], zr->jpg_que_tail,
+ "FAL"[fh->buffers.active], zr->jpg_que_tail,
"UPMD"[zr->jpg_buffers.buffer[frame].state],
zr->jpg_que_head, zr->jpg_dma_tail, zr->jpg_dma_head);
- if (fh->jpg_buffers.active != ZORAN_FREE &&
+ if (fh->buffers.active != ZORAN_FREE &&
zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) {
if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC)
res = POLLIN | POLLRDNORM;
struct zoran *zr = fh->zr;
int i;
- map->count--;
- if (map->count == 0) {
- switch (fh->map_mode) {
- case ZORAN_MAP_MODE_JPG_REC:
- case ZORAN_MAP_MODE_JPG_PLAY:
-
- dprintk(3, KERN_INFO "%s: munmap(MJPEG)\n",
- ZR_DEVNAME(zr));
-
- for (i = 0; i < fh->jpg_buffers.num_buffers; i++) {
- if (fh->jpg_buffers.buffer[i].map == map) {
- fh->jpg_buffers.buffer[i].map =
- NULL;
- }
- }
- kfree(map);
-
- for (i = 0; i < fh->jpg_buffers.num_buffers; i++)
- if (fh->jpg_buffers.buffer[i].map)
- break;
- if (i == fh->jpg_buffers.num_buffers) {
- mutex_lock(&zr->resource_lock);
-
- if (fh->jpg_buffers.active != ZORAN_FREE) {
- jpg_qbuf(file, -1, zr->codec_mode);
- zr->jpg_buffers.allocated = 0;
- zr->jpg_buffers.active =
- fh->jpg_buffers.active =
- ZORAN_FREE;
- }
- jpg_fbuffer_free(file);
- mutex_unlock(&zr->resource_lock);
- }
+ if (--map->count > 0)
+ return;
- break;
+ dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr),
+ __func__, mode_name(fh->map_mode));
- case ZORAN_MAP_MODE_RAW:
+ for (i = 0; i < fh->buffers.num_buffers; i++) {
+ if (fh->buffers.buffer[i].map == map)
+ fh->buffers.buffer[i].map = NULL;
+ }
+ kfree(map);
- dprintk(3, KERN_INFO "%s: munmap(V4L)\n",
- ZR_DEVNAME(zr));
+ /* Any buffers still mapped? */
+ for (i = 0; i < fh->buffers.num_buffers; i++)
+ if (fh->buffers.buffer[i].map)
+ return;
- for (i = 0; i < fh->v4l_buffers.num_buffers; i++) {
- if (fh->v4l_buffers.buffer[i].map == map) {
- /* unqueue/unmap */
- fh->v4l_buffers.buffer[i].map =
- NULL;
- }
- }
- kfree(map);
+ dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr),
+ __func__, mode_name(fh->map_mode));
- for (i = 0; i < fh->v4l_buffers.num_buffers; i++)
- if (fh->v4l_buffers.buffer[i].map)
- break;
- if (i == fh->v4l_buffers.num_buffers) {
- mutex_lock(&zr->resource_lock);
-
- if (fh->v4l_buffers.active != ZORAN_FREE) {
- unsigned long flags;
-
- spin_lock_irqsave(&zr->spinlock, flags);
- zr36057_set_memgrab(zr, 0);
- zr->v4l_buffers.allocated = 0;
- zr->v4l_buffers.active =
- fh->v4l_buffers.active =
- ZORAN_FREE;
- spin_unlock_irqrestore(&zr->spinlock, flags);
- }
- v4l_fbuffer_free(file);
- mutex_unlock(&zr->resource_lock);
- }
-
- break;
+ mutex_lock(&zr->resource_lock);
- default:
- printk(KERN_ERR
- "%s: munmap() - internal error - unknown map mode %d\n",
- ZR_DEVNAME(zr), fh->map_mode);
- break;
+ if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
+ if (fh->buffers.active != ZORAN_FREE) {
+ unsigned long flags;
+ spin_lock_irqsave(&zr->spinlock, flags);
+ zr36057_set_memgrab(zr, 0);
+ zr->v4l_buffers.allocated = 0;
+ zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
+ spin_unlock_irqrestore(&zr->spinlock, flags);
+ }
+ v4l_fbuffer_free(file);
+ } else {
+ if (fh->buffers.active != ZORAN_FREE) {
+ jpg_qbuf(file, -1, zr->codec_mode);
+ zr->jpg_buffers.allocated = 0;
+ zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE;
}
+ jpg_fbuffer_free(file);
}
+
+ mutex_unlock(&zr->resource_lock);
}
static struct vm_operations_struct zoran_vm_ops = {
dprintk(3,
KERN_INFO "%s: mmap(%s) of 0x%08lx-0x%08lx (size=%lu)\n",
ZR_DEVNAME(zr),
- fh->map_mode == ZORAN_MAP_MODE_RAW ? "V4L" : "MJPEG",
- vma->vm_start, vma->vm_end, size);
+ mode_name(fh->map_mode), vma->vm_start, vma->vm_end, size);
if (!(vma->vm_flags & VM_SHARED) || !(vma->vm_flags & VM_READ) ||
!(vma->vm_flags & VM_WRITE)) {
return -EINVAL;
}
- switch (fh->map_mode) {
+ mutex_lock(&zr->resource_lock);
- case ZORAN_MAP_MODE_JPG_REC:
- case ZORAN_MAP_MODE_JPG_PLAY:
+ if (!fh->buffers.allocated) {
+ dprintk(1,
+ KERN_ERR
+ "%s: zoran_mmap(%s) - buffers not yet allocated\n",
+ ZR_DEVNAME(zr), mode_name(fh->map_mode));
+ res = -ENOMEM;
+ goto mmap_unlock_and_return;
+ }
- /* lock */
- mutex_lock(&zr->resource_lock);
+ first = offset / fh->buffers.buffer_size;
+ last = first - 1 + size / fh->buffers.buffer_size;
+ if (offset % fh->buffers.buffer_size != 0 ||
+ size % fh->buffers.buffer_size != 0 || first < 0 ||
+ last < 0 || first >= fh->buffers.num_buffers ||
+ last >= fh->buffers.buffer_size) {
+ dprintk(1,
+ KERN_ERR
+ "%s: mmap(%s) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n",
+ ZR_DEVNAME(zr), mode_name(fh->map_mode), offset, size,
+ fh->buffers.buffer_size,
+ fh->buffers.num_buffers);
+ res = -EINVAL;
+ goto mmap_unlock_and_return;
+ }
- /* Map the MJPEG buffers */
- if (!fh->jpg_buffers.allocated) {
+ /* Check if any buffers are already mapped */
+ for (i = first; i <= last; i++) {
+ if (fh->buffers.buffer[i].map) {
dprintk(1,
KERN_ERR
- "%s: zoran_mmap(MJPEG) - buffers not yet allocated\n",
- ZR_DEVNAME(zr));
- res = -ENOMEM;
- goto jpg_mmap_unlock_and_return;
+ "%s: mmap(%s) - buffer %d already mapped\n",
+ ZR_DEVNAME(zr), mode_name(fh->map_mode), i);
+ res = -EBUSY;
+ goto mmap_unlock_and_return;
}
+ }
- first = offset / fh->jpg_buffers.buffer_size;
- last = first - 1 + size / fh->jpg_buffers.buffer_size;
- if (offset % fh->jpg_buffers.buffer_size != 0 ||
- size % fh->jpg_buffers.buffer_size != 0 || first < 0 ||
- last < 0 || first >= fh->jpg_buffers.num_buffers ||
- last >= fh->jpg_buffers.num_buffers) {
- dprintk(1,
- KERN_ERR
- "%s: mmap(MJPEG) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n",
- ZR_DEVNAME(zr), offset, size,
- fh->jpg_buffers.buffer_size,
- fh->jpg_buffers.num_buffers);
- res = -EINVAL;
- goto jpg_mmap_unlock_and_return;
- }
+ /* map these buffers */
+ map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL);
+ if (!map) {
+ res = -ENOMEM;
+ goto mmap_unlock_and_return;
+ }
+ map->file = file;
+ map->count = 1;
+
+ vma->vm_ops = &zoran_vm_ops;
+ vma->vm_flags |= VM_DONTEXPAND;
+ vma->vm_private_data = map;
+
+ if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
for (i = first; i <= last; i++) {
- if (fh->jpg_buffers.buffer[i].map) {
+ todo = size;
+ if (todo > fh->buffers.buffer_size)
+ todo = fh->buffers.buffer_size;
+ page = fh->buffers.buffer[i].v4l.fbuffer_phys;
+ if (remap_pfn_range(vma, start, page >> PAGE_SHIFT,
+ todo, PAGE_SHARED)) {
dprintk(1,
KERN_ERR
- "%s: mmap(MJPEG) - buffer %d already mapped\n",
- ZR_DEVNAME(zr), i);
- res = -EBUSY;
- goto jpg_mmap_unlock_and_return;
+ "%s: zoran_mmap(V4L) - remap_pfn_range failed\n",
+ ZR_DEVNAME(zr));
+ res = -EAGAIN;
+ goto mmap_unlock_and_return;
}
+ size -= todo;
+ start += todo;
+ fh->buffers.buffer[i].map = map;
+ if (size == 0)
+ break;
}
-
- /* map these buffers (v4l_buffers[i]) */
- map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL);
- if (!map) {
- res = -ENOMEM;
- goto jpg_mmap_unlock_and_return;
- }
- map->file = file;
- map->count = 1;
-
- vma->vm_ops = &zoran_vm_ops;
- vma->vm_flags |= VM_DONTEXPAND;
- vma->vm_private_data = map;
-
+ } else {
for (i = first; i <= last; i++) {
for (j = 0;
- j < fh->jpg_buffers.buffer_size / PAGE_SIZE;
+ j < fh->buffers.buffer_size / PAGE_SIZE;
j++) {
fraglen =
- (le32_to_cpu(fh->jpg_buffers.buffer[i].
+ (le32_to_cpu(fh->buffers.buffer[i].jpg.
frag_tab[2 * j + 1]) & ~1) << 1;
todo = size;
if (todo > fraglen)
todo = fraglen;
pos =
- le32_to_cpu(fh->jpg_buffers.
- buffer[i].frag_tab[2 * j]);
+ le32_to_cpu(fh->buffers.
+ buffer[i].jpg.frag_tab[2 * j]);
/* should just be pos on i386 */
page = virt_to_phys(bus_to_virt(pos))
>> PAGE_SHIFT;
"%s: zoran_mmap(V4L) - remap_pfn_range failed\n",
ZR_DEVNAME(zr));
res = -EAGAIN;
- goto jpg_mmap_unlock_and_return;
+ goto mmap_unlock_and_return;
}
size -= todo;
start += todo;
if (size == 0)
break;
- if (le32_to_cpu(fh->jpg_buffers.buffer[i].
+ if (le32_to_cpu(fh->buffers.buffer[i].jpg.
frag_tab[2 * j + 1]) & 1)
break; /* was last fragment */
}
- fh->jpg_buffers.buffer[i].map = map;
+ fh->buffers.buffer[i].map = map;
if (size == 0)
break;
}
- jpg_mmap_unlock_and_return:
- mutex_unlock(&zr->resource_lock);
-
- break;
-
- case ZORAN_MAP_MODE_RAW:
-
- mutex_lock(&zr->resource_lock);
-
- /* Map the V4L buffers */
- if (!fh->v4l_buffers.allocated) {
- dprintk(1,
- KERN_ERR
- "%s: zoran_mmap(V4L) - buffers not yet allocated\n",
- ZR_DEVNAME(zr));
- res = -ENOMEM;
- goto v4l_mmap_unlock_and_return;
- }
-
- first = offset / fh->v4l_buffers.buffer_size;
- last = first - 1 + size / fh->v4l_buffers.buffer_size;
- if (offset % fh->v4l_buffers.buffer_size != 0 ||
- size % fh->v4l_buffers.buffer_size != 0 || first < 0 ||
- last < 0 || first >= fh->v4l_buffers.num_buffers ||
- last >= fh->v4l_buffers.buffer_size) {
- dprintk(1,
- KERN_ERR
- "%s: mmap(V4L) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n",
- ZR_DEVNAME(zr), offset, size,
- fh->v4l_buffers.buffer_size,
- fh->v4l_buffers.num_buffers);
- res = -EINVAL;
- goto v4l_mmap_unlock_and_return;
- }
- for (i = first; i <= last; i++) {
- if (fh->v4l_buffers.buffer[i].map) {
- dprintk(1,
- KERN_ERR
- "%s: mmap(V4L) - buffer %d already mapped\n",
- ZR_DEVNAME(zr), i);
- res = -EBUSY;
- goto v4l_mmap_unlock_and_return;
- }
- }
-
- /* map these buffers (v4l_buffers[i]) */
- map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL);
- if (!map) {
- res = -ENOMEM;
- goto v4l_mmap_unlock_and_return;
- }
- map->file = file;
- map->count = 1;
-
- vma->vm_ops = &zoran_vm_ops;
- vma->vm_flags |= VM_DONTEXPAND;
- vma->vm_private_data = map;
-
- for (i = first; i <= last; i++) {
- todo = size;
- if (todo > fh->v4l_buffers.buffer_size)
- todo = fh->v4l_buffers.buffer_size;
- page = fh->v4l_buffers.buffer[i].fbuffer_phys;
- if (remap_pfn_range(vma, start, page >> PAGE_SHIFT,
- todo, PAGE_SHARED)) {
- dprintk(1,
- KERN_ERR
- "%s: zoran_mmap(V4L)i - remap_pfn_range failed\n",
- ZR_DEVNAME(zr));
- res = -EAGAIN;
- goto v4l_mmap_unlock_and_return;
- }
- size -= todo;
- start += todo;
- fh->v4l_buffers.buffer[i].map = map;
- if (size == 0)
- break;
- }
- v4l_mmap_unlock_and_return:
- mutex_unlock(&zr->resource_lock);
-
- break;
-
- default:
- dprintk(1,
- KERN_ERR
- "%s: zoran_mmap() - internal error - unknown map mode %d\n",
- ZR_DEVNAME(zr), fh->map_mode);
- break;
}
+mmap_unlock_and_return:
+ mutex_unlock(&zr->resource_lock);
+
return 0;
}
projects / linux-2.6-omap-h63xx.git / commitdiff