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Diffstat (limited to 'linux/drivers/media/dvb/av7110/saa7146_v4l.c')
-rw-r--r--linux/drivers/media/dvb/av7110/saa7146_v4l.c501
1 files changed, 0 insertions, 501 deletions
diff --git a/linux/drivers/media/dvb/av7110/saa7146_v4l.c b/linux/drivers/media/dvb/av7110/saa7146_v4l.c
deleted file mode 100644
index 9a159f83a..000000000
--- a/linux/drivers/media/dvb/av7110/saa7146_v4l.c
+++ /dev/null
@@ -1,501 +0,0 @@
-/*
- video4linux-parts of the saa7146 device driver
-
- Copyright (C) 1998,1999 Michael Hunold <michael@mihu.de>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h> /* for module-version */
-#include <linux/string.h>
-#include <linux/slab.h> /* for kmalloc/kfree */
-#include <linux/delay.h> /* for delay-stuff */
-#include <asm/uaccess.h> /* for copy_to/from_user */
-#include <linux/wrapper.h> /* for mem_map_reserve */
-#include <linux/vmalloc.h>
-#include <linux/videodev.h>
-
-#include "saa7146_defs.h"
-#include "saa7146_core.h"
-#include "saa7146_v4l.h"
-
-
-static int saa7146_v4l_debug = 0;
-
-#define dprintk if (saa7146_v4l_debug) printk
-#define hprintk if (saa7146_v4l_debug >= 2) printk
-#define gprintk if (saa7146_v4l_debug >= 3) printk
-
-#define __COMPILE_SAA7146__
-#include "saa7146.c"
-
-/* transform video4linux-cliplist to plain arrays -- we assume that the arrays
- are big enough -- if not: your fault! */
-int saa7146_v4lclip2plain(struct video_clip *clips, u16 clipcount, int x[], int y[], int width[], int height[])
-{
- int i = 0;
- struct video_clip* vc = NULL;
-
- dprintk("saa7146_v4l.o: ==> saa7146_v4lclip2plain, cc:%d\n",clipcount);
-
- /* anything to do here? */
- if( 0 == clipcount )
- return 0;
-
- /* copy to kernel-space */
- vc = vmalloc(sizeof(struct video_clip)*(clipcount));
- if( NULL == vc ) {
- printk("saa7146_v4l.o: ==> v4lclip2saa7146_v4l.o: no memory #2!\n");
- return -ENOMEM;
- }
- if(copy_from_user(vc,clips,sizeof(struct video_clip)*clipcount)) {
- printk("saa7146_v4l.o: ==> v4lclip2saa7146_v4l.o: could not copy from user-space!\n");
- return -EFAULT;
- }
-
- /* copy the clip-list to the arrays
- note: the video_clip-struct may contain negative values to indicate that a window
- doesn't lay completly over the video window. Thus, we correct the values right here */
- for(i = 0; i < clipcount; i++) {
-
- if( vc[i].width < 0) {
- vc[i].x += vc[i].width; vc[i].width = -vc[i].width;
- }
- if( vc[i].height < 0) {
- vc[i].y += vc[i].height; vc[i].height = -vc[i].height;
- }
-
- if( vc[i].x < 0) {
- vc[i].width += vc[i].x; vc[i].x = 0;
- }
- if( vc[i].y < 0) {
- vc[i].height += vc[i].y; vc[i].y = 0;
- }
-
- if(vc[i].width <= 0 || vc[i].height <= 0) {
- vfree(vc);
- return -EINVAL;
- }
-
- x[i] = vc[i].x;
- y[i] = vc[i].y;
- width[i] = vc[i].width;
- height[i] = vc[i].height;
- }
-
- /* free memory used for temporary clips */
- vfree(vc);
-
- return 0;
-}
-
-struct saa7146_v4l_struct {
- struct video_buffer buffer;
- struct video_mbuf mbuf;
- struct video_window window;
- struct video_picture picture;
-};
-
-static int saa7146_v4l_command(struct saa7146* saa, void *p, unsigned int cmd, void *arg)
-{
- struct saa7146_v4l_struct* data = (struct saa7146_v4l_struct*)p;
-
- hprintk("saa7146_v4l.o: ==> saa7146_v4l_command\n");
-
- if( NULL == saa)
- return -EINVAL;
-
- switch(cmd) {
- case SAA7146_V4L_GPICT:
- {
- struct video_picture *p = arg;
-
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_GPICT\n");
-
- memcpy(p, &data->picture, sizeof(struct video_picture));
-
- }
- break;
-
- case SAA7146_V4L_SPICT:
- {
- struct video_picture *p = arg;
-
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_SPICT\n");
-
- memcpy(&data->picture, p, sizeof(struct video_picture));
- set_picture_prop(saa, (u32)(data->picture.brightness>>8),(u32)(data->picture.contrast>>9),(u32)(data->picture.colour>>9));
-
- }
- break;
-
- case SAA7146_V4L_SWIN:
- {
- struct video_window *vw = arg;
- int *x = NULL, *y = NULL, *w = NULL, *h = NULL;
-
- u32 palette = 0;
-
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_SWIN\n");
-
- video_setmode(saa, 0);
- saa7146_write(saa->mem, MC1, (MASK_21));
-
- set_window(saa, vw->width, vw->height,0,0,0);
- //saa->port, saa->sync);
- if (move_to(saa, vw->x, vw->y, vw->height, data->buffer.width,
- data->buffer.depth, data->buffer.bytesperline,
- (u32)data->buffer.base, 0)<0)
- return -1;
-
- switch( data->picture.palette ) {
-
- case VIDEO_PALETTE_RGB555:
- palette = RGB15_COMPOSED;
- break;
-
- case VIDEO_PALETTE_RGB24:
- palette = RGB24_COMPOSED;
- break;
-
- case VIDEO_PALETTE_RGB32:
- palette = RGB32_COMPOSED;
- break;
-
- case VIDEO_PALETTE_UYVY:
- palette = YUV422_COMPOSED;
- break;
-
- case VIDEO_PALETTE_YUV422P:
- palette = YUV422_DECOMPOSED;
- break;
-
- case VIDEO_PALETTE_YUV420P:
- palette = YUV420_DECOMPOSED;
- break;
-
- case VIDEO_PALETTE_YUV411P:
- palette = YUV411_DECOMPOSED;
- break;
-
- default:
- /*case VIDEO_PALETTE_RGB565:*/
- palette = RGB16_COMPOSED;
- break;
- }
-
- set_output_format(saa, palette);
-
- if (vw->flags==VIDEO_CLIP_BITMAP) {
- clip_windows(saa, SAA7146_CLIPPING_MASK, vw->width, vw->height,
- (u32 *) vw->clips, 1, 0, 0, 0, 0);
- } else {
-
-
- /* this is tricky, but helps us saving kmalloc/kfree-calls
- and boring if/else-constructs ... */
- x = (int*)kmalloc(sizeof(int)*vw->clipcount*4,GFP_KERNEL);
- if( NULL == x ) {
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_SWIN: out of kernel-memory.\n");
- return -ENOMEM;
- }
- y = x+(1*vw->clipcount);
- w = x+(2*vw->clipcount);
- h = x+(3*vw->clipcount);
-
- /* transform clipping-windows */
- if (0 != saa7146_v4lclip2plain(vw->clips, vw->clipcount,x,y,w,h))
- break;
- clip_windows(saa, SAA7146_CLIPPING_RECT, vw->width, vw->height,
- NULL, vw->clipcount, x, y, w, h);
- kfree(x);
-
- memcpy(&data->window, arg, sizeof(struct video_window));
- }
- video_setmode(saa, 1);
- break;
- }
-
- case SAA7146_V4L_CCAPTURE:
- {
- int* i = arg;
-
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_CCAPTURE\n");
-
- if ( 0 == *i ) {
- video_setmode(saa, 0);
- }
- else {
- video_setmode(saa, 1);
- }
-
- break;
- }
-
- case SAA7146_V4L_GFBUF:
- {
- struct video_buffer *b = arg;
-
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_GFBUF\n");
-
- memcpy(b, &data->buffer, sizeof(struct video_buffer));
-
- break;
- }
-
- case SAA7146_V4L_SFBUF:
- {
- struct video_buffer *b = arg;
-
- memcpy(&data->buffer, b, sizeof(struct video_buffer));
- hprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_SFBUF: b:0x%08x, h:%d, w:%d, d:%d\n", (u32)data->buffer.base, data->buffer.height, data->buffer.width, data->buffer.depth);
-
- break;
- }
-
-
- case SAA7146_V4L_CSYNC:
- {
- int i = *((int*)arg);
-
- int count = 0, k = 0;
- unsigned char* grabbfr;
- unsigned char y, uv;
-
- /* sanity checks */
- if ( i >= saa->buffers || i < 0) {
- gprintk("saa7146_v4l.o: SAA7146_V4L_CSYNC, invalid buffer %d\n",i);
- return -EINVAL;
- }
-
- /* get the state */
- switch ( saa->frame_stat[i] ) {
- case GBUFFER_UNUSED:
- {
- /* there was no grab to this buffer */
- gprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_CSYNC, invalid frame (fr:%d)\n",i);
- return -EINVAL;
- }
- case GBUFFER_GRABBING:
- {
- /* wait to be woken up by the irq-handler */
- interruptible_sleep_on(&saa->rps0_wq);
- break;
- }
- case GBUFFER_DONE:
- {
- gprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_CSYNC, frame done! (fr:%d)\n",i);
- break;
- }
- }
-
- /* all saa7146´s below chip-revision 3 are not capable of
- doing byte-swaps with video-dma1. for rgb-grabbing this
- does not matter, but yuv422-grabbing has the wrong
- byte-order, so we have to swap in software */
- if ( ( saa->revision<3) &&
- (saa->grab_format[i] == YUV422_COMPOSED)) {
- /* swap UYVY to YUYV */
- count = saa->grab_height[i]*saa->grab_width[i]*2;
- grabbfr = ((unsigned char*)(saa->grabbing))+i*GRABBING_MEM_SIZE;
- for (k=0; k<count; k=k+2) {
- y = grabbfr[k+1];
- uv = grabbfr[k];
- grabbfr[k] = y;
- grabbfr[k+1] = uv;
- }
- }
-
- /* set corresponding buffer to ´unused´ */
- saa->frame_stat[i] = GBUFFER_UNUSED;
-
- break;
- }
- case SAA7146_V4L_CMCAPTURE:
- {
- struct video_mmap *vm = arg;
-
- gprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_CMCAPTURE, trying buffer:%d\n", vm->frame);
-
- /* check status for wanted frame */
- if ( GBUFFER_GRABBING == saa->frame_stat[vm->frame] ) {
- gprintk("saa7146_v4l.o: frame #%d still grabbing!\n",vm->frame);
- return -EBUSY;
- }
-
- /* do necessary transformations from the videodev-structure to our own format. */
-
- /* sanity checks */
- if ( vm->width <= 0 || vm->height <= 0 ) {
- gprintk("saa7146_v4l.o: set_up_grabbing, invalid dimension for wanted buffer %d\n",vm->frame);
- return -EINVAL;
- }
-
- /* set corresponding buffer to ´grabbing´ */
- saa->frame_stat[vm->frame] = GBUFFER_GRABBING;
-
- /* copy grabbing informtaion for the buffer */
- saa->grab_height[vm->frame] = vm->height;
- saa->grab_width[vm->frame] = vm->width;
- /* fixme: setting of grabbing port ?!*/
- saa->grab_port[vm->frame] = 0;
-
- switch( vm->format ) {
-
- case VIDEO_PALETTE_RGB555:
- saa->grab_format[vm->frame] = RGB15_COMPOSED;
- break;
-
- case VIDEO_PALETTE_RGB24:
- saa->grab_format[vm->frame] = RGB24_COMPOSED;
- break;
-
- case VIDEO_PALETTE_RGB32:
- saa->grab_format[vm->frame] = RGB32_COMPOSED;
- break;
-
- case VIDEO_PALETTE_YUV420P:
- return -EINVAL;
-
- case VIDEO_PALETTE_YUV422:
- saa->grab_format[vm->frame] = YUV422_COMPOSED;
- break;
-
- case VIDEO_PALETTE_YUV422P:
- saa->grab_format[vm->frame] = YUV422_DECOMPOSED;
- break;
-
- case VIDEO_PALETTE_YUV411P:
- saa->grab_format[vm->frame] = YUV411_DECOMPOSED;
- break;
-
- default:
- /*case VIDEO_PALETTE_RGB565:*/
- saa->grab_format[vm->frame] = RGB16_COMPOSED;
- break;
- }
-
- set_up_grabbing(saa,vm->frame);
- break;
- }
- case SAA7146_V4L_GMBUF:
- {
- struct video_mbuf *m = arg;
- int i = 0;
-
- m->size = saa->buffers * GRABBING_MEM_SIZE;
- m->frames = saa->buffers;
-
- for(i = 0; i < saa->buffers; i++)
- m->offsets[i]=(i*GRABBING_MEM_SIZE);
-
- gprintk(KERN_ERR "saa7146_v4l.o: SAA7146_V4L_GMBUF, providing %d buffers.\n", saa->buffers);
-
- break;
- }
-
- default:
- return -ENOIOCTLCMD;
- }
-
- return 0;
-}
-
-int saa7146_v4l_attach(struct saa7146* adap, void** p)
-{
- struct saa7146_v4l_struct* data;
-
- hprintk("saa7146_v4l.o: ==> saa7146_v4l_inc_use_attach\n");
-
- if (!(data = kmalloc(sizeof(struct saa7146_v4l_struct), GFP_KERNEL))) {
- printk (KERN_ERR "%s: out of memory!\n", __FUNCTION__);
- return -ENOMEM;
- }
- *(struct saa7146_v4l_struct**)p = data;
-
- memset(&data->buffer, 0x0, sizeof(struct video_buffer));
- memset(&data->mbuf, 0x0, sizeof(struct video_mbuf));
- memset(&data->window, 0x0, sizeof(struct video_window));
- memset(&data->picture,0x0, sizeof(struct video_picture));
-
- data->picture.brightness = 32768;
- data->picture.contrast = 32768;
- data->picture.colour = 32768; /* saturation */
- data->picture.depth = 16;
- data->picture.palette = VIDEO_PALETTE_RGB565;
-
- return 0;
-}
-
-
-void saa7146_v4l_inc_use(struct saa7146* adap)
-{
- MOD_INC_USE_COUNT;
-}
-
-
-int saa7146_v4l_detach(struct saa7146* adap, void** p)
-{
- struct saa7146_v4l_struct** data = (struct saa7146_v4l_struct**)p;
-
- kfree(*data);
- *data = NULL;
-
- return 0;
-}
-
-
-void saa7146_v4l_dec_use(struct saa7146* adap)
-{
- MOD_DEC_USE_COUNT;
-}
-
-
-static struct saa7146_extension saa7146_v4l_extension = {
- "v4l extension\0",
- MASK_27, /* handles rps0 irqs */
- saa7146_std_grab_irq_callback_rps0,
- saa7146_v4l_command,
- saa7146_v4l_attach,
- saa7146_v4l_detach,
- saa7146_v4l_inc_use,
- saa7146_v4l_dec_use
-};
-
-
-int saa7146_v4l_init (void)
-{
- int res = 0;
-
- if((res = saa7146_add_extension(&saa7146_v4l_extension))) {
- printk("saa7146_v4l.o: extension registration failed, module not inserted.\n");
- return res;
- }
-
- return 0;
-}
-
-
-void saa7146_v4l_exit (void)
-{
- int res = 0;
- if ((res = saa7146_del_extension(&saa7146_v4l_extension))) {
- printk("saa7146_v4l.o: extension deregistration failed, module not removed.\n");
- }
-}
-
-MODULE_PARM(saa7146_v4l_debug, "i");
-MODULE_PARM_DESC(saa7146_v4l_debug, "set saa7146_v4l.c in debug mode");
-
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