diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/media/video/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/video/zr36120.c | 2079 | ||||
| -rw-r--r-- | drivers/media/video/zr36120.h | 279 | ||||
| -rw-r--r-- | drivers/media/video/zr36120_i2c.c | 132 | ||||
| -rw-r--r-- | drivers/media/video/zr36120_mem.c | 78 | ||||
| -rw-r--r-- | drivers/media/video/zr36120_mem.h | 3 |
7 files changed, 0 insertions, 2585 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index c95735cd688..ef803106b79 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -575,18 +575,6 @@ config VIDEO_ZORAN_AVS6EYES help Support for the AverMedia 6 Eyes video surveillance card. -config VIDEO_ZR36120 - tristate "Zoran ZR36120/36125 Video For Linux" - depends on PCI && I2C && VIDEO_V4L1 && BROKEN - help - Support for ZR36120/ZR36125 based frame grabber/overlay boards. - This includes the Victor II, WaveWatcher, Video Wonder, Maxi-TV, - and Buster boards. Please read the material in - <file:Documentation/video4linux/zr36120.txt> for more information. - - To compile this driver as a module, choose M here: the - module will be called zr36120. - config VIDEO_MEYE tristate "Sony Vaio Picturebook Motion Eye Video For Linux" depends on PCI && SONYPI && VIDEO_V4L1 diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 2adb56d01ef..20b9cbc144b 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -2,7 +2,6 @@ # Makefile for the video capture/playback device drivers. # -zoran-objs := zr36120.o zr36120_i2c.o zr36120_mem.o zr36067-objs := zoran_procfs.o zoran_device.o \ zoran_driver.o zoran_card.o tuner-objs := tuner-core.o tuner-types.o tuner-simple.o \ @@ -23,7 +22,6 @@ obj-$(CONFIG_VIDEO_TDA7432) += tda7432.o obj-$(CONFIG_VIDEO_TDA9875) += tda9875.o obj-$(CONFIG_SOUND_TVMIXER) += tvmixer.o -obj-$(CONFIG_VIDEO_ZR36120) += zoran.o obj-$(CONFIG_VIDEO_SAA6588) += saa6588.o obj-$(CONFIG_VIDEO_SAA5246A) += saa5246a.o obj-$(CONFIG_VIDEO_SAA5249) += saa5249.o diff --git a/drivers/media/video/zr36120.c b/drivers/media/video/zr36120.c deleted file mode 100644 index 0cbf564388a..00000000000 --- a/drivers/media/video/zr36120.c +++ /dev/null @@ -1,2079 +0,0 @@ -/* - zr36120.c - Zoran 36120/36125 based framegrabbers - - Copyright (C) 1998-1999 Pauline Middelink <middelin@polyware.nl> - - 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> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/major.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/mm.h> -#include <linux/pci.h> -#include <linux/signal.h> -#include <linux/wait.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <linux/sched.h> -#include <linux/video_decoder.h> - -#include <asm/uaccess.h> - -#include "tuner.h" -#include "zr36120.h" -#include "zr36120_mem.h" - -/* mark an required function argument unused - lintism */ -#define UNUSED(x) (void)(x) - -/* sensible default */ -#ifndef CARDTYPE -#define CARDTYPE 0 -#endif - -/* Anybody who uses more than four? */ -#define ZORAN_MAX 4 - -static unsigned int triton1=0; /* triton1 chipset? */ -static unsigned int cardtype[ZORAN_MAX]={ [ 0 ... ZORAN_MAX-1 ] = CARDTYPE }; -static int video_nr = -1; -static int vbi_nr = -1; - -static struct pci_device_id zr36120_pci_tbl[] = { - { PCI_VENDOR_ID_ZORAN,PCI_DEVICE_ID_ZORAN_36120, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, zr36120_pci_tbl); - -MODULE_AUTHOR("Pauline Middelink <middelin@polyware.nl>"); -MODULE_DESCRIPTION("Zoran ZR36120 based framegrabber"); -MODULE_LICENSE("GPL"); - -module_param(triton1, uint, 0); -module_param_array(cardtype, uint, NULL, 0); -module_param(video_nr, int, 0); -module_param(vbi_nr, int, 0); - -static int zoran_cards; -static struct zoran zorans[ZORAN_MAX]; - -/* - * the meaning of each element can be found in zr36120.h - * Determining the value of gpdir/gpval can be tricky. The - * best way is to run the card under the original software - * and read the values from the general purpose registers - * 0x28 and 0x2C. How you do that is left as an exercise - * to the impatient reader :) - */ -#define T 1 /* to separate the bools from the ints */ -#define F 0 -static struct tvcard tvcards[] = { - /* reported working by <middelin@polyware.nl> */ -/*0*/ { "Trust Victor II", - 2, 0, T, T, T, T, 0x7F, 0x80, { 1, SVHS(6) }, { 0 } }, - /* reported working by <Michael.Paxton@aihw.gov.au> */ -/*1*/ { "Aitech WaveWatcher TV-PCI", - 3, 0, T, F, T, T, 0x7F, 0x80, { 1, TUNER(3), SVHS(6) }, { 0 } }, - /* reported working by ? */ -/*2*/ { "Genius Video Wonder PCI Video Capture Card", - 2, 0, T, T, T, T, 0x7F, 0x80, { 1, SVHS(6) }, { 0 } }, - /* reported working by <Pascal.Gabriel@wanadoo.fr> */ -/*3*/ { "Guillemot Maxi-TV PCI", - 2, 0, T, T, T, T, 0x7F, 0x80, { 1, SVHS(6) }, { 0 } }, - /* reported working by "Craig Whitmore <lennon@igrin.co.nz> */ -/*4*/ { "Quadrant Buster", - 3, 3, T, F, T, T, 0x7F, 0x80, { SVHS(1), TUNER(2), 3 }, { 1, 2, 3 } }, - /* a debug entry which has all inputs mapped */ -/*5*/ { "ZR36120 based framegrabber (all inputs enabled)", - 6, 0, T, T, T, T, 0x7F, 0x80, { 1, 2, 3, 4, 5, 6 }, { 0 } } -}; -#undef T -#undef F -#define NRTVCARDS (sizeof(tvcards)/sizeof(tvcards[0])) - -#ifdef __sparc__ -#define ENDIANESS 0 -#else -#define ENDIANESS ZORAN_VFEC_LE -#endif - -static struct { const char name[8]; uint mode; uint bpp; } palette2fmt[] = { -/* n/a */ { "n/a", 0, 0 }, -/* GREY */ { "GRAY", 0, 0 }, -/* HI240 */ { "HI240", 0, 0 }, -/* RGB565 */ { "RGB565", ZORAN_VFEC_RGB_RGB565|ENDIANESS, 2 }, -/* RGB24 */ { "RGB24", ZORAN_VFEC_RGB_RGB888|ENDIANESS|ZORAN_VFEC_PACK24, 3 }, -/* RGB32 */ { "RGB32", ZORAN_VFEC_RGB_RGB888|ENDIANESS, 4 }, -/* RGB555 */ { "RGB555", ZORAN_VFEC_RGB_RGB555|ENDIANESS, 2 }, -/* YUV422 */ { "YUV422", ZORAN_VFEC_RGB_YUV422|ENDIANESS, 2 }, -/* YUYV */ { "YUYV", 0, 0 }, -/* UYVY */ { "UYVY", 0, 0 }, -/* YUV420 */ { "YUV420", 0, 0 }, -/* YUV411 */ { "YUV411", 0, 0 }, -/* RAW */ { "RAW", 0, 0 }, -/* YUV422P */ { "YUV422P", 0, 0 }, -/* YUV411P */ { "YUV411P", 0, 0 }}; -#define NRPALETTES (sizeof(palette2fmt)/sizeof(palette2fmt[0])) -#undef ENDIANESS - -/* ----------------------------------------------------------------------- */ -/* ZORAN chipset detector */ -/* shamelessly stolen from bttv.c */ -/* Reason for beeing here: we need to detect if we are running on a */ -/* Triton based chipset, and if so, enable a certain bit */ -/* ----------------------------------------------------------------------- */ -static -void __init handle_chipset(void) -{ - /* Just in case some nut set this to something dangerous */ - if (triton1) - triton1 = ZORAN_VDC_TRICOM; - - if (pci_pci_problems & PCIPCI_TRITON) { - printk(KERN_INFO "zoran: Host bridge 82437FX Triton PIIX\n"); - triton1 = ZORAN_VDC_TRICOM; - } -} - -/* ----------------------------------------------------------------------- */ -/* ZORAN functions */ -/* ----------------------------------------------------------------------- */ - -static void zoran_set_geo(struct zoran* ztv, struct vidinfo* i); - -#if 0 /* unused */ -static -void zoran_dump(struct zoran *ztv) -{ - char str[256]; - char *p=str; /* shut up, gcc! */ - int i; - - for (i=0; i<0x60; i+=4) { - if ((i % 16) == 0) { - if (i) printk("%s\n",str); - p = str; - p+= sprintf(str, KERN_DEBUG " %04x: ",i); - } - p += sprintf(p, "%08x ",zrread(i)); - } -} -#endif /* unused */ - -static -void reap_states(struct zoran* ztv) -{ - /* count frames */ - ztv->fieldnr++; - - /* - * Are we busy at all? - * This depends on if there is a workqueue AND the - * videotransfer is enabled on the chip... - */ - if (ztv->workqueue && (zrread(ZORAN_VDC) & ZORAN_VDC_VIDEN)) - { - struct vidinfo* newitem; - - /* did we get a complete frame? */ - if (zrread(ZORAN_VSTR) & ZORAN_VSTR_GRAB) - return; - -DEBUG(printk(CARD_DEBUG "completed %s at %p\n",CARD,ztv->workqueue->kindof==FBUFFER_GRAB?"grab":"read",ztv->workqueue)); - - /* we are done with this buffer, tell everyone */ - ztv->workqueue->status = FBUFFER_DONE; - ztv->workqueue->fieldnr = ztv->fieldnr; - /* not good, here for BTTV_FIELDNR reasons */ - ztv->lastfieldnr = ztv->fieldnr; - - switch (ztv->workqueue->kindof) { - case FBUFFER_GRAB: - wake_up_interruptible(&ztv->grabq); - break; - case FBUFFER_VBI: - wake_up_interruptible(&ztv->vbiq); - break; - default: - printk(CARD_INFO "somebody killed the workqueue (kindof=%d)!\n",CARD,ztv->workqueue->kindof); - } - - /* item completed, skip to next item in queue */ - write_lock(&ztv->lock); - newitem = ztv->workqueue->next; - ztv->workqueue->next = 0; /* mark completed */ - ztv->workqueue = newitem; - write_unlock(&ztv->lock); - } - - /* - * ok, so it seems we have nothing in progress right now. - * Lets see if we can find some work. - */ - if (ztv->workqueue) - { - struct vidinfo* newitem; -again: - -DEBUG(printk(CARD_DEBUG "starting %s at %p\n",CARD,ztv->workqueue->kindof==FBUFFER_GRAB?"grab":"read",ztv->workqueue)); - - /* loadup the frame settings */ - read_lock(&ztv->lock); - zoran_set_geo(ztv,ztv->workqueue); - read_unlock(&ztv->lock); - - switch (ztv->workqueue->kindof) { - case FBUFFER_GRAB: - case FBUFFER_VBI: - zrand(~ZORAN_OCR_OVLEN, ZORAN_OCR); - zror(ZORAN_VSTR_SNAPSHOT,ZORAN_VSTR); - zror(ZORAN_VDC_VIDEN,ZORAN_VDC); - - /* start single-shot grab */ - zror(ZORAN_VSTR_GRAB, ZORAN_VSTR); - break; - default: - printk(CARD_INFO "what is this doing on the queue? (kindof=%d)\n",CARD,ztv->workqueue->kindof); - write_lock(&ztv->lock); - newitem = ztv->workqueue->next; - ztv->workqueue->next = 0; - ztv->workqueue = newitem; - write_unlock(&ztv->lock); - if (newitem) - goto again; /* yeah, sure.. */ - } - /* bye for now */ - return; - } -DEBUG(printk(CARD_DEBUG "nothing in queue\n",CARD)); - - /* - * What? Even the workqueue is empty? Am i really here - * for nothing? Did i come all that way to... do nothing? - */ - - /* do we need to overlay? */ - if (test_bit(STATE_OVERLAY, &ztv->state)) - { - /* are we already overlaying? */ - if (!(zrread(ZORAN_OCR) & ZORAN_OCR_OVLEN) || - !(zrread(ZORAN_VDC) & ZORAN_VDC_VIDEN)) - { -DEBUG(printk(CARD_DEBUG "starting overlay\n",CARD)); - - read_lock(&ztv->lock); - zoran_set_geo(ztv,&ztv->overinfo); - read_unlock(&ztv->lock); - - zror(ZORAN_OCR_OVLEN, ZORAN_OCR); - zrand(~ZORAN_VSTR_SNAPSHOT,ZORAN_VSTR); - zror(ZORAN_VDC_VIDEN,ZORAN_VDC); - } - - /* - * leave overlaying on, but turn interrupts off. - */ - zrand(~ZORAN_ICR_EN,ZORAN_ICR); - return; - } - - /* do we have any VBI idle time processing? */ - if (test_bit(STATE_VBI, &ztv->state)) - { - struct vidinfo* item; - struct vidinfo* lastitem; - - /* protect the workqueue */ - write_lock(&ztv->lock); - lastitem = ztv->workqueue; - if (lastitem) - while (lastitem->next) lastitem = lastitem->next; - for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) - if (item->next == 0 && item->status == FBUFFER_FREE) - { -DEBUG(printk(CARD_DEBUG "%p added to queue\n",CARD,item)); - item->status = FBUFFER_BUSY; - if (!lastitem) - ztv->workqueue = item; - else - lastitem->next = item; - lastitem = item; - } - write_unlock(&ztv->lock); - if (ztv->workqueue) - goto again; /* hey, _i_ graduated :) */ - } - - /* - * Then we must be realy IDLE - */ -DEBUG(printk(CARD_DEBUG "turning off\n",CARD)); - /* nothing further to do, disable DMA and further IRQs */ - zrand(~ZORAN_VDC_VIDEN,ZORAN_VDC); - zrand(~ZORAN_ICR_EN,ZORAN_ICR); -} - -static -void zoran_irq(int irq, void *dev_id) -{ - u32 stat,estat; - int count = 0; - struct zoran *ztv = dev_id; - - UNUSED(irq); - for (;;) { - /* get/clear interrupt status bits */ - stat=zrread(ZORAN_ISR); - estat=stat & zrread(ZORAN_ICR); - if (!estat) - return; - zrwrite(estat,ZORAN_ISR); - IDEBUG(printk(CARD_DEBUG "estat %08x\n",CARD,estat)); - IDEBUG(printk(CARD_DEBUG " stat %08x\n",CARD,stat)); - - if (estat & ZORAN_ISR_CODE) - { - IDEBUG(printk(CARD_DEBUG "CodReplIRQ\n",CARD)); - } - if (estat & ZORAN_ISR_GIRQ0) - { - IDEBUG(printk(CARD_DEBUG "GIRQ0\n",CARD)); - if (!ztv->card->usegirq1) - reap_states(ztv); - } - if (estat & ZORAN_ISR_GIRQ1) - { - IDEBUG(printk(CARD_DEBUG "GIRQ1\n",CARD)); - if (ztv->card->usegirq1) - reap_states(ztv); - } - - count++; - if (count > 10) - printk(CARD_ERR "irq loop %d (%x)\n",CARD,count,estat); - if (count > 20) - { - zrwrite(0, ZORAN_ICR); - printk(CARD_ERR "IRQ lockup, cleared int mask\n",CARD); - } - } -} - -static -int zoran_muxsel(struct zoran* ztv, int channel, int norm) -{ - int rv; - - /* set the new video norm */ - rv = i2c_control_device(&(ztv->i2c), I2C_DRIVERID_VIDEODECODER, DECODER_SET_NORM, &norm); - if (rv) - return rv; - ztv->norm = norm; - - /* map the given channel to the cards decoder's channel */ - channel = ztv->card->video_mux[channel] & CHANNEL_MASK; - - /* set the new channel */ - rv = i2c_control_device(&(ztv->i2c), I2C_DRIVERID_VIDEODECODER, DECODER_SET_INPUT, &channel); - return rv; -} - -/* Tell the interrupt handler what to to. */ -static -void zoran_cap(struct zoran* ztv, int on) -{ -DEBUG(printk(CARD_DEBUG "zoran_cap(%d) state=%x\n",CARD,on,ztv->state)); - - if (on) { - ztv->running = 1; - - /* - * turn interrupts (back) on. The DMA will be enabled - * inside the irq handler when it detects a restart. - */ - zror(ZORAN_ICR_EN,ZORAN_ICR); - } - else { - /* - * turn both interrupts and DMA off - */ - zrand(~ZORAN_VDC_VIDEN,ZORAN_VDC); - zrand(~ZORAN_ICR_EN,ZORAN_ICR); - - ztv->running = 0; - } -} - -static ulong dmask[] = { - 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFC, 0xFFFFFFF8, - 0xFFFFFFF0, 0xFFFFFFE0, 0xFFFFFFC0, 0xFFFFFF80, - 0xFFFFFF00, 0xFFFFFE00, 0xFFFFFC00, 0xFFFFF800, - 0xFFFFF000, 0xFFFFE000, 0xFFFFC000, 0xFFFF8000, - 0xFFFF0000, 0xFFFE0000, 0xFFFC0000, 0xFFF80000, - 0xFFF00000, 0xFFE00000, 0xFFC00000, 0xFF800000, - 0xFF000000, 0xFE000000, 0xFC000000, 0xF8000000, - 0xF0000000, 0xE0000000, 0xC0000000, 0x80000000 -}; - -static -void zoran_built_overlay(struct zoran* ztv, int count, struct video_clip *vcp) -{ - ulong* mtop; - int ystep = (ztv->vidXshift + ztv->vidWidth+31)/32; /* next DWORD */ - int i; - -DEBUG(printk(KERN_DEBUG " overlay at %p, ystep=%d, clips=%d\n",ztv->overinfo.overlay,ystep,count)); - - for (i=0; i<count; i++) { - struct video_clip *vp = vcp+i; - UNUSED(vp); -DEBUG(printk(KERN_DEBUG " %d: clip(%d,%d,%d,%d)\n", i,vp->x,vp->y,vp->width,vp->height)); - } - - /* - * activate the visible portion of the screen - * Note we take some shortcuts here, because we - * know the width can never be < 32. (I.e. a DWORD) - * We also assume the overlay starts somewhere in - * the FIRST dword. - */ - { - int start = ztv->vidXshift; - ulong firstd = dmask[start]; - ulong lastd = ~dmask[(start + ztv->overinfo.w) & 31]; - mtop = ztv->overinfo.overlay; - for (i=0; i<ztv->overinfo.h; i++) { - int w = ztv->vidWidth; - ulong* line = mtop; - if (start & 31) { - *line++ = firstd; - w -= 32-(start&31); - } - memset(line, ~0, w/8); - if (w & 31) - line[w/32] = lastd; - mtop += ystep; - } - } - - /* process clipping regions */ - for (i=0; i<count; i++) { - int h; - if (vcp->x < 0 || (uint)vcp->x > ztv->overinfo.w || - vcp->y < 0 || vcp->y > ztv->overinfo.h || - vcp->width < 0 || (uint)(vcp->x+vcp->width) > ztv->overinfo.w || - vcp->height < 0 || (vcp->y+vcp->height) > ztv->overinfo.h) - { - DEBUG(printk(CARD_DEBUG "invalid clipzone (%d,%d,%d,%d) not in (0,0,%d,%d), adapting\n",CARD,vcp->x,vcp->y,vcp->width,vcp->height,ztv->overinfo.w,ztv->overinfo.h)); - if (vcp->x < 0) vcp->x = 0; - if ((uint)vcp->x > ztv->overinfo.w) vcp->x = ztv->overinfo.w; - if (vcp->y < 0) vcp->y = 0; - if (vcp->y > ztv->overinfo.h) vcp->y = ztv->overinfo.h; - if (vcp->width < 0) vcp->width = 0; - if ((uint)(vcp->x+vcp->width) > ztv->overinfo.w) vcp->width = ztv->overinfo.w - vcp->x; - if (vcp->height < 0) vcp->height = 0; - if (vcp->y+vcp->height > ztv->overinfo.h) vcp->height = ztv->overinfo.h - vcp->y; -// continue; - } - - mtop = &ztv->overinfo.overlay[vcp->y*ystep]; - for (h=0; h<=vcp->height; h++) { - int w; - int x = ztv->vidXshift + vcp->x; - for (w=0; w<=vcp->width; w++) { - clear_bit(x&31, &mtop[x/32]); - x++; - } - mtop += ystep; - } - ++vcp; - } - - mtop = ztv->overinfo.overlay; - zrwrite(virt_to_bus(mtop), ZORAN_MTOP); - zrwrite(virt_to_bus(mtop+ystep), ZORAN_MBOT); - zraor((ztv->vidInterlace*ystep)<<0,~ZORAN_OCR_MASKSTRIDE,ZORAN_OCR); -} - -struct tvnorm -{ - u16 Wt, Wa, Ht, Ha, HStart, VStart; -}; - -static struct tvnorm tvnorms[] = { - /* PAL-BDGHI */ -/* { 864, 720, 625, 576, 131, 21 },*/ -/*00*/ { 864, 768, 625, 576, 81, 17 }, - /* NTSC */ -/*01*/ { 858, 720, 525, 480, 121, 10 }, - /* SECAM */ -/*02*/ { 864, 720, 625, 576, 131, 21 }, - /* BW50 */ -/*03*/ { 864, 720, 625, 576, 131, 21 }, - /* BW60 */ -/*04*/ { 858, 720, 525, 480, 121, 10 } -}; -#define TVNORMS (sizeof(tvnorms)/sizeof(tvnorm)) - -/* - * Program the chip for a setup as described in the vidinfo struct. - * - * Side-effects: calculates vidXshift, vidInterlace, - * vidHeight, vidWidth which are used in a later stage - * to calculate the overlay mask - * - * This is an internal function, as such it does not check the - * validity of the struct members... Spectaculair crashes will - * follow /very/ quick when you're wrong and the chip right :) - */ -static -void zoran_set_geo(struct zoran* ztv, struct vidinfo* i) -{ - ulong top, bot; - int stride; - int winWidth, winHeight; - int maxWidth, maxHeight, maxXOffset, maxYOffset; - long vfec; - -DEBUG(printk(CARD_DEBUG "set_geo(rect=(%d,%d,%d,%d), norm=%d, format=%d, bpp=%d, bpl=%d, busadr=%lx, overlay=%p)\n",CARD,i->x,i->y,i->w,i->h,ztv->norm,i->format,i->bpp,i->bpl,i->busadr,i->overlay)); - - /* - * make sure the DMA transfers are inhibited during our - * reprogramming of the chip - */ - zrand(~ZORAN_VDC_VIDEN,ZORAN_VDC); - - maxWidth = tvnorms[ztv->norm].Wa; - maxHeight = tvnorms[ztv->norm].Ha/2; - maxXOffset = tvnorms[ztv->norm].HStart; - maxYOffset = tvnorms[ztv->norm].VStart; - - /* setup vfec register (keep ExtFl,TopField and VCLKPol settings) */ - vfec = (zrread(ZORAN_VFEC) & (ZORAN_VFEC_EXTFL|ZORAN_VFEC_TOPFIELD|ZORAN_VFEC_VCLKPOL)) | - (palette2fmt[i->format].mode & (ZORAN_VFEC_RGB|ZORAN_VFEC_ERRDIF|ZORAN_VFEC_LE|ZORAN_VFEC_PACK24)); - - /* - * Set top, bottom ptrs. Since these must be DWORD aligned, - * possible adjust the x and the width of the window. - * so the endposition stay the same. The vidXshift will make - * sure we are not writing pixels before the requested x. - */ - ztv->vidXshift = 0; - winWidth = i->w; - if (winWidth < 0) - winWidth = -winWidth; - top = i->busadr + i->x*i->bpp + i->y*i->bpl; - if (top & 3) { - ztv->vidXshift = (top & 3) / i->bpp; - winWidth += ztv->vidXshift; - DEBUG(printk(KERN_DEBUG " window-x shifted %d pixels left\n",ztv->vidXshift)); - top &= ~3; - } - - /* - * bottom points to next frame but in interleaved mode we want - * to 'mix' the 2 frames to one capture, so 'bot' points to one - * (physical) line below the top line. - */ - bot = top + i->bpl; - zrwrite(top,ZORAN_VTOP); - zrwrite(bot,ZORAN_VBOT); - - /* - * Make sure the winWidth is DWORD aligned too, - * thereby automaticly making sure the stride to the - * next line is DWORD aligned too (as required by spec). - */ - if ((winWidth*i->bpp) & 3) { -DEBUG(printk(KERN_DEBUG " window-width enlarged by %d pixels\n",(winWidth*i->bpp) & 3)); - winWidth += (winWidth*i->bpp) & 3; - } - - /* determine the DispMode and stride */ - if (i->h >= 0 && i->h <= maxHeight) { - /* single frame grab suffices for this height. */ - vfec |= ZORAN_VFEC_DISPMOD; - ztv->vidInterlace = 0; - stride = i->bpl - (winWidth*i->bpp); - winHeight = i->h; - } - else { - /* interleaving needed for this height */ - ztv->vidInterlace = 1; - stride = i->bpl*2 - (winWidth*i->bpp); - winHeight = i->h/2; - } - if (winHeight < 0) /* can happen for VBI! */ - winHeight = -winHeight; - - /* safety net, sometimes bpl is too short??? */ - if (stride<0) { -DEBUG(printk(CARD_DEBUG "WARNING stride = %d\n",CARD,stride)); - stride = 0; - } - - zraor((winHeight<<12)|(winWidth<<0),~(ZORAN_VDC_VIDWINHT|ZORAN_VDC_VIDWINWID), ZORAN_VDC); - zraor(stride<<16,~ZORAN_VSTR_DISPSTRIDE,ZORAN_VSTR); - - /* remember vidWidth, vidHeight for overlay calculations */ - ztv->vidWidth = winWidth; - ztv->vidHeight = winHeight; -DEBUG(printk(KERN_DEBUG " top=%08lx, bottom=%08lx\n",top,bot)); -DEBUG(printk(KERN_DEBUG " winWidth=%d, winHeight=%d\n",winWidth,winHeight)); -DEBUG(printk(KERN_DEBUG " maxWidth=%d, maxHeight=%d\n",maxWidth,maxHeight)); -DEBUG(printk(KERN_DEBUG " stride=%d\n",stride)); - - /* - * determine horizontal scales and crops - */ - if (i->w < 0) { - int Hstart = 1; - int Hend = Hstart + winWidth; -DEBUG(printk(KERN_DEBUG " Y: scale=0, start=%d, end=%d\n", Hstart, Hend)); - zraor((Hstart<<10)|(Hend<<0),~(ZORAN_VFEH_HSTART|ZORAN_VFEH_HEND),ZORAN_VFEH); - } - else { - int Wa = maxWidth; - int X = (winWidth*64+Wa-1)/Wa; - int We = winWidth*64/X; - int HorDcm = 64-X; - int hcrop1 = 2*(Wa-We)/4; - /* - * BUGFIX: Juha Nurmela <junki@qn-lpr2-165.quicknet.inet.fi> - * found the solution to the color phase shift. - * See ChangeLog for the full explanation) - */ - int Hstart = (maxXOffset + hcrop1) | 1; - int Hend = Hstart + We - 1; - -DEBUG(printk(KERN_DEBUG " X: scale=%d, start=%d, end=%d\n", HorDcm, Hstart, Hend)); - - zraor((Hstart<<10)|(Hend<<0),~(ZORAN_VFEH_HSTART|ZORAN_VFEH_HEND),ZORAN_VFEH); - vfec |= HorDcm<<14; - - if (HorDcm<16) - vfec |= ZORAN_VFEC_HFILTER_1; /* no filter */ - else if (HorDcm<32) - vfec |= ZORAN_VFEC_HFILTER_3; /* 3 tap filter */ - else if (HorDcm<48) - vfec |= ZORAN_VFEC_HFILTER_4; /* 4 tap filter */ - else vfec |= ZORAN_VFEC_HFILTER_5; /* 5 tap filter */ - } - - /* - * Determine vertical scales and crops - * - * when height is negative, we want to read starting at line 0 - * One day someone might need access to these lines... - */ - if (i->h < 0) { - int Vstart = 0; - int Vend = Vstart + winHeight; -DEBUG(printk(KERN_DEBUG " Y: scale=0, start=%d, end=%d\n", Vstart, Vend)); - zraor((Vstart<<10)|(Vend<<0),~(ZORAN_VFEV_VSTART|ZORAN_VFEV_VEND),ZORAN_VFEV); - } - else { - int Ha = maxHeight; - int Y = (winHeight*64+Ha-1)/Ha; - int He = winHeight*64/Y; - int VerDcm = 64-Y; - int vcrop1 = 2*(Ha-He)/4; - int Vstart = maxYOffset + vcrop1; - int Vend = Vstart + He - 1; - -DEBUG(printk(KERN_DEBUG " Y: scale=%d, start=%d, end=%d\n", VerDcm, Vstart, Vend)); - zraor((Vstart<<10)|(Vend<<0),~(ZORAN_VFEV_VSTART|ZORAN_VFEV_VEND),ZORAN_VFEV); - vfec |= VerDcm<<8; - } - -DEBUG(printk(KERN_DEBUG " F: format=%d(=%s)\n",i->format,palette2fmt[i->format].name)); - - /* setup the requested format */ - zrwrite(vfec, ZORAN_VFEC); -} - -static -void zoran_common_open(struct zoran* ztv, int flags) -{ - UNUSED(flags); - - /* already opened? */ - if (ztv->users++ != 0) - return; - - /* unmute audio */ - /* /what/ audio? */ - - ztv->state = 0; - - /* setup the encoder to the initial values */ - ztv->picture.colour=254<<7; - ztv->picture.brightness=128<<8; - ztv->picture.hue=128<<8; - ztv->picture.contrast=216<<7; - i2c_control_device(&ztv->i2c, I2C_DRIVERID_VIDEODECODER, DECODER_SET_PICTURE, &ztv->picture); - - /* default to the composite input since my camera is there */ - zoran_muxsel(ztv, 0, VIDEO_MODE_PAL); -} - -static -void zoran_common_close(struct zoran* ztv) -{ - if (--ztv->users != 0) - return; - - /* mute audio */ - /* /what/ audio? */ - - /* stop the chip */ - zoran_cap(ztv, 0); -} - -/* - * Open a zoran card. Right now the flags are just a hack - */ -static int zoran_open(struct video_device *dev, int flags) -{ - struct zoran *ztv = (struct zoran*)dev; - struct vidinfo* item; - char* pos; - - DEBUG(printk(CARD_DEBUG "open(dev,%d)\n",CARD,flags)); - - /********************************************* - * We really should be doing lazy allocing... - *********************************************/ - /* allocate a frame buffer */ - if (!ztv->fbuffer) - ztv->fbuffer = bmalloc(ZORAN_MAX_FBUFSIZE); - if (!ztv->fbuffer) { - /* could not get a buffer, bail out */ - return -ENOBUFS; - } - /* at this time we _always_ have a framebuffer */ - memset(ztv->fbuffer,0,ZORAN_MAX_FBUFSIZE); - - if (!ztv->overinfo.overlay) - ztv->overinfo.overlay = kmalloc(1024*1024/8, GFP_KERNEL); - if (!ztv->overinfo.overlay) { - /* could not get an overlay buffer, bail out */ - bfree(ztv->fbuffer, ZORAN_MAX_FBUFSIZE); - return -ENOBUFS; - } - /* at this time we _always_ have a overlay */ - - /* clear buffer status, and give them a DMAable address */ - pos = ztv->fbuffer; - for (item=ztv->grabinfo; item!=ztv->grabinfo+ZORAN_MAX_FBUFFERS; item++) - { - item->status = FBUFFER_FREE; - item->memadr = pos; - item->busadr = virt_to_bus(pos); - pos += ZORAN_MAX_FBUFFER; - } - - /* do the common part of all open's */ - zoran_common_open(ztv, flags); - - return 0; -} - -static -void zoran_close(struct video_device* dev) -{ - struct zoran *ztv = (struct zoran*)dev; - - DEBUG(printk(CARD_DEBUG "close(dev)\n",CARD)); - - /* driver specific closure */ - clear_bit(STATE_OVERLAY, &ztv->state); - - zoran_common_close(ztv); - - /* - * This is sucky but right now I can't find a good way to - * be sure its safe to free the buffer. We wait 5-6 fields - * which is more than sufficient to be sure. - */ - msleep(100); /* Wait 1/10th of a second */ - - /* free the allocated framebuffer */ - bfree(ztv->fbuffer, ZORAN_MAX_FBUFSIZE); - ztv->fbuffer = 0; - kfree(ztv->overinfo.overlay); - ztv->overinfo.overlay = 0; - -} - -/* - * This read function could be used reentrant in a SMP situation. - * - * This is made possible by the spinlock which is kept till we - * found and marked a buffer for our own use. The lock must - * be released as soon as possible to prevent lock contention. - */ -static -long zoran_read(struct video_device* dev, char* buf, unsigned long count, int nonblock) -{ - struct zoran *ztv = (struct zoran*)dev; - unsigned long max; - struct vidinfo* unused = 0; - struct vidinfo* done = 0; - - DEBUG(printk(CARD_DEBUG "zoran_read(%p,%ld,%d)\n",CARD,buf,count,nonblock)); - - /* find ourself a free or completed buffer */ - for (;;) { - struct vidinfo* item; - - write_lock_irq(&ztv->lock); - for (item=ztv->grabinfo; item!=ztv->grabinfo+ZORAN_MAX_FBUFFERS; item++) - { - if (!unused && item->status == FBUFFER_FREE) - unused = item; - if (!done && item->status == FBUFFER_DONE) - done = item; - } - if (done || unused) - break; - - /* no more free buffers, wait for them. */ - write_unlock_irq(&ztv->lock); - if (nonblock) - return -EWOULDBLOCK; - interruptible_sleep_on(&ztv->grabq); - if (signal_pending(current)) - return -EINTR; - } - - /* Do we have 'ready' data? */ - if (!done) { - /* no? than this will take a while... */ - if (nonblock) { - write_unlock_irq(&ztv->lock); - return -EWOULDBLOCK; - } - - /* mark the unused buffer as wanted */ - unused->status = FBUFFER_BUSY; - unused->w = 320; - unused->h = 240; - unused->format = VIDEO_PALETTE_RGB24; - unused->bpp = palette2fmt[unused->format].bpp; - unused->bpl = unused->w * unused->bpp; - unused->next = 0; - { /* add to tail of queue */ - struct vidinfo* oldframe = ztv->workqueue; - if (!oldframe) ztv->workqueue = unused; - else { - while (oldframe->next) oldframe = oldframe->next; - oldframe->next = unused; - } - } - write_unlock_irq(&ztv->lock); - - /* tell the state machine we want it filled /NOW/ */ - zoran_cap(ztv, 1); - - /* wait till this buffer gets grabbed */ - wait_event_interruptible(ztv->grabq, - (unused->status != FBUFFER_BUSY)); - /* see if a signal did it */ - if (signal_pending(current)) - return -EINTR; - done = unused; - } - else - write_unlock_irq(&ztv->lock); - - /* Yes! we got data! */ - max = done->bpl * done->h; - if (count > max) - count = max; - if (copy_to_user((void*)buf, done->memadr, count)) - count = -EFAULT; - - /* keep the engine running */ - done->status = FBUFFER_FREE; -// zoran_cap(ztv,1); - - /* tell listeners this buffer became free */ - wake_up_interruptible(&ztv->grabq); - - /* goodbye */ - DEBUG(printk(CARD_DEBUG "zoran_read() returns %lu\n",CARD,count)); - return count; -} - -static -long zoran_write(struct video_device* dev, const char* buf, unsigned long count, int nonblock) -{ - struct zoran *ztv = (struct zoran *)dev; - UNUSED(ztv); UNUSED(dev); UNUSED(buf); UNUSED(count); UNUSED(nonblock); - DEBUG(printk(CARD_DEBUG "zoran_write\n",CARD)); - return -EINVAL; -} - -static -unsigned int zoran_poll(struct video_device *dev, struct file *file, poll_table *wait) -{ - struct zoran *ztv = (struct zoran *)dev; - struct vidinfo* item; - unsigned int mask = 0; - - poll_wait(file, &ztv->grabq, wait); - - for (item=ztv->grabinfo; item!=ztv->grabinfo+ZORAN_MAX_FBUFFERS; item++) - if (item->status == FBUFFER_DONE) - { - mask |= (POLLIN | POLLRDNORM); - break; - } - - DEBUG(printk(CARD_DEBUG "zoran_poll()=%x\n",CARD,mask)); - - return mask; -} - -/* append a new clipregion to the vector of video_clips */ -static -void new_clip(struct video_window* vw, struct video_clip* vcp, int x, int y, int w, int h) -{ - vcp[vw->clipcount].x = x; - vcp[vw->clipcount].y = y; - vcp[vw->clipcount].width = w; - vcp[vw->clipcount].height = h; - vw->clipcount++; -} - -static -int zoran_ioctl(struct video_device* dev, unsigned int cmd, void *arg) -{ - struct zoran* ztv = (struct zoran*)dev; - - switch (cmd) { - case VIDIOCGCAP: - { - struct video_capability c; - DEBUG(printk(CARD_DEBUG "VIDIOCGCAP\n",CARD)); - - strcpy(c.name,ztv->video_dev.name); - c.type = VID_TYPE_CAPTURE| - VID_TYPE_OVERLAY| - VID_TYPE_CLIPPING| - VID_TYPE_FRAMERAM| - VID_TYPE_SCALES; - if (ztv->have_tuner) - c.type |= VID_TYPE_TUNER; - if (pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) - c.type &= ~VID_TYPE_OVERLAY; - if (ztv->have_decoder) { - c.channels = ztv->card->video_inputs; - c.audios = ztv->card->audio_inputs; - } else - /* no decoder -> no channels */ - c.channels = c.audios = 0; - c.maxwidth = 768; - c.maxheight = 576; - c.minwidth = 32; - c.minheight = 32; - if (copy_to_user(arg,&c,sizeof(c))) - return -EFAULT; - break; - } - - case VIDIOCGCHAN: - { - struct video_channel v; - int mux; - if (copy_from_user(&v, arg,sizeof(v))) - return -EFAULT; - DEBUG(printk(CARD_DEBUG "VIDIOCGCHAN(%d)\n",CARD,v.channel)); - v.flags=VIDEO_VC_AUDIO -#ifdef VIDEO_VC_NORM - |VIDEO_VC_NORM -#endif - ; - v.tuners=0; - v.type=VIDEO_TYPE_CAMERA; -#ifdef I_EXPECT_POSSIBLE_NORMS_IN_THE_API - v.norm=VIDEO_MODE_PAL| - VIDEO_MODE_NTSC| - VIDEO_MODE_SECAM; -#else - v.norm=VIDEO_MODE_PAL; -#endif - /* too many inputs? no decoder -> no channels */ - if (!ztv->have_decoder || v.channel < 0 || v.channel >= ztv->card->video_inputs) - return -EINVAL; - - /* now determine the name of the channel */ - mux = ztv->card->video_mux[v.channel]; - if (mux & IS_TUNER) { - /* lets assume only one tuner, yes? */ - strcpy(v.name,"Television"); - v.type = VIDEO_TYPE_TV; - if (ztv->have_tuner) { - v.flags |= VIDEO_VC_TUNER; - |