| /* |
| 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, struct pt_regs * regs) |
| { |
| u32 stat,estat; |
| int count = 0; |
| struct zoran *ztv = dev_id; |
| |
| UNUSED(irq); UNUSED(regs); |
| 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 (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; |
| v.tuners = 1; |
| } |
| } |
| else if (mux & IS_SVHS) |
| sprintf(v.name,"S-Video-%d",v.channel); |
| else |
| sprintf(v.name,"CVBS-%d",v.channel); |
| |
| if (copy_to_user(arg,&v,sizeof(v))) |
| return -EFAULT; |
| break; |
| } |
| case VIDIOCSCHAN: |
| { /* set video channel */ |
| struct video_channel v; |
| if (copy_from_user(&v, arg,sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSCHAN(%d,%d)\n",CARD,v.channel,v.norm)); |
| |
| /* too many inputs? no decoder -> no channels */ |
| if (!ztv->have_decoder || v.channel >= ztv->card->video_inputs || v.channel < 0) |
| return -EINVAL; |
| |
| if (v.norm != VIDEO_MODE_PAL && |
| v.norm != VIDEO_MODE_NTSC && |
| v.norm != VIDEO_MODE_SECAM && |
| v.norm != VIDEO_MODE_AUTO) |
| return -EOPNOTSUPP; |
| |
| /* make it happen, nr1! */ |
| return zoran_muxsel(ztv,v.channel,v.norm); |
| } |
| |
| case VIDIOCGTUNER: |
| { |
| struct video_tuner v; |
| if (copy_from_user(&v, arg,sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGTUNER(%d)\n",CARD,v.tuner)); |
| |
| /* Only no or one tuner for now */ |
| if (!ztv->have_tuner || v.tuner) |
| return -EINVAL; |
| |
| strcpy(v.name,"Television"); |
| v.rangelow = 0; |
| v.rangehigh = ~0; |
| v.flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; |
| v.mode = ztv->norm; |
| v.signal = 0xFFFF; /* unknown */ |
| |
| if (copy_to_user(arg,&v,sizeof(v))) |
| return -EFAULT; |
| break; |
| } |
| case VIDIOCSTUNER: |
| { |
| struct video_tuner v; |
| if (copy_from_user(&v, arg, sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSTUNER(%d,%d)\n",CARD,v.tuner,v.mode)); |
| |
| /* Only no or one tuner for now */ |
| if (!ztv->have_tuner || v.tuner) |
| return -EINVAL; |
| |
| /* and it only has certain valid modes */ |
| if( v.mode != VIDEO_MODE_PAL && |
| v.mode != VIDEO_MODE_NTSC && |
| v.mode != VIDEO_MODE_SECAM) |
| return -EOPNOTSUPP; |
| |
| /* engage! */ |
| return zoran_muxsel(ztv,v.tuner,v.mode); |
| } |
| |
| case VIDIOCGPICT: |
| { |
| struct video_picture p = ztv->picture; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGPICT\n",CARD)); |
| p.depth = ztv->depth; |
| switch (p.depth) { |
| case 8: p.palette=VIDEO_PALETTE_YUV422; |
| break; |
| case 15: p.palette=VIDEO_PALETTE_RGB555; |
| break; |
| case 16: p.palette=VIDEO_PALETTE_RGB565; |
| break; |
| case 24: p.palette=VIDEO_PALETTE_RGB24; |
| break; |
| case 32: p.palette=VIDEO_PALETTE_RGB32; |
| break; |
| } |
| if (copy_to_user(arg, &p, sizeof(p))) |
| return -EFAULT; |
| break; |
| } |
| case VIDIOCSPICT: |
| { |
| struct video_picture p; |
| if (copy_from_user(&p, arg,sizeof(p))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSPICT(%d,%d,%d,%d,%d,%d,%d)\n",CARD,p.brightness,p.hue,p.colour,p.contrast,p.whiteness,p.depth,p.palette)); |
| |
| /* depth must match with framebuffer */ |
| if (p.depth != ztv->depth) |
| return -EINVAL; |
| |
| /* check if palette matches this bpp */ |
| if (p.palette>NRPALETTES || |
| palette2fmt[p.palette].bpp != ztv->overinfo.bpp) |
| return -EINVAL; |
| |
| write_lock_irq(&ztv->lock); |
| ztv->overinfo.format = p.palette; |
| ztv->picture = p; |
| write_unlock_irq(&ztv->lock); |
| |
| /* tell the decoder */ |
| i2c_control_device(&ztv->i2c, I2C_DRIVERID_VIDEODECODER, DECODER_SET_PICTURE, &p); |
| break; |
| } |
| |
| case VIDIOCGWIN: |
| { |
| struct video_window vw; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGWIN\n",CARD)); |
| read_lock(&ztv->lock); |
| vw.x = ztv->overinfo.x; |
| vw.y = ztv->overinfo.y; |
| vw.width = ztv->overinfo.w; |
| vw.height = ztv->overinfo.h; |
| vw.chromakey= 0; |
| vw.flags = 0; |
| if (ztv->vidInterlace) |
| vw.flags|=VIDEO_WINDOW_INTERLACE; |
| read_unlock(&ztv->lock); |
| if (copy_to_user(arg,&vw,sizeof(vw))) |
| return -EFAULT; |
| break; |
| } |
| case VIDIOCSWIN: |
| { |
| struct video_window vw; |
| struct video_clip *vcp; |
| int on; |
| if (copy_from_user(&vw,arg,sizeof(vw))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSWIN(%d,%d,%d,%d,%x,%d)\n",CARD,vw.x,vw.y,vw.width,vw.height,vw.flags,vw.clipcount)); |
| |
| if (vw.flags) |
| return -EINVAL; |
| |
| if (vw.clipcount <0 || vw.clipcount>256) |
| return -EDOM; /* Too many! */ |
| |
| /* |
| * Do any clips. |
| */ |
| vcp = vmalloc(sizeof(struct video_clip)*(vw.clipcount+4)); |
| if (vcp==NULL) |
| return -ENOMEM; |
| if (vw.clipcount && copy_from_user(vcp,vw.clips,sizeof(struct video_clip)*vw.clipcount)) { |
| vfree(vcp); |
| return -EFAULT; |
| } |
| |
| on = ztv->running; |
| if (on) |
| zoran_cap(ztv, 0); |
| |
| /* |
| * strange, it seems xawtv sometimes calls us with 0 |
| * width and/or height. Ignore these values |
| */ |
| if (vw.x == 0) |
| vw.x = ztv->overinfo.x; |
| if (vw.y == 0) |
| vw.y = ztv->overinfo.y; |
| |
| /* by now we are committed to the new data... */ |
| write_lock_irq(&ztv->lock); |
| ztv->overinfo.x = vw.x; |
| ztv->overinfo.y = vw.y; |
| ztv->overinfo.w = vw.width; |
| ztv->overinfo.h = vw.height; |
| write_unlock_irq(&ztv->lock); |
| |
| /* |
| * Impose display clips |
| */ |
| if (vw.x+vw.width > ztv->swidth) |
| new_clip(&vw, vcp, ztv->swidth-vw.x, 0, vw.width-1, vw.height-1); |
| if (vw.y+vw.height > ztv->sheight) |
| new_clip(&vw, vcp, 0, ztv->sheight-vw.y, vw.width-1, vw.height-1); |
| |
| /* built the requested clipping zones */ |
| zoran_set_geo(ztv, &ztv->overinfo); |
| zoran_built_overlay(ztv, vw.clipcount, vcp); |
| vfree(vcp); |
| |
| /* if we were on, restart the video engine */ |
| if (on) |
| zoran_cap(ztv, 1); |
| break; |
| } |
| |
| case VIDIOCCAPTURE: |
| { |
| int v; |
| if (get_user(v, (int *)arg)) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCCAPTURE(%d)\n",CARD,v)); |
| |
| if (v==0) { |
| clear_bit(STATE_OVERLAY, &ztv->state); |
| zoran_cap(ztv, 1); |
| } |
| else { |
| /* is VIDIOCSFBUF, VIDIOCSWIN done? */ |
| if (ztv->overinfo.busadr==0 || ztv->overinfo.w==0 || ztv->overinfo.h==0) |
| return -EINVAL; |
| |
| set_bit(STATE_OVERLAY, &ztv->state); |
| zoran_cap(ztv, 1); |
| } |
| break; |
| } |
| |
| case VIDIOCGFBUF: |
| { |
| struct video_buffer v; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGFBUF\n",CARD)); |
| read_lock(&ztv->lock); |
| v.base = (void *)ztv->overinfo.busadr; |
| v.height = ztv->sheight; |
| v.width = ztv->swidth; |
| v.depth = ztv->depth; |
| v.bytesperline = ztv->overinfo.bpl; |
| read_unlock(&ztv->lock); |
| if(copy_to_user(arg, &v,sizeof(v))) |
| return -EFAULT; |
| break; |
| } |
| case VIDIOCSFBUF: |
| { |
| struct video_buffer v; |
| if(!capable(CAP_SYS_ADMIN)) |
| return -EPERM; |
| if (copy_from_user(&v, arg,sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSFBUF(%p,%d,%d,%d,%d)\n",CARD,v.base, v.width,v.height,v.depth,v.bytesperline)); |
| |
| if (v.depth!=15 && v.depth!=16 && v.depth!=24 && v.depth!=32) |
| return -EINVAL; |
| if (v.bytesperline<1) |
| return -EINVAL; |
| if (ztv->running) |
| return -EBUSY; |
| write_lock_irq(&ztv->lock); |
| ztv->overinfo.busadr = (ulong)v.base; |
| ztv->sheight = v.height; |
| ztv->swidth = v.width; |
| ztv->depth = v.depth; /* bits per pixel */ |
| ztv->overinfo.bpp = ((v.depth+1)&0x38)/8;/* bytes per pixel */ |
| ztv->overinfo.bpl = v.bytesperline; /* bytes per line */ |
| write_unlock_irq(&ztv->lock); |
| break; |
| } |
| |
| case VIDIOCKEY: |
| { |
| /* Will be handled higher up .. */ |
| break; |
| } |
| |
| case VIDIOCSYNC: |
| { |
| int i; |
| if (get_user(i, (int *) arg)) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDEOCSYNC(%d)\n",CARD,i)); |
| if (i<0 || i>ZORAN_MAX_FBUFFERS) |
| return -EINVAL; |
| switch (ztv->grabinfo[i].status) { |
| case FBUFFER_FREE: |
| return -EINVAL; |
| case FBUFFER_BUSY: |
| /* wait till this buffer gets grabbed */ |
| wait_event_interruptible(ztv->grabq, |
| (ztv->grabinfo[i].status != FBUFFER_BUSY)); |
| /* see if a signal did it */ |
| if (signal_pending(current)) |
| return -EINTR; |
| /* don't fall through; a DONE buffer is not UNUSED */ |
| break; |
| case FBUFFER_DONE: |
| ztv->grabinfo[i].status = FBUFFER_FREE; |
| /* tell ppl we have a spare buffer */ |
| wake_up_interruptible(&ztv->grabq); |
| break; |
| } |
| DEBUG(printk(CARD_DEBUG "VIDEOCSYNC(%d) returns\n",CARD,i)); |
| break; |
| } |
| |
| case VIDIOCMCAPTURE: |
| { |
| struct video_mmap vm; |
| struct vidinfo* frame; |
| if (copy_from_user(&vm,arg,sizeof(vm))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCMCAPTURE(%d,(%d,%d),%d)\n",CARD,vm.frame,vm.width,vm.height,vm.format)); |
| if (vm.frame<0 || vm.frame>ZORAN_MAX_FBUFFERS || |
| vm.width<32 || vm.width>768 || |
| vm.height<32 || vm.height>576 || |
| vm.format>NRPALETTES || |
| palette2fmt[vm.format].mode == 0) |
| return -EINVAL; |
| |
| /* we are allowed to take over UNUSED and DONE buffers */ |
| frame = &ztv->grabinfo[vm.frame]; |
| if (frame->status == FBUFFER_BUSY) |
| return -EBUSY; |
| |
| /* setup the other parameters if they are given */ |
| write_lock_irq(&ztv->lock); |
| frame->w = vm.width; |
| frame->h = vm.height; |
| frame->format = vm.format; |
| frame->bpp = palette2fmt[frame->format].bpp; |
| frame->bpl = frame->w*frame->bpp; |
| frame->status = FBUFFER_BUSY; |
| frame->next = 0; |
| { /* add to tail of queue */ |
| struct vidinfo* oldframe = ztv->workqueue; |
| if (!oldframe) ztv->workqueue = frame; |
| else { |
| while (oldframe->next) oldframe = oldframe->next; |
| oldframe->next = frame; |
| } |
| } |
| write_unlock_irq(&ztv->lock); |
| zoran_cap(ztv, 1); |
| break; |
| } |
| |
| case VIDIOCGMBUF: |
| { |
| struct video_mbuf mb; |
| int i; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGMBUF\n",CARD)); |
| mb.size = ZORAN_MAX_FBUFSIZE; |
| mb.frames = ZORAN_MAX_FBUFFERS; |
| for (i=0; i<ZORAN_MAX_FBUFFERS; i++) |
| mb.offsets[i] = i*ZORAN_MAX_FBUFFER; |
| if(copy_to_user(arg, &mb,sizeof(mb))) |
| return -EFAULT; |
| break; |
| } |
| |
| case VIDIOCGUNIT: |
| { |
| struct video_unit vu; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGUNIT\n",CARD)); |
| vu.video = ztv->video_dev.minor; |
| vu.vbi = ztv->vbi_dev.minor; |
| vu.radio = VIDEO_NO_UNIT; |
| vu.audio = VIDEO_NO_UNIT; |
| vu.teletext = VIDEO_NO_UNIT; |
| if(copy_to_user(arg, &vu,sizeof(vu))) |
| return -EFAULT; |
| break; |
| } |
| |
| case VIDIOCGFREQ: |
| { |
| unsigned long v = ztv->tuner_freq; |
| if (copy_to_user(arg,&v,sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGFREQ\n",CARD)); |
| break; |
| } |
| case VIDIOCSFREQ: |
| { |
| unsigned long v; |
| if (copy_from_user(&v, arg, sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSFREQ\n",CARD)); |
| |
| if (ztv->have_tuner) { |
| int fixme = v; |
| if (i2c_control_device(&(ztv->i2c), I2C_DRIVERID_TUNER, TUNER_SET_TVFREQ, &fixme) < 0) |
| return -EAGAIN; |
| } |
| ztv->tuner_freq = v; |
| break; |
| } |
| |
| /* Why isn't this in the API? |
| * And why doesn't it take a buffer number? |
| case BTTV_FIELDNR: |
| { |
| unsigned long v = ztv->lastfieldnr; |
| if (copy_to_user(arg,&v,sizeof(v))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "BTTV_FIELDNR\n",CARD)); |
| break; |
| } |
| */ |
| |
| default: |
| return -ENOIOCTLCMD; |
| } |
| return 0; |
| } |
| |
| static |
| int zoran_mmap(struct vm_area_struct *vma, struct video_device* dev, const char* adr, unsigned long size) |
| { |
| struct zoran* ztv = (struct zoran*)dev; |
| unsigned long start = (unsigned long)adr; |
| unsigned long pos; |
| |
| DEBUG(printk(CARD_DEBUG "zoran_mmap(0x%p,%ld)\n",CARD,adr,size)); |
| |
| /* sanity checks */ |
| if (size > ZORAN_MAX_FBUFSIZE || !ztv->fbuffer) |
| return -EINVAL; |
| |
| /* start mapping the whole shabang to user memory */ |
| pos = (unsigned long)ztv->fbuffer; |
| while (size>0) { |
| unsigned long pfn = virt_to_phys((void*)pos) >> PAGE_SHIFT; |
| if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, PAGE_SHARED)) |
| return -EAGAIN; |
| start += PAGE_SIZE; |
| pos += PAGE_SIZE; |
| size -= PAGE_SIZE; |
| } |
| return 0; |
| } |
| |
| static struct video_device zr36120_template= |
| { |
| .owner = THIS_MODULE, |
| .name = "UNSET", |
| .type = VID_TYPE_TUNER|VID_TYPE_CAPTURE|VID_TYPE_OVERLAY, |
| .hardware = VID_HARDWARE_ZR36120, |
| .open = zoran_open, |
| .close = zoran_close, |
| .read = zoran_read, |
| .write = zoran_write, |
| .poll = zoran_poll, |
| .ioctl = zoran_ioctl, |
| .compat_ioctl = v4l_compat_ioctl32, |
| .mmap = zoran_mmap, |
| .minor = -1, |
| }; |
| |
| static |
| int vbi_open(struct video_device *dev, int flags) |
| { |
| struct zoran *ztv = dev->priv; |
| struct vidinfo* item; |
| |
| DEBUG(printk(CARD_DEBUG "vbi_open(dev,%d)\n",CARD,flags)); |
| |
| /* |
| * During VBI device open, we continiously grab VBI-like |
| * data in the vbi buffer when we have nothing to do. |
| * Only when there is an explicit request for VBI data |
| * (read call) we /force/ a read. |
| */ |
| |
| /* allocate buffers */ |
| for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| { |
| item->status = FBUFFER_FREE; |
| |
| /* alloc */ |
| if (!item->memadr) { |
| item->memadr = bmalloc(ZORAN_VBI_BUFSIZE); |
| if (!item->memadr) { |
| /* could not get a buffer, bail out */ |
| while (item != ztv->readinfo) { |
| item--; |
| bfree(item->memadr, ZORAN_VBI_BUFSIZE); |
| item->memadr = 0; |
| item->busadr = 0; |
| } |
| return -ENOBUFS; |
| } |
| } |
| |
| /* determine the DMAable address */ |
| item->busadr = virt_to_bus(item->memadr); |
| } |
| |
| /* do the common part of all open's */ |
| zoran_common_open(ztv, flags); |
| |
| set_bit(STATE_VBI, &ztv->state); |
| /* start read-ahead */ |
| zoran_cap(ztv, 1); |
| |
| return 0; |
| } |
| |
| static |
| void vbi_close(struct video_device *dev) |
| { |
| struct zoran *ztv = dev->priv; |
| struct vidinfo* item; |
| |
| DEBUG(printk(CARD_DEBUG "vbi_close(dev)\n",CARD)); |
| |
| /* driver specific closure */ |
| clear_bit(STATE_VBI, &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 */ |
| |
| for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| { |
| if (item->memadr) |
| bfree(item->memadr, ZORAN_VBI_BUFSIZE); |
| item->memadr = 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 vbi_read(struct video_device* dev, char* buf, unsigned long count, int nonblock) |
| { |
| struct zoran *ztv = dev->priv; |
| unsigned long max; |
| struct vidinfo* unused = 0; |
| struct vidinfo* done = 0; |
| |
| DEBUG(printk(CARD_DEBUG "vbi_read(0x%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->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; 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->vbiq); |
| 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->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->vbiq, |
| (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; |
| |
| /* check if the user gave us enough room to write the data */ |
| if (!access_ok(VERIFY_WRITE, buf, count)) { |
| count = -EFAULT; |
| goto out; |
| } |
| |
| /* |
| * Now transform/strip the data from YUV to Y-only |
| * NB. Assume the Y is in the LSB of the YUV data. |
| */ |
| { |
| unsigned char* optr = buf; |
| unsigned char* eptr = buf+count; |
| |
| /* are we beeing accessed from an old driver? */ |
| if (count == 2*19*2048) { |
| /* |
| * Extreme HACK, old VBI programs expect 2048 points |
| * of data, and we only got 864 orso. Double each |
| * datapoint and clear the rest of the line. |
| * This way we have appear to have a |
| * sample_frequency of 29.5 Mc. |
| */ |
| int x,y; |
| unsigned char* iptr = done->memadr+1; |
| for (y=done->h; optr<eptr && y<0; y++) |
| { |
| /* copy to doubled data to userland */ |
| for (x=0; optr+1<eptr && x<-done->w; x++) |
| { |
| unsigned char a = iptr[x*2]; |
| __put_user(a, optr++); |
| __put_user(a, optr++); |
| } |
| /* and clear the rest of the line */ |
| for (x*=2; optr<eptr && x<done->bpl; x++) |
| __put_user(0, optr++); |
| /* next line */ |
| iptr += done->bpl; |
| } |
| } |
| else { |
| /* |
| * Other (probably newer) programs asked |
| * us what geometry we are using, and are |
| * reading the correct size. |
| */ |
| int x,y; |
| unsigned char* iptr = done->memadr+1; |
| for (y=done->h; optr<eptr && y<0; y++) |
| { |
| /* copy to doubled data to userland */ |
| for (x=0; optr<eptr && x<-done->w; x++) |
| __put_user(iptr[x*2], optr++); |
| /* and clear the rest of the line */ |
| for (;optr<eptr && x<done->bpl; x++) |
| __put_user(0, optr++); |
| /* next line */ |
| iptr += done->bpl; |
| } |
| } |
| |
| /* API compliance: |
| * place the framenumber (half fieldnr) in the last long |
| */ |
| __put_user(done->fieldnr/2, ((ulong*)eptr)[-1]); |
| } |
| |
| /* keep the engine running */ |
| done->status = FBUFFER_FREE; |
| zoran_cap(ztv, 1); |
| |
| /* tell listeners this buffer just became free */ |
| wake_up_interruptible(&ztv->vbiq); |
| |
| /* goodbye */ |
| out: |
| DEBUG(printk(CARD_DEBUG "vbi_read() returns %lu\n",CARD,count)); |
| return count; |
| } |
| |
| static |
| unsigned int vbi_poll(struct video_device *dev, struct file *file, poll_table *wait) |
| { |
| struct zoran *ztv = dev->priv; |
| struct vidinfo* item; |
| unsigned int mask = 0; |
| |
| poll_wait(file, &ztv->vbiq, wait); |
| |
| for (item=ztv->readinfo; item!=ztv->readinfo+ZORAN_VBI_BUFFERS; item++) |
| if (item->status == FBUFFER_DONE) |
| { |
| mask |= (POLLIN | POLLRDNORM); |
| break; |
| } |
| |
| DEBUG(printk(CARD_DEBUG "vbi_poll()=%x\n",CARD,mask)); |
| |
| return mask; |
| } |
| |
| static |
| int vbi_ioctl(struct video_device *dev, unsigned int cmd, void *arg) |
| { |
| struct zoran* ztv = dev->priv; |
| |
| switch (cmd) { |
| case VIDIOCGVBIFMT: |
| { |
| struct vbi_format f; |
| DEBUG(printk(CARD_DEBUG "VIDIOCGVBIINFO\n",CARD)); |
| f.sampling_rate = 14750000UL; |
| f.samples_per_line = -ztv->readinfo[0].w; |
| f.sample_format = VIDEO_PALETTE_RAW; |
| f.start[0] = f.start[1] = ztv->readinfo[0].y; |
| f.start[1] += 312; |
| f.count[0] = f.count[1] = -ztv->readinfo[0].h; |
| f.flags = VBI_INTERLACED; |
| if (copy_to_user(arg,&f,sizeof(f))) |
| return -EFAULT; |
| break; |
| } |
| case VIDIOCSVBIFMT: |
| { |
| struct vbi_format f; |
| int i; |
| if (copy_from_user(&f, arg,sizeof(f))) |
| return -EFAULT; |
| DEBUG(printk(CARD_DEBUG "VIDIOCSVBIINFO(%d,%d,%d,%d,%d,%d,%d,%x)\n",CARD,f.sampling_rate,f.samples_per_line,f.sample_format,f.start[0],f.start[1],f.count[0],f.count[1],f.flags)); |
| |
| /* lots of parameters are fixed... (PAL) */ |
| if (f.sampling_rate != 14750000UL || |
| f.samples_per_line > 864 || |
| f.sample_format != VIDEO_PALETTE_RAW || |
| f.start[0] < 0 || |
| f.start[0] != f.start[1]-312 || |
| f.count[0] != f.count[1] || |
| f.start[0]+f.count[0] >= 288 || |
| f.flags != VBI_INTERLACED) |
| return -EINVAL; |
| |
| write_lock_irq(&ztv->lock); |
| ztv->readinfo[0].y = f.start[0]; |
| ztv->readinfo[0].w = -f.samples_per_line; |
| ztv->readinfo[0].h = -f.count[0]; |
| ztv->readinfo[0].bpl = f.samples_per_line*ztv->readinfo[0].bpp; |
| for (i=1; i<ZORAN_VBI_BUFFERS; i++) |
| ztv->readinfo[i] = ztv->readinfo[i]; |
| write_unlock_irq(&ztv->lock); |
| break; |
| } |
| default: |
| return -ENOIOCTLCMD; |
| } |
| return 0; |
| } |
| |
| static struct video_device vbi_template= |
| { |
| .owner = THIS_MODULE, |
| .name = "UNSET", |
| .type = VID_TYPE_CAPTURE|VID_TYPE_TELETEXT, |
| .hardware = VID_HARDWARE_ZR36120, |
| .open = vbi_open, |
| .close = vbi_close, |
| .read = vbi_read, |
| .write = zoran_write, |
| .poll = vbi_poll, |
| .ioctl = vbi_ioctl, |
| .minor = -1, |
| }; |
| |
| /* |
| * Scan for a Zoran chip, request the irq and map the io memory |
| */ |
| static |
| int __init find_zoran(void) |
| { |
| int result; |
| struct zoran *ztv; |
| struct pci_dev *dev = NULL; |
| unsigned char revision; |
| int zoran_num=0; |
| |
| while ((dev = pci_find_device(PCI_VENDOR_ID_ZORAN,PCI_DEVICE_ID_ZORAN_36120, dev))) |
| { |
| /* Ok, a ZR36120/ZR36125 found! */ |
| ztv = &zorans[zoran_num]; |
| ztv->dev = dev; |
| |
| if (pci_enable_device(dev)) |
| return -EIO; |
| |
| pci_read_config_byte(dev, PCI_CLASS_REVISION, &revision); |
| printk(KERN_INFO "zoran: Zoran %x (rev %d) ", |
| dev->device, revision); |
| printk("bus: %d, devfn: %d, irq: %d, ", |
| dev->bus->number, dev->devfn, dev->irq); |
| printk("memory: 0x%08lx.\n", ztv->zoran_adr); |
| |
| ztv->zoran_mem = ioremap(ztv->zoran_adr, 0x1000); |
| DEBUG(printk(KERN_DEBUG "zoran: mapped-memory at 0x%p\n",ztv->zoran_mem)); |
| |
| result = request_irq(dev->irq, zoran_irq, |
| IRQF_SHARED|IRQF_DISABLED,"zoran", ztv); |
| if (result==-EINVAL) |
| { |
| iounmap(ztv->zoran_mem); |
| printk(KERN_ERR "zoran: Bad irq number or handler\n"); |
| return -EINVAL; |
| } |
| if (result==-EBUSY) |
| printk(KERN_ERR "zoran: IRQ %d busy, change your PnP config in BIOS\n",dev->irq); |
| if (result < 0) { |
| iounmap(ztv->zoran_mem); |
| return result; |
| } |
| /* Enable bus-mastering */ |
| pci_set_master(dev); |
| |
| zoran_num++; |
| } |
| if(zoran_num) |
| printk(KERN_INFO "zoran: %d Zoran card(s) found.\n",zoran_num); |
| return zoran_num; |
| } |
| |
| static |
| int __init init_zoran(int card) |
| { |
| struct zoran *ztv = &zorans[card]; |
| int i; |
| |
| /* if the given cardtype valid? */ |
| if (cardtype[card]>=NRTVCARDS) { |
| printk(KERN_INFO "invalid cardtype(%d) detected\n",cardtype[card]); |
| return -1; |
| } |
| |
| /* reset the zoran */ |
| zrand(~ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| udelay(10); |
| zror(ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| udelay(10); |
| |
| /* zoran chip specific details */ |
| ztv->card = tvcards+cardtype[card]; /* point to the selected card */ |
| ztv->norm = 0; /* PAL */ |
| ztv->tuner_freq = 0; |
| |
| /* videocard details */ |
| ztv->swidth = 800; |
| ztv->sheight = 600; |
| ztv->depth = 16; |
| |
| /* State details */ |
| ztv->fbuffer = 0; |
| ztv->overinfo.kindof = FBUFFER_OVERLAY; |
| ztv->overinfo.status = FBUFFER_FREE; |
| ztv->overinfo.x = 0; |
| ztv->overinfo.y = 0; |
| ztv->overinfo.w = 768; /* 640 */ |
| ztv->overinfo.h = 576; /* 480 */ |
| ztv->overinfo.format = VIDEO_PALETTE_RGB565; |
| ztv->overinfo.bpp = palette2fmt[ztv->overinfo.format].bpp; |
| ztv->overinfo.bpl = ztv->overinfo.bpp*ztv->swidth; |
| ztv->overinfo.busadr = 0; |
| ztv->overinfo.memadr = 0; |
| ztv->overinfo.overlay = 0; |
| for (i=0; i<ZORAN_MAX_FBUFFERS; i++) { |
| ztv->grabinfo[i] = ztv->overinfo; |
| ztv->grabinfo[i].kindof = FBUFFER_GRAB; |
| } |
| init_waitqueue_head(&ztv->grabq); |
| |
| /* VBI details */ |
| ztv->readinfo[0] = ztv->overinfo; |
| ztv->readinfo[0].kindof = FBUFFER_VBI; |
| ztv->readinfo[0].w = -864; |
| ztv->readinfo[0].h = -38; |
| ztv->readinfo[0].format = VIDEO_PALETTE_YUV422; |
| ztv->readinfo[0].bpp = palette2fmt[ztv->readinfo[0].format].bpp; |
| ztv->readinfo[0].bpl = 1024*ztv->readinfo[0].bpp; |
| for (i=1; i<ZORAN_VBI_BUFFERS; i++) |
| ztv->readinfo[i] = ztv->readinfo[0]; |
| init_waitqueue_head(&ztv->vbiq); |
| |
| /* maintenance data */ |
| ztv->have_decoder = 0; |
| ztv->have_tuner = 0; |
| ztv->tuner_type = 0; |
| ztv->running = 0; |
| ztv->users = 0; |
| rwlock_init(&ztv->lock); |
| ztv->workqueue = 0; |
| ztv->fieldnr = 0; |
| ztv->lastfieldnr = 0; |
| |
| if (triton1) |
| zrand(~ZORAN_VDC_TRICOM, ZORAN_VDC); |
| |
| /* external FL determines TOP frame */ |
| zror(ZORAN_VFEC_EXTFL, ZORAN_VFEC); |
| |
| /* set HSpol */ |
| if (ztv->card->hsync_pos) |
| zrwrite(ZORAN_VFEH_HSPOL, ZORAN_VFEH); |
| /* set VSpol */ |
| if (ztv->card->vsync_pos) |
| zrwrite(ZORAN_VFEV_VSPOL, ZORAN_VFEV); |
| |
| /* Set the proper General Purpuse register bits */ |
| /* implicit: no softreset, 0 waitstates */ |
| zrwrite(ZORAN_PCI_SOFTRESET|(ztv->card->gpdir<<0),ZORAN_PCI); |
| /* implicit: 3 duration and recovery PCI clocks on guest 0-3 */ |
| zrwrite(ztv->card->gpval<<24,ZORAN_GUEST); |
| |
| /* clear interrupt status */ |
| zrwrite(~0, ZORAN_ISR); |
| |
| /* |
| * i2c template |
| */ |
| ztv->i2c = zoran_i2c_bus_template; |
| sprintf(ztv->i2c.name,"zoran-%d",card); |
| ztv->i2c.data = ztv; |
| |
| /* |
| * Now add the template and register the device unit |
| */ |
| ztv->video_dev = zr36120_template; |
| strcpy(ztv->video_dev.name, ztv->i2c.name); |
| ztv->video_dev.priv = ztv; |
| if (video_register_device(&ztv->video_dev, VFL_TYPE_GRABBER, video_nr) < 0) |
| return -1; |
| |
| ztv->vbi_dev = vbi_template; |
| strcpy(ztv->vbi_dev.name, ztv->i2c.name); |
| ztv->vbi_dev.priv = ztv; |
| if (video_register_device(&ztv->vbi_dev, VFL_TYPE_VBI, vbi_nr) < 0) { |
| video_unregister_device(&ztv->video_dev); |
| return -1; |
| } |
| i2c_register_bus(&ztv->i2c); |
| |
| /* set interrupt mask - the PIN enable will be set later */ |
| zrwrite(ZORAN_ICR_GIRQ0|ZORAN_ICR_GIRQ1|ZORAN_ICR_CODE, ZORAN_ICR); |
| |
| printk(KERN_INFO "%s: installed %s\n",ztv->i2c.name,ztv->card->name); |
| return 0; |
| } |
| |
| static |
| void release_zoran(int max) |
| { |
| struct zoran *ztv; |
| int i; |
| |
| for (i=0;i<max; i++) |
| { |
| ztv = &zorans[i]; |
| |
| /* turn off all capturing, DMA and IRQs */ |
| /* reset the zoran */ |
| zrand(~ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| udelay(10); |
| zror(ZORAN_PCI_SOFTRESET,ZORAN_PCI); |
| udelay(10); |
| |
| /* first disable interrupts before unmapping the memory! */ |
| zrwrite(0, ZORAN_ICR); |
| zrwrite(0xffffffffUL,ZORAN_ISR); |
| |
| /* free it */ |
| free_irq(ztv->dev->irq,ztv); |
| |
| /* unregister i2c_bus */ |
| i2c_unregister_bus((&ztv->i2c)); |
| |
| /* unmap and free memory */ |
| if (ztv->zoran_mem) |
| iounmap(ztv->zoran_mem); |
| |
| video_unregister_device(&ztv->video_dev); |
| video_unregister_device(&ztv->vbi_dev); |
| } |
| } |
| |
| void __exit zr36120_exit(void) |
| { |
| release_zoran(zoran_cards); |
| } |
| |
| int __init zr36120_init(void) |
| { |
| int card; |
| |
| handle_chipset(); |
| zoran_cards = find_zoran(); |
| if (zoran_cards<0) |
| /* no cards found, no need for a driver */ |
| return -EIO; |
| |
| /* initialize Zorans */ |
| for (card=0; card<zoran_cards; card++) { |
| if (init_zoran(card)<0) { |
| /* only release the zorans we have registered */ |
| release_zoran(card); |
| return -EIO; |
| } |
| } |
| return 0; |
| } |
| |
| module_init(zr36120_init); |
| module_exit(zr36120_exit); |