int rc;
/* estimate risc mem: worst case is one write per page border +
- one write per scan line + sync + jump (all 2 dwords) */
- instructions = (bpl * lines) / PAGE_SIZE + lines;
+ one write per scan line + sync + jump (all 2 dwords). padding
+ can cause next bpl to start close to a page border. First DMA
+ region may be smaller than PAGE_SIZE */
+ instructions = 1 + ((bpl + padding) * lines) / PAGE_SIZE + lines;
instructions += 2;
if ((rc = btcx_riscmem_alloc(btv->c.pci,risc,instructions*8)) < 0)
return rc;
}
if (bpl <= sg_dma_len(sg)-offset) {
/* fits into current chunk */
- *(rp++)=cpu_to_le32(BT848_RISC_WRITE|BT848_RISC_SOL|
+ *(rp++)=cpu_to_le32(BT848_RISC_WRITE|BT848_RISC_SOL|
BT848_RISC_EOL|bpl);
- *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
- offset+=bpl;
+ *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
+ offset+=bpl;
} else {
/* scanline needs to be splitted */
- todo = bpl;
- *(rp++)=cpu_to_le32(BT848_RISC_WRITE|BT848_RISC_SOL|
+ todo = bpl;
+ *(rp++)=cpu_to_le32(BT848_RISC_WRITE|BT848_RISC_SOL|
(sg_dma_len(sg)-offset));
- *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
- todo -= (sg_dma_len(sg)-offset);
- offset = 0;
- sg++;
- while (todo > sg_dma_len(sg)) {
- *(rp++)=cpu_to_le32(BT848_RISC_WRITE|
+ *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
+ todo -= (sg_dma_len(sg)-offset);
+ offset = 0;
+ sg++;
+ while (todo > sg_dma_len(sg)) {
+ *(rp++)=cpu_to_le32(BT848_RISC_WRITE|
sg_dma_len(sg));
- *(rp++)=cpu_to_le32(sg_dma_address(sg));
+ *(rp++)=cpu_to_le32(sg_dma_address(sg));
todo -= sg_dma_len(sg);
sg++;
}
- *(rp++)=cpu_to_le32(BT848_RISC_WRITE|BT848_RISC_EOL|
+ *(rp++)=cpu_to_le32(BT848_RISC_WRITE|BT848_RISC_EOL|
todo);
*(rp++)=cpu_to_le32(sg_dma_address(sg));
offset += todo;
/* save pointer to jmp instruction address */
risc->jmp = rp;
- BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
+ BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
return 0;
}
ri |= BT848_RISC_EOL;
/* write risc instruction */
- *(rp++)=cpu_to_le32(ri | ylen);
- *(rp++)=cpu_to_le32(((ylen >> hshift) << 16) |
+ *(rp++)=cpu_to_le32(ri | ylen);
+ *(rp++)=cpu_to_le32(((ylen >> hshift) << 16) |
(ylen >> hshift));
*(rp++)=cpu_to_le32(sg_dma_address(ysg)+yoffset);
yoffset += ylen;
/* save pointer to jmp instruction address */
risc->jmp = rp;
- BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
+ BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
return 0;
}
/* save pointer to jmp instruction address */
risc->jmp = rp;
- BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
+ BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
kfree(skips);
return 0;
}
int width, int height, int interleaved, int norm)
{
const struct bttv_tvnorm *tvnorm = &bttv_tvnorms[norm];
- u32 xsf, sr;
+ u32 xsf, sr;
int vdelay;
int swidth = tvnorm->swidth;
vdelay = tvnorm->vdelay;
- xsf = (width*scaledtwidth)/swidth;
- geo->hscale = ((totalwidth*4096UL)/xsf-4096);
- geo->hdelay = tvnorm->hdelayx1;
- geo->hdelay = (geo->hdelay*width)/swidth;
- geo->hdelay &= 0x3fe;
- sr = ((tvnorm->sheight >> (interleaved?0:1))*512)/height - 512;
- geo->vscale = (0x10000UL-sr) & 0x1fff;
- geo->crop = ((width>>8)&0x03) | ((geo->hdelay>>6)&0x0c) |
- ((tvnorm->sheight>>4)&0x30) | ((vdelay>>2)&0xc0);
- geo->vscale |= interleaved ? (BT848_VSCALE_INT<<8) : 0;
- geo->vdelay = vdelay;
- geo->width = width;
- geo->sheight = tvnorm->sheight;
+ xsf = (width*scaledtwidth)/swidth;
+ geo->hscale = ((totalwidth*4096UL)/xsf-4096);
+ geo->hdelay = tvnorm->hdelayx1;
+ geo->hdelay = (geo->hdelay*width)/swidth;
+ geo->hdelay &= 0x3fe;
+ sr = ((tvnorm->sheight >> (interleaved?0:1))*512)/height - 512;
+ geo->vscale = (0x10000UL-sr) & 0x1fff;
+ geo->crop = ((width>>8)&0x03) | ((geo->hdelay>>6)&0x0c) |
+ ((tvnorm->sheight>>4)&0x30) | ((vdelay>>2)&0xc0);
+ geo->vscale |= interleaved ? (BT848_VSCALE_INT<<8) : 0;
+ geo->vdelay = vdelay;
+ geo->width = width;
+ geo->sheight = tvnorm->sheight;
geo->vtotal = tvnorm->vtotal;
- if (btv->opt_combfilter) {
- geo->vtc = (width < 193) ? 2 : ((width < 385) ? 1 : 0);
- geo->comb = (width < 769) ? 1 : 0;
- } else {
- geo->vtc = 0;
- geo->comb = 0;
- }
+ if (btv->opt_combfilter) {
+ geo->vtc = (width < 193) ? 2 : ((width < 385) ? 1 : 0);
+ geo->comb = (width < 769) ? 1 : 0;
+ } else {
+ geo->vtc = 0;
+ geo->comb = 0;
+ }
}
static void
bttv_apply_geo(struct bttv *btv, struct bttv_geometry *geo, int odd)
{
- int off = odd ? 0x80 : 0x00;
+ int off = odd ? 0x80 : 0x00;
if (geo->comb)
btor(BT848_VSCALE_COMB, BT848_E_VSCALE_HI+off);
else
btand(~BT848_VSCALE_COMB, BT848_E_VSCALE_HI+off);
- btwrite(geo->vtc, BT848_E_VTC+off);
- btwrite(geo->hscale >> 8, BT848_E_HSCALE_HI+off);
- btwrite(geo->hscale & 0xff, BT848_E_HSCALE_LO+off);
- btaor((geo->vscale>>8), 0xe0, BT848_E_VSCALE_HI+off);
- btwrite(geo->vscale & 0xff, BT848_E_VSCALE_LO+off);
- btwrite(geo->width & 0xff, BT848_E_HACTIVE_LO+off);
- btwrite(geo->hdelay & 0xff, BT848_E_HDELAY_LO+off);
- btwrite(geo->sheight & 0xff, BT848_E_VACTIVE_LO+off);
- btwrite(geo->vdelay & 0xff, BT848_E_VDELAY_LO+off);
- btwrite(geo->crop, BT848_E_CROP+off);
+ btwrite(geo->vtc, BT848_E_VTC+off);
+ btwrite(geo->hscale >> 8, BT848_E_HSCALE_HI+off);
+ btwrite(geo->hscale & 0xff, BT848_E_HSCALE_LO+off);
+ btaor((geo->vscale>>8), 0xe0, BT848_E_VSCALE_HI+off);
+ btwrite(geo->vscale & 0xff, BT848_E_VSCALE_LO+off);
+ btwrite(geo->width & 0xff, BT848_E_HACTIVE_LO+off);
+ btwrite(geo->hdelay & 0xff, BT848_E_HDELAY_LO+off);
+ btwrite(geo->sheight & 0xff, BT848_E_VACTIVE_LO+off);
+ btwrite(geo->vdelay & 0xff, BT848_E_VDELAY_LO+off);
+ btwrite(geo->crop, BT848_E_CROP+off);
btwrite(geo->vtotal>>8, BT848_VTOTAL_HI);
- btwrite(geo->vtotal & 0xff, BT848_VTOTAL_LO);
+ btwrite(geo->vtotal & 0xff, BT848_VTOTAL_LO);
}
/* ---------------------------------------------------------- */
} else {
del_timer(&btv->timeout);
}
- btv->main.cpu[RISC_SLOT_LOOP] = cpu_to_le32(cmd);
+ btv->main.cpu[RISC_SLOT_LOOP] = cpu_to_le32(cmd);
btaor(capctl, ~0x0f, BT848_CAP_CTL);
if (capctl) {
} else {
if (!btv->dma_on)
return;
- btand(~3, BT848_GPIO_DMA_CTL);
+ btand(~3, BT848_GPIO_DMA_CTL);
btv->dma_on = 0;
}
return;
btv->main.cpu[6] = cpu_to_le32(BT848_RISC_JUMP);
btv->main.cpu[7] = cpu_to_le32(btv->main.dma + (8<<2));
- btv->main.cpu[8] = cpu_to_le32(BT848_RISC_SYNC | BT848_RISC_RESYNC |
+ btv->main.cpu[8] = cpu_to_le32(BT848_RISC_SYNC | BT848_RISC_RESYNC |
BT848_FIFO_STATUS_VRO);
- btv->main.cpu[9] = cpu_to_le32(0);
+ btv->main.cpu[9] = cpu_to_le32(0);
/* bottom field */
- btv->main.cpu[10] = cpu_to_le32(BT848_RISC_JUMP);
+ btv->main.cpu[10] = cpu_to_le32(BT848_RISC_JUMP);
btv->main.cpu[11] = cpu_to_le32(btv->main.dma + (12<<2));
- btv->main.cpu[12] = cpu_to_le32(BT848_RISC_JUMP);
+ btv->main.cpu[12] = cpu_to_le32(BT848_RISC_JUMP);
btv->main.cpu[13] = cpu_to_le32(btv->main.dma + (14<<2));
/* jump back to top field */
btv->main.cpu[14] = cpu_to_le32(BT848_RISC_JUMP);
- btv->main.cpu[15] = cpu_to_le32(btv->main.dma + (0<<2));
+ btv->main.cpu[15] = cpu_to_le32(btv->main.dma + (0<<2));
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff