diff options
Diffstat (limited to 'drivers/media/platform/blackfin/ppi.c')
-rw-r--r-- | drivers/media/platform/blackfin/ppi.c | 72 |
1 files changed, 58 insertions, 14 deletions
diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c index 9374d676f63d..1e24584605f2 100644 --- a/drivers/media/platform/blackfin/ppi.c +++ b/drivers/media/platform/blackfin/ppi.c @@ -68,6 +68,13 @@ static irqreturn_t ppi_irq_err(int irq, void *dev_id) bfin_write16(®->status, 0xffff); break; } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + + bfin_write32(®->stat, 0xc0ff); + break; + } default: break; } @@ -129,6 +136,12 @@ static int ppi_start(struct ppi_if *ppi) bfin_write32(®->control, ppi->ppi_control); break; } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + bfin_write32(®->ctl, ppi->ppi_control); + break; + } default: return -EINVAL; } @@ -156,6 +169,12 @@ static int ppi_stop(struct ppi_if *ppi) bfin_write32(®->control, ppi->ppi_control); break; } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + bfin_write32(®->ctl, ppi->ppi_control); + break; + } default: return -EINVAL; } @@ -172,17 +191,23 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) { const struct ppi_info *info = ppi->info; int dma32 = 0; - int dma_config, bytes_per_line, lines_per_frame; + int dma_config, bytes_per_line; + int hcount, hdelay, samples_per_line; bytes_per_line = params->width * params->bpp / 8; - lines_per_frame = params->height; + /* convert parameters unit from pixels to samples */ + hcount = params->width * params->bpp / params->dlen; + hdelay = params->hdelay * params->bpp / params->dlen; + samples_per_line = params->line * params->bpp / params->dlen; if (params->int_mask == 0xFFFFFFFF) ppi->err_int = false; else ppi->err_int = true; - dma_config = (DMA_FLOW_STOP | WNR | RESTART | DMA2D | DI_EN); + dma_config = (DMA_FLOW_STOP | RESTART | DMA2D | DI_EN_Y); ppi->ppi_control = params->ppi_control & ~PORT_EN; + if (!(ppi->ppi_control & PORT_DIR)) + dma_config |= WNR; switch (info->type) { case PPI_TYPE_PPI: { @@ -192,8 +217,8 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) dma32 = 1; bfin_write16(®->control, ppi->ppi_control); - bfin_write16(®->count, bytes_per_line - 1); - bfin_write16(®->frame, lines_per_frame); + bfin_write16(®->count, samples_per_line - 1); + bfin_write16(®->frame, params->frame); break; } case PPI_TYPE_EPPI: @@ -205,12 +230,31 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) dma32 = 1; bfin_write32(®->control, ppi->ppi_control); - bfin_write16(®->line, bytes_per_line + params->blank_clocks); - bfin_write16(®->frame, lines_per_frame); - bfin_write16(®->hdelay, 0); - bfin_write16(®->vdelay, 0); - bfin_write16(®->hcount, bytes_per_line); - bfin_write16(®->vcount, lines_per_frame); + bfin_write16(®->line, samples_per_line); + bfin_write16(®->frame, params->frame); + bfin_write16(®->hdelay, hdelay); + bfin_write16(®->vdelay, params->vdelay); + bfin_write16(®->hcount, hcount); + bfin_write16(®->vcount, params->height); + break; + } + case PPI_TYPE_EPPI3: + { + struct bfin_eppi3_regs *reg = info->base; + + if ((params->ppi_control & PACK_EN) + || (params->ppi_control & 0x70000) > DLEN_16) + dma32 = 1; + + bfin_write32(®->ctl, ppi->ppi_control); + bfin_write32(®->line, samples_per_line); + bfin_write32(®->frame, params->frame); + bfin_write32(®->hdly, hdelay); + bfin_write32(®->vdly, params->vdelay); + bfin_write32(®->hcnt, hcount); + bfin_write32(®->vcnt, params->height); + if (params->int_mask) + bfin_write32(®->imsk, params->int_mask & 0xFF); break; } default: @@ -218,17 +262,17 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params) } if (dma32) { - dma_config |= WDSIZE_32; + dma_config |= WDSIZE_32 | PSIZE_32; set_dma_x_count(info->dma_ch, bytes_per_line >> 2); set_dma_x_modify(info->dma_ch, 4); set_dma_y_modify(info->dma_ch, 4); } else { - dma_config |= WDSIZE_16; + dma_config |= WDSIZE_16 | PSIZE_16; set_dma_x_count(info->dma_ch, bytes_per_line >> 1); set_dma_x_modify(info->dma_ch, 2); set_dma_y_modify(info->dma_ch, 2); } - set_dma_y_count(info->dma_ch, lines_per_frame); + set_dma_y_count(info->dma_ch, params->height); set_dma_config(info->dma_ch, dma_config); SSYNC(); |