Lines Matching refs:dma_ch
101 ret = request_dma(info->dma_ch, "PPI_DMA"); in ppi_attach_irq()
107 set_dma_callback(info->dma_ch, handler, ppi); in ppi_attach_irq()
113 free_dma(info->dma_ch); in ppi_attach_irq()
125 free_dma(info->dma_ch); in ppi_detach_irq()
133 enable_dma(info->dma_ch); in ppi_start()
194 clear_dma_irqstat(info->dma_ch); in ppi_stop()
195 disable_dma(info->dma_ch); in ppi_stop()
277 set_dma_x_count(info->dma_ch, bytes_per_line >> 2); in ppi_set_params()
278 set_dma_x_modify(info->dma_ch, 4); in ppi_set_params()
279 set_dma_y_modify(info->dma_ch, 4); in ppi_set_params()
282 set_dma_x_count(info->dma_ch, bytes_per_line >> 1); in ppi_set_params()
283 set_dma_x_modify(info->dma_ch, 2); in ppi_set_params()
284 set_dma_y_modify(info->dma_ch, 2); in ppi_set_params()
286 set_dma_y_count(info->dma_ch, params->height); in ppi_set_params()
287 set_dma_config(info->dma_ch, dma_config); in ppi_set_params()
295 set_dma_start_addr(ppi->info->dma_ch, addr); in ppi_update_addr()