Lines Matching refs:dma_ch
102 ret = request_dma(info->dma_ch, "PPI_DMA"); in ppi_attach_irq()
108 set_dma_callback(info->dma_ch, handler, ppi); in ppi_attach_irq()
114 free_dma(info->dma_ch); in ppi_attach_irq()
126 free_dma(info->dma_ch); in ppi_detach_irq()
134 enable_dma(info->dma_ch); in ppi_start()
195 clear_dma_irqstat(info->dma_ch); in ppi_stop()
196 disable_dma(info->dma_ch); in ppi_stop()
306 set_dma_x_count(info->dma_ch, bytes_per_line >> 2); in ppi_set_params()
307 set_dma_x_modify(info->dma_ch, 4); in ppi_set_params()
308 set_dma_y_modify(info->dma_ch, 4); in ppi_set_params()
311 set_dma_x_count(info->dma_ch, bytes_per_line >> 1); in ppi_set_params()
312 set_dma_x_modify(info->dma_ch, 2); in ppi_set_params()
313 set_dma_y_modify(info->dma_ch, 2); in ppi_set_params()
315 set_dma_y_count(info->dma_ch, params->height); in ppi_set_params()
316 set_dma_config(info->dma_ch, dma_config); in ppi_set_params()
324 set_dma_start_addr(ppi->info->dma_ch, addr); in ppi_update_addr()