2  * SuperH Mobile LCDC Framebuffer
147  * struct sh_mobile_lcdc_overlay - LCDC display overlay
149  * @channel: LCDC channel this overlay belongs to
217 	int forced_fourcc; /* 2 channel LCDC must share fourcc setting */
290 	iowrite32(data, chan->lcdc->base + chan->reg_offs[reg_nr]);  in lcdc_write_chan()
292 		iowrite32(data, chan->lcdc->base + chan->reg_offs[reg_nr] +  in lcdc_write_chan()
299 	iowrite32(data, chan->lcdc->base + chan->reg_offs[reg_nr] +  in lcdc_write_chan_mirror()
306 	return ioread32(chan->lcdc->base + chan->reg_offs[reg_nr]);  in lcdc_read_chan()
312 	iowrite32(data, ovl->channel->lcdc->base + reg);  in lcdc_write_overlay()
313 	iowrite32(data, ovl->channel->lcdc->base + reg + SIDE_B_OFFSET);  in lcdc_write_overlay()
400 	lcdc_write(ch->lcdc, _LDDWD0R, data | LDDWDxR_WDACT);  in lcdc_sys_write_index()
401 	lcdc_wait_bit(ch->lcdc, _LDSR, LDSR_AS, 0);  in lcdc_sys_write_index()
402 	lcdc_write(ch->lcdc, _LDDWAR, LDDWAR_WA |  in lcdc_sys_write_index()
404 	lcdc_wait_bit(ch->lcdc, _LDSR, LDSR_AS, 0);  in lcdc_sys_write_index()
411 	lcdc_write(ch->lcdc, _LDDWD0R, data | LDDWDxR_WDACT | LDDWDxR_RSW);  in lcdc_sys_write_data()
412 	lcdc_wait_bit(ch->lcdc, _LDSR, LDSR_AS, 0);  in lcdc_sys_write_data()
413 	lcdc_write(ch->lcdc, _LDDWAR, LDDWAR_WA |  in lcdc_sys_write_data()
415 	lcdc_wait_bit(ch->lcdc, _LDSR, LDSR_AS, 0);  in lcdc_sys_write_data()
422 	lcdc_write(ch->lcdc, _LDDRDR, LDDRDR_RSR);  in lcdc_sys_read_data()
423 	lcdc_wait_bit(ch->lcdc, _LDSR, LDSR_AS, 0);  in lcdc_sys_read_data()
424 	lcdc_write(ch->lcdc, _LDDRAR, LDDRAR_RA |  in lcdc_sys_read_data()
427 	lcdc_wait_bit(ch->lcdc, _LDSR, LDSR_AS, 0);  in lcdc_sys_read_data()
429 	return lcdc_read(ch->lcdc, _LDDRDR) & LDDRDR_DRD_MASK;  in lcdc_sys_read_data()
460 	sh_mobile_lcdc_clk_on(ch->lcdc);  in sh_mobile_lcdc_deferred_io()
481 		dma_map_sg(ch->lcdc->dev, ch->sglist, nr_pages, DMA_TO_DEVICE);  in sh_mobile_lcdc_deferred_io()
485 		dma_unmap_sg(ch->lcdc->dev, ch->sglist, nr_pages,  in sh_mobile_lcdc_deferred_io()
517 	/* HDMI must be enabled before LCDC configuration */  in sh_mobile_lcdc_display_on()
680 	ldintr = lcdc_read(ch->lcdc, _LDINTR);  in sh_mobile_lcdc_wait_for_vsync()
682 	lcdc_write(ch->lcdc, _LDINTR, ldintr);  in sh_mobile_lcdc_wait_for_vsync()
698 	/* start or stop the lcdc */  in sh_mobile_lcdc_start_stop()
778 		lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));  in sh_mobile_lcdc_overlay_setup()
780 		lcdc_write(ovl->channel->lcdc, LDBCR,  in sh_mobile_lcdc_overlay_setup()
843 	lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));  in sh_mobile_lcdc_overlay_setup()
859 	lcdc_write(ovl->channel->lcdc, LDBCR,  in sh_mobile_lcdc_overlay_setup()
864  * __sh_mobile_lcdc_start - Configure and start the LCDC
865  * @priv: LCDC device
867  * Configure all enabled channels and start the LCDC device. All external
876 	/* Enable LCDC channels. Read data from external memory, avoid using the  in __sh_mobile_lcdc_start()
881 	/* Stop the LCDC first and disable all interrupts. */  in __sh_mobile_lcdc_start()
941 		/* When using deferred I/O mode, configure the LCDC for one-shot  in __sh_mobile_lcdc_start()
1030 	/* Start the LCDC. */  in sh_mobile_lcdc_start()
1092 	/* stop the lcdc */  in sh_mobile_lcdc_stop()
1353 	.id =		"SH Mobile LCDC",
1400 	lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));  in sh_mobile_lcdc_overlay_pan()
1405 	lcdc_write(ovl->channel->lcdc, LDBCR,  in sh_mobile_lcdc_overlay_pan()
1487 	return dma_mmap_coherent(ovl->channel->lcdc->dev, vma, ovl->fb_mem,  in sh_mobile_lcdc_overlay_mmap()
1517 	struct sh_mobile_lcdc_priv *lcdc = ovl->channel->lcdc;  in sh_mobile_lcdc_overlay_fb_register()  local
1529 	dev_info(lcdc->dev, "registered %s/overlay %u as %dx%d %dbpp.\n",  in sh_mobile_lcdc_overlay_fb_register()
1530 		 dev_name(lcdc->dev), ovl->index, info->var.xres,  in sh_mobile_lcdc_overlay_fb_register()
1556 	struct sh_mobile_lcdc_priv *priv = ovl->channel->lcdc;  in sh_mobile_lcdc_overlay_fb_init()
1647 	.id =		"SH Mobile LCDC",
1682 	struct sh_mobile_lcdc_priv *priv = ch->lcdc;  in sh_mobile_lcdc_pan()
1722 		lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_SRS);  in sh_mobile_lcdc_pan()
1724 		lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_MRS);  in sh_mobile_lcdc_pan()
1821 	struct sh_mobile_lcdc_priv *p = ch->lcdc;  in sh_mobile_lcdc_check_var()
1878 	sh_mobile_lcdc_stop(ch->lcdc);  in sh_mobile_lcdc_set_par()
1893 	ret = sh_mobile_lcdc_start(ch->lcdc);  in sh_mobile_lcdc_set_par()
1895 		dev_err(info->dev, "%s: unable to restart LCDC\n", __func__);  in sh_mobile_lcdc_set_par()
1921 	struct sh_mobile_lcdc_priv *p = ch->lcdc;  in sh_mobile_lcdc_blank()
1963 	return dma_mmap_coherent(ch->lcdc->dev, vma, ch->fb_mem,  in sh_mobile_lcdc_mmap()
2010 	dev_info(ch->lcdc->dev, "registered %s/%s as %dx%d %dbpp.\n",  in sh_mobile_lcdc_channel_fb_register()
2011 		 dev_name(ch->lcdc->dev), (ch->cfg->chan == LCDC_CHAN_MAINLCD) ?  in sh_mobile_lcdc_channel_fb_register()
2017 		sh_mobile_lcdc_clk_off(ch->lcdc);  in sh_mobile_lcdc_channel_fb_register()
2041 	struct sh_mobile_lcdc_priv *priv = ch->lcdc;  in sh_mobile_lcdc_channel_fb_init()
2197 	/* turn off LCDC hardware */  in sh_mobile_lcdc_runtime_suspend()
2271 			ch->tx_dev->lcdc = NULL;  in sh_mobile_lcdc_remove()
2347 	struct device *dev = ovl->channel->lcdc->dev;  in sh_mobile_lcdc_overlay_init()
2403 	struct device *dev = ch->lcdc->dev;  in sh_mobile_lcdc_channel_init()
2492 		ch->tx_dev->lcdc = ch;  in sh_mobile_lcdc_channel_init()
2543 		ch->lcdc = priv;  in sh_mobile_lcdc_probe()
2578 	/* for dual channel LCDC (MAIN + SUB) force shared format setting */  in sh_mobile_lcdc_probe()
2656 MODULE_DESCRIPTION("SuperH Mobile LCDC Framebuffer driver");