1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47 #include <sys/gpio.h>
152 #define	DCU_SFT_LCK_POL		0x114	/* Soft Lock POL */
157 #define DCU_CTRLDESCL(n, m)	0x200 + (0x40 * n) + 0x4 * (m - 1)
202 	{ -1, 0 }
212 	if (!ofw_bus_is_compatible(dev, "fsl,mvf600-dcu4"))  in dcu_probe()
241 	if ((node = ofw_bus_get_node(sc->dev)) == -1)  in get_panel_info()
245 	if ((len = OF_getproplen(node, "panel-size")) <= 0)  in get_panel_info()
247 	OF_getencprop(node, "panel-size", dts_value, len);  in get_panel_info()
248 	panel->width = dts_value[0];  in get_panel_info()
249 	panel->height = dts_value[1];  in get_panel_info()
252 	if ((len = OF_getproplen(node, "panel-hsync")) <= 0)  in get_panel_info()
254 	OF_getencprop(node, "panel-hsync", dts_value, len);  in get_panel_info()
255 	panel->h_back_porch = dts_value[0];  in get_panel_info()
256 	panel->h_pulse_width = dts_value[1];  in get_panel_info()
257 	panel->h_front_porch = dts_value[2];  in get_panel_info()
260 	if ((len = OF_getproplen(node, "panel-vsync")) <= 0)  in get_panel_info()
262 	OF_getencprop(node, "panel-vsync", dts_value, len);  in get_panel_info()
263 	panel->v_back_porch = dts_value[0];  in get_panel_info()
264 	panel->v_pulse_width = dts_value[1];  in get_panel_info()
265 	panel->v_front_porch = dts_value[2];  in get_panel_info()
268 	if ((len = OF_getproplen(node, "panel-clk-div")) <= 0)  in get_panel_info()
270 	OF_getencprop(node, "panel-clk-div", dts_value, len);  in get_panel_info()
271 	panel->clk_div = dts_value[0];  in get_panel_info()
274 	if ((len = OF_getproplen(node, "panel-backlight-pin")) <= 0)  in get_panel_info()
276 	OF_getencprop(node, "panel-backlight-pin", dts_value, len);  in get_panel_info()
277 	panel->backlight_pin = dts_value[0];  in get_panel_info()
289 	panel = sc->panel;  in dcu_init()
292 	reg = ((sc->sc_info.fb_height) << DELTA_Y_S);  in dcu_init()
293 	reg |= (sc->sc_info.fb_width / 16);  in dcu_init()
296 	reg = (panel->h_back_porch << BP_H_SHIFT);  in dcu_init()
297 	reg |= (panel->h_pulse_width << PW_H_SHIFT);  in dcu_init()
298 	reg |= (panel->h_front_porch << FP_H_SHIFT);  in dcu_init()
301 	reg = (panel->v_back_porch << BP_V_SHIFT);  in dcu_init()
302 	reg |= (panel->v_pulse_width << PW_V_SHIFT);  in dcu_init()
303 	reg |= (panel->v_front_porch << FP_V_SHIFT);  in dcu_init()
307 	WRITE4(sc, DCU_DIV_RATIO, panel->clk_div);  in dcu_init()
335 	reg = (sc->sc_info.fb_width | (sc->sc_info.fb_height << 16));  in dcu_init()
338 	WRITE4(sc, DCU_CTRLDESCLn_3(0), sc->sc_info.fb_pbase);  in dcu_init()
369 	sc->dev = dev;  in dcu_attach()
371 	if (bus_alloc_resources(dev, dcu_spec, sc->res)) {  in dcu_attach()
377 	sc->bst = rman_get_bustag(sc->res[0]);  in dcu_attach()
378 	sc->bsh = rman_get_bushandle(sc->res[0]);  in dcu_attach()
381 	err = bus_setup_intr(dev, sc->res[1], INTR_TYPE_BIO | INTR_MPSAFE,  in dcu_attach()
382 	    NULL, dcu_intr, sc, &sc->ih);  in dcu_attach()
393 	sc->panel = &panel;  in dcu_attach()
398 	/* Get the GPIO device, we need this to give power to USB */  in dcu_attach()
399 	gpio_dev = devclass_get_device(devclass_find("gpio"), 0);  in dcu_attach()
401 		device_printf(sc->dev, "Error: failed to get the GPIO dev\n");  in dcu_attach()
410 	sc->sc_info.fb_width = panel.width;  in dcu_attach()
411 	sc->sc_info.fb_height = panel.height;  in dcu_attach()
412 	sc->sc_info.fb_stride = sc->sc_info.fb_width * 3;  in dcu_attach()
413 	sc->sc_info.fb_bpp = sc->sc_info.fb_depth = 24;  in dcu_attach()
414 	sc->sc_info.fb_size = sc->sc_info.fb_height * sc->sc_info.fb_stride;  in dcu_attach()
415 	sc->sc_info.fb_vbase = (intptr_t)contigmalloc(sc->sc_info.fb_size,  in dcu_attach()
417 	sc->sc_info.fb_pbase = (intptr_t)vtophys(sc->sc_info.fb_vbase);  in dcu_attach()
420 	printf("%dx%d [%d]\n", sc->sc_info.fb_width, sc->sc_info.fb_height,  in dcu_attach()
421 	    sc->sc_info.fb_stride);  in dcu_attach()
422 	printf("pbase == 0x%08x\n", sc->sc_info.fb_pbase);  in dcu_attach()
425 	memset((int8_t *)sc->sc_info.fb_vbase, 0x0, sc->sc_info.fb_size);  in dcu_attach()
429 	sc->sc_info.fb_name = device_get_nameunit(dev);  in dcu_attach()
432 	sc->sc_fbd = device_add_child(dev, "fbd", device_get_unit(dev));  in dcu_attach()
433 	if (sc->sc_fbd == NULL)  in dcu_attach()
436 	if (device_probe_and_attach(sc->sc_fbd) != 0) {  in dcu_attach()
437 		device_printf(sc->dev, "Failed to attach fbd device\n");  in dcu_attach()
448 	return (&sc->sc_info);  in dcu4_fb_getinfo()