61 static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,  in arc_pgu_write()  argument
64 	iowrite32(value, arcpgu->regs + reg);  in arc_pgu_write()
67 static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,  in arc_pgu_read()  argument
70 	return ioread32(arcpgu->regs + reg);  in arc_pgu_read()
116 static void arc_pgu_set_pxl_fmt(struct arcpgu_drm_private *arcpgu)  in arc_pgu_set_pxl_fmt()  argument
118 	const struct drm_framebuffer *fb = arcpgu->pipe.plane.state->fb;  in arc_pgu_set_pxl_fmt()
132 	reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);  in arc_pgu_set_pxl_fmt()
137 	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl);  in arc_pgu_set_pxl_fmt()
143 	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);  in arc_pgu_mode_valid()  local
147 	rate = clk_round_rate(arcpgu->clk, clk_rate);  in arc_pgu_mode_valid()
154 static void arc_pgu_mode_set(struct arcpgu_drm_private *arcpgu)  in arc_pgu_mode_set()  argument
156 	struct drm_display_mode *m = &arcpgu->pipe.crtc.state->adjusted_mode;  in arc_pgu_mode_set()
159 	arc_pgu_write(arcpgu, ARCPGU_REG_FMT,  in arc_pgu_mode_set()
162 	arc_pgu_write(arcpgu, ARCPGU_REG_HSYNC,  in arc_pgu_mode_set()
166 	arc_pgu_write(arcpgu, ARCPGU_REG_VSYNC,  in arc_pgu_mode_set()
170 	arc_pgu_write(arcpgu, ARCPGU_REG_ACTIVE,  in arc_pgu_mode_set()
174 	val = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);  in arc_pgu_mode_set()
186 	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, val);  in arc_pgu_mode_set()
187 	arc_pgu_write(arcpgu, ARCPGU_REG_STRIDE, 0);  in arc_pgu_mode_set()
188 	arc_pgu_write(arcpgu, ARCPGU_REG_START_SET, 1);  in arc_pgu_mode_set()
190 	arc_pgu_set_pxl_fmt(arcpgu);  in arc_pgu_mode_set()
192 	clk_set_rate(arcpgu->clk, m->crtc_clock * 1000);  in arc_pgu_mode_set()
199 	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);  in arc_pgu_enable()  local
201 	arc_pgu_mode_set(arcpgu);  in arc_pgu_enable()
203 	clk_prepare_enable(arcpgu->clk);  in arc_pgu_enable()
204 	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,  in arc_pgu_enable()
205 		      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) |  in arc_pgu_enable()
211 	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);  in arc_pgu_disable()  local
213 	clk_disable_unprepare(arcpgu->clk);  in arc_pgu_disable()
214 	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,  in arc_pgu_disable()
215 			      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) &  in arc_pgu_disable()
222 	struct arcpgu_drm_private *arcpgu;  in arc_pgu_update()  local
228 	arcpgu = pipe_to_arcpgu_priv(pipe);  in arc_pgu_update()
230 	arc_pgu_write(arcpgu, ARCPGU_REG_BUF0_ADDR, gem->dma_addr);  in arc_pgu_update()
248 static int arcpgu_load(struct arcpgu_drm_private *arcpgu)  in arcpgu_load()  argument
250 	struct platform_device *pdev = to_platform_device(arcpgu->drm.dev);  in arcpgu_load()
253 	struct drm_device *drm = &arcpgu->drm;  in arcpgu_load()
257 	arcpgu->clk = devm_clk_get(drm->dev, "pxlclk");  in arcpgu_load()
258 	if (IS_ERR(arcpgu->clk))  in arcpgu_load()
259 		return PTR_ERR(arcpgu->clk);  in arcpgu_load()
272 	arcpgu->regs = devm_ioremap_resource(&pdev->dev, res);  in arcpgu_load()
273 	if (IS_ERR(arcpgu->regs))  in arcpgu_load()
274 		return PTR_ERR(arcpgu->regs);  in arcpgu_load()
277 		 arc_pgu_read(arcpgu, ARCPGU_REG_ID));  in arcpgu_load()
296 		connector = &arcpgu->sim_conn;  in arcpgu_load()
303 	ret = drm_simple_display_pipe_init(drm, &arcpgu->pipe, &arc_pgu_pipe_funcs,  in arcpgu_load()
318 		ret = drm_simple_display_pipe_attach_bridge(&arcpgu->pipe, bridge);  in arcpgu_load()
343 	struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);  in arcpgu_show_pxlclock()  local
344 	unsigned long clkrate = clk_get_rate(arcpgu->clk);  in arcpgu_show_pxlclock()
345 	unsigned long mode_clock = arcpgu->pipe.crtc.mode.crtc_clock * 1000;  in arcpgu_show_pxlclock()
381 	struct arcpgu_drm_private *arcpgu;  in arcpgu_probe()  local
384 	arcpgu = devm_drm_dev_alloc(&pdev->dev, &arcpgu_drm_driver,  in arcpgu_probe()
386 	if (IS_ERR(arcpgu))  in arcpgu_probe()
387 		return PTR_ERR(arcpgu);  in arcpgu_probe()
389 	ret = arcpgu_load(arcpgu);  in arcpgu_probe()
393 	ret = drm_dev_register(&arcpgu->drm, 0);  in arcpgu_probe()
397 	drm_fbdev_dma_setup(&arcpgu->drm, 16);  in arcpgu_probe()
402 	arcpgu_unload(&arcpgu->drm);  in arcpgu_probe()