mmp/hw/mmp_ctrl.c

122 	struct mmp_path *path = overlay->path;
123 	tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
126 	writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
131 	struct lcd_regs *regs = path_regs(overlay->path);
171 	struct mmp_path *path = overlay->path;
174 	tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
177 	writel(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
181 static void path_enabledisable(struct mmp_path *path, int on)
184 	mutex_lock(&path->access_ok);
185 	tmp = readl_relaxed(ctrl_regs(path) + LCD_SCLK(path));
190 	writel_relaxed(tmp, ctrl_regs(path) + LCD_SCLK(path));
191 	mutex_unlock(&path->access_ok);
194 static void path_onoff(struct mmp_path *path, int on)
196 	if (path->status == on) {
197 		dev_info(path->dev, "path %s is already %s\n",
198 				path->name, stat_name(path->status));
203 		path_enabledisable(path, 1);
205 		if (path->panel && path->panel->set_onoff)
206 			path->panel->set_onoff(path->panel, 1);
208 		if (path->panel && path->panel->set_onoff)
209 			path->panel->set_onoff(path->panel, 0);
211 		path_enabledisable(path, 0);
213 	path->status = on;
220 			overlay->path->name, stat_name(overlay->status));
225 	if (overlay->path->ops.check_status(overlay->path)
226 			!= overlay->path->status)
227 		path_onoff(overlay->path, on);
237 	struct lcd_regs *regs = path_regs(overlay->path);
252 static void path_set_mode(struct mmp_path *path, struct mmp_mode *mode)
254 	struct lcd_regs *regs = path_regs(path);
256 		link_config = path_to_path_plat(path)->link_config,
257 		dsi_rbswap = path_to_path_plat(path)->link_config;
260 	memcpy(&path->mode, mode, sizeof(struct mmp_mode));
262 	mutex_lock(&path->access_ok);
265 	tmp = readl_relaxed(ctrl_regs(path) + intf_ctrl(path->id)) & 0x1;
270 	writel_relaxed(tmp, ctrl_regs(path) + intf_ctrl(path->id));
273 	tmp = readl_relaxed(ctrl_regs(path) + intf_rbswap_ctrl(path->id)) &
276 	writel_relaxed(tmp, ctrl_regs(path) + intf_rbswap_ctrl(path->id));
292 	if (path->output_type == PATH_OUT_DSI)
300 	sclk_src = clk_get_rate(path_to_ctrl(path)->clk);
305 	dev_info(path->dev, "%s sclk_src %d sclk_div 0x%x pclk %d\n",
308 	tmp = readl_relaxed(ctrl_regs(path) + LCD_SCLK(path));
311 	writel_relaxed(tmp, ctrl_regs(path) + LCD_SCLK(path));
313 	mutex_unlock(&path->access_ok);
345 static void path_set_default(struct mmp_path *path)
347 	struct lcd_regs *regs = path_regs(path);
350 	path_config = path_to_path_plat(path)->path_config;
353 	if (PATH_OUT_PARALLEL == path->output_type) {
355 		tmp = readl_relaxed(ctrl_regs(path) + SPU_IOPAD_CONTROL);
358 		writel_relaxed(tmp, ctrl_regs(path) + SPU_IOPAD_CONTROL);
361 	/* Select path clock source */
362 	tmp = readl_relaxed(ctrl_regs(path) + LCD_SCLK(path));
365 	writel_relaxed(tmp, ctrl_regs(path) + LCD_SCLK(path));
375 	writel_relaxed(dma_ctrl1, ctrl_regs(path) + dma_ctrl(1, path->id));
384 	 * bus arbiter for faster read if not tv path;
388 	tmp = readl_relaxed(ctrl_regs(path) + dma_ctrl(0, path->id));
390 	if (PATH_TV == path->id)
392 	writel_relaxed(tmp, ctrl_regs(path) + dma_ctrl(0, path->id));
400 	struct mmp_path *path = NULL;
418 	path = mmp_register_path(path_info);
419 	if (!path) {
423 	path_plat->path = path;
427 	path_set_default(path);
438 	mmp_unregister_path(path_plat->path);
536 		/* path init */