1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/mfd/syscon.h>
114 	ret = regmap_read(mic->sysreg, DSD_CFG_MUX, &val);  in mic_set_path()
116 		DRM_DEV_ERROR(mic->dev,  in mic_set_path()
122 		if (mic->i80_mode)  in mic_set_path()
131 	ret = regmap_write(mic->sysreg, DSD_CFG_MUX, val);  in mic_set_path()
133 		DRM_DEV_ERROR(mic->dev,  in mic_set_path()
142 	writel(MIC_SW_RST, mic->reg + MIC_OP);  in mic_sw_reset()
144 	while (retry-- > 0) {  in mic_sw_reset()
145 		ret = readl(mic->reg + MIC_OP);  in mic_sw_reset()
152 	return -ETIMEDOUT;  in mic_sw_reset()
157 	struct videomode vm = mic->vm;  in mic_set_porch_timing()
163 	writel(reg, mic->reg + MIC_V_TIMING_0);  in mic_set_porch_timing()
167 	writel(reg, mic->reg + MIC_V_TIMING_1);  in mic_set_porch_timing()
172 	writel(reg, mic->reg + MIC_INPUT_TIMING_0);  in mic_set_porch_timing()
176 	writel(reg, mic->reg + MIC_INPUT_TIMING_1);  in mic_set_porch_timing()
181 	struct videomode *vm = &mic->vm;  in mic_set_img_size()
184 	reg = MIC_IMG_H_SIZE(vm->hactive) +  in mic_set_img_size()
185 		MIC_IMG_V_SIZE(vm->vactive);  in mic_set_img_size()
187 	writel(reg, mic->reg + MIC_IMG_SIZE);  in mic_set_img_size()
192 	struct videomode vm = mic->vm;  in mic_set_output_timing()
195 	DRM_DEV_DEBUG(mic->dev, "w: %u, h: %u\n", vm.hactive, vm.vactive);  in mic_set_output_timing()
198 	writel(reg, mic->reg + MIC_2D_OUTPUT_TIMING_2);  in mic_set_output_timing()
200 	if (!mic->i80_mode) {  in mic_set_output_timing()
204 		writel(reg, mic->reg + MIC_2D_OUTPUT_TIMING_0);  in mic_set_output_timing()
208 		writel(reg, mic->reg + MIC_2D_OUTPUT_TIMING_1);  in mic_set_output_timing()
214 	u32 reg = readl(mic->reg + MIC_OP);  in mic_set_reg_on()
221 		if (mic->i80_mode)  in mic_set_reg_on()
228 	writel(reg, mic->reg + MIC_OP);  in mic_set_reg_on()
233 	struct exynos_mic *mic = bridge->driver_private;  in mic_post_disable()
236 	if (!mic->enabled)  in mic_post_disable()
241 	pm_runtime_put(mic->dev);  in mic_post_disable()
242 	mic->enabled = 0;  in mic_post_disable()
252 	struct exynos_mic *mic = bridge->driver_private;  in mic_mode_set()
255 	drm_display_mode_to_videomode(mode, &mic->vm);  in mic_mode_set()
256 	mic->i80_mode = to_exynos_crtc(bridge->encoder->crtc)->i80_mode;  in mic_mode_set()
262 	struct exynos_mic *mic = bridge->driver_private;  in mic_pre_enable()
266 	if (mic->enabled)  in mic_pre_enable()
269 	ret = pm_runtime_resume_and_get(mic->dev);  in mic_pre_enable()
277 		DRM_DEV_ERROR(mic->dev, "Failed to reset\n");  in mic_pre_enable()
281 	if (!mic->i80_mode)  in mic_pre_enable()
286 	mic->enabled = 1;  in mic_pre_enable()
292 	pm_runtime_put(mic->dev);  in mic_pre_enable()
313 		if (e->possible_crtcs == drm_crtc_mask(&crtc->base))  in exynos_mic_bind()
316 		return -ENODEV;  in exynos_mic_bind()
318 	mic->bridge.driver_private = mic;  in exynos_mic_bind()
320 	return drm_bridge_attach(encoder, &mic->bridge, NULL, 0);  in exynos_mic_bind()
329 	if (!mic->enabled)  in exynos_mic_unbind()
332 	pm_runtime_put(mic->dev);  in exynos_mic_unbind()
348 	for (i = NUM_CLKS - 1; i > -1; i--)  in exynos_mic_suspend()
349 		clk_disable_unprepare(mic->clks[i]);  in exynos_mic_suspend()
360 		ret = clk_prepare_enable(mic->clks[i]);  in exynos_mic_resume()
364 			while (--i > -1)  in exynos_mic_resume()
365 				clk_disable_unprepare(mic->clks[i]);  in exynos_mic_resume()
377 	struct device *dev = &pdev->dev;  in exynos_mic_probe()
386 		ret = -ENOMEM;  in exynos_mic_probe()
390 	mic->dev = dev;  in exynos_mic_probe()
392 	ret = of_address_to_resource(dev->of_node, 0, &res);  in exynos_mic_probe()
397 	mic->reg = devm_ioremap(dev, res.start, resource_size(&res));  in exynos_mic_probe()
398 	if (!mic->reg) {  in exynos_mic_probe()
400 		ret = -ENOMEM;  in exynos_mic_probe()
404 	mic->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,  in exynos_mic_probe()
405 							"samsung,disp-syscon");  in exynos_mic_probe()
406 	if (IS_ERR(mic->sysreg)) {  in exynos_mic_probe()
408 		ret = PTR_ERR(mic->sysreg);  in exynos_mic_probe()
413 		mic->clks[i] = devm_clk_get(dev, clk_names[i]);  in exynos_mic_probe()
414 		if (IS_ERR(mic->clks[i])) {  in exynos_mic_probe()
417 			ret = PTR_ERR(mic->clks[i]);  in exynos_mic_probe()
424 	mic->bridge.funcs = &mic_bridge_funcs;  in exynos_mic_probe()
425 	mic->bridge.of_node = dev->of_node;  in exynos_mic_probe()
427 	drm_bridge_add(&mic->bridge);  in exynos_mic_probe()
449 	component_del(&pdev->dev, &exynos_mic_component_ops);  in exynos_mic_remove()
450 	pm_runtime_disable(&pdev->dev);  in exynos_mic_remove()
452 	drm_bridge_remove(&mic->bridge);  in exynos_mic_remove()
456 	{ .compatible = "samsung,exynos5433-mic" },
465 		.name	= "exynos-mic",