36 static void rcar_lvds_write(struct rcar_du_lvdsenc *lvds, u32 reg, u32 data)  in rcar_lvds_write()  argument
38 	iowrite32(data, lvds->mmio + reg);  in rcar_lvds_write()
41 static int rcar_du_lvdsenc_start(struct rcar_du_lvdsenc *lvds,  in rcar_du_lvdsenc_start()  argument
51 	if (lvds->enabled)  in rcar_du_lvdsenc_start()
54 	ret = clk_prepare_enable(lvds->clock);  in rcar_du_lvdsenc_start()
68 	rcar_lvds_write(lvds, LVDPLLCR, pllcr);  in rcar_du_lvdsenc_start()
77 	rcar_lvds_write(lvds, LVDCTRCR, LVDCTRCR_CTR3SEL_ZERO |  in rcar_du_lvdsenc_start()
81 	if (rcar_du_needs(lvds->dev, RCAR_DU_QUIRK_LVDS_LANES))  in rcar_du_lvdsenc_start()
88 	rcar_lvds_write(lvds, LVDCHCR, lvdhcr);  in rcar_du_lvdsenc_start()
96 	rcar_lvds_write(lvds, LVDCR0, lvdcr0);  in rcar_du_lvdsenc_start()
99 	rcar_lvds_write(lvds, LVDCR1, LVDCR1_CHSTBY(3) | LVDCR1_CHSTBY(2) |  in rcar_du_lvdsenc_start()
106 	rcar_lvds_write(lvds, LVDCR0, lvdcr0);  in rcar_du_lvdsenc_start()
111 	rcar_lvds_write(lvds, LVDCR0, lvdcr0);  in rcar_du_lvdsenc_start()
113 	lvds->enabled = true;  in rcar_du_lvdsenc_start()
117 static void rcar_du_lvdsenc_stop(struct rcar_du_lvdsenc *lvds)  in rcar_du_lvdsenc_stop()  argument
119 	if (!lvds->enabled)  in rcar_du_lvdsenc_stop()
122 	rcar_lvds_write(lvds, LVDCR0, 0);  in rcar_du_lvdsenc_stop()
123 	rcar_lvds_write(lvds, LVDCR1, 0);  in rcar_du_lvdsenc_stop()
125 	clk_disable_unprepare(lvds->clock);  in rcar_du_lvdsenc_stop()
127 	lvds->enabled = false;  in rcar_du_lvdsenc_stop()
130 int rcar_du_lvdsenc_enable(struct rcar_du_lvdsenc *lvds, struct drm_crtc *crtc,  in rcar_du_lvdsenc_enable()  argument
134 		rcar_du_lvdsenc_stop(lvds);  in rcar_du_lvdsenc_enable()
138 		return rcar_du_lvdsenc_start(lvds, rcrtc);  in rcar_du_lvdsenc_enable()
143 static int rcar_du_lvdsenc_get_resources(struct rcar_du_lvdsenc *lvds,  in rcar_du_lvdsenc_get_resources()  argument
149 	sprintf(name, "lvds.%u", lvds->index);  in rcar_du_lvdsenc_get_resources()
152 	lvds->mmio = devm_ioremap_resource(&pdev->dev, mem);  in rcar_du_lvdsenc_get_resources()
153 	if (IS_ERR(lvds->mmio))  in rcar_du_lvdsenc_get_resources()
154 		return PTR_ERR(lvds->mmio);  in rcar_du_lvdsenc_get_resources()
156 	lvds->clock = devm_clk_get(&pdev->dev, name);  in rcar_du_lvdsenc_get_resources()
157 	if (IS_ERR(lvds->clock)) {  in rcar_du_lvdsenc_get_resources()
159 		return PTR_ERR(lvds->clock);  in rcar_du_lvdsenc_get_resources()
168 	struct rcar_du_lvdsenc *lvds;  in rcar_du_lvdsenc_init()  local
173 		lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL);  in rcar_du_lvdsenc_init()
174 		if (lvds == NULL) {  in rcar_du_lvdsenc_init()
179 		lvds->dev = rcdu;  in rcar_du_lvdsenc_init()
180 		lvds->index = i;  in rcar_du_lvdsenc_init()
181 		lvds->input = i ? RCAR_LVDS_INPUT_DU1 : RCAR_LVDS_INPUT_DU0;  in rcar_du_lvdsenc_init()
182 		lvds->enabled = false;  in rcar_du_lvdsenc_init()
184 		ret = rcar_du_lvdsenc_get_resources(lvds, pdev);  in rcar_du_lvdsenc_init()
188 		rcdu->lvds[i] = lvds;  in rcar_du_lvdsenc_init()