51 static void sun4i_frontend_scaler_init(struct sun4i_frontend *frontend)  in sun4i_frontend_scaler_init()  argument
56 		regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i),  in sun4i_frontend_scaler_init()
58 		regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i),  in sun4i_frontend_scaler_init()
60 		regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i),  in sun4i_frontend_scaler_init()
62 		regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i),  in sun4i_frontend_scaler_init()
64 		regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTCOEF_REG(i),  in sun4i_frontend_scaler_init()
66 		regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTCOEF_REG(i),  in sun4i_frontend_scaler_init()
70 	regmap_update_bits(frontend->regs, SUN4I_FRONTEND_FRM_CTRL_REG,  in sun4i_frontend_scaler_init()
75 int sun4i_frontend_init(struct sun4i_frontend *frontend)  in sun4i_frontend_init()  argument
77 	return pm_runtime_get_sync(frontend->dev);  in sun4i_frontend_init()
81 void sun4i_frontend_exit(struct sun4i_frontend *frontend)  in sun4i_frontend_exit()  argument
83 	pm_runtime_put(frontend->dev);  in sun4i_frontend_exit()
87 void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,  in sun4i_frontend_update_buffer()  argument
96 	regmap_write(frontend->regs, SUN4I_FRONTEND_LINESTRD0_REG,  in sun4i_frontend_update_buffer()
103 	regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR0_REG, paddr);  in sun4i_frontend_update_buffer()
132 int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,  in sun4i_frontend_update_formats()  argument
158 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZPHASE_REG, 0x400);  in sun4i_frontend_update_formats()
159 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZPHASE_REG, 0x400);  in sun4i_frontend_update_formats()
160 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE0_REG, 0x400);  in sun4i_frontend_update_formats()
161 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE0_REG, 0x400);  in sun4i_frontend_update_formats()
162 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTPHASE1_REG, 0x400);  in sun4i_frontend_update_formats()
163 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTPHASE1_REG, 0x400);  in sun4i_frontend_update_formats()
165 	regmap_write(frontend->regs, SUN4I_FRONTEND_INPUT_FMT_REG,  in sun4i_frontend_update_formats()
175 	regmap_write(frontend->regs, SUN4I_FRONTEND_OUTPUT_FMT_REG,  in sun4i_frontend_update_formats()
182 void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,  in sun4i_frontend_update_coord()  argument
190 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_INSIZE_REG,  in sun4i_frontend_update_coord()
193 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_INSIZE_REG,  in sun4i_frontend_update_coord()
197 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_OUTSIZE_REG,  in sun4i_frontend_update_coord()
199 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_OUTSIZE_REG,  in sun4i_frontend_update_coord()
202 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_HORZFACT_REG,  in sun4i_frontend_update_coord()
204 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_HORZFACT_REG,  in sun4i_frontend_update_coord()
207 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH0_VERTFACT_REG,  in sun4i_frontend_update_coord()
209 	regmap_write(frontend->regs, SUN4I_FRONTEND_CH1_VERTFACT_REG,  in sun4i_frontend_update_coord()
212 	regmap_write_bits(frontend->regs, SUN4I_FRONTEND_FRM_CTRL_REG,  in sun4i_frontend_update_coord()
218 int sun4i_frontend_enable(struct sun4i_frontend *frontend)  in sun4i_frontend_enable()  argument
220 	regmap_write_bits(frontend->regs, SUN4I_FRONTEND_FRM_CTRL_REG,  in sun4i_frontend_enable()
239 	struct sun4i_frontend *frontend;  in sun4i_frontend_bind()  local
245 	frontend = devm_kzalloc(dev, sizeof(*frontend), GFP_KERNEL);  in sun4i_frontend_bind()
246 	if (!frontend)  in sun4i_frontend_bind()
249 	dev_set_drvdata(dev, frontend);  in sun4i_frontend_bind()
250 	frontend->dev = dev;  in sun4i_frontend_bind()
251 	frontend->node = dev->of_node;  in sun4i_frontend_bind()
258 	frontend->regs = devm_regmap_init_mmio(dev, regs,  in sun4i_frontend_bind()
260 	if (IS_ERR(frontend->regs)) {  in sun4i_frontend_bind()
262 		return PTR_ERR(frontend->regs);  in sun4i_frontend_bind()
265 	frontend->reset = devm_reset_control_get(dev, NULL);  in sun4i_frontend_bind()
266 	if (IS_ERR(frontend->reset)) {  in sun4i_frontend_bind()
268 		return PTR_ERR(frontend->reset);  in sun4i_frontend_bind()
271 	frontend->bus_clk = devm_clk_get(dev, "ahb");  in sun4i_frontend_bind()
272 	if (IS_ERR(frontend->bus_clk)) {  in sun4i_frontend_bind()
274 		return PTR_ERR(frontend->bus_clk);  in sun4i_frontend_bind()
277 	frontend->mod_clk = devm_clk_get(dev, "mod");  in sun4i_frontend_bind()
278 	if (IS_ERR(frontend->mod_clk)) {  in sun4i_frontend_bind()
280 		return PTR_ERR(frontend->mod_clk);  in sun4i_frontend_bind()
283 	frontend->ram_clk = devm_clk_get(dev, "ram");  in sun4i_frontend_bind()
284 	if (IS_ERR(frontend->ram_clk)) {  in sun4i_frontend_bind()
286 		return PTR_ERR(frontend->ram_clk);  in sun4i_frontend_bind()
289 	list_add_tail(&frontend->list, &drv->frontend_list);  in sun4i_frontend_bind()
298 	struct sun4i_frontend *frontend = dev_get_drvdata(dev);  in sun4i_frontend_unbind()  local
300 	list_del(&frontend->list);  in sun4i_frontend_unbind()
323 	struct sun4i_frontend *frontend = dev_get_drvdata(dev);  in sun4i_frontend_runtime_resume()  local
326 	clk_set_rate(frontend->mod_clk, 300000000);  in sun4i_frontend_runtime_resume()
328 	clk_prepare_enable(frontend->bus_clk);  in sun4i_frontend_runtime_resume()
329 	clk_prepare_enable(frontend->mod_clk);  in sun4i_frontend_runtime_resume()
330 	clk_prepare_enable(frontend->ram_clk);  in sun4i_frontend_runtime_resume()
332 	ret = reset_control_reset(frontend->reset);  in sun4i_frontend_runtime_resume()
338 	regmap_update_bits(frontend->regs, SUN4I_FRONTEND_EN_REG,  in sun4i_frontend_runtime_resume()
342 	regmap_update_bits(frontend->regs, SUN4I_FRONTEND_BYPASS_REG,  in sun4i_frontend_runtime_resume()
346 	sun4i_frontend_scaler_init(frontend);  in sun4i_frontend_runtime_resume()
353 	struct sun4i_frontend *frontend = dev_get_drvdata(dev);  in sun4i_frontend_runtime_suspend()  local
355 	clk_disable_unprepare(frontend->ram_clk);  in sun4i_frontend_runtime_suspend()
356 	clk_disable_unprepare(frontend->mod_clk);  in sun4i_frontend_runtime_suspend()
357 	clk_disable_unprepare(frontend->bus_clk);  in sun4i_frontend_runtime_suspend()
359 	reset_control_assert(frontend->reset);  in sun4i_frontend_runtime_suspend()