17 #include <media/rc-core.h>
19 #define DRIVER_NAME "tango-ir"
64 	v = readl_relaxed(ir->rc5_base + IR_NEC_DATA);  in tango_ir_handle_nec()
66 		rc_repeat(ir->rc);  in tango_ir_handle_nec()
71 	rc_keydown(ir->rc, proto, code, 0);  in tango_ir_handle_nec()
78 	data = readl_relaxed(ir->rc5_base + IR_RC5_DATA);  in tango_ir_handle_rc5()
88 	rc_keydown(ir->rc, RC_PROTO_RC5, code, toggle);  in tango_ir_handle_rc5()
95 	data0 = readl_relaxed(ir->rc6_base + RC6_DATA0);  in tango_ir_handle_rc6()
96 	data1 = readl_relaxed(ir->rc6_base + RC6_DATA1);  in tango_ir_handle_rc6()
107 	rc_keydown(ir->rc, RC_PROTO_RC6_0, code, toggle);  in tango_ir_handle_rc6()
116 	rc5_stat = readl_relaxed(ir->rc5_base + IR_INT);  in tango_ir_irq()
117 	writel_relaxed(rc5_stat, ir->rc5_base + IR_INT);  in tango_ir_irq()
119 	rc6_stat = readl_relaxed(ir->rc6_base + RC6_CTRL);  in tango_ir_irq()
120 	writel_relaxed(rc6_stat, ir->rc6_base + RC6_CTRL);  in tango_ir_irq()
139 	struct tango_ir *ir = dev->priv;  in tango_change_protocol()
152 	writel_relaxed(rc5_ctrl, ir->rc5_base + IR_CTRL);  in tango_change_protocol()
153 	writel_relaxed(rc6_ctrl, ir->rc6_base + RC6_CTRL);  in tango_change_protocol()
161 	struct device *dev = &pdev->dev;  in tango_ir_probe()
166 	u64 clkrate, clkdiv;  in tango_ir_probe()  local
172 		return -EINVAL;  in tango_ir_probe()
176 		return -EINVAL;  in tango_ir_probe()
180 		return -EINVAL;  in tango_ir_probe()
184 		return -ENOMEM;  in tango_ir_probe()
186 	ir->rc5_base = devm_ioremap_resource(dev, rc5_res);  in tango_ir_probe()
187 	if (IS_ERR(ir->rc5_base))  in tango_ir_probe()
188 		return PTR_ERR(ir->rc5_base);  in tango_ir_probe()
190 	ir->rc6_base = devm_ioremap_resource(dev, rc6_res);  in tango_ir_probe()
191 	if (IS_ERR(ir->rc6_base))  in tango_ir_probe()
192 		return PTR_ERR(ir->rc6_base);  in tango_ir_probe()
194 	ir->clk = devm_clk_get(dev, NULL);  in tango_ir_probe()
195 	if (IS_ERR(ir->clk))  in tango_ir_probe()
196 		return PTR_ERR(ir->clk);  in tango_ir_probe()
200 		return -ENOMEM;  in tango_ir_probe()
202 	of_property_read_string(dev->of_node, "linux,rc-map-name", &map_name);  in tango_ir_probe()
204 	rc->device_name = DRIVER_NAME;  in tango_ir_probe()
205 	rc->driver_name = DRIVER_NAME;  in tango_ir_probe()
206 	rc->input_phys = DRIVER_NAME "/input0";  in tango_ir_probe()
207 	rc->map_name = map_name;  in tango_ir_probe()
208 	rc->allowed_protocols = NEC_ANY | RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC6_0;  in tango_ir_probe()
209 	rc->change_protocol = tango_change_protocol;  in tango_ir_probe()
210 	rc->priv = ir;  in tango_ir_probe()
211 	ir->rc = rc;  in tango_ir_probe()
213 	err = clk_prepare_enable(ir->clk);  in tango_ir_probe()
217 	clkrate = clk_get_rate(ir->clk);  in tango_ir_probe()
219 	clkdiv = clkrate * NEC_TIME_BASE;  in tango_ir_probe()
220 	do_div(clkdiv, 1000000);  in tango_ir_probe()
222 	val = NEC_CAP(31) | GPIO_SEL(12) | clkdiv;  in tango_ir_probe()
223 	writel_relaxed(val, ir->rc5_base + IR_NEC_CTRL);  in tango_ir_probe()
225 	clkdiv = clkrate * RC5_TIME_BASE;  in tango_ir_probe()
226 	do_div(clkdiv, 1000000);  in tango_ir_probe()
228 	writel_relaxed(DISABLE_NEC, ir->rc5_base + IR_CTRL);  in tango_ir_probe()
229 	writel_relaxed(clkdiv, ir->rc5_base + IR_RC5_CLK_DIV);  in tango_ir_probe()
230 	writel_relaxed(ACK_IR_INT, ir->rc5_base + IR_INT);  in tango_ir_probe()
232 	clkdiv = clkrate * RC6_TIME_BASE;  in tango_ir_probe()
233 	do_div(clkdiv, RC6_CARRIER);  in tango_ir_probe()
235 	writel_relaxed(ACK_RC6_INT, ir->rc6_base + RC6_CTRL);  in tango_ir_probe()
236 	writel_relaxed((clkdiv >> 2) << 18 | clkdiv, ir->rc6_base + RC6_CLKDIV);  in tango_ir_probe()
251 	clk_disable_unprepare(ir->clk);  in tango_ir_probe()
259 	clk_disable_unprepare(ir->clk);  in tango_ir_remove()
264 	{ .compatible = "sigma,smp8642-ir" },