65 static void meson_ir_set_mask(struct meson_ir *ir, unsigned int reg,  in meson_ir_set_mask()  argument
70 	data = readl(ir->reg + reg);  in meson_ir_set_mask()
73 	writel(data, ir->reg + reg);  in meson_ir_set_mask()
78 	struct meson_ir *ir = dev_id;  in meson_ir_irq()  local
82 	spin_lock(&ir->lock);  in meson_ir_irq()
84 	duration = readl(ir->reg + IR_DEC_REG1);  in meson_ir_irq()
88 	rawir.pulse = !!(readl(ir->reg + IR_DEC_STATUS) & STATUS_IR_DEC_IN);  in meson_ir_irq()
90 	ir_raw_event_store_with_filter(ir->rc, &rawir);  in meson_ir_irq()
91 	ir_raw_event_handle(ir->rc);  in meson_ir_irq()
93 	spin_unlock(&ir->lock);  in meson_ir_irq()
104 	struct meson_ir *ir;  in meson_ir_probe()  local
107 	ir = devm_kzalloc(dev, sizeof(struct meson_ir), GFP_KERNEL);  in meson_ir_probe()
108 	if (!ir)  in meson_ir_probe()
112 	ir->reg = devm_ioremap_resource(dev, res);  in meson_ir_probe()
113 	if (IS_ERR(ir->reg)) {  in meson_ir_probe()
115 		return PTR_ERR(ir->reg);  in meson_ir_probe()
118 	ir->irq = platform_get_irq(pdev, 0);  in meson_ir_probe()
119 	if (ir->irq < 0) {  in meson_ir_probe()
121 		return ir->irq;  in meson_ir_probe()
124 	ir->rc = rc_allocate_device();  in meson_ir_probe()
125 	if (!ir->rc) {  in meson_ir_probe()
130 	ir->rc->priv = ir;  in meson_ir_probe()
131 	ir->rc->input_name = DRIVER_NAME;  in meson_ir_probe()
132 	ir->rc->input_phys = DRIVER_NAME "/input0";  in meson_ir_probe()
133 	ir->rc->input_id.bustype = BUS_HOST;  in meson_ir_probe()
135 	ir->rc->map_name = map_name ? map_name : RC_MAP_EMPTY;  in meson_ir_probe()
136 	ir->rc->dev.parent = dev;  in meson_ir_probe()
137 	ir->rc->driver_type = RC_DRIVER_IR_RAW;  in meson_ir_probe()
138 	ir->rc->allowed_protocols = RC_BIT_ALL;  in meson_ir_probe()
139 	ir->rc->rx_resolution = US_TO_NS(MESON_TRATE);  in meson_ir_probe()
140 	ir->rc->timeout = MS_TO_NS(200);  in meson_ir_probe()
141 	ir->rc->driver_name = DRIVER_NAME;  in meson_ir_probe()
143 	spin_lock_init(&ir->lock);  in meson_ir_probe()
144 	platform_set_drvdata(pdev, ir);  in meson_ir_probe()
146 	ret = rc_register_device(ir->rc);  in meson_ir_probe()
152 	ret = devm_request_irq(dev, ir->irq, meson_ir_irq, 0, "ir-meson", ir);  in meson_ir_probe()
159 	meson_ir_set_mask(ir, IR_DEC_REG1, REG1_RESET, REG1_RESET);  in meson_ir_probe()
160 	meson_ir_set_mask(ir, IR_DEC_REG1, REG1_RESET, 0);  in meson_ir_probe()
162 	meson_ir_set_mask(ir, IR_DEC_REG1, REG1_MODE_MASK, REG1_MODE_GENERAL);  in meson_ir_probe()
164 	meson_ir_set_mask(ir, IR_DEC_REG0, REG0_RATE_MASK, MESON_TRATE - 1);  in meson_ir_probe()
166 	meson_ir_set_mask(ir, IR_DEC_REG1, REG1_IRQSEL_MASK,  in meson_ir_probe()
169 	meson_ir_set_mask(ir, IR_DEC_REG1, REG1_ENABLE, REG1_ENABLE);  in meson_ir_probe()
175 	rc_unregister_device(ir->rc);  in meson_ir_probe()
176 	ir->rc = NULL;  in meson_ir_probe()
178 	rc_free_device(ir->rc);  in meson_ir_probe()
185 	struct meson_ir *ir = platform_get_drvdata(pdev);  in meson_ir_remove()  local
189 	spin_lock_irqsave(&ir->lock, flags);  in meson_ir_remove()
190 	meson_ir_set_mask(ir, IR_DEC_REG1, REG1_ENABLE, 0);  in meson_ir_remove()
191 	spin_unlock_irqrestore(&ir->lock, flags);  in meson_ir_remove()
193 	rc_unregister_device(ir->rc);  in meson_ir_remove()