Cross Reference: /drivers/clocksource/mtk

Lines Matching refs:evt
68 static void mtk_clkevt_time_stop(struct mtk_clock_event_device *evt, u8 timer)
72 	val = readl(evt->gpt_base + TIMER_CTRL_REG(timer));
73 	writel(val & ~TIMER_CTRL_ENABLE, evt->gpt_base +
77 static void mtk_clkevt_time_setup(struct mtk_clock_event_device *evt,
80 	writel(delay, evt->gpt_base + TIMER_CMP_REG(timer));
83 static void mtk_clkevt_time_start(struct mtk_clock_event_device *evt,
89 	writel(GPT_IRQ_ACK(timer), evt->gpt_base + GPT_IRQ_ACK_REG);
91 	val = readl(evt->gpt_base + TIMER_CTRL_REG(timer));
102 	       evt->gpt_base + TIMER_CTRL_REG(timer));
108 	struct mtk_clock_event_device *evt = to_mtk_clk(clk);
110 	mtk_clkevt_time_stop(evt, GPT_CLK_EVT);
114 		mtk_clkevt_time_setup(evt, evt->ticks_per_jiffy, GPT_CLK_EVT);
115 		mtk_clkevt_time_start(evt, true, GPT_CLK_EVT);
131 	struct mtk_clock_event_device *evt = to_mtk_clk(clk);
133 	mtk_clkevt_time_stop(evt, GPT_CLK_EVT);
134 	mtk_clkevt_time_setup(evt, event, GPT_CLK_EVT);
135 	mtk_clkevt_time_start(evt, false, GPT_CLK_EVT);
142 	struct mtk_clock_event_device *evt = dev_id;
145 	writel(GPT_IRQ_ACK(GPT_CLK_EVT), evt->gpt_base + GPT_IRQ_ACK_REG);
146 	evt->dev.event_handler(&evt->dev);
151 static void mtk_timer_global_reset(struct mtk_clock_event_device *evt)
154 	writel(0x0, evt->gpt_base + GPT_IRQ_EN_REG);
156 	writel(0x3f, evt->gpt_base + GPT_IRQ_ACK_REG);
160 mtk_timer_setup(struct mtk_clock_event_device *evt, u8 timer, u8 option)
163 		evt->gpt_base + TIMER_CTRL_REG(timer));
166 			evt->gpt_base + TIMER_CLK_REG(timer));
168 	writel(0x0, evt->gpt_base + TIMER_CMP_REG(timer));
171 			evt->gpt_base + TIMER_CTRL_REG(timer));
174 static void mtk_timer_enable_irq(struct mtk_clock_event_device *evt, u8 timer)
178 	val = readl(evt->gpt_base + GPT_IRQ_EN_REG);
180 			evt->gpt_base + GPT_IRQ_EN_REG);
185 	struct mtk_clock_event_device *evt;
190 	evt = kzalloc(sizeof(*evt), GFP_KERNEL);
191 	if (!evt) {
196 	evt->dev.name = "mtk_tick";
197 	evt->dev.rating = 300;
198 	evt->dev.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
199 	evt->dev.set_mode = mtk_clkevt_mode;
200 	evt->dev.set_next_event = mtk_clkevt_next_event;
201 	evt->dev.cpumask = cpu_possible_mask;
203 	evt->gpt_base = of_io_request_and_map(node, 0, "mtk-timer");
204 	if (IS_ERR(evt->gpt_base)) {
209 	evt->dev.irq = irq_of_parse_and_map(node, 0);
210 	if (evt->dev.irq <= 0) {
227 	if (request_irq(evt->dev.irq, mtk_timer_interrupt,
228 			IRQF_TIMER | IRQF_IRQPOLL, "mtk_timer", evt)) {
229 		pr_warn("failed to setup irq %d\n", evt->dev.irq);
233 	evt->ticks_per_jiffy = DIV_ROUND_UP(rate, HZ);
235 	mtk_timer_global_reset(evt);
238 	mtk_timer_setup(evt, GPT_CLK_SRC, TIMER_CTRL_OP_FREERUN);
239 	clocksource_mmio_init(evt->gpt_base + TIMER_CNT_REG(GPT_CLK_SRC),
243 	mtk_timer_setup(evt, GPT_CLK_EVT, TIMER_CTRL_OP_REPEAT);
244 	mtk_timer_enable_irq(evt, GPT_CLK_EVT);
246 	clockevents_config_and_register(&evt->dev, rate, 0x3,
255 	irq_dispose_mapping(evt->dev.irq);
257 	iounmap(evt->gpt_base);