Lines Matching refs:tmu
43 struct sh_tmu_device *tmu; member
93 switch (ch->tmu->model) { in sh_tmu_read()
95 return ioread8(ch->tmu->mapbase + 2); in sh_tmu_read()
97 return ioread8(ch->tmu->mapbase + 4); in sh_tmu_read()
115 switch (ch->tmu->model) { in sh_tmu_write()
117 return iowrite8(value, ch->tmu->mapbase + 2); in sh_tmu_write()
119 return iowrite8(value, ch->tmu->mapbase + 4); in sh_tmu_write()
136 raw_spin_lock_irqsave(&ch->tmu->lock, flags); in sh_tmu_start_stop_ch()
145 raw_spin_unlock_irqrestore(&ch->tmu->lock, flags); in sh_tmu_start_stop_ch()
153 ret = clk_enable(ch->tmu->clk); in __sh_tmu_enable()
155 dev_err(&ch->tmu->pdev->dev, "ch%u: cannot enable clock\n", in __sh_tmu_enable()
168 ch->rate = clk_get_rate(ch->tmu->clk) / 4; in __sh_tmu_enable()
182 pm_runtime_get_sync(&ch->tmu->pdev->dev); in sh_tmu_enable()
183 dev_pm_syscore_device(&ch->tmu->pdev->dev, true); in sh_tmu_enable()
197 clk_disable(ch->tmu->clk); in __sh_tmu_disable()
210 dev_pm_syscore_device(&ch->tmu->pdev->dev, false); in sh_tmu_disable()
211 pm_runtime_put(&ch->tmu->pdev->dev); in sh_tmu_disable()
302 pm_genpd_syscore_poweroff(&ch->tmu->pdev->dev); in sh_tmu_clocksource_suspend()
314 pm_genpd_syscore_poweron(&ch->tmu->pdev->dev); in sh_tmu_clocksource_resume()
334 dev_info(&ch->tmu->pdev->dev, "ch%u: used as clock source\n", in sh_tmu_register_clocksource()
379 dev_info(&ch->tmu->pdev->dev, "ch%u: used for %s clock events\n", in sh_tmu_clock_event_set_state()
409 pm_genpd_syscore_poweroff(&ced_to_sh_tmu(ced)->tmu->pdev->dev); in sh_tmu_clock_event_suspend()
414 pm_genpd_syscore_poweron(&ced_to_sh_tmu(ced)->tmu->pdev->dev); in sh_tmu_clock_event_resume()
435 dev_info(&ch->tmu->pdev->dev, "ch%u: used for clock events\n", in sh_tmu_register_clockevent()
442 dev_name(&ch->tmu->pdev->dev), ch); in sh_tmu_register_clockevent()
444 dev_err(&ch->tmu->pdev->dev, "ch%u: failed to request irq %d\n", in sh_tmu_register_clockevent()
454 ch->tmu->has_clockevent = true; in sh_tmu_register()
457 ch->tmu->has_clocksource = true; in sh_tmu_register()
466 struct sh_tmu_device *tmu) in sh_tmu_channel_setup() argument
472 ch->tmu = tmu; in sh_tmu_channel_setup()
475 if (tmu->model == SH_TMU_SH3) in sh_tmu_channel_setup()
476 ch->base = tmu->mapbase + 4 + ch->index * 12; in sh_tmu_channel_setup()
478 ch->base = tmu->mapbase + 8 + ch->index * 12; in sh_tmu_channel_setup()
480 ch->irq = platform_get_irq(tmu->pdev, index); in sh_tmu_channel_setup()
482 dev_err(&tmu->pdev->dev, "ch%u: failed to get irq\n", in sh_tmu_channel_setup()
490 return sh_tmu_register(ch, dev_name(&tmu->pdev->dev), in sh_tmu_channel_setup()
494 static int sh_tmu_map_memory(struct sh_tmu_device *tmu) in sh_tmu_map_memory() argument
498 res = platform_get_resource(tmu->pdev, IORESOURCE_MEM, 0); in sh_tmu_map_memory()
500 dev_err(&tmu->pdev->dev, "failed to get I/O memory\n"); in sh_tmu_map_memory()
504 tmu->mapbase = ioremap_nocache(res->start, resource_size(res)); in sh_tmu_map_memory()
505 if (tmu->mapbase == NULL) in sh_tmu_map_memory()
511 static int sh_tmu_parse_dt(struct sh_tmu_device *tmu) in sh_tmu_parse_dt() argument
513 struct device_node *np = tmu->pdev->dev.of_node; in sh_tmu_parse_dt()
515 tmu->model = SH_TMU; in sh_tmu_parse_dt()
516 tmu->num_channels = 3; in sh_tmu_parse_dt()
518 of_property_read_u32(np, "#renesas,channels", &tmu->num_channels); in sh_tmu_parse_dt()
520 if (tmu->num_channels != 2 && tmu->num_channels != 3) { in sh_tmu_parse_dt()
521 dev_err(&tmu->pdev->dev, "invalid number of channels %u\n", in sh_tmu_parse_dt()
522 tmu->num_channels); in sh_tmu_parse_dt()
529 static int sh_tmu_setup(struct sh_tmu_device *tmu, struct platform_device *pdev) in sh_tmu_setup() argument
534 tmu->pdev = pdev; in sh_tmu_setup()
536 raw_spin_lock_init(&tmu->lock); in sh_tmu_setup()
539 ret = sh_tmu_parse_dt(tmu); in sh_tmu_setup()
546 tmu->model = id->driver_data; in sh_tmu_setup()
547 tmu->num_channels = hweight8(cfg->channels_mask); in sh_tmu_setup()
549 dev_err(&tmu->pdev->dev, "missing platform data\n"); in sh_tmu_setup()
554 tmu->clk = clk_get(&tmu->pdev->dev, "fck"); in sh_tmu_setup()
555 if (IS_ERR(tmu->clk)) { in sh_tmu_setup()
556 dev_err(&tmu->pdev->dev, "cannot get clock\n"); in sh_tmu_setup()
557 return PTR_ERR(tmu->clk); in sh_tmu_setup()
560 ret = clk_prepare(tmu->clk); in sh_tmu_setup()
565 ret = sh_tmu_map_memory(tmu); in sh_tmu_setup()
567 dev_err(&tmu->pdev->dev, "failed to remap I/O memory\n"); in sh_tmu_setup()
572 tmu->channels = kzalloc(sizeof(*tmu->channels) * tmu->num_channels, in sh_tmu_setup()
574 if (tmu->channels == NULL) { in sh_tmu_setup()
583 for (i = 0; i < tmu->num_channels; ++i) { in sh_tmu_setup()
584 ret = sh_tmu_channel_setup(&tmu->channels[i], i, in sh_tmu_setup()
585 i == 0, i == 1, tmu); in sh_tmu_setup()
590 platform_set_drvdata(pdev, tmu); in sh_tmu_setup()
595 kfree(tmu->channels); in sh_tmu_setup()
596 iounmap(tmu->mapbase); in sh_tmu_setup()
598 clk_unprepare(tmu->clk); in sh_tmu_setup()
600 clk_put(tmu->clk); in sh_tmu_setup()
606 struct sh_tmu_device *tmu = platform_get_drvdata(pdev); in sh_tmu_probe() local
614 if (tmu) { in sh_tmu_probe()
619 tmu = kzalloc(sizeof(*tmu), GFP_KERNEL); in sh_tmu_probe()
620 if (tmu == NULL) in sh_tmu_probe()
623 ret = sh_tmu_setup(tmu, pdev); in sh_tmu_probe()
625 kfree(tmu); in sh_tmu_probe()
633 if (tmu->has_clockevent || tmu->has_clocksource) in sh_tmu_probe()