29 static int sh_pfc_map_resources(struct sh_pfc *pfc,  in sh_pfc_map_resources()  argument
56 	windows = devm_kzalloc(pfc->dev, num_windows * sizeof(*windows),  in sh_pfc_map_resources()
61 	pfc->num_windows = num_windows;  in sh_pfc_map_resources()
62 	pfc->windows = windows;  in sh_pfc_map_resources()
65 		irqs = devm_kzalloc(pfc->dev, num_irqs * sizeof(*irqs),  in sh_pfc_map_resources()
70 		pfc->num_irqs = num_irqs;  in sh_pfc_map_resources()
71 		pfc->irqs = irqs;  in sh_pfc_map_resources()
80 			windows->virt = devm_ioremap_resource(pfc->dev, res);  in sh_pfc_map_resources()
95 static void __iomem *sh_pfc_phys_to_virt(struct sh_pfc *pfc, u32 reg)  in sh_pfc_phys_to_virt()  argument
102 	for (i = 0; i < pfc->num_windows; i++) {  in sh_pfc_phys_to_virt()
103 		window = pfc->windows + i;  in sh_pfc_phys_to_virt()
118 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin)  in sh_pfc_get_pin_index()  argument
123 	for (i = 0, offset = 0; i < pfc->nr_ranges; ++i) {  in sh_pfc_get_pin_index()
124 		const struct sh_pfc_pin_range *range = &pfc->ranges[i];  in sh_pfc_get_pin_index()
180 static void sh_pfc_config_reg_helper(struct sh_pfc *pfc,  in sh_pfc_config_reg_helper()  argument
188 	*mapped_regp = sh_pfc_phys_to_virt(pfc, crp->reg);  in sh_pfc_config_reg_helper()
201 static void sh_pfc_write_config_reg(struct sh_pfc *pfc,  in sh_pfc_write_config_reg()  argument
209 	sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);  in sh_pfc_write_config_reg()
211 	dev_dbg(pfc->dev, "write_reg addr = %x, value = 0x%x, field = %u, "  in sh_pfc_write_config_reg()
222 	if (pfc->info->unlock_reg)  in sh_pfc_write_config_reg()
224 			sh_pfc_phys_to_virt(pfc, pfc->info->unlock_reg), 32,  in sh_pfc_write_config_reg()
230 static int sh_pfc_get_config_reg(struct sh_pfc *pfc, u16 enum_id,  in sh_pfc_get_config_reg()  argument
238 			pfc->info->cfg_regs + k;  in sh_pfc_get_config_reg()
276 static int sh_pfc_mark_to_enum(struct sh_pfc *pfc, u16 mark, int pos,  in sh_pfc_mark_to_enum()  argument
279 	const u16 *data = pfc->info->gpio_data;  in sh_pfc_mark_to_enum()
287 	for (k = 0; k < pfc->info->gpio_data_size; k++) {  in sh_pfc_mark_to_enum()
294 	dev_err(pfc->dev, "cannot locate data/mark enum_id for mark %d\n",  in sh_pfc_mark_to_enum()
299 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type)  in sh_pfc_config_mux()  argument
311 		range = &pfc->info->output;  in sh_pfc_config_mux()
315 		range = &pfc->info->input;  in sh_pfc_config_mux()
331 		pos = sh_pfc_mark_to_enum(pfc, mark, pos, &enum_id);  in sh_pfc_config_mux()
342 		in_range = sh_pfc_enum_in_range(enum_id, &pfc->info->function);  in sh_pfc_config_mux()
369 		ret = sh_pfc_get_config_reg(pfc, enum_id, &cr, &field, &value);  in sh_pfc_config_mux()
373 		sh_pfc_write_config_reg(pfc, cr, field, value);  in sh_pfc_config_mux()
379 static int sh_pfc_init_ranges(struct sh_pfc *pfc)  in sh_pfc_init_ranges()  argument
385 	if (pfc->info->pins[0].pin == (u16)-1) {  in sh_pfc_init_ranges()
390 		pfc->nr_ranges = 1;  in sh_pfc_init_ranges()
391 		pfc->ranges = devm_kzalloc(pfc->dev, sizeof(*pfc->ranges),  in sh_pfc_init_ranges()
393 		if (pfc->ranges == NULL)  in sh_pfc_init_ranges()
396 		pfc->ranges->start = 0;  in sh_pfc_init_ranges()
397 		pfc->ranges->end = pfc->info->nr_pins - 1;  in sh_pfc_init_ranges()
398 		pfc->nr_gpio_pins = pfc->info->nr_pins;  in sh_pfc_init_ranges()
407 	for (i = 1, nr_ranges = 1; i < pfc->info->nr_pins; ++i) {  in sh_pfc_init_ranges()
408 		if (pfc->info->pins[i-1].pin != pfc->info->pins[i].pin - 1)  in sh_pfc_init_ranges()
412 	pfc->nr_ranges = nr_ranges;  in sh_pfc_init_ranges()
413 	pfc->ranges = devm_kzalloc(pfc->dev, sizeof(*pfc->ranges) * nr_ranges,  in sh_pfc_init_ranges()
415 	if (pfc->ranges == NULL)  in sh_pfc_init_ranges()
418 	range = pfc->ranges;  in sh_pfc_init_ranges()
419 	range->start = pfc->info->pins[0].pin;  in sh_pfc_init_ranges()
421 	for (i = 1; i < pfc->info->nr_pins; ++i) {  in sh_pfc_init_ranges()
422 		if (pfc->info->pins[i-1].pin == pfc->info->pins[i].pin - 1)  in sh_pfc_init_ranges()
425 		range->end = pfc->info->pins[i-1].pin;  in sh_pfc_init_ranges()
426 		if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO))  in sh_pfc_init_ranges()
427 			pfc->nr_gpio_pins = range->end + 1;  in sh_pfc_init_ranges()
430 		range->start = pfc->info->pins[i].pin;  in sh_pfc_init_ranges()
433 	range->end = pfc->info->pins[i-1].pin;  in sh_pfc_init_ranges()
434 	if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO))  in sh_pfc_init_ranges()
435 		pfc->nr_gpio_pins = range->end + 1;  in sh_pfc_init_ranges()
502 	struct sh_pfc *pfc;  in sh_pfc_probe()  local
515 	pfc = devm_kzalloc(&pdev->dev, sizeof(*pfc), GFP_KERNEL);  in sh_pfc_probe()
516 	if (pfc == NULL)  in sh_pfc_probe()
519 	pfc->info = info;  in sh_pfc_probe()
520 	pfc->dev = &pdev->dev;  in sh_pfc_probe()
522 	ret = sh_pfc_map_resources(pfc, pdev);  in sh_pfc_probe()
526 	spin_lock_init(&pfc->lock);  in sh_pfc_probe()
529 		ret = info->ops->init(pfc);  in sh_pfc_probe()
536 	ret = sh_pfc_init_ranges(pfc);  in sh_pfc_probe()
543 	ret = sh_pfc_register_pinctrl(pfc);  in sh_pfc_probe()
551 	ret = sh_pfc_register_gpiochip(pfc);  in sh_pfc_probe()
558 		dev_notice(pfc->dev, "failed to init GPIO chip, ignoring...\n");  in sh_pfc_probe()
562 	platform_set_drvdata(pdev, pfc);  in sh_pfc_probe()
564 	dev_info(pfc->dev, "%s support registered\n", info->name);  in sh_pfc_probe()
571 	struct sh_pfc *pfc = platform_get_drvdata(pdev);  in sh_pfc_remove()  local
574 	sh_pfc_unregister_gpiochip(pfc);  in sh_pfc_remove()
576 	sh_pfc_unregister_pinctrl(pfc);  in sh_pfc_remove()