48 void mc13xxx_lock(struct mc13xxx *mc13xxx)  in mc13xxx_lock()  argument
50 	if (!mutex_trylock(&mc13xxx->lock)) {  in mc13xxx_lock()
51 		dev_dbg(mc13xxx->dev, "wait for %s from %ps\n",  in mc13xxx_lock()
54 		mutex_lock(&mc13xxx->lock);  in mc13xxx_lock()
56 	dev_dbg(mc13xxx->dev, "%s from %ps\n",  in mc13xxx_lock()
61 void mc13xxx_unlock(struct mc13xxx *mc13xxx)  in mc13xxx_unlock()  argument
63 	dev_dbg(mc13xxx->dev, "%s from %ps\n",  in mc13xxx_unlock()
65 	mutex_unlock(&mc13xxx->lock);  in mc13xxx_unlock()
69 int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val)  in mc13xxx_reg_read()  argument
73 	ret = regmap_read(mc13xxx->regmap, offset, val);  in mc13xxx_reg_read()
74 	dev_vdbg(mc13xxx->dev, "[0x%02x] -> 0x%06x\n", offset, *val);  in mc13xxx_reg_read()
80 int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val)  in mc13xxx_reg_write()  argument
82 	dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x\n", offset, val);  in mc13xxx_reg_write()
87 	return regmap_write(mc13xxx->regmap, offset, val);  in mc13xxx_reg_write()
91 int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,  in mc13xxx_reg_rmw()  argument
95 	dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x (mask: 0x%06x)\n",  in mc13xxx_reg_rmw()
98 	return regmap_update_bits(mc13xxx->regmap, offset, mask, val);  in mc13xxx_reg_rmw()
102 int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq)  in mc13xxx_irq_mask()  argument
104 	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);  in mc13xxx_irq_mask()
112 int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq)  in mc13xxx_irq_unmask()  argument
114 	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);  in mc13xxx_irq_unmask()
122 int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,  in mc13xxx_irq_status()  argument
130 	if (irq < 0 || irq >= ARRAY_SIZE(mc13xxx->irqs))  in mc13xxx_irq_status()
136 		ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);  in mc13xxx_irq_status()
146 		ret = mc13xxx_reg_read(mc13xxx, offstat, &stat);  in mc13xxx_irq_status()
157 int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,  in mc13xxx_irq_request()  argument
160 	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);  in mc13xxx_irq_request()
162 	return devm_request_threaded_irq(mc13xxx->dev, virq, NULL, handler,  in mc13xxx_irq_request()
167 int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev)  in mc13xxx_irq_free()  argument
169 	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);  in mc13xxx_irq_free()
171 	devm_free_irq(mc13xxx->dev, virq, dev);  in mc13xxx_irq_free()
178 static void mc13xxx_print_revision(struct mc13xxx *mc13xxx, u32 revision)  in mc13xxx_print_revision()  argument
180 	dev_info(mc13xxx->dev, "%s: rev: %d.%d, "  in mc13xxx_print_revision()
182 			mc13xxx->variant->name,  in mc13xxx_print_revision()
191 static void mc34708_print_revision(struct mc13xxx *mc13xxx, u32 revision)  in mc34708_print_revision()  argument
193 	dev_info(mc13xxx->dev, "%s: rev %d.%d, fin: %d, fab: %d\n",  in mc34708_print_revision()
194 			mc13xxx->variant->name,  in mc34708_print_revision()
220 static const char *mc13xxx_get_chipname(struct mc13xxx *mc13xxx)  in mc13xxx_get_chipname()  argument
222 	return mc13xxx->variant->name;  in mc13xxx_get_chipname()
225 int mc13xxx_get_flags(struct mc13xxx *mc13xxx)  in mc13xxx_get_flags()  argument
227 	return mc13xxx->flags;  in mc13xxx_get_flags()
237 	struct mc13xxx *mc13xxx;  member
252 int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,  in mc13xxx_adc_do_conversion()  argument
259 		.mc13xxx = mc13xxx,  in mc13xxx_adc_do_conversion()
263 	dev_dbg(mc13xxx->dev, "%s\n", __func__);  in mc13xxx_adc_do_conversion()
265 	mc13xxx_lock(mc13xxx);  in mc13xxx_adc_do_conversion()
267 	if (mc13xxx->adcflags & MC13XXX_ADC_WORKING) {  in mc13xxx_adc_do_conversion()
272 	mc13xxx->adcflags |= MC13XXX_ADC_WORKING;  in mc13xxx_adc_do_conversion()
274 	ret = mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0);  in mc13xxx_adc_do_conversion()
317 		mc13xxx_unlock(mc13xxx);  in mc13xxx_adc_do_conversion()
325 	dev_dbg(mc13xxx->dev, "%s: request irq\n", __func__);  in mc13xxx_adc_do_conversion()
326 	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,  in mc13xxx_adc_do_conversion()
331 	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0);  in mc13xxx_adc_do_conversion()
332 	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1);  in mc13xxx_adc_do_conversion()
334 	mc13xxx_unlock(mc13xxx);  in mc13xxx_adc_do_conversion()
341 	mc13xxx_lock(mc13xxx);  in mc13xxx_adc_do_conversion()
343 	mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_ADCDONE, &adcdone_data);  in mc13xxx_adc_do_conversion()
347 			ret = mc13xxx_reg_read(mc13xxx,  in mc13xxx_adc_do_conversion()
355 		mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, old_adc0);  in mc13xxx_adc_do_conversion()
357 	mc13xxx->adcflags &= ~MC13XXX_ADC_WORKING;  in mc13xxx_adc_do_conversion()
359 	mc13xxx_unlock(mc13xxx);  in mc13xxx_adc_do_conversion()
365 static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,  in mc13xxx_add_subdevice_pdata()  argument
369 	const char *name = mc13xxx_get_chipname(mc13xxx);  in mc13xxx_add_subdevice_pdata()
384 	return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0,  in mc13xxx_add_subdevice_pdata()
385 			       regmap_irq_get_domain(mc13xxx->irq_data));  in mc13xxx_add_subdevice_pdata()
388 static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format)  in mc13xxx_add_subdevice()  argument
390 	return mc13xxx_add_subdevice_pdata(mc13xxx, format, NULL, 0);  in mc13xxx_add_subdevice()
394 static int mc13xxx_probe_flags_dt(struct mc13xxx *mc13xxx)  in mc13xxx_probe_flags_dt()  argument
396 	struct device_node *np = mc13xxx->dev->of_node;  in mc13xxx_probe_flags_dt()
402 		mc13xxx->flags |= MC13XXX_USE_ADC;  in mc13xxx_probe_flags_dt()
405 		mc13xxx->flags |= MC13XXX_USE_CODEC;  in mc13xxx_probe_flags_dt()
408 		mc13xxx->flags |= MC13XXX_USE_RTC;  in mc13xxx_probe_flags_dt()
411 		mc13xxx->flags |= MC13XXX_USE_TOUCHSCREEN;  in mc13xxx_probe_flags_dt()
416 static inline int mc13xxx_probe_flags_dt(struct mc13xxx *mc13xxx)  in mc13xxx_probe_flags_dt()  argument
425 	struct mc13xxx *mc13xxx = dev_get_drvdata(dev);  in mc13xxx_common_init()  local
429 	mc13xxx->dev = dev;  in mc13xxx_common_init()
431 	ret = mc13xxx_reg_read(mc13xxx, MC13XXX_REVISION, &revision);  in mc13xxx_common_init()
435 	mc13xxx->variant->print_revision(mc13xxx, revision);  in mc13xxx_common_init()
437 	ret = mc13xxx_reg_rmw(mc13xxx, MC13XXX_PWRCTRL,  in mc13xxx_common_init()
442 	for (i = 0; i < ARRAY_SIZE(mc13xxx->irqs); i++) {  in mc13xxx_common_init()
443 		mc13xxx->irqs[i].reg_offset = i / MC13XXX_IRQ_PER_REG;  in mc13xxx_common_init()
444 		mc13xxx->irqs[i].mask = BIT(i % MC13XXX_IRQ_PER_REG);  in mc13xxx_common_init()
447 	mc13xxx->irq_chip.name = dev_name(dev);  in mc13xxx_common_init()
448 	mc13xxx->irq_chip.status_base = MC13XXX_IRQSTAT0;  in mc13xxx_common_init()
449 	mc13xxx->irq_chip.mask_base = MC13XXX_IRQMASK0;  in mc13xxx_common_init()
450 	mc13xxx->irq_chip.ack_base = MC13XXX_IRQSTAT0;  in mc13xxx_common_init()
451 	mc13xxx->irq_chip.irq_reg_stride = MC13XXX_IRQSTAT1 - MC13XXX_IRQSTAT0;  in mc13xxx_common_init()
452 	mc13xxx->irq_chip.init_ack_masked = true;  in mc13xxx_common_init()
453 	mc13xxx->irq_chip.use_ack = true;  in mc13xxx_common_init()
454 	mc13xxx->irq_chip.num_regs = MC13XXX_IRQ_REG_CNT;  in mc13xxx_common_init()
455 	mc13xxx->irq_chip.irqs = mc13xxx->irqs;  in mc13xxx_common_init()
456 	mc13xxx->irq_chip.num_irqs = ARRAY_SIZE(mc13xxx->irqs);  in mc13xxx_common_init()
458 	ret = regmap_add_irq_chip(mc13xxx->regmap, mc13xxx->irq, IRQF_ONESHOT,  in mc13xxx_common_init()
459 				  0, &mc13xxx->irq_chip, &mc13xxx->irq_data);  in mc13xxx_common_init()
463 	mutex_init(&mc13xxx->lock);  in mc13xxx_common_init()
465 	if (mc13xxx_probe_flags_dt(mc13xxx) < 0 && pdata)  in mc13xxx_common_init()
466 		mc13xxx->flags = pdata->flags;  in mc13xxx_common_init()
469 		mc13xxx_add_subdevice_pdata(mc13xxx, "%s-regulator",  in mc13xxx_common_init()
471 		mc13xxx_add_subdevice_pdata(mc13xxx, "%s-led",  in mc13xxx_common_init()
473 		mc13xxx_add_subdevice_pdata(mc13xxx, "%s-pwrbutton",  in mc13xxx_common_init()
475 		if (mc13xxx->flags & MC13XXX_USE_CODEC)  in mc13xxx_common_init()
476 			mc13xxx_add_subdevice_pdata(mc13xxx, "%s-codec",  in mc13xxx_common_init()
478 		if (mc13xxx->flags & MC13XXX_USE_TOUCHSCREEN)  in mc13xxx_common_init()
479 			mc13xxx_add_subdevice_pdata(mc13xxx, "%s-ts",  in mc13xxx_common_init()
482 		mc13xxx_add_subdevice(mc13xxx, "%s-regulator");  in mc13xxx_common_init()
483 		mc13xxx_add_subdevice(mc13xxx, "%s-led");  in mc13xxx_common_init()
484 		mc13xxx_add_subdevice(mc13xxx, "%s-pwrbutton");  in mc13xxx_common_init()
485 		if (mc13xxx->flags & MC13XXX_USE_CODEC)  in mc13xxx_common_init()
486 			mc13xxx_add_subdevice(mc13xxx, "%s-codec");  in mc13xxx_common_init()
487 		if (mc13xxx->flags & MC13XXX_USE_TOUCHSCREEN)  in mc13xxx_common_init()
488 			mc13xxx_add_subdevice(mc13xxx, "%s-ts");  in mc13xxx_common_init()
491 	if (mc13xxx->flags & MC13XXX_USE_ADC)  in mc13xxx_common_init()
492 		mc13xxx_add_subdevice(mc13xxx, "%s-adc");  in mc13xxx_common_init()
494 	if (mc13xxx->flags & MC13XXX_USE_RTC)  in mc13xxx_common_init()
495 		mc13xxx_add_subdevice(mc13xxx, "%s-rtc");  in mc13xxx_common_init()
503 	struct mc13xxx *mc13xxx = dev_get_drvdata(dev);  in mc13xxx_common_exit()  local
506 	regmap_del_irq_chip(mc13xxx->irq, mc13xxx->irq_data);  in mc13xxx_common_exit()
507 	mutex_destroy(&mc13xxx->lock);  in mc13xxx_common_exit()