4     integrated SOCs like the SA-11x0 and PXA2xx microprocessors.
71 		printk(KERN_DEBUG "skt%u: %s: %pV", skt->nr, func, &vaf);  in soc_pcmcia_debug()
89 	if (!r->reg)  in soc_pcmcia_regulator_set()
93 	if (r->on == on)  in soc_pcmcia_regulator_set()
97 		ret = regulator_set_voltage(r->reg, v * 100000, v * 100000);  in soc_pcmcia_regulator_set()
99 			int vout = regulator_get_voltage(r->reg) / 100000;  in soc_pcmcia_regulator_set()
101 			dev_warn(&skt->socket.dev,  in soc_pcmcia_regulator_set()
103 				 r == &skt->vcc ? "Vcc" : "Vpp",  in soc_pcmcia_regulator_set()
107 		ret = regulator_enable(r->reg);  in soc_pcmcia_regulator_set()
109 		ret = regulator_disable(r->reg);  in soc_pcmcia_regulator_set()
112 		r->on = on;  in soc_pcmcia_regulator_set()
136 	timing->io =  in soc_common_pcmcia_get_timing()
137 		calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS);  in soc_common_pcmcia_get_timing()
138 	timing->mem =  in soc_common_pcmcia_get_timing()
139 		calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);  in soc_common_pcmcia_get_timing()
140 	timing->attr =  in soc_common_pcmcia_get_timing()
141 		calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);  in soc_common_pcmcia_get_timing()
151 		if (skt->stat[i].irq)  in __soc_pcmcia_hw_shutdown()
152 			free_irq(skt->stat[i].irq, skt);  in __soc_pcmcia_hw_shutdown()
154 	if (skt->ops->hw_shutdown)  in __soc_pcmcia_hw_shutdown()
155 		skt->ops->hw_shutdown(skt);  in __soc_pcmcia_hw_shutdown()
157 	clk_disable_unprepare(skt->clk);  in __soc_pcmcia_hw_shutdown()
162 	__soc_pcmcia_hw_shutdown(skt, ARRAY_SIZE(skt->stat));  in soc_pcmcia_hw_shutdown()
167 	struct device *dev = skt->socket.dev.parent;  in soc_pcmcia_request_gpiods()
171 	for (i = 0; i < ARRAY_SIZE(skt->stat); i++) {  in soc_pcmcia_request_gpiods()
172 		if (!skt->stat[i].name)  in soc_pcmcia_request_gpiods()
175 		desc = devm_gpiod_get(dev, skt->stat[i].name, GPIOD_IN);  in soc_pcmcia_request_gpiods()
178 				skt->stat[i].name, PTR_ERR(desc));  in soc_pcmcia_request_gpiods()
182 		skt->stat[i].desc = desc;  in soc_pcmcia_request_gpiods()
193 	ret = clk_prepare_enable(skt->clk);  in soc_pcmcia_hw_init()
197 	if (skt->ops->hw_init) {  in soc_pcmcia_hw_init()
198 		ret = skt->ops->hw_init(skt);  in soc_pcmcia_hw_init()
200 			clk_disable_unprepare(skt->clk);  in soc_pcmcia_hw_init()
205 	for (i = 0; i < ARRAY_SIZE(skt->stat); i++) {  in soc_pcmcia_hw_init()
206 		if (gpio_is_valid(skt->stat[i].gpio)) {  in soc_pcmcia_hw_init()
213 			ret = devm_gpio_request_one(skt->socket.dev.parent,  in soc_pcmcia_hw_init()
214 						    skt->stat[i].gpio, flags,  in soc_pcmcia_hw_init()
215 						    skt->stat[i].name);  in soc_pcmcia_hw_init()
221 			skt->stat[i].desc = gpio_to_desc(skt->stat[i].gpio);  in soc_pcmcia_hw_init()
224 		if (i < SOC_STAT_VS1 && skt->stat[i].desc) {  in soc_pcmcia_hw_init()
225 			int irq = gpiod_to_irq(skt->stat[i].desc);  in soc_pcmcia_hw_init()
229 					skt->socket.pci_irq = irq;  in soc_pcmcia_hw_init()
231 					skt->stat[i].irq = irq;  in soc_pcmcia_hw_init()
235 		if (skt->stat[i].irq) {  in soc_pcmcia_hw_init()
236 			ret = request_irq(skt->stat[i].irq,  in soc_pcmcia_hw_init()
239 					  skt->stat[i].name, skt);  in soc_pcmcia_hw_init()
254 	for (i = 0; i < ARRAY_SIZE(skt->stat); i++)  in soc_pcmcia_hw_enable()
255 		if (skt->stat[i].irq) {  in soc_pcmcia_hw_enable()
256 			irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_RISING);  in soc_pcmcia_hw_enable()
257 			irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_EDGE_BOTH);  in soc_pcmcia_hw_enable()
265 	for (i = 0; i < ARRAY_SIZE(skt->stat); i++)  in soc_pcmcia_hw_disable()
266 		if (skt->stat[i].irq)  in soc_pcmcia_hw_disable()
267 			irq_set_irq_type(skt->stat[i].irq, IRQ_TYPE_NONE);  in soc_pcmcia_hw_disable()
271  * The CF 3.0 specification says that cards tie VS1 to ground and leave
273  * provide hard-coded values as per the CF 3.0 spec.
278 	state->vs_3v = 1;  in soc_common_cf_socket_state()
293 	if (skt->stat[SOC_STAT_CD].desc)  in soc_common_pcmcia_skt_state()
294 		state.detect = !!gpiod_get_value(skt->stat[SOC_STAT_CD].desc);  in soc_common_pcmcia_skt_state()
295 	if (skt->stat[SOC_STAT_RDY].desc)  in soc_common_pcmcia_skt_state()
296 		state.ready = !!gpiod_get_value(skt->stat[SOC_STAT_RDY].desc);  in soc_common_pcmcia_skt_state()
297 	if (skt->stat[SOC_STAT_BVD1].desc)  in soc_common_pcmcia_skt_state()
298 		state.bvd1 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD1].desc);  in soc_common_pcmcia_skt_state()
299 	if (skt->stat[SOC_STAT_BVD2].desc)  in soc_common_pcmcia_skt_state()
300 		state.bvd2 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD2].desc);  in soc_common_pcmcia_skt_state()
301 	if (skt->stat[SOC_STAT_VS1].desc)  in soc_common_pcmcia_skt_state()
302 		state.vs_3v = !!gpiod_get_value(skt->stat[SOC_STAT_VS1].desc);  in soc_common_pcmcia_skt_state()
303 	if (skt->stat[SOC_STAT_VS2].desc)  in soc_common_pcmcia_skt_state()
304 		state.vs_Xv = !!gpiod_get_value(skt->stat[SOC_STAT_VS2].desc);  in soc_common_pcmcia_skt_state()
306 	skt->ops->socket_state(skt, &state);  in soc_common_pcmcia_skt_state()
318 	stat |= skt->cs_state.Vcc ? SS_POWERON : 0;  in soc_common_pcmcia_skt_state()
320 	if (skt->cs_state.flags & SS_IOCARD)  in soc_common_pcmcia_skt_state()
342 	ret = skt->ops->configure_socket(skt, state);  in soc_common_pcmcia_config_skt()
345 		       skt->nr);  in soc_common_pcmcia_config_skt()
347 		WARN_ON(skt->ops->configure_socket(skt, &skt->cs_state));  in soc_common_pcmcia_config_skt()
356 		if (skt->gpio_reset) {  in soc_common_pcmcia_config_skt()
357 			descs[n] = skt->gpio_reset;  in soc_common_pcmcia_config_skt()
358 			__assign_bit(n++, values, state->flags & SS_RESET);  in soc_common_pcmcia_config_skt()
360 		if (skt->gpio_bus_enable) {  in soc_common_pcmcia_config_skt()
361 			descs[n] = skt->gpio_bus_enable;  in soc_common_pcmcia_config_skt()
362 			__assign_bit(n++, values, state->flags & SS_OUTPUT_ENA);  in soc_common_pcmcia_config_skt()
372 		if (skt->irq_state != 1 && state->io_irq) {  in soc_common_pcmcia_config_skt()
373 			skt->irq_state = 1;  in soc_common_pcmcia_config_skt()
374 			irq_set_irq_type(skt->socket.pci_irq,  in soc_common_pcmcia_config_skt()
376 		} else if (skt->irq_state == 1 && state->io_irq == 0) {  in soc_common_pcmcia_config_skt()
377 			skt->irq_state = 0;  in soc_common_pcmcia_config_skt()
378 			irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE);  in soc_common_pcmcia_config_skt()
381 		skt->cs_state = *state;  in soc_common_pcmcia_config_skt()
390  * (Re-)Initialise the socket, turning on status interrupts
401 	if (skt->ops->socket_init)  in soc_common_pcmcia_sock_init()
402 		skt->ops->socket_init(skt);  in soc_common_pcmcia_sock_init()
413  * Turn off status interrupts, and disable the PCMCIA bus.
424 	if (skt->ops->socket_suspend)  in soc_common_pcmcia_suspend()
425 		skt->ops->socket_suspend(skt);  in soc_common_pcmcia_suspend()
445 		events = (status ^ skt->status) & skt->cs_state.csc_mask;  in soc_common_check_status()
446 		skt->status = status;  in soc_common_check_status()
458 			pcmcia_parse_events(&skt->socket, events);  in soc_common_check_status()
468 	mod_timer(&skt->poll_timer, jiffies + SOC_PCMCIA_POLL_PERIOD);  in soc_common_pcmcia_poll_event()
476  * low-level PCMCIA init() operation via soc_common_pcmcia_thread()).
477  * The actual interrupt-servicing work is performed by
478  * soc_common_pcmcia_thread(), largely because the Card Services event-
495  *  Implements the get_status() operation for the in-kernel PCMCIA
514 	skt->status = soc_common_pcmcia_skt_state(skt);  in soc_common_pcmcia_get_status()
515 	*status = skt->status;  in soc_common_pcmcia_get_status()
522  * Implements the set_socket() operation for the in-kernel PCMCIA
534 			(state->csc_mask == 0)		? "<NONE> " :	"",  in soc_common_pcmcia_set_socket()
535 			(state->csc_mask & SS_DETECT)	? "DETECT " :	"",  in soc_common_pcmcia_set_socket()
536 			(state->csc_mask & SS_READY)	? "READY " :	"",  in soc_common_pcmcia_set_socket()
537 			(state->csc_mask & SS_BATDEAD)	? "BATDEAD " :	"",  in soc_common_pcmcia_set_socket()
538 			(state->csc_mask & SS_BATWARN)	? "BATWARN " :	"",  in soc_common_pcmcia_set_socket()
539 			(state->csc_mask & SS_STSCHG)	? "STSCHG " :	"",  in soc_common_pcmcia_set_socket()
540 			(state->flags == 0)		? "<NONE> " :	"",  in soc_common_pcmcia_set_socket()
541 			(state->flags & SS_PWR_AUTO)	? "PWR_AUTO " :	"",  in soc_common_pcmcia_set_socket()
542 			(state->flags & SS_IOCARD)	? "IOCARD " :	"",  in soc_common_pcmcia_set_socket()
543 			(state->flags & SS_RESET)	? "RESET " :	"",  in soc_common_pcmcia_set_socket()
544 			(state->flags & SS_SPKR_ENA)	? "SPKR_ENA " :	"",  in soc_common_pcmcia_set_socket()
545 			(state->flags & SS_OUTPUT_ENA)	? "OUTPUT_ENA " : "",  in soc_common_pcmcia_set_socket()
546 			state->Vcc, state->Vpp, state->io_irq);  in soc_common_pcmcia_set_socket()
553  * Implements the set_io_map() operation for the in-kernel PCMCIA
558  * Returns: 0 on success, -1 on error
564 	unsigned short speed = map->speed;  in soc_common_pcmcia_set_io_map()
567 		map->map, map->speed, (unsigned long long)map->start,  in soc_common_pcmcia_set_io_map()
568 		(unsigned long long)map->stop);  in soc_common_pcmcia_set_io_map()
570 		(map->flags == 0)		? "<NONE>"	: "",  in soc_common_pcmcia_set_io_map()
571 		(map->flags & MAP_ACTIVE)	? "ACTIVE "	: "",  in soc_common_pcmcia_set_io_map()
572 		(map->flags & MAP_16BIT)	? "16BIT "	: "",  in soc_common_pcmcia_set_io_map()
573 		(map->flags & MAP_AUTOSZ)	? "AUTOSZ "	: "",  in soc_common_pcmcia_set_io_map()
574 		(map->flags & MAP_0WS)		? "0WS "	: "",  in soc_common_pcmcia_set_io_map()
575 		(map->flags & MAP_WRPROT)	? "WRPROT "	: "",  in soc_common_pcmcia_set_io_map()
576 		(map->flags & MAP_USE_WAIT)	? "USE_WAIT "	: "",  in soc_common_pcmcia_set_io_map()
577 		(map->flags & MAP_PREFETCH)	? "PREFETCH "	: "");  in soc_common_pcmcia_set_io_map()
579 	if (map->map >= MAX_IO_WIN) {  in soc_common_pcmcia_set_io_map()
581 		       map->map);  in soc_common_pcmcia_set_io_map()
582 		return -1;  in soc_common_pcmcia_set_io_map()
585 	if (map->flags & MAP_ACTIVE) {  in soc_common_pcmcia_set_io_map()
592 	skt->spd_io[map->map] = speed;  in soc_common_pcmcia_set_io_map()
593 	skt->ops->set_timing(skt);  in soc_common_pcmcia_set_io_map()
595 	if (map->stop == 1)  in soc_common_pcmcia_set_io_map()
596 		map->stop = PAGE_SIZE-1;  in soc_common_pcmcia_set_io_map()
598 	map->stop -= map->start;  in soc_common_pcmcia_set_io_map()
599 	map->stop += skt->socket.io_offset;  in soc_common_pcmcia_set_io_map()
600 	map->start = skt->socket.io_offset;  in soc_common_pcmcia_set_io_map()
607  * Implements the set_mem_map() operation for the in-kernel PCMCIA
612  * Returns: 0 on success, -ERRNO on error
619 	unsigned short speed = map->speed;  in soc_common_pcmcia_set_mem_map()
622 		map->map, map->speed, map->card_start);  in soc_common_pcmcia_set_mem_map()
624 		(map->flags == 0)		? "<NONE>"	: "",  in soc_common_pcmcia_set_mem_map()
625 		(map->flags & MAP_ACTIVE)	? "ACTIVE "	: "",  in soc_common_pcmcia_set_mem_map()
626 		(map->flags & MAP_16BIT)	? "16BIT "	: "",  in soc_common_pcmcia_set_mem_map()
627 		(map->flags & MAP_AUTOSZ)	? "AUTOSZ "	: "",  in soc_common_pcmcia_set_mem_map()
628 		(map->flags & MAP_0WS)		? "0WS "	: "",  in soc_common_pcmcia_set_mem_map()
629 		(map->flags & MAP_WRPROT)	? "WRPROT "	: "",  in soc_common_pcmcia_set_mem_map()
630 		(map->flags & MAP_ATTRIB)	? "ATTRIB "	: "",  in soc_common_pcmcia_set_mem_map()
631 		(map->flags & MAP_USE_WAIT)	? "USE_WAIT "	: "");  in soc_common_pcmcia_set_mem_map()
633 	if (map->map >= MAX_WIN)  in soc_common_pcmcia_set_mem_map()
634 		return -EINVAL;  in soc_common_pcmcia_set_mem_map()
636 	if (map->flags & MAP_ACTIVE) {  in soc_common_pcmcia_set_mem_map()
643 	if (map->flags & MAP_ATTRIB) {  in soc_common_pcmcia_set_mem_map()
644 		res = &skt->res_attr;  in soc_common_pcmcia_set_mem_map()
645 		skt->spd_attr[map->map] = speed;  in soc_common_pcmcia_set_mem_map()
646 		skt->spd_mem[map->map] = 0;  in soc_common_pcmcia_set_mem_map()
648 		res = &skt->res_mem;  in soc_common_pcmcia_set_mem_map()
649 		skt->spd_attr[map->map] = 0;  in soc_common_pcmcia_set_mem_map()
650 		skt->spd_mem[map->map] = speed;  in soc_common_pcmcia_set_mem_map()
653 	skt->ops->set_timing(skt);  in soc_common_pcmcia_set_mem_map()
655 	map->static_start = res->start + map->card_start;  in soc_common_pcmcia_set_mem_map()
692 	b += sprintf(b, "%-9s:", prefix);  in dump_bits()
712 	p += sprintf(p, "slot     : %d\n", skt->nr);  in show_status()
714 	dump_bits(&p, "status", skt->status,  in show_status()
716 	dump_bits(&p, "csc_mask", skt->cs_state.csc_mask,  in show_status()
718 	dump_bits(&p, "cs_flags", skt->cs_state.flags,  in show_status()
721 	p += sprintf(p, "Vcc      : %d\n", skt->cs_state.Vcc);  in show_status()
722 	p += sprintf(p, "Vpp      : %d\n", skt->cs_state.Vpp);  in show_status()
723 	p += sprintf(p, "IRQ      : %d (%d)\n", skt->cs_state.io_irq,  in show_status()
724 		skt->socket.pci_irq);  in show_status()
725 	if (skt->ops->show_timing)  in show_status()
726 		p += skt->ops->show_timing(skt, p);  in show_status()
728 	return p-buf;  in show_status()
750 	return skt->ops->frequency_change(skt, val, freqs);  in soc_common_pcmcia_cpufreq_nb()
759 	skt->ops = ops;  in soc_pcmcia_init_one()
760 	skt->socket.owner = ops->owner;  in soc_pcmcia_init_one()
761 	skt->socket.dev.parent = dev;  in soc_pcmcia_init_one()
762 	skt->socket.pci_irq = NO_IRQ;  in soc_pcmcia_init_one()
764 	for (i = 0; i < ARRAY_SIZE(skt->stat); i++)  in soc_pcmcia_init_one()
765 		skt->stat[i].gpio = -EINVAL;  in soc_pcmcia_init_one()
771 	del_timer_sync(&skt->poll_timer);  in soc_pcmcia_remove_one()
773 	pcmcia_unregister_socket(&skt->socket);  in soc_pcmcia_remove_one()
776 	if (skt->ops->frequency_change)  in soc_pcmcia_remove_one()
777 		cpufreq_unregister_notifier(&skt->cpufreq_nb,  in soc_pcmcia_remove_one()
786 	iounmap(PCI_IOBASE + skt->res_io_io.start);  in soc_pcmcia_remove_one()
787 	release_resource(&skt->res_attr);  in soc_pcmcia_remove_one()
788 	release_resource(&skt->res_mem);  in soc_pcmcia_remove_one()
789 	release_resource(&skt->res_io);  in soc_pcmcia_remove_one()
790 	release_resource(&skt->res_skt);  in soc_pcmcia_remove_one()
798 	skt->cs_state = dead_socket;  in soc_pcmcia_add_one()
800 	timer_setup(&skt->poll_timer, soc_common_pcmcia_poll_event, 0);  in soc_pcmcia_add_one()
801 	skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD;  in soc_pcmcia_add_one()
803 	ret = request_resource(&iomem_resource, &skt->res_skt);  in soc_pcmcia_add_one()
807 	ret = request_resource(&skt->res_skt, &skt->res_io);  in soc_pcmcia_add_one()
811 	ret = request_resource(&skt->res_skt, &skt->res_mem);  in soc_pcmcia_add_one()
815 	ret = request_resource(&skt->res_skt, &skt->res_attr);  in soc_pcmcia_add_one()
819 	skt->res_io_io = (struct resource)  in soc_pcmcia_add_one()
820 		 DEFINE_RES_IO_NAMED(skt->nr * 0x1000 + 0x10000, 0x1000,  in soc_pcmcia_add_one()
822 	ret = pci_remap_iospace(&skt->res_io_io, skt->res_io.start);  in soc_pcmcia_add_one()
831 	skt->ops->set_timing(skt);  in soc_pcmcia_add_one()
837 	skt->socket.ops = &soc_common_pcmcia_operations;  in soc_pcmcia_add_one()
838 	skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;  in soc_pcmcia_add_one()
839 	skt->socket.resource_ops = &pccard_static_ops;  in soc_pcmcia_add_one()
840 	skt->socket.irq_mask = 0;  in soc_pcmcia_add_one()
841 	skt->socket.map_size = PAGE_SIZE;  in soc_pcmcia_add_one()
842 	skt->socket.io_offset = (unsigned long)skt->res_io_io.start;  in soc_pcmcia_add_one()
844 	skt->status = soc_common_pcmcia_skt_state(skt);  in soc_pcmcia_add_one()
847 	if (skt->ops->frequency_change) {  in soc_pcmcia_add_one()
848 		skt->cpufreq_nb.notifier_call = soc_common_pcmcia_cpufreq_nb;  in soc_pcmcia_add_one()
850 		ret = cpufreq_register_notifier(&skt->cpufreq_nb,  in soc_pcmcia_add_one()
853 			dev_err(skt->socket.dev.parent,  in soc_pcmcia_add_one()
859 	ret = pcmcia_register_socket(&skt->socket);  in soc_pcmcia_add_one()
863 	ret = device_create_file(&skt->socket.dev, &dev_attr_status);  in soc_pcmcia_add_one()
870 	del_timer_sync(&skt->poll_timer);  in soc_pcmcia_add_one()
871 	pcmcia_unregister_socket(&skt->socket);  in soc_pcmcia_add_one()
876 	iounmap(PCI_IOBASE + skt->res_io_io.start);  in soc_pcmcia_add_one()
878 	release_resource(&skt->res_attr);  in soc_pcmcia_add_one()
880 	release_resource(&skt->res_mem);  in soc_pcmcia_add_one()
882 	release_resource(&skt->res_io);  in soc_pcmcia_add_one()
884 	release_resource(&skt->res_skt);  in soc_pcmcia_add_one()