1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/io.h>
26 #include <asm/mach-au1x00/au1000.h>
37  * 204:  reset (high-act)
38  * 205:  buffer enable (low-act)
42  * 214:  power (low-act)
73 	pcmcia_parse_events(&sock->socket, SS_DETECT);  in cdirq()
85 	switch (state->Vcc) {  in xxs1500_pcmcia_configure()
94 		return -EINVAL;  in xxs1500_pcmcia_configure()
97 	changed = state->flags ^ sock->old_flags;  in xxs1500_pcmcia_configure()
100 		if (state->flags & SS_RESET) {  in xxs1500_pcmcia_configure()
101 			gpio_set_value(GPIO_RESET, 1);	/* assert reset */  in xxs1500_pcmcia_configure()
104 			gpio_set_value(GPIO_RESET, 0);	/* deassert reset */  in xxs1500_pcmcia_configure()
110 	sock->old_flags = state->flags;  in xxs1500_pcmcia_configure()
144 	/* GPIO204: high-active reset line */  in xxs1500_pcmcia_get_status()
164 	gpio_direction_output(GPIO_RESET, 1);	/* assert reset */  in xxs1500_pcmcia_sock_init()
181 	map->start = (u32)sock->virt_io;  in au1x00_pcmcia_set_io_map()
182 	map->stop = map->start + IO_MAP_SIZE;  in au1x00_pcmcia_set_io_map()
192 	if (map->flags & MAP_ATTRIB)  in au1x00_pcmcia_set_mem_map()
193 		map->static_start = sock->phys_attr + map->card_start;  in au1x00_pcmcia_set_mem_map()
195 		map->static_start = sock->phys_mem + map->card_start;  in au1x00_pcmcia_set_mem_map()
217 		return -ENOMEM;  in xxs1500_pcmcia_probe()
219 	ret = -ENODEV;  in xxs1500_pcmcia_probe()
222 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr");  in xxs1500_pcmcia_probe()
224 		dev_err(&pdev->dev, "missing 'pcmcia-attr' resource!\n");  in xxs1500_pcmcia_probe()
227 	sock->phys_attr = r->start;  in xxs1500_pcmcia_probe()
230 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem");  in xxs1500_pcmcia_probe()
232 		dev_err(&pdev->dev, "missing 'pcmcia-mem' resource!\n");  in xxs1500_pcmcia_probe()
235 	sock->phys_mem = r->start;  in xxs1500_pcmcia_probe()
237 	/* 36bit PCMCIA IO area address */  in xxs1500_pcmcia_probe()
238 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io");  in xxs1500_pcmcia_probe()
240 		dev_err(&pdev->dev, "missing 'pcmcia-io' resource!\n");  in xxs1500_pcmcia_probe()
243 	sock->phys_io = r->start;  in xxs1500_pcmcia_probe()
248 	 * the IO registers.  Since mips_io_port_base is added  in xxs1500_pcmcia_probe()
254 	sock->virt_io = (void *)(ioremap(sock->phys_io, IO_MAP_SIZE) -  in xxs1500_pcmcia_probe()
257 	if (!sock->virt_io) {  in xxs1500_pcmcia_probe()
258 		dev_err(&pdev->dev, "cannot remap IO area\n");  in xxs1500_pcmcia_probe()
259 		ret = -ENOMEM;  in xxs1500_pcmcia_probe()
263 	sock->socket.ops	= &xxs1500_pcmcia_operations;  in xxs1500_pcmcia_probe()
264 	sock->socket.owner	= THIS_MODULE;  in xxs1500_pcmcia_probe()
265 	sock->socket.pci_irq	= gpio_to_irq(GPIO_CARDIRQ);  in xxs1500_pcmcia_probe()
266 	sock->socket.features	= SS_CAP_STATIC_MAP | SS_CAP_PCCARD;  in xxs1500_pcmcia_probe()
267 	sock->socket.map_size	= MEM_MAP_SIZE;  in xxs1500_pcmcia_probe()
268 	sock->socket.io_offset	= (unsigned long)sock->virt_io;  in xxs1500_pcmcia_probe()
269 	sock->socket.dev.parent	= &pdev->dev;  in xxs1500_pcmcia_probe()
270 	sock->socket.resource_ops = &pccard_static_ops;  in xxs1500_pcmcia_probe()
281 		dev_err(&pdev->dev, "cannot setup cd irq\n");  in xxs1500_pcmcia_probe()
285 	ret = pcmcia_register_socket(&sock->socket);  in xxs1500_pcmcia_probe()
287 		dev_err(&pdev->dev, "failed to register\n");  in xxs1500_pcmcia_probe()
291 	printk(KERN_INFO "MyCable XXS1500 PCMCIA socket services\n");  in xxs1500_pcmcia_probe()
298 	iounmap((void *)(sock->virt_io + (u32)mips_io_port_base));  in xxs1500_pcmcia_probe()
308 	pcmcia_unregister_socket(&sock->socket);  in xxs1500_pcmcia_remove()
310 	iounmap((void *)(sock->virt_io + (u32)mips_io_port_base));  in xxs1500_pcmcia_remove()