2 * drivers/pcmcia/sa1100_cerf.c
4 * PCMCIA implementation routines for CerfBoard
5 * Based off the Assabet.
8 #include <linux/module.h>
9 #include <linux/kernel.h>
10 #include <linux/sched.h>
11 #include <linux/device.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
15 #include <asm/hardware.h>
16 #include <asm/mach-types.h>
18 #include <asm/arch/cerf.h>
19 #include "sa1100_generic.h"
23 static struct pcmcia_irqs irqs[] = {
24 { CERF_SOCKET, CERF_IRQ_GPIO_CF_CD, "CF_CD" },
25 { CERF_SOCKET, CERF_IRQ_GPIO_CF_BVD2, "CF_BVD2" },
26 { CERF_SOCKET, CERF_IRQ_GPIO_CF_BVD1, "CF_BVD1" }
29 static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
31 skt->irq = CERF_IRQ_GPIO_CF_IRQ;
33 return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
36 static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
38 soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
42 cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
44 unsigned long levels = GPLR;
46 state->detect = (levels & CERF_GPIO_CF_CD) ?0:1;
47 state->ready = (levels & CERF_GPIO_CF_IRQ) ?1:0;
48 state->bvd1 = (levels & CERF_GPIO_CF_BVD1)?1:0;
49 state->bvd2 = (levels & CERF_GPIO_CF_BVD2)?1:0;
56 cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
57 const socket_state_t *state)
66 printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
67 __FUNCTION__, state->Vcc);
71 if (state->flags & SS_RESET) {
72 GPSR = CERF_GPIO_CF_RESET;
74 GPCR = CERF_GPIO_CF_RESET;
80 static void cerf_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
82 soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
85 static void cerf_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
87 soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
90 static struct pcmcia_low_level cerf_pcmcia_ops = {
92 .hw_init = cerf_pcmcia_hw_init,
93 .hw_shutdown = cerf_pcmcia_hw_shutdown,
94 .socket_state = cerf_pcmcia_socket_state,
95 .configure_socket = cerf_pcmcia_configure_socket,
97 .socket_init = cerf_pcmcia_socket_init,
98 .socket_suspend = cerf_pcmcia_socket_suspend,
101 int __init pcmcia_cerf_init(struct device *dev)
105 if (machine_is_cerf())
106 ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);