2 * drivers/pcmcia/sa1100_cerf.c
4 * PCMCIA implementation routines for CerfBoard
5 * Based off the Assabet.
8 #include <linux/kernel.h>
9 #include <linux/sched.h>
11 #include <asm/hardware.h>
13 #include "sa1100_generic.h"
15 #ifdef CONFIG_SA1100_CERF_CPLD
26 { IRQ_GPIO_CF_CD, GPIO_CF_CD, "CF_CD" },
27 { IRQ_GPIO_CF_BVD2, GPIO_CF_BVD2, "CF_BVD2" },
28 { IRQ_GPIO_CF_BVD1, GPIO_CF_BVD1, "CF_BVD1" }
31 static int cerf_pcmcia_init(struct pcmcia_init *init)
35 set_GPIO_IRQ_edge( GPIO_CF_IRQ, GPIO_FALLING_EDGE );
37 for (i = 0; i < ARRAY_SIZE(irqs); i++) {
38 set_GPIO_IRQ_edge(irqs[i].gpio, GPIO_NO_EDGES);
39 res = request_irq(irqs[i].irq, init->handler, SA_INTERRUPT,
48 printk(KERN_ERR "%s: Request for IRQ%d failed\n", __FUNCTION__, irqs[i].irq);
51 free_irq(irqs[i].irq, NULL);
56 static int cerf_pcmcia_shutdown(void)
60 for (i = 0; i < ARRAY_SIZE(irqs); i++)
61 free_irq(irqs[i].irq, NULL);
66 static int cerf_pcmcia_socket_state(struct pcmcia_state_array
71 if(state_array->size<2) return -1;
75 state_array->state[i].detect=((levels & GPIO_CF_CD)==0)?1:0;
76 state_array->state[i].ready=(levels & GPIO_CF_IRQ)?1:0;
77 state_array->state[i].bvd1=(levels & GPIO_CF_BVD1)?1:0;
78 state_array->state[i].bvd2=(levels & GPIO_CF_BVD2)?1:0;
79 state_array->state[i].wrprot=0;
80 state_array->state[i].vs_3v=1;
81 state_array->state[i].vs_Xv=0;
86 static int cerf_pcmcia_get_irq_info(struct pcmcia_irq_info *info){
88 if(info->sock>1) return -1;
90 if (info->sock == CERF_SOCKET)
91 info->irq=IRQ_GPIO_CF_IRQ;
96 static int cerf_pcmcia_configure_socket(const struct pcmcia_configure
102 if (configure->sock != CERF_SOCKET)
105 switch(configure->vcc){
111 #ifdef CONFIG_SA1100_CERF_CPLD
112 GPCR = GPIO_PWR_SHUTDOWN;
117 printk(KERN_ERR "%s(): unrecognized Vcc %u\n", __FUNCTION__,
124 #ifdef CONFIG_SA1100_CERF_CPLD
125 GPSR = GPIO_CF_RESET;
130 #ifdef CONFIG_SA1100_CERF_CPLD
131 GPCR = GPIO_CF_RESET;
138 static int cerf_pcmcia_socket_init(int sock)
142 if (sock == CERF_SOCKET)
143 for (i = 0; i < ARRAY_SIZE(irqs); i++)
144 set_GPIO_IRQ_edge(irqs[i].gpio, GPIO_BOTH_EDGES);
149 static int cerf_pcmcia_socket_suspend(int sock)
153 if (sock == CERF_SOCKET)
154 for (i = 0; i < ARRAY_SIZE(irqs); i++)
155 set_GPIO_IRQ_edge(irqs[i].gpio, GPIO_NO_EDGES);
160 struct pcmcia_low_level cerf_pcmcia_ops = {
161 init: cerf_pcmcia_init,
162 shutdown: cerf_pcmcia_shutdown,
163 socket_state: cerf_pcmcia_socket_state,
164 get_irq_info: cerf_pcmcia_get_irq_info,
165 configure_socket: cerf_pcmcia_configure_socket,
167 socket_init: cerf_pcmcia_socket_init,
168 socket_suspend: cerf_pcmcia_socket_suspend,