2 * linux/drivers/pcmcia/sa1100_sa1111.c
4 * We implement the generic parts of a SA1111 PCMCIA driver. This
5 * basically means we handle everything except controlling the
6 * power. Power is machine specific...
8 #include <linux/kernel.h>
9 #include <linux/sched.h>
10 #include <linux/ioport.h>
12 #include <asm/hardware.h>
13 #include <asm/hardware/sa1111.h>
16 #include "sa1100_generic.h"
17 #include "sa1111_generic.h"
23 { S0_CD_VALID, "SA1111 PCMCIA card detect" },
24 { S0_BVD1_STSCHG, "SA1111 PCMCIA BVD1" },
25 { S1_CD_VALID, "SA1111 CF card detect" },
26 { S1_BVD1_STSCHG, "SA1111 CF BVD1" },
29 int sa1111_pcmcia_init(struct pcmcia_init *init)
33 if (!request_mem_region(_PCCR, 512, "PCMCIA"))
36 INTPOL1 |= SA1111_IRQMASK_HI(S0_CD_VALID) |
37 SA1111_IRQMASK_HI(S1_CD_VALID) |
38 SA1111_IRQMASK_HI(S0_BVD1_STSCHG) |
39 SA1111_IRQMASK_HI(S1_BVD1_STSCHG);
41 for (i = ret = 0; i < ARRAY_SIZE(irqs); i++) {
42 ret = request_irq(irqs[i].irq, init->handler, SA_INTERRUPT,
48 if (i < ARRAY_SIZE(irqs)) {
49 printk(KERN_ERR "sa1111_pcmcia: unable to grab IRQ%d (%d)\n",
52 free_irq(irqs[i].irq, NULL);
54 release_mem_region(_PCCR, 16);
60 int sa1111_pcmcia_shutdown(void)
64 for (i = 0; i < ARRAY_SIZE(irqs); i++)
65 free_irq(irqs[i].irq, NULL);
67 INTPOL1 &= ~(SA1111_IRQMASK_HI(S0_CD_VALID) |
68 SA1111_IRQMASK_HI(S1_CD_VALID) |
69 SA1111_IRQMASK_HI(S0_BVD1_STSCHG) |
70 SA1111_IRQMASK_HI(S1_BVD1_STSCHG));
72 release_mem_region(_PCCR, 512);
77 int sa1111_pcmcia_socket_state(struct pcmcia_state_array *state)
86 state->state[0].detect = status & PCSR_S0_DETECT ? 0 : 1;
87 state->state[0].ready = status & PCSR_S0_READY ? 1 : 0;
88 state->state[0].bvd1 = status & PCSR_S0_BVD1 ? 1 : 0;
89 state->state[0].bvd2 = status & PCSR_S0_BVD2 ? 1 : 0;
90 state->state[0].wrprot = status & PCSR_S0_WP ? 1 : 0;
91 state->state[0].vs_3v = status & PCSR_S0_VS1 ? 0 : 1;
92 state->state[0].vs_Xv = status & PCSR_S0_VS2 ? 0 : 1;
94 state->state[1].detect = status & PCSR_S1_DETECT ? 0 : 1;
95 state->state[1].ready = status & PCSR_S1_READY ? 1 : 0;
96 state->state[1].bvd1 = status & PCSR_S1_BVD1 ? 1 : 0;
97 state->state[1].bvd2 = status & PCSR_S1_BVD2 ? 1 : 0;
98 state->state[1].wrprot = status & PCSR_S1_WP ? 1 : 0;
99 state->state[1].vs_3v = status & PCSR_S1_VS1 ? 0 : 1;
100 state->state[1].vs_Xv = status & PCSR_S1_VS2 ? 0 : 1;
105 int sa1111_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
109 switch (info->sock) {
110 case 0: info->irq = S0_READY_NINT; break;
111 case 1: info->irq = S1_READY_NINT; break;
118 int sa1111_pcmcia_configure_socket(const struct pcmcia_configure *conf)
120 unsigned int rst, flt, wait, pse, irq, pccr_mask;
123 switch (conf->sock) {
127 wait = PCCR_S0_PWAITEN;
135 wait = PCCR_S1_PWAITEN;
154 pccr_mask = pse | wait;
158 printk(KERN_ERR "sa1111_pcmcia: unrecognised VCC %u\n",
169 local_irq_save(flags);
170 PCCR = (PCCR & ~(pse | flt | wait | rst)) | pccr_mask;
171 local_irq_restore(flags);
181 int sa1111_pcmcia_socket_init(int sock)
186 int sa1111_pcmcia_socket_suspend(int sock)