mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
66024db57d
skt->irq is a mere duplication of pcmcia_socket's pci_irq member. Get rid of it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
/*
|
|
* drivers/pcmcia/sa1100_cerf.c
|
|
*
|
|
* PCMCIA implementation routines for CerfBoard
|
|
* Based off the Assabet.
|
|
*
|
|
*/
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/irq.h>
|
|
#include <mach/cerf.h>
|
|
#include "sa1100_generic.h"
|
|
|
|
#define CERF_SOCKET 1
|
|
|
|
static struct pcmcia_irqs irqs[] = {
|
|
{ CERF_SOCKET, CERF_IRQ_GPIO_CF_CD, "CF_CD" },
|
|
{ CERF_SOCKET, CERF_IRQ_GPIO_CF_BVD2, "CF_BVD2" },
|
|
{ CERF_SOCKET, CERF_IRQ_GPIO_CF_BVD1, "CF_BVD1" }
|
|
};
|
|
|
|
static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
|
|
{
|
|
skt->socket.pci_irq = CERF_IRQ_GPIO_CF_IRQ;
|
|
|
|
return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
|
|
{
|
|
soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static void
|
|
cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
|
|
{
|
|
unsigned long levels = GPLR;
|
|
|
|
state->detect = (levels & CERF_GPIO_CF_CD) ?0:1;
|
|
state->ready = (levels & CERF_GPIO_CF_IRQ) ?1:0;
|
|
state->bvd1 = (levels & CERF_GPIO_CF_BVD1)?1:0;
|
|
state->bvd2 = (levels & CERF_GPIO_CF_BVD2)?1:0;
|
|
state->wrprot = 0;
|
|
state->vs_3v = 1;
|
|
state->vs_Xv = 0;
|
|
}
|
|
|
|
static int
|
|
cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
|
|
const socket_state_t *state)
|
|
{
|
|
switch (state->Vcc) {
|
|
case 0:
|
|
case 50:
|
|
case 33:
|
|
break;
|
|
|
|
default:
|
|
printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
|
|
__func__, state->Vcc);
|
|
return -1;
|
|
}
|
|
|
|
if (state->flags & SS_RESET) {
|
|
GPSR = CERF_GPIO_CF_RESET;
|
|
} else {
|
|
GPCR = CERF_GPIO_CF_RESET;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void cerf_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
|
|
{
|
|
soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static void cerf_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
|
|
{
|
|
soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static struct pcmcia_low_level cerf_pcmcia_ops = {
|
|
.owner = THIS_MODULE,
|
|
.hw_init = cerf_pcmcia_hw_init,
|
|
.hw_shutdown = cerf_pcmcia_hw_shutdown,
|
|
.socket_state = cerf_pcmcia_socket_state,
|
|
.configure_socket = cerf_pcmcia_configure_socket,
|
|
|
|
.socket_init = cerf_pcmcia_socket_init,
|
|
.socket_suspend = cerf_pcmcia_socket_suspend,
|
|
};
|
|
|
|
int __init pcmcia_cerf_init(struct device *dev)
|
|
{
|
|
int ret = -ENODEV;
|
|
|
|
if (machine_is_cerf())
|
|
ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);
|
|
|
|
return ret;
|
|
}
|