2e11cb4c52
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/*
|
|
* drivers/pcmcia/sa1100_shannon.c
|
|
*
|
|
* PCMCIA implementation routines for Shannon
|
|
*
|
|
*/
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/arch/shannon.h>
|
|
#include <asm/irq.h>
|
|
#include "sa1100_generic.h"
|
|
|
|
static struct pcmcia_irqs irqs[] = {
|
|
{ 0, SHANNON_IRQ_GPIO_EJECT_0, "PCMCIA_CD_0" },
|
|
{ 1, SHANNON_IRQ_GPIO_EJECT_1, "PCMCIA_CD_1" },
|
|
};
|
|
|
|
static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
|
|
{
|
|
/* All those are inputs */
|
|
GPDR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 |
|
|
SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1);
|
|
GAFR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 |
|
|
SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1);
|
|
|
|
skt->irq = skt->nr ? SHANNON_IRQ_GPIO_RDY_1 : SHANNON_IRQ_GPIO_RDY_0;
|
|
|
|
return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static void shannon_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
|
|
{
|
|
soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static void
|
|
shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
|
|
struct pcmcia_state *state)
|
|
{
|
|
unsigned long levels = GPLR;
|
|
|
|
switch (skt->nr) {
|
|
case 0:
|
|
state->detect = (levels & SHANNON_GPIO_EJECT_0) ? 0 : 1;
|
|
state->ready = (levels & SHANNON_GPIO_RDY_0) ? 1 : 0;
|
|
state->wrprot = 0; /* Not available on Shannon. */
|
|
state->bvd1 = 1;
|
|
state->bvd2 = 1;
|
|
state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
|
|
state->vs_Xv = 0;
|
|
break;
|
|
|
|
case 1:
|
|
state->detect = (levels & SHANNON_GPIO_EJECT_1) ? 0 : 1;
|
|
state->ready = (levels & SHANNON_GPIO_RDY_1) ? 1 : 0;
|
|
state->wrprot = 0; /* Not available on Shannon. */
|
|
state->bvd1 = 1;
|
|
state->bvd2 = 1;
|
|
state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
|
|
state->vs_Xv = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
|
|
const socket_state_t *state)
|
|
{
|
|
switch (state->Vcc) {
|
|
case 0: /* power off */
|
|
printk(KERN_WARNING "%s(): CS asked for 0V, still applying 3.3V..\n", __func__);
|
|
break;
|
|
case 50:
|
|
printk(KERN_WARNING "%s(): CS asked for 5V, applying 3.3V..\n", __func__);
|
|
case 33:
|
|
break;
|
|
default:
|
|
printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
|
|
__func__, state->Vcc);
|
|
return -1;
|
|
}
|
|
|
|
printk(KERN_WARNING "%s(): Warning, Can't perform reset\n", __func__);
|
|
|
|
/* Silently ignore Vpp, output enable, speaker enable. */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void shannon_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
|
|
{
|
|
soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static void shannon_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
|
|
{
|
|
soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
|
|
}
|
|
|
|
static struct pcmcia_low_level shannon_pcmcia_ops = {
|
|
.owner = THIS_MODULE,
|
|
.hw_init = shannon_pcmcia_hw_init,
|
|
.hw_shutdown = shannon_pcmcia_hw_shutdown,
|
|
.socket_state = shannon_pcmcia_socket_state,
|
|
.configure_socket = shannon_pcmcia_configure_socket,
|
|
|
|
.socket_init = shannon_pcmcia_socket_init,
|
|
.socket_suspend = shannon_pcmcia_socket_suspend,
|
|
};
|
|
|
|
int __init pcmcia_shannon_init(struct device *dev)
|
|
{
|
|
int ret = -ENODEV;
|
|
|
|
if (machine_is_shannon())
|
|
ret = sa11xx_drv_pcmcia_probe(dev, &shannon_pcmcia_ops, 0, 2);
|
|
|
|
return ret;
|
|
}
|