mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
34cdf25a12
CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
104 lines
2.4 KiB
C
104 lines
2.4 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 <linux/io.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <mach/shannon.h>
|
|
#include <asm/irq.h>
|
|
#include "sa1100_generic.h"
|
|
|
|
static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
|
|
{
|
|
/* All those are inputs */
|
|
GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) |
|
|
GPIO_GPIO(SHANNON_GPIO_EJECT_1) |
|
|
GPIO_GPIO(SHANNON_GPIO_RDY_0) |
|
|
GPIO_GPIO(SHANNON_GPIO_RDY_1));
|
|
|
|
if (skt->nr == 0) {
|
|
skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0;
|
|
skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0";
|
|
skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0;
|
|
skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0";
|
|
} else {
|
|
skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1;
|
|
skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1";
|
|
skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1;
|
|
skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1";
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
|
|
struct pcmcia_state *state)
|
|
{
|
|
switch (skt->nr) {
|
|
case 0:
|
|
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->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 struct pcmcia_low_level shannon_pcmcia_ops = {
|
|
.owner = THIS_MODULE,
|
|
.hw_init = shannon_pcmcia_hw_init,
|
|
.socket_state = shannon_pcmcia_socket_state,
|
|
.configure_socket = shannon_pcmcia_configure_socket,
|
|
};
|
|
|
|
int 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;
|
|
}
|