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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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103
drivers/pcmcia/sa1100_shannon.c Normal file
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/*
* 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;
}