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/* linux/arch/arm/mach-msm/gpio.c
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2009, Code Aurora Forum. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/module.h>
#include <mach/gpio.h>
#include "proc_comm.h"
int gpio_tlmm_config(unsigned config, unsigned disable)
{
return msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, &disable);
}
EXPORT_SYMBOL(gpio_tlmm_config);
int msm_gpios_enable(const struct msm_gpio *table, int size)
{
int rc;
int i;
const struct msm_gpio *g;
for (i = 0; i < size; i++) {
g = table + i;
rc = gpio_tlmm_config(g->gpio_cfg, GPIO_ENABLE);
if (rc) {
pr_err("gpio_tlmm_config(0x%08x, GPIO_ENABLE)"
" <%s> failed: %d\n",
g->gpio_cfg, g->label ?: "?", rc);
pr_err("pin %d func %d dir %d pull %d drvstr %d\n",
GPIO_PIN(g->gpio_cfg), GPIO_FUNC(g->gpio_cfg),
GPIO_DIR(g->gpio_cfg), GPIO_PULL(g->gpio_cfg),
GPIO_DRVSTR(g->gpio_cfg));
goto err;
}
}
return 0;
err:
msm_gpios_disable(table, i);
return rc;
}
EXPORT_SYMBOL(msm_gpios_enable);
void msm_gpios_disable(const struct msm_gpio *table, int size)
{
int rc;
int i;
const struct msm_gpio *g;
for (i = size-1; i >= 0; i--) {
g = table + i;
rc = gpio_tlmm_config(g->gpio_cfg, GPIO_DISABLE);
if (rc) {
pr_err("gpio_tlmm_config(0x%08x, GPIO_DISABLE)"
" <%s> failed: %d\n",
g->gpio_cfg, g->label ?: "?", rc);
pr_err("pin %d func %d dir %d pull %d drvstr %d\n",
GPIO_PIN(g->gpio_cfg), GPIO_FUNC(g->gpio_cfg),
GPIO_DIR(g->gpio_cfg), GPIO_PULL(g->gpio_cfg),
GPIO_DRVSTR(g->gpio_cfg));
}
}
}
EXPORT_SYMBOL(msm_gpios_disable);
int msm_gpios_request_enable(const struct msm_gpio *table, int size)
{
int rc = msm_gpios_enable(table, size);
return rc;
}
EXPORT_SYMBOL(msm_gpios_request_enable);
void msm_gpios_disable_free(const struct msm_gpio *table, int size)
{
msm_gpios_disable(table, size);
}
EXPORT_SYMBOL(msm_gpios_disable_free);
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