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/* arch/arm/mach-msm/board-sapphire-wifi.c
*
* Copyright (C) 2008 Google, Inc.
* Author: Dmitry Shmidt <dimitrysh@google.com>
*
* 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.
*
*/
#ifdef CONFIG_WIFI_CONTROL_FUNC
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/vmalloc.h>
#include <linux/err.h>
#include <linux/wifi_tiwlan.h>
extern int sapphire_wifi_set_carddetect(int val);
extern int sapphire_wifi_power(int on);
extern int sapphire_wifi_reset(int on);
#ifdef CONFIG_WIFI_MEM_PREALLOC
typedef struct wifi_mem_prealloc_struct {
void *mem_ptr;
unsigned long size;
} wifi_mem_prealloc_t;
static wifi_mem_prealloc_t wifi_mem_array[WMPA_NUMBER_OF_SECTIONS] = {
{ NULL, (WMPA_SECTION_SIZE_0 + WMPA_SECTION_HEADER) },
{ NULL, (WMPA_SECTION_SIZE_1 + WMPA_SECTION_HEADER) },
{ NULL, (WMPA_SECTION_SIZE_2 + WMPA_SECTION_HEADER) }
};
static void *sapphire_wifi_mem_prealloc(int section, unsigned long size)
{
if ((section < 0) || (section >= WMPA_NUMBER_OF_SECTIONS))
return NULL;
if (wifi_mem_array[section].size < size)
return NULL;
return wifi_mem_array[section].mem_ptr;
}
int __init sapphire_init_wifi_mem (void)
{
int i;
for (i = 0; (i < WMPA_NUMBER_OF_SECTIONS); i++) {
wifi_mem_array[i].mem_ptr = vmalloc(wifi_mem_array[i].size);
if (wifi_mem_array[i].mem_ptr == NULL)
return -ENOMEM;
}
return 0;
}
#endif
struct wifi_platform_data sapphire_wifi_control = {
.set_power = sapphire_wifi_power,
.set_reset = sapphire_wifi_reset,
.set_carddetect = sapphire_wifi_set_carddetect,
#ifdef CONFIG_WIFI_MEM_PREALLOC
.mem_prealloc = sapphire_wifi_mem_prealloc,
#else
.mem_prealloc = NULL,
#endif
};
#endif
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