75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
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/* arch/arm/mach-msm/board-trout-wifi.c
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*
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* Copyright (C) 2008 Google, Inc.
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* Author: Dmitry Shmidt <dimitrysh@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifdef CONFIG_WIFI_CONTROL_FUNC
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/vmalloc.h>
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#include <linux/err.h>
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#include <linux/wifi_tiwlan.h>
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extern int trout_wifi_set_carddetect(int val);
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extern int trout_wifi_power(int on);
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extern int trout_wifi_reset(int on);
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#ifdef CONFIG_WIFI_MEM_PREALLOC
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typedef struct wifi_mem_prealloc_struct {
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void *mem_ptr;
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unsigned long size;
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} wifi_mem_prealloc_t;
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static wifi_mem_prealloc_t wifi_mem_array[WMPA_NUMBER_OF_SECTIONS] = {
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{ NULL, (WMPA_SECTION_SIZE_0 + WMPA_SECTION_HEADER) },
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{ NULL, (WMPA_SECTION_SIZE_1 + WMPA_SECTION_HEADER) },
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{ NULL, (WMPA_SECTION_SIZE_2 + WMPA_SECTION_HEADER) }
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};
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static void *trout_wifi_mem_prealloc(int section, unsigned long size)
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{
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if( (section < 0) || (section >= WMPA_NUMBER_OF_SECTIONS) )
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return NULL;
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if( wifi_mem_array[section].size < size )
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return NULL;
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return wifi_mem_array[section].mem_ptr;
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}
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int __init trout_init_wifi_mem( void )
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{
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int i;
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for(i=0;( i < WMPA_NUMBER_OF_SECTIONS );i++) {
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wifi_mem_array[i].mem_ptr = vmalloc(wifi_mem_array[i].size);
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if( wifi_mem_array[i].mem_ptr == NULL )
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return -ENOMEM;
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}
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return 0;
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}
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#endif
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struct wifi_platform_data trout_wifi_control = {
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.set_power = trout_wifi_power,
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.set_reset = trout_wifi_reset,
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.set_carddetect = trout_wifi_set_carddetect,
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#ifdef CONFIG_WIFI_MEM_PREALLOC
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.mem_prealloc = trout_wifi_mem_prealloc,
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#else
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.mem_prealloc = NULL,
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#endif
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};
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#endif
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