diff options
Diffstat (limited to 'arch/arm/mach-msm/board-sapphire-wifi.c')
-rw-r--r-- | arch/arm/mach-msm/board-sapphire-wifi.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/board-sapphire-wifi.c b/arch/arm/mach-msm/board-sapphire-wifi.c new file mode 100644 index 000000000000..43f827c60f13 --- /dev/null +++ b/arch/arm/mach-msm/board-sapphire-wifi.c @@ -0,0 +1,74 @@ +/* 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 |