| Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1 | /* arch/arm/mach-msm/board-sapphire-wifi.c |
| 2 | * |
| 3 | * Copyright (C) 2008 Google, Inc. |
| 4 | * Author: Dmitry Shmidt <dimitrysh@google.com> |
| 5 | * |
| 6 | * This software is licensed under the terms of the GNU General Public |
| 7 | * License version 2, as published by the Free Software Foundation, and |
| 8 | * may be copied, distributed, and modified under those terms. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | #ifdef CONFIG_WIFI_CONTROL_FUNC |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/platform_device.h> |
| 21 | #include <linux/vmalloc.h> |
| 22 | #include <linux/err.h> |
| 23 | #include <linux/wifi_tiwlan.h> |
| 24 | |
| 25 | extern int sapphire_wifi_set_carddetect(int val); |
| 26 | extern int sapphire_wifi_power(int on); |
| 27 | extern int sapphire_wifi_reset(int on); |
| 28 | |
| 29 | #ifdef CONFIG_WIFI_MEM_PREALLOC |
| 30 | typedef struct wifi_mem_prealloc_struct { |
| 31 | void *mem_ptr; |
| 32 | unsigned long size; |
| 33 | } wifi_mem_prealloc_t; |
| 34 | |
| 35 | static wifi_mem_prealloc_t wifi_mem_array[WMPA_NUMBER_OF_SECTIONS] = { |
| 36 | { NULL, (WMPA_SECTION_SIZE_0 + WMPA_SECTION_HEADER) }, |
| 37 | { NULL, (WMPA_SECTION_SIZE_1 + WMPA_SECTION_HEADER) }, |
| 38 | { NULL, (WMPA_SECTION_SIZE_2 + WMPA_SECTION_HEADER) } |
| 39 | }; |
| 40 | |
| 41 | static void *sapphire_wifi_mem_prealloc(int section, unsigned long size) |
| 42 | { |
| 43 | if ((section < 0) || (section >= WMPA_NUMBER_OF_SECTIONS)) |
| 44 | return NULL; |
| 45 | if (wifi_mem_array[section].size < size) |
| 46 | return NULL; |
| 47 | return wifi_mem_array[section].mem_ptr; |
| 48 | } |
| 49 | |
| 50 | int __init sapphire_init_wifi_mem (void) |
| 51 | { |
| 52 | int i; |
| 53 | |
| 54 | for (i = 0; (i < WMPA_NUMBER_OF_SECTIONS); i++) { |
| 55 | wifi_mem_array[i].mem_ptr = vmalloc(wifi_mem_array[i].size); |
| 56 | if (wifi_mem_array[i].mem_ptr == NULL) |
| 57 | return -ENOMEM; |
| 58 | } |
| 59 | return 0; |
| 60 | } |
| 61 | #endif |
| 62 | |
| 63 | struct wifi_platform_data sapphire_wifi_control = { |
| 64 | .set_power = sapphire_wifi_power, |
| 65 | .set_reset = sapphire_wifi_reset, |
| 66 | .set_carddetect = sapphire_wifi_set_carddetect, |
| 67 | #ifdef CONFIG_WIFI_MEM_PREALLOC |
| 68 | .mem_prealloc = sapphire_wifi_mem_prealloc, |
| 69 | #else |
| 70 | .mem_prealloc = NULL, |
| 71 | #endif |
| 72 | }; |
| 73 | |
| 74 | #endif |