/arch/arm/mach-msm/board-trout-wifi.c

https://github.com/AICP/kernel_google_msm · C · 74 lines · 50 code · 9 blank · 15 comment · 6 complexity · 999c9dbf569fee2935b6c93e59a33e25 MD5 · raw file 

    

  1. /* arch/arm/mach-msm/board-trout-wifi.c
    2. 

  2.  *
    3. 

  3.  * Copyright (C) 2008 Google, Inc.
    4. 

  4.  * Author: Dmitry Shmidt <dimitrysh@google.com>
    5. 

  5.  *
    6. 

  6.  * This software is licensed under the terms of the GNU General Public
    7. 

  7.  * License version 2, as published by the Free Software Foundation, and
    8. 

  8.  * may be copied, distributed, and modified under those terms.
    9. 

  9.  *
    10. 

  10.  * This program is distributed in the hope that it will be useful,
    11. 

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12. 

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13. 

  13.  * GNU General Public License for more details.
    14. 

  14.  *
    15. 

  15.  */
    16. 

  16. 

  17. #ifdef CONFIG_WIFI_CONTROL_FUNC
    18. 

  18. #include <linux/kernel.h>
    19. 

  19. #include <linux/init.h>
    20. 

  20. #include <linux/platform_device.h>
    21. 

  21. #include <linux/vmalloc.h>
    22. 

  22. #include <linux/err.h>
    23. 

  23. #include <linux/wifi_tiwlan.h>
    24. 

  24. 

  25. extern int trout_wifi_set_carddetect(int val);
    26. 

  26. extern int trout_wifi_power(int on);
    27. 

  27. extern int trout_wifi_reset(int on);
    28. 

  28. 

  29. #ifdef CONFIG_WIFI_MEM_PREALLOC
    30. 

  30. typedef struct wifi_mem_prealloc_struct {
    31. 

  31. 	void *mem_ptr;
    32. 

  32. 	unsigned long size;
    33. 

  33. } wifi_mem_prealloc_t;
    34. 

  34. 

  35. static wifi_mem_prealloc_t wifi_mem_array[WMPA_NUMBER_OF_SECTIONS] = {
    36. 

  36. 	{ NULL, (WMPA_SECTION_SIZE_0 + WMPA_SECTION_HEADER) },
    37. 

  37. 	{ NULL, (WMPA_SECTION_SIZE_1 + WMPA_SECTION_HEADER) },
    38. 

  38. 	{ NULL, (WMPA_SECTION_SIZE_2 + WMPA_SECTION_HEADER) }
    39. 

  39. };
    40. 

  40. 

  41. static void *trout_wifi_mem_prealloc(int section, unsigned long size)
    42. 

  42. {
    43. 

  43. 	if( (section < 0) || (section >= WMPA_NUMBER_OF_SECTIONS) )
    44. 

  44. 		return NULL;
    45. 

  45. 	if( wifi_mem_array[section].size < size )
    46. 

  46. 		return NULL;
    47. 

  47. 	return wifi_mem_array[section].mem_ptr;
    48. 

  48. }
    49. 

  49. 

  50. int __init trout_init_wifi_mem( void )
    51. 

  51. {
    52. 

  52. 	int i;
    53. 

  53. 

  54. 	for(i=0;( i < WMPA_NUMBER_OF_SECTIONS );i++) {
    55. 

  55. 		wifi_mem_array[i].mem_ptr = vmalloc(wifi_mem_array[i].size);
    56. 

  56. 		if( wifi_mem_array[i].mem_ptr == NULL )
    57. 

  57. 			return -ENOMEM;
    58. 

  58. 	}
    59. 

  59. 	return 0;
    60. 

  60. }
    61. 

  61. #endif
    62. 

  62. 

  63. struct wifi_platform_data trout_wifi_control = {
    64. 

  64. 	.set_power		= trout_wifi_power,
    65. 

  65. 	.set_reset		= trout_wifi_reset,
    66. 

  66. 	.set_carddetect		= trout_wifi_set_carddetect,
    67. 

  67. #ifdef CONFIG_WIFI_MEM_PREALLOC
    68. 

  68. 	.mem_prealloc		= trout_wifi_mem_prealloc,
    69. 

  69. #else
    70. 

  70. 	.mem_prealloc		= NULL,
    71. 

  71. #endif	
    72. 

  72. };
    73. 

  73. 

  74. #endif
    75.