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ark1668ed-bsp
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linux
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drivers
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net
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wireless
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broadcom
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b43legacy
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main.h

main.h 2.9 KB
Állandó hivatkozás Előzmények Nyers

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
    2. 

  2. /*
    3. 

  3. 

  4.   Broadcom B43legacy wireless driver
    5. 

  5. 

  6.   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
    7. 

  7.   Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
    8. 

  8.   Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch>
    9. 

  9.   Copyright (c) 2005  Danny van Dyk <kugelfang@gentoo.org>
    10. 

  10.   Copyright (c) 2005  Andreas Jaggi <andreas.jaggi@waterwave.ch>
    11. 

  11.   Copyright (c) 2007  Larry Finger <Larry.Finger@lwfinger.net>
    12. 

  12. 

  13.   Some parts of the code in this file are derived from the ipw2200
    14. 

  14.   driver  Copyright(c) 2003 - 2004 Intel Corporation.
    15. 

  15. 

  16. 

  17. */
    18. 

  18. 

  19. #ifndef B43legacy_MAIN_H_
    20. 

  20. #define B43legacy_MAIN_H_
    21. 

  21. 

  22. #include "b43legacy.h"
    23. 

  23. 

  24. 

  25. #define P4D_BYT3S(magic, nr_bytes)	u8 __p4dding##magic[nr_bytes]
    26. 

  26. #define P4D_BYTES(line, nr_bytes)	P4D_BYT3S(line, nr_bytes)
    27. 

  27. /* Magic helper macro to pad structures. Ignore those above. It's magic. */
    28. 

  28. #define PAD_BYTES(nr_bytes)		P4D_BYTES(__LINE__ , (nr_bytes))
    29. 

  29. 

  30. 

  31. /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
    32. 

  32. static inline
    33. 

  33. u8 b43legacy_freq_to_channel_bg(int freq)
    34. 

  34. {
    35. 

  35. 	u8 channel;
    36. 

  36. 

  37. 	if (freq == 2484)
    38. 

  38. 		channel = 14;
    39. 

  39. 	else
    40. 

  40. 		channel = (freq - 2407) / 5;
    41. 

  41. 

  42. 	return channel;
    43. 

  43. }
    44. 

  44. static inline
    45. 

  45. u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev,
    46. 

  46. 			     int freq)
    47. 

  47. {
    48. 

  48. 	return b43legacy_freq_to_channel_bg(freq);
    49. 

  49. }
    50. 

  50. 

  51. /* Lightweight function to convert a channel number to a frequency (in Mhz). */
    52. 

  52. static inline
    53. 

  53. int b43legacy_channel_to_freq_bg(u8 channel)
    54. 

  54. {
    55. 

  55. 	int freq;
    56. 

  56. 

  57. 	if (channel == 14)
    58. 

  58. 		freq = 2484;
    59. 

  59. 	else
    60. 

  60. 		freq = 2407 + (5 * channel);
    61. 

  61. 

  62. 	return freq;
    63. 

  63. }
    64. 

  64. 

  65. static inline
    66. 

  66. int b43legacy_channel_to_freq(struct b43legacy_wldev *dev,
    67. 

  67. 			      u8 channel)
    68. 

  68. {
    69. 

  69. 	return b43legacy_channel_to_freq_bg(channel);
    70. 

  70. }
    71. 

  71. 

  72. static inline
    73. 

  73. int b43legacy_is_cck_rate(int rate)
    74. 

  74. {
    75. 

  75. 	return (rate == B43legacy_CCK_RATE_1MB ||
    76. 

  76. 		rate == B43legacy_CCK_RATE_2MB ||
    77. 

  77. 		rate == B43legacy_CCK_RATE_5MB ||
    78. 

  78. 		rate == B43legacy_CCK_RATE_11MB);
    79. 

  79. }
    80. 

  80. 

  81. static inline
    82. 

  82. int b43legacy_is_ofdm_rate(int rate)
    83. 

  83. {
    84. 

  84. 	return !b43legacy_is_cck_rate(rate);
    85. 

  85. }
    86. 

  86. 

  87. void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf);
    88. 

  88. void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf);
    89. 

  89. 

  90. u32 b43legacy_shm_read32(struct b43legacy_wldev *dev,
    91. 

  91. 			 u16 routing, u16 offset);
    92. 

  92. u16 b43legacy_shm_read16(struct b43legacy_wldev *dev,
    93. 

  93. 			 u16 routing, u16 offset);
    94. 

  94. void b43legacy_shm_write32(struct b43legacy_wldev *dev,
    95. 

  95. 			 u16 routing, u16 offset,
    96. 

  96. 			 u32 value);
    97. 

  97. void b43legacy_shm_write16(struct b43legacy_wldev *dev,
    98. 

  98. 			 u16 routing, u16 offset,
    99. 

  99. 			 u16 value);
    100. 

  100. 

  101. u32 b43legacy_hf_read(struct b43legacy_wldev *dev);
    102. 

  102. void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value);
    103. 

  103. 

  104. void b43legacy_dummy_transmission(struct b43legacy_wldev *dev);
    105. 

  105. 

  106. void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags);
    107. 

  107. 

  108. void b43legacy_mac_suspend(struct b43legacy_wldev *dev);
    109. 

  109. void b43legacy_mac_enable(struct b43legacy_wldev *dev);
    110. 

  110. 

  111. void b43legacy_controller_restart(struct b43legacy_wldev *dev,
    112. 

  112. 				  const char *reason);
    113. 

  113. 

  114. #endif /* B43legacy_MAIN_H_ */
    115.