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android_kernel_...
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drivers
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net
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wireless
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intersil
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p54
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p54pci.h

p54pci.h 3.0 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. #ifndef P54PCI_H
    3. 

  3. #define P54PCI_H
    4. 

  4. #include <linux/interrupt.h>
    5. 

  5. 

  6. /*
    7. 

  7.  * Defines for PCI based mac80211 Prism54 driver
    8. 

  8.  *
    9. 

  9.  * Copyright (c) 2006, Michael Wu <[email protected]>
    10. 

  10.  *
    11. 

  11.  * Based on the islsm (softmac prism54) driver, which is:
    12. 

  12.  * Copyright 2004-2006 Jean-Baptiste Note <[email protected]>, et al.
    13. 

  13.  */
    14. 

  14. 

  15. /* Device Interrupt register bits */
    16. 

  16. #define ISL38XX_DEV_INT_RESET                   0x0001
    17. 

  17. #define ISL38XX_DEV_INT_UPDATE                  0x0002
    18. 

  18. #define ISL38XX_DEV_INT_WAKEUP                  0x0008
    19. 

  19. #define ISL38XX_DEV_INT_SLEEP                   0x0010
    20. 

  20. #define ISL38XX_DEV_INT_ABORT                   0x0020
    21. 

  21. /* these two only used in USB */
    22. 

  22. #define ISL38XX_DEV_INT_DATA                    0x0040
    23. 

  23. #define ISL38XX_DEV_INT_MGMT                    0x0080
    24. 

  24. 

  25. #define ISL38XX_DEV_INT_PCIUART_CTS             0x4000
    26. 

  26. #define ISL38XX_DEV_INT_PCIUART_DR              0x8000
    27. 

  27. 

  28. /* Interrupt Identification/Acknowledge/Enable register bits */
    29. 

  29. #define ISL38XX_INT_IDENT_UPDATE		0x0002
    30. 

  30. #define ISL38XX_INT_IDENT_INIT			0x0004
    31. 

  31. #define ISL38XX_INT_IDENT_WAKEUP		0x0008
    32. 

  32. #define ISL38XX_INT_IDENT_SLEEP			0x0010
    33. 

  33. #define ISL38XX_INT_IDENT_PCIUART_CTS		0x4000
    34. 

  34. #define ISL38XX_INT_IDENT_PCIUART_DR		0x8000
    35. 

  35. 

  36. /* Control/Status register bits */
    37. 

  37. #define ISL38XX_CTRL_STAT_SLEEPMODE		0x00000200
    38. 

  38. #define ISL38XX_CTRL_STAT_CLKRUN		0x00800000
    39. 

  39. #define ISL38XX_CTRL_STAT_RESET			0x10000000
    40. 

  40. #define ISL38XX_CTRL_STAT_RAMBOOT		0x20000000
    41. 

  41. #define ISL38XX_CTRL_STAT_STARTHALTED		0x40000000
    42. 

  42. #define ISL38XX_CTRL_STAT_HOST_OVERRIDE		0x80000000
    43. 

  43. 

  44. struct p54p_csr {
    45. 

  45. 	__le32 dev_int;
    46. 

  46. 	u8 unused_1[12];
    47. 

  47. 	__le32 int_ident;
    48. 

  48. 	__le32 int_ack;
    49. 

  49. 	__le32 int_enable;
    50. 

  50. 	u8 unused_2[4];
    51. 

  51. 	union {
    52. 

  52. 		__le32 ring_control_base;
    53. 

  53. 		__le32 gen_purp_com[2];
    54. 

  54. 	};
    55. 

  55. 	u8 unused_3[8];
    56. 

  56. 	__le32 direct_mem_base;
    57. 

  57. 	u8 unused_4[44];
    58. 

  58. 	__le32 dma_addr;
    59. 

  59. 	__le32 dma_len;
    60. 

  60. 	__le32 dma_ctrl;
    61. 

  61. 	u8 unused_5[12];
    62. 

  62. 	__le32 ctrl_stat;
    63. 

  63. 	u8 unused_6[1924];
    64. 

  64. 	u8 cardbus_cis[0x800];
    65. 

  65. 	u8 direct_mem_win[0x1000];
    66. 

  66. } __packed;
    67. 

  67. 

  68. /* usb backend only needs the register defines above */
    69. 

  69. #ifndef P54USB_H
    70. 

  70. struct p54p_desc {
    71. 

  71. 	__le32 host_addr;
    72. 

  72. 	__le32 device_addr;
    73. 

  73. 	__le16 len;
    74. 

  74. 	__le16 flags;
    75. 

  75. } __packed;
    76. 

  76. 

  77. struct p54p_ring_control {
    78. 

  78. 	__le32 host_idx[4];
    79. 

  79. 	__le32 device_idx[4];
    80. 

  80. 	struct p54p_desc rx_data[8];
    81. 

  81. 	struct p54p_desc tx_data[32];
    82. 

  82. 	struct p54p_desc rx_mgmt[4];
    83. 

  83. 	struct p54p_desc tx_mgmt[4];
    84. 

  84. } __packed;
    85. 

  85. 

  86. #define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
    87. 

  87. #define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
    88. 

  88. 

  89. struct p54p_priv {
    90. 

  90. 	struct p54_common common;
    91. 

  91. 	struct pci_dev *pdev;
    92. 

  92. 	struct p54p_csr __iomem *map;
    93. 

  93. 	struct tasklet_struct tasklet;
    94. 

  94. 	const struct firmware *firmware;
    95. 

  95. 	spinlock_t lock;
    96. 

  96. 	struct p54p_ring_control *ring_control;
    97. 

  97. 	dma_addr_t ring_control_dma;
    98. 

  98. 	u32 rx_idx_data, tx_idx_data;
    99. 

  99. 	u32 rx_idx_mgmt, tx_idx_mgmt;
    100. 

  100. 	struct sk_buff *rx_buf_data[8];
    101. 

  101. 	struct sk_buff *rx_buf_mgmt[4];
    102. 

  102. 	struct sk_buff *tx_buf_data[32];
    103. 

  103. 	struct sk_buff *tx_buf_mgmt[4];
    104. 

  104. 	struct completion boot_comp;
    105. 

  105. 	struct completion fw_loaded;
    106. 

  106. };
    107. 

  107. 

  108. #endif /* P54USB_H */
    109. 

  109. #endif /* P54PCI_H */
    110.