btmrvl_drv.h 5.0 KB

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  1. /*
  2. * Marvell Bluetooth driver: global definitions & declarations
  3. *
  4. * Copyright (C) 2009, Marvell International Ltd.
  5. *
  6. * This software file (the "File") is distributed by Marvell International
  7. * Ltd. under the terms of the GNU General Public License Version 2, June 1991
  8. * (the "License"). You may use, redistribute and/or modify this File in
  9. * accordance with the terms and conditions of the License, a copy of which
  10. * is available by writing to the Free Software Foundation, Inc.,
  11. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12. * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13. *
  14. *
  15. * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  16. * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  17. * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
  18. * this warranty disclaimer.
  19. *
  20. */
  21. #include <linux/kthread.h>
  22. #include <linux/bitops.h>
  23. #include <linux/slab.h>
  24. #include <net/bluetooth/bluetooth.h>
  25. #include <linux/err.h>
  26. #include <linux/gfp.h>
  27. #include <linux/interrupt.h>
  28. #include <linux/io.h>
  29. #include <linux/of_platform.h>
  30. #include <linux/platform_device.h>
  31. #include <linux/pm_runtime.h>
  32. #include <linux/of_irq.h>
  33. #define BTM_HEADER_LEN 4
  34. #define BTM_UPLD_SIZE 2312
  35. /* Time to wait until Host Sleep state change in millisecond */
  36. #define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000)
  37. /* Time to wait for command response in millisecond */
  38. #define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000)
  39. enum rdwr_status {
  40. RDWR_STATUS_SUCCESS = 0,
  41. RDWR_STATUS_FAILURE = 1,
  42. RDWR_STATUS_DONE = 2
  43. };
  44. #define FW_DUMP_MAX_NAME_LEN 8
  45. #define FW_DUMP_HOST_READY 0xEE
  46. #define FW_DUMP_DONE 0xFF
  47. #define FW_DUMP_READ_DONE 0xFE
  48. struct memory_type_mapping {
  49. u8 mem_name[FW_DUMP_MAX_NAME_LEN];
  50. u8 *mem_ptr;
  51. u32 mem_size;
  52. u8 done_flag;
  53. };
  54. struct btmrvl_thread {
  55. struct task_struct *task;
  56. wait_queue_head_t wait_q;
  57. void *priv;
  58. };
  59. struct btmrvl_device {
  60. void *card;
  61. struct hci_dev *hcidev;
  62. u8 dev_type;
  63. u8 tx_dnld_rdy;
  64. u8 psmode;
  65. u8 pscmd;
  66. u8 hsmode;
  67. u8 hscmd;
  68. /* Low byte is gap, high byte is GPIO */
  69. u16 gpio_gap;
  70. u8 hscfgcmd;
  71. u8 sendcmdflag;
  72. };
  73. struct btmrvl_adapter {
  74. void *hw_regs_buf;
  75. u8 *hw_regs;
  76. u32 int_count;
  77. struct sk_buff_head tx_queue;
  78. u8 psmode;
  79. u8 ps_state;
  80. u8 hs_state;
  81. u8 wakeup_tries;
  82. wait_queue_head_t cmd_wait_q;
  83. wait_queue_head_t event_hs_wait_q;
  84. u8 cmd_complete;
  85. bool is_suspended;
  86. bool is_suspending;
  87. };
  88. struct btmrvl_private {
  89. struct btmrvl_device btmrvl_dev;
  90. struct btmrvl_adapter *adapter;
  91. struct btmrvl_thread main_thread;
  92. int (*hw_host_to_card)(struct btmrvl_private *priv,
  93. u8 *payload, u16 nb);
  94. int (*hw_wakeup_firmware)(struct btmrvl_private *priv);
  95. int (*hw_process_int_status)(struct btmrvl_private *priv);
  96. spinlock_t driver_lock; /* spinlock used by driver */
  97. #ifdef CONFIG_DEBUG_FS
  98. void *debugfs_data;
  99. #endif
  100. bool surprise_removed;
  101. };
  102. #define MRVL_VENDOR_PKT 0xFE
  103. /* Vendor specific Bluetooth commands */
  104. #define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03
  105. #define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D
  106. #define BT_CMD_SET_BDADDR 0xFC22
  107. #define BT_CMD_AUTO_SLEEP_MODE 0xFC23
  108. #define BT_CMD_HOST_SLEEP_CONFIG 0xFC59
  109. #define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A
  110. #define BT_CMD_MODULE_CFG_REQ 0xFC5B
  111. #define BT_CMD_LOAD_CONFIG_DATA 0xFC61
  112. /* Sub-commands: Module Bringup/Shutdown Request/Response */
  113. #define MODULE_BRINGUP_REQ 0xF1
  114. #define MODULE_BROUGHT_UP 0x00
  115. #define MODULE_ALREADY_UP 0x0C
  116. #define MODULE_SHUTDOWN_REQ 0xF2
  117. /* Vendor specific Bluetooth events */
  118. #define BT_EVENT_AUTO_SLEEP_MODE 0x23
  119. #define BT_EVENT_HOST_SLEEP_CONFIG 0x59
  120. #define BT_EVENT_HOST_SLEEP_ENABLE 0x5A
  121. #define BT_EVENT_MODULE_CFG_REQ 0x5B
  122. #define BT_EVENT_POWER_STATE 0x20
  123. /* Bluetooth Power States */
  124. #define BT_PS_ENABLE 0x02
  125. #define BT_PS_DISABLE 0x03
  126. #define BT_PS_SLEEP 0x01
  127. /* Host Sleep states */
  128. #define HS_ACTIVATED 0x01
  129. #define HS_DEACTIVATED 0x00
  130. /* Power Save modes */
  131. #define PS_SLEEP 0x01
  132. #define PS_AWAKE 0x00
  133. #define BT_CAL_HDR_LEN 4
  134. #define BT_CAL_DATA_SIZE 28
  135. struct btmrvl_event {
  136. u8 ec; /* event counter */
  137. u8 length;
  138. u8 data[4];
  139. } __packed;
  140. /* Prototype of global function */
  141. int btmrvl_register_hdev(struct btmrvl_private *priv);
  142. struct btmrvl_private *btmrvl_add_card(void *card);
  143. int btmrvl_remove_card(struct btmrvl_private *priv);
  144. void btmrvl_interrupt(struct btmrvl_private *priv);
  145. bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
  146. int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
  147. int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
  148. int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);
  149. int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
  150. int btmrvl_enable_ps(struct btmrvl_private *priv);
  151. int btmrvl_prepare_command(struct btmrvl_private *priv);
  152. int btmrvl_enable_hs(struct btmrvl_private *priv);
  153. #ifdef CONFIG_DEBUG_FS
  154. void btmrvl_debugfs_init(struct hci_dev *hdev);
  155. void btmrvl_debugfs_remove(struct hci_dev *hdev);
  156. #endif