drivers/bluetooth/btmrvl_sdio.h

   1 /**
   2  * Marvell BT-over-SDIO driver: SDIO interface related definitions
   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
  22 #define SDIO_HEADER_LEN                 4
  23
  24 /* SD block size can not bigger than 64 due to buf size limit in firmware */
  25 /* define SD block size for data Tx/Rx */
  26 #define SDIO_BLOCK_SIZE                 64
  27
  28 /* Number of blocks for firmware transfer */
  29 #define FIRMWARE_TRANSFER_NBLOCK        2
  30
  31 /* This is for firmware specific length */
  32 #define FW_EXTRA_LEN                    36
  33
  34 #define MRVDRV_SIZE_OF_CMD_BUFFER       (2 * 1024)
  35
  36 #define MRVDRV_BT_RX_PACKET_BUFFER_SIZE \
  37         (HCI_MAX_FRAME_SIZE + FW_EXTRA_LEN)
  38
  39 #define ALLOC_BUF_SIZE  (((max_t (int, MRVDRV_BT_RX_PACKET_BUFFER_SIZE, \
  40                         MRVDRV_SIZE_OF_CMD_BUFFER) + SDIO_HEADER_LEN \
  41                         + SDIO_BLOCK_SIZE - 1) / SDIO_BLOCK_SIZE) \
  42                         * SDIO_BLOCK_SIZE)
  43
  44 /* The number of times to try when polling for status */
  45 #define MAX_POLL_TRIES                  100
  46
  47 /* Max retry number of CMD53 write */
  48 #define MAX_WRITE_IOMEM_RETRY           2
  49
  50 /* register bitmasks */
  51 #define HOST_POWER_UP                           BIT(1)
  52 #define HOST_CMD53_FIN                          BIT(2)
  53
  54 #define HIM_DISABLE                             0xff
  55 #define HIM_ENABLE                              (BIT(0) | BIT(1))
  56
  57 #define UP_LD_HOST_INT_STATUS                   BIT(0)
  58 #define DN_LD_HOST_INT_STATUS                   BIT(1)
  59
  60 #define DN_LD_CARD_RDY                          BIT(0)
  61 #define CARD_IO_READY                           BIT(3)
  62
  63 #define FIRMWARE_READY                          0xfedc
  64
  65
  66 struct btmrvl_sdio_card_reg {
  67         u8 cfg;
  68         u8 host_int_mask;
  69         u8 host_intstatus;
  70         u8 card_status;
  71         u8 sq_read_base_addr_a0;
  72         u8 sq_read_base_addr_a1;
  73         u8 card_revision;
  74         u8 card_fw_status0;
  75         u8 card_fw_status1;
  76         u8 card_rx_len;
  77         u8 card_rx_unit;
  78         u8 io_port_0;
  79         u8 io_port_1;
  80         u8 io_port_2;
  81 };
  82
  83 struct btmrvl_sdio_card {
  84         struct sdio_func *func;
  85         u32 ioport;
  86         const char *helper;
  87         const char *firmware;
  88         const struct btmrvl_sdio_card_reg *reg;
  89         u16 sd_blksz_fw_dl;
  90         u8 rx_unit;
  91         struct btmrvl_private *priv;
  92 };
  93
  94 struct btmrvl_sdio_device {
  95         const char *helper;
  96         const char *firmware;
  97         const struct btmrvl_sdio_card_reg *reg;
  98         u16 sd_blksz_fw_dl;
  99 };
 100
 101
 102 /* Platform specific DMA alignment */
 103 #define BTSDIO_DMA_ALIGN                8
 104
 105 /* Macros for Data Alignment : size */
 106 #define ALIGN_SZ(p, a)  \
 107         (((p) + ((a) - 1)) & ~((a) - 1))
 108
 109 /* Macros for Data Alignment : address */
 110 #define ALIGN_ADDR(p, a)        \
 111         ((((unsigned long)(p)) + (((unsigned long)(a)) - 1)) & \
 112                                         ~(((unsigned long)(a)) - 1))