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kernel/linux-imx6_3.14.28/drivers/bluetooth/btmrvl_sdio.h 2.97 KB
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  /**
   * Marvell BT-over-SDIO driver: SDIO interface related definitions
   *
   * Copyright (C) 2009, Marvell International Ltd.
   *
   * This software file (the "File") is distributed by Marvell International
   * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   * (the "License").  You may use, redistribute and/or modify this File in
   * accordance with the terms and conditions of the License, a copy of which
   * is available by writing to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
   * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
   *
   *
   * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
   * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
   * this warranty disclaimer.
   *
   **/
  
  #define SDIO_HEADER_LEN			4
  
  /* SD block size can not bigger than 64 due to buf size limit in firmware */
  /* define SD block size for data Tx/Rx */
  #define SDIO_BLOCK_SIZE			64
  
  /* Number of blocks for firmware transfer */
  #define FIRMWARE_TRANSFER_NBLOCK	2
  
  /* This is for firmware specific length */
  #define FW_EXTRA_LEN			36
  
  #define MRVDRV_SIZE_OF_CMD_BUFFER       (2 * 1024)
  
  #define MRVDRV_BT_RX_PACKET_BUFFER_SIZE \
  	(HCI_MAX_FRAME_SIZE + FW_EXTRA_LEN)
  
  #define ALLOC_BUF_SIZE	(((max_t (int, MRVDRV_BT_RX_PACKET_BUFFER_SIZE, \
  			MRVDRV_SIZE_OF_CMD_BUFFER) + SDIO_HEADER_LEN \
  			+ SDIO_BLOCK_SIZE - 1) / SDIO_BLOCK_SIZE) \
  			* SDIO_BLOCK_SIZE)
  
  /* The number of times to try when polling for status */
  #define MAX_POLL_TRIES			100
  
  /* Max retry number of CMD53 write */
  #define MAX_WRITE_IOMEM_RETRY		2
  
  /* register bitmasks */
  #define HOST_POWER_UP				BIT(1)
  #define HOST_CMD53_FIN				BIT(2)
  
  #define HIM_DISABLE				0xff
  #define HIM_ENABLE				(BIT(0) | BIT(1))
  
  #define UP_LD_HOST_INT_STATUS			BIT(0)
  #define DN_LD_HOST_INT_STATUS			BIT(1)
  
  #define DN_LD_CARD_RDY				BIT(0)
  #define CARD_IO_READY				BIT(3)
  
  #define FIRMWARE_READY				0xfedc
  
  
  struct btmrvl_sdio_card_reg {
  	u8 cfg;
  	u8 host_int_mask;
  	u8 host_intstatus;
  	u8 card_status;
  	u8 sq_read_base_addr_a0;
  	u8 sq_read_base_addr_a1;
  	u8 card_revision;
  	u8 card_fw_status0;
  	u8 card_fw_status1;
  	u8 card_rx_len;
  	u8 card_rx_unit;
  	u8 io_port_0;
  	u8 io_port_1;
  	u8 io_port_2;
  };
  
  struct btmrvl_sdio_card {
  	struct sdio_func *func;
  	u32 ioport;
  	const char *helper;
  	const char *firmware;
  	const struct btmrvl_sdio_card_reg *reg;
  	u16 sd_blksz_fw_dl;
  	u8 rx_unit;
  	struct btmrvl_private *priv;
  };
  
  struct btmrvl_sdio_device {
  	const char *helper;
  	const char *firmware;
  	const struct btmrvl_sdio_card_reg *reg;
  	u16 sd_blksz_fw_dl;
  };
  
  
  /* Platform specific DMA alignment */
  #define BTSDIO_DMA_ALIGN		8
  
  /* Macros for Data Alignment : size */
  #define ALIGN_SZ(p, a)	\
  	(((p) + ((a) - 1)) & ~((a) - 1))
  
  /* Macros for Data Alignment : address */
  #define ALIGN_ADDR(p, a)	\
  	((((unsigned long)(p)) + (((unsigned long)(a)) - 1)) & \
  					~(((unsigned long)(a)) - 1))