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-rw-r--r--e_os.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/e_os.h b/e_os.h
index 8c4223bc53..6aa0f73ed0 100644
--- a/e_os.h
+++ b/e_os.h
@@ -477,7 +477,9 @@ struct servent *PASCAL getservbyname(const char *, const char *);
/*
* Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because
* the value constitutes an index in per-process table of limited size
- * and not a real pointer.
+ * and not a real pointer. And we also depend on fact that all processors
+ * Windows run on happen to be two's-complement, which allows to
+ * interchange INVALID_SOCKET and -1.
*/
# define socket(d,t,p) ((int)socket(d,t,p))
# define accept(s,f,l) ((int)accept(s,f,l))
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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_plt_wake_cfg {
	int irq_bt;
	bool wake_by_bt;
};

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;
	bool int_read_to_clear;
	u8 host_int_rsr;
	u8 card_misc_cfg;
	u8 fw_dump_ctrl;
	u8 fw_dump_start;
	u8 fw_dump_end;
};

struct btmrvl_sdio_card {
	struct sdio_func *func;
	u32 ioport;
	const char *helper;
	const char *firmware;
	const struct btmrvl_sdio_card_reg *reg;
	bool support_pscan_win_report;
	bool supports_fw_dump;
	u16 sd_blksz_fw_dl;
	u8 rx_unit;
	struct btmrvl_private *priv;
	struct device_node *plt_of_node;
	struct btmrvl_plt_wake_cfg *plt_wake_cfg;
};

struct btmrvl_sdio_device {
	const char *helper;
	const char *firmware;
	const struct btmrvl_sdio_card_reg *reg;
	const bool support_pscan_win_report;
	u16 sd_blksz_fw_dl;
	bool supports_fw_dump;
};


/* 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))