Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/bluetooth/btmrvl_sdio.h
15109 views
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))

113


114