1/* SPDX-License-Identifier: GPL-2.0-only */
2/**
3 * Marvell BT-over-SDIO driver: SDIO interface related definitions
4 *
5 * Copyright (C) 2009, Marvell International Ltd.
6 **/
7
8#define SDIO_HEADER_LEN 4
9
10/* SD block size can not bigger than 64 due to buf size limit in firmware */
11/* define SD block size for data Tx/Rx */
12#define SDIO_BLOCK_SIZE 64
13
14/* Number of blocks for firmware transfer */
15#define FIRMWARE_TRANSFER_NBLOCK 2
16
17/* This is for firmware specific length */
18#define FW_EXTRA_LEN 36
19
20#define MRVDRV_SIZE_OF_CMD_BUFFER (2 * 1024)
21
22#define MRVDRV_BT_RX_PACKET_BUFFER_SIZE \
23 (HCI_MAX_FRAME_SIZE + FW_EXTRA_LEN)
24
25#define ALLOC_BUF_SIZE (((max_t (int, MRVDRV_BT_RX_PACKET_BUFFER_SIZE, \
26 MRVDRV_SIZE_OF_CMD_BUFFER) + SDIO_HEADER_LEN \
27 + SDIO_BLOCK_SIZE - 1) / SDIO_BLOCK_SIZE) \
28 * SDIO_BLOCK_SIZE)
29
30/* The number of times to try when polling for status */
31#define MAX_POLL_TRIES 100
32
33/* Max retry number of CMD53 write */
34#define MAX_WRITE_IOMEM_RETRY 2
35
36/* register bitmasks */
37#define HOST_POWER_UP BIT(1)
38#define HOST_CMD53_FIN BIT(2)
39
40#define HIM_DISABLE 0xff
41#define HIM_ENABLE (BIT(0) | BIT(1))
42
43#define UP_LD_HOST_INT_STATUS BIT(0)
44#define DN_LD_HOST_INT_STATUS BIT(1)
45
46#define DN_LD_CARD_RDY BIT(0)
47#define CARD_IO_READY BIT(3)
48
49#define FIRMWARE_READY 0xfedc
50
51struct btmrvl_plt_wake_cfg {
52 int irq_bt;
53 bool wake_by_bt;
54};
55
56struct btmrvl_sdio_card_reg {
57 u8 cfg;
58 u8 host_int_mask;
59 u8 host_intstatus;
60 u8 card_status;
61 u8 sq_read_base_addr_a0;
62 u8 sq_read_base_addr_a1;
63 u8 card_revision;
64 u8 card_fw_status0;
65 u8 card_fw_status1;
66 u8 card_rx_len;
67 u8 card_rx_unit;
68 u8 io_port_0;
69 u8 io_port_1;
70 u8 io_port_2;
71 bool int_read_to_clear;
72 u8 host_int_rsr;
73 u8 card_misc_cfg;
74 u8 fw_dump_ctrl;
75 u8 fw_dump_start;
76 u8 fw_dump_end;
77};
78
79struct btmrvl_sdio_card {
80 struct sdio_func *func;
81 u32 ioport;
82 const char *helper;
83 const char *firmware;
84 const struct btmrvl_sdio_card_reg *reg;
85 bool support_pscan_win_report;
86 bool supports_fw_dump;
87 u16 sd_blksz_fw_dl;
88 u8 rx_unit;
89 struct btmrvl_private *priv;
90 struct device_node *plt_of_node;
91 struct btmrvl_plt_wake_cfg *plt_wake_cfg;
92};
93
94struct btmrvl_sdio_device {
95 const char *helper;
96 const char *firmware;
97 const struct btmrvl_sdio_card_reg *reg;
98 const bool support_pscan_win_report;
99 u16 sd_blksz_fw_dl;
100 bool supports_fw_dump;
101};
102
103
104/* Platform specific DMA alignment */
105#define BTSDIO_DMA_ALIGN 8
106
107/* Macros for Data Alignment : size */
108#define ALIGN_SZ(p, a) \
109 (((p) + ((a) - 1)) & ~((a) - 1))
110
111/* Macros for Data Alignment : address */
112#define ALIGN_ADDR(p, a) \
113 ((((unsigned long)(p)) + (((unsigned long)(a)) - 1)) & \
114 ~(((unsigned long)(a)) - 1))
115

source code of linux/drivers/bluetooth/btmrvl_sdio.h