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 struct btmrvl_plt_wake_cfg {
66 int irq_bt;
67 bool wake_by_bt;
68 };
69
70 struct btmrvl_sdio_card_reg {
71 u8 cfg;
72 u8 host_int_mask;
73 u8 host_intstatus;
74 u8 card_status;
75 u8 sq_read_base_addr_a0;
76 u8 sq_read_base_addr_a1;
77 u8 card_revision;
78 u8 card_fw_status0;
79 u8 card_fw_status1;
80 u8 card_rx_len;
81 u8 card_rx_unit;
82 u8 io_port_0;
83 u8 io_port_1;
84 u8 io_port_2;
85 bool int_read_to_clear;
86 u8 host_int_rsr;
87 u8 card_misc_cfg;
88 u8 fw_dump_ctrl;
89 u8 fw_dump_start;
90 u8 fw_dump_end;
91 };
92
93 struct btmrvl_sdio_card {
94 struct sdio_func *func;
95 u32 ioport;
96 const char *helper;
97 const char *firmware;
98 const struct btmrvl_sdio_card_reg *reg;
99 bool support_pscan_win_report;
100 bool supports_fw_dump;
101 u16 sd_blksz_fw_dl;
102 u8 rx_unit;
103 struct btmrvl_private *priv;
104 struct device_node *plt_of_node;
105 struct btmrvl_plt_wake_cfg *plt_wake_cfg;
106 };
107
108 struct btmrvl_sdio_device {
109 const char *helper;
110 const char *firmware;
111 const struct btmrvl_sdio_card_reg *reg;
112 const bool support_pscan_win_report;
113 u16 sd_blksz_fw_dl;
114 bool supports_fw_dump;
115 };
116
117
118 /* Platform specific DMA alignment */
119 #define BTSDIO_DMA_ALIGN 8
120
121 /* Macros for Data Alignment : size */
122 #define ALIGN_SZ(p, a) \
123 (((p) + ((a) - 1)) & ~((a) - 1))
124
125 /* Macros for Data Alignment : address */
126 #define ALIGN_ADDR(p, a) \
127 ((((unsigned long)(p)) + (((unsigned long)(a)) - 1)) & \
128 ~(((unsigned long)(a)) - 1))