blob: 43d35a609ca9a94795afb731d230fa88ca109bef [file] [log] [blame]
Bing Zhao789221e2009-06-02 14:29:36 -07001/**
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
Bing Zhao789221e2009-06-02 14:29:36 -070022#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
Kevin Gan9f72c1d2011-04-08 18:19:33 -070050/* register bitmasks */
51#define HOST_POWER_UP BIT(1)
52#define HOST_CMD53_FIN BIT(2)
Bing Zhao789221e2009-06-02 14:29:36 -070053
Kevin Gan9f72c1d2011-04-08 18:19:33 -070054#define HIM_DISABLE 0xff
55#define HIM_ENABLE (BIT(0) | BIT(1))
Bing Zhao789221e2009-06-02 14:29:36 -070056
Kevin Gan9f72c1d2011-04-08 18:19:33 -070057#define UP_LD_HOST_INT_STATUS BIT(0)
58#define DN_LD_HOST_INT_STATUS BIT(1)
Bing Zhao789221e2009-06-02 14:29:36 -070059
Kevin Gan9f72c1d2011-04-08 18:19:33 -070060#define DN_LD_CARD_RDY BIT(0)
61#define CARD_IO_READY BIT(3)
Bing Zhao789221e2009-06-02 14:29:36 -070062
Kevin Gan9f72c1d2011-04-08 18:19:33 -070063#define FIRMWARE_READY 0xfedc
Bing Zhao789221e2009-06-02 14:29:36 -070064
Bing Zhao789221e2009-06-02 14:29:36 -070065
Kevin Gan9f72c1d2011-04-08 18:19:33 -070066struct 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};
Bing Zhao789221e2009-06-02 14:29:36 -070082
83struct btmrvl_sdio_card {
84 struct sdio_func *func;
85 u32 ioport;
86 const char *helper;
87 const char *firmware;
Kevin Gan9f72c1d2011-04-08 18:19:33 -070088 const struct btmrvl_sdio_card_reg *reg;
89 u16 sd_blksz_fw_dl;
Bing Zhao789221e2009-06-02 14:29:36 -070090 u8 rx_unit;
91 struct btmrvl_private *priv;
92};
93
94struct btmrvl_sdio_device {
Bing Zhao789221e2009-06-02 14:29:36 -070095 const char *helper;
96 const char *firmware;
Kevin Gan9f72c1d2011-04-08 18:19:33 -070097 const struct btmrvl_sdio_card_reg *reg;
98 u16 sd_blksz_fw_dl;
Bing Zhao789221e2009-06-02 14:29:36 -070099};
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) \
Bing Zhao3318b232009-07-08 11:44:14 -0700111 ((((unsigned long)(p)) + (((unsigned long)(a)) - 1)) & \
112 ~(((unsigned long)(a)) - 1))