diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/spi.h')
-rw-r--r-- | drivers/net/wireless/wl12xx/spi.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/spi.h b/drivers/net/wireless/wl12xx/spi.h new file mode 100644 index 000000000000..fd3227e904a8 --- /dev/null +++ b/drivers/net/wireless/wl12xx/spi.h | |||
@@ -0,0 +1,109 @@ | |||
1 | /* | ||
2 | * This file is part of wl12xx | ||
3 | * | ||
4 | * Copyright (c) 1998-2007 Texas Instruments Incorporated | ||
5 | * Copyright (C) 2008 Nokia Corporation | ||
6 | * | ||
7 | * Contact: Kalle Valo <kalle.valo@nokia.com> | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * version 2 as published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, but | ||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
21 | * 02110-1301 USA | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #ifndef __WL12XX_SPI_H__ | ||
26 | #define __WL12XX_SPI_H__ | ||
27 | |||
28 | #include "cmd.h" | ||
29 | #include "acx.h" | ||
30 | #include "reg.h" | ||
31 | |||
32 | #define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0 | ||
33 | |||
34 | #define HW_ACCESS_PART0_SIZE_ADDR 0x1FFC0 | ||
35 | #define HW_ACCESS_PART0_START_ADDR 0x1FFC4 | ||
36 | #define HW_ACCESS_PART1_SIZE_ADDR 0x1FFC8 | ||
37 | #define HW_ACCESS_PART1_START_ADDR 0x1FFCC | ||
38 | |||
39 | #define HW_ACCESS_REGISTER_SIZE 4 | ||
40 | |||
41 | #define HW_ACCESS_PRAM_MAX_RANGE 0x3c000 | ||
42 | |||
43 | #define WSPI_CMD_READ 0x40000000 | ||
44 | #define WSPI_CMD_WRITE 0x00000000 | ||
45 | #define WSPI_CMD_FIXED 0x20000000 | ||
46 | #define WSPI_CMD_BYTE_LENGTH 0x1FFE0000 | ||
47 | #define WSPI_CMD_BYTE_LENGTH_OFFSET 17 | ||
48 | #define WSPI_CMD_BYTE_ADDR 0x0001FFFF | ||
49 | |||
50 | #define WSPI_INIT_CMD_CRC_LEN 5 | ||
51 | |||
52 | #define WSPI_INIT_CMD_START 0x00 | ||
53 | #define WSPI_INIT_CMD_TX 0x40 | ||
54 | /* the extra bypass bit is sampled by the TNET as '1' */ | ||
55 | #define WSPI_INIT_CMD_BYPASS_BIT 0x80 | ||
56 | #define WSPI_INIT_CMD_FIXEDBUSY_LEN 0x07 | ||
57 | #define WSPI_INIT_CMD_EN_FIXEDBUSY 0x80 | ||
58 | #define WSPI_INIT_CMD_DIS_FIXEDBUSY 0x00 | ||
59 | #define WSPI_INIT_CMD_IOD 0x40 | ||
60 | #define WSPI_INIT_CMD_IP 0x20 | ||
61 | #define WSPI_INIT_CMD_CS 0x10 | ||
62 | #define WSPI_INIT_CMD_WS 0x08 | ||
63 | #define WSPI_INIT_CMD_WSPI 0x01 | ||
64 | #define WSPI_INIT_CMD_END 0x01 | ||
65 | |||
66 | #define WSPI_INIT_CMD_LEN 8 | ||
67 | |||
68 | #define TNETWIF_READ_OFFSET_BYTES 8 | ||
69 | #define HW_ACCESS_WSPI_FIXED_BUSY_LEN \ | ||
70 | ((TNETWIF_READ_OFFSET_BYTES - 4) / sizeof(u32)) | ||
71 | #define HW_ACCESS_WSPI_INIT_CMD_MASK 0 | ||
72 | |||
73 | |||
74 | /* Raw target IO, address is not translated */ | ||
75 | void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, size_t len); | ||
76 | void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, size_t len); | ||
77 | |||
78 | /* Memory target IO, address is tranlated to partition 0 */ | ||
79 | void wl12xx_spi_mem_read(struct wl12xx *wl, int addr, void *buf, size_t len); | ||
80 | void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, size_t len); | ||
81 | u32 wl12xx_mem_read32(struct wl12xx *wl, int addr); | ||
82 | void wl12xx_mem_write32(struct wl12xx *wl, int addr, u32 val); | ||
83 | |||
84 | /* Registers IO */ | ||
85 | u32 wl12xx_reg_read32(struct wl12xx *wl, int addr); | ||
86 | void wl12xx_reg_write32(struct wl12xx *wl, int addr, u32 val); | ||
87 | |||
88 | /* INIT and RESET words */ | ||
89 | void wl12xx_spi_reset(struct wl12xx *wl); | ||
90 | void wl12xx_spi_init(struct wl12xx *wl); | ||
91 | void wl12xx_set_partition(struct wl12xx *wl, | ||
92 | u32 part_start, u32 part_size, | ||
93 | u32 reg_start, u32 reg_size); | ||
94 | |||
95 | static inline u32 wl12xx_read32(struct wl12xx *wl, int addr) | ||
96 | { | ||
97 | u32 response; | ||
98 | |||
99 | wl12xx_spi_read(wl, addr, &response, sizeof(u32)); | ||
100 | |||
101 | return response; | ||
102 | } | ||
103 | |||
104 | static inline void wl12xx_write32(struct wl12xx *wl, int addr, u32 val) | ||
105 | { | ||
106 | wl12xx_spi_write(wl, addr, &val, sizeof(u32)); | ||
107 | } | ||
108 | |||
109 | #endif /* __WL12XX_SPI_H__ */ | ||