1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * tifm.h - TI FlashMedia driver |
4 | * |
5 | * Copyright (C) 2006 Alex Dubov <oakad@yahoo.com> |
6 | */ |
7 | |
8 | #ifndef _TIFM_H |
9 | #define _TIFM_H |
10 | |
11 | #include <linux/spinlock.h> |
12 | #include <linux/interrupt.h> |
13 | #include <linux/delay.h> |
14 | #include <linux/pci.h> |
15 | #include <linux/workqueue.h> |
16 | |
17 | /* Host registers (relative to pci base address): */ |
18 | enum { |
19 | FM_SET_INTERRUPT_ENABLE = 0x008, |
20 | FM_CLEAR_INTERRUPT_ENABLE = 0x00c, |
21 | FM_INTERRUPT_STATUS = 0x014 |
22 | }; |
23 | |
24 | /* Socket registers (relative to socket base address): */ |
25 | enum { |
26 | SOCK_CONTROL = 0x004, |
27 | SOCK_PRESENT_STATE = 0x008, |
28 | SOCK_DMA_ADDRESS = 0x00c, |
29 | SOCK_DMA_CONTROL = 0x010, |
30 | SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014, |
31 | SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018, |
32 | SOCK_DMA_FIFO_STATUS = 0x020, |
33 | SOCK_FIFO_CONTROL = 0x024, |
34 | SOCK_FIFO_PAGE_SIZE = 0x028, |
35 | SOCK_MMCSD_COMMAND = 0x104, |
36 | SOCK_MMCSD_ARG_LOW = 0x108, |
37 | SOCK_MMCSD_ARG_HIGH = 0x10c, |
38 | SOCK_MMCSD_CONFIG = 0x110, |
39 | SOCK_MMCSD_STATUS = 0x114, |
40 | SOCK_MMCSD_INT_ENABLE = 0x118, |
41 | SOCK_MMCSD_COMMAND_TO = 0x11c, |
42 | SOCK_MMCSD_DATA_TO = 0x120, |
43 | SOCK_MMCSD_DATA = 0x124, |
44 | SOCK_MMCSD_BLOCK_LEN = 0x128, |
45 | SOCK_MMCSD_NUM_BLOCKS = 0x12c, |
46 | SOCK_MMCSD_BUFFER_CONFIG = 0x130, |
47 | SOCK_MMCSD_SPI_CONFIG = 0x134, |
48 | SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138, |
49 | SOCK_MMCSD_RESPONSE = 0x144, |
50 | SOCK_MMCSD_SDIO_SR = 0x164, |
51 | SOCK_MMCSD_SYSTEM_CONTROL = 0x168, |
52 | SOCK_MMCSD_SYSTEM_STATUS = 0x16c, |
53 | SOCK_MS_COMMAND = 0x184, |
54 | SOCK_MS_DATA = 0x188, |
55 | SOCK_MS_STATUS = 0x18c, |
56 | SOCK_MS_SYSTEM = 0x190, |
57 | SOCK_FIFO_ACCESS = 0x200 |
58 | }; |
59 | |
60 | #define TIFM_CTRL_LED 0x00000040 |
61 | #define TIFM_CTRL_FAST_CLK 0x00000100 |
62 | #define TIFM_CTRL_POWER_MASK 0x00000007 |
63 | |
64 | #define TIFM_SOCK_STATE_OCCUPIED 0x00000008 |
65 | #define TIFM_SOCK_STATE_POWERED 0x00000080 |
66 | |
67 | #define TIFM_FIFO_ENABLE 0x00000001 |
68 | #define TIFM_FIFO_READY 0x00000001 |
69 | #define TIFM_FIFO_MORE 0x00000008 |
70 | #define TIFM_FIFO_INT_SETALL 0x0000ffff |
71 | #define TIFM_FIFO_INTMASK 0x00000005 |
72 | |
73 | #define TIFM_DMA_RESET 0x00000002 |
74 | #define TIFM_DMA_TX 0x00008000 |
75 | #define TIFM_DMA_EN 0x00000001 |
76 | #define TIFM_DMA_TSIZE 0x0000007f |
77 | |
78 | #define TIFM_TYPE_XD 1 |
79 | #define TIFM_TYPE_MS 2 |
80 | #define TIFM_TYPE_SD 3 |
81 | |
82 | struct tifm_device_id { |
83 | unsigned char type; |
84 | }; |
85 | |
86 | struct tifm_driver; |
87 | struct tifm_dev { |
88 | char __iomem *addr; |
89 | spinlock_t lock; |
90 | unsigned char type; |
91 | unsigned int socket_id; |
92 | |
93 | void (*card_event)(struct tifm_dev *sock); |
94 | void (*data_event)(struct tifm_dev *sock); |
95 | |
96 | struct device dev; |
97 | }; |
98 | |
99 | struct tifm_driver { |
100 | struct tifm_device_id *id_table; |
101 | int (*probe)(struct tifm_dev *dev); |
102 | void (*remove)(struct tifm_dev *dev); |
103 | int (*suspend)(struct tifm_dev *dev, |
104 | pm_message_t state); |
105 | int (*resume)(struct tifm_dev *dev); |
106 | |
107 | struct device_driver driver; |
108 | }; |
109 | |
110 | struct tifm_adapter { |
111 | char __iomem *addr; |
112 | spinlock_t lock; |
113 | unsigned int irq_status; |
114 | unsigned int socket_change_set; |
115 | unsigned int id; |
116 | unsigned int num_sockets; |
117 | struct completion *finish_me; |
118 | |
119 | struct work_struct media_switcher; |
120 | struct device dev; |
121 | |
122 | void (*eject)(struct tifm_adapter *fm, |
123 | struct tifm_dev *sock); |
124 | int (*has_ms_pif)(struct tifm_adapter *fm, |
125 | struct tifm_dev *sock); |
126 | |
127 | struct tifm_dev *sockets[]; |
128 | }; |
129 | |
130 | struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets, |
131 | struct device *dev); |
132 | int tifm_add_adapter(struct tifm_adapter *fm); |
133 | void tifm_remove_adapter(struct tifm_adapter *fm); |
134 | void tifm_free_adapter(struct tifm_adapter *fm); |
135 | |
136 | void tifm_free_device(struct device *dev); |
137 | struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id, |
138 | unsigned char type); |
139 | |
140 | int tifm_register_driver(struct tifm_driver *drv); |
141 | void tifm_unregister_driver(struct tifm_driver *drv); |
142 | void tifm_eject(struct tifm_dev *sock); |
143 | int tifm_has_ms_pif(struct tifm_dev *sock); |
144 | int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, |
145 | int direction); |
146 | void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents, |
147 | int direction); |
148 | void tifm_queue_work(struct work_struct *work); |
149 | |
150 | static inline void *tifm_get_drvdata(struct tifm_dev *dev) |
151 | { |
152 | return dev_get_drvdata(dev: &dev->dev); |
153 | } |
154 | |
155 | static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data) |
156 | { |
157 | dev_set_drvdata(dev: &dev->dev, data); |
158 | } |
159 | |
160 | #endif |
161 | |