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authorAlex Dubov <oakad@yahoo.com>2006-10-04 05:15:37 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 10:55:14 -0400
commit4020f2d7f0b0e68b92bec9a3e1f4a54a7a9dc672 (patch)
treeafbe35984c945c5f81b2f29f3c54a144abeca3f0 /include/linux/tifm.h
parent856fe98f168e5b80b053979769af2514aab96d6b (diff)
[PATCH] mmc: driver for TI FlashMedia card reader - source
Driver for TI Flash Media card reader. At present, only MMC/SD cards are supported. [akpm@osdl.org: cleanups, build fixes] Signed-off-by: Alex Dubov <oakad@yahoo.com> Cc: Daniel Qarras <dqarras@yahoo.com> Acked-by: Pierre Ossman <drzeus@drzeus.cx> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/tifm.h')
-rw-r--r--include/linux/tifm.h158
1 files changed, 158 insertions, 0 deletions
diff --git a/include/linux/tifm.h b/include/linux/tifm.h
new file mode 100644
index 000000000000..203dd5e11ecb
--- /dev/null
+++ b/include/linux/tifm.h
@@ -0,0 +1,158 @@
1/*
2 * tifm.h - TI FlashMedia driver
3 *
4 * Copyright (C) 2006 Alex Dubov <oakad@yahoo.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#ifndef _TIFM_H
13#define _TIFM_H
14
15#include <linux/spinlock.h>
16#include <linux/interrupt.h>
17#include <linux/wait.h>
18#include <linux/delay.h>
19#include <linux/pci.h>
20
21/* Host registers (relative to pci base address): */
22enum {
23 FM_SET_INTERRUPT_ENABLE = 0x008,
24 FM_CLEAR_INTERRUPT_ENABLE = 0x00c,
25 FM_INTERRUPT_STATUS = 0x014 };
26
27/* Socket registers (relative to socket base address): */
28enum {
29 SOCK_CONTROL = 0x004,
30 SOCK_PRESENT_STATE = 0x008,
31 SOCK_DMA_ADDRESS = 0x00c,
32 SOCK_DMA_CONTROL = 0x010,
33 SOCK_DMA_FIFO_INT_ENABLE_SET = 0x014,
34 SOCK_DMA_FIFO_INT_ENABLE_CLEAR = 0x018,
35 SOCK_DMA_FIFO_STATUS = 0x020,
36 SOCK_FIFO_CONTROL = 0x024,
37 SOCK_FIFO_PAGE_SIZE = 0x028,
38 SOCK_MMCSD_COMMAND = 0x104,
39 SOCK_MMCSD_ARG_LOW = 0x108,
40 SOCK_MMCSD_ARG_HIGH = 0x10c,
41 SOCK_MMCSD_CONFIG = 0x110,
42 SOCK_MMCSD_STATUS = 0x114,
43 SOCK_MMCSD_INT_ENABLE = 0x118,
44 SOCK_MMCSD_COMMAND_TO = 0x11c,
45 SOCK_MMCSD_DATA_TO = 0x120,
46 SOCK_MMCSD_DATA = 0x124,
47 SOCK_MMCSD_BLOCK_LEN = 0x128,
48 SOCK_MMCSD_NUM_BLOCKS = 0x12c,
49 SOCK_MMCSD_BUFFER_CONFIG = 0x130,
50 SOCK_MMCSD_SPI_CONFIG = 0x134,
51 SOCK_MMCSD_SDIO_MODE_CONFIG = 0x138,
52 SOCK_MMCSD_RESPONSE = 0x144,
53 SOCK_MMCSD_SDIO_SR = 0x164,
54 SOCK_MMCSD_SYSTEM_CONTROL = 0x168,
55 SOCK_MMCSD_SYSTEM_STATUS = 0x16c,
56 SOCK_MS_COMMAND = 0x184,
57 SOCK_MS_DATA = 0x188,
58 SOCK_MS_STATUS = 0x18c,
59 SOCK_MS_SYSTEM = 0x190,
60 SOCK_FIFO_ACCESS = 0x200 };
61
62
63#define TIFM_IRQ_ENABLE 0x80000000
64#define TIFM_IRQ_SOCKMASK 0x00000001
65#define TIFM_IRQ_CARDMASK 0x00000100
66#define TIFM_IRQ_FIFOMASK 0x00010000
67#define TIFM_IRQ_SETALL 0xffffffff
68#define TIFM_IRQ_SETALLSOCK 0x0000000f
69
70#define TIFM_CTRL_LED 0x00000040
71#define TIFM_CTRL_FAST_CLK 0x00000100
72
73#define TIFM_SOCK_STATE_OCCUPIED 0x00000008
74#define TIFM_SOCK_STATE_POWERED 0x00000080
75
76#define TIFM_FIFO_ENABLE 0x00000001 /* Meaning of this constant is unverified */
77#define TIFM_FIFO_INT_SETALL 0x0000ffff
78#define TIFM_FIFO_INTMASK 0x00000005 /* Meaning of this constant is unverified */
79
80#define TIFM_DMA_RESET 0x00000002 /* Meaning of this constant is unverified */
81#define TIFM_DMA_TX 0x00008000 /* Meaning of this constant is unverified */
82#define TIFM_DMA_EN 0x00000001 /* Meaning of this constant is unverified */
83
84typedef enum {FM_NULL = 0, FM_XD = 0x01, FM_MS = 0x02, FM_SD = 0x03} tifm_media_id;
85
86struct tifm_driver;
87struct tifm_dev {
88 char __iomem *addr;
89 spinlock_t lock;
90 tifm_media_id media_id;
91 char wq_name[KOBJ_NAME_LEN];
92 struct workqueue_struct *wq;
93
94 unsigned int (*signal_irq)(struct tifm_dev *sock,
95 unsigned int sock_irq_status);
96
97 struct tifm_driver *drv;
98 struct device dev;
99};
100
101struct tifm_driver {
102 tifm_media_id *id_table;
103 int (*probe)(struct tifm_dev *dev);
104 void (*remove)(struct tifm_dev *dev);
105
106 struct device_driver driver;
107};
108
109struct tifm_adapter {
110 char __iomem *addr;
111 unsigned int irq_status;
112 unsigned int insert_mask;
113 unsigned int remove_mask;
114 spinlock_t lock;
115 unsigned int id;
116 unsigned int max_sockets;
117 char wq_name[KOBJ_NAME_LEN];
118 unsigned int inhibit_new_cards;
119 struct workqueue_struct *wq;
120 struct work_struct media_inserter;
121 struct work_struct media_remover;
122 struct tifm_dev **sockets;
123 struct class_device cdev;
124 struct device *dev;
125
126 void (*eject)(struct tifm_adapter *fm, struct tifm_dev *sock);
127};
128
129struct tifm_adapter *tifm_alloc_adapter(void);
130void tifm_free_device(struct device *dev);
131void tifm_free_adapter(struct tifm_adapter *fm);
132int tifm_add_adapter(struct tifm_adapter *fm);
133void tifm_remove_adapter(struct tifm_adapter *fm);
134struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id);
135int tifm_register_driver(struct tifm_driver *drv);
136void tifm_unregister_driver(struct tifm_driver *drv);
137void tifm_eject(struct tifm_dev *sock);
138int tifm_map_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
139 int direction);
140void tifm_unmap_sg(struct tifm_dev *sock, struct scatterlist *sg, int nents,
141 int direction);
142
143
144static inline void *tifm_get_drvdata(struct tifm_dev *dev)
145{
146 return dev_get_drvdata(&dev->dev);
147}
148
149static inline void tifm_set_drvdata(struct tifm_dev *dev, void *data)
150{
151 dev_set_drvdata(&dev->dev, data);
152}
153
154struct tifm_device_id {
155 tifm_media_id media_id;
156};
157
158#endif
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