Annotation of sys/dev/sdmmc/sdmmcchip.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: sdmmcchip.h,v 1.3 2007/05/31 10:09:01 uwe Exp $ */
2:
3: /*
4: * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #ifndef _SDMMC_CHIP_H_
20: #define _SDMMC_CHIP_H_
21:
22: struct sdmmc_command;
23:
24: typedef struct sdmmc_chip_functions *sdmmc_chipset_tag_t;
25: typedef void *sdmmc_chipset_handle_t;
26:
27: struct sdmmc_chip_functions {
28: /* host controller reset */
29: int (*host_reset)(sdmmc_chipset_handle_t);
30: /* host capabilities */
31: u_int32_t (*host_ocr)(sdmmc_chipset_handle_t);
32: int (*host_maxblklen)(sdmmc_chipset_handle_t);
33: /* card detection */
34: int (*card_detect)(sdmmc_chipset_handle_t);
35: /* bus power and clock frequency */
36: int (*bus_power)(sdmmc_chipset_handle_t, u_int32_t);
37: int (*bus_clock)(sdmmc_chipset_handle_t, int);
38: /* command execution */
39: void (*exec_command)(sdmmc_chipset_handle_t,
40: struct sdmmc_command *);
41: /* card interrupt */
42: void (*card_intr_mask)(sdmmc_chipset_handle_t, int);
43: void (*card_intr_ack)(sdmmc_chipset_handle_t);
44: };
45:
46: /* host controller reset */
47: #define sdmmc_chip_host_reset(tag, handle) \
48: ((tag)->host_reset((handle)))
49: /* host capabilities */
50: #define sdmmc_chip_host_ocr(tag, handle) \
51: ((tag)->host_ocr((handle)))
52: #define sdmmc_chip_host_maxblklen(tag, handle) \
53: ((tag)->host_maxblklen((handle)))
54: /* card detection */
55: #define sdmmc_chip_card_detect(tag, handle) \
56: ((tag)->card_detect((handle)))
57: /* bus power and clock frequency */
58: #define sdmmc_chip_bus_power(tag, handle, ocr) \
59: ((tag)->bus_power((handle), (ocr)))
60: #define sdmmc_chip_bus_clock(tag, handle, freq) \
61: ((tag)->bus_clock((handle), (freq)))
62: /* command execution */
63: #define sdmmc_chip_exec_command(tag, handle, cmdp) \
64: ((tag)->exec_command((handle), (cmdp)))
65: /* card interrupt */
66: #define sdmmc_chip_card_intr_mask(tag, handle, enable) \
67: ((tag)->card_intr_mask((handle), (enable)))
68: #define sdmmc_chip_card_intr_ack(tag, handle) \
69: ((tag)->card_intr_ack((handle)))
70:
71: /* clock frequencies for sdmmc_chip_bus_clock() */
72: #define SDMMC_SDCLK_OFF 0
73: #define SDMMC_SDCLK_400KHZ 400
74: #define SDMMC_SDCLK_25MHZ 25000
75:
76: struct sdmmcbus_attach_args {
77: const char *saa_busname;
78: sdmmc_chipset_tag_t sct;
79: sdmmc_chipset_handle_t sch;
80: };
81:
82: void sdmmc_needs_discover(struct device *);
83: void sdmmc_card_intr(struct device *);
84: void sdmmc_delay(u_int);
85:
86: #endif
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