sdmmcchip.h revision 1.2.2.2 1 1.2.2.2 matt /* $NetBSD: sdmmcchip.h,v 1.2.2.2 2010/04/21 00:27:52 matt Exp $ */
2 1.2.2.2 matt /* $OpenBSD: sdmmcchip.h,v 1.3 2007/05/31 10:09:01 uwe Exp $ */
3 1.2.2.2 matt
4 1.2.2.2 matt /*
5 1.2.2.2 matt * Copyright (c) 2006 Uwe Stuehler <uwe (at) openbsd.org>
6 1.2.2.2 matt *
7 1.2.2.2 matt * Permission to use, copy, modify, and distribute this software for any
8 1.2.2.2 matt * purpose with or without fee is hereby granted, provided that the above
9 1.2.2.2 matt * copyright notice and this permission notice appear in all copies.
10 1.2.2.2 matt *
11 1.2.2.2 matt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 1.2.2.2 matt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 1.2.2.2 matt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 1.2.2.2 matt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 1.2.2.2 matt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 1.2.2.2 matt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 1.2.2.2 matt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 1.2.2.2 matt */
19 1.2.2.2 matt
20 1.2.2.2 matt #ifndef _SDMMC_CHIP_H_
21 1.2.2.2 matt #define _SDMMC_CHIP_H_
22 1.2.2.2 matt
23 1.2.2.2 matt #include <sys/device.h>
24 1.2.2.2 matt
25 1.2.2.2 matt #include <machine/bus.h>
26 1.2.2.2 matt
27 1.2.2.2 matt struct sdmmc_command;
28 1.2.2.2 matt
29 1.2.2.2 matt typedef struct sdmmc_chip_functions *sdmmc_chipset_tag_t;
30 1.2.2.2 matt typedef void *sdmmc_chipset_handle_t;
31 1.2.2.2 matt
32 1.2.2.2 matt struct sdmmc_chip_functions {
33 1.2.2.2 matt /* host controller reset */
34 1.2.2.2 matt int (*host_reset)(sdmmc_chipset_handle_t);
35 1.2.2.2 matt
36 1.2.2.2 matt /* host capabilities */
37 1.2.2.2 matt uint32_t (*host_ocr)(sdmmc_chipset_handle_t);
38 1.2.2.2 matt int (*host_maxblklen)(sdmmc_chipset_handle_t);
39 1.2.2.2 matt
40 1.2.2.2 matt /* card detection */
41 1.2.2.2 matt int (*card_detect)(sdmmc_chipset_handle_t);
42 1.2.2.2 matt
43 1.2.2.2 matt /* write protect */
44 1.2.2.2 matt int (*write_protect)(sdmmc_chipset_handle_t);
45 1.2.2.2 matt
46 1.2.2.2 matt /* bus power, clock frequency and width */
47 1.2.2.2 matt int (*bus_power)(sdmmc_chipset_handle_t, uint32_t);
48 1.2.2.2 matt int (*bus_clock)(sdmmc_chipset_handle_t, int);
49 1.2.2.2 matt int (*bus_width)(sdmmc_chipset_handle_t, int);
50 1.2.2.2 matt
51 1.2.2.2 matt /* command execution */
52 1.2.2.2 matt void (*exec_command)(sdmmc_chipset_handle_t,
53 1.2.2.2 matt struct sdmmc_command *);
54 1.2.2.2 matt
55 1.2.2.2 matt /* card interrupt */
56 1.2.2.2 matt void (*card_enable_intr)(sdmmc_chipset_handle_t, int);
57 1.2.2.2 matt void (*card_intr_ack)(sdmmc_chipset_handle_t);
58 1.2.2.2 matt };
59 1.2.2.2 matt
60 1.2.2.2 matt /* host controller reset */
61 1.2.2.2 matt #define sdmmc_chip_host_reset(tag, handle) \
62 1.2.2.2 matt ((tag)->host_reset((handle)))
63 1.2.2.2 matt /* host capabilities */
64 1.2.2.2 matt #define sdmmc_chip_host_ocr(tag, handle) \
65 1.2.2.2 matt ((tag)->host_ocr((handle)))
66 1.2.2.2 matt #define sdmmc_chip_host_maxblklen(tag, handle) \
67 1.2.2.2 matt ((tag)->host_maxblklen((handle)))
68 1.2.2.2 matt /* card detection */
69 1.2.2.2 matt #define sdmmc_chip_card_detect(tag, handle) \
70 1.2.2.2 matt ((tag)->card_detect((handle)))
71 1.2.2.2 matt /* write protect */
72 1.2.2.2 matt #define sdmmc_chip_write_protect(tag, handle) \
73 1.2.2.2 matt ((tag)->write_protect((handle)))
74 1.2.2.2 matt /* bus power, clock frequency and width */
75 1.2.2.2 matt #define sdmmc_chip_bus_power(tag, handle, ocr) \
76 1.2.2.2 matt ((tag)->bus_power((handle), (ocr)))
77 1.2.2.2 matt #define sdmmc_chip_bus_clock(tag, handle, freq) \
78 1.2.2.2 matt ((tag)->bus_clock((handle), (freq)))
79 1.2.2.2 matt #define sdmmc_chip_bus_width(tag, handle, width) \
80 1.2.2.2 matt ((tag)->bus_width((handle), (width)))
81 1.2.2.2 matt /* command execution */
82 1.2.2.2 matt #define sdmmc_chip_exec_command(tag, handle, cmdp) \
83 1.2.2.2 matt ((tag)->exec_command((handle), (cmdp)))
84 1.2.2.2 matt /* card interrupt */
85 1.2.2.2 matt #define sdmmc_chip_card_enable_intr(tag, handle, enable) \
86 1.2.2.2 matt ((tag)->card_enable_intr((handle), (enable)))
87 1.2.2.2 matt #define sdmmc_chip_card_intr_ack(tag, handle) \
88 1.2.2.2 matt ((tag)->card_intr_ack((handle)))
89 1.2.2.2 matt
90 1.2.2.2 matt /* clock frequencies for sdmmc_chip_bus_clock() */
91 1.2.2.2 matt #define SDMMC_SDCLK_OFF 0
92 1.2.2.2 matt #define SDMMC_SDCLK_400K 400
93 1.2.2.2 matt
94 1.2.2.2 matt struct sdmmcbus_attach_args {
95 1.2.2.2 matt const char *saa_busname;
96 1.2.2.2 matt sdmmc_chipset_tag_t saa_sct;
97 1.2.2.2 matt sdmmc_chipset_handle_t saa_sch;
98 1.2.2.2 matt bus_dma_tag_t saa_dmat;
99 1.2.2.2 matt u_int saa_clkmin;
100 1.2.2.2 matt u_int saa_clkmax;
101 1.2.2.2 matt uint32_t saa_caps; /* see sdmmc_softc.sc_caps */
102 1.2.2.2 matt };
103 1.2.2.2 matt
104 1.2.2.2 matt void sdmmc_needs_discover(device_t);
105 1.2.2.2 matt void sdmmc_card_intr(device_t);
106 1.2.2.2 matt void sdmmc_delay(u_int);
107 1.2.2.2 matt
108 1.2.2.2 matt #endif /* _SDMMC_CHIP_H_ */
109