1/* $NetBSD: sdhcvar.h,v 1.26 2015/12/31 11:53:19 ryo Exp $ */
2/* $OpenBSD: sdhcvar.h,v 1.3 2007/09/06 08:01:01 jsg Exp $ */
3
4/*
5 * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#ifndef _SDHCVAR_H_
21#define _SDHCVAR_H_
22
23#include <sys/bus.h>
24#include <sys/device.h>
25#include <sys/pmf.h>
26
27struct sdhc_host;
28struct sdmmc_command;
29
30struct sdhc_softc {
31 device_t sc_dev;
32
33 struct sdhc_host **sc_host;
34 int sc_nhosts;
35
36 bus_dma_tag_t sc_dmat;
37
38 uint32_t sc_flags;
39#define SDHC_FLAG_USE_DMA 0x00000001
40#define SDHC_FLAG_FORCE_DMA 0x00000002
41#define SDHC_FLAG_NO_PWR0 0x00000004 /* Freescale ESDHC */
42#define SDHC_FLAG_HAVE_DVS 0x00000008 /* Freescale ESDHC */
43#define SDHC_FLAG_32BIT_ACCESS 0x00000010 /* Freescale ESDHC */
44#define SDHC_FLAG_ENHANCED 0x00000020 /* Freescale ESDHC */
45#define SDHC_FLAG_8BIT_MODE 0x00000040 /* MMC 8bit mode is supported */
46#define SDHC_FLAG_HAVE_CGM 0x00000080 /* Netlogic XLP */
47#define SDHC_FLAG_NO_LED_ON 0x00000100 /* LED_ON unsupported in HOST_CTL */
48#define SDHC_FLAG_HOSTCAPS 0x00000200 /* No device provided capabilities */
49#define SDHC_FLAG_RSP136_CRC 0x00000400 /* Resp 136 with CRC and end-bit */
50#define SDHC_FLAG_SINGLE_ONLY 0x00000800 /* Single transfer only */
51#define SDHC_FLAG_WAIT_RESET 0x00001000 /* Wait for soft resets to start */
52#define SDHC_FLAG_NO_HS_BIT 0x00002000 /* Don't set SDHC_HIGH_SPEED bit */
53#define SDHC_FLAG_EXTERNAL_DMA 0x00004000
54#define SDHC_FLAG_EXTDMA_DMAEN 0x00008000 /* ext. dma need SDHC_DMA_ENABLE */
55#define SDHC_FLAG_NO_CLKBASE 0x00020000 /* ignore clkbase register */
56#define SDHC_FLAG_SINGLE_POWER_WRITE 0x00040000
57#define SDHC_FLAG_NO_TIMEOUT 0x00080000 /* ignore timeout interrupts */
58#define SDHC_FLAG_USE_ADMA2 0x00100000
59#define SDHC_FLAG_POLL_CARD_DET 0x00200000 /* polling card detect */
60#define SDHC_FLAG_SLOW_SDR50 0x00400000 /* reduce SDR50 speed */
61#define SDHC_FLAG_USDHC 0x00800000 /* Freescale uSDHC */
62
63 uint32_t sc_clkbase;
64 int sc_clkmsk; /* Mask for SDCLK */
65 uint32_t sc_caps;/* attachment provided capabilities */
66 uint32_t sc_caps2;
67
68 int (*sc_vendor_rod)(struct sdhc_softc *, int);
69 int (*sc_vendor_write_protect)(struct sdhc_softc *);
70 int (*sc_vendor_card_detect)(struct sdhc_softc *);
71 int (*sc_vendor_bus_width)(struct sdhc_softc *, int);
72 int (*sc_vendor_bus_clock)(struct sdhc_softc *, int);
73 int (*sc_vendor_transfer_data_dma)(struct sdhc_softc *, struct sdmmc_command *);
74};
75
76/* Host controller functions called by the attachment driver. */
77int sdhc_host_found(struct sdhc_softc *, bus_space_tag_t,
78 bus_space_handle_t, bus_size_t);
79int sdhc_intr(void *);
80int sdhc_detach(struct sdhc_softc *, int);
81bool sdhc_suspend(device_t, const pmf_qual_t *);
82bool sdhc_resume(device_t, const pmf_qual_t *);
83bool sdhc_shutdown(device_t, int);
84kmutex_t *sdhc_host_lock(struct sdhc_host *);
85
86#endif /* _SDHCVAR_H_ */
87