xref: /freebsd/sys/dev/mmc/host/dwmmc_var.h (revision b2f0caf160993c30a0d0e3d52e8a2d03616908cd)
1 /*-
2  * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
3  * All rights reserved.
4  *
5  * This software was developed by SRI International and the University of
6  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7  * ("CTSRD"), as part of the DARPA CRASH research programme.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #ifndef DEV_MMC_HOST_DWMMC_VAR_H
32 #define DEV_MMC_HOST_DWMMC_VAR_H
33 
34 #include <dev/clk/clk.h>
35 #include <dev/hwreset/hwreset.h>
36 #include <dev/regulator/regulator.h>
37 
38 #include "opt_mmccam.h"
39 
40 #include <cam/mmc/mmc_sim.h>
41 
42 enum {
43 	HWTYPE_NONE,
44 	HWTYPE_ALTERA,
45 	HWTYPE_EXYNOS,
46 	HWTYPE_HISILICON,
47 	HWTYPE_ROCKCHIP,
48 };
49 
50 struct dwmmc_softc {
51 	struct resource		*res[2];
52 	device_t		dev;
53 	void			*intr_cookie;
54 	struct mmc_host		host;
55 	struct mmc_helper	mmc_helper;
56 	struct mtx		sc_mtx;
57 #ifdef MMCCAM
58 	union ccb *		ccb;
59 	struct mmc_sim		mmc_sim;
60 #else
61 	struct mmc_request	*req;
62 #endif
63 	struct mmc_command	*curcmd;
64 	uint32_t		flags;
65 	uint32_t		hwtype;
66 	uint32_t		use_auto_stop;
67 	uint32_t		use_pio;
68 	device_t		child;
69 	struct task		card_task;	/* Card presence check task */
70 	struct timeout_task	card_delayed_task;/* Card insert delayed task */
71 
72 	int			(*update_ios)(struct dwmmc_softc *sc, struct mmc_ios *ios);
73 
74 	bus_dma_tag_t		desc_tag;
75 	bus_dmamap_t		desc_map;
76 	struct idmac_desc	*desc_ring;
77 	bus_addr_t		desc_ring_paddr;
78 	bus_dma_tag_t		buf_tag;
79 	bus_dmamap_t		buf_map;
80 
81 	uint32_t		bus_busy;
82 	uint32_t		dto_rcvd;
83 	uint32_t		acd_rcvd;
84 	uint32_t		cmd_done;
85 	uint64_t		bus_hz;
86 	uint32_t		fifo_depth;
87 	uint32_t		num_slots;
88 	uint32_t		sdr_timing;
89 	uint32_t		ddr_timing;
90 
91 	clk_t			biu;
92 	clk_t			ciu;
93 	hwreset_t		hwreset;
94 	regulator_t		vmmc;
95 	regulator_t		vqmmc;
96 };
97 
98 DECLARE_CLASS(dwmmc_driver);
99 
100 int dwmmc_attach(device_t);
101 int dwmmc_detach(device_t);
102 
103 #endif
104