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dwc_mmc_var.h revision 1.13 
      1 /* $NetBSD: dwc_mmc_var.h,v 1.13 2020/01/23 23:53:55 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2014-2017 Jared McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DWC_MMC_VAR_H
     30 #define _DWC_MMC_VAR_H
     31 
     32 struct dwc_mmc_softc {
     33 	device_t sc_dev;
     34 	bus_space_tag_t sc_bst;
     35 	bus_space_handle_t sc_bsh;
     36 	bus_space_handle_t sc_clk_bsh;
     37 	bus_dma_tag_t sc_dmat;
     38 
     39 	u_int sc_flags;
     40 #define	DWC_MMC_F_DMA		__BIT(0)
     41 #define	DWC_MMC_F_USE_HOLD_REG	__BIT(1)
     42 #define	DWC_MMC_F_PWREN_INV	__BIT(2)
     43 	uint32_t sc_fifo_reg;
     44 	uint32_t sc_fifo_depth;
     45 	u_int sc_clock_freq;
     46 	u_int sc_bus_width;
     47 	bool sc_card_inited;
     48 
     49 	void *sc_ih;
     50 	kmutex_t sc_lock;
     51 	kmutex_t sc_intr_lock;
     52 	kcondvar_t sc_intr_cv;
     53 
     54 	int sc_mmc_width;
     55 	int sc_mmc_port;
     56 
     57 	u_int sc_ciu_div;
     58 
     59 	device_t sc_sdmmc_dev;
     60 
     61 	uint32_t sc_idma_xferlen;
     62 	bus_dma_segment_t sc_idma_segs[1];
     63 	int sc_idma_nsegs;
     64 	bus_size_t sc_idma_size;
     65 	bus_dmamap_t sc_idma_map;
     66 	int sc_idma_ndesc;
     67 	void *sc_idma_desc;
     68 
     69 	bus_dmamap_t sc_dmabounce_map;
     70 	void *sc_dmabounce_buf;
     71 	size_t sc_dmabounce_buflen;
     72 
     73 	uint32_t sc_intr_card;
     74 	uint32_t sc_intr_cardmask;
     75 	struct sdmmc_command *sc_curcmd;
     76 	bool sc_wait_dma;
     77 	bool sc_wait_cmd;
     78 	bool sc_wait_data;
     79 
     80 	void (*sc_pre_power_on)(struct dwc_mmc_softc *);
     81 	void (*sc_post_power_on)(struct dwc_mmc_softc *);
     82 
     83 	int (*sc_card_detect)(struct dwc_mmc_softc *);
     84 	int (*sc_write_protect)(struct dwc_mmc_softc *);
     85 	void (*sc_set_led)(struct dwc_mmc_softc *, int);
     86 	int (*sc_bus_clock)(struct dwc_mmc_softc *, int);
     87 	int (*sc_signal_voltage)(struct dwc_mmc_softc *, int);
     88 };
     89 
     90 int	dwc_mmc_init(struct dwc_mmc_softc *);
     91 int	dwc_mmc_intr(void *);
     92 
     93 #endif /* !_DWC_MMC_VAR_H */
     94