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sdhcvar.h revision 1.17 
      1 /*	$NetBSD: sdhcvar.h,v 1.17 2015/05/02 12:10:24 jmcneill 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 (at) 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 
     27 struct sdhc_host;
     28 struct sdmmc_command;
     29 
     30 struct 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 
     57 	uint32_t		sc_clkbase;
     58 	int			sc_clkmsk;	/* Mask for SDCLK */
     59 	uint32_t		sc_caps;/* attachment provided capabilities */
     60 
     61 	int (*sc_vendor_rod)(struct sdhc_softc *, int);
     62 	int (*sc_vendor_write_protect)(struct sdhc_softc *);
     63 	int (*sc_vendor_card_detect)(struct sdhc_softc *);
     64 	int (*sc_vendor_bus_clock)(struct sdhc_softc *, int);
     65 	int (*sc_vendor_transfer_data_dma)(struct sdhc_softc *, struct sdmmc_command *);
     66 };
     67 
     68 /* Host controller functions called by the attachment driver. */
     69 int	sdhc_host_found(struct sdhc_softc *, bus_space_tag_t,
     70 	    bus_space_handle_t, bus_size_t);
     71 int	sdhc_intr(void *);
     72 int	sdhc_detach(struct sdhc_softc *, int);
     73 bool	sdhc_suspend(device_t, const pmf_qual_t *);
     74 bool	sdhc_resume(device_t, const pmf_qual_t *);
     75 bool	sdhc_shutdown(device_t, int);
     76 
     77 #endif	/* _SDHCVAR_H_ */
     78