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sdhcvar.h revision 1.12 
      1 /*	$NetBSD: sdhcvar.h,v 1.12 2012/12/20 14:37:00 jakllsch 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 
     29 struct sdhc_softc {
     30 	device_t		sc_dev;
     31 
     32 	struct sdhc_host	**sc_host;
     33 	int			sc_nhosts;
     34 
     35 	bus_dma_tag_t		sc_dmat;
     36 
     37 	uint32_t		sc_flags;
     38 #define	SDHC_FLAG_USE_DMA	0x0001
     39 #define	SDHC_FLAG_FORCE_DMA	0x0002
     40 #define	SDHC_FLAG_NO_PWR0	0x0004	/* Freescale ESDHC */
     41 #define	SDHC_FLAG_HAVE_DVS	0x0008	/* Freescale ESDHC */
     42 #define	SDHC_FLAG_32BIT_ACCESS	0x0010	/* Freescale ESDHC */
     43 #define	SDHC_FLAG_ENHANCED	0x0020	/* Freescale ESDHC */
     44 #define	SDHC_FLAG_8BIT_MODE	0x0040	/* MMC 8bit mode is supported */
     45 #define	SDHC_FLAG_HAVE_CGM	0x0080	/* Netlogic XLP */
     46 #define	SDHC_FLAG_NO_LED_ON	0x0100	/* LED_ON unsupported in HOST_CTL */
     47 #define	SDHC_FLAG_HOSTCAPS	0x0200	/* No device provided capabilities */
     48 #define	SDHC_FLAG_RSP136_CRC	0x0400	/* Resp 136 with CRC and end-bit */
     49 #define	SDHC_FLAG_SINGLE_ONLY	0x0800	/* Single transfer only */
     50 #define	SDHC_FLAG_WAIT_RESET	0x1000	/* Wait for soft resets to start */
     51 
     52 	uint32_t		sc_clkbase;
     53 	int			sc_clkmsk;	/* Mask for SDCLK */
     54 	uint32_t		sc_caps;/* attachment provided capabilities */
     55 
     56 	int (*sc_vendor_rod)(struct sdhc_softc *, int);
     57 	int (*sc_vendor_write_protect)(struct sdhc_softc *);
     58 	int (*sc_vendor_card_detect)(struct sdhc_softc *);
     59 	int (*sc_vendor_bus_clock)(struct sdhc_softc *, int);
     60 };
     61 
     62 /* Host controller functions called by the attachment driver. */
     63 int	sdhc_host_found(struct sdhc_softc *, bus_space_tag_t,
     64 	    bus_space_handle_t, bus_size_t);
     65 int	sdhc_intr(void *);
     66 int	sdhc_detach(struct sdhc_softc *, int);
     67 bool	sdhc_suspend(device_t, const pmf_qual_t *);
     68 bool	sdhc_resume(device_t, const pmf_qual_t *);
     69 bool	sdhc_shutdown(device_t, int);
     70 
     71 #endif	/* _SDHCVAR_H_ */
     72