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pxa2x0_mci.h revision 1.1 
      1 /*	$NetBSD: pxa2x0_mci.h,v 1.1 2009/04/21 03:00:29 nonaka Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2006 NONAKA Kimihiro <nonaka (at) netbsd.org>
      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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, 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	_PXA2X0_MCI_H_
     30 #define	_PXA2X0_MCI_H_
     31 
     32 #include <sys/bus.h>
     33 #include <sys/device.h>
     34 #include <sys/mutex.h>
     35 #include <sys/condvar.h>
     36 
     37 #include <arm/xscale/pxa2x0_dmac.h>
     38 
     39 struct pxamci_tag {
     40 	void		*cookie;
     41 
     42 	uint32_t	(*get_ocr)(void *);
     43 	int		(*set_power)(void *, uint32_t);
     44 	int		(*card_detect)(void *);
     45 	int		(*write_protect)(void *);
     46 };
     47 
     48 struct pxamci_softc {
     49 	device_t		sc_dev;
     50 	bus_space_tag_t		sc_iot;
     51 	bus_space_handle_t	sc_ioh;
     52 	void			*sc_ih;
     53 	device_t		sc_sdmmc;
     54 
     55 	struct dmac_xfer	*sc_rxdx;
     56 	bus_dma_segment_t	sc_rxdr;	/* read descriptor */
     57 	struct dmac_xfer	*sc_txdx;
     58 	bus_dma_segment_t	sc_txdr;	/* write descriptor */
     59 
     60 	struct pxamci_tag	sc_tag;
     61 
     62 	u_int			sc_caps;
     63 #define	PMC_CAPS_4BIT	(1U << 0)
     64 #define	PMC_CAPS_NO_DMA	(1U << 1)
     65 
     66 	u_int			sc_flags;
     67 #define	PMF_CARDINITED	(1U << 0)
     68 
     69 	struct sdmmc_command * volatile sc_cmd;	/* command in progress */
     70 
     71 	uint32_t sc_imask;
     72 
     73 	uint32_t sc_ocr;			/* selected OCR */
     74 	int sc_maxblklen;			/* maximum block length */
     75 	int sc_buswidth;			/* current bus width */
     76 
     77 	u_int sc_clkmin;
     78 	u_int sc_clkmax;
     79 	u_int sc_clkbase;
     80 	uint32_t sc_clkrt;
     81 };
     82 
     83 int	pxamci_attach_sub(device_t, struct pxaip_attach_args *);
     84 void	pxamci_card_detect_event(struct pxamci_softc *);
     85 
     86 #endif	/* _PXA2X0_MCI_H_ */
     87