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@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