1 /* $NetBSD: pxa2x0_mci.h,v 1.2 2012/01/21 19:44:28 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 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, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _PXA2X0_MCI_H_ 29 #define _PXA2X0_MCI_H_ 30 31 #include <sys/bus.h> 32 #include <sys/device.h> 33 #include <sys/mutex.h> 34 #include <sys/condvar.h> 35 36 #include <arm/xscale/pxa2x0_dmac.h> 37 38 struct pxamci_tag { 39 void *cookie; 40 41 uint32_t (*get_ocr)(void *); 42 int (*set_power)(void *, uint32_t); 43 int (*card_detect)(void *); 44 int (*write_protect)(void *); 45 }; 46 47 struct pxamci_softc { 48 device_t sc_dev; 49 bus_space_tag_t sc_iot; 50 bus_space_handle_t sc_ioh; 51 void *sc_ih; 52 device_t sc_sdmmc; 53 54 struct dmac_xfer *sc_rxdx; 55 bus_dma_segment_t sc_rxdr; /* read descriptor */ 56 struct dmac_xfer *sc_txdx; 57 bus_dma_segment_t sc_txdr; /* write descriptor */ 58 59 struct pxamci_tag sc_tag; 60 61 u_int sc_caps; 62 #define PMC_CAPS_4BIT (1U << 0) 63 #define PMC_CAPS_NO_DMA (1U << 1) 64 65 u_int sc_flags; 66 #define PMF_CARDINITED (1U << 0) 67 68 struct sdmmc_command * volatile sc_cmd; /* command in progress */ 69 70 uint32_t sc_imask; 71 72 uint32_t sc_ocr; /* selected OCR */ 73 int sc_maxblklen; /* maximum block length */ 74 int sc_buswidth; /* current bus width */ 75 76 u_int sc_clkmin; 77 u_int sc_clkmax; 78 u_int sc_clkbase; 79 uint32_t sc_clkrt; 80 }; 81 82 int pxamci_attach_sub(device_t, struct pxaip_attach_args *); 83 void pxamci_card_detect_event(struct pxamci_softc *); 84 85 #endif /* _PXA2X0_MCI_H_ */ 86