1153811Simp/*- 2185015Simp * Copyright (c) 2005-2008, M. Warner Losh 3153811Simp * All rights reserved. 4153811Simp * 5153811Simp * Redistribution and use in source and binary forms, with or without 6153811Simp * modification, are permitted provided that the following conditions 7153811Simp * are met: 8153811Simp * 1. Redistributions of source code must retain the above copyright 9153811Simp * notice unmodified, this list of conditions, and the following 10153811Simp * disclaimer. 11153811Simp * 2. Redistributions in binary form must reproduce the above copyright 12153811Simp * notice, this list of conditions and the following disclaimer in the 13153811Simp * documentation and/or other materials provided with the distribution. 14153811Simp * 15153811Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16153811Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17153811Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18153811Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19153811Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20153811Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21153811Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22153811Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23153811Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24153811Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25153811Simp * SUCH DAMAGE. 26153811Simp * 27153811Simp */ 28153811Simp#include <sys/cdefs.h> 29153811Simp__FBSDID("$FreeBSD$"); 30153811Simp 31153811Simp#include <sys/param.h> 32153811Simp#include <sys/conf.h> 33153811Simp#include <sys/malloc.h> 34153811Simp#include <sys/systm.h> 35153811Simp#include <sys/uio.h> 36153811Simp 37153811Simp#include <sys/bus.h> 38153811Simp#include <machine/bus.h> 39153811Simp#include <sys/rman.h> 40153811Simp#include <machine/resource.h> 41153811Simp 42153811Simp#include <sys/pciio.h> 43153811Simp#include <dev/pci/pcivar.h> 44153811Simp#include <dev/pci/pcireg.h> 45153811Simp#include <dev/pci/pci_private.h> 46153811Simp 47153811Simp#include <dev/cardbus/cardbusreg.h> 48153811Simp#include <dev/cardbus/cardbusvar.h> 49153811Simp#include <dev/cardbus/cardbus_cis.h> 50153811Simp#include <dev/pccard/pccard_cis.h> 51153811Simp 52153811Simpstatic d_open_t cardbus_open; 53153811Simpstatic d_close_t cardbus_close; 54153811Simpstatic d_read_t cardbus_read; 55153811Simpstatic d_ioctl_t cardbus_ioctl; 56153811Simp 57153811Simpstatic struct cdevsw cardbus_cdevsw = { 58153811Simp .d_version = D_VERSION, 59153811Simp .d_open = cardbus_open, 60153811Simp .d_close = cardbus_close, 61153811Simp .d_read = cardbus_read, 62153811Simp .d_ioctl = cardbus_ioctl, 63153811Simp .d_name = "cardbus" 64153811Simp}; 65153811Simp 66153811Simpstatic int 67153811Simpcardbus_build_cis(device_t cbdev, device_t child, int id, 68153811Simp int len, uint8_t *tupledata, uint32_t start, uint32_t *off, 69153811Simp struct tuple_callbacks *info, void *argp) 70153811Simp{ 71153811Simp struct cis_buffer *cis; 72153811Simp int i; 73153811Simp 74153811Simp cis = (struct cis_buffer *)argp; 75153811Simp /* 76153811Simp * CISTPL_END is a special case, it has no length field. 77153811Simp */ 78153811Simp if (id == CISTPL_END) { 79184981Simp if (cis->len + 1 > sizeof(cis->buffer)) { 80184981Simp cis->len = 0; 81153811Simp return (ENOSPC); 82184981Simp } 83153811Simp cis->buffer[cis->len++] = id; 84153811Simp return (0); 85153811Simp } 86184981Simp if (cis->len + 2 + len > sizeof(cis->buffer)) { 87184981Simp cis->len = 0; 88153811Simp return (ENOSPC); 89184981Simp } 90153811Simp cis->buffer[cis->len++] = id; 91153811Simp cis->buffer[cis->len++] = len; 92153811Simp for (i = 0; i < len; i++) 93153811Simp cis->buffer[cis->len++] = tupledata[i]; 94153811Simp return (0); 95153811Simp} 96153811Simp 97184981Simpstatic int 98185015Simpcardbus_device_buffer_cis(device_t parent, device_t child, 99185015Simp struct cis_buffer *cbp) 100184981Simp{ 101184981Simp struct tuple_callbacks cb[] = { 102184981Simp {CISTPL_GENERIC, "GENERIC", cardbus_build_cis} 103184981Simp }; 104184981Simp 105185015Simp return (cardbus_parse_cis(parent, child, cb, cbp)); 106184981Simp} 107184981Simp 108185015Simpint 109185015Simpcardbus_device_create(struct cardbus_softc *sc, struct cardbus_devinfo *devi, 110185015Simp device_t parent, device_t child) 111185015Simp{ 112185015Simp uint32_t minor; 113185545Simp int unit; 114185015Simp 115185015Simp cardbus_device_buffer_cis(parent, child, &devi->sc_cis); 116185015Simp minor = (device_get_unit(sc->sc_dev) << 8) + devi->pci.cfg.func; 117185545Simp unit = device_get_unit(sc->sc_dev); 118185015Simp devi->sc_cisdev = make_dev(&cardbus_cdevsw, minor, 0, 0, 0666, 119185545Simp "cardbus%d.%d.cis", unit, devi->pci.cfg.func); 120185140Simp if (devi->pci.cfg.func == 0) 121185545Simp make_dev_alias(devi->sc_cisdev, "cardbus%d.cis", unit); 122185015Simp devi->sc_cisdev->si_drv1 = devi; 123185015Simp return (0); 124185015Simp} 125185015Simp 126185015Simpint 127185015Simpcardbus_device_destroy(struct cardbus_devinfo *devi) 128185015Simp{ 129185015Simp if (devi->sc_cisdev) 130185015Simp destroy_dev(devi->sc_cisdev); 131185015Simp return (0); 132185015Simp} 133185015Simp 134153811Simpstatic int 135153811Simpcardbus_open(struct cdev *dev, int oflags, int devtype, struct thread *td) 136153811Simp{ 137153811Simp 138153811Simp return (0); 139153811Simp} 140153811Simp 141153811Simpstatic int 142153811Simpcardbus_close(struct cdev *dev, int fflags, int devtype, struct thread *td) 143153811Simp{ 144153811Simp 145153811Simp return (0); 146153811Simp} 147153811Simp 148153811Simpstatic int 149153811Simpcardbus_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 150153811Simp struct thread *td) 151153811Simp{ 152153811Simp return (ENOTTY); 153153811Simp} 154153811Simp 155153811Simpstatic int 156153811Simpcardbus_read(struct cdev *dev, struct uio *uio, int ioflag) 157153811Simp{ 158185015Simp struct cardbus_devinfo *devi; 159153811Simp 160185015Simp devi = dev->si_drv1; 161153811Simp /* EOF */ 162185015Simp if (uio->uio_offset >= devi->sc_cis.len) 163153811Simp return (0); 164185015Simp return (uiomove(devi->sc_cis.buffer + uio->uio_offset, 165185015Simp MIN(uio->uio_resid, devi->sc_cis.len - uio->uio_offset), uio)); 166153811Simp} 167