140 lines
4.2 KiB
C
140 lines
4.2 KiB
C
/* $OpenBSD: rtsx_pci.c,v 1.16 2023/04/13 15:07:43 miod Exp $ */
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/*
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* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
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* Copyright (c) 2012 Stefan Sperling <stsp@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/ic/rtsxreg.h>
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#include <dev/ic/rtsxvar.h>
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#include <dev/sdmmc/sdmmcvar.h>
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#define RTSX_PCI_BAR 0x10
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#define RTSX_PCI_BAR_525A 0x14
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struct rtsx_pci_softc {
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struct rtsx_softc sc;
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void *sc_ih;
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};
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int rtsx_pci_match(struct device *, void *, void *);
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void rtsx_pci_attach(struct device *, struct device *, void *);
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const struct cfattach rtsx_pci_ca = {
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sizeof(struct rtsx_pci_softc), rtsx_pci_match, rtsx_pci_attach,
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NULL, rtsx_activate
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};
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int
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rtsx_pci_match(struct device *parent, void *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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/*
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* Explicitly match the UNDEFINED device class only. Some RTS5209
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* devices advertise a SYSTEM/SDHC class in addition to the UNDEFINED
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* device class. Let sdhc(4) handle the SYSTEM/SDHC ones.
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*/
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if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_REALTEK ||
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PCI_CLASS(pa->pa_class) != PCI_CLASS_UNDEFINED)
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return 0;
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if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5209 ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5227 ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5229 ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS522A ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5249 ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS525A ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8402 ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8411 ||
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8411B)
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return 1;
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return 0;
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}
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void
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rtsx_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct rtsx_pci_softc *sc = (struct rtsx_pci_softc *)self;
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struct pci_attach_args *pa = aux;
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pci_intr_handle_t ih;
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char const *intrstr;
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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bus_size_t size;
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int flags;
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int bar = RTSX_PCI_BAR;
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pcireg_t type;
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if ((pci_conf_read(pa->pa_pc, pa->pa_tag, RTSX_CFG_PCI)
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& RTSX_CFG_ASIC) != 0) {
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printf("%s: no asic\n", sc->sc.sc_dev.dv_xname);
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return;
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}
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if (pci_intr_map_msi(pa, &ih) && pci_intr_map(pa, &ih)) {
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printf(": can't map interrupt\n");
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return;
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}
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intrstr = pci_intr_string(pa->pa_pc, ih);
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sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_SDMMC,
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rtsx_intr, sc, sc->sc.sc_dev.dv_xname);
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if (sc->sc_ih == NULL) {
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printf(": can't establish interrupt\n");
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return;
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}
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printf(": %s\n", intrstr);
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switch (PCI_PRODUCT(pa->pa_id)) {
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case PCI_PRODUCT_REALTEK_RTS5209:
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flags = RTSX_F_5209;
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break;
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case PCI_PRODUCT_REALTEK_RTS5229:
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case PCI_PRODUCT_REALTEK_RTS5249:
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flags = RTSX_F_5229;
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break;
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case PCI_PRODUCT_REALTEK_RTS525A:
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flags = RTSX_F_525A;
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bar = RTSX_PCI_BAR_525A;
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break;
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default:
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flags = 0;
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break;
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}
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type = pci_mapreg_type(pa->pa_pc, pa->pa_tag, bar);
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if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, bar, type, NULL, NULL,
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NULL) != 0) {
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printf("%s: can't find registers\n", sc->sc.sc_dev.dv_xname);
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return;
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}
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if (pci_mapreg_map(pa, bar, type, 0, &iot, &ioh, NULL, &size, 0)) {
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printf("%s: can't map registers\n", sc->sc.sc_dev.dv_xname);
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return;
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}
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pci_set_powerstate(pa->pa_pc, pa->pa_tag, PCI_PMCSR_STATE_D0);
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if (rtsx_attach(&sc->sc, iot, ioh, size, pa->pa_dmat, flags) != 0)
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printf("%s: can't initialize chip\n", sc->sc.sc_dev.dv_xname);
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}
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