Module Name: src Committed By: jmcneill Date: Thu Jun 8 10:03:59 UTC 2017
Modified Files: src/sys/arch/arm/fdt: files.fdt Added Files: src/sys/arch/arm/fdt: aaci_fdt.c Log Message: Add fdt glue for ARM PrimeCell Advanced Audio CODEC interface (PL041). To generate a diff of this commit: cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/fdt/aaci_fdt.c cvs rdiff -u -r1.9 -r1.10 src/sys/arch/arm/fdt/files.fdt Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/arm/fdt/files.fdt diff -u src/sys/arch/arm/fdt/files.fdt:1.9 src/sys/arch/arm/fdt/files.fdt:1.10 --- src/sys/arch/arm/fdt/files.fdt:1.9 Sat Jun 3 17:05:23 2017 +++ src/sys/arch/arm/fdt/files.fdt Thu Jun 8 10:03:59 2017 @@ -1,4 +1,4 @@ -# $NetBSD: files.fdt,v 1.9 2017/06/03 17:05:23 jmcneill Exp $ +# $NetBSD: files.fdt,v 1.10 2017/06/08 10:03:59 jmcneill Exp $ include "dev/pckbport/files.pckbport" @@ -32,5 +32,8 @@ file arch/arm/fdt/plmmc_fdt.c plmmc_fdt attach smsh at fdt with smsh_fdt file arch/arm/fdt/smsh_fdt.c smsh_fdt +attach aaci at fdt with aaci_fdt +file arch/arm/fdt/aaci_fdt.c aaci_fdt + # Console parameters defparam opt_fdt_arm.h CONSADDR Added files: Index: src/sys/arch/arm/fdt/aaci_fdt.c diff -u /dev/null src/sys/arch/arm/fdt/aaci_fdt.c:1.1 --- /dev/null Thu Jun 8 10:03:59 2017 +++ src/sys/arch/arm/fdt/aaci_fdt.c Thu Jun 8 10:03:59 2017 @@ -0,0 +1,106 @@ +/* $NetBSD: aaci_fdt.c,v 1.1 2017/06/08 10:03:59 jmcneill Exp $ */ + +/*- + * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: aaci_fdt.c,v 1.1 2017/06/08 10:03:59 jmcneill Exp $"); + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/device.h> +#include <sys/systm.h> +#include <sys/kernel.h> + +#include <dev/fdt/fdtvar.h> + +#include <dev/ic/pl041var.h> + +static int aaci_fdt_match(device_t, cfdata_t, void *); +static void aaci_fdt_attach(device_t, device_t, void *); + +static const char * const compatible[] = { + "arm,pl041", + NULL +}; + +CFATTACH_DECL_NEW(aaci_fdt, sizeof(struct aaci_softc), + aaci_fdt_match, aaci_fdt_attach, NULL, NULL); + +static int +aaci_fdt_match(device_t parent, cfdata_t cf, void *aux) +{ + struct fdt_attach_args * const faa = aux; + + return of_compatible(faa->faa_phandle, compatible) >= 0; +} + +static void +aaci_fdt_attach(device_t parent, device_t self, void *aux) +{ + struct aaci_softc * const sc = device_private(self); + struct fdt_attach_args * const faa = aux; + const int phandle = faa->faa_phandle; + char intrstr[128]; + struct clk *clk; + bus_addr_t addr; + bus_size_t size; + void *ih; + + if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) { + aprint_error(": missing 'reg' property\n"); + return; + } + + if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) { + aprint_error_dev(self, "failed to decode interrupt\n"); + return; + } + + for (int i = 0; (clk = fdtbus_clock_get_index(phandle, i)); i++) + if (clk_enable(clk) != 0) { + aprint_error(": couldn't enable clock #%d\n", i); + return; + } + + sc->sc_dev = self; + sc->sc_bst = faa->faa_bst; + if (bus_space_map(faa->faa_bst, addr, size, 0, &sc->sc_bsh)) { + aprint_error(": couldn't map device\n"); + return; + } + + ih = fdtbus_intr_establish(phandle, 0, IPL_AUDIO, FDT_INTR_MPSAFE, + aaci_intr, sc); + if (ih == NULL) { + aprint_error_dev(self, "couldn't install interrupt handler\n"); + return; + } + + aaci_attach(sc); + + aprint_normal_dev(self, "interrupting on %s\n", intrstr); +}