Date: Sat, 1 Sep 2018 15:07:38 +0000 (UTC) From: Glen Barber <gjb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r338424 - in head/sys: dev/sound/midi dev/sound/pci modules/sound/driver/csa Message-ID: <201809011507.w81F7cgS099908@repo.freebsd.org>
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Author: gjb Date: Sat Sep 1 15:07:38 2018 New Revision: 338424 URL: https://svnweb.freebsd.org/changeset/base/338424 Log: Revert r338423, reapplying r338422, which did get approval but communication lines got crossed. Apologies to avatar@ for the confusion. Approved by: re (implicit) Sponsored by: The FreeBSD Foundation Added: head/sys/dev/sound/pci/csamidi.c - copied unchanged from r338422, head/sys/dev/sound/pci/csamidi.c Modified: head/sys/dev/sound/midi/midi.c head/sys/modules/sound/driver/csa/Makefile Modified: head/sys/dev/sound/midi/midi.c ============================================================================== --- head/sys/dev/sound/midi/midi.c Sat Sep 1 13:43:14 2018 (r338423) +++ head/sys/dev/sound/midi/midi.c Sat Sep 1 15:07:38 2018 (r338424) @@ -1467,18 +1467,14 @@ midi_modevent(module_t mod, int type, void *data) switch (type) { case MOD_LOAD: retval = midi_load(); -#if 0 if (retval == 0) retval = seq_modevent(mod, type, data); -#endif break; case MOD_UNLOAD: retval = midi_unload(); -#if 0 if (retval == 0) retval = seq_modevent(mod, type, data); -#endif break; default: Copied: head/sys/dev/sound/pci/csamidi.c (from r338422, head/sys/dev/sound/pci/csamidi.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/sound/pci/csamidi.c Sat Sep 1 15:07:38 2018 (r338424, copy of r338422, head/sys/dev/sound/pci/csamidi.c) @@ -0,0 +1,290 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + + * Copyright (c) 2015-2018 Tai-hwa Liang <avatar@FreeBSD.org> + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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/param.h> +#include <sys/types.h> +#include <sys/bus.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <sys/systm.h> +#include <sys/kobj.h> +#include <sys/lock.h> +#include <sys/mutex.h> + +#ifdef HAVE_KERNEL_OPTION_HEADERS +#include "opt_snd.h" +#endif + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> + +#include <dev/sound/chip.h> +#include <dev/sound/pcm/sound.h> + +#include <dev/sound/midi/midi.h> +#include <dev/sound/midi/mpu401.h> + +#include <dev/sound/pci/csareg.h> +#include <dev/sound/pci/csavar.h> + +#include "mpufoi_if.h" + +SND_DECLARE_FILE("$FreeBSD$"); + +/* pulled from mpu401.c */ +#define MPU_DATAPORT 0 +#define MPU_CMDPORT 1 +#define MPU_STATPORT 1 +#define MPU_RESET 0xff +#define MPU_UART 0x3f +#define MPU_ACK 0xfe +#define MPU_STATMASK 0xc0 +#define MPU_OUTPUTBUSY 0x40 +#define MPU_INPUTBUSY 0x80 + +/* device private data */ +struct csa_midi_softc { + /* hardware resources */ + int io_rid; /* io rid */ + struct resource *io; /* io */ + + struct mtx mtx; + device_t dev; + struct mpu401 *mpu; + mpu401_intr_t *mpu_intr; + int mflags; /* MIDI flags */ +}; + +static struct kobj_class csamidi_mpu_class; +static devclass_t midicsa_devclass; + +static u_int32_t +csamidi_readio(struct csa_midi_softc *scp, u_long offset) +{ + if (offset < BA0_AC97_RESET) + return bus_space_read_4(rman_get_bustag(scp->io), rman_get_bushandle(scp->io), offset) & 0xffffffff; + else + return (0); +} + +static void +csamidi_writeio(struct csa_midi_softc *scp, u_long offset, u_int32_t data) +{ + if (offset < BA0_AC97_RESET) + bus_space_write_4(rman_get_bustag(scp->io), rman_get_bushandle(scp->io), offset, data); +} + +static void +csamidi_midi_intr(void *arg) +{ + struct csa_midi_softc *scp = (struct csa_midi_softc *)arg; + + if (scp->mpu_intr) + (scp->mpu_intr)(scp->mpu); +} + +static unsigned char +csamidi_mread(struct mpu401 *arg __unused, void *cookie, int reg) +{ + struct csa_midi_softc *scp = cookie; + unsigned int rc; + unsigned int uart_stat; + + rc = 0; + /* hacks to convert hardware status to MPU compatible ones */ + switch (reg) { + case MPU_STATPORT: + uart_stat = csamidi_readio(scp, BA0_MIDSR); + if (uart_stat & MIDSR_TBF) + rc |= MPU_OUTPUTBUSY; /* Tx buffer full */ + if (uart_stat & MIDSR_RBE) + rc |= MPU_INPUTBUSY; + break; + case MPU_DATAPORT: + rc = csamidi_readio(scp, BA0_MIDRP); + break; + default: + printf("csamidi_mread: unknown register %d\n", reg); + break; + } + return (rc); +} + +static void +csamidi_mwrite(struct mpu401 *arg __unused, void *cookie, int reg, unsigned char b) +{ + struct csa_midi_softc *scp = cookie; + unsigned int val; + + switch (reg) { + case MPU_CMDPORT: + switch (b) + { + case MPU_RESET: + /* preserve current operation mode */ + val = csamidi_readio(scp, BA0_MIDCR); + /* reset the MIDI port */ + csamidi_writeio(scp, BA0_MIDCR, MIDCR_MRST); + csamidi_writeio(scp, BA0_MIDCR, MIDCR_MLB); + csamidi_writeio(scp, BA0_MIDCR, 0x00); + /* restore previous operation mode */ + csamidi_writeio(scp, BA0_MIDCR, val); + break; + case MPU_UART: + /* switch to UART mode, no-op */ + default: + break; + } + break; + case MPU_DATAPORT: + /* put the MIDI databyte in the write port */ + csamidi_writeio(scp, BA0_MIDWP, b); + break; + default: + printf("csamidi_mwrite: unknown register %d\n", reg); + break; + } +} + +static int +csamidi_muninit(struct mpu401 *arg __unused, void *cookie) +{ + struct csa_midi_softc *scp = cookie; + + mtx_lock(&scp->mtx); + scp->mpu_intr = NULL; + mtx_unlock(&scp->mtx); + + return (0); +} + +static int +midicsa_probe(device_t dev) +{ + struct sndcard_func *func; + + /* The parent device has already been probed. */ + + func = device_get_ivars(dev); + if (func == NULL || func->func != SCF_MIDI) + return (ENXIO); + + device_set_desc(dev, "CS461x MIDI"); + return (0); +} + +static int +midicsa_attach(device_t dev) +{ + struct csa_midi_softc *scp; + struct sndcard_func *func; + int rc = ENXIO; + + scp = device_get_softc(dev); + func = device_get_ivars(dev); + + bzero(scp, sizeof(struct csa_midi_softc)); + scp->dev = dev; + + /* allocate the required resources */ + scp->io_rid = PCIR_BAR(0); + scp->io = bus_alloc_resource_any(dev, SYS_RES_MEMORY, + &scp->io_rid, RF_ACTIVE); + if (scp->io == NULL) + goto err0; + + /* init the fake MPU401 interface. */ + scp->mpu = mpu401_init(&csamidi_mpu_class, scp, csamidi_midi_intr, + &scp->mpu_intr); + if (scp->mpu == NULL) { + rc = ENOMEM; + goto err1; + } + + mtx_init(&scp->mtx, device_get_nameunit(dev), "csamidi softc", + MTX_DEF); + + /* reset the MIDI port */ + csamidi_writeio(scp, BA0_MIDCR, MIDCR_MRST); + /* MIDI transmit enable, no interrupt */ + csamidi_writeio(scp, BA0_MIDCR, MIDCR_TXE | MIDCR_RXE); + csamidi_writeio(scp, BA0_HICR, HICR_IEV | HICR_CHGM); + + return (0); +err1: + bus_release_resource(dev, SYS_RES_MEMORY, scp->io_rid, scp->io); + scp->io = NULL; +err0: + return (rc); +} + +static int +midicsa_detach(device_t dev) +{ + struct csa_midi_softc *scp; + int rc = 0; + + scp = device_get_softc(dev); + rc = mpu401_uninit(scp->mpu); + if (rc) + return (rc); + if (scp->io != NULL) { + bus_release_resource(dev, SYS_RES_MEMORY, scp->io_rid, + scp->io); + scp->io = NULL; + } + mtx_destroy(&scp->mtx); + return (rc); +} + +static kobj_method_t csamidi_mpu_methods[] = { + KOBJMETHOD(mpufoi_read, csamidi_mread), + KOBJMETHOD(mpufoi_write, csamidi_mwrite), + KOBJMETHOD(mpufoi_uninit, csamidi_muninit), + KOBJMETHOD_END +}; + +static DEFINE_CLASS(csamidi_mpu, csamidi_mpu_methods, 0); + +static device_method_t midicsa_methods[] = { + DEVMETHOD(device_probe, midicsa_probe), + DEVMETHOD(device_attach, midicsa_attach), + DEVMETHOD(device_detach, midicsa_detach), + + DEVMETHOD_END +}; + +static driver_t midicsa_driver = { + "midi", + midicsa_methods, + sizeof(struct csa_midi_softc), +}; +DRIVER_MODULE(snd_csa_midi, csa, midicsa_driver, midicsa_devclass, 0, 0); +MODULE_DEPEND(snd_csa_midi, snd_csa, 1, 1, 1); +MODULE_DEPEND(snd_csa_midi, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); +MODULE_VERSION(snd_csa_midi, 1); Modified: head/sys/modules/sound/driver/csa/Makefile ============================================================================== --- head/sys/modules/sound/driver/csa/Makefile Sat Sep 1 13:43:14 2018 (r338423) +++ head/sys/modules/sound/driver/csa/Makefile Sat Sep 1 15:07:38 2018 (r338424) @@ -3,7 +3,7 @@ .PATH: ${SRCTOP}/sys/dev/sound/pci KMOD= snd_csa -SRCS= device_if.h bus_if.h pci_if.h -SRCS+= csa.c csapcm.c +SRCS= device_if.h bus_if.h mpufoi_if.h pci_if.h +SRCS+= csa.c csamidi.c csapcm.c .include <bsd.kmod.mk>
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