From patchwork Tue Jan 26 21:32:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Herv=C3=A9_Poussineau?= X-Patchwork-Id: 8127811 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2536BBEEE5 for ; Tue, 26 Jan 2016 21:43:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7CCEA2024C for ; Tue, 26 Jan 2016 21:43:31 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B94F72022D for ; Tue, 26 Jan 2016 21:43:30 +0000 (UTC) Received: from localhost ([::1]:47024 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aOBOc-0002S2-6z for patchwork-qemu-devel@patchwork.kernel.org; Tue, 26 Jan 2016 16:43:30 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38544) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aOBEB-0003te-CH for qemu-devel@nongnu.org; Tue, 26 Jan 2016 16:32:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aOBE8-0006iC-UJ for qemu-devel@nongnu.org; Tue, 26 Jan 2016 16:32:43 -0500 Received: from smtp2-g21.free.fr ([2a01:e0c:1:1599::11]:8664) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aOBE8-0006hl-KE for qemu-devel@nongnu.org; Tue, 26 Jan 2016 16:32:40 -0500 Received: from localhost.localdomain (unknown [82.227.227.196]) by smtp2-g21.free.fr (Postfix) with ESMTP id 83BB64B01BE; Tue, 26 Jan 2016 22:30:45 +0100 (CET) From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= To: qemu-devel@nongnu.org Date: Tue, 26 Jan 2016 22:32:22 +0100 Message-Id: <1453843944-26833-18-git-send-email-hpoussin@reactos.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1453843944-26833-1-git-send-email-hpoussin@reactos.org> References: <1453843944-26833-1-git-send-email-hpoussin@reactos.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] [fuzzy] X-Received-From: 2a01:e0c:1:1599::11 Cc: =?UTF-8?q?Herv=C3=A9=20Poussineau?= , John Snow , Gerd Hoffmann Subject: [Qemu-devel] [PATCH v3 17/19] gus: use IsaDma interface instead of global DMA_* functions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Hervé Poussineau --- hw/audio/gus.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/hw/audio/gus.c b/hw/audio/gus.c index e0c8a4e..b027eb5 100644 --- a/hw/audio/gus.c +++ b/hw/audio/gus.c @@ -57,6 +57,7 @@ typedef struct GUSState { SWVoiceOut *voice; int64_t last_ticks; qemu_irq pic; + IsaDma *isa_dma; } GUSState; static uint32_t gus_readb(void *opaque, uint32_t nport) @@ -167,34 +168,36 @@ void GUS_irqclear (GUSEmuState *emu, int hwirq) #endif } -void GUS_dmarequest (GUSEmuState *der) +void GUS_dmarequest (GUSEmuState *emu) { - /* GUSState *s = (GUSState *) der; */ + GUSState *s = emu->opaque; + IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma); ldebug ("dma request %d\n", der->gusdma); - DMA_hold_DREQ (der->gusdma); + k->hold_DREQ(s->isa_dma, s->emu.gusdma); } static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) { GUSState *s = opaque; + IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma); char tmpbuf[4096]; int pos = dma_pos, mode, left = dma_len - dma_pos; ldebug ("read DMA %#x %d\n", dma_pos, dma_len); - mode = DMA_get_channel_mode (s->emu.gusdma); + mode = k->has_autoinitialization(s->isa_dma, s->emu.gusdma); while (left) { int to_copy = audio_MIN ((size_t) left, sizeof (tmpbuf)); int copied; ldebug ("left=%d to_copy=%d pos=%d\n", left, to_copy, pos); - copied = DMA_read_memory (nchan, tmpbuf, pos, to_copy); + copied = k->read_memory(s->isa_dma, nchan, tmpbuf, pos, to_copy); gus_dma_transferdata (&s->emu, tmpbuf, copied, left == copied); left -= copied; pos += copied; } if (((mode >> 4) & 1) == 0) { - DMA_release_DREQ (s->emu.gusdma); + k->release_DREQ(s->isa_dma, s->emu.gusdma); } return dma_len; } @@ -231,6 +234,7 @@ static void gus_realizefn (DeviceState *dev, Error **errp) { ISADevice *d = ISA_DEVICE(dev); GUSState *s = GUS (dev); + IsaDmaClass *k; struct audsettings as; AUD_register_card ("gus", &s->card); @@ -263,7 +267,9 @@ static void gus_realizefn (DeviceState *dev, Error **errp) isa_register_portio_list (d, (s->port + 0x100) & 0xf00, gus_portio_list2, s, "gus"); - DMA_register_channel (s->emu.gusdma, GUS_read_DMA, s); + s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma); + k = ISADMA_GET_CLASS(s->isa_dma); + k->register_channel(s->isa_dma, s->emu.gusdma, GUS_read_DMA, s); s->emu.himemaddr = s->himem; s->emu.gusdatapos = s->emu.himemaddr + 1024 * 1024 + 32; s->emu.opaque = s;