From patchwork Thu Jun 1 20:58:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 9761185 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0D93760375 for ; Thu, 1 Jun 2017 21:00:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F18D22846C for ; Thu, 1 Jun 2017 21:00:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E63B128539; Thu, 1 Jun 2017 21:00:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 82A0C28546 for ; Thu, 1 Jun 2017 21:00:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751351AbdFAVAT (ORCPT ); Thu, 1 Jun 2017 17:00:19 -0400 Received: from mx2.suse.de ([195.135.220.15]:42526 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751186AbdFAU7I (ORCPT ); Thu, 1 Jun 2017 16:59:08 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C196EACF7; Thu, 1 Jun 2017 20:59:04 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: Takashi Sakamoto , Mark Brown , Hans Verkuil , linux-media@vger.kernel.org, Felipe Balbi , Greg Kroah-Hartman , linux-usb@vger.kernel.org Subject: [PATCH v2 10/27] ALSA: hdsp: Convert to the new PCM ops Date: Thu, 1 Jun 2017 22:58:33 +0200 Message-Id: <20170601205850.24993-11-tiwai@suse.de> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170601205850.24993-1-tiwai@suse.de> References: <20170601205850.24993-1-tiwai@suse.de> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace the copy and the silence ops with the new PCM ops. The conversion is straightforward with standard helper functions. Signed-off-by: Takashi Iwai --- sound/pci/rme9652/hdsp.c | 67 ++++++++++++++++++++++++++++++++++++------------ 1 file changed, 50 insertions(+), 17 deletions(-) diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index fc0face6cdc6..b00009644e0e 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3913,42 +3913,73 @@ static char *hdsp_channel_buffer_location(struct hdsp *hdsp, return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES); } -static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count) +static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_from_user(channel_buf + pos * 4, src, count * 4)) + if (copy_from_user(channel_buf + pos, src, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count) +static int snd_hdsp_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(channel_buf + pos, src, count); + return 0; +} + +static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) + if (copy_to_user(dst, channel_buf + pos, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, snd_pcm_uframes_t count) +static int snd_hdsp_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(dst, channel_buf + pos, count); + return 0; +} + +static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; @@ -3956,8 +3987,8 @@ static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - memset(channel_buf + pos * 4, 0, count * 4); - return count; + memset(channel_buf + pos, 0, count); + return 0; } static int snd_hdsp_reset(struct snd_pcm_substream *substream) @@ -4869,8 +4900,9 @@ static const struct snd_pcm_ops snd_hdsp_playback_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_playback_copy, - .silence = snd_hdsp_hw_silence, + .copy_user = snd_hdsp_playback_copy, + .copy_kernel = snd_hdsp_playback_copy_kernel, + .fill_silence = snd_hdsp_hw_silence, }; static const struct snd_pcm_ops snd_hdsp_capture_ops = { @@ -4881,7 +4913,8 @@ static const struct snd_pcm_ops snd_hdsp_capture_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_capture_copy, + .copy_user = snd_hdsp_capture_copy, + .copy_kernel = snd_hdsp_capture_copy_kernel, }; static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)