From patchwork Tue May 13 14:27:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 4168071 X-Patchwork-Delegate: tiwai@suse.de Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id ABE969F1C0 for ; Tue, 13 May 2014 14:32:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 54BED20221 for ; Tue, 13 May 2014 14:32:14 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 85ED920154 for ; Tue, 13 May 2014 14:32:12 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 957C12655A6; Tue, 13 May 2014 16:32:11 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 93A592655A9; Tue, 13 May 2014 16:28:19 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id EDA5A2654E2; Tue, 13 May 2014 16:28:14 +0200 (CEST) Received: from smtp303.phy.lolipop.jp (smtp303.phy.lolipop.jp [210.157.22.87]) by alsa0.perex.cz (Postfix) with ESMTP id 62AC5265520 for ; Tue, 13 May 2014 16:28:09 +0200 (CEST) Received: from smtp303.phy.lolipop.lan (HELO smtp303.phy.lolipop.jp) (172.17.1.87) (smtp-auth username m12129643-o-takashi, mechanism plain) by smtp303.phy.lolipop.jp (qpsmtpd/0.82) with ESMTPA; Tue, 13 May 2014 23:28:08 +0900 Received: from 127.0.0.1 (127.0.0.1) by smtp303.phy.lolipop.jp (LOLIPOP-Fsecure); Tue, 13 May 2014 23:27:53 +0900 (JST) X-Virus-Status: clean(LOLIPOP-Fsecure) From: Takashi Sakamoto To: clemens@ladisch.de Date: Tue, 13 May 2014 23:27:42 +0900 Message-Id: <1399991272-5807-6-git-send-email-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1399991272-5807-1-git-send-email-o-takashi@sakamocchi.jp> References: <1399991272-5807-1-git-send-email-o-takashi@sakamocchi.jp> Cc: alsa-devel@alsa-project.org, stefanr@s5r6.in-berlin.de, fenlason@redhat.com, ffado-devel@lists.sf.net, linux1394-devel@lists.sourceforge.net Subject: [alsa-devel] [PATCH 05/15] oxfw: Split control functionality to a new file X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP This is a help for works in followed patches. Signed-off-by: Takashi Sakamoto --- sound/firewire/oxfw/Makefile | 2 +- sound/firewire/oxfw/oxfw.c | 275 ----------------------------------- sound/firewire/oxfw/oxfw.h | 2 + sound/firewire/oxfw/oxfw_control.c | 283 +++++++++++++++++++++++++++++++++++++ 4 files changed, 286 insertions(+), 276 deletions(-) create mode 100644 sound/firewire/oxfw/oxfw_control.c diff --git a/sound/firewire/oxfw/Makefile b/sound/firewire/oxfw/Makefile index 408b5e5..3eaec6d 100644 --- a/sound/firewire/oxfw/Makefile +++ b/sound/firewire/oxfw/Makefile @@ -1,2 +1,2 @@ -snd-oxfw-objs := oxfw_stream.o oxfw_pcm.o oxfw.o +snd-oxfw-objs := oxfw_stream.o oxfw_control.o oxfw_pcm.o oxfw.o obj-m += snd-oxfw.o diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c index 6428d80..3d4df12 100644 --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -25,281 +25,6 @@ MODULE_AUTHOR("Clemens Ladisch "); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("snd-firewire-speakers"); -enum control_action { CTL_READ, CTL_WRITE }; -enum control_attribute { - CTL_MIN = 0x02, - CTL_MAX = 0x03, - CTL_CURRENT = 0x10, -}; - -static int oxfw_mute_command(struct snd_oxfw *oxfw, bool *value, - enum control_action action) -{ - u8 *buf; - u8 response_ok; - int err; - - buf = kmalloc(11, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - if (action == CTL_READ) { - buf[0] = 0x01; /* AV/C, STATUS */ - response_ok = 0x0c; /* STABLE */ - } else { - buf[0] = 0x00; /* AV/C, CONTROL */ - response_ok = 0x09; /* ACCEPTED */ - } - buf[1] = 0x08; /* audio unit 0 */ - buf[2] = 0xb8; /* FUNCTION BLOCK */ - buf[3] = 0x81; /* function block type: feature */ - buf[4] = oxfw->device_info->mute_fb_id; /* function block ID */ - buf[5] = 0x10; /* control attribute: current */ - buf[6] = 0x02; /* selector length */ - buf[7] = 0x00; /* audio channel number */ - buf[8] = 0x01; /* control selector: mute */ - buf[9] = 0x01; /* control data length */ - if (action == CTL_READ) - buf[10] = 0xff; - else - buf[10] = *value ? 0x70 : 0x60; - - err = fcp_avc_transaction(oxfw->unit, buf, 11, buf, 11, 0x3fe); - if (err < 0) - goto error; - if (err < 11) { - dev_err(&oxfw->unit->device, "short FCP response\n"); - err = -EIO; - goto error; - } - if (buf[0] != response_ok) { - dev_err(&oxfw->unit->device, "mute command failed\n"); - err = -EIO; - goto error; - } - if (action == CTL_READ) - *value = buf[10] == 0x70; - - err = 0; - -error: - kfree(buf); - - return err; -} - -static int oxfw_volume_command(struct snd_oxfw *oxfw, s16 *value, - unsigned int channel, - enum control_attribute attribute, - enum control_action action) -{ - u8 *buf; - u8 response_ok; - int err; - - buf = kmalloc(12, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - if (action == CTL_READ) { - buf[0] = 0x01; /* AV/C, STATUS */ - response_ok = 0x0c; /* STABLE */ - } else { - buf[0] = 0x00; /* AV/C, CONTROL */ - response_ok = 0x09; /* ACCEPTED */ - } - buf[1] = 0x08; /* audio unit 0 */ - buf[2] = 0xb8; /* FUNCTION BLOCK */ - buf[3] = 0x81; /* function block type: feature */ - buf[4] = oxfw->device_info->volume_fb_id; /* function block ID */ - buf[5] = attribute; /* control attribute */ - buf[6] = 0x02; /* selector length */ - buf[7] = channel; /* audio channel number */ - buf[8] = 0x02; /* control selector: volume */ - buf[9] = 0x02; /* control data length */ - if (action == CTL_READ) { - buf[10] = 0xff; - buf[11] = 0xff; - } else { - buf[10] = *value >> 8; - buf[11] = *value; - } - - err = fcp_avc_transaction(oxfw->unit, buf, 12, buf, 12, 0x3fe); - if (err < 0) - goto error; - if (err < 12) { - dev_err(&oxfw->unit->device, "short FCP response\n"); - err = -EIO; - goto error; - } - if (buf[0] != response_ok) { - dev_err(&oxfw->unit->device, "volume command failed\n"); - err = -EIO; - goto error; - } - if (action == CTL_READ) - *value = (buf[10] << 8) | buf[11]; - - err = 0; - -error: - kfree(buf); - - return err; -} - -static int oxfw_mute_get(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct snd_oxfw *oxfw = control->private_data; - - value->value.integer.value[0] = !oxfw->mute; - - return 0; -} - -static int oxfw_mute_put(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct snd_oxfw *oxfw = control->private_data; - bool mute; - int err; - - mute = !value->value.integer.value[0]; - - if (mute == oxfw->mute) - return 0; - - err = oxfw_mute_command(oxfw, &mute, CTL_WRITE); - if (err < 0) - return err; - oxfw->mute = mute; - - return 1; -} - -static int oxfw_volume_info(struct snd_kcontrol *control, - struct snd_ctl_elem_info *info) -{ - struct snd_oxfw *oxfw = control->private_data; - - info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - info->count = oxfw->device_info->mixer_channels; - info->value.integer.min = oxfw->volume_min; - info->value.integer.max = oxfw->volume_max; - - return 0; -} - -static const u8 channel_map[6] = { 0, 1, 4, 5, 2, 3 }; - -static int oxfw_volume_get(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct snd_oxfw *oxfw = control->private_data; - unsigned int i; - - for (i = 0; i < oxfw->device_info->mixer_channels; ++i) - value->value.integer.value[channel_map[i]] = oxfw->volume[i]; - - return 0; -} - -static int oxfw_volume_put(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct snd_oxfw *oxfw = control->private_data; - unsigned int i, changed_channels; - bool equal_values = true; - s16 volume; - int err; - - for (i = 0; i < oxfw->device_info->mixer_channels; ++i) { - if (value->value.integer.value[i] < oxfw->volume_min || - value->value.integer.value[i] > oxfw->volume_max) - return -EINVAL; - if (value->value.integer.value[i] != - value->value.integer.value[0]) - equal_values = false; - } - - changed_channels = 0; - for (i = 0; i < oxfw->device_info->mixer_channels; ++i) - if (value->value.integer.value[channel_map[i]] != - oxfw->volume[i]) - changed_channels |= 1 << (i + 1); - - if (equal_values && changed_channels != 0) - changed_channels = 1 << 0; - - for (i = 0; i <= oxfw->device_info->mixer_channels; ++i) { - volume = value->value.integer.value[channel_map[i ? i - 1 : 0]]; - if (changed_channels & (1 << i)) { - err = oxfw_volume_command(oxfw, &volume, i, - CTL_CURRENT, CTL_WRITE); - if (err < 0) - return err; - } - if (i > 0) - oxfw->volume[i - 1] = volume; - } - - return changed_channels != 0; -} - -static int oxfw_create_mixer(struct snd_oxfw *oxfw) -{ - static const struct snd_kcontrol_new controls[] = { - { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Playback Switch", - .info = snd_ctl_boolean_mono_info, - .get = oxfw_mute_get, - .put = oxfw_mute_put, - }, - { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Playback Volume", - .info = oxfw_volume_info, - .get = oxfw_volume_get, - .put = oxfw_volume_put, - }, - }; - unsigned int i, first_ch; - int err; - - err = oxfw_volume_command(oxfw, &oxfw->volume_min, - 0, CTL_MIN, CTL_READ); - if (err < 0) - return err; - err = oxfw_volume_command(oxfw, &oxfw->volume_max, - 0, CTL_MAX, CTL_READ); - if (err < 0) - return err; - - err = oxfw_mute_command(oxfw, &oxfw->mute, CTL_READ); - if (err < 0) - return err; - - first_ch = oxfw->device_info->mixer_channels == 1 ? 0 : 1; - for (i = 0; i < oxfw->device_info->mixer_channels; ++i) { - err = oxfw_volume_command(oxfw, &oxfw->volume[i], - first_ch + i, CTL_CURRENT, CTL_READ); - if (err < 0) - return err; - } - - for (i = 0; i < ARRAY_SIZE(controls); ++i) { - err = snd_ctl_add(oxfw->card, - snd_ctl_new1(&controls[i], oxfw)); - if (err < 0) - return err; - } - - return 0; -} - static u32 oxfw_read_firmware_version(struct fw_unit *unit) { __be32 data; diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h index 1196db8..6164bf3 100644 --- a/sound/firewire/oxfw/oxfw.h +++ b/sound/firewire/oxfw/oxfw.h @@ -58,3 +58,5 @@ void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw); int firewave_constraints(struct snd_pcm_runtime *runtime); int lacie_speakers_constraints(struct snd_pcm_runtime *runtime); int snd_oxfw_create_pcm(struct snd_oxfw *oxfw); + +int snd_oxfw_create_mixer(struct snd_oxfw *oxfw); diff --git a/sound/firewire/oxfw/oxfw_control.c b/sound/firewire/oxfw/oxfw_control.c new file mode 100644 index 0000000..02a1cb9 --- /dev/null +++ b/sound/firewire/oxfw/oxfw_control.c @@ -0,0 +1,283 @@ +/* + * oxfw_stream.c - a part of driver for OXFW970/971 based devices + * + * Copyright (c) Clemens Ladisch + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#include "oxfw.h" + +enum control_action { CTL_READ, CTL_WRITE }; +enum control_attribute { + CTL_MIN = 0x02, + CTL_MAX = 0x03, + CTL_CURRENT = 0x10, +}; + +static int oxfw_mute_command(struct snd_oxfw *oxfw, bool *value, + enum control_action action) +{ + u8 *buf; + u8 response_ok; + int err; + + buf = kmalloc(11, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (action == CTL_READ) { + buf[0] = 0x01; /* AV/C, STATUS */ + response_ok = 0x0c; /* STABLE */ + } else { + buf[0] = 0x00; /* AV/C, CONTROL */ + response_ok = 0x09; /* ACCEPTED */ + } + buf[1] = 0x08; /* audio unit 0 */ + buf[2] = 0xb8; /* FUNCTION BLOCK */ + buf[3] = 0x81; /* function block type: feature */ + buf[4] = oxfw->device_info->mute_fb_id; /* function block ID */ + buf[5] = 0x10; /* control attribute: current */ + buf[6] = 0x02; /* selector length */ + buf[7] = 0x00; /* audio channel number */ + buf[8] = 0x01; /* control selector: mute */ + buf[9] = 0x01; /* control data length */ + if (action == CTL_READ) + buf[10] = 0xff; + else + buf[10] = *value ? 0x70 : 0x60; + + err = fcp_avc_transaction(oxfw->unit, buf, 11, buf, 11, 0x3fe); + if (err < 0) + goto error; + if (err < 11) { + dev_err(&oxfw->unit->device, "short FCP response\n"); + err = -EIO; + goto error; + } + if (buf[0] != response_ok) { + dev_err(&oxfw->unit->device, "mute command failed\n"); + err = -EIO; + goto error; + } + if (action == CTL_READ) + *value = buf[10] == 0x70; + + err = 0; + +error: + kfree(buf); + + return err; +} + +static int oxfw_volume_command(struct snd_oxfw *oxfw, s16 *value, + unsigned int channel, + enum control_attribute attribute, + enum control_action action) +{ + u8 *buf; + u8 response_ok; + int err; + + buf = kmalloc(12, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (action == CTL_READ) { + buf[0] = 0x01; /* AV/C, STATUS */ + response_ok = 0x0c; /* STABLE */ + } else { + buf[0] = 0x00; /* AV/C, CONTROL */ + response_ok = 0x09; /* ACCEPTED */ + } + buf[1] = 0x08; /* audio unit 0 */ + buf[2] = 0xb8; /* FUNCTION BLOCK */ + buf[3] = 0x81; /* function block type: feature */ + buf[4] = oxfw->device_info->volume_fb_id; /* function block ID */ + buf[5] = attribute; /* control attribute */ + buf[6] = 0x02; /* selector length */ + buf[7] = channel; /* audio channel number */ + buf[8] = 0x02; /* control selector: volume */ + buf[9] = 0x02; /* control data length */ + if (action == CTL_READ) { + buf[10] = 0xff; + buf[11] = 0xff; + } else { + buf[10] = *value >> 8; + buf[11] = *value; + } + + err = fcp_avc_transaction(oxfw->unit, buf, 12, buf, 12, 0x3fe); + if (err < 0) + goto error; + if (err < 12) { + dev_err(&oxfw->unit->device, "short FCP response\n"); + err = -EIO; + goto error; + } + if (buf[0] != response_ok) { + dev_err(&oxfw->unit->device, "volume command failed\n"); + err = -EIO; + goto error; + } + if (action == CTL_READ) + *value = (buf[10] << 8) | buf[11]; + + err = 0; + +error: + kfree(buf); + + return err; +} + +static int oxfw_mute_get(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct snd_oxfw *oxfw = control->private_data; + + value->value.integer.value[0] = !oxfw->mute; + + return 0; +} + +static int oxfw_mute_put(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct snd_oxfw *oxfw = control->private_data; + bool mute; + int err; + + mute = !value->value.integer.value[0]; + + if (mute == oxfw->mute) + return 0; + + err = oxfw_mute_command(oxfw, &mute, CTL_WRITE); + if (err < 0) + return err; + oxfw->mute = mute; + + return 1; +} + +static int oxfw_volume_info(struct snd_kcontrol *control, + struct snd_ctl_elem_info *info) +{ + struct snd_oxfw *oxfw = control->private_data; + + info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + info->count = oxfw->device_info->mixer_channels; + info->value.integer.min = oxfw->volume_min; + info->value.integer.max = oxfw->volume_max; + + return 0; +} + +static const u8 channel_map[6] = { 0, 1, 4, 5, 2, 3 }; + +static int oxfw_volume_get(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct snd_oxfw *oxfw = control->private_data; + unsigned int i; + + for (i = 0; i < oxfw->device_info->mixer_channels; ++i) + value->value.integer.value[channel_map[i]] = oxfw->volume[i]; + + return 0; +} + +static int oxfw_volume_put(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct snd_oxfw *oxfw = control->private_data; + unsigned int i, changed_channels; + bool equal_values = true; + s16 volume; + int err; + + for (i = 0; i < oxfw->device_info->mixer_channels; ++i) { + if (value->value.integer.value[i] < oxfw->volume_min || + value->value.integer.value[i] > oxfw->volume_max) + return -EINVAL; + if (value->value.integer.value[i] != + value->value.integer.value[0]) + equal_values = false; + } + + changed_channels = 0; + for (i = 0; i < oxfw->device_info->mixer_channels; ++i) + if (value->value.integer.value[channel_map[i]] != + oxfw->volume[i]) + changed_channels |= 1 << (i + 1); + + if (equal_values && changed_channels != 0) + changed_channels = 1 << 0; + + for (i = 0; i <= oxfw->device_info->mixer_channels; ++i) { + volume = value->value.integer.value[channel_map[i ? i - 1 : 0]]; + if (changed_channels & (1 << i)) { + err = oxfw_volume_command(oxfw, &volume, i, + CTL_CURRENT, CTL_WRITE); + if (err < 0) + return err; + } + if (i > 0) + oxfw->volume[i - 1] = volume; + } + + return changed_channels != 0; +} + +int snd_oxfw_create_mixer(struct snd_oxfw *oxfw) +{ + static const struct snd_kcontrol_new controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .info = snd_ctl_boolean_mono_info, + .get = oxfw_mute_get, + .put = oxfw_mute_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Volume", + .info = oxfw_volume_info, + .get = oxfw_volume_get, + .put = oxfw_volume_put, + }, + }; + unsigned int i, first_ch; + int err; + + err = oxfw_volume_command(oxfw, &oxfw->volume_min, + 0, CTL_MIN, CTL_READ); + if (err < 0) + return err; + err = oxfw_volume_command(oxfw, &oxfw->volume_max, + 0, CTL_MAX, CTL_READ); + if (err < 0) + return err; + + err = oxfw_mute_command(oxfw, &oxfw->mute, CTL_READ); + if (err < 0) + return err; + + first_ch = oxfw->device_info->mixer_channels == 1 ? 0 : 1; + for (i = 0; i < oxfw->device_info->mixer_channels; ++i) { + err = oxfw_volume_command(oxfw, &oxfw->volume[i], + first_ch + i, CTL_CURRENT, CTL_READ); + if (err < 0) + return err; + } + + for (i = 0; i < ARRAY_SIZE(controls); ++i) { + err = snd_ctl_add(oxfw->card, + snd_ctl_new1(&controls[i], oxfw)); + if (err < 0) + return err; + } + + return 0; +}