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[86.26.100.93]) by smtp.gmail.com with ESMTPSA id t138sm1633154wme.16.2017.12.05.14.20.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 05 Dec 2017 14:20:29 -0800 (PST) From: srinivas.kandagatla@linaro.org To: broonie@kernel.org, bgoswami@codeaurora.org Cc: alsa-devel@alsa-project.org, tiwai@suse.com, plai@codeaurora.org, kwestfie@codeaurora.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, lkasam@qti.qualcomm.com, Srinivas Kandagatla Subject: [PATCH v2 10/15] ASoC: qcom: qdsp6: Add support to q6routing driver Date: Tue, 5 Dec 2017 22:18:07 +0000 Message-Id: <20171205221812.25641-11-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.15.0 In-Reply-To: <20171205221812.25641-1-srinivas.kandagatla@linaro.org> References: <20171205221812.25641-1-srinivas.kandagatla@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Kandagatla This patch adds support to q6 routing driver which configures route between ASM and AFE module using ADM apis. This driver uses dapm widgets to setup the matrix between AFE ports and ASM streams. Signed-off-by: Srinivas Kandagatla --- sound/soc/qcom/Kconfig | 5 + sound/soc/qcom/qdsp6/Makefile | 1 + sound/soc/qcom/qdsp6/q6routing.c | 386 +++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/qdsp6/q6routing.h | 9 + 4 files changed, 401 insertions(+) create mode 100644 sound/soc/qcom/qdsp6/q6routing.c create mode 100644 sound/soc/qcom/qdsp6/q6routing.h -- 2.15.0 diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 121b9c957024..dd8fb0cde614 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -60,12 +60,17 @@ config SND_SOC_QDSP6_CORE tristate default n +config SND_SOC_QDSP6_ROUTING + tristate + default n + config SND_SOC_QDSP6 tristate "SoC ALSA audio driver for QDSP6" select SND_SOC_QDSP6_AFE select SND_SOC_QDSP6_ADM select SND_SOC_QDSP6_ASM select SND_SOC_QDSP6_CORE + select SND_SOC_QDSP6_ROUTING help To add support for MSM QDSP6 Soc Audio. This will enable sound soc platform specific diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile index ad7f10691e54..c1ad060a2341 100644 --- a/sound/soc/qcom/qdsp6/Makefile +++ b/sound/soc/qcom/qdsp6/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_SND_SOC_QDSP6_AFE) += q6afe.o obj-$(CONFIG_SND_SOC_QDSP6_ADM) += q6adm.o obj-$(CONFIG_SND_SOC_QDSP6_ASM) += q6asm.o obj-$(CONFIG_SND_SOC_QDSP6_CORE) += q6core.o +obj-$(CONFIG_SND_SOC_QDSP6_ROUTING) += q6routing.o diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c new file mode 100644 index 000000000000..f5f12d61a1ee --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6routing.c @@ -0,0 +1,386 @@ +/* SPDX-License-Identifier: GPL-2.0 +* Copyright (c) 2011-2016, The Linux Foundation +* Copyright (c) 2017, Linaro Limited +*/ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "q6afe.h" +#include "q6asm.h" +#include "q6adm.h" +#include "q6routing.h" + +struct session_data { + int state; + int port_id; + int path_type; + int app_type; + int acdb_id; + int sample_rate; + int bits_per_sample; + int channels; + int format; + int perf_mode; + int numcopps; + int fedai_id; + unsigned long copp_map; +}; + +struct msm_routing_data { + struct session_data sessions[MAX_SESSIONS]; + struct device *dev; + struct mutex lock; +}; + +static struct msm_routing_data *routing_data; + +/** + * q6routing_reg_phy_stream() - Register a new stream for route setup + * + * @fedai_id: Frontend dai id. + * @perf_mode: Performace mode. + * @stream_id: ASM stream id to map. + * @stream_type: Direction of stream + * + * Return: Will be an negative on error or a zero on success. + */ +int q6routing_reg_phy_stream(int fedai_id, int perf_mode, + int stream_id, int stream_type) +{ + int j, topology, num_copps = 0; + struct route_payload payload; + int copp_idx; + struct session_data *session; + + if (!routing_data) { + pr_err("Routing driver not yet ready\n"); + return -EINVAL; + } + + session = &routing_data->sessions[stream_id - 1]; + mutex_lock(&routing_data->lock); + session->fedai_id = fedai_id; + payload.num_copps = 0; /* only RX needs to use payload */ + topology = NULL_COPP_TOPOLOGY; + copp_idx = q6adm_open(routing_data->dev, session->port_id, + session->path_type, session->sample_rate, + session->channels, topology, perf_mode, + session->bits_per_sample, 0, 0); + if ((copp_idx < 0) || (copp_idx >= MAX_COPPS_PER_PORT)) { + mutex_unlock(&routing_data->lock); + return -EINVAL; + } + + set_bit(copp_idx, &session->copp_map); + for (j = 0; j < MAX_COPPS_PER_PORT; j++) { + unsigned long copp = session->copp_map; + + if (test_bit(j, &copp)) { + payload.port_id[num_copps] = session->port_id; + payload.copp_idx[num_copps] = j; + num_copps++; + } + } + + if (num_copps) { + payload.num_copps = num_copps; + payload.session_id = stream_id; + q6adm_matrix_map(routing_data->dev, session->path_type, + payload, perf_mode); + } + mutex_unlock(&routing_data->lock); + + return 0; +} +EXPORT_SYMBOL_GPL(q6routing_reg_phy_stream); + +static struct session_data *routing_get_session(struct msm_routing_data *data, + int port_id, int port_type) +{ + int i; + + for (i = 0; i < MAX_SESSIONS; i++) + if (port_id == data->sessions[i].port_id) + return &data->sessions[i]; + + return NULL; +} + +static struct session_data *get_session_from_id(struct msm_routing_data *data, + int fedai_id) +{ + int i; + + for (i = 0; i < MAX_SESSIONS; i++) { + if (fedai_id == data->sessions[i].fedai_id) + return &data->sessions[i]; + } + + return NULL; +} +/** + * q6routing_dereg_phy_stream() - Deregister a stream + * + * @fedai_id: Frontend dai id. + * @stream_type: Direction of stream + * + * Return: Will be an negative on error or a zero on success. + */ +void q6routing_dereg_phy_stream(int fedai_id, int stream_type) +{ + struct session_data *session; + int idx; + + session = get_session_from_id(routing_data, fedai_id); + if (!session) + return; + + for_each_set_bit(idx, &session->copp_map, MAX_COPPS_PER_PORT) + q6adm_close(routing_data->dev, session->port_id, + session->perf_mode, idx); + + session->fedai_id = -1; + session->copp_map = 0; +} +EXPORT_SYMBOL_GPL(q6routing_dereg_phy_stream); + +static int msm_routing_get_audio_mixer(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_context *dapm = + snd_soc_dapm_kcontrol_dapm(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int session_id = mc->shift; + struct snd_soc_platform *platform = snd_soc_dapm_to_platform(dapm); + struct msm_routing_data *priv = snd_soc_platform_get_drvdata(platform); + struct session_data *session = &priv->sessions[session_id]; + + if (session->port_id != -1) + ucontrol->value.integer.value[0] = 1; + else + ucontrol->value.integer.value[0] = 0; + + return 0; +} + +static int msm_routing_put_audio_mixer(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dapm_context *dapm = + snd_soc_dapm_kcontrol_dapm(kcontrol); + struct snd_soc_platform *platform = snd_soc_dapm_to_platform(dapm); + struct msm_routing_data *data = snd_soc_platform_get_drvdata(platform); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct snd_soc_dapm_update *update = NULL; + int be_id = mc->reg; + int session_id = mc->shift; + struct session_data *session = &data->sessions[session_id]; + + if (ucontrol->value.integer.value[0]) { + session->port_id = be_id; + snd_soc_dapm_mixer_update_power(dapm, kcontrol, 1, update); + } else { + session->port_id = -1; + snd_soc_dapm_mixer_update_power(dapm, kcontrol, 0, update); + } + + return 1; +} + +static const struct snd_kcontrol_new hdmi_mixer_controls[] = { + SOC_SINGLE_EXT("MultiMedia1", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA1, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia2", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA2, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia3", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA3, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia4", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA4, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia5", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA5, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia6", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA6, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia7", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA7, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), + SOC_SINGLE_EXT("MultiMedia8", AFE_PORT_HDMI_RX, + MSM_FRONTEND_DAI_MULTIMEDIA8, 1, 0, + msm_routing_get_audio_mixer, + msm_routing_put_audio_mixer), +}; + +static const struct snd_soc_dapm_widget msm_qdsp6_widgets[] = { + /* Frontend AIF */ + /* Widget name equals to Front-End DAI name, + * Stream name must contains substring of front-end dai name + */ + SND_SOC_DAPM_AIF_IN("MM_DL1", "MultiMedia1 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL2", "MultiMedia2 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL3", "MultiMedia3 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL4", "MultiMedia4 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL5", "MultiMedia5 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL6", "MultiMedia6 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL7", "MultiMedia7 Playback", 0, 0, 0, 0), + SND_SOC_DAPM_AIF_IN("MM_DL8", "MultiMedia8 Playback", 0, 0, 0, 0), + + /* Mixer definitions */ + SND_SOC_DAPM_MIXER("HDMI Mixer", SND_SOC_NOPM, 0, 0, + hdmi_mixer_controls, + ARRAY_SIZE(hdmi_mixer_controls)), +}; + +static const struct snd_soc_dapm_route intercon[] = { + {"HDMI Mixer", "MultiMedia1", "MM_DL1"}, + {"HDMI Mixer", "MultiMedia2", "MM_DL2"}, + {"HDMI Mixer", "MultiMedia3", "MM_DL3"}, + {"HDMI Mixer", "MultiMedia4", "MM_DL4"}, + {"HDMI Mixer", "MultiMedia5", "MM_DL5"}, + {"HDMI Mixer", "MultiMedia6", "MM_DL6"}, + {"HDMI Mixer", "MultiMedia7", "MM_DL7"}, + {"HDMI Mixer", "MultiMedia8", "MM_DL8"}, + {"HDMI", NULL, "HDMI Mixer"}, + {"HDMI-RX", NULL, "HDMI"}, +}; + +static int routing_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + unsigned int be_id = rtd->cpu_dai->id; + struct snd_soc_platform *platform = rtd->platform; + struct msm_routing_data *data = snd_soc_platform_get_drvdata(platform); + struct session_data *session; + int port_id, port_type, path_type, bits_per_sample; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + path_type = ADM_PATH_PLAYBACK; + port_type = MSM_AFE_PORT_TYPE_RX; + } + + port_id = be_id; + + session = routing_get_session(data, port_id, port_type); + + if (!session) { + pr_err("No session matrix setup yet..\n"); + return -EINVAL; + } + + mutex_lock(&data->lock); + + session->path_type = path_type; + session->sample_rate = params_rate(params); + session->channels = params_channels(params); + session->format = params_format(params); + + if (session->format == SNDRV_PCM_FORMAT_S16_LE) + session->bits_per_sample = 16; + else if (session->format == SNDRV_PCM_FORMAT_S24_LE) + bits_per_sample = 24; + + mutex_unlock(&data->lock); + return 0; +} + +static int routing_close(struct snd_pcm_substream *substream) +{ + return 0; +} + +static int routing_prepare(struct snd_pcm_substream *substream) +{ + return 0; +} + +static struct snd_pcm_ops q6pcm_routing_ops = { + .hw_params = routing_hw_params, + .close = routing_close, + .prepare = routing_prepare, +}; + +/* Not used but frame seems to require it */ +static int msm_routing_probe(struct snd_soc_platform *platform) +{ + int i; + + for (i = 0; i < MAX_SESSIONS; i++) + routing_data->sessions[i].port_id = -1; + + snd_soc_platform_set_drvdata(platform, routing_data); + + return 0; +} + +static struct snd_soc_platform_driver msm_soc_routing_platform = { + .ops = &q6pcm_routing_ops, + .probe = msm_routing_probe, + .component_driver = { + .dapm_widgets = msm_qdsp6_widgets, + .num_dapm_widgets = ARRAY_SIZE(msm_qdsp6_widgets), + .dapm_routes = intercon, + .num_dapm_routes = ARRAY_SIZE(intercon), + }, +}; + +static int q6pcm_routing_probe(struct platform_device *pdev) +{ + + routing_data = devm_kzalloc(&pdev->dev, + sizeof(*routing_data), GFP_KERNEL); + if (!routing_data) + return -ENOMEM; + + routing_data->dev = &pdev->dev; + + mutex_init(&routing_data->lock); + dev_set_drvdata(&pdev->dev, routing_data); + + return devm_snd_soc_register_platform(&pdev->dev, + &msm_soc_routing_platform); +} + +static int q6pcm_routing_remove(struct platform_device *pdev) +{ + return 0; +} + +static struct platform_driver q6pcm_routing_driver = { + .driver = { + .name = "q6routing", + .owner = THIS_MODULE, + }, + .probe = q6pcm_routing_probe, + .remove = q6pcm_routing_remove, +}; + +module_platform_driver(q6pcm_routing_driver); + +MODULE_DESCRIPTION("Q6 Routing platform"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/qcom/qdsp6/q6routing.h b/sound/soc/qcom/qdsp6/q6routing.h new file mode 100644 index 000000000000..7f0feb196acc --- /dev/null +++ b/sound/soc/qcom/qdsp6/q6routing.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _Q6_PCM_ROUTING_H +#define _Q6_PCM_ROUTING_H + +int q6routing_reg_phy_stream(int fedai_id, int perf_mode, + int stream_id, int stream_type); +void q6routing_dereg_phy_stream(int fedai_id, int stream_type); + +#endif /*_Q6_PCM_ROUTING_H */