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[86.26.100.93]) by smtp.gmail.com with ESMTPSA id q2-v6sm29422963wrj.57.2018.05.09.06.00.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 09 May 2018 06:00:50 -0700 (PDT) From: Srinivas Kandagatla To: andy.gross@linaro.org, broonie@kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, robh+dt@kernel.org, bgoswami@codeaurora.org Cc: gregkh@linuxfoundation.org, david.brown@linaro.org, mark.rutland@arm.com, lgirdwood@gmail.com, plai@codeaurora.org, tiwai@suse.com, perex@perex.cz, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, rohkumar@qti.qualcomm.com, spatakok@qti.qualcomm.com, Srinivas Kandagatla Subject: [PATCH v8 10/24] ASoC: qdsp6: qdafe: Add SLIMBus port Support Date: Wed, 9 May 2018 13:56:21 +0100 Message-Id: <20180509125635.5653-11-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180509125635.5653-1-srinivas.kandagatla@linaro.org> References: <20180509125635.5653-1-srinivas.kandagatla@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds support to 6 SLIMBus AFE ports, which are used as backend dais. Signed-off-by: Srinivas Kandagatla Reviewed-and-tested-by: Rohit kumar Reviewed-by: Banajit Goswami --- sound/soc/qcom/qdsp6/q6afe.c | 129 +++++++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/qdsp6/q6afe.h | 14 +++++ 2 files changed, 143 insertions(+) -- 2.16.2 diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c index ec35ed1ffede..1de5c941b11e 100644 --- a/sound/soc/qcom/qdsp6/q6afe.c +++ b/sound/soc/qcom/qdsp6/q6afe.c @@ -27,9 +27,45 @@ #define AFE_PARAM_ID_HDMI_CONFIG 0x00010210 #define AFE_MODULE_AUDIO_DEV_INTERFACE 0x0001020C +#define AFE_PARAM_ID_CDC_SLIMBUS_SLAVE_CFG 0x00010235 + +#define AFE_PARAM_ID_SLIMBUS_CONFIG 0x00010212 + /* Port IDs */ #define AFE_API_VERSION_HDMI_CONFIG 0x1 #define AFE_PORT_ID_MULTICHAN_HDMI_RX 0x100E + +#define AFE_API_VERSION_SLIMBUS_CONFIG 0x1 + +/* SLIMbus Rx port on channel 0. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX 0x4000 +/* SLIMbus Tx port on channel 0. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_TX 0x4001 +/* SLIMbus Rx port on channel 1. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX 0x4002 +/* SLIMbus Tx port on channel 1. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_TX 0x4003 +/* SLIMbus Rx port on channel 2. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX 0x4004 +/* SLIMbus Tx port on channel 2. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_TX 0x4005 +/* SLIMbus Rx port on channel 3. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX 0x4006 +/* SLIMbus Tx port on channel 3. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_TX 0x4007 +/* SLIMbus Rx port on channel 4. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX 0x4008 +/* SLIMbus Tx port on channel 4. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX 0x4009 +/* SLIMbus Rx port on channel 5. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX 0x400a +/* SLIMbus Tx port on channel 5. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_TX 0x400b +/* SLIMbus Rx port on channel 6. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX 0x400c +/* SLIMbus Tx port on channel 6. */ +#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_TX 0x400d + #define TIMEOUT_MS 1000 #define AFE_CMD_RESP_AVAIL 0 #define AFE_CMD_RESP_NONE 1 @@ -80,8 +116,53 @@ struct afe_param_id_hdmi_multi_chan_audio_cfg { u16 reserved; } __packed; +struct afe_param_id_slimbus_cfg { + u32 sb_cfg_minor_version; +/* Minor version used for tracking the version of the SLIMBUS + * configuration interface. + * Supported values: #AFE_API_VERSION_SLIMBUS_CONFIG + */ + + u16 slimbus_dev_id; +/* SLIMbus hardware device ID, which is required to handle + * multiple SLIMbus hardware blocks. + * Supported values: - #AFE_SLIMBUS_DEVICE_1 - #AFE_SLIMBUS_DEVICE_2 + */ + u16 bit_width; +/* Bit width of the sample. + * Supported values: 16, 24 + */ + u16 data_format; +/* Data format supported by the SLIMbus hardware. The default is + * 0 (#AFE_SB_DATA_FORMAT_NOT_INDICATED), which indicates the + * hardware does not perform any format conversions before the data + * transfer. + */ + u16 num_channels; +/* Number of channels. + * Supported values: 1 to #AFE_PORT_MAX_AUDIO_CHAN_CNT + */ + u8 shared_ch_mapping[AFE_PORT_MAX_AUDIO_CHAN_CNT]; +/* Mapping of shared channel IDs (128 to 255) to which the + * master port is to be connected. + * Shared_channel_mapping[i] represents the shared channel assigned + * for audio channel i in multichannel audio data. + */ + u32 sample_rate; +/* Sampling rate of the port. + * Supported values: + * - #AFE_PORT_SAMPLE_RATE_8K + * - #AFE_PORT_SAMPLE_RATE_16K + * - #AFE_PORT_SAMPLE_RATE_48K + * - #AFE_PORT_SAMPLE_RATE_96K + * - #AFE_PORT_SAMPLE_RATE_192K + */ +} __packed; + + union afe_port_config { struct afe_param_id_hdmi_multi_chan_audio_cfg hdmi_multi_ch; + struct afe_param_id_slimbus_cfg slim_cfg; } __packed; struct q6afe_port { @@ -110,6 +191,20 @@ struct afe_port_map { static struct afe_port_map port_maps[AFE_PORT_MAX] = { [HDMI_RX] = { AFE_PORT_ID_MULTICHAN_HDMI_RX, HDMI_RX, 1, 1}, + [SLIMBUS_0_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX, + SLIMBUS_0_RX, 1, 1}, + [SLIMBUS_1_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX, + SLIMBUS_1_RX, 1, 1}, + [SLIMBUS_2_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX, + SLIMBUS_2_RX, 1, 1}, + [SLIMBUS_3_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX, + SLIMBUS_3_RX, 1, 1}, + [SLIMBUS_4_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX, + SLIMBUS_4_RX, 1, 1}, + [SLIMBUS_5_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX, + SLIMBUS_5_RX, 1, 1}, + [SLIMBUS_6_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX, + SLIMBUS_6_RX, 1, 1}, }; static struct q6afe_port *afe_find_port(struct q6afe *afe, int token) @@ -323,6 +418,31 @@ int q6afe_port_stop(struct q6afe_port *port) } EXPORT_SYMBOL_GPL(q6afe_port_stop); +/** + * q6afe_slim_port_prepare() - Prepare slim afe port. + * + * @port: Instance of afe port + * @cfg: SLIM configuration for the afe port + * + */ +void q6afe_slim_port_prepare(struct q6afe_port *port, + struct q6afe_slim_cfg *cfg) +{ + union afe_port_config *pcfg = &port->port_cfg; + + pcfg->slim_cfg.sb_cfg_minor_version = AFE_API_VERSION_SLIMBUS_CONFIG; + pcfg->slim_cfg.sample_rate = cfg->sample_rate; + pcfg->slim_cfg.bit_width = cfg->bit_width; + pcfg->slim_cfg.num_channels = cfg->num_channels; + pcfg->slim_cfg.data_format = cfg->data_format; + pcfg->slim_cfg.shared_ch_mapping[0] = cfg->ch_mapping[0]; + pcfg->slim_cfg.shared_ch_mapping[1] = cfg->ch_mapping[1]; + pcfg->slim_cfg.shared_ch_mapping[2] = cfg->ch_mapping[2]; + pcfg->slim_cfg.shared_ch_mapping[3] = cfg->ch_mapping[3]; + +} +EXPORT_SYMBOL_GPL(q6afe_slim_port_prepare); + /** * q6afe_hdmi_port_prepare() - Prepare hdmi afe port. * @@ -426,6 +546,15 @@ struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id) case AFE_PORT_ID_MULTICHAN_HDMI_RX: cfg_type = AFE_PARAM_ID_HDMI_CONFIG; break; + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX: + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX: + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX: + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX: + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX: + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX: + case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX: + cfg_type = AFE_PARAM_ID_SLIMBUS_CONFIG; + break; default: dev_err(dev, "Invalid port id 0x%x\n", port_id); return ERR_PTR(-EINVAL); diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h index 3bd991a7c42d..5659966c6b1e 100644 --- a/sound/soc/qcom/qdsp6/q6afe.h +++ b/sound/soc/qcom/qdsp6/q6afe.h @@ -11,6 +11,9 @@ #define MSM_AFE_PORT_TYPE_TX 1 #define AFE_MAX_PORTS AFE_PORT_MAX +#define AFE_MAX_CHAN_COUNT 8 +#define AFE_PORT_MAX_AUDIO_CHAN_CNT 0x8 + struct q6afe_hdmi_cfg { u16 datatype; u16 channel_allocation; @@ -18,8 +21,17 @@ struct q6afe_hdmi_cfg { u16 bit_width; }; +struct q6afe_slim_cfg { + u32 sample_rate; + u16 bit_width; + u16 data_format; + u16 num_channels; + u8 ch_mapping[AFE_MAX_CHAN_COUNT]; +}; + struct q6afe_port_config { struct q6afe_hdmi_cfg hdmi; + struct q6afe_slim_cfg slim; }; struct q6afe_port; @@ -31,5 +43,7 @@ void q6afe_port_put(struct q6afe_port *port); int q6afe_get_port_id(int index); void q6afe_hdmi_port_prepare(struct q6afe_port *port, struct q6afe_hdmi_cfg *cfg); +void q6afe_slim_port_prepare(struct q6afe_port *port, + struct q6afe_slim_cfg *cfg); #endif /* __Q6AFE_H__ */