On Intel HDA platforms the library loading is done via DMA and an IPC message is also need to be sent to initiate the downloading of the new library.
Co-developed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Chao Song chao.song@intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.com --- include/sound/sof/ipc4/header.h | 4 ++ sound/soc/sof/intel/apl.c | 3 ++ sound/soc/sof/intel/cnl.c | 3 ++ sound/soc/sof/intel/hda-loader.c | 66 ++++++++++++++++++++++++++++++++ sound/soc/sof/intel/hda.h | 3 ++ sound/soc/sof/intel/icl.c | 3 ++ sound/soc/sof/intel/mtl.c | 3 ++ sound/soc/sof/intel/tgl.c | 3 ++ 8 files changed, 88 insertions(+)
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h index 99efe0ef1784..622193be7ac4 100644 --- a/include/sound/sof/ipc4/header.h +++ b/include/sound/sof/ipc4/header.h @@ -185,6 +185,10 @@ enum sof_ipc4_pipeline_state { #define SOF_IPC4_GLB_PIPE_STATE_MASK GENMASK(15, 0) #define SOF_IPC4_GLB_PIPE_STATE(x) ((x) << SOF_IPC4_GLB_PIPE_STATE_SHIFT)
+/* load library ipc msg */ +#define SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID_SHIFT 16 +#define SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID(x) ((x) << SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID_SHIFT) + enum sof_ipc4_channel_config { /* one channel only. */ SOF_IPC4_CHANNEL_CONFIG_MONO, diff --git a/sound/soc/sof/intel/apl.c b/sound/soc/sof/intel/apl.c index 1549ca7587a4..d93b4ead3c37 100644 --- a/sound/soc/sof/intel/apl.c +++ b/sound/soc/sof/intel/apl.c @@ -62,6 +62,9 @@ int sof_apl_ops_init(struct snd_sof_dev *sdev)
ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_1_5;
+ /* External library loading support */ + ipc4_data->load_library = hda_dsp_ipc4_load_library; + /* doorbell */ sof_apl_ops.irq_thread = hda_dsp_ipc4_irq_thread;
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c index da26f0ce9abc..2553afe6f27d 100644 --- a/sound/soc/sof/intel/cnl.c +++ b/sound/soc/sof/intel/cnl.c @@ -407,6 +407,9 @@ int sof_cnl_ops_init(struct snd_sof_dev *sdev)
ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_1_8;
+ /* External library loading support */ + ipc4_data->load_library = hda_dsp_ipc4_load_library; + /* doorbell */ sof_cnl_ops.irq_thread = cnl_ipc4_irq_thread;
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c index 5ed524e166d2..38204541fc5d 100644 --- a/sound/soc/sof/intel/hda-loader.c +++ b/sound/soc/sof/intel/hda-loader.c @@ -19,7 +19,9 @@ #include <sound/hdaudio_ext.h> #include <sound/hda_register.h> #include <sound/sof.h> +#include <sound/sof/ipc4/header.h> #include "ext_manifest.h" +#include "../ipc4-priv.h" #include "../ops.h" #include "../sof-priv.h" #include "hda.h" @@ -518,6 +520,70 @@ int hda_dsp_cl_boot_firmware(struct snd_sof_dev *sdev) return ret; }
+int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev, + struct sof_ipc4_fw_library *fw_lib, bool reload) +{ + struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; + struct hdac_ext_stream *hext_stream; + struct firmware stripped_firmware; + struct sof_ipc4_msg msg = {}; + struct snd_dma_buffer dmab; + int ret, ret1; + + /* IMR booting will restore the libraries as well, skip the loading */ + if (reload && hda->booted_from_imr) + return 0; + + /* the fw_lib has been verified during loading, we can trust the validity here */ + stripped_firmware.data = fw_lib->sof_fw.fw->data + fw_lib->sof_fw.payload_offset; + stripped_firmware.size = fw_lib->sof_fw.fw->size - fw_lib->sof_fw.payload_offset; + + /* prepare DMA for code loader stream */ + hext_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT, + stripped_firmware.size, + &dmab, SNDRV_PCM_STREAM_PLAYBACK); + if (IS_ERR(hext_stream)) { + dev_err(sdev->dev, "%s: DMA prepare failed\n", __func__); + return PTR_ERR(hext_stream); + } + + memcpy(dmab.area, stripped_firmware.data, stripped_firmware.size); + + msg.primary = hext_stream->hstream.stream_tag - 1; + msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_GLB_LOAD_LIBRARY); + msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); + msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_FW_GEN_MSG); + msg.primary |= SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID(fw_lib->id); + + ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_START); + if (ret < 0) { + dev_err(sdev->dev, "%s: DMA trigger start failed\n", __func__); + goto cleanup; + } + + ret = sof_ipc_tx_message(sdev->ipc, &msg, 0, NULL, 0); + + ret1 = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_STOP); + if (ret1 < 0) { + dev_err(sdev->dev, "%s: DMA trigger stop failed\n", __func__); + if (!ret) + ret = ret1; + } + +cleanup: + /* clean up even in case of error and return the first error */ + ret1 = hda_cl_cleanup(sdev, &dmab, hext_stream); + if (ret1 < 0) { + dev_err(sdev->dev, "%s: Code loader DSP cleanup failed\n", __func__); + + /* set return value to indicate cleanup failure */ + if (!ret) + ret = ret1; + } + + return ret; +} + /* pre fw run operations */ int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev) { diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 4d9eb321a046..c91fc3637823 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -866,4 +866,7 @@ int hda_dsp_ipc4_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) void hda_ipc4_dump(struct snd_sof_dev *sdev); extern struct sdw_intel_ops sdw_callback;
+struct sof_ipc4_fw_library; +int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev, + struct sof_ipc4_fw_library *fw_lib, bool reload); #endif diff --git a/sound/soc/sof/intel/icl.c b/sound/soc/sof/intel/icl.c index 6d5877108a3d..f95b2ec57077 100644 --- a/sound/soc/sof/intel/icl.c +++ b/sound/soc/sof/intel/icl.c @@ -130,6 +130,9 @@ int sof_icl_ops_init(struct snd_sof_dev *sdev)
ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
+ /* External library loading support */ + ipc4_data->load_library = hda_dsp_ipc4_load_library; + /* doorbell */ sof_icl_ops.irq_thread = cnl_ipc4_irq_thread;
diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c index 054b9ab721ff..7e8b298786df 100644 --- a/sound/soc/sof/intel/mtl.c +++ b/sound/soc/sof/intel/mtl.c @@ -659,6 +659,9 @@ int sof_mtl_ops_init(struct snd_sof_dev *sdev)
ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
+ /* External library loading support */ + ipc4_data->load_library = hda_dsp_ipc4_load_library; + /* set DAI ops */ hda_set_dai_drv_ops(sdev, &sof_mtl_ops);
diff --git a/sound/soc/sof/intel/tgl.c b/sound/soc/sof/intel/tgl.c index 9ae2890e9dac..143447f7c1ac 100644 --- a/sound/soc/sof/intel/tgl.c +++ b/sound/soc/sof/intel/tgl.c @@ -85,6 +85,9 @@ int sof_tgl_ops_init(struct snd_sof_dev *sdev)
ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
+ /* External library loading support */ + ipc4_data->load_library = hda_dsp_ipc4_load_library; + /* doorbell */ sof_tgl_ops.irq_thread = cnl_ipc4_irq_thread;