[PATCH 16/17] ASoC: Intel: avs: Code loading over CLDMA
Pierre-Louis Bossart
pierre-louis.bossart at linux.intel.com
Fri Feb 25 03:21:46 CET 2022
> +int avs_cldma_load_library(struct avs_dev *adev, struct firmware *lib, u32 id)
> +{
> + struct hda_cldma *cl = &code_loader;
> + int ret;
> +
> + hda_cldma_set_data(cl, (void *)lib->data, lib->size);
> + /* transfer modules manifest */
> + hda_cldma_transfer(cl, msecs_to_jiffies(AVS_CLDMA_START_DELAY_MS));
> + /* DMA id ignored as there is only ever one code-loader DMA */
consider adding new lines to make comments more readable. this is a bit
of an eyesore.
> + ret = avs_ipc_load_library(adev, 0, id);
> + hda_cldma_stop(cl);
> +
> + if (ret) {
> + ret = AVS_IPC_RET(ret);
> + dev_err(adev->dev, "transfer lib %d failed: %d\n", id, ret);
> + }
> +
> + return ret;
> +}
> +
> +static int avs_cldma_load_module(struct avs_dev *adev, struct avs_module_entry *mentry)
> +{
> + struct hda_cldma *cl = &code_loader;
> + const struct firmware *mod;
> + char mod_name[128];
use kasprintf?
> + int ret;
> +
> + snprintf(mod_name, sizeof(mod_name), "%s/%s/dsp_mod_%pUL.bin",
> + AVS_ROOT_DIR, adev->spec->name, mentry->uuid.b);
> +
> + ret = avs_request_firmware(adev, &mod, mod_name);
> + if (ret < 0)
> + return ret;
> +
> + hda_cldma_set_data(cl, (void *)mod->data, mod->size);
> + hda_cldma_transfer(cl, msecs_to_jiffies(AVS_CLDMA_START_DELAY_MS));
> + ret = avs_ipc_load_modules(adev, &mentry->module_id, 1);
> + hda_cldma_stop(cl);
> +
> + if (ret) {
> + dev_err(adev->dev, "load module %d failed: %d\n", mentry->module_id,
> + ret);
> + return AVS_IPC_RET(ret);
> + }
> +
> + return 0;
> +}
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