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| author | Karol Trzcinski <karolx.trzcinski@linux.intel.com> | 2020-11-24 21:00:14 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-11-25 14:07:14 +0300 |
| commit | 7f09f79d5cb13186b0f422cf2e1c711c88c92195 (patch) | |
| tree | a27ad999157ce8e097d949533baa770c08a54a18 /sound/soc/sof | |
| parent | 6a8b8b582db13a18235f3b0400f103a0573c7859 (diff) | |
| download | linux-7f09f79d5cb13186b0f422cf2e1c711c88c92195.tar.xz | |
ASoC: SOF: ext_manifest: Parse firmware config dictionary
Values given in this dictionary describes used firmware configuration,
like feature availability, buffer size limits and similar properties.
Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20201124180017.2232128-2-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof')
| -rw-r--r-- | sound/soc/sof/loader.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c index ce68d708fc6f..33d3be774380 100644 --- a/sound/soc/sof/loader.c +++ b/sound/soc/sof/loader.c @@ -197,6 +197,44 @@ static int ext_man_get_dbg_abi_info(struct snd_sof_dev *sdev, return 0; } +static int ext_man_get_config_data(struct snd_sof_dev *sdev, + const struct sof_ext_man_elem_header *hdr) +{ + const struct sof_ext_man_config_data *config = + container_of(hdr, struct sof_ext_man_config_data, hdr); + const struct sof_config_elem *elem; + int elems_counter; + int elems_size; + int i; + + /* calculate elements counter */ + elems_size = config->hdr.size - sizeof(struct sof_ext_man_elem_header); + elems_counter = elems_size / sizeof(struct sof_config_elem); + + dev_dbg(sdev->dev, "%s can hold up to %d config elements\n", + __func__, elems_counter); + + for (i = 0; i < elems_counter; ++i) { + elem = &config->elems[i]; + dev_dbg(sdev->dev, "%s get index %d token %d val %d\n", + __func__, i, elem->token, elem->value); + switch (elem->token) { + case SOF_EXT_MAN_CONFIG_EMPTY: + /* unused memory space is zero filled - mapped to EMPTY elements */ + break; + case SOF_EXT_MAN_CONFIG_IPC_MSG_SIZE: + /* TODO: use ipc msg size from config data */ + break; + default: + dev_info(sdev->dev, "Unknown firmware configuration token %d value %d", + elem->token, elem->value); + break; + } + } + + return 0; +} + static ssize_t snd_sof_ext_man_size(const struct firmware *fw) { const struct sof_ext_man_header *head; @@ -279,6 +317,9 @@ static int snd_sof_fw_ext_man_parse(struct snd_sof_dev *sdev, case SOF_EXT_MAN_ELEM_DBG_ABI: ret = ext_man_get_dbg_abi_info(sdev, elem_hdr); break; + case SOF_EXT_MAN_ELEM_CONFIG_DATA: + ret = ext_man_get_config_data(sdev, elem_hdr); + break; default: dev_info(sdev->dev, "unknown sof_ext_man header type %d size 0x%X\n", elem_hdr->type, elem_hdr->size); |