Re: [PATCH v2 3/8] ASoC: SOF: imx8: use IMX_SOF_* macros
From: Frank Li
Date: Thu Feb 06 2025 - 11:13:46 EST
On Wed, Feb 05, 2025 at 03:30:17PM -0500, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>
>
> The definition of 'struct sof_dev_desc' has the following properties
> for imx chips:
>
> 1) FW path is the same for all chips.
> 2) Topology path is the same for all chips.
> 3) FW name can be written as: "sof-${machine_name}.ri"
> 4) IPC3 is the only supported protocol
>
> The structure takes quite a few lines of code. Since the intention
> is to add support for more imx8 chips in the same driver, we need
> to try and reduce the number of lines taken by information that's
> not particularly useful. As such, we can use 'IMX_SOF_DEV_DESC()'
> to reduce the declaration of the structure to just one line. The
> only information that's particularly useful can be seen from the
> parameters of the macro.
>
> Of course, if any of the assumptions don't apply anymore, driver
> writers can simply declare the 'struct sof_dev_desc' the "old
> fashioned way". No reason to make the macro suit multiple needs.
>
> The same logic applies to the array of 'struct snd_soc_dai_driver'.
>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@xxxxxxx>
> Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx>
> Reviewed-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> sound/soc/sof/imx/imx8.c | 71 +++++++---------------------------------
> 1 file changed, 11 insertions(+), 60 deletions(-)
>
> diff --git a/sound/soc/sof/imx/imx8.c b/sound/soc/sof/imx/imx8.c
> index 25e3296a1e5e..52dff369d9cf 100644
> --- a/sound/soc/sof/imx/imx8.c
> +++ b/sound/soc/sof/imx/imx8.c
> @@ -119,28 +119,8 @@ static int imx8_probe(struct snd_sof_dev *sdev)
> }
>
> static struct snd_soc_dai_driver imx8_dai[] = {
> -{
> - .name = "esai0",
> - .playback = {
> - .channels_min = 1,
> - .channels_max = 8,
> - },
> - .capture = {
> - .channels_min = 1,
> - .channels_max = 8,
> - },
> -},
> -{
> - .name = "sai1",
> - .playback = {
> - .channels_min = 1,
> - .channels_max = 32,
> - },
> - .capture = {
> - .channels_min = 1,
> - .channels_max = 32,
> - },
> -},
> + IMX_SOF_DAI_DRV_ENTRY_BIDIR("esai0", 1, 8),
> + IMX_SOF_DAI_DRV_ENTRY_BIDIR("sai1", 1, 32),
> };
>
> static struct snd_sof_dsp_ops sof_imx8_ops;
> @@ -238,47 +218,18 @@ static struct snd_sof_of_mach sof_imx8_machs[] = {
> {}
> };
>
> -static struct sof_dev_desc sof_of_imx8qxp_desc = {
> - .of_machines = sof_imx8_machs,
> - .chip_info = &imx8x_chip_info,
> - .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
> - .ipc_default = SOF_IPC_TYPE_3,
> - .default_fw_path = {
> - [SOF_IPC_TYPE_3] = "imx/sof",
> - },
> - .default_tplg_path = {
> - [SOF_IPC_TYPE_3] = "imx/sof-tplg",
> - },
> - .default_fw_filename = {
> - [SOF_IPC_TYPE_3] = "sof-imx8x.ri",
> - },
> - .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
> - .ops = &sof_imx8_ops,
> - .ops_init = imx8_ops_init,
> -};
> +IMX_SOF_DEV_DESC(imx8, sof_imx8_machs, &imx8_chip_info, &sof_imx8_ops, imx8_ops_init);
> +IMX_SOF_DEV_DESC(imx8x, sof_imx8_machs, &imx8x_chip_info, &sof_imx8_ops, imx8_ops_init);
>
> -static struct sof_dev_desc sof_of_imx8qm_desc = {
> - .of_machines = sof_imx8_machs,
> - .chip_info = &imx8_chip_info,
> - .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
> - .ipc_default = SOF_IPC_TYPE_3,
> - .default_fw_path = {
> - [SOF_IPC_TYPE_3] = "imx/sof",
> - },
> - .default_tplg_path = {
> - [SOF_IPC_TYPE_3] = "imx/sof-tplg",
> +static const struct of_device_id sof_of_imx8_ids[] = {
> + {
> + .compatible = "fsl,imx8qxp-dsp",
> + .data = &IMX_SOF_DEV_DESC_NAME(imx8x),
> },
> - .default_fw_filename = {
> - [SOF_IPC_TYPE_3] = "sof-imx8.ri",
> + {
> + .compatible = "fsl,imx8qm-dsp",
> + .data = &IMX_SOF_DEV_DESC_NAME(imx8),
> },
> - .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
> - .ops = &sof_imx8_ops,
> - .ops_init = imx8_ops_init,
> -};
> -
> -static const struct of_device_id sof_of_imx8_ids[] = {
> - { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
> - { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
> { }
> };
> MODULE_DEVICE_TABLE(of, sof_of_imx8_ids);
> --
> 2.34.1
>