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Date: Wed, 21 Feb 2024 10:35:21 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
Liam Girdwood <lgirdwood@...il.com>,
Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
Bard Liao <yung-chuan.liao@...ux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Daniel Baluta <daniel.baluta@....com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>, Mark Brown
<broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Venkata Prasad Potturu <venkataprasad.potturu@....com>
Cc: sound-open-firmware@...a-project.org, linux-sound@...r.kernel.org,
linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCH v3 1/2] ASoC: SOF: amd: Move signed_fw_image to struct
acp_quirk_entry
Il 20/02/24 21:16, Cristian Ciocaltea ha scritto:
> The signed_fw_image member of struct sof_amd_acp_desc is used to enable
> signed firmware support in the driver via the acp_sof_quirk_table.
>
> In preparation to support additional use cases of the quirk table (i.e.
> adding new flags), move signed_fw_image to a new struct acp_quirk_entry
> and update all references to it accordingly.
>
> No functional changes intended.
>
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> ---
> sound/soc/sof/amd/acp-loader.c | 2 +-
> sound/soc/sof/amd/acp.c | 47 ++++++++++++++++++----------------
> sound/soc/sof/amd/acp.h | 6 ++++-
> sound/soc/sof/amd/vangogh.c | 9 +++++--
> 4 files changed, 38 insertions(+), 26 deletions(-)
>
> diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
> index d2d21478399e..aad904839b81 100644
> --- a/sound/soc/sof/amd/acp-loader.c
> +++ b/sound/soc/sof/amd/acp-loader.c
> @@ -173,7 +173,7 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev)
>
> adata = sdev->pdata->hw_pdata;
>
> - if (adata->signed_fw_image)
> + if (adata->quirks && adata->quirks->signed_fw_image)
> size_fw = adata->fw_bin_size - ACP_FIRMWARE_SIGNATURE;
> else
> size_fw = adata->fw_bin_size;
> diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
> index 9b3c26210db3..9d9197fa83ed 100644
> --- a/sound/soc/sof/amd/acp.c
> +++ b/sound/soc/sof/amd/acp.c
> @@ -20,12 +20,14 @@
> #include "acp.h"
> #include "acp-dsp-offset.h"
>
> -#define SECURED_FIRMWARE 1
> -
> static bool enable_fw_debug;
> module_param(enable_fw_debug, bool, 0444);
> MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug");
>
> +static struct acp_quirk_entry quirk_valve_galileo = {
> + .signed_fw_image = true,
Hello Cristian,
are you sure that a structure holding "quirks" is the right choice here?
That probably comes as a personal preference, but I would simply pass a `u32 flags`
and structure the quirks as bits.
#define ACP_SIGNED_FW_IMAGE BIT(0)
#define ACP_SOMETHING_ELSE BIT(1)
flags = BIT(SIGNED_FW_IMAGE) | BIT(SOMETHING_ELSE);
if (flags & BIT(SIGNED_FW_IMAGE))
do_something()
What do you think?
Cheers,
Angelo
> +};
> +
> const struct dmi_system_id acp_sof_quirk_table[] = {
> {
> /* Steam Deck OLED device */
> @@ -33,7 +35,7 @@ const struct dmi_system_id acp_sof_quirk_table[] = {
> DMI_MATCH(DMI_SYS_VENDOR, "Valve"),
> DMI_MATCH(DMI_PRODUCT_NAME, "Galileo"),
> },
> - .driver_data = (void *)SECURED_FIRMWARE,
> + .driver_data = &quirk_valve_galileo,
> },
> {}
> };
> @@ -254,7 +256,7 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
> }
> }
>
> - if (adata->signed_fw_image)
> + if (adata->quirks && adata->quirks->signed_fw_image)
> snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_INCLUDE_HDR, ACP_SHA_HEADER);
>
> snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_STRT_ADDR, start_addr);
> @@ -738,26 +740,27 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
> sdev->debug_box.offset = sdev->host_box.offset + sdev->host_box.size;
> sdev->debug_box.size = BOX_SIZE_1024;
>
> - adata->signed_fw_image = false;
> dmi_id = dmi_first_match(acp_sof_quirk_table);
> - if (dmi_id && dmi_id->driver_data) {
> - adata->fw_code_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
> - "sof-%s-code.bin",
> - chip->name);
> - if (!adata->fw_code_bin) {
> - ret = -ENOMEM;
> - goto free_ipc_irq;
> + if (dmi_id) {
> + adata->quirks = dmi_id->driver_data;
> +
> + if (adata->quirks->signed_fw_image) {
> + adata->fw_code_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
> + "sof-%s-code.bin",
> + chip->name);
> + if (!adata->fw_code_bin) {
> + ret = -ENOMEM;
> + goto free_ipc_irq;
> + }
> +
> + adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
> + "sof-%s-data.bin",
> + chip->name);
> + if (!adata->fw_data_bin) {
> + ret = -ENOMEM;
> + goto free_ipc_irq;
> + }
> }
> -
> - adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
> - "sof-%s-data.bin",
> - chip->name);
> - if (!adata->fw_data_bin) {
> - ret = -ENOMEM;
> - goto free_ipc_irq;
> - }
> -
> - adata->signed_fw_image = dmi_id->driver_data;
> }
>
> adata->enable_fw_debug = enable_fw_debug;
> diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
> index 947068da39b5..b648ed194b9f 100644
> --- a/sound/soc/sof/amd/acp.h
> +++ b/sound/soc/sof/amd/acp.h
> @@ -207,6 +207,10 @@ struct sof_amd_acp_desc {
> u64 sdw_acpi_dev_addr;
> };
>
> +struct acp_quirk_entry {
> + bool signed_fw_image;
> +};
> +
> /* Common device data struct for ACP devices */
> struct acp_dev_data {
> struct snd_sof_dev *dev;
> @@ -236,7 +240,7 @@ struct acp_dev_data {
> u8 *data_buf;
> dma_addr_t sram_dma_addr;
> u8 *sram_data_buf;
> - bool signed_fw_image;
> + struct acp_quirk_entry *quirks;
> struct dma_descriptor dscr_info[ACP_MAX_DESC];
> struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
> struct acp_dsp_stream *dtrace_stream;
> diff --git a/sound/soc/sof/amd/vangogh.c b/sound/soc/sof/amd/vangogh.c
> index de15d21aa6d9..bc6ffdb5471a 100644
> --- a/sound/soc/sof/amd/vangogh.c
> +++ b/sound/soc/sof/amd/vangogh.c
> @@ -143,6 +143,7 @@ EXPORT_SYMBOL_NS(sof_vangogh_ops, SND_SOC_SOF_AMD_COMMON);
> int sof_vangogh_ops_init(struct snd_sof_dev *sdev)
> {
> const struct dmi_system_id *dmi_id;
> + struct acp_quirk_entry *quirks;
>
> /* common defaults */
> memcpy(&sof_vangogh_ops, &sof_acp_common_ops, sizeof(struct snd_sof_dsp_ops));
> @@ -151,8 +152,12 @@ int sof_vangogh_ops_init(struct snd_sof_dev *sdev)
> sof_vangogh_ops.num_drv = ARRAY_SIZE(vangogh_sof_dai);
>
> dmi_id = dmi_first_match(acp_sof_quirk_table);
> - if (dmi_id && dmi_id->driver_data)
> - sof_vangogh_ops.load_firmware = acp_sof_load_signed_firmware;
> + if (dmi_id) {
> + quirks = dmi_id->driver_data;
> +
> + if (quirks->signed_fw_image)
> + sof_vangogh_ops.load_firmware = acp_sof_load_signed_firmware;
> + }
>
> return 0;
> }
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