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ASoC: Intel: sof_sdw: add support for Bluetooth offload

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This patch enables BT offload feature on TGL Volteer reference design.

Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210505163705.305616-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yong Zhi 2021-05-05 11:36:59 -05:00 committed by Mark Brown
parent 9c5046e4b3
commit 19f1eace04
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 38 additions and 1 deletions
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32
sound/soc/intel/boards/sof_sdw.c
View File

@ -147,7 +147,9 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
SOF_SDW_PCH_DMIC |
SOF_SDW_FOUR_SPK),
SOF_SDW_FOUR_SPK |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
.callback = sof_sdw_quirk_cb,
@ -977,6 +979,9 @@ static int sof_card_dai_links_create(struct device *dev,
dmic_num = (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num) ? 2 : 0;
comp_num += dmic_num;
if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
comp_num++;
dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d", sdw_be_num, ssp_num,
dmic_num, ctx->idisp_codec ? hdmi_num : 0);
@ -1162,6 +1167,31 @@ HDMI:
INC_ID(be_id, cpu_id, link_id);
}
if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
SOF_BT_OFFLOAD_SSP_SHIFT;
name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
if (!name)
return -ENOMEM;
ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
GFP_KERNEL);
if (!ssp_components)
return -ENOMEM;
ssp_components->name = "snd-soc-dummy";
ssp_components->dai_name = "snd-soc-dummy-dai";
cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port);
if (!cpu_name)
return -ENOMEM;
cpus[cpu_id].dai_name = cpu_name;
init_dai_link(dev, links + link_id, be_id, name, 1, 1,
cpus + cpu_id, 1, ssp_components, 1, NULL, NULL);
}
card->dai_link = links;
card->num_links = num_links;

7
sound/soc/intel/boards/sof_sdw_common.h
View File

@ -50,6 +50,13 @@ enum {
#define SOF_RT715_DAI_ID_FIX BIT(11)
#define SOF_SDW_NO_AGGREGATION BIT(12)
/* BT audio offload: reserve 3 bits for future */
#define SOF_BT_OFFLOAD_SSP_SHIFT 13
#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(15, 13))
#define SOF_BT_OFFLOAD_SSP(quirk) \
(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(16)
struct sof_sdw_codec_info {
const int part_id;
const int version_id;