Unverified Commit 19f1eace authored by Yong Zhi's avatar Yong Zhi Committed by Mark Brown
Browse files

ASoC: Intel: sof_sdw: add support for Bluetooth offload 



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

Reviewed-by: default avatarKai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: default avatarYong Zhi <yong.zhi@intel.com>
Signed-off-by: default avatarPierre-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: default avatarMark Brown <broonie@kernel.org>
parent 9c5046e4

sound/soc/intel/boards/sof_sdw.c

+31 −1
Original line number Diff line number Diff line
@@ -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 @@ static int sof_card_dai_links_create(struct device *dev, 
		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;

sound/soc/intel/boards/sof_sdw_common.h

+7 −0
Original line number Diff line number Diff line
@@ -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;