[alsa-devel] [PATCH 4/4] ASoC: SOF: Intel: initial support for Elkhart Lake

[Pierre-Louis Bossart]

From: Pan Xiuli <xiuli.pan at linux.intel.com>

Add Kconfig, PCI ID and chip info for EHL platform.

Note that the core mask is different from previous platforms, only
Core0 can be controlled by the host. Additional patches will be
required for multi-core functionality.

Signed-off-by: Pan Xiuli <xiuli.pan at linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 sound/soc/sof/intel/Kconfig | 16 ++++++++++++++++
 sound/soc/sof/intel/cnl.c   | 16 ++++++++++++++++
 sound/soc/sof/intel/hda.h   |  1 +
 sound/soc/sof/sof-pci-dev.c | 22 ++++++++++++++++++++++
 4 files changed, 55 insertions(+)

diff --git a/sound/soc/sof/intel/Kconfig b/sound/soc/sof/intel/Kconfig
index 0dc5da661b61..889b6202d054 100644
--- a/sound/soc/sof/intel/Kconfig
+++ b/sound/soc/sof/intel/Kconfig
@@ -28,6 +28,7 @@ config SND_SOC_SOF_INTEL_PCI
 	select SND_SOC_SOF_COMETLAKE_LP if SND_SOC_SOF_COMETLAKE_LP_SUPPORT
 	select SND_SOC_SOF_COMETLAKE_H if SND_SOC_SOF_COMETLAKE_H_SUPPORT
 	select SND_SOC_SOF_TIGERLAKE   if SND_SOC_SOF_TIGERLAKE_SUPPORT
+	select SND_SOC_SOF_ELKHARTLAKE if SND_SOC_SOF_ELKHARTLAKE_SUPPORT
 	help
 	  This option is not user-selectable but automagically handled by
 	  'select' statements at a higher level
@@ -228,6 +229,21 @@ config SND_SOC_SOF_TIGERLAKE
           This option is not user-selectable but automagically handled by
 	  'select' statements at a higher level
 
+config SND_SOC_SOF_ELKHARTLAKE_SUPPORT
+	bool "SOF support for ElkhartLake"
+	help
+          This adds support for Sound Open Firmware for Intel(R) platforms
+          using the ElkhartLake processors.
+          Say Y if you have such a device.
+          If unsure select "N".
+
+config SND_SOC_SOF_ELKHARTLAKE
+	tristate
+	select SND_SOC_SOF_HDA_COMMON
+	help
+          This option is not user-selectable but automagically handled by
+	  'select' statements at a higher level
+
 config SND_SOC_SOF_HDA_COMMON
 	tristate
 	select SND_SOC_SOF_INTEL_COMMON
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index 5de281fcc122..4ddd73762d81 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -311,3 +311,19 @@ const struct sof_intel_dsp_desc tgl_chip_info = {
 	.ssp_base_offset = CNL_SSP_BASE_OFFSET,
 };
 EXPORT_SYMBOL(tgl_chip_info);
+
+const struct sof_intel_dsp_desc ehl_chip_info = {
+	/* Elkhartlake */
+	.cores_num = 4,
+	.init_core_mask = 1,
+	.cores_mask = HDA_DSP_CORE_MASK(0),
+	.ipc_req = CNL_DSP_REG_HIPCIDR,
+	.ipc_req_mask = CNL_DSP_REG_HIPCIDR_BUSY,
+	.ipc_ack = CNL_DSP_REG_HIPCIDA,
+	.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
+	.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+	.rom_init_timeout	= 300,
+	.ssp_count = ICL_SSP_COUNT,
+	.ssp_base_offset = CNL_SSP_BASE_OFFSET,
+};
+EXPORT_SYMBOL(ehl_chip_info);
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index cbb431f7835d..5591841a1b6f 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -600,5 +600,6 @@ extern const struct sof_intel_dsp_desc cnl_chip_info;
 extern const struct sof_intel_dsp_desc skl_chip_info;
 extern const struct sof_intel_dsp_desc icl_chip_info;
 extern const struct sof_intel_dsp_desc tgl_chip_info;
+extern const struct sof_intel_dsp_desc ehl_chip_info;
 
 #endif
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
index 9f92504ad5b4..d66412a77873 100644
--- a/sound/soc/sof/sof-pci-dev.c
+++ b/sound/soc/sof/sof-pci-dev.c
@@ -221,6 +221,24 @@ static const struct sof_dev_desc tgl_desc = {
 };
 #endif
 
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
+static const struct sof_dev_desc ehl_desc = {
+	.machines               = snd_soc_acpi_intel_ehl_machines,
+	.resindex_lpe_base      = 0,
+	.resindex_pcicfg_base   = -1,
+	.resindex_imr_base      = -1,
+	.irqindex_host_ipc      = -1,
+	.resindex_dma_base      = -1,
+	.chip_info = &ehl_chip_info,
+	.default_fw_path = "intel/sof",
+	.default_tplg_path = "intel/sof-tplg",
+	.nocodec_fw_filename = "sof-ehl.ri",
+	.nocodec_tplg_filename = "sof-ehl-nocodec.tplg",
+	.ops = &sof_cnl_ops,
+	.arch_ops = &sof_xtensa_arch_ops
+};
+#endif
+
 static const struct dev_pm_ops sof_pci_pm = {
 	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
 	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
@@ -406,6 +424,10 @@ static const struct pci_device_id sof_pci_ids[] = {
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
 	{ PCI_DEVICE(0x8086, 0xa0c8),
 		.driver_data = (unsigned long)&tgl_desc},
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
+	{ PCI_DEVICE(0x8086, 0x4b55),
+		.driver_data = (unsigned long)&ehl_desc},
 #endif
 	{ 0, }
 };
-- 
2.20.1