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Message-ID: <20241207053607.14806-4-xi.pardee@linux.intel.com>
Date: Fri, 6 Dec 2024 21:35:53 -0800
From: Xi Pardee <xi.pardee@...ux.intel.com>
To: xi.pardee@...ux.intel.com,
rajvi0912@...il.com,
irenic.rajneesh@...il.com,
david.e.box@...ux.intel.com,
hdegoede@...hat.com,
ilpo.jarvinen@...ux.intel.com,
platform-driver-x86@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org
Subject: [PATCH 3/3] platform/x86/intel/pmc: Add Arrow Lake U/H support to intel_pmc_core driver
Add Arrow Lake U and Arrow Lake H support in intel_pmc_core driver.
Signed-off-by: Rajvi Jingar <rajvi.jingar@...ux.intel.com>
Signed-off-by: Xi Pardee <xi.pardee@...ux.intel.com>
---
drivers/platform/x86/intel/pmc/arl.c | 64 +++++++++++++++++++++++----
drivers/platform/x86/intel/pmc/core.c | 2 +
drivers/platform/x86/intel/pmc/core.h | 1 +
3 files changed, 59 insertions(+), 8 deletions(-)
diff --git a/drivers/platform/x86/intel/pmc/arl.c b/drivers/platform/x86/intel/pmc/arl.c
index 05dec4f5019f3..d16e1dea63e7d 100644
--- a/drivers/platform/x86/intel/pmc/arl.c
+++ b/drivers/platform/x86/intel/pmc/arl.c
@@ -16,6 +16,7 @@
#define IOEP_LPM_REQ_GUID 0x5077612
#define SOCS_LPM_REQ_GUID 0x8478657
#define PCHS_LPM_REQ_GUID 0x9684572
+#define SOCM_LPM_REQ_GUID 0x2625030
static const u8 ARL_LPM_REG_INDEX[] = {0, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20};
@@ -650,6 +651,7 @@ const struct pmc_reg_map arl_pchs_reg_map = {
.etr3_offset = ETR3_OFFSET,
};
+#define PMC_DEVID_SOCM 0x777f
#define PMC_DEVID_SOCS 0xae7f
#define PMC_DEVID_IOEP 0x7ecf
#define PMC_DEVID_PCHS 0x7f27
@@ -669,11 +671,17 @@ static struct pmc_info arl_pmc_info_list[] = {
.devid = PMC_DEVID_PCHS,
.map = &arl_pchs_reg_map,
},
+ {
+ .guid = SOCM_LPM_REQ_GUID,
+ .devid = PMC_DEVID_SOCM,
+ .map = &mtl_socm_reg_map,
+ },
{}
};
#define ARL_NPU_PCI_DEV 0xad1d
#define ARL_GNA_PCI_DEV 0xae4c
+#define ARL_H_GNA_PCI_DEV 0x774c
/*
* Set power state of select devices that do not have drivers to D3
* so that they do not block Package C entry.
@@ -684,6 +692,12 @@ static void arl_d3_fixup(void)
pmc_core_set_device_d3(ARL_GNA_PCI_DEV);
}
+static void arl_h_d3_fixup(void)
+{
+ pmc_core_set_device_d3(ARL_NPU_PCI_DEV);
+ pmc_core_set_device_d3(ARL_H_GNA_PCI_DEV);
+}
+
static int arl_resume(struct pmc_dev *pmcdev)
{
arl_d3_fixup();
@@ -691,26 +705,46 @@ static int arl_resume(struct pmc_dev *pmcdev)
return cnl_resume(pmcdev);
}
-int arl_core_init(struct pmc_dev *pmcdev)
+static int arl_h_resume(struct pmc_dev *pmcdev)
+{
+ arl_h_d3_fixup();
+
+ return cnl_resume(pmcdev);
+}
+
+static struct pmc_dev_info arl_pmc_dev = {
+ .func = 0,
+ .map = &arl_socs_reg_map,
+ .suspend = cnl_suspend,
+ .resume = arl_resume,
+};
+
+static struct pmc_dev_info arl_h_pmc_dev = {
+ .func = 2,
+ .map = &mtl_socm_reg_map,
+ .suspend = cnl_suspend,
+ .resume = arl_h_resume,
+};
+
+static int arl_core_generic_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_info)
{
- struct pmc *pmc = pmcdev->pmcs[PMC_IDX_SOC];
int ret;
- int func = 0;
bool ssram_init = true;
+ struct pmc *pmc = pmcdev->pmcs[PMC_IDX_SOC];
+
+ pmcdev->suspend = pmc_dev_info->suspend;
+ pmcdev->resume = pmc_dev_info->resume;
- arl_d3_fixup();
- pmcdev->suspend = cnl_suspend;
- pmcdev->resume = arl_resume;
pmcdev->regmap_list = arl_pmc_info_list;
/*
* If ssram init fails use legacy method to at least get the
* primary PMC
*/
- ret = pmc_core_ssram_init(pmcdev, func);
+ ret = pmc_core_ssram_init(pmcdev, pmc_dev_info->func);
if (ret) {
ssram_init = false;
- pmc->map = &arl_socs_reg_map;
+ pmc->map = pmc_dev_info->map;
ret = get_primary_reg_base(pmc);
if (ret)
@@ -728,3 +762,17 @@ int arl_core_init(struct pmc_dev *pmcdev)
return 0;
}
+
+int arl_h_core_init(struct pmc_dev *pmcdev)
+{
+ arl_h_d3_fixup();
+
+ return arl_core_generic_init(pmcdev, &arl_h_pmc_dev);
+}
+
+int arl_core_init(struct pmc_dev *pmcdev)
+{
+ arl_d3_fixup();
+
+ return arl_core_generic_init(pmcdev, &arl_pmc_dev);
+}
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index 3e7f99ac8c941..fbc43e090e7cc 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -1367,6 +1367,8 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
X86_MATCH_VFM(INTEL_RAPTORLAKE_S, adl_core_init),
X86_MATCH_VFM(INTEL_METEORLAKE_L, mtl_core_init),
X86_MATCH_VFM(INTEL_ARROWLAKE, arl_core_init),
+ X86_MATCH_VFM(INTEL_ARROWLAKE_H, arl_h_core_init),
+ X86_MATCH_VFM(INTEL_ARROWLAKE_U, arl_h_core_init),
X86_MATCH_VFM(INTEL_LUNARLAKE_M, lnl_core_init),
{}
};
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
index 3124315d2b925..76ef2f56d897b 100644
--- a/drivers/platform/x86/intel/pmc/core.h
+++ b/drivers/platform/x86/intel/pmc/core.h
@@ -615,6 +615,7 @@ int tgl_l_core_init(struct pmc_dev *pmcdev);
int adl_core_init(struct pmc_dev *pmcdev);
int mtl_core_init(struct pmc_dev *pmcdev);
int arl_core_init(struct pmc_dev *pmcdev);
+int arl_h_core_init(struct pmc_dev *pmcdev);
int lnl_core_init(struct pmc_dev *pmcdev);
void cnl_suspend(struct pmc_dev *pmcdev);
--
2.43.0
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