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[2620:137:e000::1:20]) by mx.google.com with ESMTP id qa37-20020a17090786a500b00782ece08669si8431165ejc.13.2022.11.14.10.41.00; Mon, 14 Nov 2022 10:41:23 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=V2gMZXBw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236454AbiKNSdl (ORCPT + 88 others); Mon, 14 Nov 2022 13:33:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237045AbiKNSdT (ORCPT ); Mon, 14 Nov 2022 13:33:19 -0500 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21CC82D1E3; Mon, 14 Nov 2022 10:33:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1668450798; x=1699986798; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=xVjcz4DWBl0gWR5mJFGyUXYU5tQNYJxq9Nmk1tr6KZM=; b=V2gMZXBwaR2JTOjUOzrsJ72b70itRAwIZEKpdHetuXgoVXt9S+3GO2Zn bdYEX95CzFWVh97Ue/iy8bvVliFr0U9W2RGOObBRddzpS/8tDjSs8BYYQ HgX/J8vBiUXDuHmIB2bG+CQtqtcBLrwRlB+Wp3jJPnCQ8YJKxTveFz57T YT13mc99P+cCowoB28jVCou9RVMSVLcnC8H9VJkLSgvONFLkxwILc5fAj JzHF21kTr7xzkRD/uzimURrbrWiwmOAUXwDQk8zLBmhnhGJeIs2bZIO29 qHNuDD4IPhhwix3tSASw4bVpAIukrz6abiaLsPoZlmSbqxtZAJZdJbsQd Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10531"; a="313854475" X-IronPort-AV: E=Sophos;i="5.96,164,1665471600"; d="scan'208";a="313854475" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2022 10:33:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10531"; a="669769388" X-IronPort-AV: E=Sophos;i="5.96,164,1665471600"; d="scan'208";a="669769388" Received: from linux.intel.com ([10.54.29.200]) by orsmga008.jf.intel.com with ESMTP; 14 Nov 2022 10:33:17 -0800 Received: from otcpl-manager.jf.intel.com (otcpl-manager.jf.intel.com [10.54.77.21]) by linux.intel.com (Postfix) with ESMTP id 50573580A5F; Mon, 14 Nov 2022 10:33:17 -0800 (PST) From: Gayatri Kammela To: hdegoede@redhat.com Cc: irenic.rajneesh@gmail.com, markgross@kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, sukumar.ghorai@intel.com, xi.pardee@intel.com, rajvi.jingar@intel.com, Gayatri Kammela , David E Box Subject: [PATCH v1 6/8] platform/x86: intel/pmc: Relocate Tiger Lake PCH support Date: Mon, 14 Nov 2022 10:32:55 -0800 Message-Id: <20221114183257.2067662-7-gayatri.kammela@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Create tgl.c for Tiger Lake PCH specific structures and init(). This file supports Tiger Lake, Elkhart Lake, Rocket Lake, Alder Lake mobile, Alder Lake N and Raptor Lake P platforms. There are no functional changes involved. Cc: David E Box Reviewed-by: "David E. Box" Signed-off-by: Gayatri Kammela Signed-off-by: "David E. Box" --- drivers/platform/x86/intel/pmc/Makefile | 2 +- drivers/platform/x86/intel/pmc/core.c | 264 +---------------------- drivers/platform/x86/intel/pmc/core.h | 14 ++ drivers/platform/x86/intel/pmc/tgl.c | 269 ++++++++++++++++++++++++ 4 files changed, 285 insertions(+), 264 deletions(-) create mode 100644 drivers/platform/x86/intel/pmc/tgl.c diff --git a/drivers/platform/x86/intel/pmc/Makefile b/drivers/platform/x86/intel/pmc/Makefile index 6d153e368da1..ad34c8255584 100644 --- a/drivers/platform/x86/intel/pmc/Makefile +++ b/drivers/platform/x86/intel/pmc/Makefile @@ -3,7 +3,7 @@ # Intel x86 Platform-Specific Drivers # -intel_pmc_core-y := core.o spt.o cnp.o icl.o +intel_pmc_core-y := core.o spt.o cnp.o icl.o tgl.o obj-$(CONFIG_INTEL_PMC_CORE) += intel_pmc_core.o intel_pmc_core_pltdrv-y := pltdrv.o obj-$(CONFIG_INTEL_PMC_CORE) += intel_pmc_core_pltdrv.o diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index d75e8cbaf40c..4ff176eabe3f 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -11,7 +11,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#include #include #include #include @@ -21,10 +20,7 @@ #include #include #include -#include -#include -#include #include #include #include @@ -32,9 +28,6 @@ #include "core.h" -#define ACPI_S0IX_DSM_UUID "57a6512e-3979-4e9d-9708-ff13b2508972" -#define ACPI_GET_LOW_MODE_REGISTERS 1 - /* Maximum number of modes supported by platfoms that has low power mode capability */ const char *pmc_lpm_modes[] = { "S0i2.0", @@ -60,245 +53,6 @@ const struct pmc_bit_map msr_map[] = { {} }; -static const struct pmc_bit_map tgl_pfear_map[] = { - {"PSF9", BIT(0)}, - {"RES_66", BIT(1)}, - {"RES_67", BIT(2)}, - {"RES_68", BIT(3)}, - {"RES_69", BIT(4)}, - {"RES_70", BIT(5)}, - {"TBTLSX", BIT(6)}, - {} -}; - -static const struct pmc_bit_map *ext_tgl_pfear_map[] = { - /* - * Check intel_pmc_core_ids[] users of tgl_reg_map for - * a list of core SoCs using this. - */ - cnp_pfear_map, - tgl_pfear_map, - NULL -}; - -static const struct pmc_bit_map tgl_clocksource_status_map[] = { - {"USB2PLL_OFF_STS", BIT(18)}, - {"PCIe/USB3.1_Gen2PLL_OFF_STS", BIT(19)}, - {"PCIe_Gen3PLL_OFF_STS", BIT(20)}, - {"OPIOPLL_OFF_STS", BIT(21)}, - {"OCPLL_OFF_STS", BIT(22)}, - {"MainPLL_OFF_STS", BIT(23)}, - {"MIPIPLL_OFF_STS", BIT(24)}, - {"Fast_XTAL_Osc_OFF_STS", BIT(25)}, - {"AC_Ring_Osc_OFF_STS", BIT(26)}, - {"MC_Ring_Osc_OFF_STS", BIT(27)}, - {"SATAPLL_OFF_STS", BIT(29)}, - {"XTAL_USB2PLL_OFF_STS", BIT(31)}, - {} -}; - -static const struct pmc_bit_map tgl_power_gating_status_map[] = { - {"CSME_PG_STS", BIT(0)}, - {"SATA_PG_STS", BIT(1)}, - {"xHCI_PG_STS", BIT(2)}, - {"UFSX2_PG_STS", BIT(3)}, - {"OTG_PG_STS", BIT(5)}, - {"SPA_PG_STS", BIT(6)}, - {"SPB_PG_STS", BIT(7)}, - {"SPC_PG_STS", BIT(8)}, - {"SPD_PG_STS", BIT(9)}, - {"SPE_PG_STS", BIT(10)}, - {"SPF_PG_STS", BIT(11)}, - {"LSX_PG_STS", BIT(13)}, - {"P2SB_PG_STS", BIT(14)}, - {"PSF_PG_STS", BIT(15)}, - {"SBR_PG_STS", BIT(16)}, - {"OPIDMI_PG_STS", BIT(17)}, - {"THC0_PG_STS", BIT(18)}, - {"THC1_PG_STS", BIT(19)}, - {"GBETSN_PG_STS", BIT(20)}, - {"GBE_PG_STS", BIT(21)}, - {"LPSS_PG_STS", BIT(22)}, - {"MMP_UFSX2_PG_STS", BIT(23)}, - {"MMP_UFSX2B_PG_STS", BIT(24)}, - {"FIA_PG_STS", BIT(25)}, - {} -}; - -static const struct pmc_bit_map tgl_d3_status_map[] = { - {"ADSP_D3_STS", BIT(0)}, - {"SATA_D3_STS", BIT(1)}, - {"xHCI0_D3_STS", BIT(2)}, - {"xDCI1_D3_STS", BIT(5)}, - {"SDX_D3_STS", BIT(6)}, - {"EMMC_D3_STS", BIT(7)}, - {"IS_D3_STS", BIT(8)}, - {"THC0_D3_STS", BIT(9)}, - {"THC1_D3_STS", BIT(10)}, - {"GBE_D3_STS", BIT(11)}, - {"GBE_TSN_D3_STS", BIT(12)}, - {} -}; - -static const struct pmc_bit_map tgl_vnn_req_status_map[] = { - {"GPIO_COM0_VNN_REQ_STS", BIT(1)}, - {"GPIO_COM1_VNN_REQ_STS", BIT(2)}, - {"GPIO_COM2_VNN_REQ_STS", BIT(3)}, - {"GPIO_COM3_VNN_REQ_STS", BIT(4)}, - {"GPIO_COM4_VNN_REQ_STS", BIT(5)}, - {"GPIO_COM5_VNN_REQ_STS", BIT(6)}, - {"Audio_VNN_REQ_STS", BIT(7)}, - {"ISH_VNN_REQ_STS", BIT(8)}, - {"CNVI_VNN_REQ_STS", BIT(9)}, - {"eSPI_VNN_REQ_STS", BIT(10)}, - {"Display_VNN_REQ_STS", BIT(11)}, - {"DTS_VNN_REQ_STS", BIT(12)}, - {"SMBUS_VNN_REQ_STS", BIT(14)}, - {"CSME_VNN_REQ_STS", BIT(15)}, - {"SMLINK0_VNN_REQ_STS", BIT(16)}, - {"SMLINK1_VNN_REQ_STS", BIT(17)}, - {"CLINK_VNN_REQ_STS", BIT(20)}, - {"DCI_VNN_REQ_STS", BIT(21)}, - {"ITH_VNN_REQ_STS", BIT(22)}, - {"CSME_VNN_REQ_STS", BIT(24)}, - {"GBE_VNN_REQ_STS", BIT(25)}, - {} -}; - -static const struct pmc_bit_map tgl_vnn_misc_status_map[] = { - {"CPU_C10_REQ_STS_0", BIT(0)}, - {"PCIe_LPM_En_REQ_STS_3", BIT(3)}, - {"ITH_REQ_STS_5", BIT(5)}, - {"CNVI_REQ_STS_6", BIT(6)}, - {"ISH_REQ_STS_7", BIT(7)}, - {"USB2_SUS_PG_Sys_REQ_STS_10", BIT(10)}, - {"PCIe_Clk_REQ_STS_12", BIT(12)}, - {"MPHY_Core_DL_REQ_STS_16", BIT(16)}, - {"Break-even_En_REQ_STS_17", BIT(17)}, - {"Auto-demo_En_REQ_STS_18", BIT(18)}, - {"MPHY_SUS_REQ_STS_22", BIT(22)}, - {"xDCI_attached_REQ_STS_24", BIT(24)}, - {} -}; - -static const struct pmc_bit_map tgl_signal_status_map[] = { - {"LSX_Wake0_En_STS", BIT(0)}, - {"LSX_Wake0_Pol_STS", BIT(1)}, - {"LSX_Wake1_En_STS", BIT(2)}, - {"LSX_Wake1_Pol_STS", BIT(3)}, - {"LSX_Wake2_En_STS", BIT(4)}, - {"LSX_Wake2_Pol_STS", BIT(5)}, - {"LSX_Wake3_En_STS", BIT(6)}, - {"LSX_Wake3_Pol_STS", BIT(7)}, - {"LSX_Wake4_En_STS", BIT(8)}, - {"LSX_Wake4_Pol_STS", BIT(9)}, - {"LSX_Wake5_En_STS", BIT(10)}, - {"LSX_Wake5_Pol_STS", BIT(11)}, - {"LSX_Wake6_En_STS", BIT(12)}, - {"LSX_Wake6_Pol_STS", BIT(13)}, - {"LSX_Wake7_En_STS", BIT(14)}, - {"LSX_Wake7_Pol_STS", BIT(15)}, - {"Intel_Se_IO_Wake0_En_STS", BIT(16)}, - {"Intel_Se_IO_Wake0_Pol_STS", BIT(17)}, - {"Intel_Se_IO_Wake1_En_STS", BIT(18)}, - {"Intel_Se_IO_Wake1_Pol_STS", BIT(19)}, - {"Int_Timer_SS_Wake0_En_STS", BIT(20)}, - {"Int_Timer_SS_Wake0_Pol_STS", BIT(21)}, - {"Int_Timer_SS_Wake1_En_STS", BIT(22)}, - {"Int_Timer_SS_Wake1_Pol_STS", BIT(23)}, - {"Int_Timer_SS_Wake2_En_STS", BIT(24)}, - {"Int_Timer_SS_Wake2_Pol_STS", BIT(25)}, - {"Int_Timer_SS_Wake3_En_STS", BIT(26)}, - {"Int_Timer_SS_Wake3_Pol_STS", BIT(27)}, - {"Int_Timer_SS_Wake4_En_STS", BIT(28)}, - {"Int_Timer_SS_Wake4_Pol_STS", BIT(29)}, - {"Int_Timer_SS_Wake5_En_STS", BIT(30)}, - {"Int_Timer_SS_Wake5_Pol_STS", BIT(31)}, - {} -}; - -static const struct pmc_bit_map *tgl_lpm_maps[] = { - tgl_clocksource_status_map, - tgl_power_gating_status_map, - tgl_d3_status_map, - tgl_vnn_req_status_map, - tgl_vnn_misc_status_map, - tgl_signal_status_map, - NULL -}; - -static const struct pmc_reg_map tgl_reg_map = { - .pfear_sts = ext_tgl_pfear_map, - .slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET, - .slp_s0_res_counter_step = TGL_PMC_SLP_S0_RES_COUNTER_STEP, - .ltr_show_sts = cnp_ltr_show_map, - .msr_sts = msr_map, - .ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET, - .regmap_length = CNP_PMC_MMIO_REG_LEN, - .ppfear0_offset = CNP_PMC_HOST_PPFEAR0A, - .ppfear_buckets = ICL_PPFEAR_NUM_ENTRIES, - .pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET, - .pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT, - .ltr_ignore_max = TGL_NUM_IP_IGN_ALLOWED, - .lpm_num_maps = TGL_LPM_NUM_MAPS, - .lpm_res_counter_step_x2 = TGL_PMC_LPM_RES_COUNTER_STEP_X2, - .lpm_sts_latch_en_offset = TGL_LPM_STS_LATCH_EN_OFFSET, - .lpm_en_offset = TGL_LPM_EN_OFFSET, - .lpm_priority_offset = TGL_LPM_PRI_OFFSET, - .lpm_residency_offset = TGL_LPM_RESIDENCY_OFFSET, - .lpm_sts = tgl_lpm_maps, - .lpm_status_offset = TGL_LPM_STATUS_OFFSET, - .lpm_live_status_offset = TGL_LPM_LIVE_STATUS_OFFSET, - .etr3_offset = ETR3_OFFSET, -}; - -static void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev) -{ - struct pmc_dev *pmcdev = platform_get_drvdata(pdev); - const int num_maps = pmcdev->map->lpm_num_maps; - u32 lpm_size = LPM_MAX_NUM_MODES * num_maps * 4; - union acpi_object *out_obj; - struct acpi_device *adev; - guid_t s0ix_dsm_guid; - u32 *lpm_req_regs, *addr; - - adev = ACPI_COMPANION(&pdev->dev); - if (!adev) - return; - - guid_parse(ACPI_S0IX_DSM_UUID, &s0ix_dsm_guid); - - out_obj = acpi_evaluate_dsm(adev->handle, &s0ix_dsm_guid, 0, - ACPI_GET_LOW_MODE_REGISTERS, NULL); - if (out_obj && out_obj->type == ACPI_TYPE_BUFFER) { - u32 size = out_obj->buffer.length; - - if (size != lpm_size) { - acpi_handle_debug(adev->handle, - "_DSM returned unexpected buffer size, have %u, expect %u\n", - size, lpm_size); - goto free_acpi_obj; - } - } else { - acpi_handle_debug(adev->handle, - "_DSM function 0 evaluation failed\n"); - goto free_acpi_obj; - } - - addr = (u32 *)out_obj->buffer.pointer; - - lpm_req_regs = devm_kzalloc(&pdev->dev, lpm_size * sizeof(u32), - GFP_KERNEL); - if (!lpm_req_regs) - goto free_acpi_obj; - - memcpy(lpm_req_regs, addr, lpm_size); - pmcdev->lpm_req_regs = lpm_req_regs; - -free_acpi_obj: - ACPI_FREE(out_obj); -} - /* Alder Lake: PGD PFET Enable Ack Status Register(s) bitmap */ static const struct pmc_bit_map adl_pfear_map[] = { {"SPI/eSPI", BIT(2)}, @@ -981,7 +735,7 @@ static int pmc_core_pll_show(struct seq_file *s, void *unused) } DEFINE_SHOW_ATTRIBUTE(pmc_core_pll); -static int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value) +int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value) { const struct pmc_reg_map *map = pmcdev->map; u32 reg; @@ -1549,22 +1303,6 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev) } } -void tgl_core_configure(struct pmc_dev *pmcdev) -{ - pmc_core_get_tgl_lpm_reqs(pmcdev->pdev); - /* Due to a hardware limitation, the GBE LTR blocks PC10 - * when a cable is attached. Tell the PMC to ignore it. - */ - dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); - pmc_core_send_ltr_ignore(pmcdev, 3); -} - -void tgl_core_init(struct pmc_dev *pmcdev) -{ - pmcdev->map = &tgl_reg_map; - pmcdev->core_configure = tgl_core_configure; -} - void adl_core_configure(struct pmc_dev *pmcdev) { /* Due to a hardware limitation, the GBE LTR blocks PC10 diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h index 2ca564878341..38fca2a54d23 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -12,6 +12,7 @@ #ifndef PMC_CORE_H #define PMC_CORE_H +#include #include #include @@ -354,6 +355,19 @@ extern const struct pmc_reg_map cnp_reg_map; extern const struct pmc_bit_map icl_pfear_map[]; extern const struct pmc_bit_map *ext_icl_pfear_map[]; extern const struct pmc_reg_map icl_reg_map; +extern const struct pmc_bit_map tgl_pfear_map[]; +extern const struct pmc_bit_map *ext_tgl_pfear_map[]; +extern const struct pmc_bit_map tgl_clocksource_status_map[]; +extern const struct pmc_bit_map tgl_power_gating_status_map[]; +extern const struct pmc_bit_map tgl_d3_status_map[]; +extern const struct pmc_bit_map tgl_vnn_req_status_map[]; +extern const struct pmc_bit_map tgl_vnn_misc_status_map[]; +extern const struct pmc_bit_map tgl_signal_status_map[]; +extern const struct pmc_bit_map *tgl_lpm_maps[]; +extern const struct pmc_reg_map tgl_reg_map; + +extern void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev); +extern int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value); void spt_core_init(struct pmc_dev *pmcdev); void cnp_core_init(struct pmc_dev *pmcdev); diff --git a/drivers/platform/x86/intel/pmc/tgl.c b/drivers/platform/x86/intel/pmc/tgl.c new file mode 100644 index 000000000000..e3e50538465d --- /dev/null +++ b/drivers/platform/x86/intel/pmc/tgl.c @@ -0,0 +1,269 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This file contains platform specific structure definitions + * and init function used by Tiger Lake PCH. + * + * Copyright (c) 2022, Intel Corporation. + * All Rights Reserved. + * + */ + +#include "core.h" + +#define ACPI_S0IX_DSM_UUID "57a6512e-3979-4e9d-9708-ff13b2508972" +#define ACPI_GET_LOW_MODE_REGISTERS 1 + +const struct pmc_bit_map tgl_pfear_map[] = { + {"PSF9", BIT(0)}, + {"RES_66", BIT(1)}, + {"RES_67", BIT(2)}, + {"RES_68", BIT(3)}, + {"RES_69", BIT(4)}, + {"RES_70", BIT(5)}, + {"TBTLSX", BIT(6)}, + {} +}; + +const struct pmc_bit_map *ext_tgl_pfear_map[] = { + /* + * Check intel_pmc_core_ids[] users of tgl_reg_map for + * a list of core SoCs using this. + */ + cnp_pfear_map, + tgl_pfear_map, + NULL +}; + +const struct pmc_bit_map tgl_clocksource_status_map[] = { + {"USB2PLL_OFF_STS", BIT(18)}, + {"PCIe/USB3.1_Gen2PLL_OFF_STS", BIT(19)}, + {"PCIe_Gen3PLL_OFF_STS", BIT(20)}, + {"OPIOPLL_OFF_STS", BIT(21)}, + {"OCPLL_OFF_STS", BIT(22)}, + {"MainPLL_OFF_STS", BIT(23)}, + {"MIPIPLL_OFF_STS", BIT(24)}, + {"Fast_XTAL_Osc_OFF_STS", BIT(25)}, + {"AC_Ring_Osc_OFF_STS", BIT(26)}, + {"MC_Ring_Osc_OFF_STS", BIT(27)}, + {"SATAPLL_OFF_STS", BIT(29)}, + {"XTAL_USB2PLL_OFF_STS", BIT(31)}, + {} +}; + +const struct pmc_bit_map tgl_power_gating_status_map[] = { + {"CSME_PG_STS", BIT(0)}, + {"SATA_PG_STS", BIT(1)}, + {"xHCI_PG_STS", BIT(2)}, + {"UFSX2_PG_STS", BIT(3)}, + {"OTG_PG_STS", BIT(5)}, + {"SPA_PG_STS", BIT(6)}, + {"SPB_PG_STS", BIT(7)}, + {"SPC_PG_STS", BIT(8)}, + {"SPD_PG_STS", BIT(9)}, + {"SPE_PG_STS", BIT(10)}, + {"SPF_PG_STS", BIT(11)}, + {"LSX_PG_STS", BIT(13)}, + {"P2SB_PG_STS", BIT(14)}, + {"PSF_PG_STS", BIT(15)}, + {"SBR_PG_STS", BIT(16)}, + {"OPIDMI_PG_STS", BIT(17)}, + {"THC0_PG_STS", BIT(18)}, + {"THC1_PG_STS", BIT(19)}, + {"GBETSN_PG_STS", BIT(20)}, + {"GBE_PG_STS", BIT(21)}, + {"LPSS_PG_STS", BIT(22)}, + {"MMP_UFSX2_PG_STS", BIT(23)}, + {"MMP_UFSX2B_PG_STS", BIT(24)}, + {"FIA_PG_STS", BIT(25)}, + {} +}; + +const struct pmc_bit_map tgl_d3_status_map[] = { + {"ADSP_D3_STS", BIT(0)}, + {"SATA_D3_STS", BIT(1)}, + {"xHCI0_D3_STS", BIT(2)}, + {"xDCI1_D3_STS", BIT(5)}, + {"SDX_D3_STS", BIT(6)}, + {"EMMC_D3_STS", BIT(7)}, + {"IS_D3_STS", BIT(8)}, + {"THC0_D3_STS", BIT(9)}, + {"THC1_D3_STS", BIT(10)}, + {"GBE_D3_STS", BIT(11)}, + {"GBE_TSN_D3_STS", BIT(12)}, + {} +}; + +const struct pmc_bit_map tgl_vnn_req_status_map[] = { + {"GPIO_COM0_VNN_REQ_STS", BIT(1)}, + {"GPIO_COM1_VNN_REQ_STS", BIT(2)}, + {"GPIO_COM2_VNN_REQ_STS", BIT(3)}, + {"GPIO_COM3_VNN_REQ_STS", BIT(4)}, + {"GPIO_COM4_VNN_REQ_STS", BIT(5)}, + {"GPIO_COM5_VNN_REQ_STS", BIT(6)}, + {"Audio_VNN_REQ_STS", BIT(7)}, + {"ISH_VNN_REQ_STS", BIT(8)}, + {"CNVI_VNN_REQ_STS", BIT(9)}, + {"eSPI_VNN_REQ_STS", BIT(10)}, + {"Display_VNN_REQ_STS", BIT(11)}, + {"DTS_VNN_REQ_STS", BIT(12)}, + {"SMBUS_VNN_REQ_STS", BIT(14)}, + {"CSME_VNN_REQ_STS", BIT(15)}, + {"SMLINK0_VNN_REQ_STS", BIT(16)}, + {"SMLINK1_VNN_REQ_STS", BIT(17)}, + {"CLINK_VNN_REQ_STS", BIT(20)}, + {"DCI_VNN_REQ_STS", BIT(21)}, + {"ITH_VNN_REQ_STS", BIT(22)}, + {"CSME_VNN_REQ_STS", BIT(24)}, + {"GBE_VNN_REQ_STS", BIT(25)}, + {} +}; + +const struct pmc_bit_map tgl_vnn_misc_status_map[] = { + {"CPU_C10_REQ_STS_0", BIT(0)}, + {"PCIe_LPM_En_REQ_STS_3", BIT(3)}, + {"ITH_REQ_STS_5", BIT(5)}, + {"CNVI_REQ_STS_6", BIT(6)}, + {"ISH_REQ_STS_7", BIT(7)}, + {"USB2_SUS_PG_Sys_REQ_STS_10", BIT(10)}, + {"PCIe_Clk_REQ_STS_12", BIT(12)}, + {"MPHY_Core_DL_REQ_STS_16", BIT(16)}, + {"Break-even_En_REQ_STS_17", BIT(17)}, + {"Auto-demo_En_REQ_STS_18", BIT(18)}, + {"MPHY_SUS_REQ_STS_22", BIT(22)}, + {"xDCI_attached_REQ_STS_24", BIT(24)}, + {} +}; + +const struct pmc_bit_map tgl_signal_status_map[] = { + {"LSX_Wake0_En_STS", BIT(0)}, + {"LSX_Wake0_Pol_STS", BIT(1)}, + {"LSX_Wake1_En_STS", BIT(2)}, + {"LSX_Wake1_Pol_STS", BIT(3)}, + {"LSX_Wake2_En_STS", BIT(4)}, + {"LSX_Wake2_Pol_STS", BIT(5)}, + {"LSX_Wake3_En_STS", BIT(6)}, + {"LSX_Wake3_Pol_STS", BIT(7)}, + {"LSX_Wake4_En_STS", BIT(8)}, + {"LSX_Wake4_Pol_STS", BIT(9)}, + {"LSX_Wake5_En_STS", BIT(10)}, + {"LSX_Wake5_Pol_STS", BIT(11)}, + {"LSX_Wake6_En_STS", BIT(12)}, + {"LSX_Wake6_Pol_STS", BIT(13)}, + {"LSX_Wake7_En_STS", BIT(14)}, + {"LSX_Wake7_Pol_STS", BIT(15)}, + {"Intel_Se_IO_Wake0_En_STS", BIT(16)}, + {"Intel_Se_IO_Wake0_Pol_STS", BIT(17)}, + {"Intel_Se_IO_Wake1_En_STS", BIT(18)}, + {"Intel_Se_IO_Wake1_Pol_STS", BIT(19)}, + {"Int_Timer_SS_Wake0_En_STS", BIT(20)}, + {"Int_Timer_SS_Wake0_Pol_STS", BIT(21)}, + {"Int_Timer_SS_Wake1_En_STS", BIT(22)}, + {"Int_Timer_SS_Wake1_Pol_STS", BIT(23)}, + {"Int_Timer_SS_Wake2_En_STS", BIT(24)}, + {"Int_Timer_SS_Wake2_Pol_STS", BIT(25)}, + {"Int_Timer_SS_Wake3_En_STS", BIT(26)}, + {"Int_Timer_SS_Wake3_Pol_STS", BIT(27)}, + {"Int_Timer_SS_Wake4_En_STS", BIT(28)}, + {"Int_Timer_SS_Wake4_Pol_STS", BIT(29)}, + {"Int_Timer_SS_Wake5_En_STS", BIT(30)}, + {"Int_Timer_SS_Wake5_Pol_STS", BIT(31)}, + {} +}; + +const struct pmc_bit_map *tgl_lpm_maps[] = { + tgl_clocksource_status_map, + tgl_power_gating_status_map, + tgl_d3_status_map, + tgl_vnn_req_status_map, + tgl_vnn_misc_status_map, + tgl_signal_status_map, + NULL +}; + +const struct pmc_reg_map tgl_reg_map = { + .pfear_sts = ext_tgl_pfear_map, + .slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET, + .slp_s0_res_counter_step = TGL_PMC_SLP_S0_RES_COUNTER_STEP, + .ltr_show_sts = cnp_ltr_show_map, + .msr_sts = msr_map, + .ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET, + .regmap_length = CNP_PMC_MMIO_REG_LEN, + .ppfear0_offset = CNP_PMC_HOST_PPFEAR0A, + .ppfear_buckets = ICL_PPFEAR_NUM_ENTRIES, + .pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET, + .pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT, + .ltr_ignore_max = TGL_NUM_IP_IGN_ALLOWED, + .lpm_num_maps = TGL_LPM_NUM_MAPS, + .lpm_res_counter_step_x2 = TGL_PMC_LPM_RES_COUNTER_STEP_X2, + .lpm_sts_latch_en_offset = TGL_LPM_STS_LATCH_EN_OFFSET, + .lpm_en_offset = TGL_LPM_EN_OFFSET, + .lpm_priority_offset = TGL_LPM_PRI_OFFSET, + .lpm_residency_offset = TGL_LPM_RESIDENCY_OFFSET, + .lpm_sts = tgl_lpm_maps, + .lpm_status_offset = TGL_LPM_STATUS_OFFSET, + .lpm_live_status_offset = TGL_LPM_LIVE_STATUS_OFFSET, + .etr3_offset = ETR3_OFFSET, +}; + +void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev) +{ + struct pmc_dev *pmcdev = platform_get_drvdata(pdev); + const int num_maps = pmcdev->map->lpm_num_maps; + u32 lpm_size = LPM_MAX_NUM_MODES * num_maps * 4; + union acpi_object *out_obj; + struct acpi_device *adev; + guid_t s0ix_dsm_guid; + u32 *lpm_req_regs, *addr; + + adev = ACPI_COMPANION(&pdev->dev); + if (!adev) + return; + + guid_parse(ACPI_S0IX_DSM_UUID, &s0ix_dsm_guid); + + out_obj = acpi_evaluate_dsm(adev->handle, &s0ix_dsm_guid, 0, + ACPI_GET_LOW_MODE_REGISTERS, NULL); + if (out_obj && out_obj->type == ACPI_TYPE_BUFFER) { + u32 size = out_obj->buffer.length; + + if (size != lpm_size) { + acpi_handle_debug(adev->handle, + "_DSM returned unexpected buffer size, have %u, expect %u\n", + size, lpm_size); + goto free_acpi_obj; + } + } else { + acpi_handle_debug(adev->handle, + "_DSM function 0 evaluation failed\n"); + goto free_acpi_obj; + } + + addr = (u32 *)out_obj->buffer.pointer; + + lpm_req_regs = devm_kzalloc(&pdev->dev, lpm_size * sizeof(u32), + GFP_KERNEL); + if (!lpm_req_regs) + goto free_acpi_obj; + + memcpy(lpm_req_regs, addr, lpm_size); + pmcdev->lpm_req_regs = lpm_req_regs; + +free_acpi_obj: + ACPI_FREE(out_obj); +} + +void tgl_core_configure(struct pmc_dev *pmcdev) +{ + pmc_core_get_tgl_lpm_reqs(pmcdev->pdev); + /* Due to a hardware limitation, the GBE LTR blocks PC10 + * when a cable is attached. Tell the PMC to ignore it. + */ + dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); + pmc_core_send_ltr_ignore(pmcdev, 3); +} + +void tgl_core_init(struct pmc_dev *pmcdev) +{ + pmcdev->map = &tgl_reg_map; + pmcdev->core_configure = tgl_core_configure; +} -- 2.34.1