mirror_ubuntu-kernels/drivers/platform/x86/intel/pmc/lnl.c

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2024-07-02 00:48:40 +03:00
// SPDX-License-Identifier: GPL-2.0
/*
* This file contains platform specific structure definitions
* and init function used by Meteor Lake PCH.
*
* Copyright (c) 2022, Intel Corporation.
* All Rights Reserved.
*
*/
#include <linux/cpu.h>
#include <linux/pci.h>
#include "core.h"
const struct pmc_bit_map lnl_ltr_show_map[] = {
{"SOUTHPORT_A", CNP_PMC_LTR_SPA},
{"SOUTHPORT_B", CNP_PMC_LTR_SPB},
{"SATA", CNP_PMC_LTR_SATA},
{"GIGABIT_ETHERNET", CNP_PMC_LTR_GBE},
{"XHCI", CNP_PMC_LTR_XHCI},
{"SOUTHPORT_F", ADL_PMC_LTR_SPF},
{"ME", CNP_PMC_LTR_ME},
/* EVA is Enterprise Value Add, doesn't really exist on PCH */
{"SATA1", CNP_PMC_LTR_EVA},
{"SOUTHPORT_C", CNP_PMC_LTR_SPC},
{"HD_AUDIO", CNP_PMC_LTR_AZ},
{"CNV", CNP_PMC_LTR_CNV},
{"LPSS", CNP_PMC_LTR_LPSS},
{"SOUTHPORT_D", CNP_PMC_LTR_SPD},
{"SOUTHPORT_E", CNP_PMC_LTR_SPE},
{"SATA2", CNP_PMC_LTR_CAM},
{"ESPI", CNP_PMC_LTR_ESPI},
{"SCC", CNP_PMC_LTR_SCC},
{"ISH", CNP_PMC_LTR_ISH},
{"UFSX2", CNP_PMC_LTR_UFSX2},
{"EMMC", CNP_PMC_LTR_EMMC},
/*
* Check intel_pmc_core_ids[] users of cnp_reg_map for
* a list of core SoCs using this.
*/
{"WIGIG", ICL_PMC_LTR_WIGIG},
{"THC0", TGL_PMC_LTR_THC0},
{"THC1", TGL_PMC_LTR_THC1},
{"SOUTHPORT_G", CNP_PMC_LTR_RESERVED},
{"ESE", MTL_PMC_LTR_ESE},
{"IOE_PMC", MTL_PMC_LTR_IOE_PMC},
{"DMI3", ARL_PMC_LTR_DMI3},
{"OSSE", LNL_PMC_LTR_OSSE},
/* Below two cannot be used for LTR_IGNORE */
{"CURRENT_PLATFORM", CNP_PMC_LTR_CUR_PLT},
{"AGGREGATED_SYSTEM", CNP_PMC_LTR_CUR_ASLT},
{}
};
const struct pmc_bit_map lnl_power_gating_status_0_map[] = {
{"PMC_PGD0_PG_STS", BIT(0)},
{"FUSE_OSSE_PGD0_PG_STS", BIT(1)},
{"ESPISPI_PGD0_PG_STS", BIT(2)},
{"XHCI_PGD0_PG_STS", BIT(3)},
{"SPA_PGD0_PG_STS", BIT(4)},
{"SPB_PGD0_PG_STS", BIT(5)},
{"SPR16B0_PGD0_PG_STS", BIT(6)},
{"GBE_PGD0_PG_STS", BIT(7)},
{"SBR8B7_PGD0_PG_STS", BIT(8)},
{"SBR8B6_PGD0_PG_STS", BIT(9)},
{"SBR16B1_PGD0_PG_STS", BIT(10)},
{"SBR8B8_PGD0_PG_STS", BIT(11)},
{"ESE_PGD3_PG_STS", BIT(12)},
{"D2D_DISP_PGD0_PG_STS", BIT(13)},
{"LPSS_PGD0_PG_STS", BIT(14)},
{"LPC_PGD0_PG_STS", BIT(15)},
{"SMB_PGD0_PG_STS", BIT(16)},
{"ISH_PGD0_PG_STS", BIT(17)},
{"SBR8B2_PGD0_PG_STS", BIT(18)},
{"NPK_PGD0_PG_STS", BIT(19)},
{"D2D_NOC_PGD0_PG_STS", BIT(20)},
{"SAFSS_PGD0_PG_STS", BIT(21)},
{"FUSE_PGD0_PG_STS", BIT(22)},
{"D2D_DISP_PGD1_PG_STS", BIT(23)},
{"MPFPW1_PGD0_PG_STS", BIT(24)},
{"XDCI_PGD0_PG_STS", BIT(25)},
{"EXI_PGD0_PG_STS", BIT(26)},
{"CSE_PGD0_PG_STS", BIT(27)},
{"KVMCC_PGD0_PG_STS", BIT(28)},
{"PMT_PGD0_PG_STS", BIT(29)},
{"CLINK_PGD0_PG_STS", BIT(30)},
{"PTIO_PGD0_PG_STS", BIT(31)},
{}
};
const struct pmc_bit_map lnl_power_gating_status_1_map[] = {
{"USBR0_PGD0_PG_STS", BIT(0)},
{"SUSRAM_PGD0_PG_STS", BIT(1)},
{"SMT1_PGD0_PG_STS", BIT(2)},
{"U3FPW1_PGD0_PG_STS", BIT(3)},
{"SMS2_PGD0_PG_STS", BIT(4)},
{"SMS1_PGD0_PG_STS", BIT(5)},
{"CSMERTC_PGD0_PG_STS", BIT(6)},
{"CSMEPSF_PGD0_PG_STS", BIT(7)},
{"FIA_PG_PGD0_PG_STS", BIT(8)},
{"SBR16B4_PGD0_PG_STS", BIT(9)},
{"P2SB8B_PGD0_PG_STS", BIT(10)},
{"DBG_SBR_PGD0_PG_STS", BIT(11)},
{"SBR8B9_PGD0_PG_STS", BIT(12)},
{"OSSE_SMT1_PGD0_PG_STS", BIT(13)},
{"SBR8B10_PGD0_PG_STS", BIT(14)},
{"SBR16B3_PGD0_PG_STS", BIT(15)},
{"G5FPW1_PGD0_PG_STS", BIT(16)},
{"SBRG_PGD0_PG_STS", BIT(17)},
{"PSF4_PGD0_PG_STS", BIT(18)},
{"CNVI_PGD0_PG_STS", BIT(19)},
{"USFX2_PGD0_PG_STS", BIT(20)},
{"ENDBG_PGD0_PG_STS", BIT(21)},
{"FIACPCB_P5X4_PGD0_PG_STS", BIT(22)},
{"SBR8B3_PGD0_PG_STS", BIT(23)},
{"SBR8B0_PGD0_PG_STS", BIT(24)},
{"NPK_PGD1_PG_STS", BIT(25)},
{"OSSE_HOTHAM_PGD0_PG_STS", BIT(26)},
{"D2D_NOC_PGD2_PG_STS", BIT(27)},
{"SBR8B1_PGD0_PG_STS", BIT(28)},
{"PSF6_PGD0_PG_STS", BIT(29)},
{"PSF7_PGD0_PG_STS", BIT(30)},
{"FIA_U_PGD0_PG_STS", BIT(31)},
{}
};
const struct pmc_bit_map lnl_power_gating_status_2_map[] = {
{"PSF8_PGD0_PG_STS", BIT(0)},
{"SBR16B2_PGD0_PG_STS", BIT(1)},
{"D2D_IPU_PGD0_PG_STS", BIT(2)},
{"FIACPCB_U_PGD0_PG_STS", BIT(3)},
{"TAM_PGD0_PG_STS", BIT(4)},
{"D2D_NOC_PGD1_PG_STS", BIT(5)},
{"TBTLSX_PGD0_PG_STS", BIT(6)},
{"THC0_PGD0_PG_STS", BIT(7)},
{"THC1_PGD0_PG_STS", BIT(8)},
{"PMC_PGD0_PG_STS", BIT(9)},
{"SBR8B5_PGD0_PG_STS", BIT(10)},
{"UFSPW1_PGD0_PG_STS", BIT(11)},
{"DBC_PGD0_PG_STS", BIT(12)},
{"TCSS_PGD0_PG_STS", BIT(13)},
{"FIA_P5X4_PGD0_PG_STS", BIT(14)},
{"DISP_PGA_PGD0_PG_STS", BIT(15)},
{"DISP_PSF_PGD0_PG_STS", BIT(16)},
{"PSF0_PGD0_PG_STS", BIT(17)},
{"P2SB16B_PGD0_PG_STS", BIT(18)},
{"ACE_PGD0_PG_STS", BIT(19)},
{"ACE_PGD1_PG_STS", BIT(20)},
{"ACE_PGD2_PG_STS", BIT(21)},
{"ACE_PGD3_PG_STS", BIT(22)},
{"ACE_PGD4_PG_STS", BIT(23)},
{"ACE_PGD5_PG_STS", BIT(24)},
{"ACE_PGD6_PG_STS", BIT(25)},
{"ACE_PGD7_PG_STS", BIT(26)},
{"ACE_PGD8_PG_STS", BIT(27)},
{"ACE_PGD9_PG_STS", BIT(28)},
{"ACE_PGD10_PG_STS", BIT(29)},
{"FIACPCB_PG_PGD0_PG_STS", BIT(30)},
{"OSSE_PGD0_PG_STS", BIT(31)},
{}
};
const struct pmc_bit_map lnl_d3_status_0_map[] = {
{"LPSS_D3_STS", BIT(3)},
{"XDCI_D3_STS", BIT(4)},
{"XHCI_D3_STS", BIT(5)},
{"SPA_D3_STS", BIT(12)},
{"SPB_D3_STS", BIT(13)},
{"OSSE_D3_STS", BIT(15)},
{"ESPISPI_D3_STS", BIT(18)},
{"PSTH_D3_STS", BIT(21)},
{}
};
const struct pmc_bit_map lnl_d3_status_1_map[] = {
{"OSSE_SMT1_D3_STS", BIT(7)},
{"GBE_D3_STS", BIT(19)},
{"ITSS_D3_STS", BIT(23)},
{"CNVI_D3_STS", BIT(27)},
{"UFSX2_D3_STS", BIT(28)},
{"OSSE_HOTHAM_D3_STS", BIT(31)},
{}
};
const struct pmc_bit_map lnl_d3_status_2_map[] = {
{"ESE_D3_STS", BIT(0)},
{"CSMERTC_D3_STS", BIT(1)},
{"SUSRAM_D3_STS", BIT(2)},
{"CSE_D3_STS", BIT(4)},
{"KVMCC_D3_STS", BIT(5)},
{"USBR0_D3_STS", BIT(6)},
{"ISH_D3_STS", BIT(7)},
{"SMT1_D3_STS", BIT(8)},
{"SMT2_D3_STS", BIT(9)},
{"SMT3_D3_STS", BIT(10)},
{"OSSE_SMT2_D3_STS", BIT(13)},
{"CLINK_D3_STS", BIT(14)},
{"PTIO_D3_STS", BIT(16)},
{"PMT_D3_STS", BIT(17)},
{"SMS1_D3_STS", BIT(18)},
{"SMS2_D3_STS", BIT(19)},
{}
};
const struct pmc_bit_map lnl_d3_status_3_map[] = {
{"THC0_D3_STS", BIT(14)},
{"THC1_D3_STS", BIT(15)},
{"OSSE_SMT3_D3_STS", BIT(21)},
{"ACE_D3_STS", BIT(23)},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_0_map[] = {
{"LPSS_VNN_REQ_STS", BIT(3)},
{"OSSE_VNN_REQ_STS", BIT(15)},
{"ESPISPI_VNN_REQ_STS", BIT(18)},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_1_map[] = {
{"NPK_VNN_REQ_STS", BIT(4)},
{"OSSE_SMT1_VNN_REQ_STS", BIT(7)},
{"DFXAGG_VNN_REQ_STS", BIT(8)},
{"EXI_VNN_REQ_STS", BIT(9)},
{"P2D_VNN_REQ_STS", BIT(18)},
{"GBE_VNN_REQ_STS", BIT(19)},
{"SMB_VNN_REQ_STS", BIT(25)},
{"LPC_VNN_REQ_STS", BIT(26)},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_2_map[] = {
{"eSE_VNN_REQ_STS", BIT(0)},
{"CSMERTC_VNN_REQ_STS", BIT(1)},
{"CSE_VNN_REQ_STS", BIT(4)},
{"ISH_VNN_REQ_STS", BIT(7)},
{"SMT1_VNN_REQ_STS", BIT(8)},
{"CLINK_VNN_REQ_STS", BIT(14)},
{"SMS1_VNN_REQ_STS", BIT(18)},
{"SMS2_VNN_REQ_STS", BIT(19)},
{"GPIOCOM4_VNN_REQ_STS", BIT(20)},
{"GPIOCOM3_VNN_REQ_STS", BIT(21)},
{"GPIOCOM2_VNN_REQ_STS", BIT(22)},
{"GPIOCOM1_VNN_REQ_STS", BIT(23)},
{"GPIOCOM0_VNN_REQ_STS", BIT(24)},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_3_map[] = {
{"DISP_SHIM_VNN_REQ_STS", BIT(2)},
{"DTS0_VNN_REQ_STS", BIT(7)},
{"GPIOCOM5_VNN_REQ_STS", BIT(11)},
{}
};
const struct pmc_bit_map lnl_vnn_misc_status_map[] = {
{"CPU_C10_REQ_STS", BIT(0)},
{"TS_OFF_REQ_STS", BIT(1)},
{"PNDE_MET_REQ_STS", BIT(2)},
{"PCIE_DEEP_PM_REQ_STS", BIT(3)},
{"PMC_CLK_THROTTLE_EN_REQ_STS", BIT(4)},
{"NPK_VNNAON_REQ_STS", BIT(5)},
{"VNN_SOC_REQ_STS", BIT(6)},
{"ISH_VNNAON_REQ_STS", BIT(7)},
{"D2D_NOC_CFI_QACTIVE_REQ_STS", BIT(8)},
{"D2D_NOC_GPSB_QACTIVE_REQ_STS", BIT(9)},
{"D2D_NOC_IPU_QACTIVE_REQ_STS", BIT(10)},
{"PLT_GREATER_REQ_STS", BIT(11)},
{"PCIE_CLKREQ_REQ_STS", BIT(12)},
{"PMC_IDLE_FB_OCP_REQ_STS", BIT(13)},
{"PM_SYNC_STATES_REQ_STS", BIT(14)},
{"EA_REQ_STS", BIT(15)},
{"MPHY_CORE_OFF_REQ_STS", BIT(16)},
{"BRK_EV_EN_REQ_STS", BIT(17)},
{"AUTO_DEMO_EN_REQ_STS", BIT(18)},
{"ITSS_CLK_SRC_REQ_STS", BIT(19)},
{"LPC_CLK_SRC_REQ_STS", BIT(20)},
{"ARC_IDLE_REQ_STS", BIT(21)},
{"MPHY_SUS_REQ_STS", BIT(22)},
{"FIA_DEEP_PM_REQ_STS", BIT(23)},
{"UXD_CONNECTED_REQ_STS", BIT(24)},
{"ARC_INTERRUPT_WAKE_REQ_STS", BIT(25)},
{"D2D_NOC_DISP_DDI_QACTIVE_REQ_STS", BIT(26)},
{"PRE_WAKE0_REQ_STS", BIT(27)},
{"PRE_WAKE1_REQ_STS", BIT(28)},
{"PRE_WAKE2_EN_REQ_STS", BIT(29)},
{"WOV_REQ_STS", BIT(30)},
{"D2D_NOC_DISP_EDP_QACTIVE_REQ_STS_31", BIT(31)},
{}
};
const struct pmc_bit_map lnl_clocksource_status_map[] = {
{"AON2_OFF_STS", BIT(0)},
{"AON3_OFF_STS", BIT(1)},
{"AON4_OFF_STS", BIT(2)},
{"AON5_OFF_STS", BIT(3)},
{"AON1_OFF_STS", BIT(4)},
{"MPFPW1_0_PLL_OFF_STS", BIT(6)},
{"USB3_PLL_OFF_STS", BIT(8)},
{"AON3_SPL_OFF_STS", BIT(9)},
{"G5FPW1_PLL_OFF_STS", BIT(15)},
{"XTAL_AGGR_OFF_STS", BIT(17)},
{"USB2_PLL_OFF_STS", BIT(18)},
{"SAF_PLL_OFF_STS", BIT(19)},
{"SE_TCSS_PLL_OFF_STS", BIT(20)},
{"DDI_PLL_OFF_STS", BIT(21)},
{"FILTER_PLL_OFF_STS", BIT(22)},
{"ACE_PLL_OFF_STS", BIT(24)},
{"FABRIC_PLL_OFF_STS", BIT(25)},
{"SOC_PLL_OFF_STS", BIT(26)},
{"REF_OFF_STS", BIT(28)},
{"IMG_OFF_STS", BIT(29)},
{"RTC_PLL_OFF_STS", BIT(31)},
{}
};
const struct pmc_bit_map *lnl_lpm_maps[] = {
lnl_clocksource_status_map,
lnl_power_gating_status_0_map,
lnl_power_gating_status_1_map,
lnl_power_gating_status_2_map,
lnl_d3_status_0_map,
lnl_d3_status_1_map,
lnl_d3_status_2_map,
lnl_d3_status_3_map,
lnl_vnn_req_status_0_map,
lnl_vnn_req_status_1_map,
lnl_vnn_req_status_2_map,
lnl_vnn_req_status_3_map,
lnl_vnn_misc_status_map,
mtl_socm_signal_status_map,
NULL
};
const struct pmc_bit_map lnl_pfear_map[] = {
{"PMC_0", BIT(0)},
{"FUSE_OSSE", BIT(1)},
{"ESPISPI", BIT(2)},
{"XHCI", BIT(3)},
{"SPA", BIT(4)},
{"SPB", BIT(5)},
{"SBR16B0", BIT(6)},
{"GBE", BIT(7)},
{"SBR8B7", BIT(0)},
{"SBR8B6", BIT(1)},
{"SBR16B1", BIT(1)},
{"SBR8B8", BIT(2)},
{"ESE", BIT(3)},
{"SBR8B10", BIT(4)},
{"D2D_DISP_0", BIT(5)},
{"LPSS", BIT(6)},
{"LPC", BIT(7)},
{"SMB", BIT(0)},
{"ISH", BIT(1)},
{"SBR8B2", BIT(2)},
{"NPK_0", BIT(3)},
{"D2D_NOC_0", BIT(4)},
{"SAFSS", BIT(5)},
{"FUSE", BIT(6)},
{"D2D_DISP_1", BIT(7)},
{"MPFPW1", BIT(0)},
{"XDCI", BIT(1)},
{"EXI", BIT(2)},
{"CSE", BIT(3)},
{"KVMCC", BIT(4)},
{"PMT", BIT(5)},
{"CLINK", BIT(6)},
{"PTIO", BIT(7)},
{"USBR", BIT(0)},
{"SUSRAM", BIT(1)},
{"SMT1", BIT(2)},
{"U3FPW1", BIT(3)},
{"SMS2", BIT(4)},
{"SMS1", BIT(5)},
{"CSMERTC", BIT(6)},
{"CSMEPSF", BIT(7)},
{"FIA_PG", BIT(0)},
{"SBR16B4", BIT(1)},
{"P2SB8B", BIT(2)},
{"DBG_SBR", BIT(3)},
{"SBR8B9", BIT(4)},
{"OSSE_SMT1", BIT(5)},
{"SBR8B10", BIT(6)},
{"SBR16B3", BIT(7)},
{"G5FPW1", BIT(0)},
{"SBRG", BIT(1)},
{"PSF4", BIT(2)},
{"CNVI", BIT(3)},
{"UFSX2", BIT(4)},
{"ENDBG", BIT(5)},
{"FIACPCB_P5X4", BIT(6)},
{"SBR8B3", BIT(7)},
{"SBR8B0", BIT(0)},
{"NPK_1", BIT(1)},
{"OSSE_HOTHAM", BIT(2)},
{"D2D_NOC_2", BIT(3)},
{"SBR8B1", BIT(4)},
{"PSF6", BIT(5)},
{"PSF7", BIT(6)},
{"FIA_U", BIT(7)},
{"PSF8", BIT(0)},
{"SBR16B2", BIT(1)},
{"D2D_IPU", BIT(2)},
{"FIACPCB_U", BIT(3)},
{"TAM", BIT(4)},
{"D2D_NOC_1", BIT(5)},
{"TBTLSX", BIT(6)},
{"THC0", BIT(7)},
{"THC1", BIT(0)},
{"PMC_1", BIT(1)},
{"SBR8B5", BIT(2)},
{"UFSPW1", BIT(3)},
{"DBC", BIT(4)},
{"TCSS", BIT(5)},
{"FIA_P5X4", BIT(6)},
{"DISP_PGA", BIT(7)},
{"DBG_PSF", BIT(0)},
{"PSF0", BIT(1)},
{"P2SB16B", BIT(2)},
{"ACE0", BIT(3)},
{"ACE1", BIT(4)},
{"ACE2", BIT(5)},
{"ACE3", BIT(6)},
{"ACE4", BIT(7)},
{"ACE5", BIT(0)},
{"ACE6", BIT(1)},
{"ACE7", BIT(2)},
{"ACE8", BIT(3)},
{"ACE9", BIT(4)},
{"ACE10", BIT(5)},
{"FIACPCB", BIT(6)},
{"OSSE", BIT(7)},
{}
};
const struct pmc_bit_map *ext_lnl_pfear_map[] = {
lnl_pfear_map,
NULL
};
const struct pmc_reg_map lnl_socm_reg_map = {
.pfear_sts = ext_lnl_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 = lnl_ltr_show_map,
.msr_sts = msr_map,
.ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET,
.regmap_length = LNL_PMC_MMIO_REG_LEN,
.ppfear0_offset = CNP_PMC_HOST_PPFEAR0A,
.ppfear_buckets = LNL_PPFEAR_NUM_ENTRIES,
.pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
.pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
.ltr_ignore_max = LNL_NUM_IP_IGN_ALLOWED,
.lpm_num_maps = ADL_LPM_NUM_MAPS,
.lpm_res_counter_step_x2 = TGL_PMC_LPM_RES_COUNTER_STEP_X2,
.etr3_offset = ETR3_OFFSET,
.lpm_sts_latch_en_offset = MTL_LPM_STATUS_LATCH_EN_OFFSET,
.lpm_priority_offset = MTL_LPM_PRI_OFFSET,
.lpm_en_offset = MTL_LPM_EN_OFFSET,
.lpm_residency_offset = MTL_LPM_RESIDENCY_OFFSET,
.lpm_sts = lnl_lpm_maps,
.lpm_status_offset = MTL_LPM_STATUS_OFFSET,
.lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET,
};
#define LNL_NPU_PCI_DEV 0x643e
#define LNL_IPU_PCI_DEV 0x645d
/*
* Set power state of select devices that do not have drivers to D3
* so that they do not block Package C entry.
*/
static void lnl_d3_fixup(void)
{
pmc_core_set_device_d3(LNL_IPU_PCI_DEV);
pmc_core_set_device_d3(LNL_NPU_PCI_DEV);
}
static int lnl_resume(struct pmc_dev *pmcdev)
{
lnl_d3_fixup();
pmc_core_send_ltr_ignore(pmcdev, 3, 0);
return pmc_core_resume_common(pmcdev);
}
int lnl_core_init(struct pmc_dev *pmcdev)
{
int ret;
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_SOC];
lnl_d3_fixup();
pmcdev->suspend = cnl_suspend;
pmcdev->resume = lnl_resume;
pmc->map = &lnl_socm_reg_map;
ret = get_primary_reg_base(pmc);
if (ret)
return ret;
pmc_core_get_low_power_modes(pmcdev);
return 0;
}