platform/x86: intel/pmc: Relocate Tiger Lake PCH support

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 <david.e.box@linux.intel.com>
Reviewed-by: "David E. Box" <david.e.box@linux.intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@linux.intel.com>
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20221114183257.2067662-7-gayatri.kammela@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

1 files changed, 1 insertions, 263 deletions

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 <linux/acpi.h>
 #include <linux/bitfield.h>
 #include <linux/debugfs.h>
 #include <linux/delay.h>
@@ -21,10 +20,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/suspend.h>
-#include <linux/uaccess.h>
-#include <linux/uuid.h>
 
-#include <acpi/acpi_bus.h>
 #include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
 #include <asm/msr.h>
@@ -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 @@ out_unlock:
 }
 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