/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Intel Atom SoC Power Management Controller Header File
* Copyright (c) 2014-2015,2022 Intel Corporation.
*/
#ifndef PMC_ATOM_H
#define PMC_ATOM_H
#include <linux/bits.h>
/* ValleyView Power Control Unit PCI Device ID */
#define PCI_DEVICE_ID_VLV_PMC 0x0F1C
/* CherryTrail Power Control Unit PCI Device ID */
#define PCI_DEVICE_ID_CHT_PMC 0x229C
/* PMC Memory mapped IO registers */
#define PMC_BASE_ADDR_OFFSET 0x44
#define PMC_BASE_ADDR_MASK 0xFFFFFE00
#define PMC_MMIO_REG_LEN 0x100
#define PMC_REG_BIT_WIDTH 32
/* BIOS uses FUNC_DIS to disable specific function */
#define PMC_FUNC_DIS 0x34
#define PMC_FUNC_DIS_2 0x38
/* CHT specific bits in FUNC_DIS2 register */
#define BIT_FD_GMM BIT(3)
#define BIT_FD_ISH BIT(4)
/* S0ix wake event control */
#define PMC_S0IX_WAKE_EN 0x3C
#define BIT_LPC_CLOCK_RUN BIT(4)
#define BIT_SHARED_IRQ_GPSC BIT(5)
#define BIT_ORED_DEDICATED_IRQ_GPSS BIT(18)
#define BIT_ORED_DEDICATED_IRQ_GPSC BIT(19)
#define BIT_SHARED_IRQ_GPSS BIT(20)
#define PMC_WAKE_EN_SETTING ~(BIT_LPC_CLOCK_RUN | \
BIT_SHARED_IRQ_GPSC | \
BIT_ORED_DEDICATED_IRQ_GPSS | \
BIT_ORED_DEDICATED_IRQ_GPSC | \
BIT_SHARED_IRQ_GPSS)
/* External clk generator settings */
#define PMC_CLK_CTL_OFFSET 0x60
#define PMC_CLK_CTL_SIZE 4
#define PMC_CLK_NUM 6
#define PMC_CLK_CTL_GATED_ON_D3 0x0
#define PMC_CLK_CTL_FORCE_ON 0x1
#define PMC_CLK_CTL_FORCE_OFF 0x2
#define PMC_CLK_CTL_RESERVED 0x3
#define PMC_MASK_CLK_CTL GENMASK(1, 0)
#define PMC_MASK_CLK_FREQ BIT(2)
#define PMC_CLK_FREQ_XTAL (0 << 2) /* 25 MHz */
#define PMC_CLK_FREQ_PLL (1 << 2) /* 19.2 MHz */
/* The timers accumulate time spent in sleep state */
#define PMC_S0IR_TMR 0x80
#define PMC_S0I1_TMR 0x84
#define PMC_S0I2_TMR 0x88
#define PMC_S0I3_TMR 0x8C
#define PMC_S0_TMR 0x90
/* Sleep state counter is in units of 32us */
#define PMC_TMR_SHIFT 5
/* Power status of power islands */
#define PMC_PSS 0x98
#define PMC_PSS_BIT_GBE BIT(0)
#define PMC_PSS_BIT_SATA BIT(1)
#define PMC_PSS_BIT_HDA BIT(2)
#define PMC_PSS_BIT_SEC BIT(3)
#define PMC_PSS_BIT_PCIE BIT(4)
#define PMC_PSS_BIT_LPSS BIT(5)
#define PMC_PSS_BIT_LPE BIT(6)
#define PMC_PSS_BIT_DFX BIT(7)
#define PMC_PSS_BIT_USH_CTRL BIT(8)
#define PMC_PSS_BIT_USH_SUS BIT(9)
#define PMC_PSS_BIT_USH_VCCS BIT(10)
#define PMC_PSS_BIT_USH_VCCA BIT(11)
#define PMC_PSS_BIT_OTG_CTRL BIT(12)
#define PMC_PSS_BIT_OTG_VCCS BIT(13)
#define PMC_PSS_BIT_OTG_VCCA_CLK BIT(14)
#define PMC_PSS_BIT_OTG_VCCA BIT(15)
#define PMC_PSS_BIT_USB BIT(16)
#define PMC_PSS_BIT_USB_SUS BIT(17)
/* CHT specific bits in PSS register */
#define PMC_PSS_BIT_CHT_UFS BIT(7)
#define PMC_PSS_BIT_CHT_UXD BIT(11)
#define PMC_PSS_BIT_CHT_UXD_FD BIT(12)
#define PMC_PSS_BIT_CHT_UX_ENG BIT(15)
#define PMC_PSS_BIT_CHT_USB_SUS BIT(16)
#define PMC_PSS_BIT_CHT_GMM BIT(17)
#define PMC_PSS_BIT_CHT_ISH BIT(18)
#define PMC_PSS_BIT_CHT_DFX_MASTER BIT(26)
#define PMC_PSS_BIT_CHT_DFX_CLUSTER1 BIT(27)
#define PMC_PSS_BIT_CHT_DFX_CLUSTER2 BIT(28)
#define PMC_PSS_BIT_CHT_DFX_CLUSTER3 BIT(29)
#define PMC_PSS_BIT_CHT_DFX_CLUSTER4 BIT(30)
#define PMC_PSS_BIT_CHT_DFX_CLUSTER5 BIT(31)
/* These registers reflect D3 status of functions */
#define PMC_D3_STS_0 0xA0
#define BIT_LPSS1_F0_DMA BIT(0)
#define BIT_LPSS1_F1_PWM1 BIT(1)
#define BIT_LPSS1_F2_PWM2 BIT(2)
#define BIT_LPSS1_F3_HSUART1 BIT(3)
#define BIT_LPSS1_F4_HSUART2 BIT(4)
#define BIT_LPSS1_F5_SPI BIT(5)
#define BIT_LPSS1_F6_XXX BIT(6)
#define BIT_LPSS1_F7_XXX BIT(7)
#define BIT_SCC_EMMC BIT(8)
#define BIT_SCC_SDIO BIT(9)
#define BIT_SCC_SDCARD BIT(10)
#define BIT_SCC_MIPI BIT(11)
#define BIT_HDA BIT(12) /* CHT datasheet: reserved */
#define BIT_LPE BIT(13)
#define BIT_OTG BIT(14)
#define BIT_USH BIT(15) /* CHT datasheet: reserved */
#define BIT_GBE BIT(16) /* CHT datasheet: reserved */
#define BIT_SATA BIT(17) /* CHT datasheet: reserved */
#define BIT_USB_EHCI BIT(18) /* CHT datasheet: XHCI! */
#define BIT_SEC BIT(19) /* BYT datasheet: reserved */
#define BIT_PCIE_PORT0 BIT(20)
#define BIT_PCIE_PORT1 BIT(21)
#define BIT_PCIE_PORT2 BIT(22)
#define BIT_PCIE_PORT3 BIT(23)
#define BIT_LPSS2_F0_DMA BIT(24)
#define BIT_LPSS2_F1_I2C1 BIT(25)
#define BIT_LPSS2_F2_I2C2 BIT(26)
#define BIT_LPSS2_F3_I2C3 BIT(27)
#define BIT_LPSS2_F4_I2C4 BIT(28)
#define BIT_LPSS2_F5_I2C5 BIT(29)
#define BIT_LPSS2_F6_I2C6 BIT(30)
#define BIT_LPSS2_F7_I2C7 BIT(31)
#define PMC_D3_STS_1 0xA4
#define BIT_SMB BIT(0)
#define BIT_OTG_SS_PHY BIT(1)
#define BIT_USH_SS_PHY BIT(2)
#define BIT_DFX BIT(3)
/* CHT specific bits in PMC_D3_STS_1 register */
#define BIT_STS_GMM BIT(1)
#define BIT_STS_ISH BIT(2)
/* PMC I/O Registers */
#define ACPI_BASE_ADDR_OFFSET 0x40
#define ACPI_BASE_ADDR_MASK 0xFFFFFE00
#define ACPI_MMIO_REG_LEN 0x100
#define PM1_CNT 0x4
#define SLEEP_TYPE_MASK GENMASK(12, 10)
#define SLEEP_TYPE_S5 0x1C00
#define SLEEP_ENABLE BIT(13)
extern int pmc_atom_read(int offset, u32 *value);
#endif /* PMC_ATOM_H */
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