54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef MFD_INTEL_PMC_BXT_H
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#define MFD_INTEL_PMC_BXT_H
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/* GCR reg offsets from GCR base */
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#define PMC_GCR_PMC_CFG_REG 0x08
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#define PMC_GCR_TELEM_DEEP_S0IX_REG 0x78
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#define PMC_GCR_TELEM_SHLW_S0IX_REG 0x80
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/* PMC_CFG_REG bit masks */
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#define PMC_CFG_NO_REBOOT_EN BIT(4)
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/**
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* struct intel_pmc_dev - Intel PMC device structure
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* @dev: Pointer to the parent PMC device
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* @scu: Pointer to the SCU IPC device data structure
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* @gcr_mem_base: Virtual base address of GCR (Global Configuration Registers)
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* @gcr_lock: Lock used to serialize access to GCR registers
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* @telem_base: Pointer to telemetry SSRAM base resource or %NULL if not
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* available
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*/
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struct intel_pmc_dev {
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struct device *dev;
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struct intel_scu_ipc_dev *scu;
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void __iomem *gcr_mem_base;
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spinlock_t gcr_lock;
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struct resource *telem_base;
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};
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#if IS_ENABLED(CONFIG_MFD_INTEL_PMC_BXT)
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int intel_pmc_gcr_read64(struct intel_pmc_dev *pmc, u32 offset, u64 *data);
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int intel_pmc_gcr_update(struct intel_pmc_dev *pmc, u32 offset, u32 mask, u32 val);
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int intel_pmc_s0ix_counter_read(struct intel_pmc_dev *pmc, u64 *data);
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#else
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static inline int intel_pmc_gcr_read64(struct intel_pmc_dev *pmc, u32 offset,
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u64 *data)
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{
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return -ENOTSUPP;
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}
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static inline int intel_pmc_gcr_update(struct intel_pmc_dev *pmc, u32 offset,
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u32 mask, u32 val)
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{
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return -ENOTSUPP;
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}
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static inline int intel_pmc_s0ix_counter_read(struct intel_pmc_dev *pmc, u64 *data)
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{
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return -ENOTSUPP;
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}
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#endif
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#endif /* MFD_INTEL_PMC_BXT_H */
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