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