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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 */