diff options
| author | Xi Pardee <xi.pardee@intel.com> | 2023-06-14 01:53:42 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-06-20 13:51:08 +0300 |
| commit | 1c709ae12dad6f7e2dd5becfbac0f5141c2e15fd (patch) | |
| tree | bcd3a866490c07c80f16a7bf084e00970f1fea0c /drivers/platform/x86/intel/pmc/core.h | |
| parent | 804951203aa541ad6720c9726c173d18aeb3ab6b (diff) | |
| download | linux-1c709ae12dad6f7e2dd5becfbac0f5141c2e15fd.tar.xz | |
platform/x86:intel/pmc: Add support to handle multiple PMCs
To support platforms with multiple PMCs, add a PMC device structure to
support each PMC instance.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230613225347.2720665-4-rajvi.jingar@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/intel/pmc/core.h')
| -rw-r--r-- | drivers/platform/x86/intel/pmc/core.h | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h index a672659b8659..4f21d452a033 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -19,6 +19,7 @@ #define SLP_S0_RES_COUNTER_MASK GENMASK(31, 0) #define PMC_BASE_ADDR_DEFAULT 0xFE000000 +#define MAX_NUM_PMC 3 /* Sunrise Point Power Management Controller PCI Device ID */ #define SPT_PMC_PCI_DEVICE_ID 0x9d21 @@ -319,11 +320,25 @@ struct pmc_reg_map { }; /** - * struct pmc_dev - pmc device structure + * struct pmc - pmc private info structure * @base_addr: contains pmc base address * @regbase: pointer to io-remapped memory location * @map: pointer to pmc_reg_map struct that contains platform * specific attributes + * @lpm_req_regs: List of substate requirements + * + * pmc contains info about one power management controller device. + */ +struct pmc { + u64 base_addr; + void __iomem *regbase; + const struct pmc_reg_map *map; + u32 *lpm_req_regs; +}; + +/** + * struct pmc_dev - pmc device structure + * @devs: pointer to an array of pmc pointers * @pdev: pointer to platform_device struct * @dbgfs_dir: path to debugfs interface * @pmc_xram_read_bit: flag to indicate whether PMC XRAM shadow registers @@ -333,15 +348,12 @@ struct pmc_reg_map { * @s0ix_counter: S0ix residency (step adjusted) * @num_lpm_modes: Count of enabled modes * @lpm_en_modes: Array of enabled modes from lowest to highest priority - * @lpm_req_regs: List of substate requirements * @resume: Function to perform platform specific resume * * pmc_dev contains info about power management controller device. */ struct pmc_dev { - u32 base_addr; - void __iomem *regbase; - const struct pmc_reg_map *map; + struct pmc *pmcs[MAX_NUM_PMC]; struct dentry *dbgfs_dir; struct platform_device *pdev; int pmc_xram_read_bit; @@ -351,8 +363,19 @@ struct pmc_dev { u64 s0ix_counter; int num_lpm_modes; int lpm_en_modes[LPM_MAX_NUM_MODES]; - u32 *lpm_req_regs; int (*resume)(struct pmc_dev *pmcdev); + + bool has_die_c6; + u32 die_c6_offset; + struct telem_endpoint *punit_ep; +}; + +enum pmc_index { + PMC_IDX_MAIN, + PMC_IDX_SOC = PMC_IDX_MAIN, + PMC_IDX_IOE, + PMC_IDX_PCH, + PMC_IDX_MAX }; extern const struct pmc_bit_map msr_map[]; @@ -425,7 +448,7 @@ extern void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev); extern int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value); int pmc_core_resume_common(struct pmc_dev *pmcdev); -int get_primary_reg_base(struct pmc_dev *pmcdev); +int get_primary_reg_base(struct pmc *pmc); int spt_core_init(struct pmc_dev *pmcdev); int cnp_core_init(struct pmc_dev *pmcdev); |