diff options
author | Xi Pardee <xi.pardee@intel.com> | 2023-06-14 01:53:41 +0300 |
---|---|---|
committer | Hans de Goede <hdegoede@redhat.com> | 2023-06-20 13:51:08 +0300 |
commit | 804951203aa541ad6720c9726c173d18aeb3ab6b (patch) | |
tree | 0d57d9114d71599e612a5898b4ee8ab0cb569850 /drivers/platform/x86/intel/pmc | |
parent | 9682cfd1973d01e43c2764c662e6d3291ddf770d (diff) | |
download | linux-804951203aa541ad6720c9726c173d18aeb3ab6b.tar.xz |
platform/x86:intel/pmc: Combine core_init() and core_configure()
Combine core_init() and core_configure() functions to have a
cleaner setup for platforms.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230613225347.2720665-3-rajvi.jingar@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/intel/pmc')
-rw-r--r-- | drivers/platform/x86/intel/pmc/adl.c | 15 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/cnp.c | 15 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/core.c | 47 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/core.h | 19 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/icl.c | 3 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/mtl.c | 26 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/spt.c | 3 | ||||
-rw-r--r-- | drivers/platform/x86/intel/pmc/tgl.c | 15 |
8 files changed, 85 insertions, 58 deletions
diff --git a/drivers/platform/x86/intel/pmc/adl.c b/drivers/platform/x86/intel/pmc/adl.c index 5cbd40979f2a..f678ce308cc7 100644 --- a/drivers/platform/x86/intel/pmc/adl.c +++ b/drivers/platform/x86/intel/pmc/adl.c @@ -309,17 +309,20 @@ const struct pmc_reg_map adl_reg_map = { .lpm_live_status_offset = ADL_LPM_LIVE_STATUS_OFFSET, }; -void adl_core_configure(struct pmc_dev *pmcdev) +int adl_core_init(struct pmc_dev *pmcdev) { + int ret; + + pmcdev->map = &adl_reg_map; + ret = get_primary_reg_base(pmcdev); + if (ret) + return ret; + /* Due to a hardware limitation, the GBE LTR blocks PC10 * when a cable is attached. Tell the PMC to ignore it. */ dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); pmc_core_send_ltr_ignore(pmcdev, 3); -} -void adl_core_init(struct pmc_dev *pmcdev) -{ - pmcdev->map = &adl_reg_map; - pmcdev->core_configure = adl_core_configure; + return 0; } diff --git a/drivers/platform/x86/intel/pmc/cnp.c b/drivers/platform/x86/intel/pmc/cnp.c index 7fb38815c4eb..5fb2d191ce30 100644 --- a/drivers/platform/x86/intel/pmc/cnp.c +++ b/drivers/platform/x86/intel/pmc/cnp.c @@ -204,7 +204,20 @@ const struct pmc_reg_map cnp_reg_map = { .etr3_offset = ETR3_OFFSET, }; -void cnp_core_init(struct pmc_dev *pmcdev) +int cnp_core_init(struct pmc_dev *pmcdev) { + int ret; + pmcdev->map = &cnp_reg_map; + ret = get_primary_reg_base(pmcdev); + if (ret) + return ret; + + /* Due to a hardware limitation, the GBE LTR blocks PC10 + * when a cable is attached. Tell the PMC to ignore it. + */ + dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); + pmc_core_send_ltr_ignore(pmcdev, 3); + + return 0; } diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index ed91ef9d1cf6..0d4cda7c1833 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -948,6 +948,25 @@ static void pmc_core_get_low_power_modes(struct platform_device *pdev) } } +int get_primary_reg_base(struct pmc_dev *pmcdev) +{ + u64 slp_s0_addr; + + if (lpit_read_residency_count_address(&slp_s0_addr)) { + pmcdev->base_addr = PMC_BASE_ADDR_DEFAULT; + + if (page_is_ram(PHYS_PFN(pmcdev->base_addr))) + return -ENODEV; + } else { + pmcdev->base_addr = slp_s0_addr - pmcdev->map->slp_s0_offset; + } + + pmcdev->regbase = ioremap(pmcdev->base_addr, pmcdev->map->regmap_length); + if (!pmcdev->regbase) + return -ENOMEM; + return 0; +} + static void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev) { debugfs_remove_recursive(pmcdev->dbgfs_dir); @@ -1099,8 +1118,8 @@ static int pmc_core_probe(struct platform_device *pdev) static bool device_initialized; struct pmc_dev *pmcdev; const struct x86_cpu_id *cpu_id; - void (*core_init)(struct pmc_dev *pmcdev); - u64 slp_s0_addr; + int (*core_init)(struct pmc_dev *pmcdev); + int ret; if (device_initialized) return -ENODEV; @@ -1116,7 +1135,7 @@ static int pmc_core_probe(struct platform_device *pdev) if (!cpu_id) return -ENODEV; - core_init = (void (*)(struct pmc_dev *))cpu_id->driver_data; + core_init = (int (*)(struct pmc_dev *))cpu_id->driver_data; /* * Coffee Lake has CPU ID of Kaby Lake and Cannon Lake PCH. So here @@ -1127,26 +1146,12 @@ static int pmc_core_probe(struct platform_device *pdev) core_init = cnp_core_init; mutex_init(&pmcdev->lock); - core_init(pmcdev); - - - if (lpit_read_residency_count_address(&slp_s0_addr)) { - pmcdev->base_addr = PMC_BASE_ADDR_DEFAULT; - - if (page_is_ram(PHYS_PFN(pmcdev->base_addr))) - return -ENODEV; - } else { - pmcdev->base_addr = slp_s0_addr - pmcdev->map->slp_s0_offset; + ret = core_init(pmcdev); + if (ret) { + mutex_destroy(&pmcdev->lock); + return ret; } - pmcdev->regbase = ioremap(pmcdev->base_addr, - pmcdev->map->regmap_length); - if (!pmcdev->regbase) - return -ENOMEM; - - if (pmcdev->core_configure) - pmcdev->core_configure(pmcdev); - pmcdev->pmc_xram_read_bit = pmc_core_check_read_lock_bit(pmcdev); pmc_core_get_low_power_modes(pdev); pmc_core_do_dmi_quirks(pmcdev); diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h index 86d38270000a..a672659b8659 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -334,7 +334,6 @@ struct pmc_reg_map { * @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 - * @core_configure: Function pointer to configure the platform * @resume: Function to perform platform specific resume * * pmc_dev contains info about power management controller device. @@ -353,7 +352,6 @@ struct pmc_dev { int num_lpm_modes; int lpm_en_modes[LPM_MAX_NUM_MODES]; u32 *lpm_req_regs; - void (*core_configure)(struct pmc_dev *pmcdev); int (*resume)(struct pmc_dev *pmcdev); }; @@ -427,15 +425,14 @@ 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); -void spt_core_init(struct pmc_dev *pmcdev); -void cnp_core_init(struct pmc_dev *pmcdev); -void icl_core_init(struct pmc_dev *pmcdev); -void tgl_core_init(struct pmc_dev *pmcdev); -void adl_core_init(struct pmc_dev *pmcdev); -void mtl_core_init(struct pmc_dev *pmcdev); -void tgl_core_configure(struct pmc_dev *pmcdev); -void adl_core_configure(struct pmc_dev *pmcdev); -void mtl_core_configure(struct pmc_dev *pmcdev); +int get_primary_reg_base(struct pmc_dev *pmcdev); + +int spt_core_init(struct pmc_dev *pmcdev); +int cnp_core_init(struct pmc_dev *pmcdev); +int icl_core_init(struct pmc_dev *pmcdev); +int tgl_core_init(struct pmc_dev *pmcdev); +int adl_core_init(struct pmc_dev *pmcdev); +int mtl_core_init(struct pmc_dev *pmcdev); #define pmc_for_each_mode(i, mode, pmcdev) \ for (i = 0, mode = pmcdev->lpm_en_modes[i]; \ diff --git a/drivers/platform/x86/intel/pmc/icl.c b/drivers/platform/x86/intel/pmc/icl.c index 2f11b1a6daeb..a671d7e86431 100644 --- a/drivers/platform/x86/intel/pmc/icl.c +++ b/drivers/platform/x86/intel/pmc/icl.c @@ -50,7 +50,8 @@ const struct pmc_reg_map icl_reg_map = { .etr3_offset = ETR3_OFFSET, }; -void icl_core_init(struct pmc_dev *pmcdev) +int icl_core_init(struct pmc_dev *pmcdev) { pmcdev->map = &icl_reg_map; + return get_primary_reg_base(pmcdev); } diff --git a/drivers/platform/x86/intel/pmc/mtl.c b/drivers/platform/x86/intel/pmc/mtl.c index cdcf743b5e2c..a2fc96f9ef11 100644 --- a/drivers/platform/x86/intel/pmc/mtl.c +++ b/drivers/platform/x86/intel/pmc/mtl.c @@ -467,15 +467,6 @@ const struct pmc_reg_map mtl_socm_reg_map = { .lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET, }; -void mtl_core_configure(struct pmc_dev *pmcdev) -{ - /* Due to a hardware limitation, the GBE LTR blocks PC10 - * when a cable is attached. Tell the PMC to ignore it. - */ - dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); - pmc_core_send_ltr_ignore(pmcdev, 3); -} - #define MTL_GNA_PCI_DEV 0x7e4c #define MTL_IPU_PCI_DEV 0x7d19 #define MTL_VPU_PCI_DEV 0x7d1d @@ -515,12 +506,25 @@ static int mtl_resume(struct pmc_dev *pmcdev) return pmc_core_resume_common(pmcdev); } -void mtl_core_init(struct pmc_dev *pmcdev) +int mtl_core_init(struct pmc_dev *pmcdev) { + int ret; + pmcdev->map = &mtl_socm_reg_map; - pmcdev->core_configure = mtl_core_configure; mtl_d3_fixup(); pmcdev->resume = mtl_resume; + + ret = get_primary_reg_base(pmcdev); + if (ret) + return ret; + + /* Due to a hardware limitation, the GBE LTR blocks PC10 + * when a cable is attached. Tell the PMC to ignore it. + */ + dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); + pmc_core_send_ltr_ignore(pmcdev, 3); + + return 0; } diff --git a/drivers/platform/x86/intel/pmc/spt.c b/drivers/platform/x86/intel/pmc/spt.c index e16982236778..f34015692bb8 100644 --- a/drivers/platform/x86/intel/pmc/spt.c +++ b/drivers/platform/x86/intel/pmc/spt.c @@ -134,7 +134,8 @@ const struct pmc_reg_map spt_reg_map = { .pm_vric1_offset = SPT_PMC_VRIC1_OFFSET, }; -void spt_core_init(struct pmc_dev *pmcdev) +int spt_core_init(struct pmc_dev *pmcdev) { pmcdev->map = &spt_reg_map; + return get_primary_reg_base(pmcdev); } diff --git a/drivers/platform/x86/intel/pmc/tgl.c b/drivers/platform/x86/intel/pmc/tgl.c index c245ada849d0..90807bd947ed 100644 --- a/drivers/platform/x86/intel/pmc/tgl.c +++ b/drivers/platform/x86/intel/pmc/tgl.c @@ -252,18 +252,21 @@ free_acpi_obj: ACPI_FREE(out_obj); } -void tgl_core_configure(struct pmc_dev *pmcdev) +int tgl_core_init(struct pmc_dev *pmcdev) { + int ret; + + pmcdev->map = &tgl_reg_map; + ret = get_primary_reg_base(pmcdev); + if (ret) + return ret; + pmc_core_get_tgl_lpm_reqs(pmcdev->pdev); /* Due to a hardware limitation, the GBE LTR blocks PC10 * when a cable is attached. Tell the PMC to ignore it. */ dev_dbg(&pmcdev->pdev->dev, "ignoring GBE LTR\n"); pmc_core_send_ltr_ignore(pmcdev, 3); -} -void tgl_core_init(struct pmc_dev *pmcdev) -{ - pmcdev->map = &tgl_reg_map; - pmcdev->core_configure = tgl_core_configure; + return 0; } |