diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/intel-mid.h | 9 | ||||
| -rw-r--r-- | arch/x86/include/asm/intel_pmc_ipc.h | 59 | ||||
| -rw-r--r-- | arch/x86/include/asm/intel_scu_ipc.h | 114 | ||||
| -rw-r--r-- | arch/x86/include/asm/intel_scu_ipc_legacy.h | 91 | ||||
| -rw-r--r-- | arch/x86/include/asm/intel_telemetry.h | 6 |
5 files changed, 163 insertions, 116 deletions
diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h index 8e5af119dc2d..de58391bdee0 100644 --- a/arch/x86/include/asm/intel-mid.h +++ b/arch/x86/include/asm/intel-mid.h @@ -88,11 +88,17 @@ static inline bool intel_mid_has_msic(void) return (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_PENWELL); } +extern void intel_scu_devices_create(void); +extern void intel_scu_devices_destroy(void); + #else /* !CONFIG_X86_INTEL_MID */ #define intel_mid_identify_cpu() 0 #define intel_mid_has_msic() 0 +static inline void intel_scu_devices_create(void) { } +static inline void intel_scu_devices_destroy(void) { } + #endif /* !CONFIG_X86_INTEL_MID */ enum intel_mid_timer_options { @@ -115,9 +121,6 @@ extern enum intel_mid_timer_options intel_mid_timer_options; #define SFI_MTMR_MAX_NUM 8 #define SFI_MRTC_MAX 8 -extern void intel_scu_devices_create(void); -extern void intel_scu_devices_destroy(void); - /* VRTC timer */ #define MRST_VRTC_MAP_SZ 1024 /* #define MRST_VRTC_PGOFFSET 0xc00 */ diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h deleted file mode 100644 index e6da1ce26256..000000000000 --- a/arch/x86/include/asm/intel_pmc_ipc.h +++ /dev/null @@ -1,59 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_X86_INTEL_PMC_IPC_H_ -#define _ASM_X86_INTEL_PMC_IPC_H_ - -/* Commands */ -#define PMC_IPC_PMIC_ACCESS 0xFF -#define PMC_IPC_PMIC_ACCESS_READ 0x0 -#define PMC_IPC_PMIC_ACCESS_WRITE 0x1 -#define PMC_IPC_USB_PWR_CTRL 0xF0 -#define PMC_IPC_PMIC_BLACKLIST_SEL 0xEF -#define PMC_IPC_PHY_CONFIG 0xEE -#define PMC_IPC_NORTHPEAK_CTRL 0xED -#define PMC_IPC_PM_DEBUG 0xEC -#define PMC_IPC_PMC_TELEMTRY 0xEB -#define PMC_IPC_PMC_FW_MSG_CTRL 0xEA - -/* IPC return code */ -#define IPC_ERR_NONE 0 -#define IPC_ERR_CMD_NOT_SUPPORTED 1 -#define IPC_ERR_CMD_NOT_SERVICED 2 -#define IPC_ERR_UNABLE_TO_SERVICE 3 -#define IPC_ERR_CMD_INVALID 4 -#define IPC_ERR_CMD_FAILED 5 -#define IPC_ERR_EMSECURITY 6 -#define IPC_ERR_UNSIGNEDKERNEL 7 - -/* 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 - -#if IS_ENABLED(CONFIG_INTEL_PMC_IPC) - -int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, - u32 *out, u32 outlen); -int intel_pmc_s0ix_counter_read(u64 *data); -int intel_pmc_gcr_read64(u32 offset, u64 *data); - -#else - -static inline int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, - u32 *out, u32 outlen) -{ - return -EINVAL; -} - -static inline int intel_pmc_s0ix_counter_read(u64 *data) -{ - return -EINVAL; -} - -static inline int intel_pmc_gcr_read64(u32 offset, u64 *data) -{ - return -EINVAL; -} - -#endif /*CONFIG_INTEL_PMC_IPC*/ - -#endif diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h index 2a1442ba6e78..11d457af68c5 100644 --- a/arch/x86/include/asm/intel_scu_ipc.h +++ b/arch/x86/include/asm/intel_scu_ipc.h @@ -2,61 +2,69 @@ #ifndef _ASM_X86_INTEL_SCU_IPC_H_ #define _ASM_X86_INTEL_SCU_IPC_H_ -#include <linux/notifier.h> - -#define IPCMSG_INDIRECT_READ 0x02 -#define IPCMSG_INDIRECT_WRITE 0x05 - -#define IPCMSG_COLD_OFF 0x80 /* Only for Tangier */ - -#define IPCMSG_WARM_RESET 0xF0 -#define IPCMSG_COLD_RESET 0xF1 -#define IPCMSG_SOFT_RESET 0xF2 -#define IPCMSG_COLD_BOOT 0xF3 - -#define IPCMSG_VRTC 0xFA /* Set vRTC device */ - /* Command id associated with message IPCMSG_VRTC */ - #define IPC_CMD_VRTC_SETTIME 1 /* Set time */ - #define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */ - -/* Read single register */ -int intel_scu_ipc_ioread8(u16 addr, u8 *data); - -/* Read a vector */ -int intel_scu_ipc_readv(u16 *addr, u8 *data, int len); - -/* Write single register */ -int intel_scu_ipc_iowrite8(u16 addr, u8 data); - -/* Write a vector */ -int intel_scu_ipc_writev(u16 *addr, u8 *data, int len); - -/* Update single register based on the mask */ -int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask); - -/* Issue commands to the SCU with or without data */ -int intel_scu_ipc_simple_command(int cmd, int sub); -int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, - u32 *out, int outlen); - -extern struct blocking_notifier_head intel_scu_notifier; - -static inline void intel_scu_notifier_add(struct notifier_block *nb) -{ - blocking_notifier_chain_register(&intel_scu_notifier, nb); -} - -static inline void intel_scu_notifier_remove(struct notifier_block *nb) -{ - blocking_notifier_chain_unregister(&intel_scu_notifier, nb); -} - -static inline int intel_scu_notifier_post(unsigned long v, void *p) +#include <linux/ioport.h> + +struct device; +struct intel_scu_ipc_dev; + +/** + * struct intel_scu_ipc_data - Data used to configure SCU IPC + * @mem: Base address of SCU IPC MMIO registers + * @irq: The IRQ number used for SCU (optional) + */ +struct intel_scu_ipc_data { + struct resource mem; + int irq; +}; + +struct intel_scu_ipc_dev * +__intel_scu_ipc_register(struct device *parent, + const struct intel_scu_ipc_data *scu_data, + struct module *owner); + +#define intel_scu_ipc_register(parent, scu_data) \ + __intel_scu_ipc_register(parent, scu_data, THIS_MODULE) + +void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu); + +struct intel_scu_ipc_dev * +__devm_intel_scu_ipc_register(struct device *parent, + const struct intel_scu_ipc_data *scu_data, + struct module *owner); + +#define devm_intel_scu_ipc_register(parent, scu_data) \ + __devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE) + +struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void); +void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu); +struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev); + +int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr, + u8 *data); +int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr, + u8 data); +int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr, + u8 *data, size_t len); +int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr, + u8 *data, size_t len); + +int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr, + u8 data, u8 mask); + +int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd, + int sub); +int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd, + int sub, const void *in, size_t inlen, + size_t size, void *out, size_t outlen); + +static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd, + int sub, const void *in, size_t inlen, + void *out, size_t outlen) { - return blocking_notifier_call_chain(&intel_scu_notifier, v, p); + return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen, + inlen, out, outlen); } -#define SCU_AVAILABLE 1 -#define SCU_DOWN 2 +#include <asm/intel_scu_ipc_legacy.h> #endif diff --git a/arch/x86/include/asm/intel_scu_ipc_legacy.h b/arch/x86/include/asm/intel_scu_ipc_legacy.h new file mode 100644 index 000000000000..4cf13fecb673 --- /dev/null +++ b/arch/x86/include/asm/intel_scu_ipc_legacy.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_INTEL_SCU_IPC_LEGACY_H_ +#define _ASM_X86_INTEL_SCU_IPC_LEGACY_H_ + +#include <linux/notifier.h> + +#define IPCMSG_INDIRECT_READ 0x02 +#define IPCMSG_INDIRECT_WRITE 0x05 + +#define IPCMSG_COLD_OFF 0x80 /* Only for Tangier */ + +#define IPCMSG_WARM_RESET 0xF0 +#define IPCMSG_COLD_RESET 0xF1 +#define IPCMSG_SOFT_RESET 0xF2 +#define IPCMSG_COLD_BOOT 0xF3 + +#define IPCMSG_VRTC 0xFA /* Set vRTC device */ +/* Command id associated with message IPCMSG_VRTC */ +#define IPC_CMD_VRTC_SETTIME 1 /* Set time */ +#define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */ + +/* Don't call these in new code - they will be removed eventually */ + +/* Read single register */ +static inline int intel_scu_ipc_ioread8(u16 addr, u8 *data) +{ + return intel_scu_ipc_dev_ioread8(NULL, addr, data); +} + +/* Read a vector */ +static inline int intel_scu_ipc_readv(u16 *addr, u8 *data, int len) +{ + return intel_scu_ipc_dev_readv(NULL, addr, data, len); +} + +/* Write single register */ +static inline int intel_scu_ipc_iowrite8(u16 addr, u8 data) +{ + return intel_scu_ipc_dev_iowrite8(NULL, addr, data); +} + +/* Write a vector */ +static inline int intel_scu_ipc_writev(u16 *addr, u8 *data, int len) +{ + return intel_scu_ipc_dev_writev(NULL, addr, data, len); +} + +/* Update single register based on the mask */ +static inline int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask) +{ + return intel_scu_ipc_dev_update(NULL, addr, data, mask); +} + +/* Issue commands to the SCU with or without data */ +static inline int intel_scu_ipc_simple_command(int cmd, int sub) +{ + return intel_scu_ipc_dev_simple_command(NULL, cmd, sub); +} + +static inline int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, + u32 *out, int outlen) +{ + /* New API takes both inlen and outlen as bytes so convert here */ + size_t inbytes = inlen * sizeof(u32); + size_t outbytes = outlen * sizeof(u32); + + return intel_scu_ipc_dev_command_with_size(NULL, cmd, sub, in, inbytes, + inlen, out, outbytes); +} + +extern struct blocking_notifier_head intel_scu_notifier; + +static inline void intel_scu_notifier_add(struct notifier_block *nb) +{ + blocking_notifier_chain_register(&intel_scu_notifier, nb); +} + +static inline void intel_scu_notifier_remove(struct notifier_block *nb) +{ + blocking_notifier_chain_unregister(&intel_scu_notifier, nb); +} + +static inline int intel_scu_notifier_post(unsigned long v, void *p) +{ + return blocking_notifier_call_chain(&intel_scu_notifier, v, p); +} + +#define SCU_AVAILABLE 1 +#define SCU_DOWN 2 + +#endif diff --git a/arch/x86/include/asm/intel_telemetry.h b/arch/x86/include/asm/intel_telemetry.h index 2f77e31a1283..8046e70dfd7c 100644 --- a/arch/x86/include/asm/intel_telemetry.h +++ b/arch/x86/include/asm/intel_telemetry.h @@ -10,6 +10,8 @@ #define TELEM_MAX_EVENTS_SRAM 28 #define TELEM_MAX_OS_ALLOCATED_EVENTS 20 +#include <asm/intel_scu_ipc.h> + enum telemetry_unit { TELEM_PSS = 0, TELEM_IOSS, @@ -51,6 +53,8 @@ struct telemetry_plt_config { struct telemetry_unit_config ioss_config; struct mutex telem_trace_lock; struct mutex telem_lock; + struct intel_pmc_dev *pmc; + struct intel_scu_ipc_dev *scu; bool telem_in_use; }; @@ -92,7 +96,7 @@ int telemetry_set_pltdata(const struct telemetry_core_ops *ops, int telemetry_clear_pltdata(void); -int telemetry_pltconfig_valid(void); +struct telemetry_plt_config *telemetry_get_pltdata(void); int telemetry_get_evtname(enum telemetry_unit telem_unit, const char **name, int len); |