diff options
Diffstat (limited to 'arch/arm/mach-imx/imx8ulp/upower/upower_api.h')
-rw-r--r-- | arch/arm/mach-imx/imx8ulp/upower/upower_api.h | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8ulp/upower/upower_api.h b/arch/arm/mach-imx/imx8ulp/upower/upower_api.h new file mode 100644 index 0000000000..5cd7802a3d --- /dev/null +++ b/arch/arm/mach-imx/imx8ulp/upower/upower_api.h @@ -0,0 +1,258 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* + * Copyright 2020 NXP + */ + +enum soc_domain { + RTD_DOMAIN = 0, + APD_DOMAIN = 1, + UPWR_MAIN_DOMAINS, /* RTD, AVD */ + AVD_DOMAIN = UPWR_MAIN_DOMAINS, + UPWR_DOMAIN_COUNT, /* RTD, APD, AVD */ + PSD_DOMAIN = UPWR_DOMAIN_COUNT, + UPWR_ALL_DOMAINS /* RTD, APD, AVD, PSD */ +}; + +enum upwr_api_state { + UPWR_API_INIT_WAIT, /* waiting for ROM firmware initialization */ + UPWR_API_INITLZED, /* ROM firmware initialized */ + UPWR_API_START_WAIT, /* waiting for start services */ + UPWR_API_READY /* ready to receive service requests */ +}; + +enum upwr_sg { /* Service Groups in priority order, high to low */ + UPWR_SG_EXCEPT, /* 0 = exception */ + UPWR_SG_PWRMGMT, /* 1 = power management */ + UPWR_SG_DELAYM, /* 2 = delay measurement */ + UPWR_SG_VOLTM, /* 3 = voltage measurement */ + UPWR_SG_CURRM, /* 4 = current measurement */ + UPWR_SG_TEMPM, /* 5 = temperature measurement */ + UPWR_SG_DIAG, /* 6 = diagnostic */ + UPWR_SG_COUNT +}; + +enum upwr_xcp_f { /* Exception Functions */ + /* 0 = init msg (not a service request itself) */ + UPWR_XCP_INIT, + /* 0 = also ping request, since its response is an init msg */ + UPWR_XCP_PING = UPWR_XCP_INIT, + UPWR_XCP_START, /* 1 = service start: upwr_start (not a service request itself) */ + UPWR_XCP_SHUTDOWN, /* 2 = service shutdown: upwr_xcp_shutdown */ + UPWR_XCP_CONFIG, /* 3 = uPower configuration: upwr_xcp_config */ + UPWR_XCP_SW_ALARM, /* 4 = uPower software alarm: upwr_xcp_sw_alarm */ + UPWR_XCP_I2C, /* 5 = I2C access: upwr_xcp_i2c_access */ + UPWR_XCP_SPARE_6, /* 6 = spare */ + UPWR_XCP_SET_DDR_RETN, /* 7 = set/clear ddr retention */ + UPWR_XCP_SPARE_8, /* 8 = spare */ + UPWR_XCP_SPARE_9, /* 9 = spare */ + UPWR_XCP_SPARE_10, /* 10 = spare */ + UPWR_XCP_SPARE_11, /* 11 = spare */ + UPWR_XCP_SPARE_12, /* 12 = spare */ + UPWR_XCP_SPARE_13, /* 13 = spare */ + UPWR_XCP_SPARE_14, /* 14 = spare */ + UPWR_XCP_SPARE_15, /* 15 = spare */ + UPWR_XCP_F_COUNT +}; + +enum upwr_resp { /* response error codes */ + UPWR_RESP_OK = 0, /* no error */ + UPWR_RESP_SG_BUSY, /* service group is busy */ + UPWR_RESP_SHUTDOWN, /* services not up or shutting down */ + UPWR_RESP_BAD_REQ, /* invalid request */ + UPWR_RESP_BAD_STATE, /* system state doesn't allow perform the request */ + UPWR_RESP_UNINSTALLD, /* service or function not installed */ + UPWR_RESP_UNINSTALLED = + UPWR_RESP_UNINSTALLD, /* service or function not installed (alias) */ + UPWR_RESP_RESOURCE, /* resource not available */ + UPWR_RESP_TIMEOUT, /* service timeout */ + UPWR_RESP_COUNT +}; + +#define UPWR_SRVGROUP_BITS (4) +#define UPWR_FUNCTION_BITS (4) +#define UPWR_PWDOMAIN_BITS (4) +#define UPWR_HEADER_BITS (UPWR_SRVGROUP_BITS + UPWR_FUNCTION_BITS + UPWR_PWDOMAIN_BITS) +#define UPWR_ARG_BITS (32 - UPWR_HEADER_BITS) + +#define UPWR_DUAL_OFFSET_BITS ((UPWR_ARG_BITS + 32) >> 1) + +struct upwr_msg_hdr { + u32 domain :UPWR_PWDOMAIN_BITS; /* power domain */ + u32 srvgrp :UPWR_SRVGROUP_BITS; /* service group */ + u32 function :UPWR_FUNCTION_BITS; /* function */ + u32 arg :UPWR_ARG_BITS; /* function-specific argument */ +}; + +union upwr_down_1w_msg { + struct upwr_msg_hdr hdr; + u32 word; /* message first word */ +}; + +#define upwr_start_msg union upwr_down_1w_msg +#define upwr_xcp_ping_msg union upwr_down_1w_msg + +#define UPWR_RESP_ERR_BITS (4) +#define UPWR_RESP_HDR_BITS (UPWR_RESP_ERR_BITS + \ + UPWR_SRVGROUP_BITS + UPWR_FUNCTION_BITS) +#define UPWR_RESP_RET_BITS (32 - UPWR_RESP_HDR_BITS) + +struct upwr_resp_hdr { + u32 errcode :UPWR_RESP_ERR_BITS; + u32 srvgrp :UPWR_SRVGROUP_BITS; /* service group */ + u32 function:UPWR_FUNCTION_BITS; + u32 ret :UPWR_RESP_RET_BITS; /* return value, if any */ +}; + +struct upwr_up_2w_msg { + struct upwr_resp_hdr hdr; + u32 word2; /* message second word */ +}; + +#define upwr_up_max_msg struct upwr_up_2w_msg + +union upwr_2pointer_msg { + struct upwr_msg_hdr hdr; + struct { + u64:UPWR_HEADER_BITS; + u64 ptr0:UPWR_DUAL_OFFSET_BITS; + u64 ptr1:UPWR_DUAL_OFFSET_BITS; + } ptrs; +}; + +#define upwr_pwm_pwron_msg union upwr_2pointer_msg + +struct upwr_pointer_msg { + struct upwr_msg_hdr hdr; + u32 ptr; /* config struct offset */ +}; + +struct upwr_i2c_access { /* structure pointed by message upwr_xcp_i2c_msg */ + u16 addr; + s8 data_size; + u8 subaddr_size; + u32 subaddr; + u32 data; +}; + +enum upwr_req_status { + UPWR_REQ_OK, /* request succeeded */ + UPWR_REQ_ERR, /* request failed */ + UPWR_REQ_BUSY /* request execution ongoing */ +}; + +#define UPWR_SOC_BITS (7) +#define UPWR_VMINOR_BITS (4) +#define UPWR_VFIXES_BITS (4) +#define UPWR_VMAJOR_BITS \ + (32 - UPWR_HEADER_BITS - UPWR_SOC_BITS - UPWR_VMINOR_BITS - UPWR_VFIXES_BITS) +union upwr_init_msg { + struct upwr_resp_hdr hdr; + struct { + u32 rsv:UPWR_RESP_HDR_BITS; + u32 soc:UPWR_SOC_BITS; /* SoC identification */ + u32 vmajor:UPWR_VMAJOR_BITS; /* firmware major version */ + u32 vminor:UPWR_VMINOR_BITS; /* firmware minor version */ + u32 vfixes:UPWR_VFIXES_BITS; /* firmware fixes version */ + } args; +}; + +#define UPWR_RAM_VMINOR_BITS (7) +#define UPWR_RAM_VFIXES_BITS (6) +#define UPWR_RAM_VMAJOR_BITS (32 - UPWR_HEADER_BITS - UPWR_RAM_VFIXES_BITS - UPWR_RAM_VMINOR_BITS) + +union upwr_ready_msg { + struct upwr_resp_hdr hdr; + struct { + u32 rsv:UPWR_RESP_HDR_BITS; + u32 vmajor:UPWR_RAM_VMAJOR_BITS; /* RAM fw major version */ + u32 vminor:UPWR_RAM_VMINOR_BITS; /* RAM fw minor version */ + u32 vfixes:UPWR_RAM_VFIXES_BITS; /* RAM fw fixes version */ + } args; +}; + +struct upwr_reg_access_t { + u32 addr; + u32 data; + u32 mask; /* mask=0 commands read */ +}; + +union upwr_xcp_union { + struct upwr_reg_access_t reg_access; +}; + +enum { /* Power Management Functions */ + UPWR_PWM_REGCFG, /* 0 = regulator config: upwr_pwm_reg_config */ + UPWR_PWM_DEVMODE = UPWR_PWM_REGCFG, /* deprecated, for old compile */ + UPWR_PWM_VOLT, /* 1 = voltage change: upwr_pwm_chng_reg_voltage */ + UPWR_PWM_SWITCH, /* 2 = switch control: upwr_pwm_chng_switch_mem */ + UPWR_PWM_PWR_ON, /* 3 = switch/RAM/ROM power on: upwr_pwm_power_on */ + UPWR_PWM_PWR_OFF, /* 4 = switch/RAM/ROM power off: upwr_pwm_power_off */ + UPWR_PWM_RETAIN, /* 5 = retain memory array: upwr_pwm_mem_retain */ + UPWR_PWM_DOM_BIAS, /* 6 = Domain bias control: upwr_pwm_chng_dom_bias */ + UPWR_PWM_MEM_BIAS, /* 7 = Memory bias control: upwr_pwm_chng_mem_bias */ + UPWR_PWM_PMICCFG, /* 8 = PMIC configuration: upwr_pwm_pmic_config */ + UPWR_PWM_PMICMOD = UPWR_PWM_PMICCFG, /* deprecated, for old compile */ + UPWR_PWM_PES, /* 9 = Power Event Sequencer */ + UPWR_PWM_CONFIG, /* 10= apply power mode defined configuration */ + UPWR_PWM_CFGPTR, /* 11= configuration pointer */ + UPWR_PWM_DOM_PWRON, /* 12 = domain power on: upwr_pwm_dom_power_on */ + UPWR_PWM_BOOT, /* 13 = boot start: upwr_pwm_boot_start */ + UPWR_PWM_FREQ, /* 14 = domain frequency setup */ + UPWR_PWM_PARAM, /* 15 = power management parameters */ + UPWR_PWM_F_COUNT +}; + +#ifndef UPWR_PMC_SWT_WORDS +#define UPWR_PMC_SWT_WORDS (1) +#endif + +#ifndef UPWR_PMC_MEM_WORDS +#define UPWR_PMC_MEM_WORDS (2) +#endif + +#define UPWR_API_ASSERT(c) do { } while (0) + +struct upwr_code_vers { + u32 soc_id; + u32 vmajor; + u32 vminor; + u32 vfixes; +}; + +#define UPWR_MU_MSG_SIZE (2) + +#define UPWR_MU_TSR_EMPTY ((u32)((1 << UPWR_MU_MSG_SIZE) - 1)) + +#ifndef UPWR_DRAM_SHARED_BASE_ADDR +#define UPWR_DRAM_SHARED_BASE_ADDR (0x28330000) +#endif + +#ifndef UPWR_DRAM_SHARED_SIZE +#define UPWR_DRAM_SHARED_SIZE (2048) +#endif + +#define UPWR_DRAM_SHARED_ENDPLUS (UPWR_DRAM_SHARED_BASE_ADDR + UPWR_DRAM_SHARED_SIZE) + +#ifndef UPWR_API_BUFFER_BASE +#define UPWR_API_BUFFER_BASE (0x28330600) +#endif + +#ifndef UPWR_API_BUFFER_ENDPLUS +#define UPWR_API_BUFFER_ENDPLUS (UPWR_DRAM_SHARED_ENDPLUS - 64) +#endif + +typedef void (*upwr_rdy_callb)(u32 vmajor, u32 vminor, u32 vfixes); +typedef void (*upwr_callb)(enum upwr_sg sg, u32 func, enum upwr_resp errcode, int ret); +int upwr_init(enum soc_domain domain, struct mu_type *muptr); +int upwr_start(u32 launchopt, const upwr_rdy_callb rdycallb); +u32 upwr_rom_version(u32 *vmajor, u32 *vminor, u32 *vfixes); +typedef void (*UPWR_RX_CALLB_FUNC_T)(void); + +int upwr_xcp_set_ddr_retention(enum soc_domain domain, u32 enable, const upwr_callb callb); +int upwr_pwm_power_on(const u32 swton[], const u32 memon[], upwr_callb callb); +int upwr_xcp_i2c_access(u16 addr, s8 data_size, u8 subaddr_size, u32 subaddr, + u32 wdata, const upwr_callb callb); +enum upwr_req_status upwr_poll_req_status(enum upwr_sg sg, u32 *sgfptr, + enum upwr_resp *errptr, int *retptr, + u32 attempts); +void upwr_txrx_isr(void); |