| /* |
| * Definitions for talking to the PMU. The PMU is a microcontroller |
| * which controls battery charging and system power on PowerBook 3400 |
| * and 2400 models as well as the RTC and various other things. |
| * |
| * Copyright (C) 1998 Paul Mackerras. |
| * Copyright (C) 2016 Ben Herrenschmidt |
| */ |
| |
| #ifndef PMU_H |
| #define PMU_H |
| |
| #include "hw/input/adb.h" |
| #include "hw/misc/mos6522.h" |
| #include "hw/misc/macio/gpio.h" |
| #include "qom/object.h" |
| |
| /* |
| * PMU commands |
| */ |
| |
| #define PMU_POWER_CTRL0 0x10 /* control power of some devices */ |
| #define PMU_POWER_CTRL 0x11 /* control power of some devices */ |
| #define PMU_ADB_CMD 0x20 /* send ADB packet */ |
| #define PMU_ADB_POLL_OFF 0x21 /* disable ADB auto-poll */ |
| #define PMU_WRITE_NVRAM 0x33 /* write non-volatile RAM */ |
| #define PMU_READ_NVRAM 0x3b /* read non-volatile RAM */ |
| #define PMU_SET_RTC 0x30 /* set real-time clock */ |
| #define PMU_READ_RTC 0x38 /* read real-time clock */ |
| #define PMU_SET_VOLBUTTON 0x40 /* set volume up/down position */ |
| #define PMU_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */ |
| #define PMU_GET_VOLBUTTON 0x48 /* get volume up/down position */ |
| #define PMU_PCEJECT 0x4c /* eject PC-card from slot */ |
| #define PMU_BATTERY_STATE 0x6b /* report battery state etc. */ |
| #define PMU_SMART_BATTERY_STATE 0x6f /* report battery state (new way) */ |
| #define PMU_SET_INTR_MASK 0x70 /* set PMU interrupt mask */ |
| #define PMU_INT_ACK 0x78 /* read interrupt bits */ |
| #define PMU_SHUTDOWN 0x7e /* turn power off */ |
| #define PMU_CPU_SPEED 0x7d /* control CPU speed on some models */ |
| #define PMU_SLEEP 0x7f /* put CPU to sleep */ |
| #define PMU_POWER_EVENTS 0x8f /* Send power-event commands to PMU */ |
| #define PMU_I2C_CMD 0x9a /* I2C operations */ |
| #define PMU_RESET 0xd0 /* reset CPU */ |
| #define PMU_GET_BRIGHTBUTTON 0xd9 /* report brightness up/down pos */ |
| #define PMU_GET_COVER 0xdc /* report cover open/closed */ |
| #define PMU_SYSTEM_READY 0xdf /* tell PMU we are awake */ |
| #define PMU_DOWNLOAD_STATUS 0xe2 /* Called by MacOS during boot... */ |
| #define PMU_READ_PMU_RAM 0xe8 /* read the PMU RAM... ??? */ |
| #define PMU_GET_VERSION 0xea /* read the PMU version */ |
| |
| /* Bits to use with the PMU_POWER_CTRL0 command */ |
| #define PMU_POW0_ON 0x80 /* OR this to power ON the device */ |
| #define PMU_POW0_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ |
| #define PMU_POW0_HARD_DRIVE 0x04 /* Hard drive power |
| * (on wallstreet/lombard ?) */ |
| |
| /* Bits to use with the PMU_POWER_CTRL command */ |
| #define PMU_POW_ON 0x80 /* OR this to power ON the device */ |
| #define PMU_POW_OFF 0x00 /* leave bit 7 to 0 to power it OFF */ |
| #define PMU_POW_BACKLIGHT 0x01 /* backlight power */ |
| #define PMU_POW_CHARGER 0x02 /* battery charger power */ |
| #define PMU_POW_IRLED 0x04 /* IR led power (on wallstreet) */ |
| #define PMU_POW_MEDIABAY 0x08 /* media bay power |
| * (wallstreet/lombard ?) */ |
| |
| /* Bits in PMU interrupt and interrupt mask bytes */ |
| #define PMU_INT_PCEJECT 0x04 /* PC-card eject buttons */ |
| #define PMU_INT_SNDBRT 0x08 /* sound/brightness up/down buttons */ |
| #define PMU_INT_ADB 0x10 /* ADB autopoll or reply data */ |
| #define PMU_INT_BATTERY 0x20 /* Battery state change */ |
| #define PMU_INT_ENVIRONMENT 0x40 /* Environment interrupts */ |
| #define PMU_INT_TICK 0x80 /* 1-second tick interrupt */ |
| |
| /* Other bits in PMU interrupt valid when PMU_INT_ADB is set */ |
| #define PMU_INT_ADB_AUTO 0x04 /* ADB autopoll, when PMU_INT_ADB */ |
| #define PMU_INT_WAITING_CHARGER 0x01 /* ??? */ |
| #define PMU_INT_AUTO_SRQ_POLL 0x02 /* ??? */ |
| |
| /* Bits in the environment message (either obtained via PMU_GET_COVER, |
| * or via PMU_INT_ENVIRONMENT on core99 */ |
| #define PMU_ENV_LID_CLOSED 0x01 /* The lid is closed */ |
| |
| /* I2C related definitions */ |
| #define PMU_I2C_MODE_SIMPLE 0 |
| #define PMU_I2C_MODE_STDSUB 1 |
| #define PMU_I2C_MODE_COMBINED 2 |
| |
| #define PMU_I2C_BUS_STATUS 0 |
| #define PMU_I2C_BUS_SYSCLK 1 |
| #define PMU_I2C_BUS_POWER 2 |
| |
| #define PMU_I2C_STATUS_OK 0 |
| #define PMU_I2C_STATUS_DATAREAD 1 |
| #define PMU_I2C_STATUS_BUSY 0xfe |
| |
| /* Kind of PMU (model) */ |
| enum { |
| PMU_UNKNOWN, |
| PMU_OHARE_BASED, /* 2400, 3400, 3500 (old G3 powerbook) */ |
| PMU_HEATHROW_BASED, /* PowerBook G3 series */ |
| PMU_PADDINGTON_BASED, /* 1999 PowerBook G3 */ |
| PMU_KEYLARGO_BASED, /* Core99 motherboard (PMU99) */ |
| PMU_68K_V1, /* 68K PMU, version 1 */ |
| PMU_68K_V2, /* 68K PMU, version 2 */ |
| }; |
| |
| /* PMU PMU_POWER_EVENTS commands */ |
| enum { |
| PMU_PWR_GET_POWERUP_EVENTS = 0x00, |
| PMU_PWR_SET_POWERUP_EVENTS = 0x01, |
| PMU_PWR_CLR_POWERUP_EVENTS = 0x02, |
| PMU_PWR_GET_WAKEUP_EVENTS = 0x03, |
| PMU_PWR_SET_WAKEUP_EVENTS = 0x04, |
| PMU_PWR_CLR_WAKEUP_EVENTS = 0x05, |
| }; |
| |
| /* Power events wakeup bits */ |
| enum { |
| PMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */ |
| PMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */ |
| PMU_PWR_WAKEUP_AC_CHANGE = 0x04, |
| PMU_PWR_WAKEUP_LID_OPEN = 0x08, |
| PMU_PWR_WAKEUP_RING = 0x10, |
| }; |
| |
| /* |
| * This table indicates for each PMU opcode: |
| * - the number of data bytes to be sent with the command, or -1 |
| * if a length byte should be sent, |
| * - the number of response bytes which the PMU will return, or |
| * -1 if it will send a length byte. |
| */ |
| |
| static const int8_t pmu_data_len[256][2] = { |
| /* 0 1 2 3 4 5 6 7 */ |
| {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| {-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| { 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, 1},{ 0, 1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{ 0, 0}, |
| {-1, 0},{ 0, 0},{ 2, 0},{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, -1},{ 0, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{ 0, -1}, |
| { 4, 0},{20, 0},{-1, 0},{ 3, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, 4},{ 0, 20},{ 2, -1},{ 2, 1},{ 3, -1},{-1, -1},{-1, -1},{ 4, 0}, |
| { 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, 1},{ 0, 1},{-1, -1},{ 1, 0},{ 1, 0},{-1, -1},{-1, -1},{-1, -1}, |
| { 1, 0},{ 0, 0},{ 2, 0},{ 2, 0},{-1, 0},{ 1, 0},{ 3, 0},{ 1, 0}, |
| { 0, 1},{ 1, 0},{ 0, 2},{ 0, 2},{ 0, -1},{-1, -1},{-1, -1},{-1, -1}, |
| { 2, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, 3},{ 0, 3},{ 0, 2},{ 0, 8},{ 0, -1},{ 0, -1},{-1, -1},{-1, -1}, |
| { 1, 0},{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, -1},{ 0, -1},{-1, -1},{-1, -1},{-1, -1},{ 5, 1},{ 4, 1},{ 4, 1}, |
| { 4, 0},{-1, 0},{ 0, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, 5},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| { 1, 0},{ 2, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 0, 1},{ 0, 1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| { 2, 0},{ 2, 0},{ 2, 0},{ 4, 0},{-1, 0},{ 0, 0},{-1, 0},{-1, 0}, |
| { 1, 1},{ 1, 0},{ 3, 0},{ 2, 0},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| {-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| {-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| { 0, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| { 1, 1},{ 1, 1},{-1, -1},{-1, -1},{ 0, 1},{ 0, -1},{-1, -1},{-1, -1}, |
| {-1, 0},{ 4, 0},{ 0, 1},{-1, 0},{-1, 0},{ 4, 0},{-1, 0},{-1, 0}, |
| { 3, -1},{-1, -1},{ 0, 1},{-1, -1},{ 0, -1},{-1, -1},{-1, -1},{ 0, 0}, |
| {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, |
| {-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1},{-1, -1}, |
| }; |
| |
| /* Command protocol state machine */ |
| typedef enum { |
| pmu_state_idle, /* Waiting for command */ |
| pmu_state_cmd, /* Receiving command */ |
| pmu_state_rsp, /* Responding to command */ |
| } PMUCmdState; |
| |
| /* MOS6522 PMU */ |
| struct MOS6522PMUState { |
| /*< private >*/ |
| MOS6522State parent_obj; |
| }; |
| |
| #define TYPE_MOS6522_PMU "mos6522-pmu" |
| OBJECT_DECLARE_SIMPLE_TYPE(MOS6522PMUState, MOS6522_PMU) |
| /** |
| * PMUState: |
| * @last_b: last value of B register |
| */ |
| |
| struct PMUState { |
| /*< private >*/ |
| SysBusDevice parent_obj; |
| /*< public >*/ |
| |
| MemoryRegion mem; |
| uint64_t frequency; |
| |
| /* PMU state */ |
| MOS6522PMUState mos6522_pmu; |
| |
| /* PMU low level protocol state */ |
| PMUCmdState cmd_state; |
| uint8_t last_b; |
| uint8_t cmd; |
| uint32_t cmdlen; |
| uint32_t rsplen; |
| uint8_t cmd_buf_pos; |
| uint8_t cmd_buf[128]; |
| uint8_t cmd_rsp_pos; |
| uint8_t cmd_rsp_sz; |
| uint8_t cmd_rsp[128]; |
| |
| /* PMU events/interrupts */ |
| uint8_t intbits; |
| uint8_t intmask; |
| |
| /* ADB */ |
| bool has_adb; |
| ADBBusState adb_bus; |
| uint8_t adb_reply_size; |
| uint8_t adb_reply[ADB_MAX_OUT_LEN]; |
| |
| /* RTC */ |
| uint32_t tick_offset; |
| QEMUTimer *one_sec_timer; |
| int64_t one_sec_target; |
| |
| /* GPIO */ |
| MacIOGPIOState *gpio; |
| }; |
| |
| #define TYPE_VIA_PMU "via-pmu" |
| OBJECT_DECLARE_SIMPLE_TYPE(PMUState, VIA_PMU) |
| |
| #endif /* PMU_H */ |
