diff options
Diffstat (limited to 'src/acpi')
| -rw-r--r-- | src/acpi/acpigen_dptf.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/acpi/acpigen_dptf.c b/src/acpi/acpigen_dptf.c index 88cf386bc8..c18caf673e 100644 --- a/src/acpi/acpigen_dptf.c +++ b/src/acpi/acpigen_dptf.c @@ -7,6 +7,8 @@ #define TOPLEVEL_DPTF_SCOPE "\\_SB.DPTF" /* Defaults */ +#define DEFAULT_RAW_UNIT "ma" + enum { ART_REVISION = 0, DEFAULT_PRIORITY = 100, @@ -280,3 +282,42 @@ void dptf_write_critical_policies(const struct dptf_critical_policy *policies, i acpigen_pop_len(); /* Scope */ } } + +void dptf_write_charger_perf(const struct dptf_charger_perf *states, int max_count) +{ + char *pkg_count; + int i; + + if (!max_count || !states[0].control) + return; + + dptf_write_scope(DPTF_CHARGER); + + /* PPSS - Participant Performance Supported States */ + acpigen_write_method("PPSS", 0); + acpigen_emit_byte(RETURN_OP); + + pkg_count = acpigen_write_package(0); + for (i = 0; i < max_count; ++i) { + if (!states[i].control) + break; + + (*pkg_count)++; + + /* + * 0, 0, 0, 0, # Reserved + * Control, Raw Performance, Raw Unit, 0 # Reserved + */ + acpigen_write_package(8); + write_zeros(4); + acpigen_write_integer(states[i].control); + acpigen_write_integer(states[i].raw_perf); + acpigen_write_string(DEFAULT_RAW_UNIT); + acpigen_write_integer(0); + acpigen_pop_len(); /* inner Package */ + } + + acpigen_pop_len(); /* outer Package */ + acpigen_pop_len(); /* Method PPSS */ + acpigen_pop_len(); /* Scope */ +} |