diff --git a/src/add-ons/kernel/drivers/power/acpi_button/acpi_button.c b/src/add-ons/kernel/drivers/power/acpi_button/acpi_button.c index d81580326c..9294ae8044 100644 --- a/src/add-ons/kernel/drivers/power/acpi_button/acpi_button.c +++ b/src/add-ons/kernel/drivers/power/acpi_button/acpi_button.c @@ -37,6 +37,15 @@ uninit_driver (void) static status_t acpi_button_open (const char *name, uint32 flags, void** cookie) { + if (strcmp(name,"power/button/power") == 0) { + *cookie = (void *)ACPI_BITREG_POWER_BUTTON_STATUS; + acpi->write_acpi_reg(ACPI_BITREG_POWER_BUTTON_ENABLE,0); + } else if (strcmp(name,"power/button/sleep") == 0) { + *cookie = (void *)ACPI_BITREG_SLEEP_BUTTON_STATUS; + acpi->write_acpi_reg(ACPI_BITREG_SLEEP_BUTTON_ENABLE,0); + } else { + return B_ERROR; + } return B_OK; } @@ -48,8 +57,13 @@ acpi_button_open (const char *name, uint32 flags, void** cookie) static status_t acpi_button_read (void* cookie, off_t position, void *buf, size_t* num_bytes) { - *num_bytes = 0; /* tell caller nothing was read */ - return B_IO_ERROR; + if (*num_bytes < 1) + return B_IO_ERROR; + + *((uint8 *)(buf)) = acpi->read_acpi_reg((uint32)(cookie)); + acpi->write_acpi_reg((uint32)(cookie),0); //--- Clear sticky status reg + *num_bytes = 1; + return B_OK; } @@ -60,8 +74,12 @@ acpi_button_read (void* cookie, off_t position, void *buf, size_t* num_bytes) static status_t acpi_button_write (void* cookie, off_t position, const void* buffer, size_t* num_bytes) { - *num_bytes = 0; /* tell caller nothing was written */ - return B_IO_ERROR; + if (*num_bytes < 1) + return B_IO_ERROR; + + acpi->write_acpi_reg((uint32)(cookie),*((uint8 *)(buffer))); + *num_bytes = 1; + return B_OK; } @@ -72,21 +90,7 @@ acpi_button_write (void* cookie, off_t position, const void* buffer, size_t* num static status_t acpi_button_control (void* cookie, uint32 op, void* arg, size_t len) { - switch (op) { - case ~ACPI_BITREG_POWER_BUTTON_ENABLE: - case ~ACPI_BITREG_SLEEP_BUTTON_ENABLE: - case ~ACPI_BITREG_POWER_BUTTON_STATUS: - case ~ACPI_BITREG_SLEEP_BUTTON_STATUS: - acpi->write_acpi_reg(~op,*((uint32 *)(arg))); - break; - case ACPI_BITREG_POWER_BUTTON_STATUS: - case ACPI_BITREG_SLEEP_BUTTON_STATUS: - *((uint32 *)(arg)) = acpi->read_acpi_reg(op); - break; - default: - return B_ERROR; - } - return B_OK; + return B_ERROR; } @@ -97,6 +101,10 @@ acpi_button_control (void* cookie, uint32 op, void* arg, size_t len) static status_t acpi_button_close (void* cookie) { + if ((uint32)(cookie) == ACPI_BITREG_POWER_BUTTON_STATUS) + acpi->write_acpi_reg(ACPI_BITREG_POWER_BUTTON_ENABLE,1); + else if ((uint32)(cookie) == ACPI_BITREG_SLEEP_BUTTON_STATUS) + acpi->write_acpi_reg(ACPI_BITREG_SLEEP_BUTTON_ENABLE,1); return B_OK; } @@ -117,7 +125,8 @@ acpi_button_free (void* cookie) ----- */ static const char *acpi_button_name[] = { - "power/acpi_button", + "power/button/power", + "power/button/sleep", NULL };