ACPICA: Add 64-bit support to acpi_read and acpi_write
Needed by drivers for new ACPi tables. Internal versions of these functions still use 32-bit max transfers, in order to minimize disruption and stack use for the standard ACPI registers (FADT-based). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
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f8d80cdf40
commit
c6b5774caa
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@ -62,6 +62,14 @@ u32 acpi_hw_get_mode(void);
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/*
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* hwregs - ACPI Register I/O
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*/
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acpi_status
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acpi_hw_validate_register(struct acpi_generic_address *reg,
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u8 max_bit_width, u64 *address);
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acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg);
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acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg);
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struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
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acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);
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@ -424,8 +424,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
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/* Read the Status Register */
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status =
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acpi_read(&status_reg,
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&gpe_register_info->status_address);
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acpi_hw_read(&status_reg,
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&gpe_register_info->status_address);
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if (ACPI_FAILURE(status)) {
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goto unlock_and_exit;
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}
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@ -433,8 +433,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
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/* Read the Enable Register */
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status =
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acpi_read(&enable_reg,
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&gpe_register_info->enable_address);
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acpi_hw_read(&enable_reg,
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&gpe_register_info->enable_address);
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if (ACPI_FAILURE(status)) {
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goto unlock_and_exit;
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}
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@ -843,14 +843,14 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
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/* Disable all GPEs within this register */
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status = acpi_write(0x00, &this_register->enable_address);
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status = acpi_hw_write(0x00, &this_register->enable_address);
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if (ACPI_FAILURE(status)) {
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goto error_exit;
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}
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/* Clear any pending GPE events within this register */
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status = acpi_write(0xFF, &this_register->status_address);
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status = acpi_hw_write(0xFF, &this_register->status_address);
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if (ACPI_FAILURE(status)) {
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goto error_exit;
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}
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@ -82,7 +82,7 @@ acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
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/* Get current value of the enable register that contains this GPE */
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status = acpi_read(&enable_mask, &gpe_register_info->enable_address);
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status = acpi_hw_read(&enable_mask, &gpe_register_info->enable_address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -95,7 +95,7 @@ acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
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/* Write the updated enable mask */
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status = acpi_write(enable_mask, &gpe_register_info->enable_address);
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status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
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return (status);
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}
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@ -130,8 +130,8 @@ acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
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/* Write the entire GPE (runtime) enable register */
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status = acpi_write(gpe_register_info->enable_for_run,
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&gpe_register_info->enable_address);
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status = acpi_hw_write(gpe_register_info->enable_for_run,
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&gpe_register_info->enable_address);
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return (status);
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}
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@ -163,8 +163,8 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
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* Write a one to the appropriate bit in the status register to
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* clear this GPE.
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*/
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status = acpi_write(register_bit,
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&gpe_event_info->register_info->status_address);
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status = acpi_hw_write(register_bit,
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&gpe_event_info->register_info->status_address);
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return (status);
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}
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@ -222,7 +222,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
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/* GPE currently active (status bit == 1)? */
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status = acpi_read(&in_byte, &gpe_register_info->status_address);
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status = acpi_hw_read(&in_byte, &gpe_register_info->status_address);
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if (ACPI_FAILURE(status)) {
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goto unlock_and_exit;
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}
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@ -266,8 +266,8 @@ acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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/* Disable all GPEs in this register */
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status =
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acpi_write(0x00,
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&gpe_block->register_info[i].enable_address);
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acpi_hw_write(0x00,
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&gpe_block->register_info[i].enable_address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -303,8 +303,8 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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/* Clear status on all GPEs in this register */
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status =
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acpi_write(0xFF,
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&gpe_block->register_info[i].status_address);
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acpi_hw_write(0xFF,
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&gpe_block->register_info[i].status_address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -345,9 +345,9 @@ acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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/* Enable all "runtime" GPEs in this register */
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status = acpi_write(gpe_block->register_info[i].enable_for_run,
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&gpe_block->register_info[i].
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enable_address);
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status =
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acpi_hw_write(gpe_block->register_info[i].enable_for_run,
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&gpe_block->register_info[i].enable_address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -387,9 +387,9 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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/* Enable all "wake" GPEs in this register */
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status = acpi_write(gpe_block->register_info[i].enable_for_wake,
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&gpe_block->register_info[i].
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enable_address);
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status =
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acpi_hw_write(gpe_block->register_info[i].enable_for_wake,
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&gpe_block->register_info[i].enable_address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -62,6 +62,184 @@ acpi_hw_write_multiple(u32 value,
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struct acpi_generic_address *register_a,
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struct acpi_generic_address *register_b);
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/******************************************************************************
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*
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* FUNCTION: acpi_hw_validate_register
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*
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* PARAMETERS: Reg - GAS register structure
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* max_bit_width - Max bit_width supported (32 or 64)
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* Address - Pointer to where the gas->address
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* is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Validate the contents of a GAS register. Checks the GAS
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* pointer, Address, space_id, bit_width, and bit_offset.
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*
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******************************************************************************/
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acpi_status
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acpi_hw_validate_register(struct acpi_generic_address *reg,
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u8 max_bit_width, u64 *address)
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{
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/* Must have a valid pointer to a GAS structure */
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if (!reg) {
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return (AE_BAD_PARAMETER);
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}
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/*
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* Copy the target address. This handles possible alignment issues.
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* Address must not be null. A null address also indicates an optional
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* ACPI register that is not supported, so no error message.
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*/
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ACPI_MOVE_64_TO_64(address, ®->address);
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if (!(*address)) {
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return (AE_BAD_ADDRESS);
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}
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/* Validate the space_iD */
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if ((reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
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(reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
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ACPI_ERROR((AE_INFO,
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"Unsupported address space: 0x%X", reg->space_id));
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return (AE_SUPPORT);
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}
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/* Validate the bit_width */
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if ((reg->bit_width != 8) &&
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(reg->bit_width != 16) &&
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(reg->bit_width != 32) && (reg->bit_width != max_bit_width)) {
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ACPI_ERROR((AE_INFO,
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"Unsupported register bit width: 0x%X",
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reg->bit_width));
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return (AE_SUPPORT);
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}
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/* Validate the bit_offset. Just a warning for now. */
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if (reg->bit_offset != 0) {
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ACPI_WARNING((AE_INFO,
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"Unsupported register bit offset: 0x%X",
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reg->bit_offset));
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}
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: acpi_hw_read
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*
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* PARAMETERS: Value - Where the value is returned
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* Reg - GAS register structure
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*
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* RETURN: Status
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*
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* DESCRIPTION: Read from either memory or IO space. This is a 32-bit max
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* version of acpi_read, used internally since the overhead of
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* 64-bit values is not needed.
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*
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* LIMITATIONS: <These limitations also apply to acpi_hw_write>
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* bit_width must be exactly 8, 16, or 32.
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* space_iD must be system_memory or system_iO.
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* bit_offset and access_width are currently ignored, as there has
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* not been a need to implement these.
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*
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******************************************************************************/
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acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg)
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{
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u64 address;
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acpi_status status;
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ACPI_FUNCTION_NAME(hw_read);
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/* Validate contents of the GAS register */
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status = acpi_hw_validate_register(reg, 32, &address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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/* Initialize entire 32-bit return value to zero */
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*value = 0;
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/*
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* Two address spaces supported: Memory or IO. PCI_Config is
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* not supported here because the GAS structure is insufficient
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*/
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if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
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status = acpi_os_read_memory((acpi_physical_address)
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address, value, reg->bit_width);
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} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
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status = acpi_hw_read_port((acpi_io_address)
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address, value, reg->bit_width);
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}
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ACPI_DEBUG_PRINT((ACPI_DB_IO,
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"Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
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*value, reg->bit_width, ACPI_FORMAT_UINT64(address),
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acpi_ut_get_region_name(reg->space_id)));
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return (status);
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}
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/******************************************************************************
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*
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* FUNCTION: acpi_hw_write
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*
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* PARAMETERS: Value - Value to be written
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* Reg - GAS register structure
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*
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* RETURN: Status
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*
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* DESCRIPTION: Write to either memory or IO space. This is a 32-bit max
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* version of acpi_write, used internally since the overhead of
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* 64-bit values is not needed.
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*
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******************************************************************************/
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acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg)
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{
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u64 address;
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acpi_status status;
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ACPI_FUNCTION_NAME(hw_write);
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/* Validate contents of the GAS register */
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status = acpi_hw_validate_register(reg, 32, &address);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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/*
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* Two address spaces supported: Memory or IO. PCI_Config is
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* not supported here because the GAS structure is insufficient
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*/
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if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
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status = acpi_os_write_memory((acpi_physical_address)
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address, value, reg->bit_width);
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} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
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status = acpi_hw_write_port((acpi_io_address)
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address, value, reg->bit_width);
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}
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ACPI_DEBUG_PRINT((ACPI_DB_IO,
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"Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
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value, reg->bit_width, ACPI_FORMAT_UINT64(address),
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acpi_ut_get_region_name(reg->space_id)));
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return (status);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_hw_clear_acpi_status
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@ -152,15 +330,16 @@ acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control)
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ACPI_FUNCTION_TRACE(hw_write_pm1_control);
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status = acpi_write(pm1a_control, &acpi_gbl_FADT.xpm1a_control_block);
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status =
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acpi_hw_write(pm1a_control, &acpi_gbl_FADT.xpm1a_control_block);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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if (acpi_gbl_FADT.xpm1b_control_block.address) {
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status =
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acpi_write(pm1b_control,
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&acpi_gbl_FADT.xpm1b_control_block);
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acpi_hw_write(pm1b_control,
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&acpi_gbl_FADT.xpm1b_control_block);
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}
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return_ACPI_STATUS(status);
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}
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@ -218,12 +397,13 @@ acpi_hw_register_read(u32 register_id, u32 * return_value)
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case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
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status = acpi_read(&value, &acpi_gbl_FADT.xpm2_control_block);
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status =
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acpi_hw_read(&value, &acpi_gbl_FADT.xpm2_control_block);
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break;
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case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
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status = acpi_read(&value, &acpi_gbl_FADT.xpm_timer_block);
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status = acpi_hw_read(&value, &acpi_gbl_FADT.xpm_timer_block);
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break;
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case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
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@ -340,7 +520,8 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
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* as per the ACPI spec.
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*/
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status =
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acpi_read(&read_value, &acpi_gbl_FADT.xpm2_control_block);
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acpi_hw_read(&read_value,
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&acpi_gbl_FADT.xpm2_control_block);
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if (ACPI_FAILURE(status)) {
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goto exit;
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}
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@ -350,12 +531,13 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
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ACPI_INSERT_BITS(value, ACPI_PM2_CONTROL_PRESERVED_BITS,
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read_value);
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status = acpi_write(value, &acpi_gbl_FADT.xpm2_control_block);
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status =
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acpi_hw_write(value, &acpi_gbl_FADT.xpm2_control_block);
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break;
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case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
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status = acpi_write(value, &acpi_gbl_FADT.xpm_timer_block);
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status = acpi_hw_write(value, &acpi_gbl_FADT.xpm_timer_block);
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break;
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case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
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@ -401,7 +583,7 @@ acpi_hw_read_multiple(u32 *value,
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/* The first register is always required */
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status = acpi_read(&value_a, register_a);
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status = acpi_hw_read(&value_a, register_a);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -409,7 +591,7 @@ acpi_hw_read_multiple(u32 *value,
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/* Second register is optional */
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if (register_b->address) {
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status = acpi_read(&value_b, register_b);
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status = acpi_hw_read(&value_b, register_b);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -452,7 +634,7 @@ acpi_hw_write_multiple(u32 value,
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/* The first register is always required */
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status = acpi_write(value, register_a);
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status = acpi_hw_write(value, register_a);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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@ -470,7 +652,7 @@ acpi_hw_write_multiple(u32 value,
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* and writes have no side effects"
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*/
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if (register_b->address) {
|
||||
status = acpi_write(value, register_b);
|
||||
status = acpi_hw_write(value, register_b);
|
||||
}
|
||||
|
||||
return (status);
|
||||
|
|
|
@ -100,7 +100,7 @@ acpi_status acpi_get_timer(u32 * ticks)
|
|||
}
|
||||
|
||||
status =
|
||||
acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT.xpm_timer_block);
|
||||
acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block);
|
||||
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
|
|
@ -80,7 +80,7 @@ acpi_status acpi_reset(void)
|
|||
|
||||
/* Write the reset value to the reset register */
|
||||
|
||||
status = acpi_write(acpi_gbl_FADT.reset_value, reset_reg);
|
||||
status = acpi_hw_write(acpi_gbl_FADT.reset_value, reset_reg);
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
|
@ -97,67 +97,92 @@ ACPI_EXPORT_SYMBOL(acpi_reset)
|
|||
*
|
||||
* DESCRIPTION: Read from either memory or IO space.
|
||||
*
|
||||
* LIMITATIONS: <These limitations also apply to acpi_write>
|
||||
* bit_width must be exactly 8, 16, 32, or 64.
|
||||
* space_iD must be system_memory or system_iO.
|
||||
* bit_offset and access_width are currently ignored, as there has
|
||||
* not been a need to implement these.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg)
|
||||
acpi_status acpi_read(u64 *return_value, struct acpi_generic_address *reg)
|
||||
{
|
||||
u32 value;
|
||||
u32 width;
|
||||
u64 address;
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_NAME(acpi_read);
|
||||
|
||||
/*
|
||||
* Must have a valid pointer to a GAS structure, and a non-zero address
|
||||
* within.
|
||||
*/
|
||||
if (!reg) {
|
||||
if (!return_value) {
|
||||
return (AE_BAD_PARAMETER);
|
||||
}
|
||||
|
||||
/* Get a local copy of the address. Handles possible alignment issues */
|
||||
/* Validate contents of the GAS register. Allow 64-bit transfers */
|
||||
|
||||
ACPI_MOVE_64_TO_64(&address, ®->address);
|
||||
if (!address) {
|
||||
return (AE_BAD_ADDRESS);
|
||||
status = acpi_hw_validate_register(reg, 64, &address);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
|
||||
/* Supported widths are 8/16/32 */
|
||||
|
||||
width = reg->bit_width;
|
||||
if ((width != 8) && (width != 16) && (width != 32)) {
|
||||
return (AE_SUPPORT);
|
||||
if (width == 64) {
|
||||
width = 32; /* Break into two 32-bit transfers */
|
||||
}
|
||||
|
||||
/* Initialize entire 32-bit return value to zero */
|
||||
/* Initialize entire 64-bit return value to zero */
|
||||
|
||||
*value = 0;
|
||||
*return_value = 0;
|
||||
value = 0;
|
||||
|
||||
/*
|
||||
* Two address spaces supported: Memory or IO. PCI_Config is
|
||||
* not supported here because the GAS structure is insufficient
|
||||
*/
|
||||
switch (reg->space_id) {
|
||||
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
|
||||
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
|
||||
status = acpi_os_read_memory((acpi_physical_address)
|
||||
address, &value, width);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
*return_value = value;
|
||||
|
||||
status = acpi_os_read_memory((acpi_physical_address) address,
|
||||
value, width);
|
||||
break;
|
||||
if (reg->bit_width == 64) {
|
||||
|
||||
case ACPI_ADR_SPACE_SYSTEM_IO:
|
||||
/* Read the top 32 bits */
|
||||
|
||||
status =
|
||||
acpi_hw_read_port((acpi_io_address) address, value, width);
|
||||
break;
|
||||
status = acpi_os_read_memory((acpi_physical_address)
|
||||
(address + 4), &value, 32);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
*return_value |= ((u64)value << 32);
|
||||
}
|
||||
} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
|
||||
|
||||
default:
|
||||
ACPI_ERROR((AE_INFO,
|
||||
"Unsupported address space: %X", reg->space_id));
|
||||
return (AE_BAD_PARAMETER);
|
||||
status = acpi_hw_read_port((acpi_io_address)
|
||||
address, &value, width);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
*return_value = value;
|
||||
|
||||
if (reg->bit_width == 64) {
|
||||
|
||||
/* Read the top 32 bits */
|
||||
|
||||
status = acpi_hw_read_port((acpi_io_address)
|
||||
(address + 4), &value, 32);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
*return_value |= ((u64)value << 32);
|
||||
}
|
||||
}
|
||||
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_IO,
|
||||
"Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
|
||||
*value, width, ACPI_FORMAT_UINT64(address),
|
||||
"Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n",
|
||||
ACPI_FORMAT_UINT64(*return_value), reg->bit_width,
|
||||
ACPI_FORMAT_UINT64(address),
|
||||
acpi_ut_get_region_name(reg->space_id)));
|
||||
|
||||
return (status);
|
||||
|
@ -169,7 +194,7 @@ ACPI_EXPORT_SYMBOL(acpi_read)
|
|||
*
|
||||
* FUNCTION: acpi_write
|
||||
*
|
||||
* PARAMETERS: Value - To be written
|
||||
* PARAMETERS: Value - Value to be written
|
||||
* Reg - GAS register structure
|
||||
*
|
||||
* RETURN: Status
|
||||
|
@ -177,7 +202,7 @@ ACPI_EXPORT_SYMBOL(acpi_read)
|
|||
* DESCRIPTION: Write to either memory or IO space.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_write(u32 value, struct acpi_generic_address *reg)
|
||||
acpi_status acpi_write(u64 value, struct acpi_generic_address *reg)
|
||||
{
|
||||
u32 width;
|
||||
u64 address;
|
||||
|
@ -185,54 +210,61 @@ acpi_status acpi_write(u32 value, struct acpi_generic_address *reg)
|
|||
|
||||
ACPI_FUNCTION_NAME(acpi_write);
|
||||
|
||||
/*
|
||||
* Must have a valid pointer to a GAS structure, and a non-zero address
|
||||
* within.
|
||||
*/
|
||||
if (!reg) {
|
||||
return (AE_BAD_PARAMETER);
|
||||
/* Validate contents of the GAS register. Allow 64-bit transfers */
|
||||
|
||||
status = acpi_hw_validate_register(reg, 64, &address);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
|
||||
/* Get a local copy of the address. Handles possible alignment issues */
|
||||
|
||||
ACPI_MOVE_64_TO_64(&address, ®->address);
|
||||
if (!address) {
|
||||
return (AE_BAD_ADDRESS);
|
||||
}
|
||||
|
||||
/* Supported widths are 8/16/32 */
|
||||
|
||||
width = reg->bit_width;
|
||||
if ((width != 8) && (width != 16) && (width != 32)) {
|
||||
return (AE_SUPPORT);
|
||||
if (width == 64) {
|
||||
width = 32; /* Break into two 32-bit transfers */
|
||||
}
|
||||
|
||||
/*
|
||||
* Two address spaces supported: Memory or IO.
|
||||
* PCI_Config is not supported here because the GAS struct is insufficient
|
||||
* Two address spaces supported: Memory or IO. PCI_Config is
|
||||
* not supported here because the GAS structure is insufficient
|
||||
*/
|
||||
switch (reg->space_id) {
|
||||
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
|
||||
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
|
||||
status = acpi_os_write_memory((acpi_physical_address)
|
||||
address, ACPI_LODWORD(value),
|
||||
width);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
|
||||
status = acpi_os_write_memory((acpi_physical_address) address,
|
||||
value, width);
|
||||
break;
|
||||
if (reg->bit_width == 64) {
|
||||
status = acpi_os_write_memory((acpi_physical_address)
|
||||
(address + 4),
|
||||
ACPI_HIDWORD(value), 32);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
}
|
||||
} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
|
||||
|
||||
case ACPI_ADR_SPACE_SYSTEM_IO:
|
||||
|
||||
status = acpi_hw_write_port((acpi_io_address) address, value,
|
||||
status = acpi_hw_write_port((acpi_io_address)
|
||||
address, ACPI_LODWORD(value),
|
||||
width);
|
||||
break;
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
|
||||
default:
|
||||
ACPI_ERROR((AE_INFO,
|
||||
"Unsupported address space: %X", reg->space_id));
|
||||
return (AE_BAD_PARAMETER);
|
||||
if (reg->bit_width == 64) {
|
||||
status = acpi_hw_write_port((acpi_io_address)
|
||||
(address + 4),
|
||||
ACPI_HIDWORD(value), 32);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return (status);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_IO,
|
||||
"Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
|
||||
value, width, ACPI_FORMAT_UINT64(address),
|
||||
"Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n",
|
||||
ACPI_FORMAT_UINT64(value), reg->bit_width,
|
||||
ACPI_FORMAT_UINT64(address),
|
||||
acpi_ut_get_region_name(reg->space_id)));
|
||||
|
||||
return (status);
|
||||
|
|
|
@ -360,9 +360,9 @@ acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
|
|||
acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
|
||||
#endif
|
||||
|
||||
acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg);
|
||||
acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
|
||||
|
||||
acpi_status acpi_write(u32 value, struct acpi_generic_address *reg);
|
||||
acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
|
||||
|
||||
acpi_status
|
||||
acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
|
||||
|
|
Loading…
Reference in a new issue