linux/drivers/gpu/drm/radeon/rv770_smc.c

/*
 * Copyright 2011 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Alex Deucher
 */

#include <linux/firmware.h>

#include "radeon.h"
#include "rv770d.h"
#include "rv770_dpm.h"
#include "rv770_smc.h"
#include "atom.h"
#include "radeon_ucode.h"

#define FIRST_SMC_INT_VECT_REG …
#define FIRST_INT_VECT_S19 …

static const u8 rv770_smc_int_vectors[] = …;

static const u8 rv730_smc_int_vectors[] = …;

static const u8 rv710_smc_int_vectors[] = …;

static const u8 rv740_smc_int_vectors[] = …;

static const u8 cedar_smc_int_vectors[] = …;

static const u8 redwood_smc_int_vectors[] = …;

static const u8 juniper_smc_int_vectors[] = …;

static const u8 cypress_smc_int_vectors[] = …;

static const u8 barts_smc_int_vectors[] = …;

static const u8 turks_smc_int_vectors[] = …;

static const u8 caicos_smc_int_vectors[] = …;

static const u8 cayman_smc_int_vectors[] = …;

static int rv770_set_smc_sram_address(struct radeon_device *rdev,
				      u16 smc_address, u16 limit)
{ … }

int rv770_copy_bytes_to_smc(struct radeon_device *rdev,
			    u16 smc_start_address, const u8 *src,
			    u16 byte_count, u16 limit)
{ … }

static int rv770_program_interrupt_vectors(struct radeon_device *rdev,
					   u32 smc_first_vector, const u8 *src,
					   u32 byte_count)
{ … }

void rv770_start_smc(struct radeon_device *rdev)
{ … }

void rv770_reset_smc(struct radeon_device *rdev)
{ … }

void rv770_stop_smc_clock(struct radeon_device *rdev)
{ … }

void rv770_start_smc_clock(struct radeon_device *rdev)
{ … }

bool rv770_is_smc_running(struct radeon_device *rdev)
{ … }

PPSMC_Result rv770_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg)
{ … }

PPSMC_Result rv770_wait_for_smc_inactive(struct radeon_device *rdev)
{ … }

static void rv770_clear_smc_sram(struct radeon_device *rdev, u16 limit)
{ … }

int rv770_load_smc_ucode(struct radeon_device *rdev,
			 u16 limit)
{ … }

int rv770_read_smc_sram_dword(struct radeon_device *rdev,
			      u16 smc_address, u32 *value, u16 limit)
{ … }

int rv770_write_smc_sram_dword(struct radeon_device *rdev,
			       u16 smc_address, u32 value, u16 limit)
{ … }