linux/drivers/gpu/drm/radeon/rv770.c

/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * 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: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */

#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/slab.h>

#include <drm/drm_device.h>
#include <drm/radeon_drm.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>

#include "atom.h"
#include "avivod.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "radeon_audio.h"
#include "rv770d.h"
#include "rv770.h"

#define R700_PFP_UCODE_SIZE …
#define R700_PM4_UCODE_SIZE …

static void rv770_gpu_init(struct radeon_device *rdev);
void rv770_fini(struct radeon_device *rdev);
static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);

int rv770_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
{ … }

static const u32 r7xx_golden_registers[] = …;

static const u32 r7xx_golden_dyn_gpr_registers[] = …;

static const u32 rv770_golden_registers[] = …;

static const u32 rv770ce_golden_registers[] = …;

static const u32 rv770_mgcg_init[] = …;

static const u32 rv710_golden_registers[] = …;

static const u32 rv710_mgcg_init[] = …;

static const u32 rv730_golden_registers[] = …;

static const u32 rv730_mgcg_init[] = …;

static const u32 rv740_golden_registers[] = …;

static const u32 rv740_mgcg_init[] = …;

static void rv770_init_golden_registers(struct radeon_device *rdev)
{ … }

#define PCIE_BUS_CLK …
#define TCLK …

/**
 * rv770_get_xclk - get the xclk
 *
 * @rdev: radeon_device pointer
 *
 * Returns the reference clock used by the gfx engine
 * (r7xx-cayman).
 */
u32 rv770_get_xclk(struct radeon_device *rdev)
{ … }

void rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
{ … }

bool rv770_page_flip_pending(struct radeon_device *rdev, int crtc_id)
{ … }

/* get temperature in millidegrees */
int rv770_get_temp(struct radeon_device *rdev)
{ … }

void rv770_pm_misc(struct radeon_device *rdev)
{ … }

/*
 * GART
 */
static int rv770_pcie_gart_enable(struct radeon_device *rdev)
{ … }

static void rv770_pcie_gart_disable(struct radeon_device *rdev)
{ … }

static void rv770_pcie_gart_fini(struct radeon_device *rdev)
{ … }


static void rv770_agp_enable(struct radeon_device *rdev)
{ … }

static void rv770_mc_program(struct radeon_device *rdev)
{ … }


/*
 * CP.
 */
void r700_cp_stop(struct radeon_device *rdev)
{ … }

static int rv770_cp_load_microcode(struct radeon_device *rdev)
{ … }

void r700_cp_fini(struct radeon_device *rdev)
{ … }

void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
{ … }

/*
 * Core functions
 */
static void rv770_gpu_init(struct radeon_device *rdev)
{ … }

void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
{ … }

static int rv770_mc_init(struct radeon_device *rdev)
{ … }

static void rv770_uvd_init(struct radeon_device *rdev)
{ … }

static void rv770_uvd_start(struct radeon_device *rdev)
{ … }

static void rv770_uvd_resume(struct radeon_device *rdev)
{ … }

static int rv770_startup(struct radeon_device *rdev)
{ … }

int rv770_resume(struct radeon_device *rdev)
{ … }

int rv770_suspend(struct radeon_device *rdev)
{ … }

/* Plan is to move initialization in that function and use
 * helper function so that radeon_device_init pretty much
 * do nothing more than calling asic specific function. This
 * should also allow to remove a bunch of callback function
 * like vram_info.
 */
int rv770_init(struct radeon_device *rdev)
{ … }

void rv770_fini(struct radeon_device *rdev)
{ … }

static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
{ … }