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linux/drivers/gpu/drm/radeon/rs600.c
Alex Deucher 6214bb7487 drm/radeon: add a connector property for dither 
Allows you to enable dither in the display hardware
when the monitor supports lower a lower bpc than the
current framebuffer format.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-11-01 12:43:13 -04:00

1153 lines
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/*
* 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
*/
/* RS600 / Radeon X1250/X1270 integrated GPU
*
* This file gather function specific to RS600 which is the IGP of
* the X1250/X1270 family supporting intel CPU (while RS690/RS740
* is the X1250/X1270 supporting AMD CPU). The display engine are
* the avivo one, bios is an atombios, 3D block are the one of the
* R4XX family. The GART is different from the RS400 one and is very
* close to the one of the R600 family (R600 likely being an evolution
* of the RS600 GART block).
*/
#include <drm/drmP.h>
#include "radeon.h"
#include "radeon_asic.h"
#include "atom.h"
#include "rs600d.h"
#include "rs600_reg_safe.h"
static void rs600_gpu_init(struct radeon_device *rdev);
int rs600_mc_wait_for_idle(struct radeon_device *rdev);
static const u32 crtc_offsets[2] =
{
0,
AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
};
static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
{
if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
return true;
else
return false;
}
static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
{
u32 pos1, pos2;
pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
if (pos1 != pos2)
return true;
else
return false;
}
/**
* avivo_wait_for_vblank - vblank wait asic callback.
*
* @rdev: radeon_device pointer
* @crtc: crtc to wait for vblank on
*
* Wait for vblank on the requested crtc (r5xx-r7xx).
*/
void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
{
unsigned i = 0;
if (crtc >= rdev->num_crtc)
return;
if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
return;
/* depending on when we hit vblank, we may be close to active; if so,
* wait for another frame.
*/
while (avivo_is_in_vblank(rdev, crtc)) {
if (i++ % 100 == 0) {
if (!avivo_is_counter_moving(rdev, crtc))
break;
}
}
while (!avivo_is_in_vblank(rdev, crtc)) {
if (i++ % 100 == 0) {
if (!avivo_is_counter_moving(rdev, crtc))
break;
}
}
}
void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
{
/* enable the pflip int */
radeon_irq_kms_pflip_irq_get(rdev, crtc);
}
void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
{
/* disable the pflip int */
radeon_irq_kms_pflip_irq_put(rdev, crtc);
}
u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
{
struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
int i;
/* Lock the graphics update lock */
tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
/* update the scanout addresses */
WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
(u32)crtc_base);
WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
(u32)crtc_base);
/* Wait for update_pending to go high. */
for (i = 0; i < rdev->usec_timeout; i++) {
if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
break;
udelay(1);
}
DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
/* Unlock the lock, so double-buffering can take place inside vblank */
tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
/* Return current update_pending status: */
return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
}
void avivo_program_fmt(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
int bpc = 0;
u32 tmp = 0;
enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
bpc = radeon_get_monitor_bpc(connector);
dither = radeon_connector->dither;
}
/* LVDS FMT is set up by atom */
if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
return;
if (bpc == 0)
return;
switch (bpc) {
case 6:
if (dither == RADEON_FMT_DITHER_ENABLE)
/* XXX sort out optimal dither settings */
tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
else
tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
break;
case 8:
if (dither == RADEON_FMT_DITHER_ENABLE)
/* XXX sort out optimal dither settings */
tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
else
tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
break;
case 10:
default:
/* not needed */
break;
}
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
break;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
break;
default:
break;
}
}
void rs600_pm_misc(struct radeon_device *rdev)
{
int requested_index = rdev->pm.requested_power_state_index;
struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
tmp = RREG32(voltage->gpio.reg);
if (voltage->active_high)
tmp |= voltage->gpio.mask;
else
tmp &= ~(voltage->gpio.mask);
WREG32(voltage->gpio.reg, tmp);
if (voltage->delay)
udelay(voltage->delay);
} else {
tmp = RREG32(voltage->gpio.reg);
if (voltage->active_high)
tmp &= ~voltage->gpio.mask;
else
tmp |= voltage->gpio.mask;
WREG32(voltage->gpio.reg, tmp);
if (voltage->delay)
udelay(voltage->delay);
}
} else if (voltage->type == VOLTAGE_VDDC)
radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
}
} else {
dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
}
WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
if (voltage->delay) {
dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
} else
dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
} else
dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
hdp_dyn_cntl &= ~HDP_FORCEON;
else
hdp_dyn_cntl |= HDP_FORCEON;
WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
#if 0
/* mc_host_dyn seems to cause hangs from time to time */
mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
else
mc_host_dyn_cntl |= MC_HOST_FORCEON;
WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
#endif
dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
else
dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
/* set pcie lanes */
if ((rdev->flags & RADEON_IS_PCIE) &&
!(rdev->flags & RADEON_IS_IGP) &&
rdev->asic->pm.set_pcie_lanes &&
(ps->pcie_lanes !=
rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
radeon_set_pcie_lanes(rdev,
ps->pcie_lanes);
DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
}
}
void rs600_pm_prepare(struct radeon_device *rdev)
{
struct drm_device *ddev = rdev->ddev;
struct drm_crtc *crtc;
struct radeon_crtc *radeon_crtc;
u32 tmp;
/* disable any active CRTCs */
list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
radeon_crtc = to_radeon_crtc(crtc);
if (radeon_crtc->enabled) {
tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
}
}
}
void rs600_pm_finish(struct radeon_device *rdev)
{
struct drm_device *ddev = rdev->ddev;
struct drm_crtc *crtc;
struct radeon_crtc *radeon_crtc;
u32 tmp;
/* enable any active CRTCs */
list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
radeon_crtc = to_radeon_crtc(crtc);
if (radeon_crtc->enabled) {
tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
}
}
}
/* hpd for digital panel detect/disconnect */
bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
{
u32 tmp;
bool connected = false;
switch (hpd) {
case RADEON_HPD_1:
tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
connected = true;
break;
case RADEON_HPD_2:
tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
connected = true;
break;
default:
break;
}
return connected;
}
void rs600_hpd_set_polarity(struct radeon_device *rdev,
enum radeon_hpd_id hpd)
{
u32 tmp;
bool connected = rs600_hpd_sense(rdev, hpd);
switch (hpd) {
case RADEON_HPD_1:
tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
if (connected)
tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
else
tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
break;
case RADEON_HPD_2:
tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
if (connected)
tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
else
tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
break;
default:
break;
}
}
void rs600_hpd_init(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
struct drm_connector *connector;
unsigned enable = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
break;
case RADEON_HPD_2:
WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
break;
default:
break;
}
enable |= 1 << radeon_connector->hpd.hpd;
radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
}
radeon_irq_kms_enable_hpd(rdev, enable);
}
void rs600_hpd_fini(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
struct drm_connector *connector;
unsigned disable = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
break;
case RADEON_HPD_2:
WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
break;
default:
break;
}
disable |= 1 << radeon_connector->hpd.hpd;
}
radeon_irq_kms_disable_hpd(rdev, disable);
}
int rs600_asic_reset(struct radeon_device *rdev)
{
struct rv515_mc_save save;
u32 status, tmp;
int ret = 0;
status = RREG32(R_000E40_RBBM_STATUS);
if (!G_000E40_GUI_ACTIVE(status)) {
return 0;
}
/* Stops all mc clients */
rv515_mc_stop(rdev, &save);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* stop CP */
WREG32(RADEON_CP_CSQ_CNTL, 0);
tmp = RREG32(RADEON_CP_RB_CNTL);
WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
WREG32(RADEON_CP_RB_RPTR_WR, 0);
WREG32(RADEON_CP_RB_WPTR, 0);
WREG32(RADEON_CP_RB_CNTL, tmp);
pci_save_state(rdev->pdev);
/* disable bus mastering */
pci_clear_master(rdev->pdev);
mdelay(1);
/* reset GA+VAP */
WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
S_0000F0_SOFT_RESET_GA(1));
RREG32(R_0000F0_RBBM_SOFT_RESET);
mdelay(500);
WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
mdelay(1);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* reset CP */
WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
RREG32(R_0000F0_RBBM_SOFT_RESET);
mdelay(500);
WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
mdelay(1);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* reset MC */
WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
RREG32(R_0000F0_RBBM_SOFT_RESET);
mdelay(500);
WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
mdelay(1);
status = RREG32(R_000E40_RBBM_STATUS);
dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
/* restore PCI & busmastering */
pci_restore_state(rdev->pdev);
/* Check if GPU is idle */
if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
dev_err(rdev->dev, "failed to reset GPU\n");
ret = -1;
} else
dev_info(rdev->dev, "GPU reset succeed\n");
rv515_mc_resume(rdev, &save);
return ret;
}
/*
* GART.
*/
void rs600_gart_tlb_flush(struct radeon_device *rdev)
{
uint32_t tmp;
tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
}
static int rs600_gart_init(struct radeon_device *rdev)
{
int r;
if (rdev->gart.robj) {
WARN(1, "RS600 GART already initialized\n");
return 0;
}
/* Initialize common gart structure */
r = radeon_gart_init(rdev);
if (r) {
return r;
}
rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
return radeon_gart_table_vram_alloc(rdev);
}
static int rs600_gart_enable(struct radeon_device *rdev)
{
u32 tmp;
int r, i;
if (rdev->gart.robj == NULL) {
dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
return -EINVAL;
}
r = radeon_gart_table_vram_pin(rdev);
if (r)
return r;
radeon_gart_restore(rdev);
/* Enable bus master */
tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
WREG32(RADEON_BUS_CNTL, tmp);
/* FIXME: setup default page */
WREG32_MC(R_000100_MC_PT0_CNTL,
(S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
for (i = 0; i < 19; i++) {
WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
S_00016C_SYSTEM_ACCESS_MODE_MASK(
V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
}
/* enable first context */
WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
S_000102_ENABLE_PAGE_TABLE(1) |
S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
/* disable all other contexts */
for (i = 1; i < 8; i++)
WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
/* setup the page table */
WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
rdev->gart.table_addr);
WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
/* System context maps to VRAM space */
WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
/* enable page tables */
tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
tmp = RREG32_MC(R_000009_MC_CNTL1);
WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
rs600_gart_tlb_flush(rdev);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
(unsigned)(rdev->mc.gtt_size >> 20),
(unsigned long long)rdev->gart.table_addr);
rdev->gart.ready = true;
return 0;
}
static void rs600_gart_disable(struct radeon_device *rdev)
{
u32 tmp;
/* FIXME: disable out of gart access */
WREG32_MC(R_000100_MC_PT0_CNTL, 0);
tmp = RREG32_MC(R_000009_MC_CNTL1);
WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
radeon_gart_table_vram_unpin(rdev);
}
static void rs600_gart_fini(struct radeon_device *rdev)
{
radeon_gart_fini(rdev);
rs600_gart_disable(rdev);
radeon_gart_table_vram_free(rdev);
}
#define R600_PTE_VALID (1 << 0)
#define R600_PTE_SYSTEM (1 << 1)
#define R600_PTE_SNOOPED (1 << 2)
#define R600_PTE_READABLE (1 << 5)
#define R600_PTE_WRITEABLE (1 << 6)
int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
void __iomem *ptr = (void *)rdev->gart.ptr;
if (i < 0 || i > rdev->gart.num_gpu_pages) {
return -EINVAL;
}
addr = addr & 0xFFFFFFFFFFFFF000ULL;
addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
writeq(addr, ptr + (i * 8));
return 0;
}
int rs600_irq_set(struct radeon_device *rdev)
{
uint32_t tmp = 0;
uint32_t mode_int = 0;
u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
u32 hdmi0;
if (ASIC_IS_DCE2(rdev))
hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
else
hdmi0 = 0;
if (!rdev->irq.installed) {
WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
WREG32(R_000040_GEN_INT_CNTL, 0);
return -EINVAL;
}
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
tmp |= S_000040_SW_INT_EN(1);
}
if (rdev->irq.crtc_vblank_int[0] ||
atomic_read(&rdev->irq.pflip[0])) {
mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
}
if (rdev->irq.crtc_vblank_int[1] ||
atomic_read(&rdev->irq.pflip[1])) {
mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
}
if (rdev->irq.hpd[0]) {
hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
}
if (rdev->irq.hpd[1]) {
hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
}
if (rdev->irq.afmt[0]) {
hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
}
WREG32(R_000040_GEN_INT_CNTL, tmp);
WREG32(R_006540_DxMODE_INT_MASK, mode_int);
WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
if (ASIC_IS_DCE2(rdev))
WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
return 0;
}
static inline u32 rs600_irq_ack(struct radeon_device *rdev)
{
uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
uint32_t irq_mask = S_000044_SW_INT(1);
u32 tmp;
if (G_000044_DISPLAY_INT_STAT(irqs)) {
rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
WREG32(R_006534_D1MODE_VBLANK_STATUS,
S_006534_D1MODE_VBLANK_ACK(1));
}
if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
WREG32(R_006D34_D2MODE_VBLANK_STATUS,
S_006D34_D2MODE_VBLANK_ACK(1));
}
if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
}
if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
}
} else {
rdev->irq.stat_regs.r500.disp_int = 0;
}
if (ASIC_IS_DCE2(rdev)) {
rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
}
} else
rdev->irq.stat_regs.r500.hdmi0_status = 0;
if (irqs) {
WREG32(R_000044_GEN_INT_STATUS, irqs);
}
return irqs & irq_mask;
}
void rs600_irq_disable(struct radeon_device *rdev)
{
u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
WREG32(R_000040_GEN_INT_CNTL, 0);
WREG32(R_006540_DxMODE_INT_MASK, 0);
/* Wait and acknowledge irq */
mdelay(1);
rs600_irq_ack(rdev);
}
int rs600_irq_process(struct radeon_device *rdev)
{
u32 status, msi_rearm;
bool queue_hotplug = false;
bool queue_hdmi = false;
status = rs600_irq_ack(rdev);
if (!status &&
!rdev->irq.stat_regs.r500.disp_int &&
!rdev->irq.stat_regs.r500.hdmi0_status) {
return IRQ_NONE;
}
while (status ||
rdev->irq.stat_regs.r500.disp_int ||
rdev->irq.stat_regs.r500.hdmi0_status) {
/* SW interrupt */
if (G_000044_SW_INT(status)) {
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
}
/* Vertical blank interrupts */
if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
if (rdev->irq.crtc_vblank_int[0]) {
drm_handle_vblank(rdev->ddev, 0);
rdev->pm.vblank_sync = true;
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
radeon_crtc_handle_flip(rdev, 0);
}
if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
if (rdev->irq.crtc_vblank_int[1]) {
drm_handle_vblank(rdev->ddev, 1);
rdev->pm.vblank_sync = true;
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
radeon_crtc_handle_flip(rdev, 1);
}
if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
queue_hotplug = true;
DRM_DEBUG("HPD1\n");
}
if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
queue_hotplug = true;
DRM_DEBUG("HPD2\n");
}
if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
queue_hdmi = true;
DRM_DEBUG("HDMI0\n");
}
status = rs600_irq_ack(rdev);
}
if (queue_hotplug)
schedule_work(&rdev->hotplug_work);
if (queue_hdmi)
schedule_work(&rdev->audio_work);
if (rdev->msi_enabled) {
switch (rdev->family) {
case CHIP_RS600:
case CHIP_RS690:
case CHIP_RS740:
msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
WREG32(RADEON_BUS_CNTL, msi_rearm);
WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
break;
default:
WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
break;
}
}
return IRQ_HANDLED;
}
u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
{
if (crtc == 0)
return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
else
return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
}
int rs600_mc_wait_for_idle(struct radeon_device *rdev)
{
unsigned i;
for (i = 0; i < rdev->usec_timeout; i++) {
if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
return 0;
udelay(1);
}
return -1;
}
static void rs600_gpu_init(struct radeon_device *rdev)
{
r420_pipes_init(rdev);
/* Wait for mc idle */
if (rs600_mc_wait_for_idle(rdev))
dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
}
static void rs600_mc_init(struct radeon_device *rdev)
{
u64 base;
rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
rdev->mc.vram_is_ddr = true;
rdev->mc.vram_width = 128;
rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
base = RREG32_MC(R_000004_MC_FB_LOCATION);
base = G_000004_MC_FB_START(base) << 16;
radeon_vram_location(rdev, &rdev->mc, base);
rdev->mc.gtt_base_align = 0;
radeon_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
}
void rs600_bandwidth_update(struct radeon_device *rdev)
{
struct drm_display_mode *mode0 = NULL;
struct drm_display_mode *mode1 = NULL;
u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
/* FIXME: implement full support */
radeon_update_display_priority(rdev);
if (rdev->mode_info.crtcs[0]->base.enabled)
mode0 = &rdev->mode_info.crtcs[0]->base.mode;
if (rdev->mode_info.crtcs[1]->base.enabled)
mode1 = &rdev->mode_info.crtcs[1]->base.mode;
rs690_line_buffer_adjust(rdev, mode0, mode1);
if (rdev->disp_priority == 2) {
d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
}
}
uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&rdev->mc_idx_lock, flags);
WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
S_000070_MC_IND_CITF_ARB0(1));
r = RREG32(R_000074_MC_IND_DATA);
spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
return r;
}
void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
unsigned long flags;
spin_lock_irqsave(&rdev->mc_idx_lock, flags);
WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
WREG32(R_000074_MC_IND_DATA, v);
spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
}
static void rs600_debugfs(struct radeon_device *rdev)
{
if (r100_debugfs_rbbm_init(rdev))
DRM_ERROR("Failed to register debugfs file for RBBM !\n");
}
void rs600_set_safe_registers(struct radeon_device *rdev)
{
rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
}
static void rs600_mc_program(struct radeon_device *rdev)
{
struct rv515_mc_save save;
/* Stops all mc clients */
rv515_mc_stop(rdev, &save);
/* Wait for mc idle */
if (rs600_mc_wait_for_idle(rdev))
dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
/* FIXME: What does AGP means for such chipset ? */
WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
WREG32_MC(R_000006_AGP_BASE, 0);
WREG32_MC(R_000007_AGP_BASE_2, 0);
/* Program MC */
WREG32_MC(R_000004_MC_FB_LOCATION,
S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
WREG32(R_000134_HDP_FB_LOCATION,
S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
rv515_mc_resume(rdev, &save);
}
static int rs600_startup(struct radeon_device *rdev)
{
int r;
rs600_mc_program(rdev);
/* Resume clock */
rv515_clock_startup(rdev);
/* Initialize GPU configuration (# pipes, ...) */
rs600_gpu_init(rdev);
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
r = rs600_gart_enable(rdev);
if (r)
return r;
/* allocate wb buffer */
r = radeon_wb_init(rdev);
if (r)
return r;
r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
if (r) {
dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
return r;
}
/* Enable IRQ */
if (!rdev->irq.installed) {
r = radeon_irq_kms_init(rdev);
if (r)
return r;
}
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r = r100_cp_init(rdev, 1024 * 1024);
if (r) {
dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
return r;
}
r = radeon_ib_pool_init(rdev);
if (r) {
dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
return r;
}
r = r600_audio_init(rdev);
if (r) {
dev_err(rdev->dev, "failed initializing audio\n");
return r;
}
return 0;
}
int rs600_resume(struct radeon_device *rdev)
{
int r;
/* Make sur GART are not working */
rs600_gart_disable(rdev);
/* Resume clock before doing reset */
rv515_clock_startup(rdev);
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_asic_reset(rdev)) {
dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
RREG32(R_000E40_RBBM_STATUS),
RREG32(R_0007C0_CP_STAT));
}
/* post */
atom_asic_init(rdev->mode_info.atom_context);
/* Resume clock after posting */
rv515_clock_startup(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
rdev->accel_working = true;
r = rs600_startup(rdev);
if (r) {
rdev->accel_working = false;
}
return r;
}
int rs600_suspend(struct radeon_device *rdev)
{
r600_audio_fini(rdev);
r100_cp_disable(rdev);
radeon_wb_disable(rdev);
rs600_irq_disable(rdev);
rs600_gart_disable(rdev);
return 0;
}
void rs600_fini(struct radeon_device *rdev)
{
r600_audio_fini(rdev);
r100_cp_fini(rdev);
radeon_wb_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_gem_fini(rdev);
rs600_gart_fini(rdev);
radeon_irq_kms_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_bo_fini(rdev);
radeon_atombios_fini(rdev);
kfree(rdev->bios);
rdev->bios = NULL;
}
int rs600_init(struct radeon_device *rdev)
{
int r;
/* Disable VGA */
rv515_vga_render_disable(rdev);
/* Initialize scratch registers */
radeon_scratch_init(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
/* restore some register to sane defaults */
r100_restore_sanity(rdev);
/* BIOS */
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
return -EINVAL;
}
if (rdev->is_atom_bios) {
r = radeon_atombios_init(rdev);
if (r)
return r;
} else {
dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
return -EINVAL;
}
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_asic_reset(rdev)) {
dev_warn(rdev->dev,
"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
RREG32(R_000E40_RBBM_STATUS),
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
if (radeon_boot_test_post_card(rdev) == false)
return -EINVAL;
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* initialize memory controller */
rs600_mc_init(rdev);
rs600_debugfs(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r)
return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
return r;
r = rs600_gart_init(rdev);
if (r)
return r;
rs600_set_safe_registers(rdev);
rdev->accel_working = true;
r = rs600_startup(rdev);
if (r) {
/* Somethings want wront with the accel init stop accel */
dev_err(rdev->dev, "Disabling GPU acceleration\n");
r100_cp_fini(rdev);
radeon_wb_fini(rdev);
radeon_ib_pool_fini(rdev);
rs600_gart_fini(rdev);
radeon_irq_kms_fini(rdev);
rdev->accel_working = false;
}
return 0;
}
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