/*
* Copyright 2007-8 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat 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: Dave Airlie
* Alex Deucher
*/
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/radeon_drm.h>
#include "radeon_fixed.h"
#include "radeon.h"
#include "atom.h"
#include "atom-bits.h"
static void atombios_overscan_setup(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
SET_CRTC_OVERSCAN_PS_ALLOCATION args;
int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan);
int a1, a2;
memset(&args, 0, sizeof(args));
args.usOverscanRight = 0;
args.usOverscanLeft = 0;
args.usOverscanBottom = 0;
args.usOverscanTop = 0;
args.ucCRTC = radeon_crtc->crtc_id;
switch (radeon_crtc->rmx_type) {
case RMX_CENTER:
args.usOverscanTop = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
break;
case RMX_ASPECT:
a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;
if (a1 > a2) {
args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
} else if (a2 > a1) {
args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
break;
case RMX_FULL:
default:
args.usOverscanRight = 0;
args.usOverscanLeft = 0;
args.usOverscanBottom = 0;
args.usOverscanTop = 0;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
break;
}
}
static void atombios_scaler_setup(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
ENABLE_SCALER_PS_ALLOCATION args;
int index = GetIndexIntoMasterTable(COMMAND, EnableScaler);
/* fixme - fill in enc_priv for atom dac */
enum radeon_tv_std tv_std = TV_STD_NTSC;
bool is_tv = false, is_cv = false;
struct drm_encoder *encoder;
if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
return;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
/* find tv std */
if (encoder->crtc == crtc) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv;
tv_std = tv_dac->tv_std;
is_tv = true;
}
}
}
memset(&args, 0, sizeof(args));
args.ucScaler = radeon_crtc->crtc_id;
if (is_tv) {
switch (tv_std) {
case TV_STD_NTSC:
default:
args.ucTVStandard = ATOM_TV_NTSC;
break;
case TV_STD_PAL:
args.ucTVStandard = ATOM_TV_PAL;
break;
case TV_STD_PAL_M:
args.ucTVStandard = ATOM_TV_PALM;
break;
case TV_STD_PAL_60:
args.ucTVStandard = ATOM_TV_PAL60;
break;
case TV_STD_NTSC_J:
args.ucTVStandard = ATOM_TV_NTSCJ;
break;
case TV_STD_SCART_PAL:
args.ucTVStandard = ATOM_TV_PAL; /* ??? */
break;
case TV_STD_SECAM:
args.ucTVStandard = ATOM_TV_SECAM;
break;
case TV_STD_PAL_CN:
args.ucTVStandard = ATOM_TV_PALCN;
break;
}
args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
} else if (is_cv) {
args.ucTVStandard = ATOM_TV_CV;
args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
} else {
switch (radeon_crtc->rmx_type) {
case RMX_FULL:
args.ucEnable = ATOM_SCALER_EXPANSION;
break;
case RMX_CENTER:
args.ucEnable = ATOM_SCALER_CENTER;
break;
case RMX_ASPECT:
args.ucEnable = ATOM_SCALER_EXPANSION;
break;
default:
if (ASIC_IS_AVIVO(rdev))
args.ucEnable = ATOM_SCALER_DISABLE;
else
args.ucEnable = ATOM_SCALER_CENTER;
break;
}
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if ((is_tv || is_cv)
&& rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
atom_rv515_force_tv_scaler(rdev, radeon_crtc);
}
}
static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
int index =
GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
ENABLE_CRTC_PS_ALLOCATION args;
memset(&args, 0, sizeof(args));
args.ucCRTC = radeon_crtc->crtc_id;
args.ucEnable = lock;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
ENABLE_CRTC_PS_ALLOCATION args;
memset(&args, 0, sizeof(args));
args.ucCRTC = radeon_crtc->crtc_id;
args.ucEnable = state;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
ENABLE_CRTC_PS_ALLOCATION args;
memset(&args, 0, sizeof(args));
args.ucCRTC = radeon_crtc->crtc_id;
args.ucEnable = state;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
BLANK_CRTC_PS_ALLOCATION args;
memset(&args, 0, sizeof(args));
args.ucCRTC = radeon_crtc->crtc_id;
args.ucBlanking = state;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
switch (mode) {
case DRM_MODE_DPMS_ON:
atombios_enable_crtc(crtc, 1);
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, 1);
atombios_blank_crtc(crtc, 0);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
atombios_blank_crtc(crtc, 1);
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, 0);
atombios_enable_crtc(crtc, 0);
break;
}
if (mode != DRM_MODE_DPMS_OFF) {
radeon_crtc_load_lut(crtc);
}
}
static void
atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
struct drm_display_mode *mode)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
u16 misc = 0;
memset(&args, 0, sizeof(args));
args.usH_Size = cpu_to_le16(mode->crtc_hdisplay);
args.usH_Blanking_Time =
cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay);
args.usV_Size = cpu_to_le16(mode->crtc_vdisplay);
args.usV_Blanking_Time =
cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay);
args.usH_SyncOffset =
cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay);
args.usH_SyncWidth =
cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
args.usV_SyncOffset =
cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay);
args.usV_SyncWidth =
cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
/*args.ucH_Border = mode->hborder;*/
/*args.ucV_Border = mode->vborder;*/
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
misc |= ATOM_VSYNC_POLARITY;
if (mode->flags & DRM_MODE_FLAG_NHSYNC)
misc |= ATOM_HSYNC_POLARITY;
if (mode->flags & DRM_MODE_FLAG_CSYNC)
misc |= ATOM_COMPOSITESYNC;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
misc |= ATOM_INTERLACE;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
misc |= ATOM_DOUBLE_CLOCK_MODE;
args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
args.ucCRTC = radeon_crtc->crtc_id;
printk("executing set crtc dtd timing\n");
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void atombios_crtc_set_timing(struct drm_crtc *crtc,
struct drm_display_mode *mode)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
u16 misc = 0;
memset(&args, 0, sizeof(args));
args.usH_Total = cpu_to_le16(mode->crtc_htotal);
args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
args.usH_SyncWidth =
cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
args.usV_SyncWidth =
cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
if (mode->flags & DRM_MODE_FLAG_NVSYNC)
misc |= ATOM_VSYNC_POLARITY;
if (mode->flags & DRM_MODE_FLAG_NHSYNC)
misc |= ATOM_HSYNC_POLARITY;
if (mode->flags & DRM_MODE_FLAG_CSYNC)
misc |= ATOM_COMPOSITESYNC;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
misc |= ATOM_INTERLACE;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
misc |= ATOM_DOUBLE_CLOCK_MODE;
args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
args.ucCRTC = radeon_crtc->crtc_id;
printk("executing set crtc timing\n");
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void atombios_set_ss(struct drm_crtc *crtc, int enable)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct drm_encoder *encoder = NULL;
struct radeon_encoder *radeon_encoder = NULL;
struct radeon_encoder_atom_dig *dig = NULL;
int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION args;
ENABLE_LVDS_SS_PARAMETERS legacy_args;
uint16_t percentage = 0;
uint8_t type = 0, step = 0, delay = 0, range = 0;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
radeon_encoder = to_radeon_encoder(encoder);
/* only enable spread spectrum on LVDS */
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
dig = radeon_encoder->enc_priv;
if (dig && dig->ss) {
percentage = dig->ss->percentage;
type = dig->ss->type;
step = dig->ss->step;
delay = dig->ss->delay;
range = dig->ss->range;
} else if (enable)
return;
} else if (enable)
return;
break;
}
}
if (!radeon_encoder)
return;
if (ASIC_IS_AVIVO(rdev)) {
memset(&args, 0, sizeof(args));
args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
args.ucSpreadSpectrumType = type;
args.ucSpreadSpectrumStep = step;
args.ucSpreadSpectrumDelay = delay;
args.ucSpreadSpectrumRange = range;
args.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
args.ucEnable = enable;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
} else {
memset(&legacy_args, 0, sizeof(legacy_args));
legacy_args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
legacy_args.ucSpreadSpectrumType = type;
legacy_args.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
legacy_args.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
legacy_args.ucEnable = enable;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&legacy_args);
}
}
void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct drm_encoder *encoder = NULL;
struct radeon_encoder *radeon_encoder = NULL;
uint8_t frev, crev;
int index;
SET_PIXEL_CLOCK_PS_ALLOCATION args;
PIXEL_CLOCK_PARAMETERS *spc1_ptr;
PIXEL_CLOCK_PARAMETERS_V2 *spc2_ptr;
PIXEL_CLOCK_PARAMETERS_V3 *spc3_ptr;
uint32_t pll_clock = mode->clock;
uint32_t adjusted_clock;
uint32_t ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
struct radeon_pll *pll;
int pll_flags = 0;
memset(&args, 0, sizeof(args));
if (ASIC_IS_AVIVO(rdev)) {
if ((rdev->family == CHIP_RS600) ||
(rdev->family == CHIP_RS690) ||
(rdev->family == CHIP_RS740))
pll_flags |= (RADEON_PLL_USE_FRAC_FB_DIV |
RADEON_PLL_PREFER_CLOSEST_LOWER);
if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */
pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
else
pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
} else {
pll_flags |= RADEON_PLL_LEGACY;
if (mode->clock > 200000) /* range limits??? */
pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
else
pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
}
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
if (!ASIC_IS_AVIVO(rdev)) {
if (encoder->encoder_type !=
DRM_MODE_ENCODER_DAC)
pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
if (!ASIC_IS_AVIVO(rdev)
&& (encoder->encoder_type ==
DRM_MODE_ENCODER_LVDS))
pll_flags |= RADEON_PLL_USE_REF_DIV;
}
radeon_encoder = to_radeon_encoder(encoder);
break;
}
}
/* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
* accordingly based on the encoder/transmitter to work around
* special hw requirements.
*/
if (ASIC_IS_DCE3(rdev)) {
ADJUST_DISPLAY_PLL_PS_ALLOCATION adjust_pll_args;
if (!encoder)
return;
memset(&adjust_pll_args, 0, sizeof(adjust_pll_args));
adjust_pll_args.usPixelClock = cpu_to_le16(mode->clock / 10);
adjust_pll_args.ucTransmitterID = radeon_encoder->encoder_id;
adjust_pll_args.ucEncodeMode = atombios_get_encoder_mode(encoder);
index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
atom_execute_table(rdev->mode_info.atom_context,
index, (uint32_t *)&adjust_pll_args);
adjusted_clock = le16_to_cpu(adjust_pll_args.usPixelClock) * 10;
} else {
/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
if (ASIC_IS_AVIVO(rdev) &&
(radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1))
adjusted_clock = mode->clock * 2;
else
adjusted_clock = mode->clock;
}
if (radeon_crtc->crtc_id == 0)
pll = &rdev->clock.p1pll;
else
pll = &rdev->clock.p2pll;
radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
&ref_div, &post_div, pll_flags);
index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
&crev);
switch (frev) {
case 1:
switch (crev) {
case 1:
spc1_ptr = (PIXEL_CLOCK_PARAMETERS *) & args.sPCLKInput;
spc1_ptr->usPixelClock = cpu_to_le16(mode->clock / 10);
spc1_ptr->usRefDiv = cpu_to_le16(ref_div);
spc1_ptr->usFbDiv = cpu_to_le16(fb_div);
spc1_ptr->ucFracFbDiv = frac_fb_div;
spc1_ptr->ucPostDiv = post_div;
spc1_ptr->ucPpll =
radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
spc1_ptr->ucCRTC = radeon_crtc->crtc_id;
spc1_ptr->ucRefDivSrc = 1;
break;
case 2:
spc2_ptr =
(PIXEL_CLOCK_PARAMETERS_V2 *) & args.sPCLKInput;
spc2_ptr->usPixelClock = cpu_to_le16(mode->clock / 10);
spc2_ptr->usRefDiv = cpu_to_le16(ref_div);
spc2_ptr->usFbDiv = cpu_to_le16(fb_div);
spc2_ptr->ucFracFbDiv = frac_fb_div;
spc2_ptr->ucPostDiv = post_div;
spc2_ptr->ucPpll =
radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
spc2_ptr->ucCRTC = radeon_crtc->crtc_id;
spc2_ptr->ucRefDivSrc = 1;
break;
case 3:
if (!encoder)
return;
spc3_ptr =
(PIXEL_CLOCK_PARAMETERS_V3 *) & args.sPCLKInput;
spc3_ptr->usPixelClock = cpu_to_le16(mode->clock / 10);
spc3_ptr->usRefDiv = cpu_to_le16(ref_div);
spc3_ptr->usFbDiv = cpu_to_le16(fb_div);
spc3_ptr->ucFracFbDiv = frac_fb_div;
spc3_ptr->ucPostDiv = post_div;
spc3_ptr->ucPpll =
radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
spc3_ptr->ucMiscInfo = (radeon_crtc->crtc_id << 2);
spc3_ptr->ucTransmitterId = radeon_encoder->encoder_id;
spc3_ptr->ucEncoderMode =
atombios_get_encoder_mode(encoder);
break;
default:
DRM_ERROR("Unknown table version %d %d\n", frev, crev);
return;
}
break;
default:
DRM_ERROR("Unknown table version %d %d\n", frev, crev);
return;
}
printk("executing set pll\n");
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_framebuffer *radeon_fb;
struct drm_gem_object *obj;
struct drm_radeon_gem_object *obj_priv;
uint64_t fb_location;
uint32_t fb_format, fb_pitch_pixels, tiling_flags;
if (!crtc->fb)
return -EINVAL;
radeon_fb = to_radeon_framebuffer(crtc->fb);
obj = radeon_fb->obj;
obj_priv = obj->driver_private;
if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &fb_location)) {
return -EINVAL;
}
switch (crtc->fb->bits_per_pixel) {
case 8:
fb_format =
AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
break;
case 15:
fb_format =
AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
break;
case 16:
fb_format =
AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
break;
case 24:
case 32:
fb_format =
AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
break;
default:
DRM_ERROR("Unsupported screen depth %d\n",
crtc->fb->bits_per_pixel);
return -EINVAL;
}
radeon_object_get_tiling_flags(obj->driver_private,
&tiling_flags, NULL);
if (tiling_flags & RADEON_TILING_MACRO)
fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
if (tiling_flags & RADEON_TILING_MICRO)
fb_format |= AVIVO_D1GRPH_TILED;
if (radeon_crtc->crtc_id == 0)
WREG32(AVIVO_D1VGA_CONTROL, 0);
else
WREG32(AVIVO_D2VGA_CONTROL, 0);
if (rdev->family >= CHIP_RV770) {
if (radeon_crtc->crtc_id) {
WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
} else {
WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
}
}
WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
(u32) fb_location);
WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
radeon_crtc->crtc_offset, (u32) fb_location);
WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
crtc->mode.vdisplay);
x &= ~3;
y &= ~1;
WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
(x << 16) | y);
WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
(crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
AVIVO_D1MODE_INTERLEAVE_EN);
else
WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
if (old_fb && old_fb != crtc->fb) {
radeon_fb = to_radeon_framebuffer(old_fb);
radeon_gem_object_unpin(radeon_fb->obj);
}
/* Bytes per pixel may have changed */
radeon_bandwidth_update(rdev);
return 0;
}
int atombios_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y, struct drm_framebuffer *old_fb)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
/* TODO color tiling */
atombios_set_ss(crtc, 0);
atombios_crtc_set_pll(crtc, adjusted_mode);
atombios_set_ss(crtc, 1);
atombios_crtc_set_timing(crtc, adjusted_mode);
if (ASIC_IS_AVIVO(rdev))
atombios_crtc_set_base(crtc, x, y, old_fb);
else {
if (radeon_crtc->crtc_id == 0)
atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
radeon_crtc_set_base(crtc, x, y, old_fb);
radeon_legacy_atom_set_surface(crtc);
}
atombios_overscan_setup(crtc, mode, adjusted_mode);
atombios_scaler_setup(crtc);
return 0;
}
static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
return false;
return true;
}
static void atombios_crtc_prepare(struct drm_crtc *crtc)
{
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
atombios_lock_crtc(crtc, 1);
}
static void atombios_crtc_commit(struct drm_crtc *crtc)
{
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
atombios_lock_crtc(crtc, 0);
}
static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
.dpms = atombios_crtc_dpms,
.mode_fixup = atombios_crtc_mode_fixup,
.mode_set = atombios_crtc_mode_set,
.mode_set_base = atombios_crtc_set_base,
.prepare = atombios_crtc_prepare,
.commit = atombios_crtc_commit,
.load_lut = radeon_crtc_load_lut,
};
void radeon_atombios_init_crtc(struct drm_device *dev,
struct radeon_crtc *radeon_crtc)
{
if (radeon_crtc->crtc_id == 1)
radeon_crtc->crtc_offset =
AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
}
