drm/linux-core/atombios_crtc.c

405 lines
14 KiB
C

/*
* 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 "drmP.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
#include "drm_crtc_helper.h"
#include "atom.h"
#include "atom-bits.h"
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 drm_radeon_private *dev_priv = 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(dev_priv->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 drm_radeon_private *dev_priv = 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(dev_priv->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 drm_radeon_private *dev_priv = 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(dev_priv->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 drm_radeon_private *dev_priv = 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(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
}
void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
switch(mode) {
case DRM_MODE_DPMS_ON:
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
if (radeon_is_dce3(dev_priv))
atombios_enable_crtc_memreq(crtc, 1);
atombios_enable_crtc(crtc, 1);
atombios_blank_crtc(crtc, 0);
radeon_crtc_load_lut(crtc);
break;
case DRM_MODE_DPMS_OFF:
atombios_blank_crtc(crtc, 1);
atombios_enable_crtc(crtc, 0);
if (radeon_is_dce3(dev_priv))
atombios_enable_crtc_memreq(crtc, 0);
break;
}
}
void atombios_crtc_set_timing(struct drm_crtc *crtc, SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION *crtc_param)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION conv_param;
int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
conv_param.usH_Total = cpu_to_le16(crtc_param->usH_Total);
conv_param.usH_Disp = cpu_to_le16(crtc_param->usH_Disp);
conv_param.usH_SyncStart = cpu_to_le16(crtc_param->usH_SyncStart);
conv_param.usH_SyncWidth = cpu_to_le16(crtc_param->usH_SyncWidth);
conv_param.usV_Total = cpu_to_le16(crtc_param->usV_Total);
conv_param.usV_Disp = cpu_to_le16(crtc_param->usV_Disp);
conv_param.usV_SyncStart = cpu_to_le16(crtc_param->usV_SyncStart);
conv_param.usV_SyncWidth = cpu_to_le16(crtc_param->usV_SyncWidth);
conv_param.susModeMiscInfo.usAccess = cpu_to_le16(crtc_param->susModeMiscInfo.usAccess);
conv_param.ucCRTC = crtc_param->ucCRTC;
conv_param.ucOverscanRight = crtc_param->ucOverscanRight;
conv_param.ucOverscanLeft = crtc_param->ucOverscanLeft;
conv_param.ucOverscanBottom = crtc_param->ucOverscanBottom;
conv_param.ucOverscanTop = crtc_param->ucOverscanTop;
conv_param.ucReserved = crtc_param->ucReserved;
printk("executing set crtc timing\n");
atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&conv_param);
}
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 drm_radeon_private *dev_priv = dev->dev_private;
uint8_t frev, crev;
int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
SET_PIXEL_CLOCK_PS_ALLOCATION spc_param;
PIXEL_CLOCK_PARAMETERS_V2 *spc2_ptr;
PIXEL_CLOCK_PARAMETERS_V3 *spc3_ptr;
uint32_t sclock = mode->clock;
uint32_t ref_div = 0, fb_div = 0, post_div = 0;
struct radeon_pll *pll;
int pll_flags = 0;
memset(&spc_param, 0, sizeof(SET_PIXEL_CLOCK_PS_ALLOCATION));
if (!radeon_is_avivo(dev_priv))
pll_flags |= RADEON_PLL_LEGACY;
if (mode->clock > 120000) /* range limits??? */
pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
else
pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
if (radeon_crtc->crtc_id == 0)
pll = &dev_priv->mode_info.p1pll;
else
pll = &dev_priv->mode_info.p2pll;
radeon_compute_pll(pll, mode->clock, &sclock,
&fb_div, &ref_div, &post_div, pll_flags);
if (radeon_is_avivo(dev_priv)) {
uint32_t ss_cntl;
if (radeon_crtc->crtc_id == 0) {
ss_cntl = RADEON_READ(AVIVO_P1PLL_INT_SS_CNTL);
RADEON_WRITE(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl & ~1);
} else {
ss_cntl = RADEON_READ(AVIVO_P2PLL_INT_SS_CNTL);
RADEON_WRITE(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl & ~1);
}
}
/* */
atom_parse_cmd_header(dev_priv->mode_info.atom_context, index, &frev, &crev);
switch(frev) {
case 1:
switch(crev) {
case 1:
case 2:
spc2_ptr = (PIXEL_CLOCK_PARAMETERS_V2*)&spc_param.sPCLKInput;
spc2_ptr->usPixelClock = cpu_to_le16(sclock);
spc2_ptr->usRefDiv = cpu_to_le16(ref_div);
spc2_ptr->usFbDiv = cpu_to_le16(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:
spc3_ptr = (PIXEL_CLOCK_PARAMETERS_V3*)&spc_param.sPCLKInput;
spc3_ptr->usPixelClock = cpu_to_le16(sclock);
spc3_ptr->usRefDiv = cpu_to_le16(ref_div);
spc3_ptr->usFbDiv = cpu_to_le16(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);
/* TODO insert output encoder object stuff herre for r600 */
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(dev_priv->mode_info.atom_context, index, (uint32_t *)&spc_param);
}
void atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_framebuffer *radeon_fb;
struct drm_gem_object *obj;
struct drm_radeon_gem_object *obj_priv;
uint32_t fb_location, fb_format, fb_pitch_pixels;
if (!crtc->fb)
return;
radeon_fb = to_radeon_framebuffer(crtc->fb);
obj = radeon_fb->base.mm_private;
obj_priv = obj->driver_private;
fb_location = obj_priv->bo->offset + dev_priv->fb_location;
switch(crtc->fb->bits_per_pixel) {
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;
}
/* TODO tiling */
if (radeon_crtc->crtc_id == 0)
RADEON_WRITE(AVIVO_D1VGA_CONTROL, 0);
else
RADEON_WRITE(AVIVO_D2VGA_CONTROL, 0);
RADEON_WRITE(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location);
RADEON_WRITE(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location);
RADEON_WRITE(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
RADEON_WRITE(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
RADEON_WRITE(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
RADEON_WRITE(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, x);
RADEON_WRITE(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, y);
RADEON_WRITE(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, x + crtc->mode.hdisplay);
RADEON_WRITE(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, y + crtc->mode.vdisplay);
fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
RADEON_WRITE(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
RADEON_WRITE(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
RADEON_WRITE(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
crtc->mode.vdisplay);
RADEON_WRITE(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y);
RADEON_WRITE(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
(crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
RADEON_WRITE(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
AVIVO_D1MODE_INTERLEAVE_EN);
else
RADEON_WRITE(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
0);
}
void atombios_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
struct drm_encoder *encoder;
SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION crtc_timing;
/* TODO color tiling */
memset(&crtc_timing, 0, sizeof(crtc_timing));
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
}
crtc_timing.ucCRTC = radeon_crtc->crtc_id;
crtc_timing.usH_Total = adjusted_mode->crtc_htotal;
crtc_timing.usH_Disp = adjusted_mode->crtc_hdisplay;
crtc_timing.usH_SyncStart = adjusted_mode->crtc_hsync_start;
crtc_timing.usH_SyncWidth = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
crtc_timing.usV_Total = adjusted_mode->crtc_vtotal;
crtc_timing.usV_Disp = adjusted_mode->crtc_vdisplay;
crtc_timing.usV_SyncStart = adjusted_mode->crtc_vsync_start;
crtc_timing.usV_SyncWidth = adjusted_mode->crtc_vsync_end - adjusted_mode->crtc_vsync_start;
if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
crtc_timing.susModeMiscInfo.usAccess |= ATOM_VSYNC_POLARITY;
if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
crtc_timing.susModeMiscInfo.usAccess |= ATOM_HSYNC_POLARITY;
if (adjusted_mode->flags & DRM_MODE_FLAG_CSYNC)
crtc_timing.susModeMiscInfo.usAccess |= ATOM_COMPOSITESYNC;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
crtc_timing.susModeMiscInfo.usAccess |= ATOM_INTERLACE;
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
crtc_timing.susModeMiscInfo.usAccess |= ATOM_DOUBLE_CLOCK_MODE;
if (radeon_is_avivo(dev_priv))
atombios_crtc_set_base(crtc, x, y);
else
radeon_crtc_set_base(crtc, x, y);
atombios_crtc_set_pll(crtc, adjusted_mode);
atombios_crtc_set_timing(crtc, &crtc_timing);
}
static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
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,
};
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);
}