851 lines
25 KiB
C
851 lines
25 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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/* RS600 / Radeon X1250/X1270 integrated GPU
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*
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* This file gather function specific to RS600 which is the IGP of
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* the X1250/X1270 family supporting intel CPU (while RS690/RS740
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* is the X1250/X1270 supporting AMD CPU). The display engine are
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* the avivo one, bios is an atombios, 3D block are the one of the
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* R4XX family. The GART is different from the RS400 one and is very
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* close to the one of the R600 family (R600 likely being an evolution
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* of the RS600 GART block).
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*/
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#include <drm/drmP.h>
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#include "radeon.h"
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#include "radeon_asic.h"
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#include "atom.h"
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#include "rs600d.h"
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#include "rs600_reg_safe.h"
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static void rs600_gpu_init(struct radeon_device *rdev);
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int rs600_mc_wait_for_idle(struct radeon_device *rdev);
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static const u32 crtc_offsets[2] =
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{
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0,
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AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
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};
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static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
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{
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if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
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return true;
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else
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return false;
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}
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static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
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{
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u32 pos1, pos2;
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pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
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pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
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if (pos1 != pos2)
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return true;
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else
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return false;
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}
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/**
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* avivo_wait_for_vblank - vblank wait asic callback.
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*
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* @rdev: radeon_device pointer
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* @crtc: crtc to wait for vblank on
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*
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* Wait for vblank on the requested crtc (r5xx-r7xx).
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*/
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void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
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{
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unsigned i = 0;
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if (crtc >= rdev->num_crtc)
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return;
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if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
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return;
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/* depending on when we hit vblank, we may be close to active; if so,
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* wait for another frame.
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*/
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while (avivo_is_in_vblank(rdev, crtc)) {
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if (i++ % 100 == 0) {
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if (!avivo_is_counter_moving(rdev, crtc))
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break;
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}
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}
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while (!avivo_is_in_vblank(rdev, crtc)) {
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if (i++ % 100 == 0) {
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if (!avivo_is_counter_moving(rdev, crtc))
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break;
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}
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for (i = 0; i < rdev->usec_timeout; i++) {
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if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
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break;
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udelay(1);
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}
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}
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}
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/* hpd for digital panel detect/disconnect */
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bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
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{
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u32 tmp;
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bool connected = false;
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switch (hpd) {
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case RADEON_HPD_1:
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tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
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if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
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connected = true;
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break;
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case RADEON_HPD_2:
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tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
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if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
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connected = true;
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break;
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default:
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break;
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}
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return connected;
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}
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void rs600_hpd_set_polarity(struct radeon_device *rdev,
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enum radeon_hpd_id hpd)
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{
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u32 tmp;
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bool connected = rs600_hpd_sense(rdev, hpd);
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switch (hpd) {
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case RADEON_HPD_1:
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tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
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if (connected)
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tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
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else
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tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
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WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
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break;
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case RADEON_HPD_2:
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tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
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if (connected)
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tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
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else
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tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
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WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
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break;
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default:
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break;
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}
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}
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void rs600_hpd_init(struct radeon_device *rdev)
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{
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struct drm_device *dev = rdev->ddev;
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struct drm_connector *connector;
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unsigned enable = 0;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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struct radeon_connector *radeon_connector = to_radeon_connector(connector);
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switch (radeon_connector->hpd.hpd) {
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case RADEON_HPD_1:
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WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
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S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
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break;
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case RADEON_HPD_2:
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WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
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S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
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break;
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default:
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break;
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}
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enable |= 1 << radeon_connector->hpd.hpd;
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radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
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}
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// radeon_irq_kms_enable_hpd(rdev, enable);
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}
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void rs600_hpd_fini(struct radeon_device *rdev)
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{
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struct drm_device *dev = rdev->ddev;
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struct drm_connector *connector;
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unsigned disable = 0;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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struct radeon_connector *radeon_connector = to_radeon_connector(connector);
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switch (radeon_connector->hpd.hpd) {
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case RADEON_HPD_1:
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WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
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S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
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break;
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case RADEON_HPD_2:
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WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
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S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
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break;
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default:
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break;
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}
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disable |= 1 << radeon_connector->hpd.hpd;
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}
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// radeon_irq_kms_disable_hpd(rdev, disable);
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}
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int rs600_asic_reset(struct radeon_device *rdev)
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{
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struct rv515_mc_save save;
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u32 status, tmp;
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int ret = 0;
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status = RREG32(R_000E40_RBBM_STATUS);
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if (!G_000E40_GUI_ACTIVE(status)) {
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return 0;
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}
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/* Stops all mc clients */
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rv515_mc_stop(rdev, &save);
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status = RREG32(R_000E40_RBBM_STATUS);
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dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
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/* stop CP */
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WREG32(RADEON_CP_CSQ_CNTL, 0);
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tmp = RREG32(RADEON_CP_RB_CNTL);
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WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
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WREG32(RADEON_CP_RB_RPTR_WR, 0);
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WREG32(RADEON_CP_RB_WPTR, 0);
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WREG32(RADEON_CP_RB_CNTL, tmp);
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// pci_save_state(rdev->pdev);
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/* disable bus mastering */
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// pci_clear_master(rdev->pdev);
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mdelay(1);
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/* reset GA+VAP */
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WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
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S_0000F0_SOFT_RESET_GA(1));
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RREG32(R_0000F0_RBBM_SOFT_RESET);
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mdelay(500);
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WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
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mdelay(1);
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status = RREG32(R_000E40_RBBM_STATUS);
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dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
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/* reset CP */
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WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
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RREG32(R_0000F0_RBBM_SOFT_RESET);
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mdelay(500);
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WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
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mdelay(1);
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status = RREG32(R_000E40_RBBM_STATUS);
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dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
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/* reset MC */
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WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
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RREG32(R_0000F0_RBBM_SOFT_RESET);
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mdelay(500);
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WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
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mdelay(1);
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status = RREG32(R_000E40_RBBM_STATUS);
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dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
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/* restore PCI & busmastering */
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// pci_restore_state(rdev->pdev);
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/* Check if GPU is idle */
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if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
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dev_err(rdev->dev, "failed to reset GPU\n");
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ret = -1;
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} else
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dev_info(rdev->dev, "GPU reset succeed\n");
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rv515_mc_resume(rdev, &save);
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return ret;
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}
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/*
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* GART.
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*/
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void rs600_gart_tlb_flush(struct radeon_device *rdev)
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{
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uint32_t tmp;
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tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
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tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
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WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
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tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
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tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
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WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
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tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
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tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
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WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
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tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
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}
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static int rs600_gart_init(struct radeon_device *rdev)
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{
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int r;
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if (rdev->gart.robj) {
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WARN(1, "RS600 GART already initialized\n");
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return 0;
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}
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/* Initialize common gart structure */
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r = radeon_gart_init(rdev);
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if (r) {
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return r;
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}
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rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
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return radeon_gart_table_vram_alloc(rdev);
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}
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static int rs600_gart_enable(struct radeon_device *rdev)
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{
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u32 tmp;
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int r, i;
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if (rdev->gart.robj == NULL) {
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dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
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return -EINVAL;
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}
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r = radeon_gart_table_vram_pin(rdev);
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if (r)
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return r;
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radeon_gart_restore(rdev);
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/* Enable bus master */
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tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
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WREG32(RADEON_BUS_CNTL, tmp);
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/* FIXME: setup default page */
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WREG32_MC(R_000100_MC_PT0_CNTL,
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(S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
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S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
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for (i = 0; i < 19; i++) {
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WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
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S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
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S_00016C_SYSTEM_ACCESS_MODE_MASK(
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V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
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S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
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V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
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S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
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S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
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S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
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}
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/* enable first context */
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WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
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S_000102_ENABLE_PAGE_TABLE(1) |
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S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
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/* disable all other contexts */
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for (i = 1; i < 8; i++)
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WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
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/* setup the page table */
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WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
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rdev->gart.table_addr);
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WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
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WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
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WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
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/* System context maps to VRAM space */
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WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
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WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
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/* enable page tables */
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tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
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WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
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tmp = RREG32_MC(R_000009_MC_CNTL1);
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WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
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rs600_gart_tlb_flush(rdev);
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DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
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(unsigned)(rdev->mc.gtt_size >> 20),
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(unsigned long long)rdev->gart.table_addr);
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rdev->gart.ready = true;
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return 0;
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}
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static void rs600_gart_disable(struct radeon_device *rdev)
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{
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u32 tmp;
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/* FIXME: disable out of gart access */
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WREG32_MC(R_000100_MC_PT0_CNTL, 0);
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tmp = RREG32_MC(R_000009_MC_CNTL1);
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WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
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radeon_gart_table_vram_unpin(rdev);
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}
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static void rs600_gart_fini(struct radeon_device *rdev)
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{
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radeon_gart_fini(rdev);
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rs600_gart_disable(rdev);
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radeon_gart_table_vram_free(rdev);
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}
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#define R600_PTE_VALID (1 << 0)
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#define R600_PTE_SYSTEM (1 << 1)
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#define R600_PTE_SNOOPED (1 << 2)
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#define R600_PTE_READABLE (1 << 5)
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#define R600_PTE_WRITEABLE (1 << 6)
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int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
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{
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void __iomem *ptr = (void *)rdev->gart.ptr;
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if (i < 0 || i > rdev->gart.num_gpu_pages) {
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return -EINVAL;
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}
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addr = addr & 0xFFFFFFFFFFFFF000ULL;
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addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
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addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
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writeq(addr, ptr + (i * 8));
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return 0;
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}
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int rs600_irq_set(struct radeon_device *rdev)
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{
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uint32_t tmp = 0;
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uint32_t mode_int = 0;
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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 (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 (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)
|
|
{
|
|
WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
|
|
S_000070_MC_IND_CITF_ARB0(1));
|
|
return RREG32(R_000074_MC_IND_DATA);
|
|
}
|
|
|
|
void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
|
|
{
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
// r100_wb_fini(rdev);
|
|
// r100_ib_fini(rdev);
|
|
rs600_gart_fini(rdev);
|
|
// radeon_irq_kms_fini(rdev);
|
|
rdev->accel_working = false;
|
|
}
|
|
return 0;
|
|
}
|