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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/radeon/rs600.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
-rw-r--r--drivers/gpu/drm/radeon/rs600.c1168
1 files changed, 1168 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
new file mode 100644
index 0000000000..8cf87a0a2b
--- /dev/null
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -0,0 +1,1168 @@
+/*
+ * 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 <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/pci.h>
+
+#include <drm/drm_device.h>
+#include <drm/drm_vblank.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
+
+#include "atom.h"
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "radeon_audio.h"
+#include "rs600_reg_safe.h"
+#include "rs600d.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_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
+ struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
+ 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);
+
+ /* flip at hsync for async, default is vsync */
+ WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
+ async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
+ /* update pitch */
+ WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset,
+ fb->pitches[0] / fb->format->cpp[0]);
+ /* 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);
+}
+
+bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
+
+ /* 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;
+ }
+ if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
+ 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;
+ }
+ if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
+ disable |= 1 << radeon_connector->hpd.hpd;
+ }
+ radeon_irq_kms_disable_hpd(rdev, disable);
+}
+
+int rs600_asic_reset(struct radeon_device *rdev, bool hard)
+{
+ 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;
+ /* 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);
+}
+
+uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
+{
+ addr = addr & 0xFFFFFFFFFFFFF000ULL;
+ addr |= R600_PTE_SYSTEM;
+ if (flags & RADEON_GART_PAGE_VALID)
+ addr |= R600_PTE_VALID;
+ if (flags & RADEON_GART_PAGE_READ)
+ addr |= R600_PTE_READABLE;
+ if (flags & RADEON_GART_PAGE_WRITE)
+ addr |= R600_PTE_WRITEABLE;
+ if (flags & RADEON_GART_PAGE_SNOOP)
+ addr |= R600_PTE_SNOOPED;
+ return addr;
+}
+
+void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
+ uint64_t entry)
+{
+ void __iomem *ptr = (void *)rdev->gart.ptr;
+ writeq(entry, ptr + (i * 8));
+}
+
+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);
+
+ /* posting read */
+ RREG32(R_000040_GEN_INT_CNTL);
+
+ 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_vblank(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_vblank(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_delayed_work(&rdev->hotplug_work, 0);
+ 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 */
+
+ if (!rdev->mode_info.mode_config_initialized)
+ return;
+
+ 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);
+}
+
+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 = radeon_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)
+{
+ radeon_pm_suspend(rdev);
+ radeon_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)
+{
+ radeon_pm_fini(rdev);
+ radeon_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);
+ r100_debugfs_rbbm_init(rdev);
+ /* Fence driver */
+ radeon_fence_driver_init(rdev);
+ /* 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);
+
+ /* Initialize power management */
+ radeon_pm_init(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;
+}