--- /dev/null
+/*
+ * 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
+ */
+#include <linux/slab.h>
+#include <linux/seq_file.h>
+#include <linux/firmware.h>
+#include <linux/module.h>
+#include <drm/drmP.h>
+#include <drm/radeon_drm.h>
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "radeon_audio.h"
+#include "radeon_mode.h"
+#include "r600d.h"
+#include "atom.h"
+#include "avivod.h"
+#include "radeon_ucode.h"
+
+/* Firmware Names */
+MODULE_FIRMWARE("radeon/R600_pfp.bin");
+MODULE_FIRMWARE("radeon/R600_me.bin");
+MODULE_FIRMWARE("radeon/RV610_pfp.bin");
+MODULE_FIRMWARE("radeon/RV610_me.bin");
+MODULE_FIRMWARE("radeon/RV630_pfp.bin");
+MODULE_FIRMWARE("radeon/RV630_me.bin");
+MODULE_FIRMWARE("radeon/RV620_pfp.bin");
+MODULE_FIRMWARE("radeon/RV620_me.bin");
+MODULE_FIRMWARE("radeon/RV635_pfp.bin");
+MODULE_FIRMWARE("radeon/RV635_me.bin");
+MODULE_FIRMWARE("radeon/RV670_pfp.bin");
+MODULE_FIRMWARE("radeon/RV670_me.bin");
+MODULE_FIRMWARE("radeon/RS780_pfp.bin");
+MODULE_FIRMWARE("radeon/RS780_me.bin");
+MODULE_FIRMWARE("radeon/RV770_pfp.bin");
+MODULE_FIRMWARE("radeon/RV770_me.bin");
+MODULE_FIRMWARE("radeon/RV770_smc.bin");
+MODULE_FIRMWARE("radeon/RV730_pfp.bin");
+MODULE_FIRMWARE("radeon/RV730_me.bin");
+MODULE_FIRMWARE("radeon/RV730_smc.bin");
+MODULE_FIRMWARE("radeon/RV740_smc.bin");
+MODULE_FIRMWARE("radeon/RV710_pfp.bin");
+MODULE_FIRMWARE("radeon/RV710_me.bin");
+MODULE_FIRMWARE("radeon/RV710_smc.bin");
+MODULE_FIRMWARE("radeon/R600_rlc.bin");
+MODULE_FIRMWARE("radeon/R700_rlc.bin");
+MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
+MODULE_FIRMWARE("radeon/CEDAR_me.bin");
+MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
+MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
+MODULE_FIRMWARE("radeon/PALM_pfp.bin");
+MODULE_FIRMWARE("radeon/PALM_me.bin");
+MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
+MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
+MODULE_FIRMWARE("radeon/SUMO_me.bin");
+MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
+MODULE_FIRMWARE("radeon/SUMO2_me.bin");
+
+static const u32 crtc_offsets[2] =
+{
+ 0,
+ AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
+};
+
+int r600_debugfs_mc_info_init(struct radeon_device *rdev);
+
+/* r600,rv610,rv630,rv620,rv635,rv670 */
+int r600_mc_wait_for_idle(struct radeon_device *rdev);
+static void r600_gpu_init(struct radeon_device *rdev);
+void r600_fini(struct radeon_device *rdev);
+void r600_irq_disable(struct radeon_device *rdev);
+static void r600_pcie_gen2_enable(struct radeon_device *rdev);
+extern int evergreen_rlc_resume(struct radeon_device *rdev);
+extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
+
+/**
+ * r600_get_allowed_info_register - fetch the register for the info ioctl
+ *
+ * @rdev: radeon_device pointer
+ * @reg: register offset in bytes
+ * @val: register value
+ *
+ * Returns 0 for success or -EINVAL for an invalid register
+ *
+ */
+int r600_get_allowed_info_register(struct radeon_device *rdev,
+ u32 reg, u32 *val)
+{
+ switch (reg) {
+ case GRBM_STATUS:
+ case GRBM_STATUS2:
+ case R_000E50_SRBM_STATUS:
+ case DMA_STATUS_REG:
+ case UVD_STATUS:
+ *val = RREG32(reg);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * r600_get_xclk - get the xclk
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Returns the reference clock used by the gfx engine
+ * (r6xx, IGPs, APUs).
+ */
+u32 r600_get_xclk(struct radeon_device *rdev)
+{
+ return rdev->clock.spll.reference_freq;
+}
+
+int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
+{
+ unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0;
+ int r;
+
+ /* bypass vclk and dclk with bclk */
+ WREG32_P(CG_UPLL_FUNC_CNTL_2,
+ VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
+ ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
+
+ /* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */
+ WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~(
+ UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK));
+
+ if (rdev->family >= CHIP_RS780)
+ WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL,
+ ~UPLL_BYPASS_CNTL);
+
+ if (!vclk || !dclk) {
+ /* keep the Bypass mode, put PLL to sleep */
+ WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
+ return 0;
+ }
+
+ if (rdev->clock.spll.reference_freq == 10000)
+ ref_div = 34;
+ else
+ ref_div = 4;
+
+ r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
+ ref_div + 1, 0xFFF, 2, 30, ~0,
+ &fb_div, &vclk_div, &dclk_div);
+ if (r)
+ return r;
+
+ if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780)
+ fb_div >>= 1;
+ else
+ fb_div |= 1;
+
+ r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
+ if (r)
+ return r;
+
+ /* assert PLL_RESET */
+ WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
+
+ /* For RS780 we have to choose ref clk */
+ if (rdev->family >= CHIP_RS780)
+ WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK,
+ ~UPLL_REFCLK_SRC_SEL_MASK);
+
+ /* set the required fb, ref and post divder values */
+ WREG32_P(CG_UPLL_FUNC_CNTL,
+ UPLL_FB_DIV(fb_div) |
+ UPLL_REF_DIV(ref_div),
+ ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK));
+ WREG32_P(CG_UPLL_FUNC_CNTL_2,
+ UPLL_SW_HILEN(vclk_div >> 1) |
+ UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
+ UPLL_SW_HILEN2(dclk_div >> 1) |
+ UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) |
+ UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK,
+ ~UPLL_SW_MASK);
+
+ /* give the PLL some time to settle */
+ mdelay(15);
+
+ /* deassert PLL_RESET */
+ WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
+
+ mdelay(15);
+
+ /* deassert BYPASS EN */
+ WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
+
+ if (rdev->family >= CHIP_RS780)
+ WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL);
+
+ r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
+ if (r)
+ return r;
+
+ /* switch VCLK and DCLK selection */
+ WREG32_P(CG_UPLL_FUNC_CNTL_2,
+ VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
+ ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
+
+ mdelay(100);
+
+ return 0;
+}
+
+void dce3_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 radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
+ 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;
+
+ /* not needed for analog */
+ if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
+ (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
+ return;
+
+ if (bpc == 0)
+ return;
+
+ switch (bpc) {
+ case 6:
+ if (dither == RADEON_FMT_DITHER_ENABLE)
+ /* XXX sort out optimal dither settings */
+ tmp |= FMT_SPATIAL_DITHER_EN;
+ else
+ tmp |= FMT_TRUNCATE_EN;
+ break;
+ case 8:
+ if (dither == RADEON_FMT_DITHER_ENABLE)
+ /* XXX sort out optimal dither settings */
+ tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
+ else
+ tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
+ break;
+ case 10:
+ default:
+ /* not needed */
+ break;
+ }
+
+ WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
+}
+
+/* get temperature in millidegrees */
+int rv6xx_get_temp(struct radeon_device *rdev)
+{
+ u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
+ ASIC_T_SHIFT;
+ int actual_temp = temp & 0xff;
+
+ if (temp & 0x100)
+ actual_temp -= 256;
+
+ return actual_temp * 1000;
+}
+
+void r600_pm_get_dynpm_state(struct radeon_device *rdev)
+{
+ int i;
+
+ rdev->pm.dynpm_can_upclock = true;
+ rdev->pm.dynpm_can_downclock = true;
+
+ /* power state array is low to high, default is first */
+ if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
+ int min_power_state_index = 0;
+
+ if (rdev->pm.num_power_states > 2)
+ min_power_state_index = 1;
+
+ switch (rdev->pm.dynpm_planned_action) {
+ case DYNPM_ACTION_MINIMUM:
+ rdev->pm.requested_power_state_index = min_power_state_index;
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.dynpm_can_downclock = false;
+ break;
+ case DYNPM_ACTION_DOWNCLOCK:
+ if (rdev->pm.current_power_state_index == min_power_state_index) {
+ rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+ rdev->pm.dynpm_can_downclock = false;
+ } else {
+ if (rdev->pm.active_crtc_count > 1) {
+ for (i = 0; i < rdev->pm.num_power_states; i++) {
+ if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
+ continue;
+ else if (i >= rdev->pm.current_power_state_index) {
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index;
+ break;
+ } else {
+ rdev->pm.requested_power_state_index = i;
+ break;
+ }
+ }
+ } else {
+ if (rdev->pm.current_power_state_index == 0)
+ rdev->pm.requested_power_state_index =
+ rdev->pm.num_power_states - 1;
+ else
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index - 1;
+ }
+ }
+ rdev->pm.requested_clock_mode_index = 0;
+ /* don't use the power state if crtcs are active and no display flag is set */
+ if ((rdev->pm.active_crtc_count > 0) &&
+ (rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].flags &
+ RADEON_PM_MODE_NO_DISPLAY)) {
+ rdev->pm.requested_power_state_index++;
+ }
+ break;
+ case DYNPM_ACTION_UPCLOCK:
+ if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
+ rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+ rdev->pm.dynpm_can_upclock = false;
+ } else {
+ if (rdev->pm.active_crtc_count > 1) {
+ for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
+ if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
+ continue;
+ else if (i <= rdev->pm.current_power_state_index) {
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index;
+ break;
+ } else {
+ rdev->pm.requested_power_state_index = i;
+ break;
+ }
+ }
+ } else
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index + 1;
+ }
+ rdev->pm.requested_clock_mode_index = 0;
+ break;
+ case DYNPM_ACTION_DEFAULT:
+ rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.dynpm_can_upclock = false;
+ break;
+ case DYNPM_ACTION_NONE:
+ default:
+ DRM_ERROR("Requested mode for not defined action\n");
+ return;
+ }
+ } else {
+ /* XXX select a power state based on AC/DC, single/dualhead, etc. */
+ /* for now just select the first power state and switch between clock modes */
+ /* power state array is low to high, default is first (0) */
+ if (rdev->pm.active_crtc_count > 1) {
+ rdev->pm.requested_power_state_index = -1;
+ /* start at 1 as we don't want the default mode */
+ for (i = 1; i < rdev->pm.num_power_states; i++) {
+ if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
+ continue;
+ else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
+ (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
+ rdev->pm.requested_power_state_index = i;
+ break;
+ }
+ }
+ /* if nothing selected, grab the default state. */
+ if (rdev->pm.requested_power_state_index == -1)
+ rdev->pm.requested_power_state_index = 0;
+ } else
+ rdev->pm.requested_power_state_index = 1;
+
+ switch (rdev->pm.dynpm_planned_action) {
+ case DYNPM_ACTION_MINIMUM:
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.dynpm_can_downclock = false;
+ break;
+ case DYNPM_ACTION_DOWNCLOCK:
+ if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
+ if (rdev->pm.current_clock_mode_index == 0) {
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.dynpm_can_downclock = false;
+ } else
+ rdev->pm.requested_clock_mode_index =
+ rdev->pm.current_clock_mode_index - 1;
+ } else {
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.dynpm_can_downclock = false;
+ }
+ /* don't use the power state if crtcs are active and no display flag is set */
+ if ((rdev->pm.active_crtc_count > 0) &&
+ (rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].flags &
+ RADEON_PM_MODE_NO_DISPLAY)) {
+ rdev->pm.requested_clock_mode_index++;
+ }
+ break;
+ case DYNPM_ACTION_UPCLOCK:
+ if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
+ if (rdev->pm.current_clock_mode_index ==
+ (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
+ rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
+ rdev->pm.dynpm_can_upclock = false;
+ } else
+ rdev->pm.requested_clock_mode_index =
+ rdev->pm.current_clock_mode_index + 1;
+ } else {
+ rdev->pm.requested_clock_mode_index =
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
+ rdev->pm.dynpm_can_upclock = false;
+ }
+ break;
+ case DYNPM_ACTION_DEFAULT:
+ rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.dynpm_can_upclock = false;
+ break;
+ case DYNPM_ACTION_NONE:
+ default:
+ DRM_ERROR("Requested mode for not defined action\n");
+ return;
+ }
+ }
+
+ DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].sclk,
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].mclk,
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ pcie_lanes);
+}
+
+void rs780_pm_init_profile(struct radeon_device *rdev)
+{
+ if (rdev->pm.num_power_states == 2) {
+ /* default */
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+ /* low sh */
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+ /* mid sh */
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
+ /* high sh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+ /* low mh */
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+ /* mid mh */
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
+ /* high mh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+ } else if (rdev->pm.num_power_states == 3) {
+ /* default */
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+ /* low sh */
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+ /* mid sh */
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
+ /* high sh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+ /* low mh */
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+ /* mid mh */
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
+ /* high mh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+ } else {
+ /* default */
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+ /* low sh */
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+ /* mid sh */
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
+ /* high sh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+ /* low mh */
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+ /* mid mh */
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
+ /* high mh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+ }
+}
+
+void r600_pm_init_profile(struct radeon_device *rdev)
+{
+ int idx;
+
+ if (rdev->family == CHIP_R600) {
+ /* XXX */
+ /* default */
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+ /* low sh */
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+ /* mid sh */
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
+ /* high sh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
+ /* low mh */
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+ /* mid mh */
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
+ /* high mh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
+ } else {
+ if (rdev->pm.num_power_states < 4) {
+ /* default */
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+ /* low sh */
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+ /* mid sh */
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
+ /* high sh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+ /* low mh */
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+ /* low mh */
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
+ /* high mh */
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+ } else {
+ /* default */
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
+ /* low sh */
+ if (rdev->flags & RADEON_IS_MOBILITY)
+ idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+ else
+ idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+ /* mid sh */
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
+ /* high sh */
+ idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
+ /* low mh */
+ if (rdev->flags & RADEON_IS_MOBILITY)
+ idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+ else
+ idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+ /* mid mh */
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
+ /* high mh */
+ idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+ rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
+ }
+ }
+}
+
+void r600_pm_misc(struct radeon_device *rdev)
+{
+ int req_ps_idx = rdev->pm.requested_power_state_index;
+ int req_cm_idx = rdev->pm.requested_clock_mode_index;
+ struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
+ struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
+
+ if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
+ /* 0xff01 is a flag rather then an actual voltage */
+ if (voltage->voltage == 0xff01)
+ return;
+ if (voltage->voltage != rdev->pm.current_vddc) {
+ radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
+ rdev->pm.current_vddc = voltage->voltage;
+ DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
+ }
+ }
+}
+
+bool r600_gui_idle(struct radeon_device *rdev)
+{
+ if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
+ return false;
+ else
+ return true;
+}
+
+/* hpd for digital panel detect/disconnect */
+bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
+{
+ bool connected = false;
+
+ if (ASIC_IS_DCE3(rdev)) {
+ switch (hpd) {
+ case RADEON_HPD_1:
+ if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_2:
+ if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_3:
+ if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_4:
+ if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
+ connected = true;
+ break;
+ /* DCE 3.2 */
+ case RADEON_HPD_5:
+ if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_6:
+ if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
+ connected = true;
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (hpd) {
+ case RADEON_HPD_1:
+ if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_2:
+ if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_3:
+ if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
+ connected = true;
+ break;
+ default:
+ break;
+ }
+ }
+ return connected;
+}
+
+void r600_hpd_set_polarity(struct radeon_device *rdev,
+ enum radeon_hpd_id hpd)
+{
+ u32 tmp;
+ bool connected = r600_hpd_sense(rdev, hpd);
+
+ if (ASIC_IS_DCE3(rdev)) {
+ switch (hpd) {
+ case RADEON_HPD_1:
+ tmp = RREG32(DC_HPD1_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HPDx_INT_POLARITY;
+ else
+ tmp |= DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD1_INT_CONTROL, tmp);
+ break;
+ case RADEON_HPD_2:
+ tmp = RREG32(DC_HPD2_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HPDx_INT_POLARITY;
+ else
+ tmp |= DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD2_INT_CONTROL, tmp);
+ break;
+ case RADEON_HPD_3:
+ tmp = RREG32(DC_HPD3_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HPDx_INT_POLARITY;
+ else
+ tmp |= DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD3_INT_CONTROL, tmp);
+ break;
+ case RADEON_HPD_4:
+ tmp = RREG32(DC_HPD4_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HPDx_INT_POLARITY;
+ else
+ tmp |= DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD4_INT_CONTROL, tmp);
+ break;
+ case RADEON_HPD_5:
+ tmp = RREG32(DC_HPD5_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HPDx_INT_POLARITY;
+ else
+ tmp |= DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD5_INT_CONTROL, tmp);
+ break;
+ /* DCE 3.2 */
+ case RADEON_HPD_6:
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HPDx_INT_POLARITY;
+ else
+ tmp |= DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD6_INT_CONTROL, tmp);
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (hpd) {
+ case RADEON_HPD_1:
+ tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ else
+ tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
+ break;
+ case RADEON_HPD_2:
+ tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ else
+ tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
+ break;
+ case RADEON_HPD_3:
+ tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
+ if (connected)
+ tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ else
+ tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+void r600_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);
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ /* don't try to enable hpd on eDP or LVDS avoid breaking the
+ * aux dp channel on imac and help (but not completely fix)
+ * https://bugzilla.redhat.com/show_bug.cgi?id=726143
+ */
+ continue;
+ }
+ if (ASIC_IS_DCE3(rdev)) {
+ u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
+ if (ASIC_IS_DCE32(rdev))
+ tmp |= DC_HPDx_EN;
+
+ switch (radeon_connector->hpd.hpd) {
+ case RADEON_HPD_1:
+ WREG32(DC_HPD1_CONTROL, tmp);
+ break;
+ case RADEON_HPD_2:
+ WREG32(DC_HPD2_CONTROL, tmp);
+ break;
+ case RADEON_HPD_3:
+ WREG32(DC_HPD3_CONTROL, tmp);
+ break;
+ case RADEON_HPD_4:
+ WREG32(DC_HPD4_CONTROL, tmp);
+ break;
+ /* DCE 3.2 */
+ case RADEON_HPD_5:
+ WREG32(DC_HPD5_CONTROL, tmp);
+ break;
+ case RADEON_HPD_6:
+ WREG32(DC_HPD6_CONTROL, tmp);
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (radeon_connector->hpd.hpd) {
+ case RADEON_HPD_1:
+ WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
+ break;
+ case RADEON_HPD_2:
+ WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
+ break;
+ case RADEON_HPD_3:
+ WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
+ break;
+ default:
+ break;
+ }
+ }
+ enable |= 1 << radeon_connector->hpd.hpd;
+ radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
+ }
+ radeon_irq_kms_enable_hpd(rdev, enable);
+}
+
+void r600_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);
+ if (ASIC_IS_DCE3(rdev)) {
+ switch (radeon_connector->hpd.hpd) {
+ case RADEON_HPD_1:
+ WREG32(DC_HPD1_CONTROL, 0);
+ break;
+ case RADEON_HPD_2:
+ WREG32(DC_HPD2_CONTROL, 0);
+ break;
+ case RADEON_HPD_3:
+ WREG32(DC_HPD3_CONTROL, 0);
+ break;
+ case RADEON_HPD_4:
+ WREG32(DC_HPD4_CONTROL, 0);
+ break;
+ /* DCE 3.2 */
+ case RADEON_HPD_5:
+ WREG32(DC_HPD5_CONTROL, 0);
+ break;
+ case RADEON_HPD_6:
+ WREG32(DC_HPD6_CONTROL, 0);
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (radeon_connector->hpd.hpd) {
+ case RADEON_HPD_1:
+ WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
+ break;
+ case RADEON_HPD_2:
+ WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
+ break;
+ case RADEON_HPD_3:
+ WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
+ break;
+ default:
+ break;
+ }
+ }
+ disable |= 1 << radeon_connector->hpd.hpd;
+ }
+ radeon_irq_kms_disable_hpd(rdev, disable);
+}
+
+/*
+ * R600 PCIE GART
+ */
+void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
+{
+ unsigned i;
+ u32 tmp;
+
+ /* flush hdp cache so updates hit vram */
+ if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
+ !(rdev->flags & RADEON_IS_AGP)) {
+ void __iomem *ptr = (void *)rdev->gart.ptr;
+ u32 tmp;
+
+ /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
+ * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
+ * This seems to cause problems on some AGP cards. Just use the old
+ * method for them.
+ */
+ WREG32(HDP_DEBUG1, 0);
+ tmp = readl((void __iomem *)ptr);
+ } else
+ WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
+
+ WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
+ WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
+ WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ /* read MC_STATUS */
+ tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
+ tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
+ if (tmp == 2) {
+ printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
+ return;
+ }
+ if (tmp) {
+ return;
+ }
+ udelay(1);
+ }
+}
+
+int r600_pcie_gart_init(struct radeon_device *rdev)
+{
+ int r;
+
+ if (rdev->gart.robj) {
+ WARN(1, "R600 PCIE 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 r600_pcie_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;
+
+ /* Setup L2 cache */
+ WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
+ ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
+ EFFECTIVE_L2_QUEUE_SIZE(7));
+ WREG32(VM_L2_CNTL2, 0);
+ WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
+ /* Setup TLB control */
+ tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
+ SYSTEM_ACCESS_MODE_NOT_IN_SYS |
+ EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
+ ENABLE_WAIT_L2_QUERY;
+ WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
+ WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
+ WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
+ WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
+ WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
+ (u32)(rdev->dummy_page.addr >> 12));
+ for (i = 1; i < 7; i++)
+ WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+
+ r600_pcie_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 r600_pcie_gart_disable(struct radeon_device *rdev)
+{
+ u32 tmp;
+ int i;
+
+ /* Disable all tables */
+ for (i = 0; i < 7; i++)
+ WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+
+ /* Disable L2 cache */
+ WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
+ EFFECTIVE_L2_QUEUE_SIZE(7));
+ WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
+ /* Setup L1 TLB control */
+ tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
+ ENABLE_WAIT_L2_QUERY;
+ WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
+ radeon_gart_table_vram_unpin(rdev);
+}
+
+static void r600_pcie_gart_fini(struct radeon_device *rdev)
+{
+ radeon_gart_fini(rdev);
+ r600_pcie_gart_disable(rdev);
+ radeon_gart_table_vram_free(rdev);
+}
+
+static void r600_agp_enable(struct radeon_device *rdev)
+{
+ u32 tmp;
+ int i;
+
+ /* Setup L2 cache */
+ WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
+ ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
+ EFFECTIVE_L2_QUEUE_SIZE(7));
+ WREG32(VM_L2_CNTL2, 0);
+ WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
+ /* Setup TLB control */
+ tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
+ SYSTEM_ACCESS_MODE_NOT_IN_SYS |
+ EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
+ ENABLE_WAIT_L2_QUERY;
+ WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
+ WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
+ WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
+ WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
+ for (i = 0; i < 7; i++)
+ WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+}
+
+int r600_mc_wait_for_idle(struct radeon_device *rdev)
+{
+ unsigned i;
+ u32 tmp;
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ /* read MC_STATUS */
+ tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
+ if (!tmp)
+ return 0;
+ udelay(1);
+ }
+ return -1;
+}
+
+uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+ unsigned long flags;
+ uint32_t r;
+
+ spin_lock_irqsave(&rdev->mc_idx_lock, flags);
+ WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
+ r = RREG32(R_0028FC_MC_DATA);
+ WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
+ spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
+ return r;
+}
+
+void rs780_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_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
+ S_0028F8_MC_IND_WR_EN(1));
+ WREG32(R_0028FC_MC_DATA, v);
+ WREG32(R_0028F8_MC_INDEX, 0x7F);
+ spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
+}
+
+static void r600_mc_program(struct radeon_device *rdev)
+{
+ struct rv515_mc_save save;
+ u32 tmp;
+ int i, j;
+
+ /* Initialize HDP */
+ for (i = 0, j = 0; i < 32; i++, j += 0x18) {
+ WREG32((0x2c14 + j), 0x00000000);
+ WREG32((0x2c18 + j), 0x00000000);
+ WREG32((0x2c1c + j), 0x00000000);
+ WREG32((0x2c20 + j), 0x00000000);
+ WREG32((0x2c24 + j), 0x00000000);
+ }
+ WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
+
+ rv515_mc_stop(rdev, &save);
+ if (r600_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+ /* Lockout access through VGA aperture (doesn't exist before R600) */
+ WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
+ /* Update configuration */
+ if (rdev->flags & RADEON_IS_AGP) {
+ if (rdev->mc.vram_start < rdev->mc.gtt_start) {
+ /* VRAM before AGP */
+ WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
+ rdev->mc.vram_start >> 12);
+ WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+ rdev->mc.gtt_end >> 12);
+ } else {
+ /* VRAM after AGP */
+ WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
+ rdev->mc.gtt_start >> 12);
+ WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+ rdev->mc.vram_end >> 12);
+ }
+ } else {
+ WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
+ WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
+ }
+ WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
+ tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
+ tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
+ WREG32(MC_VM_FB_LOCATION, tmp);
+ WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
+ WREG32(HDP_NONSURFACE_INFO, (2 << 7));
+ WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
+ if (rdev->flags & RADEON_IS_AGP) {
+ WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
+ WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
+ WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
+ } else {
+ WREG32(MC_VM_AGP_BASE, 0);
+ WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
+ WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
+ }
+ if (r600_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+ rv515_mc_resume(rdev, &save);
+ /* we need to own VRAM, so turn off the VGA renderer here
+ * to stop it overwriting our objects */
+ rv515_vga_render_disable(rdev);
+}
+
+/**
+ * r600_vram_gtt_location - try to find VRAM & GTT location
+ * @rdev: radeon device structure holding all necessary informations
+ * @mc: memory controller structure holding memory informations
+ *
+ * Function will place try to place VRAM at same place as in CPU (PCI)
+ * address space as some GPU seems to have issue when we reprogram at
+ * different address space.
+ *
+ * If there is not enough space to fit the unvisible VRAM after the
+ * aperture then we limit the VRAM size to the aperture.
+ *
+ * If we are using AGP then place VRAM adjacent to AGP aperture are we need
+ * them to be in one from GPU point of view so that we can program GPU to
+ * catch access outside them (weird GPU policy see ??).
+ *
+ * This function will never fails, worst case are limiting VRAM or GTT.
+ *
+ * Note: GTT start, end, size should be initialized before calling this
+ * function on AGP platform.
+ */
+static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
+{
+ u64 size_bf, size_af;
+
+ if (mc->mc_vram_size > 0xE0000000) {
+ /* leave room for at least 512M GTT */
+ dev_warn(rdev->dev, "limiting VRAM\n");
+ mc->real_vram_size = 0xE0000000;
+ mc->mc_vram_size = 0xE0000000;
+ }
+ if (rdev->flags & RADEON_IS_AGP) {
+ size_bf = mc->gtt_start;
+ size_af = mc->mc_mask - mc->gtt_end;
+ if (size_bf > size_af) {
+ if (mc->mc_vram_size > size_bf) {
+ dev_warn(rdev->dev, "limiting VRAM\n");
+ mc->real_vram_size = size_bf;
+ mc->mc_vram_size = size_bf;
+ }
+ mc->vram_start = mc->gtt_start - mc->mc_vram_size;
+ } else {
+ if (mc->mc_vram_size > size_af) {
+ dev_warn(rdev->dev, "limiting VRAM\n");
+ mc->real_vram_size = size_af;
+ mc->mc_vram_size = size_af;
+ }
+ mc->vram_start = mc->gtt_end + 1;
+ }
+ mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
+ dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
+ mc->mc_vram_size >> 20, mc->vram_start,
+ mc->vram_end, mc->real_vram_size >> 20);
+ } else {
+ u64 base = 0;
+ if (rdev->flags & RADEON_IS_IGP) {
+ base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
+ base <<= 24;
+ }
+ radeon_vram_location(rdev, &rdev->mc, base);
+ rdev->mc.gtt_base_align = 0;
+ radeon_gtt_location(rdev, mc);
+ }
+}
+
+static int r600_mc_init(struct radeon_device *rdev)
+{
+ u32 tmp;
+ int chansize, numchan;
+ uint32_t h_addr, l_addr;
+ unsigned long long k8_addr;
+
+ /* Get VRAM informations */
+ rdev->mc.vram_is_ddr = true;
+ tmp = RREG32(RAMCFG);
+ if (tmp & CHANSIZE_OVERRIDE) {
+ chansize = 16;
+ } else if (tmp & CHANSIZE_MASK) {
+ chansize = 64;
+ } else {
+ chansize = 32;
+ }
+ tmp = RREG32(CHMAP);
+ switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
+ case 0:
+ default:
+ numchan = 1;
+ break;
+ case 1:
+ numchan = 2;
+ break;
+ case 2:
+ numchan = 4;
+ break;
+ case 3:
+ numchan = 8;
+ break;
+ }
+ rdev->mc.vram_width = numchan * chansize;
+ /* Could aper size report 0 ? */
+ rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+ rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
+ /* Setup GPU memory space */
+ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
+ rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
+ r600_vram_gtt_location(rdev, &rdev->mc);
+
+ if (rdev->flags & RADEON_IS_IGP) {
+ rs690_pm_info(rdev);
+ rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+
+ if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
+ /* Use K8 direct mapping for fast fb access. */
+ rdev->fastfb_working = false;
+ h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
+ l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
+ k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
+#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
+ if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
+#endif
+ {
+ /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
+ * memory is present.
+ */
+ if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
+ DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
+ (unsigned long long)rdev->mc.aper_base, k8_addr);
+ rdev->mc.aper_base = (resource_size_t)k8_addr;
+ rdev->fastfb_working = true;
+ }
+ }
+ }
+ }
+
+ radeon_update_bandwidth_info(rdev);
+ return 0;
+}
+
+int r600_vram_scratch_init(struct radeon_device *rdev)
+{
+ int r;
+
+ if (rdev->vram_scratch.robj == NULL) {
+ r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
+ PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
+ 0, NULL, NULL, &rdev->vram_scratch.robj);
+ if (r) {
+ return r;
+ }
+ }
+
+ r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
+ if (unlikely(r != 0))
+ return r;
+ r = radeon_bo_pin(rdev->vram_scratch.robj,
+ RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
+ if (r) {
+ radeon_bo_unreserve(rdev->vram_scratch.robj);
+ return r;
+ }
+ r = radeon_bo_kmap(rdev->vram_scratch.robj,
+ (void **)&rdev->vram_scratch.ptr);
+ if (r)
+ radeon_bo_unpin(rdev->vram_scratch.robj);
+ radeon_bo_unreserve(rdev->vram_scratch.robj);
+
+ return r;
+}
+
+void r600_vram_scratch_fini(struct radeon_device *rdev)
+{
+ int r;
+
+ if (rdev->vram_scratch.robj == NULL) {
+ return;
+ }
+ r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
+ if (likely(r == 0)) {
+ radeon_bo_kunmap(rdev->vram_scratch.robj);
+ radeon_bo_unpin(rdev->vram_scratch.robj);
+ radeon_bo_unreserve(rdev->vram_scratch.robj);
+ }
+ radeon_bo_unref(&rdev->vram_scratch.robj);
+}
+
+void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
+{
+ u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
+
+ if (hung)
+ tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
+ else
+ tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
+
+ WREG32(R600_BIOS_3_SCRATCH, tmp);
+}
+
+static void r600_print_gpu_status_regs(struct radeon_device *rdev)
+{
+ dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n",
+ RREG32(R_008010_GRBM_STATUS));
+ dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
+ RREG32(R_008014_GRBM_STATUS2));
+ dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
+ RREG32(R_000E50_SRBM_STATUS));
+ dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
+ RREG32(CP_STALLED_STAT1));
+ dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
+ RREG32(CP_STALLED_STAT2));
+ dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
+ RREG32(CP_BUSY_STAT));
+ dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
+ RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
+}
+
+static bool r600_is_display_hung(struct radeon_device *rdev)
+{
+ u32 crtc_hung = 0;
+ u32 crtc_status[2];
+ u32 i, j, tmp;
+
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
+ crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
+ crtc_hung |= (1 << i);
+ }
+ }
+
+ for (j = 0; j < 10; j++) {
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (crtc_hung & (1 << i)) {
+ tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
+ if (tmp != crtc_status[i])
+ crtc_hung &= ~(1 << i);
+ }
+ }
+ if (crtc_hung == 0)
+ return false;
+ udelay(100);
+ }
+
+ return true;
+}
+
+u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
+{
+ u32 reset_mask = 0;
+ u32 tmp;
+
+ /* GRBM_STATUS */
+ tmp = RREG32(R_008010_GRBM_STATUS);
+ if (rdev->family >= CHIP_RV770) {
+ if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
+ G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
+ G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
+ G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
+ G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
+ reset_mask |= RADEON_RESET_GFX;
+ } else {
+ if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
+ G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
+ G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
+ G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
+ G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
+ reset_mask |= RADEON_RESET_GFX;
+ }
+
+ if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
+ G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
+ reset_mask |= RADEON_RESET_CP;
+
+ if (G_008010_GRBM_EE_BUSY(tmp))
+ reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
+
+ /* DMA_STATUS_REG */
+ tmp = RREG32(DMA_STATUS_REG);
+ if (!(tmp & DMA_IDLE))
+ reset_mask |= RADEON_RESET_DMA;
+
+ /* SRBM_STATUS */
+ tmp = RREG32(R_000E50_SRBM_STATUS);
+ if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
+ reset_mask |= RADEON_RESET_RLC;
+
+ if (G_000E50_IH_BUSY(tmp))
+ reset_mask |= RADEON_RESET_IH;
+
+ if (G_000E50_SEM_BUSY(tmp))
+ reset_mask |= RADEON_RESET_SEM;
+
+ if (G_000E50_GRBM_RQ_PENDING(tmp))
+ reset_mask |= RADEON_RESET_GRBM;
+
+ if (G_000E50_VMC_BUSY(tmp))
+ reset_mask |= RADEON_RESET_VMC;
+
+ if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
+ G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
+ G_000E50_MCDW_BUSY(tmp))
+ reset_mask |= RADEON_RESET_MC;
+
+ if (r600_is_display_hung(rdev))
+ reset_mask |= RADEON_RESET_DISPLAY;
+
+ /* Skip MC reset as it's mostly likely not hung, just busy */
+ if (reset_mask & RADEON_RESET_MC) {
+ DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
+ reset_mask &= ~RADEON_RESET_MC;
+ }
+
+ return reset_mask;
+}
+
+static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
+{
+ struct rv515_mc_save save;
+ u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
+ u32 tmp;
+
+ if (reset_mask == 0)
+ return;
+
+ dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
+
+ r600_print_gpu_status_regs(rdev);
+
+ /* Disable CP parsing/prefetching */
+ if (rdev->family >= CHIP_RV770)
+ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
+ else
+ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
+
+ /* disable the RLC */
+ WREG32(RLC_CNTL, 0);
+
+ if (reset_mask & RADEON_RESET_DMA) {
+ /* Disable DMA */
+ tmp = RREG32(DMA_RB_CNTL);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL, tmp);
+ }
+
+ mdelay(50);
+
+ rv515_mc_stop(rdev, &save);
+ if (r600_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+
+ if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
+ if (rdev->family >= CHIP_RV770)
+ grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
+ S_008020_SOFT_RESET_CB(1) |
+ S_008020_SOFT_RESET_PA(1) |
+ S_008020_SOFT_RESET_SC(1) |
+ S_008020_SOFT_RESET_SPI(1) |
+ S_008020_SOFT_RESET_SX(1) |
+ S_008020_SOFT_RESET_SH(1) |
+ S_008020_SOFT_RESET_TC(1) |
+ S_008020_SOFT_RESET_TA(1) |
+ S_008020_SOFT_RESET_VC(1) |
+ S_008020_SOFT_RESET_VGT(1);
+ else
+ grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
+ S_008020_SOFT_RESET_DB(1) |
+ S_008020_SOFT_RESET_CB(1) |
+ S_008020_SOFT_RESET_PA(1) |
+ S_008020_SOFT_RESET_SC(1) |
+ S_008020_SOFT_RESET_SMX(1) |
+ S_008020_SOFT_RESET_SPI(1) |
+ S_008020_SOFT_RESET_SX(1) |
+ S_008020_SOFT_RESET_SH(1) |
+ S_008020_SOFT_RESET_TC(1) |
+ S_008020_SOFT_RESET_TA(1) |
+ S_008020_SOFT_RESET_VC(1) |
+ S_008020_SOFT_RESET_VGT(1);
+ }
+
+ if (reset_mask & RADEON_RESET_CP) {
+ grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
+ S_008020_SOFT_RESET_VGT(1);
+
+ srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
+ }
+
+ if (reset_mask & RADEON_RESET_DMA) {
+ if (rdev->family >= CHIP_RV770)
+ srbm_soft_reset |= RV770_SOFT_RESET_DMA;
+ else
+ srbm_soft_reset |= SOFT_RESET_DMA;
+ }
+
+ if (reset_mask & RADEON_RESET_RLC)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
+
+ if (reset_mask & RADEON_RESET_SEM)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
+
+ if (reset_mask & RADEON_RESET_IH)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
+
+ if (reset_mask & RADEON_RESET_GRBM)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
+
+ if (!(rdev->flags & RADEON_IS_IGP)) {
+ if (reset_mask & RADEON_RESET_MC)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
+ }
+
+ if (reset_mask & RADEON_RESET_VMC)
+ srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
+
+ if (grbm_soft_reset) {
+ tmp = RREG32(R_008020_GRBM_SOFT_RESET);
+ tmp |= grbm_soft_reset;
+ dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32(R_008020_GRBM_SOFT_RESET, tmp);
+ tmp = RREG32(R_008020_GRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~grbm_soft_reset;
+ WREG32(R_008020_GRBM_SOFT_RESET, tmp);
+ tmp = RREG32(R_008020_GRBM_SOFT_RESET);
+ }
+
+ if (srbm_soft_reset) {
+ tmp = RREG32(SRBM_SOFT_RESET);
+ tmp |= srbm_soft_reset;
+ dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32(SRBM_SOFT_RESET, tmp);
+ tmp = RREG32(SRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~srbm_soft_reset;
+ WREG32(SRBM_SOFT_RESET, tmp);
+ tmp = RREG32(SRBM_SOFT_RESET);
+ }
+
+ /* Wait a little for things to settle down */
+ mdelay(1);
+
+ rv515_mc_resume(rdev, &save);
+ udelay(50);
+
+ r600_print_gpu_status_regs(rdev);
+}
+
+static void r600_gpu_pci_config_reset(struct radeon_device *rdev)
+{
+ struct rv515_mc_save save;
+ u32 tmp, i;
+
+ dev_info(rdev->dev, "GPU pci config reset\n");
+
+ /* disable dpm? */
+
+ /* Disable CP parsing/prefetching */
+ if (rdev->family >= CHIP_RV770)
+ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
+ else
+ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
+
+ /* disable the RLC */
+ WREG32(RLC_CNTL, 0);
+
+ /* Disable DMA */
+ tmp = RREG32(DMA_RB_CNTL);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL, tmp);
+
+ mdelay(50);
+
+ /* set mclk/sclk to bypass */
+ if (rdev->family >= CHIP_RV770)
+ rv770_set_clk_bypass_mode(rdev);
+ /* disable BM */
+ pci_clear_master(rdev->pdev);
+ /* disable mem access */
+ rv515_mc_stop(rdev, &save);
+ if (r600_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+ }
+
+ /* BIF reset workaround. Not sure if this is needed on 6xx */
+ tmp = RREG32(BUS_CNTL);
+ tmp |= VGA_COHE_SPEC_TIMER_DIS;
+ WREG32(BUS_CNTL, tmp);
+
+ tmp = RREG32(BIF_SCRATCH0);
+
+ /* reset */
+ radeon_pci_config_reset(rdev);
+ mdelay(1);
+
+ /* BIF reset workaround. Not sure if this is needed on 6xx */
+ tmp = SOFT_RESET_BIF;
+ WREG32(SRBM_SOFT_RESET, tmp);
+ mdelay(1);
+ WREG32(SRBM_SOFT_RESET, 0);
+
+ /* wait for asic to come out of reset */
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
+ break;
+ udelay(1);
+ }
+}
+
+int r600_asic_reset(struct radeon_device *rdev)
+{
+ u32 reset_mask;
+
+ reset_mask = r600_gpu_check_soft_reset(rdev);
+
+ if (reset_mask)
+ r600_set_bios_scratch_engine_hung(rdev, true);
+
+ /* try soft reset */
+ r600_gpu_soft_reset(rdev, reset_mask);
+
+ reset_mask = r600_gpu_check_soft_reset(rdev);
+
+ /* try pci config reset */
+ if (reset_mask && radeon_hard_reset)
+ r600_gpu_pci_config_reset(rdev);
+
+ reset_mask = r600_gpu_check_soft_reset(rdev);
+
+ if (!reset_mask)
+ r600_set_bios_scratch_engine_hung(rdev, false);
+
+ return 0;
+}
+
+/**
+ * r600_gfx_is_lockup - Check if the GFX engine is locked up
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring structure holding ring information
+ *
+ * Check if the GFX engine is locked up.
+ * Returns true if the engine appears to be locked up, false if not.
+ */
+bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ u32 reset_mask = r600_gpu_check_soft_reset(rdev);
+
+ if (!(reset_mask & (RADEON_RESET_GFX |
+ RADEON_RESET_COMPUTE |
+ RADEON_RESET_CP))) {
+ radeon_ring_lockup_update(rdev, ring);
+ return false;
+ }
+ return radeon_ring_test_lockup(rdev, ring);
+}
+
+u32 r6xx_remap_render_backend(struct radeon_device *rdev,
+ u32 tiling_pipe_num,
+ u32 max_rb_num,
+ u32 total_max_rb_num,
+ u32 disabled_rb_mask)
+{
+ u32 rendering_pipe_num, rb_num_width, req_rb_num;
+ u32 pipe_rb_ratio, pipe_rb_remain, tmp;
+ u32 data = 0, mask = 1 << (max_rb_num - 1);
+ unsigned i, j;
+
+ /* mask out the RBs that don't exist on that asic */
+ tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
+ /* make sure at least one RB is available */
+ if ((tmp & 0xff) != 0xff)
+ disabled_rb_mask = tmp;
+
+ rendering_pipe_num = 1 << tiling_pipe_num;
+ req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
+ BUG_ON(rendering_pipe_num < req_rb_num);
+
+ pipe_rb_ratio = rendering_pipe_num / req_rb_num;
+ pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
+
+ if (rdev->family <= CHIP_RV740) {
+ /* r6xx/r7xx */
+ rb_num_width = 2;
+ } else {
+ /* eg+ */
+ rb_num_width = 4;
+ }
+
+ for (i = 0; i < max_rb_num; i++) {
+ if (!(mask & disabled_rb_mask)) {
+ for (j = 0; j < pipe_rb_ratio; j++) {
+ data <<= rb_num_width;
+ data |= max_rb_num - i - 1;
+ }
+ if (pipe_rb_remain) {
+ data <<= rb_num_width;
+ data |= max_rb_num - i - 1;
+ pipe_rb_remain--;
+ }
+ }
+ mask >>= 1;
+ }
+
+ return data;
+}
+
+int r600_count_pipe_bits(uint32_t val)
+{
+ return hweight32(val);
+}
+
+static void r600_gpu_init(struct radeon_device *rdev)
+{
+ u32 tiling_config;
+ u32 ramcfg;
+ u32 cc_gc_shader_pipe_config;
+ u32 tmp;
+ int i, j;
+ u32 sq_config;
+ u32 sq_gpr_resource_mgmt_1 = 0;
+ u32 sq_gpr_resource_mgmt_2 = 0;
+ u32 sq_thread_resource_mgmt = 0;
+ u32 sq_stack_resource_mgmt_1 = 0;
+ u32 sq_stack_resource_mgmt_2 = 0;
+ u32 disabled_rb_mask;
+
+ rdev->config.r600.tiling_group_size = 256;
+ switch (rdev->family) {
+ case CHIP_R600:
+ rdev->config.r600.max_pipes = 4;
+ rdev->config.r600.max_tile_pipes = 8;
+ rdev->config.r600.max_simds = 4;
+ rdev->config.r600.max_backends = 4;
+ rdev->config.r600.max_gprs = 256;
+ rdev->config.r600.max_threads = 192;
+ rdev->config.r600.max_stack_entries = 256;
+ rdev->config.r600.max_hw_contexts = 8;
+ rdev->config.r600.max_gs_threads = 16;
+ rdev->config.r600.sx_max_export_size = 128;
+ rdev->config.r600.sx_max_export_pos_size = 16;
+ rdev->config.r600.sx_max_export_smx_size = 128;
+ rdev->config.r600.sq_num_cf_insts = 2;
+ break;
+ case CHIP_RV630:
+ case CHIP_RV635:
+ rdev->config.r600.max_pipes = 2;
+ rdev->config.r600.max_tile_pipes = 2;
+ rdev->config.r600.max_simds = 3;
+ rdev->config.r600.max_backends = 1;
+ rdev->config.r600.max_gprs = 128;
+ rdev->config.r600.max_threads = 192;
+ rdev->config.r600.max_stack_entries = 128;
+ rdev->config.r600.max_hw_contexts = 8;
+ rdev->config.r600.max_gs_threads = 4;
+ rdev->config.r600.sx_max_export_size = 128;
+ rdev->config.r600.sx_max_export_pos_size = 16;
+ rdev->config.r600.sx_max_export_smx_size = 128;
+ rdev->config.r600.sq_num_cf_insts = 2;
+ break;
+ case CHIP_RV610:
+ case CHIP_RV620:
+ case CHIP_RS780:
+ case CHIP_RS880:
+ rdev->config.r600.max_pipes = 1;
+ rdev->config.r600.max_tile_pipes = 1;
+ rdev->config.r600.max_simds = 2;
+ rdev->config.r600.max_backends = 1;
+ rdev->config.r600.max_gprs = 128;
+ rdev->config.r600.max_threads = 192;
+ rdev->config.r600.max_stack_entries = 128;
+ rdev->config.r600.max_hw_contexts = 4;
+ rdev->config.r600.max_gs_threads = 4;
+ rdev->config.r600.sx_max_export_size = 128;
+ rdev->config.r600.sx_max_export_pos_size = 16;
+ rdev->config.r600.sx_max_export_smx_size = 128;
+ rdev->config.r600.sq_num_cf_insts = 1;
+ break;
+ case CHIP_RV670:
+ rdev->config.r600.max_pipes = 4;
+ rdev->config.r600.max_tile_pipes = 4;
+ rdev->config.r600.max_simds = 4;
+ rdev->config.r600.max_backends = 4;
+ rdev->config.r600.max_gprs = 192;
+ rdev->config.r600.max_threads = 192;
+ rdev->config.r600.max_stack_entries = 256;
+ rdev->config.r600.max_hw_contexts = 8;
+ rdev->config.r600.max_gs_threads = 16;
+ rdev->config.r600.sx_max_export_size = 128;
+ rdev->config.r600.sx_max_export_pos_size = 16;
+ rdev->config.r600.sx_max_export_smx_size = 128;
+ rdev->config.r600.sq_num_cf_insts = 2;
+ break;
+ default:
+ break;
+ }
+
+ /* Initialize HDP */
+ for (i = 0, j = 0; i < 32; i++, j += 0x18) {
+ WREG32((0x2c14 + j), 0x00000000);
+ WREG32((0x2c18 + j), 0x00000000);
+ WREG32((0x2c1c + j), 0x00000000);
+ WREG32((0x2c20 + j), 0x00000000);
+ WREG32((0x2c24 + j), 0x00000000);
+ }
+
+ WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+
+ /* Setup tiling */
+ tiling_config = 0;
+ ramcfg = RREG32(RAMCFG);
+ switch (rdev->config.r600.max_tile_pipes) {
+ case 1:
+ tiling_config |= PIPE_TILING(0);
+ break;
+ case 2:
+ tiling_config |= PIPE_TILING(1);
+ break;
+ case 4:
+ tiling_config |= PIPE_TILING(2);
+ break;
+ case 8:
+ tiling_config |= PIPE_TILING(3);
+ break;
+ default:
+ break;
+ }
+ rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
+ rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
+ tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
+ tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
+
+ tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
+ if (tmp > 3) {
+ tiling_config |= ROW_TILING(3);
+ tiling_config |= SAMPLE_SPLIT(3);
+ } else {
+ tiling_config |= ROW_TILING(tmp);
+ tiling_config |= SAMPLE_SPLIT(tmp);
+ }
+ tiling_config |= BANK_SWAPS(1);
+
+ cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
+ tmp = rdev->config.r600.max_simds -
+ r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
+ rdev->config.r600.active_simds = tmp;
+
+ disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
+ tmp = 0;
+ for (i = 0; i < rdev->config.r600.max_backends; i++)
+ tmp |= (1 << i);
+ /* if all the backends are disabled, fix it up here */
+ if ((disabled_rb_mask & tmp) == tmp) {
+ for (i = 0; i < rdev->config.r600.max_backends; i++)
+ disabled_rb_mask &= ~(1 << i);
+ }
+ tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
+ tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
+ R6XX_MAX_BACKENDS, disabled_rb_mask);
+ tiling_config |= tmp << 16;
+ rdev->config.r600.backend_map = tmp;
+
+ rdev->config.r600.tile_config = tiling_config;
+ WREG32(GB_TILING_CONFIG, tiling_config);
+ WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
+ WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
+ WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
+
+ tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
+ WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
+ WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
+
+ /* Setup some CP states */
+ WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
+ WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
+
+ WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
+ SYNC_WALKER | SYNC_ALIGNER));
+ /* Setup various GPU states */
+ if (rdev->family == CHIP_RV670)
+ WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
+
+ tmp = RREG32(SX_DEBUG_1);
+ tmp |= SMX_EVENT_RELEASE;
+ if ((rdev->family > CHIP_R600))
+ tmp |= ENABLE_NEW_SMX_ADDRESS;
+ WREG32(SX_DEBUG_1, tmp);
+
+ if (((rdev->family) == CHIP_R600) ||
+ ((rdev->family) == CHIP_RV630) ||
+ ((rdev->family) == CHIP_RV610) ||
+ ((rdev->family) == CHIP_RV620) ||
+ ((rdev->family) == CHIP_RS780) ||
+ ((rdev->family) == CHIP_RS880)) {
+ WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
+ } else {
+ WREG32(DB_DEBUG, 0);
+ }
+ WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
+ DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
+
+ WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
+ WREG32(VGT_NUM_INSTANCES, 0);
+
+ WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
+ WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
+
+ tmp = RREG32(SQ_MS_FIFO_SIZES);
+ if (((rdev->family) == CHIP_RV610) ||
+ ((rdev->family) == CHIP_RV620) ||
+ ((rdev->family) == CHIP_RS780) ||
+ ((rdev->family) == CHIP_RS880)) {
+ tmp = (CACHE_FIFO_SIZE(0xa) |
+ FETCH_FIFO_HIWATER(0xa) |
+ DONE_FIFO_HIWATER(0xe0) |
+ ALU_UPDATE_FIFO_HIWATER(0x8));
+ } else if (((rdev->family) == CHIP_R600) ||
+ ((rdev->family) == CHIP_RV630)) {
+ tmp &= ~DONE_FIFO_HIWATER(0xff);
+ tmp |= DONE_FIFO_HIWATER(0x4);
+ }
+ WREG32(SQ_MS_FIFO_SIZES, tmp);
+
+ /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
+ * should be adjusted as needed by the 2D/3D drivers. This just sets default values
+ */
+ sq_config = RREG32(SQ_CONFIG);
+ sq_config &= ~(PS_PRIO(3) |
+ VS_PRIO(3) |
+ GS_PRIO(3) |
+ ES_PRIO(3));
+ sq_config |= (DX9_CONSTS |
+ VC_ENABLE |
+ PS_PRIO(0) |
+ VS_PRIO(1) |
+ GS_PRIO(2) |
+ ES_PRIO(3));
+
+ if ((rdev->family) == CHIP_R600) {
+ sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
+ NUM_VS_GPRS(124) |
+ NUM_CLAUSE_TEMP_GPRS(4));
+ sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
+ NUM_ES_GPRS(0));
+ sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
+ NUM_VS_THREADS(48) |
+ NUM_GS_THREADS(4) |
+ NUM_ES_THREADS(4));
+ sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
+ NUM_VS_STACK_ENTRIES(128));
+ sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
+ NUM_ES_STACK_ENTRIES(0));
+ } else if (((rdev->family) == CHIP_RV610) ||
+ ((rdev->family) == CHIP_RV620) ||
+ ((rdev->family) == CHIP_RS780) ||
+ ((rdev->family) == CHIP_RS880)) {
+ /* no vertex cache */
+ sq_config &= ~VC_ENABLE;
+
+ sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
+ NUM_VS_GPRS(44) |
+ NUM_CLAUSE_TEMP_GPRS(2));
+ sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
+ NUM_ES_GPRS(17));
+ sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
+ NUM_VS_THREADS(78) |
+ NUM_GS_THREADS(4) |
+ NUM_ES_THREADS(31));
+ sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
+ NUM_VS_STACK_ENTRIES(40));
+ sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
+ NUM_ES_STACK_ENTRIES(16));
+ } else if (((rdev->family) == CHIP_RV630) ||
+ ((rdev->family) == CHIP_RV635)) {
+ sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
+ NUM_VS_GPRS(44) |
+ NUM_CLAUSE_TEMP_GPRS(2));
+ sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
+ NUM_ES_GPRS(18));
+ sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
+ NUM_VS_THREADS(78) |
+ NUM_GS_THREADS(4) |
+ NUM_ES_THREADS(31));
+ sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
+ NUM_VS_STACK_ENTRIES(40));
+ sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
+ NUM_ES_STACK_ENTRIES(16));
+ } else if ((rdev->family) == CHIP_RV670) {
+ sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
+ NUM_VS_GPRS(44) |
+ NUM_CLAUSE_TEMP_GPRS(2));
+ sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
+ NUM_ES_GPRS(17));
+ sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
+ NUM_VS_THREADS(78) |
+ NUM_GS_THREADS(4) |
+ NUM_ES_THREADS(31));
+ sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
+ NUM_VS_STACK_ENTRIES(64));
+ sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
+ NUM_ES_STACK_ENTRIES(64));
+ }
+
+ WREG32(SQ_CONFIG, sq_config);
+ WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
+ WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
+ WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
+ WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
+ WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
+
+ if (((rdev->family) == CHIP_RV610) ||
+ ((rdev->family) == CHIP_RV620) ||
+ ((rdev->family) == CHIP_RS780) ||
+ ((rdev->family) == CHIP_RS880)) {
+ WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
+ } else {
+ WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
+ }
+
+ /* More default values. 2D/3D driver should adjust as needed */
+ WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
+ S1_X(0x4) | S1_Y(0xc)));
+ WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
+ S1_X(0x2) | S1_Y(0x2) |
+ S2_X(0xa) | S2_Y(0x6) |
+ S3_X(0x6) | S3_Y(0xa)));
+ WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
+ S1_X(0x4) | S1_Y(0xc) |
+ S2_X(0x1) | S2_Y(0x6) |
+ S3_X(0xa) | S3_Y(0xe)));
+ WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
+ S5_X(0x0) | S5_Y(0x0) |
+ S6_X(0xb) | S6_Y(0x4) |
+ S7_X(0x7) | S7_Y(0x8)));
+
+ WREG32(VGT_STRMOUT_EN, 0);
+ tmp = rdev->config.r600.max_pipes * 16;
+ switch (rdev->family) {
+ case CHIP_RV610:
+ case CHIP_RV620:
+ case CHIP_RS780:
+ case CHIP_RS880:
+ tmp += 32;
+ break;
+ case CHIP_RV670:
+ tmp += 128;
+ break;
+ default:
+ break;
+ }
+ if (tmp > 256) {
+ tmp = 256;
+ }
+ WREG32(VGT_ES_PER_GS, 128);
+ WREG32(VGT_GS_PER_ES, tmp);
+ WREG32(VGT_GS_PER_VS, 2);
+ WREG32(VGT_GS_VERTEX_REUSE, 16);
+
+ /* more default values. 2D/3D driver should adjust as needed */
+ WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
+ WREG32(VGT_STRMOUT_EN, 0);
+ WREG32(SX_MISC, 0);
+ WREG32(PA_SC_MODE_CNTL, 0);
+ WREG32(PA_SC_AA_CONFIG, 0);
+ WREG32(PA_SC_LINE_STIPPLE, 0);
+ WREG32(SPI_INPUT_Z, 0);
+ WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
+ WREG32(CB_COLOR7_FRAG, 0);
+
+ /* Clear render buffer base addresses */
+ WREG32(CB_COLOR0_BASE, 0);
+ WREG32(CB_COLOR1_BASE, 0);
+ WREG32(CB_COLOR2_BASE, 0);
+ WREG32(CB_COLOR3_BASE, 0);
+ WREG32(CB_COLOR4_BASE, 0);
+ WREG32(CB_COLOR5_BASE, 0);
+ WREG32(CB_COLOR6_BASE, 0);
+ WREG32(CB_COLOR7_BASE, 0);
+ WREG32(CB_COLOR7_FRAG, 0);
+
+ switch (rdev->family) {
+ case CHIP_RV610:
+ case CHIP_RV620:
+ case CHIP_RS780:
+ case CHIP_RS880:
+ tmp = TC_L2_SIZE(8);
+ break;
+ case CHIP_RV630:
+ case CHIP_RV635:
+ tmp = TC_L2_SIZE(4);
+ break;
+ case CHIP_R600:
+ tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
+ break;
+ default:
+ tmp = TC_L2_SIZE(0);
+ break;
+ }
+ WREG32(TC_CNTL, tmp);
+
+ tmp = RREG32(HDP_HOST_PATH_CNTL);
+ WREG32(HDP_HOST_PATH_CNTL, tmp);
+
+ tmp = RREG32(ARB_POP);
+ tmp |= ENABLE_TC128;
+ WREG32(ARB_POP, tmp);
+
+ WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
+ WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
+ NUM_CLIP_SEQ(3)));
+ WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
+ WREG32(VC_ENHANCE, 0);
+}
+
+
+/*
+ * Indirect registers accessor
+ */
+u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
+{
+ unsigned long flags;
+ u32 r;
+
+ spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
+ WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
+ (void)RREG32(PCIE_PORT_INDEX);
+ r = RREG32(PCIE_PORT_DATA);
+ spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
+ return r;
+}
+
+void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
+ WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
+ (void)RREG32(PCIE_PORT_INDEX);
+ WREG32(PCIE_PORT_DATA, (v));
+ (void)RREG32(PCIE_PORT_DATA);
+ spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
+}
+
+/*
+ * CP & Ring
+ */
+void r600_cp_stop(struct radeon_device *rdev)
+{
+ if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
+ radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
+ WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
+ WREG32(SCRATCH_UMSK, 0);
+ rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
+}
+
+int r600_init_microcode(struct radeon_device *rdev)
+{
+ const char *chip_name;
+ const char *rlc_chip_name;
+ const char *smc_chip_name = "RV770";
+ size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
+ char fw_name[30];
+ int err;
+
+ DRM_DEBUG("\n");
+
+ switch (rdev->family) {
+ case CHIP_R600:
+ chip_name = "R600";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RV610:
+ chip_name = "RV610";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RV630:
+ chip_name = "RV630";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RV620:
+ chip_name = "RV620";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RV635:
+ chip_name = "RV635";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RV670:
+ chip_name = "RV670";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RS780:
+ case CHIP_RS880:
+ chip_name = "RS780";
+ rlc_chip_name = "R600";
+ break;
+ case CHIP_RV770:
+ chip_name = "RV770";
+ rlc_chip_name = "R700";
+ smc_chip_name = "RV770";
+ smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_RV730:
+ chip_name = "RV730";
+ rlc_chip_name = "R700";
+ smc_chip_name = "RV730";
+ smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_RV710:
+ chip_name = "RV710";
+ rlc_chip_name = "R700";
+ smc_chip_name = "RV710";
+ smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_RV740:
+ chip_name = "RV730";
+ rlc_chip_name = "R700";
+ smc_chip_name = "RV740";
+ smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_CEDAR:
+ chip_name = "CEDAR";
+ rlc_chip_name = "CEDAR";
+ smc_chip_name = "CEDAR";
+ smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_REDWOOD:
+ chip_name = "REDWOOD";
+ rlc_chip_name = "REDWOOD";
+ smc_chip_name = "REDWOOD";
+ smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_JUNIPER:
+ chip_name = "JUNIPER";
+ rlc_chip_name = "JUNIPER";
+ smc_chip_name = "JUNIPER";
+ smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_CYPRESS:
+ case CHIP_HEMLOCK:
+ chip_name = "CYPRESS";
+ rlc_chip_name = "CYPRESS";
+ smc_chip_name = "CYPRESS";
+ smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
+ break;
+ case CHIP_PALM:
+ chip_name = "PALM";
+ rlc_chip_name = "SUMO";
+ break;
+ case CHIP_SUMO:
+ chip_name = "SUMO";
+ rlc_chip_name = "SUMO";
+ break;
+ case CHIP_SUMO2:
+ chip_name = "SUMO2";
+ rlc_chip_name = "SUMO";
+ break;
+ default: BUG();
+ }
+
+ if (rdev->family >= CHIP_CEDAR) {
+ pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
+ me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
+ rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
+ } else if (rdev->family >= CHIP_RV770) {
+ pfp_req_size = R700_PFP_UCODE_SIZE * 4;
+ me_req_size = R700_PM4_UCODE_SIZE * 4;
+ rlc_req_size = R700_RLC_UCODE_SIZE * 4;
+ } else {
+ pfp_req_size = R600_PFP_UCODE_SIZE * 4;
+ me_req_size = R600_PM4_UCODE_SIZE * 12;
+ rlc_req_size = R600_RLC_UCODE_SIZE * 4;
+ }
+
+ DRM_INFO("Loading %s Microcode\n", chip_name);
+
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
+ err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
+ if (err)
+ goto out;
+ if (rdev->pfp_fw->size != pfp_req_size) {
+ printk(KERN_ERR
+ "r600_cp: Bogus length %zu in firmware \"%s\"\n",
+ rdev->pfp_fw->size, fw_name);
+ err = -EINVAL;
+ goto out;
+ }
+
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
+ err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
+ if (err)
+ goto out;
+ if (rdev->me_fw->size != me_req_size) {
+ printk(KERN_ERR
+ "r600_cp: Bogus length %zu in firmware \"%s\"\n",
+ rdev->me_fw->size, fw_name);
+ err = -EINVAL;
+ }
+
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
+ err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
+ if (err)
+ goto out;
+ if (rdev->rlc_fw->size != rlc_req_size) {
+ printk(KERN_ERR
+ "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
+ rdev->rlc_fw->size, fw_name);
+ err = -EINVAL;
+ }
+
+ if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
+ err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
+ if (err) {
+ printk(KERN_ERR
+ "smc: error loading firmware \"%s\"\n",
+ fw_name);
+ release_firmware(rdev->smc_fw);
+ rdev->smc_fw = NULL;
+ err = 0;
+ } else if (rdev->smc_fw->size != smc_req_size) {
+ printk(KERN_ERR
+ "smc: Bogus length %zu in firmware \"%s\"\n",
+ rdev->smc_fw->size, fw_name);
+ err = -EINVAL;
+ }
+ }
+
+out:
+ if (err) {
+ if (err != -EINVAL)
+ printk(KERN_ERR
+ "r600_cp: Failed to load firmware \"%s\"\n",
+ fw_name);
+ release_firmware(rdev->pfp_fw);
+ rdev->pfp_fw = NULL;
+ release_firmware(rdev->me_fw);
+ rdev->me_fw = NULL;
+ release_firmware(rdev->rlc_fw);
+ rdev->rlc_fw = NULL;
+ release_firmware(rdev->smc_fw);
+ rdev->smc_fw = NULL;
+ }
+ return err;
+}
+
+u32 r600_gfx_get_rptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ u32 rptr;
+
+ if (rdev->wb.enabled)
+ rptr = rdev->wb.wb[ring->rptr_offs/4];
+ else
+ rptr = RREG32(R600_CP_RB_RPTR);
+
+ return rptr;
+}
+
+u32 r600_gfx_get_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ u32 wptr;
+
+ wptr = RREG32(R600_CP_RB_WPTR);
+
+ return wptr;
+}
+
+void r600_gfx_set_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring)
+{
+ WREG32(R600_CP_RB_WPTR, ring->wptr);
+ (void)RREG32(R600_CP_RB_WPTR);
+}
+
+static int r600_cp_load_microcode(struct radeon_device *rdev)
+{
+ const __be32 *fw_data;
+ int i;
+
+ if (!rdev->me_fw || !rdev->pfp_fw)
+ return -EINVAL;
+
+ r600_cp_stop(rdev);
+
+ WREG32(CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+ BUF_SWAP_32BIT |
+#endif
+ RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
+
+ /* Reset cp */
+ WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
+ RREG32(GRBM_SOFT_RESET);
+ mdelay(15);
+ WREG32(GRBM_SOFT_RESET, 0);
+
+ WREG32(CP_ME_RAM_WADDR, 0);
+
+ fw_data = (const __be32 *)rdev->me_fw->data;
+ WREG32(CP_ME_RAM_WADDR, 0);
+ for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
+ WREG32(CP_ME_RAM_DATA,
+ be32_to_cpup(fw_data++));
+
+ fw_data = (const __be32 *)rdev->pfp_fw->data;
+ WREG32(CP_PFP_UCODE_ADDR, 0);
+ for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
+ WREG32(CP_PFP_UCODE_DATA,
+ be32_to_cpup(fw_data++));
+
+ WREG32(CP_PFP_UCODE_ADDR, 0);
+ WREG32(CP_ME_RAM_WADDR, 0);
+ WREG32(CP_ME_RAM_RADDR, 0);
+ return 0;
+}
+
+int r600_cp_start(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ int r;
+ uint32_t cp_me;
+
+ r = radeon_ring_lock(rdev, ring, 7);
+ if (r) {
+ DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
+ return r;
+ }
+ radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
+ radeon_ring_write(ring, 0x1);
+ if (rdev->family >= CHIP_RV770) {
+ radeon_ring_write(ring, 0x0);
+ radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
+ } else {
+ radeon_ring_write(ring, 0x3);
+ radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
+ }
+ radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 0);
+ radeon_ring_unlock_commit(rdev, ring, false);
+
+ cp_me = 0xff;
+ WREG32(R_0086D8_CP_ME_CNTL, cp_me);
+ return 0;
+}
+
+int r600_cp_resume(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ u32 tmp;
+ u32 rb_bufsz;
+ int r;
+
+ /* Reset cp */
+ WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
+ RREG32(GRBM_SOFT_RESET);
+ mdelay(15);
+ WREG32(GRBM_SOFT_RESET, 0);
+
+ /* Set ring buffer size */
+ rb_bufsz = order_base_2(ring->ring_size / 8);
+ tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
+#ifdef __BIG_ENDIAN
+ tmp |= BUF_SWAP_32BIT;
+#endif
+ WREG32(CP_RB_CNTL, tmp);
+ WREG32(CP_SEM_WAIT_TIMER, 0x0);
+
+ /* Set the write pointer delay */
+ WREG32(CP_RB_WPTR_DELAY, 0);
+
+ /* Initialize the ring buffer's read and write pointers */
+ WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
+ WREG32(CP_RB_RPTR_WR, 0);
+ ring->wptr = 0;
+ WREG32(CP_RB_WPTR, ring->wptr);
+
+ /* set the wb address whether it's enabled or not */
+ WREG32(CP_RB_RPTR_ADDR,
+ ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
+ WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
+ WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
+
+ if (rdev->wb.enabled)
+ WREG32(SCRATCH_UMSK, 0xff);
+ else {
+ tmp |= RB_NO_UPDATE;
+ WREG32(SCRATCH_UMSK, 0);
+ }
+
+ mdelay(1);
+ WREG32(CP_RB_CNTL, tmp);
+
+ WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
+ WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
+
+ r600_cp_start(rdev);
+ ring->ready = true;
+ r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
+ if (r) {
+ ring->ready = false;
+ return r;
+ }
+
+ if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
+ radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
+
+ return 0;
+}
+
+void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
+{
+ u32 rb_bufsz;
+ int r;
+
+ /* Align ring size */
+ rb_bufsz = order_base_2(ring_size / 8);
+ ring_size = (1 << (rb_bufsz + 1)) * 4;
+ ring->ring_size = ring_size;
+ ring->align_mask = 16 - 1;
+
+ if (radeon_ring_supports_scratch_reg(rdev, ring)) {
+ r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
+ if (r) {
+ DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
+ ring->rptr_save_reg = 0;
+ }
+ }
+}
+
+void r600_cp_fini(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ r600_cp_stop(rdev);
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
+}
+
+/*
+ * GPU scratch registers helpers function.
+ */
+void r600_scratch_init(struct radeon_device *rdev)
+{
+ int i;
+
+ rdev->scratch.num_reg = 7;
+ rdev->scratch.reg_base = SCRATCH_REG0;
+ for (i = 0; i < rdev->scratch.num_reg; i++) {
+ rdev->scratch.free[i] = true;
+ rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
+ }
+}
+
+int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ uint32_t scratch;
+ uint32_t tmp = 0;
+ unsigned i;
+ int r;
+
+ r = radeon_scratch_get(rdev, &scratch);
+ if (r) {
+ DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
+ return r;
+ }
+ WREG32(scratch, 0xCAFEDEAD);
+ r = radeon_ring_lock(rdev, ring, 3);
+ if (r) {
+ DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
+ radeon_scratch_free(rdev, scratch);
+ return r;
+ }
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
+ radeon_ring_write(ring, 0xDEADBEEF);
+ radeon_ring_unlock_commit(rdev, ring, false);
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ tmp = RREG32(scratch);
+ if (tmp == 0xDEADBEEF)
+ break;
+ DRM_UDELAY(1);
+ }
+ if (i < rdev->usec_timeout) {
+ DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
+ } else {
+ DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
+ ring->idx, scratch, tmp);
+ r = -EINVAL;
+ }
+ radeon_scratch_free(rdev, scratch);
+ return r;
+}
+
+/*
+ * CP fences/semaphores
+ */
+
+void r600_fence_ring_emit(struct radeon_device *rdev,
+ struct radeon_fence *fence)
+{
+ struct radeon_ring *ring = &rdev->ring[fence->ring];
+ u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA |
+ PACKET3_SH_ACTION_ENA;
+
+ if (rdev->family >= CHIP_RV770)
+ cp_coher_cntl |= PACKET3_FULL_CACHE_ENA;
+
+ if (rdev->wb.use_event) {
+ u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
+ /* flush read cache over gart */
+ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ radeon_ring_write(ring, cp_coher_cntl);
+ radeon_ring_write(ring, 0xFFFFFFFF);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 10); /* poll interval */
+ /* EVENT_WRITE_EOP - flush caches, send int */
+ radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
+ radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
+ radeon_ring_write(ring, lower_32_bits(addr));
+ radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
+ radeon_ring_write(ring, fence->seq);
+ radeon_ring_write(ring, 0);
+ } else {
+ /* flush read cache over gart */
+ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ radeon_ring_write(ring, cp_coher_cntl);
+ radeon_ring_write(ring, 0xFFFFFFFF);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 10); /* poll interval */
+ radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
+ radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
+ /* wait for 3D idle clean */
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
+ /* Emit fence sequence & fire IRQ */
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
+ radeon_ring_write(ring, fence->seq);
+ /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
+ radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
+ radeon_ring_write(ring, RB_INT_STAT);
+ }
+}
+
+/**
+ * r600_semaphore_ring_emit - emit a semaphore on the CP ring
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon ring buffer object
+ * @semaphore: radeon semaphore object
+ * @emit_wait: Is this a sempahore wait?
+ *
+ * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
+ * from running ahead of semaphore waits.
+ */
+bool r600_semaphore_ring_emit(struct radeon_device *rdev,
+ struct radeon_ring *ring,
+ struct radeon_semaphore *semaphore,
+ bool emit_wait)
+{
+ uint64_t addr = semaphore->gpu_addr;
+ unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
+
+ if (rdev->family < CHIP_CAYMAN)
+ sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
+
+ radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
+ radeon_ring_write(ring, lower_32_bits(addr));
+ radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
+
+ /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */
+ if (emit_wait && (rdev->family >= CHIP_CEDAR)) {
+ /* Prevent the PFP from running ahead of the semaphore wait */
+ radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+ radeon_ring_write(ring, 0x0);
+ }
+
+ return true;
+}
+
+/**
+ * r600_copy_cpdma - copy pages using the CP DMA engine
+ *
+ * @rdev: radeon_device pointer
+ * @src_offset: src GPU address
+ * @dst_offset: dst GPU address
+ * @num_gpu_pages: number of GPU pages to xfer
+ * @fence: radeon fence object
+ *
+ * Copy GPU paging using the CP DMA engine (r6xx+).
+ * Used by the radeon ttm implementation to move pages if
+ * registered as the asic copy callback.
+ */
+struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
+ uint64_t src_offset, uint64_t dst_offset,
+ unsigned num_gpu_pages,
+ struct reservation_object *resv)
+{
+ struct radeon_fence *fence;
+ struct radeon_sync sync;
+ int ring_index = rdev->asic->copy.blit_ring_index;
+ struct radeon_ring *ring = &rdev->ring[ring_index];
+ u32 size_in_bytes, cur_size_in_bytes, tmp;
+ int i, num_loops;
+ int r = 0;
+
+ radeon_sync_create(&sync);
+
+ size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
+ num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
+ r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
+ if (r) {
+ DRM_ERROR("radeon: moving bo (%d).\n", r);
+ radeon_sync_free(rdev, &sync, NULL);
+ return ERR_PTR(r);
+ }
+
+ radeon_sync_resv(rdev, &sync, resv, false);
+ radeon_sync_rings(rdev, &sync, ring->idx);
+
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ radeon_ring_write(ring, WAIT_3D_IDLE_bit);
+ for (i = 0; i < num_loops; i++) {
+ cur_size_in_bytes = size_in_bytes;
+ if (cur_size_in_bytes > 0x1fffff)
+ cur_size_in_bytes = 0x1fffff;
+ size_in_bytes -= cur_size_in_bytes;
+ tmp = upper_32_bits(src_offset) & 0xff;
+ if (size_in_bytes == 0)
+ tmp |= PACKET3_CP_DMA_CP_SYNC;
+ radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
+ radeon_ring_write(ring, lower_32_bits(src_offset));
+ radeon_ring_write(ring, tmp);
+ radeon_ring_write(ring, lower_32_bits(dst_offset));
+ radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
+ radeon_ring_write(ring, cur_size_in_bytes);
+ src_offset += cur_size_in_bytes;
+ dst_offset += cur_size_in_bytes;
+ }
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
+
+ r = radeon_fence_emit(rdev, &fence, ring->idx);
+ if (r) {
+ radeon_ring_unlock_undo(rdev, ring);
+ radeon_sync_free(rdev, &sync, NULL);
+ return ERR_PTR(r);
+ }
+
+ radeon_ring_unlock_commit(rdev, ring, false);
+ radeon_sync_free(rdev, &sync, fence);
+
+ return fence;
+}
+
+int r600_set_surface_reg(struct radeon_device *rdev, int reg,
+ uint32_t tiling_flags, uint32_t pitch,
+ uint32_t offset, uint32_t obj_size)
+{
+ /* FIXME: implement */
+ return 0;
+}
+
+void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
+{
+ /* FIXME: implement */
+}
+
+static int r600_startup(struct radeon_device *rdev)
+{
+ struct radeon_ring *ring;
+ int r;
+
+ /* enable pcie gen2 link */
+ r600_pcie_gen2_enable(rdev);
+
+ /* scratch needs to be initialized before MC */
+ r = r600_vram_scratch_init(rdev);
+ if (r)
+ return r;
+
+ r600_mc_program(rdev);
+
+ if (rdev->flags & RADEON_IS_AGP) {
+ r600_agp_enable(rdev);
+ } else {
+ r = r600_pcie_gart_enable(rdev);
+ if (r)
+ return r;
+ }
+ r600_gpu_init(rdev);
+
+ /* 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;
+ }
+
+ if (rdev->has_uvd) {
+ r = uvd_v1_0_resume(rdev);
+ if (!r) {
+ r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
+ if (r) {
+ dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
+ }
+ }
+ if (r)
+ rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
+ }
+
+ /* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
+ r = r600_irq_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: IH init failed (%d).\n", r);
+ radeon_irq_kms_fini(rdev);
+ return r;
+ }
+ r600_irq_set(rdev);
+
+ ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
+ RADEON_CP_PACKET2);
+ if (r)
+ return r;
+
+ r = r600_cp_load_microcode(rdev);
+ if (r)
+ return r;
+ r = r600_cp_resume(rdev);
+ if (r)
+ return r;
+
+ if (rdev->has_uvd) {
+ ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+ if (ring->ring_size) {
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
+ RADEON_CP_PACKET2);
+ if (!r)
+ r = uvd_v1_0_init(rdev);
+ if (r)
+ DRM_ERROR("radeon: failed initializing UVD (%d).\n", 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) {
+ DRM_ERROR("radeon: audio init failed\n");
+ return r;
+ }
+
+ return 0;
+}
+
+void r600_vga_set_state(struct radeon_device *rdev, bool state)
+{
+ uint32_t temp;
+
+ temp = RREG32(CONFIG_CNTL);
+ if (state == false) {
+ temp &= ~(1<<0);
+ temp |= (1<<1);
+ } else {
+ temp &= ~(1<<1);
+ }
+ WREG32(CONFIG_CNTL, temp);
+}
+
+int r600_resume(struct radeon_device *rdev)
+{
+ int r;
+
+ /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
+ * posting will perform necessary task to bring back GPU into good
+ * shape.
+ */
+ /* post card */
+ atom_asic_init(rdev->mode_info.atom_context);
+
+ if (rdev->pm.pm_method == PM_METHOD_DPM)
+ radeon_pm_resume(rdev);
+
+ rdev->accel_working = true;
+ r = r600_startup(rdev);
+ if (r) {
+ DRM_ERROR("r600 startup failed on resume\n");
+ rdev->accel_working = false;
+ return r;
+ }
+
+ return r;
+}
+
+int r600_suspend(struct radeon_device *rdev)
+{
+ radeon_pm_suspend(rdev);
+ radeon_audio_fini(rdev);
+ r600_cp_stop(rdev);
+ if (rdev->has_uvd) {
+ uvd_v1_0_fini(rdev);
+ radeon_uvd_suspend(rdev);
+ }
+ r600_irq_suspend(rdev);
+ radeon_wb_disable(rdev);
+ r600_pcie_gart_disable(rdev);
+
+ return 0;
+}
+
+/* Plan is to move initialization in that function and use
+ * helper function so that radeon_device_init pretty much
+ * do nothing more than calling asic specific function. This
+ * should also allow to remove a bunch of callback function
+ * like vram_info.
+ */
+int r600_init(struct radeon_device *rdev)
+{
+ int r;
+
+ if (r600_debugfs_mc_info_init(rdev)) {
+ DRM_ERROR("Failed to register debugfs file for mc !\n");
+ }
+ /* Read BIOS */
+ if (!radeon_get_bios(rdev)) {
+ if (ASIC_IS_AVIVO(rdev))
+ return -EINVAL;
+ }
+ /* Must be an ATOMBIOS */
+ if (!rdev->is_atom_bios) {
+ dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
+ return -EINVAL;
+ }
+ r = radeon_atombios_init(rdev);
+ if (r)
+ return r;
+ /* Post card if necessary */
+ if (!radeon_card_posted(rdev)) {
+ if (!rdev->bios) {
+ dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
+ return -EINVAL;
+ }
+ DRM_INFO("GPU not posted. posting now...\n");
+ atom_asic_init(rdev->mode_info.atom_context);
+ }
+ /* Initialize scratch registers */
+ r600_scratch_init(rdev);
+ /* Initialize surface registers */
+ radeon_surface_init(rdev);
+ /* Initialize clocks */
+ radeon_get_clock_info(rdev->ddev);
+ /* Fence driver */
+ r = radeon_fence_driver_init(rdev);
+ if (r)
+ return r;
+ if (rdev->flags & RADEON_IS_AGP) {
+ r = radeon_agp_init(rdev);
+ if (r)
+ radeon_agp_disable(rdev);
+ }
+ r = r600_mc_init(rdev);
+ if (r)
+ return r;
+ /* Memory manager */
+ r = radeon_bo_init(rdev);
+ if (r)
+ return r;
+
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+ r = r600_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+
+ /* Initialize power management */
+ radeon_pm_init(rdev);
+
+ rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
+ r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
+
+ if (rdev->has_uvd) {
+ r = radeon_uvd_init(rdev);
+ if (!r) {
+ rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
+ r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
+ }
+ }
+
+ rdev->ih.ring_obj = NULL;
+ r600_ih_ring_init(rdev, 64 * 1024);
+
+ r = r600_pcie_gart_init(rdev);
+ if (r)
+ return r;
+
+ rdev->accel_working = true;
+ r = r600_startup(rdev);
+ if (r) {
+ dev_err(rdev->dev, "disabling GPU acceleration\n");
+ r600_cp_fini(rdev);
+ r600_irq_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ r600_pcie_gart_fini(rdev);
+ rdev->accel_working = false;
+ }
+
+ return 0;
+}
+
+void r600_fini(struct radeon_device *rdev)
+{
+ radeon_pm_fini(rdev);
+ radeon_audio_fini(rdev);
+ r600_cp_fini(rdev);
+ r600_irq_fini(rdev);
+ if (rdev->has_uvd) {
+ uvd_v1_0_fini(rdev);
+ radeon_uvd_fini(rdev);
+ }
+ radeon_wb_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ r600_pcie_gart_fini(rdev);
+ r600_vram_scratch_fini(rdev);
+ radeon_agp_fini(rdev);
+ radeon_gem_fini(rdev);
+ radeon_fence_driver_fini(rdev);
+ radeon_bo_fini(rdev);
+ radeon_atombios_fini(rdev);
+ kfree(rdev->bios);
+ rdev->bios = NULL;
+}
+
+
+/*
+ * CS stuff
+ */
+void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
+{
+ struct radeon_ring *ring = &rdev->ring[ib->ring];
+ u32 next_rptr;
+
+ if (ring->rptr_save_reg) {
+ next_rptr = ring->wptr + 3 + 4;
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((ring->rptr_save_reg -
+ PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
+ radeon_ring_write(ring, next_rptr);
+ } else if (rdev->wb.enabled) {
+ next_rptr = ring->wptr + 5 + 4;
+ radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
+ radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
+ radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
+ radeon_ring_write(ring, next_rptr);
+ radeon_ring_write(ring, 0);
+ }
+
+ radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
+ radeon_ring_write(ring,
+#ifdef __BIG_ENDIAN
+ (2 << 0) |
+#endif
+ (ib->gpu_addr & 0xFFFFFFFC));
+ radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
+ radeon_ring_write(ring, ib->length_dw);
+}
+
+int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ struct radeon_ib ib;
+ uint32_t scratch;
+ uint32_t tmp = 0;
+ unsigned i;
+ int r;
+
+ r = radeon_scratch_get(rdev, &scratch);
+ if (r) {
+ DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
+ return r;
+ }
+ WREG32(scratch, 0xCAFEDEAD);
+ r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
+ if (r) {
+ DRM_ERROR("radeon: failed to get ib (%d).\n", r);
+ goto free_scratch;
+ }
+ ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
+ ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+ ib.ptr[2] = 0xDEADBEEF;
+ ib.length_dw = 3;
+ r = radeon_ib_schedule(rdev, &ib, NULL, false);
+ if (r) {
+ DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
+ goto free_ib;
+ }
+ r = radeon_fence_wait(ib.fence, false);
+ if (r) {
+ DRM_ERROR("radeon: fence wait failed (%d).\n", r);
+ goto free_ib;
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ tmp = RREG32(scratch);
+ if (tmp == 0xDEADBEEF)
+ break;
+ DRM_UDELAY(1);
+ }
+ if (i < rdev->usec_timeout) {
+ DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
+ } else {
+ DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
+ scratch, tmp);
+ r = -EINVAL;
+ }
+free_ib:
+ radeon_ib_free(rdev, &ib);
+free_scratch:
+ radeon_scratch_free(rdev, scratch);
+ return r;
+}
+
+/*
+ * Interrupts
+ *
+ * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
+ * the same as the CP ring buffer, but in reverse. Rather than the CPU
+ * writing to the ring and the GPU consuming, the GPU writes to the ring
+ * and host consumes. As the host irq handler processes interrupts, it
+ * increments the rptr. When the rptr catches up with the wptr, all the
+ * current interrupts have been processed.
+ */
+
+void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
+{
+ u32 rb_bufsz;
+
+ /* Align ring size */
+ rb_bufsz = order_base_2(ring_size / 4);
+ ring_size = (1 << rb_bufsz) * 4;
+ rdev->ih.ring_size = ring_size;
+ rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
+ rdev->ih.rptr = 0;
+}
+
+int r600_ih_ring_alloc(struct radeon_device *rdev)
+{
+ int r;
+
+ /* Allocate ring buffer */
+ if (rdev->ih.ring_obj == NULL) {
+ r = radeon_bo_create(rdev, rdev->ih.ring_size,
+ PAGE_SIZE, true,
+ RADEON_GEM_DOMAIN_GTT, 0,
+ NULL, NULL, &rdev->ih.ring_obj);
+ if (r) {
+ DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
+ return r;
+ }
+ r = radeon_bo_reserve(rdev->ih.ring_obj, false);
+ if (unlikely(r != 0))
+ return r;
+ r = radeon_bo_pin(rdev->ih.ring_obj,
+ RADEON_GEM_DOMAIN_GTT,
+ &rdev->ih.gpu_addr);
+ if (r) {
+ radeon_bo_unreserve(rdev->ih.ring_obj);
+ DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
+ return r;
+ }
+ r = radeon_bo_kmap(rdev->ih.ring_obj,
+ (void **)&rdev->ih.ring);
+ radeon_bo_unreserve(rdev->ih.ring_obj);
+ if (r) {
+ DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
+ return r;
+ }
+ }
+ return 0;
+}
+
+void r600_ih_ring_fini(struct radeon_device *rdev)
+{
+ int r;
+ if (rdev->ih.ring_obj) {
+ r = radeon_bo_reserve(rdev->ih.ring_obj, false);
+ if (likely(r == 0)) {
+ radeon_bo_kunmap(rdev->ih.ring_obj);
+ radeon_bo_unpin(rdev->ih.ring_obj);
+ radeon_bo_unreserve(rdev->ih.ring_obj);
+ }
+ radeon_bo_unref(&rdev->ih.ring_obj);
+ rdev->ih.ring = NULL;
+ rdev->ih.ring_obj = NULL;
+ }
+}
+
+void r600_rlc_stop(struct radeon_device *rdev)
+{
+
+ if ((rdev->family >= CHIP_RV770) &&
+ (rdev->family <= CHIP_RV740)) {
+ /* r7xx asics need to soft reset RLC before halting */
+ WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
+ RREG32(SRBM_SOFT_RESET);
+ mdelay(15);
+ WREG32(SRBM_SOFT_RESET, 0);
+ RREG32(SRBM_SOFT_RESET);
+ }
+
+ WREG32(RLC_CNTL, 0);
+}
+
+static void r600_rlc_start(struct radeon_device *rdev)
+{
+ WREG32(RLC_CNTL, RLC_ENABLE);
+}
+
+static int r600_rlc_resume(struct radeon_device *rdev)
+{
+ u32 i;
+ const __be32 *fw_data;
+
+ if (!rdev->rlc_fw)
+ return -EINVAL;
+
+ r600_rlc_stop(rdev);
+
+ WREG32(RLC_HB_CNTL, 0);
+
+ WREG32(RLC_HB_BASE, 0);
+ WREG32(RLC_HB_RPTR, 0);
+ WREG32(RLC_HB_WPTR, 0);
+ WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
+ WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
+ WREG32(RLC_MC_CNTL, 0);
+ WREG32(RLC_UCODE_CNTL, 0);
+
+ fw_data = (const __be32 *)rdev->rlc_fw->data;
+ if (rdev->family >= CHIP_RV770) {
+ for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
+ WREG32(RLC_UCODE_ADDR, i);
+ WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
+ }
+ } else {
+ for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
+ WREG32(RLC_UCODE_ADDR, i);
+ WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
+ }
+ }
+ WREG32(RLC_UCODE_ADDR, 0);
+
+ r600_rlc_start(rdev);
+
+ return 0;
+}
+
+static void r600_enable_interrupts(struct radeon_device *rdev)
+{
+ u32 ih_cntl = RREG32(IH_CNTL);
+ u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
+
+ ih_cntl |= ENABLE_INTR;
+ ih_rb_cntl |= IH_RB_ENABLE;
+ WREG32(IH_CNTL, ih_cntl);
+ WREG32(IH_RB_CNTL, ih_rb_cntl);
+ rdev->ih.enabled = true;
+}
+
+void r600_disable_interrupts(struct radeon_device *rdev)
+{
+ u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
+ u32 ih_cntl = RREG32(IH_CNTL);
+
+ ih_rb_cntl &= ~IH_RB_ENABLE;
+ ih_cntl &= ~ENABLE_INTR;
+ WREG32(IH_RB_CNTL, ih_rb_cntl);
+ WREG32(IH_CNTL, ih_cntl);
+ /* set rptr, wptr to 0 */
+ WREG32(IH_RB_RPTR, 0);
+ WREG32(IH_RB_WPTR, 0);
+ rdev->ih.enabled = false;
+ rdev->ih.rptr = 0;
+}
+
+static void r600_disable_interrupt_state(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
+ tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
+ WREG32(DMA_CNTL, tmp);
+ WREG32(GRBM_INT_CNTL, 0);
+ WREG32(DxMODE_INT_MASK, 0);
+ WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
+ WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
+ if (ASIC_IS_DCE3(rdev)) {
+ WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
+ WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
+ tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD1_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD2_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD3_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD4_INT_CONTROL, tmp);
+ if (ASIC_IS_DCE32(rdev)) {
+ tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD5_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD6_INT_CONTROL, tmp);
+ tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
+ tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
+ } else {
+ tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
+ tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
+ }
+ } else {
+ WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
+ WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
+ tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
+ WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
+ tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
+ tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
+ }
+}
+
+int r600_irq_init(struct radeon_device *rdev)
+{
+ int ret = 0;
+ int rb_bufsz;
+ u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
+
+ /* allocate ring */
+ ret = r600_ih_ring_alloc(rdev);
+ if (ret)
+ return ret;
+
+ /* disable irqs */
+ r600_disable_interrupts(rdev);
+
+ /* init rlc */
+ if (rdev->family >= CHIP_CEDAR)
+ ret = evergreen_rlc_resume(rdev);
+ else
+ ret = r600_rlc_resume(rdev);
+ if (ret) {
+ r600_ih_ring_fini(rdev);
+ return ret;
+ }
+
+ /* setup interrupt control */
+ /* set dummy read address to ring address */
+ WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
+ interrupt_cntl = RREG32(INTERRUPT_CNTL);
+ /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
+ * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
+ */
+ interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
+ /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
+ interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
+ WREG32(INTERRUPT_CNTL, interrupt_cntl);
+
+ WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
+ rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
+
+ ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
+ IH_WPTR_OVERFLOW_CLEAR |
+ (rb_bufsz << 1));
+
+ if (rdev->wb.enabled)
+ ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
+
+ /* set the writeback address whether it's enabled or not */
+ WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
+ WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
+
+ WREG32(IH_RB_CNTL, ih_rb_cntl);
+
+ /* set rptr, wptr to 0 */
+ WREG32(IH_RB_RPTR, 0);
+ WREG32(IH_RB_WPTR, 0);
+
+ /* Default settings for IH_CNTL (disabled at first) */
+ ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
+ /* RPTR_REARM only works if msi's are enabled */
+ if (rdev->msi_enabled)
+ ih_cntl |= RPTR_REARM;
+ WREG32(IH_CNTL, ih_cntl);
+
+ /* force the active interrupt state to all disabled */
+ if (rdev->family >= CHIP_CEDAR)
+ evergreen_disable_interrupt_state(rdev);
+ else
+ r600_disable_interrupt_state(rdev);
+
+ /* at this point everything should be setup correctly to enable master */
+ pci_set_master(rdev->pdev);
+
+ /* enable irqs */
+ r600_enable_interrupts(rdev);
+
+ return ret;
+}
+
+void r600_irq_suspend(struct radeon_device *rdev)
+{
+ r600_irq_disable(rdev);
+ r600_rlc_stop(rdev);
+}
+
+void r600_irq_fini(struct radeon_device *rdev)
+{
+ r600_irq_suspend(rdev);
+ r600_ih_ring_fini(rdev);
+}
+
+int r600_irq_set(struct radeon_device *rdev)
+{
+ u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
+ u32 mode_int = 0;
+ u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
+ u32 grbm_int_cntl = 0;
+ u32 hdmi0, hdmi1;
+ u32 dma_cntl;
+ u32 thermal_int = 0;
+
+ if (!rdev->irq.installed) {
+ WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
+ return -EINVAL;
+ }
+ /* don't enable anything if the ih is disabled */
+ if (!rdev->ih.enabled) {
+ r600_disable_interrupts(rdev);
+ /* force the active interrupt state to all disabled */
+ r600_disable_interrupt_state(rdev);
+ return 0;
+ }
+
+ if (ASIC_IS_DCE3(rdev)) {
+ hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ if (ASIC_IS_DCE32(rdev)) {
+ hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
+ hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
+ } else {
+ hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ }
+ } else {
+ hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
+ }
+
+ dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
+
+ if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
+ thermal_int = RREG32(CG_THERMAL_INT) &
+ ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
+ } else if (rdev->family >= CHIP_RV770) {
+ thermal_int = RREG32(RV770_CG_THERMAL_INT) &
+ ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
+ }
+ if (rdev->irq.dpm_thermal) {
+ DRM_DEBUG("dpm thermal\n");
+ thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
+ }
+
+ if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
+ DRM_DEBUG("r600_irq_set: sw int\n");
+ cp_int_cntl |= RB_INT_ENABLE;
+ cp_int_cntl |= TIME_STAMP_INT_ENABLE;
+ }
+
+ if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
+ DRM_DEBUG("r600_irq_set: sw int dma\n");
+ dma_cntl |= TRAP_ENABLE;
+ }
+
+ if (rdev->irq.crtc_vblank_int[0] ||
+ atomic_read(&rdev->irq.pflip[0])) {
+ DRM_DEBUG("r600_irq_set: vblank 0\n");
+ mode_int |= D1MODE_VBLANK_INT_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[1] ||
+ atomic_read(&rdev->irq.pflip[1])) {
+ DRM_DEBUG("r600_irq_set: vblank 1\n");
+ mode_int |= D2MODE_VBLANK_INT_MASK;
+ }
+ if (rdev->irq.hpd[0]) {
+ DRM_DEBUG("r600_irq_set: hpd 1\n");
+ hpd1 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[1]) {
+ DRM_DEBUG("r600_irq_set: hpd 2\n");
+ hpd2 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[2]) {
+ DRM_DEBUG("r600_irq_set: hpd 3\n");
+ hpd3 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[3]) {
+ DRM_DEBUG("r600_irq_set: hpd 4\n");
+ hpd4 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[4]) {
+ DRM_DEBUG("r600_irq_set: hpd 5\n");
+ hpd5 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[5]) {
+ DRM_DEBUG("r600_irq_set: hpd 6\n");
+ hpd6 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.afmt[0]) {
+ DRM_DEBUG("r600_irq_set: hdmi 0\n");
+ hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
+ }
+ if (rdev->irq.afmt[1]) {
+ DRM_DEBUG("r600_irq_set: hdmi 0\n");
+ hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
+ }
+
+ WREG32(CP_INT_CNTL, cp_int_cntl);
+ WREG32(DMA_CNTL, dma_cntl);
+ WREG32(DxMODE_INT_MASK, mode_int);
+ WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
+ WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
+ WREG32(GRBM_INT_CNTL, grbm_int_cntl);
+ if (ASIC_IS_DCE3(rdev)) {
+ WREG32(DC_HPD1_INT_CONTROL, hpd1);
+ WREG32(DC_HPD2_INT_CONTROL, hpd2);
+ WREG32(DC_HPD3_INT_CONTROL, hpd3);
+ WREG32(DC_HPD4_INT_CONTROL, hpd4);
+ if (ASIC_IS_DCE32(rdev)) {
+ WREG32(DC_HPD5_INT_CONTROL, hpd5);
+ WREG32(DC_HPD6_INT_CONTROL, hpd6);
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
+ } else {
+ WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
+ WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
+ }
+ } else {
+ WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
+ WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
+ WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
+ WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
+ WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
+ }
+ if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
+ WREG32(CG_THERMAL_INT, thermal_int);
+ } else if (rdev->family >= CHIP_RV770) {
+ WREG32(RV770_CG_THERMAL_INT, thermal_int);
+ }
+
+ /* posting read */
+ RREG32(R_000E50_SRBM_STATUS);
+
+ return 0;
+}
+
+static void r600_irq_ack(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ if (ASIC_IS_DCE3(rdev)) {
+ rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
+ rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
+ rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
+ if (ASIC_IS_DCE32(rdev)) {
+ rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
+ rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
+ } else {
+ rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
+ rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
+ }
+ } else {
+ rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
+ rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
+ rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
+ rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
+ rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
+ }
+ rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
+ rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
+
+ if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
+ WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
+ WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
+ WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
+ WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
+ WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
+ WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
+ if (ASIC_IS_DCE3(rdev)) {
+ tmp = RREG32(DC_HPD1_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD1_INT_CONTROL, tmp);
+ } else {
+ tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
+ }
+ }
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
+ if (ASIC_IS_DCE3(rdev)) {
+ tmp = RREG32(DC_HPD2_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD2_INT_CONTROL, tmp);
+ } else {
+ tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
+ }
+ }
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
+ if (ASIC_IS_DCE3(rdev)) {
+ tmp = RREG32(DC_HPD3_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD3_INT_CONTROL, tmp);
+ } else {
+ tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
+ }
+ }
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
+ tmp = RREG32(DC_HPD4_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD4_INT_CONTROL, tmp);
+ }
+ if (ASIC_IS_DCE32(rdev)) {
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
+ tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD5_INT_CONTROL, tmp);
+ }
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
+ tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD6_INT_CONTROL, tmp);
+ }
+ if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
+ tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
+ tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
+ }
+ if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
+ tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
+ tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
+ }
+ } else {
+ if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
+ tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
+ tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
+ WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
+ }
+ if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
+ if (ASIC_IS_DCE3(rdev)) {
+ tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
+ tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
+ WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
+ } else {
+ tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
+ tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
+ WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
+ }
+ }
+ }
+}
+
+void r600_irq_disable(struct radeon_device *rdev)
+{
+ r600_disable_interrupts(rdev);
+ /* Wait and acknowledge irq */
+ mdelay(1);
+ r600_irq_ack(rdev);
+ r600_disable_interrupt_state(rdev);
+}
+
+static u32 r600_get_ih_wptr(struct radeon_device *rdev)
+{
+ u32 wptr, tmp;
+
+ if (rdev->wb.enabled)
+ wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
+ else
+ wptr = RREG32(IH_RB_WPTR);
+
+ if (wptr & RB_OVERFLOW) {
+ wptr &= ~RB_OVERFLOW;
+ /* When a ring buffer overflow happen start parsing interrupt
+ * from the last not overwritten vector (wptr + 16). Hopefully
+ * this should allow us to catchup.
+ */
+ dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
+ wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
+ rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
+ tmp = RREG32(IH_RB_CNTL);
+ tmp |= IH_WPTR_OVERFLOW_CLEAR;
+ WREG32(IH_RB_CNTL, tmp);
+ }
+ return (wptr & rdev->ih.ptr_mask);
+}
+
+/* r600 IV Ring
+ * Each IV ring entry is 128 bits:
+ * [7:0] - interrupt source id
+ * [31:8] - reserved
+ * [59:32] - interrupt source data
+ * [127:60] - reserved
+ *
+ * The basic interrupt vector entries
+ * are decoded as follows:
+ * src_id src_data description
+ * 1 0 D1 Vblank
+ * 1 1 D1 Vline
+ * 5 0 D2 Vblank
+ * 5 1 D2 Vline
+ * 19 0 FP Hot plug detection A
+ * 19 1 FP Hot plug detection B
+ * 19 2 DAC A auto-detection
+ * 19 3 DAC B auto-detection
+ * 21 4 HDMI block A
+ * 21 5 HDMI block B
+ * 176 - CP_INT RB
+ * 177 - CP_INT IB1
+ * 178 - CP_INT IB2
+ * 181 - EOP Interrupt
+ * 233 - GUI Idle
+ *
+ * Note, these are based on r600 and may need to be
+ * adjusted or added to on newer asics
+ */
+
+int r600_irq_process(struct radeon_device *rdev)
+{
+ u32 wptr;
+ u32 rptr;
+ u32 src_id, src_data;
+ u32 ring_index;
+ bool queue_hotplug = false;
+ bool queue_hdmi = false;
+ bool queue_thermal = false;
+
+ if (!rdev->ih.enabled || rdev->shutdown)
+ return IRQ_NONE;
+
+ /* No MSIs, need a dummy read to flush PCI DMAs */
+ if (!rdev->msi_enabled)
+ RREG32(IH_RB_WPTR);
+
+ wptr = r600_get_ih_wptr(rdev);
+
+restart_ih:
+ /* is somebody else already processing irqs? */
+ if (atomic_xchg(&rdev->ih.lock, 1))
+ return IRQ_NONE;
+
+ rptr = rdev->ih.rptr;
+ DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
+
+ /* Order reading of wptr vs. reading of IH ring data */
+ rmb();
+
+ /* display interrupts */
+ r600_irq_ack(rdev);
+
+ while (rptr != wptr) {
+ /* wptr/rptr are in bytes! */
+ ring_index = rptr / 4;
+ src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
+ src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
+
+ switch (src_id) {
+ case 1: /* D1 vblank/vline */
+ switch (src_data) {
+ case 0: /* D1 vblank */
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
+ 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);
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D1 vblank\n");
+ }
+ break;
+ case 1: /* D1 vline */
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D1 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 5: /* D2 vblank/vline */
+ switch (src_data) {
+ case 0: /* D2 vblank */
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
+ 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);
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D2 vblank\n");
+ }
+ break;
+ case 1: /* D1 vline */
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D2 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 9: /* D1 pflip */
+ DRM_DEBUG("IH: D1 flip\n");
+ if (radeon_use_pflipirq > 0)
+ radeon_crtc_handle_flip(rdev, 0);
+ break;
+ case 11: /* D2 pflip */
+ DRM_DEBUG("IH: D2 flip\n");
+ if (radeon_use_pflipirq > 0)
+ radeon_crtc_handle_flip(rdev, 1);
+ break;
+ case 19: /* HPD/DAC hotplug */
+ switch (src_data) {
+ case 0:
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD1\n");
+ }
+ break;
+ case 1:
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD2\n");
+ }
+ break;
+ case 4:
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD3\n");
+ }
+ break;
+ case 5:
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD4\n");
+ }
+ break;
+ case 10:
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD5\n");
+ }
+ break;
+ case 12:
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD6\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 21: /* hdmi */
+ switch (src_data) {
+ case 4:
+ if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
+ rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
+ queue_hdmi = true;
+ DRM_DEBUG("IH: HDMI0\n");
+ }
+ break;
+ case 5:
+ if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
+ rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
+ queue_hdmi = true;
+ DRM_DEBUG("IH: HDMI1\n");
+ }
+ break;
+ default:
+ DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 124: /* UVD */
+ DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
+ radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
+ break;
+ case 176: /* CP_INT in ring buffer */
+ case 177: /* CP_INT in IB1 */
+ case 178: /* CP_INT in IB2 */
+ DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
+ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
+ break;
+ case 181: /* CP EOP event */
+ DRM_DEBUG("IH: CP EOP\n");
+ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
+ break;
+ case 224: /* DMA trap event */
+ DRM_DEBUG("IH: DMA trap\n");
+ radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
+ break;
+ case 230: /* thermal low to high */
+ DRM_DEBUG("IH: thermal low to high\n");
+ rdev->pm.dpm.thermal.high_to_low = false;
+ queue_thermal = true;
+ break;
+ case 231: /* thermal high to low */
+ DRM_DEBUG("IH: thermal high to low\n");
+ rdev->pm.dpm.thermal.high_to_low = true;
+ queue_thermal = true;
+ break;
+ case 233: /* GUI IDLE */
+ DRM_DEBUG("IH: GUI idle\n");
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+
+ /* wptr/rptr are in bytes! */
+ rptr += 16;
+ rptr &= rdev->ih.ptr_mask;
+ WREG32(IH_RB_RPTR, rptr);
+ }
+ if (queue_hotplug)
+ schedule_work(&rdev->hotplug_work);
+ if (queue_hdmi)
+ schedule_work(&rdev->audio_work);
+ if (queue_thermal && rdev->pm.dpm_enabled)
+ schedule_work(&rdev->pm.dpm.thermal.work);
+ rdev->ih.rptr = rptr;
+ atomic_set(&rdev->ih.lock, 0);
+
+ /* make sure wptr hasn't changed while processing */
+ wptr = r600_get_ih_wptr(rdev);
+ if (wptr != rptr)
+ goto restart_ih;
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Debugfs info
+ */
+#if defined(CONFIG_DEBUG_FS)
+
+static int r600_debugfs_mc_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
+ DREG32_SYS(m, rdev, VM_L2_STATUS);
+ return 0;
+}
+
+static struct drm_info_list r600_mc_info_list[] = {
+ {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
+};
+#endif
+
+int r600_debugfs_mc_info_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
+#else
+ return 0;
+#endif
+}
+
+/**
+ * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO
+ * rdev: radeon device structure
+ *
+ * Some R6XX/R7XX don't seem to take into account HDP flushes performed
+ * through the ring buffer. This leads to corruption in rendering, see
+ * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we
+ * directly perform the HDP flush by writing the register through MMIO.
+ */
+void r600_mmio_hdp_flush(struct radeon_device *rdev)
+{
+ /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
+ * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
+ * This seems to cause problems on some AGP cards. Just use the old
+ * method for them.
+ */
+ if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
+ rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
+ void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
+ u32 tmp;
+
+ WREG32(HDP_DEBUG1, 0);
+ tmp = readl((void __iomem *)ptr);
+ } else
+ WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
+}
+
+void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
+{
+ u32 link_width_cntl, mask;
+
+ if (rdev->flags & RADEON_IS_IGP)
+ return;
+
+ if (!(rdev->flags & RADEON_IS_PCIE))
+ return;
+
+ /* x2 cards have a special sequence */
+ if (ASIC_IS_X2(rdev))
+ return;
+
+ radeon_gui_idle(rdev);
+
+ switch (lanes) {
+ case 0:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
+ break;
+ case 1:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
+ break;
+ case 2:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
+ break;
+ case 4:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
+ break;
+ case 8:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
+ break;
+ case 12:
+ /* not actually supported */
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
+ break;
+ case 16:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
+ break;
+ default:
+ DRM_ERROR("invalid pcie lane request: %d\n", lanes);
+ return;
+ }
+
+ link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+ link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
+ link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
+ link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
+ R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
+
+ WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+}
+
+int r600_get_pcie_lanes(struct radeon_device *rdev)
+{
+ u32 link_width_cntl;
+
+ if (rdev->flags & RADEON_IS_IGP)
+ return 0;
+
+ if (!(rdev->flags & RADEON_IS_PCIE))
+ return 0;
+
+ /* x2 cards have a special sequence */
+ if (ASIC_IS_X2(rdev))
+ return 0;
+
+ radeon_gui_idle(rdev);
+
+ link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+
+ switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
+ case RADEON_PCIE_LC_LINK_WIDTH_X1:
+ return 1;
+ case RADEON_PCIE_LC_LINK_WIDTH_X2:
+ return 2;
+ case RADEON_PCIE_LC_LINK_WIDTH_X4:
+ return 4;
+ case RADEON_PCIE_LC_LINK_WIDTH_X8:
+ return 8;
+ case RADEON_PCIE_LC_LINK_WIDTH_X12:
+ /* not actually supported */
+ return 12;
+ case RADEON_PCIE_LC_LINK_WIDTH_X0:
+ case RADEON_PCIE_LC_LINK_WIDTH_X16:
+ default:
+ return 16;
+ }
+}
+
+static void r600_pcie_gen2_enable(struct radeon_device *rdev)
+{
+ u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
+ u16 link_cntl2;
+
+ if (radeon_pcie_gen2 == 0)
+ return;
+
+ if (rdev->flags & RADEON_IS_IGP)
+ return;
+
+ if (!(rdev->flags & RADEON_IS_PCIE))
+ return;
+
+ /* x2 cards have a special sequence */
+ if (ASIC_IS_X2(rdev))
+ return;
+
+ /* only RV6xx+ chips are supported */
+ if (rdev->family <= CHIP_R600)
+ return;
+
+ if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
+ (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
+ return;
+
+ speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
+ if (speed_cntl & LC_CURRENT_DATA_RATE) {
+ DRM_INFO("PCIE gen 2 link speeds already enabled\n");
+ return;
+ }
+
+ DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
+
+ /* 55 nm r6xx asics */
+ if ((rdev->family == CHIP_RV670) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RV635)) {
+ /* advertise upconfig capability */
+ link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
+ link_width_cntl &= ~LC_UPCONFIGURE_DIS;
+ WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
+ if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
+ lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
+ link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
+ LC_RECONFIG_ARC_MISSING_ESCAPE);
+ link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
+ WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ } else {
+ link_width_cntl |= LC_UPCONFIGURE_DIS;
+ WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ }
+ }
+
+ speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
+ if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
+ (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
+
+ /* 55 nm r6xx asics */
+ if ((rdev->family == CHIP_RV670) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RV635)) {
+ WREG32(MM_CFGREGS_CNTL, 0x8);
+ link_cntl2 = RREG32(0x4088);
+ WREG32(MM_CFGREGS_CNTL, 0);
+ /* not supported yet */
+ if (link_cntl2 & SELECTABLE_DEEMPHASIS)
+ return;
+ }
+
+ speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
+ speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
+ speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
+ speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
+ speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
+ WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
+
+ tmp = RREG32(0x541c);
+ WREG32(0x541c, tmp | 0x8);
+ WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
+ link_cntl2 = RREG16(0x4088);
+ link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
+ link_cntl2 |= 0x2;
+ WREG16(0x4088, link_cntl2);
+ WREG32(MM_CFGREGS_CNTL, 0);
+
+ if ((rdev->family == CHIP_RV670) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RV635)) {
+ training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
+ training_cntl &= ~LC_POINT_7_PLUS_EN;
+ WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
+ } else {
+ speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
+ speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
+ WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
+ }
+
+ speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
+ speed_cntl |= LC_GEN2_EN_STRAP;
+ WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
+
+ } else {
+ link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
+ /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
+ if (1)
+ link_width_cntl |= LC_UPCONFIGURE_DIS;
+ else
+ link_width_cntl &= ~LC_UPCONFIGURE_DIS;
+ WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ }
+}
+
+/**
+ * r600_get_gpu_clock_counter - return GPU clock counter snapshot
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Fetches a GPU clock counter snapshot (R6xx-cayman).
+ * Returns the 64 bit clock counter snapshot.
+ */
+uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
+{
+ uint64_t clock;
+
+ mutex_lock(&rdev->gpu_clock_mutex);
+ WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
+ clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
+ ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
+ mutex_unlock(&rdev->gpu_clock_mutex);
+ return clock;
+}
Code Review / kvmfornfv.git / blobdiff