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path: root/drivers/gpu/drm/radeon/r100.c
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-rw-r--r--drivers/gpu/drm/radeon/r100.c4113
1 files changed, 4113 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
new file mode 100644
index 0000000..46470dd
--- /dev/null
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -0,0 +1,4113 @@
+/*
+ * 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/seq_file.h>
+#include <linux/slab.h>
+#include <drm/drmP.h>
+#include <drm/radeon_drm.h>
+#include "radeon_reg.h"
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "r100d.h"
+#include "rs100d.h"
+#include "rv200d.h"
+#include "rv250d.h"
+#include "atom.h"
+
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+
+#include "r100_reg_safe.h"
+#include "rn50_reg_safe.h"
+
+/* Firmware Names */
+#define FIRMWARE_R100 "radeon/R100_cp.bin"
+#define FIRMWARE_R200 "radeon/R200_cp.bin"
+#define FIRMWARE_R300 "radeon/R300_cp.bin"
+#define FIRMWARE_R420 "radeon/R420_cp.bin"
+#define FIRMWARE_RS690 "radeon/RS690_cp.bin"
+#define FIRMWARE_RS600 "radeon/RS600_cp.bin"
+#define FIRMWARE_R520 "radeon/R520_cp.bin"
+
+MODULE_FIRMWARE(FIRMWARE_R100);
+MODULE_FIRMWARE(FIRMWARE_R200);
+MODULE_FIRMWARE(FIRMWARE_R300);
+MODULE_FIRMWARE(FIRMWARE_R420);
+MODULE_FIRMWARE(FIRMWARE_RS690);
+MODULE_FIRMWARE(FIRMWARE_RS600);
+MODULE_FIRMWARE(FIRMWARE_R520);
+
+#include "r100_track.h"
+
+/* This files gather functions specifics to:
+ * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
+ * and others in some cases.
+ */
+
+static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
+{
+ if (crtc == 0) {
+ if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
+ return true;
+ else
+ return false;
+ } else {
+ if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
+ return true;
+ else
+ return false;
+ }
+}
+
+static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
+{
+ u32 vline1, vline2;
+
+ if (crtc == 0) {
+ vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ } else {
+ vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ }
+ if (vline1 != vline2)
+ return true;
+ else
+ return false;
+}
+
+/**
+ * r100_wait_for_vblank - vblank wait asic callback.
+ *
+ * @rdev: radeon_device pointer
+ * @crtc: crtc to wait for vblank on
+ *
+ * Wait for vblank on the requested crtc (r1xx-r4xx).
+ */
+void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
+{
+ unsigned i = 0;
+
+ if (crtc >= rdev->num_crtc)
+ return;
+
+ if (crtc == 0) {
+ if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
+ return;
+ } else {
+ if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
+ return;
+ }
+
+ /* depending on when we hit vblank, we may be close to active; if so,
+ * wait for another frame.
+ */
+ while (r100_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!r100_is_counter_moving(rdev, crtc))
+ break;
+ }
+ }
+
+ while (!r100_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!r100_is_counter_moving(rdev, crtc))
+ break;
+ }
+ }
+}
+
+/**
+ * r100_pre_page_flip - pre-pageflip callback.
+ *
+ * @rdev: radeon_device pointer
+ * @crtc: crtc to prepare for pageflip on
+ *
+ * Pre-pageflip callback (r1xx-r4xx).
+ * Enables the pageflip irq (vblank irq).
+ */
+void r100_pre_page_flip(struct radeon_device *rdev, int crtc)
+{
+ /* enable the pflip int */
+ radeon_irq_kms_pflip_irq_get(rdev, crtc);
+}
+
+/**
+ * r100_post_page_flip - pos-pageflip callback.
+ *
+ * @rdev: radeon_device pointer
+ * @crtc: crtc to cleanup pageflip on
+ *
+ * Post-pageflip callback (r1xx-r4xx).
+ * Disables the pageflip irq (vblank irq).
+ */
+void r100_post_page_flip(struct radeon_device *rdev, int crtc)
+{
+ /* disable the pflip int */
+ radeon_irq_kms_pflip_irq_put(rdev, crtc);
+}
+
+/**
+ * r100_page_flip - pageflip callback.
+ *
+ * @rdev: radeon_device pointer
+ * @crtc_id: crtc to cleanup pageflip on
+ * @crtc_base: new address of the crtc (GPU MC address)
+ *
+ * Does the actual pageflip (r1xx-r4xx).
+ * During vblank we take the crtc lock and wait for the update_pending
+ * bit to go high, when it does, we release the lock, and allow the
+ * double buffered update to take place.
+ * Returns the current update pending status.
+ */
+u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
+ u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
+ int i;
+
+ /* Lock the graphics update lock */
+ /* update the scanout addresses */
+ WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
+
+ /* Wait for update_pending to go high. */
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
+ break;
+ udelay(1);
+ }
+ DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
+
+ /* Unlock the lock, so double-buffering can take place inside vblank */
+ tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
+ WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
+
+ /* Return current update_pending status: */
+ return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET;
+}
+
+/**
+ * r100_pm_get_dynpm_state - look up dynpm power state callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Look up the optimal power state based on the
+ * current state of the GPU (r1xx-r5xx).
+ * Used for dynpm only.
+ */
+void r100_pm_get_dynpm_state(struct radeon_device *rdev)
+{
+ int i;
+ rdev->pm.dynpm_can_upclock = true;
+ rdev->pm.dynpm_can_downclock = true;
+
+ switch (rdev->pm.dynpm_planned_action) {
+ case DYNPM_ACTION_MINIMUM:
+ rdev->pm.requested_power_state_index = 0;
+ rdev->pm.dynpm_can_downclock = false;
+ break;
+ case DYNPM_ACTION_DOWNCLOCK:
+ if (rdev->pm.current_power_state_index == 0) {
+ 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
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index - 1;
+ }
+ /* 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[0].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;
+ }
+ break;
+ case DYNPM_ACTION_DEFAULT:
+ rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.dynpm_can_upclock = false;
+ break;
+ case DYNPM_ACTION_NONE:
+ default:
+ DRM_ERROR("Requested mode for not defined action\n");
+ return;
+ }
+ /* only one clock mode per power state */
+ rdev->pm.requested_clock_mode_index = 0;
+
+ 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);
+}
+
+/**
+ * r100_pm_init_profile - Initialize power profiles callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Initialize the power states used in profile mode
+ * (r1xx-r3xx).
+ * Used for profile mode only.
+ */
+void r100_pm_init_profile(struct radeon_device *rdev)
+{
+ /* 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 = 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 = 0;
+ 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 = 0;
+ 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 = 0;
+ 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;
+}
+
+/**
+ * r100_pm_misc - set additional pm hw parameters callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Set non-clock parameters associated with a power state
+ * (voltage, pcie lanes, etc.) (r1xx-r4xx).
+ */
+void r100_pm_misc(struct radeon_device *rdev)
+{
+ int requested_index = rdev->pm.requested_power_state_index;
+ struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
+ struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
+ u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
+
+ if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
+ if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ tmp = RREG32(voltage->gpio.reg);
+ if (voltage->active_high)
+ tmp |= voltage->gpio.mask;
+ else
+ tmp &= ~(voltage->gpio.mask);
+ WREG32(voltage->gpio.reg, tmp);
+ if (voltage->delay)
+ udelay(voltage->delay);
+ } else {
+ tmp = RREG32(voltage->gpio.reg);
+ if (voltage->active_high)
+ tmp &= ~voltage->gpio.mask;
+ else
+ tmp |= voltage->gpio.mask;
+ WREG32(voltage->gpio.reg, tmp);
+ if (voltage->delay)
+ udelay(voltage->delay);
+ }
+ }
+
+ sclk_cntl = RREG32_PLL(SCLK_CNTL);
+ sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
+ sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
+ sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
+ sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
+ if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
+ sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
+ if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
+ sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
+ else
+ sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
+ if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
+ sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
+ else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
+ sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
+ } else
+ sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
+
+ if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
+ sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
+ if (voltage->delay) {
+ sclk_more_cntl |= VOLTAGE_DROP_SYNC;
+ switch (voltage->delay) {
+ case 33:
+ sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
+ break;
+ case 66:
+ sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
+ break;
+ case 99:
+ sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
+ break;
+ case 132:
+ sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
+ break;
+ }
+ } else
+ sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
+ } else
+ sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
+
+ if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
+ sclk_cntl &= ~FORCE_HDP;
+ else
+ sclk_cntl |= FORCE_HDP;
+
+ WREG32_PLL(SCLK_CNTL, sclk_cntl);
+ WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
+ WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
+
+ /* set pcie lanes */
+ if ((rdev->flags & RADEON_IS_PCIE) &&
+ !(rdev->flags & RADEON_IS_IGP) &&
+ rdev->asic->pm.set_pcie_lanes &&
+ (ps->pcie_lanes !=
+ rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
+ radeon_set_pcie_lanes(rdev,
+ ps->pcie_lanes);
+ DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
+ }
+}
+
+/**
+ * r100_pm_prepare - pre-power state change callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Prepare for a power state change (r1xx-r4xx).
+ */
+void r100_pm_prepare(struct radeon_device *rdev)
+{
+ struct drm_device *ddev = rdev->ddev;
+ struct drm_crtc *crtc;
+ struct radeon_crtc *radeon_crtc;
+ u32 tmp;
+
+ /* disable any active CRTCs */
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+ radeon_crtc = to_radeon_crtc(crtc);
+ if (radeon_crtc->enabled) {
+ if (radeon_crtc->crtc_id) {
+ tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+ tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+ } else {
+ tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+ tmp |= RADEON_CRTC_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+ }
+ }
+ }
+}
+
+/**
+ * r100_pm_finish - post-power state change callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Clean up after a power state change (r1xx-r4xx).
+ */
+void r100_pm_finish(struct radeon_device *rdev)
+{
+ struct drm_device *ddev = rdev->ddev;
+ struct drm_crtc *crtc;
+ struct radeon_crtc *radeon_crtc;
+ u32 tmp;
+
+ /* enable any active CRTCs */
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+ radeon_crtc = to_radeon_crtc(crtc);
+ if (radeon_crtc->enabled) {
+ if (radeon_crtc->crtc_id) {
+ tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+ tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+ } else {
+ tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+ tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+ }
+ }
+ }
+}
+
+/**
+ * r100_gui_idle - gui idle callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
+ * Returns true if idle, false if not.
+ */
+bool r100_gui_idle(struct radeon_device *rdev)
+{
+ if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
+ return false;
+ else
+ return true;
+}
+
+/* hpd for digital panel detect/disconnect */
+/**
+ * r100_hpd_sense - hpd sense callback.
+ *
+ * @rdev: radeon_device pointer
+ * @hpd: hpd (hotplug detect) pin
+ *
+ * Checks if a digital monitor is connected (r1xx-r4xx).
+ * Returns true if connected, false if not connected.
+ */
+bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
+{
+ bool connected = false;
+
+ switch (hpd) {
+ case RADEON_HPD_1:
+ if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
+ connected = true;
+ break;
+ case RADEON_HPD_2:
+ if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
+ connected = true;
+ break;
+ default:
+ break;
+ }
+ return connected;
+}
+
+/**
+ * r100_hpd_set_polarity - hpd set polarity callback.
+ *
+ * @rdev: radeon_device pointer
+ * @hpd: hpd (hotplug detect) pin
+ *
+ * Set the polarity of the hpd pin (r1xx-r4xx).
+ */
+void r100_hpd_set_polarity(struct radeon_device *rdev,
+ enum radeon_hpd_id hpd)
+{
+ u32 tmp;
+ bool connected = r100_hpd_sense(rdev, hpd);
+
+ switch (hpd) {
+ case RADEON_HPD_1:
+ tmp = RREG32(RADEON_FP_GEN_CNTL);
+ if (connected)
+ tmp &= ~RADEON_FP_DETECT_INT_POL;
+ else
+ tmp |= RADEON_FP_DETECT_INT_POL;
+ WREG32(RADEON_FP_GEN_CNTL, tmp);
+ break;
+ case RADEON_HPD_2:
+ tmp = RREG32(RADEON_FP2_GEN_CNTL);
+ if (connected)
+ tmp &= ~RADEON_FP2_DETECT_INT_POL;
+ else
+ tmp |= RADEON_FP2_DETECT_INT_POL;
+ WREG32(RADEON_FP2_GEN_CNTL, tmp);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * r100_hpd_init - hpd setup callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Setup the hpd pins used by the card (r1xx-r4xx).
+ * Set the polarity, and enable the hpd interrupts.
+ */
+void r100_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);
+ enable |= 1 << radeon_connector->hpd.hpd;
+ radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
+ }
+ radeon_irq_kms_enable_hpd(rdev, enable);
+}
+
+/**
+ * r100_hpd_fini - hpd tear down callback.
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Tear down the hpd pins used by the card (r1xx-r4xx).
+ * Disable the hpd interrupts.
+ */
+void r100_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);
+ disable |= 1 << radeon_connector->hpd.hpd;
+ }
+ radeon_irq_kms_disable_hpd(rdev, disable);
+}
+
+/*
+ * PCI GART
+ */
+void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
+{
+ /* TODO: can we do somethings here ? */
+ /* It seems hw only cache one entry so we should discard this
+ * entry otherwise if first GPU GART read hit this entry it
+ * could end up in wrong address. */
+}
+
+int r100_pci_gart_init(struct radeon_device *rdev)
+{
+ int r;
+
+ if (rdev->gart.ptr) {
+ WARN(1, "R100 PCI 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 * 4;
+ rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
+ rdev->asic->gart.set_page = &r100_pci_gart_set_page;
+ return radeon_gart_table_ram_alloc(rdev);
+}
+
+int r100_pci_gart_enable(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+
+ radeon_gart_restore(rdev);
+ /* discard memory request outside of configured range */
+ tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
+ WREG32(RADEON_AIC_CNTL, tmp);
+ /* set address range for PCI address translate */
+ WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
+ WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
+ /* set PCI GART page-table base address */
+ WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
+ tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
+ WREG32(RADEON_AIC_CNTL, tmp);
+ r100_pci_gart_tlb_flush(rdev);
+ DRM_INFO("PCI 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;
+}
+
+void r100_pci_gart_disable(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+
+ /* discard memory request outside of configured range */
+ tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
+ WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
+ WREG32(RADEON_AIC_LO_ADDR, 0);
+ WREG32(RADEON_AIC_HI_ADDR, 0);
+}
+
+int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
+{
+ u32 *gtt = rdev->gart.ptr;
+
+ if (i < 0 || i > rdev->gart.num_gpu_pages) {
+ return -EINVAL;
+ }
+ gtt[i] = cpu_to_le32(lower_32_bits(addr));
+ return 0;
+}
+
+void r100_pci_gart_fini(struct radeon_device *rdev)
+{
+ radeon_gart_fini(rdev);
+ r100_pci_gart_disable(rdev);
+ radeon_gart_table_ram_free(rdev);
+}
+
+int r100_irq_set(struct radeon_device *rdev)
+{
+ uint32_t tmp = 0;
+
+ if (!rdev->irq.installed) {
+ WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
+ WREG32(R_000040_GEN_INT_CNTL, 0);
+ return -EINVAL;
+ }
+ if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
+ tmp |= RADEON_SW_INT_ENABLE;
+ }
+ if (rdev->irq.crtc_vblank_int[0] ||
+ atomic_read(&rdev->irq.pflip[0])) {
+ tmp |= RADEON_CRTC_VBLANK_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[1] ||
+ atomic_read(&rdev->irq.pflip[1])) {
+ tmp |= RADEON_CRTC2_VBLANK_MASK;
+ }
+ if (rdev->irq.hpd[0]) {
+ tmp |= RADEON_FP_DETECT_MASK;
+ }
+ if (rdev->irq.hpd[1]) {
+ tmp |= RADEON_FP2_DETECT_MASK;
+ }
+ WREG32(RADEON_GEN_INT_CNTL, tmp);
+ return 0;
+}
+
+void r100_irq_disable(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ WREG32(R_000040_GEN_INT_CNTL, 0);
+ /* Wait and acknowledge irq */
+ mdelay(1);
+ tmp = RREG32(R_000044_GEN_INT_STATUS);
+ WREG32(R_000044_GEN_INT_STATUS, tmp);
+}
+
+static uint32_t r100_irq_ack(struct radeon_device *rdev)
+{
+ uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
+ uint32_t irq_mask = RADEON_SW_INT_TEST |
+ RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
+ RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
+
+ if (irqs) {
+ WREG32(RADEON_GEN_INT_STATUS, irqs);
+ }
+ return irqs & irq_mask;
+}
+
+int r100_irq_process(struct radeon_device *rdev)
+{
+ uint32_t status, msi_rearm;
+ bool queue_hotplug = false;
+
+ status = r100_irq_ack(rdev);
+ if (!status) {
+ return IRQ_NONE;
+ }
+ if (rdev->shutdown) {
+ return IRQ_NONE;
+ }
+ while (status) {
+ /* SW interrupt */
+ if (status & RADEON_SW_INT_TEST) {
+ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
+ }
+ /* Vertical blank interrupts */
+ if (status & RADEON_CRTC_VBLANK_STAT) {
+ 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_flip(rdev, 0);
+ }
+ if (status & RADEON_CRTC2_VBLANK_STAT) {
+ 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_flip(rdev, 1);
+ }
+ if (status & RADEON_FP_DETECT_STAT) {
+ queue_hotplug = true;
+ DRM_DEBUG("HPD1\n");
+ }
+ if (status & RADEON_FP2_DETECT_STAT) {
+ queue_hotplug = true;
+ DRM_DEBUG("HPD2\n");
+ }
+ status = r100_irq_ack(rdev);
+ }
+ if (queue_hotplug)
+ schedule_work(&rdev->hotplug_work);
+ if (rdev->msi_enabled) {
+ switch (rdev->family) {
+ case CHIP_RS400:
+ case CHIP_RS480:
+ msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
+ WREG32(RADEON_AIC_CNTL, msi_rearm);
+ WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
+ break;
+ default:
+ WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
+ break;
+ }
+ }
+ return IRQ_HANDLED;
+}
+
+u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
+{
+ if (crtc == 0)
+ return RREG32(RADEON_CRTC_CRNT_FRAME);
+ else
+ return RREG32(RADEON_CRTC2_CRNT_FRAME);
+}
+
+/* Who ever call radeon_fence_emit should call ring_lock and ask
+ * for enough space (today caller are ib schedule and buffer move) */
+void r100_fence_ring_emit(struct radeon_device *rdev,
+ struct radeon_fence *fence)
+{
+ struct radeon_ring *ring = &rdev->ring[fence->ring];
+
+ /* We have to make sure that caches are flushed before
+ * CPU might read something from VRAM. */
+ radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
+ radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
+ radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
+ radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
+ /* Wait until IDLE & CLEAN */
+ radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
+ radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
+ radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
+ radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
+ RADEON_HDP_READ_BUFFER_INVALIDATE);
+ radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
+ radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
+ /* Emit fence sequence & fire IRQ */
+ radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
+ radeon_ring_write(ring, fence->seq);
+ radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
+ radeon_ring_write(ring, RADEON_SW_INT_FIRE);
+}
+
+void r100_semaphore_ring_emit(struct radeon_device *rdev,
+ struct radeon_ring *ring,
+ struct radeon_semaphore *semaphore,
+ bool emit_wait)
+{
+ /* Unused on older asics, since we don't have semaphores or multiple rings */
+ BUG();
+}
+
+int r100_copy_blit(struct radeon_device *rdev,
+ uint64_t src_offset,
+ uint64_t dst_offset,
+ unsigned num_gpu_pages,
+ struct radeon_fence **fence)
+{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ uint32_t cur_pages;
+ uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
+ uint32_t pitch;
+ uint32_t stride_pixels;
+ unsigned ndw;
+ int num_loops;
+ int r = 0;
+
+ /* radeon limited to 16k stride */
+ stride_bytes &= 0x3fff;
+ /* radeon pitch is /64 */
+ pitch = stride_bytes / 64;
+ stride_pixels = stride_bytes / 4;
+ num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
+
+ /* Ask for enough room for blit + flush + fence */
+ ndw = 64 + (10 * num_loops);
+ r = radeon_ring_lock(rdev, ring, ndw);
+ if (r) {
+ DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
+ return -EINVAL;
+ }
+ while (num_gpu_pages > 0) {
+ cur_pages = num_gpu_pages;
+ if (cur_pages > 8191) {
+ cur_pages = 8191;
+ }
+ num_gpu_pages -= cur_pages;
+
+ /* pages are in Y direction - height
+ page width in X direction - width */
+ radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
+ radeon_ring_write(ring,
+ RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
+ RADEON_GMC_DST_PITCH_OFFSET_CNTL |
+ RADEON_GMC_SRC_CLIPPING |
+ RADEON_GMC_DST_CLIPPING |
+ RADEON_GMC_BRUSH_NONE |
+ (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
+ RADEON_GMC_SRC_DATATYPE_COLOR |
+ RADEON_ROP3_S |
+ RADEON_DP_SRC_SOURCE_MEMORY |
+ RADEON_GMC_CLR_CMP_CNTL_DIS |
+ RADEON_GMC_WR_MSK_DIS);
+ radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
+ radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
+ radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
+ radeon_ring_write(ring, num_gpu_pages);
+ radeon_ring_write(ring, num_gpu_pages);
+ radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
+ }
+ radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
+ radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
+ radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
+ radeon_ring_write(ring,
+ RADEON_WAIT_2D_IDLECLEAN |
+ RADEON_WAIT_HOST_IDLECLEAN |
+ RADEON_WAIT_DMA_GUI_IDLE);
+ if (fence) {
+ r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
+ }
+ radeon_ring_unlock_commit(rdev, ring);
+ return r;
+}
+
+static int r100_cp_wait_for_idle(struct radeon_device *rdev)
+{
+ unsigned i;
+ u32 tmp;
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ tmp = RREG32(R_000E40_RBBM_STATUS);
+ if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
+ return 0;
+ }
+ udelay(1);
+ }
+ return -1;
+}
+
+void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ int r;
+
+ r = radeon_ring_lock(rdev, ring, 2);
+ if (r) {
+ return;
+ }
+ radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
+ radeon_ring_write(ring,
+ RADEON_ISYNC_ANY2D_IDLE3D |
+ RADEON_ISYNC_ANY3D_IDLE2D |
+ RADEON_ISYNC_WAIT_IDLEGUI |
+ RADEON_ISYNC_CPSCRATCH_IDLEGUI);
+ radeon_ring_unlock_commit(rdev, ring);
+}
+
+
+/* Load the microcode for the CP */
+static int r100_cp_init_microcode(struct radeon_device *rdev)
+{
+ struct platform_device *pdev;
+ const char *fw_name = NULL;
+ int err;
+
+ DRM_DEBUG_KMS("\n");
+
+ pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
+ err = IS_ERR(pdev);
+ if (err) {
+ printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
+ return -EINVAL;
+ }
+ if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
+ (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
+ (rdev->family == CHIP_RS200)) {
+ DRM_INFO("Loading R100 Microcode\n");
+ fw_name = FIRMWARE_R100;
+ } else if ((rdev->family == CHIP_R200) ||
+ (rdev->family == CHIP_RV250) ||
+ (rdev->family == CHIP_RV280) ||
+ (rdev->family == CHIP_RS300)) {
+ DRM_INFO("Loading R200 Microcode\n");
+ fw_name = FIRMWARE_R200;
+ } else if ((rdev->family == CHIP_R300) ||
+ (rdev->family == CHIP_R350) ||
+ (rdev->family == CHIP_RV350) ||
+ (rdev->family == CHIP_RV380) ||
+ (rdev->family == CHIP_RS400) ||
+ (rdev->family == CHIP_RS480)) {
+ DRM_INFO("Loading R300 Microcode\n");
+ fw_name = FIRMWARE_R300;
+ } else if ((rdev->family == CHIP_R420) ||
+ (rdev->family == CHIP_R423) ||
+ (rdev->family == CHIP_RV410)) {
+ DRM_INFO("Loading R400 Microcode\n");
+ fw_name = FIRMWARE_R420;
+ } else if ((rdev->family == CHIP_RS690) ||
+ (rdev->family == CHIP_RS740)) {
+ DRM_INFO("Loading RS690/RS740 Microcode\n");
+ fw_name = FIRMWARE_RS690;
+ } else if (rdev->family == CHIP_RS600) {
+ DRM_INFO("Loading RS600 Microcode\n");
+ fw_name = FIRMWARE_RS600;
+ } else if ((rdev->family == CHIP_RV515) ||
+ (rdev->family == CHIP_R520) ||
+ (rdev->family == CHIP_RV530) ||
+ (rdev->family == CHIP_R580) ||
+ (rdev->family == CHIP_RV560) ||
+ (rdev->family == CHIP_RV570)) {
+ DRM_INFO("Loading R500 Microcode\n");
+ fw_name = FIRMWARE_R520;
+ }
+
+ err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
+ platform_device_unregister(pdev);
+ if (err) {
+ printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
+ fw_name);
+ } else if (rdev->me_fw->size % 8) {
+ printk(KERN_ERR
+ "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
+ rdev->me_fw->size, fw_name);
+ err = -EINVAL;
+ release_firmware(rdev->me_fw);
+ rdev->me_fw = NULL;
+ }
+ return err;
+}
+
+static void r100_cp_load_microcode(struct radeon_device *rdev)
+{
+ const __be32 *fw_data;
+ int i, size;
+
+ if (r100_gui_wait_for_idle(rdev)) {
+ printk(KERN_WARNING "Failed to wait GUI idle while "
+ "programming pipes. Bad things might happen.\n");
+ }
+
+ if (rdev->me_fw) {
+ size = rdev->me_fw->size / 4;
+ fw_data = (const __be32 *)&rdev->me_fw->data[0];
+ WREG32(RADEON_CP_ME_RAM_ADDR, 0);
+ for (i = 0; i < size; i += 2) {
+ WREG32(RADEON_CP_ME_RAM_DATAH,
+ be32_to_cpup(&fw_data[i]));
+ WREG32(RADEON_CP_ME_RAM_DATAL,
+ be32_to_cpup(&fw_data[i + 1]));
+ }
+ }
+}
+
+int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
+{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ unsigned rb_bufsz;
+ unsigned rb_blksz;
+ unsigned max_fetch;
+ unsigned pre_write_timer;
+ unsigned pre_write_limit;
+ unsigned indirect2_start;
+ unsigned indirect1_start;
+ uint32_t tmp;
+ int r;
+
+ if (r100_debugfs_cp_init(rdev)) {
+ DRM_ERROR("Failed to register debugfs file for CP !\n");
+ }
+ if (!rdev->me_fw) {
+ r = r100_cp_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+
+ /* Align ring size */
+ rb_bufsz = drm_order(ring_size / 8);
+ ring_size = (1 << (rb_bufsz + 1)) * 4;
+ r100_cp_load_microcode(rdev);
+ r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
+ RADEON_CP_RB_RPTR, RADEON_CP_RB_WPTR,
+ 0, 0x7fffff, RADEON_CP_PACKET2);
+ if (r) {
+ return r;
+ }
+ /* Each time the cp read 1024 bytes (16 dword/quadword) update
+ * the rptr copy in system ram */
+ rb_blksz = 9;
+ /* cp will read 128bytes at a time (4 dwords) */
+ max_fetch = 1;
+ ring->align_mask = 16 - 1;
+ /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
+ pre_write_timer = 64;
+ /* Force CP_RB_WPTR write if written more than one time before the
+ * delay expire
+ */
+ pre_write_limit = 0;
+ /* Setup the cp cache like this (cache size is 96 dwords) :
+ * RING 0 to 15
+ * INDIRECT1 16 to 79
+ * INDIRECT2 80 to 95
+ * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
+ * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
+ * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
+ * Idea being that most of the gpu cmd will be through indirect1 buffer
+ * so it gets the bigger cache.
+ */
+ indirect2_start = 80;
+ indirect1_start = 16;
+ /* cp setup */
+ WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
+ tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
+ REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
+ REG_SET(RADEON_MAX_FETCH, max_fetch));
+#ifdef __BIG_ENDIAN
+ tmp |= RADEON_BUF_SWAP_32BIT;
+#endif
+ WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
+
+ /* Set ring address */
+ DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
+ WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
+ /* Force read & write ptr to 0 */
+ WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
+ WREG32(RADEON_CP_RB_RPTR_WR, 0);
+ ring->wptr = 0;
+ WREG32(RADEON_CP_RB_WPTR, ring->wptr);
+
+ /* set the wb address whether it's enabled or not */
+ WREG32(R_00070C_CP_RB_RPTR_ADDR,
+ S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
+ WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
+
+ if (rdev->wb.enabled)
+ WREG32(R_000770_SCRATCH_UMSK, 0xff);
+ else {
+ tmp |= RADEON_RB_NO_UPDATE;
+ WREG32(R_000770_SCRATCH_UMSK, 0);
+ }
+
+ WREG32(RADEON_CP_RB_CNTL, tmp);
+ udelay(10);
+ ring->rptr = RREG32(RADEON_CP_RB_RPTR);
+ /* Set cp mode to bus mastering & enable cp*/
+ WREG32(RADEON_CP_CSQ_MODE,
+ REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
+ REG_SET(RADEON_INDIRECT1_START, indirect1_start));
+ WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
+ WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
+ WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
+
+ /* at this point everything should be setup correctly to enable master */
+ pci_set_master(rdev->pdev);
+
+ radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
+ r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
+ if (r) {
+ DRM_ERROR("radeon: cp isn't working (%d).\n", r);
+ return r;
+ }
+ ring->ready = true;
+ radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
+
+ if (!ring->rptr_save_reg /* not resuming from suspend */
+ && 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;
+ }
+ }
+ return 0;
+}
+
+void r100_cp_fini(struct radeon_device *rdev)
+{
+ if (r100_cp_wait_for_idle(rdev)) {
+ DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
+ }
+ /* Disable ring */
+ r100_cp_disable(rdev);
+ radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
+ radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
+ DRM_INFO("radeon: cp finalized\n");
+}
+
+void r100_cp_disable(struct radeon_device *rdev)
+{
+ /* Disable ring */
+ radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
+ rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
+ WREG32(RADEON_CP_CSQ_MODE, 0);
+ WREG32(RADEON_CP_CSQ_CNTL, 0);
+ WREG32(R_000770_SCRATCH_UMSK, 0);
+ if (r100_gui_wait_for_idle(rdev)) {
+ printk(KERN_WARNING "Failed to wait GUI idle while "
+ "programming pipes. Bad things might happen.\n");
+ }
+}
+
+/*
+ * CS functions
+ */
+int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ unsigned idx,
+ unsigned reg)
+{
+ int r;
+ u32 tile_flags = 0;
+ u32 tmp;
+ struct radeon_cs_reloc *reloc;
+ u32 value;
+
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+
+ value = radeon_get_ib_value(p, idx);
+ tmp = value & 0x003fffff;
+ tmp += (((u32)reloc->lobj.gpu_offset) >> 10);
+
+ if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
+ if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+ tile_flags |= RADEON_DST_TILE_MACRO;
+ if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+ if (reg == RADEON_SRC_PITCH_OFFSET) {
+ DRM_ERROR("Cannot src blit from microtiled surface\n");
+ radeon_cs_dump_packet(p, pkt);
+ return -EINVAL;
+ }
+ tile_flags |= RADEON_DST_TILE_MICRO;
+ }
+
+ tmp |= tile_flags;
+ p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
+ } else
+ p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
+ return 0;
+}
+
+int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ int idx)
+{
+ unsigned c, i;
+ struct radeon_cs_reloc *reloc;
+ struct r100_cs_track *track;
+ int r = 0;
+ volatile uint32_t *ib;
+ u32 idx_value;
+
+ ib = p->ib.ptr;
+ track = (struct r100_cs_track *)p->track;
+ c = radeon_get_ib_value(p, idx++) & 0x1F;
+ if (c > 16) {
+ DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
+ pkt->opcode);
+ radeon_cs_dump_packet(p, pkt);
+ return -EINVAL;
+ }
+ track->num_arrays = c;
+ for (i = 0; i < (c - 1); i+=2, idx+=3) {
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for packet3 %d\n",
+ pkt->opcode);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ idx_value = radeon_get_ib_value(p, idx);
+ ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
+
+ track->arrays[i + 0].esize = idx_value >> 8;
+ track->arrays[i + 0].robj = reloc->robj;
+ track->arrays[i + 0].esize &= 0x7F;
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for packet3 %d\n",
+ pkt->opcode);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->lobj.gpu_offset);
+ track->arrays[i + 1].robj = reloc->robj;
+ track->arrays[i + 1].esize = idx_value >> 24;
+ track->arrays[i + 1].esize &= 0x7F;
+ }
+ if (c & 1) {
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for packet3 %d\n",
+ pkt->opcode);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ idx_value = radeon_get_ib_value(p, idx);
+ ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
+ track->arrays[i + 0].robj = reloc->robj;
+ track->arrays[i + 0].esize = idx_value >> 8;
+ track->arrays[i + 0].esize &= 0x7F;
+ }
+ return r;
+}
+
+int r100_cs_parse_packet0(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ const unsigned *auth, unsigned n,
+ radeon_packet0_check_t check)
+{
+ unsigned reg;
+ unsigned i, j, m;
+ unsigned idx;
+ int r;
+
+ idx = pkt->idx + 1;
+ reg = pkt->reg;
+ /* Check that register fall into register range
+ * determined by the number of entry (n) in the
+ * safe register bitmap.
+ */
+ if (pkt->one_reg_wr) {
+ if ((reg >> 7) > n) {
+ return -EINVAL;
+ }
+ } else {
+ if (((reg + (pkt->count << 2)) >> 7) > n) {
+ return -EINVAL;
+ }
+ }
+ for (i = 0; i <= pkt->count; i++, idx++) {
+ j = (reg >> 7);
+ m = 1 << ((reg >> 2) & 31);
+ if (auth[j] & m) {
+ r = check(p, pkt, idx, reg);
+ if (r) {
+ return r;
+ }
+ }
+ if (pkt->one_reg_wr) {
+ if (!(auth[j] & m)) {
+ break;
+ }
+ } else {
+ reg += 4;
+ }
+ }
+ return 0;
+}
+
+/**
+ * r100_cs_packet_next_vline() - parse userspace VLINE packet
+ * @parser: parser structure holding parsing context.
+ *
+ * Userspace sends a special sequence for VLINE waits.
+ * PACKET0 - VLINE_START_END + value
+ * PACKET0 - WAIT_UNTIL +_value
+ * RELOC (P3) - crtc_id in reloc.
+ *
+ * This function parses this and relocates the VLINE START END
+ * and WAIT UNTIL packets to the correct crtc.
+ * It also detects a switched off crtc and nulls out the
+ * wait in that case.
+ */
+int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
+{
+ struct drm_mode_object *obj;
+ struct drm_crtc *crtc;
+ struct radeon_crtc *radeon_crtc;
+ struct radeon_cs_packet p3reloc, waitreloc;
+ int crtc_id;
+ int r;
+ uint32_t header, h_idx, reg;
+ volatile uint32_t *ib;
+
+ ib = p->ib.ptr;
+
+ /* parse the wait until */
+ r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
+ if (r)
+ return r;
+
+ /* check its a wait until and only 1 count */
+ if (waitreloc.reg != RADEON_WAIT_UNTIL ||
+ waitreloc.count != 0) {
+ DRM_ERROR("vline wait had illegal wait until segment\n");
+ return -EINVAL;
+ }
+
+ if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
+ DRM_ERROR("vline wait had illegal wait until\n");
+ return -EINVAL;
+ }
+
+ /* jump over the NOP */
+ r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
+ if (r)
+ return r;
+
+ h_idx = p->idx - 2;
+ p->idx += waitreloc.count + 2;
+ p->idx += p3reloc.count + 2;
+
+ header = radeon_get_ib_value(p, h_idx);
+ crtc_id = radeon_get_ib_value(p, h_idx + 5);
+ reg = R100_CP_PACKET0_GET_REG(header);
+ obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
+ if (!obj) {
+ DRM_ERROR("cannot find crtc %d\n", crtc_id);
+ return -EINVAL;
+ }
+ crtc = obj_to_crtc(obj);
+ radeon_crtc = to_radeon_crtc(crtc);
+ crtc_id = radeon_crtc->crtc_id;
+
+ if (!crtc->enabled) {
+ /* if the CRTC isn't enabled - we need to nop out the wait until */
+ ib[h_idx + 2] = PACKET2(0);
+ ib[h_idx + 3] = PACKET2(0);
+ } else if (crtc_id == 1) {
+ switch (reg) {
+ case AVIVO_D1MODE_VLINE_START_END:
+ header &= ~R300_CP_PACKET0_REG_MASK;
+ header |= AVIVO_D2MODE_VLINE_START_END >> 2;
+ break;
+ case RADEON_CRTC_GUI_TRIG_VLINE:
+ header &= ~R300_CP_PACKET0_REG_MASK;
+ header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
+ break;
+ default:
+ DRM_ERROR("unknown crtc reloc\n");
+ return -EINVAL;
+ }
+ ib[h_idx] = header;
+ ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
+ }
+
+ return 0;
+}
+
+static int r100_get_vtx_size(uint32_t vtx_fmt)
+{
+ int vtx_size;
+ vtx_size = 2;
+ /* ordered according to bits in spec */
+ if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
+ vtx_size += 3;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
+ vtx_size += 3;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
+ vtx_size += 2;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
+ vtx_size += 2;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
+ vtx_size += 2;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
+ vtx_size += 2;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
+ vtx_size++;
+ /* blend weight */
+ if (vtx_fmt & (0x7 << 15))
+ vtx_size += (vtx_fmt >> 15) & 0x7;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
+ vtx_size += 3;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
+ vtx_size += 2;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
+ vtx_size++;
+ if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
+ vtx_size++;
+ return vtx_size;
+}
+
+static int r100_packet0_check(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ unsigned idx, unsigned reg)
+{
+ struct radeon_cs_reloc *reloc;
+ struct r100_cs_track *track;
+ volatile uint32_t *ib;
+ uint32_t tmp;
+ int r;
+ int i, face;
+ u32 tile_flags = 0;
+ u32 idx_value;
+
+ ib = p->ib.ptr;
+ track = (struct r100_cs_track *)p->track;
+
+ idx_value = radeon_get_ib_value(p, idx);
+
+ switch (reg) {
+ case RADEON_CRTC_GUI_TRIG_VLINE:
+ r = r100_cs_packet_parse_vline(p);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ break;
+ /* FIXME: only allow PACKET3 blit? easier to check for out of
+ * range access */
+ case RADEON_DST_PITCH_OFFSET:
+ case RADEON_SRC_PITCH_OFFSET:
+ r = r100_reloc_pitch_offset(p, pkt, idx, reg);
+ if (r)
+ return r;
+ break;
+ case RADEON_RB3D_DEPTHOFFSET:
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ track->zb.robj = reloc->robj;
+ track->zb.offset = idx_value;
+ track->zb_dirty = true;
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ break;
+ case RADEON_RB3D_COLOROFFSET:
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ track->cb[0].robj = reloc->robj;
+ track->cb[0].offset = idx_value;
+ track->cb_dirty = true;
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ break;
+ case RADEON_PP_TXOFFSET_0:
+ case RADEON_PP_TXOFFSET_1:
+ case RADEON_PP_TXOFFSET_2:
+ i = (reg - RADEON_PP_TXOFFSET_0) / 24;
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
+ if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+ tile_flags |= RADEON_TXO_MACRO_TILE;
+ if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+ tile_flags |= RADEON_TXO_MICRO_TILE_X2;
+
+ tmp = idx_value & ~(0x7 << 2);
+ tmp |= tile_flags;
+ ib[idx] = tmp + ((u32)reloc->lobj.gpu_offset);
+ } else
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ track->textures[i].robj = reloc->robj;
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_CUBIC_OFFSET_T0_0:
+ case RADEON_PP_CUBIC_OFFSET_T0_1:
+ case RADEON_PP_CUBIC_OFFSET_T0_2:
+ case RADEON_PP_CUBIC_OFFSET_T0_3:
+ case RADEON_PP_CUBIC_OFFSET_T0_4:
+ i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ track->textures[0].cube_info[i].offset = idx_value;
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ track->textures[0].cube_info[i].robj = reloc->robj;
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_CUBIC_OFFSET_T1_0:
+ case RADEON_PP_CUBIC_OFFSET_T1_1:
+ case RADEON_PP_CUBIC_OFFSET_T1_2:
+ case RADEON_PP_CUBIC_OFFSET_T1_3:
+ case RADEON_PP_CUBIC_OFFSET_T1_4:
+ i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ track->textures[1].cube_info[i].offset = idx_value;
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ track->textures[1].cube_info[i].robj = reloc->robj;
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_CUBIC_OFFSET_T2_0:
+ case RADEON_PP_CUBIC_OFFSET_T2_1:
+ case RADEON_PP_CUBIC_OFFSET_T2_2:
+ case RADEON_PP_CUBIC_OFFSET_T2_3:
+ case RADEON_PP_CUBIC_OFFSET_T2_4:
+ i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ track->textures[2].cube_info[i].offset = idx_value;
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ track->textures[2].cube_info[i].robj = reloc->robj;
+ track->tex_dirty = true;
+ break;
+ case RADEON_RE_WIDTH_HEIGHT:
+ track->maxy = ((idx_value >> 16) & 0x7FF);
+ track->cb_dirty = true;
+ track->zb_dirty = true;
+ break;
+ case RADEON_RB3D_COLORPITCH:
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
+ if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+ tile_flags |= RADEON_COLOR_TILE_ENABLE;
+ if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+ tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
+
+ tmp = idx_value & ~(0x7 << 16);
+ tmp |= tile_flags;
+ ib[idx] = tmp;
+ } else
+ ib[idx] = idx_value;
+
+ track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
+ track->cb_dirty = true;
+ break;
+ case RADEON_RB3D_DEPTHPITCH:
+ track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
+ track->zb_dirty = true;
+ break;
+ case RADEON_RB3D_CNTL:
+ switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
+ case 7:
+ case 8:
+ case 9:
+ case 11:
+ case 12:
+ track->cb[0].cpp = 1;
+ break;
+ case 3:
+ case 4:
+ case 15:
+ track->cb[0].cpp = 2;
+ break;
+ case 6:
+ track->cb[0].cpp = 4;
+ break;
+ default:
+ DRM_ERROR("Invalid color buffer format (%d) !\n",
+ ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
+ return -EINVAL;
+ }
+ track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
+ track->cb_dirty = true;
+ track->zb_dirty = true;
+ break;
+ case RADEON_RB3D_ZSTENCILCNTL:
+ switch (idx_value & 0xf) {
+ case 0:
+ track->zb.cpp = 2;
+ break;
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 9:
+ case 11:
+ track->zb.cpp = 4;
+ break;
+ default:
+ break;
+ }
+ track->zb_dirty = true;
+ break;
+ case RADEON_RB3D_ZPASS_ADDR:
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+ break;
+ case RADEON_PP_CNTL:
+ {
+ uint32_t temp = idx_value >> 4;
+ for (i = 0; i < track->num_texture; i++)
+ track->textures[i].enabled = !!(temp & (1 << i));
+ track->tex_dirty = true;
+ }
+ break;
+ case RADEON_SE_VF_CNTL:
+ track->vap_vf_cntl = idx_value;
+ break;
+ case RADEON_SE_VTX_FMT:
+ track->vtx_size = r100_get_vtx_size(idx_value);
+ break;
+ case RADEON_PP_TEX_SIZE_0:
+ case RADEON_PP_TEX_SIZE_1:
+ case RADEON_PP_TEX_SIZE_2:
+ i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
+ track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
+ track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_TEX_PITCH_0:
+ case RADEON_PP_TEX_PITCH_1:
+ case RADEON_PP_TEX_PITCH_2:
+ i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
+ track->textures[i].pitch = idx_value + 32;
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_TXFILTER_0:
+ case RADEON_PP_TXFILTER_1:
+ case RADEON_PP_TXFILTER_2:
+ i = (reg - RADEON_PP_TXFILTER_0) / 24;
+ track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
+ >> RADEON_MAX_MIP_LEVEL_SHIFT);
+ tmp = (idx_value >> 23) & 0x7;
+ if (tmp == 2 || tmp == 6)
+ track->textures[i].roundup_w = false;
+ tmp = (idx_value >> 27) & 0x7;
+ if (tmp == 2 || tmp == 6)
+ track->textures[i].roundup_h = false;
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_TXFORMAT_0:
+ case RADEON_PP_TXFORMAT_1:
+ case RADEON_PP_TXFORMAT_2:
+ i = (reg - RADEON_PP_TXFORMAT_0) / 24;
+ if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
+ track->textures[i].use_pitch = 1;
+ } else {
+ track->textures[i].use_pitch = 0;
+ track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
+ track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
+ }
+ if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
+ track->textures[i].tex_coord_type = 2;
+ switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
+ case RADEON_TXFORMAT_I8:
+ case RADEON_TXFORMAT_RGB332:
+ case RADEON_TXFORMAT_Y8:
+ track->textures[i].cpp = 1;
+ track->textures[i].compress_format = R100_TRACK_COMP_NONE;
+ break;
+ case RADEON_TXFORMAT_AI88:
+ case RADEON_TXFORMAT_ARGB1555:
+ case RADEON_TXFORMAT_RGB565:
+ case RADEON_TXFORMAT_ARGB4444:
+ case RADEON_TXFORMAT_VYUY422:
+ case RADEON_TXFORMAT_YVYU422:
+ case RADEON_TXFORMAT_SHADOW16:
+ case RADEON_TXFORMAT_LDUDV655:
+ case RADEON_TXFORMAT_DUDV88:
+ track->textures[i].cpp = 2;
+ track->textures[i].compress_format = R100_TRACK_COMP_NONE;
+ break;
+ case RADEON_TXFORMAT_ARGB8888:
+ case RADEON_TXFORMAT_RGBA8888:
+ case RADEON_TXFORMAT_SHADOW32:
+ case RADEON_TXFORMAT_LDUDUV8888:
+ track->textures[i].cpp = 4;
+ track->textures[i].compress_format = R100_TRACK_COMP_NONE;
+ break;
+ case RADEON_TXFORMAT_DXT1:
+ track->textures[i].cpp = 1;
+ track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
+ break;
+ case RADEON_TXFORMAT_DXT23:
+ case RADEON_TXFORMAT_DXT45:
+ track->textures[i].cpp = 1;
+ track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
+ break;
+ }
+ track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
+ track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
+ track->tex_dirty = true;
+ break;
+ case RADEON_PP_CUBIC_FACES_0:
+ case RADEON_PP_CUBIC_FACES_1:
+ case RADEON_PP_CUBIC_FACES_2:
+ tmp = idx_value;
+ i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
+ for (face = 0; face < 4; face++) {
+ track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
+ track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
+ }
+ track->tex_dirty = true;
+ break;
+ default:
+ printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
+ reg, idx);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ struct radeon_bo *robj)
+{
+ unsigned idx;
+ u32 value;
+ idx = pkt->idx + 1;
+ value = radeon_get_ib_value(p, idx + 2);
+ if ((value + 1) > radeon_bo_size(robj)) {
+ DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
+ "(need %u have %lu) !\n",
+ value + 1,
+ radeon_bo_size(robj));
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int r100_packet3_check(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt)
+{
+ struct radeon_cs_reloc *reloc;
+ struct r100_cs_track *track;
+ unsigned idx;
+ volatile uint32_t *ib;
+ int r;
+
+ ib = p->ib.ptr;
+ idx = pkt->idx + 1;
+ track = (struct r100_cs_track *)p->track;
+ switch (pkt->opcode) {
+ case PACKET3_3D_LOAD_VBPNTR:
+ r = r100_packet3_load_vbpntr(p, pkt, idx);
+ if (r)
+ return r;
+ break;
+ case PACKET3_INDX_BUFFER:
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
+ r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
+ if (r) {
+ return r;
+ }
+ break;
+ case 0x23:
+ /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
+ r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+ if (r) {
+ DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
+ radeon_cs_dump_packet(p, pkt);
+ return r;
+ }
+ ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
+ track->num_arrays = 1;
+ track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
+
+ track->arrays[0].robj = reloc->robj;
+ track->arrays[0].esize = track->vtx_size;
+
+ track->max_indx = radeon_get_ib_value(p, idx+1);
+
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
+ track->immd_dwords = pkt->count - 1;
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ case PACKET3_3D_DRAW_IMMD:
+ if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
+ DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
+ return -EINVAL;
+ }
+ track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
+ track->immd_dwords = pkt->count - 1;
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ /* triggers drawing using in-packet vertex data */
+ case PACKET3_3D_DRAW_IMMD_2:
+ if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
+ DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
+ return -EINVAL;
+ }
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx);
+ track->immd_dwords = pkt->count;
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ /* triggers drawing using in-packet vertex data */
+ case PACKET3_3D_DRAW_VBUF_2:
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx);
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ /* triggers drawing of vertex buffers setup elsewhere */
+ case PACKET3_3D_DRAW_INDX_2:
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx);
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ /* triggers drawing using indices to vertex buffer */
+ case PACKET3_3D_DRAW_VBUF:
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ /* triggers drawing of vertex buffers setup elsewhere */
+ case PACKET3_3D_DRAW_INDX:
+ track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
+ r = r100_cs_track_check(p->rdev, track);
+ if (r)
+ return r;
+ break;
+ /* triggers drawing using indices to vertex buffer */
+ case PACKET3_3D_CLEAR_HIZ:
+ case PACKET3_3D_CLEAR_ZMASK:
+ if (p->rdev->hyperz_filp != p->filp)
+ return -EINVAL;
+ break;
+ case PACKET3_NOP:
+ break;
+ default:
+ DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int r100_cs_parse(struct radeon_cs_parser *p)
+{
+ struct radeon_cs_packet pkt;
+ struct r100_cs_track *track;
+ int r;
+
+ track = kzalloc(sizeof(*track), GFP_KERNEL);
+ if (!track)
+ return -ENOMEM;
+ r100_cs_track_clear(p->rdev, track);
+ p->track = track;
+ do {
+ r = radeon_cs_packet_parse(p, &pkt, p->idx);
+ if (r) {
+ return r;
+ }
+ p->idx += pkt.count + 2;
+ switch (pkt.type) {
+ case RADEON_PACKET_TYPE0:
+ if (p->rdev->family >= CHIP_R200)
+ r = r100_cs_parse_packet0(p, &pkt,
+ p->rdev->config.r100.reg_safe_bm,
+ p->rdev->config.r100.reg_safe_bm_size,
+ &r200_packet0_check);
+ else
+ r = r100_cs_parse_packet0(p, &pkt,
+ p->rdev->config.r100.reg_safe_bm,
+ p->rdev->config.r100.reg_safe_bm_size,
+ &r100_packet0_check);
+ break;
+ case RADEON_PACKET_TYPE2:
+ break;
+ case RADEON_PACKET_TYPE3:
+ r = r100_packet3_check(p, &pkt);
+ break;
+ default:
+ DRM_ERROR("Unknown packet type %d !\n",
+ pkt.type);
+ return -EINVAL;
+ }
+ if (r)
+ return r;
+ } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
+ return 0;
+}
+
+static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
+{
+ DRM_ERROR("pitch %d\n", t->pitch);
+ DRM_ERROR("use_pitch %d\n", t->use_pitch);
+ DRM_ERROR("width %d\n", t->width);
+ DRM_ERROR("width_11 %d\n", t->width_11);
+ DRM_ERROR("height %d\n", t->height);
+ DRM_ERROR("height_11 %d\n", t->height_11);
+ DRM_ERROR("num levels %d\n", t->num_levels);
+ DRM_ERROR("depth %d\n", t->txdepth);
+ DRM_ERROR("bpp %d\n", t->cpp);
+ DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
+ DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
+ DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
+ DRM_ERROR("compress format %d\n", t->compress_format);
+}
+
+static int r100_track_compress_size(int compress_format, int w, int h)
+{
+ int block_width, block_height, block_bytes;
+ int wblocks, hblocks;
+ int min_wblocks;
+ int sz;
+
+ block_width = 4;
+ block_height = 4;
+
+ switch (compress_format) {
+ case R100_TRACK_COMP_DXT1:
+ block_bytes = 8;
+ min_wblocks = 4;
+ break;
+ default:
+ case R100_TRACK_COMP_DXT35:
+ block_bytes = 16;
+ min_wblocks = 2;
+ break;
+ }
+
+ hblocks = (h + block_height - 1) / block_height;
+ wblocks = (w + block_width - 1) / block_width;
+ if (wblocks < min_wblocks)
+ wblocks = min_wblocks;
+ sz = wblocks * hblocks * block_bytes;
+ return sz;
+}
+
+static int r100_cs_track_cube(struct radeon_device *rdev,
+ struct r100_cs_track *track, unsigned idx)
+{
+ unsigned face, w, h;
+ struct radeon_bo *cube_robj;
+ unsigned long size;
+ unsigned compress_format = track->textures[idx].compress_format;
+
+ for (face = 0; face < 5; face++) {
+ cube_robj = track->textures[idx].cube_info[face].robj;
+ w = track->textures[idx].cube_info[face].width;
+ h = track->textures[idx].cube_info[face].height;
+
+ if (compress_format) {
+ size = r100_track_compress_size(compress_format, w, h);
+ } else
+ size = w * h;
+ size *= track->textures[idx].cpp;
+
+ size += track->textures[idx].cube_info[face].offset;
+
+ if (size > radeon_bo_size(cube_robj)) {
+ DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
+ size, radeon_bo_size(cube_robj));
+ r100_cs_track_texture_print(&track->textures[idx]);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int r100_cs_track_texture_check(struct radeon_device *rdev,
+ struct r100_cs_track *track)
+{
+ struct radeon_bo *robj;
+ unsigned long size;
+ unsigned u, i, w, h, d;
+ int ret;
+
+ for (u = 0; u < track->num_texture; u++) {
+ if (!track->textures[u].enabled)
+ continue;
+ if (track->textures[u].lookup_disable)
+ continue;
+ robj = track->textures[u].robj;
+ if (robj == NULL) {
+ DRM_ERROR("No texture bound to unit %u\n", u);
+ return -EINVAL;
+ }
+ size = 0;
+ for (i = 0; i <= track->textures[u].num_levels; i++) {
+ if (track->textures[u].use_pitch) {
+ if (rdev->family < CHIP_R300)
+ w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
+ else
+ w = track->textures[u].pitch / (1 << i);
+ } else {
+ w = track->textures[u].width;
+ if (rdev->family >= CHIP_RV515)
+ w |= track->textures[u].width_11;
+ w = w / (1 << i);
+ if (track->textures[u].roundup_w)
+ w = roundup_pow_of_two(w);
+ }
+ h = track->textures[u].height;
+ if (rdev->family >= CHIP_RV515)
+ h |= track->textures[u].height_11;
+ h = h / (1 << i);
+ if (track->textures[u].roundup_h)
+ h = roundup_pow_of_two(h);
+ if (track->textures[u].tex_coord_type == 1) {
+ d = (1 << track->textures[u].txdepth) / (1 << i);
+ if (!d)
+ d = 1;
+ } else {
+ d = 1;
+ }
+ if (track->textures[u].compress_format) {
+
+ size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
+ /* compressed textures are block based */
+ } else
+ size += w * h * d;
+ }
+ size *= track->textures[u].cpp;
+
+ switch (track->textures[u].tex_coord_type) {
+ case 0:
+ case 1:
+ break;
+ case 2:
+ if (track->separate_cube) {
+ ret = r100_cs_track_cube(rdev, track, u);
+ if (ret)
+ return ret;
+ } else
+ size *= 6;
+ break;
+ default:
+ DRM_ERROR("Invalid texture coordinate type %u for unit "
+ "%u\n", track->textures[u].tex_coord_type, u);
+ return -EINVAL;
+ }
+ if (size > radeon_bo_size(robj)) {
+ DRM_ERROR("Texture of unit %u needs %lu bytes but is "
+ "%lu\n", u, size, radeon_bo_size(robj));
+ r100_cs_track_texture_print(&track->textures[u]);
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
+int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
+{
+ unsigned i;
+ unsigned long size;
+ unsigned prim_walk;
+ unsigned nverts;
+ unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
+
+ if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
+ !track->blend_read_enable)
+ num_cb = 0;
+
+ for (i = 0; i < num_cb; i++) {
+ if (track->cb[i].robj == NULL) {
+ DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
+ return -EINVAL;
+ }
+ size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
+ size += track->cb[i].offset;
+ if (size > radeon_bo_size(track->cb[i].robj)) {
+ DRM_ERROR("[drm] Buffer too small for color buffer %d "
+ "(need %lu have %lu) !\n", i, size,
+ radeon_bo_size(track->cb[i].robj));
+ DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
+ i, track->cb[i].pitch, track->cb[i].cpp,
+ track->cb[i].offset, track->maxy);
+ return -EINVAL;
+ }
+ }
+ track->cb_dirty = false;
+
+ if (track->zb_dirty && track->z_enabled) {
+ if (track->zb.robj == NULL) {
+ DRM_ERROR("[drm] No buffer for z buffer !\n");
+ return -EINVAL;
+ }
+ size = track->zb.pitch * track->zb.cpp * track->maxy;
+ size += track->zb.offset;
+ if (size > radeon_bo_size(track->zb.robj)) {
+ DRM_ERROR("[drm] Buffer too small for z buffer "
+ "(need %lu have %lu) !\n", size,
+ radeon_bo_size(track->zb.robj));
+ DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
+ track->zb.pitch, track->zb.cpp,
+ track->zb.offset, track->maxy);
+ return -EINVAL;
+ }
+ }
+ track->zb_dirty = false;
+
+ if (track->aa_dirty && track->aaresolve) {
+ if (track->aa.robj == NULL) {
+ DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
+ return -EINVAL;
+ }
+ /* I believe the format comes from colorbuffer0. */
+ size = track->aa.pitch * track->cb[0].cpp * track->maxy;
+ size += track->aa.offset;
+ if (size > radeon_bo_size(track->aa.robj)) {
+ DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
+ "(need %lu have %lu) !\n", i, size,
+ radeon_bo_size(track->aa.robj));
+ DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
+ i, track->aa.pitch, track->cb[0].cpp,
+ track->aa.offset, track->maxy);
+ return -EINVAL;
+ }
+ }
+ track->aa_dirty = false;
+
+ prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
+ if (track->vap_vf_cntl & (1 << 14)) {
+ nverts = track->vap_alt_nverts;
+ } else {
+ nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
+ }
+ switch (prim_walk) {
+ case 1:
+ for (i = 0; i < track->num_arrays; i++) {
+ size = track->arrays[i].esize * track->max_indx * 4;
+ if (track->arrays[i].robj == NULL) {
+ DRM_ERROR("(PW %u) Vertex array %u no buffer "
+ "bound\n", prim_walk, i);
+ return -EINVAL;
+ }
+ if (size > radeon_bo_size(track->arrays[i].robj)) {
+ dev_err(rdev->dev, "(PW %u) Vertex array %u "
+ "need %lu dwords have %lu dwords\n",
+ prim_walk, i, size >> 2,
+ radeon_bo_size(track->arrays[i].robj)
+ >> 2);
+ DRM_ERROR("Max indices %u\n", track->max_indx);
+ return -EINVAL;
+ }
+ }
+ break;
+ case 2:
+ for (i = 0; i < track->num_arrays; i++) {
+ size = track->arrays[i].esize * (nverts - 1) * 4;
+ if (track->arrays[i].robj == NULL) {
+ DRM_ERROR("(PW %u) Vertex array %u no buffer "
+ "bound\n", prim_walk, i);
+ return -EINVAL;
+ }
+ if (size > radeon_bo_size(track->arrays[i].robj)) {
+ dev_err(rdev->dev, "(PW %u) Vertex array %u "
+ "need %lu dwords have %lu dwords\n",
+ prim_walk, i, size >> 2,
+ radeon_bo_size(track->arrays[i].robj)
+ >> 2);
+ return -EINVAL;
+ }
+ }
+ break;
+ case 3:
+ size = track->vtx_size * nverts;
+ if (size != track->immd_dwords) {
+ DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
+ track->immd_dwords, size);
+ DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
+ nverts, track->vtx_size);
+ return -EINVAL;
+ }
+ break;
+ default:
+ DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
+ prim_walk);
+ return -EINVAL;
+ }
+
+ if (track->tex_dirty) {
+ track->tex_dirty = false;
+ return r100_cs_track_texture_check(rdev, track);
+ }
+ return 0;
+}
+
+void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
+{
+ unsigned i, face;
+
+ track->cb_dirty = true;
+ track->zb_dirty = true;
+ track->tex_dirty = true;
+ track->aa_dirty = true;
+
+ if (rdev->family < CHIP_R300) {
+ track->num_cb = 1;
+ if (rdev->family <= CHIP_RS200)
+ track->num_texture = 3;
+ else
+ track->num_texture = 6;
+ track->maxy = 2048;
+ track->separate_cube = 1;
+ } else {
+ track->num_cb = 4;
+ track->num_texture = 16;
+ track->maxy = 4096;
+ track->separate_cube = 0;
+ track->aaresolve = false;
+ track->aa.robj = NULL;
+ }
+
+ for (i = 0; i < track->num_cb; i++) {
+ track->cb[i].robj = NULL;
+ track->cb[i].pitch = 8192;
+ track->cb[i].cpp = 16;
+ track->cb[i].offset = 0;
+ }
+ track->z_enabled = true;
+ track->zb.robj = NULL;
+ track->zb.pitch = 8192;
+ track->zb.cpp = 4;
+ track->zb.offset = 0;
+ track->vtx_size = 0x7F;
+ track->immd_dwords = 0xFFFFFFFFUL;
+ track->num_arrays = 11;
+ track->max_indx = 0x00FFFFFFUL;
+ for (i = 0; i < track->num_arrays; i++) {
+ track->arrays[i].robj = NULL;
+ track->arrays[i].esize = 0x7F;
+ }
+ for (i = 0; i < track->num_texture; i++) {
+ track->textures[i].compress_format = R100_TRACK_COMP_NONE;
+ track->textures[i].pitch = 16536;
+ track->textures[i].width = 16536;
+ track->textures[i].height = 16536;
+ track->textures[i].width_11 = 1 << 11;
+ track->textures[i].height_11 = 1 << 11;
+ track->textures[i].num_levels = 12;
+ if (rdev->family <= CHIP_RS200) {
+ track->textures[i].tex_coord_type = 0;
+ track->textures[i].txdepth = 0;
+ } else {
+ track->textures[i].txdepth = 16;
+ track->textures[i].tex_coord_type = 1;
+ }
+ track->textures[i].cpp = 64;
+ track->textures[i].robj = NULL;
+ /* CS IB emission code makes sure texture unit are disabled */
+ track->textures[i].enabled = false;
+ track->textures[i].lookup_disable = false;
+ track->textures[i].roundup_w = true;
+ track->textures[i].roundup_h = true;
+ if (track->separate_cube)
+ for (face = 0; face < 5; face++) {
+ track->textures[i].cube_info[face].robj = NULL;
+ track->textures[i].cube_info[face].width = 16536;
+ track->textures[i].cube_info[face].height = 16536;
+ track->textures[i].cube_info[face].offset = 0;
+ }
+ }
+}
+
+/*
+ * Global GPU functions
+ */
+static void r100_errata(struct radeon_device *rdev)
+{
+ rdev->pll_errata = 0;
+
+ if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
+ rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
+ }
+
+ if (rdev->family == CHIP_RV100 ||
+ rdev->family == CHIP_RS100 ||
+ rdev->family == CHIP_RS200) {
+ rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
+ }
+}
+
+static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
+{
+ unsigned i;
+ uint32_t tmp;
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
+ if (tmp >= n) {
+ return 0;
+ }
+ DRM_UDELAY(1);
+ }
+ return -1;
+}
+
+int r100_gui_wait_for_idle(struct radeon_device *rdev)
+{
+ unsigned i;
+ uint32_t tmp;
+
+ if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
+ printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
+ " Bad things might happen.\n");
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ tmp = RREG32(RADEON_RBBM_STATUS);
+ if (!(tmp & RADEON_RBBM_ACTIVE)) {
+ return 0;
+ }
+ DRM_UDELAY(1);
+ }
+ return -1;
+}
+
+int r100_mc_wait_for_idle(struct radeon_device *rdev)
+{
+ unsigned i;
+ uint32_t tmp;
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ /* read MC_STATUS */
+ tmp = RREG32(RADEON_MC_STATUS);
+ if (tmp & RADEON_MC_IDLE) {
+ return 0;
+ }
+ DRM_UDELAY(1);
+ }
+ return -1;
+}
+
+bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ u32 rbbm_status;
+
+ rbbm_status = RREG32(R_000E40_RBBM_STATUS);
+ if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
+ radeon_ring_lockup_update(ring);
+ return false;
+ }
+ /* force CP activities */
+ radeon_ring_force_activity(rdev, ring);
+ return radeon_ring_test_lockup(rdev, ring);
+}
+
+/* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
+void r100_enable_bm(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+ /* Enable bus mastering */
+ tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
+ WREG32(RADEON_BUS_CNTL, tmp);
+}
+
+void r100_bm_disable(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ /* disable bus mastering */
+ tmp = RREG32(R_000030_BUS_CNTL);
+ WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
+ mdelay(1);
+ WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
+ mdelay(1);
+ WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
+ tmp = RREG32(RADEON_BUS_CNTL);
+ mdelay(1);
+ pci_clear_master(rdev->pdev);
+ mdelay(1);
+}
+
+int r100_asic_reset(struct radeon_device *rdev)
+{
+ struct r100_mc_save save;
+ u32 status, tmp;
+ int ret = 0;
+
+ status = RREG32(R_000E40_RBBM_STATUS);
+ if (!G_000E40_GUI_ACTIVE(status)) {
+ return 0;
+ }
+ r100_mc_stop(rdev, &save);
+ status = RREG32(R_000E40_RBBM_STATUS);
+ dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+ /* stop CP */
+ WREG32(RADEON_CP_CSQ_CNTL, 0);
+ tmp = RREG32(RADEON_CP_RB_CNTL);
+ WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
+ WREG32(RADEON_CP_RB_RPTR_WR, 0);
+ WREG32(RADEON_CP_RB_WPTR, 0);
+ WREG32(RADEON_CP_RB_CNTL, tmp);
+ /* save PCI state */
+ pci_save_state(rdev->pdev);
+ /* disable bus mastering */
+ r100_bm_disable(rdev);
+ WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
+ S_0000F0_SOFT_RESET_RE(1) |
+ S_0000F0_SOFT_RESET_PP(1) |
+ S_0000F0_SOFT_RESET_RB(1));
+ RREG32(R_0000F0_RBBM_SOFT_RESET);
+ mdelay(500);
+ WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+ mdelay(1);
+ status = RREG32(R_000E40_RBBM_STATUS);
+ dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+ /* reset CP */
+ WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
+ RREG32(R_0000F0_RBBM_SOFT_RESET);
+ mdelay(500);
+ WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
+ mdelay(1);
+ status = RREG32(R_000E40_RBBM_STATUS);
+ dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
+ /* restore PCI & busmastering */
+ pci_restore_state(rdev->pdev);
+ r100_enable_bm(rdev);
+ /* Check if GPU is idle */
+ if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
+ G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
+ dev_err(rdev->dev, "failed to reset GPU\n");
+ ret = -1;
+ } else
+ dev_info(rdev->dev, "GPU reset succeed\n");
+ r100_mc_resume(rdev, &save);
+ return ret;
+}
+
+void r100_set_common_regs(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ bool force_dac2 = false;
+ u32 tmp;
+
+ /* set these so they don't interfere with anything */
+ WREG32(RADEON_OV0_SCALE_CNTL, 0);
+ WREG32(RADEON_SUBPIC_CNTL, 0);
+ WREG32(RADEON_VIPH_CONTROL, 0);
+ WREG32(RADEON_I2C_CNTL_1, 0);
+ WREG32(RADEON_DVI_I2C_CNTL_1, 0);
+ WREG32(RADEON_CAP0_TRIG_CNTL, 0);
+ WREG32(RADEON_CAP1_TRIG_CNTL, 0);
+
+ /* always set up dac2 on rn50 and some rv100 as lots
+ * of servers seem to wire it up to a VGA port but
+ * don't report it in the bios connector
+ * table.
+ */
+ switch (dev->pdev->device) {
+ /* RN50 */
+ case 0x515e:
+ case 0x5969:
+ force_dac2 = true;
+ break;
+ /* RV100*/
+ case 0x5159:
+ case 0x515a:
+ /* DELL triple head servers */
+ if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
+ ((dev->pdev->subsystem_device == 0x016c) ||
+ (dev->pdev->subsystem_device == 0x016d) ||
+ (dev->pdev->subsystem_device == 0x016e) ||
+ (dev->pdev->subsystem_device == 0x016f) ||
+ (dev->pdev->subsystem_device == 0x0170) ||
+ (dev->pdev->subsystem_device == 0x017d) ||
+ (dev->pdev->subsystem_device == 0x017e) ||
+ (dev->pdev->subsystem_device == 0x0183) ||
+ (dev->pdev->subsystem_device == 0x018a) ||
+ (dev->pdev->subsystem_device == 0x019a)))
+ force_dac2 = true;
+ break;
+ }
+
+ if (force_dac2) {
+ u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+ u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
+ u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
+
+ /* For CRT on DAC2, don't turn it on if BIOS didn't
+ enable it, even it's detected.
+ */
+
+ /* force it to crtc0 */
+ dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
+ dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
+ disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
+
+ /* set up the TV DAC */
+ tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
+ RADEON_TV_DAC_STD_MASK |
+ RADEON_TV_DAC_RDACPD |
+ RADEON_TV_DAC_GDACPD |
+ RADEON_TV_DAC_BDACPD |
+ RADEON_TV_DAC_BGADJ_MASK |
+ RADEON_TV_DAC_DACADJ_MASK);
+ tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
+ RADEON_TV_DAC_NHOLD |
+ RADEON_TV_DAC_STD_PS2 |
+ (0x58 << 16));
+
+ WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
+ WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+ WREG32(RADEON_DAC_CNTL2, dac2_cntl);
+ }
+
+ /* switch PM block to ACPI mode */
+ tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
+ tmp &= ~RADEON_PM_MODE_SEL;
+ WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
+
+}
+
+/*
+ * VRAM info
+ */
+static void r100_vram_get_type(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+
+ rdev->mc.vram_is_ddr = false;
+ if (rdev->flags & RADEON_IS_IGP)
+ rdev->mc.vram_is_ddr = true;
+ else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
+ rdev->mc.vram_is_ddr = true;
+ if ((rdev->family == CHIP_RV100) ||
+ (rdev->family == CHIP_RS100) ||
+ (rdev->family == CHIP_RS200)) {
+ tmp = RREG32(RADEON_MEM_CNTL);
+ if (tmp & RV100_HALF_MODE) {
+ rdev->mc.vram_width = 32;
+ } else {
+ rdev->mc.vram_width = 64;
+ }
+ if (rdev->flags & RADEON_SINGLE_CRTC) {
+ rdev->mc.vram_width /= 4;
+ rdev->mc.vram_is_ddr = true;
+ }
+ } else if (rdev->family <= CHIP_RV280) {
+ tmp = RREG32(RADEON_MEM_CNTL);
+ if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
+ rdev->mc.vram_width = 128;
+ } else {
+ rdev->mc.vram_width = 64;
+ }
+ } else {
+ /* newer IGPs */
+ rdev->mc.vram_width = 128;
+ }
+}
+
+static u32 r100_get_accessible_vram(struct radeon_device *rdev)
+{
+ u32 aper_size;
+ u8 byte;
+
+ aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
+
+ /* Set HDP_APER_CNTL only on cards that are known not to be broken,
+ * that is has the 2nd generation multifunction PCI interface
+ */
+ if (rdev->family == CHIP_RV280 ||
+ rdev->family >= CHIP_RV350) {
+ WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
+ ~RADEON_HDP_APER_CNTL);
+ DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
+ return aper_size * 2;
+ }
+
+ /* Older cards have all sorts of funny issues to deal with. First
+ * check if it's a multifunction card by reading the PCI config
+ * header type... Limit those to one aperture size
+ */
+ pci_read_config_byte(rdev->pdev, 0xe, &byte);
+ if (byte & 0x80) {
+ DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
+ DRM_INFO("Limiting VRAM to one aperture\n");
+ return aper_size;
+ }
+
+ /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
+ * have set it up. We don't write this as it's broken on some ASICs but
+ * we expect the BIOS to have done the right thing (might be too optimistic...)
+ */
+ if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
+ return aper_size * 2;
+ return aper_size;
+}
+
+void r100_vram_init_sizes(struct radeon_device *rdev)
+{
+ u64 config_aper_size;
+
+ /* work out accessible VRAM */
+ rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+ rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
+ rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
+ /* FIXME we don't use the second aperture yet when we could use it */
+ if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
+ config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
+ if (rdev->flags & RADEON_IS_IGP) {
+ uint32_t tom;
+ /* read NB_TOM to get the amount of ram stolen for the GPU */
+ tom = RREG32(RADEON_NB_TOM);
+ rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
+ WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
+ rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+ } else {
+ rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
+ /* Some production boards of m6 will report 0
+ * if it's 8 MB
+ */
+ if (rdev->mc.real_vram_size == 0) {
+ rdev->mc.real_vram_size = 8192 * 1024;
+ WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
+ }
+ /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
+ * Novell bug 204882 + along with lots of ubuntu ones
+ */
+ if (rdev->mc.aper_size > config_aper_size)
+ config_aper_size = rdev->mc.aper_size;
+
+ if (config_aper_size > rdev->mc.real_vram_size)
+ rdev->mc.mc_vram_size = config_aper_size;
+ else
+ rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+ }
+}
+
+void r100_vga_set_state(struct radeon_device *rdev, bool state)
+{
+ uint32_t temp;
+
+ temp = RREG32(RADEON_CONFIG_CNTL);
+ if (state == false) {
+ temp &= ~RADEON_CFG_VGA_RAM_EN;
+ temp |= RADEON_CFG_VGA_IO_DIS;
+ } else {
+ temp &= ~RADEON_CFG_VGA_IO_DIS;
+ }
+ WREG32(RADEON_CONFIG_CNTL, temp);
+}
+
+static void r100_mc_init(struct radeon_device *rdev)
+{
+ u64 base;
+
+ r100_vram_get_type(rdev);
+ r100_vram_init_sizes(rdev);
+ base = rdev->mc.aper_base;
+ if (rdev->flags & RADEON_IS_IGP)
+ base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
+ radeon_vram_location(rdev, &rdev->mc, base);
+ rdev->mc.gtt_base_align = 0;
+ if (!(rdev->flags & RADEON_IS_AGP))
+ radeon_gtt_location(rdev, &rdev->mc);
+ radeon_update_bandwidth_info(rdev);
+}
+
+
+/*
+ * Indirect registers accessor
+ */
+void r100_pll_errata_after_index(struct radeon_device *rdev)
+{
+ if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
+ (void)RREG32(RADEON_CLOCK_CNTL_DATA);
+ (void)RREG32(RADEON_CRTC_GEN_CNTL);
+ }
+}
+
+static void r100_pll_errata_after_data(struct radeon_device *rdev)
+{
+ /* This workarounds is necessary on RV100, RS100 and RS200 chips
+ * or the chip could hang on a subsequent access
+ */
+ if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
+ mdelay(5);
+ }
+
+ /* This function is required to workaround a hardware bug in some (all?)
+ * revisions of the R300. This workaround should be called after every
+ * CLOCK_CNTL_INDEX register access. If not, register reads afterward
+ * may not be correct.
+ */
+ if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
+ uint32_t save, tmp;
+
+ save = RREG32(RADEON_CLOCK_CNTL_INDEX);
+ tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
+ WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
+ tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
+ WREG32(RADEON_CLOCK_CNTL_INDEX, save);
+ }
+}
+
+uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+ uint32_t data;
+
+ WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
+ r100_pll_errata_after_index(rdev);
+ data = RREG32(RADEON_CLOCK_CNTL_DATA);
+ r100_pll_errata_after_data(rdev);
+ return data;
+}
+
+void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+ WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
+ r100_pll_errata_after_index(rdev);
+ WREG32(RADEON_CLOCK_CNTL_DATA, v);
+ r100_pll_errata_after_data(rdev);
+}
+
+static void r100_set_safe_registers(struct radeon_device *rdev)
+{
+ if (ASIC_IS_RN50(rdev)) {
+ rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
+ rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
+ } else if (rdev->family < CHIP_R200) {
+ rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
+ rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
+ } else {
+ r200_set_safe_registers(rdev);
+ }
+}
+
+/*
+ * Debugfs info
+ */
+#if defined(CONFIG_DEBUG_FS)
+static int r100_debugfs_rbbm_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;
+ uint32_t reg, value;
+ unsigned i;
+
+ seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
+ seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
+ seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
+ for (i = 0; i < 64; i++) {
+ WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
+ reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
+ WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
+ value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
+ seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
+ }
+ return 0;
+}
+
+static int r100_debugfs_cp_ring_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;
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ uint32_t rdp, wdp;
+ unsigned count, i, j;
+
+ radeon_ring_free_size(rdev, ring);
+ rdp = RREG32(RADEON_CP_RB_RPTR);
+ wdp = RREG32(RADEON_CP_RB_WPTR);
+ count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
+ seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
+ seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
+ seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
+ seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
+ seq_printf(m, "%u dwords in ring\n", count);
+ if (ring->ready) {
+ for (j = 0; j <= count; j++) {
+ i = (rdp + j) & ring->ptr_mask;
+ seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ }
+ }
+ return 0;
+}
+
+
+static int r100_debugfs_cp_csq_fifo(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;
+ uint32_t csq_stat, csq2_stat, tmp;
+ unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
+ unsigned i;
+
+ seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
+ seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
+ csq_stat = RREG32(RADEON_CP_CSQ_STAT);
+ csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
+ r_rptr = (csq_stat >> 0) & 0x3ff;
+ r_wptr = (csq_stat >> 10) & 0x3ff;
+ ib1_rptr = (csq_stat >> 20) & 0x3ff;
+ ib1_wptr = (csq2_stat >> 0) & 0x3ff;
+ ib2_rptr = (csq2_stat >> 10) & 0x3ff;
+ ib2_wptr = (csq2_stat >> 20) & 0x3ff;
+ seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
+ seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
+ seq_printf(m, "Ring rptr %u\n", r_rptr);
+ seq_printf(m, "Ring wptr %u\n", r_wptr);
+ seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
+ seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
+ seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
+ seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
+ /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
+ * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
+ seq_printf(m, "Ring fifo:\n");
+ for (i = 0; i < 256; i++) {
+ WREG32(RADEON_CP_CSQ_ADDR, i << 2);
+ tmp = RREG32(RADEON_CP_CSQ_DATA);
+ seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
+ }
+ seq_printf(m, "Indirect1 fifo:\n");
+ for (i = 256; i <= 512; i++) {
+ WREG32(RADEON_CP_CSQ_ADDR, i << 2);
+ tmp = RREG32(RADEON_CP_CSQ_DATA);
+ seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
+ }
+ seq_printf(m, "Indirect2 fifo:\n");
+ for (i = 640; i < ib1_wptr; i++) {
+ WREG32(RADEON_CP_CSQ_ADDR, i << 2);
+ tmp = RREG32(RADEON_CP_CSQ_DATA);
+ seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
+ }
+ return 0;
+}
+
+static int r100_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;
+ uint32_t tmp;
+
+ tmp = RREG32(RADEON_CONFIG_MEMSIZE);
+ seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_MC_FB_LOCATION);
+ seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_BUS_CNTL);
+ seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_MC_AGP_LOCATION);
+ seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_AGP_BASE);
+ seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_HOST_PATH_CNTL);
+ seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
+ tmp = RREG32(0x01D0);
+ seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_AIC_LO_ADDR);
+ seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
+ tmp = RREG32(RADEON_AIC_HI_ADDR);
+ seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
+ tmp = RREG32(0x01E4);
+ seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
+ return 0;
+}
+
+static struct drm_info_list r100_debugfs_rbbm_list[] = {
+ {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
+};
+
+static struct drm_info_list r100_debugfs_cp_list[] = {
+ {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
+ {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
+};
+
+static struct drm_info_list r100_debugfs_mc_info_list[] = {
+ {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
+};
+#endif
+
+int r100_debugfs_rbbm_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
+#else
+ return 0;
+#endif
+}
+
+int r100_debugfs_cp_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
+#else
+ return 0;
+#endif
+}
+
+int r100_debugfs_mc_info_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
+#else
+ return 0;
+#endif
+}
+
+int r100_set_surface_reg(struct radeon_device *rdev, int reg,
+ uint32_t tiling_flags, uint32_t pitch,
+ uint32_t offset, uint32_t obj_size)
+{
+ int surf_index = reg * 16;
+ int flags = 0;
+
+ if (rdev->family <= CHIP_RS200) {
+ if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
+ == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
+ flags |= RADEON_SURF_TILE_COLOR_BOTH;
+ if (tiling_flags & RADEON_TILING_MACRO)
+ flags |= RADEON_SURF_TILE_COLOR_MACRO;
+ } else if (rdev->family <= CHIP_RV280) {
+ if (tiling_flags & (RADEON_TILING_MACRO))
+ flags |= R200_SURF_TILE_COLOR_MACRO;
+ if (tiling_flags & RADEON_TILING_MICRO)
+ flags |= R200_SURF_TILE_COLOR_MICRO;
+ } else {
+ if (tiling_flags & RADEON_TILING_MACRO)
+ flags |= R300_SURF_TILE_MACRO;
+ if (tiling_flags & RADEON_TILING_MICRO)
+ flags |= R300_SURF_TILE_MICRO;
+ }
+
+ if (tiling_flags & RADEON_TILING_SWAP_16BIT)
+ flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
+ if (tiling_flags & RADEON_TILING_SWAP_32BIT)
+ flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
+
+ /* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
+ if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
+ if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
+ if (ASIC_IS_RN50(rdev))
+ pitch /= 16;
+ }
+
+ /* r100/r200 divide by 16 */
+ if (rdev->family < CHIP_R300)
+ flags |= pitch / 16;
+ else
+ flags |= pitch / 8;
+
+
+ DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
+ WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
+ WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
+ WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
+ return 0;
+}
+
+void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
+{
+ int surf_index = reg * 16;
+ WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
+}
+
+void r100_bandwidth_update(struct radeon_device *rdev)
+{
+ fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
+ fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
+ fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
+ uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
+ fixed20_12 memtcas_ff[8] = {
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(0),
+ dfixed_init_half(1),
+ dfixed_init_half(2),
+ dfixed_init(0),
+ };
+ fixed20_12 memtcas_rs480_ff[8] = {
+ dfixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(0),
+ dfixed_init_half(1),
+ dfixed_init_half(2),
+ dfixed_init_half(3),
+ };
+ fixed20_12 memtcas2_ff[8] = {
+ dfixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(4),
+ dfixed_init(5),
+ dfixed_init(6),
+ dfixed_init(7),
+ };
+ fixed20_12 memtrbs[8] = {
+ dfixed_init(1),
+ dfixed_init_half(1),
+ dfixed_init(2),
+ dfixed_init_half(2),
+ dfixed_init(3),
+ dfixed_init_half(3),
+ dfixed_init(4),
+ dfixed_init_half(4)
+ };
+ fixed20_12 memtrbs_r4xx[8] = {
+ dfixed_init(4),
+ dfixed_init(5),
+ dfixed_init(6),
+ dfixed_init(7),
+ dfixed_init(8),
+ dfixed_init(9),
+ dfixed_init(10),
+ dfixed_init(11)
+ };
+ fixed20_12 min_mem_eff;
+ fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
+ fixed20_12 cur_latency_mclk, cur_latency_sclk;
+ fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
+ disp_drain_rate2, read_return_rate;
+ fixed20_12 time_disp1_drop_priority;
+ int c;
+ int cur_size = 16; /* in octawords */
+ int critical_point = 0, critical_point2;
+/* uint32_t read_return_rate, time_disp1_drop_priority; */
+ int stop_req, max_stop_req;
+ struct drm_display_mode *mode1 = NULL;
+ struct drm_display_mode *mode2 = NULL;
+ uint32_t pixel_bytes1 = 0;
+ uint32_t pixel_bytes2 = 0;
+
+ radeon_update_display_priority(rdev);
+
+ if (rdev->mode_info.crtcs[0]->base.enabled) {
+ mode1 = &rdev->mode_info.crtcs[0]->base.mode;
+ pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
+ }
+ if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
+ if (rdev->mode_info.crtcs[1]->base.enabled) {
+ mode2 = &rdev->mode_info.crtcs[1]->base.mode;
+ pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
+ }
+ }
+
+ min_mem_eff.full = dfixed_const_8(0);
+ /* get modes */
+ if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
+ uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
+ mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
+ mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
+ /* check crtc enables */
+ if (mode2)
+ mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
+ if (mode1)
+ mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
+ WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
+ }
+
+ /*
+ * determine is there is enough bw for current mode
+ */
+ sclk_ff = rdev->pm.sclk;
+ mclk_ff = rdev->pm.mclk;
+
+ temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
+ temp_ff.full = dfixed_const(temp);
+ mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
+
+ pix_clk.full = 0;
+ pix_clk2.full = 0;
+ peak_disp_bw.full = 0;
+ if (mode1) {
+ temp_ff.full = dfixed_const(1000);
+ pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
+ pix_clk.full = dfixed_div(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const(pixel_bytes1);
+ peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
+ }
+ if (mode2) {
+ temp_ff.full = dfixed_const(1000);
+ pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
+ pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const(pixel_bytes2);
+ peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
+ }
+
+ mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
+ if (peak_disp_bw.full >= mem_bw.full) {
+ DRM_ERROR("You may not have enough display bandwidth for current mode\n"
+ "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
+ }
+
+ /* Get values from the EXT_MEM_CNTL register...converting its contents. */
+ temp = RREG32(RADEON_MEM_TIMING_CNTL);
+ if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
+ mem_trcd = ((temp >> 2) & 0x3) + 1;
+ mem_trp = ((temp & 0x3)) + 1;
+ mem_tras = ((temp & 0x70) >> 4) + 1;
+ } else if (rdev->family == CHIP_R300 ||
+ rdev->family == CHIP_R350) { /* r300, r350 */
+ mem_trcd = (temp & 0x7) + 1;
+ mem_trp = ((temp >> 8) & 0x7) + 1;
+ mem_tras = ((temp >> 11) & 0xf) + 4;
+ } else if (rdev->family == CHIP_RV350 ||
+ rdev->family <= CHIP_RV380) {
+ /* rv3x0 */
+ mem_trcd = (temp & 0x7) + 3;
+ mem_trp = ((temp >> 8) & 0x7) + 3;
+ mem_tras = ((temp >> 11) & 0xf) + 6;
+ } else if (rdev->family == CHIP_R420 ||
+ rdev->family == CHIP_R423 ||
+ rdev->family == CHIP_RV410) {
+ /* r4xx */
+ mem_trcd = (temp & 0xf) + 3;
+ if (mem_trcd > 15)
+ mem_trcd = 15;
+ mem_trp = ((temp >> 8) & 0xf) + 3;
+ if (mem_trp > 15)
+ mem_trp = 15;
+ mem_tras = ((temp >> 12) & 0x1f) + 6;
+ if (mem_tras > 31)
+ mem_tras = 31;
+ } else { /* RV200, R200 */
+ mem_trcd = (temp & 0x7) + 1;
+ mem_trp = ((temp >> 8) & 0x7) + 1;
+ mem_tras = ((temp >> 12) & 0xf) + 4;
+ }
+ /* convert to FF */
+ trcd_ff.full = dfixed_const(mem_trcd);
+ trp_ff.full = dfixed_const(mem_trp);
+ tras_ff.full = dfixed_const(mem_tras);
+
+ /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
+ temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
+ data = (temp & (7 << 20)) >> 20;
+ if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
+ if (rdev->family == CHIP_RS480) /* don't think rs400 */
+ tcas_ff = memtcas_rs480_ff[data];
+ else
+ tcas_ff = memtcas_ff[data];
+ } else
+ tcas_ff = memtcas2_ff[data];
+
+ if (rdev->family == CHIP_RS400 ||
+ rdev->family == CHIP_RS480) {
+ /* extra cas latency stored in bits 23-25 0-4 clocks */
+ data = (temp >> 23) & 0x7;
+ if (data < 5)
+ tcas_ff.full += dfixed_const(data);
+ }
+
+ if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
+ /* on the R300, Tcas is included in Trbs.
+ */
+ temp = RREG32(RADEON_MEM_CNTL);
+ data = (R300_MEM_NUM_CHANNELS_MASK & temp);
+ if (data == 1) {
+ if (R300_MEM_USE_CD_CH_ONLY & temp) {
+ temp = RREG32(R300_MC_IND_INDEX);
+ temp &= ~R300_MC_IND_ADDR_MASK;
+ temp |= R300_MC_READ_CNTL_CD_mcind;
+ WREG32(R300_MC_IND_INDEX, temp);
+ temp = RREG32(R300_MC_IND_DATA);
+ data = (R300_MEM_RBS_POSITION_C_MASK & temp);
+ } else {
+ temp = RREG32(R300_MC_READ_CNTL_AB);
+ data = (R300_MEM_RBS_POSITION_A_MASK & temp);
+ }
+ } else {
+ temp = RREG32(R300_MC_READ_CNTL_AB);
+ data = (R300_MEM_RBS_POSITION_A_MASK & temp);
+ }
+ if (rdev->family == CHIP_RV410 ||
+ rdev->family == CHIP_R420 ||
+ rdev->family == CHIP_R423)
+ trbs_ff = memtrbs_r4xx[data];
+ else
+ trbs_ff = memtrbs[data];
+ tcas_ff.full += trbs_ff.full;
+ }
+
+ sclk_eff_ff.full = sclk_ff.full;
+
+ if (rdev->flags & RADEON_IS_AGP) {
+ fixed20_12 agpmode_ff;
+ agpmode_ff.full = dfixed_const(radeon_agpmode);
+ temp_ff.full = dfixed_const_666(16);
+ sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
+ }
+ /* TODO PCIE lanes may affect this - agpmode == 16?? */
+
+ if (ASIC_IS_R300(rdev)) {
+ sclk_delay_ff.full = dfixed_const(250);
+ } else {
+ if ((rdev->family == CHIP_RV100) ||
+ rdev->flags & RADEON_IS_IGP) {
+ if (rdev->mc.vram_is_ddr)
+ sclk_delay_ff.full = dfixed_const(41);
+ else
+ sclk_delay_ff.full = dfixed_const(33);
+ } else {
+ if (rdev->mc.vram_width == 128)
+ sclk_delay_ff.full = dfixed_const(57);
+ else
+ sclk_delay_ff.full = dfixed_const(41);
+ }
+ }
+
+ mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
+
+ if (rdev->mc.vram_is_ddr) {
+ if (rdev->mc.vram_width == 32) {
+ k1.full = dfixed_const(40);
+ c = 3;
+ } else {
+ k1.full = dfixed_const(20);
+ c = 1;
+ }
+ } else {
+ k1.full = dfixed_const(40);
+ c = 3;
+ }
+
+ temp_ff.full = dfixed_const(2);
+ mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
+ temp_ff.full = dfixed_const(c);
+ mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
+ temp_ff.full = dfixed_const(4);
+ mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
+ mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
+ mc_latency_mclk.full += k1.full;
+
+ mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
+ mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
+
+ /*
+ HW cursor time assuming worst case of full size colour cursor.
+ */
+ temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
+ temp_ff.full += trcd_ff.full;
+ if (temp_ff.full < tras_ff.full)
+ temp_ff.full = tras_ff.full;
+ cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
+
+ temp_ff.full = dfixed_const(cur_size);
+ cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
+ /*
+ Find the total latency for the display data.
+ */
+ disp_latency_overhead.full = dfixed_const(8);
+ disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
+ mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
+ mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
+
+ if (mc_latency_mclk.full > mc_latency_sclk.full)
+ disp_latency.full = mc_latency_mclk.full;
+ else
+ disp_latency.full = mc_latency_sclk.full;
+
+ /* setup Max GRPH_STOP_REQ default value */
+ if (ASIC_IS_RV100(rdev))
+ max_stop_req = 0x5c;
+ else
+ max_stop_req = 0x7c;
+
+ if (mode1) {
+ /* CRTC1
+ Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
+ GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
+ */
+ stop_req = mode1->hdisplay * pixel_bytes1 / 16;
+
+ if (stop_req > max_stop_req)
+ stop_req = max_stop_req;
+
+ /*
+ Find the drain rate of the display buffer.
+ */
+ temp_ff.full = dfixed_const((16/pixel_bytes1));
+ disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
+
+ /*
+ Find the critical point of the display buffer.
+ */
+ crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
+ crit_point_ff.full += dfixed_const_half(0);
+
+ critical_point = dfixed_trunc(crit_point_ff);
+
+ if (rdev->disp_priority == 2) {
+ critical_point = 0;
+ }
+
+ /*
+ The critical point should never be above max_stop_req-4. Setting
+ GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
+ */
+ if (max_stop_req - critical_point < 4)
+ critical_point = 0;
+
+ if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
+ /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
+ critical_point = 0x10;
+ }
+
+ temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
+ temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
+ temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
+ temp &= ~(RADEON_GRPH_START_REQ_MASK);
+ if ((rdev->family == CHIP_R350) &&
+ (stop_req > 0x15)) {
+ stop_req -= 0x10;
+ }
+ temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
+ temp |= RADEON_GRPH_BUFFER_SIZE;
+ temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
+ RADEON_GRPH_CRITICAL_AT_SOF |
+ RADEON_GRPH_STOP_CNTL);
+ /*
+ Write the result into the register.
+ */
+ WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
+ (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
+
+#if 0
+ if ((rdev->family == CHIP_RS400) ||
+ (rdev->family == CHIP_RS480)) {
+ /* attempt to program RS400 disp regs correctly ??? */
+ temp = RREG32(RS400_DISP1_REG_CNTL);
+ temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
+ RS400_DISP1_STOP_REQ_LEVEL_MASK);
+ WREG32(RS400_DISP1_REQ_CNTL1, (temp |
+ (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
+ (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
+ temp = RREG32(RS400_DMIF_MEM_CNTL1);
+ temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
+ RS400_DISP1_CRITICAL_POINT_STOP_MASK);
+ WREG32(RS400_DMIF_MEM_CNTL1, (temp |
+ (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
+ (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
+ }
+#endif
+
+ DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
+ /* (unsigned int)info->SavedReg->grph_buffer_cntl, */
+ (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
+ }
+
+ if (mode2) {
+ u32 grph2_cntl;
+ stop_req = mode2->hdisplay * pixel_bytes2 / 16;
+
+ if (stop_req > max_stop_req)
+ stop_req = max_stop_req;
+
+ /*
+ Find the drain rate of the display buffer.
+ */
+ temp_ff.full = dfixed_const((16/pixel_bytes2));
+ disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
+
+ grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
+ grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
+ grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
+ grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
+ if ((rdev->family == CHIP_R350) &&
+ (stop_req > 0x15)) {
+ stop_req -= 0x10;
+ }
+ grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
+ grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
+ grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL |
+ RADEON_GRPH_CRITICAL_AT_SOF |
+ RADEON_GRPH_STOP_CNTL);
+
+ if ((rdev->family == CHIP_RS100) ||
+ (rdev->family == CHIP_RS200))
+ critical_point2 = 0;
+ else {
+ temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
+ temp_ff.full = dfixed_const(temp);
+ temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
+ if (sclk_ff.full < temp_ff.full)
+ temp_ff.full = sclk_ff.full;
+
+ read_return_rate.full = temp_ff.full;
+
+ if (mode1) {
+ temp_ff.full = read_return_rate.full - disp_drain_rate.full;
+ time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
+ } else {
+ time_disp1_drop_priority.full = 0;
+ }
+ crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
+ crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
+ crit_point_ff.full += dfixed_const_half(0);
+
+ critical_point2 = dfixed_trunc(crit_point_ff);
+
+ if (rdev->disp_priority == 2) {
+ critical_point2 = 0;
+ }
+
+ if (max_stop_req - critical_point2 < 4)
+ critical_point2 = 0;
+
+ }
+
+ if (critical_point2 == 0 && rdev->family == CHIP_R300) {
+ /* some R300 cards have problem with this set to 0 */
+ critical_point2 = 0x10;
+ }
+
+ WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
+ (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
+
+ if ((rdev->family == CHIP_RS400) ||
+ (rdev->family == CHIP_RS480)) {
+#if 0
+ /* attempt to program RS400 disp2 regs correctly ??? */
+ temp = RREG32(RS400_DISP2_REQ_CNTL1);
+ temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
+ RS400_DISP2_STOP_REQ_LEVEL_MASK);
+ WREG32(RS400_DISP2_REQ_CNTL1, (temp |
+ (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
+ (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
+ temp = RREG32(RS400_DISP2_REQ_CNTL2);
+ temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
+ RS400_DISP2_CRITICAL_POINT_STOP_MASK);
+ WREG32(RS400_DISP2_REQ_CNTL2, (temp |
+ (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
+ (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
+#endif
+ WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
+ WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
+ WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC);
+ WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
+ }
+
+ DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
+ (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
+ }
+}
+
+int r100_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, 2);
+ if (r) {
+ DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
+ radeon_scratch_free(rdev, scratch);
+ return r;
+ }
+ radeon_ring_write(ring, PACKET0(scratch, 0));
+ radeon_ring_write(ring, 0xDEADBEEF);
+ radeon_ring_unlock_commit(rdev, ring);
+ 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 succeeded in %d usecs\n", i);
+ } else {
+ DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
+ scratch, tmp);
+ r = -EINVAL;
+ }
+ radeon_scratch_free(rdev, scratch);
+ return r;
+}
+
+void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
+{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+
+ if (ring->rptr_save_reg) {
+ u32 next_rptr = ring->wptr + 2 + 3;
+ radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
+ radeon_ring_write(ring, next_rptr);
+ }
+
+ radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
+ radeon_ring_write(ring, ib->gpu_addr);
+ radeon_ring_write(ring, ib->length_dw);
+}
+
+int r100_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, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
+ if (r) {
+ DRM_ERROR("radeon: failed to get ib (%d).\n", r);
+ goto free_scratch;
+ }
+ ib.ptr[0] = PACKET0(scratch, 0);
+ ib.ptr[1] = 0xDEADBEEF;
+ ib.ptr[2] = PACKET2(0);
+ ib.ptr[3] = PACKET2(0);
+ ib.ptr[4] = PACKET2(0);
+ ib.ptr[5] = PACKET2(0);
+ ib.ptr[6] = PACKET2(0);
+ ib.ptr[7] = PACKET2(0);
+ ib.length_dw = 8;
+ r = radeon_ib_schedule(rdev, &ib, NULL);
+ 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 succeeded in %u usecs\n", 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;
+}
+
+void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
+{
+ /* Shutdown CP we shouldn't need to do that but better be safe than
+ * sorry
+ */
+ rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
+ WREG32(R_000740_CP_CSQ_CNTL, 0);
+
+ /* Save few CRTC registers */
+ save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
+ save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
+ save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
+ save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
+ if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
+ save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
+ save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
+ }
+
+ /* Disable VGA aperture access */
+ WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
+ /* Disable cursor, overlay, crtc */
+ WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
+ WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
+ S_000054_CRTC_DISPLAY_DIS(1));
+ WREG32(R_000050_CRTC_GEN_CNTL,
+ (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
+ S_000050_CRTC_DISP_REQ_EN_B(1));
+ WREG32(R_000420_OV0_SCALE_CNTL,
+ C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
+ WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
+ if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
+ WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
+ S_000360_CUR2_LOCK(1));
+ WREG32(R_0003F8_CRTC2_GEN_CNTL,
+ (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
+ S_0003F8_CRTC2_DISPLAY_DIS(1) |
+ S_0003F8_CRTC2_DISP_REQ_EN_B(1));
+ WREG32(R_000360_CUR2_OFFSET,
+ C_000360_CUR2_LOCK & save->CUR2_OFFSET);
+ }
+}
+
+void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
+{
+ /* Update base address for crtc */
+ WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
+ if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
+ WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
+ }
+ /* Restore CRTC registers */
+ WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
+ WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
+ WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
+ if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
+ WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
+ }
+}
+
+void r100_vga_render_disable(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG8(R_0003C2_GENMO_WT);
+ WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
+}
+
+static void r100_debugfs(struct radeon_device *rdev)
+{
+ int r;
+
+ r = r100_debugfs_mc_info_init(rdev);
+ if (r)
+ dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
+}
+
+static void r100_mc_program(struct radeon_device *rdev)
+{
+ struct r100_mc_save save;
+
+ /* Stops all mc clients */
+ r100_mc_stop(rdev, &save);
+ if (rdev->flags & RADEON_IS_AGP) {
+ WREG32(R_00014C_MC_AGP_LOCATION,
+ S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
+ S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
+ WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
+ if (rdev->family > CHIP_RV200)
+ WREG32(R_00015C_AGP_BASE_2,
+ upper_32_bits(rdev->mc.agp_base) & 0xff);
+ } else {
+ WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
+ WREG32(R_000170_AGP_BASE, 0);
+ if (rdev->family > CHIP_RV200)
+ WREG32(R_00015C_AGP_BASE_2, 0);
+ }
+ /* Wait for mc idle */
+ if (r100_mc_wait_for_idle(rdev))
+ dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
+ /* Program MC, should be a 32bits limited address space */
+ WREG32(R_000148_MC_FB_LOCATION,
+ S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
+ S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
+ r100_mc_resume(rdev, &save);
+}
+
+static void r100_clock_startup(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ if (radeon_dynclks != -1 && radeon_dynclks)
+ radeon_legacy_set_clock_gating(rdev, 1);
+ /* We need to force on some of the block */
+ tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
+ tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
+ if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
+ tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
+ WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
+}
+
+static int r100_startup(struct radeon_device *rdev)
+{
+ int r;
+
+ /* set common regs */
+ r100_set_common_regs(rdev);
+ /* program mc */
+ r100_mc_program(rdev);
+ /* Resume clock */
+ r100_clock_startup(rdev);
+ /* Initialize GART (initialize after TTM so we can allocate
+ * memory through TTM but finalize after TTM) */
+ r100_enable_bm(rdev);
+ if (rdev->flags & RADEON_IS_PCI) {
+ r = r100_pci_gart_enable(rdev);
+ if (r)
+ return r;
+ }
+
+ /* allocate wb buffer */
+ r = radeon_wb_init(rdev);
+ if (r)
+ return r;
+
+ r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
+ if (r) {
+ dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
+ return r;
+ }
+
+ /* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
+ r100_irq_set(rdev);
+ rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
+ /* 1M ring buffer */
+ r = r100_cp_init(rdev, 1024 * 1024);
+ if (r) {
+ dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
+ return r;
+ }
+
+ r = radeon_ib_pool_init(rdev);
+ if (r) {
+ dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
+ return r;
+ }
+
+ return 0;
+}
+
+int r100_resume(struct radeon_device *rdev)
+{
+ int r;
+
+ /* Make sur GART are not working */
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_disable(rdev);
+ /* Resume clock before doing reset */
+ r100_clock_startup(rdev);
+ /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+ if (radeon_asic_reset(rdev)) {
+ dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+ RREG32(R_000E40_RBBM_STATUS),
+ RREG32(R_0007C0_CP_STAT));
+ }
+ /* post */
+ radeon_combios_asic_init(rdev->ddev);
+ /* Resume clock after posting */
+ r100_clock_startup(rdev);
+ /* Initialize surface registers */
+ radeon_surface_init(rdev);
+
+ rdev->accel_working = true;
+ r = r100_startup(rdev);
+ if (r) {
+ rdev->accel_working = false;
+ }
+ return r;
+}
+
+int r100_suspend(struct radeon_device *rdev)
+{
+ r100_cp_disable(rdev);
+ radeon_wb_disable(rdev);
+ r100_irq_disable(rdev);
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_disable(rdev);
+ return 0;
+}
+
+void r100_fini(struct radeon_device *rdev)
+{
+ r100_cp_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_gem_fini(rdev);
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_fini(rdev);
+ radeon_agp_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ radeon_fence_driver_fini(rdev);
+ radeon_bo_fini(rdev);
+ radeon_atombios_fini(rdev);
+ kfree(rdev->bios);
+ rdev->bios = NULL;
+}
+
+/*
+ * Due to how kexec works, it can leave the hw fully initialised when it
+ * boots the new kernel. However doing our init sequence with the CP and
+ * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
+ * do some quick sanity checks and restore sane values to avoid this
+ * problem.
+ */
+void r100_restore_sanity(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32(RADEON_CP_CSQ_CNTL);
+ if (tmp) {
+ WREG32(RADEON_CP_CSQ_CNTL, 0);
+ }
+ tmp = RREG32(RADEON_CP_RB_CNTL);
+ if (tmp) {
+ WREG32(RADEON_CP_RB_CNTL, 0);
+ }
+ tmp = RREG32(RADEON_SCRATCH_UMSK);
+ if (tmp) {
+ WREG32(RADEON_SCRATCH_UMSK, 0);
+ }
+}
+
+int r100_init(struct radeon_device *rdev)
+{
+ int r;
+
+ /* Register debugfs file specific to this group of asics */
+ r100_debugfs(rdev);
+ /* Disable VGA */
+ r100_vga_render_disable(rdev);
+ /* Initialize scratch registers */
+ radeon_scratch_init(rdev);
+ /* Initialize surface registers */
+ radeon_surface_init(rdev);
+ /* sanity check some register to avoid hangs like after kexec */
+ r100_restore_sanity(rdev);
+ /* TODO: disable VGA need to use VGA request */
+ /* BIOS*/
+ if (!radeon_get_bios(rdev)) {
+ if (ASIC_IS_AVIVO(rdev))
+ return -EINVAL;
+ }
+ if (rdev->is_atom_bios) {
+ dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
+ return -EINVAL;
+ } else {
+ r = radeon_combios_init(rdev);
+ if (r)
+ return r;
+ }
+ /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+ if (radeon_asic_reset(rdev)) {
+ dev_warn(rdev->dev,
+ "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+ RREG32(R_000E40_RBBM_STATUS),
+ RREG32(R_0007C0_CP_STAT));
+ }
+ /* check if cards are posted or not */
+ if (radeon_boot_test_post_card(rdev) == false)
+ return -EINVAL;
+ /* Set asic errata */
+ r100_errata(rdev);
+ /* Initialize clocks */
+ radeon_get_clock_info(rdev->ddev);
+ /* initialize AGP */
+ if (rdev->flags & RADEON_IS_AGP) {
+ r = radeon_agp_init(rdev);
+ if (r) {
+ radeon_agp_disable(rdev);
+ }
+ }
+ /* initialize VRAM */
+ r100_mc_init(rdev);
+ /* Fence driver */
+ r = radeon_fence_driver_init(rdev);
+ if (r)
+ return r;
+ /* Memory manager */
+ r = radeon_bo_init(rdev);
+ if (r)
+ return r;
+ if (rdev->flags & RADEON_IS_PCI) {
+ r = r100_pci_gart_init(rdev);
+ if (r)
+ return r;
+ }
+ r100_set_safe_registers(rdev);
+
+ rdev->accel_working = true;
+ r = r100_startup(rdev);
+ if (r) {
+ /* Somethings want wront with the accel init stop accel */
+ dev_err(rdev->dev, "Disabling GPU acceleration\n");
+ r100_cp_fini(rdev);
+ radeon_wb_fini(rdev);
+ radeon_ib_pool_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_fini(rdev);
+ rdev->accel_working = false;
+ }
+ return 0;
+}
+
+uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
+ bool always_indirect)
+{
+ if (reg < rdev->rmmio_size && !always_indirect)
+ return readl(((void __iomem *)rdev->rmmio) + reg);
+ else {
+ unsigned long flags;
+ uint32_t ret;
+
+ spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
+ writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
+ ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
+ spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
+
+ return ret;
+ }
+}
+
+void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
+ bool always_indirect)
+{
+ if (reg < rdev->rmmio_size && !always_indirect)
+ writel(v, ((void __iomem *)rdev->rmmio) + reg);
+ else {
+ unsigned long flags;
+
+ spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
+ writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
+ writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
+ spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
+ }
+}
+
+u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
+{
+ if (reg < rdev->rio_mem_size)
+ return ioread32(rdev->rio_mem + reg);
+ else {
+ iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
+ return ioread32(rdev->rio_mem + RADEON_MM_DATA);
+ }
+}
+
+void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+ if (reg < rdev->rio_mem_size)
+ iowrite32(v, rdev->rio_mem + reg);
+ else {
+ iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
+ iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 21:09:00 +0000