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kernel/drivers/gpu/drm/radeon/r100.c

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/*
* 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/debugfs.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <drm/drm_device.h>
#include <drm/drm_file.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_vblank.h>
#include <drm/radeon_drm.h>
#include "atom.h"
#include "r100_reg_safe.h"
#include "r100d.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "radeon_reg.h"
#include "rn50_reg_safe.h"
#include "rs100d.h"
#include "rv200d.h"
#include "rv250d.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_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)
* @async: asynchronous flip
*
* 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.
*/
void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
{
struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
uint32_t crtc_pitch, pitch_pixels;
struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
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);
/* update pitch */
pitch_pixels = fb->pitches[0] / fb->format->cpp[0];
crtc_pitch = DIV_ROUND_UP(pitch_pixels * fb->format->cpp[0] * 8,
fb->format->cpp[0] * 8 * 8);
crtc_pitch |= crtc_pitch << 16;
WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
/* 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);
}
/**
* r100_page_flip_pending - check if page flip is still pending
*
* @rdev: radeon_device pointer
* @crtc_id: crtc to check
*
* Check if the last pagefilp is still pending (r1xx-r4xx).
* Returns the current update pending status.
*/
bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id)
{
struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
/* Return current update_pending status: */
return !!(RREG32(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_to_drm(rdev);
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_to_drm(rdev);
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_to_drm(rdev);
struct drm_connector *connector;
unsigned enable = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
enable |= 1 << radeon_connector->hpd.hpd;
radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
}
radeon_irq_kms_enable_hpd(rdev, enable);
}
/**
* 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_to_drm(rdev);
struct drm_connector *connector;
unsigned disable = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
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.get_page_entry = &r100_pci_gart_get_page_entry;
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;
/* 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);
}
uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
{
return addr;
}
void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
uint64_t entry)
{
u32 *gtt = rdev->gart.ptr;
gtt[i] = cpu_to_le32(lower_32_bits(entry));
}
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);
/* read back to post the write */
RREG32(RADEON_GEN_INT_CNTL);
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_to_drm(rdev), 0);
rdev->pm.vblank_sync = true;
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
radeon_crtc_handle_vblank(rdev, 0);
}
if (status & RADEON_CRTC2_VBLANK_STAT) {
if (rdev->irq.crtc_vblank_int[1]) {
drm_handle_vblank(rdev_to_drm(rdev), 1);
rdev->pm.vblank_sync = true;
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
radeon_crtc_handle_vblank(rdev, 1);
}
if (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_delayed_work(&rdev->hotplug_work, 0);
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);
}
/**
* r100_ring_hdp_flush - flush Host Data Path via the ring buffer
* @rdev: radeon device structure
* @ring: ring buffer struct for emitting packets
*/
static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
{
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);
}
/* 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);
r100_ring_hdp_flush(rdev, ring);
/* 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);
}
bool 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();
return false;
}
struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
uint64_t src_offset,
uint64_t dst_offset,
unsigned num_gpu_pages,
struct dma_resv *resv)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
struct radeon_fence *fence;
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 ERR_PTR(-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);
r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
return ERR_PTR(r);
}
radeon_ring_unlock_commit(rdev, ring, false);
return fence;
}
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, false);
}
/* Load the microcode for the CP */
static int r100_cp_init_microcode(struct radeon_device *rdev)
{
const char *fw_name = NULL;
int err;
DRM_DEBUG_KMS("\n");
switch (rdev->family) {
case CHIP_R100:
case CHIP_RV100:
case CHIP_RV200:
case CHIP_RS100:
case CHIP_RS200:
DRM_INFO("Loading R100 Microcode\n");
fw_name = FIRMWARE_R100;
break;
case CHIP_R200:
case CHIP_RV250:
case CHIP_RV280:
case CHIP_RS300:
DRM_INFO("Loading R200 Microcode\n");
fw_name = FIRMWARE_R200;
break;
case CHIP_R300:
case CHIP_R350:
case CHIP_RV350:
case CHIP_RV380:
case CHIP_RS400:
case CHIP_RS480:
DRM_INFO("Loading R300 Microcode\n");
fw_name = FIRMWARE_R300;
break;
case CHIP_R420:
case CHIP_R423:
case CHIP_RV410:
DRM_INFO("Loading R400 Microcode\n");
fw_name = FIRMWARE_R420;
break;
case CHIP_RS690:
case CHIP_RS740:
DRM_INFO("Loading RS690/RS740 Microcode\n");
fw_name = FIRMWARE_RS690;
break;
case CHIP_RS600:
DRM_INFO("Loading RS600 Microcode\n");
fw_name = FIRMWARE_RS600;
break;
case CHIP_RV515:
case CHIP_R520:
case CHIP_RV530:
case CHIP_R580:
case CHIP_RV560:
case CHIP_RV570:
DRM_INFO("Loading R500 Microcode\n");
fw_name = FIRMWARE_R520;
break;
default:
DRM_ERROR("Unsupported Radeon family %u\n", rdev->family);
return -EINVAL;
}
err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
if (err) {
pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name);
} else if (rdev->me_fw->size % 8) {
pr_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;
}
u32 r100_gfx_get_rptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
u32 rptr;
if (rdev->wb.enabled)
rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
else
rptr = RREG32(RADEON_CP_RB_RPTR);
return rptr;
}
u32 r100_gfx_get_wptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
return RREG32(RADEON_CP_RB_WPTR);
}
void r100_gfx_set_wptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
WREG32(RADEON_CP_RB_WPTR, ring->wptr);
(void)RREG32(RADEON_CP_RB_WPTR);
}
static void r100_cp_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
int i, size;
if (r100_gui_wait_for_idle(rdev)) {
pr_warn("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;
r100_debugfs_cp_init(rdev);
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 = order_base_2(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_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);
/* 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)) {
pr_warn("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_bo_list *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->gpu_offset) >> 10);
if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
if (reloc->tiling_flags & RADEON_TILING_MACRO)
tile_flags |= RADEON_DST_TILE_MACRO;
if (reloc->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_bo_list *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->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->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->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_parse_vline() - parse userspace VLINE packet
* @p: 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_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);
crtc = drm_crtc_find(rdev_to_drm(p->rdev), p->filp, crtc_id);
if (!crtc) {
DRM_ERROR("cannot find crtc %d\n", crtc_id);
return -ENOENT;
}
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_bo_list *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->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->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->tiling_flags & RADEON_TILING_MACRO)
tile_flags |= RADEON_TXO_MACRO_TILE;
if (reloc->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->gpu_offset);
} else
ib[idx] = idx_value + ((u32)reloc->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->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->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->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->tiling_flags & RADEON_TILING_MACRO)
tile_flags |= RADEON_COLOR_TILE_ENABLE;
if (reloc->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->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 = true;
} else {
track->textures[i].use_pitch = false;
track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
}
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:
pr_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_bo_list *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->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->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->chunk_ib->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 * 4UL;
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) * 4UL;
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 = true;
} else {
track->num_cb = 4;
track->num_texture = 16;
track->maxy = 4096;
track->separate_cube = false;
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;
}
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)) {
pr_warn("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;
}
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;
}
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(rdev, ring);
return false;
}
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, bool hard)
{
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)
{
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 (rdev->pdev->device) {
/* RN50 */
case 0x515e:
case 0x5969:
force_dac2 = true;
break;
/* RV100*/
case 0x5159:
case 0x515a:
/* DELL triple head servers */
if ((rdev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
((rdev->pdev->subsystem_device == 0x016c) ||
(rdev->pdev->subsystem_device == 0x016d) ||
(rdev->pdev->subsystem_device == 0x016e) ||
(rdev->pdev->subsystem_device == 0x016f) ||
(rdev->pdev->subsystem_device == 0x0170) ||
(rdev->pdev->subsystem_device == 0x017d) ||
(rdev->pdev->subsystem_device == 0x017e) ||
(rdev->pdev->subsystem_device == 0x0183) ||
(rdev->pdev->subsystem_device == 0x018a) ||
(rdev->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) {
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)
{
unsigned long flags;
uint32_t data;
spin_lock_irqsave(&rdev->pll_idx_lock, flags);
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);
spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
return data;
}
void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
unsigned long flags;
spin_lock_irqsave(&rdev->pll_idx_lock, flags);
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);
spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
}
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_show(struct seq_file *m, void *unused)
{
struct radeon_device *rdev = m->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_show(struct seq_file *m, void *unused)
{
struct radeon_device *rdev = m->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_show(struct seq_file *m, void *unused)
{
struct radeon_device *rdev = m->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_show(struct seq_file *m, void *unused)
{
struct radeon_device *rdev = m->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;
}
DEFINE_SHOW_ATTRIBUTE(r100_debugfs_rbbm_info);
DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_ring_info);
DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_csq_fifo);
DEFINE_SHOW_ATTRIBUTE(r100_debugfs_mc_info);
#endif
void r100_debugfs_rbbm_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
debugfs_create_file("r100_rbbm_info", 0444, root, rdev,
&r100_debugfs_rbbm_info_fops);
#endif
}
void r100_debugfs_cp_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
debugfs_create_file("r100_cp_ring_info", 0444, root, rdev,
&r100_debugfs_cp_ring_info_fops);
debugfs_create_file("r100_cp_csq_fifo", 0444, root, rdev,
&r100_debugfs_cp_csq_fifo_fops);
#endif
}
void r100_debugfs_mc_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
debugfs_create_file("r100_mc_info", 0444, root, rdev,
&r100_debugfs_mc_info_fops);
#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;
/* setting pitch to 0 disables tiling */
if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
== 0)
pitch = 0;
} 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;
/* 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;
fixed20_12 crit_point_ff = {0};
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 = {0},
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;
/* Guess line buffer size to be 8192 pixels */
u32 lb_size = 8192;
if (!rdev->mode_info.mode_config_initialized)
return;
radeon_update_display_priority(rdev);
if (rdev->mode_info.crtcs[0]->base.enabled) {
const struct drm_framebuffer *fb =
rdev->mode_info.crtcs[0]->base.primary->fb;
mode1 = &rdev->mode_info.crtcs[0]->base.mode;
pixel_bytes1 = fb->format->cpp[0];
}
if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
if (rdev->mode_info.crtcs[1]->base.enabled) {
const struct drm_framebuffer *fb =
rdev->mode_info.crtcs[1]->base.primary->fb;
mode2 = &rdev->mode_info.crtcs[1]->base.mode;
pixel_bytes2 = fb->format->cpp[0];
}
}
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));
}
/* Save number of lines the linebuffer leads before the scanout */
if (mode1)
rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
if (mode2)
rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
}
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, false);
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF) {
break;
}
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, false);
if (r) {
DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
goto free_ib;
}
r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
RADEON_USEC_IB_TEST_TIMEOUT));
if (r < 0) {
DRM_ERROR("radeon: fence wait failed (%d).\n", r);
goto free_ib;
} else if (r == 0) {
DRM_ERROR("radeon: fence wait timed out.\n");
r = -ETIMEDOUT;
goto free_ib;
}
r = 0;
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF) {
break;
}
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_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_to_drm(rdev));
/* 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)
{
radeon_pm_suspend(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)
{
radeon_pm_fini(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_mc_info_init(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_to_drm(rdev));
/* 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 */
radeon_fence_driver_init(rdev);
/* 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);
/* Initialize power management */
radeon_pm_init(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_slow(struct radeon_device *rdev, uint32_t reg)
{
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_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
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);
}
}
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