#include "rs100d.h"
#include "rv200d.h"
#include "rv250d.h"
+#include "atom.h"
#include <linux/firmware.h>
#include <linux/platform_device.h>
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
*/
-void r100_set_power_state(struct radeon_device *rdev)
+void r100_get_power_state(struct radeon_device *rdev,
+ enum radeon_pm_action action)
{
- /* if *_clock_mode are the same, *_power_state are as well */
- if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
+ int i;
+ rdev->pm.can_upclock = true;
+ rdev->pm.can_downclock = true;
+
+ switch (action) {
+ case PM_ACTION_MINIMUM:
+ rdev->pm.requested_power_state_index = 0;
+ rdev->pm.can_downclock = false;
+ break;
+ case PM_ACTION_DOWNCLOCK:
+ if (rdev->pm.current_power_state_index == 0) {
+ rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+ rdev->pm.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_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 PM_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.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_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 PM_ACTION_DEFAULT:
+ rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.can_upclock = false;
+ break;
+ case PM_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_INFO("Setting: e: %d m: %d p: %d\n",
- rdev->pm.requested_clock_mode->sclk,
- rdev->pm.requested_clock_mode->mclk,
- rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+ DRM_INFO("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);
+}
- /* set pcie lanes */
- /* TODO */
+void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
+{
+ u32 sclk, mclk;
- /* set voltage */
- /* TODO */
+ if (rdev->pm.current_power_state_index == rdev->pm.requested_power_state_index)
+ return;
- /* set engine clock */
- radeon_sync_with_vblank(rdev);
- radeon_pm_debug_check_in_vbl(rdev, false);
- radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
- radeon_pm_debug_check_in_vbl(rdev, true);
+ if (radeon_gui_idle(rdev)) {
+
+ sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].sclk;
+ if (sclk > rdev->clock.default_sclk)
+ sclk = rdev->clock.default_sclk;
+
+ mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].mclk;
+ if (mclk > rdev->clock.default_mclk)
+ mclk = rdev->clock.default_mclk;
+ /* don't change the mclk with multiple crtcs */
+ if (rdev->pm.active_crtc_count > 1)
+ mclk = rdev->clock.default_mclk;
+
+ /* voltage, pcie lanes, etc.*/
+ radeon_pm_misc(rdev);
+
+ if (static_switch) {
+ radeon_pm_prepare(rdev);
+ /* set engine clock */
+ if (sclk != rdev->pm.current_sclk) {
+ radeon_set_engine_clock(rdev, sclk);
+ rdev->pm.current_sclk = sclk;
+ DRM_INFO("Setting: e: %d\n", sclk);
+ }
+#if 0
+ /* set memory clock */
+ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+ radeon_set_memory_clock(rdev, mclk);
+ rdev->pm.current_mclk = mclk;
+ DRM_INFO("Setting: m: %d\n", mclk);
+ }
+#endif
+ radeon_pm_finish(rdev);
+ } else {
+ /* set engine clock */
+ if (sclk != rdev->pm.current_sclk) {
+ radeon_sync_with_vblank(rdev);
+ radeon_pm_debug_check_in_vbl(rdev, false);
+ radeon_set_engine_clock(rdev, sclk);
+ radeon_pm_debug_check_in_vbl(rdev, true);
+ rdev->pm.current_sclk = sclk;
+ DRM_INFO("Setting: e: %d\n", sclk);
+ }
#if 0
- /* set memory clock */
- if (rdev->asic->set_memory_clock) {
- radeon_sync_with_vblank(rdev);
- radeon_pm_debug_check_in_vbl(rdev, false);
- radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
- radeon_pm_debug_check_in_vbl(rdev, true);
+ /* set memory clock */
+ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+ radeon_sync_with_vblank(rdev);
+ radeon_pm_debug_check_in_vbl(rdev, false);
+ radeon_pm_prepare(rdev);
+ radeon_set_memory_clock(rdev, mclk);
+ radeon_pm_finish(rdev);
+ radeon_pm_debug_check_in_vbl(rdev, true);
+ rdev->pm.current_mclk = mclk;
+ DRM_INFO("Setting: m: %d\n", mclk);
+ }
+#endif
+ }
+
+ rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
+ rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
+ } else
+ DRM_INFO("GUI not idle!!!\n");
+}
+
+void r100_pm_misc(struct radeon_device *rdev)
+{
+#if 0
+ 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->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_INFO("Setting: p: %d\n", ps->pcie_lanes);
}
#endif
+}
- rdev->pm.current_power_state = rdev->pm.requested_power_state;
- rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
+void r100_pm_prepare(struct radeon_device *rdev)
+{
+ struct drm_device *ddev = rdev->ddev;
+ struct drm_crtc *crtc;
+ struct radeon_crtc *radeon_crtc;
+ u32 tmp;
+
+ /* disable any active CRTCs */
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+ radeon_crtc = to_radeon_crtc(crtc);
+ if (radeon_crtc->enabled) {
+ if (radeon_crtc->crtc_id) {
+ tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+ tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+ } else {
+ tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+ tmp |= RADEON_CRTC_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+ }
+ }
+ }
+}
+
+void r100_pm_finish(struct radeon_device *rdev)
+{
+ struct drm_device *ddev = rdev->ddev;
+ struct drm_crtc *crtc;
+ struct radeon_crtc *radeon_crtc;
+ u32 tmp;
+
+ /* enable any active CRTCs */
+ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
+ radeon_crtc = to_radeon_crtc(crtc);
+ if (radeon_crtc->enabled) {
+ if (radeon_crtc->crtc_id) {
+ tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
+ tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+ } else {
+ tmp = RREG32(RADEON_CRTC_GEN_CNTL);
+ tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
+ WREG32(RADEON_CRTC_GEN_CNTL, tmp);
+ }
+ }
+ }
}
bool r100_gui_idle(struct radeon_device *rdev)
projects / karo-tx-linux.git / blobdiff