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path: root/drivers/gpu/drm/radeon/rv770_dpm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c2588
1 files changed, 2588 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
new file mode 100644
index 000000000..ef2f1a048
--- /dev/null
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -0,0 +1,2588 @@
+/*
+ * Copyright 2011 Advanced Micro Devices, Inc.
+ *
+ * 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: Alex Deucher
+ */
+
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "rv770.h"
+#include "rv770d.h"
+#include "r600_dpm.h"
+#include "rv770_dpm.h"
+#include "cypress_dpm.h"
+#include "atom.h"
+#include "evergreen.h"
+#include <linux/seq_file.h>
+
+#define MC_CG_ARB_FREQ_F0 0x0a
+#define MC_CG_ARB_FREQ_F1 0x0b
+#define MC_CG_ARB_FREQ_F2 0x0c
+#define MC_CG_ARB_FREQ_F3 0x0d
+
+#define MC_CG_SEQ_DRAMCONF_S0 0x05
+#define MC_CG_SEQ_DRAMCONF_S1 0x06
+
+#define PCIE_BUS_CLK 10000
+#define TCLK (PCIE_BUS_CLK / 10)
+
+#define SMC_RAM_END 0xC000
+
+struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps)
+{
+ struct rv7xx_ps *ps = rps->ps_priv;
+
+ return ps;
+}
+
+struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rdev->pm.dpm.priv;
+
+ return pi;
+}
+
+struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev)
+{
+ struct evergreen_power_info *pi = rdev->pm.dpm.priv;
+
+ return pi;
+}
+
+static void rv770_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
+ bool enable)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 tmp;
+
+ tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
+ if (enable) {
+ tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
+ tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
+ tmp |= LC_GEN2_EN_STRAP;
+ } else {
+ if (!pi->boot_in_gen2) {
+ tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
+ tmp &= ~LC_GEN2_EN_STRAP;
+ }
+ }
+ if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
+ (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2))
+ WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
+
+}
+
+static void rv770_enable_l0s(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL) & ~LC_L0S_INACTIVITY_MASK;
+ tmp |= LC_L0S_INACTIVITY(3);
+ WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
+}
+
+static void rv770_enable_l1(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL);
+ tmp &= ~LC_L1_INACTIVITY_MASK;
+ tmp |= LC_L1_INACTIVITY(4);
+ tmp &= ~LC_PMI_TO_L1_DIS;
+ tmp &= ~LC_ASPM_TO_L1_DIS;
+ WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
+}
+
+static void rv770_enable_pll_sleep_in_l1(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL) & ~LC_L1_INACTIVITY_MASK;
+ tmp |= LC_L1_INACTIVITY(8);
+ WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
+
+ /* NOTE, this is a PCIE indirect reg, not PCIE PORT */
+ tmp = RREG32_PCIE(PCIE_P_CNTL);
+ tmp |= P_PLL_PWRDN_IN_L1L23;
+ tmp &= ~P_PLL_BUF_PDNB;
+ tmp &= ~P_PLL_PDNB;
+ tmp |= P_ALLOW_PRX_FRONTEND_SHUTOFF;
+ WREG32_PCIE(PCIE_P_CNTL, tmp);
+}
+
+static void rv770_gfx_clock_gating_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ if (enable)
+ WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
+ else {
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
+ WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
+ RREG32(GB_TILING_CONFIG);
+ }
+}
+
+static void rv770_mg_clock_gating_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (enable) {
+ u32 mgcg_cgtt_local0;
+
+ if (rdev->family == CHIP_RV770)
+ mgcg_cgtt_local0 = RV770_MGCGTTLOCAL0_DFLT;
+ else
+ mgcg_cgtt_local0 = RV7XX_MGCGTTLOCAL0_DFLT;
+
+ WREG32(CG_CGTT_LOCAL_0, mgcg_cgtt_local0);
+ WREG32(CG_CGTT_LOCAL_1, (RV770_MGCGTTLOCAL1_DFLT & 0xFFFFCFFF));
+
+ if (pi->mgcgtssm)
+ WREG32(CGTS_SM_CTRL_REG, RV770_MGCGCGTSSMCTRL_DFLT);
+ } else {
+ WREG32(CG_CGTT_LOCAL_0, 0xFFFFFFFF);
+ WREG32(CG_CGTT_LOCAL_1, 0xFFFFCFFF);
+ }
+}
+
+void rv770_restore_cgcg(struct radeon_device *rdev)
+{
+ bool dpm_en = false, cg_en = false;
+
+ if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
+ dpm_en = true;
+ if (RREG32(SCLK_PWRMGT_CNTL) & DYN_GFX_CLK_OFF_EN)
+ cg_en = true;
+
+ if (dpm_en && !cg_en)
+ WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
+}
+
+static void rv770_start_dpm(struct radeon_device *rdev)
+{
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
+
+ WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
+
+ WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
+}
+
+void rv770_stop_dpm(struct radeon_device *rdev)
+{
+ PPSMC_Result result;
+
+ result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_TwoLevelsDisabled);
+
+ if (result != PPSMC_Result_OK)
+ DRM_DEBUG("Could not force DPM to low.\n");
+
+ WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
+
+ WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
+
+ WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
+}
+
+bool rv770_dpm_enabled(struct radeon_device *rdev)
+{
+ if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
+ return true;
+ else
+ return false;
+}
+
+void rv770_enable_thermal_protection(struct radeon_device *rdev,
+ bool enable)
+{
+ if (enable)
+ WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
+ else
+ WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
+}
+
+void rv770_enable_acpi_pm(struct radeon_device *rdev)
+{
+ WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
+}
+
+u8 rv770_get_seq_value(struct radeon_device *rdev,
+ struct rv7xx_pl *pl)
+{
+ return (pl->flags & ATOM_PPLIB_R600_FLAGS_LOWPOWER) ?
+ MC_CG_SEQ_DRAMCONF_S0 : MC_CG_SEQ_DRAMCONF_S1;
+}
+
+#if 0
+int rv770_read_smc_soft_register(struct radeon_device *rdev,
+ u16 reg_offset, u32 *value)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ return rv770_read_smc_sram_dword(rdev,
+ pi->soft_regs_start + reg_offset,
+ value, pi->sram_end);
+}
+#endif
+
+int rv770_write_smc_soft_register(struct radeon_device *rdev,
+ u16 reg_offset, u32 value)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ return rv770_write_smc_sram_dword(rdev,
+ pi->soft_regs_start + reg_offset,
+ value, pi->sram_end);
+}
+
+int rv770_populate_smc_t(struct radeon_device *rdev,
+ struct radeon_ps *radeon_state,
+ RV770_SMC_SWSTATE *smc_state)
+{
+ struct rv7xx_ps *state = rv770_get_ps(radeon_state);
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int i;
+ int a_n;
+ int a_d;
+ u8 l[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
+ u8 r[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
+ u32 a_t;
+
+ l[0] = 0;
+ r[2] = 100;
+
+ a_n = (int)state->medium.sclk * pi->lmp +
+ (int)state->low.sclk * (R600_AH_DFLT - pi->rlp);
+ a_d = (int)state->low.sclk * (100 - (int)pi->rlp) +
+ (int)state->medium.sclk * pi->lmp;
+
+ l[1] = (u8)(pi->lmp - (int)pi->lmp * a_n / a_d);
+ r[0] = (u8)(pi->rlp + (100 - (int)pi->rlp) * a_n / a_d);
+
+ a_n = (int)state->high.sclk * pi->lhp + (int)state->medium.sclk *
+ (R600_AH_DFLT - pi->rmp);
+ a_d = (int)state->medium.sclk * (100 - (int)pi->rmp) +
+ (int)state->high.sclk * pi->lhp;
+
+ l[2] = (u8)(pi->lhp - (int)pi->lhp * a_n / a_d);
+ r[1] = (u8)(pi->rmp + (100 - (int)pi->rmp) * a_n / a_d);
+
+ for (i = 0; i < (RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1); i++) {
+ a_t = CG_R(r[i] * pi->bsp / 200) | CG_L(l[i] * pi->bsp / 200);
+ smc_state->levels[i].aT = cpu_to_be32(a_t);
+ }
+
+ a_t = CG_R(r[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1] * pi->pbsp / 200) |
+ CG_L(l[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1] * pi->pbsp / 200);
+
+ smc_state->levels[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1].aT =
+ cpu_to_be32(a_t);
+
+ return 0;
+}
+
+int rv770_populate_smc_sp(struct radeon_device *rdev,
+ struct radeon_ps *radeon_state,
+ RV770_SMC_SWSTATE *smc_state)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int i;
+
+ for (i = 0; i < (RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1); i++)
+ smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);
+
+ smc_state->levels[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1].bSP =
+ cpu_to_be32(pi->psp);
+
+ return 0;
+}
+
+static void rv770_calculate_fractional_mpll_feedback_divider(u32 memory_clock,
+ u32 reference_clock,
+ bool gddr5,
+ struct atom_clock_dividers *dividers,
+ u32 *clkf,
+ u32 *clkfrac)
+{
+ u32 post_divider, reference_divider, feedback_divider8;
+ u32 fyclk;
+
+ if (gddr5)
+ fyclk = (memory_clock * 8) / 2;
+ else
+ fyclk = (memory_clock * 4) / 2;
+
+ post_divider = dividers->post_div;
+ reference_divider = dividers->ref_div;
+
+ feedback_divider8 =
+ (8 * fyclk * reference_divider * post_divider) / reference_clock;
+
+ *clkf = feedback_divider8 / 8;
+ *clkfrac = feedback_divider8 % 8;
+}
+
+static int rv770_encode_yclk_post_div(u32 postdiv, u32 *encoded_postdiv)
+{
+ int ret = 0;
+
+ switch (postdiv) {
+ case 1:
+ *encoded_postdiv = 0;
+ break;
+ case 2:
+ *encoded_postdiv = 1;
+ break;
+ case 4:
+ *encoded_postdiv = 2;
+ break;
+ case 8:
+ *encoded_postdiv = 3;
+ break;
+ case 16:
+ *encoded_postdiv = 4;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf)
+{
+ if (clkf <= 0x10)
+ return 0x4B;
+ if (clkf <= 0x19)
+ return 0x5B;
+ if (clkf <= 0x21)
+ return 0x2B;
+ if (clkf <= 0x27)
+ return 0x6C;
+ if (clkf <= 0x31)
+ return 0x9D;
+ return 0xC6;
+}
+
+static int rv770_populate_mclk_value(struct radeon_device *rdev,
+ u32 engine_clock, u32 memory_clock,
+ RV7XX_SMC_MCLK_VALUE *mclk)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u8 encoded_reference_dividers[] = { 0, 16, 17, 20, 21 };
+ u32 mpll_ad_func_cntl =
+ pi->clk_regs.rv770.mpll_ad_func_cntl;
+ u32 mpll_ad_func_cntl_2 =
+ pi->clk_regs.rv770.mpll_ad_func_cntl_2;
+ u32 mpll_dq_func_cntl =
+ pi->clk_regs.rv770.mpll_dq_func_cntl;
+ u32 mpll_dq_func_cntl_2 =
+ pi->clk_regs.rv770.mpll_dq_func_cntl_2;
+ u32 mclk_pwrmgt_cntl =
+ pi->clk_regs.rv770.mclk_pwrmgt_cntl;
+ u32 dll_cntl = pi->clk_regs.rv770.dll_cntl;
+ struct atom_clock_dividers dividers;
+ u32 reference_clock = rdev->clock.mpll.reference_freq;
+ u32 clkf, clkfrac;
+ u32 postdiv_yclk;
+ u32 ibias;
+ int ret;
+
+ ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
+ memory_clock, false, &dividers);
+ if (ret)
+ return ret;
+
+ if ((dividers.ref_div < 1) || (dividers.ref_div > 5))
+ return -EINVAL;
+
+ rv770_calculate_fractional_mpll_feedback_divider(memory_clock, reference_clock,
+ pi->mem_gddr5,
+ &dividers, &clkf, &clkfrac);
+
+ ret = rv770_encode_yclk_post_div(dividers.post_div, &postdiv_yclk);
+ if (ret)
+ return ret;
+
+ ibias = rv770_map_clkf_to_ibias(rdev, clkf);
+
+ mpll_ad_func_cntl &= ~(CLKR_MASK |
+ YCLK_POST_DIV_MASK |
+ CLKF_MASK |
+ CLKFRAC_MASK |
+ IBIAS_MASK);
+ mpll_ad_func_cntl |= CLKR(encoded_reference_dividers[dividers.ref_div - 1]);
+ mpll_ad_func_cntl |= YCLK_POST_DIV(postdiv_yclk);
+ mpll_ad_func_cntl |= CLKF(clkf);
+ mpll_ad_func_cntl |= CLKFRAC(clkfrac);
+ mpll_ad_func_cntl |= IBIAS(ibias);
+
+ if (dividers.vco_mode)
+ mpll_ad_func_cntl_2 |= VCO_MODE;
+ else
+ mpll_ad_func_cntl_2 &= ~VCO_MODE;
+
+ if (pi->mem_gddr5) {
+ rv770_calculate_fractional_mpll_feedback_divider(memory_clock,
+ reference_clock,
+ pi->mem_gddr5,
+ &dividers, &clkf, &clkfrac);
+
+ ibias = rv770_map_clkf_to_ibias(rdev, clkf);
+
+ ret = rv770_encode_yclk_post_div(dividers.post_div, &postdiv_yclk);
+ if (ret)
+ return ret;
+
+ mpll_dq_func_cntl &= ~(CLKR_MASK |
+ YCLK_POST_DIV_MASK |
+ CLKF_MASK |
+ CLKFRAC_MASK |
+ IBIAS_MASK);
+ mpll_dq_func_cntl |= CLKR(encoded_reference_dividers[dividers.ref_div - 1]);
+ mpll_dq_func_cntl |= YCLK_POST_DIV(postdiv_yclk);
+ mpll_dq_func_cntl |= CLKF(clkf);
+ mpll_dq_func_cntl |= CLKFRAC(clkfrac);
+ mpll_dq_func_cntl |= IBIAS(ibias);
+
+ if (dividers.vco_mode)
+ mpll_dq_func_cntl_2 |= VCO_MODE;
+ else
+ mpll_dq_func_cntl_2 &= ~VCO_MODE;
+ }
+
+ mclk->mclk770.mclk_value = cpu_to_be32(memory_clock);
+ mclk->mclk770.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
+ mclk->mclk770.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
+ mclk->mclk770.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
+ mclk->mclk770.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
+ mclk->mclk770.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
+ mclk->mclk770.vDLL_CNTL = cpu_to_be32(dll_cntl);
+
+ return 0;
+}
+
+static int rv770_populate_sclk_value(struct radeon_device *rdev,
+ u32 engine_clock,
+ RV770_SMC_SCLK_VALUE *sclk)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct atom_clock_dividers dividers;
+ u32 spll_func_cntl =
+ pi->clk_regs.rv770.cg_spll_func_cntl;
+ u32 spll_func_cntl_2 =
+ pi->clk_regs.rv770.cg_spll_func_cntl_2;
+ u32 spll_func_cntl_3 =
+ pi->clk_regs.rv770.cg_spll_func_cntl_3;
+ u32 cg_spll_spread_spectrum =
+ pi->clk_regs.rv770.cg_spll_spread_spectrum;
+ u32 cg_spll_spread_spectrum_2 =
+ pi->clk_regs.rv770.cg_spll_spread_spectrum_2;
+ u64 tmp;
+ u32 reference_clock = rdev->clock.spll.reference_freq;
+ u32 reference_divider, post_divider;
+ u32 fbdiv;
+ int ret;
+
+ ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+ engine_clock, false, &dividers);
+ if (ret)
+ return ret;
+
+ reference_divider = 1 + dividers.ref_div;
+
+ if (dividers.enable_post_div)
+ post_divider = (0x0f & (dividers.post_div >> 4)) + (0x0f & dividers.post_div) + 2;
+ else
+ post_divider = 1;
+
+ tmp = (u64) engine_clock * reference_divider * post_divider * 16384;
+ do_div(tmp, reference_clock);
+ fbdiv = (u32) tmp;
+
+ if (dividers.enable_post_div)
+ spll_func_cntl |= SPLL_DIVEN;
+ else
+ spll_func_cntl &= ~SPLL_DIVEN;
+ spll_func_cntl &= ~(SPLL_HILEN_MASK | SPLL_LOLEN_MASK | SPLL_REF_DIV_MASK);
+ spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
+ spll_func_cntl |= SPLL_HILEN((dividers.post_div >> 4) & 0xf);
+ spll_func_cntl |= SPLL_LOLEN(dividers.post_div & 0xf);
+
+ spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
+ spll_func_cntl_2 |= SCLK_MUX_SEL(2);
+
+ spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
+ spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
+ spll_func_cntl_3 |= SPLL_DITHEN;
+
+ if (pi->sclk_ss) {
+ struct radeon_atom_ss ss;
+ u32 vco_freq = engine_clock * post_divider;
+
+ if (radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
+ u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
+ u32 clk_v = ss.percentage * fbdiv / (clk_s * 10000);
+
+ cg_spll_spread_spectrum &= ~CLKS_MASK;
+ cg_spll_spread_spectrum |= CLKS(clk_s);
+ cg_spll_spread_spectrum |= SSEN;
+
+ cg_spll_spread_spectrum_2 &= ~CLKV_MASK;
+ cg_spll_spread_spectrum_2 |= CLKV(clk_v);
+ }
+ }
+
+ sclk->sclk_value = cpu_to_be32(engine_clock);
+ sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
+ sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
+ sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
+ sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(cg_spll_spread_spectrum);
+ sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(cg_spll_spread_spectrum_2);
+
+ return 0;
+}
+
+int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
+ RV770_SMC_VOLTAGE_VALUE *voltage)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int i;
+
+ if (!pi->voltage_control) {
+ voltage->index = 0;
+ voltage->value = 0;
+ return 0;
+ }
+
+ for (i = 0; i < pi->valid_vddc_entries; i++) {
+ if (vddc <= pi->vddc_table[i].vddc) {
+ voltage->index = pi->vddc_table[i].vddc_index;
+ voltage->value = cpu_to_be16(vddc);
+ break;
+ }
+ }
+
+ if (i == pi->valid_vddc_entries)
+ return -EINVAL;
+
+ return 0;
+}
+
+int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
+ RV770_SMC_VOLTAGE_VALUE *voltage)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (!pi->mvdd_control) {
+ voltage->index = MVDD_HIGH_INDEX;
+ voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
+ return 0;
+ }
+
+ if (mclk <= pi->mvdd_split_frequency) {
+ voltage->index = MVDD_LOW_INDEX;
+ voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
+ } else {
+ voltage->index = MVDD_HIGH_INDEX;
+ voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
+ }
+
+ return 0;
+}
+
+static int rv770_convert_power_level_to_smc(struct radeon_device *rdev,
+ struct rv7xx_pl *pl,
+ RV770_SMC_HW_PERFORMANCE_LEVEL *level,
+ u8 watermark_level)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int ret;
+
+ level->gen2PCIE = pi->pcie_gen2 ?
+ ((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0;
+ level->gen2XSP = (pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0;
+ level->backbias = (pl->flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? 1 : 0;
+ level->displayWatermark = watermark_level;
+
+ if (rdev->family == CHIP_RV740)
+ ret = rv740_populate_sclk_value(rdev, pl->sclk,
+ &level->sclk);
+ else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ ret = rv730_populate_sclk_value(rdev, pl->sclk,
+ &level->sclk);
+ else
+ ret = rv770_populate_sclk_value(rdev, pl->sclk,
+ &level->sclk);
+ if (ret)
+ return ret;
+
+ if (rdev->family == CHIP_RV740) {
+ if (pi->mem_gddr5) {
+ if (pl->mclk <= pi->mclk_strobe_mode_threshold)
+ level->strobeMode =
+ rv740_get_mclk_frequency_ratio(pl->mclk) | 0x10;
+ else
+ level->strobeMode = 0;
+
+ if (pl->mclk > pi->mclk_edc_enable_threshold)
+ level->mcFlags = SMC_MC_EDC_RD_FLAG | SMC_MC_EDC_WR_FLAG;
+ else
+ level->mcFlags = 0;
+ }
+ ret = rv740_populate_mclk_value(rdev, pl->sclk,
+ pl->mclk, &level->mclk);
+ } else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ ret = rv730_populate_mclk_value(rdev, pl->sclk,
+ pl->mclk, &level->mclk);
+ else
+ ret = rv770_populate_mclk_value(rdev, pl->sclk,
+ pl->mclk, &level->mclk);
+ if (ret)
+ return ret;
+
+ ret = rv770_populate_vddc_value(rdev, pl->vddc,
+ &level->vddc);
+ if (ret)
+ return ret;
+
+ ret = rv770_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);
+
+ return ret;
+}
+
+static int rv770_convert_power_state_to_smc(struct radeon_device *rdev,
+ struct radeon_ps *radeon_state,
+ RV770_SMC_SWSTATE *smc_state)
+{
+ struct rv7xx_ps *state = rv770_get_ps(radeon_state);
+ int ret;
+
+ if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
+ smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;
+
+ ret = rv770_convert_power_level_to_smc(rdev,
+ &state->low,
+ &smc_state->levels[0],
+ PPSMC_DISPLAY_WATERMARK_LOW);
+ if (ret)
+ return ret;
+
+ ret = rv770_convert_power_level_to_smc(rdev,
+ &state->medium,
+ &smc_state->levels[1],
+ PPSMC_DISPLAY_WATERMARK_LOW);
+ if (ret)
+ return ret;
+
+ ret = rv770_convert_power_level_to_smc(rdev,
+ &state->high,
+ &smc_state->levels[2],
+ PPSMC_DISPLAY_WATERMARK_HIGH);
+ if (ret)
+ return ret;
+
+ smc_state->levels[0].arbValue = MC_CG_ARB_FREQ_F1;
+ smc_state->levels[1].arbValue = MC_CG_ARB_FREQ_F2;
+ smc_state->levels[2].arbValue = MC_CG_ARB_FREQ_F3;
+
+ smc_state->levels[0].seqValue = rv770_get_seq_value(rdev,
+ &state->low);
+ smc_state->levels[1].seqValue = rv770_get_seq_value(rdev,
+ &state->medium);
+ smc_state->levels[2].seqValue = rv770_get_seq_value(rdev,
+ &state->high);
+
+ rv770_populate_smc_sp(rdev, radeon_state, smc_state);
+
+ return rv770_populate_smc_t(rdev, radeon_state, smc_state);
+
+}
+
+u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
+ u32 engine_clock)
+{
+ u32 dram_rows;
+ u32 dram_refresh_rate;
+ u32 mc_arb_rfsh_rate;
+ u32 tmp;
+
+ tmp = (RREG32(MC_ARB_RAMCFG) & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
+ dram_rows = 1 << (tmp + 10);
+ tmp = RREG32(MC_SEQ_MISC0) & 3;
+ dram_refresh_rate = 1 << (tmp + 3);
+ mc_arb_rfsh_rate = ((engine_clock * 10) * dram_refresh_rate / dram_rows - 32) / 64;
+
+ return mc_arb_rfsh_rate;
+}
+
+static void rv770_program_memory_timing_parameters(struct radeon_device *rdev,
+ struct radeon_ps *radeon_state)
+{
+ struct rv7xx_ps *state = rv770_get_ps(radeon_state);
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 sqm_ratio;
+ u32 arb_refresh_rate;
+ u32 high_clock;
+
+ if (state->high.sclk < (state->low.sclk * 0xFF / 0x40))
+ high_clock = state->high.sclk;
+ else
+ high_clock = (state->low.sclk * 0xFF / 0x40);
+
+ radeon_atom_set_engine_dram_timings(rdev, high_clock,
+ state->high.mclk);
+
+ sqm_ratio =
+ STATE0(64 * high_clock / pi->boot_sclk) |
+ STATE1(64 * high_clock / state->low.sclk) |
+ STATE2(64 * high_clock / state->medium.sclk) |
+ STATE3(64 * high_clock / state->high.sclk);
+ WREG32(MC_ARB_SQM_RATIO, sqm_ratio);
+
+ arb_refresh_rate =
+ POWERMODE0(rv770_calculate_memory_refresh_rate(rdev, pi->boot_sclk)) |
+ POWERMODE1(rv770_calculate_memory_refresh_rate(rdev, state->low.sclk)) |
+ POWERMODE2(rv770_calculate_memory_refresh_rate(rdev, state->medium.sclk)) |
+ POWERMODE3(rv770_calculate_memory_refresh_rate(rdev, state->high.sclk));
+ WREG32(MC_ARB_RFSH_RATE, arb_refresh_rate);
+}
+
+void rv770_enable_backbias(struct radeon_device *rdev,
+ bool enable)
+{
+ if (enable)
+ WREG32_P(GENERAL_PWRMGT, BACKBIAS_PAD_EN, ~BACKBIAS_PAD_EN);
+ else
+ WREG32_P(GENERAL_PWRMGT, 0, ~(BACKBIAS_VALUE | BACKBIAS_PAD_EN));
+}
+
+static void rv770_enable_spread_spectrum(struct radeon_device *rdev,
+ bool enable)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (enable) {
+ if (pi->sclk_ss)
+ WREG32_P(GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, ~DYN_SPREAD_SPECTRUM_EN);
+
+ if (pi->mclk_ss) {
+ if (rdev->family == CHIP_RV740)
+ rv740_enable_mclk_spread_spectrum(rdev, true);
+ }
+ } else {
+ WREG32_P(CG_SPLL_SPREAD_SPECTRUM, 0, ~SSEN);
+
+ WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN);
+
+ WREG32_P(CG_MPLL_SPREAD_SPECTRUM, 0, ~SSEN);
+
+ if (rdev->family == CHIP_RV740)
+ rv740_enable_mclk_spread_spectrum(rdev, false);
+ }
+}
+
+static void rv770_program_mpll_timing_parameters(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if ((rdev->family == CHIP_RV770) && !pi->mem_gddr5) {
+ WREG32(MPLL_TIME,
+ (MPLL_LOCK_TIME(R600_MPLLLOCKTIME_DFLT * pi->ref_div) |
+ MPLL_RESET_TIME(R600_MPLLRESETTIME_DFLT)));
+ }
+}
+
+void rv770_setup_bsp(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 xclk = radeon_get_xclk(rdev);
+
+ r600_calculate_u_and_p(pi->asi,
+ xclk,
+ 16,
+ &pi->bsp,
+ &pi->bsu);
+
+ r600_calculate_u_and_p(pi->pasi,
+ xclk,
+ 16,
+ &pi->pbsp,
+ &pi->pbsu);
+
+ pi->dsp = BSP(pi->bsp) | BSU(pi->bsu);
+ pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu);
+
+ WREG32(CG_BSP, pi->dsp);
+
+}
+
+void rv770_program_git(struct radeon_device *rdev)
+{
+ WREG32_P(CG_GIT, CG_GICST(R600_GICST_DFLT), ~CG_GICST_MASK);
+}
+
+void rv770_program_tp(struct radeon_device *rdev)
+{
+ int i;
+ enum r600_td td = R600_TD_DFLT;
+
+ for (i = 0; i < R600_PM_NUMBER_OF_TC; i++)
+ WREG32(CG_FFCT_0 + (i * 4), (UTC_0(r600_utc[i]) | DTC_0(r600_dtc[i])));
+
+ if (td == R600_TD_AUTO)
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
+ else
+ WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
+ if (td == R600_TD_UP)
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
+ if (td == R600_TD_DOWN)
+ WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
+}
+
+void rv770_program_tpp(struct radeon_device *rdev)
+{
+ WREG32(CG_TPC, R600_TPC_DFLT);
+}
+
+void rv770_program_sstp(struct radeon_device *rdev)
+{
+ WREG32(CG_SSP, (SSTU(R600_SSTU_DFLT) | SST(R600_SST_DFLT)));
+}
+
+void rv770_program_engine_speed_parameters(struct radeon_device *rdev)
+{
+ WREG32_P(SPLL_CNTL_MODE, SPLL_DIV_SYNC, ~SPLL_DIV_SYNC);
+}
+
+static void rv770_enable_display_gap(struct radeon_device *rdev)
+{
+ u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
+
+ tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
+ tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) |
+ DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE));
+ WREG32(CG_DISPLAY_GAP_CNTL, tmp);
+}
+
+void rv770_program_vc(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ WREG32(CG_FTV, pi->vrc);
+}
+
+void rv770_clear_vc(struct radeon_device *rdev)
+{
+ WREG32(CG_FTV, 0);
+}
+
+int rv770_upload_firmware(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int ret;
+
+ rv770_reset_smc(rdev);
+ rv770_stop_smc_clock(rdev);
+
+ ret = rv770_load_smc_ucode(rdev, pi->sram_end);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int rv770_populate_smc_acpi_state(struct radeon_device *rdev,
+ RV770_SMC_STATETABLE *table)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ u32 mpll_ad_func_cntl =
+ pi->clk_regs.rv770.mpll_ad_func_cntl;
+ u32 mpll_ad_func_cntl_2 =
+ pi->clk_regs.rv770.mpll_ad_func_cntl_2;
+ u32 mpll_dq_func_cntl =
+ pi->clk_regs.rv770.mpll_dq_func_cntl;
+ u32 mpll_dq_func_cntl_2 =
+ pi->clk_regs.rv770.mpll_dq_func_cntl_2;
+ u32 spll_func_cntl =
+ pi->clk_regs.rv770.cg_spll_func_cntl;
+ u32 spll_func_cntl_2 =
+ pi->clk_regs.rv770.cg_spll_func_cntl_2;
+ u32 spll_func_cntl_3 =
+ pi->clk_regs.rv770.cg_spll_func_cntl_3;
+ u32 mclk_pwrmgt_cntl;
+ u32 dll_cntl;
+
+ table->ACPIState = table->initialState;
+
+ table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;
+
+ if (pi->acpi_vddc) {
+ rv770_populate_vddc_value(rdev, pi->acpi_vddc,
+ &table->ACPIState.levels[0].vddc);
+ if (pi->pcie_gen2) {
+ if (pi->acpi_pcie_gen2)
+ table->ACPIState.levels[0].gen2PCIE = 1;
+ else
+ table->ACPIState.levels[0].gen2PCIE = 0;
+ } else
+ table->ACPIState.levels[0].gen2PCIE = 0;
+ if (pi->acpi_pcie_gen2)
+ table->ACPIState.levels[0].gen2XSP = 1;
+ else
+ table->ACPIState.levels[0].gen2XSP = 0;
+ } else {
+ rv770_populate_vddc_value(rdev, pi->min_vddc_in_table,
+ &table->ACPIState.levels[0].vddc);
+ table->ACPIState.levels[0].gen2PCIE = 0;
+ }
+
+
+ mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
+
+ mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
+
+ mclk_pwrmgt_cntl = (MRDCKA0_RESET |
+ MRDCKA1_RESET |
+ MRDCKB0_RESET |
+ MRDCKB1_RESET |
+ MRDCKC0_RESET |
+ MRDCKC1_RESET |
+ MRDCKD0_RESET |
+ MRDCKD1_RESET);
+
+ dll_cntl = 0xff000000;
+
+ spll_func_cntl |= SPLL_RESET | SPLL_SLEEP | SPLL_BYPASS_EN;
+
+ spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
+ spll_func_cntl_2 |= SCLK_MUX_SEL(4);
+
+ table->ACPIState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
+ table->ACPIState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
+ table->ACPIState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
+ table->ACPIState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
+
+ table->ACPIState.levels[0].mclk.mclk770.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
+ table->ACPIState.levels[0].mclk.mclk770.vDLL_CNTL = cpu_to_be32(dll_cntl);
+
+ table->ACPIState.levels[0].mclk.mclk770.mclk_value = 0;
+
+ table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
+ table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
+ table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
+
+ table->ACPIState.levels[0].sclk.sclk_value = 0;
+
+ rv770_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
+
+ table->ACPIState.levels[1] = table->ACPIState.levels[0];
+ table->ACPIState.levels[2] = table->ACPIState.levels[0];
+
+ return 0;
+}
+
+int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
+ RV770_SMC_VOLTAGE_VALUE *voltage)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if ((pi->s0_vid_lower_smio_cntl & pi->mvdd_mask_low) ==
+ (pi->mvdd_low_smio[MVDD_LOW_INDEX] & pi->mvdd_mask_low) ) {
+ voltage->index = MVDD_LOW_INDEX;
+ voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
+ } else {
+ voltage->index = MVDD_HIGH_INDEX;
+ voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
+ }
+
+ return 0;
+}
+
+static int rv770_populate_smc_initial_state(struct radeon_device *rdev,
+ struct radeon_ps *radeon_state,
+ RV770_SMC_STATETABLE *table)
+{
+ struct rv7xx_ps *initial_state = rv770_get_ps(radeon_state);
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 a_t;
+
+ table->initialState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL =
+ cpu_to_be32(pi->clk_regs.rv770.mpll_ad_func_cntl);
+ table->initialState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL_2 =
+ cpu_to_be32(pi->clk_regs.rv770.mpll_ad_func_cntl_2);
+ table->initialState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL =
+ cpu_to_be32(pi->clk_regs.rv770.mpll_dq_func_cntl);
+ table->initialState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL_2 =
+ cpu_to_be32(pi->clk_regs.rv770.mpll_dq_func_cntl_2);
+ table->initialState.levels[0].mclk.mclk770.vMCLK_PWRMGT_CNTL =
+ cpu_to_be32(pi->clk_regs.rv770.mclk_pwrmgt_cntl);
+ table->initialState.levels[0].mclk.mclk770.vDLL_CNTL =
+ cpu_to_be32(pi->clk_regs.rv770.dll_cntl);
+
+ table->initialState.levels[0].mclk.mclk770.vMPLL_SS =
+ cpu_to_be32(pi->clk_regs.rv770.mpll_ss1);
+ table->initialState.levels[0].mclk.mclk770.vMPLL_SS2 =
+ cpu_to_be32(pi->clk_regs.rv770.mpll_ss2);
+
+ table->initialState.levels[0].mclk.mclk770.mclk_value =
+ cpu_to_be32(initial_state->low.mclk);
+
+ table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL =
+ cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl);
+ table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 =
+ cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl_2);
+ table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 =
+ cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl_3);
+ table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM =
+ cpu_to_be32(pi->clk_regs.rv770.cg_spll_spread_spectrum);
+ table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
+ cpu_to_be32(pi->clk_regs.rv770.cg_spll_spread_spectrum_2);
+
+ table->initialState.levels[0].sclk.sclk_value =
+ cpu_to_be32(initial_state->low.sclk);
+
+ table->initialState.levels[0].arbValue = MC_CG_ARB_FREQ_F0;
+
+ table->initialState.levels[0].seqValue =
+ rv770_get_seq_value(rdev, &initial_state->low);
+
+ rv770_populate_vddc_value(rdev,
+ initial_state->low.vddc,
+ &table->initialState.levels[0].vddc);
+ rv770_populate_initial_mvdd_value(rdev,
+ &table->initialState.levels[0].mvdd);
+
+ a_t = CG_R(0xffff) | CG_L(0);
+ table->initialState.levels[0].aT = cpu_to_be32(a_t);
+
+ table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp);
+
+ if (pi->boot_in_gen2)
+ table->initialState.levels[0].gen2PCIE = 1;
+ else
+ table->initialState.levels[0].gen2PCIE = 0;
+ if (initial_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
+ table->initialState.levels[0].gen2XSP = 1;
+ else
+ table->initialState.levels[0].gen2XSP = 0;
+
+ if (rdev->family == CHIP_RV740) {
+ if (pi->mem_gddr5) {
+ if (initial_state->low.mclk <= pi->mclk_strobe_mode_threshold)
+ table->initialState.levels[0].strobeMode =
+ rv740_get_mclk_frequency_ratio(initial_state->low.mclk) | 0x10;
+ else
+ table->initialState.levels[0].strobeMode = 0;
+
+ if (initial_state->low.mclk >= pi->mclk_edc_enable_threshold)
+ table->initialState.levels[0].mcFlags = SMC_MC_EDC_RD_FLAG | SMC_MC_EDC_WR_FLAG;
+ else
+ table->initialState.levels[0].mcFlags = 0;
+ }
+ }
+
+ table->initialState.levels[1] = table->initialState.levels[0];
+ table->initialState.levels[2] = table->initialState.levels[0];
+
+ table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;
+
+ return 0;
+}
+
+static int rv770_populate_smc_vddc_table(struct radeon_device *rdev,
+ RV770_SMC_STATETABLE *table)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int i;
+
+ for (i = 0; i < pi->valid_vddc_entries; i++) {
+ table->highSMIO[pi->vddc_table[i].vddc_index] =
+ pi->vddc_table[i].high_smio;
+ table->lowSMIO[pi->vddc_table[i].vddc_index] =
+ cpu_to_be32(pi->vddc_table[i].low_smio);
+ }
+
+ table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDC] = 0;
+ table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDC] =
+ cpu_to_be32(pi->vddc_mask_low);
+
+ for (i = 0;
+ ((i < pi->valid_vddc_entries) &&
+ (pi->max_vddc_in_table >
+ pi->vddc_table[i].vddc));
+ i++);
+
+ table->maxVDDCIndexInPPTable =
+ pi->vddc_table[i].vddc_index;
+
+ return 0;
+}
+
+static int rv770_populate_smc_mvdd_table(struct radeon_device *rdev,
+ RV770_SMC_STATETABLE *table)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (pi->mvdd_control) {
+ table->lowSMIO[MVDD_HIGH_INDEX] |=
+ cpu_to_be32(pi->mvdd_low_smio[MVDD_HIGH_INDEX]);
+ table->lowSMIO[MVDD_LOW_INDEX] |=
+ cpu_to_be32(pi->mvdd_low_smio[MVDD_LOW_INDEX]);
+
+ table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_MVDD] = 0;
+ table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_MVDD] =
+ cpu_to_be32(pi->mvdd_mask_low);
+ }
+
+ return 0;
+}
+
+static int rv770_init_smc_table(struct radeon_device *rdev,
+ struct radeon_ps *radeon_boot_state)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state);
+ RV770_SMC_STATETABLE *table = &pi->smc_statetable;
+ int ret;
+
+ memset(table, 0, sizeof(RV770_SMC_STATETABLE));
+
+ pi->boot_sclk = boot_state->low.sclk;
+
+ rv770_populate_smc_vddc_table(rdev, table);
+ rv770_populate_smc_mvdd_table(rdev, table);
+
+ switch (rdev->pm.int_thermal_type) {
+ case THERMAL_TYPE_RV770:
+ case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
+ table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
+ break;
+ case THERMAL_TYPE_NONE:
+ table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
+ break;
+ case THERMAL_TYPE_EXTERNAL_GPIO:
+ default:
+ table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
+ break;
+ }
+
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC) {
+ table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
+
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_DONT_WAIT_FOR_VBLANK_ON_ALERT)
+ table->extraFlags |= PPSMC_EXTRAFLAGS_AC2DC_DONT_WAIT_FOR_VBLANK;
+
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_GOTO_BOOT_ON_ALERT)
+ table->extraFlags |= PPSMC_EXTRAFLAGS_AC2DC_ACTION_GOTOINITIALSTATE;
+ }
+
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
+ table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
+
+ if (pi->mem_gddr5)
+ table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ ret = rv730_populate_smc_initial_state(rdev, radeon_boot_state, table);
+ else
+ ret = rv770_populate_smc_initial_state(rdev, radeon_boot_state, table);
+ if (ret)
+ return ret;
+
+ if (rdev->family == CHIP_RV740)
+ ret = rv740_populate_smc_acpi_state(rdev, table);
+ else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ ret = rv730_populate_smc_acpi_state(rdev, table);
+ else
+ ret = rv770_populate_smc_acpi_state(rdev, table);
+ if (ret)
+ return ret;
+
+ table->driverState = table->initialState;
+
+ return rv770_copy_bytes_to_smc(rdev,
+ pi->state_table_start,
+ (const u8 *)table,
+ sizeof(RV770_SMC_STATETABLE),
+ pi->sram_end);
+}
+
+static int rv770_construct_vddc_table(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u16 min, max, step;
+ u32 steps = 0;
+ u8 vddc_index = 0;
+ u32 i;
+
+ radeon_atom_get_min_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, &min);
+ radeon_atom_get_max_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, &max);
+ radeon_atom_get_voltage_step(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, &step);
+
+ steps = (max - min) / step + 1;
+
+ if (steps > MAX_NO_VREG_STEPS)
+ return -EINVAL;
+
+ for (i = 0; i < steps; i++) {
+ u32 gpio_pins, gpio_mask;
+
+ pi->vddc_table[i].vddc = (u16)(min + i * step);
+ radeon_atom_get_voltage_gpio_settings(rdev,
+ pi->vddc_table[i].vddc,
+ SET_VOLTAGE_TYPE_ASIC_VDDC,
+ &gpio_pins, &gpio_mask);
+ pi->vddc_table[i].low_smio = gpio_pins & gpio_mask;
+ pi->vddc_table[i].high_smio = 0;
+ pi->vddc_mask_low = gpio_mask;
+ if (i > 0) {
+ if ((pi->vddc_table[i].low_smio !=
+ pi->vddc_table[i - 1].low_smio ) ||
+ (pi->vddc_table[i].high_smio !=
+ pi->vddc_table[i - 1].high_smio))
+ vddc_index++;
+ }
+ pi->vddc_table[i].vddc_index = vddc_index;
+ }
+
+ pi->valid_vddc_entries = (u8)steps;
+
+ return 0;
+}
+
+static u32 rv770_get_mclk_split_point(struct atom_memory_info *memory_info)
+{
+ if (memory_info->mem_type == MEM_TYPE_GDDR3)
+ return 30000;
+
+ return 0;
+}
+
+static int rv770_get_mvdd_pin_configuration(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 gpio_pins, gpio_mask;
+
+ radeon_atom_get_voltage_gpio_settings(rdev,
+ MVDD_HIGH_VALUE, SET_VOLTAGE_TYPE_ASIC_MVDDC,
+ &gpio_pins, &gpio_mask);
+ pi->mvdd_mask_low = gpio_mask;
+ pi->mvdd_low_smio[MVDD_HIGH_INDEX] =
+ gpio_pins & gpio_mask;
+
+ radeon_atom_get_voltage_gpio_settings(rdev,
+ MVDD_LOW_VALUE, SET_VOLTAGE_TYPE_ASIC_MVDDC,
+ &gpio_pins, &gpio_mask);
+ pi->mvdd_low_smio[MVDD_LOW_INDEX] =
+ gpio_pins & gpio_mask;
+
+ return 0;
+}
+
+u8 rv770_get_memory_module_index(struct radeon_device *rdev)
+{
+ return (u8) ((RREG32(BIOS_SCRATCH_4) >> 16) & 0xff);
+}
+
+static int rv770_get_mvdd_configuration(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u8 memory_module_index;
+ struct atom_memory_info memory_info;
+
+ memory_module_index = rv770_get_memory_module_index(rdev);
+
+ if (radeon_atom_get_memory_info(rdev, memory_module_index, &memory_info)) {
+ pi->mvdd_control = false;
+ return 0;
+ }
+
+ pi->mvdd_split_frequency =
+ rv770_get_mclk_split_point(&memory_info);
+
+ if (pi->mvdd_split_frequency == 0) {
+ pi->mvdd_control = false;
+ return 0;
+ }
+
+ return rv770_get_mvdd_pin_configuration(rdev);
+}
+
+void rv770_enable_voltage_control(struct radeon_device *rdev,
+ bool enable)
+{
+ if (enable)
+ WREG32_P(GENERAL_PWRMGT, VOLT_PWRMGT_EN, ~VOLT_PWRMGT_EN);
+ else
+ WREG32_P(GENERAL_PWRMGT, 0, ~VOLT_PWRMGT_EN);
+}
+
+static void rv770_program_display_gap(struct radeon_device *rdev)
+{
+ u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
+
+ tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
+ if (rdev->pm.dpm.new_active_crtcs & 1) {
+ tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
+ tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
+ } else if (rdev->pm.dpm.new_active_crtcs & 2) {
+ tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
+ tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
+ } else {
+ tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
+ tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
+ }
+ WREG32(CG_DISPLAY_GAP_CNTL, tmp);
+}
+
+static void rv770_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
+ bool enable)
+{
+ rv770_enable_bif_dynamic_pcie_gen2(rdev, enable);
+
+ if (enable)
+ WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
+ else
+ WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
+}
+
+static void r7xx_program_memory_timing_parameters(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state)
+{
+ if ((rdev->family == CHIP_RV730) ||
+ (rdev->family == CHIP_RV710) ||
+ (rdev->family == CHIP_RV740))
+ rv730_program_memory_timing_parameters(rdev, radeon_new_state);
+ else
+ rv770_program_memory_timing_parameters(rdev, radeon_new_state);
+}
+
+static int rv770_upload_sw_state(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u16 address = pi->state_table_start +
+ offsetof(RV770_SMC_STATETABLE, driverState);
+ RV770_SMC_SWSTATE state = { 0 };
+ int ret;
+
+ ret = rv770_convert_power_state_to_smc(rdev, radeon_new_state, &state);
+ if (ret)
+ return ret;
+
+ return rv770_copy_bytes_to_smc(rdev, address, (const u8 *)&state,
+ sizeof(RV770_SMC_SWSTATE),
+ pi->sram_end);
+}
+
+int rv770_halt_smc(struct radeon_device *rdev)
+{
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_Halt) != PPSMC_Result_OK)
+ return -EINVAL;
+
+ if (rv770_wait_for_smc_inactive(rdev) != PPSMC_Result_OK)
+ return -EINVAL;
+
+ return 0;
+}
+
+int rv770_resume_smc(struct radeon_device *rdev)
+{
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_Resume) != PPSMC_Result_OK)
+ return -EINVAL;
+ return 0;
+}
+
+int rv770_set_sw_state(struct radeon_device *rdev)
+{
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToSwState) != PPSMC_Result_OK)
+ DRM_DEBUG("rv770_set_sw_state failed\n");
+ return 0;
+}
+
+int rv770_set_boot_state(struct radeon_device *rdev)
+{
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToInitialState) != PPSMC_Result_OK)
+ return -EINVAL;
+ return 0;
+}
+
+void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
+ struct radeon_ps *new_ps,
+ struct radeon_ps *old_ps)
+{
+ struct rv7xx_ps *new_state = rv770_get_ps(new_ps);
+ struct rv7xx_ps *current_state = rv770_get_ps(old_ps);
+
+ if ((new_ps->vclk == old_ps->vclk) &&
+ (new_ps->dclk == old_ps->dclk))
+ return;
+
+ if (new_state->high.sclk >= current_state->high.sclk)
+ return;
+
+ radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
+}
+
+void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
+ struct radeon_ps *new_ps,
+ struct radeon_ps *old_ps)
+{
+ struct rv7xx_ps *new_state = rv770_get_ps(new_ps);
+ struct rv7xx_ps *current_state = rv770_get_ps(old_ps);
+
+ if ((new_ps->vclk == old_ps->vclk) &&
+ (new_ps->dclk == old_ps->dclk))
+ return;
+
+ if (new_state->high.sclk < current_state->high.sclk)
+ return;
+
+ radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
+}
+
+int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev)
+{
+ if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_NoForcedLevel)) != PPSMC_Result_OK)
+ return -EINVAL;
+
+ if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_TwoLevelsDisabled)) != PPSMC_Result_OK)
+ return -EINVAL;
+
+ return 0;
+}
+
+int rv770_dpm_force_performance_level(struct radeon_device *rdev,
+ enum radeon_dpm_forced_level level)
+{
+ PPSMC_Msg msg;
+
+ if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ZeroLevelsDisabled) != PPSMC_Result_OK)
+ return -EINVAL;
+ msg = PPSMC_MSG_ForceHigh;
+ } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
+ return -EINVAL;
+ msg = (PPSMC_Msg)(PPSMC_MSG_TwoLevelsDisabled);
+ } else {
+ if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
+ return -EINVAL;
+ msg = (PPSMC_Msg)(PPSMC_MSG_ZeroLevelsDisabled);
+ }
+
+ if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK)
+ return -EINVAL;
+
+ rdev->pm.dpm.forced_level = level;
+
+ return 0;
+}
+
+void r7xx_start_smc(struct radeon_device *rdev)
+{
+ rv770_start_smc(rdev);
+ rv770_start_smc_clock(rdev);
+}
+
+
+void r7xx_stop_smc(struct radeon_device *rdev)
+{
+ rv770_reset_smc(rdev);
+ rv770_stop_smc_clock(rdev);
+}
+
+static void rv770_read_clock_registers(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ pi->clk_regs.rv770.cg_spll_func_cntl =
+ RREG32(CG_SPLL_FUNC_CNTL);
+ pi->clk_regs.rv770.cg_spll_func_cntl_2 =
+ RREG32(CG_SPLL_FUNC_CNTL_2);
+ pi->clk_regs.rv770.cg_spll_func_cntl_3 =
+ RREG32(CG_SPLL_FUNC_CNTL_3);
+ pi->clk_regs.rv770.cg_spll_spread_spectrum =
+ RREG32(CG_SPLL_SPREAD_SPECTRUM);
+ pi->clk_regs.rv770.cg_spll_spread_spectrum_2 =
+ RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
+ pi->clk_regs.rv770.mpll_ad_func_cntl =
+ RREG32(MPLL_AD_FUNC_CNTL);
+ pi->clk_regs.rv770.mpll_ad_func_cntl_2 =
+ RREG32(MPLL_AD_FUNC_CNTL_2);
+ pi->clk_regs.rv770.mpll_dq_func_cntl =
+ RREG32(MPLL_DQ_FUNC_CNTL);
+ pi->clk_regs.rv770.mpll_dq_func_cntl_2 =
+ RREG32(MPLL_DQ_FUNC_CNTL_2);
+ pi->clk_regs.rv770.mclk_pwrmgt_cntl =
+ RREG32(MCLK_PWRMGT_CNTL);
+ pi->clk_regs.rv770.dll_cntl = RREG32(DLL_CNTL);
+}
+
+static void r7xx_read_clock_registers(struct radeon_device *rdev)
+{
+ if (rdev->family == CHIP_RV740)
+ rv740_read_clock_registers(rdev);
+ else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ rv730_read_clock_registers(rdev);
+ else
+ rv770_read_clock_registers(rdev);
+}
+
+void rv770_read_voltage_smio_registers(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ pi->s0_vid_lower_smio_cntl =
+ RREG32(S0_VID_LOWER_SMIO_CNTL);
+}
+
+void rv770_reset_smio_status(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 sw_smio_index, vid_smio_cntl;
+
+ sw_smio_index =
+ (RREG32(GENERAL_PWRMGT) & SW_SMIO_INDEX_MASK) >> SW_SMIO_INDEX_SHIFT;
+ switch (sw_smio_index) {
+ case 3:
+ vid_smio_cntl = RREG32(S3_VID_LOWER_SMIO_CNTL);
+ break;
+ case 2:
+ vid_smio_cntl = RREG32(S2_VID_LOWER_SMIO_CNTL);
+ break;
+ case 1:
+ vid_smio_cntl = RREG32(S1_VID_LOWER_SMIO_CNTL);
+ break;
+ case 0:
+ return;
+ default:
+ vid_smio_cntl = pi->s0_vid_lower_smio_cntl;
+ break;
+ }
+
+ WREG32(S0_VID_LOWER_SMIO_CNTL, vid_smio_cntl);
+ WREG32_P(GENERAL_PWRMGT, SW_SMIO_INDEX(0), ~SW_SMIO_INDEX_MASK);
+}
+
+void rv770_get_memory_type(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 tmp;
+
+ tmp = RREG32(MC_SEQ_MISC0);
+
+ if (((tmp & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT) ==
+ MC_SEQ_MISC0_GDDR5_VALUE)
+ pi->mem_gddr5 = true;
+ else
+ pi->mem_gddr5 = false;
+
+}
+
+void rv770_get_pcie_gen2_status(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u32 tmp;
+
+ tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
+
+ if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
+ (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2))
+ pi->pcie_gen2 = true;
+ else
+ pi->pcie_gen2 = false;
+
+ if (pi->pcie_gen2) {
+ if (tmp & LC_CURRENT_DATA_RATE)
+ pi->boot_in_gen2 = true;
+ else
+ pi->boot_in_gen2 = false;
+ } else
+ pi->boot_in_gen2 = false;
+}
+
+#if 0
+static int rv770_enter_ulp_state(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (pi->gfx_clock_gating) {
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
+ WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
+ RREG32(GB_TILING_CONFIG);
+ }
+
+ WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
+ ~HOST_SMC_MSG_MASK);
+
+ udelay(7000);
+
+ return 0;
+}
+
+static int rv770_exit_ulp_state(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ int i;
+
+ WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_ResumeFromMinimumPower),
+ ~HOST_SMC_MSG_MASK);
+
+ udelay(7000);
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (((RREG32(SMC_MSG) & HOST_SMC_RESP_MASK) >> HOST_SMC_RESP_SHIFT) == 1)
+ break;
+ udelay(1000);
+ }
+
+ if (pi->gfx_clock_gating)
+ WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
+
+ return 0;
+}
+#endif
+
+static void rv770_get_mclk_odt_threshold(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u8 memory_module_index;
+ struct atom_memory_info memory_info;
+
+ pi->mclk_odt_threshold = 0;
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710)) {
+ memory_module_index = rv770_get_memory_module_index(rdev);
+
+ if (radeon_atom_get_memory_info(rdev, memory_module_index, &memory_info))
+ return;
+
+ if (memory_info.mem_type == MEM_TYPE_DDR2 ||
+ memory_info.mem_type == MEM_TYPE_DDR3)
+ pi->mclk_odt_threshold = 30000;
+ }
+}
+
+void rv770_get_max_vddc(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ u16 vddc;
+
+ if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc))
+ pi->max_vddc = 0;
+ else
+ pi->max_vddc = vddc;
+}
+
+void rv770_program_response_times(struct radeon_device *rdev)
+{
+ u32 voltage_response_time, backbias_response_time;
+ u32 acpi_delay_time, vbi_time_out;
+ u32 vddc_dly, bb_dly, acpi_dly, vbi_dly;
+ u32 reference_clock;
+
+ voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
+ backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;
+
+ if (voltage_response_time == 0)
+ voltage_response_time = 1000;
+
+ if (backbias_response_time == 0)
+ backbias_response_time = 1000;
+
+ acpi_delay_time = 15000;
+ vbi_time_out = 100000;
+
+ reference_clock = radeon_get_xclk(rdev);
+
+ vddc_dly = (voltage_response_time * reference_clock) / 1600;
+ bb_dly = (backbias_response_time * reference_clock) / 1600;
+ acpi_dly = (acpi_delay_time * reference_clock) / 1600;
+ vbi_dly = (vbi_time_out * reference_clock) / 1600;
+
+ rv770_write_smc_soft_register(rdev,
+ RV770_SMC_SOFT_REGISTER_delay_vreg, vddc_dly);
+ rv770_write_smc_soft_register(rdev,
+ RV770_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
+ rv770_write_smc_soft_register(rdev,
+ RV770_SMC_SOFT_REGISTER_delay_acpi, acpi_dly);
+ rv770_write_smc_soft_register(rdev,
+ RV770_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
+#if 0
+ /* XXX look up hw revision */
+ if (WEKIVA_A21)
+ rv770_write_smc_soft_register(rdev,
+ RV770_SMC_SOFT_REGISTER_baby_step_timer,
+ 0x10);
+#endif
+}
+
+static void rv770_program_dcodt_before_state_switch(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state,
+ struct radeon_ps *radeon_current_state)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state);
+ struct rv7xx_ps *current_state = rv770_get_ps(radeon_current_state);
+ bool current_use_dc = false;
+ bool new_use_dc = false;
+
+ if (pi->mclk_odt_threshold == 0)
+ return;
+
+ if (current_state->high.mclk <= pi->mclk_odt_threshold)
+ current_use_dc = true;
+
+ if (new_state->high.mclk <= pi->mclk_odt_threshold)
+ new_use_dc = true;
+
+ if (current_use_dc == new_use_dc)
+ return;
+
+ if (!current_use_dc && new_use_dc)
+ return;
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ rv730_program_dcodt(rdev, new_use_dc);
+}
+
+static void rv770_program_dcodt_after_state_switch(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state,
+ struct radeon_ps *radeon_current_state)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state);
+ struct rv7xx_ps *current_state = rv770_get_ps(radeon_current_state);
+ bool current_use_dc = false;
+ bool new_use_dc = false;
+
+ if (pi->mclk_odt_threshold == 0)
+ return;
+
+ if (current_state->high.mclk <= pi->mclk_odt_threshold)
+ current_use_dc = true;
+
+ if (new_state->high.mclk <= pi->mclk_odt_threshold)
+ new_use_dc = true;
+
+ if (current_use_dc == new_use_dc)
+ return;
+
+ if (current_use_dc && !new_use_dc)
+ return;
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ rv730_program_dcodt(rdev, new_use_dc);
+}
+
+static void rv770_retrieve_odt_values(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (pi->mclk_odt_threshold == 0)
+ return;
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ rv730_get_odt_values(rdev);
+}
+
+static void rv770_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ bool want_thermal_protection;
+ enum radeon_dpm_event_src dpm_event_src;
+
+ switch (sources) {
+ case 0:
+ default:
+ want_thermal_protection = false;
+ break;
+ case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL):
+ want_thermal_protection = true;
+ dpm_event_src = RADEON_DPM_EVENT_SRC_DIGITAL;
+ break;
+
+ case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
+ want_thermal_protection = true;
+ dpm_event_src = RADEON_DPM_EVENT_SRC_EXTERNAL;
+ break;
+
+ case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
+ (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)):
+ want_thermal_protection = true;
+ dpm_event_src = RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
+ break;
+ }
+
+ if (want_thermal_protection) {
+ WREG32_P(CG_THERMAL_CTRL, DPM_EVENT_SRC(dpm_event_src), ~DPM_EVENT_SRC_MASK);
+ if (pi->thermal_protection)
+ WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
+ } else {
+ WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
+ }
+}
+
+void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
+ enum radeon_dpm_auto_throttle_src source,
+ bool enable)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (enable) {
+ if (!(pi->active_auto_throttle_sources & (1 << source))) {
+ pi->active_auto_throttle_sources |= 1 << source;
+ rv770_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
+ }
+ } else {
+ if (pi->active_auto_throttle_sources & (1 << source)) {
+ pi->active_auto_throttle_sources &= ~(1 << source);
+ rv770_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
+ }
+ }
+}
+
+static int rv770_set_thermal_temperature_range(struct radeon_device *rdev,
+ int min_temp, int max_temp)
+{
+ int low_temp = 0 * 1000;
+ int high_temp = 255 * 1000;
+
+ if (low_temp < min_temp)
+ low_temp = min_temp;
+ if (high_temp > max_temp)
+ high_temp = max_temp;
+ if (high_temp < low_temp) {
+ DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
+ return -EINVAL;
+ }
+
+ WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
+ WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
+ WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
+
+ rdev->pm.dpm.thermal.min_temp = low_temp;
+ rdev->pm.dpm.thermal.max_temp = high_temp;
+
+ return 0;
+}
+
+int rv770_dpm_enable(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
+ int ret;
+
+ if (pi->gfx_clock_gating)
+ rv770_restore_cgcg(rdev);
+
+ if (rv770_dpm_enabled(rdev))
+ return -EINVAL;
+
+ if (pi->voltage_control) {
+ rv770_enable_voltage_control(rdev, true);
+ ret = rv770_construct_vddc_table(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_construct_vddc_table failed\n");
+ return ret;
+ }
+ }
+
+ if (pi->dcodt)
+ rv770_retrieve_odt_values(rdev);
+
+ if (pi->mvdd_control) {
+ ret = rv770_get_mvdd_configuration(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_get_mvdd_configuration failed\n");
+ return ret;
+ }
+ }
+
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
+ rv770_enable_backbias(rdev, true);
+
+ rv770_enable_spread_spectrum(rdev, true);
+
+ if (pi->thermal_protection)
+ rv770_enable_thermal_protection(rdev, true);
+
+ rv770_program_mpll_timing_parameters(rdev);
+ rv770_setup_bsp(rdev);
+ rv770_program_git(rdev);
+ rv770_program_tp(rdev);
+ rv770_program_tpp(rdev);
+ rv770_program_sstp(rdev);
+ rv770_program_engine_speed_parameters(rdev);
+ rv770_enable_display_gap(rdev);
+ rv770_program_vc(rdev);
+
+ if (pi->dynamic_pcie_gen2)
+ rv770_enable_dynamic_pcie_gen2(rdev, true);
+
+ ret = rv770_upload_firmware(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_upload_firmware failed\n");
+ return ret;
+ }
+ ret = rv770_init_smc_table(rdev, boot_ps);
+ if (ret) {
+ DRM_ERROR("rv770_init_smc_table failed\n");
+ return ret;
+ }
+
+ rv770_program_response_times(rdev);
+ r7xx_start_smc(rdev);
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ rv730_start_dpm(rdev);
+ else
+ rv770_start_dpm(rdev);
+
+ if (pi->gfx_clock_gating)
+ rv770_gfx_clock_gating_enable(rdev, true);
+
+ if (pi->mg_clock_gating)
+ rv770_mg_clock_gating_enable(rdev, true);
+
+ rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
+
+ return 0;
+}
+
+int rv770_dpm_late_enable(struct radeon_device *rdev)
+{
+ int ret;
+
+ if (rdev->irq.installed &&
+ r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
+ PPSMC_Result result;
+
+ ret = rv770_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
+ if (ret)
+ return ret;
+ rdev->irq.dpm_thermal = true;
+ radeon_irq_set(rdev);
+ result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableThermalInterrupt);
+
+ if (result != PPSMC_Result_OK)
+ DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
+ }
+
+ return 0;
+}
+
+void rv770_dpm_disable(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ if (!rv770_dpm_enabled(rdev))
+ return;
+
+ rv770_clear_vc(rdev);
+
+ if (pi->thermal_protection)
+ rv770_enable_thermal_protection(rdev, false);
+
+ rv770_enable_spread_spectrum(rdev, false);
+
+ if (pi->dynamic_pcie_gen2)
+ rv770_enable_dynamic_pcie_gen2(rdev, false);
+
+ if (rdev->irq.installed &&
+ r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
+ rdev->irq.dpm_thermal = false;
+ radeon_irq_set(rdev);
+ }
+
+ if (pi->gfx_clock_gating)
+ rv770_gfx_clock_gating_enable(rdev, false);
+
+ if (pi->mg_clock_gating)
+ rv770_mg_clock_gating_enable(rdev, false);
+
+ if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
+ rv730_stop_dpm(rdev);
+ else
+ rv770_stop_dpm(rdev);
+
+ r7xx_stop_smc(rdev);
+ rv770_reset_smio_status(rdev);
+}
+
+int rv770_dpm_set_power_state(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
+ struct radeon_ps *old_ps = rdev->pm.dpm.current_ps;
+ int ret;
+
+ ret = rv770_restrict_performance_levels_before_switch(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_restrict_performance_levels_before_switch failed\n");
+ return ret;
+ }
+ rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
+ ret = rv770_halt_smc(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_halt_smc failed\n");
+ return ret;
+ }
+ ret = rv770_upload_sw_state(rdev, new_ps);
+ if (ret) {
+ DRM_ERROR("rv770_upload_sw_state failed\n");
+ return ret;
+ }
+ r7xx_program_memory_timing_parameters(rdev, new_ps);
+ if (pi->dcodt)
+ rv770_program_dcodt_before_state_switch(rdev, new_ps, old_ps);
+ ret = rv770_resume_smc(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_resume_smc failed\n");
+ return ret;
+ }
+ ret = rv770_set_sw_state(rdev);
+ if (ret) {
+ DRM_ERROR("rv770_set_sw_state failed\n");
+ return ret;
+ }
+ if (pi->dcodt)
+ rv770_program_dcodt_after_state_switch(rdev, new_ps, old_ps);
+ rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
+
+ return 0;
+}
+
+#if 0
+void rv770_dpm_reset_asic(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
+
+ rv770_restrict_performance_levels_before_switch(rdev);
+ if (pi->dcodt)
+ rv770_program_dcodt_before_state_switch(rdev, boot_ps, boot_ps);
+ rv770_set_boot_state(rdev);
+ if (pi->dcodt)
+ rv770_program_dcodt_after_state_switch(rdev, boot_ps, boot_ps);
+}
+#endif
+
+void rv770_dpm_setup_asic(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+
+ r7xx_read_clock_registers(rdev);
+ rv770_read_voltage_smio_registers(rdev);
+ rv770_get_memory_type(rdev);
+ if (pi->dcodt)
+ rv770_get_mclk_odt_threshold(rdev);
+ rv770_get_pcie_gen2_status(rdev);
+
+ rv770_enable_acpi_pm(rdev);
+
+ if (radeon_aspm != 0) {
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s)
+ rv770_enable_l0s(rdev);
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1)
+ rv770_enable_l1(rdev);
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1)
+ rv770_enable_pll_sleep_in_l1(rdev);
+ }
+}
+
+void rv770_dpm_display_configuration_changed(struct radeon_device *rdev)
+{
+ rv770_program_display_gap(rdev);
+}
+
+union power_info {
+ struct _ATOM_POWERPLAY_INFO info;
+ struct _ATOM_POWERPLAY_INFO_V2 info_2;
+ struct _ATOM_POWERPLAY_INFO_V3 info_3;
+ struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
+ struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
+ struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
+};
+
+union pplib_clock_info {
+ struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
+ struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
+ struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
+ struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
+};
+
+union pplib_power_state {
+ struct _ATOM_PPLIB_STATE v1;
+ struct _ATOM_PPLIB_STATE_V2 v2;
+};
+
+static void rv7xx_parse_pplib_non_clock_info(struct radeon_device *rdev,
+ struct radeon_ps *rps,
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
+ u8 table_rev)
+{
+ rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+ rps->class = le16_to_cpu(non_clock_info->usClassification);
+ rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
+
+ if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
+ rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
+ rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
+ } else {
+ rps->vclk = 0;
+ rps->dclk = 0;
+ }
+
+ if (r600_is_uvd_state(rps->class, rps->class2)) {
+ if ((rps->vclk == 0) || (rps->dclk == 0)) {
+ rps->vclk = RV770_DEFAULT_VCLK_FREQ;
+ rps->dclk = RV770_DEFAULT_DCLK_FREQ;
+ }
+ }
+
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
+ rdev->pm.dpm.boot_ps = rps;
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
+ rdev->pm.dpm.uvd_ps = rps;
+}
+
+static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev,
+ struct radeon_ps *rps, int index,
+ union pplib_clock_info *clock_info)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ u32 sclk, mclk;
+ struct rv7xx_pl *pl;
+
+ switch (index) {
+ case 0:
+ pl = &ps->low;
+ break;
+ case 1:
+ pl = &ps->medium;
+ break;
+ case 2:
+ default:
+ pl = &ps->high;
+ break;
+ }
+
+ if (rdev->family >= CHIP_CEDAR) {
+ sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
+ sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
+ mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
+ mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
+
+ pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
+ pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
+ pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);
+ } else {
+ sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
+ sclk |= clock_info->r600.ucEngineClockHigh << 16;
+ mclk = le16_to_cpu(clock_info->r600.usMemoryClockLow);
+ mclk |= clock_info->r600.ucMemoryClockHigh << 16;
+
+ pl->vddc = le16_to_cpu(clock_info->r600.usVDDC);
+ pl->flags = le32_to_cpu(clock_info->r600.ulFlags);
+ }
+
+ pl->mclk = mclk;
+ pl->sclk = sclk;
+
+ /* patch up vddc if necessary */
+ if (pl->vddc == 0xff01) {
+ if (pi->max_vddc)
+ pl->vddc = pi->max_vddc;
+ }
+
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
+ pi->acpi_vddc = pl->vddc;
+ if (rdev->family >= CHIP_CEDAR)
+ eg_pi->acpi_vddci = pl->vddci;
+ if (ps->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
+ pi->acpi_pcie_gen2 = true;
+ else
+ pi->acpi_pcie_gen2 = false;
+ }
+
+ if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
+ if (rdev->family >= CHIP_BARTS) {
+ eg_pi->ulv.supported = true;
+ eg_pi->ulv.pl = pl;
+ }
+ }
+
+ if (pi->min_vddc_in_table > pl->vddc)
+ pi->min_vddc_in_table = pl->vddc;
+
+ if (pi->max_vddc_in_table < pl->vddc)
+ pi->max_vddc_in_table = pl->vddc;
+
+ /* patch up boot state */
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+ u16 vddc, vddci, mvdd;
+ radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
+ pl->mclk = rdev->clock.default_mclk;
+ pl->sclk = rdev->clock.default_sclk;
+ pl->vddc = vddc;
+ pl->vddci = vddci;
+ }
+
+ if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
+ ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
+ }
+}
+
+int rv7xx_parse_power_table(struct radeon_device *rdev)
+{
+ struct radeon_mode_info *mode_info = &rdev->mode_info;
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+ union pplib_power_state *power_state;
+ int i, j;
+ union pplib_clock_info *clock_info;
+ union power_info *power_info;
+ int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+ u16 data_offset;
+ u8 frev, crev;
+ struct rv7xx_ps *ps;
+
+ if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset))
+ return -EINVAL;
+ power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+ rdev->pm.dpm.ps = kcalloc(power_info->pplib.ucNumStates,
+ sizeof(struct radeon_ps),
+ GFP_KERNEL);
+ if (!rdev->pm.dpm.ps)
+ return -ENOMEM;
+
+ for (i = 0; i < power_info->pplib.ucNumStates; i++) {
+ power_state = (union pplib_power_state *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usStateArrayOffset) +
+ i * power_info->pplib.ucStateEntrySize);
+ non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
+ (power_state->v1.ucNonClockStateIndex *
+ power_info->pplib.ucNonClockSize));
+ if (power_info->pplib.ucStateEntrySize - 1) {
+ u8 *idx;
+ ps = kzalloc(sizeof(struct rv7xx_ps), GFP_KERNEL);
+ if (ps == NULL) {
+ kfree(rdev->pm.dpm.ps);
+ return -ENOMEM;
+ }
+ rdev->pm.dpm.ps[i].ps_priv = ps;
+ rv7xx_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
+ non_clock_info,
+ power_info->pplib.ucNonClockSize);
+ idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
+ for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
+ clock_info = (union pplib_clock_info *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
+ (idx[j] * power_info->pplib.ucClockInfoSize));
+ rv7xx_parse_pplib_clock_info(rdev,
+ &rdev->pm.dpm.ps[i], j,
+ clock_info);
+ }
+ }
+ }
+ rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
+ return 0;
+}
+
+void rv770_get_engine_memory_ss(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_atom_ss ss;
+
+ pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_ENGINE_SS, 0);
+ pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_MEMORY_SS, 0);
+
+ if (pi->sclk_ss || pi->mclk_ss)
+ pi->dynamic_ss = true;
+ else
+ pi->dynamic_ss = false;
+}
+
+int rv770_dpm_init(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi;
+ struct atom_clock_dividers dividers;
+ int ret;
+
+ pi = kzalloc(sizeof(struct rv7xx_power_info), GFP_KERNEL);
+ if (pi == NULL)
+ return -ENOMEM;
+ rdev->pm.dpm.priv = pi;
+
+ rv770_get_max_vddc(rdev);
+
+ pi->acpi_vddc = 0;
+ pi->min_vddc_in_table = 0;
+ pi->max_vddc_in_table = 0;
+
+ ret = r600_get_platform_caps(rdev);
+ if (ret)
+ return ret;
+
+ ret = rv7xx_parse_power_table(rdev);
+ if (ret)
+ return ret;
+
+ if (rdev->pm.dpm.voltage_response_time == 0)
+ rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
+ if (rdev->pm.dpm.backbias_response_time == 0)
+ rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
+
+ ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+ 0, false, &dividers);
+ if (ret)
+ pi->ref_div = dividers.ref_div + 1;
+ else
+ pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
+
+ pi->mclk_strobe_mode_threshold = 30000;
+ pi->mclk_edc_enable_threshold = 30000;
+
+ pi->rlp = RV770_RLP_DFLT;
+ pi->rmp = RV770_RMP_DFLT;
+ pi->lhp = RV770_LHP_DFLT;
+ pi->lmp = RV770_LMP_DFLT;
+
+ pi->voltage_control =
+ radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
+
+ pi->mvdd_control =
+ radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
+
+ rv770_get_engine_memory_ss(rdev);
+
+ pi->asi = RV770_ASI_DFLT;
+ pi->pasi = RV770_HASI_DFLT;
+ pi->vrc = RV770_VRC_DFLT;
+
+ pi->power_gating = false;
+
+ pi->gfx_clock_gating = true;
+
+ pi->mg_clock_gating = true;
+ pi->mgcgtssm = true;
+
+ pi->dynamic_pcie_gen2 = true;
+
+ if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
+ pi->thermal_protection = true;
+ else
+ pi->thermal_protection = false;
+
+ pi->display_gap = true;
+
+ if (rdev->flags & RADEON_IS_MOBILITY)
+ pi->dcodt = true;
+ else
+ pi->dcodt = false;
+
+ pi->ulps = true;
+
+ pi->mclk_stutter_mode_threshold = 0;
+
+ pi->sram_end = SMC_RAM_END;
+ pi->state_table_start = RV770_SMC_TABLE_ADDRESS;
+ pi->soft_regs_start = RV770_SMC_SOFT_REGISTERS_START;
+
+ return 0;
+}
+
+void rv770_dpm_print_power_state(struct radeon_device *rdev,
+ struct radeon_ps *rps)
+{
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_pl *pl;
+
+ r600_dpm_print_class_info(rps->class, rps->class2);
+ r600_dpm_print_cap_info(rps->caps);
+ printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+ if (rdev->family >= CHIP_CEDAR) {
+ pl = &ps->low;
+ printk("\t\tpower level 0 sclk: %u mclk: %u vddc: %u vddci: %u\n",
+ pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+ pl = &ps->medium;
+ printk("\t\tpower level 1 sclk: %u mclk: %u vddc: %u vddci: %u\n",
+ pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+ pl = &ps->high;
+ printk("\t\tpower level 2 sclk: %u mclk: %u vddc: %u vddci: %u\n",
+ pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+ } else {
+ pl = &ps->low;
+ printk("\t\tpower level 0 sclk: %u mclk: %u vddc: %u\n",
+ pl->sclk, pl->mclk, pl->vddc);
+ pl = &ps->medium;
+ printk("\t\tpower level 1 sclk: %u mclk: %u vddc: %u\n",
+ pl->sclk, pl->mclk, pl->vddc);
+ pl = &ps->high;
+ printk("\t\tpower level 2 sclk: %u mclk: %u vddc: %u\n",
+ pl->sclk, pl->mclk, pl->vddc);
+ }
+ r600_dpm_print_ps_status(rdev, rps);
+}
+
+void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+ CURRENT_PROFILE_INDEX_SHIFT;
+
+ if (current_index > 2) {
+ seq_printf(m, "invalid dpm profile %d\n", current_index);
+ } else {
+ if (current_index == 0)
+ pl = &ps->low;
+ else if (current_index == 1)
+ pl = &ps->medium;
+ else /* current_index == 2 */
+ pl = &ps->high;
+ seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+ if (rdev->family >= CHIP_CEDAR) {
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+ } else {
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc);
+ }
+ }
+}
+
+u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+ CURRENT_PROFILE_INDEX_SHIFT;
+
+ if (current_index > 2) {
+ return 0;
+ } else {
+ if (current_index == 0)
+ pl = &ps->low;
+ else if (current_index == 1)
+ pl = &ps->medium;
+ else /* current_index == 2 */
+ pl = &ps->high;
+ return pl->sclk;
+ }
+}
+
+u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+ CURRENT_PROFILE_INDEX_SHIFT;
+
+ if (current_index > 2) {
+ return 0;
+ } else {
+ if (current_index == 0)
+ pl = &ps->low;
+ else if (current_index == 1)
+ pl = &ps->medium;
+ else /* current_index == 2 */
+ pl = &ps->high;
+ return pl->mclk;
+ }
+}
+
+void rv770_dpm_fini(struct radeon_device *rdev)
+{
+ int i;
+
+ for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
+ kfree(rdev->pm.dpm.ps[i].ps_priv);
+ }
+ kfree(rdev->pm.dpm.ps);
+ kfree(rdev->pm.dpm.priv);
+}
+
+u32 rv770_dpm_get_sclk(struct radeon_device *rdev, bool low)
+{
+ struct rv7xx_ps *requested_state = rv770_get_ps(rdev->pm.dpm.requested_ps);
+
+ if (low)
+ return requested_state->low.sclk;
+ else
+ return requested_state->high.sclk;
+}
+
+u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low)
+{
+ struct rv7xx_ps *requested_state = rv770_get_ps(rdev->pm.dpm.requested_ps);
+
+ if (low)
+ return requested_state->low.mclk;
+ else
+ return requested_state->high.mclk;
+}
+
+bool rv770_dpm_vblank_too_short(struct radeon_device *rdev)
+{
+ u32 vblank_time = r600_dpm_get_vblank_time(rdev);
+ u32 switch_limit = 200; /* 300 */
+
+ /* RV770 */
+ /* mclk switching doesn't seem to work reliably on desktop RV770s */
+ if ((rdev->family == CHIP_RV770) &&
+ !(rdev->flags & RADEON_IS_MOBILITY))
+ switch_limit = 0xffffffff; /* disable mclk switching */
+
+ if (vblank_time < switch_limit)
+ return true;
+ else
+ return false;
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 15:48:30 +0000