diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/cypress_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/cypress_dpm.c | 2162 |
1 files changed, 2162 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c new file mode 100644 index 00000000000..47d31e91575 --- /dev/null +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -0,0 +1,2162 @@ +/* + * 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 "drmP.h" +#include "radeon.h" +#include "evergreend.h" +#include "r600_dpm.h" +#include "cypress_dpm.h" +#include "atom.h" + +#define SMC_RAM_END 0x8000 + +#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 MC_CG_SEQ_YCLK_SUSPEND 0x04 +#define MC_CG_SEQ_YCLK_RESUME 0x0a + +struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps); +struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev); +struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev); + +static void cypress_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev, + bool enable) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u32 tmp, bif; + + tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); + if (enable) { + if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) && + (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) { + if (!pi->boot_in_gen2) { + bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK; + bif |= CG_CLIENT_REQ(0xd); + WREG32(CG_BIF_REQ_AND_RSP, bif); + + tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK; + tmp |= LC_HW_VOLTAGE_IF_CONTROL(1); + tmp |= LC_GEN2_EN_STRAP; + + tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT; + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); + udelay(10); + tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); + } + } + } 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 cypress_enable_dynamic_pcie_gen2(struct radeon_device *rdev, + bool enable) +{ + cypress_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); +} + +#if 0 +static int cypress_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_ADDR_CONFIG); + } + + WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower), + ~HOST_SMC_MSG_MASK); + + udelay(7000); + + return 0; +} +#endif + +static void cypress_gfx_clock_gating_enable(struct radeon_device *rdev, + bool enable) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + + if (enable) { + if (eg_pi->light_sleep) { + WREG32(GRBM_GFX_INDEX, 0xC0000000); + + WREG32_CG(CG_CGLS_TILE_0, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_1, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_2, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_3, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_4, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_5, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_6, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_7, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_8, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_9, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_10, 0xFFFFFFFF); + WREG32_CG(CG_CGLS_TILE_11, 0xFFFFFFFF); + + WREG32_P(SCLK_PWRMGT_CNTL, DYN_LIGHT_SLEEP_EN, ~DYN_LIGHT_SLEEP_EN); + } + 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_ADDR_CONFIG); + + if (eg_pi->light_sleep) { + WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_LIGHT_SLEEP_EN); + + WREG32(GRBM_GFX_INDEX, 0xC0000000); + + WREG32_CG(CG_CGLS_TILE_0, 0); + WREG32_CG(CG_CGLS_TILE_1, 0); + WREG32_CG(CG_CGLS_TILE_2, 0); + WREG32_CG(CG_CGLS_TILE_3, 0); + WREG32_CG(CG_CGLS_TILE_4, 0); + WREG32_CG(CG_CGLS_TILE_5, 0); + WREG32_CG(CG_CGLS_TILE_6, 0); + WREG32_CG(CG_CGLS_TILE_7, 0); + WREG32_CG(CG_CGLS_TILE_8, 0); + WREG32_CG(CG_CGLS_TILE_9, 0); + WREG32_CG(CG_CGLS_TILE_10, 0); + WREG32_CG(CG_CGLS_TILE_11, 0); + } + } +} + +static void cypress_mg_clock_gating_enable(struct radeon_device *rdev, + bool enable) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + + if (enable) { + u32 cgts_sm_ctrl_reg; + + if (rdev->family == CHIP_CEDAR) + cgts_sm_ctrl_reg = CEDAR_MGCGCGTSSMCTRL_DFLT; + else if (rdev->family == CHIP_REDWOOD) + cgts_sm_ctrl_reg = REDWOOD_MGCGCGTSSMCTRL_DFLT; + else + cgts_sm_ctrl_reg = CYPRESS_MGCGCGTSSMCTRL_DFLT; + + WREG32(GRBM_GFX_INDEX, 0xC0000000); + + WREG32_CG(CG_CGTT_LOCAL_0, CYPRESS_MGCGTTLOCAL0_DFLT); + WREG32_CG(CG_CGTT_LOCAL_1, CYPRESS_MGCGTTLOCAL1_DFLT & 0xFFFFCFFF); + WREG32_CG(CG_CGTT_LOCAL_2, CYPRESS_MGCGTTLOCAL2_DFLT); + WREG32_CG(CG_CGTT_LOCAL_3, CYPRESS_MGCGTTLOCAL3_DFLT); + + if (pi->mgcgtssm) + WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); + + if (eg_pi->mcls) { + WREG32_P(MC_CITF_MISC_RD_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(MC_CITF_MISC_WR_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(MC_CITF_MISC_VM_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(MC_HUB_MISC_HUB_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(MC_HUB_MISC_VM_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(MC_HUB_MISC_SIP_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(MC_XPB_CLK_GAT, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + WREG32_P(VM_L2_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); + } + } else { + WREG32(GRBM_GFX_INDEX, 0xC0000000); + + WREG32_CG(CG_CGTT_LOCAL_0, 0xFFFFFFFF); + WREG32_CG(CG_CGTT_LOCAL_1, 0xFFFFFFFF); + WREG32_CG(CG_CGTT_LOCAL_2, 0xFFFFFFFF); + WREG32_CG(CG_CGTT_LOCAL_3, 0xFFFFFFFF); + + if (pi->mgcgtssm) + WREG32(CGTS_SM_CTRL_REG, 0x81f44bc0); + } +} + +void cypress_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) + WREG32_P(MPLL_CNTL_MODE, SS_SSEN, ~SS_SSEN); + } else { + WREG32_P(CG_SPLL_SPREAD_SPECTRUM, 0, ~SSEN); + WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN); + WREG32_P(MPLL_CNTL_MODE, 0, ~SS_SSEN); + WREG32_P(MPLL_CNTL_MODE, 0, ~SS_DSMODE_EN); + } +} + +void cypress_start_dpm(struct radeon_device *rdev) +{ + WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN); +} + +void cypress_enable_sclk_control(struct radeon_device *rdev, + bool enable) +{ + if (enable) + WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF); + else + WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF); +} + +void cypress_enable_mclk_control(struct radeon_device *rdev, + bool enable) +{ + if (enable) + WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF); + else + WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF); +} + +int cypress_notify_smc_display_change(struct radeon_device *rdev, + bool has_display) +{ + PPSMC_Msg msg = has_display ? + (PPSMC_Msg)PPSMC_MSG_HasDisplay : (PPSMC_Msg)PPSMC_MSG_NoDisplay; + + if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK) + return -EINVAL; + + return 0; +} + +void cypress_program_response_times(struct radeon_device *rdev) +{ + u32 reference_clock; + u32 mclk_switch_limit; + + reference_clock = radeon_get_xclk(rdev); + mclk_switch_limit = (460 * reference_clock) / 100; + + rv770_write_smc_soft_register(rdev, + RV770_SMC_SOFT_REGISTER_mclk_switch_lim, + mclk_switch_limit); + + rv770_write_smc_soft_register(rdev, + RV770_SMC_SOFT_REGISTER_mvdd_chg_time, 1); + + rv770_write_smc_soft_register(rdev, + RV770_SMC_SOFT_REGISTER_mc_block_delay, 0xAA); + + rv770_program_response_times(rdev); + + if (ASIC_IS_LOMBOK(rdev)) + rv770_write_smc_soft_register(rdev, + RV770_SMC_SOFT_REGISTER_is_asic_lombok, 1); + +} + +static int cypress_pcie_performance_request(struct radeon_device *rdev, + u8 perf_req, bool advertise) +{ +#if defined(CONFIG_ACPI) + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); +#endif + u32 tmp; + + udelay(10); + tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); + if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) && (tmp & LC_CURRENT_DATA_RATE)) + return 0; + +#if defined(CONFIG_ACPI) + if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) || + (perf_req == PCIE_PERF_REQ_PECI_GEN2)) { + eg_pi->pcie_performance_request_registered = true; + return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise); + } else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) && + eg_pi->pcie_performance_request_registered) { + eg_pi->pcie_performance_request_registered = false; + return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise); + } +#endif + + return 0; +} + +void cypress_advertise_gen2_capability(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u32 tmp; + +#if defined(CONFIG_ACPI) + radeon_acpi_pcie_notify_device_ready(rdev); +#endif + + 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) + cypress_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true); + +} + +static enum radeon_pcie_gen cypress_get_maximum_link_speed(struct radeon_ps *radeon_state) +{ + struct rv7xx_ps *state = rv770_get_ps(radeon_state); + + if (state->high.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) + return 1; + return 0; +} + +void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev, + struct radeon_ps *radeon_new_state, + struct radeon_ps *radeon_current_state) +{ + enum radeon_pcie_gen pcie_link_speed_target = + cypress_get_maximum_link_speed(radeon_new_state); + enum radeon_pcie_gen pcie_link_speed_current = + cypress_get_maximum_link_speed(radeon_current_state); + u8 request; + + if (pcie_link_speed_target < pcie_link_speed_current) { + if (pcie_link_speed_target == RADEON_PCIE_GEN1) + request = PCIE_PERF_REQ_PECI_GEN1; + else if (pcie_link_speed_target == RADEON_PCIE_GEN2) + request = PCIE_PERF_REQ_PECI_GEN2; + else + request = PCIE_PERF_REQ_PECI_GEN3; + + cypress_pcie_performance_request(rdev, request, false); + } +} + +void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev, + struct radeon_ps *radeon_new_state, + struct radeon_ps *radeon_current_state) +{ + enum radeon_pcie_gen pcie_link_speed_target = + cypress_get_maximum_link_speed(radeon_new_state); + enum radeon_pcie_gen pcie_link_speed_current = + cypress_get_maximum_link_speed(radeon_current_state); + u8 request; + + if (pcie_link_speed_target > pcie_link_speed_current) { + if (pcie_link_speed_target == RADEON_PCIE_GEN1) + request = PCIE_PERF_REQ_PECI_GEN1; + else if (pcie_link_speed_target == RADEON_PCIE_GEN2) + request = PCIE_PERF_REQ_PECI_GEN2; + else + request = PCIE_PERF_REQ_PECI_GEN3; + + cypress_pcie_performance_request(rdev, request, false); + } +} + +static int cypress_populate_voltage_value(struct radeon_device *rdev, + struct atom_voltage_table *table, + u16 value, RV770_SMC_VOLTAGE_VALUE *voltage) +{ + unsigned int i; + + for (i = 0; i < table->count; i++) { + if (value <= table->entries[i].value) { + voltage->index = (u8)i; + voltage->value = cpu_to_be16(table->entries[i].value); + break; + } + } + + if (i == table->count) + return -EINVAL; + + return 0; +} + +u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u8 result = 0; + bool strobe_mode = false; + + if (pi->mem_gddr5) { + if (mclk <= pi->mclk_strobe_mode_threshold) + strobe_mode = true; + result = cypress_get_mclk_frequency_ratio(rdev, mclk, strobe_mode); + + if (strobe_mode) + result |= SMC_STROBE_ENABLE; + } + + return result; +} + +u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf) +{ + u32 ref_clk = rdev->clock.mpll.reference_freq; + u32 vco = clkf * ref_clk; + + /* 100 Mhz ref clk */ + if (ref_clk == 10000) { + if (vco > 500000) + return 0xC6; + if (vco > 400000) + return 0x9D; + if (vco > 330000) + return 0x6C; + if (vco > 250000) + return 0x2B; + if (vco > 160000) + return 0x5B; + if (vco > 120000) + return 0x0A; + return 0x4B; + } + + /* 27 Mhz ref clk */ + if (vco > 250000) + return 0x8B; + if (vco > 200000) + return 0xCC; + if (vco > 150000) + return 0x9B; + return 0x6B; +} + +static int cypress_populate_mclk_value(struct radeon_device *rdev, + u32 engine_clock, u32 memory_clock, + RV7XX_SMC_MCLK_VALUE *mclk, + bool strobe_mode, bool dll_state_on) +{ + 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 mclk_pwrmgt_cntl = + pi->clk_regs.rv770.mclk_pwrmgt_cntl; + u32 dll_cntl = + pi->clk_regs.rv770.dll_cntl; + u32 mpll_ss1 = pi->clk_regs.rv770.mpll_ss1; + u32 mpll_ss2 = pi->clk_regs.rv770.mpll_ss2; + struct atom_clock_dividers dividers; + u32 ibias; + u32 dll_speed; + int ret; + u32 mc_seq_misc7; + + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM, + memory_clock, strobe_mode, ÷rs); + if (ret) + return ret; + + if (!strobe_mode) { + mc_seq_misc7 = RREG32(MC_SEQ_MISC7); + + if(mc_seq_misc7 & 0x8000000) + dividers.post_div = 1; + } + + ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div); + + mpll_ad_func_cntl &= ~(CLKR_MASK | + YCLK_POST_DIV_MASK | + CLKF_MASK | + CLKFRAC_MASK | + IBIAS_MASK); + mpll_ad_func_cntl |= CLKR(dividers.ref_div); + mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div); + mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div); + mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div); + 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) { + mpll_dq_func_cntl &= ~(CLKR_MASK | + YCLK_POST_DIV_MASK | + CLKF_MASK | + CLKFRAC_MASK | + IBIAS_MASK); + mpll_dq_func_cntl |= CLKR(dividers.ref_div); + mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div); + mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div); + mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div); + mpll_dq_func_cntl |= IBIAS(ibias); + + if (strobe_mode) + mpll_dq_func_cntl &= ~PDNB; + else + mpll_dq_func_cntl |= PDNB; + + if (dividers.vco_mode) + mpll_dq_func_cntl_2 |= VCO_MODE; + else + mpll_dq_func_cntl_2 &= ~VCO_MODE; + } + + if (pi->mclk_ss) { + struct radeon_atom_ss ss; + u32 vco_freq = memory_clock * dividers.post_div; + + if (radeon_atombios_get_asic_ss_info(rdev, &ss, + ASIC_INTERNAL_MEMORY_SS, vco_freq)) { + u32 reference_clock = rdev->clock.mpll.reference_freq; + u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); + u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); + u32 clk_v = ss.percentage * + (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625); + + mpll_ss1 &= ~CLKV_MASK; + mpll_ss1 |= CLKV(clk_v); + + mpll_ss2 &= ~CLKS_MASK; + mpll_ss2 |= CLKS(clk_s); + } + } + + dll_speed = rv740_get_dll_speed(pi->mem_gddr5, + memory_clock); + + mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK; + mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed); + if (dll_state_on) + mclk_pwrmgt_cntl |= (MRDCKA0_PDNB | + MRDCKA1_PDNB | + MRDCKB0_PDNB | + MRDCKB1_PDNB | + MRDCKC0_PDNB | + MRDCKC1_PDNB | + MRDCKD0_PDNB | + MRDCKD1_PDNB); + else + mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB | + MRDCKA1_PDNB | + MRDCKB0_PDNB | + MRDCKB1_PDNB | + MRDCKC0_PDNB | + MRDCKC1_PDNB | + MRDCKD0_PDNB | + MRDCKD1_PDNB); + + 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); + mclk->mclk770.vMPLL_SS = cpu_to_be32(mpll_ss1); + mclk->mclk770.vMPLL_SS2 = cpu_to_be32(mpll_ss2); + + return 0; +} + +u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev, + u32 memory_clock, bool strobe_mode) +{ + u8 mc_para_index; + + if (rdev->family >= CHIP_BARTS) { + if (strobe_mode) { + if (memory_clock < 10000) + mc_para_index = 0x00; + else if (memory_clock > 47500) + mc_para_index = 0x0f; + else + mc_para_index = (u8)((memory_clock - 10000) / 2500); + } else { + if (memory_clock < 65000) + mc_para_index = 0x00; + else if (memory_clock > 135000) + mc_para_index = 0x0f; + else + mc_para_index = (u8)((memory_clock - 60000) / 5000); + } + } else { + if (strobe_mode) { + if (memory_clock < 10000) + mc_para_index = 0x00; + else if (memory_clock > 47500) + mc_para_index = 0x0f; + else + mc_para_index = (u8)((memory_clock - 10000) / 2500); + } else { + if (memory_clock < 40000) + mc_para_index = 0x00; + else if (memory_clock > 115000) + mc_para_index = 0x0f; + else + mc_para_index = (u8)((memory_clock - 40000) / 5000); + } + } + return mc_para_index; +} + +static int cypress_populate_mvdd_value(struct radeon_device *rdev, + u32 mclk, + RV770_SMC_VOLTAGE_VALUE *voltage) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + + if (!pi->mvdd_control) { + voltage->index = eg_pi->mvdd_high_index; + voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); + return 0; + } + + if (mclk <= pi->mvdd_split_frequency) { + voltage->index = eg_pi->mvdd_low_index; + voltage->value = cpu_to_be16(MVDD_LOW_VALUE); + } else { + voltage->index = eg_pi->mvdd_high_index; + voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); + } + + return 0; +} + +int cypress_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); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + int ret; + bool dll_state_on; + + 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; + + ret = rv740_populate_sclk_value(rdev, pl->sclk, &level->sclk); + if (ret) + return ret; + + level->mcFlags = 0; + if (pi->mclk_stutter_mode_threshold && + (pl->mclk <= pi->mclk_stutter_mode_threshold) && + !eg_pi->uvd_enabled) { + level->mcFlags |= SMC_MC_STUTTER_EN; + if (eg_pi->sclk_deep_sleep) + level->stateFlags |= PPSMC_STATEFLAG_AUTO_PULSE_SKIP; + else + level->stateFlags &= ~PPSMC_STATEFLAG_AUTO_PULSE_SKIP; + } + + if (pi->mem_gddr5) { + if (pl->mclk > pi->mclk_edc_enable_threshold) + level->mcFlags |= SMC_MC_EDC_RD_FLAG; + + if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold) + level->mcFlags |= SMC_MC_EDC_WR_FLAG; + + level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk); + + if (level->strobeMode & SMC_STROBE_ENABLE) { + if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >= + ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf)) + dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false; + else + dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false; + } else + dll_state_on = eg_pi->dll_default_on; + + ret = cypress_populate_mclk_value(rdev, + pl->sclk, + pl->mclk, + &level->mclk, + (level->strobeMode & SMC_STROBE_ENABLE) != 0, + dll_state_on); + } else { + ret = cypress_populate_mclk_value(rdev, + pl->sclk, + pl->mclk, + &level->mclk, + true, + true); + } + if (ret) + return ret; + + ret = cypress_populate_voltage_value(rdev, + &eg_pi->vddc_voltage_table, + pl->vddc, + &level->vddc); + if (ret) + return ret; + + if (eg_pi->vddci_control) { + ret = cypress_populate_voltage_value(rdev, + &eg_pi->vddci_voltage_table, + pl->vddci, + &level->vddci); + if (ret) + return ret; + } + + ret = cypress_populate_mvdd_value(rdev, pl->mclk, &level->mvdd); + + return ret; +} + +static int cypress_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); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + int ret; + + if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC)) + smc_state->flags |= PPSMC_SWSTATE_FLAG_DC; + + ret = cypress_convert_power_level_to_smc(rdev, + &state->low, + &smc_state->levels[0], + PPSMC_DISPLAY_WATERMARK_LOW); + if (ret) + return ret; + + ret = cypress_convert_power_level_to_smc(rdev, + &state->medium, + &smc_state->levels[1], + PPSMC_DISPLAY_WATERMARK_LOW); + if (ret) + return ret; + + ret = cypress_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; + + if (eg_pi->dynamic_ac_timing) { + smc_state->levels[0].ACIndex = 2; + smc_state->levels[1].ACIndex = 3; + smc_state->levels[2].ACIndex = 4; + } else { + smc_state->levels[0].ACIndex = 0; + smc_state->levels[1].ACIndex = 0; + smc_state->levels[2].ACIndex = 0; + } + + rv770_populate_smc_sp(rdev, radeon_state, smc_state); + + return rv770_populate_smc_t(rdev, radeon_state, smc_state); +} + +static void cypress_convert_mc_registers(struct evergreen_mc_reg_entry *entry, + SMC_Evergreen_MCRegisterSet *data, + u32 num_entries, u32 valid_flag) +{ + u32 i, j; + + for (i = 0, j = 0; j < num_entries; j++) { + if (valid_flag & (1 << j)) { + data->value[i] = cpu_to_be32(entry->mc_data[j]); + i++; + } + } +} + +static void cypress_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev, + struct rv7xx_pl *pl, + SMC_Evergreen_MCRegisterSet *mc_reg_table_data) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 i = 0; + + for (i = 0; i < eg_pi->mc_reg_table.num_entries; i++) { + if (pl->mclk <= + eg_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max) + break; + } + + if ((i == eg_pi->mc_reg_table.num_entries) && (i > 0)) + --i; + + cypress_convert_mc_registers(&eg_pi->mc_reg_table.mc_reg_table_entry[i], + mc_reg_table_data, + eg_pi->mc_reg_table.last, + eg_pi->mc_reg_table.valid_flag); +} + +static void cypress_convert_mc_reg_table_to_smc(struct radeon_device *rdev, + struct radeon_ps *radeon_state, + SMC_Evergreen_MCRegisters *mc_reg_table) +{ + struct rv7xx_ps *state = rv770_get_ps(radeon_state); + + cypress_convert_mc_reg_table_entry_to_smc(rdev, + &state->low, + &mc_reg_table->data[2]); + cypress_convert_mc_reg_table_entry_to_smc(rdev, + &state->medium, + &mc_reg_table->data[3]); + cypress_convert_mc_reg_table_entry_to_smc(rdev, + &state->high, + &mc_reg_table->data[4]); +} + +int cypress_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 = cypress_convert_power_state_to_smc(rdev, radeon_new_state, &state); + if (ret) + return ret; + + return rv770_copy_bytes_to_smc(rdev, address, (u8 *)&state, + sizeof(RV770_SMC_SWSTATE), + pi->sram_end); +} + +int cypress_upload_mc_reg_table(struct radeon_device *rdev, + struct radeon_ps *radeon_new_state) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + SMC_Evergreen_MCRegisters mc_reg_table = { 0 }; + u16 address; + + cypress_convert_mc_reg_table_to_smc(rdev, radeon_new_state, &mc_reg_table); + + address = eg_pi->mc_reg_table_start + + (u16)offsetof(SMC_Evergreen_MCRegisters, data[2]); + + return rv770_copy_bytes_to_smc(rdev, address, + (u8 *)&mc_reg_table.data[2], + sizeof(SMC_Evergreen_MCRegisterSet) * 3, + pi->sram_end); +} + +u32 cypress_calculate_burst_time(struct radeon_device *rdev, + u32 engine_clock, u32 memory_clock) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u32 multiplier = pi->mem_gddr5 ? 1 : 2; + u32 result = (4 * multiplier * engine_clock) / (memory_clock / 2); + u32 burst_time; + + if (result <= 4) + burst_time = 0; + else if (result < 8) + burst_time = result - 4; + else { + burst_time = result / 2 ; + if (burst_time > 18) + burst_time = 18; + } + + return burst_time; +} + +void cypress_program_memory_timing_parameters(struct radeon_device *rdev, + struct radeon_ps *radeon_new_state) +{ + struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state); + u32 mc_arb_burst_time = RREG32(MC_ARB_BURST_TIME); + + mc_arb_burst_time &= ~(STATE1_MASK | STATE2_MASK | STATE3_MASK); + + mc_arb_burst_time |= STATE1(cypress_calculate_burst_time(rdev, + new_state->low.sclk, + new_state->low.mclk)); + mc_arb_burst_time |= STATE2(cypress_calculate_burst_time(rdev, + new_state->medium.sclk, + new_state->medium.mclk)); + mc_arb_burst_time |= STATE3(cypress_calculate_burst_time(rdev, + new_state->high.sclk, + new_state->high.mclk)); + + rv730_program_memory_timing_parameters(rdev, radeon_new_state); + + WREG32(MC_ARB_BURST_TIME, mc_arb_burst_time); +} + +static void cypress_populate_mc_reg_addresses(struct radeon_device *rdev, + SMC_Evergreen_MCRegisters *mc_reg_table) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 i, j; + + for (i = 0, j = 0; j < eg_pi->mc_reg_table.last; j++) { + if (eg_pi->mc_reg_table.valid_flag & (1 << j)) { + mc_reg_table->address[i].s0 = + cpu_to_be16(eg_pi->mc_reg_table.mc_reg_address[j].s0); + mc_reg_table->address[i].s1 = + cpu_to_be16(eg_pi->mc_reg_table.mc_reg_address[j].s1); + i++; + } + } + + mc_reg_table->last = (u8)i; +} + +static void cypress_set_mc_reg_address_table(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 i = 0; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RAS_TIMING_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RAS_TIMING >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_CAS_TIMING_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_CAS_TIMING >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC_TIMING_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC_TIMING >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC_TIMING2_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC_TIMING2 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RD_CTL_D0_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RD_CTL_D0 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RD_CTL_D1_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RD_CTL_D1 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_WR_CTL_D0_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_WR_CTL_D0 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_WR_CTL_D1_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_WR_CTL_D1 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_EMRS >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_MRS >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_MRS1 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC1 >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC1 >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RESERVE_M >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RESERVE_M >> 2; + i++; + + eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC3 >> 2; + eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC3 >> 2; + i++; + + eg_pi->mc_reg_table.last = (u8)i; +} + +static void cypress_retrieve_ac_timing_for_one_entry(struct radeon_device *rdev, + struct evergreen_mc_reg_entry *entry) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 i; + + for (i = 0; i < eg_pi->mc_reg_table.last; i++) + entry->mc_data[i] = + RREG32(eg_pi->mc_reg_table.mc_reg_address[i].s1 << 2); + +} + +static void cypress_retrieve_ac_timing_for_all_ranges(struct radeon_device *rdev, + struct atom_memory_clock_range_table *range_table) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 i, j; + + for (i = 0; i < range_table->num_entries; i++) { + eg_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max = + range_table->mclk[i]; + radeon_atom_set_ac_timing(rdev, range_table->mclk[i]); + cypress_retrieve_ac_timing_for_one_entry(rdev, + &eg_pi->mc_reg_table.mc_reg_table_entry[i]); + } + + eg_pi->mc_reg_table.num_entries = range_table->num_entries; + eg_pi->mc_reg_table.valid_flag = 0; + + for (i = 0; i < eg_pi->mc_reg_table.last; i++) { + for (j = 1; j < range_table->num_entries; j++) { + if (eg_pi->mc_reg_table.mc_reg_table_entry[j-1].mc_data[i] != + eg_pi->mc_reg_table.mc_reg_table_entry[j].mc_data[i]) { + eg_pi->mc_reg_table.valid_flag |= (1 << i); + break; + } + } + } +} + +static int cypress_initialize_mc_reg_table(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u8 module_index = rv770_get_memory_module_index(rdev); + struct atom_memory_clock_range_table range_table = { 0 }; + int ret; + + ret = radeon_atom_get_mclk_range_table(rdev, + pi->mem_gddr5, + module_index, &range_table); + if (ret) + return ret; + + cypress_retrieve_ac_timing_for_all_ranges(rdev, &range_table); + + return 0; +} + +static void cypress_wait_for_mc_sequencer(struct radeon_device *rdev, u8 value) +{ + u32 i, j; + u32 channels = 2; + + if ((rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK)) + channels = 4; + else if (rdev->family == CHIP_CEDAR) + channels = 1; + + for (i = 0; i < channels; i++) { + if ((rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK)) { + WREG32_P(MC_CONFIG_MCD, MC_RD_ENABLE_MCD(i), ~MC_RD_ENABLE_MCD_MASK); + WREG32_P(MC_CG_CONFIG_MCD, MC_RD_ENABLE_MCD(i), ~MC_RD_ENABLE_MCD_MASK); + } else { + WREG32_P(MC_CONFIG, MC_RD_ENABLE(i), ~MC_RD_ENABLE_MASK); + WREG32_P(MC_CG_CONFIG, MC_RD_ENABLE(i), ~MC_RD_ENABLE_MASK); + } + for (j = 0; j < rdev->usec_timeout; j++) { + if (((RREG32(MC_SEQ_CG) & CG_SEQ_RESP_MASK) >> CG_SEQ_RESP_SHIFT) == value) + break; + udelay(1); + } + } +} + +static void cypress_force_mc_use_s1(struct radeon_device *rdev, + struct radeon_ps *radeon_boot_state) +{ + struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); + u32 strobe_mode; + u32 mc_seq_cg; + int i; + + if (RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE) + return; + + radeon_atom_set_ac_timing(rdev, boot_state->low.mclk); + radeon_mc_wait_for_idle(rdev); + + if ((rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK)) { + WREG32(MC_CONFIG_MCD, 0xf); + WREG32(MC_CG_CONFIG_MCD, 0xf); + } else { + WREG32(MC_CONFIG, 0xf); + WREG32(MC_CG_CONFIG, 0xf); + } + + for (i = 0; i < rdev->num_crtc; i++) + radeon_wait_for_vblank(rdev, i); + + WREG32(MC_SEQ_CG, MC_CG_SEQ_YCLK_SUSPEND); + cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_SUSPEND); + + strobe_mode = cypress_get_strobe_mode_settings(rdev, + boot_state->low.mclk); + + mc_seq_cg = CG_SEQ_REQ(MC_CG_SEQ_DRAMCONF_S1); + mc_seq_cg |= SEQ_CG_RESP(strobe_mode); + WREG32(MC_SEQ_CG, mc_seq_cg); + + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE) + break; + udelay(1); + } + + mc_seq_cg &= ~CG_SEQ_REQ_MASK; + mc_seq_cg |= CG_SEQ_REQ(MC_CG_SEQ_YCLK_RESUME); + WREG32(MC_SEQ_CG, mc_seq_cg); + + cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_RESUME); +} + +static void cypress_copy_ac_timing_from_s1_to_s0(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 value; + u32 i; + + for (i = 0; i < eg_pi->mc_reg_table.last; i++) { + value = RREG32(eg_pi->mc_reg_table.mc_reg_address[i].s1 << 2); + WREG32(eg_pi->mc_reg_table.mc_reg_address[i].s0 << 2, value); + } +} + +static void cypress_force_mc_use_s0(struct radeon_device *rdev, + struct radeon_ps *radeon_boot_state) +{ + struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); + u32 strobe_mode; + u32 mc_seq_cg; + int i; + + cypress_copy_ac_timing_from_s1_to_s0(rdev); + radeon_mc_wait_for_idle(rdev); + + if ((rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK)) { + WREG32(MC_CONFIG_MCD, 0xf); + WREG32(MC_CG_CONFIG_MCD, 0xf); + } else { + WREG32(MC_CONFIG, 0xf); + WREG32(MC_CG_CONFIG, 0xf); + } + + for (i = 0; i < rdev->num_crtc; i++) + radeon_wait_for_vblank(rdev, i); + + WREG32(MC_SEQ_CG, MC_CG_SEQ_YCLK_SUSPEND); + cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_SUSPEND); + + strobe_mode = cypress_get_strobe_mode_settings(rdev, + boot_state->low.mclk); + + mc_seq_cg = CG_SEQ_REQ(MC_CG_SEQ_DRAMCONF_S0); + mc_seq_cg |= SEQ_CG_RESP(strobe_mode); + WREG32(MC_SEQ_CG, mc_seq_cg); + + for (i = 0; i < rdev->usec_timeout; i++) { + if (!(RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE)) + break; + udelay(1); + } + + mc_seq_cg &= ~CG_SEQ_REQ_MASK; + mc_seq_cg |= CG_SEQ_REQ(MC_CG_SEQ_YCLK_RESUME); + WREG32(MC_SEQ_CG, mc_seq_cg); + + cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_RESUME); +} + +static int cypress_populate_initial_mvdd_value(struct radeon_device *rdev, + RV770_SMC_VOLTAGE_VALUE *voltage) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + + voltage->index = eg_pi->mvdd_high_index; + voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); + + return 0; +} + +int cypress_populate_smc_initial_state(struct radeon_device *rdev, + struct radeon_ps *radeon_initial_state, + RV770_SMC_STATETABLE *table) +{ + struct rv7xx_ps *initial_state = rv770_get_ps(radeon_initial_state); + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_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].ACIndex = 0; + + cypress_populate_voltage_value(rdev, + &eg_pi->vddc_voltage_table, + initial_state->low.vddc, + &table->initialState.levels[0].vddc); + + if (eg_pi->vddci_control) + cypress_populate_voltage_value(rdev, + &eg_pi->vddci_voltage_table, + initial_state->low.vddci, + &table->initialState.levels[0].vddci); + + cypress_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 (pi->mem_gddr5) { + table->initialState.levels[0].strobeMode = + cypress_get_strobe_mode_settings(rdev, + initial_state->low.mclk); + + 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; +} + +int cypress_populate_smc_acpi_state(struct radeon_device *rdev, + RV770_SMC_STATETABLE *table) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_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 = + pi->clk_regs.rv770.mclk_pwrmgt_cntl; + u32 dll_cntl = + pi->clk_regs.rv770.dll_cntl; + + table->ACPIState = table->initialState; + + table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC; + + if (pi->acpi_vddc) { + cypress_populate_voltage_value(rdev, + &eg_pi->vddc_voltage_table, + 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 { + cypress_populate_voltage_value(rdev, + &eg_pi->vddc_voltage_table, + pi->min_vddc_in_table, + &table->ACPIState.levels[0].vddc); + table->ACPIState.levels[0].gen2PCIE = 0; + } + + if (eg_pi->acpi_vddci) { + if (eg_pi->vddci_control) { + cypress_populate_voltage_value(rdev, + &eg_pi->vddci_voltage_table, + eg_pi->acpi_vddci, + &table->ACPIState.levels[0].vddci); + } + } + + mpll_ad_func_cntl &= ~PDNB; + + mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN; + + if (pi->mem_gddr5) + mpll_dq_func_cntl &= ~PDNB; + mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS; + + mclk_pwrmgt_cntl |= (MRDCKA0_RESET | + MRDCKA1_RESET | + MRDCKB0_RESET | + MRDCKB1_RESET | + MRDCKC0_RESET | + MRDCKC1_RESET | + MRDCKD0_RESET | + MRDCKD1_RESET); + + mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB | + MRDCKA1_PDNB | + MRDCKB0_PDNB | + MRDCKB1_PDNB | + MRDCKC0_PDNB | + MRDCKC1_PDNB | + MRDCKD0_PDNB | + MRDCKD1_PDNB); + + dll_cntl |= (MRDCKA0_BYPASS | + MRDCKA1_BYPASS | + MRDCKB0_BYPASS | + MRDCKB1_BYPASS | + MRDCKC0_BYPASS | + MRDCKC1_BYPASS | + MRDCKD0_BYPASS | + MRDCKD1_BYPASS); + + /* evergreen only */ + if (rdev->family <= CHIP_HEMLOCK) + 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; + + cypress_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd); + + if (eg_pi->dynamic_ac_timing) + table->ACPIState.levels[0].ACIndex = 1; + + table->ACPIState.levels[1] = table->ACPIState.levels[0]; + table->ACPIState.levels[2] = table->ACPIState.levels[0]; + + return 0; +} + +static void cypress_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev, + struct atom_voltage_table *voltage_table) +{ + unsigned int i, diff; + + if (voltage_table->count <= MAX_NO_VREG_STEPS) + return; + + diff = voltage_table->count - MAX_NO_VREG_STEPS; + + for (i= 0; i < MAX_NO_VREG_STEPS; i++) + voltage_table->entries[i] = voltage_table->entries[i + diff]; + + voltage_table->count = MAX_NO_VREG_STEPS; +} + +int cypress_construct_voltage_tables(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + int ret; + + ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0, + &eg_pi->vddc_voltage_table); + if (ret) + return ret; + + if (eg_pi->vddc_voltage_table.count > MAX_NO_VREG_STEPS) + cypress_trim_voltage_table_to_fit_state_table(rdev, + &eg_pi->vddc_voltage_table); + + if (eg_pi->vddci_control) { + ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0, + &eg_pi->vddci_voltage_table); + if (ret) + return ret; + + if (eg_pi->vddci_voltage_table.count > MAX_NO_VREG_STEPS) + cypress_trim_voltage_table_to_fit_state_table(rdev, + &eg_pi->vddci_voltage_table); + } + + return 0; +} + +static void cypress_populate_smc_voltage_table(struct radeon_device *rdev, + struct atom_voltage_table *voltage_table, + RV770_SMC_STATETABLE *table) +{ + unsigned int i; + + for (i = 0; i < voltage_table->count; i++) { + table->highSMIO[i] = 0; + table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low); + } +} + +int cypress_populate_smc_voltage_tables(struct radeon_device *rdev, + RV770_SMC_STATETABLE *table) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + unsigned char i; + + if (eg_pi->vddc_voltage_table.count) { + cypress_populate_smc_voltage_table(rdev, + &eg_pi->vddc_voltage_table, + table); + + table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDC] = 0; + table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDC] = + cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + + for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) { + if (pi->max_vddc_in_table <= + eg_pi->vddc_voltage_table.entries[i].value) { + table->maxVDDCIndexInPPTable = i; + break; + } + } + } + + if (eg_pi->vddci_voltage_table.count) { + cypress_populate_smc_voltage_table(rdev, + &eg_pi->vddci_voltage_table, + table); + + table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0; + table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] = + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); + } + + return 0; +} + +static u32 cypress_get_mclk_split_point(struct atom_memory_info *memory_info) +{ + if ((memory_info->mem_type == MEM_TYPE_GDDR3) || + (memory_info->mem_type == MEM_TYPE_DDR3)) + return 30000; + + return 0; +} + +int cypress_get_mvdd_configuration(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u8 module_index; + struct atom_memory_info memory_info; + u32 tmp = RREG32(GENERAL_PWRMGT); + + if (!(tmp & BACKBIAS_PAD_EN)) { + eg_pi->mvdd_high_index = 0; + eg_pi->mvdd_low_index = 1; + pi->mvdd_control = false; + return 0; + } + + if (tmp & BACKBIAS_VALUE) + eg_pi->mvdd_high_index = 1; + else + eg_pi->mvdd_high_index = 0; + + eg_pi->mvdd_low_index = + (eg_pi->mvdd_high_index == 0) ? 1 : 0; + + module_index = rv770_get_memory_module_index(rdev); + + if (radeon_atom_get_memory_info(rdev, module_index, &memory_info)) { + pi->mvdd_control = false; + return 0; + } + + pi->mvdd_split_frequency = + cypress_get_mclk_split_point(&memory_info); + + if (pi->mvdd_split_frequency == 0) { + pi->mvdd_control = false; + return 0; + } + + return 0; +} + +static int cypress_init_smc_table(struct radeon_device *rdev, + struct radeon_ps *radeon_boot_state) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + RV770_SMC_STATETABLE *table = &pi->smc_statetable; + int ret; + + memset(table, 0, sizeof(RV770_SMC_STATETABLE)); + + cypress_populate_smc_voltage_tables(rdev, table); + + switch (rdev->pm.int_thermal_type) { + case THERMAL_TYPE_EVERGREEN: + case THERMAL_TYPE_EMC2103_WITH_INTERNAL: + table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL; + break; + case THERMAL_TYPE_NONE: + table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE; + break; + 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_REGULATOR_HOT) + table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT; + + 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; + + ret = cypress_populate_smc_initial_state(rdev, radeon_boot_state, table); + if (ret) + return ret; + + ret = cypress_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, + (u8 *)table, sizeof(RV770_SMC_STATETABLE), + pi->sram_end); +} + +int cypress_populate_mc_reg_table(struct radeon_device *rdev, + struct radeon_ps *radeon_boot_state) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); + SMC_Evergreen_MCRegisters mc_reg_table = { 0 }; + + rv770_write_smc_soft_register(rdev, + RV770_SMC_SOFT_REGISTER_seq_index, 1); + + cypress_populate_mc_reg_addresses(rdev, &mc_reg_table); + + cypress_convert_mc_reg_table_entry_to_smc(rdev, + &boot_state->low, + &mc_reg_table.data[0]); + + cypress_convert_mc_registers(&eg_pi->mc_reg_table.mc_reg_table_entry[0], + &mc_reg_table.data[1], eg_pi->mc_reg_table.last, + eg_pi->mc_reg_table.valid_flag); + + cypress_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, &mc_reg_table); + + return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start, + (u8 *)&mc_reg_table, sizeof(SMC_Evergreen_MCRegisters), + pi->sram_end); +} + +int cypress_get_table_locations(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + u32 tmp; + int ret; + + ret = rv770_read_smc_sram_dword(rdev, + EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + + EVERGREEN_SMC_FIRMWARE_HEADER_stateTable, + &tmp, pi->sram_end); + if (ret) + return ret; + + pi->state_table_start = (u16)tmp; + + ret = rv770_read_smc_sram_dword(rdev, + EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + + EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters, + &tmp, pi->sram_end); + if (ret) + return ret; + + pi->soft_regs_start = (u16)tmp; + + ret = rv770_read_smc_sram_dword(rdev, + EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + + EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable, + &tmp, pi->sram_end); + if (ret) + return ret; + + eg_pi->mc_reg_table_start = (u16)tmp; + + return 0; +} + +void cypress_enable_display_gap(struct radeon_device *rdev) +{ + u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL); + + tmp &= ~(DISP1_GAP_MASK | DISP2_GAP_MASK); + tmp |= (DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE) | + DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE)); + + tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK); + tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK) | + DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE)); + WREG32(CG_DISPLAY_GAP_CNTL, tmp); +} + +static void cypress_program_display_gap(struct radeon_device *rdev) +{ + u32 tmp, pipe; + int i; + + tmp = RREG32(CG_DISPLAY_GAP_CNTL) & ~(DISP1_GAP_MASK | DISP2_GAP_MASK); + if (rdev->pm.dpm.new_active_crtc_count > 0) + tmp |= DISP1_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); + else + tmp |= DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE); + + if (rdev->pm.dpm.new_active_crtc_count > 1) + tmp |= DISP2_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); + else + tmp |= DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE); + + WREG32(CG_DISPLAY_GAP_CNTL, tmp); + + tmp = RREG32(DCCG_DISP_SLOW_SELECT_REG); + pipe = (tmp & DCCG_DISP1_SLOW_SELECT_MASK) >> DCCG_DISP1_SLOW_SELECT_SHIFT; + + if ((rdev->pm.dpm.new_active_crtc_count > 0) && + (!(rdev->pm.dpm.new_active_crtcs & (1 << pipe)))) { + /* find the first active crtc */ + for (i = 0; i < rdev->num_crtc; i++) { + if (rdev->pm.dpm.new_active_crtcs & (1 << i)) + break; + } + if (i == rdev->num_crtc) + pipe = 0; + else + pipe = i; + + tmp &= ~DCCG_DISP1_SLOW_SELECT_MASK; + tmp |= DCCG_DISP1_SLOW_SELECT(pipe); + WREG32(DCCG_DISP_SLOW_SELECT_REG, tmp); + } + + cypress_notify_smc_display_change(rdev, rdev->pm.dpm.new_active_crtc_count > 0); +} + +void cypress_dpm_setup_asic(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + + rv740_read_clock_registers(rdev); + rv770_read_voltage_smio_registers(rdev); + rv770_get_max_vddc(rdev); + rv770_get_memory_type(rdev); + + if (eg_pi->pcie_performance_request) + eg_pi->pcie_performance_request_registered = false; + + if (eg_pi->pcie_performance_request) + cypress_advertise_gen2_capability(rdev); + + rv770_get_pcie_gen2_status(rdev); + + rv770_enable_acpi_pm(rdev); +} + +int cypress_dpm_enable(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_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 = cypress_construct_voltage_tables(rdev); + if (ret) { + DRM_ERROR("cypress_construct_voltage_tables failed\n"); + return ret; + } + } + + if (pi->mvdd_control) { + ret = cypress_get_mvdd_configuration(rdev); + if (ret) { + DRM_ERROR("cypress_get_mvdd_configuration failed\n"); + return ret; + } + } + + if (eg_pi->dynamic_ac_timing) { + cypress_set_mc_reg_address_table(rdev); + cypress_force_mc_use_s0(rdev, boot_ps); + ret = cypress_initialize_mc_reg_table(rdev); + if (ret) + eg_pi->dynamic_ac_timing = false; + cypress_force_mc_use_s1(rdev, boot_ps); + } + + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS) + rv770_enable_backbias(rdev, true); + + if (pi->dynamic_ss) + cypress_enable_spread_spectrum(rdev, true); + + if (pi->thermal_protection) + rv770_enable_thermal_protection(rdev, true); + + 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); + cypress_enable_display_gap(rdev); + rv770_program_vc(rdev); + + if (pi->dynamic_pcie_gen2) + cypress_enable_dynamic_pcie_gen2(rdev, true); + + ret = rv770_upload_firmware(rdev); + if (ret) { + DRM_ERROR("rv770_upload_firmware failed\n"); + return ret; + } + + ret = cypress_get_table_locations(rdev); + if (ret) { + DRM_ERROR("cypress_get_table_locations failed\n"); + return ret; + } + ret = cypress_init_smc_table(rdev, boot_ps); + if (ret) { + DRM_ERROR("cypress_init_smc_table failed\n"); + return ret; + } + if (eg_pi->dynamic_ac_timing) { + ret = cypress_populate_mc_reg_table(rdev, boot_ps); + if (ret) { + DRM_ERROR("cypress_populate_mc_reg_table failed\n"); + return ret; + } + } + + cypress_program_response_times(rdev); + + r7xx_start_smc(rdev); + + ret = cypress_notify_smc_display_change(rdev, false); + if (ret) { + DRM_ERROR("cypress_notify_smc_display_change failed\n"); + return ret; + } + cypress_enable_sclk_control(rdev, true); + + if (eg_pi->memory_transition) + cypress_enable_mclk_control(rdev, true); + + cypress_start_dpm(rdev); + + if (pi->gfx_clock_gating) + cypress_gfx_clock_gating_enable(rdev, true); + + if (pi->mg_clock_gating) + cypress_mg_clock_gating_enable(rdev, true); + + rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); + + return 0; +} + +void cypress_dpm_disable(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; + + if (!rv770_dpm_enabled(rdev)) + return; + + rv770_clear_vc(rdev); + + if (pi->thermal_protection) + rv770_enable_thermal_protection(rdev, false); + + if (pi->dynamic_pcie_gen2) + cypress_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) + cypress_gfx_clock_gating_enable(rdev, false); + + if (pi->mg_clock_gating) + cypress_mg_clock_gating_enable(rdev, false); + + rv770_stop_dpm(rdev); + r7xx_stop_smc(rdev); + + cypress_enable_spread_spectrum(rdev, false); + + if (eg_pi->dynamic_ac_timing) + cypress_force_mc_use_s1(rdev, boot_ps); + + rv770_reset_smio_status(rdev); +} + +int cypress_dpm_set_power_state(struct radeon_device *rdev) +{ + struct evergreen_power_info *eg_pi = evergreen_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; + } + if (eg_pi->pcie_performance_request) + cypress_notify_link_speed_change_before_state_change(rdev, new_ps, old_ps); + + 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 = cypress_upload_sw_state(rdev, new_ps); + if (ret) { + DRM_ERROR("cypress_upload_sw_state failed\n"); + return ret; + } + if (eg_pi->dynamic_ac_timing) { + ret = cypress_upload_mc_reg_table(rdev, new_ps); + if (ret) { + DRM_ERROR("cypress_upload_mc_reg_table failed\n"); + return ret; + } + } + + cypress_program_memory_timing_parameters(rdev, new_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; + } + rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); + + if (eg_pi->pcie_performance_request) + cypress_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps); + + return 0; +} + +void cypress_dpm_reset_asic(struct radeon_device *rdev) +{ + rv770_restrict_performance_levels_before_switch(rdev); + rv770_set_boot_state(rdev); +} + +void cypress_dpm_display_configuration_changed(struct radeon_device *rdev) +{ + cypress_program_display_gap(rdev); +} + +int cypress_dpm_init(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi; + struct evergreen_power_info *eg_pi; + struct atom_clock_dividers dividers; + int ret; + + eg_pi = kzalloc(sizeof(struct evergreen_power_info), GFP_KERNEL); + if (eg_pi == NULL) + return -ENOMEM; + rdev->pm.dpm.priv = eg_pi; + pi = &eg_pi->rv7xx; + + rv770_get_max_vddc(rdev); + + eg_pi->ulv.supported = false; + pi->acpi_vddc = 0; + eg_pi->acpi_vddci = 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, ÷rs); + if (ret) + pi->ref_div = dividers.ref_div + 1; + else + pi->ref_div = R600_REFERENCEDIVIDER_DFLT; + + pi->mclk_strobe_mode_threshold = 40000; + pi->mclk_edc_enable_threshold = 40000; + eg_pi->mclk_edc_wr_enable_threshold = 40000; + + 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); + + eg_pi->vddci_control = + radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); + + rv770_get_engine_memory_ss(rdev); + + pi->asi = RV770_ASI_DFLT; + pi->pasi = CYPRESS_HASI_DFLT; + pi->vrc = CYPRESS_VRC_DFLT; + + pi->power_gating = false; + + if ((rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK)) + pi->gfx_clock_gating = false; + else + pi->gfx_clock_gating = true; + + pi->mg_clock_gating = true; + pi->mgcgtssm = true; + eg_pi->ls_clock_gating = false; + eg_pi->sclk_deep_sleep = false; + + 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; + + eg_pi->dynamic_ac_timing = true; + eg_pi->abm = true; + eg_pi->mcls = true; + eg_pi->light_sleep = true; + eg_pi->memory_transition = true; +#if defined(CONFIG_ACPI) + eg_pi->pcie_performance_request = + radeon_acpi_is_pcie_performance_request_supported(rdev); +#else + eg_pi->pcie_performance_request = false; +#endif + + if ((rdev->family == CHIP_CYPRESS) || + (rdev->family == CHIP_HEMLOCK) || + (rdev->family == CHIP_JUNIPER)) + eg_pi->dll_default_on = true; + else + eg_pi->dll_default_on = false; + + eg_pi->sclk_deep_sleep = false; + pi->mclk_stutter_mode_threshold = 0; + + pi->sram_end = SMC_RAM_END; + + return 0; +} + +void cypress_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); +} + +bool cypress_dpm_vblank_too_short(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + u32 vblank_time = r600_dpm_get_vblank_time(rdev); + /* we never hit the non-gddr5 limit so disable it */ + u32 switch_limit = pi->mem_gddr5 ? 450 : 0; + + if (vblank_time < switch_limit) + return true; + else + return false; + +} |