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linux-zen-desktop/drivers/gpu/drm/radeon/cypress_dpm.c

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Initial commit
2023-08-30 17:31:07 +02:00
/*
* 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 <linux/pci.h>
#include "atom.h"
#include "cypress_dpm.h"
#include "evergreen.h"
#include "evergreend.h"
#include "r600_dpm.h"
#include "rv770.h"
#include "radeon.h"
#include "radeon_asic.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
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, &dividers);
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);
6.5.5
2023-10-24 12:59:35 +02:00
u32 clk_s, clk_v;
if (!decoded_ref)
return -EINVAL;
clk_s = reference_clock * 5 / (decoded_ref * ss.rate);
clk_v = ss.percentage *
Initial commit
2023-08-30 17:31:07 +02:00
(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;
}
#if 0
void cypress_dpm_reset_asic(struct radeon_device *rdev)
{
rv770_restrict_performance_levels_before_switch(rdev);
rv770_set_boot_state(rdev);
}
#endif
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, &dividers);
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;
}