mirror of
https://github.com/torvalds/linux.git
synced 2024-11-07 20:51:47 +00:00
80c083c5e4
Set the default to 600Mhz if it's not set in the bios,
and bump the default to 600Mhz if it's lower than that.
Port of radeon commit:
9368931db8
v2: clean up the code a bit
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=91896
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1603 lines
48 KiB
C
1603 lines
48 KiB
C
/*
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* Copyright 2007-8 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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*/
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#include <drm/drmP.h>
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#include <drm/amdgpu_drm.h>
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#include "amdgpu.h"
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#include "amdgpu_atombios.h"
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#include "amdgpu_i2c.h"
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#include "atom.h"
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#include "atom-bits.h"
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#include "atombios_encoders.h"
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#include "bif/bif_4_1_d.h"
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static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev,
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ATOM_GPIO_I2C_ASSIGMENT *gpio,
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u8 index)
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{
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}
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static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
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{
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struct amdgpu_i2c_bus_rec i2c;
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memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
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i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex);
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i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex);
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i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex);
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i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex);
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i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex);
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i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex);
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i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex);
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i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex);
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i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
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i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
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i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
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i2c.en_data_mask = (1 << gpio->ucDataEnShift);
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i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
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i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
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i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
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i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
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if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
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i2c.hw_capable = true;
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else
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i2c.hw_capable = false;
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if (gpio->sucI2cId.ucAccess == 0xa0)
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i2c.mm_i2c = true;
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else
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i2c.mm_i2c = false;
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i2c.i2c_id = gpio->sucI2cId.ucAccess;
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if (i2c.mask_clk_reg)
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i2c.valid = true;
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else
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i2c.valid = false;
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return i2c;
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}
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struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev,
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uint8_t id)
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{
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struct atom_context *ctx = adev->mode_info.atom_context;
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ATOM_GPIO_I2C_ASSIGMENT *gpio;
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struct amdgpu_i2c_bus_rec i2c;
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int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
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struct _ATOM_GPIO_I2C_INFO *i2c_info;
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uint16_t data_offset, size;
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int i, num_indices;
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memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
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i2c.valid = false;
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if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
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i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
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num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
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sizeof(ATOM_GPIO_I2C_ASSIGMENT);
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gpio = &i2c_info->asGPIO_Info[0];
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for (i = 0; i < num_indices; i++) {
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amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
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if (gpio->sucI2cId.ucAccess == id) {
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i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
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break;
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}
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gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
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((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
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}
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}
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return i2c;
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}
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void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
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{
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struct atom_context *ctx = adev->mode_info.atom_context;
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ATOM_GPIO_I2C_ASSIGMENT *gpio;
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struct amdgpu_i2c_bus_rec i2c;
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int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
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struct _ATOM_GPIO_I2C_INFO *i2c_info;
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uint16_t data_offset, size;
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int i, num_indices;
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char stmp[32];
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if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
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i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
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num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
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sizeof(ATOM_GPIO_I2C_ASSIGMENT);
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gpio = &i2c_info->asGPIO_Info[0];
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for (i = 0; i < num_indices; i++) {
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amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
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i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
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if (i2c.valid) {
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sprintf(stmp, "0x%x", i2c.i2c_id);
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adev->i2c_bus[i] = amdgpu_i2c_create(adev->ddev, &i2c, stmp);
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}
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gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
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((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
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}
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}
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}
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struct amdgpu_gpio_rec
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amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
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u8 id)
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{
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struct atom_context *ctx = adev->mode_info.atom_context;
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struct amdgpu_gpio_rec gpio;
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int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
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struct _ATOM_GPIO_PIN_LUT *gpio_info;
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ATOM_GPIO_PIN_ASSIGNMENT *pin;
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u16 data_offset, size;
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int i, num_indices;
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memset(&gpio, 0, sizeof(struct amdgpu_gpio_rec));
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gpio.valid = false;
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if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
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gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
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num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
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sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
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pin = gpio_info->asGPIO_Pin;
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for (i = 0; i < num_indices; i++) {
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if (id == pin->ucGPIO_ID) {
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gpio.id = pin->ucGPIO_ID;
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gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex);
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gpio.shift = pin->ucGpioPinBitShift;
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gpio.mask = (1 << pin->ucGpioPinBitShift);
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gpio.valid = true;
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break;
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}
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pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
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((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
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}
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}
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return gpio;
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}
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static struct amdgpu_hpd
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amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev,
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struct amdgpu_gpio_rec *gpio)
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{
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struct amdgpu_hpd hpd;
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u32 reg;
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memset(&hpd, 0, sizeof(struct amdgpu_hpd));
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reg = amdgpu_display_hpd_get_gpio_reg(adev);
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hpd.gpio = *gpio;
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if (gpio->reg == reg) {
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switch(gpio->mask) {
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case (1 << 0):
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hpd.hpd = AMDGPU_HPD_1;
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break;
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case (1 << 8):
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hpd.hpd = AMDGPU_HPD_2;
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break;
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case (1 << 16):
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hpd.hpd = AMDGPU_HPD_3;
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break;
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case (1 << 24):
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hpd.hpd = AMDGPU_HPD_4;
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break;
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case (1 << 26):
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hpd.hpd = AMDGPU_HPD_5;
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break;
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case (1 << 28):
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hpd.hpd = AMDGPU_HPD_6;
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break;
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default:
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hpd.hpd = AMDGPU_HPD_NONE;
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break;
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}
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} else
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hpd.hpd = AMDGPU_HPD_NONE;
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return hpd;
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}
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static bool amdgpu_atombios_apply_quirks(struct amdgpu_device *adev,
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uint32_t supported_device,
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int *connector_type,
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struct amdgpu_i2c_bus_rec *i2c_bus,
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uint16_t *line_mux,
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struct amdgpu_hpd *hpd)
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{
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return true;
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}
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static const int object_connector_convert[] = {
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_DVII,
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DRM_MODE_CONNECTOR_DVII,
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DRM_MODE_CONNECTOR_DVID,
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DRM_MODE_CONNECTOR_DVID,
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DRM_MODE_CONNECTOR_VGA,
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DRM_MODE_CONNECTOR_Composite,
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DRM_MODE_CONNECTOR_SVIDEO,
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_9PinDIN,
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_HDMIA,
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DRM_MODE_CONNECTOR_HDMIB,
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DRM_MODE_CONNECTOR_LVDS,
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DRM_MODE_CONNECTOR_9PinDIN,
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_Unknown,
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DRM_MODE_CONNECTOR_DisplayPort,
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DRM_MODE_CONNECTOR_eDP,
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DRM_MODE_CONNECTOR_Unknown
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};
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bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev)
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{
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struct amdgpu_mode_info *mode_info = &adev->mode_info;
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struct atom_context *ctx = mode_info->atom_context;
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int index = GetIndexIntoMasterTable(DATA, Object_Header);
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u16 size, data_offset;
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u8 frev, crev;
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ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
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ATOM_ENCODER_OBJECT_TABLE *enc_obj;
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ATOM_OBJECT_TABLE *router_obj;
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ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
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ATOM_OBJECT_HEADER *obj_header;
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int i, j, k, path_size, device_support;
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int connector_type;
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u16 conn_id, connector_object_id;
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struct amdgpu_i2c_bus_rec ddc_bus;
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struct amdgpu_router router;
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struct amdgpu_gpio_rec gpio;
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struct amdgpu_hpd hpd;
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if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
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return false;
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if (crev < 2)
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return false;
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obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
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path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
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(ctx->bios + data_offset +
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le16_to_cpu(obj_header->usDisplayPathTableOffset));
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con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
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(ctx->bios + data_offset +
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le16_to_cpu(obj_header->usConnectorObjectTableOffset));
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enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
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(ctx->bios + data_offset +
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le16_to_cpu(obj_header->usEncoderObjectTableOffset));
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router_obj = (ATOM_OBJECT_TABLE *)
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(ctx->bios + data_offset +
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le16_to_cpu(obj_header->usRouterObjectTableOffset));
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device_support = le16_to_cpu(obj_header->usDeviceSupport);
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path_size = 0;
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for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
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uint8_t *addr = (uint8_t *) path_obj->asDispPath;
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ATOM_DISPLAY_OBJECT_PATH *path;
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addr += path_size;
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path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
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path_size += le16_to_cpu(path->usSize);
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if (device_support & le16_to_cpu(path->usDeviceTag)) {
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uint8_t con_obj_id, con_obj_num, con_obj_type;
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con_obj_id =
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(le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
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>> OBJECT_ID_SHIFT;
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con_obj_num =
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(le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
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>> ENUM_ID_SHIFT;
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con_obj_type =
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(le16_to_cpu(path->usConnObjectId) &
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OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
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connector_type =
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object_connector_convert[con_obj_id];
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connector_object_id = con_obj_id;
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if (connector_type == DRM_MODE_CONNECTOR_Unknown)
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continue;
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router.ddc_valid = false;
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router.cd_valid = false;
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for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
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uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
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grph_obj_id =
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(le16_to_cpu(path->usGraphicObjIds[j]) &
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OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
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grph_obj_num =
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(le16_to_cpu(path->usGraphicObjIds[j]) &
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ENUM_ID_MASK) >> ENUM_ID_SHIFT;
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grph_obj_type =
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(le16_to_cpu(path->usGraphicObjIds[j]) &
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OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
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if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
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for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
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u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
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if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
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ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
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(ctx->bios + data_offset +
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le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
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ATOM_ENCODER_CAP_RECORD *cap_record;
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u16 caps = 0;
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while (record->ucRecordSize > 0 &&
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record->ucRecordType > 0 &&
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record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
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switch (record->ucRecordType) {
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case ATOM_ENCODER_CAP_RECORD_TYPE:
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cap_record =(ATOM_ENCODER_CAP_RECORD *)
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record;
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caps = le16_to_cpu(cap_record->usEncoderCap);
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break;
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}
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record = (ATOM_COMMON_RECORD_HEADER *)
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((char *)record + record->ucRecordSize);
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}
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amdgpu_display_add_encoder(adev, encoder_obj,
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le16_to_cpu(path->usDeviceTag),
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caps);
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}
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}
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} else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
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for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
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u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
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if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
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ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
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(ctx->bios + data_offset +
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le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
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ATOM_I2C_RECORD *i2c_record;
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ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
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ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
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ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
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ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
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(ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
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(ctx->bios + data_offset +
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le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
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u8 *num_dst_objs = (u8 *)
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((u8 *)router_src_dst_table + 1 +
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(router_src_dst_table->ucNumberOfSrc * 2));
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u16 *dst_objs = (u16 *)(num_dst_objs + 1);
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int enum_id;
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router.router_id = router_obj_id;
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for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
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if (le16_to_cpu(path->usConnObjectId) ==
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le16_to_cpu(dst_objs[enum_id]))
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break;
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}
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while (record->ucRecordSize > 0 &&
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record->ucRecordType > 0 &&
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record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
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switch (record->ucRecordType) {
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case ATOM_I2C_RECORD_TYPE:
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i2c_record =
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(ATOM_I2C_RECORD *)
|
|
record;
|
|
i2c_config =
|
|
(ATOM_I2C_ID_CONFIG_ACCESS *)
|
|
&i2c_record->sucI2cId;
|
|
router.i2c_info =
|
|
amdgpu_atombios_lookup_i2c_gpio(adev,
|
|
i2c_config->
|
|
ucAccess);
|
|
router.i2c_addr = i2c_record->ucI2CAddr >> 1;
|
|
break;
|
|
case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
|
|
ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
|
|
record;
|
|
router.ddc_valid = true;
|
|
router.ddc_mux_type = ddc_path->ucMuxType;
|
|
router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
|
|
router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
|
|
break;
|
|
case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
|
|
cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
|
|
record;
|
|
router.cd_valid = true;
|
|
router.cd_mux_type = cd_path->ucMuxType;
|
|
router.cd_mux_control_pin = cd_path->ucMuxControlPin;
|
|
router.cd_mux_state = cd_path->ucMuxState[enum_id];
|
|
break;
|
|
}
|
|
record = (ATOM_COMMON_RECORD_HEADER *)
|
|
((char *)record + record->ucRecordSize);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* look up gpio for ddc, hpd */
|
|
ddc_bus.valid = false;
|
|
hpd.hpd = AMDGPU_HPD_NONE;
|
|
if ((le16_to_cpu(path->usDeviceTag) &
|
|
(ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
|
|
for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
|
|
if (le16_to_cpu(path->usConnObjectId) ==
|
|
le16_to_cpu(con_obj->asObjects[j].
|
|
usObjectID)) {
|
|
ATOM_COMMON_RECORD_HEADER
|
|
*record =
|
|
(ATOM_COMMON_RECORD_HEADER
|
|
*)
|
|
(ctx->bios + data_offset +
|
|
le16_to_cpu(con_obj->
|
|
asObjects[j].
|
|
usRecordOffset));
|
|
ATOM_I2C_RECORD *i2c_record;
|
|
ATOM_HPD_INT_RECORD *hpd_record;
|
|
ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
|
|
|
|
while (record->ucRecordSize > 0 &&
|
|
record->ucRecordType > 0 &&
|
|
record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
|
|
switch (record->ucRecordType) {
|
|
case ATOM_I2C_RECORD_TYPE:
|
|
i2c_record =
|
|
(ATOM_I2C_RECORD *)
|
|
record;
|
|
i2c_config =
|
|
(ATOM_I2C_ID_CONFIG_ACCESS *)
|
|
&i2c_record->sucI2cId;
|
|
ddc_bus = amdgpu_atombios_lookup_i2c_gpio(adev,
|
|
i2c_config->
|
|
ucAccess);
|
|
break;
|
|
case ATOM_HPD_INT_RECORD_TYPE:
|
|
hpd_record =
|
|
(ATOM_HPD_INT_RECORD *)
|
|
record;
|
|
gpio = amdgpu_atombios_lookup_gpio(adev,
|
|
hpd_record->ucHPDIntGPIOID);
|
|
hpd = amdgpu_atombios_get_hpd_info_from_gpio(adev, &gpio);
|
|
hpd.plugged_state = hpd_record->ucPlugged_PinState;
|
|
break;
|
|
}
|
|
record =
|
|
(ATOM_COMMON_RECORD_HEADER
|
|
*) ((char *)record
|
|
+
|
|
record->
|
|
ucRecordSize);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* needed for aux chan transactions */
|
|
ddc_bus.hpd = hpd.hpd;
|
|
|
|
conn_id = le16_to_cpu(path->usConnObjectId);
|
|
|
|
if (!amdgpu_atombios_apply_quirks
|
|
(adev, le16_to_cpu(path->usDeviceTag), &connector_type,
|
|
&ddc_bus, &conn_id, &hpd))
|
|
continue;
|
|
|
|
amdgpu_display_add_connector(adev,
|
|
conn_id,
|
|
le16_to_cpu(path->usDeviceTag),
|
|
connector_type, &ddc_bus,
|
|
connector_object_id,
|
|
&hpd,
|
|
&router);
|
|
|
|
}
|
|
}
|
|
|
|
amdgpu_link_encoder_connector(adev->ddev);
|
|
|
|
return true;
|
|
}
|
|
|
|
union firmware_info {
|
|
ATOM_FIRMWARE_INFO info;
|
|
ATOM_FIRMWARE_INFO_V1_2 info_12;
|
|
ATOM_FIRMWARE_INFO_V1_3 info_13;
|
|
ATOM_FIRMWARE_INFO_V1_4 info_14;
|
|
ATOM_FIRMWARE_INFO_V2_1 info_21;
|
|
ATOM_FIRMWARE_INFO_V2_2 info_22;
|
|
};
|
|
|
|
int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
|
|
{
|
|
struct amdgpu_mode_info *mode_info = &adev->mode_info;
|
|
int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
|
|
uint8_t frev, crev;
|
|
uint16_t data_offset;
|
|
int ret = -EINVAL;
|
|
|
|
if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
|
|
&frev, &crev, &data_offset)) {
|
|
int i;
|
|
struct amdgpu_pll *ppll = &adev->clock.ppll[0];
|
|
struct amdgpu_pll *spll = &adev->clock.spll;
|
|
struct amdgpu_pll *mpll = &adev->clock.mpll;
|
|
union firmware_info *firmware_info =
|
|
(union firmware_info *)(mode_info->atom_context->bios +
|
|
data_offset);
|
|
/* pixel clocks */
|
|
ppll->reference_freq =
|
|
le16_to_cpu(firmware_info->info.usReferenceClock);
|
|
ppll->reference_div = 0;
|
|
|
|
if (crev < 2)
|
|
ppll->pll_out_min =
|
|
le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
|
|
else
|
|
ppll->pll_out_min =
|
|
le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
|
|
ppll->pll_out_max =
|
|
le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
|
|
|
|
if (crev >= 4) {
|
|
ppll->lcd_pll_out_min =
|
|
le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
|
|
if (ppll->lcd_pll_out_min == 0)
|
|
ppll->lcd_pll_out_min = ppll->pll_out_min;
|
|
ppll->lcd_pll_out_max =
|
|
le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
|
|
if (ppll->lcd_pll_out_max == 0)
|
|
ppll->lcd_pll_out_max = ppll->pll_out_max;
|
|
} else {
|
|
ppll->lcd_pll_out_min = ppll->pll_out_min;
|
|
ppll->lcd_pll_out_max = ppll->pll_out_max;
|
|
}
|
|
|
|
if (ppll->pll_out_min == 0)
|
|
ppll->pll_out_min = 64800;
|
|
|
|
ppll->pll_in_min =
|
|
le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
|
|
ppll->pll_in_max =
|
|
le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
|
|
|
|
ppll->min_post_div = 2;
|
|
ppll->max_post_div = 0x7f;
|
|
ppll->min_frac_feedback_div = 0;
|
|
ppll->max_frac_feedback_div = 9;
|
|
ppll->min_ref_div = 2;
|
|
ppll->max_ref_div = 0x3ff;
|
|
ppll->min_feedback_div = 4;
|
|
ppll->max_feedback_div = 0xfff;
|
|
ppll->best_vco = 0;
|
|
|
|
for (i = 1; i < AMDGPU_MAX_PPLL; i++)
|
|
adev->clock.ppll[i] = *ppll;
|
|
|
|
/* system clock */
|
|
spll->reference_freq =
|
|
le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
|
|
spll->reference_div = 0;
|
|
|
|
spll->pll_out_min =
|
|
le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
|
|
spll->pll_out_max =
|
|
le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
|
|
|
|
/* ??? */
|
|
if (spll->pll_out_min == 0)
|
|
spll->pll_out_min = 64800;
|
|
|
|
spll->pll_in_min =
|
|
le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
|
|
spll->pll_in_max =
|
|
le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
|
|
|
|
spll->min_post_div = 1;
|
|
spll->max_post_div = 1;
|
|
spll->min_ref_div = 2;
|
|
spll->max_ref_div = 0xff;
|
|
spll->min_feedback_div = 4;
|
|
spll->max_feedback_div = 0xff;
|
|
spll->best_vco = 0;
|
|
|
|
/* memory clock */
|
|
mpll->reference_freq =
|
|
le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
|
|
mpll->reference_div = 0;
|
|
|
|
mpll->pll_out_min =
|
|
le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
|
|
mpll->pll_out_max =
|
|
le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
|
|
|
|
/* ??? */
|
|
if (mpll->pll_out_min == 0)
|
|
mpll->pll_out_min = 64800;
|
|
|
|
mpll->pll_in_min =
|
|
le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
|
|
mpll->pll_in_max =
|
|
le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
|
|
|
|
adev->clock.default_sclk =
|
|
le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
|
|
adev->clock.default_mclk =
|
|
le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
|
|
|
|
mpll->min_post_div = 1;
|
|
mpll->max_post_div = 1;
|
|
mpll->min_ref_div = 2;
|
|
mpll->max_ref_div = 0xff;
|
|
mpll->min_feedback_div = 4;
|
|
mpll->max_feedback_div = 0xff;
|
|
mpll->best_vco = 0;
|
|
|
|
/* disp clock */
|
|
adev->clock.default_dispclk =
|
|
le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
|
|
/* set a reasonable default for DP */
|
|
if (adev->clock.default_dispclk < 53900) {
|
|
DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
|
|
adev->clock.default_dispclk / 100);
|
|
adev->clock.default_dispclk = 60000;
|
|
}
|
|
adev->clock.dp_extclk =
|
|
le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
|
|
adev->clock.current_dispclk = adev->clock.default_dispclk;
|
|
|
|
adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
|
|
if (adev->clock.max_pixel_clock == 0)
|
|
adev->clock.max_pixel_clock = 40000;
|
|
|
|
/* not technically a clock, but... */
|
|
adev->mode_info.firmware_flags =
|
|
le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
|
|
|
|
ret = 0;
|
|
}
|
|
|
|
adev->pm.current_sclk = adev->clock.default_sclk;
|
|
adev->pm.current_mclk = adev->clock.default_mclk;
|
|
|
|
return ret;
|
|
}
|
|
|
|
union igp_info {
|
|
struct _ATOM_INTEGRATED_SYSTEM_INFO info;
|
|
struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
|
|
struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
|
|
struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
|
|
struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
|
|
struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9;
|
|
};
|
|
|
|
static void amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device *adev,
|
|
struct amdgpu_atom_ss *ss,
|
|
int id)
|
|
{
|
|
struct amdgpu_mode_info *mode_info = &adev->mode_info;
|
|
int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
|
|
u16 data_offset, size;
|
|
union igp_info *igp_info;
|
|
u8 frev, crev;
|
|
u16 percentage = 0, rate = 0;
|
|
|
|
/* get any igp specific overrides */
|
|
if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
|
|
&frev, &crev, &data_offset)) {
|
|
igp_info = (union igp_info *)
|
|
(mode_info->atom_context->bios + data_offset);
|
|
switch (crev) {
|
|
case 6:
|
|
switch (id) {
|
|
case ASIC_INTERNAL_SS_ON_TMDS:
|
|
percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_HDMI:
|
|
percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_LVDS:
|
|
percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
|
|
break;
|
|
}
|
|
break;
|
|
case 7:
|
|
switch (id) {
|
|
case ASIC_INTERNAL_SS_ON_TMDS:
|
|
percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_HDMI:
|
|
percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_LVDS:
|
|
percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
|
|
break;
|
|
}
|
|
break;
|
|
case 8:
|
|
switch (id) {
|
|
case ASIC_INTERNAL_SS_ON_TMDS:
|
|
percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_HDMI:
|
|
percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_LVDS:
|
|
percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
|
|
break;
|
|
}
|
|
break;
|
|
case 9:
|
|
switch (id) {
|
|
case ASIC_INTERNAL_SS_ON_TMDS:
|
|
percentage = le16_to_cpu(igp_info->info_9.usDVISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_9.usDVISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_HDMI:
|
|
percentage = le16_to_cpu(igp_info->info_9.usHDMISSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_9.usHDMISSpreadRateIn10Hz);
|
|
break;
|
|
case ASIC_INTERNAL_SS_ON_LVDS:
|
|
percentage = le16_to_cpu(igp_info->info_9.usLvdsSSPercentage);
|
|
rate = le16_to_cpu(igp_info->info_9.usLvdsSSpreadRateIn10Hz);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
|
|
break;
|
|
}
|
|
if (percentage)
|
|
ss->percentage = percentage;
|
|
if (rate)
|
|
ss->rate = rate;
|
|
}
|
|
}
|
|
|
|
union asic_ss_info {
|
|
struct _ATOM_ASIC_INTERNAL_SS_INFO info;
|
|
struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
|
|
struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
|
|
};
|
|
|
|
union asic_ss_assignment {
|
|
struct _ATOM_ASIC_SS_ASSIGNMENT v1;
|
|
struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
|
|
struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
|
|
};
|
|
|
|
bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev,
|
|
struct amdgpu_atom_ss *ss,
|
|
int id, u32 clock)
|
|
{
|
|
struct amdgpu_mode_info *mode_info = &adev->mode_info;
|
|
int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
|
|
uint16_t data_offset, size;
|
|
union asic_ss_info *ss_info;
|
|
union asic_ss_assignment *ss_assign;
|
|
uint8_t frev, crev;
|
|
int i, num_indices;
|
|
|
|
if (id == ASIC_INTERNAL_MEMORY_SS) {
|
|
if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
|
|
return false;
|
|
}
|
|
if (id == ASIC_INTERNAL_ENGINE_SS) {
|
|
if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
|
|
return false;
|
|
}
|
|
|
|
memset(ss, 0, sizeof(struct amdgpu_atom_ss));
|
|
if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
|
|
&frev, &crev, &data_offset)) {
|
|
|
|
ss_info =
|
|
(union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
|
|
|
|
switch (frev) {
|
|
case 1:
|
|
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
|
|
sizeof(ATOM_ASIC_SS_ASSIGNMENT);
|
|
|
|
ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
|
|
for (i = 0; i < num_indices; i++) {
|
|
if ((ss_assign->v1.ucClockIndication == id) &&
|
|
(clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
|
|
ss->percentage =
|
|
le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
|
|
ss->type = ss_assign->v1.ucSpreadSpectrumMode;
|
|
ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
|
|
ss->percentage_divider = 100;
|
|
return true;
|
|
}
|
|
ss_assign = (union asic_ss_assignment *)
|
|
((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
|
|
}
|
|
break;
|
|
case 2:
|
|
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
|
|
sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
|
|
ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
|
|
for (i = 0; i < num_indices; i++) {
|
|
if ((ss_assign->v2.ucClockIndication == id) &&
|
|
(clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
|
|
ss->percentage =
|
|
le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
|
|
ss->type = ss_assign->v2.ucSpreadSpectrumMode;
|
|
ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
|
|
ss->percentage_divider = 100;
|
|
if ((crev == 2) &&
|
|
((id == ASIC_INTERNAL_ENGINE_SS) ||
|
|
(id == ASIC_INTERNAL_MEMORY_SS)))
|
|
ss->rate /= 100;
|
|
return true;
|
|
}
|
|
ss_assign = (union asic_ss_assignment *)
|
|
((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
|
|
}
|
|
break;
|
|
case 3:
|
|
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
|
|
sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
|
|
ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
|
|
for (i = 0; i < num_indices; i++) {
|
|
if ((ss_assign->v3.ucClockIndication == id) &&
|
|
(clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
|
|
ss->percentage =
|
|
le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
|
|
ss->type = ss_assign->v3.ucSpreadSpectrumMode;
|
|
ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
|
|
if (ss_assign->v3.ucSpreadSpectrumMode &
|
|
SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
|
|
ss->percentage_divider = 1000;
|
|
else
|
|
ss->percentage_divider = 100;
|
|
if ((id == ASIC_INTERNAL_ENGINE_SS) ||
|
|
(id == ASIC_INTERNAL_MEMORY_SS))
|
|
ss->rate /= 100;
|
|
if (adev->flags & AMD_IS_APU)
|
|
amdgpu_atombios_get_igp_ss_overrides(adev, ss, id);
|
|
return true;
|
|
}
|
|
ss_assign = (union asic_ss_assignment *)
|
|
((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
|
|
break;
|
|
}
|
|
|
|
}
|
|
return false;
|
|
}
|
|
|
|
union get_clock_dividers {
|
|
struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
|
|
struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
|
|
struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
|
|
struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
|
|
struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
|
|
struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
|
|
struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
|
|
};
|
|
|
|
int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
|
|
u8 clock_type,
|
|
u32 clock,
|
|
bool strobe_mode,
|
|
struct atom_clock_dividers *dividers)
|
|
{
|
|
union get_clock_dividers args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
|
|
u8 frev, crev;
|
|
|
|
memset(&args, 0, sizeof(args));
|
|
memset(dividers, 0, sizeof(struct atom_clock_dividers));
|
|
|
|
if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
|
|
return -EINVAL;
|
|
|
|
switch (crev) {
|
|
case 4:
|
|
/* fusion */
|
|
args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
|
|
dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
|
|
dividers->real_clock = le32_to_cpu(args.v4.ulClock);
|
|
break;
|
|
case 6:
|
|
/* CI */
|
|
/* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
|
|
args.v6_in.ulClock.ulComputeClockFlag = clock_type;
|
|
args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
|
|
dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
|
|
dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
|
|
dividers->ref_div = args.v6_out.ucPllRefDiv;
|
|
dividers->post_div = args.v6_out.ucPllPostDiv;
|
|
dividers->flags = args.v6_out.ucPllCntlFlag;
|
|
dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
|
|
dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
|
|
u32 clock,
|
|
bool strobe_mode,
|
|
struct atom_mpll_param *mpll_param)
|
|
{
|
|
COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
|
|
u8 frev, crev;
|
|
|
|
memset(&args, 0, sizeof(args));
|
|
memset(mpll_param, 0, sizeof(struct atom_mpll_param));
|
|
|
|
if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
|
|
return -EINVAL;
|
|
|
|
switch (frev) {
|
|
case 2:
|
|
switch (crev) {
|
|
case 1:
|
|
/* SI */
|
|
args.ulClock = cpu_to_le32(clock); /* 10 khz */
|
|
args.ucInputFlag = 0;
|
|
if (strobe_mode)
|
|
args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
|
|
mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
|
|
mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
|
|
mpll_param->post_div = args.ucPostDiv;
|
|
mpll_param->dll_speed = args.ucDllSpeed;
|
|
mpll_param->bwcntl = args.ucBWCntl;
|
|
mpll_param->vco_mode =
|
|
(args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
|
|
mpll_param->yclk_sel =
|
|
(args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
|
|
mpll_param->qdr =
|
|
(args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
|
|
mpll_param->half_rate =
|
|
(args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint32_t amdgpu_atombios_get_engine_clock(struct amdgpu_device *adev)
|
|
{
|
|
GET_ENGINE_CLOCK_PS_ALLOCATION args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
return le32_to_cpu(args.ulReturnEngineClock);
|
|
}
|
|
|
|
uint32_t amdgpu_atombios_get_memory_clock(struct amdgpu_device *adev)
|
|
{
|
|
GET_MEMORY_CLOCK_PS_ALLOCATION args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
return le32_to_cpu(args.ulReturnMemoryClock);
|
|
}
|
|
|
|
void amdgpu_atombios_set_engine_clock(struct amdgpu_device *adev,
|
|
uint32_t eng_clock)
|
|
{
|
|
SET_ENGINE_CLOCK_PS_ALLOCATION args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
|
|
|
|
args.ulTargetEngineClock = cpu_to_le32(eng_clock); /* 10 khz */
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
}
|
|
|
|
void amdgpu_atombios_set_memory_clock(struct amdgpu_device *adev,
|
|
uint32_t mem_clock)
|
|
{
|
|
SET_MEMORY_CLOCK_PS_ALLOCATION args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, SetMemoryClock);
|
|
|
|
if (adev->flags & AMD_IS_APU)
|
|
return;
|
|
|
|
args.ulTargetMemoryClock = cpu_to_le32(mem_clock); /* 10 khz */
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
}
|
|
|
|
void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
|
|
u32 eng_clock, u32 mem_clock)
|
|
{
|
|
SET_ENGINE_CLOCK_PS_ALLOCATION args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
|
|
u32 tmp;
|
|
|
|
memset(&args, 0, sizeof(args));
|
|
|
|
tmp = eng_clock & SET_CLOCK_FREQ_MASK;
|
|
tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
|
|
|
|
args.ulTargetEngineClock = cpu_to_le32(tmp);
|
|
if (mem_clock)
|
|
args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
}
|
|
|
|
union set_voltage {
|
|
struct _SET_VOLTAGE_PS_ALLOCATION alloc;
|
|
struct _SET_VOLTAGE_PARAMETERS v1;
|
|
struct _SET_VOLTAGE_PARAMETERS_V2 v2;
|
|
struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
|
|
};
|
|
|
|
void amdgpu_atombios_set_voltage(struct amdgpu_device *adev,
|
|
u16 voltage_level,
|
|
u8 voltage_type)
|
|
{
|
|
union set_voltage args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
|
|
u8 frev, crev, volt_index = voltage_level;
|
|
|
|
if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
|
|
return;
|
|
|
|
/* 0xff01 is a flag rather then an actual voltage */
|
|
if (voltage_level == 0xff01)
|
|
return;
|
|
|
|
switch (crev) {
|
|
case 1:
|
|
args.v1.ucVoltageType = voltage_type;
|
|
args.v1.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_ALL_SOURCE;
|
|
args.v1.ucVoltageIndex = volt_index;
|
|
break;
|
|
case 2:
|
|
args.v2.ucVoltageType = voltage_type;
|
|
args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
|
|
args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
|
|
break;
|
|
case 3:
|
|
args.v3.ucVoltageType = voltage_type;
|
|
args.v3.ucVoltageMode = ATOM_SET_VOLTAGE;
|
|
args.v3.usVoltageLevel = cpu_to_le16(voltage_level);
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
|
|
return;
|
|
}
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
}
|
|
|
|
int amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device *adev,
|
|
u16 *leakage_id)
|
|
{
|
|
union set_voltage args;
|
|
int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
|
|
u8 frev, crev;
|
|
|
|
if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
|
|
return -EINVAL;
|
|
|
|
switch (crev) {
|
|
case 3:
|
|
case 4:
|
|
args.v3.ucVoltageType = 0;
|
|
args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
|
|
args.v3.usVoltageLevel = 0;
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
|
|
*leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
|
|
u16 *vddc, u16 *vddci,
|
|
u16 virtual_voltage_id,
|
|
u16 vbios_voltage_id)
|
|
{
|
|
int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
|
|
u8 frev, crev;
|
|
u16 data_offset, size;
|
|
int i, j;
|
|
ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
|
|
u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
|
|
|
|
*vddc = 0;
|
|
*vddci = 0;
|
|
|
|
if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
|
|
&frev, &crev, &data_offset))
|
|
return -EINVAL;
|
|
|
|
profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
|
|
(adev->mode_info.atom_context->bios + data_offset);
|
|
|
|
switch (frev) {
|
|
case 1:
|
|
return -EINVAL;
|
|
case 2:
|
|
switch (crev) {
|
|
case 1:
|
|
if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
|
|
return -EINVAL;
|
|
leakage_bin = (u16 *)
|
|
(adev->mode_info.atom_context->bios + data_offset +
|
|
le16_to_cpu(profile->usLeakageBinArrayOffset));
|
|
vddc_id_buf = (u16 *)
|
|
(adev->mode_info.atom_context->bios + data_offset +
|
|
le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
|
|
vddc_buf = (u16 *)
|
|
(adev->mode_info.atom_context->bios + data_offset +
|
|
le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
|
|
vddci_id_buf = (u16 *)
|
|
(adev->mode_info.atom_context->bios + data_offset +
|
|
le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
|
|
vddci_buf = (u16 *)
|
|
(adev->mode_info.atom_context->bios + data_offset +
|
|
le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
|
|
|
|
if (profile->ucElbVDDC_Num > 0) {
|
|
for (i = 0; i < profile->ucElbVDDC_Num; i++) {
|
|
if (vddc_id_buf[i] == virtual_voltage_id) {
|
|
for (j = 0; j < profile->ucLeakageBinNum; j++) {
|
|
if (vbios_voltage_id <= leakage_bin[j]) {
|
|
*vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (profile->ucElbVDDCI_Num > 0) {
|
|
for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
|
|
if (vddci_id_buf[i] == virtual_voltage_id) {
|
|
for (j = 0; j < profile->ucLeakageBinNum; j++) {
|
|
if (vbios_voltage_id <= leakage_bin[j]) {
|
|
*vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
union get_voltage_info {
|
|
struct _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
|
|
struct _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
|
|
};
|
|
|
|
int amdgpu_atombios_get_voltage_evv(struct amdgpu_device *adev,
|
|
u16 virtual_voltage_id,
|
|
u16 *voltage)
|
|
{
|
|
int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
|
|
u32 entry_id;
|
|
u32 count = adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
|
|
union get_voltage_info args;
|
|
|
|
for (entry_id = 0; entry_id < count; entry_id++) {
|
|
if (adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
|
|
virtual_voltage_id)
|
|
break;
|
|
}
|
|
|
|
if (entry_id >= count)
|
|
return -EINVAL;
|
|
|
|
args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
|
|
args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
|
|
args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
|
|
args.in.ulSCLKFreq =
|
|
cpu_to_le32(adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
|
|
|
|
amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
|
|
|
|
*voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
|
|
|
|
return 0;
|
|
}
|
|
|
|
union voltage_object_info {
|
|
struct _ATOM_VOLTAGE_OBJECT_INFO v1;
|
|
struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
|
|
struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
|
|
};
|
|
|
|
union voltage_object {
|
|
struct _ATOM_VOLTAGE_OBJECT v1;
|
|
struct _ATOM_VOLTAGE_OBJECT_V2 v2;
|
|
union _ATOM_VOLTAGE_OBJECT_V3 v3;
|
|
};
|
|
|
|
|
|
static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
|
|
u8 voltage_type, u8 voltage_mode)
|
|
{
|
|
u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
|
|
u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
|
|
u8 *start = (u8*)v3;
|
|
|
|
while (offset < size) {
|
|
ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
|
|
if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
|
|
(vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
|
|
return vo;
|
|
offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
bool
|
|
amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev,
|
|
u8 voltage_type, u8 voltage_mode)
|
|
{
|
|
int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
|
|
u8 frev, crev;
|
|
u16 data_offset, size;
|
|
union voltage_object_info *voltage_info;
|
|
|
|
if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
|
|
&frev, &crev, &data_offset)) {
|
|
voltage_info = (union voltage_object_info *)
|
|
(adev->mode_info.atom_context->bios + data_offset);
|
|
|
|
switch (frev) {
|
|
case 3:
|
|
switch (crev) {
|
|
case 1:
|
|
if (amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
|
|
voltage_type, voltage_mode))
|
|
return true;
|
|
break;
|
|
default:
|
|
DRM_ERROR("unknown voltage object table\n");
|
|
return false;
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("unknown voltage object table\n");
|
|
return false;
|
|
}
|
|
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev,
|
|
u8 voltage_type, u8 voltage_mode,
|
|
struct atom_voltage_table *voltage_table)
|
|
{
|
|
int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
|
|
u8 frev, crev;
|
|
u16 data_offset, size;
|
|
int i;
|
|
union voltage_object_info *voltage_info;
|
|
union voltage_object *voltage_object = NULL;
|
|
|
|
if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
|
|
&frev, &crev, &data_offset)) {
|
|
voltage_info = (union voltage_object_info *)
|
|
(adev->mode_info.atom_context->bios + data_offset);
|
|
|
|
switch (frev) {
|
|
case 3:
|
|
switch (crev) {
|
|
case 1:
|
|
voltage_object = (union voltage_object *)
|
|
amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
|
|
voltage_type, voltage_mode);
|
|
if (voltage_object) {
|
|
ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
|
|
&voltage_object->v3.asGpioVoltageObj;
|
|
VOLTAGE_LUT_ENTRY_V2 *lut;
|
|
if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
|
|
return -EINVAL;
|
|
lut = &gpio->asVolGpioLut[0];
|
|
for (i = 0; i < gpio->ucGpioEntryNum; i++) {
|
|
voltage_table->entries[i].value =
|
|
le16_to_cpu(lut->usVoltageValue);
|
|
voltage_table->entries[i].smio_low =
|
|
le32_to_cpu(lut->ulVoltageId);
|
|
lut = (VOLTAGE_LUT_ENTRY_V2 *)
|
|
((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
|
|
}
|
|
voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
|
|
voltage_table->count = gpio->ucGpioEntryNum;
|
|
voltage_table->phase_delay = gpio->ucPhaseDelay;
|
|
return 0;
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("unknown voltage object table\n");
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("unknown voltage object table\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
union vram_info {
|
|
struct _ATOM_VRAM_INFO_V3 v1_3;
|
|
struct _ATOM_VRAM_INFO_V4 v1_4;
|
|
struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
|
|
};
|
|
|
|
#define MEM_ID_MASK 0xff000000
|
|
#define MEM_ID_SHIFT 24
|
|
#define CLOCK_RANGE_MASK 0x00ffffff
|
|
#define CLOCK_RANGE_SHIFT 0
|
|
#define LOW_NIBBLE_MASK 0xf
|
|
#define DATA_EQU_PREV 0
|
|
#define DATA_FROM_TABLE 4
|
|
|
|
int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
|
|
u8 module_index,
|
|
struct atom_mc_reg_table *reg_table)
|
|
{
|
|
int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
|
|
u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
|
|
u32 i = 0, j;
|
|
u16 data_offset, size;
|
|
union vram_info *vram_info;
|
|
|
|
memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
|
|
|
|
if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
|
|
&frev, &crev, &data_offset)) {
|
|
vram_info = (union vram_info *)
|
|
(adev->mode_info.atom_context->bios + data_offset);
|
|
switch (frev) {
|
|
case 1:
|
|
DRM_ERROR("old table version %d, %d\n", frev, crev);
|
|
return -EINVAL;
|
|
case 2:
|
|
switch (crev) {
|
|
case 1:
|
|
if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
|
|
ATOM_INIT_REG_BLOCK *reg_block =
|
|
(ATOM_INIT_REG_BLOCK *)
|
|
((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
|
|
ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
|
|
(ATOM_MEMORY_SETTING_DATA_BLOCK *)
|
|
((u8 *)reg_block + (2 * sizeof(u16)) +
|
|
le16_to_cpu(reg_block->usRegIndexTblSize));
|
|
ATOM_INIT_REG_INDEX_FORMAT *format = ®_block->asRegIndexBuf[0];
|
|
num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
|
|
sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
|
|
if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
|
|
return -EINVAL;
|
|
while (i < num_entries) {
|
|
if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
|
|
break;
|
|
reg_table->mc_reg_address[i].s1 =
|
|
(u16)(le16_to_cpu(format->usRegIndex));
|
|
reg_table->mc_reg_address[i].pre_reg_data =
|
|
(u8)(format->ucPreRegDataLength);
|
|
i++;
|
|
format = (ATOM_INIT_REG_INDEX_FORMAT *)
|
|
((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
|
|
}
|
|
reg_table->last = i;
|
|
while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
|
|
(num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
|
|
t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
|
|
>> MEM_ID_SHIFT);
|
|
if (module_index == t_mem_id) {
|
|
reg_table->mc_reg_table_entry[num_ranges].mclk_max =
|
|
(u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
|
|
>> CLOCK_RANGE_SHIFT);
|
|
for (i = 0, j = 1; i < reg_table->last; i++) {
|
|
if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
|
|
reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
|
|
(u32)le32_to_cpu(*((u32 *)reg_data + j));
|
|
j++;
|
|
} else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
|
|
reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
|
|
reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
|
|
}
|
|
}
|
|
num_ranges++;
|
|
}
|
|
reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
|
|
((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
|
|
}
|
|
if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
|
|
return -EINVAL;
|
|
reg_table->num_entries = num_ranges;
|
|
} else
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock)
|
|
{
|
|
uint32_t bios_6_scratch;
|
|
|
|
bios_6_scratch = RREG32(mmBIOS_SCRATCH_6);
|
|
|
|
if (lock) {
|
|
bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
|
|
bios_6_scratch &= ~ATOM_S6_ACC_MODE;
|
|
} else {
|
|
bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
|
|
bios_6_scratch |= ATOM_S6_ACC_MODE;
|
|
}
|
|
|
|
WREG32(mmBIOS_SCRATCH_6, bios_6_scratch);
|
|
}
|
|
|
|
void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev)
|
|
{
|
|
uint32_t bios_2_scratch, bios_6_scratch;
|
|
|
|
bios_2_scratch = RREG32(mmBIOS_SCRATCH_2);
|
|
bios_6_scratch = RREG32(mmBIOS_SCRATCH_6);
|
|
|
|
/* let the bios control the backlight */
|
|
bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
|
|
|
|
/* tell the bios not to handle mode switching */
|
|
bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
|
|
|
|
/* clear the vbios dpms state */
|
|
bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
|
|
|
|
WREG32(mmBIOS_SCRATCH_2, bios_2_scratch);
|
|
WREG32(mmBIOS_SCRATCH_6, bios_6_scratch);
|
|
}
|
|
|
|
void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
|
|
adev->bios_scratch[i] = RREG32(mmBIOS_SCRATCH_0 + i);
|
|
}
|
|
|
|
void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
|
|
WREG32(mmBIOS_SCRATCH_0 + i, adev->bios_scratch[i]);
|
|
}
|
|
|
|
/* Atom needs data in little endian format
|
|
* so swap as appropriate when copying data to
|
|
* or from atom. Note that atom operates on
|
|
* dw units.
|
|
*/
|
|
void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le)
|
|
{
|
|
#ifdef __BIG_ENDIAN
|
|
u8 src_tmp[20], dst_tmp[20]; /* used for byteswapping */
|
|
u32 *dst32, *src32;
|
|
int i;
|
|
|
|
memcpy(src_tmp, src, num_bytes);
|
|
src32 = (u32 *)src_tmp;
|
|
dst32 = (u32 *)dst_tmp;
|
|
if (to_le) {
|
|
for (i = 0; i < ((num_bytes + 3) / 4); i++)
|
|
dst32[i] = cpu_to_le32(src32[i]);
|
|
memcpy(dst, dst_tmp, num_bytes);
|
|
} else {
|
|
u8 dws = num_bytes & ~3;
|
|
for (i = 0; i < ((num_bytes + 3) / 4); i++)
|
|
dst32[i] = le32_to_cpu(src32[i]);
|
|
memcpy(dst, dst_tmp, dws);
|
|
if (num_bytes % 4) {
|
|
for (i = 0; i < (num_bytes % 4); i++)
|
|
dst[dws+i] = dst_tmp[dws+i];
|
|
}
|
|
}
|
|
#else
|
|
memcpy(dst, src, num_bytes);
|
|
#endif
|
|
}
|