diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 1598 |
1 files changed, 1598 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c new file mode 100644 index 000000000000..6a588371d54a --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -0,0 +1,1598 @@ +/* + * Copyright 2007-8 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat 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: Dave Airlie + * Alex Deucher + */ +#include <drm/drmP.h> +#include <drm/amdgpu_drm.h> +#include "amdgpu.h" +#include "amdgpu_atombios.h" +#include "amdgpu_i2c.h" + +#include "atom.h" +#include "atom-bits.h" +#include "atombios_encoders.h" +#include "bif/bif_4_1_d.h" + +static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev, + ATOM_GPIO_I2C_ASSIGMENT *gpio, + u8 index) +{ + +} + +static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio) +{ + struct amdgpu_i2c_bus_rec i2c; + + memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec)); + + i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex); + i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex); + i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex); + i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex); + i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex); + i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex); + i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex); + i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex); + i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift); + i2c.mask_data_mask = (1 << gpio->ucDataMaskShift); + i2c.en_clk_mask = (1 << gpio->ucClkEnShift); + i2c.en_data_mask = (1 << gpio->ucDataEnShift); + i2c.y_clk_mask = (1 << gpio->ucClkY_Shift); + i2c.y_data_mask = (1 << gpio->ucDataY_Shift); + i2c.a_clk_mask = (1 << gpio->ucClkA_Shift); + i2c.a_data_mask = (1 << gpio->ucDataA_Shift); + + if (gpio->sucI2cId.sbfAccess.bfHW_Capable) + i2c.hw_capable = true; + else + i2c.hw_capable = false; + + if (gpio->sucI2cId.ucAccess == 0xa0) + i2c.mm_i2c = true; + else + i2c.mm_i2c = false; + + i2c.i2c_id = gpio->sucI2cId.ucAccess; + + if (i2c.mask_clk_reg) + i2c.valid = true; + else + i2c.valid = false; + + return i2c; +} + +struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev, + uint8_t id) +{ + struct atom_context *ctx = adev->mode_info.atom_context; + ATOM_GPIO_I2C_ASSIGMENT *gpio; + struct amdgpu_i2c_bus_rec i2c; + int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info); + struct _ATOM_GPIO_I2C_INFO *i2c_info; + uint16_t data_offset, size; + int i, num_indices; + + memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec)); + i2c.valid = false; + + if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { + i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); + + num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / + sizeof(ATOM_GPIO_I2C_ASSIGMENT); + + gpio = &i2c_info->asGPIO_Info[0]; + for (i = 0; i < num_indices; i++) { + + amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i); + + if (gpio->sucI2cId.ucAccess == id) { + i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); + break; + } + gpio = (ATOM_GPIO_I2C_ASSIGMENT *) + ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT)); + } + } + + return i2c; +} + +void amdgpu_atombios_i2c_init(struct amdgpu_device *adev) +{ + struct atom_context *ctx = adev->mode_info.atom_context; + ATOM_GPIO_I2C_ASSIGMENT *gpio; + struct amdgpu_i2c_bus_rec i2c; + int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info); + struct _ATOM_GPIO_I2C_INFO *i2c_info; + uint16_t data_offset, size; + int i, num_indices; + char stmp[32]; + + if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { + i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); + + num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / + sizeof(ATOM_GPIO_I2C_ASSIGMENT); + + gpio = &i2c_info->asGPIO_Info[0]; + for (i = 0; i < num_indices; i++) { + amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i); + + i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio); + + if (i2c.valid) { + sprintf(stmp, "0x%x", i2c.i2c_id); + adev->i2c_bus[i] = amdgpu_i2c_create(adev->ddev, &i2c, stmp); + } + gpio = (ATOM_GPIO_I2C_ASSIGMENT *) + ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT)); + } + } +} + +struct amdgpu_gpio_rec +amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev, + u8 id) +{ + struct atom_context *ctx = adev->mode_info.atom_context; + struct amdgpu_gpio_rec gpio; + int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT); + struct _ATOM_GPIO_PIN_LUT *gpio_info; + ATOM_GPIO_PIN_ASSIGNMENT *pin; + u16 data_offset, size; + int i, num_indices; + + memset(&gpio, 0, sizeof(struct amdgpu_gpio_rec)); + gpio.valid = false; + + if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { + gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset); + + num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / + sizeof(ATOM_GPIO_PIN_ASSIGNMENT); + + pin = gpio_info->asGPIO_Pin; + for (i = 0; i < num_indices; i++) { + if (id == pin->ucGPIO_ID) { + gpio.id = pin->ucGPIO_ID; + gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex); + gpio.shift = pin->ucGpioPinBitShift; + gpio.mask = (1 << pin->ucGpioPinBitShift); + gpio.valid = true; + break; + } + pin = (ATOM_GPIO_PIN_ASSIGNMENT *) + ((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT)); + } + } + + return gpio; +} + +static struct amdgpu_hpd +amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev, + struct amdgpu_gpio_rec *gpio) +{ + struct amdgpu_hpd hpd; + u32 reg; + + memset(&hpd, 0, sizeof(struct amdgpu_hpd)); + + reg = amdgpu_display_hpd_get_gpio_reg(adev); + + hpd.gpio = *gpio; + if (gpio->reg == reg) { + switch(gpio->mask) { + case (1 << 0): + hpd.hpd = AMDGPU_HPD_1; + break; + case (1 << 8): + hpd.hpd = AMDGPU_HPD_2; + break; + case (1 << 16): + hpd.hpd = AMDGPU_HPD_3; + break; + case (1 << 24): + hpd.hpd = AMDGPU_HPD_4; + break; + case (1 << 26): + hpd.hpd = AMDGPU_HPD_5; + break; + case (1 << 28): + hpd.hpd = AMDGPU_HPD_6; + break; + default: + hpd.hpd = AMDGPU_HPD_NONE; + break; + } + } else + hpd.hpd = AMDGPU_HPD_NONE; + return hpd; +} + +static bool amdgpu_atombios_apply_quirks(struct amdgpu_device *adev, + uint32_t supported_device, + int *connector_type, + struct amdgpu_i2c_bus_rec *i2c_bus, + uint16_t *line_mux, + struct amdgpu_hpd *hpd) +{ + return true; +} + +static const int object_connector_convert[] = { + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_DVII, + DRM_MODE_CONNECTOR_DVII, + DRM_MODE_CONNECTOR_DVID, + DRM_MODE_CONNECTOR_DVID, + DRM_MODE_CONNECTOR_VGA, + DRM_MODE_CONNECTOR_Composite, + DRM_MODE_CONNECTOR_SVIDEO, + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_9PinDIN, + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_HDMIA, + DRM_MODE_CONNECTOR_HDMIB, + DRM_MODE_CONNECTOR_LVDS, + DRM_MODE_CONNECTOR_9PinDIN, + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_DisplayPort, + DRM_MODE_CONNECTOR_eDP, + DRM_MODE_CONNECTOR_Unknown +}; + +bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev) +{ + struct amdgpu_mode_info *mode_info = &adev->mode_info; + struct atom_context *ctx = mode_info->atom_context; + int index = GetIndexIntoMasterTable(DATA, Object_Header); + u16 size, data_offset; + u8 frev, crev; + ATOM_CONNECTOR_OBJECT_TABLE *con_obj; + ATOM_ENCODER_OBJECT_TABLE *enc_obj; + ATOM_OBJECT_TABLE *router_obj; + ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj; + ATOM_OBJECT_HEADER *obj_header; + int i, j, k, path_size, device_support; + int connector_type; + u16 conn_id, connector_object_id; + struct amdgpu_i2c_bus_rec ddc_bus; + struct amdgpu_router router; + struct amdgpu_gpio_rec gpio; + struct amdgpu_hpd hpd; + + if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) + return false; + + if (crev < 2) + return false; + + obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset); + path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *) + (ctx->bios + data_offset + + le16_to_cpu(obj_header->usDisplayPathTableOffset)); + con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *) + (ctx->bios + data_offset + + le16_to_cpu(obj_header->usConnectorObjectTableOffset)); + enc_obj = (ATOM_ENCODER_OBJECT_TABLE *) + (ctx->bios + data_offset + + le16_to_cpu(obj_header->usEncoderObjectTableOffset)); + router_obj = (ATOM_OBJECT_TABLE *) + (ctx->bios + data_offset + + le16_to_cpu(obj_header->usRouterObjectTableOffset)); + device_support = le16_to_cpu(obj_header->usDeviceSupport); + + path_size = 0; + for (i = 0; i < path_obj->ucNumOfDispPath; i++) { + uint8_t *addr = (uint8_t *) path_obj->asDispPath; + ATOM_DISPLAY_OBJECT_PATH *path; + addr += path_size; + path = (ATOM_DISPLAY_OBJECT_PATH *) addr; + path_size += le16_to_cpu(path->usSize); + + if (device_support & le16_to_cpu(path->usDeviceTag)) { + uint8_t con_obj_id, con_obj_num, con_obj_type; + + con_obj_id = + (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK) + >> OBJECT_ID_SHIFT; + con_obj_num = + (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK) + >> ENUM_ID_SHIFT; + con_obj_type = + (le16_to_cpu(path->usConnObjectId) & + OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT; + + connector_type = + object_connector_convert[con_obj_id]; + connector_object_id = con_obj_id; + + if (connector_type == DRM_MODE_CONNECTOR_Unknown) + continue; + + router.ddc_valid = false; + router.cd_valid = false; + for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) { + uint8_t grph_obj_id, grph_obj_num, grph_obj_type; + + grph_obj_id = + (le16_to_cpu(path->usGraphicObjIds[j]) & + OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; + grph_obj_num = + (le16_to_cpu(path->usGraphicObjIds[j]) & + ENUM_ID_MASK) >> ENUM_ID_SHIFT; + grph_obj_type = + (le16_to_cpu(path->usGraphicObjIds[j]) & + OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT; + + if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) { + for (k = 0; k < enc_obj->ucNumberOfObjects; k++) { + u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID); + if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) { + ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *) + (ctx->bios + data_offset + + le16_to_cpu(enc_obj->asObjects[k].usRecordOffset)); + ATOM_ENCODER_CAP_RECORD *cap_record; + u16 caps = 0; + + while (record->ucRecordSize > 0 && + record->ucRecordType > 0 && + record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { + switch (record->ucRecordType) { + case ATOM_ENCODER_CAP_RECORD_TYPE: + cap_record =(ATOM_ENCODER_CAP_RECORD *) + record; + caps = le16_to_cpu(cap_record->usEncoderCap); + break; + } + record = (ATOM_COMMON_RECORD_HEADER *) + ((char *)record + record->ucRecordSize); + } + amdgpu_display_add_encoder(adev, encoder_obj, + le16_to_cpu(path->usDeviceTag), + caps); + } + } + } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) { + for (k = 0; k < router_obj->ucNumberOfObjects; k++) { + u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID); + if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) { + ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *) + (ctx->bios + data_offset + + le16_to_cpu(router_obj->asObjects[k].usRecordOffset)); + ATOM_I2C_RECORD *i2c_record; + ATOM_I2C_ID_CONFIG_ACCESS *i2c_config; + ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path; + ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path; + ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table = + (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *) + (ctx->bios + data_offset + + le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset)); + u8 *num_dst_objs = (u8 *) + ((u8 *)router_src_dst_table + 1 + + (router_src_dst_table->ucNumberOfSrc * 2)); + u16 *dst_objs = (u16 *)(num_dst_objs + 1); + int enum_id; + + router.router_id = router_obj_id; + for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) { + if (le16_to_cpu(path->usConnObjectId) == + le16_to_cpu(dst_objs[enum_id])) + break; + } + + 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; + 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); + if (adev->clock.default_dispclk == 0) + adev->clock.default_dispclk = 54000; /* 540 Mhz */ + 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 & AMDGPU_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 & AMDGPU_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 +} |