diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mmhubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mmhubbub.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mmhubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mmhubbub.c new file mode 100644 index 000000000000..694260c10a01 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mmhubbub.c @@ -0,0 +1,323 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + + +#include "reg_helper.h" +#include "resource.h" +#include "mcif_wb.h" +#include "dcn20_mmhubbub.h" + + +#define REG(reg)\ + mcif_wb20->mcif_wb_regs->reg + +#define CTX \ + mcif_wb20->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + mcif_wb20->mcif_wb_shift->field_name, mcif_wb20->mcif_wb_mask->field_name + +#define MCIF_ADDR(addr) (((unsigned long long)addr & 0xffffffffff) + 0xFE) >> 8 +#define MCIF_ADDR_HIGH(addr) (unsigned long long)addr >> 40 + +/* wbif programming guide: + * 1. set up wbif parameter: + * unsigned long long luma_address[4]; //4 frame buffer + * unsigned long long chroma_address[4]; + * unsigned int luma_pitch; + * unsigned int chroma_pitch; + * unsigned int warmup_pitch=0x10; //256B align, the page size is 4KB when it is 0x10 + * unsigned int slice_lines; //slice size + * unsigned int time_per_pixel; // time per pixel, in ns + * unsigned int arbitration_slice; // 0: 512 bytes 1: 1024 bytes 2: 2048 Bytes + * unsigned int max_scaled_time; // used for QOS generation + * unsigned int swlock=0x0; + * unsigned int cli_watermark[4]; //4 group urgent watermark + * unsigned int pstate_watermark[4]; //4 group pstate watermark + * unsigned int sw_int_en; // Software interrupt enable, frame end and overflow + * unsigned int sw_slice_int_en; // slice end interrupt enable + * unsigned int sw_overrun_int_en; // overrun error interrupt enable + * unsigned int vce_int_en; // VCE interrupt enable, frame end and overflow + * unsigned int vce_slice_int_en; // VCE slice end interrupt enable, frame end and overflow + * + * 2. configure wbif register + * a. call mmhubbub_config_wbif() + * + * 3. Enable wbif + * call set_wbif_bufmgr_enable(); + * + * 4. wbif_dump_status(), option, for debug purpose + * the bufmgr status can show the progress of write back, can be used for debug purpose + */ + +static void mmhubbub2_config_mcif_buf(struct mcif_wb *mcif_wb, + struct mcif_buf_params *params, + unsigned int dest_height) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + /* sw lock buffer0~buffer3, default is 0 */ + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_LOCK, params->swlock); + + /* buffer address for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y, MCIF_WB_BUF_1_ADDR_Y, MCIF_ADDR(params->luma_address[0])); + REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[0])); + /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y_OFFSET, MCIF_WB_BUF_1_ADDR_Y_OFFSET, 0); + + /* buffer address for Chroma in planar mode (unused in packing mode) */ + REG_UPDATE(MCIF_WB_BUF_1_ADDR_C, MCIF_WB_BUF_1_ADDR_C, MCIF_ADDR(params->chroma_address[0])); + REG_UPDATE(MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[0])); + /* right eye offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_1_ADDR_C_OFFSET, MCIF_WB_BUF_1_ADDR_C_OFFSET, 0); + + /* buffer address for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y, MCIF_WB_BUF_2_ADDR_Y, MCIF_ADDR(params->luma_address[1])); + REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[1])); + /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y_OFFSET, MCIF_WB_BUF_2_ADDR_Y_OFFSET, 0); + + /* buffer address for Chroma in planar mode (unused in packing mode) */ + REG_UPDATE(MCIF_WB_BUF_2_ADDR_C, MCIF_WB_BUF_2_ADDR_C, MCIF_ADDR(params->chroma_address[1])); + REG_UPDATE(MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[1])); + /* right eye offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_2_ADDR_C_OFFSET, MCIF_WB_BUF_2_ADDR_C_OFFSET, 0); + + /* buffer address for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y, MCIF_WB_BUF_3_ADDR_Y, MCIF_ADDR(params->luma_address[2])); + REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[2])); + /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y_OFFSET, MCIF_WB_BUF_3_ADDR_Y_OFFSET, 0); + + /* buffer address for Chroma in planar mode (unused in packing mode) */ + REG_UPDATE(MCIF_WB_BUF_3_ADDR_C, MCIF_WB_BUF_3_ADDR_C, MCIF_ADDR(params->chroma_address[2])); + REG_UPDATE(MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[2])); + /* right eye offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_3_ADDR_C_OFFSET, MCIF_WB_BUF_3_ADDR_C_OFFSET, 0); + + /* buffer address for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y, MCIF_WB_BUF_4_ADDR_Y, MCIF_ADDR(params->luma_address[3])); + REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[3])); + /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y_OFFSET, MCIF_WB_BUF_4_ADDR_Y_OFFSET, 0); + + /* buffer address for Chroma in planar mode (unused in packing mode) */ + REG_UPDATE(MCIF_WB_BUF_4_ADDR_C, MCIF_WB_BUF_4_ADDR_C, MCIF_ADDR(params->chroma_address[3])); + REG_UPDATE(MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[3])); + /* right eye offset for packing mode or Luma in planar mode */ + REG_UPDATE(MCIF_WB_BUF_4_ADDR_C_OFFSET, MCIF_WB_BUF_4_ADDR_C_OFFSET, 0); + + /* setup luma & chroma size + * should be enough to contain a whole frame Luma data, + * the programmed value is frame buffer size [27:8], 256-byte aligned + */ + REG_UPDATE(MCIF_WB_BUF_LUMA_SIZE, MCIF_WB_BUF_LUMA_SIZE, (params->luma_pitch>>8) * dest_height); + REG_UPDATE(MCIF_WB_BUF_CHROMA_SIZE, MCIF_WB_BUF_CHROMA_SIZE, (params->chroma_pitch>>8) * dest_height); + + /* enable address fence */ + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUF_ADDR_FENCE_EN, 1); + + /* setup pitch, the programmed value is [15:8], 256B align */ + REG_UPDATE_2(MCIF_WB_BUF_PITCH, MCIF_WB_BUF_LUMA_PITCH, params->luma_pitch >> 8, + MCIF_WB_BUF_CHROMA_PITCH, params->chroma_pitch >> 8); + + /* Set pitch for MC cache warm up mode */ + /* Pitch is 256 bytes aligned. The default pitch is 4K */ + /* default is 0x10 */ + REG_UPDATE(MCIF_WB_WARM_UP_CNTL, MCIF_WB_PITCH_SIZE_WARMUP, params->warmup_pitch); +} + +static void mmhubbub2_config_mcif_arb(struct mcif_wb *mcif_wb, + struct mcif_arb_params *params) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + /* Programmed by the video driver based on the CRTC timing (for DWB) */ + REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_TIME_PER_PIXEL, params->time_per_pixel); + + /* Programming dwb watermark */ + /* Watermark to generate urgent in MCIF_WB_CLI, value is determined by MCIF_WB_CLI_WATERMARK_MASK. */ + /* Program in ns. A formula will be provided in the pseudo code to calculate the value. */ + REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x0); + /* urgent_watermarkA */ + REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[0]); + REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x1); + /* urgent_watermarkB */ + REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[1]); + REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x2); + /* urgent_watermarkC */ + REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[2]); + REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x3); + /* urgent_watermarkD */ + REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[3]); + + /* Programming nb pstate watermark */ + /* nbp_state_change_watermarkA */ + REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x0); + REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, + NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[0]); + /* nbp_state_change_watermarkB */ + REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x1); + REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, + NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[1]); + /* nbp_state_change_watermarkC */ + REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x2); + REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, + NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[2]); + /* nbp_state_change_watermarkD */ + REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x3); + REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, + NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[3]); + + /* max_scaled_time */ + REG_UPDATE(MULTI_LEVEL_QOS_CTRL, MAX_SCALED_TIME_TO_URGENT, params->max_scaled_time); + + /* slice_lines */ + REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_SLICE_SIZE, params->slice_lines-1); + + /* Set arbitration unit for Luma/Chroma */ + /* arb_unit=2 should be chosen for more efficiency */ + /* Arbitration size, 0: 512 bytes 1: 1024 bytes 2: 2048 Bytes */ + REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_CLIENT_ARBITRATION_SLICE, params->arbitration_slice); +} + +void mmhubbub2_config_mcif_irq(struct mcif_wb *mcif_wb, + struct mcif_irq_params *params) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + /* Set interrupt mask */ + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_INT_EN, params->sw_int_en); + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_SLICE_INT_EN, params->sw_slice_int_en); + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_OVERRUN_INT_EN, params->sw_overrun_int_en); + + REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_VCE_INT_EN, params->vce_int_en); + REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_VCE_SLICE_INT_EN, params->vce_slice_int_en); +} + +void mmhubbub2_enable_mcif(struct mcif_wb *mcif_wb) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + /* Enable Mcifwb */ + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_ENABLE, 1); +} + +void mmhubbub2_disable_mcif(struct mcif_wb *mcif_wb) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + /* disable buffer manager */ + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_ENABLE, 0); +} + +/* set which group of pstate watermark to use and set wbif watermark change request */ +/* +static void mmhubbub2_wbif_watermark_change_req(struct mcif_wb *mcif_wb, unsigned int wm_set) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + uint32_t change_req; + + REG_GET(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_REQ, &change_req); + change_req = (change_req == 0) ? 1 : 0; + REG_UPDATE(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_SEL, wm_set); + REG_UPDATE(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_REQ, change_req); +} +*/ +/* Set watermark change interrupt disable bit */ +/* +static void mmhubbub2_set_wbif_watermark_change_int_disable(struct mcif_wb *mcif_wb, unsigned int ack_int_dis) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + REG_UPDATE(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_ACK_INT_DIS, ack_int_dis); +} +*/ +/* Read watermark change interrupt status */ +/* +unsigned int mmhubbub2_get_wbif_watermark_change_int_status(struct mcif_wb *mcif_wb) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + uint32_t irq_status; + + REG_GET(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_ACK_INT_STATUS, &irq_status); + return irq_status; +} +*/ + +void mcifwb2_dump_frame(struct mcif_wb *mcif_wb, + struct mcif_buf_params *mcif_params, + enum dwb_scaler_mode out_format, + unsigned int dest_width, + unsigned int dest_height, + struct mcif_wb_frame_dump_info *dump_info, + unsigned char *luma_buffer, + unsigned char *chroma_buffer, + unsigned char *dest_luma_buffer, + unsigned char *dest_chroma_buffer) +{ + struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); + + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_LOCK, 0xf); + + memcpy(dest_luma_buffer, luma_buffer, mcif_params->luma_pitch * dest_height); + memcpy(dest_chroma_buffer, chroma_buffer, mcif_params->chroma_pitch * dest_height / 2); + + REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_LOCK, 0x0); + + dump_info->format = out_format; + dump_info->width = dest_width; + dump_info->height = dest_height; + dump_info->luma_pitch = mcif_params->luma_pitch; + dump_info->chroma_pitch = mcif_params->chroma_pitch; + dump_info->size = dest_height * (mcif_params->luma_pitch + mcif_params->chroma_pitch); +} + +const struct mcif_wb_funcs dcn20_mmhubbub_funcs = { + .enable_mcif = mmhubbub2_enable_mcif, + .disable_mcif = mmhubbub2_disable_mcif, + .config_mcif_buf = mmhubbub2_config_mcif_buf, + .config_mcif_arb = mmhubbub2_config_mcif_arb, + .config_mcif_irq = mmhubbub2_config_mcif_irq, + .dump_frame = mcifwb2_dump_frame, +}; + +void dcn20_mmhubbub_construct(struct dcn20_mmhubbub *mcif_wb20, + struct dc_context *ctx, + const struct dcn20_mmhubbub_registers *mcif_wb_regs, + const struct dcn20_mmhubbub_shift *mcif_wb_shift, + const struct dcn20_mmhubbub_mask *mcif_wb_mask, + int inst) +{ + mcif_wb20->base.ctx = ctx; + + mcif_wb20->base.inst = inst; + mcif_wb20->base.funcs = &dcn20_mmhubbub_funcs; + + mcif_wb20->mcif_wb_regs = mcif_wb_regs; + mcif_wb20->mcif_wb_shift = mcif_wb_shift; + mcif_wb20->mcif_wb_mask = mcif_wb_mask; +} |