/* * 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 #include "dce110_transform_v.h" #include "dm_services.h" #include "dc.h" #include "dce/dce_11_0_d.h" #include "dce/dce_11_0_sh_mask.h" #define SCLV_PHASES 64 #define DC_LOGGER \ xfm->ctx->logger struct sclv_ratios_inits { uint32_t h_int_scale_ratio_luma; uint32_t h_int_scale_ratio_chroma; uint32_t v_int_scale_ratio_luma; uint32_t v_int_scale_ratio_chroma; struct init_int_and_frac h_init_luma; struct init_int_and_frac h_init_chroma; struct init_int_and_frac v_init_luma; struct init_int_and_frac v_init_chroma; }; static void calculate_viewport( const struct scaler_data *scl_data, struct rect *luma_viewport, struct rect *chroma_viewport) { /*Do not set chroma vp for rgb444 pixel format*/ luma_viewport->x = scl_data->viewport.x - scl_data->viewport.x % 2; luma_viewport->y = scl_data->viewport.y - scl_data->viewport.y % 2; luma_viewport->width = scl_data->viewport.width - scl_data->viewport.width % 2; luma_viewport->height = scl_data->viewport.height - scl_data->viewport.height % 2; chroma_viewport->x = luma_viewport->x; chroma_viewport->y = luma_viewport->y; chroma_viewport->height = luma_viewport->height; chroma_viewport->width = luma_viewport->width; if (scl_data->format == PIXEL_FORMAT_420BPP8) { luma_viewport->height += luma_viewport->height % 2; luma_viewport->width += luma_viewport->width % 2; /*for 420 video chroma is 1/4 the area of luma, scaled *vertically and horizontally */ chroma_viewport->x = luma_viewport->x / 2; chroma_viewport->y = luma_viewport->y / 2; chroma_viewport->height = luma_viewport->height / 2; chroma_viewport->width = luma_viewport->width / 2; } } static void program_viewport( struct dce_transform *xfm_dce, struct rect *luma_view_port, struct rect *chroma_view_port) { struct dc_context *ctx = xfm_dce->base.ctx; uint32_t value = 0; uint32_t addr = 0; if (luma_view_port->width != 0 && luma_view_port->height != 0) { addr = mmSCLV_VIEWPORT_START; value = 0; set_reg_field_value( value, luma_view_port->x, SCLV_VIEWPORT_START, VIEWPORT_X_START); set_reg_field_value( value, luma_view_port->y, SCLV_VIEWPORT_START, VIEWPORT_Y_START); dm_write_reg(ctx, addr, value); addr = mmSCLV_VIEWPORT_SIZE; value = 0; set_reg_field_value( value, luma_view_port->height, SCLV_VIEWPORT_SIZE, VIEWPORT_HEIGHT); set_reg_field_value( value, luma_view_port->width, SCLV_VIEWPORT_SIZE, VIEWPORT_WIDTH); dm_write_reg(ctx, addr, value); } if (chroma_view_port->width != 0 && chroma_view_port->height != 0) { addr = mmSCLV_VIEWPORT_START_C; value = 0; set_reg_field_value( value, chroma_view_port->x, SCLV_VIEWPORT_START_C, VIEWPORT_X_START_C); set_reg_field_value( value, chroma_view_port->y, SCLV_VIEWPORT_START_C, VIEWPORT_Y_START_C); dm_write_reg(ctx, addr, value); addr = mmSCLV_VIEWPORT_SIZE_C; value = 0; set_reg_field_value( value, chroma_view_port->height, SCLV_VIEWPORT_SIZE_C, VIEWPORT_HEIGHT_C); set_reg_field_value( value, chroma_view_port->width, SCLV_VIEWPORT_SIZE_C, VIEWPORT_WIDTH_C); dm_write_reg(ctx, addr, value); } } /* * Function: * void setup_scaling_configuration * * Purpose: setup scaling mode : bypass, RGb, YCbCr and nummber of taps * Input: data * * Output: * void */ static bool setup_scaling_configuration( struct dce_transform *xfm_dce, const struct scaler_data *data) { bool is_scaling_needed = false; struct dc_context *ctx = xfm_dce->base.ctx; uint32_t value = 0; set_reg_field_value(value, data->taps.h_taps - 1, SCLV_TAP_CONTROL, SCL_H_NUM_OF_TAPS); set_reg_field_value(value, data->taps.v_taps - 1, SCLV_TAP_CONTROL, SCL_V_NUM_OF_TAPS); set_reg_field_value(value, data->taps.h_taps_c - 1, SCLV_TAP_CONTROL, SCL_H_NUM_OF_TAPS_C); set_reg_field_value(value, data->taps.v_taps_c - 1, SCLV_TAP_CONTROL, SCL_V_NUM_OF_TAPS_C); dm_write_reg(ctx, mmSCLV_TAP_CONTROL, value); value = 0; if (data->taps.h_taps + data->taps.v_taps > 2) { set_reg_field_value(value, 1, SCLV_MODE, SCL_MODE); set_reg_field_value(value, 1, SCLV_MODE, SCL_PSCL_EN); is_scaling_needed = true; } else { set_reg_field_value(value, 0, SCLV_MODE, SCL_MODE); set_reg_field_value(value, 0, SCLV_MODE, SCL_PSCL_EN); } if (data->taps.h_taps_c + data->taps.v_taps_c > 2) { set_reg_field_value(value, 1, SCLV_MODE, SCL_MODE_C); set_reg_field_value(value, 1, SCLV_MODE, SCL_PSCL_EN_C); is_scaling_needed = true; } else if (data->format != PIXEL_FORMAT_420BPP8) { set_reg_field_value( value, get_reg_field_value(value, SCLV_MODE, SCL_MODE), SCLV_MODE, SCL_MODE_C); set_reg_field_value( value, get_reg_field_value(value, SCLV_MODE, SCL_PSCL_EN), SCLV_MODE, SCL_PSCL_EN_C); } else { set_reg_field_value(value, 0, SCLV_MODE, SCL_MODE_C); set_reg_field_value(value, 0, SCLV_MODE, SCL_PSCL_EN_C); } dm_write_reg(ctx, mmSCLV_MODE, value); value = 0; /* * 0 - Replaced out of bound pixels with black pixel * (or any other required color) * 1 - Replaced out of bound pixels with the edge pixel */ set_reg_field_value(value, 1, SCLV_CONTROL, SCL_BOUNDARY_MODE); dm_write_reg(ctx, mmSCLV_CONTROL, value); return is_scaling_needed; } /** * Function: * void program_overscan * * Purpose: Programs overscan border * Input: overscan * * Output: void */ static void program_overscan( struct dce_transform *xfm_dce, const struct scaler_data *data) { uint32_t overscan_left_right = 0; uint32_t overscan_top_bottom = 0; int overscan_right = data->h_active - data->recout.x - data->recout.width; int overscan_bottom = data->v_active - data->recout.y - data->recout.height; if (xfm_dce->base.ctx->dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) { overscan_bottom += 2; overscan_right += 2; } if (overscan_right < 0) { BREAK_TO_DEBUGGER(); overscan_right = 0; } if (overscan_bottom < 0) { BREAK_TO_DEBUGGER(); overscan_bottom = 0; } set_reg_field_value(overscan_left_right, data->recout.x, EXT_OVERSCAN_LEFT_RIGHT, EXT_OVERSCAN_LEFT); set_reg_field_value(overscan_left_right, overscan_right, EXT_OVERSCAN_LEFT_RIGHT, EXT_OVERSCAN_RIGHT); set_reg_field_value(overscan_top_bottom, data->recout.y, EXT_OVERSCAN_TOP_BOTTOM, EXT_OVERSCAN_TOP); set_reg_field_value(overscan_top_bottom, overscan_bottom, EXT_OVERSCAN_TOP_BOTTOM, EXT_OVERSCAN_BOTTOM); dm_write_reg(xfm_dce->base.ctx, mmSCLV_EXT_OVERSCAN_LEFT_RIGHT, overscan_left_right); dm_write_reg(xfm_dce->base.ctx, mmSCLV_EXT_OVERSCAN_TOP_BOTTOM, overscan_top_bottom); } static void set_coeff_update_complete( struct dce_transform *xfm_dce) { uint32_t value; value = dm_read_reg(xfm_dce->base.ctx, mmSCLV_UPDATE); set_reg_field_value(value, 1, SCLV_UPDATE, SCL_COEF_UPDATE_COMPLETE); dm_write_reg(xfm_dce->base.ctx, mmSCLV_UPDATE, value); } static void program_multi_taps_filter( struct dce_transform *xfm_dce, int taps, const uint16_t *coeffs, enum ram_filter_type filter_type) { struct dc_context *ctx = xfm_dce->base.ctx; int i, phase, pair; int array_idx = 0; int taps_pairs = (taps + 1) / 2; int phases_to_program = SCLV_PHASES / 2 + 1; uint32_t select = 0; uint32_t power_ctl, power_ctl_off; if (!coeffs) return; /*We need to disable power gating on coeff memory to do programming*/ power_ctl = dm_read_reg(ctx, mmDCFEV_MEM_PWR_CTRL); power_ctl_off = power_ctl; set_reg_field_value(power_ctl_off, 1, DCFEV_MEM_PWR_CTRL, SCLV_COEFF_MEM_PWR_DIS); dm_write_reg(ctx, mmDCFEV_MEM_PWR_CTRL, power_ctl_off); /*Wait to disable gating:*/ for (i = 0; i < 10; i++) { if (get_reg_field_value( dm_read_reg(ctx, mmDCFEV_MEM_PWR_STATUS), DCFEV_MEM_PWR_STATUS, SCLV_COEFF_MEM_PWR_STATE) == 0) break; udelay(1); } set_reg_field_value(select, filter_type, SCLV_COEF_RAM_SELECT, SCL_C_RAM_FILTER_TYPE); for (phase = 0; phase < phases_to_program; phase++) { /*we always program N/2 + 1 phases, total phases N, but N/2-1 are just mirror phase 0 is unique and phase N/2 is unique if N is even*/ set_reg_field_value(select, phase, SCLV_COEF_RAM_SELECT, SCL_C_RAM_PHASE); for (pair = 0; pair < taps_pairs; pair++) { uint32_t data = 0; set_reg_field_value(select, pair, SCLV_COEF_RAM_SELECT, SCL_C_RAM_TAP_PAIR_IDX); dm_write_reg(ctx, mmSCLV_COEF_RAM_SELECT, select); set_reg_field_value( data, 1, SCLV_COEF_RAM_TAP_DATA, SCL_C_RAM_EVEN_TAP_COEF_EN); set_reg_field_value( data, coeffs[array_idx], SCLV_COEF_RAM_TAP_DATA, SCL_C_RAM_EVEN_TAP_COEF); if (taps % 2 && pair == taps_pairs - 1) { set_reg_field_value( data, 0, SCLV_COEF_RAM_TAP_DATA, SCL_C_RAM_ODD_TAP_COEF_EN); array_idx++; } else { set_reg_field_value( data, 1, SCLV_COEF_RAM_TAP_DATA, SCL_C_RAM_ODD_TAP_COEF_EN); set_reg_field_value( data, coeffs[array_idx + 1], SCLV_COEF_RAM_TAP_DATA, SCL_C_RAM_ODD_TAP_COEF); array_idx += 2; } dm_write_reg(ctx, mmSCLV_COEF_RAM_TAP_DATA, data); } } /*We need to restore power gating on coeff memory to initial state*/ dm_write_reg(ctx, mmDCFEV_MEM_PWR_CTRL, power_ctl); } static void calculate_inits( struct dce_transform *xfm_dce, const struct scaler_data *data, struct sclv_ratios_inits *inits, struct rect *luma_viewport, struct rect *chroma_viewport) { inits->h_int_scale_ratio_luma = dc_fixpt_u2d19(data->ratios.horz) << 5; inits->v_int_scale_ratio_luma = dc_fixpt_u2d19(data->ratios.vert) << 5; inits->h_int_scale_ratio_chroma = dc_fixpt_u2d19(data->ratios.horz_c) << 5; inits->v_int_scale_ratio_chroma = dc_fixpt_u2d19(data->ratios.vert_c) << 5; inits->h_init_luma.integer = 1; inits->v_init_luma.integer = 1; inits->h_init_chroma.integer = 1; inits->v_init_chroma.integer = 1; } static void program_scl_ratios_inits( struct dce_transform *xfm_dce, struct sclv_ratios_inits *inits) { struct dc_context *ctx = xfm_dce->base.ctx; uint32_t addr = mmSCLV_HORZ_FILTER_SCALE_RATIO; uint32_t value = 0; set_reg_field_value( value, inits->h_int_scale_ratio_luma, SCLV_HORZ_FILTER_SCALE_RATIO, SCL_H_SCALE_RATIO); dm_write_reg(ctx, addr, value); addr = mmSCLV_VERT_FILTER_SCALE_RATIO; value = 0; set_reg_field_value( value, inits->v_int_scale_ratio_luma, SCLV_VERT_FILTER_SCALE_RATIO, SCL_V_SCALE_RATIO); dm_write_reg(ctx, addr, value); addr = mmSCLV_HORZ_FILTER_SCALE_RATIO_C; value = 0; set_reg_field_value( value, inits->h_int_scale_ratio_chroma, SCLV_HORZ_FILTER_SCALE_RATIO_C, SCL_H_SCALE_RATIO_C); dm_write_reg(ctx, addr, value); addr = mmSCLV_VERT_FILTER_SCALE_RATIO_C; value = 0; set_reg_field_value( value, inits->v_int_scale_ratio_chroma, SCLV_VERT_FILTER_SCALE_RATIO_C, SCL_V_SCALE_RATIO_C); dm_write_reg(ctx, addr, value); addr = mmSCLV_HORZ_FILTER_INIT; value = 0; set_reg_field_value( value, inits->h_init_luma.fraction, SCLV_HORZ_FILTER_INIT, SCL_H_INIT_FRAC); set_reg_field_value( value, inits->h_init_luma.integer, SCLV_HORZ_FILTER_INIT, SCL_H_INIT_INT); dm_write_reg(ctx, addr, value); addr = mmSCLV_VERT_FILTER_INIT; value = 0; set_reg_field_value( value, inits->v_init_luma.fraction, SCLV_VERT_FILTER_INIT, SCL_V_INIT_FRAC); set_reg_field_value( value, inits->v_init_luma.integer, SCLV_VERT_FILTER_INIT, SCL_V_INIT_INT); dm_write_reg(ctx, addr, value); addr = mmSCLV_HORZ_FILTER_INIT_C; value = 0; set_reg_field_value( value, inits->h_init_chroma.fraction, SCLV_HORZ_FILTER_INIT_C, SCL_H_INIT_FRAC_C); set_reg_field_value( value, inits->h_init_chroma.integer, SCLV_HORZ_FILTER_INIT_C, SCL_H_INIT_INT_C); dm_write_reg(ctx, addr, value); addr = mmSCLV_VERT_FILTER_INIT_C; value = 0; set_reg_field_value( value, inits->v_init_chroma.fraction, SCLV_VERT_FILTER_INIT_C, SCL_V_INIT_FRAC_C); set_reg_field_value( value, inits->v_init_chroma.integer, SCLV_VERT_FILTER_INIT_C, SCL_V_INIT_INT_C); dm_write_reg(ctx, addr, value); } static const uint16_t *get_filter_coeffs_64p(int taps, struct fixed31_32 ratio) { if (taps == 4) return get_filter_4tap_64p(ratio); else if (taps == 2) return get_filter_2tap_64p(); else if (taps == 1) return NULL; else { /* should never happen, bug */ BREAK_TO_DEBUGGER(); return NULL; } } static bool dce110_xfmv_power_up_line_buffer(struct transform *xfm) { struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm); uint32_t value; value = dm_read_reg(xfm_dce->base.ctx, mmLBV_MEMORY_CTRL); /*Use all three pieces of memory always*/ set_reg_field_value(value, 0, LBV_MEMORY_CTRL, LB_MEMORY_CONFIG); /*hard coded number DCE11 1712(0x6B0) Partitions: 720/960/1712*/ set_reg_field_value(value, xfm_dce->lb_memory_size, LBV_MEMORY_CTRL, LB_MEMORY_SIZE); dm_write_reg(xfm_dce->base.ctx, mmLBV_MEMORY_CTRL, value); return true; } static void dce110_xfmv_set_scaler( struct transform *xfm, const struct scaler_data *data) { struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm); bool is_scaling_required = false; bool filter_updated = false; const uint16_t *coeffs_v, *coeffs_h, *coeffs_h_c, *coeffs_v_c; struct rect luma_viewport = {0}; struct rect chroma_viewport = {0}; dce110_xfmv_power_up_line_buffer(xfm); /* 1. Calculate viewport, viewport programming should happen after init * calculations as they may require an adjustment in the viewport. */ calculate_viewport(data, &luma_viewport, &chroma_viewport); /* 2. Program overscan */ program_overscan(xfm_dce, data); /* 3. Program taps and configuration */ is_scaling_required = setup_scaling_configuration(xfm_dce, data); if (is_scaling_required) { /* 4. Calculate and program ratio, filter initialization */ struct sclv_ratios_inits inits = { 0 }; calculate_inits( xfm_dce, data, &inits, &luma_viewport, &chroma_viewport); program_scl_ratios_inits(xfm_dce, &inits); coeffs_v = get_filter_coeffs_64p(data->taps.v_taps, data->ratios.vert); coeffs_h = get_filter_coeffs_64p(data->taps.h_taps, data->ratios.horz); coeffs_v_c = get_filter_coeffs_64p(data->taps.v_taps_c, data->ratios.vert_c); coeffs_h_c = get_filter_coeffs_64p(data->taps.h_taps_c, data->ratios.horz_c); if (coeffs_v != xfm_dce->filter_v || coeffs_v_c != xfm_dce->filter_v_c || coeffs_h != xfm_dce->filter_h || coeffs_h_c != xfm_dce->filter_h_c) { /* 5. Program vertical filters */ program_multi_taps_filter( xfm_dce, data->taps.v_taps, coeffs_v, FILTER_TYPE_RGB_Y_VERTICAL); program_multi_taps_filter( xfm_dce, data->taps.v_taps_c, coeffs_v_c, FILTER_TYPE_CBCR_VERTICAL); /* 6. Program horizontal filters */ program_multi_taps_filter( xfm_dce, data->taps.h_taps, coeffs_h, FILTER_TYPE_RGB_Y_HORIZONTAL); program_multi_taps_filter( xfm_dce, data->taps.h_taps_c, coeffs_h_c, FILTER_TYPE_CBCR_HORIZONTAL); xfm_dce->filter_v = coeffs_v; xfm_dce->filter_v_c = coeffs_v_c; xfm_dce->filter_h = coeffs_h; xfm_dce->filter_h_c = coeffs_h_c; filter_updated = true; } } /* 7. Program the viewport */ program_viewport(xfm_dce, &luma_viewport, &chroma_viewport); /* 8. Set bit to flip to new coefficient memory */ if (filter_updated) set_coeff_update_complete(xfm_dce); } static void dce110_xfmv_reset(struct transform *xfm) { struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm); xfm_dce->filter_h = NULL; xfm_dce->filter_v = NULL; xfm_dce->filter_h_c = NULL; xfm_dce->filter_v_c = NULL; } static void dce110_xfmv_set_gamut_remap( struct transform *xfm, const struct xfm_grph_csc_adjustment *adjust) { /* DO NOTHING*/ } static void dce110_xfmv_set_pixel_storage_depth( struct transform *xfm, enum lb_pixel_depth depth, const struct bit_depth_reduction_params *bit_depth_params) { struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm); int pixel_depth = 0; int expan_mode = 0; uint32_t reg_data = 0; switch (depth) { case LB_PIXEL_DEPTH_18BPP: pixel_depth = 2; expan_mode = 1; break; case LB_PIXEL_DEPTH_24BPP: pixel_depth = 1; expan_mode = 1; break; case LB_PIXEL_DEPTH_30BPP: pixel_depth = 0; expan_mode = 1; break; case LB_PIXEL_DEPTH_36BPP: pixel_depth = 3; expan_mode = 0; break; default: BREAK_TO_DEBUGGER(); break; } set_reg_field_value( reg_data, expan_mode, LBV_DATA_FORMAT, PIXEL_EXPAN_MODE); set_reg_field_value( reg_data, pixel_depth, LBV_DATA_FORMAT, PIXEL_DEPTH); dm_write_reg(xfm->ctx, mmLBV_DATA_FORMAT, reg_data); if (!(xfm_dce->lb_pixel_depth_supported & depth)) { /*we should use unsupported capabilities * unless it is required by w/a*/ DC_LOG_WARNING("%s: Capability not supported", __func__); } } static const struct transform_funcs dce110_xfmv_funcs = { .transform_reset = dce110_xfmv_reset, .transform_set_scaler = dce110_xfmv_set_scaler, .transform_set_gamut_remap = dce110_xfmv_set_gamut_remap, .opp_set_csc_default = dce110_opp_v_set_csc_default, .opp_set_csc_adjustment = dce110_opp_v_set_csc_adjustment, .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut_v, .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl_v, .opp_set_regamma_mode = dce110_opp_set_regamma_mode_v, .transform_set_pixel_storage_depth = dce110_xfmv_set_pixel_storage_depth, .transform_get_optimal_number_of_taps = dce_transform_get_optimal_number_of_taps }; /*****************************************/ /* Constructor, Destructor */ /*****************************************/ bool dce110_transform_v_construct( struct dce_transform *xfm_dce, struct dc_context *ctx) { xfm_dce->base.ctx = ctx; xfm_dce->base.funcs = &dce110_xfmv_funcs; xfm_dce->lb_pixel_depth_supported = LB_PIXEL_DEPTH_18BPP | LB_PIXEL_DEPTH_24BPP | LB_PIXEL_DEPTH_30BPP; xfm_dce->prescaler_on = true; xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY; xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/ return true; }