--- /dev/null
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2022 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 "dcn314_optc.h"
+
+#include "dcn30/dcn30_optc.h"
+#include "dcn31/dcn31_optc.h"
+#include "reg_helper.h"
+#include "dc.h"
+#include "dcn_calc_math.h"
+
+#define REG(reg)\
+ optc1->tg_regs->reg
+
+#define CTX \
+ optc1->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name) \
+ optc1->tg_shift->field_name, optc1->tg_mask->field_name
+
+/*
+ * Enable CRTC
+ * Enable CRTC - call ASIC Control Object to enable Timing generator.
+ */
+
+static void optc314_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt,
+ struct dc_crtc_timing *timing)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+ uint32_t memory_mask = 0;
+ int h_active = timing->h_addressable + timing->h_border_left + timing->h_border_right;
+ int mpcc_hactive = h_active / opp_cnt;
+ /* Each memory instance is 2048x(314x2) bits to support half line of 4096 */
+ int odm_mem_count = (h_active + 2047) / 2048;
+
+ /*
+ * display <= 4k : 2 memories + 2 pipes
+ * 4k < display <= 8k : 4 memories + 2 pipes
+ * 8k < display <= 12k : 6 memories + 4 pipes
+ */
+ if (opp_cnt == 4) {
+ if (odm_mem_count <= 2)
+ memory_mask = 0x3;
+ else if (odm_mem_count <= 4)
+ memory_mask = 0xf;
+ else
+ memory_mask = 0x3f;
+ } else {
+ if (odm_mem_count <= 2)
+ memory_mask = 0x1 << (opp_id[0] * 2) | 0x1 << (opp_id[1] * 2);
+ else if (odm_mem_count <= 4)
+ memory_mask = 0x3 << (opp_id[0] * 2) | 0x3 << (opp_id[1] * 2);
+ else
+ memory_mask = 0x77;
+ }
+
+ REG_SET(OPTC_MEMORY_CONFIG, 0,
+ OPTC_MEM_SEL, memory_mask);
+
+ if (opp_cnt == 2) {
+ REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
+ OPTC_NUM_OF_INPUT_SEGMENT, 1,
+ OPTC_SEG0_SRC_SEL, opp_id[0],
+ OPTC_SEG1_SRC_SEL, opp_id[1]);
+ } else if (opp_cnt == 4) {
+ REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
+ OPTC_NUM_OF_INPUT_SEGMENT, 3,
+ OPTC_SEG0_SRC_SEL, opp_id[0],
+ OPTC_SEG1_SRC_SEL, opp_id[1],
+ OPTC_SEG2_SRC_SEL, opp_id[2],
+ OPTC_SEG3_SRC_SEL, opp_id[3]);
+ }
+
+ REG_UPDATE(OPTC_WIDTH_CONTROL,
+ OPTC_SEGMENT_WIDTH, mpcc_hactive);
+
+ REG_SET(OTG_H_TIMING_CNTL, 0, OTG_H_TIMING_DIV_MODE, opp_cnt - 1);
+ optc1->opp_count = opp_cnt;
+}
+
+static bool optc314_enable_crtc(struct timing_generator *optc)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ /* opp instance for OTG, 1 to 1 mapping and odm will adjust */
+ REG_UPDATE(OPTC_DATA_SOURCE_SELECT,
+ OPTC_SEG0_SRC_SEL, optc->inst);
+
+ /* VTG enable first is for HW workaround */
+ REG_UPDATE(CONTROL,
+ VTG0_ENABLE, 1);
+
+ REG_SEQ_START();
+
+ /* Enable CRTC */
+ REG_UPDATE_2(OTG_CONTROL,
+ OTG_DISABLE_POINT_CNTL, 2,
+ OTG_MASTER_EN, 1);
+
+ REG_SEQ_SUBMIT();
+ REG_SEQ_WAIT_DONE();
+
+ return true;
+}
+
+/* disable_crtc */
+static bool optc314_disable_crtc(struct timing_generator *optc)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ /* disable otg request until end of the first line
+ * in the vertical blank region
+ */
+ REG_UPDATE(OTG_CONTROL,
+ OTG_MASTER_EN, 0);
+
+ REG_UPDATE(CONTROL,
+ VTG0_ENABLE, 0);
+
+ /* CRTC disabled, so disable clock. */
+ REG_WAIT(OTG_CLOCK_CONTROL,
+ OTG_BUSY, 0,
+ 1, 100000);
+
+ return true;
+}
+
+void optc314_phantom_crtc_post_enable(struct timing_generator *optc)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ /* Disable immediately. */
+ REG_UPDATE_2(OTG_CONTROL, OTG_DISABLE_POINT_CNTL, 0, OTG_MASTER_EN, 0);
+
+ /* CRTC disabled, so disable clock. */
+ REG_WAIT(OTG_CLOCK_CONTROL, OTG_BUSY, 0, 1, 100000);
+}
+
+static void optc314_set_odm_bypass(struct timing_generator *optc,
+ const struct dc_crtc_timing *dc_crtc_timing)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+ enum h_timing_div_mode h_div = H_TIMING_NO_DIV;
+
+ REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
+ OPTC_NUM_OF_INPUT_SEGMENT, 0,
+ OPTC_SEG0_SRC_SEL, optc->inst,
+ OPTC_SEG1_SRC_SEL, 0xf,
+ OPTC_SEG2_SRC_SEL, 0xf,
+ OPTC_SEG3_SRC_SEL, 0xf
+ );
+
+ h_div = optc1_is_two_pixels_per_containter(dc_crtc_timing);
+ REG_UPDATE(OTG_H_TIMING_CNTL,
+ OTG_H_TIMING_DIV_MODE, h_div);
+
+ REG_SET(OPTC_MEMORY_CONFIG, 0,
+ OPTC_MEM_SEL, 0);
+ optc1->opp_count = 1;
+}
+
+static void optc314_set_h_timing_div_manual_mode(struct timing_generator *optc, bool manual_mode)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ REG_UPDATE(OTG_H_TIMING_CNTL,
+ OTG_H_TIMING_DIV_MODE_MANUAL, manual_mode ? 1 : 0);
+}
+
+
+static struct timing_generator_funcs dcn314_tg_funcs = {
+ .validate_timing = optc1_validate_timing,
+ .program_timing = optc1_program_timing,
+ .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
+ .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
+ .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
+ .program_global_sync = optc1_program_global_sync,
+ .enable_crtc = optc314_enable_crtc,
+ .disable_crtc = optc314_disable_crtc,
+ .immediate_disable_crtc = optc31_immediate_disable_crtc,
+ .phantom_crtc_post_enable = optc314_phantom_crtc_post_enable,
+ /* used by enable_timing_synchronization. Not need for FPGA */
+ .is_counter_moving = optc1_is_counter_moving,
+ .get_position = optc1_get_position,
+ .get_frame_count = optc1_get_vblank_counter,
+ .get_scanoutpos = optc1_get_crtc_scanoutpos,
+ .get_otg_active_size = optc1_get_otg_active_size,
+ .set_early_control = optc1_set_early_control,
+ /* used by enable_timing_synchronization. Not need for FPGA */
+ .wait_for_state = optc1_wait_for_state,
+ .set_blank_color = optc3_program_blank_color,
+ .did_triggered_reset_occur = optc1_did_triggered_reset_occur,
+ .triplebuffer_lock = optc3_triplebuffer_lock,
+ .triplebuffer_unlock = optc2_triplebuffer_unlock,
+ .enable_reset_trigger = optc1_enable_reset_trigger,
+ .enable_crtc_reset = optc1_enable_crtc_reset,
+ .disable_reset_trigger = optc1_disable_reset_trigger,
+ .lock = optc3_lock,
+ .unlock = optc1_unlock,
+ .lock_doublebuffer_enable = optc3_lock_doublebuffer_enable,
+ .lock_doublebuffer_disable = optc3_lock_doublebuffer_disable,
+ .enable_optc_clock = optc1_enable_optc_clock,
+ .set_drr = optc31_set_drr,
+ .get_last_used_drr_vtotal = optc2_get_last_used_drr_vtotal,
+ .set_vtotal_min_max = optc1_set_vtotal_min_max,
+ .set_static_screen_control = optc1_set_static_screen_control,
+ .program_stereo = optc1_program_stereo,
+ .is_stereo_left_eye = optc1_is_stereo_left_eye,
+ .tg_init = optc3_tg_init,
+ .is_tg_enabled = optc1_is_tg_enabled,
+ .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
+ .clear_optc_underflow = optc1_clear_optc_underflow,
+ .setup_global_swap_lock = NULL,
+ .get_crc = optc1_get_crc,
+ .configure_crc = optc2_configure_crc,
+ .set_dsc_config = optc3_set_dsc_config,
+ .get_dsc_status = optc2_get_dsc_status,
+ .set_dwb_source = NULL,
+ .set_odm_bypass = optc3_set_odm_bypass,
+ .set_odm_combine = optc314_set_odm_combine,
+ .get_optc_source = optc2_get_optc_source,
+ .set_out_mux = optc3_set_out_mux,
+ .set_drr_trigger_window = optc3_set_drr_trigger_window,
+ .set_vtotal_change_limit = optc3_set_vtotal_change_limit,
+ .set_gsl = optc2_set_gsl,
+ .set_gsl_source_select = optc2_set_gsl_source_select,
+ .set_vtg_params = optc1_set_vtg_params,
+ .program_manual_trigger = optc2_program_manual_trigger,
+ .setup_manual_trigger = optc2_setup_manual_trigger,
+ .get_hw_timing = optc1_get_hw_timing,
+ .init_odm = optc3_init_odm,
+ .set_odm_bypass = optc314_set_odm_bypass,
+ .set_odm_combine = optc314_set_odm_combine,
+ .set_h_timing_div_manual_mode = optc314_set_h_timing_div_manual_mode,
+};
+
+void dcn314_timing_generator_init(struct optc *optc1)
+{
+ optc1->base.funcs = &dcn314_tg_funcs;
+
+ optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
+ optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
+
+ optc1->min_h_blank = 32;
+ optc1->min_v_blank = 3;
+ optc1->min_v_blank_interlace = 5;
+ optc1->min_h_sync_width = 4;
+ optc1->min_v_sync_width = 1;
+}
+
projects / linux-2.6-microblaze.git / blobdiff