diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c new file mode 100644 index 000000000000..730875dfd8b4 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c @@ -0,0 +1,203 @@ +/* + * 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 "dcn201_optc.h" +#include "dcn10/dcn10_optc.h" +#include "dc.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 + +/*TEMP: Need to figure out inheritance model here.*/ +bool optc201_is_two_pixels_per_containter(const struct dc_crtc_timing *timing) +{ + return optc1_is_two_pixels_per_containter(timing); +} + +static void optc201_triplebuffer_lock(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_GLOBAL_CONTROL0, 0, + OTG_MASTER_UPDATE_LOCK_SEL, optc->inst); + REG_SET(OTG_VUPDATE_KEEPOUT, 0, + OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1); + REG_SET(OTG_MASTER_UPDATE_LOCK, 0, + OTG_MASTER_UPDATE_LOCK, 1); + + if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS) + REG_WAIT(OTG_MASTER_UPDATE_LOCK, + UPDATE_LOCK_STATUS, 1, + 1, 10); +} + +static void optc201_triplebuffer_unlock(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_MASTER_UPDATE_LOCK, 0, + OTG_MASTER_UPDATE_LOCK, 0); + REG_SET(OTG_VUPDATE_KEEPOUT, 0, + OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 0); + +} + +static bool optc201_validate_timing( + struct timing_generator *optc, + const struct dc_crtc_timing *timing) +{ + uint32_t v_blank; + uint32_t h_blank; + uint32_t min_v_blank; + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + ASSERT(timing != NULL); + + v_blank = (timing->v_total - timing->v_addressable - + timing->v_border_top - timing->v_border_bottom); + + h_blank = (timing->h_total - timing->h_addressable - + timing->h_border_right - + timing->h_border_left); + + if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE && + timing->timing_3d_format != TIMING_3D_FORMAT_HW_FRAME_PACKING && + timing->timing_3d_format != TIMING_3D_FORMAT_TOP_AND_BOTTOM && + timing->timing_3d_format != TIMING_3D_FORMAT_SIDE_BY_SIDE && + timing->timing_3d_format != TIMING_3D_FORMAT_FRAME_ALTERNATE && + timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA) + return false; + + /* Check maximum number of pixels supported by Timing Generator + * (Currently will never fail, in order to fail needs display which + * needs more than 8192 horizontal and + * more than 8192 vertical total pixels) + */ + if (timing->h_total > optc1->max_h_total || + timing->v_total > optc1->max_v_total) + return false; + + if (h_blank < optc1->min_h_blank) + return false; + + if (timing->h_sync_width < optc1->min_h_sync_width || + timing->v_sync_width < optc1->min_v_sync_width) + return false; + + min_v_blank = timing->flags.INTERLACE?optc1->min_v_blank_interlace:optc1->min_v_blank; + + if (v_blank < min_v_blank) + return false; + + return true; + +} + +static void optc201_get_optc_source(struct timing_generator *optc, + uint32_t *num_of_src_opp, + uint32_t *src_opp_id_0, + uint32_t *src_opp_id_1) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_GET(OPTC_DATA_SOURCE_SELECT, + OPTC_SEG0_SRC_SEL, src_opp_id_0); + + *num_of_src_opp = 1; +} + +static struct timing_generator_funcs dcn201_tg_funcs = { + .validate_timing = optc201_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 = optc2_enable_crtc, + .disable_crtc = optc1_disable_crtc, + /* 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 = optc1_set_blank, + .is_blanked = optc1_is_blanked, + .set_blank_color = optc1_program_blank_color, + .did_triggered_reset_occur = optc1_did_triggered_reset_occur, + .enable_reset_trigger = optc1_enable_reset_trigger, + .enable_crtc_reset = optc1_enable_crtc_reset, + .disable_reset_trigger = optc1_disable_reset_trigger, + .triplebuffer_lock = optc201_triplebuffer_lock, + .triplebuffer_unlock = optc201_triplebuffer_unlock, + .lock = optc1_lock, + .unlock = optc1_unlock, + .enable_optc_clock = optc1_enable_optc_clock, + .set_drr = optc1_set_drr, + .get_last_used_drr_vtotal = NULL, + .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, + .set_blank_data_double_buffer = optc1_set_blank_data_double_buffer, + .tg_init = optc1_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, + .get_crc = optc1_get_crc, + .configure_crc = optc2_configure_crc, + .set_dsc_config = optc2_set_dsc_config, + .set_dwb_source = NULL, + .get_optc_source = optc201_get_optc_source, + .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, +}; + +void dcn201_timing_generator_init(struct optc *optc1) +{ + optc1->base.funcs = &dcn201_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 = 8; + optc1->min_v_sync_width = 1; +} |