diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c new file mode 100644 index 000000000000..c38c85c8e3b9 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c @@ -0,0 +1,440 @@ +/* + * 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 "dc_bios_types.h" +#include "dcn20_stream_encoder.h" +#include "reg_helper.h" +#include "hw_shared.h" + +#define DC_LOGGER \ + enc1->base.ctx->logger + + +#define REG(reg)\ + (enc1->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + enc1->se_shift->field_name, enc1->se_mask->field_name + + +#define CTX \ + enc1->base.ctx + + +static void enc2_update_hdmi_info_packet( + struct dcn10_stream_encoder *enc1, + uint32_t packet_index, + const struct dc_info_packet *info_packet) +{ + uint32_t cont, send, line; + + if (info_packet->valid) { + enc1_update_generic_info_packet( + enc1, + packet_index, + info_packet); + + /* enable transmission of packet(s) - + * packet transmission begins on the next frame */ + cont = 1; + /* send packet(s) every frame */ + send = 1; + /* select line number to send packets on */ + line = 2; + } else { + cont = 0; + send = 0; + line = 0; + } + + /* DP_SEC_GSP[x]_LINE_REFERENCE - keep default value REFER_TO_DP_SOF */ + + /* choose which generic packet control to use */ + switch (packet_index) { + case 0: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC0_CONT, cont, + HDMI_GENERIC0_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL1, + HDMI_GENERIC0_LINE, line); + break; + case 1: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC1_CONT, cont, + HDMI_GENERIC1_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL1, + HDMI_GENERIC1_LINE, line); + break; + case 2: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC2_CONT, cont, + HDMI_GENERIC2_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL2, + HDMI_GENERIC2_LINE, line); + break; + case 3: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC3_CONT, cont, + HDMI_GENERIC3_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL2, + HDMI_GENERIC3_LINE, line); + break; + case 4: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC4_CONT, cont, + HDMI_GENERIC4_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL3, + HDMI_GENERIC4_LINE, line); + break; + case 5: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC5_CONT, cont, + HDMI_GENERIC5_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL3, + HDMI_GENERIC5_LINE, line); + break; + case 6: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC6_CONT, cont, + HDMI_GENERIC6_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL4, + HDMI_GENERIC6_LINE, line); + break; + case 7: + REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0, + HDMI_GENERIC7_CONT, cont, + HDMI_GENERIC7_SEND, send); + REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL4, + HDMI_GENERIC7_LINE, line); + break; + default: + /* invalid HW packet index */ + DC_LOG_WARNING( + "Invalid HW packet index: %s()\n", + __func__); + return; + } +} + +static void enc2_stream_encoder_update_hdmi_info_packets( + struct stream_encoder *enc, + const struct encoder_info_frame *info_frame) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + /* for bring up, disable dp double TODO */ + REG_UPDATE(HDMI_DB_CONTROL, HDMI_DB_DISABLE, 1); + + /*Always add mandatory packets first followed by optional ones*/ + enc2_update_hdmi_info_packet(enc1, 0, &info_frame->avi); + enc2_update_hdmi_info_packet(enc1, 5, &info_frame->hfvsif); + enc2_update_hdmi_info_packet(enc1, 2, &info_frame->gamut); + enc2_update_hdmi_info_packet(enc1, 1, &info_frame->vendor); + enc2_update_hdmi_info_packet(enc1, 3, &info_frame->spd); + enc2_update_hdmi_info_packet(enc1, 4, &info_frame->hdrsmd); +} + +static void enc2_stream_encoder_stop_hdmi_info_packets( + struct stream_encoder *enc) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + /* stop generic packets 0,1 on HDMI */ + REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0, + HDMI_GENERIC0_CONT, 0, + HDMI_GENERIC0_SEND, 0, + HDMI_GENERIC1_CONT, 0, + HDMI_GENERIC1_SEND, 0); + REG_SET_2(HDMI_GENERIC_PACKET_CONTROL1, 0, + HDMI_GENERIC0_LINE, 0, + HDMI_GENERIC1_LINE, 0); + + /* stop generic packets 2,3 on HDMI */ + REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0, + HDMI_GENERIC2_CONT, 0, + HDMI_GENERIC2_SEND, 0, + HDMI_GENERIC3_CONT, 0, + HDMI_GENERIC3_SEND, 0); + REG_SET_2(HDMI_GENERIC_PACKET_CONTROL2, 0, + HDMI_GENERIC2_LINE, 0, + HDMI_GENERIC3_LINE, 0); + + /* stop generic packets 4,5 on HDMI */ + REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0, + HDMI_GENERIC4_CONT, 0, + HDMI_GENERIC4_SEND, 0, + HDMI_GENERIC5_CONT, 0, + HDMI_GENERIC5_SEND, 0); + REG_SET_2(HDMI_GENERIC_PACKET_CONTROL3, 0, + HDMI_GENERIC4_LINE, 0, + HDMI_GENERIC5_LINE, 0); + + /* stop generic packets 6,7 on HDMI */ + REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0, + HDMI_GENERIC6_CONT, 0, + HDMI_GENERIC6_SEND, 0, + HDMI_GENERIC7_CONT, 0, + HDMI_GENERIC7_SEND, 0); + REG_SET_2(HDMI_GENERIC_PACKET_CONTROL4, 0, + HDMI_GENERIC6_LINE, 0, + HDMI_GENERIC7_LINE, 0); +} + + + +/* Set Dynamic Metadata-configuration. + * enable_dme: TRUE: enables Dynamic Metadata Enfine, FALSE: disables DME + * hubp_requestor_id: HUBP physical instance that is the source of dynamic metadata + * only needs to be set when enable_dme is TRUE + * dmdata_mode: dynamic metadata packet type: DP, HDMI, or Dolby Vision + * + * Ensure the OTG master update lock is set when changing DME configuration. + */ +static void enc2_set_dynamic_metadata(struct stream_encoder *enc, + bool enable_dme, + uint32_t hubp_requestor_id, + enum dynamic_metadata_mode dmdata_mode) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + if (enable_dme) { + REG_UPDATE_2(DME_CONTROL, + METADATA_HUBP_REQUESTOR_ID, hubp_requestor_id, + METADATA_STREAM_TYPE, (dmdata_mode == dmdata_dolby_vision) ? 1 : 0); + + /* Use default line reference DP_SOF for bringup. + * Should use OTG_SOF for DRR cases + */ + if (dmdata_mode == dmdata_dp) + REG_UPDATE_3(DP_SEC_METADATA_TRANSMISSION, + DP_SEC_METADATA_PACKET_ENABLE, 1, + DP_SEC_METADATA_PACKET_LINE_REFERENCE, 0, + DP_SEC_METADATA_PACKET_LINE, 20); + else { + REG_UPDATE_3(HDMI_METADATA_PACKET_CONTROL, + HDMI_METADATA_PACKET_ENABLE, 1, + HDMI_METADATA_PACKET_LINE_REFERENCE, 0, + HDMI_METADATA_PACKET_LINE, 2); + + if (dmdata_mode == dmdata_dolby_vision) + REG_UPDATE(DIG_FE_CNTL, + DOLBY_VISION_EN, 1); + } + + REG_UPDATE(DME_CONTROL, + METADATA_ENGINE_EN, 1); + } else { + REG_UPDATE(DME_CONTROL, + METADATA_ENGINE_EN, 0); + + if (dmdata_mode == dmdata_dp) + REG_UPDATE(DP_SEC_METADATA_TRANSMISSION, + DP_SEC_METADATA_PACKET_ENABLE, 0); + else { + REG_UPDATE(HDMI_METADATA_PACKET_CONTROL, + HDMI_METADATA_PACKET_ENABLE, 0); + REG_UPDATE(DIG_FE_CNTL, + DOLBY_VISION_EN, 0); + } + } +} + +static void enc2_stream_encoder_update_dp_info_packets( + struct stream_encoder *enc, + const struct encoder_info_frame *info_frame) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + uint32_t dmdata_packet_enabled = 0; + + enc1_stream_encoder_update_dp_info_packets(enc, info_frame); + + /* check if dynamic metadata packet transmission is enabled */ + REG_GET(DP_SEC_METADATA_TRANSMISSION, + DP_SEC_METADATA_PACKET_ENABLE, &dmdata_packet_enabled); + + if (dmdata_packet_enabled) + REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1); +} + +static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing) +{ + bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420; + + return two_pix; +} + +static void enc2_stream_encoder_dp_unblank( + struct stream_encoder *enc, + const struct encoder_unblank_param *param) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + if (param->link_settings.link_rate != LINK_RATE_UNKNOWN) { + uint32_t n_vid = 0x8000; + uint32_t m_vid; + uint32_t n_multiply = 0; + uint64_t m_vid_l = n_vid; + + /* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */ + if (is_two_pixels_per_containter(¶m->timing) || param->odm) { + /*this logic should be the same in get_pixel_clock_parameters() */ + n_multiply = 1; + } + /* M / N = Fstream / Flink + * m_vid / n_vid = pixel rate / link rate + */ + + m_vid_l *= param->timing.pix_clk_100hz / 10; + m_vid_l = div_u64(m_vid_l, + param->link_settings.link_rate + * LINK_RATE_REF_FREQ_IN_KHZ); + + m_vid = (uint32_t) m_vid_l; + + /* enable auto measurement */ + + REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 0); + + /* auto measurement need 1 full 0x8000 symbol cycle to kick in, + * therefore program initial value for Mvid and Nvid + */ + + REG_UPDATE(DP_VID_N, DP_VID_N, n_vid); + + REG_UPDATE(DP_VID_M, DP_VID_M, m_vid); + + REG_UPDATE_2(DP_VID_TIMING, + DP_VID_M_N_GEN_EN, 1, + DP_VID_N_MUL, n_multiply); + } + + /* set DIG_START to 0x1 to reset FIFO */ + + REG_UPDATE(DIG_FE_CNTL, DIG_START, 1); + + /* write 0 to take the FIFO out of reset */ + + REG_UPDATE(DIG_FE_CNTL, DIG_START, 0); + + /* switch DP encoder to CRTC data */ + + REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 0); + + /* wait 100us for DIG/DP logic to prime + * (i.e. a few video lines) + */ + udelay(100); + + /* the hardware would start sending video at the start of the next DP + * frame (i.e. rising edge of the vblank). + * NOTE: We used to program DP_VID_STREAM_DIS_DEFER = 2 here, but this + * register has no effect on enable transition! HW always guarantees + * VID_STREAM enable at start of next frame, and this is not + * programmable + */ + + REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true); +} + +static void enc2_dp_set_odm_combine( + struct stream_encoder *enc, + bool odm_combine) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_COMBINE, odm_combine); +} + +static void enc2_stream_encoder_dp_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing, + enum dc_color_space output_color_space, + uint32_t enable_sdp_splitting) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + + enc1_stream_encoder_dp_set_stream_attribute(enc, crtc_timing, output_color_space, enable_sdp_splitting); + + REG_UPDATE(DP_SEC_FRAMING4, + DP_SST_SDP_SPLITTING, enable_sdp_splitting); +} + +static const struct stream_encoder_funcs dcn20_str_enc_funcs = { + .dp_set_odm_combine = + enc2_dp_set_odm_combine, + .dp_set_stream_attribute = + enc2_stream_encoder_dp_set_stream_attribute, + .hdmi_set_stream_attribute = + enc1_stream_encoder_hdmi_set_stream_attribute, + .dvi_set_stream_attribute = + enc1_stream_encoder_dvi_set_stream_attribute, + .set_mst_bandwidth = + enc1_stream_encoder_set_mst_bandwidth, + .update_hdmi_info_packets = + enc2_stream_encoder_update_hdmi_info_packets, + .stop_hdmi_info_packets = + enc2_stream_encoder_stop_hdmi_info_packets, + .update_dp_info_packets = + enc2_stream_encoder_update_dp_info_packets, + .stop_dp_info_packets = + enc1_stream_encoder_stop_dp_info_packets, + .dp_blank = + enc1_stream_encoder_dp_blank, + .dp_unblank = + enc2_stream_encoder_dp_unblank, + .audio_mute_control = enc1_se_audio_mute_control, + + .dp_audio_setup = enc1_se_dp_audio_setup, + .dp_audio_enable = enc1_se_dp_audio_enable, + .dp_audio_disable = enc1_se_dp_audio_disable, + + .hdmi_audio_setup = enc1_se_hdmi_audio_setup, + .hdmi_audio_disable = enc1_se_hdmi_audio_disable, + .setup_stereo_sync = enc1_setup_stereo_sync, + .set_avmute = enc1_stream_encoder_set_avmute, + .dig_connect_to_otg = enc1_dig_connect_to_otg, + + .set_dynamic_metadata = enc2_set_dynamic_metadata, +}; + +void dcn20_stream_encoder_construct( + struct dcn10_stream_encoder *enc1, + struct dc_context *ctx, + struct dc_bios *bp, + enum engine_id eng_id, + const struct dcn10_stream_enc_registers *regs, + const struct dcn10_stream_encoder_shift *se_shift, + const struct dcn10_stream_encoder_mask *se_mask) +{ + enc1->base.funcs = &dcn20_str_enc_funcs; + enc1->base.ctx = ctx; + enc1->base.id = eng_id; + enc1->base.bp = bp; + enc1->regs = regs; + enc1->se_shift = se_shift; + enc1->se_mask = se_mask; +} + |