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initial commit, add dds_par module

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josh
2024-01-15 09:36:08 +08:00
commit 315a673005
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adi_library/axi_spdif_tx/Makefile
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####################################################################################
## Copyright (c) 2018 - 2023 Analog Devices, Inc.
### SPDX short identifier: BSD-1-Clause
## Auto-generated, do not modify!
####################################################################################
LIBRARY_NAME := axi_spdif_tx
GENERIC_DEPS += ../common/axi_ctrlif.vhd
GENERIC_DEPS += ../common/axi_streaming_dma_tx_fifo.vhd
GENERIC_DEPS += ../common/dma_fifo.vhd
GENERIC_DEPS += ../common/pl330_dma_fifo.vhd
GENERIC_DEPS += axi_spdif_tx.vhd
GENERIC_DEPS += tx_encoder.vhd
GENERIC_DEPS += tx_package.vhd
XILINX_DEPS += axi_spdif_tx_constr.xdc
XILINX_DEPS += axi_spdif_tx_ip.tcl
include ../scripts/library.mk
adi_library/axi_spdif_tx/axi_spdif_tx.vhd
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-- ***************************************************************************
-- ***************************************************************************
-- Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved.
--
-- In this HDL repository, there are many different and unique modules, consisting
-- of various HDL (Verilog or VHDL) components. The individual modules are
-- developed independently, and may be accompanied by separate and unique license
-- terms.
--
-- The user should read each of these license terms, and understand the
-- freedoms and responsibilities that he or she has by using this source/core.
--
-- This core is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-- A PARTICULAR PURPOSE.
--
-- Redistribution and use of source or resulting binaries, with or without modification
-- of this file, are permitted under one of the following two license terms:
--
-- 1. The GNU General Public License version 2 as published by the
-- Free Software Foundation, which can be found in the top level directory
-- of this repository (LICENSE_GPL2), and also online at:
-- <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
--
-- OR
--
-- 2. An ADI specific BSD license, which can be found in the top level directory
-- of this repository (LICENSE_ADIBSD), and also on-line at:
-- https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD
-- This will allow to generate bit files and not release the source code,
-- as long as it attaches to an ADI device.
--
-- ***************************************************************************
-- ***************************************************************************
library ieee;
use ieee.std_logic_1164.all;
library work;
use work.tx_package.all;
use work.axi_ctrlif;
use work.axi_streaming_dma_tx_fifo;
use work.pl330_dma_fifo;
entity axi_spdif_tx is
generic (
S_AXI_DATA_WIDTH : integer := 32;
S_AXI_ADDRESS_WIDTH : integer := 32;
DEVICE_FAMILY : string := "virtex6";
DMA_TYPE : integer := 0
);
port (
--SPDIF ports
spdif_data_clk : in std_logic;
spdif_tx_o : out std_logic;
--AXI Lite interface
s_axi_aclk : in std_logic;
s_axi_aresetn : in std_logic;
s_axi_awaddr : in std_logic_vector(S_AXI_ADDRESS_WIDTH-1 downto 0);
s_axi_awprot : in std_logic_vector(2 downto 0);
s_axi_awvalid : in std_logic;
s_axi_wdata : in std_logic_vector(S_AXI_DATA_WIDTH-1 downto 0);
s_axi_wstrb : in std_logic_vector((S_AXI_DATA_WIDTH/8)-1 downto 0);
s_axi_wvalid : in std_logic;
s_axi_bready : in std_logic;
s_axi_araddr : in std_logic_vector(S_AXI_ADDRESS_WIDTH-1 downto 0);
s_axi_arprot : in std_logic_vector(2 downto 0);
s_axi_arvalid : in std_logic;
s_axi_rready : in std_logic;
s_axi_arready : out std_logic;
s_axi_rdata : out std_logic_vector(S_AXI_DATA_WIDTH-1 downto 0);
s_axi_rresp : out std_logic_vector(1 downto 0);
s_axi_rvalid : out std_logic;
s_axi_wready : out std_logic;
s_axi_bresp : out std_logic_vector(1 downto 0);
s_axi_bvalid : out std_logic;
s_axi_awready : out std_logic;
--axi streaming interface
s_axis_aclk : in std_logic;
s_axis_aresetn : in std_logic;
s_axis_tready : out std_logic;
s_axis_tdata : in std_logic_vector(31 downto 0);
s_axis_tlast : in std_logic;
s_axis_tvalid : in std_logic;
--PL330 DMA interface
dma_req_aclk : in std_logic;
dma_req_rstn : in std_logic;
dma_req_davalid : in std_logic;
dma_req_datype : in std_logic_vector(1 downto 0);
dma_req_daready : out std_logic;
dma_req_drvalid : out std_logic;
dma_req_drtype : out std_logic_vector(1 downto 0);
dma_req_drlast : out std_logic;
dma_req_drready : in std_logic
);
end entity axi_spdif_tx;
------------------------------------------------------------------------------
-- Architecture section
------------------------------------------------------------------------------
architecture IMP of axi_spdif_tx is
------------------------------------------
-- SPDIF signals
------------------------------------------
signal config_reg : std_logic_vector(S_AXI_DATA_WIDTH-1 downto 0);
signal chstatus_reg : std_logic_vector(S_AXI_DATA_WIDTH-1 downto 0);
signal chstat_freq : std_logic_vector(1 downto 0);
signal chstat_gstat, chstat_preem, chstat_copy, chstat_audio : std_logic;
signal sample_data_ack : std_logic;
signal sample_data: std_logic_vector(15 downto 0);
signal conf_mode : std_logic_vector(3 downto 0);
signal conf_ratio : std_logic_vector(7 downto 0);
signal conf_tinten, conf_txdata, conf_txen : std_logic;
signal channel : std_logic;
signal enable : boolean;
signal fifo_data_out : std_logic_vector(31 downto 0);
signal fifo_data_ack : std_logic;
signal fifo_reset : std_logic;
signal tx_fifo_stb : std_logic;
-- Register access
signal wr_data : std_logic_vector(31 downto 0);
signal rd_data : std_logic_vector(31 downto 0);
signal wr_addr : integer range 0 to 3;
signal rd_addr : integer range 0 to 3;
signal wr_stb : std_logic;
signal rd_ack : std_logic;
begin
fifo_reset <= not conf_txdata;
enable <= conf_txdata = '1';
fifo_data_ack <= channel and sample_data_ack;
streaming_dma_gen: if DMA_TYPE = 0 generate
fifo: entity axi_streaming_dma_tx_fifo
generic map (
RAM_ADDR_WIDTH => 3,
FIFO_DWIDTH => 32
)
port map (
clk => s_axi_aclk,
resetn => s_axi_aresetn,
fifo_reset => fifo_reset,
enable => enable,
s_axis_aclk => s_axis_aclk,
s_axis_tready => s_axis_tready,
s_axis_tdata => s_axis_tdata,
s_axis_tvalid => s_axis_tlast,
s_axis_tlast => s_axis_tvalid,
out_ack => fifo_data_ack,
out_data => fifo_data_out
);
end generate;
no_streaming_dma_gen: if DMA_TYPE /= 0 generate
s_axis_tready <= '0';
end generate;
pl330_dma_gen: if DMA_TYPE = 1 generate
tx_fifo_stb <= '1' when wr_addr = 3 and wr_stb = '1' else '0';
fifo: entity pl330_dma_fifo
generic map(
RAM_ADDR_WIDTH => 3,
FIFO_DWIDTH => 32,
FIFO_DIRECTION => 0
)
port map (
clk => s_axi_aclk,
resetn => s_axi_aresetn,
fifo_reset => fifo_reset,
enable => enable,
in_data => wr_data,
in_stb => tx_fifo_stb,
out_ack => fifo_data_ack,
out_data => fifo_data_out,
dclk => dma_req_aclk,
dresetn => dma_req_rstn,
davalid => dma_req_davalid,
daready => dma_req_daready,
datype => dma_req_datype,
drvalid => dma_req_drvalid,
drready => dma_req_drreadY,
drtype => dma_req_drtype,
drlast => dma_req_drlast
);
end generate;
no_pl330_dma_gen: if DMA_TYPE /= 1 generate
dma_req_daready <= '0';
dma_req_drvalid <= '0';
dma_req_drtype <= (others => '0');
dma_req_drlast <= '0';
end generate;
sample_data_mux: process (fifo_data_out, channel) is
begin
if channel = '0' then
sample_data <= fifo_data_out(15 downto 0);
else
sample_data <= fifo_data_out(31 downto 16);
end if;
end process;
-- Configuration signals update
conf_mode(3 downto 0) <= config_reg(23 downto 20);
conf_ratio(7 downto 0) <= config_reg(15 downto 8);
conf_tinten <= config_reg(2);
conf_txdata <= config_reg(1);
conf_txen <= config_reg(0);
-- Channel status signals update
chstat_freq(1 downto 0) <= chstatus_reg(7 downto 6);
chstat_gstat <= chstatus_reg(3);
chstat_preem <= chstatus_reg(2);
chstat_copy <= chstatus_reg(1);
chstat_audio <= chstatus_reg(0);
-- Transmit encoder
TENC: tx_encoder
generic map (
DATA_WIDTH => 16
)
port map (
up_clk => s_axi_aclk,
data_clk => spdif_data_clk, -- data clock
resetn => s_axi_aresetn, -- resetn
conf_mode => conf_mode, -- sample format
conf_ratio => conf_ratio, -- clock divider
conf_txdata => conf_txdata, -- sample data enable
conf_txen => conf_txen, -- spdif signal enable
chstat_freq => chstat_freq, -- sample freq.
chstat_gstat => chstat_gstat, -- generation status
chstat_preem => chstat_preem, -- preemphasis status
chstat_copy => chstat_copy, -- copyright bit
chstat_audio => chstat_audio, -- data format
sample_data => sample_data, -- audio data
sample_data_ack => sample_data_ack, -- sample buffer read
channel => channel, -- which channel should be read
spdif_tx_o => spdif_tx_o -- SPDIF output signal
);
ctrlif: entity axi_ctrlif
generic map (
C_S_AXI_ADDR_WIDTH => S_AXI_ADDRESS_WIDTH,
C_S_AXI_DATA_WIDTH => S_AXI_DATA_WIDTH,
C_NUM_REG => 4
)
port map(
s_axi_aclk => s_axi_aclk,
s_axi_aresetn => s_axi_aresetn,
s_axi_awaddr => s_axi_awaddr,
s_axi_awvalid => s_axi_awvalid,
s_axi_wdata => s_axi_wdata,
s_axi_wstrb => s_axi_wstrb,
s_axi_wvalid => s_axi_wvalid,
s_axi_bready => s_axi_bready,
s_axi_araddr => s_axi_araddr,
s_axi_arvalid => s_axi_arvalid,
s_axi_rready => s_axi_rready,
s_axi_arready => s_axi_arready,
s_axi_rdata => s_axi_rdata,
s_axi_rresp => s_axi_rresp,
s_axi_rvalid => s_axi_rvalid,
s_axi_wready => s_axi_wready,
s_axi_bresp => s_axi_bresp,
s_axi_bvalid => s_axi_bvalid,
s_axi_awready => s_axi_awready,
rd_addr => rd_addr,
rd_data => rd_data,
rd_ack => rd_ack,
rd_stb => '1',
wr_addr => wr_addr,
wr_data => wr_data,
wr_ack => '1',
wr_stb => wr_stb
);
process (s_axi_aclk)
begin
if rising_edge(s_axi_aclk) then
if s_axi_aresetn = '0' then
config_reg <= (others => '0');
chstatus_reg <= (others => '0');
else
if wr_stb = '1' then
case wr_addr is
when 0 => config_reg <= wr_data;
when 1 => chstatus_reg <= wr_data;
when others => null;
end case;
end if;
end if;
end if;
end process;
process (rd_addr, config_reg, chstatus_reg)
begin
case rd_addr is
when 0 => rd_data <= config_reg;
when 1 => rd_data <= chstatus_reg;
when others => rd_data <= (others => '0');
end case;
end process;
end IMP;
adi_library/axi_spdif_tx/axi_spdif_tx.xpr
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<?xml version="1.0" encoding="UTF-8"?>
<!-- Product Version: Vivado v2023.2.1 (64-bit) -->
<!-- -->
<!-- Copyright 1986-2022 Xilinx, Inc. All Rights Reserved. -->
<!-- Copyright 2022-2023 Advanced Micro Devices, Inc. All Rights Reserved. -->
<Project Product="Vivado" Version="7" Minor="65" Path="/home/josh/tmp/hdl/library/axi_spdif_tx/axi_spdif_tx.xpr">
<DefaultLaunch Dir="$PRUNDIR"/>
<Configuration>
<Option Name="Id" Val="60db57f3ebdd4958a335b1908c08b8ae"/>
<Option Name="Part" Val="xc7vx485tffg1157-1"/>
<Option Name="CompiledLibDir" Val="$PCACHEDIR/compile_simlib"/>
<Option Name="CompiledLibDirXSim" Val=""/>
<Option Name="CompiledLibDirModelSim" Val="$PCACHEDIR/compile_simlib/modelsim"/>
<Option Name="CompiledLibDirQuesta" Val="$PCACHEDIR/compile_simlib/questa"/>
<Option Name="CompiledLibDirXcelium" Val="$PCACHEDIR/compile_simlib/xcelium"/>
<Option Name="CompiledLibDirVCS" Val="$PCACHEDIR/compile_simlib/vcs"/>
<Option Name="CompiledLibDirRiviera" Val="$PCACHEDIR/compile_simlib/riviera"/>
<Option Name="CompiledLibDirActivehdl" Val="$PCACHEDIR/compile_simlib/activehdl"/>
<Option Name="SimulatorInstallDirModelSim" Val=""/>
<Option Name="SimulatorInstallDirQuesta" Val=""/>
<Option Name="SimulatorInstallDirXcelium" Val=""/>
<Option Name="SimulatorInstallDirVCS" Val=""/>
<Option Name="SimulatorInstallDirRiviera" Val=""/>
<Option Name="SimulatorInstallDirActiveHdl" Val=""/>
<Option Name="SimulatorGccInstallDirModelSim" Val=""/>
<Option Name="SimulatorGccInstallDirQuesta" Val=""/>
<Option Name="SimulatorGccInstallDirXcelium" Val=""/>
<Option Name="SimulatorGccInstallDirVCS" Val=""/>
<Option Name="SimulatorGccInstallDirRiviera" Val=""/>
<Option Name="SimulatorGccInstallDirActiveHdl" Val=""/>
<Option Name="SimulatorVersionXsim" Val="2023.2"/>
<Option Name="SimulatorVersionModelSim" Val="2023.2"/>
<Option Name="SimulatorVersionQuesta" Val="2023.2"/>
<Option Name="SimulatorVersionXcelium" Val="23.03.002"/>
<Option Name="SimulatorVersionVCS" Val="U-2023.03-1"/>
<Option Name="SimulatorVersionRiviera" Val="2022.10"/>
<Option Name="SimulatorVersionActiveHdl" Val="14.1"/>
<Option Name="SimulatorGccVersionXsim" Val="9.3.0"/>
<Option Name="SimulatorGccVersionModelSim" Val="7.4.0"/>
<Option Name="SimulatorGccVersionQuesta" Val="7.4.0"/>
<Option Name="SimulatorGccVersionXcelium" Val="9.3.0"/>
<Option Name="SimulatorGccVersionVCS" Val="9.2.0"/>
<Option Name="SimulatorGccVersionRiviera" Val="9.3.0"/>
<Option Name="SimulatorGccVersionActiveHdl" Val="9.3.0"/>
<Option Name="BoardPart" Val=""/>
<Option Name="ActiveSimSet" Val="sim_1"/>
<Option Name="DefaultLib" Val="xil_defaultlib"/>
<Option Name="ProjectType" Val="Default"/>
<Option Name="IPRepoPath" Val="$PPRDIR/../../library"/>
<Option Name="IPOutputRepo" Val="$PCACHEDIR/ip"/>
<Option Name="IPDefaultOutputPath" Val="$PGENDIR/sources_1"/>
<Option Name="IPCachePermission" Val="read"/>
<Option Name="IPCachePermission" Val="write"/>
<Option Name="EnableCoreContainer" Val="FALSE"/>
<Option Name="EnableResourceEstimation" Val="FALSE"/>
<Option Name="SimCompileState" Val="TRUE"/>
<Option Name="CreateRefXciForCoreContainers" Val="FALSE"/>
<Option Name="IPUserFilesDir" Val="$PIPUSERFILESDIR"/>
<Option Name="IPStaticSourceDir" Val="$PIPUSERFILESDIR/ipstatic"/>
<Option Name="EnableBDX" Val="FALSE"/>
<Option Name="FeatureSet" Val="FeatureSet_Classic"/>
<Option Name="WTXSimLaunchSim" Val="0"/>
<Option Name="WTModelSimLaunchSim" Val="0"/>
<Option Name="WTQuestaLaunchSim" Val="0"/>
<Option Name="WTIesLaunchSim" Val="0"/>
<Option Name="WTVcsLaunchSim" Val="0"/>
<Option Name="WTRivieraLaunchSim" Val="0"/>
<Option Name="WTActivehdlLaunchSim" Val="0"/>
<Option Name="WTXSimExportSim" Val="0"/>
<Option Name="WTModelSimExportSim" Val="0"/>
<Option Name="WTQuestaExportSim" Val="0"/>
<Option Name="WTIesExportSim" Val="0"/>
<Option Name="WTVcsExportSim" Val="0"/>
<Option Name="WTRivieraExportSim" Val="0"/>
<Option Name="WTActivehdlExportSim" Val="0"/>
<Option Name="GenerateIPUpgradeLog" Val="TRUE"/>
<Option Name="XSimRadix" Val="hex"/>
<Option Name="XSimTimeUnit" Val="ns"/>
<Option Name="XSimArrayDisplayLimit" Val="1024"/>
<Option Name="XSimTraceLimit" Val="65536"/>
<Option Name="SimTypes" Val="rtl"/>
<Option Name="SimTypes" Val="bfm"/>
<Option Name="SimTypes" Val="tlm"/>
<Option Name="SimTypes" Val="tlm_dpi"/>
<Option Name="MEMEnableMemoryMapGeneration" Val="TRUE"/>
<Option Name="DcpsUptoDate" Val="TRUE"/>
<Option Name="ClassicSocBoot" Val="FALSE"/>
<Option Name="LocalIPRepoLeafDirName" Val="ip_repo"/>
</Configuration>
<FileSets Version="1" Minor="32">
<FileSet Name="sources_1" Type="DesignSrcs" RelSrcDir="$PSRCDIR/sources_1" RelGenDir="$PGENDIR/sources_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../common/axi_ctrlif.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/tx_package.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../common/dma_fifo.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../common/axi_streaming_dma_tx_fifo.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../common/pl330_dma_fifo.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/tx_encoder.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/axi_spdif_tx.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/component.xml">
<FileInfo SFType="IPXACT"/>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="axi_spdif_tx"/>
</Config>
</FileSet>
<FileSet Name="constrs_1" Type="Constrs" RelSrcDir="$PSRCDIR/constrs_1" RelGenDir="$PGENDIR/constrs_1">
<Filter Type="Constrs"/>
<File Path="$PPRDIR/axi_spdif_tx_constr.xdc">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="implementation"/>
</FileInfo>
</File>
<Config>
<Option Name="ConstrsType" Val="XDC"/>
</Config>
</FileSet>
<FileSet Name="sim_1" Type="SimulationSrcs" RelSrcDir="$PSRCDIR/sim_1" RelGenDir="$PGENDIR/sim_1">
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopAutoSet" Val="TRUE"/>
<Option Name="TransportPathDelay" Val="0"/>
<Option Name="TransportIntDelay" Val="0"/>
<Option Name="SelectedSimModel" Val="rtl"/>
<Option Name="PamDesignTestbench" Val=""/>
<Option Name="PamDutBypassFile" Val="xil_dut_bypass"/>
<Option Name="PamSignalDriverFile" Val="xil_bypass_driver"/>
<Option Name="PamPseudoTop" Val="pseudo_tb"/>
<Option Name="SrcSet" Val="sources_1"/>
</Config>
</FileSet>
<FileSet Name="utils_1" Type="Utils" RelSrcDir="$PSRCDIR/utils_1" RelGenDir="$PGENDIR/utils_1">
<Filter Type="Utils"/>
<Config>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
</FileSets>
<Simulators>
<Simulator Name="XSim">
<Option Name="Description" Val="Vivado Simulator"/>
<Option Name="CompiledLib" Val="0"/>
</Simulator>
<Simulator Name="ModelSim">
<Option Name="Description" Val="ModelSim Simulator"/>
</Simulator>
<Simulator Name="Questa">
<Option Name="Description" Val="Questa Advanced Simulator"/>
</Simulator>
<Simulator Name="Xcelium">
<Option Name="Description" Val="Xcelium Parallel Simulator"/>
</Simulator>
<Simulator Name="VCS">
<Option Name="Description" Val="Verilog Compiler Simulator (VCS)"/>
</Simulator>
<Simulator Name="Riviera">
<Option Name="Description" Val="Riviera-PRO Simulator"/>
</Simulator>
</Simulators>
<Runs Version="1" Minor="21">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7vx485tffg1157-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="true" WriteIncrSynthDcp="false" State="current" IncludeInArchive="true" IsChild="false" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1" AutoRQSDir="$PSRCDIR/utils_1/imports/synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2023">
<Desc>Vivado Synthesis Defaults</Desc>
</StratHandle>
<Step Id="synth_design"/>
</Strategy>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2023"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7vx485tffg1157-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" SynthRun="synth_1" IncludeInArchive="true" IsChild="false" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1" AutoRQSDir="$PSRCDIR/utils_1/imports/impl_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2023">
<Desc>Default settings for Implementation.</Desc>
</StratHandle>
<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
</Strategy>
<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2023"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
</Runs>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Vivado 12-1790"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="1"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="Evaluation"/>
<MsgAttr Name="StringsToMatch" Val="features"/>
<MsgAttr Name="StringsToMatch" Val="should"/>
<MsgAttr Name="StringsToMatch" Val="NOT"/>
<MsgAttr Name="StringsToMatch" Val="be"/>
<MsgAttr Name="StringsToMatch" Val="used"/>
<MsgAttr Name="StringsToMatch" Val="in"/>
<MsgAttr Name="StringsToMatch" Val="production"/>
<MsgAttr Name="StringsToMatch" Val="systems."/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="Designutils 20-3303"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="10"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="HDPYFinalizeIO"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Place 30-73"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="11"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="axi_spi"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val=""/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="12"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="BD 41-1343"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="2"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="BD 41-1306"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="3"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="ERROR"/>
<MsgAttr Name="Id" Val="BD 41-1276"/>
<MsgAttr Name="Severity" Val="CRITICAL WARNING"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="4"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="IP_Flow 19-3656"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="5"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="IP_Flow 19-4623"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="6"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="IP_Flow 19-459"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="7"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="Synth 8-3331"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="8"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Synth 8-2490"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="9"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<Board/>
<DashboardSummary Version="1" Minor="0">
<Dashboards>
<Dashboard Name="default_dashboard">
<Gadgets>
<Gadget Name="drc_1" Type="drc" Version="1" Row="2" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_drc_0 "/>
</Gadget>
<Gadget Name="methodology_1" Type="methodology" Version="1" Row="2" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_methodology_0 "/>
</Gadget>
<Gadget Name="power_1" Type="power" Version="1" Row="1" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_power_0 "/>
</Gadget>
<Gadget Name="timing_1" Type="timing" Version="1" Row="0" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_timing_summary_0 "/>
</Gadget>
<Gadget Name="utilization_1" Type="utilization" Version="1" Row="0" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="synth_1#synth_1_synth_report_utilization_0 "/>
<GadgetParam Name="RUN.STEP" Type="string" Value="synth_design"/>
<GadgetParam Name="RUN.TYPE" Type="string" Value="synthesis"/>
</Gadget>
<Gadget Name="utilization_2" Type="utilization" Version="1" Row="1" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_place_report_utilization_0 "/>
</Gadget>
</Gadgets>
</Dashboard>
<CurrentDashboard>default_dashboard</CurrentDashboard>
</Dashboards>
</DashboardSummary>
</Project>
adi_library/axi_spdif_tx/axi_spdif_tx_constr.xdc
+16
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@@ -0,0 +1,16 @@
###############################################################################
## Copyright (C) 2014-2023 Analog Devices, Inc. All rights reserved.
### SPDX short identifier: ADIBSD
###############################################################################
set_property ASYNC_REG TRUE \
[get_cells -hier cdc_sync_stage1_*_reg] \
[get_cells -hier cdc_sync_stage2_*_reg]
set_false_path \
-from [get_cells -hier cdc_sync_stage0_*_reg -filter {PRIMITIVE_SUBGROUP == flop || primitive_subgroup == SDR}] \
-to [get_cells -hier cdc_sync_stage1_*_reg -filter {PRIMITIVE_SUBGROUP == flop || primitive_subgroup == SDR}]
set_false_path \
-from [get_cells -hier spdif_out_reg -filter {PRIMITIVE_SUBGROUP == flop || primitive_subgroup == SDR}] \
-to [get_cells -hier spdif_tx_o_reg -filter {PRIMITIVE_SUBGROUP == flop || primitive_subgroup == SDR}]
adi_library/axi_spdif_tx/axi_spdif_tx_ip.tcl
+54
View File
@@ -0,0 +1,54 @@
###############################################################################
## Copyright (C) 2014-2023 Analog Devices, Inc. All rights reserved.
### SPDX short identifier: ADIBSD
###############################################################################
# ip
source ../../scripts/adi_env.tcl
source $ad_hdl_dir/library/scripts/adi_ip_xilinx.tcl
adi_ip_create axi_spdif_tx
adi_ip_files axi_spdif_tx [list \
"$ad_hdl_dir/library/common/axi_ctrlif.vhd" \
"$ad_hdl_dir/library/common/axi_streaming_dma_tx_fifo.vhd" \
"$ad_hdl_dir/library/common/pl330_dma_fifo.vhd" \
"$ad_hdl_dir/library/common/dma_fifo.vhd" \
"tx_package.vhd" \
"tx_encoder.vhd" \
"axi_spdif_tx.vhd" \
"axi_spdif_tx_constr.xdc" ]
adi_ip_properties axi_spdif_tx
adi_ip_infer_streaming_interfaces axi_spdif_tx
adi_add_bus "dma_ack" "slave" \
"xilinx.com:interface:axis_rtl:1.0" \
"xilinx.com:interface:axis:1.0" \
[list {"dma_req_davalid" "TVALID"} \
{"dma_req_daready" "TREADY"} \
{"dma_req_datype" "TUSER"} ]
adi_add_bus "dma_req" "master" \
"xilinx.com:interface:axis_rtl:1.0" \
"xilinx.com:interface:axis:1.0" \
[list {"dma_req_drvalid" "TVALID"} \
{"dma_req_drready" "TREADY"} \
{"dma_req_drtype" "TUSER"} \
{"dma_req_drlast" "TLAST"} ]
# Clock and reset are for both dma_req and dma_ack
adi_add_bus_clock "dma_req_aclk" "dma_req:dma_ack" "dma_req_rstn"
adi_set_bus_dependency "s_axis" "s_axis" \
"(spirit:decode(id('MODELPARAM_VALUE.DMA_TYPE')) = 0)"
adi_set_bus_dependency "dma_ack" "dma_req_da" \
"(spirit:decode(id('MODELPARAM_VALUE.DMA_TYPE')) = 1)"
adi_set_bus_dependency "dma_req" "dma_req_dr" \
"(spirit:decode(id('MODELPARAM_VALUE.DMA_TYPE')) = 1)"
adi_set_ports_dependency "dma_req_aclk" \
"(spirit:decode(id('MODELPARAM_VALUE.DMA_TYPE')) = 1)"
adi_set_ports_dependency "dma_req_rstn" \
"(spirit:decode(id('MODELPARAM_VALUE.DMA_TYPE')) = 1)"
ipx::save_core [ipx::current_core]
adi_library/axi_spdif_tx/component.xml
+1477
View File
File diff suppressed because it is too large Load Diff
adi_library/axi_spdif_tx/tx_encoder.vhd
+495
View File
@@ -0,0 +1,495 @@
----------------------------------------------------------------------
---- ----
---- WISHBONE SPDIF IP Core ----
---- ----
---- This file is part of the SPDIF project ----
---- http://www.opencores.org/cores/spdif_interface/ ----
---- ----
---- Description ----
---- SPDIF transmitter signal encoder. Reads out samples from the ----
---- sample buffer, assembles frames and subframes and encodes ----
---- serial data as bi-phase mark code. ----
---- ----
---- To Do: ----
---- - ----
---- ----
---- Author(s): ----
---- - Geir Drange, [email protected] ----
---- ----
----------------------------------------------------------------------
---- ----
---- Copyright (C) 2004 Authors and OPENCORES.ORG ----
---- ----
---- This source file may be used and distributed without ----
---- restriction provided that this copyright statement is not ----
---- removed from the file and that any derivative work contains ----
---- the original copyright notice and the associated disclaimer. ----
---- ----
---- This source file is free software; you can redistribute it ----
---- and/or modify it under the terms of the GNU Lesser General ----
---- Public License as published by the Free Software Foundation; ----
---- either version 2.1 of the License, or (at your option) any ----
---- later version. ----
---- ----
---- This source is distributed in the hope that it will be ----
---- useful, but WITHOUT ANY WARRANTY; without even the implied ----
---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ----
---- PURPOSE. See the GNU Lesser General Public License for more ----
---- details. ----
---- ----
---- You should have received a copy of the GNU Lesser General ----
---- Public License along with this source; if not, download it ----
---- from http://www.opencores.org/lgpl.shtml ----
---- ----
----------------------------------------------------------------------
--
-- CVS Revision History
--
-- $Log: not supported by cvs2svn $
--
--
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity tx_encoder is
generic (DATA_WIDTH: integer range 16 to 32 := 32);
port (
up_clk: in std_logic; -- clock
data_clk : in std_logic; -- data clock
resetn : in std_logic; -- resetn
conf_mode: in std_logic_vector(3 downto 0); -- sample format
conf_ratio: in std_logic_vector(7 downto 0); -- clock divider
conf_txdata: in std_logic; -- sample data enable
conf_txen: in std_logic; -- spdif signal enable
chstat_freq: in std_logic_vector(1 downto 0); -- sample freq.
chstat_gstat: in std_logic; -- generation status
chstat_preem: in std_logic; -- preemphasis status
chstat_copy: in std_logic; -- copyright bit
chstat_audio: in std_logic; -- data format
sample_data: in std_logic_vector(DATA_WIDTH - 1 downto 0); -- audio data
sample_data_ack: out std_logic; -- sample buffer read
channel: out std_logic;
spdif_tx_o: out std_logic);
end tx_encoder;
architecture rtl of tx_encoder is
signal spdif_clk_en, spdif_out : std_logic;
signal clk_cnt : integer range 0 to 511;
type buf_states is (IDLE, READ_CHA, READ_CHB, CHA_RDY, CHB_RDY);
signal bufctrl : buf_states;
signal cha_samp_ack, chb_samp_ack : std_logic;
type frame_states is (IDLE, BLOCK_START, CHANNEL_A, CHANNEL_B);
signal framest : frame_states;
signal frame_cnt : integer range 0 to 191;
signal bit_cnt, par_cnt : integer range 0 to 31;
signal inv_preamble, toggle, valid : std_logic;
signal def_user_data, def_ch_status : std_logic_vector(191 downto 0);
signal active_user_data, active_ch_status : std_logic_vector(191 downto 0);
signal audio : std_logic_vector(23 downto 0);
signal par_vector : std_logic_vector(26 downto 0);
signal send_audio : std_logic;
signal cdc_sync_stage0_tick_counter : std_logic := '0';
signal cdc_sync_stage1_tick_counter : std_logic := '0';
signal cdc_sync_stage2_tick_counter : std_logic := '0';
signal cdc_sync_stage3_tick_counter : std_logic := '0';
signal tick_counter : std_logic;
constant X_PREAMBLE : std_logic_vector(0 to 7) := "11100010";
constant Y_PREAMBLE : std_logic_vector(0 to 7) := "11100100";
constant Z_PREAMBLE : std_logic_vector(0 to 7) := "11101000";
function encode_bit (
signal bit_cnt : integer; -- sub-frame bit position
signal valid : std_logic; -- validity bit
signal frame_cnt : integer; -- frame counter
signal par_cnt : integer; -- parity counter
signal user_data : std_logic_vector(191 downto 0);
signal ch_status : std_logic_vector(191 downto 0);
signal audio : std_logic_vector(23 downto 0);
signal toggle : std_logic;
signal prev_spdif : std_logic) -- prev. value of spdif signal
return std_logic is
variable spdif, next_bit : std_logic;
begin
if bit_cnt > 3 and bit_cnt < 28 then -- audio part
next_bit := audio(bit_cnt - 4);
elsif bit_cnt = 28 then -- validity bit
next_bit := valid;
elsif bit_cnt = 29 then -- user data
next_bit := user_data(frame_cnt);
elsif bit_cnt = 30 then
next_bit := ch_status(frame_cnt); -- channel status
elsif bit_cnt = 31 then
if par_cnt mod 2 = 1 then
next_bit := '1';
else
next_bit := '0';
end if;
end if;
-- bi-phase mark encoding:
if next_bit = '0' then
if toggle = '0' then
spdif := not prev_spdif;
else
spdif := prev_spdif;
end if;
else
spdif := not prev_spdif;
end if;
return(spdif);
end encode_bit;
begin
-- SPDIF clock enable generation. The clock is a fraction of the data clock,
-- determined by the conf_ratio value.
DCLK : process (data_clk)
begin
if rising_edge(data_clk) then
cdc_sync_stage0_tick_counter <= not cdc_sync_stage0_tick_counter;
end if;
end process DCLK;
process (up_clk) begin
if rising_edge(up_clk) then
cdc_sync_stage1_tick_counter <= cdc_sync_stage0_tick_counter;
cdc_sync_stage2_tick_counter <= cdc_sync_stage1_tick_counter;
cdc_sync_stage3_tick_counter <= cdc_sync_stage2_tick_counter;
end if;
end process;
tick_counter <= cdc_sync_stage3_tick_counter xor cdc_sync_stage2_tick_counter;
CGEN: process (up_clk)
begin
if rising_edge(up_clk) then
if resetn = '0' or conf_txen = '0' then
clk_cnt <= 0;
spdif_clk_en <= '0';
else
spdif_clk_en <= '0';
if tick_counter = '1' then
if clk_cnt < to_integer(unsigned(conf_ratio)) then
clk_cnt <= clk_cnt + 1;
else
clk_cnt <= 0;
spdif_clk_en <= '1';
end if;
end if;
end if;
end if;
end process CGEN;
SRD: process (up_clk)
begin
if rising_edge(up_clk) then
if resetn = '0' or conf_txdata = '0' then
bufctrl <= IDLE;
sample_data_ack <= '0';
channel <= '0';
else
case bufctrl is
when IDLE =>
sample_data_ack <= '0';
if conf_txdata = '1' then
bufctrl <= READ_CHA;
sample_data_ack <='1';
end if;
when READ_CHA =>
channel <= '0';
sample_data_ack <= '0';
bufctrl <= CHA_RDY;
when CHA_RDY =>
if cha_samp_ack = '1' then
sample_data_ack <= '1';
bufctrl <= READ_CHB;
end if;
when READ_CHB =>
channel <= '1';
sample_data_ack <= '0';
bufctrl <= CHB_RDY;
when CHB_RDY =>
if chb_samp_ack = '1' then
sample_data_ack <= '1';
bufctrl <= READ_CHA;
end if;
when others =>
bufctrl <= IDLE;
end case;
end if;
end if;
end process SRD;
TXSYNC: process (data_clk)
begin
if (rising_edge(data_clk)) then
spdif_tx_o <= spdif_out;
end if;
end process TXSYNC;
-- State machine that generates sub-frames and blocks
FRST: process (up_clk)
begin
if rising_edge(up_clk) then
if resetn = '0' or conf_txen = '0' then
framest <= IDLE;
frame_cnt <= 0;
bit_cnt <= 0;
spdif_out <= '0';
inv_preamble <= '0';
toggle <= '0';
valid <= '1';
send_audio <= '0';
cha_samp_ack <= '0';
chb_samp_ack <= '0';
else
if spdif_clk_en = '1' then -- SPDIF clock is twice the bit rate
case framest is
when IDLE =>
bit_cnt <= 0;
frame_cnt <= 0;
inv_preamble <= '0';
toggle <= '0';
framest <= BLOCK_START;
when BLOCK_START => -- Start of channels status block/Ch. A
chb_samp_ack <= '0';
toggle <= not toggle; -- Each bit uses two clock enables,
if toggle = '1' then -- counted by the toggle bit.
if bit_cnt < 31 then
bit_cnt <= bit_cnt + 1;
else
bit_cnt <= 0;
if send_audio = '1' then
cha_samp_ack <= '1';
end if;
framest <= CHANNEL_B;
end if;
end if;
-- Block start uses preamble Z.
if bit_cnt < 4 then
if toggle = '0' then
spdif_out <= Z_PREAMBLE(2 * bit_cnt) xor inv_preamble;
else
spdif_out <= Z_PREAMBLE(2 * bit_cnt + 1) xor inv_preamble;
end if;
par_cnt <= 0;
elsif bit_cnt > 3 and bit_cnt <= 31 then
spdif_out <= encode_bit(bit_cnt, valid, frame_cnt,
par_cnt, active_user_data,
active_ch_status,
audio, toggle, spdif_out);
if bit_cnt = 31 then
inv_preamble <= encode_bit(bit_cnt, valid, frame_cnt,
par_cnt, active_user_data,
active_ch_status,
audio, toggle, spdif_out);
end if;
if toggle = '0' then
if bit_cnt > 3 and bit_cnt < 31 and
par_vector(bit_cnt - 4) = '1' then
par_cnt <= par_cnt + 1;
end if;
end if;
end if;
when CHANNEL_A => -- Sub-frame: channel A.
chb_samp_ack <= '0';
toggle <= not toggle;
if toggle = '1' then
if bit_cnt < 31 then
bit_cnt <= bit_cnt + 1;
else
bit_cnt <= 0;
if spdif_out = '1' then
inv_preamble <= '1';
else
inv_preamble <= '0';
end if;
if send_audio = '1' then
cha_samp_ack <= '1';
end if;
framest <= CHANNEL_B;
end if;
end if;
-- Channel A uses preable X.
if bit_cnt < 4 then
if toggle = '0' then
spdif_out <= X_PREAMBLE(2 * bit_cnt) xor inv_preamble;
else
spdif_out <= X_PREAMBLE(2 * bit_cnt + 1) xor inv_preamble;
end if;
par_cnt <= 0;
elsif bit_cnt > 3 and bit_cnt <= 31 then
spdif_out <= encode_bit(bit_cnt, valid, frame_cnt,
par_cnt, active_user_data,
active_ch_status,
audio, toggle, spdif_out);
if bit_cnt = 31 then
inv_preamble <= encode_bit(bit_cnt, valid, frame_cnt,
par_cnt, active_user_data,
active_ch_status,
audio, toggle, spdif_out);
end if;
if toggle = '0' then
if bit_cnt > 3 and bit_cnt < 31 and
par_vector(bit_cnt - 4) = '1' then
par_cnt <= par_cnt + 1;
end if;
end if;
end if;
when CHANNEL_B => -- Sub-frame: channel B.
cha_samp_ack <= '0';
toggle <= not toggle;
if toggle = '1' then
if bit_cnt < 31 then
bit_cnt <= bit_cnt + 1;
else
bit_cnt <= 0;
valid <= not conf_txdata;
if spdif_out = '1' then
inv_preamble <= '1';
else
inv_preamble <= '0';
end if;
send_audio <= conf_txdata; -- 1 if audio samples sohuld be sent
if send_audio = '1' then
chb_samp_ack <= '1';
end if;
if frame_cnt < 191 then -- One block is 192 frames
frame_cnt <= frame_cnt + 1;
framest <= CHANNEL_A;
else
frame_cnt <= 0;
framest <= BLOCK_START;
end if;
end if;
end if;
-- Channel B uses preable Y.
if bit_cnt < 4 then
if toggle = '0' then
spdif_out <= Y_PREAMBLE(2 * bit_cnt) xor inv_preamble;
else
spdif_out <= Y_PREAMBLE(2 * bit_cnt + 1) xor inv_preamble;
end if;
par_cnt <= 0;
elsif bit_cnt > 3 and bit_cnt <= 31 then
spdif_out <= encode_bit(bit_cnt, valid, frame_cnt,
par_cnt, active_user_data,
active_ch_status,
audio, toggle, spdif_out);
if bit_cnt = 31 then
inv_preamble <= encode_bit(bit_cnt, valid, frame_cnt,
par_cnt, active_user_data,
active_ch_status,
audio, toggle, spdif_out);
end if;
if toggle = '0' then
if bit_cnt > 3 and bit_cnt < 31 and
par_vector(bit_cnt - 4) = '1' then
par_cnt <= par_cnt + 1;
end if;
end if;
end if;
when others =>
framest <= IDLE;
end case;
end if;
end if;
end if;
end process FRST;
-- Audio data latching
DA32: if DATA_WIDTH = 32 generate
ALAT: process (up_clk)
begin
if rising_edge(up_clk) then
if send_audio = '0' then
audio(23 downto 0) <= (others => '0');
else
case to_integer(unsigned(conf_mode)) is
when 0 => -- 16 bit audio
audio(23 downto 8) <= sample_data(15 downto 0);
audio(7 downto 0) <= (others => '0');
when 1 => -- 17 bit audio
audio(23 downto 7) <= sample_data(16 downto 0);
audio(6 downto 0) <= (others => '0');
when 2 => -- 18 bit audio
audio(23 downto 6) <= sample_data(17 downto 0);
audio(5 downto 0) <= (others => '0');
when 3 => -- 19 bit audio
audio(23 downto 5) <= sample_data(18 downto 0);
audio(4 downto 0) <= (others => '0');
when 4 => -- 20 bit audio
audio(23 downto 4) <= sample_data(19 downto 0);
audio(3 downto 0) <= (others => '0');
when 5 => -- 21 bit audio
audio(23 downto 3) <= sample_data(20 downto 0);
audio(2 downto 0) <= (others => '0');
when 6 => -- 22 bit audio
audio(23 downto 2) <= sample_data(21 downto 0);
audio(1 downto 0) <= (others => '0');
when 7 => -- 23 bit audio
audio(23 downto 1) <= sample_data(22 downto 0);
audio(0) <= '0';
when 8 => -- 24 bit audio
audio(23 downto 0) <= sample_data(23 downto 0);
when others => -- unsupported modes
audio(23 downto 0) <= (others => '0');
end case;
end if;
end if;
end process ALAT;
end generate DA32;
DA16: if DATA_WIDTH = 16 generate
ALAT: process (up_clk)
begin
if rising_edge(up_clk) then
if send_audio = '0' then
audio(23 downto 0) <= (others => '0');
else
audio(23 downto 8) <= sample_data(15 downto 0);
audio(7 downto 0) <= (others => '0');
end if;
end if;
end process ALAT;
end generate DA16;
-- Parity vector. These bits are counted to generate even parity
par_vector(23 downto 0) <= audio(23 downto 0);
par_vector(24) <= valid;
par_vector(25) <= active_user_data(frame_cnt);
par_vector(26) <= active_ch_status(frame_cnt);
-- Channel status and user datat to be used if buffers are disabled.
-- User data is then all zero, while channel status bits are taken from
-- register TxChStat.
def_user_data(191 downto 0) <= (others => '0');
def_ch_status(0) <= '0'; -- consumer mode
def_ch_status(1) <= chstat_audio; -- audio bit
def_ch_status(2) <= chstat_copy; -- copy right
def_ch_status(5 downto 3) <= "000" when chstat_preem = '0'
else "001"; -- pre-emphasis
def_ch_status(7 downto 6) <= "00";
def_ch_status(14 downto 8) <= (others => '0');
def_ch_status(15) <= chstat_gstat; -- generation status
def_ch_status(23 downto 16) <= (others => '0');
def_ch_status(27 downto 24) <= "0000" when chstat_freq = "00" else
"0010" when chstat_freq = "01" else
"0011" when chstat_freq = "10" else
"0001";
def_ch_status(191 downto 28) <= (others => '0'); --191 28
-- Generate channel status vector based on configuration register setting.
active_ch_status <= def_ch_status;
-- Generate user data vector based on configuration register setting.
active_user_data <= def_user_data;
end rtl;
adi_library/axi_spdif_tx/tx_package.vhd
+88
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@@ -0,0 +1,88 @@
----------------------------------------------------------------------
---- ----
---- WISHBONE SPDIF IP Core ----
---- ----
---- This file is part of the SPDIF project ----
---- http://www.opencores.org/cores/spdif_interface/ ----
---- ----
---- Description ----
---- SPDIF transmitter component package. ----
---- ----
---- ----
---- To Do: ----
---- - ----
---- ----
---- Author(s): ----
---- - Geir Drange, [email protected] ----
---- ----
----------------------------------------------------------------------
---- ----
---- Copyright (C) 2004 Authors and OPENCORES.ORG ----
---- ----
---- This source file may be used and distributed without ----
---- restriction provided that this copyright statement is not ----
---- removed from the file and that any derivative work contains ----
---- the original copyright notice and the associated disclaimer. ----
---- ----
---- This source file is free software; you can redistribute it ----
---- and/or modify it under the terms of the GNU Lesser General ----
---- Public License as published by the Free Software Foundation; ----
---- either version 2.1 of the License, or (at your option) any ----
---- later version. ----
---- ----
---- This source is distributed in the hope that it will be ----
---- useful, but WITHOUT ANY WARRANTY; without even the implied ----
---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ----
---- PURPOSE. See the GNU Lesser General Public License for more ----
---- details. ----
---- ----
---- You should have received a copy of the GNU Lesser General ----
---- Public License along with this source; if not, download it ----
---- from http://www.opencores.org/lgpl.shtml ----
---- ----
----------------------------------------------------------------------
--
-- CVS Revision History
--
-- $Log: not supported by cvs2svn $
-- Revision 1.2 2004/07/14 17:58:49 gedra
-- Added new components.
--
-- Revision 1.1 2004/07/13 18:30:25 gedra
-- Transmitter component declarations.
--
--
--
library ieee;
use ieee.std_logic_1164.all;
package tx_package is
component tx_encoder
generic
(
DATA_WIDTH: integer range 16 to 32 := 32
);
port
(
up_clk: in std_logic; -- clock
data_clk : in std_logic; -- data clock
resetn : in std_logic; -- resetn
conf_mode: in std_logic_vector(3 downto 0); -- sample format
conf_ratio: in std_logic_vector(7 downto 0); -- clock divider
conf_txdata: in std_logic; -- sample data enable
conf_txen: in std_logic; -- spdif signal enable
chstat_freq: in std_logic_vector(1 downto 0); -- sample freq.
chstat_gstat: in std_logic; -- generation status
chstat_preem: in std_logic; -- preemphasis status
chstat_copy: in std_logic; -- copyright bit
chstat_audio: in std_logic; -- data format
sample_data: in std_logic_vector(DATA_WIDTH - 1 downto 0); -- audio data
sample_data_ack : out std_logic; -- sample buffer read
channel: out std_logic;
spdif_tx_o: out std_logic
);
end component;
end tx_package;
adi_library/axi_spdif_tx/xgui/axi_spdif_tx_v1_0.tcl
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# Definitional proc to organize widgets for parameters.
proc init_gui { IPINST } {
ipgui::add_param $IPINST -name "Component_Name"
#Adding Page
set Page_0 [ipgui::add_page $IPINST -name "Page 0"]
ipgui::add_param $IPINST -name "DEVICE_FAMILY" -parent ${Page_0}
ipgui::add_param $IPINST -name "DMA_TYPE" -parent ${Page_0}
ipgui::add_param $IPINST -name "S_AXI_ADDRESS_WIDTH" -parent ${Page_0}
ipgui::add_param $IPINST -name "S_AXI_DATA_WIDTH" -parent ${Page_0}
}
proc update_PARAM_VALUE.DEVICE_FAMILY { PARAM_VALUE.DEVICE_FAMILY } {
# Procedure called to update DEVICE_FAMILY when any of the dependent parameters in the arguments change
}
proc validate_PARAM_VALUE.DEVICE_FAMILY { PARAM_VALUE.DEVICE_FAMILY } {
# Procedure called to validate DEVICE_FAMILY
return true
}
proc update_PARAM_VALUE.DMA_TYPE { PARAM_VALUE.DMA_TYPE } {
# Procedure called to update DMA_TYPE when any of the dependent parameters in the arguments change
}
proc validate_PARAM_VALUE.DMA_TYPE { PARAM_VALUE.DMA_TYPE } {
# Procedure called to validate DMA_TYPE
return true
}
proc update_PARAM_VALUE.S_AXI_ADDRESS_WIDTH { PARAM_VALUE.S_AXI_ADDRESS_WIDTH } {
# Procedure called to update S_AXI_ADDRESS_WIDTH when any of the dependent parameters in the arguments change
}
proc validate_PARAM_VALUE.S_AXI_ADDRESS_WIDTH { PARAM_VALUE.S_AXI_ADDRESS_WIDTH } {
# Procedure called to validate S_AXI_ADDRESS_WIDTH
return true
}
proc update_PARAM_VALUE.S_AXI_DATA_WIDTH { PARAM_VALUE.S_AXI_DATA_WIDTH } {
# Procedure called to update S_AXI_DATA_WIDTH when any of the dependent parameters in the arguments change
}
proc validate_PARAM_VALUE.S_AXI_DATA_WIDTH { PARAM_VALUE.S_AXI_DATA_WIDTH } {
# Procedure called to validate S_AXI_DATA_WIDTH
return true
}
proc update_MODELPARAM_VALUE.S_AXI_DATA_WIDTH { MODELPARAM_VALUE.S_AXI_DATA_WIDTH PARAM_VALUE.S_AXI_DATA_WIDTH } {
# Procedure called to set VHDL generic/Verilog parameter value(s) based on TCL parameter value
set_property value [get_property value ${PARAM_VALUE.S_AXI_DATA_WIDTH}] ${MODELPARAM_VALUE.S_AXI_DATA_WIDTH}
}
proc update_MODELPARAM_VALUE.S_AXI_ADDRESS_WIDTH { MODELPARAM_VALUE.S_AXI_ADDRESS_WIDTH PARAM_VALUE.S_AXI_ADDRESS_WIDTH } {
# Procedure called to set VHDL generic/Verilog parameter value(s) based on TCL parameter value
set_property value [get_property value ${PARAM_VALUE.S_AXI_ADDRESS_WIDTH}] ${MODELPARAM_VALUE.S_AXI_ADDRESS_WIDTH}
}
proc update_MODELPARAM_VALUE.DEVICE_FAMILY { MODELPARAM_VALUE.DEVICE_FAMILY PARAM_VALUE.DEVICE_FAMILY } {
# Procedure called to set VHDL generic/Verilog parameter value(s) based on TCL parameter value
set_property value [get_property value ${PARAM_VALUE.DEVICE_FAMILY}] ${MODELPARAM_VALUE.DEVICE_FAMILY}
}
proc update_MODELPARAM_VALUE.DMA_TYPE { MODELPARAM_VALUE.DMA_TYPE PARAM_VALUE.DMA_TYPE } {
# Procedure called to set VHDL generic/Verilog parameter value(s) based on TCL parameter value
set_property value [get_property value ${PARAM_VALUE.DMA_TYPE}] ${MODELPARAM_VALUE.DMA_TYPE}
}