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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
entity hdmi_io is
port (
clk100 : in STD_LOGIC;
-------------------------------
-- Control signals
-------------------------------
clock_locked : out std_logic;
data_synced : out std_logic;
debug : out std_logic_vector(7 downto 0);
-------------------------------
--HDMI input signals
-------------------------------
hdmi_rx_cec : inout std_logic;
hdmi_rx_hpa : out std_logic;
hdmi_rx_scl : in std_logic;
hdmi_rx_sda : inout std_logic;
hdmi_rx_txen : out std_logic;
hdmi_rx_clk_n : in std_logic;
hdmi_rx_clk_p : in std_logic;
hdmi_rx_n : in std_logic_vector(2 downto 0);
hdmi_rx_p : in std_logic_vector(2 downto 0);
-------------
-- HDMI out
-------------
hdmi_tx_cec : inout std_logic;
hdmi_tx_clk_n : out std_logic;
hdmi_tx_clk_p : out std_logic;
hdmi_tx_hpd : in std_logic;
hdmi_tx_rscl : inout std_logic;
hdmi_tx_rsda : inout std_logic;
hdmi_tx_p : out std_logic_vector(2 downto 0);
hdmi_tx_n : out std_logic_vector(2 downto 0);
pixel_clk : out std_logic;
-------------------------------
-- VGA data recovered from HDMI
-------------------------------
in_hdmi_detected : out std_logic;
in_blank : out std_logic;
in_hsync : out std_logic;
in_vsync : out std_logic;
in_red : out std_logic_vector(7 downto 0);
in_green : out std_logic_vector(7 downto 0);
in_blue : out std_logic_vector(7 downto 0);
is_interlaced : out std_logic;
is_second_field : out std_logic;
-----------------------------------
-- VGA data to be converted to HDMI
-----------------------------------
out_blank : in std_logic;
out_hsync : in std_logic;
out_vsync : in std_logic;
out_red : in std_logic_vector(7 downto 0);
out_green : in std_logic_vector(7 downto 0);
out_blue : in std_logic_vector(7 downto 0);
-------------------------------------
-- Audio Levels
-------------------------------------
audio_channel : out std_logic_vector(2 downto 0);
audio_de : out std_logic;
audio_sample : out std_logic_vector(23 downto 0);
-----------------------------------
-- For symbol dump or retransmit
-----------------------------------
symbol_sync : out std_logic; -- indicates a fixed reference point in the frame.
symbol_ch0 : out std_logic_vector(9 downto 0);
symbol_ch1 : out std_logic_vector(9 downto 0);
symbol_ch2 : out std_logic_vector(9 downto 0)
);
end entity;
architecture Behavioral of hdmi_io is
signal fourfourfour_V : std_logic_vector(11 downto 0);
signal fourfourfour_W : std_logic_vector(11 downto 0);
component conversion_to_RGB is
port ( clk : in std_Logic;
in_V : in std_logic_vector(11 downto 0);
in_W : in std_logic_vector(11 downto 0);
out_R : out std_logic_vector(11 downto 0);
out_G : out std_logic_vector(11 downto 0)
);
end component;
signal rgb_R : std_logic_vector(11 downto 0);
signal rgb_G : std_logic_vector(11 downto 0);
begin
i_conversion_to_RGB: conversion_to_RGB
port map (
clk => clk100,
in_V => fourfourfour_V,
in_W => fourfourfour_W,
out_G => rgb_G,
out_R => rgb_R
);
in_green <= rgb_G(11 downto 4);
in_red <= rgb_R(11 downto 4);
end Behavioral;
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