From ec2f4c0e20aaa130359630299362d03ce41d585c Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Mon, 20 Nov 2023 16:23:17 -0600
Subject: rtl/gfx: implement program header command registers

---
 rtl/gfx/gfx_defs.sv | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'rtl/gfx/gfx_defs.sv')

diff --git a/rtl/gfx/gfx_defs.sv b/rtl/gfx/gfx_defs.sv
index 20102a4..fa297e6 100644
--- a/rtl/gfx/gfx_defs.sv
+++ b/rtl/gfx/gfx_defs.sv
@@ -188,6 +188,11 @@ typedef logic[`GFX_LANE_ADDR_BITS - 1:0] vram_lane_addr;
 typedef logic[5:0]  cmd_addr;
 typedef logic[31:0] cmd_word;
 
+`define GFX_CMD_REG_ID          2'b00
+`define GFX_CMD_REG_SCAN        2'b01
+`define GFX_CMD_REG_HEADER_BASE 2'b10
+`define GFX_CMD_REG_HEADER_SIZE 2'b11
+
 typedef struct packed
 {
 	logic[$bits(cmd_word) - $bits(vram_insn_addr) - `GFX_INSN_SUBWORD_BITS - 1:0] pad;
-- 
cgit v1.2.3