From ca02833f22b08ceeeff501107371aa6667426115 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 5 May 2024 17:38:55 -0600
Subject: rtl/gfx: rename platform/wavelet3d -> rtl/gfx

---
 platform/wavelet3d/gfx_fifo.sv | 102 -----------------------------------------
 1 file changed, 102 deletions(-)
 delete mode 100644 platform/wavelet3d/gfx_fifo.sv

(limited to 'platform/wavelet3d/gfx_fifo.sv')

diff --git a/platform/wavelet3d/gfx_fifo.sv b/platform/wavelet3d/gfx_fifo.sv
deleted file mode 100644
index 7174e4d..0000000
--- a/platform/wavelet3d/gfx_fifo.sv
+++ /dev/null
@@ -1,102 +0,0 @@
-module gfx_fifo
-#(int WIDTH = 0,
-  int DEPTH = 0)
-(
-	input  logic        clk,
-	                    rst_n,
-
-	       gfx_beats.rx in,
-	       gfx_beats.tx out
-);
-
-	logic do_read, do_write, full_if_eq, in_stall, out_stall,
-	      may_read, may_write, read, read_ok, write;
-
-	logic[WIDTH - 1:0] fifo[DEPTH], read_data, write_data;
-	logic[$clog2(DEPTH) - 1:0] read_ptr, write_ptr;
-
-	assign do_read = read & may_read;
-	assign do_write = write & may_write;
-
-	always_comb begin
-		may_read = full_if_eq;
-		may_write = !full_if_eq;
-
-		if (read)
-			may_write = 1;
-
-		if (read_ptr != write_ptr) begin
-			may_read = 1;
-			may_write = 1;
-		end
-	end
-
-	gfx_skid_flow in_flow
-	(
-		.clk,
-		.rst_n,
-		.stall(in_stall),
-		.in_ready(in.ready),
-		.in_valid(in.valid),
-		.out_ready(may_write),
-		.out_valid(write)
-	);
-
-	gfx_skid_flow out_flow
-	(
-		.clk,
-		.rst_n,
-		.stall(out_stall),
-		.in_ready(read),
-		.in_valid(read_ok),
-		.out_ready(out.ready),
-		.out_valid(out.valid)
-	);
-
-	gfx_skid_buf #(WIDTH) in_skid
-	(
-		.clk,
-		.in(in.data),
-		.out(write_data),
-		.stall(in_stall)
-	);
-
-	gfx_skid_buf #(WIDTH) out_skid
-	(
-		.clk,
-		.in(read_data),
-		.out(out.data),
-		.stall(out_stall)
-	);
-
-	always_ff @(posedge clk or negedge rst_n)
-		if (~rst_n) begin
-			read_ok <= 0;
-			read_ptr <= 0;
-			write_ptr <= 0;
-			full_if_eq <= 0;
-		end else begin
-			if (~out_stall)
-				read_ok <= read && may_read;
-
-			if (do_read)
-				read_ptr <= read_ptr + 1;
-
-			if (do_write)
-				write_ptr <= write_ptr + 1;
-
-			if (do_read & ~do_write)
-				full_if_eq <= 0;
-			else if (~do_read & do_write)
-				full_if_eq <= 1;
-		end
-
-	always_ff @(posedge clk) begin
-		if (~out_stall)
-			read_data <= fifo[read_ptr];
-
-		if (may_write)
-			fifo[write_ptr] <= write_data;
-	end
-
-endmodule
-- 
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