Merge branch 'ice40gfx' into 'master'

Ice40gfx

See merge request SymbioticEDA/nextpnr!7

1 files changed, 420 insertions, 0 deletions

diff --git a/ice40/gfx.cc b/ice40/gfx.cc
new file mode 100644
index 00000000..e72b2515
--- /dev/null
+++ b/ice40/gfx.cc
@@ -0,0 +1,420 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Clifford Wolf <clifford@symbioticeda.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "gfx.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+void gfxTileWire(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId id)
+{
+    // Horizontal Span-4 Wires
+
+    if (id >= TILE_WIRE_SP4_H_L_36 && id <= TILE_WIRE_SP4_H_L_47) {
+        int idx = (id - TILE_WIRE_SP4_H_L_36) + 48;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (60 - idx);
+
+        el.x1 = x + 0.0;
+        el.x2 = x + 0.9;
+        el.y1 = y1;
+        el.y2 = y1;
+        g.push_back(el);
+
+        el.x1 = x + main_swbox_x1 + 0.0025 * (idx + 35);
+        el.x2 = el.x1;
+        el.y1 = y1;
+        el.y2 = y + main_swbox_y1;
+        g.push_back(el);
+    }
+
+    if (id >= TILE_WIRE_SP4_H_R_0 && id <= TILE_WIRE_SP4_H_R_47) {
+        int idx = id - TILE_WIRE_SP4_H_R_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (60 - idx);
+        float y2 = y + 0.03 + 0.0025 * (60 - (idx ^ 1));
+        float y3 = y + 0.03 + 0.0025 * (60 - (idx ^ 1) - 12);
+
+        if (idx >= 12) {
+            el.x1 = x;
+            el.x2 = x + 0.01;
+            el.y1 = y1;
+            el.y2 = y1;
+            g.push_back(el);
+
+            el.x1 = x + 0.01;
+            el.x2 = x + 0.02;
+            el.y1 = y1;
+            el.y2 = y2;
+            g.push_back(el);
+        }
+
+        el.x1 = x + 0.02;
+        el.x2 = x + 0.9;
+        el.y1 = y2;
+        el.y2 = y2;
+        g.push_back(el);
+
+        el.x1 = x + 0.9;
+        el.x2 = x + 1.0;
+        el.y1 = y2;
+        el.y2 = y3;
+        g.push_back(el);
+
+        el.x1 = x + main_swbox_x1 + 0.0025 * ((idx ^ 1) + 35);
+        el.x2 = el.x1;
+        el.y1 = y2;
+        el.y2 = y + main_swbox_y1;
+        g.push_back(el);
+    }
+
+    // Vertical Span-4 Wires
+
+    if (id >= TILE_WIRE_SP4_V_T_36 && id <= TILE_WIRE_SP4_V_T_47) {
+        int idx = (id - TILE_WIRE_SP4_V_T_36) + 48;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float x1 = x + 0.03 + 0.0025 * (60 - idx);
+
+        el.y1 = y + 0.0;
+        el.y2 = y + 0.9;
+        el.x1 = x1;
+        el.x2 = x1;
+        g.push_back(el);
+
+        el.y1 = y + 0.03 + 0.0025 * (270 - idx);
+        el.y2 = el.y1;
+        el.x1 = x1;
+        el.x2 = x + main_swbox_x1;
+        g.push_back(el);
+    }
+
+    if (id >= TILE_WIRE_SP4_V_B_0 && id <= TILE_WIRE_SP4_V_B_47) {
+        int idx = id - TILE_WIRE_SP4_V_B_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float x1 = x + 0.03 + 0.0025 * (60 - (idx ^ 1));
+        float x2 = x + 0.03 + 0.0025 * (60 - idx);
+        float x3 = x + 0.03 + 0.0025 * (60 - idx - 12);
+
+        if (idx >= 12) {
+            el.y1 = y;
+            el.y2 = y + 0.01;
+            el.x1 = x1;
+            el.x2 = x1;
+            g.push_back(el);
+
+            el.y1 = y + 0.01;
+            el.y2 = y + 0.02;
+            el.x1 = x1;
+            el.x2 = x2;
+            g.push_back(el);
+        }
+
+        el.y1 = y + 0.02;
+        el.y2 = y + 0.9;
+        el.x1 = x2;
+        el.x2 = x2;
+        g.push_back(el);
+
+        el.y1 = y + 0.9;
+        el.y2 = y + 1.0;
+        el.x1 = x2;
+        el.x2 = x3;
+        g.push_back(el);
+
+        el.y1 = y + 0.03 + 0.0025 * (145 - idx);
+        el.y2 = el.y1;
+        el.x1 = x;
+        el.x2 = x2;
+        g.push_back(el);
+
+        el.y1 = y + 0.03 + 0.0025 * (270 - idx);
+        el.y2 = el.y1;
+        el.x1 = x2;
+        el.x2 = x + main_swbox_x1;
+        g.push_back(el);
+    }
+
+    // Horizontal Span-12 Wires
+
+    if (id >= TILE_WIRE_SP12_H_L_22 && id <= TILE_WIRE_SP12_H_L_23) {
+        int idx = (id - TILE_WIRE_SP12_H_L_22) + 24;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (90 - idx);
+
+        el.x1 = x + 0.0;
+        el.x2 = x + 0.98333;
+        el.y1 = y1;
+        el.y2 = y1;
+        g.push_back(el);
+
+        el.x1 = x + main_swbox_x1 + 0.0025 * (idx + 5);
+        el.x2 = el.x1;
+        el.y1 = y1;
+        el.y2 = y + main_swbox_y1;
+        g.push_back(el);
+    }
+
+    if (id >= TILE_WIRE_SP12_H_R_0 && id <= TILE_WIRE_SP12_H_R_23) {
+        int idx = id - TILE_WIRE_SP12_H_R_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (90 - (idx ^ 1));
+        float y2 = y + 0.03 + 0.0025 * (90 - idx);
+        float y3 = y + 0.03 + 0.0025 * (90 - idx - 2);
+
+        if (idx >= 2) {
+            el.x1 = x;
+            el.x2 = x + 0.01;
+            el.y1 = y1;
+            el.y2 = y1;
+            g.push_back(el);
+
+            el.x1 = x + 0.01;
+            el.x2 = x + 0.02;
+            el.y1 = y1;
+            el.y2 = y2;
+            g.push_back(el);
+        }
+
+        el.x1 = x + 0.02;
+        el.x2 = x + 0.98333;
+        el.y1 = y2;
+        el.y2 = y2;
+        g.push_back(el);
+
+        el.x1 = x + 0.98333;
+        el.x2 = x + 1.0;
+        el.y1 = y2;
+        el.y2 = y3;
+        g.push_back(el);
+
+        el.x1 = x + main_swbox_x1 + 0.0025 * (idx + 5);
+        el.x2 = el.x1;
+        el.y1 = y2;
+        el.y2 = y + main_swbox_y1;
+        g.push_back(el);
+    }
+
+    // Vertical Right Span-4
+
+    if (id >= TILE_WIRE_SP4_R_V_B_0 && id <= TILE_WIRE_SP4_R_V_B_47) {
+        int idx = id - TILE_WIRE_SP4_R_V_B_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (145 - idx);
+
+        el.y1 = y1;
+        el.y2 = y1;
+        el.x1 = x + main_swbox_x2;
+        el.x2 = x + 1.0;
+        g.push_back(el);
+    }
+
+    // Vertical Span-12 Wires
+
+    if (id >= TILE_WIRE_SP12_V_T_22 && id <= TILE_WIRE_SP12_V_T_23) {
+        int idx = (id - TILE_WIRE_SP12_V_T_22) + 24;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float x1 = x + 0.03 + 0.0025 * (90 - idx);
+
+        el.y1 = y + 0.0;
+        el.y2 = y + 0.98333;
+        el.x1 = x1;
+        el.x2 = x1;
+        g.push_back(el);
+
+        el.y1 = y + 0.03 + 0.0025 * (300 - idx);
+        el.y2 = el.y1;
+        el.x1 = x1;
+        el.x2 = x + main_swbox_x1;
+        g.push_back(el);
+    }
+
+    if (id >= TILE_WIRE_SP12_V_B_0 && id <= TILE_WIRE_SP12_V_B_23) {
+        int idx = id - TILE_WIRE_SP12_V_B_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float x1 = x + 0.03 + 0.0025 * (90 - idx);
+        float x2 = x + 0.03 + 0.0025 * (90 - (idx ^ 1));
+        float x3 = x + 0.03 + 0.0025 * (90 - (idx ^ 1) - 2);
+
+        if (idx >= 2) {
+            el.y1 = y;
+            el.y2 = y + 0.01;
+            el.x1 = x1;
+            el.x2 = x1;
+            g.push_back(el);
+
+            el.y1 = y + 0.01;
+            el.y2 = y + 0.02;
+            el.x1 = x1;
+            el.x2 = x2;
+            g.push_back(el);
+        }
+
+        el.y1 = y + 0.02;
+        el.y2 = y + 0.98333;
+        el.x1 = x2;
+        el.x2 = x2;
+        g.push_back(el);
+
+        el.y1 = y + 0.98333;
+        el.y2 = y + 1.0;
+        el.x1 = x2;
+        el.x2 = x3;
+        g.push_back(el);
+
+        el.y1 = y + 0.03 + 0.0025 * (300 - (idx ^ 1));
+        el.y2 = el.y1;
+        el.x1 = x2;
+        el.x2 = x + main_swbox_x1;
+        g.push_back(el);
+    }
+
+    // Global2Local
+
+    if (id >= TILE_WIRE_GLB2LOCAL_0 && id <= TILE_WIRE_GLB2LOCAL_3) {
+        int idx = id - TILE_WIRE_GLB2LOCAL_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+        el.x1 = x + main_swbox_x1 + 0.005 * (idx + 5);
+        el.x2 = el.x1;
+        el.y1 = y + main_swbox_y2;
+        el.y2 = el.y1 + 0.02;
+        g.push_back(el);
+    }
+
+    // GlobalNets
+
+    if (id >= TILE_WIRE_GLB_NETWK_0 && id <= TILE_WIRE_GLB_NETWK_7) {
+        int idx = id - TILE_WIRE_GLB_NETWK_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+        el.x1 = x + main_swbox_x1 - 0.05;
+        el.x2 = x + main_swbox_x1;
+        el.y1 = y + main_swbox_y2 - 0.005 * (13 - idx);
+        el.y2 = el.y1;
+        g.push_back(el);
+    }
+
+    // Neighbours
+
+    if (id >= TILE_WIRE_NEIGH_OP_BNL_0 && id <= TILE_WIRE_NEIGH_OP_TOP_7) {
+        int idx = id - TILE_WIRE_NEIGH_OP_BNL_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+        el.y1 = y + main_swbox_y1 + 0.0025 * (idx + 10) + 0.01 * (idx / 8);
+        el.y2 = el.y1;
+        el.x1 = x + main_swbox_x1 - 0.05;
+        el.x2 = x + main_swbox_x1;
+        g.push_back(el);
+    }
+
+    // Local Tracks
+
+    if (id >= TILE_WIRE_LOCAL_G0_0 && id <= TILE_WIRE_LOCAL_G3_7) {
+        int idx = id - TILE_WIRE_LOCAL_G0_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+        el.x1 = x + main_swbox_x2;
+        el.x2 = x + local_swbox_x1;
+        float yoff = y + (local_swbox_y1 + local_swbox_y2) / 2 - 0.005 * 16 - 0.075;
+        el.y1 = yoff + 0.005 * idx + 0.05 * (idx / 8);
+        el.y2 = el.y1;
+        g.push_back(el);
+    }
+
+    // LC Inputs
+
+    if (id >= TILE_WIRE_LUTFF_0_IN_0 && id <= TILE_WIRE_LUTFF_7_IN_3)  {
+        int idx = id - TILE_WIRE_LUTFF_0_IN_0;
+        int z = idx / 4;
+        int input = idx % 4;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+        el.x1 = x + local_swbox_x2;
+        el.x2 = x + logic_cell_x1;
+        el.y1 = y + 0.4675 + (0.005 * input) + z * logic_cell_pitch;
+        el.y2 = el.y1;
+        g.push_back(el);
+    }
+
+    // LC Outputs
+
+    if (id >= TILE_WIRE_LUTFF_0_OUT && id <= TILE_WIRE_LUTFF_7_OUT) {
+        int idx = id - TILE_WIRE_LUTFF_0_OUT;
+
+        float y1 = y + 0.03 + 0.0025 * (159 - idx);
+
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+        el.y1 = y1;
+        el.y2 = y1;
+        el.x1 = x + main_swbox_x2;
+        el.x2 = x + 0.97 + 0.0025 * idx;
+        g.push_back(el);
+
+        el.y1 = y1;
+        el.y2 = y + (logic_cell_y1 + logic_cell_y2) / 2 + idx * logic_cell_pitch;
+        el.x1 = el.x2;
+        g.push_back(el);
+
+        el.y1 = el.y2;
+        el.x1 = x + logic_cell_x2;
+        g.push_back(el);
+    }
+
+    // LC Control
+
+    if (id >= TILE_WIRE_LUTFF_GLOBAL_CEN && id <= TILE_WIRE_LUTFF_GLOBAL_S_R) {
+        int idx = id - TILE_WIRE_LUTFF_GLOBAL_CEN;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        el.x1 = x + main_swbox_x2 - 0.005 * (idx + 5);
+        el.x2 = el.x1;
+        el.y1 = y + main_swbox_y2;
+        el.y2 = el.y1 + 0.005 * (idx + 3);
+        g.push_back(el);
+
+        el.y1 = el.y2;
+        el.x2 = x + logic_cell_x2 - 0.005 * (2 - idx + 5);
+        g.push_back(el);
+
+        el.y2 = y + logic_cell_y2 + 7*logic_cell_pitch;
+        el.x1 = el.x2;
+        g.push_back(el);
+    }
+}
+
+NEXTPNR_NAMESPACE_END