67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
//
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// Author: Wolfgang Spraul
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//
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// This is free and unencumbered software released into the public domain.
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// For details see the UNLICENSE file at the root of the source tree.
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//
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int fpga_find_iob(struct fpga_model* model, const char* sitename,
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int* y, int* x, int* idx);
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const char* fpga_iob_sitename(struct fpga_model* model, int y, int x,
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int idx);
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//
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// When dealing with devices, there are two indices:
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// 1. The index of the device in the device array for that tile.
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// 2. The index of the device within devices of the same type in the tile.
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//
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// Looks up a device pointer based on the type index.
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struct fpga_device* fpga_dev(struct fpga_model* model,
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int y, int x, enum fpgadev_type type, int type_idx);
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// Counts how many devices of type 'type' are in the device
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// array up to devidx.
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int fpga_dev_typecount(struct fpga_model* model, int y, int x,
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enum fpgadev_type type, int dev_idx);
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enum { A6_LUT, B6_LUT, C6_LUT, D6_LUT };
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// lut_len can be -1 (ZTERM)
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int fpga_set_lut(struct fpga_model* model, struct fpga_device* dev,
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int which_lut, const char* lut_str, int lut_len);
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// returns a connpt dest index, or -1 (NO_CONN) if no connection was found
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int fpga_conn_dest(struct fpga_model* model, int y, int x,
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const char* name, int dest_idx);
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const char* fpga_conn_to(struct fpga_model* model, int y, int x,
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int connpt_dest_idx, int* dest_y, int* dest_x);
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typedef int swidx_t;
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// SW_FROM and SW_TO values are chosen such that ! inverts them.
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#define SW_FROM 0
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#define SW_TO 1
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// returns a switch index, or -1 (NO_SWITCH) if no switch was found
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swidx_t fpga_switch_first(struct fpga_model* model, int y, int x,
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const char* name, int from_to);
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swidx_t fpga_switch_next(struct fpga_model* model, int y, int x,
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swidx_t last, int from_to);
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#define SW_TREE_NEXT 0 // use for name
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// returns -1 (NO_SWITCH) when there are no more switches in the tree
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swidx_t fpga_switch_tree(struct fpga_model* model, int y, int x,
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const char* name, int from_to, swidx_t** parents, int* num_parents);
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const char* fpga_switch_str(struct fpga_model* model, int y, int x,
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swidx_t swidx, int from_to);
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int fpga_switch_is_bidir(struct fpga_model* model, int y, int x,
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swidx_t swidx);
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int fpga_switch_is_enabled(struct fpga_model* model, int y, int x,
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swidx_t swidx);
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void fpga_switch_enable(struct fpga_model* model, int y, int x,
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swidx_t swidx);
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void fpga_switch_disable(struct fpga_model* model, int y, int x,
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swidx_t swidx);
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