Factor out a libhw

1 files changed, 0 insertions, 63 deletions

diff --git a/cmd/sbc_harness/hw/rp2040_hwspi.h b/cmd/sbc_harness/hw/rp2040_hwspi.h
deleted file mode 100644
index 393eae6..0000000
--- a/cmd/sbc_harness/hw/rp2040_hwspi.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* hw/rp2040_hwspi.h - `implements_spi` implementation for the RP2040's
- *                     ARM Primecell SSP (PL022) (header file)
- *
- * Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
- * SPDX-Licence-Identifier: AGPL-3.0-or-later
- */
-
-#ifndef _HW_RP2040_HWSPI_H_
-#define _HW_RP2040_HWSPI_H_
-
-#include <pico/binary_info.h> /* for bi_* */
-
-#include "hw/spi.h"
-
-enum rp2040_hwspi_instance {
-	RP2040_HWSPI_0 = 0,
-	RP2040_HWSPI_1 = 1,
-};
-
-struct rp2040_hwspi {
-	implements_spi;
-
-	void /*spi_inst_t*/    *inst;
-	uint                    pin_cs;
-};
-
-/**
- * Initialize an instance of `struct rp2040_hwspi`.
- *
- * @param self     : struct rp2040_hwspi        : the structure to initialize
- * @param name     : char *                     : a name for the SPI port; to include in the bininfo
- * @param inst_num : enum rp2040_hwspi_instance : the PL220 instance number; RP2040_HWSPI_{0,1}
- * @param mode     : enum spi_mode              : the SPI mode; SPI_MODE_{0..3}
- * @param pin_miso : uint                       : pin number; 0, 4, 16, or 20 for _HWSPI_0; 8, 12, 24, or 28 for _HWSPI_1
- * @param pin_mosi : uint                       : pin number; 3, 7, 19, or 23 for _HWSPI_0; 11, 15, or 27 for _HWSPI_1
- * @param pin_clk  : uint                       : pin number; 2, 6, 18, or 22 for _HWSPI_0; 10, 14, or 26 for _HWSPI_1
- * @param pin_cs   : uint                       : pin number; any unused GPIO pin
- *
- * There is no bit-order argument; the RP2040's hardware SPI always
- * uses MSB-first bit order.
- */
-#define rp2040_hwspi_init(self, name,                                    \
-                          inst_num, mode, baudrate_hz,                   \
-                          pin_miso, pin_mosi, pin_clk, pin_cs)           \
-	do {                                                             \
-		bi_decl(bi_4pins_with_names(pin_miso, name" SPI MISO",   \
-		                            pin_mosi, name" SPI MOSI",   \
-		                            pin_mosi, name" SPI CLK",    \
-		                            pin_mosi, name" SPI CS"));   \
-		_rp2040_hwspi_init(self,                                 \
-		                   inst_num, mode, baudrate_hz,          \
-		                   pin_miso, pin_mosi, pin_clk, pin_cs); \
-	} while(0)
-void _rp2040_hwspi_init(struct rp2040_hwspi *self,
-                        enum rp2040_hwspi_instance inst_num,
-                        enum spi_mode mode,
-                        uint baudrate_hz,
-                        uint pin_miso,
-                        uint pin_mosi,
-                        uint pin_clk,
-                        uint pin_cs);
-
-#endif /* _HW_RP2040_HWSPI_H_ */