Move hackrf_core.x driver instances to drivers.x (2/3)

firmware/common/clock_gen.c

@@ -23,7 +23,7 @@
 
 #include <stdint.h>
 
-#include "hackrf_core.h"
+#include "drivers.h"
 #include "hackrf_ui.h"
 #include "i2c_bus.h"
 #include "platform_detect.h"

firmware/common/clock_io.c

@@ -30,9 +30,9 @@
 #include <libopencm3/lpc43xx/gpdma.h>
 #include <libopencm3/lpc43xx/creg.h>
 
+#include "drivers.h"
 #include "gpdma.h"
 #include "gpio.h"
-#include "hackrf_core.h"
 #ifdef IS_PRALINE
 	#include "fpga.h"
 	#include "platform_gpio.h"

firmware/common/cpu_clock.c

@@ -29,7 +29,7 @@
 #endif
 
 #include "delay.h"
-#include "hackrf_core.h"
+#include "drivers.h"
 #include "i2c_bus.h"
 #ifdef IS_NOT_RAD1O
 	#include "platform_detect.h"

firmware/common/da7219.c

@@ -22,7 +22,7 @@
 #include <stdint.h>
 
 #include "da7219.h"
-#include "hackrf_core.h"
+#include "drivers.h"
 #include "i2c_bus.h"
 
 #define DA7219_REG_CHIP_ID1 0x81

firmware/common/drivers.c

@@ -0,0 +1,178 @@
+/*
+ * Copyright 2026 Great Scott Gadgets <info@greatscottgadgets.com>
+ *
+ * This file is part of HackRF.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "drivers.h"
+
+#include <stdbool.h>
+
+#include <libopencm3/lpc43xx/memorymap.h>
+#include <libopencm3/lpc43xx/ssp.h>
+
+#include "clock_gen.h"
+#include "i2c_lpc.h"
+#include "max283x.h"
+#include "max5864_target.h"
+#include "spi_bus.h"
+#include "w25q80bv_target.h"
+#if defined(IS_PRALINE)
+	#include "fpga.h"
+	#include "ice40_spi.h"
+#endif
+
+i2c_bus_t i2c0 = {
+	.obj = (void*) I2C0_BASE,
+	.start = i2c_lpc_start,
+	.stop = i2c_lpc_stop,
+	.transfer = i2c_lpc_transfer,
+};
+
+i2c_bus_t i2c1 = {
+	.obj = (void*) I2C1_BASE,
+	.start = i2c_lpc_start,
+	.stop = i2c_lpc_stop,
+	.transfer = i2c_lpc_transfer,
+};
+
+// const i2c_lpc_config_t i2c_config_si5351c_slow_clock = {
+// 	.duty_cycle_count = 15,
+// };
+
+const i2c_lpc_config_t i2c_config_si5351c_fast_clock = {
+	.duty_cycle_count = 255,
+};
+
+si5351c_driver_t clock_gen = {
+	.bus = &i2c0,
+	.i2c_address = 0x60,
+};
+
+ssp_config_t ssp_config_max283x = {
+	/* FIXME speed up once everything is working reliably */
+	/*
+	// Freq About 0.0498MHz / 49.8KHz => Freq = PCLK / (CPSDVSR * [SCR+1]) with PCLK=PLL1=204MHz
+	const uint8_t serial_clock_rate = 32;
+	const uint8_t clock_prescale_rate = 128;
+	*/
+	// Freq About 4.857MHz => Freq = PCLK / (CPSDVSR * [SCR+1]) with PCLK=PLL1=204MHz
+	.serial_clock_rate = 21,
+	.clock_prescale_rate = 2,
+};
+
+max283x_driver_t max283x = {};
+
+ssp_config_t ssp_config_max5864 = {
+	/* FIXME speed up once everything is working reliably */
+	/*
+	// Freq About 0.0498MHz / 49.8KHz => Freq = PCLK / (CPSDVSR * [SCR+1]) with PCLK=PLL1=204MHz
+	const uint8_t serial_clock_rate = 32;
+	const uint8_t clock_prescale_rate = 128;
+	*/
+	// Freq About 4.857MHz => Freq = PCLK / (CPSDVSR * [SCR+1]) with PCLK=PLL1=204MHz
+	.data_bits = SSP_DATA_8BITS,
+	.serial_clock_rate = 21,
+	.clock_prescale_rate = 2,
+};
+
+spi_bus_t spi_bus_ssp1 = {
+	.obj = (void*) SSP1_BASE,
+	.config = &ssp_config_max5864,
+	.start = spi_ssp_start,
+	.stop = spi_ssp_stop,
+	.transfer = spi_ssp_transfer,
+	.transfer_gather = spi_ssp_transfer_gather,
+};
+
+max5864_driver_t max5864 = {
+	.bus = &spi_bus_ssp1,
+	.target_init = max5864_target_init,
+};
+
+ssp_config_t ssp_config_w25q80bv = {
+	.data_bits = SSP_DATA_8BITS,
+	.serial_clock_rate = 2,
+	.clock_prescale_rate = 2,
+};
+
+spi_bus_t spi_bus_ssp0 = {
+	.obj = (void*) SSP0_BASE,
+	.config = &ssp_config_w25q80bv,
+	.start = spi_ssp_start,
+	.stop = spi_ssp_stop,
+	.transfer = spi_ssp_transfer,
+	.transfer_gather = spi_ssp_transfer_gather,
+};
+
+w25q80bv_driver_t spi_flash = {
+	.bus = &spi_bus_ssp0,
+	.target_init = w25q80bv_target_init,
+};
+
+sgpio_config_t sgpio_config = {
+	.slice_mode_multislice = true,
+};
+
+#ifdef IS_PRALINE
+ssp_config_t ssp_config_ice40_fpga = {
+	.data_bits = SSP_DATA_8BITS,
+	.spi_mode = SSP_CPOL_1_CPHA_1,
+	.serial_clock_rate = 21,
+	.clock_prescale_rate = 2,
+};
+
+ice40_spi_driver_t ice40 = {
+	.bus = &spi_bus_ssp1,
+};
+
+fpga_driver_t fpga = {
+	.bus = &ice40,
+};
+#endif
+
+radio_t radio = {
+	.sample_rate_cb = sample_rate_set,
+};
+
+rf_path_t rf_path = {
+	.switchctrl = 0,
+};
+
+jtag_gpio_t jtag_gpio_cpld = {};
+
+jtag_t jtag_cpld = {
+	.gpio = &jtag_gpio_cpld,
+};
+
+void ssp1_set_mode_max283x(void)
+{
+	spi_bus_start(&spi_bus_ssp1, &ssp_config_max283x);
+}
+
+void ssp1_set_mode_max5864(void)
+{
+	spi_bus_start(max5864.bus, &ssp_config_max5864);
+}
+
+#ifdef IS_PRALINE
+void ssp1_set_mode_ice40(void)
+{
+	spi_bus_start(&spi_bus_ssp1, &ssp_config_ice40_fpga);
+}
+#endif

firmware/common/drivers.h

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2026 Great Scott Gadgets <info@greatscottgadgets.com>
+ *
+ * This file is part of HackRF.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "cpld_jtag.h"
+#include "i2c_bus.h"
+#include "i2c_lpc.h"
+#include "max283x.h"
+#include "max5864.h"
+#include "mixer.h"
+#include "platform_detect.h" // IWYU pragma: keep
+#include "radio.h"
+#include "rf_path.h"
+#include "sgpio.h"
+#include "si5351c.h"
+#include "spi_ssp.h"
+#include "w25q80bv.h"
+#if defined(IS_PRALINE)
+	#include "fpga.h"
+	#include "ice40_spi.h"
+#endif
+
+/* TODO: Hide these configurations */
+extern const i2c_lpc_config_t i2c_config_si5351c_fast_clock;
+extern si5351c_driver_t clock_gen;
+extern ssp_config_t ssp_config_max283x;
+extern ssp_config_t ssp_config_max5864;
+extern ssp_config_t ssp_config_w25q80bv;
+
+#if defined(IS_PRALINE)
+extern ssp_config_t ssp_config_ice40_fpga;
+extern ice40_spi_driver_t ice40;
+extern fpga_driver_t fpga;
+#endif
+extern max283x_driver_t max283x;
+extern max5864_driver_t max5864;
+extern mixer_driver_t mixer;
+extern w25q80bv_driver_t spi_flash;
+extern sgpio_config_t sgpio_config;
+extern radio_t radio;
+extern rf_path_t rf_path;
+extern jtag_gpio_t jtag_gpio_cpld;
+extern jtag_t jtag_cpld;
+extern i2c_bus_t i2c0;
+
+void ssp1_set_mode_max283x(void);
+void ssp1_set_mode_max5864(void);
+#if defined(IS_PRALINE)
+void ssp1_set_mode_ice40(void);
+#endif
+
+#ifdef __cplusplus
+}
+#endif

firmware/common/fpga.c

@@ -20,11 +20,11 @@
  */
 
 #include "fpga.h"
+#include "fpga_regs.def"
 
 #include <stdbool.h>
 
-#include "fpga_regs.def"
-#include "hackrf_core.h"
+#include "drivers.h"
 #include "ice40_spi.h"
 
 /* Set up all registers according to the loaded bitstream's defaults. */

firmware/common/fpga_image.c

@@ -23,8 +23,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include "drivers.h"
 #include "fpga.h"
-#include "hackrf_core.h"
 #include "ice40_spi.h"
 #include "lz4_blk.h"
 #include "selftest.h"

firmware/common/fpga_selftest.c

@@ -25,9 +25,9 @@
 
 #include "clock_gen.h"
 #include "delay.h"
+#include "drivers.h"
 #include "fixed_point.h"
 #include "fpga.h"
-#include "hackrf_core.h"
 #include "ice40_spi.h"
 #include "m0_state.h"
 #include "max283x.h"