IQ.Pilot Prebuilt Release @ ab07000

panda/drivers/spi/.gitignore

@@ -0,0 +1,7 @@
+spidev.c
+*.ko
+*.cmd
+*.mod
+*.symvers
+*.order
+*.mod.c

panda/drivers/spi/Makefile

@@ -0,0 +1,14 @@
+obj-m += spidev_panda.o
+
+KDIR := /lib/modules/$(shell uname -r)/build
+PWD := $(shell pwd)
+
+# GCC9 bug, apply kernel patch instead?
+# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b999ae3614d09d97a1575936bcee884f912b10e 
+ccflags-y := -Wno-missing-attributes
+
+default:
+	$(MAKE) -C $(KDIR) M=$(PWD) modules
+
+clean:
+	$(MAKE) -C $(KDIR) M=$(PWD) clean

panda/drivers/spi/load.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd $DIR
+
+make -j8
+
+sudo su -c "echo spi0.0 > /sys/bus/spi/drivers/spidev/unbind" || true
+
+sudo dmesg -C
+
+#sudo rmmod -f spidev_panda
+sudo rmmod spidev_panda || true
+sudo insmod spidev_panda.ko
+
+sudo su -c "echo 'file $DIR/spidev_panda.c +p' > /sys/kernel/debug/dynamic_debug/control"
+sudo su -c "echo 'file $DIR/spi_panda.h +p' > /sys/kernel/debug/dynamic_debug/control"
+
+sudo lsmod
+
+echo "loaded"
+ls -la /dev/spi*
+sudo chmod 666 /dev/spi*
+ipython -c "from panda import Panda; print(Panda.list())"
+KERN=1 ipython -c "from panda import Panda; print(Panda.list())"
+dmesg

panda/drivers/spi/patch

@@ -0,0 +1,33 @@
+53c53,54
+< #define SPIDEV_MAJOR			153	/* assigned */
+---
+> int SPIDEV_MAJOR = 0;
+> //#define SPIDEV_MAJOR			153     /* assigned */
+354a356,358
+> 
+> #include "spi_panda.h"
+> 
+413,414c417,419
+< 		retval = __put_user((spi->mode & SPI_LSB_FIRST) ?  1 : 0,
+< 					(__u8 __user *)arg);
+---
+> 		retval = panda_transfer(spidev, spi, arg);
+> 		//retval = __put_user((spi->mode & SPI_LSB_FIRST) ?  1 : 0,
+> 		//			(__u8 __user *)arg);
+697,698d701
+< 	{ .compatible = "rohm,dh2228fv" },
+< 	{ .compatible = "lineartechnology,ltc2488" },
+831c834
+< 		.name =		"spidev",
+---
+> 		.name =		"spidev_panda",
+856c859
+< 	status = register_chrdev(SPIDEV_MAJOR, "spi", &spidev_fops);
+---
+> 	status = register_chrdev(0, "spi", &spidev_fops);
+860c863,865
+< 	spidev_class = class_create(THIS_MODULE, "spidev");
+---
+> 	SPIDEV_MAJOR = status;
+> 
+> 	spidev_class = class_create(THIS_MODULE, "spidev_panda");

panda/drivers/spi/pull-src.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd $DIR
+
+rm -f spidev.c
+wget https://raw.githubusercontent.com/commaai/agnos-kernel-sdm845/master/drivers/spi/spidev.c
+
+# diff spidev.c spidev_panda.c > patch
+# git diff --no-index spidev.c spidev_panda.c
+patch -o spidev_panda.c spidev.c -i patch