From 4ad48cb305b3f847ab7d3c2d3f59c27007519c77 Mon Sep 17 00:00:00 2001
From: illiliti <illiliti@thunix.net>
Date: Fri, 4 Mar 2022 06:10:27 +0300
Subject: Initial netbsd support

---
 common/drm.c      | 15 +++++++++++++++
 common/evdev.c    | 23 +++++++++++++++++++++++
 common/terminal.c | 18 ++++++++++++++++--
 3 files changed, 54 insertions(+), 2 deletions(-)

(limited to 'common')

diff --git a/common/drm.c b/common/drm.c
index 9591dc0..0d8096a 100644
--- a/common/drm.c
+++ b/common/drm.c
@@ -6,6 +6,11 @@
 #include <sys/sysmacros.h>
 #endif
 
+#if defined(__NetBSD__)
+#include <stdlib.h>
+#include <sys/stat.h>
+#endif
+
 #include "drm.h"
 
 // From libdrm
@@ -40,6 +45,16 @@ int path_is_drm(const char *path) {
 	static const int prefixlen = STRLEN(prefix);
 	return strncmp(prefix, path, prefixlen) == 0;
 }
+#elif defined(__NetBSD__)
+int path_is_drm(const char *path) {
+	static const char prefix[] = "/dev/dri/";
+	static const int prefixlen = STRLEN(prefix);
+	return strncmp(prefix, path, prefixlen) == 0;
+}
+
+int dev_is_drm(dev_t device) {
+	return major(device) == getdevmajor("drm", S_IFCHR);
+}
 #else
 #error Unsupported platform
 #endif
diff --git a/common/evdev.c b/common/evdev.c
index 4aff9bc..d2398fb 100644
--- a/common/evdev.c
+++ b/common/evdev.c
@@ -9,6 +9,9 @@
 #include <sys/sysmacros.h>
 #elif defined(__FreeBSD__)
 #include <dev/evdev/input.h>
+#elif defined(__NetBSD__)
+#include <stdlib.h>
+#include <sys/stat.h>
 #else
 #error Unsupported platform
 #endif
@@ -17,6 +20,7 @@
 
 #define STRLEN(s) ((sizeof(s) / sizeof(s[0])) - 1)
 
+#if defined(__linux__) || defined(__FreeBSD__)
 int path_is_evdev(const char *path) {
 	static const char prefix[] = "/dev/input/event";
 	static const size_t prefixlen = STRLEN(prefix);
@@ -26,9 +30,28 @@ int path_is_evdev(const char *path) {
 int evdev_revoke(int fd) {
 	return ioctl(fd, EVIOCREVOKE, NULL);
 }
+#endif
 
 #if defined(__linux__)
 int dev_is_evdev(dev_t device) {
 	return major(device) == INPUT_MAJOR;
 }
+#elif defined(__NetBSD__)
+int dev_is_evdev(dev_t device) {
+	return major(device) == getdevmajor("wskbd", S_IFCHR) ||
+	       major(device) == getdevmajor("wsmouse", S_IFCHR) ||
+	       major(device) == getdevmajor("wsmux", S_IFCHR);
+}
+int path_is_evdev(const char *path) {
+	const char *wskbd = "/dev/wskbd";
+	const char *wsmouse = "/dev/wsmouse";
+	const char *wsmux = "/dev/wsmux";
+	return strncmp(path, wskbd, STRLEN(wskbd)) == 0 ||
+	       strncmp(path, wsmouse, STRLEN(wsmouse)) == 0 ||
+	       strncmp(path, wsmux, STRLEN(wsmouse)) == 0;
+}
+int evdev_revoke(int fd) {
+	(void)fd;
+	return 0;
+}
 #endif
diff --git a/common/terminal.c b/common/terminal.c
index 0c3466f..183c9bd 100644
--- a/common/terminal.c
+++ b/common/terminal.c
@@ -21,6 +21,11 @@
 #define K_ENABLE  K_XLATE
 #define K_DISABLE K_RAW
 #define FRSIG     SIGIO
+#elif defined(__NetBSD__)
+#include <dev/wscons/wsdisplay_usl_io.h>
+#define K_ENABLE  K_XLATE
+#define K_DISABLE K_RAW
+#define FRSIG     0 // unimplemented
 #else
 #error Unsupported platform
 #endif
@@ -134,6 +139,14 @@ static int get_tty_path(int tty, char path[static TTYPATHLEN]) {
 	}
 	return 0;
 }
+#elif defined(__NetBSD__)
+static int get_tty_path(int tty, char path[static TTYPATHLEN]) {
+	assert(tty >= 0);
+	if (snprintf(path, TTYPATHLEN, "/dev/ttyE%d", tty) == -1) {
+		return -1;
+	}
+	return 0;
+}
 #else
 #error Unsupported platform
 #endif
@@ -153,7 +166,7 @@ int terminal_open(int vt) {
 }
 
 int terminal_current_vt(int fd) {
-#if defined(__linux__)
+#if defined(__linux__) || defined(__NetBSD__)
 	struct vt_stat st;
 	int res = ioctl(fd, VT_GETSTATE, &st);
 	close(fd);
@@ -231,12 +244,13 @@ int terminal_ack_acquire(int fd) {
 
 int terminal_set_keyboard(int fd, bool enable) {
 	log_debugf("Setting KD keyboard state to %d", enable);
+#if defined(__linux__) || defined(__NetBSD__)
 	if (ioctl(fd, KDSKBMODE, enable ? K_ENABLE : K_DISABLE) == -1) {
 		log_errorf("Could not set KD keyboard mode to %s: %s",
 			   enable ? "enabled" : "disabled", strerror(errno));
 		return -1;
 	}
-#if defined(__FreeBSD__)
+#elif defined(__FreeBSD__)
 	struct termios tios;
 	if (tcgetattr(fd, &tios) == -1) {
 		log_errorf("Could not set get terminal mode: %s", strerror(errno));
-- 
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