Kingfisher: add BT initialization tool/service

5 files changed, 277 insertions, 0 deletions

diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch
new file mode 100644
index 0000000..85c7407
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-Improve-debug-output.patch
@@ -0,0 +1,125 @@
+From 3dd59ce6ef2bb0470e325be1fc5fb79b50842e31 Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Tue, 13 Dec 2016 19:21:00 +0300
+Subject: [PATCH] Improve debug output
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ uim.c | 51 +++++++++++++++++++++++++++++----------------------
+ 1 file changed, 29 insertions(+), 22 deletions(-)
+
+diff --git a/uim.c b/uim.c
+index 89bafd8..9a58eab 100644
+--- a/uim.c
++++ b/uim.c
+@@ -86,9 +86,10 @@ int read_hci_event(int fd, unsigned char *buf, int size)
+ 
+ 	UIM_START_FUNC();
+ 
+-	UIM_VER(" read_hci_event");
+-	if (size <= 0)
+-		return -1;
++	if (size <= 0) {
++		UIM_VER(" invalid size: %d", size);
++		return -EINVAL;
++	}
+ 
+ 	/* The first byte identifies the packet type. For HCI event packets, it
+ 	 * should be 0x04, so we read until we get to the 0x04. */
+@@ -98,7 +99,8 @@ int read_hci_event(int fd, unsigned char *buf, int size)
+ 			nanosleep(&tm, NULL);
+ 			continue;
+ 		} else if (rd_retry_count >= 4) {
+-			return -1;
++			UIM_VER(" no retry left. nothing readed");
++			return -EBUSY;
+ 		}
+ 
+ 		if (buf[0] == RESP_PREFIX) {
+@@ -110,8 +112,10 @@ int read_hci_event(int fd, unsigned char *buf, int size)
+ 	/* The next two bytes are the event code and parameter total length. */
+ 	while (count < 3) {
+ 		rd = read(fd, buf + count, 3 - count);
+-		if (rd <= 0)
+-			return -1;
++		if (rd <= 0) {
++			UIM_VER(" read failed: %d", rd);
++			return -EINVAL;
++		}
+ 		count += rd;
+ 	}
+ 
+@@ -123,8 +127,10 @@ int read_hci_event(int fd, unsigned char *buf, int size)
+ 
+ 	while ((count - 3) < remain) {
+ 		rd = read(fd, buf + count, remain - (count - 3));
+-		if (rd <= 0)
+-			return -1;
++		if (rd <= 0) {
++			UIM_VER(" failed to read buffer tail: %d", rd);
++			return -EINVAL;
++		}
+ 		count += rd;
+ 	}
+ 
+@@ -139,42 +145,43 @@ int read_hci_event(int fd, unsigned char *buf, int size)
+  */
+ static int read_command_complete(int fd, unsigned short opcode)
+ {
++	int ret = 0;
+ 	command_complete_t resp;
+ 
+ 	UIM_START_FUNC();
+ 
+-	UIM_VER(" Command complete started");
+-	if (read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0) {
+-		UIM_ERR("Invalid response");
+-		return -1;
++	ret = read_hci_event(fd, (unsigned char *)&resp, sizeof(resp));
++	if (ret < 0) {
++		UIM_ERR("Failed to read response: %d", ret);
++		return ret;
+ 	}
+ 
+ 	/* Response should be an event packet */
+ 	if (resp.uart_prefix != HCI_EVENT_PKT) {
+-		UIM_ERR	("Error in response: not an event packet, 0x%02x!",
+-			 resp.uart_prefix);
+-		return -1;
++		UIM_ERR	("Error in response: not an event packet, 0x%02x != 0x%02x!",
++			 resp.uart_prefix, HCI_EVENT_PKT);
++		return -EINVAL;
+ 	}
+ 
+ 	/* Response should be a command complete event */
+ 	if (resp.hci_hdr.evt != EVT_CMD_COMPLETE) {
+ 		/* event must be event-complete */
+-		UIM_ERR("Error in response: not a cmd-complete event,0x%02x!",
+-			 resp.hci_hdr.evt);
+-		return -1;
++		UIM_ERR("Error in response: not a cmd-complete event,0x%02x != 0x%02x!",
++			 resp.hci_hdr.evt, EVT_CMD_COMPLETE);
++		return -EINVAL;
+ 	}
+ 
+ 	if (resp.hci_hdr.plen < 4) {
+ 		/* plen >= 4 for EVT_CMD_COMPLETE */
+-		UIM_ERR("Error in response: plen is not >= 4, but 0x%02x!",
++		UIM_ERR("Error in response: length < 4, but 0x%02x!",
+ 				resp.hci_hdr.plen);
+-		return -1;
++		return -EINVAL;
+ 	}
+ 
+ 	if (resp.cmd_complete.opcode != (unsigned short)opcode) {
+-		UIM_ERR("Error in response: opcode is 0x%04x, not 0x%04x!",
++		UIM_ERR("Error in response: opcode is 0x%04x != 0x%04x!",
+ 				resp.cmd_complete.opcode, opcode);
+-		return -1;
++		return -EINVAL;
+ 	}
+ 
+ 	UIM_DBG("Command complete done");
+-- 
+1.8.3.1
+
diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch
new file mode 100644
index 0000000..3eeddec
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0001-fix-poll-restart-after-fail.patch
@@ -0,0 +1,52 @@
+From c4b8eca95c37d728c39c57811d975c50900605fd Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Tue, 31 May 2016 19:50:27 +0300
+Subject: [PATCH] fix poll restart after fail
+
+also add some delay before starting speaking with BT
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ uim.c |    5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/uim.c b/uim.c
+index 6bde5ca..89bafd8 100644
+--- a/uim.c
++++ b/uim.c
+@@ -286,6 +286,8 @@ int st_uart_config(unsigned char install)
+ 
+ 	UIM_START_FUNC();
+ 
++	usleep(100 * 1000);
++
+ 	if (install == '1') {
+ 		memset(buf, 0, UART_DEV_NAME_LEN);
+ 		fd = open(DEV_NAME_SYSFS, O_RDONLY);
+@@ -375,6 +377,7 @@ int st_uart_config(unsigned char install)
+ 
+ 			/* Read the response for the Change speed command */
+ 			if (read_command_complete(dev_fd, HCI_HDR_OPCODE) < 0) {
++				tcflush(dev_fd, TCIOFLUSH);
+ 				close(dev_fd);
+ 				return -1;
+ 			}
+@@ -534,7 +537,6 @@ int main(int argc, char *argv[])
+ 		return -1;
+ 	}
+ 
+-RE_POLL:
+ 	/* read to start proper poll */
+ 	err = read(st_fd, &install, 1);
+ 	/* special case where bluetoothd starts before the UIM, and UIM
+@@ -547,6 +549,7 @@ RE_POLL:
+ 
+ 	UIM_DBG("begin polling...");
+ 
++RE_POLL:
+ 	memset(&p, 0, sizeof(p));
+ 	p.fd = st_fd;
+ 	p.events = POLLERR | POLLPRI;
+-- 
+1.7.10.4
+
diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0002-Fix-possible-cross-compile-issue.patch b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0002-Fix-possible-cross-compile-issue.patch
new file mode 100644
index 0000000..e305dcd
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/0002-Fix-possible-cross-compile-issue.patch
@@ -0,0 +1,29 @@
+From 961301d5f9c8369f96b26d9255d249c8c26a8903 Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Fri, 26 May 2017 13:07:10 +0300
+Subject: [PATCH] Fix possible cross-compile issue
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ uim.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/uim.c b/uim.c
+index 197bfd4..61a89a5 100644
+--- a/uim.c
++++ b/uim.c
+@@ -367,8 +367,10 @@ int st_uart_config(unsigned char install)
+ 			UIM_VER("Setting speed to %ld", cust_baud_rate);
+ 			/* Forming the packet for Change speed command */
+ 			cmd.uart_prefix = HCI_COMMAND_PKT;
++			/* FIXME: endian */
+ 			cmd.hci_hdr.opcode = HCI_HDR_OPCODE;
+-			cmd.hci_hdr.plen = sizeof(unsigned long);
++			cmd.hci_hdr.plen = sizeof(uint32_t);
++			/* FIXME: endian */
+ 			cmd.speed = cust_baud_rate;
+ 
+ 			/* Writing the change speed command to the UART
+-- 
+2.13.0
+
diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/uim-sysfs b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/uim-sysfs
new file mode 100644
index 0000000..93c2cac
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/files/uim-sysfs
@@ -0,0 +1,36 @@
+#! /bin/sh
+
+uim="/usr/bin/uim"
+test -x "$uim" || exit 0
+
+case "$1" in
+  start)
+    echo -n "Starting uim-sysfs daemon"
+    modprobe st_drv
+    NODE=`cd /sys; find . | grep kim | grep install`
+    if [ $NODE ]
+    then
+        echo UIM SYSFS Node Found at /sys/$NODE
+    else
+        echo UIM SYSFS Node Not Found
+        rmmod st_drv
+        exit 0
+    fi
+    uim_args="-f `dirname /sys/$NODE`"
+    start-stop-daemon --start --quiet --pidfile /var/run/uim.pid --make-pidfile --exec $uim -- $uim_args &
+    modprobe btwilink
+    echo "."
+    ;;
+  stop)
+    echo -n "Stopping uim-sysfs daemon"
+    start-stop-daemon --stop --quiet --pidfile /var/run/uim.pid
+    rmmod btwilink
+    rmmod st_drv
+    echo "."
+    ;;
+  *)
+    echo "Usage: /etc/init.d/uim-sysfs {start|stop}"
+    exit 1
+esac
+
+exit 0
diff --git a/meta-rcar-gen3-adas/recipes-bsp/ti-bt/ti-bt_git.bb b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/ti-bt_git.bb
new file mode 100644
index 0000000..6986e2e
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-bsp/ti-bt/ti-bt_git.bb
@@ -0,0 +1,35 @@
+SUMMARY = "UIM tool for WL18xx module"
+SECTION = "misc"
+
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://uim.c;beginline=3;endline=16;md5=ee2f4f9fa92404f383fc3e6315b9dda3"
+
+inherit update-rc.d
+INITSCRIPT_NAME="uim-sysfs"
+INITSCRIPT_PARAMS = "start 20 2 3 4 5 ."
+
+PR = "0+gitr${SRCPV}"
+PV = "0.1"
+
+SRC_URI = "git://git.ti.com/ti-bt/uim.git;protocol=git \
+    file://0001-fix-poll-restart-after-fail.patch \
+    file://0001-Improve-debug-output.patch \
+    file://0002-Fix-possible-cross-compile-issue.patch \
+    file://uim-sysfs"
+SRCREV = "a75f45be2d5c74fc1dd913d08afc30f09a230aa9"
+
+S = "${WORKDIR}/git"
+
+do_install() {
+    install -d ${D}${bindir}
+    install -d ${D}${sysconfdir}/init.d
+
+    install -m 0755 uim ${D}${bindir}/
+    install -m 0755 ${WORKDIR}/uim-sysfs ${D}${sysconfdir}/init.d
+
+    # Blacklist st_drv and btwilink to prevent modules autoload
+    # /etc/init.d/uim-sysfs will do the work with the proper parameters
+    install -d ${D}/${sysconfdir}/modprobe.d
+    echo "blacklist st_drv" > ${D}/${sysconfdir}/modprobe.d/ti_bt.conf
+    echo "blacklist btwilink" >> ${D}/${sysconfdir}/modprobe.d/ti_bt.conf
+}
\ No newline at end of file