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authorJeremy Cline <jeremy@jcline.org>2018-08-02 17:57:19 +0300
committerMarcel Holtmann <marcel@holtmann.org>2018-08-03 14:27:47 +0300
commit4eb3cbc4c4dbd3185c9e7595e38ed01a87bba80f (patch)
tree88ec01be5e9e59f959a66cd19e8cfcaee43429ab /drivers/bluetooth/hci_h5.c
parentce945552fde4a09f0bd4c0a33b8694b8515e2bd9 (diff)
downloadlinux-4eb3cbc4c4dbd3185c9e7595e38ed01a87bba80f.tar.xz
Bluetooth: hci_h5: Add vendor setup, open, and close callbacks
Allow vendor-specific setup, open, and close functions to be defined. Signed-off-by: Jeremy Cline <jeremy@jcline.org> [hdegoede@redhat.com: Port from bt3wire.c to hci_h5.c, drop dt support] Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/hci_h5.c')
-rw-r--r--drivers/bluetooth/hci_h5.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 672f63623bf7..b3f762291e7f 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -21,8 +21,10 @@
*
*/
-#include <linux/kernel.h>
+#include <linux/acpi.h>
#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
#include <linux/serdev.h>
#include <linux/skbuff.h>
@@ -99,6 +101,15 @@ struct h5 {
H5_SLEEPING,
H5_WAKING_UP,
} sleep;
+
+ const struct h5_vnd *vnd;
+ const char *id;
+};
+
+struct h5_vnd {
+ int (*setup)(struct h5 *h5);
+ void (*open)(struct h5 *h5);
+ void (*close)(struct h5 *h5);
};
static void h5_reset_rx(struct h5 *h5);
@@ -218,6 +229,9 @@ static int h5_open(struct hci_uart *hu)
h5->tx_win = H5_TX_WIN_MAX;
+ if (h5->vnd && h5->vnd->open)
+ h5->vnd->open(h5);
+
set_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags);
/* Send initial sync request */
@@ -237,12 +251,25 @@ static int h5_close(struct hci_uart *hu)
skb_queue_purge(&h5->rel);
skb_queue_purge(&h5->unrel);
+ if (h5->vnd && h5->vnd->close)
+ h5->vnd->close(h5);
+
if (!hu->serdev)
kfree(h5);
return 0;
}
+static int h5_setup(struct hci_uart *hu)
+{
+ struct h5 *h5 = hu->priv;
+
+ if (h5->vnd && h5->vnd->setup)
+ return h5->vnd->setup(h5);
+
+ return 0;
+}
+
static void h5_pkt_cull(struct h5 *h5)
{
struct sk_buff *skb, *tmp;
@@ -753,6 +780,7 @@ static const struct hci_uart_proto h5p = {
.name = "Three-wire (H5)",
.open = h5_open,
.close = h5_close,
+ .setup = h5_setup,
.recv = h5_recv,
.enqueue = h5_enqueue,
.dequeue = h5_dequeue,
@@ -761,6 +789,7 @@ static const struct hci_uart_proto h5p = {
static int h5_serdev_probe(struct serdev_device *serdev)
{
+ const struct acpi_device_id *match;
struct device *dev = &serdev->dev;
struct h5 *h5;
@@ -774,6 +803,15 @@ static int h5_serdev_probe(struct serdev_device *serdev)
h5->serdev_hu.serdev = serdev;
serdev_device_set_drvdata(serdev, h5);
+ if (has_acpi_companion(dev)) {
+ match = acpi_match_device(dev->driver->acpi_match_table, dev);
+ if (!match)
+ return -ENODEV;
+
+ h5->vnd = (const struct h5_vnd *)match->driver_data;
+ h5->id = (char *)match->id;
+ }
+
return hci_uart_register_device(&h5->serdev_hu, &h5p);
}