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path: root/drivers/bluetooth/hci_bcm.c
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Diffstat (limited to 'drivers/bluetooth/hci_bcm.c')
-rw-r--r--drivers/bluetooth/hci_bcm.c60
1 files changed, 45 insertions, 15 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 2b6c0e1922cb..83bf5d4330c4 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -55,12 +55,14 @@
* @drive_rts_on_open: drive RTS signal on ->open() when platform requires it
* @no_uart_clock_set: UART clock set command for >3Mbps mode is unavailable
* @max_autobaud_speed: max baudrate supported by device in autobaud mode
+ * @max_speed: max baudrate supported
*/
struct bcm_device_data {
bool no_early_set_baudrate;
bool drive_rts_on_open;
bool no_uart_clock_set;
u32 max_autobaud_speed;
+ u32 max_speed;
};
/**
@@ -888,7 +890,7 @@ unlock:
#endif
/* Some firmware reports an IRQ which does not work (wrong pin in fw table?) */
-static struct gpiod_lookup_table asus_tf103c_irq_gpios = {
+static struct gpiod_lookup_table irq_on_int33fc02_pin17_gpios = {
.dev_id = "serial0-0",
.table = {
GPIO_LOOKUP("INT33FC:02", 17, "host-wakeup-alt", GPIO_ACTIVE_HIGH),
@@ -898,12 +900,31 @@ static struct gpiod_lookup_table asus_tf103c_irq_gpios = {
static const struct dmi_system_id bcm_broken_irq_dmi_table[] = {
{
+ .ident = "Acer Iconia One 7 B1-750",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VESPA2"),
+ },
+ .driver_data = &irq_on_int33fc02_pin17_gpios,
+ },
+ {
.ident = "Asus TF103C",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"),
},
- .driver_data = &asus_tf103c_irq_gpios,
+ .driver_data = &irq_on_int33fc02_pin17_gpios,
+ },
+ {
+ .ident = "Lenovo Yoga Tablet 2 830F/L / 1050F/L",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+ DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+ /* Partial match on beginning of BIOS version */
+ DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"),
+ },
+ .driver_data = &irq_on_int33fc02_pin17_gpios,
},
{
.ident = "Meegopad T08",
@@ -1300,6 +1321,12 @@ static const struct hci_uart_proto bcm_proto = {
};
#ifdef CONFIG_ACPI
+
+/* bcm43430a0/a1 BT does not support 48MHz UART clock, limit to 2000000 baud */
+static struct bcm_device_data bcm43430_device_data = {
+ .max_speed = 2000000,
+};
+
static const struct acpi_device_id bcm_acpi_match[] = {
{ "BCM2E00" },
{ "BCM2E01" },
@@ -1414,19 +1441,19 @@ static const struct acpi_device_id bcm_acpi_match[] = {
{ "BCM2E71" },
{ "BCM2E72" },
{ "BCM2E73" },
- { "BCM2E74" },
- { "BCM2E75" },
+ { "BCM2E74", (long)&bcm43430_device_data },
+ { "BCM2E75", (long)&bcm43430_device_data },
{ "BCM2E76" },
{ "BCM2E77" },
{ "BCM2E78" },
{ "BCM2E79" },
{ "BCM2E7A" },
- { "BCM2E7B" },
+ { "BCM2E7B", (long)&bcm43430_device_data },
{ "BCM2E7C" },
{ "BCM2E7D" },
{ "BCM2E7E" },
{ "BCM2E7F" },
- { "BCM2E80" },
+ { "BCM2E80", (long)&bcm43430_device_data },
{ "BCM2E81" },
{ "BCM2E82" },
{ "BCM2E83" },
@@ -1435,7 +1462,7 @@ static const struct acpi_device_id bcm_acpi_match[] = {
{ "BCM2E86" },
{ "BCM2E87" },
{ "BCM2E88" },
- { "BCM2E89" },
+ { "BCM2E89", (long)&bcm43430_device_data },
{ "BCM2E8A" },
{ "BCM2E8B" },
{ "BCM2E8C" },
@@ -1444,29 +1471,30 @@ static const struct acpi_device_id bcm_acpi_match[] = {
{ "BCM2E90" },
{ "BCM2E92" },
{ "BCM2E93" },
- { "BCM2E94" },
+ { "BCM2E94", (long)&bcm43430_device_data },
{ "BCM2E95" },
{ "BCM2E96" },
{ "BCM2E97" },
{ "BCM2E98" },
- { "BCM2E99" },
+ { "BCM2E99", (long)&bcm43430_device_data },
{ "BCM2E9A" },
- { "BCM2E9B" },
+ { "BCM2E9B", (long)&bcm43430_device_data },
{ "BCM2E9C" },
{ "BCM2E9D" },
+ { "BCM2E9F", (long)&bcm43430_device_data },
{ "BCM2EA0" },
{ "BCM2EA1" },
- { "BCM2EA2" },
- { "BCM2EA3" },
+ { "BCM2EA2", (long)&bcm43430_device_data },
+ { "BCM2EA3", (long)&bcm43430_device_data },
{ "BCM2EA4" },
{ "BCM2EA5" },
{ "BCM2EA6" },
{ "BCM2EA7" },
{ "BCM2EA8" },
{ "BCM2EA9" },
- { "BCM2EAA" },
- { "BCM2EAB" },
- { "BCM2EAC" },
+ { "BCM2EAA", (long)&bcm43430_device_data },
+ { "BCM2EAB", (long)&bcm43430_device_data },
+ { "BCM2EAC", (long)&bcm43430_device_data },
{ },
};
MODULE_DEVICE_TABLE(acpi, bcm_acpi_match);
@@ -1535,6 +1563,8 @@ static int bcm_serdev_probe(struct serdev_device *serdev)
bcmdev->no_early_set_baudrate = data->no_early_set_baudrate;
bcmdev->drive_rts_on_open = data->drive_rts_on_open;
bcmdev->no_uart_clock_set = data->no_uart_clock_set;
+ if (data->max_speed && bcmdev->oper_speed > data->max_speed)
+ bcmdev->oper_speed = data->max_speed;
}
return hci_uart_register_device(&bcmdev->serdev_hu, &bcm_proto);