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path: root/drivers/bluetooth
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-rw-r--r--drivers/bluetooth/Kconfig12
-rw-r--r--drivers/bluetooth/Makefile1
-rw-r--r--drivers/bluetooth/btintel_pcie.c18
-rw-r--r--drivers/bluetooth/btnxpuart.c1
-rw-r--r--drivers/bluetooth/btrtl.c23
-rw-r--r--drivers/bluetooth/btsdio.c1
-rw-r--r--drivers/bluetooth/btusb.c249
-rw-r--r--drivers/bluetooth/h4_recv.h7
-rw-r--r--drivers/bluetooth/hci_aml.c755
-rw-r--r--drivers/bluetooth/hci_ldisc.c11
-rw-r--r--drivers/bluetooth/hci_uart.h8
11 files changed, 929 insertions, 157 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 769fa288179d..18767b54df35 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -274,6 +274,18 @@ config BT_HCIUART_MRVL
Say Y here to compile support for HCI MRVL protocol.
+config BT_HCIUART_AML
+ bool "Amlogic protocol support"
+ depends on BT_HCIUART
+ depends on BT_HCIUART_SERDEV
+ select BT_HCIUART_H4
+ select FW_LOADER
+ help
+ The Amlogic protocol support enables Bluetooth HCI over serial
+ port interface for Amlogic Bluetooth controllers.
+
+ Say Y here to compile support for HCI AML protocol.
+
config BT_HCIBCM203X
tristate "HCI BCM203x USB driver"
depends on USB
diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile
index 0730d6684d1a..81856512ddd0 100644
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -51,4 +51,5 @@ hci_uart-$(CONFIG_BT_HCIUART_BCM) += hci_bcm.o
hci_uart-$(CONFIG_BT_HCIUART_QCA) += hci_qca.o
hci_uart-$(CONFIG_BT_HCIUART_AG6XX) += hci_ag6xx.o
hci_uart-$(CONFIG_BT_HCIUART_MRVL) += hci_mrvl.o
+hci_uart-$(CONFIG_BT_HCIUART_AML) += hci_aml.o
hci_uart-objs := $(hci_uart-y)
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 1c7631f22c52..fda47948c35d 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -46,6 +46,7 @@ MODULE_DEVICE_TABLE(pci, btintel_pcie_table);
#define BTINTEL_PCIE_HCI_ACL_PKT 0x00000002
#define BTINTEL_PCIE_HCI_SCO_PKT 0x00000003
#define BTINTEL_PCIE_HCI_EVT_PKT 0x00000004
+#define BTINTEL_PCIE_HCI_ISO_PKT 0x00000005
static inline void ipc_print_ia_ring(struct hci_dev *hdev, struct ia *ia,
u16 queue_num)
@@ -423,6 +424,18 @@ static int btintel_pcie_recv_frame(struct btintel_pcie_data *data,
goto exit_error;
}
break;
+
+ case BTINTEL_PCIE_HCI_ISO_PKT:
+ if (skb->len >= HCI_ISO_HDR_SIZE) {
+ plen = HCI_ISO_HDR_SIZE + __le16_to_cpu(hci_iso_hdr(skb)->dlen);
+ pkt_type = HCI_ISODATA_PKT;
+ } else {
+ bt_dev_err(hdev, "ISO packet is too short");
+ ret = -EILSEQ;
+ goto exit_error;
+ }
+ break;
+
default:
bt_dev_err(hdev, "Invalid packet type received: 0x%4.4x",
pcie_pkt_type);
@@ -1082,6 +1095,9 @@ static int btintel_pcie_send_frame(struct hci_dev *hdev,
type = BTINTEL_PCIE_HCI_SCO_PKT;
hdev->stat.sco_tx++;
break;
+ case HCI_ISODATA_PKT:
+ type = BTINTEL_PCIE_HCI_ISO_PKT;
+ break;
default:
bt_dev_err(hdev, "Unknown HCI packet type");
return -EILSEQ;
@@ -1208,7 +1224,7 @@ static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data)
int err;
struct hci_dev *hdev;
- hdev = hci_alloc_dev();
+ hdev = hci_alloc_dev_priv(sizeof(struct btintel_data));
if (!hdev)
return -ENOMEM;
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index ad1ec6f3685a..7c2030cec10e 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -1412,6 +1412,7 @@ static const struct h4_recv_pkt nxp_recv_pkts[] = {
{ H4_RECV_ACL, .recv = hci_recv_frame },
{ H4_RECV_SCO, .recv = hci_recv_frame },
{ H4_RECV_EVENT, .recv = hci_recv_frame },
+ { H4_RECV_ISO, .recv = hci_recv_frame },
{ NXP_RECV_CHIP_VER_V1, .recv = nxp_recv_chip_ver_v1 },
{ NXP_RECV_FW_REQ_V1, .recv = nxp_recv_fw_req_v1 },
{ NXP_RECV_CHIP_VER_V3, .recv = nxp_recv_chip_ver_v3 },
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index fd7991ea7672..2d95b3ea046d 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -30,6 +30,7 @@
#define RTL_ROM_LMP_8822B 0x8822
#define RTL_ROM_LMP_8852A 0x8852
#define RTL_ROM_LMP_8851B 0x8851
+#define RTL_ROM_LMP_8922A 0x8922
#define RTL_CONFIG_MAGIC 0x8723ab55
#define RTL_VSC_OP_COREDUMP 0xfcff
@@ -69,6 +70,7 @@ enum btrtl_chip_id {
CHIP_ID_8852B = 20,
CHIP_ID_8852C = 25,
CHIP_ID_8851B = 36,
+ CHIP_ID_8922A = 44,
CHIP_ID_8852BT = 47,
};
@@ -309,6 +311,15 @@ static const struct id_table ic_id_table[] = {
.cfg_name = "rtl_bt/rtl8851bu_config",
.hw_info = "rtl8851bu" },
+ /* 8922A */
+ { IC_INFO(RTL_ROM_LMP_8922A, 0xa, 0xc, HCI_USB),
+ .config_needed = false,
+ .has_rom_version = true,
+ .has_msft_ext = true,
+ .fw_name = "rtl_bt/rtl8922au_fw",
+ .cfg_name = "rtl_bt/rtl8922au_config",
+ .hw_info = "rtl8922au" },
+
/* 8852BT/8852BE-VT */
{ IC_INFO(RTL_ROM_LMP_8852A, 0x87, 0xc, HCI_USB),
.config_needed = false,
@@ -655,6 +666,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
{ RTL_ROM_LMP_8852A, 20 }, /* 8852B */
{ RTL_ROM_LMP_8852A, 25 }, /* 8852C */
{ RTL_ROM_LMP_8851B, 36 }, /* 8851B */
+ { RTL_ROM_LMP_8922A, 44 }, /* 8922A */
{ RTL_ROM_LMP_8852A, 47 }, /* 8852BT */
};
@@ -878,10 +890,8 @@ static int rtl_load_file(struct hci_dev *hdev, const char *name, u8 **buff)
if (ret < 0)
return ret;
ret = fw->size;
- *buff = kvmalloc(fw->size, GFP_KERNEL);
- if (*buff)
- memcpy(*buff, fw->data, ret);
- else
+ *buff = kvmemdup(fw->data, fw->size, GFP_KERNEL);
+ if (!*buff)
ret = -ENOMEM;
release_firmware(fw);
@@ -1255,6 +1265,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
case RTL_ROM_LMP_8852A:
case RTL_ROM_LMP_8703B:
case RTL_ROM_LMP_8851B:
+ case RTL_ROM_LMP_8922A:
err = btrtl_setup_rtl8723b(hdev, btrtl_dev);
break;
default:
@@ -1286,6 +1297,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
case CHIP_ID_8852B:
case CHIP_ID_8852C:
case CHIP_ID_8851B:
+ case CHIP_ID_8922A:
case CHIP_ID_8852BT:
set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
@@ -1296,6 +1308,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
btrealtek_set_flag(hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP);
if (btrtl_dev->project_id == CHIP_ID_8852A ||
+ btrtl_dev->project_id == CHIP_ID_8852B ||
btrtl_dev->project_id == CHIP_ID_8852C)
set_bit(HCI_QUIRK_USE_MSFT_EXT_ADDRESS_FILTER, &hdev->quirks);
@@ -1528,3 +1541,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8852btu_config.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw_v2.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8922au_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8922au_config.bin");
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index fdcfe9c50313..a69feb08486a 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -295,6 +295,7 @@ static int btsdio_probe(struct sdio_func *func,
case SDIO_DEVICE_ID_BROADCOM_4345:
case SDIO_DEVICE_ID_BROADCOM_43455:
case SDIO_DEVICE_ID_BROADCOM_4356:
+ case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
return -ENODEV;
}
}
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 51d9d4532dda..6c9c761d5b93 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -59,7 +59,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_CW6622 BIT(19)
#define BTUSB_MEDIATEK BIT(20)
#define BTUSB_WIDEBAND_SPEECH BIT(21)
-#define BTUSB_VALID_LE_STATES BIT(22)
+#define BTUSB_INVALID_LE_STATES BIT(22)
#define BTUSB_QCA_WCN6855 BIT(23)
#define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24)
#define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25)
@@ -298,115 +298,79 @@ static const struct usb_device_id quirks_table[] = {
/* QCA WCN6855 chipset */
{ USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* QCA WCN785x chipset */
{ USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
@@ -540,6 +504,8 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
/* Realtek 8852BE Bluetooth devices */
{ USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK |
@@ -564,6 +530,17 @@ static const struct usb_device_id quirks_table[] = {
/* Realtek 8852BT/8852BE-VT Bluetooth devices */
{ USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+
+ /* Realtek 8922AE Bluetooth devices */
+ { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+
/* Realtek Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_REALTEK },
@@ -571,131 +548,102 @@ static const struct usb_device_id quirks_table[] = {
/* MediaTek Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* Additional MediaTek MT7615E Bluetooth devices */
{ USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK},
/* Additional MediaTek MT7663 Bluetooth devices */
{ USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* Additional MediaTek MT7668 Bluetooth devices */
{ USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* Additional MediaTek MT7921 Bluetooth devices */
{ USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3606), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* MediaTek MT7922 Bluetooth devices */
{ USB_DEVICE(0x13d3, 0x3585), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* MediaTek MT7922A Bluetooth devices */
{ USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3614), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3615), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
/* Additional MediaTek MT7925 Bluetooth devices */
{ USB_DEVICE(0x0489, 0xe113), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe118), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe11e), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3603), .driver_info = BTUSB_MEDIATEK |
- BTUSB_WIDEBAND_SPEECH |
- BTUSB_VALID_LE_STATES },
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3604), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
/* Additional Realtek 8723AE Bluetooth devices */
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
@@ -1397,7 +1345,10 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
if (!urb)
return -ENOMEM;
- size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+ /* Use maximum HCI Event size so the USB stack handles
+ * ZPL/short-transfer automatically.
+ */
+ size = HCI_MAX_EVENT_SIZE;
buf = kmalloc(size, mem_flags);
if (!buf) {
@@ -3956,7 +3907,7 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
- if (!(id->driver_info & BTUSB_VALID_LE_STATES))
+ if (id->driver_info & BTUSB_INVALID_LE_STATES)
set_bit(HCI_QUIRK_BROKEN_LE_STATES, &hdev->quirks);
if (id->driver_info & BTUSB_DIGIANSWER) {
diff --git a/drivers/bluetooth/h4_recv.h b/drivers/bluetooth/h4_recv.h
index 4f2c89742245..647d37ca4cdd 100644
--- a/drivers/bluetooth/h4_recv.h
+++ b/drivers/bluetooth/h4_recv.h
@@ -38,6 +38,13 @@ struct h4_recv_pkt {
.lsize = 1, \
.maxlen = HCI_MAX_EVENT_SIZE
+#define H4_RECV_ISO \
+ .type = HCI_ISODATA_PKT, \
+ .hlen = HCI_ISO_HDR_SIZE, \
+ .loff = 2, \
+ .lsize = 2, \
+ .maxlen = HCI_MAX_FRAME_SIZE
+
static inline struct sk_buff *h4_recv_buf(struct hci_dev *hdev,
struct sk_buff *skb,
const unsigned char *buffer,
diff --git a/drivers/bluetooth/hci_aml.c b/drivers/bluetooth/hci_aml.c
new file mode 100644
index 000000000000..dc9541e76d81
--- /dev/null
+++ b/drivers/bluetooth/hci_aml.c
@@ -0,0 +1,755 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Copyright (C) 2024 Amlogic, Inc. All rights reserved
+ */
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/property.h>
+#include <linux/of.h>
+#include <linux/serdev.h>
+#include <linux/clk.h>
+#include <linux/firmware.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci.h>
+
+#include "hci_uart.h"
+
+#define AML_EVT_HEAD_SIZE 4
+#define AML_BDADDR_DEFAULT (&(bdaddr_t) {{ 0x00, 0xff, 0x00, 0x22, 0x2d, 0xae }})
+
+#define AML_FIRMWARE_OPERATION_SIZE (248)
+#define AML_FIRMWARE_MAX_SIZE (512 * 1024)
+
+/* TCI command */
+#define AML_TCI_CMD_READ 0xFEF0
+#define AML_TCI_CMD_WRITE 0xFEF1
+#define AML_TCI_CMD_UPDATE_BAUDRATE 0xFEF2
+#define AML_TCI_CMD_HARDWARE_RESET 0xFEF2
+#define AML_TCI_CMD_DOWNLOAD_BT_FW 0xFEF3
+
+/* Vendor command */
+#define AML_BT_HCI_VENDOR_CMD 0xFC1A
+
+/* TCI operation parameter in controller chip */
+#define AML_OP_UART_MODE 0x00A30128
+#define AML_OP_EVT_ENABLE 0x00A70014
+#define AML_OP_MEM_HARD_TRANS_EN 0x00A7000C
+#define AML_OP_RF_CFG 0x00F03040
+#define AML_OP_RAM_POWER_CTR 0x00F03050
+#define AML_OP_HARDWARE_RST 0x00F03058
+#define AML_OP_ICCM_RAM_BASE 0x00000000
+#define AML_OP_DCCM_RAM_BASE 0x00D00000
+
+/* UART configuration */
+#define AML_UART_XMIT_EN BIT(12)
+#define AML_UART_RECV_EN BIT(13)
+#define AML_UART_TIMEOUT_INT_EN BIT(14)
+#define AML_UART_CLK_SOURCE 40000000
+
+/* Controller event */
+#define AML_EVT_EN BIT(24)
+
+/* RAM power control */
+#define AML_RAM_POWER_ON (0)
+#define AML_RAM_POWER_OFF (1)
+
+/* RF configuration */
+#define AML_RF_ANT_SINGLE BIT(28)
+#define AML_RF_ANT_DOUBLE BIT(29)
+
+/* Memory transaction */
+#define AML_MM_CTR_HARD_TRAS_EN BIT(27)
+
+/* Controller reset */
+#define AML_CTR_CPU_RESET BIT(8)
+#define AML_CTR_MAC_RESET BIT(9)
+#define AML_CTR_PHY_RESET BIT(10)
+
+enum {
+ FW_ICCM,
+ FW_DCCM
+};
+
+struct aml_fw_len {
+ u32 iccm_len;
+ u32 dccm_len;
+};
+
+struct aml_tci_rsp {
+ u8 num_cmd_packet;
+ u16 opcode;
+ u8 status;
+} __packed;
+
+struct aml_device_data {
+ int iccm_offset;
+ int dccm_offset;
+ bool is_coex;
+};
+
+struct aml_serdev {
+ struct hci_uart serdev_hu;
+ struct device *dev;
+ struct gpio_desc *bt_en_gpio;
+ struct regulator *bt_supply;
+ struct clk *lpo_clk;
+ const struct aml_device_data *aml_dev_data;
+ const char *firmware_name;
+};
+
+struct aml_data {
+ struct sk_buff *rx_skb;
+ struct sk_buff_head txq;
+};
+
+static const struct h4_recv_pkt aml_recv_pkts[] = {
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = hci_recv_frame },
+ { H4_RECV_ISO, .recv = hci_recv_frame },
+};
+
+/* The TCI command is a private command, which is for setting baud rate,
+ * downloading firmware, initiating RAM.
+ *
+ * op_code | op_len | op_addr | parameter |
+ * --------|-----------------------|---------|-------------|
+ * 2B | 1B len(addr+param) | 4B | len(param) |
+ */
+static int aml_send_tci_cmd(struct hci_dev *hdev, u16 op_code, u32 op_addr,
+ u32 *param, u32 param_len)
+{
+ struct aml_tci_rsp *rsp = NULL;
+ struct sk_buff *skb = NULL;
+ size_t buf_len = 0;
+ u8 *buf = NULL;
+ int err = 0;
+
+ buf_len = sizeof(op_addr) + param_len;
+ buf = kmalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ memcpy(buf, &op_addr, sizeof(op_addr));
+ if (param && param_len > 0)
+ memcpy(buf + sizeof(op_addr), param, param_len);
+
+ skb = __hci_cmd_sync_ev(hdev, op_code, buf_len, buf,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to send TCI cmd (error: %d)", err);
+ goto exit;
+ }
+
+ rsp = skb_pull_data(skb, sizeof(struct aml_tci_rsp));
+ if (!rsp)
+ goto skb_free;
+
+ if (rsp->opcode != op_code || rsp->status != 0x00) {
+ bt_dev_err(hdev, "send TCI cmd (0x%04X), response (0x%04X):(%d)",
+ op_code, rsp->opcode, rsp->status);
+ err = -EINVAL;
+ goto skb_free;
+ }
+
+skb_free:
+ kfree_skb(skb);
+
+exit:
+ kfree(buf);
+ return err;
+}
+
+static int aml_update_chip_baudrate(struct hci_dev *hdev, u32 baud)
+{
+ u32 value;
+
+ value = ((AML_UART_CLK_SOURCE / baud) - 1) & 0x0FFF;
+ value |= AML_UART_XMIT_EN | AML_UART_RECV_EN | AML_UART_TIMEOUT_INT_EN;
+
+ return aml_send_tci_cmd(hdev, AML_TCI_CMD_UPDATE_BAUDRATE,
+ AML_OP_UART_MODE, &value, sizeof(value));
+}
+
+static int aml_start_chip(struct hci_dev *hdev)
+{
+ u32 value = 0;
+ int ret;
+
+ value = AML_MM_CTR_HARD_TRAS_EN;
+ ret = aml_send_tci_cmd(hdev, AML_TCI_CMD_WRITE,
+ AML_OP_MEM_HARD_TRANS_EN,
+ &value, sizeof(value));
+ if (ret)
+ return ret;
+
+ /* controller hardware reset */
+ value = AML_CTR_CPU_RESET | AML_CTR_MAC_RESET | AML_CTR_PHY_RESET;
+ ret = aml_send_tci_cmd(hdev, AML_TCI_CMD_HARDWARE_RESET,
+ AML_OP_HARDWARE_RST,
+ &value, sizeof(value));
+ return ret;
+}
+
+static int aml_send_firmware_segment(struct hci_dev *hdev,
+ u8 fw_type,
+ u8 *seg,
+ u32 seg_size,
+ u32 offset)
+{
+ u32 op_addr = 0;
+
+ if (fw_type == FW_ICCM)
+ op_addr = AML_OP_ICCM_RAM_BASE + offset;
+ else if (fw_type == FW_DCCM)
+ op_addr = AML_OP_DCCM_RAM_BASE + offset;
+
+ return aml_send_tci_cmd(hdev, AML_TCI_CMD_DOWNLOAD_BT_FW,
+ op_addr, (u32 *)seg, seg_size);
+}
+
+static int aml_send_firmware(struct hci_dev *hdev, u8 fw_type,
+ u8 *fw, u32 fw_size, u32 offset)
+{
+ u32 seg_size = 0;
+ u32 seg_off = 0;
+
+ if (fw_size > AML_FIRMWARE_MAX_SIZE) {
+ bt_dev_err(hdev,
+ "Firmware size %d kB is larger than the maximum of 512 kB. Aborting.",
+ fw_size);
+ return -EINVAL;
+ }
+ while (fw_size > 0) {
+ seg_size = (fw_size > AML_FIRMWARE_OPERATION_SIZE) ?
+ AML_FIRMWARE_OPERATION_SIZE : fw_size;
+ if (aml_send_firmware_segment(hdev, fw_type, (fw + seg_off),
+ seg_size, offset)) {
+ bt_dev_err(hdev, "Failed send firmware, type: %d, offset: 0x%x",
+ fw_type, offset);
+ return -EINVAL;
+ }
+ seg_off += seg_size;
+ fw_size -= seg_size;
+ offset += seg_size;
+ }
+ return 0;
+}
+
+static int aml_download_firmware(struct hci_dev *hdev, const char *fw_name)
+{
+ struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct aml_serdev *amldev = serdev_device_get_drvdata(hu->serdev);
+ const struct firmware *firmware = NULL;
+ struct aml_fw_len *fw_len = NULL;
+ u8 *iccm_start = NULL, *dccm_start = NULL;
+ u32 iccm_len, dccm_len;
+ u32 value = 0;
+ int ret = 0;
+
+ /* Enable firmware download event */
+ value = AML_EVT_EN;
+ ret = aml_send_tci_cmd(hdev, AML_TCI_CMD_WRITE,
+ AML_OP_EVT_ENABLE,
+ &value, sizeof(value));
+ if (ret)
+ goto exit;
+
+ /* RAM power on */
+ value = AML_RAM_POWER_ON;
+ ret = aml_send_tci_cmd(hdev, AML_TCI_CMD_WRITE,
+ AML_OP_RAM_POWER_CTR,
+ &value, sizeof(value));
+ if (ret)
+ goto exit;
+
+ /* Check RAM power status */
+ ret = aml_send_tci_cmd(hdev, AML_TCI_CMD_READ,
+ AML_OP_RAM_POWER_CTR, NULL, 0);
+ if (ret)
+ goto exit;
+
+ ret = request_firmware(&firmware, fw_name, &hdev->dev);
+ if (ret < 0) {
+ bt_dev_err(hdev, "Failed to load <%s>:(%d)", fw_name, ret);
+ goto exit;
+ }
+
+ fw_len = (struct aml_fw_len *)firmware->data;
+
+ /* Download ICCM */
+ iccm_start = (u8 *)(firmware->data) + sizeof(struct aml_fw_len)
+ + amldev->aml_dev_data->iccm_offset;
+ iccm_len = fw_len->iccm_len - amldev->aml_dev_data->iccm_offset;
+ ret = aml_send_firmware(hdev, FW_ICCM, iccm_start, iccm_len,
+ amldev->aml_dev_data->iccm_offset);
+ if (ret) {
+ bt_dev_err(hdev, "Failed to send FW_ICCM (%d)", ret);
+ goto exit;
+ }
+
+ /* Download DCCM */
+ dccm_start = (u8 *)(firmware->data) + sizeof(struct aml_fw_len) + fw_len->iccm_len;
+ dccm_len = fw_len->dccm_len;
+ ret = aml_send_firmware(hdev, FW_DCCM, dccm_start, dccm_len,
+ amldev->aml_dev_data->dccm_offset);
+ if (ret) {
+ bt_dev_err(hdev, "Failed to send FW_DCCM (%d)", ret);
+ goto exit;
+ }
+
+ /* Disable firmware download event */
+ value = 0;
+ ret = aml_send_tci_cmd(hdev, AML_TCI_CMD_WRITE,
+ AML_OP_EVT_ENABLE,
+ &value, sizeof(value));
+ if (ret)
+ goto exit;
+
+exit:
+ if (firmware)
+ release_firmware(firmware);
+ return ret;
+}
+
+static int aml_send_reset(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err;
+
+ skb = __hci_cmd_sync_ev(hdev, HCI_OP_RESET, 0, NULL,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to send hci reset cmd (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+ return 0;
+}
+
+static int aml_dump_fw_version(struct hci_dev *hdev)
+{
+ struct aml_tci_rsp *rsp = NULL;
+ struct sk_buff *skb;
+ u8 value[6] = {0};
+ u8 *fw_ver = NULL;
+ int err = 0;
+
+ skb = __hci_cmd_sync_ev(hdev, AML_BT_HCI_VENDOR_CMD, sizeof(value), value,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to get fw version (error: %d)", err);
+ return err;
+ }
+
+ rsp = skb_pull_data(skb, sizeof(struct aml_tci_rsp));
+ if (!rsp)
+ goto exit;
+
+ if (rsp->opcode != AML_BT_HCI_VENDOR_CMD || rsp->status != 0x00) {
+ bt_dev_err(hdev, "dump version, error response (0x%04X):(%d)",
+ rsp->opcode, rsp->status);
+ err = -EINVAL;
+ goto exit;
+ }
+
+ fw_ver = (u8 *)rsp + AML_EVT_HEAD_SIZE;
+ bt_dev_info(hdev, "fw_version: date = %02x.%02x, number = 0x%02x%02x",
+ *(fw_ver + 1), *fw_ver, *(fw_ver + 3), *(fw_ver + 2));
+
+exit:
+ kfree_skb(skb);
+ return err;
+}
+
+static int aml_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ struct aml_tci_rsp *rsp = NULL;
+ struct sk_buff *skb;
+ int err = 0;
+
+ bt_dev_info(hdev, "set bdaddr (%pM)", bdaddr);
+ skb = __hci_cmd_sync_ev(hdev, AML_BT_HCI_VENDOR_CMD,
+ sizeof(bdaddr_t), bdaddr,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to set bdaddr (error: %d)", err);
+ return err;
+ }
+
+ rsp = skb_pull_data(skb, sizeof(struct aml_tci_rsp));
+ if (!rsp)
+ goto exit;
+
+ if (rsp->opcode != AML_BT_HCI_VENDOR_CMD || rsp->status != 0x00) {
+ bt_dev_err(hdev, "error response (0x%x):(%d)", rsp->opcode, rsp->status);
+ err = -EINVAL;
+ goto exit;
+ }
+
+exit:
+ kfree_skb(skb);
+ return err;
+}
+
+static int aml_check_bdaddr(struct hci_dev *hdev)
+{
+ struct hci_rp_read_bd_addr *paddr;
+ struct sk_buff *skb;
+ int err;
+
+ if (bacmp(&hdev->public_addr, BDADDR_ANY))
+ return 0;
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to read bdaddr (error: %d)", err);
+ return err;
+ }
+
+ paddr = skb_pull_data(skb, sizeof(struct hci_rp_read_bd_addr));
+ if (!paddr)
+ goto exit;
+
+ if (!bacmp(&paddr->bdaddr, AML_BDADDR_DEFAULT)) {
+ bt_dev_info(hdev, "amlbt using default bdaddr (%pM)", &paddr->bdaddr);
+ set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+ }
+
+exit:
+ kfree_skb(skb);
+ return 0;
+}
+
+static int aml_config_rf(struct hci_dev *hdev, bool is_coex)
+{
+ u32 value = AML_RF_ANT_DOUBLE;
+
+ /* Use a single antenna when co-existing with wifi */
+ if (is_coex)
+ value = AML_RF_ANT_SINGLE;
+
+ return aml_send_tci_cmd(hdev, AML_TCI_CMD_WRITE,
+ AML_OP_RF_CFG,
+ &value, sizeof(value));
+}
+
+static int aml_parse_dt(struct aml_serdev *amldev)
+{
+ struct device *pdev = amldev->dev;
+
+ amldev->bt_en_gpio = devm_gpiod_get(pdev, "enable",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(amldev->bt_en_gpio)) {
+ dev_err(pdev, "Failed to acquire enable gpios");
+ return PTR_ERR(amldev->bt_en_gpio);
+ }
+
+ if (device_property_read_string(pdev, "firmware-name",
+ &amldev->firmware_name)) {
+ dev_err(pdev, "Failed to acquire firmware path");
+ return -ENODEV;
+ }
+
+ amldev->bt_supply = devm_regulator_get(pdev, "vddio");
+ if (IS_ERR(amldev->bt_supply)) {
+ dev_err(pdev, "Failed to acquire regulator");
+ return PTR_ERR(amldev->bt_supply);
+ }
+
+ amldev->lpo_clk = devm_clk_get(pdev, NULL);
+ if (IS_ERR(amldev->lpo_clk)) {
+ dev_err(pdev, "Failed to acquire clock source");
+ return PTR_ERR(amldev->lpo_clk);
+ }
+
+ return 0;
+}
+
+static int aml_power_on(struct aml_serdev *amldev)
+{
+ int err;
+
+ err = regulator_enable(amldev->bt_supply);
+ if (err) {
+ dev_err(amldev->dev, "Failed to enable regulator: (%d)", err);
+ return err;
+ }
+
+ err = clk_prepare_enable(amldev->lpo_clk);
+ if (err) {
+ dev_err(amldev->dev, "Failed to enable lpo clock: (%d)", err);
+ return err;
+ }
+
+ gpiod_set_value_cansleep(amldev->bt_en_gpio, 1);
+
+ /* Wait 20ms for bluetooth controller power on */
+ msleep(20);
+ return 0;
+}
+
+static int aml_power_off(struct aml_serdev *amldev)
+{
+ gpiod_set_value_cansleep(amldev->bt_en_gpio, 0);
+
+ clk_disable_unprepare(amldev->lpo_clk);
+
+ regulator_disable(amldev->bt_supply);
+
+ return 0;
+}
+
+static int aml_set_baudrate(struct hci_uart *hu, unsigned int speed)
+{
+ /* update controller baudrate */
+ if (aml_update_chip_baudrate(hu->hdev, speed) != 0) {
+ bt_dev_err(hu->hdev, "Failed to update baud rate");
+ return -EINVAL;
+ }
+
+ /* update local baudrate */
+ serdev_device_set_baudrate(hu->serdev, speed);
+
+ return 0;
+}
+
+/* Initialize protocol */
+static int aml_open(struct hci_uart *hu)
+{
+ struct aml_serdev *amldev = serdev_device_get_drvdata(hu->serdev);
+ struct aml_data *aml_data;
+ int err;
+
+ err = aml_parse_dt(amldev);
+ if (err)
+ return err;
+
+ if (!hci_uart_has_flow_control(hu)) {
+ bt_dev_err(hu->hdev, "no flow control");
+ return -EOPNOTSUPP;
+ }
+
+ aml_data = kzalloc(sizeof(*aml_data), GFP_KERNEL);
+ if (!aml_data)
+ return -ENOMEM;
+
+ skb_queue_head_init(&aml_data->txq);
+
+ hu->priv = aml_data;
+
+ return 0;
+}
+
+static int aml_close(struct hci_uart *hu)
+{
+ struct aml_serdev *amldev = serdev_device_get_drvdata(hu->serdev);
+ struct aml_data *aml_data = hu->priv;
+
+ skb_queue_purge(&aml_data->txq);
+ kfree_skb(aml_data->rx_skb);
+ kfree(aml_data);
+
+ hu->priv = NULL;
+
+ return aml_power_off(amldev);
+}
+
+static int aml_flush(struct hci_uart *hu)
+{
+ struct aml_data *aml_data = hu->priv;
+
+ skb_queue_purge(&aml_data->txq);
+
+ return 0;
+}
+
+static int aml_setup(struct hci_uart *hu)
+{
+ struct aml_serdev *amldev = serdev_device_get_drvdata(hu->serdev);
+ struct hci_dev *hdev = amldev->serdev_hu.hdev;
+ int err;
+
+ /* Setup bdaddr */
+ hdev->set_bdaddr = aml_set_bdaddr;
+
+ err = aml_power_on(amldev);
+ if (err)
+ return err;
+
+ err = aml_set_baudrate(hu, amldev->serdev_hu.proto->oper_speed);
+ if (err)
+ return err;
+
+ err = aml_download_firmware(hdev, amldev->firmware_name);
+ if (err)
+ return err;
+
+ err = aml_config_rf(hdev, amldev->aml_dev_data->is_coex);
+ if (err)
+ return err;
+
+ err = aml_start_chip(hdev);
+ if (err)
+ return err;
+
+ /* Wait 60ms for controller startup */
+ msleep(60);
+
+ err = aml_dump_fw_version(hdev);
+ if (err)
+ return err;
+
+ err = aml_send_reset(hdev);
+ if (err)
+ return err;
+
+ err = aml_check_bdaddr(hdev);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int aml_enqueue(struct hci_uart *hu, struct sk_buff *skb)
+{
+ struct aml_data *aml_data = hu->priv;
+
+ skb_queue_tail(&aml_data->txq, skb);
+
+ return 0;
+}
+
+static struct sk_buff *aml_dequeue(struct hci_uart *hu)
+{
+ struct aml_data *aml_data = hu->priv;
+ struct sk_buff *skb;
+
+ skb = skb_dequeue(&aml_data->txq);
+
+ /* Prepend skb with frame type */
+ if (skb)
+ memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+
+ return skb;
+}
+
+static int aml_recv(struct hci_uart *hu, const void *data, int count)
+{
+ struct aml_data *aml_data = hu->priv;
+ int err;
+
+ aml_data->rx_skb = h4_recv_buf(hu->hdev, aml_data->rx_skb, data, count,
+ aml_recv_pkts,
+ ARRAY_SIZE(aml_recv_pkts));
+ if (IS_ERR(aml_data->rx_skb)) {
+ err = PTR_ERR(aml_data->rx_skb);
+ bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);
+ aml_data->rx_skb = NULL;
+ return err;
+ }
+
+ return count;
+}
+
+static const struct hci_uart_proto aml_hci_proto = {
+ .id = HCI_UART_AML,
+ .name = "AML",
+ .init_speed = 115200,
+ .oper_speed = 4000000,
+ .open = aml_open,
+ .close = aml_close,
+ .setup = aml_setup,
+ .flush = aml_flush,
+ .recv = aml_recv,
+ .enqueue = aml_enqueue,
+ .dequeue = aml_dequeue,
+};
+
+static void aml_device_driver_shutdown(struct device *dev)
+{
+ struct aml_serdev *amldev = dev_get_drvdata(dev);
+
+ aml_power_off(amldev);
+}
+
+static int aml_serdev_probe(struct serdev_device *serdev)
+{
+ struct aml_serdev *amldev;
+ int err;
+
+ amldev = devm_kzalloc(&serdev->dev, sizeof(*amldev), GFP_KERNEL);
+ if (!amldev)
+ return -ENOMEM;
+
+ amldev->serdev_hu.serdev = serdev;
+ amldev->dev = &serdev->dev;
+ serdev_device_set_drvdata(serdev, amldev);
+
+ err = hci_uart_register_device(&amldev->serdev_hu, &aml_hci_proto);
+ if (err)
+ return dev_err_probe(amldev->dev, err,
+ "Failed to register hci uart device");
+
+ amldev->aml_dev_data = device_get_match_data(&serdev->dev);
+
+ return 0;
+}
+
+static void aml_serdev_remove(struct serdev_device *serdev)
+{
+ struct aml_serdev *amldev = serdev_device_get_drvdata(serdev);
+
+ hci_uart_unregister_device(&amldev->serdev_hu);
+}
+
+static const struct aml_device_data data_w155s2 = {
+ .iccm_offset = 256 * 1024,
+};
+
+static const struct aml_device_data data_w265s2 = {
+ .iccm_offset = 384 * 1024,
+};
+
+static const struct of_device_id aml_bluetooth_of_match[] = {
+ { .compatible = "amlogic,w155s2-bt", .data = &data_w155s2 },
+ { .compatible = "amlogic,w265s2-bt", .data = &data_w265s2 },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, aml_bluetooth_of_match);
+
+static struct serdev_device_driver aml_serdev_driver = {
+ .probe = aml_serdev_probe,
+ .remove = aml_serdev_remove,
+ .driver = {
+ .name = "hci_uart_aml",
+ .of_match_table = aml_bluetooth_of_match,
+ .shutdown = aml_device_driver_shutdown,
+ },
+};
+
+int __init aml_init(void)
+{
+ serdev_device_driver_register(&aml_serdev_driver);
+
+ return hci_uart_register_proto(&aml_hci_proto);
+}
+
+int __exit aml_deinit(void)
+{
+ serdev_device_driver_unregister(&aml_serdev_driver);
+
+ return hci_uart_unregister_proto(&aml_hci_proto);
+}
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 30192bb08354..395d66e32a2e 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -507,6 +507,9 @@ static int hci_uart_tty_open(struct tty_struct *tty)
hu->alignment = 1;
hu->padding = 0;
+ /* Use serial port speed as oper_speed */
+ hu->oper_speed = tty->termios.c_ospeed;
+
INIT_WORK(&hu->init_ready, hci_uart_init_work);
INIT_WORK(&hu->write_work, hci_uart_write_work);
@@ -870,7 +873,9 @@ static int __init hci_uart_init(void)
#ifdef CONFIG_BT_HCIUART_MRVL
mrvl_init();
#endif
-
+#ifdef CONFIG_BT_HCIUART_AML
+ aml_init();
+#endif
return 0;
}
@@ -906,7 +911,9 @@ static void __exit hci_uart_exit(void)
#ifdef CONFIG_BT_HCIUART_MRVL
mrvl_deinit();
#endif
-
+#ifdef CONFIG_BT_HCIUART_AML
+ aml_deinit();
+#endif
tty_unregister_ldisc(&hci_uart_ldisc);
}
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 00bf7ae82c5b..fbf3079b92a5 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -20,7 +20,7 @@
#define HCIUARTGETFLAGS _IOR('U', 204, int)
/* UART protocols */
-#define HCI_UART_MAX_PROTO 12
+#define HCI_UART_MAX_PROTO 13
#define HCI_UART_H4 0
#define HCI_UART_BCSP 1
@@ -34,6 +34,7 @@
#define HCI_UART_AG6XX 9
#define HCI_UART_NOKIA 10
#define HCI_UART_MRVL 11
+#define HCI_UART_AML 12
#define HCI_UART_RAW_DEVICE 0
#define HCI_UART_RESET_ON_INIT 1
@@ -209,3 +210,8 @@ int ag6xx_deinit(void);
int mrvl_init(void);
int mrvl_deinit(void);
#endif
+
+#ifdef CONFIG_BT_HCIUART_AML
+int aml_init(void);
+int aml_deinit(void);
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-27 08:27:39 +0000