From: Ganapathi Bhat <gbhat@xxxxxxxxxxx> This patch implement firmware download feature for Marvell Bluetooth devices. If firmware is already downloaded, it will skip downloading. Signed-off-by: Ganapathi Bhat <gbhat@xxxxxxxxxxx> Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx> --- v2: Fixed compilation warning reported by kbuild test robot --- drivers/bluetooth/Kconfig | 10 + drivers/bluetooth/Makefile | 1 + drivers/bluetooth/btmrvl.h | 38 +++ drivers/bluetooth/hci_ldisc.c | 15 +- drivers/bluetooth/hci_mrvl.c | 642 ++++++++++++++++++++++++++++++++++++++++++ drivers/bluetooth/hci_uart.h | 13 +- 6 files changed, 717 insertions(+), 2 deletions(-) create mode 100644 drivers/bluetooth/btmrvl.h create mode 100644 drivers/bluetooth/hci_mrvl.c diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index ec6af15..836f1c9 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -169,6 +169,16 @@ config BT_HCIUART_QCA Say Y here to compile support for QCA protocol. +config BT_HCIUART_MRVL + bool "Marvell protocol support" + depends on BT_HCIUART + help + Marvell is serial protocol for communication between Bluetooth + device and host. This protocol is required for most Marvell Bluetooth + devices with UART interface. + + Say Y here to compile support for HCI MRVL protocol. + config BT_HCIBCM203X tristate "HCI BCM203x USB driver" depends on USB diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index 07c9cf3..f7cb408 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -36,6 +36,7 @@ hci_uart-$(CONFIG_BT_HCIUART_3WIRE) += hci_h5.o hci_uart-$(CONFIG_BT_HCIUART_INTEL) += hci_intel.o hci_uart-$(CONFIG_BT_HCIUART_BCM) += hci_bcm.o hci_uart-$(CONFIG_BT_HCIUART_QCA) += hci_qca.o +hci_uart-$(CONFIG_BT_HCIUART_MRVL) += hci_mrvl.o hci_uart-objs := $(hci_uart-y) ccflags-y += -D__CHECK_ENDIAN__ diff --git a/drivers/bluetooth/btmrvl.h b/drivers/bluetooth/btmrvl.h new file mode 100644 index 0000000..6517cdd --- /dev/null +++ b/drivers/bluetooth/btmrvl.h @@ -0,0 +1,38 @@ +/* Bluetooth support for Marvell devices + * + * Copyright (C) 2016, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available on the worldwide web at + * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +struct fw_data { + wait_queue_head_t init_wait_q __aligned(4); + u8 wait_fw; + int next_len; + u8 five_bytes[5]; + u8 next_index; + u8 last_ack; + u8 expected_ack; + u8 fw_loaded; + struct ktermios old_termios; +}; + +#define MRVL_WAIT_TIMEOUT 12000 +#define MRVL_MAX_FW_BLOCK_SIZE 1024 +#define MRVL_MAX_RETRY_SEND 12 +#define MRVL_DNLD_DELAY 100 +#define MRVL_ACK 0x5A +#define MRVL_NAK 0xBF +#define MRVL_HDR_REQ_FW 0xA5 +#define MRVL_HDR_CHIP_VER 0xAA +#define MRVL_HCI_OP_SET_BAUD 0xFC09 diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 73202624..737a09f 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -163,7 +163,14 @@ restart: } hci_uart_tx_complete(hu, hci_skb_pkt_type(skb)); - kfree_skb(skb); +#ifdef CONFIG_BT_HCIUART_MRVL + if (hu->proto->id == HCI_UART_MRVL && + !test_bit(HCI_UART_DNLD_FW, &hu->flags)) { +#endif + kfree_skb(skb); +#ifdef CONFIG_BT_HCIUART_MRVL + } +#endif } if (test_bit(HCI_UART_TX_WAKEUP, &hu->tx_state)) @@ -805,6 +812,9 @@ static int __init hci_uart_init(void) qca_init(); #endif +#ifdef CONFIG_BT_HCIUART_MRVL + mrvl_init(); +#endif return 0; } @@ -836,6 +846,9 @@ static void __exit hci_uart_exit(void) #ifdef CONFIG_BT_HCIUART_QCA qca_deinit(); #endif +#ifdef CONFIG_BT_HCIUART_MRVL + mrvl_deinit(); +#endif /* Release tty registration of line discipline */ err = tty_unregister_ldisc(N_HCI); diff --git a/drivers/bluetooth/hci_mrvl.c b/drivers/bluetooth/hci_mrvl.c new file mode 100644 index 0000000..4704389 --- /dev/null +++ b/drivers/bluetooth/hci_mrvl.c @@ -0,0 +1,642 @@ +/* Bluetooth HCI UART driver for Marvell devices + * + * Copyright (C) 2016, Marvell International Ltd. + * + * Acknowledgements: + * This file is based on hci_h4.c, which was written + * by Maxim Krasnyansky and Marcel Holtmann. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available on the worldwide web at + * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +#include <linux/module.h> + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/fcntl.h> +#include <linux/interrupt.h> +#include <linux/ptrace.h> +#include <linux/poll.h> + +#include <linux/slab.h> +#include <linux/tty.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/signal.h> +#include <linux/ioctl.h> +#include <linux/skbuff.h> +#include <asm/unaligned.h> + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> + +#include "hci_uart.h" +#include <linux/proc_fs.h> +#include "btmrvl.h" +#include <linux/firmware.h> +#include <linux/version.h> + +struct mrvl_data { + struct sk_buff *rx_skb; + struct sk_buff_head txq; + struct fw_data *fwdata; +}; + +static char helper_name[128]; +static char fw_name[128]; + +static int mrvl_init_fw_data(struct hci_uart *hu); +static int mrvl_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); + +/* Initialize protocol */ +static int mrvl_open(struct hci_uart *hu) +{ + struct mrvl_data *mrvl; + + BT_DBG("hu %p", hu); + + mrvl = kzalloc(sizeof(*mrvl), GFP_KERNEL); + if (!mrvl) + return -ENOMEM; + + skb_queue_head_init(&mrvl->txq); + hu->priv = mrvl; + + return 0; +} + +/* Flush protocol data */ +static int mrvl_flush(struct hci_uart *hu) +{ + struct mrvl_data *mrvl = hu->priv; + + BT_DBG("hu %p", hu); + + skb_queue_purge(&mrvl->txq); + + return 0; +} + +/* Close protocol */ +static int mrvl_close(struct hci_uart *hu) +{ + struct mrvl_data *mrvl = hu->priv; + + BT_DBG("hu %p", hu); + + skb_queue_purge(&mrvl->txq); + kfree_skb(mrvl->rx_skb); + kfree(mrvl->fwdata); + hu->priv = NULL; + kfree(mrvl); + + return 0; +} + +/* Enqueue frame for transmittion (padding, crc, etc) */ +static int mrvl_enqueue(struct hci_uart *hu, struct sk_buff *skb) +{ + struct mrvl_data *mrvl = hu->priv; + + if (test_bit(HCI_UART_DNLD_FW, &hu->flags)) + return -EBUSY; + + BT_DBG("hu %p skb %p", hu, skb); + + /* Prepend skb with frame type */ + memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1); + skb_queue_tail(&mrvl->txq, skb); + + return 0; +} + +static const struct h4_recv_pkt mrvl_recv_pkts[] = { + { H4_RECV_ACL, .recv = hci_recv_frame }, + { H4_RECV_SCO, .recv = hci_recv_frame }, + { H4_RECV_EVENT, .recv = mrvl_recv_frame }, +}; + +static int mrvl_recv_frame(struct hci_dev *hdev, struct sk_buff *skb) +{ + int ret; + + ret = hci_recv_frame(hdev, skb); + + return ret; +} + +/* Receive data */ +static int mrvl_recv(struct hci_uart *hu, const void *data, int count) +{ + struct mrvl_data *mrvl = hu->priv; + + if (test_bit(HCI_UART_DNLD_FW, &hu->flags)) { + hci_uart_recv_data(hu, (u8 *)data, count); + return 0; + } + + if (!test_bit(HCI_UART_REGISTERED, &hu->flags)) + return -EUNATCH; + + mrvl->rx_skb = h4_recv_buf(hu->hdev, mrvl->rx_skb, data, count, + mrvl_recv_pkts, ARRAY_SIZE(mrvl_recv_pkts)); + if (IS_ERR(mrvl->rx_skb)) { + int err = PTR_ERR(mrvl->rx_skb); + + BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err); + mrvl->rx_skb = NULL; + return err; + } + + return count; +} + +static struct sk_buff *mrvl_dequeue(struct hci_uart *hu) +{ + struct mrvl_data *mrvl = hu->priv; + + return skb_dequeue(&mrvl->txq); +} + +static int mrvl_setup(struct hci_uart *hu) +{ + mrvl_init_fw_data(hu); + set_bit(HCI_UART_DNLD_FW, &hu->flags); + + return hci_uart_dnld_fw(hu); +} + +static const struct hci_uart_proto mrvlp = { + .id = HCI_UART_MRVL, + .name = "MRVL", + .open = mrvl_open, + .close = mrvl_close, + .recv = mrvl_recv, + .enqueue = mrvl_enqueue, + .dequeue = mrvl_dequeue, + .flush = mrvl_flush, + .setup = mrvl_setup, +}; + +int __init mrvl_init(void) +{ + return hci_uart_register_proto(&mrvlp); +} + +int __exit mrvl_deinit(void) +{ + return hci_uart_unregister_proto(&mrvlp); +} + +static int get_cts(struct tty_struct *tty) +{ + u32 state; + + if (tty->ops->tiocmget) { + state = tty->ops->tiocmget(tty); + if (state & TIOCM_CTS) { + BT_DBG("CTS is low\n"); + return 1; + } + BT_DBG("CTS is high\n"); + return 0; + } + return -1; +} + +static int mrvl_init_fw_data(struct hci_uart *hu) +{ + struct fw_data *fwdata; + struct mrvl_data *mrvl = hu->priv; + + fwdata = kzalloc(sizeof(*fwdata), GFP_KERNEL); + + if (!fwdata) { + BT_ERR("Can't allocate firmware data\n"); + return -ENOMEM; + } + + mrvl->fwdata = fwdata; + fwdata->fw_loaded = 0; + + init_waitqueue_head(&fwdata->init_wait_q); + + return 0; +} + +/* Wait for the header from device */ +static int mrvl_wait_for_hdr(struct hci_uart *hu, u8 header) +{ + struct mrvl_data *mrvl = hu->priv; + struct fw_data *fw_data = mrvl->fwdata; + + fw_data->expected_ack = header; + fw_data->wait_fw = 0; + + if (!wait_event_interruptible_timeout(fw_data->init_wait_q, + fw_data->wait_fw, + ((MRVL_WAIT_TIMEOUT) * HZ / 1000))) { + BT_ERR("TIMEOUT, waiting for:0x%x\n", fw_data->expected_ack); + return -1; + } + + return 0; +} + +/* Send bytes to device */ +static int mrvl_send_data(struct hci_uart *hu, struct sk_buff *skb) +{ + int retry = 0; + int skb_len; + + skb_len = skb->len; + while (retry < MRVL_MAX_RETRY_SEND) { + hu->tx_skb = skb; + hci_uart_tx_wakeup(hu); + if (mrvl_wait_for_hdr(hu, MRVL_HDR_REQ_FW) == -1) { + skb_push(skb, skb_len); + retry++; + continue; + } else { + break; + } + } + if (retry == MRVL_MAX_RETRY_SEND) + return -1; + + return 0; +} + +/* Download firmware to the device */ +static int mrvl_dnld_fw(struct hci_uart *hu, const char *file_name) +{ + struct hci_dev *hdev = hu->hdev; + const struct firmware *fw; + struct sk_buff *skb = NULL; + int offset = 0; + int ret, tx_len; + struct mrvl_data *mrvl = hu->priv; + struct fw_data *fw_data = mrvl->fwdata; + + BT_INFO("enter dnld_fw\n"); + + ret = request_firmware(&fw, file_name, &hdev->dev); + if (ret < 0) { + BT_ERR("request_firmware() failed\n"); + ret = -1; + goto done; + } + if (fw) { + BT_INFO("Downloading FW (%d bytes)\n", (u16)fw->size); + } else { + BT_ERR("No FW image found\n"); + ret = -1; + goto done; + } + + skb = bt_skb_alloc(MRVL_MAX_FW_BLOCK_SIZE, GFP_ATOMIC); + if (!skb) { + BT_ERR("cannot allocate memory for skb\n"); + ret = -1; + goto done; + } + + skb->dev = (void *)hdev; + fw_data->last_ack = 0; + + do { + if ((offset >= fw->size) || (fw_data->last_ack)) + break; + tx_len = fw_data->next_len; + if ((fw->size - offset) < tx_len) + tx_len = fw->size - offset; + + memcpy(skb->data, &fw->data[offset], tx_len); + skb_put(skb, tx_len); + if (mrvl_send_data(hu, skb) != 0) { + BT_ERR("fail to download firmware\n"); + ret = -1; + goto done; + } + skb_push(skb, tx_len); + skb_trim(skb, 0); + offset += tx_len; + } while (1); + + BT_INFO("downloaded %d byte firmware\n", offset); +done: + if (fw) + release_firmware(fw); + + kfree(skb); + BT_INFO("leave dnld_fw\n"); + + return ret; +} + +/* Get standard baud rate, given the speed */ +static unsigned int get_baud_rate(unsigned int speed) +{ + switch (speed) { + case 9600: + return B9600; + case 19200: + return B19200; + case 38400: + return B38400; + case 57600: + return B57600; + case 115200: + return B115200; + case 230400: + return B230400; + case 460800: + return B460800; + case 921600: + return B921600; + case 2000000: + return B2000000; + case 3000000: + return B3000000; + default: + return -1; + } +} + +/* Set terminal properties */ +static int mrvl_set_termios(struct tty_struct *tty, unsigned int speed, + unsigned char flow_ctl) +{ + struct ktermios old_termios = tty->termios; + int baud; + + tty->termios.c_cflag &= ~CBAUD; + baud = get_baud_rate(speed); + + if (baud == -1) { + BT_ERR("Baud rate not supported\n"); + return -1; + } + + tty->termios.c_cflag |= baud; + + if (flow_ctl) + tty->termios.c_cflag |= CRTSCTS; + else + tty->termios.c_cflag &= ~CRTSCTS; + + tty->ops->set_termios(tty, &old_termios); + + return 0; +} + +/* Check if firmware is already loaded */ +static bool mrvl_fw_loaded(struct hci_uart *hu) +{ + struct mrvl_data *mrvl = hu->priv; + struct fw_data *fw_data = mrvl->fwdata; + + return get_cts(hu->tty) || fw_data->fw_loaded; +} + +/* Set the baud rate */ +static int mrvl_set_baudrate(struct hci_uart *hu) +{ + struct hci_dev *hdev = hu->hdev; + struct sk_buff *skb; + static const u8 baud_param[] = { 0xc0, 0xc6, 0x2d, 0x00}; + int err; + + skb = __hci_cmd_sync(hdev, MRVL_HCI_OP_SET_BAUD, sizeof(baud_param), + baud_param, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + BT_ERR("%s: Set device baudrate failed (%d)", hdev->name, err); + return err; + } + kfree_skb(skb); + + return 0; +} + +/* Reset device */ +static int mrvl_reset(struct hci_uart *hu) +{ + struct hci_dev *hdev = hu->hdev; + struct sk_buff *skb; + int err; + + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + BT_ERR("%s: Reset device failed (%d)", hdev->name, err); + return err; + } + kfree_skb(skb); + + return 0; +} + +/* Download helper and firmare to device */ +int hci_uart_dnld_fw(struct hci_uart *hu) +{ + struct mrvl_data *mrvl = hu->priv; + struct fw_data *fw_data = mrvl->fwdata; + struct tty_struct *tty = hu->tty; + struct ktermios new_termios; + struct ktermios old_termios; + int ret; + + old_termios = tty->termios; + + if (!tty) { + BT_ERR("tty is null\n"); + clear_bit(HCI_UART_DNLD_FW, &hu->flags); + ret = -1; + goto fail; + } + + if (mrvl_fw_loaded(hu)) { + BT_INFO("fw is running\n"); + clear_bit(HCI_UART_DNLD_FW, &hu->flags); + goto set_term_baud; + } + + ret = mrvl_set_termios(tty, 115200, 0); + if (ret) + goto fail; + + ret = mrvl_wait_for_hdr(hu, MRVL_HDR_REQ_FW); + if (ret) + goto fail; + + ret = mrvl_dnld_fw(hu, helper_name); + if (ret) + goto fail; + + mdelay(MRVL_DNLD_DELAY); + + ret = mrvl_set_termios(tty, 3000000, 1); + if (ret) + goto fail; + + ret = mrvl_wait_for_hdr(hu, MRVL_HDR_CHIP_VER); + if (ret) + goto fail; + + ret = mrvl_wait_for_hdr(hu, MRVL_HDR_REQ_FW); + if (ret) + goto fail; + + ret = mrvl_dnld_fw(hu, fw_name); + if (ret) + goto fail; + else + fw_data->fw_loaded = 1; + + mdelay(MRVL_DNLD_DELAY); + /* restore uart settings */ + new_termios = tty->termios; + tty->termios.c_cflag = old_termios.c_cflag; + tty->ops->set_termios(tty, &new_termios); + clear_bit(HCI_UART_DNLD_FW, &hu->flags); + + ret = mrvl_reset(hu); + if (ret) + goto fail; + + ret = mrvl_set_baudrate(hu); + if (ret) + goto fail; + +set_term_baud: + ret = mrvl_set_termios(tty, 3000000, 1); + if (ret) + goto fail; + + mdelay(MRVL_DNLD_DELAY); + + return ret; +fail: + /* restore uart settings */ + new_termios = tty->termios; + tty->termios.c_cflag = old_termios.c_cflag; + tty->ops->set_termios(tty, &new_termios); + clear_bit(HCI_UART_DNLD_FW, &hu->flags); + + return ret; +} + +static void mrvl_print_fw_data(u8 *buf) +{ + int i; + + BT_DBG("\nfive_bytes:"); + + for (i = 0; i < 5; i++) + BT_DBG(" 0x%x", buf[i]); + + BT_DBG("\n"); +} + +/* Send ACK/NAK to the device */ +static void mrvl_send_ack(struct hci_uart *hu, unsigned char ack) +{ + struct tty_struct *tty = hu->tty; + + tty->ops->write(tty, &ack, sizeof(ack)); +} + +/* Validate the feedback data from device */ +static void mrvl_validate_hdr_and_len(struct hci_uart *hu, u8 *buf) +{ + struct mrvl_data *mrvl = hu->priv; + struct fw_data *fw_data = mrvl->fwdata; + u16 lhs, rhs; + + mrvl_print_fw_data(buf); + lhs = *((u16 *)(&buf[1])); + rhs = *((u16 *)(&buf[3])); + if ((lhs ^ rhs) == 0xffff) { + mrvl_send_ack(hu, MRVL_ACK); + fw_data->wait_fw = 1; + fw_data->next_len = lhs; + /*firmware download is done, send the last ack*/ + if (!lhs) + fw_data->last_ack = 1; + wake_up_interruptible(&fw_data->init_wait_q); + } else { + mrvl_send_ack(hu, MRVL_NAK); + } +} + +void hci_uart_recv_data(struct hci_uart *hu, u8 *buf, int len) +{ + struct mrvl_data *mrvl = hu->priv; + struct fw_data *fw_data = mrvl->fwdata; + int i = 0; + + if (len < 5) { + if ((!fw_data->next_index) && + (buf[0] != fw_data->expected_ack)) { + /*ex: XX XX XX*/ + return; + } + } else if (len == 5) { + if (buf[0] != fw_data->expected_ack) { + /*ex: XX XX XX XX XX*/ + return; + } + /*ex: 5A LL LL LL LL*/ + fw_data->next_index = 0; + mrvl_validate_hdr_and_len(hu, buf); + return; + } else if (len > 5) { + i = 0; + + while ((i < len) && (buf[i] != fw_data->expected_ack)) + i++; + + if (i == len) { + return; + } else if ((len - i) >= 5 && + (buf[i] == fw_data->expected_ack)) { + /*ex: 00 00 00 00 a5 LL LL LL LL*/ + /*ex: a5 LL LL LL LL 00 00 00 00*/ + /*ex: 00 00 a5 LL LL LL LL 00 00*/ + /*ex: a5 LL LL LL LL*/ + fw_data->next_index = 0; + mrvl_validate_hdr_and_len(hu, buf + i); + return; + } else if (buf[i] == fw_data->expected_ack) { + /*ex: 00 00 00 00 a5 LL LL*/ + hci_uart_recv_data(hu, buf + i, len - i); + } + } + + for (i = 0; i < len; i++) { + fw_data->five_bytes[fw_data->next_index] = buf[i]; + if (++fw_data->next_index == 5) { + mrvl_validate_hdr_and_len(hu, fw_data->five_bytes); + fw_data->next_index = 0; + return; + } + } +} + +module_param_string(helper_name, helper_name, sizeof(helper_name), 0); +MODULE_PARM_DESC(helper_name, "helper file name"); + +module_param_string(fw_name, fw_name, sizeof(fw_name), 0); +MODULE_PARM_DESC(fw_name, "firmware name"); diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index 82c92f1..206677c 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -35,7 +35,7 @@ #define HCIUARTGETFLAGS _IOR('U', 204, int) /* UART protocols */ -#define HCI_UART_MAX_PROTO 9 +#define HCI_UART_MAX_PROTO 10 #define HCI_UART_H4 0 #define HCI_UART_BCSP 1 @@ -46,6 +46,7 @@ #define HCI_UART_INTEL 6 #define HCI_UART_BCM 7 #define HCI_UART_QCA 8 +#define HCI_UART_MRVL 9 #define HCI_UART_RAW_DEVICE 0 #define HCI_UART_RESET_ON_INIT 1 @@ -94,11 +95,16 @@ struct hci_uart { /* HCI_UART proto flag bits */ #define HCI_UART_PROTO_SET 0 #define HCI_UART_REGISTERED 1 +#define HCI_UART_DNLD_FW 3 /* TX states */ #define HCI_UART_SENDING 1 #define HCI_UART_TX_WAKEUP 2 +#ifdef CONFIG_BT_HCIUART_MRVL +void hci_uart_recv_data(struct hci_uart *hu, u8 *buf, int len); +int hci_uart_dnld_fw(struct hci_uart *hu); +#endif int hci_uart_register_proto(const struct hci_uart_proto *p); int hci_uart_unregister_proto(const struct hci_uart_proto *p); int hci_uart_tx_wakeup(struct hci_uart *hu); @@ -182,3 +188,8 @@ int bcm_deinit(void); int qca_init(void); int qca_deinit(void); #endif + +#ifdef CONFIG_BT_HCIUART_MRVL +int mrvl_init(void); +int mrvl_deinit(void); +#endif -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
