diff options
| -rw-r--r-- | tools/hciattach.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/tools/hciattach.c b/tools/hciattach.c index 6a806039..e583e8db 100644 --- a/tools/hciattach.c +++ b/tools/hciattach.c @@ -802,6 +802,117 @@ static int st(int fd, struct uart_t *u, struct termios *ti) return 0; } + +/* + * Broadcom specific initialization + * Extracted from Jungo openrg + */ +static int bcm2035(int fd, struct uart_t *u, struct termios *ti) +{ + int n; + unsigned char cmd[30], resp[30]; + + /* Reset the BT Chip */ + memset(cmd, 0, sizeof(cmd)); + memset(resp, 0, sizeof(resp)); + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x03; + cmd[2] = 0x0c; + cmd[3] = 0x00; + /* Send command */ + if (write(fd, cmd, 4) != 4) { + fprintf(stderr, "Failed to write reset command\n"); + return -1; + } + /* Read reply */ + if ((n = read_hci_event(fd, resp, 4)) < 0) { + fprintf(stderr, "Failed to reset chip\n"); + return -1; + } + + /* Read the local version info */ + memset(cmd, 0, sizeof(cmd)); + memset(resp, 0, sizeof(resp)); + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x01; + cmd[2] = 0x10; + cmd[3] = 0x00; + /* Send command */ + if (write(fd, cmd, 4) != 4) { + fprintf(stderr, "Failed to write \"read local version\" " + "command\n"); + return -1; + } + /* Read reply */ + if ((n = read_hci_event(fd, resp, 4)) < 0) { + fprintf(stderr, "Failed to read local version\n"); + return -1; + } + + /* Read the local supported commands info */ + memset(cmd, 0, sizeof(cmd)); + memset(resp, 0, sizeof(resp)); + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x02; + cmd[2] = 0x10; + cmd[3] = 0x00; + /* Send command */ + if (write(fd, cmd, 4) != 4) { + fprintf(stderr, "Failed to write \"read local supported " + "commands\" command\n"); + return -1; + } + /* Read reply */ + if ((n = read_hci_event(fd, resp, 4)) < 0) { + fprintf(stderr, "Failed to read local supported commands\n"); + return -1; + } + + /* Set the baud rate */ + memset(cmd, 0, sizeof(cmd)); + memset(resp, 0, sizeof(resp)); + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x18; + cmd[2] = 0xfc; + cmd[3] = 0x02; + switch (u->speed) { + case 57600: + cmd[4] = 0x00; + cmd[5] = 0xe6; + break; + case 230400: + cmd[4] = 0x22; + cmd[5] = 0xfa; + break; + case 460800: + cmd[4] = 0x11; + cmd[5] = 0xfd; + break; + case 921600: + cmd[4] = 0x65; + cmd[5] = 0xff; + break; + default: + /* Default is 115200 */ + cmd[4] = 0x00; + cmd[5] = 0xf3; + break; + } + fprintf(stderr, "Baud rate parameters: DHBR=0x%2x,DLBR=0x%2x\n", + cmd[4], cmd[5]); + + /* Send command */ + if (write(fd, cmd, 6) != 6) { + fprintf(stderr, "Failed to write \"set baud rate\" command\n"); + return -1; + } + if ((n = read_hci_event(fd, resp, 6)) < 0) { + fprintf(stderr, "Failed to set baud rate\n"); + return -1; + } + return 0; +} + struct uart_t uart[] = { { "any", 0x0000, 0x0000, HCI_UART_H4, 115200, 115200, FLOW_CTL, NULL }, { "ericsson", 0x0000, 0x0000, HCI_UART_H4, 57600, 115200, FLOW_CTL, ericsson }, @@ -855,6 +966,9 @@ struct uart_t uart[] = { /* Billionton PCBTC1 PCMCIA Card */ { "billionton", 0x0279, 0x950b, HCI_UART_BCSP, 115200, 115200, 0, bcsp }, + /* Broadcom BCM2035 */ + { "bcm2035", 0x0A5C, 0x2035, HCI_UART_H4, 115200, 115200, 0, bcm2035 }, + { NULL, 0 } }; |