Return-Path: From: Matthew Wilson To: linux-bluetooth@vger.kernel.org Cc: marcel@holtmann.org, johan.hedberg@gmail.com, rshaffer@codeaurora.org, Matthew Wilson Subject: [PATCH v4] Firmware download for Qualcomm Bluetooth devices Date: Mon, 23 Aug 2010 11:17:47 -0500 Message-Id: <1282580267-2146-1-git-send-email-mtwilson@codeaurora.org> In-Reply-To: <20100820223757.GA23924@jh-x301> References: <20100820223757.GA23924@jh-x301> List-ID: Configures device address from hciattach parameter. UART speed limited to 115200. Requires separate device specific firmware. --- Makefile.tools | 3 +- tools/hciattach.c | 10 ++ tools/hciattach.h | 1 + tools/hciattach_qualcomm.c | 279 ++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 292 insertions(+), 1 deletions(-) create mode 100644 tools/hciattach_qualcomm.c diff --git a/Makefile.tools b/Makefile.tools index 8ee1972..1c46542 100644 --- a/Makefile.tools +++ b/Makefile.tools @@ -24,7 +24,8 @@ tools_hciattach_SOURCES = tools/hciattach.c tools/hciattach.h \ tools/hciattach_st.c \ tools/hciattach_ti.c \ tools/hciattach_tialt.c \ - tools/hciattach_ath3k.c + tools/hciattach_ath3k.c \ + tools/hciattach_qualcomm.c tools_hciattach_LDADD = lib/libbluetooth.la tools_hciconfig_SOURCES = tools/hciconfig.c tools/csr.h tools/csr.c \ diff --git a/tools/hciattach.c b/tools/hciattach.c index 5662f57..fd53710 100644 --- a/tools/hciattach.c +++ b/tools/hciattach.c @@ -312,6 +312,11 @@ static int ath3k_pm(int fd, struct uart_t *u, struct termios *ti) return ath3k_post(fd, u->pm); } +static int qualcomm(int fd, struct uart_t *u, struct termios *ti) +{ + return qualcomm_init(fd, u->speed, ti, u->bdaddr); +} + static int read_check(int fd, void *buf, int count) { int res; @@ -1116,6 +1121,11 @@ struct uart_t uart[] = { { "ath3k", 0x0000, 0x0000, HCI_UART_ATH3K, 115200, 115200, FLOW_CTL, DISABLE_PM, NULL, ath3k_ps, ath3k_pm }, + + /* QUALCOMM BTS */ + { "qualcomm", 0x0000, 0x0000, HCI_UART_H4, 115200, 115200, + FLOW_CTL, DISABLE_PM, NULL, qualcomm, NULL }, + { NULL, 0 } }; diff --git a/tools/hciattach.h b/tools/hciattach.h index c133321..2d26b77 100644 --- a/tools/hciattach.h +++ b/tools/hciattach.h @@ -52,3 +52,4 @@ int stlc2500_init(int fd, bdaddr_t *bdaddr); int bgb2xx_init(int dd, bdaddr_t *bdaddr); int ath3k_init(int fd, char *bdaddr, int speed); int ath3k_post(int fd, int pm); +int qualcomm_init(int fd, int speed, struct termios *ti, const char *bdaddr); diff --git a/tools/hciattach_qualcomm.c b/tools/hciattach_qualcomm.c new file mode 100644 index 0000000..b0df4b2 --- /dev/null +++ b/tools/hciattach_qualcomm.c @@ -0,0 +1,279 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2005-2010 Marcel Holtmann + * Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "hciattach.h" + +#define FAILIF(x, args...) do { \ + if (x) { \ + fprintf(stderr, ##args); \ + return -1; \ + } \ +} while (0) + +typedef struct { + uint8_t uart_prefix; + hci_event_hdr hci_hdr; + evt_cmd_complete cmd_complete; + uint8_t status; + uint8_t data[16]; +} __attribute__((packed)) command_complete_t; + +static int read_command_complete(int fd, + unsigned short opcode, + unsigned char len) +{ + command_complete_t resp; + unsigned char vsevent[512]; + int n; + + /* Read reply. */ + n = read_hci_event(fd, vsevent, sizeof(vsevent)); + FAILIF(n < 0, "Failed to read response"); + + FAILIF(vsevent[1] != 0xFF, "Failed to read response"); + + n = read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)); + FAILIF(n < 0, "Failed to read response"); + + /* event must be event-complete */ + FAILIF(resp.hci_hdr.evt != EVT_CMD_COMPLETE, + "Error in response: not a cmd-complete event, " + "but 0x%02x!\n", resp.hci_hdr.evt); + + FAILIF(resp.hci_hdr.plen < 4, /* plen >= 4 for EVT_CMD_COMPLETE */ + "Error in response: plen is not >= 4, but 0x%02x!\n", + resp.hci_hdr.plen); + + /* cmd-complete event: opcode */ + FAILIF(resp.cmd_complete.opcode != 0, + "Error in response: opcode is 0x%04x, not 0!", + resp.cmd_complete.opcode); + + return resp.status == 0 ? 0 : -1; +} + +static int qualcomm_load_firmware(int fd, + const char *firmware, + const char *bdaddr_s) +{ + + int fw = open(firmware, O_RDONLY); + + fprintf(stdout, "Opening firmware file: %s\n", firmware); + + FAILIF(fw < 0, + "Could not open firmware file %s: %s (%d).\n", + firmware, strerror(errno), errno); + + fprintf(stdout, "Uploading firmware...\n"); + do { + /* Read each command and wait for a response. */ + unsigned char data[1024]; + unsigned char cmdp[1 + sizeof(hci_command_hdr)]; + hci_command_hdr *cmd = (hci_command_hdr *)(cmdp + 1); + int nr; + nr = read(fw, cmdp, sizeof(cmdp)); + if (!nr) + break; + FAILIF(nr != sizeof(cmdp), + "Could not read H4 + HCI header!\n"); + FAILIF(*cmdp != HCI_COMMAND_PKT, + "Command is not an H4 command packet!\n"); + + FAILIF(read(fw, data, cmd->plen) != cmd->plen, + "Could not read %d bytes of data \ + for command with opcode %04x!\n", + cmd->plen, + cmd->opcode); + + if ((data[0] == 1) && (data[1] == 2) && (data[2] == 6)) { + bdaddr_t bdaddr; + if (bdaddr_s != NULL) { + (void) str2ba(bdaddr_s, &bdaddr); + memcpy(&data[3], &bdaddr, sizeof(bdaddr_t)); + } + } + + { + int nw; + struct iovec iov_cmd[2]; + iov_cmd[0].iov_base = cmdp; + iov_cmd[0].iov_len = sizeof(cmdp); + iov_cmd[1].iov_base = data; + iov_cmd[1].iov_len = cmd->plen; + nw = writev(fd, iov_cmd, 2); + FAILIF(nw != (int) sizeof(cmdp) + cmd->plen, + "Could not send entire command \ + (sent only %d bytes)!\n", + nw); + } + + /* Wait for response */ + if (read_command_complete(fd, cmd->opcode, cmd->plen) < 0) + { + return -1; + } + + } while (1); + fprintf(stdout, "Firmware upload successful.\n"); + + close(fw); + return 0; +} + +int qualcomm_init(int fd, int speed, struct termios *ti, const char *bdaddr) +{ + struct timespec tm = {0, 50000}; + char cmd[5]; + unsigned char resp[100]; /* Response */ + char fw[100]; + int n; + + memset(resp, '\0', 100); + + /* Get Manufacturer and LMP version */ + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x01; + cmd[2] = 0x10; + cmd[3] = 0x00; + + do { + n = write(fd, cmd, 4); + if (n < 4) { + perror("Failed to write init command"); + return -1; + } + + /* Read reply. */ + if (read_hci_event(fd, resp, 100) < 0) { + perror("Failed to read init response"); + return -1; + } + + /* Wait for command complete event for our Opcode */ + } while (resp[4] != cmd[1] && resp[5] != cmd[2]); + + /* Verify manufacturer */ + if ((resp[11] & 0xFF) != 0x1d) + fprintf(stderr, + "WARNING : module's manufacturer is not Qualcomm\n"); + + /* Print LMP version */ + fprintf(stderr, + "Qualcomm module LMP version : 0x%02x\n", resp[10] & 0xFF); + + /* Print LMP subversion */ + { + unsigned short lmp_subv = resp[13] | (resp[14] << 8); + + fprintf(stderr, + "Qualcomm module LMP sub-version : 0x%04x\n", lmp_subv); + + } + + /* Get SoC type */ + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x00; + cmd[2] = 0xFC; + cmd[3] = 0x01; + cmd[4] = 0x06; + + do { + n = write(fd, cmd, 5); + if (n < 5) { + perror("Failed to write vendor init command"); + return -1; + } + + /* Read reply. */ + if ((n = read_hci_event(fd, resp, 100)) < 0) { + perror("Failed to read vendor init response"); + return -1; + } + + } while (resp[3] != 0 && resp[4] != 2); + + snprintf(fw, sizeof(fw), + "/etc/firmware/%c%c%c%c%c%c_%c%c%c%c.bin", + resp[18], resp[19], resp[20], resp[21], + resp[22], resp[23], + resp[32], resp[33], resp[34], resp[35]); + + /* Wait for command complete event for our Opcode */ + if (read_hci_event(fd, resp, 100) < 0) { + perror("Failed to read init response"); + return -1; + } + + qualcomm_load_firmware(fd, fw, bdaddr); + + /* Reset */ + cmd[0] = HCI_COMMAND_PKT; + cmd[1] = 0x03; + cmd[2] = 0x0C; + cmd[3] = 0x00; + + do { + n = write(fd, cmd, 4); + if (n < 4) { + perror("Failed to write reset command"); + return -1; + } + + /* Read reply. */ + if ((n = read_hci_event(fd, resp, 100)) < 0) { + perror("Failed to read reset response"); + return -1; + } + + } while (resp[4] != cmd[1] && resp[5] != cmd[2]); + + nanosleep(&tm, NULL); + return 0; +} -- 1.7.1.1 -- Matthew Wilson Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum