Index: head/usr.sbin/bluetooth/iwmbtfw/iwmbt_hw.c =================================================================== --- head/usr.sbin/bluetooth/iwmbtfw/iwmbt_hw.c (revision 351198) +++ head/usr.sbin/bluetooth/iwmbtfw/iwmbt_hw.c (revision 351199) @@ -1,392 +1,392 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2019 Vladimir Kondratyev * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include "iwmbt_fw.h" #include "iwmbt_hw.h" #include "iwmbt_dbg.h" #define XMIN(x, y) ((x) < (y) ? (x) : (y)) static int iwmbt_send_fragment(struct libusb_device_handle *hdl, uint8_t fragment_type, const void *data, uint8_t len, int timeout) { int ret, transferred; uint8_t buf[IWMBT_HCI_MAX_CMD_SIZE]; struct iwmbt_hci_cmd *cmd = (struct iwmbt_hci_cmd *) buf; memset(buf, 0, sizeof(buf)); cmd->opcode = htole16(0xfc09), cmd->length = len + 1, cmd->data[0] = fragment_type; memcpy(cmd->data + 1, data, len); ret = libusb_bulk_transfer(hdl, IWMBT_BULK_OUT_ENDPOINT_ADDR, (uint8_t *)cmd, IWMBT_HCI_CMD_SIZE(cmd), &transferred, timeout); - if (ret < 0 || transferred != IWMBT_HCI_CMD_SIZE(cmd)) { + if (ret < 0 || transferred != (int)IWMBT_HCI_CMD_SIZE(cmd)) { iwmbt_err("libusb_bulk_transfer() failed: err=%s, size=%zu", libusb_strerror(ret), IWMBT_HCI_CMD_SIZE(cmd)); return (-1); } ret = libusb_bulk_transfer(hdl, IWMBT_BULK_IN_ENDPOINT_ADDR, buf, sizeof(buf), &transferred, timeout); if (ret < 0) { iwmbt_err("libusb_bulk_transfer() failed: err=%s", libusb_strerror(ret)); return (-1); } return (0); } static int iwmbt_hci_command(struct libusb_device_handle *hdl, struct iwmbt_hci_cmd *cmd, void *event, int size, int *transferred, int timeout) { int ret; ret = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_DEVICE, 0, 0, 0, (uint8_t *)cmd, IWMBT_HCI_CMD_SIZE(cmd), timeout); if (ret < 0) { iwmbt_err("libusb_control_transfer() failed: err=%s", libusb_strerror(ret)); return (ret); } ret = libusb_interrupt_transfer(hdl, IWMBT_INTERRUPT_ENDPOINT_ADDR, event, size, transferred, timeout); if (ret < 0) iwmbt_err("libusb_interrupt_transfer() failed: err=%s", libusb_strerror(ret)); return (ret); } int iwmbt_load_fwfile(struct libusb_device_handle *hdl, const struct iwmbt_firmware *fw, uint32_t *boot_param) { int ready = 0, sent = 0; int ret, transferred; struct iwmbt_hci_cmd *cmd; struct iwmbt_hci_event *event; uint8_t buf[IWMBT_HCI_MAX_EVENT_SIZE]; #define IWMBT_SEND_FRAGMENT(fragment_type, size, msg) do { \ iwmbt_debug("transferring %d bytes, offset %d", size, sent); \ \ ret = iwmbt_send_fragment(hdl, \ fragment_type, \ fw->buf + sent, \ XMIN(size, fw->len - sent), \ IWMBT_HCI_CMD_TIMEOUT); \ \ if (ret < 0) { \ iwmbt_debug("Failed to send "msg": code=%d", ret); \ return (-1); \ } \ sent += size; \ } while (0) if (fw->len < 644) { iwmbt_err("Invalid size of firmware file (%d)", fw->len); return (-1); } iwmbt_debug("file=%s, size=%d", fw->fwname, fw->len); IWMBT_SEND_FRAGMENT(0x00, 0x80, "CCS segment"); IWMBT_SEND_FRAGMENT(0x03, 0x80, "public key / part 1"); IWMBT_SEND_FRAGMENT(0x03, 0x80, "public key / part 2"); /* skip 4 bytes */ sent += 4; IWMBT_SEND_FRAGMENT(0x02, 0x80, "signature / part 1"); IWMBT_SEND_FRAGMENT(0x02, 0x80, "signature / part 2"); /* * Send firmware chunks. Chunk len must be 4 byte aligned. * multiple commands can be combined */ while (fw->len - sent - ready >= (int) sizeof(struct iwmbt_hci_cmd)) { cmd = (struct iwmbt_hci_cmd *)(fw->buf + sent + ready); /* Parse firmware for Intel Reset HCI command parameter */ if (cmd->opcode == htole16(0xfc0e)) { *boot_param = le32dec(cmd->data); iwmbt_debug("boot_param=0x%08x", *boot_param); } ready += IWMBT_HCI_CMD_SIZE(cmd); while (ready >= 0xFC) { IWMBT_SEND_FRAGMENT(0x01, 0xFC, "firmware chunk"); ready -= 0xFC; } if (ready > 0 && ready % 4 == 0) { IWMBT_SEND_FRAGMENT(0x01, ready, "firmware chunk"); ready = 0; } } /* Wait for firmware download completion event */ ret = libusb_interrupt_transfer(hdl, IWMBT_INTERRUPT_ENDPOINT_ADDR, buf, sizeof(buf), &transferred, IWMBT_LOADCMPL_TIMEOUT); if (ret < 0 || transferred < (int)sizeof(struct iwmbt_hci_event) + 1) { iwmbt_err("libusb_interrupt_transfer() failed: " "err=%s, size=%d", libusb_strerror(ret), transferred); return (-1); } /* Expect Vendor Specific Event 0x06 */ event = (struct iwmbt_hci_event *)buf; if (event->header.event != 0xFF || event->data[0] != 0x06) { iwmbt_err("firmware download completion event missed"); return (-1); } return (0); } int iwmbt_get_version(struct libusb_device_handle *hdl, struct iwmbt_version *version) { int ret, transferred; struct iwmbt_hci_event_cmd_compl*event; struct iwmbt_hci_cmd cmd = { .opcode = htole16(0xfc05), .length = 0, }; uint8_t buf[IWMBT_HCI_EVT_COMPL_SIZE(struct iwmbt_version)]; memset(buf, 0, sizeof(buf)); ret = iwmbt_hci_command(hdl, &cmd, buf, sizeof(buf), &transferred, IWMBT_HCI_CMD_TIMEOUT); if (ret < 0 || transferred != sizeof(buf)) { iwmbt_debug("Can't get version: : code=%d, size=%d", ret, transferred); return (-1); } event = (struct iwmbt_hci_event_cmd_compl *)buf; memcpy(version, event->data, sizeof(struct iwmbt_version)); return (0); } int iwmbt_get_boot_params(struct libusb_device_handle *hdl, struct iwmbt_boot_params *params) { int ret, transferred = 0; struct iwmbt_hci_event_cmd_compl *event; struct iwmbt_hci_cmd cmd = { .opcode = htole16(0xfc0d), .length = 0, }; uint8_t buf[IWMBT_HCI_EVT_COMPL_SIZE(struct iwmbt_boot_params)]; memset(buf, 0, sizeof(buf)); ret = iwmbt_hci_command(hdl, &cmd, buf, sizeof(buf), &transferred, IWMBT_HCI_CMD_TIMEOUT); if (ret < 0 || transferred != sizeof(buf)) { iwmbt_debug("Can't get boot params: code=%d, size=%d", ret, transferred); return (-1); } event = (struct iwmbt_hci_event_cmd_compl *)buf; memcpy(params, event->data, sizeof(struct iwmbt_boot_params)); return (0); } int iwmbt_intel_reset(struct libusb_device_handle *hdl, uint32_t boot_param) { int ret, transferred = 0; struct iwmbt_hci_event *event; static struct iwmbt_hci_cmd cmd = { .opcode = htole16(0xfc01), .length = 8, .data = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 }, }; uint8_t buf[IWMBT_HCI_MAX_EVENT_SIZE]; le32enc(cmd.data + 4, boot_param); memset(buf, 0, sizeof(buf)); ret = iwmbt_hci_command(hdl, &cmd, buf, sizeof(buf), &transferred, IWMBT_HCI_CMD_TIMEOUT); if (ret < 0 || transferred < (int)sizeof(struct iwmbt_hci_event) + 1) { iwmbt_debug("Intel Reset command failed: code=%d, size=%d", ret, transferred); return (ret); } /* expect Vendor Specific Event 0x02 */ event = (struct iwmbt_hci_event *)buf; if (event->header.event != 0xFF || event->data[0] != 0x02) { iwmbt_err("Intel Reset completion event missed"); return (-1); } return (0); } int iwmbt_load_ddc(struct libusb_device_handle *hdl, const struct iwmbt_firmware *ddc) { int size, sent = 0; int ret, transferred; uint8_t buf[IWMBT_HCI_MAX_CMD_SIZE]; struct iwmbt_hci_cmd *cmd = (struct iwmbt_hci_cmd *)buf; size = ddc->len; iwmbt_debug("file=%s, size=%d", ddc->fwname, size); while (size > 0) { memset(buf, 0, sizeof(buf)); cmd->opcode = htole16(0xfc8b); cmd->length = ddc->buf[sent] + 1; memcpy(cmd->data, ddc->buf + sent, XMIN(ddc->buf[sent], size)); iwmbt_debug("transferring %d bytes, offset %d", cmd->length, sent); size -= cmd->length; sent += cmd->length; ret = iwmbt_hci_command(hdl, cmd, buf, sizeof(buf), &transferred, IWMBT_HCI_CMD_TIMEOUT); if (ret < 0) { iwmbt_debug("Intel Write DDC failed: code=%d", ret); return (-1); } } return (0); } int iwmbt_set_event_mask(struct libusb_device_handle *hdl) { int ret, transferred = 0; static struct iwmbt_hci_cmd cmd = { .opcode = htole16(0xfc52), .length = 8, .data = { 0x87, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, }; uint8_t buf[IWMBT_HCI_MAX_EVENT_SIZE]; ret = iwmbt_hci_command(hdl, &cmd, buf, sizeof(buf), &transferred, IWMBT_HCI_CMD_TIMEOUT); if (ret < 0) iwmbt_debug("Intel Set Event Mask failed: code=%d", ret); return (ret); }