| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Marcel Holtmann | 1600 | 69.47% | 12 | 36.36% |
| Frederic Danis | 357 | 15.50% | 4 | 12.12% |
| Hans de Goede | 252 | 10.94% | 6 | 18.18% |
| Maxime Ripard | 22 | 0.96% | 1 | 3.03% |
| Chen-Yu Tsai | 16 | 0.69% | 1 | 3.03% |
| Ilya Faenson | 7 | 0.30% | 1 | 3.03% |
| Christian Hewitt | 7 | 0.30% | 1 | 3.03% |
| Ian W Morrison | 7 | 0.30% | 1 | 3.03% |
| Ian Molton | 7 | 0.30% | 1 | 3.03% |
| Paweł Chmiel | 7 | 0.30% | 1 | 3.03% |
| Jörg Krause | 7 | 0.30% | 1 | 3.03% |
| Wen-chien Jesse Sung | 6 | 0.26% | 1 | 3.03% |
| Petri Gynther | 5 | 0.22% | 1 | 3.03% |
| Chris Mason | 3 | 0.13% | 1 | 3.03% |
| Total | 2303 | 33 |
/* * * Bluetooth support for Broadcom devices * * Copyright (C) 2015 Intel Corporation * * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <linux/module.h> #include <linux/firmware.h> #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> #include "btbcm.h" #define VERSION "0.1" #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) #define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}}) #define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}}) #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}}) #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}}) int btbcm_check_bdaddr(struct hci_dev *hdev) { struct hci_rp_read_bd_addr *bda; struct sk_buff *skb; skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { int err = PTR_ERR(skb); bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err); return err; } if (skb->len != sizeof(*bda)) { bt_dev_err(hdev, "BCM: Device address length mismatch"); kfree_skb(skb); return -EIO; } bda = (struct hci_rp_read_bd_addr *)skb->data; /* Check if the address indicates a controller with either an * invalid or default address. In both cases the device needs * to be marked as not having a valid address. * * The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller * with no configured address. * * The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller * with no configured address. * * The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller * with waiting for configuration state. * * The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller * with waiting for configuration state. * * The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller * with no configured address. */ if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) || !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) || !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) || !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) || !bacmp(&bda->bdaddr, BDADDR_BCM43430A0)) { bt_dev_info(hdev, "BCM: Using default device address (%pMR)", &bda->bdaddr); set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); } kfree_skb(skb); return 0; } EXPORT_SYMBOL_GPL(btbcm_check_bdaddr); int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) { struct sk_buff *skb; int err; skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { err = PTR_ERR(skb); bt_dev_err(hdev, "BCM: Change address command failed (%d)", err); return err; } kfree_skb(skb); return 0; } EXPORT_SYMBOL_GPL(btbcm_set_bdaddr); int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) { const struct hci_command_hdr *cmd; const u8 *fw_ptr; size_t fw_size; struct sk_buff *skb; u16 opcode; int err = 0; /* Start Download */ skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { err = PTR_ERR(skb); bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)", err); goto done; } kfree_skb(skb); /* 50 msec delay after Download Minidrv completes */ msleep(50); fw_ptr = fw->data; fw_size = fw->size; while (fw_size >= sizeof(*cmd)) { const u8 *cmd_param; cmd = (struct hci_command_hdr *)fw_ptr; fw_ptr += sizeof(*cmd); fw_size -= sizeof(*cmd); if (fw_size < cmd->plen) { bt_dev_err(hdev, "BCM: Patch is corrupted"); err = -EINVAL; goto done; } cmd_param = fw_ptr; fw_ptr += cmd->plen; fw_size -= cmd->plen; opcode = le16_to_cpu(cmd->opcode); skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { err = PTR_ERR(skb); bt_dev_err(hdev, "BCM: Patch command %04x failed (%d)", opcode, err); goto done; } kfree_skb(skb); } /* 250 msec delay after Launch Ram completes */ msleep(250); done: return err; } EXPORT_SYMBOL(btbcm_patchram); static int btbcm_reset(struct hci_dev *hdev) { struct sk_buff *skb; skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { int err = PTR_ERR(skb); bt_dev_err(hdev, "BCM: Reset failed (%d)", err); return err; } kfree_skb(skb); /* 100 msec delay for module to complete reset process */ msleep(100); return 0; } static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev) { struct sk_buff *skb; skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { bt_dev_err(hdev, "BCM: Reading local name failed (%ld)", PTR_ERR(skb)); return skb; } if (skb->len != sizeof(struct hci_rp_read_local_name)) { bt_dev_err(hdev, "BCM: Local name length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } return skb; } static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev) { struct sk_buff *skb; skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { bt_dev_err(hdev, "BCM: Reading local version info failed (%ld)", PTR_ERR(skb)); return skb; } if (skb->len != sizeof(struct hci_rp_read_local_version)) { bt_dev_err(hdev, "BCM: Local version length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } return skb; } static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev) { struct sk_buff *skb; skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { bt_dev_err(hdev, "BCM: Read verbose config info failed (%ld)", PTR_ERR(skb)); return skb; } if (skb->len != 7) { bt_dev_err(hdev, "BCM: Verbose config length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } return skb; } static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev) { struct sk_buff *skb; skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { bt_dev_err(hdev, "BCM: Read controller features failed (%ld)", PTR_ERR(skb)); return skb; } if (skb->len != 9) { bt_dev_err(hdev, "BCM: Controller features length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } return skb; } static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev) { struct sk_buff *skb; skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { bt_dev_err(hdev, "BCM: Read USB product info failed (%ld)", PTR_ERR(skb)); return skb; } if (skb->len != 5) { bt_dev_err(hdev, "BCM: USB product length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } return skb; } static int btbcm_read_info(struct hci_dev *hdev) { struct sk_buff *skb; /* Read Verbose Config Version Info */ skb = btbcm_read_verbose_config(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]); kfree_skb(skb); /* Read Controller Features */ skb = btbcm_read_controller_features(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); kfree_skb(skb); /* Read Local Name */ skb = btbcm_read_local_name(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); kfree_skb(skb); return 0; } struct bcm_subver_table { u16 subver; const char *name; }; static const struct bcm_subver_table bcm_uart_subver_table[] = { { 0x4103, "BCM4330B1" }, /* 002.001.003 */ { 0x410e, "BCM43341B0" }, /* 002.001.014 */ { 0x4406, "BCM4324B3" }, /* 002.004.006 */ { 0x6109, "BCM4335C0" }, /* 003.001.009 */ { 0x610c, "BCM4354" }, /* 003.001.012 */ { 0x2122, "BCM4343A0" }, /* 001.001.034 */ { 0x2209, "BCM43430A1" }, /* 001.002.009 */ { 0x6119, "BCM4345C0" }, /* 003.001.025 */ { 0x230f, "BCM4356A2" }, /* 001.003.015 */ { 0x220e, "BCM20702A1" }, /* 001.002.014 */ { 0x4217, "BCM4329B1" }, /* 002.002.023 */ { } }; static const struct bcm_subver_table bcm_usb_subver_table[] = { { 0x210b, "BCM43142A0" }, /* 001.001.011 */ { 0x2112, "BCM4314A0" }, /* 001.001.018 */ { 0x2118, "BCM20702A0" }, /* 001.001.024 */ { 0x2126, "BCM4335A0" }, /* 001.001.038 */ { 0x220e, "BCM20702A1" }, /* 001.002.014 */ { 0x230f, "BCM4354A2" }, /* 001.003.015 */ { 0x4106, "BCM4335B0" }, /* 002.001.006 */ { 0x410e, "BCM20702B0" }, /* 002.001.014 */ { 0x6109, "BCM4335C0" }, /* 003.001.009 */ { 0x610c, "BCM4354" }, /* 003.001.012 */ { } }; int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len, bool reinit) { u16 subver, rev, pid, vid; const char *hw_name = "BCM"; struct sk_buff *skb; struct hci_rp_read_local_version *ver; const struct bcm_subver_table *bcm_subver_table; int i, err; /* Reset */ err = btbcm_reset(hdev); if (err) return err; /* Read Local Version Info */ skb = btbcm_read_local_version(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); ver = (struct hci_rp_read_local_version *)skb->data; rev = le16_to_cpu(ver->hci_rev); subver = le16_to_cpu(ver->lmp_subver); kfree_skb(skb); /* Read controller information */ if (!reinit) { err = btbcm_read_info(hdev); if (err) return err; } /* Upper nibble of rev should be between 0 and 3? */ if (((rev & 0xf000) >> 12) > 3) return 0; bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table : bcm_uart_subver_table; for (i = 0; bcm_subver_table[i].name; i++) { if (subver == bcm_subver_table[i].subver) { hw_name = bcm_subver_table[i].name; break; } } if (hdev->bus == HCI_USB) { /* Read USB Product Info */ skb = btbcm_read_usb_product(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); vid = get_unaligned_le16(skb->data + 1); pid = get_unaligned_le16(skb->data + 3); kfree_skb(skb); snprintf(fw_name, len, "brcm/%s-%4.4x-%4.4x.hcd", hw_name, vid, pid); } else { snprintf(fw_name, len, "brcm/%s.hcd", hw_name); } bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u", hw_name, (subver & 0xe000) >> 13, (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); return 0; } EXPORT_SYMBOL_GPL(btbcm_initialize); int btbcm_finalize(struct hci_dev *hdev) { char fw_name[64]; int err; /* Re-initialize */ err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), true); if (err) return err; btbcm_check_bdaddr(hdev); set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); return 0; } EXPORT_SYMBOL_GPL(btbcm_finalize); int btbcm_setup_patchram(struct hci_dev *hdev) { char fw_name[64]; const struct firmware *fw; struct sk_buff *skb; int err; /* Initialize */ err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), false); if (err) return err; err = request_firmware(&fw, fw_name, &hdev->dev); if (err < 0) { bt_dev_info(hdev, "BCM: Patch %s not found", fw_name); goto done; } btbcm_patchram(hdev, fw); release_firmware(fw); /* Re-initialize */ err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), true); if (err) return err; /* Read Local Name */ skb = btbcm_read_local_name(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); kfree_skb(skb); done: btbcm_check_bdaddr(hdev); set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); return 0; } EXPORT_SYMBOL_GPL(btbcm_setup_patchram); int btbcm_setup_apple(struct hci_dev *hdev) { struct sk_buff *skb; int err; /* Reset */ err = btbcm_reset(hdev); if (err) return err; /* Read Verbose Config Version Info */ skb = btbcm_read_verbose_config(hdev); if (!IS_ERR(skb)) { bt_dev_info(hdev, "BCM: chip id %u build %4.4u", skb->data[1], get_unaligned_le16(skb->data + 5)); kfree_skb(skb); } /* Read USB Product Info */ skb = btbcm_read_usb_product(hdev); if (!IS_ERR(skb)) { bt_dev_info(hdev, "BCM: product %4.4x:%4.4x", get_unaligned_le16(skb->data + 1), get_unaligned_le16(skb->data + 3)); kfree_skb(skb); } /* Read Controller Features */ skb = btbcm_read_controller_features(hdev); if (!IS_ERR(skb)) { bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); kfree_skb(skb); } /* Read Local Name */ skb = btbcm_read_local_name(hdev); if (!IS_ERR(skb)) { bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); kfree_skb(skb); } set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); return 0; } EXPORT_SYMBOL_GPL(btbcm_setup_apple); MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION); MODULE_VERSION(VERSION); MODULE_LICENSE("GPL");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1