diff options
Diffstat (limited to 'drivers/bluetooth/btbcm.c')
| -rw-r--r-- | drivers/bluetooth/btbcm.c | 611 |
1 files changed, 399 insertions, 212 deletions
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 9ab6cfbb831d..d33cc70eec66 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -1,29 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * * 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/efi.h> #include <linux/module.h> #include <linux/firmware.h> -#include <asm/unaligned.h> +#include <linux/dmi.h> +#include <linux/of.h> +#include <linux/string.h> +#include <linux/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -33,8 +22,57 @@ #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_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}}) +#define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}}) +#define BDADDR_BCM43430A1 (&(bdaddr_t) {{0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}}) #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}}) #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}}) +#define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}}) +#define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}}) +#define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}}) + +#define BCM_FW_NAME_LEN 64 +#define BCM_FW_NAME_COUNT_MAX 4 +/* For kmalloc-ing the fw-name array instead of putting it on the stack */ +typedef char bcm_fw_name[BCM_FW_NAME_LEN]; + +#ifdef CONFIG_EFI +static int btbcm_set_bdaddr_from_efi(struct hci_dev *hdev) +{ + efi_guid_t guid = EFI_GUID(0x74b00bd9, 0x805a, 0x4d61, 0xb5, 0x1f, + 0x43, 0x26, 0x81, 0x23, 0xd1, 0x13); + bdaddr_t efi_bdaddr, bdaddr; + efi_status_t status; + unsigned long len; + int ret; + + if (!efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE)) + return -EOPNOTSUPP; + + len = sizeof(efi_bdaddr); + status = efi.get_variable(L"BDADDR", &guid, NULL, &len, &efi_bdaddr); + if (status != EFI_SUCCESS) + return -ENXIO; + + if (len != sizeof(efi_bdaddr)) + return -EIO; + + baswap(&bdaddr, &efi_bdaddr); + + ret = btbcm_set_bdaddr(hdev, &bdaddr); + if (ret) + return ret; + + bt_dev_info(hdev, "BCM: Using EFI device address (%pMR)", &bdaddr); + return 0; +} +#else +static int btbcm_set_bdaddr_from_efi(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} +#endif int btbcm_check_bdaddr(struct hci_dev *hdev) { @@ -45,13 +83,13 @@ int btbcm_check_bdaddr(struct hci_dev *hdev) HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { int err = PTR_ERR(skb); - BT_ERR("%s: BCM: Reading device address failed (%d)", - hdev->name, err); + + bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err); return err; } if (skb->len != sizeof(*bda)) { - BT_ERR("%s: BCM: Device address length mismatch", hdev->name); + bt_dev_err(hdev, "BCM: Device address length mismatch"); kfree_skb(skb); return -EIO; } @@ -65,18 +103,40 @@ int btbcm_check_bdaddr(struct hci_dev *hdev) * 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 20:76:A0:00:56:79 indicates a BCM2076B1 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. + * + * The address AA:AA:AA:AA:AA:AA indicates a BCM43430A1 controller + * with no configured address. */ if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) || + !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) || + !bacmp(&bda->bdaddr, BDADDR_BCM2076B1) || !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) || - !bacmp(&bda->bdaddr, BDADDR_BCM4330B1)) { - BT_INFO("%s: BCM: Using default device address (%pMR)", - hdev->name, &bda->bdaddr); - set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); + !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) || + !bacmp(&bda->bdaddr, BDADDR_BCM4334B0) || + !bacmp(&bda->bdaddr, BDADDR_BCM4345C5) || + !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) || + !bacmp(&bda->bdaddr, BDADDR_BCM43430A1) || + !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) { + /* Try falling back to BDADDR EFI variable */ + if (btbcm_set_bdaddr_from_efi(hdev) != 0) { + bt_dev_info(hdev, "BCM: Using default device address (%pMR)", + &bda->bdaddr); + hci_set_quirk(hdev, HCI_QUIRK_INVALID_BDADDR); + } } kfree_skb(skb); @@ -93,8 +153,7 @@ int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { err = PTR_ERR(skb); - BT_ERR("%s: BCM: Change address command failed (%d)", - hdev->name, err); + bt_dev_err(hdev, "BCM: Change address command failed (%d)", err); return err; } kfree_skb(skb); @@ -103,6 +162,52 @@ int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) } EXPORT_SYMBOL_GPL(btbcm_set_bdaddr); +int btbcm_read_pcm_int_params(struct hci_dev *hdev, + struct bcm_set_pcm_int_params *params) +{ + struct sk_buff *skb; + int err = 0; + + skb = __hci_cmd_sync(hdev, 0xfc1d, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + bt_dev_err(hdev, "BCM: Read PCM int params failed (%d)", err); + return err; + } + + if (skb->len != 6 || skb->data[0]) { + bt_dev_err(hdev, "BCM: Read PCM int params length mismatch"); + kfree_skb(skb); + return -EIO; + } + + if (params) + memcpy(params, skb->data + 1, 5); + + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params); + +int btbcm_write_pcm_int_params(struct hci_dev *hdev, + const struct bcm_set_pcm_int_params *params) +{ + struct sk_buff *skb; + int err; + + skb = __hci_cmd_sync(hdev, 0xfc1c, 5, params, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + bt_dev_err(hdev, "BCM: Write PCM int params failed (%d)", err); + return err; + } + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params); + int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) { const struct hci_command_hdr *cmd; @@ -116,8 +221,8 @@ int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { err = PTR_ERR(skb); - BT_ERR("%s: BCM: Download Minidrv command failed (%d)", - hdev->name, err); + bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)", + err); goto done; } kfree_skb(skb); @@ -136,7 +241,7 @@ int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) fw_size -= sizeof(*cmd); if (fw_size < cmd->plen) { - BT_ERR("%s: BCM: Patch is corrupted", hdev->name); + bt_dev_err(hdev, "BCM: Patch is corrupted"); err = -EINVAL; goto done; } @@ -151,8 +256,8 @@ int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { err = PTR_ERR(skb); - BT_ERR("%s: BCM: Patch command %04x failed (%d)", - hdev->name, opcode, err); + bt_dev_err(hdev, "BCM: Patch command %04x failed (%d)", + opcode, err); goto done; } kfree_skb(skb); @@ -173,7 +278,8 @@ static int btbcm_reset(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { int err = PTR_ERR(skb); - BT_ERR("%s: BCM: Reset failed (%d)", hdev->name, err); + + bt_dev_err(hdev, "BCM: Reset failed (%d)", err); return err; } kfree_skb(skb); @@ -191,13 +297,13 @@ static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { - BT_ERR("%s: BCM: Reading local name failed (%ld)", - hdev->name, PTR_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_ERR("%s: BCM: Local name length mismatch", hdev->name); + bt_dev_err(hdev, "BCM: Local name length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } @@ -212,13 +318,13 @@ static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { - BT_ERR("%s: BCM: Reading local version info failed (%ld)", - hdev->name, PTR_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_ERR("%s: BCM: Local version length mismatch", hdev->name); + bt_dev_err(hdev, "BCM: Local version length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } @@ -232,13 +338,13 @@ static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { - BT_ERR("%s: BCM: Read verbose config info failed (%ld)", - hdev->name, PTR_ERR(skb)); + bt_dev_err(hdev, "BCM: Read verbose config info failed (%ld)", + PTR_ERR(skb)); return skb; } if (skb->len != 7) { - BT_ERR("%s: BCM: Verbose config length mismatch", hdev->name); + bt_dev_err(hdev, "BCM: Verbose config length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } @@ -252,14 +358,13 @@ static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { - BT_ERR("%s: BCM: Read controller features failed (%ld)", - hdev->name, PTR_ERR(skb)); + bt_dev_err(hdev, "BCM: Read controller features failed (%ld)", + PTR_ERR(skb)); return skb; } if (skb->len != 9) { - BT_ERR("%s: BCM: Controller features length mismatch", - hdev->name); + bt_dev_err(hdev, "BCM: Controller features length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } @@ -273,13 +378,13 @@ static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { - BT_ERR("%s: BCM: Read USB product info failed (%ld)", - hdev->name, PTR_ERR(skb)); + bt_dev_err(hdev, "BCM: Read USB product info failed (%ld)", + PTR_ERR(skb)); return skb; } if (skb->len != 5) { - BT_ERR("%s: BCM: USB product length mismatch", hdev->name); + bt_dev_err(hdev, "BCM: USB product length mismatch"); kfree_skb(skb); return ERR_PTR(-EIO); } @@ -287,135 +392,194 @@ static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev) return skb; } -static const struct { - u16 subver; - const char *name; -} bcm_uart_subver_table[] = { - { 0x4103, "BCM4330B1" }, /* 002.001.003 */ - { 0x410e, "BCM43341B0" }, /* 002.001.014 */ - { 0x4406, "BCM4324B3" }, /* 002.004.006 */ - { 0x610c, "BCM4354" }, /* 003.001.012 */ - { 0x2209, "BCM43430A1" }, /* 001.002.009 */ +static const struct dmi_system_id disable_broken_read_transmit_power[] = { + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,1"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,2"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,4"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,1"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,2"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,1"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,2"), + }, + }, { } }; -int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len) +static int btbcm_read_info(struct hci_dev *hdev) { - u16 subver, rev; - const char *hw_name = NULL; struct sk_buff *skb; - struct hci_rp_read_local_version *ver; - int i, err; - /* Reset */ - err = btbcm_reset(hdev); - if (err) - return err; - - /* Read Local Version Info */ - skb = btbcm_read_local_version(hdev); + /* Read Verbose Config Version Info */ + skb = btbcm_read_verbose_config(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); + bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]); kfree_skb(skb); - /* Read Verbose Config Version Info */ - skb = btbcm_read_verbose_config(hdev); + return 0; +} + +static int btbcm_print_controller_features(struct hci_dev *hdev) +{ + struct sk_buff *skb; + + /* Read Controller Features */ + skb = btbcm_read_controller_features(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); - BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]); + bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); kfree_skb(skb); - switch ((rev & 0xf000) >> 12) { - case 0: - case 1: - case 3: - for (i = 0; bcm_uart_subver_table[i].name; i++) { - if (subver == bcm_uart_subver_table[i].subver) { - hw_name = bcm_uart_subver_table[i].name; - break; - } - } - - snprintf(fw_name, len, "brcm/%s.hcd", hw_name ? : "BCM"); - break; - default: - return 0; - } - - BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, - hw_name ? : "BCM", (subver & 0xe000) >> 13, - (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); + /* Read DMI and disable broken Read LE Min/Max Tx Power */ + if (dmi_first_match(disable_broken_read_transmit_power)) + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER); return 0; } -EXPORT_SYMBOL_GPL(btbcm_initialize); -int btbcm_finalize(struct hci_dev *hdev) +static int btbcm_print_local_name(struct hci_dev *hdev) { struct sk_buff *skb; - struct hci_rp_read_local_version *ver; - u16 subver, rev; - int err; - - /* Reset */ - err = btbcm_reset(hdev); - if (err) - return err; - /* Read Local Version Info */ - skb = btbcm_read_local_version(hdev); + /* Read Local Name */ + skb = btbcm_read_local_name(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); + bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); kfree_skb(skb); - BT_INFO("%s: BCM (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, - (subver & 0xe000) >> 13, (subver & 0x1f00) >> 8, - (subver & 0x00ff), rev & 0x0fff); - - btbcm_check_bdaddr(hdev); - - set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); - return 0; } -EXPORT_SYMBOL_GPL(btbcm_finalize); -static const struct { +struct bcm_subver_table { u16 subver; const char *name; -} bcm_usb_subver_table[] = { +}; + +static const struct bcm_subver_table bcm_uart_subver_table[] = { + { 0x1111, "BCM4362A2" }, /* 000.017.017 */ + { 0x4103, "BCM4330B1" }, /* 002.001.003 */ + { 0x410d, "BCM4334B0" }, /* 002.001.013 */ + { 0x410e, "BCM43341B0" }, /* 002.001.014 */ + { 0x4204, "BCM2076B1" }, /* 002.002.004 */ + { 0x4406, "BCM4324B3" }, /* 002.004.006 */ + { 0x4606, "BCM4324B5" }, /* 002.006.006 */ + { 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 */ + { 0x6606, "BCM4345C5" }, /* 003.006.006 */ + { 0x230f, "BCM4356A2" }, /* 001.003.015 */ + { 0x220e, "BCM20702A1" }, /* 001.002.014 */ + { 0x420d, "BCM4349B1" }, /* 002.002.013 */ + { 0x420e, "BCM4349B1" }, /* 002.002.014 */ + { 0x4217, "BCM4329B1" }, /* 002.002.023 */ + { 0x6106, "BCM4359C0" }, /* 003.001.006 */ + { 0x4106, "BCM4335A0" }, /* 002.001.006 */ + { 0x410c, "BCM43430B0" }, /* 002.001.012 */ + { 0x2119, "BCM4373A0" }, /* 001.001.025 */ + { } +}; + +static const struct bcm_subver_table bcm_usb_subver_table[] = { + { 0x2105, "BCM20703A1" }, /* 001.001.005 */ { 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 */ + { 0x230f, "BCM4356A2" }, /* 001.003.015 */ { 0x4106, "BCM4335B0" }, /* 002.001.006 */ { 0x410e, "BCM20702B0" }, /* 002.001.014 */ { 0x6109, "BCM4335C0" }, /* 003.001.009 */ { 0x610c, "BCM4354" }, /* 003.001.012 */ + { 0x6607, "BCM4350C5" }, /* 003.006.007 */ { } }; -int btbcm_setup_patchram(struct hci_dev *hdev) +/* + * This currently only looks up the device tree board appendix, + * but can be expanded to other mechanisms. + */ +static const char *btbcm_get_board_name(struct device *dev) +{ +#ifdef CONFIG_OF + struct device_node *root __free(device_node) = of_find_node_by_path("/"); + char *board_type; + const char *tmp; + + if (!root) + return NULL; + + if (of_property_read_string_index(root, "compatible", 0, &tmp)) + return NULL; + + /* get rid of any '/' in the compatible string */ + board_type = devm_kstrdup(dev, tmp, GFP_KERNEL); + if (!board_type) + return NULL; + + strreplace(board_type, '/', '-'); + + return board_type; +#else + return NULL; +#endif +} + +int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode) { - char fw_name[64]; - const struct firmware *fw; u16 subver, rev, pid, vid; - const char *hw_name = NULL; struct sk_buff *skb; struct hci_rp_read_local_version *ver; + const struct bcm_subver_table *bcm_subver_table; + const char *hw_name = NULL; + const char *board_name; + char postfix[16] = ""; + int fw_name_count = 0; + bcm_fw_name *fw_name; + const struct firmware *fw; int i, err; + board_name = btbcm_get_board_name(&hdev->dev); + /* Reset */ err = btbcm_reset(hdev); if (err) @@ -431,45 +595,41 @@ int btbcm_setup_patchram(struct hci_dev *hdev) subver = le16_to_cpu(ver->lmp_subver); kfree_skb(skb); - /* Read Verbose Config Version Info */ - skb = btbcm_read_verbose_config(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); + /* Read controller information */ + if (!(*fw_load_done)) { + err = btbcm_read_info(hdev); + if (err) + return err; + } - BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]); - kfree_skb(skb); + if (!use_autobaud_mode) { + err = btbcm_print_controller_features(hdev); + if (err) + return err; - /* Read Controller Features */ - skb = btbcm_read_controller_features(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); + err = btbcm_print_local_name(hdev); + if (err) + return err; + } - BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]); - kfree_skb(skb); + bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table : + bcm_uart_subver_table; - /* Read Local Name */ - skb = btbcm_read_local_name(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); + for (i = 0; bcm_subver_table[i].name; i++) { + if (subver == bcm_subver_table[i].subver) { + hw_name = bcm_subver_table[i].name; + break; + } + } - BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1)); - kfree_skb(skb); + bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u", + hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13, + (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); - switch ((rev & 0xf000) >> 12) { - case 0: - case 3: - for (i = 0; bcm_uart_subver_table[i].name; i++) { - if (subver == bcm_uart_subver_table[i].subver) { - hw_name = bcm_uart_subver_table[i].name; - break; - } - } + if (*fw_load_done) + return 0; - snprintf(fw_name, sizeof(fw_name), "brcm/%s.hcd", - hw_name ? : "BCM"); - break; - case 1: - case 2: + if (hdev->bus == HCI_USB) { /* Read USB Product Info */ skb = btbcm_read_usb_product(hdev); if (IS_ERR(skb)) @@ -479,67 +639,94 @@ int btbcm_setup_patchram(struct hci_dev *hdev) pid = get_unaligned_le16(skb->data + 3); kfree_skb(skb); - for (i = 0; bcm_usb_subver_table[i].name; i++) { - if (subver == bcm_usb_subver_table[i].subver) { - hw_name = bcm_usb_subver_table[i].name; - break; - } - } - - snprintf(fw_name, sizeof(fw_name), "brcm/%s-%4.4x-%4.4x.hcd", - hw_name ? : "BCM", vid, pid); - break; - default: - return 0; + snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid); } - BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, - hw_name ? : "BCM", (subver & 0xe000) >> 13, - (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); + fw_name = kmalloc_array(BCM_FW_NAME_COUNT_MAX, + sizeof(*fw_name), + GFP_KERNEL); + if (!fw_name) + return -ENOMEM; + + if (hw_name) { + if (board_name) { + snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, + "brcm/%s%s.%s.hcd", hw_name, postfix, board_name); + fw_name_count++; + } + snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, + "brcm/%s%s.hcd", hw_name, postfix); + fw_name_count++; + } - err = request_firmware(&fw, fw_name, &hdev->dev); - if (err < 0) { - BT_INFO("%s: BCM: Patch %s not found", hdev->name, fw_name); - goto done; + if (board_name) { + snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, + "brcm/BCM%s.%s.hcd", postfix, board_name); + fw_name_count++; + } + snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, + "brcm/BCM%s.hcd", postfix); + fw_name_count++; + + for (i = 0; i < fw_name_count; i++) { + err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev); + if (err == 0) { + bt_dev_info(hdev, "%s '%s' Patch", + hw_name ? hw_name : "BCM", fw_name[i]); + *fw_load_done = true; + break; + } } - btbcm_patchram(hdev, fw); + if (*fw_load_done) { + err = btbcm_patchram(hdev, fw); + if (err) + bt_dev_info(hdev, "BCM: Patch failed (%d)", err); - release_firmware(fw); + release_firmware(fw); + } else { + bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:"); + for (i = 0; i < fw_name_count; i++) + bt_dev_err(hdev, "BCM: '%s'", fw_name[i]); + } - /* Reset */ - err = btbcm_reset(hdev); - if (err) - return err; + kfree(fw_name); + return 0; +} +EXPORT_SYMBOL_GPL(btbcm_initialize); - /* Read Local Version Info */ - skb = btbcm_read_local_version(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); +int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode) +{ + int err; - 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); + /* Re-initialize if necessary */ + if (*fw_load_done) { + err = btbcm_initialize(hdev, fw_load_done, use_autobaud_mode); + if (err) + return err; + } - BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, - hw_name ? : "BCM", (subver & 0xe000) >> 13, - (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); + btbcm_check_bdaddr(hdev); - /* Read Local Name */ - skb = btbcm_read_local_name(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); + hci_set_quirk(hdev, HCI_QUIRK_STRICT_DUPLICATE_FILTER); - BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1)); - kfree_skb(skb); + return 0; +} +EXPORT_SYMBOL_GPL(btbcm_finalize); -done: - btbcm_check_bdaddr(hdev); +int btbcm_setup_patchram(struct hci_dev *hdev) +{ + bool fw_load_done = false; + bool use_autobaud_mode = false; + int err; - set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); + /* Initialize */ + err = btbcm_initialize(hdev, &fw_load_done, use_autobaud_mode); + if (err) + return err; - return 0; + /* Re-initialize after loading Patch */ + return btbcm_finalize(hdev, &fw_load_done, use_autobaud_mode); } EXPORT_SYMBOL_GPL(btbcm_setup_patchram); @@ -556,35 +743,35 @@ int btbcm_setup_apple(struct hci_dev *hdev) /* Read Verbose Config Version Info */ skb = btbcm_read_verbose_config(hdev); if (!IS_ERR(skb)) { - BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, - skb->data[1], get_unaligned_le16(skb->data + 5)); + 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_INFO("%s: BCM: product %4.4x:%4.4x", hdev->name, - get_unaligned_le16(skb->data + 1), - get_unaligned_le16(skb->data + 3)); + 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_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]); + 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_INFO("%s: %s", hdev->name, (char *)(skb->data + 1)); + bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); kfree_skb(skb); } - set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_STRICT_DUPLICATE_FILTER); return 0; } |