From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/bluetooth/btbcm.c | 280 +++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 205 insertions(+), 75 deletions(-)
diff --git a/kernel/drivers/bluetooth/btbcm.c b/kernel/drivers/bluetooth/btbcm.c
index ff6203c..3fe056c 100644
--- a/kernel/drivers/bluetooth/btbcm.c
+++ b/kernel/drivers/bluetooth/btbcm.c
@@ -1,26 +1,14 @@
+// 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
- *
*/
+#ifndef __GENKSYMS__ // ANDROID CRC kabi preservation hack due to commit 76dd7893bd10
+#include <linux/efi.h>
+#endif
#include <linux/module.h>
#include <linux/firmware.h>
#include <asm/unaligned.h>
@@ -33,8 +21,56 @@
#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_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 2
+/* 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)
{
@@ -45,6 +81,7 @@
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;
}
@@ -64,18 +101,36 @@
* 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.
*/
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_dev_info(hdev, "BCM: Using default device address (%pMR)",
- &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_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);
+ set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+ }
}
kfree_skb(skb);
@@ -100,6 +155,52 @@
return 0;
}
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)
{
@@ -171,6 +272,7 @@
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;
}
@@ -304,6 +406,13 @@
bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
kfree_skb(skb);
+ return 0;
+}
+
+static int btbcm_print_local_name(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
/* Read Local Name */
skb = btbcm_read_local_name(hdev);
if (IS_ERR(skb))
@@ -322,7 +431,9 @@
static const struct bcm_subver_table bcm_uart_subver_table[] = {
{ 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 */
@@ -330,7 +441,14 @@
{ 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 */
{ }
};
@@ -341,22 +459,26 @@
{ 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_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
- bool reinit)
+int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done)
{
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;
+ const char *hw_name = NULL;
+ char postfix[16] = "";
+ int fw_name_count = 0;
+ bcm_fw_name *fw_name;
+ const struct firmware *fw;
int i, err;
/* Reset */
@@ -375,15 +497,14 @@
kfree_skb(skb);
/* Read controller information */
- if (!reinit) {
+ if (!(*fw_load_done)) {
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;
+ err = btbcm_print_local_name(hdev);
+ if (err)
+ return err;
bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table :
bcm_uart_subver_table;
@@ -395,6 +516,13 @@
}
}
+ 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);
+
+ if (*fw_load_done)
+ return 0;
+
if (hdev->bus == HCI_USB) {
/* Read USB Product Info */
skb = btbcm_read_usb_product(hdev);
@@ -405,29 +533,60 @@
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);
+ snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
}
- 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);
+ fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
+ if (!fw_name)
+ return -ENOMEM;
+ if (hw_name) {
+ snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
+ "brcm/%s%s.hcd", hw_name, postfix);
+ 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;
+ }
+ }
+
+ if (*fw_load_done) {
+ err = btbcm_patchram(hdev, fw);
+ if (err)
+ bt_dev_info(hdev, "BCM: Patch failed (%d)", err);
+
+ 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]);
+ }
+
+ kfree(fw_name);
return 0;
}
EXPORT_SYMBOL_GPL(btbcm_initialize);
-int btbcm_finalize(struct hci_dev *hdev)
+int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done)
{
- char fw_name[64];
int err;
- /* Re-initialize */
- err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), true);
- if (err)
- return err;
+ /* Re-initialize if necessary */
+ if (*fw_load_done) {
+ err = btbcm_initialize(hdev, fw_load_done);
+ if (err)
+ return err;
+ }
btbcm_check_bdaddr(hdev);
@@ -439,45 +598,16 @@
int btbcm_setup_patchram(struct hci_dev *hdev)
{
- char fw_name[64];
- const struct firmware *fw;
- struct sk_buff *skb;
+ bool fw_load_done = false;
int err;
/* Initialize */
- err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), false);
+ err = btbcm_initialize(hdev, &fw_load_done);
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;
+ /* Re-initialize after loading Patch */
+ return btbcm_finalize(hdev, &fw_load_done);
}
EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
--
Gitblit v1.6.2