^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Bluetooth support for Broadcom devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2015 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <asm/unaligned.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <net/bluetooth/bluetooth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <net/bluetooth/hci_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "btbcm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define VERSION "0.1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define BCM_FW_NAME_LEN 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define BCM_FW_NAME_COUNT_MAX 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* For kmalloc-ing the fw-name array instead of putting it on the stack */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) typedef char bcm_fw_name[BCM_FW_NAME_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int btbcm_check_bdaddr(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct hci_rp_read_bd_addr *bda;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (skb->len != sizeof(*bda)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) bt_dev_err(hdev, "BCM: Device address length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) bda = (struct hci_rp_read_bd_addr *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* Check if the address indicates a controller with either an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * invalid or default address. In both cases the device needs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * to be marked as not having a valid address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * with no configured address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * with no configured address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) * The address 20:76:A0:00:56:79 indicates a BCM2076B1 controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * with no configured address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * with waiting for configuration state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * with waiting for configuration state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * with no configured address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) !bacmp(&bda->bdaddr, BDADDR_BCM2076B1) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) !bacmp(&bda->bdaddr, BDADDR_BCM4334B0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) !bacmp(&bda->bdaddr, BDADDR_BCM4345C5) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) bt_dev_info(hdev, "BCM: Using default device address (%pMR)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) &bda->bdaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) EXPORT_SYMBOL_GPL(btbcm_check_bdaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) bt_dev_err(hdev, "BCM: Change address command failed (%d)", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int btbcm_read_pcm_int_params(struct hci_dev *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct bcm_set_pcm_int_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) skb = __hci_cmd_sync(hdev, 0xfc1d, 0, NULL, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) bt_dev_err(hdev, "BCM: Read PCM int params failed (%d)", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (skb->len != 6 || skb->data[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) bt_dev_err(hdev, "BCM: Read PCM int params length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) memcpy(params, skb->data + 1, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int btbcm_write_pcm_int_params(struct hci_dev *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) const struct bcm_set_pcm_int_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) skb = __hci_cmd_sync(hdev, 0xfc1c, 5, params, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) bt_dev_err(hdev, "BCM: Write PCM int params failed (%d)", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) const struct hci_command_hdr *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) const u8 *fw_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) size_t fw_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) u16 opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /* Start Download */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* 50 msec delay after Download Minidrv completes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) msleep(50);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) fw_ptr = fw->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) fw_size = fw->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) while (fw_size >= sizeof(*cmd)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) const u8 *cmd_param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) cmd = (struct hci_command_hdr *)fw_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) fw_ptr += sizeof(*cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) fw_size -= sizeof(*cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (fw_size < cmd->plen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) bt_dev_err(hdev, "BCM: Patch is corrupted");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) cmd_param = fw_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) fw_ptr += cmd->plen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) fw_size -= cmd->plen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) opcode = le16_to_cpu(cmd->opcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) bt_dev_err(hdev, "BCM: Patch command %04x failed (%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) opcode, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /* 250 msec delay after Launch Ram completes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) msleep(250);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) EXPORT_SYMBOL(btbcm_patchram);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static int btbcm_reset(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) int err = PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) bt_dev_err(hdev, "BCM: Reset failed (%d)", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) /* 100 msec delay for module to complete reset process */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) msleep(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) bt_dev_err(hdev, "BCM: Reading local name failed (%ld)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) PTR_ERR(skb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (skb->len != sizeof(struct hci_rp_read_local_name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) bt_dev_err(hdev, "BCM: Local name length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) bt_dev_err(hdev, "BCM: Reading local version info failed (%ld)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) PTR_ERR(skb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (skb->len != sizeof(struct hci_rp_read_local_version)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) bt_dev_err(hdev, "BCM: Local version length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) bt_dev_err(hdev, "BCM: Read verbose config info failed (%ld)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) PTR_ERR(skb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (skb->len != 7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) bt_dev_err(hdev, "BCM: Verbose config length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) bt_dev_err(hdev, "BCM: Read controller features failed (%ld)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) PTR_ERR(skb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (skb->len != 9) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) bt_dev_err(hdev, "BCM: Controller features length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) bt_dev_err(hdev, "BCM: Read USB product info failed (%ld)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) PTR_ERR(skb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (skb->len != 5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) bt_dev_err(hdev, "BCM: USB product length mismatch");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) static int btbcm_read_info(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) /* Read Verbose Config Version Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) skb = btbcm_read_verbose_config(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (IS_ERR(skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* Read Controller Features */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) skb = btbcm_read_controller_features(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (IS_ERR(skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) return PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) static int btbcm_print_local_name(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) /* Read Local Name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) skb = btbcm_read_local_name(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (IS_ERR(skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) struct bcm_subver_table {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) u16 subver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) static const struct bcm_subver_table bcm_uart_subver_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) { 0x4103, "BCM4330B1" }, /* 002.001.003 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) { 0x410d, "BCM4334B0" }, /* 002.001.013 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) { 0x410e, "BCM43341B0" }, /* 002.001.014 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) { 0x4204, "BCM2076B1" }, /* 002.002.004 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) { 0x4406, "BCM4324B3" }, /* 002.004.006 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) { 0x4606, "BCM4324B5" }, /* 002.006.006 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) { 0x6109, "BCM4335C0" }, /* 003.001.009 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) { 0x610c, "BCM4354" }, /* 003.001.012 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) { 0x2122, "BCM4343A0" }, /* 001.001.034 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) { 0x2209, "BCM43430A1" }, /* 001.002.009 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) { 0x6119, "BCM4345C0" }, /* 003.001.025 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) { 0x6606, "BCM4345C5" }, /* 003.006.006 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) { 0x230f, "BCM4356A2" }, /* 001.003.015 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) { 0x220e, "BCM20702A1" }, /* 001.002.014 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) { 0x4217, "BCM4329B1" }, /* 002.002.023 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) { 0x6106, "BCM4359C0" }, /* 003.001.006 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) { 0x4106, "BCM4335A0" }, /* 002.001.006 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) static const struct bcm_subver_table bcm_usb_subver_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) { 0x2105, "BCM20703A1" }, /* 001.001.005 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) { 0x210b, "BCM43142A0" }, /* 001.001.011 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) { 0x2112, "BCM4314A0" }, /* 001.001.018 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) { 0x2118, "BCM20702A0" }, /* 001.001.024 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) { 0x2126, "BCM4335A0" }, /* 001.001.038 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) { 0x220e, "BCM20702A1" }, /* 001.002.014 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) { 0x230f, "BCM4356A2" }, /* 001.003.015 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) { 0x4106, "BCM4335B0" }, /* 002.001.006 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) { 0x410e, "BCM20702B0" }, /* 002.001.014 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) { 0x6109, "BCM4335C0" }, /* 003.001.009 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) { 0x610c, "BCM4354" }, /* 003.001.012 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) { 0x6607, "BCM4350C5" }, /* 003.006.007 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) u16 subver, rev, pid, vid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) struct hci_rp_read_local_version *ver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) const struct bcm_subver_table *bcm_subver_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) const char *hw_name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) char postfix[16] = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) int fw_name_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) bcm_fw_name *fw_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) const struct firmware *fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) int i, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) /* Reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) err = btbcm_reset(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* Read Local Version Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) skb = btbcm_read_local_version(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) if (IS_ERR(skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ver = (struct hci_rp_read_local_version *)skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) rev = le16_to_cpu(ver->hci_rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) subver = le16_to_cpu(ver->lmp_subver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) /* Read controller information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) if (!(*fw_load_done)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) err = btbcm_read_info(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) err = btbcm_print_local_name(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) bcm_uart_subver_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) for (i = 0; bcm_subver_table[i].name; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) if (subver == bcm_subver_table[i].subver) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) hw_name = bcm_subver_table[i].name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (*fw_load_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (hdev->bus == HCI_USB) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) /* Read USB Product Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) skb = btbcm_read_usb_product(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (IS_ERR(skb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return PTR_ERR(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) vid = get_unaligned_le16(skb->data + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) pid = get_unaligned_le16(skb->data + 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) if (!fw_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (hw_name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) "brcm/%s%s.hcd", hw_name, postfix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) fw_name_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) "brcm/BCM%s.hcd", postfix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) fw_name_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) for (i = 0; i < fw_name_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (err == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) bt_dev_info(hdev, "%s '%s' Patch",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) hw_name ? hw_name : "BCM", fw_name[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) *fw_load_done = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if (*fw_load_done) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) err = btbcm_patchram(hdev, fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) bt_dev_info(hdev, "BCM: Patch failed (%d)", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) for (i = 0; i < fw_name_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) bt_dev_err(hdev, "BCM: '%s'", fw_name[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) kfree(fw_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) EXPORT_SYMBOL_GPL(btbcm_initialize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) /* Re-initialize if necessary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (*fw_load_done) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) err = btbcm_initialize(hdev, fw_load_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) btbcm_check_bdaddr(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) EXPORT_SYMBOL_GPL(btbcm_finalize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) int btbcm_setup_patchram(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) bool fw_load_done = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) /* Initialize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) err = btbcm_initialize(hdev, &fw_load_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) /* Re-initialize after loading Patch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) return btbcm_finalize(hdev, &fw_load_done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) int btbcm_setup_apple(struct hci_dev *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) /* Reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) err = btbcm_reset(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) /* Read Verbose Config Version Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) skb = btbcm_read_verbose_config(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) if (!IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) bt_dev_info(hdev, "BCM: chip id %u build %4.4u",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) skb->data[1], get_unaligned_le16(skb->data + 5));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) /* Read USB Product Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) skb = btbcm_read_usb_product(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (!IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) bt_dev_info(hdev, "BCM: product %4.4x:%4.4x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) get_unaligned_le16(skb->data + 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) get_unaligned_le16(skb->data + 3));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) /* Read Controller Features */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) skb = btbcm_read_controller_features(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) if (!IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) /* Read Local Name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) skb = btbcm_read_local_name(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) if (!IS_ERR(skb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) EXPORT_SYMBOL_GPL(btbcm_setup_apple);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) MODULE_VERSION(VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags