| Message ID | 20200925090829.3088-1-rjliao@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3] Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support | expand |
Hi Rocky, > This patch add support for WCN6855 i.e. patch and nvm download > support. please always include the content of /sys/kernel/debug/usb/devices for this hardware. > > Signed-off-by: Rocky Liao <rjliao@codeaurora.org> > --- > drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++-------- > 1 file changed, 53 insertions(+), 13 deletions(-) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 9f294b941943..e888e4c02d69 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -59,6 +59,7 @@ static struct usb_driver btusb_driver; > #define BTUSB_MEDIATEK 0x200000 > #define BTUSB_WIDEBAND_SPEECH 0x400000 > #define BTUSB_VALID_LE_STATES 0x800000 > +#define BTUSB_QCA_WCN6855 0x1000000 > > static const struct usb_device_id btusb_table[] = { > /* Generic Bluetooth USB device */ > @@ -291,6 +292,10 @@ static const struct usb_device_id blacklist_table[] = { > { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | > BTUSB_WIDEBAND_SPEECH }, > > + /* QCA WCN6855 chipset */ > + { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | > + BTUSB_WIDEBAND_SPEECH }, > + > /* Broadcom BCM2035 */ > { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, > { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, > @@ -3409,6 +3414,27 @@ static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, > return 0; > } > > +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, > + const bdaddr_t *bdaddr) > +{ > + struct sk_buff *skb; > + u8 buf[6]; > + long ret; > + > + memcpy(buf, bdaddr, sizeof(bdaddr_t)); > + > + skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, > + HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); > + if (IS_ERR(skb)) { > + ret = PTR_ERR(skb); > + bt_dev_err(hdev, "Change address command failed (%ld)", ret); > + return ret; > + } > + kfree_skb(skb); > + > + return 0; > +} > + > #define QCA_DFU_PACKET_LEN 4096 > > #define QCA_GET_TARGET_VERSION 0x09 > @@ -3428,7 +3454,8 @@ struct qca_version { > } __packed; > > struct qca_rampatch_version { > - __le16 rom_version; > + __le16 rom_version_high; > + __le16 rom_version_low; > __le16 patch_version; > } __packed; How does this work. The struct now has an extra 16-bit in the middle. Is this backwards compatible? > > @@ -3440,12 +3467,14 @@ struct qca_device_info { > }; > > static const struct qca_device_info qca_devices_table[] = { > - { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ > - { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ > - { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ > - { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ > - { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ > - { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ > + { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ > + { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ Align it with 8 } > + { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ > + { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ > + { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ > + { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ > + { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ > + { 0x00130200, 40, 4, 16 } /* WCN6855 2.0 */ And the last one should also be }, > }; > > static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, > @@ -3547,8 +3576,8 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, > { > struct qca_rampatch_version *rver; > const struct firmware *fw; > - u32 ver_rom, ver_patch; > - u16 rver_rom, rver_patch; > + u32 ver_rom, ver_patch, rver_rom; > + u16 rver_rom_low, rver_rom_high, rver_patch; > char fwname[64]; > int err; > > @@ -3567,9 +3596,16 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, > bt_dev_info(hdev, "using rampatch file: %s", fwname); > > rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); > - rver_rom = le16_to_cpu(rver->rom_version); > + rver_rom_low = le16_to_cpu(rver->rom_version_low); > rver_patch = le16_to_cpu(rver->patch_version); > > + if (ver_rom & ~0xffffU) { > + rver_rom_high = le16_to_cpu(rver->rom_version_high); > + rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low); > + } else { > + rver_rom = rver_rom_low; > + } > + > bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " > "firmware rome 0x%x build 0x%x", > rver_rom, rver_patch, ver_rom, ver_patch); > @@ -3643,9 +3679,6 @@ static int btusb_setup_qca(struct hci_dev *hdev) > return err; > > ver_rom = le32_to_cpu(ver.rom_version); > - /* Don't care about high ROM versions */ > - if (ver_rom & ~0xffffU) > - return 0; > > for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { > if (ver_rom == qca_devices_table[i].rom_version) > @@ -4081,6 +4114,13 @@ static int btusb_probe(struct usb_interface *intf, > btusb_check_needs_reset_resume(intf); > } > > + if (id->driver_info & BTUSB_QCA_WCN6855) { > + data->setup_on_usb = btusb_setup_qca; > + hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; > + hdev->cmd_timeout = btusb_qca_cmd_timeout; > + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); > + } > + > if (id->driver_info & BTUSB_AMP) { > /* AMP controllers do not support SCO packets */ > data->isoc = NULL; Regards Marcel
Hi Marcel, 在 2020-09-26 00:08，Marcel Holtmann 写道： > Hi Rocky, > >> This patch add support for WCN6855 i.e. patch and nvm download >> support. > > please always include the content of /sys/kernel/debug/usb/devices for > this hardware. > OK. >> >> Signed-off-by: Rocky Liao <rjliao@codeaurora.org> >> --- >> drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++-------- >> 1 file changed, 53 insertions(+), 13 deletions(-) >> >> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c >> index 9f294b941943..e888e4c02d69 100644 >> --- a/drivers/bluetooth/btusb.c >> +++ b/drivers/bluetooth/btusb.c >> @@ -59,6 +59,7 @@ static struct usb_driver btusb_driver; >> #define BTUSB_MEDIATEK 0x200000 >> #define BTUSB_WIDEBAND_SPEECH 0x400000 >> #define BTUSB_VALID_LE_STATES 0x800000 >> +#define BTUSB_QCA_WCN6855 0x1000000 >> >> static const struct usb_device_id btusb_table[] = { >> /* Generic Bluetooth USB device */ >> @@ -291,6 +292,10 @@ static const struct usb_device_id >> blacklist_table[] = { >> { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | >> BTUSB_WIDEBAND_SPEECH }, >> >> + /* QCA WCN6855 chipset */ >> + { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | >> + BTUSB_WIDEBAND_SPEECH }, >> + >> /* Broadcom BCM2035 */ >> { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, >> { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, >> @@ -3409,6 +3414,27 @@ static int btusb_set_bdaddr_ath3012(struct >> hci_dev *hdev, >> return 0; >> } >> >> +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, >> + const bdaddr_t *bdaddr) >> +{ >> + struct sk_buff *skb; >> + u8 buf[6]; >> + long ret; >> + >> + memcpy(buf, bdaddr, sizeof(bdaddr_t)); >> + >> + skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, >> + HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); >> + if (IS_ERR(skb)) { >> + ret = PTR_ERR(skb); >> + bt_dev_err(hdev, "Change address command failed (%ld)", ret); >> + return ret; >> + } >> + kfree_skb(skb); >> + >> + return 0; >> +} >> + >> #define QCA_DFU_PACKET_LEN 4096 >> >> #define QCA_GET_TARGET_VERSION 0x09 >> @@ -3428,7 +3454,8 @@ struct qca_version { >> } __packed; >> >> struct qca_rampatch_version { >> - __le16 rom_version; >> + __le16 rom_version_high; >> + __le16 rom_version_low; >> __le16 patch_version; >> } __packed; > > How does this work. The struct now has an extra 16-bit in the middle. > Is this backwards compatible? > It works with old HW by shift the offset byte in qca_devices_table, from 18 to 16. So for old HW only rom_version_low is being used and it still points to the correct bytes. >> >> @@ -3440,12 +3467,14 @@ struct qca_device_info { >> }; >> >> static const struct qca_device_info qca_devices_table[] = { >> - { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ >> - { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ >> - { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ >> - { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ >> - { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ >> - { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ >> + { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ >> + { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ > > Align it with 8 } > OK. >> + { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ >> + { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ >> + { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ >> + { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ >> + { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ >> + { 0x00130200, 40, 4, 16 } /* WCN6855 2.0 */ > > And the last one should also be }, > OK. >> }; >> >> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 >> request, >> @@ -3547,8 +3576,8 @@ static int btusb_setup_qca_load_rampatch(struct >> hci_dev *hdev, >> { >> struct qca_rampatch_version *rver; >> const struct firmware *fw; >> - u32 ver_rom, ver_patch; >> - u16 rver_rom, rver_patch; >> + u32 ver_rom, ver_patch, rver_rom; >> + u16 rver_rom_low, rver_rom_high, rver_patch; >> char fwname[64]; >> int err; >> >> @@ -3567,9 +3596,16 @@ static int btusb_setup_qca_load_rampatch(struct >> hci_dev *hdev, >> bt_dev_info(hdev, "using rampatch file: %s", fwname); >> >> rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); >> - rver_rom = le16_to_cpu(rver->rom_version); >> + rver_rom_low = le16_to_cpu(rver->rom_version_low); >> rver_patch = le16_to_cpu(rver->patch_version); >> >> + if (ver_rom & ~0xffffU) { >> + rver_rom_high = le16_to_cpu(rver->rom_version_high); >> + rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low); >> + } else { >> + rver_rom = rver_rom_low; >> + } >> + >> bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " >> "firmware rome 0x%x build 0x%x", >> rver_rom, rver_patch, ver_rom, ver_patch); >> @@ -3643,9 +3679,6 @@ static int btusb_setup_qca(struct hci_dev *hdev) >> return err; >> >> ver_rom = le32_to_cpu(ver.rom_version); >> - /* Don't care about high ROM versions */ >> - if (ver_rom & ~0xffffU) >> - return 0; >> >> for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { >> if (ver_rom == qca_devices_table[i].rom_version) >> @@ -4081,6 +4114,13 @@ static int btusb_probe(struct usb_interface >> *intf, >> btusb_check_needs_reset_resume(intf); >> } >> >> + if (id->driver_info & BTUSB_QCA_WCN6855) { >> + data->setup_on_usb = btusb_setup_qca; >> + hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; >> + hdev->cmd_timeout = btusb_qca_cmd_timeout; >> + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); >> + } >> + >> if (id->driver_info & BTUSB_AMP) { >> /* AMP controllers do not support SCO packets */ >> data->isoc = NULL; > > Regards > > Marcel
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 9f294b941943..e888e4c02d69 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -59,6 +59,7 @@ static struct usb_driver btusb_driver; #define BTUSB_MEDIATEK 0x200000 #define BTUSB_WIDEBAND_SPEECH 0x400000 #define BTUSB_VALID_LE_STATES 0x800000 +#define BTUSB_QCA_WCN6855 0x1000000 static const struct usb_device_id btusb_table[] = { /* Generic Bluetooth USB device */ @@ -291,6 +292,10 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | BTUSB_WIDEBAND_SPEECH }, + /* QCA WCN6855 chipset */ + { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + /* Broadcom BCM2035 */ { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, @@ -3409,6 +3414,27 @@ static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, return 0; } +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, + const bdaddr_t *bdaddr) +{ + struct sk_buff *skb; + u8 buf[6]; + long ret; + + memcpy(buf, bdaddr, sizeof(bdaddr_t)); + + skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, + HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + bt_dev_err(hdev, "Change address command failed (%ld)", ret); + return ret; + } + kfree_skb(skb); + + return 0; +} + #define QCA_DFU_PACKET_LEN 4096 #define QCA_GET_TARGET_VERSION 0x09 @@ -3428,7 +3454,8 @@ struct qca_version { } __packed; struct qca_rampatch_version { - __le16 rom_version; + __le16 rom_version_high; + __le16 rom_version_low; __le16 patch_version; } __packed; @@ -3440,12 +3467,14 @@ struct qca_device_info { }; static const struct qca_device_info qca_devices_table[] = { - { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ - { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ - { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ - { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ - { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ - { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ + { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ + { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ + { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ + { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ + { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ + { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ + { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ + { 0x00130200, 40, 4, 16 } /* WCN6855 2.0 */ }; static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, @@ -3547,8 +3576,8 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, { struct qca_rampatch_version *rver; const struct firmware *fw; - u32 ver_rom, ver_patch; - u16 rver_rom, rver_patch; + u32 ver_rom, ver_patch, rver_rom; + u16 rver_rom_low, rver_rom_high, rver_patch; char fwname[64]; int err; @@ -3567,9 +3596,16 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, bt_dev_info(hdev, "using rampatch file: %s", fwname); rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); - rver_rom = le16_to_cpu(rver->rom_version); + rver_rom_low = le16_to_cpu(rver->rom_version_low); rver_patch = le16_to_cpu(rver->patch_version); + if (ver_rom & ~0xffffU) { + rver_rom_high = le16_to_cpu(rver->rom_version_high); + rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low); + } else { + rver_rom = rver_rom_low; + } + bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " "firmware rome 0x%x build 0x%x", rver_rom, rver_patch, ver_rom, ver_patch); @@ -3643,9 +3679,6 @@ static int btusb_setup_qca(struct hci_dev *hdev) return err; ver_rom = le32_to_cpu(ver.rom_version); - /* Don't care about high ROM versions */ - if (ver_rom & ~0xffffU) - return 0; for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { if (ver_rom == qca_devices_table[i].rom_version) @@ -4081,6 +4114,13 @@ static int btusb_probe(struct usb_interface *intf, btusb_check_needs_reset_resume(intf); } + if (id->driver_info & BTUSB_QCA_WCN6855) { + data->setup_on_usb = btusb_setup_qca; + hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; + hdev->cmd_timeout = btusb_qca_cmd_timeout; + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); + } + if (id->driver_info & BTUSB_AMP) { /* AMP controllers do not support SCO packets */ data->isoc = NULL;
This patch add support for WCN6855 i.e. patch and nvm download support. Signed-off-by: Rocky Liao <rjliao@codeaurora.org> --- drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++-------- 1 file changed, 53 insertions(+), 13 deletions(-)