| Message ID | 1602678517-9912-1-git-send-email-kiran.k@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v7,1/4] Bluetooth: btusb: Add *setup* function for new generation Intel controllers | expand |
Hi Kiran, > Signed-off-by: Kiran K <kiran.k@intel.com> > Signed-off-by: Amit K Bag <amit.k.bag@intel.com> > Signed-off-by: Raghuram Hegde <raghuram.hegde@intel.com> > Reviewed-by: Sathish Narasimman <Sathish.Narasimman@intel.com> > Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com> > Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> > --- > Changes in v7: > * split code in to multiple patches > > Changes in v6: > * Revert to v4 > * Move TyphoonPeak controller mapping to BTUSB_INTEL_NEWGEN to > a separte patch > > Changes in v5: > * Remove BTUSB_INTEL_NEWGEN and use usb vid/pid combination to > identify controller type > > Changes in v4: > * Rebase patchset > * Fix indentation issues > * make btusb_setup_intel_new_get_fw_name to return void as return value is > not getting used > > Changes in v3: > * Combine the two patches in v2 series to one to avoid compiler warnings > reported by kernel bot (lkp) > > Changed in v2: > * Fix typo in commit message > > drivers/bluetooth/btusb.c | 144 +++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 143 insertions(+), 1 deletion(-) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 1005b6e..2e40885 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -60,6 +60,7 @@ static struct usb_driver btusb_driver; > #define BTUSB_WIDEBAND_SPEECH 0x400000 > #define BTUSB_VALID_LE_STATES 0x800000 > #define BTUSB_QCA_WCN6855 0x1000000 > +#define BTUSB_INTEL_NEWGEN 0x2000000 > > static const struct usb_device_id btusb_table[] = { > /* Generic Bluetooth USB device */ > @@ -2693,6 +2694,132 @@ static int btusb_setup_intel_new(struct hci_dev *hdev) > return 0; > } > > +static int btusb_setup_intel_newgen(struct hci_dev *hdev) > +{ > + struct btusb_data *data = hci_get_drvdata(hdev); > + u32 boot_param; > + char ddcname[64]; > + ktime_t calltime, delta, rettime; > + unsigned long long duration; > + int err; > + struct intel_debug_features features; > + struct intel_version_tlv version; > + > + BT_DBG("%s", hdev->name); lets use bt_dev_dbg here. > + > + /* Set the default boot parameter to 0x0 and it is updated to > + * SKU specific boot parameter after reading Intel_Write_Boot_Params > + * command while downloading the firmware. > + */ > + boot_param = 0x00000000; > + > + calltime = ktime_get(); > + > + /* Read the Intel version information to determine if the device > + * is in bootloader mode or if it already has operational firmware > + * loaded. > + */ > + err = btintel_read_version_tlv(hdev, &version); > + if (err) { > + bt_dev_err(hdev, "Intel Read version failed (%d)", err); > + btintel_reset_to_bootloader(hdev); > + return err; > + } > + > + btintel_version_info_tlv(hdev, &version); > + > + /* TODO: Plugin in code here to download firmware */ > + > + /* check if controller is already having an operational firmware */ > + if (version.img_type == 0x03) > + goto finish; > + > + rettime = ktime_get(); > + delta = ktime_sub(rettime, calltime); > + duration = (unsigned long long)ktime_to_ns(delta) >> 10; > + > + bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); > + > + calltime = ktime_get(); > + > + set_bit(BTUSB_BOOTING, &data->flags); > + > + err = btintel_send_intel_reset(hdev, boot_param); > + if (err) { > + bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err); > + btintel_reset_to_bootloader(hdev); > + return err; > + } > + > + /* The bootloader will not indicate when the device is ready. This > + * is done by the operational firmware sending bootup notification. > + * > + * Booting into operational firmware should not take longer than > + * 1 second. However if that happens, then just fail the setup > + * since something went wrong. > + */ > + bt_dev_info(hdev, "Waiting for device to boot"); > + > + err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, > + TASK_INTERRUPTIBLE, > + msecs_to_jiffies(1000)); > + > + if (err == -EINTR) { > + bt_dev_err(hdev, "Device boot interrupted"); > + return -EINTR; > + } > + > + if (err) { > + bt_dev_err(hdev, "Device boot timeout"); > + btintel_reset_to_bootloader(hdev); > + return -ETIMEDOUT; > + } > + > + rettime = ktime_get(); > + delta = ktime_sub(rettime, calltime); > + duration = (unsigned long long)ktime_to_ns(delta) >> 10; > + > + bt_dev_info(hdev, "Device booted in %llu usecs", duration); > + > + clear_bit(BTUSB_BOOTLOADER, &data->flags); > + > + /* TODO: Insert function call here to get the ddc file name */ Don’t add TODO. Just provide the patches in the right order. > + > + /* Once the device is running in operational mode, it needs to > + * apply the device configuration (DDC) parameters. > + * > + * The device can work without DDC parameters, so even if it > + * fails to load the file, no need to fail the setup. > + */ > + btintel_load_ddc_config(hdev, ddcname); > + > + /* Read the Intel supported features and if new exception formats > + * supported, need to load the additional DDC config to enable. > + */ > + btintel_read_debug_features(hdev, &features); > + > + /* Set DDC mask for available debug features */ > + btintel_set_debug_features(hdev, &features); > + > + /* Read the Intel version information after loading the FW */ > + err = btintel_read_version_tlv(hdev, &version); > + if (err) > + return err; > + > + btintel_version_info_tlv(hdev, &version); > + > +finish: > + /* Set the event mask for Intel specific vendor events. This enables > + * a few extra events that are useful during general operation. It > + * does not enable any debugging related events. > + * > + * The device will function correctly without these events enabled > + * and thus no need to fail the setup. > + */ > + btintel_set_event_mask(hdev, false); > + > + return 0; > +} > static int btusb_shutdown_intel(struct hci_dev *hdev) > { > struct sk_buff *skb; > @@ -3969,7 +4096,8 @@ static int btusb_probe(struct usb_interface *intf, > init_usb_anchor(&data->ctrl_anchor); > spin_lock_init(&data->rxlock); > > - if (id->driver_info & BTUSB_INTEL_NEW) { > + if ((id->driver_info & BTUSB_INTEL_NEW) || > + (id->driver_info & BTUSB_INTEL_NEWGEN)) { This seems to be a leftover. Put all in the BTUSB_INTEL_NEWGEN section. > data->recv_event = btusb_recv_event_intel; > data->recv_bulk = btusb_recv_bulk_intel; > set_bit(BTUSB_BOOTLOADER, &data->flags); > @@ -4078,6 +4206,20 @@ static int btusb_probe(struct usb_interface *intf, > set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); > } > > + if (id->driver_info & BTUSB_INTEL_NEWGEN) { > + hdev->manufacturer = 2; > + hdev->send = btusb_send_frame_intel; > + hdev->setup = btusb_setup_intel_newgen; > + hdev->shutdown = btusb_shutdown_intel_new; > + hdev->hw_error = btintel_hw_error; > + hdev->set_diag = btintel_set_diag; > + hdev->set_bdaddr = btintel_set_bdaddr; > + hdev->cmd_timeout = btusb_intel_cmd_timeout; > + set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); > + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); > + set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); > + } > + > if (id->driver_info & BTUSB_MARVELL) > hdev->set_bdaddr = btusb_set_bdaddr_marvell; Regards Marcel
Hi Marcel, > -----Original Message----- > From: Marcel Holtmann <marcel@holtmann.org> > Sent: Wednesday, November 11, 2020 4:31 PM > To: Kiran K <kiraank@gmail.com> > Cc: linux-bluetooth <linux-bluetooth@vger.kernel.org>; Narasimman, Sathish > <sathish.narasimman@intel.com>; Tumkur Narayan, Chethan > <chethan.tumkur.narayan@intel.com>; Srivatsa, Ravishankar > <ravishankar.srivatsa@intel.com>; K, Kiran <kiran.k@intel.com>; Bag, Amit K > <amit.k.bag@intel.com>; Raghuram Hegde <raghuram.hegde@intel.com> > Subject: Re: [PATCH v7 1/4] Bluetooth: btusb: Add *setup* function for new > generation Intel controllers > > Hi Kiran, > > > Signed-off-by: Kiran K <kiran.k@intel.com> > > Signed-off-by: Amit K Bag <amit.k.bag@intel.com> > > Signed-off-by: Raghuram Hegde <raghuram.hegde@intel.com> > > Reviewed-by: Sathish Narasimman <Sathish.Narasimman@intel.com> > > Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com> > > Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> > > --- > > Changes in v7: > > * split code in to multiple patches > > > > Changes in v6: > > * Revert to v4 > > * Move TyphoonPeak controller mapping to BTUSB_INTEL_NEWGEN to a > > separte patch > > > > Changes in v5: > > * Remove BTUSB_INTEL_NEWGEN and use usb vid/pid combination to > > identify controller type > > > > Changes in v4: > > * Rebase patchset > > * Fix indentation issues > > * make btusb_setup_intel_new_get_fw_name to return void as return > > value is not getting used > > > > Changes in v3: > > * Combine the two patches in v2 series to one to avoid compiler warnings > > reported by kernel bot (lkp) > > > > Changed in v2: > > * Fix typo in commit message > > > > drivers/bluetooth/btusb.c | 144 > > +++++++++++++++++++++++++++++++++++++++++++++- > > 1 file changed, 143 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > > index 1005b6e..2e40885 100644 > > --- a/drivers/bluetooth/btusb.c > > +++ b/drivers/bluetooth/btusb.c > > @@ -60,6 +60,7 @@ static struct usb_driver btusb_driver; > > #define BTUSB_WIDEBAND_SPEECH 0x400000 > > #define BTUSB_VALID_LE_STATES 0x800000 > > #define BTUSB_QCA_WCN6855 0x1000000 > > +#define BTUSB_INTEL_NEWGEN 0x2000000 > > > > static const struct usb_device_id btusb_table[] = { > > /* Generic Bluetooth USB device */ > > @@ -2693,6 +2694,132 @@ static int btusb_setup_intel_new(struct > hci_dev *hdev) > > return 0; > > } > > > > +static int btusb_setup_intel_newgen(struct hci_dev *hdev) { > > + struct btusb_data *data = hci_get_drvdata(hdev); > > + u32 boot_param; > > + char ddcname[64]; > > + ktime_t calltime, delta, rettime; > > + unsigned long long duration; > > + int err; > > + struct intel_debug_features features; > > + struct intel_version_tlv version; > > + > > + BT_DBG("%s", hdev->name); > > lets use bt_dev_dbg here. Ack. > > > + > > + /* Set the default boot parameter to 0x0 and it is updated to > > + * SKU specific boot parameter after reading > Intel_Write_Boot_Params > > + * command while downloading the firmware. > > + */ > > + boot_param = 0x00000000; > > + > > + calltime = ktime_get(); > > + > > + /* Read the Intel version information to determine if the device > > + * is in bootloader mode or if it already has operational firmware > > + * loaded. > > + */ > > + err = btintel_read_version_tlv(hdev, &version); > > + if (err) { > > + bt_dev_err(hdev, "Intel Read version failed (%d)", err); > > + btintel_reset_to_bootloader(hdev); > > + return err; > > + } > > + > > + btintel_version_info_tlv(hdev, &version); > > + > > + /* TODO: Plugin in code here to download firmware */ > > + > > + /* check if controller is already having an operational firmware */ > > + if (version.img_type == 0x03) > > + goto finish; > > + > > + rettime = ktime_get(); > > + delta = ktime_sub(rettime, calltime); > > + duration = (unsigned long long)ktime_to_ns(delta) >> 10; > > + > > + bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); > > + > > + calltime = ktime_get(); > > + > > + set_bit(BTUSB_BOOTING, &data->flags); > > + > > + err = btintel_send_intel_reset(hdev, boot_param); > > + if (err) { > > + bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err); > > + btintel_reset_to_bootloader(hdev); > > + return err; > > + } > > + > > + /* The bootloader will not indicate when the device is ready. This > > + * is done by the operational firmware sending bootup notification. > > + * > > + * Booting into operational firmware should not take longer than > > + * 1 second. However if that happens, then just fail the setup > > + * since something went wrong. > > + */ > > + bt_dev_info(hdev, "Waiting for device to boot"); > > + > > + err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, > > + TASK_INTERRUPTIBLE, > > + msecs_to_jiffies(1000)); > > + > > + if (err == -EINTR) { > > + bt_dev_err(hdev, "Device boot interrupted"); > > + return -EINTR; > > + } > > + > > + if (err) { > > + bt_dev_err(hdev, "Device boot timeout"); > > + btintel_reset_to_bootloader(hdev); > > + return -ETIMEDOUT; > > + } > > + > > + rettime = ktime_get(); > > + delta = ktime_sub(rettime, calltime); > > + duration = (unsigned long long)ktime_to_ns(delta) >> 10; > > + > > + bt_dev_info(hdev, "Device booted in %llu usecs", duration); > > + > > + clear_bit(BTUSB_BOOTLOADER, &data->flags); > > + > > + /* TODO: Insert function call here to get the ddc file name */ > > Don’t add TODO. Just provide the patches in the right order. > Ack > > + > > + /* Once the device is running in operational mode, it needs to > > + * apply the device configuration (DDC) parameters. > > + * > > + * The device can work without DDC parameters, so even if it > > + * fails to load the file, no need to fail the setup. > > + */ > > + btintel_load_ddc_config(hdev, ddcname); > > + > > + /* Read the Intel supported features and if new exception formats > > + * supported, need to load the additional DDC config to enable. > > + */ > > + btintel_read_debug_features(hdev, &features); > > + > > + /* Set DDC mask for available debug features */ > > + btintel_set_debug_features(hdev, &features); > > + > > + /* Read the Intel version information after loading the FW */ > > + err = btintel_read_version_tlv(hdev, &version); > > + if (err) > > + return err; > > + > > + btintel_version_info_tlv(hdev, &version); > > + > > +finish: > > + /* Set the event mask for Intel specific vendor events. This enables > > + * a few extra events that are useful during general operation. It > > + * does not enable any debugging related events. > > + * > > + * The device will function correctly without these events enabled > > + * and thus no need to fail the setup. > > + */ > > + btintel_set_event_mask(hdev, false); > > + > > + return 0; > > +} > > static int btusb_shutdown_intel(struct hci_dev *hdev) { > > struct sk_buff *skb; > > @@ -3969,7 +4096,8 @@ static int btusb_probe(struct usb_interface *intf, > > init_usb_anchor(&data->ctrl_anchor); > > spin_lock_init(&data->rxlock); > > > > - if (id->driver_info & BTUSB_INTEL_NEW) { > > + if ((id->driver_info & BTUSB_INTEL_NEW) || > > + (id->driver_info & BTUSB_INTEL_NEWGEN)) { > > This seems to be a leftover. Put all in the BTUSB_INTEL_NEWGEN section. Ok. > > > data->recv_event = btusb_recv_event_intel; > > data->recv_bulk = btusb_recv_bulk_intel; > > set_bit(BTUSB_BOOTLOADER, &data->flags); @@ -4078,6 > +4206,20 @@ > > static int btusb_probe(struct usb_interface *intf, > > set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); > > } > > > > + if (id->driver_info & BTUSB_INTEL_NEWGEN) { > > + hdev->manufacturer = 2; > > + hdev->send = btusb_send_frame_intel; > > + hdev->setup = btusb_setup_intel_newgen; > > + hdev->shutdown = btusb_shutdown_intel_new; > > + hdev->hw_error = btintel_hw_error; > > + hdev->set_diag = btintel_set_diag; > > + hdev->set_bdaddr = btintel_set_bdaddr; > > + hdev->cmd_timeout = btusb_intel_cmd_timeout; > > + set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev- > >quirks); > > + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev- > >quirks); > > + set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); > > + } > > + > > if (id->driver_info & BTUSB_MARVELL) > > hdev->set_bdaddr = btusb_set_bdaddr_marvell; > > Regards > > Marcel I will send an updated version of patch. Thanks, Kiran
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 1005b6e..2e40885 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -60,6 +60,7 @@ static struct usb_driver btusb_driver; #define BTUSB_WIDEBAND_SPEECH 0x400000 #define BTUSB_VALID_LE_STATES 0x800000 #define BTUSB_QCA_WCN6855 0x1000000 +#define BTUSB_INTEL_NEWGEN 0x2000000 static const struct usb_device_id btusb_table[] = { /* Generic Bluetooth USB device */ @@ -2693,6 +2694,132 @@ static int btusb_setup_intel_new(struct hci_dev *hdev) return 0; } +static int btusb_setup_intel_newgen(struct hci_dev *hdev) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + u32 boot_param; + char ddcname[64]; + ktime_t calltime, delta, rettime; + unsigned long long duration; + int err; + struct intel_debug_features features; + struct intel_version_tlv version; + + BT_DBG("%s", hdev->name); + + /* Set the default boot parameter to 0x0 and it is updated to + * SKU specific boot parameter after reading Intel_Write_Boot_Params + * command while downloading the firmware. + */ + boot_param = 0x00000000; + + calltime = ktime_get(); + + /* Read the Intel version information to determine if the device + * is in bootloader mode or if it already has operational firmware + * loaded. + */ + err = btintel_read_version_tlv(hdev, &version); + if (err) { + bt_dev_err(hdev, "Intel Read version failed (%d)", err); + btintel_reset_to_bootloader(hdev); + return err; + } + + btintel_version_info_tlv(hdev, &version); + + /* TODO: Plugin in code here to download firmware */ + + /* check if controller is already having an operational firmware */ + if (version.img_type == 0x03) + goto finish; + + rettime = ktime_get(); + delta = ktime_sub(rettime, calltime); + duration = (unsigned long long)ktime_to_ns(delta) >> 10; + + bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); + + calltime = ktime_get(); + + set_bit(BTUSB_BOOTING, &data->flags); + + err = btintel_send_intel_reset(hdev, boot_param); + if (err) { + bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err); + btintel_reset_to_bootloader(hdev); + return err; + } + + /* The bootloader will not indicate when the device is ready. This + * is done by the operational firmware sending bootup notification. + * + * Booting into operational firmware should not take longer than + * 1 second. However if that happens, then just fail the setup + * since something went wrong. + */ + bt_dev_info(hdev, "Waiting for device to boot"); + + err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, + TASK_INTERRUPTIBLE, + msecs_to_jiffies(1000)); + + if (err == -EINTR) { + bt_dev_err(hdev, "Device boot interrupted"); + return -EINTR; + } + + if (err) { + bt_dev_err(hdev, "Device boot timeout"); + btintel_reset_to_bootloader(hdev); + return -ETIMEDOUT; + } + + rettime = ktime_get(); + delta = ktime_sub(rettime, calltime); + duration = (unsigned long long)ktime_to_ns(delta) >> 10; + + bt_dev_info(hdev, "Device booted in %llu usecs", duration); + + clear_bit(BTUSB_BOOTLOADER, &data->flags); + + /* TODO: Insert function call here to get the ddc file name */ + + /* Once the device is running in operational mode, it needs to + * apply the device configuration (DDC) parameters. + * + * The device can work without DDC parameters, so even if it + * fails to load the file, no need to fail the setup. + */ + btintel_load_ddc_config(hdev, ddcname); + + /* Read the Intel supported features and if new exception formats + * supported, need to load the additional DDC config to enable. + */ + btintel_read_debug_features(hdev, &features); + + /* Set DDC mask for available debug features */ + btintel_set_debug_features(hdev, &features); + + /* Read the Intel version information after loading the FW */ + err = btintel_read_version_tlv(hdev, &version); + if (err) + return err; + + btintel_version_info_tlv(hdev, &version); + +finish: + /* Set the event mask for Intel specific vendor events. This enables + * a few extra events that are useful during general operation. It + * does not enable any debugging related events. + * + * The device will function correctly without these events enabled + * and thus no need to fail the setup. + */ + btintel_set_event_mask(hdev, false); + + return 0; +} static int btusb_shutdown_intel(struct hci_dev *hdev) { struct sk_buff *skb; @@ -3969,7 +4096,8 @@ static int btusb_probe(struct usb_interface *intf, init_usb_anchor(&data->ctrl_anchor); spin_lock_init(&data->rxlock); - if (id->driver_info & BTUSB_INTEL_NEW) { + if ((id->driver_info & BTUSB_INTEL_NEW) || + (id->driver_info & BTUSB_INTEL_NEWGEN)) { data->recv_event = btusb_recv_event_intel; data->recv_bulk = btusb_recv_bulk_intel; set_bit(BTUSB_BOOTLOADER, &data->flags); @@ -4078,6 +4206,20 @@ static int btusb_probe(struct usb_interface *intf, set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); } + if (id->driver_info & BTUSB_INTEL_NEWGEN) { + hdev->manufacturer = 2; + hdev->send = btusb_send_frame_intel; + hdev->setup = btusb_setup_intel_newgen; + hdev->shutdown = btusb_shutdown_intel_new; + hdev->hw_error = btintel_hw_error; + hdev->set_diag = btintel_set_diag; + hdev->set_bdaddr = btintel_set_bdaddr; + hdev->cmd_timeout = btusb_intel_cmd_timeout; + set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); + set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); + } + if (id->driver_info & BTUSB_MARVELL) hdev->set_bdaddr = btusb_set_bdaddr_marvell;