Re: [PATCH v10 3/7] Bluetooth: btqca: Redefine qca_uart_setup() to generic function.

2018-07-24 Thread Balakrishna Godavarthi

Hi Matthias,

On 2018-07-23 23:10, Matthias Kaehlcke wrote:

On Fri, Jul 20, 2018 at 07:02:39PM +0530, Balakrishna Godavarthi wrote:

Redefinition of qca_uart_setup will help future Qualcomm Bluetooth
SoC, to use the same function instead of duplicating the function.
Added new arguments soc_type and soc_ver to the functions.

These arguments will help to decide type of firmware files
to be loaded into Bluetooth chip.
soc_type holds the Bluetooth chip connected to APPS processor.
soc_ver holds the Bluetooth chip version.

Signed-off-by: Balakrishna Godavarthi 
Reviewed-by: Matthias Kaehlcke 
---
 drivers/bluetooth/btqca.c   | 20 +++-
 drivers/bluetooth/btqca.h   | 13 +++--
 drivers/bluetooth/hci_qca.c | 10 +-
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index c5cf9cab438a..b556710ee1bd 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -85,6 +85,9 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 
*soc_version)

 out:
kfree_skb(skb);

+   if (err < 0 || *soc_version == 0)
+   bt_dev_err(hdev, "QCA Failed to get version (%d)", err);


You also have to set 'err' if soc_version is 0, so the caller can skip
the check for soc_version == 0

I'd suggest:

  // directly after setting soc_version
  if (*soc_version == 0)
err = -EILSEQ; // or should it be a different error code?

  ...

  if (err)
bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

You could also limit the error log to the 'if (*soc_version == 0)'
branch, for all other errors there will already be a more specific log
entry.



[Bala]: will update.

if(!err && *soc_version == 0)
err = -EINVAL; // as soc_version zero is invalid.

   if (err)
  bt_dev_err(hdev, "QCA Failed to get version (%d)", err);


+
return err;
 }


Cheers

Matthias

--
Regards
Balakrishna.


Re: [PATCH v10 3/7] Bluetooth: btqca: Redefine qca_uart_setup() to generic function.

2018-07-24 Thread Balakrishna Godavarthi

Hi Matthias,

On 2018-07-23 23:10, Matthias Kaehlcke wrote:

On Fri, Jul 20, 2018 at 07:02:39PM +0530, Balakrishna Godavarthi wrote:

Redefinition of qca_uart_setup will help future Qualcomm Bluetooth
SoC, to use the same function instead of duplicating the function.
Added new arguments soc_type and soc_ver to the functions.

These arguments will help to decide type of firmware files
to be loaded into Bluetooth chip.
soc_type holds the Bluetooth chip connected to APPS processor.
soc_ver holds the Bluetooth chip version.

Signed-off-by: Balakrishna Godavarthi 
Reviewed-by: Matthias Kaehlcke 
---
 drivers/bluetooth/btqca.c   | 20 +++-
 drivers/bluetooth/btqca.h   | 13 +++--
 drivers/bluetooth/hci_qca.c | 10 +-
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index c5cf9cab438a..b556710ee1bd 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -85,6 +85,9 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 
*soc_version)

 out:
kfree_skb(skb);

+   if (err < 0 || *soc_version == 0)
+   bt_dev_err(hdev, "QCA Failed to get version (%d)", err);


You also have to set 'err' if soc_version is 0, so the caller can skip
the check for soc_version == 0

I'd suggest:

  // directly after setting soc_version
  if (*soc_version == 0)
err = -EILSEQ; // or should it be a different error code?

  ...

  if (err)
bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

You could also limit the error log to the 'if (*soc_version == 0)'
branch, for all other errors there will already be a more specific log
entry.



[Bala]: will update.

if(!err && *soc_version == 0)
err = -EINVAL; // as soc_version zero is invalid.

   if (err)
  bt_dev_err(hdev, "QCA Failed to get version (%d)", err);


+
return err;
 }


Cheers

Matthias

--
Regards
Balakrishna.


Re: [PATCH v10 3/7] Bluetooth: btqca: Redefine qca_uart_setup() to generic function.

2018-07-23 Thread Matthias Kaehlcke
On Fri, Jul 20, 2018 at 07:02:39PM +0530, Balakrishna Godavarthi wrote:
> Redefinition of qca_uart_setup will help future Qualcomm Bluetooth
> SoC, to use the same function instead of duplicating the function.
> Added new arguments soc_type and soc_ver to the functions.
> 
> These arguments will help to decide type of firmware files
> to be loaded into Bluetooth chip.
> soc_type holds the Bluetooth chip connected to APPS processor.
> soc_ver holds the Bluetooth chip version.
> 
> Signed-off-by: Balakrishna Godavarthi 
> Reviewed-by: Matthias Kaehlcke 
> ---
>  drivers/bluetooth/btqca.c   | 20 +++-
>  drivers/bluetooth/btqca.h   | 13 +++--
>  drivers/bluetooth/hci_qca.c | 10 +-
>  3 files changed, 27 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
> index c5cf9cab438a..b556710ee1bd 100644
> --- a/drivers/bluetooth/btqca.c
> +++ b/drivers/bluetooth/btqca.c
> @@ -85,6 +85,9 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 
> *soc_version)
>  out:
>   kfree_skb(skb);
>  
> + if (err < 0 || *soc_version == 0)
> + bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

You also have to set 'err' if soc_version is 0, so the caller can skip
the check for soc_version == 0

I'd suggest:

  // directly after setting soc_version
  if (*soc_version == 0)
err = -EILSEQ; // or should it be a different error code?

  ...

  if (err)
bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

You could also limit the error log to the 'if (*soc_version == 0)'
branch, for all other errors there will already be a more specific log
entry.

> +
>   return err;
>  }

Cheers

Matthias


Re: [PATCH v10 3/7] Bluetooth: btqca: Redefine qca_uart_setup() to generic function.

2018-07-23 Thread Matthias Kaehlcke
On Fri, Jul 20, 2018 at 07:02:39PM +0530, Balakrishna Godavarthi wrote:
> Redefinition of qca_uart_setup will help future Qualcomm Bluetooth
> SoC, to use the same function instead of duplicating the function.
> Added new arguments soc_type and soc_ver to the functions.
> 
> These arguments will help to decide type of firmware files
> to be loaded into Bluetooth chip.
> soc_type holds the Bluetooth chip connected to APPS processor.
> soc_ver holds the Bluetooth chip version.
> 
> Signed-off-by: Balakrishna Godavarthi 
> Reviewed-by: Matthias Kaehlcke 
> ---
>  drivers/bluetooth/btqca.c   | 20 +++-
>  drivers/bluetooth/btqca.h   | 13 +++--
>  drivers/bluetooth/hci_qca.c | 10 +-
>  3 files changed, 27 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
> index c5cf9cab438a..b556710ee1bd 100644
> --- a/drivers/bluetooth/btqca.c
> +++ b/drivers/bluetooth/btqca.c
> @@ -85,6 +85,9 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 
> *soc_version)
>  out:
>   kfree_skb(skb);
>  
> + if (err < 0 || *soc_version == 0)
> + bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

You also have to set 'err' if soc_version is 0, so the caller can skip
the check for soc_version == 0

I'd suggest:

  // directly after setting soc_version
  if (*soc_version == 0)
err = -EILSEQ; // or should it be a different error code?

  ...

  if (err)
bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

You could also limit the error log to the 'if (*soc_version == 0)'
branch, for all other errors there will already be a more specific log
entry.

> +
>   return err;
>  }

Cheers

Matthias


[PATCH v10 3/7] Bluetooth: btqca: Redefine qca_uart_setup() to generic function.

2018-07-20 Thread Balakrishna Godavarthi
Redefinition of qca_uart_setup will help future Qualcomm Bluetooth
SoC, to use the same function instead of duplicating the function.
Added new arguments soc_type and soc_ver to the functions.

These arguments will help to decide type of firmware files
to be loaded into Bluetooth chip.
soc_type holds the Bluetooth chip connected to APPS processor.
soc_ver holds the Bluetooth chip version.

Signed-off-by: Balakrishna Godavarthi 
Reviewed-by: Matthias Kaehlcke 
---
 drivers/bluetooth/btqca.c   | 20 +++-
 drivers/bluetooth/btqca.h   | 13 +++--
 drivers/bluetooth/hci_qca.c | 10 +-
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index c5cf9cab438a..b556710ee1bd 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -85,6 +85,9 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 
*soc_version)
 out:
kfree_skb(skb);
 
+   if (err < 0 || *soc_version == 0)
+   bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
+
return err;
 }
 EXPORT_SYMBOL_GPL(qca_read_soc_version);
@@ -327,9 +330,9 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const 
bdaddr_t *bdaddr)
 }
 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
 
-int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+  enum qca_btsoc_type soc_type, u32 soc_ver)
 {
-   u32 rome_ver = 0;
struct rome_config config;
int err;
 
@@ -337,19 +340,10 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
 
config.user_baud_rate = baudrate;
 
-   /* Get QCA version information */
-   err = qca_read_soc_version(hdev, _ver);
-   if (err < 0 || rome_ver == 0) {
-   bt_dev_err(hdev, "QCA Failed to get version %d", err);
-   return err;
-   }
-
-   bt_dev_info(hdev, "QCA controller version 0x%08x", rome_ver);
-
/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin",
-rome_ver);
+soc_ver);
err = qca_download_firmware(hdev, );
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
@@ -359,7 +353,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
/* Download NVM configuration */
config.type = TLV_TYPE_NVM;
snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin",
-rome_ver);
+soc_ver);
err = qca_download_firmware(hdev, );
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index 5c9851b11838..a9c2779f3e07 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -124,10 +124,18 @@ struct tlv_type_hdr {
__u8   data[0];
 } __packed;
 
+enum qca_btsoc_type {
+   QCA_INVALID = -1,
+   QCA_AR3002,
+   QCA_ROME,
+   QCA_WCN3990
+};
+
 #if IS_ENABLED(CONFIG_BT_QCA)
 
 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
-int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate);
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+  enum qca_btsoc_type soc_type, u32 soc_ver);
 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
 
 #else
@@ -137,7 +145,8 @@ static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, 
const bdaddr_t *bdad
return -EOPNOTSUPP;
 }
 
-static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
+static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+enum qca_btsoc_type soc_type, u32 soc_ver)
 {
return -EOPNOTSUPP;
 }
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index d7b60669b656..5f1c0a8fd5cd 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -929,6 +929,7 @@ static int qca_setup(struct hci_uart *hu)
struct qca_data *qca = hu->priv;
unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200;
int ret;
+   int soc_ver = 0;
 
bt_dev_info(hdev, "ROME setup");
 
@@ -965,8 +966,15 @@ static int qca_setup(struct hci_uart *hu)
host_set_baudrate(hu, speed);
}
 
+   /* Get QCA version information */
+   ret = qca_read_soc_version(hdev, _ver);
+   if (ret)
+   return ret;
+
+   bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
+
/* Setup patch / NVM configurations */
-   ret = qca_uart_setup(hdev, qca_baudrate);
+   ret = qca_uart_setup(hdev, qca_baudrate, QCA_ROME, soc_ver);
if (!ret) {
set_bit(STATE_IN_BAND_SLEEP_ENABLED, >flags);
qca_debugfs_init(hdev);
-- 
The Qualcomm Innovation Center, Inc. is a member of the 

[PATCH v10 3/7] Bluetooth: btqca: Redefine qca_uart_setup() to generic function.

2018-07-20 Thread Balakrishna Godavarthi
Redefinition of qca_uart_setup will help future Qualcomm Bluetooth
SoC, to use the same function instead of duplicating the function.
Added new arguments soc_type and soc_ver to the functions.

These arguments will help to decide type of firmware files
to be loaded into Bluetooth chip.
soc_type holds the Bluetooth chip connected to APPS processor.
soc_ver holds the Bluetooth chip version.

Signed-off-by: Balakrishna Godavarthi 
Reviewed-by: Matthias Kaehlcke 
---
 drivers/bluetooth/btqca.c   | 20 +++-
 drivers/bluetooth/btqca.h   | 13 +++--
 drivers/bluetooth/hci_qca.c | 10 +-
 3 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index c5cf9cab438a..b556710ee1bd 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -85,6 +85,9 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 
*soc_version)
 out:
kfree_skb(skb);
 
+   if (err < 0 || *soc_version == 0)
+   bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
+
return err;
 }
 EXPORT_SYMBOL_GPL(qca_read_soc_version);
@@ -327,9 +330,9 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const 
bdaddr_t *bdaddr)
 }
 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
 
-int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+  enum qca_btsoc_type soc_type, u32 soc_ver)
 {
-   u32 rome_ver = 0;
struct rome_config config;
int err;
 
@@ -337,19 +340,10 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
 
config.user_baud_rate = baudrate;
 
-   /* Get QCA version information */
-   err = qca_read_soc_version(hdev, _ver);
-   if (err < 0 || rome_ver == 0) {
-   bt_dev_err(hdev, "QCA Failed to get version %d", err);
-   return err;
-   }
-
-   bt_dev_info(hdev, "QCA controller version 0x%08x", rome_ver);
-
/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin",
-rome_ver);
+soc_ver);
err = qca_download_firmware(hdev, );
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
@@ -359,7 +353,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
/* Download NVM configuration */
config.type = TLV_TYPE_NVM;
snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin",
-rome_ver);
+soc_ver);
err = qca_download_firmware(hdev, );
if (err < 0) {
bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index 5c9851b11838..a9c2779f3e07 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -124,10 +124,18 @@ struct tlv_type_hdr {
__u8   data[0];
 } __packed;
 
+enum qca_btsoc_type {
+   QCA_INVALID = -1,
+   QCA_AR3002,
+   QCA_ROME,
+   QCA_WCN3990
+};
+
 #if IS_ENABLED(CONFIG_BT_QCA)
 
 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr);
-int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate);
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+  enum qca_btsoc_type soc_type, u32 soc_ver);
 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
 
 #else
@@ -137,7 +145,8 @@ static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, 
const bdaddr_t *bdad
return -EOPNOTSUPP;
 }
 
-static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate)
+static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+enum qca_btsoc_type soc_type, u32 soc_ver)
 {
return -EOPNOTSUPP;
 }
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index d7b60669b656..5f1c0a8fd5cd 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -929,6 +929,7 @@ static int qca_setup(struct hci_uart *hu)
struct qca_data *qca = hu->priv;
unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200;
int ret;
+   int soc_ver = 0;
 
bt_dev_info(hdev, "ROME setup");
 
@@ -965,8 +966,15 @@ static int qca_setup(struct hci_uart *hu)
host_set_baudrate(hu, speed);
}
 
+   /* Get QCA version information */
+   ret = qca_read_soc_version(hdev, _ver);
+   if (ret)
+   return ret;
+
+   bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
+
/* Setup patch / NVM configurations */
-   ret = qca_uart_setup(hdev, qca_baudrate);
+   ret = qca_uart_setup(hdev, qca_baudrate, QCA_ROME, soc_ver);
if (!ret) {
set_bit(STATE_IN_BAND_SLEEP_ENABLED, >flags);
qca_debugfs_init(hdev);
-- 
The Qualcomm Innovation Center, Inc. is a member of the