diff mbox

[v4,2/7] typec: tcpm: Add ADO header for Alert message handling

Message ID 00dbaa0d4c1033166a55278ce8c24ffa2711d7bb.1514904982.git.Adam.Thomson.Opensource@diasemi.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Adam Thomson Jan. 2, 2018, 3:50 p.m. UTC 
This commit adds a header providing definitions for handling Alert
messages. Currently the header only focuses on handling incoming
alerts.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
---
 include/linux/usb/pd_ado.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 include/linux/usb/pd_ado.h

Comments

Heikki Krogerus Jan. 30, 2018, 12:22 p.m. UTC | #1 
On Tue, Jan 02, 2018 at 03:50:50PM +0000, Adam Thomson wrote:
> This commit adds a header providing definitions for handling Alert
> messages. Currently the header only focuses on handling incoming
> alerts.
> 
> Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>


Thanks,
diff mbox

Patch

diff --git a/include/linux/usb/pd_ado.h b/include/linux/usb/pd_ado.h
new file mode 100644
index 0000000..9aa1cf3
--- /dev/null
+++ b/include/linux/usb/pd_ado.h
@@ -0,0 +1,42 @@ 
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2017 Dialog Semiconductor
+ *
+ * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
+ */
+
+#ifndef __LINUX_USB_PD_ADO_H
+#define __LINUX_USB_PD_ADO_H
+
+/* ADO : Alert Data Object */
+#define USB_PD_ADO_TYPE_SHIFT			24
+#define USB_PD_ADO_TYPE_MASK			0xff
+#define USB_PD_ADO_FIXED_BATT_SHIFT		20
+#define USB_PD_ADO_FIXED_BATT_MASK		0xf
+#define USB_PD_ADO_HOT_SWAP_BATT_SHIFT		16
+#define USB_PD_ADO_HOT_SWAP_BATT_MASK		0xf
+
+#define USB_PD_ADO_TYPE_BATT_STATUS_CHANGE	BIT(1)
+#define USB_PD_ADO_TYPE_OCP			BIT(2)
+#define USB_PD_ADO_TYPE_OTP			BIT(3)
+#define USB_PD_ADO_TYPE_OP_COND_CHANGE		BIT(4)
+#define USB_PD_ADO_TYPE_SRC_INPUT_CHANGE	BIT(5)
+#define USB_PD_ADO_TYPE_OVP			BIT(6)
+
+static inline unsigned int usb_pd_ado_type(u32 ado)
+{
+	return (ado >> USB_PD_ADO_TYPE_SHIFT) & USB_PD_ADO_TYPE_MASK;
+}
+
+static inline unsigned int usb_pd_ado_fixed_batt(u32 ado)
+{
+	return (ado >> USB_PD_ADO_FIXED_BATT_SHIFT) &
+	       USB_PD_ADO_FIXED_BATT_MASK;
+}
+
+static inline unsigned int usb_pd_ado_hot_swap_batt(u32 ado)
+{
+	return (ado >> USB_PD_ADO_HOT_SWAP_BATT_SHIFT) &
+	       USB_PD_ADO_HOT_SWAP_BATT_MASK;
+}
+#endif /* __LINUX_USB_PD_ADO_H */