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Diffstat (limited to 'drivers/firmware/ti_sci.h')
-rw-r--r--drivers/firmware/ti_sci.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/firmware/ti_sci.h b/drivers/firmware/ti_sci.h
index 12bf316b68df..4983827151bf 100644
--- a/drivers/firmware/ti_sci.h
+++ b/drivers/firmware/ti_sci.h
@@ -35,6 +35,13 @@
#define TI_SCI_MSG_QUERY_CLOCK_FREQ 0x010d
#define TI_SCI_MSG_GET_CLOCK_FREQ 0x010e
+/* Resource Management Requests */
+#define TI_SCI_MSG_GET_RESOURCE_RANGE 0x1500
+
+/* IRQ requests */
+#define TI_SCI_MSG_SET_IRQ 0x1000
+#define TI_SCI_MSG_FREE_IRQ 0x1001
+
/**
* struct ti_sci_msg_hdr - Generic Message Header for All messages and responses
* @type: Type of messages: One of TI_SCI_MSG* values
@@ -461,4 +468,99 @@ struct ti_sci_msg_resp_get_clock_freq {
u64 freq_hz;
} __packed;
+#define TI_SCI_IRQ_SECONDARY_HOST_INVALID 0xff
+
+/**
+ * struct ti_sci_msg_req_get_resource_range - Request to get a host's assigned
+ * range of resources.
+ * @hdr: Generic Header
+ * @type: Unique resource assignment type
+ * @subtype: Resource assignment subtype within the resource type.
+ * @secondary_host: Host processing entity to which the resources are
+ * allocated. This is required only when the destination
+ * host id id different from ti sci interface host id,
+ * else TI_SCI_IRQ_SECONDARY_HOST_INVALID can be passed.
+ *
+ * Request type is TI_SCI_MSG_GET_RESOURCE_RANGE. Responded with requested
+ * resource range which is of type TI_SCI_MSG_GET_RESOURCE_RANGE.
+ */
+struct ti_sci_msg_req_get_resource_range {
+ struct ti_sci_msg_hdr hdr;
+#define MSG_RM_RESOURCE_TYPE_MASK GENMASK(9, 0)
+#define MSG_RM_RESOURCE_SUBTYPE_MASK GENMASK(5, 0)
+ u16 type;
+ u8 subtype;
+ u8 secondary_host;
+} __packed;
+
+/**
+ * struct ti_sci_msg_resp_get_resource_range - Response to resource get range.
+ * @hdr: Generic Header
+ * @range_start: Start index of the resource range.
+ * @range_num: Number of resources in the range.
+ *
+ * Response to request TI_SCI_MSG_GET_RESOURCE_RANGE.
+ */
+struct ti_sci_msg_resp_get_resource_range {
+ struct ti_sci_msg_hdr hdr;
+ u16 range_start;
+ u16 range_num;
+} __packed;
+
+/**
+ * struct ti_sci_msg_req_manage_irq - Request to configure/release the route
+ * between the dev and the host.
+ * @hdr: Generic Header
+ * @valid_params: Bit fields defining the validity of interrupt source
+ * parameters. If a bit is not set, then corresponding
+ * field is not valid and will not be used for route set.
+ * Bit field definitions:
+ * 0 - Valid bit for @dst_id
+ * 1 - Valid bit for @dst_host_irq
+ * 2 - Valid bit for @ia_id
+ * 3 - Valid bit for @vint
+ * 4 - Valid bit for @global_event
+ * 5 - Valid bit for @vint_status_bit_index
+ * 31 - Valid bit for @secondary_host
+ * @src_id: IRQ source peripheral ID.
+ * @src_index: IRQ source index within the peripheral
+ * @dst_id: IRQ Destination ID. Based on the architecture it can be
+ * IRQ controller or host processor ID.
+ * @dst_host_irq: IRQ number of the destination host IRQ controller
+ * @ia_id: Device ID of the interrupt aggregator in which the
+ * vint resides.
+ * @vint: Virtual interrupt number if the interrupt route
+ * is through an interrupt aggregator.
+ * @global_event: Global event that is to be mapped to interrupt
+ * aggregator virtual interrupt status bit.
+ * @vint_status_bit: Virtual interrupt status bit if the interrupt route
+ * utilizes an interrupt aggregator status bit.
+ * @secondary_host: Host ID of the IRQ destination computing entity. This is
+ * required only when destination host id is different
+ * from ti sci interface host id.
+ *
+ * Request type is TI_SCI_MSG_SET/RELEASE_IRQ.
+ * Response is generic ACK / NACK message.
+ */
+struct ti_sci_msg_req_manage_irq {
+ struct ti_sci_msg_hdr hdr;
+#define MSG_FLAG_DST_ID_VALID TI_SCI_MSG_FLAG(0)
+#define MSG_FLAG_DST_HOST_IRQ_VALID TI_SCI_MSG_FLAG(1)
+#define MSG_FLAG_IA_ID_VALID TI_SCI_MSG_FLAG(2)
+#define MSG_FLAG_VINT_VALID TI_SCI_MSG_FLAG(3)
+#define MSG_FLAG_GLB_EVNT_VALID TI_SCI_MSG_FLAG(4)
+#define MSG_FLAG_VINT_STS_BIT_VALID TI_SCI_MSG_FLAG(5)
+#define MSG_FLAG_SHOST_VALID TI_SCI_MSG_FLAG(31)
+ u32 valid_params;
+ u16 src_id;
+ u16 src_index;
+ u16 dst_id;
+ u16 dst_host_irq;
+ u16 ia_id;
+ u16 vint;
+ u16 global_event;
+ u8 vint_status_bit;
+ u8 secondary_host;
+} __packed;
+
#endif /* __TI_SCI_H */