// SPDX-License-Identifier: GPL-2.0
/*
* Texas Instruments System Control Interface Protocol
*
* Copyright ( C ) 2015 - 2016 Texas Instruments Incorporated - https : //www.ti.com/
* Nishanth Menon
*/
#ifndef __TISCI_PROTOCOL_H
#define __TISCI_PROTOCOL_H
/**
* struct ti_sci_version_info - version information structure
* @ abi_major : Major ABI version . Change here implies risk of backward
* compatibility break .
* @ abi_minor : Minor ABI version . Change here implies new feature addition ,
* or compatible change in ABI .
* @ firmware_revision : Firmware revision ( not usually used ) .
* @ firmware_description : Firmware description ( not usually used ) .
*/
struct ti_sci_version_info {
u8 abi_major;
u8 abi_minor;
u16 firmware_revision;
char firmware_description[32 ];
};
struct ti_sci_handle;
/**
* struct ti_sci_core_ops - SoC Core Operations
* @ reboot_device : Reboot the SoC
* Returns 0 for successful request ( ideally should never return ) ,
* else returns corresponding error value .
*/
struct ti_sci_core_ops {
int (*reboot_device)(const struct ti_sci_handle *handle);
};
/**
* struct ti_sci_dev_ops - Device control operations
* @ get_device : Command to request for device managed by TISCI
* Returns 0 for successful exclusive request , else returns
* corresponding error message .
* @ idle_device : Command to idle a device managed by TISCI
* Returns 0 for successful exclusive request , else returns
* corresponding error message .
* @ put_device : Command to release a device managed by TISCI
* Returns 0 for successful release , else returns corresponding
* error message .
* @ is_valid : Check if the device ID is a valid ID .
* Returns 0 if the ID is valid , else returns corresponding error .
* @ get_context_loss_count : Command to retrieve context loss counter - this
* increments every time the device looses context . Overflow
* is possible .
* - count : pointer to u32 which will retrieve counter
* Returns 0 for successful information request and count has
* proper data , else returns corresponding error message .
* @ is_idle : Reports back about device idle state
* - req_state : Returns requested idle state
* Returns 0 for successful information request and req_state and
* current_state has proper data , else returns corresponding error
* message .
* @ is_stop : Reports back about device stop state
* - req_state : Returns requested stop state
* - current_state : Returns current stop state
* Returns 0 for successful information request and req_state and
* current_state has proper data , else returns corresponding error
* message .
* @ is_on : Reports back about device ON ( or active ) state
* - req_state : Returns requested ON state
* - current_state : Returns current ON state
* Returns 0 for successful information request and req_state and
* current_state has proper data , else returns corresponding error
* message .
* @ is_transitioning : Reports back if the device is in the middle of transition
* of state .
* - current_state : Returns ' true ' if currently transitioning .
* @ set_device_resets : Command to configure resets for device managed by TISCI .
* - reset_state : Device specific reset bit field
* Returns 0 for successful request , else returns
* corresponding error message .
* @ get_device_resets : Command to read state of resets for device managed
* by TISCI .
* - reset_state : pointer to u32 which will retrieve resets
* Returns 0 for successful request , else returns
* corresponding error message .
*
* NOTE : for all these functions , the following parameters are generic in
* nature :
* - handle : Pointer to TISCI handle as retrieved by * ti_sci_get_handle
* - id : Device Identifier
*
* Request for the device - NOTE : the client MUST maintain integrity of
* usage count by balancing get_device with put_device . No refcounting is
* managed by driver for that purpose .
*/
struct ti_sci_dev_ops {
int (*get_device)(const struct ti_sci_handle *handle, u32 id);
int (*get_device_exclusive)(const struct ti_sci_handle *handle, u32 id);
int (*idle_device)(const struct ti_sci_handle *handle, u32 id);
int (*idle_device_exclusive)(const struct ti_sci_handle *handle,
u32 id);
int (*put_device)(const struct ti_sci_handle *handle, u32 id);
int (*is_valid)(const struct ti_sci_handle *handle, u32 id);
int (*get_context_loss_count)(const struct ti_sci_handle *handle,
u32 id, u32 *count);
int (*is_idle)(const struct ti_sci_handle *handle, u32 id,
bool *requested_state);
int (*is_stop)(const struct ti_sci_handle *handle, u32 id,
bool *req_state, bool *current_state);
int (*is_on)(const struct ti_sci_handle *handle, u32 id,
bool *req_state, bool *current_state);
int (*is_transitioning)(const struct ti_sci_handle *handle, u32 id,
bool *current_state);
int (*set_device_resets)(const struct ti_sci_handle *handle, u32 id,
u32 reset_state);
int (*get_device_resets)(const struct ti_sci_handle *handle, u32 id,
u32 *reset_state);
};
/**
* struct ti_sci_clk_ops - Clock control operations
* @ get_clock : Request for activation of clock and manage by processor
* - needs_ssc : ' true ' if Spread Spectrum clock is desired .
* - can_change_freq : ' true ' if frequency change is desired .
* - enable_input_term : ' true ' if input termination is desired .
* @ idle_clock : Request for Idling a clock managed by processor
* @ put_clock : Release the clock to be auto managed by TISCI
* @ is_auto : Is the clock being auto managed
* - req_state : state indicating if the clock is auto managed
* @ is_on : Is the clock ON
* - req_state : if the clock is requested to be forced ON
* - current_state : if the clock is currently ON
* @ is_off : Is the clock OFF
* - req_state : if the clock is requested to be forced OFF
* - current_state : if the clock is currently Gated
* @ set_parent : Set the clock source of a specific device clock
* - parent_id : Parent clock identifier to set .
* @ get_parent : Get the current clock source of a specific device clock
* - parent_id : Parent clock identifier which is the parent .
* @ get_num_parents : Get the number of parents of the current clock source
* - num_parents : returns the number of parent clocks .
* @ get_best_match_freq : Find a best matching frequency for a frequency
* range .
* - match_freq : Best matching frequency in Hz .
* @ set_freq : Set the Clock frequency
* @ get_freq : Get the Clock frequency
* - current_freq : Frequency in Hz that the clock is at .
*
* NOTE : for all these functions , the following parameters are generic in
* nature :
* - handle : Pointer to TISCI handle as retrieved by * ti_sci_get_handle
* - did : Device identifier this request is for
* - cid : Clock identifier for the device for this request .
* Each device has it ' s own set of clock inputs . This indexes
* which clock input to modify .
* - min_freq : The minimum allowable frequency in Hz . This is the minimum
* allowable programmed frequency and does not account for clock
* tolerances and jitter .
* - target_freq : The target clock frequency in Hz . A frequency will be
* processed as close to this target frequency as possible .
* - max_freq : The maximum allowable frequency in Hz . This is the maximum
* allowable programmed frequency and does not account for clock
* tolerances and jitter .
*
* Request for the clock - NOTE : the client MUST maintain integrity of
* usage count by balancing get_clock with put_clock . No refcounting is
* managed by driver for that purpose .
*/
struct ti_sci_clk_ops {
int (*get_clock)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool needs_ssc, bool can_change_freq,
bool enable_input_term);
int (*idle_clock)(const struct ti_sci_handle *handle, u32 did, u32 cid);
int (*put_clock)(const struct ti_sci_handle *handle, u32 did, u32 cid);
int (*is_auto)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool *req_state);
int (*is_on)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool *req_state, bool *current_state);
int (*is_off)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool *req_state, bool *current_state);
int (*set_parent)(const struct ti_sci_handle *handle, u32 did, u32 cid,
u32 parent_id);
int (*get_parent)(const struct ti_sci_handle *handle, u32 did, u32 cid,
u32 *parent_id);
int (*get_num_parents)(const struct ti_sci_handle *handle, u32 did,
u32 cid, u32 *num_parents);
int (*get_best_match_freq)(const struct ti_sci_handle *handle, u32 did,
u32 cid, u64 min_freq, u64 target_freq,
u64 max_freq, u64 *match_freq);
int (*set_freq)(const struct ti_sci_handle *handle, u32 did, u32 cid,
u64 min_freq, u64 target_freq, u64 max_freq);
int (*get_freq)(const struct ti_sci_handle *handle, u32 did, u32 cid,
u64 *current_freq);
};
/* TISCI LPM IO isolation control values */
#define TISCI_MSG_VALUE_IO_ENABLE 1
#define TISCI_MSG_VALUE_IO_DISABLE 0
/* TISCI LPM constraint state values */
#define TISCI_MSG_CONSTRAINT_SET 1
#define TISCI_MSG_CONSTRAINT_CLR 0
/**
* struct ti_sci_pm_ops - Low Power Mode ( LPM ) control operations
* @ lpm_wake_reason : Get the wake up source that woke the SoC from LPM
* - source : The wake up source that woke soc from LPM .
* - timestamp : Timestamp at which soc woke .
* @ set_device_constraint : Set LPM constraint on behalf of a device
* - id : Device Identifier
* - state : The desired state of device constraint : set or clear .
* @ set_latency_constraint : Set LPM resume latency constraint
* - latency : maximum acceptable latency to wake up from low power mode
* - state : The desired state of latency constraint : set or clear .
*/
struct ti_sci_pm_ops {
int (*lpm_wake_reason)(const struct ti_sci_handle *handle,
u32 *source, u64 *timestamp, u8 *pin, u8 *mode);
int (*set_device_constraint)(const struct ti_sci_handle *handle,
u32 id, u8 state);
int (*set_latency_constraint)(const struct ti_sci_handle *handle,
u16 latency, u8 state);
};
/**
* struct ti_sci_resource_desc - Description of TI SCI resource instance range .
* @ start : Start index of the first resource range .
* @ num : Number of resources in the first range .
* @ start_sec : Start index of the second resource range .
* @ num_sec : Number of resources in the second range .
* @ res_map : Bitmap to manage the allocation of these resources .
*/
struct ti_sci_resource_desc {
u16 start;
u16 num;
u16 start_sec;
u16 num_sec;
unsigned long *res_map;
};
/**
* struct ti_sci_rm_core_ops - Resource management core operations
* @ get_range : Get a range of resources belonging to ti sci host .
* @ get_rage_from_shost : Get a range of resources belonging to
* specified host id .
* - s_host : Host processing entity to which the
* resources are allocated
*
* NOTE : for these functions , all the parameters are consolidated and defined
* as below :
* - handle : Pointer to TISCI handle as retrieved by * ti_sci_get_handle
* - dev_id : TISCI device ID .
* - subtype : Resource assignment subtype that is being requested
* from the given device .
* - desc : Pointer to ti_sci_resource_desc to be updated with the resource
* range start index and number of resources
*/
struct ti_sci_rm_core_ops {
int (*get_range)(const struct ti_sci_handle *handle, u32 dev_id,
u8 subtype, struct ti_sci_resource_desc *desc);
int (*get_range_from_shost)(const struct ti_sci_handle *handle,
u32 dev_id, u8 subtype, u8 s_host,
struct ti_sci_resource_desc *desc);
};
#define TI_SCI_RESASG_SUBTYPE_IR_OUTPUT 0
#define TI_SCI_RESASG_SUBTYPE_IA_VINT 0 xa
#define TI_SCI_RESASG_SUBTYPE_GLOBAL_EVENT_SEVT 0 xd
/**
* struct ti_sci_rm_irq_ops : IRQ management operations
* @ set_irq : Set an IRQ route between the requested source
* and destination
* @ set_event_map : Set an Event based peripheral irq to Interrupt
* Aggregator .
* @ free_irq : Free an IRQ route between the requested source
* and destination .
* @ free_event_map : Free an event based peripheral irq to Interrupt
* Aggregator .
*/
struct ti_sci_rm_irq_ops {
int (*set_irq)(const struct ti_sci_handle *handle, u16 src_id,
u16 src_index, u16 dst_id, u16 dst_host_irq);
int (*set_event_map)(const struct ti_sci_handle *handle, u16 src_id,
u16 src_index, u16 ia_id, u16 vint,
u16 global_event, u8 vint_status_bit);
int (*free_irq)(const struct ti_sci_handle *handle, u16 src_id,
u16 src_index, u16 dst_id, u16 dst_host_irq);
int (*free_event_map)(const struct ti_sci_handle *handle, u16 src_id,
u16 src_index, u16 ia_id, u16 vint,
u16 global_event, u8 vint_status_bit);
};
/* RA config.addr_lo parameter is valid for RM ring configure TI_SCI message */
#define TI_SCI_MSG_VALUE_RM_RING_ADDR_LO_VALID BIT(0 )
/* RA config.addr_hi parameter is valid for RM ring configure TI_SCI message */
#define TI_SCI_MSG_VALUE_RM_RING_ADDR_HI_VALID BIT(1 )
/* RA config.count parameter is valid for RM ring configure TI_SCI message */
#define TI_SCI_MSG_VALUE_RM_RING_COUNT_VALID BIT(2 )
/* RA config.mode parameter is valid for RM ring configure TI_SCI message */
#define TI_SCI_MSG_VALUE_RM_RING_MODE_VALID BIT(3 )
/* RA config.size parameter is valid for RM ring configure TI_SCI message */
#define TI_SCI_MSG_VALUE_RM_RING_SIZE_VALID BIT(4 )
/* RA config.order_id parameter is valid for RM ring configure TISCI message */
#define TI_SCI_MSG_VALUE_RM_RING_ORDER_ID_VALID BIT(5 )
/* RA config.virtid parameter is valid for RM ring configure TISCI message */
#define TI_SCI_MSG_VALUE_RM_RING_VIRTID_VALID BIT(6 )
/* RA config.asel parameter is valid for RM ring configure TISCI message */
#define TI_SCI_MSG_VALUE_RM_RING_ASEL_VALID BIT(7 )
#define TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER \
(TI_SCI_MSG_VALUE_RM_RING_ADDR_LO_VALID | \
TI_SCI_MSG_VALUE_RM_RING_ADDR_HI_VALID | \
TI_SCI_MSG_VALUE_RM_RING_COUNT_VALID | \
TI_SCI_MSG_VALUE_RM_RING_MODE_VALID | \
TI_SCI_MSG_VALUE_RM_RING_SIZE_VALID | \
TI_SCI_MSG_VALUE_RM_RING_ASEL_VALID)
/**
* struct ti_sci_msg_rm_ring_cfg - Ring configuration
*
* Parameters for Navigator Subsystem ring configuration
* See @ ti_sci_msg_rm_ring_cfg_req
*/
struct ti_sci_msg_rm_ring_cfg {
u32 valid_params;
u16 nav_id;
u16 index;
u32 addr_lo;
u32 addr_hi;
u32 count;
u8 mode;
u8 size;
u8 order_id;
u16 virtid;
u8 asel;
};
/**
* struct ti_sci_rm_ringacc_ops - Ring Accelerator Management operations
* @ set_cfg : configure the SoC Navigator Subsystem Ring Accelerator ring
*/
struct ti_sci_rm_ringacc_ops {
int (*set_cfg)(const struct ti_sci_handle *handle,
const struct ti_sci_msg_rm_ring_cfg *params);
};
/**
* struct ti_sci_rm_psil_ops - PSI - L thread operations
* @ pair : pair PSI - L source thread to a destination thread .
* If the src_thread is mapped to UDMA tchan , the corresponding channel ' s
* TCHAN_THRD_ID register is updated .
* If the dst_thread is mapped to UDMA rchan , the corresponding channel ' s
* RCHAN_THRD_ID register is updated .
* @ unpair : unpair PSI - L source thread from a destination thread .
* If the src_thread is mapped to UDMA tchan , the corresponding channel ' s
* TCHAN_THRD_ID register is cleared .
* If the dst_thread is mapped to UDMA rchan , the corresponding channel ' s
* RCHAN_THRD_ID register is cleared .
*/
struct ti_sci_rm_psil_ops {
int (*pair)(const struct ti_sci_handle *handle, u32 nav_id,
u32 src_thread, u32 dst_thread);
int (*unpair)(const struct ti_sci_handle *handle, u32 nav_id,
u32 src_thread, u32 dst_thread);
};
/* UDMAP channel types */
#define TI_SCI_RM_UDMAP_CHAN_TYPE_PKT_PBRR 2
#define TI_SCI_RM_UDMAP_CHAN_TYPE_PKT_PBRR_SB 3 /* RX only */
#define TI_SCI_RM_UDMAP_CHAN_TYPE_3RDP_PBRR 10
#define TI_SCI_RM_UDMAP_CHAN_TYPE_3RDP_PBVR 11
#define TI_SCI_RM_UDMAP_CHAN_TYPE_3RDP_BCOPY_PBRR 12
#define TI_SCI_RM_UDMAP_CHAN_TYPE_3RDP_BCOPY_PBVR 13
#define TI_SCI_RM_UDMAP_RX_FLOW_DESC_HOST 0
#define TI_SCI_RM_UDMAP_RX_FLOW_DESC_MONO 2
#define TI_SCI_RM_UDMAP_CHAN_BURST_SIZE_64_BYTES 1
#define TI_SCI_RM_UDMAP_CHAN_BURST_SIZE_128_BYTES 2
#define TI_SCI_RM_UDMAP_CHAN_BURST_SIZE_256_BYTES 3
#define TI_SCI_RM_BCDMA_EXTENDED_CH_TYPE_TCHAN 0
#define TI_SCI_RM_BCDMA_EXTENDED_CH_TYPE_BCHAN 1
/* UDMAP TX/RX channel valid_params common declarations */
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_PAUSE_ON_ERR_VALID BIT(0 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_ATYPE_VALID BIT(1 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_CHAN_TYPE_VALID BIT(2 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_FETCH_SIZE_VALID BIT(3 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_CQ_QNUM_VALID BIT(4 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_PRIORITY_VALID BIT(5 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_QOS_VALID BIT(6 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_ORDER_ID_VALID BIT(7 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_SCHED_PRIORITY_VALID BIT(8 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_BURST_SIZE_VALID BIT(14 )
/**
* Configures a Navigator Subsystem UDMAP transmit channel
*
* Configures a Navigator Subsystem UDMAP transmit channel registers .
* See @ ti_sci_msg_rm_udmap_tx_ch_cfg_req
*/
struct ti_sci_msg_rm_udmap_tx_ch_cfg {
u32 valid_params;
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_FILT_EINFO_VALID BIT(9 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_FILT_PSWORDS_VALID BIT(10 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_SUPR_TDPKT_VALID BIT(11 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_CREDIT_COUNT_VALID BIT(12 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_FDEPTH_VALID BIT(13 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_TDTYPE_VALID BIT(15 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_EXTENDED_CH_TYPE_VALID BIT(16 )
u16 nav_id;
u16 index;
u8 tx_pause_on_err;
u8 tx_filt_einfo;
u8 tx_filt_pswords;
u8 tx_atype;
u8 tx_chan_type;
u8 tx_supr_tdpkt;
u16 tx_fetch_size;
u8 tx_credit_count;
u16 txcq_qnum;
u8 tx_priority;
u8 tx_qos;
u8 tx_orderid;
u16 fdepth;
u8 tx_sched_priority;
u8 tx_burst_size;
u8 tx_tdtype;
u8 extended_ch_type;
};
/**
* Configures a Navigator Subsystem UDMAP receive channel
*
* Configures a Navigator Subsystem UDMAP receive channel registers .
* See @ ti_sci_msg_rm_udmap_rx_ch_cfg_req
*/
struct ti_sci_msg_rm_udmap_rx_ch_cfg {
u32 valid_params;
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_FLOWID_START_VALID BIT(9 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_FLOWID_CNT_VALID BIT(10 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_IGNORE_SHORT_VALID BIT(11 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_IGNORE_LONG_VALID BIT(12 )
u16 nav_id;
u16 index;
u16 rx_fetch_size;
u16 rxcq_qnum;
u8 rx_priority;
u8 rx_qos;
u8 rx_orderid;
u8 rx_sched_priority;
u16 flowid_start;
u16 flowid_cnt;
u8 rx_pause_on_err;
u8 rx_atype;
u8 rx_chan_type;
u8 rx_ignore_short;
u8 rx_ignore_long;
u8 rx_burst_size;
};
/**
* Configures a Navigator Subsystem UDMAP receive flow
*
* Configures a Navigator Subsystem UDMAP receive flow ' s registers .
* See @ tis_ci_msg_rm_udmap_flow_cfg_req
*/
struct ti_sci_msg_rm_udmap_flow_cfg {
u32 valid_params;
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_EINFO_PRESENT_VALID BIT(0 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_PSINFO_PRESENT_VALID BIT(1 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_ERROR_HANDLING_VALID BIT(2 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_DESC_TYPE_VALID BIT(3 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_SOP_OFFSET_VALID BIT(4 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_DEST_QNUM_VALID BIT(5 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_SRC_TAG_HI_VALID BIT(6 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_SRC_TAG_LO_VALID BIT(7 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_DEST_TAG_HI_VALID BIT(8 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_DEST_TAG_LO_VALID BIT(9 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_SRC_TAG_HI_SEL_VALID BIT(10 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_SRC_TAG_LO_SEL_VALID BIT(11 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_DEST_TAG_HI_SEL_VALID BIT(12 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_DEST_TAG_LO_SEL_VALID BIT(13 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_FDQ0_SZ0_QNUM_VALID BIT(14 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_FDQ1_QNUM_VALID BIT(15 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_FDQ2_QNUM_VALID BIT(16 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_FDQ3_QNUM_VALID BIT(17 )
#define TI_SCI_MSG_VALUE_RM_UDMAP_FLOW_PS_LOCATION_VALID BIT(18 )
u16 nav_id;
u16 flow_index;
u8 rx_einfo_present;
u8 rx_psinfo_present;
u8 rx_error_handling;
u8 rx_desc_type;
u16 rx_sop_offset;
u16 rx_dest_qnum;
u8 rx_src_tag_hi;
u8 rx_src_tag_lo;
u8 rx_dest_tag_hi;
u8 rx_dest_tag_lo;
u8 rx_src_tag_hi_sel;
u8 rx_src_tag_lo_sel;
u8 rx_dest_tag_hi_sel;
u8 rx_dest_tag_lo_sel;
u16 rx_fdq0_sz0_qnum;
u16 rx_fdq1_qnum;
u16 rx_fdq2_qnum;
u16 rx_fdq3_qnum;
u8 rx_ps_location;
};
/**
* struct ti_sci_rm_udmap_ops - UDMA Management operations
* @ tx_ch_cfg : configure SoC Navigator Subsystem UDMA transmit channel .
* @ rx_ch_cfg : configure SoC Navigator Subsystem UDMA receive channel .
* @ rx_flow_cfg1 : configure SoC Navigator Subsystem UDMA receive flow .
*/
struct ti_sci_rm_udmap_ops {
int (*tx_ch_cfg)(const struct ti_sci_handle *handle,
const struct ti_sci_msg_rm_udmap_tx_ch_cfg *params);
int (*rx_ch_cfg)(const struct ti_sci_handle *handle,
const struct ti_sci_msg_rm_udmap_rx_ch_cfg *params);
int (*rx_flow_cfg)(const struct ti_sci_handle *handle,
const struct ti_sci_msg_rm_udmap_flow_cfg *params);
};
/**
* struct ti_sci_proc_ops - Processor Control operations
* @ request : Request to control a physical processor . The requesting host
* should be in the processor access list
* @ release : Relinquish a physical processor control
* @ handover : Handover a physical processor control to another host
* in the permitted list
* @ set_config : Set base configuration of a processor
* @ set_control : Setup limited control flags in specific cases
* @ get_status : Get the state of physical processor
*
* NOTE : The following paramteres are generic in nature for all these ops ,
* - handle : Pointer to TI SCI handle as retrieved by * ti_sci_get_handle
* - pid : Processor ID
* - hid : Host ID
*/
struct ti_sci_proc_ops {
int (*request)(const struct ti_sci_handle *handle, u8 pid);
int (*release)(const struct ti_sci_handle *handle, u8 pid);
int (*handover)(const struct ti_sci_handle *handle, u8 pid, u8 hid);
int (*set_config)(const struct ti_sci_handle *handle, u8 pid,
u64 boot_vector, u32 cfg_set, u32 cfg_clr);
int (*set_control)(const struct ti_sci_handle *handle, u8 pid,
u32 ctrl_set, u32 ctrl_clr);
int (*get_status)(const struct ti_sci_handle *handle, u8 pid,
u64 *boot_vector, u32 *cfg_flags, u32 *ctrl_flags,
u32 *status_flags);
};
/**
* struct ti_sci_ops - Function support for TI SCI
* @ dev_ops : Device specific operations
* @ clk_ops : Clock specific operations
* @ rm_core_ops : Resource management core operations .
* @ rm_irq_ops : IRQ management specific operations
* @ proc_ops : Processor Control specific operations
*/
struct ti_sci_ops {
struct ti_sci_core_ops core_ops;
struct ti_sci_dev_ops dev_ops;
struct ti_sci_clk_ops clk_ops;
struct ti_sci_pm_ops pm_ops;
struct ti_sci_rm_core_ops rm_core_ops;
struct ti_sci_rm_irq_ops rm_irq_ops;
struct ti_sci_rm_ringacc_ops rm_ring_ops;
struct ti_sci_rm_psil_ops rm_psil_ops;
struct ti_sci_rm_udmap_ops rm_udmap_ops;
struct ti_sci_proc_ops proc_ops;
};
/**
* struct ti_sci_handle - Handle returned to TI SCI clients for usage .
* @ version : structure containing version information
* @ ops : operations that are made available to TI SCI clients
*/
struct ti_sci_handle {
struct ti_sci_version_info version;
struct ti_sci_ops ops;
};
#define TI_SCI_RESOURCE_NULL 0 xffff
/**
* struct ti_sci_resource - Structure representing a resource assigned
* to a device .
* @ sets : Number of sets available from this resource type
* @ lock : Lock to guard the res map in each set .
* @ desc : Array of resource descriptors .
*/
struct ti_sci_resource {
u16 sets;
raw_spinlock_t lock;
struct ti_sci_resource_desc *desc;
};
#if IS_ENABLED(CONFIG_TI_SCI_PROTOCOL)
const struct ti_sci_handle *ti_sci_get_handle(struct device *dev);
int ti_sci_put_handle(const struct ti_sci_handle *handle);
const struct ti_sci_handle *devm_ti_sci_get_handle(struct device *dev);
const struct ti_sci_handle *ti_sci_get_by_phandle(struct device_node *np,
const char *property);
const struct ti_sci_handle *devm_ti_sci_get_by_phandle(struct device *dev,
const char *property);
u16 ti_sci_get_free_resource(struct ti_sci_resource *res);
void ti_sci_release_resource(struct ti_sci_resource *res, u16 id);
u32 ti_sci_get_num_resources(struct ti_sci_resource *res);
struct ti_sci_resource *
devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
struct device *dev, u32 dev_id, char *of_prop);
struct ti_sci_resource *
devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev,
u32 dev_id, u32 sub_type);
#else /* CONFIG_TI_SCI_PROTOCOL */
static inline const struct ti_sci_handle *ti_sci_get_handle(struct device *dev)
{
return ERR_PTR(-EINVAL);
}
static inline int ti_sci_put_handle(const struct ti_sci_handle *handle)
{
return -EINVAL;
}
static inline
const struct ti_sci_handle *devm_ti_sci_get_handle(struct device *dev)
{
return ERR_PTR(-EINVAL);
}
static inline
const struct ti_sci_handle *ti_sci_get_by_phandle(struct device_node *np,
const char *property)
{
return ERR_PTR(-EINVAL);
}
static inline
const struct ti_sci_handle *devm_ti_sci_get_by_phandle(struct device *dev,
const char *property)
{
return ERR_PTR(-EINVAL);
}
static inline u16 ti_sci_get_free_resource(struct ti_sci_resource *res)
{
return TI_SCI_RESOURCE_NULL;
}
static inline void ti_sci_release_resource(struct ti_sci_resource *res, u16 id)
{
}
static inline u32 ti_sci_get_num_resources(struct ti_sci_resource *res)
{
return 0 ;
}
static inline struct ti_sci_resource *
devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
struct device *dev, u32 dev_id, char *of_prop)
{
return ERR_PTR(-EINVAL);
}
static inline struct ti_sci_resource *
devm_ti_sci_get_resource(const struct ti_sci_handle *handle, struct device *dev,
u32 dev_id, u32 sub_type)
{
return ERR_PTR(-EINVAL);
}
#endif /* CONFIG_TI_SCI_PROTOCOL */
#endif /* __TISCI_PROTOCOL_H */
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(vorverarbeitet am 2026-09-27)
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