diff options
Diffstat (limited to 'drivers/net/ipa/ipa_data.h')
| -rw-r--r-- | drivers/net/ipa/ipa_data.h | 131 |
1 files changed, 67 insertions, 64 deletions
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h index b476fc373f7f..5c4c8d72d7d8 100644 --- a/drivers/net/ipa/ipa_data.h +++ b/drivers/net/ipa/ipa_data.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2020 Linaro Ltd. + * Copyright (C) 2019-2021 Linaro Ltd. */ #ifndef _IPA_DATA_H_ #define _IPA_DATA_H_ @@ -18,8 +18,9 @@ * Boot-time configuration data is used to define the configuration of the * IPA and GSI resources to use for a given platform. This data is supplied * via the Device Tree match table, associated with a particular compatible - * string. The data defines information about resources, endpoints, and - * channels. + * string. The data defines information about how resources, endpoints and + * channels, memory, clocking and so on are allocated and used for the + * platform. * * Resources are data structures used internally by the IPA hardware. The * configuration data defines the number (or limits of the number) of various @@ -45,9 +46,26 @@ * the IPA endpoint. */ -/* The maximum value returned by ipa_resource_group_{src,dst}_count() */ -#define IPA_RESOURCE_GROUP_SRC_MAX 5 -#define IPA_RESOURCE_GROUP_DST_MAX 5 +/* The maximum possible number of source or destination resource groups */ +#define IPA_RESOURCE_GROUP_MAX 8 + +/** enum ipa_qsb_master_id - array index for IPA QSB configuration data */ +enum ipa_qsb_master_id { + IPA_QSB_MASTER_DDR, + IPA_QSB_MASTER_PCIE, +}; + +/** + * struct ipa_qsb_data - Qualcomm System Bus configuration data + * @max_writes: Maximum outstanding write requests for this master + * @max_reads: Maximum outstanding read requests for this master + * @max_reads_beats: Max outstanding read bytes in 8-byte "beats" (if non-zero) + */ +struct ipa_qsb_data { + u8 max_writes; + u8 max_reads; + u8 max_reads_beats; /* Not present for IPA v3.5.1 */ +}; /** * struct gsi_channel_data - GSI channel configuration data @@ -57,10 +75,10 @@ * * A GSI channel is a unidirectional means of transferring data to or * from (and through) the IPA. A GSI channel has a ring buffer made - * up of "transfer elements" (TREs) that specify individual data transfers - * or IPA immediate commands. TREs are filled by the AP, and control - * is passed to IPA hardware by writing the last written element - * into a doorbell register. + * up of "transfer ring elements" (TREs) that specify individual data + * transfers or IPA immediate commands. TREs are filled by the AP, + * and control is passed to IPA hardware by writing the last written + * element into a doorbell register. * * When data transfer commands have completed the GSI generates an * event (a structure of data) and optionally signals the AP with @@ -72,19 +90,23 @@ * that can be included in a single transaction. */ struct gsi_channel_data { - u16 tre_count; - u16 event_count; + u16 tre_count; /* must be a power of 2 */ + u16 event_count; /* must be a power of 2 */ u8 tlv_count; }; /** * struct ipa_endpoint_tx_data - configuration data for TX endpoints + * @seq_type: primary packet processing sequencer type + * @seq_rep_type: sequencer type for replication processing * @status_endpoint: endpoint to which status elements are sent * * The @status_endpoint is only valid if the endpoint's @status_enable * flag is set. */ struct ipa_endpoint_tx_data { + enum ipa_seq_type seq_type; + enum ipa_seq_rep_type seq_rep_type; enum ipa_endpoint_name status_endpoint; }; @@ -136,7 +158,6 @@ struct ipa_endpoint_config_data { /** * struct ipa_endpoint_data - IPA endpoint configuration data * @filter_support: whether endpoint supports filtering - * @seq_type: hardware sequencer type used for endpoint * @config: hardware configuration (see above) * * Not all endpoints support the IPA filtering capability. A filter table @@ -146,25 +167,21 @@ struct ipa_endpoint_config_data { * in the system, and indicate whether they support filtering. * * The remaining endpoint configuration data applies only to AP endpoints. - * The IPA hardware is implemented by sequencers, and the AP must program - * the type(s) of these sequencers at initialization time. The remaining - * endpoint configuration data is defined above. */ struct ipa_endpoint_data { bool filter_support; - /* The next two are specified only for AP endpoints */ - enum ipa_seq_type seq_type; + /* Everything else is specified only for AP endpoints */ struct ipa_endpoint_config_data config; }; /** * struct ipa_gsi_endpoint_data - GSI channel/IPA endpoint data - * ee: GSI execution environment ID - * channel_id: GSI channel ID - * endpoint_id: IPA endpoint ID - * toward_ipa: direction of data transfer - * gsi: GSI channel configuration data (see above) - * ipa: IPA endpoint configuration data (see above) + * @ee_id: GSI execution environment ID + * @channel_id: GSI channel ID + * @endpoint_id: IPA endpoint ID + * @toward_ipa: direction of data transfer + * @channel: GSI channel configuration data (see above) + * @endpoint: IPA endpoint configuration data (see above) */ struct ipa_gsi_endpoint_data { u8 ee_id; /* enum gsi_ee_id */ @@ -176,21 +193,6 @@ struct ipa_gsi_endpoint_data { struct ipa_endpoint_data endpoint; }; -/** enum ipa_resource_type_src - source resource types */ -enum ipa_resource_type_src { - IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS, - IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS, - IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF, - IPA_RESOURCE_TYPE_SRC_HPS_DMARS, - IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES, -}; - -/** enum ipa_resource_type_dst - destination resource types */ -enum ipa_resource_type_dst { - IPA_RESOURCE_TYPE_DST_DATA_SECTORS, - IPA_RESOURCE_TYPE_DST_DPS_DMARS, -}; - /** * struct ipa_resource_limits - minimum and maximum resource counts * @min: minimum number of resources of a given type @@ -202,27 +204,17 @@ struct ipa_resource_limits { }; /** - * struct ipa_resource_src - source endpoint group resource usage - * @type: source group resource type - * @limits: array of limits to use for each resource group - */ -struct ipa_resource_src { - enum ipa_resource_type_src type; - struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_SRC_MAX]; -}; - -/** - * struct ipa_resource_dst - destination endpoint group resource usage - * @type: destination group resource type - * @limits: array of limits to use for each resource group + * struct ipa_resource - resource group source or destination resource usage + * @limits: array of resource limits, indexed by group */ -struct ipa_resource_dst { - enum ipa_resource_type_dst type; - struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_DST_MAX]; +struct ipa_resource { + struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_MAX]; }; /** * struct ipa_resource_data - IPA resource configuration data + * @rsrc_group_src_count: number of source resource groups supported + * @rsrc_group_dst_count: number of destination resource groups supported * @resource_src_count: number of entries in the resource_src array * @resource_src: source endpoint group resources * @resource_dst_count: number of entries in the resource_dst array @@ -234,10 +226,12 @@ struct ipa_resource_dst { * programming it at initialization time, so we specify it here. */ struct ipa_resource_data { + u32 rsrc_group_src_count; + u32 rsrc_group_dst_count; u32 resource_src_count; - const struct ipa_resource_src *resource_src; + const struct ipa_resource *resource_src; u32 resource_dst_count; - const struct ipa_resource_dst *resource_dst; + const struct ipa_resource *resource_dst; }; /** @@ -247,7 +241,7 @@ struct ipa_resource_data { * @imem_addr: physical address of IPA region within IMEM * @imem_size: size in bytes of IPA IMEM region * @smem_id: item identifier for IPA region within SMEM memory - * @imem_size: size in bytes of the IPA SMEM region + * @smem_size: size in bytes of the IPA SMEM region */ struct ipa_mem_data { u32 local_count; @@ -285,22 +279,31 @@ struct ipa_clock_data { /** * struct ipa_data - combined IPA/GSI configuration data * @version: IPA hardware version - * @endpoint_count: number of entries in endpoint_data array + * @backward_compat: BCR register value (prior to IPA v4.5 only) + * @qsb_count: number of entries in the qsb_data array + * @qsb_data: Qualcomm System Bus configuration data + * @endpoint_count: number of entries in the endpoint_data array * @endpoint_data: IPA endpoint/GSI channel data * @resource_data: IPA resource configuration data - * @mem_count: number of entries in mem_data array - * @mem_data: IPA-local shared memory region data + * @mem_data: IPA memory region data + * @clock_data: IPA clock and interconnect data */ struct ipa_data { enum ipa_version version; - u32 endpoint_count; /* # entries in endpoint_data[] */ + u32 backward_compat; + u32 qsb_count; /* number of entries in qsb_data[] */ + const struct ipa_qsb_data *qsb_data; + u32 endpoint_count; /* number of entries in endpoint_data[] */ const struct ipa_gsi_endpoint_data *endpoint_data; const struct ipa_resource_data *resource_data; const struct ipa_mem_data *mem_data; const struct ipa_clock_data *clock_data; }; -extern const struct ipa_data ipa_data_sdm845; -extern const struct ipa_data ipa_data_sc7180; +extern const struct ipa_data ipa_data_v3_5_1; +extern const struct ipa_data ipa_data_v4_2; +extern const struct ipa_data ipa_data_v4_5; +extern const struct ipa_data ipa_data_v4_9; +extern const struct ipa_data ipa_data_v4_11; #endif /* _IPA_DATA_H_ */ |