linux/drivers/net/ipa/reg, branch v6.2

net: ipa: add IPA v4.7 support

2022-12-12T23:55:06Z

Add the necessary register and data definitions needed for IPA v4.7, which is found on the SM6350 SoC. Co-developed-by: Luca Weiss Signed-off-by: Luca Weiss Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski

net: ipa: add a parameter to suspend registers

2022-11-04T10:16:53Z

The SUSPEND_INFO, SUSPEND_EN, SUSPEND_CLR registers represent endpoint IDs in a bit mask. When more than 32 endpoints are supported, these registers will be replicated as needed to represent the number of supported endpoints. Update the definitions of these registers to have a stride of 4 bytes, and update the code that operates them to select the proper offset and bit. Signed-off-by: Alex Elder Signed-off-by: David S. Miller

net: ipa: add a parameter to aggregation registers

2022-11-04T10:16:53Z

Starting with IPA v5.0, a single IPA instance can have more than 32 endpoints defined. To handle this, each register that holds a bitmap of IPA endpoints is replicated as needed to represent the available endpoints. To prepare for this, registers that represent endpoint IDs in a bit mask will be defined to have a parameter, with a stride value of 4 bytes. The first 32 endpoints are represented in the first 32-bit register, then the next (up to) 32 endpoints at an offset 4 bytes higher. When accessing such a register, the endpoint ID divided by 32 determines the offset, and the endpoint ID modulo 32 defines the endpoint's bit position within the register. The first two registers we'll update for this are STATE_AGGR_ACTIVE and AGGR_FORCE_CLOSE. Until more than 32 endpoints are supported, this change has no practical effect. Signed-off-by: Alex Elder Signed-off-by: David S. Miller

net: ipa: fix v3.1 resource limit masks

2022-10-26T02:48:58Z

The resource group limits for IPA v3.1 mistakenly used 6 bit wide mask values, when the hardware actually uses 8. Out of range values were silently ignored before, so the IPA worked as expected. However the new generalised register definitions introduce stricter checking here, they now cause some splats and result in the value 0 being written instead. Fix the limit bitmask widths so that the correct values can be written. Fixes: 1c418c4a929c ("net: ipa: define resource group/type IPA register fields") Signed-off-by: Caleb Connolly Reviewed-by: Alex Elder Tested-by: Jami Kettunen Link: https://lore.kernel.org/r/20221024210336.4014983-2-caleb.connolly@linaro.org Signed-off-by: Jakub Kicinski

net: ipa: define remaining IPA register fields

2022-09-28T01:42:52Z

Define the fields for the ENDP_INIT_DEAGGR, ENDP_INIT_RSRC_GRP, ENDP_INIT_SEQ, ENDP_STATUS, and ENDP_FILTER_ROUTER_HSH_CFG, and IPA_IRQ_UC IPA registers for all supported IPA versions. Create enumerated types to identify fields for these IPA registers. Use IPA_REG_FIELDS() and IPA_REG_STRIDE_FIELDS() to specify the field mask values defined for these registers, for each supported version of IPA. Use ipa_reg_encode() and ipa_reg_bit() to build up the values to be written to these registers, remove an inline function and all the *_FMASK symbols that are now no longer used. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski

net: ipa: define more IPA endpoint register fields

2022-09-28T01:42:51Z

Define the fields for the ENDP_INIT_MODE, ENDP_INIT_AGGR, ENDP_INIT_HOL_BLOCK_EN, and ENDP_INIT_HOL_BLOCK_TIMER IPA registers for all supported IPA versions. Create enumerated types to identify fields for these IPA registers. Use IPA_REG_STRIDE_FIELDS() to specify the field mask values defined for these registers, for each supported version of IPA. Change aggr_time_limit_encode() and hol_block_timer_encode() so they take an ipa_reg pointer, and use those register's fields to compute their encoded results. Have aggr_time_limit_encode() take an IPA pointer rather than version, to match hol_block_timer_encode(). Use ipa_reg_encode(), ipa_reg_bit(), and ipa_reg_field_max() to manipulate values to be written to these registers, remove the definitions of the various inline functions and *_FMASK symbols that are now no longer used. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski

net: ipa: define some IPA endpoint register fields

2022-09-28T01:42:51Z

Define the fields for the ENDP_INIT_CTRL, ENDP_INIT_CFG, ENDP_INIT_NAT, ENDP_INIT_HDR, and ENDP_INIT_HDR_EXT IPA registers for all supported IPA versions. Create enumerated types to identify fields for these IPA registers. Use IPA_REG_STRIDE_FIELDS() to specify the field mask values defined for these registers, for each supported version of IPA. Move ipa_header_size_encoded() and ipa_metadata_offset_encoded() out of "ipa_reg.h" and into "ipa_endpoint.c". Change them so they take an additional ipa_reg structure argument, and use ipa_reg_encode() to encode the parts of the header size and offset prior to writing to the register. Change their names to be verbs rather than nouns. Use ipa_reg_encode(), ipa_reg_bit, and ipa_reg_field_max() to manipulate values to be written to these registers, remove the definition of the no-longer-used *_FMASK symbols. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski

net: ipa: define resource group/type IPA register fields

2022-09-28T01:42:51Z

Define the fields for the {SRC,DST}_RSRC_GRP_{01,23,45,67}_RSRC_TYPE IPA registers for all supported IPA versions. Create enumerated types to identify fields for these IPA registers. Use IPA_REG_STRIDE_FIELDS() to specify the field mask values defined for these registers, for each supported version of IPA. Use ipa_reg_encode() to build up the values to be written to these registers. Remove the definition of the no-longer-used *_FMASK symbols. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski

net: ipa: define even more IPA register fields

2022-09-28T01:42:51Z

Define the fields for the FLAVOR_0, IDLE_INDICATION_CFG, QTIME_TIMESTAMP_CFG, TIMERS_XO_CLK_DIV_CFG and TIMERS_PULSE_GRAN_CFG IPA registers for all supported IPA versions. Create enumerated types to identify fields for these IPA registers. Use IPA_REG_FIELDS() to specify the field mask values defined for these registers, for each supported version of IPA. Use ipa_reg_bit() and ipa_reg_encode() to build up the values to be written to these registers. Use ipa_reg_decode() to extract field values from the FLAVOR_0 register. Remove the definition of the no-longer-used *_FMASK symbols. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski

net: ipa: define more IPA register fields

2022-09-28T01:42:51Z

Define the fields for the LOCAL_PKT_PROC_CNTXT, COUNTER_CFG, and IPA_TX_CFG IPA registers for all supported IPA versions. Create enumerated types to identify fields for these IPA registers. Use IPA_REG_FIELDS() to specify the field mask values defined for these registers, for each supported version of IPA. Use ipa_reg_bit() and ipa_reg_encode() to build up the values to be written to these registers. Remove the definition of the *_FMASK symbols as well as proc_cntxt_base_addr_encoded(), because they are no longer needed. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski