| /* |
| * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "hal_api.h" |
| #include "wcss_version.h" |
| |
| /** |
| * Common SRNG register access macros: |
| * The SRNG registers are distributed accross various UMAC and LMAC HW blocks, |
| * but the register group and format is exactly same for all rings, with some |
| * difference between producer rings (these are 'producer rings' with respect |
| * to HW and refered as 'destination rings' in SW) and consumer rings (these |
| * are 'consumer rings' with respect to HW and refered as 'source rings' in SW). |
| * The following macros provide uniform access to all SRNG rings. |
| */ |
| |
| /* SRNG registers are split among two groups R0 and R2 and following |
| * definitions identify the group to which each register belongs to |
| */ |
| #define R0_INDEX 0 |
| #define R2_INDEX 1 |
| |
| #define HWREG_INDEX(_reg_group) _reg_group ## _ ## INDEX |
| |
| /* Registers in R0 group */ |
| #define BASE_LSB_GROUP R0 |
| #define BASE_MSB_GROUP R0 |
| #define ID_GROUP R0 |
| #define STATUS_GROUP R0 |
| #define MISC_GROUP R0 |
| #define HP_ADDR_LSB_GROUP R0 |
| #define HP_ADDR_MSB_GROUP R0 |
| #define PRODUCER_INT_SETUP_GROUP R0 |
| #define PRODUCER_INT_STATUS_GROUP R0 |
| #define PRODUCER_FULL_COUNTER_GROUP R0 |
| #define MSI1_BASE_LSB_GROUP R0 |
| #define MSI1_BASE_MSB_GROUP R0 |
| #define MSI1_DATA_GROUP R0 |
| #define HP_TP_SW_OFFSET_GROUP R0 |
| #define TP_ADDR_LSB_GROUP R0 |
| #define TP_ADDR_MSB_GROUP R0 |
| #define CONSUMER_INT_SETUP_IX0_GROUP R0 |
| #define CONSUMER_INT_SETUP_IX1_GROUP R0 |
| #define CONSUMER_INT_STATUS_GROUP R0 |
| #define CONSUMER_EMPTY_COUNTER_GROUP R0 |
| #define CONSUMER_PREFETCH_TIMER_GROUP R0 |
| #define CONSUMER_PREFETCH_STATUS_GROUP R0 |
| |
| /* Registers in R2 group */ |
| #define HP_GROUP R2 |
| #define TP_GROUP R2 |
| |
| /** |
| * Register definitions for all SRNG based rings are same, except few |
| * differences between source (HW consumer) and destination (HW producer) |
| * registers. Following macros definitions provide generic access to all |
| * SRNG based rings. |
| * For source rings, we will use the register/field definitions of SW2TCL1 |
| * ring defined in the HW header file mac_tcl_reg_seq_hwioreg.h. To setup |
| * individual fields, SRNG_SM macros should be used with fields specified |
| * using SRNG_SRC_FLD(<register>, <field>), Register writes should be done |
| * using SRNG_SRC_REG_WRITE(<hal_srng>, <register>, <value>). |
| * Similarly for destination rings we will use definitions of REO2SW1 ring |
| * defined in the register reo_destination_ring.h. To setup individual |
| * fields SRNG_SM macros should be used with fields specified using |
| * SRNG_DST_FLD(<register>, <field>). Register writes should be done using |
| * SRNG_DST_REG_WRITE(<hal_srng>, <register>, <value>). |
| */ |
| |
| #define SRNG_DST_REG_OFFSET(_reg, _reg_group) \ |
| HWIO_REO_ ## _reg_group ## _REO2SW1_RING_ ## _reg##_ADDR(0) |
| |
| #define SRNG_SRC_REG_OFFSET(_reg, _reg_group) \ |
| HWIO_TCL_ ## _reg_group ## _SW2TCL1_RING_ ## _reg ## _ADDR(0) |
| |
| #define _SRNG_DST_FLD(_reg_group, _reg_fld) \ |
| HWIO_REO_ ## _reg_group ## _REO2SW1_RING_ ## _reg_fld |
| #define _SRNG_SRC_FLD(_reg_group, _reg_fld) \ |
| HWIO_TCL_ ## _reg_group ## _SW2TCL1_RING_ ## _reg_fld |
| |
| #define _SRNG_FLD(_reg_group, _reg_fld, _dir) \ |
| _SRNG_ ## _dir ## _FLD(_reg_group, _reg_fld) |
| |
| #define SRNG_DST_FLD(_reg, _f) _SRNG_FLD(_reg ## _GROUP, _reg ## _ ## _f, DST) |
| #define SRNG_SRC_FLD(_reg, _f) _SRNG_FLD(_reg ## _GROUP, _reg ## _ ## _f, SRC) |
| |
| #define SRNG_SRC_R0_START_OFFSET SRNG_SRC_REG_OFFSET(BASE_LSB, R0) |
| #define SRNG_DST_R0_START_OFFSET SRNG_DST_REG_OFFSET(BASE_LSB, R0) |
| |
| #define SRNG_SRC_R2_START_OFFSET SRNG_SRC_REG_OFFSET(HP, R2) |
| #define SRNG_DST_R2_START_OFFSET SRNG_DST_REG_OFFSET(HP, R2) |
| |
| #define SRNG_SRC_START_OFFSET(_reg_group) \ |
| SRNG_SRC_ ## _reg_group ## _START_OFFSET |
| #define SRNG_DST_START_OFFSET(_reg_group) \ |
| SRNG_DST_ ## _reg_group ## _START_OFFSET |
| |
| #define SRNG_REG_ADDR(_srng, _reg, _reg_group, _dir) \ |
| ((_srng)->hwreg_base[HWREG_INDEX(_reg_group)] + \ |
| SRNG_ ## _dir ## _REG_OFFSET(_reg, _reg_group) - \ |
| SRNG_ ## _dir ## _START_OFFSET(_reg_group)) |
| |
| #define SRNG_DST_ADDR(_srng, _reg) \ |
| SRNG_REG_ADDR(_srng, _reg, _reg ## _GROUP, DST) |
| |
| #define SRNG_SRC_ADDR(_srng, _reg) \ |
| SRNG_REG_ADDR(_srng, _reg, _reg ## _GROUP, SRC) |
| |
| #define SRNG_REG_WRITE(_srng, _reg, _value, _dir) \ |
| hif_write32_mb(SRNG_ ## _dir ## _ADDR(_srng, _reg), (_value)) |
| |
| #define SRNG_REG_READ(_srng, _reg, _dir) \ |
| hif_read32_mb(SRNG_ ## _dir ## _ADDR(_srng, _reg)) |
| |
| #define SRNG_SRC_REG_WRITE(_srng, _reg, _value) \ |
| SRNG_REG_WRITE(_srng, _reg, _value, SRC) |
| |
| #define SRNG_DST_REG_WRITE(_srng, _reg, _value) \ |
| SRNG_REG_WRITE(_srng, _reg, _value, DST) |
| |
| #define SRNG_SRC_REG_READ(_srng, _reg) \ |
| SRNG_REG_READ(_srng, _reg, SRC) |
| |
| #define _SRNG_FM(_reg_fld) _reg_fld ## _BMSK |
| #define _SRNG_FS(_reg_fld) _reg_fld ## _SHFT |
| |
| #define SRNG_SM(_reg_fld, _val) \ |
| (((_val) << _SRNG_FS(_reg_fld)) & _SRNG_FM(_reg_fld)) |
| |
| #define SRNG_MS(_reg_fld, _val) \ |
| (((_val) & _SRNG_FM(_reg_fld)) >> _SRNG_FS(_reg_fld)) |
| |
| #define SRNG_MAX_SIZE_DWORDS \ |
| (SRNG_MS(SRNG_SRC_FLD(BASE_MSB, RING_SIZE), 0xffffffff)) |
| |
| /** |
| * HW ring configuration table to identify hardware ring attributes like |
| * register addresses, number of rings, ring entry size etc., for each type |
| * of SRNG ring. |
| * |
| * Currently there is just one HW ring table, but there could be multiple |
| * configurations in future based on HW variants from the same wifi3.0 family |
| * and hence need to be attached with hal_soc based on HW type |
| */ |
| #define HAL_SRNG_CONFIG(_hal_soc, _ring_type) (&hw_srng_table[_ring_type]) |
| static struct hal_hw_srng_config hw_srng_table[] = { |
| /* TODO: max_rings can populated by querying HW capabilities */ |
| { /* REO_DST */ |
| .start_ring_id = HAL_SRNG_REO2SW1, |
| .max_rings = 4, |
| .entry_size = sizeof(struct reo_destination_ring) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| .reg_start = { |
| HWIO_REO_R0_REO2SW1_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| HWIO_REO_R2_REO2SW1_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET) |
| }, |
| .reg_size = { |
| HWIO_REO_R0_REO2SW2_RING_BASE_LSB_ADDR(0) - |
| HWIO_REO_R0_REO2SW1_RING_BASE_LSB_ADDR(0), |
| HWIO_REO_R2_REO2SW1_RING_HP_ADDR(0) - |
| HWIO_REO_R2_REO2SW2_RING_HP_ADDR(0), |
| }, |
| }, |
| { /* REO_EXCEPTION */ |
| /* Designating REO2TCL ring as exception ring. This ring is |
| * similar to other REO2SW rings though it is named as REO2TCL. |
| * Any of theREO2SW rings can be used as exception ring. |
| */ |
| .start_ring_id = HAL_SRNG_REO2TCL, |
| .max_rings = 1, |
| .entry_size = sizeof(struct reo_destination_ring) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| .reg_start = { |
| HWIO_REO_R0_REO2TCL_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| HWIO_REO_R2_REO2TCL_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET) |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* REO_REINJECT */ |
| .start_ring_id = HAL_SRNG_SW2REO, |
| .max_rings = 1, |
| .entry_size = sizeof(struct reo_entrance_ring) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_REO_R0_SW2REO_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| HWIO_REO_R2_SW2REO_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET) |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* REO_CMD */ |
| .start_ring_id = HAL_SRNG_REO_CMD, |
| .max_rings = 1, |
| .entry_size = (sizeof(struct tlv_32_hdr) + |
| sizeof(struct reo_get_queue_stats)) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_REO_R0_REO_CMD_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| HWIO_REO_R2_REO_CMD_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* REO_STATUS */ |
| .start_ring_id = HAL_SRNG_REO_STATUS, |
| .max_rings = 1, |
| .entry_size = (sizeof(struct tlv_32_hdr) + |
| sizeof(struct reo_get_queue_stats_status)) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| .reg_start = { |
| HWIO_REO_R0_REO_STATUS_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| HWIO_REO_R2_REO_STATUS_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_REO_REG_OFFSET), |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* TCL_DATA */ |
| .start_ring_id = HAL_SRNG_SW2TCL1, |
| .max_rings = 3, |
| .entry_size = (sizeof(struct tlv_32_hdr) + |
| sizeof(struct tcl_data_cmd)) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_TCL_R0_SW2TCL1_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET), |
| HWIO_TCL_R2_SW2TCL1_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET), |
| }, |
| .reg_size = { |
| HWIO_TCL_R0_SW2TCL2_RING_BASE_LSB_ADDR(0) - |
| HWIO_TCL_R0_SW2TCL1_RING_BASE_LSB_ADDR(0), |
| HWIO_TCL_R2_SW2TCL2_RING_HP_ADDR(0) - |
| HWIO_TCL_R2_SW2TCL1_RING_HP_ADDR(0), |
| }, |
| }, |
| { /* TCL_CMD */ |
| .start_ring_id = HAL_SRNG_SW2TCL_CMD, |
| .max_rings = 1, |
| .entry_size = (sizeof(struct tlv_32_hdr) + |
| sizeof(struct tcl_gse_cmd)) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_TCL_R0_SW2TCL_CMD_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET), |
| HWIO_TCL_R2_SW2TCL_CMD_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET), |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* TCL_STATUS */ |
| .start_ring_id = HAL_SRNG_TCL_STATUS, |
| .max_rings = 1, |
| .entry_size = (sizeof(struct tlv_32_hdr) + |
| sizeof(struct tcl_status_ring)) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| .reg_start = { |
| HWIO_TCL_R0_TCL_STATUS1_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET), |
| HWIO_TCL_R2_TCL_STATUS1_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET), |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* CE_SRC */ |
| .start_ring_id = HAL_SRNG_CE_0_SRC, |
| .max_rings = 12, |
| .entry_size = sizeof(struct ce_src_desc) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_WFSS_CE_CHANNEL_DST_R0_DEST_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_SRC_REG_OFFSET), |
| HWIO_WFSS_CE_CHANNEL_DST_R2_DEST_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_SRC_REG_OFFSET), |
| }, |
| .reg_size = { |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_1_CHANNEL_SRC_REG_OFFSET - |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_SRC_REG_OFFSET, |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_1_CHANNEL_SRC_REG_OFFSET - |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_SRC_REG_OFFSET, |
| }, |
| }, |
| { /* CE_DST */ |
| .start_ring_id = HAL_SRNG_CE_0_DST, |
| .max_rings = 12, |
| .entry_size = 8 >> 2, |
| /*TODO: entry_size above should actually be |
| * sizeof(struct ce_dst_desc) >> 2, but couldn't find definition |
| * of struct ce_dst_desc in HW header files |
| */ |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_WFSS_CE_CHANNEL_DST_R0_DEST_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET), |
| HWIO_WFSS_CE_CHANNEL_DST_R2_DEST_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET), |
| }, |
| .reg_size = { |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_1_CHANNEL_DST_REG_OFFSET - |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET, |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_1_CHANNEL_DST_REG_OFFSET - |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET, |
| }, |
| }, |
| { /* CE_DST_STATUS */ |
| .start_ring_id = HAL_SRNG_CE_0_DST_STATUS, |
| .max_rings = 12, |
| .entry_size = sizeof(struct ce_stat_desc) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| .reg_start = { |
| HWIO_WFSS_CE_CHANNEL_DST_R0_STATUS_RING_BASE_LSB_ADDR( |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET), |
| HWIO_WFSS_CE_CHANNEL_DST_R2_STATUS_RING_HP_ADDR( |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET), |
| }, |
| /* TODO: check destination status ring registers */ |
| .reg_size = { |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_1_CHANNEL_DST_REG_OFFSET - |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET, |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_1_CHANNEL_DST_REG_OFFSET - |
| SEQ_WCSS_UMAC_WFSS_CE_0_REG_WFSS_CE_0_CHANNEL_DST_REG_OFFSET, |
| }, |
| }, |
| { /* WBM_IDLE_LINK */ |
| .start_ring_id = HAL_SRNG_WBM_IDLE_LINK, |
| .max_rings = 1, |
| .entry_size = sizeof(struct wbm_link_descriptor_ring) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_WBM_R0_WBM_IDLE_LINK_RING_BASE_LSB_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| HWIO_WBM_R2_WBM_IDLE_LINK_RING_HP_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* SW2WBM_RELEASE */ |
| .start_ring_id = HAL_SRNG_WBM_SW_RELEASE, |
| .max_rings = 1, |
| .entry_size = sizeof(struct wbm_release_ring) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| .reg_start = { |
| HWIO_WBM_R0_SW_RELEASE_RING_BASE_LSB_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| HWIO_WBM_R2_SW_RELEASE_RING_HP_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| }, |
| /* Single ring - provide ring size if multiple rings of this |
| * type are supported */ |
| .reg_size = {}, |
| }, |
| { /* WBM2SW_RELEASE */ |
| .start_ring_id = HAL_SRNG_WBM2SW0_RELEASE, |
| .max_rings = 4, |
| .entry_size = sizeof(struct wbm_release_ring) >> 2, |
| .lmac_ring = FALSE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| .reg_start = { |
| HWIO_WBM_R0_WBM2SW0_RELEASE_RING_BASE_LSB_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| HWIO_WBM_R2_WBM2SW0_RELEASE_RING_HP_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| }, |
| .reg_size = { |
| HWIO_WBM_R0_WBM2SW1_RELEASE_RING_BASE_LSB_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET) - |
| HWIO_WBM_R0_WBM2SW0_RELEASE_RING_BASE_LSB_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| HWIO_WBM_R2_WBM2SW1_RELEASE_RING_HP_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET) - |
| HWIO_WBM_R2_WBM2SW0_RELEASE_RING_HP_ADDR(SEQ_WCSS_UMAC_WBM_REG_OFFSET), |
| }, |
| }, |
| { /* RXDMA_BUF */ |
| .start_ring_id = HAL_SRNG_WMAC1_SW2RXDMA0_BUF, |
| .max_rings = 2, |
| /* TODO: Check if the additional IPA buffer ring needs to be |
| * setup here (in which case max_rings should be set to 2), |
| * or it will be setup by IPA host driver |
| */ |
| .entry_size = sizeof(struct wbm_buffer_ring) >> 2, |
| .lmac_ring = TRUE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| /* reg_start is not set because LMAC rings are not accessed |
| * from host |
| */ |
| .reg_start = {}, |
| .reg_size = {}, |
| }, |
| { /* RXDMA_DST */ |
| .start_ring_id = HAL_SRNG_WMAC1_RXDMA2SW0, |
| .max_rings = 1, |
| .entry_size = sizeof(struct reo_entrance_ring) >> 2, |
| .lmac_ring = TRUE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| /* reg_start is not set because LMAC rings are not accessed |
| * from host |
| */ |
| .reg_start = {}, |
| .reg_size = {}, |
| }, |
| { /* RXDMA_MONITOR_BUF */ |
| .start_ring_id = HAL_SRNG_WMAC1_SW2RXDMA2_BUF, |
| .max_rings = 1, |
| .entry_size = sizeof(struct wbm_buffer_ring) >> 2, |
| .lmac_ring = TRUE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| /* reg_start is not set because LMAC rings are not accessed |
| * from host |
| */ |
| .reg_start = {}, |
| .reg_size = {}, |
| }, |
| { /* RXDMA_MONITOR_STATUS */ |
| .start_ring_id = HAL_SRNG_WMAC1_SW2RXDMA1_STATBUF, |
| .max_rings = 1, |
| .entry_size = sizeof(struct wbm_buffer_ring) >> 2, |
| .lmac_ring = TRUE, |
| .ring_dir = HAL_SRNG_SRC_RING, |
| /* reg_start is not set because LMAC rings are not accessed |
| * from host |
| */ |
| .reg_start = {}, |
| .reg_size = {}, |
| }, |
| { /* RXDMA_MONITOR_DST */ |
| .start_ring_id = HAL_SRNG_WMAC1_RXDMA2SW1, |
| .max_rings = 1, |
| .entry_size = sizeof(struct reo_entrance_ring) >> 2, |
| .lmac_ring = TRUE, |
| .ring_dir = HAL_SRNG_DST_RING, |
| /* reg_start is not set because LMAC rings are not accessed |
| * from host |
| */ |
| .reg_start = {}, |
| .reg_size = {}, |
| }, |
| }; |
| |
| /** |
| * hal_get_srng_ring_id() - get the ring id of a descriped ring |
| * @hal: hal_soc data structure |
| * @ring_type: type enum describing the ring |
| * @ring_num: which ring of the ring type |
| * @mac_id: which mac does the ring belong to (or 0 for non-lmac rings) |
| * |
| * Return: the ring id or -EINVAL if the ring does not exist. |
| */ |
| static int hal_get_srng_ring_id(struct hal_soc *hal, int ring_type, |
| int ring_num, int mac_id) |
| { |
| struct hal_hw_srng_config *ring_config = |
| HAL_SRNG_CONFIG(hal, ring_type); |
| int ring_id; |
| |
| if (ring_num >= ring_config->max_rings) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: ring_num exceeded maximum no. of supported rings\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| if (ring_config->lmac_ring) { |
| ring_id = ring_config->start_ring_id + ring_num + |
| (mac_id * HAL_MAX_RINGS_PER_LMAC); |
| } else { |
| ring_id = ring_config->start_ring_id + ring_num; |
| } |
| |
| return ring_id; |
| } |
| |
| static struct hal_srng *hal_get_srng(struct hal_soc *hal, int ring_id) |
| { |
| /* TODO: Should we allocate srng structures dynamically? */ |
| return &(hal->srng_list[ring_id]); |
| } |
| |
| #define HP_OFFSET_IN_REG_START 1 |
| #define OFFSET_FROM_HP_TO_TP 4 |
| static void hal_update_srng_hp_tp_address(void *hal_soc, |
| int shadow_config_index, |
| int ring_type, |
| int ring_num) |
| { |
| struct hal_srng *srng; |
| struct hal_soc *hal = (struct hal_soc *)hal_soc; |
| int ring_id; |
| |
| ring_id = hal_get_srng_ring_id(hal_soc, ring_type, ring_num, 0); |
| if (ring_id < 0) |
| return; |
| |
| srng = hal_get_srng(hal_soc, ring_id); |
| |
| if (srng->ring_dir == HAL_SRNG_DST_RING) |
| srng->u.dst_ring.tp_addr = SHADOW_REGISTER(shadow_config_index) |
| + hal->dev_base_addr; |
| else |
| srng->u.src_ring.hp_addr = SHADOW_REGISTER(shadow_config_index) |
| + hal->dev_base_addr; |
| } |
| |
| QDF_STATUS hal_set_one_shadow_config(void *hal_soc, |
| int ring_type, |
| int ring_num) |
| { |
| uint32_t target_register; |
| struct hal_soc *hal = (struct hal_soc *)hal_soc; |
| struct hal_hw_srng_config *srng_config = &hw_srng_table[ring_type]; |
| int shadow_config_index = hal->num_shadow_registers_configured; |
| |
| if (shadow_config_index >= MAX_SHADOW_REGISTERS) { |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_RESOURCES; |
| } |
| |
| hal->num_shadow_registers_configured++; |
| |
| target_register = srng_config->reg_start[HP_OFFSET_IN_REG_START]; |
| target_register += (srng_config->reg_size[HP_OFFSET_IN_REG_START] |
| *ring_num); |
| |
| /* if the ring is a dst ring, we need to shadow the tail pointer */ |
| if (srng_config->ring_dir == HAL_SRNG_DST_RING) |
| target_register += OFFSET_FROM_HP_TO_TP; |
| |
| hal->shadow_config[shadow_config_index].addr = target_register; |
| |
| /* update hp/tp addr in the hal_soc structure*/ |
| hal_update_srng_hp_tp_address(hal_soc, shadow_config_index, ring_type, |
| ring_num); |
| |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO, |
| "%s: target_reg %x, shadow_index %x, ring_type %d, ring num %d\n", |
| __func__, target_register, shadow_config_index, |
| ring_type, ring_num); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS hal_construct_shadow_config(void *hal_soc) |
| { |
| int ring_type, ring_num; |
| |
| for (ring_type = 0; ring_type < MAX_RING_TYPES; ring_type++) { |
| struct hal_hw_srng_config *srng_config = |
| &hw_srng_table[ring_type]; |
| |
| if (ring_type == CE_SRC || |
| ring_type == CE_DST || |
| ring_type == CE_DST_STATUS) |
| continue; |
| |
| if (srng_config->lmac_ring) |
| continue; |
| |
| for (ring_num = 0; ring_num < srng_config->max_rings; |
| ring_num++) |
| hal_set_one_shadow_config(hal_soc, ring_type, ring_num); |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| void hal_get_shadow_config(void *hal_soc, |
| struct pld_shadow_reg_v2_cfg **shadow_config, |
| int *num_shadow_registers_configured) |
| { |
| struct hal_soc *hal = (struct hal_soc *)hal_soc; |
| |
| *shadow_config = hal->shadow_config; |
| *num_shadow_registers_configured = |
| hal->num_shadow_registers_configured; |
| |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s\n", __func__); |
| } |
| |
| |
| static void hal_validate_shadow_register(struct hal_soc *hal, |
| uint32_t *destination, |
| uint32_t *shadow_address) |
| { |
| unsigned int index; |
| uint32_t *shadow_0_offset = SHADOW_REGISTER(0) + hal->dev_base_addr; |
| int destination_ba_offset = |
| ((char *)destination) - (char *)hal->dev_base_addr; |
| |
| index = shadow_address - shadow_0_offset; |
| |
| if (index > MAX_SHADOW_REGISTERS) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: index %x out of bounds\n", __func__, index); |
| goto error; |
| } else if (hal->shadow_config[index].addr != destination_ba_offset) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: sanity check failure, expected %x, found %x\n", |
| __func__, destination_ba_offset, |
| hal->shadow_config[index].addr); |
| goto error; |
| } |
| return; |
| error: |
| qdf_print("%s: baddr %p, desination %p, shadow_address %p s0offset %p index %x", |
| __func__, hal->dev_base_addr, destination, shadow_address, |
| shadow_0_offset, index); |
| QDF_BUG(0); |
| return; |
| } |
| |
| /** |
| * hal_attach - Initalize HAL layer |
| * @hif_handle: Opaque HIF handle |
| * @qdf_dev: QDF device |
| * |
| * Return: Opaque HAL SOC handle |
| * NULL on failure (if given ring is not available) |
| * |
| * This function should be called as part of HIF initialization (for accessing |
| * copy engines). DP layer will get hal_soc handle using hif_get_hal_handle() |
| * |
| */ |
| void *hal_attach(void *hif_handle, qdf_device_t qdf_dev) |
| { |
| struct hal_soc *hal; |
| int i; |
| |
| hal = qdf_mem_malloc(sizeof(*hal)); |
| |
| if (!hal) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: hal_soc allocation failed\n", __func__); |
| goto fail0; |
| } |
| hal->hif_handle = hif_handle; |
| hal->dev_base_addr = hif_get_dev_ba(hif_handle); |
| hal->qdf_dev = qdf_dev; |
| hal->shadow_rdptr_mem_vaddr = (uint32_t *)qdf_mem_alloc_consistent( |
| qdf_dev, qdf_dev->dev, sizeof(*(hal->shadow_rdptr_mem_vaddr)) * |
| HAL_SRNG_ID_MAX, &(hal->shadow_rdptr_mem_paddr)); |
| if (!hal->shadow_rdptr_mem_paddr) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: hal->shadow_rdptr_mem_paddr allocation failed\n", |
| __func__); |
| goto fail1; |
| } |
| |
| hal->shadow_wrptr_mem_vaddr = |
| (uint32_t *)qdf_mem_alloc_consistent(qdf_dev, qdf_dev->dev, |
| sizeof(*(hal->shadow_wrptr_mem_vaddr)) * HAL_MAX_LMAC_RINGS, |
| &(hal->shadow_wrptr_mem_paddr)); |
| if (!hal->shadow_wrptr_mem_vaddr) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: hal->shadow_wrptr_mem_vaddr allocation failed\n", |
| __func__); |
| goto fail2; |
| } |
| |
| for (i = 0; i < HAL_SRNG_ID_MAX; i++) { |
| hal->srng_list[i].initialized = 0; |
| hal->srng_list[i].ring_id = i; |
| } |
| |
| return (void *)hal; |
| |
| fail2: |
| qdf_mem_free_consistent(qdf_dev, qdf_dev->dev, |
| sizeof(*(hal->shadow_rdptr_mem_vaddr)) * HAL_SRNG_ID_MAX, |
| hal->shadow_rdptr_mem_vaddr, hal->shadow_rdptr_mem_paddr, 0); |
| fail1: |
| qdf_mem_free(hal); |
| fail0: |
| return NULL; |
| } |
| |
| /** |
| * hal_detach - Detach HAL layer |
| * @hal_soc: HAL SOC handle |
| * |
| * Return: Opaque HAL SOC handle |
| * NULL on failure (if given ring is not available) |
| * |
| * This function should be called as part of HIF initialization (for accessing |
| * copy engines). DP layer will get hal_soc handle using hif_get_hal_handle() |
| * |
| */ |
| extern void hal_detach(void *hal_soc) |
| { |
| struct hal_soc *hal = (struct hal_soc *)hal_soc; |
| |
| qdf_mem_free_consistent(hal->qdf_dev, hal->qdf_dev->dev, |
| sizeof(*(hal->shadow_rdptr_mem_vaddr)) * HAL_SRNG_ID_MAX, |
| hal->shadow_rdptr_mem_vaddr, hal->shadow_rdptr_mem_paddr, 0); |
| qdf_mem_free_consistent(hal->qdf_dev, hal->qdf_dev->dev, |
| sizeof(*(hal->shadow_wrptr_mem_vaddr)) * HAL_MAX_LMAC_RINGS, |
| hal->shadow_wrptr_mem_vaddr, hal->shadow_wrptr_mem_paddr, 0); |
| qdf_mem_free(hal); |
| |
| return; |
| } |
| |
| |
| |
| /** |
| * hal_srng_src_hw_init - Private function to initialize SRNG |
| * source ring HW |
| * @hal_soc: HAL SOC handle |
| * @srng: SRNG ring pointer |
| */ |
| static inline void hal_srng_src_hw_init(struct hal_soc *hal, |
| struct hal_srng *srng) |
| { |
| uint32_t reg_val = 0; |
| uint64_t tp_addr = 0; |
| |
| HIF_INFO("%s: hw_init srng %d", __func__, srng->ring_id); |
| |
| if (srng->flags & HAL_SRNG_MSI_INTR) { |
| SRNG_SRC_REG_WRITE(srng, MSI1_BASE_LSB, |
| srng->msi_addr & 0xffffffff); |
| reg_val = SRNG_SM(SRNG_SRC_FLD(MSI1_BASE_MSB, ADDR), |
| (uint64_t)(srng->msi_addr) >> 32) | |
| SRNG_SM(SRNG_SRC_FLD(MSI1_BASE_MSB, |
| MSI1_ENABLE), 1); |
| SRNG_SRC_REG_WRITE(srng, MSI1_BASE_MSB, reg_val); |
| SRNG_SRC_REG_WRITE(srng, MSI1_DATA, srng->msi_data); |
| } |
| |
| HIF_INFO("%s: hw_init srng (msi_end) %d", __func__, srng->ring_id); |
| |
| |
| SRNG_SRC_REG_WRITE(srng, BASE_LSB, srng->ring_base_paddr & 0xffffffff); |
| reg_val = SRNG_SM(SRNG_SRC_FLD(BASE_MSB, RING_BASE_ADDR_MSB), |
| ((uint64_t)(srng->ring_base_paddr) >> 32)) | |
| SRNG_SM(SRNG_SRC_FLD(BASE_MSB, RING_SIZE), |
| srng->entry_size * srng->num_entries); |
| SRNG_SRC_REG_WRITE(srng, BASE_MSB, reg_val); |
| |
| #if defined(WCSS_VERSION) && \ |
| ((defined(CONFIG_WIN) && (WCSS_VERSION > 81)) || \ |
| (defined(CONFIG_MCL) && (WCSS_VERSION >= 72))) |
| reg_val = SRNG_SM(SRNG_SRC_FLD(ID, ENTRY_SIZE), srng->entry_size); |
| #else |
| reg_val = SRNG_SM(SRNG_SRC_FLD(ID, RING_ID), srng->ring_id) | |
| SRNG_SM(SRNG_SRC_FLD(ID, ENTRY_SIZE), srng->entry_size); |
| #endif |
| SRNG_SRC_REG_WRITE(srng, ID, reg_val); |
| |
| reg_val = ((srng->flags & HAL_SRNG_DATA_TLV_SWAP) ? |
| SRNG_SM(SRNG_SRC_FLD(MISC, DATA_TLV_SWAP_BIT), 1) : 0) | |
| ((srng->flags & HAL_SRNG_RING_PTR_SWAP) ? |
| SRNG_SM(SRNG_SRC_FLD(MISC, HOST_FW_SWAP_BIT), 1) : 0) | |
| ((srng->flags & HAL_SRNG_MSI_SWAP) ? |
| SRNG_SM(SRNG_SRC_FLD(MISC, MSI_SWAP_BIT), 1) : 0); |
| |
| /* Loop count is not used for SRC rings */ |
| reg_val |= SRNG_SM(SRNG_SRC_FLD(MISC, LOOPCNT_DISABLE), 1); |
| |
| SRNG_SRC_REG_WRITE(srng, MISC, reg_val); |
| |
| /** |
| * Interrupt setup: |
| * Default interrupt mode is 'pulse'. Need to setup SW_INTERRUPT_MODE |
| * if level mode is required |
| */ |
| reg_val = 0; |
| if (srng->intr_timer_thres_us) { |
| reg_val |= SRNG_SM(SRNG_SRC_FLD(CONSUMER_INT_SETUP_IX0, |
| INTERRUPT_TIMER_THRESHOLD), |
| srng->intr_timer_thres_us >> 3); |
| } |
| |
| if (srng->intr_batch_cntr_thres_entries) { |
| reg_val |= SRNG_SM(SRNG_SRC_FLD(CONSUMER_INT_SETUP_IX0, |
| BATCH_COUNTER_THRESHOLD), |
| srng->intr_batch_cntr_thres_entries * |
| srng->entry_size); |
| } |
| SRNG_SRC_REG_WRITE(srng, CONSUMER_INT_SETUP_IX0, reg_val); |
| |
| if (srng->flags & HAL_SRNG_LOW_THRES_INTR_ENABLE) { |
| reg_val |= SRNG_SM(SRNG_SRC_FLD(CONSUMER_INT_SETUP_IX1, |
| LOW_THRESHOLD), srng->u.src_ring.low_threshold); |
| } |
| |
| SRNG_SRC_REG_WRITE(srng, CONSUMER_INT_SETUP_IX1, reg_val); |
| |
| /* As per HW team, TP_ADDR and HP_ADDR for Idle link ring should |
| * remain 0 to avoid some WBM stability issues. Remote head/tail |
| * pointers are not required since this ring is completly managed |
| * by WBM HW */ |
| if (srng->ring_id != HAL_SRNG_WBM_IDLE_LINK) { |
| tp_addr = (uint64_t)(hal->shadow_rdptr_mem_paddr + |
| ((unsigned long)(srng->u.src_ring.tp_addr) - |
| (unsigned long)(hal->shadow_rdptr_mem_vaddr))); |
| SRNG_SRC_REG_WRITE(srng, TP_ADDR_LSB, tp_addr & 0xffffffff); |
| SRNG_SRC_REG_WRITE(srng, TP_ADDR_MSB, tp_addr >> 32); |
| } |
| |
| /* Initilaize head and tail pointers to indicate ring is empty */ |
| SRNG_SRC_REG_WRITE(srng, HP, 0); |
| SRNG_SRC_REG_WRITE(srng, TP, 0); |
| *(srng->u.src_ring.tp_addr) = 0; |
| } |
| |
| /** |
| * hal_ce_dst_setup - Initialize CE destination ring registers |
| * @hal_soc: HAL SOC handle |
| * @srng: SRNG ring pointer |
| */ |
| static inline void hal_ce_dst_setup(struct hal_soc *hal, struct hal_srng *srng, |
| int ring_num) |
| { |
| uint32_t reg_val = 0; |
| uint32_t reg_addr; |
| struct hal_hw_srng_config *ring_config = |
| HAL_SRNG_CONFIG(hal, CE_DST); |
| |
| /* set DEST_MAX_LENGTH according to ce assignment */ |
| reg_addr = HWIO_WFSS_CE_CHANNEL_DST_R0_DEST_CTRL_ADDR( |
| ring_config->reg_start[R0_INDEX] + |
| (ring_num * ring_config->reg_size[R0_INDEX])); |
| |
| reg_val = HAL_REG_READ(hal, reg_addr); |
| reg_val &= ~HWIO_WFSS_CE_CHANNEL_DST_R0_DEST_CTRL_DEST_MAX_LENGTH_BMSK; |
| reg_val |= srng->u.dst_ring.max_buffer_length & |
| HWIO_WFSS_CE_CHANNEL_DST_R0_DEST_CTRL_DEST_MAX_LENGTH_BMSK; |
| HAL_REG_WRITE(hal, reg_addr, reg_val); |
| } |
| |
| /** |
| * hal_srng_dst_hw_init - Private function to initialize SRNG |
| * destination ring HW |
| * @hal_soc: HAL SOC handle |
| * @srng: SRNG ring pointer |
| */ |
| static inline void hal_srng_dst_hw_init(struct hal_soc *hal, |
| struct hal_srng *srng) |
| { |
| uint32_t reg_val = 0; |
| uint64_t hp_addr = 0; |
| |
| HIF_INFO("%s: hw_init srng %d", __func__, srng->ring_id); |
| |
| if (srng->flags & HAL_SRNG_MSI_INTR) { |
| SRNG_DST_REG_WRITE(srng, MSI1_BASE_LSB, |
| srng->msi_addr & 0xffffffff); |
| reg_val = SRNG_SM(SRNG_DST_FLD(MSI1_BASE_MSB, ADDR), |
| (uint64_t)(srng->msi_addr) >> 32) | |
| SRNG_SM(SRNG_DST_FLD(MSI1_BASE_MSB, |
| MSI1_ENABLE), 1); |
| SRNG_DST_REG_WRITE(srng, MSI1_BASE_MSB, reg_val); |
| SRNG_DST_REG_WRITE(srng, MSI1_DATA, srng->msi_data); |
| } |
| |
| HIF_INFO("%s: hw_init srng msi end %d", __func__, srng->ring_id); |
| |
| SRNG_DST_REG_WRITE(srng, BASE_LSB, srng->ring_base_paddr & 0xffffffff); |
| reg_val = SRNG_SM(SRNG_DST_FLD(BASE_MSB, RING_BASE_ADDR_MSB), |
| ((uint64_t)(srng->ring_base_paddr) >> 32)) | |
| SRNG_SM(SRNG_DST_FLD(BASE_MSB, RING_SIZE), |
| srng->entry_size * srng->num_entries); |
| SRNG_DST_REG_WRITE(srng, BASE_MSB, reg_val); |
| |
| reg_val = SRNG_SM(SRNG_DST_FLD(ID, RING_ID), srng->ring_id) | |
| SRNG_SM(SRNG_DST_FLD(ID, ENTRY_SIZE), srng->entry_size); |
| SRNG_DST_REG_WRITE(srng, ID, reg_val); |
| |
| reg_val = ((srng->flags & HAL_SRNG_DATA_TLV_SWAP) ? |
| SRNG_SM(SRNG_DST_FLD(MISC, DATA_TLV_SWAP_BIT), 1) : 0) | |
| ((srng->flags & HAL_SRNG_RING_PTR_SWAP) ? |
| SRNG_SM(SRNG_DST_FLD(MISC, HOST_FW_SWAP_BIT), 1) : 0) | |
| ((srng->flags & HAL_SRNG_MSI_SWAP) ? |
| SRNG_SM(SRNG_DST_FLD(MISC, MSI_SWAP_BIT), 1) : 0); |
| |
| SRNG_DST_REG_WRITE(srng, MISC, reg_val); |
| |
| /** |
| * Interrupt setup: |
| * Default interrupt mode is 'pulse'. Need to setup SW_INTERRUPT_MODE |
| * if level mode is required |
| */ |
| reg_val = 0; |
| if (srng->intr_timer_thres_us) { |
| reg_val |= SRNG_SM(SRNG_DST_FLD(PRODUCER_INT_SETUP, |
| INTERRUPT_TIMER_THRESHOLD), |
| srng->intr_timer_thres_us >> 3); |
| } |
| |
| if (srng->intr_batch_cntr_thres_entries) { |
| reg_val |= SRNG_SM(SRNG_DST_FLD(PRODUCER_INT_SETUP, |
| BATCH_COUNTER_THRESHOLD), |
| srng->intr_batch_cntr_thres_entries * |
| srng->entry_size); |
| } |
| |
| SRNG_DST_REG_WRITE(srng, PRODUCER_INT_SETUP, reg_val); |
| hp_addr = (uint64_t)(hal->shadow_rdptr_mem_paddr + |
| ((unsigned long)(srng->u.dst_ring.hp_addr) - |
| (unsigned long)(hal->shadow_rdptr_mem_vaddr))); |
| SRNG_DST_REG_WRITE(srng, HP_ADDR_LSB, hp_addr & 0xffffffff); |
| SRNG_DST_REG_WRITE(srng, HP_ADDR_MSB, hp_addr >> 32); |
| |
| /* Initilaize head and tail pointers to indicate ring is empty */ |
| SRNG_DST_REG_WRITE(srng, HP, 0); |
| SRNG_DST_REG_WRITE(srng, TP, 0); |
| *(srng->u.dst_ring.hp_addr) = 0; |
| } |
| |
| /** |
| * hal_srng_hw_init - Private function to initialize SRNG HW |
| * @hal_soc: HAL SOC handle |
| * @srng: SRNG ring pointer |
| */ |
| static inline void hal_srng_hw_init(struct hal_soc *hal, |
| struct hal_srng *srng) |
| { |
| if (srng->ring_dir == HAL_SRNG_SRC_RING) |
| hal_srng_src_hw_init(hal, srng); |
| else |
| hal_srng_dst_hw_init(hal, srng); |
| } |
| |
| #ifdef CONFIG_SHADOW_V2 |
| #define ignore_shadow false |
| #define CHECK_SHADOW_REGISTERS true |
| #else |
| #define ignore_shadow true |
| #define CHECK_SHADOW_REGISTERS false |
| #endif |
| |
| /** |
| * hal_srng_setup - Initalize HW SRNG ring. |
| * @hal_soc: Opaque HAL SOC handle |
| * @ring_type: one of the types from hal_ring_type |
| * @ring_num: Ring number if there are multiple rings of same type (staring |
| * from 0) |
| * @mac_id: valid MAC Id should be passed if ring type is one of lmac rings |
| * @ring_params: SRNG ring params in hal_srng_params structure. |
| |
| * Callers are expected to allocate contiguous ring memory of size |
| * 'num_entries * entry_size' bytes and pass the physical and virtual base |
| * addresses through 'ring_base_paddr' and 'ring_base_vaddr' in |
| * hal_srng_params structure. Ring base address should be 8 byte aligned |
| * and size of each ring entry should be queried using the API |
| * hal_srng_get_entrysize |
| * |
| * Return: Opaque pointer to ring on success |
| * NULL on failure (if given ring is not available) |
| */ |
| void *hal_srng_setup(void *hal_soc, int ring_type, int ring_num, |
| int mac_id, struct hal_srng_params *ring_params) |
| { |
| int ring_id; |
| struct hal_soc *hal = (struct hal_soc *)hal_soc; |
| struct hal_srng *srng; |
| struct hal_hw_srng_config *ring_config = |
| HAL_SRNG_CONFIG(hal, ring_type); |
| void *dev_base_addr; |
| int i; |
| |
| ring_id = hal_get_srng_ring_id(hal_soc, ring_type, ring_num, mac_id); |
| if (ring_id < 0) |
| return NULL; |
| |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: mac_id %d ring_id %d\n", |
| __func__, mac_id, ring_id); |
| |
| srng = hal_get_srng(hal_soc, ring_id); |
| |
| if (srng->initialized) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| "%s: Ring (ring_type, ring_num) already initialized\n", |
| __func__); |
| return NULL; |
| } |
| |
| dev_base_addr = hal->dev_base_addr; |
| srng->ring_id = ring_id; |
| srng->ring_dir = ring_config->ring_dir; |
| srng->ring_base_paddr = ring_params->ring_base_paddr; |
| srng->ring_base_vaddr = ring_params->ring_base_vaddr; |
| srng->entry_size = ring_config->entry_size; |
| srng->num_entries = ring_params->num_entries; |
| srng->ring_size = srng->num_entries * srng->entry_size; |
| srng->ring_size_mask = srng->ring_size - 1; |
| srng->msi_addr = ring_params->msi_addr; |
| srng->msi_data = ring_params->msi_data; |
| srng->intr_timer_thres_us = ring_params->intr_timer_thres_us; |
| srng->intr_batch_cntr_thres_entries = |
| ring_params->intr_batch_cntr_thres_entries; |
| |
| for (i = 0 ; i < MAX_SRNG_REG_GROUPS; i++) { |
| srng->hwreg_base[i] = dev_base_addr + ring_config->reg_start[i] |
| + (ring_num * ring_config->reg_size[i]); |
| } |
| |
| /* Zero out the entire ring memory */ |
| qdf_mem_zero(srng->ring_base_vaddr, (srng->entry_size * |
| srng->num_entries) << 2); |
| |
| srng->flags = ring_params->flags; |
| #ifdef BIG_ENDIAN_HOST |
| /* TODO: See if we should we get these flags from caller */ |
| srng->flags |= HAL_SRNG_DATA_TLV_SWAP; |
| srng->flags |= HAL_SRNG_MSI_SWAP; |
| srng->flags |= HAL_SRNG_RING_PTR_SWAP; |
| #endif |
| |
| if (srng->ring_dir == HAL_SRNG_SRC_RING) { |
| srng->u.src_ring.hp = 0; |
| srng->u.src_ring.reap_hp = srng->ring_size - |
| srng->entry_size; |
| srng->u.src_ring.tp_addr = |
| &(hal->shadow_rdptr_mem_vaddr[ring_id]); |
| srng->u.src_ring.low_threshold = ring_params->low_threshold; |
| if (ring_config->lmac_ring) { |
| /* For LMAC rings, head pointer updates will be done |
| * through FW by writing to a shared memory location |
| */ |
| srng->u.src_ring.hp_addr = |
| &(hal->shadow_wrptr_mem_vaddr[ring_id - |
| HAL_SRNG_LMAC1_ID_START]); |
| srng->flags |= HAL_SRNG_LMAC_RING; |
| } else if (ignore_shadow || (srng->u.src_ring.hp_addr == 0)) { |
| srng->u.src_ring.hp_addr = SRNG_SRC_ADDR(srng, HP); |
| |
| if (CHECK_SHADOW_REGISTERS) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, |
| QDF_TRACE_LEVEL_ERROR, |
| "%s: Ring (%d, %d) missing shadow config\n", |
| __func__, ring_type, ring_num); |
| } |
| } else { |
| hal_validate_shadow_register(hal, |
| SRNG_SRC_ADDR(srng, HP), |
| srng->u.src_ring.hp_addr); |
| } |
| } else { |
| /* During initialization loop count in all the descriptors |
| * will be set to zero, and HW will set it to 1 on completing |
| * descriptor update in first loop, and increments it by 1 on |
| * subsequent loops (loop count wraps around after reaching |
| * 0xffff). The 'loop_cnt' in SW ring state is the expected |
| * loop count in descriptors updated by HW (to be processed |
| * by SW). |
| */ |
| srng->u.dst_ring.loop_cnt = 1; |
| srng->u.dst_ring.tp = 0; |
| srng->u.dst_ring.hp_addr = |
| &(hal->shadow_rdptr_mem_vaddr[ring_id]); |
| if (ring_config->lmac_ring) { |
| /* For LMAC rings, tail pointer updates will be done |
| * through FW by writing to a shared memory location |
| */ |
| srng->u.dst_ring.tp_addr = |
| &(hal->shadow_wrptr_mem_vaddr[ring_id - |
| HAL_SRNG_LMAC1_ID_START]); |
| srng->flags |= HAL_SRNG_LMAC_RING; |
| } else if (ignore_shadow || srng->u.dst_ring.tp_addr == 0) { |
| srng->u.dst_ring.tp_addr = SRNG_DST_ADDR(srng, TP); |
| |
| if (CHECK_SHADOW_REGISTERS) { |
| QDF_TRACE(QDF_MODULE_ID_TXRX, |
| QDF_TRACE_LEVEL_ERROR, |
| "%s: Ring (%d, %d) missing shadow config\n", |
| __func__, ring_type, ring_num); |
| } |
| } else { |
| hal_validate_shadow_register(hal, |
| SRNG_DST_ADDR(srng, TP), |
| srng->u.dst_ring.tp_addr); |
| } |
| } |
| |
| if (!(ring_config->lmac_ring)) { |
| hal_srng_hw_init(hal, srng); |
| |
| if (ring_type == CE_DST) { |
| srng->u.dst_ring.max_buffer_length = ring_params->max_buffer_length; |
| hal_ce_dst_setup(hal, srng, ring_num); |
| } |
| } |
| |
| SRNG_LOCK_INIT(&srng->lock); |
| |
| return (void *)srng; |
| } |
| |
| /** |
| * hal_srng_cleanup - Deinitialize HW SRNG ring. |
| * @hal_soc: Opaque HAL SOC handle |
| * @hal_srng: Opaque HAL SRNG pointer |
| */ |
| void hal_srng_cleanup(void *hal_soc, void *hal_srng) |
| { |
| struct hal_srng *srng = (struct hal_srng *)hal_srng; |
| SRNG_LOCK_DESTROY(&srng->lock); |
| srng->initialized = 0; |
| } |
| |
| /** |
| * hal_srng_get_entrysize - Returns size of ring entry in bytes |
| * @hal_soc: Opaque HAL SOC handle |
| * @ring_type: one of the types from hal_ring_type |
| * |
| */ |
| uint32_t hal_srng_get_entrysize(void *hal_soc, int ring_type) |
| { |
| struct hal_hw_srng_config *ring_config = |
| HAL_SRNG_CONFIG(hal, ring_type); |
| return ring_config->entry_size << 2; |
| } |
| |
| /** |
| * hal_srng_max_entries - Returns maximum possible number of ring entries |
| * @hal_soc: Opaque HAL SOC handle |
| * @ring_type: one of the types from hal_ring_type |
| * |
| * Return: Maximum number of entries for the given ring_type |
| */ |
| uint32_t hal_srng_max_entries(void *hal_soc, int ring_type) |
| { |
| struct hal_hw_srng_config *ring_config = HAL_SRNG_CONFIG(hal, ring_type); |
| return SRNG_MAX_SIZE_DWORDS / ring_config->entry_size; |
| } |
| |
| /** |
| * hal_get_srng_params - Retreive SRNG parameters for a given ring from HAL |
| * |
| * @hal_soc: Opaque HAL SOC handle |
| * @hal_ring: Ring pointer (Source or Destination ring) |
| * @ring_params: SRNG parameters will be returned through this structure |
| */ |
| extern void hal_get_srng_params(void *hal_soc, void *hal_ring, |
| struct hal_srng_params *ring_params) |
| { |
| struct hal_srng *srng = (struct hal_srng *)hal_ring; |
| |
| ring_params->ring_base_paddr = srng->ring_base_paddr; |
| ring_params->ring_base_vaddr = srng->ring_base_vaddr; |
| ring_params->num_entries = srng->num_entries; |
| ring_params->msi_addr = srng->msi_addr; |
| ring_params->msi_data = srng->msi_data; |
| ring_params->intr_timer_thres_us = srng->intr_timer_thres_us; |
| ring_params->intr_batch_cntr_thres_entries = |
| srng->intr_batch_cntr_thres_entries; |
| ring_params->low_threshold = srng->u.src_ring.low_threshold; |
| ring_params->flags = srng->flags; |
| ring_params->ring_id = srng->ring_id; |
| } |