From 1a5daead217c4b2243e6ab061e19a1190e4325ac Mon Sep 17 00:00:00 2001
From: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Date: Sun, 24 Oct 2021 18:20:27 +0300
Subject: [PATCH] iwlwifi: yoyo: support for ROM usniffer
Git-commit: 1a5daead217c4b2243e6ab061e19a1190e4325ac
Patch-mainline: v5.16-rc1
References: bsc#1202131
Add handling of config set TLV for ROM usniffer
support.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211024181719.507212be427a.I36acb6ca84095963614be70dc944ba0d98ee770c@changeid
Acked-by: Takashi Iwai <tiwai@suse.de>
---
.../net/wireless/intel/iwlwifi/fw/api/debug.h | 17 ++++
.../net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 92 ++++++++++++++++---
2 files changed, 94 insertions(+), 15 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
index 0abed12df2cb..029ae64bf2b2 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
@@ -379,6 +379,23 @@ struct iwl_dram_info {
struct iwl_buf_alloc_cmd dram_frags[IWL_FW_INI_ALLOCATION_NUM - 1];
} __packed; /* INIT_DRAM_FRAGS_ALLOCATIONS_S_VER_1 */
+/**
+ * struct iwl_dbgc1_info - DBGC1 address and size
+ *
+ * Driver will fill the dbcg1 address and size at address based on config TLV.
+ *
+ * @first_word: all 0 set as identifier
+ * @dbgc1_add_lsb: LSB bits of DBGC1 physical address
+ * @dbgc1_add_msb: MSB bits of DBGC1 physical address
+ * @dbgc1_size: DBGC1 size
+*/
+struct iwl_dbgc1_info {
+ __le32 first_word;
+ __le32 dbgc1_add_lsb;
+ __le32 dbgc1_add_msb;
+ __le32 dbgc1_size;
+} __packed; /* INIT_DRAM_FRAGS_ALLOCATIONS_S_VER_1 */
+
/**
* struct iwl_dbg_host_event_cfg_cmd
* @enabled_severities: enabled severities
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index f487cc8b9fe0..7ab98b419cc1 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -284,13 +284,6 @@ static int iwl_dbg_tlv_config_set(struct iwl_trans *trans,
return -EINVAL;
}
- if (type != IWL_FW_INI_CONFIG_SET_TYPE_PERIPH_SCRATCH_HWM ||
- trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) {
- IWL_DEBUG_FW(trans,
- "WRT: Config set type %u is not supported\n", type);
- return -EINVAL;
- }
-
return iwl_dbg_tlv_add(tlv, &trans->dbg.time_point[tp].config_list);
}
@@ -812,18 +805,84 @@ static void iwl_dbg_tlv_apply_config(struct iwl_fw_runtime *fwrt,
list_for_each_entry(node, config_list, list) {
struct iwl_fw_ini_conf_set_tlv *config_list = (void *)node->tlv.data;
+ u32 count, address, value;
+ u32 len = (le32_to_cpu(node->tlv.length) - sizeof(*config_list)) / 8;
u32 type = le32_to_cpu(config_list->set_type);
+ u32 offset = le32_to_cpu(config_list->addr_offset);
switch (type) {
- case IWL_FW_INI_CONFIG_SET_TYPE_PERIPH_SCRATCH_HWM: {
- u32 debug_token_config =
- le32_to_cpu(config_list->addr_val[0].value);
-
- IWL_DEBUG_FW(fwrt, "WRT: Setting HWM debug token config: %u\n",
- debug_token_config);
- fwrt->trans->dbg.ucode_preset = debug_token_config;
- break;
+ case IWL_FW_INI_CONFIG_SET_TYPE_DEVICE_PERIPHERY_MAC: {
+ if (!iwl_trans_grab_nic_access(fwrt->trans)) {
+ IWL_DEBUG_FW(fwrt, "WRT: failed to get nic access\n");
+ IWL_DEBUG_FW(fwrt, "WRT: skipping MAC PERIPHERY config\n");
+ continue;
+ }
+ IWL_DEBUG_FW(fwrt, "WRT: MAC PERIPHERY config len: len %u\n", len);
+ for (count = 0; count < len; count++) {
+ address = le32_to_cpu(config_list->addr_val[count].address);
+ value = le32_to_cpu(config_list->addr_val[count].value);
+ iwl_trans_write_prph(fwrt->trans, address + offset, value);
+ }
+ iwl_trans_release_nic_access(fwrt->trans);
+ break;
+ }
+ case IWL_FW_INI_CONFIG_SET_TYPE_DEVICE_MEMORY: {
+ for (count = 0; count < len; count++) {
+ address = le32_to_cpu(config_list->addr_val[count].address);
+ value = le32_to_cpu(config_list->addr_val[count].value);
+ iwl_trans_write_mem32(fwrt->trans, address + offset, value);
+ IWL_DEBUG_FW(fwrt, "WRT: DEV_MEM: count %u, add: %u val: %u\n",
+ count, address, value);
+ }
+ break;
+ }
+ case IWL_FW_INI_CONFIG_SET_TYPE_CSR: {
+ for (count = 0; count < len; count++) {
+ address = le32_to_cpu(config_list->addr_val[count].address);
+ value = le32_to_cpu(config_list->addr_val[count].value);
+ iwl_write32(fwrt->trans, address + offset, value);
+ IWL_DEBUG_FW(fwrt, "WRT: CSR: count %u, add: %u val: %u\n",
+ count, address, value);
+ }
+ break;
+ }
+ case IWL_FW_INI_CONFIG_SET_TYPE_DBGC_DRAM_ADDR: {
+ struct iwl_dbgc1_info dram_info = {};
+ struct iwl_dram_data *frags = &fwrt->trans->dbg.fw_mon_ini[1].frags[0];
+ __le64 dram_base_addr = cpu_to_le64(frags->physical);
+ __le32 dram_size = cpu_to_le32(frags->size);
+ u64 dram_addr = le64_to_cpu(dram_base_addr);
+ u32 ret;
+
+ IWL_DEBUG_FW(fwrt, "WRT: dram_base_addr 0x%016llx, dram_size 0x%x\n",
+ dram_base_addr, dram_size);
+ IWL_DEBUG_FW(fwrt, "WRT: config_list->addr_offset: %u\n",
+ le32_to_cpu(config_list->addr_offset));
+ for (count = 0; count < len; count++) {
+ address = le32_to_cpu(config_list->addr_val[count].address);
+ dram_info.dbgc1_add_lsb =
+ cpu_to_le32((dram_addr & 0x00000000FFFFFFFFULL) + 0x400);
+ dram_info.dbgc1_add_msb =
+ cpu_to_le32((dram_addr & 0xFFFFFFFF00000000ULL) >> 32);
+ dram_info.dbgc1_size = cpu_to_le32(le32_to_cpu(dram_size) - 0x400);
+ ret = iwl_trans_write_mem(fwrt->trans,
+ address + offset, &dram_info, 4);
+ if (ret) {
+ IWL_ERR(fwrt, "Failed to write dram_info to HW_SMEM\n");
+ break;
+ }
}
+ break;
+ }
+ case IWL_FW_INI_CONFIG_SET_TYPE_PERIPH_SCRATCH_HWM: {
+ u32 debug_token_config =
+ le32_to_cpu(config_list->addr_val[0].value);
+
+ IWL_DEBUG_FW(fwrt, "WRT: Setting HWM debug token config: %u\n",
+ debug_token_config);
+ fwrt->trans->dbg.ucode_preset = debug_token_config;
+ break;
+ }
default:
break;
}
@@ -1229,6 +1288,7 @@ void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt,
case IWL_FW_INI_TIME_POINT_AFTER_ALIVE:
iwl_dbg_tlv_apply_buffers(fwrt);
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+ iwl_dbg_tlv_apply_config(fwrt, conf_list);
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data, NULL);
break;
case IWL_FW_INI_TIME_POINT_PERIODIC:
@@ -1239,11 +1299,13 @@ void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt,
case IWL_FW_INI_TIME_POINT_MISSED_BEACONS:
case IWL_FW_INI_TIME_POINT_FW_DHC_NOTIFICATION:
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+ iwl_dbg_tlv_apply_config(fwrt, conf_list);
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data,
iwl_dbg_tlv_check_fw_pkt);
break;
default:
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
+ iwl_dbg_tlv_apply_config(fwrt, conf_list);
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data, NULL);
break;
}
--
2.35.3