qcacmn: Initialize command/credit ring for qca8074 & qcn9000

Initialize command/credit ring for qca8074 & qcn9000.

Change-Id: I28087dd4d8f4afddd954c764c2e85da43eaf78f1
CRs-fixed: 2562649

hal/wifi3.0/qcn9000/hal_9000.c

@@ -1412,6 +1412,7 @@ struct hal_hw_txrx_ops qcn9000_hal_hw_txrx_ops = {
 	hal_tx_comp_get_release_reason_generic,
 	hal_get_wbm_internal_error_generic,
 	hal_tx_desc_set_mesh_en_9000,
+	hal_tx_init_cmd_credit_ring_9000,
 
 	/* rx */
 	hal_rx_msdu_start_nss_get_9000,
@@ -1622,11 +1623,12 @@ struct hal_hw_srng_config hw_srng_table_9000[] = {
 			HWIO_TCL_R0_SW2TCL1_RING_BASE_MSB_RING_SIZE_BMSK >>
 			HWIO_TCL_R0_SW2TCL1_RING_BASE_MSB_RING_SIZE_SHFT,
 	},
-	{ /* TCL_CMD */
+	{ /* TCL_CMD/CREDIT */
+	  /* qca8074v2 and qcn9000 uses this ring for data commands */
 		.start_ring_id = HAL_SRNG_SW2TCL_CMD,
 		.max_rings = 1,
 		.entry_size = (sizeof(struct tlv_32_hdr) +
-			sizeof(struct tcl_gse_cmd)) >> 2,
+			sizeof(struct tcl_data_cmd)) >> 2,
 		.lmac_ring =  FALSE,
 		.ring_dir = HAL_SRNG_SRC_RING,
 		.reg_start = {

hal/wifi3.0/qcn9000/hal_9000_tx.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -207,3 +207,33 @@ static void hal_tx_desc_set_lmac_id_9000(void *desc, uint8_t lmac_id)
 	HAL_SET_FLD(desc, TCL_DATA_CMD_4, LMAC_ID) |=
 		HAL_TX_SM(TCL_DATA_CMD_4, LMAC_ID, lmac_id);
 }
+
+/**
+ * hal_tx_init_cmd_credit_ring_9000() - Initialize TCL command/credit SRNG
+ * @hal_soc_hdl: Handle to HAL SoC structure
+ * @hal_srng: Handle to HAL SRNG structure
+ *
+ * Return: none
+ */
+static inline void hal_tx_init_cmd_credit_ring_9000(hal_soc_handle_t hal_soc_hdl,
+						    hal_ring_handle_t hal_ring_hdl)
+{
+	uint8_t *desc_addr;
+	struct hal_srng_params srng_params;
+	uint32_t desc_size;
+	uint32_t num_desc;
+
+	hal_get_srng_params(hal_soc_hdl, hal_ring_hdl, &srng_params);
+
+	desc_addr = (uint8_t *)srng_params.ring_base_vaddr;
+	desc_size = sizeof(struct tcl_data_cmd);
+	num_desc = srng_params.num_entries;
+
+	while (num_desc) {
+		/* using CMD/CREDIT Ring to send DATA CMD tag */
+		HAL_TX_DESC_SET_TLV_HDR(desc_addr, WIFITCL_DATA_CMD_E,
+					desc_size);
+		desc_addr += (desc_size + sizeof(struct tlv_32_hdr));
+		num_desc--;
+	}
+}