diff options
Diffstat (limited to 'drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.h')
| -rw-r--r-- | drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.h b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.h new file mode 100644 index 000000000000..182f62dfe398 --- /dev/null +++ b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.h @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * + * Copyright (c) 2021, MediaTek Inc. + * Copyright (c) 2021-2022, Intel Corporation. + * + * Authors: + * Haijun Liu <haijun.liu@mediatek.com> + * Eliot Lee <eliot.lee@intel.com> + * Ricardo Martinez <ricardo.martinez@linux.intel.com> + * + * Contributors: + * Amir Hanania <amir.hanania@intel.com> + * Moises Veleta <moises.veleta@intel.com> + * Sreehari Kancharla <sreehari.kancharla@intel.com> + */ + +#ifndef __T7XX_HIF_DPMA_RX_H__ +#define __T7XX_HIF_DPMA_RX_H__ + +#include <linux/bits.h> +#include <linux/types.h> + +#include "t7xx_hif_dpmaif.h" + +#define NETIF_MASK GENMASK(4, 0) + +#define PKT_TYPE_IP4 0 +#define PKT_TYPE_IP6 1 + +/* Structure of DL PIT */ +struct dpmaif_pit { + __le32 header; + union { + struct { + __le32 data_addr_l; + __le32 data_addr_h; + __le32 footer; + } pd; + struct { + __le32 params_1; + __le32 params_2; + __le32 params_3; + } msg; + }; +}; + +/* PIT header fields */ +#define PD_PIT_DATA_LEN GENMASK(31, 16) +#define PD_PIT_BUFFER_ID GENMASK(15, 3) +#define PD_PIT_BUFFER_TYPE BIT(2) +#define PD_PIT_CONT BIT(1) +#define PD_PIT_PACKET_TYPE BIT(0) +/* PIT footer fields */ +#define PD_PIT_DLQ_DONE GENMASK(31, 30) +#define PD_PIT_ULQ_DONE GENMASK(29, 24) +#define PD_PIT_HEADER_OFFSET GENMASK(23, 19) +#define PD_PIT_BI_F GENMASK(18, 17) +#define PD_PIT_IG BIT(16) +#define PD_PIT_RES GENMASK(15, 11) +#define PD_PIT_H_BID GENMASK(10, 8) +#define PD_PIT_PIT_SEQ GENMASK(7, 0) + +#define MSG_PIT_DP BIT(31) +#define MSG_PIT_RES GENMASK(30, 27) +#define MSG_PIT_NETWORK_TYPE GENMASK(26, 24) +#define MSG_PIT_CHANNEL_ID GENMASK(23, 16) +#define MSG_PIT_RES2 GENMASK(15, 12) +#define MSG_PIT_HPC_IDX GENMASK(11, 8) +#define MSG_PIT_SRC_QID GENMASK(7, 5) +#define MSG_PIT_ERROR_BIT BIT(4) +#define MSG_PIT_CHECKSUM GENMASK(3, 2) +#define MSG_PIT_CONT BIT(1) +#define MSG_PIT_PACKET_TYPE BIT(0) + +#define MSG_PIT_HP_IDX GENMASK(31, 27) +#define MSG_PIT_CMD GENMASK(26, 24) +#define MSG_PIT_RES3 GENMASK(23, 21) +#define MSG_PIT_FLOW GENMASK(20, 16) +#define MSG_PIT_COUNT GENMASK(15, 0) + +#define MSG_PIT_HASH GENMASK(31, 24) +#define MSG_PIT_RES4 GENMASK(23, 18) +#define MSG_PIT_PRO GENMASK(17, 16) +#define MSG_PIT_VBID GENMASK(15, 3) +#define MSG_PIT_RES5 GENMASK(2, 0) + +#define MSG_PIT_DLQ_DONE GENMASK(31, 30) +#define MSG_PIT_ULQ_DONE GENMASK(29, 24) +#define MSG_PIT_IP BIT(23) +#define MSG_PIT_RES6 BIT(22) +#define MSG_PIT_MR GENMASK(21, 20) +#define MSG_PIT_RES7 GENMASK(19, 17) +#define MSG_PIT_IG BIT(16) +#define MSG_PIT_RES8 GENMASK(15, 11) +#define MSG_PIT_H_BID GENMASK(10, 8) +#define MSG_PIT_PIT_SEQ GENMASK(7, 0) + +int t7xx_dpmaif_rxq_init(struct dpmaif_rx_queue *queue); +void t7xx_dpmaif_rx_clear(struct dpmaif_ctrl *dpmaif_ctrl); +int t7xx_dpmaif_bat_rel_wq_alloc(struct dpmaif_ctrl *dpmaif_ctrl); +int t7xx_dpmaif_rx_buf_alloc(struct dpmaif_ctrl *dpmaif_ctrl, + const struct dpmaif_bat_request *bat_req, + const unsigned int q_num, const unsigned int buf_cnt, + const bool initial); +int t7xx_dpmaif_rx_frag_alloc(struct dpmaif_ctrl *dpmaif_ctrl, struct dpmaif_bat_request *bat_req, + const unsigned int buf_cnt, const bool first_time); +void t7xx_dpmaif_rx_stop(struct dpmaif_ctrl *dpmaif_ctrl); +void t7xx_dpmaif_irq_rx_done(struct dpmaif_ctrl *dpmaif_ctrl, const unsigned int que_mask); +void t7xx_dpmaif_rxq_free(struct dpmaif_rx_queue *queue); +void t7xx_dpmaif_bat_wq_rel(struct dpmaif_ctrl *dpmaif_ctrl); +int t7xx_dpmaif_bat_alloc(const struct dpmaif_ctrl *dpmaif_ctrl, struct dpmaif_bat_request *bat_req, + const enum bat_type buf_type); +void t7xx_dpmaif_bat_free(const struct dpmaif_ctrl *dpmaif_ctrl, + struct dpmaif_bat_request *bat_req); + +#endif /* __T7XX_HIF_DPMA_RX_H__ */ |