mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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482b30b653
... and print what we get. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
231 lines
5.8 KiB
C
231 lines
5.8 KiB
C
/*
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* Copyright (c) 2010-2011 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HTC_HST_H
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#define HTC_HST_H
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struct ath9k_htc_priv;
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struct htc_target;
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struct ath9k_htc_tx_ctl;
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enum ath9k_hif_transports {
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ATH9K_HIF_USB,
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};
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struct ath9k_htc_hif {
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struct list_head list;
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const enum ath9k_hif_transports transport;
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const char *name;
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u8 control_dl_pipe;
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u8 control_ul_pipe;
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void (*start) (void *hif_handle);
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void (*stop) (void *hif_handle);
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void (*sta_drain) (void *hif_handle, u8 idx);
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int (*send) (void *hif_handle, u8 pipe, struct sk_buff *buf);
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};
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enum htc_endpoint_id {
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ENDPOINT_UNUSED = -1,
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ENDPOINT0 = 0,
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ENDPOINT1 = 1,
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ENDPOINT2 = 2,
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ENDPOINT3 = 3,
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ENDPOINT4 = 4,
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ENDPOINT5 = 5,
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ENDPOINT6 = 6,
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ENDPOINT7 = 7,
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ENDPOINT8 = 8,
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ENDPOINT_MAX = 22
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};
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/* Htc frame hdr flags */
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#define HTC_FLAGS_RECV_TRAILER (1 << 1)
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struct htc_frame_hdr {
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u8 endpoint_id;
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u8 flags;
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__be16 payload_len;
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u8 control[4];
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} __packed;
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struct htc_ready_msg {
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__be16 message_id;
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__be16 credits;
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__be16 credit_size;
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u8 max_endpoints;
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u8 pad;
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} __packed;
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struct htc_config_pipe_msg {
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__be16 message_id;
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u8 pipe_id;
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u8 credits;
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} __packed;
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struct htc_panic_bad_vaddr {
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__be32 pattern;
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__be32 exccause;
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__be32 pc;
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__be32 badvaddr;
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} __packed;
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struct htc_panic_bad_epid {
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__be32 pattern;
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__be32 epid;
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} __packed;
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struct htc_ep_callbacks {
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void *priv;
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void (*tx) (void *, struct sk_buff *, enum htc_endpoint_id, bool txok);
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void (*rx) (void *, struct sk_buff *, enum htc_endpoint_id);
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};
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struct htc_endpoint {
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u16 service_id;
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struct htc_ep_callbacks ep_callbacks;
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u32 max_txqdepth;
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int max_msglen;
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u8 ul_pipeid;
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u8 dl_pipeid;
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};
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#define HTC_MAX_CONTROL_MESSAGE_LENGTH 255
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#define HTC_CONTROL_BUFFER_SIZE \
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(HTC_MAX_CONTROL_MESSAGE_LENGTH + sizeof(struct htc_frame_hdr))
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#define HTC_OP_START_WAIT BIT(0)
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#define HTC_OP_CONFIG_PIPE_CREDITS BIT(1)
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struct htc_target {
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void *hif_dev;
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struct ath9k_htc_priv *drv_priv;
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struct device *dev;
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struct ath9k_htc_hif *hif;
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struct htc_endpoint endpoint[ENDPOINT_MAX];
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struct completion target_wait;
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struct completion cmd_wait;
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struct list_head list;
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enum htc_endpoint_id conn_rsp_epid;
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u16 credits;
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u16 credit_size;
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u8 htc_flags;
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atomic_t tgt_ready;
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};
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enum htc_msg_id {
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HTC_MSG_READY_ID = 1,
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HTC_MSG_CONNECT_SERVICE_ID,
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HTC_MSG_CONNECT_SERVICE_RESPONSE_ID,
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HTC_MSG_SETUP_COMPLETE_ID,
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HTC_MSG_CONFIG_PIPE_ID,
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HTC_MSG_CONFIG_PIPE_RESPONSE_ID,
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};
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struct htc_service_connreq {
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u16 service_id;
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u16 con_flags;
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u32 max_send_qdepth;
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struct htc_ep_callbacks ep_callbacks;
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};
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/* Current service IDs */
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enum htc_service_group_ids{
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RSVD_SERVICE_GROUP = 0,
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WMI_SERVICE_GROUP = 1,
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HTC_SERVICE_GROUP_LAST = 255
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};
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#define MAKE_SERVICE_ID(group, index) \
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(int)(((int)group << 8) | (int)(index))
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/* NOTE: service ID of 0x0000 is reserved and should never be used */
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#define HTC_CTRL_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 1)
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#define HTC_LOOPBACK_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 2)
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#define WMI_CONTROL_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 0)
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#define WMI_BEACON_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 1)
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#define WMI_CAB_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 2)
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#define WMI_UAPSD_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 3)
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#define WMI_MGMT_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 4)
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#define WMI_DATA_VO_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 5)
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#define WMI_DATA_VI_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 6)
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#define WMI_DATA_BE_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 7)
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#define WMI_DATA_BK_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 8)
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struct htc_conn_svc_msg {
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__be16 msg_id;
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__be16 service_id;
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__be16 con_flags;
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u8 dl_pipeid;
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u8 ul_pipeid;
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u8 svc_meta_len;
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u8 pad;
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} __packed;
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/* connect response status codes */
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#define HTC_SERVICE_SUCCESS 0
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#define HTC_SERVICE_NOT_FOUND 1
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#define HTC_SERVICE_FAILED 2
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#define HTC_SERVICE_NO_RESOURCES 3
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#define HTC_SERVICE_NO_MORE_EP 4
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struct htc_conn_svc_rspmsg {
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__be16 msg_id;
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__be16 service_id;
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u8 status;
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u8 endpoint_id;
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__be16 max_msg_len;
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u8 svc_meta_len;
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u8 pad;
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} __packed;
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struct htc_comp_msg {
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__be16 msg_id;
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} __packed;
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int htc_init(struct htc_target *target);
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int htc_connect_service(struct htc_target *target,
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struct htc_service_connreq *service_connreq,
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enum htc_endpoint_id *conn_rsp_eid);
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int htc_send(struct htc_target *target, struct sk_buff *skb);
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int htc_send_epid(struct htc_target *target, struct sk_buff *skb,
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enum htc_endpoint_id epid);
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void htc_stop(struct htc_target *target);
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void htc_start(struct htc_target *target);
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void htc_sta_drain(struct htc_target *target, u8 idx);
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void ath9k_htc_rx_msg(struct htc_target *htc_handle,
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struct sk_buff *skb, u32 len, u8 pipe_id);
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void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
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struct sk_buff *skb, bool txok);
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struct htc_target *ath9k_htc_hw_alloc(void *hif_handle,
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struct ath9k_htc_hif *hif,
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struct device *dev);
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void ath9k_htc_hw_free(struct htc_target *htc);
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int ath9k_htc_hw_init(struct htc_target *target,
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struct device *dev, u16 devid, char *product,
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u32 drv_info);
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void ath9k_htc_hw_deinit(struct htc_target *target, bool hot_unplug);
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#endif /* HTC_HST_H */
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