// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. // Copyright (c) 2018, Linaro Limited #include <linux/irq.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> #include <linux/slimbus.h> #include <linux/delay.h> #include <linux/pm_runtime.h> #include <linux/mutex.h> #include <linux/notifier.h> #include <linux/remoteproc/qcom_rproc.h> #include <linux/of.h> #include <linux/io.h> #include <linux/soc/qcom/qmi.h> #include <linux/soc/qcom/pdr.h> #include <net/sock.h> #include "slimbus.h" /* NGD (Non-ported Generic Device) registers */ #define NGD_CFG … #define NGD_CFG_ENABLE … #define NGD_CFG_RX_MSGQ_EN … #define NGD_CFG_TX_MSGQ_EN … #define NGD_STATUS … #define NGD_LADDR … #define NGD_RX_MSGQ_CFG … #define NGD_INT_EN … #define NGD_INT_RECFG_DONE … #define NGD_INT_TX_NACKED_2 … #define NGD_INT_MSG_BUF_CONTE … #define NGD_INT_MSG_TX_INVAL … #define NGD_INT_IE_VE_CHG … #define NGD_INT_DEV_ERR … #define NGD_INT_RX_MSG_RCVD … #define NGD_INT_TX_MSG_SENT … #define NGD_INT_STAT … #define NGD_INT_CLR … #define DEF_NGD_INT_MASK … /* Slimbus QMI service */ #define SLIMBUS_QMI_SVC_ID … #define SLIMBUS_QMI_SVC_V1 … #define SLIMBUS_QMI_INS_ID … #define SLIMBUS_QMI_SELECT_INSTANCE_REQ_V01 … #define SLIMBUS_QMI_SELECT_INSTANCE_RESP_V01 … #define SLIMBUS_QMI_POWER_REQ_V01 … #define SLIMBUS_QMI_POWER_RESP_V01 … #define SLIMBUS_QMI_CHECK_FRAMER_STATUS_REQ … #define SLIMBUS_QMI_CHECK_FRAMER_STATUS_RESP … #define SLIMBUS_QMI_POWER_REQ_MAX_MSG_LEN … #define SLIMBUS_QMI_POWER_RESP_MAX_MSG_LEN … #define SLIMBUS_QMI_SELECT_INSTANCE_REQ_MAX_MSG_LEN … #define SLIMBUS_QMI_SELECT_INSTANCE_RESP_MAX_MSG_LEN … #define SLIMBUS_QMI_CHECK_FRAMER_STAT_RESP_MAX_MSG_LEN … /* QMI response timeout of 500ms */ #define SLIMBUS_QMI_RESP_TOUT … /* User defined commands */ #define SLIM_USR_MC_GENERIC_ACK … #define SLIM_USR_MC_MASTER_CAPABILITY … #define SLIM_USR_MC_REPORT_SATELLITE … #define SLIM_USR_MC_ADDR_QUERY … #define SLIM_USR_MC_ADDR_REPLY … #define SLIM_USR_MC_DEFINE_CHAN … #define SLIM_USR_MC_DEF_ACT_CHAN … #define SLIM_USR_MC_CHAN_CTRL … #define SLIM_USR_MC_RECONFIG_NOW … #define SLIM_USR_MC_REQ_BW … #define SLIM_USR_MC_CONNECT_SRC … #define SLIM_USR_MC_CONNECT_SINK … #define SLIM_USR_MC_DISCONNECT_PORT … #define SLIM_USR_MC_REPEAT_CHANGE_VALUE … #define SLIM_RX_MSGQ_TIMEOUT_VAL … #define SLIM_LA_MGR … #define SLIM_ROOT_FREQ … #define LADDR_RETRY … /* Per spec.max 40 bytes per received message */ #define SLIM_MSGQ_BUF_LEN … #define QCOM_SLIM_NGD_DESC_NUM … #define SLIM_MSG_ASM_FIRST_WORD(l, mt, mc, dt, ad) … #define INIT_MX_RETRIES … #define DEF_RETRY_MS … #define SAT_MAGIC_LSB … #define SAT_MAGIC_MSB … #define SAT_MSG_VER … #define SAT_MSG_PROT … #define to_ngd(d) … struct ngd_reg_offset_data { … }; static const struct ngd_reg_offset_data ngd_v1_5_offset_info = …; enum qcom_slim_ngd_state { … }; struct qcom_slim_ngd_qmi { … }; struct qcom_slim_ngd_ctrl; struct qcom_slim_ngd; struct qcom_slim_ngd_dma_desc { … }; struct qcom_slim_ngd { … }; struct qcom_slim_ngd_ctrl { … }; enum slimbus_mode_enum_type_v01 { … }; enum slimbus_pm_enum_type_v01 { … }; enum slimbus_resp_enum_type_v01 { … }; struct slimbus_select_inst_req_msg_v01 { … }; struct slimbus_select_inst_resp_msg_v01 { … }; struct slimbus_power_req_msg_v01 { … }; struct slimbus_power_resp_msg_v01 { … }; static const struct qmi_elem_info slimbus_select_inst_req_msg_v01_ei[] = …; static const struct qmi_elem_info slimbus_select_inst_resp_msg_v01_ei[] = …; static const struct qmi_elem_info slimbus_power_req_msg_v01_ei[] = …; static const struct qmi_elem_info slimbus_power_resp_msg_v01_ei[] = …; static int qcom_slim_qmi_send_select_inst_req(struct qcom_slim_ngd_ctrl *ctrl, struct slimbus_select_inst_req_msg_v01 *req) { … } static void qcom_slim_qmi_power_resp_cb(struct qmi_handle *handle, struct sockaddr_qrtr *sq, struct qmi_txn *txn, const void *data) { … } static int qcom_slim_qmi_send_power_request(struct qcom_slim_ngd_ctrl *ctrl, struct slimbus_power_req_msg_v01 *req) { … } static const struct qmi_msg_handler qcom_slim_qmi_msg_handlers[] = …; static int qcom_slim_qmi_init(struct qcom_slim_ngd_ctrl *ctrl, bool apps_is_master) { … } static void qcom_slim_qmi_exit(struct qcom_slim_ngd_ctrl *ctrl) { … } static int qcom_slim_qmi_power_request(struct qcom_slim_ngd_ctrl *ctrl, bool active) { … } static u32 *qcom_slim_ngd_tx_msg_get(struct qcom_slim_ngd_ctrl *ctrl, int len, struct completion *comp) { … } static void qcom_slim_ngd_tx_msg_dma_cb(void *args) { … } static int qcom_slim_ngd_tx_msg_post(struct qcom_slim_ngd_ctrl *ctrl, void *buf, int len) { … } static void qcom_slim_ngd_rx(struct qcom_slim_ngd_ctrl *ctrl, u8 *buf) { … } static void qcom_slim_ngd_rx_msgq_cb(void *args) { … } static int qcom_slim_ngd_post_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl) { … } static int qcom_slim_ngd_init_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl) { … } static int qcom_slim_ngd_init_tx_msgq(struct qcom_slim_ngd_ctrl *ctrl) { … } static int qcom_slim_ngd_init_dma(struct qcom_slim_ngd_ctrl *ctrl) { … } static irqreturn_t qcom_slim_ngd_interrupt(int irq, void *d) { … } static int qcom_slim_ngd_xfer_msg(struct slim_controller *sctrl, struct slim_msg_txn *txn) { … } static int qcom_slim_ngd_xfer_msg_sync(struct slim_controller *ctrl, struct slim_msg_txn *txn) { … } static int qcom_slim_calc_coef(struct slim_stream_runtime *rt, int *exp) { … } static int qcom_slim_ngd_enable_stream(struct slim_stream_runtime *rt) { … } static int qcom_slim_ngd_get_laddr(struct slim_controller *ctrl, struct slim_eaddr *ea, u8 *laddr) { … } static int qcom_slim_ngd_exit_dma(struct qcom_slim_ngd_ctrl *ctrl) { … } static void qcom_slim_ngd_setup(struct qcom_slim_ngd_ctrl *ctrl) { … } static int qcom_slim_ngd_power_up(struct qcom_slim_ngd_ctrl *ctrl) { … } static void qcom_slim_ngd_notify_slaves(struct qcom_slim_ngd_ctrl *ctrl) { … } static void qcom_slim_ngd_master_worker(struct work_struct *work) { … } static int qcom_slim_ngd_update_device_status(struct device *dev, void *null) { … } static int qcom_slim_ngd_runtime_resume(struct device *dev) { … } static int qcom_slim_ngd_enable(struct qcom_slim_ngd_ctrl *ctrl, bool enable) { … } static int qcom_slim_ngd_qmi_new_server(struct qmi_handle *hdl, struct qmi_service *service) { … } static void qcom_slim_ngd_qmi_del_server(struct qmi_handle *hdl, struct qmi_service *service) { … } static const struct qmi_ops qcom_slim_ngd_qmi_svc_event_ops = …; static int qcom_slim_ngd_qmi_svc_event_init(struct qcom_slim_ngd_ctrl *ctrl) { … } static void qcom_slim_ngd_qmi_svc_event_deinit(struct qcom_slim_ngd_qmi *qmi) { … } static struct platform_driver qcom_slim_ngd_driver; #define QCOM_SLIM_NGD_DRV_NAME … static const struct of_device_id qcom_slim_ngd_dt_match[] = …; MODULE_DEVICE_TABLE(of, qcom_slim_ngd_dt_match); static void qcom_slim_ngd_down(struct qcom_slim_ngd_ctrl *ctrl) { … } static void qcom_slim_ngd_up_worker(struct work_struct *work) { … } static int qcom_slim_ngd_ssr_pdr_notify(struct qcom_slim_ngd_ctrl *ctrl, unsigned long action) { … } static int qcom_slim_ngd_ssr_notify(struct notifier_block *nb, unsigned long action, void *data) { … } static void slim_pd_status(int state, char *svc_path, void *priv) { … } static int of_qcom_slim_ngd_register(struct device *parent, struct qcom_slim_ngd_ctrl *ctrl) { … } static int qcom_slim_ngd_probe(struct platform_device *pdev) { … } static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev) { … } static void qcom_slim_ngd_ctrl_remove(struct platform_device *pdev) { … } static void qcom_slim_ngd_remove(struct platform_device *pdev) { … } static int __maybe_unused qcom_slim_ngd_runtime_idle(struct device *dev) { … } static int __maybe_unused qcom_slim_ngd_runtime_suspend(struct device *dev) { … } static const struct dev_pm_ops qcom_slim_ngd_dev_pm_ops = …; static struct platform_driver qcom_slim_ngd_ctrl_driver = …; static struct platform_driver qcom_slim_ngd_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …;
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