// SPDX-License-Identifier: GPL-2.0 // // Copyright (c) 2018 MediaTek Inc. #include <linux/bitops.h> #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/dma-mapping.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/mailbox_controller.h> #include <linux/mailbox/mtk-cmdq-mailbox.h> #include <linux/of.h> #define CMDQ_MBOX_AUTOSUSPEND_DELAY_MS … #define CMDQ_OP_CODE_MASK … #define CMDQ_NUM_CMD(t) … #define CMDQ_CURR_IRQ_STATUS … #define CMDQ_SYNC_TOKEN_UPDATE … #define CMDQ_THR_SLOT_CYCLES … #define CMDQ_THR_BASE … #define CMDQ_THR_SIZE … #define CMDQ_THR_WARM_RESET … #define CMDQ_THR_ENABLE_TASK … #define CMDQ_THR_SUSPEND_TASK … #define CMDQ_THR_CURR_STATUS … #define CMDQ_THR_IRQ_STATUS … #define CMDQ_THR_IRQ_ENABLE … #define CMDQ_THR_CURR_ADDR … #define CMDQ_THR_END_ADDR … #define CMDQ_THR_WAIT_TOKEN … #define CMDQ_THR_PRIORITY … #define GCE_GCTL_VALUE … #define GCE_CTRL_BY_SW … #define GCE_DDR_EN … #define CMDQ_THR_ACTIVE_SLOT_CYCLES … #define CMDQ_THR_ENABLED … #define CMDQ_THR_DISABLED … #define CMDQ_THR_SUSPEND … #define CMDQ_THR_RESUME … #define CMDQ_THR_STATUS_SUSPENDED … #define CMDQ_THR_DO_WARM_RESET … #define CMDQ_THR_IRQ_DONE … #define CMDQ_THR_IRQ_ERROR … #define CMDQ_THR_IRQ_EN … #define CMDQ_THR_IS_WAITING … #define CMDQ_JUMP_BY_OFFSET … #define CMDQ_JUMP_BY_PA … struct cmdq_thread { … }; struct cmdq_task { … }; struct cmdq { … }; struct gce_plat { … }; static void cmdq_sw_ddr_enable(struct cmdq *cmdq, bool enable) { … } u8 cmdq_get_shift_pa(struct mbox_chan *chan) { … } EXPORT_SYMBOL(…); static int cmdq_thread_suspend(struct cmdq *cmdq, struct cmdq_thread *thread) { … } static void cmdq_thread_resume(struct cmdq_thread *thread) { … } static void cmdq_init(struct cmdq *cmdq) { … } static int cmdq_thread_reset(struct cmdq *cmdq, struct cmdq_thread *thread) { … } static void cmdq_thread_disable(struct cmdq *cmdq, struct cmdq_thread *thread) { … } /* notify GCE to re-fetch commands by setting GCE thread PC */ static void cmdq_thread_invalidate_fetched_data(struct cmdq_thread *thread) { … } static void cmdq_task_insert_into_thread(struct cmdq_task *task) { … } static bool cmdq_thread_is_in_wfe(struct cmdq_thread *thread) { … } static void cmdq_task_exec_done(struct cmdq_task *task, int sta) { … } static void cmdq_task_handle_error(struct cmdq_task *task) { … } static void cmdq_thread_irq_handler(struct cmdq *cmdq, struct cmdq_thread *thread) { … } static irqreturn_t cmdq_irq_handler(int irq, void *dev) { … } static int cmdq_runtime_resume(struct device *dev) { … } static int cmdq_runtime_suspend(struct device *dev) { … } static int cmdq_suspend(struct device *dev) { … } static int cmdq_resume(struct device *dev) { … } static void cmdq_remove(struct platform_device *pdev) { … } static int cmdq_mbox_send_data(struct mbox_chan *chan, void *data) { … } static int cmdq_mbox_startup(struct mbox_chan *chan) { … } static void cmdq_mbox_shutdown(struct mbox_chan *chan) { … } static int cmdq_mbox_flush(struct mbox_chan *chan, unsigned long timeout) { … } static const struct mbox_chan_ops cmdq_mbox_chan_ops = …; static struct mbox_chan *cmdq_xlate(struct mbox_controller *mbox, const struct of_phandle_args *sp) { … } static int cmdq_get_clocks(struct device *dev, struct cmdq *cmdq) { … } static int cmdq_probe(struct platform_device *pdev) { … } static const struct dev_pm_ops cmdq_pm_ops = …; static const struct gce_plat gce_plat_mt6779 = …; static const struct gce_plat gce_plat_mt8173 = …; static const struct gce_plat gce_plat_mt8183 = …; static const struct gce_plat gce_plat_mt8186 = …; static const struct gce_plat gce_plat_mt8188 = …; static const struct gce_plat gce_plat_mt8192 = …; static const struct gce_plat gce_plat_mt8195 = …; static const struct of_device_id cmdq_of_ids[] = …; MODULE_DEVICE_TABLE(of, cmdq_of_ids); static struct platform_driver cmdq_drv = …; static int __init cmdq_drv_init(void) { … } static void __exit cmdq_drv_exit(void) { … } subsys_initcall(cmdq_drv_init); module_exit(cmdq_drv_exit); MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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