Lines Matching full:cmdq

18 #include <linux/mailbox/mtk-cmdq-mailbox.h>
69 struct cmdq *cmdq; member
76 struct cmdq { struct
95 static void cmdq_sw_ddr_enable(struct cmdq *cmdq, bool enable) in cmdq_sw_ddr_enable() argument
97 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_sw_ddr_enable()
100 writel(GCE_DDR_EN | GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE); in cmdq_sw_ddr_enable()
102 writel(GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE); in cmdq_sw_ddr_enable()
104 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_sw_ddr_enable()
109 struct cmdq *cmdq = container_of(chan->mbox, struct cmdq, mbox); in cmdq_get_shift_pa() local
111 return cmdq->pdata->shift; in cmdq_get_shift_pa()
115 static int cmdq_thread_suspend(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_suspend() argument
127 dev_err(cmdq->mbox.dev, "suspend GCE thread 0x%x failed\n", in cmdq_thread_suspend()
128 (u32)(thread->base - cmdq->base)); in cmdq_thread_suspend()
140 static void cmdq_init(struct cmdq *cmdq) in cmdq_init() argument
145 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_init()
146 if (cmdq->pdata->control_by_sw) in cmdq_init()
148 if (cmdq->pdata->sw_ddr_en) in cmdq_init()
152 writel(gctl_regval, cmdq->base + GCE_GCTL_VALUE); in cmdq_init()
154 writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES); in cmdq_init()
156 writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE); in cmdq_init()
157 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_init()
160 static int cmdq_thread_reset(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_reset() argument
168 dev_err(cmdq->mbox.dev, "reset GCE thread 0x%x failed\n", in cmdq_thread_reset()
169 (u32)(thread->base - cmdq->base)); in cmdq_thread_reset()
176 static void cmdq_thread_disable(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_disable() argument
178 cmdq_thread_reset(cmdq, thread); in cmdq_thread_disable()
191 struct device *dev = task->cmdq->mbox.dev; in cmdq_task_insert_into_thread()
202 (task->pa_base >> task->cmdq->pdata->shift); in cmdq_task_insert_into_thread()
229 struct cmdq *cmdq = task->cmdq; in cmdq_task_handle_error() local
231 dev_err(cmdq->mbox.dev, "task 0x%p error\n", task); in cmdq_task_handle_error()
232 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_task_handle_error()
236 writel(next_task->pa_base >> cmdq->pdata->shift, in cmdq_task_handle_error()
241 static void cmdq_thread_irq_handler(struct cmdq *cmdq, in cmdq_thread_irq_handler() argument
267 curr_pa = readl(thread->base + CMDQ_THR_CURR_ADDR) << cmdq->pdata->shift; in cmdq_thread_irq_handler()
289 cmdq_thread_disable(cmdq, thread); in cmdq_thread_irq_handler()
294 struct cmdq *cmdq = dev; in cmdq_irq_handler() local
298 irq_status = readl(cmdq->base + CMDQ_CURR_IRQ_STATUS) & cmdq->irq_mask; in cmdq_irq_handler()
299 if (!(irq_status ^ cmdq->irq_mask)) in cmdq_irq_handler()
302 for_each_clear_bit(bit, &irq_status, cmdq->pdata->thread_nr) { in cmdq_irq_handler()
303 struct cmdq_thread *thread = &cmdq->thread[bit]; in cmdq_irq_handler()
306 cmdq_thread_irq_handler(cmdq, thread); in cmdq_irq_handler()
310 pm_runtime_mark_last_busy(cmdq->mbox.dev); in cmdq_irq_handler()
317 struct cmdq *cmdq = dev_get_drvdata(dev); in cmdq_runtime_resume() local
319 return clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_runtime_resume()
324 struct cmdq *cmdq = dev_get_drvdata(dev); in cmdq_runtime_suspend() local
326 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_runtime_suspend()
332 struct cmdq *cmdq = dev_get_drvdata(dev); in cmdq_suspend() local
337 cmdq->suspended = true; in cmdq_suspend()
339 for (i = 0; i < cmdq->pdata->thread_nr; i++) { in cmdq_suspend()
340 thread = &cmdq->thread[i]; in cmdq_suspend()
350 if (cmdq->pdata->sw_ddr_en) in cmdq_suspend()
351 cmdq_sw_ddr_enable(cmdq, false); in cmdq_suspend()
358 struct cmdq *cmdq = dev_get_drvdata(dev); in cmdq_resume() local
361 cmdq->suspended = false; in cmdq_resume()
363 if (cmdq->pdata->sw_ddr_en) in cmdq_resume()
364 cmdq_sw_ddr_enable(cmdq, true); in cmdq_resume()
371 struct cmdq *cmdq = platform_get_drvdata(pdev); in cmdq_remove() local
373 if (cmdq->pdata->sw_ddr_en) in cmdq_remove()
374 cmdq_sw_ddr_enable(cmdq, false); in cmdq_remove()
379 clk_bulk_unprepare(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_remove()
386 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev); in cmdq_mbox_send_data() local
392 WARN_ON(cmdq->suspended); in cmdq_mbox_send_data()
394 ret = pm_runtime_get_sync(cmdq->mbox.dev); in cmdq_mbox_send_data()
400 __pm_runtime_put_autosuspend(cmdq->mbox.dev); in cmdq_mbox_send_data()
404 task->cmdq = cmdq; in cmdq_mbox_send_data()
417 WARN_ON(cmdq_thread_reset(cmdq, thread) < 0); in cmdq_mbox_send_data()
419 writel(task->pa_base >> cmdq->pdata->shift, in cmdq_mbox_send_data()
421 writel((task->pa_base + pkt->cmd_buf_size) >> cmdq->pdata->shift, in cmdq_mbox_send_data()
428 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_mbox_send_data()
430 cmdq->pdata->shift; in cmdq_mbox_send_data()
432 cmdq->pdata->shift; in cmdq_mbox_send_data()
437 writel(task->pa_base >> cmdq->pdata->shift, in cmdq_mbox_send_data()
443 writel((task->pa_base + pkt->cmd_buf_size) >> cmdq->pdata->shift, in cmdq_mbox_send_data()
449 pm_runtime_mark_last_busy(cmdq->mbox.dev); in cmdq_mbox_send_data()
450 __pm_runtime_put_autosuspend(cmdq->mbox.dev); in cmdq_mbox_send_data()
463 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev); in cmdq_mbox_shutdown() local
467 WARN_ON(pm_runtime_get_sync(cmdq->mbox.dev) < 0); in cmdq_mbox_shutdown()
473 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_mbox_shutdown()
476 cmdq_thread_irq_handler(cmdq, thread); in cmdq_mbox_shutdown()
486 cmdq_thread_disable(cmdq, thread); in cmdq_mbox_shutdown()
497 pm_runtime_mark_last_busy(cmdq->mbox.dev); in cmdq_mbox_shutdown()
498 __pm_runtime_put_autosuspend(cmdq->mbox.dev); in cmdq_mbox_shutdown()
505 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev); in cmdq_mbox_flush() local
511 ret = pm_runtime_get_sync(cmdq->mbox.dev); in cmdq_mbox_flush()
519 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_mbox_flush()
533 cmdq_thread_disable(cmdq, thread); in cmdq_mbox_flush()
537 pm_runtime_mark_last_busy(cmdq->mbox.dev); in cmdq_mbox_flush()
538 __pm_runtime_put_autosuspend(cmdq->mbox.dev); in cmdq_mbox_flush()
547 dev_err(cmdq->mbox.dev, "Fail to wait GCE thread 0x%x done\n", in cmdq_mbox_flush()
548 (u32)(thread->base - cmdq->base)); in cmdq_mbox_flush()
552 pm_runtime_mark_last_busy(cmdq->mbox.dev); in cmdq_mbox_flush()
553 __pm_runtime_put_autosuspend(cmdq->mbox.dev); in cmdq_mbox_flush()
580 static int cmdq_get_clocks(struct device *dev, struct cmdq *cmdq) in cmdq_get_clocks() argument
586 cmdq->clocks = devm_kcalloc(dev, cmdq->pdata->gce_num, in cmdq_get_clocks()
587 sizeof(*cmdq->clocks), GFP_KERNEL); in cmdq_get_clocks()
588 if (!cmdq->clocks) in cmdq_get_clocks()
591 if (cmdq->pdata->gce_num == 1) { in cmdq_get_clocks()
592 clks = &cmdq->clocks[0]; in cmdq_get_clocks()
611 if (alias_id < 0 || alias_id >= cmdq->pdata->gce_num) in cmdq_get_clocks()
614 clks = &cmdq->clocks[alias_id]; in cmdq_get_clocks()
636 struct cmdq *cmdq; in cmdq_probe() local
639 cmdq = devm_kzalloc(dev, sizeof(*cmdq), GFP_KERNEL); in cmdq_probe()
640 if (!cmdq) in cmdq_probe()
643 cmdq->base = devm_platform_ioremap_resource(pdev, 0); in cmdq_probe()
644 if (IS_ERR(cmdq->base)) in cmdq_probe()
645 return PTR_ERR(cmdq->base); in cmdq_probe()
647 cmdq->irq = platform_get_irq(pdev, 0); in cmdq_probe()
648 if (cmdq->irq < 0) in cmdq_probe()
649 return cmdq->irq; in cmdq_probe()
651 cmdq->pdata = device_get_match_data(dev); in cmdq_probe()
652 if (!cmdq->pdata) { in cmdq_probe()
657 cmdq->irq_mask = GENMASK(cmdq->pdata->thread_nr - 1, 0); in cmdq_probe()
659 dev_dbg(dev, "cmdq device: addr:0x%p, va:0x%p, irq:%d\n", in cmdq_probe()
660 dev, cmdq->base, cmdq->irq); in cmdq_probe()
662 err = cmdq_get_clocks(dev, cmdq); in cmdq_probe()
666 cmdq->mbox.dev = dev; in cmdq_probe()
667 cmdq->mbox.chans = devm_kcalloc(dev, cmdq->pdata->thread_nr, in cmdq_probe()
668 sizeof(*cmdq->mbox.chans), GFP_KERNEL); in cmdq_probe()
669 if (!cmdq->mbox.chans) in cmdq_probe()
672 cmdq->mbox.num_chans = cmdq->pdata->thread_nr; in cmdq_probe()
673 cmdq->mbox.ops = &cmdq_mbox_chan_ops; in cmdq_probe()
674 cmdq->mbox.of_xlate = cmdq_xlate; in cmdq_probe()
677 cmdq->mbox.txdone_irq = false; in cmdq_probe()
678 cmdq->mbox.txdone_poll = false; in cmdq_probe()
680 cmdq->thread = devm_kcalloc(dev, cmdq->pdata->thread_nr, in cmdq_probe()
681 sizeof(*cmdq->thread), GFP_KERNEL); in cmdq_probe()
682 if (!cmdq->thread) in cmdq_probe()
685 for (i = 0; i < cmdq->pdata->thread_nr; i++) { in cmdq_probe()
686 cmdq->thread[i].base = cmdq->base + CMDQ_THR_BASE + in cmdq_probe()
688 INIT_LIST_HEAD(&cmdq->thread[i].task_busy_list); in cmdq_probe()
689 cmdq->mbox.chans[i].con_priv = (void *)&cmdq->thread[i]; in cmdq_probe()
692 platform_set_drvdata(pdev, cmdq); in cmdq_probe()
694 WARN_ON(clk_bulk_prepare(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_probe()
696 cmdq_init(cmdq); in cmdq_probe()
698 err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED, in cmdq_probe()
699 "mtk_cmdq", cmdq); in cmdq_probe()
719 err = devm_mbox_controller_register(dev, &cmdq->mbox); in cmdq_probe()
820 MODULE_DESCRIPTION("Mediatek Command Queue(CMDQ) Mailbox driver");