Lines Matching full:cmdq
17 #include <linux/mailbox/mtk-cmdq-mailbox.h>
67 struct cmdq *cmdq; member
74 struct cmdq { struct
93 static void cmdq_sw_ddr_enable(struct cmdq *cmdq, bool enable) in cmdq_sw_ddr_enable() argument
95 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_sw_ddr_enable()
98 writel(GCE_DDR_EN | GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE); in cmdq_sw_ddr_enable()
100 writel(GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE); in cmdq_sw_ddr_enable()
102 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_sw_ddr_enable()
107 struct cmdq *cmdq = container_of(chan->mbox, struct cmdq, mbox); in cmdq_get_shift_pa() local
109 return cmdq->pdata->shift; in cmdq_get_shift_pa()
113 static int cmdq_thread_suspend(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_suspend() argument
125 dev_err(cmdq->mbox.dev, "suspend GCE thread 0x%x failed\n", in cmdq_thread_suspend()
126 (u32)(thread->base - cmdq->base)); in cmdq_thread_suspend()
138 static void cmdq_init(struct cmdq *cmdq) in cmdq_init() argument
143 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_init()
144 if (cmdq->pdata->control_by_sw) in cmdq_init()
146 if (cmdq->pdata->sw_ddr_en) in cmdq_init()
150 writel(gctl_regval, cmdq->base + GCE_GCTL_VALUE); in cmdq_init()
152 writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES); in cmdq_init()
154 writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE); in cmdq_init()
155 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_init()
158 static int cmdq_thread_reset(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_reset() argument
166 dev_err(cmdq->mbox.dev, "reset GCE thread 0x%x failed\n", in cmdq_thread_reset()
167 (u32)(thread->base - cmdq->base)); in cmdq_thread_reset()
174 static void cmdq_thread_disable(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_disable() argument
176 cmdq_thread_reset(cmdq, thread); in cmdq_thread_disable()
189 struct device *dev = task->cmdq->mbox.dev; in cmdq_task_insert_into_thread()
200 (task->pa_base >> task->cmdq->pdata->shift); in cmdq_task_insert_into_thread()
227 struct cmdq *cmdq = task->cmdq; in cmdq_task_handle_error() local
229 dev_err(cmdq->mbox.dev, "task 0x%p error\n", task); in cmdq_task_handle_error()
230 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_task_handle_error()
234 writel(next_task->pa_base >> cmdq->pdata->shift, in cmdq_task_handle_error()
239 static void cmdq_thread_irq_handler(struct cmdq *cmdq, in cmdq_thread_irq_handler() argument
265 curr_pa = readl(thread->base + CMDQ_THR_CURR_ADDR) << cmdq->pdata->shift; in cmdq_thread_irq_handler()
287 cmdq_thread_disable(cmdq, thread); in cmdq_thread_irq_handler()
288 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); 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()
315 struct cmdq *cmdq = dev_get_drvdata(dev); in cmdq_suspend() local
320 cmdq->suspended = true; in cmdq_suspend()
322 for (i = 0; i < cmdq->pdata->thread_nr; i++) { in cmdq_suspend()
323 thread = &cmdq->thread[i]; in cmdq_suspend()
333 if (cmdq->pdata->sw_ddr_en) in cmdq_suspend()
334 cmdq_sw_ddr_enable(cmdq, false); in cmdq_suspend()
336 clk_bulk_unprepare(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_suspend()
343 struct cmdq *cmdq = dev_get_drvdata(dev); in cmdq_resume() local
345 WARN_ON(clk_bulk_prepare(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_resume()
346 cmdq->suspended = false; in cmdq_resume()
348 if (cmdq->pdata->sw_ddr_en) in cmdq_resume()
349 cmdq_sw_ddr_enable(cmdq, true); in cmdq_resume()
356 struct cmdq *cmdq = platform_get_drvdata(pdev); in cmdq_remove() local
358 if (cmdq->pdata->sw_ddr_en) in cmdq_remove()
359 cmdq_sw_ddr_enable(cmdq, false); in cmdq_remove()
361 clk_bulk_unprepare(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_remove()
369 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev); in cmdq_mbox_send_data() local
374 WARN_ON(cmdq->suspended); in cmdq_mbox_send_data()
380 task->cmdq = cmdq; in cmdq_mbox_send_data()
387 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_mbox_send_data()
395 WARN_ON(cmdq_thread_reset(cmdq, thread) < 0); in cmdq_mbox_send_data()
397 writel(task->pa_base >> cmdq->pdata->shift, in cmdq_mbox_send_data()
399 writel((task->pa_base + pkt->cmd_buf_size) >> cmdq->pdata->shift, in cmdq_mbox_send_data()
406 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_mbox_send_data()
408 cmdq->pdata->shift; in cmdq_mbox_send_data()
410 cmdq->pdata->shift; in cmdq_mbox_send_data()
415 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()
438 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev); in cmdq_mbox_shutdown() local
446 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_mbox_shutdown()
449 cmdq_thread_irq_handler(cmdq, thread); in cmdq_mbox_shutdown()
459 cmdq_thread_disable(cmdq, thread); in cmdq_mbox_shutdown()
460 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_mbox_shutdown()
476 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev); in cmdq_mbox_flush() local
485 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0); in cmdq_mbox_flush()
499 cmdq_thread_disable(cmdq, thread); in cmdq_mbox_flush()
500 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks); in cmdq_mbox_flush()
511 dev_err(cmdq->mbox.dev, "Fail to wait GCE thread 0x%x done\n", in cmdq_mbox_flush()
512 (u32)(thread->base - cmdq->base)); in cmdq_mbox_flush()
545 struct cmdq *cmdq; in cmdq_probe() local
553 cmdq = devm_kzalloc(dev, sizeof(*cmdq), GFP_KERNEL); in cmdq_probe()
554 if (!cmdq) in cmdq_probe()
557 cmdq->base = devm_platform_ioremap_resource(pdev, 0); in cmdq_probe()
558 if (IS_ERR(cmdq->base)) in cmdq_probe()
559 return PTR_ERR(cmdq->base); in cmdq_probe()
561 cmdq->irq = platform_get_irq(pdev, 0); in cmdq_probe()
562 if (cmdq->irq < 0) in cmdq_probe()
563 return cmdq->irq; in cmdq_probe()
565 cmdq->pdata = device_get_match_data(dev); in cmdq_probe()
566 if (!cmdq->pdata) { in cmdq_probe()
571 cmdq->irq_mask = GENMASK(cmdq->pdata->thread_nr - 1, 0); in cmdq_probe()
573 dev_dbg(dev, "cmdq device: addr:0x%p, va:0x%p, irq:%d\n", in cmdq_probe()
574 dev, cmdq->base, cmdq->irq); in cmdq_probe()
576 if (cmdq->pdata->gce_num > 1) { in cmdq_probe()
579 if (alias_id >= 0 && alias_id < cmdq->pdata->gce_num) { in cmdq_probe()
580 cmdq->clocks[alias_id].id = clk_names[alias_id]; in cmdq_probe()
581 cmdq->clocks[alias_id].clk = of_clk_get(node, 0); in cmdq_probe()
582 if (IS_ERR(cmdq->clocks[alias_id].clk)) { in cmdq_probe()
585 PTR_ERR(cmdq->clocks[alias_id].clk), in cmdq_probe()
592 cmdq->clocks[alias_id].id = clk_name; in cmdq_probe()
593 cmdq->clocks[alias_id].clk = devm_clk_get(&pdev->dev, clk_name); in cmdq_probe()
594 if (IS_ERR(cmdq->clocks[alias_id].clk)) { in cmdq_probe()
595 return dev_err_probe(dev, PTR_ERR(cmdq->clocks[alias_id].clk), in cmdq_probe()
600 cmdq->mbox.dev = dev; in cmdq_probe()
601 cmdq->mbox.chans = devm_kcalloc(dev, cmdq->pdata->thread_nr, in cmdq_probe()
602 sizeof(*cmdq->mbox.chans), GFP_KERNEL); in cmdq_probe()
603 if (!cmdq->mbox.chans) in cmdq_probe()
606 cmdq->mbox.num_chans = cmdq->pdata->thread_nr; in cmdq_probe()
607 cmdq->mbox.ops = &cmdq_mbox_chan_ops; in cmdq_probe()
608 cmdq->mbox.of_xlate = cmdq_xlate; in cmdq_probe()
611 cmdq->mbox.txdone_irq = false; in cmdq_probe()
612 cmdq->mbox.txdone_poll = false; in cmdq_probe()
614 cmdq->thread = devm_kcalloc(dev, cmdq->pdata->thread_nr, in cmdq_probe()
615 sizeof(*cmdq->thread), GFP_KERNEL); in cmdq_probe()
616 if (!cmdq->thread) in cmdq_probe()
619 for (i = 0; i < cmdq->pdata->thread_nr; i++) { in cmdq_probe()
620 cmdq->thread[i].base = cmdq->base + CMDQ_THR_BASE + in cmdq_probe()
622 INIT_LIST_HEAD(&cmdq->thread[i].task_busy_list); in cmdq_probe()
623 cmdq->mbox.chans[i].con_priv = (void *)&cmdq->thread[i]; in cmdq_probe()
626 platform_set_drvdata(pdev, cmdq); in cmdq_probe()
628 WARN_ON(clk_bulk_prepare(cmdq->pdata->gce_num, cmdq->clocks)); in cmdq_probe()
630 cmdq_init(cmdq); in cmdq_probe()
632 err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED, in cmdq_probe()
633 "mtk_cmdq", cmdq); in cmdq_probe()
639 err = devm_mbox_controller_register(dev, &cmdq->mbox); in cmdq_probe()