1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (c) 2018 MediaTek Inc.
5 #include <linux/bitops.h>
7 #include <linux/clk-provider.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/errno.h>
10 #include <linux/interrupt.h>
12 #include <linux/iopoll.h>
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/pm_runtime.h>
17 #include <linux/mailbox_controller.h>
18 #include <linux/mailbox/mtk-cmdq-mailbox.h>
21 #define CMDQ_MBOX_AUTOSUSPEND_DELAY_MS 100
23 #define CMDQ_OP_CODE_MASK (0xff << CMDQ_OP_CODE_SHIFT)
24 #define CMDQ_NUM_CMD(t) (t->cmd_buf_size / CMDQ_INST_SIZE)
25 #define CMDQ_GCE_NUM_MAX (2)
27 #define CMDQ_CURR_IRQ_STATUS 0x10
28 #define CMDQ_SYNC_TOKEN_UPDATE 0x68
29 #define CMDQ_THR_SLOT_CYCLES 0x30
30 #define CMDQ_THR_BASE 0x100
31 #define CMDQ_THR_SIZE 0x80
32 #define CMDQ_THR_WARM_RESET 0x00
33 #define CMDQ_THR_ENABLE_TASK 0x04
34 #define CMDQ_THR_SUSPEND_TASK 0x08
35 #define CMDQ_THR_CURR_STATUS 0x0c
36 #define CMDQ_THR_IRQ_STATUS 0x10
37 #define CMDQ_THR_IRQ_ENABLE 0x14
38 #define CMDQ_THR_CURR_ADDR 0x20
39 #define CMDQ_THR_END_ADDR 0x24
40 #define CMDQ_THR_WAIT_TOKEN 0x30
41 #define CMDQ_THR_PRIORITY 0x40
43 #define GCE_GCTL_VALUE 0x48
44 #define GCE_CTRL_BY_SW GENMASK(2, 0)
45 #define GCE_DDR_EN GENMASK(18, 16)
47 #define CMDQ_THR_ACTIVE_SLOT_CYCLES 0x3200
48 #define CMDQ_THR_ENABLED 0x1
49 #define CMDQ_THR_DISABLED 0x0
50 #define CMDQ_THR_SUSPEND 0x1
51 #define CMDQ_THR_RESUME 0x0
52 #define CMDQ_THR_STATUS_SUSPENDED BIT(1)
53 #define CMDQ_THR_DO_WARM_RESET BIT(0)
54 #define CMDQ_THR_IRQ_DONE 0x1
55 #define CMDQ_THR_IRQ_ERROR 0x12
56 #define CMDQ_THR_IRQ_EN (CMDQ_THR_IRQ_ERROR | CMDQ_THR_IRQ_DONE)
57 #define CMDQ_THR_IS_WAITING BIT(31)
59 #define CMDQ_JUMP_BY_OFFSET 0x10000000
60 #define CMDQ_JUMP_BY_PA 0x10000001
63 struct mbox_chan *chan;
65 struct list_head task_busy_list;
71 struct list_head list_entry;
73 struct cmdq_thread *thread;
74 struct cmdq_pkt *pkt; /* the packet sent from mailbox client */
78 struct mbox_controller mbox;
82 const struct gce_plat *pdata;
83 struct cmdq_thread *thread;
84 struct clk_bulk_data clocks[CMDQ_GCE_NUM_MAX];
96 static void cmdq_sw_ddr_enable(struct cmdq *cmdq, bool enable)
98 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks));
101 writel(GCE_DDR_EN | GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE);
103 writel(GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE);
105 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks);
108 u8 cmdq_get_shift_pa(struct mbox_chan *chan)
110 struct cmdq *cmdq = container_of(chan->mbox, struct cmdq, mbox);
112 return cmdq->pdata->shift;
114 EXPORT_SYMBOL(cmdq_get_shift_pa);
116 static int cmdq_thread_suspend(struct cmdq *cmdq, struct cmdq_thread *thread)
120 writel(CMDQ_THR_SUSPEND, thread->base + CMDQ_THR_SUSPEND_TASK);
122 /* If already disabled, treat as suspended successful. */
123 if (!(readl(thread->base + CMDQ_THR_ENABLE_TASK) & CMDQ_THR_ENABLED))
126 if (readl_poll_timeout_atomic(thread->base + CMDQ_THR_CURR_STATUS,
127 status, status & CMDQ_THR_STATUS_SUSPENDED, 0, 10)) {
128 dev_err(cmdq->mbox.dev, "suspend GCE thread 0x%x failed\n",
129 (u32)(thread->base - cmdq->base));
136 static void cmdq_thread_resume(struct cmdq_thread *thread)
138 writel(CMDQ_THR_RESUME, thread->base + CMDQ_THR_SUSPEND_TASK);
141 static void cmdq_init(struct cmdq *cmdq)
146 WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks));
147 if (cmdq->pdata->control_by_sw)
148 gctl_regval = GCE_CTRL_BY_SW;
149 if (cmdq->pdata->sw_ddr_en)
150 gctl_regval |= GCE_DDR_EN;
153 writel(gctl_regval, cmdq->base + GCE_GCTL_VALUE);
155 writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES);
156 for (i = 0; i <= CMDQ_MAX_EVENT; i++)
157 writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE);
158 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks);
161 static int cmdq_thread_reset(struct cmdq *cmdq, struct cmdq_thread *thread)
165 writel(CMDQ_THR_DO_WARM_RESET, thread->base + CMDQ_THR_WARM_RESET);
166 if (readl_poll_timeout_atomic(thread->base + CMDQ_THR_WARM_RESET,
167 warm_reset, !(warm_reset & CMDQ_THR_DO_WARM_RESET),
169 dev_err(cmdq->mbox.dev, "reset GCE thread 0x%x failed\n",
170 (u32)(thread->base - cmdq->base));
177 static void cmdq_thread_disable(struct cmdq *cmdq, struct cmdq_thread *thread)
179 cmdq_thread_reset(cmdq, thread);
180 writel(CMDQ_THR_DISABLED, thread->base + CMDQ_THR_ENABLE_TASK);
183 /* notify GCE to re-fetch commands by setting GCE thread PC */
184 static void cmdq_thread_invalidate_fetched_data(struct cmdq_thread *thread)
186 writel(readl(thread->base + CMDQ_THR_CURR_ADDR),
187 thread->base + CMDQ_THR_CURR_ADDR);
190 static void cmdq_task_insert_into_thread(struct cmdq_task *task)
192 struct device *dev = task->cmdq->mbox.dev;
193 struct cmdq_thread *thread = task->thread;
194 struct cmdq_task *prev_task = list_last_entry(
195 &thread->task_busy_list, typeof(*task), list_entry);
196 u64 *prev_task_base = prev_task->pkt->va_base;
198 /* let previous task jump to this task */
199 dma_sync_single_for_cpu(dev, prev_task->pa_base,
200 prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
201 prev_task_base[CMDQ_NUM_CMD(prev_task->pkt) - 1] =
202 (u64)CMDQ_JUMP_BY_PA << 32 |
203 (task->pa_base >> task->cmdq->pdata->shift);
204 dma_sync_single_for_device(dev, prev_task->pa_base,
205 prev_task->pkt->cmd_buf_size, DMA_TO_DEVICE);
207 cmdq_thread_invalidate_fetched_data(thread);
210 static bool cmdq_thread_is_in_wfe(struct cmdq_thread *thread)
212 return readl(thread->base + CMDQ_THR_WAIT_TOKEN) & CMDQ_THR_IS_WAITING;
215 static void cmdq_task_exec_done(struct cmdq_task *task, int sta)
217 struct cmdq_cb_data data;
220 data.pkt = task->pkt;
221 mbox_chan_received_data(task->thread->chan, &data);
223 list_del(&task->list_entry);
226 static void cmdq_task_handle_error(struct cmdq_task *task)
228 struct cmdq_thread *thread = task->thread;
229 struct cmdq_task *next_task;
230 struct cmdq *cmdq = task->cmdq;
232 dev_err(cmdq->mbox.dev, "task 0x%p error\n", task);
233 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0);
234 next_task = list_first_entry_or_null(&thread->task_busy_list,
235 struct cmdq_task, list_entry);
237 writel(next_task->pa_base >> cmdq->pdata->shift,
238 thread->base + CMDQ_THR_CURR_ADDR);
239 cmdq_thread_resume(thread);
242 static void cmdq_thread_irq_handler(struct cmdq *cmdq,
243 struct cmdq_thread *thread)
245 struct cmdq_task *task, *tmp, *curr_task = NULL;
246 u32 curr_pa, irq_flag, task_end_pa;
249 irq_flag = readl(thread->base + CMDQ_THR_IRQ_STATUS);
250 writel(~irq_flag, thread->base + CMDQ_THR_IRQ_STATUS);
253 * When ISR call this function, another CPU core could run
254 * "release task" right before we acquire the spin lock, and thus
255 * reset / disable this GCE thread, so we need to check the enable
256 * bit of this GCE thread.
258 if (!(readl(thread->base + CMDQ_THR_ENABLE_TASK) & CMDQ_THR_ENABLED))
261 if (irq_flag & CMDQ_THR_IRQ_ERROR)
263 else if (irq_flag & CMDQ_THR_IRQ_DONE)
268 curr_pa = readl(thread->base + CMDQ_THR_CURR_ADDR) << cmdq->pdata->shift;
270 list_for_each_entry_safe(task, tmp, &thread->task_busy_list,
272 task_end_pa = task->pa_base + task->pkt->cmd_buf_size;
273 if (curr_pa >= task->pa_base && curr_pa < task_end_pa)
276 if (!curr_task || curr_pa == task_end_pa - CMDQ_INST_SIZE) {
277 cmdq_task_exec_done(task, 0);
280 cmdq_task_exec_done(task, -ENOEXEC);
281 cmdq_task_handle_error(curr_task);
289 if (list_empty(&thread->task_busy_list))
290 cmdq_thread_disable(cmdq, thread);
293 static irqreturn_t cmdq_irq_handler(int irq, void *dev)
295 struct cmdq *cmdq = dev;
296 unsigned long irq_status, flags = 0L;
299 irq_status = readl(cmdq->base + CMDQ_CURR_IRQ_STATUS) & cmdq->irq_mask;
300 if (!(irq_status ^ cmdq->irq_mask))
303 for_each_clear_bit(bit, &irq_status, cmdq->pdata->thread_nr) {
304 struct cmdq_thread *thread = &cmdq->thread[bit];
306 spin_lock_irqsave(&thread->chan->lock, flags);
307 cmdq_thread_irq_handler(cmdq, thread);
308 spin_unlock_irqrestore(&thread->chan->lock, flags);
311 pm_runtime_mark_last_busy(cmdq->mbox.dev);
316 static int cmdq_runtime_resume(struct device *dev)
318 struct cmdq *cmdq = dev_get_drvdata(dev);
320 return clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks);
323 static int cmdq_runtime_suspend(struct device *dev)
325 struct cmdq *cmdq = dev_get_drvdata(dev);
327 clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks);
331 static int cmdq_suspend(struct device *dev)
333 struct cmdq *cmdq = dev_get_drvdata(dev);
334 struct cmdq_thread *thread;
336 bool task_running = false;
338 cmdq->suspended = true;
340 for (i = 0; i < cmdq->pdata->thread_nr; i++) {
341 thread = &cmdq->thread[i];
342 if (!list_empty(&thread->task_busy_list)) {
349 dev_warn(dev, "exist running task(s) in suspend\n");
351 if (cmdq->pdata->sw_ddr_en)
352 cmdq_sw_ddr_enable(cmdq, false);
354 return pm_runtime_force_suspend(dev);
357 static int cmdq_resume(struct device *dev)
359 struct cmdq *cmdq = dev_get_drvdata(dev);
361 WARN_ON(pm_runtime_force_resume(dev));
362 cmdq->suspended = false;
364 if (cmdq->pdata->sw_ddr_en)
365 cmdq_sw_ddr_enable(cmdq, true);
370 static int cmdq_remove(struct platform_device *pdev)
372 struct cmdq *cmdq = platform_get_drvdata(pdev);
374 if (cmdq->pdata->sw_ddr_en)
375 cmdq_sw_ddr_enable(cmdq, false);
377 if (!IS_ENABLED(CONFIG_PM))
378 cmdq_runtime_suspend(&pdev->dev);
380 clk_bulk_unprepare(cmdq->pdata->gce_num, cmdq->clocks);
384 static int cmdq_mbox_send_data(struct mbox_chan *chan, void *data)
386 struct cmdq_pkt *pkt = (struct cmdq_pkt *)data;
387 struct cmdq_thread *thread = (struct cmdq_thread *)chan->con_priv;
388 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev);
389 struct cmdq_task *task;
390 unsigned long curr_pa, end_pa;
393 /* Client should not flush new tasks if suspended. */
394 WARN_ON(cmdq->suspended);
396 ret = pm_runtime_get_sync(cmdq->mbox.dev);
400 task = kzalloc(sizeof(*task), GFP_ATOMIC);
402 pm_runtime_put_autosuspend(cmdq->mbox.dev);
407 INIT_LIST_HEAD(&task->list_entry);
408 task->pa_base = pkt->pa_base;
409 task->thread = thread;
412 if (list_empty(&thread->task_busy_list)) {
414 * The thread reset will clear thread related register to 0,
415 * including pc, end, priority, irq, suspend and enable. Thus
416 * set CMDQ_THR_ENABLED to CMDQ_THR_ENABLE_TASK will enable
417 * thread and make it running.
419 WARN_ON(cmdq_thread_reset(cmdq, thread) < 0);
421 writel(task->pa_base >> cmdq->pdata->shift,
422 thread->base + CMDQ_THR_CURR_ADDR);
423 writel((task->pa_base + pkt->cmd_buf_size) >> cmdq->pdata->shift,
424 thread->base + CMDQ_THR_END_ADDR);
426 writel(thread->priority, thread->base + CMDQ_THR_PRIORITY);
427 writel(CMDQ_THR_IRQ_EN, thread->base + CMDQ_THR_IRQ_ENABLE);
428 writel(CMDQ_THR_ENABLED, thread->base + CMDQ_THR_ENABLE_TASK);
430 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0);
431 curr_pa = readl(thread->base + CMDQ_THR_CURR_ADDR) <<
433 end_pa = readl(thread->base + CMDQ_THR_END_ADDR) <<
436 if (curr_pa == end_pa - CMDQ_INST_SIZE ||
438 /* set to this task directly */
439 writel(task->pa_base >> cmdq->pdata->shift,
440 thread->base + CMDQ_THR_CURR_ADDR);
442 cmdq_task_insert_into_thread(task);
443 smp_mb(); /* modify jump before enable thread */
445 writel((task->pa_base + pkt->cmd_buf_size) >> cmdq->pdata->shift,
446 thread->base + CMDQ_THR_END_ADDR);
447 cmdq_thread_resume(thread);
449 list_move_tail(&task->list_entry, &thread->task_busy_list);
451 pm_runtime_mark_last_busy(cmdq->mbox.dev);
452 pm_runtime_put_autosuspend(cmdq->mbox.dev);
457 static int cmdq_mbox_startup(struct mbox_chan *chan)
462 static void cmdq_mbox_shutdown(struct mbox_chan *chan)
464 struct cmdq_thread *thread = (struct cmdq_thread *)chan->con_priv;
465 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev);
466 struct cmdq_task *task, *tmp;
469 WARN_ON(pm_runtime_get_sync(cmdq->mbox.dev));
471 spin_lock_irqsave(&thread->chan->lock, flags);
472 if (list_empty(&thread->task_busy_list))
475 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0);
477 /* make sure executed tasks have success callback */
478 cmdq_thread_irq_handler(cmdq, thread);
479 if (list_empty(&thread->task_busy_list))
482 list_for_each_entry_safe(task, tmp, &thread->task_busy_list,
484 cmdq_task_exec_done(task, -ECONNABORTED);
488 cmdq_thread_disable(cmdq, thread);
492 * The thread->task_busy_list empty means thread already disable. The
493 * cmdq_mbox_send_data() always reset thread which clear disable and
494 * suspend statue when first pkt send to channel, so there is no need
495 * to do any operation here, only unlock and leave.
497 spin_unlock_irqrestore(&thread->chan->lock, flags);
499 pm_runtime_mark_last_busy(cmdq->mbox.dev);
500 pm_runtime_put_autosuspend(cmdq->mbox.dev);
503 static int cmdq_mbox_flush(struct mbox_chan *chan, unsigned long timeout)
505 struct cmdq_thread *thread = (struct cmdq_thread *)chan->con_priv;
506 struct cmdq_cb_data data;
507 struct cmdq *cmdq = dev_get_drvdata(chan->mbox->dev);
508 struct cmdq_task *task, *tmp;
513 ret = pm_runtime_get_sync(cmdq->mbox.dev);
517 spin_lock_irqsave(&thread->chan->lock, flags);
518 if (list_empty(&thread->task_busy_list))
521 WARN_ON(cmdq_thread_suspend(cmdq, thread) < 0);
522 if (!cmdq_thread_is_in_wfe(thread))
525 list_for_each_entry_safe(task, tmp, &thread->task_busy_list,
527 data.sta = -ECONNABORTED;
528 data.pkt = task->pkt;
529 mbox_chan_received_data(task->thread->chan, &data);
530 list_del(&task->list_entry);
534 cmdq_thread_resume(thread);
535 cmdq_thread_disable(cmdq, thread);
538 spin_unlock_irqrestore(&thread->chan->lock, flags);
539 pm_runtime_mark_last_busy(cmdq->mbox.dev);
540 pm_runtime_put_autosuspend(cmdq->mbox.dev);
545 cmdq_thread_resume(thread);
546 spin_unlock_irqrestore(&thread->chan->lock, flags);
547 if (readl_poll_timeout_atomic(thread->base + CMDQ_THR_ENABLE_TASK,
548 enable, enable == 0, 1, timeout)) {
549 dev_err(cmdq->mbox.dev, "Fail to wait GCE thread 0x%x done\n",
550 (u32)(thread->base - cmdq->base));
554 pm_runtime_mark_last_busy(cmdq->mbox.dev);
555 pm_runtime_put_autosuspend(cmdq->mbox.dev);
559 static const struct mbox_chan_ops cmdq_mbox_chan_ops = {
560 .send_data = cmdq_mbox_send_data,
561 .startup = cmdq_mbox_startup,
562 .shutdown = cmdq_mbox_shutdown,
563 .flush = cmdq_mbox_flush,
566 static struct mbox_chan *cmdq_xlate(struct mbox_controller *mbox,
567 const struct of_phandle_args *sp)
569 int ind = sp->args[0];
570 struct cmdq_thread *thread;
572 if (ind >= mbox->num_chans)
573 return ERR_PTR(-EINVAL);
575 thread = (struct cmdq_thread *)mbox->chans[ind].con_priv;
576 thread->priority = sp->args[1];
577 thread->chan = &mbox->chans[ind];
579 return &mbox->chans[ind];
582 static int cmdq_probe(struct platform_device *pdev)
584 struct device *dev = &pdev->dev;
587 struct device_node *phandle = dev->of_node;
588 struct device_node *node;
590 static const char * const clk_name = "gce";
591 static const char * const clk_names[] = { "gce0", "gce1" };
593 cmdq = devm_kzalloc(dev, sizeof(*cmdq), GFP_KERNEL);
597 cmdq->base = devm_platform_ioremap_resource(pdev, 0);
598 if (IS_ERR(cmdq->base))
599 return PTR_ERR(cmdq->base);
601 cmdq->irq = platform_get_irq(pdev, 0);
605 cmdq->pdata = device_get_match_data(dev);
607 dev_err(dev, "failed to get match data\n");
611 cmdq->irq_mask = GENMASK(cmdq->pdata->thread_nr - 1, 0);
613 dev_dbg(dev, "cmdq device: addr:0x%p, va:0x%p, irq:%d\n",
614 dev, cmdq->base, cmdq->irq);
616 if (cmdq->pdata->gce_num > 1) {
617 for_each_child_of_node(phandle->parent, node) {
618 alias_id = of_alias_get_id(node, clk_name);
619 if (alias_id >= 0 && alias_id < cmdq->pdata->gce_num) {
620 cmdq->clocks[alias_id].id = clk_names[alias_id];
621 cmdq->clocks[alias_id].clk = of_clk_get(node, 0);
622 if (IS_ERR(cmdq->clocks[alias_id].clk)) {
624 return dev_err_probe(dev,
625 PTR_ERR(cmdq->clocks[alias_id].clk),
626 "failed to get gce clk: %d\n",
632 cmdq->clocks[alias_id].id = clk_name;
633 cmdq->clocks[alias_id].clk = devm_clk_get(&pdev->dev, clk_name);
634 if (IS_ERR(cmdq->clocks[alias_id].clk)) {
635 return dev_err_probe(dev, PTR_ERR(cmdq->clocks[alias_id].clk),
636 "failed to get gce clk\n");
640 cmdq->mbox.dev = dev;
641 cmdq->mbox.chans = devm_kcalloc(dev, cmdq->pdata->thread_nr,
642 sizeof(*cmdq->mbox.chans), GFP_KERNEL);
643 if (!cmdq->mbox.chans)
646 cmdq->mbox.num_chans = cmdq->pdata->thread_nr;
647 cmdq->mbox.ops = &cmdq_mbox_chan_ops;
648 cmdq->mbox.of_xlate = cmdq_xlate;
650 /* make use of TXDONE_BY_ACK */
651 cmdq->mbox.txdone_irq = false;
652 cmdq->mbox.txdone_poll = false;
654 cmdq->thread = devm_kcalloc(dev, cmdq->pdata->thread_nr,
655 sizeof(*cmdq->thread), GFP_KERNEL);
659 for (i = 0; i < cmdq->pdata->thread_nr; i++) {
660 cmdq->thread[i].base = cmdq->base + CMDQ_THR_BASE +
662 INIT_LIST_HEAD(&cmdq->thread[i].task_busy_list);
663 cmdq->mbox.chans[i].con_priv = (void *)&cmdq->thread[i];
666 err = devm_mbox_controller_register(dev, &cmdq->mbox);
668 dev_err(dev, "failed to register mailbox: %d\n", err);
672 platform_set_drvdata(pdev, cmdq);
674 WARN_ON(clk_bulk_prepare(cmdq->pdata->gce_num, cmdq->clocks));
678 err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED,
681 dev_err(dev, "failed to register ISR (%d)\n", err);
685 /* If Runtime PM is not available enable the clocks now. */
686 if (!IS_ENABLED(CONFIG_PM)) {
687 err = cmdq_runtime_resume(dev);
692 err = devm_pm_runtime_enable(dev);
696 pm_runtime_set_autosuspend_delay(dev, CMDQ_MBOX_AUTOSUSPEND_DELAY_MS);
697 pm_runtime_use_autosuspend(dev);
702 static const struct dev_pm_ops cmdq_pm_ops = {
703 .suspend = cmdq_suspend,
704 .resume = cmdq_resume,
705 SET_RUNTIME_PM_OPS(cmdq_runtime_suspend,
706 cmdq_runtime_resume, NULL)
709 static const struct gce_plat gce_plat_v2 = {
712 .control_by_sw = false,
716 static const struct gce_plat gce_plat_v3 = {
719 .control_by_sw = false,
723 static const struct gce_plat gce_plat_v4 = {
726 .control_by_sw = false,
730 static const struct gce_plat gce_plat_v5 = {
733 .control_by_sw = true,
737 static const struct gce_plat gce_plat_v6 = {
740 .control_by_sw = true,
744 static const struct gce_plat gce_plat_v7 = {
747 .control_by_sw = true,
752 static const struct of_device_id cmdq_of_ids[] = {
753 {.compatible = "mediatek,mt8173-gce", .data = (void *)&gce_plat_v2},
754 {.compatible = "mediatek,mt8183-gce", .data = (void *)&gce_plat_v3},
755 {.compatible = "mediatek,mt8186-gce", .data = (void *)&gce_plat_v7},
756 {.compatible = "mediatek,mt6779-gce", .data = (void *)&gce_plat_v4},
757 {.compatible = "mediatek,mt8192-gce", .data = (void *)&gce_plat_v5},
758 {.compatible = "mediatek,mt8195-gce", .data = (void *)&gce_plat_v6},
762 static struct platform_driver cmdq_drv = {
764 .remove = cmdq_remove,
768 .of_match_table = cmdq_of_ids,
772 static int __init cmdq_drv_init(void)
774 return platform_driver_register(&cmdq_drv);
777 static void __exit cmdq_drv_exit(void)
779 platform_driver_unregister(&cmdq_drv);
782 subsys_initcall(cmdq_drv_init);
783 module_exit(cmdq_drv_exit);
785 MODULE_LICENSE("GPL v2");