Lines Matching defs:scp
40 scp_node = of_parse_phandle(dev->of_node, "mediatek,scp", 0);
61 * @scp: mtk_scp structure from scp_get().
63 void scp_put(struct mtk_scp *scp)
65 put_device(scp->dev);
69 static void scp_wdt_handler(struct mtk_scp *scp, u32 scp_to_host)
71 dev_err(scp->dev, "SCP watchdog timeout! 0x%x", scp_to_host);
72 rproc_report_crash(scp->rproc, RPROC_WATCHDOG);
77 struct mtk_scp *scp = priv;
80 scp->run.signaled = run->signaled;
81 strscpy(scp->run.fw_ver, run->fw_ver, SCP_FW_VER_LEN);
82 scp->run.dec_capability = run->dec_capability;
83 scp->run.enc_capability = run->enc_capability;
84 wake_up_interruptible(&scp->run.wq);
87 static void scp_ipi_handler(struct mtk_scp *scp)
89 struct mtk_share_obj __iomem *rcv_obj = scp->recv_buf;
90 struct scp_ipi_desc *ipi_desc = scp->ipi_desc;
97 dev_err(scp->dev, "ipi message too long (len %d, max %d)", len,
102 dev_err(scp->dev, "No such ipi id = %d\n", id);
106 scp_ipi_lock(scp, id);
109 dev_err(scp->dev, "No such ipi id = %d\n", id);
110 scp_ipi_unlock(scp, id);
116 scp_ipi_unlock(scp, id);
118 scp->ipi_id_ack[id] = true;
119 wake_up(&scp->ack_wq);
122 static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp,
126 static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw)
132 ret = scp_elf_read_ipi_buf_addr(scp, fw, &offset);
135 offset = scp->data->ipi_buf_offset;
139 dev_info(scp->dev, "IPI buf addr %#010zx\n", offset);
141 scp->recv_buf = (struct mtk_share_obj __iomem *)
142 (scp->sram_base + offset);
143 scp->send_buf = (struct mtk_share_obj __iomem *)
144 (scp->sram_base + offset + sizeof(*scp->recv_buf));
145 memset_io(scp->recv_buf, 0, sizeof(*scp->recv_buf));
146 memset_io(scp->send_buf, 0, sizeof(*scp->send_buf));
151 static void mt8183_scp_reset_assert(struct mtk_scp *scp)
155 val = readl(scp->reg_base + MT8183_SW_RSTN);
157 writel(val, scp->reg_base + MT8183_SW_RSTN);
160 static void mt8183_scp_reset_deassert(struct mtk_scp *scp)
164 val = readl(scp->reg_base + MT8183_SW_RSTN);
166 writel(val, scp->reg_base + MT8183_SW_RSTN);
169 static void mt8192_scp_reset_assert(struct mtk_scp *scp)
171 writel(1, scp->reg_base + MT8192_CORE0_SW_RSTN_SET);
174 static void mt8192_scp_reset_deassert(struct mtk_scp *scp)
176 writel(1, scp->reg_base + MT8192_CORE0_SW_RSTN_CLR);
179 static void mt8183_scp_irq_handler(struct mtk_scp *scp)
183 scp_to_host = readl(scp->reg_base + MT8183_SCP_TO_HOST);
185 scp_ipi_handler(scp);
187 scp_wdt_handler(scp, scp_to_host);
191 scp->reg_base + MT8183_SCP_TO_HOST);
194 static void mt8192_scp_irq_handler(struct mtk_scp *scp)
198 scp_to_host = readl(scp->reg_base + MT8192_SCP2APMCU_IPC_SET);
201 scp_ipi_handler(scp);
208 scp->reg_base + MT8192_SCP2APMCU_IPC_CLR);
210 scp_wdt_handler(scp, scp_to_host);
211 writel(1, scp->reg_base + MT8192_CORE0_WDT_IRQ);
217 struct mtk_scp *scp = priv;
220 ret = clk_prepare_enable(scp->clk);
222 dev_err(scp->dev, "failed to enable clocks\n");
226 scp->data->scp_irq_handler(scp);
228 clk_disable_unprepare(scp->clk);
289 static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp,
315 static int mt8183_scp_clk_get(struct mtk_scp *scp)
317 struct device *dev = scp->dev;
320 scp->clk = devm_clk_get(dev, "main");
321 if (IS_ERR(scp->clk)) {
323 ret = PTR_ERR(scp->clk);
329 static int mt8192_scp_clk_get(struct mtk_scp *scp)
331 return mt8183_scp_clk_get(scp);
334 static int mt8195_scp_clk_get(struct mtk_scp *scp)
336 scp->clk = NULL;
341 static int mt8183_scp_before_load(struct mtk_scp *scp)
344 writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
347 writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
348 writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
351 writel(0x0, scp->reg_base + MT8183_SCP_L1_SRAM_PD);
352 writel(0x0, scp->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD);
355 writel(0x0, scp->reg_base + MT8183_SCP_SRAM_PDN);
362 scp->reg_base + MT8183_SCP_CACHE_CON);
363 writel(MT8183_SCP_CACHESIZE_8KB, scp->reg_base + MT8183_SCP_DCACHE_CON);
386 static int mt8186_scp_before_load(struct mtk_scp *scp)
389 writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
392 writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
393 writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
396 scp_sram_power_on(scp->reg_base + MT8183_SCP_SRAM_PDN, 0);
399 writel(0x0, scp->reg_base + MT8183_SCP_L1_SRAM_PD);
400 writel(0x0, scp->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD);
401 writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_P1);
402 writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_p2);
409 scp->reg_base + MT8183_SCP_CACHE_CON);
410 writel(MT8183_SCP_CACHESIZE_8KB, scp->reg_base + MT8183_SCP_DCACHE_CON);
415 static int mt8192_scp_before_load(struct mtk_scp *scp)
418 writel(0xff, scp->reg_base + MT8192_SCP2SPM_IPC_CLR);
420 writel(1, scp->reg_base + MT8192_CORE0_SW_RSTN_SET);
423 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_0, 0);
424 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_1, 0);
425 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_2, 0);
426 scp_sram_power_on(scp->reg_base + MT8192_L1TCM_SRAM_PDN, 0);
427 scp_sram_power_on(scp->reg_base + MT8192_CPU0_SRAM_PD, 0);
430 writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF);
435 static int mt8195_scp_before_load(struct mtk_scp *scp)
438 writel(0xff, scp->reg_base + MT8192_SCP2SPM_IPC_CLR);
440 writel(1, scp->reg_base + MT8192_CORE0_SW_RSTN_SET);
443 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_0, 0);
444 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_1, 0);
445 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_2, 0);
446 scp_sram_power_on(scp->reg_base + MT8192_L1TCM_SRAM_PDN,
448 scp_sram_power_on(scp->reg_base + MT8192_CPU0_SRAM_PD, 0);
451 writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF);
458 struct mtk_scp *scp = rproc->priv;
459 struct device *dev = scp->dev;
462 ret = clk_prepare_enable(scp->clk);
469 scp->data->scp_reset_assert(scp);
471 ret = scp->data->scp_before_load(scp);
477 clk_disable_unprepare(scp->clk);
484 struct mtk_scp *scp = rproc->priv;
485 struct device *dev = scp->dev;
488 ret = clk_prepare_enable(scp->clk);
494 ret = scp_ipi_init(scp, fw);
495 clk_disable_unprepare(scp->clk);
501 struct mtk_scp *scp = rproc->priv;
502 struct device *dev = scp->dev;
503 struct scp_run *run = &scp->run;
506 ret = clk_prepare_enable(scp->clk);
514 scp->data->scp_reset_deassert(scp);
531 clk_disable_unprepare(scp->clk);
537 scp->data->scp_reset_assert(scp);
538 clk_disable_unprepare(scp->clk);
542 static void *mt8183_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len)
546 if (da < scp->sram_size) {
548 if (offset >= 0 && (offset + len) <= scp->sram_size)
549 return (void __force *)scp->sram_base + offset;
550 } else if (scp->dram_size) {
551 offset = da - scp->dma_addr;
552 if (offset >= 0 && (offset + len) <= scp->dram_size)
553 return scp->cpu_addr + offset;
559 static void *mt8192_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len)
563 if (da >= scp->sram_phys &&
564 (da + len) <= scp->sram_phys + scp->sram_size) {
565 offset = da - scp->sram_phys;
566 return (void __force *)scp->sram_base + offset;
570 if (scp->l1tcm_size &&
571 da >= scp->l1tcm_phys &&
572 (da + len) <= scp->l1tcm_phys + scp->l1tcm_size) {
573 offset = da - scp->l1tcm_phys;
574 return (void __force *)scp->l1tcm_base + offset;
578 if (scp->dram_size &&
579 da >= scp->dma_addr &&
580 (da + len) <= scp->dma_addr + scp->dram_size) {
581 offset = da - scp->dma_addr;
582 return scp->cpu_addr + offset;
590 struct mtk_scp *scp = rproc->priv;
592 return scp->data->scp_da_to_va(scp, da, len);
595 static void mt8183_scp_stop(struct mtk_scp *scp)
598 writel(0, scp->reg_base + MT8183_WDT_CFG);
601 static void mt8192_scp_stop(struct mtk_scp *scp)
604 scp_sram_power_off(scp->reg_base + MT8192_L2TCM_SRAM_PD_0, 0);
605 scp_sram_power_off(scp->reg_base + MT8192_L2TCM_SRAM_PD_1, 0);
606 scp_sram_power_off(scp->reg_base + MT8192_L2TCM_SRAM_PD_2, 0);
607 scp_sram_power_off(scp->reg_base + MT8192_L1TCM_SRAM_PDN, 0);
608 scp_sram_power_off(scp->reg_base + MT8192_CPU0_SRAM_PD, 0);
611 writel(0, scp->reg_base + MT8192_CORE0_WDT_CFG);
614 static void mt8195_scp_stop(struct mtk_scp *scp)
617 scp_sram_power_off(scp->reg_base + MT8192_L2TCM_SRAM_PD_0, 0);
618 scp_sram_power_off(scp->reg_base + MT8192_L2TCM_SRAM_PD_1, 0);
619 scp_sram_power_off(scp->reg_base + MT8192_L2TCM_SRAM_PD_2, 0);
620 scp_sram_power_off(scp->reg_base + MT8192_L1TCM_SRAM_PDN,
622 scp_sram_power_off(scp->reg_base + MT8192_CPU0_SRAM_PD, 0);
625 writel(0, scp->reg_base + MT8192_CORE0_WDT_CFG);
630 struct mtk_scp *scp = rproc->priv;
633 ret = clk_prepare_enable(scp->clk);
635 dev_err(scp->dev, "failed to enable clocks\n");
639 scp->data->scp_reset_assert(scp);
640 scp->data->scp_stop(scp);
641 clk_disable_unprepare(scp->clk);
658 * @scp: mtk_scp structure
660 struct device *scp_get_device(struct mtk_scp *scp)
662 return scp->dev;
669 * @scp: mtk_scp structure
671 struct rproc *scp_get_rproc(struct mtk_scp *scp)
673 return scp->rproc;
680 * @scp: mtk_scp structure
684 unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp)
686 return scp->run.dec_capability;
693 * @scp: mtk_scp structure
697 unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp)
699 return scp->run.enc_capability;
706 * @scp: mtk_scp structure
717 void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr)
721 ptr = scp_da_to_va(scp->rproc, mem_addr, 0, NULL);
729 static int scp_map_memory_region(struct mtk_scp *scp)
733 ret = of_reserved_mem_device_init(scp->dev);
737 dev_info(scp->dev, "skipping reserved memory initialization.");
742 dev_err(scp->dev, "failed to assign memory-region: %d\n", ret);
747 scp->dram_size = MAX_CODE_SIZE;
748 scp->cpu_addr = dma_alloc_coherent(scp->dev, scp->dram_size,
749 &scp->dma_addr, GFP_KERNEL);
750 if (!scp->cpu_addr)
756 static void scp_unmap_memory_region(struct mtk_scp *scp)
758 if (scp->dram_size == 0)
761 dma_free_coherent(scp->dev, scp->dram_size, scp->cpu_addr,
762 scp->dma_addr);
763 of_reserved_mem_device_release(scp->dev);
769 struct mtk_scp *scp = platform_get_drvdata(pdev);
771 return scp_ipi_register(scp, id, handler, priv);
776 struct mtk_scp *scp = platform_get_drvdata(pdev);
778 scp_ipi_unregister(scp, id);
784 struct mtk_scp *scp = platform_get_drvdata(pdev);
786 return scp_ipi_send(scp, id, buf, len, wait);
796 static void scp_add_rpmsg_subdev(struct mtk_scp *scp)
798 scp->rpmsg_subdev =
799 mtk_rpmsg_create_rproc_subdev(to_platform_device(scp->dev),
801 if (scp->rpmsg_subdev)
802 rproc_add_subdev(scp->rproc, scp->rpmsg_subdev);
805 static void scp_remove_rpmsg_subdev(struct mtk_scp *scp)
807 if (scp->rpmsg_subdev) {
808 rproc_remove_subdev(scp->rproc, scp->rpmsg_subdev);
809 mtk_rpmsg_destroy_rproc_subdev(scp->rpmsg_subdev);
810 scp->rpmsg_subdev = NULL;
818 struct mtk_scp *scp;
821 const char *fw_name = "scp.img";
828 rproc = devm_rproc_alloc(dev, np->name, &scp_ops, fw_name, sizeof(*scp));
832 scp = rproc->priv;
833 scp->rproc = rproc;
834 scp->dev = dev;
835 scp->data = of_device_get_match_data(dev);
836 platform_set_drvdata(pdev, scp);
839 scp->sram_base = devm_ioremap_resource(dev, res);
840 if (IS_ERR(scp->sram_base))
841 return dev_err_probe(dev, PTR_ERR(scp->sram_base),
844 scp->sram_size = resource_size(res);
845 scp->sram_phys = res->start;
849 scp->l1tcm_base = devm_ioremap_resource(dev, res);
850 if (IS_ERR(scp->l1tcm_base)) {
851 ret = PTR_ERR(scp->l1tcm_base);
856 scp->l1tcm_size = resource_size(res);
857 scp->l1tcm_phys = res->start;
860 scp->reg_base = devm_platform_ioremap_resource_byname(pdev, "cfg");
861 if (IS_ERR(scp->reg_base))
862 return dev_err_probe(dev, PTR_ERR(scp->reg_base),
865 ret = scp->data->scp_clk_get(scp);
869 ret = scp_map_memory_region(scp);
873 mutex_init(&scp->send_lock);
875 mutex_init(&scp->ipi_desc[i].lock);
878 ret = scp_ipi_register(scp, SCP_IPI_INIT, scp_init_ipi_handler, scp);
884 init_waitqueue_head(&scp->run.wq);
885 init_waitqueue_head(&scp->ack_wq);
887 scp_add_rpmsg_subdev(scp);
891 pdev->name, scp);
905 scp_remove_rpmsg_subdev(scp);
906 scp_ipi_unregister(scp, SCP_IPI_INIT);
908 scp_unmap_memory_region(scp);
910 mutex_destroy(&scp->ipi_desc[i].lock);
911 mutex_destroy(&scp->send_lock);
918 struct mtk_scp *scp = platform_get_drvdata(pdev);
921 rproc_del(scp->rproc);
922 scp_remove_rpmsg_subdev(scp);
923 scp_ipi_unregister(scp, SCP_IPI_INIT);
924 scp_unmap_memory_region(scp);
926 mutex_destroy(&scp->ipi_desc[i].lock);
927 mutex_destroy(&scp->send_lock);
993 { .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data },
994 { .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data },
995 { .compatible = "mediatek,mt8188-scp", .data = &mt8188_of_data },
996 { .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data },
997 { .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data },
1006 .name = "mtk-scp",