Lines Matching full:scp
27 * scp_get() - get a reference to SCP.
29 * @pdev: the platform device of the module requesting SCP platform
30 * device for using SCP API.
32 * Return: Return NULL if failed. otherwise reference to SCP.
40 scp_node = of_parse_phandle(dev->of_node, "mediatek,scp", 0); in scp_get()
42 dev_err(dev, "can't get SCP node\n"); in scp_get()
50 dev_err(dev, "SCP pdev failed\n"); in scp_get()
59 * scp_put() - "free" the SCP
61 * @scp: mtk_scp structure from scp_get().
63 void scp_put(struct mtk_scp *scp) in scp_put() argument
65 put_device(scp->dev); in scp_put()
69 static void scp_wdt_handler(struct mtk_scp *scp, u32 scp_to_host) in scp_wdt_handler() argument
71 struct mtk_scp_of_cluster *scp_cluster = scp->cluster; in scp_wdt_handler()
74 dev_err(scp->dev, "SCP watchdog timeout! 0x%x", scp_to_host); in scp_wdt_handler()
83 struct mtk_scp *scp = priv; in scp_init_ipi_handler() local
86 scp->run.signaled = run->signaled; in scp_init_ipi_handler()
87 strscpy(scp->run.fw_ver, run->fw_ver, SCP_FW_VER_LEN); in scp_init_ipi_handler()
88 scp->run.dec_capability = run->dec_capability; in scp_init_ipi_handler()
89 scp->run.enc_capability = run->enc_capability; in scp_init_ipi_handler()
90 wake_up_interruptible(&scp->run.wq); in scp_init_ipi_handler()
93 static void scp_ipi_handler(struct mtk_scp *scp) in scp_ipi_handler() argument
95 struct mtk_share_obj __iomem *rcv_obj = scp->recv_buf; in scp_ipi_handler()
96 struct scp_ipi_desc *ipi_desc = scp->ipi_desc; in scp_ipi_handler()
103 dev_err(scp->dev, "ipi message too long (len %d, max %d)", len, in scp_ipi_handler()
108 dev_err(scp->dev, "No such ipi id = %d\n", id); in scp_ipi_handler()
112 scp_ipi_lock(scp, id); in scp_ipi_handler()
115 dev_err(scp->dev, "No handler for ipi id = %d\n", id); in scp_ipi_handler()
116 scp_ipi_unlock(scp, id); in scp_ipi_handler()
122 scp_ipi_unlock(scp, id); in scp_ipi_handler()
124 scp->ipi_id_ack[id] = true; in scp_ipi_handler()
125 wake_up(&scp->ack_wq); in scp_ipi_handler()
128 static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp,
132 static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) in scp_ipi_init() argument
138 ret = scp_elf_read_ipi_buf_addr(scp, fw, &offset); in scp_ipi_init()
141 offset = scp->data->ipi_buf_offset; in scp_ipi_init()
145 dev_info(scp->dev, "IPI buf addr %#010zx\n", offset); in scp_ipi_init()
147 scp->recv_buf = (struct mtk_share_obj __iomem *) in scp_ipi_init()
148 (scp->sram_base + offset); in scp_ipi_init()
149 scp->send_buf = (struct mtk_share_obj __iomem *) in scp_ipi_init()
150 (scp->sram_base + offset + sizeof(*scp->recv_buf)); in scp_ipi_init()
151 memset_io(scp->recv_buf, 0, sizeof(*scp->recv_buf)); in scp_ipi_init()
152 memset_io(scp->send_buf, 0, sizeof(*scp->send_buf)); in scp_ipi_init()
157 static void mt8183_scp_reset_assert(struct mtk_scp *scp) in mt8183_scp_reset_assert() argument
161 val = readl(scp->cluster->reg_base + MT8183_SW_RSTN); in mt8183_scp_reset_assert()
163 writel(val, scp->cluster->reg_base + MT8183_SW_RSTN); in mt8183_scp_reset_assert()
166 static void mt8183_scp_reset_deassert(struct mtk_scp *scp) in mt8183_scp_reset_deassert() argument
170 val = readl(scp->cluster->reg_base + MT8183_SW_RSTN); in mt8183_scp_reset_deassert()
172 writel(val, scp->cluster->reg_base + MT8183_SW_RSTN); in mt8183_scp_reset_deassert()
175 static void mt8192_scp_reset_assert(struct mtk_scp *scp) in mt8192_scp_reset_assert() argument
177 writel(1, scp->cluster->reg_base + MT8192_CORE0_SW_RSTN_SET); in mt8192_scp_reset_assert()
180 static void mt8192_scp_reset_deassert(struct mtk_scp *scp) in mt8192_scp_reset_deassert() argument
182 writel(1, scp->cluster->reg_base + MT8192_CORE0_SW_RSTN_CLR); in mt8192_scp_reset_deassert()
185 static void mt8195_scp_c1_reset_assert(struct mtk_scp *scp) in mt8195_scp_c1_reset_assert() argument
187 writel(1, scp->cluster->reg_base + MT8195_CORE1_SW_RSTN_SET); in mt8195_scp_c1_reset_assert()
190 static void mt8195_scp_c1_reset_deassert(struct mtk_scp *scp) in mt8195_scp_c1_reset_deassert() argument
192 writel(1, scp->cluster->reg_base + MT8195_CORE1_SW_RSTN_CLR); in mt8195_scp_c1_reset_deassert()
195 static void mt8183_scp_irq_handler(struct mtk_scp *scp) in mt8183_scp_irq_handler() argument
199 scp_to_host = readl(scp->cluster->reg_base + MT8183_SCP_TO_HOST); in mt8183_scp_irq_handler()
201 scp_ipi_handler(scp); in mt8183_scp_irq_handler()
203 scp_wdt_handler(scp, scp_to_host); in mt8183_scp_irq_handler()
205 /* SCP won't send another interrupt until we set SCP_TO_HOST to 0. */ in mt8183_scp_irq_handler()
207 scp->cluster->reg_base + MT8183_SCP_TO_HOST); in mt8183_scp_irq_handler()
210 static void mt8192_scp_irq_handler(struct mtk_scp *scp) in mt8192_scp_irq_handler() argument
214 scp_to_host = readl(scp->cluster->reg_base + MT8192_SCP2APMCU_IPC_SET); in mt8192_scp_irq_handler()
217 scp_ipi_handler(scp); in mt8192_scp_irq_handler()
220 * SCP won't send another interrupt until we clear in mt8192_scp_irq_handler()
224 scp->cluster->reg_base + MT8192_SCP2APMCU_IPC_CLR); in mt8192_scp_irq_handler()
226 scp_wdt_handler(scp, scp_to_host); in mt8192_scp_irq_handler()
227 writel(1, scp->cluster->reg_base + MT8192_CORE0_WDT_IRQ); in mt8192_scp_irq_handler()
231 static void mt8195_scp_irq_handler(struct mtk_scp *scp) in mt8195_scp_irq_handler() argument
235 scp_to_host = readl(scp->cluster->reg_base + MT8192_SCP2APMCU_IPC_SET); in mt8195_scp_irq_handler()
238 scp_ipi_handler(scp); in mt8195_scp_irq_handler()
240 u32 reason = readl(scp->cluster->reg_base + MT8195_SYS_STATUS); in mt8195_scp_irq_handler()
243 writel(1, scp->cluster->reg_base + MT8192_CORE0_WDT_IRQ); in mt8195_scp_irq_handler()
246 writel(1, scp->cluster->reg_base + MT8195_CORE1_WDT_IRQ); in mt8195_scp_irq_handler()
248 scp_wdt_handler(scp, reason); in mt8195_scp_irq_handler()
251 writel(scp_to_host, scp->cluster->reg_base + MT8192_SCP2APMCU_IPC_CLR); in mt8195_scp_irq_handler()
254 static void mt8195_scp_c1_irq_handler(struct mtk_scp *scp) in mt8195_scp_c1_irq_handler() argument
258 scp_to_host = readl(scp->cluster->reg_base + MT8195_SSHUB2APMCU_IPC_SET); in mt8195_scp_c1_irq_handler()
261 scp_ipi_handler(scp); in mt8195_scp_c1_irq_handler()
263 writel(scp_to_host, scp->cluster->reg_base + MT8195_SSHUB2APMCU_IPC_CLR); in mt8195_scp_c1_irq_handler()
268 struct mtk_scp *scp = priv; in scp_irq_handler() local
271 ret = clk_prepare_enable(scp->clk); in scp_irq_handler()
273 dev_err(scp->dev, "failed to enable clocks\n"); in scp_irq_handler()
277 scp->data->scp_irq_handler(scp); in scp_irq_handler()
279 clk_disable_unprepare(scp->clk); in scp_irq_handler()
340 static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp, in scp_elf_read_ipi_buf_addr() argument
366 static int mt8183_scp_clk_get(struct mtk_scp *scp) in mt8183_scp_clk_get() argument
368 struct device *dev = scp->dev; in mt8183_scp_clk_get()
371 scp->clk = devm_clk_get(dev, "main"); in mt8183_scp_clk_get()
372 if (IS_ERR(scp->clk)) { in mt8183_scp_clk_get()
374 ret = PTR_ERR(scp->clk); in mt8183_scp_clk_get()
380 static int mt8192_scp_clk_get(struct mtk_scp *scp) in mt8192_scp_clk_get() argument
382 return mt8183_scp_clk_get(scp); in mt8192_scp_clk_get()
385 static int mt8195_scp_clk_get(struct mtk_scp *scp) in mt8195_scp_clk_get() argument
387 scp->clk = NULL; in mt8195_scp_clk_get()
392 static int mt8183_scp_before_load(struct mtk_scp *scp) in mt8183_scp_before_load() argument
394 /* Clear SCP to host interrupt */ in mt8183_scp_before_load()
395 writel(MT8183_SCP_IPC_INT_BIT, scp->cluster->reg_base + MT8183_SCP_TO_HOST); in mt8183_scp_before_load()
398 writel(0x0, scp->cluster->reg_base + MT8183_SCP_CLK_SW_SEL); in mt8183_scp_before_load()
399 writel(0x0, scp->cluster->reg_base + MT8183_SCP_CLK_DIV_SEL); in mt8183_scp_before_load()
402 writel(0x0, scp->cluster->reg_base + MT8183_SCP_L1_SRAM_PD); in mt8183_scp_before_load()
403 writel(0x0, scp->cluster->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD); in mt8183_scp_before_load()
405 /* Turn on the power of SCP's SRAM before using it. */ in mt8183_scp_before_load()
406 writel(0x0, scp->cluster->reg_base + MT8183_SCP_SRAM_PDN); in mt8183_scp_before_load()
409 * Set I-cache and D-cache size before loading SCP FW. in mt8183_scp_before_load()
410 * SCP SRAM logical address may change when cache size setting differs. in mt8183_scp_before_load()
413 scp->cluster->reg_base + MT8183_SCP_CACHE_CON); in mt8183_scp_before_load()
414 writel(MT8183_SCP_CACHESIZE_8KB, scp->cluster->reg_base + MT8183_SCP_DCACHE_CON); in mt8183_scp_before_load()
437 static int mt8186_scp_before_load(struct mtk_scp *scp) in mt8186_scp_before_load() argument
439 /* Clear SCP to host interrupt */ in mt8186_scp_before_load()
440 writel(MT8183_SCP_IPC_INT_BIT, scp->cluster->reg_base + MT8183_SCP_TO_HOST); in mt8186_scp_before_load()
443 writel(0x0, scp->cluster->reg_base + MT8183_SCP_CLK_SW_SEL); in mt8186_scp_before_load()
444 writel(0x0, scp->cluster->reg_base + MT8183_SCP_CLK_DIV_SEL); in mt8186_scp_before_load()
446 /* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/ in mt8186_scp_before_load()
447 scp_sram_power_on(scp->cluster->reg_base + MT8183_SCP_SRAM_PDN, 0); in mt8186_scp_before_load()
450 writel(0x0, scp->cluster->reg_base + MT8183_SCP_L1_SRAM_PD); in mt8186_scp_before_load()
451 writel(0x0, scp->cluster->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD); in mt8186_scp_before_load()
452 writel(0x0, scp->cluster->reg_base + MT8186_SCP_L1_SRAM_PD_P1); in mt8186_scp_before_load()
453 writel(0x0, scp->cluster->reg_base + MT8186_SCP_L1_SRAM_PD_p2); in mt8186_scp_before_load()
456 * Set I-cache and D-cache size before loading SCP FW. in mt8186_scp_before_load()
457 * SCP SRAM logical address may change when cache size setting differs. in mt8186_scp_before_load()
460 scp->cluster->reg_base + MT8183_SCP_CACHE_CON); in mt8186_scp_before_load()
461 writel(MT8183_SCP_CACHESIZE_8KB, scp->cluster->reg_base + MT8183_SCP_DCACHE_CON); in mt8186_scp_before_load()
466 static int mt8192_scp_before_load(struct mtk_scp *scp) in mt8192_scp_before_load() argument
469 writel(0xff, scp->cluster->reg_base + MT8192_SCP2SPM_IPC_CLR); in mt8192_scp_before_load()
471 writel(1, scp->cluster->reg_base + MT8192_CORE0_SW_RSTN_SET); in mt8192_scp_before_load()
474 scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); in mt8192_scp_before_load()
475 scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); in mt8192_scp_before_load()
476 scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); in mt8192_scp_before_load()
477 scp_sram_power_on(scp->cluster->reg_base + MT8192_L1TCM_SRAM_PDN, 0); in mt8192_scp_before_load()
478 scp_sram_power_on(scp->cluster->reg_base + MT8192_CPU0_SRAM_PD, 0); in mt8192_scp_before_load()
481 writel(0xff, scp->cluster->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); in mt8192_scp_before_load()
486 static int mt8195_scp_l2tcm_on(struct mtk_scp *scp) in mt8195_scp_l2tcm_on() argument
488 struct mtk_scp_of_cluster *scp_cluster = scp->cluster; in mt8195_scp_l2tcm_on()
494 writel(0xff, scp->cluster->reg_base + MT8192_SCP2SPM_IPC_CLR); in mt8195_scp_l2tcm_on()
497 scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); in mt8195_scp_l2tcm_on()
498 scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); in mt8195_scp_l2tcm_on()
499 scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); in mt8195_scp_l2tcm_on()
500 scp_sram_power_on(scp->cluster->reg_base + MT8192_L1TCM_SRAM_PDN, in mt8195_scp_l2tcm_on()
511 static int mt8195_scp_before_load(struct mtk_scp *scp) in mt8195_scp_before_load() argument
513 writel(1, scp->cluster->reg_base + MT8192_CORE0_SW_RSTN_SET); in mt8195_scp_before_load()
515 mt8195_scp_l2tcm_on(scp); in mt8195_scp_before_load()
517 scp_sram_power_on(scp->cluster->reg_base + MT8192_CPU0_SRAM_PD, 0); in mt8195_scp_before_load()
520 writel(0xff, scp->cluster->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); in mt8195_scp_before_load()
525 static int mt8195_scp_c1_before_load(struct mtk_scp *scp) in mt8195_scp_c1_before_load() argument
529 struct mtk_scp_of_cluster *scp_cluster = scp->cluster; in mt8195_scp_c1_before_load()
531 scp->data->scp_reset_assert(scp); in mt8195_scp_c1_before_load()
533 mt8195_scp_l2tcm_on(scp); in mt8195_scp_c1_before_load()
535 scp_sram_power_on(scp->cluster->reg_base + MT8195_CPU1_SRAM_PD, 0); in mt8195_scp_c1_before_load()
538 writel(0xff, scp->cluster->reg_base + MT8195_CORE1_MEM_ATT_PREDEF); in mt8195_scp_c1_before_load()
542 * on SRAM when SCP core 1 accesses SRAM. in mt8195_scp_c1_before_load()
544 * This configuration solves booting the SCP core 0 and core 1 from in mt8195_scp_c1_before_load()
546 * the head of SRAM by default. this must be configured before boot SCP core 1. in mt8195_scp_c1_before_load()
548 * The value of L2TCM_OFFSET_RANGE is from the viewpoint of SCP core 1. in mt8195_scp_c1_before_load()
549 * When SCP core 1 issues address within the range (L2TCM_OFFSET_RANGE), in mt8195_scp_c1_before_load()
553 writel(0, scp->cluster->reg_base + MT8195_L2TCM_OFFSET_RANGE_0_LOW); in mt8195_scp_c1_before_load()
554 writel(scp->sram_size, scp->cluster->reg_base + MT8195_L2TCM_OFFSET_RANGE_0_HIGH); in mt8195_scp_c1_before_load()
557 writel(scp->sram_phys - scp_c0->sram_phys, scp->cluster->reg_base + MT8195_L2TCM_OFFSET); in mt8195_scp_c1_before_load()
560 sec_ctrl = readl(scp->cluster->reg_base + MT8195_SEC_CTRL); in mt8195_scp_c1_before_load()
562 writel(sec_ctrl, scp->cluster->reg_base + MT8195_SEC_CTRL); in mt8195_scp_c1_before_load()
569 struct mtk_scp *scp = rproc->priv; in scp_load() local
570 struct device *dev = scp->dev; in scp_load()
573 ret = clk_prepare_enable(scp->clk); in scp_load()
579 /* Hold SCP in reset while loading FW. */ in scp_load()
580 scp->data->scp_reset_assert(scp); in scp_load()
582 ret = scp->data->scp_before_load(scp); in scp_load()
588 clk_disable_unprepare(scp->clk); in scp_load()
595 struct mtk_scp *scp = rproc->priv; in scp_parse_fw() local
596 struct device *dev = scp->dev; in scp_parse_fw()
599 ret = clk_prepare_enable(scp->clk); in scp_parse_fw()
605 ret = scp_ipi_init(scp, fw); in scp_parse_fw()
606 clk_disable_unprepare(scp->clk); in scp_parse_fw()
612 struct mtk_scp *scp = rproc->priv; in scp_start() local
613 struct device *dev = scp->dev; in scp_start()
614 struct scp_run *run = &scp->run; in scp_start()
617 ret = clk_prepare_enable(scp->clk); in scp_start()
625 scp->data->scp_reset_deassert(scp); in scp_start()
633 dev_err(dev, "wait SCP initialization timeout!\n"); in scp_start()
638 dev_err(dev, "wait SCP interrupted by a signal!\n"); in scp_start()
642 clk_disable_unprepare(scp->clk); in scp_start()
643 dev_info(dev, "SCP is ready. FW version %s\n", run->fw_ver); in scp_start()
648 scp->data->scp_reset_assert(scp); in scp_start()
649 clk_disable_unprepare(scp->clk); in scp_start()
653 static void *mt8183_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) in mt8183_scp_da_to_va() argument
657 if (da < scp->sram_size) { in mt8183_scp_da_to_va()
659 if (offset >= 0 && (offset + len) <= scp->sram_size) in mt8183_scp_da_to_va()
660 return (void __force *)scp->sram_base + offset; in mt8183_scp_da_to_va()
661 } else if (scp->dram_size) { in mt8183_scp_da_to_va()
662 offset = da - scp->dma_addr; in mt8183_scp_da_to_va()
663 if (offset >= 0 && (offset + len) <= scp->dram_size) in mt8183_scp_da_to_va()
664 return scp->cpu_addr + offset; in mt8183_scp_da_to_va()
670 static void *mt8192_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) in mt8192_scp_da_to_va() argument
674 if (da >= scp->sram_phys && in mt8192_scp_da_to_va()
675 (da + len) <= scp->sram_phys + scp->sram_size) { in mt8192_scp_da_to_va()
676 offset = da - scp->sram_phys; in mt8192_scp_da_to_va()
677 return (void __force *)scp->sram_base + offset; in mt8192_scp_da_to_va()
681 if (scp->cluster->l1tcm_size && in mt8192_scp_da_to_va()
682 da >= scp->cluster->l1tcm_phys && in mt8192_scp_da_to_va()
683 (da + len) <= scp->cluster->l1tcm_phys + scp->cluster->l1tcm_size) { in mt8192_scp_da_to_va()
684 offset = da - scp->cluster->l1tcm_phys; in mt8192_scp_da_to_va()
685 return (void __force *)scp->cluster->l1tcm_base + offset; in mt8192_scp_da_to_va()
689 if (scp->dram_size && in mt8192_scp_da_to_va()
690 da >= scp->dma_addr && in mt8192_scp_da_to_va()
691 (da + len) <= scp->dma_addr + scp->dram_size) { in mt8192_scp_da_to_va()
692 offset = da - scp->dma_addr; in mt8192_scp_da_to_va()
693 return scp->cpu_addr + offset; in mt8192_scp_da_to_va()
701 struct mtk_scp *scp = rproc->priv; in scp_da_to_va() local
703 return scp->data->scp_da_to_va(scp, da, len); in scp_da_to_va()
706 static void mt8183_scp_stop(struct mtk_scp *scp) in mt8183_scp_stop() argument
708 /* Disable SCP watchdog */ in mt8183_scp_stop()
709 writel(0, scp->cluster->reg_base + MT8183_WDT_CFG); in mt8183_scp_stop()
712 static void mt8192_scp_stop(struct mtk_scp *scp) in mt8192_scp_stop() argument
715 scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); in mt8192_scp_stop()
716 scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); in mt8192_scp_stop()
717 scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); in mt8192_scp_stop()
718 scp_sram_power_off(scp->cluster->reg_base + MT8192_L1TCM_SRAM_PDN, 0); in mt8192_scp_stop()
719 scp_sram_power_off(scp->cluster->reg_base + MT8192_CPU0_SRAM_PD, 0); in mt8192_scp_stop()
721 /* Disable SCP watchdog */ in mt8192_scp_stop()
722 writel(0, scp->cluster->reg_base + MT8192_CORE0_WDT_CFG); in mt8192_scp_stop()
725 static void mt8195_scp_l2tcm_off(struct mtk_scp *scp) in mt8195_scp_l2tcm_off() argument
727 struct mtk_scp_of_cluster *scp_cluster = scp->cluster; in mt8195_scp_l2tcm_off()
736 scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); in mt8195_scp_l2tcm_off()
737 scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); in mt8195_scp_l2tcm_off()
738 scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); in mt8195_scp_l2tcm_off()
739 scp_sram_power_off(scp->cluster->reg_base + MT8192_L1TCM_SRAM_PDN, in mt8195_scp_l2tcm_off()
746 static void mt8195_scp_stop(struct mtk_scp *scp) in mt8195_scp_stop() argument
748 mt8195_scp_l2tcm_off(scp); in mt8195_scp_stop()
750 scp_sram_power_off(scp->cluster->reg_base + MT8192_CPU0_SRAM_PD, 0); in mt8195_scp_stop()
752 /* Disable SCP watchdog */ in mt8195_scp_stop()
753 writel(0, scp->cluster->reg_base + MT8192_CORE0_WDT_CFG); in mt8195_scp_stop()
756 static void mt8195_scp_c1_stop(struct mtk_scp *scp) in mt8195_scp_c1_stop() argument
758 mt8195_scp_l2tcm_off(scp); in mt8195_scp_c1_stop()
761 scp_sram_power_off(scp->cluster->reg_base + MT8195_CPU1_SRAM_PD, 0); in mt8195_scp_c1_stop()
763 /* Disable SCP watchdog */ in mt8195_scp_c1_stop()
764 writel(0, scp->cluster->reg_base + MT8195_CORE1_WDT_CFG); in mt8195_scp_c1_stop()
769 struct mtk_scp *scp = rproc->priv; in scp_stop() local
772 ret = clk_prepare_enable(scp->clk); in scp_stop()
774 dev_err(scp->dev, "failed to enable clocks\n"); in scp_stop()
778 scp->data->scp_reset_assert(scp); in scp_stop()
779 scp->data->scp_stop(scp); in scp_stop()
780 clk_disable_unprepare(scp->clk); in scp_stop()
795 * scp_get_device() - get device struct of SCP
797 * @scp: mtk_scp structure
799 struct device *scp_get_device(struct mtk_scp *scp) in scp_get_device() argument
801 return scp->dev; in scp_get_device()
806 * scp_get_rproc() - get rproc struct of SCP
808 * @scp: mtk_scp structure
810 struct rproc *scp_get_rproc(struct mtk_scp *scp) in scp_get_rproc() argument
812 return scp->rproc; in scp_get_rproc()
819 * @scp: mtk_scp structure
823 unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp) in scp_get_vdec_hw_capa() argument
825 return scp->run.dec_capability; in scp_get_vdec_hw_capa()
832 * @scp: mtk_scp structure
836 unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp) in scp_get_venc_hw_capa() argument
838 return scp->run.enc_capability; in scp_get_venc_hw_capa()
845 * @scp: mtk_scp structure
846 * @mem_addr: SCP views memory address
848 * Mapping the SCP's SRAM address /
856 void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr) in scp_mapping_dm_addr() argument
860 ptr = scp_da_to_va(scp->rproc, mem_addr, 0, NULL); in scp_mapping_dm_addr()
868 static int scp_map_memory_region(struct mtk_scp *scp) in scp_map_memory_region() argument
872 ret = of_reserved_mem_device_init(scp->dev); in scp_map_memory_region()
876 dev_info(scp->dev, "skipping reserved memory initialization."); in scp_map_memory_region()
881 dev_err(scp->dev, "failed to assign memory-region: %d\n", ret); in scp_map_memory_region()
885 /* Reserved SCP code size */ in scp_map_memory_region()
886 scp->dram_size = MAX_CODE_SIZE; in scp_map_memory_region()
887 scp->cpu_addr = dma_alloc_coherent(scp->dev, scp->dram_size, in scp_map_memory_region()
888 &scp->dma_addr, GFP_KERNEL); in scp_map_memory_region()
889 if (!scp->cpu_addr) in scp_map_memory_region()
895 static void scp_unmap_memory_region(struct mtk_scp *scp) in scp_unmap_memory_region() argument
897 if (scp->dram_size == 0) in scp_unmap_memory_region()
900 dma_free_coherent(scp->dev, scp->dram_size, scp->cpu_addr, in scp_unmap_memory_region()
901 scp->dma_addr); in scp_unmap_memory_region()
902 of_reserved_mem_device_release(scp->dev); in scp_unmap_memory_region()
908 struct mtk_scp *scp = platform_get_drvdata(pdev); in scp_register_ipi() local
910 return scp_ipi_register(scp, id, handler, priv); in scp_register_ipi()
915 struct mtk_scp *scp = platform_get_drvdata(pdev); in scp_unregister_ipi() local
917 scp_ipi_unregister(scp, id); in scp_unregister_ipi()
923 struct mtk_scp *scp = platform_get_drvdata(pdev); in scp_send_ipi() local
925 return scp_ipi_send(scp, id, buf, len, wait); in scp_send_ipi()
935 static void scp_add_rpmsg_subdev(struct mtk_scp *scp) in scp_add_rpmsg_subdev() argument
937 scp->rpmsg_subdev = in scp_add_rpmsg_subdev()
938 mtk_rpmsg_create_rproc_subdev(to_platform_device(scp->dev), in scp_add_rpmsg_subdev()
940 if (scp->rpmsg_subdev) in scp_add_rpmsg_subdev()
941 rproc_add_subdev(scp->rproc, scp->rpmsg_subdev); in scp_add_rpmsg_subdev()
944 static void scp_remove_rpmsg_subdev(struct mtk_scp *scp) in scp_remove_rpmsg_subdev() argument
946 if (scp->rpmsg_subdev) { in scp_remove_rpmsg_subdev()
947 rproc_remove_subdev(scp->rproc, scp->rpmsg_subdev); in scp_remove_rpmsg_subdev()
948 mtk_rpmsg_destroy_rproc_subdev(scp->rpmsg_subdev); in scp_remove_rpmsg_subdev()
949 scp->rpmsg_subdev = NULL; in scp_remove_rpmsg_subdev()
959 struct mtk_scp *scp; in scp_rproc_init() local
962 const char *fw_name = "scp.img"; in scp_rproc_init()
969 rproc = devm_rproc_alloc(dev, np->name, &scp_ops, fw_name, sizeof(*scp)); in scp_rproc_init()
975 scp = rproc->priv; in scp_rproc_init()
976 scp->rproc = rproc; in scp_rproc_init()
977 scp->dev = dev; in scp_rproc_init()
978 scp->data = of_data; in scp_rproc_init()
979 scp->cluster = scp_cluster; in scp_rproc_init()
980 platform_set_drvdata(pdev, scp); in scp_rproc_init()
983 scp->sram_base = devm_ioremap_resource(dev, res); in scp_rproc_init()
984 if (IS_ERR(scp->sram_base)) { in scp_rproc_init()
986 return ERR_CAST(scp->sram_base); in scp_rproc_init()
989 scp->sram_size = resource_size(res); in scp_rproc_init()
990 scp->sram_phys = res->start; in scp_rproc_init()
992 ret = scp->data->scp_clk_get(scp); in scp_rproc_init()
996 ret = scp_map_memory_region(scp); in scp_rproc_init()
1000 mutex_init(&scp->send_lock); in scp_rproc_init()
1002 mutex_init(&scp->ipi_desc[i].lock); in scp_rproc_init()
1004 /* register SCP initialization IPI */ in scp_rproc_init()
1005 ret = scp_ipi_register(scp, SCP_IPI_INIT, scp_init_ipi_handler, scp); in scp_rproc_init()
1011 init_waitqueue_head(&scp->run.wq); in scp_rproc_init()
1012 init_waitqueue_head(&scp->ack_wq); in scp_rproc_init()
1014 scp_add_rpmsg_subdev(scp); in scp_rproc_init()
1018 pdev->name, scp); in scp_rproc_init()
1025 return scp; in scp_rproc_init()
1028 scp_remove_rpmsg_subdev(scp); in scp_rproc_init()
1029 scp_ipi_unregister(scp, SCP_IPI_INIT); in scp_rproc_init()
1031 scp_unmap_memory_region(scp); in scp_rproc_init()
1033 mutex_destroy(&scp->ipi_desc[i].lock); in scp_rproc_init()
1034 mutex_destroy(&scp->send_lock); in scp_rproc_init()
1039 static void scp_free(struct mtk_scp *scp) in scp_free() argument
1043 scp_remove_rpmsg_subdev(scp); in scp_free()
1044 scp_ipi_unregister(scp, SCP_IPI_INIT); in scp_free()
1045 scp_unmap_memory_region(scp); in scp_free()
1047 mutex_destroy(&scp->ipi_desc[i].lock); in scp_free()
1048 mutex_destroy(&scp->send_lock); in scp_free()
1056 struct mtk_scp *scp; in scp_add_single_core() local
1059 scp = scp_rproc_init(pdev, scp_cluster, of_device_get_match_data(dev)); in scp_add_single_core()
1060 if (IS_ERR(scp)) in scp_add_single_core()
1061 return PTR_ERR(scp); in scp_add_single_core()
1063 ret = rproc_add(scp->rproc); in scp_add_single_core()
1066 scp_free(scp); in scp_add_single_core()
1070 list_add_tail(&scp->elem, scp_list); in scp_add_single_core()
1084 struct mtk_scp *scp, *temp; in scp_add_multi_core() local
1106 scp = scp_rproc_init(cpdev, scp_cluster, cluster_of_data[core_id]); in scp_add_multi_core()
1108 if (IS_ERR(scp)) { in scp_add_multi_core()
1109 ret = PTR_ERR(scp); in scp_add_multi_core()
1115 ret = rproc_add(scp->rproc); in scp_add_multi_core()
1119 scp_free(scp); in scp_add_multi_core()
1123 list_add_tail(&scp->elem, scp_list); in scp_add_multi_core()
1128 * Here we are setting the platform device for @pdev to the last @scp that was in scp_add_multi_core()
1133 platform_set_drvdata(pdev, scp); in scp_add_multi_core()
1138 list_for_each_entry_safe_reverse(scp, temp, scp_list, elem) { in scp_add_multi_core()
1139 list_del(&scp->elem); in scp_add_multi_core()
1140 rproc_del(scp->rproc); in scp_add_multi_core()
1141 scp_free(scp); in scp_add_multi_core()
1155 if (of_device_is_compatible(child, "mediatek,scp-core")) in scp_is_single_core()
1219 struct mtk_scp *scp = platform_get_drvdata(pdev); in scp_remove() local
1220 struct mtk_scp_of_cluster *scp_cluster = scp->cluster; in scp_remove()
1223 list_for_each_entry_safe_reverse(scp, temp, &scp_cluster->mtk_scp_list, elem) { in scp_remove()
1224 list_del(&scp->elem); in scp_remove()
1225 rproc_del(scp->rproc); in scp_remove()
1226 scp_free(scp); in scp_remove()
1312 { .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data },
1313 { .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data },
1314 { .compatible = "mediatek,mt8188-scp", .data = &mt8188_of_data },
1315 { .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data },
1316 { .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data },
1317 { .compatible = "mediatek,mt8195-scp-dual", .data = &mt8195_of_data_cores },
1326 .name = "mtk-scp",
1334 MODULE_DESCRIPTION("MediaTek SCP control driver");