Lines Matching full:tegra
3 * NVIDIA Tegra xHCI host controller driver
20 #include <linux/phy/tegra/xusb.h>
32 #include <soc/tegra/pmc.h>
218 u32 (*mbox_reg_readl)(struct tegra_xusb *tegra, unsigned int offset);
219 void (*mbox_reg_writel)(struct tegra_xusb *tegra, u32 value, unsigned int offset);
220 u32 (*csb_reg_readl)(struct tegra_xusb *tegra, unsigned int offset);
221 void (*csb_reg_writel)(struct tegra_xusb *tegra, u32 value, unsigned int offset);
319 static inline u32 fpci_readl(struct tegra_xusb *tegra, unsigned int offset) in fpci_readl() argument
321 return readl(tegra->fpci_base + offset); in fpci_readl()
324 static inline void fpci_writel(struct tegra_xusb *tegra, u32 value, in fpci_writel() argument
327 writel(value, tegra->fpci_base + offset); in fpci_writel()
330 static inline u32 ipfs_readl(struct tegra_xusb *tegra, unsigned int offset) in ipfs_readl() argument
332 return readl(tegra->ipfs_base + offset); in ipfs_readl()
335 static inline void ipfs_writel(struct tegra_xusb *tegra, u32 value, in ipfs_writel() argument
338 writel(value, tegra->ipfs_base + offset); in ipfs_writel()
341 static inline u32 bar2_readl(struct tegra_xusb *tegra, unsigned int offset) in bar2_readl() argument
343 return readl(tegra->bar2_base + offset); in bar2_readl()
346 static inline void bar2_writel(struct tegra_xusb *tegra, u32 value, in bar2_writel() argument
349 writel(value, tegra->bar2_base + offset); in bar2_writel()
352 static u32 csb_readl(struct tegra_xusb *tegra, unsigned int offset) in csb_readl() argument
354 const struct tegra_xusb_soc_ops *ops = tegra->soc->ops; in csb_readl()
356 return ops->csb_reg_readl(tegra, offset); in csb_readl()
359 static void csb_writel(struct tegra_xusb *tegra, u32 value, in csb_writel() argument
362 const struct tegra_xusb_soc_ops *ops = tegra->soc->ops; in csb_writel()
364 ops->csb_reg_writel(tegra, value, offset); in csb_writel()
367 static u32 fpci_csb_readl(struct tegra_xusb *tegra, unsigned int offset) in fpci_csb_readl() argument
372 fpci_writel(tegra, page, XUSB_CFG_ARU_C11_CSBRANGE); in fpci_csb_readl()
374 return fpci_readl(tegra, XUSB_CFG_CSB_BASE_ADDR + ofs); in fpci_csb_readl()
377 static void fpci_csb_writel(struct tegra_xusb *tegra, u32 value, in fpci_csb_writel() argument
383 fpci_writel(tegra, page, XUSB_CFG_ARU_C11_CSBRANGE); in fpci_csb_writel()
384 fpci_writel(tegra, value, XUSB_CFG_CSB_BASE_ADDR + ofs); in fpci_csb_writel()
387 static u32 bar2_csb_readl(struct tegra_xusb *tegra, unsigned int offset) in bar2_csb_readl() argument
392 bar2_writel(tegra, page, XUSB_BAR2_ARU_C11_CSBRANGE); in bar2_csb_readl()
394 return bar2_readl(tegra, XUSB_BAR2_CSB_BASE_ADDR + ofs); in bar2_csb_readl()
397 static void bar2_csb_writel(struct tegra_xusb *tegra, u32 value, in bar2_csb_writel() argument
403 bar2_writel(tegra, page, XUSB_BAR2_ARU_C11_CSBRANGE); in bar2_csb_writel()
404 bar2_writel(tegra, value, XUSB_BAR2_CSB_BASE_ADDR + ofs); in bar2_csb_writel()
407 static int tegra_xusb_set_ss_clk(struct tegra_xusb *tegra, in tegra_xusb_set_ss_clk() argument
411 struct clk *clk = tegra->ss_src_clk; in tegra_xusb_set_ss_clk()
425 new_parent_rate = clk_get_rate(tegra->pll_u_480m); in tegra_xusb_set_ss_clk()
432 err = clk_set_parent(clk, tegra->pll_u_480m); in tegra_xusb_set_ss_clk()
448 err = clk_set_parent(clk, tegra->clk_m); in tegra_xusb_set_ss_clk()
459 dev_err(tegra->dev, "Invalid SS rate: %lu Hz\n", rate); in tegra_xusb_set_ss_clk()
464 dev_err(tegra->dev, "SS clock doesn't match requested rate\n"); in tegra_xusb_set_ss_clk()
535 static int tegra_xusb_mbox_send(struct tegra_xusb *tegra, in tegra_xusb_mbox_send() argument
538 const struct tegra_xusb_soc_ops *ops = tegra->soc->ops; in tegra_xusb_mbox_send()
547 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.owner); in tegra_xusb_mbox_send()
549 dev_err(tegra->dev, "mailbox is busy\n"); in tegra_xusb_mbox_send()
553 ops->mbox_reg_writel(tegra, MBOX_OWNER_SW, tegra->soc->mbox.owner); in tegra_xusb_mbox_send()
555 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.owner); in tegra_xusb_mbox_send()
557 dev_err(tegra->dev, "failed to acquire mailbox\n"); in tegra_xusb_mbox_send()
565 ops->mbox_reg_writel(tegra, value, tegra->soc->mbox.data_in); in tegra_xusb_mbox_send()
567 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.cmd); in tegra_xusb_mbox_send()
569 ops->mbox_reg_writel(tegra, value, tegra->soc->mbox.cmd); in tegra_xusb_mbox_send()
575 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.owner); in tegra_xusb_mbox_send()
583 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.owner); in tegra_xusb_mbox_send()
594 struct tegra_xusb *tegra = data; in tegra_xusb_mbox_irq() local
595 const struct tegra_xusb_soc_ops *ops = tegra->soc->ops; in tegra_xusb_mbox_irq()
599 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.smi_intr); in tegra_xusb_mbox_irq()
600 ops->mbox_reg_writel(tegra, value, tegra->soc->mbox.smi_intr); in tegra_xusb_mbox_irq()
603 dev_err(tegra->dev, "controller firmware hang\n"); in tegra_xusb_mbox_irq()
608 static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra, in tegra_xusb_mbox_handle() argument
611 struct tegra_xusb_padctl *padctl = tegra->padctl; in tegra_xusb_mbox_handle()
612 const struct tegra_xusb_soc *soc = tegra->soc; in tegra_xusb_mbox_handle()
613 struct device *dev = tegra->dev; in tegra_xusb_mbox_handle()
625 rsp.data = clk_get_rate(tegra->falcon_clk) / 1000; in tegra_xusb_mbox_handle()
635 if (tegra->soc->scale_ss_clock) { in tegra_xusb_mbox_handle()
636 err = tegra_xusb_set_ss_clk(tegra, msg->data * 1000); in tegra_xusb_mbox_handle()
642 rsp.data = clk_get_rate(tegra->ss_src_clk) / 1000; in tegra_xusb_mbox_handle()
744 err = tegra_xusb_mbox_send(tegra, &rsp); in tegra_xusb_mbox_handle()
752 struct tegra_xusb *tegra = data; in tegra_xusb_mbox_thread() local
753 const struct tegra_xusb_soc_ops *ops = tegra->soc->ops; in tegra_xusb_mbox_thread()
757 mutex_lock(&tegra->lock); in tegra_xusb_mbox_thread()
759 if (pm_runtime_suspended(tegra->dev) || tegra->suspended) in tegra_xusb_mbox_thread()
762 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.data_out); in tegra_xusb_mbox_thread()
765 value = ops->mbox_reg_readl(tegra, tegra->soc->mbox.cmd); in tegra_xusb_mbox_thread()
767 ops->mbox_reg_writel(tegra, value, tegra->soc->mbox.cmd); in tegra_xusb_mbox_thread()
771 ops->mbox_reg_writel(tegra, MBOX_OWNER_NONE, tegra->soc->mbox.owner); in tegra_xusb_mbox_thread()
773 tegra_xusb_mbox_handle(tegra, &msg); in tegra_xusb_mbox_thread()
776 mutex_unlock(&tegra->lock); in tegra_xusb_mbox_thread()
780 static void tegra_xusb_config(struct tegra_xusb *tegra) in tegra_xusb_config() argument
782 u32 regs = tegra->hcd->rsrc_start; in tegra_xusb_config()
785 if (tegra->soc->has_ipfs) { in tegra_xusb_config()
786 value = ipfs_readl(tegra, IPFS_XUSB_HOST_CONFIGURATION_0); in tegra_xusb_config()
788 ipfs_writel(tegra, value, IPFS_XUSB_HOST_CONFIGURATION_0); in tegra_xusb_config()
794 value = fpci_readl(tegra, XUSB_CFG_4); in tegra_xusb_config()
797 fpci_writel(tegra, value, XUSB_CFG_4); in tegra_xusb_config()
800 if (tegra->bar2) { in tegra_xusb_config()
801 value = fpci_readl(tegra, XUSB_CFG_7); in tegra_xusb_config()
803 value |= tegra->bar2->start & in tegra_xusb_config()
805 fpci_writel(tegra, value, XUSB_CFG_7); in tegra_xusb_config()
811 value = fpci_readl(tegra, XUSB_CFG_1); in tegra_xusb_config()
813 fpci_writel(tegra, value, XUSB_CFG_1); in tegra_xusb_config()
815 if (tegra->soc->has_ipfs) { in tegra_xusb_config()
817 value = ipfs_readl(tegra, IPFS_XUSB_HOST_INTR_MASK_0); in tegra_xusb_config()
819 ipfs_writel(tegra, value, IPFS_XUSB_HOST_INTR_MASK_0); in tegra_xusb_config()
822 ipfs_writel(tegra, 0x80, IPFS_XUSB_HOST_CLKGATE_HYSTERESIS_0); in tegra_xusb_config()
826 static int tegra_xusb_clk_enable(struct tegra_xusb *tegra) in tegra_xusb_clk_enable() argument
830 err = clk_prepare_enable(tegra->pll_e); in tegra_xusb_clk_enable()
834 err = clk_prepare_enable(tegra->host_clk); in tegra_xusb_clk_enable()
838 err = clk_prepare_enable(tegra->ss_clk); in tegra_xusb_clk_enable()
842 err = clk_prepare_enable(tegra->falcon_clk); in tegra_xusb_clk_enable()
846 err = clk_prepare_enable(tegra->fs_src_clk); in tegra_xusb_clk_enable()
850 err = clk_prepare_enable(tegra->hs_src_clk); in tegra_xusb_clk_enable()
854 if (tegra->soc->scale_ss_clock) { in tegra_xusb_clk_enable()
855 err = tegra_xusb_set_ss_clk(tegra, TEGRA_XHCI_SS_HIGH_SPEED); in tegra_xusb_clk_enable()
863 clk_disable_unprepare(tegra->hs_src_clk); in tegra_xusb_clk_enable()
865 clk_disable_unprepare(tegra->fs_src_clk); in tegra_xusb_clk_enable()
867 clk_disable_unprepare(tegra->falcon_clk); in tegra_xusb_clk_enable()
869 clk_disable_unprepare(tegra->ss_clk); in tegra_xusb_clk_enable()
871 clk_disable_unprepare(tegra->host_clk); in tegra_xusb_clk_enable()
873 clk_disable_unprepare(tegra->pll_e); in tegra_xusb_clk_enable()
877 static void tegra_xusb_clk_disable(struct tegra_xusb *tegra) in tegra_xusb_clk_disable() argument
879 clk_disable_unprepare(tegra->pll_e); in tegra_xusb_clk_disable()
880 clk_disable_unprepare(tegra->host_clk); in tegra_xusb_clk_disable()
881 clk_disable_unprepare(tegra->ss_clk); in tegra_xusb_clk_disable()
882 clk_disable_unprepare(tegra->falcon_clk); in tegra_xusb_clk_disable()
883 clk_disable_unprepare(tegra->fs_src_clk); in tegra_xusb_clk_disable()
884 clk_disable_unprepare(tegra->hs_src_clk); in tegra_xusb_clk_disable()
887 static int tegra_xusb_phy_enable(struct tegra_xusb *tegra) in tegra_xusb_phy_enable() argument
892 for (i = 0; i < tegra->num_phys; i++) { in tegra_xusb_phy_enable()
893 err = phy_init(tegra->phys[i]); in tegra_xusb_phy_enable()
897 err = phy_power_on(tegra->phys[i]); in tegra_xusb_phy_enable()
899 phy_exit(tegra->phys[i]); in tegra_xusb_phy_enable()
908 phy_power_off(tegra->phys[i]); in tegra_xusb_phy_enable()
909 phy_exit(tegra->phys[i]); in tegra_xusb_phy_enable()
915 static void tegra_xusb_phy_disable(struct tegra_xusb *tegra) in tegra_xusb_phy_disable() argument
919 for (i = 0; i < tegra->num_phys; i++) { in tegra_xusb_phy_disable()
920 phy_power_off(tegra->phys[i]); in tegra_xusb_phy_disable()
921 phy_exit(tegra->phys[i]); in tegra_xusb_phy_disable()
926 static int tegra_xusb_init_context(struct tegra_xusb *tegra) in tegra_xusb_init_context() argument
928 const struct tegra_xusb_context_soc *soc = tegra->soc->context; in tegra_xusb_init_context()
930 tegra->context.ipfs = devm_kcalloc(tegra->dev, soc->ipfs.num_offsets, in tegra_xusb_init_context()
932 if (!tegra->context.ipfs) in tegra_xusb_init_context()
935 tegra->context.fpci = devm_kcalloc(tegra->dev, soc->fpci.num_offsets, in tegra_xusb_init_context()
937 if (!tegra->context.fpci) in tegra_xusb_init_context()
943 static inline int tegra_xusb_init_context(struct tegra_xusb *tegra) in tegra_xusb_init_context() argument
949 static int tegra_xusb_request_firmware(struct tegra_xusb *tegra) in tegra_xusb_request_firmware() argument
955 err = request_firmware(&fw, tegra->soc->firmware, tegra->dev); in tegra_xusb_request_firmware()
957 dev_err(tegra->dev, "failed to request firmware: %d\n", err); in tegra_xusb_request_firmware()
963 tegra->fw.size = le32_to_cpu(header->fwimg_len); in tegra_xusb_request_firmware()
965 tegra->fw.virt = dma_alloc_coherent(tegra->dev, tegra->fw.size, in tegra_xusb_request_firmware()
966 &tegra->fw.phys, GFP_KERNEL); in tegra_xusb_request_firmware()
967 if (!tegra->fw.virt) { in tegra_xusb_request_firmware()
968 dev_err(tegra->dev, "failed to allocate memory for firmware\n"); in tegra_xusb_request_firmware()
973 header = (struct tegra_xusb_fw_header *)tegra->fw.virt; in tegra_xusb_request_firmware()
974 memcpy(tegra->fw.virt, fw->data, tegra->fw.size); in tegra_xusb_request_firmware()
980 static int tegra_xusb_wait_for_falcon(struct tegra_xusb *tegra) in tegra_xusb_wait_for_falcon() argument
987 cap_regs = tegra->regs; in tegra_xusb_wait_for_falcon()
988 op_regs = tegra->regs + HC_LENGTH(readl(&cap_regs->hc_capbase)); in tegra_xusb_wait_for_falcon()
993 dev_err(tegra->dev, "XHCI Controller not ready. Falcon state: 0x%x\n", in tegra_xusb_wait_for_falcon()
994 csb_readl(tegra, XUSB_FALC_CPUCTL)); in tegra_xusb_wait_for_falcon()
999 static int tegra_xusb_load_firmware_rom(struct tegra_xusb *tegra) in tegra_xusb_load_firmware_rom() argument
1003 struct device *dev = tegra->dev; in tegra_xusb_load_firmware_rom()
1009 header = (struct tegra_xusb_fw_header *)tegra->fw.virt; in tegra_xusb_load_firmware_rom()
1011 if (csb_readl(tegra, XUSB_CSB_MP_ILOAD_BASE_LO) != 0) { in tegra_xusb_load_firmware_rom()
1013 csb_readl(tegra, XUSB_FALC_CPUCTL)); in tegra_xusb_load_firmware_rom()
1018 csb_writel(tegra, tegra->fw.size, XUSB_CSB_MP_ILOAD_ATTR); in tegra_xusb_load_firmware_rom()
1024 address = tegra->fw.phys + sizeof(*header); in tegra_xusb_load_firmware_rom()
1025 csb_writel(tegra, address >> 32, XUSB_CSB_MP_ILOAD_BASE_HI); in tegra_xusb_load_firmware_rom()
1026 csb_writel(tegra, address, XUSB_CSB_MP_ILOAD_BASE_LO); in tegra_xusb_load_firmware_rom()
1029 csb_writel(tegra, APMAP_BOOTPATH, XUSB_CSB_MP_APMAP); in tegra_xusb_load_firmware_rom()
1032 csb_writel(tegra, L2IMEMOP_INVALIDATE_ALL, XUSB_CSB_MP_L2IMEMOP_TRIG); in tegra_xusb_load_firmware_rom()
1048 csb_writel(tegra, value, XUSB_CSB_MP_L2IMEMOP_SIZE); in tegra_xusb_load_firmware_rom()
1051 csb_writel(tegra, L2IMEMOP_LOAD_LOCKED_RESULT, in tegra_xusb_load_firmware_rom()
1055 csb_writel(tegra, code_size_blocks, XUSB_FALC_IMFILLCTL); in tegra_xusb_load_firmware_rom()
1061 csb_writel(tegra, value, XUSB_FALC_IMFILLRNG1); in tegra_xusb_load_firmware_rom()
1063 csb_writel(tegra, 0, XUSB_FALC_DMACTL); in tegra_xusb_load_firmware_rom()
1066 #define tegra_csb_readl(offset) csb_readl(tegra, offset) in tegra_xusb_load_firmware_rom()
1076 csb_writel(tegra, le32_to_cpu(header->boot_codetag), in tegra_xusb_load_firmware_rom()
1080 csb_writel(tegra, CPUCTL_STARTCPU, XUSB_FALC_CPUCTL); in tegra_xusb_load_firmware_rom()
1082 if (tegra_xusb_wait_for_falcon(tegra)) in tegra_xusb_load_firmware_rom()
1092 static u32 tegra_xusb_read_firmware_header(struct tegra_xusb *tegra, u32 offset) in tegra_xusb_read_firmware_header() argument
1101 bar2_writel(tegra, (FW_IOCTL_CFGTBL_READ << FW_IOCTL_TYPE_SHIFT) | offset, in tegra_xusb_read_firmware_header()
1103 return bar2_readl(tegra, XUSB_BAR2_ARU_SMI_ARU_FW_SCRATCH_DATA0); in tegra_xusb_read_firmware_header()
1106 static int tegra_xusb_init_ifr_firmware(struct tegra_xusb *tegra) in tegra_xusb_init_ifr_firmware() argument
1110 if (tegra_xusb_wait_for_falcon(tegra)) in tegra_xusb_init_ifr_firmware()
1114 timestamp = tegra_xusb_read_firmware_header(tegra, offsetof_32(struct tegra_xusb_fw_header, in tegra_xusb_init_ifr_firmware()
1117 dev_info(tegra->dev, "Firmware timestamp: %ptTs UTC\n", ×tamp); in tegra_xusb_init_ifr_firmware()
1122 static int tegra_xusb_load_firmware(struct tegra_xusb *tegra) in tegra_xusb_load_firmware() argument
1124 if (!tegra->soc->firmware) in tegra_xusb_load_firmware()
1125 return tegra_xusb_init_ifr_firmware(tegra); in tegra_xusb_load_firmware()
1127 return tegra_xusb_load_firmware_rom(tegra); in tegra_xusb_load_firmware()
1131 struct tegra_xusb *tegra) in tegra_xusb_powerdomain_remove() argument
1133 if (!tegra->use_genpd) in tegra_xusb_powerdomain_remove()
1136 if (!IS_ERR_OR_NULL(tegra->genpd_dev_ss)) in tegra_xusb_powerdomain_remove()
1137 dev_pm_domain_detach(tegra->genpd_dev_ss, true); in tegra_xusb_powerdomain_remove()
1138 if (!IS_ERR_OR_NULL(tegra->genpd_dev_host)) in tegra_xusb_powerdomain_remove()
1139 dev_pm_domain_detach(tegra->genpd_dev_host, true); in tegra_xusb_powerdomain_remove()
1143 struct tegra_xusb *tegra) in tegra_xusb_powerdomain_init() argument
1147 tegra->genpd_dev_host = dev_pm_domain_attach_by_name(dev, "xusb_host"); in tegra_xusb_powerdomain_init()
1148 if (IS_ERR(tegra->genpd_dev_host)) { in tegra_xusb_powerdomain_init()
1149 err = PTR_ERR(tegra->genpd_dev_host); in tegra_xusb_powerdomain_init()
1154 tegra->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "xusb_ss"); in tegra_xusb_powerdomain_init()
1155 if (IS_ERR(tegra->genpd_dev_ss)) { in tegra_xusb_powerdomain_init()
1156 err = PTR_ERR(tegra->genpd_dev_ss); in tegra_xusb_powerdomain_init()
1161 tegra->use_genpd = true; in tegra_xusb_powerdomain_init()
1166 static int tegra_xusb_unpowergate_partitions(struct tegra_xusb *tegra) in tegra_xusb_unpowergate_partitions() argument
1168 struct device *dev = tegra->dev; in tegra_xusb_unpowergate_partitions()
1171 if (tegra->use_genpd) { in tegra_xusb_unpowergate_partitions()
1172 rc = pm_runtime_resume_and_get(tegra->genpd_dev_ss); in tegra_xusb_unpowergate_partitions()
1178 rc = pm_runtime_resume_and_get(tegra->genpd_dev_host); in tegra_xusb_unpowergate_partitions()
1181 pm_runtime_put_sync(tegra->genpd_dev_ss); in tegra_xusb_unpowergate_partitions()
1186 tegra->ss_clk, in tegra_xusb_unpowergate_partitions()
1187 tegra->ss_rst); in tegra_xusb_unpowergate_partitions()
1194 tegra->host_clk, in tegra_xusb_unpowergate_partitions()
1195 tegra->host_rst); in tegra_xusb_unpowergate_partitions()
1206 static int tegra_xusb_powergate_partitions(struct tegra_xusb *tegra) in tegra_xusb_powergate_partitions() argument
1208 struct device *dev = tegra->dev; in tegra_xusb_powergate_partitions()
1211 if (tegra->use_genpd) { in tegra_xusb_powergate_partitions()
1212 rc = pm_runtime_put_sync(tegra->genpd_dev_host); in tegra_xusb_powergate_partitions()
1218 rc = pm_runtime_put_sync(tegra->genpd_dev_ss); in tegra_xusb_powergate_partitions()
1221 pm_runtime_get_sync(tegra->genpd_dev_host); in tegra_xusb_powergate_partitions()
1235 tegra->host_clk, in tegra_xusb_powergate_partitions()
1236 tegra->host_rst); in tegra_xusb_powergate_partitions()
1244 static int __tegra_xusb_enable_firmware_messages(struct tegra_xusb *tegra) in __tegra_xusb_enable_firmware_messages() argument
1253 err = tegra_xusb_mbox_send(tegra, &msg); in __tegra_xusb_enable_firmware_messages()
1255 dev_err(tegra->dev, "failed to enable messages: %d\n", err); in __tegra_xusb_enable_firmware_messages()
1262 struct tegra_xusb *tegra = data; in tegra_xusb_padctl_irq() local
1264 mutex_lock(&tegra->lock); in tegra_xusb_padctl_irq()
1266 if (tegra->suspended) { in tegra_xusb_padctl_irq()
1267 mutex_unlock(&tegra->lock); in tegra_xusb_padctl_irq()
1271 mutex_unlock(&tegra->lock); in tegra_xusb_padctl_irq()
1273 pm_runtime_resume(tegra->dev); in tegra_xusb_padctl_irq()
1278 static int tegra_xusb_enable_firmware_messages(struct tegra_xusb *tegra) in tegra_xusb_enable_firmware_messages() argument
1282 mutex_lock(&tegra->lock); in tegra_xusb_enable_firmware_messages()
1283 err = __tegra_xusb_enable_firmware_messages(tegra); in tegra_xusb_enable_firmware_messages()
1284 mutex_unlock(&tegra->lock); in tegra_xusb_enable_firmware_messages()
1289 static void tegra_xhci_set_port_power(struct tegra_xusb *tegra, bool main, in tegra_xhci_set_port_power() argument
1292 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xhci_set_port_power()
1296 u16 wIndex = main ? tegra->otg_usb2_port + 1 : tegra->otg_usb3_port + 1; in tegra_xhci_set_port_power()
1301 dev_dbg(tegra->dev, "%s():%s %s port power\n", __func__, in tegra_xhci_set_port_power()
1320 dev_info(tegra->dev, "failed to %s %s PP %d\n", in tegra_xhci_set_port_power()
1325 static struct phy *tegra_xusb_get_phy(struct tegra_xusb *tegra, char *name, in tegra_xusb_get_phy() argument
1330 for (i = 0; i < tegra->soc->num_types; i++) { in tegra_xusb_get_phy()
1331 if (!strncmp(tegra->soc->phy_types[i].name, name, in tegra_xusb_get_phy()
1333 return tegra->phys[phy_count+port]; in tegra_xusb_get_phy()
1335 phy_count += tegra->soc->phy_types[i].num; in tegra_xusb_get_phy()
1343 struct tegra_xusb *tegra = container_of(work, struct tegra_xusb, in tegra_xhci_id_work() local
1345 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xhci_id_work()
1347 struct phy *phy = tegra_xusb_get_phy(tegra, "usb2", in tegra_xhci_id_work()
1348 tegra->otg_usb2_port); in tegra_xhci_id_work()
1352 dev_dbg(tegra->dev, "host mode %s\n", tegra->host_mode ? "on" : "off"); in tegra_xhci_id_work()
1354 mutex_lock(&tegra->lock); in tegra_xhci_id_work()
1356 if (tegra->host_mode) in tegra_xhci_id_work()
1361 mutex_unlock(&tegra->lock); in tegra_xhci_id_work()
1363 tegra->otg_usb3_port = tegra_xusb_padctl_get_usb3_companion(tegra->padctl, in tegra_xhci_id_work()
1364 tegra->otg_usb2_port); in tegra_xhci_id_work()
1366 if (tegra->host_mode) { in tegra_xhci_id_work()
1368 if (tegra->otg_usb3_port >= 0) { in tegra_xhci_id_work()
1369 if (tegra->soc->otg_reset_sspi) { in tegra_xhci_id_work()
1373 0, tegra->otg_usb3_port+1, in tegra_xhci_id_work()
1376 tegra_xhci_set_port_power(tegra, false, in tegra_xhci_id_work()
1381 msg.data = tegra->otg_usb3_port+1; in tegra_xhci_id_work()
1383 ret = tegra_xusb_mbox_send(tegra, &msg); in tegra_xhci_id_work()
1385 dev_info(tegra->dev, in tegra_xhci_id_work()
1391 tegra_xhci_set_port_power(tegra, false, true); in tegra_xhci_id_work()
1394 tegra_xhci_set_port_power(tegra, true, true); in tegra_xhci_id_work()
1397 if (tegra->otg_usb3_port >= 0) in tegra_xhci_id_work()
1398 tegra_xhci_set_port_power(tegra, false, false); in tegra_xhci_id_work()
1400 tegra_xhci_set_port_power(tegra, true, false); in tegra_xhci_id_work()
1405 static bool is_usb2_otg_phy(struct tegra_xusb *tegra, unsigned int index) in is_usb2_otg_phy() argument
1407 return (tegra->usbphy[index] != NULL); in is_usb2_otg_phy()
1410 static bool is_usb3_otg_phy(struct tegra_xusb *tegra, unsigned int index) in is_usb3_otg_phy() argument
1412 struct tegra_xusb_padctl *padctl = tegra->padctl; in is_usb3_otg_phy()
1416 for (i = 0; i < tegra->num_usb_phys; i++) { in is_usb3_otg_phy()
1417 if (is_usb2_otg_phy(tegra, i)) { in is_usb3_otg_phy()
1427 static bool is_host_mode_phy(struct tegra_xusb *tegra, unsigned int phy_type, unsigned int index) in is_host_mode_phy() argument
1429 if (strcmp(tegra->soc->phy_types[phy_type].name, "hsic") == 0) in is_host_mode_phy()
1432 if (strcmp(tegra->soc->phy_types[phy_type].name, "usb2") == 0) { in is_host_mode_phy()
1433 if (is_usb2_otg_phy(tegra, index)) in is_host_mode_phy()
1434 return ((index == tegra->otg_usb2_port) && tegra->host_mode); in is_host_mode_phy()
1439 if (strcmp(tegra->soc->phy_types[phy_type].name, "usb3") == 0) { in is_host_mode_phy()
1440 if (is_usb3_otg_phy(tegra, index)) in is_host_mode_phy()
1441 return ((index == tegra->otg_usb3_port) && tegra->host_mode); in is_host_mode_phy()
1450 static int tegra_xusb_get_usb2_port(struct tegra_xusb *tegra, in tegra_xusb_get_usb2_port() argument
1455 for (i = 0; i < tegra->num_usb_phys; i++) { in tegra_xusb_get_usb2_port()
1456 if (tegra->usbphy[i] && usbphy == tegra->usbphy[i]) in tegra_xusb_get_usb2_port()
1466 struct tegra_xusb *tegra = container_of(nb, struct tegra_xusb, in tegra_xhci_id_notify() local
1470 dev_dbg(tegra->dev, "%s(): action is %d", __func__, usbphy->last_event); in tegra_xhci_id_notify()
1472 if ((tegra->host_mode && usbphy->last_event == USB_EVENT_ID) || in tegra_xhci_id_notify()
1473 (!tegra->host_mode && usbphy->last_event != USB_EVENT_ID)) { in tegra_xhci_id_notify()
1474 dev_dbg(tegra->dev, "Same role(%d) received. Ignore", in tegra_xhci_id_notify()
1475 tegra->host_mode); in tegra_xhci_id_notify()
1479 tegra->otg_usb2_port = tegra_xusb_get_usb2_port(tegra, usbphy); in tegra_xhci_id_notify()
1481 tegra->host_mode = (usbphy->last_event == USB_EVENT_ID) ? true : false; in tegra_xhci_id_notify()
1483 schedule_work(&tegra->id_work); in tegra_xhci_id_notify()
1488 static int tegra_xusb_init_usb_phy(struct tegra_xusb *tegra) in tegra_xusb_init_usb_phy() argument
1492 tegra->usbphy = devm_kcalloc(tegra->dev, tegra->num_usb_phys, in tegra_xusb_init_usb_phy()
1493 sizeof(*tegra->usbphy), GFP_KERNEL); in tegra_xusb_init_usb_phy()
1494 if (!tegra->usbphy) in tegra_xusb_init_usb_phy()
1497 INIT_WORK(&tegra->id_work, tegra_xhci_id_work); in tegra_xusb_init_usb_phy()
1498 tegra->id_nb.notifier_call = tegra_xhci_id_notify; in tegra_xusb_init_usb_phy()
1499 tegra->otg_usb2_port = -EINVAL; in tegra_xusb_init_usb_phy()
1500 tegra->otg_usb3_port = -EINVAL; in tegra_xusb_init_usb_phy()
1502 for (i = 0; i < tegra->num_usb_phys; i++) { in tegra_xusb_init_usb_phy()
1503 struct phy *phy = tegra_xusb_get_phy(tegra, "usb2", i); in tegra_xusb_init_usb_phy()
1508 tegra->usbphy[i] = devm_usb_get_phy_by_node(tegra->dev, in tegra_xusb_init_usb_phy()
1510 &tegra->id_nb); in tegra_xusb_init_usb_phy()
1511 if (!IS_ERR(tegra->usbphy[i])) { in tegra_xusb_init_usb_phy()
1512 dev_dbg(tegra->dev, "usbphy-%d registered", i); in tegra_xusb_init_usb_phy()
1513 otg_set_host(tegra->usbphy[i]->otg, &tegra->hcd->self); in tegra_xusb_init_usb_phy()
1518 tegra->usbphy[i] = NULL; in tegra_xusb_init_usb_phy()
1525 static void tegra_xusb_deinit_usb_phy(struct tegra_xusb *tegra) in tegra_xusb_deinit_usb_phy() argument
1529 cancel_work_sync(&tegra->id_work); in tegra_xusb_deinit_usb_phy()
1531 for (i = 0; i < tegra->num_usb_phys; i++) in tegra_xusb_deinit_usb_phy()
1532 if (tegra->usbphy[i]) in tegra_xusb_deinit_usb_phy()
1533 otg_set_host(tegra->usbphy[i]->otg, NULL); in tegra_xusb_deinit_usb_phy()
1538 struct tegra_xusb *tegra; in tegra_xusb_probe() local
1548 tegra = devm_kzalloc(&pdev->dev, sizeof(*tegra), GFP_KERNEL); in tegra_xusb_probe()
1549 if (!tegra) in tegra_xusb_probe()
1552 tegra->soc = of_device_get_match_data(&pdev->dev); in tegra_xusb_probe()
1553 mutex_init(&tegra->lock); in tegra_xusb_probe()
1554 tegra->dev = &pdev->dev; in tegra_xusb_probe()
1556 err = tegra_xusb_init_context(tegra); in tegra_xusb_probe()
1560 tegra->regs = devm_platform_get_and_ioremap_resource(pdev, 0, ®s); in tegra_xusb_probe()
1561 if (IS_ERR(tegra->regs)) in tegra_xusb_probe()
1562 return PTR_ERR(tegra->regs); in tegra_xusb_probe()
1564 tegra->fpci_base = devm_platform_ioremap_resource(pdev, 1); in tegra_xusb_probe()
1565 if (IS_ERR(tegra->fpci_base)) in tegra_xusb_probe()
1566 return PTR_ERR(tegra->fpci_base); in tegra_xusb_probe()
1568 if (tegra->soc->has_ipfs) { in tegra_xusb_probe()
1569 tegra->ipfs_base = devm_platform_ioremap_resource(pdev, 2); in tegra_xusb_probe()
1570 if (IS_ERR(tegra->ipfs_base)) in tegra_xusb_probe()
1571 return PTR_ERR(tegra->ipfs_base); in tegra_xusb_probe()
1572 } else if (tegra->soc->has_bar2) { in tegra_xusb_probe()
1573 tegra->bar2_base = devm_platform_get_and_ioremap_resource(pdev, 2, &tegra->bar2); in tegra_xusb_probe()
1574 if (IS_ERR(tegra->bar2_base)) in tegra_xusb_probe()
1575 return PTR_ERR(tegra->bar2_base); in tegra_xusb_probe()
1578 tegra->xhci_irq = platform_get_irq(pdev, 0); in tegra_xusb_probe()
1579 if (tegra->xhci_irq < 0) in tegra_xusb_probe()
1580 return tegra->xhci_irq; in tegra_xusb_probe()
1582 tegra->mbox_irq = platform_get_irq(pdev, 1); in tegra_xusb_probe()
1583 if (tegra->mbox_irq < 0) in tegra_xusb_probe()
1584 return tegra->mbox_irq; in tegra_xusb_probe()
1586 tegra->padctl = tegra_xusb_padctl_get(&pdev->dev); in tegra_xusb_probe()
1587 if (IS_ERR(tegra->padctl)) in tegra_xusb_probe()
1588 return PTR_ERR(tegra->padctl); in tegra_xusb_probe()
1596 tegra->padctl_irq = of_irq_get(np, 0); in tegra_xusb_probe()
1597 if (tegra->padctl_irq == -EPROBE_DEFER) { in tegra_xusb_probe()
1598 err = tegra->padctl_irq; in tegra_xusb_probe()
1600 } else if (tegra->padctl_irq <= 0) { in tegra_xusb_probe()
1602 tegra->padctl_irq = 0; in tegra_xusb_probe()
1607 tegra->host_clk = devm_clk_get(&pdev->dev, "xusb_host"); in tegra_xusb_probe()
1608 if (IS_ERR(tegra->host_clk)) { in tegra_xusb_probe()
1609 err = PTR_ERR(tegra->host_clk); in tegra_xusb_probe()
1614 tegra->falcon_clk = devm_clk_get(&pdev->dev, "xusb_falcon_src"); in tegra_xusb_probe()
1615 if (IS_ERR(tegra->falcon_clk)) { in tegra_xusb_probe()
1616 err = PTR_ERR(tegra->falcon_clk); in tegra_xusb_probe()
1621 tegra->ss_clk = devm_clk_get(&pdev->dev, "xusb_ss"); in tegra_xusb_probe()
1622 if (IS_ERR(tegra->ss_clk)) { in tegra_xusb_probe()
1623 err = PTR_ERR(tegra->ss_clk); in tegra_xusb_probe()
1628 tegra->ss_src_clk = devm_clk_get(&pdev->dev, "xusb_ss_src"); in tegra_xusb_probe()
1629 if (IS_ERR(tegra->ss_src_clk)) { in tegra_xusb_probe()
1630 err = PTR_ERR(tegra->ss_src_clk); in tegra_xusb_probe()
1635 tegra->hs_src_clk = devm_clk_get(&pdev->dev, "xusb_hs_src"); in tegra_xusb_probe()
1636 if (IS_ERR(tegra->hs_src_clk)) { in tegra_xusb_probe()
1637 err = PTR_ERR(tegra->hs_src_clk); in tegra_xusb_probe()
1642 tegra->fs_src_clk = devm_clk_get(&pdev->dev, "xusb_fs_src"); in tegra_xusb_probe()
1643 if (IS_ERR(tegra->fs_src_clk)) { in tegra_xusb_probe()
1644 err = PTR_ERR(tegra->fs_src_clk); in tegra_xusb_probe()
1649 tegra->pll_u_480m = devm_clk_get(&pdev->dev, "pll_u_480m"); in tegra_xusb_probe()
1650 if (IS_ERR(tegra->pll_u_480m)) { in tegra_xusb_probe()
1651 err = PTR_ERR(tegra->pll_u_480m); in tegra_xusb_probe()
1656 tegra->clk_m = devm_clk_get(&pdev->dev, "clk_m"); in tegra_xusb_probe()
1657 if (IS_ERR(tegra->clk_m)) { in tegra_xusb_probe()
1658 err = PTR_ERR(tegra->clk_m); in tegra_xusb_probe()
1663 tegra->pll_e = devm_clk_get(&pdev->dev, "pll_e"); in tegra_xusb_probe()
1664 if (IS_ERR(tegra->pll_e)) { in tegra_xusb_probe()
1665 err = PTR_ERR(tegra->pll_e); in tegra_xusb_probe()
1671 tegra->host_rst = devm_reset_control_get(&pdev->dev, in tegra_xusb_probe()
1673 if (IS_ERR(tegra->host_rst)) { in tegra_xusb_probe()
1674 err = PTR_ERR(tegra->host_rst); in tegra_xusb_probe()
1680 tegra->ss_rst = devm_reset_control_get(&pdev->dev, "xusb_ss"); in tegra_xusb_probe()
1681 if (IS_ERR(tegra->ss_rst)) { in tegra_xusb_probe()
1682 err = PTR_ERR(tegra->ss_rst); in tegra_xusb_probe()
1688 err = tegra_xusb_powerdomain_init(&pdev->dev, tegra); in tegra_xusb_probe()
1693 tegra->supplies = devm_kcalloc(&pdev->dev, tegra->soc->num_supplies, in tegra_xusb_probe()
1694 sizeof(*tegra->supplies), GFP_KERNEL); in tegra_xusb_probe()
1695 if (!tegra->supplies) { in tegra_xusb_probe()
1700 regulator_bulk_set_supply_names(tegra->supplies, in tegra_xusb_probe()
1701 tegra->soc->supply_names, in tegra_xusb_probe()
1702 tegra->soc->num_supplies); in tegra_xusb_probe()
1704 err = devm_regulator_bulk_get(&pdev->dev, tegra->soc->num_supplies, in tegra_xusb_probe()
1705 tegra->supplies); in tegra_xusb_probe()
1711 for (i = 0; i < tegra->soc->num_types; i++) { in tegra_xusb_probe()
1712 if (!strncmp(tegra->soc->phy_types[i].name, "usb2", 4)) in tegra_xusb_probe()
1713 tegra->num_usb_phys = tegra->soc->phy_types[i].num; in tegra_xusb_probe()
1714 tegra->num_phys += tegra->soc->phy_types[i].num; in tegra_xusb_probe()
1717 tegra->phys = devm_kcalloc(&pdev->dev, tegra->num_phys, in tegra_xusb_probe()
1718 sizeof(*tegra->phys), GFP_KERNEL); in tegra_xusb_probe()
1719 if (!tegra->phys) { in tegra_xusb_probe()
1724 for (i = 0, k = 0; i < tegra->soc->num_types; i++) { in tegra_xusb_probe()
1727 for (j = 0; j < tegra->soc->phy_types[i].num; j++) { in tegra_xusb_probe()
1729 tegra->soc->phy_types[i].name, j); in tegra_xusb_probe()
1740 tegra->phys[k++] = phy; in tegra_xusb_probe()
1744 tegra->hcd = usb_create_hcd(&tegra_xhci_hc_driver, &pdev->dev, in tegra_xusb_probe()
1746 if (!tegra->hcd) { in tegra_xusb_probe()
1751 tegra->hcd->skip_phy_initialization = 1; in tegra_xusb_probe()
1752 tegra->hcd->regs = tegra->regs; in tegra_xusb_probe()
1753 tegra->hcd->rsrc_start = regs->start; in tegra_xusb_probe()
1754 tegra->hcd->rsrc_len = resource_size(regs); in tegra_xusb_probe()
1760 platform_set_drvdata(pdev, tegra); in tegra_xusb_probe()
1762 err = tegra_xusb_clk_enable(tegra); in tegra_xusb_probe()
1764 dev_err(tegra->dev, "failed to enable clocks: %d\n", err); in tegra_xusb_probe()
1768 err = regulator_bulk_enable(tegra->soc->num_supplies, tegra->supplies); in tegra_xusb_probe()
1770 dev_err(tegra->dev, "failed to enable regulators: %d\n", err); in tegra_xusb_probe()
1774 err = tegra_xusb_phy_enable(tegra); in tegra_xusb_probe()
1784 err = dma_set_mask_and_coherent(tegra->dev, DMA_BIT_MASK(40)); in tegra_xusb_probe()
1790 if (tegra->soc->firmware) { in tegra_xusb_probe()
1791 err = tegra_xusb_request_firmware(tegra); in tegra_xusb_probe()
1799 err = tegra_xusb_unpowergate_partitions(tegra); in tegra_xusb_probe()
1803 tegra_xusb_config(tegra); in tegra_xusb_probe()
1805 err = tegra_xusb_load_firmware(tegra); in tegra_xusb_probe()
1811 err = usb_add_hcd(tegra->hcd, tegra->xhci_irq, IRQF_SHARED); in tegra_xusb_probe()
1817 device_wakeup_enable(tegra->hcd->self.controller); in tegra_xusb_probe()
1819 xhci = hcd_to_xhci(tegra->hcd); in tegra_xusb_probe()
1824 tegra->hcd); in tegra_xusb_probe()
1834 err = usb_add_hcd(xhci->shared_hcd, tegra->xhci_irq, IRQF_SHARED); in tegra_xusb_probe()
1840 err = devm_request_threaded_irq(&pdev->dev, tegra->mbox_irq, in tegra_xusb_probe()
1843 dev_name(&pdev->dev), tegra); in tegra_xusb_probe()
1849 if (tegra->padctl_irq) { in tegra_xusb_probe()
1850 err = devm_request_threaded_irq(&pdev->dev, tegra->padctl_irq, in tegra_xusb_probe()
1853 tegra); in tegra_xusb_probe()
1860 err = tegra_xusb_enable_firmware_messages(tegra); in tegra_xusb_probe()
1866 err = tegra_xusb_init_usb_phy(tegra); in tegra_xusb_probe()
1873 device_init_wakeup(&tegra->hcd->self.root_hub->dev, true); in tegra_xusb_probe()
1876 pm_runtime_use_autosuspend(tegra->dev); in tegra_xusb_probe()
1877 pm_runtime_set_autosuspend_delay(tegra->dev, 2000); in tegra_xusb_probe()
1878 pm_runtime_mark_last_busy(tegra->dev); in tegra_xusb_probe()
1879 pm_runtime_set_active(tegra->dev); in tegra_xusb_probe()
1881 if (tegra->padctl_irq) { in tegra_xusb_probe()
1882 device_init_wakeup(tegra->dev, true); in tegra_xusb_probe()
1883 pm_runtime_enable(tegra->dev); in tegra_xusb_probe()
1893 usb_remove_hcd(tegra->hcd); in tegra_xusb_probe()
1895 tegra_xusb_powergate_partitions(tegra); in tegra_xusb_probe()
1897 dma_free_coherent(&pdev->dev, tegra->fw.size, tegra->fw.virt, in tegra_xusb_probe()
1898 tegra->fw.phys); in tegra_xusb_probe()
1900 tegra_xusb_phy_disable(tegra); in tegra_xusb_probe()
1902 regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies); in tegra_xusb_probe()
1904 tegra_xusb_clk_disable(tegra); in tegra_xusb_probe()
1906 usb_put_hcd(tegra->hcd); in tegra_xusb_probe()
1908 tegra_xusb_powerdomain_remove(&pdev->dev, tegra); in tegra_xusb_probe()
1911 tegra_xusb_padctl_put(tegra->padctl); in tegra_xusb_probe()
1915 static void tegra_xusb_disable(struct tegra_xusb *tegra) in tegra_xusb_disable() argument
1917 tegra_xusb_powergate_partitions(tegra); in tegra_xusb_disable()
1918 tegra_xusb_powerdomain_remove(tegra->dev, tegra); in tegra_xusb_disable()
1919 tegra_xusb_phy_disable(tegra); in tegra_xusb_disable()
1920 tegra_xusb_clk_disable(tegra); in tegra_xusb_disable()
1921 regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies); in tegra_xusb_disable()
1926 struct tegra_xusb *tegra = platform_get_drvdata(pdev); in tegra_xusb_remove() local
1927 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xusb_remove()
1929 tegra_xusb_deinit_usb_phy(tegra); in tegra_xusb_remove()
1935 usb_remove_hcd(tegra->hcd); in tegra_xusb_remove()
1936 usb_put_hcd(tegra->hcd); in tegra_xusb_remove()
1938 dma_free_coherent(&pdev->dev, tegra->fw.size, tegra->fw.virt, in tegra_xusb_remove()
1939 tegra->fw.phys); in tegra_xusb_remove()
1941 if (tegra->padctl_irq) in tegra_xusb_remove()
1946 tegra_xusb_disable(tegra); in tegra_xusb_remove()
1947 tegra_xusb_padctl_put(tegra->padctl); in tegra_xusb_remove()
1952 struct tegra_xusb *tegra = platform_get_drvdata(pdev); in tegra_xusb_shutdown() local
1955 disable_irq(tegra->xhci_irq); in tegra_xusb_shutdown()
1956 xhci_shutdown(tegra->hcd); in tegra_xusb_shutdown()
1957 tegra_xusb_disable(tegra); in tegra_xusb_shutdown()
1982 static int tegra_xusb_check_ports(struct tegra_xusb *tegra) in tegra_xusb_check_ports() argument
1984 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xusb_check_ports()
2007 static void tegra_xusb_save_context(struct tegra_xusb *tegra) in tegra_xusb_save_context() argument
2009 const struct tegra_xusb_context_soc *soc = tegra->soc->context; in tegra_xusb_save_context()
2010 struct tegra_xusb_context *ctx = &tegra->context; in tegra_xusb_save_context()
2015 ctx->ipfs[i] = ipfs_readl(tegra, soc->ipfs.offsets[i]); in tegra_xusb_save_context()
2020 ctx->fpci[i] = fpci_readl(tegra, soc->fpci.offsets[i]); in tegra_xusb_save_context()
2024 static void tegra_xusb_restore_context(struct tegra_xusb *tegra) in tegra_xusb_restore_context() argument
2026 const struct tegra_xusb_context_soc *soc = tegra->soc->context; in tegra_xusb_restore_context()
2027 struct tegra_xusb_context *ctx = &tegra->context; in tegra_xusb_restore_context()
2032 fpci_writel(tegra, ctx->fpci[i], soc->fpci.offsets[i]); in tegra_xusb_restore_context()
2037 ipfs_writel(tegra, ctx->ipfs[i], soc->ipfs.offsets[i]); in tegra_xusb_restore_context()
2041 static enum usb_device_speed tegra_xhci_portsc_to_speed(struct tegra_xusb *tegra, u32 portsc) in tegra_xhci_portsc_to_speed() argument
2058 static void tegra_xhci_enable_phy_sleepwalk_wake(struct tegra_xusb *tegra) in tegra_xhci_enable_phy_sleepwalk_wake() argument
2060 struct tegra_xusb_padctl *padctl = tegra->padctl; in tegra_xhci_enable_phy_sleepwalk_wake()
2061 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xhci_enable_phy_sleepwalk_wake()
2069 for (i = 0, k = 0; i < tegra->soc->num_types; i++) { in tegra_xhci_enable_phy_sleepwalk_wake()
2070 if (strcmp(tegra->soc->phy_types[i].name, "usb3") == 0) in tegra_xhci_enable_phy_sleepwalk_wake()
2075 if (strcmp(tegra->soc->phy_types[i].name, "hsic") == 0) in tegra_xhci_enable_phy_sleepwalk_wake()
2076 offset = tegra->soc->ports.usb2.count; in tegra_xhci_enable_phy_sleepwalk_wake()
2080 for (j = 0; j < tegra->soc->phy_types[i].num; j++) { in tegra_xhci_enable_phy_sleepwalk_wake()
2081 phy = tegra->phys[k++]; in tegra_xhci_enable_phy_sleepwalk_wake()
2091 if (!is_host_mode_phy(tegra, i, j)) in tegra_xhci_enable_phy_sleepwalk_wake()
2095 speed = tegra_xhci_portsc_to_speed(tegra, portsc); in tegra_xhci_enable_phy_sleepwalk_wake()
2102 static void tegra_xhci_disable_phy_wake(struct tegra_xusb *tegra) in tegra_xhci_disable_phy_wake() argument
2104 struct tegra_xusb_padctl *padctl = tegra->padctl; in tegra_xhci_disable_phy_wake()
2107 for (i = 0; i < tegra->num_usb_phys; i++) { in tegra_xhci_disable_phy_wake()
2108 struct phy *phy = tegra_xusb_get_phy(tegra, "usb2", i); in tegra_xhci_disable_phy_wake()
2117 for (i = 0; i < tegra->num_phys; i++) { in tegra_xhci_disable_phy_wake()
2118 if (!tegra->phys[i]) in tegra_xhci_disable_phy_wake()
2121 if (tegra_xusb_padctl_remote_wake_detected(padctl, tegra->phys[i])) in tegra_xhci_disable_phy_wake()
2122 dev_dbg(tegra->dev, "%pOF remote wake detected\n", in tegra_xhci_disable_phy_wake()
2123 tegra->phys[i]->dev.of_node); in tegra_xhci_disable_phy_wake()
2125 tegra_xusb_padctl_disable_phy_wake(padctl, tegra->phys[i]); in tegra_xhci_disable_phy_wake()
2129 static void tegra_xhci_disable_phy_sleepwalk(struct tegra_xusb *tegra) in tegra_xhci_disable_phy_sleepwalk() argument
2131 struct tegra_xusb_padctl *padctl = tegra->padctl; in tegra_xhci_disable_phy_sleepwalk()
2134 for (i = 0; i < tegra->num_phys; i++) { in tegra_xhci_disable_phy_sleepwalk()
2135 if (!tegra->phys[i]) in tegra_xhci_disable_phy_sleepwalk()
2138 tegra_xusb_padctl_disable_phy_sleepwalk(padctl, tegra->phys[i]); in tegra_xhci_disable_phy_sleepwalk()
2142 static void tegra_xhci_program_utmi_power_lp0_exit(struct tegra_xusb *tegra) in tegra_xhci_program_utmi_power_lp0_exit() argument
2147 for (i = 0; i < tegra->soc->num_types; i++) { in tegra_xhci_program_utmi_power_lp0_exit()
2148 if (strcmp(tegra->soc->phy_types[i].name, "usb2") == 0) in tegra_xhci_program_utmi_power_lp0_exit()
2152 for (i = 0; i < tegra->num_usb_phys; i++) { in tegra_xhci_program_utmi_power_lp0_exit()
2153 if (!is_host_mode_phy(tegra, index_to_usb2, i)) in tegra_xhci_program_utmi_power_lp0_exit()
2156 phy = tegra_xusb_get_phy(tegra, "usb2", i); in tegra_xhci_program_utmi_power_lp0_exit()
2157 if (tegra->lp0_utmi_pad_mask & BIT(i)) in tegra_xhci_program_utmi_power_lp0_exit()
2164 static int tegra_xusb_enter_elpg(struct tegra_xusb *tegra, bool runtime) in tegra_xusb_enter_elpg() argument
2166 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xusb_enter_elpg()
2167 struct device *dev = tegra->dev; in tegra_xusb_enter_elpg()
2180 err = tegra_xusb_check_ports(tegra); in tegra_xusb_enter_elpg()
2182 dev_err(tegra->dev, "not all ports suspended: %d\n", err); in tegra_xusb_enter_elpg()
2186 for (i = 0; i < tegra->num_usb_phys; i++) { in tegra_xusb_enter_elpg()
2190 tegra->lp0_utmi_pad_mask &= ~BIT(i); in tegra_xusb_enter_elpg()
2192 tegra->lp0_utmi_pad_mask |= BIT(i); in tegra_xusb_enter_elpg()
2197 dev_err(tegra->dev, "failed to suspend XHCI: %d\n", err); in tegra_xusb_enter_elpg()
2201 tegra_xusb_save_context(tegra); in tegra_xusb_enter_elpg()
2204 tegra_xhci_enable_phy_sleepwalk_wake(tegra); in tegra_xusb_enter_elpg()
2206 tegra_xusb_powergate_partitions(tegra); in tegra_xusb_enter_elpg()
2208 for (i = 0; i < tegra->num_phys; i++) { in tegra_xusb_enter_elpg()
2209 if (!tegra->phys[i]) in tegra_xusb_enter_elpg()
2212 phy_power_off(tegra->phys[i]); in tegra_xusb_enter_elpg()
2214 phy_exit(tegra->phys[i]); in tegra_xusb_enter_elpg()
2217 tegra_xusb_clk_disable(tegra); in tegra_xusb_enter_elpg()
2221 dev_dbg(tegra->dev, "entering ELPG done\n"); in tegra_xusb_enter_elpg()
2227 dev_dbg(tegra->dev, "entering ELPG failed\n"); in tegra_xusb_enter_elpg()
2228 pm_runtime_mark_last_busy(tegra->dev); in tegra_xusb_enter_elpg()
2234 static int tegra_xusb_exit_elpg(struct tegra_xusb *tegra, bool runtime) in tegra_xusb_exit_elpg() argument
2236 struct xhci_hcd *xhci = hcd_to_xhci(tegra->hcd); in tegra_xusb_exit_elpg()
2237 struct device *dev = tegra->dev; in tegra_xusb_exit_elpg()
2244 pm_runtime_mark_last_busy(tegra->dev); in tegra_xusb_exit_elpg()
2246 err = tegra_xusb_clk_enable(tegra); in tegra_xusb_exit_elpg()
2248 dev_err(tegra->dev, "failed to enable clocks: %d\n", err); in tegra_xusb_exit_elpg()
2252 err = tegra_xusb_unpowergate_partitions(tegra); in tegra_xusb_exit_elpg()
2257 tegra_xhci_disable_phy_wake(tegra); in tegra_xusb_exit_elpg()
2259 for (i = 0; i < tegra->num_phys; i++) { in tegra_xusb_exit_elpg()
2260 if (!tegra->phys[i]) in tegra_xusb_exit_elpg()
2264 phy_init(tegra->phys[i]); in tegra_xusb_exit_elpg()
2266 phy_power_on(tegra->phys[i]); in tegra_xusb_exit_elpg()
2268 if (tegra->suspended) in tegra_xusb_exit_elpg()
2269 tegra_xhci_program_utmi_power_lp0_exit(tegra); in tegra_xusb_exit_elpg()
2271 tegra_xusb_config(tegra); in tegra_xusb_exit_elpg()
2272 tegra_xusb_restore_context(tegra); in tegra_xusb_exit_elpg()
2274 err = tegra_xusb_load_firmware(tegra); in tegra_xusb_exit_elpg()
2276 dev_err(tegra->dev, "failed to load firmware: %d\n", err); in tegra_xusb_exit_elpg()
2280 err = __tegra_xusb_enable_firmware_messages(tegra); in tegra_xusb_exit_elpg()
2282 dev_err(tegra->dev, "failed to enable messages: %d\n", err); in tegra_xusb_exit_elpg()
2287 tegra_xhci_disable_phy_sleepwalk(tegra); in tegra_xusb_exit_elpg()
2291 dev_err(tegra->dev, "failed to resume XHCI: %d\n", err); in tegra_xusb_exit_elpg()
2302 for (i = 0; i < tegra->num_phys; i++) { in tegra_xusb_exit_elpg()
2303 if (!tegra->phys[i]) in tegra_xusb_exit_elpg()
2306 phy_power_off(tegra->phys[i]); in tegra_xusb_exit_elpg()
2308 phy_exit(tegra->phys[i]); in tegra_xusb_exit_elpg()
2310 tegra_xusb_powergate_partitions(tegra); in tegra_xusb_exit_elpg()
2312 tegra_xusb_clk_disable(tegra); in tegra_xusb_exit_elpg()
2324 struct tegra_xusb *tegra = dev_get_drvdata(dev); in tegra_xusb_suspend() local
2327 synchronize_irq(tegra->mbox_irq); in tegra_xusb_suspend()
2329 mutex_lock(&tegra->lock); in tegra_xusb_suspend()
2332 err = tegra_xusb_exit_elpg(tegra, true); in tegra_xusb_suspend()
2337 err = tegra_xusb_enter_elpg(tegra, false); in tegra_xusb_suspend()
2350 tegra->suspended = true; in tegra_xusb_suspend()
2354 if (enable_irq_wake(tegra->padctl_irq)) in tegra_xusb_suspend()
2359 mutex_unlock(&tegra->lock); in tegra_xusb_suspend()
2366 struct tegra_xusb *tegra = dev_get_drvdata(dev); in tegra_xusb_resume() local
2369 mutex_lock(&tegra->lock); in tegra_xusb_resume()
2371 if (!tegra->suspended) { in tegra_xusb_resume()
2372 mutex_unlock(&tegra->lock); in tegra_xusb_resume()
2376 err = tegra_xusb_exit_elpg(tegra, false); in tegra_xusb_resume()
2378 mutex_unlock(&tegra->lock); in tegra_xusb_resume()
2383 if (disable_irq_wake(tegra->padctl_irq)) in tegra_xusb_resume()
2386 tegra->suspended = false; in tegra_xusb_resume()
2387 mutex_unlock(&tegra->lock); in tegra_xusb_resume()
2397 struct tegra_xusb *tegra = dev_get_drvdata(dev); in tegra_xusb_runtime_suspend() local
2400 synchronize_irq(tegra->mbox_irq); in tegra_xusb_runtime_suspend()
2401 mutex_lock(&tegra->lock); in tegra_xusb_runtime_suspend()
2402 ret = tegra_xusb_enter_elpg(tegra, true); in tegra_xusb_runtime_suspend()
2403 mutex_unlock(&tegra->lock); in tegra_xusb_runtime_suspend()
2410 struct tegra_xusb *tegra = dev_get_drvdata(dev); in tegra_xusb_runtime_resume() local
2413 mutex_lock(&tegra->lock); in tegra_xusb_runtime_resume()
2414 err = tegra_xusb_exit_elpg(tegra, true); in tegra_xusb_runtime_resume()
2415 mutex_unlock(&tegra->lock); in tegra_xusb_runtime_resume()
2670 .name = "tegra-xusb",
2678 struct tegra_xusb *tegra = dev_get_drvdata(dev); in tegra_xhci_quirks() local
2680 if (tegra && tegra->soc->lpm_support) in tegra_xhci_quirks()
2692 struct tegra_xusb *tegra = dev_get_drvdata(hcd->self.controller); in tegra_xhci_hub_control() local
2714 tegra_xusb_get_phy(tegra, "usb2", (int) i)); in tegra_xhci_hub_control()
2719 phy = tegra_xusb_get_phy(tegra, "usb2", port); in tegra_xhci_hub_control()
2784 MODULE_DESCRIPTION("NVIDIA Tegra XUSB xHCI host-controller driver");