| /kernel/linux/linux-6.6/drivers/usb/host/ |
| D | ehci-hcd.c | 3 * Enhanced Host Controller Interface (EHCI) driver for USB.
44 * EHCI hc_driver implementation ... experimental, incomplete.
58 #define DRIVER_DESC "USB 2.0 'Enhanced' Host Controller (EHCI) Driver"
98 #include "ehci.h"
111 static unsigned ehci_moschip_read_frame_index(struct ehci_hcd *ehci) in ehci_moschip_read_frame_index() argument
115 uf = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_moschip_read_frame_index()
117 uf = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_moschip_read_frame_index()
121 static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci) in ehci_read_frame_index() argument
123 if (ehci->frame_index_bug) in ehci_read_frame_index()
124 return ehci_moschip_read_frame_index(ehci); in ehci_read_frame_index()
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| D | ehci-hub.c | 6 /* this file is part of ehci-hcd.c */
11 * EHCI Root Hub ... the nonsharable stuff
22 static void unlink_empty_async_suspended(struct ehci_hcd *ehci);
33 static void ehci_handover_companion_ports(struct ehci_hcd *ehci) in ehci_handover_companion_ports() argument
39 struct usb_hcd *hcd = ehci_to_hcd(ehci); in ehci_handover_companion_ports()
41 if (!ehci->owned_ports) in ehci_handover_companion_ports()
55 port = HCS_N_PORTS(ehci->hcs_params); in ehci_handover_companion_ports()
57 if (test_bit(port, &ehci->owned_ports)) { in ehci_handover_companion_ports()
58 reg = &ehci->regs->port_status[port]; in ehci_handover_companion_ports()
59 status = ehci_readl(ehci, reg) & ~PORT_RWC_BITS; in ehci_handover_companion_ports()
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| D | ehci-timer.c | 6 /* This file is part of ehci-hcd.c */
11 static void ehci_set_command_bit(struct ehci_hcd *ehci, u32 bit) in ehci_set_command_bit() argument
13 ehci->command |= bit; in ehci_set_command_bit()
14 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_set_command_bit()
17 ehci_readl(ehci, &ehci->regs->command); in ehci_set_command_bit()
21 static void ehci_clear_command_bit(struct ehci_hcd *ehci, u32 bit) in ehci_clear_command_bit() argument
23 ehci->command &= ~bit; in ehci_clear_command_bit()
24 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_clear_command_bit()
27 ehci_readl(ehci, &ehci->regs->command); in ehci_clear_command_bit()
33 * EHCI timer support... Now using hrtimers.
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| D | ehci-mem.c | 6 /* this file is part of ehci-hcd.c */
25 static inline void ehci_qtd_init(struct ehci_hcd *ehci, struct ehci_qtd *qtd, in ehci_qtd_init() argument
30 qtd->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); in ehci_qtd_init()
31 qtd->hw_next = EHCI_LIST_END(ehci); in ehci_qtd_init()
32 qtd->hw_alt_next = EHCI_LIST_END(ehci); in ehci_qtd_init()
36 static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags) in ehci_qtd_alloc() argument
41 qtd = dma_pool_alloc (ehci->qtd_pool, flags, &dma); in ehci_qtd_alloc()
43 ehci_qtd_init(ehci, qtd, dma); in ehci_qtd_alloc()
48 static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd) in ehci_qtd_free() argument
50 dma_pool_free (ehci->qtd_pool, qtd, qtd->qtd_dma); in ehci_qtd_free()
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| D | ehci-sched.c | 7 /* this file is part of ehci-hcd.c */
12 * EHCI scheduled transaction support: interrupt, iso, split iso
13 * These are called "periodic" transactions in the EHCI spec.
32 periodic_next_shadow(struct ehci_hcd *ehci, union ehci_shadow *periodic, in periodic_next_shadow() argument
35 switch (hc32_to_cpu(ehci, tag)) { in periodic_next_shadow()
49 shadow_next_periodic(struct ehci_hcd *ehci, union ehci_shadow *periodic, in shadow_next_periodic() argument
52 switch (hc32_to_cpu(ehci, tag)) { in shadow_next_periodic()
62 /* caller must hold ehci->lock */
63 static void periodic_unlink(struct ehci_hcd *ehci, unsigned frame, void *ptr) in periodic_unlink() argument
65 union ehci_shadow *prev_p = &ehci->pshadow[frame]; in periodic_unlink()
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| D | ehci-dbg.c | 6 /* this file is part of ehci-hcd.c */
13 * see EHCI spec, Table 2-4 for each value
15 static void dbg_hcs_params(struct ehci_hcd *ehci, char *label) in dbg_hcs_params() argument
17 u32 params = ehci_readl(ehci, &ehci->caps->hcs_params); in dbg_hcs_params()
19 ehci_dbg(ehci, in dbg_hcs_params()
29 /* Port routing, per EHCI 0.95 Spec, Section 2.2.5 */ in dbg_hcs_params()
37 byte = readb(&ehci->caps->portroute[(i >> 1)]); in dbg_hcs_params()
42 ehci_dbg(ehci, "%s portroute %s\n", label, buf); in dbg_hcs_params()
49 * see EHCI Spec, Table 2-5 for each value
51 static void dbg_hcc_params(struct ehci_hcd *ehci, char *label) in dbg_hcc_params() argument
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| D | ehci-fsl.c | 28 #include "ehci.h"
29 #include "ehci-fsl.h"
31 #define DRIVER_DESC "Freescale EHCI Host controller driver"
32 #define DRV_NAME "fsl-ehci"
147 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in fsl_ehci_drv_probe() local
150 dev_dbg(&pdev->dev, "hcd=0x%p ehci=0x%p, phy=0x%p\n", in fsl_ehci_drv_probe()
151 hcd, ehci, hcd->usb_phy); in fsl_ehci_drv_probe()
155 &ehci_to_hcd(ehci)->self); in fsl_ehci_drv_probe()
196 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_fsl_setup_phy() local
206 portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]); in ehci_fsl_setup_phy()
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| D | ehci-sysfs.c | 6 /* this file is part of ehci-hcd.c */
14 struct ehci_hcd *ehci; in companion_show() local
19 ehci = hcd_to_ehci(dev_get_drvdata(dev)); in companion_show()
20 nports = HCS_N_PORTS(ehci->hcs_params); in companion_show()
23 if (test_bit(index, &ehci->companion_ports)) { in companion_show()
35 * return control of the port to the EHCI controller.
41 struct ehci_hcd *ehci; in companion_store() local
44 ehci = hcd_to_ehci(dev_get_drvdata(dev)); in companion_store()
50 new_owner = 0; /* Owned by EHCI */ in companion_store()
52 if (portnum <= 0 || portnum > HCS_N_PORTS(ehci->hcs_params)) in companion_store()
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| D | ehci-pci.c | 3 * EHCI HCD (Host Controller Driver) PCI Bus Glue.
14 #include "ehci.h"
17 #define DRIVER_DESC "EHCI PCI platform driver"
19 static const char hcd_name[] = "ehci-pci";
36 * This is the list of PCI IDs for the devices that have EHCI USB class and
63 static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev) in ehci_pci_reinit() argument
68 * (currently just BIOS handoff) allowed starting with EHCI 0.96 in ehci_pci_reinit()
74 ehci_dbg(ehci, "MWI active\n"); in ehci_pci_reinit()
82 ehci_writel(ehci, INTEL_QUARK_X1000_EHCI_MAX_THRESHOLD, in ehci_pci_reinit()
83 ehci->regs->intel_quark_x1000_insnreg01); in ehci_pci_reinit()
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| D | ehci-q.c | 6 /* this file is part of ehci-hcd.c */
11 * EHCI hardware queue manipulation ... the core. QH/QTD manipulation.
20 * an ongoing challenge. That's in "ehci-sched.c".
30 /* PID Codes that are used here, from EHCI specification, Table 3-16. */
37 qtd_fill(struct ehci_hcd *ehci, struct ehci_qtd *qtd, dma_addr_t buf, in qtd_fill() argument
45 qtd->hw_buf[0] = cpu_to_hc32(ehci, (u32)addr); in qtd_fill()
46 qtd->hw_buf_hi[0] = cpu_to_hc32(ehci, (u32)(addr >> 32)); in qtd_fill()
57 qtd->hw_buf[i] = cpu_to_hc32(ehci, (u32)addr); in qtd_fill()
58 qtd->hw_buf_hi[i] = cpu_to_hc32(ehci, in qtd_fill()
71 qtd->hw_token = cpu_to_hc32(ehci, (count << 16) | token); in qtd_fill()
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| D | ehci-brcm.c | 15 #include "ehci.h"
27 static inline void ehci_brcm_wait_for_sof(struct ehci_hcd *ehci, u32 delay) in ehci_brcm_wait_for_sof() argument
29 u32 frame_idx = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_brcm_wait_for_sof()
34 res = readl_relaxed_poll_timeout(&ehci->regs->frame_index, val, in ehci_brcm_wait_for_sof()
37 ehci_err(ehci, "Error waiting for SOF\n"); in ehci_brcm_wait_for_sof()
43 * The EHCI controller has a bug where it can violate the SOF
60 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_brcm_hub_control() local
61 int ports = HCS_N_PORTS(ehci->hcs_params); in ehci_brcm_hub_control()
70 status_reg = &ehci->regs->port_status[temp]; in ehci_brcm_hub_control()
78 ehci->reset_done[wIndex-1] && in ehci_brcm_hub_control()
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| D | ehci-platform.c | 3 * Generic platform ehci driver
12 * Derived from the EHCI-PCI driver
39 #include "ehci.h"
41 #define DRIVER_DESC "EHCI generic platform driver"
60 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_platform_reset() local
63 ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug; in ehci_platform_reset()
71 ehci->caps = hcd->regs + pdata->caps_offset; in ehci_platform_reset()
77 ehci->need_io_watchdog = 0; in ehci_platform_reset()
79 if (of_device_is_compatible(pdev->dev.of_node, "brcm,xgs-iproc-ehci")) in ehci_platform_reset()
80 ehci_writel(ehci, BCM_USB_FIFO_THRESHOLD, in ehci_platform_reset()
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| /kernel/linux/linux-5.10/drivers/usb/host/ |
| D | ehci-hcd.c | 3 * Enhanced Host Controller Interface (EHCI) driver for USB.
43 * EHCI hc_driver implementation ... experimental, incomplete.
57 #define DRIVER_DESC "USB 2.0 'Enhanced' Host Controller (EHCI) Driver"
97 #include "ehci.h"
110 static unsigned ehci_moschip_read_frame_index(struct ehci_hcd *ehci) in ehci_moschip_read_frame_index() argument
114 uf = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_moschip_read_frame_index()
116 uf = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_moschip_read_frame_index()
120 static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci) in ehci_read_frame_index() argument
122 if (ehci->frame_index_bug) in ehci_read_frame_index()
123 return ehci_moschip_read_frame_index(ehci); in ehci_read_frame_index()
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| D | ehci-timer.c | 6 /* This file is part of ehci-hcd.c */
11 static void ehci_set_command_bit(struct ehci_hcd *ehci, u32 bit) in ehci_set_command_bit() argument
13 ehci->command |= bit; in ehci_set_command_bit()
14 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_set_command_bit()
17 ehci_readl(ehci, &ehci->regs->command); in ehci_set_command_bit()
21 static void ehci_clear_command_bit(struct ehci_hcd *ehci, u32 bit) in ehci_clear_command_bit() argument
23 ehci->command &= ~bit; in ehci_clear_command_bit()
24 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_clear_command_bit()
27 ehci_readl(ehci, &ehci->regs->command); in ehci_clear_command_bit()
33 * EHCI timer support... Now using hrtimers.
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| D | ehci-hub.c | 6 /* this file is part of ehci-hcd.c */
11 * EHCI Root Hub ... the nonsharable stuff
22 static void unlink_empty_async_suspended(struct ehci_hcd *ehci);
33 static void ehci_handover_companion_ports(struct ehci_hcd *ehci) in ehci_handover_companion_ports() argument
39 struct usb_hcd *hcd = ehci_to_hcd(ehci); in ehci_handover_companion_ports()
41 if (!ehci->owned_ports) in ehci_handover_companion_ports()
55 port = HCS_N_PORTS(ehci->hcs_params); in ehci_handover_companion_ports()
57 if (test_bit(port, &ehci->owned_ports)) { in ehci_handover_companion_ports()
58 reg = &ehci->regs->port_status[port]; in ehci_handover_companion_ports()
59 status = ehci_readl(ehci, reg) & ~PORT_RWC_BITS; in ehci_handover_companion_ports()
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| D | ehci-mem.c | 6 /* this file is part of ehci-hcd.c */
25 static inline void ehci_qtd_init(struct ehci_hcd *ehci, struct ehci_qtd *qtd, in ehci_qtd_init() argument
30 qtd->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); in ehci_qtd_init()
31 qtd->hw_next = EHCI_LIST_END(ehci); in ehci_qtd_init()
32 qtd->hw_alt_next = EHCI_LIST_END(ehci); in ehci_qtd_init()
36 static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags) in ehci_qtd_alloc() argument
41 qtd = dma_pool_alloc (ehci->qtd_pool, flags, &dma); in ehci_qtd_alloc()
43 ehci_qtd_init(ehci, qtd, dma); in ehci_qtd_alloc()
48 static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd) in ehci_qtd_free() argument
50 dma_pool_free (ehci->qtd_pool, qtd, qtd->qtd_dma); in ehci_qtd_free()
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| D | ehci-sched.c | 7 /* this file is part of ehci-hcd.c */
12 * EHCI scheduled transaction support: interrupt, iso, split iso
13 * These are called "periodic" transactions in the EHCI spec.
32 periodic_next_shadow(struct ehci_hcd *ehci, union ehci_shadow *periodic, in periodic_next_shadow() argument
35 switch (hc32_to_cpu(ehci, tag)) { in periodic_next_shadow()
49 shadow_next_periodic(struct ehci_hcd *ehci, union ehci_shadow *periodic, in shadow_next_periodic() argument
52 switch (hc32_to_cpu(ehci, tag)) { in shadow_next_periodic()
62 /* caller must hold ehci->lock */
63 static void periodic_unlink(struct ehci_hcd *ehci, unsigned frame, void *ptr) in periodic_unlink() argument
65 union ehci_shadow *prev_p = &ehci->pshadow[frame]; in periodic_unlink()
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| D | ehci-dbg.c | 6 /* this file is part of ehci-hcd.c */
13 * see EHCI spec, Table 2-4 for each value
15 static void dbg_hcs_params(struct ehci_hcd *ehci, char *label) in dbg_hcs_params() argument
17 u32 params = ehci_readl(ehci, &ehci->caps->hcs_params); in dbg_hcs_params()
19 ehci_dbg(ehci, in dbg_hcs_params()
29 /* Port routing, per EHCI 0.95 Spec, Section 2.2.5 */ in dbg_hcs_params()
37 byte = readb(&ehci->caps->portroute[(i >> 1)]); in dbg_hcs_params()
42 ehci_dbg(ehci, "%s portroute %s\n", label, buf); in dbg_hcs_params()
49 * see EHCI Spec, Table 2-5 for each value
51 static void dbg_hcc_params(struct ehci_hcd *ehci, char *label) in dbg_hcc_params() argument
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| D | ehci-fsl.c | 28 #include "ehci.h"
29 #include "ehci-fsl.h"
31 #define DRIVER_DESC "Freescale EHCI Host controller driver"
32 #define DRV_NAME "fsl-ehci"
153 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in fsl_ehci_drv_probe() local
156 dev_dbg(&pdev->dev, "hcd=0x%p ehci=0x%p, phy=0x%p\n", in fsl_ehci_drv_probe()
157 hcd, ehci, hcd->usb_phy); in fsl_ehci_drv_probe()
161 &ehci_to_hcd(ehci)->self); in fsl_ehci_drv_probe()
202 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_fsl_setup_phy() local
212 portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]); in ehci_fsl_setup_phy()
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| D | ehci-sysfs.c | 6 /* this file is part of ehci-hcd.c */
14 struct ehci_hcd *ehci; in companion_show() local
19 ehci = hcd_to_ehci(dev_get_drvdata(dev)); in companion_show()
20 nports = HCS_N_PORTS(ehci->hcs_params); in companion_show()
23 if (test_bit(index, &ehci->companion_ports)) { in companion_show()
35 * return control of the port to the EHCI controller.
41 struct ehci_hcd *ehci; in companion_store() local
44 ehci = hcd_to_ehci(dev_get_drvdata(dev)); in companion_store()
50 new_owner = 0; /* Owned by EHCI */ in companion_store()
52 if (portnum <= 0 || portnum > HCS_N_PORTS(ehci->hcs_params)) in companion_store()
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| D | ehci-q.c | 6 /* this file is part of ehci-hcd.c */
11 * EHCI hardware queue manipulation ... the core. QH/QTD manipulation.
20 * an ongoing challenge. That's in "ehci-sched.c".
30 /* PID Codes that are used here, from EHCI specification, Table 3-16. */
37 qtd_fill(struct ehci_hcd *ehci, struct ehci_qtd *qtd, dma_addr_t buf, in qtd_fill() argument
44 qtd->hw_buf[0] = cpu_to_hc32(ehci, (u32)addr); in qtd_fill()
45 qtd->hw_buf_hi[0] = cpu_to_hc32(ehci, (u32)(addr >> 32)); in qtd_fill()
56 qtd->hw_buf[i] = cpu_to_hc32(ehci, (u32)addr); in qtd_fill()
57 qtd->hw_buf_hi[i] = cpu_to_hc32(ehci, in qtd_fill()
70 qtd->hw_token = cpu_to_hc32(ehci, (count << 16) | token); in qtd_fill()
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| D | ehci-pci.c | 3 * EHCI HCD (Host Controller Driver) PCI Bus Glue.
14 #include "ehci.h"
17 #define DRIVER_DESC "EHCI PCI platform driver"
19 static const char hcd_name[] = "ehci-pci";
36 * This is the list of PCI IDs for the devices that have EHCI USB class and
63 static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev) in ehci_pci_reinit() argument
68 * (currently just BIOS handoff) allowed starting with EHCI 0.96 in ehci_pci_reinit()
74 ehci_dbg(ehci, "MWI active\n"); in ehci_pci_reinit()
82 ehci_writel(ehci, INTEL_QUARK_X1000_EHCI_MAX_THRESHOLD, in ehci_pci_reinit()
83 ehci->regs->intel_quark_x1000_insnreg01); in ehci_pci_reinit()
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| D | ehci-brcm.c | 15 #include "ehci.h"
27 static inline void ehci_brcm_wait_for_sof(struct ehci_hcd *ehci, u32 delay) in ehci_brcm_wait_for_sof() argument
29 u32 frame_idx = ehci_readl(ehci, &ehci->regs->frame_index); in ehci_brcm_wait_for_sof()
34 res = readl_relaxed_poll_timeout(&ehci->regs->frame_index, val, in ehci_brcm_wait_for_sof()
37 ehci_err(ehci, "Error waiting for SOF\n"); in ehci_brcm_wait_for_sof()
43 * The EHCI controller has a bug where it can violate the SOF
60 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_brcm_hub_control() local
61 int ports = HCS_N_PORTS(ehci->hcs_params); in ehci_brcm_hub_control()
66 status_reg = &ehci->regs->port_status[(wIndex & 0xff) - 1]; in ehci_brcm_hub_control()
74 ehci->reset_done[wIndex-1] && in ehci_brcm_hub_control()
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| D | ehci-tegra.c | 3 * EHCI-compliant USB host controller driver for NVIDIA Tegra SoCs
29 #include "ehci.h"
35 #define DRIVER_DESC "Tegra EHCI driver"
36 #define DRV_NAME "tegra-ehci"
104 struct ehci_hcd *ehci, in tegra_ehci_internal_port_reset() argument
114 spin_lock_irqsave(&ehci->lock, flags); in tegra_ehci_internal_port_reset()
115 saved_usbintr = ehci_readl(ehci, &ehci->regs->intr_enable); in tegra_ehci_internal_port_reset()
117 ehci_writel(ehci, 0, &ehci->regs->intr_enable); in tegra_ehci_internal_port_reset()
118 spin_unlock_irqrestore(&ehci->lock, flags); in tegra_ehci_internal_port_reset()
125 temp = ehci_readl(ehci, portsc_reg); in tegra_ehci_internal_port_reset()
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/usb/ |
| D | generic-ehci.yaml | 4 $id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
7 title: USB EHCI Controller
19 const: ibm,usb-ehci-440epx
30 - allwinner,sun4i-a10-ehci
31 - allwinner,sun50i-a64-ehci
32 - allwinner,sun50i-h6-ehci
33 - allwinner,sun50i-h616-ehci
34 - allwinner,sun5i-a13-ehci
35 - allwinner,sun6i-a31-ehci
36 - allwinner,sun7i-a20-ehci
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