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init ohci for ehci

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This commit is contained in:
sakumisu
2024-04-04 13:00:15 +08:00
parent a41c66c2c3
commit 808cd454a3
10 changed files with 909 additions and 44 deletions
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3
SConscript
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@@ -130,8 +130,11 @@ if GetDepend(['PKG_CHERRYUSB_HOST']):
src += Glob('port/ehci/usb_hc_ehci.c') src += Glob('port/ehci/usb_hc_ehci.c')
src += Glob('port/ehci/usb_glue_hpm.c') src += Glob('port/ehci/usb_glue_hpm.c')
if GetDepend(['PKG_CHERRYUSB_HOST_EHCI_AIC']): if GetDepend(['PKG_CHERRYUSB_HOST_EHCI_AIC']):
path += [cwd + '/port/ehci']
path += [cwd + '/port/ohci']
src += Glob('port/ehci/usb_hc_ehci.c') src += Glob('port/ehci/usb_hc_ehci.c')
src += Glob('port/ehci/usb_glue_aic.c') src += Glob('port/ehci/usb_glue_aic.c')
src += Glob('port/ohci/usb_hc_ohci.c')
if GetDepend(['PKG_CHERRYUSB_HOST_EHCI_NUVOTON_NUC980']): if GetDepend(['PKG_CHERRYUSB_HOST_EHCI_NUVOTON_NUC980']):
src += Glob('port/ehci/usb_hc_ehci.c') src += Glob('port/ehci/usb_hc_ehci.c')
src += Glob('port/ehci/usb_glue_nuc980.c') src += Glob('port/ehci/usb_glue_nuc980.c')

3
cherryusb_config_template.h
View File

@@ -160,10 +160,9 @@
#define CONFIG_USB_EHCI_HCCR_OFFSET (0x0) #define CONFIG_USB_EHCI_HCCR_OFFSET (0x0)
#define CONFIG_USB_EHCI_HCOR_OFFSET (0x10) #define CONFIG_USB_EHCI_HCOR_OFFSET (0x10)
#define CONFIG_USB_OHCI_HCOR_OFFSET (0x400)
#define CONFIG_USB_EHCI_FRAME_LIST_SIZE 1024 #define CONFIG_USB_EHCI_FRAME_LIST_SIZE 1024
// #define CONFIG_USB_EHCI_HCOR_RESERVED_DISABLE // #define CONFIG_USB_EHCI_HCOR_RESERVED_DISABLE
// #define CONFIG_USB_EHCI_CONFIGFLAG // #define CONFIG_USB_EHCI_CONFIGFLAG
// #define CONFIG_USB_EHCI_PORT_POWER
// #define CONFIG_USB_EHCI_PRINT_HW_PARAM
#endif #endif

11
port/ehci/usb_ehci_priv.h
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@@ -1,3 +1,8 @@
/*
* Copyright (c) 2022, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _USB_EHCI_PRIV_H #ifndef _USB_EHCI_PRIV_H
#define _USB_EHCI_PRIV_H #define _USB_EHCI_PRIV_H
@@ -47,6 +52,12 @@ struct ehci_itd_hw {
struct ehci_hcd { struct ehci_hcd {
bool ehci_qh_used[CONFIG_USB_EHCI_QH_NUM]; bool ehci_qh_used[CONFIG_USB_EHCI_QH_NUM];
bool ehci_itd_used[CONFIG_USB_EHCI_ITD_NUM]; bool ehci_itd_used[CONFIG_USB_EHCI_ITD_NUM];
bool ppc; /* Port Power Control */
bool has_tt; /* if use tt instead of Companion Controller */
uint8_t n_cc; /* Number of Companion Controller */
uint8_t n_pcc; /* Number of ports supported per companion host controller */
uint8_t n_ports;
uint8_t hccr_offset;
}; };
extern struct ehci_hcd g_ehci_hcd[CONFIG_USBHOST_MAX_BUS]; extern struct ehci_hcd g_ehci_hcd[CONFIG_USBHOST_MAX_BUS];

10
port/ehci/usb_glue_aic.c
View File

@@ -19,6 +19,13 @@ static void aic_ehci_isr(int vector, void *arg)
USBH_IRQHandler(bus->hcd.hcd_id); USBH_IRQHandler(bus->hcd.hcd_id);
} }
static void aic_ohci_isr(int vector, void *arg)
{
struct usbh_bus *bus = (struct usbh_bus *)arg;
extern void OHCI_IRQHandler(uint8_t busid);
OHCI_IRQHandler(bus->hcd.hcd_id);
}
typedef struct aic_ehci_config { typedef struct aic_ehci_config {
uint32_t base_addr; uint32_t base_addr;
uint32_t clk_id; uint32_t clk_id;
@@ -107,6 +114,8 @@ void usb_hc_low_level_init(struct usbh_bus *bus)
/* register interrupt callback */ /* register interrupt callback */
aicos_request_irq(config[i].irq_num, (irq_handler_t)aic_ehci_isr, aicos_request_irq(config[i].irq_num, (irq_handler_t)aic_ehci_isr,
0, "usb_host_ehci", bus); 0, "usb_host_ehci", bus);
aicos_request_irq(config[i].irq_num + 1, (irq_handler_t)aic_ohci_isr,
0, "usb_host_ohci", bus);
aicos_irq_enable(config[i].irq_num); aicos_irq_enable(config[i].irq_num);
} }
@@ -155,7 +164,6 @@ int usbh_init(void)
usbh_initialize(bus_id, USB_HOST1_BASE); usbh_initialize(bus_id, USB_HOST1_BASE);
bus_id++; bus_id++;
#endif #endif
return 0; return 0;
} }

112
port/ehci/usb_hc_ehci.c
View File

@@ -4,6 +4,9 @@
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
#include "usb_ehci_priv.h" #include "usb_ehci_priv.h"
#ifdef CONFIG_USB_EHCI_WITH_OHCI
#include "usb_ohci_priv.h"
#endif
#define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */ #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
#define EHCI_TUNE_RL_HS 4 /* nak throttle; see 4.9 */ #define EHCI_TUNE_RL_HS 4 /* nak throttle; see 4.9 */
@@ -770,11 +773,24 @@ int usb_hc_init(struct usbh_bus *bus)
EHCI_HCOR->usbintr = 0; EHCI_HCOR->usbintr = 0;
EHCI_HCOR->usbsts = EHCI_HCOR->usbsts; EHCI_HCOR->usbsts = EHCI_HCOR->usbsts;
#ifdef CONFIG_USB_EHCI_PRINT_HW_PARAM
USB_LOG_INFO("EHCI HCIVERSION:%04x\r\n", (int)EHCI_HCCR->hciversion); USB_LOG_INFO("EHCI HCIVERSION:0x%04x\r\n", (unsigned int)EHCI_HCCR->hciversion);
USB_LOG_INFO("EHCI HCSPARAMS:%06x\r\n", (int)EHCI_HCCR->hcsparams); USB_LOG_INFO("EHCI HCSPARAMS:0x%06x\r\n", (unsigned int)EHCI_HCCR->hcsparams);
USB_LOG_INFO("EHCI HCCPARAMS:%04x\r\n", (int)EHCI_HCCR->hccparams); USB_LOG_INFO("EHCI HCCPARAMS:0x%04x\r\n", (unsigned int)EHCI_HCCR->hccparams);
#endif
g_ehci_hcd[bus->hcd.hcd_id].ppc = (EHCI_HCCR->hcsparams & EHCI_HCSPARAMS_PPC) ? true : false;
g_ehci_hcd[bus->hcd.hcd_id].n_ports = (EHCI_HCCR->hcsparams & EHCI_HCSPARAMS_NPORTS_MASK) >> EHCI_HCSPARAMS_NPORTS_SHIFT;
g_ehci_hcd[bus->hcd.hcd_id].n_cc = (EHCI_HCCR->hcsparams & EHCI_HCSPARAMS_NCC_MASK) >> EHCI_HCSPARAMS_NCC_SHIFT;
g_ehci_hcd[bus->hcd.hcd_id].n_pcc = (EHCI_HCCR->hcsparams & EHCI_HCSPARAMS_NPCC_MASK) >> EHCI_HCSPARAMS_NPCC_SHIFT;
g_ehci_hcd[bus->hcd.hcd_id].has_tt = g_ehci_hcd[bus->hcd.hcd_id].n_cc ? false : true;
g_ehci_hcd[bus->hcd.hcd_id].hccr_offset = EHCI_HCCR->caplength;
USB_LOG_INFO("EHCI ppc:%u, n_ports:%u, n_cc:%u, n_pcc:%u\r\n",
g_ehci_hcd[bus->hcd.hcd_id].ppc,
g_ehci_hcd[bus->hcd.hcd_id].n_ports,
g_ehci_hcd[bus->hcd.hcd_id].n_cc,
g_ehci_hcd[bus->hcd.hcd_id].n_pcc);
/* Set the Current Asynchronous List Address. */ /* Set the Current Asynchronous List Address. */
EHCI_HCOR->asynclistaddr = EHCI_PTR2ADDR(&g_async_qh_head[bus->hcd.hcd_id]); EHCI_HCOR->asynclistaddr = EHCI_PTR2ADDR(&g_async_qh_head[bus->hcd.hcd_id]);
/* Set the Periodic Frame List Base Address. */ /* Set the Periodic Frame List Base Address. */
@@ -809,13 +825,32 @@ int usb_hc_init(struct usbh_bus *bus)
return -USB_ERR_TIMEOUT; return -USB_ERR_TIMEOUT;
} }
} }
#ifdef CONFIG_USB_EHCI_PORT_POWER
for (uint8_t port = 0; port < CONFIG_USBHOST_MAX_RHPORTS; port++) { if (g_ehci_hcd[bus->hcd.hcd_id].ppc) {
for (uint8_t port = 0; port < g_ehci_hcd[bus->hcd.hcd_id].n_ports; port++) {
regval = EHCI_HCOR->portsc[port]; regval = EHCI_HCOR->portsc[port];
regval |= EHCI_PORTSC_PP; regval |= EHCI_PORTSC_PP;
EHCI_HCOR->portsc[port] = regval; EHCI_HCOR->portsc[port] = regval;
} }
}
if (g_ehci_hcd[bus->hcd.hcd_id].has_tt) {
#ifdef CONFIG_USB_EHCI_WITH_OHCI
USB_LOG_INFO("EHCI uses tt for ls/fs device, so cannot enable this macro\r\n");
return -USB_ERR_INVAL;
#endif #endif
}
if (g_ehci_hcd[bus->hcd.hcd_id].has_tt) {
USB_LOG_INFO("EHCI uses tt for ls/fs device\r\n");
} else {
#ifdef CONFIG_USB_EHCI_WITH_OHCI
USB_LOG_INFO("EHCI uses companion controller for ls/fs device\r\n");
ohci_init(bus);
#else
USB_LOG_WRN("Do not enable companion controller, you should use a hub to support ls/fs device\r\n");
#endif
}
/* Enable EHCI interrupts. */ /* Enable EHCI interrupts. */
EHCI_HCOR->usbintr = EHCI_USBIE_INT | EHCI_USBIE_ERR | EHCI_USBIE_PCD | EHCI_USBIE_FATAL | EHCI_USBIE_IAA; EHCI_HCOR->usbintr = EHCI_USBIE_INT | EHCI_USBIE_ERR | EHCI_USBIE_PCD | EHCI_USBIE_FATAL | EHCI_USBIE_IAA;
@@ -845,13 +880,13 @@ int usb_hc_deinit(struct usbh_bus *bus)
} }
} }
#ifdef CONFIG_USB_EHCI_PORT_POWER if (g_ehci_hcd[bus->hcd.hcd_id].ppc) {
for (uint8_t port = 0; port < CONFIG_USBHOST_MAX_RHPORTS; port++) { for (uint8_t port = 0; port < g_ehci_hcd[bus->hcd.hcd_id].n_ports; port++) {
regval = EHCI_HCOR->portsc[port]; regval = EHCI_HCOR->portsc[port];
regval &= ~EHCI_PORTSC_PP; regval &= ~EHCI_PORTSC_PP;
EHCI_HCOR->portsc[port] = regval; EHCI_HCOR->portsc[port] = regval;
} }
#endif }
#ifdef CONFIG_USB_EHCI_CONFIGFLAG #ifdef CONFIG_USB_EHCI_CONFIGFLAG
EHCI_HCOR->configflag = 0; EHCI_HCOR->configflag = 0;
@@ -864,12 +899,22 @@ int usb_hc_deinit(struct usbh_bus *bus)
usb_osal_sem_delete(qh->waitsem); usb_osal_sem_delete(qh->waitsem);
} }
#ifdef CONFIG_USB_EHCI_WITH_OHCI
ohci_deinit(bus);
#endif
usb_hc_low_level_deinit(bus); usb_hc_low_level_deinit(bus);
return 0; return 0;
} }
uint16_t usbh_get_frame_number(struct usbh_bus *bus) uint16_t usbh_get_frame_number(struct usbh_bus *bus)
{ {
#ifdef CONFIG_USB_EHCI_WITH_OHCI
if (EHCI_HCOR->portsc[0] & EHCI_PORTSC_OWNER) {
return ohci_get_frame_number(bus);
}
#endif
return (((EHCI_HCOR->frindex & EHCI_FRINDEX_MASK) >> 3) & 0x3ff); return (((EHCI_HCOR->frindex & EHCI_FRINDEX_MASK) >> 3) & 0x3ff);
} }
@@ -879,9 +924,25 @@ int usbh_roothub_control(struct usbh_bus *bus, struct usb_setup_packet *setup, u
uint8_t port; uint8_t port;
uint32_t temp, status; uint32_t temp, status;
nports = CONFIG_USBHOST_MAX_RHPORTS; nports = g_ehci_hcd[bus->hcd.hcd_id].n_ports;
port = setup->wIndex; port = setup->wIndex;
temp = EHCI_HCOR->portsc[port - 1];
#ifdef CONFIG_USB_EHCI_WITH_OHCI
if (temp & EHCI_PORTSC_OWNER) {
return ohci_roothub_control(bus, setup, buf);
}
if ((temp & EHCI_PORTSC_LSTATUS_MASK) == EHCI_PORTSC_LSTATUS_KSTATE) {
EHCI_HCOR->portsc[port - 1] |= EHCI_PORTSC_OWNER;
while (!(EHCI_HCOR->portsc[port - 1] & EHCI_PORTSC_OWNER)) {
}
return ohci_roothub_control(bus, setup, buf);
}
#endif
if (setup->bmRequestType & USB_REQUEST_RECIPIENT_DEVICE) { if (setup->bmRequestType & USB_REQUEST_RECIPIENT_DEVICE) {
switch (setup->bRequest) { switch (setup->bRequest) {
case HUB_REQUEST_CLEAR_FEATURE: case HUB_REQUEST_CLEAR_FEATURE:
@@ -942,9 +1003,7 @@ int usbh_roothub_control(struct usbh_bus *bus, struct usb_setup_packet *setup, u
case HUB_PORT_FEATURE_C_SUSPEND: case HUB_PORT_FEATURE_C_SUSPEND:
break; break;
case HUB_PORT_FEATURE_POWER: case HUB_PORT_FEATURE_POWER:
#ifdef CONFIG_USB_EHCI_PORT_POWER
EHCI_HCOR->portsc[port - 1] &= ~EHCI_PORTSC_PP; EHCI_HCOR->portsc[port - 1] &= ~EHCI_PORTSC_PP;
#endif
break; break;
case HUB_PORT_FEATURE_C_CONNECTION: case HUB_PORT_FEATURE_C_CONNECTION:
EHCI_HCOR->portsc[port - 1] |= EHCI_PORTSC_CSC; EHCI_HCOR->portsc[port - 1] |= EHCI_PORTSC_CSC;
@@ -982,12 +1041,19 @@ int usbh_roothub_control(struct usbh_bus *bus, struct usb_setup_packet *setup, u
} }
break; break;
case HUB_PORT_FEATURE_POWER: case HUB_PORT_FEATURE_POWER:
#ifdef CONFIG_USB_EHCI_PORT_POWER
EHCI_HCOR->portsc[port - 1] |= EHCI_PORTSC_PP; EHCI_HCOR->portsc[port - 1] |= EHCI_PORTSC_PP;
#endif
break; break;
case HUB_PORT_FEATURE_RESET: case HUB_PORT_FEATURE_RESET:
usbh_reset_port(bus, port); usbh_reset_port(bus, port);
#ifdef CONFIG_USB_EHCI_WITH_OHCI
if (!(EHCI_HCOR->portsc[port - 1] & EHCI_PORTSC_PE)) {
EHCI_HCOR->portsc[port - 1] |= EHCI_PORTSC_OWNER;
while (!(EHCI_HCOR->portsc[port - 1] & EHCI_PORTSC_OWNER)) {
}
return ohci_roothub_control(bus, setup, buf);
}
#endif
break; break;
default: default:
@@ -1067,6 +1133,12 @@ int usbh_submit_urb(struct usbh_urb *urb)
hub = hub->parent->parent; hub = hub->parent->parent;
} }
#ifdef CONFIG_USB_EHCI_WITH_OHCI
if (EHCI_HCOR->portsc[hport->port - 1] & EHCI_PORTSC_OWNER) {
return ohci_submit_urb(urb);
}
#endif
if (!urb->hport->connected || !(EHCI_HCOR->portsc[hport->port - 1] & EHCI_PORTSC_CCS)) { if (!urb->hport->connected || !(EHCI_HCOR->portsc[hport->port - 1] & EHCI_PORTSC_CCS)) {
return -USB_ERR_NOTCONN; return -USB_ERR_NOTCONN;
} }
@@ -1138,12 +1210,18 @@ int usbh_kill_urb(struct usbh_urb *urb)
struct usbh_bus *bus; struct usbh_bus *bus;
size_t flags; size_t flags;
if (!urb || !urb->hcpriv || !urb->hport->bus) { if (!urb || !urb->hport || !urb->hcpriv || !urb->hport->bus) {
return -USB_ERR_INVAL; return -USB_ERR_INVAL;
} }
bus = urb->hport->bus; bus = urb->hport->bus;
#ifdef CONFIG_USB_EHCI_WITH_OHCI
if (EHCI_HCOR->portsc[urb->hport->port - 1] & EHCI_PORTSC_OWNER) {
return ohci_kill_urb(urb);
}
#endif
flags = usb_osal_enter_critical_section(); flags = usb_osal_enter_critical_section();
EHCI_HCOR->usbcmd &= ~(EHCI_USBCMD_PSEN | EHCI_USBCMD_ASEN); EHCI_HCOR->usbcmd &= ~(EHCI_USBCMD_PSEN | EHCI_USBCMD_ASEN);
@@ -1245,7 +1323,7 @@ void USBH_IRQHandler(uint8_t busid)
} }
if (usbsts & EHCI_USBSTS_PCD) { if (usbsts & EHCI_USBSTS_PCD) {
for (int port = 0; port < CONFIG_USBHOST_MAX_RHPORTS; port++) { for (int port = 0; port < g_ehci_hcd[bus->hcd.hcd_id].n_ports; port++) {
uint32_t portsc = EHCI_HCOR->portsc[port]; uint32_t portsc = EHCI_HCOR->portsc[port];
if (portsc & EHCI_PORTSC_CSC) { if (portsc & EHCI_PORTSC_CSC) {

34
port/ehci/usb_hc_ehci.h
View File

@@ -281,12 +281,12 @@
*/ */
struct ehci_hccr { struct ehci_hccr {
uint8_t caplength; /* 0x00: Capability Register Length */ volatile uint8_t caplength; /* 0x00: Capability Register Length */
uint8_t reserved; /* 0x01: reserved */ volatile uint8_t reserved; /* 0x01: reserved */
uint16_t hciversion; /* 0x02: Interface Version Number */ volatile uint16_t hciversion; /* 0x02: Interface Version Number */
uint32_t hcsparams; /* 0x04: Structural Parameters */ volatile uint32_t hcsparams; /* 0x04: Structural Parameters */
uint32_t hccparams; /* 0x08: Capability Parameters */ volatile uint32_t hccparams; /* 0x08: Capability Parameters */
uint8_t hcspportroute[8]; /* 0x0c: Companion Port Route Description */ volatile uint8_t hcspportroute[8]; /* 0x0c: Companion Port Route Description */
}; };
/* Host Controller Operational Registers. /* Host Controller Operational Registers.
@@ -295,18 +295,18 @@ struct ehci_hccr {
*/ */
struct ehci_hcor { struct ehci_hcor {
uint32_t usbcmd; /* 0x00: USB Command */ volatile uint32_t usbcmd; /* 0x00: USB Command */
uint32_t usbsts; /* 0x04: USB Status */ volatile uint32_t usbsts; /* 0x04: USB Status */
uint32_t usbintr; /* 0x08: USB Interrupt Enable */ volatile uint32_t usbintr; /* 0x08: USB Interrupt Enable */
uint32_t frindex; /* 0x0c: USB Frame Index */ volatile uint32_t frindex; /* 0x0c: USB Frame Index */
uint32_t ctrldssegment; /* 0x10: 4G Segment Selector */ volatile uint32_t ctrldssegment; /* 0x10: 4G Segment Selector */
uint32_t periodiclistbase; /* 0x14: Frame List Base Address */ volatile uint32_t periodiclistbase; /* 0x14: Frame List Base Address */
uint32_t asynclistaddr; /* 0x18: Next Asynchronous List Address */ volatile uint32_t asynclistaddr; /* 0x18: Next Asynchronous List Address */
#ifndef CONFIG_USB_EHCI_HCOR_RESERVED_DISABLE #ifndef CONFIG_USB_EHCI_HCOR_RESERVED_DISABLE
uint32_t reserved[9]; uint32_t reserved[9];
#endif #endif
uint32_t configflag; /* 0x40: Configured Flag Register */ volatile uint32_t configflag; /* 0x40: Configured Flag Register */
uint32_t portsc[15]; /* 0x44: Port Status/Control */ volatile uint32_t portsc[15]; /* 0x44: Port Status/Control */
}; };
/* USB2 Debug Port Register Interface. /* USB2 Debug Port Register Interface.
@@ -357,7 +357,7 @@ struct ehci_itd {
uint32_t bpl[7]; /* 0x24-0x3c: Buffer Page Pointer List */ uint32_t bpl[7]; /* 0x24-0x3c: Buffer Page Pointer List */
}; };
#define SIZEOF_EHCI_ITD_S (64) /* 16*sizeof(uint32_t) */ #define SIZEOF_EHCI_ITD (64) /* 16*sizeof(uint32_t) */
/* Split Transaction Isochronous Transfer Descriptor (siTD). Paragraph 3.4 */ /* Split Transaction Isochronous Transfer Descriptor (siTD). Paragraph 3.4 */
@@ -370,6 +370,6 @@ struct ehci_sitd {
uint32_t blp; /* 0x18-0x1b: Back link pointer */ uint32_t blp; /* 0x18-0x1b: Back link pointer */
}; };
#define SIZEOF_EHCI_SITD_S (28) /* 7*sizeof(uint32_t) */ #define SIZEOF_EHCI_SITD (28) /* 7*sizeof(uint32_t) */
#endif /* USB_HC_EHCI_H */ #endif /* USB_HC_EHCI_H */

18
port/ohci/README.md Normal file
View File

@@ -0,0 +1,18 @@
# Note
This OHCI is a companion controller of EHCI.
## Support Chip List
### AllwinnerTech
- F133
### Nuvoton
- Nuvoton all series
### Artinchip
- d13x, d21x

240
port/ohci/usb_hc_ohci.c Normal file
View File

@@ -0,0 +1,240 @@
/*
* Copyright (c) 2024, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usb_ohci_priv.h"
#include "usb_ehci_priv.h"
int ohci_init(struct usbh_bus *bus)
{
volatile uint32_t timeout = 0;
uint32_t regval;
USB_LOG_INFO("OHCI hcrevision:0x%02x\r\n", (unsigned int)OHCI_HCOR->hcrevision);
OHCI_HCOR->hccontrol = 0;
OHCI_HCOR->hccontrolheaded = 0;
OHCI_HCOR->hcbulkheaded = 0;
OHCI_HCOR->hccmdsts = OHCI_CMDST_HCR;
while (OHCI_HCOR->hccmdsts & OHCI_CMDST_HCR) {
usb_osal_msleep(1);
timeout++;
if (timeout > 100) {
return -USB_ERR_TIMEOUT;
}
}
/* Frame Interval / Periodic Start.
*
* At 12Mbps, there are 12000 bit time in each 1Msec frame.
*/
#define BITS_PER_FRAME 12000
#define FI (BITS_PER_FRAME - 1)
#define FSMPS ((6 * (FI - 210)) / 7)
#define DEFAULT_FMINTERVAL ((FSMPS << OHCI_FMINT_FSMPS_SHIFT) | FI)
#define DEFAULT_PERSTART (((9 * BITS_PER_FRAME) / 10) - 1)
OHCI_HCOR->hcfminterval = DEFAULT_FMINTERVAL;
OHCI_HCOR->hcperiodicstart = DEFAULT_PERSTART;
/* Put HC in operational state */
regval = OHCI_HCOR->hccontrol;
regval &= ~OHCI_CTRL_HCFS_MASK;
regval |= OHCI_CTRL_HCFS_OPER;
OHCI_HCOR->hccontrol = regval;
/* Set global power in HcRhStatus */
OHCI_HCOR->hcrhsts = OHCI_RHSTATUS_SGP;
/* Set HCCA base address */
OHCI_HCOR->hchcca = 0;
/* Clear pending interrupts */
regval = OHCI_HCOR->hcintsts;
OHCI_HCOR->hcintsts = regval;
for (uint8_t port = 0; port < g_ehci_hcd[bus->hcd.hcd_id].n_pcc; port++) {
regval = OHCI_HCOR->hcrhportsts[port];
regval |= OHCI_RHPORTST_PPS;
OHCI_HCOR->hcrhportsts[port] = regval;
}
/* Enable OHCI interrupts */
OHCI_HCOR->hcinten = OHCI_INT_SO | OHCI_INT_RD | OHCI_INT_UE | OHCI_INT_OC |
OHCI_INT_WDH | OHCI_INT_RHSC | OHCI_INT_MIE;
return 0;
}
int ohci_deinit(struct usbh_bus *bus)
{
uint32_t regval;
/* Disable OHCI interrupts */
OHCI_HCOR->hcintdis = OHCI_INT_SO | OHCI_INT_RD | OHCI_INT_UE | OHCI_INT_OC |
OHCI_INT_WDH | OHCI_INT_RHSC | OHCI_INT_MIE;
for (uint8_t port = 0; port < g_ehci_hcd[bus->hcd.hcd_id].n_pcc; port++) {
regval = OHCI_HCOR->hcrhportsts[port];
regval &= ~OHCI_RHPORTST_PPS;
OHCI_HCOR->hcrhportsts[port] = regval;
}
return 0;
}
uint16_t ohci_get_frame_number(struct usbh_bus *bus)
{
return OHCI_HCOR->hcfmnumber;
}
int ohci_roothub_control(struct usbh_bus *bus, struct usb_setup_packet *setup, uint8_t *buf)
{
uint8_t nports;
uint8_t port;
uint32_t temp;
nports = g_ehci_hcd[bus->hcd.hcd_id].n_pcc;
port = setup->wIndex;
if (setup->bmRequestType & USB_REQUEST_RECIPIENT_DEVICE) {
switch (setup->bRequest) {
case HUB_REQUEST_CLEAR_FEATURE:
switch (setup->wValue) {
case HUB_FEATURE_HUB_C_LOCALPOWER:
break;
case HUB_FEATURE_HUB_C_OVERCURRENT:
break;
default:
return -USB_ERR_NOTSUPP;
}
break;
case HUB_REQUEST_SET_FEATURE:
switch (setup->wValue) {
case HUB_FEATURE_HUB_C_LOCALPOWER:
break;
case HUB_FEATURE_HUB_C_OVERCURRENT:
break;
default:
return -USB_ERR_NOTSUPP;
}
break;
case HUB_REQUEST_GET_DESCRIPTOR:
break;
case HUB_REQUEST_GET_STATUS:
memset(buf, 0, 4);
break;
default:
break;
}
} else if (setup->bmRequestType & USB_REQUEST_RECIPIENT_OTHER) {
switch (setup->bRequest) {
case HUB_REQUEST_CLEAR_FEATURE:
if (!port || port > nports) {
return -USB_ERR_INVAL;
}
switch (setup->wValue) {
case HUB_PORT_FEATURE_ENABLE:
break;
case HUB_PORT_FEATURE_SUSPEND:
case HUB_PORT_FEATURE_C_SUSPEND:
break;
case HUB_PORT_FEATURE_POWER:
break;
case HUB_PORT_FEATURE_C_CONNECTION:
OHCI_HCOR->hcrhportsts[port - 1] |= OHCI_RHPORTST_CSC;
break;
case HUB_PORT_FEATURE_C_ENABLE:
OHCI_HCOR->hcrhportsts[port - 1] |= OHCI_RHPORTST_PESC;
break;
case HUB_PORT_FEATURE_C_OVER_CURREN:
OHCI_HCOR->hcrhportsts[port - 1] |= OHCI_RHPORTST_OCIC;
break;
case HUB_PORT_FEATURE_C_RESET:
OHCI_HCOR->hcrhportsts[port - 1] |= OHCI_RHPORTST_PRSC;
break;
default:
return -USB_ERR_NOTSUPP;
}
break;
case HUB_REQUEST_SET_FEATURE:
if (!port || port > nports) {
return -USB_ERR_INVAL;
}
switch (setup->wValue) {
case HUB_PORT_FEATURE_SUSPEND:
break;
case HUB_PORT_FEATURE_POWER:
break;
case HUB_PORT_FEATURE_RESET:
OHCI_HCOR->hcrhportsts[port - 1] |= OHCI_RHPORTST_PRS;
while (OHCI_HCOR->hcrhportsts[port - 1] & OHCI_RHPORTST_PRS) {
}
break;
default:
return -USB_ERR_NOTSUPP;
}
break;
case HUB_REQUEST_GET_STATUS:
if (!port || port > nports) {
return -USB_ERR_INVAL;
}
temp = OHCI_HCOR->hcrhportsts[port - 1];
memcpy(buf, &temp, 4);
break;
default:
break;
}
}
return 0;
}
int ohci_submit_urb(struct usbh_urb *urb)
{
return -USB_ERR_NOTSUPP;
}
int ohci_kill_urb(struct usbh_urb *urb)
{
return -USB_ERR_NOTSUPP;
}
void OHCI_IRQHandler(uint8_t busid)
{
uint32_t usbsts;
struct usbh_bus *bus;
bus = &g_usbhost_bus[busid];
usbsts = OHCI_HCOR->hcintsts & OHCI_HCOR->hcinten;
OHCI_HCOR->hcintsts = usbsts;
if (usbsts & OHCI_INT_RHSC) {
for (int port = 0; port < CONFIG_USBHOST_MAX_RHPORTS; port++) {
uint32_t portsc = OHCI_HCOR->hcrhportsts[port];
if (portsc & OHCI_RHPORTST_CSC) {
if (OHCI_HCOR->hcrhsts & OHCI_RHSTATUS_DRWE) {
/* If DRWE is set, Connect Status Change indicates a remote wake-up event */
} else {
if (portsc & OHCI_RHPORTST_CCS) {
} else {
}
bus->hcd.roothub.int_buffer[0] |= (1 << (port + 1));
usbh_hub_thread_wakeup(&bus->hcd.roothub);
}
}
}
}
if (usbsts & OHCI_INT_WDH) {
}
}

484
port/ohci/usb_hc_ohci.h Normal file
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@@ -0,0 +1,484 @@
/****************************************************************************
* include/nuttx/usb/ohci.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_USB_OHCI_H
#define __INCLUDE_NUTTX_USB_OHCI_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Register offsets *********************************************************/
/* Control and status registers (section 7.1) */
#define OHCI_HCIREV_OFFSET 0x0000 /* HcRevision: Version of HCI specification */
#define OHCI_CTRL_OFFSET 0x0004 /* HcControl: HC control */
#define OHCI_CMDST_OFFSET 0x0008 /* HcCommandStatus: HC command status */
#define OHCI_INTST_OFFSET 0x000c /* HcInterruptStatus: HC interrupt status */
#define OHCI_INTEN_OFFSET 0x0010 /* HcInterruptEnable: HC interrupt enable */
#define OHCI_INTDIS_OFFSET 0x0014 /* HcInterruptDisable: HC interrupt disable */
/* Memory pointer registers (section 7.2) */
#define OHCI_HCCA_OFFSET 0x0018 /* HcHCCA: HC communication area */
#define OHCI_PERED_OFFSET 0x001c /* HcPeriodCurrentED: Current isoc or int endpoint desc */
#define OHCI_CTRLHEADED_OFFSET 0x0020 /* HcControlHeadED: First EP desc in the control list */
#define OHCI_CTRLED_OFFSET 0x0024 /* HcControlCurrentED: Current EP desc in the control list */
#define OHCI_BULKHEADED_OFFSET 0x0028 /* HcBulkHeadED: First EP desc in the bulk list */
#define OHCI_BULKED_OFFSET 0x002c /* HcBulkCurrentED: Current EP desc in the bulk list */
#define OHCI_DONEHEAD_OFFSET 0x0030 /* HcDoneHead: Last transfer desc added to DONE queue */
/* Frame counter registers (section 7.3) */
#define OHCI_FMINT_OFFSET 0x0034 /* HcFmInterval: Bit time interval that would not cause overrun */
#define OHCI_FMREM_OFFSET 0x0038 /* HcFmRemaining: Bit time remaining in current frame */
#define OHCI_FMNO_OFFSET 0x003c /* HcFmNumber: Frame number counter */
#define OHCI_PERSTART_OFFSET 0x0040 /* HcPeriodicStart: Time to start processing periodic list */
/* Root hub registers (section 7.4) */
#define OHCI_LSTHRES_OFFSET 0x0044 /* HcLSThreshold: Commit to transfer threshold */
#define OHCI_RHDESCA_OFFSET 0x0048 /* HcRhDescriptorA: Describes root hub (part A) */
#define OHCI_RHDESCB_OFFSET 0x004c /* HcRhDescriptorB: Describes root hub (part B) */
#define OHCI_RHSTATUS_OFFSET 0x0050 /* HcRhStatus: Root hub status */
#define OHCI_MAX_RHPORT 15 /* Maximum number of OHCI root hub ports */
#define OHCI_RHPORTST_OFFSET(n) (0x0054 + (((n) - 1) << 2))
#define OHCI_RHPORTST1_OFFSET 0x0054 /* HcRhPort1Status: Root hub port status 1 */
#define OHCI_RHPORTST2_OFFSET 0x0058 /* HcRhPort2Status: Root hub port status 2 */
#define OHCI_RHPORTST3_OFFSET 0x005c /* HcRhPort3Status: Root hub port status 3 */
#define OHCI_RHPORTST4_OFFSET 0x0060 /* HcRhPort4Status: Root hub port status 4 */
#define OHCI_RHPORTST5_OFFSET 0x0064 /* HcRhPort5Status: Root hub port status 5 */
#define OHCI_RHPORTST6_OFFSET 0x0068 /* HcRhPort6Status: Root hub port status 6 */
#define OHCI_RHPORTST7_OFFSET 0x006c /* HcRhPort7Status: Root hub port status 7 */
#define OHCI_RHPORTST8_OFFSET 0x0070 /* HcRhPort8Status: Root hub port status 8 */
#define OHCI_RHPORTST9_OFFSET 0x0074 /* HcRhPort9Status: Root hub port status 9 */
#define OHCI_RHPORTST10_OFFSET 0x0078 /* HcRhPort10Status: Root hub port status 10 */
#define OHCI_RHPORTST11_OFFSET 0x007c /* HcRhPort11Status: Root hub port status 11 */
#define OHCI_RHPORTST12_OFFSET 0x0080 /* HcRhPort12Status: Root hub port status 12 */
#define OHCI_RHPORTST13_OFFSET 0x0084 /* HcRhPort13Status: Root hub port status 13 */
#define OHCI_RHPORTST14_OFFSET 0x0088 /* HcRhPort14Status: Root hub port status 14 */
#define OHCI_RHPORTST15_OFFSET 0x008c /* HcRhPort15Status: Root hub port status 15 */
/* Register bit definitions *************************************************/
/* HcRevision: Version of HCI specification (7.1.1) */
#define OHCI_HCIREV_SHIFT (0) /* Bits 0-7: HCI spec version (BCD) */
#define OHCI_HCIREV_MASK (0xff << OHCI_HCIREV_SHIFT)
/* HcControl: HC control (7.1.2) */
#define OHCI_CTRL_CBSR (3 << 0) /* Bit 0: Control/bulk service ratio */
#define OHCI_CTRL_PLE (1 << 2) /* Bit 1: Periodic list enable */
#define OHCI_CTRL_IE (1 << 3) /* Bit 2: Isochronous enable */
#define OHCI_CTRL_CLE (1 << 4) /* Bit 3: Control list enable */
#define OHCI_CTRL_BLE (1 << 5) /* Bit 4: Bulk list enable */
#define OHCI_CTRL_HCFS_SHIFT (6) /* Bits 6-7: Host controller functional state */
#define OHCI_CTRL_HCFS_MASK (3 << OHCI_CTRL_HCFS_SHIFT)
# define OHCI_CTRL_HCFS_RESET (0 << OHCI_CTRL_HCFS_SHIFT)
# define OHCI_CTRL_HCFS_RESUME (1 << OHCI_CTRL_HCFS_SHIFT)
# define OHCI_CTRL_HCFS_OPER (2 << OHCI_CTRL_HCFS_SHIFT)
# define OHCI_CTRL_HCFS_SUSPEND (3 << OHCI_CTRL_HCFS_SHIFT)
#define OHCI_CTRL_IR (1 << 8) /* Bit 8: Interrupt routing */
#define OHCI_CTRL_RWC (1 << 9) /* Bit 9: Remote wakeup connected */
#define OHCI_CTRL_RWE (1 << 10) /* Bit 10: Remote wakeup enable */
/* Bits 11-31: Reserved */
/* HcCommandStatus: HC command status (7.1.3) */
#define OHCI_CMDST_HCR (1 << 0) /* Bit 0: Host controller reset */
#define OHCI_CMDST_CLF (1 << 1) /* Bit 1: Control list filled */
#define OHCI_CMDST_BLF (1 << 2) /* Bit 2: Bulk list filled */
#define OHCI_CMDST_OCR (1 << 3) /* Bit 3: Ownership change request */
/* Bits 4-15: Reserved */
#define OHCI_CMDST_SOC (3 << 16) /* Bit 16: Scheduling overrun count */
/* Bits 17-31: Reserved */
/* HcInterruptStatus: HC interrupt status (7.1.4),
* HcInterruptEnable: HC interrupt enable (7.1.5), and
* HcInterruptDisable: HC interrupt disable (7.1.6)
*/
#define OHCI_INT_SO (1 << 0) /* Bit 0: Scheduling overrun */
#define OHCI_INT_WDH (1 << 1) /* Bit 1: Writeback done head */
#define OHCI_INT_SF (1 << 2) /* Bit 2: Start of frame */
#define OHCI_INT_RD (1 << 3) /* Bit 3: Resume detected */
#define OHCI_INT_UE (1 << 4) /* Bit 4: Unrecoverable error */
#define OHCI_INT_FNO (1 << 5) /* Bit 5: Frame number overflow */
#define OHCI_INT_RHSC (1 << 6) /* Bit 6: Root hub status change */
/* Bits 7-29: Reserved */
#define OHCI_INT_OC (1 << 30) /* Bit 30: Ownership change */
#define OHCI_INT_MIE (1 << 31) /* Bit 31: Master interrupt enable
* (Enable/disable only) */
/* HcHCCA: HC communication area (7.2.1):
*
* 32-bits aligned to 256 byte boundary.
*/
/* HcPeriodCurrentED: Current isoc or int endpoint desc (7.2.2),
* HcControlHeadED: First EP desc in the control list (7.2.3),
* HcControlCurrentED: Current EP desc in the control list (7.2.4),
* HcBulkHeadED: First EP desc in the bulk list (7.2.5),
* HcBulkCurrentED: Current EP desc in the bulk list (7.2.6), and
* HcDoneHead: Last transfer desc added to DONE queue (7.2.7):
*
* All 32-bits aligned to an 8-byte boundary
*/
/* HcFmInterval: Bit time interval that would not cause overrun (7.3.1) */
#define OHCI_FMINT_FI_SHIFT (0) /* Bits 0-13: Frame interval */
#define OHCI_FMINT_FI_MASK (0x3fff << OHCI_FMINT_FI_SHIFT)
/* Bits 14-15: Reserved */
#define OHCI_FMINT_FSMPS_SHIFT (16) /* Bits 16-30: FS largest packet data */
#define OHCI_FMINT_FSMPS_MASK (0x7fff << OHCI_FMINT_FSMPS_SHIFT)
#define OHCI_FMINT_FIT (1 << 31) /* Bit 31: Frame interval toggle */
/* HcFmRemaining: Bit time remaining in current frame (7.3.2) */
#define OHCI_FMREM_FR_SHIFT (0) /* Bits 0-13: Frame remaining */
#define OHCI_FMREM_FR_MASK (0x3fff << OHCI_FMREM_FR_SHIFT)
/* Bits 16-30: Reserved */
#define OHCI_FMINT_FRT (1 << 31) /* Bit 31: Frame remaining toggle */
/* HcFmNumber: Frame number counter (7.3.3) */
#define OHCI_FMNO_FI_SHIFT (0) /* Bits 0-15: Frame number */
#define OHCI_FMNO_FI_MASK (0xffff << OHCI_FMINT_FI_SHIFT)
/* Bits 16-31: Reserved */
/* HcPeriodicStart: Time to start processing periodic list (7.3.4) */
#define OHCI_PERSTART_SHIFT (0) /* Bits 0-13: Periodic start */
#define OHCI_PERSTART_MASK (0x3fff << OHCI_PERSTART_SHIFT)
/* Bits 14-31: Reserved */
/* HcLSThreshold: Commit to transfer threshold (7.3.5) */
#define OHCI_LSTHRES_SHIFT (0) /* Bits 0-11: LS threshold */
#define OHCI_LSTHRES_MASK (0x0fff << OHCI_PERSTART_SHIFT)
/* Bits 12-31: Reserved */
/* HcRhDescriptorN: Describes root hub (part A) (7.4.1) */
#define OHCI_RHDESCA_NDP_SHIFT (0) /* Bits 0-7: Number downstream ports */
#define OHCI_RHDESCA_NDP_MASK (0xff << OHCI_RHDESCA_NDP_SHIFT)
#define OHCI_RHDESCA_PSM (1 << 8) /* Bit 8: Power switching mode */
#define OHCI_RHDESCA_NPS (1 << 9) /* Bit 9: No power switching */
#define OHCI_RHDESCA_DT (1 << 10) /* Bit 10: Device type */
#define OHCI_RHDESCA_OCPM (1 << 11) /* Bit 11: Over current protection mode */
#define OHCI_RHDESCA_NOCP (1 << 12) /* Bit 12: No over current protection */
/* Bits 13-23: Reserved */
#define OHCI_RHDESCA_POTPGT_SHIFT (24) /* Bits 24-31: Power on to power good time */
#define OHCI_RHDESCA_POTPGT_MASK (0xff << OHCI_RHDESCA_POTPGT_SHIFT)
/* HcRhDescriptorB: Describes root hub (part B) (7.4.2) */
#define OHCI_RHDESCB_DR_SHIFT (0) /* Bits 0-15: Device removable */
#define OHCI_RHDESCB_DR_MASK (0xffff << OHCI_RHDESCB_DR_SHIFT)
# define OHCI_RHDESCB_ATTACHED(n) (1 << (OHCI_RHDESCB_DR_SHIFT+(n)))
#define OHCI_RHDESCB_PPCM_SHIFT (16) /* Bits 16-31: Port power control mask */
#define OHCI_RHDESCB_PPCM_MASK (0xffff << OHCI_RHDESCB_PPCM_SHIFT)
# define OHCI_RHDESCB_POWERED(n) (1 << (OHCI_RHDESCB_DR_SHIFT+(n)))
/* HcRhStatus: Root hub status (7.4.3) */
#define OHCI_RHSTATUS_LPS (1 << 0) /* Bit 0: Local power status (read)*/
#define OHCI_RHSTATUS_CGP (1 << 0) /* Bit 0: Clear global power (write)*/
#define OHCI_RHSTATUS_OCI (1 << 1) /* Bit 1: Over current indicator */
/* Bits 2-14: Reserved */
#define OHCI_RHSTATUS_DRWE (1 << 15) /* Bit 15: Device remote wakeup enable */
#define OHCI_RHSTATUS_LPSC (1 << 16) /* Bit 16: Local power status change (read) */
#define OHCI_RHSTATUS_SGP (1 << 16) /* Bit 16: Set global power (write) */
#define OHCI_RHSTATUS_OCIC (1 << 17) /* Bit 17: Overcurrent indicator change */
/* Bits 18-30: Reserved */
#define OHCI_RHSTATUS_CRWE (1 << 31) /* Bit 31: Clear remote wakeup enable */
/* HcRhPortStatus: Root hub port status (7.4.4) */
#define OHCI_RHPORTST_CCS (1 << 0) /* Bit 0: Current connect status */
#define OHCI_RHPORTST_PES (1 << 1) /* Bit 1: Port enable status */
#define OHCI_RHPORTST_PSS (1 << 2) /* Bit 2: Port suspend status */
#define OHCI_RHPORTST_POCI (1 << 3) /* Bit 3: Port over current indicator */
#define OHCI_RHPORTST_PRS (1 << 4) /* Bit 4: Port reset status */
/* Bits 5-7: Reserved */
#define OHCI_RHPORTST_PPS (1 << 8) /* Bit 8: Port power status */
#define OHCI_RHPORTST_LSDA (1 << 9) /* Bit 9: Low speed device attached */
/* Bits 10-15: Reserved */
#define OHCI_RHPORTST_CSC (1 << 16) /* Bit 16: Connect status change */
#define OHCI_RHPORTST_PESC (1 << 17) /* Bit 17: Port enable status change */
#define OHCI_RHPORTST_PSSC (1 << 18) /* Bit 18: Port suspend status change */
#define OHCI_RHPORTST_OCIC (1 << 19) /* Bit 19: Port over current indicator change */
#define OHCI_RHPORTST_PRSC (1 << 20) /* Bit 20: Port reset status change */
/* Bits 21-31: Reserved */
/* Transfer Descriptors *****************************************************/
/* Endpoint Descriptor Offsets (4.2.1) */
#define ED_CONTROL_OFFSET (0x00) /* ED status/control bits */
#define ED_TAILP_OFFSET (0x04) /* TD Queue Tail Pointer (TailP) */
#define ED_HEADP_OFFSET (0x08) /* TD Queue Head Pointer (HeadP) */
#define ED_NEXTED_OFFSET (0x0c) /* Next Endpoint Descriptor (NextED) */
/* Endpoint Descriptor Bit Definitions (4.2.2) */
#define ED_CONTROL_FA_SHIFT (0) /* Bits 0-6: Function Address */
#define ED_CONTROL_FA_MASK (0x7f << ED_CONTROL_FA_SHIFT)
#define ED_CONTROL_EN_SHIFT (7) /* Bits 7-10: Endpoint number */
#define ED_CONTROL_EN_MASK (15 << ED_CONTROL_EN_SHIFT)
#define ED_CONTROL_D_SHIFT (11) /* Bits 11-12: Direction */
#define ED_CONTROL_D_MASK (3 << ED_CONTROL_D_SHIFT)
# define ED_CONTROL_D_TD1 (0 << ED_CONTROL_D_SHIFT) /* Get direction from TD */
# define ED_CONTROL_D_OUT (1 << ED_CONTROL_D_SHIFT) /* OUT */
# define ED_CONTROL_D_IN (2 << ED_CONTROL_D_SHIFT) /* IN */
# define ED_CONTROL_D_TD2 (3 << ED_CONTROL_D_SHIFT) /* Get direction from TD */
#define ED_CONTROL_S (1 << 13) /* Bit 13: Speed (low) */
#define ED_CONTROL_K (1 << 14) /* Bit 14: Skip */
#define ED_CONTROL_F (1 << 15) /* Bit 15: Format (isochronous) */
#define ED_CONTROL_MPS_SHIFT (16) /* Bits 16-26: Maximum packet size */
#define ED_CONTROL_MPS_MASK (0x7ff << ED_CONTROL_MPS_SHIFT)
#define ED_HEADP_ADDR_SHIFT (0)
#define ED_HEADP_ADDR_MASK 0xfffffff0
#define ED_HEADP_H (1 << 0) /* Bit 0: Halted */
#define ED_HEADP_C (1 << 1) /* Bit 1: Toggle carry */
/* General Transfer Descriptor Offsets (4.3.1) */
#define GTD_STATUS_OFFSET (0x00) /* TD status bits */
#define GTD_CBP_OFFSET (0x04) /* Current Buffer Pointer (CBP) */
#define GTD_NEXTTD_OFFSET (0x08) /* Next TD (NextTD) */
#define GTD_BE_OFFSET (0x0c) /* Buffer End (BE) */
/* General Transfer Descriptor Bit Definitions */
/* Bits 0-17: Reserved */
#define GTD_STATUS_R (1 << 18) /* Bit 18: Buffer rounding */
#define GTD_STATUS_DP_SHIFT (19) /* Bits 19-20: Direction/PID */
#define GTD_STATUS_DP_MASK (3 << GTD_STATUS_DP_SHIFT)
# define GTD_STATUS_DP_SETUP (0 << GTD_STATUS_DP_SHIFT) /* To endpoint */
# define GTD_STATUS_DP_OUT (1 << GTD_STATUS_DP_SHIFT) /* To endpoint */
# define GTD_STATUS_DP_IN (2 << GTD_STATUS_DP_SHIFT) /* From endpoint */
#define GTD_STATUS_DI_SHIFT (21) /* Bits 21-23: Delay input */
#define GTD_STATUS_DI_MASK (7 << GTD_STATUS_DI_SHIFT)
#define GTD_STATUS_T_SHIFT (24) /* Bits 24-25: Data Toggle */
#define GTD_STATUS_T_MASK (3 << GTD_STATUS_T_SHIFT)
# define GTD_STATUS_T_TOGGLE (0 << GTD_STATUS_T_SHIFT)
# define GTD_STATUS_T_DATA0 (2 << GTD_STATUS_T_SHIFT)
# define GTD_STATUS_T_DATA1 (3 << GTD_STATUS_T_SHIFT)
#define GTD_STATUS_EC_SHIFT (26) /* Bits 26-27: Error count */
#define GTD_STATUS_EC_MASK (3 << GTD_STATUS_EC_SHIFT)
#define GTD_STATUS_CC_SHIFT (28) /* Bits 28-31: Condition code */
#define GTD_STATUS_CC_MASK (15 << GTD_STATUS_CC_SHIFT)
/* Isochronous Transfer Descriptor Offsets (4.3.2) */
#define ITD_STATUS_OFFSET (0x00) /* TD status bits */
#define ITD_BP0_OFFSET (0x04) /* Buffer page 0 (BP0) */
#define ITD_NEXTTD_OFFSET (0x08) /* Next TD (NextTD) */
#define ITD_BE_OFFSET (0x0c) /* Buffer End (BE) */
#define ITD_NPSW (8)
#define ITD_PSW0_OFFSET (0x10) /* Offset0/PSW0 */
#define ITD_PSW1_OFFSET (0x12) /* Offset1/PSW1 */
#define ITD_PSW2_OFFSET (0x14) /* Offset2/PSW2 */
#define ITD_PSW3_OFFSET (0x16) /* Offset3/PSW3 */
#define ITD_PSW4_OFFSET (0x18) /* Offset4/PSW4 */
#define ITD_PSW5_OFFSET (0x1a) /* Offset5/PSW5 */
#define ITD_PSW6_OFFSET (0x1c) /* Offset6/PSW6 */
#define ITD_PSW7_OFFSET (0x1e) /* Offset7/PSW7 */
/* Condition codes (Table 4-7) */
#define TD_CC_NOERROR 0x00
#define TD_CC_CRC 0x01
#define TD_CC_BITSTUFFING 0x02
#define TD_CC_DATATOGGLEMISMATCH 0x03
#define TD_CC_STALL 0x04
#define TD_CC_DEVNOTRESPONDING 0x05
#define TD_CC_PIDCHECKFAILURE 0x06
#define TD_CC_UNEXPECTEDPID 0x07
#define TD_CC_DATAOVERRUN 0x08
#define TD_CC_DATAUNDERRUN 0x09
#define TD_CC_BUFFEROVERRUN 0x0c
#define TD_CC_BUFFERUNDERRUN 0x0d
#define TD_CC_NOTACCESSED 0x0f
#define TD_CC_USER 0x10 /* For use by OHCI drivers */
/* Host Controller Communications Area Format (4.4.1) ***********************/
/* HccaInterruptTable: 32x32-bit pointers to interrupt EDs */
#define HCCA_INTTBL_OFFSET (0x00)
#define HCCA_INTTBL_WSIZE (32)
#define HCCA_INTTBL_BSIZE (HCCA_INTTBL_WSIZE * 4)
/* HccaFrameNumber: Current frame number */
#define HCCA_FMNO_OFFSET (0x80)
#define HCCA_FMNO_BSIZE (2)
/* HccaPad1: Zero when frame no. updated */
#define HCCA_PAD1_OFFSET (0x82)
#define HCCA_PAD1_BSIZE (2)
/* HccaDoneHead: When the HC reaches the end of a frame and its deferred
* interrupt register is 0, it writes the current value of its HcDoneHead to
* this location and generates an interrupt.
*
* The LSB of HCCADoneHead may be set to 1 to indicate that an unmasked
* HcInterruptStatus was set when HccaDoneHead was written.
*/
#define HCCA_DONEHEAD_OFFSET (0x84)
#define HCCA_DONEHEAD_BSIZE (4)
#define HCCA_DONEHEAD_MASK 0xfffffffe
#define HCCA_DONEHEAD_INTSTA (1 << 0)
/* 0x88: 116 bytes reserved */
#define HCCA_RESERVED_OFFSET (0x88)
#define HCCA_RESERVED_BSIZE (116)
/****************************************************************************
* Public Types
****************************************************************************/
struct ohci_hcor
{
volatile uint32_t hcrevision; /* 0x00 */
volatile uint32_t hccontrol; /* 0x04 */
volatile uint32_t hccmdsts; /* 0x08 */
volatile uint32_t hcintsts; /* 0x0c */
volatile uint32_t hcinten; /* 0x10 */
volatile uint32_t hcintdis; /* 0x14 */
volatile uint32_t hchcca; /* 0x18 */
volatile uint32_t hcperiodcurrented; /* 0x1c */
volatile uint32_t hccontrolheaded; /* 0x20 */
volatile uint32_t hccontrolcurrented; /* 0x24 */
volatile uint32_t hcbulkheaded; /* 0x28 */
volatile uint32_t hcbulkcurrented; /* 0x2c */
volatile uint32_t hcdonehead; /* 0x30 */
volatile uint32_t hcfminterval; /* 0x34 */
volatile uint32_t hcfmremaining; /* 0x38 */
volatile uint32_t hcfmnumber; /* 0x3c */
volatile uint32_t hcperiodicstart; /* 0x40 */
volatile uint32_t hclsthreshold; /* 0x44 */
volatile uint32_t hcrhdescriptora; /* 0x48 */
volatile uint32_t hcrhdescriptorb; /* 0x4c */
volatile uint32_t hcrhsts; /* 0x50 */
volatile uint32_t hcrhportsts[15]; /* 0x54 */
};
/* Endpoint Descriptor Offsets (4.2.1) */
struct ohci_ed_s
{
volatile uint32_t ctrl; /* ED status/control bits */
volatile uint32_t tailp; /* TD Queue Tail Pointer (TailP) */
volatile uint32_t headp; /* TD Queue Head Pointer (HeadP) */
volatile uint32_t nexted; /* Next Endpoint Descriptor (NextED) */
};
/* General Transfer Descriptor (4.3.1) */
struct ohci_gtd_s
{
volatile uint32_t ctrl; /* TD status/control bits */
volatile uint32_t cbp; /* Current Buffer Pointer (CBP) */
volatile uint32_t nexttd; /* Next TD (NextTD) */
volatile uint32_t be; /* Buffer End (BE) */
};
/* Isochronous Transfer Descriptor Offsets (4.3.2) */
struct ohci_itd_s
{
volatile uint32_t ctrl; /* TD status/control bits */
volatile uint32_t bp0; /* Buffer page 0 (BP0 */
volatile uint32_t nexttd; /* Next TD (NextTD) */
volatile uint32_t be; /* Buffer End (BE) */
volatile uint16_t psw[ITD_NPSW]; /* Offset/PSW */
};
/* Host Controller Communications Area Format (4.4.1) */
struct ohci_hcca_s
{
/* HccaInterruptTable: 32x32-bit pointers to interrupt EDs */
volatile uint32_t inttbl[HCCA_INTTBL_WSIZE];
/* HccaFrameNumber: Current frame number and
* HccaPad1: Zero when frame no. updated
*/
volatile uint16_t fmno;
volatile uint16_t pad1;
/* HccaDoneHead: When the HC reaches the end of a frame and its deferred
* interrupt register is 0, it writes the current value of its HcDoneHead
* to this location and generates an interrupt.
*/
volatile uint32_t donehead;
volatile uint8_t reserved[HCCA_RESERVED_BSIZE];
volatile uint32_t extra;
} __attribute__((aligned(256)));
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_NUTTX_USB_OHCI_H */

24
port/ohci/usb_ohci_priv.h Normal file
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@@ -0,0 +1,24 @@
/*
* Copyright (c) 2024, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _USB_OHCI_PRIV_H
#define _USB_OHCI_PRIV_H
#include "usbh_core.h"
#include "usbh_hub.h"
#include "usb_hc_ohci.h"
#define OHCI_HCOR ((struct ohci_hcor *)(uintptr_t)(bus->hcd.reg_base + CONFIG_USB_OHCI_HCOR_OFFSET))
int ohci_init(struct usbh_bus *bus);
int ohci_deinit(struct usbh_bus *bus);
uint16_t ohci_get_frame_number(struct usbh_bus *bus);
int ohci_roothub_control(struct usbh_bus *bus, struct usb_setup_packet *setup, uint8_t *buf);
int ohci_submit_urb(struct usbh_urb *urb);
int ohci_kill_urb(struct usbh_urb *urb);
void OHCI_IRQHandler(uint8_t busid);
#endif