diff options
Diffstat (limited to 'qemu/roms/seabios/src/hw/usb-ehci.h')
-rw-r--r-- | qemu/roms/seabios/src/hw/usb-ehci.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/qemu/roms/seabios/src/hw/usb-ehci.h b/qemu/roms/seabios/src/hw/usb-ehci.h new file mode 100644 index 000000000..88f7b6a1e --- /dev/null +++ b/qemu/roms/seabios/src/hw/usb-ehci.h @@ -0,0 +1,176 @@ +#ifndef __USB_EHCI_H +#define __USB_EHCI_H + +// usb-ehci.c +void ehci_setup(void); +struct usbdevice_s; +struct usb_endpoint_descriptor; +struct usb_pipe; +struct usb_pipe *ehci_realloc_pipe(struct usbdevice_s *usbdev + , struct usb_pipe *upipe + , struct usb_endpoint_descriptor *epdesc); +int ehci_send_pipe(struct usb_pipe *p, int dir, const void *cmd + , void *data, int datasize); +int ehci_poll_intr(struct usb_pipe *p, void *data); + + +/**************************************************************** + * ehci structs and flags + ****************************************************************/ + +struct ehci_caps { + u8 caplength; + u8 reserved_01; + u16 hciversion; + u32 hcsparams; + u32 hccparams; + u64 portroute; +} PACKED; + +#define HCC_64BIT_ADDR 1 + +#define HCS_N_PORTS_MASK 0xf + +struct ehci_regs { + u32 usbcmd; + u32 usbsts; + u32 usbintr; + u32 frindex; + u32 ctrldssegment; + u32 periodiclistbase; + u32 asynclistbase; + u32 reserved[9]; + u32 configflag; + u32 portsc[0]; +} PACKED; + +#define CMD_PARK (1<<11) +#define CMD_PARK_CNT(c) (((c)>>8)&3) +#define CMD_LRESET (1<<7) +#define CMD_IAAD (1<<6) +#define CMD_ASE (1<<5) +#define CMD_PSE (1<<4) +#define CMD_HCRESET (1<<1) +#define CMD_RUN (1<<0) + +#define STS_ASS (1<<15) +#define STS_PSS (1<<14) +#define STS_RECL (1<<13) +#define STS_HALT (1<<12) +#define STS_IAA (1<<5) +#define STS_FATAL (1<<4) +#define STS_FLR (1<<3) +#define STS_PCD (1<<2) +#define STS_ERR (1<<1) +#define STS_INT (1<<0) + +#define FLAG_CF (1<<0) + +#define PORT_WKOC_E (1<<22) +#define PORT_WKDISC_E (1<<21) +#define PORT_WKCONN_E (1<<20) +#define PORT_TEST_PKT (0x4<<16) +#define PORT_LED_OFF (0<<14) +#define PORT_LED_AMBER (1<<14) +#define PORT_LED_GREEN (2<<14) +#define PORT_LED_MASK (3<<14) +#define PORT_OWNER (1<<13) +#define PORT_POWER (1<<12) +#define PORT_LINESTATUS_MASK (3<<10) +#define PORT_LINESTATUS_KSTATE (1<<10) +#define PORT_RESET (1<<8) +#define PORT_SUSPEND (1<<7) +#define PORT_RESUME (1<<6) +#define PORT_OCC (1<<5) +#define PORT_OC (1<<4) +#define PORT_PEC (1<<3) +#define PORT_PE (1<<2) +#define PORT_CSC (1<<1) +#define PORT_CONNECT (1<<0) +#define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC) + + +#define EHCI_QH_ALIGN 128 // Can't span a 4K boundary, so increase from 32 + +struct ehci_qh { + u32 next; + u32 info1; + u32 info2; + u32 current; + + u32 qtd_next; + u32 alt_next; + u32 token; + u32 buf[5]; + u32 buf_hi[5]; +} PACKED; + +#define QH_CONTROL (1 << 27) +#define QH_MAXPACKET_SHIFT 16 +#define QH_MAXPACKET_MASK (0x7ff << QH_MAXPACKET_SHIFT) +#define QH_HEAD (1 << 15) +#define QH_TOGGLECONTROL (1 << 14) +#define QH_SPEED_SHIFT 12 +#define QH_SPEED_MASK (0x3 << QH_SPEED_SHIFT) +#define QH_EP_SHIFT 8 +#define QH_EP_MASK (0xf << QH_EP_SHIFT) +#define QH_DEVADDR_SHIFT 0 +#define QH_DEVADDR_MASK (0x7f << QH_DEVADDR_SHIFT) + +#define QH_SMASK_SHIFT 0 +#define QH_SMASK_MASK (0xff << QH_SMASK_SHIFT) +#define QH_CMASK_SHIFT 8 +#define QH_CMASK_MASK (0xff << QH_CMASK_SHIFT) +#define QH_HUBADDR_SHIFT 16 +#define QH_HUBADDR_MASK (0x7f << QH_HUBADDR_SHIFT) +#define QH_HUBPORT_SHIFT 23 +#define QH_HUBPORT_MASK (0x7f << QH_HUBPORT_SHIFT) +#define QH_MULT_SHIFT 30 +#define QH_MULT_MASK (0x3 << QH_MULT_SHIFT) + +#define EHCI_PTR_BITS 0x001F +#define EHCI_PTR_TERM 0x0001 +#define EHCI_PTR_QH 0x0002 + + +#define EHCI_QTD_ALIGN 64 // Can't span a 4K boundary, so increase from 32 + +struct ehci_qtd { + u32 qtd_next; + u32 alt_next; + u32 token; + u32 buf[5]; + u32 buf_hi[5]; + /* keep struct size a multiple of 64 bytes, as we're allocating + arrays. Without this padding, the second qtd could have the + wrong alignment. */ +} PACKED __aligned(EHCI_QTD_ALIGN); + +#define QTD_TOGGLE (1 << 31) +#define QTD_LENGTH_SHIFT 16 +#define QTD_LENGTH_MASK (0x7fff << QTD_LENGTH_SHIFT) +#define QTD_CERR_SHIFT 10 +#define QTD_CERR_MASK (0x3 << QTD_CERR_SHIFT) +#define QTD_IOC (1 << 15) +#define QTD_PID_OUT (0x0 << 8) +#define QTD_PID_IN (0x1 << 8) +#define QTD_PID_SETUP (0x2 << 8) +#define QTD_STS_ACTIVE (1 << 7) +#define QTD_STS_HALT (1 << 6) +#define QTD_STS_DBE (1 << 5) +#define QTD_STS_BABBLE (1 << 4) +#define QTD_STS_XACT (1 << 3) +#define QTD_STS_MMF (1 << 2) +#define QTD_STS_STS (1 << 1) +#define QTD_STS_PING (1 << 0) + +#define ehci_explen(len) (((len) << QTD_LENGTH_SHIFT) & QTD_LENGTH_MASK) + +#define ehci_maxerr(err) (((err) << QTD_CERR_SHIFT) & QTD_CERR_MASK) + + +struct ehci_framelist { + u32 links[1024]; +} PACKED; + +#endif // usb-ehci.h |