diff options
Diffstat (limited to 'cpu/arm920t/s3c24x0/usb_ohci.h')
| -rw-r--r-- | cpu/arm920t/s3c24x0/usb_ohci.h | 293 |
1 files changed, 145 insertions, 148 deletions
diff --git a/cpu/arm920t/s3c24x0/usb_ohci.h b/cpu/arm920t/s3c24x0/usb_ohci.h index 5e9a0fd..3af5fca 100644 --- a/cpu/arm920t/s3c24x0/usb_ohci.h +++ b/cpu/arm920t/s3c24x0/usb_ohci.h @@ -11,30 +11,30 @@ static int cc_to_error[16] = { /* mapping of the OHCI CC status to error codes */ - /* No Error */ 0, - /* CRC Error */ USB_ST_CRC_ERR, - /* Bit Stuff */ USB_ST_BIT_ERR, - /* Data Togg */ USB_ST_CRC_ERR, - /* Stall */ USB_ST_STALLED, - /* DevNotResp */ -1, - /* PIDCheck */ USB_ST_BIT_ERR, - /* UnExpPID */ USB_ST_BIT_ERR, - /* DataOver */ USB_ST_BUF_ERR, - /* DataUnder */ USB_ST_BUF_ERR, - /* reservd */ -1, - /* reservd */ -1, - /* BufferOver */ USB_ST_BUF_ERR, - /* BuffUnder */ USB_ST_BUF_ERR, - /* Not Access */ -1, - /* Not Access */ -1 + /* No Error */ 0, + /* CRC Error */ USB_ST_CRC_ERR, + /* Bit Stuff */ USB_ST_BIT_ERR, + /* Data Togg */ USB_ST_CRC_ERR, + /* Stall */ USB_ST_STALLED, + /* DevNotResp */ -1, + /* PIDCheck */ USB_ST_BIT_ERR, + /* UnExpPID */ USB_ST_BIT_ERR, + /* DataOver */ USB_ST_BUF_ERR, + /* DataUnder */ USB_ST_BUF_ERR, + /* reservd */ -1, + /* reservd */ -1, + /* BufferOver */ USB_ST_BUF_ERR, + /* BuffUnder */ USB_ST_BUF_ERR, + /* Not Access */ -1, + /* Not Access */ -1 }; /* ED States */ -#define ED_NEW 0x00 -#define ED_UNLINK 0x01 +#define ED_NEW 0x00 +#define ED_UNLINK 0x01 #define ED_OPER 0x02 #define ED_DEL 0x04 -#define ED_URB_DEL 0x08 +#define ED_URB_DEL 0x08 /* usb_ohci_ed */ struct ed { @@ -60,53 +60,53 @@ typedef struct ed ed_t; /* TD info field */ -#define TD_CC 0xf0000000 -#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f) -#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28) -#define TD_EC 0x0C000000 -#define TD_T 0x03000000 -#define TD_T_DATA0 0x02000000 -#define TD_T_DATA1 0x03000000 -#define TD_T_TOGGLE 0x00000000 -#define TD_R 0x00040000 -#define TD_DI 0x00E00000 -#define TD_DI_SET(X) (((X) & 0x07)<< 21) -#define TD_DP 0x00180000 -#define TD_DP_SETUP 0x00000000 -#define TD_DP_IN 0x00100000 -#define TD_DP_OUT 0x00080000 - -#define TD_ISO 0x00010000 -#define TD_DEL 0x00020000 +#define TD_CC 0xf0000000 +#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f) +#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28) +#define TD_EC 0x0C000000 +#define TD_T 0x03000000 +#define TD_T_DATA0 0x02000000 +#define TD_T_DATA1 0x03000000 +#define TD_T_TOGGLE 0x00000000 +#define TD_R 0x00040000 +#define TD_DI 0x00E00000 +#define TD_DI_SET(X) (((X) & 0x07)<< 21) +#define TD_DP 0x00180000 +#define TD_DP_SETUP 0x00000000 +#define TD_DP_IN 0x00100000 +#define TD_DP_OUT 0x00080000 + +#define TD_ISO 0x00010000 +#define TD_DEL 0x00020000 /* CC Codes */ -#define TD_CC_NOERROR 0x00 -#define TD_CC_CRC 0x01 -#define TD_CC_BITSTUFFING 0x02 -#define TD_CC_DATATOGGLEM 0x03 -#define TD_CC_STALL 0x04 -#define TD_DEVNOTRESP 0x05 -#define TD_PIDCHECKFAIL 0x06 -#define TD_UNEXPECTEDPID 0x07 -#define TD_DATAOVERRUN 0x08 -#define TD_DATAUNDERRUN 0x09 -#define TD_BUFFEROVERRUN 0x0C -#define TD_BUFFERUNDERRUN 0x0D -#define TD_NOTACCESSED 0x0F +#define TD_CC_NOERROR 0x00 +#define TD_CC_CRC 0x01 +#define TD_CC_BITSTUFFING 0x02 +#define TD_CC_DATATOGGLEM 0x03 +#define TD_CC_STALL 0x04 +#define TD_DEVNOTRESP 0x05 +#define TD_PIDCHECKFAIL 0x06 +#define TD_UNEXPECTEDPID 0x07 +#define TD_DATAOVERRUN 0x08 +#define TD_DATAUNDERRUN 0x09 +#define TD_BUFFEROVERRUN 0x0C +#define TD_BUFFERUNDERRUN 0x0D +#define TD_NOTACCESSED 0x0F #define MAXPSW 1 struct td { __u32 hwINFO; - __u32 hwCBP; /* Current Buffer Pointer */ - __u32 hwNextTD; /* Next TD Pointer */ - __u32 hwBE; /* Memory Buffer End Pointer */ - - __u8 unused; - __u8 index; - struct ed *ed; - struct td *next_dl_td; + __u32 hwCBP; /* Current Buffer Pointer */ + __u32 hwNextTD; /* Next TD Pointer */ + __u32 hwBE; /* Memory Buffer End Pointer */ + + __u8 unused; + __u8 index; + struct ed *ed; + struct td *next_dl_td; struct usb_device *usb_dev; int transfer_len; __u32 data; @@ -129,7 +129,7 @@ struct ohci_hcca { __u16 frame_no; /* current frame number */ __u16 pad1; /* set to 0 on each frame_no change */ __u32 done_head; /* info returned for an interrupt */ - u8 reserved_for_hc[116]; + u8 reserved_for_hc[116]; } __attribute((aligned(256))); @@ -140,7 +140,7 @@ struct ohci_hcca { /* * This is the structure of the OHCI controller's memory mapped I/O - * region. This is Memory Mapped I/O. You must use the readl() and + * region. This is Memory Mapped I/O. You must use the readl() and * writel() macros defined in asm/io.h to access these!! */ struct ohci_regs { @@ -200,10 +200,10 @@ struct ohci_regs { * HcCommandStatus (cmdstatus) register masks */ #define OHCI_HCR (1 << 0) /* host controller reset */ -#define OHCI_CLF (1 << 1) /* control list filled */ -#define OHCI_BLF (1 << 2) /* bulk list filled */ -#define OHCI_OCR (1 << 3) /* ownership change request */ -#define OHCI_SOC (3 << 16) /* scheduling overrun count */ +#define OHCI_CLF (1 << 1) /* control list filled */ +#define OHCI_BLF (1 << 2) /* bulk list filled */ +#define OHCI_OCR (1 << 3) /* ownership change request */ +#define OHCI_SOC (3 << 16) /* scheduling overrun count */ /* * masks used with interrupt registers: @@ -234,93 +234,93 @@ struct virt_root_hub { /* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */ /* destination of request */ -#define RH_INTERFACE 0x01 -#define RH_ENDPOINT 0x02 -#define RH_OTHER 0x03 +#define RH_INTERFACE 0x01 +#define RH_ENDPOINT 0x02 +#define RH_OTHER 0x03 -#define RH_CLASS 0x20 -#define RH_VENDOR 0x40 +#define RH_CLASS 0x20 +#define RH_VENDOR 0x40 /* Requests: bRequest << 8 | bmRequestType */ -#define RH_GET_STATUS 0x0080 -#define RH_CLEAR_FEATURE 0x0100 -#define RH_SET_FEATURE 0x0300 +#define RH_GET_STATUS 0x0080 +#define RH_CLEAR_FEATURE 0x0100 +#define RH_SET_FEATURE 0x0300 #define RH_SET_ADDRESS 0x0500 #define RH_GET_DESCRIPTOR 0x0680 -#define RH_SET_DESCRIPTOR 0x0700 +#define RH_SET_DESCRIPTOR 0x0700 #define RH_GET_CONFIGURATION 0x0880 #define RH_SET_CONFIGURATION 0x0900 -#define RH_GET_STATE 0x0280 -#define RH_GET_INTERFACE 0x0A80 -#define RH_SET_INTERFACE 0x0B00 -#define RH_SYNC_FRAME 0x0C80 +#define RH_GET_STATE 0x0280 +#define RH_GET_INTERFACE 0x0A80 +#define RH_SET_INTERFACE 0x0B00 +#define RH_SYNC_FRAME 0x0C80 /* Our Vendor Specific Request */ -#define RH_SET_EP 0x2000 +#define RH_SET_EP 0x2000 /* Hub port features */ -#define RH_PORT_CONNECTION 0x00 -#define RH_PORT_ENABLE 0x01 -#define RH_PORT_SUSPEND 0x02 -#define RH_PORT_OVER_CURRENT 0x03 -#define RH_PORT_RESET 0x04 -#define RH_PORT_POWER 0x08 -#define RH_PORT_LOW_SPEED 0x09 - -#define RH_C_PORT_CONNECTION 0x10 -#define RH_C_PORT_ENABLE 0x11 -#define RH_C_PORT_SUSPEND 0x12 -#define RH_C_PORT_OVER_CURRENT 0x13 -#define RH_C_PORT_RESET 0x14 +#define RH_PORT_CONNECTION 0x00 +#define RH_PORT_ENABLE 0x01 +#define RH_PORT_SUSPEND 0x02 +#define RH_PORT_OVER_CURRENT 0x03 +#define RH_PORT_RESET 0x04 +#define RH_PORT_POWER 0x08 +#define RH_PORT_LOW_SPEED 0x09 + +#define RH_C_PORT_CONNECTION 0x10 +#define RH_C_PORT_ENABLE 0x11 +#define RH_C_PORT_SUSPEND 0x12 +#define RH_C_PORT_OVER_CURRENT 0x13 +#define RH_C_PORT_RESET 0x14 /* Hub features */ -#define RH_C_HUB_LOCAL_POWER 0x00 -#define RH_C_HUB_OVER_CURRENT 0x01 +#define RH_C_HUB_LOCAL_POWER 0x00 +#define RH_C_HUB_OVER_CURRENT 0x01 -#define RH_DEVICE_REMOTE_WAKEUP 0x00 -#define RH_ENDPOINT_STALL 0x01 +#define RH_DEVICE_REMOTE_WAKEUP 0x00 +#define RH_ENDPOINT_STALL 0x01 -#define RH_ACK 0x01 -#define RH_REQ_ERR -1 -#define RH_NACK 0x00 +#define RH_ACK 0x01 +#define RH_REQ_ERR -1 +#define RH_NACK 0x00 /* OHCI ROOT HUB REGISTER MASKS */ /* roothub.portstatus [i] bits */ -#define RH_PS_CCS 0x00000001 /* current connect status */ -#define RH_PS_PES 0x00000002 /* port enable status*/ -#define RH_PS_PSS 0x00000004 /* port suspend status */ -#define RH_PS_POCI 0x00000008 /* port over current indicator */ -#define RH_PS_PRS 0x00000010 /* port reset status */ -#define RH_PS_PPS 0x00000100 /* port power status */ -#define RH_PS_LSDA 0x00000200 /* low speed device attached */ -#define RH_PS_CSC 0x00010000 /* connect status change */ -#define RH_PS_PESC 0x00020000 /* port enable status change */ -#define RH_PS_PSSC 0x00040000 /* port suspend status change */ -#define RH_PS_OCIC 0x00080000 /* over current indicator change */ -#define RH_PS_PRSC 0x00100000 /* port reset status change */ +#define RH_PS_CCS 0x00000001 /* current connect status */ +#define RH_PS_PES 0x00000002 /* port enable status*/ +#define RH_PS_PSS 0x00000004 /* port suspend status */ +#define RH_PS_POCI 0x00000008 /* port over current indicator */ +#define RH_PS_PRS 0x00000010 /* port reset status */ +#define RH_PS_PPS 0x00000100 /* port power status */ +#define RH_PS_LSDA 0x00000200 /* low speed device attached */ +#define RH_PS_CSC 0x00010000 /* connect status change */ +#define RH_PS_PESC 0x00020000 /* port enable status change */ +#define RH_PS_PSSC 0x00040000 /* port suspend status change */ +#define RH_PS_OCIC 0x00080000 /* over current indicator change */ +#define RH_PS_PRSC 0x00100000 /* port reset status change */ /* roothub.status bits */ -#define RH_HS_LPS 0x00000001 /* local power status */ -#define RH_HS_OCI 0x00000002 /* over current indicator */ -#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ -#define RH_HS_LPSC 0x00010000 /* local power status change */ -#define RH_HS_OCIC 0x00020000 /* over current indicator change */ -#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ +#define RH_HS_LPS 0x00000001 /* local power status */ +#define RH_HS_OCI 0x00000002 /* over current indicator */ +#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ +#define RH_HS_LPSC 0x00010000 /* local power status change */ +#define RH_HS_OCIC 0x00020000 /* over current indicator change */ +#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ /* roothub.b masks */ -#define RH_B_DR 0x0000ffff /* device removable flags */ -#define RH_B_PPCM 0xffff0000 /* port power control mask */ +#define RH_B_DR 0x0000ffff /* device removable flags */ +#define RH_B_PPCM 0xffff0000 /* port power control mask */ /* roothub.a masks */ -#define RH_A_NDP (0xff << 0) /* number of downstream ports */ -#define RH_A_PSM (1 << 8) /* power switching mode */ -#define RH_A_NPS (1 << 9) /* no power switching */ -#define RH_A_DT (1 << 10) /* device type (mbz) */ -#define RH_A_OCPM (1 << 11) /* over current protection mode */ -#define RH_A_NOCP (1 << 12) /* no over current protection */ -#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ +#define RH_A_NDP (0xff << 0) /* number of downstream ports */ +#define RH_A_PSM (1 << 8) /* power switching mode */ +#define RH_A_NPS (1 << 9) /* no power switching */ +#define RH_A_DT (1 << 10) /* device type (mbz) */ +#define RH_A_OCPM (1 << 11) /* over current protection mode */ +#define RH_A_NOCP (1 << 12) /* no over current protection */ +#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ /* urb */ #define N_URB_TD 48 @@ -345,39 +345,39 @@ typedef struct typedef struct ohci { - struct ohci_hcca *hcca; /* hcca */ - /*dma_addr_t hcca_dma;*/ + struct ohci_hcca *hcca; /* hcca */ + /*dma_addr_t hcca_dma; */ int irq; - int disabled; /* e.g. got a UE, we're hung */ + int disabled; /* e.g. got a UE, we're hung */ int sleeping; - unsigned long flags; /* for HC bugs */ + unsigned long flags; /* for HC bugs */ struct ohci_regs *regs; /* OHCI controller's memory */ - ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */ - ed_t *ed_bulktail; /* last endpoint of bulk list */ - ed_t *ed_controltail; /* last endpoint of control list */ + ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */ + ed_t *ed_bulktail; /* last endpoint of bulk list */ + ed_t *ed_controltail; /* last endpoint of control list */ int intrstatus; - __u32 hc_control; /* copy of the hc control reg */ + __u32 hc_control; /* copy of the hc control reg */ struct usb_device *dev[32]; struct virt_root_hub rh; - const char *slot_name; + const char *slot_name; } ohci_t; #define NUM_EDS 8 /* num of preallocated endpoint descriptors */ struct ohci_device { - ed_t ed[NUM_EDS]; + ed_t ed[NUM_EDS]; int ed_cnt; }; /* hcd */ /* endpoint */ -static int ep_link(ohci_t * ohci, ed_t * ed); -static int ep_unlink(ohci_t * ohci, ed_t * ed); -static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe); +static int ep_link (ohci_t * ohci, ed_t * ed); +static int ep_unlink (ohci_t * ohci, ed_t * ed); +static ed_t *ep_add_ed (struct usb_device *usb_dev, unsigned long pipe); /*-------------------------------------------------------------------------*/ @@ -385,22 +385,20 @@ static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe); #define NUM_TD 64 /* +1 so we can align the storage */ -td_t gtd[NUM_TD+1]; +td_t gtd[NUM_TD + 1]; + /* pointers to aligned storage */ td_t *ptd; /* TDs ... */ -static inline struct td * -td_alloc (struct usb_device *usb_dev) +static inline struct td *td_alloc (struct usb_device *usb_dev) { int i; - struct td *td; + struct td *td; td = NULL; - for (i = 0; i < NUM_TD; i++) - { - if (ptd[i].usb_dev == NULL) - { + for (i = 0; i < NUM_TD; i++) { + if (ptd[i].usb_dev == NULL) { td = &ptd[i]; td->usb_dev = usb_dev; break; @@ -410,8 +408,7 @@ td_alloc (struct usb_device *usb_dev) return td; } -static inline void -ed_free (struct ed *ed) +static inline void ed_free (struct ed *ed) { ed->usb_dev = NULL; } |