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path: root/payloads/libpayload/drivers/usb/uhci_private.h
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Diffstat (limited to 'payloads/libpayload/drivers/usb/uhci_private.h')
-rw-r--r--payloads/libpayload/drivers/usb/uhci_private.h73
1 files changed, 28 insertions, 45 deletions
diff --git a/payloads/libpayload/drivers/usb/uhci_private.h b/payloads/libpayload/drivers/usb/uhci_private.h
index adcd91c7b3..f650c4a468 100644
--- a/payloads/libpayload/drivers/usb/uhci_private.h
+++ b/payloads/libpayload/drivers/usb/uhci_private.h
@@ -32,55 +32,38 @@
typedef enum { UHCI_SETUP = 0x2d, UHCI_IN = 0x69, UHCI_OUT = 0xe1 } uhci_pid_t;
-typedef union {
- struct {
- unsigned long terminate:1;
- unsigned long queue_head:1;
- unsigned long:2;
- unsigned long ptr_part:28;
- };
- u32 ptr;
-} __attribute__ ((packed)) flistp_t;
+typedef u32 flistp_t;
+#define FLISTP_TERMINATE 1
+#define FLISTP_QH 2
typedef struct {
- union {
- struct {
- unsigned long terminate:1;
- unsigned long queue_head:1;
- unsigned long depth_first:1;
- unsigned long:29;
- } __attribute__ ((packed));
- u32 ptr;
- } __attribute__ ((packed));
+ u32 ptr;
+#define TD_TERMINATE 1
+#define TD_QH 2
+#define TD_DEPTH_FIRST 4
- volatile unsigned long actlen:11;
- volatile unsigned long:5;
- union {
- struct {
- unsigned long:1; // bit 0
- unsigned long status_bitstuff_err:1;
- unsigned long status_crc_err:1;
- unsigned long status_nakrcvd:1;
- unsigned long status_babble:1;
- unsigned long status_databuf_err:1;
- unsigned long status_stalled:1;
- unsigned long status_active:1; // bit 7
- } __attribute__ ((packed));
- unsigned char status;
- } __attribute__ ((packed));
- volatile unsigned long ioc:1; /* interrupt on complete */
- volatile unsigned long isochronous:1;
- volatile unsigned long lowspeed:1;
- volatile unsigned long counter:2;
- volatile unsigned long shortpck:1;
- volatile unsigned long:2;
+ u32 ctrlsts;
+#define TD_STATUS_MASK (0xff << 16)
+#define TD_STATUS_BITSTUFF_ERR (1 << 17)
+#define TD_STATUS_CRC_ERR (1 << 18)
+#define TD_STATUS_NAK_RCVD (1 << 19)
+#define TD_STATUS_BABBLE (1 << 20)
+#define TD_STATUS_DATABUF_ERR (1 << 21)
+#define TD_STATUS_STALLED (1 << 22)
+#define TD_STATUS_ACTIVE (1 << 23)
+#define TD_LOWSPEED (1 << 26)
+#define TD_COUNTER_SHIFT 27
- unsigned long pid:8;
- unsigned long dev_addr:7;
- unsigned long endp:4;
- unsigned long data_toggle:1;
- unsigned long:1;
- unsigned long maxlen:11;
+ u32 token;
+#define TD_PID_MASK 0xff
+#define TD_DEVADDR_SHIFT 8
+#define TD_DEVADDR_MASK (((1<<7)-1) << TD_DEVADDR_SHIFT)
+#define TD_EP_SHIFT 15
+#define TD_EP_MASK (0xf << TD_EP_SHIFT)
+#define TD_TOGGLE_SHIFT 19
+#define TD_MAXLEN_SHIFT 21
+#define TD_TOGGLE_DATA0 0
+#define TD_TOGGLE_DATA1 (1 << TD_TOGGLE_SHIFT)
u32 bufptr;