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Add data structures

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21811 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2009-07-12 15:29:22 +00:00
parent ff7c0cd7c5
commit 11f9f3cd46
1 changed files with 24 additions and 3 deletions
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27
firmware/export/ohci.h
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@ -44,12 +44,33 @@
#define OHCI_RH_STATUS (*(volatile unsigned int *)(OHCI_BASE+0x50)) #define OHCI_RH_STATUS (*(volatile unsigned int *)(OHCI_BASE+0x50))
#define OHCI_RH_PORT_STATUS_1 (*(volatile unsigned int *)(OHCI_BASE+0x54)) #define OHCI_RH_PORT_STATUS_1 (*(volatile unsigned int *)(OHCI_BASE+0x54))
#define OHCI_RH_PORT_STATUS_2 (*(volatile unsigned int *)(OHCI_BASE+0x58)) #define OHCI_RH_PORT_STATUS_2 (*(volatile unsigned int *)(OHCI_BASE+0x58))
/* Transfer Descriptor */
struct ohci_td
{
uint32_t td_config;
void *current_buffer_pointer;
struct ohci_td *nextTD;
void *buffer_end;
};
/* Endpoint Descriptor */
struct ohci_ed
{
uint32_t ep_config;
struct ohci_td *tail;
struct ohct_td *head;
struct ohci_ed *nextED;
};
/* Host Controller Communications Area */
struct ohci_hcca struct ohci_hcca
{ {
int32_t interrupt_table[32]; struct ohci_ed (*interrupt_ed_table)[32];
unsigned short frame_number; unsigned short frame_number;
unsigned short pad1; unsigned short pad1;
int32_t done_head; uint32_t done_head;
unsigned char reserved[116]; unsigned char reserved[116];
}; };