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usb: Start implementing Endpoint/Transfer descriptor parsing

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This commit is contained in:
Cacodemon345
2023-05-07 23:07:03 +06:00
parent 708f00699b
commit 9ce81ac275
2 changed files with 128 additions and 42 deletions
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29
src/include/86box/usb.h
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@@ -50,9 +50,8 @@ typedef struct usb_t
uint32_t ohci_mem_base, irq_level;
mem_mapping_t ohci_mmio_mapping;
pc_timer_t ohci_frame_timer;
pc_timer_t ohci_interrupt_desc_poll_timer;
pc_timer_t ohci_port_reset_timer[2];
uint8_t ohci_interrupt_counter : 5;
uint8_t ohci_interrupt_counter : 3;
usb_params_t* usb_params;
} usb_t;
@@ -80,32 +79,6 @@ typedef struct
#pragma pack(pop)
typedef struct
{
uint32_t HccaInterrruptTable[32];
uint16_t HccaFrameNumber;
uint16_t HccaPad1;
uint32_t HccaDoneHead;
} usb_hcca_t;
/* Transfer descriptors */
typedef struct
{
uint32_t Control;
uint32_t CBP;
uint32_t NextTD;
uint32_t BE;
} usb_td_t;
/* Endpoint descriptors */
typedef struct
{
uint32_t Control;
uint32_t TailP;
uint32_t HeadP;
uint32_t NextED;
} usb_ed_t;
/* USB endpoint device struct. Incomplete and unused. */
typedef struct
{