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usbdebug: Split endpoint buffers

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Refactor the structure to better support receive and another
set of endpoints over usbdebug.

Change-Id: Ib0f76afdf4e638363ff30c67010920142c58f250
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3726
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki
2013-07-08 18:11:44 +03:00
parent dcea700762
commit 026ff3e436
2 changed files with 72 additions and 54 deletions
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31
src/include/usbdebug.h
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@@ -40,31 +40,18 @@ void pci_ehci_read_resources(struct device *dev);
#endif
#endif
struct ehci_debug_info {
void *ehci_caps;
void *ehci_regs;
void *ehci_debug;
u32 devnum;
u32 endpoint_out;
u32 endpoint_in;
char buf[8];
u8 bufidx;
u8 status;
};
#define DBGP_EP_VALID (1<<0)
#define DBGP_EP_ENABLED (1<<1)
#define DBGP_EP_STATMASK (DBGP_EP_VALID | DBGP_EP_ENABLED)
struct dbgp_pipe;
void enable_usbdebug(unsigned int port);
int dbgp_bulk_write_x(struct ehci_debug_info *dbg_info, const char *bytes, int size);
int dbgp_bulk_read_x(struct ehci_debug_info *dbg_info, void *data, int size);
void set_debug_port(unsigned port);
int usbdebug_init(void);
struct ehci_debug_info *dbgp_console_output(void);
struct ehci_debug_info *dbgp_console_input(void);
int dbgp_ep_is_active(struct ehci_debug_info *dbg_info);
void usbdebug_tx_byte(struct ehci_debug_info *info, unsigned char data);
void usbdebug_tx_flush(struct ehci_debug_info *info);
struct dbgp_pipe *dbgp_console_output(void);
struct dbgp_pipe *dbgp_console_input(void);
int dbgp_ep_is_active(struct dbgp_pipe *pipe);
int dbgp_bulk_write_x(struct dbgp_pipe *pipe, const char *bytes, int size);
int dbgp_bulk_read_x(struct dbgp_pipe *pipe, void *data, int size);
void usbdebug_tx_byte(struct dbgp_pipe *pipe, unsigned char data);
void usbdebug_tx_flush(struct dbgp_pipe *pipe);
#endif