diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/hnd_cons.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/hnd_cons.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/hnd_cons.h b/drivers/net/wireless/bcmdhd/include/hnd_cons.h new file mode 100644 index 00000000..dbc83052 --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/hnd_cons.h @@ -0,0 +1,59 @@ +/* + * Console support for RTE - for host use only. + * + * $Copyright Open Broadcom Corporation$ + * + * $Id: hnd_cons.h 473343 2014-04-29 01:45:22Z $ + */ +#ifndef _hnd_cons_h_ +#define _hnd_cons_h_ + +#include <typedefs.h> +#include <siutils.h> + +#define CBUF_LEN (128) + +#define LOG_BUF_LEN 1024 + +#ifdef BOOTLOADER_CONSOLE_OUTPUT +#undef RWL_MAX_DATA_LEN +#undef CBUF_LEN +#undef LOG_BUF_LEN +#define RWL_MAX_DATA_LEN (4 * 1024 + 8) +#define CBUF_LEN (RWL_MAX_DATA_LEN + 64) +#define LOG_BUF_LEN (16 * 1024) +#endif + +typedef struct { + uint32 buf; /* Can't be pointer on (64-bit) hosts */ + uint buf_size; + uint idx; + uint out_idx; /* output index */ +} hnd_log_t; + +typedef struct { + /* Virtual UART + * When there is no UART (e.g. Quickturn), the host should write a complete + * input line directly into cbuf and then write the length into vcons_in. + * This may also be used when there is a real UART (at risk of conflicting with + * the real UART). vcons_out is currently unused. + */ + volatile uint vcons_in; + volatile uint vcons_out; + + /* Output (logging) buffer + * Console output is written to a ring buffer log_buf at index log_idx. + * The host may read the output when it sees log_idx advance. + * Output will be lost if the output wraps around faster than the host polls. + */ + hnd_log_t log; + + /* Console input line buffer + * Characters are read one at a time into cbuf until <CR> is received, then + * the buffer is processed as a command line. Also used for virtual UART. + */ + uint cbuf_idx; + char cbuf[CBUF_LEN]; +} hnd_cons_t; + +#endif /* _hnd_cons_h_ */ |