diff options
Diffstat (limited to 'drivers/staging/cpc-usb/sja2m16c.h')
| -rw-r--r-- | drivers/staging/cpc-usb/sja2m16c.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/staging/cpc-usb/sja2m16c.h b/drivers/staging/cpc-usb/sja2m16c.h new file mode 100644 index 000000000000..654bd3fc91dc --- /dev/null +++ b/drivers/staging/cpc-usb/sja2m16c.h @@ -0,0 +1,41 @@ +#ifndef _SJA2M16C_H +#define _SJA2M16C_H + +#include "cpc.h" + +#define BAUDRATE_TOLERANCE_PERCENT 1 +#define SAMPLEPOINT_TOLERANCE_PERCENT 5 +#define SAMPLEPOINT_UPPER_LIMIT 88 + +/* M16C parameters */ +struct FIELD_C0CONR { + unsigned int brp:4; + unsigned int sam:1; + unsigned int pr:3; + unsigned int dummy:8; +}; +struct FIELD_C1CONR { + unsigned int ph1:3; + unsigned int ph2:3; + unsigned int sjw:2; + unsigned int dummy:8; +}; +typedef union C0CONR { + unsigned char c0con; + struct FIELD_C0CONR bc0con; +} C0CONR_T; +typedef union C1CONR { + unsigned char c1con; + struct FIELD_C1CONR bc1con; +} C1CONR_T; + +#define SJA_TSEG1 ((pParams->btr1 & 0x0f)+1) +#define SJA_TSEG2 (((pParams->btr1 & 0x70)>>4)+1) +#define SJA_BRP ((pParams->btr0 & 0x3f)+1) +#define SJA_SJW ((pParams->btr0 & 0xc0)>>6) +#define SJA_SAM ((pParams->btr1 & 0x80)>>7) +int baudrate_m16c(int clk, int brp, int pr, int ph1, int ph2); +int samplepoint_m16c(int brp, int pr, int ph1, int ph2); +int SJA1000_TO_M16C_BASIC_Params(CPC_MSG_T *pMsg); + +#endif |