diff options
Diffstat (limited to 'drivers/tty/serial/sh-sci.h')
| -rw-r--r-- | drivers/tty/serial/sh-sci.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h new file mode 100644 index 000000000..d5db81a0a --- /dev/null +++ b/drivers/tty/serial/sh-sci.h @@ -0,0 +1,38 @@ +#include <linux/serial_core.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#define SCxSR_TEND(port) (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND) +#define SCxSR_RDxF(port) (((port)->type == PORT_SCI) ? SCI_RDRF : SCIF_RDF) +#define SCxSR_TDxE(port) (((port)->type == PORT_SCI) ? SCI_TDRE : SCIF_TDFE) +#define SCxSR_FER(port) (((port)->type == PORT_SCI) ? SCI_FER : SCIF_FER) +#define SCxSR_PER(port) (((port)->type == PORT_SCI) ? SCI_PER : SCIF_PER) +#define SCxSR_BRK(port) (((port)->type == PORT_SCI) ? 0x00 : SCIF_BRK) + +#define SCxSR_ERRORS(port) (to_sci_port(port)->error_mask) + +#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7720) || \ + defined(CONFIG_CPU_SUBTYPE_SH7721) || \ + defined(CONFIG_ARCH_SH73A0) || \ + defined(CONFIG_ARCH_SH7372) || \ + defined(CONFIG_ARCH_R8A7740) + +# define SCxSR_RDxF_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfffc) +# define SCxSR_ERROR_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfd73) +# define SCxSR_TDxE_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffdf) +# define SCxSR_BREAK_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffe3) +#else +# define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc) +# define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073) +# define SCxSR_TDxE_CLEAR(port) (((port)->type == PORT_SCI) ? 0x78 : 0x00df) +# define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3) +#endif + +/* SCFCR */ +#define SCFCR_RFRST 0x0002 +#define SCFCR_TFRST 0x0004 +#define SCFCR_MCE 0x0008 + +#define SCI_MAJOR 204 +#define SCI_MINOR_START 8 |