1 #ifndef __LINUX_SERIAL_SCI_H 2 #define __LINUX_SERIAL_SCI_H 3 4 #include <linux/bitops.h> 5 #include <linux/serial_core.h> 6 #include <linux/sh_dma.h> 7 8 /* 9 * Generic header for SuperH (H)SCI(F) (used by sh/sh64 and related parts) 10 */ 11 12 /* Serial Control Register (@ = not supported by all parts) */ 13 #define SCSCR_TIE BIT(7) /* Transmit Interrupt Enable */ 14 #define SCSCR_RIE BIT(6) /* Receive Interrupt Enable */ 15 #define SCSCR_TE BIT(5) /* Transmit Enable */ 16 #define SCSCR_RE BIT(4) /* Receive Enable */ 17 #define SCSCR_REIE BIT(3) /* Receive Error Interrupt Enable @ */ 18 #define SCSCR_TOIE BIT(2) /* Timeout Interrupt Enable @ */ 19 #define SCSCR_CKE1 BIT(1) /* Clock Enable 1 */ 20 #define SCSCR_CKE0 BIT(0) /* Clock Enable 0 */ 21 22 23 enum { 24 SCIx_PROBE_REGTYPE, 25 26 SCIx_SCI_REGTYPE, 27 SCIx_IRDA_REGTYPE, 28 SCIx_SCIFA_REGTYPE, 29 SCIx_SCIFB_REGTYPE, 30 SCIx_SH2_SCIF_FIFODATA_REGTYPE, 31 SCIx_SH3_SCIF_REGTYPE, 32 SCIx_SH4_SCIF_REGTYPE, 33 SCIx_SH4_SCIF_BRG_REGTYPE, 34 SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE, 35 SCIx_SH4_SCIF_FIFODATA_REGTYPE, 36 SCIx_SH7705_SCIF_REGTYPE, 37 SCIx_HSCIF_REGTYPE, 38 39 SCIx_NR_REGTYPES, 40 }; 41 42 struct plat_sci_port_ops { 43 void (*init_pins)(struct uart_port *, unsigned int cflag); 44 }; 45 46 /* 47 * Platform device specific platform_data struct 48 */ 49 struct plat_sci_port { 50 unsigned int type; /* SCI / SCIF / IRDA / HSCIF */ 51 upf_t flags; /* UPF_* flags */ 52 53 unsigned int sampling_rate; 54 unsigned int scscr; /* SCSCR initialization */ 55 56 /* 57 * Platform overrides if necessary, defaults otherwise. 58 */ 59 unsigned char regtype; 60 61 struct plat_sci_port_ops *ops; 62 }; 63 64 #endif /* __LINUX_SERIAL_SCI_H */ 65