diff options
Diffstat (limited to 'bsps/sparc/include/bsp/grctm.h')
| -rw-r--r-- | bsps/sparc/include/bsp/grctm.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/bsps/sparc/include/bsp/grctm.h b/bsps/sparc/include/bsp/grctm.h new file mode 100644 index 0000000000..5ff81559aa --- /dev/null +++ b/bsps/sparc/include/bsp/grctm.h @@ -0,0 +1,171 @@ +/* GRCTM - CCSDS Time Manager - register driver interface. + * + * COPYRIGHT (c) 2009. + * Cobham Gaisler AB + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef __GRCTM_H__ +#define __GRCTM_H__ + +#define DAT0_IRQ 0x1 +#define DAT1_IRQ 0x2 +#define DAT2_IRQ 0x4 +#define PULSE0_IRQ 0x10 +#define PULSE1_IRQ 0x20 +#define PULSE2_IRQ 0x40 +#define PULSE3_IRQ 0x80 +#define PULSE4_IRQ 0x100 +#define PULSE5_IRQ 0x200 +#define PULSE6_IRQ 0x400 +#define PULSE7_IRQ 0x800 + +struct grctm_regs { + volatile unsigned int grr; + volatile unsigned int gcr; + volatile unsigned int gsr; + volatile unsigned int unused[2]; + volatile unsigned int pfr; + volatile unsigned int etcr; + volatile unsigned int etfr; + volatile unsigned int dcr0; + volatile unsigned int dfr0; + volatile unsigned int dcr1; + volatile unsigned int dfr1; + volatile unsigned int dcr2; + volatile unsigned int dfr2; + volatile unsigned int stcr; + volatile unsigned int stfr; + volatile unsigned int pdr[8]; + volatile unsigned int pimsr; + volatile unsigned int pimr; + volatile unsigned int pisr; + volatile unsigned int pir; + volatile unsigned int imr; + volatile unsigned int picr; + volatile unsigned int unused1[2]; + volatile unsigned int etir; + volatile unsigned int fsir; + volatile unsigned int serconf; + volatile unsigned int unused2; + volatile unsigned int twsc; + volatile unsigned int twadj; + volatile unsigned int twtx; + volatile unsigned int twrx; +}; + +struct grctm_stats { + + /* IRQ Stats */ + unsigned int nirqs; + unsigned int pulse; +}; + +/* Function ISR callback prototype */ +typedef void (*grctm_isr_t)(unsigned int pimr, void *data); + +/* Open a GRCTM device by minor number. */ +extern void *grctm_open(int minor); + +/* Close a previously opened GRCTM device */ +extern void grctm_close(void *spwcuc); + +/* Hardware Reset of GRCTM */ +extern int grctm_reset(void *grctm); + +/* Enable Interrupts at Interrupt controller */ +extern void grctm_int_enable(void *grctm); + +/* Disable Interrupts at Interrupt controller */ +extern void grctm_int_disable(void *grctm); + +/* Clear Statistics gathered by the driver */ +extern void grctm_clr_stats(void *grctm); + +/* Get Statistics gathered by the driver */ +extern void grctm_get_stats(void *grctm, struct grctm_stats *stats); + +/* Register an Interrupt handler and custom data, the function call is + * removed by setting func to NULL. + */ +extern void grctm_int_register(void *grctm, grctm_isr_t func, void *data); + +/* Enable external synchronisation (from spwcuc) */ +extern void grctm_enable_ext_sync(void *grctm); + +/* Disable external synchronisation (from spwcuc) */ +extern void grctm_disable_ext_sync(void *grctm); + +/* Enable TimeWire synchronisation */ +extern void grctm_enable_tw_sync(void *grctm); + +/* Disable TimeWire synchronisation */ +extern void grctm_disable_tw_sync(void *grctm); + +/* Disable frequency synthesizer from driving ET */ +extern void grctm_disable_fs(void *grctm); + +/* Enable frequency synthesizer to drive ET */ +extern void grctm_enable_fs(void *grctm); + +/* Return elapsed coarse time */ +extern unsigned int grctm_get_et_coarse(void *grctm); + +/* Return elapsed fine time */ +extern unsigned int grctm_get_et_fine(void *grctm); + +/* Return elapsed time (coarse and fine) */ +extern unsigned long long grctm_get_et(void *grctm); + +/* Return 1 if specified datation has been latched */ +extern int grctm_is_dat_latched(void *grctm, int dat); + +/* Set triggering edge of datation input */ +extern void grctm_set_dat_edge(void *grctm, int dat, int edge); + +/* Return latched datation coarse time */ +extern unsigned int grctm_get_dat_coarse(void *grctm, int dat); + +/* Return latched datation fine time */ +extern unsigned int grctm_get_dat_fine(void *grctm, int dat); + +/* Return latched datation ET */ +extern unsigned long long grctm_get_dat_et(void *grctm, int dat); + +/* Return current pulse configuration */ +extern unsigned int grctm_get_pulse_reg(void *grctm, int pulse); + +/* Set pulse register */ +extern void grctm_set_pulse_reg(void *grctm, int pulse, unsigned int val); + +/* Configure pulse: pp = period, pw = width, pl = level, en = enable */ +extern void grctm_cfg_pulse(void *grctm, int pulse, int pp, int pw, int pl, int en); + +/* Enable pulse output */ +extern void grctm_enable_pulse(void *grctm, int pulse); + +/* Disable pulse output */ +extern void grctm_disable_pulse(void *grctm, int pulse); + +/* Clear interrupts */ +extern void grctm_clear_irqs(void *grctm, int irqs); + +/* Enable interrupts */ +extern void grctm_enable_irqs(void *grctm, int irqs); + +/* Set Frequency synthesizer increment */ +void grctm_set_fs_incr(void *grctm, int incr); + +/* Set ET increment */ +void grctm_set_et_incr(void *grctm, int incr); + +/* Get register base address */ +struct grctm_regs *grctm_get_regs(void *grctm); + +/* Register the GRCTM driver to Driver Manager */ +extern void grctm_register(void); + +#endif |