diff options
Diffstat (limited to 'arch/blackfin/kernel/gptimers.c')
| -rw-r--r-- | arch/blackfin/kernel/gptimers.c | 85 |
1 files changed, 84 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c index 06459f4bf43..d776773d386 100644 --- a/arch/blackfin/kernel/gptimers.c +++ b/arch/blackfin/kernel/gptimers.c @@ -23,7 +23,11 @@ printk(KERN_DEBUG "%s:%s:%i: Assertion failed: " #expr "\n", __FILE__, __func__, __LINE__); #endif -#define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1) +#ifndef CONFIG_BF60x +# define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1) +#else +# define BFIN_TIMER_NUM_GROUP 1 +#endif static struct bfin_gptimer_regs * const timer_regs[MAX_BLACKFIN_GPTIMERS] = { @@ -158,6 +162,74 @@ uint32_t get_gptimer_count(unsigned int timer_id) } EXPORT_SYMBOL(get_gptimer_count); +#ifdef CONFIG_BF60x +void set_gptimer_delay(unsigned int timer_id, uint32_t delay) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + bfin_write(&timer_regs[timer_id]->delay, delay); + SSYNC(); +} +EXPORT_SYMBOL(set_gptimer_delay); + +uint32_t get_gptimer_delay(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return bfin_read(&timer_regs[timer_id]->delay); +} +EXPORT_SYMBOL(get_gptimer_delay); +#endif + +#ifdef CONFIG_BF60x +int get_gptimer_intr(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->data_ilat) & timil_mask[timer_id]); +} +EXPORT_SYMBOL(get_gptimer_intr); + +void clear_gptimer_intr(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->data_ilat, timil_mask[timer_id]); +} +EXPORT_SYMBOL(clear_gptimer_intr); + +int get_gptimer_over(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->stat_ilat) & tovf_mask[timer_id]); +} +EXPORT_SYMBOL(get_gptimer_over); + +void clear_gptimer_over(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->stat_ilat, tovf_mask[timer_id]); +} +EXPORT_SYMBOL(clear_gptimer_over); + +int get_gptimer_run(unsigned int timer_id) +{ + tassert(timer_id < MAX_BLACKFIN_GPTIMERS); + return !!(bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->run) & trun_mask[timer_id]); +} +EXPORT_SYMBOL(get_gptimer_run); + +uint32_t get_gptimer_status(unsigned int group) +{ + tassert(group < BFIN_TIMER_NUM_GROUP); + return bfin_read(&group_regs[group]->data_ilat); +} +EXPORT_SYMBOL(get_gptimer_status); + +void set_gptimer_status(unsigned int group, uint32_t value) +{ + tassert(group < BFIN_TIMER_NUM_GROUP); + bfin_write(&group_regs[group]->data_ilat, value); + SSYNC(); +} +EXPORT_SYMBOL(set_gptimer_status); +#else uint32_t get_gptimer_status(unsigned int group) { tassert(group < BFIN_TIMER_NUM_GROUP); @@ -212,6 +284,7 @@ int get_gptimer_run(unsigned int timer_id) return !!(read_gptimer_status(timer_id) & trun_mask[timer_id]); } EXPORT_SYMBOL(get_gptimer_run); +#endif void set_gptimer_config(unsigned int timer_id, uint16_t config) { @@ -231,6 +304,12 @@ EXPORT_SYMBOL(get_gptimer_config); void enable_gptimers(uint16_t mask) { int i; +#ifdef CONFIG_BF60x + uint16_t imask; + imask = bfin_read16(TIMER_DATA_IMSK); + imask &= ~mask; + bfin_write16(TIMER_DATA_IMSK, imask); +#endif tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0); for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) { bfin_write(&group_regs[i]->enable, mask & 0xFF); @@ -253,12 +332,16 @@ static void _disable_gptimers(uint16_t mask) void disable_gptimers(uint16_t mask) { +#ifndef CONFIG_BF60x int i; _disable_gptimers(mask); for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i) if (mask & (1 << i)) bfin_write(&group_regs[BFIN_TIMER_OCTET(i)]->status, trun_mask[i]); SSYNC(); +#else + _disable_gptimers(mask); +#endif } EXPORT_SYMBOL(disable_gptimers); |