/* * gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes * * Copyright (c) 2005-2008 Analog Devices Inc. * Copyright (C) 2005 John DeHority * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de) * * Licensed under the GPL-2. */ #ifndef _BLACKFIN_TIMERS_H_ #define _BLACKFIN_TIMERS_H_ #include #include /* * BF51x/BF52x/BF537: 8 timers: */ #if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || defined(BF537_FAMILY) # define MAX_BLACKFIN_GPTIMERS 8 # define TIMER0_GROUP_REG TIMER_ENABLE #endif /* * BF54x: 11 timers (BF542: 8 timers): */ #if defined(CONFIG_BF54x) # ifdef CONFIG_BF542 # define MAX_BLACKFIN_GPTIMERS 8 # else # define MAX_BLACKFIN_GPTIMERS 11 # define TIMER8_GROUP_REG TIMER_ENABLE1 # define TIMER_GROUP2 1 # endif # define TIMER0_GROUP_REG TIMER_ENABLE0 #endif /* * BF561: 12 timers: */ #if defined(CONFIG_BF561) # define MAX_BLACKFIN_GPTIMERS 12 # define TIMER0_GROUP_REG TMRS8_ENABLE # define TIMER8_GROUP_REG TMRS4_ENABLE # define TIMER_GROUP2 1 #endif /* * All others: 3 timers: */ #define TIMER_GROUP1 0 #if !defined(MAX_BLACKFIN_GPTIMERS) # define MAX_BLACKFIN_GPTIMERS 3 # define TIMER0_GROUP_REG TIMER_ENABLE #endif #define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1) #define BFIN_TIMER_OCTET(x) ((x) >> 3) /* used in masks for timer_enable() and timer_disable() */ #define TIMER0bit 0x0001 /* 0001b */ #define TIMER1bit 0x0002 /* 0010b */ #define TIMER2bit 0x0004 /* 0100b */ #define TIMER3bit 0x0008 #define TIMER4bit 0x0010 #define TIMER5bit 0x0020 #define TIMER6bit 0x0040 #define TIMER7bit 0x0080 #define TIMER8bit 0x0100 #define TIMER9bit 0x0200 #define TIMER10bit 0x0400 #define TIMER11bit 0x0800 #define TIMER0_id 0 #define TIMER1_id 1 #define TIMER2_id 2 #define TIMER3_id 3 #define TIMER4_id 4 #define TIMER5_id 5 #define TIMER6_id 6 #define TIMER7_id 7 #define TIMER8_id 8 #define TIMER9_id 9 #define TIMER10_id 10 #define TIMER11_id 11 /* associated timers for ppi framesync: */ #if defined(CONFIG_BF561) # define FS0_1_TIMER_ID TIMER8_id # define FS0_2_TIMER_ID TIMER9_id # define FS1_1_TIMER_ID TIMER10_id # define FS1_2_TIMER_ID TIMER11_id # define FS0_1_TIMER_BIT TIMER8bit # define FS0_2_TIMER_BIT TIMER9bit # define FS1_1_TIMER_BIT TIMER10bit # define FS1_2_TIMER_BIT TIMER11bit # undef FS1_TIMER_ID # undef FS2_TIMER_ID # undef FS1_TIMER_BIT # undef FS2_TIMER_BIT #else # define FS1_TIMER_ID TIMER0_id # define FS2_TIMER_ID TIMER1_id # define FS1_TIMER_BIT TIMER0bit # define FS2_TIMER_BIT TIMER1bit #endif /* * Timer Configuration Register Bits */ #define TIMER_ERR 0xC000 #define TIMER_ERR_OVFL 0x4000 #define TIMER_ERR_PROG_PER 0x8000 #define TIMER_ERR_PROG_PW 0xC000 #define TIMER_EMU_RUN 0x0200 #define TIMER_TOGGLE_HI 0x0100 #define TIMER_CLK_SEL 0x0080 #define TIMER_OUT_DIS 0x0040 #define TIMER_TIN_SEL 0x0020 #define TIMER_IRQ_ENA 0x0010 #define TIMER_PERIOD_CNT 0x0008 #define TIMER_PULSE_HI 0x0004 #define TIMER_MODE 0x0003 #define TIMER_MODE_PWM 0x0001 #define TIMER_MODE_WDTH 0x0002 #define TIMER_MODE_EXT_CLK 0x0003 /* * Timer Status Register Bits */ #define TIMER_STATUS_TIMIL0 0x0001 #define TIMER_STATUS_TIMIL1 0x0002 #define TIMER_STATUS_TIMIL2 0x0004 #define TIMER_STATUS_TIMIL3 0x00000008 #define TIMER_STATUS_TIMIL4 0x00010000 #define TIMER_STATUS_TIMIL5 0x00020000 #define TIMER_STATUS_TIMIL6 0x00040000 #define TIMER_STATUS_TIMIL7 0x00080000 #define TIMER_STATUS_TIMIL8 0x0001 #define TIMER_STATUS_TIMIL9 0x0002 #define TIMER_STATUS_TIMIL10 0x0004 #define TIMER_STATUS_TIMIL11 0x0008 #define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */ #define TIMER_STATUS_TOVF1 0x0020 #define TIMER_STATUS_TOVF2 0x0040 #define TIMER_STATUS_TOVF3 0x00000080 #define TIMER_STATUS_TOVF4 0x00100000 #define TIMER_STATUS_TOVF5 0x00200000 #define TIMER_STATUS_TOVF6 0x00400000 #define TIMER_STATUS_TOVF7 0x00800000 #define TIMER_STATUS_TOVF8 0x0010 #define TIMER_STATUS_TOVF9 0x0020 #define TIMER_STATUS_TOVF10 0x0040 #define TIMER_STATUS_TOVF11 0x0080 /* * Timer Slave Enable Status : write 1 to clear */ #define TIMER_STATUS_TRUN0 0x1000 #define TIMER_STATUS_TRUN1 0x2000 #define TIMER_STATUS_TRUN2 0x4000 #define TIMER_STATUS_TRUN3 0x00008000 #define TIMER_STATUS_TRUN4 0x10000000 #define TIMER_STATUS_TRUN5 0x20000000 #define TIMER_STATUS_TRUN6 0x40000000 #define TIMER_STATUS_TRUN7 0x80000000 #define TIMER_STATUS_TRUN 0xF000F000 #define TIMER_STATUS_TRUN8 0x1000 #define TIMER_STATUS_TRUN9 0x2000 #define TIMER_STATUS_TRUN10 0x4000 #define TIMER_STATUS_TRUN11 0x8000 /* The actual gptimer API */ void set_gptimer_pwidth(int timer_id, uint32_t width); uint32_t get_gptimer_pwidth(int timer_id); void set_gptimer_period(int timer_id, uint32_t period); uint32_t get_gptimer_period(int timer_id); uint32_t get_gptimer_count(int timer_id); int get_gptimer_intr(int timer_id); void clear_gptimer_intr(int timer_id); int get_gptimer_over(int timer_id); void clear_gptimer_over(int timer_id); void set_gptimer_config(int timer_id, uint16_t config); uint16_t get_gptimer_config(int timer_id); int get_gptimer_run(int timer_id); void set_gptimer_pulse_hi(int timer_id); void clear_gptimer_pulse_hi(int timer_id); void enable_gptimers(uint16_t mask); void disable_gptimers(uint16_t mask); void disable_gptimers_sync(uint16_t mask); uint16_t get_enabled_gptimers(void); uint32_t get_gptimer_status(int group); void set_gptimer_status(int group, uint32_t value); #endif