/* * include/asm/bf5xx_timers.h * * This file contains the major Data structures and constants * used for General Purpose Timer Implementation in BF5xx * * Copyright (C) 2005 John DeHority * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de) * */ #ifndef _BLACKFIN_TIMERS_H_ #define _BLACKFIN_TIMERS_H_ #undef MAX_BLACKFIN_GPTIMERS /* * BF537: 8 timers: */ #if defined(BF527_FAMILY) || defined(BF537_FAMILY) # define MAX_BLACKFIN_GPTIMERS 8 # define TIMER0_GROUP_REG TIMER_ENABLE #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 #endif /* * All others: 3 timers: */ #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 */ #if (MAX_BLACKFIN_GPTIMERS > 3) # define TIMER3bit 0x0008 # define TIMER4bit 0x0010 # define TIMER5bit 0x0020 # define TIMER6bit 0x0040 # define TIMER7bit 0x0080 #endif #if (MAX_BLACKFIN_GPTIMERS > 8) # define TIMER8bit 0x0100 # define TIMER9bit 0x0200 # define TIMER10bit 0x0400 # define TIMER11bit 0x0800 #endif #define TIMER0_id 0 #define TIMER1_id 1 #define TIMER2_id 2 #if (MAX_BLACKFIN_GPTIMERS > 3) # define TIMER3_id 3 # define TIMER4_id 4 # define TIMER5_id 5 # define TIMER6_id 6 # define TIMER7_id 7 #endif #if (MAX_BLACKFIN_GPTIMERS > 8) # define TIMER8_id 8 # define TIMER9_id 9 # define TIMER10_id 10 # define TIMER11_id 11 #endif /* 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 #if (MAX_BLACKFIN_GPTIMERS > 3) # 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 # if (MAX_BLACKFIN_GPTIMERS > 8) # define TIMER_STATUS_TIMIL8 0x0001 # define TIMER_STATUS_TIMIL9 0x0002 # define TIMER_STATUS_TIMIL10 0x0004 # define TIMER_STATUS_TIMIL11 0x0008 # endif # define TIMER_STATUS_INTR 0x000F000F #else # define TIMER_STATUS_INTR 0x0007 /* any timer interrupt */ #endif #define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */ #define TIMER_STATUS_TOVF1 0x0020 #define TIMER_STATUS_TOVF2 0x0040 #if (MAX_BLACKFIN_GPTIMERS > 3) # 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 # if (MAX_BLACKFIN_GPTIMERS > 8) # define TIMER_STATUS_TOVF8 0x0010 # define TIMER_STATUS_TOVF9 0x0020 # define TIMER_STATUS_TOVF10 0x0040 # define TIMER_STATUS_TOVF11 0x0080 # endif # define TIMER_STATUS_OFLOW 0x00F000F0 #else # define TIMER_STATUS_OFLOW 0x0070 /* any timer overflow */ #endif /* ** Timer Slave Enable Status : write 1 to clear */ #define TIMER_STATUS_TRUN0 0x1000 #define TIMER_STATUS_TRUN1 0x2000 #define TIMER_STATUS_TRUN2 0x4000 #if (MAX_BLACKFIN_GPTIMERS > 3) # 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 # if (MAX_BLACKFIN_GPTIMERS > 8) # define TIMER_STATUS_TRUN8 0x1000 # define TIMER_STATUS_TRUN9 0x2000 # define TIMER_STATUS_TRUN10 0x4000 # define TIMER_STATUS_TRUN11 0x8000 # endif #else # define TIMER_STATUS_TRUN 0x7000 #endif /******************************************************************************* * GP_TIMER API's *******************************************************************************/ void set_gptimer_pwidth (int timer_id, int width); int get_gptimer_pwidth (int timer_id); void set_gptimer_period (int timer_id, int period); int get_gptimer_period (int timer_id); int get_gptimer_count (int timer_id); short get_gptimer_intr (int timer_id); void set_gptimer_config (int timer_id, short config); short get_gptimer_config (int timer_id); void set_gptimer_pulse_hi (int timer_id); void clear_gptimer_pulse_hi(int timer_id); void enable_gptimers (short mask); void disable_gptimers (short mask); short get_enabled_timers (void); int get_gptimer_status (int octet); void set_gptimer_status (int octet, int value); #endif