2 * gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes
4 * Copyright (c) 2005-2008 Analog Devices Inc.
5 * Copyright (C) 2005 John DeHority
6 * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
8 * Licensed under the GPL-2.
11 #ifndef _BLACKFIN_TIMERS_H_
12 #define _BLACKFIN_TIMERS_H_
14 #include <linux/types.h>
15 #include <asm/blackfin.h>
18 * BF51x/BF52x/BF537: 8 timers:
20 #if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || defined(BF537_FAMILY)
21 # define MAX_BLACKFIN_GPTIMERS 8
22 # define TIMER0_GROUP_REG TIMER_ENABLE
25 * BF54x: 11 timers (BF542: 8 timers):
27 #if defined(CONFIG_BF54x)
29 # define MAX_BLACKFIN_GPTIMERS 8
31 # define MAX_BLACKFIN_GPTIMERS 11
32 # define TIMER8_GROUP_REG TIMER_ENABLE1
33 # define TIMER_GROUP2 1
35 # define TIMER0_GROUP_REG TIMER_ENABLE0
40 #if defined(CONFIG_BF561)
41 # define MAX_BLACKFIN_GPTIMERS 12
42 # define TIMER0_GROUP_REG TMRS8_ENABLE
43 # define TIMER8_GROUP_REG TMRS4_ENABLE
44 # define TIMER_GROUP2 1
47 * All others: 3 timers:
49 #define TIMER_GROUP1 0
50 #if !defined(MAX_BLACKFIN_GPTIMERS)
51 # define MAX_BLACKFIN_GPTIMERS 3
52 # define TIMER0_GROUP_REG TIMER_ENABLE
55 #define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
56 #define BFIN_TIMER_OCTET(x) ((x) >> 3)
58 /* used in masks for timer_enable() and timer_disable() */
59 #define TIMER0bit 0x0001 /* 0001b */
60 #define TIMER1bit 0x0002 /* 0010b */
61 #define TIMER2bit 0x0004 /* 0100b */
62 #define TIMER3bit 0x0008
63 #define TIMER4bit 0x0010
64 #define TIMER5bit 0x0020
65 #define TIMER6bit 0x0040
66 #define TIMER7bit 0x0080
67 #define TIMER8bit 0x0100
68 #define TIMER9bit 0x0200
69 #define TIMER10bit 0x0400
70 #define TIMER11bit 0x0800
85 /* associated timers for ppi framesync: */
87 #if defined(CONFIG_BF561)
88 # define FS0_1_TIMER_ID TIMER8_id
89 # define FS0_2_TIMER_ID TIMER9_id
90 # define FS1_1_TIMER_ID TIMER10_id
91 # define FS1_2_TIMER_ID TIMER11_id
92 # define FS0_1_TIMER_BIT TIMER8bit
93 # define FS0_2_TIMER_BIT TIMER9bit
94 # define FS1_1_TIMER_BIT TIMER10bit
95 # define FS1_2_TIMER_BIT TIMER11bit
101 # define FS1_TIMER_ID TIMER0_id
102 # define FS2_TIMER_ID TIMER1_id
103 # define FS1_TIMER_BIT TIMER0bit
104 # define FS2_TIMER_BIT TIMER1bit
108 * Timer Configuration Register Bits
110 #define TIMER_ERR 0xC000
111 #define TIMER_ERR_OVFL 0x4000
112 #define TIMER_ERR_PROG_PER 0x8000
113 #define TIMER_ERR_PROG_PW 0xC000
114 #define TIMER_EMU_RUN 0x0200
115 #define TIMER_TOGGLE_HI 0x0100
116 #define TIMER_CLK_SEL 0x0080
117 #define TIMER_OUT_DIS 0x0040
118 #define TIMER_TIN_SEL 0x0020
119 #define TIMER_IRQ_ENA 0x0010
120 #define TIMER_PERIOD_CNT 0x0008
121 #define TIMER_PULSE_HI 0x0004
122 #define TIMER_MODE 0x0003
123 #define TIMER_MODE_PWM 0x0001
124 #define TIMER_MODE_WDTH 0x0002
125 #define TIMER_MODE_EXT_CLK 0x0003
128 * Timer Status Register Bits
130 #define TIMER_STATUS_TIMIL0 0x0001
131 #define TIMER_STATUS_TIMIL1 0x0002
132 #define TIMER_STATUS_TIMIL2 0x0004
133 #define TIMER_STATUS_TIMIL3 0x00000008
134 #define TIMER_STATUS_TIMIL4 0x00010000
135 #define TIMER_STATUS_TIMIL5 0x00020000
136 #define TIMER_STATUS_TIMIL6 0x00040000
137 #define TIMER_STATUS_TIMIL7 0x00080000
138 #define TIMER_STATUS_TIMIL8 0x0001
139 #define TIMER_STATUS_TIMIL9 0x0002
140 #define TIMER_STATUS_TIMIL10 0x0004
141 #define TIMER_STATUS_TIMIL11 0x0008
143 #define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
144 #define TIMER_STATUS_TOVF1 0x0020
145 #define TIMER_STATUS_TOVF2 0x0040
146 #define TIMER_STATUS_TOVF3 0x00000080
147 #define TIMER_STATUS_TOVF4 0x00100000
148 #define TIMER_STATUS_TOVF5 0x00200000
149 #define TIMER_STATUS_TOVF6 0x00400000
150 #define TIMER_STATUS_TOVF7 0x00800000
151 #define TIMER_STATUS_TOVF8 0x0010
152 #define TIMER_STATUS_TOVF9 0x0020
153 #define TIMER_STATUS_TOVF10 0x0040
154 #define TIMER_STATUS_TOVF11 0x0080
157 * Timer Slave Enable Status : write 1 to clear
159 #define TIMER_STATUS_TRUN0 0x1000
160 #define TIMER_STATUS_TRUN1 0x2000
161 #define TIMER_STATUS_TRUN2 0x4000
162 #define TIMER_STATUS_TRUN3 0x00008000
163 #define TIMER_STATUS_TRUN4 0x10000000
164 #define TIMER_STATUS_TRUN5 0x20000000
165 #define TIMER_STATUS_TRUN6 0x40000000
166 #define TIMER_STATUS_TRUN7 0x80000000
167 #define TIMER_STATUS_TRUN 0xF000F000
168 #define TIMER_STATUS_TRUN8 0x1000
169 #define TIMER_STATUS_TRUN9 0x2000
170 #define TIMER_STATUS_TRUN10 0x4000
171 #define TIMER_STATUS_TRUN11 0x8000
173 /* The actual gptimer API */
175 void set_gptimer_pwidth(unsigned int timer_id
, uint32_t width
);
176 uint32_t get_gptimer_pwidth(unsigned int timer_id
);
177 void set_gptimer_period(unsigned int timer_id
, uint32_t period
);
178 uint32_t get_gptimer_period(unsigned int timer_id
);
179 uint32_t get_gptimer_count(unsigned int timer_id
);
180 int get_gptimer_intr(unsigned int timer_id
);
181 void clear_gptimer_intr(unsigned int timer_id
);
182 int get_gptimer_over(unsigned int timer_id
);
183 void clear_gptimer_over(unsigned int timer_id
);
184 void set_gptimer_config(unsigned int timer_id
, uint16_t config
);
185 uint16_t get_gptimer_config(unsigned int timer_id
);
186 int get_gptimer_run(unsigned int timer_id
);
187 void set_gptimer_pulse_hi(unsigned int timer_id
);
188 void clear_gptimer_pulse_hi(unsigned int timer_id
);
189 void enable_gptimers(uint16_t mask
);
190 void disable_gptimers(uint16_t mask
);
191 void disable_gptimers_sync(uint16_t mask
);
192 uint16_t get_enabled_gptimers(void);
193 uint32_t get_gptimer_status(unsigned int group
);
194 void set_gptimer_status(unsigned int group
, uint32_t value
);