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 * BF537/BF527: 8 timers:
20 #if defined(BF527_FAMILY) || 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(BF548_FAMILY)
29 # define MAX_BLACKFIN_GPTIMERS 8
31 # define MAX_BLACKFIN_GPTIMERS 11
32 # define TIMER8_GROUP_REG TIMER_ENABLE1
34 # define TIMER0_GROUP_REG TIMER_ENABLE0
39 #if defined(CONFIG_BF561)
40 # define MAX_BLACKFIN_GPTIMERS 12
41 # define TIMER0_GROUP_REG TMRS8_ENABLE
42 # define TIMER8_GROUP_REG TMRS4_ENABLE
45 * All others: 3 timers:
47 #if !defined(MAX_BLACKFIN_GPTIMERS)
48 # define MAX_BLACKFIN_GPTIMERS 3
49 # define TIMER0_GROUP_REG TIMER_ENABLE
52 #define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
53 #define BFIN_TIMER_OCTET(x) ((x) >> 3)
55 /* used in masks for timer_enable() and timer_disable() */
56 #define TIMER0bit 0x0001 /* 0001b */
57 #define TIMER1bit 0x0002 /* 0010b */
58 #define TIMER2bit 0x0004 /* 0100b */
59 #define TIMER3bit 0x0008
60 #define TIMER4bit 0x0010
61 #define TIMER5bit 0x0020
62 #define TIMER6bit 0x0040
63 #define TIMER7bit 0x0080
64 #define TIMER8bit 0x0100
65 #define TIMER9bit 0x0200
66 #define TIMER10bit 0x0400
67 #define TIMER11bit 0x0800
82 /* associated timers for ppi framesync: */
84 #if defined(CONFIG_BF561)
85 # define FS0_1_TIMER_ID TIMER8_id
86 # define FS0_2_TIMER_ID TIMER9_id
87 # define FS1_1_TIMER_ID TIMER10_id
88 # define FS1_2_TIMER_ID TIMER11_id
89 # define FS0_1_TIMER_BIT TIMER8bit
90 # define FS0_2_TIMER_BIT TIMER9bit
91 # define FS1_1_TIMER_BIT TIMER10bit
92 # define FS1_2_TIMER_BIT TIMER11bit
98 # define FS1_TIMER_ID TIMER0_id
99 # define FS2_TIMER_ID TIMER1_id
100 # define FS1_TIMER_BIT TIMER0bit
101 # define FS2_TIMER_BIT TIMER1bit
105 * Timer Configuration Register Bits
107 #define TIMER_ERR 0xC000
108 #define TIMER_ERR_OVFL 0x4000
109 #define TIMER_ERR_PROG_PER 0x8000
110 #define TIMER_ERR_PROG_PW 0xC000
111 #define TIMER_EMU_RUN 0x0200
112 #define TIMER_TOGGLE_HI 0x0100
113 #define TIMER_CLK_SEL 0x0080
114 #define TIMER_OUT_DIS 0x0040
115 #define TIMER_TIN_SEL 0x0020
116 #define TIMER_IRQ_ENA 0x0010
117 #define TIMER_PERIOD_CNT 0x0008
118 #define TIMER_PULSE_HI 0x0004
119 #define TIMER_MODE 0x0003
120 #define TIMER_MODE_PWM 0x0001
121 #define TIMER_MODE_WDTH 0x0002
122 #define TIMER_MODE_EXT_CLK 0x0003
125 * Timer Status Register Bits
127 #define TIMER_STATUS_TIMIL0 0x0001
128 #define TIMER_STATUS_TIMIL1 0x0002
129 #define TIMER_STATUS_TIMIL2 0x0004
130 #define TIMER_STATUS_TIMIL3 0x00000008
131 #define TIMER_STATUS_TIMIL4 0x00010000
132 #define TIMER_STATUS_TIMIL5 0x00020000
133 #define TIMER_STATUS_TIMIL6 0x00040000
134 #define TIMER_STATUS_TIMIL7 0x00080000
135 #define TIMER_STATUS_TIMIL8 0x0001
136 #define TIMER_STATUS_TIMIL9 0x0002
137 #define TIMER_STATUS_TIMIL10 0x0004
138 #define TIMER_STATUS_TIMIL11 0x0008
140 #define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
141 #define TIMER_STATUS_TOVF1 0x0020
142 #define TIMER_STATUS_TOVF2 0x0040
143 #define TIMER_STATUS_TOVF3 0x00000080
144 #define TIMER_STATUS_TOVF4 0x00100000
145 #define TIMER_STATUS_TOVF5 0x00200000
146 #define TIMER_STATUS_TOVF6 0x00400000
147 #define TIMER_STATUS_TOVF7 0x00800000
148 #define TIMER_STATUS_TOVF8 0x0010
149 #define TIMER_STATUS_TOVF9 0x0020
150 #define TIMER_STATUS_TOVF10 0x0040
151 #define TIMER_STATUS_TOVF11 0x0080
154 * Timer Slave Enable Status : write 1 to clear
156 #define TIMER_STATUS_TRUN0 0x1000
157 #define TIMER_STATUS_TRUN1 0x2000
158 #define TIMER_STATUS_TRUN2 0x4000
159 #define TIMER_STATUS_TRUN3 0x00008000
160 #define TIMER_STATUS_TRUN4 0x10000000
161 #define TIMER_STATUS_TRUN5 0x20000000
162 #define TIMER_STATUS_TRUN6 0x40000000
163 #define TIMER_STATUS_TRUN7 0x80000000
164 #define TIMER_STATUS_TRUN 0xF000F000
165 #define TIMER_STATUS_TRUN8 0x1000
166 #define TIMER_STATUS_TRUN9 0x2000
167 #define TIMER_STATUS_TRUN10 0x4000
168 #define TIMER_STATUS_TRUN11 0x8000
170 /* The actual gptimer API */
172 void set_gptimer_pwidth (int timer_id, uint32_t width);
173 uint32_t get_gptimer_pwidth (int timer_id);
174 void set_gptimer_period (int timer_id, uint32_t period);
175 uint32_t get_gptimer_period (int timer_id);
176 uint32_t get_gptimer_count (int timer_id);
177 uint16_t get_gptimer_intr (int timer_id);
178 void clear_gptimer_intr (int timer_id);
179 uint16_t get_gptimer_over (int timer_id);
180 void clear_gptimer_over (int timer_id);
181 void set_gptimer_config (int timer_id, uint16_t config);
182 uint16_t get_gptimer_config (int timer_id);
183 void set_gptimer_pulse_hi (int timer_id);
184 void clear_gptimer_pulse_hi(int timer_id);
185 void enable_gptimers (uint16_t mask);
186 void disable_gptimers (uint16_t mask);
187 uint16_t get_enabled_gptimers (void);
188 uint32_t get_gptimer_status (int group);
189 void set_gptimer_status (int group, uint32_t value);