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Commit | Line | Data |
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780431e3 | 1 | /* |
fee40119 | 2 | * gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes |
780431e3 | 3 | * |
fee40119 | 4 | * Copyright (c) 2005-2008 Analog Devices Inc. |
780431e3 MF |
5 | * Copyright (C) 2005 John DeHority |
6 | * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de) | |
7 | * | |
fee40119 | 8 | * Licensed under the GPL-2. |
780431e3 MF |
9 | */ |
10 | ||
11 | #ifndef _BLACKFIN_TIMERS_H_ | |
12 | #define _BLACKFIN_TIMERS_H_ | |
13 | ||
14 | #include <linux/types.h> | |
15 | #include <asm/blackfin.h> | |
16 | ||
17 | /* | |
18 | * BF537/BF527: 8 timers: | |
19 | */ | |
20 | #if defined(BF527_FAMILY) || defined(BF537_FAMILY) | |
21 | # define MAX_BLACKFIN_GPTIMERS 8 | |
22 | # define TIMER0_GROUP_REG TIMER_ENABLE | |
23 | #endif | |
24 | /* | |
25 | * BF561: 12 timers: | |
26 | */ | |
27 | #if defined(CONFIG_BF561) | |
28 | # define MAX_BLACKFIN_GPTIMERS 12 | |
29 | # define TIMER0_GROUP_REG TMRS8_ENABLE | |
30 | # define TIMER8_GROUP_REG TMRS4_ENABLE | |
31 | #endif | |
32 | /* | |
33 | * All others: 3 timers: | |
34 | */ | |
35 | #if !defined(MAX_BLACKFIN_GPTIMERS) | |
36 | # define MAX_BLACKFIN_GPTIMERS 3 | |
37 | # define TIMER0_GROUP_REG TIMER_ENABLE | |
38 | #endif | |
39 | ||
40 | #define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1) | |
41 | #define BFIN_TIMER_OCTET(x) ((x) >> 3) | |
42 | ||
43 | /* used in masks for timer_enable() and timer_disable() */ | |
44 | #define TIMER0bit 0x0001 /* 0001b */ | |
45 | #define TIMER1bit 0x0002 /* 0010b */ | |
46 | #define TIMER2bit 0x0004 /* 0100b */ | |
47 | ||
48 | #if (MAX_BLACKFIN_GPTIMERS > 3) | |
49 | # define TIMER3bit 0x0008 | |
50 | # define TIMER4bit 0x0010 | |
51 | # define TIMER5bit 0x0020 | |
52 | # define TIMER6bit 0x0040 | |
53 | # define TIMER7bit 0x0080 | |
54 | #endif | |
55 | ||
56 | #if (MAX_BLACKFIN_GPTIMERS > 8) | |
57 | # define TIMER8bit 0x0100 | |
58 | # define TIMER9bit 0x0200 | |
59 | # define TIMER10bit 0x0400 | |
60 | # define TIMER11bit 0x0800 | |
61 | #endif | |
62 | ||
63 | #define TIMER0_id 0 | |
64 | #define TIMER1_id 1 | |
65 | #define TIMER2_id 2 | |
66 | ||
67 | #if (MAX_BLACKFIN_GPTIMERS > 3) | |
68 | # define TIMER3_id 3 | |
69 | # define TIMER4_id 4 | |
70 | # define TIMER5_id 5 | |
71 | # define TIMER6_id 6 | |
72 | # define TIMER7_id 7 | |
73 | #endif | |
74 | ||
75 | #if (MAX_BLACKFIN_GPTIMERS > 8) | |
76 | # define TIMER8_id 8 | |
77 | # define TIMER9_id 9 | |
78 | # define TIMER10_id 10 | |
79 | # define TIMER11_id 11 | |
80 | #endif | |
81 | ||
82 | /* associated timers for ppi framesync: */ | |
83 | ||
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 | |
93 | # undef FS1_TIMER_ID | |
94 | # undef FS2_TIMER_ID | |
95 | # undef FS1_TIMER_BIT | |
96 | # undef FS2_TIMER_BIT | |
97 | #else | |
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 | |
102 | #endif | |
103 | ||
104 | /* | |
105 | * Timer Configuration Register Bits | |
106 | */ | |
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 | |
123 | ||
124 | /* | |
125 | * Timer Status Register Bits | |
126 | */ | |
127 | #define TIMER_STATUS_TIMIL0 0x0001 | |
128 | #define TIMER_STATUS_TIMIL1 0x0002 | |
129 | #define TIMER_STATUS_TIMIL2 0x0004 | |
130 | #if (MAX_BLACKFIN_GPTIMERS > 3) | |
131 | # define TIMER_STATUS_TIMIL3 0x00000008 | |
132 | # define TIMER_STATUS_TIMIL4 0x00010000 | |
133 | # define TIMER_STATUS_TIMIL5 0x00020000 | |
134 | # define TIMER_STATUS_TIMIL6 0x00040000 | |
135 | # define TIMER_STATUS_TIMIL7 0x00080000 | |
136 | # if (MAX_BLACKFIN_GPTIMERS > 8) | |
137 | # define TIMER_STATUS_TIMIL8 0x0001 | |
138 | # define TIMER_STATUS_TIMIL9 0x0002 | |
139 | # define TIMER_STATUS_TIMIL10 0x0004 | |
140 | # define TIMER_STATUS_TIMIL11 0x0008 | |
141 | # endif | |
142 | # define TIMER_STATUS_INTR 0x000F000F | |
143 | #else | |
144 | # define TIMER_STATUS_INTR 0x0007 /* any timer interrupt */ | |
145 | #endif | |
146 | ||
147 | #define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */ | |
148 | #define TIMER_STATUS_TOVF1 0x0020 | |
149 | #define TIMER_STATUS_TOVF2 0x0040 | |
150 | #if (MAX_BLACKFIN_GPTIMERS > 3) | |
151 | # define TIMER_STATUS_TOVF3 0x00000080 | |
152 | # define TIMER_STATUS_TOVF4 0x00100000 | |
153 | # define TIMER_STATUS_TOVF5 0x00200000 | |
154 | # define TIMER_STATUS_TOVF6 0x00400000 | |
155 | # define TIMER_STATUS_TOVF7 0x00800000 | |
156 | # if (MAX_BLACKFIN_GPTIMERS > 8) | |
157 | # define TIMER_STATUS_TOVF8 0x0010 | |
158 | # define TIMER_STATUS_TOVF9 0x0020 | |
159 | # define TIMER_STATUS_TOVF10 0x0040 | |
160 | # define TIMER_STATUS_TOVF11 0x0080 | |
161 | # endif | |
162 | # define TIMER_STATUS_OFLOW 0x00F000F0 | |
163 | #else | |
164 | # define TIMER_STATUS_OFLOW 0x0070 /* any timer overflow */ | |
165 | #endif | |
166 | ||
167 | /* | |
168 | * Timer Slave Enable Status : write 1 to clear | |
169 | */ | |
170 | #define TIMER_STATUS_TRUN0 0x1000 | |
171 | #define TIMER_STATUS_TRUN1 0x2000 | |
172 | #define TIMER_STATUS_TRUN2 0x4000 | |
173 | #if (MAX_BLACKFIN_GPTIMERS > 3) | |
174 | # define TIMER_STATUS_TRUN3 0x00008000 | |
175 | # define TIMER_STATUS_TRUN4 0x10000000 | |
176 | # define TIMER_STATUS_TRUN5 0x20000000 | |
177 | # define TIMER_STATUS_TRUN6 0x40000000 | |
178 | # define TIMER_STATUS_TRUN7 0x80000000 | |
179 | # define TIMER_STATUS_TRUN 0xF000F000 | |
180 | # if (MAX_BLACKFIN_GPTIMERS > 8) | |
181 | # define TIMER_STATUS_TRUN8 0x1000 | |
182 | # define TIMER_STATUS_TRUN9 0x2000 | |
183 | # define TIMER_STATUS_TRUN10 0x4000 | |
184 | # define TIMER_STATUS_TRUN11 0x8000 | |
185 | # endif | |
186 | #else | |
187 | # define TIMER_STATUS_TRUN 0x7000 | |
188 | #endif | |
189 | ||
190 | /* The actual gptimer API */ | |
191 | ||
192 | void set_gptimer_pwidth (int timer_id, uint32_t width); | |
193 | uint32_t get_gptimer_pwidth (int timer_id); | |
194 | void set_gptimer_period (int timer_id, uint32_t period); | |
195 | uint32_t get_gptimer_period (int timer_id); | |
196 | uint32_t get_gptimer_count (int timer_id); | |
197 | uint16_t get_gptimer_intr (int timer_id); | |
198 | void clear_gptimer_intr (int timer_id); | |
4ad1ec71 MF |
199 | uint16_t get_gptimer_over (int timer_id); |
200 | void clear_gptimer_over (int timer_id); | |
780431e3 MF |
201 | void set_gptimer_config (int timer_id, uint16_t config); |
202 | uint16_t get_gptimer_config (int timer_id); | |
203 | void set_gptimer_pulse_hi (int timer_id); | |
204 | void clear_gptimer_pulse_hi(int timer_id); | |
205 | void enable_gptimers (uint16_t mask); | |
206 | void disable_gptimers (uint16_t mask); | |
207 | uint16_t get_enabled_gptimers (void); | |
208 | uint32_t get_gptimer_status (int group); | |
209 | void set_gptimer_status (int group, uint32_t value); | |
210 | ||
211 | #endif |