fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-blackfin / bf5xx_timers.h
blob86c770321b61c5bcd0acb25e16f77eb16b818733
1 /*
2 * include/asm/bf5xx_timers.h
4 * This file contains the major Data structures and constants
5 * used for General Purpose Timer Implementation in BF5xx
7 * Copyright (C) 2005 John DeHority
8 * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
12 #ifndef _BLACKFIN_TIMERS_H_
13 #define _BLACKFIN_TIMERS_H_
15 #undef MAX_BLACKFIN_GPTIMERS
17 * BF537: 8 timers:
19 #if defined(CONFIG_BF537)
20 # define MAX_BLACKFIN_GPTIMERS 8
21 # define TIMER0_GROUP_REG TIMER_ENABLE
22 #endif
24 * BF561: 12 timers:
26 #if defined(CONFIG_BF561)
27 # define MAX_BLACKFIN_GPTIMERS 12
28 # define TIMER0_GROUP_REG TMRS8_ENABLE
29 # define TIMER8_GROUP_REG TMRS4_ENABLE
30 #endif
32 * All others: 3 timers:
34 #if !defined(MAX_BLACKFIN_GPTIMERS)
35 # define MAX_BLACKFIN_GPTIMERS 3
36 # define TIMER0_GROUP_REG TIMER_ENABLE
37 #endif
39 #define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
40 #define BFIN_TIMER_OCTET(x) ((x) >> 3)
42 /* used in masks for timer_enable() and timer_disable() */
43 #define TIMER0bit 0x0001 /* 0001b */
44 #define TIMER1bit 0x0002 /* 0010b */
45 #define TIMER2bit 0x0004 /* 0100b */
47 #if (MAX_BLACKFIN_GPTIMERS > 3)
48 # define TIMER3bit 0x0008
49 # define TIMER4bit 0x0010
50 # define TIMER5bit 0x0020
51 # define TIMER6bit 0x0040
52 # define TIMER7bit 0x0080
53 #endif
55 #if (MAX_BLACKFIN_GPTIMERS > 8)
56 # define TIMER8bit 0x0100
57 # define TIMER9bit 0x0200
58 # define TIMER10bit 0x0400
59 # define TIMER11bit 0x0800
60 #endif
62 #define TIMER0_id 0
63 #define TIMER1_id 1
64 #define TIMER2_id 2
66 #if (MAX_BLACKFIN_GPTIMERS > 3)
67 # define TIMER3_id 3
68 # define TIMER4_id 4
69 # define TIMER5_id 5
70 # define TIMER6_id 6
71 # define TIMER7_id 7
72 #endif
74 #if (MAX_BLACKFIN_GPTIMERS > 8)
75 # define TIMER8_id 8
76 # define TIMER9_id 9
77 # define TIMER10_id 10
78 # define TIMER11_id 11
79 #endif
81 /* associated timers for ppi framesync: */
83 #if defined(CONFIG_BF561)
84 # define FS0_1_TIMER_ID TIMER8_id
85 # define FS0_2_TIMER_ID TIMER9_id
86 # define FS1_1_TIMER_ID TIMER10_id
87 # define FS1_2_TIMER_ID TIMER11_id
88 # define FS0_1_TIMER_BIT TIMER8bit
89 # define FS0_2_TIMER_BIT TIMER9bit
90 # define FS1_1_TIMER_BIT TIMER10bit
91 # define FS1_2_TIMER_BIT TIMER11bit
92 # undef FS1_TIMER_ID
93 # undef FS2_TIMER_ID
94 # undef FS1_TIMER_BIT
95 # undef FS2_TIMER_BIT
96 #else
97 # define FS1_TIMER_ID TIMER0_id
98 # define FS2_TIMER_ID TIMER1_id
99 # define FS1_TIMER_BIT TIMER0bit
100 # define FS2_TIMER_BIT TIMER1bit
101 #endif
104 ** Timer Configuration Register Bits
106 #define TIMER_ERR 0xC000
107 #define TIMER_ERR_OVFL 0x4000
108 #define TIMER_ERR_PROG_PER 0x8000
109 #define TIMER_ERR_PROG_PW 0xC000
110 #define TIMER_EMU_RUN 0x0200
111 #define TIMER_TOGGLE_HI 0x0100
112 #define TIMER_CLK_SEL 0x0080
113 #define TIMER_OUT_DIS 0x0040
114 #define TIMER_TIN_SEL 0x0020
115 #define TIMER_IRQ_ENA 0x0010
116 #define TIMER_PERIOD_CNT 0x0008
117 #define TIMER_PULSE_HI 0x0004
118 #define TIMER_MODE 0x0003
119 #define TIMER_MODE_PWM 0x0001
120 #define TIMER_MODE_WDTH 0x0002
121 #define TIMER_MODE_EXT_CLK 0x0003
124 ** Timer Status Register Bits
126 #define TIMER_STATUS_TIMIL0 0x0001
127 #define TIMER_STATUS_TIMIL1 0x0002
128 #define TIMER_STATUS_TIMIL2 0x0004
129 #if (MAX_BLACKFIN_GPTIMERS > 3)
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 # if (MAX_BLACKFIN_GPTIMERS > 8)
136 # define TIMER_STATUS_TIMIL8 0x0001
137 # define TIMER_STATUS_TIMIL9 0x0002
138 # define TIMER_STATUS_TIMIL10 0x0004
139 # define TIMER_STATUS_TIMIL11 0x0008
140 # endif
141 # define TIMER_STATUS_INTR 0x000F000F
142 #else
143 # define TIMER_STATUS_INTR 0x0007 /* any timer interrupt */
144 #endif
146 #define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
147 #define TIMER_STATUS_TOVF1 0x0020
148 #define TIMER_STATUS_TOVF2 0x0040
149 #if (MAX_BLACKFIN_GPTIMERS > 3)
150 # define TIMER_STATUS_TOVF3 0x00000080
151 # define TIMER_STATUS_TOVF4 0x00100000
152 # define TIMER_STATUS_TOVF5 0x00200000
153 # define TIMER_STATUS_TOVF6 0x00400000
154 # define TIMER_STATUS_TOVF7 0x00800000
155 # if (MAX_BLACKFIN_GPTIMERS > 8)
156 # define TIMER_STATUS_TOVF8 0x0010
157 # define TIMER_STATUS_TOVF9 0x0020
158 # define TIMER_STATUS_TOVF10 0x0040
159 # define TIMER_STATUS_TOVF11 0x0080
160 # endif
161 # define TIMER_STATUS_OFLOW 0x00F000F0
162 #else
163 # define TIMER_STATUS_OFLOW 0x0070 /* any timer overflow */
164 #endif
167 ** Timer Slave Enable Status : write 1 to clear
169 #define TIMER_STATUS_TRUN0 0x1000
170 #define TIMER_STATUS_TRUN1 0x2000
171 #define TIMER_STATUS_TRUN2 0x4000
172 #if (MAX_BLACKFIN_GPTIMERS > 3)
173 # define TIMER_STATUS_TRUN3 0x00008000
174 # define TIMER_STATUS_TRUN4 0x10000000
175 # define TIMER_STATUS_TRUN5 0x20000000
176 # define TIMER_STATUS_TRUN6 0x40000000
177 # define TIMER_STATUS_TRUN7 0x80000000
178 # define TIMER_STATUS_TRUN 0xF000F000
179 # if (MAX_BLACKFIN_GPTIMERS > 8)
180 # define TIMER_STATUS_TRUN8 0x1000
181 # define TIMER_STATUS_TRUN9 0x2000
182 # define TIMER_STATUS_TRUN10 0x4000
183 # define TIMER_STATUS_TRUN11 0x8000
184 # endif
185 #else
186 # define TIMER_STATUS_TRUN 0x7000
187 #endif
189 /*******************************************************************************
190 * GP_TIMER API's
191 *******************************************************************************/
193 void set_gptimer_pwidth (int timer_id, int width);
194 int get_gptimer_pwidth (int timer_id);
195 void set_gptimer_period (int timer_id, int period);
196 int get_gptimer_period (int timer_id);
197 int get_gptimer_count (int timer_id);
198 short get_gptimer_intr (int timer_id);
199 void set_gptimer_config (int timer_id, short config);
200 short get_gptimer_config (int timer_id);
201 void set_gptimer_pulse_hi (int timer_id);
202 void clear_gptimer_pulse_hi(int timer_id);
203 void enable_gptimers (short mask);
204 void disable_gptimers (short mask);
205 short get_enabled_timers (void);
206 int get_gptimer_status (int octet);
207 void set_gptimer_status (int octet, int value);
209 #endif