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authorDavid S. Miller <davem@davemloft.net>2008-09-16 17:11:43 -0400
committerDavid S. Miller <davem@davemloft.net>2008-09-16 17:11:43 -0400
commit2e57572a50a4de41c6cbc879a4866a312d4cd316 (patch)
treec4f58ec96c06642c4b415b881d3f0a3b673d5b44 /arch/blackfin/include/asm/gptimers.h
parent9b2e43ae4e9609f80034dfe8de895045cac52d77 (diff)
parentf948cc6ab9e61a8e88d70ee9aafc690e6d26f92c (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts: arch/sparc64/kernel/pci_psycho.c
Diffstat (limited to 'arch/blackfin/include/asm/gptimers.h')
-rw-r--r--arch/blackfin/include/asm/gptimers.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/gptimers.h b/arch/blackfin/include/asm/gptimers.h
new file mode 100644
index 000000000000..0520d2aac8f3
--- /dev/null
+++ b/arch/blackfin/include/asm/gptimers.h
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1/*
2 * gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes
3 *
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)
7 *
8 * Licensed under the GPL-2.
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 * BF54x: 11 timers (BF542: 8 timers):
26 */
27#if defined(BF548_FAMILY)
28# ifdef CONFIG_BF542
29# define MAX_BLACKFIN_GPTIMERS 8
30# else
31# define MAX_BLACKFIN_GPTIMERS 11
32# define TIMER8_GROUP_REG TIMER_ENABLE1
33# endif
34# define TIMER0_GROUP_REG TIMER_ENABLE0
35#endif
36/*
37 * BF561: 12 timers:
38 */
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
43#endif
44/*
45 * All others: 3 timers:
46 */
47#if !defined(MAX_BLACKFIN_GPTIMERS)
48# define MAX_BLACKFIN_GPTIMERS 3
49# define TIMER0_GROUP_REG TIMER_ENABLE
50#endif
51
52#define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
53#define BFIN_TIMER_OCTET(x) ((x) >> 3)
54
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
68
69#define TIMER0_id 0
70#define TIMER1_id 1
71#define TIMER2_id 2
72#define TIMER3_id 3
73#define TIMER4_id 4
74#define TIMER5_id 5
75#define TIMER6_id 6
76#define TIMER7_id 7
77#define TIMER8_id 8
78#define TIMER9_id 9
79#define TIMER10_id 10
80#define TIMER11_id 11
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#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
139
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
152
153/*
154 * Timer Slave Enable Status : write 1 to clear
155 */
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
169
170/* The actual gptimer API */
171
172void set_gptimer_pwidth (int timer_id, uint32_t width);
173uint32_t get_gptimer_pwidth (int timer_id);
174void set_gptimer_period (int timer_id, uint32_t period);
175uint32_t get_gptimer_period (int timer_id);
176uint32_t get_gptimer_count (int timer_id);
177uint16_t get_gptimer_intr (int timer_id);
178void clear_gptimer_intr (int timer_id);
179uint16_t get_gptimer_over (int timer_id);
180void clear_gptimer_over (int timer_id);
181void set_gptimer_config (int timer_id, uint16_t config);
182uint16_t get_gptimer_config (int timer_id);
183void set_gptimer_pulse_hi (int timer_id);
184void clear_gptimer_pulse_hi(int timer_id);
185void enable_gptimers (uint16_t mask);
186void disable_gptimers (uint16_t mask);
187uint16_t get_enabled_gptimers (void);
188uint32_t get_gptimer_status (int group);
189void set_gptimer_status (int group, uint32_t value);
190
191#endif