diff options
author | David Vrabel <david.vrabel@csr.com> | 2008-11-19 09:48:07 -0500 |
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committer | David Vrabel <david.vrabel@csr.com> | 2008-11-19 09:48:07 -0500 |
commit | dba0a918722ee0f0ba3442575e4448c3ab622be4 (patch) | |
tree | fdb466cf09e7916135098d651b18924b2fe9ba5f /include/asm-cris/etraxgpio.h | |
parent | 0996e6382482ce9014787693d3884e9468153a5c (diff) | |
parent | 7f0f598a0069d1ab072375965a4b69137233169c (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'include/asm-cris/etraxgpio.h')
-rw-r--r-- | include/asm-cris/etraxgpio.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/include/asm-cris/etraxgpio.h b/include/asm-cris/etraxgpio.h deleted file mode 100644 index 38f1c8e1770c..000000000000 --- a/include/asm-cris/etraxgpio.h +++ /dev/null | |||
@@ -1,179 +0,0 @@ | |||
1 | /* | ||
2 | * The following devices are accessable using this driver using | ||
3 | * GPIO_MAJOR (120) and a couple of minor numbers. | ||
4 | * | ||
5 | * For ETRAX 100LX (CONFIG_ETRAX_ARCH_V10): | ||
6 | * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction | ||
7 | * /dev/gpiob minor 1, 8 bit GPIO, each bit can change direction | ||
8 | * /dev/leds minor 2, Access to leds depending on kernelconfig | ||
9 | * /dev/gpiog minor 3 | ||
10 | * g0dir, g8_15dir, g16_23dir, g24 dir configurable in R_GEN_CONFIG | ||
11 | * g1-g7 and g25-g31 is both input and outputs but on different pins | ||
12 | * Also note that some bits change pins depending on what interfaces | ||
13 | * are enabled. | ||
14 | * | ||
15 | * For ETRAX FS (CONFIG_ETRAXFS): | ||
16 | * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction | ||
17 | * /dev/gpiob minor 1, 18 bit GPIO, each bit can change direction | ||
18 | * /dev/gpioc minor 3, 18 bit GPIO, each bit can change direction | ||
19 | * /dev/gpiod minor 4, 18 bit GPIO, each bit can change direction | ||
20 | * /dev/gpioe minor 5, 18 bit GPIO, each bit can change direction | ||
21 | * /dev/leds minor 2, Access to leds depending on kernelconfig | ||
22 | * | ||
23 | * For ARTPEC-3 (CONFIG_CRIS_MACH_ARTPEC3): | ||
24 | * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction | ||
25 | * /dev/gpiob minor 1, 18 bit GPIO, each bit can change direction | ||
26 | * /dev/gpioc minor 3, 18 bit GPIO, each bit can change direction | ||
27 | * /dev/gpiod minor 4, 18 bit GPIO, each bit can change direction | ||
28 | * /dev/leds minor 2, Access to leds depending on kernelconfig | ||
29 | * /dev/pwm0 minor 16, PWM channel 0 on PA30 | ||
30 | * /dev/pwm1 minor 17, PWM channel 1 on PA31 | ||
31 | * /dev/pwm2 minor 18, PWM channel 2 on PB26 | ||
32 | * | ||
33 | */ | ||
34 | #ifndef _ASM_ETRAXGPIO_H | ||
35 | #define _ASM_ETRAXGPIO_H | ||
36 | |||
37 | /* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */ | ||
38 | #ifdef CONFIG_ETRAX_ARCH_V10 | ||
39 | #define ETRAXGPIO_IOCTYPE 43 | ||
40 | #define GPIO_MINOR_A 0 | ||
41 | #define GPIO_MINOR_B 1 | ||
42 | #define GPIO_MINOR_LEDS 2 | ||
43 | #define GPIO_MINOR_G 3 | ||
44 | #define GPIO_MINOR_LAST 3 | ||
45 | #endif | ||
46 | |||
47 | #ifdef CONFIG_ETRAXFS | ||
48 | #define ETRAXGPIO_IOCTYPE 43 | ||
49 | #define GPIO_MINOR_A 0 | ||
50 | #define GPIO_MINOR_B 1 | ||
51 | #define GPIO_MINOR_LEDS 2 | ||
52 | #define GPIO_MINOR_C 3 | ||
53 | #define GPIO_MINOR_D 4 | ||
54 | #define GPIO_MINOR_E 5 | ||
55 | #ifdef CONFIG_ETRAX_VIRTUAL_GPIO | ||
56 | #define GPIO_MINOR_V 6 | ||
57 | #define GPIO_MINOR_LAST 6 | ||
58 | #else | ||
59 | #define GPIO_MINOR_LAST 5 | ||
60 | #endif | ||
61 | #endif | ||
62 | |||
63 | #ifdef CONFIG_CRIS_MACH_ARTPEC3 | ||
64 | #define ETRAXGPIO_IOCTYPE 43 | ||
65 | #define GPIO_MINOR_A 0 | ||
66 | #define GPIO_MINOR_B 1 | ||
67 | #define GPIO_MINOR_LEDS 2 | ||
68 | #define GPIO_MINOR_C 3 | ||
69 | #define GPIO_MINOR_D 4 | ||
70 | #ifdef CONFIG_ETRAX_VIRTUAL_GPIO | ||
71 | #define GPIO_MINOR_V 6 | ||
72 | #define GPIO_MINOR_LAST 6 | ||
73 | #else | ||
74 | #define GPIO_MINOR_LAST 4 | ||
75 | #endif | ||
76 | #define GPIO_MINOR_PWM0 16 | ||
77 | #define GPIO_MINOR_PWM1 17 | ||
78 | #define GPIO_MINOR_PWM2 18 | ||
79 | #define GPIO_MINOR_LAST_PWM GPIO_MINOR_PWM2 | ||
80 | #endif | ||
81 | |||
82 | /* supported ioctl _IOC_NR's */ | ||
83 | |||
84 | #define IO_READBITS 0x1 /* read and return current port bits (obsolete) */ | ||
85 | #define IO_SETBITS 0x2 /* set the bits marked by 1 in the argument */ | ||
86 | #define IO_CLRBITS 0x3 /* clear the bits marked by 1 in the argument */ | ||
87 | |||
88 | /* the alarm is waited for by select() */ | ||
89 | |||
90 | #define IO_HIGHALARM 0x4 /* set alarm on high for bits marked by 1 */ | ||
91 | #define IO_LOWALARM 0x5 /* set alarm on low for bits marked by 1 */ | ||
92 | #define IO_CLRALARM 0x6 /* clear alarm for bits marked by 1 */ | ||
93 | |||
94 | /* LED ioctl */ | ||
95 | #define IO_LEDACTIVE_SET 0x7 /* set active led | ||
96 | * 0=off, 1=green, 2=red, 3=yellow */ | ||
97 | |||
98 | /* GPIO direction ioctl's */ | ||
99 | #define IO_READDIR 0x8 /* Read direction 0=input 1=output (obsolete) */ | ||
100 | #define IO_SETINPUT 0x9 /* Set direction for bits set, 0=unchanged 1=input, | ||
101 | returns mask with current inputs (obsolete) */ | ||
102 | #define IO_SETOUTPUT 0xA /* Set direction for bits set, 0=unchanged 1=output, | ||
103 | returns mask with current outputs (obsolete)*/ | ||
104 | |||
105 | /* LED ioctl extended */ | ||
106 | #define IO_LED_SETBIT 0xB | ||
107 | #define IO_LED_CLRBIT 0xC | ||
108 | |||
109 | /* SHUTDOWN ioctl */ | ||
110 | #define IO_SHUTDOWN 0xD | ||
111 | #define IO_GET_PWR_BT 0xE | ||
112 | |||
113 | /* Bit toggling in driver settings */ | ||
114 | /* bit set in low byte0 is CLK mask (0x00FF), | ||
115 | bit set in byte1 is DATA mask (0xFF00) | ||
116 | msb, data_mask[7:0] , clk_mask[7:0] | ||
117 | */ | ||
118 | #define IO_CFG_WRITE_MODE 0xF | ||
119 | #define IO_CFG_WRITE_MODE_VALUE(msb, data_mask, clk_mask) \ | ||
120 | ( (((msb)&1) << 16) | (((data_mask) &0xFF) << 8) | ((clk_mask) & 0xFF) ) | ||
121 | |||
122 | /* The following 4 ioctl's take a pointer as argument and handles | ||
123 | * 32 bit ports (port G) properly. | ||
124 | * These replaces IO_READBITS,IO_SETINPUT AND IO_SETOUTPUT | ||
125 | */ | ||
126 | #define IO_READ_INBITS 0x10 /* *arg is result of reading the input pins */ | ||
127 | #define IO_READ_OUTBITS 0x11 /* *arg is result of reading the output shadow */ | ||
128 | #define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input, | ||
129 | * *arg updated with current input pins. | ||
130 | */ | ||
131 | #define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, | ||
132 | * *arg updated with current output pins. | ||
133 | */ | ||
134 | |||
135 | /* The following ioctl's are applicable to the PWM channels only */ | ||
136 | |||
137 | #define IO_PWM_SET_MODE 0x20 | ||
138 | |||
139 | enum io_pwm_mode { | ||
140 | PWM_OFF = 0, /* disabled, deallocated */ | ||
141 | PWM_STANDARD = 1, /* 390 kHz, duty cycle 0..255/256 */ | ||
142 | PWM_FAST = 2, /* variable freq, w/ 10ns active pulse len */ | ||
143 | PWM_VARFREQ = 3 /* individually configurable high/low periods */ | ||
144 | }; | ||
145 | |||
146 | struct io_pwm_set_mode { | ||
147 | enum io_pwm_mode mode; | ||
148 | }; | ||
149 | |||
150 | /* Only for mode PWM_VARFREQ. Period lo/high set in increments of 10ns | ||
151 | * from 10ns (value = 0) to 81920ns (value = 8191) | ||
152 | * (Resulting frequencies range from 50 MHz (10ns + 10ns) down to | ||
153 | * 6.1 kHz (81920ns + 81920ns) at 50% duty cycle, to 12.2 kHz at min/max duty | ||
154 | * cycle (81920 + 10ns or 10ns + 81920ns, respectively).) | ||
155 | */ | ||
156 | #define IO_PWM_SET_PERIOD 0x21 | ||
157 | |||
158 | struct io_pwm_set_period { | ||
159 | unsigned int lo; /* 0..8191 */ | ||
160 | unsigned int hi; /* 0..8191 */ | ||
161 | }; | ||
162 | |||
163 | /* Only for modes PWM_STANDARD and PWM_FAST. | ||
164 | * For PWM_STANDARD, set duty cycle of 390 kHz PWM output signal, from | ||
165 | * 0 (value = 0) to 255/256 (value = 255). | ||
166 | * For PWM_FAST, set duty cycle of PWM output signal from | ||
167 | * 0% (value = 0) to 100% (value = 255). Output signal in this mode | ||
168 | * is a 10ns pulse surrounded by a high or low level depending on duty | ||
169 | * cycle (except for 0% and 100% which result in a constant output). | ||
170 | * Resulting output frequency varies from 50 MHz at 50% duty cycle, | ||
171 | * down to 390 kHz at min/max duty cycle. | ||
172 | */ | ||
173 | #define IO_PWM_SET_DUTY 0x22 | ||
174 | |||
175 | struct io_pwm_set_duty { | ||
176 | int duty; /* 0..255 */ | ||
177 | }; | ||
178 | |||
179 | #endif | ||