Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* include/linux/sm501.h
2 *
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * Vincent Sanders <vince@simtec.co.uk>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19*/
20
21extern int sm501_unit_power(struct device *dev,
22 unsigned int unit, unsigned int to);
23
24extern unsigned long sm501_set_clock(struct device *dev,
25 int clksrc, unsigned long freq);
26
27extern unsigned long sm501_find_clock(struct device *dev,
28 int clksrc, unsigned long req_freq);
29
30/* sm501_misc_control
31 *
32 * Modify the SM501's MISC_CONTROL register
33*/
34
35extern int sm501_misc_control(struct device *dev,
36 unsigned long set, unsigned long clear);
37
38/* sm501_modify_reg
39 *
40 * Modify a register in the SM501 which may be shared with other
41 * drivers.
42*/
43
44extern unsigned long sm501_modify_reg(struct device *dev,
45 unsigned long reg,
46 unsigned long set,
47 unsigned long clear);
48
49/* sm501_gpio_set
50 *
51 * set the state of the given GPIO line
52*/
53
54extern void sm501_gpio_set(struct device *dev,
55 unsigned long gpio,
56 unsigned int to,
57 unsigned int dir);
58
59/* sm501_gpio_get
60 *
61 * get the state of the given GPIO line
62*/
63
64extern unsigned long sm501_gpio_get(struct device *dev,
65 unsigned long gpio);
66
67
68/* Platform data definitions */
69
70#define SM501FB_FLAG_USE_INIT_MODE (1<<0)
71#define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1)
72#define SM501FB_FLAG_USE_HWCURSOR (1<<2)
73#define SM501FB_FLAG_USE_HWACCEL (1<<3)
74#define SM501FB_FLAG_PANEL_NO_FPEN (1<<4)
75#define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5)
76
77struct sm501_platdata_fbsub {
78 struct fb_videomode *def_mode;
79 unsigned int def_bpp;
80 unsigned long max_mem;
81 unsigned int flags;
82};
83
84enum sm501_fb_routing {
85 SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */
86 SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */
87};
88
89/* sm501_platdata_fb flag field bit definitions */
90
91#define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */
92
93/* sm501_platdata_fb
94 *
95 * configuration data for the framebuffer driver
96*/
97
98struct sm501_platdata_fb {
99 enum sm501_fb_routing fb_route;
100 unsigned int flags;
101 struct sm501_platdata_fbsub *fb_crt;
102 struct sm501_platdata_fbsub *fb_pnl;
103};
104
105/* gpio i2c */
106
107struct sm501_platdata_gpio_i2c {
108 unsigned int pin_sda;
109 unsigned int pin_scl;
110};
111
112/* sm501_initdata
113 *
114 * use for initialising values that may not have been setup
115 * before the driver is loaded.
116*/
117
118struct sm501_reg_init {
119 unsigned long set;
120 unsigned long mask;
121};
122
123#define SM501_USE_USB_HOST (1<<0)
124#define SM501_USE_USB_SLAVE (1<<1)
125#define SM501_USE_SSP0 (1<<2)
126#define SM501_USE_SSP1 (1<<3)
127#define SM501_USE_UART0 (1<<4)
128#define SM501_USE_UART1 (1<<5)
129#define SM501_USE_FBACCEL (1<<6)
130#define SM501_USE_AC97 (1<<7)
131#define SM501_USE_I2S (1<<8)
132
133#define SM501_USE_ALL (0xffffffff)
134
135struct sm501_initdata {
136 struct sm501_reg_init gpio_low;
137 struct sm501_reg_init gpio_high;
138 struct sm501_reg_init misc_timing;
139 struct sm501_reg_init misc_control;
140
141 unsigned long devices;
142 unsigned long mclk; /* non-zero to modify */
143 unsigned long m1xclk; /* non-zero to modify */
144};
145
146/* sm501_init_gpio
147 *
148 * default gpio settings
149*/
150
151struct sm501_init_gpio {
152 struct sm501_reg_init gpio_data_low;
153 struct sm501_reg_init gpio_data_high;
154 struct sm501_reg_init gpio_ddr_low;
155 struct sm501_reg_init gpio_ddr_high;
156};
157
158/* sm501_platdata
159 *
160 * This is passed with the platform device to allow the board
161 * to control the behaviour of the SM501 driver(s) which attach
162 * to the device.
163 *
164*/
165
166struct sm501_platdata {
167 struct sm501_initdata *init;
168 struct sm501_init_gpio *init_gpiop;
169 struct sm501_platdata_fb *fb;
170
171 struct sm501_platdata_gpio_i2c *gpio_i2c;
172 unsigned int gpio_i2c_nr;
173};