Commit | Line | Data |
---|---|---|
b6d6454f BD |
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 | ||
21 | extern int sm501_unit_power(struct device *dev, | |
22 | unsigned int unit, unsigned int to); | |
23 | ||
24 | extern unsigned long sm501_set_clock(struct device *dev, | |
25 | int clksrc, unsigned long freq); | |
26 | ||
3149be50 VS |
27 | extern unsigned long sm501_find_clock(struct device *dev, |
28 | int clksrc, unsigned long req_freq); | |
b6d6454f BD |
29 | |
30 | /* sm501_misc_control | |
31 | * | |
32 | * Modify the SM501's MISC_CONTROL register | |
33 | */ | |
34 | ||
35 | extern 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 | ||
44 | extern 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 | ||
54 | extern 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 | ||
64 | extern 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) | |
dfcffa46 MD |
74 | #define SM501FB_FLAG_PANEL_USE_FPEN (1<<4) |
75 | #define SM501FB_FLAG_PANEL_USE_VBIASEN (1<<5) | |
b6d6454f BD |
76 | |
77 | struct 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 | ||
84 | enum 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 | ||
98 | struct 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 | ||
107 | struct 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 | ||
118 | struct 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 | ||
135 | struct 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 | ||
151 | struct 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 | ||
166 | struct 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 | }; |