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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 | |
27 | extern 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 | |
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 | |
50 | /* Platform data definitions */ |
51 | |
52 | #define SM501FB_FLAG_USE_INIT_MODE (1<<0) |
53 | #define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1) |
54 | #define SM501FB_FLAG_USE_HWCURSOR (1<<2) |
55 | #define SM501FB_FLAG_USE_HWACCEL (1<<3) |
56 | #define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) |
57 | #define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) |
58 | #define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) |
59 | #define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) |
60 | |
61 | struct sm501_platdata_fbsub { |
62 | struct fb_videomode *def_mode; |
63 | unsigned int def_bpp; |
64 | unsigned long max_mem; |
65 | unsigned int flags; |
66 | }; |
67 | |
68 | enum sm501_fb_routing { |
69 | SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */ |
70 | SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */ |
71 | }; |
72 | |
73 | /* sm501_platdata_fb flag field bit definitions */ |
74 | |
75 | #define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */ |
76 | |
77 | /* sm501_platdata_fb |
78 | * |
79 | * configuration data for the framebuffer driver |
80 | */ |
81 | |
82 | struct sm501_platdata_fb { |
83 | enum sm501_fb_routing fb_route; |
84 | unsigned int flags; |
85 | struct sm501_platdata_fbsub *fb_crt; |
86 | struct sm501_platdata_fbsub *fb_pnl; |
87 | }; |
88 | |
89 | /* gpio i2c |
90 | * |
91 | * Note, we have to pass in the bus number, as the number used will be |
92 | * passed to the i2c-gpio driver's platform_device.id, subsequently used |
93 | * to register the i2c bus. |
94 | */ |
95 | |
96 | struct sm501_platdata_gpio_i2c { |
97 | unsigned int bus_num; |
98 | unsigned int pin_sda; |
99 | unsigned int pin_scl; |
100 | int udelay; |
101 | int timeout; |
102 | }; |
103 | |
104 | /* sm501_initdata |
105 | * |
106 | * use for initialising values that may not have been setup |
107 | * before the driver is loaded. |
108 | */ |
109 | |
110 | struct sm501_reg_init { |
111 | unsigned long set; |
112 | unsigned long mask; |
113 | }; |
114 | |
115 | #define SM501_USE_USB_HOST (1<<0) |
116 | #define SM501_USE_USB_SLAVE (1<<1) |
117 | #define SM501_USE_SSP0 (1<<2) |
118 | #define SM501_USE_SSP1 (1<<3) |
119 | #define SM501_USE_UART0 (1<<4) |
120 | #define SM501_USE_UART1 (1<<5) |
121 | #define SM501_USE_FBACCEL (1<<6) |
122 | #define SM501_USE_AC97 (1<<7) |
123 | #define SM501_USE_I2S (1<<8) |
124 | #define SM501_USE_GPIO (1<<9) |
125 | |
126 | #define SM501_USE_ALL (0xffffffff) |
127 | |
128 | struct sm501_initdata { |
129 | struct sm501_reg_init gpio_low; |
130 | struct sm501_reg_init gpio_high; |
131 | struct sm501_reg_init misc_timing; |
132 | struct sm501_reg_init misc_control; |
133 | |
134 | unsigned long devices; |
135 | unsigned long mclk; /* non-zero to modify */ |
136 | unsigned long m1xclk; /* non-zero to modify */ |
137 | }; |
138 | |
139 | /* sm501_init_gpio |
140 | * |
141 | * default gpio settings |
142 | */ |
143 | |
144 | struct sm501_init_gpio { |
145 | struct sm501_reg_init gpio_data_low; |
146 | struct sm501_reg_init gpio_data_high; |
147 | struct sm501_reg_init gpio_ddr_low; |
148 | struct sm501_reg_init gpio_ddr_high; |
149 | }; |
150 | |
151 | #define SM501_FLAG_SUSPEND_OFF (1<<4) |
152 | |
153 | /* sm501_platdata |
154 | * |
155 | * This is passed with the platform device to allow the board |
156 | * to control the behaviour of the SM501 driver(s) which attach |
157 | * to the device. |
158 | * |
159 | */ |
160 | |
161 | struct sm501_platdata { |
162 | struct sm501_initdata *init; |
163 | struct sm501_init_gpio *init_gpiop; |
164 | struct sm501_platdata_fb *fb; |
165 | |
166 | int flags; |
167 | int gpio_base; |
168 | |
169 | int (*get_power)(struct device *dev); |
170 | int (*set_power)(struct device *dev, unsigned int on); |
171 | |
172 | struct sm501_platdata_gpio_i2c *gpio_i2c; |
173 | unsigned int gpio_i2c_nr; |
174 | }; |
175 | |
176 | #if defined(CONFIG_PPC32) |
177 | #define smc501_readl(addr) ioread32be((addr)) |
178 | #define smc501_writel(val, addr) iowrite32be((val), (addr)) |
179 | #else |
180 | #define smc501_readl(addr) readl(addr) |
181 | #define smc501_writel(val, addr) writel(val, addr) |
182 | #endif |
183 |
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