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0b712183 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
b6d6454f BD |
2 | /* include/linux/sm501.h |
3 | * | |
4 | * Copyright (c) 2006 Simtec Electronics | |
5 | * Ben Dooks <ben@simtec.co.uk> | |
6 | * Vincent Sanders <vince@simtec.co.uk> | |
b6d6454f BD |
7 | */ |
8 | ||
9 | extern int sm501_unit_power(struct device *dev, | |
10 | unsigned int unit, unsigned int to); | |
11 | ||
12 | extern unsigned long sm501_set_clock(struct device *dev, | |
13 | int clksrc, unsigned long freq); | |
14 | ||
3149be50 VS |
15 | extern unsigned long sm501_find_clock(struct device *dev, |
16 | int clksrc, unsigned long req_freq); | |
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17 | |
18 | /* sm501_misc_control | |
19 | * | |
20 | * Modify the SM501's MISC_CONTROL register | |
21 | */ | |
22 | ||
23 | extern int sm501_misc_control(struct device *dev, | |
24 | unsigned long set, unsigned long clear); | |
25 | ||
26 | /* sm501_modify_reg | |
27 | * | |
28 | * Modify a register in the SM501 which may be shared with other | |
29 | * drivers. | |
30 | */ | |
31 | ||
32 | extern unsigned long sm501_modify_reg(struct device *dev, | |
33 | unsigned long reg, | |
34 | unsigned long set, | |
35 | unsigned long clear); | |
36 | ||
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37 | |
38 | /* Platform data definitions */ | |
39 | ||
40 | #define SM501FB_FLAG_USE_INIT_MODE (1<<0) | |
41 | #define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1) | |
42 | #define SM501FB_FLAG_USE_HWCURSOR (1<<2) | |
43 | #define SM501FB_FLAG_USE_HWACCEL (1<<3) | |
cdc83ae2 BD |
44 | #define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) |
45 | #define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) | |
206c5d69 BD |
46 | #define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) |
47 | #define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) | |
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48 | |
49 | struct sm501_platdata_fbsub { | |
50 | struct fb_videomode *def_mode; | |
51 | unsigned int def_bpp; | |
52 | unsigned long max_mem; | |
53 | unsigned int flags; | |
54 | }; | |
55 | ||
56 | enum sm501_fb_routing { | |
57 | SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */ | |
58 | SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */ | |
59 | }; | |
60 | ||
61 | /* sm501_platdata_fb flag field bit definitions */ | |
62 | ||
63 | #define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */ | |
64 | ||
65 | /* sm501_platdata_fb | |
66 | * | |
67 | * configuration data for the framebuffer driver | |
68 | */ | |
69 | ||
70 | struct sm501_platdata_fb { | |
71 | enum sm501_fb_routing fb_route; | |
72 | unsigned int flags; | |
73 | struct sm501_platdata_fbsub *fb_crt; | |
74 | struct sm501_platdata_fbsub *fb_pnl; | |
75 | }; | |
76 | ||
42cd2366 BD |
77 | /* gpio i2c |
78 | * | |
79 | * Note, we have to pass in the bus number, as the number used will be | |
80 | * passed to the i2c-gpio driver's platform_device.id, subsequently used | |
81 | * to register the i2c bus. | |
82 | */ | |
b6d6454f BD |
83 | |
84 | struct sm501_platdata_gpio_i2c { | |
42cd2366 | 85 | unsigned int bus_num; |
b6d6454f BD |
86 | unsigned int pin_sda; |
87 | unsigned int pin_scl; | |
42cd2366 BD |
88 | int udelay; |
89 | int timeout; | |
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90 | }; |
91 | ||
92 | /* sm501_initdata | |
93 | * | |
94 | * use for initialising values that may not have been setup | |
95 | * before the driver is loaded. | |
96 | */ | |
97 | ||
98 | struct sm501_reg_init { | |
99 | unsigned long set; | |
100 | unsigned long mask; | |
101 | }; | |
102 | ||
103 | #define SM501_USE_USB_HOST (1<<0) | |
104 | #define SM501_USE_USB_SLAVE (1<<1) | |
105 | #define SM501_USE_SSP0 (1<<2) | |
106 | #define SM501_USE_SSP1 (1<<3) | |
107 | #define SM501_USE_UART0 (1<<4) | |
108 | #define SM501_USE_UART1 (1<<5) | |
109 | #define SM501_USE_FBACCEL (1<<6) | |
110 | #define SM501_USE_AC97 (1<<7) | |
111 | #define SM501_USE_I2S (1<<8) | |
f61be273 | 112 | #define SM501_USE_GPIO (1<<9) |
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113 | |
114 | #define SM501_USE_ALL (0xffffffff) | |
115 | ||
116 | struct sm501_initdata { | |
117 | struct sm501_reg_init gpio_low; | |
118 | struct sm501_reg_init gpio_high; | |
119 | struct sm501_reg_init misc_timing; | |
120 | struct sm501_reg_init misc_control; | |
121 | ||
122 | unsigned long devices; | |
123 | unsigned long mclk; /* non-zero to modify */ | |
124 | unsigned long m1xclk; /* non-zero to modify */ | |
125 | }; | |
126 | ||
127 | /* sm501_init_gpio | |
128 | * | |
129 | * default gpio settings | |
130 | */ | |
131 | ||
132 | struct sm501_init_gpio { | |
133 | struct sm501_reg_init gpio_data_low; | |
134 | struct sm501_reg_init gpio_data_high; | |
135 | struct sm501_reg_init gpio_ddr_low; | |
136 | struct sm501_reg_init gpio_ddr_high; | |
137 | }; | |
138 | ||
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139 | #define SM501_FLAG_SUSPEND_OFF (1<<4) |
140 | ||
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141 | /* sm501_platdata |
142 | * | |
143 | * This is passed with the platform device to allow the board | |
144 | * to control the behaviour of the SM501 driver(s) which attach | |
145 | * to the device. | |
146 | * | |
147 | */ | |
148 | ||
149 | struct sm501_platdata { | |
150 | struct sm501_initdata *init; | |
151 | struct sm501_init_gpio *init_gpiop; | |
152 | struct sm501_platdata_fb *fb; | |
153 | ||
472dba7d | 154 | int flags; |
60e540d6 | 155 | int gpio_base; |
472dba7d BD |
156 | |
157 | int (*get_power)(struct device *dev); | |
158 | int (*set_power)(struct device *dev, unsigned int on); | |
159 | ||
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160 | struct sm501_platdata_gpio_i2c *gpio_i2c; |
161 | unsigned int gpio_i2c_nr; | |
162 | }; | |
bf5f0019 HS |
163 | |
164 | #if defined(CONFIG_PPC32) | |
165 | #define smc501_readl(addr) ioread32be((addr)) | |
166 | #define smc501_writel(val, addr) iowrite32be((val), (addr)) | |
167 | #else | |
168 | #define smc501_readl(addr) readl(addr) | |
169 | #define smc501_writel(val, addr) writel(val, addr) | |
170 | #endif |