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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-arm/hardware/locomo.h | |
3 | * | |
4 | * This file contains the definitions for the LoCoMo G/A Chip | |
5 | * | |
6 | * (C) Copyright 2004 John Lenz | |
7 | * | |
8 | * May be copied or modified under the terms of the GNU General Public | |
9 | * License. See linux/COPYING for more information. | |
10 | * | |
11 | * Based on sa1111.h | |
12 | */ | |
13 | #ifndef _ASM_ARCH_LOCOMO | |
14 | #define _ASM_ARCH_LOCOMO | |
15 | ||
16 | #define locomo_writel(val,addr) ({ *(volatile u16 *)(addr) = (val); }) | |
17 | #define locomo_readl(addr) (*(volatile u16 *)(addr)) | |
18 | ||
19 | /* LOCOMO version */ | |
20 | #define LOCOMO_VER 0x00 | |
21 | ||
22 | /* Pin status */ | |
23 | #define LOCOMO_ST 0x04 | |
24 | ||
25 | /* Pin status */ | |
26 | #define LOCOMO_C32K 0x08 | |
27 | ||
28 | /* Interrupt controller */ | |
29 | #define LOCOMO_ICR 0x0C | |
30 | ||
31 | /* MCS decoder for boot selecting */ | |
32 | #define LOCOMO_MCSX0 0x10 | |
33 | #define LOCOMO_MCSX1 0x14 | |
34 | #define LOCOMO_MCSX2 0x18 | |
35 | #define LOCOMO_MCSX3 0x1c | |
36 | ||
37 | /* Touch panel controller */ | |
38 | #define LOCOMO_ASD 0x20 /* AD start delay */ | |
39 | #define LOCOMO_HSD 0x28 /* HSYS delay */ | |
40 | #define LOCOMO_HSC 0x2c /* HSYS period */ | |
41 | #define LOCOMO_TADC 0x30 /* tablet ADC clock */ | |
42 | ||
43 | ||
44 | /* Long time timer */ | |
45 | #define LOCOMO_LTC 0xd8 /* LTC interrupt setting */ | |
46 | #define LOCOMO_LTINT 0xdc /* LTC interrupt */ | |
47 | ||
48 | /* DAC control signal for LCD (COMADJ ) */ | |
49 | #define LOCOMO_DAC 0xe0 | |
50 | /* DAC control */ | |
51 | #define LOCOMO_DAC_SCLOEB 0x08 /* SCL pin output data */ | |
52 | #define LOCOMO_DAC_TEST 0x04 /* Test bit */ | |
53 | #define LOCOMO_DAC_SDA 0x02 /* SDA pin level (read-only) */ | |
54 | #define LOCOMO_DAC_SDAOEB 0x01 /* SDA pin output data */ | |
55 | ||
56 | /* SPI interface */ | |
57 | #define LOCOMO_SPIMD 0x60 /* SPI mode setting */ | |
58 | #define LOCOMO_SPICT 0x64 /* SPI mode control */ | |
59 | #define LOCOMO_SPIST 0x68 /* SPI status */ | |
60 | #define LOCOMO_SPIIS 0x70 /* SPI interrupt status */ | |
61 | #define LOCOMO_SPIWE 0x74 /* SPI interrupt status write enable */ | |
62 | #define LOCOMO_SPIIE 0x78 /* SPI interrupt enable */ | |
63 | #define LOCOMO_SPIIR 0x7c /* SPI interrupt request */ | |
64 | #define LOCOMO_SPITD 0x80 /* SPI transfer data write */ | |
65 | #define LOCOMO_SPIRD 0x84 /* SPI receive data read */ | |
66 | #define LOCOMO_SPITS 0x88 /* SPI transfer data shift */ | |
67 | #define LOCOMO_SPIRS 0x8C /* SPI receive data shift */ | |
68 | #define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */ | |
69 | #define LOCOMO_SPI_OVRN (1 << 2) /* Over Run bit */ | |
70 | #define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */ | |
71 | #define LOCOMO_SPI_RFR (1) /* read buffer bit */ | |
72 | ||
73 | /* GPIO */ | |
74 | #define LOCOMO_GPD 0x90 /* GPIO direction */ | |
75 | #define LOCOMO_GPE 0x94 /* GPIO input enable */ | |
76 | #define LOCOMO_GPL 0x98 /* GPIO level */ | |
77 | #define LOCOMO_GPO 0x9c /* GPIO out data setteing */ | |
78 | #define LOCOMO_GRIE 0xa0 /* GPIO rise detection */ | |
79 | #define LOCOMO_GFIE 0xa4 /* GPIO fall detection */ | |
80 | #define LOCOMO_GIS 0xa8 /* GPIO edge detection status */ | |
81 | #define LOCOMO_GWE 0xac /* GPIO status write enable */ | |
82 | #define LOCOMO_GIE 0xb0 /* GPIO interrupt enable */ | |
83 | #define LOCOMO_GIR 0xb4 /* GPIO interrupt request */ | |
84 | #define LOCOMO_GPIO(Nb) (0x01 << (Nb)) | |
85 | #define LOCOMO_GPIO_RTS LOCOMO_GPIO(0) | |
86 | #define LOCOMO_GPIO_CTS LOCOMO_GPIO(1) | |
87 | #define LOCOMO_GPIO_DSR LOCOMO_GPIO(2) | |
88 | #define LOCOMO_GPIO_DTR LOCOMO_GPIO(3) | |
89 | #define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4) | |
90 | #define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5) | |
91 | #define LOCOMO_GPIO_LCD_VEE_ON LOCOMO_GPIO(6) | |
92 | #define LOCOMO_GPIO_LCD_MOD LOCOMO_GPIO(7) | |
93 | #define LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8) | |
94 | #define LOCOMO_GPIO_FL_VR LOCOMO_GPIO(9) | |
95 | #define LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10) | |
96 | #define LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11) | |
97 | #define LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12) | |
98 | ||
99 | /* Start the definitions of the devices. Each device has an initial | |
100 | * base address and a series of offsets from that base address. */ | |
101 | ||
102 | /* Keyboard controller */ | |
103 | #define LOCOMO_KEYBOARD 0x40 | |
104 | #define LOCOMO_KIB 0x00 /* KIB level */ | |
105 | #define LOCOMO_KSC 0x04 /* KSTRB control */ | |
106 | #define LOCOMO_KCMD 0x08 /* KSTRB command */ | |
107 | #define LOCOMO_KIC 0x0c /* Key interrupt */ | |
108 | ||
109 | /* Front light adjustment controller */ | |
110 | #define LOCOMO_FRONTLIGHT 0xc8 | |
111 | #define LOCOMO_ALS 0x00 /* Adjust light cycle */ | |
112 | #define LOCOMO_ALD 0x04 /* Adjust light duty */ | |
113 | ||
e4423781 RP |
114 | #define LOCOMO_ALC_EN 0x8000 |
115 | ||
1da177e4 LT |
116 | /* Backlight controller: TFT signal */ |
117 | #define LOCOMO_BACKLIGHT 0x38 | |
118 | #define LOCOMO_TC 0x00 /* TFT control signal */ | |
119 | #define LOCOMO_CPSD 0x04 /* CPS delay */ | |
120 | ||
121 | /* Audio controller */ | |
122 | #define LOCOMO_AUDIO 0x54 | |
123 | #define LOCOMO_ACC 0x00 /* Audio clock */ | |
124 | #define LOCOMO_PAIF 0x7C /* PCM audio interface */ | |
125 | /* Audio clock */ | |
126 | #define LOCOMO_ACC_XON 0x80 | |
127 | #define LOCOMO_ACC_XEN 0x40 | |
128 | #define LOCOMO_ACC_XSEL0 0x00 | |
129 | #define LOCOMO_ACC_XSEL1 0x20 | |
130 | #define LOCOMO_ACC_MCLKEN 0x10 | |
131 | #define LOCOMO_ACC_64FSEN 0x08 | |
132 | #define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */ | |
133 | #define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */ | |
134 | #define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */ | |
135 | #define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */ | |
136 | #define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */ | |
137 | #define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */ | |
138 | /* PCM audio interface */ | |
139 | #define LOCOMO_PAIF_SCINV 0x20 | |
140 | #define LOCOMO_PAIF_SCEN 0x10 | |
141 | #define LOCOMO_PAIF_LRCRST 0x08 | |
142 | #define LOCOMO_PAIF_LRCEVE 0x04 | |
143 | #define LOCOMO_PAIF_LRCINV 0x02 | |
144 | #define LOCOMO_PAIF_LRCEN 0x01 | |
145 | ||
146 | /* LED controller */ | |
147 | #define LOCOMO_LED 0xe8 | |
148 | #define LOCOMO_LPT0 0x00 | |
149 | #define LOCOMO_LPT1 0x04 | |
150 | /* LED control */ | |
151 | #define LOCOMO_LPT_TOFH 0x80 | |
152 | #define LOCOMO_LPT_TOFL 0x08 | |
153 | #define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4) | |
154 | #define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7)) | |
155 | ||
156 | extern struct bus_type locomo_bus_type; | |
157 | ||
158 | #define LOCOMO_DEVID_KEYBOARD 0 | |
159 | #define LOCOMO_DEVID_FRONTLIGHT 1 | |
160 | #define LOCOMO_DEVID_BACKLIGHT 2 | |
161 | #define LOCOMO_DEVID_AUDIO 3 | |
162 | #define LOCOMO_DEVID_LED 4 | |
163 | #define LOCOMO_DEVID_UART 5 | |
164 | ||
165 | struct locomo_dev { | |
166 | struct device dev; | |
167 | unsigned int devid; | |
168 | unsigned int irq[1]; | |
169 | ||
170 | void *mapbase; | |
171 | unsigned long length; | |
172 | ||
173 | u64 dma_mask; | |
174 | }; | |
175 | ||
176 | #define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev) | |
177 | ||
178 | #define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev) | |
179 | #define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p) | |
180 | ||
181 | struct locomo_driver { | |
182 | struct device_driver drv; | |
183 | unsigned int devid; | |
184 | int (*probe)(struct locomo_dev *); | |
185 | int (*remove)(struct locomo_dev *); | |
186 | int (*suspend)(struct locomo_dev *, pm_message_t); | |
187 | int (*resume)(struct locomo_dev *); | |
188 | }; | |
189 | ||
190 | #define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv) | |
191 | ||
192 | #define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name) | |
193 | ||
194 | void locomo_lcd_power(struct locomo_dev *, int, unsigned int); | |
195 | ||
196 | int locomo_driver_register(struct locomo_driver *); | |
197 | void locomo_driver_unregister(struct locomo_driver *); | |
198 | ||
199 | /* GPIO control functions */ | |
200 | void locomo_gpio_set_dir(struct locomo_dev *ldev, unsigned int bits, unsigned int dir); | |
201 | unsigned int locomo_gpio_read_level(struct locomo_dev *ldev, unsigned int bits); | |
202 | unsigned int locomo_gpio_read_output(struct locomo_dev *ldev, unsigned int bits); | |
203 | void locomo_gpio_write(struct locomo_dev *ldev, unsigned int bits, unsigned int set); | |
204 | ||
205 | /* M62332 control function */ | |
206 | void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel); | |
207 | ||
e4423781 RP |
208 | /* Frontlight control */ |
209 | void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf); | |
210 | ||
1da177e4 | 211 | #endif |