2 * linux/include/asm-arm/hardware/locomo.h
4 * This file contains the definitions for the LoCoMo G/A Chip
6 * (C) Copyright 2004 John Lenz
8 * May be copied or modified under the terms of the GNU General Public
9 * License. See linux/COPYING for more information.
13 #ifndef _ASM_ARCH_LOCOMO
14 #define _ASM_ARCH_LOCOMO
16 #define locomo_writel(val,addr) ({ *(volatile u16 *)(addr) = (val); })
17 #define locomo_readl(addr) (*(volatile u16 *)(addr))
20 #define LOCOMO_VER 0x00
23 #define LOCOMO_ST 0x04
26 #define LOCOMO_C32K 0x08
28 /* Interrupt controller */
29 #define LOCOMO_ICR 0x0C
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
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 */
45 #define LOCOMO_LTC 0xd8 /* LTC interrupt setting */
46 #define LOCOMO_LTINT 0xdc /* LTC interrupt */
48 /* DAC control signal for LCD (COMADJ ) */
49 #define LOCOMO_DAC 0xe0
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 */
57 #define LOCOMO_SPI 0x60
58 #define LOCOMO_SPIMD 0x00 /* SPI mode setting */
59 #define LOCOMO_SPICT 0x04 /* SPI mode control */
60 #define LOCOMO_SPIST 0x08 /* SPI status */
61 #define LOCOMO_SPIIS 0x10 /* SPI interrupt status */
62 #define LOCOMO_SPIWE 0x14 /* SPI interrupt status write enable */
63 #define LOCOMO_SPIIE 0x18 /* SPI interrupt enable */
64 #define LOCOMO_SPIIR 0x1c /* SPI interrupt request */
65 #define LOCOMO_SPITD 0x20 /* SPI transfer data write */
66 #define LOCOMO_SPIRD 0x24 /* SPI receive data read */
67 #define LOCOMO_SPITS 0x28 /* SPI transfer data shift */
68 #define LOCOMO_SPIRS 0x2C /* SPI receive data shift */
69 #define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */
70 #define LOCOMO_SPI_OVRN (1 << 2) /* Over Run bit */
71 #define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */
72 #define LOCOMO_SPI_RFR (1) /* read buffer bit */
75 #define LOCOMO_GPD 0x90 /* GPIO direction */
76 #define LOCOMO_GPE 0x94 /* GPIO input enable */
77 #define LOCOMO_GPL 0x98 /* GPIO level */
78 #define LOCOMO_GPO 0x9c /* GPIO out data setteing */
79 #define LOCOMO_GRIE 0xa0 /* GPIO rise detection */
80 #define LOCOMO_GFIE 0xa4 /* GPIO fall detection */
81 #define LOCOMO_GIS 0xa8 /* GPIO edge detection status */
82 #define LOCOMO_GWE 0xac /* GPIO status write enable */
83 #define LOCOMO_GIE 0xb0 /* GPIO interrupt enable */
84 #define LOCOMO_GIR 0xb4 /* GPIO interrupt request */
85 #define LOCOMO_GPIO(Nb) (0x01 << (Nb))
86 #define LOCOMO_GPIO_RTS LOCOMO_GPIO(0)
87 #define LOCOMO_GPIO_CTS LOCOMO_GPIO(1)
88 #define LOCOMO_GPIO_DSR LOCOMO_GPIO(2)
89 #define LOCOMO_GPIO_DTR LOCOMO_GPIO(3)
90 #define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4)
91 #define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5)
92 #define LOCOMO_GPIO_LCD_VEE_ON LOCOMO_GPIO(6)
93 #define LOCOMO_GPIO_LCD_MOD LOCOMO_GPIO(7)
94 #define LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8)
95 #define LOCOMO_GPIO_FL_VR LOCOMO_GPIO(9)
96 #define LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10)
97 #define LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11)
98 #define LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12)
100 /* Start the definitions of the devices. Each device has an initial
101 * base address and a series of offsets from that base address. */
103 /* Keyboard controller */
104 #define LOCOMO_KEYBOARD 0x40
105 #define LOCOMO_KIB 0x00 /* KIB level */
106 #define LOCOMO_KSC 0x04 /* KSTRB control */
107 #define LOCOMO_KCMD 0x08 /* KSTRB command */
108 #define LOCOMO_KIC 0x0c /* Key interrupt */
110 /* Front light adjustment controller */
111 #define LOCOMO_FRONTLIGHT 0xc8
112 #define LOCOMO_ALS 0x00 /* Adjust light cycle */
113 #define LOCOMO_ALD 0x04 /* Adjust light duty */
115 #define LOCOMO_ALC_EN 0x8000
117 /* Backlight controller: TFT signal */
118 #define LOCOMO_BACKLIGHT 0x38
119 #define LOCOMO_TC 0x00 /* TFT control signal */
120 #define LOCOMO_CPSD 0x04 /* CPS delay */
122 /* Audio controller */
123 #define LOCOMO_AUDIO 0x54
124 #define LOCOMO_ACC 0x00 /* Audio clock */
125 #define LOCOMO_PAIF 0x7C /* PCM audio interface */
127 #define LOCOMO_ACC_XON 0x80
128 #define LOCOMO_ACC_XEN 0x40
129 #define LOCOMO_ACC_XSEL0 0x00
130 #define LOCOMO_ACC_XSEL1 0x20
131 #define LOCOMO_ACC_MCLKEN 0x10
132 #define LOCOMO_ACC_64FSEN 0x08
133 #define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */
134 #define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */
135 #define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */
136 #define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */
137 #define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */
138 #define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */
139 /* PCM audio interface */
140 #define LOCOMO_PAIF_SCINV 0x20
141 #define LOCOMO_PAIF_SCEN 0x10
142 #define LOCOMO_PAIF_LRCRST 0x08
143 #define LOCOMO_PAIF_LRCEVE 0x04
144 #define LOCOMO_PAIF_LRCINV 0x02
145 #define LOCOMO_PAIF_LRCEN 0x01
148 #define LOCOMO_LED 0xe8
149 #define LOCOMO_LPT0 0x00
150 #define LOCOMO_LPT1 0x04
152 #define LOCOMO_LPT_TOFH 0x80
153 #define LOCOMO_LPT_TOFL 0x08
154 #define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4)
155 #define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7))
157 extern struct bus_type locomo_bus_type;
159 #define LOCOMO_DEVID_KEYBOARD 0
160 #define LOCOMO_DEVID_FRONTLIGHT 1
161 #define LOCOMO_DEVID_BACKLIGHT 2
162 #define LOCOMO_DEVID_AUDIO 3
163 #define LOCOMO_DEVID_LED 4
164 #define LOCOMO_DEVID_UART 5
165 #define LOCOMO_DEVID_SPI 6
173 unsigned long length;
178 #define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev)
180 #define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev)
181 #define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)
183 struct locomo_driver {
184 struct device_driver drv;
186 int (*probe)(struct locomo_dev *);
187 int (*remove)(struct locomo_dev *);
188 int (*suspend)(struct locomo_dev *, pm_message_t);
189 int (*resume)(struct locomo_dev *);
192 #define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv)
194 #define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
196 void locomo_lcd_power(struct locomo_dev *, int, unsigned int);
198 int locomo_driver_register(struct locomo_driver *);
199 void locomo_driver_unregister(struct locomo_driver *);
201 /* GPIO control functions */
202 void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir);
203 int locomo_gpio_read_level(struct device *dev, unsigned int bits);
204 int locomo_gpio_read_output(struct device *dev, unsigned int bits);
205 void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set);
208 /* M62332 control function */
209 void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel);
211 /* Frontlight control */
212 void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);