tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
114/* Backlight controller: TFT signal */
115#define LOCOMO_BACKLIGHT 0x38
116#define LOCOMO_TC 0x00 /* TFT control signal */
117#define LOCOMO_CPSD 0x04 /* CPS delay */
118
119/* Audio controller */
120#define LOCOMO_AUDIO 0x54
121#define LOCOMO_ACC 0x00 /* Audio clock */
122#define LOCOMO_PAIF 0x7C /* PCM audio interface */
123/* Audio clock */
124#define LOCOMO_ACC_XON 0x80
125#define LOCOMO_ACC_XEN 0x40
126#define LOCOMO_ACC_XSEL0 0x00
127#define LOCOMO_ACC_XSEL1 0x20
128#define LOCOMO_ACC_MCLKEN 0x10
129#define LOCOMO_ACC_64FSEN 0x08
130#define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */
131#define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */
132#define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */
133#define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */
134#define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */
135#define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */
136/* PCM audio interface */
137#define LOCOMO_PAIF_SCINV 0x20
138#define LOCOMO_PAIF_SCEN 0x10
139#define LOCOMO_PAIF_LRCRST 0x08
140#define LOCOMO_PAIF_LRCEVE 0x04
141#define LOCOMO_PAIF_LRCINV 0x02
142#define LOCOMO_PAIF_LRCEN 0x01
143
144/* LED controller */
145#define LOCOMO_LED 0xe8
146#define LOCOMO_LPT0 0x00
147#define LOCOMO_LPT1 0x04
148/* LED control */
149#define LOCOMO_LPT_TOFH 0x80
150#define LOCOMO_LPT_TOFL 0x08
151#define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4)
152#define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7))
153
154extern struct bus_type locomo_bus_type;
155
156#define LOCOMO_DEVID_KEYBOARD 0
157#define LOCOMO_DEVID_FRONTLIGHT 1
158#define LOCOMO_DEVID_BACKLIGHT 2
159#define LOCOMO_DEVID_AUDIO 3
160#define LOCOMO_DEVID_LED 4
161#define LOCOMO_DEVID_UART 5
162
163struct locomo_dev {
164 struct device dev;
165 unsigned int devid;
166 unsigned int irq[1];
167
168 void *mapbase;
169 unsigned long length;
170
171 u64 dma_mask;
172};
173
174#define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev)
175
176#define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev)
177#define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)
178
179struct locomo_driver {
180 struct device_driver drv;
181 unsigned int devid;
182 int (*probe)(struct locomo_dev *);
183 int (*remove)(struct locomo_dev *);
184 int (*suspend)(struct locomo_dev *, pm_message_t);
185 int (*resume)(struct locomo_dev *);
186};
187
188#define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv)
189
190#define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
191
192void locomo_lcd_power(struct locomo_dev *, int, unsigned int);
193
194int locomo_driver_register(struct locomo_driver *);
195void locomo_driver_unregister(struct locomo_driver *);
196
197/* GPIO control functions */
198void locomo_gpio_set_dir(struct locomo_dev *ldev, unsigned int bits, unsigned int dir);
199unsigned int locomo_gpio_read_level(struct locomo_dev *ldev, unsigned int bits);
200unsigned int locomo_gpio_read_output(struct locomo_dev *ldev, unsigned int bits);
201void locomo_gpio_write(struct locomo_dev *ldev, unsigned int bits, unsigned int set);
202
203/* M62332 control function */
204void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel);
205
206#endif