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TOMOYO Linux Cross Reference
Linux/arch/arm/include/asm/hardware/locomo.h

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  1 /*
  2  * arch/arm/include/asm/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_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_SPI_TEND (1 << 3)        /* Transfer end bit */
 62 #define LOCOMO_SPI_REND (1 << 2)        /* Receive end bit */
 63 #define LOCOMO_SPI_RFW  (1 << 1)        /* write buffer bit */
 64 #define LOCOMO_SPI_RFR  (1)             /* read buffer bit */
 65 
 66 #define LOCOMO_SPIIS    0x10            /* SPI interrupt status */
 67 #define LOCOMO_SPIWE    0x14            /* SPI interrupt status write enable */
 68 #define LOCOMO_SPIIE    0x18            /* SPI interrupt enable */
 69 #define LOCOMO_SPIIR    0x1c            /* SPI interrupt request */
 70 #define LOCOMO_SPITD    0x20            /* SPI transfer data write */
 71 #define LOCOMO_SPIRD    0x24            /* SPI receive data read */
 72 #define LOCOMO_SPITS    0x28            /* SPI transfer data shift */
 73 #define LOCOMO_SPIRS    0x2C            /* SPI receive data shift */
 74 
 75 /* GPIO */
 76 #define LOCOMO_GPD              0x90    /* GPIO direction */
 77 #define LOCOMO_GPE              0x94    /* GPIO input enable */
 78 #define LOCOMO_GPL              0x98    /* GPIO level */
 79 #define LOCOMO_GPO              0x9c    /* GPIO out data setting */
 80 #define LOCOMO_GRIE             0xa0    /* GPIO rise detection */
 81 #define LOCOMO_GFIE             0xa4    /* GPIO fall detection */
 82 #define LOCOMO_GIS              0xa8    /* GPIO edge detection status */
 83 #define LOCOMO_GWE              0xac    /* GPIO status write enable */
 84 #define LOCOMO_GIE              0xb0    /* GPIO interrupt enable */
 85 #define LOCOMO_GIR              0xb4    /* GPIO interrupt request */
 86 #define LOCOMO_GPIO(Nb)         (0x01 << (Nb))
 87 #define LOCOMO_GPIO_RTS         LOCOMO_GPIO(0)
 88 #define LOCOMO_GPIO_CTS         LOCOMO_GPIO(1)
 89 #define LOCOMO_GPIO_DSR         LOCOMO_GPIO(2)
 90 #define LOCOMO_GPIO_DTR         LOCOMO_GPIO(3)
 91 #define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4)
 92 #define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5)
 93 #define LOCOMO_GPIO_LCD_VEE_ON  LOCOMO_GPIO(6)
 94 #define LOCOMO_GPIO_LCD_MOD     LOCOMO_GPIO(7)
 95 #define LOCOMO_GPIO_DAC_ON      LOCOMO_GPIO(8)
 96 #define LOCOMO_GPIO_FL_VR       LOCOMO_GPIO(9)
 97 #define LOCOMO_GPIO_DAC_SDATA   LOCOMO_GPIO(10)
 98 #define LOCOMO_GPIO_DAC_SCK     LOCOMO_GPIO(11)
 99 #define LOCOMO_GPIO_DAC_SLOAD   LOCOMO_GPIO(12)
100 #define LOCOMO_GPIO_CARD_DETECT LOCOMO_GPIO(13)
101 #define LOCOMO_GPIO_WRITE_PROT  LOCOMO_GPIO(14)
102 #define LOCOMO_GPIO_CARD_POWER  LOCOMO_GPIO(15)
103 
104 /* Start the definitions of the devices.  Each device has an initial
105  * base address and a series of offsets from that base address. */
106 
107 /* Keyboard controller */
108 #define LOCOMO_KEYBOARD         0x40
109 #define LOCOMO_KIB              0x00    /* KIB level */
110 #define LOCOMO_KSC              0x04    /* KSTRB control */
111 #define LOCOMO_KCMD             0x08    /* KSTRB command */
112 #define LOCOMO_KIC              0x0c    /* Key interrupt */
113 
114 /* Front light adjustment controller */
115 #define LOCOMO_FRONTLIGHT       0xc8
116 #define LOCOMO_ALS              0x00    /* Adjust light cycle */
117 #define LOCOMO_ALD              0x04    /* Adjust light duty */
118 
119 #define LOCOMO_ALC_EN           0x8000
120 
121 /* Backlight controller: TFT signal */
122 #define LOCOMO_BACKLIGHT        0x38
123 #define LOCOMO_TC               0x00            /* TFT control signal */
124 #define LOCOMO_CPSD             0x04            /* CPS delay */
125 
126 /* Audio controller */
127 #define LOCOMO_AUDIO            0x54
128 #define LOCOMO_ACC              0x00    /* Audio clock */
129 #define LOCOMO_PAIF             0xD0    /* PCM audio interface */
130 /* Audio clock */
131 #define LOCOMO_ACC_XON          0x80
132 #define LOCOMO_ACC_XEN          0x40
133 #define LOCOMO_ACC_XSEL0        0x00
134 #define LOCOMO_ACC_XSEL1        0x20
135 #define LOCOMO_ACC_MCLKEN       0x10
136 #define LOCOMO_ACC_64FSEN       0x08
137 #define LOCOMO_ACC_CLKSEL000    0x00    /* mclk  2 */
138 #define LOCOMO_ACC_CLKSEL001    0x01    /* mclk  3 */
139 #define LOCOMO_ACC_CLKSEL010    0x02    /* mclk  4 */
140 #define LOCOMO_ACC_CLKSEL011    0x03    /* mclk  6 */
141 #define LOCOMO_ACC_CLKSEL100    0x04    /* mclk  8 */
142 #define LOCOMO_ACC_CLKSEL101    0x05    /* mclk 12 */
143 /* PCM audio interface */
144 #define LOCOMO_PAIF_SCINV       0x20
145 #define LOCOMO_PAIF_SCEN        0x10
146 #define LOCOMO_PAIF_LRCRST      0x08
147 #define LOCOMO_PAIF_LRCEVE      0x04
148 #define LOCOMO_PAIF_LRCINV      0x02
149 #define LOCOMO_PAIF_LRCEN       0x01
150 
151 /* LED controller */
152 #define LOCOMO_LED              0xe8
153 #define LOCOMO_LPT0             0x00
154 #define LOCOMO_LPT1             0x04
155 /* LED control */
156 #define LOCOMO_LPT_TOFH         0x80
157 #define LOCOMO_LPT_TOFL         0x08
158 #define LOCOMO_LPT_TOH(TOH)     ((TOH & 0x7) << 4)
159 #define LOCOMO_LPT_TOL(TOL)     ((TOL & 0x7))
160 
161 extern struct bus_type locomo_bus_type;
162 
163 #define LOCOMO_DEVID_KEYBOARD   0
164 #define LOCOMO_DEVID_FRONTLIGHT 1
165 #define LOCOMO_DEVID_BACKLIGHT  2
166 #define LOCOMO_DEVID_AUDIO      3
167 #define LOCOMO_DEVID_LED        4
168 #define LOCOMO_DEVID_UART       5
169 #define LOCOMO_DEVID_SPI        6
170 
171 struct locomo_dev {
172         struct device   dev;
173         unsigned int    devid;
174         unsigned int    irq[1];
175 
176         void            *mapbase;
177         unsigned long   length;
178 
179         u64             dma_mask;
180 };
181 
182 #define LOCOMO_DEV(_d)  container_of((_d), struct locomo_dev, dev)
183 
184 #define locomo_get_drvdata(d)   dev_get_drvdata(&(d)->dev)
185 #define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)
186 
187 struct locomo_driver {
188         struct device_driver    drv;
189         unsigned int            devid;
190         int (*probe)(struct locomo_dev *);
191         int (*remove)(struct locomo_dev *);
192 };
193 
194 #define LOCOMO_DRV(_d)  container_of((_d), struct locomo_driver, drv)
195 
196 #define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
197 
198 void locomo_lcd_power(struct locomo_dev *, int, unsigned int);
199 
200 int locomo_driver_register(struct locomo_driver *);
201 void locomo_driver_unregister(struct locomo_driver *);
202 
203 /* GPIO control functions */
204 void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir);
205 int locomo_gpio_read_level(struct device *dev, unsigned int bits);
206 int locomo_gpio_read_output(struct device *dev, unsigned int bits);
207 void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set);
208 
209 /* M62332 control function */
210 void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel);
211 
212 /* Frontlight control */
213 void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);
214 
215 struct locomo_platform_data {
216         int     irq_base;       /* IRQ base for cascaded on-chip IRQs */
217 };
218 
219 #endif
220 

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