arch/arm/include/asm/hardware/locomo.h

   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