include/asm-arm/arch-sa1100/h3600.h

   1 /*
   2  *
   3  * Definitions for H3600 Handheld Computer
   4  *
   5  * Copyright 2000 Compaq Computer Corporation.
   6  *
   7  * Use consistent with the GNU GPL is permitted,
   8  * provided that this copyright notice is
   9  * preserved in its entirety in all copies and derived works.
  10  *
  11  * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
  12  * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
  13  * FITNESS FOR ANY PARTICULAR PURPOSE.
  14  *
  15  * Author: Jamey Hicks.
  16  *
  17  * History:
  18  *
  19  * 2001-10-??   Andrew Christian   Added support for iPAQ H3800
  20  *
  21  */
  22
  23 #ifndef _INCLUDE_H3600_H_
  24 #define _INCLUDE_H3600_H_
  25
  26 /* generalized support for H3xxx series Compaq Pocket PC's */
  27 #define machine_is_h3xxx() (machine_is_h3100() || machine_is_h3600() || machine_is_h3800())
  28
  29 /* Physical memory regions corresponding to chip selects */
  30 #define H3600_EGPIO_PHYS     (SA1100_CS5_PHYS + 0x01000000)
  31 #define H3600_BANK_2_PHYS    SA1100_CS2_PHYS
  32 #define H3600_BANK_4_PHYS    SA1100_CS4_PHYS
  33
  34 /* Virtual memory regions corresponding to chip selects 2 & 4 (used on sleeves) */
  35 #define H3600_EGPIO_VIRT     0xf0000000
  36 #define H3600_BANK_2_VIRT    0xf1000000
  37 #define H3600_BANK_4_VIRT    0xf3800000
  38
  39 /*
  40    Machine-independent GPIO definitions
  41    --- these are common across all current iPAQ platforms
  42 */
  43
  44 #define GPIO_H3600_NPOWER_BUTTON        GPIO_GPIO (0)   /* Also known as the "off button"  */
  45
  46 #define GPIO_H3600_PCMCIA_CD1           GPIO_GPIO (10)
  47 #define GPIO_H3600_PCMCIA_IRQ1          GPIO_GPIO (11)
  48
  49 /* UDA1341 L3 Interface */
  50 #define GPIO_H3600_L3_DATA              GPIO_GPIO (14)
  51 #define GPIO_H3600_L3_MODE              GPIO_GPIO (15)
  52 #define GPIO_H3600_L3_CLOCK             GPIO_GPIO (16)
  53
  54 #define GPIO_H3600_PCMCIA_CD0           GPIO_GPIO (17)
  55 #define GPIO_H3600_SYS_CLK              GPIO_GPIO (19)
  56 #define GPIO_H3600_PCMCIA_IRQ0          GPIO_GPIO (21)
  57
  58 #define GPIO_H3600_COM_DCD              GPIO_GPIO (23)
  59 #define GPIO_H3600_OPT_IRQ              GPIO_GPIO (24)
  60 #define GPIO_H3600_COM_CTS              GPIO_GPIO (25)
  61 #define GPIO_H3600_COM_RTS              GPIO_GPIO (26)
  62
  63 #define IRQ_GPIO_H3600_NPOWER_BUTTON    IRQ_GPIO0
  64 #define IRQ_GPIO_H3600_PCMCIA_CD1       IRQ_GPIO10
  65 #define IRQ_GPIO_H3600_PCMCIA_IRQ1      IRQ_GPIO11
  66 #define IRQ_GPIO_H3600_PCMCIA_CD0       IRQ_GPIO17
  67 #define IRQ_GPIO_H3600_PCMCIA_IRQ0      IRQ_GPIO21
  68 #define IRQ_GPIO_H3600_COM_DCD          IRQ_GPIO23
  69 #define IRQ_GPIO_H3600_OPT_IRQ          IRQ_GPIO24
  70 #define IRQ_GPIO_H3600_COM_CTS          IRQ_GPIO25
  71
  72
  73 #ifndef __ASSEMBLY__
  74
  75 enum ipaq_egpio_type {
  76         IPAQ_EGPIO_LCD_POWER,     /* Power to the LCD panel */
  77         IPAQ_EGPIO_CODEC_NRESET,  /* Clear to reset the audio codec (remember to return high) */
  78         IPAQ_EGPIO_AUDIO_ON,      /* Audio power */
  79         IPAQ_EGPIO_QMUTE,         /* Audio muting */
  80         IPAQ_EGPIO_OPT_NVRAM_ON,  /* Non-volatile RAM on extension sleeves (SPI interface) */
  81         IPAQ_EGPIO_OPT_ON,        /* Power to extension sleeves */
  82         IPAQ_EGPIO_CARD_RESET,    /* Reset PCMCIA cards on extension sleeve (???) */
  83         IPAQ_EGPIO_OPT_RESET,     /* Reset option pack (???) */
  84         IPAQ_EGPIO_IR_ON,         /* IR sensor/emitter power */
  85         IPAQ_EGPIO_IR_FSEL,       /* IR speed selection 1->fast, 0->slow */
  86         IPAQ_EGPIO_RS232_ON,      /* Maxim RS232 chip power */
  87         IPAQ_EGPIO_VPP_ON,        /* Turn on power to flash programming */
  88         IPAQ_EGPIO_LCD_ENABLE,    /* Enable/disable LCD controller */
  89 };
  90
  91 struct ipaq_model_ops {
  92         const char     *generic_name;
  93         void          (*control)(enum ipaq_egpio_type, int);
  94         unsigned long (*read)(void);
  95         void          (*blank_callback)(int blank);
  96         int           (*pm_callback)(int req);      /* Primary model callback */
  97         int           (*pm_callback_aux)(int req);  /* Secondary callback (used by HAL modules) */
  98 };
  99
 100 extern struct ipaq_model_ops ipaq_model_ops;
 101
 102 static __inline__ const char * h3600_generic_name(void)
 103 {
 104         return ipaq_model_ops.generic_name;
 105 }
 106
 107 static __inline__ void assign_h3600_egpio(enum ipaq_egpio_type x, int level)
 108 {
 109         if (ipaq_model_ops.control)
 110                 ipaq_model_ops.control(x,level);
 111 }
 112
 113 static __inline__ void clr_h3600_egpio(enum ipaq_egpio_type x)
 114 {
 115         if (ipaq_model_ops.control)
 116                 ipaq_model_ops.control(x,0);
 117 }
 118
 119 static __inline__ void set_h3600_egpio(enum ipaq_egpio_type x)
 120 {
 121         if (ipaq_model_ops.control)
 122                 ipaq_model_ops.control(x,1);
 123 }
 124
 125 static __inline__ unsigned long read_h3600_egpio(void)
 126 {
 127         if (ipaq_model_ops.read)
 128                 return ipaq_model_ops.read();
 129         return 0;
 130 }
 131
 132 static __inline__ int  h3600_register_blank_callback(void (*f)(int))
 133 {
 134         ipaq_model_ops.blank_callback = f;
 135         return 0;
 136 }
 137
 138 static __inline__ void h3600_unregister_blank_callback(void (*f)(int))
 139 {
 140         ipaq_model_ops.blank_callback = NULL;
 141 }
 142
 143
 144 static __inline__ int  h3600_register_pm_callback(int (*f)(int))
 145 {
 146         ipaq_model_ops.pm_callback_aux = f;
 147         return 0;
 148 }
 149
 150 static __inline__ void h3600_unregister_pm_callback(int (*f)(int))
 151 {
 152         ipaq_model_ops.pm_callback_aux = NULL;
 153 }
 154
 155 static __inline__ int h3600_power_management(int req)
 156 {
 157         if (ipaq_model_ops.pm_callback)
 158                 return ipaq_model_ops.pm_callback(req);
 159         return 0;
 160 }
 161
 162 #endif /* ASSEMBLY */
 163
 164 #endif /* _INCLUDE_H3600_H_ */