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 typedef int __bitwise pm_request_t;
  27
  28 #define PM_SUSPEND      ((__force pm_request_t) 1)      /* enter D1-D3 */
  29 #define PM_RESUME       ((__force pm_request_t) 2)      /* enter D0 */
  30
  31 /* generalized support for H3xxx series Compaq Pocket PC's */
  32 #define machine_is_h3xxx() (machine_is_h3100() || machine_is_h3600() || machine_is_h3800())
  33
  34 /* Physical memory regions corresponding to chip selects */
  35 #define H3600_EGPIO_PHYS     (SA1100_CS5_PHYS + 0x01000000)
  36 #define H3600_BANK_2_PHYS    SA1100_CS2_PHYS
  37 #define H3600_BANK_4_PHYS    SA1100_CS4_PHYS
  38
  39 /* Virtual memory regions corresponding to chip selects 2 & 4 (used on sleeves) */
  40 #define H3600_EGPIO_VIRT     0xf0000000
  41 #define H3600_BANK_2_VIRT    0xf1000000
  42 #define H3600_BANK_4_VIRT    0xf3800000
  43
  44 /*
  45    Machine-independent GPIO definitions
  46    --- these are common across all current iPAQ platforms
  47 */
  48
  49 #define GPIO_H3600_NPOWER_BUTTON        GPIO_GPIO (0)   /* Also known as the "off button"  */
  50
  51 #define GPIO_H3600_PCMCIA_CD1           GPIO_GPIO (10)
  52 #define GPIO_H3600_PCMCIA_IRQ1          GPIO_GPIO (11)
  53
  54 /* UDA1341 L3 Interface */
  55 #define GPIO_H3600_L3_DATA              GPIO_GPIO (14)
  56 #define GPIO_H3600_L3_MODE              GPIO_GPIO (15)
  57 #define GPIO_H3600_L3_CLOCK             GPIO_GPIO (16)
  58
  59 #define GPIO_H3600_PCMCIA_CD0           GPIO_GPIO (17)
  60 #define GPIO_H3600_SYS_CLK              GPIO_GPIO (19)
  61 #define GPIO_H3600_PCMCIA_IRQ0          GPIO_GPIO (21)
  62
  63 #define GPIO_H3600_COM_DCD              GPIO_GPIO (23)
  64 #define GPIO_H3600_OPT_IRQ              GPIO_GPIO (24)
  65 #define GPIO_H3600_COM_CTS              GPIO_GPIO (25)
  66 #define GPIO_H3600_COM_RTS              GPIO_GPIO (26)
  67
  68 #define IRQ_GPIO_H3600_NPOWER_BUTTON    IRQ_GPIO0
  69 #define IRQ_GPIO_H3600_PCMCIA_CD1       IRQ_GPIO10
  70 #define IRQ_GPIO_H3600_PCMCIA_IRQ1      IRQ_GPIO11
  71 #define IRQ_GPIO_H3600_PCMCIA_CD0       IRQ_GPIO17
  72 #define IRQ_GPIO_H3600_PCMCIA_IRQ0      IRQ_GPIO21
  73 #define IRQ_GPIO_H3600_COM_DCD          IRQ_GPIO23
  74 #define IRQ_GPIO_H3600_OPT_IRQ          IRQ_GPIO24
  75 #define IRQ_GPIO_H3600_COM_CTS          IRQ_GPIO25
  76
  77
  78 #ifndef __ASSEMBLY__
  79
  80 enum ipaq_egpio_type {
  81         IPAQ_EGPIO_LCD_POWER,     /* Power to the LCD panel */
  82         IPAQ_EGPIO_CODEC_NRESET,  /* Clear to reset the audio codec (remember to return high) */
  83         IPAQ_EGPIO_AUDIO_ON,      /* Audio power */
  84         IPAQ_EGPIO_QMUTE,         /* Audio muting */
  85         IPAQ_EGPIO_OPT_NVRAM_ON,  /* Non-volatile RAM on extension sleeves (SPI interface) */
  86         IPAQ_EGPIO_OPT_ON,        /* Power to extension sleeves */
  87         IPAQ_EGPIO_CARD_RESET,    /* Reset PCMCIA cards on extension sleeve (???) */
  88         IPAQ_EGPIO_OPT_RESET,     /* Reset option pack (???) */
  89         IPAQ_EGPIO_IR_ON,         /* IR sensor/emitter power */
  90         IPAQ_EGPIO_IR_FSEL,       /* IR speed selection 1->fast, 0->slow */
  91         IPAQ_EGPIO_RS232_ON,      /* Maxim RS232 chip power */
  92         IPAQ_EGPIO_VPP_ON,        /* Turn on power to flash programming */
  93         IPAQ_EGPIO_LCD_ENABLE,    /* Enable/disable LCD controller */
  94 };
  95
  96 struct ipaq_model_ops {
  97         const char     *generic_name;
  98         void          (*control)(enum ipaq_egpio_type, int);
  99         unsigned long (*read)(void);
 100         void          (*blank_callback)(int blank);
 101         int           (*pm_callback)(int req);      /* Primary model callback */
 102         int           (*pm_callback_aux)(int req);  /* Secondary callback (used by HAL modules) */
 103 };
 104
 105 extern struct ipaq_model_ops ipaq_model_ops;
 106
 107 static __inline__ const char * h3600_generic_name(void)
 108 {
 109         return ipaq_model_ops.generic_name;
 110 }
 111
 112 static __inline__ void assign_h3600_egpio(enum ipaq_egpio_type x, int level)
 113 {
 114         if (ipaq_model_ops.control)
 115                 ipaq_model_ops.control(x,level);
 116 }
 117
 118 static __inline__ void clr_h3600_egpio(enum ipaq_egpio_type x)
 119 {
 120         if (ipaq_model_ops.control)
 121                 ipaq_model_ops.control(x,0);
 122 }
 123
 124 static __inline__ void set_h3600_egpio(enum ipaq_egpio_type x)
 125 {
 126         if (ipaq_model_ops.control)
 127                 ipaq_model_ops.control(x,1);
 128 }
 129
 130 static __inline__ unsigned long read_h3600_egpio(void)
 131 {
 132         if (ipaq_model_ops.read)
 133                 return ipaq_model_ops.read();
 134         return 0;
 135 }
 136
 137 static __inline__ int  h3600_register_blank_callback(void (*f)(int))
 138 {
 139         ipaq_model_ops.blank_callback = f;
 140         return 0;
 141 }
 142
 143 static __inline__ void h3600_unregister_blank_callback(void (*f)(int))
 144 {
 145         ipaq_model_ops.blank_callback = NULL;
 146 }
 147
 148
 149 static __inline__ int  h3600_register_pm_callback(int (*f)(int))
 150 {
 151         ipaq_model_ops.pm_callback_aux = f;
 152         return 0;
 153 }
 154
 155 static __inline__ void h3600_unregister_pm_callback(int (*f)(int))
 156 {
 157         ipaq_model_ops.pm_callback_aux = NULL;
 158 }
 159
 160 static __inline__ int h3600_power_management(int req)
 161 {
 162         if (ipaq_model_ops.pm_callback)
 163                 return ipaq_model_ops.pm_callback(req);
 164         return 0;
 165 }
 166
 167 #endif /* ASSEMBLY */
 168
 169 #endif /* _INCLUDE_H3600_H_ */