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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [pcmcia/] [sa1100_adsbitsy.c] - Blame information for rev 1774

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/*
 * drivers/pcmcia/sa1100_adsbitsy.c
 *
 * PCMCIA implementation routines for ADS Bitsy
 *
 * 9/18/01 Woojung
 *         Fixed wrong PCMCIA voltage setting
 *
 * 7/5/01 Woojung Huh <whuh@applieddata.net>
 *
 */
#include <linux/kernel.h>
#include <linux/sched.h>
 
#include <asm/hardware.h>
 
#include "sa1100_generic.h"
#include "sa1111_generic.h"
 
static int adsbitsy_pcmcia_init(struct pcmcia_init *init)
{
  /* Set GPIO_A<3:0> to be outputs for PCMCIA/CF power controller: */
  PA_DDR &= ~(GPIO_GPIO0 | GPIO_GPIO1 | GPIO_GPIO2 | GPIO_GPIO3);
 
  /* Disable Power 3.3V/5V for PCMCIA/CF */
  PA_DWR |= GPIO_GPIO0 | GPIO_GPIO1 | GPIO_GPIO2 | GPIO_GPIO3;
 
  /* Why? */
  MECR = 0x09430943;
 
  return sa1111_pcmcia_init(init);
}
 
static int
adsbitsy_pcmcia_configure_socket(const struct pcmcia_configure *conf)
{
  unsigned int pa_dwr_mask, pa_dwr_set;
  int ret;
 
  switch (conf->sock) {
  case 0:
    pa_dwr_mask = GPIO_GPIO0 | GPIO_GPIO1;
 
    switch (conf->vcc) {
    default:
    case 0:      pa_dwr_set = GPIO_GPIO0 | GPIO_GPIO1;   break;
    case 33:    pa_dwr_set = GPIO_GPIO1;                break;
    case 50:    pa_dwr_set = GPIO_GPIO0;                break;
    }
    break;
 
  case 1:
    pa_dwr_mask = GPIO_GPIO2 | GPIO_GPIO3;
 
    switch (conf->vcc) {
    default:
    case 0:      pa_dwr_set = 0;                          break;
    case 33:    pa_dwr_set = GPIO_GPIO2;                break;
    case 50:    pa_dwr_set = GPIO_GPIO3;                break;
    }
 
  default:
    return -1;
  }
 
  if (conf->vpp != conf->vcc && conf->vpp != 0) {
    printk(KERN_ERR "%s(): CF slot cannot support VPP %u\n",
                __FUNCTION__, conf->vpp);
    return -1;
  }
 
  ret = sa1111_pcmcia_configure_socket(conf);
  if (ret == 0) {
    unsigned long flags;
 
    local_irq_save(flags);
    PA_DWR = (PA_DWR & ~pa_dwr_mask) | pa_dwr_set;
    local_irq_restore(flags);
  }
 
  return ret;
}
 
struct pcmcia_low_level adsbitsy_pcmcia_ops = {
  init:                 adsbitsy_pcmcia_init,
  shutdown:             sa1111_pcmcia_shutdown,
  socket_state:         sa1111_pcmcia_socket_state,
  get_irq_info:         sa1111_pcmcia_get_irq_info,
  configure_socket:     adsbitsy_pcmcia_configure_socket,
 
  socket_init:          sa1111_pcmcia_socket_init,
  socket_suspend:       sa1111_pcmcia_socket_suspend,
};
 

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* drivers/pcmcia/sa1100_adsbitsy.c`
3			`*`
4			`* PCMCIA implementation routines for ADS Bitsy`
5			`*`
6			`* 9/18/01 Woojung`
7			`* Fixed wrong PCMCIA voltage setting`
8			`*`
9			`* 7/5/01 Woojung Huh <whuh@applieddata.net>`
10			`*`
11			`*/`
12			`#include <linux/kernel.h>`
13			`#include <linux/sched.h>`
14
15			`#include <asm/hardware.h>`
16
17			`#include "sa1100_generic.h"`
18			`#include "sa1111_generic.h"`
19
20			`static int adsbitsy_pcmcia_init(struct pcmcia_init *init)`
21			`{`
22			`/* Set GPIO_A<3:0> to be outputs for PCMCIA/CF power controller: */`
23			`PA_DDR &= ~(GPIO_GPIO0 \| GPIO_GPIO1 \| GPIO_GPIO2 \| GPIO_GPIO3);`
24
25			`/* Disable Power 3.3V/5V for PCMCIA/CF */`
26			`PA_DWR \|= GPIO_GPIO0 \| GPIO_GPIO1 \| GPIO_GPIO2 \| GPIO_GPIO3;`
27
28			`/* Why? */`
29			`MECR = 0x09430943;`
30
31			`return sa1111_pcmcia_init(init);`
32			`}`
33
34			`static int`
35			`adsbitsy_pcmcia_configure_socket(const struct pcmcia_configure *conf)`
36			`{`
37			`unsigned int pa_dwr_mask, pa_dwr_set;`
38			`int ret;`
39
40			`switch (conf->sock) {`
41			`case 0:`
42			`pa_dwr_mask = GPIO_GPIO0 \| GPIO_GPIO1;`
43
44			`switch (conf->vcc) {`
45			`default:`
46			`case 0: pa_dwr_set = GPIO_GPIO0 \| GPIO_GPIO1; break;`
47			`case 33: pa_dwr_set = GPIO_GPIO1; break;`
48			`case 50: pa_dwr_set = GPIO_GPIO0; break;`
49			`}`
50			`break;`
51
52			`case 1:`
53			`pa_dwr_mask = GPIO_GPIO2 \| GPIO_GPIO3;`
54
55			`switch (conf->vcc) {`
56			`default:`
57			`case 0: pa_dwr_set = 0; break;`
58			`case 33: pa_dwr_set = GPIO_GPIO2; break;`
59			`case 50: pa_dwr_set = GPIO_GPIO3; break;`
60			`}`
61
62			`default:`
63			`return -1;`
64			`}`
65
66			`if (conf->vpp != conf->vcc && conf->vpp != 0) {`
67			`printk(KERN_ERR "%s(): CF slot cannot support VPP %u\n",`
68			`__FUNCTION__, conf->vpp);`
69			`return -1;`
70			`}`
71
72			`ret = sa1111_pcmcia_configure_socket(conf);`
73			`if (ret == 0) {`
74			`unsigned long flags;`
75
76			`local_irq_save(flags);`
77			`PA_DWR = (PA_DWR & ~pa_dwr_mask) \| pa_dwr_set;`
78			`local_irq_restore(flags);`
79			`}`
80
81			`return ret;`
82			`}`
83
84			`struct pcmcia_low_level adsbitsy_pcmcia_ops = {`
85			`init: adsbitsy_pcmcia_init,`
86			`shutdown: sa1111_pcmcia_shutdown,`
87			`socket_state: sa1111_pcmcia_socket_state,`
88			`get_irq_info: sa1111_pcmcia_get_irq_info,`
89			`configure_socket: adsbitsy_pcmcia_configure_socket,`
90
91			`socket_init: sa1111_pcmcia_socket_init,`
92			`socket_suspend: sa1111_pcmcia_socket_suspend,`
93			`};`
94

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [pcmcia/] [sa1100_adsbitsy.c] - Blame information for rev 1774