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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [pcmcia/] [sa1100_neponset.c] - Blame information for rev 1765

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/*
 * linux/drivers/pcmcia/sa1100_neponset.c
 *
 * Neponset PCMCIA specific routines
 */
#include <linux/kernel.h>
#include <linux/sched.h>
 
#include <asm/hardware.h>
#include <asm/arch/assabet.h>
#include <asm/hardware/sa1111.h>
 
#include "sa1100_generic.h"
#include "sa1111_generic.h"
 
static int neponset_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);
 
        /* MAX1600 to standby mode: */
        PA_DWR &= ~(GPIO_GPIO0 | GPIO_GPIO1 | GPIO_GPIO2 | GPIO_GPIO3);
        NCR_0 &= ~(NCR_A0VPP | NCR_A1VPP);
 
        return sa1111_pcmcia_init(init);
}
 
static int
neponset_pcmcia_configure_socket(const struct pcmcia_configure *conf)
{
        unsigned int ncr_mask, pa_dwr_mask;
        unsigned int ncr_set, pa_dwr_set;
        int ret;
 
        /* Neponset uses the Maxim MAX1600, with the following connections:
 
         *   MAX1600      Neponset
         *
         *    A0VCC        SA-1111 GPIO A<1>
         *    A1VCC        SA-1111 GPIO A<0>
         *    A0VPP        CPLD NCR A0VPP
         *    A1VPP        CPLD NCR A1VPP
         *    B0VCC        SA-1111 GPIO A<2>
         *    B1VCC        SA-1111 GPIO A<3>
         *    B0VPP        ground (slot B is CF)
         *    B1VPP        ground (slot B is CF)
         *
         *     VX          VCC (5V)
         *     VY          VCC3_3 (3.3V)
         *     12INA       12V
         *     12INB       ground (slot B is CF)
         *
         * The MAX1600 CODE pin is tied to ground, placing the device in
         * "Standard Intel code" mode. Refer to the Maxim data sheet for
         * the corresponding truth table.
         */
 
        switch (conf->sock) {
        case 0:
                pa_dwr_mask = GPIO_GPIO0 | GPIO_GPIO1;
                ncr_mask = NCR_A0VPP | NCR_A1VPP;
 
                switch (conf->vcc) {
                default:
                case 0:          pa_dwr_set = 0;                  break;
                case 33:        pa_dwr_set = GPIO_GPIO1;        break;
                case 50:        pa_dwr_set = GPIO_GPIO0;        break;
                }
 
                switch (conf->vpp) {
                case 0:          ncr_set = 0;                     break;
                case 120:       ncr_set = NCR_A1VPP;            break;
                default:
                        if (conf->vpp == conf->vcc)
                                ncr_set = NCR_A0VPP;
                        else {
                                printk(KERN_ERR "%s(): unrecognized VPP %u\n",
                                       __FUNCTION__, conf->vpp);
                                return -1;
                        }
                }
                break;
 
        case 1:
                pa_dwr_mask = GPIO_GPIO2 | GPIO_GPIO3;
                ncr_mask = 0;
                ncr_set = 0;
 
                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;
                }
 
                if (conf->vpp != conf->vcc && conf->vpp != 0) {
                        printk(KERN_ERR "%s(): CF slot cannot support VPP %u\n",
                               __FUNCTION__, conf->vpp);
                        return -1;
                }
                break;
 
        default:
                return -1;
        }
 
        ret = sa1111_pcmcia_configure_socket(conf);
        if (ret == 0) {
                unsigned long flags;
 
                local_irq_save(flags);
                NCR_0 = (NCR_0 & ~ncr_mask) | ncr_set;
                PA_DWR = (PA_DWR & ~pa_dwr_mask) | pa_dwr_set;
                local_irq_restore(flags);
        }
 
        return 0;
}
 
struct pcmcia_low_level neponset_pcmcia_ops = {
        init:                   neponset_pcmcia_init,
        shutdown:               sa1111_pcmcia_shutdown,
        socket_state:           sa1111_pcmcia_socket_state,
        get_irq_info:           sa1111_pcmcia_get_irq_info,
        configure_socket:       neponset_pcmcia_configure_socket,
 
        socket_init:            sa1111_pcmcia_socket_init,
        socket_suspend:         sa1111_pcmcia_socket_suspend,
};

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* linux/drivers/pcmcia/sa1100_neponset.c`
3			`*`
4			`* Neponset PCMCIA specific routines`
5			`*/`
6			`#include <linux/kernel.h>`
7			`#include <linux/sched.h>`
8
9			`#include <asm/hardware.h>`
10			`#include <asm/arch/assabet.h>`
11			`#include <asm/hardware/sa1111.h>`
12
13			`#include "sa1100_generic.h"`
14			`#include "sa1111_generic.h"`
15
16			`static int neponset_pcmcia_init(struct pcmcia_init *init)`
17			`{`
18			`/* Set GPIO_A<3:0> to be outputs for PCMCIA/CF power controller: */`
19			`PA_DDR &= ~(GPIO_GPIO0 \| GPIO_GPIO1 \| GPIO_GPIO2 \| GPIO_GPIO3);`
20
21			`/* MAX1600 to standby mode: */`
22			`PA_DWR &= ~(GPIO_GPIO0 \| GPIO_GPIO1 \| GPIO_GPIO2 \| GPIO_GPIO3);`
23			`NCR_0 &= ~(NCR_A0VPP \| NCR_A1VPP);`
24
25			`return sa1111_pcmcia_init(init);`
26			`}`
27
28			`static int`
29			`neponset_pcmcia_configure_socket(const struct pcmcia_configure *conf)`
30			`{`
31			`unsigned int ncr_mask, pa_dwr_mask;`
32			`unsigned int ncr_set, pa_dwr_set;`
33			`int ret;`
34
35			`/* Neponset uses the Maxim MAX1600, with the following connections:`
36
37			`* MAX1600 Neponset`
38			`*`
39			`* A0VCC SA-1111 GPIO A<1>`
40			`* A1VCC SA-1111 GPIO A<0>`
41			`* A0VPP CPLD NCR A0VPP`
42			`* A1VPP CPLD NCR A1VPP`
43			`* B0VCC SA-1111 GPIO A<2>`
44			`* B1VCC SA-1111 GPIO A<3>`
45			`* B0VPP ground (slot B is CF)`
46			`* B1VPP ground (slot B is CF)`
47			`*`
48			`* VX VCC (5V)`
49			`* VY VCC3_3 (3.3V)`
50			`* 12INA 12V`
51			`* 12INB ground (slot B is CF)`
52			`*`
53			`* The MAX1600 CODE pin is tied to ground, placing the device in`
54			`* "Standard Intel code" mode. Refer to the Maxim data sheet for`
55			`* the corresponding truth table.`
56			`*/`
57
58			`switch (conf->sock) {`
59			`case 0:`
60			`pa_dwr_mask = GPIO_GPIO0 \| GPIO_GPIO1;`
61			`ncr_mask = NCR_A0VPP \| NCR_A1VPP;`
62
63			`switch (conf->vcc) {`
64			`default:`
65			`case 0: pa_dwr_set = 0; break;`
66			`case 33: pa_dwr_set = GPIO_GPIO1; break;`
67			`case 50: pa_dwr_set = GPIO_GPIO0; break;`
68			`}`
69
70			`switch (conf->vpp) {`
71			`case 0: ncr_set = 0; break;`
72			`case 120: ncr_set = NCR_A1VPP; break;`
73			`default:`
74			`if (conf->vpp == conf->vcc)`
75			`ncr_set = NCR_A0VPP;`
76			`else {`
77			`printk(KERN_ERR "%s(): unrecognized VPP %u\n",`
78			`__FUNCTION__, conf->vpp);`
79			`return -1;`
80			`}`
81			`}`
82			`break;`
83
84			`case 1:`
85			`pa_dwr_mask = GPIO_GPIO2 \| GPIO_GPIO3;`
86			`ncr_mask = 0;`
87			`ncr_set = 0;`
88
89			`switch (conf->vcc) {`
90			`default:`
91			`case 0: pa_dwr_set = 0; break;`
92			`case 33: pa_dwr_set = GPIO_GPIO2; break;`
93			`case 50: pa_dwr_set = GPIO_GPIO3; break;`
94			`}`
95
96			`if (conf->vpp != conf->vcc && conf->vpp != 0) {`
97			`printk(KERN_ERR "%s(): CF slot cannot support VPP %u\n",`
98			`__FUNCTION__, conf->vpp);`
99			`return -1;`
100			`}`
101			`break;`
102
103			`default:`
104			`return -1;`
105			`}`
106
107			`ret = sa1111_pcmcia_configure_socket(conf);`
108			`if (ret == 0) {`
109			`unsigned long flags;`
110
111			`local_irq_save(flags);`
112			`NCR_0 = (NCR_0 & ~ncr_mask) \| ncr_set;`
113			`PA_DWR = (PA_DWR & ~pa_dwr_mask) \| pa_dwr_set;`
114			`local_irq_restore(flags);`
115			`}`
116
117			`return 0;`
118			`}`
119
120			`struct pcmcia_low_level neponset_pcmcia_ops = {`
121			`init: neponset_pcmcia_init,`
122			`shutdown: sa1111_pcmcia_shutdown,`
123			`socket_state: sa1111_pcmcia_socket_state,`
124			`get_irq_info: sa1111_pcmcia_get_irq_info,`
125			`configure_socket: neponset_pcmcia_configure_socket,`
126
127			`socket_init: sa1111_pcmcia_socket_init,`
128			`socket_suspend: sa1111_pcmcia_socket_suspend,`
129			`};`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [pcmcia/] [sa1100_neponset.c] - Blame information for rev 1765