Contributors: 6
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Russell King |
130 |
62.80% |
13 |
52.00% |
Linus Torvalds |
54 |
26.09% |
2 |
8.00% |
Nico Pitre |
10 |
4.83% |
2 |
8.00% |
Linus Torvalds (pre-git) |
9 |
4.35% |
5 |
20.00% |
Christopher Hoover |
3 |
1.45% |
2 |
8.00% |
Greg Kroah-Hartman |
1 |
0.48% |
1 |
4.00% |
Total |
207 |
|
25 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* linux/drivers/pcmcia/sa1100_neponset.c
*
* Neponset PCMCIA specific routines
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <asm/mach-types.h>
#include "sa1111_generic.h"
#include "max1600.h"
/*
* 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.
*/
static int neponset_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
struct max1600 *m;
int ret;
ret = max1600_init(skt->socket.dev.parent, &m,
skt->nr ? MAX1600_CHAN_B : MAX1600_CHAN_A,
MAX1600_CODE_LOW);
if (ret == 0)
skt->driver_data = m;
return ret;
}
static int
neponset_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
{
struct max1600 *m = skt->driver_data;
int ret;
ret = sa1111_pcmcia_configure_socket(skt, state);
if (ret == 0)
ret = max1600_configure(m, state->Vcc, state->Vpp);
return ret;
}
static struct pcmcia_low_level neponset_pcmcia_ops = {
.owner = THIS_MODULE,
.hw_init = neponset_pcmcia_hw_init,
.configure_socket = neponset_pcmcia_configure_socket,
.first = 0,
.nr = 2,
};
int pcmcia_neponset_init(struct sa1111_dev *sadev)
{
sa11xx_drv_pcmcia_ops(&neponset_pcmcia_ops);
return sa1111_pcmcia_add(sadev, &neponset_pcmcia_ops,
sa11xx_drv_pcmcia_add_one);
}