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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-17 22:46:41 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-02-21 14:27:18 +0000
commitff80aa57cc9946d3dafe65119d576b3d11304303 (patch)
tree63c51d7e3515ecd1b92411d49be1104b107a7dc9 /drivers/pcmcia/pxa2xx_lubbock.c
parentPCMCIA: make lubbock socket driver part of sa1111_cs (diff)
downloadlinux-dev-ff80aa57cc9946d3dafe65119d576b3d11304303.tar.xz
linux-dev-ff80aa57cc9946d3dafe65119d576b3d11304303.zip
PCMCIA: sa1111: rename sa1111 socket drivers to have sa1111_ prefix.
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/pcmcia/pxa2xx_lubbock.c')
-rw-r--r--drivers/pcmcia/pxa2xx_lubbock.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/drivers/pcmcia/pxa2xx_lubbock.c b/drivers/pcmcia/pxa2xx_lubbock.c
deleted file mode 100644
index c5caf5790451..000000000000
--- a/drivers/pcmcia/pxa2xx_lubbock.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * linux/drivers/pcmcia/pxa2xx_lubbock.c
- *
- * Author: George Davis
- * Created: Jan 10, 2002
- * Copyright: MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Originally based upon linux/drivers/pcmcia/sa1100_neponset.c
- *
- * Lubbock PCMCIA specific routines.
- *
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-
-#include <mach/hardware.h>
-#include <asm/hardware/sa1111.h>
-#include <asm/mach-types.h>
-#include <mach/lubbock.h>
-
-#include "sa1111_generic.h"
-
-static int
-lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
- const socket_state_t *state)
-{
- struct sa1111_pcmcia_socket *s = to_skt(skt);
- unsigned int pa_dwr_mask, pa_dwr_set, misc_mask, misc_set;
- int ret = 0;
-
- pa_dwr_mask = pa_dwr_set = misc_mask = misc_set = 0;
-
- /* Lubbock uses the Maxim MAX1602, with the following connections:
- *
- * Socket 0 (PCMCIA):
- * MAX1602 Lubbock Register
- * Pin Signal
- * ----- ------- ----------------------
- * A0VPP S0_PWR0 SA-1111 GPIO A<0>
- * A1VPP S0_PWR1 SA-1111 GPIO A<1>
- * A0VCC S0_PWR2 SA-1111 GPIO A<2>
- * A1VCC S0_PWR3 SA-1111 GPIO A<3>
- * VX VCC
- * VY +3.3V
- * 12IN +12V
- * CODE +3.3V Cirrus Code, CODE = High (VY)
- *
- * Socket 1 (CF):
- * MAX1602 Lubbock Register
- * Pin Signal
- * ----- ------- ----------------------
- * A0VPP GND VPP is not connected
- * A1VPP GND VPP is not connected
- * A0VCC S1_PWR0 MISC_WR<14>
- * A1VCC S1_PWR1 MISC_WR<15>
- * VX VCC
- * VY +3.3V
- * 12IN GND VPP is not connected
- * CODE +3.3V Cirrus Code, CODE = High (VY)
- *
- */
-
- again:
- switch (skt->nr) {
- case 0:
- pa_dwr_mask = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3;
-
- switch (state->Vcc) {
- case 0: /* Hi-Z */
- break;
-
- case 33: /* VY */
- pa_dwr_set |= GPIO_A3;
- break;
-
- case 50: /* VX */
- pa_dwr_set |= GPIO_A2;
- break;
-
- default:
- printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
- __func__, state->Vcc);
- ret = -1;
- }
-
- switch (state->Vpp) {
- case 0: /* Hi-Z */
- break;
-
- case 120: /* 12IN */
- pa_dwr_set |= GPIO_A1;
- break;
-
- default: /* VCC */
- if (state->Vpp == state->Vcc)
- pa_dwr_set |= GPIO_A0;
- else {
- printk(KERN_ERR "%s(): unrecognized Vpp %u\n",
- __func__, state->Vpp);
- ret = -1;
- break;
- }
- }
- break;
-
- case 1:
- misc_mask = (1 << 15) | (1 << 14);
-
- switch (state->Vcc) {
- case 0: /* Hi-Z */
- break;
-
- case 33: /* VY */
- misc_set |= 1 << 15;
- break;
-
- case 50: /* VX */
- misc_set |= 1 << 14;
- break;
-
- default:
- printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
- __func__, state->Vcc);
- ret = -1;
- break;
- }
-
- if (state->Vpp != state->Vcc && state->Vpp != 0) {
- printk(KERN_ERR "%s(): CF slot cannot support Vpp %u\n",
- __func__, state->Vpp);
- ret = -1;
- break;
- }
- break;
-
- default:
- ret = -1;
- }
-
- if (ret == 0)
- ret = sa1111_pcmcia_configure_socket(skt, state);
-
- if (ret == 0) {
- lubbock_set_misc_wr(misc_mask, misc_set);
- sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set);
- }
-
-#if 1
- if (ret == 0 && state->Vcc == 33) {
- struct pcmcia_state new_state;
-
- /*
- * HACK ALERT:
- * We can't sense the voltage properly on Lubbock before
- * actually applying some power to the socket (catch 22).
- * Resense the socket Voltage Sense pins after applying
- * socket power.
- *
- * Note: It takes about 2.5ms for the MAX1602 VCC output
- * to rise.
- */
- mdelay(3);
-
- sa1111_pcmcia_socket_state(skt, &new_state);
-
- if (!new_state.vs_3v && !new_state.vs_Xv) {
- /*
- * Switch to 5V, Configure socket with 5V voltage
- */
- lubbock_set_misc_wr(misc_mask, 0);
- sa1111_set_io(s->dev, pa_dwr_mask, 0);
-
- /*
- * It takes about 100ms to turn off Vcc.
- */
- mdelay(100);
-
- /*
- * We need to hack around the const qualifier as
- * well to keep this ugly workaround localized and
- * not force it to the rest of the code. Barf bags
- * available in the seat pocket in front of you!
- */
- ((socket_state_t *)state)->Vcc = 50;
- ((socket_state_t *)state)->Vpp = 50;
- goto again;
- }
- }
-#endif
-
- return ret;
-}
-
-static struct pcmcia_low_level lubbock_pcmcia_ops = {
- .owner = THIS_MODULE,
- .configure_socket = lubbock_pcmcia_configure_socket,
- .first = 0,
- .nr = 2,
-};
-
-#include "pxa2xx_base.h"
-
-int pcmcia_lubbock_init(struct sa1111_dev *sadev)
-{
- int ret = -ENODEV;
-
- if (machine_is_lubbock()) {
- /*
- * Set GPIO_A<3:0> to be outputs for the MAX1600,
- * and switch to standby mode.
- */
- sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0);
- sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
- sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0);
-
- /* Set CF Socket 1 power to standby mode. */
- lubbock_set_misc_wr((1 << 15) | (1 << 14), 0);
-
- pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops);
- pxa2xx_configure_sockets(&sadev->dev);
- ret = sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops,
- pxa2xx_drv_pcmcia_add_one);
- }
-
- return ret;
-}
-
-MODULE_LICENSE("GPL");