diff options
Diffstat (limited to 'drivers/pcmcia/pxa2xx_mainstone.c')
| -rw-r--r-- | drivers/pcmcia/pxa2xx_mainstone.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c deleted file mode 100644 index 7e32e25cdcb2..000000000000 --- a/drivers/pcmcia/pxa2xx_mainstone.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * linux/drivers/pcmcia/pxa2xx_mainstone.c - * - * Mainstone PCMCIA specific routines. - * - * Created: May 12, 2004 - * Author: Nicolas Pitre - * 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. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> - -#include <pcmcia/ss.h> - -#include <asm/mach-types.h> -#include <asm/irq.h> - -#include <mach/pxa2xx-regs.h> -#include <mach/mainstone.h> - -#include "soc_common.h" - - -static int mst_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - /* - * Setup default state of GPIO outputs - * before we enable them as outputs. - */ - if (skt->nr == 0) { - skt->socket.pci_irq = MAINSTONE_S0_IRQ; - skt->stat[SOC_STAT_CD].irq = MAINSTONE_S0_CD_IRQ; - skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; - skt->stat[SOC_STAT_BVD1].irq = MAINSTONE_S0_STSCHG_IRQ; - skt->stat[SOC_STAT_BVD1].name = "PCMCIA0 STSCHG"; - } else { - skt->socket.pci_irq = MAINSTONE_S1_IRQ; - skt->stat[SOC_STAT_CD].irq = MAINSTONE_S1_CD_IRQ; - skt->stat[SOC_STAT_CD].name = "PCMCIA1 CD"; - skt->stat[SOC_STAT_BVD1].irq = MAINSTONE_S1_STSCHG_IRQ; - skt->stat[SOC_STAT_BVD1].name = "PCMCIA1 STSCHG"; - } - return 0; -} - -static unsigned long mst_pcmcia_status[2]; - -static void mst_pcmcia_socket_state(struct soc_pcmcia_socket *skt, - struct pcmcia_state *state) -{ - unsigned long status, flip; - - status = (skt->nr == 0) ? MST_PCMCIA0 : MST_PCMCIA1; - flip = (status ^ mst_pcmcia_status[skt->nr]) & MST_PCMCIA_nSTSCHG_BVD1; - - /* - * Workaround for STSCHG which can't be deasserted: - * We therefore disable/enable corresponding IRQs - * as needed to avoid IRQ locks. - */ - if (flip) { - mst_pcmcia_status[skt->nr] = status; - if (status & MST_PCMCIA_nSTSCHG_BVD1) - enable_irq( (skt->nr == 0) ? MAINSTONE_S0_STSCHG_IRQ - : MAINSTONE_S1_STSCHG_IRQ ); - else - disable_irq( (skt->nr == 0) ? MAINSTONE_S0_STSCHG_IRQ - : MAINSTONE_S1_STSCHG_IRQ ); - } - - state->detect = (status & MST_PCMCIA_nCD) ? 0 : 1; - state->ready = (status & MST_PCMCIA_nIRQ) ? 1 : 0; - state->bvd1 = (status & MST_PCMCIA_nSTSCHG_BVD1) ? 1 : 0; - state->bvd2 = (status & MST_PCMCIA_nSPKR_BVD2) ? 1 : 0; - state->vs_3v = (status & MST_PCMCIA_nVS1) ? 0 : 1; - state->vs_Xv = (status & MST_PCMCIA_nVS2) ? 0 : 1; -} - -static int mst_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - unsigned long power = 0; - int ret = 0; - - switch (state->Vcc) { - case 0: power |= MST_PCMCIA_PWR_VCC_0; break; - case 33: power |= MST_PCMCIA_PWR_VCC_33; break; - case 50: power |= MST_PCMCIA_PWR_VCC_50; break; - default: - printk(KERN_ERR "%s(): bad Vcc %u\n", - __func__, state->Vcc); - ret = -1; - } - - switch (state->Vpp) { - case 0: power |= MST_PCMCIA_PWR_VPP_0; break; - case 120: power |= MST_PCMCIA_PWR_VPP_120; break; - default: - if(state->Vpp == state->Vcc) { - power |= MST_PCMCIA_PWR_VPP_VCC; - } else { - printk(KERN_ERR "%s(): bad Vpp %u\n", - __func__, state->Vpp); - ret = -1; - } - } - - if (state->flags & SS_RESET) - power |= MST_PCMCIA_RESET; - - switch (skt->nr) { - case 0: MST_PCMCIA0 = power; break; - case 1: MST_PCMCIA1 = power; break; - default: ret = -1; - } - - return ret; -} - -static struct pcmcia_low_level mst_pcmcia_ops __initdata = { - .owner = THIS_MODULE, - .hw_init = mst_pcmcia_hw_init, - .socket_state = mst_pcmcia_socket_state, - .configure_socket = mst_pcmcia_configure_socket, - .nr = 2, -}; - -static struct platform_device *mst_pcmcia_device; - -static int __init mst_pcmcia_init(void) -{ - int ret; - - if (!machine_is_mainstone()) - return -ENODEV; - - mst_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); - if (!mst_pcmcia_device) - return -ENOMEM; - - ret = platform_device_add_data(mst_pcmcia_device, &mst_pcmcia_ops, - sizeof(mst_pcmcia_ops)); - if (ret == 0) - ret = platform_device_add(mst_pcmcia_device); - - if (ret) - platform_device_put(mst_pcmcia_device); - - return ret; -} - -static void __exit mst_pcmcia_exit(void) -{ - platform_device_unregister(mst_pcmcia_device); -} - -fs_initcall(mst_pcmcia_init); -module_exit(mst_pcmcia_exit); - -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pxa2xx-pcmcia"); |