diff options
Diffstat (limited to 'drivers/pcmcia/pxa2xx_mainstone.c')
-rw-r--r-- | drivers/pcmcia/pxa2xx_mainstone.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c deleted file mode 100644 index a076e4108452..000000000000 --- a/drivers/pcmcia/pxa2xx_mainstone.c +++ /dev/null @@ -1,122 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/drivers/pcmcia/pxa2xx_mainstone.c - * - * Mainstone PCMCIA specific routines. - * - * Created: May 12, 2004 - * Author: Nicolas Pitre - * Copyright: MontaVista Software Inc. - */ -#include <linux/gpio/consumer.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/platform_device.h> - -#include <pcmcia/ss.h> - -#include <asm/mach-types.h> - -#include "soc_common.h" -#include "max1600.h" - -static int mst_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - struct device *dev = skt->socket.dev.parent; - struct max1600 *m; - int ret; - - skt->stat[SOC_STAT_CD].name = skt->nr ? "bdetect" : "adetect"; - skt->stat[SOC_STAT_BVD1].name = skt->nr ? "bbvd1" : "abvd1"; - skt->stat[SOC_STAT_BVD2].name = skt->nr ? "bbvd2" : "abvd2"; - skt->stat[SOC_STAT_RDY].name = skt->nr ? "bready" : "aready"; - skt->stat[SOC_STAT_VS1].name = skt->nr ? "bvs1" : "avs1"; - skt->stat[SOC_STAT_VS2].name = skt->nr ? "bvs2" : "avs2"; - - skt->gpio_reset = devm_gpiod_get(dev, skt->nr ? "breset" : "areset", - GPIOD_OUT_HIGH); - if (IS_ERR(skt->gpio_reset)) - return PTR_ERR(skt->gpio_reset); - - ret = max1600_init(dev, &m, skt->nr ? MAX1600_CHAN_B : MAX1600_CHAN_A, - MAX1600_CODE_HIGH); - if (ret) - return ret; - - skt->driver_data = m; - - return soc_pcmcia_request_gpiods(skt); -} - -static unsigned int mst_pcmcia_bvd1_status[2]; - -static void mst_pcmcia_socket_state(struct soc_pcmcia_socket *skt, - struct pcmcia_state *state) -{ - unsigned int flip = mst_pcmcia_bvd1_status[skt->nr] ^ state->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_bvd1_status[skt->nr] = state->bvd1; - if (state->bvd1) - enable_irq(skt->stat[SOC_STAT_BVD1].irq); - else - disable_irq(skt->stat[SOC_STAT_BVD2].irq); - } -} - -static int mst_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - return max1600_configure(skt->driver_data, state->Vcc, state->Vpp); -} - -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"); |