diff options
Diffstat (limited to 'arch/arm/mach-pxa/trizeps4-pcmcia.c')
| -rw-r--r-- | arch/arm/mach-pxa/trizeps4-pcmcia.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/arch/arm/mach-pxa/trizeps4-pcmcia.c b/arch/arm/mach-pxa/trizeps4-pcmcia.c deleted file mode 100644 index 25e363770565..000000000000 --- a/arch/arm/mach-pxa/trizeps4-pcmcia.c +++ /dev/null @@ -1,200 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/drivers/pcmcia/pxa2xx_trizeps4.c - * - * TRIZEPS PCMCIA specific routines. - * - * Author: Jürgen Schindele - * Created: 20 02, 2006 - * Copyright: Jürgen Schindele - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/gpio.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> - -#include <asm/mach-types.h> -#include <asm/irq.h> - -#include "pxa2xx-regs.h" -#include "trizeps4.h" - -#include <pcmcia/soc_common.h> - -extern void board_pcmcia_power(int power); - -static int trizeps_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - /* we dont have voltage/card/ready detection - * so we dont need interrupts for it - */ - switch (skt->nr) { - case 0: - skt->stat[SOC_STAT_CD].gpio = GPIO_PCD; - skt->stat[SOC_STAT_CD].name = "cs0_cd"; - skt->stat[SOC_STAT_RDY].gpio = GPIO_PRDY; - skt->stat[SOC_STAT_RDY].name = "cs0_rdy"; - break; - default: - break; - } - /* release the reset of this card */ - pr_debug("%s: sock %d irq %d\n", __func__, skt->nr, skt->socket.pci_irq); - - return 0; -} - -static unsigned long trizeps_pcmcia_status[2]; - -static void trizeps_pcmcia_socket_state(struct soc_pcmcia_socket *skt, - struct pcmcia_state *state) -{ - unsigned short status = 0, change; - status = CFSR_readw(); - change = (status ^ trizeps_pcmcia_status[skt->nr]) & - ConXS_CFSR_BVD_MASK; - if (change) { - trizeps_pcmcia_status[skt->nr] = status; - if (status & ConXS_CFSR_BVD1) { - /* enable_irq empty */ - } else { - /* disable_irq empty */ - } - } - - switch (skt->nr) { - case 0: - /* just fill in fix states */ - state->bvd1 = (status & ConXS_CFSR_BVD1) ? 1 : 0; - state->bvd2 = (status & ConXS_CFSR_BVD2) ? 1 : 0; - state->vs_3v = (status & ConXS_CFSR_VS1) ? 0 : 1; - state->vs_Xv = (status & ConXS_CFSR_VS2) ? 0 : 1; - break; - -#ifndef CONFIG_MACH_TRIZEPS_CONXS - /* on ConXS we only have one slot. Second is inactive */ - case 1: - state->detect = 0; - state->ready = 0; - state->bvd1 = 0; - state->bvd2 = 0; - state->vs_3v = 0; - state->vs_Xv = 0; - break; - -#endif - } -} - -static int trizeps_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - int ret = 0; - unsigned short power = 0; - - /* we do nothing here just check a bit */ - switch (state->Vcc) { - case 0: power &= 0xfc; break; - case 33: power |= ConXS_BCR_S0_VCC_3V3; break; - case 50: - pr_err("%s(): Vcc 5V not supported in socket\n", __func__); - break; - default: - pr_err("%s(): bad Vcc %u\n", __func__, state->Vcc); - ret = -1; - } - - switch (state->Vpp) { - case 0: power &= 0xf3; break; - case 33: power |= ConXS_BCR_S0_VPP_3V3; break; - case 120: - pr_err("%s(): Vpp 12V not supported in socket\n", __func__); - break; - default: - if (state->Vpp != state->Vcc) { - pr_err("%s(): bad Vpp %u\n", __func__, state->Vpp); - ret = -1; - } - } - - switch (skt->nr) { - case 0: /* we only have 3.3V */ - board_pcmcia_power(power); - break; - -#ifndef CONFIG_MACH_TRIZEPS_CONXS - /* on ConXS we only have one slot. Second is inactive */ - case 1: -#endif - default: - break; - } - - return ret; -} - -static void trizeps_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - /* default is on */ - board_pcmcia_power(0x9); -} - -static void trizeps_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - board_pcmcia_power(0x0); -} - -static struct pcmcia_low_level trizeps_pcmcia_ops = { - .owner = THIS_MODULE, - .hw_init = trizeps_pcmcia_hw_init, - .socket_state = trizeps_pcmcia_socket_state, - .configure_socket = trizeps_pcmcia_configure_socket, - .socket_init = trizeps_pcmcia_socket_init, - .socket_suspend = trizeps_pcmcia_socket_suspend, -#ifdef CONFIG_MACH_TRIZEPS_CONXS - .nr = 1, -#else - .nr = 2, -#endif - .first = 0, -}; - -static struct platform_device *trizeps_pcmcia_device; - -static int __init trizeps_pcmcia_init(void) -{ - int ret; - - if (!machine_is_trizeps4() && !machine_is_trizeps4wl()) - return -ENODEV; - - trizeps_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); - if (!trizeps_pcmcia_device) - return -ENOMEM; - - ret = platform_device_add_data(trizeps_pcmcia_device, - &trizeps_pcmcia_ops, sizeof(trizeps_pcmcia_ops)); - - if (ret == 0) - ret = platform_device_add(trizeps_pcmcia_device); - - if (ret) - platform_device_put(trizeps_pcmcia_device); - - return ret; -} - -static void __exit trizeps_pcmcia_exit(void) -{ - platform_device_unregister(trizeps_pcmcia_device); -} - -fs_initcall(trizeps_pcmcia_init); -module_exit(trizeps_pcmcia_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Juergen Schindele"); -MODULE_ALIAS("platform:pxa2xx-pcmcia"); |