diff options
Diffstat (limited to 'drivers/staging/vme/devices/vme_pio2_cntr.c')
| -rw-r--r-- | drivers/staging/vme/devices/vme_pio2_cntr.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/drivers/staging/vme/devices/vme_pio2_cntr.c b/drivers/staging/vme/devices/vme_pio2_cntr.c deleted file mode 100644 index 486c30c4956f..000000000000 --- a/drivers/staging/vme/devices/vme_pio2_cntr.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * GE PIO2 Counter Driver - * - * Author: Martyn Welch <martyn.welch@ge.com> - * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * The PIO-2 has 6 counters, currently this code just disables the interrupts - * and leaves them alone. - * - */ - -#include <linux/device.h> -#include <linux/types.h> -#include <linux/gpio.h> -#include <linux/vme.h> - -#include "vme_pio2.h" - -static int pio2_cntr_irq_set(struct pio2_card *card, int id) -{ - int retval; - u8 data; - - data = PIO2_CNTR_SC_DEV[id] | PIO2_CNTR_RW_BOTH | card->cntr[id].mode; - retval = vme_master_write(card->window, &data, 1, PIO2_CNTR_CTRL[id]); - if (retval < 0) - return retval; - - data = card->cntr[id].count & 0xFF; - retval = vme_master_write(card->window, &data, 1, PIO2_CNTR_DATA[id]); - if (retval < 0) - return retval; - - data = (card->cntr[id].count >> 8) & 0xFF; - retval = vme_master_write(card->window, &data, 1, PIO2_CNTR_DATA[id]); - if (retval < 0) - return retval; - - return 0; -} - -int pio2_cntr_reset(struct pio2_card *card) -{ - int i, retval = 0; - u8 reg; - - /* Clear down all timers */ - for (i = 0; i < 6; i++) { - card->cntr[i].mode = PIO2_CNTR_MODE5; - card->cntr[i].count = 0; - retval = pio2_cntr_irq_set(card, i); - if (retval < 0) - return retval; - } - - /* Ensure all counter interrupts are cleared */ - do { - retval = vme_master_read(card->window, ®, 1, - PIO2_REGS_INT_STAT_CNTR); - if (retval < 0) - return retval; - } while (reg != 0); - - return retval; -} - |