diff options
Diffstat (limited to 'drivers/staging/westbridge/astoria/api/src/cyasintr.c')
| -rw-r--r-- | drivers/staging/westbridge/astoria/api/src/cyasintr.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/drivers/staging/westbridge/astoria/api/src/cyasintr.c b/drivers/staging/westbridge/astoria/api/src/cyasintr.c deleted file mode 100644 index b60f69ce5985..000000000000 --- a/drivers/staging/westbridge/astoria/api/src/cyasintr.c +++ /dev/null @@ -1,143 +0,0 @@ -/* Cypress West Bridge API source file (cyasintr.c) -## =========================== -## Copyright (C) 2010 Cypress Semiconductor -## -## 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. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin Street, Fifth Floor -## Boston, MA 02110-1301, USA. -## =========================== -*/ - -#include "../../include/linux/westbridge/cyashal.h" -#include "../../include/linux/westbridge/cyasdevice.h" -#include "../../include/linux/westbridge/cyasregs.h" -#include "../../include/linux/westbridge/cyaserr.h" - -extern void cy_as_mail_box_interrupt_handler(cy_as_device *); - -void -cy_as_mcu_interrupt_handler(cy_as_device *dev_p) -{ - /* Read and clear the interrupt. */ - uint16_t v; - - v = cy_as_hal_read_register(dev_p->tag, CY_AS_MEM_P0_MCU_STAT); - v = v; -} - -void -cy_as_power_management_interrupt_handler(cy_as_device *dev_p) -{ - uint16_t v; - - v = cy_as_hal_read_register(dev_p->tag, CY_AS_MEM_PWR_MAGT_STAT); - v = v; -} - -void -cy_as_pll_lock_loss_interrupt_handler(cy_as_device *dev_p) -{ - uint16_t v; - - v = cy_as_hal_read_register(dev_p->tag, CY_AS_MEM_PLL_LOCK_LOSS_STAT); - v = v; -} - -uint32_t cy_as_intr_start(cy_as_device *dev_p, cy_bool dmaintr) -{ - uint16_t v; - - cy_as_hal_assert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE); - - if (cy_as_device_is_intr_running(dev_p) != 0) - return CY_AS_ERROR_ALREADY_RUNNING; - - v = CY_AS_MEM_P0_INT_MASK_REG_MMCUINT | - CY_AS_MEM_P0_INT_MASK_REG_MMBINT | - CY_AS_MEM_P0_INT_MASK_REG_MPMINT; - - if (dmaintr) - v |= CY_AS_MEM_P0_INT_MASK_REG_MDRQINT; - - /* Enable the interrupts of interest */ - cy_as_hal_write_register(dev_p->tag, CY_AS_MEM_P0_INT_MASK_REG, v); - - /* Mark the interrupt module as initialized */ - cy_as_device_set_intr_running(dev_p); - - return CY_AS_ERROR_SUCCESS; -} - -uint32_t cy_as_intr_stop(cy_as_device *dev_p) -{ - cy_as_hal_assert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE); - - if (cy_as_device_is_intr_running(dev_p) == 0) - return CY_AS_ERROR_NOT_RUNNING; - - cy_as_hal_write_register(dev_p->tag, CY_AS_MEM_P0_INT_MASK_REG, 0); - cy_as_device_set_intr_stopped(dev_p); - - return CY_AS_ERROR_SUCCESS; -} - -void cy_as_intr_service_interrupt(cy_as_hal_device_tag tag) -{ - uint16_t v; - cy_as_device *dev_p; - - dev_p = cy_as_device_find_from_tag(tag); - - /* - * only power management interrupts can occur before the - * antioch API setup is complete. if this is a PM interrupt - * handle it here; otherwise output a warning message. - */ - if (dev_p == 0) { - v = cy_as_hal_read_register(tag, CY_AS_MEM_P0_INTR_REG); - if (v == CY_AS_MEM_P0_INTR_REG_PMINT) { - /* Read the PWR_MAGT_STAT register - * to clear this interrupt. */ - v = cy_as_hal_read_register(tag, - CY_AS_MEM_PWR_MAGT_STAT); - } else - cy_as_hal_print_message("stray antioch " - "interrupt detected" - ", tag not associated " - "with any created device."); - return; - } - - /* Make sure we got a valid object from CyAsDeviceFindFromTag */ - cy_as_hal_assert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE); - - v = cy_as_hal_read_register(dev_p->tag, CY_AS_MEM_P0_INTR_REG); - - if (v & CY_AS_MEM_P0_INTR_REG_MCUINT) - cy_as_mcu_interrupt_handler(dev_p); - - if (v & CY_AS_MEM_P0_INTR_REG_PMINT) - cy_as_power_management_interrupt_handler(dev_p); - - if (v & CY_AS_MEM_P0_INTR_REG_PLLLOCKINT) - cy_as_pll_lock_loss_interrupt_handler(dev_p); - - /* If the interrupt module is not running, no mailbox - * interrupts are expected from the west bridge. */ - if (cy_as_device_is_intr_running(dev_p) == 0) - return; - - if (v & CY_AS_MEM_P0_INTR_REG_MBINT) - cy_as_mail_box_interrupt_handler(dev_p); -} |