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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 12:13:30 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:36:22 -0300
commitb285192a43f0432d82c2c10974204e78af0da596 (patch)
tree618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/cx18/cx18-irq.c
parent68de959f773a1d49096835c411390bceff5d1549 (diff)
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under drivers/media/video into drivers/media/pci and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-irq.c')
-rw-r--r--drivers/media/video/cx18/cx18-irq.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c
deleted file mode 100644
index 80edfe93a3d8..000000000000
--- a/drivers/media/video/cx18/cx18-irq.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * cx18 interrupt handling
- *
- * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
- * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307 USA
- */
-
-#include "cx18-driver.h"
-#include "cx18-io.h"
-#include "cx18-irq.h"
-#include "cx18-mailbox.h"
-#include "cx18-scb.h"
-
-static void xpu_ack(struct cx18 *cx, u32 sw2)
-{
- if (sw2 & IRQ_CPU_TO_EPU_ACK)
- wake_up(&cx->mb_cpu_waitq);
- if (sw2 & IRQ_APU_TO_EPU_ACK)
- wake_up(&cx->mb_apu_waitq);
-}
-
-static void epu_cmd(struct cx18 *cx, u32 sw1)
-{
- if (sw1 & IRQ_CPU_TO_EPU)
- cx18_api_epu_cmd_irq(cx, CPU);
- if (sw1 & IRQ_APU_TO_EPU)
- cx18_api_epu_cmd_irq(cx, APU);
-}
-
-irqreturn_t cx18_irq_handler(int irq, void *dev_id)
-{
- struct cx18 *cx = (struct cx18 *)dev_id;
- u32 sw1, sw2, hw2;
-
- sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & cx->sw1_irq_mask;
- sw2 = cx18_read_reg(cx, SW2_INT_STATUS) & cx->sw2_irq_mask;
- hw2 = cx18_read_reg(cx, HW2_INT_CLR_STATUS) & cx->hw2_irq_mask;
-
- if (sw1)
- cx18_write_reg_expect(cx, sw1, SW1_INT_STATUS, ~sw1, sw1);
- if (sw2)
- cx18_write_reg_expect(cx, sw2, SW2_INT_STATUS, ~sw2, sw2);
- if (hw2)
- cx18_write_reg_expect(cx, hw2, HW2_INT_CLR_STATUS, ~hw2, hw2);
-
- if (sw1 || sw2 || hw2)
- CX18_DEBUG_HI_IRQ("received interrupts "
- "SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2);
-
- /*
- * SW1 responses have to happen first. The sending XPU times out the
- * incoming mailboxes on us rather rapidly.
- */
- if (sw1)
- epu_cmd(cx, sw1);
-
- /* To do: interrupt-based I2C handling
- if (hw2 & (HW2_I2C1_INT|HW2_I2C2_INT)) {
- }
- */
-
- if (sw2)
- xpu_ack(cx, sw2);
-
- return (sw1 || sw2 || hw2) ? IRQ_HANDLED : IRQ_NONE;
-}