linux/drivers/media/pci/cx25821/cx25821-audio-upstream.c

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/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "cx25821-video.h"
#include "cx25821-audio-upstream.h"
#include <linux/fs.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/syscalls.h>
#include <linux/file.h>
#include <linux/fcntl.h>
#include <linux/delay.h>
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 16:04:11 +08:00
#include <linux/slab.h>
#include <linux/uaccess.h>
MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
MODULE_LICENSE("GPL");
static int _intr_msk = FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF |
FLD_AUD_SRC_SYNC | FLD_AUD_SRC_OPC_ERR;
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
const struct sram_channel *ch,
unsigned int bpl, u32 risc)
{
unsigned int i, lines;
u32 cdt;
if (ch->cmds_start == 0) {
cx_write(ch->ptr1_reg, 0);
cx_write(ch->ptr2_reg, 0);
cx_write(ch->cnt2_reg, 0);
cx_write(ch->cnt1_reg, 0);
return 0;
}
bpl = (bpl + 7) & ~7; /* alignment */
cdt = ch->cdt;
lines = ch->fifo_size / bpl;
if (lines > 3)
lines = 3;
BUG_ON(lines < 2);
/* write CDT */
for (i = 0; i < lines; i++) {
cx_write(cdt + 16 * i, ch->fifo_start + bpl * i);
cx_write(cdt + 16 * i + 4, 0);
cx_write(cdt + 16 * i + 8, 0);
cx_write(cdt + 16 * i + 12, 0);
}
/* write CMDS */
cx_write(ch->cmds_start + 0, risc);
cx_write(ch->cmds_start + 4, 0);
cx_write(ch->cmds_start + 8, cdt);
cx_write(ch->cmds_start + 12, AUDIO_CDT_SIZE_QW);
cx_write(ch->cmds_start + 16, ch->ctrl_start);
/* IQ size */
cx_write(ch->cmds_start + 20, AUDIO_IQ_SIZE_DW);
for (i = 24; i < 80; i += 4)
cx_write(ch->cmds_start + i, 0);
/* fill registers */
cx_write(ch->ptr1_reg, ch->fifo_start);
cx_write(ch->ptr2_reg, cdt);
cx_write(ch->cnt2_reg, AUDIO_CDT_SIZE_QW);
cx_write(ch->cnt1_reg, AUDIO_CLUSTER_SIZE_QW - 1);
return 0;
}
static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev,
__le32 *rp,
dma_addr_t databuf_phys_addr,
unsigned int bpl,
int fifo_enable)
{
unsigned int line;
const struct sram_channel *sram_ch =
dev->channels[dev->_audio_upstream_channel].sram_channels;
int offset = 0;
/* scan lines */
for (line = 0; line < LINES_PER_AUDIO_BUFFER; line++) {
*(rp++) = cpu_to_le32(RISC_READ | RISC_SOL | RISC_EOL | bpl);
*(rp++) = cpu_to_le32(databuf_phys_addr + offset);
*(rp++) = cpu_to_le32(0); /* bits 63-32 */
/* Check if we need to enable the FIFO
* after the first 3 lines.
* For the upstream audio channel,
* the risc engine will enable the FIFO */
if (fifo_enable && line == 2) {
*(rp++) = RISC_WRITECR;
*(rp++) = sram_ch->dma_ctl;
*(rp++) = sram_ch->fld_aud_fifo_en;
*(rp++) = 0x00000020;
}
offset += AUDIO_LINE_SIZE;
}
return rp;
}
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev,
struct pci_dev *pci,
unsigned int bpl, unsigned int lines)
{
__le32 *rp;
int fifo_enable = 0;
int frame = 0, i = 0;
int frame_size = AUDIO_DATA_BUF_SZ;
int databuf_offset = 0;
int risc_flag = RISC_CNT_INC;
dma_addr_t risc_phys_jump_addr;
/* Virtual address of Risc buffer program */
rp = dev->_risc_virt_addr;
/* sync instruction */
*(rp++) = cpu_to_le32(RISC_RESYNC | AUDIO_SYNC_LINE);
for (frame = 0; frame < NUM_AUDIO_FRAMES; frame++) {
databuf_offset = frame_size * frame;
if (frame == 0) {
fifo_enable = 1;
risc_flag = RISC_CNT_RESET;
} else {
fifo_enable = 0;
risc_flag = RISC_CNT_INC;
}
/* Calculate physical jump address */
if ((frame + 1) == NUM_AUDIO_FRAMES) {
risc_phys_jump_addr =
dev->_risc_phys_start_addr +
RISC_SYNC_INSTRUCTION_SIZE;
} else {
risc_phys_jump_addr =
dev->_risc_phys_start_addr +
RISC_SYNC_INSTRUCTION_SIZE +
AUDIO_RISC_DMA_BUF_SIZE * (frame + 1);
}
rp = cx25821_risc_field_upstream_audio(dev, rp,
dev->_audiodata_buf_phys_addr + databuf_offset,
bpl, fifo_enable);
if (USE_RISC_NOOP_AUDIO) {
for (i = 0; i < NUM_NO_OPS; i++)
*(rp++) = cpu_to_le32(RISC_NOOP);
}
/* Loop to (Nth)FrameRISC or to Start of Risc program &
* generate IRQ */
*(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | risc_flag);
*(rp++) = cpu_to_le32(risc_phys_jump_addr);
*(rp++) = cpu_to_le32(0);
/* Recalculate virtual address based on frame index */
rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE / 4 +
(AUDIO_RISC_DMA_BUF_SIZE * (frame + 1) / 4);
}
return 0;
}
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static void cx25821_free_memory_audio(struct cx25821_dev *dev)
{
if (dev->_risc_virt_addr) {
pci_free_consistent(dev->pci, dev->_audiorisc_size,
dev->_risc_virt_addr, dev->_risc_phys_addr);
dev->_risc_virt_addr = NULL;
}
if (dev->_audiodata_buf_virt_addr) {
pci_free_consistent(dev->pci, dev->_audiodata_buf_size,
dev->_audiodata_buf_virt_addr,
dev->_audiodata_buf_phys_addr);
dev->_audiodata_buf_virt_addr = NULL;
}
}
void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
{
const struct sram_channel *sram_ch =
dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels;
u32 tmp = 0;
if (!dev->_audio_is_running) {
printk(KERN_DEBUG
pr_fmt("No audio file is currently running so return!\n"));
return;
}
/* Disable RISC interrupts */
cx_write(sram_ch->int_msk, 0);
/* Turn OFF risc and fifo enable in AUD_DMA_CNTRL */
tmp = cx_read(sram_ch->dma_ctl);
cx_write(sram_ch->dma_ctl,
tmp & ~(sram_ch->fld_aud_fifo_en | sram_ch->fld_aud_risc_en));
/* Clear data buffer memory */
if (dev->_audiodata_buf_virt_addr)
memset(dev->_audiodata_buf_virt_addr, 0,
dev->_audiodata_buf_size);
dev->_audio_is_running = 0;
dev->_is_first_audio_frame = 0;
dev->_audioframe_count = 0;
dev->_audiofile_status = END_OF_FILE;
kfree(dev->_irq_audio_queues);
dev->_irq_audio_queues = NULL;
kfree(dev->_audiofilename);
}
void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev)
{
if (dev->_audio_is_running)
cx25821_stop_upstream_audio(dev);
cx25821_free_memory_audio(dev);
}
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static int cx25821_get_audio_data(struct cx25821_dev *dev,
const struct sram_channel *sram_ch)
{
struct file *file;
int frame_index_temp = dev->_audioframe_index;
int i = 0;
int frame_size = AUDIO_DATA_BUF_SZ;
int frame_offset = frame_size * frame_index_temp;
char mybuf[AUDIO_LINE_SIZE];
loff_t file_offset = dev->_audioframe_count * frame_size;
char *p = NULL;
if (dev->_audiofile_status == END_OF_FILE)
return 0;
file = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0);
if (IS_ERR(file)) {
pr_err("%s(): ERROR opening file(%s) with errno = %ld!\n",
__func__, dev->_audiofilename, -PTR_ERR(file));
return PTR_ERR(file);
}
if (dev->_audiodata_buf_virt_addr)
p = (char *)dev->_audiodata_buf_virt_addr + frame_offset;
for (i = 0; i < dev->_audio_lines_count; i++) {
int n = kernel_read(file, file_offset, mybuf, AUDIO_LINE_SIZE);
if (n < AUDIO_LINE_SIZE) {
pr_info("Done: exit %s() since no more bytes to read from Audio file\n",
__func__);
dev->_audiofile_status = END_OF_FILE;
fput(file);
return 0;
}
dev->_audiofile_status = IN_PROGRESS;
if (p) {
memcpy(p, mybuf, n);
p += n;
}
file_offset += n;
}
dev->_audioframe_count++;
fput(file);
return 0;
}
static void cx25821_audioups_handler(struct work_struct *work)
{
struct cx25821_dev *dev = container_of(work, struct cx25821_dev,
_audio_work_entry);
if (!dev) {
pr_err("ERROR %s(): since container_of(work_struct) FAILED!\n",
__func__);
return;
}
cx25821_get_audio_data(dev, dev->channels[dev->_audio_upstream_channel].
sram_channels);
}
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static int cx25821_openfile_audio(struct cx25821_dev *dev,
const struct sram_channel *sram_ch)
{
char *p = (void *)dev->_audiodata_buf_virt_addr;
struct file *file;
loff_t offset;
int i, j;
file = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0);
if (IS_ERR(file)) {
pr_err("%s(): ERROR opening file(%s) with errno = %ld!\n",
__func__, dev->_audiofilename, PTR_ERR(file));
return PTR_ERR(file);
}
for (j = 0, offset = 0; j < NUM_AUDIO_FRAMES; j++) {
for (i = 0; i < dev->_audio_lines_count; i++) {
char buf[AUDIO_LINE_SIZE];
int n = kernel_read(file, offset, buf,
AUDIO_LINE_SIZE);
if (n < AUDIO_LINE_SIZE) {
pr_info("Done: exit %s() since no more bytes to read from Audio file\n",
__func__);
dev->_audiofile_status = END_OF_FILE;
fput(file);
return 0;
}
if (p)
memcpy(p + offset, buf, n);
offset += n;
}
dev->_audioframe_count++;
}
dev->_audiofile_status = IN_PROGRESS;
fput(file);
return 0;
}
static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
const struct sram_channel *sram_ch,
int bpl)
{
int ret = 0;
dma_addr_t dma_addr;
dma_addr_t data_dma_addr;
cx25821_free_memory_audio(dev);
dev->_risc_virt_addr = pci_alloc_consistent(dev->pci,
dev->audio_upstream_riscbuf_size, &dma_addr);
dev->_risc_virt_start_addr = dev->_risc_virt_addr;
dev->_risc_phys_start_addr = dma_addr;
dev->_risc_phys_addr = dma_addr;
dev->_audiorisc_size = dev->audio_upstream_riscbuf_size;
if (!dev->_risc_virt_addr) {
printk(KERN_DEBUG
pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning\n"));
return -ENOMEM;
}
/* Clear out memory at address */
memset(dev->_risc_virt_addr, 0, dev->_audiorisc_size);
/* For Audio Data buffer allocation */
dev->_audiodata_buf_virt_addr = pci_alloc_consistent(dev->pci,
dev->audio_upstream_databuf_size, &data_dma_addr);
dev->_audiodata_buf_phys_addr = data_dma_addr;
dev->_audiodata_buf_size = dev->audio_upstream_databuf_size;
if (!dev->_audiodata_buf_virt_addr) {
printk(KERN_DEBUG
pr_fmt("ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning\n"));
return -ENOMEM;
}
/* Clear out memory at address */
memset(dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size);
ret = cx25821_openfile_audio(dev, sram_ch);
if (ret < 0)
return ret;
/* Creating RISC programs */
ret = cx25821_risc_buffer_upstream_audio(dev, dev->pci, bpl,
dev->_audio_lines_count);
if (ret < 0) {
printk(KERN_DEBUG
pr_fmt("ERROR creating audio upstream RISC programs!\n"));
goto error;
}
return 0;
error:
return ret;
}
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
u32 status)
{
int i = 0;
u32 int_msk_tmp;
const struct sram_channel *channel = dev->channels[chan_num].sram_channels;
dma_addr_t risc_phys_jump_addr;
__le32 *rp;
if (status & FLD_AUD_SRC_RISCI1) {
/* Get interrupt_index of the program that interrupted */
u32 prog_cnt = cx_read(channel->gpcnt);
/* Since we've identified our IRQ, clear our bits from the
* interrupt mask and interrupt status registers */
cx_write(channel->int_msk, 0);
cx_write(channel->int_stat, cx_read(channel->int_stat));
spin_lock(&dev->slock);
while (prog_cnt != dev->_last_index_irq) {
/* Update _last_index_irq */
if (dev->_last_index_irq < (NUMBER_OF_PROGRAMS - 1))
dev->_last_index_irq++;
else
dev->_last_index_irq = 0;
dev->_audioframe_index = dev->_last_index_irq;
queue_work(dev->_irq_audio_queues,
&dev->_audio_work_entry);
}
if (dev->_is_first_audio_frame) {
dev->_is_first_audio_frame = 0;
if (dev->_risc_virt_start_addr != NULL) {
risc_phys_jump_addr =
dev->_risc_phys_start_addr +
RISC_SYNC_INSTRUCTION_SIZE +
AUDIO_RISC_DMA_BUF_SIZE;
rp = cx25821_risc_field_upstream_audio(dev,
dev->_risc_virt_start_addr + 1,
dev->_audiodata_buf_phys_addr,
AUDIO_LINE_SIZE, FIFO_DISABLE);
if (USE_RISC_NOOP_AUDIO) {
for (i = 0; i < NUM_NO_OPS; i++) {
*(rp++) =
cpu_to_le32(RISC_NOOP);
}
}
/* Jump to 2nd Audio Frame */
*(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 |
RISC_CNT_RESET);
*(rp++) = cpu_to_le32(risc_phys_jump_addr);
*(rp++) = cpu_to_le32(0);
}
}
spin_unlock(&dev->slock);
} else {
if (status & FLD_AUD_SRC_OF)
pr_warn("%s(): Audio Received Overflow Error Interrupt!\n",
__func__);
if (status & FLD_AUD_SRC_SYNC)
pr_warn("%s(): Audio Received Sync Error Interrupt!\n",
__func__);
if (status & FLD_AUD_SRC_OPC_ERR)
pr_warn("%s(): Audio Received OpCode Error Interrupt!\n",
__func__);
/* Read and write back the interrupt status register to clear
* our bits */
cx_write(channel->int_stat, cx_read(channel->int_stat));
}
if (dev->_audiofile_status == END_OF_FILE) {
pr_warn("EOF Channel Audio Framecount = %d\n",
dev->_audioframe_count);
return -1;
}
/* ElSE, set the interrupt mask register, re-enable irq. */
int_msk_tmp = cx_read(channel->int_msk);
cx_write(channel->int_msk, int_msk_tmp |= _intr_msk);
return 0;
}
static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
{
struct cx25821_dev *dev = dev_id;
[media] cx25821: fix compiler warnings media_build/v4l/cx25821-core.c: In function 'cx_i2c_read_print': media_build/v4l/cx25821-core.c:386:6: warning: variable 'value' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-core.c: In function 'cx25821_dev_setup': media_build/v4l/cx25821-core.c:899:6: warning: variable 'io_size' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-core.c: In function 'cx25821_irq': media_build/v4l/cx25821-core.c:1321:18: warning: variable 'pci_mask' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-i2c.c: In function 'cx25821_i2c_read': media_build/v4l/cx25821-i2c.c:365:6: warning: variable 'retval' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-medusa-video.c: In function 'medusa_enable_bluefield_output': media_build/v4l/cx25821-medusa-video.c:39:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-medusa-video.c: In function 'medusa_set_resolution': media_build/v4l/cx25821-medusa-video.c:435:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-medusa-video.c: In function 'medusa_set_decoderduration': media_build/v4l/cx25821-medusa-video.c:498:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-video.c: In function 'cx25821_dump_video_queue': media_build/v4l/cx25821-video.c:116:25: warning: variable 'buf' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-video.c: In function 'cx25821_buffer_prepare': media_build/v4l/cx25821-video.c:561:20: warning: variable 'line1_offset' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-video.c: In function 'video_ioctl_set': media_build/v4l/cx25821-video.c:1834:6: warning: variable 'value' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-video-upstream.c: In function 'cx25821_upstream_irq': media_build/v4l/cx25821-video-upstream.c:641:6: warning: variable 'msk_stat' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-video-upstream-ch2.c: In function 'cx25821_upstream_irq_ch2': media_build/v4l/cx25821-video-upstream-ch2.c:591:6: warning: variable 'msk_stat' set but not used [-Wunused-but-set-variable] media_build/v4l/cx25821-audio-upstream.c: In function 'cx25821_upstream_irq_audio': media_build/v4l/cx25821-audio-upstream.c:589:6: warning: variable 'msk_stat' set but not used [-Wunused-but-set-variable] Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-04-20 17:26:19 +08:00
u32 audio_status;
int handled = 0;
const struct sram_channel *sram_ch;
if (!dev)
return -1;
sram_ch = dev->channels[dev->_audio_upstream_channel].sram_channels;
audio_status = cx_read(sram_ch->int_stat);
/* Only deal with our interrupt */
if (audio_status) {
handled = cx25821_audio_upstream_irq(dev,
dev->_audio_upstream_channel, audio_status);
}
if (handled < 0)
cx25821_stop_upstream_audio(dev);
else
handled += handled;
return IRQ_RETVAL(handled);
}
static void cx25821_wait_fifo_enable(struct cx25821_dev *dev,
const struct sram_channel *sram_ch)
{
int count = 0;
u32 tmp;
do {
/* Wait 10 microsecond before checking to see if the FIFO is
* turned ON. */
udelay(10);
tmp = cx_read(sram_ch->dma_ctl);
/* 10 millisecond timeout */
if (count++ > 1000) {
pr_err("ERROR: %s() fifo is NOT turned on. Timeout!\n",
__func__);
return;
}
} while (!(tmp & sram_ch->fld_aud_fifo_en));
}
[media] cx25821: get rid of warning: no previous prototype drivers/media/pci/cx25821/cx25821-audio-upstream.c:136:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:200:6: warning: no previous prototype for 'cx25821_free_memory_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:259:5: warning: no previous prototype for 'cx25821_get_audio_data' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:354:5: warning: no previous prototype for 'cx25821_openfile_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:47:5: warning: no previous prototype for 'cx25821_sram_channel_setup_upstream_audio' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:493:5: warning: no previous prototype for 'cx25821_audio_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-audio-upstream.c:637:5: warning: no previous prototype for 'cx25821_start_audio_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:28:11: warning: no previous prototype for 'getBit' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:33:12: warning: no previous prototype for 'clearBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-biffuncs.h:38:12: warning: no previous prototype for 'setBitAtPos' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-i2c.c:332:6: warning: no previous prototype for 'cx25821_av_clk' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:294:5: warning: no previous prototype for 'cx25821_restart_video_queue' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video.c:345:6: warning: no previous prototype for 'cx25821_vid_timeout' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:176:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:303:5: warning: no previous prototype for 'cx25821_get_frame' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:408:5: warning: no previous prototype for 'cx25821_openfile' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:489:5: warning: no previous prototype for 'cx25821_upstream_buffer_prepare' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:551:5: warning: no previous prototype for 'cx25821_video_upstream_irq' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:667:6: warning: no previous prototype for 'cx25821_set_pixelengine' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream.c:699:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:126:5: warning: no previous prototype for 'cx25821_risc_buffer_upstream_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:258:5: warning: no previous prototype for 'cx25821_get_frame_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:363:5: warning: no previous prototype for 'cx25821_openfile_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:510:5: warning: no previous prototype for 'cx25821_video_upstream_irq_ch2' [-Wmissing-prototypes] drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c:650:5: warning: no previous prototype for 'cx25821_start_video_dma_upstream_ch2' [-Wmissing-prototypes] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-10-27 23:42:59 +08:00
static int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
const struct sram_channel *sram_ch)
{
u32 tmp = 0;
int err = 0;
/* Set the physical start address of the RISC program in the initial
* program counter(IPC) member of the CMDS. */
cx_write(sram_ch->cmds_start + 0, dev->_risc_phys_addr);
/* Risc IPC High 64 bits 63-32 */
cx_write(sram_ch->cmds_start + 4, 0);
/* reset counter */
cx_write(sram_ch->gpcnt_ctl, 3);
/* Set the line length (It looks like we do not need to set the
* line length) */
cx_write(sram_ch->aud_length, AUDIO_LINE_SIZE & FLD_AUD_DST_LN_LNGTH);
/* Set the input mode to 16-bit */
tmp = cx_read(sram_ch->aud_cfg);
tmp |= FLD_AUD_SRC_ENABLE | FLD_AUD_DST_PK_MODE | FLD_AUD_CLK_ENABLE |
FLD_AUD_MASTER_MODE | FLD_AUD_CLK_SELECT_PLL_D |
FLD_AUD_SONY_MODE;
cx_write(sram_ch->aud_cfg, tmp);
/* Read and write back the interrupt status register to clear it */
tmp = cx_read(sram_ch->int_stat);
cx_write(sram_ch->int_stat, tmp);
/* Clear our bits from the interrupt status register. */
cx_write(sram_ch->int_stat, _intr_msk);
/* Set the interrupt mask register, enable irq. */
cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp |= _intr_msk);
err = request_irq(dev->pci->irq, cx25821_upstream_irq_audio,
IRQF_SHARED, dev->name, dev);
if (err < 0) {
pr_err("%s: can't get upstream IRQ %d\n", dev->name,
dev->pci->irq);
goto fail_irq;
}
/* Start the DMA engine */
tmp = cx_read(sram_ch->dma_ctl);
cx_set(sram_ch->dma_ctl, tmp | sram_ch->fld_aud_risc_en);
dev->_audio_is_running = 1;
dev->_is_first_audio_frame = 1;
/* The fifo_en bit turns on by the first Risc program */
cx25821_wait_fifo_enable(dev, sram_ch);
return 0;
fail_irq:
cx25821_dev_unregister(dev);
return err;
}
int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
{
const struct sram_channel *sram_ch;
int err = 0;
if (dev->_audio_is_running) {
pr_warn("Audio Channel is still running so return!\n");
return 0;
}
dev->_audio_upstream_channel = channel_select;
sram_ch = dev->channels[channel_select].sram_channels;
/* Work queue */
INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler);
dev->_irq_audio_queues =
create_singlethread_workqueue("cx25821_audioworkqueue");
if (!dev->_irq_audio_queues) {
printk(KERN_DEBUG
pr_fmt("ERROR: create_singlethread_workqueue() for Audio FAILED!\n"));
return -ENOMEM;
}
dev->_last_index_irq = 0;
dev->_audio_is_running = 0;
dev->_audioframe_count = 0;
dev->_audiofile_status = RESET_STATUS;
dev->_audio_lines_count = LINES_PER_AUDIO_BUFFER;
_line_size = AUDIO_LINE_SIZE;
if ((dev->input_audiofilename) &&
(strcmp(dev->input_audiofilename, "") != 0))
dev->_audiofilename = kstrdup(dev->input_audiofilename,
GFP_KERNEL);
else
dev->_audiofilename = kstrdup(_defaultAudioName,
GFP_KERNEL);
if (!dev->_audiofilename) {
err = -ENOMEM;
goto error;
}
cx25821_sram_channel_setup_upstream_audio(dev, sram_ch,
_line_size, 0);
dev->audio_upstream_riscbuf_size =
AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS +
RISC_SYNC_INSTRUCTION_SIZE;
dev->audio_upstream_databuf_size = AUDIO_DATA_BUF_SZ * NUM_AUDIO_PROGS;
/* Allocating buffers and prepare RISC program */
err = cx25821_audio_upstream_buffer_prepare(dev, sram_ch,
_line_size);
if (err < 0) {
pr_err("%s: Failed to set up Audio upstream buffers!\n",
dev->name);
goto error;
}
/* Start RISC engine */
cx25821_start_audio_dma_upstream(dev, sram_ch);
return 0;
error:
cx25821_dev_unregister(dev);
return err;
}