aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb/mantis/mantis_dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/mantis/mantis_dma.c')
-rw-r--r--drivers/media/dvb/mantis/mantis_dma.c55
1 files changed, 36 insertions, 19 deletions
diff --git a/drivers/media/dvb/mantis/mantis_dma.c b/drivers/media/dvb/mantis/mantis_dma.c
index d15a1eb980c..8ebcd96b2b7 100644
--- a/drivers/media/dvb/mantis/mantis_dma.c
+++ b/drivers/media/dvb/mantis/mantis_dma.c
@@ -18,9 +18,25 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/kernel.h>
#include <asm/page.h>
#include <linux/vmalloc.h>
+#include <linux/pci.h>
+
+#include <asm/irq.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+#include "dvb_net.h"
+
#include "mantis_common.h"
+#include "mantis_reg.h"
+#include "mantis_dma.h"
#define RISC_WRITE (0x01 << 28)
#define RISC_JUMP (0x07 << 28)
@@ -38,7 +54,7 @@
int mantis_dma_exit(struct mantis_pci *mantis)
{
if (mantis->buf_cpu) {
- dprintk(verbose, MANTIS_ERROR, 1,
+ dprintk(MANTIS_ERROR, 1,
"DMA=0x%lx cpu=0x%p size=%d",
(unsigned long) mantis->buf_dma,
mantis->buf_cpu,
@@ -50,7 +66,7 @@ int mantis_dma_exit(struct mantis_pci *mantis)
mantis->buf_cpu = NULL;
}
if (mantis->risc_cpu) {
- dprintk(verbose, MANTIS_ERROR, 1,
+ dprintk(MANTIS_ERROR, 1,
"RISC=0x%lx cpu=0x%p size=%lx",
(unsigned long) mantis->risc_dma,
mantis->risc_cpu,
@@ -64,6 +80,7 @@ int mantis_dma_exit(struct mantis_pci *mantis)
return 0;
}
+EXPORT_SYMBOL_GPL(mantis_dma_exit);
static inline int mantis_alloc_buffers(struct mantis_pci *mantis)
{
@@ -72,12 +89,12 @@ static inline int mantis_alloc_buffers(struct mantis_pci *mantis)
MANTIS_BUF_SIZE,
&mantis->buf_dma);
if (!mantis->buf_cpu) {
- dprintk(verbose, MANTIS_ERROR, 1,
+ dprintk(MANTIS_ERROR, 1,
"DMA buffer allocation failed");
goto err;
}
- dprintk(verbose, MANTIS_ERROR, 1,
+ dprintk(MANTIS_ERROR, 1,
"DMA=0x%lx cpu=0x%p size=%d",
(unsigned long) mantis->buf_dma,
mantis->buf_cpu, MANTIS_BUF_SIZE);
@@ -88,14 +105,14 @@ static inline int mantis_alloc_buffers(struct mantis_pci *mantis)
&mantis->risc_dma);
if (!mantis->risc_cpu) {
- dprintk(verbose, MANTIS_ERROR, 1,
+ dprintk(MANTIS_ERROR, 1,
"RISC program allocation failed");
mantis_dma_exit(mantis);
goto err;
}
- dprintk(verbose, MANTIS_ERROR, 1,
+ dprintk(MANTIS_ERROR, 1,
"RISC=0x%lx cpu=0x%p size=%lx",
(unsigned long) mantis->risc_dma,
mantis->risc_cpu, MANTIS_RISC_SIZE);
@@ -103,7 +120,7 @@ static inline int mantis_alloc_buffers(struct mantis_pci *mantis)
return 0;
err:
- dprintk(verbose, MANTIS_ERROR, 1, "Out of memory (?) .....");
+ dprintk(MANTIS_ERROR, 1, "Out of memory (?) .....");
return -ENOMEM;
}
@@ -117,12 +134,11 @@ static inline int mantis_calc_lines(struct mantis_pci *mantis)
mantis->line_count <<= 1;
}
- dprintk(verbose, MANTIS_DEBUG, 1,
- "Mantis RISC block bytes=[%d], line bytes=[%d], line count=[%d]",
+ dprintk(MANTIS_DEBUG, 1, "Mantis RISC block bytes=[%d], line bytes=[%d], line count=[%d]",
MANTIS_BLOCK_BYTES, mantis->line_bytes, mantis->line_count);
if (mantis->line_count > 255) {
- dprintk(verbose, MANTIS_ERROR, 1, "Buffer size error");
+ dprintk(MANTIS_ERROR, 1, "Buffer size error");
return -EINVAL;
}
@@ -133,9 +149,9 @@ int mantis_dma_init(struct mantis_pci *mantis)
{
int err = 0;
- dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DMA init");
+ dprintk(MANTIS_DEBUG, 1, "Mantis DMA init");
if (mantis_alloc_buffers(mantis) < 0) {
- dprintk(verbose, MANTIS_ERROR, 1, "Error allocating DMA buffer");
+ dprintk(MANTIS_ERROR, 1, "Error allocating DMA buffer");
// Stop RISC Engine
// mmwrite(mmread(MANTIS_DMA_CTL) & ~MANTIS_RISC_EN, MANTIS_DMA_CTL);
@@ -144,7 +160,7 @@ int mantis_dma_init(struct mantis_pci *mantis)
goto err;
}
if ((err = mantis_calc_lines(mantis)) < 0) {
- dprintk(verbose, MANTIS_ERROR, 1, "Mantis calc lines failed");
+ dprintk(MANTIS_ERROR, 1, "Mantis calc lines failed");
goto err;
}
@@ -153,20 +169,21 @@ int mantis_dma_init(struct mantis_pci *mantis)
err:
return err;
}
+EXPORT_SYMBOL_GPL(mantis_dma_init);
static inline void mantis_risc_program(struct mantis_pci *mantis)
{
u32 buf_pos = 0;
u32 line;
- dprintk(verbose, MANTIS_DEBUG, 1, "Mantis create RISC program");
+ dprintk(MANTIS_DEBUG, 1, "Mantis create RISC program");
RISC_FLUSH();
- dprintk(verbose, MANTIS_DEBUG, 1, "risc len lines %u, bytes per line %u",
+ dprintk(MANTIS_DEBUG, 1, "risc len lines %u, bytes per line %u",
mantis->line_count, mantis->line_bytes);
for (line = 0; line < mantis->line_count; line++) {
- dprintk(verbose, MANTIS_DEBUG, 1, "RISC PROG line=[%d]", line);
+ dprintk(MANTIS_DEBUG, 1, "RISC PROG line=[%d]", line);
if (!(buf_pos % MANTIS_BLOCK_BYTES)) {
RISC_INSTR(RISC_WRITE |
RISC_IRQ |
@@ -186,7 +203,7 @@ static inline void mantis_risc_program(struct mantis_pci *mantis)
void mantis_dma_start(struct mantis_pci *mantis)
{
- dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Start DMA engine");
+ dprintk(MANTIS_DEBUG, 1, "Mantis Start DMA engine");
mantis_risc_program(mantis);
mmwrite(mantis->risc_dma, MANTIS_RISC_START);
@@ -208,7 +225,7 @@ void mantis_dma_stop(struct mantis_pci *mantis)
stat = mmread(MANTIS_INT_STAT);
mask = mmread(MANTIS_INT_MASK);
- dprintk(verbose, MANTIS_DEBUG, 1, "Mantis Stop DMA engine");
+ dprintk(MANTIS_DEBUG, 1, "Mantis Stop DMA engine");
mmwrite((mmread(MANTIS_GPIF_ADDR) & (~(MANTIS_GPIF_HIFRDWRN))), MANTIS_GPIF_ADDR);
@@ -229,7 +246,7 @@ void mantis_dma_xfer(unsigned long data)
struct mantis_hwconfig *config = mantis->hwconfig;
while (mantis->last_block != mantis->finished_block) {
- dprintk(verbose, MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]",
+ dprintk(MANTIS_DEBUG, 1, "last block=[%d] finished block=[%d]",
mantis->last_block, mantis->finished_block);
(config->ts_size ? dvb_dmx_swfilter_204: dvb_dmx_swfilter)
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-01 02:47:19 +0000