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path: root/drivers/media/pci/cx88/cx88-mpeg.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-mpeg.c')
-rw-r--r--drivers/media/pci/cx88/cx88-mpeg.c315
1 files changed, 152 insertions, 163 deletions
diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index 245357adbc25..52ff00ebd4bd 100644
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -16,21 +16,17 @@
* 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.
*/
+#include "cx88.h"
+
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
-#include <asm/delay.h>
-
-#include "cx88.h"
+#include <linux/delay.h>
/* ------------------------------------------------------------------ */
@@ -42,23 +38,20 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(CX88_VERSION);
static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages [mpeg]");
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages [mpeg]");
-#define dprintk(level, fmt, arg...) do { \
- if (debug + 1 > level) \
- printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg); \
-} while(0)
-
-#define mpeg_dbg(level, fmt, arg...) do { \
- if (debug + 1 > level) \
- printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg); \
-} while(0)
+#define dprintk(level, fmt, arg...) do { \
+ if (debug + 1 > level) \
+ printk(KERN_DEBUG pr_fmt("%s: mpeg:" fmt), \
+ __func__, ##arg); \
+} while (0)
#if defined(CONFIG_MODULES) && defined(MODULE)
static void request_module_async(struct work_struct *work)
{
- struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk);
+ struct cx8802_dev *dev = container_of(work, struct cx8802_dev,
+ request_module_wk);
if (dev->core->board.mpeg & CX88_MPEG_DVB)
request_module("cx88-dvb");
@@ -81,18 +74,17 @@ static void flush_request_modules(struct cx8802_dev *dev)
#define flush_request_modules(dev)
#endif /* CONFIG_MODULES */
-
static LIST_HEAD(cx8802_devlist);
static DEFINE_MUTEX(cx8802_mutex);
/* ------------------------------------------------------------------ */
int cx8802_start_dma(struct cx8802_dev *dev,
- struct cx88_dmaqueue *q,
- struct cx88_buffer *buf)
+ struct cx88_dmaqueue *q,
+ struct cx88_buffer *buf)
{
struct cx88_core *core = dev->core;
- dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n",
+ dprintk(1, "w: %d, h: %d, f: %d\n",
core->width, core->height, core->field);
/* setup fifo + format */
@@ -102,33 +94,35 @@ int cx8802_start_dma(struct cx8802_dev *dev,
/* write TS length to chip */
cx_write(MO_TS_LNGTH, dev->ts_packet_size);
- /* FIXME: this needs a review.
- * also: move to cx88-blackbird + cx88-dvb source files? */
+ /*
+ * FIXME: this needs a review.
+ * also: move to cx88-blackbird + cx88-dvb source files?
+ */
- dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id);
+ dprintk(1, "core->active_type_id = 0x%08x\n", core->active_type_id);
- if ( (core->active_type_id == CX88_MPEG_DVB) &&
- (core->board.mpeg & CX88_MPEG_DVB) ) {
-
- dprintk( 1, "cx8802_start_dma doing .dvb\n");
+ if ((core->active_type_id == CX88_MPEG_DVB) &&
+ (core->board.mpeg & CX88_MPEG_DVB)) {
+ dprintk(1, "cx8802_start_dma doing .dvb\n");
/* negedge driven & software reset */
cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl);
udelay(100);
cx_write(MO_PINMUX_IO, 0x00);
- cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01);
+ cx_write(TS_HW_SOP_CNTRL, 0x47 << 16 | 188 << 4 | 0x01);
switch (core->boardnr) {
case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
case CX88_BOARD_PCHDTV_HD5500:
- cx_write(TS_SOP_STAT, 1<<13);
+ cx_write(TS_SOP_STAT, 1 << 13);
break;
case CX88_BOARD_SAMSUNG_SMT_7020:
cx_write(TS_SOP_STAT, 0x00);
break;
case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
- cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */
+ /* Enable MPEG parallel IO and video signal pins */
+ cx_write(MO_PINMUX_IO, 0x88);
udelay(100);
break;
case CX88_BOARD_HAUPPAUGE_HVR1300:
@@ -152,22 +146,24 @@ int cx8802_start_dma(struct cx8802_dev *dev,
}
cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl);
udelay(100);
- } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) &&
- (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) {
- dprintk( 1, "cx8802_start_dma doing .blackbird\n");
+ } else if ((core->active_type_id == CX88_MPEG_BLACKBIRD) &&
+ (core->board.mpeg & CX88_MPEG_BLACKBIRD)) {
+ dprintk(1, "cx8802_start_dma doing .blackbird\n");
cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */
- cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */
+ /* punctured clock TS & posedge driven & software reset */
+ cx_write(TS_GEN_CNTRL, 0x46);
udelay(100);
cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */
cx_write(TS_VALERR_CNTRL, 0x2000);
- cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */
+ /* punctured clock TS & posedge driven */
+ cx_write(TS_GEN_CNTRL, 0x06);
udelay(100);
} else {
- printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__,
- core->board.mpeg );
+ pr_err("%s() Failed. Unsupported value in .mpeg (0x%08x)\n",
+ __func__, core->board.mpeg);
return -EINVAL;
}
@@ -176,20 +172,22 @@ int cx8802_start_dma(struct cx8802_dev *dev,
q->count = 0;
/* enable irqs */
- dprintk( 1, "setting the interrupt mask\n" );
+ dprintk(1, "setting the interrupt mask\n");
cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT);
cx_set(MO_TS_INTMSK, 0x1f0011);
/* start dma */
- cx_set(MO_DEV_CNTRL2, (1<<5));
+ cx_set(MO_DEV_CNTRL2, (1 << 5));
cx_set(MO_TS_DMACNTRL, 0x11);
return 0;
}
+EXPORT_SYMBOL(cx8802_start_dma);
static int cx8802_stop_dma(struct cx8802_dev *dev)
{
struct cx88_core *core = dev->core;
- dprintk( 1, "cx8802_stop_dma\n" );
+
+ dprintk(1, "\n");
/* stop dma */
cx_clear(MO_TS_DMACNTRL, 0x11);
@@ -208,12 +206,12 @@ static int cx8802_restart_queue(struct cx8802_dev *dev,
{
struct cx88_buffer *buf;
- dprintk( 1, "cx8802_restart_queue\n" );
+ dprintk(1, "\n");
if (list_empty(&q->active))
return 0;
buf = list_entry(q->active.next, struct cx88_buffer, list);
- dprintk(2,"restart_queue [%p/%d]: restart dma\n",
+ dprintk(2, "restart_queue [%p/%d]: restart dma\n",
buf, buf->vb.vb2_buf.index);
cx8802_start_dma(dev, q, buf);
return 0;
@@ -222,7 +220,7 @@ static int cx8802_restart_queue(struct cx8802_dev *dev,
/* ------------------------------------------------------------------ */
int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
- struct cx88_buffer *buf)
+ struct cx88_buffer *buf)
{
int size = dev->ts_packet_size * dev->ts_packet_count;
struct sg_table *sgt = vb2_dma_sg_plane_desc(&buf->vb.vb2_buf, 0);
@@ -234,43 +232,46 @@ int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
rc = cx88_risc_databuffer(dev->pci, risc, sgt->sgl,
- dev->ts_packet_size, dev->ts_packet_count, 0);
+ dev->ts_packet_size, dev->ts_packet_count, 0);
if (rc) {
if (risc->cpu)
- pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
+ pci_free_consistent(dev->pci, risc->size,
+ risc->cpu, risc->dma);
memset(risc, 0, sizeof(*risc));
return rc;
}
return 0;
}
+EXPORT_SYMBOL(cx8802_buf_prepare);
void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf)
{
struct cx88_buffer *prev;
struct cx88_dmaqueue *cx88q = &dev->mpegq;
- dprintk( 1, "cx8802_buf_queue\n" );
+ dprintk(1, "\n");
/* add jump to start */
buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
if (list_empty(&cx88q->active)) {
- dprintk( 1, "queue is empty - first active\n" );
+ dprintk(1, "queue is empty - first active\n");
list_add_tail(&buf->list, &cx88q->active);
- dprintk(1,"[%p/%d] %s - first active\n",
+ dprintk(1, "[%p/%d] %s - first active\n",
buf, buf->vb.vb2_buf.index, __func__);
} else {
buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
- dprintk( 1, "queue is not empty - append to active\n" );
+ dprintk(1, "queue is not empty - append to active\n");
prev = list_entry(cx88q->active.prev, struct cx88_buffer, list);
list_add_tail(&buf->list, &cx88q->active);
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
- dprintk( 1, "[%p/%d] %s - append to active\n",
+ dprintk(1, "[%p/%d] %s - append to active\n",
buf, buf->vb.vb2_buf.index, __func__);
}
}
+EXPORT_SYMBOL(cx8802_buf_queue);
/* ----------------------------------------------------------- */
@@ -280,23 +281,24 @@ static void do_cancel_buffers(struct cx8802_dev *dev)
struct cx88_buffer *buf;
unsigned long flags;
- spin_lock_irqsave(&dev->slock,flags);
+ spin_lock_irqsave(&dev->slock, flags);
while (!list_empty(&q->active)) {
buf = list_entry(q->active.next, struct cx88_buffer, list);
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
}
- spin_unlock_irqrestore(&dev->slock,flags);
+ spin_unlock_irqrestore(&dev->slock, flags);
}
void cx8802_cancel_buffers(struct cx8802_dev *dev)
{
- dprintk( 1, "cx8802_cancel_buffers" );
+ dprintk(1, "\n");
cx8802_stop_dma(dev);
do_cancel_buffers(dev);
}
+EXPORT_SYMBOL(cx8802_cancel_buffers);
-static const char * cx88_mpeg_irqs[32] = {
+static const char *cx88_mpeg_irqs[32] = {
"ts_risci1", NULL, NULL, NULL,
"ts_risci2", NULL, NULL, NULL,
"ts_oflow", NULL, NULL, NULL,
@@ -310,7 +312,7 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
struct cx88_core *core = dev->core;
u32 status, mask, count;
- dprintk( 1, "cx8802_mpeg_irq\n" );
+ dprintk(1, "\n");
status = cx_read(MO_TS_INTSTAT);
mask = cx_read(MO_TS_INTMSK);
if (0 == (status & mask))
@@ -319,20 +321,21 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
cx_write(MO_TS_INTSTAT, status);
if (debug || (status & mask & ~0xff))
- cx88_print_irqbits(core->name, "irq mpeg ",
+ cx88_print_irqbits("irq mpeg ",
cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs),
status, mask);
/* risc op code error */
if (status & (1 << 16)) {
- printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name);
+ pr_warn("mpeg risc op code error\n");
cx_clear(MO_TS_DMACNTRL, 0x11);
- cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]);
+ cx88_sram_channel_dump(dev->core,
+ &cx88_sram_channels[SRAM_CH28]);
}
/* risc1 y */
if (status & 0x01) {
- dprintk( 1, "wake up\n" );
+ dprintk(1, "wake up\n");
spin_lock(&dev->slock);
count = cx_read(MO_TS_GPCNT);
cx88_wakeup(dev->core, &dev->mpegq, count);
@@ -341,7 +344,7 @@ static void cx8802_mpeg_irq(struct cx8802_dev *dev)
/* other general errors */
if (status & 0x1f0100) {
- dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 );
+ dprintk(0, "general errors: 0x%08x\n", status & 0x1f0100);
spin_lock(&dev->slock);
cx8802_stop_dma(dev);
spin_unlock(&dev->slock);
@@ -360,24 +363,23 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id)
for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
status = cx_read(MO_PCI_INTSTAT) &
(core->pci_irqmask | PCI_INT_TSINT);
- if (0 == status)
+ if (status == 0)
goto out;
- dprintk( 1, "cx8802_irq\n" );
- dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP );
- dprintk( 1, " status: %d\n", status );
+ dprintk(1, "cx8802_irq\n");
+ dprintk(1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP);
+ dprintk(1, " status: %d\n", status);
handled = 1;
cx_write(MO_PCI_INTSTAT, status);
if (status & core->pci_irqmask)
- cx88_core_irq(core,status);
+ cx88_core_irq(core, status);
if (status & PCI_INT_TSINT)
cx8802_mpeg_irq(dev);
}
- if (MAX_IRQ_LOOP == loop) {
- dprintk( 0, "clearing mask\n" );
- printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
- core->name);
- cx_write(MO_PCI_INTMSK,0);
+ if (loop == MAX_IRQ_LOOP) {
+ dprintk(0, "clearing mask\n");
+ pr_warn("irq loop -- clearing mask\n");
+ cx_write(MO_PCI_INTMSK, 0);
}
out:
@@ -393,18 +395,18 @@ static int cx8802_init_common(struct cx8802_dev *dev)
if (pci_enable_device(dev->pci))
return -EIO;
pci_set_master(dev->pci);
- err = pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32));
+ err = pci_set_dma_mask(dev->pci, DMA_BIT_MASK(32));
if (err) {
- printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
+ pr_err("Oops: no 32bit PCI DMA ???\n");
return -EIO;
}
dev->pci_rev = dev->pci->revision;
pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat);
- printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, "
- "latency: %d, mmio: 0x%llx\n", dev->core->name,
- pci_name(dev->pci), dev->pci_rev, dev->pci->irq,
- dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0));
+ pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
+ pci_name(dev->pci), dev->pci_rev, dev->pci->irq,
+ dev->pci_lat,
+ (unsigned long long)pci_resource_start(dev->pci, 0));
/* initialize driver struct */
spin_lock_init(&dev->slock);
@@ -416,20 +418,19 @@ static int cx8802_init_common(struct cx8802_dev *dev)
err = request_irq(dev->pci->irq, cx8802_irq,
IRQF_SHARED, dev->core->name, dev);
if (err < 0) {
- printk(KERN_ERR "%s: can't get IRQ %d\n",
- dev->core->name, dev->pci->irq);
+ pr_err("can't get IRQ %d\n", dev->pci->irq);
return err;
}
cx_set(MO_PCI_INTMSK, core->pci_irqmask);
/* everything worked */
- pci_set_drvdata(dev->pci,dev);
+ pci_set_drvdata(dev->pci, dev);
return 0;
}
static void cx8802_fini_common(struct cx8802_dev *dev)
{
- dprintk( 2, "cx8802_fini_common\n" );
+ dprintk(2, "\n");
cx8802_stop_dma(dev);
pci_disable_device(dev->pci);
@@ -442,14 +443,13 @@ static void cx8802_fini_common(struct cx8802_dev *dev)
static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
{
struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
- struct cx88_core *core = dev->core;
unsigned long flags;
/* stop mpeg dma */
spin_lock_irqsave(&dev->slock, flags);
if (!list_empty(&dev->mpegq.active)) {
- dprintk( 2, "suspend\n" );
- printk("%s: suspend mpeg\n", core->name);
+ dprintk(2, "suspend\n");
+ pr_info("suspend mpeg\n");
cx8802_stop_dma(dev);
}
spin_unlock_irqrestore(&dev->slock, flags);
@@ -458,7 +458,8 @@ static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
cx88_shutdown(dev->core);
pci_save_state(pci_dev);
- if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
+ if (pci_set_power_state(pci_dev,
+ pci_choose_state(pci_dev, state)) != 0) {
pci_disable_device(pci_dev);
dev->state.disabled = 1;
}
@@ -468,23 +469,20 @@ static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state)
static int cx8802_resume_common(struct pci_dev *pci_dev)
{
struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
- struct cx88_core *core = dev->core;
unsigned long flags;
int err;
if (dev->state.disabled) {
- err=pci_enable_device(pci_dev);
+ err = pci_enable_device(pci_dev);
if (err) {
- printk(KERN_ERR "%s: can't enable device\n",
- dev->core->name);
+ pr_err("can't enable device\n");
return err;
}
dev->state.disabled = 0;
}
- err=pci_set_power_state(pci_dev, PCI_D0);
+ err = pci_set_power_state(pci_dev, PCI_D0);
if (err) {
- printk(KERN_ERR "%s: can't enable device\n",
- dev->core->name);
+ pr_err("can't enable device\n");
pci_disable_device(pci_dev);
dev->state.disabled = 1;
@@ -498,15 +496,16 @@ static int cx8802_resume_common(struct pci_dev *pci_dev)
/* restart video+vbi capture */
spin_lock_irqsave(&dev->slock, flags);
if (!list_empty(&dev->mpegq.active)) {
- printk("%s: resume mpeg\n", core->name);
- cx8802_restart_queue(dev,&dev->mpegq);
+ pr_info("resume mpeg\n");
+ cx8802_restart_queue(dev, &dev->mpegq);
}
spin_unlock_irqrestore(&dev->slock, flags);
return 0;
}
-struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype)
+struct cx8802_driver *cx8802_get_driver(struct cx8802_dev *dev,
+ enum cx88_board_type btype)
{
struct cx8802_driver *d;
@@ -516,6 +515,7 @@ struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board
return NULL;
}
+EXPORT_SYMBOL(cx8802_get_driver);
/* Driver asked for hardware access. */
static int cx8802_request_acquire(struct cx8802_driver *drv)
@@ -533,7 +533,8 @@ static int cx8802_request_acquire(struct cx8802_driver *drv)
core->last_analog_input = core->input;
core->input = 0;
for (i = 0;
- i < (sizeof(core->board.input) / sizeof(struct cx88_input));
+ i < (sizeof(core->board.input) /
+ sizeof(struct cx88_input));
i++) {
if (core->board.input[i].type == CX88_VMUX_DVB) {
core->input = i;
@@ -542,15 +543,14 @@ static int cx8802_request_acquire(struct cx8802_driver *drv)
}
}
- if (drv->advise_acquire)
- {
+ if (drv->advise_acquire) {
core->active_ref++;
if (core->active_type_id == CX88_BOARD_NONE) {
core->active_type_id = drv->type_id;
drv->advise_acquire(drv);
}
- mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO));
+ dprintk(1, "Post acquire GPIO=%x\n", cx_read(MO_GP0_IO));
}
return 0;
@@ -561,17 +561,18 @@ static int cx8802_request_release(struct cx8802_driver *drv)
{
struct cx88_core *core = drv->core;
- if (drv->advise_release && --core->active_ref == 0)
- {
+ if (drv->advise_release && --core->active_ref == 0) {
if (drv->type_id == CX88_MPEG_DVB) {
- /* If the DVB driver is releasing, reset the input
- state to the last configured analog input */
+ /*
+ * If the DVB driver is releasing, reset the input
+ * state to the last configured analog input
+ */
core->input = core->last_analog_input;
}
drv->advise_release(drv);
core->active_type_id = CX88_BOARD_NONE;
- mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO));
+ dprintk(1, "Post release GPIO=%x\n", cx_read(MO_GP0_IO));
}
return 0;
@@ -579,21 +580,21 @@ static int cx8802_request_release(struct cx8802_driver *drv)
static int cx8802_check_driver(struct cx8802_driver *drv)
{
- if (drv == NULL)
+ if (!drv)
return -ENODEV;
if ((drv->type_id != CX88_MPEG_DVB) &&
- (drv->type_id != CX88_MPEG_BLACKBIRD))
+ (drv->type_id != CX88_MPEG_BLACKBIRD))
return -EINVAL;
if ((drv->hw_access != CX8802_DRVCTL_SHARED) &&
- (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE))
+ (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE))
return -EINVAL;
- if ((drv->probe == NULL) ||
- (drv->remove == NULL) ||
- (drv->advise_acquire == NULL) ||
- (drv->advise_release == NULL))
+ if ((!drv->probe) ||
+ (!drv->remove) ||
+ (!drv->advise_acquire) ||
+ (!drv->advise_release))
return -EINVAL;
return 0;
@@ -605,28 +606,28 @@ int cx8802_register_driver(struct cx8802_driver *drv)
struct cx8802_driver *driver;
int err, i = 0;
- printk(KERN_INFO
- "cx88/2: registering cx8802 driver, type: %s access: %s\n",
- drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
- drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
+ pr_info("registering cx8802 driver, type: %s access: %s\n",
+ drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
+ drv->hw_access == CX8802_DRVCTL_SHARED ?
+ "shared" : "exclusive");
- if ((err = cx8802_check_driver(drv)) != 0) {
- printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n");
+ err = cx8802_check_driver(drv);
+ if (err) {
+ pr_err("cx8802_driver is invalid\n");
return err;
}
mutex_lock(&cx8802_mutex);
list_for_each_entry(dev, &cx8802_devlist, devlist) {
- printk(KERN_INFO
- "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
- dev->core->name, dev->pci->subsystem_vendor,
- dev->pci->subsystem_device, dev->core->board.name,
- dev->core->boardnr);
+ pr_info("subsystem: %04x:%04x, board: %s [card=%d]\n",
+ dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, dev->core->board.name,
+ dev->core->boardnr);
/* Bring up a new struct for each driver instance */
- driver = kzalloc(sizeof(*drv),GFP_KERNEL);
- if (driver == NULL) {
+ driver = kzalloc(sizeof(*drv), GFP_KERNEL);
+ if (!driver) {
err = -ENOMEM;
goto out;
}
@@ -645,9 +646,7 @@ int cx8802_register_driver(struct cx8802_driver *drv)
i++;
list_add_tail(&driver->drvlist, &dev->drvlist);
} else {
- printk(KERN_ERR
- "%s/2: cx8802 probe failed, err = %d\n",
- dev->core->name, err);
+ pr_err("cx8802 probe failed, err = %d\n", err);
}
mutex_unlock(&drv->core->lock);
}
@@ -657,6 +656,7 @@ out:
mutex_unlock(&cx8802_mutex);
return err;
}
+EXPORT_SYMBOL(cx8802_register_driver);
int cx8802_unregister_driver(struct cx8802_driver *drv)
{
@@ -664,19 +664,18 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
struct cx8802_driver *d, *dtmp;
int err = 0;
- printk(KERN_INFO
- "cx88/2: unregistering cx8802 driver, type: %s access: %s\n",
- drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
- drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
+ pr_info("unregistering cx8802 driver, type: %s access: %s\n",
+ drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
+ drv->hw_access == CX8802_DRVCTL_SHARED ?
+ "shared" : "exclusive");
mutex_lock(&cx8802_mutex);
list_for_each_entry(dev, &cx8802_devlist, devlist) {
- printk(KERN_INFO
- "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
- dev->core->name, dev->pci->subsystem_vendor,
- dev->pci->subsystem_device, dev->core->board.name,
- dev->core->boardnr);
+ pr_info("subsystem: %04x:%04x, board: %s [card=%d]\n",
+ dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, dev->core->board.name,
+ dev->core->boardnr);
mutex_lock(&dev->core->lock);
@@ -690,8 +689,8 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
list_del(&d->drvlist);
kfree(d);
} else
- printk(KERN_ERR "%s/2: cx8802 driver remove "
- "failed (%d)\n", dev->core->name, err);
+ pr_err("cx8802 driver remove failed (%d)\n",
+ err);
}
mutex_unlock(&dev->core->lock);
@@ -701,6 +700,7 @@ int cx8802_unregister_driver(struct cx8802_driver *drv)
return err;
}
+EXPORT_SYMBOL(cx8802_unregister_driver);
/* ----------------------------------------------------------- */
static int cx8802_probe(struct pci_dev *pci_dev,
@@ -712,18 +712,18 @@ static int cx8802_probe(struct pci_dev *pci_dev,
/* general setup */
core = cx88_core_get(pci_dev);
- if (NULL == core)
+ if (!core)
return -EINVAL;
- printk("%s/2: cx2388x 8802 Driver Manager\n", core->name);
+ pr_info("cx2388x 8802 Driver Manager\n");
err = -ENODEV;
if (!core->board.mpeg)
goto fail_core;
err = -ENOMEM;
- dev = kzalloc(sizeof(*dev),GFP_KERNEL);
- if (NULL == dev)
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev)
goto fail_core;
dev->pci = pci_dev;
dev->core = core;
@@ -737,7 +737,7 @@ static int cx8802_probe(struct pci_dev *pci_dev,
INIT_LIST_HEAD(&dev->drvlist);
mutex_lock(&cx8802_mutex);
- list_add_tail(&dev->devlist,&cx8802_devlist);
+ list_add_tail(&dev->devlist, &cx8802_devlist);
mutex_unlock(&cx8802_mutex);
/* now autoload cx88-dvb or cx88-blackbird */
@@ -748,7 +748,7 @@ static int cx8802_probe(struct pci_dev *pci_dev,
kfree(dev);
fail_core:
core->dvbdev = NULL;
- cx88_core_put(core,pci_dev);
+ cx88_core_put(core, pci_dev);
return err;
}
@@ -758,7 +758,7 @@ static void cx8802_remove(struct pci_dev *pci_dev)
dev = pci_get_drvdata(pci_dev);
- dprintk( 1, "%s\n", __func__);
+ dprintk(1, "%s\n", __func__);
flush_request_modules(dev);
@@ -768,17 +768,15 @@ static void cx8802_remove(struct pci_dev *pci_dev)
struct cx8802_driver *drv, *tmp;
int err;
- printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver "
- "while cx8802 sub-drivers still loaded?!\n",
- dev->core->name);
+ pr_warn("Trying to remove cx8802 driver while cx8802 sub-drivers still loaded?!\n");
list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) {
err = drv->remove(drv);
if (err == 0) {
list_del(&drv->drvlist);
} else
- printk(KERN_ERR "%s/2: cx8802 driver remove "
- "failed (%d)\n", dev->core->name, err);
+ pr_err("cx8802 driver remove failed (%d)\n",
+ err);
kfree(drv);
}
}
@@ -790,7 +788,7 @@ static void cx8802_remove(struct pci_dev *pci_dev)
/* common */
cx8802_fini_common(dev);
- cx88_core_put(dev->core,dev->pci);
+ cx88_core_put(dev->core, dev->pci);
kfree(dev);
}
@@ -800,7 +798,7 @@ static const struct pci_device_id cx8802_pci_tbl[] = {
.device = 0x8802,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- },{
+ }, {
/* --- end of list --- */
}
};
@@ -814,12 +812,3 @@ static struct pci_driver cx8802_pci_driver = {
};
module_pci_driver(cx8802_pci_driver);
-
-EXPORT_SYMBOL(cx8802_buf_prepare);
-EXPORT_SYMBOL(cx8802_buf_queue);
-EXPORT_SYMBOL(cx8802_cancel_buffers);
-EXPORT_SYMBOL(cx8802_start_dma);
-
-EXPORT_SYMBOL(cx8802_register_driver);
-EXPORT_SYMBOL(cx8802_unregister_driver);
-EXPORT_SYMBOL(cx8802_get_driver);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-08 03:45:58 +0300