/*
- * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
- *
- * flexcop-pci.c - covers the PCI part including DMA transfers.
- *
- * see flexcop.c for copyright information.
+ * Linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ * flexcop-pci.c - covers the PCI part including DMA transfers
+ * see flexcop.c for copyright information
*/
#define FC_LOG_PREFIX "flexcop-pci"
static int enable_pid_filtering = 1;
module_param(enable_pid_filtering, int, 0444);
-MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1");
+MODULE_PARM_DESC(enable_pid_filtering,
+ "enable hardware pid filtering: supported values: 0 (fullts), 1");
static int irq_chk_intv = 100;
module_param(irq_chk_intv, int, 0644);
#define DEBSTATUS " (debugging is not enabled)"
#endif
-#define deb_info(args...) dprintk(0x01,args)
-#define deb_reg(args...) dprintk(0x02,args)
-#define deb_ts(args...) dprintk(0x04,args)
-#define deb_irq(args...) dprintk(0x08,args)
-#define deb_chk(args...) dprintk(0x10,args)
+#define deb_info(args...) dprintk(0x01, args)
+#define deb_reg(args...) dprintk(0x02, args)
+#define deb_ts(args...) dprintk(0x04, args)
+#define deb_irq(args...) dprintk(0x08, args)
+#define deb_chk(args...) dprintk(0x10, args)
static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug,
"set debug level (1=info,2=regs,4=TS,8=irqdma,16=check (|-able))."
- DEBSTATUS);
+ DEBSTATUS);
#define DRIVER_VERSION "0.1"
#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver"
void __iomem *io_mem;
u32 irq;
-/* buffersize (at least for DMA1, need to be % 188 == 0,
- * this logic is required */
+ /* buffersize (at least for DMA1, need to be % 188 == 0,
+ * this logic is required */
#define FC_DEFAULT_DMA1_BUFSIZE (1280 * 188)
#define FC_DEFAULT_DMA2_BUFSIZE (10 * 188)
struct flexcop_dma dma[2];
int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
- u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */
+ u32 last_dma1_cur_pos;
+ /* position of the pointer last time the timer/packet irq occurred */
int count;
int count_prev;
int stream_problem;
spinlock_t irq_lock;
-
unsigned long last_irq;
struct delayed_work irq_check_work;
-
struct flexcop_device *fc_dev;
};
-static int lastwreg,lastwval,lastrreg,lastrval;
+static int lastwreg, lastwval, lastrreg, lastrval;
-static flexcop_ibi_value flexcop_pci_read_ibi_reg (struct flexcop_device *fc, flexcop_ibi_register r)
+static flexcop_ibi_value flexcop_pci_read_ibi_reg(struct flexcop_device *fc,
+ flexcop_ibi_register r)
{
struct flexcop_pci *fc_pci = fc->bus_specific;
flexcop_ibi_value v;
if (lastrreg != r || lastrval != v.raw) {
lastrreg = r; lastrval = v.raw;
- deb_reg("new rd: %3x: %08x\n",r,v.raw);
+ deb_reg("new rd: %3x: %08x\n", r, v.raw);
}
return v;
}
-static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register r, flexcop_ibi_value v)
+static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc,
+ flexcop_ibi_register r, flexcop_ibi_value v)
{
struct flexcop_pci *fc_pci = fc->bus_specific;
if (lastwreg != r || lastwval != v.raw) {
lastwreg = r; lastwval = v.raw;
- deb_reg("new wr: %3x: %08x\n",r,v.raw);
+ deb_reg("new wr: %3x: %08x\n", r, v.raw);
}
writel(v.raw, fc_pci->io_mem + r);
deb_chk("no IRQ since the last check\n");
if (fc_pci->stream_problem++ == 3) {
struct dvb_demux_feed *feed;
+ deb_info("flexcop-pci: stream problem, resetting pid filter\n");
spin_lock_irq(&fc->demux.lock);
list_for_each_entry(feed, &fc->demux.feed_list,
- list_head) {
+ list_head) {
flexcop_pid_feed_control(fc, feed, 0);
}
list_for_each_entry(feed, &fc->demux.feed_list,
- list_head) {
+ list_head) {
flexcop_pid_feed_control(fc, feed, 1);
}
spin_unlock_irq(&fc->demux.lock);
flexcop_ibi_value v;
irqreturn_t ret = IRQ_HANDLED;
- spin_lock_irqsave(&fc_pci->irq_lock,flags);
-
- v = fc->read_ibi_reg(fc,irq_20c);
+ spin_lock_irqsave(&fc_pci->irq_lock, flags);
+ v = fc->read_ibi_reg(fc, irq_20c);
- /* errors */
+ /* errors */
if (v.irq_20c.Data_receiver_error)
deb_chk("data receiver error\n");
if (v.irq_20c.Continuity_error_flag)
deb_chk("Transport error\n");
if ((fc_pci->count % 1000) == 0)
- deb_chk("%d valid irq took place so far\n",fc_pci->count);
+ deb_chk("%d valid irq took place so far\n", fc_pci->count);
if (v.irq_20c.DMA1_IRQ_Status == 1) {
if (fc_pci->active_dma1_addr == 0)
- flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188);
+ flexcop_pass_dmx_packets(fc_pci->fc_dev,
+ fc_pci->dma[0].cpu_addr0,
+ fc_pci->dma[0].size / 188);
else
- flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr1,fc_pci->dma[0].size / 188);
+ flexcop_pass_dmx_packets(fc_pci->fc_dev,
+ fc_pci->dma[0].cpu_addr1,
+ fc_pci->dma[0].size / 188);
deb_irq("page change to page: %d\n",!fc_pci->active_dma1_addr);
fc_pci->active_dma1_addr = !fc_pci->active_dma1_addr;
- } else if (v.irq_20c.DMA1_Timer_Status == 1) {
/* for the timer IRQ we only can use buffer dmx feeding, because we don't have
* complete TS packets when reading from the DMA memory */
+ } else if (v.irq_20c.DMA1_Timer_Status == 1) {
dma_addr_t cur_addr =
fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
- deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, last_cur_pos: %08x ",
+ deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, "
+ "last_cur_pos: %08x ",
jiffies_to_usecs(jiffies - fc_pci->last_irq),
v.raw, (unsigned long long)cur_addr, cur_pos,
fc_pci->last_dma1_cur_pos);
* pass the data from last_cur_pos to the buffer end to the demux
*/
if (cur_pos < fc_pci->last_dma1_cur_pos) {
- deb_irq(" end was reached: passing %d bytes ",(fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos);
+ deb_irq(" end was reached: passing %d bytes ",
+ (fc_pci->dma[0].size*2 - 1) -
+ fc_pci->last_dma1_cur_pos);
flexcop_pass_dmx_data(fc_pci->fc_dev,
- fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
- (fc_pci->dma[0].size*2) - fc_pci->last_dma1_cur_pos);
+ fc_pci->dma[0].cpu_addr0 +
+ fc_pci->last_dma1_cur_pos,
+ (fc_pci->dma[0].size*2) -
+ fc_pci->last_dma1_cur_pos);
fc_pci->last_dma1_cur_pos = 0;
}
if (cur_pos > fc_pci->last_dma1_cur_pos) {
- deb_irq(" passing %d bytes ",cur_pos - fc_pci->last_dma1_cur_pos);
+ deb_irq(" passing %d bytes ",
+ cur_pos - fc_pci->last_dma1_cur_pos);
flexcop_pass_dmx_data(fc_pci->fc_dev,
- fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
- cur_pos - fc_pci->last_dma1_cur_pos);
+ fc_pci->dma[0].cpu_addr0 +
+ fc_pci->last_dma1_cur_pos,
+ cur_pos - fc_pci->last_dma1_cur_pos);
}
deb_irq("\n");
fc_pci->last_dma1_cur_pos = cur_pos;
fc_pci->count++;
} else {
- deb_irq("isr for flexcop called, apparently without reason (%08x)\n",v.raw);
+ deb_irq("isr for flexcop called, "
+ "apparently without reason (%08x)\n", v.raw);
ret = IRQ_NONE;
}
- spin_unlock_irqrestore(&fc_pci->irq_lock,flags);
-
+ spin_unlock_irqrestore(&fc_pci->irq_lock, flags);
return ret;
}
{
struct flexcop_pci *fc_pci = fc->bus_specific;
if (onoff) {
- flexcop_dma_config(fc,&fc_pci->dma[0],FC_DMA_1);
- flexcop_dma_config(fc,&fc_pci->dma[1],FC_DMA_2);
-
- flexcop_dma_config_timer(fc,FC_DMA_1,0);
-
- flexcop_dma_xfer_control(fc,FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1,1);
+ flexcop_dma_config(fc, &fc_pci->dma[0], FC_DMA_1);
+ flexcop_dma_config(fc, &fc_pci->dma[1], FC_DMA_2);
+ flexcop_dma_config_timer(fc, FC_DMA_1, 0);
+ flexcop_dma_xfer_control(fc, FC_DMA_1,
+ FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1, 1);
deb_irq("DMA xfer enabled\n");
fc_pci->last_dma1_cur_pos = 0;
- flexcop_dma_control_timer_irq(fc,FC_DMA_1,1);
+ flexcop_dma_control_timer_irq(fc, FC_DMA_1, 1);
deb_irq("IRQ enabled\n");
-
fc_pci->count_prev = fc_pci->count;
-
-// fc_pci->active_dma1_addr = 0;
-// flexcop_dma_control_size_irq(fc,FC_DMA_1,1);
-
} else {
- flexcop_dma_control_timer_irq(fc,FC_DMA_1,0);
+ flexcop_dma_control_timer_irq(fc, FC_DMA_1, 0);
deb_irq("IRQ disabled\n");
-// flexcop_dma_control_size_irq(fc,FC_DMA_1,0);
-
- flexcop_dma_xfer_control(fc,FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1,0);
+ flexcop_dma_xfer_control(fc, FC_DMA_1,
+ FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1, 0);
deb_irq("DMA xfer disabled\n");
}
-
return 0;
}
static int flexcop_pci_dma_init(struct flexcop_pci *fc_pci)
{
int ret;
- if ((ret = flexcop_dma_allocate(fc_pci->pdev,&fc_pci->dma[0],FC_DEFAULT_DMA1_BUFSIZE)) != 0)
+ ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[0],
+ FC_DEFAULT_DMA1_BUFSIZE);
+ if (ret != 0)
return ret;
- if ((ret = flexcop_dma_allocate(fc_pci->pdev,&fc_pci->dma[1],FC_DEFAULT_DMA2_BUFSIZE)) != 0) {
+ ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[1],
+ FC_DEFAULT_DMA2_BUFSIZE);
+ if (ret != 0) {
flexcop_dma_free(&fc_pci->dma[0]);
return ret;
}
- flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET, FC_SRAM_DEST_TARGET_DMA1);
- flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_DMA2);
-
+ flexcop_sram_set_dest(fc_pci->fc_dev, FC_SRAM_DEST_MEDIA |
+ FC_SRAM_DEST_NET, FC_SRAM_DEST_TARGET_DMA1);
+ flexcop_sram_set_dest(fc_pci->fc_dev, FC_SRAM_DEST_CAO |
+ FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_DMA2);
fc_pci->init_state |= FC_PCI_DMA_INIT;
-
return ret;
}
if ((ret = pci_enable_device(fc_pci->pdev)) != 0)
return ret;
-
pci_set_master(fc_pci->pdev);
- /* enable interrupts */
- // pci_write_config_dword(pdev, 0x6c, 0x8000);
-
if ((ret = pci_request_regions(fc_pci->pdev, DRIVER_NAME)) != 0)
goto err_pci_disable_device;
fc_pci->init_state &= ~FC_PCI_INIT;
}
-
-static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int flexcop_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
struct flexcop_device *fc;
struct flexcop_pci *fc_pci;
return -ENOMEM;
}
-/* general flexcop init */
+ /* general flexcop init */
fc_pci = fc->bus_specific;
fc_pci->fc_dev = fc;
fc->write_ibi_reg = flexcop_pci_write_ibi_reg;
fc->i2c_request = flexcop_i2c_request;
fc->get_mac_addr = flexcop_eeprom_check_mac_addr;
-
fc->stream_control = flexcop_pci_stream_control;
if (enable_pid_filtering)
fc->pid_filtering = enable_pid_filtering;
fc->bus_type = FC_PCI;
-
fc->dev = &pdev->dev;
fc->owner = THIS_MODULE;
-/* bus specific part */
+ /* bus specific part */
fc_pci->pdev = pdev;
if ((ret = flexcop_pci_init(fc_pci)) != 0)
goto err_kfree;
-/* init flexcop */
+ /* init flexcop */
if ((ret = flexcop_device_initialize(fc)) != 0)
goto err_pci_exit;
-/* init dma */
+ /* init dma */
if ((ret = flexcop_pci_dma_init(fc_pci)) != 0)
goto err_fc_exit;
INIT_DELAYED_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work);
- if (irq_chk_intv > 0)
- schedule_delayed_work(&fc_pci->irq_check_work,
- msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv));
-
+ if (irq_chk_intv > 0)
+ schedule_delayed_work(&fc_pci->irq_check_work,
+ msecs_to_jiffies(irq_chk_intv < 100 ?
+ 100 :
+ irq_chk_intv));
return ret;
err_fc_exit:
static struct pci_device_id flexcop_pci_tbl[] = {
{ PCI_DEVICE(0x13d0, 0x2103) },
-/* { PCI_DEVICE(0x13d0, 0x2200) }, ? */
{ },
};
git.openpandora.org / pandora-kernel.git / blobdiff