1 files changed, 0 insertions, 450 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c
deleted file mode 100644
index 44f8fb5f17ff..000000000000
--- a/drivers/media/dvb/b2c2/flexcop-pci.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
- * 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"
-#include "flexcop-common.h"
-
-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");
-
-static int irq_chk_intv = 100;
-module_param(irq_chk_intv, int, 0644);
-MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ streaming watchdog.");
-
-#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
-#define dprintk(level,args...) \
-	do { if ((debug & level)) printk(args); } while (0)
-#define DEBSTATUS ""
-#else
-#define dprintk(level,args...)
-#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)
-
-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);
-
-#define DRIVER_VERSION "0.1"
-#define DRIVER_NAME "flexcop-pci"
-#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>"
-
-struct flexcop_pci {
-	struct pci_dev *pdev;
-
-#define FC_PCI_INIT     0x01
-#define FC_PCI_DMA_INIT 0x02
-	int init_state;
-
-	void __iomem *io_mem;
-	u32 irq;
-	/* 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 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 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;
-	v.raw = readl(fc_pci->io_mem + r);
-
-	if (lastrreg != r || lastrval != v.raw) {
-		lastrreg = r; lastrval = 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)
-{
-	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);
-	}
-
-	writel(v.raw, fc_pci->io_mem + r);
-	return 0;
-}
-
-static void flexcop_pci_irq_check_work(struct work_struct *work)
-{
-	struct flexcop_pci *fc_pci =
-		container_of(work, struct flexcop_pci, irq_check_work.work);
-	struct flexcop_device *fc = fc_pci->fc_dev;
-
-	if (fc->feedcount) {
-
-		if (fc_pci->count == fc_pci->count_prev) {
-			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) {
-					flexcop_pid_feed_control(fc, feed, 0);
-				}
-
-				list_for_each_entry(feed, &fc->demux.feed_list,
-						list_head) {
-					flexcop_pid_feed_control(fc, feed, 1);
-				}
-				spin_unlock_irq(&fc->demux.lock);
-
-				fc_pci->stream_problem = 0;
-			}
-		} else {
-			fc_pci->stream_problem = 0;
-			fc_pci->count_prev = fc_pci->count;
-		}
-	}
-
-	schedule_delayed_work(&fc_pci->irq_check_work,
-			msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv));
-}
-
-/* When PID filtering is turned on, we use the timer IRQ, because small amounts
- * of data need to be passed to the user space instantly as well. When PID
- * filtering is turned off, we use the page-change-IRQ */
-static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
-{
-	struct flexcop_pci *fc_pci = dev_id;
-	struct flexcop_device *fc = fc_pci->fc_dev;
-	unsigned long flags;
-	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);
-
-	/* errors */
-	if (v.irq_20c.Data_receiver_error)
-		deb_chk("data receiver error\n");
-	if (v.irq_20c.Continuity_error_flag)
-		deb_chk("Contunuity error flag is set\n");
-	if (v.irq_20c.LLC_SNAP_FLAG_set)
-		deb_chk("LLC_SNAP_FLAG_set is set\n");
-	if (v.irq_20c.Transport_Error)
-		deb_chk("Transport error\n");
-
-	if ((fc_pci->count % 1000) == 0)
-		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);
-		else
-			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;
-		/* 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 ",
-				jiffies_to_usecs(jiffies - fc_pci->last_irq),
-				v.raw, (unsigned long long)cur_addr, cur_pos,
-				fc_pci->last_dma1_cur_pos);
-		fc_pci->last_irq = jiffies;
-
-		/* buffer end was reached, restarted from the beginning
-		 * 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);
-			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->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);
-			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);
-		}
-		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);
-		ret = IRQ_NONE;
-	}
-
-	spin_unlock_irqrestore(&fc_pci->irq_lock, flags);
-	return ret;
-}
-
-static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff)
-{
-	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);
-		deb_irq("DMA xfer enabled\n");
-
-		fc_pci->last_dma1_cur_pos = 0;
-		flexcop_dma_control_timer_irq(fc, FC_DMA_1, 1);
-		deb_irq("IRQ enabled\n");
-		fc_pci->count_prev = fc_pci->count;
-	} else {
-		flexcop_dma_control_timer_irq(fc, FC_DMA_1, 0);
-		deb_irq("IRQ disabled\n");
-
-		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;
-	ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[0],
-			FC_DEFAULT_DMA1_BUFSIZE);
-	if (ret != 0)
-		return ret;
-
-	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);
-	fc_pci->init_state |= FC_PCI_DMA_INIT;
-	return ret;
-}
-
-static void flexcop_pci_dma_exit(struct flexcop_pci *fc_pci)
-{
-	if (fc_pci->init_state & FC_PCI_DMA_INIT) {
-		flexcop_dma_free(&fc_pci->dma[0]);
-		flexcop_dma_free(&fc_pci->dma[1]);
-	}
-	fc_pci->init_state &= ~FC_PCI_DMA_INIT;
-}
-
-static int flexcop_pci_init(struct flexcop_pci *fc_pci)
-{
-	int ret;
-
-	info("card revision %x", fc_pci->pdev->revision);
-
-	if ((ret = pci_enable_device(fc_pci->pdev)) != 0)
-		return ret;
-	pci_set_master(fc_pci->pdev);
-
-	if ((ret = pci_request_regions(fc_pci->pdev, DRIVER_NAME)) != 0)
-		goto err_pci_disable_device;
-
-	fc_pci->io_mem = pci_iomap(fc_pci->pdev, 0, 0x800);
-
-	if (!fc_pci->io_mem) {
-		err("cannot map io memory\n");
-		ret = -EIO;
-		goto err_pci_release_regions;
-	}
-
-	pci_set_drvdata(fc_pci->pdev, fc_pci);
-	spin_lock_init(&fc_pci->irq_lock);
-	if ((ret = request_irq(fc_pci->pdev->irq, flexcop_pci_isr,
-					IRQF_SHARED, DRIVER_NAME, fc_pci)) != 0)
-		goto err_pci_iounmap;
-
-	fc_pci->init_state |= FC_PCI_INIT;
-	return ret;
-
-err_pci_iounmap:
-	pci_iounmap(fc_pci->pdev, fc_pci->io_mem);
-	pci_set_drvdata(fc_pci->pdev, NULL);
-err_pci_release_regions:
-	pci_release_regions(fc_pci->pdev);
-err_pci_disable_device:
-	pci_disable_device(fc_pci->pdev);
-	return ret;
-}
-
-static void flexcop_pci_exit(struct flexcop_pci *fc_pci)
-{
-	if (fc_pci->init_state & FC_PCI_INIT) {
-		free_irq(fc_pci->pdev->irq, fc_pci);
-		pci_iounmap(fc_pci->pdev, fc_pci->io_mem);
-		pci_set_drvdata(fc_pci->pdev, NULL);
-		pci_release_regions(fc_pci->pdev);
-		pci_disable_device(fc_pci->pdev);
-	}
-	fc_pci->init_state &= ~FC_PCI_INIT;
-}
-
-static int flexcop_pci_probe(struct pci_dev *pdev,
-		const struct pci_device_id *ent)
-{
-	struct flexcop_device *fc;
-	struct flexcop_pci *fc_pci;
-	int ret = -ENOMEM;
-
-	if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_pci))) == NULL) {
-		err("out of memory\n");
-		return -ENOMEM;
-	}
-
-	/* general flexcop init */
-	fc_pci = fc->bus_specific;
-	fc_pci->fc_dev = fc;
-
-	fc->read_ibi_reg = flexcop_pci_read_ibi_reg;
-	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)
-		info("will use the HW PID filter.");
-	else
-		info("will pass the complete TS to the demuxer.");
-
-	fc->pid_filtering = enable_pid_filtering;
-	fc->bus_type = FC_PCI;
-	fc->dev = &pdev->dev;
-	fc->owner = THIS_MODULE;
-
-	/* bus specific part */
-	fc_pci->pdev = pdev;
-	if ((ret = flexcop_pci_init(fc_pci)) != 0)
-		goto err_kfree;
-
-	/* init flexcop */
-	if ((ret = flexcop_device_initialize(fc)) != 0)
-		goto err_pci_exit;
-
-	/* 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));
-	return ret;
-
-err_fc_exit:
-	flexcop_device_exit(fc);
-err_pci_exit:
-	flexcop_pci_exit(fc_pci);
-err_kfree:
-	flexcop_device_kfree(fc);
-	return ret;
-}
-
-/* in theory every _exit function should be called exactly two times,
- * here and in the bail-out-part of the _init-function
- */
-static void flexcop_pci_remove(struct pci_dev *pdev)
-{
-	struct flexcop_pci *fc_pci = pci_get_drvdata(pdev);
-
-	if (irq_chk_intv > 0)
-		cancel_delayed_work(&fc_pci->irq_check_work);
-
-	flexcop_pci_dma_exit(fc_pci);
-	flexcop_device_exit(fc_pci->fc_dev);
-	flexcop_pci_exit(fc_pci);
-	flexcop_device_kfree(fc_pci->fc_dev);
-}
-
-static struct pci_device_id flexcop_pci_tbl[] = {
-	{ PCI_DEVICE(0x13d0, 0x2103) },
-	{ },
-};
-
-MODULE_DEVICE_TABLE(pci, flexcop_pci_tbl);
-
-static struct pci_driver flexcop_pci_driver = {
-	.name     = "b2c2_flexcop_pci",
-	.id_table = flexcop_pci_tbl,
-	.probe    = flexcop_pci_probe,
-	.remove   = flexcop_pci_remove,
-};
-
-static int __init flexcop_pci_module_init(void)
-{
-	return pci_register_driver(&flexcop_pci_driver);
-}
-
-static void __exit flexcop_pci_module_exit(void)
-{
-	pci_unregister_driver(&flexcop_pci_driver);
-}
-
-module_init(flexcop_pci_module_init);
-module_exit(flexcop_pci_module_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_NAME);
-MODULE_LICENSE("GPL");