Merge branch 'core/xen' into x86/xen
[safe/jmp/linux-2.6] / drivers / media / video / cx23885 / cx23885-core.c
index 8616a26..25fb099 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *  Driver for the Conexant CX23885 PCIe bridge
  *
- *  Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
+ *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
  *
  *  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
 #include "cx23885.h"
 
 MODULE_DESCRIPTION("Driver for cx23885 based TV cards");
-MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>");
+MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
 MODULE_LICENSE("GPL");
 
-static unsigned int debug = 0;
+static unsigned int debug;
 module_param(debug,int,0644);
 MODULE_PARM_DESC(debug,"enable debug messages");
 
@@ -44,18 +44,21 @@ static unsigned int card[]  = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
 module_param_array(card,  int, NULL, 0444);
 MODULE_PARM_DESC(card,"card type");
 
-#define dprintk(level,fmt, arg...)     if (debug >= level) \
-       printk(KERN_DEBUG "%s/0: " fmt, dev->name , ## arg)
+#define dprintk(level, fmt, arg...)\
+       do { if (debug >= level)\
+               printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+       } while (0)
 
 static unsigned int cx23885_devcount;
 
 static DEFINE_MUTEX(devlist);
-static LIST_HEAD(cx23885_devlist);
+LIST_HEAD(cx23885_devlist);
 
 #define NO_SYNC_LINE (-1U)
 
-/*
- * CX23885 Assumptions
+/* FIXME, these allocations will change when
+ * analog arrives. The be reviewed.
+ * CX23887 Assumptions
  * 1 line = 16 bytes of CDT
  * cmds size = 80
  * cdt size = 16 * linesize
@@ -77,15 +80,14 @@ static struct sram_channel cx23885_sram_channels[] = {
        [SRAM_CH01] = {
                .name           = "VID A",
                .cmds_start     = 0x10000,
-               .ctrl_start     = 0x105b0,
-               .cdt            = 0x107b0,
+               .ctrl_start     = 0x10380,
+               .cdt            = 0x104c0,
                .fifo_start     = 0x40,
                .fifo_size      = 0x2800,
                .ptr1_reg       = DMA1_PTR1,
                .ptr2_reg       = DMA1_PTR2,
                .cnt1_reg       = DMA1_CNT1,
                .cnt2_reg       = DMA1_CNT2,
-               .jumponly       = 1,
        },
        [SRAM_CH02] = {
                .name           = "ch2",
@@ -102,8 +104,8 @@ static struct sram_channel cx23885_sram_channels[] = {
        [SRAM_CH03] = {
                .name           = "TS1 B",
                .cmds_start     = 0x100A0,
-               .ctrl_start     = 0x10630,
-               .cdt            = 0x10870,
+               .ctrl_start     = 0x10400,
+               .cdt            = 0x10580,
                .fifo_start     = 0x5000,
                .fifo_size      = 0x1000,
                .ptr1_reg       = DMA3_PTR1,
@@ -138,8 +140,8 @@ static struct sram_channel cx23885_sram_channels[] = {
        [SRAM_CH06] = {
                .name           = "TS2 C",
                .cmds_start     = 0x10140,
-               .ctrl_start     = 0x10680,
-               .cdt            = 0x108d0,
+               .ctrl_start     = 0x10440,
+               .cdt            = 0x105e0,
                .fifo_start     = 0x6000,
                .fifo_size      = 0x1000,
                .ptr1_reg       = DMA5_PTR1,
@@ -185,26 +187,6 @@ static struct sram_channel cx23885_sram_channels[] = {
        },
 };
 
-/* FIXME, these allocations will change when
- * analog arrives. The be reviewed.
- * CX23887 Assumptions
- * 1 line = 16 bytes of CDT
- * cmds size = 80
- * cdt size = 16 * linesize
- * iqsize = 64
- * maxlines = 6
- *
- * Address Space:
- * 0x00000000 0x00008fff FIFO clusters
- * 0x00010000 0x000104af Channel Management Data Structures
- * 0x000104b0 0x000104ff Free
- * 0x00010500 0x000108bf 15 channels * iqsize
- * 0x000108c0 0x000108ff Free
- * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables
- *                       15 channels * (iqsize + (maxlines * linesize))
- * 0x00010ea0 0x00010xxx Free
- */
-
 static struct sram_channel cx23887_sram_channels[] = {
        [SRAM_CH01] = {
                .name           = "VID A",
@@ -233,8 +215,8 @@ static struct sram_channel cx23887_sram_channels[] = {
        [SRAM_CH03] = {
                .name           = "TS1 B",
                .cmds_start     = 0x100A0,
-               .ctrl_start     = 0x10780,
-               .cdt            = 0x10400,
+               .ctrl_start     = 0x10630,
+               .cdt            = 0x10870,
                .fifo_start     = 0x5000,
                .fifo_size      = 0x1000,
                .ptr1_reg       = DMA3_PTR1,
@@ -269,7 +251,7 @@ static struct sram_channel cx23887_sram_channels[] = {
        [SRAM_CH06] = {
                .name           = "TS2 C",
                .cmds_start     = 0x10140,
-               .ctrl_start     = 0x10680,
+               .ctrl_start     = 0x10670,
                .cdt            = 0x108d0,
                .fifo_start     = 0x6000,
                .fifo_size      = 0x1000,
@@ -319,25 +301,25 @@ static struct sram_channel cx23887_sram_channels[] = {
 static int cx23885_risc_decode(u32 risc)
 {
        static char *instr[16] = {
-               [ RISC_SYNC    >> 28 ] = "sync",
-               [ RISC_WRITE   >> 28 ] = "write",
-               [ RISC_WRITEC  >> 28 ] = "writec",
-               [ RISC_READ    >> 28 ] = "read",
-               [ RISC_READC   >> 28 ] = "readc",
-               [ RISC_JUMP    >> 28 ] = "jump",
-               [ RISC_SKIP    >> 28 ] = "skip",
-               [ RISC_WRITERM >> 28 ] = "writerm",
-               [ RISC_WRITECM >> 28 ] = "writecm",
-               [ RISC_WRITECR >> 28 ] = "writecr",
+               [RISC_SYNC    >> 28] = "sync",
+               [RISC_WRITE   >> 28] = "write",
+               [RISC_WRITEC  >> 28] = "writec",
+               [RISC_READ    >> 28] = "read",
+               [RISC_READC   >> 28] = "readc",
+               [RISC_JUMP    >> 28] = "jump",
+               [RISC_SKIP    >> 28] = "skip",
+               [RISC_WRITERM >> 28] = "writerm",
+               [RISC_WRITECM >> 28] = "writecm",
+               [RISC_WRITECR >> 28] = "writecr",
        };
        static int incr[16] = {
-               [ RISC_WRITE   >> 28 ] = 3,
-               [ RISC_JUMP    >> 28 ] = 3,
-               [ RISC_SKIP    >> 28 ] = 1,
-               [ RISC_SYNC    >> 28 ] = 1,
-               [ RISC_WRITERM >> 28 ] = 3,
-               [ RISC_WRITECM >> 28 ] = 3,
-               [ RISC_WRITECR >> 28 ] = 4,
+               [RISC_WRITE   >> 28] = 3,
+               [RISC_JUMP    >> 28] = 3,
+               [RISC_SKIP    >> 28] = 1,
+               [RISC_SYNC    >> 28] = 1,
+               [RISC_WRITERM >> 28] = 3,
+               [RISC_WRITECM >> 28] = 3,
+               [RISC_WRITECR >> 28] = 4,
        };
        static char *bits[] = {
                "12",   "13",   "14",   "resync",
@@ -356,7 +338,7 @@ static int cx23885_risc_decode(u32 risc)
        return incr[risc >> 28] ? incr[risc >> 28] : 1;
 }
 
-static void cx23885_wakeup(struct cx23885_tsport *port,
+void cx23885_wakeup(struct cx23885_tsport *port,
                           struct cx23885_dmaqueue *q, u32 count)
 {
        struct cx23885_dev *dev = port->dev;
@@ -389,10 +371,10 @@ static void cx23885_wakeup(struct cx23885_tsport *port,
        }
        if (bc != 1)
                printk("%s: %d buffers handled (should be 1)\n",
-                      __FUNCTION__, bc);
+                      __func__, bc);
 }
 
-static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
+int cx23885_sram_channel_setup(struct cx23885_dev *dev,
                                      struct sram_channel *ch,
                                      unsigned int bpl, u32 risc)
 {
@@ -401,7 +383,7 @@ static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 
        if (ch->cmds_start == 0)
        {
-               dprintk(1, "%s() Erasing channel [%s]\n", __FUNCTION__,
+               dprintk(1, "%s() Erasing channel [%s]\n", __func__,
                        ch->name);
                cx_write(ch->ptr1_reg, 0);
                cx_write(ch->ptr2_reg, 0);
@@ -409,7 +391,7 @@ static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
                cx_write(ch->cnt1_reg, 0);
                return 0;
        } else {
-               dprintk(1, "%s() Configuring channel [%s]\n", __FUNCTION__,
+               dprintk(1, "%s() Configuring channel [%s]\n", __func__,
                        ch->name);
        }
 
@@ -420,13 +402,13 @@ static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
                lines = 6;
        BUG_ON(lines < 2);
 
-       cx_write(8 + 0, cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC) );
-       cx_write(8 + 4, cpu_to_le32(8) );
-       cx_write(8 + 8, cpu_to_le32(0) );
+       cx_write(8 + 0, RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
+       cx_write(8 + 4, 8);
+       cx_write(8 + 8, 0);
 
        /* write CDT */
        for (i = 0; i < lines; i++) {
-               dprintk(2, "%s() 0x%08x <- 0x%08x\n", __FUNCTION__, cdt + 16*i,
+               dprintk(2, "%s() 0x%08x <- 0x%08x\n", __func__, cdt + 16*i,
                        ch->fifo_start + bpl*i);
                cx_write(cdt + 16*i, ch->fifo_start + bpl*i);
                cx_write(cdt + 16*i +  4, 0);
@@ -465,7 +447,7 @@ static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
        return 0;
 }
 
-static void cx23885_sram_channel_dump(struct cx23885_dev *dev,
+void cx23885_sram_channel_dump(struct cx23885_dev *dev,
                                      struct sram_channel *ch)
 {
        static char *name[] = {
@@ -537,11 +519,11 @@ static void cx23885_risc_disasm(struct cx23885_tsport *port,
               dev->name, risc->cpu, (unsigned long)risc->dma);
        for (i = 0; i < (risc->size >> 2); i += n) {
                printk("%s:   %04d: ", dev->name, i);
-               n = cx23885_risc_decode(risc->cpu[i]);
+               n = cx23885_risc_decode(le32_to_cpu(risc->cpu[i]));
                for (j = 1; j < n; j++)
                        printk("%s:   %04d: 0x%08x [ arg #%d ]\n",
                               dev->name, i + j, risc->cpu[i + j], j);
-               if (risc->cpu[i] == RISC_JUMP)
+               if (risc->cpu[i] == cpu_to_le32(RISC_JUMP))
                        break;
        }
 }
@@ -578,7 +560,7 @@ static void cx23885_shutdown(struct cx23885_dev *dev)
 
 static void cx23885_reset(struct cx23885_dev *dev)
 {
-       dprintk(1, "%s()\n", __FUNCTION__);
+       dprintk(1, "%s()\n", __func__);
 
        cx23885_shutdown(dev);
 
@@ -589,18 +571,22 @@ static void cx23885_reset(struct cx23885_dev *dev)
        cx_write(AUDIO_INT_INT_STAT, 0xffffffff);
        cx_write(AUDIO_EXT_INT_STAT, 0xffffffff);
        cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000);
+       cx_write(PAD_CTRL, 0x00500300);
 
        mdelay(100);
 
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH01 ], 188*4, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH02 ], 128, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 188*4, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH04 ], 128, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH05 ], 128, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH06 ], 188*4, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH07 ], 128, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH08 ], 128, 0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH09 ], 128, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
+               720*4, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH02], 128, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH03],
+               188*4, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH04], 128, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH05], 128, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH06],
+               188*4, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH07], 128, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH08], 128, 0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH09], 128, 0);
 
        cx23885_gpio_setup(dev);
 }
@@ -608,7 +594,7 @@ static void cx23885_reset(struct cx23885_dev *dev)
 
 static int cx23885_pci_quirks(struct cx23885_dev *dev)
 {
-       dprintk(1, "%s()\n", __FUNCTION__);
+       dprintk(1, "%s()\n", __func__);
 
        /* The cx23885 bridge has a weird bug which causes NMI to be asserted
         * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not
@@ -634,16 +620,18 @@ static int get_resources(struct cx23885_dev *dev)
 }
 
 static void cx23885_timeout(unsigned long data);
-static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
+int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
                                u32 reg, u32 mask, u32 value);
 
 static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *port, int portno)
 {
-       dprintk(1, "%s(portno=%d)\n", __FUNCTION__, portno);
+       dprintk(1, "%s(portno=%d)\n", __func__, portno);
 
        /* Transport bus init dma queue  - Common settings */
        port->dma_ctl_val        = 0x11; /* Enable RISC controller and Fifo */
        port->ts_int_msk_val     = 0x1111; /* TS port bits for RISC */
+       port->vld_misc_val       = 0x0;
+       port->hw_sop_ctrl_val    = (0x47 << 16 | 188 << 4);
 
        spin_lock_init(&port->slock);
        port->dev = dev;
@@ -670,7 +658,7 @@ static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *p
                port->reg_ts_clk_en      = VID_B_TS_CLK_EN;
                port->reg_src_sel        = VID_B_SRC_SEL;
                port->reg_ts_int_msk     = VID_B_INT_MSK;
-               port->reg_ts_int_stat   = VID_B_INT_STAT;
+               port->reg_ts_int_stat    = VID_B_INT_STAT;
                port->sram_chno          = SRAM_CH03; /* VID_B */
                port->pci_irqmask        = 0x02; /* VID_B bit1 */
                break;
@@ -730,14 +718,14 @@ static void cx23885_dev_checkrevision(struct cx23885_dev *dev)
                break;
        default:
                printk(KERN_ERR "%s() New hardware revision found 0x%x\n",
-                       __FUNCTION__, dev->hwrevision);
+                       __func__, dev->hwrevision);
        }
        if (dev->hwrevision)
                printk(KERN_INFO "%s() Hardware revision = 0x%02x\n",
-                       __FUNCTION__, dev->hwrevision);
+                       __func__, dev->hwrevision);
        else
                printk(KERN_ERR "%s() Hardware revision unknown 0x%x\n",
-                       __FUNCTION__, dev->hwrevision);
+                       __func__, dev->hwrevision);
 }
 
 static int cx23885_dev_setup(struct cx23885_dev *dev)
@@ -758,20 +746,20 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
        /* Configure the internal memory */
        if(dev->pci->device == 0x8880) {
                dev->bridge = CX23885_BRIDGE_887;
-               dev->sram_channels = cx23887_sram_channels;
                /* Apply a sensible clock frequency for the PCIe bridge */
                dev->clk_freq = 25000000;
+               dev->sram_channels = cx23887_sram_channels;
        } else
        if(dev->pci->device == 0x8852) {
                dev->bridge = CX23885_BRIDGE_885;
-               dev->sram_channels = cx23885_sram_channels;
                /* Apply a sensible clock frequency for the PCIe bridge */
                dev->clk_freq = 28000000;
+               dev->sram_channels = cx23885_sram_channels;
        } else
                BUG();
 
        dprintk(1, "%s() Memory configured for PCIe bridge type %d\n",
-               __FUNCTION__, dev->bridge);
+               __func__, dev->bridge);
 
        /* board config */
        dev->board = UNSET;
@@ -824,10 +812,12 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
        dev->i2c_bus[2].reg_wdata = I2C3_WDATA;
        dev->i2c_bus[2].i2c_period = (0x07 << 24); /* 1.95MHz */
 
-       if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
+       if ((cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) ||
+               (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER))
                cx23885_init_tsport(dev, &dev->ts1, 1);
 
-       if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB)
+       if ((cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) ||
+               (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER))
                cx23885_init_tsport(dev, &dev->ts2, 2);
 
        if (get_resources(dev) < 0) {
@@ -854,27 +844,60 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 
        cx23885_pci_quirks(dev);
 
+       /* Assume some sensible defaults */
+       dev->tuner_type = cx23885_boards[dev->board].tuner_type;
+       dev->tuner_addr = cx23885_boards[dev->board].tuner_addr;
+       dev->radio_type = cx23885_boards[dev->board].radio_type;
+       dev->radio_addr = cx23885_boards[dev->board].radio_addr;
+
+       dprintk(1, "%s() tuner_type = 0x%x tuner_addr = 0x%x\n",
+               __func__, dev->tuner_type, dev->tuner_addr);
+       dprintk(1, "%s() radio_type = 0x%x radio_addr = 0x%x\n",
+               __func__, dev->radio_type, dev->radio_addr);
+
        /* init hardware */
        cx23885_reset(dev);
 
        cx23885_i2c_register(&dev->i2c_bus[0]);
        cx23885_i2c_register(&dev->i2c_bus[1]);
        cx23885_i2c_register(&dev->i2c_bus[2]);
-       cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
        cx23885_card_setup(dev);
+       cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
        cx23885_ir_init(dev);
 
-       if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) {
+       if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) {
+               if (cx23885_video_register(dev) < 0) {
+                       printk(KERN_ERR "%s() Failed to register analog "
+                               "video adapters on VID_A\n", __func__);
+               }
+       }
+
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) {
                if (cx23885_dvb_register(&dev->ts1) < 0) {
                        printk(KERN_ERR "%s() Failed to register dvb adapters on VID_B\n",
-                              __FUNCTION__);
+                              __func__);
+               }
+       } else
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) {
+               if (cx23885_417_register(dev) < 0) {
+                       printk(KERN_ERR
+                               "%s() Failed to register 417 on VID_B\n",
+                              __func__);
                }
        }
 
-       if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) {
+       if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) {
                if (cx23885_dvb_register(&dev->ts2) < 0) {
-                       printk(KERN_ERR "%s() Failed to register dvb adapters on VID_C\n",
-                              __FUNCTION__);
+                       printk(KERN_ERR
+                               "%s() Failed to register dvb on VID_C\n",
+                              __func__);
+               }
+       } else
+       if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) {
+               if (cx23885_417_register(dev) < 0) {
+                       printk(KERN_ERR
+                               "%s() Failed to register 417 on VID_C\n",
+                              __func__);
                }
        }
 
@@ -891,12 +914,21 @@ static void cx23885_dev_unregister(struct cx23885_dev *dev)
        if (!atomic_dec_and_test(&dev->refcount))
                return;
 
-       if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
+       if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO)
+               cx23885_video_unregister(dev);
+
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
                cx23885_dvb_unregister(&dev->ts1);
 
-       if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB)
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+               cx23885_417_unregister(dev);
+
+       if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB)
                cx23885_dvb_unregister(&dev->ts2);
 
+       if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER)
+               cx23885_417_unregister(dev);
+
        cx23885_i2c_unregister(&dev->i2c_bus[2]);
        cx23885_i2c_unregister(&dev->i2c_bus[1]);
        cx23885_i2c_unregister(&dev->i2c_bus[0]);
@@ -904,7 +936,7 @@ static void cx23885_dev_unregister(struct cx23885_dev *dev)
        iounmap(dev->lmmio);
 }
 
-static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist,
+static __le32* cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
                               unsigned int offset, u32 sync_line,
                               unsigned int bpl, unsigned int padding,
                               unsigned int lines)
@@ -958,6 +990,45 @@ static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist,
        return rp;
 }
 
+int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
+                       struct scatterlist *sglist, unsigned int top_offset,
+                       unsigned int bottom_offset, unsigned int bpl,
+                       unsigned int padding, unsigned int lines)
+{
+       u32 instructions, fields;
+       __le32 *rp;
+       int rc;
+
+       fields = 0;
+       if (UNSET != top_offset)
+               fields++;
+       if (UNSET != bottom_offset)
+               fields++;
+
+       /* estimate risc mem: worst case is one write per page border +
+          one write per scan line + syncs + jump (all 2 dwords).  Padding
+          can cause next bpl to start close to a page border.  First DMA
+          region may be smaller than PAGE_SIZE */
+       /* write and jump need and extra dword */
+       instructions  = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines);
+       instructions += 2;
+       if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0)
+               return rc;
+
+       /* write risc instructions */
+       rp = risc->cpu;
+       if (UNSET != top_offset)
+               rp = cx23885_risc_field(rp, sglist, top_offset, 0,
+                                       bpl, padding, lines);
+       if (UNSET != bottom_offset)
+               rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200,
+                                       bpl, padding, lines);
+
+       /* save pointer to jmp instruction address */
+       risc->jmp = rp;
+       BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
+       return 0;
+}
 
 static int cx23885_risc_databuffer(struct pci_dev *pci,
                                   struct btcx_riscmem *risc,
@@ -966,7 +1037,7 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
                                   unsigned int lines)
 {
        u32 instructions;
-       u32 *rp;
+       __le32 *rp;
        int rc;
 
        /* estimate risc mem: worst case is one write per page border +
@@ -990,10 +1061,10 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
        return 0;
 }
 
-static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
+int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
                                u32 reg, u32 mask, u32 value)
 {
-       u32 *rp;
+       __le32 *rp;
        int rc;
 
        if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0)
@@ -1019,19 +1090,75 @@ void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf)
        videobuf_waiton(&buf->vb, 0, 0);
        videobuf_dma_unmap(q, dma);
        videobuf_dma_free(dma);
-       btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc);
+       btcx_riscmem_free(to_pci_dev(q->dev), &buf->risc);
        buf->vb.state = VIDEOBUF_NEEDS_INIT;
 }
 
+static void cx23885_tsport_reg_dump(struct cx23885_tsport *port)
+{
+       struct cx23885_dev *dev = port->dev;
+
+       dprintk(1, "%s() Register Dump\n", __func__);
+       dprintk(1, "%s() DEV_CNTRL2               0x%08X\n", __func__,
+               cx_read(DEV_CNTRL2));
+       dprintk(1, "%s() PCI_INT_MSK              0x%08X\n", __func__,
+               cx_read(PCI_INT_MSK));
+       dprintk(1, "%s() AUD_INT_INT_MSK          0x%08X\n", __func__,
+               cx_read(AUDIO_INT_INT_MSK));
+       dprintk(1, "%s() AUD_INT_DMA_CTL          0x%08X\n", __func__,
+               cx_read(AUD_INT_DMA_CTL));
+       dprintk(1, "%s() AUD_EXT_INT_MSK          0x%08X\n", __func__,
+               cx_read(AUDIO_EXT_INT_MSK));
+       dprintk(1, "%s() AUD_EXT_DMA_CTL          0x%08X\n", __func__,
+               cx_read(AUD_EXT_DMA_CTL));
+       dprintk(1, "%s() PAD_CTRL                 0x%08X\n", __func__,
+               cx_read(PAD_CTRL));
+       dprintk(1, "%s() ALT_PIN_OUT_SEL          0x%08X\n", __func__,
+               cx_read(ALT_PIN_OUT_SEL));
+       dprintk(1, "%s() GPIO2                    0x%08X\n", __func__,
+               cx_read(GPIO2));
+       dprintk(1, "%s() gpcnt(0x%08X)          0x%08X\n", __func__,
+               port->reg_gpcnt, cx_read(port->reg_gpcnt));
+       dprintk(1, "%s() gpcnt_ctl(0x%08X)      0x%08x\n", __func__,
+               port->reg_gpcnt_ctl, cx_read(port->reg_gpcnt_ctl));
+       dprintk(1, "%s() dma_ctl(0x%08X)        0x%08x\n", __func__,
+               port->reg_dma_ctl, cx_read(port->reg_dma_ctl));
+       if (port->reg_src_sel)
+               dprintk(1, "%s() src_sel(0x%08X)        0x%08x\n", __func__,
+                       port->reg_src_sel, cx_read(port->reg_src_sel));
+       dprintk(1, "%s() lngth(0x%08X)          0x%08x\n", __func__,
+               port->reg_lngth, cx_read(port->reg_lngth));
+       dprintk(1, "%s() hw_sop_ctrl(0x%08X)    0x%08x\n", __func__,
+               port->reg_hw_sop_ctrl, cx_read(port->reg_hw_sop_ctrl));
+       dprintk(1, "%s() gen_ctrl(0x%08X)       0x%08x\n", __func__,
+               port->reg_gen_ctrl, cx_read(port->reg_gen_ctrl));
+       dprintk(1, "%s() bd_pkt_status(0x%08X)  0x%08x\n", __func__,
+               port->reg_bd_pkt_status, cx_read(port->reg_bd_pkt_status));
+       dprintk(1, "%s() sop_status(0x%08X)     0x%08x\n", __func__,
+               port->reg_sop_status, cx_read(port->reg_sop_status));
+       dprintk(1, "%s() fifo_ovfl_stat(0x%08X) 0x%08x\n", __func__,
+               port->reg_fifo_ovfl_stat, cx_read(port->reg_fifo_ovfl_stat));
+       dprintk(1, "%s() vld_misc(0x%08X)       0x%08x\n", __func__,
+               port->reg_vld_misc, cx_read(port->reg_vld_misc));
+       dprintk(1, "%s() ts_clk_en(0x%08X)      0x%08x\n", __func__,
+               port->reg_ts_clk_en, cx_read(port->reg_ts_clk_en));
+       dprintk(1, "%s() ts_int_msk(0x%08X)     0x%08x\n", __func__,
+               port->reg_ts_int_msk, cx_read(port->reg_ts_int_msk));
+}
+
 static int cx23885_start_dma(struct cx23885_tsport *port,
                             struct cx23885_dmaqueue *q,
                             struct cx23885_buffer   *buf)
 {
        struct cx23885_dev *dev = port->dev;
+       u32 reg;
 
-       dprintk(1, "%s() w: %d, h: %d, f: %d\n", __FUNCTION__,
+       dprintk(1, "%s() w: %d, h: %d, f: %d\n", __func__,
                buf->vb.width, buf->vb.height, buf->vb.field);
 
+       /* Stop the fifo and risc engine for this port */
+       cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
+
        /* setup fifo + format */
        cx23885_sram_channel_setup(dev,
                                   &dev->sram_channels[ port->sram_chno ],
@@ -1047,21 +1174,24 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
        if ( (!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) &&
                (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB)) ) {
                printk( "%s() Failed. Unsupported value in .portb/c (0x%08x)/(0x%08x)\n",
-                       __FUNCTION__,
+                       __func__,
                        cx23885_boards[dev->board].portb,
                        cx23885_boards[dev->board].portc );
                return -EINVAL;
        }
 
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+               cx23885_av_clk(dev, 0);
+
        udelay(100);
 
        /* If the port supports SRC SELECT, configure it */
        if(port->reg_src_sel)
                cx_write(port->reg_src_sel, port->src_sel_val);
 
-       cx_write(port->reg_hw_sop_ctrl, 0x47 << 16 | 188 << 4);
+       cx_write(port->reg_hw_sop_ctrl, port->hw_sop_ctrl_val);
        cx_write(port->reg_ts_clk_en, port->ts_clk_en_val);
-       cx_write(port->reg_vld_misc, 0x00);
+       cx_write(port->reg_vld_misc, port->vld_misc_val);
        cx_write(port->reg_gen_ctrl, port->gen_ctrl_val);
        udelay(100);
 
@@ -1070,11 +1200,40 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
        cx_write(port->reg_gpcnt_ctl, 3);
        q->count = 1;
 
+       /* Set VIDB pins to input */
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) {
+               reg = cx_read(PAD_CTRL);
+               reg &= ~0x3; /* Clear TS1_OE & TS1_SOP_OE */
+               cx_write(PAD_CTRL, reg);
+       }
+
+       /* Set VIDC pins to input */
+       if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) {
+               reg = cx_read(PAD_CTRL);
+               reg &= ~0x4; /* Clear TS2_SOP_OE */
+               cx_write(PAD_CTRL, reg);
+       }
+
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) {
+
+               reg = cx_read(PAD_CTRL);
+               reg = reg & ~0x1;    /* Clear TS1_OE */
+
+               /* FIXME, bit 2 writing here is questionable */
+               /* set TS1_SOP_OE and TS1_OE_HI */
+               reg = reg | 0xa;
+               cx_write(PAD_CTRL, reg);
+
+               /* FIXME and these two registers should be documented. */
+               cx_write(CLK_DELAY, cx_read(CLK_DELAY) | 0x80000011);
+               cx_write(ALT_PIN_OUT_SEL, 0x10100045);
+       }
+
        switch(dev->bridge) {
        case CX23885_BRIDGE_885:
        case CX23885_BRIDGE_887:
                /* enable irqs */
-               dprintk(1, "%s() enabling TS int's and DMA\n", __FUNCTION__ );
+               dprintk(1, "%s() enabling TS int's and DMA\n", __func__ );
                cx_set(port->reg_ts_int_msk,  port->ts_int_msk_val);
                cx_set(port->reg_dma_ctl, port->dma_ctl_val);
                cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask);
@@ -1085,34 +1244,60 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 
        cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */
 
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+               cx23885_av_clk(dev, 1);
+
+       if (debug > 4)
+               cx23885_tsport_reg_dump(port);
+
        return 0;
 }
 
 static int cx23885_stop_dma(struct cx23885_tsport *port)
 {
        struct cx23885_dev *dev = port->dev;
-       dprintk(1, "%s()\n", __FUNCTION__);
+       u32 reg;
+
+       dprintk(1, "%s()\n", __func__);
 
        /* Stop interrupts and DMA */
        cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val);
        cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
 
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) {
+
+               reg = cx_read(PAD_CTRL);
+
+               /* Set TS1_OE */
+               reg = reg | 0x1;
+
+               /* clear TS1_SOP_OE and TS1_OE_HI */
+               reg = reg & ~0xa;
+               cx_write(PAD_CTRL, reg);
+               cx_write(port->reg_src_sel, 0);
+               cx_write(port->reg_gen_ctrl, 8);
+
+       }
+
+       if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+               cx23885_av_clk(dev, 0);
+
        return 0;
 }
 
-static int cx23885_restart_queue(struct cx23885_tsport *port,
+int cx23885_restart_queue(struct cx23885_tsport *port,
                                struct cx23885_dmaqueue *q)
 {
        struct cx23885_dev *dev = port->dev;
        struct cx23885_buffer *buf;
 
-       dprintk(5, "%s()\n", __FUNCTION__);
+       dprintk(5, "%s()\n", __func__);
        if (list_empty(&q->active))
        {
                struct cx23885_buffer *prev;
                prev = NULL;
 
-               dprintk(5, "%s() queue is empty\n", __FUNCTION__);
+               dprintk(5, "%s() queue is empty\n", __func__);
 
                for (;;) {
                        if (list_empty(&q->queued))
@@ -1167,7 +1352,7 @@ int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
        int size = port->ts_packet_size * port->ts_packet_count;
        int rc;
 
-       dprintk(1, "%s: %p\n", __FUNCTION__, buf);
+       dprintk(1, "%s: %p\n", __func__, buf);
        if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
                return -EINVAL;
 
@@ -1210,7 +1395,7 @@ void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
                buf->count    = cx88q->count++;
                mod_timer(&cx88q->timeout, jiffies + BUFFER_TIMEOUT);
                dprintk(1, "[%p/%d] %s - first active\n",
-                       buf, buf->vb.i, __FUNCTION__);
+                       buf, buf->vb.i, __func__);
        } else {
                dprintk( 1, "queue is not empty - append to active\n" );
                prev = list_entry(cx88q->active.prev, struct cx23885_buffer,
@@ -1221,7 +1406,7 @@ void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
                prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
                prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */
                dprintk( 1, "[%p/%d] %s - append to active\n",
-                        buf, buf->vb.i, __FUNCTION__);
+                        buf, buf->vb.i, __func__);
        }
 }
 
@@ -1252,13 +1437,23 @@ static void do_cancel_buffers(struct cx23885_tsport *port, char *reason,
        spin_unlock_irqrestore(&port->slock, flags);
 }
 
+void cx23885_cancel_buffers(struct cx23885_tsport *port)
+{
+       struct cx23885_dev *dev = port->dev;
+       struct cx23885_dmaqueue *q = &port->mpegq;
+
+       dprintk(1, "%s()\n", __FUNCTION__);
+       del_timer_sync(&q->timeout);
+       cx23885_stop_dma(port);
+       do_cancel_buffers(port, "cancel", 0);
+}
 
 static void cx23885_timeout(unsigned long data)
 {
        struct cx23885_tsport *port = (struct cx23885_tsport *)data;
        struct cx23885_dev *dev = port->dev;
 
-       dprintk(1, "%s()\n",__FUNCTION__);
+       dprintk(1, "%s()\n",__func__);
 
        if (debug > 5)
                cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
@@ -1267,16 +1462,77 @@ static void cx23885_timeout(unsigned long data)
        do_cancel_buffers(port, "timeout", 1);
 }
 
+int cx23885_irq_417(struct cx23885_dev *dev, u32 status)
+{
+       /* FIXME: port1 assumption here. */
+       struct cx23885_tsport *port = &dev->ts1;
+       int count = 0;
+       int handled = 0;
+
+       if (status == 0)
+               return handled;
+
+       count = cx_read(port->reg_gpcnt);
+       dprintk(7, "status: 0x%08x  mask: 0x%08x count: 0x%x\n",
+               status, cx_read(port->reg_ts_int_msk), count);
+
+       if ((status & VID_B_MSK_BAD_PKT)         ||
+               (status & VID_B_MSK_OPC_ERR)     ||
+               (status & VID_B_MSK_VBI_OPC_ERR) ||
+               (status & VID_B_MSK_SYNC)        ||
+               (status & VID_B_MSK_VBI_SYNC)    ||
+               (status & VID_B_MSK_OF)          ||
+               (status & VID_B_MSK_VBI_OF)) {
+               printk(KERN_ERR "%s: V4L mpeg risc op code error, status "
+                       "= 0x%x\n", dev->name, status);
+               if (status & VID_B_MSK_BAD_PKT)
+                       dprintk(1, "        VID_B_MSK_BAD_PKT\n");
+               if (status & VID_B_MSK_OPC_ERR)
+                       dprintk(1, "        VID_B_MSK_OPC_ERR\n");
+               if (status & VID_B_MSK_VBI_OPC_ERR)
+                       dprintk(1, "        VID_B_MSK_VBI_OPC_ERR\n");
+               if (status & VID_B_MSK_SYNC)
+                       dprintk(1, "        VID_B_MSK_SYNC\n");
+               if (status & VID_B_MSK_VBI_SYNC)
+                       dprintk(1, "        VID_B_MSK_VBI_SYNC\n");
+               if (status & VID_B_MSK_OF)
+                       dprintk(1, "        VID_B_MSK_OF\n");
+               if (status & VID_B_MSK_VBI_OF)
+                       dprintk(1, "        VID_B_MSK_VBI_OF\n");
+
+               cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
+               cx23885_sram_channel_dump(dev,
+                       &dev->sram_channels[port->sram_chno]);
+               cx23885_417_check_encoder(dev);
+       } else if (status & VID_B_MSK_RISCI1) {
+               dprintk(7, "        VID_B_MSK_RISCI1\n");
+               spin_lock(&port->slock);
+               cx23885_wakeup(port, &port->mpegq, count);
+               spin_unlock(&port->slock);
+       } else if (status & VID_B_MSK_RISCI2) {
+               dprintk(7, "        VID_B_MSK_RISCI2\n");
+               spin_lock(&port->slock);
+               cx23885_restart_queue(port, &port->mpegq);
+               spin_unlock(&port->slock);
+       }
+       if (status) {
+               cx_write(port->reg_ts_int_stat, status);
+               handled = 1;
+       }
+
+       return handled;
+}
+
 static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status)
 {
        struct cx23885_dev *dev = port->dev;
        int handled = 0;
        u32 count;
 
-       if ( (status & VID_BC_MSK_OPC_ERR) ||
-            (status & VID_BC_MSK_BAD_PKT) ||
-            (status & VID_BC_MSK_SYNC) ||
-            (status & VID_BC_MSK_OF))
+       if ((status & VID_BC_MSK_OPC_ERR) ||
+               (status & VID_BC_MSK_BAD_PKT) ||
+               (status & VID_BC_MSK_SYNC) ||
+               (status & VID_BC_MSK_OF))
        {
                if (status & VID_BC_MSK_OPC_ERR)
                        dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", VID_BC_MSK_OPC_ERR);
@@ -1290,7 +1546,8 @@ static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status)
                printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name);
 
                cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
-               cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
+               cx23885_sram_channel_dump(dev,
+                       &dev->sram_channels[port->sram_chno]);
 
        } else if (status & VID_BC_MSK_RISCI1) {
 
@@ -1324,12 +1581,15 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
        struct cx23885_tsport *ts1 = &dev->ts1;
        struct cx23885_tsport *ts2 = &dev->ts2;
        u32 pci_status, pci_mask;
+       u32 vida_status, vida_mask;
        u32 ts1_status, ts1_mask;
        u32 ts2_status, ts2_mask;
-       int ts1_count = 0, ts2_count = 0, handled = 0;
+       int vida_count = 0, ts1_count = 0, ts2_count = 0, handled = 0;
 
        pci_status = cx_read(PCI_INT_STAT);
        pci_mask = cx_read(PCI_INT_MSK);
+       vida_status = cx_read(VID_A_INT_STAT);
+       vida_mask = cx_read(VID_A_INT_MSK);
        ts1_status = cx_read(VID_B_INT_STAT);
        ts1_mask = cx_read(VID_B_INT_MSK);
        ts2_status = cx_read(VID_C_INT_STAT);
@@ -1338,11 +1598,17 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
        if ( (pci_status == 0) && (ts2_status == 0) && (ts1_status == 0) )
                goto out;
 
+       vida_count = cx_read(VID_A_GPCNT);
        ts1_count = cx_read(ts1->reg_gpcnt);
        ts2_count = cx_read(ts2->reg_gpcnt);
-       dprintk(7, "pci_status: 0x%08x  pci_mask: 0x%08x\n", pci_status, pci_mask );
-       dprintk(7, "ts1_status: 0x%08x  ts1_mask: 0x%08x count: 0x%x\n", ts1_status, ts1_mask, ts1_count );
-       dprintk(7, "ts2_status: 0x%08x  ts2_mask: 0x%08x count: 0x%x\n", ts2_status, ts2_mask, ts2_count );
+       dprintk(7, "pci_status: 0x%08x  pci_mask: 0x%08x\n",
+               pci_status, pci_mask);
+       dprintk(7, "vida_status: 0x%08x vida_mask: 0x%08x count: 0x%x\n",
+               vida_status, vida_mask, vida_count);
+       dprintk(7, "ts1_status: 0x%08x  ts1_mask: 0x%08x count: 0x%x\n",
+               ts1_status, ts1_mask, ts1_count);
+       dprintk(7, "ts2_status: 0x%08x  ts2_mask: 0x%08x count: 0x%x\n",
+               ts2_status, ts2_mask, ts2_count);
 
        if ( (pci_status & PCI_MSK_RISC_RD) ||
             (pci_status & PCI_MSK_RISC_WR) ||
@@ -1379,11 +1645,24 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 
        }
 
-       if (ts1_status)
-               handled += cx23885_irq_ts(ts1, ts1_status);
+       if (ts1_status) {
+               if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
+                       handled += cx23885_irq_ts(ts1, ts1_status);
+               else
+               if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+                       handled += cx23885_irq_417(dev, ts1_status);
+       }
+
+       if (ts2_status) {
+               if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB)
+                       handled += cx23885_irq_ts(ts2, ts2_status);
+               else
+               if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER)
+                       handled += cx23885_irq_417(dev, ts2_status);
+       }
 
-       if (ts2_status)
-               handled += cx23885_irq_ts(ts2, ts2_status);
+       if (vida_status)
+               handled += cx23885_video_irq(dev, vida_status);
 
        if (handled)
                cx_write(PCI_INT_STAT, pci_status);
@@ -1419,7 +1698,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
        printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
               "latency: %d, mmio: 0x%llx\n", dev->name,
               pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
-              dev->pci_lat, (unsigned long long)pci_resource_start(pci_dev,0));
+              dev->pci_lat,
+               (unsigned long long)pci_resource_start(pci_dev, 0));
 
        pci_set_master(pci_dev);
        if (!pci_dma_supported(pci_dev, 0xffffffff)) {