[patch] v4l: bttv driver update

From: Gerd Knorr
Date: Tue Mar 08 2005 - 05:54:51 EST

This is a bttv driver update, changes:
* add support for a new card.
* add some debug code (bt878 risc disassembler).
* drop some obsolete i2c code.

Signed-off-by: Gerd Knorr <kraxel@xxxxxxxxxxx>
---
drivers/media/video/btcx-risc.c | 12 +-
drivers/media/video/bttv-cards.c | 175 +++++++++++++++++++++++++++++-
drivers/media/video/bttv-driver.c | 93 +++++++++++++--
drivers/media/video/bttv-gpio.c | 17 --
drivers/media/video/bttv-i2c.c | 15 --
drivers/media/video/bttv.h | 5
drivers/media/video/bttvp.h | 3
7 files changed, 263 insertions(+), 57 deletions(-)

Index: linux-2.6.11/drivers/media/video/bttv.h
===================================================================
--- linux-2.6.11.orig/drivers/media/video/bttv.h 2005-03-07 15:25:35.000000000 +0100
+++ linux-2.6.11/drivers/media/video/bttv.h 2005-03-07 16:23:11.000000000 +0100
@@ -1,5 +1,5 @@
/*
- * $Id: bttv.h,v 1.15 2005/01/24 17:37:23 kraxel Exp $
+ * $Id: bttv.h,v 1.17 2005/02/22 14:06:32 kraxel Exp $
*
* bttv - Bt848 frame grabber driver
*
@@ -134,6 +134,7 @@
#define BTTV_APAC_VIEWCOMP 0x7f
#define BTTV_DVICO_DVBT_LITE 0x80
#define BTTV_TIBET_CS16 0x83
+#define BTTV_KODICOM_4400R 0x84

/* i2c address list */
#define I2C_TSA5522 0xc2
@@ -302,8 +303,6 @@ struct bttv_sub_driver {
struct device_driver drv;
char wanted[BUS_ID_SIZE];
void (*gpio_irq)(struct bttv_sub_device *sub);
- void (*i2c_info)(struct bttv_sub_device *sub,
- struct i2c_client *client, int attach);
};
#define to_bttv_sub_drv(x) container_of((x), struct bttv_sub_driver, drv)

Index: linux-2.6.11/drivers/media/video/bttvp.h
===================================================================
--- linux-2.6.11.orig/drivers/media/video/bttvp.h 2005-03-07 15:25:35.000000000 +0100
+++ linux-2.6.11/drivers/media/video/bttvp.h 2005-03-07 16:23:03.000000000 +0100
@@ -1,5 +1,5 @@
/*
- $Id: bttvp.h,v 1.16 2005/01/24 17:37:23 kraxel Exp $
+ $Id: bttvp.h,v 1.17 2005/02/16 12:14:10 kraxel Exp $

bttv - Bt848 frame grabber driver

@@ -209,7 +209,6 @@ extern struct bus_type bttv_sub_bus_type
int bttv_sub_add_device(struct bttv_core *core, char *name);
int bttv_sub_del_devices(struct bttv_core *core);
void bttv_gpio_irq(struct bttv_core *core);
-void bttv_i2c_info(struct bttv_core *core, struct i2c_client *client, int attach);


/* ---------------------------------------------------------- */
Index: linux-2.6.11/drivers/media/video/bttv-cards.c
===================================================================
--- linux-2.6.11.orig/drivers/media/video/bttv-cards.c 2005-03-07 15:25:35.000000000 +0100
+++ linux-2.6.11/drivers/media/video/bttv-cards.c 2005-03-07 16:23:11.000000000 +0100
@@ -1,5 +1,5 @@
/*
- $Id: bttv-cards.c,v 1.44 2005/01/31 11:35:05 kraxel Exp $
+ $Id: bttv-cards.c,v 1.47 2005/02/22 14:06:32 kraxel Exp $

bttv-cards.c

@@ -80,6 +80,9 @@ static void picolo_tetra_init(struct btt
static void tibetCS16_muxsel(struct bttv *btv, unsigned int input);
static void tibetCS16_init(struct bttv *btv);

+static void kodicom4400r_muxsel(struct bttv *btv, unsigned int input);
+static void kodicom4400r_init(struct bttv *btv);
+
static void sigmaSLC_muxsel(struct bttv *btv, unsigned int input);
static void sigmaSQ_muxsel(struct bttv *btv, unsigned int input);

@@ -101,6 +104,7 @@ static unsigned int pll[BTTV_MAX] = {
static unsigned int tuner[BTTV_MAX] = { [ 0 ... (BTTV_MAX-1) ] = UNSET };
static unsigned int svhs[BTTV_MAX] = { [ 0 ... (BTTV_MAX-1) ] = UNSET };
static unsigned int remote[BTTV_MAX] = { [ 0 ... (BTTV_MAX-1) ] = UNSET };
+static struct bttv *master[BTTV_MAX] = { [ 0 ... (BTTV_MAX-1) ] = NULL };
#ifdef MODULE
static unsigned int autoload = 1;
#else
@@ -293,7 +297,7 @@ static struct CARD {
{ 0x07611461, BTTV_AVDVBT_761, "AverMedia AverTV DVB-T 761" },
{ 0x001c11bd, BTTV_PINNACLESAT, "Pinnacle PCTV Sat" },
{ 0x002611bd, BTTV_TWINHAN_DST, "Pinnacle PCTV SAT CI" },
- { 0x00011822, BTTV_TWINHAN_DST, "Twinhan VisionPlus DVB-T" },
+ { 0x00011822, BTTV_TWINHAN_DST, "Twinhan VisionPlus DVB" },
{ 0xfc00270f, BTTV_TWINHAN_DST, "ChainTech digitop DST-1000 DVB-S" },
{ 0x07711461, BTTV_AVDVBT_771, "AVermedia AverTV DVB-T 771" },
{ 0xdb1018ac, BTTV_DVICO_DVBT_LITE, "DVICO FusionHDTV DVB-T Lite" },
@@ -1922,6 +1926,7 @@ struct tvcard bttv_tvcards[] = {
.svhs = 2,
.muxsel = { 2, 3, 1, 0},
.tuner_type = TUNER_PHILIPS_ATSC,
+ .has_dvb = 1,
},{
.name = "Twinhan DST + clones",
.no_msp34xx = 1,
@@ -2190,6 +2195,63 @@ struct tvcard bttv_tvcards[] = {
.no_tda7432 = 1,
.tuner_type = -1,
.muxsel_hook = tibetCS16_muxsel,
+},
+{
+ /* Bill Brack <wbrack@xxxxxxxxxx> */
+ /*
+ * Note that, because of the card's wiring, the "master"
+ * BT878A chip (i.e. the one which controls the analog switch
+ * and must use this card type) is the 2nd one detected. The
+ * other 3 chips should use card type 0x85, whose description
+ * follows this one. There is a EEPROM on the card (which is
+ * connected to the I2C of one of those other chips), but is
+ * not currently handled. There is also a facility for a
+ * "monitor", which is also not currently implemented.
+ */
+ .name = "Kodicom 4400R (master)",
+ .video_inputs = 16,
+ .audio_inputs = 0,
+ .tuner = -1,
+ .tuner_type = -1,
+ .svhs = -1,
+ /* GPIO bits 0-9 used for analog switch:
+ * 00 - 03: camera selector
+ * 04 - 06: channel (controller) selector
+ * 07: data (1->on, 0->off)
+ * 08: strobe
+ * 09: reset
+ * bit 16 is input from sync separator for the channel
+ */
+ .gpiomask = 0x0003ff,
+ .no_gpioirq = 1,
+ .muxsel = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
+ .pll = PLL_28,
+ .no_msp34xx = 1,
+ .no_tda7432 = 1,
+ .no_tda9875 = 1,
+ .muxsel_hook = kodicom4400r_muxsel,
+},
+{
+ /* Bill Brack <wbrack@xxxxxxxxxx> */
+ /* Note that, for reasons unknown, the "master" BT878A chip (i.e. the
+ * one which controls the analog switch, and must use the card type)
+ * is the 2nd one detected. The other 3 chips should use this card
+ * type
+ */
+ .name = "Kodicom 4400R (slave)",
+ .video_inputs = 16,
+ .audio_inputs = 0,
+ .tuner = -1,
+ .tuner_type = -1,
+ .svhs = -1,
+ .gpiomask = 0x010000,
+ .no_gpioirq = 1,
+ .muxsel = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
+ .pll = PLL_28,
+ .no_msp34xx = 1,
+ .no_tda7432 = 1,
+ .no_tda9875 = 1,
+ .muxsel_hook = kodicom4400r_muxsel,
}};

static const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards);
@@ -2684,6 +2746,9 @@ void __devinit bttv_init_card2(struct bt
case BTTV_TIBET_CS16:
tibetCS16_init(btv);
break;
+ case BTTV_KODICOM_4400R:
+ kodicom4400r_init(btv);
+ break;
}

/* pll configuration */
@@ -3896,6 +3961,112 @@ static void tibetCS16_init(struct bttv *
gpio_write(0x0f7fff);
}

+/*
+ * The following routines for the Kodicom-4400r get a little mind-twisting.
+ * There is a "master" controller and three "slave" controllers, together
+ * an analog switch which connects any of 16 cameras to any of the BT87A's.
+ * The analog switch is controlled by the "master", but the detection order
+ * of the four BT878A chips is in an order which I just don't understand.
+ * The "master" is actually the second controller to be detected. The
+ * logic on the board uses logical numbers for the 4 controlers, but
+ * those numbers are different from the detection sequence. When working
+ * with the analog switch, we need to "map" from the detection sequence
+ * over to the board's logical controller number. This mapping sequence
+ * is {3, 0, 2, 1}, i.e. the first controller to be detected is logical
+ * unit 3, the second (which is the master) is logical unit 0, etc.
+ * We need to maintain the status of the analog switch (which of the 16
+ * cameras is connected to which of the 4 controllers). Rather than
+ * add to the bttv structure for this, we use the data reserved for
+ * the mbox (unused for this card type).
+ */
+
+/*
+ * First a routine to set the analog switch, which controls which camera
+ * is routed to which controller. The switch comprises an X-address
+ * (gpio bits 0-3, representing the camera, ranging from 0-15), and a
+ * Y-address (gpio bits 4-6, representing the controller, ranging from 0-3).
+ * A data value (gpio bit 7) of '1' enables the switch, and '0' disables
+ * the switch. A STROBE bit (gpio bit 8) latches the data value into the
+ * specified address. The idea is to set the address and data, then bring
+ * STROBE high, and finally bring STROBE back to low.
+ */
+static void kodicom4400r_write(struct bttv *btv,
+ unsigned char xaddr,
+ unsigned char yaddr,
+ unsigned char data) {
+ unsigned int udata;
+
+ udata = (data << 7) | ((yaddr&3) << 4) | (xaddr&0xf);
+ gpio_bits(0x1ff, udata); /* write ADDR and DAT */
+ gpio_bits(0x1ff, udata | (1 << 8)); /* strobe high */
+ gpio_bits(0x1ff, udata); /* strobe low */
+}
+
+/*
+ * Next the mux select. Both the "master" and "slave" 'cards' (controllers)
+ * use this routine. The routine finds the "master" for the card, maps
+ * the controller number from the detected position over to the logical
+ * number, writes the appropriate data to the analog switch, and housekeeps
+ * the local copy of the switch information. The parameter 'input' is the
+ * requested camera number (0 - 15).
+ */
+static void kodicom4400r_muxsel(struct bttv *btv, unsigned int input)
+{
+ char *sw_status;
+ int xaddr, yaddr;
+ struct bttv *mctlr;
+ static unsigned char map[4] = {3, 0, 2, 1};
+
+ mctlr = master[btv->c.nr];
+ if (mctlr == NULL) { /* ignore if master not yet detected */
+ return;
+ }
+ yaddr = (btv->c.nr - mctlr->c.nr + 1) & 3; /* the '&' is for safety */
+ yaddr = map[yaddr];
+ sw_status = (char *)(&mctlr->mbox_we);
+ xaddr = input & 0xf;
+ /* Check if the controller/camera pair has changed, else ignore */
+ if (sw_status[yaddr] != xaddr)
+ {
+ /* "open" the old switch, "close" the new one, save the new */
+ kodicom4400r_write(mctlr, sw_status[yaddr], yaddr, 0);
+ sw_status[yaddr] = xaddr;
+ kodicom4400r_write(mctlr, xaddr, yaddr, 1);
+ }
+}
+
+/*
+ * During initialisation, we need to reset the analog switch. We
+ * also preset the switch to map the 4 connectors on the card to the
+ * *user's* (see above description of kodicom4400r_muxsel) channels
+ * 0 through 3
+ */
+static void kodicom4400r_init(struct bttv *btv)
+{
+ char *sw_status = (char *)(&btv->mbox_we);
+ int ix;
+
+ gpio_inout(0x0003ff, 0x0003ff);
+ gpio_write(1 << 9); /* reset MUX */
+ gpio_write(0);
+ /* Preset camera 0 to the 4 controllers */
+ for (ix=0; ix<4; ix++) {
+ sw_status[ix] = ix;
+ kodicom4400r_write(btv, ix, ix, 1);
+ }
+ /*
+ * Since this is the "master", we need to set up the
+ * other three controller chips' pointers to this structure
+ * for later use in the muxsel routine.
+ */
+ if ((btv->c.nr<1) || (btv->c.nr>BTTV_MAX-3))
+ return;
+ master[btv->c.nr-1] = btv;
+ master[btv->c.nr] = btv;
+ master[btv->c.nr+1] = btv;
+ master[btv->c.nr+2] = btv;
+}
+
// The Grandtec X-Guard framegrabber card uses two Dual 4-channel
// video multiplexers to provide up to 16 video inputs. These
// multiplexers are controlled by the lower 8 GPIO pins of the
Index: linux-2.6.11/drivers/media/video/bttv-gpio.c
===================================================================
--- linux-2.6.11.orig/drivers/media/video/bttv-gpio.c 2005-03-07 10:14:52.000000000 +0100
+++ linux-2.6.11/drivers/media/video/bttv-gpio.c 2005-03-07 16:23:03.000000000 +0100
@@ -1,5 +1,5 @@
/*
- $Id: bttv-gpio.c,v 1.6 2004/11/03 09:04:50 kraxel Exp $
+ $Id: bttv-gpio.c,v 1.7 2005/02/16 12:14:10 kraxel Exp $

bttv-gpio.c -- gpio sub drivers

@@ -94,6 +94,7 @@ int bttv_sub_del_devices(struct bttv_cor

list_for_each_safe(item,save,&core->subs) {
sub = list_entry(item,struct bttv_sub_device,list);
+ list_del(&sub->list);
device_unregister(&sub->dev);
}
return 0;
@@ -113,20 +114,6 @@ void bttv_gpio_irq(struct bttv_core *cor
}
}

-void bttv_i2c_info(struct bttv_core *core, struct i2c_client *client, int attach)
-{
- struct bttv_sub_driver *drv;
- struct bttv_sub_device *dev;
- struct list_head *item;
-
- list_for_each(item,&core->subs) {
- dev = list_entry(item,struct bttv_sub_device,list);
- drv = to_bttv_sub_drv(dev->dev.driver);
- if (drv && drv->i2c_info)
- drv->i2c_info(dev,client,attach);
- }
-}
-
/* ----------------------------------------------------------------------- */
/* external: sub-driver register/unregister */

Index: linux-2.6.11/drivers/media/video/bttv-i2c.c
===================================================================
--- linux-2.6.11.orig/drivers/media/video/bttv-i2c.c 2005-03-07 10:12:39.000000000 +0100
+++ linux-2.6.11/drivers/media/video/bttv-i2c.c 2005-03-07 16:23:03.000000000 +0100
@@ -1,5 +1,5 @@
/*
- $Id: bttv-i2c.c,v 1.17 2004/12/14 15:33:30 kraxel Exp $
+ $Id: bttv-i2c.c,v 1.18 2005/02/16 12:14:10 kraxel Exp $

bttv-i2c.c -- all the i2c code is here

@@ -39,7 +39,6 @@ static struct i2c_adapter bttv_i2c_adap_
static struct i2c_client bttv_i2c_client_template;

static int attach_inform(struct i2c_client *client);
-static int detach_inform(struct i2c_client *client);

static int i2c_debug = 0;
static int i2c_hw = 0;
@@ -112,7 +111,6 @@ static struct i2c_adapter bttv_i2c_adap_
I2C_DEVNAME("bt848"),
.id = I2C_HW_B_BT848,
.client_register = attach_inform,
- .client_unregister = detach_inform,
};

/* ----------------------------------------------------------------------- */
@@ -290,7 +288,6 @@ static struct i2c_adapter bttv_i2c_adap_
.id = I2C_ALGO_BIT | I2C_HW_B_BT848 /* FIXME */,
.algo = &bttv_algo,
.client_register = attach_inform,
- .client_unregister = detach_inform,
};

/* ----------------------------------------------------------------------- */
@@ -305,22 +302,12 @@ static int attach_inform(struct i2c_clie
if (btv->pinnacle_id != UNSET)
bttv_call_i2c_clients(btv,AUDC_CONFIG_PINNACLE,
&btv->pinnacle_id);
- bttv_i2c_info(&btv->c, client, 1);
-
if (bttv_debug)
printk("bttv%d: i2c attach [client=%s]\n",
btv->c.nr, i2c_clientname(client));
return 0;
}

-static int detach_inform(struct i2c_client *client)
-{
- struct bttv *btv = i2c_get_adapdata(client->adapter);
-
- bttv_i2c_info(&btv->c, client, 0);
- return 0;
-}
-
void bttv_call_i2c_clients(struct bttv *btv, unsigned int cmd, void *arg)
{
if (0 != btv->i2c_rc)
Index: linux-2.6.11/drivers/media/video/btcx-risc.c
===================================================================
--- linux-2.6.11.orig/drivers/media/video/btcx-risc.c 2005-03-07 10:12:26.000000000 +0100
+++ linux-2.6.11/drivers/media/video/btcx-risc.c 2005-03-07 16:23:11.000000000 +0100
@@ -1,5 +1,5 @@
/*
- $Id: btcx-risc.c,v 1.5 2004/12/10 12:33:39 kraxel Exp $
+ $Id: btcx-risc.c,v 1.6 2005/02/21 13:57:59 kraxel Exp $

btcx-risc.c

@@ -52,12 +52,13 @@ void btcx_riscmem_free(struct pci_dev *p
{
if (NULL == risc->cpu)
return;
- pci_free_consistent(pci, risc->size, risc->cpu, risc->dma);
- memset(risc,0,sizeof(*risc));
if (debug) {
memcnt--;
- printk("btcx: riscmem free [%d]\n",memcnt);
+ printk("btcx: riscmem free [%d] dma=%lx\n",
+ memcnt, (unsigned long)risc->dma);
}
+ pci_free_consistent(pci, risc->size, risc->cpu, risc->dma);
+ memset(risc,0,sizeof(*risc));
}

int btcx_riscmem_alloc(struct pci_dev *pci,
@@ -78,7 +79,8 @@ int btcx_riscmem_alloc(struct pci_dev *p
risc->size = size;
if (debug) {
memcnt++;
- printk("btcx: riscmem alloc size=%d [%d]\n",size,memcnt);
+ printk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n",
+ memcnt, (unsigned long)dma, cpu, size);
}
}
memset(risc->cpu,0,risc->size);
Index: linux-2.6.11/drivers/media/video/bttv-driver.c
===================================================================
--- linux-2.6.11.orig/drivers/media/video/bttv-driver.c 2005-03-07 15:25:35.000000000 +0100
+++ linux-2.6.11/drivers/media/video/bttv-driver.c 2005-03-07 16:23:11.000000000 +0100
@@ -1,5 +1,5 @@
/*
- $Id: bttv-driver.c,v 1.36 2005/02/15 10:51:53 kraxel Exp $
+ $Id: bttv-driver.c,v 1.37 2005/02/21 13:57:59 kraxel Exp $

bttv - Bt848 frame grabber driver

@@ -3167,6 +3167,82 @@ static struct video_device radio_templat
};

/* ----------------------------------------------------------------------- */
+/* some debug code */
+
+int bttv_risc_decode(u32 risc)
+{
+ static char *instr[16] = {
+ [ BT848_RISC_WRITE >> 28 ] = "write",
+ [ BT848_RISC_SKIP >> 28 ] = "skip",
+ [ BT848_RISC_WRITEC >> 28 ] = "writec",
+ [ BT848_RISC_JUMP >> 28 ] = "jump",
+ [ BT848_RISC_SYNC >> 28 ] = "sync",
+ [ BT848_RISC_WRITE123 >> 28 ] = "write123",
+ [ BT848_RISC_SKIP123 >> 28 ] = "skip123",
+ [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23",
+ };
+ static int incr[16] = {
+ [ BT848_RISC_WRITE >> 28 ] = 2,
+ [ BT848_RISC_JUMP >> 28 ] = 2,
+ [ BT848_RISC_SYNC >> 28 ] = 2,
+ [ BT848_RISC_WRITE123 >> 28 ] = 5,
+ [ BT848_RISC_SKIP123 >> 28 ] = 2,
+ [ BT848_RISC_WRITE1S23 >> 28 ] = 3,
+ };
+ static char *bits[] = {
+ "be0", "be1", "be2", "be3/resync",
+ "set0", "set1", "set2", "set3",
+ "clr0", "clr1", "clr2", "clr3",
+ "irq", "res", "eol", "sol",
+ };
+ int i;
+
+ printk("0x%08x [ %s", risc,
+ instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
+ for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
+ if (risc & (1 << (i + 12)))
+ printk(" %s",bits[i]);
+ printk(" count=%d ]\n", risc & 0xfff);
+ return incr[risc >> 28] ? incr[risc >> 28] : 1;
+}
+
+void bttv_risc_disasm(struct bttv *btv,
+ struct btcx_riscmem *risc)
+{
+ unsigned int i,j,n;
+
+ printk("%s: risc disasm: %p [dma=0x%08lx]\n",
+ btv->c.name, risc->cpu, (unsigned long)risc->dma);
+ for (i = 0; i < (risc->size >> 2); i += n) {
+ printk("%s: 0x%lx: ", btv->c.name,
+ (unsigned long)(risc->dma + (i<<2)));
+ n = bttv_risc_decode(risc->cpu[i]);
+ for (j = 1; j < n; j++)
+ printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
+ btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)),
+ risc->cpu[i+j], j);
+ if (0 == risc->cpu[i])
+ break;
+ }
+}
+
+static void bttv_print_riscaddr(struct bttv *btv)
+{
+ printk(" main: %08Lx\n",
+ (unsigned long long)btv->main.dma);
+ printk(" vbi : o=%08Lx e=%08Lx\n",
+ btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
+ btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
+ printk(" cap : o=%08Lx e=%08Lx\n",
+ btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0,
+ btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
+ printk(" scr : o=%08Lx e=%08Lx\n",
+ btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
+ btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
+ bttv_risc_disasm(btv, &btv->main);
+}
+
+/* ----------------------------------------------------------------------- */
/* irq handler */

static char *irq_name[] = {
@@ -3204,21 +3280,6 @@ static void bttv_print_irqbits(u32 print
}
}

-static void bttv_print_riscaddr(struct bttv *btv)
-{
- printk(" main: %08Lx\n",
- (unsigned long long)btv->main.dma);
- printk(" vbi : o=%08Lx e=%08Lx\n",
- btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
- btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
- printk(" cap : o=%08Lx e=%08Lx\n",
- btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0,
- btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
- printk(" scr : o=%08Lx e=%08Lx\n",
- btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
- btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
-}
-
static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
{
printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",

--
#define printk(args...) fprintf(stderr, ## args)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/