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path: root/drivers/media/dvb/bt8xx/dvb-bt8xx.c
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Diffstat (limited to 'drivers/media/dvb/bt8xx/dvb-bt8xx.c')
-rw-r--r--drivers/media/dvb/bt8xx/dvb-bt8xx.c797
1 files changed, 797 insertions, 0 deletions
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
new file mode 100644
index 000000000000..b735397f59aa
--- /dev/null
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -0,0 +1,797 @@
+/*
+ * Bt8xx based DVB adapter driver
+ *
+ * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * 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 <linux/bitops.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+
+#include "dvb-bt8xx.h"
+
+#include "bt878.h"
+
+static int debug;
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk( args... ) \
+ do { \
+ if (debug) printk(KERN_DEBUG args); \
+ } while (0)
+
+static void dvb_bt8xx_task(unsigned long data)
+{
+ struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
+
+ //printk("%d ", card->bt->finished_block);
+
+ while (card->bt->last_block != card->bt->finished_block) {
+ (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
+ (&card->demux,
+ &card->bt->buf_cpu[card->bt->last_block *
+ card->bt->block_bytes],
+ card->bt->block_bytes);
+ card->bt->last_block = (card->bt->last_block + 1) %
+ card->bt->block_count;
+ }
+}
+
+static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+ struct dvb_bt8xx_card *card = dvbdmx->priv;
+ int rc;
+
+ dprintk("dvb_bt8xx: start_feed\n");
+
+ if (!dvbdmx->dmx.frontend)
+ return -EINVAL;
+
+ down(&card->lock);
+ card->nfeeds++;
+ rc = card->nfeeds;
+ if (card->nfeeds == 1)
+ bt878_start(card->bt, card->gpio_mode,
+ card->op_sync_orin, card->irq_err_ignore);
+ up(&card->lock);
+ return rc;
+}
+
+static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+ struct dvb_bt8xx_card *card = dvbdmx->priv;
+
+ dprintk("dvb_bt8xx: stop_feed\n");
+
+ if (!dvbdmx->dmx.frontend)
+ return -EINVAL;
+
+ down(&card->lock);
+ card->nfeeds--;
+ if (card->nfeeds == 0)
+ bt878_stop(card->bt);
+ up(&card->lock);
+
+ return 0;
+}
+
+static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
+{
+ if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
+ (adev->subsystem_device == bdev->subsystem_device) &&
+ (adev->bus->number == bdev->bus->number) &&
+ (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
+ return 1;
+ return 0;
+}
+
+static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
+{
+ unsigned int card_nr;
+
+ /* Hmm, n squared. Hope n is small */
+ for (card_nr = 0; card_nr < bt878_num; card_nr++) {
+ if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
+ return &bt878[card_nr];
+ }
+ return NULL;
+}
+
+
+static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
+{
+ static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
+ static u8 mt352_reset [] = { 0x50, 0x80 };
+ static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
+ static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
+ static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
+ static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
+
+ mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
+ udelay(2000);
+ mt352_write(fe, mt352_reset, sizeof(mt352_reset));
+ mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
+
+ mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
+ mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
+ mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
+
+ return 0;
+}
+
+static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
+{
+ u32 div;
+ unsigned char bs = 0;
+ unsigned char cp = 0;
+
+ #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
+ div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
+
+ if (params->frequency < 542000000) cp = 0xb4;
+ else if (params->frequency < 771000000) cp = 0xbc;
+ else cp = 0xf4;
+
+ if (params->frequency == 0) bs = 0x03;
+ else if (params->frequency < 443250000) bs = 0x02;
+ else bs = 0x08;
+
+ pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
+ pllbuf[1] = div >> 8;
+ pllbuf[2] = div & 0xff;
+ pllbuf[3] = cp;
+ pllbuf[4] = bs;
+
+ return 0;
+}
+
+static struct mt352_config thomson_dtt7579_config = {
+
+ .demod_address = 0x0f,
+ .demod_init = thomson_dtt7579_demod_init,
+ .pll_set = thomson_dtt7579_pll_set,
+};
+
+static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+ u32 freq = params->frequency;
+
+ int i, a, n, pump;
+ u32 band, pll;
+
+
+ u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
+ 1576000,1718000,1856000,2036000,2150000};
+ u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
+ 0x00102000,0x00104000,0x00108000,0x00110000,
+ 0x00120000,0x00140000};
+
+#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
+ printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
+
+ /* This is really the bit driving the tuner chip cx24108 */
+
+ if(freq<950000) freq=950000; /* kHz */
+ if(freq>2150000) freq=2150000; /* satellite IF is 950..2150MHz */
+
+ /* decide which VCO to use for the input frequency */
+ for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
+ printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
+ band=bandsel[i];
+ /* the gain values must be set by SetSymbolrate */
+ /* compute the pll divider needed, from Conexant data sheet,
+ resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
+ depending on the divider bit. It is set to /4 on the 2 lowest
+ bands */
+ n=((i<=2?2:1)*freq*10L)/(XTAL/100);
+ a=n%32; n/=32; if(a==0) n--;
+ pump=(freq<(osci[i-1]+osci[i])/2);
+ pll=0xf8000000|
+ ((pump?1:2)<<(14+11))|
+ ((n&0x1ff)<<(5+11))|
+ ((a&0x1f)<<11);
+ /* everything is shifted left 11 bits to left-align the bits in the
+ 32bit word. Output to the tuner goes MSB-aligned, after all */
+ printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
+ cx24110_pll_write(fe,band);
+ /* set vga and vca to their widest-band settings, as a precaution.
+ SetSymbolrate might not be called to set this up */
+ cx24110_pll_write(fe,0x500c0000);
+ cx24110_pll_write(fe,0x83f1f800);
+ cx24110_pll_write(fe,pll);
+/* writereg(client,0x56,0x7f);*/
+
+ return 0;
+}
+
+static int pinnsat_pll_init(struct dvb_frontend* fe)
+{
+ return 0;
+}
+
+
+static struct cx24110_config pctvsat_config = {
+
+ .demod_address = 0x55,
+ .pll_init = pinnsat_pll_init,
+ .pll_set = cx24108_pll_set,
+};
+
+
+static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+ struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
+ u8 cfg, cpump, band_select;
+ u8 data[4];
+ u32 div;
+ struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
+
+ div = (36000000 + params->frequency + 83333) / 166666;
+ cfg = 0x88;
+
+ if (params->frequency < 175000000) cpump = 2;
+ else if (params->frequency < 390000000) cpump = 1;
+ else if (params->frequency < 470000000) cpump = 2;
+ else if (params->frequency < 750000000) cpump = 2;
+ else cpump = 3;
+
+ if (params->frequency < 175000000) band_select = 0x0e;
+ else if (params->frequency < 470000000) band_select = 0x05;
+ else band_select = 0x03;
+
+ data[0] = (div >> 8) & 0x7f;
+ data[1] = div & 0xff;
+ data[2] = ((div >> 10) & 0x60) | cfg;
+ data[3] = cpump | band_select;
+
+ i2c_transfer(card->i2c_adapter, &msg, 1);
+ return (div * 166666 - 36000000);
+}
+
+static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
+{
+ struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
+
+ return request_firmware(fw, name, &bt->bt->dev->dev);
+}
+
+static struct sp887x_config microtune_mt7202dtf_config = {
+
+ .demod_address = 0x70,
+ .pll_set = microtune_mt7202dtf_pll_set,
+ .request_firmware = microtune_mt7202dtf_request_firmware,
+};
+
+
+
+static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
+{
+ static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
+ static u8 mt352_reset [] = { 0x50, 0x80 };
+ static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
+ static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
+ 0x00, 0xFF, 0x00, 0x40, 0x40 };
+ static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
+ static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
+
+
+ mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
+ udelay(2000);
+ mt352_write(fe, mt352_reset, sizeof(mt352_reset));
+ mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
+
+ mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
+ udelay(2000);
+ mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
+ mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
+
+ return 0;
+}
+
+static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
+{
+ u32 div;
+ unsigned char bs = 0;
+ unsigned char cp = 0;
+
+ #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
+ div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
+
+ if (params->frequency < 150000000) cp = 0xB4;
+ else if (params->frequency < 173000000) cp = 0xBC;
+ else if (params->frequency < 250000000) cp = 0xB4;
+ else if (params->frequency < 400000000) cp = 0xBC;
+ else if (params->frequency < 420000000) cp = 0xF4;
+ else if (params->frequency < 470000000) cp = 0xFC;
+ else if (params->frequency < 600000000) cp = 0xBC;
+ else if (params->frequency < 730000000) cp = 0xF4;
+ else cp = 0xFC;
+
+ if (params->frequency < 150000000) bs = 0x01;
+ else if (params->frequency < 173000000) bs = 0x01;
+ else if (params->frequency < 250000000) bs = 0x02;
+ else if (params->frequency < 400000000) bs = 0x02;
+ else if (params->frequency < 420000000) bs = 0x02;
+ else if (params->frequency < 470000000) bs = 0x02;
+ else if (params->frequency < 600000000) bs = 0x08;
+ else if (params->frequency < 730000000) bs = 0x08;
+ else bs = 0x08;
+
+ pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
+ pllbuf[1] = div >> 8;
+ pllbuf[2] = div & 0xff;
+ pllbuf[3] = cp;
+ pllbuf[4] = bs;
+
+ return 0;
+}
+
+static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
+
+ .demod_address = 0x0f,
+ .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
+ .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
+};
+
+
+static struct dst_config dst_config = {
+
+ .demod_address = 0x55,
+};
+
+
+static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
+{
+ struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
+
+ return request_firmware(fw, name, &bt->bt->dev->dev);
+}
+
+static void or51211_setmode(struct dvb_frontend * fe, int mode)
+{
+ struct dvb_bt8xx_card *bt = fe->dvb->priv;
+ bttv_write_gpio(bt->bttv_nr, 0x0002, mode); /* Reset */
+ msleep(20);
+}
+
+static void or51211_reset(struct dvb_frontend * fe)
+{
+ struct dvb_bt8xx_card *bt = fe->dvb->priv;
+
+ /* RESET DEVICE
+ * reset is controled by GPIO-0
+ * when set to 0 causes reset and when to 1 for normal op
+ * must remain reset for 128 clock cycles on a 50Mhz clock
+ * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
+ * We assume that the reset has be held low long enough or we
+ * have been reset by a power on. When the driver is unloaded
+ * reset set to 0 so if reloaded we have been reset.
+ */
+ /* reset & PRM1,2&4 are outputs */
+ int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
+ if (ret != 0) {
+ printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR "
+ "(%i)\n", ret);
+ }
+ bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000); /* Reset */
+ msleep(20);
+ /* Now set for normal operation */
+ bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
+ /* wait for operation to begin */
+ msleep(500);
+}
+
+static void or51211_sleep(struct dvb_frontend * fe)
+{
+ struct dvb_bt8xx_card *bt = fe->dvb->priv;
+ bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
+}
+
+static struct or51211_config or51211_config = {
+
+ .demod_address = 0x15,
+ .request_firmware = or51211_request_firmware,
+ .setmode = or51211_setmode,
+ .reset = or51211_reset,
+ .sleep = or51211_sleep,
+};
+
+
+static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+ struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
+ u8 buf[4];
+ u32 div;
+ struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
+
+ div = (params->frequency + 36166667) / 166667;
+
+ buf[0] = (div >> 8) & 0x7F;
+ buf[1] = div & 0xFF;
+ buf[2] = 0x85;
+ if ((params->frequency >= 47000000) && (params->frequency < 153000000))
+ buf[3] = 0x01;
+ else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
+ buf[3] = 0x02;
+ else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
+ buf[3] = 0x0C;
+ else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
+ buf[3] = 0x8C;
+ else
+ return -EINVAL;
+
+ i2c_transfer(card->i2c_adapter, &msg, 1);
+ return 0;
+}
+
+static struct nxt6000_config vp3021_alps_tded4_config = {
+
+ .demod_address = 0x0a,
+ .clock_inversion = 1,
+ .pll_set = vp3021_alps_tded4_pll_set,
+};
+
+
+static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
+{
+ switch(type) {
+#ifdef BTTV_DVICO_DVBT_LITE
+ case BTTV_DVICO_DVBT_LITE:
+ card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
+ if (card->fe != NULL) {
+ card->fe->ops->info.frequency_min = 174000000;
+ card->fe->ops->info.frequency_max = 862000000;
+ break;
+ }
+ break;
+#endif
+
+#ifdef BTTV_TWINHAN_VP3021
+ case BTTV_TWINHAN_VP3021:
+#else
+ case BTTV_NEBULA_DIGITV:
+#endif
+ card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
+ if (card->fe != NULL) {
+ break;
+ }
+ break;
+
+ case BTTV_AVDVBT_761:
+ card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
+ if (card->fe != NULL) {
+ break;
+ }
+ break;
+
+ case BTTV_AVDVBT_771:
+ card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
+ if (card->fe != NULL) {
+ card->fe->ops->info.frequency_min = 174000000;
+ card->fe->ops->info.frequency_max = 862000000;
+ break;
+ }
+ break;
+
+ case BTTV_TWINHAN_DST:
+ card->fe = dst_attach(&dst_config, card->i2c_adapter, card->bt);
+ if (card->fe != NULL) {
+ break;
+ }
+ break;
+
+ case BTTV_PINNACLESAT:
+ card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
+ if (card->fe != NULL) {
+ break;
+ }
+ break;
+
+ case BTTV_PC_HDTV:
+ card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
+ if (card->fe != NULL) {
+ break;
+ }
+ break;
+ }
+
+ if (card->fe == NULL) {
+ printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
+ card->bt->dev->vendor,
+ card->bt->dev->device,
+ card->bt->dev->subsystem_vendor,
+ card->bt->dev->subsystem_device);
+ } else {
+ if (dvb_register_frontend(card->dvb_adapter, card->fe)) {
+ printk("dvb-bt8xx: Frontend registration failed!\n");
+ if (card->fe->ops->release)
+ card->fe->ops->release(card->fe);
+ card->fe = NULL;
+ }
+ }
+}
+
+static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
+{
+ int result;
+
+ if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
+ THIS_MODULE)) < 0) {
+ printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
+ return result;
+
+ }
+ card->dvb_adapter->priv = card;
+
+ card->bt->adapter = card->i2c_adapter;
+
+ memset(&card->demux, 0, sizeof(struct dvb_demux));
+
+ card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
+
+ card->demux.priv = card;
+ card->demux.filternum = 256;
+ card->demux.feednum = 256;
+ card->demux.start_feed = dvb_bt8xx_start_feed;
+ card->demux.stop_feed = dvb_bt8xx_stop_feed;
+ card->demux.write_to_decoder = NULL;
+
+ if ((result = dvb_dmx_init(&card->demux)) < 0) {
+ printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
+
+ dvb_unregister_adapter(card->dvb_adapter);
+ return result;
+ }
+
+ card->dmxdev.filternum = 256;
+ card->dmxdev.demux = &card->demux.dmx;
+ card->dmxdev.capabilities = 0;
+
+ if ((result = dvb_dmxdev_init(&card->dmxdev, card->dvb_adapter)) < 0) {
+ printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
+
+ dvb_dmx_release(&card->demux);
+ dvb_unregister_adapter(card->dvb_adapter);
+ return result;
+ }
+
+ card->fe_hw.source = DMX_FRONTEND_0;
+
+ if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
+ printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
+
+ dvb_dmxdev_release(&card->dmxdev);
+ dvb_dmx_release(&card->demux);
+ dvb_unregister_adapter(card->dvb_adapter);
+ return result;
+ }
+
+ card->fe_mem.source = DMX_MEMORY_FE;
+
+ if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
+ printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
+
+ card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
+ dvb_dmxdev_release(&card->dmxdev);
+ dvb_dmx_release(&card->demux);
+ dvb_unregister_adapter(card->dvb_adapter);
+ return result;
+ }
+
+ if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
+ printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
+
+ card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
+ card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
+ dvb_dmxdev_release(&card->dmxdev);
+ dvb_dmx_release(&card->demux);
+ dvb_unregister_adapter(card->dvb_adapter);
+ return result;
+ }
+
+ dvb_net_init(card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
+
+ tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
+
+ frontend_init(card, type);
+
+ return 0;
+}
+
+static int dvb_bt8xx_probe(struct device *dev)
+{
+ struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
+ struct dvb_bt8xx_card *card;
+ struct pci_dev* bttv_pci_dev;
+ int ret;
+
+ if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
+ return -ENOMEM;
+
+ memset(card, 0, sizeof(*card));
+ init_MUTEX(&card->lock);
+ card->bttv_nr = sub->core->nr;
+ strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
+ card->i2c_adapter = &sub->core->i2c_adap;
+
+ switch(sub->core->type)
+ {
+ case BTTV_PINNACLESAT:
+ card->gpio_mode = 0x0400c060;
+ /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
+ BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
+ card->op_sync_orin = 0;
+ card->irq_err_ignore = 0;
+ break;
+
+#ifdef BTTV_DVICO_DVBT_LITE
+ case BTTV_DVICO_DVBT_LITE:
+#endif
+ card->gpio_mode = 0x0400C060;
+ card->op_sync_orin = 0;
+ card->irq_err_ignore = 0;
+ /* 26, 15, 14, 6, 5
+ * A_PWRDN DA_DPM DA_SBR DA_IOM_DA
+ * DA_APP(parallel) */
+ break;
+
+#ifdef BTTV_TWINHAN_VP3021
+ case BTTV_TWINHAN_VP3021:
+#else
+ case BTTV_NEBULA_DIGITV:
+#endif
+ case BTTV_AVDVBT_761:
+ card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
+ card->op_sync_orin = 0;
+ card->irq_err_ignore = 0;
+ /* A_PWRDN DA_SBR DA_APP (high speed serial) */
+ break;
+
+ case BTTV_AVDVBT_771: //case 0x07711461:
+ card->gpio_mode = 0x0400402B;
+ card->op_sync_orin = BT878_RISC_SYNC_MASK;
+ card->irq_err_ignore = 0;
+ /* A_PWRDN DA_SBR DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
+ break;
+
+ case BTTV_TWINHAN_DST:
+ card->gpio_mode = 0x2204f2c;
+ card->op_sync_orin = BT878_RISC_SYNC_MASK;
+ card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
+ BT878_APPERR | BT878_AFBUS;
+ /* 25,21,14,11,10,9,8,3,2 then
+ * 0x33 = 5,4,1,0
+ * A_SEL=SML, DA_MLB, DA_SBR,
+ * DA_SDR=f, fifo trigger = 32 DWORDS
+ * IOM = 0 == audio A/D
+ * DPM = 0 == digital audio mode
+ * == async data parallel port
+ * then 0x33 (13 is set by start_capture)
+ * DA_APP = async data parallel port,
+ * ACAP_EN = 1,
+ * RISC+FIFO ENABLE */
+ break;
+
+ case BTTV_PC_HDTV:
+ card->gpio_mode = 0x0100EC7B;
+ card->op_sync_orin = 0;
+ card->irq_err_ignore = 0;
+ break;
+
+ default:
+ printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
+ sub->core->type);
+ kfree(card);
+ return -ENODEV;
+ }
+
+ dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
+
+ if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
+ printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
+ kfree(card);
+ return -EFAULT;
+ }
+
+ if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
+ printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
+ card->bttv_nr);
+ printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
+ "installed, try removing it.\n");
+
+ kfree(card);
+ return -EFAULT;
+
+ }
+
+ init_MUTEX(&card->bt->gpio_lock);
+ card->bt->bttv_nr = sub->core->nr;
+
+ if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
+ kfree(card);
+ return ret;
+ }
+
+ dev_set_drvdata(dev, card);
+ return 0;
+}
+
+static int dvb_bt8xx_remove(struct device *dev)
+{
+ struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
+
+ dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
+
+ bt878_stop(card->bt);
+ tasklet_kill(&card->bt->tasklet);
+ dvb_net_release(&card->dvbnet);
+ card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
+ card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
+ dvb_dmxdev_release(&card->dmxdev);
+ dvb_dmx_release(&card->demux);
+ if (card->fe) dvb_unregister_frontend(card->fe);
+ dvb_unregister_adapter(card->dvb_adapter);
+
+ kfree(card);
+
+ return 0;
+}
+
+static struct bttv_sub_driver driver = {
+ .drv = {
+ .name = "dvb-bt8xx",
+ .probe = dvb_bt8xx_probe,
+ .remove = dvb_bt8xx_remove,
+ /* FIXME:
+ * .shutdown = dvb_bt8xx_shutdown,
+ * .suspend = dvb_bt8xx_suspend,
+ * .resume = dvb_bt8xx_resume,
+ */
+ },
+};
+
+static int __init dvb_bt8xx_init(void)
+{
+ return bttv_sub_register(&driver, "dvb");
+}
+
+static void __exit dvb_bt8xx_exit(void)
+{
+ bttv_sub_unregister(&driver);
+}
+
+module_init(dvb_bt8xx_init);
+module_exit(dvb_bt8xx_exit);
+
+MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
+MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
+MODULE_LICENSE("GPL");