]> nv-tegra.nvidia Code Review - linux-2.6.git/blobdiff - drivers/media/video/cx23885/cx23885-dvb.c
V4L/DVB (9795): Add Compro VideoMate E650F (DVB-T part only).
[linux-2.6.git] / drivers / media / video / cx23885 / cx23885-dvb.c
index 6c21779852fb3cc78e042d51a531c4a9ab152505..1c454128a9df9c5fca5b2b6fd7253ed6111d5426 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 <media/v4l2-common.h>
 
 #include "s5h1409.h"
+#include "s5h1411.h"
 #include "mt2131.h"
 #include "tda8290.h"
 #include "tda18271.h"
 #include "lgdt330x.h"
 #include "xc5000.h"
-#include "dvb-pll.h"
+#include "tda10048.h"
 #include "tuner-xc2028.h"
-#include "tuner-xc2028-types.h"
+#include "tuner-simple.h"
+#include "dib7000p.h"
+#include "dibx000_common.h"
+#include "zl10353.h"
 
 static unsigned int debug;
 
@@ -53,6 +57,8 @@ static unsigned int alt_tuner;
 module_param(alt_tuner, int, 0644);
 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
 
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
 /* ------------------------------------------------------------------ */
 
 static int dvb_buf_setup(struct videobuf_queue *q,
@@ -72,19 +78,19 @@ static int dvb_buf_prepare(struct videobuf_queue *q,
                           struct videobuf_buffer *vb, enum v4l2_field field)
 {
        struct cx23885_tsport *port = q->priv_data;
-       return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
+       return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field);
 }
 
 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 {
        struct cx23885_tsport *port = q->priv_data;
-       cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
+       cx23885_buf_queue(port, (struct cx23885_buffer *)vb);
 }
 
 static void dvb_buf_release(struct videobuf_queue *q,
                            struct videobuf_buffer *vb)
 {
-       cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
+       cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
 }
 
 static struct videobuf_queue_ops dvb_qops = {
@@ -104,6 +110,13 @@ static struct s5h1409_config hauppauge_generic_config = {
        .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
+static struct tda10048_config hauppauge_hvr1200_config = {
+       .demod_address    = 0x10 >> 1,
+       .output_mode      = TDA10048_SERIAL_OUTPUT,
+       .fwbulkwritelen   = TDA10048_BULKWRITE_200,
+       .inversion        = TDA10048_INVERSION_ON
+};
+
 static struct s5h1409_config hauppauge_ezqam_config = {
        .demod_address = 0x32 >> 1,
        .output_mode   = S5H1409_SERIAL_OUTPUT,
@@ -153,10 +166,34 @@ static struct s5h1409_config hauppauge_hvr1500q_config = {
        .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
+static struct s5h1409_config dvico_s5h1409_config = {
+       .demod_address = 0x32 >> 1,
+       .output_mode   = S5H1409_SERIAL_OUTPUT,
+       .gpio          = S5H1409_GPIO_ON,
+       .qam_if        = 44000,
+       .inversion     = S5H1409_INVERSION_OFF,
+       .status_mode   = S5H1409_DEMODLOCKING,
+       .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
+};
+
+static struct s5h1411_config dvico_s5h1411_config = {
+       .output_mode   = S5H1411_SERIAL_OUTPUT,
+       .gpio          = S5H1411_GPIO_ON,
+       .qam_if        = S5H1411_IF_44000,
+       .vsb_if        = S5H1411_IF_44000,
+       .inversion     = S5H1411_INVERSION_OFF,
+       .status_mode   = S5H1411_DEMODLOCKING,
+       .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
+};
+
 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
        .i2c_address      = 0x61,
        .if_khz           = 5380,
-       .tuner_callback   = cx23885_tuner_callback
+};
+
+static struct xc5000_config dvico_xc5000_tunerconfig = {
+       .i2c_address      = 0x64,
+       .if_khz           = 5380,
 };
 
 static struct tda829x_config tda829x_no_probe = {
@@ -164,8 +201,10 @@ static struct tda829x_config tda829x_no_probe = {
 };
 
 static struct tda18271_std_map hauppauge_tda18271_std_map = {
-       .atsc_6   = { .if_freq = 5380, .std_bits = 0x1b },
-       .qam_6    = { .if_freq = 4000, .std_bits = 0x18 },
+       .atsc_6   = { .if_freq = 5380, .agc_mode = 3, .std = 3,
+                     .if_lvl = 6, .rfagc_top = 0x37 },
+       .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
+                     .if_lvl = 6, .rfagc_top = 0x37 },
 };
 
 static struct tda18271_config hauppauge_tda18271_config = {
@@ -173,53 +212,125 @@ static struct tda18271_config hauppauge_tda18271_config = {
        .gate    = TDA18271_GATE_ANALOG,
 };
 
-static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg)
-{
-       struct cx23885_tsport *port = ptr;
-       struct cx23885_dev *dev = port->dev;
+static struct tda18271_config hauppauge_hvr1200_tuner_config = {
+       .gate    = TDA18271_GATE_ANALOG,
+};
 
-       switch (command) {
-       case XC2028_TUNER_RESET:
-               /* Send the tuner in then out of reset */
-               /* GPIO-2 xc3028 tuner */
-               dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);
+static struct dibx000_agc_config xc3028_agc_config = {
+       BAND_VHF | BAND_UHF,    /* band_caps */
+
+       /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=0,
+        * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
+        * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0,
+        * P_agc_nb_est=2, P_agc_write=0
+        */
+       (0 << 15) | (0 << 14) | (0 << 11) | (0 << 10) | (0 << 9) | (0 << 8) |
+               (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), /* setup */
+
+       712,    /* inv_gain */
+       21,     /* time_stabiliz */
+
+       0,      /* alpha_level */
+       118,    /* thlock */
+
+       0,      /* wbd_inv */
+       2867,   /* wbd_ref */
+       0,      /* wbd_sel */
+       2,      /* wbd_alpha */
+
+       0,      /* agc1_max */
+       0,      /* agc1_min */
+       39718,  /* agc2_max */
+       9930,   /* agc2_min */
+       0,      /* agc1_pt1 */
+       0,      /* agc1_pt2 */
+       0,      /* agc1_pt3 */
+       0,      /* agc1_slope1 */
+       0,      /* agc1_slope2 */
+       0,      /* agc2_pt1 */
+       128,    /* agc2_pt2 */
+       29,     /* agc2_slope1 */
+       29,     /* agc2_slope2 */
+
+       17,     /* alpha_mant */
+       27,     /* alpha_exp */
+       23,     /* beta_mant */
+       51,     /* beta_exp */
+
+       1,      /* perform_agc_softsplit */
+};
 
-               cx_set(GP0_IO, 0x00040000);
-               cx_clear(GP0_IO, 0x00000004);
-               msleep(5);
+/* PLL Configuration for COFDM BW_MHz = 8.000000
+ * With external clock = 30.000000 */
+static struct dibx000_bandwidth_config xc3028_bw_config = {
+       60000,  /* internal */
+       30000,  /* sampling */
+       1,      /* pll_cfg: prediv */
+       8,      /* pll_cfg: ratio */
+       3,      /* pll_cfg: range */
+       1,      /* pll_cfg: reset */
+       0,      /* pll_cfg: bypass */
+       0,      /* misc: refdiv */
+       0,      /* misc: bypclk_div */
+       1,      /* misc: IO_CLK_en_core */
+       1,      /* misc: ADClkSrc */
+       0,      /* misc: modulo */
+       (3 << 14) | (1 << 12) | (524 << 0), /* sad_cfg: refsel, sel, freq_15k */
+       (1 << 25) | 5816102, /* ifreq = 5.200000 MHz */
+       20452225, /* timf */
+       30000000  /* xtal_hz */
+};
 
-               cx_set(GP0_IO, 0x00040004);
-               msleep(5);
-               break;
-       case XC2028_RESET_CLK:
-               dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
-               break;
-       default:
-               dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
-                       command, arg);
-               return -EINVAL;
-       }
+static struct dib7000p_config hauppauge_hvr1400_dib7000_config = {
+       .output_mpeg2_in_188_bytes = 1,
+       .hostbus_diversity = 1,
+       .tuner_is_baseband = 0,
+       .update_lna  = NULL,
 
-       return 0;
-}
+       .agc_config_count = 1,
+       .agc = &xc3028_agc_config,
+       .bw  = &xc3028_bw_config,
+
+       .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
+       .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
+       .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
+
+       .pwm_freq_div = 0,
+       .agc_control  = NULL,
+       .spur_protect = 0,
+
+       .output_mode = OUTMODE_MPEG2_SERIAL,
+};
+
+static struct zl10353_config dvico_fusionhdtv_xc3028 = {
+       .demod_address = 0x0f,
+       .if2           = 45600,
+       .no_tuner      = 1,
+};
 
 static int dvb_register(struct cx23885_tsport *port)
 {
        struct cx23885_dev *dev = port->dev;
        struct cx23885_i2c *i2c_bus = NULL;
+       struct videobuf_dvb_frontend *fe0;
+
+       /* Get the first frontend */
+       fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
+       if (!fe0)
+               return -EINVAL;
 
        /* init struct videobuf_dvb */
-       port->dvb.name = dev->name;
+       fe0->dvb.name = dev->name;
 
        /* init frontend */
        switch (dev->board) {
        case CX23885_BOARD_HAUPPAUGE_HVR1250:
                i2c_bus = &dev->i2c_bus[0];
-               port->dvb.frontend = dvb_attach(s5h1409_attach,
+               fe0->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_generic_config,
                                                &i2c_bus->i2c_adap);
-               if (port->dvb.frontend != NULL) {
-                       dvb_attach(mt2131_attach, port->dvb.frontend,
+               if (fe0->dvb.frontend != NULL) {
+                       dvb_attach(mt2131_attach, fe0->dvb.frontend,
                                   &i2c_bus->i2c_adap,
                                   &hauppauge_generic_tunerconfig, 0);
                }
@@ -228,27 +339,27 @@ static int dvb_register(struct cx23885_tsport *port)
                i2c_bus = &dev->i2c_bus[0];
                switch (alt_tuner) {
                case 1:
-                       port->dvb.frontend =
+                       fe0->dvb.frontend =
                                dvb_attach(s5h1409_attach,
                                           &hauppauge_ezqam_config,
                                           &i2c_bus->i2c_adap);
-                       if (port->dvb.frontend != NULL) {
-                               dvb_attach(tda829x_attach, port->dvb.frontend,
+                       if (fe0->dvb.frontend != NULL) {
+                               dvb_attach(tda829x_attach, fe0->dvb.frontend,
                                           &dev->i2c_bus[1].i2c_adap, 0x42,
                                           &tda829x_no_probe);
-                               dvb_attach(tda18271_attach, port->dvb.frontend,
+                               dvb_attach(tda18271_attach, fe0->dvb.frontend,
                                           0x60, &dev->i2c_bus[1].i2c_adap,
                                           &hauppauge_tda18271_config);
                        }
                        break;
                case 0:
                default:
-                       port->dvb.frontend =
+                       fe0->dvb.frontend =
                                dvb_attach(s5h1409_attach,
                                           &hauppauge_generic_config,
                                           &i2c_bus->i2c_adap);
-                       if (port->dvb.frontend != NULL)
-                               dvb_attach(mt2131_attach, port->dvb.frontend,
+                       if (fe0->dvb.frontend != NULL)
+                               dvb_attach(mt2131_attach, fe0->dvb.frontend,
                                           &i2c_bus->i2c_adap,
                                           &hauppauge_generic_tunerconfig, 0);
                        break;
@@ -256,121 +367,261 @@ static int dvb_register(struct cx23885_tsport *port)
                break;
        case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
                i2c_bus = &dev->i2c_bus[0];
-               port->dvb.frontend = dvb_attach(s5h1409_attach,
+               fe0->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_hvr1800lp_config,
                                                &i2c_bus->i2c_adap);
-               if (port->dvb.frontend != NULL) {
-                       dvb_attach(mt2131_attach, port->dvb.frontend,
+               if (fe0->dvb.frontend != NULL) {
+                       dvb_attach(mt2131_attach, fe0->dvb.frontend,
                                   &i2c_bus->i2c_adap,
                                   &hauppauge_generic_tunerconfig, 0);
                }
                break;
        case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
                i2c_bus = &dev->i2c_bus[0];
-               port->dvb.frontend = dvb_attach(lgdt330x_attach,
+               fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
                                                &fusionhdtv_5_express,
                                                &i2c_bus->i2c_adap);
-               if (port->dvb.frontend != NULL) {
-                       dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
-                                  &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
+               if (fe0->dvb.frontend != NULL) {
+                       dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
+                                  &i2c_bus->i2c_adap, 0x61,
+                                  TUNER_LG_TDVS_H06XF);
                }
                break;
        case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
                i2c_bus = &dev->i2c_bus[1];
-               port->dvb.frontend = dvb_attach(s5h1409_attach,
+               fe0->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_hvr1500q_config,
                                                &dev->i2c_bus[0].i2c_adap);
-               if (port->dvb.frontend != NULL) {
-                       hauppauge_hvr1500q_tunerconfig.priv = i2c_bus;
-                       dvb_attach(xc5000_attach, port->dvb.frontend,
-                               &i2c_bus->i2c_adap,
-                               &hauppauge_hvr1500q_tunerconfig);
-               }
+               if (fe0->dvb.frontend != NULL)
+                       dvb_attach(xc5000_attach, fe0->dvb.frontend,
+                                  &i2c_bus->i2c_adap,
+                                  &hauppauge_hvr1500q_tunerconfig);
                break;
        case CX23885_BOARD_HAUPPAUGE_HVR1500:
                i2c_bus = &dev->i2c_bus[1];
-               port->dvb.frontend = dvb_attach(s5h1409_attach,
+               fe0->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_hvr1500_config,
                                                &dev->i2c_bus[0].i2c_adap);
-               if (port->dvb.frontend != NULL) {
+               if (fe0->dvb.frontend != NULL) {
                        struct dvb_frontend *fe;
                        struct xc2028_config cfg = {
                                .i2c_adap  = &i2c_bus->i2c_adap,
                                .i2c_addr  = 0x61,
-                               .video_dev = port,
-                               .callback  = cx23885_hvr1500_xc3028_callback,
                        };
                        static struct xc2028_ctrl ctl = {
-                               .fname       = "xc3028-v27.fw",
+                               .fname       = XC2028_DEFAULT_FIRMWARE,
                                .max_len     = 64,
-                               .scode_table = OREN538,
+                               .scode_table = XC3028_FE_OREN538,
                        };
 
                        fe = dvb_attach(xc2028_attach,
-                                       port->dvb.frontend, &cfg);
+                                       fe0->dvb.frontend, &cfg);
+                       if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+                               fe->ops.tuner_ops.set_config(fe, &ctl);
+               }
+               break;
+       case CX23885_BOARD_HAUPPAUGE_HVR1200:
+       case CX23885_BOARD_HAUPPAUGE_HVR1700:
+               i2c_bus = &dev->i2c_bus[0];
+               fe0->dvb.frontend = dvb_attach(tda10048_attach,
+                       &hauppauge_hvr1200_config,
+                       &i2c_bus->i2c_adap);
+               if (fe0->dvb.frontend != NULL) {
+                       dvb_attach(tda829x_attach, fe0->dvb.frontend,
+                               &dev->i2c_bus[1].i2c_adap, 0x42,
+                               &tda829x_no_probe);
+                       dvb_attach(tda18271_attach, fe0->dvb.frontend,
+                               0x60, &dev->i2c_bus[1].i2c_adap,
+                               &hauppauge_hvr1200_tuner_config);
+               }
+               break;
+       case CX23885_BOARD_HAUPPAUGE_HVR1400:
+               i2c_bus = &dev->i2c_bus[0];
+               fe0->dvb.frontend = dvb_attach(dib7000p_attach,
+                       &i2c_bus->i2c_adap,
+                       0x12, &hauppauge_hvr1400_dib7000_config);
+               if (fe0->dvb.frontend != NULL) {
+                       struct dvb_frontend *fe;
+                       struct xc2028_config cfg = {
+                               .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
+                               .i2c_addr  = 0x64,
+                       };
+                       static struct xc2028_ctrl ctl = {
+                               .fname   = XC3028L_DEFAULT_FIRMWARE,
+                               .max_len = 64,
+                               .demod   = 5000,
+                               /* This is true for all demods with
+                                       v36 firmware? */
+                               .type    = XC2028_D2633,
+                       };
+
+                       fe = dvb_attach(xc2028_attach,
+                                       fe0->dvb.frontend, &cfg);
+                       if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+                               fe->ops.tuner_ops.set_config(fe, &ctl);
+               }
+               break;
+       case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
+               i2c_bus = &dev->i2c_bus[port->nr - 1];
+
+               fe0->dvb.frontend = dvb_attach(s5h1409_attach,
+                                               &dvico_s5h1409_config,
+                                               &i2c_bus->i2c_adap);
+               if (fe0->dvb.frontend == NULL)
+                       fe0->dvb.frontend = dvb_attach(s5h1411_attach,
+                                                       &dvico_s5h1411_config,
+                                                       &i2c_bus->i2c_adap);
+               if (fe0->dvb.frontend != NULL)
+                       dvb_attach(xc5000_attach, fe0->dvb.frontend,
+                                  &i2c_bus->i2c_adap,
+                                  &dvico_xc5000_tunerconfig);
+               break;
+       case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
+               i2c_bus = &dev->i2c_bus[port->nr - 1];
+
+               fe0->dvb.frontend = dvb_attach(zl10353_attach,
+                                              &dvico_fusionhdtv_xc3028,
+                                              &i2c_bus->i2c_adap);
+               if (fe0->dvb.frontend != NULL) {
+                       struct dvb_frontend      *fe;
+                       struct xc2028_config      cfg = {
+                               .i2c_adap  = &i2c_bus->i2c_adap,
+                               .i2c_addr  = 0x61,
+                       };
+                       static struct xc2028_ctrl ctl = {
+                               .fname       = XC2028_DEFAULT_FIRMWARE,
+                               .max_len     = 64,
+                               .demod       = XC3028_FE_ZARLINK456,
+                       };
+
+                       fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
+                                       &cfg);
+                       if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
+                               fe->ops.tuner_ops.set_config(fe, &ctl);
+               }
+               break;
+       }
+       case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
+       case CX23885_BOARD_COMPRO_VIDEOMATE_E650F:
+               i2c_bus = &dev->i2c_bus[0];
+
+               fe0->dvb.frontend = dvb_attach(zl10353_attach,
+                       &dvico_fusionhdtv_xc3028,
+                       &i2c_bus->i2c_adap);
+               if (fe0->dvb.frontend != NULL) {
+                       struct dvb_frontend      *fe;
+                       struct xc2028_config      cfg = {
+                               .i2c_adap  = &dev->i2c_bus[1].i2c_adap,
+                               .i2c_addr  = 0x61,
+                       };
+                       static struct xc2028_ctrl ctl = {
+                               .fname       = XC2028_DEFAULT_FIRMWARE,
+                               .max_len     = 64,
+                               .demod       = XC3028_FE_ZARLINK456,
+                       };
+
+                       fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
+                               &cfg);
                        if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
                                fe->ops.tuner_ops.set_config(fe, &ctl);
                }
                break;
        default:
-               printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
+               printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
+                       " isn't supported yet\n",
                       dev->name);
                break;
        }
-       if (NULL == port->dvb.frontend) {
-               printk("%s: frontend initialization failed\n", dev->name);
+       if (NULL == fe0->dvb.frontend) {
+               printk(KERN_ERR "%s: frontend initialization failed\n",
+                       dev->name);
                return -1;
        }
+       /* define general-purpose callback pointer */
+       fe0->dvb.frontend->callback = cx23885_tuner_callback;
 
        /* Put the analog decoder in standby to keep it quiet */
        cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 
-       if (port->dvb.frontend->ops.analog_ops.standby)
-               port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
+       if (fe0->dvb.frontend->ops.analog_ops.standby)
+               fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
 
        /* register everything */
-       return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
-                                    &dev->pci->dev);
+       return videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
+               &dev->pci->dev, adapter_nr, 0);
+
 }
 
 int cx23885_dvb_register(struct cx23885_tsport *port)
 {
+
+       struct videobuf_dvb_frontend *fe0;
        struct cx23885_dev *dev = port->dev;
-       int err;
+       int err, i;
+
+       /* Here we need to allocate the correct number of frontends,
+        * as reflected in the cards struct. The reality is that currrently
+        * no cx23885 boards support this - yet. But, if we don't modify this
+        * code then the second frontend would never be allocated (later)
+        * and fail with error before the attach in dvb_register().
+        * Without these changes we risk an OOPS later. The changes here
+        * are for safety, and should provide a good foundation for the
+        * future addition of any multi-frontend cx23885 based boards.
+        */
+       printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
+               port->num_frontends);
+
+       for (i = 1; i <= port->num_frontends; i++) {
+               if (videobuf_dvb_alloc_frontend(
+                       &port->frontends, i) == NULL) {
+                       printk(KERN_ERR "%s() failed to alloc\n", __func__);
+                       return -ENOMEM;
+               }
+
+               fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
+               if (!fe0)
+                       err = -EINVAL;
 
-       dprintk(1, "%s\n", __FUNCTION__);
-       dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
-               dev->board,
-               dev->name,
-               dev->pci_bus,
-               dev->pci_slot);
+               dprintk(1, "%s\n", __func__);
+               dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
+                       dev->board,
+                       dev->name,
+                       dev->pci_bus,
+                       dev->pci_slot);
 
-       err = -ENODEV;
+               err = -ENODEV;
 
-       /* dvb stuff */
-       printk("%s: cx23885 based dvb card\n", dev->name);
-       videobuf_queue_sg_init(&port->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
+               /* dvb stuff */
+               /* We have to init the queue for each frontend on a port. */
+               printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
+               videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
+                           &dev->pci->dev, &port->slock,
                            V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
                            sizeof(struct cx23885_buffer), port);
+       }
        err = dvb_register(port);
        if (err != 0)
-               printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
+               printk(KERN_ERR "%s() dvb_register failed err = %d\n",
+                       __func__, err);
 
        return err;
 }
 
 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 {
-       /* dvb */
-       if(port->dvb.frontend)
-               videobuf_dvb_unregister(&port->dvb);
+       struct videobuf_dvb_frontend *fe0;
+
+       /* FIXME: in an error condition where the we have
+        * an expected number of frontends (attach problem)
+        * then this might not clean up correctly, if 1
+        * is invalid.
+        * This comment only applies to future boards IF they
+        * implement MFE support.
+        */
+       fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
+       if (fe0->dvb.frontend)
+               videobuf_dvb_unregister_bus(&port->frontends);
 
        return 0;
 }
 
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
-*/