drivers/media/pci/ddbridge/ddbridge.h

   1 /*
   2  * ddbridge.h: Digital Devices PCIe bridge driver
   3  *
   4  * Copyright (C) 2010-2011 Digital Devices GmbH
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 only, as published by the Free Software Foundation.
   9  *
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20  * 02110-1301, USA
  21  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  22  */
  23
  24 #ifndef _DDBRIDGE_H_
  25 #define _DDBRIDGE_H_
  26
  27 #include <linux/types.h>
  28 #include <linux/sched.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/i2c.h>
  31 #include <linux/mutex.h>
  32 #include <asm/dma.h>
  33 #include <linux/dvb/frontend.h>
  34 #include <linux/dvb/ca.h>
  35 #include <linux/socket.h>
  36
  37 #include "dmxdev.h"
  38 #include "dvbdev.h"
  39 #include "dvb_demux.h"
  40 #include "dvb_frontend.h"
  41 #include "dvb_ringbuffer.h"
  42 #include "dvb_ca_en50221.h"
  43 #include "dvb_net.h"
  44 #include "cxd2099.h"
  45
  46 #define DDB_MAX_I2C     4
  47 #define DDB_MAX_PORT    4
  48 #define DDB_MAX_INPUT   8
  49 #define DDB_MAX_OUTPUT  4
  50
  51 struct ddb_info {
  52         int   type;
  53 #define DDB_NONE         0
  54 #define DDB_OCTOPUS      1
  55         char *name;
  56         int   port_num;
  57         u32   port_type[DDB_MAX_PORT];
  58 };
  59
  60 /* DMA_SIZE MUST be divisible by 188 and 128 !!! */
  61
  62 #define INPUT_DMA_MAX_BUFS 32      /* hardware table limit */
  63 #define INPUT_DMA_BUFS 8
  64 #define INPUT_DMA_SIZE (128*47*21)
  65
  66 #define OUTPUT_DMA_MAX_BUFS 32
  67 #define OUTPUT_DMA_BUFS 8
  68 #define OUTPUT_DMA_SIZE (128*47*21)
  69
  70 struct ddb;
  71 struct ddb_port;
  72
  73 struct ddb_input {
  74         struct ddb_port       *port;
  75         u32                    nr;
  76         int                    attached;
  77
  78         dma_addr_t             pbuf[INPUT_DMA_MAX_BUFS];
  79         u8                    *vbuf[INPUT_DMA_MAX_BUFS];
  80         u32                    dma_buf_num;
  81         u32                    dma_buf_size;
  82
  83         struct tasklet_struct  tasklet;
  84         spinlock_t             lock;
  85         wait_queue_head_t      wq;
  86         int                    running;
  87         u32                    stat;
  88         u32                    cbuf;
  89         u32                    coff;
  90
  91         struct dvb_adapter     adap;
  92         struct dvb_device     *dev;
  93         struct dvb_frontend   *fe;
  94         struct dvb_frontend   *fe2;
  95         struct dmxdev          dmxdev;
  96         struct dvb_demux       demux;
  97         struct dvb_net         dvbnet;
  98         struct dmx_frontend    hw_frontend;
  99         struct dmx_frontend    mem_frontend;
 100         int                    users;
 101         int (*gate_ctrl)(struct dvb_frontend *, int);
 102 };
 103
 104 struct ddb_output {
 105         struct ddb_port       *port;
 106         u32                    nr;
 107         dma_addr_t             pbuf[OUTPUT_DMA_MAX_BUFS];
 108         u8                    *vbuf[OUTPUT_DMA_MAX_BUFS];
 109         u32                    dma_buf_num;
 110         u32                    dma_buf_size;
 111         struct tasklet_struct  tasklet;
 112         spinlock_t             lock;
 113         wait_queue_head_t      wq;
 114         int                    running;
 115         u32                    stat;
 116         u32                    cbuf;
 117         u32                    coff;
 118
 119         struct dvb_adapter     adap;
 120         struct dvb_device     *dev;
 121 };
 122
 123 struct ddb_i2c {
 124         struct ddb            *dev;
 125         u32                    nr;
 126         struct i2c_adapter     adap;
 127         struct i2c_adapter     adap2;
 128         u32                    regs;
 129         u32                    rbuf;
 130         u32                    wbuf;
 131         int                    done;
 132         wait_queue_head_t      wq;
 133 };
 134
 135 struct ddb_port {
 136         struct ddb            *dev;
 137         u32                    nr;
 138         struct ddb_i2c        *i2c;
 139         struct mutex           i2c_gate_lock;
 140         u32                    class;
 141 #define DDB_PORT_NONE           0
 142 #define DDB_PORT_CI             1
 143 #define DDB_PORT_TUNER          2
 144         u32                    type;
 145 #define DDB_TUNER_NONE          0
 146 #define DDB_TUNER_DVBS_ST       1
 147 #define DDB_TUNER_DVBS_ST_AA    2
 148 #define DDB_TUNER_DVBCT_TR     16
 149 #define DDB_TUNER_DVBCT_ST     17
 150         u32                    adr;
 151
 152         struct ddb_input      *input[2];
 153         struct ddb_output     *output;
 154         struct dvb_ca_en50221 *en;
 155 };
 156
 157 struct ddb {
 158         struct pci_dev        *pdev;
 159         unsigned char __iomem *regs;
 160         struct ddb_port        port[DDB_MAX_PORT];
 161         struct ddb_i2c         i2c[DDB_MAX_I2C];
 162         struct ddb_input       input[DDB_MAX_INPUT];
 163         struct ddb_output      output[DDB_MAX_OUTPUT];
 164
 165         struct device         *ddb_dev;
 166         int                    nr;
 167         u8                     iobuf[1028];
 168
 169         struct ddb_info       *info;
 170         int                    msi;
 171 };
 172
 173 /****************************************************************************/
 174
 175 #define ddbwritel(_val, _adr)        writel((_val), \
 176                                      dev->regs+(_adr))
 177 #define ddbreadl(_adr)               readl(dev->regs+(_adr))
 178 #define ddbcpyto(_adr, _src, _count) memcpy_toio(dev->regs+(_adr), (_src), (_count))
 179 #define ddbcpyfrom(_dst, _adr, _count) memcpy_fromio((_dst), dev->regs+(_adr), (_count))
 180
 181 /****************************************************************************/
 182
 183 #endif