drivers/media/pci/ddbridge/ddbridge.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * ddbridge.h: Digital Devices PCIe bridge driver
   4  *
   5  * Copyright (C) 2010-2017 Digital Devices GmbH
   6  *                         Ralph Metzler <rmetzler@digitaldevices.de>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 only, as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 #ifndef _DDBRIDGE_H_
  19 #define _DDBRIDGE_H_
  20
  21 #include <linux/clk.h>
  22 #include <linux/completion.h>
  23 #include <linux/delay.h>
  24 #include <linux/device.h>
  25 #include <linux/dvb/ca.h>
  26 #include <linux/gpio.h>
  27 #include <linux/i2c.h>
  28 #include <linux/init.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/io.h>
  31 #include <linux/kthread.h>
  32 #include <linux/module.h>
  33 #include <linux/mutex.h>
  34 #include <linux/pci.h>
  35 #include <linux/platform_device.h>
  36 #include <linux/poll.h>
  37 #include <linux/sched.h>
  38 #include <linux/slab.h>
  39 #include <linux/socket.h>
  40 #include <linux/spi/spi.h>
  41 #include <linux/swab.h>
  42 #include <linux/timer.h>
  43 #include <linux/types.h>
  44 #include <linux/uaccess.h>
  45 #include <linux/vmalloc.h>
  46 #include <linux/workqueue.h>
  47
  48 #include <asm/dma.h>
  49 #include <asm/irq.h>
  50
  51 #include <media/dmxdev.h>
  52 #include <media/dvb_ca_en50221.h>
  53 #include <media/dvb_demux.h>
  54 #include <media/dvbdev.h>
  55 #include <media/dvb_frontend.h>
  56 #include <media/dvb_net.h>
  57 #include <media/dvb_ringbuffer.h>
  58
  59 #define DDBRIDGE_VERSION "0.9.33-integrated"
  60
  61 #define DDB_MAX_I2C    32
  62 #define DDB_MAX_PORT   32
  63 #define DDB_MAX_INPUT  64
  64 #define DDB_MAX_OUTPUT 32
  65 #define DDB_MAX_LINK    4
  66 #define DDB_LINK_SHIFT 28
  67
  68 #define DDB_LINK_TAG(_x) (_x << DDB_LINK_SHIFT)
  69
  70 struct ddb_regset {
  71         u32 base;
  72         u32 num;
  73         u32 size;
  74 };
  75
  76 struct ddb_regmap {
  77         u32 irq_base_i2c;
  78         u32 irq_base_idma;
  79         u32 irq_base_odma;
  80
  81         const struct ddb_regset *i2c;
  82         const struct ddb_regset *i2c_buf;
  83         const struct ddb_regset *idma;
  84         const struct ddb_regset *idma_buf;
  85         const struct ddb_regset *odma;
  86         const struct ddb_regset *odma_buf;
  87
  88         const struct ddb_regset *input;
  89         const struct ddb_regset *output;
  90
  91         const struct ddb_regset *channel;
  92 };
  93
  94 struct ddb_ids {
  95         u16 vendor;
  96         u16 device;
  97         u16 subvendor;
  98         u16 subdevice;
  99
 100         u32 hwid;
 101         u32 regmapid;
 102         u32 devid;
 103         u32 mac;
 104 };
 105
 106 struct ddb_info {
 107         int   type;
 108 #define DDB_NONE            0
 109 #define DDB_OCTOPUS         1
 110 #define DDB_OCTOPUS_CI      2
 111 #define DDB_OCTOPUS_MAX     5
 112 #define DDB_OCTOPUS_MAX_CT  6
 113 #define DDB_OCTOPUS_MCI     9
 114         char *name;
 115         u32   i2c_mask;
 116         u32   board_control;
 117         u32   board_control_2;
 118
 119         u8    port_num;
 120         u8    led_num;
 121         u8    fan_num;
 122         u8    temp_num;
 123         u8    temp_bus;
 124         u8    con_clock; /* use a continuous clock */
 125         u8    ts_quirks;
 126 #define TS_QUIRK_SERIAL   1
 127 #define TS_QUIRK_REVERSED 2
 128 #define TS_QUIRK_ALT_OSC  8
 129         u8    mci_ports;
 130         u8    mci_type;
 131
 132         u32   tempmon_irq;
 133         const struct ddb_regmap *regmap;
 134 };
 135
 136 #define DMA_MAX_BUFS 32      /* hardware table limit */
 137
 138 struct ddb;
 139 struct ddb_port;
 140
 141 struct ddb_dma {
 142         void                  *io;
 143         u32                    regs;
 144         u32                    bufregs;
 145
 146         dma_addr_t             pbuf[DMA_MAX_BUFS];
 147         u8                    *vbuf[DMA_MAX_BUFS];
 148         u32                    num;
 149         u32                    size;
 150         u32                    div;
 151         u32                    bufval;
 152
 153         struct work_struct     work;
 154         spinlock_t             lock; /* DMA lock */
 155         wait_queue_head_t      wq;
 156         int                    running;
 157         u32                    stat;
 158         u32                    ctrl;
 159         u32                    cbuf;
 160         u32                    coff;
 161 };
 162
 163 struct ddb_dvb {
 164         struct dvb_adapter    *adap;
 165         int                    adap_registered;
 166         struct dvb_device     *dev;
 167         struct i2c_client     *i2c_client[1];
 168         struct dvb_frontend   *fe;
 169         struct dvb_frontend   *fe2;
 170         struct dmxdev          dmxdev;
 171         struct dvb_demux       demux;
 172         struct dvb_net         dvbnet;
 173         struct dmx_frontend    hw_frontend;
 174         struct dmx_frontend    mem_frontend;
 175         int                    users;
 176         u32                    attached;
 177         u8                     input;
 178
 179         enum fe_sec_tone_mode  tone;
 180         enum fe_sec_voltage    voltage;
 181
 182         int (*i2c_gate_ctrl)(struct dvb_frontend *, int);
 183         int (*set_voltage)(struct dvb_frontend *fe,
 184                            enum fe_sec_voltage voltage);
 185         int (*set_input)(struct dvb_frontend *fe, int input);
 186         int (*diseqc_send_master_cmd)(struct dvb_frontend *fe,
 187                                       struct dvb_diseqc_master_cmd *cmd);
 188 };
 189
 190 struct ddb_ci {
 191         struct dvb_ca_en50221  en;
 192         struct ddb_port       *port;
 193         u32                    nr;
 194 };
 195
 196 struct ddb_io {
 197         struct ddb_port       *port;
 198         u32                    nr;
 199         u32                    regs;
 200         struct ddb_dma        *dma;
 201         struct ddb_io         *redo;
 202         struct ddb_io         *redi;
 203 };
 204
 205 #define ddb_output ddb_io
 206 #define ddb_input ddb_io
 207
 208 struct ddb_i2c {
 209         struct ddb            *dev;
 210         u32                    nr;
 211         u32                    regs;
 212         u32                    link;
 213         struct i2c_adapter     adap;
 214         u32                    rbuf;
 215         u32                    wbuf;
 216         u32                    bsize;
 217         struct completion      completion;
 218 };
 219
 220 struct ddb_port {
 221         struct ddb            *dev;
 222         u32                    nr;
 223         u32                    pnr;
 224         u32                    regs;
 225         u32                    lnr;
 226         struct ddb_i2c        *i2c;
 227         struct mutex           i2c_gate_lock; /* I2C access lock */
 228         u32                    class;
 229 #define DDB_PORT_NONE           0
 230 #define DDB_PORT_CI             1
 231 #define DDB_PORT_TUNER          2
 232 #define DDB_PORT_LOOP           3
 233         char                   *name;
 234         char                   *type_name;
 235         u32                     type;
 236 #define DDB_TUNER_DUMMY          0xffffffff
 237 #define DDB_TUNER_NONE           0
 238 #define DDB_TUNER_DVBS_ST        1
 239 #define DDB_TUNER_DVBS_ST_AA     2
 240 #define DDB_TUNER_DVBCT_TR       3
 241 #define DDB_TUNER_DVBCT_ST       4
 242 #define DDB_CI_INTERNAL          5
 243 #define DDB_CI_EXTERNAL_SONY     6
 244 #define DDB_TUNER_DVBCT2_SONY_P  7
 245 #define DDB_TUNER_DVBC2T2_SONY_P 8
 246 #define DDB_TUNER_ISDBT_SONY_P   9
 247 #define DDB_TUNER_DVBS_STV0910_P 10
 248 #define DDB_TUNER_MXL5XX         11
 249 #define DDB_CI_EXTERNAL_XO2      12
 250 #define DDB_CI_EXTERNAL_XO2_B    13
 251 #define DDB_TUNER_DVBS_STV0910_PR 14
 252 #define DDB_TUNER_DVBC2T2I_SONY_P 15
 253
 254 #define DDB_TUNER_XO2            32
 255 #define DDB_TUNER_DVBS_STV0910   (DDB_TUNER_XO2 + 0)
 256 #define DDB_TUNER_DVBCT2_SONY    (DDB_TUNER_XO2 + 1)
 257 #define DDB_TUNER_ISDBT_SONY     (DDB_TUNER_XO2 + 2)
 258 #define DDB_TUNER_DVBC2T2_SONY   (DDB_TUNER_XO2 + 3)
 259 #define DDB_TUNER_ATSC_ST        (DDB_TUNER_XO2 + 4)
 260 #define DDB_TUNER_DVBC2T2I_SONY  (DDB_TUNER_XO2 + 5)
 261
 262 #define DDB_TUNER_MCI            48
 263 #define DDB_TUNER_MCI_SX8        (DDB_TUNER_MCI + 0)
 264
 265         struct ddb_input      *input[2];
 266         struct ddb_output     *output;
 267         struct dvb_ca_en50221 *en;
 268         u8                     en_freedata;
 269         struct ddb_dvb         dvb[2];
 270         u32                    gap;
 271         u32                    obr;
 272         u8                     creg;
 273 };
 274
 275 #define CM_STARTUP_DELAY 2
 276 #define CM_AVERAGE  20
 277 #define CM_GAIN     10
 278
 279 #define HW_LSB_SHIFT    12
 280 #define HW_LSB_MASK     0x1000
 281
 282 #define CM_IDLE    0
 283 #define CM_STARTUP 1
 284 #define CM_ADJUST  2
 285
 286 #define TS_CAPTURE_LEN  (4096)
 287
 288 struct ddb_lnb {
 289         struct mutex           lock; /* lock lnb access */
 290         u32                    tone;
 291         enum fe_sec_voltage    oldvoltage[4];
 292         u32                    voltage[4];
 293         u32                    voltages;
 294         u32                    fmode;
 295 };
 296
 297 struct ddb_irq {
 298         void                   (*handler)(void *);
 299         void                  *data;
 300 };
 301
 302 struct ddb_link {
 303         struct ddb            *dev;
 304         const struct ddb_info *info;
 305         u32                    nr;
 306         u32                    regs;
 307         spinlock_t             lock; /* lock link access */
 308         struct mutex           flash_mutex; /* lock flash access */
 309         struct ddb_lnb         lnb;
 310         struct tasklet_struct  tasklet;
 311         struct ddb_ids         ids;
 312
 313         spinlock_t             temp_lock; /* lock temp chip access */
 314         int                    overtemperature_error;
 315         u8                     temp_tab[11];
 316         struct ddb_irq         irq[256];
 317 };
 318
 319 struct ddb {
 320         struct pci_dev          *pdev;
 321         struct platform_device  *pfdev;
 322         struct device           *dev;
 323
 324         int                      msi;
 325         struct workqueue_struct *wq;
 326         u32                      has_dma;
 327
 328         struct ddb_link          link[DDB_MAX_LINK];
 329         unsigned char __iomem   *regs;
 330         u32                      regs_len;
 331         u32                      port_num;
 332         struct ddb_port          port[DDB_MAX_PORT];
 333         u32                      i2c_num;
 334         struct ddb_i2c           i2c[DDB_MAX_I2C];
 335         struct ddb_input         input[DDB_MAX_INPUT];
 336         struct ddb_output        output[DDB_MAX_OUTPUT];
 337         struct dvb_adapter       adap[DDB_MAX_INPUT];
 338         struct ddb_dma           idma[DDB_MAX_INPUT];
 339         struct ddb_dma           odma[DDB_MAX_OUTPUT];
 340
 341         struct device           *ddb_dev;
 342         u32                      ddb_dev_users;
 343         u32                      nr;
 344         u8                       iobuf[1028];
 345
 346         u8                       leds;
 347         u32                      ts_irq;
 348         u32                      i2c_irq;
 349
 350         struct mutex             mutex; /* lock access to global ddb array */
 351
 352         u8                       tsbuf[TS_CAPTURE_LEN];
 353 };
 354
 355 /****************************************************************************/
 356 /****************************************************************************/
 357 /****************************************************************************/
 358
 359 int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len);
 360
 361 /****************************************************************************/
 362
 363 /* ddbridge-core.c */
 364 struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr,
 365                             void (*handler)(void *), void *data);
 366 void ddb_ports_detach(struct ddb *dev);
 367 void ddb_ports_release(struct ddb *dev);
 368 void ddb_buffers_free(struct ddb *dev);
 369 void ddb_device_destroy(struct ddb *dev);
 370 irqreturn_t ddb_irq_handler0(int irq, void *dev_id);
 371 irqreturn_t ddb_irq_handler1(int irq, void *dev_id);
 372 irqreturn_t ddb_irq_handler(int irq, void *dev_id);
 373 void ddb_ports_init(struct ddb *dev);
 374 int ddb_buffers_alloc(struct ddb *dev);
 375 int ddb_ports_attach(struct ddb *dev);
 376 int ddb_device_create(struct ddb *dev);
 377 int ddb_init(struct ddb *dev);
 378 void ddb_unmap(struct ddb *dev);
 379 int ddb_exit_ddbridge(int stage, int error);
 380 int ddb_init_ddbridge(void);
 381
 382 #endif /* DDBRIDGE_H */