1 /* 2 * ddbridge.h: Digital Devices PCIe bridge driver 3 * 4 * Copyright (C) 2010-2017 Digital Devices GmbH 5 * Ralph Metzler <rmetzler@digitaldevices.de> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * version 2 only, as published by the Free Software Foundation. 10 * 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 * To obtain the license, point your browser to 18 * http://www.gnu.org/copyleft/gpl.html 19 */ 20 21 #ifndef _DDBRIDGE_H_ 22 #define _DDBRIDGE_H_ 23 24 #include <linux/module.h> 25 #include <linux/init.h> 26 #include <linux/interrupt.h> 27 #include <linux/delay.h> 28 #include <linux/slab.h> 29 #include <linux/poll.h> 30 #include <linux/io.h> 31 #include <linux/pci.h> 32 #include <linux/timer.h> 33 #include <linux/i2c.h> 34 #include <linux/swab.h> 35 #include <linux/vmalloc.h> 36 #include <linux/workqueue.h> 37 #include <linux/kthread.h> 38 #include <linux/platform_device.h> 39 #include <linux/clk.h> 40 #include <linux/spi/spi.h> 41 #include <linux/gpio.h> 42 #include <linux/completion.h> 43 44 #include <linux/types.h> 45 #include <linux/sched.h> 46 #include <linux/interrupt.h> 47 #include <linux/mutex.h> 48 #include <asm/dma.h> 49 #include <asm/irq.h> 50 #include <linux/io.h> 51 #include <linux/uaccess.h> 52 53 #include <linux/dvb/ca.h> 54 #include <linux/socket.h> 55 #include <linux/device.h> 56 #include <linux/io.h> 57 58 #include <media/dmxdev.h> 59 #include <media/dvbdev.h> 60 #include <media/dvb_demux.h> 61 #include <media/dvb_frontend.h> 62 #include <media/dvb_ringbuffer.h> 63 #include <media/dvb_ca_en50221.h> 64 #include <media/dvb_net.h> 65 66 #define DDBRIDGE_VERSION "0.9.33-integrated" 67 68 #define DDB_MAX_I2C 32 69 #define DDB_MAX_PORT 32 70 #define DDB_MAX_INPUT 64 71 #define DDB_MAX_OUTPUT 32 72 #define DDB_MAX_LINK 4 73 #define DDB_LINK_SHIFT 28 74 75 #define DDB_LINK_TAG(_x) (_x << DDB_LINK_SHIFT) 76 77 struct ddb_regset { 78 u32 base; 79 u32 num; 80 u32 size; 81 }; 82 83 struct ddb_regmap { 84 u32 irq_base_i2c; 85 u32 irq_base_idma; 86 u32 irq_base_odma; 87 88 const struct ddb_regset *i2c; 89 const struct ddb_regset *i2c_buf; 90 const struct ddb_regset *idma; 91 const struct ddb_regset *idma_buf; 92 const struct ddb_regset *odma; 93 const struct ddb_regset *odma_buf; 94 95 const struct ddb_regset *input; 96 const struct ddb_regset *output; 97 98 const struct ddb_regset *channel; 99 }; 100 101 struct ddb_ids { 102 u16 vendor; 103 u16 device; 104 u16 subvendor; 105 u16 subdevice; 106 107 u32 hwid; 108 u32 regmapid; 109 u32 devid; 110 u32 mac; 111 }; 112 113 struct ddb_info { 114 int type; 115 #define DDB_NONE 0 116 #define DDB_OCTOPUS 1 117 #define DDB_OCTOPUS_CI 2 118 #define DDB_OCTOPUS_MAX 5 119 #define DDB_OCTOPUS_MAX_CT 6 120 #define DDB_OCTOPUS_MCI 9 121 char *name; 122 u32 i2c_mask; 123 u32 board_control; 124 u32 board_control_2; 125 126 u8 port_num; 127 u8 led_num; 128 u8 fan_num; 129 u8 temp_num; 130 u8 temp_bus; 131 u8 con_clock; /* use a continuous clock */ 132 u8 ts_quirks; 133 #define TS_QUIRK_SERIAL 1 134 #define TS_QUIRK_REVERSED 2 135 #define TS_QUIRK_ALT_OSC 8 136 u8 mci_ports; 137 u8 mci_type; 138 139 u32 tempmon_irq; 140 const struct ddb_regmap *regmap; 141 }; 142 143 #define DMA_MAX_BUFS 32 /* hardware table limit */ 144 145 struct ddb; 146 struct ddb_port; 147 148 struct ddb_dma { 149 void *io; 150 u32 regs; 151 u32 bufregs; 152 153 dma_addr_t pbuf[DMA_MAX_BUFS]; 154 u8 *vbuf[DMA_MAX_BUFS]; 155 u32 num; 156 u32 size; 157 u32 div; 158 u32 bufval; 159 160 struct work_struct work; 161 spinlock_t lock; /* DMA lock */ 162 wait_queue_head_t wq; 163 int running; 164 u32 stat; 165 u32 ctrl; 166 u32 cbuf; 167 u32 coff; 168 }; 169 170 struct ddb_dvb { 171 struct dvb_adapter *adap; 172 int adap_registered; 173 struct dvb_device *dev; 174 struct i2c_client *i2c_client[1]; 175 struct dvb_frontend *fe; 176 struct dvb_frontend *fe2; 177 struct dmxdev dmxdev; 178 struct dvb_demux demux; 179 struct dvb_net dvbnet; 180 struct dmx_frontend hw_frontend; 181 struct dmx_frontend mem_frontend; 182 int users; 183 u32 attached; 184 u8 input; 185 186 enum fe_sec_tone_mode tone; 187 enum fe_sec_voltage voltage; 188 189 int (*i2c_gate_ctrl)(struct dvb_frontend *, int); 190 int (*set_voltage)(struct dvb_frontend *fe, 191 enum fe_sec_voltage voltage); 192 int (*set_input)(struct dvb_frontend *fe, int input); 193 int (*diseqc_send_master_cmd)(struct dvb_frontend *fe, 194 struct dvb_diseqc_master_cmd *cmd); 195 }; 196 197 struct ddb_ci { 198 struct dvb_ca_en50221 en; 199 struct ddb_port *port; 200 u32 nr; 201 }; 202 203 struct ddb_io { 204 struct ddb_port *port; 205 u32 nr; 206 u32 regs; 207 struct ddb_dma *dma; 208 struct ddb_io *redo; 209 struct ddb_io *redi; 210 }; 211 212 #define ddb_output ddb_io 213 #define ddb_input ddb_io 214 215 struct ddb_i2c { 216 struct ddb *dev; 217 u32 nr; 218 u32 regs; 219 u32 link; 220 struct i2c_adapter adap; 221 u32 rbuf; 222 u32 wbuf; 223 u32 bsize; 224 struct completion completion; 225 }; 226 227 struct ddb_port { 228 struct ddb *dev; 229 u32 nr; 230 u32 pnr; 231 u32 regs; 232 u32 lnr; 233 struct ddb_i2c *i2c; 234 struct mutex i2c_gate_lock; /* I2C access lock */ 235 u32 class; 236 #define DDB_PORT_NONE 0 237 #define DDB_PORT_CI 1 238 #define DDB_PORT_TUNER 2 239 #define DDB_PORT_LOOP 3 240 char *name; 241 char *type_name; 242 u32 type; 243 #define DDB_TUNER_DUMMY 0xffffffff 244 #define DDB_TUNER_NONE 0 245 #define DDB_TUNER_DVBS_ST 1 246 #define DDB_TUNER_DVBS_ST_AA 2 247 #define DDB_TUNER_DVBCT_TR 3 248 #define DDB_TUNER_DVBCT_ST 4 249 #define DDB_CI_INTERNAL 5 250 #define DDB_CI_EXTERNAL_SONY 6 251 #define DDB_TUNER_DVBCT2_SONY_P 7 252 #define DDB_TUNER_DVBC2T2_SONY_P 8 253 #define DDB_TUNER_ISDBT_SONY_P 9 254 #define DDB_TUNER_DVBS_STV0910_P 10 255 #define DDB_TUNER_MXL5XX 11 256 #define DDB_CI_EXTERNAL_XO2 12 257 #define DDB_CI_EXTERNAL_XO2_B 13 258 #define DDB_TUNER_DVBS_STV0910_PR 14 259 #define DDB_TUNER_DVBC2T2I_SONY_P 15 260 261 #define DDB_TUNER_XO2 32 262 #define DDB_TUNER_DVBS_STV0910 (DDB_TUNER_XO2 + 0) 263 #define DDB_TUNER_DVBCT2_SONY (DDB_TUNER_XO2 + 1) 264 #define DDB_TUNER_ISDBT_SONY (DDB_TUNER_XO2 + 2) 265 #define DDB_TUNER_DVBC2T2_SONY (DDB_TUNER_XO2 + 3) 266 #define DDB_TUNER_ATSC_ST (DDB_TUNER_XO2 + 4) 267 #define DDB_TUNER_DVBC2T2I_SONY (DDB_TUNER_XO2 + 5) 268 269 #define DDB_TUNER_MCI 48 270 #define DDB_TUNER_MCI_SX8 (DDB_TUNER_MCI + 0) 271 272 struct ddb_input *input[2]; 273 struct ddb_output *output; 274 struct dvb_ca_en50221 *en; 275 u8 en_freedata; 276 struct ddb_dvb dvb[2]; 277 u32 gap; 278 u32 obr; 279 u8 creg; 280 }; 281 282 #define CM_STARTUP_DELAY 2 283 #define CM_AVERAGE 20 284 #define CM_GAIN 10 285 286 #define HW_LSB_SHIFT 12 287 #define HW_LSB_MASK 0x1000 288 289 #define CM_IDLE 0 290 #define CM_STARTUP 1 291 #define CM_ADJUST 2 292 293 #define TS_CAPTURE_LEN (4096) 294 295 struct ddb_lnb { 296 struct mutex lock; /* lock lnb access */ 297 u32 tone; 298 enum fe_sec_voltage oldvoltage[4]; 299 u32 voltage[4]; 300 u32 voltages; 301 u32 fmode; 302 }; 303 304 struct ddb_irq { 305 void (*handler)(void *); 306 void *data; 307 }; 308 309 struct ddb_link { 310 struct ddb *dev; 311 const struct ddb_info *info; 312 u32 nr; 313 u32 regs; 314 spinlock_t lock; /* lock link access */ 315 struct mutex flash_mutex; /* lock flash access */ 316 struct ddb_lnb lnb; 317 struct tasklet_struct tasklet; 318 struct ddb_ids ids; 319 320 spinlock_t temp_lock; /* lock temp chip access */ 321 int overtemperature_error; 322 u8 temp_tab[11]; 323 struct ddb_irq irq[256]; 324 }; 325 326 struct ddb { 327 struct pci_dev *pdev; 328 struct platform_device *pfdev; 329 struct device *dev; 330 331 int msi; 332 struct workqueue_struct *wq; 333 u32 has_dma; 334 335 struct ddb_link link[DDB_MAX_LINK]; 336 unsigned char __iomem *regs; 337 u32 regs_len; 338 u32 port_num; 339 struct ddb_port port[DDB_MAX_PORT]; 340 u32 i2c_num; 341 struct ddb_i2c i2c[DDB_MAX_I2C]; 342 struct ddb_input input[DDB_MAX_INPUT]; 343 struct ddb_output output[DDB_MAX_OUTPUT]; 344 struct dvb_adapter adap[DDB_MAX_INPUT]; 345 struct ddb_dma idma[DDB_MAX_INPUT]; 346 struct ddb_dma odma[DDB_MAX_OUTPUT]; 347 348 struct device *ddb_dev; 349 u32 ddb_dev_users; 350 u32 nr; 351 u8 iobuf[1028]; 352 353 u8 leds; 354 u32 ts_irq; 355 u32 i2c_irq; 356 357 struct mutex mutex; /* lock access to global ddb array */ 358 359 u8 tsbuf[TS_CAPTURE_LEN]; 360 }; 361 362 /****************************************************************************/ 363 /****************************************************************************/ 364 /****************************************************************************/ 365 366 int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len); 367 368 /****************************************************************************/ 369 370 /* ddbridge-core.c */ 371 struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr, 372 void (*handler)(void *), void *data); 373 void ddb_ports_detach(struct ddb *dev); 374 void ddb_ports_release(struct ddb *dev); 375 void ddb_buffers_free(struct ddb *dev); 376 void ddb_device_destroy(struct ddb *dev); 377 irqreturn_t ddb_irq_handler0(int irq, void *dev_id); 378 irqreturn_t ddb_irq_handler1(int irq, void *dev_id); 379 irqreturn_t ddb_irq_handler(int irq, void *dev_id); 380 void ddb_ports_init(struct ddb *dev); 381 int ddb_buffers_alloc(struct ddb *dev); 382 int ddb_ports_attach(struct ddb *dev); 383 int ddb_device_create(struct ddb *dev); 384 int ddb_init(struct ddb *dev); 385 void ddb_unmap(struct ddb *dev); 386 int ddb_exit_ddbridge(int stage, int error); 387 int ddb_init_ddbridge(void); 388 389 #endif /* DDBRIDGE_H */ 390