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 9 #ifndef _DDBRIDGE_H_ 10 #define _DDBRIDGE_H_ 11 12 #include <linux/clk.h> 13 #include <linux/completion.h> 14 #include <linux/delay.h> 15 #include <linux/device.h> 16 #include <linux/dvb/ca.h> 17 #include <linux/gpio.h> 18 #include <linux/i2c.h> 19 #include <linux/init.h> 20 #include <linux/interrupt.h> 21 #include <linux/io.h> 22 #include <linux/kthread.h> 23 #include <linux/module.h> 24 #include <linux/mutex.h> 25 #include <linux/pci.h> 26 #include <linux/platform_device.h> 27 #include <linux/poll.h> 28 #include <linux/sched.h> 29 #include <linux/slab.h> 30 #include <linux/socket.h> 31 #include <linux/spi/spi.h> 32 #include <linux/swab.h> 33 #include <linux/timer.h> 34 #include <linux/types.h> 35 #include <linux/uaccess.h> 36 #include <linux/vmalloc.h> 37 #include <linux/workqueue.h> 38 39 #include <asm/dma.h> 40 #include <asm/irq.h> 41 42 #include <media/dmxdev.h> 43 #include <media/dvb_ca_en50221.h> 44 #include <media/dvb_demux.h> 45 #include <media/dvbdev.h> 46 #include <media/dvb_frontend.h> 47 #include <media/dvb_net.h> 48 #include <media/dvb_ringbuffer.h> 49 50 #define DDBRIDGE_VERSION "0.9.33-integrated" 51 52 #define DDB_MAX_I2C 32 53 #define DDB_MAX_PORT 32 54 #define DDB_MAX_INPUT 64 55 #define DDB_MAX_OUTPUT 32 56 #define DDB_MAX_LINK 4 57 #define DDB_LINK_SHIFT 28 58 59 #define DDB_LINK_TAG(_x) (_x << DDB_LINK_SHIFT) 60 61 struct ddb_regset { 62 u32 base; 63 u32 num; 64 u32 size; 65 }; 66 67 struct ddb_regmap { 68 u32 irq_base_i2c; 69 u32 irq_base_idma; 70 u32 irq_base_odma; 71 72 const struct ddb_regset *i2c; 73 const struct ddb_regset *i2c_buf; 74 const struct ddb_regset *idma; 75 const struct ddb_regset *idma_buf; 76 const struct ddb_regset *odma; 77 const struct ddb_regset *odma_buf; 78 79 const struct ddb_regset *input; 80 const struct ddb_regset *output; 81 82 const struct ddb_regset *channel; 83 }; 84 85 struct ddb_ids { 86 u16 vendor; 87 u16 device; 88 u16 subvendor; 89 u16 subdevice; 90 91 u32 hwid; 92 u32 regmapid; 93 u32 devid; 94 u32 mac; 95 }; 96 97 struct ddb_info { 98 int type; 99 #define DDB_NONE 0 100 #define DDB_OCTOPUS 1 101 #define DDB_OCTOPUS_CI 2 102 #define DDB_OCTOPUS_MAX 5 103 #define DDB_OCTOPUS_MAX_CT 6 104 #define DDB_OCTOPUS_MCI 9 105 char *name; 106 u32 i2c_mask; 107 u32 board_control; 108 u32 board_control_2; 109 110 u8 port_num; 111 u8 led_num; 112 u8 fan_num; 113 u8 temp_num; 114 u8 temp_bus; 115 u8 con_clock; /* use a continuous clock */ 116 u8 ts_quirks; 117 #define TS_QUIRK_SERIAL 1 118 #define TS_QUIRK_REVERSED 2 119 #define TS_QUIRK_ALT_OSC 8 120 u8 mci_ports; 121 u8 mci_type; 122 123 u32 tempmon_irq; 124 const struct ddb_regmap *regmap; 125 }; 126 127 #define DMA_MAX_BUFS 32 /* hardware table limit */ 128 129 struct ddb; 130 struct ddb_port; 131 132 struct ddb_dma { 133 void *io; 134 u32 regs; 135 u32 bufregs; 136 137 dma_addr_t pbuf[DMA_MAX_BUFS]; 138 u8 *vbuf[DMA_MAX_BUFS]; 139 u32 num; 140 u32 size; 141 u32 div; 142 u32 bufval; 143 144 struct work_struct work; 145 spinlock_t lock; /* DMA lock */ 146 wait_queue_head_t wq; 147 int running; 148 u32 stat; 149 u32 ctrl; 150 u32 cbuf; 151 u32 coff; 152 }; 153 154 struct ddb_dvb { 155 struct dvb_adapter *adap; 156 int adap_registered; 157 struct dvb_device *dev; 158 struct i2c_client *i2c_client[1]; 159 struct dvb_frontend *fe; 160 struct dvb_frontend *fe2; 161 struct dmxdev dmxdev; 162 struct dvb_demux demux; 163 struct dvb_net dvbnet; 164 struct dmx_frontend hw_frontend; 165 struct dmx_frontend mem_frontend; 166 int users; 167 u32 attached; 168 u8 input; 169 170 enum fe_sec_tone_mode tone; 171 enum fe_sec_voltage voltage; 172 173 int (*i2c_gate_ctrl)(struct dvb_frontend *, int); 174 int (*set_voltage)(struct dvb_frontend *fe, 175 enum fe_sec_voltage voltage); 176 int (*set_input)(struct dvb_frontend *fe, int input); 177 int (*diseqc_send_master_cmd)(struct dvb_frontend *fe, 178 struct dvb_diseqc_master_cmd *cmd); 179 }; 180 181 struct ddb_ci { 182 struct dvb_ca_en50221 en; 183 struct ddb_port *port; 184 u32 nr; 185 }; 186 187 struct ddb_io { 188 struct ddb_port *port; 189 u32 nr; 190 u32 regs; 191 struct ddb_dma *dma; 192 struct ddb_io *redo; 193 struct ddb_io *redi; 194 }; 195 196 #define ddb_output ddb_io 197 #define ddb_input ddb_io 198 199 struct ddb_i2c { 200 struct ddb *dev; 201 u32 nr; 202 u32 regs; 203 u32 link; 204 struct i2c_adapter adap; 205 u32 rbuf; 206 u32 wbuf; 207 u32 bsize; 208 struct completion completion; 209 }; 210 211 struct ddb_port { 212 struct ddb *dev; 213 u32 nr; 214 u32 pnr; 215 u32 regs; 216 u32 lnr; 217 struct ddb_i2c *i2c; 218 struct mutex i2c_gate_lock; /* I2C access lock */ 219 u32 class; 220 #define DDB_PORT_NONE 0 221 #define DDB_PORT_CI 1 222 #define DDB_PORT_TUNER 2 223 #define DDB_PORT_LOOP 3 224 char *name; 225 char *type_name; 226 u32 type; 227 #define DDB_TUNER_DUMMY 0xffffffff 228 #define DDB_TUNER_NONE 0 229 #define DDB_TUNER_DVBS_ST 1 230 #define DDB_TUNER_DVBS_ST_AA 2 231 #define DDB_TUNER_DVBCT_TR 3 232 #define DDB_TUNER_DVBCT_ST 4 233 #define DDB_CI_INTERNAL 5 234 #define DDB_CI_EXTERNAL_SONY 6 235 #define DDB_TUNER_DVBCT2_SONY_P 7 236 #define DDB_TUNER_DVBC2T2_SONY_P 8 237 #define DDB_TUNER_ISDBT_SONY_P 9 238 #define DDB_TUNER_DVBS_STV0910_P 10 239 #define DDB_TUNER_MXL5XX 11 240 #define DDB_CI_EXTERNAL_XO2 12 241 #define DDB_CI_EXTERNAL_XO2_B 13 242 #define DDB_TUNER_DVBS_STV0910_PR 14 243 #define DDB_TUNER_DVBC2T2I_SONY_P 15 244 245 #define DDB_TUNER_XO2 32 246 #define DDB_TUNER_DVBS_STV0910 (DDB_TUNER_XO2 + 0) 247 #define DDB_TUNER_DVBCT2_SONY (DDB_TUNER_XO2 + 1) 248 #define DDB_TUNER_ISDBT_SONY (DDB_TUNER_XO2 + 2) 249 #define DDB_TUNER_DVBC2T2_SONY (DDB_TUNER_XO2 + 3) 250 #define DDB_TUNER_ATSC_ST (DDB_TUNER_XO2 + 4) 251 #define DDB_TUNER_DVBC2T2I_SONY (DDB_TUNER_XO2 + 5) 252 253 #define DDB_TUNER_MCI 48 254 #define DDB_TUNER_MCI_SX8 (DDB_TUNER_MCI + 0) 255 256 struct ddb_input *input[2]; 257 struct ddb_output *output; 258 struct dvb_ca_en50221 *en; 259 u8 en_freedata; 260 struct ddb_dvb dvb[2]; 261 u32 gap; 262 u32 obr; 263 u8 creg; 264 }; 265 266 #define CM_STARTUP_DELAY 2 267 #define CM_AVERAGE 20 268 #define CM_GAIN 10 269 270 #define HW_LSB_SHIFT 12 271 #define HW_LSB_MASK 0x1000 272 273 #define CM_IDLE 0 274 #define CM_STARTUP 1 275 #define CM_ADJUST 2 276 277 #define TS_CAPTURE_LEN (4096) 278 279 struct ddb_lnb { 280 struct mutex lock; /* lock lnb access */ 281 u32 tone; 282 enum fe_sec_voltage oldvoltage[4]; 283 u32 voltage[4]; 284 u32 voltages; 285 u32 fmode; 286 }; 287 288 struct ddb_irq { 289 void (*handler)(void *); 290 void *data; 291 }; 292 293 struct ddb_link { 294 struct ddb *dev; 295 const struct ddb_info *info; 296 u32 nr; 297 u32 regs; 298 spinlock_t lock; /* lock link access */ 299 struct mutex flash_mutex; /* lock flash access */ 300 struct ddb_lnb lnb; 301 struct tasklet_struct tasklet; 302 struct ddb_ids ids; 303 304 spinlock_t temp_lock; /* lock temp chip access */ 305 int overtemperature_error; 306 u8 temp_tab[11]; 307 struct ddb_irq irq[256]; 308 }; 309 310 struct ddb { 311 struct pci_dev *pdev; 312 struct platform_device *pfdev; 313 struct device *dev; 314 315 int msi; 316 struct workqueue_struct *wq; 317 u32 has_dma; 318 319 struct ddb_link link[DDB_MAX_LINK]; 320 unsigned char __iomem *regs; 321 u32 regs_len; 322 u32 port_num; 323 struct ddb_port port[DDB_MAX_PORT]; 324 u32 i2c_num; 325 struct ddb_i2c i2c[DDB_MAX_I2C]; 326 struct ddb_input input[DDB_MAX_INPUT]; 327 struct ddb_output output[DDB_MAX_OUTPUT]; 328 struct dvb_adapter adap[DDB_MAX_INPUT]; 329 struct ddb_dma idma[DDB_MAX_INPUT]; 330 struct ddb_dma odma[DDB_MAX_OUTPUT]; 331 332 struct device *ddb_dev; 333 u32 ddb_dev_users; 334 u32 nr; 335 u8 iobuf[1028]; 336 337 u8 leds; 338 u32 ts_irq; 339 u32 i2c_irq; 340 341 struct mutex mutex; /* lock access to global ddb array */ 342 343 u8 tsbuf[TS_CAPTURE_LEN]; 344 }; 345 346 /****************************************************************************/ 347 /****************************************************************************/ 348 /****************************************************************************/ 349 350 int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len); 351 352 /****************************************************************************/ 353 354 /* ddbridge-core.c */ 355 struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr, 356 void (*handler)(void *), void *data); 357 void ddb_ports_detach(struct ddb *dev); 358 void ddb_ports_release(struct ddb *dev); 359 void ddb_buffers_free(struct ddb *dev); 360 void ddb_device_destroy(struct ddb *dev); 361 irqreturn_t ddb_irq_handler0(int irq, void *dev_id); 362 irqreturn_t ddb_irq_handler1(int irq, void *dev_id); 363 irqreturn_t ddb_irq_handler(int irq, void *dev_id); 364 void ddb_ports_init(struct ddb *dev); 365 int ddb_buffers_alloc(struct ddb *dev); 366 int ddb_ports_attach(struct ddb *dev); 367 int ddb_device_create(struct ddb *dev); 368 int ddb_init(struct ddb *dev); 369 void ddb_unmap(struct ddb *dev); 370 int ddb_exit_ddbridge(int stage, int error); 371 int ddb_init_ddbridge(void); 372 373 #endif /* _DDBRIDGE_H_ */ 374