Lines Matching refs:id
114 struct cami2c *id = ptr;
115 struct i2c_msg *msg = id->msg;
119 msr = IN32(id, I2CMSR);
120 fsr = IN32(id, I2CFSR);
124 OUT32(id, I2CMCR, 0);
125 OUT32(id, I2CSCR, 0);
126 OUT32(id, I2CSAR, 0);
127 id->status |= IDS_DONE | IDS_ARBLOST;
139 OUT32(id, I2CFCR, FCR_RFRST | FCR_TFRST);
140 OUT32(id, I2CMCR, MCR_MIE | MCR_FSB);
141 OUT32(id, I2CFIER, 0);
142 OUT32(id, I2CMIER, MIE_MSTE);
143 OUT32(id, I2CSCR, 0);
144 OUT32(id, I2CSAR, 0);
145 id->status |= IDS_NACK;
153 id->status |= IDS_DONE;
159 OUT32(id, I2CMCR, MCR_MIE);
161 fier = IN32(id, I2CFIER);
164 len = IN32(id, I2CRFDR);
166 if (id->flags & IDF_STOP) {
167 OUT32(id, I2CMCR, MCR_MIE | MCR_FSB);
168 OUT32(id, I2CFIER, 0);
173 id->status |= IDS_DONE;
182 *data++ = IN32(id, I2CRXTX);
191 OUT32(id, I2CFCR, FCR_TFRST | ((len & 0xf) << 4));
194 } else if (id->flags & IDF_SEND) {
196 if (id->flags & IDF_STOP) {
197 OUT32(id, I2CMCR, MCR_MIE | MCR_FSB);
199 id->status |= IDS_DONE;
208 while (msg->len && (IN32(id, I2CTFDR) < FIFO_SIZE)) {
209 OUT32(id, I2CRXTX, *data++);
215 OUT32(id, I2CFIER, fier);
218 OUT32(id, I2CFCR,
224 if (id->status & IDS_DONE) {
225 OUT32(id, I2CMIER, 0);
226 OUT32(id, I2CFIER, 0);
227 id->msg = NULL;
228 complete(&id->xfer_done);
231 OUT32(id, I2CMSR, ~msr);
232 OUT32(id, I2CFSR, ~fsr);
233 OUT32(id, I2CSSR, 0);
240 static void sh7760_i2c_mrecv(struct cami2c *id)
244 id->flags |= IDF_RECV;
247 OUT32(id, I2CSAR, 0xfe);
248 OUT32(id, I2CMAR, (id->msg->addr << 1) | 1);
251 if (id->msg->len >= FIFO_SIZE)
254 len = id->msg->len - 1; /* trigger before all received */
256 OUT32(id, I2CFCR, FCR_RFRST | FCR_TFRST);
257 OUT32(id, I2CFCR, FCR_TFRST | ((len & 0xF) << 4));
259 OUT32(id, I2CMSR, 0);
260 OUT32(id, I2CMCR, MCR_MIE | MCR_ESG);
261 OUT32(id, I2CMIER, MIE_MNRE | MIE_MALE | MIE_MSTE | MIE_MATE);
262 OUT32(id, I2CFIER, FIER_RXIE);
266 static void sh7760_i2c_msend(struct cami2c *id)
270 id->flags |= IDF_SEND;
273 OUT32(id, I2CSAR, 0xfe);
274 OUT32(id, I2CMAR, (id->msg->addr << 1) | 0);
277 if (id->msg->len >= FIFO_SIZE)
282 OUT32(id, I2CFCR, FCR_RFRST | FCR_TFRST);
283 OUT32(id, I2CFCR, FCR_RFRST | ((len & 3) << 2));
285 while (id->msg->len && IN32(id, I2CTFDR) < FIFO_SIZE) {
286 OUT32(id, I2CRXTX, *(id->msg->buf));
287 (id->msg->len)--;
288 (id->msg->buf)++;
291 OUT32(id, I2CMSR, 0);
292 OUT32(id, I2CMCR, MCR_MIE | MCR_ESG);
293 OUT32(id, I2CFSR, 0);
294 OUT32(id, I2CMIER, MIE_MNRE | MIE_MALE | MIE_MSTE | MIE_MATE);
295 OUT32(id, I2CFIER, FIER_TEIE | (id->msg->len ? FIER_TXIE : 0));
298 static inline int sh7760_i2c_busy_check(struct cami2c *id)
300 return (IN32(id, I2CMCR) & MCR_FSDA);
307 struct cami2c *id = adap->algo_data;
310 if (sh7760_i2c_busy_check(id)) {
319 id->flags = ((i == (num-1)) ? IDF_STOP : 0);
320 id->status = 0;
321 id->msg = msgs;
322 init_completion(&id->xfer_done);
325 sh7760_i2c_mrecv(id);
327 sh7760_i2c_msend(id);
329 wait_for_completion(&id->xfer_done);
331 if (id->status == 0) {
336 if (id->status & IDS_NACK) {
343 if (id->status & IDS_ARBLOST) {
356 id->msg = NULL;
357 id->flags = 0;
358 id->status = 0;
360 OUT32(id, I2CMCR, 0);
361 OUT32(id, I2CMSR, 0);
362 OUT32(id, I2CMIER, 0);
363 OUT32(id, I2CFIER, 0);
369 OUT32(id, I2CSCR, 0);
370 OUT32(id, I2CSAR, 0);
371 OUT32(id, I2CSSR, 0);
436 struct cami2c *id;
446 id = kzalloc(sizeof(*id), GFP_KERNEL);
447 if (!id) {
459 id->ioarea = request_mem_region(res->start, REGSIZE, pdev->name);
460 if (!id->ioarea) {
466 id->iobase = ioremap(res->start, REGSIZE);
467 if (!id->iobase) {
476 id->irq = ret;
478 id->adap.nr = pdev->id;
479 id->adap.algo = &sh7760_i2c_algo;
480 id->adap.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
481 id->adap.retries = 3;
482 id->adap.algo_data = id;
483 id->adap.dev.parent = &pdev->dev;
484 snprintf(id->adap.name, sizeof(id->adap.name),
487 OUT32(id, I2CMCR, 0);
488 OUT32(id, I2CMSR, 0);
489 OUT32(id, I2CMIER, 0);
490 OUT32(id, I2CMAR, 0);
491 OUT32(id, I2CSIER, 0);
492 OUT32(id, I2CSAR, 0);
493 OUT32(id, I2CSCR, 0);
494 OUT32(id, I2CSSR, 0);
495 OUT32(id, I2CFIER, 0);
496 OUT32(id, I2CFCR, FCR_RFRST | FCR_TFRST);
497 OUT32(id, I2CFSR, 0);
505 OUT32(id, I2CCCR, ret);
507 if (request_irq(id->irq, sh7760_i2c_irq, 0,
508 SH7760_I2C_DEVNAME, id)) {
509 dev_err(&pdev->dev, "cannot get irq %d\n", id->irq);
514 ret = i2c_add_numbered_adapter(&id->adap);
518 platform_set_drvdata(pdev, id);
521 pd->speed_khz, res->start, id->irq);
526 free_irq(id->irq, id);
528 iounmap(id->iobase);
530 release_resource(id->ioarea);
531 kfree(id->ioarea);
533 kfree(id);
540 struct cami2c *id = platform_get_drvdata(pdev);
542 i2c_del_adapter(&id->adap);
543 free_irq(id->irq, id);
544 iounmap(id->iobase);
545 release_resource(id->ioarea);
546 kfree(id->ioarea);
547 kfree(id);