Cross Reference: /src/sys/dev/i2c/motoi2c.c

Lines Matching defs:cr
168 motoi2c_busy_wait(struct motoi2c_softc *sc, uint8_t cr)
179 		DPRINTF(("%s: timeout (sr=%#x, cr=%#x)\n",
186 	if ((cr & CR_MTX) && (sr & SR_RXAK)) {
213 	uint8_t cr;
217 	cr = I2C_READ(I2CCR);
220 	DPRINTF(("%s(%#x,%#x,%p,%zu,%p,%zu,%#x): sr=%#x cr=%#x\n",
222 	    sr, cr));
225 	if ((cr & CR_MSTA) == 0 && (sr & SR_MBB) != 0) {
239 	cr = sc->sc_enable_mask | CR_MTX | CR_MSTA;
240 	I2C_WRITE(I2CCR, cr);
242 	DPRINTF(("%s: started: sr=%#x cr=%#x/%#x\n",
243 	    __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR)));
247 		DPRINTF(("%s: lost bus: sr=%#x cr=%#x/%#x\n",
248 		    __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR)));
258 		DPRINTF(("%s: reacquired bus: sr=%#x cr=%#x/%#x\n",
259 		    __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR)));
267 	error = motoi2c_busy_wait(sc, cr);
279 		error = motoi2c_busy_wait(sc, cr);
281 			DPRINTF(("%s: error sending cmd byte %zu (cr=%#x/%#x):"
282 			    " %d\n", __func__, i, I2C_READ(I2CCR), cr, error));
288 		KASSERT(cr & CR_MTX);
289 		KASSERT((cr & CR_TXAK) == 0);
290 		I2C_WRITE(I2CCR, cr | CR_RSTA);
292 		DPRINTF(("%s: restarted(read): sr=%#x cr=%#x(%#x)\n",
293 		    __func__, I2C_READ(I2CSR), cr | CR_RSTA, I2C_READ(I2CCR)));
300 		error = motoi2c_busy_wait(sc, cr);
310 		cr &= ~CR_MTX;		/* clear transmit flags */
312 			cr |= CR_TXAK;
313 		I2C_WRITE(I2CCR, cr);
324 			error = motoi2c_busy_wait(sc, cr);
331 				cr |= CR_TXAK;
332 				I2C_WRITE(I2CCR, cr);
334 				cr = sc->sc_enable_mask | CR_TXAK;
335 				I2C_WRITE(I2CCR, cr);
341 				cr = sc->sc_enable_mask | CR_TXAK;
342 				I2C_WRITE(I2CCR, cr);
345 			error = motoi2c_busy_wait(sc, cr);
356 			error = motoi2c_busy_wait(sc, cr);
370 	if (error || (cr & CR_TXAK) || ((cr & CR_MSTA) && I2C_OP_STOP_P(op))) {
371 		cr = sc->sc_enable_mask;
372 		I2C_WRITE(I2CCR, cr);
374 		DPRINTF(("%s: stopping: cr=%#x/%#x\n", __func__,
375 		    cr, I2C_READ(I2CCR)));
378 	DPRINTF(("%s: exit sr=%#x cr=%#x: %d\n", __func__,
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