35 	struct nvkm_device *device = aux->base.pad->i2c->subdev.device;  in gm200_i2c_aux_fini()
36 	nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00710000, 0x00000000);  in gm200_i2c_aux_fini()
42 	struct nvkm_device *device = aux->base.pad->i2c->subdev.device;  in gm200_i2c_aux_init()
46 	u32 ctrl, timeout;  in gm200_i2c_aux_init()  local
48 	/* wait up to 1ms for any previous transaction to be done... */  in gm200_i2c_aux_init()
49 	timeout = 1000;  in gm200_i2c_aux_init()
51 		ctrl = nvkm_rd32(device, 0x00d954 + (aux->ch * 0x50));  in gm200_i2c_aux_init()
53 		if (!timeout--) {  in gm200_i2c_aux_init()
54 			AUX_ERR(&aux->base, "begin idle timeout %08x", ctrl);  in gm200_i2c_aux_init()
55 			return -EBUSY;  in gm200_i2c_aux_init()
59 	/* set some magic, and wait up to 1ms for it to appear */  in gm200_i2c_aux_init()
60 	nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00700000, ureq);  in gm200_i2c_aux_init()
61 	timeout = 1000;  in gm200_i2c_aux_init()
63 		ctrl = nvkm_rd32(device, 0x00d954 + (aux->ch * 0x50));  in gm200_i2c_aux_init()
65 		if (!timeout--) {  in gm200_i2c_aux_init()
66 			AUX_ERR(&aux->base, "magic wait %08x", ctrl);  in gm200_i2c_aux_init()
68 			return -EBUSY;  in gm200_i2c_aux_init()
80 	struct nvkm_i2c *i2c = aux->base.pad->i2c;  in gm200_i2c_aux_xfer()
81 	struct nvkm_device *device = i2c->subdev.device;  in gm200_i2c_aux_xfer()
82 	const u32 base = aux->ch * 0x50;  in gm200_i2c_aux_xfer()
83 	u32 ctrl, stat, timeout, retries = 0;  in gm200_i2c_aux_xfer()  local
87 	AUX_TRACE(&aux->base, "%d: %08x %d", type, addr, *size);  in gm200_i2c_aux_xfer()
95 		AUX_TRACE(&aux->base, "sink not detected");  in gm200_i2c_aux_xfer()
96 		ret = -ENXIO;  in gm200_i2c_aux_xfer()
100 	nvkm_i2c_aux_autodpcd(i2c, aux->ch, false);  in gm200_i2c_aux_xfer()
105 			AUX_TRACE(&aux->base, "wr %08x", xbuf[i / 4]);  in gm200_i2c_aux_xfer()
113 	ctrl |= (*size ? (*size - 1) : 0x00000100);  in gm200_i2c_aux_xfer()
124 		/* transaction request, wait up to 2ms for it to complete */  in gm200_i2c_aux_xfer()
127 		timeout = 2000;  in gm200_i2c_aux_xfer()
131 			if (!timeout--) {  in gm200_i2c_aux_xfer()
132 				AUX_ERR(&aux->base, "timeout %08x", ctrl);  in gm200_i2c_aux_xfer()
133 				ret = -EIO;  in gm200_i2c_aux_xfer()
145 			ret = -ETIMEDOUT;  in gm200_i2c_aux_xfer()
147 			ret = -EIO;  in gm200_i2c_aux_xfer()
149 		AUX_TRACE(&aux->base, "%02d %08x %08x", retries, ctrl, stat);  in gm200_i2c_aux_xfer()
155 			AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]);  in gm200_i2c_aux_xfer()
162 	nvkm_i2c_aux_autodpcd(i2c, aux->ch, true);  in gm200_i2c_aux_xfer()
181 		return -ENOMEM;  in gm200_i2c_aux_new()
182 	*paux = &aux->base;  in gm200_i2c_aux_new()
184 	nvkm_i2c_aux_ctor(&gm200_i2c_aux_func, pad, index, &aux->base);  in gm200_i2c_aux_new()
185 	aux->ch = drive;  in gm200_i2c_aux_new()
186 	aux->base.intr = 1 << aux->ch;  in gm200_i2c_aux_new()