28 #include "bus.h"
32 	struct nvkm_i2c_bus *bus;  member
45 	struct anx9805_bus *bus = anx9805_bus(base);  in anx9805_bus_xfer()  local
46 	struct anx9805_pad *pad = bus->pad;  in anx9805_bus_xfer()
47 	struct i2c_adapter *adap = &pad->bus->i2c;  in anx9805_bus_xfer()
49 	int ret = -ETIMEDOUT;  in anx9805_bus_xfer()
53 	tmp = nvkm_rdi2cr(adap, pad->addr, 0x07) & ~0x10;  in anx9805_bus_xfer()
54 	nvkm_wri2cr(adap, pad->addr, 0x07, tmp | 0x10);  in anx9805_bus_xfer()
55 	nvkm_wri2cr(adap, pad->addr, 0x07, tmp);  in anx9805_bus_xfer()
56 	nvkm_wri2cr(adap, bus->addr, 0x43, 0x05);  in anx9805_bus_xfer()
59 	while (cnt--) {  in anx9805_bus_xfer()
60 		if ( (msg->flags & I2C_M_RD) && msg->addr == 0x50) {  in anx9805_bus_xfer()
61 			nvkm_wri2cr(adap, bus->addr, 0x40, msg->addr << 1);  in anx9805_bus_xfer()
62 			nvkm_wri2cr(adap, bus->addr, 0x41, seg);  in anx9805_bus_xfer()
63 			nvkm_wri2cr(adap, bus->addr, 0x42, off);  in anx9805_bus_xfer()
64 			nvkm_wri2cr(adap, bus->addr, 0x44, msg->len);  in anx9805_bus_xfer()
65 			nvkm_wri2cr(adap, bus->addr, 0x45, 0x00);  in anx9805_bus_xfer()
66 			nvkm_wri2cr(adap, bus->addr, 0x43, 0x01);  in anx9805_bus_xfer()
67 			for (i = 0; i < msg->len; i++) {  in anx9805_bus_xfer()
69 				while (nvkm_rdi2cr(adap, bus->addr, 0x46) & 0x10) {  in anx9805_bus_xfer()
74 				msg->buf[i] = nvkm_rdi2cr(adap, bus->addr, 0x47);  in anx9805_bus_xfer()
77 		if (!(msg->flags & I2C_M_RD)) {  in anx9805_bus_xfer()
78 			if (msg->addr == 0x50 && msg->len == 0x01) {  in anx9805_bus_xfer()
79 				off = msg->buf[0];  in anx9805_bus_xfer()
81 			if (msg->addr == 0x30 && msg->len == 0x01) {  in anx9805_bus_xfer()
82 				seg = msg->buf[0];  in anx9805_bus_xfer()
93 	nvkm_wri2cr(adap, bus->addr, 0x43, 0x00);  in anx9805_bus_xfer()
107 	struct anx9805_bus *bus;  in anx9805_bus_new()  local
110 	if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL)))  in anx9805_bus_new()
111 		return -ENOMEM;  in anx9805_bus_new()
112 	*pbus = &bus->base;  in anx9805_bus_new()
113 	bus->pad = pad;  in anx9805_bus_new()
115 	ret = nvkm_i2c_bus_ctor(&anx9805_bus_func, &pad->base, id, &bus->base);  in anx9805_bus_new()
119 	switch (pad->addr) {  in anx9805_bus_new()
120 	case 0x39: bus->addr = 0x3d; break;  in anx9805_bus_new()
121 	case 0x3b: bus->addr = 0x3f; break;  in anx9805_bus_new()
123 		return -ENOSYS;  in anx9805_bus_new()
139 	struct anx9805_aux *aux = anx9805_aux(base);  in anx9805_aux_xfer()  local
140 	struct anx9805_pad *pad = aux->pad;  in anx9805_aux_xfer()
141 	struct i2c_adapter *adap = &pad->bus->i2c;  in anx9805_aux_xfer()
142 	int i, ret = -ETIMEDOUT;  in anx9805_aux_xfer()
146 	AUX_DBG(&aux->base, "%02x %05x %d", type, addr, *size);  in anx9805_aux_xfer()
148 	tmp = nvkm_rdi2cr(adap, pad->addr, 0x07) & ~0x04;  in anx9805_aux_xfer()
149 	nvkm_wri2cr(adap, pad->addr, 0x07, tmp | 0x04);  in anx9805_aux_xfer()
150 	nvkm_wri2cr(adap, pad->addr, 0x07, tmp);  in anx9805_aux_xfer()
151 	nvkm_wri2cr(adap, pad->addr, 0xf7, 0x01);  in anx9805_aux_xfer()
153 	nvkm_wri2cr(adap, aux->addr, 0xe4, 0x80);  in anx9805_aux_xfer()
156 		AUX_DBG(&aux->base, "%16ph", buf);  in anx9805_aux_xfer()
158 			nvkm_wri2cr(adap, aux->addr, 0xf0 + i, buf[i]);  in anx9805_aux_xfer()
160 	nvkm_wri2cr(adap, aux->addr, 0xe5, ((*size - 1) << 4) | type);  in anx9805_aux_xfer()
161 	nvkm_wri2cr(adap, aux->addr, 0xe6, (addr & 0x000ff) >>  0);  in anx9805_aux_xfer()
162 	nvkm_wri2cr(adap, aux->addr, 0xe7, (addr & 0x0ff00) >>  8);  in anx9805_aux_xfer()
163 	nvkm_wri2cr(adap, aux->addr, 0xe8, (addr & 0xf0000) >> 16);  in anx9805_aux_xfer()
164 	nvkm_wri2cr(adap, aux->addr, 0xe9, 0x01);  in anx9805_aux_xfer()
167 	while ((tmp = nvkm_rdi2cr(adap, aux->addr, 0xe9)) & 0x01) {  in anx9805_aux_xfer()
173 	if ((tmp = nvkm_rdi2cr(adap, pad->addr, 0xf7)) & 0x01) {  in anx9805_aux_xfer()
174 		ret = -EIO;  in anx9805_aux_xfer()
180 			buf[i] = nvkm_rdi2cr(adap, aux->addr, 0xf0 + i);  in anx9805_aux_xfer()
181 		AUX_DBG(&aux->base, "%16ph", buf);  in anx9805_aux_xfer()
187 	nvkm_wri2cr(adap, pad->addr, 0xf7, 0x01);  in anx9805_aux_xfer()
195 	struct anx9805_aux *aux = anx9805_aux(base);  in anx9805_aux_lnk_ctl()  local
196 	struct anx9805_pad *pad = aux->pad;  in anx9805_aux_lnk_ctl()
197 	struct i2c_adapter *adap = &pad->bus->i2c;  in anx9805_aux_lnk_ctl()
200 	AUX_DBG(&aux->base, "ANX9805 train %d %02x %d",  in anx9805_aux_lnk_ctl()
203 	nvkm_wri2cr(adap, aux->addr, 0xa0, link_bw);  in anx9805_aux_lnk_ctl()
204 	nvkm_wri2cr(adap, aux->addr, 0xa1, link_nr | (enh ? 0x80 : 0x00));  in anx9805_aux_lnk_ctl()
205 	nvkm_wri2cr(adap, aux->addr, 0xa2, 0x01);  in anx9805_aux_lnk_ctl()
206 	nvkm_wri2cr(adap, aux->addr, 0xa8, 0x01);  in anx9805_aux_lnk_ctl()
209 	while ((tmp = nvkm_rdi2cr(adap, aux->addr, 0xa8)) & 0x01) {  in anx9805_aux_lnk_ctl()
212 			AUX_ERR(&aux->base, "link training timeout");  in anx9805_aux_lnk_ctl()
213 			return -ETIMEDOUT;  in anx9805_aux_lnk_ctl()
218 		AUX_ERR(&aux->base, "link training failed");  in anx9805_aux_lnk_ctl()
219 		return -EIO;  in anx9805_aux_lnk_ctl()
236 	struct anx9805_aux *aux;  in anx9805_aux_new()  local
239 	if (!(aux = kzalloc(sizeof(*aux), GFP_KERNEL)))  in anx9805_aux_new()
240 		return -ENOMEM;  in anx9805_aux_new()
241 	*pbus = &aux->base;  in anx9805_aux_new()
242 	aux->pad = pad;  in anx9805_aux_new()
244 	ret = nvkm_i2c_aux_ctor(&anx9805_aux_func, &pad->base, id, &aux->base);  in anx9805_aux_new()
248 	switch (pad->addr) {  in anx9805_aux_new()
249 	case 0x39: aux->addr = 0x38; break;  in anx9805_aux_new()
250 	case 0x3b: aux->addr = 0x3c; break;  in anx9805_aux_new()
252 		return -ENOSYS;  in anx9805_aux_new()
265 anx9805_pad_new(struct nvkm_i2c_bus *bus, int id, u8 addr,  in anx9805_pad_new()  argument
271 		return -ENOMEM;  in anx9805_pad_new()
272 	*ppad = &pad->base;  in anx9805_pad_new()
274 	nvkm_i2c_pad_ctor(&anx9805_pad_func, bus->pad->i2c, id, &pad->base);  in anx9805_pad_new()
275 	pad->bus = bus;  in anx9805_pad_new()
276 	pad->addr = addr;  in anx9805_pad_new()