i2c/busses/i2c-viperboard.c

66 	struct vprbrd_i2c_read_msg *rmsg, int bytes_xfer)
73 		usb_sndbulkpipe(usb_dev, VPRBRD_EP_OUT), rmsg,
85 		usb_rcvbulkpipe(usb_dev, VPRBRD_EP_IN), rmsg,
117 	struct vprbrd_i2c_read_msg *rmsg =
121 	rmsg->header.cmd = VPRBRD_I2C_CMD_READ;
123 		rmsg->header.addr = cpu_to_le16(start + 0x4000);
127 			rmsg->header.len0 = remain_len;
128 			rmsg->header.len1 = 0x00;
129 			rmsg->header.len2 = 0x00;
130 			rmsg->header.len3 = 0x00;
131 			rmsg->header.len4 = 0x00;
132 			rmsg->header.len5 = 0x00;
137 			rmsg->header.len0 = remain_len - 255;
138 			rmsg->header.len1 = 0xff;
139 			rmsg->header.len2 = 0x00;
140 			rmsg->header.len3 = 0x00;
141 			rmsg->header.len4 = 0x00;
142 			rmsg->header.len5 = 0x00;
147 			rmsg->header.len0 = remain_len - 510;
148 			rmsg->header.len1 = 0xff;
149 			rmsg->header.len2 = 0xff;
150 			rmsg->header.len3 = 0x00;
151 			rmsg->header.len4 = 0x00;
152 			rmsg->header.len5 = 0x00;
157 			rmsg->header.len0 = 0x02;
158 			rmsg->header.len1 = 0xff;
159 			rmsg->header.len2 = 0xff;
160 			rmsg->header.len3 = remain_len - 512;
161 			rmsg->header.len4 = 0x00;
162 			rmsg->header.len5 = 0x00;
167 			rmsg->header.len0 = 0x02;
168 			rmsg->header.len1 = 0xff;
169 			rmsg->header.len2 = 0xff;
170 			rmsg->header.len3 = remain_len - 767;
171 			rmsg->header.len4 = 0xff;
172 			rmsg->header.len5 = 0x00;
177 			rmsg->header.len0 = 0x02;
178 			rmsg->header.len1 = 0xff;
179 			rmsg->header.len2 = 0xff;
180 			rmsg->header.len3 = remain_len - 1022;
181 			rmsg->header.len4 = 0xff;
182 			rmsg->header.len5 = 0xff;
187 			rmsg->header.len0 = 0x02;
188 			rmsg->header.len1 = 0xff;
189 			rmsg->header.len2 = 0xff;
190 			rmsg->header.len3 = 0x02;
191 			rmsg->header.len4 = 0xff;
192 			rmsg->header.len5 = 0xff;
196 		rmsg->header.tf1 = cpu_to_le16(len1);
197 		rmsg->header.tf2 = cpu_to_le16(len2);
200 		ret = vprbrd_i2c_receive(vb->usb_dev, rmsg, len1);
204 		memcpy(msg->buf + start, rmsg, len1);
208 			ret = vprbrd_i2c_receive(vb->usb_dev, rmsg, len2);
212 			memcpy(msg->buf + start + 512, rmsg, len2);