Lines Matching refs:ctrl
44 static void mdiobb_send_bit(struct mdiobb_ctrl *ctrl, int val)
46 const struct mdiobb_ops *ops = ctrl->ops;
48 ops->set_mdio_data(ctrl, val);
50 ops->set_mdc(ctrl, 1);
52 ops->set_mdc(ctrl, 0);
56 static int mdiobb_get_bit(struct mdiobb_ctrl *ctrl)
58 const struct mdiobb_ops *ops = ctrl->ops;
61 ops->set_mdc(ctrl, 1);
63 ops->set_mdc(ctrl, 0);
65 return ops->get_mdio_data(ctrl);
69 static void mdiobb_send_num(struct mdiobb_ctrl *ctrl, u16 val, int bits)
74 mdiobb_send_bit(ctrl, (val >> i) & 1);
78 static u16 mdiobb_get_num(struct mdiobb_ctrl *ctrl, int bits)
85 ret |= mdiobb_get_bit(ctrl);
94 static void mdiobb_cmd(struct mdiobb_ctrl *ctrl, int op, u8 phy, u8 reg)
96 const struct mdiobb_ops *ops = ctrl->ops;
99 ops->set_mdio_dir(ctrl, 1);
111 mdiobb_send_bit(ctrl, 1);
116 mdiobb_send_bit(ctrl, 0);
118 mdiobb_send_bit(ctrl, 0);
120 mdiobb_send_bit(ctrl, 1);
121 mdiobb_send_bit(ctrl, (op >> 1) & 1);
122 mdiobb_send_bit(ctrl, (op >> 0) & 1);
124 mdiobb_send_num(ctrl, phy, 5);
125 mdiobb_send_num(ctrl, reg, 5);
134 static int mdiobb_cmd_addr(struct mdiobb_ctrl *ctrl, int phy, u32 addr)
138 mdiobb_cmd(ctrl, MDIO_C45_ADDR, phy, dev_addr);
141 mdiobb_send_bit(ctrl, 1);
142 mdiobb_send_bit(ctrl, 0);
144 mdiobb_send_num(ctrl, reg, 16);
146 ctrl->ops->set_mdio_dir(ctrl, 0);
147 mdiobb_get_bit(ctrl);
154 struct mdiobb_ctrl *ctrl = bus->priv;
158 reg = mdiobb_cmd_addr(ctrl, phy, reg);
159 mdiobb_cmd(ctrl, MDIO_C45_READ, phy, reg);
161 mdiobb_cmd(ctrl, MDIO_READ, phy, reg);
163 ctrl->ops->set_mdio_dir(ctrl, 0);
168 if (mdiobb_get_bit(ctrl) != 0 &&
174 mdiobb_get_bit(ctrl);
179 ret = mdiobb_get_num(ctrl, 16);
180 mdiobb_get_bit(ctrl);
186 struct mdiobb_ctrl *ctrl = bus->priv;
189 reg = mdiobb_cmd_addr(ctrl, phy, reg);
190 mdiobb_cmd(ctrl, MDIO_C45_WRITE, phy, reg);
192 mdiobb_cmd(ctrl, MDIO_WRITE, phy, reg);
195 mdiobb_send_bit(ctrl, 1);
196 mdiobb_send_bit(ctrl, 0);
198 mdiobb_send_num(ctrl, val, 16);
200 ctrl->ops->set_mdio_dir(ctrl, 0);
201 mdiobb_get_bit(ctrl);
205 struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl)
213 __module_get(ctrl->ops->owner);
217 bus->priv = ctrl;
225 struct mdiobb_ctrl *ctrl = bus->priv;
227 module_put(ctrl->ops->owner);