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);
133 static void mdiobb_cmd_addr(struct mdiobb_ctrl *ctrl, int phy, int dev_addr,
136 mdiobb_cmd(ctrl, MDIO_C45_ADDR, phy, dev_addr);
139 mdiobb_send_bit(ctrl, 1);
140 mdiobb_send_bit(ctrl, 0);
142 mdiobb_send_num(ctrl, reg, 16);
144 ctrl->ops->set_mdio_dir(ctrl, 0);
145 mdiobb_get_bit(ctrl);
150 struct mdiobb_ctrl *ctrl = bus->priv;
153 ctrl->ops->set_mdio_dir(ctrl, 0);
158 if (mdiobb_get_bit(ctrl) != 0 &&
164 mdiobb_get_bit(ctrl);
169 ret = mdiobb_get_num(ctrl, 16);
170 mdiobb_get_bit(ctrl);
176 struct mdiobb_ctrl *ctrl = bus->priv;
178 mdiobb_cmd(ctrl, ctrl->op_c22_read, phy, reg);
186 struct mdiobb_ctrl *ctrl = bus->priv;
188 mdiobb_cmd_addr(ctrl, phy, devad, reg);
189 mdiobb_cmd(ctrl, MDIO_C45_READ, phy, devad);
197 struct mdiobb_ctrl *ctrl = bus->priv;
200 mdiobb_send_bit(ctrl, 1);
201 mdiobb_send_bit(ctrl, 0);
203 mdiobb_send_num(ctrl, val, 16);
205 ctrl->ops->set_mdio_dir(ctrl, 0);
206 mdiobb_get_bit(ctrl);
212 struct mdiobb_ctrl *ctrl = bus->priv;
214 mdiobb_cmd(ctrl, ctrl->op_c22_write, phy, reg);
222 struct mdiobb_ctrl *ctrl = bus->priv;
224 mdiobb_cmd_addr(ctrl, phy, devad, reg);
225 mdiobb_cmd(ctrl, MDIO_C45_WRITE, phy, devad);
231 struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl)
239 __module_get(ctrl->ops->owner);
246 bus->priv = ctrl;
247 if (!ctrl->override_op_c22) {
248 ctrl->op_c22_read = MDIO_READ;
249 ctrl->op_c22_write = MDIO_WRITE;
258 struct mdiobb_ctrl *ctrl = bus->priv;
260 module_put(ctrl->ops->owner);