36 static void igb_raise_eec_clk(struct e1000_hw *hw, u32 *eecd)  in igb_raise_eec_clk()  argument
38 	*eecd = *eecd | E1000_EECD_SK;  in igb_raise_eec_clk()
39 	wr32(E1000_EECD, *eecd);  in igb_raise_eec_clk()
51 static void igb_lower_eec_clk(struct e1000_hw *hw, u32 *eecd)  in igb_lower_eec_clk()  argument
53 	*eecd = *eecd & ~E1000_EECD_SK;  in igb_lower_eec_clk()
54 	wr32(E1000_EECD, *eecd);  in igb_lower_eec_clk()
72 	u32 eecd = rd32(E1000_EECD);  in igb_shift_out_eec_bits()  local
77 		eecd |= E1000_EECD_DO;  in igb_shift_out_eec_bits()
80 		eecd &= ~E1000_EECD_DI;  in igb_shift_out_eec_bits()
83 			eecd |= E1000_EECD_DI;  in igb_shift_out_eec_bits()
85 		wr32(E1000_EECD, eecd);  in igb_shift_out_eec_bits()
90 		igb_raise_eec_clk(hw, &eecd);  in igb_shift_out_eec_bits()
91 		igb_lower_eec_clk(hw, &eecd);  in igb_shift_out_eec_bits()
96 	eecd &= ~E1000_EECD_DI;  in igb_shift_out_eec_bits()
97 	wr32(E1000_EECD, eecd);  in igb_shift_out_eec_bits()
113 	u32 eecd;  in igb_shift_in_eec_bits()  local
117 	eecd = rd32(E1000_EECD);  in igb_shift_in_eec_bits()
119 	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);  in igb_shift_in_eec_bits()
124 		igb_raise_eec_clk(hw, &eecd);  in igb_shift_in_eec_bits()
126 		eecd = rd32(E1000_EECD);  in igb_shift_in_eec_bits()
128 		eecd &= ~E1000_EECD_DI;  in igb_shift_in_eec_bits()
129 		if (eecd & E1000_EECD_DO)  in igb_shift_in_eec_bits()
132 		igb_lower_eec_clk(hw, &eecd);  in igb_shift_in_eec_bits()
179 	u32 eecd = rd32(E1000_EECD);  in igb_acquire_nvm()  local
184 	wr32(E1000_EECD, eecd | E1000_EECD_REQ);  in igb_acquire_nvm()
185 	eecd = rd32(E1000_EECD);  in igb_acquire_nvm()
188 		if (eecd & E1000_EECD_GNT)  in igb_acquire_nvm()
191 		eecd = rd32(E1000_EECD);  in igb_acquire_nvm()
196 		eecd &= ~E1000_EECD_REQ;  in igb_acquire_nvm()
197 		wr32(E1000_EECD, eecd);  in igb_acquire_nvm()
214 	u32 eecd = rd32(E1000_EECD);  in igb_standby_nvm()  local
218 		eecd |= E1000_EECD_CS;  in igb_standby_nvm()
219 		wr32(E1000_EECD, eecd);  in igb_standby_nvm()
222 		eecd &= ~E1000_EECD_CS;  in igb_standby_nvm()
223 		wr32(E1000_EECD, eecd);  in igb_standby_nvm()
237 	u32 eecd;  in e1000_stop_nvm()  local
239 	eecd = rd32(E1000_EECD);  in e1000_stop_nvm()
242 		eecd |= E1000_EECD_CS;  in e1000_stop_nvm()
243 		igb_lower_eec_clk(hw, &eecd);  in e1000_stop_nvm()
255 	u32 eecd;  in igb_release_nvm()  local
259 	eecd = rd32(E1000_EECD);  in igb_release_nvm()
260 	eecd &= ~E1000_EECD_REQ;  in igb_release_nvm()
261 	wr32(E1000_EECD, eecd);  in igb_release_nvm()
273 	u32 eecd = rd32(E1000_EECD);  in igb_ready_nvm_eeprom()  local
281 		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);  in igb_ready_nvm_eeprom()
282 		wr32(E1000_EECD, eecd);  in igb_ready_nvm_eeprom()