80 static void meson_spifc_drain_buffer(struct meson_spifc_priv *spifc,  in meson_spifc_drain_buffer()  argument
87 		regmap_read(spifc->regmap, REG_C0 + i, &data);  in meson_spifc_drain_buffer()
106 static void meson_spifc_fill_buffer(struct meson_spifc_priv *spifc,  in meson_spifc_fill_buffer()  argument
118 		regmap_write(spifc->regmap, REG_C0 + i, data);  in meson_spifc_fill_buffer()
136 static int meson_spifc_txrx(struct meson_spifc_priv *spifc,  in meson_spifc_txrx()  argument
145 		meson_spifc_fill_buffer(spifc, dout + offset, len);  in meson_spifc_txrx()
148 	regmap_update_bits(spifc->regmap, REG_USER, USER_UC_MASK,  in meson_spifc_txrx()
150 	regmap_write(spifc->regmap, REG_USER1,  in meson_spifc_txrx()
154 	regmap_update_bits(spifc->regmap, REG_USER, USER_DIN_EN_MS,  in meson_spifc_txrx()
160 	regmap_update_bits(spifc->regmap, REG_USER4, USER4_CS_ACT,  in meson_spifc_txrx()
164 	regmap_update_bits(spifc->regmap, REG_SLAVE, SLAVE_TRST_DONE, 0);  in meson_spifc_txrx()
166 	regmap_update_bits(spifc->regmap, REG_CMD, CMD_USER, CMD_USER);  in meson_spifc_txrx()
169 	ret = regmap_read_poll_timeout(spifc->regmap, REG_SLAVE, data,  in meson_spifc_txrx()
174 		meson_spifc_drain_buffer(spifc, din + offset, len);  in meson_spifc_txrx()
191 	struct meson_spifc_priv *spifc = dev_get_priv(slave->parent);  in meson_spifc_xfer()  local
200 	regmap_update_bits(spifc->regmap, REG_CTRL, CTRL_ENABLE_AHB, 0);  in meson_spifc_xfer()
204 		ret = meson_spifc_txrx(spifc, dout, din, done, len,  in meson_spifc_xfer()
210 	regmap_update_bits(spifc->regmap, REG_CTRL, CTRL_ENABLE_AHB,  in meson_spifc_xfer()
223 	struct meson_spifc_priv *spifc = dev_get_priv(dev);  in meson_spifc_set_speed()  local
227 	parent = clk_get_rate(&spifc->clk);  in meson_spifc_set_speed()
237 	regmap_write(spifc->regmap, REG_CLOCK, value);  in meson_spifc_set_speed()
250 	struct meson_spifc_priv *spifc = dev_get_priv(dev);  in meson_spifc_set_mode()  local
256 	regmap_update_bits(spifc->regmap, REG_USER, USER_CLK_NOT_INV,  in meson_spifc_set_mode()
259 	regmap_update_bits(spifc->regmap, REG_USER4, USER4_CS_POL_HIGH,  in meson_spifc_set_mode()
269 static void meson_spifc_hw_init(struct meson_spifc_priv *spifc)  in meson_spifc_hw_init()  argument
272 	regmap_update_bits(spifc->regmap, REG_SLAVE, SLAVE_SW_RST,  in meson_spifc_hw_init()
275 	regmap_update_bits(spifc->regmap, REG_USER, USER_CMP_MODE, 0);  in meson_spifc_hw_init()
277 	regmap_update_bits(spifc->regmap, REG_SLAVE, SLAVE_OP_MODE, 0);  in meson_spifc_hw_init()