17 int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val)  in bcm_phy_write_exp()  argument
25 	return phy_write(phydev, MII_BCM54XX_EXP_DATA, val);  in bcm_phy_write_exp()
31 	int val;  in bcm_phy_read_exp()  local
33 	val = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);  in bcm_phy_read_exp()
34 	if (val < 0)  in bcm_phy_read_exp()
35 		return val;  in bcm_phy_read_exp()
37 	val = phy_read(phydev, MII_BCM54XX_EXP_DATA);  in bcm_phy_read_exp()
42 	return val;  in bcm_phy_read_exp()
57 int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)  in bcm54xx_auxctl_write()  argument
59 	return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);  in bcm54xx_auxctl_write()
64 		       u16 reg, u16 chl, u16 val)  in bcm_phy_write_misc()  argument
81 	rc = bcm_phy_write_exp(phydev, tmp, val);  in bcm_phy_write_misc()
149 			 u16 val)  in bcm_phy_write_shadow()  argument
154 			 MII_BCM54XX_SHD_DATA(val));  in bcm_phy_write_shadow()
160 	int val;  in bcm_phy_enable_apd()  local
163 		val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);  in bcm_phy_enable_apd()
164 		if (val < 0)  in bcm_phy_enable_apd()
165 			return val;  in bcm_phy_enable_apd()
167 		val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;  in bcm_phy_enable_apd()
168 		bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);  in bcm_phy_enable_apd()
171 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);  in bcm_phy_enable_apd()
172 	if (val < 0)  in bcm_phy_enable_apd()
173 		return val;  in bcm_phy_enable_apd()
176 	val &= BCM_APD_CLR_MASK;  in bcm_phy_enable_apd()
179 		val |= BCM54XX_SHD_APD_EN;  in bcm_phy_enable_apd()
181 		val |= BCM_NO_ANEG_APD_EN;  in bcm_phy_enable_apd()
184 	val |= BCM_APD_SINGLELP_EN;  in bcm_phy_enable_apd()
187 	return bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);  in bcm_phy_enable_apd()
193 	int val;  in bcm_phy_set_eee()  local
196 	val = phy_read_mmd(phydev, MDIO_MMD_AN, BRCM_CL45VEN_EEE_CONTROL);  in bcm_phy_set_eee()
197 	if (val < 0)  in bcm_phy_set_eee()
198 		return val;  in bcm_phy_set_eee()
201 		val |= LPI_FEATURE_EN | LPI_FEATURE_EN_DIG1000X;  in bcm_phy_set_eee()
203 		val &= ~(LPI_FEATURE_EN | LPI_FEATURE_EN_DIG1000X);  in bcm_phy_set_eee()
205 	phy_write_mmd(phydev, MDIO_MMD_AN, BRCM_CL45VEN_EEE_CONTROL, (u32)val);  in bcm_phy_set_eee()
208 	val = phy_read_mmd(phydev, MDIO_MMD_AN, BCM_CL45VEN_EEE_ADV);  in bcm_phy_set_eee()
209 	if (val < 0)  in bcm_phy_set_eee()
210 		return val;  in bcm_phy_set_eee()
213 		val |= (MDIO_EEE_100TX | MDIO_EEE_1000T);  in bcm_phy_set_eee()
215 		val &= ~(MDIO_EEE_100TX | MDIO_EEE_1000T);  in bcm_phy_set_eee()
217 	phy_write_mmd(phydev, MDIO_MMD_AN, BCM_CL45VEN_EEE_ADV, (u32)val);  in bcm_phy_set_eee()
225 	int val;  in bcm_phy_downshift_get()  local
227 	val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);  in bcm_phy_downshift_get()
228 	if (val < 0)  in bcm_phy_downshift_get()
229 		return val;  in bcm_phy_downshift_get()
232 	if (!(val & MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN)) {  in bcm_phy_downshift_get()
237 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR2);  in bcm_phy_downshift_get()
238 	if (val < 0)  in bcm_phy_downshift_get()
239 		return val;  in bcm_phy_downshift_get()
242 	if (val & BCM54XX_SHD_SCR2_WSPD_RTRY_DIS) {  in bcm_phy_downshift_get()
246 		val >>= BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT;  in bcm_phy_downshift_get()
247 		val &= BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK;  in bcm_phy_downshift_get()
248 		*count = val + BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET;  in bcm_phy_downshift_get()
257 	int val = 0, ret = 0;  in bcm_phy_downshift_set()  local
266 	val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);  in bcm_phy_downshift_set()
267 	if (val < 0)  in bcm_phy_downshift_set()
268 		return val;  in bcm_phy_downshift_set()
271 	val |= MII_BCM54XX_AUXCTL_MISC_WREN;  in bcm_phy_downshift_set()
274 		val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN;  in bcm_phy_downshift_set()
277 					    val);  in bcm_phy_downshift_set()
279 		val |= MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN;  in bcm_phy_downshift_set()
282 					   val);  in bcm_phy_downshift_set()
287 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR2);  in bcm_phy_downshift_set()
288 	val &= ~(BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK <<  in bcm_phy_downshift_set()
294 		val |= BCM54XX_SHD_SCR2_WSPD_RTRY_DIS;  in bcm_phy_downshift_set()
297 		val |= 1 << BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT;  in bcm_phy_downshift_set()
300 		val |= (count - BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET) <<  in bcm_phy_downshift_set()
305 	return bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR2, val);  in bcm_phy_downshift_set()
348 	int val;  in bcm_phy_get_stat()  local
351 	val = phy_read(phydev, stat.reg);  in bcm_phy_get_stat()
352 	if (val < 0) {  in bcm_phy_get_stat()
355 		val >>= stat.shift;  in bcm_phy_get_stat()
356 		val = val & ((1 << stat.bits) - 1);  in bcm_phy_get_stat()
357 		shadow[i] += val;  in bcm_phy_get_stat()