1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #define AT803X_SPECIFIC_FUNCTION_CONTROL	0x10
4 #define AT803X_SFC_ASSERT_CRS			BIT(11)
5 #define AT803X_SFC_FORCE_LINK			BIT(10)
6 #define AT803X_SFC_MDI_CROSSOVER_MODE_M		GENMASK(6, 5)
7 #define AT803X_SFC_AUTOMATIC_CROSSOVER		0x3
8 #define AT803X_SFC_MANUAL_MDIX			0x1
9 #define AT803X_SFC_MANUAL_MDI			0x0
10 #define AT803X_SFC_SQE_TEST			BIT(2)
11 #define AT803X_SFC_POLARITY_REVERSAL		BIT(1)
12 #define AT803X_SFC_DISABLE_JABBER		BIT(0)
13 
14 #define AT803X_SPECIFIC_STATUS			0x11
15 #define AT803X_SS_SPEED_MASK			GENMASK(15, 14)
16 #define AT803X_SS_SPEED_1000			2
17 #define AT803X_SS_SPEED_100			1
18 #define AT803X_SS_SPEED_10			0
19 #define AT803X_SS_DUPLEX			BIT(13)
20 #define AT803X_SS_SPEED_DUPLEX_RESOLVED		BIT(11)
21 #define AT803X_SS_MDIX				BIT(6)
22 
23 #define QCA808X_SS_SPEED_MASK			GENMASK(9, 7)
24 #define QCA808X_SS_SPEED_2500			4
25 
26 #define AT803X_INTR_ENABLE			0x12
27 #define AT803X_INTR_ENABLE_AUTONEG_ERR		BIT(15)
28 #define AT803X_INTR_ENABLE_SPEED_CHANGED	BIT(14)
29 #define AT803X_INTR_ENABLE_DUPLEX_CHANGED	BIT(13)
30 #define AT803X_INTR_ENABLE_PAGE_RECEIVED	BIT(12)
31 #define AT803X_INTR_ENABLE_LINK_FAIL		BIT(11)
32 #define AT803X_INTR_ENABLE_LINK_SUCCESS		BIT(10)
33 #define AT803X_INTR_ENABLE_LINK_FAIL_BX		BIT(8)
34 #define AT803X_INTR_ENABLE_LINK_SUCCESS_BX	BIT(7)
35 #define AT803X_INTR_ENABLE_WIRESPEED_DOWNGRADE	BIT(5)
36 #define AT803X_INTR_ENABLE_POLARITY_CHANGED	BIT(1)
37 #define AT803X_INTR_ENABLE_WOL			BIT(0)
38 
39 #define AT803X_INTR_STATUS			0x13
40 
41 #define AT803X_SMART_SPEED			0x14
42 #define AT803X_SMART_SPEED_ENABLE		BIT(5)
43 #define AT803X_SMART_SPEED_RETRY_LIMIT_MASK	GENMASK(4, 2)
44 #define AT803X_SMART_SPEED_BYPASS_TIMER		BIT(1)
45 
46 #define AT803X_CDT				0x16
47 #define AT803X_CDT_MDI_PAIR_MASK		GENMASK(9, 8)
48 #define AT803X_CDT_ENABLE_TEST			BIT(0)
49 #define AT803X_CDT_STATUS			0x1c
50 #define AT803X_CDT_STATUS_STAT_NORMAL		0
51 #define AT803X_CDT_STATUS_STAT_SHORT		1
52 #define AT803X_CDT_STATUS_STAT_OPEN		2
53 #define AT803X_CDT_STATUS_STAT_FAIL		3
54 #define AT803X_CDT_STATUS_STAT_MASK		GENMASK(9, 8)
55 #define AT803X_CDT_STATUS_DELTA_TIME_MASK	GENMASK(7, 0)
56 
57 #define QCA808X_CDT_ENABLE_TEST			BIT(15)
58 #define QCA808X_CDT_INTER_CHECK_DIS		BIT(13)
59 #define QCA808X_CDT_STATUS			BIT(11)
60 #define QCA808X_CDT_LENGTH_UNIT			BIT(10)
61 
62 #define QCA808X_MMD3_CDT_STATUS			0x8064
63 #define QCA808X_MMD3_CDT_DIAG_PAIR_A		0x8065
64 #define QCA808X_MMD3_CDT_DIAG_PAIR_B		0x8066
65 #define QCA808X_MMD3_CDT_DIAG_PAIR_C		0x8067
66 #define QCA808X_MMD3_CDT_DIAG_PAIR_D		0x8068
67 #define QCA808X_CDT_DIAG_LENGTH_SAME_SHORT	GENMASK(15, 8)
68 #define QCA808X_CDT_DIAG_LENGTH_CROSS_SHORT	GENMASK(7, 0)
69 
70 #define QCA808X_CDT_CODE_PAIR_A			GENMASK(15, 12)
71 #define QCA808X_CDT_CODE_PAIR_B			GENMASK(11, 8)
72 #define QCA808X_CDT_CODE_PAIR_C			GENMASK(7, 4)
73 #define QCA808X_CDT_CODE_PAIR_D			GENMASK(3, 0)
74 
75 #define QCA808X_CDT_STATUS_STAT_TYPE		GENMASK(1, 0)
76 #define QCA808X_CDT_STATUS_STAT_FAIL		FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 0)
77 #define QCA808X_CDT_STATUS_STAT_NORMAL		FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 1)
78 #define QCA808X_CDT_STATUS_STAT_SAME_OPEN	FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 2)
79 #define QCA808X_CDT_STATUS_STAT_SAME_SHORT	FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_TYPE, 3)
80 
81 #define QCA808X_CDT_STATUS_STAT_MDI		GENMASK(3, 2)
82 #define QCA808X_CDT_STATUS_STAT_MDI1		FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 1)
83 #define QCA808X_CDT_STATUS_STAT_MDI2		FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 2)
84 #define QCA808X_CDT_STATUS_STAT_MDI3		FIELD_PREP_CONST(QCA808X_CDT_STATUS_STAT_MDI, 3)
85 
86 /* NORMAL are MDI with type set to 0 */
87 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_NORMAL	QCA808X_CDT_STATUS_STAT_MDI1
88 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_OPEN		(QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
89 									 QCA808X_CDT_STATUS_STAT_MDI1)
90 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI1_SAME_SHORT	(QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
91 									 QCA808X_CDT_STATUS_STAT_MDI1)
92 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_NORMAL	QCA808X_CDT_STATUS_STAT_MDI2
93 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_OPEN		(QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
94 									 QCA808X_CDT_STATUS_STAT_MDI2)
95 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI2_SAME_SHORT	(QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
96 									 QCA808X_CDT_STATUS_STAT_MDI2)
97 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_NORMAL	QCA808X_CDT_STATUS_STAT_MDI3
98 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_OPEN		(QCA808X_CDT_STATUS_STAT_SAME_OPEN |\
99 									 QCA808X_CDT_STATUS_STAT_MDI3)
100 #define QCA808X_CDT_STATUS_STAT_CROSS_SHORT_WITH_MDI3_SAME_SHORT	(QCA808X_CDT_STATUS_STAT_SAME_SHORT |\
101 									 QCA808X_CDT_STATUS_STAT_MDI3)
102 
103 /* Added for reference of existence but should be handled by wait_for_completion already */
104 #define QCA808X_CDT_STATUS_STAT_BUSY		(BIT(1) | BIT(3))
105 
106 #define QCA808X_MMD7_LED_GLOBAL			0x8073
107 #define QCA808X_LED_BLINK_1			GENMASK(11, 6)
108 #define QCA808X_LED_BLINK_2			GENMASK(5, 0)
109 /* Values are the same for both BLINK_1 and BLINK_2 */
110 #define QCA808X_LED_BLINK_FREQ_MASK		GENMASK(5, 3)
111 #define QCA808X_LED_BLINK_FREQ_2HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x0)
112 #define QCA808X_LED_BLINK_FREQ_4HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x1)
113 #define QCA808X_LED_BLINK_FREQ_8HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x2)
114 #define QCA808X_LED_BLINK_FREQ_16HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x3)
115 #define QCA808X_LED_BLINK_FREQ_32HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x4)
116 #define QCA808X_LED_BLINK_FREQ_64HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x5)
117 #define QCA808X_LED_BLINK_FREQ_128HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x6)
118 #define QCA808X_LED_BLINK_FREQ_256HZ		FIELD_PREP(QCA808X_LED_BLINK_FREQ_MASK, 0x7)
119 #define QCA808X_LED_BLINK_DUTY_MASK		GENMASK(2, 0)
120 #define QCA808X_LED_BLINK_DUTY_50_50		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x0)
121 #define QCA808X_LED_BLINK_DUTY_75_25		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x1)
122 #define QCA808X_LED_BLINK_DUTY_25_75		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x2)
123 #define QCA808X_LED_BLINK_DUTY_33_67		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x3)
124 #define QCA808X_LED_BLINK_DUTY_67_33		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x4)
125 #define QCA808X_LED_BLINK_DUTY_17_83		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x5)
126 #define QCA808X_LED_BLINK_DUTY_83_17		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x6)
127 #define QCA808X_LED_BLINK_DUTY_8_92		FIELD_PREP(QCA808X_LED_BLINK_DUTY_MASK, 0x7)
128 
129 /* LED hw control pattern is the same for every LED */
130 #define QCA808X_LED_PATTERN_MASK		GENMASK(15, 0)
131 #define QCA808X_LED_SPEED2500_ON		BIT(15)
132 #define QCA808X_LED_SPEED2500_BLINK		BIT(14)
133 /* Follow blink trigger even if duplex or speed condition doesn't match */
134 #define QCA808X_LED_BLINK_CHECK_BYPASS		BIT(13)
135 #define QCA808X_LED_FULL_DUPLEX_ON		BIT(12)
136 #define QCA808X_LED_HALF_DUPLEX_ON		BIT(11)
137 #define QCA808X_LED_TX_BLINK			BIT(10)
138 #define QCA808X_LED_RX_BLINK			BIT(9)
139 #define QCA808X_LED_TX_ON_10MS			BIT(8)
140 #define QCA808X_LED_RX_ON_10MS			BIT(7)
141 #define QCA808X_LED_SPEED1000_ON		BIT(6)
142 #define QCA808X_LED_SPEED100_ON			BIT(5)
143 #define QCA808X_LED_SPEED10_ON			BIT(4)
144 #define QCA808X_LED_COLLISION_BLINK		BIT(3)
145 #define QCA808X_LED_SPEED1000_BLINK		BIT(2)
146 #define QCA808X_LED_SPEED100_BLINK		BIT(1)
147 #define QCA808X_LED_SPEED10_BLINK		BIT(0)
148 
149 /* LED force ctrl is the same for every LED
150  * No documentation exist for this, not even internal one
151  * with NDA as QCOM gives only info about configuring
152  * hw control pattern rules and doesn't indicate any way
153  * to force the LED to specific mode.
154  * These define comes from reverse and testing and maybe
155  * lack of some info or some info are not entirely correct.
156  * For the basic LED control and hw control these finding
157  * are enough to support LED control in all the required APIs.
158  *
159  * On doing some comparison with implementation with qca807x,
160  * it was found that it's 1:1 equal to it and confirms all the
161  * reverse done. It was also found further specification with the
162  * force mode and the blink modes.
163  */
164 #define QCA808X_LED_FORCE_EN			BIT(15)
165 #define QCA808X_LED_FORCE_MODE_MASK		GENMASK(14, 13)
166 #define QCA808X_LED_FORCE_BLINK_1		FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x3)
167 #define QCA808X_LED_FORCE_BLINK_2		FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x2)
168 #define QCA808X_LED_FORCE_ON			FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x1)
169 #define QCA808X_LED_FORCE_OFF			FIELD_PREP(QCA808X_LED_FORCE_MODE_MASK, 0x0)
170 
171 #define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
172 #define AT803X_LOC_MAC_ADDR_16_31_OFFSET	0x804B
173 #define AT803X_LOC_MAC_ADDR_32_47_OFFSET	0x804A
174 
175 #define AT803X_DEBUG_ADDR			0x1D
176 #define AT803X_DEBUG_DATA			0x1E
177 
178 #define AT803X_DEBUG_ANALOG_TEST_CTRL		0x00
179 #define QCA8327_DEBUG_MANU_CTRL_EN		BIT(2)
180 #define QCA8337_DEBUG_MANU_CTRL_EN		GENMASK(3, 2)
181 #define AT803X_DEBUG_RX_CLK_DLY_EN		BIT(15)
182 
183 #define AT803X_DEBUG_SYSTEM_CTRL_MODE		0x05
184 #define AT803X_DEBUG_TX_CLK_DLY_EN		BIT(8)
185 
186 #define AT803X_DEBUG_REG_HIB_CTRL		0x0b
187 #define   AT803X_DEBUG_HIB_CTRL_SEL_RST_80U	BIT(10)
188 #define   AT803X_DEBUG_HIB_CTRL_EN_ANY_CHANGE	BIT(13)
189 #define   AT803X_DEBUG_HIB_CTRL_PS_HIB_EN	BIT(15)
190 
191 #define AT803X_DEFAULT_DOWNSHIFT		5
192 #define AT803X_MIN_DOWNSHIFT			2
193 #define AT803X_MAX_DOWNSHIFT			9
194 
195 enum stat_access_type {
196 	PHY,
197 	MMD
198 };
199 
200 struct at803x_hw_stat {
201 	const char *string;
202 	u8 reg;
203 	u32 mask;
204 	enum stat_access_type access_type;
205 };
206 
207 struct at803x_ss_mask {
208 	u16 speed_mask;
209 	u8 speed_shift;
210 };
211 
212 int at803x_debug_reg_read(struct phy_device *phydev, u16 reg);
213 int at803x_debug_reg_mask(struct phy_device *phydev, u16 reg,
214 			  u16 clear, u16 set);
215 int at803x_debug_reg_write(struct phy_device *phydev, u16 reg, u16 data);
216 int at803x_set_wol(struct phy_device *phydev,
217 		   struct ethtool_wolinfo *wol);
218 void at803x_get_wol(struct phy_device *phydev,
219 		    struct ethtool_wolinfo *wol);
220 int at803x_ack_interrupt(struct phy_device *phydev);
221 int at803x_config_intr(struct phy_device *phydev);
222 irqreturn_t at803x_handle_interrupt(struct phy_device *phydev);
223 int at803x_read_specific_status(struct phy_device *phydev,
224 				struct at803x_ss_mask ss_mask);
225 int at803x_config_mdix(struct phy_device *phydev, u8 ctrl);
226 int at803x_prepare_config_aneg(struct phy_device *phydev);
227 int at803x_read_status(struct phy_device *phydev);
228 int at803x_get_tunable(struct phy_device *phydev,
229 		       struct ethtool_tunable *tuna, void *data);
230 int at803x_set_tunable(struct phy_device *phydev,
231 		       struct ethtool_tunable *tuna, const void *data);
232 int at803x_cdt_fault_length(int dt);
233 int at803x_cdt_start(struct phy_device *phydev, u32 cdt_start);
234 int at803x_cdt_wait_for_completion(struct phy_device *phydev,
235 				   u32 cdt_en);
236 int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finished);
237 int qca808x_led_reg_hw_control_enable(struct phy_device *phydev, u16 reg);
238 bool qca808x_led_reg_hw_control_status(struct phy_device *phydev, u16 reg);
239 int qca808x_led_reg_brightness_set(struct phy_device *phydev,
240 				   u16 reg, enum led_brightness value);
241 int qca808x_led_reg_blink_set(struct phy_device *phydev, u16 reg,
242 			      unsigned long *delay_on,
243 			      unsigned long *delay_off);
244