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authorMichael Büsch <m@bues.ch>2016-03-04 16:38:45 -0500
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2016-03-14 12:08:32 -0400
commitaba39d27bdb2e92b22f0cd1b29adb3a86d781d2c (patch)
tree7c0089e88b3794cae9dc8d6a556a389d62f0cebb /drivers/rtc
parent7a587eae2a8b6eeb7919fd25f686fa20b14f4821 (diff)
rtc: rv3029: Remove all 'C2' suffixes from identifiers
The C2 suffix does not appear anymore in the latest device and data sheet versions. Signed-off-by: Michael Buesch <m@bues.ch> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-rv3029c2.c295
1 files changed, 148 insertions, 147 deletions
diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index e9ac5a43be1a..3083ace009d4 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * Micro Crystal RV-3029C2 rtc class driver 2 * Micro Crystal RV-3029 rtc class driver
3 * 3 *
4 * Author: Gregory Hermant <gregory.hermant@calao-systems.com> 4 * Author: Gregory Hermant <gregory.hermant@calao-systems.com>
5 * 5 *
@@ -21,77 +21,77 @@
21 21
22/* Register map */ 22/* Register map */
23/* control section */ 23/* control section */
24#define RV3029C2_ONOFF_CTRL 0x00 24#define RV3029_ONOFF_CTRL 0x00
25#define RV3029C2_IRQ_CTRL 0x01 25#define RV3029_IRQ_CTRL 0x01
26#define RV3029C2_IRQ_CTRL_AIE (1 << 0) 26#define RV3029_IRQ_CTRL_AIE (1 << 0)
27#define RV3029C2_IRQ_FLAGS 0x02 27#define RV3029_IRQ_FLAGS 0x02
28#define RV3029C2_IRQ_FLAGS_AF (1 << 0) 28#define RV3029_IRQ_FLAGS_AF (1 << 0)
29#define RV3029C2_STATUS 0x03 29#define RV3029_STATUS 0x03
30#define RV3029C2_STATUS_VLOW1 (1 << 2) 30#define RV3029_STATUS_VLOW1 (1 << 2)
31#define RV3029C2_STATUS_VLOW2 (1 << 3) 31#define RV3029_STATUS_VLOW2 (1 << 3)
32#define RV3029C2_STATUS_SR (1 << 4) 32#define RV3029_STATUS_SR (1 << 4)
33#define RV3029C2_STATUS_PON (1 << 5) 33#define RV3029_STATUS_PON (1 << 5)
34#define RV3029C2_STATUS_EEBUSY (1 << 7) 34#define RV3029_STATUS_EEBUSY (1 << 7)
35#define RV3029C2_RST_CTRL 0x04 35#define RV3029_RST_CTRL 0x04
36#define RV3029C2_CONTROL_SECTION_LEN 0x05 36#define RV3029_CONTROL_SECTION_LEN 0x05
37 37
38/* watch section */ 38/* watch section */
39#define RV3029C2_W_SEC 0x08 39#define RV3029_W_SEC 0x08
40#define RV3029C2_W_MINUTES 0x09 40#define RV3029_W_MINUTES 0x09
41#define RV3029C2_W_HOURS 0x0A 41#define RV3029_W_HOURS 0x0A
42#define RV3029C2_REG_HR_12_24 (1<<6) /* 24h/12h mode */ 42#define RV3029_REG_HR_12_24 (1<<6) /* 24h/12h mode */
43#define RV3029C2_REG_HR_PM (1<<5) /* PM/AM bit in 12h mode */ 43#define RV3029_REG_HR_PM (1<<5) /* PM/AM bit in 12h mode */
44#define RV3029C2_W_DATE 0x0B 44#define RV3029_W_DATE 0x0B
45#define RV3029C2_W_DAYS 0x0C 45#define RV3029_W_DAYS 0x0C
46#define RV3029C2_W_MONTHS 0x0D 46#define RV3029_W_MONTHS 0x0D
47#define RV3029C2_W_YEARS 0x0E 47#define RV3029_W_YEARS 0x0E
48#define RV3029C2_WATCH_SECTION_LEN 0x07 48#define RV3029_WATCH_SECTION_LEN 0x07
49 49
50/* alarm section */ 50/* alarm section */
51#define RV3029C2_A_SC 0x10 51#define RV3029_A_SC 0x10
52#define RV3029C2_A_MN 0x11 52#define RV3029_A_MN 0x11
53#define RV3029C2_A_HR 0x12 53#define RV3029_A_HR 0x12
54#define RV3029C2_A_DT 0x13 54#define RV3029_A_DT 0x13
55#define RV3029C2_A_DW 0x14 55#define RV3029_A_DW 0x14
56#define RV3029C2_A_MO 0x15 56#define RV3029_A_MO 0x15
57#define RV3029C2_A_YR 0x16 57#define RV3029_A_YR 0x16
58#define RV3029C2_ALARM_SECTION_LEN 0x07 58#define RV3029_ALARM_SECTION_LEN 0x07
59 59
60/* timer section */ 60/* timer section */
61#define RV3029C2_TIMER_LOW 0x18 61#define RV3029_TIMER_LOW 0x18
62#define RV3029C2_TIMER_HIGH 0x19 62#define RV3029_TIMER_HIGH 0x19
63 63
64/* temperature section */ 64/* temperature section */
65#define RV3029C2_TEMP_PAGE 0x20 65#define RV3029_TEMP_PAGE 0x20
66 66
67/* eeprom data section */ 67/* eeprom data section */
68#define RV3029C2_E2P_EEDATA1 0x28 68#define RV3029_E2P_EEDATA1 0x28
69#define RV3029C2_E2P_EEDATA2 0x29 69#define RV3029_E2P_EEDATA2 0x29
70 70
71/* eeprom control section */ 71/* eeprom control section */
72#define RV3029C2_CONTROL_E2P_EECTRL 0x30 72#define RV3029_CONTROL_E2P_EECTRL 0x30
73#define RV3029C2_TRICKLE_1K (1<<0) /* 1K resistance */ 73#define RV3029_TRICKLE_1K (1<<0) /* 1K resistance */
74#define RV3029C2_TRICKLE_5K (1<<1) /* 5K resistance */ 74#define RV3029_TRICKLE_5K (1<<1) /* 5K resistance */
75#define RV3029C2_TRICKLE_20K (1<<2) /* 20K resistance */ 75#define RV3029_TRICKLE_20K (1<<2) /* 20K resistance */
76#define RV3029C2_TRICKLE_80K (1<<3) /* 80K resistance */ 76#define RV3029_TRICKLE_80K (1<<3) /* 80K resistance */
77#define RV3029C2_CONTROL_E2P_XTALOFFSET 0x31 77#define RV3029_CONTROL_E2P_XTALOFFSET 0x31
78#define RV3029C2_CONTROL_E2P_QCOEF 0x32 78#define RV3029_CONTROL_E2P_QCOEF 0x32
79#define RV3029C2_CONTROL_E2P_TURNOVER 0x33 79#define RV3029_CONTROL_E2P_TURNOVER 0x33
80 80
81/* user ram section */ 81/* user ram section */
82#define RV3029C2_USR1_RAM_PAGE 0x38 82#define RV3029_USR1_RAM_PAGE 0x38
83#define RV3029C2_USR1_SECTION_LEN 0x04 83#define RV3029_USR1_SECTION_LEN 0x04
84#define RV3029C2_USR2_RAM_PAGE 0x3C 84#define RV3029_USR2_RAM_PAGE 0x3C
85#define RV3029C2_USR2_SECTION_LEN 0x04 85#define RV3029_USR2_SECTION_LEN 0x04
86 86
87static int 87static int
88rv3029c2_i2c_read_regs(struct i2c_client *client, u8 reg, u8 *buf, 88rv3029_i2c_read_regs(struct i2c_client *client, u8 reg, u8 *buf,
89 unsigned len) 89 unsigned len)
90{ 90{
91 int ret; 91 int ret;
92 92
93 if ((reg > RV3029C2_USR1_RAM_PAGE + 7) || 93 if ((reg > RV3029_USR1_RAM_PAGE + 7) ||
94 (reg + len > RV3029C2_USR1_RAM_PAGE + 8)) 94 (reg + len > RV3029_USR1_RAM_PAGE + 8))
95 return -EINVAL; 95 return -EINVAL;
96 96
97 ret = i2c_smbus_read_i2c_block_data(client, reg, len, buf); 97 ret = i2c_smbus_read_i2c_block_data(client, reg, len, buf);
@@ -103,20 +103,20 @@ rv3029c2_i2c_read_regs(struct i2c_client *client, u8 reg, u8 *buf,
103} 103}
104 104
105static int 105static int
106rv3029c2_i2c_write_regs(struct i2c_client *client, u8 reg, u8 const buf[], 106rv3029_i2c_write_regs(struct i2c_client *client, u8 reg, u8 const buf[],
107 unsigned len) 107 unsigned len)
108{ 108{
109 if ((reg > RV3029C2_USR1_RAM_PAGE + 7) || 109 if ((reg > RV3029_USR1_RAM_PAGE + 7) ||
110 (reg + len > RV3029C2_USR1_RAM_PAGE + 8)) 110 (reg + len > RV3029_USR1_RAM_PAGE + 8))
111 return -EINVAL; 111 return -EINVAL;
112 112
113 return i2c_smbus_write_i2c_block_data(client, reg, len, buf); 113 return i2c_smbus_write_i2c_block_data(client, reg, len, buf);
114} 114}
115 115
116static int 116static int
117rv3029c2_i2c_get_sr(struct i2c_client *client, u8 *buf) 117rv3029_i2c_get_sr(struct i2c_client *client, u8 *buf)
118{ 118{
119 int ret = rv3029c2_i2c_read_regs(client, RV3029C2_STATUS, buf, 1); 119 int ret = rv3029_i2c_read_regs(client, RV3029_STATUS, buf, 1);
120 120
121 if (ret < 0) 121 if (ret < 0)
122 return -EIO; 122 return -EIO;
@@ -125,13 +125,13 @@ rv3029c2_i2c_get_sr(struct i2c_client *client, u8 *buf)
125} 125}
126 126
127static int 127static int
128rv3029c2_i2c_set_sr(struct i2c_client *client, u8 val) 128rv3029_i2c_set_sr(struct i2c_client *client, u8 val)
129{ 129{
130 u8 buf[1]; 130 u8 buf[1];
131 int sr; 131 int sr;
132 132
133 buf[0] = val; 133 buf[0] = val;
134 sr = rv3029c2_i2c_write_regs(client, RV3029C2_STATUS, buf, 1); 134 sr = rv3029_i2c_write_regs(client, RV3029_STATUS, buf, 1);
135 dev_dbg(&client->dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]); 135 dev_dbg(&client->dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]);
136 if (sr < 0) 136 if (sr < 0)
137 return -EIO; 137 return -EIO;
@@ -139,69 +139,70 @@ rv3029c2_i2c_set_sr(struct i2c_client *client, u8 val)
139} 139}
140 140
141static int 141static int
142rv3029c2_i2c_read_time(struct i2c_client *client, struct rtc_time *tm) 142rv3029_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
143{ 143{
144 u8 buf[1]; 144 u8 buf[1];
145 int ret; 145 int ret;
146 u8 regs[RV3029C2_WATCH_SECTION_LEN] = { 0, }; 146 u8 regs[RV3029_WATCH_SECTION_LEN] = { 0, };
147 147
148 ret = rv3029c2_i2c_get_sr(client, buf); 148 ret = rv3029_i2c_get_sr(client, buf);
149 if (ret < 0) { 149 if (ret < 0) {
150 dev_err(&client->dev, "%s: reading SR failed\n", __func__); 150 dev_err(&client->dev, "%s: reading SR failed\n", __func__);
151 return -EIO; 151 return -EIO;
152 } 152 }
153 153
154 ret = rv3029c2_i2c_read_regs(client, RV3029C2_W_SEC , regs, 154 ret = rv3029_i2c_read_regs(client, RV3029_W_SEC, regs,
155 RV3029C2_WATCH_SECTION_LEN); 155 RV3029_WATCH_SECTION_LEN);
156 if (ret < 0) { 156 if (ret < 0) {
157 dev_err(&client->dev, "%s: reading RTC section failed\n", 157 dev_err(&client->dev, "%s: reading RTC section failed\n",
158 __func__); 158 __func__);
159 return ret; 159 return ret;
160 } 160 }
161 161
162 tm->tm_sec = bcd2bin(regs[RV3029C2_W_SEC-RV3029C2_W_SEC]); 162 tm->tm_sec = bcd2bin(regs[RV3029_W_SEC-RV3029_W_SEC]);
163 tm->tm_min = bcd2bin(regs[RV3029C2_W_MINUTES-RV3029C2_W_SEC]); 163 tm->tm_min = bcd2bin(regs[RV3029_W_MINUTES-RV3029_W_SEC]);
164 164
165 /* HR field has a more complex interpretation */ 165 /* HR field has a more complex interpretation */
166 { 166 {
167 const u8 _hr = regs[RV3029C2_W_HOURS-RV3029C2_W_SEC]; 167 const u8 _hr = regs[RV3029_W_HOURS-RV3029_W_SEC];
168 if (_hr & RV3029C2_REG_HR_12_24) { 168
169 if (_hr & RV3029_REG_HR_12_24) {
169 /* 12h format */ 170 /* 12h format */
170 tm->tm_hour = bcd2bin(_hr & 0x1f); 171 tm->tm_hour = bcd2bin(_hr & 0x1f);
171 if (_hr & RV3029C2_REG_HR_PM) /* PM flag set */ 172 if (_hr & RV3029_REG_HR_PM) /* PM flag set */
172 tm->tm_hour += 12; 173 tm->tm_hour += 12;
173 } else /* 24h format */ 174 } else /* 24h format */
174 tm->tm_hour = bcd2bin(_hr & 0x3f); 175 tm->tm_hour = bcd2bin(_hr & 0x3f);
175 } 176 }
176 177
177 tm->tm_mday = bcd2bin(regs[RV3029C2_W_DATE-RV3029C2_W_SEC]); 178 tm->tm_mday = bcd2bin(regs[RV3029_W_DATE-RV3029_W_SEC]);
178 tm->tm_mon = bcd2bin(regs[RV3029C2_W_MONTHS-RV3029C2_W_SEC]) - 1; 179 tm->tm_mon = bcd2bin(regs[RV3029_W_MONTHS-RV3029_W_SEC]) - 1;
179 tm->tm_year = bcd2bin(regs[RV3029C2_W_YEARS-RV3029C2_W_SEC]) + 100; 180 tm->tm_year = bcd2bin(regs[RV3029_W_YEARS-RV3029_W_SEC]) + 100;
180 tm->tm_wday = bcd2bin(regs[RV3029C2_W_DAYS-RV3029C2_W_SEC]) - 1; 181 tm->tm_wday = bcd2bin(regs[RV3029_W_DAYS-RV3029_W_SEC]) - 1;
181 182
182 return 0; 183 return 0;
183} 184}
184 185
185static int rv3029c2_rtc_read_time(struct device *dev, struct rtc_time *tm) 186static int rv3029_rtc_read_time(struct device *dev, struct rtc_time *tm)
186{ 187{
187 return rv3029c2_i2c_read_time(to_i2c_client(dev), tm); 188 return rv3029_i2c_read_time(to_i2c_client(dev), tm);
188} 189}
189 190
190static int 191static int
191rv3029c2_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm) 192rv3029_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm)
192{ 193{
193 struct rtc_time *const tm = &alarm->time; 194 struct rtc_time *const tm = &alarm->time;
194 int ret; 195 int ret;
195 u8 regs[8]; 196 u8 regs[8];
196 197
197 ret = rv3029c2_i2c_get_sr(client, regs); 198 ret = rv3029_i2c_get_sr(client, regs);
198 if (ret < 0) { 199 if (ret < 0) {
199 dev_err(&client->dev, "%s: reading SR failed\n", __func__); 200 dev_err(&client->dev, "%s: reading SR failed\n", __func__);
200 return -EIO; 201 return -EIO;
201 } 202 }
202 203
203 ret = rv3029c2_i2c_read_regs(client, RV3029C2_A_SC, regs, 204 ret = rv3029_i2c_read_regs(client, RV3029_A_SC, regs,
204 RV3029C2_ALARM_SECTION_LEN); 205 RV3029_ALARM_SECTION_LEN);
205 206
206 if (ret < 0) { 207 if (ret < 0) {
207 dev_err(&client->dev, "%s: reading alarm section failed\n", 208 dev_err(&client->dev, "%s: reading alarm section failed\n",
@@ -209,41 +210,41 @@ rv3029c2_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm)
209 return ret; 210 return ret;
210 } 211 }
211 212
212 tm->tm_sec = bcd2bin(regs[RV3029C2_A_SC-RV3029C2_A_SC] & 0x7f); 213 tm->tm_sec = bcd2bin(regs[RV3029_A_SC-RV3029_A_SC] & 0x7f);
213 tm->tm_min = bcd2bin(regs[RV3029C2_A_MN-RV3029C2_A_SC] & 0x7f); 214 tm->tm_min = bcd2bin(regs[RV3029_A_MN-RV3029_A_SC] & 0x7f);
214 tm->tm_hour = bcd2bin(regs[RV3029C2_A_HR-RV3029C2_A_SC] & 0x3f); 215 tm->tm_hour = bcd2bin(regs[RV3029_A_HR-RV3029_A_SC] & 0x3f);
215 tm->tm_mday = bcd2bin(regs[RV3029C2_A_DT-RV3029C2_A_SC] & 0x3f); 216 tm->tm_mday = bcd2bin(regs[RV3029_A_DT-RV3029_A_SC] & 0x3f);
216 tm->tm_mon = bcd2bin(regs[RV3029C2_A_MO-RV3029C2_A_SC] & 0x1f) - 1; 217 tm->tm_mon = bcd2bin(regs[RV3029_A_MO-RV3029_A_SC] & 0x1f) - 1;
217 tm->tm_year = bcd2bin(regs[RV3029C2_A_YR-RV3029C2_A_SC] & 0x7f) + 100; 218 tm->tm_year = bcd2bin(regs[RV3029_A_YR-RV3029_A_SC] & 0x7f) + 100;
218 tm->tm_wday = bcd2bin(regs[RV3029C2_A_DW-RV3029C2_A_SC] & 0x07) - 1; 219 tm->tm_wday = bcd2bin(regs[RV3029_A_DW-RV3029_A_SC] & 0x07) - 1;
219 220
220 return 0; 221 return 0;
221} 222}
222 223
223static int 224static int
224rv3029c2_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) 225rv3029_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
225{ 226{
226 return rv3029c2_i2c_read_alarm(to_i2c_client(dev), alarm); 227 return rv3029_i2c_read_alarm(to_i2c_client(dev), alarm);
227} 228}
228 229
229static int rv3029c2_rtc_i2c_alarm_set_irq(struct i2c_client *client, 230static int rv3029_rtc_i2c_alarm_set_irq(struct i2c_client *client,
230 int enable) 231 int enable)
231{ 232{
232 int ret; 233 int ret;
233 u8 buf[1]; 234 u8 buf[1];
234 235
235 /* enable AIE irq */ 236 /* enable AIE irq */
236 ret = rv3029c2_i2c_read_regs(client, RV3029C2_IRQ_CTRL, buf, 1); 237 ret = rv3029_i2c_read_regs(client, RV3029_IRQ_CTRL, buf, 1);
237 if (ret < 0) { 238 if (ret < 0) {
238 dev_err(&client->dev, "can't read INT reg\n"); 239 dev_err(&client->dev, "can't read INT reg\n");
239 return ret; 240 return ret;
240 } 241 }
241 if (enable) 242 if (enable)
242 buf[0] |= RV3029C2_IRQ_CTRL_AIE; 243 buf[0] |= RV3029_IRQ_CTRL_AIE;
243 else 244 else
244 buf[0] &= ~RV3029C2_IRQ_CTRL_AIE; 245 buf[0] &= ~RV3029_IRQ_CTRL_AIE;
245 246
246 ret = rv3029c2_i2c_write_regs(client, RV3029C2_IRQ_CTRL, buf, 1); 247 ret = rv3029_i2c_write_regs(client, RV3029_IRQ_CTRL, buf, 1);
247 if (ret < 0) { 248 if (ret < 0) {
248 dev_err(&client->dev, "can't set INT reg\n"); 249 dev_err(&client->dev, "can't set INT reg\n");
249 return ret; 250 return ret;
@@ -252,8 +253,8 @@ static int rv3029c2_rtc_i2c_alarm_set_irq(struct i2c_client *client,
252 return 0; 253 return 0;
253} 254}
254 255
255static int rv3029c2_rtc_i2c_set_alarm(struct i2c_client *client, 256static int rv3029_rtc_i2c_set_alarm(struct i2c_client *client,
256 struct rtc_wkalrm *alarm) 257 struct rtc_wkalrm *alarm)
257{ 258{
258 struct rtc_time *const tm = &alarm->time; 259 struct rtc_time *const tm = &alarm->time;
259 int ret; 260 int ret;
@@ -267,21 +268,21 @@ static int rv3029c2_rtc_i2c_set_alarm(struct i2c_client *client,
267 if (tm->tm_year < 100) 268 if (tm->tm_year < 100)
268 return -EINVAL; 269 return -EINVAL;
269 270
270 ret = rv3029c2_i2c_get_sr(client, regs); 271 ret = rv3029_i2c_get_sr(client, regs);
271 if (ret < 0) { 272 if (ret < 0) {
272 dev_err(&client->dev, "%s: reading SR failed\n", __func__); 273 dev_err(&client->dev, "%s: reading SR failed\n", __func__);
273 return -EIO; 274 return -EIO;
274 } 275 }
275 regs[RV3029C2_A_SC-RV3029C2_A_SC] = bin2bcd(tm->tm_sec & 0x7f); 276 regs[RV3029_A_SC-RV3029_A_SC] = bin2bcd(tm->tm_sec & 0x7f);
276 regs[RV3029C2_A_MN-RV3029C2_A_SC] = bin2bcd(tm->tm_min & 0x7f); 277 regs[RV3029_A_MN-RV3029_A_SC] = bin2bcd(tm->tm_min & 0x7f);
277 regs[RV3029C2_A_HR-RV3029C2_A_SC] = bin2bcd(tm->tm_hour & 0x3f); 278 regs[RV3029_A_HR-RV3029_A_SC] = bin2bcd(tm->tm_hour & 0x3f);
278 regs[RV3029C2_A_DT-RV3029C2_A_SC] = bin2bcd(tm->tm_mday & 0x3f); 279 regs[RV3029_A_DT-RV3029_A_SC] = bin2bcd(tm->tm_mday & 0x3f);
279 regs[RV3029C2_A_MO-RV3029C2_A_SC] = bin2bcd((tm->tm_mon & 0x1f) - 1); 280 regs[RV3029_A_MO-RV3029_A_SC] = bin2bcd((tm->tm_mon & 0x1f) - 1);
280 regs[RV3029C2_A_DW-RV3029C2_A_SC] = bin2bcd((tm->tm_wday & 7) - 1); 281 regs[RV3029_A_DW-RV3029_A_SC] = bin2bcd((tm->tm_wday & 7) - 1);
281 regs[RV3029C2_A_YR-RV3029C2_A_SC] = bin2bcd((tm->tm_year & 0x7f) - 100); 282 regs[RV3029_A_YR-RV3029_A_SC] = bin2bcd((tm->tm_year & 0x7f) - 100);
282 283
283 ret = rv3029c2_i2c_write_regs(client, RV3029C2_A_SC, regs, 284 ret = rv3029_i2c_write_regs(client, RV3029_A_SC, regs,
284 RV3029C2_ALARM_SECTION_LEN); 285 RV3029_ALARM_SECTION_LEN);
285 if (ret < 0) 286 if (ret < 0)
286 return ret; 287 return ret;
287 288
@@ -289,28 +290,28 @@ static int rv3029c2_rtc_i2c_set_alarm(struct i2c_client *client,
289 u8 buf[1]; 290 u8 buf[1];
290 291
291 /* clear AF flag */ 292 /* clear AF flag */
292 ret = rv3029c2_i2c_read_regs(client, RV3029C2_IRQ_FLAGS, 293 ret = rv3029_i2c_read_regs(client, RV3029_IRQ_FLAGS,
293 buf, 1); 294 buf, 1);
294 if (ret < 0) { 295 if (ret < 0) {
295 dev_err(&client->dev, "can't read alarm flag\n"); 296 dev_err(&client->dev, "can't read alarm flag\n");
296 return ret; 297 return ret;
297 } 298 }
298 buf[0] &= ~RV3029C2_IRQ_FLAGS_AF; 299 buf[0] &= ~RV3029_IRQ_FLAGS_AF;
299 ret = rv3029c2_i2c_write_regs(client, RV3029C2_IRQ_FLAGS, 300 ret = rv3029_i2c_write_regs(client, RV3029_IRQ_FLAGS,
300 buf, 1); 301 buf, 1);
301 if (ret < 0) { 302 if (ret < 0) {
302 dev_err(&client->dev, "can't set alarm flag\n"); 303 dev_err(&client->dev, "can't set alarm flag\n");
303 return ret; 304 return ret;
304 } 305 }
305 /* enable AIE irq */ 306 /* enable AIE irq */
306 ret = rv3029c2_rtc_i2c_alarm_set_irq(client, 1); 307 ret = rv3029_rtc_i2c_alarm_set_irq(client, 1);
307 if (ret) 308 if (ret)
308 return ret; 309 return ret;
309 310
310 dev_dbg(&client->dev, "alarm IRQ armed\n"); 311 dev_dbg(&client->dev, "alarm IRQ armed\n");
311 } else { 312 } else {
312 /* disable AIE irq */ 313 /* disable AIE irq */
313 ret = rv3029c2_rtc_i2c_alarm_set_irq(client, 0); 314 ret = rv3029_rtc_i2c_alarm_set_irq(client, 0);
314 if (ret) 315 if (ret)
315 return ret; 316 return ret;
316 317
@@ -320,13 +321,13 @@ static int rv3029c2_rtc_i2c_set_alarm(struct i2c_client *client,
320 return 0; 321 return 0;
321} 322}
322 323
323static int rv3029c2_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) 324static int rv3029_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
324{ 325{
325 return rv3029c2_rtc_i2c_set_alarm(to_i2c_client(dev), alarm); 326 return rv3029_rtc_i2c_set_alarm(to_i2c_client(dev), alarm);
326} 327}
327 328
328static int 329static int
329rv3029c2_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm) 330rv3029_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
330{ 331{
331 u8 regs[8]; 332 u8 regs[8];
332 int ret; 333 int ret;
@@ -339,26 +340,26 @@ rv3029c2_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
339 if (tm->tm_year < 100) 340 if (tm->tm_year < 100)
340 return -EINVAL; 341 return -EINVAL;
341 342
342 regs[RV3029C2_W_SEC-RV3029C2_W_SEC] = bin2bcd(tm->tm_sec); 343 regs[RV3029_W_SEC-RV3029_W_SEC] = bin2bcd(tm->tm_sec);
343 regs[RV3029C2_W_MINUTES-RV3029C2_W_SEC] = bin2bcd(tm->tm_min); 344 regs[RV3029_W_MINUTES-RV3029_W_SEC] = bin2bcd(tm->tm_min);
344 regs[RV3029C2_W_HOURS-RV3029C2_W_SEC] = bin2bcd(tm->tm_hour); 345 regs[RV3029_W_HOURS-RV3029_W_SEC] = bin2bcd(tm->tm_hour);
345 regs[RV3029C2_W_DATE-RV3029C2_W_SEC] = bin2bcd(tm->tm_mday); 346 regs[RV3029_W_DATE-RV3029_W_SEC] = bin2bcd(tm->tm_mday);
346 regs[RV3029C2_W_MONTHS-RV3029C2_W_SEC] = bin2bcd(tm->tm_mon+1); 347 regs[RV3029_W_MONTHS-RV3029_W_SEC] = bin2bcd(tm->tm_mon+1);
347 regs[RV3029C2_W_DAYS-RV3029C2_W_SEC] = bin2bcd((tm->tm_wday & 7)+1); 348 regs[RV3029_W_DAYS-RV3029_W_SEC] = bin2bcd((tm->tm_wday & 7)+1);
348 regs[RV3029C2_W_YEARS-RV3029C2_W_SEC] = bin2bcd(tm->tm_year - 100); 349 regs[RV3029_W_YEARS-RV3029_W_SEC] = bin2bcd(tm->tm_year - 100);
349 350
350 ret = rv3029c2_i2c_write_regs(client, RV3029C2_W_SEC, regs, 351 ret = rv3029_i2c_write_regs(client, RV3029_W_SEC, regs,
351 RV3029C2_WATCH_SECTION_LEN); 352 RV3029_WATCH_SECTION_LEN);
352 if (ret < 0) 353 if (ret < 0)
353 return ret; 354 return ret;
354 355
355 ret = rv3029c2_i2c_get_sr(client, regs); 356 ret = rv3029_i2c_get_sr(client, regs);
356 if (ret < 0) { 357 if (ret < 0) {
357 dev_err(&client->dev, "%s: reading SR failed\n", __func__); 358 dev_err(&client->dev, "%s: reading SR failed\n", __func__);
358 return ret; 359 return ret;
359 } 360 }
360 /* clear PON bit */ 361 /* clear PON bit */
361 ret = rv3029c2_i2c_set_sr(client, (regs[0] & ~RV3029C2_STATUS_PON)); 362 ret = rv3029_i2c_set_sr(client, (regs[0] & ~RV3029_STATUS_PON));
362 if (ret < 0) { 363 if (ret < 0) {
363 dev_err(&client->dev, "%s: reading SR failed\n", __func__); 364 dev_err(&client->dev, "%s: reading SR failed\n", __func__);
364 return ret; 365 return ret;
@@ -367,26 +368,26 @@ rv3029c2_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
367 return 0; 368 return 0;
368} 369}
369 370
370static int rv3029c2_rtc_set_time(struct device *dev, struct rtc_time *tm) 371static int rv3029_rtc_set_time(struct device *dev, struct rtc_time *tm)
371{ 372{
372 return rv3029c2_i2c_set_time(to_i2c_client(dev), tm); 373 return rv3029_i2c_set_time(to_i2c_client(dev), tm);
373} 374}
374 375
375static const struct rtc_class_ops rv3029c2_rtc_ops = { 376static const struct rtc_class_ops rv3029_rtc_ops = {
376 .read_time = rv3029c2_rtc_read_time, 377 .read_time = rv3029_rtc_read_time,
377 .set_time = rv3029c2_rtc_set_time, 378 .set_time = rv3029_rtc_set_time,
378 .read_alarm = rv3029c2_rtc_read_alarm, 379 .read_alarm = rv3029_rtc_read_alarm,
379 .set_alarm = rv3029c2_rtc_set_alarm, 380 .set_alarm = rv3029_rtc_set_alarm,
380}; 381};
381 382
382static struct i2c_device_id rv3029c2_id[] = { 383static struct i2c_device_id rv3029_id[] = {
383 { "rv3029c2", 0 }, 384 { "rv3029c2", 0 },
384 { } 385 { }
385}; 386};
386MODULE_DEVICE_TABLE(i2c, rv3029c2_id); 387MODULE_DEVICE_TABLE(i2c, rv3029_id);
387 388
388static int rv3029c2_probe(struct i2c_client *client, 389static int rv3029_probe(struct i2c_client *client,
389 const struct i2c_device_id *id) 390 const struct i2c_device_id *id)
390{ 391{
391 struct rtc_device *rtc; 392 struct rtc_device *rtc;
392 int rc = 0; 393 int rc = 0;
@@ -395,14 +396,14 @@ static int rv3029c2_probe(struct i2c_client *client,
395 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_EMUL)) 396 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_EMUL))
396 return -ENODEV; 397 return -ENODEV;
397 398
398 rc = rv3029c2_i2c_get_sr(client, buf); 399 rc = rv3029_i2c_get_sr(client, buf);
399 if (rc < 0) { 400 if (rc < 0) {
400 dev_err(&client->dev, "reading status failed\n"); 401 dev_err(&client->dev, "reading status failed\n");
401 return rc; 402 return rc;
402 } 403 }
403 404
404 rtc = devm_rtc_device_register(&client->dev, client->name, 405 rtc = devm_rtc_device_register(&client->dev, client->name,
405 &rv3029c2_rtc_ops, THIS_MODULE); 406 &rv3029_rtc_ops, THIS_MODULE);
406 407
407 if (IS_ERR(rtc)) 408 if (IS_ERR(rtc))
408 return PTR_ERR(rtc); 409 return PTR_ERR(rtc);
@@ -412,16 +413,16 @@ static int rv3029c2_probe(struct i2c_client *client,
412 return 0; 413 return 0;
413} 414}
414 415
415static struct i2c_driver rv3029c2_driver = { 416static struct i2c_driver rv3029_driver = {
416 .driver = { 417 .driver = {
417 .name = "rtc-rv3029c2", 418 .name = "rtc-rv3029c2",
418 }, 419 },
419 .probe = rv3029c2_probe, 420 .probe = rv3029_probe,
420 .id_table = rv3029c2_id, 421 .id_table = rv3029_id,
421}; 422};
422 423
423module_i2c_driver(rv3029c2_driver); 424module_i2c_driver(rv3029_driver);
424 425
425MODULE_AUTHOR("Gregory Hermant <gregory.hermant@calao-systems.com>"); 426MODULE_AUTHOR("Gregory Hermant <gregory.hermant@calao-systems.com>");
426MODULE_DESCRIPTION("Micro Crystal RV3029C2 RTC driver"); 427MODULE_DESCRIPTION("Micro Crystal RV3029 RTC driver");
427MODULE_LICENSE("GPL"); 428MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-14 00:21:38 -0400