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path: root/drivers/i2c/chips/isp1301_omap.c
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Diffstat (limited to 'drivers/i2c/chips/isp1301_omap.c')
-rw-r--r--drivers/i2c/chips/isp1301_omap.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
index 4655b794ebe3..8444fc6fbf61 100644
--- a/drivers/i2c/chips/isp1301_omap.c
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -49,7 +49,8 @@ MODULE_LICENSE("GPL");
49 49
50struct isp1301 { 50struct isp1301 {
51 struct otg_transceiver otg; 51 struct otg_transceiver otg;
52 struct i2c_client client; 52 struct i2c_client *client;
53 struct i2c_client c;
53 void (*i2c_release)(struct device *dev); 54 void (*i2c_release)(struct device *dev);
54 55
55 int irq; 56 int irq;
@@ -153,25 +154,25 @@ static struct i2c_driver isp1301_driver;
153static inline u8 154static inline u8
154isp1301_get_u8(struct isp1301 *isp, u8 reg) 155isp1301_get_u8(struct isp1301 *isp, u8 reg)
155{ 156{
156 return i2c_smbus_read_byte_data(&isp->client, reg + 0); 157 return i2c_smbus_read_byte_data(isp->client, reg + 0);
157} 158}
158 159
159static inline int 160static inline int
160isp1301_get_u16(struct isp1301 *isp, u8 reg) 161isp1301_get_u16(struct isp1301 *isp, u8 reg)
161{ 162{
162 return i2c_smbus_read_word_data(&isp->client, reg); 163 return i2c_smbus_read_word_data(isp->client, reg);
163} 164}
164 165
165static inline int 166static inline int
166isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits) 167isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits)
167{ 168{
168 return i2c_smbus_write_byte_data(&isp->client, reg + 0, bits); 169 return i2c_smbus_write_byte_data(isp->client, reg + 0, bits);
169} 170}
170 171
171static inline int 172static inline int
172isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits) 173isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits)
173{ 174{
174 return i2c_smbus_write_byte_data(&isp->client, reg + 1, bits); 175 return i2c_smbus_write_byte_data(isp->client, reg + 1, bits);
175} 176}
176 177
177/*-------------------------------------------------------------------------*/ 178/*-------------------------------------------------------------------------*/
@@ -349,10 +350,10 @@ isp1301_defer_work(struct isp1301 *isp, int work)
349 int status; 350 int status;
350 351
351 if (isp && !test_and_set_bit(work, &isp->todo)) { 352 if (isp && !test_and_set_bit(work, &isp->todo)) {
352 (void) get_device(&isp->client.dev); 353 (void) get_device(&isp->client->dev);
353 status = schedule_work(&isp->work); 354 status = schedule_work(&isp->work);
354 if (!status && !isp->working) 355 if (!status && !isp->working)
355 dev_vdbg(&isp->client.dev, 356 dev_vdbg(&isp->client->dev,
356 "work item %d may be lost\n", work); 357 "work item %d may be lost\n", work);
357 } 358 }
358} 359}
@@ -1135,7 +1136,7 @@ isp1301_work(struct work_struct *work)
1135 /* transfer state from otg engine to isp1301 */ 1136 /* transfer state from otg engine to isp1301 */
1136 if (test_and_clear_bit(WORK_UPDATE_ISP, &isp->todo)) { 1137 if (test_and_clear_bit(WORK_UPDATE_ISP, &isp->todo)) {
1137 otg_update_isp(isp); 1138 otg_update_isp(isp);
1138 put_device(&isp->client.dev); 1139 put_device(&isp->client->dev);
1139 } 1140 }
1140#endif 1141#endif
1141 /* transfer state from isp1301 to otg engine */ 1142 /* transfer state from isp1301 to otg engine */
@@ -1143,7 +1144,7 @@ isp1301_work(struct work_struct *work)
1143 u8 stat = isp1301_clear_latch(isp); 1144 u8 stat = isp1301_clear_latch(isp);
1144 1145
1145 isp_update_otg(isp, stat); 1146 isp_update_otg(isp, stat);
1146 put_device(&isp->client.dev); 1147 put_device(&isp->client->dev);
1147 } 1148 }
1148 1149
1149 if (test_and_clear_bit(WORK_HOST_RESUME, &isp->todo)) { 1150 if (test_and_clear_bit(WORK_HOST_RESUME, &isp->todo)) {
@@ -1178,7 +1179,7 @@ isp1301_work(struct work_struct *work)
1178 } 1179 }
1179 host_resume(isp); 1180 host_resume(isp);
1180 // mdelay(10); 1181 // mdelay(10);
1181 put_device(&isp->client.dev); 1182 put_device(&isp->client->dev);
1182 } 1183 }
1183 1184
1184 if (test_and_clear_bit(WORK_TIMER, &isp->todo)) { 1185 if (test_and_clear_bit(WORK_TIMER, &isp->todo)) {
@@ -1187,15 +1188,15 @@ isp1301_work(struct work_struct *work)
1187 if (!stop) 1188 if (!stop)
1188 mod_timer(&isp->timer, jiffies + TIMER_JIFFIES); 1189 mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);
1189#endif 1190#endif
1190 put_device(&isp->client.dev); 1191 put_device(&isp->client->dev);
1191 } 1192 }
1192 1193
1193 if (isp->todo) 1194 if (isp->todo)
1194 dev_vdbg(&isp->client.dev, 1195 dev_vdbg(&isp->client->dev,
1195 "work done, todo = 0x%lx\n", 1196 "work done, todo = 0x%lx\n",
1196 isp->todo); 1197 isp->todo);
1197 if (stop) { 1198 if (stop) {
1198 dev_dbg(&isp->client.dev, "stop\n"); 1199 dev_dbg(&isp->client->dev, "stop\n");
1199 break; 1200 break;
1200 } 1201 }
1201 } while (isp->todo); 1202 } while (isp->todo);
@@ -1219,7 +1220,7 @@ static void isp1301_release(struct device *dev)
1219{ 1220{
1220 struct isp1301 *isp; 1221 struct isp1301 *isp;
1221 1222
1222 isp = container_of(dev, struct isp1301, client.dev); 1223 isp = dev_get_drvdata(dev);
1223 1224
1224 /* ugly -- i2c hijacks our memory hook to wait_for_completion() */ 1225 /* ugly -- i2c hijacks our memory hook to wait_for_completion() */
1225 if (isp->i2c_release) 1226 if (isp->i2c_release)
@@ -1233,7 +1234,7 @@ static int isp1301_detach_client(struct i2c_client *i2c)
1233{ 1234{
1234 struct isp1301 *isp; 1235 struct isp1301 *isp;
1235 1236
1236 isp = container_of(i2c, struct isp1301, client); 1237 isp = i2c_get_clientdata(i2c);
1237 1238
1238 isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0); 1239 isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0);
1239 isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0); 1240 isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0);
@@ -1285,7 +1286,7 @@ static int isp1301_otg_enable(struct isp1301 *isp)
1285 isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, 1286 isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
1286 INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND); 1287 INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
1287 1288
1288 dev_info(&isp->client.dev, "ready for dual-role USB ...\n"); 1289 dev_info(&isp->client->dev, "ready for dual-role USB ...\n");
1289 1290
1290 return 0; 1291 return 0;
1291} 1292}
@@ -1310,7 +1311,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host)
1310 1311
1311#ifdef CONFIG_USB_OTG 1312#ifdef CONFIG_USB_OTG
1312 isp->otg.host = host; 1313 isp->otg.host = host;
1313 dev_dbg(&isp->client.dev, "registered host\n"); 1314 dev_dbg(&isp->client->dev, "registered host\n");
1314 host_suspend(isp); 1315 host_suspend(isp);
1315 if (isp->otg.gadget) 1316 if (isp->otg.gadget)
1316 return isp1301_otg_enable(isp); 1317 return isp1301_otg_enable(isp);
@@ -1325,7 +1326,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host)
1325 if (machine_is_omap_h2()) 1326 if (machine_is_omap_h2())
1326 isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0); 1327 isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
1327 1328
1328 dev_info(&isp->client.dev, "A-Host sessions ok\n"); 1329 dev_info(&isp->client->dev, "A-Host sessions ok\n");
1329 isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING, 1330 isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
1330 INTR_ID_GND); 1331 INTR_ID_GND);
1331 isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, 1332 isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
@@ -1343,7 +1344,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host)
1343 return 0; 1344 return 0;
1344 1345
1345#else 1346#else
1346 dev_dbg(&isp->client.dev, "host sessions not allowed\n"); 1347 dev_dbg(&isp->client->dev, "host sessions not allowed\n");
1347 return -EINVAL; 1348 return -EINVAL;
1348#endif 1349#endif
1349 1350
@@ -1370,7 +1371,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
1370 1371
1371#ifdef CONFIG_USB_OTG 1372#ifdef CONFIG_USB_OTG
1372 isp->otg.gadget = gadget; 1373 isp->otg.gadget = gadget;
1373 dev_dbg(&isp->client.dev, "registered gadget\n"); 1374 dev_dbg(&isp->client->dev, "registered gadget\n");
1374 /* gadget driver may be suspended until vbus_connect () */ 1375 /* gadget driver may be suspended until vbus_connect () */
1375 if (isp->otg.host) 1376 if (isp->otg.host)
1376 return isp1301_otg_enable(isp); 1377 return isp1301_otg_enable(isp);
@@ -1395,7 +1396,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
1395 INTR_SESS_VLD); 1396 INTR_SESS_VLD);
1396 isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, 1397 isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
1397 INTR_VBUS_VLD); 1398 INTR_VBUS_VLD);
1398 dev_info(&isp->client.dev, "B-Peripheral sessions ok\n"); 1399 dev_info(&isp->client->dev, "B-Peripheral sessions ok\n");
1399 dump_regs(isp, __func__); 1400 dump_regs(isp, __func__);
1400 1401
1401 /* If this has a Mini-AB connector, this mode is highly 1402 /* If this has a Mini-AB connector, this mode is highly
@@ -1408,7 +1409,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
1408 return 0; 1409 return 0;
1409 1410
1410#else 1411#else
1411 dev_dbg(&isp->client.dev, "peripheral sessions not allowed\n"); 1412 dev_dbg(&isp->client->dev, "peripheral sessions not allowed\n");
1412 return -EINVAL; 1413 return -EINVAL;
1413#endif 1414#endif
1414} 1415}
@@ -1528,12 +1529,12 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind)
1528 isp->timer.data = (unsigned long) isp; 1529 isp->timer.data = (unsigned long) isp;
1529 1530
1530 isp->irq = -1; 1531 isp->irq = -1;
1531 isp->client.addr = address; 1532 isp->c.addr = address;
1532 i2c_set_clientdata(&isp->client, isp); 1533 i2c_set_clientdata(&isp->c, isp);
1533 isp->client.adapter = bus; 1534 isp->c.adapter = bus;
1534 isp->client.driver = &isp1301_driver; 1535 isp->c.driver = &isp1301_driver;
1535 strlcpy(isp->client.name, DRIVER_NAME, I2C_NAME_SIZE); 1536 strlcpy(isp->c.name, DRIVER_NAME, I2C_NAME_SIZE);
1536 i2c = &isp->client; 1537 isp->client = i2c = &isp->c;
1537 1538
1538 /* if this is a true probe, verify the chip ... */ 1539 /* if this is a true probe, verify the chip ... */
1539 if (kind < 0) { 1540 if (kind < 0) {
@@ -1618,7 +1619,7 @@ fail2:
1618 goto fail1; 1619 goto fail1;
1619 } 1620 }
1620 1621
1621 isp->otg.dev = &isp->client.dev; 1622 isp->otg.dev = &isp->client->dev;
1622 isp->otg.label = DRIVER_NAME; 1623 isp->otg.label = DRIVER_NAME;
1623 1624
1624 isp->otg.set_host = isp1301_set_host, 1625 isp->otg.set_host = isp1301_set_host,