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path: root/drivers/media/video/usbvision/usbvision-i2c.c
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Diffstat (limited to 'drivers/media/video/usbvision/usbvision-i2c.c')
-rw-r--r--drivers/media/video/usbvision/usbvision-i2c.c153
1 files changed, 46 insertions, 107 deletions
diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c
index 6b66ae4f430f..dd2f8f27c73b 100644
--- a/drivers/media/video/usbvision/usbvision-i2c.c
+++ b/drivers/media/video/usbvision/usbvision-i2c.c
@@ -119,7 +119,8 @@ static inline int usb_find_address(struct i2c_adapter *i2c_adap,
119 /* try extended address code... */ 119 /* try extended address code... */
120 ret = try_write_address(i2c_adap, addr, retries); 120 ret = try_write_address(i2c_adap, addr, retries);
121 if (ret != 1) { 121 if (ret != 1) {
122 err("died at extended address code, while writing"); 122 dev_err(&i2c_adap->dev,
123 "died at extended address code, while writing\n");
123 return -EREMOTEIO; 124 return -EREMOTEIO;
124 } 125 }
125 add[0] = addr; 126 add[0] = addr;
@@ -128,7 +129,8 @@ static inline int usb_find_address(struct i2c_adapter *i2c_adap,
128 addr |= 0x01; 129 addr |= 0x01;
129 ret = try_read_address(i2c_adap, addr, retries); 130 ret = try_read_address(i2c_adap, addr, retries);
130 if (ret != 1) { 131 if (ret != 1) {
131 err("died at extended address code, while reading"); 132 dev_err(&i2c_adap->dev,
133 "died at extended address code, while reading\n");
132 return -EREMOTEIO; 134 return -EREMOTEIO;
133 } 135 }
134 } 136 }
@@ -200,72 +202,78 @@ static struct i2c_algorithm usbvision_algo = {
200}; 202};
201 203
202 204
203/*
204 * registering functions to load algorithms at runtime
205 */
206static int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap)
207{
208 PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
209 PDEBUG(DBG_I2C, "ALGO debugging is enabled [i2c]");
210
211 /* register new adapter to i2c module... */
212
213 adap->algo = &usbvision_algo;
214
215 adap->timeout = 100; /* default values, should */
216 adap->retries = 3; /* be replaced by defines */
217
218 i2c_add_adapter(adap);
219
220 PDEBUG(DBG_I2C,"i2c bus for %s registered", adap->name);
221
222 return 0;
223}
224
225/* ----------------------------------------------------------------------- */ 205/* ----------------------------------------------------------------------- */
226/* usbvision specific I2C functions */ 206/* usbvision specific I2C functions */
227/* ----------------------------------------------------------------------- */ 207/* ----------------------------------------------------------------------- */
228static struct i2c_adapter i2c_adap_template; 208static struct i2c_adapter i2c_adap_template;
229static struct i2c_client i2c_client_template;
230 209
231int usbvision_i2c_register(struct usb_usbvision *usbvision) 210int usbvision_i2c_register(struct usb_usbvision *usbvision)
232{ 211{
212 static unsigned short saa711x_addrs[] = {
213 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */
214 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */
215 I2C_CLIENT_END };
216
233 memcpy(&usbvision->i2c_adap, &i2c_adap_template, 217 memcpy(&usbvision->i2c_adap, &i2c_adap_template,
234 sizeof(struct i2c_adapter)); 218 sizeof(struct i2c_adapter));
235 memcpy(&usbvision->i2c_client, &i2c_client_template,
236 sizeof(struct i2c_client));
237 219
238 sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name), 220 sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name),
239 " #%d", usbvision->vdev->num); 221 " #%d", usbvision->vdev->num);
240 PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name); 222 PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name);
241 usbvision->i2c_adap.dev.parent = &usbvision->dev->dev; 223 usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
242 224
243 i2c_set_adapdata(&usbvision->i2c_adap, usbvision); 225 i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);
244 i2c_set_clientdata(&usbvision->i2c_client, usbvision);
245
246 usbvision->i2c_client.adapter = &usbvision->i2c_adap;
247 226
248 if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) { 227 if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
249 printk(KERN_ERR "usbvision_register: can't write reg\n"); 228 printk(KERN_ERR "usbvision_register: can't write reg\n");
250 return -EBUSY; 229 return -EBUSY;
251 } 230 }
252 231
253#ifdef CONFIG_MODULES 232 PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
233 PDEBUG(DBG_I2C, "ALGO debugging is enabled [i2c]");
234
235 /* register new adapter to i2c module... */
236
237 usbvision->i2c_adap.algo = &usbvision_algo;
238
239 usbvision->i2c_adap.timeout = 100; /* default values, should */
240 usbvision->i2c_adap.retries = 3; /* be replaced by defines */
241
242 i2c_add_adapter(&usbvision->i2c_adap);
243
244 PDEBUG(DBG_I2C, "i2c bus for %s registered", usbvision->i2c_adap.name);
245
254 /* Request the load of the i2c modules we need */ 246 /* Request the load of the i2c modules we need */
255 switch (usbvision_device_data[usbvision->DevModel].Codec) { 247 switch (usbvision_device_data[usbvision->DevModel].Codec) {
256 case CODEC_SAA7113: 248 case CODEC_SAA7113:
257 request_module("saa7115");
258 break;
259 case CODEC_SAA7111: 249 case CODEC_SAA7111:
260 request_module("saa7115"); 250 v4l2_i2c_new_probed_subdev(&usbvision->i2c_adap, "saa7115",
251 "saa7115_auto", saa711x_addrs);
261 break; 252 break;
262 } 253 }
263 if (usbvision_device_data[usbvision->DevModel].Tuner == 1) { 254 if (usbvision_device_data[usbvision->DevModel].Tuner == 1) {
264 request_module("tuner"); 255 struct v4l2_subdev *sd;
256 enum v4l2_i2c_tuner_type type;
257 struct tuner_setup tun_setup;
258
259 sd = v4l2_i2c_new_probed_subdev(&usbvision->i2c_adap, "tuner",
260 "tuner", v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
261 /* depending on whether we found a demod or not, select
262 the tuner type. */
263 type = sd ? ADDRS_TV_WITH_DEMOD : ADDRS_TV;
264
265 sd = v4l2_i2c_new_probed_subdev(&usbvision->i2c_adap, "tuner",
266 "tuner", v4l2_i2c_tuner_addrs(type));
267
268 if (usbvision->tuner_type != -1) {
269 tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
270 tun_setup.type = usbvision->tuner_type;
271 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
272 call_all(usbvision, tuner, s_type_addr, &tun_setup);
273 }
265 } 274 }
266#endif
267 275
268 return usbvision_i2c_usb_add_bus(&usbvision->i2c_adap); 276 return 0;
269} 277}
270 278
271int usbvision_i2c_unregister(struct usb_usbvision *usbvision) 279int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
@@ -278,67 +286,6 @@ int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
278 return 0; 286 return 0;
279} 287}
280 288
281void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,
282 void *arg)
283{
284 i2c_clients_command(&usbvision->i2c_adap, cmd, arg);
285}
286
287static int attach_inform(struct i2c_client *client)
288{
289 struct usb_usbvision *usbvision;
290
291 usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
292
293 switch (client->addr << 1) {
294 case 0x42 << 1:
295 case 0x43 << 1:
296 case 0x4a << 1:
297 case 0x4b << 1:
298 PDEBUG(DBG_I2C,"attach_inform: tda9887 detected.");
299 break;
300 case 0x42:
301 PDEBUG(DBG_I2C,"attach_inform: saa7114 detected.");
302 break;
303 case 0x4a:
304 PDEBUG(DBG_I2C,"attach_inform: saa7113 detected.");
305 break;
306 case 0x48:
307 PDEBUG(DBG_I2C,"attach_inform: saa7111 detected.");
308 break;
309 case 0xa0:
310 PDEBUG(DBG_I2C,"attach_inform: eeprom detected.");
311 break;
312
313 default:
314 {
315 struct tuner_setup tun_setup;
316
317 PDEBUG(DBG_I2C,"attach inform: detected I2C address %x", client->addr << 1);
318 usbvision->tuner_addr = client->addr;
319
320 if ((usbvision->have_tuner) && (usbvision->tuner_type != -1)) {
321 tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
322 tun_setup.type = usbvision->tuner_type;
323 tun_setup.addr = usbvision->tuner_addr;
324 call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup);
325 }
326 }
327 break;
328 }
329 return 0;
330}
331
332static int detach_inform(struct i2c_client *client)
333{
334 struct usb_usbvision *usbvision;
335
336 usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
337
338 PDEBUG(DBG_I2C,"usbvision[%d] detaches %s", usbvision->nr, client->name);
339 return 0;
340}
341
342static int 289static int
343usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr, 290usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr,
344 char *buf, short len) 291 char *buf, short len)
@@ -511,14 +458,6 @@ static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char add
511static struct i2c_adapter i2c_adap_template = { 458static struct i2c_adapter i2c_adap_template = {
512 .owner = THIS_MODULE, 459 .owner = THIS_MODULE,
513 .name = "usbvision", 460 .name = "usbvision",
514 .id = I2C_HW_B_BT848, /* FIXME */
515 .client_register = attach_inform,
516 .client_unregister = detach_inform,
517 .class = I2C_CLASS_TV_ANALOG,
518};
519
520static struct i2c_client i2c_client_template = {
521 .name = "usbvision internal",
522}; 461};
523 462
524/* 463/*