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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-09-14 15:37:13 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-17 23:40:24 -0400
commit427f7facb374b8651ff01b7700e690ef8ccae159 (patch)
treea4b33e37d583c49da5e34a67cc5f9df755022a6f /drivers/staging/tm6000/tm6000-i2c.c
parent77d966a25aa3732d79e740088ff0401ebf26b3c9 (diff)
V4L/DVB (12852): tm6000: Fix compilation against 2.6.31
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/tm6000/tm6000-i2c.c')
-rw-r--r--drivers/staging/tm6000/tm6000-i2c.c121
1 files changed, 2 insertions, 119 deletions
diff --git a/drivers/staging/tm6000/tm6000-i2c.c b/drivers/staging/tm6000/tm6000-i2c.c
index 0df4820481c..e9ad5161756 100644
--- a/drivers/staging/tm6000/tm6000-i2c.c
+++ b/drivers/staging/tm6000/tm6000-i2c.c
@@ -36,10 +36,6 @@
36#define I2C_HW_B_TM6000 I2C_HW_B_EM28XX 36#define I2C_HW_B_TM6000 I2C_HW_B_EM28XX
37/* ----------------------------------------------------------- */ 37/* ----------------------------------------------------------- */
38 38
39static unsigned int i2c_scan = 0;
40module_param(i2c_scan, int, 0444);
41MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
42
43static unsigned int i2c_debug = 0; 39static unsigned int i2c_debug = 0;
44module_param(i2c_debug, int, 0644); 40module_param(i2c_debug, int, 0644);
45MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); 41MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
@@ -48,47 +44,6 @@ MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
48 printk(KERN_DEBUG "%s at %s: " fmt, \ 44 printk(KERN_DEBUG "%s at %s: " fmt, \
49 dev->name, __FUNCTION__ , ##args); } while (0) 45 dev->name, __FUNCTION__ , ##args); } while (0)
50 46
51
52/* Returns 0 if address is found */
53static int tm6000_i2c_scan(struct i2c_adapter *i2c_adap, int addr)
54{
55 struct tm6000_core *dev = i2c_adap->algo_data;
56
57#if 1
58 /* HACK: i2c scan is not working yet */
59 if (
60 (dev->caps.has_tuner && (addr==dev->tuner_addr)) ||
61 (dev->caps.has_tda9874 && (addr==0xb0)) ||
62 (dev->caps.has_eeprom && (addr==0xa0))
63 ) {
64 printk("Hack: enabling device at addr 0x%02x\n",addr);
65 return (1);
66 } else {
67 return -ENODEV;
68 }
69#else
70 int rc=-ENODEV;
71 char buf[1];
72
73 /* This sends addr + 1 byte with 0 */
74 rc = tm6000_read_write_usb (dev,
75 USB_DIR_IN | USB_TYPE_VENDOR,
76 REQ_16_SET_GET_I2C_WR1_RDN,
77 addr, 0,
78 buf, 0);
79 msleep(10);
80
81 if (rc<0) {
82 if (i2c_debug>=2)
83 printk("no device at addr 0x%02x\n",addr);
84 }
85
86 printk("Hack: check on addr 0x%02x returned %d\n",addr,rc);
87
88 return rc;
89#endif
90}
91
92static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap, 47static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
93 struct i2c_msg msgs[], int num) 48 struct i2c_msg msgs[], int num)
94{ 49{
@@ -102,10 +57,7 @@ static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
102 i2c_dprintk(2,"%s %s addr=0x%x len=%d:", 57 i2c_dprintk(2,"%s %s addr=0x%x len=%d:",
103 (msgs[i].flags & I2C_M_RD) ? "read" : "write", 58 (msgs[i].flags & I2C_M_RD) ? "read" : "write",
104 i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len); 59 i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len);
105 if (!msgs[i].len) { 60 if (msgs[i].flags & I2C_M_RD) {
106 /* Do I2C scan */
107 rc = tm6000_i2c_scan(i2c_adap, addr);
108 } else if (msgs[i].flags & I2C_M_RD) {
109 /* read request without preceding register selection */ 61 /* read request without preceding register selection */
110 /* 62 /*
111 * The TM6000 only supports a read transaction 63 * The TM6000 only supports a read transaction
@@ -306,36 +258,6 @@ static int tm6000_tuner_callback(void *ptr, int command, int arg)
306 return (rc); 258 return (rc);
307} 259}
308 260
309static int attach_inform(struct i2c_client *client)
310{
311 struct tm6000_core *dev = client->adapter->algo_data;
312 struct tuner_setup tun_setup;
313
314 i2c_dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n",
315 client->driver->driver.name, client->addr, client->name);
316
317 switch (client->addr<<1) {
318 case 0xb0:
319 request_module("tvaudio");
320 return 0;
321 }
322
323 /* If tuner, initialize the tuner part */
324 if ( dev->tuner_addr != client->addr<<1 ) {
325 return 0;
326 }
327
328 memset (&tun_setup, 0, sizeof(tun_setup));
329
330 tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
331 tun_setup.type = dev->tuner_type;
332 tun_setup.addr = dev->tuner_addr>>1;
333 tun_setup.tuner_callback = tm6000_tuner_callback;
334
335 client->driver->command (client,TUNER_SET_TYPE_ADDR, &tun_setup);
336
337 return 0;
338}
339 261
340static struct i2c_algorithm tm6000_algo = { 262static struct i2c_algorithm tm6000_algo = {
341 .master_xfer = tm6000_i2c_xfer, 263 .master_xfer = tm6000_i2c_xfer,
@@ -353,7 +275,6 @@ static struct i2c_adapter tm6000_adap_template = {
353 .name = "tm6000", 275 .name = "tm6000",
354 .id = I2C_HW_B_TM6000, 276 .id = I2C_HW_B_TM6000,
355 .algo = &tm6000_algo, 277 .algo = &tm6000_algo,
356 .client_register = attach_inform,
357}; 278};
358 279
359static struct i2c_client tm6000_client_template = { 280static struct i2c_client tm6000_client_template = {
@@ -363,43 +284,6 @@ static struct i2c_client tm6000_client_template = {
363/* ----------------------------------------------------------- */ 284/* ----------------------------------------------------------- */
364 285
365/* 286/*
366 * i2c_devs
367 * incomplete list of known devices
368 */
369static char *i2c_devs[128] = {
370 [0xc2 >> 1] = "tuner (analog)",
371};
372
373/*
374 * do_i2c_scan()
375 * check i2c address range for devices
376 */
377static void do_i2c_scan(char *name, struct i2c_client *c)
378{
379 unsigned char buf;
380 int i, rc;
381
382 for (i = 0; i < 128; i++) {
383 c->addr = i;
384 rc = i2c_master_recv(c, &buf, 0);
385 if (rc < 0)
386 continue;
387 printk(KERN_INFO "%s: found i2c device @ 0x%x [%s]\n", name,
388 i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
389 }
390}
391
392/*
393 * tm6000_i2c_call_clients()
394 * send commands to all attached i2c devices
395 */
396void tm6000_i2c_call_clients(struct tm6000_core *dev, unsigned int cmd, void *arg)
397{
398 BUG_ON(NULL == dev->i2c_adap.algo_data);
399 i2c_clients_command(&dev->i2c_adap, cmd, arg);
400}
401
402/*
403 * tm6000_i2c_register() 287 * tm6000_i2c_register()
404 * register i2c bus 288 * register i2c bus
405 */ 289 */
@@ -416,8 +300,7 @@ int tm6000_i2c_register(struct tm6000_core *dev)
416 dev->i2c_client = tm6000_client_template; 300 dev->i2c_client = tm6000_client_template;
417 dev->i2c_client.adapter = &dev->i2c_adap; 301 dev->i2c_client.adapter = &dev->i2c_adap;
418 302
419 if (i2c_scan) 303 i2c_set_adapdata(&dev->i2c_adap, &dev->v4l2_dev);
420 do_i2c_scan(dev->name, &dev->i2c_client);
421 304
422 tm6000_i2c_eeprom(dev, eedata, sizeof(eedata)); 305 tm6000_i2c_eeprom(dev, eedata, sizeof(eedata));
423 306