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authorJean Delvare <khali@linux-fr.org>2008-08-12 15:08:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-12 16:07:29 -0700
commit10546355323e4826d13e62f85ac6198385a817a9 (patch)
tree7e51dcb04003d253cee8718a01f5c36f88d19351 /drivers/video/matrox/matroxfb_maven.c
parent73b7d92f6106e2f55206b8672e5ccf6206689899 (diff)
matrox maven: convert to a new-style i2c driver
The legacy i2c model is going away soon, so switch to the new model. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/matrox/matroxfb_maven.c')
-rw-r--r--drivers/video/matrox/matroxfb_maven.c95
1 files changed, 39 insertions, 56 deletions
diff --git a/drivers/video/matrox/matroxfb_maven.c b/drivers/video/matrox/matroxfb_maven.c
index 2ad06b0125c..042408a8c63 100644
--- a/drivers/video/matrox/matroxfb_maven.c
+++ b/drivers/video/matrox/matroxfb_maven.c
@@ -19,8 +19,6 @@
#include <linux/matroxfb.h>
#include <asm/div64.h>
-#define MAVEN_I2CID (0x1B)
-
#define MGATVO_B 1
#define MGATVO_C 2
@@ -128,7 +126,7 @@ static int get_ctrl_id(__u32 v4l2_id) {
struct maven_data {
struct matrox_fb_info* primary_head;
- struct i2c_client client;
+ struct i2c_client *client;
int version;
};
@@ -974,7 +972,7 @@ static inline int maven_compute_timming(struct maven_data* md,
static int maven_program_timming(struct maven_data* md,
const struct mavenregs* m) {
- struct i2c_client* c = &md->client;
+ struct i2c_client *c = md->client;
if (m->mode == MATROXFB_OUTPUT_MODE_MONITOR) {
LR(0x80);
@@ -1011,7 +1009,7 @@ static int maven_program_timming(struct maven_data* md,
}
static inline int maven_resync(struct maven_data* md) {
- struct i2c_client* c = &md->client;
+ struct i2c_client *c = md->client;
maven_set_reg(c, 0x95, 0x20); /* start whole thing */
return 0;
}
@@ -1069,48 +1067,48 @@ static int maven_set_control (struct maven_data* md,
maven_compute_bwlevel(md, &blacklevel, &whitelevel);
blacklevel = (blacklevel >> 2) | ((blacklevel & 3) << 8);
whitelevel = (whitelevel >> 2) | ((whitelevel & 3) << 8);
- maven_set_reg_pair(&md->client, 0x0e, blacklevel);
- maven_set_reg_pair(&md->client, 0x1e, whitelevel);
+ maven_set_reg_pair(md->client, 0x0e, blacklevel);
+ maven_set_reg_pair(md->client, 0x1e, whitelevel);
}
break;
case V4L2_CID_SATURATION:
{
- maven_set_reg(&md->client, 0x20, p->value);
- maven_set_reg(&md->client, 0x22, p->value);
+ maven_set_reg(md->client, 0x20, p->value);
+ maven_set_reg(md->client, 0x22, p->value);
}
break;
case V4L2_CID_HUE:
{
- maven_set_reg(&md->client, 0x25, p->value);
+ maven_set_reg(md->client, 0x25, p->value);
}
break;
case V4L2_CID_GAMMA:
{
const struct maven_gamma* g;
g = maven_compute_gamma(md);
- maven_set_reg(&md->client, 0x83, g->reg83);
- maven_set_reg(&md->client, 0x84, g->reg84);
- maven_set_reg(&md->client, 0x85, g->reg85);
- maven_set_reg(&md->client, 0x86, g->reg86);
- maven_set_reg(&md->client, 0x87, g->reg87);
- maven_set_reg(&md->client, 0x88, g->reg88);
- maven_set_reg(&md->client, 0x89, g->reg89);
- maven_set_reg(&md->client, 0x8a, g->reg8a);
- maven_set_reg(&md->client, 0x8b, g->reg8b);
+ maven_set_reg(md->client, 0x83, g->reg83);
+ maven_set_reg(md->client, 0x84, g->reg84);
+ maven_set_reg(md->client, 0x85, g->reg85);
+ maven_set_reg(md->client, 0x86, g->reg86);
+ maven_set_reg(md->client, 0x87, g->reg87);
+ maven_set_reg(md->client, 0x88, g->reg88);
+ maven_set_reg(md->client, 0x89, g->reg89);
+ maven_set_reg(md->client, 0x8a, g->reg8a);
+ maven_set_reg(md->client, 0x8b, g->reg8b);
}
break;
case MATROXFB_CID_TESTOUT:
{
unsigned char val
- = maven_get_reg(&md->client,0x8d);
+ = maven_get_reg(md->client, 0x8d);
if (p->value) val |= 0x10;
else val &= ~0x10;
- maven_set_reg(&md->client, 0x8d, val);
+ maven_set_reg(md->client, 0x8d, val);
}
break;
case MATROXFB_CID_DEFLICKER:
{
- maven_set_reg(&md->client, 0x93, maven_compute_deflicker(md));
+ maven_set_reg(md->client, 0x93, maven_compute_deflicker(md));
}
break;
}
@@ -1189,6 +1187,7 @@ static int maven_init_client(struct i2c_client* clnt) {
MINFO_FROM(container_of(clnt->adapter, struct i2c_bit_adapter, adapter)->minfo);
md->primary_head = MINFO;
+ md->client = clnt;
down_write(&ACCESS_FBINFO(altout.lock));
ACCESS_FBINFO(outputs[1]).output = &maven_altout;
ACCESS_FBINFO(outputs[1]).src = ACCESS_FBINFO(outputs[1]).default_src;
@@ -1232,14 +1231,11 @@ static int maven_shutdown_client(struct i2c_client* clnt) {
return 0;
}
-static const unsigned short normal_i2c[] = { MAVEN_I2CID, I2C_CLIENT_END };
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver maven_driver;
-
-static int maven_detect_client(struct i2c_adapter* adapter, int address, int kind) {
- int err = 0;
- struct i2c_client* new_client;
+static int maven_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct i2c_adapter *adapter = client->adapter;
+ int err = -ENODEV;
struct maven_data* data;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_WORD_DATA |
@@ -1250,50 +1246,37 @@ static int maven_detect_client(struct i2c_adapter* adapter, int address, int kin
err = -ENOMEM;
goto ERROR0;
}
- new_client = &data->client;
- i2c_set_clientdata(new_client, data);
- new_client->addr = address;
- new_client->adapter = adapter;
- new_client->driver = &maven_driver;
- new_client->flags = 0;
- strlcpy(new_client->name, "maven", I2C_NAME_SIZE);
- if ((err = i2c_attach_client(new_client)))
- goto ERROR3;
- err = maven_init_client(new_client);
+ i2c_set_clientdata(client, data);
+ err = maven_init_client(client);
if (err)
goto ERROR4;
return 0;
ERROR4:;
- i2c_detach_client(new_client);
-ERROR3:;
kfree(data);
ERROR0:;
return err;
}
-static int maven_attach_adapter(struct i2c_adapter* adapter) {
- if (adapter->id == I2C_HW_B_G400)
- return i2c_probe(adapter, &addr_data, &maven_detect_client);
- return 0;
-}
-
-static int maven_detach_client(struct i2c_client* client) {
- int err;
-
- if ((err = i2c_detach_client(client)))
- return err;
+static int maven_remove(struct i2c_client *client)
+{
maven_shutdown_client(client);
kfree(i2c_get_clientdata(client));
return 0;
}
+static const struct i2c_device_id maven_id[] = {
+ { "maven", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, maven_id);
+
static struct i2c_driver maven_driver={
.driver = {
.name = "maven",
},
- .id = I2C_DRIVERID_MGATVO,
- .attach_adapter = maven_attach_adapter,
- .detach_client = maven_detach_client,
+ .probe = maven_probe,
+ .remove = maven_remove,
+ .id_table = maven_id,
};
static int __init matroxfb_maven_init(void)