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path: root/drivers/media/dvb-frontends/stv6110x.c
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Diffstat (limited to 'drivers/media/dvb-frontends/stv6110x.c')
-rw-r--r--drivers/media/dvb-frontends/stv6110x.c135
1 files changed, 113 insertions, 22 deletions
diff --git a/drivers/media/dvb-frontends/stv6110x.c b/drivers/media/dvb-frontends/stv6110x.c
index 0126cfae2e03..5012d0231652 100644
--- a/drivers/media/dvb-frontends/stv6110x.c
+++ b/drivers/media/dvb-frontends/stv6110x.c
@@ -333,6 +333,41 @@ static void stv6110x_release(struct dvb_frontend *fe)
kfree(stv6110x);
}
+static void st6110x_init_regs(struct stv6110x_state *stv6110x)
+{
+ u8 default_regs[] = {0x07, 0x11, 0xdc, 0x85, 0x17, 0x01, 0xe6, 0x1e};
+
+ memcpy(stv6110x->regs, default_regs, 8);
+}
+
+static void stv6110x_setup_divider(struct stv6110x_state *stv6110x)
+{
+ switch (stv6110x->config->clk_div) {
+ default:
+ case 1:
+ STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
+ CTRL2_CO_DIV,
+ 0);
+ break;
+ case 2:
+ STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
+ CTRL2_CO_DIV,
+ 1);
+ break;
+ case 4:
+ STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
+ CTRL2_CO_DIV,
+ 2);
+ break;
+ case 8:
+ case 0:
+ STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2],
+ CTRL2_CO_DIV,
+ 3);
+ break;
+ }
+}
+
static const struct dvb_tuner_ops stv6110x_ops = {
.info = {
.name = "STV6110(A) Silicon Tuner",
@@ -342,7 +377,7 @@ static const struct dvb_tuner_ops stv6110x_ops = {
.release = stv6110x_release
};
-static const struct stv6110x_devctl stv6110x_ctl = {
+static struct stv6110x_devctl stv6110x_ctl = {
.tuner_init = stv6110x_init,
.tuner_sleep = stv6110x_sleep,
.tuner_set_mode = stv6110x_set_mode,
@@ -356,48 +391,104 @@ static const struct stv6110x_devctl stv6110x_ctl = {
.tuner_get_status = stv6110x_get_status,
};
+static void stv6110x_set_frontend_opts(struct stv6110x_state *stv6110x)
+{
+ stv6110x->frontend->tuner_priv = stv6110x;
+ stv6110x->frontend->ops.tuner_ops = stv6110x_ops;
+}
+
+static struct stv6110x_devctl *stv6110x_get_devctl(struct i2c_client *client)
+{
+ struct stv6110x_state *stv6110x = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ return stv6110x->devctl;
+}
+
+static int stv6110x_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct stv6110x_config *config = client->dev.platform_data;
+
+ struct stv6110x_state *stv6110x;
+
+ stv6110x = kzalloc(sizeof(*stv6110x), GFP_KERNEL);
+ if (!stv6110x)
+ return -ENOMEM;
+
+ stv6110x->frontend = config->frontend;
+ stv6110x->i2c = client->adapter;
+ stv6110x->config = config;
+ stv6110x->devctl = &stv6110x_ctl;
+
+ st6110x_init_regs(stv6110x);
+ stv6110x_setup_divider(stv6110x);
+ stv6110x_set_frontend_opts(stv6110x);
+
+ dev_info(&stv6110x->i2c->dev, "Probed STV6110x\n");
+
+ i2c_set_clientdata(client, stv6110x);
+
+ /* setup callbacks */
+ config->get_devctl = stv6110x_get_devctl;
+
+ return 0;
+}
+
+static int stv6110x_remove(struct i2c_client *client)
+{
+ struct stv6110x_state *stv6110x = i2c_get_clientdata(client);
+
+ stv6110x_release(stv6110x->frontend);
+ return 0;
+}
+
const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
const struct stv6110x_config *config,
struct i2c_adapter *i2c)
{
struct stv6110x_state *stv6110x;
- u8 default_regs[] = {0x07, 0x11, 0xdc, 0x85, 0x17, 0x01, 0xe6, 0x1e};
- stv6110x = kzalloc(sizeof (struct stv6110x_state), GFP_KERNEL);
+ stv6110x = kzalloc(sizeof(*stv6110x), GFP_KERNEL);
if (!stv6110x)
return NULL;
+ stv6110x->frontend = fe;
stv6110x->i2c = i2c;
stv6110x->config = config;
stv6110x->devctl = &stv6110x_ctl;
- memcpy(stv6110x->regs, default_regs, 8);
- /* setup divider */
- switch (stv6110x->config->clk_div) {
- default:
- case 1:
- STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 0);
- break;
- case 2:
- STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 1);
- break;
- case 4:
- STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 2);
- break;
- case 8:
- case 0:
- STV6110x_SETFIELD(stv6110x->regs[STV6110x_CTRL2], CTRL2_CO_DIV, 3);
- break;
- }
+ st6110x_init_regs(stv6110x);
+ stv6110x_setup_divider(stv6110x);
+ stv6110x_set_frontend_opts(stv6110x);
fe->tuner_priv = stv6110x;
fe->ops.tuner_ops = stv6110x_ops;
- printk(KERN_INFO "%s: Attaching STV6110x\n", __func__);
+ dev_info(&stv6110x->i2c->dev, "Attaching STV6110x\n");
return stv6110x->devctl;
}
EXPORT_SYMBOL(stv6110x_attach);
+static const struct i2c_device_id stv6110x_id_table[] = {
+ {"stv6110x", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, stv6110x_id_table);
+
+static struct i2c_driver stv6110x_driver = {
+ .driver = {
+ .name = "stv6110x",
+ .suppress_bind_attrs = true,
+ },
+ .probe = stv6110x_probe,
+ .remove = stv6110x_remove,
+ .id_table = stv6110x_id_table,
+};
+
+module_i2c_driver(stv6110x_driver);
+
MODULE_AUTHOR("Manu Abraham");
MODULE_DESCRIPTION("STV6110x Silicon tuner");
MODULE_LICENSE("GPL");