media: dvb-frontends/dvb-pll: add i2c driver support

registers the module as an i2c driver,
but keeps dvb_pll_attach() untouched for compatibility.

Signed-off-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/dvb-frontends/dvb-pll.c b/drivers/media/dvb-frontends/dvb-pll.c
index 5553b89b804e7d4219d6c767b96fbdb5006cce1b..ff0f477276a88b8ca5e047d1d22b719761c20ded 100644 (file)
--- a/drivers/media/dvb-frontends/dvb-pll.c
+++ b/drivers/media/dvb-frontends/dvb-pll.c
@@ -827,6 +827,73 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 }
 EXPORT_SYMBOL(dvb_pll_attach);
 
+
+static int
+dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+       struct dvb_pll_config *cfg;
+       struct dvb_frontend *fe;
+       unsigned int desc_id;
+
+       cfg = client->dev.platform_data;
+       fe = cfg->fe;
+       i2c_set_clientdata(client, fe);
+       desc_id = (unsigned int) id->driver_data;
+
+       if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id))
+               return -ENOMEM;
+
+       dev_info(&client->dev, "DVB Simple Tuner attached.\n");
+       return 0;
+}
+
+static int dvb_pll_remove(struct i2c_client *client)
+{
+       struct dvb_frontend *fe;
+
+       fe = i2c_get_clientdata(client);
+       dvb_pll_release(fe);
+       return 0;
+}
+
+
+static const struct i2c_device_id dvb_pll_id[] = {
+       {"dtt7579",             DVB_PLL_THOMSON_DTT7579},
+       {"dtt759x",             DVB_PLL_THOMSON_DTT759X},
+       {"z201",                DVB_PLL_LG_Z201},
+       {"unknown_1",           DVB_PLL_UNKNOWN_1},
+       {"tua6010xs",           DVB_PLL_TUA6010XS},
+       {"env57h1xd5",          DVB_PLL_ENV57H1XD5},
+       {"tua6034",             DVB_PLL_TUA6034},
+       {"tda665x",             DVB_PLL_TDA665X},
+       {"tded4",               DVB_PLL_TDED4},
+       {"tdhu2",               DVB_PLL_TDHU2},
+       {"tbmv",                DVB_PLL_SAMSUNG_TBMV},
+       {"sd1878_tda8261",      DVB_PLL_PHILIPS_SD1878_TDA8261},
+       {"opera1",              DVB_PLL_OPERA1},
+       {"dtos403ih102a",       DVB_PLL_SAMSUNG_DTOS403IH102A},
+       {"tdtc9251dh0",         DVB_PLL_SAMSUNG_TDTC9251DH0},
+       {"tbdu18132",           DVB_PLL_SAMSUNG_TBDU18132},
+       {"tbmu24112",           DVB_PLL_SAMSUNG_TBMU24112},
+       {"tdee4",               DVB_PLL_TDEE4},
+       {"dtt7520x",            DVB_PLL_THOMSON_DTT7520X},
+       {}
+};
+
+
+MODULE_DEVICE_TABLE(i2c, dvb_pll_id);
+
+static struct i2c_driver dvb_pll_driver = {
+       .driver = {
+               .name = "dvb_pll",
+       },
+       .probe    = dvb_pll_probe,
+       .remove   = dvb_pll_remove,
+       .id_table = dvb_pll_id,
+};
+
+module_i2c_driver(dvb_pll_driver);
+
 MODULE_DESCRIPTION("dvb pll library");
 MODULE_AUTHOR("Gerd Knorr");
 MODULE_LICENSE("GPL");

diff --git a/drivers/media/dvb-frontends/dvb-pll.h b/drivers/media/dvb-frontends/dvb-pll.h
index ca885e71d2f073323f15bf44746edb18039ca203..101537ae4ef51e4fb2854142ccdee922980fd26d 100644 (file)
--- a/drivers/media/dvb-frontends/dvb-pll.h
+++ b/drivers/media/dvb-frontends/dvb-pll.h
@@ -30,6 +30,10 @@
 #define DVB_PLL_TDEE4                 18
 #define DVB_PLL_THOMSON_DTT7520X       19
 
+struct dvb_pll_config {
+       struct dvb_frontend *fe;
+};
+
 #if IS_REACHABLE(CONFIG_DVB_PLL)
 /**
  * Attach a dvb-pll to the supplied frontend structure.