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authorAntti Palosaari <crope@iki.fi>2013-01-07 15:16:54 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-21 18:47:55 -0300
commit74c1883a56369d5e323c712a6c81b869e3bcb113 (patch)
tree40fc9bc4d29a52c39c1189b7e9ec5509808ac460
parentac77fb0f0ce9f77f465692d590b9615b95a99fb2 (diff)
downloadvexpress-lsk-74c1883a56369d5e323c712a6c81b869e3bcb113.tar.gz
[media] af9035: add auto configuration heuristic for it9135
Detect automatically multiple chip versions and select configuration according to that. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/usb/dvb-usb-v2/af9035.c116
-rw-r--r--drivers/media/usb/dvb-usb-v2/af9035.h6
2 files changed, 88 insertions, 34 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index f43e83c4122..2c5b01d9dc2 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -292,12 +292,38 @@ static struct i2c_algorithm af9035_i2c_algo = {
static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
{
+ struct state *state = d_to_priv(d);
int ret;
u8 wbuf[1] = { 1 };
u8 rbuf[4];
struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
sizeof(rbuf), rbuf };
+ ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
+ if (ret < 0)
+ goto err;
+
+ state->chip_version = rbuf[0];
+ state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
+
+ ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
+ if (ret < 0)
+ goto err;
+
+ dev_info(&d->udev->dev,
+ "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
+ __func__, state->prechip_version, state->chip_version,
+ state->chip_type);
+
+ if (state->chip_type == 0x9135) {
+ if (state->chip_version == 2)
+ *name = AF9035_FIRMWARE_IT9135_V2;
+ else
+ *name = AF9035_FIRMWARE_IT9135_V1;
+ } else {
+ *name = AF9035_FIRMWARE_AF9035;
+ }
+
ret = af9035_ctrl_msg(d, &req);
if (ret < 0)
goto err;
@@ -316,7 +342,7 @@ err:
return ret;
}
-static int af9035_download_firmware(struct dvb_usb_device *d,
+static int af9035_download_firmware_af9035(struct dvb_usb_device *d,
const struct firmware *fw)
{
int ret, i, j, len;
@@ -543,7 +569,18 @@ err:
return ret;
}
-static int af9035_read_config(struct dvb_usb_device *d)
+static int af9035_download_firmware(struct dvb_usb_device *d,
+ const struct firmware *fw)
+{
+ struct state *state = d_to_priv(d);
+
+ if (state->chip_type == 0x9135)
+ return af9035_download_firmware_it9135(d, fw);
+ else
+ return af9035_download_firmware_af9035(d, fw);
+}
+
+static int af9035_read_config_af9035(struct dvb_usb_device *d)
{
struct state *state = d_to_priv(d);
int ret, i, eeprom_shift = 0;
@@ -658,6 +695,27 @@ static int af9035_read_config_it9135(struct dvb_usb_device *d)
state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->dual_mode = false;
+ /* check if eeprom exists */
+ if (state->chip_version == 2)
+ ret = af9035_rd_reg(d, 0x00461d, &tmp);
+ else
+ ret = af9035_rd_reg(d, 0x00461b, &tmp);
+ if (ret < 0)
+ goto err;
+
+ if (tmp) {
+ /* tuner */
+ ret = af9035_rd_reg(d, 0x0049d0, &tmp);
+ if (ret < 0)
+ goto err;
+
+ dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
+ __func__, 0, tmp);
+
+ if (tmp)
+ state->af9033_config[0].tuner = tmp;
+ }
+
/* get demod clock */
ret = af9035_rd_reg(d, 0x00d800, &tmp);
if (ret < 0)
@@ -676,6 +734,16 @@ err:
return ret;
}
+static int af9035_read_config(struct dvb_usb_device *d)
+{
+ struct state *state = d_to_priv(d);
+
+ if (state->chip_type == 0x9135)
+ return af9035_read_config_it9135(d);
+ else
+ return af9035_read_config_af9035(d);
+}
+
static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
int cmd, int arg)
{
@@ -1101,7 +1169,13 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
&af9035_fc0012_config[adap->id]);
break;
case AF9033_TUNER_IT9135_38:
+ case AF9033_TUNER_IT9135_51:
+ case AF9033_TUNER_IT9135_52:
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
/* attach tuner */
+ af9035_it913x_config.tuner_id_0 = state->af9033_config[0].tuner;
fe = dvb_attach(it913x_attach, adap->fe[0],
&d->i2c_adap, 0x38, &af9035_it913x_config);
break;
@@ -1202,9 +1276,14 @@ err:
static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
{
+ struct state *state = d_to_priv(d);
int ret;
u8 tmp;
+ /* TODO: IT9135 remote control support */
+ if (state->chip_type == 0x9135)
+ return 0;
+
ret = af9035_rd_reg(d, EEPROM_IR_MODE, &tmp);
if (ret < 0)
goto err;
@@ -1260,7 +1339,6 @@ static const struct dvb_usb_device_properties af9035_props = {
.generic_bulk_ctrl_endpoint_response = 0x81,
.identify_state = af9035_identify_state,
- .firmware = AF9035_FIRMWARE_AF9035,
.download_firmware = af9035_download_firmware,
.i2c_algo = &af9035_i2c_algo,
@@ -1280,35 +1358,6 @@ static const struct dvb_usb_device_properties af9035_props = {
},
};
-static const struct dvb_usb_device_properties it9135_props = {
- .driver_name = KBUILD_MODNAME,
- .owner = THIS_MODULE,
- .adapter_nr = adapter_nr,
- .size_of_priv = sizeof(struct state),
-
- .generic_bulk_ctrl_endpoint = 0x02,
- .generic_bulk_ctrl_endpoint_response = 0x81,
-
- .identify_state = af9035_identify_state,
- .firmware = AF9035_FIRMWARE_IT9135,
- .download_firmware = af9035_download_firmware_it9135,
-
- .i2c_algo = &af9035_i2c_algo,
- .read_config = af9035_read_config_it9135,
- .frontend_attach = af9035_frontend_attach,
- .tuner_attach = af9035_tuner_attach,
- .init = af9035_init,
-
- .num_adapters = 1,
- .adapter = {
- {
- .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
- }, {
- .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
- },
- },
-};
-
static const struct usb_device_id af9035_id_table[] = {
{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
&af9035_props, "Afatech AF9035 reference design", NULL) },
@@ -1358,4 +1407,5 @@ MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9035 driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
-MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135);
+MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
+MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.h b/drivers/media/usb/dvb-usb-v2/af9035.h
index 1b2f69f594f..4465f858eb0 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.h
+++ b/drivers/media/usb/dvb-usb-v2/af9035.h
@@ -57,6 +57,9 @@ struct state {
u8 buf[BUF_LEN];
u8 seq; /* packet sequence number */
bool dual_mode;
+ u8 prechip_version;
+ u8 chip_version;
+ u16 chip_type;
struct af9033_config af9033_config[2];
};
@@ -89,7 +92,8 @@ u32 clock_lut_it9135[] = {
};
#define AF9035_FIRMWARE_AF9035 "dvb-usb-af9035-02.fw"
-#define AF9035_FIRMWARE_IT9135 "dvb-usb-it9135-01.fw"
+#define AF9035_FIRMWARE_IT9135_V1 "dvb-usb-it9135-01.fw"
+#define AF9035_FIRMWARE_IT9135_V2 "dvb-usb-it9135-02.fw"
/* EEPROM locations */
#define EEPROM_IR_MODE 0x430d