[media] af9013: rewrite whole driver
Rewrite whole af9013 demod driver in order to decrease I2C I/O.
We need to decrease I2C load since AF9015 (I2C adapter / USB-bridge used)
seems to have some problems under heavy I2C traffic.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/af9013.h b/drivers/media/dvb/frontends/af9013.h
index e53d873..b973fc5 100644
--- a/drivers/media/dvb/frontends/af9013.h
+++ b/drivers/media/dvb/frontends/af9013.h
@@ -2,6 +2,7 @@
* Afatech AF9013 demodulator driver
*
* Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* Thanks to Afatech who kindly provided information.
*
@@ -21,33 +22,11 @@
*
*/
-#ifndef _AF9013_H_
-#define _AF9013_H_
+#ifndef AF9013_H
+#define AF9013_H
#include <linux/dvb/frontend.h>
-enum af9013_ts_mode {
- AF9013_OUTPUT_MODE_PARALLEL,
- AF9013_OUTPUT_MODE_SERIAL,
- AF9013_OUTPUT_MODE_USB, /* only for AF9015 */
-};
-
-enum af9013_tuner {
- AF9013_TUNER_MXL5003D = 3, /* MaxLinear */
- AF9013_TUNER_MXL5005D = 13, /* MaxLinear */
- AF9013_TUNER_MXL5005R = 30, /* MaxLinear */
- AF9013_TUNER_ENV77H11D5 = 129, /* Panasonic */
- AF9013_TUNER_MT2060 = 130, /* Microtune */
- AF9013_TUNER_MC44S803 = 133, /* Freescale */
- AF9013_TUNER_QT1010 = 134, /* Quantek */
- AF9013_TUNER_UNKNOWN = 140, /* for can tuners ? */
- AF9013_TUNER_MT2060_2 = 147, /* Microtune */
- AF9013_TUNER_TDA18271 = 156, /* NXP */
- AF9013_TUNER_QT1010A = 162, /* Quantek */
- AF9013_TUNER_MXL5007T = 177, /* MaxLinear */
- AF9013_TUNER_TDA18218 = 179, /* NXP */
-};
-
/* AF9013/5 GPIOs (mostly guessed)
demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
demod#1-gpio#1 - xtal setting (?)
@@ -55,44 +34,74 @@
demod#2-gpio#0 - tuner#2
demod#2-gpio#1 - xtal setting (?)
*/
+
+struct af9013_config {
+ /*
+ * I2C address
+ */
+ u8 i2c_addr;
+
+ /*
+ * clock
+ * 20480000, 25000000, 28000000, 28800000
+ */
+ u32 clock;
+
+ /*
+ * tuner
+ */
+#define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
+#define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
+#define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
+#define AF9013_TUNER_ENV77H11D5 129 /* Panasonic */
+#define AF9013_TUNER_MT2060 130 /* Microtune */
+#define AF9013_TUNER_MC44S803 133 /* Freescale */
+#define AF9013_TUNER_QT1010 134 /* Quantek */
+#define AF9013_TUNER_UNKNOWN 140 /* for can tuners ? */
+#define AF9013_TUNER_MT2060_2 147 /* Microtune */
+#define AF9013_TUNER_TDA18271 156 /* NXP */
+#define AF9013_TUNER_QT1010A 162 /* Quantek */
+#define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
+#define AF9013_TUNER_TDA18218 179 /* NXP */
+ u8 tuner;
+
+ /*
+ * IF frequency
+ */
+ u32 if_frequency;
+
+ /*
+ * TS settings
+ */
+#define AF9013_TS_USB 0
+#define AF9013_TS_PARALLEL 1
+#define AF9013_TS_SERIAL 2
+ u8 ts_mode:2;
+
+ /*
+ * input spectrum inversion
+ */
+ bool spec_inv;
+
+ /*
+ * firmware API version
+ */
+ u8 api_version[4];
+
+ /*
+ * GPIOs
+ */
#define AF9013_GPIO_ON (1 << 0)
#define AF9013_GPIO_EN (1 << 1)
#define AF9013_GPIO_O (1 << 2)
#define AF9013_GPIO_I (1 << 3)
-
#define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
-
#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
-
-struct af9013_config {
- /* demodulator's I2C address */
- u8 demod_address;
-
- /* frequencies in kHz */
- u32 adc_clock;
-
- /* tuner ID */
- u8 tuner;
-
- /* tuner IF */
- u16 tuner_if;
-
- /* TS data output mode */
- u8 output_mode:2;
-
- /* RF spectrum inversion */
- u8 rf_spec_inv:1;
-
- /* API version */
- u8 api_version[4];
-
- /* GPIOs */
u8 gpio[4];
};
-
#if defined(CONFIG_DVB_AF9013) || \
(defined(CONFIG_DVB_AF9013_MODULE) && defined(MODULE))
extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
@@ -106,4 +115,4 @@
}
#endif /* CONFIG_DVB_AF9013 */
-#endif /* _AF9013_H_ */
+#endif /* AF9013_H */