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-rw-r--r--drivers/media/dvb-frontends/tda1004x.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/tda1004x.h b/drivers/media/dvb-frontends/tda1004x.h
new file mode 100644
index 000000000..e63578c0a
--- /dev/null
+++ b/drivers/media/dvb-frontends/tda1004x.h
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+ /*
+ Driver for Philips tda1004xh OFDM Frontend
+
+ (c) 2004 Andrew de Quincey
+
+
+ */
+
+#ifndef TDA1004X_H
+#define TDA1004X_H
+
+#include <linux/dvb/frontend.h>
+#include <linux/firmware.h>
+
+enum tda10046_xtal {
+ TDA10046_XTAL_4M,
+ TDA10046_XTAL_16M,
+};
+
+enum tda10046_agc {
+ TDA10046_AGC_DEFAULT, /* original configuration */
+ TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negative */
+ TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */
+ TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */
+};
+
+/* Many (hybrid) boards use GPIO 1 and 3
+ GPIO1 analog - dvb switch
+ GPIO3 firmware eeprom address switch
+*/
+enum tda10046_gpio {
+ TDA10046_GPTRI = 0x00, /* All GPIOs tristate */
+ TDA10046_GP00 = 0x40, /* GPIO3=0, GPIO1=0 */
+ TDA10046_GP01 = 0x42, /* GPIO3=0, GPIO1=1 */
+ TDA10046_GP10 = 0x48, /* GPIO3=1, GPIO1=0 */
+ TDA10046_GP11 = 0x4a, /* GPIO3=1, GPIO1=1 */
+ TDA10046_GP00_I = 0x80, /* GPIO3=0, GPIO1=0, invert in sleep mode*/
+ TDA10046_GP01_I = 0x82, /* GPIO3=0, GPIO1=1, invert in sleep mode */
+ TDA10046_GP10_I = 0x88, /* GPIO3=1, GPIO1=0, invert in sleep mode */
+ TDA10046_GP11_I = 0x8a, /* GPIO3=1, GPIO1=1, invert in sleep mode */
+};
+
+enum tda10046_if {
+ TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
+ TDA10046_FREQ_3613, /* 36,13 MHZ */
+ TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */
+ TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
+};
+
+enum tda10046_tsout {
+ TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */
+ TDA10046_TS_SERIAL = 0x01, /* serial transport stream */
+};
+
+struct tda1004x_config
+{
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* does the "inversion" need inverted? */
+ u8 invert;
+
+ /* Does the OCLK signal need inverted? */
+ u8 invert_oclk;
+
+ /* parallel or serial transport stream */
+ enum tda10046_tsout ts_mode;
+
+ /* Xtal frequency, 4 or 16MHz*/
+ enum tda10046_xtal xtal_freq;
+
+ /* IF frequency */
+ enum tda10046_if if_freq;
+
+ /* AGC configuration */
+ enum tda10046_agc agc_config;
+
+ /* setting of GPIO1 and 3 */
+ enum tda10046_gpio gpio_config;
+
+ /* slave address and configuration of the tuner */
+ u8 tuner_address;
+ u8 antenna_switch;
+
+ /* if the board uses another I2c Bridge (tda8290), its address */
+ u8 i2c_gate;
+
+ /* request firmware for device */
+ int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
+};
+
+enum tda1004x_demod {
+ TDA1004X_DEMOD_TDA10045,
+ TDA1004X_DEMOD_TDA10046,
+};
+
+struct tda1004x_state {
+ struct i2c_adapter* i2c;
+ const struct tda1004x_config* config;
+ struct dvb_frontend frontend;
+
+ /* private demod data */
+ enum tda1004x_demod demod_type;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_TDA1004X)
+extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
+ struct i2c_adapter* i2c);
+
+extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
+ struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
+ struct i2c_adapter* i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
+ struct i2c_adapter* i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_TDA1004X
+
+static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
+ int r = 0;
+ u8 buf[] = {reg, val};
+ if (fe->ops.write)
+ r = fe->ops.write(fe, buf, 2);
+ return r;
+}
+
+#endif // TDA1004X_H