Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / dvb-frontends / tda1004x.h

diff --git a/kernel/drivers/media/dvb-frontends/tda1004x.h b/kernel/drivers/media/dvb-frontends/tda1004x.h
new file mode 100644 (file)
index 0000000..efd7659
--- /dev/null
+++ b/kernel/drivers/media/dvb-frontends/tda1004x.h
@@ -0,0 +1,149 @@
+  /*
+     Driver for Philips tda1004xh OFDM Frontend
+
+     (c) 2004 Andrew de Quincey
+
+     This program is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation; either version 2 of the License, or
+     (at your option) any later version.
+
+     This program is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with this program; if not, write to the Free Software
+     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   */
+
+#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, negtive */
+       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