media: tda18250: support for new silicon tuner

NXP TDA18250 silicon tuner driver.

Version 4 includes some checkpatch fixes.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

MAINTAINERS

@@ -13250,6 +13250,15 @@ T:	git git://linuxtv.org/anttip/media_tree.git
 S:	Maintained
 F:	drivers/media/tuners/tda18218*
 
+TDA18250 MEDIA DRIVER
+M:	Olli Salonen <olli.salonen@iki.fi>
+L:	linux-media@vger.kernel.org
+W:	https://linuxtv.org
+Q:	http://patchwork.linuxtv.org/project/linux-media/list/
+T:	git git://linuxtv.org/media_tree.git
+S:	Maintained
+F:	drivers/media/tuners/tda18250*
+
 TDA18271 MEDIA DRIVER
 M:	Michael Krufky <mkrufky@linuxtv.org>
 L:	linux-media@vger.kernel.org

drivers/media/tuners/Kconfig

@@ -26,6 +26,13 @@ config MEDIA_TUNER_SIMPLE
 	help
 	  Say Y here to include support for various simple tuners.
 
+config MEDIA_TUNER_TDA18250
+	tristate "NXP TDA18250 silicon tuner"
+	depends on MEDIA_SUPPORT && I2C
+	default m if !MEDIA_SUBDRV_AUTOSELECT
+	help
+	  Say Y here to include support for TDA18250 tuner.
+
 config MEDIA_TUNER_TDA8290
 	tristate "TDA 8290/8295 + 8275(a)/18271 tuner combo"
 	depends on MEDIA_SUPPORT && I2C

drivers/media/tuners/Makefile

@@ -42,6 +42,7 @@ obj-$(CONFIG_MEDIA_TUNER_R820T) += r820t.o
 obj-$(CONFIG_MEDIA_TUNER_MXL301RF) += mxl301rf.o
 obj-$(CONFIG_MEDIA_TUNER_QM1D1C0042) += qm1d1c0042.o
 obj-$(CONFIG_MEDIA_TUNER_M88RS6000T) += m88rs6000t.o
+obj-$(CONFIG_MEDIA_TUNER_TDA18250) += tda18250.o
 
 ccflags-y += -I$(srctree)/drivers/media/dvb-core
 ccflags-y += -I$(srctree)/drivers/media/dvb-frontends

drivers/media/tuners/tda18250.h

+/*
+ * NXP TDA18250BHN silicon tuner driver
+ *
+ * Copyright (C) 2017 Olli Salonen <olli.salonen@iki.fi>
+ *
+ *    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.
+ */
+
+#ifndef TDA18250_H
+#define TDA18250_H
+
+#include <linux/kconfig.h>
+#include <media/media-device.h>
+#include "dvb_frontend.h"
+
+#define TDA18250_XTAL_FREQ_16MHZ 0
+#define TDA18250_XTAL_FREQ_24MHZ 1
+#define TDA18250_XTAL_FREQ_25MHZ 2
+#define TDA18250_XTAL_FREQ_27MHZ 3
+#define TDA18250_XTAL_FREQ_30MHZ 4
+#define TDA18250_XTAL_FREQ_MAX 5
+
+struct tda18250_config {
+	u16 if_dvbt_6;
+	u16 if_dvbt_7;
+	u16 if_dvbt_8;
+	u16 if_dvbc_6;
+	u16 if_dvbc_8;
+	u16 if_atsc;
+	u8 xtal_freq;
+	bool loopthrough;
+
+	/*
+	 * frontend
+	 */
+	struct dvb_frontend *fe;
+
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	struct media_device *mdev;
+#endif
+};
+
+#endif

drivers/media/tuners/tda18250_priv.h

+/*
+ * NXP TDA18250BHN silicon tuner driver
+ *
+ * Copyright (C) 2017 Olli Salonen <olli.salonen@iki.fi>
+ *
+ *    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.
+ */
+
+#ifndef TDA18250_PRIV_H
+#define TDA18250_PRIV_H
+
+#include "tda18250.h"
+
+#define R00_ID1		0x00	/* ID byte 1 */
+#define R01_ID2		0x01	/* ID byte 2 */
+#define R02_ID3		0x02	/* ID byte 3 */
+#define R03_THERMO1	0x03	/* Thermo byte 1 */
+#define R04_THERMO2	0x04	/* Thermo byte 2 */
+#define R05_POWER1	0x05	/* Power byte 1 */
+#define R06_POWER2	0x06	/* Power byte 2 */
+#define R07_GPIO	0x07	/* GPIO */
+#define R08_IRQ1	0x08	/* IRQ */
+#define R09_IRQ2	0x09	/* IRQ */
+#define R0A_IRQ3	0x0a	/* IRQ */
+#define R0B_IRQ4	0x0b	/* IRQ */
+#define R0C_AGC11	0x0c	/* AGC1 byte 1 */
+#define R0D_AGC12	0x0d	/* AGC1 byte 2 */
+#define R0E_AGC13	0x0e	/* AGC1 byte 3 */
+#define R0F_AGC14	0x0f	/* AGC1 byte 4 */
+#define R10_LT1		0x10	/* LT byte 1 */
+#define R11_LT2		0x11	/* LT byte 2 */
+#define R12_AGC21	0x12	/* AGC2 byte 1 */
+#define R13_AGC22	0x13	/* AGC2 byte 2 */
+#define R14_AGC23	0x14	/* AGC2 byte 3 */
+#define R15_AGC24	0x15	/* AGC2 byte 4 */
+#define R16_AGC25	0x16	/* AGC2 byte 5 */
+#define R17_AGC31	0x17	/* AGC3 byte 1 */
+#define R18_AGC32	0x18	/* AGC3 byte 2 */
+#define R19_AGC33	0x19	/* AGC3 byte 3 */
+#define R1A_AGCK	0x1a
+#define R1B_GAIN1	0x1b
+#define R1C_GAIN2	0x1c
+#define R1D_GAIN3	0x1d
+#define R1E_WI_FI	0x1e	/* Wireless Filter */
+#define R1F_RF_BPF	0x1f	/* RF Band Pass Filter */
+#define R20_IR_MIX	0x20	/* IR Mixer */
+#define R21_IF_AGC	0x21
+#define R22_IF1		0x22	/* IF byte 1 */
+#define R23_IF2		0x23	/* IF byte 2 */
+#define R24_IF3		0x24	/* IF byte 3 */
+#define R25_REF		0x25	/* reference byte */
+#define R26_IF		0x26	/* IF frequency */
+#define R27_RF1		0x27	/* RF frequency byte 1 */
+#define R28_RF2		0x28	/* RF frequency byte 2 */
+#define R29_RF3		0x29	/* RF frequency byte 3 */
+#define R2A_MSM1	0x2a
+#define R2B_MSM2	0x2b
+#define R2C_PS1		0x2c	/* power saving mode byte 1 */
+#define R2D_PS2		0x2d	/* power saving mode byte 2 */
+#define R2E_PS3		0x2e	/* power saving mode byte 3 */
+#define R2F_RSSI1	0x2f
+#define R30_RSSI2	0x30
+#define R31_IRQ_CTRL	0x31
+#define R32_DUMMY	0x32
+#define R33_TEST	0x33
+#define R34_MD1		0x34
+#define R35_SD1		0x35
+#define R36_SD2		0x36
+#define R37_SD3		0x37
+#define R38_SD4		0x38
+#define R39_SD5		0x39
+#define R3A_SD_TEST	0x3a
+#define R3B_REGU	0x3b
+#define R3C_RCCAL1	0x3c
+#define R3D_RCCAL2	0x3d
+#define R3E_IRCAL1	0x3e
+#define R3F_IRCAL2	0x3f
+#define R40_IRCAL3	0x40
+#define R41_IRCAL4	0x41
+#define R42_IRCAL5	0x42
+#define R43_PD1		0x43	/* power down byte 1 */
+#define R44_PD2		0x44	/* power down byte 2 */
+#define R45_PD		0x45	/* power down */
+#define R46_CPUMP	0x46	/* charge pump */
+#define R47_LNAPOL	0x47	/* LNA polar casc */
+#define R48_SMOOTH1	0x48	/* smooth test byte 1 */
+#define R49_SMOOTH2	0x49	/* smooth test byte 2 */
+#define R4A_SMOOTH3	0x4a	/* smooth test byte 3 */
+#define R4B_XTALOSC1	0x4b
+#define R4C_XTALOSC2	0x4c
+#define R4D_XTALFLX1	0x4d
+#define R4E_XTALFLX2	0x4e
+#define R4F_XTALFLX3	0x4f
+#define R50_XTALFLX4	0x50
+#define R51_XTALFLX5	0x51
+#define R52_IRLOOP0	0x52
+#define R53_IRLOOP1	0x53
+#define R54_IRLOOP2	0x54
+#define R55_IRLOOP3	0x55
+#define R56_IRLOOP4	0x56
+#define R57_PLL_LOG	0x57
+#define R58_AGC2_UP1	0x58
+#define R59_AGC2_UP2	0x59
+#define R5A_H3H5	0x5a
+#define R5B_AGC_AUTO	0x5b
+#define R5C_AGC_DEBUG	0x5c
+
+#define TDA18250_NUM_REGS 93
+
+#define TDA18250_POWER_STANDBY 0
+#define TDA18250_POWER_NORMAL 1
+
+#define TDA18250_IRQ_CAL     0x81
+#define TDA18250_IRQ_HW_INIT 0x82
+#define TDA18250_IRQ_TUNE    0x88
+
+struct tda18250_dev {
+	struct mutex i2c_mutex;
+	struct dvb_frontend *fe;
+	struct i2c_adapter *i2c;
+	struct regmap *regmap;
+	u8 xtal_freq;
+	/* IF in kHz */
+	u16 if_dvbt_6;
+	u16 if_dvbt_7;
+	u16 if_dvbt_8;
+	u16 if_dvbc_6;
+	u16 if_dvbc_8;
+	u16 if_atsc;
+	u16 if_frequency;
+	bool slave;
+	bool loopthrough;
+	bool warm;
+	u8 regs[TDA18250_NUM_REGS];
+};
+
+#endif