This is the only tuner driver that has "tuner-" on its name.
Rename it, in order to match all the other tuner drivers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
tea5761 TEA 5761 radio tuner
tea5767 TEA 5767 radio tuner
tua9001 Infineon TUA9001 silicon tuner
-tuner-xc2028 XCeive xc2028/xc3028 tuners
+xc2028 XCeive xc2028/xc3028 tuners
xc4000 Xceive XC4000 silicon tuner
xc5000 Xceive XC5000 silicon tuner
============ ==================================================
S: Maintained
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
-F: drivers/media/tuners/tuner-xc2028.*
+F: drivers/media/tuners/xc2028.*
XDP (eXpress Data Path)
M: Alexei Starovoitov <ast@kernel.org>
#include "cx18-mailbox.h"
#include "cx18-ioctl.h"
#include "cx18-controls.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <linux/dma-mapping.h>
#include <media/tveeprom.h>
#include <linux/firmware.h>
#include "mt352.h"
#include "mt352_priv.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#include "cx18-io.h"
#include "cx18-cards.h"
#include "cx18-gpio.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
/********************* GPIO stuffs *********************/
#include <linux/firmware.h>
#include <misc/altera.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "netup-eeprom.h"
#include "netup-init.h"
#include "altera-ci.h"
#include "xc5000.h"
#include "max2165.h"
#include "tda10048.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "tuner-simple.h"
#include "dib7000p.h"
#include "dib0070.h"
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include "cx23885-ioctl.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <media/drv-intf/cx25840.h>
#include <media/i2c/wm8775.h>
#include "cx88-reg.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <linux/mutex.h>
#include <linux/dma-mapping.h>
#include <media/tveeprom.h>
#include <media/i2c/saa7115.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <uapi/linux/sched/types.h>
/* If you have already X v4l cards, then set this to X. This way
#include "ivtv-driver.h"
#include "ivtv-cards.h"
#include "ivtv-gpio.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <media/tuner.h>
#include <media/v4l2-ctrls.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <media/v4l2-common.h>
#include <media/tveeprom.h>
#include "tea5767.h"
#include "mt352_priv.h" /* FIXME */
#include "tda1004x.h"
#include "nxt200x.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "xc5000.h"
#include "tda10086.h"
tda18271-objs := tda18271-maps.o tda18271-common.o tda18271-fe.o
-obj-$(CONFIG_MEDIA_TUNER_XC2028) += tuner-xc2028.o
+obj-$(CONFIG_MEDIA_TUNER_XC2028) += xc2028.o
obj-$(CONFIG_MEDIA_TUNER_SIMPLE) += tuner-simple.o
# tuner-types will be merged into tuner-simple, in the future
obj-$(CONFIG_MEDIA_TUNER_SIMPLE) += tuner-types.o
},
[TUNER_XC2028] = { /* Xceive 2028 */
.name = "Xceive xc2028/xc3028 tuner",
- /* see tuner-xc2028.c for details */
+ /* see xc2028.c for details */
},
[TUNER_THOMSON_FE6600] = { /* Thomson PAL / DVB-T */
.name = "Thomson FE6600",
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * tuner-xc2028_types
- *
- * This file includes internal tipes to be used inside tuner-xc2028.
- * Shouldn't be included outside tuner-xc2028
- *
- * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
- */
-
-/* xc3028 firmware types */
-
-/* BASE firmware should be loaded before any other firmware */
-#define BASE (1<<0)
-#define BASE_TYPES (BASE|F8MHZ|MTS|FM|INPUT1|INPUT2|INIT1)
-
-/* F8MHZ marks BASE firmwares for 8 MHz Bandwidth */
-#define F8MHZ (1<<1)
-
-/* Multichannel Television Sound (MTS)
- Those firmwares are capable of using xc2038 DSP to decode audio and
- produce a baseband audio output on some pins of the chip.
- There are MTS firmwares for the most used video standards. It should be
- required to use MTS firmwares, depending on the way audio is routed into
- the bridge chip
- */
-#define MTS (1<<2)
-
-/* FIXME: I have no idea what's the difference between
- D2620 and D2633 firmwares
- */
-#define D2620 (1<<3)
-#define D2633 (1<<4)
-
-/* DTV firmwares for 6, 7 and 8 MHz
- DTV6 - 6MHz - ATSC/DVB-C/DVB-T/ISDB-T/DOCSIS
- DTV8 - 8MHz - DVB-C/DVB-T
- */
-#define DTV6 (1 << 5)
-#define QAM (1 << 6)
-#define DTV7 (1<<7)
-#define DTV78 (1<<8)
-#define DTV8 (1<<9)
-
-#define DTV_TYPES (D2620|D2633|DTV6|QAM|DTV7|DTV78|DTV8|ATSC)
-
-/* There's a FM | BASE firmware + FM specific firmware (std=0) */
-#define FM (1<<10)
-
-#define STD_SPECIFIC_TYPES (MTS|FM|LCD|NOGD)
-
-/* Applies only for FM firmware
- Makes it use RF input 1 (pin #2) instead of input 2 (pin #4)
- */
-#define INPUT1 (1<<11)
-
-
-/* LCD firmwares exist only for MTS STD/MN (PAL or NTSC/M)
- and for non-MTS STD/MN (PAL, NTSC/M or NTSC/Kr)
- There are variants both with and without NOGD
- Those firmwares produce better result with LCD displays
- */
-#define LCD (1<<12)
-
-/* NOGD firmwares exist only for MTS STD/MN (PAL or NTSC/M)
- and for non-MTS STD/MN (PAL, NTSC/M or NTSC/Kr)
- The NOGD firmwares don't have group delay compensation filter
- */
-#define NOGD (1<<13)
-
-/* Old firmwares were broken into init0 and init1 */
-#define INIT1 (1<<14)
-
-/* SCODE firmware selects particular behaviours */
-#define MONO (1 << 15)
-#define ATSC (1 << 16)
-#define IF (1 << 17)
-#define LG60 (1 << 18)
-#define ATI638 (1 << 19)
-#define OREN538 (1 << 20)
-#define OREN36 (1 << 21)
-#define TOYOTA388 (1 << 22)
-#define TOYOTA794 (1 << 23)
-#define DIBCOM52 (1 << 24)
-#define ZARLINK456 (1 << 25)
-#define CHINA (1 << 26)
-#define F6MHZ (1 << 27)
-#define INPUT2 (1 << 28)
-#define SCODE (1 << 29)
-
-/* This flag identifies that the scode table has a new format */
-#define HAS_IF (1 << 30)
-
-/* There are different scode tables for MTS and non-MTS.
- The MTS firmwares support mono only
- */
-#define SCODE_TYPES (SCODE | MTS)
-
-
-/* Newer types not defined on videodev2.h.
- The original idea were to move all those types to videodev2.h, but
- it seemed overkill, since, with the exception of SECAM/K3, the other
- types seem to be autodetected.
- It is not clear where secam/k3 is used, nor we have a feedback of this
- working or being autodetected by the standard secam firmware.
- */
-
-#define V4L2_STD_SECAM_K3 (0x04000000)
-
-/* Audio types */
-
-#define V4L2_STD_A2_A (1LL<<32)
-#define V4L2_STD_A2_B (1LL<<33)
-#define V4L2_STD_NICAM_A (1LL<<34)
-#define V4L2_STD_NICAM_B (1LL<<35)
-#define V4L2_STD_AM (1LL<<36)
-#define V4L2_STD_BTSC (1LL<<37)
-#define V4L2_STD_EIAJ (1LL<<38)
-
-#define V4L2_STD_A2 (V4L2_STD_A2_A | V4L2_STD_A2_B)
-#define V4L2_STD_NICAM (V4L2_STD_NICAM_A | V4L2_STD_NICAM_B)
-
-/* To preserve backward compatibility,
- (std & V4L2_STD_AUDIO) = 0 means that ALL audio stds are supported
- */
-
-#define V4L2_STD_AUDIO (V4L2_STD_A2 | \
- V4L2_STD_NICAM | \
- V4L2_STD_AM | \
- V4L2_STD_BTSC | \
- V4L2_STD_EIAJ)
-
-/* Used standards with audio restrictions */
-
-#define V4L2_STD_PAL_BG_A2_A (V4L2_STD_PAL_BG | V4L2_STD_A2_A)
-#define V4L2_STD_PAL_BG_A2_B (V4L2_STD_PAL_BG | V4L2_STD_A2_B)
-#define V4L2_STD_PAL_BG_NICAM_A (V4L2_STD_PAL_BG | V4L2_STD_NICAM_A)
-#define V4L2_STD_PAL_BG_NICAM_B (V4L2_STD_PAL_BG | V4L2_STD_NICAM_B)
-#define V4L2_STD_PAL_DK_A2 (V4L2_STD_PAL_DK | V4L2_STD_A2)
-#define V4L2_STD_PAL_DK_NICAM (V4L2_STD_PAL_DK | V4L2_STD_NICAM)
-#define V4L2_STD_SECAM_L_NICAM (V4L2_STD_SECAM_L | V4L2_STD_NICAM)
-#define V4L2_STD_SECAM_L_AM (V4L2_STD_SECAM_L | V4L2_STD_AM)
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-// tuner-xc2028
-//
-// Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
-//
-// Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com)
-// - frontend interface
-
-#include <linux/i2c.h>
-#include <asm/div64.h>
-#include <linux/firmware.h>
-#include <linux/videodev2.h>
-#include <linux/delay.h>
-#include <media/tuner.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include <asm/unaligned.h>
-#include "tuner-i2c.h"
-#include "tuner-xc2028.h"
-#include "tuner-xc2028-types.h"
-
-#include <linux/dvb/frontend.h>
-#include <media/dvb_frontend.h>
-
-/* Max transfer size done by I2C transfer functions */
-#define MAX_XFER_SIZE 80
-
-/* Registers (Write-only) */
-#define XREG_INIT 0x00
-#define XREG_RF_FREQ 0x02
-#define XREG_POWER_DOWN 0x08
-
-/* Registers (Read-only) */
-#define XREG_FREQ_ERROR 0x01
-#define XREG_LOCK 0x02
-#define XREG_VERSION 0x04
-#define XREG_PRODUCT_ID 0x08
-#define XREG_HSYNC_FREQ 0x10
-#define XREG_FRAME_LINES 0x20
-#define XREG_SNR 0x40
-
-#define XREG_ADC_ENV 0x0100
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "enable verbose debug messages");
-
-static int no_poweroff;
-module_param(no_poweroff, int, 0644);
-MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
- "1 keep device energized and with tuner ready all the times.\n"
- " Faster, but consumes more power and keeps the device hotter\n");
-
-static char audio_std[8];
-module_param_string(audio_std, audio_std, sizeof(audio_std), 0);
-MODULE_PARM_DESC(audio_std,
- "Audio standard. XC3028 audio decoder explicitly needs to know what audio\n"
- "standard is needed for some video standards with audio A2 or NICAM.\n"
- "The valid values are:\n"
- "A2\n"
- "A2/A\n"
- "A2/B\n"
- "NICAM\n"
- "NICAM/A\n"
- "NICAM/B\n");
-
-static char firmware_name[30];
-module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
-MODULE_PARM_DESC(firmware_name,
- "Firmware file name. Allows overriding the default firmware name\n");
-
-static LIST_HEAD(hybrid_tuner_instance_list);
-static DEFINE_MUTEX(xc2028_list_mutex);
-
-/* struct for storing firmware table */
-struct firmware_description {
- unsigned int type;
- v4l2_std_id id;
- __u16 int_freq;
- unsigned char *ptr;
- unsigned int size;
-};
-
-struct firmware_properties {
- unsigned int type;
- v4l2_std_id id;
- v4l2_std_id std_req;
- __u16 int_freq;
- unsigned int scode_table;
- int scode_nr;
-};
-
-enum xc2028_state {
- XC2028_NO_FIRMWARE = 0,
- XC2028_WAITING_FIRMWARE,
- XC2028_ACTIVE,
- XC2028_SLEEP,
- XC2028_NODEV,
-};
-
-struct xc2028_data {
- struct list_head hybrid_tuner_instance_list;
- struct tuner_i2c_props i2c_props;
- __u32 frequency;
-
- enum xc2028_state state;
- const char *fname;
-
- struct firmware_description *firm;
- int firm_size;
- __u16 firm_version;
-
- __u16 hwmodel;
- __u16 hwvers;
-
- struct xc2028_ctrl ctrl;
-
- struct firmware_properties cur_fw;
-
- struct mutex lock;
-};
-
-#define i2c_send(priv, buf, size) ({ \
- int _rc; \
- _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \
- if (size != _rc) \
- tuner_info("i2c output error: rc = %d (should be %d)\n",\
- _rc, (int)size); \
- if (priv->ctrl.msleep) \
- msleep(priv->ctrl.msleep); \
- _rc; \
-})
-
-#define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \
- int _rc; \
- _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \
- ibuf, isize); \
- if (isize != _rc) \
- tuner_err("i2c input error: rc = %d (should be %d)\n", \
- _rc, (int)isize); \
- if (priv->ctrl.msleep) \
- msleep(priv->ctrl.msleep); \
- _rc; \
-})
-
-#define send_seq(priv, data...) ({ \
- static u8 _val[] = data; \
- int _rc; \
- if (sizeof(_val) != \
- (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \
- _val, sizeof(_val)))) { \
- tuner_err("Error on line %d: %d\n", __LINE__, _rc); \
- } else if (priv->ctrl.msleep) \
- msleep(priv->ctrl.msleep); \
- _rc; \
-})
-
-static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val)
-{
- unsigned char buf[2];
- unsigned char ibuf[2];
-
- tuner_dbg("%s %04x called\n", __func__, reg);
-
- buf[0] = reg >> 8;
- buf[1] = (unsigned char) reg;
-
- if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2)
- return -EIO;
-
- *val = (ibuf[1]) | (ibuf[0] << 8);
- return 0;
-}
-
-#define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0)
-static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq)
-{
- if (type & BASE)
- printk(KERN_CONT "BASE ");
- if (type & INIT1)
- printk(KERN_CONT "INIT1 ");
- if (type & F8MHZ)
- printk(KERN_CONT "F8MHZ ");
- if (type & MTS)
- printk(KERN_CONT "MTS ");
- if (type & D2620)
- printk(KERN_CONT "D2620 ");
- if (type & D2633)
- printk(KERN_CONT "D2633 ");
- if (type & DTV6)
- printk(KERN_CONT "DTV6 ");
- if (type & QAM)
- printk(KERN_CONT "QAM ");
- if (type & DTV7)
- printk(KERN_CONT "DTV7 ");
- if (type & DTV78)
- printk(KERN_CONT "DTV78 ");
- if (type & DTV8)
- printk(KERN_CONT "DTV8 ");
- if (type & FM)
- printk(KERN_CONT "FM ");
- if (type & INPUT1)
- printk(KERN_CONT "INPUT1 ");
- if (type & LCD)
- printk(KERN_CONT "LCD ");
- if (type & NOGD)
- printk(KERN_CONT "NOGD ");
- if (type & MONO)
- printk(KERN_CONT "MONO ");
- if (type & ATSC)
- printk(KERN_CONT "ATSC ");
- if (type & IF)
- printk(KERN_CONT "IF ");
- if (type & LG60)
- printk(KERN_CONT "LG60 ");
- if (type & ATI638)
- printk(KERN_CONT "ATI638 ");
- if (type & OREN538)
- printk(KERN_CONT "OREN538 ");
- if (type & OREN36)
- printk(KERN_CONT "OREN36 ");
- if (type & TOYOTA388)
- printk(KERN_CONT "TOYOTA388 ");
- if (type & TOYOTA794)
- printk(KERN_CONT "TOYOTA794 ");
- if (type & DIBCOM52)
- printk(KERN_CONT "DIBCOM52 ");
- if (type & ZARLINK456)
- printk(KERN_CONT "ZARLINK456 ");
- if (type & CHINA)
- printk(KERN_CONT "CHINA ");
- if (type & F6MHZ)
- printk(KERN_CONT "F6MHZ ");
- if (type & INPUT2)
- printk(KERN_CONT "INPUT2 ");
- if (type & SCODE)
- printk(KERN_CONT "SCODE ");
- if (type & HAS_IF)
- printk(KERN_CONT "HAS_IF_%d ", int_freq);
-}
-
-static v4l2_std_id parse_audio_std_option(void)
-{
- if (strcasecmp(audio_std, "A2") == 0)
- return V4L2_STD_A2;
- if (strcasecmp(audio_std, "A2/A") == 0)
- return V4L2_STD_A2_A;
- if (strcasecmp(audio_std, "A2/B") == 0)
- return V4L2_STD_A2_B;
- if (strcasecmp(audio_std, "NICAM") == 0)
- return V4L2_STD_NICAM;
- if (strcasecmp(audio_std, "NICAM/A") == 0)
- return V4L2_STD_NICAM_A;
- if (strcasecmp(audio_std, "NICAM/B") == 0)
- return V4L2_STD_NICAM_B;
-
- return 0;
-}
-
-static int check_device_status(struct xc2028_data *priv)
-{
- switch (priv->state) {
- case XC2028_NO_FIRMWARE:
- case XC2028_WAITING_FIRMWARE:
- return -EAGAIN;
- case XC2028_ACTIVE:
- return 1;
- case XC2028_SLEEP:
- return 0;
- case XC2028_NODEV:
- return -ENODEV;
- }
- return 0;
-}
-
-static void free_firmware(struct xc2028_data *priv)
-{
- int i;
- tuner_dbg("%s called\n", __func__);
-
- /* free allocated f/w string */
- if (priv->fname != firmware_name)
- kfree(priv->fname);
- priv->fname = NULL;
-
- priv->state = XC2028_NO_FIRMWARE;
- memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
-
- if (!priv->firm)
- return;
-
- for (i = 0; i < priv->firm_size; i++)
- kfree(priv->firm[i].ptr);
-
- kfree(priv->firm);
-
- priv->firm = NULL;
- priv->firm_size = 0;
-}
-
-static int load_all_firmwares(struct dvb_frontend *fe,
- const struct firmware *fw)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- const unsigned char *p, *endp;
- int rc = 0;
- int n, n_array;
- char name[33];
-
- tuner_dbg("%s called\n", __func__);
-
- p = fw->data;
- endp = p + fw->size;
-
- if (fw->size < sizeof(name) - 1 + 2 + 2) {
- tuner_err("Error: firmware file %s has invalid size!\n",
- priv->fname);
- goto corrupt;
- }
-
- memcpy(name, p, sizeof(name) - 1);
- name[sizeof(name) - 1] = 0;
- p += sizeof(name) - 1;
-
- priv->firm_version = get_unaligned_le16(p);
- p += 2;
-
- n_array = get_unaligned_le16(p);
- p += 2;
-
- tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n",
- n_array, priv->fname, name,
- priv->firm_version >> 8, priv->firm_version & 0xff);
-
- priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL);
- if (priv->firm == NULL) {
- tuner_err("Not enough memory to load firmware file.\n");
- rc = -ENOMEM;
- goto err;
- }
- priv->firm_size = n_array;
-
- n = -1;
- while (p < endp) {
- __u32 type, size;
- v4l2_std_id id;
- __u16 int_freq = 0;
-
- n++;
- if (n >= n_array) {
- tuner_err("More firmware images in file than were expected!\n");
- goto corrupt;
- }
-
- /* Checks if there's enough bytes to read */
- if (endp - p < sizeof(type) + sizeof(id) + sizeof(size))
- goto header;
-
- type = get_unaligned_le32(p);
- p += sizeof(type);
-
- id = get_unaligned_le64(p);
- p += sizeof(id);
-
- if (type & HAS_IF) {
- int_freq = get_unaligned_le16(p);
- p += sizeof(int_freq);
- if (endp - p < sizeof(size))
- goto header;
- }
-
- size = get_unaligned_le32(p);
- p += sizeof(size);
-
- if (!size || size > endp - p) {
- tuner_err("Firmware type ");
- dump_firm_type(type);
- printk(KERN_CONT
- "(%x), id %llx is corrupted (size=%zd, expected %d)\n",
- type, (unsigned long long)id, (endp - p), size);
- goto corrupt;
- }
-
- priv->firm[n].ptr = kmemdup(p, size, GFP_KERNEL);
- if (priv->firm[n].ptr == NULL) {
- tuner_err("Not enough memory to load firmware file.\n");
- rc = -ENOMEM;
- goto err;
- }
- tuner_dbg("Reading firmware type ");
- if (debug) {
- dump_firm_type_and_int_freq(type, int_freq);
- printk(KERN_CONT "(%x), id %llx, size=%d.\n",
- type, (unsigned long long)id, size);
- }
-
- priv->firm[n].type = type;
- priv->firm[n].id = id;
- priv->firm[n].size = size;
- priv->firm[n].int_freq = int_freq;
-
- p += size;
- }
-
- if (n + 1 != priv->firm_size) {
- tuner_err("Firmware file is incomplete!\n");
- goto corrupt;
- }
-
- goto done;
-
-header:
- tuner_err("Firmware header is incomplete!\n");
-corrupt:
- rc = -EINVAL;
- tuner_err("Error: firmware file is corrupted!\n");
-
-err:
- tuner_info("Releasing partially loaded firmware file.\n");
- free_firmware(priv);
-
-done:
- if (rc == 0)
- tuner_dbg("Firmware files loaded.\n");
- else
- priv->state = XC2028_NODEV;
-
- return rc;
-}
-
-static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
- v4l2_std_id *id)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int i, best_i = -1, best_nr_matches = 0;
- unsigned int type_mask = 0;
-
- tuner_dbg("%s called, want type=", __func__);
- if (debug) {
- dump_firm_type(type);
- printk(KERN_CONT "(%x), id %016llx.\n",
- type, (unsigned long long)*id);
- }
-
- if (!priv->firm) {
- tuner_err("Error! firmware not loaded\n");
- return -EINVAL;
- }
-
- if (((type & ~SCODE) == 0) && (*id == 0))
- *id = V4L2_STD_PAL;
-
- if (type & BASE)
- type_mask = BASE_TYPES;
- else if (type & SCODE) {
- type &= SCODE_TYPES;
- type_mask = SCODE_TYPES & ~HAS_IF;
- } else if (type & DTV_TYPES)
- type_mask = DTV_TYPES;
- else if (type & STD_SPECIFIC_TYPES)
- type_mask = STD_SPECIFIC_TYPES;
-
- type &= type_mask;
-
- if (!(type & SCODE))
- type_mask = ~0;
-
- /* Seek for exact match */
- for (i = 0; i < priv->firm_size; i++) {
- if ((type == (priv->firm[i].type & type_mask)) &&
- (*id == priv->firm[i].id))
- goto found;
- }
-
- /* Seek for generic video standard match */
- for (i = 0; i < priv->firm_size; i++) {
- v4l2_std_id match_mask;
- int nr_matches;
-
- if (type != (priv->firm[i].type & type_mask))
- continue;
-
- match_mask = *id & priv->firm[i].id;
- if (!match_mask)
- continue;
-
- if ((*id & match_mask) == *id)
- goto found; /* Supports all the requested standards */
-
- nr_matches = hweight64(match_mask);
- if (nr_matches > best_nr_matches) {
- best_nr_matches = nr_matches;
- best_i = i;
- }
- }
-
- if (best_nr_matches > 0) {
- tuner_dbg("Selecting best matching firmware (%d bits) for type=",
- best_nr_matches);
- dump_firm_type(type);
- printk(KERN_CONT
- "(%x), id %016llx:\n", type, (unsigned long long)*id);
- i = best_i;
- goto found;
- }
-
- /*FIXME: Would make sense to seek for type "hint" match ? */
-
- i = -ENOENT;
- goto ret;
-
-found:
- *id = priv->firm[i].id;
-
-ret:
- tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found");
- if (debug) {
- dump_firm_type(type);
- printk(KERN_CONT "(%x), id %016llx.\n",
- type, (unsigned long long)*id);
- }
- return i;
-}
-
-static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg)
-{
- struct xc2028_data *priv = fe->tuner_priv;
-
- /* analog side (tuner-core) uses i2c_adap->algo_data.
- * digital side is not guaranteed to have algo_data defined.
- *
- * digital side will always have fe->dvb defined.
- * analog side (tuner-core) doesn't (yet) define fe->dvb.
- */
-
- return (!fe->callback) ? -EINVAL :
- fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
- fe->dvb->priv : priv->i2c_props.adap->algo_data,
- DVB_FRONTEND_COMPONENT_TUNER, cmd, arg);
-}
-
-static int load_firmware(struct dvb_frontend *fe, unsigned int type,
- v4l2_std_id *id)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int pos, rc;
- unsigned char *p, *endp, buf[MAX_XFER_SIZE];
-
- if (priv->ctrl.max_len > sizeof(buf))
- priv->ctrl.max_len = sizeof(buf);
-
- tuner_dbg("%s called\n", __func__);
-
- pos = seek_firmware(fe, type, id);
- if (pos < 0)
- return pos;
-
- tuner_info("Loading firmware for type=");
- dump_firm_type(priv->firm[pos].type);
- printk(KERN_CONT "(%x), id %016llx.\n",
- priv->firm[pos].type, (unsigned long long)*id);
-
- p = priv->firm[pos].ptr;
- endp = p + priv->firm[pos].size;
-
- while (p < endp) {
- __u16 size;
-
- /* Checks if there's enough bytes to read */
- if (p + sizeof(size) > endp) {
- tuner_err("Firmware chunk size is wrong\n");
- return -EINVAL;
- }
-
- size = le16_to_cpu(*(__le16 *) p);
- p += sizeof(size);
-
- if (size == 0xffff)
- return 0;
-
- if (!size) {
- /* Special callback command received */
- rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
- if (rc < 0) {
- tuner_err("Error at RESET code %d\n",
- (*p) & 0x7f);
- return -EINVAL;
- }
- continue;
- }
- if (size >= 0xff00) {
- switch (size) {
- case 0xff00:
- rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0);
- if (rc < 0) {
- tuner_err("Error at RESET code %d\n",
- (*p) & 0x7f);
- return -EINVAL;
- }
- break;
- default:
- tuner_info("Invalid RESET code %d\n",
- size & 0x7f);
- return -EINVAL;
-
- }
- continue;
- }
-
- /* Checks for a sleep command */
- if (size & 0x8000) {
- msleep(size & 0x7fff);
- continue;
- }
-
- if ((size + p > endp)) {
- tuner_err("missing bytes: need %d, have %zd\n",
- size, (endp - p));
- return -EINVAL;
- }
-
- buf[0] = *p;
- p++;
- size--;
-
- /* Sends message chunks */
- while (size > 0) {
- int len = (size < priv->ctrl.max_len - 1) ?
- size : priv->ctrl.max_len - 1;
-
- memcpy(buf + 1, p, len);
-
- rc = i2c_send(priv, buf, len + 1);
- if (rc < 0) {
- tuner_err("%d returned from send\n", rc);
- return -EINVAL;
- }
-
- p += len;
- size -= len;
- }
-
- /* silently fail if the frontend doesn't support I2C flush */
- rc = do_tuner_callback(fe, XC2028_I2C_FLUSH, 0);
- if ((rc < 0) && (rc != -EINVAL)) {
- tuner_err("error executing flush: %d\n", rc);
- return rc;
- }
- }
- return 0;
-}
-
-static int load_scode(struct dvb_frontend *fe, unsigned int type,
- v4l2_std_id *id, __u16 int_freq, int scode)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int pos, rc;
- unsigned char *p;
-
- tuner_dbg("%s called\n", __func__);
-
- if (!int_freq) {
- pos = seek_firmware(fe, type, id);
- if (pos < 0)
- return pos;
- } else {
- for (pos = 0; pos < priv->firm_size; pos++) {
- if ((priv->firm[pos].int_freq == int_freq) &&
- (priv->firm[pos].type & HAS_IF))
- break;
- }
- if (pos == priv->firm_size)
- return -ENOENT;
- }
-
- p = priv->firm[pos].ptr;
-
- if (priv->firm[pos].type & HAS_IF) {
- if (priv->firm[pos].size != 12 * 16 || scode >= 16)
- return -EINVAL;
- p += 12 * scode;
- } else {
- /* 16 SCODE entries per file; each SCODE entry is 12 bytes and
- * has a 2-byte size header in the firmware format. */
- if (priv->firm[pos].size != 14 * 16 || scode >= 16 ||
- le16_to_cpu(*(__le16 *)(p + 14 * scode)) != 12)
- return -EINVAL;
- p += 14 * scode + 2;
- }
-
- tuner_info("Loading SCODE for type=");
- dump_firm_type_and_int_freq(priv->firm[pos].type,
- priv->firm[pos].int_freq);
- printk(KERN_CONT "(%x), id %016llx.\n", priv->firm[pos].type,
- (unsigned long long)*id);
-
- if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00});
- else
- rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00});
- if (rc < 0)
- return -EIO;
-
- rc = i2c_send(priv, p, 12);
- if (rc < 0)
- return -EIO;
-
- rc = send_seq(priv, {0x00, 0x8c});
- if (rc < 0)
- return -EIO;
-
- return 0;
-}
-
-static int xc2028_sleep(struct dvb_frontend *fe);
-
-static int check_firmware(struct dvb_frontend *fe, unsigned int type,
- v4l2_std_id std, __u16 int_freq)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- struct firmware_properties new_fw;
- int rc, retry_count = 0;
- u16 version, hwmodel;
- v4l2_std_id std0;
-
- tuner_dbg("%s called\n", __func__);
-
- rc = check_device_status(priv);
- if (rc < 0)
- return rc;
-
- if (priv->ctrl.mts && !(type & FM))
- type |= MTS;
-
-retry:
- new_fw.type = type;
- new_fw.id = std;
- new_fw.std_req = std;
- new_fw.scode_table = SCODE | priv->ctrl.scode_table;
- new_fw.scode_nr = 0;
- new_fw.int_freq = int_freq;
-
- tuner_dbg("checking firmware, user requested type=");
- if (debug) {
- dump_firm_type(new_fw.type);
- printk(KERN_CONT "(%x), id %016llx, ", new_fw.type,
- (unsigned long long)new_fw.std_req);
- if (!int_freq) {
- printk(KERN_CONT "scode_tbl ");
- dump_firm_type(priv->ctrl.scode_table);
- printk(KERN_CONT "(%x), ", priv->ctrl.scode_table);
- } else
- printk(KERN_CONT "int_freq %d, ", new_fw.int_freq);
- printk(KERN_CONT "scode_nr %d\n", new_fw.scode_nr);
- }
-
- /*
- * No need to reload base firmware if it matches and if the tuner
- * is not at sleep mode
- */
- if ((priv->state == XC2028_ACTIVE) &&
- (((BASE | new_fw.type) & BASE_TYPES) ==
- (priv->cur_fw.type & BASE_TYPES))) {
- tuner_dbg("BASE firmware not changed.\n");
- goto skip_base;
- }
-
- /* Updating BASE - forget about all currently loaded firmware */
- memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
-
- /* Reset is needed before loading firmware */
- rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
- if (rc < 0)
- goto fail;
-
- /* BASE firmwares are all std0 */
- std0 = 0;
- rc = load_firmware(fe, BASE | new_fw.type, &std0);
- if (rc < 0) {
- tuner_err("Error %d while loading base firmware\n",
- rc);
- goto fail;
- }
-
- /* Load INIT1, if needed */
- tuner_dbg("Load init1 firmware, if exists\n");
-
- rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0);
- if (rc == -ENOENT)
- rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ,
- &std0);
- if (rc < 0 && rc != -ENOENT) {
- tuner_err("Error %d while loading init1 firmware\n",
- rc);
- goto fail;
- }
-
-skip_base:
- /*
- * No need to reload standard specific firmware if base firmware
- * was not reloaded and requested video standards have not changed.
- */
- if (priv->cur_fw.type == (BASE | new_fw.type) &&
- priv->cur_fw.std_req == std) {
- tuner_dbg("Std-specific firmware already loaded.\n");
- goto skip_std_specific;
- }
-
- /* Reloading std-specific firmware forces a SCODE update */
- priv->cur_fw.scode_table = 0;
-
- rc = load_firmware(fe, new_fw.type, &new_fw.id);
- if (rc == -ENOENT)
- rc = load_firmware(fe, new_fw.type & ~F8MHZ, &new_fw.id);
-
- if (rc < 0)
- goto fail;
-
-skip_std_specific:
- if (priv->cur_fw.scode_table == new_fw.scode_table &&
- priv->cur_fw.scode_nr == new_fw.scode_nr) {
- tuner_dbg("SCODE firmware already loaded.\n");
- goto check_device;
- }
-
- if (new_fw.type & FM)
- goto check_device;
-
- /* Load SCODE firmware, if exists */
- tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr);
-
- rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id,
- new_fw.int_freq, new_fw.scode_nr);
-
-check_device:
- if (xc2028_get_reg(priv, 0x0004, &version) < 0 ||
- xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) {
- tuner_err("Unable to read tuner registers.\n");
- goto fail;
- }
-
- tuner_dbg("Device is Xceive %d version %d.%d, firmware version %d.%d\n",
- hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8,
- (version & 0xf0) >> 4, version & 0xf);
-
-
- if (priv->ctrl.read_not_reliable)
- goto read_not_reliable;
-
- /* Check firmware version against what we downloaded. */
- if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) {
- if (!priv->ctrl.read_not_reliable) {
- tuner_err("Incorrect readback of firmware version.\n");
- goto fail;
- } else {
- tuner_err("Returned an incorrect version. However, read is not reliable enough. Ignoring it.\n");
- hwmodel = 3028;
- }
- }
-
- /* Check that the tuner hardware model remains consistent over time. */
- if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) {
- priv->hwmodel = hwmodel;
- priv->hwvers = version & 0xff00;
- } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
- priv->hwvers != (version & 0xff00)) {
- tuner_err("Read invalid device hardware information - tuner hung?\n");
- goto fail;
- }
-
-read_not_reliable:
- priv->cur_fw = new_fw;
-
- /*
- * By setting BASE in cur_fw.type only after successfully loading all
- * firmwares, we can:
- * 1. Identify that BASE firmware with type=0 has been loaded;
- * 2. Tell whether BASE firmware was just changed the next time through.
- */
- priv->cur_fw.type |= BASE;
- priv->state = XC2028_ACTIVE;
-
- return 0;
-
-fail:
- free_firmware(priv);
-
- if (retry_count < 8) {
- msleep(50);
- retry_count++;
- tuner_dbg("Retrying firmware load\n");
- goto retry;
- }
-
- /* Firmware didn't load. Put the device to sleep */
- xc2028_sleep(fe);
-
- if (rc == -ENOENT)
- rc = -EINVAL;
- return rc;
-}
-
-static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- u16 frq_lock, signal = 0;
- int rc, i;
-
- tuner_dbg("%s called\n", __func__);
-
- rc = check_device_status(priv);
- if (rc < 0)
- return rc;
-
- /* If the device is sleeping, no channel is tuned */
- if (!rc) {
- *strength = 0;
- return 0;
- }
-
- mutex_lock(&priv->lock);
-
- /* Sync Lock Indicator */
- for (i = 0; i < 3; i++) {
- rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);
- if (rc < 0)
- goto ret;
-
- if (frq_lock)
- break;
- msleep(6);
- }
-
- /* Frequency didn't lock */
- if (frq_lock == 2)
- goto ret;
-
- /* Get SNR of the video signal */
- rc = xc2028_get_reg(priv, XREG_SNR, &signal);
- if (rc < 0)
- goto ret;
-
- /* Signal level is 3 bits only */
-
- signal = ((1 << 12) - 1) | ((signal & 0x07) << 12);
-
-ret:
- mutex_unlock(&priv->lock);
-
- *strength = signal;
-
- tuner_dbg("signal strength is %d\n", signal);
-
- return rc;
-}
-
-static int xc2028_get_afc(struct dvb_frontend *fe, s32 *afc)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int i, rc;
- u16 frq_lock = 0;
- s16 afc_reg = 0;
-
- rc = check_device_status(priv);
- if (rc < 0)
- return rc;
-
- /* If the device is sleeping, no channel is tuned */
- if (!rc) {
- *afc = 0;
- return 0;
- }
-
- mutex_lock(&priv->lock);
-
- /* Sync Lock Indicator */
- for (i = 0; i < 3; i++) {
- rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);
- if (rc < 0)
- goto ret;
-
- if (frq_lock)
- break;
- msleep(6);
- }
-
- /* Frequency didn't lock */
- if (frq_lock == 2)
- goto ret;
-
- /* Get AFC */
- rc = xc2028_get_reg(priv, XREG_FREQ_ERROR, &afc_reg);
- if (rc < 0)
- goto ret;
-
- *afc = afc_reg * 15625; /* Hz */
-
- tuner_dbg("AFC is %d Hz\n", *afc);
-
-ret:
- mutex_unlock(&priv->lock);
-
- return rc;
-}
-
-#define DIV 15625
-
-static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
- enum v4l2_tuner_type new_type,
- unsigned int type,
- v4l2_std_id std,
- u16 int_freq)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int rc = -EINVAL;
- unsigned char buf[4];
- u32 div, offset = 0;
-
- tuner_dbg("%s called\n", __func__);
-
- mutex_lock(&priv->lock);
-
- tuner_dbg("should set frequency %d kHz\n", freq / 1000);
-
- if (check_firmware(fe, type, std, int_freq) < 0)
- goto ret;
-
- /* On some cases xc2028 can disable video output, if
- * very weak signals are received. By sending a soft
- * reset, this is re-enabled. So, it is better to always
- * send a soft reset before changing channels, to be sure
- * that xc2028 will be in a safe state.
- * Maybe this might also be needed for DTV.
- */
- switch (new_type) {
- case V4L2_TUNER_ANALOG_TV:
- rc = send_seq(priv, {0x00, 0x00});
-
- /* Analog mode requires offset = 0 */
- break;
- case V4L2_TUNER_RADIO:
- /* Radio mode requires offset = 0 */
- break;
- case V4L2_TUNER_DIGITAL_TV:
- /*
- * Digital modes require an offset to adjust to the
- * proper frequency. The offset depends on what
- * firmware version is used.
- */
-
- /*
- * Adjust to the center frequency. This is calculated by the
- * formula: offset = 1.25MHz - BW/2
- * For DTV 7/8, the firmware uses BW = 8000, so it needs a
- * further adjustment to get the frequency center on VHF
- */
-
- /*
- * The firmware DTV78 used to work fine in UHF band (8 MHz
- * bandwidth) but not at all in VHF band (7 MHz bandwidth).
- * The real problem was connected to the formula used to
- * calculate the center frequency offset in VHF band.
- * In fact, removing the 500KHz adjustment fixed the problem.
- * This is coherent to what was implemented for the DTV7
- * firmware.
- * In the end, now the center frequency is the same for all 3
- * firmwares (DTV7, DTV8, DTV78) and doesn't depend on channel
- * bandwidth.
- */
-
- if (priv->cur_fw.type & DTV6)
- offset = 1750000;
- else /* DTV7 or DTV8 or DTV78 */
- offset = 2750000;
-
- /*
- * xc3028 additional "magic"
- * Depending on the firmware version, it needs some adjustments
- * to properly centralize the frequency. This seems to be
- * needed to compensate the SCODE table adjustments made by
- * newer firmwares
- */
-
- /*
- * The proper adjustment would be to do it at s-code table.
- * However, this didn't work, as reported by
- * Robert Lowery <rglowery@exemail.com.au>
- */
-
-#if 0
- /*
- * Still need tests for XC3028L (firmware 3.2 or upper)
- * So, for now, let's just comment the per-firmware
- * version of this change. Reports with xc3028l working
- * with and without the lines below are welcome
- */
-
- if (priv->firm_version < 0x0302) {
- if (priv->cur_fw.type & DTV7)
- offset += 500000;
- } else {
- if (priv->cur_fw.type & DTV7)
- offset -= 300000;
- else if (type != ATSC) /* DVB @6MHz, DTV 8 and DTV 7/8 */
- offset += 200000;
- }
-#endif
- break;
- default:
- tuner_err("Unsupported tuner type %d.\n", new_type);
- break;
- }
-
- div = (freq - offset + DIV / 2) / DIV;
-
- /* CMD= Set frequency */
- if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00});
- else
- rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00});
- if (rc < 0)
- goto ret;
-
- /* Return code shouldn't be checked.
- The reset CLK is needed only with tm6000.
- Driver should work fine even if this fails.
- */
- if (priv->ctrl.msleep)
- msleep(priv->ctrl.msleep);
- do_tuner_callback(fe, XC2028_RESET_CLK, 1);
-
- msleep(10);
-
- buf[0] = 0xff & (div >> 24);
- buf[1] = 0xff & (div >> 16);
- buf[2] = 0xff & (div >> 8);
- buf[3] = 0xff & (div);
-
- rc = i2c_send(priv, buf, sizeof(buf));
- if (rc < 0)
- goto ret;
- msleep(100);
-
- priv->frequency = freq;
-
- tuner_dbg("divisor= %*ph (freq=%d.%03d)\n", 4, buf,
- freq / 1000000, (freq % 1000000) / 1000);
-
- rc = 0;
-
-ret:
- mutex_unlock(&priv->lock);
-
- return rc;
-}
-
-static int xc2028_set_analog_freq(struct dvb_frontend *fe,
- struct analog_parameters *p)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- unsigned int type=0;
-
- tuner_dbg("%s called\n", __func__);
-
- if (p->mode == V4L2_TUNER_RADIO) {
- type |= FM;
- if (priv->ctrl.input1)
- type |= INPUT1;
- return generic_set_freq(fe, (625l * p->frequency) / 10,
- V4L2_TUNER_RADIO, type, 0, 0);
- }
-
- /* if std is not defined, choose one */
- if (!p->std)
- p->std = V4L2_STD_MN;
-
- /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */
- if (!(p->std & V4L2_STD_MN))
- type |= F8MHZ;
-
- /* Add audio hack to std mask */
- p->std |= parse_audio_std_option();
-
- return generic_set_freq(fe, 62500l * p->frequency,
- V4L2_TUNER_ANALOG_TV, type, p->std, 0);
-}
-
-static int xc2028_set_params(struct dvb_frontend *fe)
-{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- u32 delsys = c->delivery_system;
- u32 bw = c->bandwidth_hz;
- struct xc2028_data *priv = fe->tuner_priv;
- int rc;
- unsigned int type = 0;
- u16 demod = 0;
-
- tuner_dbg("%s called\n", __func__);
-
- rc = check_device_status(priv);
- if (rc < 0)
- return rc;
-
- switch (delsys) {
- case SYS_DVBT:
- case SYS_DVBT2:
- /*
- * The only countries with 6MHz seem to be Taiwan/Uruguay.
- * Both seem to require QAM firmware for OFDM decoding
- * Tested in Taiwan by Terry Wu <terrywu2009@gmail.com>
- */
- if (bw <= 6000000)
- type |= QAM;
-
- switch (priv->ctrl.type) {
- case XC2028_D2633:
- type |= D2633;
- break;
- case XC2028_D2620:
- type |= D2620;
- break;
- case XC2028_AUTO:
- default:
- /* Zarlink seems to need D2633 */
- if (priv->ctrl.demod == XC3028_FE_ZARLINK456)
- type |= D2633;
- else
- type |= D2620;
- }
- break;
- case SYS_ATSC:
- /* The only ATSC firmware (at least on v2.7) is D2633 */
- type |= ATSC | D2633;
- break;
- /* DVB-S and pure QAM (FE_QAM) are not supported */
- default:
- return -EINVAL;
- }
-
- if (bw <= 6000000) {
- type |= DTV6;
- priv->ctrl.vhfbw7 = 0;
- priv->ctrl.uhfbw8 = 0;
- } else if (bw <= 7000000) {
- if (c->frequency < 470000000)
- priv->ctrl.vhfbw7 = 1;
- else
- priv->ctrl.uhfbw8 = 0;
- type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7;
- type |= F8MHZ;
- } else {
- if (c->frequency < 470000000)
- priv->ctrl.vhfbw7 = 0;
- else
- priv->ctrl.uhfbw8 = 1;
- type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8;
- type |= F8MHZ;
- }
-
- /* All S-code tables need a 200kHz shift */
- if (priv->ctrl.demod) {
- demod = priv->ctrl.demod;
-
- /*
- * Newer firmwares require a 200 kHz offset only for ATSC
- */
- if (type == ATSC || priv->firm_version < 0x0302)
- demod += 200;
- /*
- * The DTV7 S-code table needs a 700 kHz shift.
- *
- * DTV7 is only used in Australia. Germany or Italy may also
- * use this firmware after initialization, but a tune to a UHF
- * channel should then cause DTV78 to be used.
- *
- * Unfortunately, on real-field tests, the s-code offset
- * didn't work as expected, as reported by
- * Robert Lowery <rglowery@exemail.com.au>
- */
- }
-
- return generic_set_freq(fe, c->frequency,
- V4L2_TUNER_DIGITAL_TV, type, 0, demod);
-}
-
-static int xc2028_sleep(struct dvb_frontend *fe)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int rc;
-
- rc = check_device_status(priv);
- if (rc < 0)
- return rc;
-
- /* Device is already in sleep mode */
- if (!rc)
- return 0;
-
- /* Avoid firmware reload on slow devices or if PM disabled */
- if (no_poweroff || priv->ctrl.disable_power_mgmt)
- return 0;
-
- tuner_dbg("Putting xc2028/3028 into poweroff mode.\n");
- if (debug > 1) {
- tuner_dbg("Printing sleep stack trace:\n");
- dump_stack();
- }
-
- mutex_lock(&priv->lock);
-
- if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00});
- else
- rc = send_seq(priv, {0x80, XREG_POWER_DOWN, 0x00, 0x00});
-
- if (rc >= 0)
- priv->state = XC2028_SLEEP;
-
- mutex_unlock(&priv->lock);
-
- return rc;
-}
-
-static void xc2028_dvb_release(struct dvb_frontend *fe)
-{
- struct xc2028_data *priv = fe->tuner_priv;
-
- tuner_dbg("%s called\n", __func__);
-
- mutex_lock(&xc2028_list_mutex);
-
- /* only perform final cleanup if this is the last instance */
- if (hybrid_tuner_report_instance_count(priv) == 1)
- free_firmware(priv);
-
- if (priv)
- hybrid_tuner_release_state(priv);
-
- mutex_unlock(&xc2028_list_mutex);
-
- fe->tuner_priv = NULL;
-}
-
-static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- int rc;
-
- tuner_dbg("%s called\n", __func__);
-
- rc = check_device_status(priv);
- if (rc < 0)
- return rc;
-
- *frequency = priv->frequency;
-
- return 0;
-}
-
-static void load_firmware_cb(const struct firmware *fw,
- void *context)
-{
- struct dvb_frontend *fe = context;
- struct xc2028_data *priv = fe->tuner_priv;
- int rc;
-
- tuner_dbg("request_firmware_nowait(): %s\n", fw ? "OK" : "error");
- if (!fw) {
- tuner_err("Could not load firmware %s.\n", priv->fname);
- priv->state = XC2028_NODEV;
- return;
- }
-
- rc = load_all_firmwares(fe, fw);
-
- release_firmware(fw);
-
- if (rc < 0)
- return;
- priv->state = XC2028_ACTIVE;
-}
-
-static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
-{
- struct xc2028_data *priv = fe->tuner_priv;
- struct xc2028_ctrl *p = priv_cfg;
- int rc = 0;
-
- tuner_dbg("%s called\n", __func__);
-
- mutex_lock(&priv->lock);
-
- /*
- * Copy the config data.
- */
- memcpy(&priv->ctrl, p, sizeof(priv->ctrl));
-
- /*
- * If firmware name changed, frees firmware. As free_firmware will
- * reset the status to NO_FIRMWARE, this forces a new request_firmware
- */
- if (!firmware_name[0] && p->fname &&
- priv->fname && strcmp(p->fname, priv->fname))
- free_firmware(priv);
-
- if (priv->ctrl.max_len < 9)
- priv->ctrl.max_len = 13;
-
- if (priv->state == XC2028_NO_FIRMWARE) {
- if (!firmware_name[0])
- priv->fname = kstrdup(p->fname, GFP_KERNEL);
- else
- priv->fname = firmware_name;
-
- if (!priv->fname) {
- rc = -ENOMEM;
- goto unlock;
- }
-
- rc = request_firmware_nowait(THIS_MODULE, 1,
- priv->fname,
- priv->i2c_props.adap->dev.parent,
- GFP_KERNEL,
- fe, load_firmware_cb);
- if (rc < 0) {
- tuner_err("Failed to request firmware %s\n",
- priv->fname);
- priv->state = XC2028_NODEV;
- } else
- priv->state = XC2028_WAITING_FIRMWARE;
- }
-unlock:
- mutex_unlock(&priv->lock);
-
- return rc;
-}
-
-static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = {
- .info = {
- .name = "Xceive XC3028",
- .frequency_min_hz = 42 * MHz,
- .frequency_max_hz = 864 * MHz,
- .frequency_step_hz = 50 * kHz,
- },
-
- .set_config = xc2028_set_config,
- .set_analog_params = xc2028_set_analog_freq,
- .release = xc2028_dvb_release,
- .get_frequency = xc2028_get_frequency,
- .get_rf_strength = xc2028_signal,
- .get_afc = xc2028_get_afc,
- .set_params = xc2028_set_params,
- .sleep = xc2028_sleep,
-};
-
-struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
- struct xc2028_config *cfg)
-{
- struct xc2028_data *priv;
- int instance;
-
- if (debug)
- printk(KERN_DEBUG "xc2028: Xcv2028/3028 init called!\n");
-
- if (NULL == cfg)
- return NULL;
-
- if (!fe) {
- printk(KERN_ERR "xc2028: No frontend!\n");
- return NULL;
- }
-
- mutex_lock(&xc2028_list_mutex);
-
- instance = hybrid_tuner_request_state(struct xc2028_data, priv,
- hybrid_tuner_instance_list,
- cfg->i2c_adap, cfg->i2c_addr,
- "xc2028");
- switch (instance) {
- case 0:
- /* memory allocation failure */
- goto fail;
- case 1:
- /* new tuner instance */
- priv->ctrl.max_len = 13;
-
- mutex_init(&priv->lock);
-
- fe->tuner_priv = priv;
- break;
- case 2:
- /* existing tuner instance */
- fe->tuner_priv = priv;
- break;
- }
-
- memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops,
- sizeof(xc2028_dvb_tuner_ops));
-
- tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
-
- if (cfg->ctrl)
- xc2028_set_config(fe, cfg->ctrl);
-
- mutex_unlock(&xc2028_list_mutex);
-
- return fe;
-fail:
- mutex_unlock(&xc2028_list_mutex);
-
- xc2028_dvb_release(fe);
- return NULL;
-}
-
-EXPORT_SYMBOL(xc2028_attach);
-
-MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver");
-MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@kernel.org>");
-MODULE_LICENSE("GPL v2");
-MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);
-MODULE_FIRMWARE(XC3028L_DEFAULT_FIRMWARE);
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * tuner-xc2028
- *
- * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
- */
-
-#ifndef __TUNER_XC2028_H__
-#define __TUNER_XC2028_H__
-
-#include <media/dvb_frontend.h>
-
-#define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
-#define XC3028L_DEFAULT_FIRMWARE "xc3028L-v36.fw"
-
-/* Dmoduler IF (kHz) */
-#define XC3028_FE_DEFAULT 0 /* Don't load SCODE */
-#define XC3028_FE_LG60 6000
-#define XC3028_FE_ATI638 6380
-#define XC3028_FE_OREN538 5380
-#define XC3028_FE_OREN36 3600
-#define XC3028_FE_TOYOTA388 3880
-#define XC3028_FE_TOYOTA794 7940
-#define XC3028_FE_DIBCOM52 5200
-#define XC3028_FE_ZARLINK456 4560
-#define XC3028_FE_CHINA 5200
-
-enum firmware_type {
- XC2028_AUTO = 0, /* By default, auto-detects */
- XC2028_D2633,
- XC2028_D2620,
-};
-
-struct xc2028_ctrl {
- char *fname;
- int max_len;
- int msleep;
- unsigned int scode_table;
- unsigned int mts :1;
- unsigned int input1:1;
- unsigned int vhfbw7:1;
- unsigned int uhfbw8:1;
- unsigned int disable_power_mgmt:1;
- unsigned int read_not_reliable:1;
- unsigned int demod;
- enum firmware_type type:2;
-};
-
-struct xc2028_config {
- struct i2c_adapter *i2c_adap;
- u8 i2c_addr;
- struct xc2028_ctrl *ctrl;
-};
-
-/* xc2028 commands for callback */
-#define XC2028_TUNER_RESET 0
-#define XC2028_RESET_CLK 1
-#define XC2028_I2C_FLUSH 2
-
-#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC2028)
-extern struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
- struct xc2028_config *cfg);
-#else
-static inline struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
- struct xc2028_config *cfg)
-{
- printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
- __func__);
- return NULL;
-}
-#endif
-
-#endif /* __TUNER_XC2028_H__ */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * xc2028_types
+ *
+ * This file includes internal tipes to be used inside xc2028.
+ * Shouldn't be included outside xc2028
+ *
+ * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
+ */
+
+/* xc3028 firmware types */
+
+/* BASE firmware should be loaded before any other firmware */
+#define BASE (1<<0)
+#define BASE_TYPES (BASE|F8MHZ|MTS|FM|INPUT1|INPUT2|INIT1)
+
+/* F8MHZ marks BASE firmwares for 8 MHz Bandwidth */
+#define F8MHZ (1<<1)
+
+/* Multichannel Television Sound (MTS)
+ Those firmwares are capable of using xc2038 DSP to decode audio and
+ produce a baseband audio output on some pins of the chip.
+ There are MTS firmwares for the most used video standards. It should be
+ required to use MTS firmwares, depending on the way audio is routed into
+ the bridge chip
+ */
+#define MTS (1<<2)
+
+/* FIXME: I have no idea what's the difference between
+ D2620 and D2633 firmwares
+ */
+#define D2620 (1<<3)
+#define D2633 (1<<4)
+
+/* DTV firmwares for 6, 7 and 8 MHz
+ DTV6 - 6MHz - ATSC/DVB-C/DVB-T/ISDB-T/DOCSIS
+ DTV8 - 8MHz - DVB-C/DVB-T
+ */
+#define DTV6 (1 << 5)
+#define QAM (1 << 6)
+#define DTV7 (1<<7)
+#define DTV78 (1<<8)
+#define DTV8 (1<<9)
+
+#define DTV_TYPES (D2620|D2633|DTV6|QAM|DTV7|DTV78|DTV8|ATSC)
+
+/* There's a FM | BASE firmware + FM specific firmware (std=0) */
+#define FM (1<<10)
+
+#define STD_SPECIFIC_TYPES (MTS|FM|LCD|NOGD)
+
+/* Applies only for FM firmware
+ Makes it use RF input 1 (pin #2) instead of input 2 (pin #4)
+ */
+#define INPUT1 (1<<11)
+
+
+/* LCD firmwares exist only for MTS STD/MN (PAL or NTSC/M)
+ and for non-MTS STD/MN (PAL, NTSC/M or NTSC/Kr)
+ There are variants both with and without NOGD
+ Those firmwares produce better result with LCD displays
+ */
+#define LCD (1<<12)
+
+/* NOGD firmwares exist only for MTS STD/MN (PAL or NTSC/M)
+ and for non-MTS STD/MN (PAL, NTSC/M or NTSC/Kr)
+ The NOGD firmwares don't have group delay compensation filter
+ */
+#define NOGD (1<<13)
+
+/* Old firmwares were broken into init0 and init1 */
+#define INIT1 (1<<14)
+
+/* SCODE firmware selects particular behaviours */
+#define MONO (1 << 15)
+#define ATSC (1 << 16)
+#define IF (1 << 17)
+#define LG60 (1 << 18)
+#define ATI638 (1 << 19)
+#define OREN538 (1 << 20)
+#define OREN36 (1 << 21)
+#define TOYOTA388 (1 << 22)
+#define TOYOTA794 (1 << 23)
+#define DIBCOM52 (1 << 24)
+#define ZARLINK456 (1 << 25)
+#define CHINA (1 << 26)
+#define F6MHZ (1 << 27)
+#define INPUT2 (1 << 28)
+#define SCODE (1 << 29)
+
+/* This flag identifies that the scode table has a new format */
+#define HAS_IF (1 << 30)
+
+/* There are different scode tables for MTS and non-MTS.
+ The MTS firmwares support mono only
+ */
+#define SCODE_TYPES (SCODE | MTS)
+
+
+/* Newer types not defined on videodev2.h.
+ The original idea were to move all those types to videodev2.h, but
+ it seemed overkill, since, with the exception of SECAM/K3, the other
+ types seem to be autodetected.
+ It is not clear where secam/k3 is used, nor we have a feedback of this
+ working or being autodetected by the standard secam firmware.
+ */
+
+#define V4L2_STD_SECAM_K3 (0x04000000)
+
+/* Audio types */
+
+#define V4L2_STD_A2_A (1LL<<32)
+#define V4L2_STD_A2_B (1LL<<33)
+#define V4L2_STD_NICAM_A (1LL<<34)
+#define V4L2_STD_NICAM_B (1LL<<35)
+#define V4L2_STD_AM (1LL<<36)
+#define V4L2_STD_BTSC (1LL<<37)
+#define V4L2_STD_EIAJ (1LL<<38)
+
+#define V4L2_STD_A2 (V4L2_STD_A2_A | V4L2_STD_A2_B)
+#define V4L2_STD_NICAM (V4L2_STD_NICAM_A | V4L2_STD_NICAM_B)
+
+/* To preserve backward compatibility,
+ (std & V4L2_STD_AUDIO) = 0 means that ALL audio stds are supported
+ */
+
+#define V4L2_STD_AUDIO (V4L2_STD_A2 | \
+ V4L2_STD_NICAM | \
+ V4L2_STD_AM | \
+ V4L2_STD_BTSC | \
+ V4L2_STD_EIAJ)
+
+/* Used standards with audio restrictions */
+
+#define V4L2_STD_PAL_BG_A2_A (V4L2_STD_PAL_BG | V4L2_STD_A2_A)
+#define V4L2_STD_PAL_BG_A2_B (V4L2_STD_PAL_BG | V4L2_STD_A2_B)
+#define V4L2_STD_PAL_BG_NICAM_A (V4L2_STD_PAL_BG | V4L2_STD_NICAM_A)
+#define V4L2_STD_PAL_BG_NICAM_B (V4L2_STD_PAL_BG | V4L2_STD_NICAM_B)
+#define V4L2_STD_PAL_DK_A2 (V4L2_STD_PAL_DK | V4L2_STD_A2)
+#define V4L2_STD_PAL_DK_NICAM (V4L2_STD_PAL_DK | V4L2_STD_NICAM)
+#define V4L2_STD_SECAM_L_NICAM (V4L2_STD_SECAM_L | V4L2_STD_NICAM)
+#define V4L2_STD_SECAM_L_AM (V4L2_STD_SECAM_L | V4L2_STD_AM)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// xc2028
+//
+// Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
+//
+// Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com)
+// - frontend interface
+
+#include <linux/i2c.h>
+#include <asm/div64.h>
+#include <linux/firmware.h>
+#include <linux/videodev2.h>
+#include <linux/delay.h>
+#include <media/tuner.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <asm/unaligned.h>
+#include "tuner-i2c.h"
+#include "xc2028.h"
+#include "xc2028-types.h"
+
+#include <linux/dvb/frontend.h>
+#include <media/dvb_frontend.h>
+
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 80
+
+/* Registers (Write-only) */
+#define XREG_INIT 0x00
+#define XREG_RF_FREQ 0x02
+#define XREG_POWER_DOWN 0x08
+
+/* Registers (Read-only) */
+#define XREG_FREQ_ERROR 0x01
+#define XREG_LOCK 0x02
+#define XREG_VERSION 0x04
+#define XREG_PRODUCT_ID 0x08
+#define XREG_HSYNC_FREQ 0x10
+#define XREG_FRAME_LINES 0x20
+#define XREG_SNR 0x40
+
+#define XREG_ADC_ENV 0x0100
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
+static int no_poweroff;
+module_param(no_poweroff, int, 0644);
+MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
+ "1 keep device energized and with tuner ready all the times.\n"
+ " Faster, but consumes more power and keeps the device hotter\n");
+
+static char audio_std[8];
+module_param_string(audio_std, audio_std, sizeof(audio_std), 0);
+MODULE_PARM_DESC(audio_std,
+ "Audio standard. XC3028 audio decoder explicitly needs to know what audio\n"
+ "standard is needed for some video standards with audio A2 or NICAM.\n"
+ "The valid values are:\n"
+ "A2\n"
+ "A2/A\n"
+ "A2/B\n"
+ "NICAM\n"
+ "NICAM/A\n"
+ "NICAM/B\n");
+
+static char firmware_name[30];
+module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
+MODULE_PARM_DESC(firmware_name,
+ "Firmware file name. Allows overriding the default firmware name\n");
+
+static LIST_HEAD(hybrid_tuner_instance_list);
+static DEFINE_MUTEX(xc2028_list_mutex);
+
+/* struct for storing firmware table */
+struct firmware_description {
+ unsigned int type;
+ v4l2_std_id id;
+ __u16 int_freq;
+ unsigned char *ptr;
+ unsigned int size;
+};
+
+struct firmware_properties {
+ unsigned int type;
+ v4l2_std_id id;
+ v4l2_std_id std_req;
+ __u16 int_freq;
+ unsigned int scode_table;
+ int scode_nr;
+};
+
+enum xc2028_state {
+ XC2028_NO_FIRMWARE = 0,
+ XC2028_WAITING_FIRMWARE,
+ XC2028_ACTIVE,
+ XC2028_SLEEP,
+ XC2028_NODEV,
+};
+
+struct xc2028_data {
+ struct list_head hybrid_tuner_instance_list;
+ struct tuner_i2c_props i2c_props;
+ __u32 frequency;
+
+ enum xc2028_state state;
+ const char *fname;
+
+ struct firmware_description *firm;
+ int firm_size;
+ __u16 firm_version;
+
+ __u16 hwmodel;
+ __u16 hwvers;
+
+ struct xc2028_ctrl ctrl;
+
+ struct firmware_properties cur_fw;
+
+ struct mutex lock;
+};
+
+#define i2c_send(priv, buf, size) ({ \
+ int _rc; \
+ _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \
+ if (size != _rc) \
+ tuner_info("i2c output error: rc = %d (should be %d)\n",\
+ _rc, (int)size); \
+ if (priv->ctrl.msleep) \
+ msleep(priv->ctrl.msleep); \
+ _rc; \
+})
+
+#define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \
+ int _rc; \
+ _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \
+ ibuf, isize); \
+ if (isize != _rc) \
+ tuner_err("i2c input error: rc = %d (should be %d)\n", \
+ _rc, (int)isize); \
+ if (priv->ctrl.msleep) \
+ msleep(priv->ctrl.msleep); \
+ _rc; \
+})
+
+#define send_seq(priv, data...) ({ \
+ static u8 _val[] = data; \
+ int _rc; \
+ if (sizeof(_val) != \
+ (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \
+ _val, sizeof(_val)))) { \
+ tuner_err("Error on line %d: %d\n", __LINE__, _rc); \
+ } else if (priv->ctrl.msleep) \
+ msleep(priv->ctrl.msleep); \
+ _rc; \
+})
+
+static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val)
+{
+ unsigned char buf[2];
+ unsigned char ibuf[2];
+
+ tuner_dbg("%s %04x called\n", __func__, reg);
+
+ buf[0] = reg >> 8;
+ buf[1] = (unsigned char) reg;
+
+ if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2)
+ return -EIO;
+
+ *val = (ibuf[1]) | (ibuf[0] << 8);
+ return 0;
+}
+
+#define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0)
+static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq)
+{
+ if (type & BASE)
+ printk(KERN_CONT "BASE ");
+ if (type & INIT1)
+ printk(KERN_CONT "INIT1 ");
+ if (type & F8MHZ)
+ printk(KERN_CONT "F8MHZ ");
+ if (type & MTS)
+ printk(KERN_CONT "MTS ");
+ if (type & D2620)
+ printk(KERN_CONT "D2620 ");
+ if (type & D2633)
+ printk(KERN_CONT "D2633 ");
+ if (type & DTV6)
+ printk(KERN_CONT "DTV6 ");
+ if (type & QAM)
+ printk(KERN_CONT "QAM ");
+ if (type & DTV7)
+ printk(KERN_CONT "DTV7 ");
+ if (type & DTV78)
+ printk(KERN_CONT "DTV78 ");
+ if (type & DTV8)
+ printk(KERN_CONT "DTV8 ");
+ if (type & FM)
+ printk(KERN_CONT "FM ");
+ if (type & INPUT1)
+ printk(KERN_CONT "INPUT1 ");
+ if (type & LCD)
+ printk(KERN_CONT "LCD ");
+ if (type & NOGD)
+ printk(KERN_CONT "NOGD ");
+ if (type & MONO)
+ printk(KERN_CONT "MONO ");
+ if (type & ATSC)
+ printk(KERN_CONT "ATSC ");
+ if (type & IF)
+ printk(KERN_CONT "IF ");
+ if (type & LG60)
+ printk(KERN_CONT "LG60 ");
+ if (type & ATI638)
+ printk(KERN_CONT "ATI638 ");
+ if (type & OREN538)
+ printk(KERN_CONT "OREN538 ");
+ if (type & OREN36)
+ printk(KERN_CONT "OREN36 ");
+ if (type & TOYOTA388)
+ printk(KERN_CONT "TOYOTA388 ");
+ if (type & TOYOTA794)
+ printk(KERN_CONT "TOYOTA794 ");
+ if (type & DIBCOM52)
+ printk(KERN_CONT "DIBCOM52 ");
+ if (type & ZARLINK456)
+ printk(KERN_CONT "ZARLINK456 ");
+ if (type & CHINA)
+ printk(KERN_CONT "CHINA ");
+ if (type & F6MHZ)
+ printk(KERN_CONT "F6MHZ ");
+ if (type & INPUT2)
+ printk(KERN_CONT "INPUT2 ");
+ if (type & SCODE)
+ printk(KERN_CONT "SCODE ");
+ if (type & HAS_IF)
+ printk(KERN_CONT "HAS_IF_%d ", int_freq);
+}
+
+static v4l2_std_id parse_audio_std_option(void)
+{
+ if (strcasecmp(audio_std, "A2") == 0)
+ return V4L2_STD_A2;
+ if (strcasecmp(audio_std, "A2/A") == 0)
+ return V4L2_STD_A2_A;
+ if (strcasecmp(audio_std, "A2/B") == 0)
+ return V4L2_STD_A2_B;
+ if (strcasecmp(audio_std, "NICAM") == 0)
+ return V4L2_STD_NICAM;
+ if (strcasecmp(audio_std, "NICAM/A") == 0)
+ return V4L2_STD_NICAM_A;
+ if (strcasecmp(audio_std, "NICAM/B") == 0)
+ return V4L2_STD_NICAM_B;
+
+ return 0;
+}
+
+static int check_device_status(struct xc2028_data *priv)
+{
+ switch (priv->state) {
+ case XC2028_NO_FIRMWARE:
+ case XC2028_WAITING_FIRMWARE:
+ return -EAGAIN;
+ case XC2028_ACTIVE:
+ return 1;
+ case XC2028_SLEEP:
+ return 0;
+ case XC2028_NODEV:
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static void free_firmware(struct xc2028_data *priv)
+{
+ int i;
+ tuner_dbg("%s called\n", __func__);
+
+ /* free allocated f/w string */
+ if (priv->fname != firmware_name)
+ kfree(priv->fname);
+ priv->fname = NULL;
+
+ priv->state = XC2028_NO_FIRMWARE;
+ memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
+
+ if (!priv->firm)
+ return;
+
+ for (i = 0; i < priv->firm_size; i++)
+ kfree(priv->firm[i].ptr);
+
+ kfree(priv->firm);
+
+ priv->firm = NULL;
+ priv->firm_size = 0;
+}
+
+static int load_all_firmwares(struct dvb_frontend *fe,
+ const struct firmware *fw)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ const unsigned char *p, *endp;
+ int rc = 0;
+ int n, n_array;
+ char name[33];
+
+ tuner_dbg("%s called\n", __func__);
+
+ p = fw->data;
+ endp = p + fw->size;
+
+ if (fw->size < sizeof(name) - 1 + 2 + 2) {
+ tuner_err("Error: firmware file %s has invalid size!\n",
+ priv->fname);
+ goto corrupt;
+ }
+
+ memcpy(name, p, sizeof(name) - 1);
+ name[sizeof(name) - 1] = 0;
+ p += sizeof(name) - 1;
+
+ priv->firm_version = get_unaligned_le16(p);
+ p += 2;
+
+ n_array = get_unaligned_le16(p);
+ p += 2;
+
+ tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n",
+ n_array, priv->fname, name,
+ priv->firm_version >> 8, priv->firm_version & 0xff);
+
+ priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL);
+ if (priv->firm == NULL) {
+ tuner_err("Not enough memory to load firmware file.\n");
+ rc = -ENOMEM;
+ goto err;
+ }
+ priv->firm_size = n_array;
+
+ n = -1;
+ while (p < endp) {
+ __u32 type, size;
+ v4l2_std_id id;
+ __u16 int_freq = 0;
+
+ n++;
+ if (n >= n_array) {
+ tuner_err("More firmware images in file than were expected!\n");
+ goto corrupt;
+ }
+
+ /* Checks if there's enough bytes to read */
+ if (endp - p < sizeof(type) + sizeof(id) + sizeof(size))
+ goto header;
+
+ type = get_unaligned_le32(p);
+ p += sizeof(type);
+
+ id = get_unaligned_le64(p);
+ p += sizeof(id);
+
+ if (type & HAS_IF) {
+ int_freq = get_unaligned_le16(p);
+ p += sizeof(int_freq);
+ if (endp - p < sizeof(size))
+ goto header;
+ }
+
+ size = get_unaligned_le32(p);
+ p += sizeof(size);
+
+ if (!size || size > endp - p) {
+ tuner_err("Firmware type ");
+ dump_firm_type(type);
+ printk(KERN_CONT
+ "(%x), id %llx is corrupted (size=%zd, expected %d)\n",
+ type, (unsigned long long)id, (endp - p), size);
+ goto corrupt;
+ }
+
+ priv->firm[n].ptr = kmemdup(p, size, GFP_KERNEL);
+ if (priv->firm[n].ptr == NULL) {
+ tuner_err("Not enough memory to load firmware file.\n");
+ rc = -ENOMEM;
+ goto err;
+ }
+ tuner_dbg("Reading firmware type ");
+ if (debug) {
+ dump_firm_type_and_int_freq(type, int_freq);
+ printk(KERN_CONT "(%x), id %llx, size=%d.\n",
+ type, (unsigned long long)id, size);
+ }
+
+ priv->firm[n].type = type;
+ priv->firm[n].id = id;
+ priv->firm[n].size = size;
+ priv->firm[n].int_freq = int_freq;
+
+ p += size;
+ }
+
+ if (n + 1 != priv->firm_size) {
+ tuner_err("Firmware file is incomplete!\n");
+ goto corrupt;
+ }
+
+ goto done;
+
+header:
+ tuner_err("Firmware header is incomplete!\n");
+corrupt:
+ rc = -EINVAL;
+ tuner_err("Error: firmware file is corrupted!\n");
+
+err:
+ tuner_info("Releasing partially loaded firmware file.\n");
+ free_firmware(priv);
+
+done:
+ if (rc == 0)
+ tuner_dbg("Firmware files loaded.\n");
+ else
+ priv->state = XC2028_NODEV;
+
+ return rc;
+}
+
+static int seek_firmware(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id *id)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int i, best_i = -1, best_nr_matches = 0;
+ unsigned int type_mask = 0;
+
+ tuner_dbg("%s called, want type=", __func__);
+ if (debug) {
+ dump_firm_type(type);
+ printk(KERN_CONT "(%x), id %016llx.\n",
+ type, (unsigned long long)*id);
+ }
+
+ if (!priv->firm) {
+ tuner_err("Error! firmware not loaded\n");
+ return -EINVAL;
+ }
+
+ if (((type & ~SCODE) == 0) && (*id == 0))
+ *id = V4L2_STD_PAL;
+
+ if (type & BASE)
+ type_mask = BASE_TYPES;
+ else if (type & SCODE) {
+ type &= SCODE_TYPES;
+ type_mask = SCODE_TYPES & ~HAS_IF;
+ } else if (type & DTV_TYPES)
+ type_mask = DTV_TYPES;
+ else if (type & STD_SPECIFIC_TYPES)
+ type_mask = STD_SPECIFIC_TYPES;
+
+ type &= type_mask;
+
+ if (!(type & SCODE))
+ type_mask = ~0;
+
+ /* Seek for exact match */
+ for (i = 0; i < priv->firm_size; i++) {
+ if ((type == (priv->firm[i].type & type_mask)) &&
+ (*id == priv->firm[i].id))
+ goto found;
+ }
+
+ /* Seek for generic video standard match */
+ for (i = 0; i < priv->firm_size; i++) {
+ v4l2_std_id match_mask;
+ int nr_matches;
+
+ if (type != (priv->firm[i].type & type_mask))
+ continue;
+
+ match_mask = *id & priv->firm[i].id;
+ if (!match_mask)
+ continue;
+
+ if ((*id & match_mask) == *id)
+ goto found; /* Supports all the requested standards */
+
+ nr_matches = hweight64(match_mask);
+ if (nr_matches > best_nr_matches) {
+ best_nr_matches = nr_matches;
+ best_i = i;
+ }
+ }
+
+ if (best_nr_matches > 0) {
+ tuner_dbg("Selecting best matching firmware (%d bits) for type=",
+ best_nr_matches);
+ dump_firm_type(type);
+ printk(KERN_CONT
+ "(%x), id %016llx:\n", type, (unsigned long long)*id);
+ i = best_i;
+ goto found;
+ }
+
+ /*FIXME: Would make sense to seek for type "hint" match ? */
+
+ i = -ENOENT;
+ goto ret;
+
+found:
+ *id = priv->firm[i].id;
+
+ret:
+ tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found");
+ if (debug) {
+ dump_firm_type(type);
+ printk(KERN_CONT "(%x), id %016llx.\n",
+ type, (unsigned long long)*id);
+ }
+ return i;
+}
+
+static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+
+ /* analog side (tuner-core) uses i2c_adap->algo_data.
+ * digital side is not guaranteed to have algo_data defined.
+ *
+ * digital side will always have fe->dvb defined.
+ * analog side (tuner-core) doesn't (yet) define fe->dvb.
+ */
+
+ return (!fe->callback) ? -EINVAL :
+ fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
+ fe->dvb->priv : priv->i2c_props.adap->algo_data,
+ DVB_FRONTEND_COMPONENT_TUNER, cmd, arg);
+}
+
+static int load_firmware(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id *id)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int pos, rc;
+ unsigned char *p, *endp, buf[MAX_XFER_SIZE];
+
+ if (priv->ctrl.max_len > sizeof(buf))
+ priv->ctrl.max_len = sizeof(buf);
+
+ tuner_dbg("%s called\n", __func__);
+
+ pos = seek_firmware(fe, type, id);
+ if (pos < 0)
+ return pos;
+
+ tuner_info("Loading firmware for type=");
+ dump_firm_type(priv->firm[pos].type);
+ printk(KERN_CONT "(%x), id %016llx.\n",
+ priv->firm[pos].type, (unsigned long long)*id);
+
+ p = priv->firm[pos].ptr;
+ endp = p + priv->firm[pos].size;
+
+ while (p < endp) {
+ __u16 size;
+
+ /* Checks if there's enough bytes to read */
+ if (p + sizeof(size) > endp) {
+ tuner_err("Firmware chunk size is wrong\n");
+ return -EINVAL;
+ }
+
+ size = le16_to_cpu(*(__le16 *) p);
+ p += sizeof(size);
+
+ if (size == 0xffff)
+ return 0;
+
+ if (!size) {
+ /* Special callback command received */
+ rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
+ if (rc < 0) {
+ tuner_err("Error at RESET code %d\n",
+ (*p) & 0x7f);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (size >= 0xff00) {
+ switch (size) {
+ case 0xff00:
+ rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0);
+ if (rc < 0) {
+ tuner_err("Error at RESET code %d\n",
+ (*p) & 0x7f);
+ return -EINVAL;
+ }
+ break;
+ default:
+ tuner_info("Invalid RESET code %d\n",
+ size & 0x7f);
+ return -EINVAL;
+
+ }
+ continue;
+ }
+
+ /* Checks for a sleep command */
+ if (size & 0x8000) {
+ msleep(size & 0x7fff);
+ continue;
+ }
+
+ if ((size + p > endp)) {
+ tuner_err("missing bytes: need %d, have %zd\n",
+ size, (endp - p));
+ return -EINVAL;
+ }
+
+ buf[0] = *p;
+ p++;
+ size--;
+
+ /* Sends message chunks */
+ while (size > 0) {
+ int len = (size < priv->ctrl.max_len - 1) ?
+ size : priv->ctrl.max_len - 1;
+
+ memcpy(buf + 1, p, len);
+
+ rc = i2c_send(priv, buf, len + 1);
+ if (rc < 0) {
+ tuner_err("%d returned from send\n", rc);
+ return -EINVAL;
+ }
+
+ p += len;
+ size -= len;
+ }
+
+ /* silently fail if the frontend doesn't support I2C flush */
+ rc = do_tuner_callback(fe, XC2028_I2C_FLUSH, 0);
+ if ((rc < 0) && (rc != -EINVAL)) {
+ tuner_err("error executing flush: %d\n", rc);
+ return rc;
+ }
+ }
+ return 0;
+}
+
+static int load_scode(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id *id, __u16 int_freq, int scode)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int pos, rc;
+ unsigned char *p;
+
+ tuner_dbg("%s called\n", __func__);
+
+ if (!int_freq) {
+ pos = seek_firmware(fe, type, id);
+ if (pos < 0)
+ return pos;
+ } else {
+ for (pos = 0; pos < priv->firm_size; pos++) {
+ if ((priv->firm[pos].int_freq == int_freq) &&
+ (priv->firm[pos].type & HAS_IF))
+ break;
+ }
+ if (pos == priv->firm_size)
+ return -ENOENT;
+ }
+
+ p = priv->firm[pos].ptr;
+
+ if (priv->firm[pos].type & HAS_IF) {
+ if (priv->firm[pos].size != 12 * 16 || scode >= 16)
+ return -EINVAL;
+ p += 12 * scode;
+ } else {
+ /* 16 SCODE entries per file; each SCODE entry is 12 bytes and
+ * has a 2-byte size header in the firmware format. */
+ if (priv->firm[pos].size != 14 * 16 || scode >= 16 ||
+ le16_to_cpu(*(__le16 *)(p + 14 * scode)) != 12)
+ return -EINVAL;
+ p += 14 * scode + 2;
+ }
+
+ tuner_info("Loading SCODE for type=");
+ dump_firm_type_and_int_freq(priv->firm[pos].type,
+ priv->firm[pos].int_freq);
+ printk(KERN_CONT "(%x), id %016llx.\n", priv->firm[pos].type,
+ (unsigned long long)*id);
+
+ if (priv->firm_version < 0x0202)
+ rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00});
+ else
+ rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00});
+ if (rc < 0)
+ return -EIO;
+
+ rc = i2c_send(priv, p, 12);
+ if (rc < 0)
+ return -EIO;
+
+ rc = send_seq(priv, {0x00, 0x8c});
+ if (rc < 0)
+ return -EIO;
+
+ return 0;
+}
+
+static int xc2028_sleep(struct dvb_frontend *fe);
+
+static int check_firmware(struct dvb_frontend *fe, unsigned int type,
+ v4l2_std_id std, __u16 int_freq)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ struct firmware_properties new_fw;
+ int rc, retry_count = 0;
+ u16 version, hwmodel;
+ v4l2_std_id std0;
+
+ tuner_dbg("%s called\n", __func__);
+
+ rc = check_device_status(priv);
+ if (rc < 0)
+ return rc;
+
+ if (priv->ctrl.mts && !(type & FM))
+ type |= MTS;
+
+retry:
+ new_fw.type = type;
+ new_fw.id = std;
+ new_fw.std_req = std;
+ new_fw.scode_table = SCODE | priv->ctrl.scode_table;
+ new_fw.scode_nr = 0;
+ new_fw.int_freq = int_freq;
+
+ tuner_dbg("checking firmware, user requested type=");
+ if (debug) {
+ dump_firm_type(new_fw.type);
+ printk(KERN_CONT "(%x), id %016llx, ", new_fw.type,
+ (unsigned long long)new_fw.std_req);
+ if (!int_freq) {
+ printk(KERN_CONT "scode_tbl ");
+ dump_firm_type(priv->ctrl.scode_table);
+ printk(KERN_CONT "(%x), ", priv->ctrl.scode_table);
+ } else
+ printk(KERN_CONT "int_freq %d, ", new_fw.int_freq);
+ printk(KERN_CONT "scode_nr %d\n", new_fw.scode_nr);
+ }
+
+ /*
+ * No need to reload base firmware if it matches and if the tuner
+ * is not at sleep mode
+ */
+ if ((priv->state == XC2028_ACTIVE) &&
+ (((BASE | new_fw.type) & BASE_TYPES) ==
+ (priv->cur_fw.type & BASE_TYPES))) {
+ tuner_dbg("BASE firmware not changed.\n");
+ goto skip_base;
+ }
+
+ /* Updating BASE - forget about all currently loaded firmware */
+ memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
+
+ /* Reset is needed before loading firmware */
+ rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
+ if (rc < 0)
+ goto fail;
+
+ /* BASE firmwares are all std0 */
+ std0 = 0;
+ rc = load_firmware(fe, BASE | new_fw.type, &std0);
+ if (rc < 0) {
+ tuner_err("Error %d while loading base firmware\n",
+ rc);
+ goto fail;
+ }
+
+ /* Load INIT1, if needed */
+ tuner_dbg("Load init1 firmware, if exists\n");
+
+ rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0);
+ if (rc == -ENOENT)
+ rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ,
+ &std0);
+ if (rc < 0 && rc != -ENOENT) {
+ tuner_err("Error %d while loading init1 firmware\n",
+ rc);
+ goto fail;
+ }
+
+skip_base:
+ /*
+ * No need to reload standard specific firmware if base firmware
+ * was not reloaded and requested video standards have not changed.
+ */
+ if (priv->cur_fw.type == (BASE | new_fw.type) &&
+ priv->cur_fw.std_req == std) {
+ tuner_dbg("Std-specific firmware already loaded.\n");
+ goto skip_std_specific;
+ }
+
+ /* Reloading std-specific firmware forces a SCODE update */
+ priv->cur_fw.scode_table = 0;
+
+ rc = load_firmware(fe, new_fw.type, &new_fw.id);
+ if (rc == -ENOENT)
+ rc = load_firmware(fe, new_fw.type & ~F8MHZ, &new_fw.id);
+
+ if (rc < 0)
+ goto fail;
+
+skip_std_specific:
+ if (priv->cur_fw.scode_table == new_fw.scode_table &&
+ priv->cur_fw.scode_nr == new_fw.scode_nr) {
+ tuner_dbg("SCODE firmware already loaded.\n");
+ goto check_device;
+ }
+
+ if (new_fw.type & FM)
+ goto check_device;
+
+ /* Load SCODE firmware, if exists */
+ tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr);
+
+ rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id,
+ new_fw.int_freq, new_fw.scode_nr);
+
+check_device:
+ if (xc2028_get_reg(priv, 0x0004, &version) < 0 ||
+ xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) {
+ tuner_err("Unable to read tuner registers.\n");
+ goto fail;
+ }
+
+ tuner_dbg("Device is Xceive %d version %d.%d, firmware version %d.%d\n",
+ hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8,
+ (version & 0xf0) >> 4, version & 0xf);
+
+
+ if (priv->ctrl.read_not_reliable)
+ goto read_not_reliable;
+
+ /* Check firmware version against what we downloaded. */
+ if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) {
+ if (!priv->ctrl.read_not_reliable) {
+ tuner_err("Incorrect readback of firmware version.\n");
+ goto fail;
+ } else {
+ tuner_err("Returned an incorrect version. However, read is not reliable enough. Ignoring it.\n");
+ hwmodel = 3028;
+ }
+ }
+
+ /* Check that the tuner hardware model remains consistent over time. */
+ if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) {
+ priv->hwmodel = hwmodel;
+ priv->hwvers = version & 0xff00;
+ } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel ||
+ priv->hwvers != (version & 0xff00)) {
+ tuner_err("Read invalid device hardware information - tuner hung?\n");
+ goto fail;
+ }
+
+read_not_reliable:
+ priv->cur_fw = new_fw;
+
+ /*
+ * By setting BASE in cur_fw.type only after successfully loading all
+ * firmwares, we can:
+ * 1. Identify that BASE firmware with type=0 has been loaded;
+ * 2. Tell whether BASE firmware was just changed the next time through.
+ */
+ priv->cur_fw.type |= BASE;
+ priv->state = XC2028_ACTIVE;
+
+ return 0;
+
+fail:
+ free_firmware(priv);
+
+ if (retry_count < 8) {
+ msleep(50);
+ retry_count++;
+ tuner_dbg("Retrying firmware load\n");
+ goto retry;
+ }
+
+ /* Firmware didn't load. Put the device to sleep */
+ xc2028_sleep(fe);
+
+ if (rc == -ENOENT)
+ rc = -EINVAL;
+ return rc;
+}
+
+static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ u16 frq_lock, signal = 0;
+ int rc, i;
+
+ tuner_dbg("%s called\n", __func__);
+
+ rc = check_device_status(priv);
+ if (rc < 0)
+ return rc;
+
+ /* If the device is sleeping, no channel is tuned */
+ if (!rc) {
+ *strength = 0;
+ return 0;
+ }
+
+ mutex_lock(&priv->lock);
+
+ /* Sync Lock Indicator */
+ for (i = 0; i < 3; i++) {
+ rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);
+ if (rc < 0)
+ goto ret;
+
+ if (frq_lock)
+ break;
+ msleep(6);
+ }
+
+ /* Frequency didn't lock */
+ if (frq_lock == 2)
+ goto ret;
+
+ /* Get SNR of the video signal */
+ rc = xc2028_get_reg(priv, XREG_SNR, &signal);
+ if (rc < 0)
+ goto ret;
+
+ /* Signal level is 3 bits only */
+
+ signal = ((1 << 12) - 1) | ((signal & 0x07) << 12);
+
+ret:
+ mutex_unlock(&priv->lock);
+
+ *strength = signal;
+
+ tuner_dbg("signal strength is %d\n", signal);
+
+ return rc;
+}
+
+static int xc2028_get_afc(struct dvb_frontend *fe, s32 *afc)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int i, rc;
+ u16 frq_lock = 0;
+ s16 afc_reg = 0;
+
+ rc = check_device_status(priv);
+ if (rc < 0)
+ return rc;
+
+ /* If the device is sleeping, no channel is tuned */
+ if (!rc) {
+ *afc = 0;
+ return 0;
+ }
+
+ mutex_lock(&priv->lock);
+
+ /* Sync Lock Indicator */
+ for (i = 0; i < 3; i++) {
+ rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);
+ if (rc < 0)
+ goto ret;
+
+ if (frq_lock)
+ break;
+ msleep(6);
+ }
+
+ /* Frequency didn't lock */
+ if (frq_lock == 2)
+ goto ret;
+
+ /* Get AFC */
+ rc = xc2028_get_reg(priv, XREG_FREQ_ERROR, &afc_reg);
+ if (rc < 0)
+ goto ret;
+
+ *afc = afc_reg * 15625; /* Hz */
+
+ tuner_dbg("AFC is %d Hz\n", *afc);
+
+ret:
+ mutex_unlock(&priv->lock);
+
+ return rc;
+}
+
+#define DIV 15625
+
+static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
+ enum v4l2_tuner_type new_type,
+ unsigned int type,
+ v4l2_std_id std,
+ u16 int_freq)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc = -EINVAL;
+ unsigned char buf[4];
+ u32 div, offset = 0;
+
+ tuner_dbg("%s called\n", __func__);
+
+ mutex_lock(&priv->lock);
+
+ tuner_dbg("should set frequency %d kHz\n", freq / 1000);
+
+ if (check_firmware(fe, type, std, int_freq) < 0)
+ goto ret;
+
+ /* On some cases xc2028 can disable video output, if
+ * very weak signals are received. By sending a soft
+ * reset, this is re-enabled. So, it is better to always
+ * send a soft reset before changing channels, to be sure
+ * that xc2028 will be in a safe state.
+ * Maybe this might also be needed for DTV.
+ */
+ switch (new_type) {
+ case V4L2_TUNER_ANALOG_TV:
+ rc = send_seq(priv, {0x00, 0x00});
+
+ /* Analog mode requires offset = 0 */
+ break;
+ case V4L2_TUNER_RADIO:
+ /* Radio mode requires offset = 0 */
+ break;
+ case V4L2_TUNER_DIGITAL_TV:
+ /*
+ * Digital modes require an offset to adjust to the
+ * proper frequency. The offset depends on what
+ * firmware version is used.
+ */
+
+ /*
+ * Adjust to the center frequency. This is calculated by the
+ * formula: offset = 1.25MHz - BW/2
+ * For DTV 7/8, the firmware uses BW = 8000, so it needs a
+ * further adjustment to get the frequency center on VHF
+ */
+
+ /*
+ * The firmware DTV78 used to work fine in UHF band (8 MHz
+ * bandwidth) but not at all in VHF band (7 MHz bandwidth).
+ * The real problem was connected to the formula used to
+ * calculate the center frequency offset in VHF band.
+ * In fact, removing the 500KHz adjustment fixed the problem.
+ * This is coherent to what was implemented for the DTV7
+ * firmware.
+ * In the end, now the center frequency is the same for all 3
+ * firmwares (DTV7, DTV8, DTV78) and doesn't depend on channel
+ * bandwidth.
+ */
+
+ if (priv->cur_fw.type & DTV6)
+ offset = 1750000;
+ else /* DTV7 or DTV8 or DTV78 */
+ offset = 2750000;
+
+ /*
+ * xc3028 additional "magic"
+ * Depending on the firmware version, it needs some adjustments
+ * to properly centralize the frequency. This seems to be
+ * needed to compensate the SCODE table adjustments made by
+ * newer firmwares
+ */
+
+ /*
+ * The proper adjustment would be to do it at s-code table.
+ * However, this didn't work, as reported by
+ * Robert Lowery <rglowery@exemail.com.au>
+ */
+
+#if 0
+ /*
+ * Still need tests for XC3028L (firmware 3.2 or upper)
+ * So, for now, let's just comment the per-firmware
+ * version of this change. Reports with xc3028l working
+ * with and without the lines below are welcome
+ */
+
+ if (priv->firm_version < 0x0302) {
+ if (priv->cur_fw.type & DTV7)
+ offset += 500000;
+ } else {
+ if (priv->cur_fw.type & DTV7)
+ offset -= 300000;
+ else if (type != ATSC) /* DVB @6MHz, DTV 8 and DTV 7/8 */
+ offset += 200000;
+ }
+#endif
+ break;
+ default:
+ tuner_err("Unsupported tuner type %d.\n", new_type);
+ break;
+ }
+
+ div = (freq - offset + DIV / 2) / DIV;
+
+ /* CMD= Set frequency */
+ if (priv->firm_version < 0x0202)
+ rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00});
+ else
+ rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00});
+ if (rc < 0)
+ goto ret;
+
+ /* Return code shouldn't be checked.
+ The reset CLK is needed only with tm6000.
+ Driver should work fine even if this fails.
+ */
+ if (priv->ctrl.msleep)
+ msleep(priv->ctrl.msleep);
+ do_tuner_callback(fe, XC2028_RESET_CLK, 1);
+
+ msleep(10);
+
+ buf[0] = 0xff & (div >> 24);
+ buf[1] = 0xff & (div >> 16);
+ buf[2] = 0xff & (div >> 8);
+ buf[3] = 0xff & (div);
+
+ rc = i2c_send(priv, buf, sizeof(buf));
+ if (rc < 0)
+ goto ret;
+ msleep(100);
+
+ priv->frequency = freq;
+
+ tuner_dbg("divisor= %*ph (freq=%d.%03d)\n", 4, buf,
+ freq / 1000000, (freq % 1000000) / 1000);
+
+ rc = 0;
+
+ret:
+ mutex_unlock(&priv->lock);
+
+ return rc;
+}
+
+static int xc2028_set_analog_freq(struct dvb_frontend *fe,
+ struct analog_parameters *p)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ unsigned int type=0;
+
+ tuner_dbg("%s called\n", __func__);
+
+ if (p->mode == V4L2_TUNER_RADIO) {
+ type |= FM;
+ if (priv->ctrl.input1)
+ type |= INPUT1;
+ return generic_set_freq(fe, (625l * p->frequency) / 10,
+ V4L2_TUNER_RADIO, type, 0, 0);
+ }
+
+ /* if std is not defined, choose one */
+ if (!p->std)
+ p->std = V4L2_STD_MN;
+
+ /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */
+ if (!(p->std & V4L2_STD_MN))
+ type |= F8MHZ;
+
+ /* Add audio hack to std mask */
+ p->std |= parse_audio_std_option();
+
+ return generic_set_freq(fe, 62500l * p->frequency,
+ V4L2_TUNER_ANALOG_TV, type, p->std, 0);
+}
+
+static int xc2028_set_params(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ u32 delsys = c->delivery_system;
+ u32 bw = c->bandwidth_hz;
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc;
+ unsigned int type = 0;
+ u16 demod = 0;
+
+ tuner_dbg("%s called\n", __func__);
+
+ rc = check_device_status(priv);
+ if (rc < 0)
+ return rc;
+
+ switch (delsys) {
+ case SYS_DVBT:
+ case SYS_DVBT2:
+ /*
+ * The only countries with 6MHz seem to be Taiwan/Uruguay.
+ * Both seem to require QAM firmware for OFDM decoding
+ * Tested in Taiwan by Terry Wu <terrywu2009@gmail.com>
+ */
+ if (bw <= 6000000)
+ type |= QAM;
+
+ switch (priv->ctrl.type) {
+ case XC2028_D2633:
+ type |= D2633;
+ break;
+ case XC2028_D2620:
+ type |= D2620;
+ break;
+ case XC2028_AUTO:
+ default:
+ /* Zarlink seems to need D2633 */
+ if (priv->ctrl.demod == XC3028_FE_ZARLINK456)
+ type |= D2633;
+ else
+ type |= D2620;
+ }
+ break;
+ case SYS_ATSC:
+ /* The only ATSC firmware (at least on v2.7) is D2633 */
+ type |= ATSC | D2633;
+ break;
+ /* DVB-S and pure QAM (FE_QAM) are not supported */
+ default:
+ return -EINVAL;
+ }
+
+ if (bw <= 6000000) {
+ type |= DTV6;
+ priv->ctrl.vhfbw7 = 0;
+ priv->ctrl.uhfbw8 = 0;
+ } else if (bw <= 7000000) {
+ if (c->frequency < 470000000)
+ priv->ctrl.vhfbw7 = 1;
+ else
+ priv->ctrl.uhfbw8 = 0;
+ type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7;
+ type |= F8MHZ;
+ } else {
+ if (c->frequency < 470000000)
+ priv->ctrl.vhfbw7 = 0;
+ else
+ priv->ctrl.uhfbw8 = 1;
+ type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8;
+ type |= F8MHZ;
+ }
+
+ /* All S-code tables need a 200kHz shift */
+ if (priv->ctrl.demod) {
+ demod = priv->ctrl.demod;
+
+ /*
+ * Newer firmwares require a 200 kHz offset only for ATSC
+ */
+ if (type == ATSC || priv->firm_version < 0x0302)
+ demod += 200;
+ /*
+ * The DTV7 S-code table needs a 700 kHz shift.
+ *
+ * DTV7 is only used in Australia. Germany or Italy may also
+ * use this firmware after initialization, but a tune to a UHF
+ * channel should then cause DTV78 to be used.
+ *
+ * Unfortunately, on real-field tests, the s-code offset
+ * didn't work as expected, as reported by
+ * Robert Lowery <rglowery@exemail.com.au>
+ */
+ }
+
+ return generic_set_freq(fe, c->frequency,
+ V4L2_TUNER_DIGITAL_TV, type, 0, demod);
+}
+
+static int xc2028_sleep(struct dvb_frontend *fe)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc;
+
+ rc = check_device_status(priv);
+ if (rc < 0)
+ return rc;
+
+ /* Device is already in sleep mode */
+ if (!rc)
+ return 0;
+
+ /* Avoid firmware reload on slow devices or if PM disabled */
+ if (no_poweroff || priv->ctrl.disable_power_mgmt)
+ return 0;
+
+ tuner_dbg("Putting xc2028/3028 into poweroff mode.\n");
+ if (debug > 1) {
+ tuner_dbg("Printing sleep stack trace:\n");
+ dump_stack();
+ }
+
+ mutex_lock(&priv->lock);
+
+ if (priv->firm_version < 0x0202)
+ rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00});
+ else
+ rc = send_seq(priv, {0x80, XREG_POWER_DOWN, 0x00, 0x00});
+
+ if (rc >= 0)
+ priv->state = XC2028_SLEEP;
+
+ mutex_unlock(&priv->lock);
+
+ return rc;
+}
+
+static void xc2028_dvb_release(struct dvb_frontend *fe)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+
+ tuner_dbg("%s called\n", __func__);
+
+ mutex_lock(&xc2028_list_mutex);
+
+ /* only perform final cleanup if this is the last instance */
+ if (hybrid_tuner_report_instance_count(priv) == 1)
+ free_firmware(priv);
+
+ if (priv)
+ hybrid_tuner_release_state(priv);
+
+ mutex_unlock(&xc2028_list_mutex);
+
+ fe->tuner_priv = NULL;
+}
+
+static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc;
+
+ tuner_dbg("%s called\n", __func__);
+
+ rc = check_device_status(priv);
+ if (rc < 0)
+ return rc;
+
+ *frequency = priv->frequency;
+
+ return 0;
+}
+
+static void load_firmware_cb(const struct firmware *fw,
+ void *context)
+{
+ struct dvb_frontend *fe = context;
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc;
+
+ tuner_dbg("request_firmware_nowait(): %s\n", fw ? "OK" : "error");
+ if (!fw) {
+ tuner_err("Could not load firmware %s.\n", priv->fname);
+ priv->state = XC2028_NODEV;
+ return;
+ }
+
+ rc = load_all_firmwares(fe, fw);
+
+ release_firmware(fw);
+
+ if (rc < 0)
+ return;
+ priv->state = XC2028_ACTIVE;
+}
+
+static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ struct xc2028_ctrl *p = priv_cfg;
+ int rc = 0;
+
+ tuner_dbg("%s called\n", __func__);
+
+ mutex_lock(&priv->lock);
+
+ /*
+ * Copy the config data.
+ */
+ memcpy(&priv->ctrl, p, sizeof(priv->ctrl));
+
+ /*
+ * If firmware name changed, frees firmware. As free_firmware will
+ * reset the status to NO_FIRMWARE, this forces a new request_firmware
+ */
+ if (!firmware_name[0] && p->fname &&
+ priv->fname && strcmp(p->fname, priv->fname))
+ free_firmware(priv);
+
+ if (priv->ctrl.max_len < 9)
+ priv->ctrl.max_len = 13;
+
+ if (priv->state == XC2028_NO_FIRMWARE) {
+ if (!firmware_name[0])
+ priv->fname = kstrdup(p->fname, GFP_KERNEL);
+ else
+ priv->fname = firmware_name;
+
+ if (!priv->fname) {
+ rc = -ENOMEM;
+ goto unlock;
+ }
+
+ rc = request_firmware_nowait(THIS_MODULE, 1,
+ priv->fname,
+ priv->i2c_props.adap->dev.parent,
+ GFP_KERNEL,
+ fe, load_firmware_cb);
+ if (rc < 0) {
+ tuner_err("Failed to request firmware %s\n",
+ priv->fname);
+ priv->state = XC2028_NODEV;
+ } else
+ priv->state = XC2028_WAITING_FIRMWARE;
+ }
+unlock:
+ mutex_unlock(&priv->lock);
+
+ return rc;
+}
+
+static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = {
+ .info = {
+ .name = "Xceive XC3028",
+ .frequency_min_hz = 42 * MHz,
+ .frequency_max_hz = 864 * MHz,
+ .frequency_step_hz = 50 * kHz,
+ },
+
+ .set_config = xc2028_set_config,
+ .set_analog_params = xc2028_set_analog_freq,
+ .release = xc2028_dvb_release,
+ .get_frequency = xc2028_get_frequency,
+ .get_rf_strength = xc2028_signal,
+ .get_afc = xc2028_get_afc,
+ .set_params = xc2028_set_params,
+ .sleep = xc2028_sleep,
+};
+
+struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
+ struct xc2028_config *cfg)
+{
+ struct xc2028_data *priv;
+ int instance;
+
+ if (debug)
+ printk(KERN_DEBUG "xc2028: Xcv2028/3028 init called!\n");
+
+ if (NULL == cfg)
+ return NULL;
+
+ if (!fe) {
+ printk(KERN_ERR "xc2028: No frontend!\n");
+ return NULL;
+ }
+
+ mutex_lock(&xc2028_list_mutex);
+
+ instance = hybrid_tuner_request_state(struct xc2028_data, priv,
+ hybrid_tuner_instance_list,
+ cfg->i2c_adap, cfg->i2c_addr,
+ "xc2028");
+ switch (instance) {
+ case 0:
+ /* memory allocation failure */
+ goto fail;
+ case 1:
+ /* new tuner instance */
+ priv->ctrl.max_len = 13;
+
+ mutex_init(&priv->lock);
+
+ fe->tuner_priv = priv;
+ break;
+ case 2:
+ /* existing tuner instance */
+ fe->tuner_priv = priv;
+ break;
+ }
+
+ memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops,
+ sizeof(xc2028_dvb_tuner_ops));
+
+ tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
+
+ if (cfg->ctrl)
+ xc2028_set_config(fe, cfg->ctrl);
+
+ mutex_unlock(&xc2028_list_mutex);
+
+ return fe;
+fail:
+ mutex_unlock(&xc2028_list_mutex);
+
+ xc2028_dvb_release(fe);
+ return NULL;
+}
+
+EXPORT_SYMBOL(xc2028_attach);
+
+MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver");
+MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@kernel.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);
+MODULE_FIRMWARE(XC3028L_DEFAULT_FIRMWARE);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * xc2028
+ *
+ * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
+ */
+
+#ifndef __TUNER_XC2028_H__
+#define __TUNER_XC2028_H__
+
+#include <media/dvb_frontend.h>
+
+#define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
+#define XC3028L_DEFAULT_FIRMWARE "xc3028L-v36.fw"
+
+/* Dmoduler IF (kHz) */
+#define XC3028_FE_DEFAULT 0 /* Don't load SCODE */
+#define XC3028_FE_LG60 6000
+#define XC3028_FE_ATI638 6380
+#define XC3028_FE_OREN538 5380
+#define XC3028_FE_OREN36 3600
+#define XC3028_FE_TOYOTA388 3880
+#define XC3028_FE_TOYOTA794 7940
+#define XC3028_FE_DIBCOM52 5200
+#define XC3028_FE_ZARLINK456 4560
+#define XC3028_FE_CHINA 5200
+
+enum firmware_type {
+ XC2028_AUTO = 0, /* By default, auto-detects */
+ XC2028_D2633,
+ XC2028_D2620,
+};
+
+struct xc2028_ctrl {
+ char *fname;
+ int max_len;
+ int msleep;
+ unsigned int scode_table;
+ unsigned int mts :1;
+ unsigned int input1:1;
+ unsigned int vhfbw7:1;
+ unsigned int uhfbw8:1;
+ unsigned int disable_power_mgmt:1;
+ unsigned int read_not_reliable:1;
+ unsigned int demod;
+ enum firmware_type type:2;
+};
+
+struct xc2028_config {
+ struct i2c_adapter *i2c_adap;
+ u8 i2c_addr;
+ struct xc2028_ctrl *ctrl;
+};
+
+/* xc2028 commands for callback */
+#define XC2028_TUNER_RESET 0
+#define XC2028_RESET_CLK 1
+#define XC2028_I2C_FLUSH 2
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC2028)
+extern struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
+ struct xc2028_config *cfg);
+#else
+static inline struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
+ struct xc2028_config *cfg)
+{
+ printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
+ __func__);
+ return NULL;
+}
+#endif
+
+#endif /* __TUNER_XC2028_H__ */
#include "xc4000.h"
#include "tuner-i2c.h"
-#include "tuner-xc2028-types.h"
+#include "xc2028-types.h"
static int debug;
module_param(debug, int, 0644);
#include "mt352.h"
#include "mt352_priv.h"
#include "zl10353.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "tuner-simple.h"
#include "mxl5005s.h"
#include "max2165.h"
#include "dib9000.h"
#include "mt2060.h"
#include "mt2266.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "xc5000.h"
#include "xc4000.h"
#include "s5h1411.h"
#include <linux/i2c.h>
#include <linux/jiffies.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include <media/v4l2-common.h>
#include <media/tuner.h>
#include <media/v4l2-fh.h>
#include <media/i2c/ir-kbd-i2c.h>
#include <media/rc-core.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "xc5000.h"
#include "em28xx-reg.h"
#include "tm6000.h"
#include "tm6000-regs.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "xc5000.h"
#define TM6000_BOARD_UNKNOWN 0
#include <media/tuner.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "xc5000.h"
MODULE_DESCRIPTION("DVB driver extension module for tm5600/6000/6010 based TV cards");
#include "tm6000-regs.h"
#include <media/v4l2-common.h>
#include <media/tuner.h>
-#include "tuner-xc2028.h"
+#include "xc2028.h"
/* ----------------------------------------------------------- */
#include "tda8290.h"
#include "tea5761.h"
#include "tea5767.h"
-#include "tuner-xc2028.h"
+#include "xc2028.h"
#include "tuner-simple.h"
#include "tda9887.h"
#include "xc5000.h"
projects / linux-2.6-microblaze.git / commitdiff