cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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au0828-cards.c (9931B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 *  Driver for the Auvitek USB bridge
      4 *
      5 *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
      6 */
      7
      8#include "au0828.h"
      9#include "au0828-cards.h"
     10#include "au8522.h"
     11#include "media/tuner.h"
     12#include "media/v4l2-common.h"
     13
     14static void hvr950q_cs5340_audio(void *priv, int enable)
     15{
     16	/* Because the HVR-950q shares an i2s bus between the cs5340 and the
     17	   au8522, we need to hold cs5340 in reset when using the au8522 */
     18	struct au0828_dev *dev = priv;
     19	if (enable == 1)
     20		au0828_set(dev, REG_000, 0x10);
     21	else
     22		au0828_clear(dev, REG_000, 0x10);
     23}
     24
     25/*
     26 * WARNING: There's a quirks table at sound/usb/quirks-table.h
     27 * that should also be updated every time a new device with V4L2 support
     28 * is added here.
     29 */
     30struct au0828_board au0828_boards[] = {
     31	[AU0828_BOARD_UNKNOWN] = {
     32		.name	= "Unknown board",
     33		.tuner_type = -1U,
     34		.tuner_addr = ADDR_UNSET,
     35	},
     36	[AU0828_BOARD_HAUPPAUGE_HVR850] = {
     37		.name	= "Hauppauge HVR850",
     38		.tuner_type = TUNER_XC5000,
     39		.tuner_addr = 0x61,
     40		.has_ir_i2c = 1,
     41		.has_analog = 1,
     42		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
     43		.input = {
     44			{
     45				.type = AU0828_VMUX_TELEVISION,
     46				.vmux = AU8522_COMPOSITE_CH4_SIF,
     47				.amux = AU8522_AUDIO_SIF,
     48			},
     49			{
     50				.type = AU0828_VMUX_COMPOSITE,
     51				.vmux = AU8522_COMPOSITE_CH1,
     52				.amux = AU8522_AUDIO_NONE,
     53				.audio_setup = hvr950q_cs5340_audio,
     54			},
     55			{
     56				.type = AU0828_VMUX_SVIDEO,
     57				.vmux = AU8522_SVIDEO_CH13,
     58				.amux = AU8522_AUDIO_NONE,
     59				.audio_setup = hvr950q_cs5340_audio,
     60			},
     61		},
     62	},
     63	[AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
     64		.name	= "Hauppauge HVR950Q",
     65		.tuner_type = TUNER_XC5000,
     66		.tuner_addr = 0x61,
     67		.has_ir_i2c = 1,
     68		.has_analog = 1,
     69		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
     70		.input = {
     71			{
     72				.type = AU0828_VMUX_TELEVISION,
     73				.vmux = AU8522_COMPOSITE_CH4_SIF,
     74				.amux = AU8522_AUDIO_SIF,
     75			},
     76			{
     77				.type = AU0828_VMUX_COMPOSITE,
     78				.vmux = AU8522_COMPOSITE_CH1,
     79				.amux = AU8522_AUDIO_NONE,
     80				.audio_setup = hvr950q_cs5340_audio,
     81			},
     82			{
     83				.type = AU0828_VMUX_SVIDEO,
     84				.vmux = AU8522_SVIDEO_CH13,
     85				.amux = AU8522_AUDIO_NONE,
     86				.audio_setup = hvr950q_cs5340_audio,
     87			},
     88		},
     89	},
     90	[AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL] = {
     91		.name	= "Hauppauge HVR950Q rev xxF8",
     92		.tuner_type = TUNER_XC5000,
     93		.tuner_addr = 0x61,
     94		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
     95	},
     96	[AU0828_BOARD_DVICO_FUSIONHDTV7] = {
     97		.name	= "DViCO FusionHDTV USB",
     98		.tuner_type = TUNER_XC5000,
     99		.tuner_addr = 0x61,
    100		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
    101	},
    102	[AU0828_BOARD_HAUPPAUGE_WOODBURY] = {
    103		.name = "Hauppauge Woodbury",
    104		.tuner_type = TUNER_NXP_TDA18271,
    105		.tuner_addr = 0x60,
    106		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
    107	},
    108};
    109
    110/* Tuner callback function for au0828 boards. Currently only needed
    111 * for HVR1500Q, which has an xc5000 tuner.
    112 */
    113int au0828_tuner_callback(void *priv, int component, int command, int arg)
    114{
    115	struct au0828_dev *dev = priv;
    116
    117	dprintk(1, "%s()\n", __func__);
    118
    119	switch (dev->boardnr) {
    120	case AU0828_BOARD_HAUPPAUGE_HVR850:
    121	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
    122	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
    123	case AU0828_BOARD_DVICO_FUSIONHDTV7:
    124		if (command == 0) {
    125			/* Tuner Reset Command from xc5000 */
    126			/* Drive the tuner into reset and out */
    127			au0828_clear(dev, REG_001, 2);
    128			mdelay(10);
    129			au0828_set(dev, REG_001, 2);
    130			mdelay(10);
    131			return 0;
    132		} else {
    133			pr_err("%s(): Unknown command.\n", __func__);
    134			return -EINVAL;
    135		}
    136		break;
    137	}
    138
    139	return 0; /* Should never be here */
    140}
    141
    142static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
    143{
    144	struct tveeprom tv;
    145
    146	tveeprom_hauppauge_analog(&tv, eeprom_data);
    147	dev->board.tuner_type = tv.tuner_type;
    148
    149	/* Make sure we support the board model */
    150	switch (tv.model) {
    151	case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
    152	case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
    153	case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
    154	case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
    155	case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
    156	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
    157	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
    158	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
    159	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
    160	case 72261: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
    161	case 72271: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
    162	case 72281: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
    163	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
    164	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
    165		break;
    166	default:
    167		pr_warn("%s: warning: unknown hauppauge model #%d\n",
    168			__func__, tv.model);
    169		break;
    170	}
    171
    172	pr_info("%s: hauppauge eeprom: model=%d\n",
    173	       __func__, tv.model);
    174}
    175
    176void au0828_card_analog_fe_setup(struct au0828_dev *dev);
    177
    178void au0828_card_setup(struct au0828_dev *dev)
    179{
    180	static u8 eeprom[256];
    181
    182	dprintk(1, "%s()\n", __func__);
    183
    184	if (dev->i2c_rc == 0) {
    185		dev->i2c_client.addr = 0xa0 >> 1;
    186		tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
    187	}
    188
    189	switch (dev->boardnr) {
    190	case AU0828_BOARD_HAUPPAUGE_HVR850:
    191	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
    192	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
    193	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
    194		if (dev->i2c_rc == 0)
    195			hauppauge_eeprom(dev, eeprom+0xa0);
    196		break;
    197	}
    198
    199	au0828_card_analog_fe_setup(dev);
    200}
    201
    202void au0828_card_analog_fe_setup(struct au0828_dev *dev)
    203{
    204#ifdef CONFIG_VIDEO_AU0828_V4L2
    205	struct tuner_setup tun_setup;
    206	struct v4l2_subdev *sd;
    207	unsigned int mode_mask = T_ANALOG_TV;
    208
    209	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
    210		/* Load the analog demodulator driver (note this would need to
    211		   be abstracted out if we ever need to support a different
    212		   demod) */
    213		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
    214				"au8522", 0x8e >> 1, NULL);
    215		if (sd == NULL)
    216			pr_err("analog subdev registration failed\n");
    217	}
    218
    219	/* Setup tuners */
    220	if (dev->board.tuner_type != TUNER_ABSENT && dev->board.has_analog) {
    221		/* Load the tuner module, which does the attach */
    222		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
    223				"tuner", dev->board.tuner_addr, NULL);
    224		if (sd == NULL)
    225			pr_err("tuner subdev registration fail\n");
    226
    227		tun_setup.mode_mask      = mode_mask;
    228		tun_setup.type           = dev->board.tuner_type;
    229		tun_setup.addr           = dev->board.tuner_addr;
    230		tun_setup.tuner_callback = au0828_tuner_callback;
    231		v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr,
    232				     &tun_setup);
    233	}
    234#endif
    235}
    236
    237/*
    238 * The bridge has between 8 and 12 gpios.
    239 * Regs 1 and 0 deal with output enables.
    240 * Regs 3 and 2 deal with direction.
    241 */
    242void au0828_gpio_setup(struct au0828_dev *dev)
    243{
    244	dprintk(1, "%s()\n", __func__);
    245
    246	switch (dev->boardnr) {
    247	case AU0828_BOARD_HAUPPAUGE_HVR850:
    248	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
    249	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
    250	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
    251		/* GPIO's
    252		 * 4 - CS5340
    253		 * 5 - AU8522 Demodulator
    254		 * 6 - eeprom W/P
    255		 * 7 - power supply
    256		 * 9 - XC5000 Tuner
    257		 */
    258
    259		/* Set relevant GPIOs as outputs (leave the EEPROM W/P
    260		   as an input since we will never touch it and it has
    261		   a pullup) */
    262		au0828_write(dev, REG_003, 0x02);
    263		au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
    264
    265		/* Into reset */
    266		au0828_write(dev, REG_001, 0x0);
    267		au0828_write(dev, REG_000, 0x0);
    268		msleep(50);
    269
    270		/* Bring power supply out of reset */
    271		au0828_write(dev, REG_000, 0x80);
    272		msleep(50);
    273
    274		/* Bring xc5000 and au8522 out of reset (leave the
    275		   cs5340 in reset until needed) */
    276		au0828_write(dev, REG_001, 0x02); /* xc5000 */
    277		au0828_write(dev, REG_000, 0x80 | 0x20); /* PS + au8522 */
    278
    279		msleep(250);
    280		break;
    281	case AU0828_BOARD_DVICO_FUSIONHDTV7:
    282		/* GPIO's
    283		 * 6 - ?
    284		 * 8 - AU8522 Demodulator
    285		 * 9 - XC5000 Tuner
    286		 */
    287
    288		/* Into reset */
    289		au0828_write(dev, REG_003, 0x02);
    290		au0828_write(dev, REG_002, 0xa0);
    291		au0828_write(dev, REG_001, 0x0);
    292		au0828_write(dev, REG_000, 0x0);
    293		msleep(100);
    294
    295		/* Out of reset */
    296		au0828_write(dev, REG_003, 0x02);
    297		au0828_write(dev, REG_002, 0xa0);
    298		au0828_write(dev, REG_001, 0x02);
    299		au0828_write(dev, REG_000, 0xa0);
    300		msleep(250);
    301		break;
    302	}
    303}
    304
    305/* table of devices that work with this driver */
    306struct usb_device_id au0828_usb_id_table[] = {
    307	{ USB_DEVICE(0x2040, 0x7200),
    308		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    309	{ USB_DEVICE(0x2040, 0x7240),
    310		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
    311	{ USB_DEVICE(0x0fe9, 0xd620),
    312		.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
    313	{ USB_DEVICE(0x2040, 0x7210),
    314		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    315	{ USB_DEVICE(0x2040, 0x7217),
    316		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    317	{ USB_DEVICE(0x2040, 0x721b),
    318		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    319	{ USB_DEVICE(0x2040, 0x721e),
    320		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    321	{ USB_DEVICE(0x2040, 0x721f),
    322		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    323	{ USB_DEVICE(0x2040, 0x7280),
    324		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    325	{ USB_DEVICE(0x0fd9, 0x0008),
    326		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    327	{ USB_DEVICE(0x2040, 0x7201),
    328		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
    329	{ USB_DEVICE(0x2040, 0x7211),
    330		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
    331	{ USB_DEVICE(0x2040, 0x7281),
    332		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
    333	{ USB_DEVICE(0x05e1, 0x0480),
    334		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
    335	{ USB_DEVICE(0x2040, 0x8200),
    336		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
    337	{ USB_DEVICE(0x2040, 0x7260),
    338		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    339	{ USB_DEVICE(0x2040, 0x7213),
    340		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    341	{ USB_DEVICE(0x2040, 0x7270),
    342		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
    343	{ },
    344};
    345
    346MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);