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[media] em28xx: add support for PLEX PX-BCUD (ISDB-S) 

PX-BCUD has the following components:
   USB interface: Empia EM28178
   Demodulator: Toshiba TC90532 (works by code for TC90522)
   Tuner: Next version of Sharp QM1D1C0042

em28xx_dvb_init(): add init code for PLEX PX-BCUD with calling
px_bcud_init() that does things like pin configuration.

qm1d1c0042_init(): support the next version of QM1D1C0042, change to
choose an appropriate array of initial registers by reading chip id.

[mchehab@osg.samsung.com: fold a fixup patch and fix checkpatch.pl
 errors/warnings, where applicable]
Signed-off-by: Satoshi Nagahama <sattnag@aim.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Satoshi Nagahama 2016-05-06 16:35:05 -03:00 committed by Mauro Carvalho Chehab
parent 7977a15ede
commit ab4d14528f
5 changed files with 180 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/media/tuners/qm1d1c0042.c
View File

@ -32,14 +32,24 @@
#include "qm1d1c0042.h"
#define QM1D1C0042_NUM_REGS 0x20
#define QM1D1C0042_NUM_REG_ROWS 2
static const u8 reg_initval[QM1D1C0042_NUM_REGS] = {
static const u8
reg_initval[QM1D1C0042_NUM_REG_ROWS][QM1D1C0042_NUM_REGS] = { {
0x48, 0x1c, 0xa0, 0x10, 0xbc, 0xc5, 0x20, 0x33,
0x06, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
0x00, 0xff, 0xf3, 0x00, 0x2a, 0x64, 0xa6, 0x86,
0x8c, 0xcf, 0xb8, 0xf1, 0xa8, 0xf2, 0x89, 0x00
}, {
0x68, 0x1c, 0xc0, 0x10, 0xbc, 0xc1, 0x11, 0x33,
0x03, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
0x00, 0xff, 0xf3, 0x00, 0x3f, 0x25, 0x5c, 0xd6,
0x55, 0xcf, 0x95, 0xf6, 0x36, 0xf2, 0x09, 0x00
}
};
static int reg_index;
static const struct qm1d1c0042_config default_cfg = {
.xtal_freq = 16000,
.lpf = 1,
@ -320,7 +330,6 @@ static int qm1d1c0042_init(struct dvb_frontend *fe)
int i, ret;
state = fe->tuner_priv;
memcpy(state->regs, reg_initval, sizeof(reg_initval));
reg_write(state, 0x01, 0x0c);
reg_write(state, 0x01, 0x0c);
@ -330,15 +339,22 @@ static int qm1d1c0042_init(struct dvb_frontend *fe)
goto failed;
usleep_range(2000, 3000);
val = state->regs[0x01] | 0x10;
ret = reg_write(state, 0x01, val); /* soft reset off */
ret = reg_write(state, 0x01, 0x1c); /* soft reset off */
if (ret < 0)
goto failed;
/* check ID */
/* check ID and choose initial registers corresponding ID */
ret = reg_read(state, 0x00, &val);
if (ret < 0 || val != 0x48)
if (ret < 0)
goto failed;
for (reg_index = 0; reg_index < QM1D1C0042_NUM_REG_ROWS;
reg_index++) {
if (val == reg_initval[reg_index][0x00])
break;
}
if (reg_index >= QM1D1C0042_NUM_REG_ROWS)
goto failed;
memcpy(state->regs, reg_initval[reg_index], QM1D1C0042_NUM_REGS);
usleep_range(2000, 3000);
state->regs[0x0c] |= 0x40;

2
drivers/media/usb/em28xx/Kconfig
View File

@ -59,6 +59,8 @@ config VIDEO_EM28XX_DVB
select DVB_DRX39XYJ if MEDIA_SUBDRV_AUTOSELECT
select DVB_SI2168 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_SI2157 if MEDIA_SUBDRV_AUTOSELECT
select DVB_TC90522 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_QM1D1C0042 if MEDIA_SUBDRV_AUTOSELECT
---help---
This adds support for DVB cards based on the
Empiatech em28xx chips.

30
drivers/media/usb/em28xx/em28xx-cards.c
View File

@ -492,6 +492,20 @@ static struct em28xx_reg_seq terratec_t2_stick_hd[] = {
{-1, -1, -1, -1},
};
static struct em28xx_reg_seq plex_px_bcud[] = {
{EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0},
{0x0d, 0xff, 0xff, 0},
{EM2874_R50_IR_CONFIG, 0x01, 0xff, 0},
{EM28XX_R06_I2C_CLK, 0x40, 0xff, 0},
{EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 100},
{EM28XX_R12_VINENABLE, 0x20, 0x20, 0},
{0x0d, 0x42, 0xff, 1000},
{EM2874_R80_GPIO_P0_CTRL, 0xfc, 0xff, 10},
{EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 10},
{0x73, 0xfd, 0xff, 100},
{-1, -1, -1, -1},
};
/*
* Button definitions
*/
@ -2306,6 +2320,20 @@ struct em28xx_board em28xx_boards[] = {
.has_dvb = 1,
.ir_codes = RC_MAP_TERRATEC_SLIM_2,
},
/*
* 3275:0085 PLEX PX-BCUD.
* Empia EM28178, TOSHIBA TC90532XBG, Sharp QM1D1C0042
*/
[EM28178_BOARD_PLEX_PX_BCUD] = {
.name = "PLEX PX-BCUD",
.xclk = EM28XX_XCLK_FREQUENCY_4_3MHZ,
.def_i2c_bus = 1,
.i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE,
.tuner_type = TUNER_ABSENT,
.tuner_gpio = plex_px_bcud,
.has_dvb = 1,
},
};
EXPORT_SYMBOL_GPL(em28xx_boards);
@ -2495,6 +2523,8 @@ struct usb_device_id em28xx_id_table[] = {
.driver_info = EM2861_BOARD_LEADTEK_VC100 },
{ USB_DEVICE(0xeb1a, 0x8179),
.driver_info = EM28178_BOARD_TERRATEC_T2_STICK_HD },
{ USB_DEVICE(0x3275, 0x0085),
.driver_info = EM28178_BOARD_PLEX_PX_BCUD },
{ },
};
MODULE_DEVICE_TABLE(usb, em28xx_id_table);

121
drivers/media/usb/em28xx/em28xx-dvb.c
View File

@ -58,6 +58,8 @@
#include "ts2020.h"
#include "si2168.h"
#include "si2157.h"
#include "tc90522.h"
#include "qm1d1c0042.h"
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
MODULE_LICENSE("GPL");
@ -787,6 +789,68 @@ static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
return 0;
}
static void px_bcud_init(struct em28xx *dev)
{
int i;
struct {
unsigned char r[4];
int len;
} regs1[] = {
{{ 0x0e, 0x77 }, 2},
{{ 0x0f, 0x77 }, 2},
{{ 0x03, 0x90 }, 2},
}, regs2[] = {
{{ 0x07, 0x01 }, 2},
{{ 0x08, 0x10 }, 2},
{{ 0x13, 0x00 }, 2},
{{ 0x17, 0x00 }, 2},
{{ 0x03, 0x01 }, 2},
{{ 0x10, 0xb1 }, 2},
{{ 0x11, 0x40 }, 2},
{{ 0x85, 0x7a }, 2},
{{ 0x87, 0x04 }, 2},
};
static struct em28xx_reg_seq gpio[] = {
{EM28XX_R06_I2C_CLK, 0x40, 0xff, 300},
{EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 60},
{EM28XX_R15_RGAIN, 0x20, 0xff, 0},
{EM28XX_R16_GGAIN, 0x20, 0xff, 0},
{EM28XX_R17_BGAIN, 0x20, 0xff, 0},
{EM28XX_R18_ROFFSET, 0x00, 0xff, 0},
{EM28XX_R19_GOFFSET, 0x00, 0xff, 0},
{EM28XX_R1A_BOFFSET, 0x00, 0xff, 0},
{EM28XX_R23_UOFFSET, 0x00, 0xff, 0},
{EM28XX_R24_VOFFSET, 0x00, 0xff, 0},
{EM28XX_R26_COMPR, 0x00, 0xff, 0},
{0x13, 0x08, 0xff, 0},
{EM28XX_R12_VINENABLE, 0x27, 0xff, 0},
{EM28XX_R0C_USBSUSP, 0x10, 0xff, 0},
{EM28XX_R27_OUTFMT, 0x00, 0xff, 0},
{EM28XX_R10_VINMODE, 0x00, 0xff, 0},
{EM28XX_R11_VINCTRL, 0x11, 0xff, 0},
{EM2874_R50_IR_CONFIG, 0x01, 0xff, 0},
{EM2874_R5F_TS_ENABLE, 0x80, 0xff, 0},
{EM28XX_R06_I2C_CLK, 0x46, 0xff, 0},
};
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x46);
/* sleeping ISDB-T */
dev->dvb->i2c_client_demod->addr = 0x14;
for (i = 0; i < ARRAY_SIZE(regs1); i++)
i2c_master_send(dev->dvb->i2c_client_demod, regs1[i].r,
regs1[i].len);
/* sleeping ISDB-S */
dev->dvb->i2c_client_demod->addr = 0x15;
for (i = 0; i < ARRAY_SIZE(regs2); i++)
i2c_master_send(dev->dvb->i2c_client_demod, regs2[i].r,
regs2[i].len);
for (i = 0; i < ARRAY_SIZE(gpio); i++) {
em28xx_write_reg_bits(dev, gpio[i].reg, gpio[i].val,
gpio[i].mask);
if (gpio[i].sleep > 0)
msleep(gpio[i].sleep);
}
};
static struct mt352_config terratec_xs_mt352_cfg = {
.demod_address = (0x1e >> 1),
.no_tuner = 1,
@ -1762,6 +1826,63 @@ static int em28xx_dvb_init(struct em28xx *dev)
dvb->i2c_client_tuner = client;
}
break;
case EM28178_BOARD_PLEX_PX_BCUD:
{
struct i2c_client *client;
struct i2c_board_info info;
struct tc90522_config tc90522_config;
struct qm1d1c0042_config qm1d1c0042_config;
/* attach demod */
memset(&tc90522_config, 0, sizeof(tc90522_config));
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "tc90522sat", I2C_NAME_SIZE);
info.addr = 0x15;
info.platform_data = &tc90522_config;
request_module("tc90522");
client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
if (client == NULL || client->dev.driver == NULL) {
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod = client;
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
result = -ENODEV;
goto out_free;
}
/* attach tuner */
memset(&qm1d1c0042_config, 0,
sizeof(qm1d1c0042_config));
qm1d1c0042_config.fe = tc90522_config.fe;
qm1d1c0042_config.lpf = 1;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "qm1d1c0042", I2C_NAME_SIZE);
info.addr = 0x61;
info.platform_data = &qm1d1c0042_config;
request_module(info.type);
client = i2c_new_device(tc90522_config.tuner_i2c,
&info);
if (client == NULL || client->dev.driver == NULL) {
module_put(dvb->i2c_client_demod->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_tuner = client;
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
module_put(dvb->i2c_client_demod->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod);
result = -ENODEV;
goto out_free;
}
dvb->fe[0] = tc90522_config.fe;
px_bcud_init(dev);
}
break;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");

1
drivers/media/usb/em28xx/em28xx.h
View File

@ -145,6 +145,7 @@
#define EM2861_BOARD_LEADTEK_VC100 95
#define EM28178_BOARD_TERRATEC_T2_STICK_HD 96
#define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97
#define EM28178_BOARD_PLEX_PX_BCUD 98
/* Limits minimum and default number of buffers */
#define EM28XX_MIN_BUF 4