diff options
author | Patrice Chotard <patrice.chotard@sfr.fr> | 2012-07-31 22:34:29 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-12 06:27:00 +0400 |
commit | 397e972350c42cbaf3228fe2eec23fecf6a69903 (patch) | |
tree | b7bda2ae1529872ca24259636e4f3745e2b826fb /drivers/media/dvb | |
parent | 5fb67074c6657edc34867cba78255b6f5b505f12 (diff) | |
download | linux-397e972350c42cbaf3228fe2eec23fecf6a69903.tar.xz |
[media] ngene: add support for Terratec Cynergy 2400i Dual DVB-T
This code is based on ngene initial check-in (dae52d009fc950b5c209260d50fcc000f5becd3c)
Signed-off-by: Patrice Chotard <patricechotard@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r-- | drivers/media/dvb/ngene/ngene-cards.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/media/dvb/ngene/ngene-cards.c b/drivers/media/dvb/ngene/ngene-cards.c index 72ee8de02260..a6cd6959ad19 100644 --- a/drivers/media/dvb/ngene/ngene-cards.c +++ b/drivers/media/dvb/ngene/ngene-cards.c @@ -42,6 +42,8 @@ #include "mt2131.h" #include "tda18271c2dd.h" #include "drxk.h" +#include "drxd.h" +#include "dvb-pll.h" /****************************************************************************/ @@ -313,6 +315,235 @@ static int demod_attach_lg330x(struct ngene_channel *chan) return (chan->fe) ? 0 : -ENODEV; } +static int demod_attach_drxd(struct ngene_channel *chan) +{ + struct drxd_config *feconf; + + feconf = chan->dev->card_info->fe_config[chan->number]; + + chan->fe = dvb_attach(drxd_attach, feconf, chan, + &chan->i2c_adapter, &chan->dev->pci_dev->dev); + if (!chan->fe) { + pr_err("No DRXD found!\n"); + return -ENODEV; + } + + if (!dvb_attach(dvb_pll_attach, chan->fe, feconf->pll_address, + &chan->i2c_adapter, + feconf->pll_type)) { + pr_err("No pll(%d) found!\n", feconf->pll_type); + return -ENODEV; + } + return 0; +} + +/****************************************************************************/ +/* EEPROM TAGS **************************************************************/ +/****************************************************************************/ + +#define MICNG_EE_START 0x0100 +#define MICNG_EE_END 0x0FF0 + +#define MICNG_EETAG_END0 0x0000 +#define MICNG_EETAG_END1 0xFFFF + +/* 0x0001 - 0x000F reserved for housekeeping */ +/* 0xFFFF - 0xFFFE reserved for housekeeping */ + +/* Micronas assigned tags + EEProm tags for hardware support */ + +#define MICNG_EETAG_DRXD1_OSCDEVIATION 0x1000 /* 2 Bytes data */ +#define MICNG_EETAG_DRXD2_OSCDEVIATION 0x1001 /* 2 Bytes data */ + +#define MICNG_EETAG_MT2060_1_1STIF 0x1100 /* 2 Bytes data */ +#define MICNG_EETAG_MT2060_2_1STIF 0x1101 /* 2 Bytes data */ + +/* Tag range for OEMs */ + +#define MICNG_EETAG_OEM_FIRST 0xC000 +#define MICNG_EETAG_OEM_LAST 0xFFEF + +static int i2c_write_eeprom(struct i2c_adapter *adapter, + u8 adr, u16 reg, u8 data) +{ + u8 m[3] = {(reg >> 8), (reg & 0xff), data}; + struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, + .len = sizeof(m)}; + + if (i2c_transfer(adapter, &msg, 1) != 1) { + pr_err(DEVICE_NAME ": Error writing EEPROM!\n"); + return -EIO; + } + return 0; +} + +static int i2c_read_eeprom(struct i2c_adapter *adapter, + u8 adr, u16 reg, u8 *data, int len) +{ + u8 msg[2] = {(reg >> 8), (reg & 0xff)}; + struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, + .buf = msg, .len = 2 }, + {.addr = adr, .flags = I2C_M_RD, + .buf = data, .len = len} }; + + if (i2c_transfer(adapter, msgs, 2) != 2) { + pr_err(DEVICE_NAME ": Error reading EEPROM\n"); + return -EIO; + } + return 0; +} + +static int ReadEEProm(struct i2c_adapter *adapter, + u16 Tag, u32 MaxLen, u8 *data, u32 *pLength) +{ + int status = 0; + u16 Addr = MICNG_EE_START, Length, tag = 0; + u8 EETag[3]; + + while (Addr + sizeof(u16) + 1 < MICNG_EE_END) { + if (i2c_read_eeprom(adapter, 0x50, Addr, EETag, sizeof(EETag))) + return -1; + tag = (EETag[0] << 8) | EETag[1]; + if (tag == MICNG_EETAG_END0 || tag == MICNG_EETAG_END1) + return -1; + if (tag == Tag) + break; + Addr += sizeof(u16) + 1 + EETag[2]; + } + if (Addr + sizeof(u16) + 1 + EETag[2] > MICNG_EE_END) { + pr_err(DEVICE_NAME + ": Reached EOEE @ Tag = %04x Length = %3d\n", + tag, EETag[2]); + return -1; + } + Length = EETag[2]; + if (Length > MaxLen) + Length = (u16) MaxLen; + if (Length > 0) { + Addr += sizeof(u16) + 1; + status = i2c_read_eeprom(adapter, 0x50, Addr, data, Length); + if (!status) { + *pLength = EETag[2]; + if (Length < EETag[2]) + ; /*status=STATUS_BUFFER_OVERFLOW; */ + } + } + return status; +} + +static int WriteEEProm(struct i2c_adapter *adapter, + u16 Tag, u32 Length, u8 *data) +{ + int status = 0; + u16 Addr = MICNG_EE_START; + u8 EETag[3]; + u16 tag = 0; + int retry, i; + + while (Addr + sizeof(u16) + 1 < MICNG_EE_END) { + if (i2c_read_eeprom(adapter, 0x50, Addr, EETag, sizeof(EETag))) + return -1; + tag = (EETag[0] << 8) | EETag[1]; + if (tag == MICNG_EETAG_END0 || tag == MICNG_EETAG_END1) + return -1; + if (tag == Tag) + break; + Addr += sizeof(u16) + 1 + EETag[2]; + } + if (Addr + sizeof(u16) + 1 + EETag[2] > MICNG_EE_END) { + pr_err(DEVICE_NAME + ": Reached EOEE @ Tag = %04x Length = %3d\n", + tag, EETag[2]); + return -1; + } + + if (Length > EETag[2]) + return -EINVAL; + /* Note: We write the data one byte at a time to avoid + issues with page sizes. (which are different for + each manufacture and eeprom size) + */ + Addr += sizeof(u16) + 1; + for (i = 0; i < Length; i++, Addr++) { + status = i2c_write_eeprom(adapter, 0x50, Addr, data[i]); + + if (status) + break; + + /* Poll for finishing write cycle */ + retry = 10; + while (retry) { + u8 Tmp; + + msleep(50); + status = i2c_read_eeprom(adapter, 0x50, Addr, &Tmp, 1); + if (status) + break; + if (Tmp != data[i]) + pr_err(DEVICE_NAME + "eeprom write error\n"); + retry -= 1; + } + if (status) { + pr_err(DEVICE_NAME + ": Timeout polling eeprom\n"); + break; + } + } + return status; +} + +static int eeprom_read_ushort(struct i2c_adapter *adapter, u16 tag, u16 *data) +{ + int stat; + u8 buf[2]; + u32 len = 0; + + stat = ReadEEProm(adapter, tag, 2, buf, &len); + if (stat) + return stat; + if (len != 2) + return -EINVAL; + + *data = (buf[0] << 8) | buf[1]; + return 0; +} + +static int eeprom_write_ushort(struct i2c_adapter *adapter, u16 tag, u16 data) +{ + int stat; + u8 buf[2]; + + buf[0] = data >> 8; + buf[1] = data & 0xff; + stat = WriteEEProm(adapter, tag, 2, buf); + if (stat) + return stat; + return 0; +} + +static s16 osc_deviation(void *priv, s16 deviation, int flag) +{ + struct ngene_channel *chan = priv; + struct i2c_adapter *adap = &chan->i2c_adapter; + u16 data = 0; + + if (flag) { + data = (u16) deviation; + pr_info(DEVICE_NAME ": write deviation %d\n", + deviation); + eeprom_write_ushort(adap, 0x1000 + chan->number, data); + } else { + if (eeprom_read_ushort(adap, 0x1000 + chan->number, &data)) + data = 0; + pr_info(DEVICE_NAME ": read deviation %d\n", + (s16) data); + } + + return (s16) data; +} + /****************************************************************************/ /* Switch control (I2C gates, etc.) *****************************************/ /****************************************************************************/ @@ -464,6 +695,37 @@ static struct ngene_info ngene_info_m780 = { .fw_version = 15, }; +static struct drxd_config fe_terratec_dvbt_0 = { + .index = 0, + .demod_address = 0x70, + .demod_revision = 0xa2, + .demoda_address = 0x00, + .pll_address = 0x60, + .pll_type = DVB_PLL_THOMSON_DTT7520X, + .clock = 20000, + .osc_deviation = osc_deviation, +}; + +static struct drxd_config fe_terratec_dvbt_1 = { + .index = 1, + .demod_address = 0x71, + .demod_revision = 0xa2, + .demoda_address = 0x00, + .pll_address = 0x60, + .pll_type = DVB_PLL_THOMSON_DTT7520X, + .clock = 20000, + .osc_deviation = osc_deviation, +}; + +static struct ngene_info ngene_info_terratec = { + .type = NGENE_TERRATEC, + .name = "Terratec Integra/Cinergy2400i Dual DVB-T", + .io_type = {NGENE_IO_TSIN, NGENE_IO_TSIN}, + .demod_attach = {demod_attach_drxd, demod_attach_drxd}, + .fe_config = {&fe_terratec_dvbt_0, &fe_terratec_dvbt_1}, + .i2c_access = 1, +}; + /****************************************************************************/ @@ -488,6 +750,7 @@ static const struct pci_device_id ngene_id_tbl[] __devinitdata = { NGENE_ID(0x18c3, 0xdd10, ngene_info_duoFlex), NGENE_ID(0x18c3, 0xdd20, ngene_info_duoFlex), NGENE_ID(0x1461, 0x062e, ngene_info_m780), + NGENE_ID(0x153b, 0x1167, ngene_info_terratec), {0} }; MODULE_DEVICE_TABLE(pci, ngene_id_tbl); |