[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 <patricechot...@free.fr>
---
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 7539a5d..08c610f 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"
/****************************************************************************/
@@ -312,6 +314,235 @@ 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.) *****************************************/
/****************************************************************************/
@@ -463,6 +694,37 @@ 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,
+};
+
/****************************************************************************/
@@ -487,6 +749,7 @@ 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);
--
1.7.9.1
--
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