--- /dev/null
+/*
+ * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
+ * flexcop-fe-tuner.c - methods for frontend attachment and DiSEqC controlling
+ * see flexcop.c for copyright information
+ */
+#include <media/tuner.h>
+#include "flexcop.h"
+#include "mt312.h"
+#include "stv0299.h"
+#include "s5h1420.h"
+#include "itd1000.h"
+#include "cx24113.h"
+#include "cx24123.h"
+#include "isl6421.h"
+#include "mt352.h"
+#include "bcm3510.h"
+#include "nxt200x.h"
+#include "dvb-pll.h"
+#include "lgdt330x.h"
+#include "tuner-simple.h"
+#include "stv0297.h"
+
+
+/* Can we use the specified front-end? Remember that if we are compiled
+ * into the kernel we can't call code that's in modules. */
+#define FE_SUPPORTED(fe) (defined(CONFIG_DVB_##fe) || \
+ (defined(CONFIG_DVB_##fe##_MODULE) && defined(MODULE)))
+
+/* lnb control */
+#if FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)
+static int flexcop_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+ struct flexcop_device *fc = fe->dvb->priv;
+ flexcop_ibi_value v;
+ deb_tuner("polarity/voltage = %u\n", voltage);
+
+ v = fc->read_ibi_reg(fc, misc_204);
+ switch (voltage) {
+ case SEC_VOLTAGE_OFF:
+ v.misc_204.ACPI1_sig = 1;
+ break;
+ case SEC_VOLTAGE_13:
+ v.misc_204.ACPI1_sig = 0;
+ v.misc_204.LNB_L_H_sig = 0;
+ break;
+ case SEC_VOLTAGE_18:
+ v.misc_204.ACPI1_sig = 0;
+ v.misc_204.LNB_L_H_sig = 1;
+ break;
+ default:
+ err("unknown SEC_VOLTAGE value");
+ return -EINVAL;
+ }
+ return fc->write_ibi_reg(fc, misc_204, v);
+}
+#endif
+
+#if FE_SUPPORTED(S5H1420) || FE_SUPPORTED(STV0299) || FE_SUPPORTED(MT312)
+static int flexcop_sleep(struct dvb_frontend* fe)
+{
+ struct flexcop_device *fc = fe->dvb->priv;
+ if (fc->fe_sleep)
+ return fc->fe_sleep(fe);
+ return 0;
+}
+#endif
+
+/* SkyStar2 DVB-S rev 2.3 */
+#if FE_SUPPORTED(MT312) && FE_SUPPORTED(PLL)
+static int flexcop_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+/* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
+ struct flexcop_device *fc = fe->dvb->priv;
+ flexcop_ibi_value v;
+ u16 ax;
+ v.raw = 0;
+ deb_tuner("tone = %u\n",tone);
+
+ switch (tone) {
+ case SEC_TONE_ON:
+ ax = 0x01ff;
+ break;
+ case SEC_TONE_OFF:
+ ax = 0;
+ break;
+ default:
+ err("unknown SEC_TONE value");
+ return -EINVAL;
+ }
+
+ v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
+ v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
+ v.lnb_switch_freq_200.LNB_CTLLowCount_sig = ax == 0 ? 0x1ff : ax;
+ return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
+}
+
+static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
+{
+ flexcop_set_tone(fe, SEC_TONE_ON);
+ udelay(data ? 500 : 1000);
+ flexcop_set_tone(fe, SEC_TONE_OFF);
+ udelay(data ? 1000 : 500);
+}
+
+static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
+{
+ int i, par = 1, d;
+ for (i = 7; i >= 0; i--) {
+ d = (data >> i) & 1;
+ par ^= d;
+ flexcop_diseqc_send_bit(fe, d);
+ }
+ flexcop_diseqc_send_bit(fe, par);
+}
+
+static int flexcop_send_diseqc_msg(struct dvb_frontend *fe,
+ int len, u8 *msg, unsigned long burst)
+{
+ int i;
+
+ flexcop_set_tone(fe, SEC_TONE_OFF);
+ mdelay(16);
+
+ for (i = 0; i < len; i++)
+ flexcop_diseqc_send_byte(fe,msg[i]);
+ mdelay(16);
+
+ if (burst != -1) {
+ if (burst)
+ flexcop_diseqc_send_byte(fe, 0xff);
+ else {
+ flexcop_set_tone(fe, SEC_TONE_ON);
+ mdelay(12);
+ udelay(500);
+ flexcop_set_tone(fe, SEC_TONE_OFF);
+ }
+ msleep(20);
+ }
+ return 0;
+}
+
+static int flexcop_diseqc_send_master_cmd(struct dvb_frontend *fe,
+ struct dvb_diseqc_master_cmd *cmd)
+{
+ return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
+}
+
+static int flexcop_diseqc_send_burst(struct dvb_frontend *fe,
+ fe_sec_mini_cmd_t minicmd)
+{
+ return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
+}
+
+static struct mt312_config skystar23_samsung_tbdu18132_config = {
+ .demod_address = 0x0e,
+};
+
+static int skystar2_rev23_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ struct dvb_frontend_ops *ops;
+
+ fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
+ if (!fc->fe)
+ return 0;
+
+ if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
+ DVB_PLL_SAMSUNG_TBDU18132))
+ return 0;
+
+ ops = &fc->fe->ops;
+ ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
+ ops->diseqc_send_burst = flexcop_diseqc_send_burst;
+ ops->set_tone = flexcop_set_tone;
+ ops->set_voltage = flexcop_set_voltage;
+ fc->fe_sleep = ops->sleep;
+ ops->sleep = flexcop_sleep;
+ return 1;
+}
+#else
+#define skystar2_rev23_attach NULL
+#endif
+
+/* SkyStar2 DVB-S rev 2.6 */
+#if FE_SUPPORTED(STV0299) && FE_SUPPORTED(PLL)
+static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend *fe,
+ u32 srate, u32 ratio)
+{
+ u8 aclk = 0;
+ u8 bclk = 0;
+
+ if (srate < 1500000) {
+ aclk = 0xb7; bclk = 0x47;
+ } else if (srate < 3000000) {
+ aclk = 0xb7; bclk = 0x4b;
+ } else if (srate < 7000000) {
+ aclk = 0xb7; bclk = 0x4f;
+ } else if (srate < 14000000) {
+ aclk = 0xb7; bclk = 0x53;
+ } else if (srate < 30000000) {
+ aclk = 0xb6; bclk = 0x53;
+ } else if (srate < 45000000) {
+ aclk = 0xb4; bclk = 0x51;
+ }
+
+ stv0299_writereg(fe, 0x13, aclk);
+ stv0299_writereg(fe, 0x14, bclk);
+ stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
+ stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
+ stv0299_writereg(fe, 0x21, ratio & 0xf0);
+ return 0;
+}
+
+static u8 samsung_tbmu24112_inittab[] = {
+ 0x01, 0x15,
+ 0x02, 0x30,
+ 0x03, 0x00,
+ 0x04, 0x7D,
+ 0x05, 0x35,
+ 0x06, 0x02,
+ 0x07, 0x00,
+ 0x08, 0xC3,
+ 0x0C, 0x00,
+ 0x0D, 0x81,
+ 0x0E, 0x23,
+ 0x0F, 0x12,
+ 0x10, 0x7E,
+ 0x11, 0x84,
+ 0x12, 0xB9,
+ 0x13, 0x88,
+ 0x14, 0x89,
+ 0x15, 0xC9,
+ 0x16, 0x00,
+ 0x17, 0x5C,
+ 0x18, 0x00,
+ 0x19, 0x00,
+ 0x1A, 0x00,
+ 0x1C, 0x00,
+ 0x1D, 0x00,
+ 0x1E, 0x00,
+ 0x1F, 0x3A,
+ 0x20, 0x2E,
+ 0x21, 0x80,
+ 0x22, 0xFF,
+ 0x23, 0xC1,
+ 0x28, 0x00,
+ 0x29, 0x1E,
+ 0x2A, 0x14,
+ 0x2B, 0x0F,
+ 0x2C, 0x09,
+ 0x2D, 0x05,
+ 0x31, 0x1F,
+ 0x32, 0x19,
+ 0x33, 0xFE,
+ 0x34, 0x93,
+ 0xff, 0xff,
+};
+
+static struct stv0299_config samsung_tbmu24112_config = {
+ .demod_address = 0x68,
+ .inittab = samsung_tbmu24112_inittab,
+ .mclk = 88000000UL,
+ .invert = 0,
+ .skip_reinit = 0,
+ .lock_output = STV0299_LOCKOUTPUT_LK,
+ .volt13_op0_op1 = STV0299_VOLT13_OP1,
+ .min_delay_ms = 100,
+ .set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
+};
+
+static int skystar2_rev26_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
+ if (!fc->fe)
+ return 0;
+
+ if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
+ DVB_PLL_SAMSUNG_TBMU24112))
+ return 0;
+
+ fc->fe->ops.set_voltage = flexcop_set_voltage;
+ fc->fe_sleep = fc->fe->ops.sleep;
+ fc->fe->ops.sleep = flexcop_sleep;
+ return 1;
+
+}
+#else
+#define skystar2_rev26_attach NULL
+#endif
+
+/* SkyStar2 DVB-S rev 2.7 */
+#if FE_SUPPORTED(S5H1420) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_ITD1000)
+static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
+ .demod_address = 0x53,
+ .invert = 1,
+ .repeated_start_workaround = 1,
+ .serial_mpeg = 1,
+};
+
+static struct itd1000_config skystar2_rev2_7_itd1000_config = {
+ .i2c_address = 0x61,
+};
+
+static int skystar2_rev27_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ flexcop_ibi_value r108;
+ struct i2c_adapter *i2c_tuner;
+
+ /* enable no_base_addr - no repeated start when reading */
+ fc->fc_i2c_adap[0].no_base_addr = 1;
+ fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
+ i2c);
+ if (!fc->fe)
+ goto fail;
+
+ i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
+ if (!i2c_tuner)
+ goto fail;
+
+ fc->fe_sleep = fc->fe->ops.sleep;
+ fc->fe->ops.sleep = flexcop_sleep;
+
+ /* enable no_base_addr - no repeated start when reading */
+ fc->fc_i2c_adap[2].no_base_addr = 1;
+ if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
+ 0x08, 1, 1, false)) {
+ err("ISL6421 could NOT be attached");
+ goto fail_isl;
+ }
+ info("ISL6421 successfully attached");
+
+ /* the ITD1000 requires a lower i2c clock - is it a problem ? */
+ r108.raw = 0x00000506;
+ fc->write_ibi_reg(fc, tw_sm_c_108, r108);
+ if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
+ &skystar2_rev2_7_itd1000_config)) {
+ err("ITD1000 could NOT be attached");
+ /* Should i2c clock be restored? */
+ goto fail_isl;
+ }
+ info("ITD1000 successfully attached");
+
+ return 1;
+
+fail_isl:
+ fc->fc_i2c_adap[2].no_base_addr = 0;
+fail:
+ /* for the next devices we need it again */
+ fc->fc_i2c_adap[0].no_base_addr = 0;
+ return 0;
+}
+#else
+#define skystar2_rev27_attach NULL
+#endif
+
+/* SkyStar2 rev 2.8 */
+#if FE_SUPPORTED(CX24123) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_CX24113)
+static struct cx24123_config skystar2_rev2_8_cx24123_config = {
+ .demod_address = 0x55,
+ .dont_use_pll = 1,
+ .agc_callback = cx24113_agc_callback,
+};
+
+static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
+ .i2c_addr = 0x54,
+ .xtal_khz = 10111,
+};
+
+static int skystar2_rev28_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ struct i2c_adapter *i2c_tuner;
+
+ fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
+ i2c);
+ if (!fc->fe)
+ return 0;
+
+ i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);
+ if (!i2c_tuner)
+ return 0;
+
+ if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
+ i2c_tuner)) {
+ err("CX24113 could NOT be attached");
+ return 0;
+ }
+ info("CX24113 successfully attached");
+
+ fc->fc_i2c_adap[2].no_base_addr = 1;
+ if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
+ 0x08, 0, 0, false)) {
+ err("ISL6421 could NOT be attached");
+ fc->fc_i2c_adap[2].no_base_addr = 0;
+ return 0;
+ }
+ info("ISL6421 successfully attached");
+ /* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
+ * IR-receiver (PIC16F818) - but the card has no input for that ??? */
+ return 1;
+}
+#else
+#define skystar2_rev28_attach NULL
+#endif
+
+/* AirStar DVB-T */
+#if FE_SUPPORTED(MT352) && FE_SUPPORTED(PLL)
+static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe)
+{
+ static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d };
+ static u8 mt352_reset[] = { 0x50, 0x80 };
+ static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
+ static u8 mt352_agc_cfg[] = { 0x67, 0x28, 0xa1 };
+ static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
+
+ mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
+ udelay(2000);
+ mt352_write(fe, mt352_reset, sizeof(mt352_reset));
+ mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
+ mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
+ mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
+ return 0;
+}
+
+static struct mt352_config samsung_tdtc9251dh0_config = {
+ .demod_address = 0x0f,
+ .demod_init = samsung_tdtc9251dh0_demod_init,
+};
+
+static int airstar_dvbt_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
+ if (!fc->fe)
+ return 0;
+
+ return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
+ DVB_PLL_SAMSUNG_TDTC9251DH0);
+}
+#else
+#define airstar_dvbt_attach NULL
+#endif
+
+/* AirStar ATSC 1st generation */
+#if FE_SUPPORTED(BCM3510)
+static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
+ const struct firmware **fw, char* name)
+{
+ struct flexcop_device *fc = fe->dvb->priv;
+ return request_firmware(fw, name, fc->dev);
+}
+
+static struct bcm3510_config air2pc_atsc_first_gen_config = {
+ .demod_address = 0x0f,
+ .request_firmware = flexcop_fe_request_firmware,
+};
+
+static int airstar_atsc1_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
+ return fc->fe != NULL;
+}
+#else
+#define airstar_atsc1_attach NULL
+#endif
+
+/* AirStar ATSC 2nd generation */
+#if FE_SUPPORTED(NXT200X) && FE_SUPPORTED(PLL)
+static struct nxt200x_config samsung_tbmv_config = {
+ .demod_address = 0x0a,
+};
+
+static int airstar_atsc2_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
+ if (!fc->fe)
+ return 0;
+
+ return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
+ DVB_PLL_SAMSUNG_TBMV);
+}
+#else
+#define airstar_atsc2_attach NULL
+#endif
+
+/* AirStar ATSC 3rd generation */
+#if FE_SUPPORTED(LGDT330X)
+static struct lgdt330x_config air2pc_atsc_hd5000_config = {
+ .demod_address = 0x59,
+ .demod_chip = LGDT3303,
+ .serial_mpeg = 0x04,
+ .clock_polarity_flip = 1,
+};
+
+static int airstar_atsc3_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
+ if (!fc->fe)
+ return 0;
+
+ return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
+ TUNER_LG_TDVS_H06XF);
+}
+#else
+#define airstar_atsc3_attach NULL
+#endif
+
+/* CableStar2 DVB-C */
+#if FE_SUPPORTED(STV0297) && FE_SUPPORTED(PLL)
+static u8 alps_tdee4_stv0297_inittab[] = {
+ 0x80, 0x01,
+ 0x80, 0x00,
+ 0x81, 0x01,
+ 0x81, 0x00,
+ 0x00, 0x48,
+ 0x01, 0x58,
+ 0x03, 0x00,
+ 0x04, 0x00,
+ 0x07, 0x00,
+ 0x08, 0x00,
+ 0x30, 0xff,
+ 0x31, 0x9d,
+ 0x32, 0xff,
+ 0x33, 0x00,
+ 0x34, 0x29,
+ 0x35, 0x55,
+ 0x36, 0x80,
+ 0x37, 0x6e,
+ 0x38, 0x9c,
+ 0x40, 0x1a,
+ 0x41, 0xfe,
+ 0x42, 0x33,
+ 0x43, 0x00,
+ 0x44, 0xff,
+ 0x45, 0x00,
+ 0x46, 0x00,
+ 0x49, 0x04,
+ 0x4a, 0x51,
+ 0x4b, 0xf8,
+ 0x52, 0x30,
+ 0x53, 0x06,
+ 0x59, 0x06,
+ 0x5a, 0x5e,
+ 0x5b, 0x04,
+ 0x61, 0x49,
+ 0x62, 0x0a,
+ 0x70, 0xff,
+ 0x71, 0x04,
+ 0x72, 0x00,
+ 0x73, 0x00,
+ 0x74, 0x0c,
+ 0x80, 0x20,
+ 0x81, 0x00,
+ 0x82, 0x30,
+ 0x83, 0x00,
+ 0x84, 0x04,
+ 0x85, 0x22,
+ 0x86, 0x08,
+ 0x87, 0x1b,
+ 0x88, 0x00,
+ 0x89, 0x00,
+ 0x90, 0x00,
+ 0x91, 0x04,
+ 0xa0, 0x86,
+ 0xa1, 0x00,
+ 0xa2, 0x00,
+ 0xb0, 0x91,
+ 0xb1, 0x0b,
+ 0xc0, 0x5b,
+ 0xc1, 0x10,
+ 0xc2, 0x12,
+ 0xd0, 0x02,
+ 0xd1, 0x00,
+ 0xd2, 0x00,
+ 0xd3, 0x00,
+ 0xd4, 0x02,
+ 0xd5, 0x00,
+ 0xde, 0x00,
+ 0xdf, 0x01,
+ 0xff, 0xff,
+};
+
+static struct stv0297_config alps_tdee4_stv0297_config = {
+ .demod_address = 0x1c,
+ .inittab = alps_tdee4_stv0297_inittab,
+};
+
+static int cablestar2_attach(struct flexcop_device *fc,
+ struct i2c_adapter *i2c)
+{
+ fc->fc_i2c_adap[0].no_base_addr = 1;
+ fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
+ if (!fc->fe)
+ goto fail;
+
+ /* This tuner doesn't use the stv0297's I2C gate, but instead the
+ * tuner is connected to a different flexcop I2C adapter. */
+ if (fc->fe->ops.i2c_gate_ctrl)
+ fc->fe->ops.i2c_gate_ctrl(fc->fe, 0);
+ fc->fe->ops.i2c_gate_ctrl = NULL;
+
+ if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61,
+ &fc->fc_i2c_adap[2].i2c_adap, DVB_PLL_TDEE4))
+ goto fail;
+
+ return 1;
+
+fail:
+ /* Reset for next frontend to try */
+ fc->fc_i2c_adap[0].no_base_addr = 0;
+ return 0;
+}
+#else
+#define cablestar2_attach NULL
+#endif
+
+static struct {
+ flexcop_device_type_t type;
+ int (*attach)(struct flexcop_device *, struct i2c_adapter *);
+} flexcop_frontends[] = {
+ { FC_SKY_REV27, skystar2_rev27_attach },
+ { FC_SKY_REV28, skystar2_rev28_attach },
+ { FC_SKY_REV26, skystar2_rev26_attach },
+ { FC_AIR_DVBT, airstar_dvbt_attach },
+ { FC_AIR_ATSC2, airstar_atsc2_attach },
+ { FC_AIR_ATSC3, airstar_atsc3_attach },
+ { FC_AIR_ATSC1, airstar_atsc1_attach },
+ { FC_CABLE, cablestar2_attach },
+ { FC_SKY_REV23, skystar2_rev23_attach },
+};
+
+/* try to figure out the frontend */
+int flexcop_frontend_init(struct flexcop_device *fc)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(flexcop_frontends); i++) {
+ if (!flexcop_frontends[i].attach)
+ continue;
+ /* type needs to be set before, because of some workarounds
+ * done based on the probed card type */
+ fc->dev_type = flexcop_frontends[i].type;
+ if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
+ goto fe_found;
+ /* Clean up partially attached frontend */
+ if (fc->fe) {
+ dvb_frontend_detach(fc->fe);
+ fc->fe = NULL;
+ }
+ }
+ fc->dev_type = FC_UNK;
+ err("no frontend driver found for this B2C2/FlexCop adapter");
+ return -ENODEV;
+
+fe_found:
+ info("found '%s' .", fc->fe->ops.info.name);
+ if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
+ err("frontend registration failed!");
+ dvb_frontend_detach(fc->fe);
+ fc->fe = NULL;
+ return -EINVAL;
+ }
+ fc->init_state |= FC_STATE_FE_INIT;
+ return 0;
+}
+
+void flexcop_frontend_exit(struct flexcop_device *fc)
+{
+ if (fc->init_state & FC_STATE_FE_INIT) {
+ dvb_unregister_frontend(fc->fe);
+ dvb_frontend_detach(fc->fe);
+ }
+ fc->init_state &= ~FC_STATE_FE_INIT;
+}
Code Review / kvmfornfv.git / blobdiff