diff options
author | Antti Palosaari <crope@iki.fi> | 2014-08-31 20:57:05 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-21 19:37:33 -0300 |
commit | f5b00a767006e47f9c32099f0797068a7a3e4c5c (patch) | |
tree | d35c687d37592e704d82beb8cdc9057aadce39c6 /drivers/media/dvb-frontends/af9033.c | |
parent | 09611caad158f868993261c7d9277a9a331f8ea3 (diff) |
[media] af9033: convert to I2C client
Convert driver to kernel I2C model.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/af9033.c')
-rw-r--r-- | drivers/media/dvb-frontends/af9033.c | 236 |
1 files changed, 130 insertions, 106 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 43b7335f27e4..c40ae49effb5 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -25,7 +25,7 @@ #define MAX_XFER_SIZE 64 struct af9033_dev { - struct i2c_adapter *i2c; + struct i2c_client *client; struct dvb_frontend fe; struct af9033_config cfg; @@ -46,7 +46,7 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val, u8 buf[MAX_XFER_SIZE]; struct i2c_msg msg[1] = { { - .addr = dev->cfg.i2c_addr, + .addr = dev->client->addr, .flags = 0, .len = 3 + len, .buf = buf, @@ -54,7 +54,7 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val, }; if (3 + len > sizeof(buf)) { - dev_warn(&dev->i2c->dev, + dev_warn(&dev->client->dev, "%s: i2c wr reg=%04x: len=%d is too big!\n", KBUILD_MODNAME, reg, len); return -EINVAL; @@ -65,11 +65,11 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val, buf[2] = (reg >> 0) & 0xff; memcpy(&buf[3], val, len); - ret = i2c_transfer(dev->i2c, msg, 1); + ret = i2c_transfer(dev->client->adapter, msg, 1); if (ret == 1) { ret = 0; } else { - dev_warn(&dev->i2c->dev, + dev_warn(&dev->client->dev, "%s: i2c wr failed=%d reg=%06x len=%d\n", KBUILD_MODNAME, ret, reg, len); ret = -EREMOTEIO; @@ -86,23 +86,23 @@ static int af9033_rd_regs(struct af9033_dev *dev, u32 reg, u8 *val, int len) (reg >> 0) & 0xff }; struct i2c_msg msg[2] = { { - .addr = dev->cfg.i2c_addr, + .addr = dev->client->addr, .flags = 0, .len = sizeof(buf), .buf = buf }, { - .addr = dev->cfg.i2c_addr, + .addr = dev->client->addr, .flags = I2C_M_RD, .len = len, .buf = val } }; - ret = i2c_transfer(dev->i2c, msg, 2); + ret = i2c_transfer(dev->client->adapter, msg, 2); if (ret == 2) { ret = 0; } else { - dev_warn(&dev->i2c->dev, + dev_warn(&dev->client->dev, "%s: i2c rd failed=%d reg=%06x len=%d\n", KBUILD_MODNAME, ret, reg, len); ret = -EREMOTEIO; @@ -176,10 +176,10 @@ static int af9033_wr_reg_val_tab(struct af9033_dev *dev, int ret, i, j; u8 buf[1 + MAX_TAB_LEN]; - dev_dbg(&dev->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); + dev_dbg(&dev->client->dev, "%s: tab_len=%d\n", __func__, tab_len); if (tab_len > sizeof(buf)) { - dev_warn(&dev->i2c->dev, "%s: tab len %d is too big\n", + dev_warn(&dev->client->dev, "%s: tab len %d is too big\n", KBUILD_MODNAME, tab_len); return -EINVAL; } @@ -201,7 +201,7 @@ static int af9033_wr_reg_val_tab(struct af9033_dev *dev, return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -210,7 +210,7 @@ static u32 af9033_div(struct af9033_dev *dev, u32 a, u32 b, u32 x) { u32 r = 0, c = 0, i; - dev_dbg(&dev->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x); + dev_dbg(&dev->client->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x); if (a > b) { c = a / b; @@ -227,19 +227,12 @@ static u32 af9033_div(struct af9033_dev *dev, u32 a, u32 b, u32 x) } r = (c << (u32)x) + r; - dev_dbg(&dev->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n", + dev_dbg(&dev->client->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n", __func__, a, b, x, r, r); return r; } -static void af9033_release(struct dvb_frontend *fe) -{ - struct af9033_dev *dev = fe->demodulator_priv; - - kfree(dev); -} - static int af9033_init(struct dvb_frontend *fe) { struct af9033_dev *dev = fe->demodulator_priv; @@ -283,7 +276,7 @@ static int af9033_init(struct dvb_frontend *fe) buf[2] = (clock_cw >> 16) & 0xff; buf[3] = (clock_cw >> 24) & 0xff; - dev_dbg(&dev->i2c->dev, "%s: clock=%d clock_cw=%08x\n", + dev_dbg(&dev->client->dev, "%s: clock=%d clock_cw=%08x\n", __func__, dev->cfg.clock, clock_cw); ret = af9033_wr_regs(dev, 0x800025, buf, 4); @@ -301,7 +294,7 @@ static int af9033_init(struct dvb_frontend *fe) buf[1] = (adc_cw >> 8) & 0xff; buf[2] = (adc_cw >> 16) & 0xff; - dev_dbg(&dev->i2c->dev, "%s: adc=%d adc_cw=%06x\n", + dev_dbg(&dev->client->dev, "%s: adc=%d adc_cw=%06x\n", __func__, clock_adc_lut[i].adc, adc_cw); ret = af9033_wr_regs(dev, 0x80f1cd, buf, 3); @@ -343,7 +336,7 @@ static int af9033_init(struct dvb_frontend *fe) } /* load OFSM settings */ - dev_dbg(&dev->i2c->dev, "%s: load ofsm settings\n", __func__); + dev_dbg(&dev->client->dev, "%s: load ofsm settings\n", __func__); switch (dev->cfg.tuner) { case AF9033_TUNER_IT9135_38: case AF9033_TUNER_IT9135_51: @@ -368,7 +361,7 @@ static int af9033_init(struct dvb_frontend *fe) goto err; /* load tuner specific settings */ - dev_dbg(&dev->i2c->dev, "%s: load tuner specific settings\n", + dev_dbg(&dev->client->dev, "%s: load tuner specific settings\n", __func__); switch (dev->cfg.tuner) { case AF9033_TUNER_TUA9001: @@ -420,7 +413,7 @@ static int af9033_init(struct dvb_frontend *fe) init = tuner_init_it9135_62; break; default: - dev_dbg(&dev->i2c->dev, "%s: unsupported tuner ID=%d\n", + dev_dbg(&dev->client->dev, "%s: unsupported tuner ID=%d\n", __func__, dev->cfg.tuner); ret = -ENODEV; goto err; @@ -458,7 +451,7 @@ static int af9033_init(struct dvb_frontend *fe) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -485,7 +478,7 @@ static int af9033_sleep(struct dvb_frontend *fe) usleep_range(200, 10000); } - dev_dbg(&dev->i2c->dev, "%s: loop=%d\n", __func__, i); + dev_dbg(&dev->client->dev, "%s: loop=%d\n", __func__, i); if (i == 0) { ret = -ETIMEDOUT; @@ -511,7 +504,7 @@ static int af9033_sleep(struct dvb_frontend *fe) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -535,7 +528,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe) u8 tmp, buf[3], bandwidth_reg_val; u32 if_frequency, freq_cw, adc_freq; - dev_dbg(&dev->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", + dev_dbg(&dev->client->dev, "%s: frequency=%d bandwidth_hz=%d\n", __func__, c->frequency, c->bandwidth_hz); /* check bandwidth */ @@ -550,7 +543,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe) bandwidth_reg_val = 0x02; break; default: - dev_dbg(&dev->i2c->dev, "%s: invalid bandwidth_hz\n", + dev_dbg(&dev->client->dev, "%s: invalid bandwidth_hz\n", __func__); ret = -EINVAL; goto err; @@ -653,7 +646,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -665,7 +658,7 @@ static int af9033_get_frontend(struct dvb_frontend *fe) int ret; u8 buf[8]; - dev_dbg(&dev->i2c->dev, "%s:\n", __func__); + dev_dbg(&dev->client->dev, "%s:\n", __func__); /* read all needed registers */ ret = af9033_rd_regs(dev, 0x80f900, buf, sizeof(buf)); @@ -780,7 +773,7 @@ static int af9033_get_frontend(struct dvb_frontend *fe) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -826,7 +819,7 @@ static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -880,7 +873,7 @@ static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -902,7 +895,7 @@ static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -948,7 +941,7 @@ static int af9033_update_ch_stat(struct af9033_dev *dev) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -986,7 +979,7 @@ static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) struct af9033_dev *dev = fe->demodulator_priv; int ret; - dev_dbg(&dev->i2c->dev, "%s: enable=%d\n", __func__, enable); + dev_dbg(&dev->client->dev, "%s: enable=%d\n", __func__, enable); ret = af9033_wr_reg_mask(dev, 0x00fa04, enable, 0x01); if (ret < 0) @@ -995,7 +988,7 @@ static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -1005,7 +998,7 @@ static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff) struct af9033_dev *dev = fe->demodulator_priv; int ret; - dev_dbg(&dev->i2c->dev, "%s: onoff=%d\n", __func__, onoff); + dev_dbg(&dev->client->dev, "%s: onoff=%d\n", __func__, onoff); ret = af9033_wr_reg_mask(dev, 0x80f993, onoff, 0x01); if (ret < 0) @@ -1014,7 +1007,7 @@ static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff) return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -1026,7 +1019,7 @@ static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid, int ret; u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff}; - dev_dbg(&dev->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n", + dev_dbg(&dev->client->dev, "%s: index=%d pid=%04x onoff=%d\n", __func__, index, pid, onoff); if (pid > 0x1fff) @@ -1047,38 +1040,79 @@ static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid, return 0; err: - dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } -static struct dvb_frontend_ops af9033_ops; +static struct dvb_frontend_ops af9033_ops = { + .delsys = { SYS_DVBT }, + .info = { + .name = "Afatech AF9033 (DVB-T)", + .frequency_min = 174000000, + .frequency_max = 862000000, + .frequency_stepsize = 250000, + .frequency_tolerance = 0, + .caps = FE_CAN_FEC_1_2 | + FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | + FE_CAN_FEC_7_8 | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK | + FE_CAN_QAM_16 | + FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO | + FE_CAN_RECOVER | + FE_CAN_MUTE_TS + }, + + .init = af9033_init, + .sleep = af9033_sleep, + + .get_tune_settings = af9033_get_tune_settings, + .set_frontend = af9033_set_frontend, + .get_frontend = af9033_get_frontend, + + .read_status = af9033_read_status, + .read_snr = af9033_read_snr, + .read_signal_strength = af9033_read_signal_strength, + .read_ber = af9033_read_ber, + .read_ucblocks = af9033_read_ucblocks, + + .i2c_gate_ctrl = af9033_i2c_gate_ctrl, +}; -struct dvb_frontend *af9033_attach(const struct af9033_config *config, - struct i2c_adapter *i2c, - struct af9033_ops *ops) +static int af9033_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - int ret; + struct af9033_config *cfg = client->dev.platform_data; struct af9033_dev *dev; + int ret; u8 buf[8]; u32 reg; - dev_dbg(&i2c->dev, "%s:\n", __func__); - /* allocate memory for the internal state */ dev = kzalloc(sizeof(struct af9033_dev), GFP_KERNEL); - if (dev == NULL) + if (dev == NULL) { + ret = -ENOMEM; + dev_err(&client->dev, "Could not allocate memory for state\n"); goto err; + } /* setup the state */ - dev->i2c = i2c; - memcpy(&dev->cfg, config, sizeof(struct af9033_config)); + dev->client = client; + memcpy(&dev->cfg, cfg, sizeof(struct af9033_config)); if (dev->cfg.clock != 12000000) { - dev_err(&dev->i2c->dev, + ret = -ENODEV; + dev_err(&dev->client->dev, "%s: af9033: unsupported clock=%d, only 12000000 Hz is supported currently\n", KBUILD_MODNAME, dev->cfg.clock); - goto err; + goto err_kfree; } /* firmware version */ @@ -1098,13 +1132,13 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config, ret = af9033_rd_regs(dev, reg, &buf[0], 4); if (ret < 0) - goto err; + goto err_kfree; ret = af9033_rd_regs(dev, 0x804191, &buf[4], 4); if (ret < 0) - goto err; + goto err_kfree; - dev_info(&dev->i2c->dev, + dev_info(&dev->client->dev, "%s: firmware version: LINK=%d.%d.%d.%d OFDM=%d.%d.%d.%d\n", KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]); @@ -1122,11 +1156,11 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config, default: ret = af9033_wr_reg(dev, 0x80004c, 1); if (ret < 0) - goto err; + goto err_kfree; ret = af9033_wr_reg(dev, 0x800000, 0); if (ret < 0) - goto err; + goto err_kfree; } /* configure internal TS mode */ @@ -1146,63 +1180,53 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config, /* create dvb_frontend */ memcpy(&dev->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops)); dev->fe.demodulator_priv = dev; - - if (ops) { - ops->pid_filter = af9033_pid_filter; - ops->pid_filter_ctrl = af9033_pid_filter_ctrl; + *cfg->fe = &dev->fe; + if (cfg->ops) { + cfg->ops->pid_filter = af9033_pid_filter; + cfg->ops->pid_filter_ctrl = af9033_pid_filter_ctrl; } + i2c_set_clientdata(client, dev); - return &dev->fe; - -err: + dev_info(&dev->client->dev, "Afatech AF9033 successfully attached\n"); + return 0; +err_kfree: kfree(dev); - return NULL; +err: + dev_dbg(&client->dev, "failed %d\n", ret); + return ret; } -EXPORT_SYMBOL(af9033_attach); -static struct dvb_frontend_ops af9033_ops = { - .delsys = { SYS_DVBT }, - .info = { - .name = "Afatech AF9033 (DVB-T)", - .frequency_min = 174000000, - .frequency_max = 862000000, - .frequency_stepsize = 250000, - .frequency_tolerance = 0, - .caps = FE_CAN_FEC_1_2 | - FE_CAN_FEC_2_3 | - FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | - FE_CAN_FEC_7_8 | - FE_CAN_FEC_AUTO | - FE_CAN_QPSK | - FE_CAN_QAM_16 | - FE_CAN_QAM_64 | - FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_HIERARCHY_AUTO | - FE_CAN_RECOVER | - FE_CAN_MUTE_TS - }, +static int af9033_remove(struct i2c_client *client) +{ + struct af9033_dev *dev = i2c_get_clientdata(client); - .release = af9033_release, + dev_dbg(&client->dev, "%s\n", __func__); - .init = af9033_init, - .sleep = af9033_sleep, + dev->fe.ops.release = NULL; + dev->fe.demodulator_priv = NULL; + kfree(dev); - .get_tune_settings = af9033_get_tune_settings, - .set_frontend = af9033_set_frontend, - .get_frontend = af9033_get_frontend, + return 0; +} - .read_status = af9033_read_status, - .read_snr = af9033_read_snr, - .read_signal_strength = af9033_read_signal_strength, - .read_ber = af9033_read_ber, - .read_ucblocks = af9033_read_ucblocks, +static const struct i2c_device_id af9033_id_table[] = { + {"af9033", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, af9033_id_table); - .i2c_gate_ctrl = af9033_i2c_gate_ctrl, +static struct i2c_driver af9033_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "af9033", + }, + .probe = af9033_probe, + .remove = af9033_remove, + .id_table = af9033_id_table, }; +module_i2c_driver(af9033_driver); + MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver"); MODULE_LICENSE("GPL"); |