^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Silicon Labs Si2168 DVB-T/T2/C demodulator driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "si2168_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static const struct dvb_frontend_ops si2168_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static void cmd_init(struct si2168_cmd *cmd, const u8 *buf, int wlen, int rlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) memcpy(cmd->args, buf, wlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) cmd->wlen = wlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) cmd->rlen = rlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* execute firmware command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static int si2168_cmd_execute(struct i2c_client *client, struct si2168_cmd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) unsigned long timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) mutex_lock(&dev->i2c_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) if (cmd->wlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* write cmd and args for firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ret = i2c_master_send(client, cmd->args, cmd->wlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) goto err_mutex_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) } else if (ret != cmd->wlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) ret = -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) goto err_mutex_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (cmd->rlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* wait cmd execution terminate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define TIMEOUT 70
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) timeout = jiffies + msecs_to_jiffies(TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) while (!time_after(jiffies, timeout)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ret = i2c_master_recv(client, cmd->args, cmd->rlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) goto err_mutex_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) } else if (ret != cmd->rlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) ret = -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) goto err_mutex_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* firmware ready? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if ((cmd->args[0] >> 7) & 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) dev_dbg(&client->dev, "cmd execution took %d ms\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) jiffies_to_msecs(jiffies) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) (jiffies_to_msecs(timeout) - TIMEOUT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* error bit set? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if ((cmd->args[0] >> 6) & 0x01) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) ret = -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) goto err_mutex_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (!((cmd->args[0] >> 7) & 0x01)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ret = -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) goto err_mutex_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) mutex_unlock(&dev->i2c_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) err_mutex_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) mutex_unlock(&dev->i2c_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static int si2168_ts_bus_ctrl(struct dvb_frontend *fe, int acquire)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) dev_dbg(&client->dev, "%s acquire: %d\n", __func__, acquire);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* set manual value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (dev->ts_mode & SI2168_TS_CLK_MANUAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) cmd_init(&cmd, "\x14\x00\x0d\x10\xe8\x03", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /* set TS_MODE property */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) cmd_init(&cmd, "\x14\x00\x01\x10\x10\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (dev->ts_mode & SI2168_TS_CLK_MANUAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) cmd.args[4] = SI2168_TS_CLK_MANUAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (acquire)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) cmd.args[4] |= dev->ts_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) cmd.args[4] |= SI2168_TS_TRISTATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (dev->ts_clock_gapped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) cmd.args[4] |= 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) unsigned int utmp, utmp1, utmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) *status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (!dev->active) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) switch (c->delivery_system) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) case SYS_DVBT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) cmd_init(&cmd, "\xa0\x01", 2, 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) case SYS_DVBC_ANNEX_A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) cmd_init(&cmd, "\x90\x01", 2, 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) case SYS_DVBT2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) cmd_init(&cmd, "\x50\x01", 2, 14);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) switch ((cmd.args[2] >> 1) & 0x03) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) case 0x01:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) case 0x03:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) FE_HAS_SYNC | FE_HAS_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) dev->fe_status = *status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (*status & FE_HAS_LOCK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) c->cnr.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) c->cnr.stat[0].svalue = cmd.args[3] * 1000 / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) c->cnr.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) dev_dbg(&client->dev, "status=%02x args=%*ph\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) *status, cmd.rlen, cmd.args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* BER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (*status & FE_HAS_VITERBI) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) cmd_init(&cmd, "\x82\x00", 2, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * Firmware returns [0, 255] mantissa and [0, 8] exponent.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) * Convert to DVB API: mantissa * 10^(8 - exponent) / 10^8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) utmp = clamp(8 - cmd.args[1], 0, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) for (i = 0, utmp1 = 1; i < utmp; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) utmp1 = utmp1 * 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) utmp1 = cmd.args[2] * utmp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) utmp2 = 100000000; /* 10^8 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) dev_dbg(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) "post_bit_error=%u post_bit_count=%u ber=%u*10^-%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) utmp1, utmp2, cmd.args[2], cmd.args[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) c->post_bit_error.stat[0].uvalue += utmp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) c->post_bit_count.stat[0].uvalue += utmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /* UCB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) if (*status & FE_HAS_SYNC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) cmd_init(&cmd, "\x84\x01", 2, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) utmp1 = cmd.args[2] << 8 | cmd.args[1] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) dev_dbg(&client->dev, "block_error=%u\n", utmp1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) /* Sometimes firmware returns bogus value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) if (utmp1 == 0xffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) utmp1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) c->block_error.stat[0].scale = FE_SCALE_COUNTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) c->block_error.stat[0].uvalue += utmp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static int si2168_set_frontend(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) u8 bandwidth, delivery_system;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) dev_dbg(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u stream_id=%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) c->delivery_system, c->modulation, c->frequency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) c->bandwidth_hz, c->symbol_rate, c->inversion,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) c->stream_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (!dev->active) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) switch (c->delivery_system) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) case SYS_DVBT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) delivery_system = 0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) case SYS_DVBC_ANNEX_A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) delivery_system = 0x30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) case SYS_DVBT2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) delivery_system = 0x70;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (c->bandwidth_hz == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) } else if (c->bandwidth_hz <= 2000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) bandwidth = 0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) else if (c->bandwidth_hz <= 5000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) bandwidth = 0x05;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) else if (c->bandwidth_hz <= 6000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) bandwidth = 0x06;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) else if (c->bandwidth_hz <= 7000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) bandwidth = 0x07;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) else if (c->bandwidth_hz <= 8000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) bandwidth = 0x08;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) else if (c->bandwidth_hz <= 9000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) bandwidth = 0x09;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) else if (c->bandwidth_hz <= 10000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) bandwidth = 0x0a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) bandwidth = 0x0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* program tuner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) if (fe->ops.tuner_ops.set_params) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) ret = fe->ops.tuner_ops.set_params(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) cmd_init(&cmd, "\x88\x02\x02\x02\x02", 5, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /* that has no big effect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (c->delivery_system == SYS_DVBT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) cmd_init(&cmd, "\x89\x21\x06\x11\xff\x98", 6, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) else if (c->delivery_system == SYS_DVBC_ANNEX_A)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) cmd_init(&cmd, "\x89\x21\x06\x11\x89\xf0", 6, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) else if (c->delivery_system == SYS_DVBT2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) cmd_init(&cmd, "\x89\x21\x06\x11\x89\x20", 6, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (c->delivery_system == SYS_DVBT2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) /* select PLP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) cmd.args[0] = 0x52;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) cmd.args[1] = c->stream_id & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) cmd.args[2] = c->stream_id == NO_STREAM_ID_FILTER ? 0 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) cmd.wlen = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) cmd.rlen = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) cmd_init(&cmd, "\x51\x03", 2, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) cmd_init(&cmd, "\x12\x08\x04", 3, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) cmd_init(&cmd, "\x14\x00\x0c\x10\x12\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) cmd_init(&cmd, "\x14\x00\x06\x10\x24\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) cmd_init(&cmd, "\x14\x00\x07\x10\x00\x24", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) cmd_init(&cmd, "\x14\x00\x0a\x10\x00\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) cmd.args[4] = delivery_system | bandwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (dev->spectral_inversion)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) cmd.args[5] |= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) /* set DVB-C symbol rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (c->delivery_system == SYS_DVBC_ANNEX_A) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) cmd_init(&cmd, "\x14\x00\x02\x11\x00\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) cmd.args[4] = ((c->symbol_rate / 1000) >> 0) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) cmd_init(&cmd, "\x14\x00\x0f\x10\x10\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) cmd_init(&cmd, "\x14\x00\x09\x10\xe3\x08", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) cmd_init(&cmd, "\x14\x00\x08\x10\xd7\x05", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) cmd_init(&cmd, "\x14\x00\x01\x12\x00\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) cmd_init(&cmd, "\x14\x00\x01\x03\x0c\x00", 6, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) cmd_init(&cmd, "\x85", 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) dev->delivery_system = c->delivery_system;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /* enable ts bus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) ret = si2168_ts_bus_ctrl(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static int si2168_init(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) struct dtv_frontend_properties *c = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) int ret, len, remaining;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) const struct firmware *fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) /* initialize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) cmd_init(&cmd, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 13, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) if (dev->warm) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) /* resume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) cmd_init(&cmd, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) udelay(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) cmd_init(&cmd, "\x85", 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) goto warm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) /* power up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) cmd_init(&cmd, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) /* request the firmware, this will block and timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ret = request_firmware(&fw, dev->firmware_name, &client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) /* fallback mechanism to handle old name for Si2168 B40 fw */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (dev->chip_id == SI2168_CHIP_ID_B40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) dev->firmware_name = SI2168_B40_FIRMWARE_FALLBACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) ret = request_firmware(&fw, dev->firmware_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) &client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) dev_notice(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) "please install firmware file '%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) SI2168_B40_FIRMWARE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) dev_err(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) "firmware file '%s' not found\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) dev->firmware_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) goto err_release_firmware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) dev_info(&client->dev, "downloading firmware from file '%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) dev->firmware_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) if ((fw->size % 17 == 0) && (fw->data[0] > 5)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) /* firmware is in the new format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) for (remaining = fw->size; remaining > 0; remaining -= 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) len = fw->data[fw->size - remaining];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (len > SI2168_ARGLEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) cmd_init(&cmd, &fw->data[(fw->size - remaining) + 1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) len, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) } else if (fw->size % 8 == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) /* firmware is in the old format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) for (remaining = fw->size; remaining > 0; remaining -= 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) cmd_init(&cmd, &fw->data[fw->size - remaining], 8, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) /* bad or unknown firmware format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) dev_err(&client->dev, "firmware download failed %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) goto err_release_firmware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) cmd_init(&cmd, "\x01\x01", 2, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) /* query firmware version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) cmd_init(&cmd, "\x11", 1, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) dev->version = (cmd.args[9] + '@') << 24 | (cmd.args[6] - '0') << 16 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) (cmd.args[7] - '0') << 8 | (cmd.args[8]) << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) dev_info(&client->dev, "firmware version: %c %d.%d.%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) dev->version >> 8 & 0xff, dev->version >> 0 & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) /* set ts mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) ret = si2168_ts_bus_ctrl(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) dev->warm = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) warm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) /* Init stats here to indicate which stats are supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) c->cnr.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) c->post_bit_error.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) c->post_bit_count.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) c->block_error.len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) dev->active = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) err_release_firmware:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) release_firmware(fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) static int si2168_sleep(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) struct i2c_client *client = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) dev->active = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) /* tri-state data bus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) ret = si2168_ts_bus_ctrl(fe, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) /* Firmware later than B 4.0-11 loses warm state during sleep */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) if (dev->version > ('B' << 24 | 4 << 16 | 0 << 8 | 11 << 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) dev->warm = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) cmd_init(&cmd, "\x13", 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) static int si2168_get_tune_settings(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) struct dvb_frontend_tune_settings *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) s->min_delay_ms = 900;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) static int si2168_select(struct i2c_mux_core *muxc, u32 chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct i2c_client *client = i2c_mux_priv(muxc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) /* open I2C gate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) cmd_init(&cmd, "\xc0\x0d\x01", 3, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) static int si2168_deselect(struct i2c_mux_core *muxc, u32 chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) struct i2c_client *client = i2c_mux_priv(muxc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) /* close I2C gate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) cmd_init(&cmd, "\xc0\x0d\x00", 3, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) dev_dbg(&client->dev, "failed=%d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) static const struct dvb_frontend_ops si2168_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) .info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) .name = "Silicon Labs Si2168",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) .frequency_min_hz = 48 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) .frequency_max_hz = 870 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) .frequency_stepsize_hz = 62500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) .symbol_rate_min = 1000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) .symbol_rate_max = 7200000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) .caps = FE_CAN_FEC_1_2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) FE_CAN_FEC_2_3 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) FE_CAN_FEC_3_4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) FE_CAN_FEC_5_6 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) FE_CAN_FEC_7_8 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) FE_CAN_FEC_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) FE_CAN_QPSK |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) FE_CAN_QAM_16 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) FE_CAN_QAM_32 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) FE_CAN_QAM_64 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) FE_CAN_QAM_128 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) FE_CAN_QAM_256 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) FE_CAN_QAM_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) FE_CAN_TRANSMISSION_MODE_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) FE_CAN_GUARD_INTERVAL_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) FE_CAN_HIERARCHY_AUTO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) FE_CAN_MUTE_TS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) FE_CAN_2G_MODULATION |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) FE_CAN_MULTISTREAM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) .get_tune_settings = si2168_get_tune_settings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) .init = si2168_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) .sleep = si2168_sleep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) .set_frontend = si2168_set_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) .read_status = si2168_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) static int si2168_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) struct si2168_config *config = client->dev.platform_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) struct si2168_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) struct si2168_cmd cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) dev = kzalloc(sizeof(*dev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) if (!dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) i2c_set_clientdata(client, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) mutex_init(&dev->i2c_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) /* Initialize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) cmd_init(&cmd, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) 13, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) /* Power up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) cmd_init(&cmd, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) /* Query chip revision */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) cmd_init(&cmd, "\x02", 1, 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) ret = si2168_cmd_execute(client, &cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) dev->chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) cmd.args[3] << 8 | cmd.args[4] << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) switch (dev->chip_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) case SI2168_CHIP_ID_A20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) dev->firmware_name = SI2168_A20_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) case SI2168_CHIP_ID_A30:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) dev->firmware_name = SI2168_A30_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) case SI2168_CHIP_ID_B40:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) dev->firmware_name = SI2168_B40_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) case SI2168_CHIP_ID_D60:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) dev->firmware_name = SI2168_D60_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) dev_dbg(&client->dev, "unknown chip version Si21%d-%c%c%c\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) cmd.args[2], cmd.args[1], cmd.args[3], cmd.args[4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) dev->version = (cmd.args[1]) << 24 | (cmd.args[3] - '0') << 16 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) (cmd.args[4] - '0') << 8 | (cmd.args[5]) << 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) /* create mux i2c adapter for tuner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) dev->muxc = i2c_mux_alloc(client->adapter, &client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) 1, 0, I2C_MUX_LOCKED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) si2168_select, si2168_deselect);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) if (!dev->muxc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) dev->muxc->priv = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) goto err_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) /* create dvb_frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) memcpy(&dev->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) dev->fe.demodulator_priv = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) *config->i2c_adapter = dev->muxc->adapter[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) *config->fe = &dev->fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) dev->ts_mode = config->ts_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) dev->ts_clock_inv = config->ts_clock_inv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) dev->ts_clock_gapped = config->ts_clock_gapped;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) dev->spectral_inversion = config->spectral_inversion;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) dev_info(&client->dev, "Silicon Labs Si2168-%c%d%d successfully identified\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) dev->version >> 8 & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) dev_info(&client->dev, "firmware version: %c %d.%d.%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) dev->version >> 24 & 0xff, dev->version >> 16 & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) dev->version >> 8 & 0xff, dev->version >> 0 & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) err_kfree:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) kfree(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) dev_warn(&client->dev, "probe failed = %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) static int si2168_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) struct si2168_dev *dev = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) dev_dbg(&client->dev, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) i2c_mux_del_adapters(dev->muxc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) dev->fe.ops.release = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) dev->fe.demodulator_priv = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) kfree(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) static const struct i2c_device_id si2168_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) {"si2168", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) MODULE_DEVICE_TABLE(i2c, si2168_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) static struct i2c_driver si2168_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) .name = "si2168",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) .suppress_bind_attrs = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) .probe = si2168_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) .remove = si2168_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) .id_table = si2168_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) module_i2c_driver(si2168_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) MODULE_DESCRIPTION("Silicon Labs Si2168 DVB-T/T2/C demodulator driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) MODULE_FIRMWARE(SI2168_A20_FIRMWARE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) MODULE_FIRMWARE(SI2168_A30_FIRMWARE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) MODULE_FIRMWARE(SI2168_B40_FIRMWARE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) MODULE_FIRMWARE(SI2168_D60_FIRMWARE);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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