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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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media: si2168: Refactor command setup code
Use cmd_init() to fill a struct si2168_cmd command. Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Marc Gonzalez
Mauro Carvalho Chehab
parent
c268e7adea
commit
619f6fc390
@ -11,6 +11,13 @@
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static const struct dvb_frontend_ops si2168_ops;
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static void cmd_init(struct si2168_cmd *cmd, const u8 *buf, int wlen, int rlen)
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{
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memcpy(cmd->args, buf, wlen);
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cmd->wlen = wlen;
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cmd->rlen = rlen;
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}
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/* execute firmware command */
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static int si2168_cmd_execute(struct i2c_client *client, struct si2168_cmd *cmd)
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{
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@ -84,15 +91,13 @@ static int si2168_ts_bus_ctrl(struct dvb_frontend *fe, int acquire)
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/* set manual value */
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if (dev->ts_mode & SI2168_TS_CLK_MANUAL) {
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memcpy(cmd.args, "\x14\x00\x0d\x10\xe8\x03", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x0d\x10\xe8\x03", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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return ret;
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}
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/* set TS_MODE property */
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memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
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cmd_init(&cmd, "\x14\x00\x01\x10\x10\x00", 6, 4);
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if (dev->ts_mode & SI2168_TS_CLK_MANUAL)
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cmd.args[4] = SI2168_TS_CLK_MANUAL;
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if (acquire)
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@ -101,8 +106,6 @@ static int si2168_ts_bus_ctrl(struct dvb_frontend *fe, int acquire)
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cmd.args[4] |= SI2168_TS_TRISTATE;
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if (dev->ts_clock_gapped)
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cmd.args[4] |= 0x40;
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cmd.wlen = 6;
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cmd.rlen = 4;
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ret = si2168_cmd_execute(client, &cmd);
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return ret;
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@ -126,19 +129,13 @@ static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status)
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switch (c->delivery_system) {
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case SYS_DVBT:
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memcpy(cmd.args, "\xa0\x01", 2);
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cmd.wlen = 2;
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cmd.rlen = 13;
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cmd_init(&cmd, "\xa0\x01", 2, 13);
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break;
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case SYS_DVBC_ANNEX_A:
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memcpy(cmd.args, "\x90\x01", 2);
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cmd.wlen = 2;
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cmd.rlen = 9;
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cmd_init(&cmd, "\x90\x01", 2, 9);
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break;
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case SYS_DVBT2:
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memcpy(cmd.args, "\x50\x01", 2);
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cmd.wlen = 2;
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cmd.rlen = 14;
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cmd_init(&cmd, "\x50\x01", 2, 14);
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break;
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default:
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ret = -EINVAL;
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@ -175,9 +172,7 @@ static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status)
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/* BER */
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if (*status & FE_HAS_VITERBI) {
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memcpy(cmd.args, "\x82\x00", 2);
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cmd.wlen = 2;
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cmd.rlen = 3;
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cmd_init(&cmd, "\x82\x00", 2, 3);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -208,9 +203,7 @@ static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status)
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/* UCB */
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if (*status & FE_HAS_SYNC) {
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memcpy(cmd.args, "\x84\x01", 2);
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cmd.wlen = 2;
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cmd.rlen = 3;
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cmd_init(&cmd, "\x84\x01", 2, 3);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -296,22 +289,18 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
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goto err;
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}
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memcpy(cmd.args, "\x88\x02\x02\x02\x02", 5);
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cmd.wlen = 5;
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cmd.rlen = 5;
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cmd_init(&cmd, "\x88\x02\x02\x02\x02", 5, 5);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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/* that has no big effect */
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if (c->delivery_system == SYS_DVBT)
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memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6);
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cmd_init(&cmd, "\x89\x21\x06\x11\xff\x98", 6, 3);
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else if (c->delivery_system == SYS_DVBC_ANNEX_A)
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memcpy(cmd.args, "\x89\x21\x06\x11\x89\xf0", 6);
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cmd_init(&cmd, "\x89\x21\x06\x11\x89\xf0", 6, 3);
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else if (c->delivery_system == SYS_DVBT2)
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memcpy(cmd.args, "\x89\x21\x06\x11\x89\x20", 6);
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cmd.wlen = 6;
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cmd.rlen = 3;
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cmd_init(&cmd, "\x89\x21\x06\x11\x89\x20", 6, 3);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -328,103 +317,77 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
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goto err;
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}
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memcpy(cmd.args, "\x51\x03", 2);
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cmd.wlen = 2;
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cmd.rlen = 12;
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cmd_init(&cmd, "\x51\x03", 2, 12);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x12\x08\x04", 3);
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cmd.wlen = 3;
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cmd.rlen = 3;
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cmd_init(&cmd, "\x12\x08\x04", 3, 3);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x0c\x10\x12\x00", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x0c\x10\x12\x00", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x06\x10\x24\x00", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x06\x10\x24\x00", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x07\x10\x00\x24", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x07\x10\x00\x24", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6);
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cmd_init(&cmd, "\x14\x00\x0a\x10\x00\x00", 6, 4);
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cmd.args[4] = delivery_system | bandwidth;
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if (dev->spectral_inversion)
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cmd.args[5] |= 1;
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cmd.wlen = 6;
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cmd.rlen = 4;
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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/* set DVB-C symbol rate */
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if (c->delivery_system == SYS_DVBC_ANNEX_A) {
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memcpy(cmd.args, "\x14\x00\x02\x11", 4);
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cmd_init(&cmd, "\x14\x00\x02\x11\x00\x00", 6, 4);
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cmd.args[4] = ((c->symbol_rate / 1000) >> 0) & 0xff;
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cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff;
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cmd.wlen = 6;
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cmd.rlen = 4;
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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}
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memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x0f\x10\x10\x00", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x08", 6);
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cmd_init(&cmd, "\x14\x00\x09\x10\xe3\x08", 6, 4);
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cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
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cmd.wlen = 6;
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cmd.rlen = 4;
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x08\x10\xd7\x05", 6);
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cmd_init(&cmd, "\x14\x00\x08\x10\xd7\x05", 6, 4);
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cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
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cmd.wlen = 6;
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cmd.rlen = 4;
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x01\x12\x00\x00", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x01\x12\x00\x00", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
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cmd.wlen = 6;
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cmd.rlen = 4;
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cmd_init(&cmd, "\x14\x00\x01\x03\x0c\x00", 6, 4);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\x85", 1);
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cmd.wlen = 1;
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cmd.rlen = 1;
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cmd_init(&cmd, "\x85", 1, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -454,26 +417,21 @@ static int si2168_init(struct dvb_frontend *fe)
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dev_dbg(&client->dev, "\n");
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/* initialize */
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memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
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cmd.wlen = 13;
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cmd.rlen = 0;
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cmd_init(&cmd, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00",
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13, 0);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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if (dev->warm) {
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/* resume */
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memcpy(cmd.args, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8);
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cmd.wlen = 8;
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cmd.rlen = 1;
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cmd_init(&cmd, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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udelay(100);
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memcpy(cmd.args, "\x85", 1);
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cmd.wlen = 1;
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cmd.rlen = 1;
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cmd_init(&cmd, "\x85", 1, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -482,9 +440,7 @@ static int si2168_init(struct dvb_frontend *fe)
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}
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/* power up */
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memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
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cmd.wlen = 8;
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cmd.rlen = 1;
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cmd_init(&cmd, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -522,9 +478,8 @@ static int si2168_init(struct dvb_frontend *fe)
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ret = -EINVAL;
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break;
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}
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memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
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cmd.wlen = len;
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cmd.rlen = 1;
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cmd_init(&cmd, &fw->data[(fw->size - remaining) + 1],
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len, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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break;
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@ -532,10 +487,7 @@ static int si2168_init(struct dvb_frontend *fe)
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} else if (fw->size % 8 == 0) {
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/* firmware is in the old format */
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for (remaining = fw->size; remaining > 0; remaining -= 8) {
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len = 8;
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memcpy(cmd.args, &fw->data[fw->size - remaining], len);
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cmd.wlen = len;
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cmd.rlen = 1;
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cmd_init(&cmd, &fw->data[fw->size - remaining], 8, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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break;
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@ -552,17 +504,13 @@ static int si2168_init(struct dvb_frontend *fe)
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release_firmware(fw);
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memcpy(cmd.args, "\x01\x01", 2);
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cmd.wlen = 2;
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cmd.rlen = 1;
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cmd_init(&cmd, "\x01\x01", 2, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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/* query firmware version */
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memcpy(cmd.args, "\x11", 1);
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cmd.wlen = 1;
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cmd.rlen = 10;
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cmd_init(&cmd, "\x11", 1, 10);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -620,9 +568,7 @@ static int si2168_sleep(struct dvb_frontend *fe)
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if (dev->version > ('B' << 24 | 4 << 16 | 0 << 8 | 11 << 0))
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dev->warm = false;
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memcpy(cmd.args, "\x13", 1);
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cmd.wlen = 1;
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cmd.rlen = 0;
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cmd_init(&cmd, "\x13", 1, 0);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -648,9 +594,7 @@ static int si2168_select(struct i2c_mux_core *muxc, u32 chan)
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struct si2168_cmd cmd;
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/* open I2C gate */
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memcpy(cmd.args, "\xc0\x0d\x01", 3);
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cmd.wlen = 3;
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cmd.rlen = 0;
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cmd_init(&cmd, "\xc0\x0d\x01", 3, 0);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -668,9 +612,7 @@ static int si2168_deselect(struct i2c_mux_core *muxc, u32 chan)
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struct si2168_cmd cmd;
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/* close I2C gate */
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memcpy(cmd.args, "\xc0\x0d\x00", 3);
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cmd.wlen = 3;
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cmd.rlen = 0;
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cmd_init(&cmd, "\xc0\x0d\x00", 3, 0);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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@ -741,25 +683,20 @@ static int si2168_probe(struct i2c_client *client,
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mutex_init(&dev->i2c_mutex);
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/* Initialize */
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memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
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cmd.wlen = 13;
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cmd.rlen = 0;
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cmd_init(&cmd, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00",
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13, 0);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err_kfree;
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/* Power up */
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memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
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cmd.wlen = 8;
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cmd.rlen = 1;
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cmd_init(&cmd, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8, 1);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err_kfree;
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/* Query chip revision */
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memcpy(cmd.args, "\x02", 1);
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cmd.wlen = 1;
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cmd.rlen = 13;
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cmd_init(&cmd, "\x02", 1, 13);
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ret = si2168_cmd_execute(client, &cmd);
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if (ret)
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goto err_kfree;
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