From patchwork Tue Sep 9 19:31:58 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schwarzott X-Patchwork-Id: 25867 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1XRR9T-0007Yl-Rv; Tue, 09 Sep 2014 21:32:31 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-7) with esmtp id 1XRR9P-00014K-1w; Tue, 09 Sep 2014 21:32:30 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751900AbaIITcV (ORCPT + 1 other); Tue, 9 Sep 2014 15:32:21 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:45432 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751887AbaIITcU (ORCPT ); Tue, 9 Sep 2014 15:32:20 -0400 Received: from gauss.fritz.box (aftr-88-217-181-27.dynamic.mnet-online.de [88.217.181.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: zzam) by smtp.gentoo.org (Postfix) with ESMTPSA id AB4E533FE88; Tue, 9 Sep 2014 19:32:13 +0000 (UTC) From: Matthias Schwarzott To: linux-media@vger.kernel.org Cc: Matthias Schwarzott Subject: [PATCH] Si2165: Add experimental DVB-C support for HVR-4400/HVR-5500 Date: Tue, 9 Sep 2014 21:31:58 +0200 Message-Id: <1410291118-5818-1-git-send-email-zzam@gentoo.org> X-Mailer: git-send-email 2.1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2014.9.9.192119 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_6000_6999 0, BODY_SIZE_7000_LESS 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS , __URI_NS_NXDOMAIN ' This patch is sent out, because I got multiple requests for it. So here it is. It works only for HVR-4400/HVR-5500. For WinTV-HVR-930C-HD it fails with bad/no reception for unknown reasons. Signed-off-by: Matthias Schwarzott --- drivers/media/dvb-frontends/si2165.c | 132 +++++++++++++++++++++++++++++++++-- 1 file changed, 125 insertions(+), 7 deletions(-) diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index c807180..660298b 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -781,7 +781,7 @@ static int si2165_set_if_freq_shift(struct si2165_state *state, u32 IF) return si2165_writereg32(state, 0x00e8, reg_value); } -static int si2165_set_parameters(struct dvb_frontend *fe) +static int si2165_set_parameters_t(struct dvb_frontend *fe) { int ret; struct dtv_frontend_properties *p = &fe->dtv_property_cache; @@ -929,6 +929,119 @@ static int si2165_set_parameters(struct dvb_frontend *fe) return 0; } +static int si2165_set_parameters_c(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + struct si2165_state *state = fe->demodulator_priv; + u8 val[3]; + u32 IF; + + if (!state->has_dvbc) + return -EINVAL; + + si2165_writereg8(state, 0x00e0, 0x00); + + si2165_readreg8(state, 0x0118, val); /* returned 0x07 */ + + si2165_writereg8(state, 0x012a, 0x46); + si2165_writereg8(state, 0x012c, 0x00); + si2165_writereg8(state, 0x012e, 0x0a); + si2165_writereg8(state, 0x012f, 0xff); + si2165_writereg8(state, 0x0123, 0x70); + { + si2165_writereg8(state, 0x00ec, 0x05); + si2165_adjust_pll_divl(state, 0x0e); + } + si2165_readreg8(state, 0x00e0, val); /* returned 0x00 */ + { + si2165_writereg32(state, 0x00e8, 0x02db6db6); + } + si2165_writereg8(state, 0x08f8, 0x00); + si2165_readreg8(state, 0x04e4, val); /* returned 0x21 */ + si2165_writereg8(state, 0x04e4, 0x20); // clear bit 1 + si2165_writereg16(state, 0x04ef, 0x00fe); + si2165_writereg24(state, 0x04f4, 0x555555); + si2165_readreg8(state, 0x04e4, val); /* returned 0x20 */ + si2165_writereg8(state, 0x04e4, 0x20); + si2165_readreg8(state, 0x04e5, val); /* returned 0x03 */ + si2165_writereg8(state, 0x04e5, 0x03); + si2165_readreg8(state, 0x04e5, val); /* returned 0x03 */ + si2165_writereg8(state, 0x04e5, 0x01); + { + si2165_writereg32(state, 0x00e4, 0x0494f77e); + si2165_writereg8(state, 0x016e, 0x50); + } + si2165_writereg8(state, 0x016c, 0x0e); + si2165_writereg8(state, 0x016d, 0x10); + si2165_writereg8(state, 0x015b, 0x03); + { + si2165_writereg8(state, 0x0150, 0x68); + si2165_writereg8(state, 0x01a0, 0x68); + si2165_writereg8(state, 0x01c8, 0x50); + si2165_readreg8(state, 0x0278, val); /* returned 0x0d */ + si2165_writereg8(state, 0x0278, 0x0d); + si2165_writereg8(state, 0x023a, 0x05); // or 0x05 + si2165_writereg8(state, 0x0261, 0x09); + si2165_writereg16(state, 0x0350, 0x3e80); + si2165_writereg8(state, 0x02f4, 0x00); + } + si2165_writereg32(state, 0x0348, 0xf4000000); + { + si2165_writereg32(state, 0x00c4, 0x007a1200); + si2165_writereg8(state, 0x00cb, 0x01); + si2165_writereg8(state, 0x00c0, 0x00); + si2165_writereg8(state, 0x012a, 0x46); + si2165_writereg8(state, 0x012c, 0x00); + si2165_writereg8(state, 0x012e, 0x0a); + si2165_writereg8(state, 0x012f, 0xff); + si2165_writereg8(state, 0x0123, 0x70); + si2165_writereg16(state, 0x024c, 0x0000); + si2165_writereg16(state, 0x027c, 0x0000); + si2165_writereg8(state, 0x0232, 0x03); + si2165_writereg8(state, 0x02f4, 0x0b); + si2165_writereg32(state, 0x00e4, 0x040ed730); // or 0x040ed730 + si2165_writereg8(state, 0x00c0, 0x00); + si2165_readreg8(state, 0x0118, val); /* returned 0x07 */ + si2165_writereg8(state, 0x018b, 0x00); + } + + if (!fe->ops.tuner_ops.get_if_frequency) { + pr_err("Error: get_if_frequency() not defined at tuner. Can't work without it!\n"); + return -EINVAL; + } + + if (fe->ops.tuner_ops.set_params) + fe->ops.tuner_ops.set_params(fe); + + fe->ops.tuner_ops.get_if_frequency(fe, &IF); + + { + si2165_writereg32(state, 0x00e8, 0x02db6db6); + } + si2165_readreg8(state, 0x0341, val); /* returned 0x01 */ + si2165_writereg8(state, 0x0341, 0x00); + si2165_writereg8(state, 0x00c0, 0x00); + si2165_writereg32(state, 0x0384, 0x00000000); + si2165_writereg8(state, 0x02e0, 0x01); + + return 0; +} + +static int si2165_set_parameters(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 delsys = p->delivery_system; + + switch (delsys) { + case SYS_DVBT: + return si2165_set_parameters_t(fe); + case SYS_DVBC_ANNEX_A: + return si2165_set_parameters_c(fe); + default: + return -EINVAL; + } +} + static void si2165_release(struct dvb_frontend *fe) { struct si2165_state *state = fe->demodulator_priv; @@ -940,20 +1053,23 @@ static void si2165_release(struct dvb_frontend *fe) static struct dvb_frontend_ops si2165_ops = { .info = { .name = "Silicon Labs ", - .caps = FE_CAN_FEC_1_2 | + /* For DVB-C */ + .symbol_rate_min = 870000, + .symbol_rate_max = 11700000, + /* For DVB-T */ + .frequency_stepsize = 166667, + .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_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO | FE_CAN_MUTE_TS | @@ -1065,9 +1181,11 @@ struct dvb_frontend *si2165_attach(const struct si2165_config *config, strlcat(state->frontend.ops.info.name, " DVB-T", sizeof(state->frontend.ops.info.name)); } - if (state->has_dvbc) - dev_warn(&state->i2c->dev, "%s: DVB-C is not yet supported.\n", - KBUILD_MODNAME); + if (state->has_dvbc) { + state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_A; + strlcat(state->frontend.ops.info.name, " DVB-C", + sizeof(state->frontend.ops.info.name)); + } return &state->frontend;