From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932571AbcDDRE0 (ORCPT ); Mon, 4 Apr 2016 13:04:26 -0400 Received: from mail-pf0-f169.google.com ([209.85.192.169]:33091 "EHLO mail-pf0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932104AbcDDRER (ORCPT ); Mon, 4 Apr 2016 13:04:17 -0400 From: info@are.ma X-Google-Original-From: knightrider@are.ma To: linux-media@vger.kernel.org Cc: =?UTF-8?q?=D0=91=D1=83=D0=B4=D0=B8=20=D0=A0=D0=BE=D0=BC=D0=B0=D0=BD=D1=82=D0=BE=2C=20AreMa=20Inc?= , linux-kernel@vger.kernel.org, crope@iki.fi, m.chehab@samsung.com, mchehab@osg.samsung.com, hdegoede@redhat.com, laurent.pinchart@ideasonboard.com, mkrufky@linuxtv.org, sylvester.nawrocki@gmail.com, g.liakhovetski@gmx.de, peter.senna@gmail.com Subject: [media 2/6] drop backstabbing drivers Date: Tue, 5 Apr 2016 02:04:01 +0900 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Буди Романто, AreMa Inc Obsoleted & superseded, please read cover letter for details. Signed-off-by: Буди Романто, AreMa Inc --- drivers/media/dvb-frontends/tc90522.c | 840 -------------------------------- drivers/media/dvb-frontends/tc90522.h | 42 -- drivers/media/pci/pt3/Kconfig | 10 - drivers/media/pci/pt3/Makefile | 8 - drivers/media/pci/pt3/pt3.c | 874 ---------------------------------- drivers/media/pci/pt3/pt3.h | 186 -------- drivers/media/pci/pt3/pt3_dma.c | 225 --------- drivers/media/pci/pt3/pt3_i2c.c | 240 ---------- drivers/media/tuners/mxl301rf.c | 349 -------------- drivers/media/tuners/mxl301rf.h | 26 - drivers/media/tuners/qm1d1c0042.c | 448 ----------------- drivers/media/tuners/qm1d1c0042.h | 37 -- 12 files changed, 3285 deletions(-) delete mode 100644 drivers/media/dvb-frontends/tc90522.c delete mode 100644 drivers/media/dvb-frontends/tc90522.h delete mode 100644 drivers/media/pci/pt3/Kconfig delete mode 100644 drivers/media/pci/pt3/Makefile delete mode 100644 drivers/media/pci/pt3/pt3.c delete mode 100644 drivers/media/pci/pt3/pt3.h delete mode 100644 drivers/media/pci/pt3/pt3_dma.c delete mode 100644 drivers/media/pci/pt3/pt3_i2c.c delete mode 100644 drivers/media/tuners/mxl301rf.c delete mode 100644 drivers/media/tuners/mxl301rf.h delete mode 100644 drivers/media/tuners/qm1d1c0042.c delete mode 100644 drivers/media/tuners/qm1d1c0042.h diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c deleted file mode 100644 index 31cd325..0000000 --- a/drivers/media/dvb-frontends/tc90522.c +++ /dev/null @@ -1,840 +0,0 @@ -/* - * Toshiba TC90522 Demodulator - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * NOTICE: - * This driver is incomplete and lacks init/config of the chips, - * as the necessary info is not disclosed. - * It assumes that users of this driver (such as a PCI bridge of - * DTV receiver cards) properly init and configure the chip - * via I2C *before* calling this driver's init() function. - * - * Currently, PT3 driver is the only one that uses this driver, - * and contains init/config code in its firmware. - * Thus some part of the code might be dependent on PT3 specific config. - */ - -#include -#include -#include -#include "dvb_math.h" -#include "tc90522.h" - -#define TC90522_I2C_THRU_REG 0xfe - -#define TC90522_MODULE_IDX(addr) (((u8)(addr) & 0x02U) >> 1) - -struct tc90522_state { - struct tc90522_config cfg; - struct dvb_frontend fe; - struct i2c_client *i2c_client; - struct i2c_adapter tuner_i2c; - - bool lna; -}; - -struct reg_val { - u8 reg; - u8 val; -}; - -static int -reg_write(struct tc90522_state *state, const struct reg_val *regs, int num) -{ - int i, ret; - struct i2c_msg msg; - - ret = 0; - msg.addr = state->i2c_client->addr; - msg.flags = 0; - msg.len = 2; - for (i = 0; i < num; i++) { - msg.buf = (u8 *)®s[i]; - ret = i2c_transfer(state->i2c_client->adapter, &msg, 1); - if (ret == 0) - ret = -EIO; - if (ret < 0) - return ret; - } - return 0; -} - -static int reg_read(struct tc90522_state *state, u8 reg, u8 *val, u8 len) -{ - struct i2c_msg msgs[2] = { - { - .addr = state->i2c_client->addr, - .flags = 0, - .buf = ®, - .len = 1, - }, - { - .addr = state->i2c_client->addr, - .flags = I2C_M_RD, - .buf = val, - .len = len, - }, - }; - int ret; - - ret = i2c_transfer(state->i2c_client->adapter, msgs, ARRAY_SIZE(msgs)); - if (ret == ARRAY_SIZE(msgs)) - ret = 0; - else if (ret >= 0) - ret = -EIO; - return ret; -} - -static struct tc90522_state *cfg_to_state(struct tc90522_config *c) -{ - return container_of(c, struct tc90522_state, cfg); -} - - -static int tc90522s_set_tsid(struct dvb_frontend *fe) -{ - struct reg_val set_tsid[] = { - { 0x8f, 00 }, - { 0x90, 00 } - }; - - set_tsid[0].val = (fe->dtv_property_cache.stream_id & 0xff00) >> 8; - set_tsid[1].val = fe->dtv_property_cache.stream_id & 0xff; - return reg_write(fe->demodulator_priv, set_tsid, ARRAY_SIZE(set_tsid)); -} - -static int tc90522t_set_layers(struct dvb_frontend *fe) -{ - struct reg_val rv; - u8 laysel; - - laysel = ~fe->dtv_property_cache.isdbt_layer_enabled & 0x07; - laysel = (laysel & 0x01) << 2 | (laysel & 0x02) | (laysel & 0x04) >> 2; - rv.reg = 0x71; - rv.val = laysel; - return reg_write(fe->demodulator_priv, &rv, 1); -} - -/* frontend ops */ - -static int tc90522s_read_status(struct dvb_frontend *fe, enum fe_status *status) -{ - struct tc90522_state *state; - int ret; - u8 reg; - - state = fe->demodulator_priv; - ret = reg_read(state, 0xc3, ®, 1); - if (ret < 0) - return ret; - - *status = 0; - if (reg & 0x80) /* input level under min ? */ - return 0; - *status |= FE_HAS_SIGNAL; - - if (reg & 0x60) /* carrier? */ - return 0; - *status |= FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC; - - if (reg & 0x10) - return 0; - if (reg_read(state, 0xc5, ®, 1) < 0 || !(reg & 0x03)) - return 0; - *status |= FE_HAS_LOCK; - return 0; -} - -static int tc90522t_read_status(struct dvb_frontend *fe, enum fe_status *status) -{ - struct tc90522_state *state; - int ret; - u8 reg; - - state = fe->demodulator_priv; - ret = reg_read(state, 0x96, ®, 1); - if (ret < 0) - return ret; - - *status = 0; - if (reg & 0xe0) { - *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI - | FE_HAS_SYNC | FE_HAS_LOCK; - return 0; - } - - ret = reg_read(state, 0x80, ®, 1); - if (ret < 0) - return ret; - - if (reg & 0xf0) - return 0; - *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER; - - if (reg & 0x0c) - return 0; - *status |= FE_HAS_SYNC | FE_HAS_VITERBI; - - if (reg & 0x02) - return 0; - *status |= FE_HAS_LOCK; - return 0; -} - -static const enum fe_code_rate fec_conv_sat[] = { - FEC_NONE, /* unused */ - FEC_1_2, /* for BPSK */ - FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, /* for QPSK */ - FEC_2_3, /* for 8PSK. (trellis code) */ -}; - -static int tc90522s_get_frontend(struct dvb_frontend *fe, - struct dtv_frontend_properties *c) -{ - struct tc90522_state *state; - struct dtv_fe_stats *stats; - int ret, i; - int layers; - u8 val[10]; - u32 cndat; - - state = fe->demodulator_priv; - c->delivery_system = SYS_ISDBS; - c->symbol_rate = 28860000; - - layers = 0; - ret = reg_read(state, 0xe6, val, 5); - if (ret == 0) { - u8 v; - - c->stream_id = val[0] << 8 | val[1]; - - /* high/single layer */ - v = (val[2] & 0x70) >> 4; - c->modulation = (v == 7) ? PSK_8 : QPSK; - c->fec_inner = fec_conv_sat[v]; - c->layer[0].fec = c->fec_inner; - c->layer[0].modulation = c->modulation; - c->layer[0].segment_count = val[3] & 0x3f; /* slots */ - - /* low layer */ - v = (val[2] & 0x07); - c->layer[1].fec = fec_conv_sat[v]; - if (v == 0) /* no low layer */ - c->layer[1].segment_count = 0; - else - c->layer[1].segment_count = val[4] & 0x3f; /* slots */ - /* - * actually, BPSK if v==1, but not defined in - * enum fe_modulation - */ - c->layer[1].modulation = QPSK; - layers = (v > 0) ? 2 : 1; - } - - /* statistics */ - - stats = &c->strength; - stats->len = 0; - /* let the connected tuner set RSSI property cache */ - if (fe->ops.tuner_ops.get_rf_strength) { - u16 dummy; - - fe->ops.tuner_ops.get_rf_strength(fe, &dummy); - } - - stats = &c->cnr; - stats->len = 1; - stats->stat[0].scale = FE_SCALE_NOT_AVAILABLE; - cndat = 0; - ret = reg_read(state, 0xbc, val, 2); - if (ret == 0) - cndat = val[0] << 8 | val[1]; - if (cndat >= 3000) { - u32 p, p4; - s64 cn; - - cndat -= 3000; /* cndat: 4.12 fixed point float */ - /* - * cnr[mdB] = -1634.6 * P^5 + 14341 * P^4 - 50259 * P^3 - * + 88977 * P^2 - 89565 * P + 58857 - * (P = sqrt(cndat) / 64) - */ - /* p := sqrt(cndat) << 8 = P << 14, 2.14 fixed point float */ - /* cn = cnr << 3 */ - p = int_sqrt(cndat << 16); - p4 = cndat * cndat; - cn = div64_s64(-16346LL * p4 * p, 10) >> 35; - cn += (14341LL * p4) >> 21; - cn -= (50259LL * cndat * p) >> 23; - cn += (88977LL * cndat) >> 9; - cn -= (89565LL * p) >> 11; - cn += 58857 << 3; - stats->stat[0].svalue = cn >> 3; - stats->stat[0].scale = FE_SCALE_DECIBEL; - } - - /* per-layer post viterbi BER (or PER? config dependent?) */ - stats = &c->post_bit_error; - memset(stats, 0, sizeof(*stats)); - stats->len = layers; - ret = reg_read(state, 0xeb, val, 10); - if (ret < 0) - for (i = 0; i < layers; i++) - stats->stat[i].scale = FE_SCALE_NOT_AVAILABLE; - else { - for (i = 0; i < layers; i++) { - stats->stat[i].scale = FE_SCALE_COUNTER; - stats->stat[i].uvalue = val[i * 5] << 16 - | val[i * 5 + 1] << 8 | val[i * 5 + 2]; - } - } - stats = &c->post_bit_count; - memset(stats, 0, sizeof(*stats)); - stats->len = layers; - if (ret < 0) - for (i = 0; i < layers; i++) - stats->stat[i].scale = FE_SCALE_NOT_AVAILABLE; - else { - for (i = 0; i < layers; i++) { - stats->stat[i].scale = FE_SCALE_COUNTER; - stats->stat[i].uvalue = - val[i * 5 + 3] << 8 | val[i * 5 + 4]; - stats->stat[i].uvalue *= 204 * 8; - } - } - - return 0; -} - - -static const enum fe_transmit_mode tm_conv[] = { - TRANSMISSION_MODE_2K, - TRANSMISSION_MODE_4K, - TRANSMISSION_MODE_8K, - 0 -}; - -static const enum fe_code_rate fec_conv_ter[] = { - FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, 0, 0, 0 -}; - -static const enum fe_modulation mod_conv[] = { - DQPSK, QPSK, QAM_16, QAM_64, 0, 0, 0, 0 -}; - -static int tc90522t_get_frontend(struct dvb_frontend *fe, - struct dtv_frontend_properties *c) -{ - struct tc90522_state *state; - struct dtv_fe_stats *stats; - int ret, i; - int layers; - u8 val[15], mode; - u32 cndat; - - state = fe->demodulator_priv; - c->delivery_system = SYS_ISDBT; - c->bandwidth_hz = 6000000; - mode = 1; - ret = reg_read(state, 0xb0, val, 1); - if (ret == 0) { - mode = (val[0] & 0xc0) >> 2; - c->transmission_mode = tm_conv[mode]; - c->guard_interval = (val[0] & 0x30) >> 4; - } - - ret = reg_read(state, 0xb2, val, 6); - layers = 0; - if (ret == 0) { - u8 v; - - c->isdbt_partial_reception = val[0] & 0x01; - c->isdbt_sb_mode = (val[0] & 0xc0) == 0x40; - - /* layer A */ - v = (val[2] & 0x78) >> 3; - if (v == 0x0f) - c->layer[0].segment_count = 0; - else { - layers++; - c->layer[0].segment_count = v; - c->layer[0].fec = fec_conv_ter[(val[1] & 0x1c) >> 2]; - c->layer[0].modulation = mod_conv[(val[1] & 0xe0) >> 5]; - v = (val[1] & 0x03) << 1 | (val[2] & 0x80) >> 7; - c->layer[0].interleaving = v; - } - - /* layer B */ - v = (val[3] & 0x03) << 1 | (val[4] & 0xc0) >> 6; - if (v == 0x0f) - c->layer[1].segment_count = 0; - else { - layers++; - c->layer[1].segment_count = v; - c->layer[1].fec = fec_conv_ter[(val[3] & 0xe0) >> 5]; - c->layer[1].modulation = mod_conv[(val[2] & 0x07)]; - c->layer[1].interleaving = (val[3] & 0x1c) >> 2; - } - - /* layer C */ - v = (val[5] & 0x1e) >> 1; - if (v == 0x0f) - c->layer[2].segment_count = 0; - else { - layers++; - c->layer[2].segment_count = v; - c->layer[2].fec = fec_conv_ter[(val[4] & 0x07)]; - c->layer[2].modulation = mod_conv[(val[4] & 0x38) >> 3]; - c->layer[2].interleaving = (val[5] & 0xe0) >> 5; - } - } - - /* statistics */ - - stats = &c->strength; - stats->len = 0; - /* let the connected tuner set RSSI property cache */ - if (fe->ops.tuner_ops.get_rf_strength) { - u16 dummy; - - fe->ops.tuner_ops.get_rf_strength(fe, &dummy); - } - - stats = &c->cnr; - stats->len = 1; - stats->stat[0].scale = FE_SCALE_NOT_AVAILABLE; - cndat = 0; - ret = reg_read(state, 0x8b, val, 3); - if (ret == 0) - cndat = val[0] << 16 | val[1] << 8 | val[2]; - if (cndat != 0) { - u32 p, tmp; - s64 cn; - - /* - * cnr[mdB] = 0.024 P^4 - 1.6 P^3 + 39.8 P^2 + 549.1 P + 3096.5 - * (P = 10log10(5505024/cndat)) - */ - /* cn = cnr << 3 (61.3 fixed point float */ - /* p = 10log10(5505024/cndat) << 24 (8.24 fixed point float)*/ - p = intlog10(5505024) - intlog10(cndat); - p *= 10; - - cn = 24772; - cn += div64_s64(43827LL * p, 10) >> 24; - tmp = p >> 8; - cn += div64_s64(3184LL * tmp * tmp, 10) >> 32; - tmp = p >> 13; - cn -= div64_s64(128LL * tmp * tmp * tmp, 10) >> 33; - tmp = p >> 18; - cn += div64_s64(192LL * tmp * tmp * tmp * tmp, 1000) >> 24; - - stats->stat[0].svalue = cn >> 3; - stats->stat[0].scale = FE_SCALE_DECIBEL; - } - - /* per-layer post viterbi BER (or PER? config dependent?) */ - stats = &c->post_bit_error; - memset(stats, 0, sizeof(*stats)); - stats->len = layers; - ret = reg_read(state, 0x9d, val, 15); - if (ret < 0) - for (i = 0; i < layers; i++) - stats->stat[i].scale = FE_SCALE_NOT_AVAILABLE; - else { - for (i = 0; i < layers; i++) { - stats->stat[i].scale = FE_SCALE_COUNTER; - stats->stat[i].uvalue = val[i * 3] << 16 - | val[i * 3 + 1] << 8 | val[i * 3 + 2]; - } - } - stats = &c->post_bit_count; - memset(stats, 0, sizeof(*stats)); - stats->len = layers; - if (ret < 0) - for (i = 0; i < layers; i++) - stats->stat[i].scale = FE_SCALE_NOT_AVAILABLE; - else { - for (i = 0; i < layers; i++) { - stats->stat[i].scale = FE_SCALE_COUNTER; - stats->stat[i].uvalue = - val[9 + i * 2] << 8 | val[9 + i * 2 + 1]; - stats->stat[i].uvalue *= 204 * 8; - } - } - - return 0; -} - -static const struct reg_val reset_sat = { 0x03, 0x01 }; -static const struct reg_val reset_ter = { 0x01, 0x40 }; - -static int tc90522_set_frontend(struct dvb_frontend *fe) -{ - struct tc90522_state *state; - int ret; - - state = fe->demodulator_priv; - - if (fe->ops.tuner_ops.set_params) - ret = fe->ops.tuner_ops.set_params(fe); - else - ret = -ENODEV; - if (ret < 0) - goto failed; - - if (fe->ops.delsys[0] == SYS_ISDBS) { - ret = tc90522s_set_tsid(fe); - if (ret < 0) - goto failed; - ret = reg_write(state, &reset_sat, 1); - } else { - ret = tc90522t_set_layers(fe); - if (ret < 0) - goto failed; - ret = reg_write(state, &reset_ter, 1); - } - if (ret < 0) - goto failed; - - return 0; - -failed: - dev_warn(&state->tuner_i2c.dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; -} - -static int tc90522_get_tune_settings(struct dvb_frontend *fe, - struct dvb_frontend_tune_settings *settings) -{ - if (fe->ops.delsys[0] == SYS_ISDBS) { - settings->min_delay_ms = 250; - settings->step_size = 1000; - settings->max_drift = settings->step_size * 2; - } else { - settings->min_delay_ms = 400; - settings->step_size = 142857; - settings->max_drift = settings->step_size; - } - return 0; -} - -static int tc90522_set_if_agc(struct dvb_frontend *fe, bool on) -{ - struct reg_val agc_sat[] = { - { 0x0a, 0x00 }, - { 0x10, 0x30 }, - { 0x11, 0x00 }, - { 0x03, 0x01 }, - }; - struct reg_val agc_ter[] = { - { 0x25, 0x00 }, - { 0x23, 0x4c }, - { 0x01, 0x40 }, - }; - struct tc90522_state *state; - struct reg_val *rv; - int num; - - state = fe->demodulator_priv; - if (fe->ops.delsys[0] == SYS_ISDBS) { - agc_sat[0].val = on ? 0xff : 0x00; - agc_sat[1].val |= 0x80; - agc_sat[1].val |= on ? 0x01 : 0x00; - agc_sat[2].val |= on ? 0x40 : 0x00; - rv = agc_sat; - num = ARRAY_SIZE(agc_sat); - } else { - agc_ter[0].val = on ? 0x40 : 0x00; - agc_ter[1].val |= on ? 0x00 : 0x01; - rv = agc_ter; - num = ARRAY_SIZE(agc_ter); - } - return reg_write(state, rv, num); -} - -static const struct reg_val sleep_sat = { 0x17, 0x01 }; -static const struct reg_val sleep_ter = { 0x03, 0x90 }; - -static int tc90522_sleep(struct dvb_frontend *fe) -{ - struct tc90522_state *state; - int ret; - - state = fe->demodulator_priv; - if (fe->ops.delsys[0] == SYS_ISDBS) - ret = reg_write(state, &sleep_sat, 1); - else { - ret = reg_write(state, &sleep_ter, 1); - if (ret == 0 && fe->ops.set_lna && - fe->dtv_property_cache.lna == LNA_AUTO) { - fe->dtv_property_cache.lna = 0; - ret = fe->ops.set_lna(fe); - fe->dtv_property_cache.lna = LNA_AUTO; - } - } - if (ret < 0) - dev_warn(&state->tuner_i2c.dev, - "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; -} - -static const struct reg_val wakeup_sat = { 0x17, 0x00 }; -static const struct reg_val wakeup_ter = { 0x03, 0x80 }; - -static int tc90522_init(struct dvb_frontend *fe) -{ - struct tc90522_state *state; - int ret; - - /* - * Because the init sequence is not public, - * the parent device/driver should have init'ed the device before. - * just wake up the device here. - */ - - state = fe->demodulator_priv; - if (fe->ops.delsys[0] == SYS_ISDBS) - ret = reg_write(state, &wakeup_sat, 1); - else { - ret = reg_write(state, &wakeup_ter, 1); - if (ret == 0 && fe->ops.set_lna && - fe->dtv_property_cache.lna == LNA_AUTO) { - fe->dtv_property_cache.lna = 1; - ret = fe->ops.set_lna(fe); - fe->dtv_property_cache.lna = LNA_AUTO; - } - } - if (ret < 0) { - dev_warn(&state->tuner_i2c.dev, - "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; - } - - /* prefer 'all-layers' to 'none' as a default */ - if (fe->dtv_property_cache.isdbt_layer_enabled == 0) - fe->dtv_property_cache.isdbt_layer_enabled = 7; - return tc90522_set_if_agc(fe, true); -} - - -/* - * tuner I2C adapter functions - */ - -static int -tc90522_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) -{ - struct tc90522_state *state; - struct i2c_msg *new_msgs; - int i, j; - int ret, rd_num; - u8 wbuf[256]; - u8 *p, *bufend; - - if (num <= 0) - return -EINVAL; - - rd_num = 0; - for (i = 0; i < num; i++) - if (msgs[i].flags & I2C_M_RD) - rd_num++; - new_msgs = kmalloc(sizeof(*new_msgs) * (num + rd_num), GFP_KERNEL); - if (!new_msgs) - return -ENOMEM; - - state = i2c_get_adapdata(adap); - p = wbuf; - bufend = wbuf + sizeof(wbuf); - for (i = 0, j = 0; i < num; i++, j++) { - new_msgs[j].addr = state->i2c_client->addr; - new_msgs[j].flags = msgs[i].flags; - - if (msgs[i].flags & I2C_M_RD) { - new_msgs[j].flags &= ~I2C_M_RD; - if (p + 2 > bufend) - break; - p[0] = TC90522_I2C_THRU_REG; - p[1] = msgs[i].addr << 1 | 0x01; - new_msgs[j].buf = p; - new_msgs[j].len = 2; - p += 2; - j++; - new_msgs[j].addr = state->i2c_client->addr; - new_msgs[j].flags = msgs[i].flags; - new_msgs[j].buf = msgs[i].buf; - new_msgs[j].len = msgs[i].len; - continue; - } - - if (p + msgs[i].len + 2 > bufend) - break; - p[0] = TC90522_I2C_THRU_REG; - p[1] = msgs[i].addr << 1; - memcpy(p + 2, msgs[i].buf, msgs[i].len); - new_msgs[j].buf = p; - new_msgs[j].len = msgs[i].len + 2; - p += new_msgs[j].len; - } - - if (i < num) - ret = -ENOMEM; - else - ret = i2c_transfer(state->i2c_client->adapter, new_msgs, j); - if (ret >= 0 && ret < j) - ret = -EIO; - kfree(new_msgs); - return (ret == j) ? num : ret; -} - -static u32 tc90522_functionality(struct i2c_adapter *adap) -{ - return I2C_FUNC_I2C; -} - -static const struct i2c_algorithm tc90522_tuner_i2c_algo = { - .master_xfer = &tc90522_master_xfer, - .functionality = &tc90522_functionality, -}; - - -/* - * I2C driver functions - */ - -static const struct dvb_frontend_ops tc90522_ops_sat = { - .delsys = { SYS_ISDBS }, - .info = { - .name = "Toshiba TC90522 ISDB-S module", - .frequency_min = 950000, - .frequency_max = 2150000, - .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_AUTO | - FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO, - }, - - .init = tc90522_init, - .sleep = tc90522_sleep, - .set_frontend = tc90522_set_frontend, - .get_tune_settings = tc90522_get_tune_settings, - - .get_frontend = tc90522s_get_frontend, - .read_status = tc90522s_read_status, -}; - -static const struct dvb_frontend_ops tc90522_ops_ter = { - .delsys = { SYS_ISDBT }, - .info = { - .name = "Toshiba TC90522 ISDB-T module", - .frequency_min = 470000000, - .frequency_max = 770000000, - .frequency_stepsize = 142857, - .caps = FE_CAN_INVERSION_AUTO | - 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_RECOVER | - FE_CAN_HIERARCHY_AUTO, - }, - - .init = tc90522_init, - .sleep = tc90522_sleep, - .set_frontend = tc90522_set_frontend, - .get_tune_settings = tc90522_get_tune_settings, - - .get_frontend = tc90522t_get_frontend, - .read_status = tc90522t_read_status, -}; - - -static int tc90522_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct tc90522_state *state; - struct tc90522_config *cfg; - const struct dvb_frontend_ops *ops; - struct i2c_adapter *adap; - int ret; - - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return -ENOMEM; - state->i2c_client = client; - - cfg = client->dev.platform_data; - memcpy(&state->cfg, cfg, sizeof(state->cfg)); - cfg->fe = state->cfg.fe = &state->fe; - ops = id->driver_data == 0 ? &tc90522_ops_sat : &tc90522_ops_ter; - memcpy(&state->fe.ops, ops, sizeof(*ops)); - state->fe.demodulator_priv = state; - - adap = &state->tuner_i2c; - adap->owner = THIS_MODULE; - adap->algo = &tc90522_tuner_i2c_algo; - adap->dev.parent = &client->dev; - strlcpy(adap->name, "tc90522_sub", sizeof(adap->name)); - i2c_set_adapdata(adap, state); - ret = i2c_add_adapter(adap); - if (ret < 0) - goto err; - cfg->tuner_i2c = state->cfg.tuner_i2c = adap; - - i2c_set_clientdata(client, &state->cfg); - dev_info(&client->dev, "Toshiba TC90522 attached.\n"); - return 0; - -err: - kfree(state); - return ret; -} - -static int tc90522_remove(struct i2c_client *client) -{ - struct tc90522_state *state; - - state = cfg_to_state(i2c_get_clientdata(client)); - i2c_del_adapter(&state->tuner_i2c); - kfree(state); - return 0; -} - - -static const struct i2c_device_id tc90522_id[] = { - { TC90522_I2C_DEV_SAT, 0 }, - { TC90522_I2C_DEV_TER, 1 }, - {} -}; -MODULE_DEVICE_TABLE(i2c, tc90522_id); - -static struct i2c_driver tc90522_driver = { - .driver = { - .name = "tc90522", - }, - .probe = tc90522_probe, - .remove = tc90522_remove, - .id_table = tc90522_id, -}; - -module_i2c_driver(tc90522_driver); - -MODULE_DESCRIPTION("Toshiba TC90522 frontend"); -MODULE_AUTHOR("Akihiro TSUKADA"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb-frontends/tc90522.h b/drivers/media/dvb-frontends/tc90522.h deleted file mode 100644 index b1cbddf..0000000 --- a/drivers/media/dvb-frontends/tc90522.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Toshiba TC90522 Demodulator - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * The demod has 4 input (2xISDB-T and 2xISDB-S), - * and provides independent sub modules for each input. - * As the sub modules work in parallel and have the separate i2c addr's, - * this driver treats each sub module as one demod device. - */ - -#ifndef TC90522_H -#define TC90522_H - -#include -#include "dvb_frontend.h" - -/* I2C device types */ -#define TC90522_I2C_DEV_SAT "tc90522sat" -#define TC90522_I2C_DEV_TER "tc90522ter" - -struct tc90522_config { - /* [OUT] frontend returned by driver */ - struct dvb_frontend *fe; - - /* [OUT] tuner I2C adapter returned by driver */ - struct i2c_adapter *tuner_i2c; -}; - -#endif /* TC90522_H */ diff --git a/drivers/media/pci/pt3/Kconfig b/drivers/media/pci/pt3/Kconfig deleted file mode 100644 index 16c208a..0000000 --- a/drivers/media/pci/pt3/Kconfig +++ /dev/null @@ -1,10 +0,0 @@ -config DVB_PT3 - tristate "Earthsoft PT3 cards" - depends on DVB_CORE && PCI && I2C - select DVB_TC90522 if MEDIA_SUBDRV_AUTOSELECT - select MEDIA_TUNER_QM1D1C0042 if MEDIA_SUBDRV_AUTOSELECT - select MEDIA_TUNER_MXL301RF if MEDIA_SUBDRV_AUTOSELECT - help - Support for Earthsoft PT3 PCIe cards. - - Say Y or M if you own such a device and want to use it. diff --git a/drivers/media/pci/pt3/Makefile b/drivers/media/pci/pt3/Makefile deleted file mode 100644 index 396f146..0000000 --- a/drivers/media/pci/pt3/Makefile +++ /dev/null @@ -1,8 +0,0 @@ - -earth-pt3-objs += pt3.o pt3_i2c.o pt3_dma.o - -obj-$(CONFIG_DVB_PT3) += earth-pt3.o - -ccflags-y += -Idrivers/media/dvb-core -ccflags-y += -Idrivers/media/dvb-frontends -ccflags-y += -Idrivers/media/tuners diff --git a/drivers/media/pci/pt3/pt3.c b/drivers/media/pci/pt3/pt3.c deleted file mode 100644 index eff5e9f..0000000 --- a/drivers/media/pci/pt3/pt3.c +++ /dev/null @@ -1,874 +0,0 @@ -/* - * Earthsoft PT3 driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include -#include -#include -#include -#include -#include -#include - -#include "dmxdev.h" -#include "dvbdev.h" -#include "dvb_demux.h" -#include "dvb_frontend.h" - -#include "pt3.h" - -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - -static bool one_adapter; -module_param(one_adapter, bool, 0444); -MODULE_PARM_DESC(one_adapter, "Place FE's together under one adapter."); - -static int num_bufs = 4; -module_param(num_bufs, int, 0444); -MODULE_PARM_DESC(num_bufs, "Number of DMA buffer (188KiB) per FE."); - - -static const struct i2c_algorithm pt3_i2c_algo = { - .master_xfer = &pt3_i2c_master_xfer, - .functionality = &pt3_i2c_functionality, -}; - -static const struct pt3_adap_config adap_conf[PT3_NUM_FE] = { - { - .demod_info = { - I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x11), - }, - .tuner_info = { - I2C_BOARD_INFO("qm1d1c0042", 0x63), - }, - .tuner_cfg.qm1d1c0042 = { - .lpf = 1, - }, - .init_freq = 1049480 - 300, - }, - { - .demod_info = { - I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x10), - }, - .tuner_info = { - I2C_BOARD_INFO("mxl301rf", 0x62), - }, - .init_freq = 515142857, - }, - { - .demod_info = { - I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x13), - }, - .tuner_info = { - I2C_BOARD_INFO("qm1d1c0042", 0x60), - }, - .tuner_cfg.qm1d1c0042 = { - .lpf = 1, - }, - .init_freq = 1049480 + 300, - }, - { - .demod_info = { - I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x12), - }, - .tuner_info = { - I2C_BOARD_INFO("mxl301rf", 0x61), - }, - .init_freq = 521142857, - }, -}; - - -struct reg_val { - u8 reg; - u8 val; -}; - -static int -pt3_demod_write(struct pt3_adapter *adap, const struct reg_val *data, int num) -{ - struct i2c_msg msg; - int i, ret; - - ret = 0; - msg.addr = adap->i2c_demod->addr; - msg.flags = 0; - msg.len = 2; - for (i = 0; i < num; i++) { - msg.buf = (u8 *)&data[i]; - ret = i2c_transfer(adap->i2c_demod->adapter, &msg, 1); - if (ret == 0) - ret = -EREMOTE; - if (ret < 0) - return ret; - } - return 0; -} - -static inline void pt3_lnb_ctrl(struct pt3_board *pt3, bool on) -{ - iowrite32((on ? 0x0f : 0x0c), pt3->regs[0] + REG_SYSTEM_W); -} - -static inline struct pt3_adapter *pt3_find_adapter(struct dvb_frontend *fe) -{ - struct pt3_board *pt3; - int i; - - if (one_adapter) { - pt3 = fe->dvb->priv; - for (i = 0; i < PT3_NUM_FE; i++) - if (pt3->adaps[i]->fe == fe) - return pt3->adaps[i]; - } - return container_of(fe->dvb, struct pt3_adapter, dvb_adap); -} - -/* - * all 4 tuners in PT3 are packaged in a can module (Sharp VA4M6JC2103). - * it seems that they share the power lines and Amp power line and - * adaps[3] controls those powers. - */ -static int -pt3_set_tuner_power(struct pt3_board *pt3, bool tuner_on, bool amp_on) -{ - struct reg_val rv = { 0x1e, 0x99 }; - - if (tuner_on) - rv.val |= 0x40; - if (amp_on) - rv.val |= 0x04; - return pt3_demod_write(pt3->adaps[PT3_NUM_FE - 1], &rv, 1); -} - -static int pt3_set_lna(struct dvb_frontend *fe) -{ - struct pt3_adapter *adap; - struct pt3_board *pt3; - u32 val; - int ret; - - /* LNA is shared btw. 2 TERR-tuners */ - - adap = pt3_find_adapter(fe); - val = fe->dtv_property_cache.lna; - if (val == LNA_AUTO || val == adap->cur_lna) - return 0; - - pt3 = adap->dvb_adap.priv; - if (mutex_lock_interruptible(&pt3->lock)) - return -ERESTARTSYS; - if (val) - pt3->lna_on_cnt++; - else - pt3->lna_on_cnt--; - - if (val && pt3->lna_on_cnt <= 1) { - pt3->lna_on_cnt = 1; - ret = pt3_set_tuner_power(pt3, true, true); - } else if (!val && pt3->lna_on_cnt <= 0) { - pt3->lna_on_cnt = 0; - ret = pt3_set_tuner_power(pt3, true, false); - } else - ret = 0; - mutex_unlock(&pt3->lock); - adap->cur_lna = (val != 0); - return ret; -} - -static int pt3_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage volt) -{ - struct pt3_adapter *adap; - struct pt3_board *pt3; - bool on; - - /* LNB power is shared btw. 2 SAT-tuners */ - - adap = pt3_find_adapter(fe); - on = (volt != SEC_VOLTAGE_OFF); - if (on == adap->cur_lnb) - return 0; - adap->cur_lnb = on; - pt3 = adap->dvb_adap.priv; - if (mutex_lock_interruptible(&pt3->lock)) - return -ERESTARTSYS; - if (on) - pt3->lnb_on_cnt++; - else - pt3->lnb_on_cnt--; - - if (on && pt3->lnb_on_cnt <= 1) { - pt3->lnb_on_cnt = 1; - pt3_lnb_ctrl(pt3, true); - } else if (!on && pt3->lnb_on_cnt <= 0) { - pt3->lnb_on_cnt = 0; - pt3_lnb_ctrl(pt3, false); - } - mutex_unlock(&pt3->lock); - return 0; -} - -/* register values used in pt3_fe_init() */ - -static const struct reg_val init0_sat[] = { - { 0x03, 0x01 }, - { 0x1e, 0x10 }, -}; -static const struct reg_val init0_ter[] = { - { 0x01, 0x40 }, - { 0x1c, 0x10 }, -}; -static const struct reg_val cfg_sat[] = { - { 0x1c, 0x15 }, - { 0x1f, 0x04 }, -}; -static const struct reg_val cfg_ter[] = { - { 0x1d, 0x01 }, -}; - -/* - * pt3_fe_init: initialize demod sub modules and ISDB-T tuners all at once. - * - * As for demod IC (TC90522) and ISDB-T tuners (MxL301RF), - * the i2c sequences for init'ing them are not public and hidden in a ROM, - * and include the board specific configurations as well. - * They are stored in a lump and cannot be taken out / accessed separately, - * thus cannot be moved to the FE/tuner driver. - */ -static int pt3_fe_init(struct pt3_board *pt3) -{ - int i, ret; - struct dvb_frontend *fe; - - pt3_i2c_reset(pt3); - ret = pt3_init_all_demods(pt3); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, "Failed to init demod chips\n"); - return ret; - } - - /* additional config? */ - for (i = 0; i < PT3_NUM_FE; i++) { - fe = pt3->adaps[i]->fe; - - if (fe->ops.delsys[0] == SYS_ISDBS) - ret = pt3_demod_write(pt3->adaps[i], - init0_sat, ARRAY_SIZE(init0_sat)); - else - ret = pt3_demod_write(pt3->adaps[i], - init0_ter, ARRAY_SIZE(init0_ter)); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, - "demod[%d] failed in init sequence0\n", i); - return ret; - } - ret = fe->ops.init(fe); - if (ret < 0) - return ret; - } - - usleep_range(2000, 4000); - ret = pt3_set_tuner_power(pt3, true, false); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, "Failed to control tuner module\n"); - return ret; - } - - /* output pin configuration */ - for (i = 0; i < PT3_NUM_FE; i++) { - fe = pt3->adaps[i]->fe; - if (fe->ops.delsys[0] == SYS_ISDBS) - ret = pt3_demod_write(pt3->adaps[i], - cfg_sat, ARRAY_SIZE(cfg_sat)); - else - ret = pt3_demod_write(pt3->adaps[i], - cfg_ter, ARRAY_SIZE(cfg_ter)); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, - "demod[%d] failed in init sequence1\n", i); - return ret; - } - } - usleep_range(4000, 6000); - - for (i = 0; i < PT3_NUM_FE; i++) { - fe = pt3->adaps[i]->fe; - if (fe->ops.delsys[0] != SYS_ISDBS) - continue; - /* init and wake-up ISDB-S tuners */ - ret = fe->ops.tuner_ops.init(fe); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, - "Failed to init SAT-tuner[%d]\n", i); - return ret; - } - } - ret = pt3_init_all_mxl301rf(pt3); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, "Failed to init TERR-tuners\n"); - return ret; - } - - ret = pt3_set_tuner_power(pt3, true, true); - if (ret < 0) { - dev_warn(&pt3->pdev->dev, "Failed to control tuner module\n"); - return ret; - } - - /* Wake up all tuners and make an initial tuning, - * in order to avoid interference among the tuners in the module, - * according to the doc from the manufacturer. - */ - for (i = 0; i < PT3_NUM_FE; i++) { - fe = pt3->adaps[i]->fe; - ret = 0; - if (fe->ops.delsys[0] == SYS_ISDBT) - ret = fe->ops.tuner_ops.init(fe); - /* set only when called from pt3_probe(), not resume() */ - if (ret == 0 && fe->dtv_property_cache.frequency == 0) { - fe->dtv_property_cache.frequency = - adap_conf[i].init_freq; - ret = fe->ops.tuner_ops.set_params(fe); - } - if (ret < 0) { - dev_warn(&pt3->pdev->dev, - "Failed in initial tuning of tuner[%d]\n", i); - return ret; - } - } - - /* and sleep again, waiting to be opened by users. */ - for (i = 0; i < PT3_NUM_FE; i++) { - fe = pt3->adaps[i]->fe; - if (fe->ops.tuner_ops.sleep) - ret = fe->ops.tuner_ops.sleep(fe); - if (ret < 0) - break; - if (fe->ops.sleep) - ret = fe->ops.sleep(fe); - if (ret < 0) - break; - if (fe->ops.delsys[0] == SYS_ISDBS) - fe->ops.set_voltage = &pt3_set_voltage; - else - fe->ops.set_lna = &pt3_set_lna; - } - if (i < PT3_NUM_FE) { - dev_warn(&pt3->pdev->dev, "FE[%d] failed to standby\n", i); - return ret; - } - return 0; -} - - -static int pt3_attach_fe(struct pt3_board *pt3, int i) -{ - struct i2c_board_info info; - struct tc90522_config cfg; - struct i2c_client *cl; - struct dvb_adapter *dvb_adap; - int ret; - - info = adap_conf[i].demod_info; - cfg = adap_conf[i].demod_cfg; - cfg.tuner_i2c = NULL; - info.platform_data = &cfg; - - ret = -ENODEV; - request_module("tc90522"); - cl = i2c_new_device(&pt3->i2c_adap, &info); - if (!cl || !cl->dev.driver) - return -ENODEV; - pt3->adaps[i]->i2c_demod = cl; - if (!try_module_get(cl->dev.driver->owner)) - goto err_demod_i2c_unregister_device; - - if (!strncmp(cl->name, TC90522_I2C_DEV_SAT, - strlen(TC90522_I2C_DEV_SAT))) { - struct qm1d1c0042_config tcfg; - - tcfg = adap_conf[i].tuner_cfg.qm1d1c0042; - tcfg.fe = cfg.fe; - info = adap_conf[i].tuner_info; - info.platform_data = &tcfg; - request_module("qm1d1c0042"); - cl = i2c_new_device(cfg.tuner_i2c, &info); - } else { - struct mxl301rf_config tcfg; - - tcfg = adap_conf[i].tuner_cfg.mxl301rf; - tcfg.fe = cfg.fe; - info = adap_conf[i].tuner_info; - info.platform_data = &tcfg; - request_module("mxl301rf"); - cl = i2c_new_device(cfg.tuner_i2c, &info); - } - if (!cl || !cl->dev.driver) - goto err_demod_module_put; - pt3->adaps[i]->i2c_tuner = cl; - if (!try_module_get(cl->dev.driver->owner)) - goto err_tuner_i2c_unregister_device; - - dvb_adap = &pt3->adaps[one_adapter ? 0 : i]->dvb_adap; - ret = dvb_register_frontend(dvb_adap, cfg.fe); - if (ret < 0) - goto err_tuner_module_put; - pt3->adaps[i]->fe = cfg.fe; - return 0; - -err_tuner_module_put: - module_put(pt3->adaps[i]->i2c_tuner->dev.driver->owner); -err_tuner_i2c_unregister_device: - i2c_unregister_device(pt3->adaps[i]->i2c_tuner); -err_demod_module_put: - module_put(pt3->adaps[i]->i2c_demod->dev.driver->owner); -err_demod_i2c_unregister_device: - i2c_unregister_device(pt3->adaps[i]->i2c_demod); - - return ret; -} - - -static int pt3_fetch_thread(void *data) -{ - struct pt3_adapter *adap = data; - ktime_t delay; - bool was_frozen; - -#define PT3_INITIAL_BUF_DROPS 4 -#define PT3_FETCH_DELAY 10 -#define PT3_FETCH_DELAY_DELTA 2 - - pt3_init_dmabuf(adap); - adap->num_discard = PT3_INITIAL_BUF_DROPS; - - dev_dbg(adap->dvb_adap.device, "PT3: [%s] started\n", - adap->thread->comm); - set_freezable(); - while (!kthread_freezable_should_stop(&was_frozen)) { - if (was_frozen) - adap->num_discard = PT3_INITIAL_BUF_DROPS; - - pt3_proc_dma(adap); - - delay = ktime_set(0, PT3_FETCH_DELAY * NSEC_PER_MSEC); - set_current_state(TASK_UNINTERRUPTIBLE); - freezable_schedule_hrtimeout_range(&delay, - PT3_FETCH_DELAY_DELTA * NSEC_PER_MSEC, - HRTIMER_MODE_REL); - } - dev_dbg(adap->dvb_adap.device, "PT3: [%s] exited\n", - adap->thread->comm); - adap->thread = NULL; - return 0; -} - -static int pt3_start_streaming(struct pt3_adapter *adap) -{ - struct task_struct *thread; - - /* start fetching thread */ - thread = kthread_run(pt3_fetch_thread, adap, "pt3-ad%i-dmx%i", - adap->dvb_adap.num, adap->dmxdev.dvbdev->id); - if (IS_ERR(thread)) { - int ret = PTR_ERR(thread); - - dev_warn(adap->dvb_adap.device, - "PT3 (adap:%d, dmx:%d): failed to start kthread\n", - adap->dvb_adap.num, adap->dmxdev.dvbdev->id); - return ret; - } - adap->thread = thread; - - return pt3_start_dma(adap); -} - -static int pt3_stop_streaming(struct pt3_adapter *adap) -{ - int ret; - - ret = pt3_stop_dma(adap); - if (ret) - dev_warn(adap->dvb_adap.device, - "PT3: failed to stop streaming of adap:%d/FE:%d\n", - adap->dvb_adap.num, adap->fe->id); - - /* kill the fetching thread */ - ret = kthread_stop(adap->thread); - return ret; -} - -static int pt3_start_feed(struct dvb_demux_feed *feed) -{ - struct pt3_adapter *adap; - - if (signal_pending(current)) - return -EINTR; - - adap = container_of(feed->demux, struct pt3_adapter, demux); - adap->num_feeds++; - if (adap->thread) - return 0; - if (adap->num_feeds != 1) { - dev_warn(adap->dvb_adap.device, - "%s: unmatched start/stop_feed in adap:%i/dmx:%i\n", - __func__, adap->dvb_adap.num, adap->dmxdev.dvbdev->id); - adap->num_feeds = 1; - } - - return pt3_start_streaming(adap); - -} - -static int pt3_stop_feed(struct dvb_demux_feed *feed) -{ - struct pt3_adapter *adap; - - adap = container_of(feed->demux, struct pt3_adapter, demux); - - adap->num_feeds--; - if (adap->num_feeds > 0 || !adap->thread) - return 0; - adap->num_feeds = 0; - - return pt3_stop_streaming(adap); -} - - -static int pt3_alloc_adapter(struct pt3_board *pt3, int index) -{ - int ret; - struct pt3_adapter *adap; - struct dvb_adapter *da; - - adap = kzalloc(sizeof(*adap), GFP_KERNEL); - if (!adap) - return -ENOMEM; - - pt3->adaps[index] = adap; - adap->adap_idx = index; - - if (index == 0 || !one_adapter) { - ret = dvb_register_adapter(&adap->dvb_adap, "PT3 DVB", - THIS_MODULE, &pt3->pdev->dev, adapter_nr); - if (ret < 0) { - dev_err(&pt3->pdev->dev, - "failed to register adapter dev\n"); - goto err_mem; - } - da = &adap->dvb_adap; - } else - da = &pt3->adaps[0]->dvb_adap; - - adap->dvb_adap.priv = pt3; - adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; - adap->demux.priv = adap; - adap->demux.feednum = 256; - adap->demux.filternum = 256; - adap->demux.start_feed = pt3_start_feed; - adap->demux.stop_feed = pt3_stop_feed; - ret = dvb_dmx_init(&adap->demux); - if (ret < 0) { - dev_err(&pt3->pdev->dev, "failed to init dmx dev\n"); - goto err_adap; - } - - adap->dmxdev.filternum = 256; - adap->dmxdev.demux = &adap->demux.dmx; - ret = dvb_dmxdev_init(&adap->dmxdev, da); - if (ret < 0) { - dev_err(&pt3->pdev->dev, "failed to init dmxdev\n"); - goto err_demux; - } - - ret = pt3_alloc_dmabuf(adap); - if (ret) { - dev_err(&pt3->pdev->dev, "failed to alloc DMA buffers\n"); - goto err_dmabuf; - } - - return 0; - -err_dmabuf: - pt3_free_dmabuf(adap); - dvb_dmxdev_release(&adap->dmxdev); -err_demux: - dvb_dmx_release(&adap->demux); -err_adap: - if (index == 0 || !one_adapter) - dvb_unregister_adapter(da); -err_mem: - kfree(adap); - pt3->adaps[index] = NULL; - return ret; -} - -static void pt3_cleanup_adapter(struct pt3_board *pt3, int index) -{ - struct pt3_adapter *adap; - struct dmx_demux *dmx; - - adap = pt3->adaps[index]; - if (adap == NULL) - return; - - /* stop demux kthread */ - if (adap->thread) - pt3_stop_streaming(adap); - - dmx = &adap->demux.dmx; - dmx->close(dmx); - if (adap->fe) { - adap->fe->callback = NULL; - if (adap->fe->frontend_priv) - dvb_unregister_frontend(adap->fe); - if (adap->i2c_tuner) { - module_put(adap->i2c_tuner->dev.driver->owner); - i2c_unregister_device(adap->i2c_tuner); - } - if (adap->i2c_demod) { - module_put(adap->i2c_demod->dev.driver->owner); - i2c_unregister_device(adap->i2c_demod); - } - } - pt3_free_dmabuf(adap); - dvb_dmxdev_release(&adap->dmxdev); - dvb_dmx_release(&adap->demux); - if (index == 0 || !one_adapter) - dvb_unregister_adapter(&adap->dvb_adap); - kfree(adap); - pt3->adaps[index] = NULL; -} - -#ifdef CONFIG_PM_SLEEP - -static int pt3_suspend(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct pt3_board *pt3 = pci_get_drvdata(pdev); - int i; - struct pt3_adapter *adap; - - for (i = 0; i < PT3_NUM_FE; i++) { - adap = pt3->adaps[i]; - if (adap->num_feeds > 0) - pt3_stop_dma(adap); - dvb_frontend_suspend(adap->fe); - pt3_free_dmabuf(adap); - } - - pt3_lnb_ctrl(pt3, false); - pt3_set_tuner_power(pt3, false, false); - return 0; -} - -static int pt3_resume(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct pt3_board *pt3 = pci_get_drvdata(pdev); - int i, ret; - struct pt3_adapter *adap; - - ret = pt3_fe_init(pt3); - if (ret) - return ret; - - if (pt3->lna_on_cnt > 0) - pt3_set_tuner_power(pt3, true, true); - if (pt3->lnb_on_cnt > 0) - pt3_lnb_ctrl(pt3, true); - - for (i = 0; i < PT3_NUM_FE; i++) { - adap = pt3->adaps[i]; - dvb_frontend_resume(adap->fe); - ret = pt3_alloc_dmabuf(adap); - if (ret) { - dev_err(&pt3->pdev->dev, "failed to alloc DMA bufs\n"); - continue; - } - if (adap->num_feeds > 0) - pt3_start_dma(adap); - } - - return 0; -} - -#endif /* CONFIG_PM_SLEEP */ - - -static void pt3_remove(struct pci_dev *pdev) -{ - struct pt3_board *pt3; - int i; - - pt3 = pci_get_drvdata(pdev); - for (i = PT3_NUM_FE - 1; i >= 0; i--) - pt3_cleanup_adapter(pt3, i); - i2c_del_adapter(&pt3->i2c_adap); - kfree(pt3->i2c_buf); - pci_iounmap(pt3->pdev, pt3->regs[0]); - pci_iounmap(pt3->pdev, pt3->regs[1]); - pci_release_regions(pdev); - pci_disable_device(pdev); - kfree(pt3); -} - -static int pt3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - u8 rev; - u32 ver; - int i, ret; - struct pt3_board *pt3; - struct i2c_adapter *i2c; - - if (pci_read_config_byte(pdev, PCI_REVISION_ID, &rev) || rev != 1) - return -ENODEV; - - ret = pci_enable_device(pdev); - if (ret < 0) - return -ENODEV; - pci_set_master(pdev); - - ret = pci_request_regions(pdev, DRV_NAME); - if (ret < 0) - goto err_disable_device; - - ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); - if (ret == 0) - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); - else { - ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (ret == 0) - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); - else { - dev_err(&pdev->dev, "Failed to set DMA mask\n"); - goto err_release_regions; - } - dev_info(&pdev->dev, "Use 32bit DMA\n"); - } - - pt3 = kzalloc(sizeof(*pt3), GFP_KERNEL); - if (!pt3) { - ret = -ENOMEM; - goto err_release_regions; - } - pci_set_drvdata(pdev, pt3); - pt3->pdev = pdev; - mutex_init(&pt3->lock); - pt3->regs[0] = pci_ioremap_bar(pdev, 0); - pt3->regs[1] = pci_ioremap_bar(pdev, 2); - if (pt3->regs[0] == NULL || pt3->regs[1] == NULL) { - dev_err(&pdev->dev, "Failed to ioremap\n"); - ret = -ENOMEM; - goto err_kfree; - } - - ver = ioread32(pt3->regs[0] + REG_VERSION); - if ((ver >> 16) != 0x0301) { - dev_warn(&pdev->dev, "PT%d, I/F-ver.:%d not supported\n", - ver >> 24, (ver & 0x00ff0000) >> 16); - ret = -ENODEV; - goto err_iounmap; - } - - pt3->num_bufs = clamp_val(num_bufs, MIN_DATA_BUFS, MAX_DATA_BUFS); - - pt3->i2c_buf = kmalloc(sizeof(*pt3->i2c_buf), GFP_KERNEL); - if (pt3->i2c_buf == NULL) { - ret = -ENOMEM; - goto err_iounmap; - } - i2c = &pt3->i2c_adap; - i2c->owner = THIS_MODULE; - i2c->algo = &pt3_i2c_algo; - i2c->algo_data = NULL; - i2c->dev.parent = &pdev->dev; - strlcpy(i2c->name, DRV_NAME, sizeof(i2c->name)); - i2c_set_adapdata(i2c, pt3); - ret = i2c_add_adapter(i2c); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to add i2c adapter\n"); - goto err_i2cbuf; - } - - for (i = 0; i < PT3_NUM_FE; i++) { - ret = pt3_alloc_adapter(pt3, i); - if (ret < 0) - break; - - ret = pt3_attach_fe(pt3, i); - if (ret < 0) - break; - } - if (i < PT3_NUM_FE) { - dev_err(&pdev->dev, "Failed to create FE%d\n", i); - goto err_cleanup_adapters; - } - - ret = pt3_fe_init(pt3); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to init frontends\n"); - i = PT3_NUM_FE - 1; - goto err_cleanup_adapters; - } - - dev_info(&pdev->dev, - "successfully init'ed PT%d (fw:0x%02x, I/F:0x%02x)\n", - ver >> 24, (ver >> 8) & 0xff, (ver >> 16) & 0xff); - return 0; - -err_cleanup_adapters: - while (i >= 0) - pt3_cleanup_adapter(pt3, i--); - i2c_del_adapter(i2c); -err_i2cbuf: - kfree(pt3->i2c_buf); -err_iounmap: - if (pt3->regs[0]) - pci_iounmap(pdev, pt3->regs[0]); - if (pt3->regs[1]) - pci_iounmap(pdev, pt3->regs[1]); -err_kfree: - kfree(pt3); -err_release_regions: - pci_release_regions(pdev); -err_disable_device: - pci_disable_device(pdev); - return ret; - -} - -static const struct pci_device_id pt3_id_table[] = { - { PCI_DEVICE_SUB(0x1172, 0x4c15, 0xee8d, 0x0368) }, - { }, -}; -MODULE_DEVICE_TABLE(pci, pt3_id_table); - -static SIMPLE_DEV_PM_OPS(pt3_pm_ops, pt3_suspend, pt3_resume); - -static struct pci_driver pt3_driver = { - .name = DRV_NAME, - .probe = pt3_probe, - .remove = pt3_remove, - .id_table = pt3_id_table, - - .driver.pm = &pt3_pm_ops, -}; - -module_pci_driver(pt3_driver); - -MODULE_DESCRIPTION("Earthsoft PT3 Driver"); -MODULE_AUTHOR("Akihiro TSUKADA"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/pci/pt3/pt3.h b/drivers/media/pci/pt3/pt3.h deleted file mode 100644 index 1b3f2ad..0000000 --- a/drivers/media/pci/pt3/pt3.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Earthsoft PT3 driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef PT3_H -#define PT3_H - -#include -#include - -#include "dvb_demux.h" -#include "dvb_frontend.h" -#include "dmxdev.h" - -#include "tc90522.h" -#include "mxl301rf.h" -#include "qm1d1c0042.h" - -#define DRV_NAME KBUILD_MODNAME - -#define PT3_NUM_FE 4 - -/* - * register index of the FPGA chip - */ -#define REG_VERSION 0x00 -#define REG_BUS 0x04 -#define REG_SYSTEM_W 0x08 -#define REG_SYSTEM_R 0x0c -#define REG_I2C_W 0x10 -#define REG_I2C_R 0x14 -#define REG_RAM_W 0x18 -#define REG_RAM_R 0x1c -#define REG_DMA_BASE 0x40 /* regs for FE[i] = REG_DMA_BASE + 0x18 * i */ -#define OFST_DMA_DESC_L 0x00 -#define OFST_DMA_DESC_H 0x04 -#define OFST_DMA_CTL 0x08 -#define OFST_TS_CTL 0x0c -#define OFST_STATUS 0x10 -#define OFST_TS_ERR 0x14 - -/* - * internal buffer for I2C - */ -#define PT3_I2C_MAX 4091 -struct pt3_i2cbuf { - u8 data[PT3_I2C_MAX]; - u8 tmp; - u32 num_cmds; -}; - -/* - * DMA things - */ -#define TS_PACKET_SZ 188 -/* DMA transfers must not cross 4GiB, so use one page / transfer */ -#define DATA_XFER_SZ 4096 -#define DATA_BUF_XFERS 47 -/* (num_bufs * DATA_BUF_SZ) % TS_PACKET_SZ must be 0 */ -#define DATA_BUF_SZ (DATA_BUF_XFERS * DATA_XFER_SZ) -#define MAX_DATA_BUFS 16 -#define MIN_DATA_BUFS 2 - -#define DESCS_IN_PAGE (PAGE_SIZE / sizeof(struct xfer_desc)) -#define MAX_NUM_XFERS (MAX_DATA_BUFS * DATA_BUF_XFERS) -#define MAX_DESC_BUFS DIV_ROUND_UP(MAX_NUM_XFERS, DESCS_IN_PAGE) - -/* DMA transfer description. - * device is passed a pointer to this struct, dma-reads it, - * and gets the DMA buffer ring for storing TS data. - */ -struct xfer_desc { - u32 addr_l; /* bus address of target data buffer */ - u32 addr_h; - u32 size; - u32 next_l; /* bus adddress of the next xfer_desc */ - u32 next_h; -}; - -/* A DMA mapping of a page containing xfer_desc's */ -struct xfer_desc_buffer { - dma_addr_t b_addr; - struct xfer_desc *descs; /* PAGE_SIZE (xfer_desc[DESCS_IN_PAGE]) */ -}; - -/* A DMA mapping of a data buffer */ -struct dma_data_buffer { - dma_addr_t b_addr; - u8 *data; /* size: u8[PAGE_SIZE] */ -}; - -/* - * device things - */ -struct pt3_adap_config { - struct i2c_board_info demod_info; - struct tc90522_config demod_cfg; - - struct i2c_board_info tuner_info; - union tuner_config { - struct qm1d1c0042_config qm1d1c0042; - struct mxl301rf_config mxl301rf; - } tuner_cfg; - u32 init_freq; -}; - -struct pt3_adapter { - struct dvb_adapter dvb_adap; /* dvb_adap.priv => struct pt3_board */ - int adap_idx; - - struct dvb_demux demux; - struct dmxdev dmxdev; - struct dvb_frontend *fe; - struct i2c_client *i2c_demod; - struct i2c_client *i2c_tuner; - - /* data fetch thread */ - struct task_struct *thread; - int num_feeds; - - bool cur_lna; - bool cur_lnb; /* current LNB power status (on/off) */ - - /* items below are for DMA */ - struct dma_data_buffer buffer[MAX_DATA_BUFS]; - int buf_idx; - int buf_ofs; - int num_bufs; /* == pt3_board->num_bufs */ - int num_discard; /* how many access units to discard initially */ - - struct xfer_desc_buffer desc_buf[MAX_DESC_BUFS]; - int num_desc_bufs; /* == num_bufs * DATA_BUF_XFERS / DESCS_IN_PAGE */ -}; - - -struct pt3_board { - struct pci_dev *pdev; - void __iomem *regs[2]; - /* regs[0]: registers, regs[1]: internal memory, used for I2C */ - - struct mutex lock; - - /* LNB power shared among sat-FEs */ - int lnb_on_cnt; /* LNB power on count */ - - /* LNA shared among terr-FEs */ - int lna_on_cnt; /* booster enabled count */ - - int num_bufs; /* number of DMA buffers allocated/mapped per FE */ - - struct i2c_adapter i2c_adap; - struct pt3_i2cbuf *i2c_buf; - - struct pt3_adapter *adaps[PT3_NUM_FE]; -}; - - -/* - * prototypes - */ -extern int pt3_alloc_dmabuf(struct pt3_adapter *adap); -extern void pt3_init_dmabuf(struct pt3_adapter *adap); -extern void pt3_free_dmabuf(struct pt3_adapter *adap); -extern int pt3_start_dma(struct pt3_adapter *adap); -extern int pt3_stop_dma(struct pt3_adapter *adap); -extern int pt3_proc_dma(struct pt3_adapter *adap); - -extern int pt3_i2c_master_xfer(struct i2c_adapter *adap, - struct i2c_msg *msgs, int num); -extern u32 pt3_i2c_functionality(struct i2c_adapter *adap); -extern void pt3_i2c_reset(struct pt3_board *pt3); -extern int pt3_init_all_demods(struct pt3_board *pt3); -extern int pt3_init_all_mxl301rf(struct pt3_board *pt3); -#endif /* PT3_H */ diff --git a/drivers/media/pci/pt3/pt3_dma.c b/drivers/media/pci/pt3/pt3_dma.c deleted file mode 100644 index f0ce904..0000000 --- a/drivers/media/pci/pt3/pt3_dma.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Earthsoft PT3 driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include -#include -#include - -#include "pt3.h" - -#define PT3_ACCESS_UNIT (TS_PACKET_SZ * 128) -#define PT3_BUF_CANARY (0x74) - -static u32 get_dma_base(int idx) -{ - int i; - - i = (idx == 1 || idx == 2) ? 3 - idx : idx; - return REG_DMA_BASE + 0x18 * i; -} - -int pt3_stop_dma(struct pt3_adapter *adap) -{ - struct pt3_board *pt3 = adap->dvb_adap.priv; - u32 base; - u32 stat; - int retry; - - base = get_dma_base(adap->adap_idx); - stat = ioread32(pt3->regs[0] + base + OFST_STATUS); - if (!(stat & 0x01)) - return 0; - - iowrite32(0x02, pt3->regs[0] + base + OFST_DMA_CTL); - for (retry = 0; retry < 5; retry++) { - stat = ioread32(pt3->regs[0] + base + OFST_STATUS); - if (!(stat & 0x01)) - return 0; - msleep(50); - } - return -EIO; -} - -int pt3_start_dma(struct pt3_adapter *adap) -{ - struct pt3_board *pt3 = adap->dvb_adap.priv; - u32 base = get_dma_base(adap->adap_idx); - - iowrite32(0x02, pt3->regs[0] + base + OFST_DMA_CTL); - iowrite32(lower_32_bits(adap->desc_buf[0].b_addr), - pt3->regs[0] + base + OFST_DMA_DESC_L); - iowrite32(upper_32_bits(adap->desc_buf[0].b_addr), - pt3->regs[0] + base + OFST_DMA_DESC_H); - iowrite32(0x01, pt3->regs[0] + base + OFST_DMA_CTL); - return 0; -} - - -static u8 *next_unit(struct pt3_adapter *adap, int *idx, int *ofs) -{ - *ofs += PT3_ACCESS_UNIT; - if (*ofs >= DATA_BUF_SZ) { - *ofs -= DATA_BUF_SZ; - (*idx)++; - if (*idx == adap->num_bufs) - *idx = 0; - } - return &adap->buffer[*idx].data[*ofs]; -} - -int pt3_proc_dma(struct pt3_adapter *adap) -{ - int idx, ofs; - - idx = adap->buf_idx; - ofs = adap->buf_ofs; - - if (adap->buffer[idx].data[ofs] == PT3_BUF_CANARY) - return 0; - - while (*next_unit(adap, &idx, &ofs) != PT3_BUF_CANARY) { - u8 *p; - - p = &adap->buffer[adap->buf_idx].data[adap->buf_ofs]; - if (adap->num_discard > 0) - adap->num_discard--; - else if (adap->buf_ofs + PT3_ACCESS_UNIT > DATA_BUF_SZ) { - dvb_dmx_swfilter_packets(&adap->demux, p, - (DATA_BUF_SZ - adap->buf_ofs) / TS_PACKET_SZ); - dvb_dmx_swfilter_packets(&adap->demux, - adap->buffer[idx].data, ofs / TS_PACKET_SZ); - } else - dvb_dmx_swfilter_packets(&adap->demux, p, - PT3_ACCESS_UNIT / TS_PACKET_SZ); - - *p = PT3_BUF_CANARY; - adap->buf_idx = idx; - adap->buf_ofs = ofs; - } - return 0; -} - -void pt3_init_dmabuf(struct pt3_adapter *adap) -{ - int idx, ofs; - u8 *p; - - idx = 0; - ofs = 0; - p = adap->buffer[0].data; - /* mark the whole buffers as "not written yet" */ - while (idx < adap->num_bufs) { - p[ofs] = PT3_BUF_CANARY; - ofs += PT3_ACCESS_UNIT; - if (ofs >= DATA_BUF_SZ) { - ofs -= DATA_BUF_SZ; - idx++; - p = adap->buffer[idx].data; - } - } - adap->buf_idx = 0; - adap->buf_ofs = 0; -} - -void pt3_free_dmabuf(struct pt3_adapter *adap) -{ - struct pt3_board *pt3; - int i; - - pt3 = adap->dvb_adap.priv; - for (i = 0; i < adap->num_bufs; i++) - dma_free_coherent(&pt3->pdev->dev, DATA_BUF_SZ, - adap->buffer[i].data, adap->buffer[i].b_addr); - adap->num_bufs = 0; - - for (i = 0; i < adap->num_desc_bufs; i++) - dma_free_coherent(&pt3->pdev->dev, PAGE_SIZE, - adap->desc_buf[i].descs, adap->desc_buf[i].b_addr); - adap->num_desc_bufs = 0; -} - - -int pt3_alloc_dmabuf(struct pt3_adapter *adap) -{ - struct pt3_board *pt3; - void *p; - int i, j; - int idx, ofs; - int num_desc_bufs; - dma_addr_t data_addr, desc_addr; - struct xfer_desc *d; - - pt3 = adap->dvb_adap.priv; - adap->num_bufs = 0; - adap->num_desc_bufs = 0; - for (i = 0; i < pt3->num_bufs; i++) { - p = dma_alloc_coherent(&pt3->pdev->dev, DATA_BUF_SZ, - &adap->buffer[i].b_addr, GFP_KERNEL); - if (p == NULL) - goto failed; - adap->buffer[i].data = p; - adap->num_bufs++; - } - pt3_init_dmabuf(adap); - - /* build circular-linked pointers (xfer_desc) to the data buffers*/ - idx = 0; - ofs = 0; - num_desc_bufs = - DIV_ROUND_UP(adap->num_bufs * DATA_BUF_XFERS, DESCS_IN_PAGE); - for (i = 0; i < num_desc_bufs; i++) { - p = dma_alloc_coherent(&pt3->pdev->dev, PAGE_SIZE, - &desc_addr, GFP_KERNEL); - if (p == NULL) - goto failed; - adap->num_desc_bufs++; - adap->desc_buf[i].descs = p; - adap->desc_buf[i].b_addr = desc_addr; - - if (i > 0) { - d = &adap->desc_buf[i - 1].descs[DESCS_IN_PAGE - 1]; - d->next_l = lower_32_bits(desc_addr); - d->next_h = upper_32_bits(desc_addr); - } - for (j = 0; j < DESCS_IN_PAGE; j++) { - data_addr = adap->buffer[idx].b_addr + ofs; - d = &adap->desc_buf[i].descs[j]; - d->addr_l = lower_32_bits(data_addr); - d->addr_h = upper_32_bits(data_addr); - d->size = DATA_XFER_SZ; - - desc_addr += sizeof(struct xfer_desc); - d->next_l = lower_32_bits(desc_addr); - d->next_h = upper_32_bits(desc_addr); - - ofs += DATA_XFER_SZ; - if (ofs >= DATA_BUF_SZ) { - ofs -= DATA_BUF_SZ; - idx++; - if (idx >= adap->num_bufs) { - desc_addr = adap->desc_buf[0].b_addr; - d->next_l = lower_32_bits(desc_addr); - d->next_h = upper_32_bits(desc_addr); - return 0; - } - } - } - } - return 0; - -failed: - pt3_free_dmabuf(adap); - return -ENOMEM; -} diff --git a/drivers/media/pci/pt3/pt3_i2c.c b/drivers/media/pci/pt3/pt3_i2c.c deleted file mode 100644 index ec6a8a2..0000000 --- a/drivers/media/pci/pt3/pt3_i2c.c +++ /dev/null @@ -1,240 +0,0 @@ -/* - * Earthsoft PT3 driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include -#include -#include -#include -#include - -#include "pt3.h" - -#define PT3_I2C_BASE 2048 -#define PT3_CMD_ADDR_NORMAL 0 -#define PT3_CMD_ADDR_INIT_DEMOD 4096 -#define PT3_CMD_ADDR_INIT_TUNER (4096 + 2042) - -/* masks for I2C status register */ -#define STAT_SEQ_RUNNING 0x1 -#define STAT_SEQ_ERROR 0x6 -#define STAT_NO_SEQ 0x8 - -#define PT3_I2C_RUN (1 << 16) -#define PT3_I2C_RESET (1 << 17) - -enum ctl_cmd { - I_END, - I_ADDRESS, - I_CLOCK_L, - I_CLOCK_H, - I_DATA_L, - I_DATA_H, - I_RESET, - I_SLEEP, - I_DATA_L_NOP = 0x08, - I_DATA_H_NOP = 0x0c, - I_DATA_H_READ = 0x0d, - I_DATA_H_ACK0 = 0x0e, - I_DATA_H_ACK1 = 0x0f, -}; - - -static void cmdbuf_add(struct pt3_i2cbuf *cbuf, enum ctl_cmd cmd) -{ - int buf_idx; - - if ((cbuf->num_cmds % 2) == 0) - cbuf->tmp = cmd; - else { - cbuf->tmp |= cmd << 4; - buf_idx = cbuf->num_cmds / 2; - if (buf_idx < ARRAY_SIZE(cbuf->data)) - cbuf->data[buf_idx] = cbuf->tmp; - } - cbuf->num_cmds++; -} - -static void put_end(struct pt3_i2cbuf *cbuf) -{ - cmdbuf_add(cbuf, I_END); - if (cbuf->num_cmds % 2) - cmdbuf_add(cbuf, I_END); -} - -static void put_start(struct pt3_i2cbuf *cbuf) -{ - cmdbuf_add(cbuf, I_DATA_H); - cmdbuf_add(cbuf, I_CLOCK_H); - cmdbuf_add(cbuf, I_DATA_L); - cmdbuf_add(cbuf, I_CLOCK_L); -} - -static void put_byte_write(struct pt3_i2cbuf *cbuf, u8 val) -{ - u8 mask; - - mask = 0x80; - for (mask = 0x80; mask > 0; mask >>= 1) - cmdbuf_add(cbuf, (val & mask) ? I_DATA_H_NOP : I_DATA_L_NOP); - cmdbuf_add(cbuf, I_DATA_H_ACK0); -} - -static void put_byte_read(struct pt3_i2cbuf *cbuf, u32 size) -{ - int i, j; - - for (i = 0; i < size; i++) { - for (j = 0; j < 8; j++) - cmdbuf_add(cbuf, I_DATA_H_READ); - cmdbuf_add(cbuf, (i == size - 1) ? I_DATA_H_NOP : I_DATA_L_NOP); - } -} - -static void put_stop(struct pt3_i2cbuf *cbuf) -{ - cmdbuf_add(cbuf, I_DATA_L); - cmdbuf_add(cbuf, I_CLOCK_H); - cmdbuf_add(cbuf, I_DATA_H); -} - - -/* translates msgs to internal commands for bit-banging */ -static void translate(struct pt3_i2cbuf *cbuf, struct i2c_msg *msgs, int num) -{ - int i, j; - bool rd; - - cbuf->num_cmds = 0; - for (i = 0; i < num; i++) { - rd = !!(msgs[i].flags & I2C_M_RD); - put_start(cbuf); - put_byte_write(cbuf, msgs[i].addr << 1 | rd); - if (rd) - put_byte_read(cbuf, msgs[i].len); - else - for (j = 0; j < msgs[i].len; j++) - put_byte_write(cbuf, msgs[i].buf[j]); - } - if (num > 0) { - put_stop(cbuf); - put_end(cbuf); - } -} - -static int wait_i2c_result(struct pt3_board *pt3, u32 *result, int max_wait) -{ - int i; - u32 v; - - for (i = 0; i < max_wait; i++) { - v = ioread32(pt3->regs[0] + REG_I2C_R); - if (!(v & STAT_SEQ_RUNNING)) - break; - usleep_range(500, 750); - } - if (i >= max_wait) - return -EIO; - if (result) - *result = v; - return 0; -} - -/* send [pre-]translated i2c msgs stored at addr */ -static int send_i2c_cmd(struct pt3_board *pt3, u32 addr) -{ - u32 ret; - - /* make sure that previous transactions had finished */ - if (wait_i2c_result(pt3, NULL, 50)) { - dev_warn(&pt3->pdev->dev, "(%s) prev. transaction stalled\n", - __func__); - return -EIO; - } - - iowrite32(PT3_I2C_RUN | addr, pt3->regs[0] + REG_I2C_W); - usleep_range(200, 300); - /* wait for the current transaction to finish */ - if (wait_i2c_result(pt3, &ret, 500) || (ret & STAT_SEQ_ERROR)) { - dev_warn(&pt3->pdev->dev, "(%s) failed.\n", __func__); - return -EIO; - } - return 0; -} - - -/* init commands for each demod are combined into one transaction - * and hidden in ROM with the address PT3_CMD_ADDR_INIT_DEMOD. - */ -int pt3_init_all_demods(struct pt3_board *pt3) -{ - ioread32(pt3->regs[0] + REG_I2C_R); - return send_i2c_cmd(pt3, PT3_CMD_ADDR_INIT_DEMOD); -} - -/* init commands for two ISDB-T tuners are hidden in ROM. */ -int pt3_init_all_mxl301rf(struct pt3_board *pt3) -{ - usleep_range(1000, 2000); - return send_i2c_cmd(pt3, PT3_CMD_ADDR_INIT_TUNER); -} - -void pt3_i2c_reset(struct pt3_board *pt3) -{ - iowrite32(PT3_I2C_RESET, pt3->regs[0] + REG_I2C_W); -} - -/* - * I2C algorithm - */ -int -pt3_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) -{ - struct pt3_board *pt3; - struct pt3_i2cbuf *cbuf; - int i; - void __iomem *p; - - pt3 = i2c_get_adapdata(adap); - cbuf = pt3->i2c_buf; - - for (i = 0; i < num; i++) - if (msgs[i].flags & I2C_M_RECV_LEN) { - dev_warn(&pt3->pdev->dev, - "(%s) I2C_M_RECV_LEN not supported.\n", - __func__); - return -EINVAL; - } - - translate(cbuf, msgs, num); - memcpy_toio(pt3->regs[1] + PT3_I2C_BASE + PT3_CMD_ADDR_NORMAL / 2, - cbuf->data, cbuf->num_cmds); - - if (send_i2c_cmd(pt3, PT3_CMD_ADDR_NORMAL) < 0) - return -EIO; - - p = pt3->regs[1] + PT3_I2C_BASE; - for (i = 0; i < num; i++) - if ((msgs[i].flags & I2C_M_RD) && msgs[i].len > 0) { - memcpy_fromio(msgs[i].buf, p, msgs[i].len); - p += msgs[i].len; - } - - return num; -} - -u32 pt3_i2c_functionality(struct i2c_adapter *adap) -{ - return I2C_FUNC_I2C; -} diff --git a/drivers/media/tuners/mxl301rf.c b/drivers/media/tuners/mxl301rf.c deleted file mode 100644 index 1575a5d..0000000 --- a/drivers/media/tuners/mxl301rf.c +++ /dev/null @@ -1,349 +0,0 @@ -/* - * MaxLinear MxL301RF OFDM tuner driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * NOTICE: - * This driver is incomplete and lacks init/config of the chips, - * as the necessary info is not disclosed. - * Other features like get_if_frequency() are missing as well. - * It assumes that users of this driver (such as a PCI bridge of - * DTV receiver cards) properly init and configure the chip - * via I2C *before* calling this driver's init() function. - * - * Currently, PT3 driver is the only one that uses this driver, - * and contains init/config code in its firmware. - * Thus some part of the code might be dependent on PT3 specific config. - */ - -#include -#include "mxl301rf.h" - -struct mxl301rf_state { - struct mxl301rf_config cfg; - struct i2c_client *i2c; -}; - -static struct mxl301rf_state *cfg_to_state(struct mxl301rf_config *c) -{ - return container_of(c, struct mxl301rf_state, cfg); -} - -static int raw_write(struct mxl301rf_state *state, const u8 *buf, int len) -{ - int ret; - - ret = i2c_master_send(state->i2c, buf, len); - if (ret >= 0 && ret < len) - ret = -EIO; - return (ret == len) ? 0 : ret; -} - -static int reg_write(struct mxl301rf_state *state, u8 reg, u8 val) -{ - u8 buf[2] = { reg, val }; - - return raw_write(state, buf, 2); -} - -static int reg_read(struct mxl301rf_state *state, u8 reg, u8 *val) -{ - u8 wbuf[2] = { 0xfb, reg }; - int ret; - - ret = raw_write(state, wbuf, sizeof(wbuf)); - if (ret == 0) - ret = i2c_master_recv(state->i2c, val, 1); - if (ret >= 0 && ret < 1) - ret = -EIO; - return (ret == 1) ? 0 : ret; -} - -/* tuner_ops */ - -/* get RSSI and update propery cache, set to *out in % */ -static int mxl301rf_get_rf_strength(struct dvb_frontend *fe, u16 *out) -{ - struct mxl301rf_state *state; - int ret; - u8 rf_in1, rf_in2, rf_off1, rf_off2; - u16 rf_in, rf_off; - s64 level; - struct dtv_fe_stats *rssi; - - rssi = &fe->dtv_property_cache.strength; - rssi->len = 1; - rssi->stat[0].scale = FE_SCALE_NOT_AVAILABLE; - *out = 0; - - state = fe->tuner_priv; - ret = reg_write(state, 0x14, 0x01); - if (ret < 0) - return ret; - usleep_range(1000, 2000); - - ret = reg_read(state, 0x18, &rf_in1); - if (ret == 0) - ret = reg_read(state, 0x19, &rf_in2); - if (ret == 0) - ret = reg_read(state, 0xd6, &rf_off1); - if (ret == 0) - ret = reg_read(state, 0xd7, &rf_off2); - if (ret != 0) - return ret; - - rf_in = (rf_in2 & 0x07) << 8 | rf_in1; - rf_off = (rf_off2 & 0x0f) << 5 | (rf_off1 >> 3); - level = rf_in - rf_off - (113 << 3); /* x8 dBm */ - level = level * 1000 / 8; - rssi->stat[0].svalue = level; - rssi->stat[0].scale = FE_SCALE_DECIBEL; - /* *out = (level - min) * 100 / (max - min) */ - *out = (rf_in - rf_off + (1 << 9) - 1) * 100 / ((5 << 9) - 2); - return 0; -} - -/* spur shift parameters */ -struct shf { - u32 freq; /* Channel center frequency */ - u32 ofst_th; /* Offset frequency threshold */ - u8 shf_val; /* Spur shift value */ - u8 shf_dir; /* Spur shift direction */ -}; - -static const struct shf shf_tab[] = { - { 64500, 500, 0x92, 0x07 }, - { 191500, 300, 0xe2, 0x07 }, - { 205500, 500, 0x2c, 0x04 }, - { 212500, 500, 0x1e, 0x04 }, - { 226500, 500, 0xd4, 0x07 }, - { 99143, 500, 0x9c, 0x07 }, - { 173143, 500, 0xd4, 0x07 }, - { 191143, 300, 0xd4, 0x07 }, - { 207143, 500, 0xce, 0x07 }, - { 225143, 500, 0xce, 0x07 }, - { 243143, 500, 0xd4, 0x07 }, - { 261143, 500, 0xd4, 0x07 }, - { 291143, 500, 0xd4, 0x07 }, - { 339143, 500, 0x2c, 0x04 }, - { 117143, 500, 0x7a, 0x07 }, - { 135143, 300, 0x7a, 0x07 }, - { 153143, 500, 0x01, 0x07 } -}; - -struct reg_val { - u8 reg; - u8 val; -} __attribute__ ((__packed__)); - -static const struct reg_val set_idac[] = { - { 0x0d, 0x00 }, - { 0x0c, 0x67 }, - { 0x6f, 0x89 }, - { 0x70, 0x0c }, - { 0x6f, 0x8a }, - { 0x70, 0x0e }, - { 0x6f, 0x8b }, - { 0x70, 0x1c }, -}; - -static int mxl301rf_set_params(struct dvb_frontend *fe) -{ - struct reg_val tune0[] = { - { 0x13, 0x00 }, /* abort tuning */ - { 0x3b, 0xc0 }, - { 0x3b, 0x80 }, - { 0x10, 0x95 }, /* BW */ - { 0x1a, 0x05 }, - { 0x61, 0x00 }, /* spur shift value (placeholder) */ - { 0x62, 0xa0 } /* spur shift direction (placeholder) */ - }; - - struct reg_val tune1[] = { - { 0x11, 0x40 }, /* RF frequency L (placeholder) */ - { 0x12, 0x0e }, /* RF frequency H (placeholder) */ - { 0x13, 0x01 } /* start tune */ - }; - - struct mxl301rf_state *state; - u32 freq; - u16 f; - u32 tmp, div; - int i, ret; - - state = fe->tuner_priv; - freq = fe->dtv_property_cache.frequency; - - /* spur shift function (for analog) */ - for (i = 0; i < ARRAY_SIZE(shf_tab); i++) { - if (freq >= (shf_tab[i].freq - shf_tab[i].ofst_th) * 1000 && - freq <= (shf_tab[i].freq + shf_tab[i].ofst_th) * 1000) { - tune0[5].val = shf_tab[i].shf_val; - tune0[6].val = 0xa0 | shf_tab[i].shf_dir; - break; - } - } - ret = raw_write(state, (u8 *) tune0, sizeof(tune0)); - if (ret < 0) - goto failed; - usleep_range(3000, 4000); - - /* convert freq to 10.6 fixed point float [MHz] */ - f = freq / 1000000; - tmp = freq % 1000000; - div = 1000000; - for (i = 0; i < 6; i++) { - f <<= 1; - div >>= 1; - if (tmp > div) { - tmp -= div; - f |= 1; - } - } - if (tmp > 7812) - f++; - tune1[0].val = f & 0xff; - tune1[1].val = f >> 8; - ret = raw_write(state, (u8 *) tune1, sizeof(tune1)); - if (ret < 0) - goto failed; - msleep(31); - - ret = reg_write(state, 0x1a, 0x0d); - if (ret < 0) - goto failed; - ret = raw_write(state, (u8 *) set_idac, sizeof(set_idac)); - if (ret < 0) - goto failed; - return 0; - -failed: - dev_warn(&state->i2c->dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; -} - -static const struct reg_val standby_data[] = { - { 0x01, 0x00 }, - { 0x13, 0x00 } -}; - -static int mxl301rf_sleep(struct dvb_frontend *fe) -{ - struct mxl301rf_state *state; - int ret; - - state = fe->tuner_priv; - ret = raw_write(state, (u8 *)standby_data, sizeof(standby_data)); - if (ret < 0) - dev_warn(&state->i2c->dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; -} - - -/* init sequence is not public. - * the parent must have init'ed the device. - * just wake up here. - */ -static int mxl301rf_init(struct dvb_frontend *fe) -{ - struct mxl301rf_state *state; - int ret; - - state = fe->tuner_priv; - - ret = reg_write(state, 0x01, 0x01); - if (ret < 0) { - dev_warn(&state->i2c->dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; - } - return 0; -} - -/* I2C driver functions */ - -static const struct dvb_tuner_ops mxl301rf_ops = { - .info = { - .name = "MaxLinear MxL301RF", - - .frequency_min = 93000000, - .frequency_max = 803142857, - }, - - .init = mxl301rf_init, - .sleep = mxl301rf_sleep, - - .set_params = mxl301rf_set_params, - .get_rf_strength = mxl301rf_get_rf_strength, -}; - - -static int mxl301rf_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct mxl301rf_state *state; - struct mxl301rf_config *cfg; - struct dvb_frontend *fe; - - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return -ENOMEM; - - state->i2c = client; - cfg = client->dev.platform_data; - - memcpy(&state->cfg, cfg, sizeof(state->cfg)); - fe = cfg->fe; - fe->tuner_priv = state; - memcpy(&fe->ops.tuner_ops, &mxl301rf_ops, sizeof(mxl301rf_ops)); - - i2c_set_clientdata(client, &state->cfg); - dev_info(&client->dev, "MaxLinear MxL301RF attached.\n"); - return 0; -} - -static int mxl301rf_remove(struct i2c_client *client) -{ - struct mxl301rf_state *state; - - state = cfg_to_state(i2c_get_clientdata(client)); - state->cfg.fe->tuner_priv = NULL; - kfree(state); - return 0; -} - - -static const struct i2c_device_id mxl301rf_id[] = { - {"mxl301rf", 0}, - {} -}; -MODULE_DEVICE_TABLE(i2c, mxl301rf_id); - -static struct i2c_driver mxl301rf_driver = { - .driver = { - .name = "mxl301rf", - }, - .probe = mxl301rf_probe, - .remove = mxl301rf_remove, - .id_table = mxl301rf_id, -}; - -module_i2c_driver(mxl301rf_driver); - -MODULE_DESCRIPTION("MaxLinear MXL301RF tuner"); -MODULE_AUTHOR("Akihiro TSUKADA"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/tuners/mxl301rf.h b/drivers/media/tuners/mxl301rf.h deleted file mode 100644 index 19e6840..0000000 --- a/drivers/media/tuners/mxl301rf.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * MaxLinear MxL301RF OFDM tuner driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef MXL301RF_H -#define MXL301RF_H - -#include "dvb_frontend.h" - -struct mxl301rf_config { - struct dvb_frontend *fe; -}; - -#endif /* MXL301RF_H */ diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c deleted file mode 100644 index 18bc745..0000000 --- a/drivers/media/tuners/qm1d1c0042.c +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Sharp QM1D1C0042 8PSK tuner driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * NOTICE: - * As the disclosed information on the chip is very limited, - * this driver lacks some features, including chip config like IF freq. - * It assumes that users of this driver (such as a PCI bridge of - * DTV receiver cards) know the relevant info and - * configure the chip via I2C if necessary. - * - * Currently, PT3 driver is the only one that uses this driver, - * and contains init/config code in its firmware. - * Thus some part of the code might be dependent on PT3 specific config. - */ - -#include -#include -#include "qm1d1c0042.h" - -#define QM1D1C0042_NUM_REGS 0x20 - -static const u8 reg_initval[QM1D1C0042_NUM_REGS] = { - 0x48, 0x1c, 0xa0, 0x10, 0xbc, 0xc5, 0x20, 0x33, - 0x06, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, - 0x00, 0xff, 0xf3, 0x00, 0x2a, 0x64, 0xa6, 0x86, - 0x8c, 0xcf, 0xb8, 0xf1, 0xa8, 0xf2, 0x89, 0x00 -}; - -static const struct qm1d1c0042_config default_cfg = { - .xtal_freq = 16000, - .lpf = 1, - .fast_srch = 0, - .lpf_wait = 20, - .fast_srch_wait = 4, - .normal_srch_wait = 15, -}; - -struct qm1d1c0042_state { - struct qm1d1c0042_config cfg; - struct i2c_client *i2c; - u8 regs[QM1D1C0042_NUM_REGS]; -}; - -static struct qm1d1c0042_state *cfg_to_state(struct qm1d1c0042_config *c) -{ - return container_of(c, struct qm1d1c0042_state, cfg); -} - -static int reg_write(struct qm1d1c0042_state *state, u8 reg, u8 val) -{ - u8 wbuf[2] = { reg, val }; - int ret; - - ret = i2c_master_send(state->i2c, wbuf, sizeof(wbuf)); - if (ret >= 0 && ret < sizeof(wbuf)) - ret = -EIO; - return (ret == sizeof(wbuf)) ? 0 : ret; -} - -static int reg_read(struct qm1d1c0042_state *state, u8 reg, u8 *val) -{ - struct i2c_msg msgs[2] = { - { - .addr = state->i2c->addr, - .flags = 0, - .buf = ®, - .len = 1, - }, - { - .addr = state->i2c->addr, - .flags = I2C_M_RD, - .buf = val, - .len = 1, - }, - }; - int ret; - - ret = i2c_transfer(state->i2c->adapter, msgs, ARRAY_SIZE(msgs)); - if (ret >= 0 && ret < ARRAY_SIZE(msgs)) - ret = -EIO; - return (ret == ARRAY_SIZE(msgs)) ? 0 : ret; -} - - -static int qm1d1c0042_set_srch_mode(struct qm1d1c0042_state *state, bool fast) -{ - if (fast) - state->regs[0x03] |= 0x01; /* set fast search mode */ - else - state->regs[0x03] &= ~0x01 & 0xff; - - return reg_write(state, 0x03, state->regs[0x03]); -} - -static int qm1d1c0042_wakeup(struct qm1d1c0042_state *state) -{ - int ret; - - state->regs[0x01] |= 1 << 3; /* BB_Reg_enable */ - state->regs[0x01] &= (~(1 << 0)) & 0xff; /* NORMAL (wake-up) */ - state->regs[0x05] &= (~(1 << 3)) & 0xff; /* pfd_rst NORMAL */ - ret = reg_write(state, 0x01, state->regs[0x01]); - if (ret == 0) - ret = reg_write(state, 0x05, state->regs[0x05]); - - if (ret < 0) - dev_warn(&state->i2c->dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, state->cfg.fe->dvb->num, state->cfg.fe->id); - return ret; -} - -/* tuner_ops */ - -static int qm1d1c0042_set_config(struct dvb_frontend *fe, void *priv_cfg) -{ - struct qm1d1c0042_state *state; - struct qm1d1c0042_config *cfg; - - state = fe->tuner_priv; - cfg = priv_cfg; - - if (cfg->fe) - state->cfg.fe = cfg->fe; - - if (cfg->xtal_freq != QM1D1C0042_CFG_XTAL_DFLT) - dev_warn(&state->i2c->dev, - "(%s) changing xtal_freq not supported. ", __func__); - state->cfg.xtal_freq = default_cfg.xtal_freq; - - state->cfg.lpf = cfg->lpf; - state->cfg.fast_srch = cfg->fast_srch; - - if (cfg->lpf_wait != QM1D1C0042_CFG_WAIT_DFLT) - state->cfg.lpf_wait = cfg->lpf_wait; - else - state->cfg.lpf_wait = default_cfg.lpf_wait; - - if (cfg->fast_srch_wait != QM1D1C0042_CFG_WAIT_DFLT) - state->cfg.fast_srch_wait = cfg->fast_srch_wait; - else - state->cfg.fast_srch_wait = default_cfg.fast_srch_wait; - - if (cfg->normal_srch_wait != QM1D1C0042_CFG_WAIT_DFLT) - state->cfg.normal_srch_wait = cfg->normal_srch_wait; - else - state->cfg.normal_srch_wait = default_cfg.normal_srch_wait; - return 0; -} - -/* divisor, vco_band parameters */ -/* {maxfreq, param1(band?), param2(div?) */ -static const u32 conv_table[9][3] = { - { 2151000, 1, 7 }, - { 1950000, 1, 6 }, - { 1800000, 1, 5 }, - { 1600000, 1, 4 }, - { 1450000, 1, 3 }, - { 1250000, 1, 2 }, - { 1200000, 0, 7 }, - { 975000, 0, 6 }, - { 950000, 0, 0 } -}; - -static int qm1d1c0042_set_params(struct dvb_frontend *fe) -{ - struct qm1d1c0042_state *state; - u32 freq; - int i, ret; - u8 val, mask; - u32 a, sd; - s32 b; - - state = fe->tuner_priv; - freq = fe->dtv_property_cache.frequency; - - state->regs[0x08] &= 0xf0; - state->regs[0x08] |= 0x09; - - state->regs[0x13] &= 0x9f; - state->regs[0x13] |= 0x20; - - /* div2/vco_band */ - val = state->regs[0x02] & 0x0f; - for (i = 0; i < 8; i++) - if (freq < conv_table[i][0] && freq >= conv_table[i + 1][0]) { - val |= conv_table[i][1] << 7; - val |= conv_table[i][2] << 4; - break; - } - ret = reg_write(state, 0x02, val); - if (ret < 0) - return ret; - - a = (freq + state->cfg.xtal_freq / 2) / state->cfg.xtal_freq; - - state->regs[0x06] &= 0x40; - state->regs[0x06] |= (a - 12) / 4; - ret = reg_write(state, 0x06, state->regs[0x06]); - if (ret < 0) - return ret; - - state->regs[0x07] &= 0xf0; - state->regs[0x07] |= (a - 4 * ((a - 12) / 4 + 1) - 5) & 0x0f; - ret = reg_write(state, 0x07, state->regs[0x07]); - if (ret < 0) - return ret; - - /* LPF */ - val = state->regs[0x08]; - if (state->cfg.lpf) { - /* LPF_CLK, LPF_FC */ - val &= 0xf0; - val |= 0x02; - } - ret = reg_write(state, 0x08, val); - if (ret < 0) - return ret; - - /* - * b = (freq / state->cfg.xtal_freq - a) << 20; - * sd = b (b >= 0) - * 1<<22 + b (b < 0) - */ - b = (s32)div64_s64(((s64) freq) << 20, state->cfg.xtal_freq) - - (((s64) a) << 20); - - if (b >= 0) - sd = b; - else - sd = (1 << 22) + b; - - state->regs[0x09] &= 0xc0; - state->regs[0x09] |= (sd >> 16) & 0x3f; - state->regs[0x0a] = (sd >> 8) & 0xff; - state->regs[0x0b] = sd & 0xff; - ret = reg_write(state, 0x09, state->regs[0x09]); - if (ret == 0) - ret = reg_write(state, 0x0a, state->regs[0x0a]); - if (ret == 0) - ret = reg_write(state, 0x0b, state->regs[0x0b]); - if (ret != 0) - return ret; - - if (!state->cfg.lpf) { - /* CSEL_Offset */ - ret = reg_write(state, 0x13, state->regs[0x13]); - if (ret < 0) - return ret; - } - - /* VCO_TM, LPF_TM */ - mask = state->cfg.lpf ? 0x3f : 0x7f; - val = state->regs[0x0c] & mask; - ret = reg_write(state, 0x0c, val); - if (ret < 0) - return ret; - usleep_range(2000, 3000); - val = state->regs[0x0c] | ~mask; - ret = reg_write(state, 0x0c, val); - if (ret < 0) - return ret; - - if (state->cfg.lpf) - msleep(state->cfg.lpf_wait); - else if (state->regs[0x03] & 0x01) - msleep(state->cfg.fast_srch_wait); - else - msleep(state->cfg.normal_srch_wait); - - if (state->cfg.lpf) { - /* LPF_FC */ - ret = reg_write(state, 0x08, 0x09); - if (ret < 0) - return ret; - - /* CSEL_Offset */ - ret = reg_write(state, 0x13, state->regs[0x13]); - if (ret < 0) - return ret; - } - return 0; -} - -static int qm1d1c0042_sleep(struct dvb_frontend *fe) -{ - struct qm1d1c0042_state *state; - int ret; - - state = fe->tuner_priv; - state->regs[0x01] &= (~(1 << 3)) & 0xff; /* BB_Reg_disable */ - state->regs[0x01] |= 1 << 0; /* STDBY */ - state->regs[0x05] |= 1 << 3; /* pfd_rst STANDBY */ - ret = reg_write(state, 0x05, state->regs[0x05]); - if (ret == 0) - ret = reg_write(state, 0x01, state->regs[0x01]); - if (ret < 0) - dev_warn(&state->i2c->dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; -} - -static int qm1d1c0042_init(struct dvb_frontend *fe) -{ - struct qm1d1c0042_state *state; - u8 val; - int i, ret; - - state = fe->tuner_priv; - memcpy(state->regs, reg_initval, sizeof(reg_initval)); - - reg_write(state, 0x01, 0x0c); - reg_write(state, 0x01, 0x0c); - - ret = reg_write(state, 0x01, 0x0c); /* soft reset on */ - if (ret < 0) - goto failed; - usleep_range(2000, 3000); - - val = state->regs[0x01] | 0x10; - ret = reg_write(state, 0x01, val); /* soft reset off */ - if (ret < 0) - goto failed; - - /* check ID */ - ret = reg_read(state, 0x00, &val); - if (ret < 0 || val != 0x48) - goto failed; - usleep_range(2000, 3000); - - state->regs[0x0c] |= 0x40; - ret = reg_write(state, 0x0c, state->regs[0x0c]); - if (ret < 0) - goto failed; - msleep(state->cfg.lpf_wait); - - /* set all writable registers */ - for (i = 1; i <= 0x0c ; i++) { - ret = reg_write(state, i, state->regs[i]); - if (ret < 0) - goto failed; - } - for (i = 0x11; i < QM1D1C0042_NUM_REGS; i++) { - ret = reg_write(state, i, state->regs[i]); - if (ret < 0) - goto failed; - } - - ret = qm1d1c0042_wakeup(state); - if (ret < 0) - goto failed; - - ret = qm1d1c0042_set_srch_mode(state, state->cfg.fast_srch); - if (ret < 0) - goto failed; - - return ret; - -failed: - dev_warn(&state->i2c->dev, "(%s) failed. [adap%d-fe%d]\n", - __func__, fe->dvb->num, fe->id); - return ret; -} - -/* I2C driver functions */ - -static const struct dvb_tuner_ops qm1d1c0042_ops = { - .info = { - .name = "Sharp QM1D1C0042", - - .frequency_min = 950000, - .frequency_max = 2150000, - }, - - .init = qm1d1c0042_init, - .sleep = qm1d1c0042_sleep, - .set_config = qm1d1c0042_set_config, - .set_params = qm1d1c0042_set_params, -}; - - -static int qm1d1c0042_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct qm1d1c0042_state *state; - struct qm1d1c0042_config *cfg; - struct dvb_frontend *fe; - - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return -ENOMEM; - state->i2c = client; - - cfg = client->dev.platform_data; - fe = cfg->fe; - fe->tuner_priv = state; - qm1d1c0042_set_config(fe, cfg); - memcpy(&fe->ops.tuner_ops, &qm1d1c0042_ops, sizeof(qm1d1c0042_ops)); - - i2c_set_clientdata(client, &state->cfg); - dev_info(&client->dev, "Sharp QM1D1C0042 attached.\n"); - return 0; -} - -static int qm1d1c0042_remove(struct i2c_client *client) -{ - struct qm1d1c0042_state *state; - - state = cfg_to_state(i2c_get_clientdata(client)); - state->cfg.fe->tuner_priv = NULL; - kfree(state); - return 0; -} - - -static const struct i2c_device_id qm1d1c0042_id[] = { - {"qm1d1c0042", 0}, - {} -}; -MODULE_DEVICE_TABLE(i2c, qm1d1c0042_id); - -static struct i2c_driver qm1d1c0042_driver = { - .driver = { - .name = "qm1d1c0042", - }, - .probe = qm1d1c0042_probe, - .remove = qm1d1c0042_remove, - .id_table = qm1d1c0042_id, -}; - -module_i2c_driver(qm1d1c0042_driver); - -MODULE_DESCRIPTION("Sharp QM1D1C0042 tuner"); -MODULE_AUTHOR("Akihiro TSUKADA"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/tuners/qm1d1c0042.h b/drivers/media/tuners/qm1d1c0042.h deleted file mode 100644 index 4f5c188..0000000 --- a/drivers/media/tuners/qm1d1c0042.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Sharp QM1D1C0042 8PSK tuner driver - * - * Copyright (C) 2014 Akihiro Tsukada - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef QM1D1C0042_H -#define QM1D1C0042_H - -#include "dvb_frontend.h" - - -struct qm1d1c0042_config { - struct dvb_frontend *fe; - - u32 xtal_freq; /* [kHz] */ /* currently ignored */ - bool lpf; /* enable LPF */ - bool fast_srch; /* enable fast search mode, no LPF */ - u32 lpf_wait; /* wait in tuning with LPF enabled. [ms] */ - u32 fast_srch_wait; /* with fast-search mode, no LPF. [ms] */ - u32 normal_srch_wait; /* with no LPF/fast-search mode. [ms] */ -}; -/* special values indicating to use the default in qm1d1c0042_config */ -#define QM1D1C0042_CFG_XTAL_DFLT 0 -#define QM1D1C0042_CFG_WAIT_DFLT 0 - -#endif /* QM1D1C0042_H */ -- 2.7.4