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Date: Fri, 14 Apr 2017 11:31:50 +0900
From: <Yasunari.Takiguchi@...y.com>
To: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-media@...r.kernel.org>
CC: <tbird20d@...il.com>, <frowand.list@...il.com>,
Yasunari Takiguchi <Yasunari.Takiguchi@...y.com>,
Masayuki Yamamoto <Masayuki.Yamamoto@...y.com>,
Hideki Nozawa <Hideki.Nozawa@...y.com>,
"Kota Yonezawa" <Kota.Yonezawa@...y.com>,
Toshihiko Matsumoto <Toshihiko.Matsumoto@...y.com>,
Satoshi Watanabe <Satoshi.C.Watanabe@...y.com>
Subject: [PATCH v2 08/15] [media] cxd2880: Add top level of the driver
From: Yasunari Takiguchi <Yasunari.Takiguchi@...y.com>
This provides the main dvb frontend operation functions
for the Sony CXD2880 DVB-T2/T tuner + demodulator driver.
Signed-off-by: Yasunari Takiguchi <Yasunari.Takiguchi@...y.com>
Signed-off-by: Masayuki Yamamoto <Masayuki.Yamamoto@...y.com>
Signed-off-by: Hideki Nozawa <Hideki.Nozawa@...y.com>
Signed-off-by: Kota Yonezawa <Kota.Yonezawa@...y.com>
Signed-off-by: Toshihiko Matsumoto <Toshihiko.Matsumoto@...y.com>
Signed-off-by: Satoshi Watanabe <Satoshi.C.Watanabe@...y.com>
---
drivers/media/dvb-frontends/cxd2880/cxd2880_top.c | 1550 +++++++++++++++++++++
1 file changed, 1550 insertions(+)
create mode 100644 drivers/media/dvb-frontends/cxd2880/cxd2880_top.c
diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c b/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c
new file mode 100644
index 000000000000..66d78fb93a13
--- /dev/null
+++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c
@@ -0,0 +1,1550 @@
+/*
+ * cxd2880_top.c
+ * Sony CXD2880 DVB-T2/T tuner + demodulator driver
+ *
+ * Copyright (C) 2016, 2017 Sony Semiconductor Solutions Corporation
+ *
+ * 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 of the License.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/spi/spi.h>
+
+#include "dvb_frontend.h"
+
+#include "cxd2880.h"
+#include "cxd2880_tnrdmd_mon.h"
+#include "cxd2880_tnrdmd_dvbt2_mon.h"
+#include "cxd2880_tnrdmd_dvbt_mon.h"
+#include "cxd2880_integ_dvbt2.h"
+#include "cxd2880_integ_dvbt.h"
+#include "cxd2880_devio_spi.h"
+#include "cxd2880_spi_device.h"
+#include "cxd2880_tnrdmd_driver_version.h"
+
+struct cxd2880_priv {
+ struct cxd2880_tnrdmd tnrdmd;
+ struct spi_device *spi;
+ struct cxd2880_io regio;
+ struct cxd2880_spi_device spi_device;
+ struct cxd2880_spi cxd2880_spi;
+ struct cxd2880_dvbt_tune_param dvbt_tune_param;
+ struct cxd2880_dvbt2_tune_param dvbt2_tune_param;
+ struct mutex *spi_mutex; /* For SPI access exclusive control */
+};
+
+/*
+ * return value conversion table
+ */
+static int return_tbl[] = {
+ 0, /* CXD2880_RESULT_OK */
+ -EINVAL, /* CXD2880_RESULT_ERROR_ARG*/
+ -EIO, /* CXD2880_RESULT_ERROR_IO */
+ -EPERM, /* CXD2880_RESULT_ERROR_SW_STATE */
+ -EBUSY, /* CXD2880_RESULT_ERROR_HW_STATE */
+ -ETIME, /* CXD2880_RESULT_ERROR_TIMEOUT */
+ -EAGAIN, /* CXD2880_RESULT_ERROR_UNLOCK */
+ -ERANGE, /* CXD2880_RESULT_ERROR_RANGE */
+ -EOPNOTSUPP, /* CXD2880_RESULT_ERROR_NOSUPPORT */
+ -ECANCELED, /* CXD2880_RESULT_ERROR_CANCEL */
+ -EPERM, /* CXD2880_RESULT_ERROR_OTHER */
+ -EOVERFLOW, /* CXD2880_RESULT_ERROR_OVERFLOW */
+ 0, /* CXD2880_RESULT_OK_CONFIRM */
+};
+
+static enum cxd2880_ret cxd2880_pre_bit_err_t(
+ struct cxd2880_tnrdmd *tnrdmd, u32 *pre_bit_err,
+ u32 *pre_bit_count)
+{
+ u8 rdata[2];
+
+ if ((!tnrdmd) || (!pre_bit_err) || (!pre_bit_count))
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->sys != CXD2880_DTV_SYS_DVBT)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (slvt_freeze_reg(tnrdmd) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x10) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x39, rdata, 1) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if ((rdata[0] & 0x01) == 0) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_HW_STATE;
+ }
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x22, rdata, 2) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ *pre_bit_err = (rdata[0] << 8) | rdata[1];
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x6F, rdata, 1) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ slvt_unfreeze_reg(tnrdmd);
+
+ *pre_bit_count = ((rdata[0] & 0x07) == 0) ?
+ 256 : (0x1000 << (rdata[0] & 0x07));
+
+ return CXD2880_RESULT_OK;
+}
+
+static enum cxd2880_ret cxd2880_pre_bit_err_t2(
+ struct cxd2880_tnrdmd *tnrdmd, u32 *pre_bit_err,
+ u32 *pre_bit_count)
+{
+ u32 period_exp = 0;
+ u32 n_ldpc = 0;
+ u8 data[5];
+
+ if ((!tnrdmd) || (!pre_bit_err) || (!pre_bit_count))
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->sys != CXD2880_DTV_SYS_DVBT2)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (slvt_freeze_reg(tnrdmd) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x0B) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x3C, data, sizeof(data))
+ != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if (!(data[0] & 0x01)) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_HW_STATE;
+ }
+ *pre_bit_err =
+ ((data[1] & 0x0F) << 24) | (data[2] << 16) | (data[3] << 8) | data[4];
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0xA0, data, 1) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if (((enum cxd2880_dvbt2_plp_fec)(data[0] & 0x03)) ==
+ CXD2880_DVBT2_FEC_LDPC_16K)
+ n_ldpc = 16200;
+ else
+ n_ldpc = 64800;
+ slvt_unfreeze_reg(tnrdmd);
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x20) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x6F, data, 1) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ period_exp = data[0] & 0x0F;
+
+ *pre_bit_count = (1U << period_exp) * n_ldpc;
+
+ return CXD2880_RESULT_OK;
+}
+
+static enum cxd2880_ret cxd2880_post_bit_err_t(struct cxd2880_tnrdmd *tnrdmd,
+ u32 *post_bit_err,
+ u32 *post_bit_count)
+{
+ u8 rdata[3];
+ u32 bit_error = 0;
+ u32 period_exp = 0;
+
+ if ((!tnrdmd) || (!post_bit_err) || (!post_bit_count))
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->sys != CXD2880_DTV_SYS_DVBT)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x0D) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x15, rdata, 3) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if ((rdata[0] & 0x40) == 0)
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ *post_bit_err = ((rdata[0] & 0x3F) << 16) | (rdata[1] << 8) | rdata[2];
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x10) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x60, rdata, 1) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ period_exp = (rdata[0] & 0x1F);
+
+ if ((period_exp <= 11) && (bit_error > (1U << period_exp) * 204 * 8))
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ if (period_exp == 11)
+ *post_bit_count = 3342336;
+ else
+ *post_bit_count = (1U << period_exp) * 204 * 81;
+
+ return CXD2880_RESULT_OK;
+}
+
+static enum cxd2880_ret cxd2880_post_bit_err_t2(struct cxd2880_tnrdmd *tnrdmd,
+ u32 *post_bit_err,
+ u32 *post_bit_count)
+{
+ u32 period_exp = 0;
+ u32 n_bch = 0;
+
+ if ((!tnrdmd) || (!post_bit_err) || (!post_bit_count))
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->sys != CXD2880_DTV_SYS_DVBT2)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ {
+ u8 data[3];
+ enum cxd2880_dvbt2_plp_fec plp_fec_type =
+ CXD2880_DVBT2_FEC_LDPC_16K;
+ enum cxd2880_dvbt2_plp_code_rate plp_code_rate =
+ CXD2880_DVBT2_R1_2;
+
+ static const u16 n_bch_bits_lookup[2][8] = {
+ {7200, 9720, 10800, 11880, 12600, 13320, 5400, 6480},
+ {32400, 38880, 43200, 48600, 51840, 54000, 21600, 25920}
+ };
+
+ if (slvt_freeze_reg(tnrdmd) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x0B) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x15, data, 3) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ if (!(data[0] & 0x40)) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_HW_STATE;
+ }
+
+ *post_bit_err =
+ ((data[0] & 0x3F) << 16) | (data[1] << 8) | data[2];
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x9D, data, 1) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ plp_code_rate =
+ (enum cxd2880_dvbt2_plp_code_rate)(data[0] & 0x07);
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0xA0, data, 1) != CXD2880_RESULT_OK) {
+ slvt_unfreeze_reg(tnrdmd);
+ return CXD2880_RESULT_ERROR_IO;
+ }
+
+ plp_fec_type = (enum cxd2880_dvbt2_plp_fec)(data[0] & 0x03);
+
+ slvt_unfreeze_reg(tnrdmd);
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x20) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x72, data, 1) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ period_exp = data[0] & 0x0F;
+
+ if ((plp_fec_type > CXD2880_DVBT2_FEC_LDPC_64K) ||
+ (plp_code_rate > CXD2880_DVBT2_R2_5))
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ n_bch = n_bch_bits_lookup[plp_fec_type][plp_code_rate];
+ }
+
+ if (*post_bit_err > ((1U << period_exp) * n_bch))
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ *post_bit_count = (1U << period_exp) * n_bch;
+
+ return CXD2880_RESULT_OK;
+}
+
+static enum cxd2880_ret cxd2880_read_block_err_t(
+ struct cxd2880_tnrdmd *tnrdmd,
+ u32 *block_err,
+ u32 *block_count)
+{
+ u8 rdata[3];
+
+ if ((!tnrdmd) || (!block_err) || (!block_count))
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->sys != CXD2880_DTV_SYS_DVBT)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x0D) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x18, rdata, 3) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if ((rdata[0] & 0x01) == 0)
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ *block_err = (rdata[1] << 8) | rdata[2];
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x10) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x5C, rdata, 1) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ *block_count = 1U << (rdata[0] & 0x0F);
+
+ if ((*block_count == 0) || (*block_err > *block_count))
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ return CXD2880_RESULT_OK;
+}
+
+static enum cxd2880_ret cxd2880_read_block_err_t2(
+ struct cxd2880_tnrdmd *tnrdmd,
+ u32 *block_err,
+ u32 *block_count)
+{
+ if ((!tnrdmd) || (!block_err) || (!block_count))
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->diver_mode == CXD2880_TNRDMD_DIVERMODE_SUB)
+ return CXD2880_RESULT_ERROR_ARG;
+
+ if (tnrdmd->state != CXD2880_TNRDMD_STATE_ACTIVE)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+ if (tnrdmd->sys != CXD2880_DTV_SYS_DVBT2)
+ return CXD2880_RESULT_ERROR_SW_STATE;
+
+ {
+ u8 rdata[3];
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x0B) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x18, rdata, 3) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if ((rdata[0] & 0x01) == 0)
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ *block_err = (rdata[1] << 8) | rdata[2];
+
+ if (tnrdmd->io->write_reg(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0x00, 0x24) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ if (tnrdmd->io->read_regs(tnrdmd->io, CXD2880_IO_TGT_DMD,
+ 0xDC, rdata, 1) != CXD2880_RESULT_OK)
+ return CXD2880_RESULT_ERROR_IO;
+
+ *block_count = 1U << (rdata[0] & 0x0F);
+ }
+
+ if ((*block_count == 0) || (*block_err > *block_count))
+ return CXD2880_RESULT_ERROR_HW_STATE;
+
+ return CXD2880_RESULT_OK;
+}
+
+static void cxd2880_release(struct dvb_frontend *fe)
+{
+ struct cxd2880_priv *priv = NULL;
+
+ if (!fe) {
+ pr_err("%s: invalid arg.\n", __func__);
+ return;
+ }
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ kfree(priv);
+}
+
+static int cxd2880_init(struct dvb_frontend *fe)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ struct cxd2880_priv *priv = NULL;
+ struct cxd2880_tnrdmd_create_param create_param;
+
+ if (!fe) {
+ pr_err("%s: invalid arg.\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+
+ create_param.ts_output_if = CXD2880_TNRDMD_TSOUT_IF_SPI;
+ create_param.xtal_share_type = CXD2880_TNRDMD_XTAL_SHARE_NONE;
+ create_param.en_internal_ldo = 1;
+ create_param.xosc_cap = 18;
+ create_param.xosc_i = 8;
+ create_param.stationary_use = 1;
+
+ mutex_lock(priv->spi_mutex);
+ if (priv->tnrdmd.io != &priv->regio) {
+ ret = cxd2880_tnrdmd_create(&priv->tnrdmd,
+ &priv->regio, &create_param);
+ if (ret != CXD2880_RESULT_OK) {
+ mutex_unlock(priv->spi_mutex);
+ dev_info(&priv->spi->dev,
+ "%s: cxd2880 tnrdmd create failed %d\n",
+ __func__, ret);
+ return return_tbl[ret];
+ }
+ }
+ ret = cxd2880_integ_init(&priv->tnrdmd);
+ if (ret != CXD2880_RESULT_OK) {
+ mutex_unlock(priv->spi_mutex);
+ dev_err(&priv->spi->dev, "%s: cxd2880 integ init failed %d\n",
+ __func__, ret);
+ return return_tbl[ret];
+ }
+ mutex_unlock(priv->spi_mutex);
+
+ dev_dbg(&priv->spi->dev, "%s: OK.\n", __func__);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_sleep(struct dvb_frontend *fe)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ struct cxd2880_priv *priv = NULL;
+
+ if (!fe) {
+ pr_err("%s: inavlid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_sleep(&priv->tnrdmd);
+ mutex_unlock(priv->spi_mutex);
+
+ dev_dbg(&priv->spi->dev, "%s: tnrdmd_sleep ret %d\n",
+ __func__, ret);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_read_signal_strength(struct dvb_frontend *fe,
+ u16 *strength)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ struct cxd2880_priv *priv = NULL;
+ struct dtv_frontend_properties *c = NULL;
+ int level = 0;
+
+ if ((!fe) || (!strength)) {
+ pr_err("%s: inavlid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ c = &fe->dtv_property_cache;
+
+ mutex_lock(priv->spi_mutex);
+ if ((c->delivery_system == SYS_DVBT) ||
+ (c->delivery_system == SYS_DVBT2)) {
+ ret = cxd2880_tnrdmd_mon_rf_lvl(&priv->tnrdmd, &level);
+ } else {
+ dev_dbg(&priv->spi->dev, "%s: invalid system\n", __func__);
+ mutex_unlock(priv->spi_mutex);
+ return -EINVAL;
+ }
+ mutex_unlock(priv->spi_mutex);
+
+ level /= 125;
+ /* -105dBm - -30dBm (-105000/125 = -840, -30000/125 = -240 */
+ level = clamp(level, -840, -240);
+ /* scale value to 0x0000-0xFFFF */
+ *strength = (u16)(((level + 840) * 0xFFFF) / (-240 + 840));
+
+ if (ret != CXD2880_RESULT_OK)
+ dev_dbg(&priv->spi->dev, "%s: ret = %d\n", __func__, ret);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ int snrvalue = 0;
+ struct cxd2880_priv *priv = NULL;
+ struct dtv_frontend_properties *c = NULL;
+
+ if ((!fe) || (!snr)) {
+ pr_err("%s: inavlid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ c = &fe->dtv_property_cache;
+
+ mutex_lock(priv->spi_mutex);
+ if (c->delivery_system == SYS_DVBT) {
+ ret = cxd2880_tnrdmd_dvbt_mon_snr(&priv->tnrdmd,
+ &snrvalue);
+ } else if (c->delivery_system == SYS_DVBT2) {
+ ret = cxd2880_tnrdmd_dvbt2_mon_snr(&priv->tnrdmd,
+ &snrvalue);
+ } else {
+ dev_err(&priv->spi->dev, "%s: invalid system\n", __func__);
+ mutex_unlock(priv->spi_mutex);
+ return -EINVAL;
+ }
+ mutex_unlock(priv->spi_mutex);
+
+ if (snrvalue < 0)
+ snrvalue = 0;
+ *snr = (u16)snrvalue;
+
+ if (ret != CXD2880_RESULT_OK)
+ dev_dbg(&priv->spi->dev, "%s: ret = %d\n", __func__, ret);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ struct cxd2880_priv *priv = NULL;
+ struct dtv_frontend_properties *c = NULL;
+
+ if ((!fe) || (!ucblocks)) {
+ pr_err("%s: inavlid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ c = &fe->dtv_property_cache;
+
+ mutex_lock(priv->spi_mutex);
+ if (c->delivery_system == SYS_DVBT) {
+ ret = cxd2880_tnrdmd_dvbt_mon_packet_error_number(
+ &priv->tnrdmd,
+ ucblocks);
+ } else if (c->delivery_system == SYS_DVBT2) {
+ ret = cxd2880_tnrdmd_dvbt2_mon_packet_error_number(
+ &priv->tnrdmd,
+ ucblocks);
+ } else {
+ dev_err(&priv->spi->dev, "%s: invlaid system\n", __func__);
+ mutex_unlock(priv->spi_mutex);
+ return -EINVAL;
+ }
+ mutex_unlock(priv->spi_mutex);
+
+ if (ret != CXD2880_RESULT_OK)
+ dev_dbg(&priv->spi->dev, "%s: ret = %d\n", __func__, ret);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ struct cxd2880_priv *priv = NULL;
+ struct dtv_frontend_properties *c = NULL;
+
+ if ((!fe) || (!ber)) {
+ pr_err("%s: inavlid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ c = &fe->dtv_property_cache;
+
+ mutex_lock(priv->spi_mutex);
+ if (c->delivery_system == SYS_DVBT) {
+ ret = cxd2880_tnrdmd_dvbt_mon_pre_rsber(&priv->tnrdmd,
+ ber);
+ /* x100 to change unit.(10^7 -> 10^9 */
+ *ber *= 100;
+ } else if (c->delivery_system == SYS_DVBT2) {
+ ret = cxd2880_tnrdmd_dvbt2_mon_pre_bchber(&priv->tnrdmd,
+ ber);
+ } else {
+ dev_err(&priv->spi->dev, "%s: invlaid system\n", __func__);
+ mutex_unlock(priv->spi_mutex);
+ return -EINVAL;
+ }
+ mutex_unlock(priv->spi_mutex);
+
+ if (ret != CXD2880_RESULT_OK)
+ dev_dbg(&priv->spi->dev, "%s: ret = %d\n", __func__, ret);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_set_frontend(struct dvb_frontend *fe)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ struct dtv_frontend_properties *c;
+ struct cxd2880_priv *priv;
+ enum cxd2880_dtv_bandwidth bw = CXD2880_DTV_BW_1_7_MHZ;
+
+ if (!fe) {
+ pr_err("%s: inavlid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ c = &fe->dtv_property_cache;
+
+ switch (c->bandwidth_hz) {
+ case 1712000:
+ bw = CXD2880_DTV_BW_1_7_MHZ;
+ break;
+ case 5000000:
+ bw = CXD2880_DTV_BW_5_MHZ;
+ break;
+ case 6000000:
+ bw = CXD2880_DTV_BW_6_MHZ;
+ break;
+ case 7000000:
+ bw = CXD2880_DTV_BW_7_MHZ;
+ break;
+ case 8000000:
+ bw = CXD2880_DTV_BW_8_MHZ;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ dev_info(&priv->spi->dev, "%s: sys:%d freq:%d bw:%d\n", __func__,
+ c->delivery_system, c->frequency, bw);
+ mutex_lock(priv->spi_mutex);
+ if (c->delivery_system == SYS_DVBT) {
+ priv->tnrdmd.sys = CXD2880_DTV_SYS_DVBT;
+ priv->dvbt_tune_param.center_freq_khz = c->frequency / 1000;
+ priv->dvbt_tune_param.bandwidth = bw;
+ priv->dvbt_tune_param.profile = CXD2880_DVBT_PROFILE_HP;
+ ret = cxd2880_integ_dvbt_tune(&priv->tnrdmd,
+ &priv->dvbt_tune_param);
+ } else if (c->delivery_system == SYS_DVBT2) {
+ priv->tnrdmd.sys = CXD2880_DTV_SYS_DVBT2;
+ priv->dvbt2_tune_param.center_freq_khz = c->frequency / 1000;
+ priv->dvbt2_tune_param.bandwidth = bw;
+ priv->dvbt2_tune_param.data_plp_id = (u16)c->stream_id;
+ ret = cxd2880_integ_dvbt2_tune(&priv->tnrdmd,
+ &priv->dvbt2_tune_param);
+ } else {
+ dev_err(&priv->spi->dev, "%s: invalid system\n", __func__);
+ mutex_unlock(priv->spi_mutex);
+ return -EINVAL;
+ }
+ mutex_unlock(priv->spi_mutex);
+ dev_info(&priv->spi->dev, "%s: tune result %d\n", __func__, ret);
+
+ return return_tbl[ret];
+}
+
+static int cxd2880_read_status(struct dvb_frontend *fe,
+ enum fe_status *status)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ u8 sync = 0;
+ u8 lock = 0;
+ u8 unlock = 0;
+ struct cxd2880_priv *priv = NULL;
+ struct dtv_frontend_properties *c = NULL;
+
+ if ((!fe) || (!status)) {
+ pr_err("%s: invalid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+ c = &fe->dtv_property_cache;
+ *status = 0;
+
+ if (priv->tnrdmd.state == CXD2880_TNRDMD_STATE_ACTIVE) {
+ mutex_lock(priv->spi_mutex);
+ if (c->delivery_system == SYS_DVBT) {
+ ret = cxd2880_tnrdmd_dvbt_mon_sync_stat(
+ &priv->tnrdmd,
+ &sync,
+ &lock,
+ &unlock);
+ } else if (c->delivery_system == SYS_DVBT2) {
+ ret = cxd2880_tnrdmd_dvbt2_mon_sync_stat(
+ &priv->tnrdmd,
+ &sync,
+ &lock,
+ &unlock);
+ } else {
+ dev_err(&priv->spi->dev,
+ "%s: invlaid system", __func__);
+ mutex_unlock(priv->spi_mutex);
+ return -EINVAL;
+ }
+
+ mutex_unlock(priv->spi_mutex);
+ if (ret != CXD2880_RESULT_OK) {
+ dev_err(&priv->spi->dev, "%s: failed. sys = %d\n",
+ __func__, priv->tnrdmd.sys);
+ return return_tbl[ret];
+ }
+
+ if (sync == 6) {
+ *status = FE_HAS_SIGNAL |
+ FE_HAS_CARRIER;
+ }
+ if (lock)
+ *status |= FE_HAS_VITERBI |
+ FE_HAS_SYNC |
+ FE_HAS_LOCK;
+ }
+
+ dev_dbg(&priv->spi->dev, "%s: status %d result %d\n", __func__,
+ *status, ret);
+
+ return return_tbl[CXD2880_RESULT_OK];
+}
+
+static int cxd2880_tune(struct dvb_frontend *fe,
+ bool retune,
+ unsigned int mode_flags,
+ unsigned int *delay,
+ enum fe_status *status)
+{
+ int ret = 0;
+
+ if ((!fe) || (!delay) || (!status)) {
+ pr_err("%s: invalid arg.", __func__);
+ return -EINVAL;
+ }
+
+ if (retune) {
+ ret = cxd2880_set_frontend(fe);
+ if (ret) {
+ pr_err("%s: cxd2880_set_frontend failed %d\n",
+ __func__, ret);
+ return ret;
+ }
+ }
+
+ *delay = HZ / 5;
+
+ return cxd2880_read_status(fe, status);
+}
+
+static int cxd2880_get_frontend_t(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *c)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ int result = 0;
+ struct cxd2880_priv *priv = NULL;
+ enum cxd2880_dvbt_mode mode = CXD2880_DVBT_MODE_2K;
+ enum cxd2880_dvbt_guard guard = CXD2880_DVBT_GUARD_1_32;
+ struct cxd2880_dvbt_tpsinfo tps;
+ enum cxd2880_tnrdmd_spectrum_sense sense;
+ u16 snr = 0;
+ int strength = 0;
+ u32 pre_bit_err = 0, pre_bit_count = 0;
+ u32 post_bit_err = 0, post_bit_count = 0;
+ u32 block_err = 0, block_count = 0;
+
+ if ((!fe) || (!c)) {
+ pr_err("%s: invalid arg\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt_mon_mode_guard(&priv->tnrdmd,
+ &mode, &guard);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (mode) {
+ case CXD2880_DVBT_MODE_2K:
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ break;
+ case CXD2880_DVBT_MODE_8K:
+ c->transmission_mode = TRANSMISSION_MODE_8K;
+ break;
+ default:
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ dev_err(&priv->spi->dev, "%s: get invalid mode %d\n",
+ __func__, mode);
+ break;
+ }
+ switch (guard) {
+ case CXD2880_DVBT_GUARD_1_32:
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ break;
+ case CXD2880_DVBT_GUARD_1_16:
+ c->guard_interval = GUARD_INTERVAL_1_16;
+ break;
+ case CXD2880_DVBT_GUARD_1_8:
+ c->guard_interval = GUARD_INTERVAL_1_8;
+ break;
+ case CXD2880_DVBT_GUARD_1_4:
+ c->guard_interval = GUARD_INTERVAL_1_4;
+ break;
+ default:
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ dev_err(&priv->spi->dev, "%s: get invalid guard %d\n",
+ __func__, guard);
+ break;
+ }
+ } else {
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ dev_dbg(&priv->spi->dev,
+ "%s: ModeGuard err %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt_mon_tps_info(&priv->tnrdmd, &tps);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (tps.hierarchy) {
+ case CXD2880_DVBT_HIERARCHY_NON:
+ c->hierarchy = HIERARCHY_NONE;
+ break;
+ case CXD2880_DVBT_HIERARCHY_1:
+ c->hierarchy = HIERARCHY_1;
+ break;
+ case CXD2880_DVBT_HIERARCHY_2:
+ c->hierarchy = HIERARCHY_2;
+ break;
+ case CXD2880_DVBT_HIERARCHY_4:
+ c->hierarchy = HIERARCHY_4;
+ break;
+ default:
+ c->hierarchy = HIERARCHY_NONE;
+ dev_err(&priv->spi->dev,
+ "%s: TPSInfo hierarchy invalid %d\n",
+ __func__, tps.hierarchy);
+ break;
+ }
+
+ switch (tps.rate_hp) {
+ case CXD2880_DVBT_CODERATE_1_2:
+ c->code_rate_HP = FEC_1_2;
+ break;
+ case CXD2880_DVBT_CODERATE_2_3:
+ c->code_rate_HP = FEC_2_3;
+ break;
+ case CXD2880_DVBT_CODERATE_3_4:
+ c->code_rate_HP = FEC_3_4;
+ break;
+ case CXD2880_DVBT_CODERATE_5_6:
+ c->code_rate_HP = FEC_5_6;
+ break;
+ case CXD2880_DVBT_CODERATE_7_8:
+ c->code_rate_HP = FEC_7_8;
+ break;
+ default:
+ c->code_rate_HP = FEC_NONE;
+ dev_err(&priv->spi->dev,
+ "%s: TPSInfo rateHP invalid %d\n",
+ __func__, tps.rate_hp);
+ break;
+ }
+ switch (tps.rate_lp) {
+ case CXD2880_DVBT_CODERATE_1_2:
+ c->code_rate_LP = FEC_1_2;
+ break;
+ case CXD2880_DVBT_CODERATE_2_3:
+ c->code_rate_LP = FEC_2_3;
+ break;
+ case CXD2880_DVBT_CODERATE_3_4:
+ c->code_rate_LP = FEC_3_4;
+ break;
+ case CXD2880_DVBT_CODERATE_5_6:
+ c->code_rate_LP = FEC_5_6;
+ break;
+ case CXD2880_DVBT_CODERATE_7_8:
+ c->code_rate_LP = FEC_7_8;
+ break;
+ default:
+ c->code_rate_LP = FEC_NONE;
+ dev_err(&priv->spi->dev,
+ "%s: TPSInfo rateLP invalid %d\n",
+ __func__, tps.rate_lp);
+ break;
+ }
+ switch (tps.constellation) {
+ case CXD2880_DVBT_CONSTELLATION_QPSK:
+ c->modulation = QPSK;
+ break;
+ case CXD2880_DVBT_CONSTELLATION_16QAM:
+ c->modulation = QAM_16;
+ break;
+ case CXD2880_DVBT_CONSTELLATION_64QAM:
+ c->modulation = QAM_64;
+ break;
+ default:
+ c->modulation = QPSK;
+ dev_err(&priv->spi->dev,
+ "%s: TPSInfo constellation invalid %d\n",
+ __func__, tps.constellation);
+ break;
+ }
+ } else {
+ c->hierarchy = HIERARCHY_NONE;
+ c->code_rate_HP = FEC_NONE;
+ c->code_rate_LP = FEC_NONE;
+ c->modulation = QPSK;
+ dev_dbg(&priv->spi->dev,
+ "%s: TPS info err %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt_mon_spectrum_sense(&priv->tnrdmd, &sense);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (sense) {
+ case CXD2880_TNRDMD_SPECTRUM_NORMAL:
+ c->inversion = INVERSION_OFF;
+ break;
+ case CXD2880_TNRDMD_SPECTRUM_INV:
+ c->inversion = INVERSION_ON;
+ break;
+ default:
+ c->inversion = INVERSION_OFF;
+ dev_err(&priv->spi->dev,
+ "%s: spectrum sense invalid %d\n",
+ __func__, sense);
+ break;
+ }
+ } else {
+ c->inversion = INVERSION_OFF;
+ dev_dbg(&priv->spi->dev,
+ "%s: spectrum_sense %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_mon_rf_lvl(&priv->tnrdmd, &strength);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ c->strength.stat[0].svalue = strength;
+ } else {
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev, "%s: mon_rf_lvl %d\n",
+ __func__, result);
+ }
+
+ result = cxd2880_read_snr(fe, &snr);
+ if (!result) {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[0].svalue = snr;
+ } else {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev, "%s: read_snr %d\n", __func__, result);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_pre_bit_err_t(&priv->tnrdmd, &pre_bit_err,
+ &pre_bit_count);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->pre_bit_error.len = 1;
+ c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_error.stat[0].uvalue = pre_bit_err;
+ c->pre_bit_count.len = 1;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_count.stat[0].uvalue = pre_bit_count;
+ } else {
+ c->pre_bit_error.len = 1;
+ c->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_count.len = 1;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: pre_bit_error_t failed %d\n",
+ __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_post_bit_err_t(&priv->tnrdmd,
+ &post_bit_err, &post_bit_count);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue = post_bit_err;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue = post_bit_count;
+ } else {
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: post_bit_err_t %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_read_block_err_t(&priv->tnrdmd,
+ &block_err, &block_count);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue = block_err;
+ c->block_count.len = 1;
+ c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[0].uvalue = block_count;
+ } else {
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.len = 1;
+ c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: read_block_err_t %d\n", __func__, ret);
+ }
+
+ return 0;
+}
+
+static int cxd2880_get_frontend_t2(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *c)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ int result = 0;
+ struct cxd2880_priv *priv = NULL;
+ struct cxd2880_dvbt2_l1pre l1pre;
+ enum cxd2880_dvbt2_plp_code_rate coderate;
+ enum cxd2880_dvbt2_plp_constell qam;
+ enum cxd2880_tnrdmd_spectrum_sense sense;
+ u16 snr = 0;
+ int strength = 0;
+ u32 pre_bit_err = 0, pre_bit_count = 0;
+ u32 post_bit_err = 0, post_bit_count = 0;
+ u32 block_err = 0, block_count = 0;
+
+ if ((!fe) || (!c)) {
+ pr_err("%s: invalid arg.\n", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt2_mon_l1_pre(&priv->tnrdmd, &l1pre);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (l1pre.fft_mode) {
+ case CXD2880_DVBT2_M2K:
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ break;
+ case CXD2880_DVBT2_M8K:
+ c->transmission_mode = TRANSMISSION_MODE_8K;
+ break;
+ case CXD2880_DVBT2_M4K:
+ c->transmission_mode = TRANSMISSION_MODE_4K;
+ break;
+ case CXD2880_DVBT2_M1K:
+ c->transmission_mode = TRANSMISSION_MODE_1K;
+ break;
+ case CXD2880_DVBT2_M16K:
+ c->transmission_mode = TRANSMISSION_MODE_16K;
+ break;
+ case CXD2880_DVBT2_M32K:
+ c->transmission_mode = TRANSMISSION_MODE_32K;
+ break;
+ default:
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ dev_err(&priv->spi->dev,
+ "%s: L1Pre fft_mode invalid %d\n",
+ __func__, l1pre.fft_mode);
+ break;
+ }
+ switch (l1pre.gi) {
+ case CXD2880_DVBT2_G1_32:
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ break;
+ case CXD2880_DVBT2_G1_16:
+ c->guard_interval = GUARD_INTERVAL_1_16;
+ break;
+ case CXD2880_DVBT2_G1_8:
+ c->guard_interval = GUARD_INTERVAL_1_8;
+ break;
+ case CXD2880_DVBT2_G1_4:
+ c->guard_interval = GUARD_INTERVAL_1_4;
+ break;
+ case CXD2880_DVBT2_G1_128:
+ c->guard_interval = GUARD_INTERVAL_1_128;
+ break;
+ case CXD2880_DVBT2_G19_128:
+ c->guard_interval = GUARD_INTERVAL_19_128;
+ break;
+ case CXD2880_DVBT2_G19_256:
+ c->guard_interval = GUARD_INTERVAL_19_256;
+ break;
+ default:
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ dev_err(&priv->spi->dev,
+ "%s: L1Pre gi invalid %d\n",
+ __func__, l1pre.gi);
+ break;
+ }
+ } else {
+ c->transmission_mode = TRANSMISSION_MODE_2K;
+ c->guard_interval = GUARD_INTERVAL_1_32;
+ dev_dbg(&priv->spi->dev,
+ "%s: L1Pre err %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt2_mon_code_rate(&priv->tnrdmd,
+ CXD2880_DVBT2_PLP_DATA,
+ &coderate);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (coderate) {
+ case CXD2880_DVBT2_R1_2:
+ c->fec_inner = FEC_1_2;
+ break;
+ case CXD2880_DVBT2_R3_5:
+ c->fec_inner = FEC_3_5;
+ break;
+ case CXD2880_DVBT2_R2_3:
+ c->fec_inner = FEC_2_3;
+ break;
+ case CXD2880_DVBT2_R3_4:
+ c->fec_inner = FEC_3_4;
+ break;
+ case CXD2880_DVBT2_R4_5:
+ c->fec_inner = FEC_4_5;
+ break;
+ case CXD2880_DVBT2_R5_6:
+ c->fec_inner = FEC_5_6;
+ break;
+ default:
+ c->fec_inner = FEC_NONE;
+ dev_err(&priv->spi->dev,
+ "%s: CodeRate invalid %d\n",
+ __func__, coderate);
+ break;
+ }
+ } else {
+ c->fec_inner = FEC_NONE;
+ dev_dbg(&priv->spi->dev, "%s: CodeRate %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt2_mon_qam(&priv->tnrdmd,
+ CXD2880_DVBT2_PLP_DATA,
+ &qam);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (qam) {
+ case CXD2880_DVBT2_QPSK:
+ c->modulation = QPSK;
+ break;
+ case CXD2880_DVBT2_QAM16:
+ c->modulation = QAM_16;
+ break;
+ case CXD2880_DVBT2_QAM64:
+ c->modulation = QAM_64;
+ break;
+ case CXD2880_DVBT2_QAM256:
+ c->modulation = QAM_256;
+ break;
+ default:
+ c->modulation = QPSK;
+ dev_err(&priv->spi->dev,
+ "%s: QAM invalid %d\n",
+ __func__, qam);
+ break;
+ }
+ } else {
+ c->modulation = QPSK;
+ dev_dbg(&priv->spi->dev, "%s: QAM %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_dvbt2_mon_spectrum_sense(&priv->tnrdmd, &sense);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ switch (sense) {
+ case CXD2880_TNRDMD_SPECTRUM_NORMAL:
+ c->inversion = INVERSION_OFF;
+ break;
+ case CXD2880_TNRDMD_SPECTRUM_INV:
+ c->inversion = INVERSION_ON;
+ break;
+ default:
+ c->inversion = INVERSION_OFF;
+ dev_err(&priv->spi->dev,
+ "%s: spectrum sense invalid %d\n",
+ __func__, sense);
+ break;
+ }
+ } else {
+ c->inversion = INVERSION_OFF;
+ dev_dbg(&priv->spi->dev,
+ "%s: SpectrumSense %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_tnrdmd_mon_rf_lvl(&priv->tnrdmd, &strength);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ c->strength.stat[0].svalue = strength;
+ } else {
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: mon_rf_lvl %d\n", __func__, ret);
+ }
+
+ result = cxd2880_read_snr(fe, &snr);
+ if (!result) {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[0].svalue = snr;
+ } else {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev, "%s: read_snr %d\n", __func__, result);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_pre_bit_err_t2(&priv->tnrdmd,
+ &pre_bit_err,
+ &pre_bit_count);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->pre_bit_error.len = 1;
+ c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_error.stat[0].uvalue = pre_bit_err;
+ c->pre_bit_count.len = 1;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_count.stat[0].uvalue = pre_bit_count;
+ } else {
+ c->pre_bit_error.len = 1;
+ c->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_count.len = 1;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: read_bit_err_t2 %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_post_bit_err_t2(&priv->tnrdmd,
+ &post_bit_err, &post_bit_count);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue = post_bit_err;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue = post_bit_count;
+ } else {
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: post_bit_err_t2 %d\n", __func__, ret);
+ }
+
+ mutex_lock(priv->spi_mutex);
+ ret = cxd2880_read_block_err_t2(&priv->tnrdmd,
+ &block_err, &block_count);
+ mutex_unlock(priv->spi_mutex);
+ if (ret == CXD2880_RESULT_OK) {
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue = block_err;
+ c->block_count.len = 1;
+ c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[0].uvalue = block_count;
+ } else {
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.len = 1;
+ c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ dev_dbg(&priv->spi->dev,
+ "%s: read_block_err_t2 %d\n", __func__, ret);
+ }
+
+ return 0;
+}
+
+static int cxd2880_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *props)
+{
+ struct cxd2880_priv *priv = NULL;
+ int result = 0;
+
+ if ((!fe) || (!props)) {
+ pr_err("%s: invalid arg.", __func__);
+ return -EINVAL;
+ }
+
+ priv = (struct cxd2880_priv *)fe->demodulator_priv;
+
+ dev_dbg(&priv->spi->dev, "%s: system=%d\n", __func__,
+ fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ result = cxd2880_get_frontend_t(fe, props);
+ break;
+ case SYS_DVBT2:
+ result = cxd2880_get_frontend_t2(fe, props);
+ break;
+ default:
+ result = -EINVAL;
+ break;
+ }
+
+ return result;
+}
+
+static enum dvbfe_algo cxd2880_get_frontend_algo(struct dvb_frontend *fe)
+{
+ return DVBFE_ALGO_HW;
+}
+
+static struct dvb_frontend_ops cxd2880_dvbt_t2_ops;
+
+struct dvb_frontend *cxd2880_attach(struct dvb_frontend *fe,
+ struct cxd2880_config *cfg)
+{
+ enum cxd2880_ret ret = CXD2880_RESULT_OK;
+ enum cxd2880_tnrdmd_chip_id chipid =
+ CXD2880_TNRDMD_CHIP_ID_UNKNOWN;
+ static struct cxd2880_priv *priv;
+ u8 data = 0;
+
+ if (!fe) {
+ pr_err("%s: invalid arg.\n", __func__);
+ return NULL;
+ }
+
+ priv = kzalloc(sizeof(struct cxd2880_priv), GFP_KERNEL);
+ if (!priv)
+ return NULL;
+
+ priv->spi = cfg->spi;
+ priv->spi_mutex = cfg->spi_mutex;
+ priv->spi_device.spi = cfg->spi;
+
+ memcpy(&fe->ops, &cxd2880_dvbt_t2_ops,
+ sizeof(struct dvb_frontend_ops));
+
+ ret = cxd2880_spi_device_initialize(&priv->spi_device,
+ CXD2880_SPI_MODE_0,
+ 55000000);
+ if (ret != CXD2880_RESULT_OK) {
+ dev_err(&priv->spi->dev,
+ "%s: spi_device_initialize failed. %d\n",
+ __func__, ret);
+ kfree(priv);
+ return NULL;
+ }
+
+ ret = cxd2880_spi_device_create_spi(&priv->cxd2880_spi,
+ &priv->spi_device);
+ if (ret != CXD2880_RESULT_OK) {
+ dev_err(&priv->spi->dev,
+ "%s: spi_device_create_spi failed. %d\n",
+ __func__, ret);
+ kfree(priv);
+ return NULL;
+ }
+
+ ret = cxd2880_io_spi_create(&priv->regio, &priv->cxd2880_spi, 0);
+ if (ret != CXD2880_RESULT_OK) {
+ dev_err(&priv->spi->dev,
+ "%s: io_spi_create failed. %d\n", __func__, ret);
+ kfree(priv);
+ return NULL;
+ }
+ if (priv->regio.write_reg(&priv->regio, CXD2880_IO_TGT_SYS, 0x00, 0x00)
+ != CXD2880_RESULT_OK) {
+ dev_err(&priv->spi->dev,
+ "%s: set bank to 0x00 failed.\n", __func__);
+ kfree(priv);
+ return NULL;
+ }
+ if (priv->regio.read_regs(&priv->regio,
+ CXD2880_IO_TGT_SYS, 0xFD, &data, 1)
+ != CXD2880_RESULT_OK) {
+ dev_err(&priv->spi->dev,
+ "%s: read chip id failed.\n", __func__);
+ kfree(priv);
+ return NULL;
+ }
+
+ chipid = (enum cxd2880_tnrdmd_chip_id)data;
+ if ((chipid != CXD2880_TNRDMD_CHIP_ID_CXD2880_ES1_0X) &&
+ (chipid != CXD2880_TNRDMD_CHIP_ID_CXD2880_ES1_11)) {
+ dev_err(&priv->spi->dev,
+ "%s: chip id invalid.\n", __func__);
+ kfree(priv);
+ return NULL;
+ }
+
+ fe->demodulator_priv = priv;
+ dev_info(&priv->spi->dev,
+ "CXD2880 driver version: Ver %s\n",
+ CXD2880_TNRDMD_DRIVER_VERSION);
+
+ return fe;
+}
+EXPORT_SYMBOL(cxd2880_attach);
+
+static struct dvb_frontend_ops cxd2880_dvbt_t2_ops = {
+ .info = {
+ .name = "Sony CXD2880",
+ .frequency_min = 174000000,
+ .frequency_max = 862000000,
+ .frequency_stepsize = 1000,
+ .caps = FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_1_2 |
+ FE_CAN_FEC_2_3 |
+ FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_4_5 |
+ 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_2G_MODULATION |
+ FE_CAN_RECOVER |
+ FE_CAN_MUTE_TS,
+ },
+ .delsys = { SYS_DVBT, SYS_DVBT2 },
+
+ .release = cxd2880_release,
+ .init = cxd2880_init,
+ .sleep = cxd2880_sleep,
+ .tune = cxd2880_tune,
+ .set_frontend = cxd2880_set_frontend,
+ .get_frontend = cxd2880_get_frontend,
+ .read_status = cxd2880_read_status,
+ .read_ber = cxd2880_read_ber,
+ .read_signal_strength = cxd2880_read_signal_strength,
+ .read_snr = cxd2880_read_snr,
+ .read_ucblocks = cxd2880_read_ucblocks,
+ .get_frontend_algo = cxd2880_get_frontend_algo,
+};
+
+MODULE_DESCRIPTION(
+"Sony CXD2880 DVB-T2/T tuner + demodulator drvier");
+MODULE_AUTHOR("Sony Semiconductor Solutions Corporation");
+MODULE_LICENSE("GPL v2");
--
2.11.0
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