| Message ID | 20230726150225.483464-14-herve.codina@bootlin.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add support for QMC HDLC, framer infrastruture and PEF2256 framer | expand |
Le 26/07/2023 à 17:02, Herve Codina a écrit : > In order to allow runtime timeslot route changes, disabling channel TSA > entries needs to be supported. > > Add support for this new feature. > > Signed-off-by: Herve Codina <herve.codina@bootlin.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > drivers/soc/fsl/qe/qmc.c | 20 +++++++++++--------- > 1 file changed, 11 insertions(+), 9 deletions(-) > > diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c > index 82405915f2a4..146eebc12737 100644 > --- a/drivers/soc/fsl/qe/qmc.c > +++ b/drivers/soc/fsl/qe/qmc.c > @@ -567,7 +567,8 @@ static void qmc_chan_read_done(struct qmc_chan *chan) > spin_unlock_irqrestore(&chan->rx_lock, flags); > } > > -static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_serial_info *info) > +static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_serial_info *info, > + bool enable) > { > unsigned int i; > u16 curr; > @@ -603,13 +604,14 @@ static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_ser > continue; > > qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2), > - ~QMC_TSA_WRAP, val); > + ~QMC_TSA_WRAP, enable ? val : 0x0000); > } > > return 0; > } > > -static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_serial_info *info) > +static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_serial_info *info, > + bool enable) > { > unsigned int i; > u16 curr; > @@ -650,7 +652,7 @@ static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_ > continue; > > qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2), > - ~QMC_TSA_WRAP, val); > + ~QMC_TSA_WRAP, enable ? val : 0x0000); > } > /* Set entries based on Tx stuff */ > for (i = 0; i < info->nb_tx_ts; i++) { > @@ -658,13 +660,13 @@ static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_ > continue; > > qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATTX + (i * 2), > - ~QMC_TSA_WRAP, val); > + ~QMC_TSA_WRAP, enable ? val : 0x0000); > } > > return 0; > } > > -static int qmc_chan_setup_tsa(struct qmc_chan *chan) > +static int qmc_chan_setup_tsa(struct qmc_chan *chan, bool enable) > { > struct tsa_serial_info info; > int ret; > @@ -679,8 +681,8 @@ static int qmc_chan_setup_tsa(struct qmc_chan *chan) > * and one for Tx) according to assigned TS numbers. > */ > return ((info.nb_tx_ts > 32) || (info.nb_rx_ts > 32)) ? > - qmc_chan_setup_tsa_64rxtx(chan, &info) : > - qmc_chan_setup_tsa_32rx_32tx(chan, &info); > + qmc_chan_setup_tsa_64rxtx(chan, &info, enable) : > + qmc_chan_setup_tsa_32rx_32tx(chan, &info, enable); > } > > static int qmc_chan_command(struct qmc_chan *chan, u8 qmc_opcode) > @@ -1146,7 +1148,7 @@ static int qmc_setup_chan(struct qmc *qmc, struct qmc_chan *chan) > > chan->qmc = qmc; > > - ret = qmc_chan_setup_tsa(chan); > + ret = qmc_chan_setup_tsa(chan, true); > if (ret) > return ret; >
diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index 82405915f2a4..146eebc12737 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -567,7 +567,8 @@ static void qmc_chan_read_done(struct qmc_chan *chan) spin_unlock_irqrestore(&chan->rx_lock, flags); } -static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_serial_info *info) +static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_serial_info *info, + bool enable) { unsigned int i; u16 curr; @@ -603,13 +604,14 @@ static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_ser continue; qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2), - ~QMC_TSA_WRAP, val); + ~QMC_TSA_WRAP, enable ? val : 0x0000); } return 0; } -static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_serial_info *info) +static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_serial_info *info, + bool enable) { unsigned int i; u16 curr; @@ -650,7 +652,7 @@ static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_ continue; qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2), - ~QMC_TSA_WRAP, val); + ~QMC_TSA_WRAP, enable ? val : 0x0000); } /* Set entries based on Tx stuff */ for (i = 0; i < info->nb_tx_ts; i++) { @@ -658,13 +660,13 @@ static int qmc_chan_setup_tsa_32rx_32tx(struct qmc_chan *chan, const struct tsa_ continue; qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATTX + (i * 2), - ~QMC_TSA_WRAP, val); + ~QMC_TSA_WRAP, enable ? val : 0x0000); } return 0; } -static int qmc_chan_setup_tsa(struct qmc_chan *chan) +static int qmc_chan_setup_tsa(struct qmc_chan *chan, bool enable) { struct tsa_serial_info info; int ret; @@ -679,8 +681,8 @@ static int qmc_chan_setup_tsa(struct qmc_chan *chan) * and one for Tx) according to assigned TS numbers. */ return ((info.nb_tx_ts > 32) || (info.nb_rx_ts > 32)) ? - qmc_chan_setup_tsa_64rxtx(chan, &info) : - qmc_chan_setup_tsa_32rx_32tx(chan, &info); + qmc_chan_setup_tsa_64rxtx(chan, &info, enable) : + qmc_chan_setup_tsa_32rx_32tx(chan, &info, enable); } static int qmc_chan_command(struct qmc_chan *chan, u8 qmc_opcode) @@ -1146,7 +1148,7 @@ static int qmc_setup_chan(struct qmc *qmc, struct qmc_chan *chan) chan->qmc = qmc; - ret = qmc_chan_setup_tsa(chan); + ret = qmc_chan_setup_tsa(chan, true); if (ret) return ret;
In order to allow runtime timeslot route changes, disabling channel TSA entries needs to be supported. Add support for this new feature. Signed-off-by: Herve Codina <herve.codina@bootlin.com> --- drivers/soc/fsl/qe/qmc.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-)