| Message ID | 20191209094332.4047-12-peter.ujfalusi@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dmaengine/soc: Add Texas Instruments UDMA support | expand |
On 09/12/2019 11:43, Peter Ujfalusi wrote: > The system controller's resource manager have support for configuring the > TDTYPE of TCHAN_CFG register on j721e. > With this parameter the teardown completion can be controlled: > TDTYPE == 0: Return without waiting for peer to complete the teardown > TDTYPE == 1: Wait for peer to complete the teardown > > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Hi Peter, You somehow dropped my reviewed by tag from this patch, this appears identical to the v6 one. So, Reviewed-by: Tero Kristo <t-kristo@ti.com> > --- > drivers/firmware/ti_sci.c | 1 + > drivers/firmware/ti_sci.h | 7 +++++++ > include/linux/soc/ti/ti_sci_protocol.h | 2 ++ > 3 files changed, 10 insertions(+) > > diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c > index 4126be9e3216..f13e4a96f3b7 100644 > --- a/drivers/firmware/ti_sci.c > +++ b/drivers/firmware/ti_sci.c > @@ -2412,6 +2412,7 @@ static int ti_sci_cmd_rm_udmap_tx_ch_cfg(const struct ti_sci_handle *handle, > req->fdepth = params->fdepth; > req->tx_sched_priority = params->tx_sched_priority; > req->tx_burst_size = params->tx_burst_size; > + req->tx_tdtype = params->tx_tdtype; > > ret = ti_sci_do_xfer(info, xfer); > if (ret) { > diff --git a/drivers/firmware/ti_sci.h b/drivers/firmware/ti_sci.h > index f0d068c03944..255327171dae 100644 > --- a/drivers/firmware/ti_sci.h > +++ b/drivers/firmware/ti_sci.h > @@ -910,6 +910,7 @@ struct rm_ti_sci_msg_udmap_rx_flow_opt_cfg { > * 12 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::tx_credit_count > * 13 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::fdepth > * 14 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::tx_burst_size > + * 15 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::tx_tdtype > * > * @nav_id: SoC device ID of Navigator Subsystem where tx channel is located > * > @@ -973,6 +974,11 @@ struct rm_ti_sci_msg_udmap_rx_flow_opt_cfg { > * > * @tx_burst_size: UDMAP transmit channel burst size configuration to be > * programmed into the tx_burst_size field of the TCHAN_TCFG register. > + * > + * @tx_tdtype: UDMAP transmit channel teardown type configuration to be > + * programmed into the tdtype field of the TCHAN_TCFG register: > + * 0 - Return immediately > + * 1 - Wait for completion message from remote peer > */ > struct ti_sci_msg_rm_udmap_tx_ch_cfg_req { > struct ti_sci_msg_hdr hdr; > @@ -994,6 +1000,7 @@ struct ti_sci_msg_rm_udmap_tx_ch_cfg_req { > u16 fdepth; > u8 tx_sched_priority; > u8 tx_burst_size; > + u8 tx_tdtype; > } __packed; > > /** > diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h > index 9531ec823298..f3aed0b91564 100644 > --- a/include/linux/soc/ti/ti_sci_protocol.h > +++ b/include/linux/soc/ti/ti_sci_protocol.h > @@ -342,6 +342,7 @@ struct ti_sci_msg_rm_udmap_tx_ch_cfg { > #define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_SUPR_TDPKT_VALID BIT(11) > #define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_CREDIT_COUNT_VALID BIT(12) > #define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_FDEPTH_VALID BIT(13) > +#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_TDTYPE_VALID BIT(15) > u16 nav_id; > u16 index; > u8 tx_pause_on_err; > @@ -359,6 +360,7 @@ struct ti_sci_msg_rm_udmap_tx_ch_cfg { > u16 fdepth; > u8 tx_sched_priority; > u8 tx_burst_size; > + u8 tx_tdtype; > }; > > /** > -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 4126be9e3216..f13e4a96f3b7 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -2412,6 +2412,7 @@ static int ti_sci_cmd_rm_udmap_tx_ch_cfg(const struct ti_sci_handle *handle, req->fdepth = params->fdepth; req->tx_sched_priority = params->tx_sched_priority; req->tx_burst_size = params->tx_burst_size; + req->tx_tdtype = params->tx_tdtype; ret = ti_sci_do_xfer(info, xfer); if (ret) { diff --git a/drivers/firmware/ti_sci.h b/drivers/firmware/ti_sci.h index f0d068c03944..255327171dae 100644 --- a/drivers/firmware/ti_sci.h +++ b/drivers/firmware/ti_sci.h @@ -910,6 +910,7 @@ struct rm_ti_sci_msg_udmap_rx_flow_opt_cfg { * 12 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::tx_credit_count * 13 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::fdepth * 14 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::tx_burst_size + * 15 - Valid bit for @ref ti_sci_msg_rm_udmap_tx_ch_cfg::tx_tdtype * * @nav_id: SoC device ID of Navigator Subsystem where tx channel is located * @@ -973,6 +974,11 @@ struct rm_ti_sci_msg_udmap_rx_flow_opt_cfg { * * @tx_burst_size: UDMAP transmit channel burst size configuration to be * programmed into the tx_burst_size field of the TCHAN_TCFG register. + * + * @tx_tdtype: UDMAP transmit channel teardown type configuration to be + * programmed into the tdtype field of the TCHAN_TCFG register: + * 0 - Return immediately + * 1 - Wait for completion message from remote peer */ struct ti_sci_msg_rm_udmap_tx_ch_cfg_req { struct ti_sci_msg_hdr hdr; @@ -994,6 +1000,7 @@ struct ti_sci_msg_rm_udmap_tx_ch_cfg_req { u16 fdepth; u8 tx_sched_priority; u8 tx_burst_size; + u8 tx_tdtype; } __packed; /** diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h index 9531ec823298..f3aed0b91564 100644 --- a/include/linux/soc/ti/ti_sci_protocol.h +++ b/include/linux/soc/ti/ti_sci_protocol.h @@ -342,6 +342,7 @@ struct ti_sci_msg_rm_udmap_tx_ch_cfg { #define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_SUPR_TDPKT_VALID BIT(11) #define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_CREDIT_COUNT_VALID BIT(12) #define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_FDEPTH_VALID BIT(13) +#define TI_SCI_MSG_VALUE_RM_UDMAP_CH_TX_TDTYPE_VALID BIT(15) u16 nav_id; u16 index; u8 tx_pause_on_err; @@ -359,6 +360,7 @@ struct ti_sci_msg_rm_udmap_tx_ch_cfg { u16 fdepth; u8 tx_sched_priority; u8 tx_burst_size; + u8 tx_tdtype; }; /**
The system controller's resource manager have support for configuring the TDTYPE of TCHAN_CFG register on j721e. With this parameter the teardown completion can be controlled: TDTYPE == 0: Return without waiting for peer to complete the teardown TDTYPE == 1: Wait for peer to complete the teardown Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- drivers/firmware/ti_sci.c | 1 + drivers/firmware/ti_sci.h | 7 +++++++ include/linux/soc/ti/ti_sci_protocol.h | 2 ++ 3 files changed, 10 insertions(+)