diff options
| author | Grigor Tovmasyan <Grigor.Tovmasyan@synopsys.com> | 2018-05-05 11:17:58 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-05-15 10:16:47 +0300 |
| commit | b43ebc96e985fed9417c6aff769a6839bdaa6cdf (patch) | |
| tree | 5b2c05b2f796e8ff680d440f9935e525d890d34c /drivers/usb/dwc2/params.c | |
| parent | 37981e00503f6bdeb99108ff90199002c3eec2f5 (diff) | |
| download | linux-b43ebc96e985fed9417c6aff769a6839bdaa6cdf.tar.xz | |
usb: dwc2: Add Interpacket Gap(IPG) feature support
Added GHWCFG4_IPG_ISOC_SUPPORTED and DCFG_IPG_ISOC_SUPPORDED
bits definitions to enable/disable IPG feature.
Added ipg_isoc_en core parameter which will indicate IPG support
enable/disable and initialize it.
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2/params.c')
| -rw-r--r-- | drivers/usb/dwc2/params.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index f03e41879224..2700f5279285 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -298,6 +298,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg) p->besl = true; p->hird_threshold_en = true; p->hird_threshold = 4; + p->ipg_isoc_en = false; p->max_packet_count = hw->max_packet_count; p->max_transfer_size = hw->max_transfer_size; p->ahbcfg = GAHBCFG_HBSTLEN_INCR << GAHBCFG_HBSTLEN_SHIFT; @@ -579,6 +580,7 @@ static void dwc2_check_params(struct dwc2_hsotg *hsotg) CHECK_BOOL(enable_dynamic_fifo, hw->enable_dynamic_fifo); CHECK_BOOL(en_multiple_tx_fifo, hw->en_multiple_tx_fifo); CHECK_BOOL(i2c_enable, hw->i2c_enable); + CHECK_BOOL(ipg_isoc_en, hw->ipg_isoc_en); CHECK_BOOL(acg_enable, hw->acg_enable); CHECK_BOOL(reload_ctl, (hsotg->hw_params.snpsid > DWC2_CORE_REV_2_92a)); CHECK_BOOL(lpm, (hsotg->hw_params.snpsid >= DWC2_CORE_REV_2_80a)); @@ -772,6 +774,7 @@ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg) hw->utmi_phy_data_width = (hwcfg4 & GHWCFG4_UTMI_PHY_DATA_WIDTH_MASK) >> GHWCFG4_UTMI_PHY_DATA_WIDTH_SHIFT; hw->acg_enable = !!(hwcfg4 & GHWCFG4_ACG_SUPPORTED); + hw->ipg_isoc_en = !!(hwcfg4 & GHWCFG4_IPG_ISOC_SUPPORTED); /* fifo sizes */ hw->rx_fifo_size = (grxfsiz & GRXFSIZ_DEPTH_MASK) >> |