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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2019-09-06 11:32:15 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2019-11-01 14:32:00 +0300 |
| commit | 98176380cbe5e7747ccd82ed982ce5dfd5cc8b65 (patch) | |
| tree | 84d88301a6265a0d55e4d9e8e873f270f442e2e2 /drivers/thunderbolt/switch.c | |
| parent | 778bfca3d14aa93d1e3062835061401b08c258f7 (diff) | |
| download | lwn-98176380cbe5e7747ccd82ed982ce5dfd5cc8b65.tar.gz lwn-98176380cbe5e7747ccd82ed982ce5dfd5cc8b65.zip | |
thunderbolt: Convert DP adapter register names to follow the USB4 spec
Now that USB4 spec has names for these DP adapter registers we can use
them instead. This makes it easier to match certain register to the spec.
No functional changes.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/switch.c')
| -rw-r--r-- | drivers/thunderbolt/switch.c | 50 |
1 files changed, 28 insertions, 22 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 7d05c858423b..c6bfdcaf7973 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -835,11 +835,12 @@ int tb_dp_port_hpd_is_active(struct tb_port *port) u32 data; int ret; - ret = tb_port_read(port, &data, TB_CFG_PORT, port->cap_adap + 2, 1); + ret = tb_port_read(port, &data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_2, 1); if (ret) return ret; - return !!(data & TB_DP_HDP); + return !!(data & ADP_DP_CS_2_HDP); } /** @@ -853,12 +854,14 @@ int tb_dp_port_hpd_clear(struct tb_port *port) u32 data; int ret; - ret = tb_port_read(port, &data, TB_CFG_PORT, port->cap_adap + 3, 1); + ret = tb_port_read(port, &data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_3, 1); if (ret) return ret; - data |= TB_DP_HPDC; - return tb_port_write(port, &data, TB_CFG_PORT, port->cap_adap + 3, 1); + data |= ADP_DP_CS_3_HDPC; + return tb_port_write(port, &data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_3, 1); } /** @@ -876,20 +879,23 @@ int tb_dp_port_set_hops(struct tb_port *port, unsigned int video, u32 data[2]; int ret; - ret = tb_port_read(port, data, TB_CFG_PORT, port->cap_adap, - ARRAY_SIZE(data)); + ret = tb_port_read(port, data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_0, ARRAY_SIZE(data)); if (ret) return ret; - data[0] &= ~TB_DP_VIDEO_HOPID_MASK; - data[1] &= ~(TB_DP_AUX_RX_HOPID_MASK | TB_DP_AUX_TX_HOPID_MASK); + data[0] &= ~ADP_DP_CS_0_VIDEO_HOPID_MASK; + data[1] &= ~ADP_DP_CS_1_AUX_RX_HOPID_MASK; + data[1] &= ~ADP_DP_CS_1_AUX_RX_HOPID_MASK; - data[0] |= (video << TB_DP_VIDEO_HOPID_SHIFT) & TB_DP_VIDEO_HOPID_MASK; - data[1] |= aux_tx & TB_DP_AUX_TX_HOPID_MASK; - data[1] |= (aux_rx << TB_DP_AUX_RX_HOPID_SHIFT) & TB_DP_AUX_RX_HOPID_MASK; + data[0] |= (video << ADP_DP_CS_0_VIDEO_HOPID_SHIFT) & + ADP_DP_CS_0_VIDEO_HOPID_MASK; + data[1] |= aux_tx & ADP_DP_CS_1_AUX_TX_HOPID_MASK; + data[1] |= (aux_rx << ADP_DP_CS_1_AUX_RX_HOPID_SHIFT) & + ADP_DP_CS_1_AUX_RX_HOPID_MASK; - return tb_port_write(port, data, TB_CFG_PORT, port->cap_adap, - ARRAY_SIZE(data)); + return tb_port_write(port, data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_0, ARRAY_SIZE(data)); } /** @@ -900,11 +906,11 @@ bool tb_dp_port_is_enabled(struct tb_port *port) { u32 data[2]; - if (tb_port_read(port, data, TB_CFG_PORT, port->cap_adap, + if (tb_port_read(port, data, TB_CFG_PORT, port->cap_adap + ADP_DP_CS_0, ARRAY_SIZE(data))) return false; - return !!(data[0] & (TB_DP_VIDEO_EN | TB_DP_AUX_EN)); + return !!(data[0] & (ADP_DP_CS_0_VE | ADP_DP_CS_0_AE)); } /** @@ -920,18 +926,18 @@ int tb_dp_port_enable(struct tb_port *port, bool enable) u32 data[2]; int ret; - ret = tb_port_read(port, data, TB_CFG_PORT, port->cap_adap, - ARRAY_SIZE(data)); + ret = tb_port_read(port, data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_0, ARRAY_SIZE(data)); if (ret) return ret; if (enable) - data[0] |= TB_DP_VIDEO_EN | TB_DP_AUX_EN; + data[0] |= ADP_DP_CS_0_VE | ADP_DP_CS_0_AE; else - data[0] &= ~(TB_DP_VIDEO_EN | TB_DP_AUX_EN); + data[0] &= ~(ADP_DP_CS_0_VE | ADP_DP_CS_0_AE); - return tb_port_write(port, data, TB_CFG_PORT, port->cap_adap, - ARRAY_SIZE(data)); + return tb_port_write(port, data, TB_CFG_PORT, + port->cap_adap + ADP_DP_CS_0, ARRAY_SIZE(data)); } /* switch utility functions */ |