diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-06-18 12:39:44 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-12-07 15:53:34 +0100 |
| commit | ae502e08f45e47460406ab5c5fd2167a1011499a (patch) | |
| tree | 8b743d89ffc86319778debce13e8b8db9765eea9 /drivers/media/i2c/ccs | |
| parent | 585e17c98407e1c2ec7735f37379e96cf0f74e3a (diff) | |
media: ccs-pll: Add support for decoupled OP domain calculation
Add support for decoupled OP domain clock calculation. This means that the
number of VT and OP domain clocks are no longer dependent on the number of
CSI-2 lanes in the lane speed mode.
The support also replaces the existing quirk flag to calculate OP domain
clocks per lane.
Also support decoupled OP domain calculation in the CCS driver.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c/ccs')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-core.c | 14 | ||||
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-quirk.c | 5 |
2 files changed, 15 insertions, 4 deletions
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index a0d73e0fa31a..855e51675864 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -3206,10 +3206,18 @@ static int ccs_probe(struct i2c_client *client) sensor->pll.csi2.lanes = sensor->hwcfg.lanes; if (CCS_LIM(sensor, CLOCK_CALCULATION) & CCS_CLOCK_CALCULATION_LANE_SPEED) { - sensor->pll.vt_lanes = - CCS_LIM(sensor, NUM_OF_VT_LANES) + 1; - sensor->pll.op_lanes = sensor->pll.vt_lanes; sensor->pll.flags |= CCS_PLL_FLAG_LANE_SPEED_MODEL; + if (CCS_LIM(sensor, CLOCK_CALCULATION) & + CCS_CLOCK_CALCULATION_LINK_DECOUPLED) { + sensor->pll.vt_lanes = + CCS_LIM(sensor, NUM_OF_VT_LANES) + 1; + sensor->pll.op_lanes = + CCS_LIM(sensor, NUM_OF_OP_LANES) + 1; + sensor->pll.flags |= CCS_PLL_FLAG_LINK_DECOUPLED; + } else { + sensor->pll.vt_lanes = sensor->pll.csi2.lanes; + sensor->pll.op_lanes = sensor->pll.csi2.lanes; + } } sensor->pll.ext_clk_freq_hz = sensor->hwcfg.ext_clk; sensor->pll.scale_n = CCS_LIM(sensor, SCALER_N_MIN); diff --git a/drivers/media/i2c/ccs/ccs-quirk.c b/drivers/media/i2c/ccs/ccs-quirk.c index 4fe8c6f70579..e3d4c7a275bc 100644 --- a/drivers/media/i2c/ccs/ccs-quirk.c +++ b/drivers/media/i2c/ccs/ccs-quirk.c @@ -190,7 +190,10 @@ static int jt8ev1_post_streamoff(struct ccs_sensor *sensor) static int jt8ev1_init(struct ccs_sensor *sensor) { - sensor->pll.flags |= CCS_PLL_FLAG_OP_PIX_CLOCK_PER_LANE; + sensor->pll.flags |= CCS_PLL_FLAG_LANE_SPEED_MODEL | + CCS_PLL_FLAG_LINK_DECOUPLED; + sensor->pll.vt_lanes = 1; + sensor->pll.op_lanes = sensor->pll.csi2.lanes; return 0; } |