diff options
| author | Todor Tomov <todor.tomov@linaro.org> | 2018-07-25 19:38:29 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-02 13:25:02 +0300 |
| commit | 369f81f350b5c03599d8f82e31f9a916d7bfe80a (patch) | |
| tree | 4d6832ef1878092f5006bda5fba12ad1fec1b149 /drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c | |
| parent | 516e8f0f8912b3779e4259c824953a23c4108fe8 (diff) | |
| download | linux-369f81f350b5c03599d8f82e31f9a916d7bfe80a.tar.xz | |
media: camss: csiphy: Unify lane handling
Restructure lane configuration so it is simpler and will allow
similar (although not the same) handling for different hardware
versions.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c index 5485d1fd31d7..c832539397d7 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c @@ -86,7 +86,7 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, { struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg; u8 settle_cnt; - u8 val; + u8 val, l = 0; int i = 0; settle_cnt = csiphy_settle_cnt_calc(pixel_clock, bpp, c->num_data, @@ -104,34 +104,38 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, val = cfg->combo_mode << 4; writel_relaxed(val, csiphy->base + CAMSS_CSI_PHY_GLBL_RESET); - while (lane_mask) { - if (lane_mask & 0x1) { - writel_relaxed(0x10, csiphy->base + - CAMSS_CSI_PHY_LNn_CFG2(i)); - writel_relaxed(settle_cnt, csiphy->base + - CAMSS_CSI_PHY_LNn_CFG3(i)); - writel_relaxed(0x3f, csiphy->base + - CAMSS_CSI_PHY_INTERRUPT_MASKn(i)); - writel_relaxed(0x3f, csiphy->base + - CAMSS_CSI_PHY_INTERRUPT_CLEARn(i)); - } - - lane_mask >>= 1; - i++; + for (i = 0; i <= c->num_data; i++) { + if (i == c->num_data) + l = c->clk.pos; + else + l = c->data[i].pos; + + writel_relaxed(0x10, csiphy->base + + CAMSS_CSI_PHY_LNn_CFG2(l)); + writel_relaxed(settle_cnt, csiphy->base + + CAMSS_CSI_PHY_LNn_CFG3(l)); + writel_relaxed(0x3f, csiphy->base + + CAMSS_CSI_PHY_INTERRUPT_MASKn(l)); + writel_relaxed(0x3f, csiphy->base + + CAMSS_CSI_PHY_INTERRUPT_CLEARn(l)); } } -static void csiphy_lanes_disable(struct csiphy_device *csiphy, u8 lane_mask) +static void csiphy_lanes_disable(struct csiphy_device *csiphy, + struct csiphy_config *cfg) { + struct csiphy_lanes_cfg *c = &cfg->csi2->lane_cfg; + u8 l = 0; int i = 0; - while (lane_mask) { - if (lane_mask & 0x1) - writel_relaxed(0x0, csiphy->base + - CAMSS_CSI_PHY_LNn_CFG2(i)); + for (i = 0; i <= c->num_data; i++) { + if (i == c->num_data) + l = c->clk.pos; + else + l = c->data[i].pos; - lane_mask >>= 1; - i++; + writel_relaxed(0x0, csiphy->base + + CAMSS_CSI_PHY_LNn_CFG2(l)); } writel_relaxed(0x0, csiphy->base + CAMSS_CSI_PHY_GLBL_PWR_CFG); |