[PATCH v2 04/13] gpu: ipu-v3: Add ipu_get_num()
From: Steve Longerbeam <slongerbeam@gmail.com>
Date: 2016-07-20 01:11:36
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers for freescale imx 5/6, framebuffer layer, the rest · Maintainers:
David Airlie, Simona Vetter, Philipp Zabel, Helge Deller, Linus Torvalds
Adds of-alias id to ipu_soc and retrieve with ipu_get_num(). Signed-off-by: Steve Longerbeam <redacted> --- drivers/gpu/ipu-v3/ipu-common.c | 8 ++++++++ drivers/gpu/ipu-v3/ipu-prv.h | 1 + include/video/imx-ipu-v3.h | 1 + 3 files changed, 10 insertions(+)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 30dc115..49af121 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c@@ -45,6 +45,12 @@ static inline void ipu_cm_write(struct ipu_soc *ipu, u32 value, unsigned offset) writel(value, ipu->cm_reg + offset); } +int ipu_get_num(struct ipu_soc *ipu) +{ + return ipu->id; +} +EXPORT_SYMBOL_GPL(ipu_get_num); + void ipu_srm_dp_sync_update(struct ipu_soc *ipu) { u32 val;
@@ -1220,6 +1226,7 @@ static int ipu_probe(struct platform_device *pdev) { const struct of_device_id *of_id of_match_device(imx_ipu_dt_ids, &pdev->dev); + struct device_node *np = pdev->dev.of_node; struct ipu_soc *ipu; struct resource *res; unsigned long ipu_base;
@@ -1248,6 +1255,7 @@ static int ipu_probe(struct platform_device *pdev) ipu->channel[i].ipu = ipu; ipu->devtype = devtype; ipu->ipu_type = devtype->type; + ipu->id = of_alias_get_id(np, "ipu"); spin_lock_init(&ipu->lock); mutex_init(&ipu->channel_lock);
diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
index 845f64c..02057d8 100644
--- a/drivers/gpu/ipu-v3/ipu-prv.h
+++ b/drivers/gpu/ipu-v3/ipu-prv.h@@ -153,6 +153,7 @@ struct ipu_soc { void __iomem *cm_reg; void __iomem *idmac_reg; + int id; int usecount; struct clk *clk;
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 5d59739..8a6ccaa 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h@@ -148,6 +148,7 @@ int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, /* * IPU Common functions */ +int ipu_get_num(struct ipu_soc *ipu); void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2); void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi); void ipu_dump(struct ipu_soc *ipu);
--
1.9.1