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-rw-r--r--drivers/media/platform/ti-vpe/Makefile2
-rw-r--r--drivers/media/platform/ti-vpe/csc.c76
-rw-r--r--drivers/media/platform/ti-vpe/csc.h65
-rw-r--r--drivers/media/platform/ti-vpe/vpe.c31
-rw-r--r--drivers/media/platform/ti-vpe/vpe_regs.h38
5 files changed, 155 insertions, 57 deletions
diff --git a/drivers/media/platform/ti-vpe/Makefile b/drivers/media/platform/ti-vpe/Makefile
index 54c30b31c4cb..be680f839e77 100644
--- a/drivers/media/platform/ti-vpe/Makefile
+++ b/drivers/media/platform/ti-vpe/Makefile
@@ -1,5 +1,5 @@
obj-$(CONFIG_VIDEO_TI_VPE) += ti-vpe.o
-ti-vpe-y := vpe.o sc.o vpdma.o
+ti-vpe-y := vpe.o sc.o csc.o vpdma.o
ccflags-$(CONFIG_VIDEO_TI_VPE_DEBUG) += -DDEBUG
diff --git a/drivers/media/platform/ti-vpe/csc.c b/drivers/media/platform/ti-vpe/csc.c
new file mode 100644
index 000000000000..62e2fecd1798
--- /dev/null
+++ b/drivers/media/platform/ti-vpe/csc.c
@@ -0,0 +1,76 @@
+/*
+ * Color space converter library
+ *
+ * Copyright (c) 2013 Texas Instruments Inc.
+ *
+ * David Griego, <dagriego@biglakesoftware.com>
+ * Dale Farnsworth, <dale@farnsworth.org>
+ * Archit Taneja, <archit@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include "csc.h"
+
+void csc_dump_regs(struct csc_data *csc)
+{
+ struct device *dev = &csc->pdev->dev;
+
+ u32 read_reg(struct csc_data *csc, int offset)
+ {
+ return ioread32(csc->base + offset);
+ }
+
+#define DUMPREG(r) dev_dbg(dev, "%-35s %08x\n", #r, read_reg(csc, CSC_##r))
+
+ DUMPREG(CSC00);
+ DUMPREG(CSC01);
+ DUMPREG(CSC02);
+ DUMPREG(CSC03);
+ DUMPREG(CSC04);
+ DUMPREG(CSC05);
+
+#undef DUMPREG
+}
+
+void csc_set_coeff_bypass(struct csc_data *csc, u32 *csc_reg5)
+{
+ *csc_reg5 |= CSC_BYPASS;
+}
+
+struct csc_data *csc_create(struct platform_device *pdev)
+{
+ struct csc_data *csc;
+
+ dev_dbg(&pdev->dev, "csc_create\n");
+
+ csc = devm_kzalloc(&pdev->dev, sizeof(*csc), GFP_KERNEL);
+ if (!csc) {
+ dev_err(&pdev->dev, "couldn't alloc csc_data\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ csc->pdev = pdev;
+
+ csc->res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "vpe_csc");
+ if (csc->res == NULL) {
+ dev_err(&pdev->dev, "missing platform resources data\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ csc->base = devm_ioremap_resource(&pdev->dev, csc->res);
+ if (!csc->base) {
+ dev_err(&pdev->dev, "failed to ioremap\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ return csc;
+}
diff --git a/drivers/media/platform/ti-vpe/csc.h b/drivers/media/platform/ti-vpe/csc.h
new file mode 100644
index 000000000000..57b5ed600394
--- /dev/null
+++ b/drivers/media/platform/ti-vpe/csc.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013 Texas Instruments Inc.
+ *
+ * David Griego, <dagriego@biglakesoftware.com>
+ * Dale Farnsworth, <dale@farnsworth.org>
+ * Archit Taneja, <archit@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#ifndef TI_CSC_H
+#define TI_CSC_H
+
+/* VPE color space converter regs */
+#define CSC_CSC00 0x00
+#define CSC_A0_MASK 0x1fff
+#define CSC_A0_SHIFT 0
+#define CSC_B0_MASK 0x1fff
+#define CSC_B0_SHIFT 16
+
+#define CSC_CSC01 0x04
+#define CSC_C0_MASK 0x1fff
+#define CSC_C0_SHIFT 0
+#define CSC_A1_MASK 0x1fff
+#define CSC_A1_SHIFT 16
+
+#define CSC_CSC02 0x08
+#define CSC_B1_MASK 0x1fff
+#define CSC_B1_SHIFT 0
+#define CSC_C1_MASK 0x1fff
+#define CSC_C1_SHIFT 16
+
+#define CSC_CSC03 0x0c
+#define CSC_A2_MASK 0x1fff
+#define CSC_A2_SHIFT 0
+#define CSC_B2_MASK 0x1fff
+#define CSC_B2_SHIFT 16
+
+#define CSC_CSC04 0x10
+#define CSC_C2_MASK 0x1fff
+#define CSC_C2_SHIFT 0
+#define CSC_D0_MASK 0x0fff
+#define CSC_D0_SHIFT 16
+
+#define CSC_CSC05 0x14
+#define CSC_D1_MASK 0x0fff
+#define CSC_D1_SHIFT 0
+#define CSC_D2_MASK 0x0fff
+#define CSC_D2_SHIFT 16
+
+#define CSC_BYPASS (1 << 28)
+
+struct csc_data {
+ void __iomem *base;
+ struct resource *res;
+
+ struct platform_device *pdev;
+};
+
+void csc_dump_regs(struct csc_data *csc);
+void csc_set_coeff_bypass(struct csc_data *csc, u32 *csc_reg5);
+struct csc_data *csc_create(struct platform_device *pdev);
+
+#endif
diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index dc2b94cb2640..6c4db57fc0c9 100644
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -44,6 +44,7 @@
#include "vpdma.h"
#include "vpe_regs.h"
#include "sc.h"
+#include "csc.h"
#define VPE_MODULE_NAME "vpe"
@@ -330,6 +331,7 @@ struct vpe_dev {
struct vb2_alloc_ctx *alloc_ctx;
struct vpdma_data *vpdma; /* vpdma data handle */
struct sc_data *sc; /* scaler data handle */
+ struct csc_data *csc; /* csc data handle */
};
/*
@@ -475,7 +477,8 @@ static void init_adb_hdrs(struct vpe_ctx *ctx)
GET_OFFSET_TOP(ctx, ctx->dev->sc, CFG_SC8));
VPE_SET_MMR_ADB_HDR(ctx, sc_hdr17, sc_regs17,
GET_OFFSET_TOP(ctx, ctx->dev->sc, CFG_SC17));
- VPE_SET_MMR_ADB_HDR(ctx, csc_hdr, csc_regs, VPE_CSC_CSC00);
+ VPE_SET_MMR_ADB_HDR(ctx, csc_hdr, csc_regs,
+ GET_OFFSET_TOP(ctx, ctx->dev->csc, CSC_CSC00));
};
/*
@@ -758,16 +761,6 @@ static void set_dei_shadow_registers(struct vpe_ctx *ctx)
ctx->load_mmrs = true;
}
-static void set_csc_coeff_bypass(struct vpe_ctx *ctx)
-{
- struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr;
- u32 *shadow_csc_reg5 = &mmr_adb->csc_regs[5];
-
- *shadow_csc_reg5 |= VPE_CSC_BYPASS;
-
- ctx->load_mmrs = true;
-}
-
/*
* Set the shadow registers whose values are modified when either the
* source or destination format is changed.
@@ -819,7 +812,8 @@ static int set_srcdst_params(struct vpe_ctx *ctx)
set_cfg_and_line_modes(ctx);
set_dei_regs(ctx);
- set_csc_coeff_bypass(ctx);
+
+ csc_set_coeff_bypass(ctx->dev->csc, &mmr_adb->csc_regs[5]);
sc_set_hs_coeffs(ctx->dev->sc, ctx->sc_coeff_h.addr, src_w, dst_w);
sc_set_vs_coeffs(ctx->dev->sc, ctx->sc_coeff_v.addr, src_h, dst_h);
@@ -942,15 +936,10 @@ static void vpe_dump_regs(struct vpe_dev *dev)
DUMPREG(DEI_FMD_STATUS_R0);
DUMPREG(DEI_FMD_STATUS_R1);
DUMPREG(DEI_FMD_STATUS_R2);
- DUMPREG(CSC_CSC00);
- DUMPREG(CSC_CSC01);
- DUMPREG(CSC_CSC02);
- DUMPREG(CSC_CSC03);
- DUMPREG(CSC_CSC04);
- DUMPREG(CSC_CSC05);
#undef DUMPREG
sc_dump_regs(dev->sc);
+ csc_dump_regs(dev->csc);
}
static void add_out_dtd(struct vpe_ctx *ctx, int port)
@@ -2074,6 +2063,12 @@ static int vpe_probe(struct platform_device *pdev)
goto runtime_put;
}
+ dev->csc = csc_create(pdev);
+ if (IS_ERR(dev->csc)) {
+ ret = PTR_ERR(dev->csc);
+ goto runtime_put;
+ }
+
dev->vpdma = vpdma_create(pdev);
if (IS_ERR(dev->vpdma)) {
ret = PTR_ERR(dev->vpdma);
diff --git a/drivers/media/platform/ti-vpe/vpe_regs.h b/drivers/media/platform/ti-vpe/vpe_regs.h
index d8dbdd375a7d..74283d79eae1 100644
--- a/drivers/media/platform/ti-vpe/vpe_regs.h
+++ b/drivers/media/platform/ti-vpe/vpe_regs.h
@@ -306,42 +306,4 @@
#define VPE_FMD_FRAME_DIFF_MASK 0x000fffff
#define VPE_FMD_FRAME_DIFF_SHIFT 0
-/* VPE color space converter regs */
-#define VPE_CSC_CSC00 0x5700
-#define VPE_CSC_A0_MASK 0x1fff
-#define VPE_CSC_A0_SHIFT 0
-#define VPE_CSC_B0_MASK 0x1fff
-#define VPE_CSC_B0_SHIFT 16
-
-#define VPE_CSC_CSC01 0x5704
-#define VPE_CSC_C0_MASK 0x1fff
-#define VPE_CSC_C0_SHIFT 0
-#define VPE_CSC_A1_MASK 0x1fff
-#define VPE_CSC_A1_SHIFT 16
-
-#define VPE_CSC_CSC02 0x5708
-#define VPE_CSC_B1_MASK 0x1fff
-#define VPE_CSC_B1_SHIFT 0
-#define VPE_CSC_C1_MASK 0x1fff
-#define VPE_CSC_C1_SHIFT 16
-
-#define VPE_CSC_CSC03 0x570c
-#define VPE_CSC_A2_MASK 0x1fff
-#define VPE_CSC_A2_SHIFT 0
-#define VPE_CSC_B2_MASK 0x1fff
-#define VPE_CSC_B2_SHIFT 16
-
-#define VPE_CSC_CSC04 0x5710
-#define VPE_CSC_C2_MASK 0x1fff
-#define VPE_CSC_C2_SHIFT 0
-#define VPE_CSC_D0_MASK 0x0fff
-#define VPE_CSC_D0_SHIFT 16
-
-#define VPE_CSC_CSC05 0x5714
-#define VPE_CSC_D1_MASK 0x0fff
-#define VPE_CSC_D1_SHIFT 0
-#define VPE_CSC_D2_MASK 0x0fff
-#define VPE_CSC_D2_SHIFT 16
-#define VPE_CSC_BYPASS (1 << 28)
-
#endif