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path: root/drivers/gpu/drm/exynos/exynos_drm_fimc.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimc.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimc.c130
1 files changed, 42 insertions, 88 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 61ea24296b5..67a83e69544 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -25,7 +25,7 @@
#include "exynos_drm_fimc.h"
/*
- * FIMC is stand for Fully Interactive Mobile Camera and
+ * FIMC stands for Fully Interactive Mobile Camera and
* supports image scaler/rotator and input/output DMA operations.
* input DMA reads image data from the memory.
* output DMA writes image data to memory.
@@ -163,19 +163,29 @@ struct fimc_context {
bool suspended;
};
-static void fimc_sw_reset(struct fimc_context *ctx, bool pattern)
+static void fimc_sw_reset(struct fimc_context *ctx)
{
u32 cfg;
- DRM_DEBUG_KMS("%s:pattern[%d]\n", __func__, pattern);
+ DRM_DEBUG_KMS("%s\n", __func__);
+
+ /* stop dma operation */
+ cfg = fimc_read(EXYNOS_CISTATUS);
+ if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg)) {
+ cfg = fimc_read(EXYNOS_MSCTRL);
+ cfg &= ~EXYNOS_MSCTRL_ENVID;
+ fimc_write(cfg, EXYNOS_MSCTRL);
+ }
cfg = fimc_read(EXYNOS_CISRCFMT);
cfg |= EXYNOS_CISRCFMT_ITU601_8BIT;
- if (pattern)
- cfg |= EXYNOS_CIGCTRL_TESTPATTERN_COLOR_BAR;
-
fimc_write(cfg, EXYNOS_CISRCFMT);
+ /* disable image capture */
+ cfg = fimc_read(EXYNOS_CIIMGCPT);
+ cfg &= ~(EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
+ fimc_write(cfg, EXYNOS_CIIMGCPT);
+
/* s/w reset */
cfg = fimc_read(EXYNOS_CIGCTRL);
cfg |= (EXYNOS_CIGCTRL_SWRST);
@@ -695,7 +705,7 @@ static int fimc_src_set_addr(struct device *dev,
{
struct fimc_context *ctx = get_fimc_context(dev);
struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+ struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
struct drm_exynos_ipp_property *property;
struct drm_exynos_ipp_config *config;
@@ -705,10 +715,6 @@ static int fimc_src_set_addr(struct device *dev,
}
property = &c_node->property;
- if (!property) {
- DRM_ERROR("failed to get property.\n");
- return -EINVAL;
- }
DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
property->prop_id, buf_id, buf_type);
@@ -1206,7 +1212,7 @@ static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
}
/* sequence id */
- cfg &= (~mask);
+ cfg &= ~mask;
cfg |= (enable << buf_id);
fimc_write(cfg, EXYNOS_CIFCNTSEQ);
@@ -1231,7 +1237,7 @@ static int fimc_dst_set_addr(struct device *dev,
{
struct fimc_context *ctx = get_fimc_context(dev);
struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+ struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
struct drm_exynos_ipp_property *property;
struct drm_exynos_ipp_config *config;
@@ -1241,10 +1247,6 @@ static int fimc_dst_set_addr(struct device *dev,
}
property = &c_node->property;
- if (!property) {
- DRM_ERROR("failed to get property.\n");
- return -EINVAL;
- }
DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
property->prop_id, buf_id, buf_type);
@@ -1317,7 +1319,7 @@ static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
{
struct fimc_context *ctx = dev_id;
struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+ struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
struct drm_exynos_ipp_event_work *event_work =
c_node->event_work;
int buf_id;
@@ -1395,6 +1397,7 @@ static inline bool fimc_check_drm_flip(enum drm_exynos_flip flip)
case EXYNOS_DRM_FLIP_NONE:
case EXYNOS_DRM_FLIP_VERTICAL:
case EXYNOS_DRM_FLIP_HORIZONTAL:
+ case EXYNOS_DRM_FLIP_BOTH:
return true;
default:
DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
@@ -1543,7 +1546,7 @@ static int fimc_ippdrv_reset(struct device *dev)
DRM_DEBUG_KMS("%s\n", __func__);
/* reset h/w block */
- fimc_sw_reset(ctx, false);
+ fimc_sw_reset(ctx);
/* reset scaler capability */
memset(&ctx->sc, 0x0, sizeof(ctx->sc));
@@ -1557,7 +1560,7 @@ static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
{
struct fimc_context *ctx = get_fimc_context(dev);
struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->cmd;
+ struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
struct drm_exynos_ipp_property *property;
struct drm_exynos_ipp_config *config;
struct drm_exynos_pos img_pos[EXYNOS_DRM_OPS_MAX];
@@ -1573,10 +1576,6 @@ static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
}
property = &c_node->property;
- if (!property) {
- DRM_ERROR("failed to get property.\n");
- return -EINVAL;
- }
fimc_handle_irq(ctx, true, false, true);
@@ -1714,7 +1713,7 @@ static void fimc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
fimc_write(cfg, EXYNOS_CIGCTRL);
}
-static int __devinit fimc_probe(struct platform_device *pdev)
+static int fimc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimc_context *ctx;
@@ -1739,93 +1738,64 @@ static int __devinit fimc_probe(struct platform_device *pdev)
platform_get_device_id(pdev)->driver_data;
/* clock control */
- ctx->sclk_fimc_clk = clk_get(dev, "sclk_fimc");
+ ctx->sclk_fimc_clk = devm_clk_get(dev, "sclk_fimc");
if (IS_ERR(ctx->sclk_fimc_clk)) {
dev_err(dev, "failed to get src fimc clock.\n");
- ret = PTR_ERR(ctx->sclk_fimc_clk);
- goto err_ctx;
+ return PTR_ERR(ctx->sclk_fimc_clk);
}
clk_enable(ctx->sclk_fimc_clk);
- ctx->fimc_clk = clk_get(dev, "fimc");
+ ctx->fimc_clk = devm_clk_get(dev, "fimc");
if (IS_ERR(ctx->fimc_clk)) {
dev_err(dev, "failed to get fimc clock.\n");
- ret = PTR_ERR(ctx->fimc_clk);
clk_disable(ctx->sclk_fimc_clk);
- clk_put(ctx->sclk_fimc_clk);
- goto err_ctx;
+ return PTR_ERR(ctx->fimc_clk);
}
- ctx->wb_clk = clk_get(dev, "pxl_async0");
+ ctx->wb_clk = devm_clk_get(dev, "pxl_async0");
if (IS_ERR(ctx->wb_clk)) {
dev_err(dev, "failed to get writeback a clock.\n");
- ret = PTR_ERR(ctx->wb_clk);
clk_disable(ctx->sclk_fimc_clk);
- clk_put(ctx->sclk_fimc_clk);
- clk_put(ctx->fimc_clk);
- goto err_ctx;
+ return PTR_ERR(ctx->wb_clk);
}
- ctx->wb_b_clk = clk_get(dev, "pxl_async1");
+ ctx->wb_b_clk = devm_clk_get(dev, "pxl_async1");
if (IS_ERR(ctx->wb_b_clk)) {
dev_err(dev, "failed to get writeback b clock.\n");
- ret = PTR_ERR(ctx->wb_b_clk);
clk_disable(ctx->sclk_fimc_clk);
- clk_put(ctx->sclk_fimc_clk);
- clk_put(ctx->fimc_clk);
- clk_put(ctx->wb_clk);
- goto err_ctx;
+ return PTR_ERR(ctx->wb_b_clk);
}
- parent_clk = clk_get(dev, ddata->parent_clk);
+ parent_clk = devm_clk_get(dev, ddata->parent_clk);
if (IS_ERR(parent_clk)) {
dev_err(dev, "failed to get parent clock.\n");
- ret = PTR_ERR(parent_clk);
clk_disable(ctx->sclk_fimc_clk);
- clk_put(ctx->sclk_fimc_clk);
- clk_put(ctx->fimc_clk);
- clk_put(ctx->wb_clk);
- clk_put(ctx->wb_b_clk);
- goto err_ctx;
+ return PTR_ERR(parent_clk);
}
if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) {
dev_err(dev, "failed to set parent.\n");
- ret = -EINVAL;
- clk_put(parent_clk);
clk_disable(ctx->sclk_fimc_clk);
- clk_put(ctx->sclk_fimc_clk);
- clk_put(ctx->fimc_clk);
- clk_put(ctx->wb_clk);
- clk_put(ctx->wb_b_clk);
- goto err_ctx;
+ return -EINVAL;
}
- clk_put(parent_clk);
+ devm_clk_put(dev, parent_clk);
clk_set_rate(ctx->sclk_fimc_clk, pdata->clk_rate);
/* resource memory */
ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!ctx->regs_res) {
- dev_err(dev, "failed to find registers.\n");
- ret = -ENOENT;
- goto err_clk;
- }
-
ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res);
if (!ctx->regs) {
dev_err(dev, "failed to map registers.\n");
- ret = -ENXIO;
- goto err_clk;
+ return -ENXIO;
}
/* resource irq */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(dev, "failed to request irq resource.\n");
- ret = -ENOENT;
- goto err_get_regs;
+ return -ENOENT;
}
ctx->irq = res->start;
@@ -1833,7 +1803,7 @@ static int __devinit fimc_probe(struct platform_device *pdev)
IRQF_ONESHOT, "drm_fimc", ctx);
if (ret < 0) {
dev_err(dev, "failed to request irq.\n");
- goto err_get_regs;
+ return ret;
}
/* context initailization */
@@ -1879,19 +1849,11 @@ err_ippdrv_register:
pm_runtime_disable(dev);
err_get_irq:
free_irq(ctx->irq, ctx);
-err_get_regs:
- devm_iounmap(dev, ctx->regs);
-err_clk:
- clk_put(ctx->sclk_fimc_clk);
- clk_put(ctx->fimc_clk);
- clk_put(ctx->wb_clk);
- clk_put(ctx->wb_b_clk);
-err_ctx:
- devm_kfree(dev, ctx);
+
return ret;
}
-static int __devexit fimc_remove(struct platform_device *pdev)
+static int fimc_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimc_context *ctx = get_fimc_context(dev);
@@ -1905,14 +1867,6 @@ static int __devexit fimc_remove(struct platform_device *pdev)
pm_runtime_disable(dev);
free_irq(ctx->irq, ctx);
- devm_iounmap(dev, ctx->regs);
-
- clk_put(ctx->sclk_fimc_clk);
- clk_put(ctx->fimc_clk);
- clk_put(ctx->wb_clk);
- clk_put(ctx->wb_b_clk);
-
- devm_kfree(dev, ctx);
return 0;
}
@@ -1990,7 +1944,7 @@ static const struct dev_pm_ops fimc_pm_ops = {
struct platform_driver fimc_driver = {
.probe = fimc_probe,
- .remove = __devexit_p(fimc_remove),
+ .remove = fimc_remove,
.id_table = fimc_driver_ids,
.driver = {
.name = "exynos-drm-fimc",
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 05:15:08 +0000