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drm/exynos: rotator: Convert driver to IPP v2 core API

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This patch adapts Exynos DRM rotator driver to new IPP v2 core API.
The side effect of this conversion is a switch to driver component API
to register properly in the Exynos DRM core.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Marek Szyprowski 2018-05-09 10:59:23 +02:00 committed by Inki Dae
parent 9913f74fe1
commit d8cb9eeaa7
3 changed files with 197 additions and 578 deletions
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2
drivers/gpu/drm/exynos/Kconfig
View File

@ -106,7 +106,7 @@ config DRM_EXYNOS_FIMC
config DRM_EXYNOS_ROTATOR
bool "Rotator"
depends on BROKEN
select DRM_EXYNOS_IPP
help
Choose this option if you want to use Exynos Rotator for DRM.

1
drivers/gpu/drm/exynos/exynos_drm_drv.c
View File

@ -263,6 +263,7 @@ static struct exynos_drm_driver_info exynos_drm_drivers[] = {
DRV_PTR(fimc_driver, CONFIG_DRM_EXYNOS_FIMC),
}, {
DRV_PTR(rotator_driver, CONFIG_DRM_EXYNOS_ROTATOR),
DRM_COMPONENT_DRIVER
}, {
DRV_PTR(gsc_driver, CONFIG_DRM_EXYNOS_GSC),
}, {

772
drivers/gpu/drm/exynos/exynos_drm_rotator.c
View File

@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/component.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@ -22,29 +23,18 @@
#include <drm/exynos_drm.h>
#include "regs-rotator.h"
#include "exynos_drm_drv.h"
#include "exynos_drm_iommu.h"
#include "exynos_drm_ipp.h"
/*
* Rotator supports image crop/rotator and input/output DMA operations.
* input DMA reads image data from the memory.
* output DMA writes image data to memory.
*
* M2M operation : supports crop/scale/rotation/csc so on.
* Memory ----> Rotator H/W ----> Memory.
*/
/*
* TODO
* 1. check suspend/resume api if needed.
* 2. need to check use case platform_device_id.
* 3. check src/dst size with, height.
* 4. need to add supported list in prop_list.
*/
#define ROTATOR_AUTOSUSPEND_DELAY 2000
#define get_rot_context(dev) platform_get_drvdata(to_platform_device(dev))
#define get_ctx_from_ippdrv(ippdrv) container_of(ippdrv,\
struct rot_context, ippdrv);
#define rot_read(offset) readl(rot->regs + (offset))
#define rot_read(offset) readl(rot->regs + (offset))
#define rot_write(cfg, offset) writel(cfg, rot->regs + (offset))
enum rot_irq_status {
@ -52,54 +42,28 @@ enum rot_irq_status {
ROT_IRQ_STATUS_ILLEGAL = 9,
};
/*
* A structure of limitation.
*
* @min_w: minimum width.
* @min_h: minimum height.
* @max_w: maximum width.
* @max_h: maximum height.
* @align: align size.
*/
struct rot_limit {
u32 min_w;
u32 min_h;
u32 max_w;
u32 max_h;
u32 align;
};
/*
* A structure of limitation table.
*
* @ycbcr420_2p: case of YUV.
* @rgb888: case of RGB.
*/
struct rot_limit_table {
struct rot_limit ycbcr420_2p;
struct rot_limit rgb888;
struct rot_variant {
const struct exynos_drm_ipp_formats *formats;
unsigned int num_formats;
};
/*
* A structure of rotator context.
* @ippdrv: prepare initialization using ippdrv.
* @regs_res: register resources.
* @regs: memory mapped io registers.
* @clock: rotator gate clock.
* @limit_tbl: limitation of rotator.
* @irq: irq number.
* @cur_buf_id: current operation buffer id.
* @suspended: suspended state.
*/
struct rot_context {
struct exynos_drm_ippdrv ippdrv;
struct resource *regs_res;
struct exynos_drm_ipp ipp;
struct drm_device *drm_dev;
struct device *dev;
void __iomem *regs;
struct clk *clock;
struct rot_limit_table *limit_tbl;
int irq;
int cur_buf_id[EXYNOS_DRM_OPS_MAX];
bool suspended;
const struct exynos_drm_ipp_formats *formats;
unsigned int num_formats;
struct exynos_drm_ipp_task *task;
};
static void rotator_reg_set_irq(struct rot_context *rot, bool enable)
@ -114,15 +78,6 @@ static void rotator_reg_set_irq(struct rot_context *rot, bool enable)
rot_write(val, ROT_CONFIG);
}
static u32 rotator_reg_get_fmt(struct rot_context *rot)
{
u32 val = rot_read(ROT_CONTROL);
val &= ROT_CONTROL_FMT_MASK;
return val;
}
static enum rot_irq_status rotator_reg_get_irq_status(struct rot_context *rot)
{
u32 val = rot_read(ROT_STATUS);
@ -138,9 +93,6 @@ static enum rot_irq_status rotator_reg_get_irq_status(struct rot_context *rot)
static irqreturn_t rotator_irq_handler(int irq, void *arg)
{
struct rot_context *rot = arg;
struct exynos_drm_ippdrv *ippdrv = &rot->ippdrv;
struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
struct drm_exynos_ipp_event_work *event_work = c_node->event_work;
enum rot_irq_status irq_status;
u32 val;
@ -152,56 +104,21 @@ static irqreturn_t rotator_irq_handler(int irq, void *arg)
val |= ROT_STATUS_IRQ_PENDING((u32)irq_status);
rot_write(val, ROT_STATUS);
if (irq_status == ROT_IRQ_STATUS_COMPLETE) {
event_work->ippdrv = ippdrv;
event_work->buf_id[EXYNOS_DRM_OPS_DST] =
rot->cur_buf_id[EXYNOS_DRM_OPS_DST];
queue_work(ippdrv->event_workq, &event_work->work);
} else {
DRM_ERROR("the SFR is set illegally\n");
if (rot->task) {
struct exynos_drm_ipp_task *task = rot->task;
rot->task = NULL;
pm_runtime_mark_last_busy(rot->dev);
pm_runtime_put_autosuspend(rot->dev);
exynos_drm_ipp_task_done(task,
irq_status == ROT_IRQ_STATUS_COMPLETE ? 0 : -EINVAL);
}
return IRQ_HANDLED;
}
static void rotator_align_size(struct rot_context *rot, u32 fmt, u32 *hsize,
u32 *vsize)
static void rotator_src_set_fmt(struct rot_context *rot, u32 fmt)
{
struct rot_limit_table *limit_tbl = rot->limit_tbl;
struct rot_limit *limit;
u32 mask, val;
/* Get size limit */
if (fmt == ROT_CONTROL_FMT_RGB888)
limit = &limit_tbl->rgb888;
else
limit = &limit_tbl->ycbcr420_2p;
/* Get mask for rounding to nearest aligned val */
mask = ~((1 << limit->align) - 1);
/* Set aligned width */
val = ROT_ALIGN(*hsize, limit->align, mask);
if (val < limit->min_w)
*hsize = ROT_MIN(limit->min_w, mask);
else if (val > limit->max_w)
*hsize = ROT_MAX(limit->max_w, mask);
else
*hsize = val;
/* Set aligned height */
val = ROT_ALIGN(*vsize, limit->align, mask);
if (val < limit->min_h)
*vsize = ROT_MIN(limit->min_h, mask);
else if (val > limit->max_h)
*vsize = ROT_MAX(limit->max_h, mask);
else
*vsize = val;
}
static int rotator_src_set_fmt(struct device *dev, u32 fmt)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 val;
val = rot_read(ROT_CONTROL);
@ -214,515 +131,176 @@ static int rotator_src_set_fmt(struct device *dev, u32 fmt)
case DRM_FORMAT_XRGB8888:
val |= ROT_CONTROL_FMT_RGB888;
break;
default:
DRM_ERROR("invalid image format\n");
return -EINVAL;
}
rot_write(val, ROT_CONTROL);
return 0;
}
static inline bool rotator_check_reg_fmt(u32 fmt)
static void rotator_src_set_buf(struct rot_context *rot,
struct exynos_drm_ipp_buffer *buf)
{
if ((fmt == ROT_CONTROL_FMT_YCBCR420_2P) ||
(fmt == ROT_CONTROL_FMT_RGB888))
return true;
return false;
}
static int rotator_src_set_size(struct device *dev, int swap,
struct drm_exynos_pos *pos,
struct drm_exynos_sz *sz)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 fmt, hsize, vsize;
u32 val;
/* Get format */
fmt = rotator_reg_get_fmt(rot);
if (!rotator_check_reg_fmt(fmt)) {
DRM_ERROR("invalid format.\n");
return -EINVAL;
}
/* Align buffer size */
hsize = sz->hsize;
vsize = sz->vsize;
rotator_align_size(rot, fmt, &hsize, &vsize);
/* Set buffer size configuration */
val = ROT_SET_BUF_SIZE_H(vsize) | ROT_SET_BUF_SIZE_W(hsize);
val = ROT_SET_BUF_SIZE_H(buf->buf.height) |
ROT_SET_BUF_SIZE_W(buf->buf.pitch[0] / buf->format->cpp[0]);
rot_write(val, ROT_SRC_BUF_SIZE);
/* Set crop image position configuration */
val = ROT_CROP_POS_Y(pos->y) | ROT_CROP_POS_X(pos->x);
val = ROT_CROP_POS_Y(buf->rect.y) | ROT_CROP_POS_X(buf->rect.x);
rot_write(val, ROT_SRC_CROP_POS);
val = ROT_SRC_CROP_SIZE_H(pos->h) | ROT_SRC_CROP_SIZE_W(pos->w);
val = ROT_SRC_CROP_SIZE_H(buf->rect.h) |
ROT_SRC_CROP_SIZE_W(buf->rect.w);
rot_write(val, ROT_SRC_CROP_SIZE);
return 0;
/* Set buffer DMA address */
rot_write(buf->dma_addr[0], ROT_SRC_BUF_ADDR(0));
rot_write(buf->dma_addr[1], ROT_SRC_BUF_ADDR(1));
}
static int rotator_src_set_addr(struct device *dev,
struct drm_exynos_ipp_buf_info *buf_info,
u32 buf_id, enum drm_exynos_ipp_buf_type buf_type)
static void rotator_dst_set_transf(struct rot_context *rot,
unsigned int rotation)
{
struct rot_context *rot = dev_get_drvdata(dev);
dma_addr_t addr[EXYNOS_DRM_PLANAR_MAX];
u32 val, fmt, hsize, vsize;
int i;
/* Set current buf_id */
rot->cur_buf_id[EXYNOS_DRM_OPS_SRC] = buf_id;
switch (buf_type) {
case IPP_BUF_ENQUEUE:
/* Set address configuration */
for_each_ipp_planar(i)
addr[i] = buf_info->base[i];
/* Get format */
fmt = rotator_reg_get_fmt(rot);
if (!rotator_check_reg_fmt(fmt)) {
DRM_ERROR("invalid format.\n");
return -EINVAL;
}
/* Re-set cb planar for NV12 format */
if ((fmt == ROT_CONTROL_FMT_YCBCR420_2P) &&
!addr[EXYNOS_DRM_PLANAR_CB]) {
val = rot_read(ROT_SRC_BUF_SIZE);
hsize = ROT_GET_BUF_SIZE_W(val);
vsize = ROT_GET_BUF_SIZE_H(val);
/* Set cb planar */
addr[EXYNOS_DRM_PLANAR_CB] =
addr[EXYNOS_DRM_PLANAR_Y] + hsize * vsize;
}
for_each_ipp_planar(i)
rot_write(addr[i], ROT_SRC_BUF_ADDR(i));
break;
case IPP_BUF_DEQUEUE:
for_each_ipp_planar(i)
rot_write(0x0, ROT_SRC_BUF_ADDR(i));
break;
default:
/* Nothing to do */
break;
}
return 0;
}
static int rotator_dst_set_transf(struct device *dev,
enum drm_exynos_degree degree,
enum drm_exynos_flip flip, bool *swap)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 val;
/* Set transform configuration */
val = rot_read(ROT_CONTROL);
val &= ~ROT_CONTROL_FLIP_MASK;
switch (flip) {
case EXYNOS_DRM_FLIP_VERTICAL:
val |= ROT_CONTROL_FLIP_VERTICAL;
break;
case EXYNOS_DRM_FLIP_HORIZONTAL:
if (rotation & DRM_MODE_REFLECT_X)
val |= ROT_CONTROL_FLIP_HORIZONTAL;
break;
default:
/* Flip None */
break;
}
if (rotation & DRM_MODE_REFLECT_Y)
val |= ROT_CONTROL_FLIP_VERTICAL;
val &= ~ROT_CONTROL_ROT_MASK;
switch (degree) {
case EXYNOS_DRM_DEGREE_90:
if (rotation & DRM_MODE_ROTATE_90)
val |= ROT_CONTROL_ROT_90;
break;
case EXYNOS_DRM_DEGREE_180:
else if (rotation & DRM_MODE_ROTATE_180)
val |= ROT_CONTROL_ROT_180;
break;
case EXYNOS_DRM_DEGREE_270:
else if (rotation & DRM_MODE_ROTATE_270)
val |= ROT_CONTROL_ROT_270;
break;
default:
/* Rotation 0 Degree */
break;
}
rot_write(val, ROT_CONTROL);
/* Check degree for setting buffer size swap */
if ((degree == EXYNOS_DRM_DEGREE_90) ||
(degree == EXYNOS_DRM_DEGREE_270))
*swap = true;
else
*swap = false;
return 0;
}
static int rotator_dst_set_size(struct device *dev, int swap,
struct drm_exynos_pos *pos,
struct drm_exynos_sz *sz)
static void rotator_dst_set_buf(struct rot_context *rot,
struct exynos_drm_ipp_buffer *buf)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 val, fmt, hsize, vsize;
/* Get format */
fmt = rotator_reg_get_fmt(rot);
if (!rotator_check_reg_fmt(fmt)) {
DRM_ERROR("invalid format.\n");
return -EINVAL;
}
/* Align buffer size */
hsize = sz->hsize;
vsize = sz->vsize;
rotator_align_size(rot, fmt, &hsize, &vsize);
u32 val;
/* Set buffer size configuration */
val = ROT_SET_BUF_SIZE_H(vsize) | ROT_SET_BUF_SIZE_W(hsize);
val = ROT_SET_BUF_SIZE_H(buf->buf.height) |
ROT_SET_BUF_SIZE_W(buf->buf.pitch[0] / buf->format->cpp[0]);
rot_write(val, ROT_DST_BUF_SIZE);
/* Set crop image position configuration */
val = ROT_CROP_POS_Y(pos->y) | ROT_CROP_POS_X(pos->x);
val = ROT_CROP_POS_Y(buf->rect.y) | ROT_CROP_POS_X(buf->rect.x);
rot_write(val, ROT_DST_CROP_POS);
return 0;
/* Set buffer DMA address */
rot_write(buf->dma_addr[0], ROT_DST_BUF_ADDR(0));
rot_write(buf->dma_addr[1], ROT_DST_BUF_ADDR(1));
}
static int rotator_dst_set_addr(struct device *dev,
struct drm_exynos_ipp_buf_info *buf_info,
u32 buf_id, enum drm_exynos_ipp_buf_type buf_type)
static void rotator_start(struct rot_context *rot)
{
struct rot_context *rot = dev_get_drvdata(dev);
dma_addr_t addr[EXYNOS_DRM_PLANAR_MAX];
u32 val, fmt, hsize, vsize;
int i;
/* Set current buf_id */
rot->cur_buf_id[EXYNOS_DRM_OPS_DST] = buf_id;
switch (buf_type) {
case IPP_BUF_ENQUEUE:
/* Set address configuration */
for_each_ipp_planar(i)
addr[i] = buf_info->base[i];
/* Get format */
fmt = rotator_reg_get_fmt(rot);
if (!rotator_check_reg_fmt(fmt)) {
DRM_ERROR("invalid format.\n");
return -EINVAL;
}
/* Re-set cb planar for NV12 format */
if ((fmt == ROT_CONTROL_FMT_YCBCR420_2P) &&
!addr[EXYNOS_DRM_PLANAR_CB]) {
/* Get buf size */
val = rot_read(ROT_DST_BUF_SIZE);
hsize = ROT_GET_BUF_SIZE_W(val);
vsize = ROT_GET_BUF_SIZE_H(val);
/* Set cb planar */
addr[EXYNOS_DRM_PLANAR_CB] =
addr[EXYNOS_DRM_PLANAR_Y] + hsize * vsize;
}
for_each_ipp_planar(i)
rot_write(addr[i], ROT_DST_BUF_ADDR(i));
break;
case IPP_BUF_DEQUEUE:
for_each_ipp_planar(i)
rot_write(0x0, ROT_DST_BUF_ADDR(i));
break;
default:
/* Nothing to do */
break;
}
return 0;
}
static struct exynos_drm_ipp_ops rot_src_ops = {
.set_fmt = rotator_src_set_fmt,
.set_size = rotator_src_set_size,
.set_addr = rotator_src_set_addr,
};
static struct exynos_drm_ipp_ops rot_dst_ops = {
.set_transf = rotator_dst_set_transf,
.set_size = rotator_dst_set_size,
.set_addr = rotator_dst_set_addr,
};
static int rotator_init_prop_list(struct exynos_drm_ippdrv *ippdrv)
{
struct drm_exynos_ipp_prop_list *prop_list = &ippdrv->prop_list;
prop_list->version = 1;
prop_list->flip = (1 << EXYNOS_DRM_FLIP_VERTICAL) |
(1 << EXYNOS_DRM_FLIP_HORIZONTAL);
prop_list->degree = (1 << EXYNOS_DRM_DEGREE_0) |
(1 << EXYNOS_DRM_DEGREE_90) |
(1 << EXYNOS_DRM_DEGREE_180) |
(1 << EXYNOS_DRM_DEGREE_270);
prop_list->csc = 0;
prop_list->crop = 0;
prop_list->scale = 0;
return 0;
}
static inline bool rotator_check_drm_fmt(u32 fmt)
{
switch (fmt) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_NV12:
return true;
default:
DRM_DEBUG_KMS("not support format\n");
return false;
}
}
static inline bool rotator_check_drm_flip(enum drm_exynos_flip flip)
{
switch (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("invalid flip\n");
return false;
}
}
static int rotator_ippdrv_check_property(struct device *dev,
struct drm_exynos_ipp_property *property)
{
struct drm_exynos_ipp_config *src_config =
&property->config[EXYNOS_DRM_OPS_SRC];
struct drm_exynos_ipp_config *dst_config =
&property->config[EXYNOS_DRM_OPS_DST];
struct drm_exynos_pos *src_pos = &src_config->pos;
struct drm_exynos_pos *dst_pos = &dst_config->pos;
struct drm_exynos_sz *src_sz = &src_config->sz;
struct drm_exynos_sz *dst_sz = &dst_config->sz;
bool swap = false;
/* Check format configuration */
if (src_config->fmt != dst_config->fmt) {
DRM_DEBUG_KMS("not support csc feature\n");
return -EINVAL;
}
if (!rotator_check_drm_fmt(dst_config->fmt)) {
DRM_DEBUG_KMS("invalid format\n");
return -EINVAL;
}
/* Check transform configuration */
if (src_config->degree != EXYNOS_DRM_DEGREE_0) {
DRM_DEBUG_KMS("not support source-side rotation\n");
return -EINVAL;
}
switch (dst_config->degree) {
case EXYNOS_DRM_DEGREE_90:
case EXYNOS_DRM_DEGREE_270:
swap = true;
case EXYNOS_DRM_DEGREE_0:
case EXYNOS_DRM_DEGREE_180:
/* No problem */
break;
default:
DRM_DEBUG_KMS("invalid degree\n");
return -EINVAL;
}
if (src_config->flip != EXYNOS_DRM_FLIP_NONE) {
DRM_DEBUG_KMS("not support source-side flip\n");
return -EINVAL;
}
if (!rotator_check_drm_flip(dst_config->flip)) {
DRM_DEBUG_KMS("invalid flip\n");
return -EINVAL;
}
/* Check size configuration */
if ((src_pos->x + src_pos->w > src_sz->hsize) ||
(src_pos->y + src_pos->h > src_sz->vsize)) {
DRM_DEBUG_KMS("out of source buffer bound\n");
return -EINVAL;
}
if (swap) {
if ((dst_pos->x + dst_pos->h > dst_sz->vsize) ||
(dst_pos->y + dst_pos->w > dst_sz->hsize)) {
DRM_DEBUG_KMS("out of destination buffer bound\n");
return -EINVAL;
}
if ((src_pos->w != dst_pos->h) || (src_pos->h != dst_pos->w)) {
DRM_DEBUG_KMS("not support scale feature\n");
return -EINVAL;
}
} else {
if ((dst_pos->x + dst_pos->w > dst_sz->hsize) ||
(dst_pos->y + dst_pos->h > dst_sz->vsize)) {
DRM_DEBUG_KMS("out of destination buffer bound\n");
return -EINVAL;
}
if ((src_pos->w != dst_pos->w) || (src_pos->h != dst_pos->h)) {
DRM_DEBUG_KMS("not support scale feature\n");
return -EINVAL;
}
}
return 0;
}
static int rotator_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
{
struct rot_context *rot = dev_get_drvdata(dev);
u32 val;
if (rot->suspended) {
DRM_ERROR("suspended state\n");
return -EPERM;
}
if (cmd != IPP_CMD_M2M) {
DRM_ERROR("not support cmd: %d\n", cmd);
return -EINVAL;
}
/* Set interrupt enable */
rotator_reg_set_irq(rot, true);
val = rot_read(ROT_CONTROL);
val |= ROT_CONTROL_START;
rot_write(val, ROT_CONTROL);
}
static int rotator_commit(struct exynos_drm_ipp *ipp,
struct exynos_drm_ipp_task *task)
{
struct rot_context *rot =
container_of(ipp, struct rot_context, ipp);
pm_runtime_get_sync(rot->dev);
rot->task = task;
rotator_src_set_fmt(rot, task->src.buf.fourcc);
rotator_src_set_buf(rot, &task->src);
rotator_dst_set_transf(rot, task->transform.rotation);
rotator_dst_set_buf(rot, &task->dst);
rotator_start(rot);
return 0;
}
static struct rot_limit_table rot_limit_tbl_4210 = {
.ycbcr420_2p = {
.min_w = 32,
.min_h = 32,
.max_w = SZ_64K,
.max_h = SZ_64K,
.align = 3,
},
.rgb888 = {
.min_w = 8,
.min_h = 8,
.max_w = SZ_16K,
.max_h = SZ_16K,
.align = 2,
},
static const struct exynos_drm_ipp_funcs ipp_funcs = {
.commit = rotator_commit,
};
static struct rot_limit_table rot_limit_tbl_4x12 = {
.ycbcr420_2p = {
.min_w = 32,
.min_h = 32,
.max_w = SZ_32K,
.max_h = SZ_32K,
.align = 3,
},
.rgb888 = {
.min_w = 8,
.min_h = 8,
.max_w = SZ_8K,
.max_h = SZ_8K,
.align = 2,
},
};
static int rotator_bind(struct device *dev, struct device *master, void *data)
{
struct rot_context *rot = dev_get_drvdata(dev);
struct drm_device *drm_dev = data;
struct exynos_drm_ipp *ipp = &rot->ipp;
static struct rot_limit_table rot_limit_tbl_5250 = {
.ycbcr420_2p = {
.min_w = 32,
.min_h = 32,
.max_w = SZ_32K,
.max_h = SZ_32K,
.align = 3,
},
.rgb888 = {
.min_w = 8,
.min_h = 8,
.max_w = SZ_8K,
.max_h = SZ_8K,
.align = 1,
},
};
rot->drm_dev = drm_dev;
drm_iommu_attach_device(drm_dev, dev);
static const struct of_device_id exynos_rotator_match[] = {
{
.compatible = "samsung,exynos4210-rotator",
.data = &rot_limit_tbl_4210,
},
{
.compatible = "samsung,exynos4212-rotator",
.data = &rot_limit_tbl_4x12,
},
{
.compatible = "samsung,exynos5250-rotator",
.data = &rot_limit_tbl_5250,
},
{},
exynos_drm_ipp_register(drm_dev, ipp, &ipp_funcs,
DRM_EXYNOS_IPP_CAP_CROP | DRM_EXYNOS_IPP_CAP_ROTATE,
rot->formats, rot->num_formats, "rotator");
dev_info(dev, "The exynos rotator has been probed successfully\n");
return 0;
}
static void rotator_unbind(struct device *dev, struct device *master,
void *data)
{
struct rot_context *rot = dev_get_drvdata(dev);
struct drm_device *drm_dev = data;
struct exynos_drm_ipp *ipp = &rot->ipp;
exynos_drm_ipp_unregister(drm_dev, ipp);
drm_iommu_detach_device(rot->drm_dev, rot->dev);
}
static const struct component_ops rotator_component_ops = {
.bind = rotator_bind,
.unbind = rotator_unbind,
};
MODULE_DEVICE_TABLE(of, exynos_rotator_match);
static int rotator_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct resource *regs_res;
struct rot_context *rot;
struct exynos_drm_ippdrv *ippdrv;
const struct rot_variant *variant;
int irq;
int ret;
if (!dev->of_node) {
dev_err(dev, "cannot find of_node.\n");
return -ENODEV;
}
rot = devm_kzalloc(dev, sizeof(*rot), GFP_KERNEL);
if (!rot)
return -ENOMEM;
rot->limit_tbl = (struct rot_limit_table *)
of_device_get_match_data(dev);
rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rot->regs = devm_ioremap_resource(dev, rot->regs_res);
variant = of_device_get_match_data(dev);
rot->formats = variant->formats;
rot->num_formats = variant->num_formats;
rot->dev = dev;
regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rot->regs = devm_ioremap_resource(dev, regs_res);
if (IS_ERR(rot->regs))
return PTR_ERR(rot->regs);
rot->irq = platform_get_irq(pdev, 0);
if (rot->irq < 0) {
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "failed to get irq\n");
return rot->irq;
return irq;
}
ret = devm_request_threaded_irq(dev, rot->irq, NULL,
rotator_irq_handler, IRQF_ONESHOT, "drm_rotator", rot);
ret = devm_request_irq(dev, irq, rotator_irq_handler, 0, dev_name(dev),
rot);
if (ret < 0) {
dev_err(dev, "failed to request irq\n");
return ret;
@ -734,35 +312,19 @@ static int rotator_probe(struct platform_device *pdev)
return PTR_ERR(rot->clock);
}
pm_runtime_use_autosuspend(dev);
pm_runtime_set_autosuspend_delay(dev, ROTATOR_AUTOSUSPEND_DELAY);
pm_runtime_enable(dev);
ippdrv = &rot->ippdrv;
ippdrv->dev = dev;
ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &rot_src_ops;
ippdrv->ops[EXYNOS_DRM_OPS_DST] = &rot_dst_ops;
ippdrv->check_property = rotator_ippdrv_check_property;
ippdrv->start = rotator_ippdrv_start;
ret = rotator_init_prop_list(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to init property list.\n");
goto err_ippdrv_register;
}
DRM_DEBUG_KMS("ippdrv[%pK]\n", ippdrv);
platform_set_drvdata(pdev, rot);
ret = exynos_drm_ippdrv_register(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to register drm rotator device\n");
goto err_ippdrv_register;
}
dev_info(dev, "The exynos rotator is probed successfully\n");
ret = component_add(dev, &rotator_component_ops);
if (ret)
goto err_component;
return 0;
err_ippdrv_register:
err_component:
pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
return ret;
}
@ -770,45 +332,101 @@ err_ippdrv_register:
static int rotator_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct rot_context *rot = dev_get_drvdata(dev);
struct exynos_drm_ippdrv *ippdrv = &rot->ippdrv;
exynos_drm_ippdrv_unregister(ippdrv);
component_del(dev, &rotator_component_ops);
pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
return 0;
}
#ifdef CONFIG_PM
static int rotator_clk_crtl(struct rot_context *rot, bool enable)
{
if (enable) {
clk_prepare_enable(rot->clock);
rot->suspended = false;
} else {
clk_disable_unprepare(rot->clock);
rot->suspended = true;
}
return 0;
}
static int rotator_runtime_suspend(struct device *dev)
{
struct rot_context *rot = dev_get_drvdata(dev);
return rotator_clk_crtl(rot, false);
clk_disable_unprepare(rot->clock);
return 0;
}
static int rotator_runtime_resume(struct device *dev)
{
struct rot_context *rot = dev_get_drvdata(dev);
return rotator_clk_crtl(rot, true);
return clk_prepare_enable(rot->clock);
}
#endif
static const struct drm_exynos_ipp_limit rotator_4210_rbg888_limits[] = {
{ IPP_SIZE_LIMIT(BUFFER, .h = { 8, SZ_16K }, .v = { 8, SZ_16K }) },
{ IPP_SIZE_LIMIT(AREA, .h.align = 4, .v.align = 4) },
};
static const struct drm_exynos_ipp_limit rotator_4412_rbg888_limits[] = {
{ IPP_SIZE_LIMIT(BUFFER, .h = { 8, SZ_8K }, .v = { 8, SZ_8K }) },
{ IPP_SIZE_LIMIT(AREA, .h.align = 4, .v.align = 4) },
};
static const struct drm_exynos_ipp_limit rotator_5250_rbg888_limits[] = {
{ IPP_SIZE_LIMIT(BUFFER, .h = { 8, SZ_8K }, .v = { 8, SZ_8K }) },
{ IPP_SIZE_LIMIT(AREA, .h.align = 2, .v.align = 2) },
};
static const struct drm_exynos_ipp_limit rotator_4210_yuv_limits[] = {
{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, SZ_64K }, .v = { 32, SZ_64K }) },
{ IPP_SIZE_LIMIT(AREA, .h.align = 8, .v.align = 8) },
};
static const struct drm_exynos_ipp_limit rotator_4412_yuv_limits[] = {
{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, SZ_32K }, .v = { 32, SZ_32K }) },
{ IPP_SIZE_LIMIT(AREA, .h.align = 8, .v.align = 8) },
};
static const struct exynos_drm_ipp_formats rotator_4210_formats[] = {
{ IPP_SRCDST_FORMAT(XRGB8888, rotator_4210_rbg888_limits) },
{ IPP_SRCDST_FORMAT(NV12, rotator_4210_yuv_limits) },
};
static const struct exynos_drm_ipp_formats rotator_4412_formats[] = {
{ IPP_SRCDST_FORMAT(XRGB8888, rotator_4412_rbg888_limits) },
{ IPP_SRCDST_FORMAT(NV12, rotator_4412_yuv_limits) },
};
static const struct exynos_drm_ipp_formats rotator_5250_formats[] = {
{ IPP_SRCDST_FORMAT(XRGB8888, rotator_5250_rbg888_limits) },
{ IPP_SRCDST_FORMAT(NV12, rotator_4412_yuv_limits) },
};
static const struct rot_variant rotator_4210_data = {
.formats = rotator_4210_formats,
.num_formats = ARRAY_SIZE(rotator_4210_formats),
};
static const struct rot_variant rotator_4412_data = {
.formats = rotator_4412_formats,
.num_formats = ARRAY_SIZE(rotator_4412_formats),
};
static const struct rot_variant rotator_5250_data = {
.formats = rotator_5250_formats,
.num_formats = ARRAY_SIZE(rotator_5250_formats),
};
static const struct of_device_id exynos_rotator_match[] = {
{
.compatible = "samsung,exynos4210-rotator",
.data = &rotator_4210_data,
}, {
.compatible = "samsung,exynos4212-rotator",
.data = &rotator_4412_data,
}, {
.compatible = "samsung,exynos5250-rotator",
.data = &rotator_5250_data,
}, {
},
};
MODULE_DEVICE_TABLE(of, exynos_rotator_match);
static const struct dev_pm_ops rotator_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
@ -820,7 +438,7 @@ struct platform_driver rotator_driver = {
.probe = rotator_probe,
.remove = rotator_remove,
.driver = {
.name = "exynos-rot",
.name = "exynos-rotator",
.owner = THIS_MODULE,
.pm = &rotator_pm_ops,
.of_match_table = exynos_rotator_match,