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dv: add polling interface for systemcontrol [1/1]

Browse Source 
PD#SWPL-6338

Problem:
add polling interface for systemcontrol

Solution:
add polling interface for systemcontrol

Verify:
tm2

Change-Id: I1a0a9a3028592ee0df77b33c9c617cbdd9b07d70
Signed-off-by: Yi Zhou <yi.zhou@amlogic.com>
This commit is contained in:
Yi Zhou
2019-04-12 21:04:03 +08:00
committed by Luan Yuan
parent 03e47d38fd
commit b2be53473a
1 changed files with 31 additions and 2 deletions
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33
drivers/amlogic/media/enhancement/amdolby_vision/amdolby_vision.c
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@@ -41,6 +41,8 @@
#include <linux/amlogic/media/codec_mm/codec_mm.h>
#include <linux/dma-contiguous.h>
#include <linux/amlogic/iomap.h>
#include <linux/poll.h>
#include <linux/workqueue.h>
#include "amdolby_vision.h"
#include <linux/device.h>
@@ -69,6 +71,7 @@ struct amdolby_vision_dev_s {
dev_t devno;
struct device *dev;
struct class *clsp;
wait_queue_head_t dv_queue;
};
static struct amdolby_vision_dev_s amdolby_vision_dev;
struct dv_device_data_s dv_meson_dev;
@@ -377,7 +380,7 @@ uint16_t L2PQ_500_4000[] = {
static uint32_t tv_max_lin = 200;
static uint16_t tv_max_pq = 2372;
static unsigned int panel_max_lumin = 300;
static unsigned int panel_max_lumin = 350;
module_param(panel_max_lumin, uint, 0664);
MODULE_PARM_DESC(panel_max_lumin, "\n panel_max_lumin\n");
@@ -1207,6 +1210,24 @@ static int WRITE_VPP_DV_REG(u32 adr, const u32 val)
return 0;
}
void amdolby_vision_wakeup_queue(void)
{
struct amdolby_vision_dev_s *devp = &amdolby_vision_dev;
wake_up(&devp->dv_queue);
}
static unsigned int amdolby_vision_poll(struct file *file, poll_table *wait)
{
struct amdolby_vision_dev_s *devp = file->private_data;
unsigned int mask = 0;
poll_wait(file, &devp->dv_queue, wait);
mask = (POLLIN | POLLRDNORM);
return mask;
}
static int is_graphics_output_off(void)
{
if (is_meson_g12() || is_meson_tm2_stbmode())
@@ -4960,7 +4981,7 @@ static void calculate_panel_max_pq(
max_lin = (max_lin / 100) * 100 + 500;
max_pq = L2PQ_500_4000[(max_lin - 500) / 100];
}
pr_info("panel max lumin changed from %d(%d) to %d(%d)\n",
pr_dolby_dbg("panel max lumin changed from %d(%d) to %d(%d)\n",
tv_max_lin, tv_max_pq, max_lin, max_pq);
tv_max_lin = max_lin;
tv_max_pq = max_pq;
@@ -5299,6 +5320,7 @@ int dolby_vision_parse_metadata(
h = (vf->type & VIDTYPE_COMPRESS) ?
vf->compHeight : vf->height;
}
if ((src_format == FORMAT_DOVI)
&& meta_flag_bl && meta_flag_el) {
/* dovi frame no meta or meta error */
@@ -6023,6 +6045,11 @@ int dolby_vision_process(struct vframe_s *vf, u32 display_size,
if (!is_meson_box() && !is_meson_txlx() && !is_meson_tm2())
return -1;
if ((dolby_vision_enable == 1) && (tv_mode == 1)) {
amdolby_vision_wakeup_queue();
pr_dolby_dbg("wake up dv status queue\n");
}
if (dolby_vision_flags & FLAG_CERTIFICAION) {
if (vf) {
h_size = (vf->type & VIDTYPE_COMPRESS) ?
@@ -6696,6 +6723,7 @@ static const struct file_operations amdolby_vision_fops = {
#ifdef CONFIG_COMPAT
.compat_ioctl = amdolby_vision_compat_ioctl,
#endif
.poll = amdolby_vision_poll,
};
static void parse_param_amdolby_vision(char *buf_orig, char **parm)
@@ -6942,6 +6970,7 @@ static int amdolby_vision_probe(struct platform_device *pdev)
}
dolby_vision_init_receiver(pdev);
init_waitqueue_head(&devp->dv_queue);
pr_info("%s: ok\n", __func__);
return 0;