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ddrfreq: add dualview sence and isp sence

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This commit is contained in:
陈亮
2014-05-09 00:03:15 -07:00
parent 6cff575b83
commit 9b652a83df
4 changed files with 36 additions and 47 deletions
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3
arch/arm/boot/dts/rk3288-p977.dts
View File

@@ -588,8 +588,9 @@
SYS_STATUS_VIDEO_1080P 240000
SYS_STATUS_VIDEO_4K 400000
SYS_STATUS_PERFORMANCE 528000
SYS_STATUS_DUALVIEW 500000
SYS_STATUS_DUALVIEW 400000
SYS_STATUS_BOOST 324000
SYS_STATUS_ISP 400000
>;
auto-freq-table = <
240000

3
arch/arm/boot/dts/rk3288-tb.dts
View File

@@ -699,8 +699,9 @@ rockchip,power_type = <GPIO>;
SYS_STATUS_VIDEO_1080P 240000
SYS_STATUS_VIDEO_4K 400000
SYS_STATUS_PERFORMANCE 528000
SYS_STATUS_DUALVIEW 500000
SYS_STATUS_DUALVIEW 400000
SYS_STATUS_BOOST 324000
SYS_STATUS_ISP 400000
>;
auto-freq-table = <
240000

75
arch/arm/mach-rockchip/ddr_freq.c
View File

@@ -26,6 +26,7 @@
#include <asm/io.h>
#include <linux/rockchip/grf.h>
#include <linux/rockchip/iomap.h>
#include "../../../drivers/clk/rockchip/clk-pd.h"
extern int rockchip_cpufreq_reboot_limit_freq(void);
@@ -95,6 +96,7 @@ struct ddr {
unsigned long suspend_rate;
unsigned long reboot_rate;
unsigned long boost_rate;
unsigned long isp_rate;
bool auto_freq;
bool auto_self_refresh;
char *mode;
@@ -287,7 +289,9 @@ static noinline long ddrfreq_work(unsigned long sys_status)
} else if (ddr.video_4k_rate && (s & SYS_STATUS_VIDEO_4K)) {
ddrfreq_mode(false, &ddr.video_4k_rate, "video_4k");
} else if (ddr.performance_rate && (s & SYS_STATUS_PERFORMANCE)) {
ddrfreq_mode(false, &ddr.performance_rate, "performance_rate");
ddrfreq_mode(false, &ddr.performance_rate, "performance");
} else if (ddr.isp_rate && (s & SYS_STATUS_ISP)) {
ddrfreq_mode(false, &ddr.isp_rate, "isp");
} else if (ddr.idle_rate
&& !(s & SYS_STATUS_GPU)
&& !(s & SYS_STATUS_RGA)
@@ -333,8 +337,10 @@ void add_video_info(struct video_info *video_info)
void del_video_info(struct video_info *video_info)
{
if (video_info)
if (video_info) {
list_del(&video_info->node);
kfree(video_info);
}
}
struct video_info *find_video_info(struct video_info *match_video_info)
@@ -404,7 +410,7 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
struct video_info *video_info = NULL;
char state, *cookie_pot, *p, *buf = vzalloc(count);
char state, *cookie_pot, *buf = vzalloc(count);
cookie_pot = buf;
if(!buf)
@@ -430,6 +436,7 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer,
vfree(buf);
return -ENOMEM;
}
INIT_LIST_HEAD(&video_info->node);
strsep(&cookie_pot,",");
@@ -438,7 +445,6 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer,
video_info->ishevc = get_video_param(&cookie_pot);
video_info->videoFramerate = get_video_param(&cookie_pot);
video_info->streamBitrate = get_video_param(&cookie_pot);
video_info->streamBitrate = get_video_param(&cookie_pot);
dprintk(DEBUG_VIDEO_STATE, "%s: video_state=%c,width=%d,height=%d,ishevc=%d,videoFramerate=%d,streamBitrate=%d\n",
__func__, state,video_info->width,video_info->height,
@@ -450,6 +456,7 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer,
switch (state) {
case '0':
del_video_info(find_video_info(video_info));
kfree(video_info);
update_video_info();
break;
case '1':
@@ -566,22 +573,19 @@ static struct input_handler ddr_freq_input_handler = {
.id_table = ddr_freq_ids,
};
/*
static int ddrfreq_clk_event(int status, unsigned long event)
{
switch (event) {
case PRE_RATE_CHANGE:
case RK_CLK_PD_PRE_ENABLE:
ddrfreq_set_sys_status(status);
break;
case POST_RATE_CHANGE:
case ABORT_RATE_CHANGE:
case RK_CLK_PD_POST_DISABLE:
ddrfreq_clear_sys_status(status);
break;
}
return NOTIFY_OK;
}
*/
#define CLK_NOTIFIER(name, status) \
static int ddrfreq_clk_##name##_event(struct notifier_block *this, unsigned long event, void *ptr) \
{ \
@@ -592,24 +596,21 @@ static struct notifier_block ddrfreq_clk_##name##_notifier = { .notifier_call =
#define REGISTER_CLK_NOTIFIER(name) \
do { \
struct clk *clk = clk_get(NULL, #name); \
clk_notifier_register(clk, &ddrfreq_clk_##name##_notifier); \
rk_clk_pd_notifier_register(clk, &ddrfreq_clk_##name##_notifier); \
clk_put(clk); \
} while (0)
#define UNREGISTER_CLK_NOTIFIER(name) \
do { \
struct clk *clk = clk_get(NULL, #name); \
clk_notifier_unregister(clk, &ddrfreq_clk_##name##_notifier); \
rk_clk_pd_notifier_unregister(clk, &ddrfreq_clk_##name##_notifier); \
clk_put(clk); \
} while (0)
/*
CLK_NOTIFIER(pd_gpu, GPU);
CLK_NOTIFIER(pd_rga, RGA);
CLK_NOTIFIER(pd_cif0, CIF0);
CLK_NOTIFIER(pd_cif1, CIF1);
CLK_NOTIFIER(pd_lcdc0, LCDC0);
CLK_NOTIFIER(pd_lcdc1, LCDC1);
*/
CLK_NOTIFIER(pd_isp, ISP)
CLK_NOTIFIER(pd_vop0, LCDC0)
CLK_NOTIFIER(pd_vop1, LCDC1)
static int ddrfreq_reboot_notifier_event(struct notifier_block *this, unsigned long event, void *ptr)
{
u32 timeout = 1000; // 10s
@@ -724,6 +725,8 @@ int of_init_ddr_freq_table(void)
ddr.reboot_rate= rate;
if (status & SYS_STATUS_BOOST)
ddr.boost_rate= rate;
if (status & SYS_STATUS_ISP)
ddr.isp_rate= rate;
nr -= 2;
}
@@ -737,11 +740,13 @@ static void ddrfreq_tst_init(void);
static int ddrfreq_init(void)
{
struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
int ret;
struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
#if defined(CONFIG_RK_PM_TESTS)
ddrfreq_tst_init();
#endif
clk_cpu_dvfs_node = clk_get_dvfs_node("clk_core");
if (!clk_cpu_dvfs_node){
return -EINVAL;
@@ -752,7 +757,6 @@ static int ddrfreq_init(void)
if (!ddr.clk_dvfs_node){
return -EINVAL;
}
clk_enable_dvfs(ddr.clk_dvfs_node);
init_waitqueue_head(&ddr.wait);
@@ -768,17 +772,9 @@ static int ddrfreq_init(void)
if (ret)
ddr.auto_freq = false;
if (ddr.idle_rate) {
//REGISTER_CLK_NOTIFIER(pd_gpu);
//REGISTER_CLK_NOTIFIER(pd_rga);
//REGISTER_CLK_NOTIFIER(pd_cif0);
//REGISTER_CLK_NOTIFIER(pd_cif1);
}
if (ddr.dualview_rate) {
//REGISTER_CLK_NOTIFIER(pd_lcdc0);
//REGISTER_CLK_NOTIFIER(pd_lcdc1);
}
REGISTER_CLK_NOTIFIER(pd_isp);
REGISTER_CLK_NOTIFIER(pd_vop0);
REGISTER_CLK_NOTIFIER(pd_vop1);
ret = misc_register(&video_state_dev);
if (unlikely(ret)) {
@@ -801,7 +797,7 @@ static int ddrfreq_init(void)
fb_register_client(&ddr_freq_suspend_notifier);
register_reboot_notifier(&ddrfreq_reboot_notifier);
pr_info("verion 1.0 20140228\n");
pr_info("verion 1.1 20140509\n");
dprintk(DEBUG_DDR, "normal %luMHz video_1080p %luMHz video_4k %luMHz dualview %luMHz idle %luMHz suspend %luMHz reboot %luMHz\n",
ddr.normal_rate / MHZ, ddr.video_1080p_rate / MHZ, ddr.video_1080p_rate / MHZ, ddr.dualview_rate / MHZ, ddr.idle_rate / MHZ, ddr.suspend_rate / MHZ, ddr.reboot_rate / MHZ);
@@ -810,17 +806,6 @@ static int ddrfreq_init(void)
err1:
misc_deregister(&video_state_dev);
err:
if (ddr.idle_rate) {
//UNREGISTER_CLK_NOTIFIER(pd_gpu);
//UNREGISTER_CLK_NOTIFIER(pd_rga);
//UNREGISTER_CLK_NOTIFIER(pd_cif0);
//UNREGISTER_CLK_NOTIFIER(pd_cif1);
}
if (ddr.dualview_rate) {
//UNREGISTER_CLK_NOTIFIER(pd_lcdc0);
//UNREGISTER_CLK_NOTIFIER(pd_lcdc1);
}
return ret;
}
late_initcall(ddrfreq_init);

2
include/dt-bindings/clock/ddr.h
View File

@@ -58,6 +58,8 @@
#define SYS_STATUS_LCDC1 (1<<11)
#define SYS_STATUS_BOOST (1<<12)
#define SYS_STATUS_PERFORMANCE (1<<13)
#define SYS_STATUS_ISP (1<<14)
#define SYS_STATUS_DUALVIEW (SYS_STATUS_LCDC0|SYS_STATUS_LCDC1)