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ge2d: change ge2d to independent power [1/1]

Browse Source 
PD#SWPL-5391

Problem:
change ge2d to independent power

Solution:
add independent power switch

Verify:
verified on SM1-AC200 board

Change-Id: Ifce980fc88753db63317c11bc1126e492b677a64
Signed-off-by: Jian Cao <jian.cao@amlogic.com>
This commit is contained in:
Jian Cao
2019-03-20 17:37:08 +08:00
committed by Luke Go
parent b9f923d686
commit 11b3e3c263
7 changed files with 145 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/boot/dts/amlogic/mesonsm1.dtsi
View File

@@ -1192,9 +1192,9 @@
};
ge2d {
compatible = "amlogic, ge2d-g12a";
compatible = "amlogic, ge2d-sm1";
dev_name = "ge2d";
status = "disabled";
status = "okay";
interrupts = <0 146 1>;
interrupt-names = "ge2d";
clocks = <&clkc CLKID_VAPB_MUX>,

4
arch/arm64/boot/dts/amlogic/mesonsm1.dtsi
View File

@@ -1192,9 +1192,9 @@
};
ge2d {
compatible = "amlogic, ge2d-g12a";
compatible = "amlogic, ge2d-sm1";
dev_name = "ge2d";
status = "disabled";
status = "okay";
interrupts = <0 146 1>;
interrupt-names = "ge2d";
clocks = <&clkc CLKID_VAPB_MUX>,

43
drivers/amlogic/media/common/ge2d/ge2d_io.h
View File

@@ -21,6 +21,7 @@
#include <linux/io.h>
#include <linux/amlogic/iomap.h>
#include <linux/amlogic/cpu_version.h>
#include <linux/amlogic/media/registers/regs/ao_regs.h>
#include "ge2d_log.h"
@@ -129,5 +130,47 @@ static inline void ge2d_reg_set_bits(uint32_t reg,
(((value) & ((1L << (len)) - 1)) << (start))));
}
static void ge2d_hiu_setb(unsigned int _reg, unsigned int _value,
unsigned int _start, unsigned int _len)
{
aml_write_hiubus(_reg, ((aml_read_hiubus(_reg) &
~(((1L << (_len))-1) << (_start))) |
(((_value)&((1L<<(_len))-1)) << (_start))));
}
static void ge2d_ao_setb(unsigned int _reg, unsigned int _value,
unsigned int _start, unsigned int _len)
{
aml_write_aobus(_reg, ((aml_read_aobus(_reg) &
~(((1L << (_len))-1) << (_start))) |
(((_value)&((1L<<(_len))-1)) << (_start))));
}
static void ge2d_c_setb(unsigned int _reg, unsigned int _value,
unsigned int _start, unsigned int _len)
{
aml_write_cbus(_reg, ((aml_read_cbus(_reg) &
~(((1L << (_len))-1) << (_start))) |
(((_value)&((1L<<(_len))-1)) << (_start))));
}
static inline void ge2d_set_bus_bits(unsigned int bus_type,
unsigned int reg, unsigned int val,
unsigned int start, unsigned int len)
{
switch (bus_type) {
case CBUS_BASE:
ge2d_c_setb(reg, val, start, len);
break;
case AOBUS_BASE:
ge2d_ao_setb(reg, val, start, len);
break;
case HIUBUS_BASE:
ge2d_hiu_setb(reg, val, start, len);
break;
default:
ge2d_log_err("unsupported bus type\n");
break;
}
}
#endif

46
drivers/amlogic/media/common/ge2d/ge2d_main.c
View File

@@ -39,6 +39,7 @@
/* Amlogic Headers */
#include <linux/amlogic/media/ge2d/ge2d.h>
#include <linux/amlogic/media/ge2d/ge2d_cmd.h>
#include <linux/amlogic/media/registers/regs/ao_regs.h>
#include <linux/amlogic/media/vpu/vpu.h>
#include <linux/amlogic/cpu_version.h>
#ifdef CONFIG_AMLOGIC_ION
@@ -52,6 +53,7 @@
#define GE2D_CLASS_NAME "ge2d"
#define MAX_GE2D_CLK 500000000
#define HHI_MEM_PD_REG0 0x40
struct ge2d_device_s {
char name[20];
@@ -1032,6 +1034,26 @@ static int ge2d_release(struct inode *inode, struct file *file)
return -1;
}
static struct ge2d_ctrl_s default_poweron_ctrl[] = {
/* power up ge2d */
{AOBUS_BASE, AO_RTI_GEN_PWR_SLEEP0, 0, 19, 1, 0},
/* Power up memory */
{HIUBUS_BASE, HHI_MEM_PD_REG0, 0, 18, 8, 100},
/* remove isolation */
{AOBUS_BASE, AO_RTI_GEN_PWR_ISO0, 0, 19, 1, 0}
};
static struct ge2d_ctrl_s default_poweroff_ctrl[] = {
/* add isolation */
{AOBUS_BASE, AO_RTI_GEN_PWR_ISO0, 1, 19, 1, 0},
/* Power down memory */
{HIUBUS_BASE, HHI_MEM_PD_REG0, 0xff, 18, 8, 0},
/* power down ge2d */
{AOBUS_BASE, AO_RTI_GEN_PWR_SLEEP0, 1, 19, 1, 0}
};
struct ge2d_power_table_s default_poweron_table = {3, default_poweron_ctrl};
struct ge2d_power_table_s default_poweroff_table = {3, default_poweroff_ctrl};
static struct ge2d_device_data_s ge2d_gxl = {
.ge2d_rate = 400000000,
.src2_alp = 0,
@@ -1039,6 +1061,7 @@ static struct ge2d_device_data_s ge2d_gxl = {
.deep_color = 0,
.hang_flag = 0,
.fifo = 0,
.has_self_pwr = 0,
};
static struct ge2d_device_data_s ge2d_gxm = {
@@ -1048,6 +1071,7 @@ static struct ge2d_device_data_s ge2d_gxm = {
.deep_color = 0,
.hang_flag = 0,
.fifo = 0,
.has_self_pwr = 0,
};
static struct ge2d_device_data_s ge2d_txl = {
@@ -1057,6 +1081,7 @@ static struct ge2d_device_data_s ge2d_txl = {
.deep_color = 1,
.hang_flag = 0,
.fifo = 0,
.has_self_pwr = 0,
};
static struct ge2d_device_data_s ge2d_txlx = {
@@ -1066,6 +1091,7 @@ static struct ge2d_device_data_s ge2d_txlx = {
.deep_color = 1,
.hang_flag = 1,
.fifo = 1,
.has_self_pwr = 0,
};
static struct ge2d_device_data_s ge2d_axg = {
@@ -1075,6 +1101,7 @@ static struct ge2d_device_data_s ge2d_axg = {
.deep_color = 1,
.hang_flag = 1,
.fifo = 1,
.has_self_pwr = 0,
};
static struct ge2d_device_data_s ge2d_g12a = {
@@ -1084,6 +1111,19 @@ static struct ge2d_device_data_s ge2d_g12a = {
.deep_color = 1,
.hang_flag = 1,
.fifo = 1,
.has_self_pwr = 0,
};
static struct ge2d_device_data_s ge2d_sm1 = {
.ge2d_rate = 500000000,
.src2_alp = 1,
.canvas_status = 0,
.deep_color = 1,
.hang_flag = 1,
.fifo = 1,
.has_self_pwr = 1,
.poweron_table = &default_poweron_table,
.poweroff_table = &default_poweroff_table,
};
static const struct of_device_id ge2d_dt_match[] = {
@@ -1111,6 +1151,10 @@ static const struct of_device_id ge2d_dt_match[] = {
.compatible = "amlogic, ge2d-g12a",
.data = &ge2d_g12a,
},
{
.compatible = "amlogic, ge2d-sm1",
.data = &ge2d_sm1,
},
{},
};
@@ -1171,6 +1215,7 @@ static int ge2d_probe(struct platform_device *pdev)
goto failed1;
}
ge2d_log_info("clock clk_ge2d source %p\n", clk);
ge2d_pwr_config(true);
clk_prepare_enable(clk);
clk_vapb0 = devm_clk_get(&pdev->dev, "clk_vapb_0");
@@ -1240,6 +1285,7 @@ static int ge2d_remove(struct platform_device *pdev)
ge2d_log_info("%s\n", __func__);
ge2d_wq_deinit();
remove_ge2d_device();
ge2d_pwr_config(false);
return 0;
}

28
drivers/amlogic/media/common/ge2d/ge2d_wq.c
View File

@@ -26,6 +26,7 @@
#include <linux/of_fdt.h>
#include <linux/reset.h>
#include <linux/clk.h>
#include <linux/delay.h>
/* Amlogic Headers */
#include <linux/amlogic/cpu_version.h>
@@ -45,6 +46,7 @@
#include "osd_io.h"
#include "osd_hw.h"
#define OSD1_CANVAS_INDEX 0x40
#define OSD2_CANVAS_INDEX 0x43
#define OSD3_CANVAS_INDEX 0x41
@@ -118,6 +120,32 @@ static const int default_ge2d_color_lut[] = {
GE2D_FORMAT_S32_ARGB,/* BPP_TYPE_32_ARGB=32, */
};
void ge2d_pwr_config(bool enable)
{
int i, table_size;
struct ge2d_ctrl_s tmp;
struct ge2d_ctrl_s *power_table;
if (ge2d_meson_dev.has_self_pwr) {
if (enable) {
power_table = ge2d_meson_dev.poweron_table->power_btale;
table_size = ge2d_meson_dev.poweron_table->table_size;
} else {
power_table =
ge2d_meson_dev.poweroff_table->power_btale;
table_size = ge2d_meson_dev.poweroff_table->table_size;
}
for (i = 0; i < table_size; i++) {
tmp = power_table[i];
ge2d_set_bus_bits(tmp.bus_type, tmp.reg, tmp.val,
tmp.start, tmp.len);
if (tmp.udelay > 0)
udelay(tmp.udelay);
}
}
}
static int ge2d_clk_config(bool enable)
{
if (ge2d_clk == NULL)

1
drivers/amlogic/media/common/ge2d/ge2d_wq.h
View File

@@ -39,4 +39,5 @@ int ge2d_buffer_free(int index);
int ge2d_buffer_export(struct ge2d_dmabuf_exp_s *ge2d_exp_buf);
void ge2d_buffer_dma_flush(int dma_fd);
void ge2d_buffer_cache_flush(int dma_fd);
void ge2d_pwr_config(bool enable);
#endif

23
include/linux/amlogic/media/ge2d/ge2d.h
View File

@@ -1012,6 +1012,26 @@ struct ge2d_dmabuf_exp_s {
};
/* end of ge2d dma buffer define */
enum {
CBUS_BASE,
AOBUS_BASE,
HIUBUS_BASE,
};
struct ge2d_ctrl_s {
unsigned int bus_type;
unsigned int reg;
unsigned int val;
unsigned int start;
unsigned int len;
unsigned int udelay;
};
struct ge2d_power_table_s {
unsigned int table_size;
struct ge2d_ctrl_s *power_btale;
};
struct ge2d_device_data_s {
int ge2d_rate;
int src2_alp;
@@ -1019,6 +1039,9 @@ struct ge2d_device_data_s {
int deep_color;
int hang_flag;
int fifo;
int has_self_pwr;
struct ge2d_power_table_s *poweron_table;
struct ge2d_power_table_s *poweroff_table;
};
extern struct ge2d_device_data_s ge2d_meson_dev;