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video: rockchip: vop: 3399: add support cmd mode

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Change-Id: I854a108e73947f96efe8a73d842713cab3330c90
Signed-off-by: Huang Jiachai <hjc@rock-chips.com>
This commit is contained in:
Huang Jiachai
2016-10-12 18:15:05 +08:00
parent 42c0b62ce0
commit 2f10ab612c
1 changed files with 56 additions and 0 deletions
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56
drivers/video/rockchip/lcdc/rk322x_lcdc.c
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@@ -37,6 +37,7 @@
#include <linux/rockchip/common.h>
#include <dt-bindings/clock/rk_system_status.h>
#include <soc/rockchip/rkfb_dmc.h>
#include <linux/of_gpio.h>
#include "rk322x_lcdc.h"
@@ -645,6 +646,9 @@ static int vop_pre_init(struct rk_lcdc_driver *dev_drv)
vop_msk_reg(vop_dev, SYS_CTRL, V_AUTO_GATING_EN(0));
vop_msk_reg(vop_dev, DSP_CTRL1, V_DITHER_UP_EN(1));
vop_cfg_done(vop_dev);
if ((dev_drv->cur_screen->refresh_mode == SCREEN_CMD_MODE) &&
(support_uboot_display() == 0))
vop_msk_reg(vop_dev, SYS_CTRL, V_EDPI_WMS_MODE(1));
vop_dev->pre_init = true;
return 0;
@@ -5027,6 +5031,36 @@ int vop_register_dmc(void)
return 0;
}
static int vop_wms_refresh(struct rk_lcdc_driver *dev_drv)
{
struct vop_device *vop_dev =
container_of(dev_drv, struct vop_device, driver);
if (unlikely(!vop_dev->clk_on)) {
dev_info_ratelimited(vop_dev->dev, "%s,clk_on = %d\n",
__func__, vop_dev->clk_on);
return 0;
}
vop_msk_reg_nobak(vop_dev, SYS_CTRL, V_EDPI_WMS_FS(1));
vop_msk_reg(vop_dev, SYS_CTRL, V_EDPI_WMS_MODE(0));
vop_msk_reg(vop_dev, SYS_CTRL, V_EDPI_WMS_MODE(1));
if (dev_drv->trsm_ops && dev_drv->trsm_ops->refresh)
dev_drv->trsm_ops->refresh(0, 0, dev_drv->cur_screen->mode.xres,
dev_drv->cur_screen->mode.yres);
return 0;
}
static irqreturn_t te_irq_handle(int irq, void *dev_id)
{
struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)dev_id;
vop_wms_refresh(dev_drv);
return IRQ_HANDLED;
}
static int vop_probe(struct platform_device *pdev)
{
struct vop_device *vop_dev = NULL;
@@ -5037,6 +5071,7 @@ static int vop_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
int prop;
int ret = 0;
int te_pin;
/* if the primary lcdc has not registered ,the extend
* lcdc register later
@@ -5152,6 +5187,27 @@ static int vop_probe(struct platform_device *pdev)
rk322x_pdev = pdev;
if (dev_drv->cur_screen->refresh_mode == SCREEN_CMD_MODE) {
te_pin = of_get_named_gpio_flags(np, "te-gpio", 0, NULL);
if (IS_ERR_VALUE(te_pin)) {
dev_err(dev, "define te pin for cmd mode!\n");
return 0;
}
ret = devm_gpio_request(dev, te_pin, "vop-te-gpio");
if (ret) {
dev_err(dev, "request gpio %d failed\n", te_pin);
return 0;
}
gpio_direction_input(te_pin);
dev_drv->te_irq = gpio_to_irq(te_pin);
ret = devm_request_threaded_irq(dev,
dev_drv->te_irq,
NULL, te_irq_handle,
IRQ_TYPE_EDGE_FALLING | IRQF_ONESHOT,
"te_irq", dev_drv);
if (ret < 0)
dev_err(dev, "request te irq failed, ret: %d\n", ret);
}
return 0;
}