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drm/rockchip: dsi2: add support software TE mode

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Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I5fd600c9a91dd59cbfaf89765b63b7aa261f3976
This commit is contained in:
Sandy Huang
2021-12-02 20:13:23 +08:00
committed by Tao Huang
parent cc5f5c07a0
commit 2e72e95308
1 changed files with 34 additions and 3 deletions
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37
drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
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@@ -7,10 +7,12 @@
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/gpio.h>
#include <linux/iopoll.h>
#include <linux/math64.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
@@ -268,6 +270,8 @@ struct dw_mipi_dsi2 {
const struct dw_mipi_dsi2_plat_data *pdata;
struct rockchip_drm_sub_dev sub_dev;
struct gpio_desc *te_gpio;
};
static inline struct dw_mipi_dsi2 *host_to_dsi2(struct mipi_dsi_host *host)
@@ -858,8 +862,10 @@ dw_mipi_dsi2_encoder_atomic_check(struct drm_encoder *encoder,
s->tv_state = &conn_state->tv;
s->color_space = V4L2_COLORSPACE_DEFAULT;
if (!(dsi2->mode_flags & MIPI_DSI_MODE_VIDEO))
if (!(dsi2->mode_flags & MIPI_DSI_MODE_VIDEO)) {
s->output_flags |= ROCKCHIP_OUTPUT_MIPI_DS_MODE;
s->hold_mode = true;
}
if (dsi2->slave) {
s->output_flags |= ROCKCHIP_OUTPUT_DUAL_CHANNEL_LEFT_RIGHT_MODE;
@@ -991,6 +997,16 @@ static int dw_mipi_dsi2_dual_channel_probe(struct dw_mipi_dsi2 *dsi2)
return 0;
}
static irqreturn_t dw_mipi_dsi2_te_irq_handler(int irq, void *dev_id)
{
struct dw_mipi_dsi2 *dsi2 = (struct dw_mipi_dsi2 *)dev_id;
struct drm_encoder *encoder = &dsi2->encoder;
rockchip_drm_te_handle(encoder->crtc);
return IRQ_HANDLED;
}
static int dw_mipi_dsi2_get_dsc_params_from_sink(struct dw_mipi_dsi2 *dsi2,
struct drm_panel *panel,
struct drm_bridge *bridge)
@@ -1165,12 +1181,12 @@ static const struct component_ops dw_mipi_dsi2_ops = {
.unbind = dw_mipi_dsi2_unbind,
};
struct irq_data {
struct dsi2_irq_data {
u32 offeset;
char *irq_src;
};
static const struct irq_data dw_mipi_dsi2_irq_data[] = {
static const struct dsi2_irq_data dw_mipi_dsi2_irq_data[] = {
{DSI2_INT_ST_PHY, "int_st_phy"},
{DSI2_INT_ST_TO, "int_st_to"},
{DSI2_INT_ST_ACK, "int_st_ack"},
@@ -1424,6 +1440,21 @@ static int dw_mipi_dsi2_probe(struct platform_device *pdev)
return ret;
}
dsi2->te_gpio = devm_gpiod_get_optional(dsi2->dev, "te", GPIOD_IN);
if (IS_ERR(dsi2->te_gpio))
dsi2->te_gpio = NULL;
if (dsi2->te_gpio) {
ret = devm_request_threaded_irq(dsi2->dev, gpiod_to_irq(dsi2->te_gpio),
NULL, dw_mipi_dsi2_te_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"PANEL-TE", dsi2);
if (ret) {
dev_err(dsi2->dev, "failed to request TE IRQ: %d\n", ret);
return ret;
}
}
ret = devm_request_irq(dev, dsi2->irq, dw_mipi_dsi2_irq_handler,
IRQF_SHARED, dev_name(dev), dsi2);
if (ret) {