From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/drivers/gpu/drm/imx/imx-tve.c | 111 +++++++++++++++++--------------------------------------
1 files changed, 35 insertions(+), 76 deletions(-)
diff --git a/kernel/drivers/gpu/drm/imx/imx-tve.c b/kernel/drivers/gpu/drm/imx/imx-tve.c
index c19c1df..9fe6a47 100644
--- a/kernel/drivers/gpu/drm/imx/imx-tve.c
+++ b/kernel/drivers/gpu/drm/imx/imx-tve.c
@@ -1,32 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* i.MX drm driver - Television Encoder (TVEv2)
*
* Copyright (C) 2013 Philipp Zabel, Pengutronix
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
-#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <linux/clk.h>
#include <linux/component.h>
-#include <linux/module.h>
#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
-#include <linux/spinlock.h>
#include <linux/videodev2.h>
-#include <drm/drmP.h>
+
+#include <video/imx-ipu-v3.h>
+
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fb_helper.h>
-#include <drm/drm_crtc_helper.h>
-#include <video/imx-ipu-v3.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
@@ -109,8 +103,6 @@
struct drm_connector connector;
struct drm_encoder encoder;
struct device *dev;
- spinlock_t lock; /* register lock */
- bool enabled;
int mode;
int di_hsync_pin;
int di_vsync_pin;
@@ -134,30 +126,10 @@
return container_of(e, struct imx_tve, encoder);
}
-static void tve_lock(void *__tve)
-__acquires(&tve->lock)
-{
- struct imx_tve *tve = __tve;
-
- spin_lock(&tve->lock);
-}
-
-static void tve_unlock(void *__tve)
-__releases(&tve->lock)
-{
- struct imx_tve *tve = __tve;
-
- spin_unlock(&tve->lock);
-}
-
static void tve_enable(struct imx_tve *tve)
{
- if (!tve->enabled) {
- tve->enabled = true;
- clk_prepare_enable(tve->clk);
- regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
- TVE_EN, TVE_EN);
- }
+ clk_prepare_enable(tve->clk);
+ regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, TVE_EN);
/* clear interrupt status register */
regmap_write(tve->regmap, TVE_STAT_REG, 0xffffffff);
@@ -174,11 +146,8 @@
static void tve_disable(struct imx_tve *tve)
{
- if (tve->enabled) {
- tve->enabled = false;
- regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0);
- clk_disable_unprepare(tve->clk);
- }
+ regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0);
+ clk_disable_unprepare(tve->clk);
}
static int tve_setup_tvout(struct imx_tve *tve)
@@ -243,8 +212,9 @@
return ret;
}
-static int imx_tve_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
+static enum drm_mode_status
+imx_tve_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
{
struct imx_tve *tve = con_to_tve(connector);
unsigned long rate;
@@ -263,14 +233,6 @@
mode->hdisplay, mode->vdisplay);
return MODE_BAD;
-}
-
-static struct drm_encoder *imx_tve_connector_best_encoder(
- struct drm_connector *connector)
-{
- struct imx_tve *tve = con_to_tve(connector);
-
- return &tve->encoder;
}
static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
@@ -350,12 +312,7 @@
static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
.get_modes = imx_tve_connector_get_modes,
- .best_encoder = imx_tve_connector_best_encoder,
.mode_valid = imx_tve_connector_mode_valid,
-};
-
-static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
- .destroy = imx_drm_encoder_destroy,
};
static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
@@ -442,7 +399,7 @@
return 0;
}
-static struct clk_ops clk_tve_di_ops = {
+static const struct clk_ops clk_tve_di_ops = {
.round_rate = clk_tve_di_round_rate,
.set_rate = clk_tve_di_set_rate,
.recalc_rate = clk_tve_di_recalc_rate,
@@ -485,13 +442,14 @@
return ret;
drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs);
- drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs,
- encoder_type, NULL);
+ drm_simple_encoder_init(drm, &tve->encoder, encoder_type);
drm_connector_helper_add(&tve->connector,
&imx_tve_connector_helper_funcs);
- drm_connector_init(drm, &tve->connector, &imx_tve_connector_funcs,
- DRM_MODE_CONNECTOR_VGA);
+ drm_connector_init_with_ddc(drm, &tve->connector,
+ &imx_tve_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA,
+ tve->ddc);
drm_connector_attach_encoder(&tve->connector, &tve->encoder);
@@ -517,8 +475,7 @@
.readable_reg = imx_tve_readable_reg,
- .lock = tve_lock,
- .unlock = tve_unlock,
+ .fast_io = true,
.max_register = 0xdc,
};
@@ -528,7 +485,7 @@
[TVE_MODE_VGA] = "vga",
};
-static const int of_get_tve_mode(struct device_node *np)
+static int of_get_tve_mode(struct device_node *np)
{
const char *bm;
int ret, i;
@@ -557,12 +514,10 @@
int irq;
int ret;
- tve = devm_kzalloc(dev, sizeof(*tve), GFP_KERNEL);
- if (!tve)
- return -ENOMEM;
+ tve = dev_get_drvdata(dev);
+ memset(tve, 0, sizeof(*tve));
tve->dev = dev;
- spin_lock_init(&tve->lock);
ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
if (ddc_node) {
@@ -609,10 +564,8 @@
}
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "failed to get irq\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_threaded_irq(dev, irq, NULL,
imx_tve_irq_handler, IRQF_ONESHOT,
@@ -673,8 +626,6 @@
if (ret)
return ret;
- dev_set_drvdata(dev, tve);
-
return 0;
}
@@ -684,6 +635,14 @@
static int imx_tve_probe(struct platform_device *pdev)
{
+ struct imx_tve *tve;
+
+ tve = devm_kzalloc(&pdev->dev, sizeof(*tve), GFP_KERNEL);
+ if (!tve)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, tve);
+
return component_add(&pdev->dev, &imx_tve_ops);
}
--
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