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Message-ID: <20191128180018.12073-3-bogdan.togorean@analog.com>
Date: Thu, 28 Nov 2019 20:00:20 +0200
From: Bogdan Togorean <bogdan.togorean@...log.com>
To: <dri-devel@...ts.freedesktop.org>
CC: <airlied@...ux.ie>, <daniel@...ll.ch>, <robh+dt@...nel.org>,
<mark.rutland@....com>, <a.hajda@...sung.com>,
<narmstrong@...libre.com>, <Laurent.pinchart@...asonboard.com>,
<jonas@...boo.se>, <jernej.skrabec@...l.net>,
<gregkh@...uxfoundation.org>, <tglx@...utronix.de>,
<sam@...nborg.org>, <alexander.deucher@....com>,
<matt.redfearn@...nci.com>, <robdclark@...omium.org>,
<wsa+renesas@...g-engineering.com>, <linux-kernel@...r.kernel.org>,
Bogdan Togorean <bogdan.togorean@...log.com>
Subject: [PATCH v3 2/2] drm: bridge: adv7511: Add support for ADV7535
ADV7535 is a DSI to HDMI bridge chip like ADV7533 but it allows
1080p@...z. v1p2 is fixed to 1.8V on ADV7535 but on ADV7533 can be 1.2V
or 1.8V and is configurable in a register.
Signed-off-by: Bogdan Togorean <bogdan.togorean@...log.com>
---
drivers/gpu/drm/bridge/adv7511/Kconfig | 13 ++----
drivers/gpu/drm/bridge/adv7511/Makefile | 3 +-
drivers/gpu/drm/bridge/adv7511/adv7511.h | 44 +++-----------------
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 35 ++++++++++------
4 files changed, 32 insertions(+), 63 deletions(-)
diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig
index 8a56ff81f4fb..47d4eb9e845d 100644
--- a/drivers/gpu/drm/bridge/adv7511/Kconfig
+++ b/drivers/gpu/drm/bridge/adv7511/Kconfig
@@ -4,8 +4,9 @@ config DRM_I2C_ADV7511
depends on OF
select DRM_KMS_HELPER
select REGMAP_I2C
+ select DRM_MIPI_DSI
help
- Support for the Analog Device ADV7511(W) and ADV7513 HDMI encoders.
+ Support for the Analog Device ADV7511(W)/13/33/35 HDMI encoders.
config DRM_I2C_ADV7511_AUDIO
bool "ADV7511 HDMI Audio driver"
@@ -15,16 +16,8 @@ config DRM_I2C_ADV7511_AUDIO
Support the ADV7511 HDMI Audio interface. This is used in
conjunction with the AV7511 HDMI driver.
-config DRM_I2C_ADV7533
- bool "ADV7533 encoder"
- depends on DRM_I2C_ADV7511
- select DRM_MIPI_DSI
- default y
- help
- Support for the Analog Devices ADV7533 DSI to HDMI encoder.
-
config DRM_I2C_ADV7511_CEC
- bool "ADV7511/33 HDMI CEC driver"
+ bool "ADV7511/33/35 HDMI CEC driver"
depends on DRM_I2C_ADV7511
select CEC_CORE
default y
diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile
index b46ebeb35fd4..d8ceb534b51f 100644
--- a/drivers/gpu/drm/bridge/adv7511/Makefile
+++ b/drivers/gpu/drm/bridge/adv7511/Makefile
@@ -1,6 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
-adv7511-y := adv7511_drv.o
+adv7511-y := adv7511_drv.o adv7533.o
adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o
adv7511-$(CONFIG_DRM_I2C_ADV7511_CEC) += adv7511_cec.o
-adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o
obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
index 52b2adfdc877..ed9cfd944098 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
@@ -220,6 +220,10 @@
#define ADV7533_REG_CEC_OFFSET 0x70
+#define ADV7533_REG_SUPPLY_SELECT 0xe4
+
+#define ADV7533_V1P2_ENABLE BIT(7)
+
enum adv7511_input_clock {
ADV7511_INPUT_CLOCK_1X,
ADV7511_INPUT_CLOCK_2X,
@@ -320,6 +324,7 @@ struct adv7511_video_config {
enum adv7511_type {
ADV7511,
ADV7533,
+ ADV7535,
};
#define ADV7511_MAX_ADDRS 3
@@ -393,7 +398,6 @@ static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
}
#endif
-#ifdef CONFIG_DRM_I2C_ADV7533
void adv7533_dsi_power_on(struct adv7511 *adv);
void adv7533_dsi_power_off(struct adv7511 *adv);
void adv7533_mode_set(struct adv7511 *adv, const struct drm_display_mode *mode);
@@ -402,44 +406,6 @@ int adv7533_patch_cec_registers(struct adv7511 *adv);
int adv7533_attach_dsi(struct adv7511 *adv);
void adv7533_detach_dsi(struct adv7511 *adv);
int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv);
-#else
-static inline void adv7533_dsi_power_on(struct adv7511 *adv)
-{
-}
-
-static inline void adv7533_dsi_power_off(struct adv7511 *adv)
-{
-}
-
-static inline void adv7533_mode_set(struct adv7511 *adv,
- const struct drm_display_mode *mode)
-{
-}
-
-static inline int adv7533_patch_registers(struct adv7511 *adv)
-{
- return -ENODEV;
-}
-
-static inline int adv7533_patch_cec_registers(struct adv7511 *adv)
-{
- return -ENODEV;
-}
-
-static inline int adv7533_attach_dsi(struct adv7511 *adv)
-{
- return -ENODEV;
-}
-
-static inline void adv7533_detach_dsi(struct adv7511 *adv)
-{
-}
-
-static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv)
-{
- return -ENODEV;
-}
-#endif
#ifdef CONFIG_DRM_I2C_ADV7511_AUDIO
int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511);
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 9e13e466e72c..35595472e771 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -367,7 +367,7 @@ static void adv7511_power_on(struct adv7511 *adv7511)
*/
regcache_sync(adv7511->regmap);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_dsi_power_on(adv7511);
adv7511->powered = true;
}
@@ -387,7 +387,7 @@ static void __adv7511_power_off(struct adv7511 *adv7511)
static void adv7511_power_off(struct adv7511 *adv7511)
{
__adv7511_power_off(adv7511);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_dsi_power_off(adv7511);
adv7511->powered = false;
}
@@ -761,7 +761,7 @@ static void adv7511_mode_set(struct adv7511 *adv7511,
regmap_update_bits(adv7511->regmap, 0x17,
0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_mode_set(adv7511, adj_mode);
drm_mode_copy(&adv7511->curr_mode, adj_mode);
@@ -874,7 +874,7 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge)
&adv7511_connector_helper_funcs);
drm_connector_attach_encoder(&adv->connector, bridge->encoder);
- if (adv->type == ADV7533)
+ if (adv->type == ADV7533 || adv->type == ADV7535)
ret = adv7533_attach_dsi(adv);
if (adv->i2c_main->irq)
@@ -903,6 +903,7 @@ static const char * const adv7511_supply_names[] = {
"dvdd-3v",
};
+/* The order of entries is important. If changed update hardcoded indices */
static const char * const adv7533_supply_names[] = {
"avdd",
"dvdd",
@@ -952,7 +953,7 @@ static bool adv7511_cec_register_volatile(struct device *dev, unsigned int reg)
struct i2c_client *i2c = to_i2c_client(dev);
struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
reg -= ADV7533_REG_CEC_OFFSET;
switch (reg) {
@@ -994,7 +995,7 @@ static int adv7511_init_cec_regmap(struct adv7511 *adv)
goto err;
}
- if (adv->type == ADV7533) {
+ if (adv->type == ADV7533 || adv->type == ADV7535) {
ret = adv7533_patch_cec_registers(adv);
if (ret)
goto err;
@@ -1094,8 +1095,9 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
struct adv7511_link_config link_config;
struct adv7511 *adv7511;
struct device *dev = &i2c->dev;
+ struct regulator *reg_v1p2;
unsigned int val;
- int ret;
+ int ret, reg_v1p2_uV;
if (!dev->of_node)
return -EINVAL;
@@ -1163,6 +1165,17 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
if (ret)
goto uninit_regulators;
+ if (adv7511->type == ADV7533) {
+ reg_v1p2 = adv7511->supplies[5].consumer;
+ reg_v1p2_uV = regulator_get_voltage(reg_v1p2);
+
+ if (reg_v1p2_uV == 1200000) {
+ regmap_update_bits(adv7511->regmap,
+ ADV7533_REG_SUPPLY_SELECT, ADV7533_V1P2_ENABLE,
+ ADV7533_V1P2_ENABLE);
+ }
+ }
+
adv7511_packet_disable(adv7511, 0xffff);
adv7511->i2c_edid = i2c_new_ancillary_device(i2c, "edid",
@@ -1242,7 +1255,7 @@ static int adv7511_remove(struct i2c_client *i2c)
{
struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_detach_dsi(adv7511);
i2c_unregister_device(adv7511->i2c_cec);
if (adv7511->cec_clk)
@@ -1266,9 +1279,8 @@ static const struct i2c_device_id adv7511_i2c_ids[] = {
{ "adv7511", ADV7511 },
{ "adv7511w", ADV7511 },
{ "adv7513", ADV7511 },
-#ifdef CONFIG_DRM_I2C_ADV7533
{ "adv7533", ADV7533 },
-#endif
+ { "adv7535", ADV7535 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids);
@@ -1277,9 +1289,8 @@ static const struct of_device_id adv7511_of_ids[] = {
{ .compatible = "adi,adv7511", .data = (void *)ADV7511 },
{ .compatible = "adi,adv7511w", .data = (void *)ADV7511 },
{ .compatible = "adi,adv7513", .data = (void *)ADV7511 },
-#ifdef CONFIG_DRM_I2C_ADV7533
{ .compatible = "adi,adv7533", .data = (void *)ADV7533 },
-#endif
+ { .compatible = "adi,adv7535", .data = (void *)ADV7535 },
{ }
};
MODULE_DEVICE_TABLE(of, adv7511_of_ids);
--
2.23.0
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