Re: [PATCH v8 3/4] drm/bridge: anx7625: add MIPI DPI input feature
On Wed, Jun 16, 2021 at 11:16:14AM +0200, Neil Armstrong wrote:
> On 16/06/2021 09:50, Xin Ji wrote:
> > The basic anx7625 driver only support MIPI DSI rx signal input.
> > This patch add MIPI DPI rx input configuration support, after apply
> > this patch, the driver can support DSI rx or DPI rx by adding
> > 'bus-type' in DT.
> >
> > Reviewed-by: Robert Foss
> > Signed-off-by: Xin Ji
> > ---
> > drivers/gpu/drm/bridge/analogix/anx7625.c | 245 --
> > drivers/gpu/drm/bridge/analogix/anx7625.h | 18 +-
> > 2 files changed, 203 insertions(+), 60 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > index 048080e75016..fb2301a92704 100644
> > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > @@ -152,18 +152,18 @@ static int anx7625_write_and(struct anx7625_data *ctx,
> > return anx7625_reg_write(ctx, client, offset, (val & (mask)));
> > }
> >
> > -static int anx7625_write_and_or(struct anx7625_data *ctx,
> > - struct i2c_client *client,
> > - u8 offset, u8 and_mask, u8 or_mask)
> > +static int anx7625_config_bit_matrix(struct anx7625_data *ctx)
> > {
> > - int val;
> > + int i, ret;
> >
> > - val = anx7625_reg_read(ctx, client, offset);
> > - if (val < 0)
> > - return val;
> > + ret = anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
> > + AUDIO_CONTROL_REGISTER, 0x80);
> > + for (i = 0; i < 13; i++)
> > + ret |= anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
> > +VIDEO_BIT_MATRIX_12 + i,
> > +0x18 + i);
> >
> > - return anx7625_reg_write(ctx, client,
> > -offset, (val & and_mask) | (or_mask));
> > + return ret;
> > }
> >
> > static int anx7625_read_ctrl_status_p0(struct anx7625_data *ctx)
> > @@ -221,38 +221,6 @@ static int anx7625_video_mute_control(struct
> > anx7625_data *ctx,
> > return ret;
> > }
> >
> > -static int anx7625_config_audio_input(struct anx7625_data *ctx)
> > -{
> > - struct device *dev = &ctx->client->dev;
> > - int ret;
> > -
> > - /* Channel num */
> > - ret = anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
> > - AUDIO_CHANNEL_STATUS_6, I2S_CH_2 << 5);
> > -
> > - /* FS */
> > - ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
> > - AUDIO_CHANNEL_STATUS_4,
> > - 0xf0, AUDIO_FS_48K);
> > - /* Word length */
> > - ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
> > - AUDIO_CHANNEL_STATUS_5,
> > - 0xf0, AUDIO_W_LEN_24_24MAX);
> > - /* I2S */
> > - ret |= anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
> > - AUDIO_CHANNEL_STATUS_6, I2S_SLAVE_MODE);
> > - ret |= anx7625_write_and(ctx, ctx->i2c.tx_p2_client,
> > -AUDIO_CONTROL_REGISTER, ~TDM_TIMING_MODE);
> > - /* Audio change flag */
> > - ret |= anx7625_write_or(ctx, ctx->i2c.rx_p0_client,
> > - AP_AV_STATUS, AP_AUDIO_CHG);
> > -
> > - if (ret < 0)
> > - DRM_DEV_ERROR(dev, "fail to config audio.\n");
> > -
> > - return ret;
> > -}
> > -
> > /* Reduction of fraction a/b */
> > static void anx7625_reduction_of_a_fraction(unsigned long *a, unsigned
> > long *b)
> > {
> > @@ -412,7 +380,7 @@ static int anx7625_dsi_video_timing_config(struct
> > anx7625_data *ctx)
> > ret |= anx7625_write_and(ctx, ctx->i2c.rx_p1_client,
> > MIPI_LANE_CTRL_0, 0xfc);
> > ret |= anx7625_write_or(ctx, ctx->i2c.rx_p1_client,
> > - MIPI_LANE_CTRL_0, 3);
> > + MIPI_LANE_CTRL_0, ctx->pdata.mipi_lanes - 1);
> >
> > /* Htotal */
> > htotal = ctx->dt.hactive.min + ctx->dt.hfront_porch.min +
> > @@ -597,6 +565,76 @@ static int anx7625_dsi_config(struct anx7625_data *ctx)
> > return ret;
> > }
> >
> > +static int anx7625_api_dpi_config(struct anx7625_data *ctx)
> > +{
> > + struct device *dev = &ctx->client->dev;
> > + u16 freq = ctx->dt.pixelclock.min / 1000;
> > + int ret;
> > +
> > + /* configure pixel clock */
> > + ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
> > + PIXEL_CLOCK_L, freq & 0xFF);
> > + ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
> > +PIXEL_CLOCK_H, (freq >> 8));
> > +
> > + /* set DPI mode */
> > + /* set to DPI PLL module sel */
> > + ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
> > +MIPI_DIGITAL_PLL_9, 0x20);
> > + /* power down MIPI */
> > + ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
> > +MIPI_LANE_CTRL_10, 0x08);
> > + /* enable DPI mode *
[PATCH v9 0/4] Add MIPI rx DPI support
Hi all, this patch series implement MIPI rx DPI feature. Please help to review. This is the v9 version, rebase all patches on the latest code. Any mistakes, please let me know, I'll fix it in the next series. Change history: v9: Fix Neil Amstrong comment - use macro define 'V4L2_FWNODE_BUS_TYPE_PARALLEL' instead of fixing value. v8: Fix Laurent Pinchart comment - Expand the commit message v7: - Rebase DT on the latest branch 'drm-misc-next'. - Remove HDCP patch. v6: Fix kernel robot compile warning v5: Fix Rob Herring, Hsin-Yi, Robert Foss comments - Rebase code on the branch 'drm-misc-next', refer video-interfaces.yaml - Seprate HDCP function to a new patch - Fix driver not correctly get 'bus-type' 'data-lanes' - Add audio HDMI codec function support v4: Fix Rob Herring comment - Rebase code on the branch 'drm-misc-next' - Change 'analogix,hdcp-support' type to boolean v3: Fix Rob Herring, Dan Carpenter, Nicolas comment - Split the patch, fix not correct return data - Fix several coding format - Split DP tx swing register setting to two property - Add HDCP support vender flag - remove 'analogix,swing-setting' and 'analogix,mipi-dpi-in' property v2: Fix Rob Herring comment - Fix yamllint warnings/errors in analogix,anx7625.yaml - Fix kernel robot compile warning v1: initial MIPI rx DPI feature support *** BLURB HERE *** Xin Ji (4): dt-bindings:drm/bridge:anx7625:add vendor define flags drm/bridge: anx7625: fix not correct return value drm/bridge: anx7625: add MIPI DPI input feature drm/bridge: anx7625: add HDMI audio function .../display/bridge/analogix,anx7625.yaml | 57 ++- drivers/gpu/drm/bridge/analogix/anx7625.c | 458 -- drivers/gpu/drm/bridge/analogix/anx7625.h | 23 +- 3 files changed, 484 insertions(+), 54 deletions(-) -- 2.25.1 ___ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
[PATCH v9 2/4] drm/bridge: anx7625: fix not correct return value
At some time, the original code may return non zero value, force return 0
if operation finished.
Reviewed-by: Robert Foss
Signed-off-by: Xin Ji
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
b/drivers/gpu/drm/bridge/analogix/anx7625.c
index a3d82377066b..3fc6b7ce7fc7 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -191,10 +191,10 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
AP_AUX_CTRL_STATUS);
if (val < 0 || (val & 0x0F)) {
DRM_DEV_ERROR(dev, "aux status %02x\n", val);
- val = -EIO;
+ return -EIO;
}
- return val;
+ return 0;
}
static int anx7625_video_mute_control(struct anx7625_data *ctx,
--
2.25.1
___
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
[PATCH v9 3/4] drm/bridge: anx7625: add MIPI DPI input feature
The basic anx7625 driver only support MIPI DSI rx signal input.
This patch add MIPI DPI rx input configuration support, after apply
this patch, the driver can support DSI rx or DPI rx by adding
'bus-type' in DT.
Reviewed-by: Robert Foss
Signed-off-by: Xin Ji
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 246 --
drivers/gpu/drm/bridge/analogix/anx7625.h | 18 +-
2 files changed, 204 insertions(+), 60 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 3fc6b7ce7fc7..a5a20cc0f3e0 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -32,6 +32,7 @@
#include
#include
+#include
#include
#include "anx7625.h"
@@ -152,18 +153,18 @@ static int anx7625_write_and(struct anx7625_data *ctx,
return anx7625_reg_write(ctx, client, offset, (val & (mask)));
}
-static int anx7625_write_and_or(struct anx7625_data *ctx,
- struct i2c_client *client,
- u8 offset, u8 and_mask, u8 or_mask)
+static int anx7625_config_bit_matrix(struct anx7625_data *ctx)
{
- int val;
+ int i, ret;
- val = anx7625_reg_read(ctx, client, offset);
- if (val < 0)
- return val;
+ ret = anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
+ AUDIO_CONTROL_REGISTER, 0x80);
+ for (i = 0; i < 13; i++)
+ ret |= anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
+VIDEO_BIT_MATRIX_12 + i,
+0x18 + i);
- return anx7625_reg_write(ctx, client,
-offset, (val & and_mask) | (or_mask));
+ return ret;
}
static int anx7625_read_ctrl_status_p0(struct anx7625_data *ctx)
@@ -221,38 +222,6 @@ static int anx7625_video_mute_control(struct anx7625_data
*ctx,
return ret;
}
-static int anx7625_config_audio_input(struct anx7625_data *ctx)
-{
- struct device *dev = &ctx->client->dev;
- int ret;
-
- /* Channel num */
- ret = anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
- AUDIO_CHANNEL_STATUS_6, I2S_CH_2 << 5);
-
- /* FS */
- ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
- AUDIO_CHANNEL_STATUS_4,
- 0xf0, AUDIO_FS_48K);
- /* Word length */
- ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
- AUDIO_CHANNEL_STATUS_5,
- 0xf0, AUDIO_W_LEN_24_24MAX);
- /* I2S */
- ret |= anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
- AUDIO_CHANNEL_STATUS_6, I2S_SLAVE_MODE);
- ret |= anx7625_write_and(ctx, ctx->i2c.tx_p2_client,
-AUDIO_CONTROL_REGISTER, ~TDM_TIMING_MODE);
- /* Audio change flag */
- ret |= anx7625_write_or(ctx, ctx->i2c.rx_p0_client,
- AP_AV_STATUS, AP_AUDIO_CHG);
-
- if (ret < 0)
- DRM_DEV_ERROR(dev, "fail to config audio.\n");
-
- return ret;
-}
-
/* Reduction of fraction a/b */
static void anx7625_reduction_of_a_fraction(unsigned long *a, unsigned long *b)
{
@@ -412,7 +381,7 @@ static int anx7625_dsi_video_timing_config(struct
anx7625_data *ctx)
ret |= anx7625_write_and(ctx, ctx->i2c.rx_p1_client,
MIPI_LANE_CTRL_0, 0xfc);
ret |= anx7625_write_or(ctx, ctx->i2c.rx_p1_client,
- MIPI_LANE_CTRL_0, 3);
+ MIPI_LANE_CTRL_0, ctx->pdata.mipi_lanes - 1);
/* Htotal */
htotal = ctx->dt.hactive.min + ctx->dt.hfront_porch.min +
@@ -597,6 +566,76 @@ static int anx7625_dsi_config(struct anx7625_data *ctx)
return ret;
}
+static int anx7625_api_dpi_config(struct anx7625_data *ctx)
+{
+ struct device *dev = &ctx->client->dev;
+ u16 freq = ctx->dt.pixelclock.min / 1000;
+ int ret;
+
+ /* configure pixel clock */
+ ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
+ PIXEL_CLOCK_L, freq & 0xFF);
+ ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
+PIXEL_CLOCK_H, (freq >> 8));
+
+ /* set DPI mode */
+ /* set to DPI PLL module sel */
+ ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
+MIPI_DIGITAL_PLL_9, 0x20);
+ /* power down MIPI */
+ ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
+MIPI_LANE_CTRL_10, 0x08);
+ /* enable DPI mode */
+ ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
+MIPI_DIGITAL_PLL_18, 0x1C);
+ /* set first edge */
+ ret |= anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
+
[PATCH v9 4/4] drm/bridge: anx7625: add HDMI audio function
Add audio HDMI codec function support, enable it through device true
flag "analogix,audio-enable".
Reviewed-by: Robert Foss
Signed-off-by: Xin Ji
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 226 ++
drivers/gpu/drm/bridge/analogix/anx7625.h | 5 +
2 files changed, 231 insertions(+)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
b/drivers/gpu/drm/bridge/analogix/anx7625.c
index a5a20cc0f3e0..44ab0893f600 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -33,6 +33,7 @@
#include
#include
+#include
#include
#include "anx7625.h"
@@ -153,6 +154,20 @@ static int anx7625_write_and(struct anx7625_data *ctx,
return anx7625_reg_write(ctx, client, offset, (val & (mask)));
}
+static int anx7625_write_and_or(struct anx7625_data *ctx,
+ struct i2c_client *client,
+ u8 offset, u8 and_mask, u8 or_mask)
+{
+ int val;
+
+ val = anx7625_reg_read(ctx, client, offset);
+ if (val < 0)
+ return val;
+
+ return anx7625_reg_write(ctx, client,
+offset, (val & and_mask) | (or_mask));
+}
+
static int anx7625_config_bit_matrix(struct anx7625_data *ctx)
{
int i, ret;
@@ -1325,6 +1340,9 @@ static int anx7625_parse_dt(struct device *dev,
else
DRM_DEV_DEBUG_DRIVER(dev, "found MIPI DSI host node.\n");
+ if (of_property_read_bool(np, "analogix,audio-enable"))
+ pdata->audio_en = 1;
+
ret = drm_of_find_panel_or_bridge(np, 1, 0, &panel, NULL);
if (ret < 0) {
if (ret == -ENODEV)
@@ -1395,6 +1413,208 @@ static enum drm_connector_status
anx7625_sink_detect(struct anx7625_data *ctx)
connector_status_disconnected;
}
+static int anx7625_audio_hw_params(struct device *dev, void *data,
+ struct hdmi_codec_daifmt *fmt,
+ struct hdmi_codec_params *params)
+{
+ struct anx7625_data *ctx = dev_get_drvdata(dev);
+ int wl, ch, rate;
+ int ret = 0;
+
+ if (fmt->fmt != HDMI_DSP_A) {
+ DRM_DEV_ERROR(dev, "only supports DSP_A\n");
+ return -EINVAL;
+ }
+
+ DRM_DEV_DEBUG_DRIVER(dev, "setting %d Hz, %d bit, %d channels\n",
+params->sample_rate, params->sample_width,
+params->cea.channels);
+
+ ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+ AUDIO_CHANNEL_STATUS_6,
+ ~I2S_SLAVE_MODE,
+ TDM_SLAVE_MODE);
+
+ /* Word length */
+ switch (params->sample_width) {
+ case 16:
+ wl = AUDIO_W_LEN_16_20MAX;
+ break;
+ case 18:
+ wl = AUDIO_W_LEN_18_20MAX;
+ break;
+ case 20:
+ wl = AUDIO_W_LEN_20_20MAX;
+ break;
+ case 24:
+ wl = AUDIO_W_LEN_24_24MAX;
+ break;
+ default:
+ DRM_DEV_DEBUG_DRIVER(dev, "wordlength: %d bit not support",
+params->sample_width);
+ return -EINVAL;
+ }
+ ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+ AUDIO_CHANNEL_STATUS_5,
+ 0xf0, wl);
+
+ /* Channel num */
+ switch (params->cea.channels) {
+ case 2:
+ ch = I2S_CH_2;
+ break;
+ case 4:
+ ch = TDM_CH_4;
+ break;
+ case 6:
+ ch = TDM_CH_6;
+ break;
+ case 8:
+ ch = TDM_CH_8;
+ break;
+ default:
+ DRM_DEV_DEBUG_DRIVER(dev, "channel number: %d not support",
+params->cea.channels);
+ return -EINVAL;
+ }
+ ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+ AUDIO_CHANNEL_STATUS_6, 0x1f, ch << 5);
+ if (ch > I2S_CH_2)
+ ret |= anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
+ AUDIO_CHANNEL_STATUS_6, AUDIO_LAYOUT);
+ else
+ ret |= anx7625_write_and(ctx, ctx->i2c.tx_p2_client,
+ AUDIO_CHANNEL_STATUS_6, ~AUDIO_LAYOUT);
+
+ /* FS */
+ switch (params->sample_rate) {
+ case 32000:
+ rate = AUDIO_FS_32K;
+ break;
+ case 44100:
+ rate = AUDIO_FS_441K;
+ break;
+ case 48000:
+ rate = AUDIO_FS_48K;
+ break;
+ case 88200:
+ rate = AUDIO_FS_882K;
+ break;
+ case 96000:
+ rate = AUDIO_FS_96K;
+ break;
+ case 1
