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-rw-r--r--drivers/gpu/drm/gma500/cdv_intel_dp.c37
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c37
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c36
-rw-r--r--include/drm/drm_dp_helper.h32
4 files changed, 73 insertions, 69 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c
index f88a1815d87..6a7c2481d4a 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -483,7 +483,7 @@ cdv_intel_dp_aux_native_write(struct gma_encoder *encoder,
if (send_bytes > 16)
return -1;
- msg[0] = AUX_NATIVE_WRITE << 4;
+ msg[0] = DP_AUX_NATIVE_WRITE << 4;
msg[1] = address >> 8;
msg[2] = address & 0xff;
msg[3] = send_bytes - 1;
@@ -493,9 +493,10 @@ cdv_intel_dp_aux_native_write(struct gma_encoder *encoder,
ret = cdv_intel_dp_aux_ch(encoder, msg, msg_bytes, &ack, 1);
if (ret < 0)
return ret;
- if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
+ ack >>= 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK)
break;
- else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
udelay(100);
else
return -EIO;
@@ -523,7 +524,7 @@ cdv_intel_dp_aux_native_read(struct gma_encoder *encoder,
uint8_t ack;
int ret;
- msg[0] = AUX_NATIVE_READ << 4;
+ msg[0] = DP_AUX_NATIVE_READ << 4;
msg[1] = address >> 8;
msg[2] = address & 0xff;
msg[3] = recv_bytes - 1;
@@ -538,12 +539,12 @@ cdv_intel_dp_aux_native_read(struct gma_encoder *encoder,
return -EPROTO;
if (ret < 0)
return ret;
- ack = reply[0];
- if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK) {
+ ack = reply[0] >> 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK) {
memcpy(recv, reply + 1, ret - 1);
return ret - 1;
}
- else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
udelay(100);
else
return -EIO;
@@ -569,12 +570,12 @@ cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
/* Set up the command byte */
if (mode & MODE_I2C_READ)
- msg[0] = AUX_I2C_READ << 4;
+ msg[0] = DP_AUX_I2C_READ << 4;
else
- msg[0] = AUX_I2C_WRITE << 4;
+ msg[0] = DP_AUX_I2C_WRITE << 4;
if (!(mode & MODE_I2C_STOP))
- msg[0] |= AUX_I2C_MOT << 4;
+ msg[0] |= DP_AUX_I2C_MOT << 4;
msg[1] = address >> 8;
msg[2] = address;
@@ -606,16 +607,16 @@ cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
return ret;
}
- switch (reply[0] & AUX_NATIVE_REPLY_MASK) {
- case AUX_NATIVE_REPLY_ACK:
+ switch ((reply[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK) {
+ case DP_AUX_NATIVE_REPLY_ACK:
/* I2C-over-AUX Reply field is only valid
* when paired with AUX ACK.
*/
break;
- case AUX_NATIVE_REPLY_NACK:
+ case DP_AUX_NATIVE_REPLY_NACK:
DRM_DEBUG_KMS("aux_ch native nack\n");
return -EREMOTEIO;
- case AUX_NATIVE_REPLY_DEFER:
+ case DP_AUX_NATIVE_REPLY_DEFER:
udelay(100);
continue;
default:
@@ -624,16 +625,16 @@ cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
return -EREMOTEIO;
}
- switch (reply[0] & AUX_I2C_REPLY_MASK) {
- case AUX_I2C_REPLY_ACK:
+ switch ((reply[0] >> 4) & DP_AUX_I2C_REPLY_MASK) {
+ case DP_AUX_I2C_REPLY_ACK:
if (mode == MODE_I2C_READ) {
*read_byte = reply[1];
}
return reply_bytes - 1;
- case AUX_I2C_REPLY_NACK:
+ case DP_AUX_I2C_REPLY_NACK:
DRM_DEBUG_KMS("aux_i2c nack\n");
return -EREMOTEIO;
- case AUX_I2C_REPLY_DEFER:
+ case DP_AUX_I2C_REPLY_DEFER:
DRM_DEBUG_KMS("aux_i2c defer\n");
udelay(100);
break;
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7c54f6267a1..36f13c57457 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -542,7 +542,7 @@ intel_dp_aux_native_write(struct intel_dp *intel_dp,
return -E2BIG;
intel_dp_check_edp(intel_dp);
- msg[0] = AUX_NATIVE_WRITE << 4;
+ msg[0] = DP_AUX_NATIVE_WRITE << 4;
msg[1] = address >> 8;
msg[2] = address & 0xff;
msg[3] = send_bytes - 1;
@@ -552,9 +552,10 @@ intel_dp_aux_native_write(struct intel_dp *intel_dp,
ret = intel_dp_aux_ch(intel_dp, msg, msg_bytes, &ack, 1);
if (ret < 0)
return ret;
- if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
+ ack >>= 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK)
break;
- else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
udelay(100);
else
return -EIO;
@@ -586,7 +587,7 @@ intel_dp_aux_native_read(struct intel_dp *intel_dp,
return -E2BIG;
intel_dp_check_edp(intel_dp);
- msg[0] = AUX_NATIVE_READ << 4;
+ msg[0] = DP_AUX_NATIVE_READ << 4;
msg[1] = address >> 8;
msg[2] = address & 0xff;
msg[3] = recv_bytes - 1;
@@ -601,12 +602,12 @@ intel_dp_aux_native_read(struct intel_dp *intel_dp,
return -EPROTO;
if (ret < 0)
return ret;
- ack = reply[0];
- if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK) {
+ ack = reply[0] >> 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK) {
memcpy(recv, reply + 1, ret - 1);
return ret - 1;
}
- else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
udelay(100);
else
return -EIO;
@@ -633,12 +634,12 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
intel_dp_check_edp(intel_dp);
/* Set up the command byte */
if (mode & MODE_I2C_READ)
- msg[0] = AUX_I2C_READ << 4;
+ msg[0] = DP_AUX_I2C_READ << 4;
else
- msg[0] = AUX_I2C_WRITE << 4;
+ msg[0] = DP_AUX_I2C_WRITE << 4;
if (!(mode & MODE_I2C_STOP))
- msg[0] |= AUX_I2C_MOT << 4;
+ msg[0] |= DP_AUX_I2C_MOT << 4;
msg[1] = address >> 8;
msg[2] = address;
@@ -675,17 +676,17 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
goto out;
}
- switch (reply[0] & AUX_NATIVE_REPLY_MASK) {
- case AUX_NATIVE_REPLY_ACK:
+ switch ((reply[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK) {
+ case DP_AUX_NATIVE_REPLY_ACK:
/* I2C-over-AUX Reply field is only valid
* when paired with AUX ACK.
*/
break;
- case AUX_NATIVE_REPLY_NACK:
+ case DP_AUX_NATIVE_REPLY_NACK:
DRM_DEBUG_KMS("aux_ch native nack\n");
ret = -EREMOTEIO;
goto out;
- case AUX_NATIVE_REPLY_DEFER:
+ case DP_AUX_NATIVE_REPLY_DEFER:
/*
* For now, just give more slack to branch devices. We
* could check the DPCD for I2C bit rate capabilities,
@@ -706,18 +707,18 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
goto out;
}
- switch (reply[0] & AUX_I2C_REPLY_MASK) {
- case AUX_I2C_REPLY_ACK:
+ switch ((reply[0] >> 4) & DP_AUX_I2C_REPLY_MASK) {
+ case DP_AUX_I2C_REPLY_ACK:
if (mode == MODE_I2C_READ) {
*read_byte = reply[1];
}
ret = reply_bytes - 1;
goto out;
- case AUX_I2C_REPLY_NACK:
+ case DP_AUX_I2C_REPLY_NACK:
DRM_DEBUG_KMS("aux_i2c nack\n");
ret = -EREMOTEIO;
goto out;
- case AUX_I2C_REPLY_DEFER:
+ case DP_AUX_I2C_REPLY_DEFER:
DRM_DEBUG_KMS("aux_i2c defer\n");
udelay(100);
break;
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index fb3ae07a146..37289f67f96 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -157,7 +157,7 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
msg[0] = address;
msg[1] = address >> 8;
- msg[2] = AUX_NATIVE_WRITE << 4;
+ msg[2] = DP_AUX_NATIVE_WRITE << 4;
msg[3] = (msg_bytes << 4) | (send_bytes - 1);
memcpy(&msg[4], send, send_bytes);
@@ -168,9 +168,10 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
continue;
else if (ret < 0)
return ret;
- if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
+ ack >>= 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK)
return send_bytes;
- else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
udelay(400);
else
return -EIO;
@@ -191,7 +192,7 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
msg[0] = address;
msg[1] = address >> 8;
- msg[2] = AUX_NATIVE_READ << 4;
+ msg[2] = DP_AUX_NATIVE_READ << 4;
msg[3] = (msg_bytes << 4) | (recv_bytes - 1);
for (retry = 0; retry < 4; retry++) {
@@ -201,9 +202,10 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
continue;
else if (ret < 0)
return ret;
- if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
+ ack >>= 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK)
return ret;
- else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
udelay(400);
else if (ret == 0)
return -EPROTO;
@@ -246,12 +248,12 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
/* Set up the command byte */
if (mode & MODE_I2C_READ)
- msg[2] = AUX_I2C_READ << 4;
+ msg[2] = DP_AUX_I2C_READ << 4;
else
- msg[2] = AUX_I2C_WRITE << 4;
+ msg[2] = DP_AUX_I2C_WRITE << 4;
if (!(mode & MODE_I2C_STOP))
- msg[2] |= AUX_I2C_MOT << 4;
+ msg[2] |= DP_AUX_I2C_MOT << 4;
msg[0] = address;
msg[1] = address >> 8;
@@ -282,16 +284,16 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
return ret;
}
- switch (ack & AUX_NATIVE_REPLY_MASK) {
- case AUX_NATIVE_REPLY_ACK:
+ switch ((ack >> 4) & DP_AUX_NATIVE_REPLY_MASK) {
+ case DP_AUX_NATIVE_REPLY_ACK:
/* I2C-over-AUX Reply field is only valid
* when paired with AUX ACK.
*/
break;
- case AUX_NATIVE_REPLY_NACK:
+ case DP_AUX_NATIVE_REPLY_NACK:
DRM_DEBUG_KMS("aux_ch native nack\n");
return -EREMOTEIO;
- case AUX_NATIVE_REPLY_DEFER:
+ case DP_AUX_NATIVE_REPLY_DEFER:
DRM_DEBUG_KMS("aux_ch native defer\n");
udelay(400);
continue;
@@ -300,15 +302,15 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
return -EREMOTEIO;
}
- switch (ack & AUX_I2C_REPLY_MASK) {
- case AUX_I2C_REPLY_ACK:
+ switch ((ack >> 4) & DP_AUX_I2C_REPLY_MASK) {
+ case DP_AUX_I2C_REPLY_ACK:
if (mode == MODE_I2C_READ)
*read_byte = reply[0];
return ret;
- case AUX_I2C_REPLY_NACK:
+ case DP_AUX_I2C_REPLY_NACK:
DRM_DEBUG_KMS("aux_i2c nack\n");
return -EREMOTEIO;
- case AUX_I2C_REPLY_DEFER:
+ case DP_AUX_I2C_REPLY_DEFER:
DRM_DEBUG_KMS("aux_i2c defer\n");
udelay(400);
break;
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a92c3754e3b..c873f9ce587 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -41,22 +41,22 @@
* 1.2 formally includes both eDP and DPI definitions.
*/
-#define AUX_NATIVE_WRITE 0x8
-#define AUX_NATIVE_READ 0x9
-#define AUX_I2C_WRITE 0x0
-#define AUX_I2C_READ 0x1
-#define AUX_I2C_STATUS 0x2
-#define AUX_I2C_MOT 0x4
-
-#define AUX_NATIVE_REPLY_ACK (0x0 << 4)
-#define AUX_NATIVE_REPLY_NACK (0x1 << 4)
-#define AUX_NATIVE_REPLY_DEFER (0x2 << 4)
-#define AUX_NATIVE_REPLY_MASK (0x3 << 4)
-
-#define AUX_I2C_REPLY_ACK (0x0 << 6)
-#define AUX_I2C_REPLY_NACK (0x1 << 6)
-#define AUX_I2C_REPLY_DEFER (0x2 << 6)
-#define AUX_I2C_REPLY_MASK (0x3 << 6)
+#define DP_AUX_I2C_WRITE 0x0
+#define DP_AUX_I2C_READ 0x1
+#define DP_AUX_I2C_STATUS 0x2
+#define DP_AUX_I2C_MOT 0x4
+#define DP_AUX_NATIVE_WRITE 0x8
+#define DP_AUX_NATIVE_READ 0x9
+
+#define DP_AUX_NATIVE_REPLY_ACK (0x0 << 0)
+#define DP_AUX_NATIVE_REPLY_NACK (0x1 << 0)
+#define DP_AUX_NATIVE_REPLY_DEFER (0x2 << 0)
+#define DP_AUX_NATIVE_REPLY_MASK (0x3 << 0)
+
+#define DP_AUX_I2C_REPLY_ACK (0x0 << 2)
+#define DP_AUX_I2C_REPLY_NACK (0x1 << 2)
+#define DP_AUX_I2C_REPLY_DEFER (0x2 << 2)
+#define DP_AUX_I2C_REPLY_MASK (0x3 << 2)
/* AUX CH addresses */
/* DPCD */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-10 20:21:41 +0000