Signed-off-by: Francisco Jerez curroje...@riseup.net
Tested-by: Patrice Mandin patman...@gmail.com
---
I've placed the Kconfig entry next to the other slave encoders Nouveau
makes use of, I think that's OK because Nouveau is its only user.
In theory i915 could also benefit from it (i915 already has some
private code to program these chips but it's mostly a stub
implementation), I don't have the hardware so I think I'll leave it
alone for now.
drivers/gpu/drm/i2c/Makefile |3 +
drivers/gpu/drm/i2c/sil164_drv.c | 462 ++
drivers/gpu/drm/nouveau/Kconfig |9 +
include/drm/i2c/sil164.h | 63 +
4 files changed, 537 insertions(+), 0 deletions(-)
create mode 100644 drivers/gpu/drm/i2c/sil164_drv.c
create mode 100644 include/drm/i2c/sil164.h
diff --git a/drivers/gpu/drm/i2c/Makefile b/drivers/gpu/drm/i2c/Makefile
index 6d2abaf..9286256 100644
--- a/drivers/gpu/drm/i2c/Makefile
+++ b/drivers/gpu/drm/i2c/Makefile
@@ -2,3 +2,6 @@ ccflags-y := -Iinclude/drm
ch7006-y := ch7006_drv.o ch7006_mode.o
obj-$(CONFIG_DRM_I2C_CH7006) += ch7006.o
+
+sil164-y := sil164_drv.o
+obj-$(CONFIG_DRM_I2C_SIL164) += sil164.o
diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c
new file mode 100644
index 000..0b67732
--- /dev/null
+++ b/drivers/gpu/drm/i2c/sil164_drv.c
@@ -0,0 +1,462 @@
+/*
+ * Copyright (C) 2010 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * Software), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include drmP.h
+#include drm_crtc_helper.h
+#include drm_encoder_slave.h
+#include i2c/sil164.h
+
+struct sil164_priv {
+ struct sil164_encoder_params config;
+ struct i2c_client *duallink_slave;
+
+ uint8_t saved_state[0x10];
+ uint8_t saved_slave_state[0x10];
+};
+
+#define to_sil164_priv(x) \
+ ((struct sil164_priv *)to_encoder_slave(x)-slave_priv)
+
+#define sil164_dbg(client, format, ...) do { \
+ if (drm_debug DRM_UT_KMS) \
+ dev_printk(KERN_DEBUG, client-dev,\
+ %s: format, __func__, ## __VA_ARGS__); \
+ } while (0)
+#define sil164_info(client, format, ...) \
+ dev_info(client-dev, format, __VA_ARGS__)
+#define sil164_err(client, format, ...)\
+ dev_err(client-dev, format, __VA_ARGS__)
+
+#define SIL164_I2C_ADDR_MASTER 0x38
+#define SIL164_I2C_ADDR_SLAVE 0x39
+
+/* HW register definitions */
+
+#define SIL164_VENDOR_LO 0x0
+#define SIL164_VENDOR_HI 0x1
+#define SIL164_DEVICE_LO 0x2
+#define SIL164_DEVICE_HI 0x3
+#define SIL164_REVISION0x4
+#define SIL164_FREQ_MIN0x6
+#define SIL164_FREQ_MAX0x7
+#define SIL164_CONTROL00x8
+# define SIL164_CONTROL0_POWER_ON 0x01
+# define SIL164_CONTROL0_EDGE_RISING 0x02
+# define SIL164_CONTROL0_INPUT_24BIT 0x04
+# define SIL164_CONTROL0_DUAL_EDGE0x08
+# define SIL164_CONTROL0_HSYNC_ON 0x10
+# define SIL164_CONTROL0_VSYNC_ON 0x20
+#define SIL164_DETECT 0x9
+# define SIL164_DETECT_INTR_STAT 0x01
+# define SIL164_DETECT_HOTPLUG_STAT 0x02
+# define SIL164_DETECT_RECEIVER_STAT 0x04
+# define SIL164_DETECT_INTR_MODE_RECEIVER 0x00
+# define SIL164_DETECT_INTR_MODE_HOTPLUG 0x08
+# define SIL164_DETECT_OUT_MODE_HIGH 0x00
+# define SIL164_DETECT_OUT_MODE_INTR 0x10
+# define SIL164_DETECT_OUT_MODE_RECEIVER 0x20
+# define SIL164_DETECT_OUT_MODE_HOTPLUG 0x30
+# define
