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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 14:19:54 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 14:19:54 +0900
commit049ffa8ab33a63b3bff672d1a0ee6a35ad253fe8 (patch)
tree70f4c684818b1c9871fa800088427e40d260592e /drivers/gpu/drm/armada/armada_slave.c
parentc681427e5ca22925fcc1be76a2e260a11e0a8498 (diff)
parent0846c728e20a0cd1e43fb75a3015f3b176a26466 (diff)
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is a combo of -next and some -fixes that came in in the intervening time. Highlights: New drivers: ARM Armada driver for Marvell Armada 510 SOCs Intel: Broadwell initial support under a default off switch, Stereo/3D HDMI mode support Valleyview improvements Displayport improvements Haswell fixes initial mipi dsi panel support CRC support for debugging build with CONFIG_FB=n Radeon: enable DPM on a number of GPUs by default secondary GPU powerdown support enable HDMI audio by default Hawaii support Nouveau: dynamic pm code infrastructure reworked, does nothing major yet GK208 modesetting support MSI fixes, on by default again PMPEG improvements pageflipping fixes GMA500: minnowboard SDVO support VMware: misc fixes MSM: prime, plane and rendernodes support Tegra: rearchitected to put the drm driver into the drm subsystem. HDMI and gr2d support for tegra 114 SoC QXL: oops fix, and multi-head fixes DRM core: sysfs lifetime fixes client capability ioctl further cleanups to device midlayer more vblank timestamp fixes" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (789 commits) drm/nouveau: do not map evicted vram buffers in nouveau_bo_vma_add drm/nvc0-/gr: shift wrapping bug in nvc0_grctx_generate_r406800 drm/nouveau/pwr: fix missing mutex unlock in a failure path drm/nv40/therm: fix slowing down fan when pstate undefined drm/nv11-: synchronise flips to vblank, unless async flip requested drm/nvc0-: remove nasty fifo swmthd hack for flip completion method drm/nv10-: we no longer need to create nvsw object on user channels drm/nouveau: always queue flips relative to kernel channel activity drm/nouveau: there is no need to reserve/fence the new fb when flipping drm/nouveau: when bailing out of a pushbuf ioctl, do not remove previous fence drm/nouveau: allow nouveau_fence_ref() to be a noop drm/nvc8/mc: msi rearm is via the nvc0 method drm/ttm: Fix vma page_prot bit manipulation drm/vmwgfx: Fix a couple of compile / sparse warnings and errors drm/vmwgfx: Resource evict fixes drm/edid: compare actual vrefresh for all modes for quirks drm: shmob_drm: Convert to clk_prepare/unprepare drm/nouveau: fix 32-bit build drm/i915/opregion: fix build error on CONFIG_ACPI=n Revert "drm/radeon/audio: don't set speaker allocation on DCE4+" ...
Diffstat (limited to 'drivers/gpu/drm/armada/armada_slave.c')
-rw-r--r--drivers/gpu/drm/armada/armada_slave.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/gpu/drm/armada/armada_slave.c b/drivers/gpu/drm/armada/armada_slave.c
new file mode 100644
index 000000000000..00d0facb42f3
--- /dev/null
+++ b/drivers/gpu/drm/armada/armada_slave.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2012 Russell King
+ * Rewritten from the dovefb driver, and Armada510 manuals.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_encoder_slave.h>
+#include "armada_drm.h"
+#include "armada_output.h"
+#include "armada_slave.h"
+
+static int armada_drm_slave_get_modes(struct drm_connector *conn)
+{
+ struct drm_encoder *enc = armada_drm_connector_encoder(conn);
+ int count = 0;
+
+ if (enc) {
+ struct drm_encoder_slave *slave = to_encoder_slave(enc);
+
+ count = slave->slave_funcs->get_modes(enc, conn);
+ }
+
+ return count;
+}
+
+static void armada_drm_slave_destroy(struct drm_encoder *enc)
+{
+ struct drm_encoder_slave *slave = to_encoder_slave(enc);
+ struct i2c_client *client = drm_i2c_encoder_get_client(enc);
+
+ if (slave->slave_funcs)
+ slave->slave_funcs->destroy(enc);
+ if (client)
+ i2c_put_adapter(client->adapter);
+
+ drm_encoder_cleanup(&slave->base);
+ kfree(slave);
+}
+
+static const struct drm_encoder_funcs armada_drm_slave_encoder_funcs = {
+ .destroy = armada_drm_slave_destroy,
+};
+
+static const struct drm_connector_helper_funcs armada_drm_slave_helper_funcs = {
+ .get_modes = armada_drm_slave_get_modes,
+ .mode_valid = armada_drm_slave_encoder_mode_valid,
+ .best_encoder = armada_drm_connector_encoder,
+};
+
+static const struct drm_encoder_helper_funcs drm_slave_encoder_helpers = {
+ .dpms = drm_i2c_encoder_dpms,
+ .save = drm_i2c_encoder_save,
+ .restore = drm_i2c_encoder_restore,
+ .mode_fixup = drm_i2c_encoder_mode_fixup,
+ .prepare = drm_i2c_encoder_prepare,
+ .commit = drm_i2c_encoder_commit,
+ .mode_set = drm_i2c_encoder_mode_set,
+ .detect = drm_i2c_encoder_detect,
+};
+
+static int
+armada_drm_conn_slave_create(struct drm_connector *conn, const void *data)
+{
+ const struct armada_drm_slave_config *config = data;
+ struct drm_encoder_slave *slave;
+ struct i2c_adapter *adap;
+ int ret;
+
+ conn->interlace_allowed = config->interlace_allowed;
+ conn->doublescan_allowed = config->doublescan_allowed;
+ conn->polled = config->polled;
+
+ drm_connector_helper_add(conn, &armada_drm_slave_helper_funcs);
+
+ slave = kzalloc(sizeof(*slave), GFP_KERNEL);
+ if (!slave)
+ return -ENOMEM;
+
+ slave->base.possible_crtcs = config->crtcs;
+
+ adap = i2c_get_adapter(config->i2c_adapter_id);
+ if (!adap) {
+ kfree(slave);
+ return -EPROBE_DEFER;
+ }
+
+ ret = drm_encoder_init(conn->dev, &slave->base,
+ &armada_drm_slave_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS);
+ if (ret) {
+ DRM_ERROR("unable to init encoder\n");
+ i2c_put_adapter(adap);
+ kfree(slave);
+ return ret;
+ }
+
+ ret = drm_i2c_encoder_init(conn->dev, slave, adap, &config->info);
+ i2c_put_adapter(adap);
+ if (ret) {
+ DRM_ERROR("unable to init encoder slave\n");
+ armada_drm_slave_destroy(&slave->base);
+ return ret;
+ }
+
+ drm_encoder_helper_add(&slave->base, &drm_slave_encoder_helpers);
+
+ ret = slave->slave_funcs->create_resources(&slave->base, conn);
+ if (ret) {
+ armada_drm_slave_destroy(&slave->base);
+ return ret;
+ }
+
+ ret = drm_mode_connector_attach_encoder(conn, &slave->base);
+ if (ret) {
+ armada_drm_slave_destroy(&slave->base);
+ return ret;
+ }
+
+ conn->encoder = &slave->base;
+
+ return ret;
+}
+
+static const struct armada_output_type armada_drm_conn_slave = {
+ .connector_type = DRM_MODE_CONNECTOR_HDMIA,
+ .create = armada_drm_conn_slave_create,
+ .set_property = armada_drm_slave_encoder_set_property,
+};
+
+int armada_drm_connector_slave_create(struct drm_device *dev,
+ const struct armada_drm_slave_config *config)
+{
+ return armada_output_create(dev, &armada_drm_conn_slave, config);
+}