drm/panel: Changes for v4.6-rc1
This contains a refactoring of parts of the DSI core to allow creating DSI devices from non-DSI control busses (i.e. I2C, SPI, ...). Other than that there's support for a couple of new panels as well as a few cleanup patches. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJW6Vc2AAoJEN0jrNd/PrOhh98P+wdrQqsctsSHFuaCpQ9mpgpO qj8M9R1wfeT279e7HpmI0HEWfoPJtC+G2uzIqhmLyBmM9YJIbJK5Bwh6jsYZoNwV Nx4hpBTBW5lwhJGrttDYVyvox+JO2TVcP2/8g4JHBmRd7UHddyeynhBZTAia5xoW 2sfSs3YgkWzVoTXlWPBAliNHZIoA5DOClO3W5n60ubeIB4nVWHhjwA6SX19tkI8U hUWbazJVwtt9C4UP32fxa5fgViJjT3X0HX9qEk7Wr4CJ85j4dvVrjX/vI++qFSFI YE8/zUZS9k2qe8cJWokGpHgiSOAX7+9IA8aZMGxS3tN9fFrUU11vSjVY/nrboFFP 8NRYC/wC6nd7D7ri0b/yNMPefFfwzCYDubGFAwvGKVXjbd/uwZE3jhLuL0bvICvG QVwhOG5ghbBWigie4bwD41GCRrk2pIuh/EefDSAPYmka4MC53CGWFpFXLs1aRVxL CVbaUzFkcqMpU/gDUuPZk2qDcmBat6yG0wcmX5rUIvUVUNTQKkMUSSEH2dxp7fsV YmXu9orGNgnM45Q92e7tVaBEw1sNWyDhdFaLk4QX9I+No2n4JMk14pxH7VuNXufR EqVafpOxregXDaH9Xtg/jVvW1AF+IH/t3S2uuqhRmP6tLQL0kAhnwh1zgDp1o/Pb pC8GiBIt5hzQApOxyYPI =zrRb -----END PGP SIGNATURE----- Merge tag 'drm/panel/for-4.6-rc1' of http://anongit.freedesktop.org/git/tegra/linux into drm-next drm/panel: Changes for v4.6-rc1 This contains a refactoring of parts of the DSI core to allow creating DSI devices from non-DSI control busses (i.e. I2C, SPI, ...). Other than that there's support for a couple of new panels as well as a few cleanup patches. * tag 'drm/panel/for-4.6-rc1' of http://anongit.freedesktop.org/git/tegra/linux: drm/bridge: Make (pre/post) enable/disable callbacks optional drm/panel: simple: Add URT UMSH-8596MD-xT panels support dt-bindings: Add URT UMSH-8596MD-xT panel bindings of: Add United Radiant Technology Corporation vendor prefix drm/panel: simple: Support for LG lp120up1 panel dt-bindings: Add LG lp120up1 panel bindings drm/panel: simple: Fix g121x1_l03 hsync/vsync polarity drm/dsi: Get DSI host by DT device node drm/dsi: Add routine to unregister a DSI device drm/dsi: Try to match non-DT DSI devices drm/dsi: Use mipi_dsi_device_register_full() for DSI device creation drm/dsi: Check for CONFIG_OF when defining of_mipi_dsi_device_add()
This commit is contained in:
Dave Airlie
commit
5e2368a3bb
8 changed files with 262 additions and 16 deletions
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@ -0,0 +1,7 @@
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LG 12.0" (1920x1280 pixels) TFT LCD panel
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Required properties:
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- compatible: should be "lg,lp120up1"
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This binding is compatible with the simple-panel binding, which is specified
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in simple-panel.txt in this directory.
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@ -0,0 +1,16 @@
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United Radiant Technology UMSH-8596MD-xT 7.0" WVGA TFT LCD panel
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Supported are LVDS versions (-11T, -19T) and parallel ones
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(-T, -1T, -7T, -20T).
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Required properties:
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- compatible: should be one of:
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"urt,umsh-8596md-t",
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"urt,umsh-8596md-1t",
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"urt,umsh-8596md-7t",
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"urt,umsh-8596md-11t",
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"urt,umsh-8596md-19t",
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"urt,umsh-8596md-20t".
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This binding is compatible with the simple-panel binding, which is specified
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in simple-panel.txt in this directory.
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@ -240,6 +240,7 @@ tplink TP-LINK Technologies Co., Ltd.
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tronfy Tronfy
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truly Truly Semiconductors Limited
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upisemi uPI Semiconductor Corp.
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urt United Radiant Technology Corporation
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usi Universal Scientific Industrial Co., Ltd.
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v3 V3 Semiconductor
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variscite Variscite Ltd.
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@ -186,7 +186,8 @@ void drm_bridge_disable(struct drm_bridge *bridge)
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drm_bridge_disable(bridge->next);
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bridge->funcs->disable(bridge);
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if (bridge->funcs->disable)
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bridge->funcs->disable(bridge);
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}
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EXPORT_SYMBOL(drm_bridge_disable);
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@ -206,7 +207,8 @@ void drm_bridge_post_disable(struct drm_bridge *bridge)
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if (!bridge)
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return;
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bridge->funcs->post_disable(bridge);
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if (bridge->funcs->post_disable)
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bridge->funcs->post_disable(bridge);
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drm_bridge_post_disable(bridge->next);
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}
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@ -256,7 +258,8 @@ void drm_bridge_pre_enable(struct drm_bridge *bridge)
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drm_bridge_pre_enable(bridge->next);
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bridge->funcs->pre_enable(bridge);
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if (bridge->funcs->pre_enable)
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bridge->funcs->pre_enable(bridge);
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}
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EXPORT_SYMBOL(drm_bridge_pre_enable);
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@ -276,7 +279,8 @@ void drm_bridge_enable(struct drm_bridge *bridge)
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if (!bridge)
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return;
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bridge->funcs->enable(bridge);
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if (bridge->funcs->enable)
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bridge->funcs->enable(bridge);
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drm_bridge_enable(bridge->next);
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}
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@ -47,7 +47,17 @@
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static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv)
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{
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return of_driver_match_device(dev, drv);
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
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/* attempt OF style match */
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if (of_driver_match_device(dev, drv))
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return 1;
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/* compare DSI device and driver names */
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if (!strcmp(dsi->name, drv->name))
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return 1;
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return 0;
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}
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static const struct dev_pm_ops mipi_dsi_device_pm_ops = {
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@ -129,14 +139,20 @@ static int mipi_dsi_device_add(struct mipi_dsi_device *dsi)
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return device_add(&dsi->dev);
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}
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#if IS_ENABLED(CONFIG_OF)
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static struct mipi_dsi_device *
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of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node)
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{
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struct mipi_dsi_device *dsi;
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struct device *dev = host->dev;
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struct mipi_dsi_device_info info = { };
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int ret;
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u32 reg;
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if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) {
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dev_err(dev, "modalias failure on %s\n", node->full_name);
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return ERR_PTR(-EINVAL);
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}
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ret = of_property_read_u32(node, "reg", ®);
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if (ret) {
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dev_err(dev, "device node %s has no valid reg property: %d\n",
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@ -144,32 +160,111 @@ of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node)
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return ERR_PTR(-EINVAL);
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}
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if (reg > 3) {
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dev_err(dev, "device node %s has invalid reg property: %u\n",
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node->full_name, reg);
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info.channel = reg;
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info.node = of_node_get(node);
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return mipi_dsi_device_register_full(host, &info);
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}
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#else
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static struct mipi_dsi_device *
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of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node)
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{
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return ERR_PTR(-ENODEV);
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}
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#endif
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/**
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* mipi_dsi_device_register_full - create a MIPI DSI device
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* @host: DSI host to which this device is connected
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* @info: pointer to template containing DSI device information
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*
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* Create a MIPI DSI device by using the device information provided by
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* mipi_dsi_device_info template
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*
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* Returns:
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* A pointer to the newly created MIPI DSI device, or, a pointer encoded
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* with an error
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*/
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struct mipi_dsi_device *
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mipi_dsi_device_register_full(struct mipi_dsi_host *host,
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const struct mipi_dsi_device_info *info)
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{
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struct mipi_dsi_device *dsi;
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struct device *dev = host->dev;
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int ret;
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if (!info) {
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dev_err(dev, "invalid mipi_dsi_device_info pointer\n");
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return ERR_PTR(-EINVAL);
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}
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if (info->channel > 3) {
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dev_err(dev, "invalid virtual channel: %u\n", info->channel);
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return ERR_PTR(-EINVAL);
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}
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dsi = mipi_dsi_device_alloc(host);
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if (IS_ERR(dsi)) {
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dev_err(dev, "failed to allocate DSI device %s: %ld\n",
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node->full_name, PTR_ERR(dsi));
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dev_err(dev, "failed to allocate DSI device %ld\n",
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PTR_ERR(dsi));
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return dsi;
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}
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dsi->dev.of_node = of_node_get(node);
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dsi->channel = reg;
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dsi->dev.of_node = info->node;
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dsi->channel = info->channel;
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strlcpy(dsi->name, info->type, sizeof(dsi->name));
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ret = mipi_dsi_device_add(dsi);
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if (ret) {
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dev_err(dev, "failed to add DSI device %s: %d\n",
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node->full_name, ret);
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dev_err(dev, "failed to add DSI device %d\n", ret);
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kfree(dsi);
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return ERR_PTR(ret);
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}
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return dsi;
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}
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EXPORT_SYMBOL(mipi_dsi_device_register_full);
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/**
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* mipi_dsi_device_unregister - unregister MIPI DSI device
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* @dsi: DSI peripheral device
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*/
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void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi)
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{
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device_unregister(&dsi->dev);
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}
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EXPORT_SYMBOL(mipi_dsi_device_unregister);
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static DEFINE_MUTEX(host_lock);
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static LIST_HEAD(host_list);
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/**
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* of_find_mipi_dsi_host_by_node() - find the MIPI DSI host matching a
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* device tree node
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* @node: device tree node
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*
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* Returns:
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* A pointer to the MIPI DSI host corresponding to @node or NULL if no
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* such device exists (or has not been registered yet).
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*/
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struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node)
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{
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struct mipi_dsi_host *host;
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mutex_lock(&host_lock);
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list_for_each_entry(host, &host_list, list) {
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if (host->dev->of_node == node) {
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mutex_unlock(&host_lock);
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return host;
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}
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}
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mutex_unlock(&host_lock);
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return NULL;
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}
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EXPORT_SYMBOL(of_find_mipi_dsi_host_by_node);
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int mipi_dsi_host_register(struct mipi_dsi_host *host)
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{
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@ -182,6 +277,10 @@ int mipi_dsi_host_register(struct mipi_dsi_host *host)
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of_mipi_dsi_device_add(host, node);
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}
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mutex_lock(&host_lock);
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list_add_tail(&host->list, &host_list);
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mutex_unlock(&host_lock);
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return 0;
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}
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EXPORT_SYMBOL(mipi_dsi_host_register);
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@ -190,7 +289,7 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
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device_unregister(&dsi->dev);
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mipi_dsi_device_unregister(dsi);
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return 0;
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}
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@ -198,6 +297,10 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv)
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void mipi_dsi_host_unregister(struct mipi_dsi_host *host)
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{
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device_for_each_child(host->dev, NULL, mipi_dsi_remove_device_fn);
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mutex_lock(&host_lock);
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list_del_init(&host->list);
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mutex_unlock(&host_lock);
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}
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EXPORT_SYMBOL(mipi_dsi_host_unregister);
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@ -847,6 +847,7 @@ static const struct drm_display_mode innolux_g121x1_l03_mode = {
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.vsync_end = 768 + 38 + 1,
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.vtotal = 768 + 38 + 1 + 0,
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.vrefresh = 60,
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.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
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};
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static const struct panel_desc innolux_g121x1_l03 = {
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@ -982,6 +983,29 @@ static const struct panel_desc lg_lb070wv8 = {
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.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
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};
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static const struct drm_display_mode lg_lp120up1_mode = {
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.clock = 162300,
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.hdisplay = 1920,
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.hsync_start = 1920 + 40,
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.hsync_end = 1920 + 40 + 40,
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.htotal = 1920 + 40 + 40+ 80,
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.vdisplay = 1280,
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.vsync_start = 1280 + 4,
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.vsync_end = 1280 + 4 + 4,
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.vtotal = 1280 + 4 + 4 + 12,
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.vrefresh = 60,
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};
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static const struct panel_desc lg_lp120up1 = {
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.modes = &lg_lp120up1_mode,
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.num_modes = 1,
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.bpc = 8,
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.size = {
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.width = 267,
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.height = 183,
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},
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};
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static const struct drm_display_mode lg_lp129qe_mode = {
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.clock = 285250,
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.hdisplay = 2560,
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@ -1177,6 +1201,42 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
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.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
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};
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static const struct display_timing urt_umsh_8596md_timing = {
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.pixelclock = { 33260000, 33260000, 33260000 },
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.hactive = { 800, 800, 800 },
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.hfront_porch = { 41, 41, 41 },
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.hback_porch = { 216 - 128, 216 - 128, 216 - 128 },
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.hsync_len = { 71, 128, 128 },
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.vactive = { 480, 480, 480 },
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.vfront_porch = { 10, 10, 10 },
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.vback_porch = { 35 - 2, 35 - 2, 35 - 2 },
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.vsync_len = { 2, 2, 2 },
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.flags = DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_NEGEDGE |
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DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
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};
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static const struct panel_desc urt_umsh_8596md_lvds = {
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.timings = &urt_umsh_8596md_timing,
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.num_timings = 1,
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.bpc = 6,
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.size = {
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.width = 152,
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.height = 91,
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},
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.bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
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};
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static const struct panel_desc urt_umsh_8596md_parallel = {
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.timings = &urt_umsh_8596md_timing,
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.num_timings = 1,
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.bpc = 6,
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.size = {
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.width = 152,
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.height = 91,
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},
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.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
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};
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static const struct of_device_id platform_of_match[] = {
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{
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.compatible = "ampire,am800480r3tmqwa1h",
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@ -1256,6 +1316,9 @@ static const struct of_device_id platform_of_match[] = {
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}, {
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.compatible = "lg,lb070wv8",
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.data = &lg_lb070wv8,
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}, {
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.compatible = "lg,lp120up1",
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.data = &lg_lp120up1,
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}, {
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.compatible = "lg,lp129qe",
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.data = &lg_lp129qe,
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|
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@ -1280,6 +1343,24 @@ static const struct of_device_id platform_of_match[] = {
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}, {
|
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.compatible = "shelly,sca07010-bfn-lnn",
|
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.data = &shelly_sca07010_bfn_lnn,
|
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}, {
|
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.compatible = "urt,umsh-8596md-t",
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.data = &urt_umsh_8596md_parallel,
|
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}, {
|
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.compatible = "urt,umsh-8596md-1t",
|
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.data = &urt_umsh_8596md_parallel,
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}, {
|
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.compatible = "urt,umsh-8596md-7t",
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.data = &urt_umsh_8596md_parallel,
|
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}, {
|
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.compatible = "urt,umsh-8596md-11t",
|
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.data = &urt_umsh_8596md_lvds,
|
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}, {
|
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.compatible = "urt,umsh-8596md-19t",
|
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.data = &urt_umsh_8596md_lvds,
|
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}, {
|
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.compatible = "urt,umsh-8596md-20t",
|
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.data = &urt_umsh_8596md_parallel,
|
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}, {
|
||||
/* sentinel */
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1597,6 +1597,8 @@ struct drm_bridge_funcs {
|
|||
*
|
||||
* The bridge can assume that the display pipe (i.e. clocks and timing
|
||||
* signals) feeding it is still running when this callback is called.
|
||||
*
|
||||
* The disable callback is optional.
|
||||
*/
|
||||
void (*disable)(struct drm_bridge *bridge);
|
||||
|
||||
|
|
@ -1613,6 +1615,8 @@ struct drm_bridge_funcs {
|
|||
* The bridge must assume that the display pipe (i.e. clocks and timing
|
||||
* singals) feeding it is no longer running when this callback is
|
||||
* called.
|
||||
*
|
||||
* The post_disable callback is optional.
|
||||
*/
|
||||
void (*post_disable)(struct drm_bridge *bridge);
|
||||
|
||||
|
|
@ -1641,6 +1645,8 @@ struct drm_bridge_funcs {
|
|||
* will not yet be running when this callback is called. The bridge must
|
||||
* not enable the display link feeding the next bridge in the chain (if
|
||||
* there is one) when this callback is called.
|
||||
*
|
||||
* The pre_enable callback is optional.
|
||||
*/
|
||||
void (*pre_enable)(struct drm_bridge *bridge);
|
||||
|
||||
|
|
@ -1658,6 +1664,8 @@ struct drm_bridge_funcs {
|
|||
* signals) feeding it is running when this callback is called. This
|
||||
* callback must enable the display link feeding the next bridge in the
|
||||
* chain if there is one.
|
||||
*
|
||||
* The enable callback is optional.
|
||||
*/
|
||||
void (*enable)(struct drm_bridge *bridge);
|
||||
};
|
||||
|
|
|
|||
|
|
@ -96,14 +96,17 @@ struct mipi_dsi_host_ops {
|
|||
* struct mipi_dsi_host - DSI host device
|
||||
* @dev: driver model device node for this DSI host
|
||||
* @ops: DSI host operations
|
||||
* @list: list management
|
||||
*/
|
||||
struct mipi_dsi_host {
|
||||
struct device *dev;
|
||||
const struct mipi_dsi_host_ops *ops;
|
||||
struct list_head list;
|
||||
};
|
||||
|
||||
int mipi_dsi_host_register(struct mipi_dsi_host *host);
|
||||
void mipi_dsi_host_unregister(struct mipi_dsi_host *host);
|
||||
struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node);
|
||||
|
||||
/* DSI mode flags */
|
||||
|
||||
|
|
@ -139,10 +142,28 @@ enum mipi_dsi_pixel_format {
|
|||
MIPI_DSI_FMT_RGB565,
|
||||
};
|
||||
|
||||
#define DSI_DEV_NAME_SIZE 20
|
||||
|
||||
/**
|
||||
* struct mipi_dsi_device_info - template for creating a mipi_dsi_device
|
||||
* @type: DSI peripheral chip type
|
||||
* @channel: DSI virtual channel assigned to peripheral
|
||||
* @node: pointer to OF device node or NULL
|
||||
*
|
||||
* This is populated and passed to mipi_dsi_device_new to create a new
|
||||
* DSI device
|
||||
*/
|
||||
struct mipi_dsi_device_info {
|
||||
char type[DSI_DEV_NAME_SIZE];
|
||||
u32 channel;
|
||||
struct device_node *node;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct mipi_dsi_device - DSI peripheral device
|
||||
* @host: DSI host for this peripheral
|
||||
* @dev: driver model device node for this peripheral
|
||||
* @name: DSI peripheral chip type
|
||||
* @channel: virtual channel assigned to the peripheral
|
||||
* @format: pixel format for video mode
|
||||
* @lanes: number of active data lanes
|
||||
|
|
@ -152,6 +173,7 @@ struct mipi_dsi_device {
|
|||
struct mipi_dsi_host *host;
|
||||
struct device dev;
|
||||
|
||||
char name[DSI_DEV_NAME_SIZE];
|
||||
unsigned int channel;
|
||||
unsigned int lanes;
|
||||
enum mipi_dsi_pixel_format format;
|
||||
|
|
@ -188,6 +210,10 @@ static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
struct mipi_dsi_device *
|
||||
mipi_dsi_device_register_full(struct mipi_dsi_host *host,
|
||||
const struct mipi_dsi_device_info *info);
|
||||
void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi);
|
||||
struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np);
|
||||
int mipi_dsi_attach(struct mipi_dsi_device *dsi);
|
||||
int mipi_dsi_detach(struct mipi_dsi_device *dsi);
|
||||
|
|
|
|||
Loading…
Reference in a new issue