diff options
Diffstat (limited to 'drivers/gpu/drm/tilcdc')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_tfp410.c | 379 | ||||
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_tfp410.h | 15 |
4 files changed, 2 insertions, 406 deletions
diff --git a/drivers/gpu/drm/tilcdc/Makefile b/drivers/gpu/drm/tilcdc/Makefile index 87f9480e43b0..662bf3a348c9 100644 --- a/drivers/gpu/drm/tilcdc/Makefile +++ b/drivers/gpu/drm/tilcdc/Makefile @@ -6,7 +6,6 @@ endif tilcdc-y := \ tilcdc_plane.o \ tilcdc_crtc.o \ - tilcdc_tfp410.o \ tilcdc_panel.o \ tilcdc_external.o \ tilcdc_drv.o diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 2a9e67597375..0791a0200cc3 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -30,7 +30,6 @@ #include "tilcdc_external.h" #include "tilcdc_panel.h" #include "tilcdc_regs.h" -#include "tilcdc_tfp410.h" static LIST_HEAD(module_list); @@ -64,12 +63,6 @@ void tilcdc_module_cleanup(struct tilcdc_module *mod) static struct of_device_id tilcdc_of_match[]; -static struct drm_framebuffer *tilcdc_fb_create(struct drm_device *dev, - struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd) -{ - return drm_gem_fb_create(dev, file_priv, mode_cmd); -} - static int tilcdc_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) { @@ -140,7 +133,7 @@ static int tilcdc_commit(struct drm_device *dev, } static const struct drm_mode_config_funcs mode_config_funcs = { - .fb_create = tilcdc_fb_create, + .fb_create = drm_gem_fb_create, .atomic_check = tilcdc_atomic_check, .atomic_commit = tilcdc_commit, }; @@ -256,7 +249,7 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) goto init_failed; } - priv->mmio = ioremap_nocache(res->start, resource_size(res)); + priv->mmio = ioremap(res->start, resource_size(res)); if (!priv->mmio) { dev_err(dev, "failed to ioremap\n"); ret = -ENOMEM; @@ -649,7 +642,6 @@ static struct platform_driver tilcdc_platform_driver = { static int __init tilcdc_drm_init(void) { DBG("init"); - tilcdc_tfp410_init(); tilcdc_panel_init(); return platform_driver_register(&tilcdc_platform_driver); } @@ -659,7 +651,6 @@ static void __exit tilcdc_drm_fini(void) DBG("fini"); platform_driver_unregister(&tilcdc_platform_driver); tilcdc_panel_fini(); - tilcdc_tfp410_fini(); } module_init(tilcdc_drm_init); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c deleted file mode 100644 index 530edb3b51cc..000000000000 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c +++ /dev/null @@ -1,379 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark <[email protected]> - */ - -#include <linux/gpio.h> -#include <linux/mod_devicetable.h> -#include <linux/of_gpio.h> -#include <linux/pinctrl/consumer.h> -#include <linux/platform_device.h> - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_encoder.h> -#include <drm/drm_modeset_helper_vtables.h> -#include <drm/drm_probe_helper.h> - -#include "tilcdc_drv.h" -#include "tilcdc_tfp410.h" - -struct tfp410_module { - struct tilcdc_module base; - struct i2c_adapter *i2c; - int gpio; -}; -#define to_tfp410_module(x) container_of(x, struct tfp410_module, base) - - -static const struct tilcdc_panel_info dvi_info = { - .ac_bias = 255, - .ac_bias_intrpt = 0, - .dma_burst_sz = 16, - .bpp = 16, - .fdd = 0x80, - .tft_alt_mode = 0, - .sync_edge = 0, - .sync_ctrl = 1, - .raster_order = 0, -}; - -/* - * Encoder: - */ - -struct tfp410_encoder { - struct drm_encoder base; - struct tfp410_module *mod; - int dpms; -}; -#define to_tfp410_encoder(x) container_of(x, struct tfp410_encoder, base) - -static void tfp410_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct tfp410_encoder *tfp410_encoder = to_tfp410_encoder(encoder); - - if (tfp410_encoder->dpms == mode) - return; - - if (mode == DRM_MODE_DPMS_ON) { - DBG("Power on"); - gpio_direction_output(tfp410_encoder->mod->gpio, 1); - } else { - DBG("Power off"); - gpio_direction_output(tfp410_encoder->mod->gpio, 0); - } - - tfp410_encoder->dpms = mode; -} - -static void tfp410_encoder_prepare(struct drm_encoder *encoder) -{ - tfp410_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); -} - -static void tfp410_encoder_commit(struct drm_encoder *encoder) -{ - tfp410_encoder_dpms(encoder, DRM_MODE_DPMS_ON); -} - -static void tfp410_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - /* nothing needed */ -} - -static const struct drm_encoder_funcs tfp410_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -static const struct drm_encoder_helper_funcs tfp410_encoder_helper_funcs = { - .dpms = tfp410_encoder_dpms, - .prepare = tfp410_encoder_prepare, - .commit = tfp410_encoder_commit, - .mode_set = tfp410_encoder_mode_set, -}; - -static struct drm_encoder *tfp410_encoder_create(struct drm_device *dev, - struct tfp410_module *mod) -{ - struct tfp410_encoder *tfp410_encoder; - struct drm_encoder *encoder; - int ret; - - tfp410_encoder = devm_kzalloc(dev->dev, sizeof(*tfp410_encoder), - GFP_KERNEL); - if (!tfp410_encoder) - return NULL; - - tfp410_encoder->dpms = DRM_MODE_DPMS_OFF; - tfp410_encoder->mod = mod; - - encoder = &tfp410_encoder->base; - encoder->possible_crtcs = 1; - - ret = drm_encoder_init(dev, encoder, &tfp410_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); - if (ret < 0) - goto fail; - - drm_encoder_helper_add(encoder, &tfp410_encoder_helper_funcs); - - return encoder; - -fail: - drm_encoder_cleanup(encoder); - return NULL; -} - -/* - * Connector: - */ - -struct tfp410_connector { - struct drm_connector base; - - struct drm_encoder *encoder; /* our connected encoder */ - struct tfp410_module *mod; -}; -#define to_tfp410_connector(x) container_of(x, struct tfp410_connector, base) - - -static void tfp410_connector_destroy(struct drm_connector *connector) -{ - drm_connector_unregister(connector); - drm_connector_cleanup(connector); -} - -static enum drm_connector_status tfp410_connector_detect( - struct drm_connector *connector, - bool force) -{ - struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); - - if (drm_probe_ddc(tfp410_connector->mod->i2c)) - return connector_status_connected; - - return connector_status_unknown; -} - -static int tfp410_connector_get_modes(struct drm_connector *connector) -{ - struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); - struct edid *edid; - int ret = 0; - - edid = drm_get_edid(connector, tfp410_connector->mod->i2c); - - drm_connector_update_edid_property(connector, edid); - - if (edid) { - ret = drm_add_edid_modes(connector, edid); - kfree(edid); - } - - return ret; -} - -static struct drm_encoder *tfp410_connector_best_encoder( - struct drm_connector *connector) -{ - struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); - return tfp410_connector->encoder; -} - -static const struct drm_connector_funcs tfp410_connector_funcs = { - .destroy = tfp410_connector_destroy, - .detect = tfp410_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static const struct drm_connector_helper_funcs tfp410_connector_helper_funcs = { - .get_modes = tfp410_connector_get_modes, - .best_encoder = tfp410_connector_best_encoder, -}; - -static struct drm_connector *tfp410_connector_create(struct drm_device *dev, - struct tfp410_module *mod, struct drm_encoder *encoder) -{ - struct tfp410_connector *tfp410_connector; - struct drm_connector *connector; - int ret; - - tfp410_connector = devm_kzalloc(dev->dev, sizeof(*tfp410_connector), - GFP_KERNEL); - if (!tfp410_connector) - return NULL; - - tfp410_connector->encoder = encoder; - tfp410_connector->mod = mod; - - connector = &tfp410_connector->base; - - drm_connector_init(dev, connector, &tfp410_connector_funcs, - DRM_MODE_CONNECTOR_DVID); - drm_connector_helper_add(connector, &tfp410_connector_helper_funcs); - - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - - ret = drm_connector_attach_encoder(connector, encoder); - if (ret) - goto fail; - - return connector; - -fail: - tfp410_connector_destroy(connector); - return NULL; -} - -/* - * Module: - */ - -static int tfp410_modeset_init(struct tilcdc_module *mod, struct drm_device *dev) -{ - struct tfp410_module *tfp410_mod = to_tfp410_module(mod); - struct tilcdc_drm_private *priv = dev->dev_private; - struct drm_encoder *encoder; - struct drm_connector *connector; - - encoder = tfp410_encoder_create(dev, tfp410_mod); - if (!encoder) - return -ENOMEM; - - connector = tfp410_connector_create(dev, tfp410_mod, encoder); - if (!connector) - return -ENOMEM; - - priv->encoders[priv->num_encoders++] = encoder; - priv->connectors[priv->num_connectors++] = connector; - - tilcdc_crtc_set_panel_info(priv->crtc, &dvi_info); - return 0; -} - -static const struct tilcdc_module_ops tfp410_module_ops = { - .modeset_init = tfp410_modeset_init, -}; - -/* - * Device: - */ - -static int tfp410_probe(struct platform_device *pdev) -{ - struct device_node *node = pdev->dev.of_node; - struct device_node *i2c_node; - struct tfp410_module *tfp410_mod; - struct tilcdc_module *mod; - struct pinctrl *pinctrl; - uint32_t i2c_phandle; - int ret = -EINVAL; - - /* bail out early if no DT data: */ - if (!node) { - dev_err(&pdev->dev, "device-tree data is missing\n"); - return -ENXIO; - } - - tfp410_mod = devm_kzalloc(&pdev->dev, sizeof(*tfp410_mod), GFP_KERNEL); - if (!tfp410_mod) - return -ENOMEM; - - mod = &tfp410_mod->base; - pdev->dev.platform_data = mod; - - tilcdc_module_init(mod, "tfp410", &tfp410_module_ops); - - pinctrl = devm_pinctrl_get_select_default(&pdev->dev); - if (IS_ERR(pinctrl)) - dev_warn(&pdev->dev, "pins are not configured\n"); - - if (of_property_read_u32(node, "i2c", &i2c_phandle)) { - dev_err(&pdev->dev, "could not get i2c bus phandle\n"); - goto fail; - } - - i2c_node = of_find_node_by_phandle(i2c_phandle); - if (!i2c_node) { - dev_err(&pdev->dev, "could not get i2c bus node\n"); - goto fail; - } - - tfp410_mod->i2c = of_find_i2c_adapter_by_node(i2c_node); - if (!tfp410_mod->i2c) { - dev_err(&pdev->dev, "could not get i2c\n"); - of_node_put(i2c_node); - goto fail; - } - - of_node_put(i2c_node); - - tfp410_mod->gpio = of_get_named_gpio_flags(node, "powerdn-gpio", - 0, NULL); - if (tfp410_mod->gpio < 0) { - dev_warn(&pdev->dev, "No power down GPIO\n"); - } else { - ret = gpio_request(tfp410_mod->gpio, "DVI_PDn"); - if (ret) { - dev_err(&pdev->dev, "could not get DVI_PDn gpio\n"); - goto fail_adapter; - } - } - - return 0; - -fail_adapter: - i2c_put_adapter(tfp410_mod->i2c); - -fail: - tilcdc_module_cleanup(mod); - return ret; -} - -static int tfp410_remove(struct platform_device *pdev) -{ - struct tilcdc_module *mod = dev_get_platdata(&pdev->dev); - struct tfp410_module *tfp410_mod = to_tfp410_module(mod); - - i2c_put_adapter(tfp410_mod->i2c); - gpio_free(tfp410_mod->gpio); - - tilcdc_module_cleanup(mod); - - return 0; -} - -static const struct of_device_id tfp410_of_match[] = { - { .compatible = "ti,tilcdc,tfp410", }, - { }, -}; - -struct platform_driver tfp410_driver = { - .probe = tfp410_probe, - .remove = tfp410_remove, - .driver = { - .owner = THIS_MODULE, - .name = "tfp410", - .of_match_table = tfp410_of_match, - }, -}; - -int __init tilcdc_tfp410_init(void) -{ - return platform_driver_register(&tfp410_driver); -} - -void __exit tilcdc_tfp410_fini(void) -{ - platform_driver_unregister(&tfp410_driver); -} diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.h b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.h deleted file mode 100644 index f9aaf6911ffc..000000000000 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark <[email protected]> - */ - -#ifndef __TILCDC_TFP410_H__ -#define __TILCDC_TFP410_H__ - -/* sub-module for tfp410 dvi adaptor */ - -int tilcdc_tfp410_init(void); -void tilcdc_tfp410_fini(void); - -#endif /* __TILCDC_TFP410_H__ */ |