diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_dsi_pltfm.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dsi_pltfm.c | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi_pltfm.c b/drivers/gpu/drm/exynos/exynos_drm_dsi_pltfm.c deleted file mode 100644 index 79d9ec6ade45..000000000000 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi_pltfm.c +++ /dev/null @@ -1,333 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Samsung SoC MIPI DSI Master driver. - * - * Copyright (c) 2014 Samsung Electronics Co., Ltd - * - * Contacts: Tomasz Figa <t.figa@samsung.com> - */ - -#include <linux/component.h> -#include <linux/of_device.h> -#include <linux/of_graph.h> -#include <linux/pm_runtime.h> - -#include <drm/drm_bridge.h> -#include <drm/drm_encoder.h> -#include <drm/drm_mipi_dsi.h> -#include <drm/drm_probe_helper.h> -#include <drm/drm_simple_kms_helper.h> - -#include "exynos_drm_crtc.h" -#include "exynos_drm_drv.h" -#include "exynos_drm_dsi.h" - -enum { - DSI_PORT_IN, - DSI_PORT_OUT -}; - -struct exynos_dsi_pltfm { - struct exynos_dsi *dsi; - struct drm_encoder encoder; -}; - -static const unsigned int reg_values[] = { - [RESET_TYPE] = DSIM_SWRST, - [PLL_TIMER] = 500, - [STOP_STATE_CNT] = 0xf, - [PHYCTRL_ULPS_EXIT] = 0x0af, - [PHYCTRL_VREG_LP] = 0, - [PHYCTRL_SLEW_UP] = 0, - [PHYTIMING_LPX] = 0x06, - [PHYTIMING_HS_EXIT] = 0x0b, - [PHYTIMING_CLK_PREPARE] = 0x07, - [PHYTIMING_CLK_ZERO] = 0x27, - [PHYTIMING_CLK_POST] = 0x0d, - [PHYTIMING_CLK_TRAIL] = 0x08, - [PHYTIMING_HS_PREPARE] = 0x09, - [PHYTIMING_HS_ZERO] = 0x0d, - [PHYTIMING_HS_TRAIL] = 0x0b, -}; - -static const unsigned int exynos5422_reg_values[] = { - [RESET_TYPE] = DSIM_SWRST, - [PLL_TIMER] = 500, - [STOP_STATE_CNT] = 0xf, - [PHYCTRL_ULPS_EXIT] = 0xaf, - [PHYCTRL_VREG_LP] = 0, - [PHYCTRL_SLEW_UP] = 0, - [PHYTIMING_LPX] = 0x08, - [PHYTIMING_HS_EXIT] = 0x0d, - [PHYTIMING_CLK_PREPARE] = 0x09, - [PHYTIMING_CLK_ZERO] = 0x30, - [PHYTIMING_CLK_POST] = 0x0e, - [PHYTIMING_CLK_TRAIL] = 0x0a, - [PHYTIMING_HS_PREPARE] = 0x0c, - [PHYTIMING_HS_ZERO] = 0x11, - [PHYTIMING_HS_TRAIL] = 0x0d, -}; - -static const unsigned int exynos5433_reg_values[] = { - [RESET_TYPE] = DSIM_FUNCRST, - [PLL_TIMER] = 22200, - [STOP_STATE_CNT] = 0xa, - [PHYCTRL_ULPS_EXIT] = 0x190, - [PHYCTRL_VREG_LP] = 1, - [PHYCTRL_SLEW_UP] = 1, - [PHYTIMING_LPX] = 0x07, - [PHYTIMING_HS_EXIT] = 0x0c, - [PHYTIMING_CLK_PREPARE] = 0x09, - [PHYTIMING_CLK_ZERO] = 0x2d, - [PHYTIMING_CLK_POST] = 0x0e, - [PHYTIMING_CLK_TRAIL] = 0x09, - [PHYTIMING_HS_PREPARE] = 0x0b, - [PHYTIMING_HS_ZERO] = 0x10, - [PHYTIMING_HS_TRAIL] = 0x0c, -}; - -static int __exynos_dsi_host_attach(struct device *dev, - struct mipi_dsi_device *device) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - struct drm_device *drm = dsi->encoder.dev; - struct exynos_drm_crtc *crtc; - - mutex_lock(&drm->mode_config.mutex); - crtc = exynos_drm_crtc_get_by_type(drm, EXYNOS_DISPLAY_TYPE_LCD); - crtc->i80_mode = !(device->mode_flags & MIPI_DSI_MODE_VIDEO); - mutex_unlock(&drm->mode_config.mutex); - - if (drm->mode_config.poll_enabled) - drm_kms_helper_hotplug_event(drm); - - return 0; -} - -static int __exynos_dsi_host_detach(struct device *dev, - struct mipi_dsi_device *device) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - struct drm_device *drm = dsi->encoder.dev; - - if (drm->mode_config.poll_enabled) - drm_kms_helper_hotplug_event(drm); - - return 0; -} - -static void __exynos_dsi_te_handler(struct device *dev) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - - exynos_drm_crtc_te_handler(dsi->encoder.crtc); -} - -static const struct exynos_dsi_host_ops exynos_dsi_host_ops = { - .attach = __exynos_dsi_host_attach, - .detach = __exynos_dsi_host_detach, - .te_handler = __exynos_dsi_te_handler, -}; - -static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { - .reg_ofs = EXYNOS_REG_OFS, - .plltmr_reg = 0x50, - .has_freqband = 1, - .has_clklane_stop = 1, - .num_clks = 2, - .max_freq = 1000, - .wait_for_reset = 1, - .num_bits_resol = 11, - .reg_values = reg_values, - .host_ops = &exynos_dsi_host_ops, -}; - -static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { - .reg_ofs = EXYNOS_REG_OFS, - .plltmr_reg = 0x50, - .has_freqband = 1, - .has_clklane_stop = 1, - .num_clks = 2, - .max_freq = 1000, - .wait_for_reset = 1, - .num_bits_resol = 11, - .reg_values = reg_values, - .host_ops = &exynos_dsi_host_ops, -}; - -static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { - .reg_ofs = EXYNOS_REG_OFS, - .plltmr_reg = 0x58, - .num_clks = 2, - .max_freq = 1000, - .wait_for_reset = 1, - .num_bits_resol = 11, - .reg_values = reg_values, - .host_ops = &exynos_dsi_host_ops, -}; - -static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { - .reg_ofs = EXYNOS5433_REG_OFS, - .plltmr_reg = 0xa0, - .has_clklane_stop = 1, - .num_clks = 5, - .max_freq = 1500, - .wait_for_reset = 0, - .num_bits_resol = 12, - .reg_values = exynos5433_reg_values, - .host_ops = &exynos_dsi_host_ops, -}; - -static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { - .reg_ofs = EXYNOS5433_REG_OFS, - .plltmr_reg = 0xa0, - .has_clklane_stop = 1, - .num_clks = 2, - .max_freq = 1500, - .wait_for_reset = 1, - .num_bits_resol = 12, - .reg_values = exynos5422_reg_values, - .host_ops = &exynos_dsi_host_ops, -}; - -static const struct of_device_id exynos_dsi_of_match[] = { - { .compatible = "samsung,exynos3250-mipi-dsi", - .data = &exynos3_dsi_driver_data }, - { .compatible = "samsung,exynos4210-mipi-dsi", - .data = &exynos4_dsi_driver_data }, - { .compatible = "samsung,exynos5410-mipi-dsi", - .data = &exynos5_dsi_driver_data }, - { .compatible = "samsung,exynos5422-mipi-dsi", - .data = &exynos5422_dsi_driver_data }, - { .compatible = "samsung,exynos5433-mipi-dsi", - .data = &exynos5433_dsi_driver_data }, - { } -}; - -static int exynos_dsi_pltfm_bind(struct device *dev, struct device *master, void *data) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - struct drm_encoder *encoder = &dsi->encoder; - struct drm_device *drm_dev = data; - struct device_node *in_bridge_node; - struct drm_bridge *in_bridge; - int ret; - - drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); - - ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_LCD); - if (ret < 0) - return ret; - - in_bridge_node = of_graph_get_remote_node(dev->of_node, DSI_PORT_IN, 0); - if (in_bridge_node) { - in_bridge = of_drm_find_bridge(in_bridge_node); - if (in_bridge) - drm_bridge_attach(encoder, in_bridge, NULL, 0); - of_node_put(in_bridge_node); - } - - ret = exynos_dsi_bind(dsi->dsi, encoder); - if (ret) - goto err; - - return 0; - -err: - drm_encoder_cleanup(encoder); - return ret; -} - -static void exynos_dsi_pltfm_unbind(struct device *dev, struct device *master, - void *data) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - struct drm_encoder *encoder = &dsi->encoder; - - exynos_dsi_unbind(dsi->dsi); - - drm_encoder_cleanup(encoder); -} - -static const struct component_ops exynos_dsi_pltfm_component_ops = { - .bind = exynos_dsi_pltfm_bind, - .unbind = exynos_dsi_pltfm_unbind, -}; - -static int exynos_dsi_pltfm_probe(struct platform_device *pdev) -{ - struct exynos_dsi_pltfm *dsi; - struct device *dev = &pdev->dev; - int ret; - - dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); - if (!dsi) - return -ENOMEM; - platform_set_drvdata(pdev, dsi); - - dsi->dsi = exynos_dsi_probe(pdev); - if (IS_ERR(dsi->dsi)) - return PTR_ERR(dsi->dsi); - - pm_runtime_enable(dev); - - ret = component_add(dev, &exynos_dsi_pltfm_component_ops); - if (ret) - goto err_disable_runtime; - - return 0; - -err_disable_runtime: - pm_runtime_disable(dev); - - return ret; -} - -static int exynos_dsi_pltfm_remove(struct platform_device *pdev) -{ - struct exynos_dsi_pltfm *dsi = platform_get_drvdata(pdev); - - pm_runtime_disable(&pdev->dev); - - exynos_dsi_remove(dsi->dsi); - - component_del(&pdev->dev, &exynos_dsi_pltfm_component_ops); - - return 0; -} - -static int __maybe_unused exynos_dsi_pltfm_suspend(struct device *dev) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - - return exynos_dsi_suspend(dsi->dsi); -} - -static int __maybe_unused exynos_dsi_pltfm_resume(struct device *dev) -{ - struct exynos_dsi_pltfm *dsi = dev_get_drvdata(dev); - - return exynos_dsi_resume(dsi->dsi); -} - -static const struct dev_pm_ops exynos_dsi_pm_ops = { - SET_RUNTIME_PM_OPS(exynos_dsi_pltfm_suspend, exynos_dsi_pltfm_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) -}; - -struct platform_driver dsi_driver = { - .probe = exynos_dsi_pltfm_probe, - .remove = exynos_dsi_pltfm_remove, - .driver = { - .name = "exynos-dsi", - .owner = THIS_MODULE, - .pm = &exynos_dsi_pm_ops, - .of_match_table = exynos_dsi_of_match, - }, -}; - -MODULE_AUTHOR("Tomasz Figa <t.figa@samsung.com>"); -MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>"); -MODULE_DESCRIPTION("Samsung SoC MIPI DSI Master"); -MODULE_LICENSE("GPL v2"); |