diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_tv.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tv.c | 234 |
1 files changed, 61 insertions, 173 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c index 1a838d208211..cce4e38789b9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tv.c +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c @@ -1,26 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2015 Free Electrons * Copyright (C) 2015 NextThing Co * * Maxime Ripard <maxime.ripard@free-electrons.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. */ #include <linux/clk.h> #include <linux/component.h> +#include <linux/module.h> #include <linux/of_address.h> +#include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/reset.h> -#include <drm/drmP.h> +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc_helper.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> +#include <drm/drm_print.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "sun4i_crtc.h" #include "sun4i_drv.h" @@ -141,23 +141,14 @@ struct resync_parameters { struct tv_mode { char *name; + unsigned int tv_mode; + u32 mode; u32 chroma_freq; u16 back_porch; u16 front_porch; - u16 line_number; u16 vblank_level; - u32 hdisplay; - u16 hfront_porch; - u16 hsync_len; - u16 hback_porch; - - u32 vdisplay; - u16 vfront_porch; - u16 vsync_len; - u16 vback_porch; - bool yc_en; bool dac3_en; bool dac_bit25_en; @@ -213,7 +204,7 @@ static const struct resync_parameters pal_resync_parameters = { static const struct tv_mode tv_modes[] = { { - .name = "NTSC", + .tv_mode = DRM_MODE_TV_MODE_NTSC, .mode = SUN4I_TVE_CFG0_RES_480i, .chroma_freq = 0x21f07c1f, .yc_en = true, @@ -222,17 +213,6 @@ static const struct tv_mode tv_modes[] = { .back_porch = 118, .front_porch = 32, - .line_number = 525, - - .hdisplay = 720, - .hfront_porch = 18, - .hsync_len = 2, - .hback_porch = 118, - - .vdisplay = 480, - .vfront_porch = 26, - .vsync_len = 2, - .vback_porch = 17, .vblank_level = 240, @@ -242,23 +222,12 @@ static const struct tv_mode tv_modes[] = { .resync_params = &ntsc_resync_parameters, }, { - .name = "PAL", + .tv_mode = DRM_MODE_TV_MODE_PAL, .mode = SUN4I_TVE_CFG0_RES_576i, .chroma_freq = 0x2a098acb, .back_porch = 138, .front_porch = 24, - .line_number = 625, - - .hdisplay = 720, - .hfront_porch = 3, - .hsync_len = 2, - .hback_porch = 139, - - .vdisplay = 576, - .vfront_porch = 28, - .vsync_len = 2, - .vback_porch = 19, .vblank_level = 252, @@ -276,71 +245,23 @@ drm_encoder_to_sun4i_tv(struct drm_encoder *encoder) encoder); } -static inline struct sun4i_tv * -drm_connector_to_sun4i_tv(struct drm_connector *connector) -{ - return container_of(connector, struct sun4i_tv, - connector); -} - -/* - * FIXME: If only the drm_display_mode private field was usable, this - * could go away... - * - * So far, it doesn't seem to be preserved when the mode is passed by - * to mode_set for some reason. - */ -static const struct tv_mode *sun4i_tv_find_tv_by_mode(const struct drm_display_mode *mode) +static const struct tv_mode * +sun4i_tv_find_tv_by_mode(unsigned int mode) { int i; - /* First try to identify the mode by name */ for (i = 0; i < ARRAY_SIZE(tv_modes); i++) { const struct tv_mode *tv_mode = &tv_modes[i]; - DRM_DEBUG_DRIVER("Comparing mode %s vs %s", - mode->name, tv_mode->name); - - if (!strcmp(mode->name, tv_mode->name)) - return tv_mode; - } - - /* Then by number of lines */ - for (i = 0; i < ARRAY_SIZE(tv_modes); i++) { - const struct tv_mode *tv_mode = &tv_modes[i]; - - DRM_DEBUG_DRIVER("Comparing mode %s vs %s (X: %d vs %d)", - mode->name, tv_mode->name, - mode->vdisplay, tv_mode->vdisplay); - - if (mode->vdisplay == tv_mode->vdisplay) + if (tv_mode->tv_mode == mode) return tv_mode; } return NULL; } -static void sun4i_tv_mode_to_drm_mode(const struct tv_mode *tv_mode, - struct drm_display_mode *mode) -{ - DRM_DEBUG_DRIVER("Creating mode %s\n", mode->name); - - mode->type = DRM_MODE_TYPE_DRIVER; - mode->clock = 13500; - mode->flags = DRM_MODE_FLAG_INTERLACE; - - mode->hdisplay = tv_mode->hdisplay; - mode->hsync_start = mode->hdisplay + tv_mode->hfront_porch; - mode->hsync_end = mode->hsync_start + tv_mode->hsync_len; - mode->htotal = mode->hsync_end + tv_mode->hback_porch; - - mode->vdisplay = tv_mode->vdisplay; - mode->vsync_start = mode->vdisplay + tv_mode->vfront_porch; - mode->vsync_end = mode->vsync_start + tv_mode->vsync_len; - mode->vtotal = mode->vsync_end + tv_mode->vback_porch; -} - -static void sun4i_tv_disable(struct drm_encoder *encoder) +static void sun4i_tv_disable(struct drm_encoder *encoder, + struct drm_atomic_state *state) { struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); @@ -354,27 +275,22 @@ static void sun4i_tv_disable(struct drm_encoder *encoder) sunxi_engine_disable_color_correction(crtc->engine); } -static void sun4i_tv_enable(struct drm_encoder *encoder) +static void sun4i_tv_enable(struct drm_encoder *encoder, + struct drm_atomic_state *state) { struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); + struct drm_crtc_state *crtc_state = + drm_atomic_get_new_crtc_state(state, encoder->crtc); + struct drm_display_mode *mode = &crtc_state->mode; + struct drm_connector *connector = &tv->connector; + struct drm_connector_state *conn_state = + drm_atomic_get_new_connector_state(state, connector); + const struct tv_mode *tv_mode = + sun4i_tv_find_tv_by_mode(conn_state->tv.mode); DRM_DEBUG_DRIVER("Enabling the TV Output\n"); - sunxi_engine_apply_color_correction(crtc->engine); - - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, - SUN4I_TVE_EN_ENABLE, - SUN4I_TVE_EN_ENABLE); -} - -static void sun4i_tv_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); - const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); - /* Enable and map the DAC to the output */ regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, SUN4I_TVE_EN_DAC_MAP_MASK, @@ -419,7 +335,7 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder, /* Set the lines setup */ regmap_write(tv->regs, SUN4I_TVE_LINE_REG, SUN4I_TVE_LINE_FIRST(22) | - SUN4I_TVE_LINE_NUMBER(tv_mode->line_number)); + SUN4I_TVE_LINE_NUMBER(mode->vtotal)); regmap_write(tv->regs, SUN4I_TVE_LEVEL_REG, SUN4I_TVE_LEVEL_BLANK(tv_mode->video_levels->blank) | @@ -467,73 +383,39 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder, SUN4I_TVE_RESYNC_FIELD : 0)); regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0); -} -static struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { - .disable = sun4i_tv_disable, - .enable = sun4i_tv_enable, - .mode_set = sun4i_tv_mode_set, -}; + sunxi_engine_apply_color_correction(crtc->engine); -static void sun4i_tv_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, + SUN4I_TVE_EN_ENABLE, + SUN4I_TVE_EN_ENABLE); } -static struct drm_encoder_funcs sun4i_tv_funcs = { - .destroy = sun4i_tv_destroy, +static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { + .atomic_disable = sun4i_tv_disable, + .atomic_enable = sun4i_tv_enable, }; -static int sun4i_tv_comp_get_modes(struct drm_connector *connector) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(tv_modes); i++) { - struct drm_display_mode *mode; - const struct tv_mode *tv_mode = &tv_modes[i]; - - mode = drm_mode_create(connector->dev); - if (!mode) { - DRM_ERROR("Failed to create a new display mode\n"); - return 0; - } - - strcpy(mode->name, tv_mode->name); - - sun4i_tv_mode_to_drm_mode(tv_mode, mode); - drm_mode_probed_add(connector, mode); - } - - return i; -} - -static int sun4i_tv_comp_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - /* TODO */ - return MODE_OK; -} - -static struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = { - .get_modes = sun4i_tv_comp_get_modes, - .mode_valid = sun4i_tv_comp_mode_valid, +static const struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = { + .atomic_check = drm_atomic_helper_connector_tv_check, + .get_modes = drm_connector_helper_tv_get_modes, }; -static void -sun4i_tv_comp_connector_destroy(struct drm_connector *connector) +static void sun4i_tv_connector_reset(struct drm_connector *connector) { - drm_connector_cleanup(connector); + drm_atomic_helper_connector_reset(connector); + drm_atomic_helper_connector_tv_reset(connector); } static const struct drm_connector_funcs sun4i_tv_comp_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = sun4i_tv_comp_connector_destroy, - .reset = drm_atomic_helper_connector_reset, + .destroy = drm_connector_cleanup, + .reset = sun4i_tv_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -static struct regmap_config sun4i_tv_regmap_config = { +static const struct regmap_config sun4i_tv_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, @@ -548,7 +430,6 @@ static int sun4i_tv_bind(struct device *dev, struct device *master, struct drm_device *drm = data; struct sun4i_drv *drv = drm->dev_private; struct sun4i_tv *tv; - struct resource *res; void __iomem *regs; int ret; @@ -558,8 +439,7 @@ static int sun4i_tv_bind(struct device *dev, struct device *master, tv->drv = drv; dev_set_drvdata(dev, tv); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - regs = devm_ioremap_resource(dev, res); + regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(regs)) { dev_err(dev, "Couldn't map the TV encoder registers\n"); return PTR_ERR(regs); @@ -594,11 +474,8 @@ static int sun4i_tv_bind(struct device *dev, struct device *master, drm_encoder_helper_add(&tv->encoder, &sun4i_tv_helper_funcs); - ret = drm_encoder_init(drm, - &tv->encoder, - &sun4i_tv_funcs, - DRM_MODE_ENCODER_TVDAC, - NULL); + ret = drm_simple_encoder_init(drm, &tv->encoder, + DRM_MODE_ENCODER_TVDAC); if (ret) { dev_err(dev, "Couldn't initialise the TV encoder\n"); goto err_disable_clk; @@ -619,15 +496,27 @@ static int sun4i_tv_bind(struct device *dev, struct device *master, if (ret) { dev_err(dev, "Couldn't initialise the Composite connector\n"); - goto err_cleanup_connector; + goto err_cleanup_encoder; } tv->connector.interlace_allowed = true; drm_connector_attach_encoder(&tv->connector, &tv->encoder); + ret = drm_mode_create_tv_properties(drm, + BIT(DRM_MODE_TV_MODE_NTSC) | + BIT(DRM_MODE_TV_MODE_PAL)); + if (ret) + goto err_cleanup_connector; + + drm_object_attach_property(&tv->connector.base, + drm->mode_config.tv_mode_property, + DRM_MODE_TV_MODE_NTSC); + return 0; err_cleanup_connector: + drm_connector_cleanup(&tv->connector); +err_cleanup_encoder: drm_encoder_cleanup(&tv->encoder); err_disable_clk: clk_disable_unprepare(tv->clk); @@ -644,6 +533,7 @@ static void sun4i_tv_unbind(struct device *dev, struct device *master, drm_connector_cleanup(&tv->connector); drm_encoder_cleanup(&tv->encoder); clk_disable_unprepare(tv->clk); + reset_control_assert(tv->reset); } static const struct component_ops sun4i_tv_ops = { @@ -656,11 +546,9 @@ static int sun4i_tv_probe(struct platform_device *pdev) return component_add(&pdev->dev, &sun4i_tv_ops); } -static int sun4i_tv_remove(struct platform_device *pdev) +static void sun4i_tv_remove(struct platform_device *pdev) { component_del(&pdev->dev, &sun4i_tv_ops); - - return 0; } static const struct of_device_id sun4i_tv_of_table[] = { |