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path: root/drivers/gpu/drm/ingenic/ingenic-drm.c
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Diffstat (limited to 'drivers/gpu/drm/ingenic/ingenic-drm.c')
-rw-r--r--drivers/gpu/drm/ingenic/ingenic-drm.c121
1 files changed, 81 insertions, 40 deletions
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
index e9f9e9fb9b17..6d47ef7b148c 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
@@ -13,6 +13,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
@@ -152,6 +153,7 @@ struct ingenic_dma_hwdesc {
struct jz_soc_info {
bool needs_dev_clk;
+ unsigned int max_width, max_height;
};
struct ingenic_drm {
@@ -163,9 +165,12 @@ struct ingenic_drm {
struct device *dev;
struct regmap *map;
struct clk *lcd_clk, *pix_clk;
+ const struct jz_soc_info *soc_info;
struct ingenic_dma_hwdesc *dma_hwdesc;
dma_addr_t dma_hwdesc_phys;
+
+ bool panel_is_sharp;
};
static const u32 ingenic_drm_primary_formats[] = {
@@ -283,6 +288,13 @@ static void ingenic_drm_crtc_update_timings(struct ingenic_drm *priv,
regmap_write(priv->map, JZ_REG_LCD_DAV,
vds << JZ_LCD_DAV_VDS_OFFSET |
vde << JZ_LCD_DAV_VDE_OFFSET);
+
+ if (priv->panel_is_sharp) {
+ regmap_write(priv->map, JZ_REG_LCD_PS, hde << 16 | (hde + 1));
+ regmap_write(priv->map, JZ_REG_LCD_CLS, hde << 16 | (hde + 1));
+ regmap_write(priv->map, JZ_REG_LCD_SPL, hpe << 16 | (hpe + 1));
+ regmap_write(priv->map, JZ_REG_LCD_REV, mode->htotal << 16);
+ }
}
static void ingenic_drm_crtc_update_ctrl(struct ingenic_drm *priv,
@@ -316,6 +328,10 @@ static int ingenic_drm_crtc_atomic_check(struct drm_crtc *crtc,
if (!drm_atomic_crtc_needs_modeset(state))
return 0;
+ if (state->mode.hdisplay > priv->soc_info->max_height ||
+ state->mode.vdisplay > priv->soc_info->max_width)
+ return -EINVAL;
+
rate = clk_round_rate(priv->pix_clk,
state->adjusted_mode.clock * 1000);
if (rate < 0)
@@ -362,14 +378,18 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,
struct ingenic_drm *priv = drm_plane_get_priv(plane);
struct drm_plane_state *state = plane->state;
unsigned int width, height, cpp;
+ dma_addr_t addr;
- width = state->crtc->state->adjusted_mode.hdisplay;
- height = state->crtc->state->adjusted_mode.vdisplay;
- cpp = state->fb->format->cpp[plane->index];
+ if (state && state->fb) {
+ addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
+ width = state->src_w >> 16;
+ height = state->src_h >> 16;
+ cpp = state->fb->format->cpp[plane->index];
- priv->dma_hwdesc->addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
- priv->dma_hwdesc->cmd = width * height * cpp / 4;
- priv->dma_hwdesc->cmd |= JZ_LCD_CMD_EOF_IRQ;
+ priv->dma_hwdesc->addr = addr;
+ priv->dma_hwdesc->cmd = width * height * cpp / 4;
+ priv->dma_hwdesc->cmd |= JZ_LCD_CMD_EOF_IRQ;
+ }
}
static void ingenic_drm_encoder_atomic_mode_set(struct drm_encoder *encoder,
@@ -378,11 +398,18 @@ static void ingenic_drm_encoder_atomic_mode_set(struct drm_encoder *encoder,
{
struct ingenic_drm *priv = drm_encoder_get_priv(encoder);
struct drm_display_mode *mode = &crtc_state->adjusted_mode;
- struct drm_display_info *info = &conn_state->connector->display_info;
- unsigned int cfg = JZ_LCD_CFG_PS_DISABLE
- | JZ_LCD_CFG_CLS_DISABLE
- | JZ_LCD_CFG_SPL_DISABLE
- | JZ_LCD_CFG_REV_DISABLE;
+ struct drm_connector *conn = conn_state->connector;
+ struct drm_display_info *info = &conn->display_info;
+ unsigned int cfg;
+
+ priv->panel_is_sharp = info->bus_flags & DRM_BUS_FLAG_SHARP_SIGNALS;
+
+ if (priv->panel_is_sharp) {
+ cfg = JZ_LCD_CFG_MODE_SPECIAL_TFT_1 | JZ_LCD_CFG_REV_POLARITY;
+ } else {
+ cfg = JZ_LCD_CFG_PS_DISABLE | JZ_LCD_CFG_CLS_DISABLE
+ | JZ_LCD_CFG_SPL_DISABLE | JZ_LCD_CFG_REV_DISABLE;
+ }
if (mode->flags & DRM_MODE_FLAG_NHSYNC)
cfg |= JZ_LCD_CFG_HSYNC_ACTIVE_LOW;
@@ -393,24 +420,29 @@ static void ingenic_drm_encoder_atomic_mode_set(struct drm_encoder *encoder,
if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_NEGEDGE)
cfg |= JZ_LCD_CFG_PCLK_FALLING_EDGE;
- if (conn_state->connector->connector_type == DRM_MODE_CONNECTOR_TV) {
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- cfg |= JZ_LCD_CFG_MODE_TV_OUT_I;
- else
- cfg |= JZ_LCD_CFG_MODE_TV_OUT_P;
- } else {
- switch (*info->bus_formats) {
- case MEDIA_BUS_FMT_RGB565_1X16:
- cfg |= JZ_LCD_CFG_MODE_GENERIC_16BIT;
- break;
- case MEDIA_BUS_FMT_RGB666_1X18:
- cfg |= JZ_LCD_CFG_MODE_GENERIC_18BIT;
- break;
- case MEDIA_BUS_FMT_RGB888_1X24:
- cfg |= JZ_LCD_CFG_MODE_GENERIC_24BIT;
- break;
- default:
- break;
+ if (!priv->panel_is_sharp) {
+ if (conn->connector_type == DRM_MODE_CONNECTOR_TV) {
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ cfg |= JZ_LCD_CFG_MODE_TV_OUT_I;
+ else
+ cfg |= JZ_LCD_CFG_MODE_TV_OUT_P;
+ } else {
+ switch (*info->bus_formats) {
+ case MEDIA_BUS_FMT_RGB565_1X16:
+ cfg |= JZ_LCD_CFG_MODE_GENERIC_16BIT;
+ break;
+ case MEDIA_BUS_FMT_RGB666_1X18:
+ cfg |= JZ_LCD_CFG_MODE_GENERIC_18BIT;
+ break;
+ case MEDIA_BUS_FMT_RGB888_1X24:
+ cfg |= JZ_LCD_CFG_MODE_GENERIC_24BIT;
+ break;
+ case MEDIA_BUS_FMT_RGB888_3X8:
+ cfg |= JZ_LCD_CFG_MODE_8BIT_SERIAL;
+ break;
+ default:
+ break;
+ }
}
}
@@ -433,6 +465,7 @@ static int ingenic_drm_encoder_atomic_check(struct drm_encoder *encoder,
case MEDIA_BUS_FMT_RGB565_1X16:
case MEDIA_BUS_FMT_RGB666_1X18:
case MEDIA_BUS_FMT_RGB888_1X24:
+ case MEDIA_BUS_FMT_RGB888_3X8:
return 0;
default:
return -EINVAL;
@@ -484,8 +517,7 @@ static void ingenic_drm_disable_vblank(struct drm_crtc *crtc)
DEFINE_DRM_GEM_CMA_FOPS(ingenic_drm_fops);
static struct drm_driver ingenic_drm_driver_data = {
- .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME
- | DRIVER_ATOMIC,
+ .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
.name = "ingenic-drm",
.desc = "DRM module for Ingenic SoCs",
.date = "20190422",
@@ -581,7 +613,6 @@ static int ingenic_drm_probe(struct platform_device *pdev)
struct drm_bridge *bridge;
struct drm_panel *panel;
struct drm_device *drm;
- struct resource *mem;
void __iomem *base;
long parent_rate;
int ret, irq;
@@ -596,6 +627,7 @@ static int ingenic_drm_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
+ priv->soc_info = soc_info;
priv->dev = dev;
drm = &priv->drm;
drm->dev_private = priv;
@@ -611,12 +643,11 @@ static int ingenic_drm_probe(struct platform_device *pdev)
drm_mode_config_init(drm);
drm->mode_config.min_width = 0;
drm->mode_config.min_height = 0;
- drm->mode_config.max_width = 800;
- drm->mode_config.max_height = 600;
+ drm->mode_config.max_width = soc_info->max_width;
+ drm->mode_config.max_height = 4095;
drm->mode_config.funcs = &ingenic_drm_mode_config_funcs;
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(dev, mem);
+ base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base)) {
dev_err(dev, "Failed to get memory resource");
return PTR_ERR(base);
@@ -656,10 +687,9 @@ static int ingenic_drm_probe(struct platform_device *pdev)
return ret;
}
- if (panel) {
- bridge = devm_drm_panel_bridge_add(dev, panel,
- DRM_MODE_CONNECTOR_Unknown);
- }
+ if (panel)
+ bridge = devm_drm_panel_bridge_add_typed(dev, panel,
+ DRM_MODE_CONNECTOR_DPI);
priv->dma_hwdesc = dma_alloc_coherent(dev, sizeof(*priv->dma_hwdesc),
&priv->dma_hwdesc_phys,
@@ -791,15 +821,26 @@ static int ingenic_drm_remove(struct platform_device *pdev)
static const struct jz_soc_info jz4740_soc_info = {
.needs_dev_clk = true,
+ .max_width = 800,
+ .max_height = 600,
};
static const struct jz_soc_info jz4725b_soc_info = {
.needs_dev_clk = false,
+ .max_width = 800,
+ .max_height = 600,
+};
+
+static const struct jz_soc_info jz4770_soc_info = {
+ .needs_dev_clk = false,
+ .max_width = 1280,
+ .max_height = 720,
};
static const struct of_device_id ingenic_drm_of_match[] = {
{ .compatible = "ingenic,jz4740-lcd", .data = &jz4740_soc_info },
{ .compatible = "ingenic,jz4725b-lcd", .data = &jz4725b_soc_info },
+ { .compatible = "ingenic,jz4770-lcd", .data = &jz4770_soc_info },
{ /* sentinel */ },
};
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