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drm/sun4i: tv: Convert to the new TV mode property
Now that the core can deal fine with analog TV modes, let's convert the sun4i TV driver to leverage those new features. Acked-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Acked-in-principle-or-something-like-that-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v10-19-256dad125326@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>
This commit is contained in:
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2757279304
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1 changed files with 34 additions and 107 deletions
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@ -141,23 +141,14 @@ struct resync_parameters {
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struct tv_mode {
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struct tv_mode {
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char *name;
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char *name;
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unsigned int tv_mode;
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u32 mode;
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u32 mode;
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u32 chroma_freq;
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u32 chroma_freq;
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u16 back_porch;
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u16 back_porch;
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u16 front_porch;
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u16 front_porch;
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u16 line_number;
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u16 vblank_level;
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u16 vblank_level;
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u32 hdisplay;
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u16 hfront_porch;
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u16 hsync_len;
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u16 hback_porch;
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u32 vdisplay;
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u16 vfront_porch;
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u16 vsync_len;
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u16 vback_porch;
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bool yc_en;
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bool yc_en;
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bool dac3_en;
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bool dac3_en;
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bool dac_bit25_en;
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bool dac_bit25_en;
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@ -213,7 +204,7 @@ static const struct resync_parameters pal_resync_parameters = {
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static const struct tv_mode tv_modes[] = {
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static const struct tv_mode tv_modes[] = {
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{
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{
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.name = "NTSC",
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.tv_mode = DRM_MODE_TV_MODE_NTSC,
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.mode = SUN4I_TVE_CFG0_RES_480i,
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.mode = SUN4I_TVE_CFG0_RES_480i,
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.chroma_freq = 0x21f07c1f,
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.chroma_freq = 0x21f07c1f,
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.yc_en = true,
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.yc_en = true,
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@ -222,17 +213,6 @@ static const struct tv_mode tv_modes[] = {
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.back_porch = 118,
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.back_porch = 118,
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.front_porch = 32,
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.front_porch = 32,
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.line_number = 525,
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.hdisplay = 720,
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.hfront_porch = 18,
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.hsync_len = 2,
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.hback_porch = 118,
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.vdisplay = 480,
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.vfront_porch = 26,
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.vsync_len = 2,
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.vback_porch = 17,
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.vblank_level = 240,
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.vblank_level = 240,
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@ -242,23 +222,12 @@ static const struct tv_mode tv_modes[] = {
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.resync_params = &ntsc_resync_parameters,
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.resync_params = &ntsc_resync_parameters,
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},
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},
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{
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{
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.name = "PAL",
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.tv_mode = DRM_MODE_TV_MODE_PAL,
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.mode = SUN4I_TVE_CFG0_RES_576i,
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.mode = SUN4I_TVE_CFG0_RES_576i,
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.chroma_freq = 0x2a098acb,
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.chroma_freq = 0x2a098acb,
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.back_porch = 138,
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.back_porch = 138,
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.front_porch = 24,
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.front_porch = 24,
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.line_number = 625,
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.hdisplay = 720,
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.hfront_porch = 3,
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.hsync_len = 2,
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.hback_porch = 139,
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.vdisplay = 576,
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.vfront_porch = 28,
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.vsync_len = 2,
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.vback_porch = 19,
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.vblank_level = 252,
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.vblank_level = 252,
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@ -276,63 +245,21 @@ drm_encoder_to_sun4i_tv(struct drm_encoder *encoder)
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encoder);
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encoder);
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}
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}
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/*
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static const struct tv_mode *
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* FIXME: If only the drm_display_mode private field was usable, this
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sun4i_tv_find_tv_by_mode(unsigned int mode)
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* could go away...
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*
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* So far, it doesn't seem to be preserved when the mode is passed by
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* to mode_set for some reason.
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*/
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static const struct tv_mode *sun4i_tv_find_tv_by_mode(const struct drm_display_mode *mode)
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{
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{
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int i;
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int i;
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/* First try to identify the mode by name */
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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const struct tv_mode *tv_mode = &tv_modes[i];
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const struct tv_mode *tv_mode = &tv_modes[i];
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DRM_DEBUG_DRIVER("Comparing mode %s vs %s",
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if (tv_mode->tv_mode == mode)
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mode->name, tv_mode->name);
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if (!strcmp(mode->name, tv_mode->name))
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return tv_mode;
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}
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/* Then by number of lines */
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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const struct tv_mode *tv_mode = &tv_modes[i];
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DRM_DEBUG_DRIVER("Comparing mode %s vs %s (X: %d vs %d)",
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mode->name, tv_mode->name,
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mode->vdisplay, tv_mode->vdisplay);
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if (mode->vdisplay == tv_mode->vdisplay)
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return tv_mode;
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return tv_mode;
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}
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}
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return NULL;
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return NULL;
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}
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}
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static void sun4i_tv_mode_to_drm_mode(const struct tv_mode *tv_mode,
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struct drm_display_mode *mode)
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{
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DRM_DEBUG_DRIVER("Creating mode %s\n", mode->name);
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mode->type = DRM_MODE_TYPE_DRIVER;
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mode->clock = 13500;
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mode->flags = DRM_MODE_FLAG_INTERLACE;
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mode->hdisplay = tv_mode->hdisplay;
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mode->hsync_start = mode->hdisplay + tv_mode->hfront_porch;
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mode->hsync_end = mode->hsync_start + tv_mode->hsync_len;
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mode->htotal = mode->hsync_end + tv_mode->hback_porch;
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mode->vdisplay = tv_mode->vdisplay;
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mode->vsync_start = mode->vdisplay + tv_mode->vfront_porch;
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mode->vsync_end = mode->vsync_start + tv_mode->vsync_len;
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mode->vtotal = mode->vsync_end + tv_mode->vback_porch;
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}
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static void sun4i_tv_disable(struct drm_encoder *encoder,
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static void sun4i_tv_disable(struct drm_encoder *encoder,
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struct drm_atomic_state *state)
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struct drm_atomic_state *state)
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{
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{
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@ -356,7 +283,11 @@ static void sun4i_tv_enable(struct drm_encoder *encoder,
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struct drm_crtc_state *crtc_state =
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struct drm_crtc_state *crtc_state =
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drm_atomic_get_new_crtc_state(state, encoder->crtc);
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drm_atomic_get_new_crtc_state(state, encoder->crtc);
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struct drm_display_mode *mode = &crtc_state->mode;
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struct drm_display_mode *mode = &crtc_state->mode;
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const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
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struct drm_connector *connector = &tv->connector;
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struct drm_connector_state *conn_state =
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drm_atomic_get_new_connector_state(state, connector);
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const struct tv_mode *tv_mode =
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sun4i_tv_find_tv_by_mode(conn_state->tv.mode);
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DRM_DEBUG_DRIVER("Enabling the TV Output\n");
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DRM_DEBUG_DRIVER("Enabling the TV Output\n");
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@ -404,7 +335,7 @@ static void sun4i_tv_enable(struct drm_encoder *encoder,
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/* Set the lines setup */
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/* Set the lines setup */
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regmap_write(tv->regs, SUN4I_TVE_LINE_REG,
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regmap_write(tv->regs, SUN4I_TVE_LINE_REG,
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SUN4I_TVE_LINE_FIRST(22) |
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SUN4I_TVE_LINE_FIRST(22) |
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SUN4I_TVE_LINE_NUMBER(tv_mode->line_number));
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SUN4I_TVE_LINE_NUMBER(mode->vtotal));
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regmap_write(tv->regs, SUN4I_TVE_LEVEL_REG,
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regmap_write(tv->regs, SUN4I_TVE_LEVEL_REG,
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SUN4I_TVE_LEVEL_BLANK(tv_mode->video_levels->blank) |
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SUN4I_TVE_LEVEL_BLANK(tv_mode->video_levels->blank) |
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@ -465,37 +396,21 @@ static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
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.atomic_enable = sun4i_tv_enable,
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.atomic_enable = sun4i_tv_enable,
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};
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};
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static int sun4i_tv_comp_get_modes(struct drm_connector *connector)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
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struct drm_display_mode *mode;
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const struct tv_mode *tv_mode = &tv_modes[i];
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mode = drm_mode_create(connector->dev);
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if (!mode) {
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DRM_ERROR("Failed to create a new display mode\n");
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return 0;
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}
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strcpy(mode->name, tv_mode->name);
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sun4i_tv_mode_to_drm_mode(tv_mode, mode);
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drm_mode_probed_add(connector, mode);
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}
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return i;
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}
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static const struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = {
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static const struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = {
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.get_modes = sun4i_tv_comp_get_modes,
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.atomic_check = drm_atomic_helper_connector_tv_check,
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.get_modes = drm_connector_helper_tv_get_modes,
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};
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};
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static void sun4i_tv_connector_reset(struct drm_connector *connector)
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{
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drm_atomic_helper_connector_reset(connector);
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drm_atomic_helper_connector_tv_reset(connector);
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}
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static const struct drm_connector_funcs sun4i_tv_comp_connector_funcs = {
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static const struct drm_connector_funcs sun4i_tv_comp_connector_funcs = {
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.fill_modes = drm_helper_probe_single_connector_modes,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.destroy = drm_connector_cleanup,
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.destroy = drm_connector_cleanup,
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.reset = drm_atomic_helper_connector_reset,
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.reset = sun4i_tv_connector_reset,
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.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
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.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
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.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
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};
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};
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@ -587,8 +502,20 @@ static int sun4i_tv_bind(struct device *dev, struct device *master,
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drm_connector_attach_encoder(&tv->connector, &tv->encoder);
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drm_connector_attach_encoder(&tv->connector, &tv->encoder);
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ret = drm_mode_create_tv_properties(drm,
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BIT(DRM_MODE_TV_MODE_NTSC) |
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BIT(DRM_MODE_TV_MODE_PAL));
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if (ret)
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goto err_cleanup_connector;
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drm_object_attach_property(&tv->connector.base,
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drm->mode_config.tv_mode_property,
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DRM_MODE_TV_MODE_NTSC);
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return 0;
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return 0;
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err_cleanup_connector:
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drm_connector_cleanup(&tv->connector);
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err_cleanup_encoder:
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err_cleanup_encoder:
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drm_encoder_cleanup(&tv->encoder);
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drm_encoder_cleanup(&tv->encoder);
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err_disable_clk:
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err_disable_clk:
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