drm/sti: add debugfs entries for MIXER crtc
Signed-off-by: Vincent Abriou <vincent.abriou@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
This commit is contained in:
Vincent Abriou
parent
90dffef595
commit
a5f81078a5
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@ -81,7 +81,7 @@ static int sti_compositor_bind(struct device *dev,
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case STI_MIXER_MAIN_SUBDEV:
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case STI_MIXER_AUX_SUBDEV:
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compo->mixer[mixer_id++] =
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sti_mixer_create(compo->dev, desc[i].id,
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sti_mixer_create(compo->dev, drm_dev, desc[i].id,
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compo->regs + desc[i].offset);
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break;
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case STI_GPD_SUBDEV:
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@ -75,6 +75,145 @@ static inline void sti_mixer_reg_write(struct sti_mixer *mixer,
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writel(val, mixer->regs + reg_id);
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}
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#define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \
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sti_mixer_reg_read(mixer, reg))
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static void mixer_dbg_ctl(struct seq_file *s, int val)
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{
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unsigned int i;
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int count = 0;
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char *const disp_layer[] = {"BKG", "VID0", "VID1", "GDP0",
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"GDP1", "GDP2", "GDP3"};
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seq_puts(s, "\tEnabled: ");
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for (i = 0; i < 7; i++) {
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if (val & 1) {
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seq_printf(s, "%s ", disp_layer[i]);
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count++;
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}
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val = val >> 1;
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}
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val = val >> 2;
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if (val & 1) {
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seq_puts(s, "CURS ");
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count++;
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}
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if (!count)
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seq_puts(s, "Nothing");
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}
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static void mixer_dbg_crb(struct seq_file *s, int val)
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{
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int i;
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seq_puts(s, "\tDepth: ");
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for (i = 0; i < GAM_MIXER_NB_DEPTH_LEVEL; i++) {
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switch (val & GAM_DEPTH_MASK_ID) {
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case GAM_DEPTH_VID0_ID:
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seq_puts(s, "VID0");
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break;
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case GAM_DEPTH_VID1_ID:
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seq_puts(s, "VID1");
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break;
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case GAM_DEPTH_GDP0_ID:
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seq_puts(s, "GDP0");
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break;
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case GAM_DEPTH_GDP1_ID:
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seq_puts(s, "GDP1");
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break;
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case GAM_DEPTH_GDP2_ID:
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seq_puts(s, "GDP2");
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break;
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case GAM_DEPTH_GDP3_ID:
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seq_puts(s, "GDP3");
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break;
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default:
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seq_puts(s, "---");
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}
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if (i < GAM_MIXER_NB_DEPTH_LEVEL - 1)
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seq_puts(s, " < ");
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val = val >> 3;
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}
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}
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static void mixer_dbg_mxn(struct seq_file *s, void *addr)
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{
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int i;
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for (i = 1; i < 8; i++)
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seq_printf(s, "-0x%08X", (int)readl(addr + i * 4));
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}
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static int mixer_dbg_show(struct seq_file *s, void *arg)
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{
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struct drm_info_node *node = s->private;
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struct sti_mixer *mixer = (struct sti_mixer *)node->info_ent->data;
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struct drm_device *dev = node->minor->dev;
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int ret;
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ret = mutex_lock_interruptible(&dev->struct_mutex);
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if (ret)
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return ret;
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seq_printf(s, "%s: (vaddr = 0x%p)",
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sti_mixer_to_str(mixer), mixer->regs);
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DBGFS_DUMP(GAM_MIXER_CTL);
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mixer_dbg_ctl(s, sti_mixer_reg_read(mixer, GAM_MIXER_CTL));
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DBGFS_DUMP(GAM_MIXER_BKC);
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DBGFS_DUMP(GAM_MIXER_BCO);
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DBGFS_DUMP(GAM_MIXER_BCS);
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DBGFS_DUMP(GAM_MIXER_AVO);
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DBGFS_DUMP(GAM_MIXER_AVS);
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DBGFS_DUMP(GAM_MIXER_CRB);
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mixer_dbg_crb(s, sti_mixer_reg_read(mixer, GAM_MIXER_CRB));
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DBGFS_DUMP(GAM_MIXER_ACT);
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DBGFS_DUMP(GAM_MIXER_MBP);
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DBGFS_DUMP(GAM_MIXER_MX0);
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mixer_dbg_mxn(s, mixer->regs + GAM_MIXER_MX0);
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seq_puts(s, "\n");
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mutex_unlock(&dev->struct_mutex);
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return 0;
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}
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static struct drm_info_list mixer0_debugfs_files[] = {
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{ "mixer_main", mixer_dbg_show, 0, NULL },
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};
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static struct drm_info_list mixer1_debugfs_files[] = {
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{ "mixer_aux", mixer_dbg_show, 0, NULL },
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};
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static int mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor)
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{
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unsigned int i;
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struct drm_info_list *mixer_debugfs_files;
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int nb_files;
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switch (mixer->id) {
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case STI_MIXER_MAIN:
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mixer_debugfs_files = mixer0_debugfs_files;
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nb_files = ARRAY_SIZE(mixer0_debugfs_files);
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break;
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case STI_MIXER_AUX:
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mixer_debugfs_files = mixer1_debugfs_files;
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nb_files = ARRAY_SIZE(mixer1_debugfs_files);
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break;
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default:
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return -EINVAL;
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}
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for (i = 0; i < nb_files; i++)
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mixer_debugfs_files[i].data = mixer;
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return drm_debugfs_create_files(mixer_debugfs_files,
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nb_files,
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minor->debugfs_root, minor);
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}
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void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable)
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{
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u32 val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL);
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@ -237,7 +376,9 @@ void sti_mixer_set_matrix(struct sti_mixer *mixer)
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mixerColorSpaceMatIdentity[i]);
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}
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struct sti_mixer *sti_mixer_create(struct device *dev, int id,
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struct sti_mixer *sti_mixer_create(struct device *dev,
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struct drm_device *drm_dev,
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int id,
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void __iomem *baseaddr)
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{
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struct sti_mixer *mixer = devm_kzalloc(dev, sizeof(*mixer), GFP_KERNEL);
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@ -258,5 +399,8 @@ struct sti_mixer *sti_mixer_create(struct device *dev, int id,
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DRM_DEBUG_DRIVER("%s created. Regs=%p\n",
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sti_mixer_to_str(mixer), mixer->regs);
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if (mixer_debugfs_init(mixer, drm_dev->primary))
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DRM_ERROR("MIXER debugfs setup failed\n");
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return mixer;
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}
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@ -42,7 +42,9 @@ struct sti_mixer {
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const char *sti_mixer_to_str(struct sti_mixer *mixer);
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struct sti_mixer *sti_mixer_create(struct device *dev, int id,
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struct sti_mixer *sti_mixer_create(struct device *dev,
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struct drm_device *drm_dev,
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int id,
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void __iomem *baseaddr);
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int sti_mixer_set_plane_status(struct sti_mixer *mixer,
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