drm/sti: add debugfs entries for HQVDP plane

Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
This commit is contained in:
Vincent Abriou 2016-02-04 16:57:46 +01:00
parent 2d61f2727f
commit 670454bbf9
1 changed files with 243 additions and 0 deletions

View File

@ -413,6 +413,246 @@ static int sti_hqvdp_get_curr_cmd(struct sti_hqvdp *hqvdp)
return -1;
}
/**
* sti_hqvdp_get_next_cmd
* @hqvdp: hqvdp structure
*
* Look for the next hqvdp_cmd that will be used by the FW.
*
* RETURNS:
* the offset of the next command that will be used.
* -1 in error cases
*/
static int sti_hqvdp_get_next_cmd(struct sti_hqvdp *hqvdp)
{
int next_cmd;
dma_addr_t cmd = hqvdp->hqvdp_cmd_paddr;
unsigned int i;
next_cmd = readl(hqvdp->regs + HQVDP_MBX_NEXT_CMD);
for (i = 0; i < NB_VDP_CMD; i++) {
if (cmd == next_cmd)
return i * sizeof(struct sti_hqvdp_cmd);
cmd += sizeof(struct sti_hqvdp_cmd);
}
return -1;
}
#define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \
readl(hqvdp->regs + reg))
static const char *hqvdp_dbg_get_lut(u32 *coef)
{
if (!memcmp(coef, coef_lut_a_legacy, 16))
return "LUT A";
if (!memcmp(coef, coef_lut_b, 16))
return "LUT B";
if (!memcmp(coef, coef_lut_c_y_legacy, 16))
return "LUT C Y";
if (!memcmp(coef, coef_lut_c_c_legacy, 16))
return "LUT C C";
if (!memcmp(coef, coef_lut_d_y_legacy, 16))
return "LUT D Y";
if (!memcmp(coef, coef_lut_d_c_legacy, 16))
return "LUT D C";
if (!memcmp(coef, coef_lut_e_y_legacy, 16))
return "LUT E Y";
if (!memcmp(coef, coef_lut_e_c_legacy, 16))
return "LUT E C";
if (!memcmp(coef, coef_lut_f_y_legacy, 16))
return "LUT F Y";
if (!memcmp(coef, coef_lut_f_c_legacy, 16))
return "LUT F C";
return "<UNKNOWN>";
}
static void hqvdp_dbg_dump_cmd(struct seq_file *s, struct sti_hqvdp_cmd *c)
{
int src_w, src_h, dst_w, dst_h;
seq_puts(s, "\n\tTOP:");
seq_printf(s, "\n\t %-20s 0x%08X", "Config", c->top.config);
switch (c->top.config) {
case TOP_CONFIG_PROGRESSIVE:
seq_puts(s, "\tProgressive");
break;
case TOP_CONFIG_INTER_TOP:
seq_puts(s, "\tInterlaced, top field");
break;
case TOP_CONFIG_INTER_BTM:
seq_puts(s, "\tInterlaced, bottom field");
break;
default:
seq_puts(s, "\t<UNKNOWN>");
break;
}
seq_printf(s, "\n\t %-20s 0x%08X", "MemFormat", c->top.mem_format);
seq_printf(s, "\n\t %-20s 0x%08X", "CurrentY", c->top.current_luma);
seq_printf(s, "\n\t %-20s 0x%08X", "CurrentC", c->top.current_chroma);
seq_printf(s, "\n\t %-20s 0x%08X", "YSrcPitch", c->top.luma_src_pitch);
seq_printf(s, "\n\t %-20s 0x%08X", "CSrcPitch",
c->top.chroma_src_pitch);
seq_printf(s, "\n\t %-20s 0x%08X", "InputFrameSize",
c->top.input_frame_size);
seq_printf(s, "\t%dx%d",
c->top.input_frame_size & 0x0000FFFF,
c->top.input_frame_size >> 16);
seq_printf(s, "\n\t %-20s 0x%08X", "InputViewportSize",
c->top.input_viewport_size);
src_w = c->top.input_viewport_size & 0x0000FFFF;
src_h = c->top.input_viewport_size >> 16;
seq_printf(s, "\t%dx%d", src_w, src_h);
seq_puts(s, "\n\tHVSRC:");
seq_printf(s, "\n\t %-20s 0x%08X", "OutputPictureSize",
c->hvsrc.output_picture_size);
dst_w = c->hvsrc.output_picture_size & 0x0000FFFF;
dst_h = c->hvsrc.output_picture_size >> 16;
seq_printf(s, "\t%dx%d", dst_w, dst_h);
seq_printf(s, "\n\t %-20s 0x%08X", "ParamCtrl", c->hvsrc.param_ctrl);
seq_printf(s, "\n\t %-20s %s", "yh_coef",
hqvdp_dbg_get_lut(c->hvsrc.yh_coef));
seq_printf(s, "\n\t %-20s %s", "ch_coef",
hqvdp_dbg_get_lut(c->hvsrc.ch_coef));
seq_printf(s, "\n\t %-20s %s", "yv_coef",
hqvdp_dbg_get_lut(c->hvsrc.yv_coef));
seq_printf(s, "\n\t %-20s %s", "cv_coef",
hqvdp_dbg_get_lut(c->hvsrc.cv_coef));
seq_printf(s, "\n\t %-20s", "ScaleH");
if (dst_w > src_w)
seq_printf(s, " %d/1", dst_w / src_w);
else
seq_printf(s, " 1/%d", src_w / dst_w);
seq_printf(s, "\n\t %-20s", "tScaleV");
if (dst_h > src_h)
seq_printf(s, " %d/1", dst_h / src_h);
else
seq_printf(s, " 1/%d", src_h / dst_h);
seq_puts(s, "\n\tCSDI:");
seq_printf(s, "\n\t %-20s 0x%08X\t", "Config", c->csdi.config);
switch (c->csdi.config) {
case CSDI_CONFIG_PROG:
seq_puts(s, "Bypass");
break;
case CSDI_CONFIG_INTER_DIR:
seq_puts(s, "Deinterlace, directional");
break;
default:
seq_puts(s, "<UNKNOWN>");
break;
}
seq_printf(s, "\n\t %-20s 0x%08X", "Config2", c->csdi.config2);
seq_printf(s, "\n\t %-20s 0x%08X", "DcdiConfig", c->csdi.dcdi_config);
}
static int hqvdp_dbg_show(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct sti_hqvdp *hqvdp = (struct sti_hqvdp *)node->info_ent->data;
struct drm_device *dev = node->minor->dev;
int cmd, cmd_offset, infoxp70;
void *virt;
int ret;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
seq_printf(s, "%s: (vaddr = 0x%p)",
sti_plane_to_str(&hqvdp->plane), hqvdp->regs);
DBGFS_DUMP(HQVDP_MBX_IRQ_TO_XP70);
DBGFS_DUMP(HQVDP_MBX_INFO_HOST);
DBGFS_DUMP(HQVDP_MBX_IRQ_TO_HOST);
DBGFS_DUMP(HQVDP_MBX_INFO_XP70);
infoxp70 = readl(hqvdp->regs + HQVDP_MBX_INFO_XP70);
seq_puts(s, "\tFirmware state: ");
if (infoxp70 & INFO_XP70_FW_READY)
seq_puts(s, "idle and ready");
else if (infoxp70 & INFO_XP70_FW_PROCESSING)
seq_puts(s, "processing a picture");
else if (infoxp70 & INFO_XP70_FW_INITQUEUES)
seq_puts(s, "programming queues");
else
seq_puts(s, "NOT READY");
DBGFS_DUMP(HQVDP_MBX_SW_RESET_CTRL);
DBGFS_DUMP(HQVDP_MBX_STARTUP_CTRL1);
if (readl(hqvdp->regs + HQVDP_MBX_STARTUP_CTRL1)
& STARTUP_CTRL1_RST_DONE)
seq_puts(s, "\tReset is done");
else
seq_puts(s, "\tReset is NOT done");
DBGFS_DUMP(HQVDP_MBX_STARTUP_CTRL2);
if (readl(hqvdp->regs + HQVDP_MBX_STARTUP_CTRL2)
& STARTUP_CTRL2_FETCH_EN)
seq_puts(s, "\tFetch is enabled");
else
seq_puts(s, "\tFetch is NOT enabled");
DBGFS_DUMP(HQVDP_MBX_GP_STATUS);
DBGFS_DUMP(HQVDP_MBX_NEXT_CMD);
DBGFS_DUMP(HQVDP_MBX_CURRENT_CMD);
DBGFS_DUMP(HQVDP_MBX_SOFT_VSYNC);
if (!(readl(hqvdp->regs + HQVDP_MBX_SOFT_VSYNC) & 3))
seq_puts(s, "\tHW Vsync");
else
seq_puts(s, "\tSW Vsync ?!?!");
/* Last command */
cmd = readl(hqvdp->regs + HQVDP_MBX_CURRENT_CMD);
cmd_offset = sti_hqvdp_get_curr_cmd(hqvdp);
if (cmd_offset == -1) {
seq_puts(s, "\n\n Last command: unknown");
} else {
virt = hqvdp->hqvdp_cmd + cmd_offset;
seq_printf(s, "\n\n Last command: address @ 0x%x (0x%p)",
cmd, virt);
hqvdp_dbg_dump_cmd(s, (struct sti_hqvdp_cmd *)virt);
}
/* Next command */
cmd = readl(hqvdp->regs + HQVDP_MBX_NEXT_CMD);
cmd_offset = sti_hqvdp_get_next_cmd(hqvdp);
if (cmd_offset == -1) {
seq_puts(s, "\n\n Next command: unknown");
} else {
virt = hqvdp->hqvdp_cmd + cmd_offset;
seq_printf(s, "\n\n Next command address: @ 0x%x (0x%p)",
cmd, virt);
hqvdp_dbg_dump_cmd(s, (struct sti_hqvdp_cmd *)virt);
}
seq_puts(s, "\n");
mutex_unlock(&dev->struct_mutex);
return 0;
}
static struct drm_info_list hqvdp_debugfs_files[] = {
{ "hqvdp", hqvdp_dbg_show, 0, NULL },
};
static int hqvdp_debugfs_init(struct sti_hqvdp *hqvdp, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(hqvdp_debugfs_files); i++)
hqvdp_debugfs_files[i].data = hqvdp;
return drm_debugfs_create_files(hqvdp_debugfs_files,
ARRAY_SIZE(hqvdp_debugfs_files),
minor->debugfs_root, minor);
}
/**
* sti_hqvdp_update_hvsrc
* @orient: horizontal or vertical
@ -1026,6 +1266,9 @@ static struct drm_plane *sti_hqvdp_create(struct drm_device *drm_dev,
sti_plane_init_property(&hqvdp->plane, DRM_PLANE_TYPE_OVERLAY);
if (hqvdp_debugfs_init(hqvdp, drm_dev->primary))
DRM_ERROR("HQVDP debugfs setup failed\n");
return &hqvdp->plane.drm_plane;
}