diff options
Diffstat (limited to 'drivers/media/platform/sti/hva/hva-hw.c')
| -rw-r--r-- | drivers/media/platform/sti/hva/hva-hw.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/platform/sti/hva/hva-hw.c b/drivers/media/platform/sti/hva/hva-hw.c index 5104068caf32..ec25bdcfa3d1 100644 --- a/drivers/media/platform/sti/hva/hva-hw.c +++ b/drivers/media/platform/sti/hva/hva-hw.c @@ -9,6 +9,9 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS +#include <linux/seq_file.h> +#endif #include "hva.h" #include "hva-hw.h" @@ -541,3 +544,43 @@ out: return ret; } + +#ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS +#define DUMP(reg) seq_printf(s, "%-30s: 0x%08X\n",\ + #reg, readl_relaxed(hva->regs + reg)) + +void hva_hw_dump_regs(struct hva_dev *hva, struct seq_file *s) +{ + struct device *dev = hva_to_dev(hva); + + mutex_lock(&hva->protect_mutex); + + if (pm_runtime_get_sync(dev) < 0) { + seq_puts(s, "Cannot wake up IP\n"); + mutex_unlock(&hva->protect_mutex); + return; + } + + seq_printf(s, "Registers:\nReg @ = 0x%p\n", hva->regs); + + DUMP(HVA_HIF_REG_RST); + DUMP(HVA_HIF_REG_RST_ACK); + DUMP(HVA_HIF_REG_MIF_CFG); + DUMP(HVA_HIF_REG_HEC_MIF_CFG); + DUMP(HVA_HIF_REG_CFL); + DUMP(HVA_HIF_REG_SFL); + DUMP(HVA_HIF_REG_LMI_ERR); + DUMP(HVA_HIF_REG_EMI_ERR); + DUMP(HVA_HIF_REG_HEC_MIF_ERR); + DUMP(HVA_HIF_REG_HEC_STS); + DUMP(HVA_HIF_REG_HVC_STS); + DUMP(HVA_HIF_REG_HJE_STS); + DUMP(HVA_HIF_REG_CNT); + DUMP(HVA_HIF_REG_HEC_CHKSYN_DIS); + DUMP(HVA_HIF_REG_CLK_GATING); + DUMP(HVA_HIF_REG_VERSION); + + pm_runtime_put_autosuspend(dev); + mutex_unlock(&hva->protect_mutex); +} +#endif |
