kernel-oot: include: soc: tegra: add ISP7 support

Add new stats buf sizes and offset for ISP7
Add new enable bit for ISP7 HIST2 unit
Reuse crossbar registers for ISP7 mini crossbars
New identifier for ISP7 program structure

Jira CT26X-279

Change-Id: I0015df5b7e5a35818649797fb19deafc40a9ff01
Signed-off-by: huliu <huliu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2849816
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Akihiro Mizusawa <amizusawa@nvidia.com>
Reviewed-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

include/soc/tegra/camrtc-capture.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2016-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * Copyright (c) 2016-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
  */
 
 /**
@@ -61,7 +61,7 @@ typedef struct syncpoint_info {
  *  FB = 32 byte header + (256 x 4) bytes. FB has 256 windows with 4 bytes
  *       of stats data per window.
  *  FM = 32 byte header + (64 x 64 x 2 x 4) bytes. FM can have 64 x 64 windows
- *       with each windows having 2 bytes of data for each color channel.
+ *       with each window having 2 bytes of data for each color channel.
  *  AFM = 32 byte header + 8 byte statistics data + 8 bytes padding per ROI.
  *  LAC = 32 byte header + ( (32 x 32) x ((4 + 2 + 2) x 4) )
  *        Each ROI has 32x32 windows with each window containing 8
@@ -93,7 +93,7 @@ typedef struct syncpoint_info {
 /** Local Tone Mapping (LTM) unit statistics data size in bytes */
 #define ISP5_STATS_LTM_MAX_SIZE		MK_SIZE(1056)
 
-/* Stats buffer addresses muse be aligned to 64 byte (ATOM) boundaries */
+/* Stats buffer addresses must be aligned to 64 byte (ATOM) boundaries */
 #define ISP5_ALIGN_STAT_OFFSET(_offset) \
 	(((uint32_t)(_offset) + MK_U32(63)) & ~(MK_U32(63)))
 
@@ -144,8 +144,8 @@ typedef struct syncpoint_info {
  *  FB = 32 byte header + (512 x 4) bytes. FB has 512 windows with 4 bytes
  *       of stats data per window.
  *  FM = 32 byte header + (64 x 64 x 2 x 4) bytes. FM can have 64 x 64 windows
- *       with each windows having 2 bytes of data for each color channel.
+ *       with each window having 2 bytes of data for each color channel.
- *  AFM = 32 byte header + 16 byte statistics data per ROI.
+ *  AFM = 32 byte header + 8 byte statistics data + 8 byte padding per ROI.
  *  LAC = 32 byte header + ( (32 x 32) x ((4 + 2 + 2) x 4) )
  *        Each ROI has 32x32 windows with each window containing 8
  *        bytes of data per color channel.
@@ -180,7 +180,7 @@ typedef struct syncpoint_info {
 #define ISP6_STATS_HIST_RAW24_MAX_SIZE	MK_SIZE(1056)
 /** Local Tone Mapping (LTM) unit statistics data size in bytes */
 #define ISP6_STATS_LTM_MAX_SIZE		MK_SIZE(1056)
-/* Stats buffer addresses muse be aligned to 64 byte (ATOM) boundaries */
+/* Stats buffer addresses must be aligned to 64 byte (ATOM) boundaries */
 #define ISP6_ALIGN_STAT_OFFSET(_offset) \
 	(((uint32_t)(_offset) + MK_U32(63)) & ~(MK_U32(63)))
 
@@ -225,6 +225,92 @@ typedef struct syncpoint_info {
 	(ISP6_STATS_LTM_OFFSET + ISP6_STATS_LTM_MAX_SIZE)
 /**@}*/
 
+/**
+ * @defgroup StatsSize Statistics data size defines for ISP7
+ *
+ * The size for each unit includes the standard ISP7 HW stats
+ * header size.
+ *
+ * Size break down for each unit.
+ *  FB = 32 byte header + (512 x 4) bytes. FB has 512 windows with 4 bytes
+ *       of stats data per window.
+ *  FM = 32 byte header + (64 x 64 x 2 x 4) bytes. FM can have 64 x 64 windows
+ *       with each window having 2 bytes of data for each color channel.
+ *  AFM = 32 byte header + 8 byte statistics data + 8 byte padding per ROI.
+ *  LAC = 32 byte header + ( (32 x 32) x ((4 + 2 + 2) x 4) )
+ *        Each ROI has 32x32 windows with each window containing 8
+ *        bytes of data per color channel.
+ *  Hist = Header + (256 x 4 x 4) bytes since Hist unit has 256 bins and
+ *         each bin collects 4 byte data for each color channel + 4 Dwords for
+ *         excluded pixel count due to elliptical mask per color channel.
+ *  DPC  = 32 byte header + (24 x 4) bytes for bad pixel count and accumulated
+ *        pixel adjustment for pixels both inside and outside the ROI.
+ *  LTM = 32 byte header + (128 x 4) bytes for histogram data + (8 x 8 x 4 x 2)
+ *        bytes for soft key average and count. Soft key statistics are
+ *        collected by dividing the frame into a 8x8 array region.
+ * @{
+ */
+/** Statistics unit hardware header size in bytes */
+#define ISP7_STATS_HW_HEADER_SIZE	MK_SIZE(32)
+/** Flicker band (FB) unit statistics data size in bytes */
+#define ISP7_STATS_FB_MAX_SIZE		MK_SIZE(2080)
+/** Focus Metrics (FM) unit statistics data size in bytes */
+#define ISP7_STATS_FM_MAX_SIZE		MK_SIZE(32800)
+/** Auto Focus Metrics (AFM) unit statistics data size in bytes */
+#define ISP7_STATS_AFM_ROI_MAX_SIZE	MK_SIZE(48)
+/** Local Average Clipping (LAC) unit statistics data size in bytes */
+#define ISP7_STATS_LAC_ROI_MAX_SIZE	MK_SIZE(32800)
+/** Histogram unit statistics data size in bytes */
+#define ISP7_STATS_HIST_MAX_SIZE	MK_SIZE(4144)
+/** Pixel Replacement Unit (PRU) unit statistics data size in bytes */
+#define ISP7_STATS_DPC_MAX_SIZE		MK_SIZE(128)
+/** Local Tone Mapping (LTM) unit statistics data size in bytes */
+#define ISP7_STATS_LTM_MAX_SIZE		MK_SIZE(1056)
+/* Stats buffer addresses must be aligned to 64 byte (ATOM) boundaries */
+#define ISP7_ALIGN_STAT_OFFSET(_offset) \
+	(((uint32_t)(_offset) + MK_U32(63)) & ~(MK_U32(63)))
+
+/** Flicker band (FB) unit statistics data offset */
+#define ISP7_STATS_FB_OFFSET		MK_SIZE(0)
+/** Focus Metrics (FM) unit statistics data offset */
+#define ISP7_STATS_FM_OFFSET \
+	(ISP7_STATS_FB_OFFSET + ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_FB_MAX_SIZE))
+/** Auto Focus Metrics (AFM) unit statistics data offset */
+#define ISP7_STATS_AFM_OFFSET \
+	(ISP7_STATS_FM_OFFSET + ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_FM_MAX_SIZE))
+/** Local Average Clipping (LAC0) unit statistics data offset */
+#define ISP7_STATS_LAC0_OFFSET \
+	(ISP7_STATS_AFM_OFFSET + \
+	(ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_AFM_ROI_MAX_SIZE) * MK_SIZE(8)))
+/** Local Average Clipping (LAC1) unit statistics data offset */
+#define ISP7_STATS_LAC1_OFFSET \
+	(ISP7_STATS_LAC0_OFFSET + \
+	(ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_LAC_ROI_MAX_SIZE) * MK_SIZE(4)))
+/** Histogram unit (H0) statistics data offset */
+#define ISP7_STATS_HIST0_OFFSET \
+	(ISP7_STATS_LAC1_OFFSET + \
+	(ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_LAC_ROI_MAX_SIZE) * MK_SIZE(4)))
+/** Histogram unit (H1) statistics data offset */
+#define ISP7_STATS_HIST1_OFFSET \
+	(ISP7_STATS_HIST0_OFFSET + \
+	ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_HIST_MAX_SIZE))
+/** Histogram unit (H2) statistics data offset */
+#define ISP7_STATS_HIST2_OFFSET \
+	(ISP7_STATS_HIST1_OFFSET + \
+	ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_HIST_MAX_SIZE))
+/** Outlier replacement (OR) unit statistics data offset */
+#define ISP7_STATS_DPC_OFFSET \
+	(ISP7_STATS_HIST2_OFFSET + \
+	ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_HIST_MAX_SIZE))
+/** Local Tone Mapping (LTM) unit statistics data offset */
+#define ISP7_STATS_LTM_OFFSET \
+	(ISP7_STATS_DPC_OFFSET + \
+	ISP7_ALIGN_STAT_OFFSET(ISP7_STATS_DPC_MAX_SIZE))
+/** Total statistics data size in bytes */
+#define ISP7_STATS_TOTAL_SIZE \
+	(ISP7_STATS_LTM_OFFSET + ISP7_STATS_LTM_MAX_SIZE)
+/**@}*/
+
 #define ISP_NUM_GOS_TABLES	MK_U32(8)
 
 #define VI_NUM_GOS_TABLES	MK_U32(12)
@@ -2710,7 +2796,10 @@ struct isp5_downscaler_configbuf {
  * Enable ISP6 LTM Softkey automatic update feature
  */
 #define ISP6BLOCK_ENABLED_AP_LTM_SK_UPDATE		MK_BIT32(28)
-
+/**
+ * Enable ISP7 HIST2
+ */
+#define	ISP7BLOCK_ENABLED_HISTOGRAM2			MK_BIT32(29)
 /**
  * @brief ISP overfetch requirements.
  *
@@ -2757,6 +2846,11 @@ struct isp_overfetch {
  */
 #define ISP_TYPE_ID_ISP6 MK_U16(4)
 
+/**
+ * @brief Identifier for ISP7
+ */
+#define ISP_TYPE_ID_ISP7 MK_U16(5)
+
 /**
  * @brief Magic bytes to detect ISP program struct with version information
  */
@@ -2798,24 +2892,31 @@ struct isp5_program {
 	/**
 	 * Sources for LS, AP and PRU blocks.
 	 * Format is same as in ISP's XB_SRC_0 register
+	 * For ISP7, this is the stats crossbar used for
+	 * HIST1 and LAC1, with ISP_STATS_XB_SRC register format.
 	 */
 	uint32_t xbsrc0;
 
 	/**
 	 * Sources for AT[0-2] and TF[0-1] blocks
 	 * Format is same as in ISP's XB_SRC_1 register
+	 * For ISP7, this is the output crossbar used for
+	 * TF0, DS[0-2], with ISP_OUT_XB_SRC register format.
 	 */
 	uint32_t xbsrc1;
 
 	/**
 	 * Sources for DS[0-2] and MW[0-2] blocks
 	 * Format is same as in ISP's XB_SRC_2 register
+	 * For ISP7, this is the AT1 MuxSelect used for
+	 * AT1, with ISP_AT1_XB_SRC register format.
 	 */
 	uint32_t xbsrc2;
 
 	/**
 	 * Sources for FB, LAC[0-1] and HIST[0-1] blocks
 	 * Format is same as in ISP's XB_SRC_3 register
+	 * For ISP7, this is not used.
 	 */
 	uint32_t xbsrc3;