linux/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * camss-vfe-4-7.c
   4 *
   5 * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module v4.7
   6 *
   7 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
   8 * Copyright (C) 2015-2018 Linaro Ltd.
   9 */
  10
  11#include <linux/interrupt.h>
  12#include <linux/io.h>
  13#include <linux/iopoll.h>
  14
  15#include "camss-vfe.h"
  16
  17#define VFE_0_HW_VERSION                0x000
  18
  19#define VFE_0_GLOBAL_RESET_CMD          0x018
  20#define VFE_0_GLOBAL_RESET_CMD_CORE     BIT(0)
  21#define VFE_0_GLOBAL_RESET_CMD_CAMIF    BIT(1)
  22#define VFE_0_GLOBAL_RESET_CMD_BUS      BIT(2)
  23#define VFE_0_GLOBAL_RESET_CMD_BUS_BDG  BIT(3)
  24#define VFE_0_GLOBAL_RESET_CMD_REGISTER BIT(4)
  25#define VFE_0_GLOBAL_RESET_CMD_PM       BIT(5)
  26#define VFE_0_GLOBAL_RESET_CMD_BUS_MISR BIT(6)
  27#define VFE_0_GLOBAL_RESET_CMD_TESTGEN  BIT(7)
  28#define VFE_0_GLOBAL_RESET_CMD_DSP      BIT(8)
  29#define VFE_0_GLOBAL_RESET_CMD_IDLE_CGC BIT(9)
  30
  31#define VFE_0_MODULE_LENS_EN            0x040
  32#define VFE_0_MODULE_LENS_EN_DEMUX              BIT(2)
  33#define VFE_0_MODULE_LENS_EN_CHROMA_UPSAMPLE    BIT(3)
  34
  35#define VFE_0_MODULE_ZOOM_EN            0x04c
  36#define VFE_0_MODULE_ZOOM_EN_SCALE_ENC          BIT(1)
  37#define VFE_0_MODULE_ZOOM_EN_CROP_ENC           BIT(2)
  38#define VFE_0_MODULE_ZOOM_EN_REALIGN_BUF        BIT(9)
  39
  40#define VFE_0_CORE_CFG                  0x050
  41#define VFE_0_CORE_CFG_PIXEL_PATTERN_YCBYCR     0x4
  42#define VFE_0_CORE_CFG_PIXEL_PATTERN_YCRYCB     0x5
  43#define VFE_0_CORE_CFG_PIXEL_PATTERN_CBYCRY     0x6
  44#define VFE_0_CORE_CFG_PIXEL_PATTERN_CRYCBY     0x7
  45#define VFE_0_CORE_CFG_COMPOSITE_REG_UPDATE_EN  BIT(4)
  46
  47#define VFE_0_IRQ_CMD                   0x058
  48#define VFE_0_IRQ_CMD_GLOBAL_CLEAR      BIT(0)
  49
  50#define VFE_0_IRQ_MASK_0                0x05c
  51#define VFE_0_IRQ_MASK_0_CAMIF_SOF                      BIT(0)
  52#define VFE_0_IRQ_MASK_0_CAMIF_EOF                      BIT(1)
  53#define VFE_0_IRQ_MASK_0_RDIn_REG_UPDATE(n)             BIT((n) + 5)
  54#define VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(n)           \
  55        ((n) == VFE_LINE_PIX ? BIT(4) : VFE_0_IRQ_MASK_0_RDIn_REG_UPDATE(n))
  56#define VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(n)    BIT((n) + 8)
  57#define VFE_0_IRQ_MASK_0_IMAGE_COMPOSITE_DONE_n(n)      BIT((n) + 25)
  58#define VFE_0_IRQ_MASK_0_RESET_ACK                      BIT(31)
  59#define VFE_0_IRQ_MASK_1                0x060
  60#define VFE_0_IRQ_MASK_1_CAMIF_ERROR                    BIT(0)
  61#define VFE_0_IRQ_MASK_1_VIOLATION                      BIT(7)
  62#define VFE_0_IRQ_MASK_1_BUS_BDG_HALT_ACK               BIT(8)
  63#define VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(n) BIT((n) + 9)
  64#define VFE_0_IRQ_MASK_1_RDIn_SOF(n)                    BIT((n) + 29)
  65
  66#define VFE_0_IRQ_CLEAR_0               0x064
  67#define VFE_0_IRQ_CLEAR_1               0x068
  68
  69#define VFE_0_IRQ_STATUS_0              0x06c
  70#define VFE_0_IRQ_STATUS_0_CAMIF_SOF                    BIT(0)
  71#define VFE_0_IRQ_STATUS_0_RDIn_REG_UPDATE(n)           BIT((n) + 5)
  72#define VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(n)         \
  73        ((n) == VFE_LINE_PIX ? BIT(4) : VFE_0_IRQ_STATUS_0_RDIn_REG_UPDATE(n))
  74#define VFE_0_IRQ_STATUS_0_IMAGE_MASTER_n_PING_PONG(n)  BIT((n) + 8)
  75#define VFE_0_IRQ_STATUS_0_IMAGE_COMPOSITE_DONE_n(n)    BIT((n) + 25)
  76#define VFE_0_IRQ_STATUS_0_RESET_ACK                    BIT(31)
  77#define VFE_0_IRQ_STATUS_1              0x070
  78#define VFE_0_IRQ_STATUS_1_VIOLATION                    BIT(7)
  79#define VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK             BIT(8)
  80#define VFE_0_IRQ_STATUS_1_RDIn_SOF(n)                  BIT((n) + 29)
  81
  82#define VFE_0_IRQ_COMPOSITE_MASK_0      0x074
  83#define VFE_0_VIOLATION_STATUS          0x07c
  84
  85#define VFE_0_BUS_CMD                   0x80
  86#define VFE_0_BUS_CMD_Mx_RLD_CMD(x)     BIT(x)
  87
  88#define VFE_0_BUS_CFG                   0x084
  89
  90#define VFE_0_BUS_XBAR_CFG_x(x)         (0x90 + 0x4 * ((x) / 2))
  91#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN                   BIT(2)
  92#define VFE_0_BUS_XBAR_CFG_x_M_REALIGN_BUF_EN                   BIT(3)
  93#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTRA           (0x1 << 4)
  94#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER           (0x2 << 4)
  95#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA     (0x3 << 4)
  96#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT          8
  97#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA           0x0
  98#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0       0xc
  99#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1       0xd
 100#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2       0xe
 101
 102#define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(n)              (0x0a0 + 0x2c * (n))
 103#define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT   0
 104#define VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(n)        (0x0a4 + 0x2c * (n))
 105#define VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(n)        (0x0ac + 0x2c * (n))
 106#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(n)         (0x0b4 + 0x2c * (n))
 107#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT    1
 108#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_SHIFT 2
 109#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK  (0x1f << 2)
 110#define VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG(n)           (0x0b8 + 0x2c * (n))
 111#define VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG_OFFSET_SHIFT 16
 112#define VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(n)       (0x0bc + 0x2c * (n))
 113#define VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(n)       (0x0c0 + 0x2c * (n))
 114#define VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(n)        \
 115                                                        (0x0c4 + 0x2c * (n))
 116#define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(n)    \
 117                                                        (0x0c8 + 0x2c * (n))
 118#define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF   0xffffffff
 119
 120#define VFE_0_BUS_PING_PONG_STATUS      0x338
 121
 122#define VFE_0_BUS_BDG_CMD               0x400
 123#define VFE_0_BUS_BDG_CMD_HALT_REQ      1
 124
 125#define VFE_0_BUS_BDG_QOS_CFG_0         0x404
 126#define VFE_0_BUS_BDG_QOS_CFG_0_CFG     0xaaa9aaa9
 127#define VFE_0_BUS_BDG_QOS_CFG_1         0x408
 128#define VFE_0_BUS_BDG_QOS_CFG_2         0x40c
 129#define VFE_0_BUS_BDG_QOS_CFG_3         0x410
 130#define VFE_0_BUS_BDG_QOS_CFG_4         0x414
 131#define VFE_0_BUS_BDG_QOS_CFG_5         0x418
 132#define VFE_0_BUS_BDG_QOS_CFG_6         0x41c
 133#define VFE_0_BUS_BDG_QOS_CFG_7         0x420
 134#define VFE_0_BUS_BDG_QOS_CFG_7_CFG     0x0001aaa9
 135
 136#define VFE_0_BUS_BDG_DS_CFG_0          0x424
 137#define VFE_0_BUS_BDG_DS_CFG_0_CFG      0xcccc0011
 138#define VFE_0_BUS_BDG_DS_CFG_1          0x428
 139#define VFE_0_BUS_BDG_DS_CFG_2          0x42c
 140#define VFE_0_BUS_BDG_DS_CFG_3          0x430
 141#define VFE_0_BUS_BDG_DS_CFG_4          0x434
 142#define VFE_0_BUS_BDG_DS_CFG_5          0x438
 143#define VFE_0_BUS_BDG_DS_CFG_6          0x43c
 144#define VFE_0_BUS_BDG_DS_CFG_7          0x440
 145#define VFE_0_BUS_BDG_DS_CFG_8          0x444
 146#define VFE_0_BUS_BDG_DS_CFG_9          0x448
 147#define VFE_0_BUS_BDG_DS_CFG_10         0x44c
 148#define VFE_0_BUS_BDG_DS_CFG_11         0x450
 149#define VFE_0_BUS_BDG_DS_CFG_12         0x454
 150#define VFE_0_BUS_BDG_DS_CFG_13         0x458
 151#define VFE_0_BUS_BDG_DS_CFG_14         0x45c
 152#define VFE_0_BUS_BDG_DS_CFG_15         0x460
 153#define VFE_0_BUS_BDG_DS_CFG_16         0x464
 154#define VFE_0_BUS_BDG_DS_CFG_16_CFG     0x40000103
 155
 156#define VFE_0_RDI_CFG_x(x)              (0x46c + (0x4 * (x)))
 157#define VFE_0_RDI_CFG_x_RDI_STREAM_SEL_SHIFT    28
 158#define VFE_0_RDI_CFG_x_RDI_STREAM_SEL_MASK     (0xf << 28)
 159#define VFE_0_RDI_CFG_x_RDI_M0_SEL_SHIFT        4
 160#define VFE_0_RDI_CFG_x_RDI_M0_SEL_MASK         (0xf << 4)
 161#define VFE_0_RDI_CFG_x_RDI_EN_BIT              BIT(2)
 162#define VFE_0_RDI_CFG_x_MIPI_EN_BITS            0x3
 163
 164#define VFE_0_CAMIF_CMD                         0x478
 165#define VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY  0
 166#define VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY   1
 167#define VFE_0_CAMIF_CMD_NO_CHANGE               3
 168#define VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS      BIT(2)
 169#define VFE_0_CAMIF_CFG                         0x47c
 170#define VFE_0_CAMIF_CFG_VFE_OUTPUT_EN           BIT(6)
 171#define VFE_0_CAMIF_FRAME_CFG                   0x484
 172#define VFE_0_CAMIF_WINDOW_WIDTH_CFG            0x488
 173#define VFE_0_CAMIF_WINDOW_HEIGHT_CFG           0x48c
 174#define VFE_0_CAMIF_SUBSAMPLE_CFG               0x490
 175#define VFE_0_CAMIF_IRQ_FRAMEDROP_PATTERN       0x498
 176#define VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN       0x49c
 177#define VFE_0_CAMIF_STATUS                      0x4a4
 178#define VFE_0_CAMIF_STATUS_HALT                 BIT(31)
 179
 180#define VFE_0_REG_UPDATE                0x4ac
 181#define VFE_0_REG_UPDATE_RDIn(n)                BIT(1 + (n))
 182#define VFE_0_REG_UPDATE_line_n(n)              \
 183                        ((n) == VFE_LINE_PIX ? 1 : VFE_0_REG_UPDATE_RDIn(n))
 184
 185#define VFE_0_DEMUX_CFG                         0x560
 186#define VFE_0_DEMUX_CFG_PERIOD                  0x3
 187#define VFE_0_DEMUX_GAIN_0                      0x564
 188#define VFE_0_DEMUX_GAIN_0_CH0_EVEN             (0x80 << 0)
 189#define VFE_0_DEMUX_GAIN_0_CH0_ODD              (0x80 << 16)
 190#define VFE_0_DEMUX_GAIN_1                      0x568
 191#define VFE_0_DEMUX_GAIN_1_CH1                  (0x80 << 0)
 192#define VFE_0_DEMUX_GAIN_1_CH2                  (0x80 << 16)
 193#define VFE_0_DEMUX_EVEN_CFG                    0x574
 194#define VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV       0x9cac
 195#define VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU       0xac9c
 196#define VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY       0xc9ca
 197#define VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY       0xcac9
 198#define VFE_0_DEMUX_ODD_CFG                     0x578
 199#define VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV        0x9cac
 200#define VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU        0xac9c
 201#define VFE_0_DEMUX_ODD_CFG_PATTERN_UYVY        0xc9ca
 202#define VFE_0_DEMUX_ODD_CFG_PATTERN_VYUY        0xcac9
 203
 204#define VFE_0_SCALE_ENC_Y_CFG                   0x91c
 205#define VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE          0x920
 206#define VFE_0_SCALE_ENC_Y_H_PHASE               0x924
 207#define VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE          0x934
 208#define VFE_0_SCALE_ENC_Y_V_PHASE               0x938
 209#define VFE_0_SCALE_ENC_CBCR_CFG                0x948
 210#define VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE       0x94c
 211#define VFE_0_SCALE_ENC_CBCR_H_PHASE            0x950
 212#define VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE       0x960
 213#define VFE_0_SCALE_ENC_CBCR_V_PHASE            0x964
 214
 215#define VFE_0_CROP_ENC_Y_WIDTH                  0x974
 216#define VFE_0_CROP_ENC_Y_HEIGHT                 0x978
 217#define VFE_0_CROP_ENC_CBCR_WIDTH               0x97c
 218#define VFE_0_CROP_ENC_CBCR_HEIGHT              0x980
 219
 220#define VFE_0_CLAMP_ENC_MAX_CFG                 0x984
 221#define VFE_0_CLAMP_ENC_MAX_CFG_CH0             (0xff << 0)
 222#define VFE_0_CLAMP_ENC_MAX_CFG_CH1             (0xff << 8)
 223#define VFE_0_CLAMP_ENC_MAX_CFG_CH2             (0xff << 16)
 224#define VFE_0_CLAMP_ENC_MIN_CFG                 0x988
 225#define VFE_0_CLAMP_ENC_MIN_CFG_CH0             (0x0 << 0)
 226#define VFE_0_CLAMP_ENC_MIN_CFG_CH1             (0x0 << 8)
 227#define VFE_0_CLAMP_ENC_MIN_CFG_CH2             (0x0 << 16)
 228
 229#define VFE_0_REALIGN_BUF_CFG                   0xaac
 230#define VFE_0_REALIGN_BUF_CFG_CB_ODD_PIXEL     BIT(2)
 231#define VFE_0_REALIGN_BUF_CFG_CR_ODD_PIXEL     BIT(3)
 232#define VFE_0_REALIGN_BUF_CFG_HSUB_ENABLE      BIT(4)
 233
 234#define CAMIF_TIMEOUT_SLEEP_US 1000
 235#define CAMIF_TIMEOUT_ALL_US 1000000
 236
 237#define MSM_VFE_VFE0_UB_SIZE 2047
 238#define MSM_VFE_VFE0_UB_SIZE_RDI (MSM_VFE_VFE0_UB_SIZE / 3)
 239#define MSM_VFE_VFE1_UB_SIZE 1535
 240#define MSM_VFE_VFE1_UB_SIZE_RDI (MSM_VFE_VFE1_UB_SIZE / 3)
 241
 242static void vfe_hw_version_read(struct vfe_device *vfe, struct device *dev)
 243{
 244        u32 hw_version = readl_relaxed(vfe->base + VFE_0_HW_VERSION);
 245
 246        dev_err(dev, "VFE HW Version = 0x%08x\n", hw_version);
 247}
 248
 249static u16 vfe_get_ub_size(u8 vfe_id)
 250{
 251        if (vfe_id == 0)
 252                return MSM_VFE_VFE0_UB_SIZE_RDI;
 253        else if (vfe_id == 1)
 254                return MSM_VFE_VFE1_UB_SIZE_RDI;
 255
 256        return 0;
 257}
 258
 259static inline void vfe_reg_clr(struct vfe_device *vfe, u32 reg, u32 clr_bits)
 260{
 261        u32 bits = readl_relaxed(vfe->base + reg);
 262
 263        writel_relaxed(bits & ~clr_bits, vfe->base + reg);
 264}
 265
 266static inline void vfe_reg_set(struct vfe_device *vfe, u32 reg, u32 set_bits)
 267{
 268        u32 bits = readl_relaxed(vfe->base + reg);
 269
 270        writel_relaxed(bits | set_bits, vfe->base + reg);
 271}
 272
 273static void vfe_global_reset(struct vfe_device *vfe)
 274{
 275        u32 reset_bits = VFE_0_GLOBAL_RESET_CMD_IDLE_CGC        |
 276                         VFE_0_GLOBAL_RESET_CMD_DSP             |
 277                         VFE_0_GLOBAL_RESET_CMD_TESTGEN         |
 278                         VFE_0_GLOBAL_RESET_CMD_BUS_MISR        |
 279                         VFE_0_GLOBAL_RESET_CMD_PM              |
 280                         VFE_0_GLOBAL_RESET_CMD_REGISTER        |
 281                         VFE_0_GLOBAL_RESET_CMD_BUS_BDG         |
 282                         VFE_0_GLOBAL_RESET_CMD_BUS             |
 283                         VFE_0_GLOBAL_RESET_CMD_CAMIF           |
 284                         VFE_0_GLOBAL_RESET_CMD_CORE;
 285
 286        writel_relaxed(BIT(31), vfe->base + VFE_0_IRQ_MASK_0);
 287        wmb();
 288        writel_relaxed(reset_bits, vfe->base + VFE_0_GLOBAL_RESET_CMD);
 289}
 290
 291static void vfe_halt_request(struct vfe_device *vfe)
 292{
 293        writel_relaxed(VFE_0_BUS_BDG_CMD_HALT_REQ,
 294                       vfe->base + VFE_0_BUS_BDG_CMD);
 295}
 296
 297static void vfe_halt_clear(struct vfe_device *vfe)
 298{
 299        writel_relaxed(0x0, vfe->base + VFE_0_BUS_BDG_CMD);
 300}
 301
 302static void vfe_wm_enable(struct vfe_device *vfe, u8 wm, u8 enable)
 303{
 304        if (enable)
 305                vfe_reg_set(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm),
 306                            1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT);
 307        else
 308                vfe_reg_clr(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm),
 309                            1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT);
 310}
 311
 312static void vfe_wm_frame_based(struct vfe_device *vfe, u8 wm, u8 enable)
 313{
 314        if (enable)
 315                vfe_reg_set(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm),
 316                        1 << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT);
 317        else
 318                vfe_reg_clr(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm),
 319                        1 << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT);
 320}
 321
 322#define CALC_WORD(width, M, N) (((width) * (M) + (N) - 1) / (N))
 323
 324static int vfe_word_per_line_by_pixel(u32 format, u32 pixel_per_line)
 325{
 326        int val = 0;
 327
 328        switch (format) {
 329        case V4L2_PIX_FMT_NV12:
 330        case V4L2_PIX_FMT_NV21:
 331        case V4L2_PIX_FMT_NV16:
 332        case V4L2_PIX_FMT_NV61:
 333                val = CALC_WORD(pixel_per_line, 1, 8);
 334                break;
 335        case V4L2_PIX_FMT_YUYV:
 336        case V4L2_PIX_FMT_YVYU:
 337        case V4L2_PIX_FMT_UYVY:
 338        case V4L2_PIX_FMT_VYUY:
 339                val = CALC_WORD(pixel_per_line, 2, 8);
 340                break;
 341        }
 342
 343        return val;
 344}
 345
 346static int vfe_word_per_line_by_bytes(u32 bytes_per_line)
 347{
 348        return CALC_WORD(bytes_per_line, 1, 8);
 349}
 350
 351static void vfe_get_wm_sizes(struct v4l2_pix_format_mplane *pix, u8 plane,
 352                             u16 *width, u16 *height, u16 *bytesperline)
 353{
 354        switch (pix->pixelformat) {
 355        case V4L2_PIX_FMT_NV12:
 356        case V4L2_PIX_FMT_NV21:
 357                *width = pix->width;
 358                *height = pix->height;
 359                *bytesperline = pix->plane_fmt[0].bytesperline;
 360                if (plane == 1)
 361                        *height /= 2;
 362                break;
 363        case V4L2_PIX_FMT_NV16:
 364        case V4L2_PIX_FMT_NV61:
 365                *width = pix->width;
 366                *height = pix->height;
 367                *bytesperline = pix->plane_fmt[0].bytesperline;
 368                break;
 369        case V4L2_PIX_FMT_YUYV:
 370        case V4L2_PIX_FMT_YVYU:
 371        case V4L2_PIX_FMT_VYUY:
 372        case V4L2_PIX_FMT_UYVY:
 373                *width = pix->width;
 374                *height = pix->height;
 375                *bytesperline = pix->plane_fmt[plane].bytesperline;
 376                break;
 377
 378        }
 379}
 380
 381static void vfe_wm_line_based(struct vfe_device *vfe, u32 wm,
 382                              struct v4l2_pix_format_mplane *pix,
 383                              u8 plane, u32 enable)
 384{
 385        u32 reg;
 386
 387        if (enable) {
 388                u16 width = 0, height = 0, bytesperline = 0, wpl;
 389
 390                vfe_get_wm_sizes(pix, plane, &width, &height, &bytesperline);
 391
 392                wpl = vfe_word_per_line_by_pixel(pix->pixelformat, width);
 393
 394                reg = height - 1;
 395                reg |= ((wpl + 3) / 4 - 1) << 16;
 396
 397                writel_relaxed(reg, vfe->base +
 398                               VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm));
 399
 400                wpl = vfe_word_per_line_by_bytes(bytesperline);
 401
 402                reg = 0x3;
 403                reg |= (height - 1) << 2;
 404                reg |= ((wpl + 1) / 2) << 16;
 405
 406                writel_relaxed(reg, vfe->base +
 407                               VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(wm));
 408        } else {
 409                writel_relaxed(0, vfe->base +
 410                               VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm));
 411                writel_relaxed(0, vfe->base +
 412                               VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(wm));
 413        }
 414}
 415
 416static void vfe_wm_set_framedrop_period(struct vfe_device *vfe, u8 wm, u8 per)
 417{
 418        u32 reg;
 419
 420        reg = readl_relaxed(vfe->base +
 421                            VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm));
 422
 423        reg &= ~(VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK);
 424
 425        reg |= (per << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_SHIFT)
 426                & VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK;
 427
 428        writel_relaxed(reg,
 429                       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm));
 430}
 431
 432static void vfe_wm_set_framedrop_pattern(struct vfe_device *vfe, u8 wm,
 433                                         u32 pattern)
 434{
 435        writel_relaxed(pattern,
 436               vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(wm));
 437}
 438
 439static void vfe_wm_set_ub_cfg(struct vfe_device *vfe, u8 wm,
 440                              u16 offset, u16 depth)
 441{
 442        u32 reg;
 443
 444        reg = (offset << VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG_OFFSET_SHIFT) |
 445                depth;
 446        writel_relaxed(reg, vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG(wm));
 447}
 448
 449static void vfe_bus_reload_wm(struct vfe_device *vfe, u8 wm)
 450{
 451        wmb();
 452        writel_relaxed(VFE_0_BUS_CMD_Mx_RLD_CMD(wm), vfe->base + VFE_0_BUS_CMD);
 453        wmb();
 454}
 455
 456static void vfe_wm_set_ping_addr(struct vfe_device *vfe, u8 wm, u32 addr)
 457{
 458        writel_relaxed(addr,
 459                       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(wm));
 460}
 461
 462static void vfe_wm_set_pong_addr(struct vfe_device *vfe, u8 wm, u32 addr)
 463{
 464        writel_relaxed(addr,
 465                       vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(wm));
 466}
 467
 468static int vfe_wm_get_ping_pong_status(struct vfe_device *vfe, u8 wm)
 469{
 470        u32 reg;
 471
 472        reg = readl_relaxed(vfe->base + VFE_0_BUS_PING_PONG_STATUS);
 473
 474        return (reg >> wm) & 0x1;
 475}
 476
 477static void vfe_bus_enable_wr_if(struct vfe_device *vfe, u8 enable)
 478{
 479        if (enable)
 480                writel_relaxed(0x101, vfe->base + VFE_0_BUS_CFG);
 481        else
 482                writel_relaxed(0, vfe->base + VFE_0_BUS_CFG);
 483}
 484
 485static void vfe_bus_connect_wm_to_rdi(struct vfe_device *vfe, u8 wm,
 486                                      enum vfe_line_id id)
 487{
 488        u32 reg;
 489
 490        reg = VFE_0_RDI_CFG_x_MIPI_EN_BITS;
 491        vfe_reg_set(vfe, VFE_0_RDI_CFG_x(0), reg);
 492
 493        reg = VFE_0_RDI_CFG_x_RDI_EN_BIT;
 494        reg |= ((3 * id) << VFE_0_RDI_CFG_x_RDI_STREAM_SEL_SHIFT) &
 495                VFE_0_RDI_CFG_x_RDI_STREAM_SEL_MASK;
 496        vfe_reg_set(vfe, VFE_0_RDI_CFG_x(id), reg);
 497
 498        switch (id) {
 499        case VFE_LINE_RDI0:
 500        default:
 501                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 <<
 502                      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 503                break;
 504        case VFE_LINE_RDI1:
 505                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 <<
 506                      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 507                break;
 508        case VFE_LINE_RDI2:
 509                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 <<
 510                      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 511                break;
 512        }
 513
 514        if (wm % 2 == 1)
 515                reg <<= 16;
 516
 517        vfe_reg_set(vfe, VFE_0_BUS_XBAR_CFG_x(wm), reg);
 518}
 519
 520static void vfe_wm_set_subsample(struct vfe_device *vfe, u8 wm)
 521{
 522        writel_relaxed(VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF,
 523               vfe->base +
 524               VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(wm));
 525}
 526
 527static void vfe_bus_disconnect_wm_from_rdi(struct vfe_device *vfe, u8 wm,
 528                                           enum vfe_line_id id)
 529{
 530        u32 reg;
 531
 532        reg = VFE_0_RDI_CFG_x_RDI_EN_BIT;
 533        vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(id), reg);
 534
 535        switch (id) {
 536        case VFE_LINE_RDI0:
 537        default:
 538                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 <<
 539                      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 540                break;
 541        case VFE_LINE_RDI1:
 542                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 <<
 543                      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 544                break;
 545        case VFE_LINE_RDI2:
 546                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 <<
 547                      VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 548                break;
 549        }
 550
 551        if (wm % 2 == 1)
 552                reg <<= 16;
 553
 554        vfe_reg_clr(vfe, VFE_0_BUS_XBAR_CFG_x(wm), reg);
 555}
 556
 557static void vfe_set_xbar_cfg(struct vfe_device *vfe, struct vfe_output *output,
 558                             u8 enable)
 559{
 560        struct vfe_line *line = container_of(output, struct vfe_line, output);
 561        u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 562        u32 reg;
 563
 564        switch (p) {
 565        case V4L2_PIX_FMT_NV12:
 566        case V4L2_PIX_FMT_NV21:
 567        case V4L2_PIX_FMT_NV16:
 568        case V4L2_PIX_FMT_NV61:
 569                reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA <<
 570                        VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT;
 571
 572                if (output->wm_idx[0] % 2 == 1)
 573                        reg <<= 16;
 574
 575                if (enable)
 576                        vfe_reg_set(vfe,
 577                                    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
 578                                    reg);
 579                else
 580                        vfe_reg_clr(vfe,
 581                                    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
 582                                    reg);
 583
 584                reg = VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN;
 585                if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV16)
 586                        reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA;
 587
 588                if (output->wm_idx[1] % 2 == 1)
 589                        reg <<= 16;
 590
 591                if (enable)
 592                        vfe_reg_set(vfe,
 593                                    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[1]),
 594                                    reg);
 595                else
 596                        vfe_reg_clr(vfe,
 597                                    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[1]),
 598                                    reg);
 599                break;
 600        case V4L2_PIX_FMT_YUYV:
 601        case V4L2_PIX_FMT_YVYU:
 602        case V4L2_PIX_FMT_VYUY:
 603        case V4L2_PIX_FMT_UYVY:
 604                reg = VFE_0_BUS_XBAR_CFG_x_M_REALIGN_BUF_EN;
 605                reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN;
 606
 607                if (p == V4L2_PIX_FMT_YUYV || p == V4L2_PIX_FMT_YVYU)
 608                        reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA;
 609
 610                if (output->wm_idx[0] % 2 == 1)
 611                        reg <<= 16;
 612
 613                if (enable)
 614                        vfe_reg_set(vfe,
 615                                    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
 616                                    reg);
 617                else
 618                        vfe_reg_clr(vfe,
 619                                    VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]),
 620                                    reg);
 621                break;
 622        default:
 623                break;
 624        }
 625}
 626
 627static void vfe_set_realign_cfg(struct vfe_device *vfe, struct vfe_line *line,
 628                                u8 enable)
 629{
 630        u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 631        u32 val = VFE_0_MODULE_ZOOM_EN_REALIGN_BUF;
 632
 633        if (p != V4L2_PIX_FMT_YUYV && p != V4L2_PIX_FMT_YVYU &&
 634                        p != V4L2_PIX_FMT_VYUY && p != V4L2_PIX_FMT_UYVY)
 635                return;
 636
 637        if (enable) {
 638                vfe_reg_set(vfe, VFE_0_MODULE_ZOOM_EN, val);
 639        } else {
 640                vfe_reg_clr(vfe, VFE_0_MODULE_ZOOM_EN, val);
 641                return;
 642        }
 643
 644        val = VFE_0_REALIGN_BUF_CFG_HSUB_ENABLE;
 645
 646        if (p == V4L2_PIX_FMT_UYVY || p == V4L2_PIX_FMT_YUYV)
 647                val |= VFE_0_REALIGN_BUF_CFG_CR_ODD_PIXEL;
 648        else
 649                val |= VFE_0_REALIGN_BUF_CFG_CB_ODD_PIXEL;
 650
 651        writel_relaxed(val, vfe->base + VFE_0_REALIGN_BUF_CFG);
 652}
 653
 654static void vfe_set_rdi_cid(struct vfe_device *vfe, enum vfe_line_id id, u8 cid)
 655{
 656        vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(id),
 657                    VFE_0_RDI_CFG_x_RDI_M0_SEL_MASK);
 658
 659        vfe_reg_set(vfe, VFE_0_RDI_CFG_x(id),
 660                    cid << VFE_0_RDI_CFG_x_RDI_M0_SEL_SHIFT);
 661}
 662
 663static void vfe_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id)
 664{
 665        vfe->reg_update |= VFE_0_REG_UPDATE_line_n(line_id);
 666        wmb();
 667        writel_relaxed(vfe->reg_update, vfe->base + VFE_0_REG_UPDATE);
 668        wmb();
 669}
 670
 671static inline void vfe_reg_update_clear(struct vfe_device *vfe,
 672                                        enum vfe_line_id line_id)
 673{
 674        vfe->reg_update &= ~VFE_0_REG_UPDATE_line_n(line_id);
 675}
 676
 677static void vfe_enable_irq_wm_line(struct vfe_device *vfe, u8 wm,
 678                                   enum vfe_line_id line_id, u8 enable)
 679{
 680        u32 irq_en0 = VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(wm) |
 681                      VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(line_id);
 682        u32 irq_en1 = VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(wm) |
 683                      VFE_0_IRQ_MASK_1_RDIn_SOF(line_id);
 684
 685        if (enable) {
 686                vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 687                vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 688        } else {
 689                vfe_reg_clr(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 690                vfe_reg_clr(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 691        }
 692}
 693
 694static void vfe_enable_irq_pix_line(struct vfe_device *vfe, u8 comp,
 695                                    enum vfe_line_id line_id, u8 enable)
 696{
 697        struct vfe_output *output = &vfe->line[line_id].output;
 698        unsigned int i;
 699        u32 irq_en0;
 700        u32 irq_en1;
 701        u32 comp_mask = 0;
 702
 703        irq_en0 = VFE_0_IRQ_MASK_0_CAMIF_SOF;
 704        irq_en0 |= VFE_0_IRQ_MASK_0_CAMIF_EOF;
 705        irq_en0 |= VFE_0_IRQ_MASK_0_IMAGE_COMPOSITE_DONE_n(comp);
 706        irq_en0 |= VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(line_id);
 707        irq_en1 = VFE_0_IRQ_MASK_1_CAMIF_ERROR;
 708        for (i = 0; i < output->wm_num; i++) {
 709                irq_en1 |= VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(
 710                                                        output->wm_idx[i]);
 711                comp_mask |= (1 << output->wm_idx[i]) << comp * 8;
 712        }
 713
 714        if (enable) {
 715                vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 716                vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 717                vfe_reg_set(vfe, VFE_0_IRQ_COMPOSITE_MASK_0, comp_mask);
 718        } else {
 719                vfe_reg_clr(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 720                vfe_reg_clr(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 721                vfe_reg_clr(vfe, VFE_0_IRQ_COMPOSITE_MASK_0, comp_mask);
 722        }
 723}
 724
 725static void vfe_enable_irq_common(struct vfe_device *vfe)
 726{
 727        u32 irq_en0 = VFE_0_IRQ_MASK_0_RESET_ACK;
 728        u32 irq_en1 = VFE_0_IRQ_MASK_1_VIOLATION |
 729                      VFE_0_IRQ_MASK_1_BUS_BDG_HALT_ACK;
 730
 731        vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0);
 732        vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1);
 733}
 734
 735static void vfe_set_demux_cfg(struct vfe_device *vfe, struct vfe_line *line)
 736{
 737        u32 val, even_cfg, odd_cfg;
 738
 739        writel_relaxed(VFE_0_DEMUX_CFG_PERIOD, vfe->base + VFE_0_DEMUX_CFG);
 740
 741        val = VFE_0_DEMUX_GAIN_0_CH0_EVEN | VFE_0_DEMUX_GAIN_0_CH0_ODD;
 742        writel_relaxed(val, vfe->base + VFE_0_DEMUX_GAIN_0);
 743
 744        val = VFE_0_DEMUX_GAIN_1_CH1 | VFE_0_DEMUX_GAIN_1_CH2;
 745        writel_relaxed(val, vfe->base + VFE_0_DEMUX_GAIN_1);
 746
 747        switch (line->fmt[MSM_VFE_PAD_SINK].code) {
 748        case MEDIA_BUS_FMT_YUYV8_2X8:
 749                even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV;
 750                odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV;
 751                break;
 752        case MEDIA_BUS_FMT_YVYU8_2X8:
 753                even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU;
 754                odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU;
 755                break;
 756        case MEDIA_BUS_FMT_UYVY8_2X8:
 757        default:
 758                even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY;
 759                odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_UYVY;
 760                break;
 761        case MEDIA_BUS_FMT_VYUY8_2X8:
 762                even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY;
 763                odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_VYUY;
 764                break;
 765        }
 766
 767        writel_relaxed(even_cfg, vfe->base + VFE_0_DEMUX_EVEN_CFG);
 768        writel_relaxed(odd_cfg, vfe->base + VFE_0_DEMUX_ODD_CFG);
 769}
 770
 771static inline u8 vfe_calc_interp_reso(u16 input, u16 output)
 772{
 773        if (input / output >= 16)
 774                return 0;
 775
 776        if (input / output >= 8)
 777                return 1;
 778
 779        if (input / output >= 4)
 780                return 2;
 781
 782        return 3;
 783}
 784
 785static void vfe_set_scale_cfg(struct vfe_device *vfe, struct vfe_line *line)
 786{
 787        u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 788        u32 reg;
 789        u16 input, output;
 790        u8 interp_reso;
 791        u32 phase_mult;
 792
 793        writel_relaxed(0x3, vfe->base + VFE_0_SCALE_ENC_Y_CFG);
 794
 795        input = line->fmt[MSM_VFE_PAD_SINK].width - 1;
 796        output = line->compose.width - 1;
 797        reg = (output << 16) | input;
 798        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE);
 799
 800        interp_reso = vfe_calc_interp_reso(input, output);
 801        phase_mult = input * (1 << (14 + interp_reso)) / output;
 802        reg = (interp_reso << 28) | phase_mult;
 803        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_PHASE);
 804
 805        input = line->fmt[MSM_VFE_PAD_SINK].height - 1;
 806        output = line->compose.height - 1;
 807        reg = (output << 16) | input;
 808        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE);
 809
 810        interp_reso = vfe_calc_interp_reso(input, output);
 811        phase_mult = input * (1 << (14 + interp_reso)) / output;
 812        reg = (interp_reso << 28) | phase_mult;
 813        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_V_PHASE);
 814
 815        writel_relaxed(0x3, vfe->base + VFE_0_SCALE_ENC_CBCR_CFG);
 816
 817        input = line->fmt[MSM_VFE_PAD_SINK].width - 1;
 818        output = line->compose.width / 2 - 1;
 819        reg = (output << 16) | input;
 820        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE);
 821
 822        interp_reso = vfe_calc_interp_reso(input, output);
 823        phase_mult = input * (1 << (14 + interp_reso)) / output;
 824        reg = (interp_reso << 28) | phase_mult;
 825        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_PHASE);
 826
 827        input = line->fmt[MSM_VFE_PAD_SINK].height - 1;
 828        output = line->compose.height - 1;
 829        if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21)
 830                output = line->compose.height / 2 - 1;
 831        reg = (output << 16) | input;
 832        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE);
 833
 834        interp_reso = vfe_calc_interp_reso(input, output);
 835        phase_mult = input * (1 << (14 + interp_reso)) / output;
 836        reg = (interp_reso << 28) | phase_mult;
 837        writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_V_PHASE);
 838}
 839
 840static void vfe_set_crop_cfg(struct vfe_device *vfe, struct vfe_line *line)
 841{
 842        u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat;
 843        u32 reg;
 844        u16 first, last;
 845
 846        first = line->crop.left;
 847        last = line->crop.left + line->crop.width - 1;
 848        reg = (first << 16) | last;
 849        writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_Y_WIDTH);
 850
 851        first = line->crop.top;
 852        last = line->crop.top + line->crop.height - 1;
 853        reg = (first << 16) | last;
 854        writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_Y_HEIGHT);
 855
 856        first = line->crop.left / 2;
 857        last = line->crop.left / 2 + line->crop.width / 2 - 1;
 858        reg = (first << 16) | last;
 859        writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_CBCR_WIDTH);
 860
 861        first = line->crop.top;
 862        last = line->crop.top + line->crop.height - 1;
 863        if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21) {
 864                first = line->crop.top / 2;
 865                last = line->crop.top / 2 + line->crop.height / 2 - 1;
 866        }
 867        reg = (first << 16) | last;
 868        writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_CBCR_HEIGHT);
 869}
 870
 871static void vfe_set_clamp_cfg(struct vfe_device *vfe)
 872{
 873        u32 val = VFE_0_CLAMP_ENC_MAX_CFG_CH0 |
 874                VFE_0_CLAMP_ENC_MAX_CFG_CH1 |
 875                VFE_0_CLAMP_ENC_MAX_CFG_CH2;
 876
 877        writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MAX_CFG);
 878
 879        val = VFE_0_CLAMP_ENC_MIN_CFG_CH0 |
 880                VFE_0_CLAMP_ENC_MIN_CFG_CH1 |
 881                VFE_0_CLAMP_ENC_MIN_CFG_CH2;
 882
 883        writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MIN_CFG);
 884}
 885
 886static void vfe_set_qos(struct vfe_device *vfe)
 887{
 888        u32 val = VFE_0_BUS_BDG_QOS_CFG_0_CFG;
 889        u32 val7 = VFE_0_BUS_BDG_QOS_CFG_7_CFG;
 890
 891        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_0);
 892        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_1);
 893        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_2);
 894        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_3);
 895        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_4);
 896        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_5);
 897        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_6);
 898        writel_relaxed(val7, vfe->base + VFE_0_BUS_BDG_QOS_CFG_7);
 899}
 900
 901static void vfe_set_ds(struct vfe_device *vfe)
 902{
 903        u32 val = VFE_0_BUS_BDG_DS_CFG_0_CFG;
 904        u32 val16 = VFE_0_BUS_BDG_DS_CFG_16_CFG;
 905
 906        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_0);
 907        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_1);
 908        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_2);
 909        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_3);
 910        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_4);
 911        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_5);
 912        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_6);
 913        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_7);
 914        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_8);
 915        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_9);
 916        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_10);
 917        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_11);
 918        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_12);
 919        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_13);
 920        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_14);
 921        writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_15);
 922        writel_relaxed(val16, vfe->base + VFE_0_BUS_BDG_DS_CFG_16);
 923}
 924
 925static void vfe_set_cgc_override(struct vfe_device *vfe, u8 wm, u8 enable)
 926{
 927        /* empty */
 928}
 929
 930static void vfe_set_camif_cfg(struct vfe_device *vfe, struct vfe_line *line)
 931{
 932        u32 val;
 933
 934        switch (line->fmt[MSM_VFE_PAD_SINK].code) {
 935        case MEDIA_BUS_FMT_YUYV8_2X8:
 936                val = VFE_0_CORE_CFG_PIXEL_PATTERN_YCBYCR;
 937                break;
 938        case MEDIA_BUS_FMT_YVYU8_2X8:
 939                val = VFE_0_CORE_CFG_PIXEL_PATTERN_YCRYCB;
 940                break;
 941        case MEDIA_BUS_FMT_UYVY8_2X8:
 942        default:
 943                val = VFE_0_CORE_CFG_PIXEL_PATTERN_CBYCRY;
 944                break;
 945        case MEDIA_BUS_FMT_VYUY8_2X8:
 946                val = VFE_0_CORE_CFG_PIXEL_PATTERN_CRYCBY;
 947                break;
 948        }
 949
 950        val |= VFE_0_CORE_CFG_COMPOSITE_REG_UPDATE_EN;
 951        writel_relaxed(val, vfe->base + VFE_0_CORE_CFG);
 952
 953        val = line->fmt[MSM_VFE_PAD_SINK].width * 2 - 1;
 954        val |= (line->fmt[MSM_VFE_PAD_SINK].height - 1) << 16;
 955        writel_relaxed(val, vfe->base + VFE_0_CAMIF_FRAME_CFG);
 956
 957        val = line->fmt[MSM_VFE_PAD_SINK].width * 2 - 1;
 958        writel_relaxed(val, vfe->base + VFE_0_CAMIF_WINDOW_WIDTH_CFG);
 959
 960        val = line->fmt[MSM_VFE_PAD_SINK].height - 1;
 961        writel_relaxed(val, vfe->base + VFE_0_CAMIF_WINDOW_HEIGHT_CFG);
 962
 963        val = 0xffffffff;
 964        writel_relaxed(val, vfe->base + VFE_0_CAMIF_SUBSAMPLE_CFG);
 965
 966        val = 0xffffffff;
 967        writel_relaxed(val, vfe->base + VFE_0_CAMIF_IRQ_FRAMEDROP_PATTERN);
 968
 969        val = 0xffffffff;
 970        writel_relaxed(val, vfe->base + VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN);
 971
 972        val = VFE_0_RDI_CFG_x_MIPI_EN_BITS;
 973        vfe_reg_set(vfe, VFE_0_RDI_CFG_x(0), val);
 974
 975        val = VFE_0_CAMIF_CFG_VFE_OUTPUT_EN;
 976        writel_relaxed(val, vfe->base + VFE_0_CAMIF_CFG);
 977}
 978
 979static void vfe_set_camif_cmd(struct vfe_device *vfe, u8 enable)
 980{
 981        u32 cmd;
 982
 983        cmd = VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS | VFE_0_CAMIF_CMD_NO_CHANGE;
 984        writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD);
 985        wmb();
 986
 987        if (enable)
 988                cmd = VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY;
 989        else
 990                cmd = VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY;
 991
 992        writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD);
 993}
 994
 995static void vfe_set_module_cfg(struct vfe_device *vfe, u8 enable)
 996{
 997        u32 val_lens = VFE_0_MODULE_LENS_EN_DEMUX |
 998                       VFE_0_MODULE_LENS_EN_CHROMA_UPSAMPLE;
 999        u32 val_zoom = VFE_0_MODULE_ZOOM_EN_SCALE_ENC |
1000                       VFE_0_MODULE_ZOOM_EN_CROP_ENC;
1001
1002        if (enable) {
1003                vfe_reg_set(vfe, VFE_0_MODULE_LENS_EN, val_lens);
1004                vfe_reg_set(vfe, VFE_0_MODULE_ZOOM_EN, val_zoom);
1005        } else {
1006                vfe_reg_clr(vfe, VFE_0_MODULE_LENS_EN, val_lens);
1007                vfe_reg_clr(vfe, VFE_0_MODULE_ZOOM_EN, val_zoom);
1008        }
1009}
1010
1011static int vfe_camif_wait_for_stop(struct vfe_device *vfe, struct device *dev)
1012{
1013        u32 val;
1014        int ret;
1015
1016        ret = readl_poll_timeout(vfe->base + VFE_0_CAMIF_STATUS,
1017                                 val,
1018                                 (val & VFE_0_CAMIF_STATUS_HALT),
1019                                 CAMIF_TIMEOUT_SLEEP_US,
1020                                 CAMIF_TIMEOUT_ALL_US);
1021        if (ret < 0)
1022                dev_err(dev, "%s: camif stop timeout\n", __func__);
1023
1024        return ret;
1025}
1026
1027static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1)
1028{
1029        *value0 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_0);
1030        *value1 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_1);
1031
1032        writel_relaxed(*value0, vfe->base + VFE_0_IRQ_CLEAR_0);
1033        writel_relaxed(*value1, vfe->base + VFE_0_IRQ_CLEAR_1);
1034
1035        wmb();
1036        writel_relaxed(VFE_0_IRQ_CMD_GLOBAL_CLEAR, vfe->base + VFE_0_IRQ_CMD);
1037}
1038
1039static void vfe_violation_read(struct vfe_device *vfe)
1040{
1041        u32 violation = readl_relaxed(vfe->base + VFE_0_VIOLATION_STATUS);
1042
1043        pr_err_ratelimited("VFE: violation = 0x%08x\n", violation);
1044}
1045
1046/*
1047 * vfe_isr - ISPIF module interrupt handler
1048 * @irq: Interrupt line
1049 * @dev: VFE device
1050 *
1051 * Return IRQ_HANDLED on success
1052 */
1053static irqreturn_t vfe_isr(int irq, void *dev)
1054{
1055        struct vfe_device *vfe = dev;
1056        u32 value0, value1;
1057        int i, j;
1058
1059        vfe->ops->isr_read(vfe, &value0, &value1);
1060
1061        trace_printk("VFE: status0 = 0x%08x, status1 = 0x%08x\n",
1062                     value0, value1);
1063
1064        if (value0 & VFE_0_IRQ_STATUS_0_RESET_ACK)
1065                vfe->isr_ops.reset_ack(vfe);
1066
1067        if (value1 & VFE_0_IRQ_STATUS_1_VIOLATION)
1068                vfe->ops->violation_read(vfe);
1069
1070        if (value1 & VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK)
1071                vfe->isr_ops.halt_ack(vfe);
1072
1073        for (i = VFE_LINE_RDI0; i <= VFE_LINE_PIX; i++)
1074                if (value0 & VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(i))
1075                        vfe->isr_ops.reg_update(vfe, i);
1076
1077        if (value0 & VFE_0_IRQ_STATUS_0_CAMIF_SOF)
1078                vfe->isr_ops.sof(vfe, VFE_LINE_PIX);
1079
1080        for (i = VFE_LINE_RDI0; i <= VFE_LINE_RDI2; i++)
1081                if (value1 & VFE_0_IRQ_STATUS_1_RDIn_SOF(i))
1082                        vfe->isr_ops.sof(vfe, i);
1083
1084        for (i = 0; i < MSM_VFE_COMPOSITE_IRQ_NUM; i++)
1085                if (value0 & VFE_0_IRQ_STATUS_0_IMAGE_COMPOSITE_DONE_n(i)) {
1086                        vfe->isr_ops.comp_done(vfe, i);
1087                        for (j = 0; j < ARRAY_SIZE(vfe->wm_output_map); j++)
1088                                if (vfe->wm_output_map[j] == VFE_LINE_PIX)
1089                                        value0 &= ~VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(j);
1090                }
1091
1092        for (i = 0; i < MSM_VFE_IMAGE_MASTERS_NUM; i++)
1093                if (value0 & VFE_0_IRQ_STATUS_0_IMAGE_MASTER_n_PING_PONG(i))
1094                        vfe->isr_ops.wm_done(vfe, i);
1095
1096        return IRQ_HANDLED;
1097}
1098
1099const struct vfe_hw_ops vfe_ops_4_7 = {
1100        .hw_version_read = vfe_hw_version_read,
1101        .get_ub_size = vfe_get_ub_size,
1102        .global_reset = vfe_global_reset,
1103        .halt_request = vfe_halt_request,
1104        .halt_clear = vfe_halt_clear,
1105        .wm_enable = vfe_wm_enable,
1106        .wm_frame_based = vfe_wm_frame_based,
1107        .wm_line_based = vfe_wm_line_based,
1108        .wm_set_framedrop_period = vfe_wm_set_framedrop_period,
1109        .wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern,
1110        .wm_set_ub_cfg = vfe_wm_set_ub_cfg,
1111        .bus_reload_wm = vfe_bus_reload_wm,
1112        .wm_set_ping_addr = vfe_wm_set_ping_addr,
1113        .wm_set_pong_addr = vfe_wm_set_pong_addr,
1114        .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status,
1115        .bus_enable_wr_if = vfe_bus_enable_wr_if,
1116        .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi,
1117        .wm_set_subsample = vfe_wm_set_subsample,
1118        .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi,
1119        .set_xbar_cfg = vfe_set_xbar_cfg,
1120        .set_realign_cfg = vfe_set_realign_cfg,
1121        .set_rdi_cid = vfe_set_rdi_cid,
1122        .reg_update = vfe_reg_update,
1123        .reg_update_clear = vfe_reg_update_clear,
1124        .enable_irq_wm_line = vfe_enable_irq_wm_line,
1125        .enable_irq_pix_line = vfe_enable_irq_pix_line,
1126        .enable_irq_common = vfe_enable_irq_common,
1127        .set_demux_cfg = vfe_set_demux_cfg,
1128        .set_scale_cfg = vfe_set_scale_cfg,
1129        .set_crop_cfg = vfe_set_crop_cfg,
1130        .set_clamp_cfg = vfe_set_clamp_cfg,
1131        .set_qos = vfe_set_qos,
1132        .set_ds = vfe_set_ds,
1133        .set_cgc_override = vfe_set_cgc_override,
1134        .set_camif_cfg = vfe_set_camif_cfg,
1135        .set_camif_cmd = vfe_set_camif_cmd,
1136        .set_module_cfg = vfe_set_module_cfg,
1137        .camif_wait_for_stop = vfe_camif_wait_for_stop,
1138        .isr_read = vfe_isr_read,
1139        .violation_read = vfe_violation_read,
1140        .isr = vfe_isr,
1141};
1142