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media: i2c: ov7251: update regs and exposure
Change-Id: I88f98bc9a326a1f7414d22e4fd51fa735c46472b Signed-off-by: Cai YiWei <cyw@rock-chips.com>
This commit is contained in:
Cai YiWei
Tao Huang
parent
45da3b1bff
commit
b41c3c70fb
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@ -23,52 +23,43 @@
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#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
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#endif
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/* 80Mhz */
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#define OV7251_PIXEL_RATE (80 * 1000 * 1000)
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/* 48Mhz */
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#define OV7251_PIXEL_RATE (48 * 1000 * 1000)
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#define OV7251_XVCLK_FREQ 24000000
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#define CHIP_ID 0x007750
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#define OV7251_REG_CHIP_ID 0x300a
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#define CHIP_ID 0x007750
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#define OV7251_REG_CHIP_ID 0x300a
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#define OV7251_REG_MOD_VENDOR_ID 0x3d10
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#define OV7251_REG_OPT_LOAD_CTRL 0x3d81
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#define OV7251_REG_CTRL_MODE 0x0100
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#define OV7251_MODE_SW_STANDBY 0x0
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#define OV7251_MODE_SW_STANDBY 0x0
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#define OV7251_MODE_STREAMING BIT(0)
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#define OV7251_REG_EXPOSURE 0x3500
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#define OV7251_EXPOSURE_MIN 1
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#define OV7251_EXPOSURE_STEP 1
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#define OV7251_VTS_MAX 0xffff /* for test */
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#define OV7251_EXPOSURE_MIN 4
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#define OV7251_EXPOSURE_STEP 0xf
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#define OV7251_VTS_MAX 0xffff
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#define OV7251_REG_ANALOG_GAIN 0x350a
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#define ANALOG_GAIN_MASK 0x3ff
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#define ANALOG_GAIN_MIN 0x10
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#define ANALOG_GAIN_MAX 0x3e0
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#define ANALOG_GAIN_STEP 1
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#define ANALOG_GAIN_DEFAULT 0x20
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#define OV7251_REG_DIGI_GAIN_H 0x350a
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#define OV7251_REG_DIGI_GAIN_L 0x350b
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#define OV7251_DIGI_GAIN_L_MASK 0xff
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#define OV7251_DIGI_GAIN_H_SHIFT 3
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#define OV7251_DIGI_GAIN_MIN 0x10
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#define OV7251_DIGI_GAIN_MAX 0x3e0
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#define OV7251_DIGI_GAIN_STEP 1
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#define OV7251_DIGI_GAIN_DEFAULT 32 /* for test */
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/* #define OV7251_DIGI_GAIN_MIN 0
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*#define OV7251_DIGI_GAIN_MAX (0x800 - 1)
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*#define OV7251_DIGI_GAIN_STEP 1
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*#define OV7251_DIGI_GAIN_DEFAULT 1024
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*/
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#define OV7251_REG_TEST_PATTERN 0x5e00
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#define OV7251_TEST_PATTERN_ENABLE 0x80
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#define OV7251_TEST_PATTERN_DISABLE 0x0
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#define OV7251_REG_VTS 0x380e
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#define OV7251_REG_VTS 0x380e
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#define REG_NULL 0xFFFF
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#define REG_NULL 0xFFFF
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#define OV7251_REG_VALUE_08BIT 1
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#define OV7251_REG_VALUE_16BIT 2
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#define OV7251_REG_VALUE_24BIT 3
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#define OV7251_LANES 1
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#define OV7251_BITS_PER_SAMPLE 10
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static const char * const ov7251_supply_names[] = {
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"avdd", /* Analog power */
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"dovdd", /* Digital I/O power */
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@ -117,17 +108,20 @@ struct ov7251 {
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/*
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* Xclk 24Mhz
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* Pclk 80Mhz
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* Pclk 48Mhz
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* PCLK = HTS * VTS * FPS
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* linelength 928(0x3a0)
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* framelength 516(0x204)
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* framelength 1720(0x6b8)
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* grabwindow_width 640
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* grabwindow_height 480
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* max_framerate 30fps
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* mipi_datarate per lane 800Mbps
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* mipi_datarate per lane 640Mbps
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*/
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static const struct regval ov7251_640x480_regs[] = {
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{0x0103, 0x01},
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{0x0100, 0x00},
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{0x0103, 0x01},
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{0x3001, 0x62},
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{0x3005, 0x00},
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{0x3012, 0xc0},
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{0x3013, 0xd2},
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@ -137,7 +131,7 @@ static const struct regval ov7251_640x480_regs[] = {
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{0x3018, 0x00},
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{0x301a, 0x00},
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{0x301b, 0x00},
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{0x301c, 0x00},
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{0x301c, 0x20},
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{0x3023, 0x05},
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{0x3037, 0xf0},
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{0x3098, 0x04},
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@ -198,17 +192,12 @@ static const struct regval ov7251_640x480_regs[] = {
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{0x380b, 0xe0},
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{0x380c, 0x03},
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{0x380d, 0xa0},
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{0x380e, 0x02},
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{0x380f, 0x04},
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/* {0x380c, 0x03},
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* {0x380d, 0x04},
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* {0x380e, 0x02},
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* {0x380f, 0x04},
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*/
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{0x380e, 0x06},
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{0x380f, 0xb8},
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{0x3810, 0x00},
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{0x3811, 0x04},
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{0x3811, 0x02},
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{0x3812, 0x00},
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{0x3813, 0x05},
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{0x3813, 0x02},
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{0x3814, 0x11},
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{0x3815, 0x11},
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{0x3820, 0x40},
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@ -272,7 +261,6 @@ static const struct regval ov7251_640x480_regs[] = {
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{0x4a4b, 0x30},
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{0x5000, 0x85},
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{0x5001, 0x80},
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{0x0100, 0x01},
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{REG_NULL, 0x00},
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};
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@ -281,16 +269,16 @@ static const struct ov7251_mode supported_modes[] = {
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.width = 640,
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.height = 480,
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.max_fps = 30,
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.exp_def = 0x1f80, /* 0x0080 */
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.hts_def = 0x03a0, /* 0x0974 */
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.vts_def = 0x0204, /* 0x044e */
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.exp_def = 0x061c,
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.hts_def = 0x03a0,
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.vts_def = 0x06b8,
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.reg_list = ov7251_640x480_regs,
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},
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};
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#define OV7251_LINK_FREQ_800MHZ 400000000
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#define OV7251_LINK_FREQ_320MHZ 320000000
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static const s64 link_freq_menu_items[] = {
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OV7251_LINK_FREQ_800MHZ
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OV7251_LINK_FREQ_320MHZ
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};
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static const char * const ov7251_test_pattern_menu[] = {
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@ -509,6 +497,20 @@ static int ov7251_enable_test_pattern(struct ov7251 *ov7251, u32 pattern)
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OV7251_REG_VALUE_08BIT, val);
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}
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static int ov7251_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *fi)
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{
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struct ov7251 *ov7251 = to_ov7251(sd);
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const struct ov7251_mode *mode = ov7251->cur_mode;
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mutex_lock(&ov7251->mutex);
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fi->interval.numerator = 10000;
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fi->interval.denominator = mode->max_fps * 10000;
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mutex_unlock(&ov7251->mutex);
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return 0;
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}
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static int __ov7251_start_stream(struct ov7251 *ov7251)
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{
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int ret;
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@ -683,6 +685,7 @@ static const struct v4l2_subdev_internal_ops ov7251_internal_ops = {
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static const struct v4l2_subdev_video_ops ov7251_video_ops = {
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.s_stream = ov7251_s_stream,
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.g_frame_interval = ov7251_g_frame_interval,
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};
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static const struct v4l2_subdev_pad_ops ov7251_pad_ops = {
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@ -709,7 +712,7 @@ static int ov7251_set_ctrl(struct v4l2_ctrl *ctrl)
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switch (ctrl->id) {
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case V4L2_CID_VBLANK:
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/* Update max exposure while meeting expected vblanking */
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max = ov7251->cur_mode->height + ctrl->val - 4;
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max = ov7251->cur_mode->height + ctrl->val - 20;
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__v4l2_ctrl_modify_range(ov7251->exposure,
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ov7251->exposure->minimum, max,
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ov7251->exposure->step,
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@ -726,13 +729,10 @@ static int ov7251_set_ctrl(struct v4l2_ctrl *ctrl)
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ret = ov7251_write_reg(ov7251->client, OV7251_REG_EXPOSURE,
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OV7251_REG_VALUE_24BIT, ctrl->val << 4);
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break;
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case V4L2_CID_DIGITAL_GAIN:
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ret = ov7251_write_reg(ov7251->client, OV7251_REG_DIGI_GAIN_L,
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OV7251_REG_VALUE_08BIT,
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ctrl->val & OV7251_DIGI_GAIN_L_MASK);
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ret |= ov7251_write_reg(ov7251->client, OV7251_REG_DIGI_GAIN_H,
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OV7251_REG_VALUE_08BIT,
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ctrl->val >> OV7251_DIGI_GAIN_H_SHIFT);
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case V4L2_CID_ANALOGUE_GAIN:
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ret = ov7251_write_reg(ov7251->client, OV7251_REG_ANALOG_GAIN,
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OV7251_REG_VALUE_16BIT,
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ctrl->val & ANALOG_GAIN_MASK);
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break;
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case V4L2_CID_VBLANK:
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ret = ov7251_write_reg(ov7251->client, OV7251_REG_VTS,
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@ -798,11 +798,11 @@ static int ov7251_initialize_controls(struct ov7251 *ov7251)
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V4L2_CID_EXPOSURE, OV7251_EXPOSURE_MIN,
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exposure_max, OV7251_EXPOSURE_STEP,
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mode->exp_def);
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/* Digital gain */
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ov7251->digi_gain = v4l2_ctrl_new_std(handler, &ov7251_ctrl_ops,
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V4L2_CID_DIGITAL_GAIN, OV7251_DIGI_GAIN_MIN,
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OV7251_DIGI_GAIN_MAX, OV7251_DIGI_GAIN_STEP,
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OV7251_DIGI_GAIN_DEFAULT);
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ov7251->anal_gain = v4l2_ctrl_new_std(handler, &ov7251_ctrl_ops,
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V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN,
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ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
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ANALOG_GAIN_DEFAULT);
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ov7251->test_pattern = v4l2_ctrl_new_std_menu_items(handler,
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&ov7251_ctrl_ops, V4L2_CID_TEST_PATTERN,
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@ -1011,4 +1011,4 @@ device_initcall_sync(sensor_mod_init);
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module_exit(sensor_mod_exit);
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MODULE_DESCRIPTION("OmniVision ov7251 sensor driver");
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MODULE_LICENSE("GPL v2");
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MODULE_LICENSE("GPL v2");
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