#include "cx25821-medusa-video.h"
#include "cx25821-biffuncs.h"
-/////////////////////////////////////////////////////////////////////////////////////////
-//medusa_enable_bluefield_output()
-//
-// Enable the generation of blue filed output if no video
-//
+/*
+ * medusa_enable_bluefield_output()
+ *
+ * Enable the generation of blue filed output if no video
+ *
+ */
static void medusa_enable_bluefield_output(struct cx25821_dev *dev, int channel,
int enable)
{
}
value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl, &tmp);
- value &= 0xFFFFFF7F; // clear BLUE_FIELD_EN
+ value &= 0xFFFFFF7F; /* clear BLUE_FIELD_EN */
if (enable)
- value |= 0x00000080; // set BLUE_FIELD_EN
+ value |= 0x00000080; /* set BLUE_FIELD_EN */
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl, value);
value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl_ns, &tmp);
value &= 0xFFFFFF7F;
if (enable)
- value |= 0x00000080; // set BLUE_FIELD_EN
+ value |= 0x00000080; /* set BLUE_FIELD_EN */
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl_ns, value);
}
mutex_lock(&dev->lock);
for (i = 0; i < MAX_DECODERS; i++) {
- // set video format NTSC-M
+ /* set video format NTSC-M */
value =
cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL + (0x200 * i),
&tmp);
value &= 0xFFFFFFF0;
- value |= 0x10001; // enable the fast locking mode bit[16]
+ /* enable the fast locking mode bit[16] */
+ value |= 0x10001;
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL + (0x200 * i),
value);
- // resolution NTSC 720x480
+ /* resolution NTSC 720x480 */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
HORIZ_TIM_CTRL + (0x200 * i), &tmp);
cx25821_i2c_read(&dev->i2c_bus[0],
VERT_TIM_CTRL + (0x200 * i), &tmp);
value &= 0x00C00C00;
- value |= 0x1C1E001A; // vblank_cnt + 2 to get camera ID
+ value |= 0x1C1E001A; /* vblank_cnt + 2 to get camera ID */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
VERT_TIM_CTRL + (0x200 * i), value);
- // chroma subcarrier step size
+ /* chroma subcarrier step size */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
SC_STEP_SIZE + (0x200 * i), 0x43E00000);
- // enable VIP optional active
+ /* enable VIP optional active */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
OUT_CTRL_NS + (0x200 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
OUT_CTRL_NS + (0x200 * i), value);
- // enable VIP optional active (VIP_OPT_AL) for direct output.
+ /* enable VIP optional active (VIP_OPT_AL) for direct output. */
value =
cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1 + (0x200 * i),
&tmp);
cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1 + (0x200 * i),
value);
- // clear VPRES_VERT_EN bit, fixes the chroma run away problem
- // when the input switching rate < 16 fields
- //
+ /*
+ * clear VPRES_VERT_EN bit, fixes the chroma run away problem
+ * when the input switching rate < 16 fields
+ */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
MISC_TIM_CTRL + (0x200 * i), &tmp);
- value = setBitAtPos(value, 14); // disable special play detection
+ /* disable special play detection */
+ value = setBitAtPos(value, 14);
value = clearBitAtPos(value, 15);
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
MISC_TIM_CTRL + (0x200 * i), value);
- // set vbi_gate_en to 0
+ /* set vbi_gate_en to 0 */
value =
cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1 + (0x200 * i),
&tmp);
cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1 + (0x200 * i),
value);
- // Enable the generation of blue field output if no video
+ /* Enable the generation of blue field output if no video */
medusa_enable_bluefield_output(dev, i, 1);
}
for (i = 0; i < MAX_ENCODERS; i++) {
- // NTSC hclock
+ /* NTSC hclock */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_1 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_1 + (0x100 * i), value);
- // burst begin and burst end
+ /* burst begin and burst end */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_2 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_3 + (0x100 * i), value);
- // set NTSC vblank, no phase alternation, 7.5 IRE pedestal
+ /* set NTSC vblank, no phase alternation, 7.5 IRE pedestal */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_4 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_6 + (0x100 * i), 0x009A89C1);
- // Subcarrier Increment
+ /* Subcarrier Increment */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_7 + (0x100 * i), 0x21F07C1F);
}
- //set picture resolutions
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0); //0 - 720
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0); //0 - 480
+ /* set picture resolutions */
+ /* 0 - 720 */
+ ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0);
+ /* 0 - 480 */
+ ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0);
- // set Bypass input format to NTSC 525 lines
+ /* set Bypass input format to NTSC 525 lines */
value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp);
value |= 0x00080200;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value);
int ret_val = -1;
u32 value = 0, tmp = 0;
- // Setup for 2D threshold
+ /* Setup for 2D threshold */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_HFS_CFG + (0x200 * dec),
0x20002861);
cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_LF_CFG + (0x200 * dec),
0x200A1023);
- // Setup flat chroma and luma thresholds
+ /* Setup flat chroma and luma thresholds */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
COMB_FLAT_THRESH_CTRL + (0x200 * dec), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
COMB_FLAT_THRESH_CTRL + (0x200 * dec), value);
- // set comb 2D blend
+ /* set comb 2D blend */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_BLEND + (0x200 * dec),
0x210F0F0F);
- // COMB MISC CONTROL
+ /* COMB MISC CONTROL */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], COMB_MISC_CTRL + (0x200 * dec),
0x41120A7F);
mutex_lock(&dev->lock);
for (i = 0; i < MAX_DECODERS; i++) {
- // set video format PAL-BDGHI
+ /* set video format PAL-BDGHI */
value =
cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL + (0x200 * i),
&tmp);
value &= 0xFFFFFFF0;
- value |= 0x10004; // enable the fast locking mode bit[16]
+ /* enable the fast locking mode bit[16] */
+ value |= 0x10004;
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL + (0x200 * i),
value);
- // resolution PAL 720x576
+ /* resolution PAL 720x576 */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
HORIZ_TIM_CTRL + (0x200 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
HORIZ_TIM_CTRL + (0x200 * i), value);
- // vblank656_cnt=x26, vactive_cnt=240h, vblank_cnt=x24
+ /* vblank656_cnt=x26, vactive_cnt=240h, vblank_cnt=x24 */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
VERT_TIM_CTRL + (0x200 * i), &tmp);
value &= 0x00C00C00;
- value |= 0x28240026; // vblank_cnt + 2 to get camera ID
+ value |= 0x28240026; /* vblank_cnt + 2 to get camera ID */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
VERT_TIM_CTRL + (0x200 * i), value);
- // chroma subcarrier step size
+ /* chroma subcarrier step size */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
SC_STEP_SIZE + (0x200 * i), 0x5411E2D0);
- // enable VIP optional active
+ /* enable VIP optional active */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
OUT_CTRL_NS + (0x200 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
OUT_CTRL_NS + (0x200 * i), value);
- // enable VIP optional active (VIP_OPT_AL) for direct output.
+ /* enable VIP optional active (VIP_OPT_AL) for direct output. */
value =
cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1 + (0x200 * i),
&tmp);
cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1 + (0x200 * i),
value);
- // clear VPRES_VERT_EN bit, fixes the chroma run away problem
- // when the input switching rate < 16 fields
+ /*
+ * clear VPRES_VERT_EN bit, fixes the chroma run away problem
+ * when the input switching rate < 16 fields
+ */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
MISC_TIM_CTRL + (0x200 * i), &tmp);
- value = setBitAtPos(value, 14); // disable special play detection
+ /* disable special play detection */
+ value = setBitAtPos(value, 14);
value = clearBitAtPos(value, 15);
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
MISC_TIM_CTRL + (0x200 * i), value);
- // set vbi_gate_en to 0
+ /* set vbi_gate_en to 0 */
value =
cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1 + (0x200 * i),
&tmp);
medusa_PALCombInit(dev, i);
- // Enable the generation of blue field output if no video
+ /* Enable the generation of blue field output if no video */
medusa_enable_bluefield_output(dev, i, 1);
}
for (i = 0; i < MAX_ENCODERS; i++) {
- // PAL hclock
+ /* PAL hclock */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_1 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_1 + (0x100 * i), value);
- // burst begin and burst end
+ /* burst begin and burst end */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_2 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_2 + (0x100 * i), value);
- // hblank and vactive
+ /* hblank and vactive */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_3 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_3 + (0x100 * i), value);
- // set PAL vblank, phase alternation, 0 IRE pedestal
+ /* set PAL vblank, phase alternation, 0 IRE pedestal */
value =
cx25821_i2c_read(&dev->i2c_bus[0],
DENC_A_REG_4 + (0x100 * i), &tmp);
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_6 + (0x100 * i), 0x00A493CF);
- // Subcarrier Increment
+ /* Subcarrier Increment */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
DENC_A_REG_7 + (0x100 * i), 0x2A098ACB);
}
- //set picture resolutions
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0); //0 - 720
- ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0); //0 - 576
+ /* set picture resolutions */
+ /* 0 - 720 */
+ ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0);
+ /* 0 - 576 */
+ ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0);
- // set Bypass input format to PAL 625 lines
+ /* set Bypass input format to PAL 625 lines */
value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp);
value &= 0xFFF7FDFF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value);
int status = STATUS_SUCCESS;
u32 value = 0, tmp = 0;
- if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) {
+ if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
status = medusa_initialize_pal(dev);
- } else {
+ else
status = medusa_initialize_ntsc(dev);
- }
- // Enable DENC_A output
+ /* Enable DENC_A output */
value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4, &tmp);
value = setBitAtPos(value, 4);
status = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4, value);
- // Enable DENC_B output
+ /* Enable DENC_B output */
value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_B_REG_4, &tmp);
value = setBitAtPos(value, 4);
status = cx25821_i2c_write(&dev->i2c_bus[0], DENC_B_REG_4, value);
mutex_lock(&dev->lock);
- // validate the width - cannot be negative
+ /* validate the width - cannot be negative */
if (width > MAX_WIDTH) {
printk
- ("cx25821 %s() : width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH \n",
+ ("cx25821 %s() : width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH\n",
__func__, width, MAX_WIDTH);
width = MAX_WIDTH;
}
vscale = 0x1E00;
break;
- default: //720
+ default: /* 720 */
hscale = 0x0;
vscale = 0x0;
break;
}
for (; decoder < decoder_count; decoder++) {
- // write scaling values for each decoder
+ /* write scaling values for each decoder */
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0],
HSCALE_CTRL + (0x200 * decoder), hscale);
mutex_lock(&dev->lock);
- // no support
+ /* no support */
if (decoder < VDEC_A && decoder > VDEC_H) {
mutex_unlock(&dev->lock);
return;
_display_field_cnt[decoder] = duration;
- // update hardware
+ /* update hardware */
fld_cnt = cx25821_i2c_read(&dev->i2c_bus[0], disp_cnt_reg, &tmp);
- if (!(decoder % 2)) // EVEN decoder
- {
+ if (!(decoder % 2)) { /* EVEN decoder */
fld_cnt &= 0xFFFF0000;
fld_cnt |= duration;
} else {
mutex_unlock(&dev->lock);
}
-/////////////////////////////////////////////////////////////////////////////////////////
-// Map to Medusa register setting
+/* Map to Medusa register setting */
static int mapM(int srcMin,
int srcMax, int srcVal, int dstMin, int dstMax, int *dstVal)
{
int denominator;
int quotient;
- if ((srcMin == srcMax) || (srcVal < srcMin) || (srcVal > srcMax)) {
+ if ((srcMin == srcMax) || (srcVal < srcMin) || (srcVal > srcMax))
return -1;
- }
- // This is the overall expression used:
- // *dstVal = (srcVal - srcMin)*(dstMax - dstMin) / (srcMax - srcMin) + dstMin;
- // but we need to account for rounding so below we use the modulus
- // operator to find the remainder and increment if necessary.
+ /*
+ * This is the overall expression used:
+ * *dstVal =
+ * (srcVal - srcMin)*(dstMax - dstMin) / (srcMax - srcMin) + dstMin;
+ * but we need to account for rounding so below we use the modulus
+ * operator to find the remainder and increment if necessary.
+ */
numerator = (srcVal - srcMin) * (dstMax - dstMin);
denominator = srcMax - srcMin;
quotient = numerator / denominator;
- if (2 * (numerator % denominator) >= denominator) {
+ if (2 * (numerator % denominator) >= denominator)
quotient++;
- }
*dstVal = quotient + dstMin;
}
}
-/////////////////////////////////////////////////////////////////////////////////////////
int medusa_set_brightness(struct cx25821_dev *dev, int brightness, int decoder)
{
int ret_val = 0;
return ret_val;
}
-/////////////////////////////////////////////////////////////////////////////////////////
int medusa_set_contrast(struct cx25821_dev *dev, int contrast, int decoder)
{
int ret_val = 0;
return ret_val;
}
-/////////////////////////////////////////////////////////////////////////////////////////
int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder)
{
int ret_val = 0;
return ret_val;
}
-/////////////////////////////////////////////////////////////////////////////////////////
int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder)
{
int ret_val = 0;
return ret_val;
}
-/////////////////////////////////////////////////////////////////////////////////////////
-// Program the display sequence and monitor output.
-//
+/* Program the display sequence and monitor output. */
+
int medusa_video_init(struct cx25821_dev *dev)
{
u32 value = 0, tmp = 0;
_num_decoders = dev->_max_num_decoders;
- // disable Auto source selection on all video decoders
+ /* disable Auto source selection on all video decoders */
value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
value &= 0xFFFFF0FF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
mutex_unlock(&dev->lock);
return -EINVAL;
}
- // Turn off Master source switch enable
+ /* Turn off Master source switch enable */
value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
value &= 0xFFFFFFDF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
mutex_unlock(&dev->lock);
- for (i = 0; i < _num_decoders; i++) {
+ for (i = 0; i < _num_decoders; i++)
medusa_set_decoderduration(dev, i, _display_field_cnt[i]);
- }
mutex_lock(&dev->lock);
- // Select monitor as DENC A input, power up the DAC
+ /* Select monitor as DENC A input, power up the DAC */
value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_AB_CTRL, &tmp);
value &= 0xFF70FF70;
- value |= 0x00090008; // set en_active
+ value |= 0x00090008; /* set en_active */
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value);
if (ret_val < 0) {
mutex_unlock(&dev->lock);
return -EINVAL;
}
- // enable input is VIP/656
+ /* enable input is VIP/656 */
value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp);
- value |= 0x00040100; // enable VIP
+ value |= 0x00040100; /* enable VIP */
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value);
if (ret_val < 0) {
mutex_unlock(&dev->lock);
return -EINVAL;
}
- // select AFE clock to output mode
+ /* select AFE clock to output mode */
value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp);
value &= 0x83FFFFFF;
ret_val =
mutex_unlock(&dev->lock);
return -EINVAL;
}
- // Turn on all of the data out and control output pins.
+ /* Turn on all of the data out and control output pins. */
value = cx25821_i2c_read(&dev->i2c_bus[0], PIN_OE_CTRL, &tmp);
value &= 0xFEF0FE00;
if (_num_decoders == MAX_DECODERS) {
- // Note: The octal board does not support control pins(bit16-19).
- // These bits are ignored in the octal board.
- value |= 0x010001F8; // disable VDEC A-C port, default to Mobilygen Interface
+ /*
+ * Note: The octal board does not support control pins(bit16-19)
+ * These bits are ignored in the octal board.
+ *
+ * disable VDEC A-C port, default to Mobilygen Interface
+ */
+ value |= 0x010001F8;
} else {
- value |= 0x010F0108; // disable VDEC A-C port, default to Mobilygen Interface
+ /* disable VDEC A-C port, default to Mobilygen Interface */
+ value |= 0x010F0108;
}
value |= 7;
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