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linux_dsm_epyc7002/drivers/gpu/drm/i2c/ch7006_mode.c
Ville Syrjälä 0425662fdf drm: Nuke mode->vrefresh 
Get rid of mode->vrefresh and just calculate it on demand. Saves
a bit of space and avoids the cached value getting out of sync
with reality.

Mostly done with cocci, with the following manual fixups:
- Remove the now empty loop in drm_helper_probe_single_connector_modes()
- Fix __MODE() macro in ch7006_mode.c
- Fix DRM_MODE_ARG() macro in drm_modes.h
- Remove leftover comment from samsung_s6d16d0_mode
- Drop the TODO

@@
@@
struct drm_display_mode {
	...
-	int vrefresh;
	...
};

@@
identifier N;
expression E;
@@
struct drm_display_mode N = {
-	.vrefresh = E
};

@@
identifier N;
expression E;
@@
struct drm_display_mode N[...] = {
...,
{
-	.vrefresh = E
}
,...
};

@@
expression E;
@@
{
	DRM_MODE(...),
-	.vrefresh = E,
}

@@
identifier M, R;
@@
int drm_mode_vrefresh(const struct drm_display_mode *M)
{
  ...
- if (M->vrefresh > 0)
- 	R = M->vrefresh;
- else
  if (...) {
  ...
  }
  ...
}

@@
struct drm_display_mode *p;
expression E;
@@
(
- p->vrefresh = E;
|
- p->vrefresh
+ drm_mode_vrefresh(p)
)

@@
struct drm_display_mode s;
expression E;
@@
(
- s.vrefresh = E;
|
- s.vrefresh
+ drm_mode_vrefresh(&s)
)

@@
expression E;
@@
- drm_mode_vrefresh(E) ? drm_mode_vrefresh(E) : drm_mode_vrefresh(E)
+ drm_mode_vrefresh(E)

@find_substruct@
identifier X;
identifier S;
@@
struct X {
...
	struct drm_display_mode S;
...
};

@@
identifier find_substruct.S;
expression E;
identifier I;
@@
{
.S = {
-	.vrefresh = E
}
}

@@
identifier find_substruct.S;
identifier find_substruct.X;
expression E;
identifier I;
@@
struct X I[...] = {
...,
.S = {
-	.vrefresh = E
}
,...
};

v2: Drop TODO
v3: Rebase
v4: Rebase

Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: CK Hu <ck.hu@mediatek.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jerry Han <hanxu5@huaqin.corp-partner.google.com>
Cc: Icenowy Zheng <icenowy@aosc.io>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Stefan Mavrodiev <stefan@olimex.com>
Cc: Robert Chiras <robert.chiras@nxp.com>
Cc: "Guido Günther" <agx@sigxcpu.org>
Cc: Purism Kernel Team <kernel@puri.sm>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: linux-amlogic@lists.infradead.org
Cc: nouveau@lists.freedesktop.org
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428171940.19552-4-ville.syrjala@linux.intel.com
2020-05-27 14:31:42 +03:00

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/*
* Copyright (C) 2009 Francisco Jerez.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "ch7006_priv.h"
const char * const ch7006_tv_norm_names[] = {
[TV_NORM_PAL] = "PAL",
[TV_NORM_PAL_M] = "PAL-M",
[TV_NORM_PAL_N] = "PAL-N",
[TV_NORM_PAL_NC] = "PAL-Nc",
[TV_NORM_PAL_60] = "PAL-60",
[TV_NORM_NTSC_M] = "NTSC-M",
[TV_NORM_NTSC_J] = "NTSC-J",
};
#define NTSC_LIKE_TIMINGS .vrefresh = 60 * fixed1/1.001, \
.vdisplay = 480, \
.vtotal = 525, \
.hvirtual = 660
#define PAL_LIKE_TIMINGS .vrefresh = 50 * fixed1, \
.vdisplay = 576, \
.vtotal = 625, \
.hvirtual = 810
const struct ch7006_tv_norm_info ch7006_tv_norms[] = {
[TV_NORM_NTSC_M] = {
NTSC_LIKE_TIMINGS,
.black_level = 0.339 * fixed1,
.subc_freq = 3579545 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, NTSC),
.voffset = 0,
},
[TV_NORM_NTSC_J] = {
NTSC_LIKE_TIMINGS,
.black_level = 0.286 * fixed1,
.subc_freq = 3579545 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, NTSC_J),
.voffset = 0,
},
[TV_NORM_PAL] = {
PAL_LIKE_TIMINGS,
.black_level = 0.3 * fixed1,
.subc_freq = 4433618.75 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL),
.voffset = 0,
},
[TV_NORM_PAL_M] = {
NTSC_LIKE_TIMINGS,
.black_level = 0.339 * fixed1,
.subc_freq = 3575611.433 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL_M),
.voffset = 16,
},
/* The following modes seem to work right but they're
* undocumented */
[TV_NORM_PAL_N] = {
PAL_LIKE_TIMINGS,
.black_level = 0.339 * fixed1,
.subc_freq = 4433618.75 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL),
.voffset = 0,
},
[TV_NORM_PAL_NC] = {
PAL_LIKE_TIMINGS,
.black_level = 0.3 * fixed1,
.subc_freq = 3582056.25 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL),
.voffset = 0,
},
[TV_NORM_PAL_60] = {
NTSC_LIKE_TIMINGS,
.black_level = 0.3 * fixed1,
.subc_freq = 4433618.75 * fixed1,
.dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL_M),
.voffset = 16,
},
};
#define __MODE(f, hd, vd, ht, vt, hsynp, vsynp, \
subc, scale, scale_mask, norm_mask, e_hd, e_vd) { \
.mode = { \
.name = #hd "x" #vd, \
.status = 0, \
.type = DRM_MODE_TYPE_DRIVER, \
.clock = f, \
.hdisplay = hd, \
.hsync_start = e_hd + 16, \
.hsync_end = e_hd + 80, \
.htotal = ht, \
.hskew = 0, \
.vdisplay = vd, \
.vsync_start = vd + 10, \
.vsync_end = vd + 26, \
.vtotal = vt, \
.vscan = 0, \
.flags = DRM_MODE_FLAG_##hsynp##HSYNC | \
DRM_MODE_FLAG_##vsynp##VSYNC, \
}, \
.enc_hdisp = e_hd, \
.enc_vdisp = e_vd, \
.subc_coeff = subc * fixed1, \
.dispmode = bitfs(CH7006_DISPMODE_SCALING_RATIO, scale) | \
bitfs(CH7006_DISPMODE_INPUT_RES, e_hd##x##e_vd), \
.valid_scales = scale_mask, \
.valid_norms = norm_mask \
}
#define MODE(f, hd, vd, ht, vt, hsynp, vsynp, \
subc, scale, scale_mask, norm_mask) \
__MODE(f, hd, vd, ht, vt, hsynp, vsynp, subc, scale, \
scale_mask, norm_mask, hd, vd)
#define NTSC_LIKE (1 << TV_NORM_NTSC_M | 1 << TV_NORM_NTSC_J | \
1 << TV_NORM_PAL_M | 1 << TV_NORM_PAL_60)
#define PAL_LIKE (1 << TV_NORM_PAL | 1 << TV_NORM_PAL_N | 1 << TV_NORM_PAL_NC)
const struct ch7006_mode ch7006_modes[] = {
MODE(21000, 512, 384, 840, 500, N, N, 181.797557582, 5_4, 0x6, PAL_LIKE),
MODE(26250, 512, 384, 840, 625, N, N, 145.438046066, 1_1, 0x1, PAL_LIKE),
MODE(20140, 512, 384, 800, 420, N, N, 213.257083791, 5_4, 0x4, NTSC_LIKE),
MODE(24671, 512, 384, 784, 525, N, N, 174.0874153, 1_1, 0x3, NTSC_LIKE),
MODE(28125, 720, 400, 1125, 500, N, N, 135.742176298, 5_4, 0x6, PAL_LIKE),
MODE(34875, 720, 400, 1116, 625, N, N, 109.469496898, 1_1, 0x1, PAL_LIKE),
MODE(23790, 720, 400, 945, 420, N, N, 160.475642016, 5_4, 0x4, NTSC_LIKE),
MODE(29455, 720, 400, 936, 525, N, N, 129.614941843, 1_1, 0x3, NTSC_LIKE),
MODE(25000, 640, 400, 1000, 500, N, N, 152.709948279, 5_4, 0x6, PAL_LIKE),
MODE(31500, 640, 400, 1008, 625, N, N, 121.198371646, 1_1, 0x1, PAL_LIKE),
MODE(21147, 640, 400, 840, 420, N, N, 180.535097338, 5_4, 0x4, NTSC_LIKE),
MODE(26434, 640, 400, 840, 525, N, N, 144.42807787, 1_1, 0x2, NTSC_LIKE),
MODE(30210, 640, 400, 840, 600, N, N, 126.374568276, 7_8, 0x1, NTSC_LIKE),
MODE(21000, 640, 480, 840, 500, N, N, 181.797557582, 5_4, 0x4, PAL_LIKE),
MODE(26250, 640, 480, 840, 625, N, N, 145.438046066, 1_1, 0x2, PAL_LIKE),
MODE(31500, 640, 480, 840, 750, N, N, 121.198371646, 5_6, 0x1, PAL_LIKE),
MODE(24671, 640, 480, 784, 525, N, N, 174.0874153, 1_1, 0x4, NTSC_LIKE),
MODE(28196, 640, 480, 784, 600, N, N, 152.326488422, 7_8, 0x2, NTSC_LIKE),
MODE(30210, 640, 480, 800, 630, N, N, 142.171389101, 5_6, 0x1, NTSC_LIKE),
__MODE(29500, 720, 576, 944, 625, P, P, 145.592111636, 1_1, 0x7, PAL_LIKE, 800, 600),
MODE(36000, 800, 600, 960, 750, P, P, 119.304647022, 5_6, 0x6, PAL_LIKE),
MODE(39000, 800, 600, 936, 836, P, P, 110.127366499, 3_4, 0x1, PAL_LIKE),
MODE(39273, 800, 600, 1040, 630, P, P, 145.816809399, 5_6, 0x4, NTSC_LIKE),
MODE(43636, 800, 600, 1040, 700, P, P, 131.235128487, 3_4, 0x2, NTSC_LIKE),
MODE(47832, 800, 600, 1064, 750, P, P, 119.723275165, 7_10, 0x1, NTSC_LIKE),
{}
};
const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
const struct drm_display_mode *drm_mode)
{
struct ch7006_priv *priv = to_ch7006_priv(encoder);
const struct ch7006_mode *mode;
for (mode = ch7006_modes; mode->mode.clock; mode++) {
if (~mode->valid_norms & 1<<priv->norm)
continue;
if (mode->mode.hdisplay != drm_mode->hdisplay ||
mode->mode.vdisplay != drm_mode->vdisplay ||
mode->mode.vtotal != drm_mode->vtotal ||
mode->mode.htotal != drm_mode->htotal ||
mode->mode.clock != drm_mode->clock)
continue;
return mode;
}
return NULL;
}
/* Some common HW state calculation code */
void ch7006_setup_levels(struct drm_encoder *encoder)
{
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
uint8_t *regs = priv->state.regs;
const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
int gain;
int black_level;
/* Set DAC_GAIN if the voltage drop between white and black is
* high enough. */
if (norm->black_level < 339*fixed1/1000) {
gain = 76;
regs[CH7006_INPUT_FORMAT] |= CH7006_INPUT_FORMAT_DAC_GAIN;
} else {
gain = 71;
regs[CH7006_INPUT_FORMAT] &= ~CH7006_INPUT_FORMAT_DAC_GAIN;
}
black_level = round_fixed(norm->black_level*26625)/gain;
/* Correct it with the specified brightness. */
black_level = interpolate(90, black_level, 208, priv->brightness);
regs[CH7006_BLACK_LEVEL] = bitf(CH7006_BLACK_LEVEL_0, black_level);
ch7006_dbg(client, "black level: %d\n", black_level);
}
void ch7006_setup_subcarrier(struct drm_encoder *encoder)
{
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
struct ch7006_state *state = &priv->state;
const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
const struct ch7006_mode *mode = priv->mode;
uint32_t subc_inc;
subc_inc = round_fixed((mode->subc_coeff >> 8)
* (norm->subc_freq >> 24));
setbitf(state, CH7006_SUBC_INC0, 28, subc_inc);
setbitf(state, CH7006_SUBC_INC1, 24, subc_inc);
setbitf(state, CH7006_SUBC_INC2, 20, subc_inc);
setbitf(state, CH7006_SUBC_INC3, 16, subc_inc);
setbitf(state, CH7006_SUBC_INC4, 12, subc_inc);
setbitf(state, CH7006_SUBC_INC5, 8, subc_inc);
setbitf(state, CH7006_SUBC_INC6, 4, subc_inc);
setbitf(state, CH7006_SUBC_INC7, 0, subc_inc);
ch7006_dbg(client, "subcarrier inc: %u\n", subc_inc);
}
void ch7006_setup_pll(struct drm_encoder *encoder)
{
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
uint8_t *regs = priv->state.regs;
const struct ch7006_mode *mode = priv->mode;
int n, best_n = 0;
int m, best_m = 0;
int freq, best_freq = 0;
for (n = 0; n < CH7006_MAXN; n++) {
for (m = 0; m < CH7006_MAXM; m++) {
freq = CH7006_FREQ0*(n+2)/(m+2);
if (abs(freq - mode->mode.clock) <
abs(best_freq - mode->mode.clock)) {
best_freq = freq;
best_n = n;
best_m = m;
}
}
}
regs[CH7006_PLLOV] = bitf(CH7006_PLLOV_N_8, best_n) |
bitf(CH7006_PLLOV_M_8, best_m);
regs[CH7006_PLLM] = bitf(CH7006_PLLM_0, best_m);
regs[CH7006_PLLN] = bitf(CH7006_PLLN_0, best_n);
if (best_n < 108)
regs[CH7006_PLL_CONTROL] |= CH7006_PLL_CONTROL_CAPACITOR;
else
regs[CH7006_PLL_CONTROL] &= ~CH7006_PLL_CONTROL_CAPACITOR;
ch7006_dbg(client, "n=%d m=%d f=%d c=%d\n",
best_n, best_m, best_freq, best_n < 108);
}
void ch7006_setup_power_state(struct drm_encoder *encoder)
{
struct ch7006_priv *priv = to_ch7006_priv(encoder);
uint8_t *power = &priv->state.regs[CH7006_POWER];
int subconnector;
subconnector = priv->select_subconnector ? priv->select_subconnector :
priv->subconnector;
*power = CH7006_POWER_RESET;
if (priv->last_dpms == DRM_MODE_DPMS_ON) {
switch (subconnector) {
case DRM_MODE_SUBCONNECTOR_SVIDEO:
*power |= bitfs(CH7006_POWER_LEVEL, CVBS_OFF);
break;
case DRM_MODE_SUBCONNECTOR_Composite:
*power |= bitfs(CH7006_POWER_LEVEL, SVIDEO_OFF);
break;
case DRM_MODE_SUBCONNECTOR_SCART:
*power |= bitfs(CH7006_POWER_LEVEL, NORMAL) |
CH7006_POWER_SCART;
break;
}
} else {
if (priv->chip_version >= 0x20)
*power |= bitfs(CH7006_POWER_LEVEL, FULL_POWER_OFF);
else
*power |= bitfs(CH7006_POWER_LEVEL, POWER_OFF);
}
}
void ch7006_setup_properties(struct drm_encoder *encoder)
{
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
struct ch7006_state *state = &priv->state;
const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
const struct ch7006_mode *ch_mode = priv->mode;
const struct drm_display_mode *mode = &ch_mode->mode;
uint8_t *regs = state->regs;
int flicker, contrast, hpos, vpos;
uint64_t scale, aspect;
flicker = interpolate(0, 2, 3, priv->flicker);
regs[CH7006_FFILTER] = bitf(CH7006_FFILTER_TEXT, flicker) |
bitf(CH7006_FFILTER_LUMA, flicker) |
bitf(CH7006_FFILTER_CHROMA, 1);
contrast = interpolate(0, 5, 7, priv->contrast);
regs[CH7006_CONTRAST] = bitf(CH7006_CONTRAST_0, contrast);
scale = norm->vtotal*fixed1;
do_div(scale, mode->vtotal);
aspect = ch_mode->enc_hdisp*fixed1;
do_div(aspect, ch_mode->enc_vdisp);
hpos = round_fixed((norm->hvirtual * aspect - mode->hdisplay * scale)
* priv->hmargin * mode->vtotal) / norm->vtotal / 100 / 4;
setbitf(state, CH7006_POV, HPOS_8, hpos);
setbitf(state, CH7006_HPOS, 0, hpos);
vpos = max(0, norm->vdisplay - round_fixed(mode->vdisplay*scale)
+ norm->voffset) * priv->vmargin / 100 / 2;
setbitf(state, CH7006_POV, VPOS_8, vpos);
setbitf(state, CH7006_VPOS, 0, vpos);
ch7006_dbg(client, "hpos: %d, vpos: %d\n", hpos, vpos);
}
/* HW access functions */
void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val)
{
uint8_t buf[] = {addr, val};
int ret;
ret = i2c_master_send(client, buf, ARRAY_SIZE(buf));
if (ret < 0)
ch7006_err(client, "Error %d writing to subaddress 0x%x\n",
ret, addr);
}
uint8_t ch7006_read(struct i2c_client *client, uint8_t addr)
{
uint8_t val;
int ret;
ret = i2c_master_send(client, &addr, sizeof(addr));
if (ret < 0)
goto fail;
ret = i2c_master_recv(client, &val, sizeof(val));
if (ret < 0)
goto fail;
return val;
fail:
ch7006_err(client, "Error %d reading from subaddress 0x%x\n",
ret, addr);
return 0;
}
void ch7006_state_load(struct i2c_client *client,
struct ch7006_state *state)
{
ch7006_load_reg(client, state, CH7006_POWER);
ch7006_load_reg(client, state, CH7006_DISPMODE);
ch7006_load_reg(client, state, CH7006_FFILTER);
ch7006_load_reg(client, state, CH7006_BWIDTH);
ch7006_load_reg(client, state, CH7006_INPUT_FORMAT);
ch7006_load_reg(client, state, CH7006_CLKMODE);
ch7006_load_reg(client, state, CH7006_START_ACTIVE);
ch7006_load_reg(client, state, CH7006_POV);
ch7006_load_reg(client, state, CH7006_BLACK_LEVEL);
ch7006_load_reg(client, state, CH7006_HPOS);
ch7006_load_reg(client, state, CH7006_VPOS);
ch7006_load_reg(client, state, CH7006_INPUT_SYNC);
ch7006_load_reg(client, state, CH7006_DETECT);
ch7006_load_reg(client, state, CH7006_CONTRAST);
ch7006_load_reg(client, state, CH7006_PLLOV);
ch7006_load_reg(client, state, CH7006_PLLM);
ch7006_load_reg(client, state, CH7006_PLLN);
ch7006_load_reg(client, state, CH7006_BCLKOUT);
ch7006_load_reg(client, state, CH7006_SUBC_INC0);
ch7006_load_reg(client, state, CH7006_SUBC_INC1);
ch7006_load_reg(client, state, CH7006_SUBC_INC2);
ch7006_load_reg(client, state, CH7006_SUBC_INC3);
ch7006_load_reg(client, state, CH7006_SUBC_INC4);
ch7006_load_reg(client, state, CH7006_SUBC_INC5);
ch7006_load_reg(client, state, CH7006_SUBC_INC6);
ch7006_load_reg(client, state, CH7006_SUBC_INC7);
ch7006_load_reg(client, state, CH7006_PLL_CONTROL);
ch7006_load_reg(client, state, CH7006_CALC_SUBC_INC0);
}
void ch7006_state_save(struct i2c_client *client,
struct ch7006_state *state)
{
ch7006_save_reg(client, state, CH7006_POWER);
ch7006_save_reg(client, state, CH7006_DISPMODE);
ch7006_save_reg(client, state, CH7006_FFILTER);
ch7006_save_reg(client, state, CH7006_BWIDTH);
ch7006_save_reg(client, state, CH7006_INPUT_FORMAT);
ch7006_save_reg(client, state, CH7006_CLKMODE);
ch7006_save_reg(client, state, CH7006_START_ACTIVE);
ch7006_save_reg(client, state, CH7006_POV);
ch7006_save_reg(client, state, CH7006_BLACK_LEVEL);
ch7006_save_reg(client, state, CH7006_HPOS);
ch7006_save_reg(client, state, CH7006_VPOS);
ch7006_save_reg(client, state, CH7006_INPUT_SYNC);
ch7006_save_reg(client, state, CH7006_DETECT);
ch7006_save_reg(client, state, CH7006_CONTRAST);
ch7006_save_reg(client, state, CH7006_PLLOV);
ch7006_save_reg(client, state, CH7006_PLLM);
ch7006_save_reg(client, state, CH7006_PLLN);
ch7006_save_reg(client, state, CH7006_BCLKOUT);
ch7006_save_reg(client, state, CH7006_SUBC_INC0);
ch7006_save_reg(client, state, CH7006_SUBC_INC1);
ch7006_save_reg(client, state, CH7006_SUBC_INC2);
ch7006_save_reg(client, state, CH7006_SUBC_INC3);
ch7006_save_reg(client, state, CH7006_SUBC_INC4);
ch7006_save_reg(client, state, CH7006_SUBC_INC5);
ch7006_save_reg(client, state, CH7006_SUBC_INC6);
ch7006_save_reg(client, state, CH7006_SUBC_INC7);
ch7006_save_reg(client, state, CH7006_PLL_CONTROL);
ch7006_save_reg(client, state, CH7006_CALC_SUBC_INC0);
state->regs[CH7006_FFILTER] = (state->regs[CH7006_FFILTER] & 0xf0) |
(state->regs[CH7006_FFILTER] & 0x0c) >> 2 |
(state->regs[CH7006_FFILTER] & 0x03) << 2;
}
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