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Commit 03b52c36 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (8378): cx18: move cx18_av_vbi_setup to av-core.c and rename to cx18_av_std_setup



Same issue as for cx25840: this function sets up the standard timings
and has nothing to do with VBI setup.

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent ca130eef
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+142 −1
Original line number Diff line number Diff line
@@ -166,6 +166,147 @@ static void cx18_av_initialize(struct cx18 *cx)

/* ----------------------------------------------------------------------- */

void cx18_av_std_setup(struct cx18 *cx)
{
	struct cx18_av_state *state = &cx->av_state;
	v4l2_std_id std = state->std;
	int hblank, hactive, burst, vblank, vactive, sc;
	int vblank656, src_decimation;
	int luma_lpf, uv_lpf, comb;
	u32 pll_int, pll_frac, pll_post;

	/* datasheet startup, step 8d */
	if (std & ~V4L2_STD_NTSC)
		cx18_av_write(cx, 0x49f, 0x11);
	else
		cx18_av_write(cx, 0x49f, 0x14);

	if (std & V4L2_STD_625_50) {
		hblank = 132;
		hactive = 720;
		burst = 93;
		vblank = 36;
		vactive = 580;
		vblank656 = 40;
		src_decimation = 0x21f;

		luma_lpf = 2;
		if (std & V4L2_STD_PAL) {
			uv_lpf = 1;
			comb = 0x20;
			sc = 688739;
		} else if (std == V4L2_STD_PAL_Nc) {
			uv_lpf = 1;
			comb = 0x20;
			sc = 556453;
		} else { /* SECAM */
			uv_lpf = 0;
			comb = 0;
			sc = 672351;
		}
	} else {
		hactive = 720;
		hblank = 122;
		vactive = 487;
		luma_lpf = 1;
		uv_lpf = 1;
		vblank = 26;
		vblank656 = 26;

		src_decimation = 0x21f;
		if (std == V4L2_STD_PAL_60) {
			burst = 0x5b;
			luma_lpf = 2;
			comb = 0x20;
			sc = 688739;
		} else if (std == V4L2_STD_PAL_M) {
			burst = 0x61;
			comb = 0x20;
			sc = 555452;
		} else {
			burst = 0x5b;
			comb = 0x66;
			sc = 556063;
		}
	}

	/* DEBUG: Displays configured PLL frequency */
	pll_int = cx18_av_read(cx, 0x108);
	pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff;
	pll_post = cx18_av_read(cx, 0x109);
	CX18_DEBUG_INFO("PLL regs = int: %u, frac: %u, post: %u\n",
			pll_int, pll_frac, pll_post);

	if (pll_post) {
		int fin, fsc;
		int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac);

		pll >>= 25;
		pll /= pll_post;
		CX18_DEBUG_INFO("PLL = %d.%06d MHz\n",
					pll / 1000000, pll % 1000000);
		CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n",
					pll / 8000000, (pll / 8) % 1000000);

		fin = ((u64)src_decimation * pll) >> 12;
		CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n",
					fin / 1000000, fin % 1000000);

		fsc = (((u64)sc) * pll) >> 24L;
		CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n",
					fsc / 1000000, fsc % 1000000);

		CX18_DEBUG_INFO("hblank %i, hactive %i, "
			"vblank %i , vactive %i, vblank656 %i, src_dec %i,"
			"burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x,"
			" sc 0x%06x\n",
			hblank, hactive, vblank, vactive, vblank656,
			src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
	}

	/* Sets horizontal blanking delay and active lines */
	cx18_av_write(cx, 0x470, hblank);
	cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) |
						(hactive << 4)));
	cx18_av_write(cx, 0x472, hactive >> 4);

	/* Sets burst gate delay */
	cx18_av_write(cx, 0x473, burst);

	/* Sets vertical blanking delay and active duration */
	cx18_av_write(cx, 0x474, vblank);
	cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) |
						(vactive << 4)));
	cx18_av_write(cx, 0x476, vactive >> 4);
	cx18_av_write(cx, 0x477, vblank656);

	/* Sets src decimation rate */
	cx18_av_write(cx, 0x478, 0xff & src_decimation);
	cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8));

	/* Sets Luma and UV Low pass filters */
	cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));

	/* Enables comb filters */
	cx18_av_write(cx, 0x47b, comb);

	/* Sets SC Step*/
	cx18_av_write(cx, 0x47c, sc);
	cx18_av_write(cx, 0x47d, 0xff & sc >> 8);
	cx18_av_write(cx, 0x47e, 0xff & sc >> 16);

	/* Sets VBI parameters */
	if (std & V4L2_STD_625_50) {
		cx18_av_write(cx, 0x47f, 0x01);
		state->vbi_line_offset = 5;
	} else {
		cx18_av_write(cx, 0x47f, 0x00);
		state->vbi_line_offset = 8;
	}
}

/* ----------------------------------------------------------------------- */

static void input_change(struct cx18 *cx)
{
	struct cx18_av_state *state = &cx->av_state;
@@ -323,7 +464,7 @@ static int set_v4lstd(struct cx18 *cx)
	}
	cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
	cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
	cx18_av_vbi_setup(cx);
	cx18_av_std_setup(cx);
	input_change(cx);
	return 0;
}
+1 −1
Original line number Diff line number Diff line
@@ -306,6 +306,7 @@ u32 cx18_av_read4(struct cx18 *cx, u16 addr);
int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value);
int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value);
int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg);
void cx18_av_std_setup(struct cx18 *cx);

/* ----------------------------------------------------------------------- */
/* cx18_av-firmware.c                                                      */
@@ -318,7 +319,6 @@ void cx18_av_audio_set_path(struct cx18 *cx);

/* ----------------------------------------------------------------------- */
/* cx18_av-vbi.c                                                           */
void cx18_av_vbi_setup(struct cx18 *cx);
int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg);

#endif
+4 −143
Original line number Diff line number Diff line
@@ -83,145 +83,6 @@ static int decode_vps(u8 *dst, u8 *p)
	return err & 0xf0;
}

void cx18_av_vbi_setup(struct cx18 *cx)
{
	struct cx18_av_state *state = &cx->av_state;
	v4l2_std_id std = state->std;
	int hblank, hactive, burst, vblank, vactive, sc;
	int vblank656, src_decimation;
	int luma_lpf, uv_lpf, comb;
	u32 pll_int, pll_frac, pll_post;

	/* datasheet startup, step 8d */
	if (std & ~V4L2_STD_NTSC)
		cx18_av_write(cx, 0x49f, 0x11);
	else
		cx18_av_write(cx, 0x49f, 0x14);

	if (std & V4L2_STD_625_50) {
		hblank = 0x084;
		hactive = 0x2d0;
		burst = 0x5d;
		vblank = 0x024;
		vactive = 0x244;
		vblank656 = 0x28;
		src_decimation = 0x21f;

		luma_lpf = 2;
		if (std & V4L2_STD_PAL) {
			uv_lpf = 1;
			comb = 0x20;
			sc = 0x0a8263;
		} else if (std == V4L2_STD_PAL_Nc) {
			uv_lpf = 1;
			comb = 0x20;
			sc = 0x087da5;
		} else { /* SECAM */
			uv_lpf = 0;
			comb = 0;
			sc = 0x0a425f;
		}
	} else {
		hactive = 720;
		hblank = 122;
		vactive = 487;
		luma_lpf = 1;
		uv_lpf = 1;
		vblank = 26;
		vblank656 = 26;

		src_decimation = 0x21f;
		if (std == V4L2_STD_PAL_60) {
			burst = 0x5b;
			luma_lpf = 2;
			comb = 0x20;
			sc = 0x0a8263;
		} else if (std == V4L2_STD_PAL_M) {
			burst = 0x61;
			comb = 0x20;
			sc = 555452;
		} else {
			burst = 0x5b;
			comb = 0x66;
			sc = 556063;
		}
	}

	/* DEBUG: Displays configured PLL frequency */
	pll_int = cx18_av_read(cx, 0x108);
	pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff;
	pll_post = cx18_av_read(cx, 0x109);
	CX18_DEBUG_INFO("PLL regs = int: %u, frac: %u, post: %u\n",
			pll_int, pll_frac, pll_post);

	if (pll_post) {
		int fin, fsc;
		int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac);

		pll >>= 25;
		pll /= pll_post;
		CX18_DEBUG_INFO("PLL = %d.%06d MHz\n",
					pll / 1000000, pll % 1000000);
		CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n",
					pll / 8000000, (pll / 8) % 1000000);

		fin = ((u64)src_decimation * pll) >> 12;
		CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n",
					fin / 1000000, fin % 1000000);

		fsc = (((u64)sc) * pll) >> 24L;
		CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n",
					fsc / 1000000, fsc % 1000000);

		CX18_DEBUG_INFO("hblank %i, hactive %i, "
			"vblank %i , vactive %i, vblank656 %i, src_dec %i,"
			"burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x,"
			" sc 0x%06x\n",
			hblank, hactive, vblank, vactive, vblank656,
			src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
	}

	/* Sets horizontal blanking delay and active lines */
	cx18_av_write(cx, 0x470, hblank);
	cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) |
						(hactive << 4)));
	cx18_av_write(cx, 0x472, hactive >> 4);

	/* Sets burst gate delay */
	cx18_av_write(cx, 0x473, burst);

	/* Sets vertical blanking delay and active duration */
	cx18_av_write(cx, 0x474, vblank);
	cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) |
						(vactive << 4)));
	cx18_av_write(cx, 0x476, vactive >> 4);
	cx18_av_write(cx, 0x477, vblank656);

	/* Sets src decimation rate */
	cx18_av_write(cx, 0x478, 0xff & src_decimation);
	cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8));

	/* Sets Luma and UV Low pass filters */
	cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));

	/* Enables comb filters */
	cx18_av_write(cx, 0x47b, comb);

	/* Sets SC Step*/
	cx18_av_write(cx, 0x47c, sc);
	cx18_av_write(cx, 0x47d, 0xff & sc >> 8);
	cx18_av_write(cx, 0x47e, 0xff & sc >> 16);

	/* Sets VBI parameters */
	if (std & V4L2_STD_625_50) {
		cx18_av_write(cx, 0x47f, 0x01);
		state->vbi_line_offset = 5;
	} else {
		cx18_av_write(cx, 0x47f, 0x00);
		state->vbi_line_offset = 8;
	}
}

int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg)
{
	struct cx18_av_state *state = &cx->av_state;
@@ -287,8 +148,8 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg)
			/* raw VBI */
			memset(svbi, 0, sizeof(*svbi));

			/* Setup VBI */
			cx18_av_vbi_setup(cx);
			/* Setup standard */
			cx18_av_std_setup(cx);

			/* VBI Offset */
			cx18_av_write(cx, 0x47f, vbi_offset);
@@ -299,8 +160,8 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg)
		for (x = 0; x <= 23; x++)
			lcr[x] = 0x00;

		/* Setup VBI */
		cx18_av_vbi_setup(cx);
		/* Setup standard */
		cx18_av_std_setup(cx);

		/* Sliced VBI */
		cx18_av_write(cx, 0x404, 0x32);	/* Ancillary data */