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Commit cb5aa1c6 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (8376): cx25840: move cx25840_vbi_setup to core.c and rename to cx25840_std_setup



cx25840_vbi_setup has nothing to do with setting up VBI, but everything
with setting up the standard. Move to cx25840-core.c and rename.

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 5de39b2b
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+150 −3
Original line number Diff line number Diff line
@@ -237,7 +237,7 @@ static void cx25840_initialize(struct i2c_client *client)
	cx25840_write(client, 0x8d3, 0x1f);
	cx25840_write(client, 0x8e3, 0x03);

	cx25840_vbi_setup(client);
	cx25840_std_setup(client);

	/* trial and error says these are needed to get audio */
	cx25840_write(client, 0x914, 0xa0);
@@ -337,7 +337,7 @@ static void cx23885_initialize(struct i2c_client *client)
	finish_wait(&state->fw_wait, &wait);
	destroy_workqueue(q);

	cx25840_vbi_setup(client);
	cx25840_std_setup(client);

	/* (re)set input */
	set_input(client, state->vid_input, state->aud_input);
@@ -348,6 +348,153 @@ static void cx23885_initialize(struct i2c_client *client)

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

void cx25840_std_setup(struct i2c_client *client)
{
	struct cx25840_state *state = i2c_get_clientdata(client);
	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)
		cx25840_write(client, 0x49f, 0x11);
	else
		cx25840_write(client, 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_SECAM) {
			uv_lpf = 0;
			comb = 0;
			sc = 0x0a425f;
		} else if (std == V4L2_STD_PAL_Nc) {
			uv_lpf = 1;
			comb = 0x20;
			sc = 556453;
		} else {
			uv_lpf = 1;
			comb = 0x20;
			sc = 688739;
		}
	} else {
		hactive = 720;
		hblank = 122;
		vactive = 487;
		luma_lpf = 1;
		uv_lpf = 1;

		src_decimation = 0x21f;
		if (std == V4L2_STD_PAL_60) {
			vblank = 26;
			vblank656 = 26;
			burst = 0x5b;
			luma_lpf = 2;
			comb = 0x20;
			sc = 688739;
		} else if (std == V4L2_STD_PAL_M) {
			vblank = 20;
			vblank656 = 24;
			burst = 0x61;
			comb = 0x20;
			sc = 555452;
		} else {
			vblank = 26;
			vblank656 = 26;
			burst = 0x5b;
			comb = 0x66;
			sc = 556063;
		}
	}

	/* DEBUG: Displays configured PLL frequency */
	pll_int = cx25840_read(client, 0x108);
	pll_frac = cx25840_read4(client, 0x10c) & 0x1ffffff;
	pll_post = cx25840_read(client, 0x109);
	v4l_dbg(1, cx25840_debug, client,
				"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) << 25L) + pll_frac)) >> 25L;

		pll /= pll_post;
		v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n",
				pll / 1000000, pll % 1000000);
		v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n",
				pll / 8000000, (pll / 8) % 1000000);

		fin = ((u64)src_decimation * pll) >> 12;
		v4l_dbg(1, cx25840_debug, client,
				"ADC Sampling freq = %d.%06d MHz\n",
				fin / 1000000, fin % 1000000);

		fsc = (((u64)sc) * pll) >> 24L;
		v4l_dbg(1, cx25840_debug, client,
				"Chroma sub-carrier freq = %d.%06d MHz\n",
				fsc / 1000000, fsc % 1000000);

		v4l_dbg(1, cx25840_debug, client, "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 */
	cx25840_write(client, 0x470, hblank);
	cx25840_write(client, 0x471,
			0xff & (((hblank >> 8) & 0x3) | (hactive << 4)));
	cx25840_write(client, 0x472, hactive >> 4);

	/* Sets burst gate delay */
	cx25840_write(client, 0x473, burst);

	/* Sets vertical blanking delay and active duration */
	cx25840_write(client, 0x474, vblank);
	cx25840_write(client, 0x475,
			0xff & (((vblank >> 8) & 0x3) | (vactive << 4)));
	cx25840_write(client, 0x476, vactive >> 4);
	cx25840_write(client, 0x477, vblank656);

	/* Sets src decimation rate */
	cx25840_write(client, 0x478, 0xff & src_decimation);
	cx25840_write(client, 0x479, 0xff & (src_decimation >> 8));

	/* Sets Luma and UV Low pass filters */
	cx25840_write(client, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));

	/* Enables comb filters */
	cx25840_write(client, 0x47b, comb);

	/* Sets SC Step*/
	cx25840_write(client, 0x47c, sc);
	cx25840_write(client, 0x47d, 0xff & sc >> 8);
	cx25840_write(client, 0x47e, 0xff & sc >> 16);

	/* Sets VBI parameters */
	if (std & V4L2_STD_625_50) {
		cx25840_write(client, 0x47f, 0x01);
		state->vbi_line_offset = 5;
	} else {
		cx25840_write(client, 0x47f, 0x00);
		state->vbi_line_offset = 8;
	}
}

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

static void input_change(struct i2c_client *client)
{
	struct cx25840_state *state = i2c_get_clientdata(client);
@@ -565,7 +712,7 @@ static int set_v4lstd(struct i2c_client *client)
	}
	cx25840_and_or(client, 0x400, ~0xf, fmt);
	cx25840_and_or(client, 0x403, ~0x3, pal_m);
	cx25840_vbi_setup(client);
	cx25840_std_setup(client);
	if (!state->is_cx25836)
		input_change(client);
	return 0;
+1 −1
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
u8 cx25840_read(struct i2c_client *client, u16 addr);
u32 cx25840_read4(struct i2c_client *client, u16 addr);
int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
void cx25840_std_setup(struct i2c_client *client);

/* ----------------------------------------------------------------------- */
/* cx25850-firmware.c                                                      */
@@ -73,7 +74,6 @@ void cx25840_audio_set_path(struct i2c_client *client);

/* ----------------------------------------------------------------------- */
/* cx25850-vbi.c                                                           */
void cx25840_vbi_setup(struct i2c_client *client);
int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg);

#endif
+4 −148
Original line number Diff line number Diff line
@@ -82,150 +82,6 @@ static int decode_vps(u8 * dst, u8 * p)
	return err & 0xf0;
}

void cx25840_vbi_setup(struct i2c_client *client)
{
	struct cx25840_state *state = i2c_get_clientdata(client);
	v4l2_std_id std = state->std;
	int hblank,hactive,burst,vblank,vactive,sc,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) {
		cx25840_write(client, 0x49f, 0x11);
	} else {
		cx25840_write(client, 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_SECAM) {
			uv_lpf=0;
			comb=0;
			sc=0x0a425f;
		} else if (std == V4L2_STD_PAL_Nc) {
			uv_lpf=1;
			comb=0x20;
			sc=556453;
		} else {
			uv_lpf=1;
			comb=0x20;
			sc=0x0a8263;
		}
	} else {
		hactive=720;
		hblank=122;
		vactive=487;
		luma_lpf=1;
		uv_lpf=1;

		src_decimation=0x21f;
		if (std == V4L2_STD_PAL_60) {
			vblank=26;
			vblank656=26;
			burst=0x5b;
			luma_lpf=2;
			comb=0x20;
			sc=0x0a8263;
		} else if (std == V4L2_STD_PAL_M) {
			vblank=20;
			vblank656=24;
			burst=0x61;
			comb=0x20;

			sc=555452;
		} else {
			vblank=26;
			vblank656=26;
			burst=0x5b;
			comb=0x66;
			sc=556063;
		}
	}

	/* DEBUG: Displays configured PLL frequency */
	pll_int=cx25840_read(client, 0x108);
	pll_frac=cx25840_read4(client, 0x10c)&0x1ffffff;
	pll_post=cx25840_read(client, 0x109);
	v4l_dbg(1, cx25840_debug, client,
				"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)<<25L)+pll_frac)) >>25L;

		pll/=pll_post;
		v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n",
						pll/1000000, pll%1000000);
		v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n",
						pll/8000000, (pll/8)%1000000);

		fin=((u64)src_decimation*pll)>>12;
		v4l_dbg(1, cx25840_debug, client, "ADC Sampling freq = "
						"%d.%06d MHz\n",
						fin/1000000,fin%1000000);

		fsc= (((u64)sc)*pll) >> 24L;
		v4l_dbg(1, cx25840_debug, client, "Chroma sub-carrier freq = "
						"%d.%06d MHz\n",
						fsc/1000000,fsc%1000000);

		v4l_dbg(1, cx25840_debug, client, "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 */
	cx25840_write(client, 0x470, hblank);
	cx25840_write(client, 0x471, 0xff&(((hblank>>8)&0x3)|(hactive <<4)));
	cx25840_write(client, 0x472, hactive>>4);

	/* Sets burst gate delay */
	cx25840_write(client, 0x473, burst);

	/* Sets vertical blanking delay and active duration */
	cx25840_write(client, 0x474, vblank);
	cx25840_write(client, 0x475, 0xff&(((vblank>>8)&0x3)|(vactive <<4)));
	cx25840_write(client, 0x476, vactive>>4);
	cx25840_write(client, 0x477, vblank656);

	/* Sets src decimation rate */
	cx25840_write(client, 0x478, 0xff&src_decimation);
	cx25840_write(client, 0x479, 0xff&(src_decimation>>8));

	/* Sets Luma and UV Low pass filters */
	cx25840_write(client, 0x47a, luma_lpf<<6|((uv_lpf<<4)&0x30));

	/* Enables comb filters */
	cx25840_write(client, 0x47b, comb);

	/* Sets SC Step*/
	cx25840_write(client, 0x47c, sc);
	cx25840_write(client, 0x47d, 0xff&sc>>8);
	cx25840_write(client, 0x47e, 0xff&sc>>16);

	/* Sets VBI parameters */
	if (std & V4L2_STD_625_50) {
		cx25840_write(client, 0x47f, 0x01);
		state->vbi_line_offset = 5;
	} else {
		cx25840_write(client, 0x47f, 0x00);
		state->vbi_line_offset = 8;
	}
}

int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg)
{
	struct cx25840_state *state = i2c_get_clientdata(client);
@@ -292,8 +148,8 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg)
			/* raw VBI */
			memset(svbi, 0, sizeof(*svbi));

			/* Setup VBI */
			cx25840_vbi_setup(client);
			/* Setup standard */
			cx25840_std_setup(client);

			/* VBI Offset */
			cx25840_write(client, 0x47f, vbi_offset);
@@ -304,8 +160,8 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg)
		for (x = 0; x <= 23; x++)
			lcr[x] = 0x00;

		/* Setup VBI */
		cx25840_vbi_setup(client);
		/* Setup standard */
		cx25840_std_setup(client);

		/* Sliced VBI */
		cx25840_write(client, 0x404, 0x32);	/* Ancillary data */