1359 строки
39 KiB
C
1359 строки
39 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* cx18 ADEC audio functions
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*
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* Derived from cx25840-core.c
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*
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* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
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* Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
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*/
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#include "cx18-driver.h"
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#include "cx18-io.h"
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#include "cx18-cards.h"
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int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
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{
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u32 reg = 0xc40000 + (addr & ~3);
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u32 mask = 0xff;
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int shift = (addr & 3) * 8;
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u32 x = cx18_read_reg(cx, reg);
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x = (x & ~(mask << shift)) | ((u32)value << shift);
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cx18_write_reg(cx, x, reg);
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return 0;
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}
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int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask)
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{
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u32 reg = 0xc40000 + (addr & ~3);
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int shift = (addr & 3) * 8;
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u32 x = cx18_read_reg(cx, reg);
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x = (x & ~((u32)0xff << shift)) | ((u32)value << shift);
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cx18_write_reg_expect(cx, x, reg,
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((u32)eval << shift), ((u32)mask << shift));
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return 0;
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}
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int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value)
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{
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cx18_write_reg(cx, value, 0xc40000 + addr);
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return 0;
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}
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int
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cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask)
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{
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cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask);
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return 0;
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}
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int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value)
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{
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cx18_write_reg_noretry(cx, value, 0xc40000 + addr);
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return 0;
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}
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u8 cx18_av_read(struct cx18 *cx, u16 addr)
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{
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u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3));
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int shift = (addr & 3) * 8;
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return (x >> shift) & 0xff;
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}
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u32 cx18_av_read4(struct cx18 *cx, u16 addr)
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{
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return cx18_read_reg(cx, 0xc40000 + addr);
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}
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int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask,
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u8 or_value)
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{
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return cx18_av_write(cx, addr,
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(cx18_av_read(cx, addr) & and_mask) |
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or_value);
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}
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int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask,
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u32 or_value)
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{
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return cx18_av_write4(cx, addr,
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(cx18_av_read4(cx, addr) & and_mask) |
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or_value);
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}
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static void cx18_av_init(struct cx18 *cx)
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{
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/*
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* The crystal freq used in calculations in this driver will be
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* 28.636360 MHz.
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* Aim to run the PLLs' VCOs near 400 MHz to minimize errors.
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*/
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/*
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* VDCLK Integer = 0x0f, Post Divider = 0x04
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* AIMCLK Integer = 0x0e, Post Divider = 0x16
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*/
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cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f);
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/* VDCLK Fraction = 0x2be2fe */
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/* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */
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cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe);
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/* AIMCLK Fraction = 0x05227ad */
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/* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/
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cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad);
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/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */
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cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56);
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}
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static void cx18_av_initialize(struct v4l2_subdev *sd)
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{
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struct cx18_av_state *state = to_cx18_av_state(sd);
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struct cx18 *cx = v4l2_get_subdevdata(sd);
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int default_volume;
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u32 v;
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cx18_av_loadfw(cx);
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/* Stop 8051 code execution */
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cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000,
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0x03000000, 0x13000000);
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/* initialize the PLL by toggling sleep bit */
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v = cx18_av_read4(cx, CXADEC_HOST_REG1);
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/* enable sleep mode - register appears to be read only... */
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cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe);
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/* disable sleep mode */
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cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe,
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v & 0xfffe, 0xffff);
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/* initialize DLLs */
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v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF;
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/* disable FLD */
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cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v);
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/* enable FLD */
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cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100);
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v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF;
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/* disable FLD */
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cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v);
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/* enable FLD */
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cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100);
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/* set analog bias currents. Set Vreg to 1.20V. */
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cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802);
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v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1;
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/* enable TUNE_FIL_RST */
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cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F);
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/* disable TUNE_FIL_RST */
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cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3,
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v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F);
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/* enable 656 output */
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cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00);
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/* video output drive strength */
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cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2);
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/* reset video */
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cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000);
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cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0);
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/*
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* Disable Video Auto-config of the Analog Front End and Video PLL.
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*
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* Since we only use BT.656 pixel mode, which works for both 525 and 625
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* line systems, it's just easier for us to set registers
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* 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL),
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* 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC)
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* ourselves, than to run around cleaning up after the auto-config.
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*
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* (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit
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* get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL
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* autoconfig either.)
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*
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* As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3.
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*/
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cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000);
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/* Setup the Video and Aux/Audio PLLs */
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cx18_av_init(cx);
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/* set video to auto-detect */
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/* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */
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/* set the comb notch = 1 */
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cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800);
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/* Enable wtw_en in CRUSH_CTRL (Set bit 22) */
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/* Enable maj_sel in CRUSH_CTRL (Set bit 20) */
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cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000);
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/* Set VGA_TRACK_RANGE to 0x20 */
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cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000);
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/*
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* Initial VBI setup
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* VIP-1.1, 10 bit mode, enable Raw, disable sliced,
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* don't clamp raw samples when codes are in use, 1 byte user D-words,
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* IDID0 has line #, RP code V bit transition on VBLANK, data during
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* blanking intervals
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*/
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cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e);
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/* Set the video input.
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The setting in MODE_CTRL gets lost when we do the above setup */
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/* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */
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/* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */
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/*
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* Analog Front End (AFE)
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* Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2
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* bypass_ch[1-3] use filter
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* droop_comp_ch[1-3] disable
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* clamp_en_ch[1-3] disable
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* aud_in_sel ADC2
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* luma_in_sel ADC1
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* chroma_in_sel ADC2
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* clamp_sel_ch[2-3] midcode
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* clamp_sel_ch1 video decoder
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* vga_sel_ch3 audio decoder
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* vga_sel_ch[1-2] video decoder
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* half_bw_ch[1-3] disable
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* +12db_ch[1-3] disable
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*/
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cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00);
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/* if(dwEnable && dw3DCombAvailable) { */
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/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */
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/* } else { */
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/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */
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/* } */
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cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F);
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default_volume = cx18_av_read(cx, 0x8d4);
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/*
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* Enforce the legacy volume scale mapping limits to avoid
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* -ERANGE errors when initializing the volume control
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*/
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if (default_volume > 228) {
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/* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */
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default_volume = 228;
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cx18_av_write(cx, 0x8d4, 228);
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} else if (default_volume < 20) {
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/* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */
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default_volume = 20;
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cx18_av_write(cx, 0x8d4, 20);
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}
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default_volume = (((228 - default_volume) >> 1) + 23) << 9;
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state->volume->cur.val = state->volume->default_value = default_volume;
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v4l2_ctrl_handler_setup(&state->hdl);
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}
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static int cx18_av_reset(struct v4l2_subdev *sd, u32 val)
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{
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cx18_av_initialize(sd);
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return 0;
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}
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static int cx18_av_load_fw(struct v4l2_subdev *sd)
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{
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struct cx18_av_state *state = to_cx18_av_state(sd);
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if (!state->is_initialized) {
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/* initialize on first use */
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state->is_initialized = 1;
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cx18_av_initialize(sd);
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}
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return 0;
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}
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void cx18_av_std_setup(struct cx18 *cx)
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{
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struct cx18_av_state *state = &cx->av_state;
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struct v4l2_subdev *sd = &state->sd;
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v4l2_std_id std = state->std;
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/*
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* Video ADC crystal clock to pixel clock SRC decimation ratio
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* 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b
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*/
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const int src_decimation = 0x21f;
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int hblank, hactive, burst, vblank, vactive, sc;
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int vblank656;
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int luma_lpf, uv_lpf, comb;
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u32 pll_int, pll_frac, pll_post;
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/* datasheet startup, step 8d */
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if (std & ~V4L2_STD_NTSC)
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cx18_av_write(cx, 0x49f, 0x11);
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else
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cx18_av_write(cx, 0x49f, 0x14);
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/*
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* Note: At the end of a field, there are 3 sets of half line duration
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* (double horizontal rate) pulses:
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*
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* 5 (625) or 6 (525) half-lines to blank for the vertical retrace
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* 5 (625) or 6 (525) vertical sync pulses of half line duration
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* 5 (625) or 6 (525) half-lines of equalization pulses
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*/
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if (std & V4L2_STD_625_50) {
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/*
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* The following relationships of half line counts should hold:
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* 625 = vblank656 + vactive
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* 10 = vblank656 - vblank = vsync pulses + equalization pulses
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*
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* vblank656: half lines after line 625/mid-313 of blanked video
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* vblank: half lines, after line 5/317, of blanked video
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* vactive: half lines of active video +
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* 5 half lines after the end of active video
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*
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* As far as I can tell:
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* vblank656 starts counting from the falling edge of the first
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* vsync pulse (start of line 1 or mid-313)
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* vblank starts counting from the after the 5 vsync pulses and
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* 5 or 4 equalization pulses (start of line 6 or 318)
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*
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* For 625 line systems the driver will extract VBI information
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* from lines 6-23 and lines 318-335 (but the slicer can only
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* handle 17 lines, not the 18 in the vblank region).
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* In addition, we need vblank656 and vblank to be one whole
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* line longer, to cover line 24 and 336, so the SAV/EAV RP
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* codes get generated such that the encoder can actually
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* extract line 23 & 335 (WSS). We'll lose 1 line in each field
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* at the top of the screen.
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*
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* It appears the 5 half lines that happen after active
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* video must be included in vactive (579 instead of 574),
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* otherwise the colors get badly displayed in various regions
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* of the screen. I guess the chroma comb filter gets confused
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* without them (at least when a PVR-350 is the PAL source).
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*/
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vblank656 = 48; /* lines 1 - 24 & 313 - 336 */
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vblank = 38; /* lines 6 - 24 & 318 - 336 */
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vactive = 579; /* lines 24 - 313 & 337 - 626 */
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/*
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* For a 13.5 Mpps clock and 15,625 Hz line rate, a line is
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* 864 pixels = 720 active + 144 blanking. ITU-R BT.601
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* specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after
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* the end of active video to start a horizontal line, so that
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* leaves 132 pixels of hblank to ignore.
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*/
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hblank = 132;
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hactive = 720;
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/*
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* Burst gate delay (for 625 line systems)
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* Hsync leading edge to color burst rise = 5.6 us
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* Color burst width = 2.25 us
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* Gate width = 4 pixel clocks
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* (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks
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*/
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burst = 93;
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luma_lpf = 2;
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if (std & V4L2_STD_PAL) {
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uv_lpf = 1;
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comb = 0x20;
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/* sc = 4433618.75 * src_decimation/28636360 * 2^13 */
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sc = 688700;
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} else if (std == V4L2_STD_PAL_Nc) {
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uv_lpf = 1;
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comb = 0x20;
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/* sc = 3582056.25 * src_decimation/28636360 * 2^13 */
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sc = 556422;
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} else { /* SECAM */
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uv_lpf = 0;
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comb = 0;
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/* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */
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/* sc = 4328130 * src_decimation/28636360 * 2^13 */
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sc = 672314;
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}
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} else {
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/*
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* The following relationships of half line counts should hold:
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* 525 = prevsync + vblank656 + vactive
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* 12 = vblank656 - vblank = vsync pulses + equalization pulses
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*
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* prevsync: 6 half-lines before the vsync pulses
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* vblank656: half lines, after line 3/mid-266, of blanked video
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* vblank: half lines, after line 9/272, of blanked video
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* vactive: half lines of active video
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*
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* As far as I can tell:
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* vblank656 starts counting from the falling edge of the first
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* vsync pulse (start of line 4 or mid-266)
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* vblank starts counting from the after the 6 vsync pulses and
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* 6 or 5 equalization pulses (start of line 10 or 272)
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*
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* For 525 line systems the driver will extract VBI information
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* from lines 10-21 and lines 273-284.
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*/
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vblank656 = 38; /* lines 4 - 22 & 266 - 284 */
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vblank = 26; /* lines 10 - 22 & 272 - 284 */
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vactive = 481; /* lines 23 - 263 & 285 - 525 */
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/*
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* For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is
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* 858 pixels = 720 active + 138 blanking. The Hsync leading
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* edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the
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* end of active video, leaving 122 pixels of hblank to ignore
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* before active video starts.
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*/
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hactive = 720;
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hblank = 122;
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luma_lpf = 1;
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uv_lpf = 1;
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/*
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* Burst gate delay (for 525 line systems)
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* Hsync leading edge to color burst rise = 5.3 us
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* Color burst width = 2.5 us
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* Gate width = 4 pixel clocks
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* (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks
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*/
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if (std == V4L2_STD_PAL_60) {
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burst = 90;
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luma_lpf = 2;
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comb = 0x20;
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/* sc = 4433618.75 * src_decimation/28636360 * 2^13 */
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sc = 688700;
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} else if (std == V4L2_STD_PAL_M) {
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/* The 97 needs to be verified against PAL-M timings */
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burst = 97;
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comb = 0x20;
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/* sc = 3575611.49 * src_decimation/28636360 * 2^13 */
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sc = 555421;
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} else {
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burst = 90;
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comb = 0x66;
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/* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */
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sc = 556032;
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}
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}
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/* DEBUG: Displays configured PLL frequency */
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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_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n",
|
|
pll_int, pll_frac, pll_post);
|
|
|
|
if (pll_post) {
|
|
int fsc, pll;
|
|
u64 tmp;
|
|
|
|
pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25;
|
|
pll /= pll_post;
|
|
CX18_DEBUG_INFO_DEV(sd, "Video PLL = %d.%06d MHz\n",
|
|
pll / 1000000, pll % 1000000);
|
|
CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n",
|
|
pll / 8000000, (pll / 8) % 1000000);
|
|
|
|
CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio = %d.%03d\n",
|
|
src_decimation / 256,
|
|
((src_decimation % 256) * 1000) / 256);
|
|
|
|
tmp = 28636360 * (u64) sc;
|
|
do_div(tmp, src_decimation);
|
|
fsc = tmp >> 13;
|
|
CX18_DEBUG_INFO_DEV(sd,
|
|
"Chroma sub-carrier initial freq = %d.%06d MHz\n",
|
|
fsc / 1000000, fsc % 1000000);
|
|
|
|
CX18_DEBUG_INFO_DEV(sd,
|
|
"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,
|
|
(((hblank >> 8) & 0x3) | (hactive << 4)) & 0xff);
|
|
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,
|
|
(((vblank >> 8) & 0x3) | (vactive << 4)) & 0xff);
|
|
cx18_av_write(cx, 0x476, vactive >> 4);
|
|
cx18_av_write(cx, 0x477, vblank656);
|
|
|
|
/* Sets src decimation rate */
|
|
cx18_av_write(cx, 0x478, src_decimation & 0xff);
|
|
cx18_av_write(cx, 0x479, (src_decimation >> 8) & 0xff);
|
|
|
|
/* 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, (sc >> 8) & 0xff);
|
|
cx18_av_write(cx, 0x47e, (sc >> 16) & 0xff);
|
|
|
|
if (std & V4L2_STD_625_50) {
|
|
state->slicer_line_delay = 1;
|
|
state->slicer_line_offset = (6 + state->slicer_line_delay - 2);
|
|
} else {
|
|
state->slicer_line_delay = 0;
|
|
state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
|
|
}
|
|
cx18_av_write(cx, 0x47f, state->slicer_line_delay);
|
|
}
|
|
|
|
static void input_change(struct cx18 *cx)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
v4l2_std_id std = state->std;
|
|
u8 v;
|
|
|
|
/* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
|
|
cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
|
|
cx18_av_and_or(cx, 0x401, ~0x60, 0);
|
|
cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
|
|
|
|
if (std & V4L2_STD_525_60) {
|
|
if (std == V4L2_STD_NTSC_M_JP) {
|
|
/* Japan uses EIAJ audio standard */
|
|
cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff);
|
|
cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f);
|
|
} else if (std == V4L2_STD_NTSC_M_KR) {
|
|
/* South Korea uses A2 audio standard */
|
|
cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff);
|
|
cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
|
|
} else {
|
|
/* Others use the BTSC audio standard */
|
|
cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff);
|
|
cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f);
|
|
}
|
|
} else if (std & V4L2_STD_PAL) {
|
|
/* Follow tuner change procedure for PAL */
|
|
cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
|
|
cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
|
|
} else if (std & V4L2_STD_SECAM) {
|
|
/* Select autodetect for SECAM */
|
|
cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
|
|
cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
|
|
}
|
|
|
|
v = cx18_av_read(cx, 0x803);
|
|
if (v & 0x10) {
|
|
/* restart audio decoder microcontroller */
|
|
v &= ~0x10;
|
|
cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
|
|
v |= 0x10;
|
|
cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
|
|
}
|
|
}
|
|
|
|
static int cx18_av_s_frequency(struct v4l2_subdev *sd,
|
|
const struct v4l2_frequency *freq)
|
|
{
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
input_change(cx);
|
|
return 0;
|
|
}
|
|
|
|
static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
|
|
enum cx18_av_audio_input aud_input)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
struct v4l2_subdev *sd = &state->sd;
|
|
|
|
enum analog_signal_type {
|
|
NONE, CVBS, Y, C, SIF, Pb, Pr
|
|
} ch[3] = {NONE, NONE, NONE};
|
|
|
|
u8 afe_mux_cfg;
|
|
u8 adc2_cfg;
|
|
u8 input_mode;
|
|
u32 afe_cfg;
|
|
int i;
|
|
|
|
CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n",
|
|
vid_input, aud_input);
|
|
|
|
if (vid_input >= CX18_AV_COMPOSITE1 &&
|
|
vid_input <= CX18_AV_COMPOSITE8) {
|
|
afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
|
|
ch[0] = CVBS;
|
|
input_mode = 0x0;
|
|
} else if (vid_input >= CX18_AV_COMPONENT_LUMA1) {
|
|
int luma = vid_input & 0xf000;
|
|
int r_chroma = vid_input & 0xf0000;
|
|
int b_chroma = vid_input & 0xf00000;
|
|
|
|
if ((vid_input & ~0xfff000) ||
|
|
luma < CX18_AV_COMPONENT_LUMA1 ||
|
|
luma > CX18_AV_COMPONENT_LUMA8 ||
|
|
r_chroma < CX18_AV_COMPONENT_R_CHROMA4 ||
|
|
r_chroma > CX18_AV_COMPONENT_R_CHROMA6 ||
|
|
b_chroma < CX18_AV_COMPONENT_B_CHROMA7 ||
|
|
b_chroma > CX18_AV_COMPONENT_B_CHROMA8) {
|
|
CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n",
|
|
vid_input);
|
|
return -EINVAL;
|
|
}
|
|
afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12;
|
|
ch[0] = Y;
|
|
afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12;
|
|
ch[1] = Pr;
|
|
afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14;
|
|
ch[2] = Pb;
|
|
input_mode = 0x6;
|
|
} else {
|
|
int luma = vid_input & 0xf0;
|
|
int chroma = vid_input & 0xf00;
|
|
|
|
if ((vid_input & ~0xff0) ||
|
|
luma < CX18_AV_SVIDEO_LUMA1 ||
|
|
luma > CX18_AV_SVIDEO_LUMA8 ||
|
|
chroma < CX18_AV_SVIDEO_CHROMA4 ||
|
|
chroma > CX18_AV_SVIDEO_CHROMA8) {
|
|
CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n",
|
|
vid_input);
|
|
return -EINVAL;
|
|
}
|
|
afe_mux_cfg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
|
|
ch[0] = Y;
|
|
if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
|
|
afe_mux_cfg &= 0x3f;
|
|
afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
|
|
ch[2] = C;
|
|
} else {
|
|
afe_mux_cfg &= 0xcf;
|
|
afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
|
|
ch[1] = C;
|
|
}
|
|
input_mode = 0x2;
|
|
}
|
|
|
|
switch (aud_input) {
|
|
case CX18_AV_AUDIO_SERIAL1:
|
|
case CX18_AV_AUDIO_SERIAL2:
|
|
/* do nothing, use serial audio input */
|
|
break;
|
|
case CX18_AV_AUDIO4:
|
|
afe_mux_cfg &= ~0x30;
|
|
ch[1] = SIF;
|
|
break;
|
|
case CX18_AV_AUDIO5:
|
|
afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x10;
|
|
ch[1] = SIF;
|
|
break;
|
|
case CX18_AV_AUDIO6:
|
|
afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x20;
|
|
ch[1] = SIF;
|
|
break;
|
|
case CX18_AV_AUDIO7:
|
|
afe_mux_cfg &= ~0xc0;
|
|
ch[2] = SIF;
|
|
break;
|
|
case CX18_AV_AUDIO8:
|
|
afe_mux_cfg = (afe_mux_cfg & ~0xc0) | 0x40;
|
|
ch[2] = SIF;
|
|
break;
|
|
|
|
default:
|
|
CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n",
|
|
aud_input);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Set up analog front end multiplexers */
|
|
cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7);
|
|
/* Set INPUT_MODE to Composite, S-Video, or Component */
|
|
cx18_av_and_or(cx, 0x401, ~0x6, input_mode);
|
|
|
|
/* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
|
|
adc2_cfg = cx18_av_read(cx, 0x102);
|
|
if (ch[2] == NONE)
|
|
adc2_cfg &= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */
|
|
else
|
|
adc2_cfg |= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */
|
|
|
|
/* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
|
|
if (ch[1] != NONE && ch[2] != NONE)
|
|
adc2_cfg |= 0x4; /* Set dual mode */
|
|
else
|
|
adc2_cfg &= ~0x4; /* Clear dual mode */
|
|
cx18_av_write_expect(cx, 0x102, adc2_cfg, adc2_cfg, 0x17);
|
|
|
|
/* Configure the analog front end */
|
|
afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL);
|
|
afe_cfg &= 0xff000000;
|
|
afe_cfg |= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */
|
|
if (ch[1] != NONE && ch[2] != NONE)
|
|
afe_cfg |= 0x00000030; /* half_bw_ch[2-3] since in dual mode */
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
switch (ch[i]) {
|
|
default:
|
|
case NONE:
|
|
/* CLAMP_SEL = Fixed to midcode clamp level */
|
|
afe_cfg |= (0x00000200 << i);
|
|
break;
|
|
case CVBS:
|
|
case Y:
|
|
if (i > 0)
|
|
afe_cfg |= 0x00002000; /* LUMA_IN_SEL: ADC2 */
|
|
break;
|
|
case C:
|
|
case Pb:
|
|
case Pr:
|
|
/* CLAMP_SEL = Fixed to midcode clamp level */
|
|
afe_cfg |= (0x00000200 << i);
|
|
if (i == 0 && ch[i] == C)
|
|
afe_cfg &= ~0x00001000; /* CHROMA_IN_SEL ADC1 */
|
|
break;
|
|
case SIF:
|
|
/*
|
|
* VGA_GAIN_SEL = Audio Decoder
|
|
* CLAMP_SEL = Fixed to midcode clamp level
|
|
*/
|
|
afe_cfg |= (0x00000240 << i);
|
|
if (i == 0)
|
|
afe_cfg &= ~0x00004000; /* AUD_IN_SEL ADC1 */
|
|
break;
|
|
}
|
|
}
|
|
|
|
cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg);
|
|
|
|
state->vid_input = vid_input;
|
|
state->aud_input = aud_input;
|
|
cx18_av_audio_set_path(cx);
|
|
input_change(cx);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_video_routing(struct v4l2_subdev *sd,
|
|
u32 input, u32 output, u32 config)
|
|
{
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
return set_input(cx, input, state->aud_input);
|
|
}
|
|
|
|
static int cx18_av_s_audio_routing(struct v4l2_subdev *sd,
|
|
u32 input, u32 output, u32 config)
|
|
{
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
return set_input(cx, state->vid_input, input);
|
|
}
|
|
|
|
static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
|
|
{
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
u8 vpres;
|
|
u8 mode;
|
|
int val = 0;
|
|
|
|
if (state->radio)
|
|
return 0;
|
|
|
|
vpres = cx18_av_read(cx, 0x40e) & 0x20;
|
|
vt->signal = vpres ? 0xffff : 0x0;
|
|
|
|
vt->capability |=
|
|
V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
|
|
V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
|
|
|
|
mode = cx18_av_read(cx, 0x804);
|
|
|
|
/* get rxsubchans and audmode */
|
|
if ((mode & 0xf) == 1)
|
|
val |= V4L2_TUNER_SUB_STEREO;
|
|
else
|
|
val |= V4L2_TUNER_SUB_MONO;
|
|
|
|
if (mode == 2 || mode == 4)
|
|
val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
|
|
|
|
if (mode & 0x10)
|
|
val |= V4L2_TUNER_SUB_SAP;
|
|
|
|
vt->rxsubchans = val;
|
|
vt->audmode = state->audmode;
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt)
|
|
{
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
u8 v;
|
|
|
|
if (state->radio)
|
|
return 0;
|
|
|
|
v = cx18_av_read(cx, 0x809);
|
|
v &= ~0xf;
|
|
|
|
switch (vt->audmode) {
|
|
case V4L2_TUNER_MODE_MONO:
|
|
/* mono -> mono
|
|
stereo -> mono
|
|
bilingual -> lang1 */
|
|
break;
|
|
case V4L2_TUNER_MODE_STEREO:
|
|
case V4L2_TUNER_MODE_LANG1:
|
|
/* mono -> mono
|
|
stereo -> stereo
|
|
bilingual -> lang1 */
|
|
v |= 0x4;
|
|
break;
|
|
case V4L2_TUNER_MODE_LANG1_LANG2:
|
|
/* mono -> mono
|
|
stereo -> stereo
|
|
bilingual -> lang1/lang2 */
|
|
v |= 0x7;
|
|
break;
|
|
case V4L2_TUNER_MODE_LANG2:
|
|
/* mono -> mono
|
|
stereo -> stereo
|
|
bilingual -> lang2 */
|
|
v |= 0x1;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
cx18_av_write_expect(cx, 0x809, v, v, 0xff);
|
|
state->audmode = vt->audmode;
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
|
|
{
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
|
|
u8 fmt = 0; /* zero is autodetect */
|
|
u8 pal_m = 0;
|
|
|
|
if (state->radio == 0 && state->std == norm)
|
|
return 0;
|
|
|
|
state->radio = 0;
|
|
state->std = norm;
|
|
|
|
/* First tests should be against specific std */
|
|
if (state->std == V4L2_STD_NTSC_M_JP) {
|
|
fmt = 0x2;
|
|
} else if (state->std == V4L2_STD_NTSC_443) {
|
|
fmt = 0x3;
|
|
} else if (state->std == V4L2_STD_PAL_M) {
|
|
pal_m = 1;
|
|
fmt = 0x5;
|
|
} else if (state->std == V4L2_STD_PAL_N) {
|
|
fmt = 0x6;
|
|
} else if (state->std == V4L2_STD_PAL_Nc) {
|
|
fmt = 0x7;
|
|
} else if (state->std == V4L2_STD_PAL_60) {
|
|
fmt = 0x8;
|
|
} else {
|
|
/* Then, test against generic ones */
|
|
if (state->std & V4L2_STD_NTSC)
|
|
fmt = 0x1;
|
|
else if (state->std & V4L2_STD_PAL)
|
|
fmt = 0x4;
|
|
else if (state->std & V4L2_STD_SECAM)
|
|
fmt = 0xc;
|
|
}
|
|
|
|
CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt);
|
|
|
|
/* Follow step 9 of section 3.16 in the cx18_av datasheet.
|
|
Without this PAL may display a vertical ghosting effect.
|
|
This happens for example with the Yuan MPC622. */
|
|
if (fmt >= 4 && fmt < 8) {
|
|
/* Set format to NTSC-M */
|
|
cx18_av_and_or(cx, 0x400, ~0xf, 1);
|
|
/* Turn off LCOMB */
|
|
cx18_av_and_or(cx, 0x47b, ~6, 0);
|
|
}
|
|
cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20);
|
|
cx18_av_and_or(cx, 0x403, ~0x3, pal_m);
|
|
cx18_av_std_setup(cx);
|
|
input_change(cx);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_radio(struct v4l2_subdev *sd)
|
|
{
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
state->radio = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct v4l2_subdev *sd = to_sd(ctrl);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
cx18_av_write(cx, 0x414, ctrl->val - 128);
|
|
break;
|
|
|
|
case V4L2_CID_CONTRAST:
|
|
cx18_av_write(cx, 0x415, ctrl->val << 1);
|
|
break;
|
|
|
|
case V4L2_CID_SATURATION:
|
|
cx18_av_write(cx, 0x420, ctrl->val << 1);
|
|
cx18_av_write(cx, 0x421, ctrl->val << 1);
|
|
break;
|
|
|
|
case V4L2_CID_HUE:
|
|
cx18_av_write(cx, 0x422, ctrl->val);
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_set_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *format)
|
|
{
|
|
struct v4l2_mbus_framefmt *fmt = &format->format;
|
|
struct cx18_av_state *state = to_cx18_av_state(sd);
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
|
|
int is_50Hz = !(state->std & V4L2_STD_525_60);
|
|
|
|
if (format->pad || fmt->code != MEDIA_BUS_FMT_FIXED)
|
|
return -EINVAL;
|
|
|
|
fmt->field = V4L2_FIELD_INTERLACED;
|
|
fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
|
|
|
|
Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4;
|
|
Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4;
|
|
|
|
Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4;
|
|
Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4;
|
|
|
|
/*
|
|
* This adjustment reflects the excess of vactive, set in
|
|
* cx18_av_std_setup(), above standard values:
|
|
*
|
|
* 480 + 1 for 60 Hz systems
|
|
* 576 + 3 for 50 Hz systems
|
|
*/
|
|
Vlines = fmt->height + (is_50Hz ? 3 : 1);
|
|
|
|
/*
|
|
* Invalid height and width scaling requests are:
|
|
* 1. width less than 1/16 of the source width
|
|
* 2. width greater than the source width
|
|
* 3. height less than 1/8 of the source height
|
|
* 4. height greater than the source height
|
|
*/
|
|
if ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) ||
|
|
(Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
|
|
CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n",
|
|
fmt->width, fmt->height);
|
|
return -ERANGE;
|
|
}
|
|
|
|
if (format->which == V4L2_SUBDEV_FORMAT_TRY)
|
|
return 0;
|
|
|
|
HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20);
|
|
VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
|
|
VSC &= 0x1fff;
|
|
|
|
if (fmt->width >= 385)
|
|
filter = 0;
|
|
else if (fmt->width > 192)
|
|
filter = 1;
|
|
else if (fmt->width > 96)
|
|
filter = 2;
|
|
else
|
|
filter = 3;
|
|
|
|
CX18_DEBUG_INFO_DEV(sd,
|
|
"decoder set size %dx%d -> scale %ux%u\n",
|
|
fmt->width, fmt->height, HSC, VSC);
|
|
|
|
/* HSCALE=HSC */
|
|
cx18_av_write(cx, 0x418, HSC & 0xff);
|
|
cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff);
|
|
cx18_av_write(cx, 0x41a, HSC >> 16);
|
|
/* VSCALE=VSC */
|
|
cx18_av_write(cx, 0x41c, VSC & 0xff);
|
|
cx18_av_write(cx, 0x41d, VSC >> 8);
|
|
/* VS_INTRLACE=1 VFILT=filter */
|
|
cx18_av_write(cx, 0x41e, 0x8 | filter);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable)
|
|
{
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
|
|
CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable");
|
|
if (enable) {
|
|
cx18_av_write(cx, 0x115, 0x8c);
|
|
cx18_av_write(cx, 0x116, 0x07);
|
|
} else {
|
|
cx18_av_write(cx, 0x115, 0x00);
|
|
cx18_av_write(cx, 0x116, 0x00);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void log_video_status(struct cx18 *cx)
|
|
{
|
|
static const char *const fmt_strs[] = {
|
|
"0x0",
|
|
"NTSC-M", "NTSC-J", "NTSC-4.43",
|
|
"PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
|
|
"0x9", "0xA", "0xB",
|
|
"SECAM",
|
|
"0xD", "0xE", "0xF"
|
|
};
|
|
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
struct v4l2_subdev *sd = &state->sd;
|
|
u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf;
|
|
u8 gen_stat1 = cx18_av_read(cx, 0x40d);
|
|
u8 gen_stat2 = cx18_av_read(cx, 0x40e);
|
|
int vid_input = state->vid_input;
|
|
|
|
CX18_INFO_DEV(sd, "Video signal: %spresent\n",
|
|
(gen_stat2 & 0x20) ? "" : "not ");
|
|
CX18_INFO_DEV(sd, "Detected format: %s\n",
|
|
fmt_strs[gen_stat1 & 0xf]);
|
|
|
|
CX18_INFO_DEV(sd, "Specified standard: %s\n",
|
|
vidfmt_sel ? fmt_strs[vidfmt_sel]
|
|
: "automatic detection");
|
|
|
|
if (vid_input >= CX18_AV_COMPOSITE1 &&
|
|
vid_input <= CX18_AV_COMPOSITE8) {
|
|
CX18_INFO_DEV(sd, "Specified video input: Composite %d\n",
|
|
vid_input - CX18_AV_COMPOSITE1 + 1);
|
|
} else {
|
|
CX18_INFO_DEV(sd, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
|
|
(vid_input & 0xf0) >> 4,
|
|
(vid_input & 0xf00) >> 8);
|
|
}
|
|
|
|
CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n",
|
|
state->audclk_freq);
|
|
}
|
|
|
|
static void log_audio_status(struct cx18 *cx)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
struct v4l2_subdev *sd = &state->sd;
|
|
u8 download_ctl = cx18_av_read(cx, 0x803);
|
|
u8 mod_det_stat0 = cx18_av_read(cx, 0x804);
|
|
u8 mod_det_stat1 = cx18_av_read(cx, 0x805);
|
|
u8 audio_config = cx18_av_read(cx, 0x808);
|
|
u8 pref_mode = cx18_av_read(cx, 0x809);
|
|
u8 afc0 = cx18_av_read(cx, 0x80b);
|
|
u8 mute_ctl = cx18_av_read(cx, 0x8d3);
|
|
int aud_input = state->aud_input;
|
|
char *p;
|
|
|
|
switch (mod_det_stat0) {
|
|
case 0x00: p = "mono"; break;
|
|
case 0x01: p = "stereo"; break;
|
|
case 0x02: p = "dual"; break;
|
|
case 0x04: p = "tri"; break;
|
|
case 0x10: p = "mono with SAP"; break;
|
|
case 0x11: p = "stereo with SAP"; break;
|
|
case 0x12: p = "dual with SAP"; break;
|
|
case 0x14: p = "tri with SAP"; break;
|
|
case 0xfe: p = "forced mode"; break;
|
|
default: p = "not defined"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p);
|
|
|
|
switch (mod_det_stat1) {
|
|
case 0x00: p = "not defined"; break;
|
|
case 0x01: p = "EIAJ"; break;
|
|
case 0x02: p = "A2-M"; break;
|
|
case 0x03: p = "A2-BG"; break;
|
|
case 0x04: p = "A2-DK1"; break;
|
|
case 0x05: p = "A2-DK2"; break;
|
|
case 0x06: p = "A2-DK3"; break;
|
|
case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
|
|
case 0x08: p = "AM-L"; break;
|
|
case 0x09: p = "NICAM-BG"; break;
|
|
case 0x0a: p = "NICAM-DK"; break;
|
|
case 0x0b: p = "NICAM-I"; break;
|
|
case 0x0c: p = "NICAM-L"; break;
|
|
case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
|
|
case 0x0e: p = "IF FM Radio"; break;
|
|
case 0x0f: p = "BTSC"; break;
|
|
case 0x10: p = "detected chrominance"; break;
|
|
case 0xfd: p = "unknown audio standard"; break;
|
|
case 0xfe: p = "forced audio standard"; break;
|
|
case 0xff: p = "no detected audio standard"; break;
|
|
default: p = "not defined"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p);
|
|
CX18_INFO_DEV(sd, "Audio muted: %s\n",
|
|
(mute_ctl & 0x2) ? "yes" : "no");
|
|
CX18_INFO_DEV(sd, "Audio microcontroller: %s\n",
|
|
(download_ctl & 0x10) ? "running" : "stopped");
|
|
|
|
switch (audio_config >> 4) {
|
|
case 0x00: p = "undefined"; break;
|
|
case 0x01: p = "BTSC"; break;
|
|
case 0x02: p = "EIAJ"; break;
|
|
case 0x03: p = "A2-M"; break;
|
|
case 0x04: p = "A2-BG"; break;
|
|
case 0x05: p = "A2-DK1"; break;
|
|
case 0x06: p = "A2-DK2"; break;
|
|
case 0x07: p = "A2-DK3"; break;
|
|
case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
|
|
case 0x09: p = "AM-L"; break;
|
|
case 0x0a: p = "NICAM-BG"; break;
|
|
case 0x0b: p = "NICAM-DK"; break;
|
|
case 0x0c: p = "NICAM-I"; break;
|
|
case 0x0d: p = "NICAM-L"; break;
|
|
case 0x0e: p = "FM radio"; break;
|
|
case 0x0f: p = "automatic detection"; break;
|
|
default: p = "undefined"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p);
|
|
|
|
if ((audio_config >> 4) < 0xF) {
|
|
switch (audio_config & 0xF) {
|
|
case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
|
|
case 0x01: p = "MONO2 (LANGUAGE B)"; break;
|
|
case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
|
|
case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
|
|
case 0x04: p = "STEREO"; break;
|
|
case 0x05: p = "DUAL1 (AC)"; break;
|
|
case 0x06: p = "DUAL2 (BC)"; break;
|
|
case 0x07: p = "DUAL3 (AB)"; break;
|
|
default: p = "undefined";
|
|
}
|
|
CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p);
|
|
} else {
|
|
switch (audio_config & 0xF) {
|
|
case 0x00: p = "BG"; break;
|
|
case 0x01: p = "DK1"; break;
|
|
case 0x02: p = "DK2"; break;
|
|
case 0x03: p = "DK3"; break;
|
|
case 0x04: p = "I"; break;
|
|
case 0x05: p = "L"; break;
|
|
case 0x06: p = "BTSC"; break;
|
|
case 0x07: p = "EIAJ"; break;
|
|
case 0x08: p = "A2-M"; break;
|
|
case 0x09: p = "FM Radio (4.5 MHz)"; break;
|
|
case 0x0a: p = "FM Radio (5.5 MHz)"; break;
|
|
case 0x0b: p = "S-Video"; break;
|
|
case 0x0f: p = "automatic standard and mode detection"; break;
|
|
default: p = "undefined"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Configured audio system: %s\n", p);
|
|
}
|
|
|
|
if (aud_input)
|
|
CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n",
|
|
aud_input);
|
|
else
|
|
CX18_INFO_DEV(sd, "Specified audio input: External\n");
|
|
|
|
switch (pref_mode & 0xf) {
|
|
case 0: p = "mono/language A"; break;
|
|
case 1: p = "language B"; break;
|
|
case 2: p = "language C"; break;
|
|
case 3: p = "analog fallback"; break;
|
|
case 4: p = "stereo"; break;
|
|
case 5: p = "language AC"; break;
|
|
case 6: p = "language BC"; break;
|
|
case 7: p = "language AB"; break;
|
|
default: p = "undefined"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p);
|
|
|
|
if ((audio_config & 0xf) == 0xf) {
|
|
switch ((afc0 >> 3) & 0x1) {
|
|
case 0: p = "system DK"; break;
|
|
case 1: p = "system L"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p);
|
|
|
|
switch (afc0 & 0x7) {
|
|
case 0: p = "Chroma"; break;
|
|
case 1: p = "BTSC"; break;
|
|
case 2: p = "EIAJ"; break;
|
|
case 3: p = "A2-M"; break;
|
|
case 4: p = "autodetect"; break;
|
|
default: p = "undefined"; break;
|
|
}
|
|
CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p);
|
|
}
|
|
}
|
|
|
|
static int cx18_av_log_status(struct v4l2_subdev *sd)
|
|
{
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
log_video_status(cx);
|
|
log_audio_status(cx);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
static int cx18_av_g_register(struct v4l2_subdev *sd,
|
|
struct v4l2_dbg_register *reg)
|
|
{
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
|
|
if ((reg->reg & 0x3) != 0)
|
|
return -EINVAL;
|
|
reg->size = 4;
|
|
reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_av_s_register(struct v4l2_subdev *sd,
|
|
const struct v4l2_dbg_register *reg)
|
|
{
|
|
struct cx18 *cx = v4l2_get_subdevdata(sd);
|
|
|
|
if ((reg->reg & 0x3) != 0)
|
|
return -EINVAL;
|
|
cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static const struct v4l2_ctrl_ops cx18_av_ctrl_ops = {
|
|
.s_ctrl = cx18_av_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_core_ops cx18_av_general_ops = {
|
|
.log_status = cx18_av_log_status,
|
|
.load_fw = cx18_av_load_fw,
|
|
.reset = cx18_av_reset,
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
.g_register = cx18_av_g_register,
|
|
.s_register = cx18_av_s_register,
|
|
#endif
|
|
};
|
|
|
|
static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = {
|
|
.s_radio = cx18_av_s_radio,
|
|
.s_frequency = cx18_av_s_frequency,
|
|
.g_tuner = cx18_av_g_tuner,
|
|
.s_tuner = cx18_av_s_tuner,
|
|
};
|
|
|
|
static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = {
|
|
.s_clock_freq = cx18_av_s_clock_freq,
|
|
.s_routing = cx18_av_s_audio_routing,
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops cx18_av_video_ops = {
|
|
.s_std = cx18_av_s_std,
|
|
.s_routing = cx18_av_s_video_routing,
|
|
.s_stream = cx18_av_s_stream,
|
|
};
|
|
|
|
static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = {
|
|
.decode_vbi_line = cx18_av_decode_vbi_line,
|
|
.g_sliced_fmt = cx18_av_g_sliced_fmt,
|
|
.s_sliced_fmt = cx18_av_s_sliced_fmt,
|
|
.s_raw_fmt = cx18_av_s_raw_fmt,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops cx18_av_pad_ops = {
|
|
.set_fmt = cx18_av_set_fmt,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops cx18_av_ops = {
|
|
.core = &cx18_av_general_ops,
|
|
.tuner = &cx18_av_tuner_ops,
|
|
.audio = &cx18_av_audio_ops,
|
|
.video = &cx18_av_video_ops,
|
|
.vbi = &cx18_av_vbi_ops,
|
|
.pad = &cx18_av_pad_ops,
|
|
};
|
|
|
|
int cx18_av_probe(struct cx18 *cx)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
struct v4l2_subdev *sd;
|
|
int err;
|
|
|
|
state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff;
|
|
|
|
state->vid_input = CX18_AV_COMPOSITE7;
|
|
state->aud_input = CX18_AV_AUDIO8;
|
|
state->audclk_freq = 48000;
|
|
state->audmode = V4L2_TUNER_MODE_LANG1;
|
|
state->slicer_line_delay = 0;
|
|
state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
|
|
|
|
sd = &state->sd;
|
|
v4l2_subdev_init(sd, &cx18_av_ops);
|
|
v4l2_set_subdevdata(sd, cx);
|
|
snprintf(sd->name, sizeof(sd->name),
|
|
"%s %03x", cx->v4l2_dev.name, (state->rev >> 4));
|
|
sd->grp_id = CX18_HW_418_AV;
|
|
v4l2_ctrl_handler_init(&state->hdl, 9);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
|
|
V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
|
|
V4L2_CID_CONTRAST, 0, 127, 1, 64);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
|
|
V4L2_CID_SATURATION, 0, 127, 1, 64);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops,
|
|
V4L2_CID_HUE, -128, 127, 1, 0);
|
|
|
|
state->volume = v4l2_ctrl_new_std(&state->hdl,
|
|
&cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
|
|
0, 65535, 65535 / 100, 0);
|
|
v4l2_ctrl_new_std(&state->hdl,
|
|
&cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE,
|
|
0, 1, 1, 0);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops,
|
|
V4L2_CID_AUDIO_BALANCE,
|
|
0, 65535, 65535 / 100, 32768);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops,
|
|
V4L2_CID_AUDIO_BASS,
|
|
0, 65535, 65535 / 100, 32768);
|
|
v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops,
|
|
V4L2_CID_AUDIO_TREBLE,
|
|
0, 65535, 65535 / 100, 32768);
|
|
sd->ctrl_handler = &state->hdl;
|
|
if (state->hdl.error) {
|
|
int err = state->hdl.error;
|
|
|
|
v4l2_ctrl_handler_free(&state->hdl);
|
|
return err;
|
|
}
|
|
err = v4l2_device_register_subdev(&cx->v4l2_dev, sd);
|
|
if (err)
|
|
v4l2_ctrl_handler_free(&state->hdl);
|
|
else
|
|
cx18_av_init(cx);
|
|
return err;
|
|
}
|