mirror of https://gitee.com/openkylin/linux.git
1080 lines
29 KiB
C
1080 lines
29 KiB
C
/*
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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@radix.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include "cx18-driver.h"
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#include "cx18-io.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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/* ----------------------------------------------------------------------- */
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static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
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enum cx18_av_audio_input aud_input);
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static void log_audio_status(struct cx18 *cx);
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static void log_video_status(struct cx18 *cx);
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/* ----------------------------------------------------------------------- */
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static void cx18_av_initialize(struct cx18 *cx)
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{
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struct cx18_av_state *state = &cx->av_state;
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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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/* initallize 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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/* 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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/* Enable VBI capture */
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cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253F);
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/* cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253E); */
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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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v = cx18_av_read4(cx, CXADEC_AFE_CTRL);
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v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */
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v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */
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v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */
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/* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */
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cx18_av_write4(cx, CXADEC_AFE_CTRL, v);
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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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state->default_volume = 228 - cx18_av_read(cx, 0x8d4);
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state->default_volume = ((state->default_volume / 2) + 23) << 9;
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}
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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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v4l2_std_id std = state->std;
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int hblank, hactive, burst, vblank, vactive, sc;
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int vblank656, src_decimation;
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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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if (std & V4L2_STD_625_50) {
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hblank = 132;
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hactive = 720;
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burst = 93;
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vblank = 36;
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vactive = 580;
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vblank656 = 40;
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src_decimation = 0x21f;
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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 = 688739;
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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 = 556453;
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} else { /* SECAM */
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uv_lpf = 0;
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comb = 0;
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sc = 672351;
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}
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} else {
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hactive = 720;
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hblank = 122;
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vactive = 487;
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luma_lpf = 1;
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uv_lpf = 1;
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vblank = 26;
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vblank656 = 26;
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src_decimation = 0x21f;
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if (std == V4L2_STD_PAL_60) {
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burst = 0x5b;
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luma_lpf = 2;
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comb = 0x20;
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sc = 688739;
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} else if (std == V4L2_STD_PAL_M) {
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burst = 0x61;
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comb = 0x20;
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sc = 555452;
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} else {
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burst = 0x5b;
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comb = 0x66;
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sc = 556063;
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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);
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pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff;
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pll_post = cx18_av_read(cx, 0x109);
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CX18_DEBUG_INFO("PLL regs = int: %u, frac: %u, post: %u\n",
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pll_int, pll_frac, pll_post);
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if (pll_post) {
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int fin, fsc, pll;
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pll = (28636364L * ((((u64)pll_int) << 25) + pll_frac)) >> 25;
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pll /= pll_post;
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CX18_DEBUG_INFO("PLL = %d.%06d MHz\n",
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pll / 1000000, pll % 1000000);
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CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n",
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pll / 8000000, (pll / 8) % 1000000);
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fin = ((u64)src_decimation * pll) >> 12;
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CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n",
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fin / 1000000, fin % 1000000);
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fsc = (((u64)sc) * pll) >> 24L;
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CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n",
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fsc / 1000000, fsc % 1000000);
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CX18_DEBUG_INFO("hblank %i, hactive %i, "
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"vblank %i , vactive %i, vblank656 %i, src_dec %i,"
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"burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x,"
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" sc 0x%06x\n",
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hblank, hactive, vblank, vactive, vblank656,
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src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
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}
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/* Sets horizontal blanking delay and active lines */
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cx18_av_write(cx, 0x470, hblank);
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cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) |
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(hactive << 4)));
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cx18_av_write(cx, 0x472, hactive >> 4);
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/* Sets burst gate delay */
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cx18_av_write(cx, 0x473, burst);
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/* Sets vertical blanking delay and active duration */
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cx18_av_write(cx, 0x474, vblank);
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cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) |
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(vactive << 4)));
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cx18_av_write(cx, 0x476, vactive >> 4);
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cx18_av_write(cx, 0x477, vblank656);
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/* Sets src decimation rate */
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cx18_av_write(cx, 0x478, 0xff & src_decimation);
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cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8));
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/* Sets Luma and UV Low pass filters */
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cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));
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/* Enables comb filters */
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cx18_av_write(cx, 0x47b, comb);
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/* Sets SC Step*/
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cx18_av_write(cx, 0x47c, sc);
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cx18_av_write(cx, 0x47d, 0xff & sc >> 8);
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cx18_av_write(cx, 0x47e, 0xff & sc >> 16);
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/* Sets VBI parameters */
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if (std & V4L2_STD_625_50) {
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cx18_av_write(cx, 0x47f, 0x01);
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state->vbi_line_offset = 5;
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} else {
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cx18_av_write(cx, 0x47f, 0x00);
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state->vbi_line_offset = 8;
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}
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}
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/* ----------------------------------------------------------------------- */
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static void input_change(struct cx18 *cx)
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{
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struct cx18_av_state *state = &cx->av_state;
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v4l2_std_id std = state->std;
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u8 v;
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/* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */
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cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
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cx18_av_and_or(cx, 0x401, ~0x60, 0);
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cx18_av_and_or(cx, 0x401, ~0x60, 0x60);
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if (std & V4L2_STD_525_60) {
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if (std == V4L2_STD_NTSC_M_JP) {
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/* Japan uses EIAJ audio standard */
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cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff);
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cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f);
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} else if (std == V4L2_STD_NTSC_M_KR) {
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/* South Korea uses A2 audio standard */
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cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff);
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cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
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} else {
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/* Others use the BTSC audio standard */
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cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff);
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cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f);
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}
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} else if (std & V4L2_STD_PAL) {
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/* Follow tuner change procedure for PAL */
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cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
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cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
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} else if (std & V4L2_STD_SECAM) {
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/* Select autodetect for SECAM */
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cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff);
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cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f);
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}
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v = cx18_av_read(cx, 0x803);
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if (v & 0x10) {
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/* restart audio decoder microcontroller */
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v &= ~0x10;
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cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
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v |= 0x10;
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cx18_av_write_expect(cx, 0x803, v, v, 0x1f);
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}
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}
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static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
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enum cx18_av_audio_input aud_input)
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{
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struct cx18_av_state *state = &cx->av_state;
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u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 &&
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vid_input <= CX18_AV_COMPOSITE8);
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u8 reg;
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u8 v;
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CX18_DEBUG_INFO("decoder set video input %d, audio input %d\n",
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vid_input, aud_input);
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if (is_composite) {
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reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1);
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} else {
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int luma = vid_input & 0xf0;
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int chroma = vid_input & 0xf00;
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if ((vid_input & ~0xff0) ||
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luma < CX18_AV_SVIDEO_LUMA1 ||
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luma > CX18_AV_SVIDEO_LUMA8 ||
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chroma < CX18_AV_SVIDEO_CHROMA4 ||
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chroma > CX18_AV_SVIDEO_CHROMA8) {
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CX18_ERR("0x%04x is not a valid video input!\n",
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vid_input);
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return -EINVAL;
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}
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reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4);
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if (chroma >= CX18_AV_SVIDEO_CHROMA7) {
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reg &= 0x3f;
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reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2;
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} else {
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reg &= 0xcf;
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reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4;
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}
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}
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switch (aud_input) {
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case CX18_AV_AUDIO_SERIAL1:
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case CX18_AV_AUDIO_SERIAL2:
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/* do nothing, use serial audio input */
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break;
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case CX18_AV_AUDIO4: reg &= ~0x30; break;
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case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
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case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
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case CX18_AV_AUDIO7: reg &= ~0xc0; break;
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case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
|
|
|
|
default:
|
|
CX18_ERR("0x%04x is not a valid audio input!\n", aud_input);
|
|
return -EINVAL;
|
|
}
|
|
|
|
cx18_av_write_expect(cx, 0x103, reg, reg, 0xf7);
|
|
/* Set INPUT_MODE to Composite (0) or S-Video (1) */
|
|
cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02);
|
|
|
|
/* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
|
|
v = cx18_av_read(cx, 0x102);
|
|
if (reg & 0x80)
|
|
v &= ~0x2;
|
|
else
|
|
v |= 0x2;
|
|
/* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
|
|
if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
|
|
v |= 0x4;
|
|
else
|
|
v &= ~0x4;
|
|
cx18_av_write_expect(cx, 0x102, v, v, 0x17);
|
|
|
|
/*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/
|
|
|
|
state->vid_input = vid_input;
|
|
state->aud_input = aud_input;
|
|
cx18_av_audio_set_path(cx);
|
|
input_change(cx);
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static int set_v4lstd(struct cx18 *cx)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
u8 fmt = 0; /* zero is autodetect */
|
|
u8 pal_m = 0;
|
|
|
|
/* 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("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 set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
|
|
{
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
if (ctrl->value < 0 || ctrl->value > 255) {
|
|
CX18_ERR("invalid brightness setting %d\n",
|
|
ctrl->value);
|
|
return -ERANGE;
|
|
}
|
|
|
|
cx18_av_write(cx, 0x414, ctrl->value - 128);
|
|
break;
|
|
|
|
case V4L2_CID_CONTRAST:
|
|
if (ctrl->value < 0 || ctrl->value > 127) {
|
|
CX18_ERR("invalid contrast setting %d\n",
|
|
ctrl->value);
|
|
return -ERANGE;
|
|
}
|
|
|
|
cx18_av_write(cx, 0x415, ctrl->value << 1);
|
|
break;
|
|
|
|
case V4L2_CID_SATURATION:
|
|
if (ctrl->value < 0 || ctrl->value > 127) {
|
|
CX18_ERR("invalid saturation setting %d\n",
|
|
ctrl->value);
|
|
return -ERANGE;
|
|
}
|
|
|
|
cx18_av_write(cx, 0x420, ctrl->value << 1);
|
|
cx18_av_write(cx, 0x421, ctrl->value << 1);
|
|
break;
|
|
|
|
case V4L2_CID_HUE:
|
|
if (ctrl->value < -127 || ctrl->value > 127) {
|
|
CX18_ERR("invalid hue setting %d\n", ctrl->value);
|
|
return -ERANGE;
|
|
}
|
|
|
|
cx18_av_write(cx, 0x422, ctrl->value);
|
|
break;
|
|
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
case V4L2_CID_AUDIO_BASS:
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl);
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
|
|
{
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128;
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
ctrl->value = cx18_av_read(cx, 0x415) >> 1;
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
ctrl->value = cx18_av_read(cx, 0x420) >> 1;
|
|
break;
|
|
case V4L2_CID_HUE:
|
|
ctrl->value = (s8)cx18_av_read(cx, 0x422);
|
|
break;
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
case V4L2_CID_AUDIO_BASS:
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
|
|
{
|
|
switch (fmt->type) {
|
|
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
|
|
return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
struct v4l2_pix_format *pix;
|
|
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
|
|
int is_50Hz = !(state->std & V4L2_STD_525_60);
|
|
|
|
switch (fmt->type) {
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
|
|
pix = &(fmt->fmt.pix);
|
|
|
|
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;
|
|
|
|
Vlines = pix->height + (is_50Hz ? 4 : 7);
|
|
|
|
if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
|
|
(Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
|
|
CX18_ERR("%dx%d is not a valid size!\n",
|
|
pix->width, pix->height);
|
|
return -ERANGE;
|
|
}
|
|
|
|
HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20);
|
|
VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
|
|
VSC &= 0x1fff;
|
|
|
|
if (pix->width >= 385)
|
|
filter = 0;
|
|
else if (pix->width > 192)
|
|
filter = 1;
|
|
else if (pix->width > 96)
|
|
filter = 2;
|
|
else
|
|
filter = 3;
|
|
|
|
CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n",
|
|
pix->width, pix->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);
|
|
break;
|
|
|
|
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
|
|
return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
|
|
|
|
case V4L2_BUF_TYPE_VBI_CAPTURE:
|
|
return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt);
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg)
|
|
{
|
|
struct cx18_av_state *state = &cx->av_state;
|
|
struct v4l2_tuner *vt = arg;
|
|
struct v4l2_routing *route = arg;
|
|
|
|
/* ignore these commands */
|
|
switch (cmd) {
|
|
case TUNER_SET_TYPE_ADDR:
|
|
return 0;
|
|
}
|
|
|
|
if (!state->is_initialized) {
|
|
CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd);
|
|
/* initialize on first use */
|
|
state->is_initialized = 1;
|
|
cx18_av_initialize(cx);
|
|
}
|
|
|
|
switch (cmd) {
|
|
case VIDIOC_INT_DECODE_VBI_LINE:
|
|
return cx18_av_vbi(cx, cmd, arg);
|
|
|
|
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
|
|
return cx18_av_audio(cx, cmd, arg);
|
|
|
|
case VIDIOC_STREAMON:
|
|
CX18_DEBUG_INFO("enable output\n");
|
|
cx18_av_write(cx, 0x115, 0x8c);
|
|
cx18_av_write(cx, 0x116, 0x07);
|
|
break;
|
|
|
|
case VIDIOC_STREAMOFF:
|
|
CX18_DEBUG_INFO("disable output\n");
|
|
cx18_av_write(cx, 0x115, 0x00);
|
|
cx18_av_write(cx, 0x116, 0x00);
|
|
break;
|
|
|
|
case VIDIOC_LOG_STATUS:
|
|
log_video_status(cx);
|
|
log_audio_status(cx);
|
|
break;
|
|
|
|
case VIDIOC_G_CTRL:
|
|
return get_v4lctrl(cx, (struct v4l2_control *)arg);
|
|
|
|
case VIDIOC_S_CTRL:
|
|
return set_v4lctrl(cx, (struct v4l2_control *)arg);
|
|
|
|
case VIDIOC_QUERYCTRL:
|
|
{
|
|
struct v4l2_queryctrl *qc = arg;
|
|
|
|
switch (qc->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
case V4L2_CID_CONTRAST:
|
|
case V4L2_CID_SATURATION:
|
|
case V4L2_CID_HUE:
|
|
return v4l2_ctrl_query_fill_std(qc);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (qc->id) {
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
return v4l2_ctrl_query_fill(qc, 0, 65535,
|
|
65535 / 100, state->default_volume);
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
case V4L2_CID_AUDIO_BASS:
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
return v4l2_ctrl_query_fill_std(qc);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
case VIDIOC_G_STD:
|
|
*(v4l2_std_id *)arg = state->std;
|
|
break;
|
|
|
|
case VIDIOC_S_STD:
|
|
if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
|
|
return 0;
|
|
state->radio = 0;
|
|
state->std = *(v4l2_std_id *)arg;
|
|
return set_v4lstd(cx);
|
|
|
|
case AUDC_SET_RADIO:
|
|
state->radio = 1;
|
|
break;
|
|
|
|
case VIDIOC_INT_G_VIDEO_ROUTING:
|
|
route->input = state->vid_input;
|
|
route->output = 0;
|
|
break;
|
|
|
|
case VIDIOC_INT_S_VIDEO_ROUTING:
|
|
return set_input(cx, route->input, state->aud_input);
|
|
|
|
case VIDIOC_INT_G_AUDIO_ROUTING:
|
|
route->input = state->aud_input;
|
|
route->output = 0;
|
|
break;
|
|
|
|
case VIDIOC_INT_S_AUDIO_ROUTING:
|
|
return set_input(cx, state->vid_input, route->input);
|
|
|
|
case VIDIOC_S_FREQUENCY:
|
|
input_change(cx);
|
|
break;
|
|
|
|
case VIDIOC_G_TUNER:
|
|
{
|
|
u8 vpres = cx18_av_read(cx, 0x40e) & 0x20;
|
|
u8 mode;
|
|
int val = 0;
|
|
|
|
if (state->radio)
|
|
break;
|
|
|
|
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;
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_S_TUNER:
|
|
{
|
|
u8 v;
|
|
|
|
if (state->radio)
|
|
break;
|
|
|
|
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;
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_G_FMT:
|
|
return get_v4lfmt(cx, (struct v4l2_format *)arg);
|
|
|
|
case VIDIOC_S_FMT:
|
|
return set_v4lfmt(cx, (struct v4l2_format *)arg);
|
|
|
|
case VIDIOC_INT_RESET:
|
|
cx18_av_initialize(cx);
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
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;
|
|
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("Video signal: %spresent\n",
|
|
(gen_stat2 & 0x20) ? "" : "not ");
|
|
CX18_INFO("Detected format: %s\n",
|
|
fmt_strs[gen_stat1 & 0xf]);
|
|
|
|
CX18_INFO("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("Specified video input: Composite %d\n",
|
|
vid_input - CX18_AV_COMPOSITE1 + 1);
|
|
} else {
|
|
CX18_INFO("Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
|
|
(vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
|
|
}
|
|
|
|
CX18_INFO("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;
|
|
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("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("Detected audio standard: %s\n", p);
|
|
CX18_INFO("Audio muted: %s\n",
|
|
(mute_ctl & 0x2) ? "yes" : "no");
|
|
CX18_INFO("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("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("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("Configured audio system: %s\n", p);
|
|
}
|
|
|
|
if (aud_input)
|
|
CX18_INFO("Specified audio input: Tuner (In%d)\n",
|
|
aud_input);
|
|
else
|
|
CX18_INFO("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("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("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("Selected 45 MHz format: %s\n", p);
|
|
}
|
|
}
|