/* * Auvitek AU8522 QAM/8VSB demodulator driver and video decoder * * Copyright (C) 2009 Devin Heitmueller * Copyright (C) 2005-2008 Auvitek International, Ltd. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * As published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ /* Developer notes: * * VBI support is not yet working * Enough is implemented here for CVBS and S-Video inputs, but the actual * analog demodulator code isn't implemented (not needed for xc5000 since it * has its own demodulator and outputs CVBS) * */ #include #include #include #include #include #include #include #include #include "au8522.h" #include "au8522_priv.h" MODULE_AUTHOR("Devin Heitmueller"); MODULE_LICENSE("GPL"); static int au8522_analog_debug; module_param_named(analog_debug, au8522_analog_debug, int, 0644); MODULE_PARM_DESC(analog_debug, "Analog debugging messages [0=Off (default) 1=On]"); struct au8522_register_config { u16 reg_name; u8 reg_val[8]; }; /* Video Decoder Filter Coefficients The values are as follows from left to right 0="ATV RF" 1="ATV RF13" 2="CVBS" 3="S-Video" 4="PAL" 5=CVBS13" 6="SVideo13" */ static const struct au8522_register_config filter_coef[] = { {AU8522_FILTER_COEF_R410, {0x25, 0x00, 0x25, 0x25, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R411, {0x20, 0x00, 0x20, 0x20, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R412, {0x03, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R413, {0xe6, 0x00, 0xe6, 0xe6, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R414, {0x40, 0x00, 0x40, 0x40, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R415, {0x1b, 0x00, 0x1b, 0x1b, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R416, {0xc0, 0x00, 0xc0, 0x04, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R417, {0x04, 0x00, 0x04, 0x04, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R418, {0x8c, 0x00, 0x8c, 0x8c, 0x00, 0x00, 0x00} }, {AU8522_FILTER_COEF_R419, {0xa0, 0x40, 0xa0, 0xa0, 0x40, 0x40, 0x40} }, {AU8522_FILTER_COEF_R41A, {0x21, 0x09, 0x21, 0x21, 0x09, 0x09, 0x09} }, {AU8522_FILTER_COEF_R41B, {0x6c, 0x38, 0x6c, 0x6c, 0x38, 0x38, 0x38} }, {AU8522_FILTER_COEF_R41C, {0x03, 0xff, 0x03, 0x03, 0xff, 0xff, 0xff} }, {AU8522_FILTER_COEF_R41D, {0xbf, 0xc7, 0xbf, 0xbf, 0xc7, 0xc7, 0xc7} }, {AU8522_FILTER_COEF_R41E, {0xa0, 0xdf, 0xa0, 0xa0, 0xdf, 0xdf, 0xdf} }, {AU8522_FILTER_COEF_R41F, {0x10, 0x06, 0x10, 0x10, 0x06, 0x06, 0x06} }, {AU8522_FILTER_COEF_R420, {0xae, 0x30, 0xae, 0xae, 0x30, 0x30, 0x30} }, {AU8522_FILTER_COEF_R421, {0xc4, 0x01, 0xc4, 0xc4, 0x01, 0x01, 0x01} }, {AU8522_FILTER_COEF_R422, {0x54, 0xdd, 0x54, 0x54, 0xdd, 0xdd, 0xdd} }, {AU8522_FILTER_COEF_R423, {0xd0, 0xaf, 0xd0, 0xd0, 0xaf, 0xaf, 0xaf} }, {AU8522_FILTER_COEF_R424, {0x1c, 0xf7, 0x1c, 0x1c, 0xf7, 0xf7, 0xf7} }, {AU8522_FILTER_COEF_R425, {0x76, 0xdb, 0x76, 0x76, 0xdb, 0xdb, 0xdb} }, {AU8522_FILTER_COEF_R426, {0x61, 0xc0, 0x61, 0x61, 0xc0, 0xc0, 0xc0} }, {AU8522_FILTER_COEF_R427, {0xd1, 0x2f, 0xd1, 0xd1, 0x2f, 0x2f, 0x2f} }, {AU8522_FILTER_COEF_R428, {0x84, 0xd8, 0x84, 0x84, 0xd8, 0xd8, 0xd8} }, {AU8522_FILTER_COEF_R429, {0x06, 0xfb, 0x06, 0x06, 0xfb, 0xfb, 0xfb} }, {AU8522_FILTER_COEF_R42A, {0x21, 0xd5, 0x21, 0x21, 0xd5, 0xd5, 0xd5} }, {AU8522_FILTER_COEF_R42B, {0x0a, 0x3e, 0x0a, 0x0a, 0x3e, 0x3e, 0x3e} }, {AU8522_FILTER_COEF_R42C, {0xe6, 0x15, 0xe6, 0xe6, 0x15, 0x15, 0x15} }, {AU8522_FILTER_COEF_R42D, {0x01, 0x34, 0x01, 0x01, 0x34, 0x34, 0x34} }, }; #define NUM_FILTER_COEF (sizeof(filter_coef)\ / sizeof(struct au8522_register_config)) /* Registers 0x060b through 0x0652 are the LP Filter coefficients The values are as follows from left to right 0="SIF" 1="ATVRF/ATVRF13" Note: the "ATVRF/ATVRF13" mode has never been tested */ static const struct au8522_register_config lpfilter_coef[] = { {0x060b, {0x21, 0x0b} }, {0x060c, {0xad, 0xad} }, {0x060d, {0x70, 0xf0} }, {0x060e, {0xea, 0xe9} }, {0x060f, {0xdd, 0xdd} }, {0x0610, {0x08, 0x64} }, {0x0611, {0x60, 0x60} }, {0x0612, {0xf8, 0xb2} }, {0x0613, {0x01, 0x02} }, {0x0614, {0xe4, 0xb4} }, {0x0615, {0x19, 0x02} }, {0x0616, {0xae, 0x2e} }, {0x0617, {0xee, 0xc5} }, {0x0618, {0x56, 0x56} }, {0x0619, {0x30, 0x58} }, {0x061a, {0xf9, 0xf8} }, {0x061b, {0x24, 0x64} }, {0x061c, {0x07, 0x07} }, {0x061d, {0x30, 0x30} }, {0x061e, {0xa9, 0xed} }, {0x061f, {0x09, 0x0b} }, {0x0620, {0x42, 0xc2} }, {0x0621, {0x1d, 0x2a} }, {0x0622, {0xd6, 0x56} }, {0x0623, {0x95, 0x8b} }, {0x0624, {0x2b, 0x2b} }, {0x0625, {0x30, 0x24} }, {0x0626, {0x3e, 0x3e} }, {0x0627, {0x62, 0xe2} }, {0x0628, {0xe9, 0xf5} }, {0x0629, {0x99, 0x19} }, {0x062a, {0xd4, 0x11} }, {0x062b, {0x03, 0x04} }, {0x062c, {0xb5, 0x85} }, {0x062d, {0x1e, 0x20} }, {0x062e, {0x2a, 0xea} }, {0x062f, {0xd7, 0xd2} }, {0x0630, {0x15, 0x15} }, {0x0631, {0xa3, 0xa9} }, {0x0632, {0x1f, 0x1f} }, {0x0633, {0xf9, 0xd1} }, {0x0634, {0xc0, 0xc3} }, {0x0635, {0x4d, 0x8d} }, {0x0636, {0x21, 0x31} }, {0x0637, {0x83, 0x83} }, {0x0638, {0x08, 0x8c} }, {0x0639, {0x19, 0x19} }, {0x063a, {0x45, 0xa5} }, {0x063b, {0xef, 0xec} }, {0x063c, {0x8a, 0x8a} }, {0x063d, {0xf4, 0xf6} }, {0x063e, {0x8f, 0x8f} }, {0x063f, {0x44, 0x0c} }, {0x0640, {0xef, 0xf0} }, {0x0641, {0x66, 0x66} }, {0x0642, {0xcc, 0xd2} }, {0x0643, {0x41, 0x41} }, {0x0644, {0x63, 0x93} }, {0x0645, {0x8e, 0x8e} }, {0x0646, {0xa2, 0x42} }, {0x0647, {0x7b, 0x7b} }, {0x0648, {0x04, 0x04} }, {0x0649, {0x00, 0x00} }, {0x064a, {0x40, 0x40} }, {0x064b, {0x8c, 0x98} }, {0x064c, {0x00, 0x00} }, {0x064d, {0x63, 0xc3} }, {0x064e, {0x04, 0x04} }, {0x064f, {0x20, 0x20} }, {0x0650, {0x00, 0x00} }, {0x0651, {0x40, 0x40} }, {0x0652, {0x01, 0x01} }, }; #define NUM_LPFILTER_COEF (sizeof(lpfilter_coef)\ / sizeof(struct au8522_register_config)) static inline struct au8522_state *to_state(struct v4l2_subdev *sd) { return container_of(sd, struct au8522_state, sd); } static void setup_vbi(struct au8522_state *state, int aud_input) { int i; /* These are set to zero regardless of what mode we're in */ au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_H_REG017H, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_L_REG018H, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_TOTAL_BITS_REG019H, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_TUNIT_H_REG01AH, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_TUNIT_L_REG01BH, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_THRESH1_REG01CH, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT2_REG01EH, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT1_REG01FH, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_PAT0_REG020H, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK2_REG021H, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK1_REG022H, 0x00); au8522_writereg(state, AU8522_TVDEC_VBI_USER_FRAME_MASK0_REG023H, 0x00); /* Setup the VBI registers */ for (i = 0x30; i < 0x60; i++) au8522_writereg(state, i, 0x40); /* For some reason, every register is 0x40 except register 0x44 (confirmed via the HVR-950q USB capture) */ au8522_writereg(state, 0x44, 0x60); /* Enable VBI (we always do this regardless of whether the user is viewing closed caption info) */ au8522_writereg(state, AU8522_TVDEC_VBI_CTRL_H_REG017H, AU8522_TVDEC_VBI_CTRL_H_REG017H_CCON); } static void setup_decoder_defaults(struct au8522_state *state, u8 input_mode) { int i; int filter_coef_type; /* Provide reasonable defaults for picture tuning values */ au8522_writereg(state, AU8522_TVDEC_SHARPNESSREG009H, 0x07); au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, 0xed); au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, 0x79); au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, 0x80); au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, 0x80); au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, 0x00); au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, 0x00); /* Other decoder registers */ au8522_writereg(state, AU8522_TVDEC_INT_MASK_REG010H, 0x00); if (input_mode == 0x23) { /* S-Video input mapping */ au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x04); } else { /* All other modes (CVBS/ATVRF etc.) */ au8522_writereg(state, AU8522_VIDEO_MODE_REG011H, 0x00); } au8522_writereg(state, AU8522_TVDEC_PGA_REG012H, AU8522_TVDEC_PGA_REG012H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_MODE_REG015H, AU8522_TVDEC_COMB_MODE_REG015H_CVBS); au8522_writereg(state, AU8522_TVDED_DBG_MODE_REG060H, AU8522_TVDED_DBG_MODE_REG060H_CVBS); au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN); au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC); au8522_writereg(state, AU8522_TVDEC_VCR_DET_LLIM_REG063H, AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS); au8522_writereg(state, AU8522_TVDEC_VCR_DET_HLIM_REG064H, AU8522_TVDEC_VCR_DET_HLIM_REG064H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR1_REG065H, AU8522_TVDEC_COMB_VDIF_THR1_REG065H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR2_REG066H, AU8522_TVDEC_COMB_VDIF_THR2_REG066H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_VDIF_THR3_REG067H, AU8522_TVDEC_COMB_VDIF_THR3_REG067H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_NOTCH_THR_REG068H, AU8522_TVDEC_COMB_NOTCH_THR_REG068H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR1_REG069H, AU8522_TVDEC_COMB_HDIF_THR1_REG069H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR2_REG06AH, AU8522_TVDEC_COMB_HDIF_THR2_REG06AH_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR3_REG06BH, AU8522_TVDEC_COMB_HDIF_THR3_REG06BH_CVBS); if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 || input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) { au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_SVIDEO); au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_SVIDEO); } else { au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS); } au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH, AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH_CVBS); au8522_writereg(state, AU8522_TVDEC_UV_SEP_THR_REG06FH, AU8522_TVDEC_UV_SEP_THR_REG06FH_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H, AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H_CVBS); au8522_writereg(state, AU8522_REG071H, AU8522_REG071H_CVBS); au8522_writereg(state, AU8522_REG072H, AU8522_REG072H_CVBS); au8522_writereg(state, AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H, AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H_CVBS); au8522_writereg(state, AU8522_REG074H, AU8522_REG074H_CVBS); au8522_writereg(state, AU8522_REG075H, AU8522_REG075H_CVBS); au8522_writereg(state, AU8522_TVDEC_DCAGC_CTRL_REG077H, AU8522_TVDEC_DCAGC_CTRL_REG077H_CVBS); au8522_writereg(state, AU8522_TVDEC_PIC_START_ADJ_REG078H, AU8522_TVDEC_PIC_START_ADJ_REG078H_CVBS); au8522_writereg(state, AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H, AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H_CVBS); au8522_writereg(state, AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH, AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH_CVBS); au8522_writereg(state, AU8522_TVDEC_INTRP_CTRL_REG07BH, AU8522_TVDEC_INTRP_CTRL_REG07BH_CVBS); au8522_writereg(state, AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H, AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H_CVBS); au8522_writereg(state, AU8522_TOREGAAGC_REG0E5H, AU8522_TOREGAAGC_REG0E5H_CVBS); au8522_writereg(state, AU8522_REG016H, AU8522_REG016H_CVBS); setup_vbi(state, 0); if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 || input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) { /* Despite what the table says, for the HVR-950q we still need to be in CVBS mode for the S-Video input (reason unknown). */ /* filter_coef_type = 3; */ filter_coef_type = 5; } else { filter_coef_type = 5; } /* Load the Video Decoder Filter Coefficients */ for (i = 0; i < NUM_FILTER_COEF; i++) { au8522_writereg(state, filter_coef[i].reg_name, filter_coef[i].reg_val[filter_coef_type]); } /* It's not clear what these registers are for, but they are always set to the same value regardless of what mode we're in */ au8522_writereg(state, AU8522_REG42EH, 0x87); au8522_writereg(state, AU8522_REG42FH, 0xa2); au8522_writereg(state, AU8522_REG430H, 0xbf); au8522_writereg(state, AU8522_REG431H, 0xcb); au8522_writereg(state, AU8522_REG432H, 0xa1); au8522_writereg(state, AU8522_REG433H, 0x41); au8522_writereg(state, AU8522_REG434H, 0x88); au8522_writereg(state, AU8522_REG435H, 0xc2); au8522_writereg(state, AU8522_REG436H, 0x3c); } static void au8522_setup_cvbs_mode(struct au8522_state *state) { /* here we're going to try the pre-programmed route */ au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS); /* PGA in automatic mode */ au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); /* Enable clamping control */ au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00); au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, AU8522_INPUT_CONTROL_REG081H_CVBS_CH1); setup_decoder_defaults(state, AU8522_INPUT_CONTROL_REG081H_CVBS_CH1); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); } static void au8522_setup_cvbs_tuner_mode(struct au8522_state *state) { /* here we're going to try the pre-programmed route */ au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS); /* It's not clear why we have to have the PGA in automatic mode while enabling clamp control, but it's what Windows does */ au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); /* Enable clamping control */ au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e); /* Disable automatic PGA (since the CVBS is coming from the tuner) */ au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x10); /* Set input mode to CVBS on channel 4 with SIF audio input enabled */ au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF); setup_decoder_defaults(state, AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); } static void au8522_setup_svideo_mode(struct au8522_state *state) { au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H, AU8522_MODULE_CLOCK_CONTROL_REG0A3H_SVIDEO); /* Set input to Y on Channe1, C on Channel 3 */ au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H, AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13); /* PGA in automatic mode */ au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00); /* Enable clamping control */ au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00); setup_decoder_defaults(state, AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); } /* ----------------------------------------------------------------------- */ static void disable_audio_input(struct au8522_state *state) { au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00); au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00); au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x04); au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0x02); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO); } /* 0=disable, 1=SIF */ static void set_audio_input(struct au8522_state *state, int aud_input) { int i; /* Note that this function needs to be used in conjunction with setting the input routing via register 0x81 */ if (aud_input == AU8522_AUDIO_NONE) { disable_audio_input(state); return; } if (aud_input != AU8522_AUDIO_SIF) { /* The caller asked for a mode we don't currently support */ printk(KERN_ERR "Unsupported audio mode requested! mode=%d\n", aud_input); return; } /* Load the Audio Decoder Filter Coefficients */ for (i = 0; i < NUM_LPFILTER_COEF; i++) { au8522_writereg(state, lpfilter_coef[i].reg_name, lpfilter_coef[i].reg_val[0]); } /* Setup audio */ au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00); au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00); au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00); au8522_writereg(state, AU8522_I2C_CONTROL_REG1_REG091H, 0x80); au8522_writereg(state, AU8522_I2C_CONTROL_REG0_REG090H, 0x84); msleep(150); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x00); msleep(1); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x9d); msleep(50); au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F); au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F); au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0xff); msleep(80); au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F); au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F); au8522_writereg(state, AU8522_REG0F9H, AU8522_REG0F9H_AUDIO); au8522_writereg(state, AU8522_AUDIO_MODE_REG0F1H, 0x82); msleep(70); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x09); au8522_writereg(state, AU8522_AUDIOFREQ_REG606H, 0x03); au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0xc2); } /* ----------------------------------------------------------------------- */ static int au8522_s_ctrl(struct v4l2_ctrl *ctrl) { struct au8522_state *state = container_of(ctrl->handler, struct au8522_state, hdl); switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, ctrl->val - 128); break; case V4L2_CID_CONTRAST: au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, ctrl->val); break; case V4L2_CID_SATURATION: au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, ctrl->val); au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, ctrl->val); break; case V4L2_CID_HUE: au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, ctrl->val >> 8); au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, ctrl->val & 0xFF); break; default: return -EINVAL; } return 0; } /* ----------------------------------------------------------------------- */ #ifdef CONFIG_VIDEO_ADV_DEBUG static int au8522_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct au8522_state *state = to_state(sd); if (!v4l2_chip_match_i2c_client(client, ®->match)) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EPERM; reg->val = au8522_readreg(state, reg->reg & 0xffff); return 0; } static int au8522_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct au8522_state *state = to_state(sd); if (!v4l2_chip_match_i2c_client(client, ®->match)) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EPERM; au8522_writereg(state, reg->reg, reg->val & 0xff); return 0; } #endif static int au8522_s_stream(struct v4l2_subdev *sd, int enable) { struct au8522_state *state = to_state(sd); if (enable) { au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 0x01); msleep(1); au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS); } else { /* This does not completely power down the device (it only reduces it from around 140ma to 80ma) */ au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H, 1 << 5); } return 0; } static int au8522_reset(struct v4l2_subdev *sd, u32 val) { struct au8522_state *state = to_state(sd); state->operational_mode = AU8522_ANALOG_MODE; /* Clear out any state associated with the digital side of the chip, so that when it gets powered back up it won't think that it is already tuned */ state->current_frequency = 0; au8522_writereg(state, 0xa4, 1 << 5); return 0; } static int au8522_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { struct au8522_state *state = to_state(sd); au8522_reset(sd, 0); if (input == AU8522_COMPOSITE_CH1) { au8522_setup_cvbs_mode(state); } else if (input == AU8522_SVIDEO_CH13) { au8522_setup_svideo_mode(state); } else if (input == AU8522_COMPOSITE_CH4_SIF) { au8522_setup_cvbs_tuner_mode(state); } else { printk(KERN_ERR "au8522 mode not currently supported\n"); return -EINVAL; } return 0; } static int au8522_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { struct au8522_state *state = to_state(sd); set_audio_input(state, input); return 0; } static int au8522_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) { int val = 0; struct au8522_state *state = to_state(sd); u8 lock_status; /* Interrogate the decoder to see if we are getting a real signal */ lock_status = au8522_readreg(state, 0x00); if (lock_status == 0xa2) vt->signal = 0xffff; else vt->signal = 0x00; vt->capability |= V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; val = V4L2_TUNER_SUB_MONO; vt->rxsubchans = val; vt->audmode = V4L2_TUNER_MODE_STEREO; return 0; } static int au8522_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) { struct au8522_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); return v4l2_chip_ident_i2c_client(client, chip, state->id, state->rev); } /* ----------------------------------------------------------------------- */ static const struct v4l2_subdev_core_ops au8522_core_ops = { .log_status = v4l2_ctrl_subdev_log_status, .g_chip_ident = au8522_g_chip_ident, .reset = au8522_reset, #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = au8522_g_register, .s_register = au8522_s_register, #endif }; static const struct v4l2_subdev_tuner_ops au8522_tuner_ops = { .g_tuner = au8522_g_tuner, }; static const struct v4l2_subdev_audio_ops au8522_audio_ops = { .s_routing = au8522_s_audio_routing, }; static const struct v4l2_subdev_video_ops au8522_video_ops = { .s_routing = au8522_s_video_routing, .s_stream = au8522_s_stream, }; static const struct v4l2_subdev_ops au8522_ops = { .core = &au8522_core_ops, .tuner = &au8522_tuner_ops, .audio = &au8522_audio_ops, .video = &au8522_video_ops, }; static const struct v4l2_ctrl_ops au8522_ctrl_ops = { .s_ctrl = au8522_s_ctrl, }; /* ----------------------------------------------------------------------- */ static int au8522_probe(struct i2c_client *client, const struct i2c_device_id *did) { struct au8522_state *state; struct v4l2_ctrl_handler *hdl; struct v4l2_subdev *sd; int instance; struct au8522_config *demod_config; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { return -EIO; } /* allocate memory for the internal state */ instance = au8522_get_state(&state, client->adapter, client->addr); switch (instance) { case 0: printk(KERN_ERR "au8522_decoder allocation failed\n"); return -EIO; case 1: /* new demod instance */ printk(KERN_INFO "au8522_decoder creating new instance...\n"); break; default: /* existing demod instance */ printk(KERN_INFO "au8522_decoder attach existing instance.\n"); break; } demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL); if (demod_config == NULL) { if (instance == 1) kfree(state); return -ENOMEM; } demod_config->demod_address = 0x8e >> 1; state->config = demod_config; state->i2c = client->adapter; sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &au8522_ops); hdl = &state->hdl; v4l2_ctrl_handler_init(hdl, 4); v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, V4L2_CID_BRIGHTNESS, 0, 255, 1, 109); v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, V4L2_CID_CONTRAST, 0, 255, 1, AU8522_TVDEC_CONTRAST_REG00BH_CVBS); v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, V4L2_CID_SATURATION, 0, 255, 1, 128); v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops, V4L2_CID_HUE, -32768, 32767, 1, 0); sd->ctrl_handler = hdl; if (hdl->error) { int err = hdl->error; v4l2_ctrl_handler_free(hdl); kfree(demod_config); kfree(state); return err; } state->c = client; state->vid_input = AU8522_COMPOSITE_CH1; state->aud_input = AU8522_AUDIO_NONE; state->id = 8522; state->rev = 0; /* Jam open the i2c gate to the tuner */ au8522_writereg(state, 0x106, 1); return 0; } static int au8522_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); au8522_release_state(to_state(sd)); return 0; } static const struct i2c_device_id au8522_id[] = { {"au8522", 0}, {} }; MODULE_DEVICE_TABLE(i2c, au8522_id); static struct i2c_driver au8522_driver = { .driver = { .owner = THIS_MODULE, .name = "au8522", }, .probe = au8522_probe, .remove = au8522_remove, .id_table = au8522_id, }; module_i2c_driver(au8522_driver);