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-rw-r--r--drivers/media/i2c/saa7115.c1728
1 files changed, 1728 insertions, 0 deletions
diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c
new file mode 100644
index 00000000000..6b6788cd08f
--- /dev/null
+++ b/drivers/media/i2c/saa7115.c
@@ -0,0 +1,1728 @@
+/* saa711x - Philips SAA711x video decoder driver
+ * This driver can work with saa7111, saa7111a, saa7113, saa7114,
+ * saa7115 and saa7118.
+ *
+ * Based on saa7114 driver by Maxim Yevtyushkin, which is based on
+ * the saa7111 driver by Dave Perks.
+ *
+ * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
+ * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com>
+ *
+ * Slight changes for video timing and attachment output by
+ * Wolfgang Scherr <scherr@net4you.net>
+ *
+ * Moved over to the linux >= 2.4.x i2c protocol (1/1/2003)
+ * by Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * Added saa7115 support by Kevin Thayer <nufan_wfk at yahoo.com>
+ * (2/17/2003)
+ *
+ * VBI support (2004) and cleanups (2005) by Hans Verkuil <hverkuil@xs4all.nl>
+ *
+ * Copyright (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
+ * SAA7111, SAA7113 and SAA7118 support
+ *
+ * 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.
+ */
+
+#include "saa711x_regs.h"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/saa7115.h>
+#include <asm/div64.h>
+
+#define VRES_60HZ (480+16)
+
+MODULE_DESCRIPTION("Philips SAA7111/SAA7113/SAA7114/SAA7115/SAA7118 video decoder driver");
+MODULE_AUTHOR( "Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, "
+ "Hans Verkuil, Mauro Carvalho Chehab");
+MODULE_LICENSE("GPL");
+
+static bool debug;
+module_param(debug, bool, 0644);
+
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
+
+
+struct saa711x_state {
+ struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler hdl;
+
+ struct {
+ /* chroma gain control cluster */
+ struct v4l2_ctrl *agc;
+ struct v4l2_ctrl *gain;
+ };
+
+ v4l2_std_id std;
+ int input;
+ int output;
+ int enable;
+ int radio;
+ int width;
+ int height;
+ u32 ident;
+ u32 audclk_freq;
+ u32 crystal_freq;
+ u8 ucgc;
+ u8 cgcdiv;
+ u8 apll;
+};
+
+static inline struct saa711x_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct saa711x_state, sd);
+}
+
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+ return &container_of(ctrl->handler, struct saa711x_state, hdl)->sd;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static inline int saa711x_write(struct v4l2_subdev *sd, u8 reg, u8 value)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/* Sanity routine to check if a register is present */
+static int saa711x_has_reg(const int id, const u8 reg)
+{
+ if (id == V4L2_IDENT_SAA7111)
+ return reg < 0x20 && reg != 0x01 && reg != 0x0f &&
+ (reg < 0x13 || reg > 0x19) && reg != 0x1d && reg != 0x1e;
+ if (id == V4L2_IDENT_SAA7111A)
+ return reg < 0x20 && reg != 0x01 && reg != 0x0f &&
+ reg != 0x14 && reg != 0x18 && reg != 0x19 &&
+ reg != 0x1d && reg != 0x1e;
+
+ /* common for saa7113/4/5/8 */
+ if (unlikely((reg >= 0x3b && reg <= 0x3f) || reg == 0x5c || reg == 0x5f ||
+ reg == 0xa3 || reg == 0xa7 || reg == 0xab || reg == 0xaf || (reg >= 0xb5 && reg <= 0xb7) ||
+ reg == 0xd3 || reg == 0xd7 || reg == 0xdb || reg == 0xdf || (reg >= 0xe5 && reg <= 0xe7) ||
+ reg == 0x82 || (reg >= 0x89 && reg <= 0x8e)))
+ return 0;
+
+ switch (id) {
+ case V4L2_IDENT_SAA7113:
+ return reg != 0x14 && (reg < 0x18 || reg > 0x1e) && (reg < 0x20 || reg > 0x3f) &&
+ reg != 0x5d && reg < 0x63;
+ case V4L2_IDENT_SAA7114:
+ return (reg < 0x1a || reg > 0x1e) && (reg < 0x20 || reg > 0x2f) &&
+ (reg < 0x63 || reg > 0x7f) && reg != 0x33 && reg != 0x37 &&
+ reg != 0x81 && reg < 0xf0;
+ case V4L2_IDENT_SAA7115:
+ return (reg < 0x20 || reg > 0x2f) && reg != 0x65 && (reg < 0xfc || reg > 0xfe);
+ case V4L2_IDENT_SAA7118:
+ return (reg < 0x1a || reg > 0x1d) && (reg < 0x20 || reg > 0x22) &&
+ (reg < 0x26 || reg > 0x28) && reg != 0x33 && reg != 0x37 &&
+ (reg < 0x63 || reg > 0x7f) && reg != 0x81 && reg < 0xf0;
+ }
+ return 1;
+}
+
+static int saa711x_writeregs(struct v4l2_subdev *sd, const unsigned char *regs)
+{
+ struct saa711x_state *state = to_state(sd);
+ unsigned char reg, data;
+
+ while (*regs != 0x00) {
+ reg = *(regs++);
+ data = *(regs++);
+
+ /* According with datasheets, reserved regs should be
+ filled with 0 - seems better not to touch on they */
+ if (saa711x_has_reg(state->ident, reg)) {
+ if (saa711x_write(sd, reg, data) < 0)
+ return -1;
+ } else {
+ v4l2_dbg(1, debug, sd, "tried to access reserved reg 0x%02x\n", reg);
+ }
+ }
+ return 0;
+}
+
+static inline int saa711x_read(struct v4l2_subdev *sd, u8 reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+/* ----------------------------------------------------------------------- */
+
+/* SAA7111 initialization table */
+static const unsigned char saa7111_init[] = {
+ R_01_INC_DELAY, 0x00, /* reserved */
+
+ /*front end */
+ R_02_INPUT_CNTL_1, 0xd0, /* FUSE=3, GUDL=2, MODE=0 */
+ R_03_INPUT_CNTL_2, 0x23, /* HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0,
+ * GAFIX=0, GAI1=256, GAI2=256 */
+ R_04_INPUT_CNTL_3, 0x00, /* GAI1=256 */
+ R_05_INPUT_CNTL_4, 0x00, /* GAI2=256 */
+
+ /* decoder */
+ R_06_H_SYNC_START, 0xf3, /* HSB at 13(50Hz) / 17(60Hz)
+ * pixels after end of last line */
+ R_07_H_SYNC_STOP, 0xe8, /* HSS seems to be needed to
+ * work with NTSC, too */
+ R_08_SYNC_CNTL, 0xc8, /* AUFD=1, FSEL=1, EXFIL=0,
+ * VTRC=1, HPLL=0, VNOI=0 */
+ R_09_LUMA_CNTL, 0x01, /* BYPS=0, PREF=0, BPSS=0,
+ * VBLB=0, UPTCV=0, APER=1 */
+ R_0A_LUMA_BRIGHT_CNTL, 0x80,
+ R_0B_LUMA_CONTRAST_CNTL, 0x47, /* 0b - CONT=1.109 */
+ R_0C_CHROMA_SAT_CNTL, 0x40,
+ R_0D_CHROMA_HUE_CNTL, 0x00,
+ R_0E_CHROMA_CNTL_1, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0,
+ * FCTC=0, CHBW=1 */
+ R_0F_CHROMA_GAIN_CNTL, 0x00, /* reserved */
+ R_10_CHROMA_CNTL_2, 0x48, /* 10 - OFTS=1, HDEL=0, VRLN=1, YDEL=0 */
+ R_11_MODE_DELAY_CNTL, 0x1c, /* 11 - GPSW=0, CM99=0, FECO=0, COMPO=1,
+ * OEYC=1, OEHV=1, VIPB=0, COLO=0 */
+ R_12_RT_SIGNAL_CNTL, 0x00, /* 12 - output control 2 */
+ R_13_RT_X_PORT_OUT_CNTL, 0x00, /* 13 - output control 3 */
+ R_14_ANAL_ADC_COMPAT_CNTL, 0x00,
+ R_15_VGATE_START_FID_CHG, 0x00,
+ R_16_VGATE_STOP, 0x00,
+ R_17_MISC_VGATE_CONF_AND_MSB, 0x00,
+
+ 0x00, 0x00
+};
+
+/* SAA7113 init codes */
+static const unsigned char saa7113_init[] = {
+ R_01_INC_DELAY, 0x08,
+ R_02_INPUT_CNTL_1, 0xc2,
+ R_03_INPUT_CNTL_2, 0x30,
+ R_04_INPUT_CNTL_3, 0x00,
+ R_05_INPUT_CNTL_4, 0x00,
+ R_06_H_SYNC_START, 0x89,
+ R_07_H_SYNC_STOP, 0x0d,
+ R_08_SYNC_CNTL, 0x88,
+ R_09_LUMA_CNTL, 0x01,
+ R_0A_LUMA_BRIGHT_CNTL, 0x80,
+ R_0B_LUMA_CONTRAST_CNTL, 0x47,
+ R_0C_CHROMA_SAT_CNTL, 0x40,
+ R_0D_CHROMA_HUE_CNTL, 0x00,
+ R_0E_CHROMA_CNTL_1, 0x01,
+ R_0F_CHROMA_GAIN_CNTL, 0x2a,
+ R_10_CHROMA_CNTL_2, 0x08,
+ R_11_MODE_DELAY_CNTL, 0x0c,
+ R_12_RT_SIGNAL_CNTL, 0x07,
+ R_13_RT_X_PORT_OUT_CNTL, 0x00,
+ R_14_ANAL_ADC_COMPAT_CNTL, 0x00,
+ R_15_VGATE_START_FID_CHG, 0x00,
+ R_16_VGATE_STOP, 0x00,
+ R_17_MISC_VGATE_CONF_AND_MSB, 0x00,
+
+ 0x00, 0x00
+};
+
+/* If a value differs from the Hauppauge driver values, then the comment starts with
+ 'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the
+ Hauppauge driver sets. */
+
+/* SAA7114 and SAA7115 initialization table */
+static const unsigned char saa7115_init_auto_input[] = {
+ /* Front-End Part */
+ R_01_INC_DELAY, 0x48, /* white peak control disabled */
+ R_03_INPUT_CNTL_2, 0x20, /* was 0x30. 0x20: long vertical blanking */
+ R_04_INPUT_CNTL_3, 0x90, /* analog gain set to 0 */
+ R_05_INPUT_CNTL_4, 0x90, /* analog gain set to 0 */
+ /* Decoder Part */
+ R_06_H_SYNC_START, 0xeb, /* horiz sync begin = -21 */
+ R_07_H_SYNC_STOP, 0xe0, /* horiz sync stop = -17 */
+ R_09_LUMA_CNTL, 0x53, /* 0x53, was 0x56 for 60hz. luminance control */
+ R_0A_LUMA_BRIGHT_CNTL, 0x80, /* was 0x88. decoder brightness, 0x80 is itu standard */
+ R_0B_LUMA_CONTRAST_CNTL, 0x44, /* was 0x48. decoder contrast, 0x44 is itu standard */
+ R_0C_CHROMA_SAT_CNTL, 0x40, /* was 0x47. decoder saturation, 0x40 is itu standard */
+ R_0D_CHROMA_HUE_CNTL, 0x00,
+ R_0F_CHROMA_GAIN_CNTL, 0x00, /* use automatic gain */
+ R_10_CHROMA_CNTL_2, 0x06, /* chroma: active adaptive combfilter */
+ R_11_MODE_DELAY_CNTL, 0x00,
+ R_12_RT_SIGNAL_CNTL, 0x9d, /* RTS0 output control: VGATE */
+ R_13_RT_X_PORT_OUT_CNTL, 0x80, /* ITU656 standard mode, RTCO output enable RTCE */
+ R_14_ANAL_ADC_COMPAT_CNTL, 0x00,
+ R_18_RAW_DATA_GAIN_CNTL, 0x40, /* gain 0x00 = nominal */
+ R_19_RAW_DATA_OFF_CNTL, 0x80,
+ R_1A_COLOR_KILL_LVL_CNTL, 0x77, /* recommended value */
+ R_1B_MISC_TVVCRDET, 0x42, /* recommended value */
+ R_1C_ENHAN_COMB_CTRL1, 0xa9, /* recommended value */
+ R_1D_ENHAN_COMB_CTRL2, 0x01, /* recommended value */
+
+
+ R_80_GLOBAL_CNTL_1, 0x0, /* No tasks enabled at init */
+
+ /* Power Device Control */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset device */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* set device programmed, all in operational mode */
+ 0x00, 0x00
+};
+
+/* Used to reset saa7113, saa7114 and saa7115 */
+static const unsigned char saa7115_cfg_reset_scaler[] = {
+ R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x00, /* disable I-port output */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* activate scaler */
+ R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, /* enable I-port output */
+ 0x00, 0x00
+};
+
+/* ============== SAA7715 VIDEO templates ============= */
+
+static const unsigned char saa7115_cfg_60hz_video[] = {
+ R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
+
+ R_15_VGATE_START_FID_CHG, 0x03,
+ R_16_VGATE_STOP, 0x11,
+ R_17_MISC_VGATE_CONF_AND_MSB, 0x9c,
+
+ R_08_SYNC_CNTL, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */
+ R_0E_CHROMA_CNTL_1, 0x07, /* video autodetection is on */
+
+ R_5A_V_OFF_FOR_SLICER, 0x06, /* standard 60hz value for ITU656 line counting */
+
+ /* Task A */
+ R_90_A_TASK_HANDLING_CNTL, 0x80,
+ R_91_A_X_PORT_FORMATS_AND_CONF, 0x48,
+ R_92_A_X_PORT_INPUT_REFERENCE_SIGNAL, 0x40,
+ R_93_A_I_PORT_OUTPUT_FORMATS_AND_CONF, 0x84,
+
+ /* hoffset low (input), 0x0002 is minimum */
+ R_94_A_HORIZ_INPUT_WINDOW_START, 0x01,
+ R_95_A_HORIZ_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* hsize low (input), 0x02d0 = 720 */
+ R_96_A_HORIZ_INPUT_WINDOW_LENGTH, 0xd0,
+ R_97_A_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02,
+
+ R_98_A_VERT_INPUT_WINDOW_START, 0x05,
+ R_99_A_VERT_INPUT_WINDOW_START_MSB, 0x00,
+
+ R_9A_A_VERT_INPUT_WINDOW_LENGTH, 0x0c,
+ R_9B_A_VERT_INPUT_WINDOW_LENGTH_MSB, 0x00,
+
+ R_9C_A_HORIZ_OUTPUT_WINDOW_LENGTH, 0xa0,
+ R_9D_A_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x05,
+
+ R_9E_A_VERT_OUTPUT_WINDOW_LENGTH, 0x0c,
+ R_9F_A_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x00,
+
+ /* Task B */
+ R_C0_B_TASK_HANDLING_CNTL, 0x00,
+ R_C1_B_X_PORT_FORMATS_AND_CONF, 0x08,
+ R_C2_B_INPUT_REFERENCE_SIGNAL_DEFINITION, 0x00,
+ R_C3_B_I_PORT_FORMATS_AND_CONF, 0x80,
+
+ /* 0x0002 is minimum */
+ R_C4_B_HORIZ_INPUT_WINDOW_START, 0x02,
+ R_C5_B_HORIZ_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* 0x02d0 = 720 */
+ R_C6_B_HORIZ_INPUT_WINDOW_LENGTH, 0xd0,
+ R_C7_B_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02,
+
+ /* vwindow start 0x12 = 18 */
+ R_C8_B_VERT_INPUT_WINDOW_START, 0x12,
+ R_C9_B_VERT_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* vwindow length 0xf8 = 248 */
+ R_CA_B_VERT_INPUT_WINDOW_LENGTH, VRES_60HZ>>1,
+ R_CB_B_VERT_INPUT_WINDOW_LENGTH_MSB, VRES_60HZ>>9,
+
+ /* hwindow 0x02d0 = 720 */
+ R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
+ R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02,
+
+ R_F0_LFCO_PER_LINE, 0xad, /* Set PLL Register. 60hz 525 lines per frame, 27 MHz */
+ R_F1_P_I_PARAM_SELECT, 0x05, /* low bit with 0xF0 */
+ R_F5_PULSGEN_LINE_LENGTH, 0xad,
+ R_F6_PULSE_A_POS_LSB_AND_PULSEGEN_CONFIG, 0x01,
+
+ 0x00, 0x00
+};
+
+static const unsigned char saa7115_cfg_50hz_video[] = {
+ R_80_GLOBAL_CNTL_1, 0x00,
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
+
+ R_15_VGATE_START_FID_CHG, 0x37, /* VGATE start */
+ R_16_VGATE_STOP, 0x16,
+ R_17_MISC_VGATE_CONF_AND_MSB, 0x99,
+
+ R_08_SYNC_CNTL, 0x28, /* 0x28 = PAL */
+ R_0E_CHROMA_CNTL_1, 0x07,
+
+ R_5A_V_OFF_FOR_SLICER, 0x03, /* standard 50hz value */
+
+ /* Task A */
+ R_90_A_TASK_HANDLING_CNTL, 0x81,
+ R_91_A_X_PORT_FORMATS_AND_CONF, 0x48,
+ R_92_A_X_PORT_INPUT_REFERENCE_SIGNAL, 0x40,
+ R_93_A_I_PORT_OUTPUT_FORMATS_AND_CONF, 0x84,
+
+ /* This is weird: the datasheet says that you should use 2 as the minimum value, */
+ /* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */
+ /* hoffset low (input), 0x0002 is minimum */
+ R_94_A_HORIZ_INPUT_WINDOW_START, 0x00,
+ R_95_A_HORIZ_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* hsize low (input), 0x02d0 = 720 */
+ R_96_A_HORIZ_INPUT_WINDOW_LENGTH, 0xd0,
+ R_97_A_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02,
+
+ R_98_A_VERT_INPUT_WINDOW_START, 0x03,
+ R_99_A_VERT_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* vsize 0x12 = 18 */
+ R_9A_A_VERT_INPUT_WINDOW_LENGTH, 0x12,
+ R_9B_A_VERT_INPUT_WINDOW_LENGTH_MSB, 0x00,
+
+ /* hsize 0x05a0 = 1440 */
+ R_9C_A_HORIZ_OUTPUT_WINDOW_LENGTH, 0xa0,
+ R_9D_A_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x05, /* hsize hi (output) */
+ R_9E_A_VERT_OUTPUT_WINDOW_LENGTH, 0x12, /* vsize low (output), 0x12 = 18 */
+ R_9F_A_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x00, /* vsize hi (output) */
+
+ /* Task B */
+ R_C0_B_TASK_HANDLING_CNTL, 0x00,
+ R_C1_B_X_PORT_FORMATS_AND_CONF, 0x08,
+ R_C2_B_INPUT_REFERENCE_SIGNAL_DEFINITION, 0x00,
+ R_C3_B_I_PORT_FORMATS_AND_CONF, 0x80,
+
+ /* This is weird: the datasheet says that you should use 2 as the minimum value, */
+ /* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */
+ /* hoffset low (input), 0x0002 is minimum. See comment above. */
+ R_C4_B_HORIZ_INPUT_WINDOW_START, 0x00,
+ R_C5_B_HORIZ_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* hsize 0x02d0 = 720 */
+ R_C6_B_HORIZ_INPUT_WINDOW_LENGTH, 0xd0,
+ R_C7_B_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02,
+
+ /* voffset 0x16 = 22 */
+ R_C8_B_VERT_INPUT_WINDOW_START, 0x16,
+ R_C9_B_VERT_INPUT_WINDOW_START_MSB, 0x00,
+
+ /* vsize 0x0120 = 288 */
+ R_CA_B_VERT_INPUT_WINDOW_LENGTH, 0x20,
+ R_CB_B_VERT_INPUT_WINDOW_LENGTH_MSB, 0x01,
+
+ /* hsize 0x02d0 = 720 */
+ R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
+ R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02,
+
+ R_F0_LFCO_PER_LINE, 0xb0, /* Set PLL Register. 50hz 625 lines per frame, 27 MHz */
+ R_F1_P_I_PARAM_SELECT, 0x05, /* low bit with 0xF0, (was 0x05) */
+ R_F5_PULSGEN_LINE_LENGTH, 0xb0,
+ R_F6_PULSE_A_POS_LSB_AND_PULSEGEN_CONFIG, 0x01,
+
+ 0x00, 0x00
+};
+
+/* ============== SAA7715 VIDEO templates (end) ======= */
+
+static const unsigned char saa7115_cfg_vbi_on[] = {
+ R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
+ R_80_GLOBAL_CNTL_1, 0x30, /* Activate both tasks */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* activate scaler */
+ R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, /* Enable I-port output */
+
+ 0x00, 0x00
+};
+
+static const unsigned char saa7115_cfg_vbi_off[] = {
+ R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
+ R_80_GLOBAL_CNTL_1, 0x20, /* Activate only task "B" */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* activate scaler */
+ R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, /* Enable I-port output */
+
+ 0x00, 0x00
+};
+
+
+static const unsigned char saa7115_init_misc[] = {
+ R_81_V_SYNC_FLD_ID_SRC_SEL_AND_RETIMED_V_F, 0x01,
+ R_83_X_PORT_I_O_ENA_AND_OUT_CLK, 0x01,
+ R_84_I_PORT_SIGNAL_DEF, 0x20,
+ R_85_I_PORT_SIGNAL_POLAR, 0x21,
+ R_86_I_PORT_FIFO_FLAG_CNTL_AND_ARBIT, 0xc5,
+ R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01,
+
+ /* Task A */
+ R_A0_A_HORIZ_PRESCALING, 0x01,
+ R_A1_A_ACCUMULATION_LENGTH, 0x00,
+ R_A2_A_PRESCALER_DC_GAIN_AND_FIR_PREFILTER, 0x00,
+
+ /* Configure controls at nominal value*/
+ R_A4_A_LUMA_BRIGHTNESS_CNTL, 0x80,
+ R_A5_A_LUMA_CONTRAST_CNTL, 0x40,
+ R_A6_A_CHROMA_SATURATION_CNTL, 0x40,
+
+ /* note: 2 x zoom ensures that VBI lines have same length as video lines. */
+ R_A8_A_HORIZ_LUMA_SCALING_INC, 0x00,
+ R_A9_A_HORIZ_LUMA_SCALING_INC_MSB, 0x02,
+
+ R_AA_A_HORIZ_LUMA_PHASE_OFF, 0x00,
+
+ /* must be horiz lum scaling / 2 */
+ R_AC_A_HORIZ_CHROMA_SCALING_INC, 0x00,
+ R_AD_A_HORIZ_CHROMA_SCALING_INC_MSB, 0x01,
+
+ /* must be offset luma / 2 */
+ R_AE_A_HORIZ_CHROMA_PHASE_OFF, 0x00,
+
+ R_B0_A_VERT_LUMA_SCALING_INC, 0x00,
+ R_B1_A_VERT_LUMA_SCALING_INC_MSB, 0x04,
+
+ R_B2_A_VERT_CHROMA_SCALING_INC, 0x00,
+ R_B3_A_VERT_CHROMA_SCALING_INC_MSB, 0x04,
+
+ R_B4_A_VERT_SCALING_MODE_CNTL, 0x01,
+
+ R_B8_A_VERT_CHROMA_PHASE_OFF_00, 0x00,
+ R_B9_A_VERT_CHROMA_PHASE_OFF_01, 0x00,
+ R_BA_A_VERT_CHROMA_PHASE_OFF_10, 0x00,
+ R_BB_A_VERT_CHROMA_PHASE_OFF_11, 0x00,
+
+ R_BC_A_VERT_LUMA_PHASE_OFF_00, 0x00,
+ R_BD_A_VERT_LUMA_PHASE_OFF_01, 0x00,
+ R_BE_A_VERT_LUMA_PHASE_OFF_10, 0x00,
+ R_BF_A_VERT_LUMA_PHASE_OFF_11, 0x00,
+
+ /* Task B */
+ R_D0_B_HORIZ_PRESCALING, 0x01,
+ R_D1_B_ACCUMULATION_LENGTH, 0x00,
+ R_D2_B_PRESCALER_DC_GAIN_AND_FIR_PREFILTER, 0x00,
+
+ /* Configure controls at nominal value*/
+ R_D4_B_LUMA_BRIGHTNESS_CNTL, 0x80,
+ R_D5_B_LUMA_CONTRAST_CNTL, 0x40,
+ R_D6_B_CHROMA_SATURATION_CNTL, 0x40,
+
+ /* hor lum scaling 0x0400 = 1 */
+ R_D8_B_HORIZ_LUMA_SCALING_INC, 0x00,
+ R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, 0x04,
+
+ R_DA_B_HORIZ_LUMA_PHASE_OFF, 0x00,
+
+ /* must be hor lum scaling / 2 */
+ R_DC_B_HORIZ_CHROMA_SCALING, 0x00,
+ R_DD_B_HORIZ_CHROMA_SCALING_MSB, 0x02,
+
+ /* must be offset luma / 2 */
+ R_DE_B_HORIZ_PHASE_OFFSET_CRHOMA, 0x00,
+
+ R_E0_B_VERT_LUMA_SCALING_INC, 0x00,
+ R_E1_B_VERT_LUMA_SCALING_INC_MSB, 0x04,
+
+ R_E2_B_VERT_CHROMA_SCALING_INC, 0x00,
+ R_E3_B_VERT_CHROMA_SCALING_INC_MSB, 0x04,
+
+ R_E4_B_VERT_SCALING_MODE_CNTL, 0x01,
+
+ R_E8_B_VERT_CHROMA_PHASE_OFF_00, 0x00,
+ R_E9_B_VERT_CHROMA_PHASE_OFF_01, 0x00,
+ R_EA_B_VERT_CHROMA_PHASE_OFF_10, 0x00,
+ R_EB_B_VERT_CHROMA_PHASE_OFF_11, 0x00,
+
+ R_EC_B_VERT_LUMA_PHASE_OFF_00, 0x00,
+ R_ED_B_VERT_LUMA_PHASE_OFF_01, 0x00,
+ R_EE_B_VERT_LUMA_PHASE_OFF_10, 0x00,
+ R_EF_B_VERT_LUMA_PHASE_OFF_11, 0x00,
+
+ R_F2_NOMINAL_PLL2_DTO, 0x50, /* crystal clock = 24.576 MHz, target = 27MHz */
+ R_F3_PLL_INCREMENT, 0x46,
+ R_F4_PLL2_STATUS, 0x00,
+ R_F7_PULSE_A_POS_MSB, 0x4b, /* not the recommended settings! */
+ R_F8_PULSE_B_POS, 0x00,
+ R_F9_PULSE_B_POS_MSB, 0x4b,
+ R_FA_PULSE_C_POS, 0x00,
+ R_FB_PULSE_C_POS_MSB, 0x4b,
+
+ /* PLL2 lock detection settings: 71 lines 50% phase error */
+ R_FF_S_PLL_MAX_PHASE_ERR_THRESH_NUM_LINES, 0x88,
+
+ /* Turn off VBI */
+ R_40_SLICER_CNTL_1, 0x20, /* No framing code errors allowed. */
+ R_41_LCR_BASE, 0xff,
+ R_41_LCR_BASE+1, 0xff,
+ R_41_LCR_BASE+2, 0xff,
+ R_41_LCR_BASE+3, 0xff,
+ R_41_LCR_BASE+4, 0xff,
+ R_41_LCR_BASE+5, 0xff,
+ R_41_LCR_BASE+6, 0xff,
+ R_41_LCR_BASE+7, 0xff,
+ R_41_LCR_BASE+8, 0xff,
+ R_41_LCR_BASE+9, 0xff,
+ R_41_LCR_BASE+10, 0xff,
+ R_41_LCR_BASE+11, 0xff,
+ R_41_LCR_BASE+12, 0xff,
+ R_41_LCR_BASE+13, 0xff,
+ R_41_LCR_BASE+14, 0xff,
+ R_41_LCR_BASE+15, 0xff,
+ R_41_LCR_BASE+16, 0xff,
+ R_41_LCR_BASE+17, 0xff,
+ R_41_LCR_BASE+18, 0xff,
+ R_41_LCR_BASE+19, 0xff,
+ R_41_LCR_BASE+20, 0xff,
+ R_41_LCR_BASE+21, 0xff,
+ R_41_LCR_BASE+22, 0xff,
+ R_58_PROGRAM_FRAMING_CODE, 0x40,
+ R_59_H_OFF_FOR_SLICER, 0x47,
+ R_5B_FLD_OFF_AND_MSB_FOR_H_AND_V_OFF, 0x83,
+ R_5D_DID, 0xbd,
+ R_5E_SDID, 0x35,
+
+ R_02_INPUT_CNTL_1, 0xc4, /* input tuner -> input 4, amplifier active */
+
+ R_80_GLOBAL_CNTL_1, 0x20, /* enable task B */
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0,
+ R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0,
+ 0x00, 0x00
+};
+
+static int saa711x_odd_parity(u8 c)
+{
+ c ^= (c >> 4);
+ c ^= (c >> 2);
+ c ^= (c >> 1);
+
+ return c & 1;
+}
+
+static int saa711x_decode_vps(u8 *dst, u8 *p)
+{
+ static const u8 biphase_tbl[] = {
+ 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
+ 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
+ 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96,
+ 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2,
+ 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94,
+ 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0,
+ 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
+ 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
+ 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5,
+ 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1,
+ 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87,
+ 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3,
+ 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85,
+ 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1,
+ 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5,
+ 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1,
+ 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4,
+ 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0,
+ 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86,
+ 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2,
+ 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84,
+ 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0,
+ 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4,
+ 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0,
+ 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
+ 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
+ 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96,
+ 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2,
+ 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94,
+ 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0,
+ 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
+ 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
+ };
+ int i;
+ u8 c, err = 0;
+
+ for (i = 0; i < 2 * 13; i += 2) {
+ err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]];
+ c = (biphase_tbl[p[i + 1]] & 0xf) | ((biphase_tbl[p[i]] & 0xf) << 4);
+ dst[i / 2] = c;
+ }
+ return err & 0xf0;
+}
+
+static int saa711x_decode_wss(u8 *p)
+{
+ static const int wss_bits[8] = {
+ 0, 0, 0, 1, 0, 1, 1, 1
+ };
+ unsigned char parity;
+ int wss = 0;
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ int b1 = wss_bits[p[i] & 7];
+ int b2 = wss_bits[(p[i] >> 3) & 7];
+
+ if (b1 == b2)
+ return -1;
+ wss |= b2 << i;
+ }
+ parity = wss & 15;
+ parity ^= parity >> 2;
+ parity ^= parity >> 1;
+
+ if (!(parity & 1))
+ return -1;
+
+ return wss;
+}
+
+static int saa711x_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
+{
+ struct saa711x_state *state = to_state(sd);
+ u32 acpf;
+ u32 acni;
+ u32 hz;
+ u64 f;
+ u8 acc = 0; /* reg 0x3a, audio clock control */
+
+ /* Checks for chips that don't have audio clock (saa7111, saa7113) */
+ if (!saa711x_has_reg(state->ident, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD))
+ return 0;
+
+ v4l2_dbg(1, debug, sd, "set audio clock freq: %d\n", freq);
+
+ /* sanity check */
+ if (freq < 32000 || freq > 48000)
+ return -EINVAL;
+
+ /* hz is the refresh rate times 100 */
+ hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000;
+ /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */
+ acpf = (25600 * freq) / hz;
+ /* acni = (256 * freq * 2^23) / crystal_frequency =
+ (freq * 2^(8+23)) / crystal_frequency =
+ (freq << 31) / crystal_frequency */
+ f = freq;
+ f = f << 31;
+ do_div(f, state->crystal_freq);
+ acni = f;
+ if (state->ucgc) {
+ acpf = acpf * state->cgcdiv / 16;
+ acni = acni * state->cgcdiv / 16;
+ acc = 0x80;
+ if (state->cgcdiv == 3)
+ acc |= 0x40;
+ }
+ if (state->apll)
+ acc |= 0x08;
+
+ saa711x_write(sd, R_38_CLK_RATIO_AMXCLK_TO_ASCLK, 0x03);
+ saa711x_write(sd, R_39_CLK_RATIO_ASCLK_TO_ALRCLK, 0x10);
+ saa711x_write(sd, R_3A_AUD_CLK_GEN_BASIC_SETUP, acc);
+
+ saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD, acpf & 0xff);
+ saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD+1,
+ (acpf >> 8) & 0xff);
+ saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD+2,
+ (acpf >> 16) & 0x03);
+
+ saa711x_write(sd, R_34_AUD_MAST_CLK_NOMINAL_INC, acni & 0xff);
+ saa711x_write(sd, R_34_AUD_MAST_CLK_NOMINAL_INC+1, (acni >> 8) & 0xff);
+ saa711x_write(sd, R_34_AUD_MAST_CLK_NOMINAL_INC+2, (acni >> 16) & 0x3f);
+ state->audclk_freq = freq;
+ return 0;
+}
+
+static int saa711x_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct saa711x_state *state = to_state(sd);
+
+ switch (ctrl->id) {
+ case V4L2_CID_CHROMA_AGC:
+ /* chroma gain cluster */
+ if (state->agc->val)
+ state->gain->val =
+ saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL) & 0x7f;
+ break;
+ }
+ return 0;
+}
+
+static int saa711x_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct saa711x_state *state = to_state(sd);
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ saa711x_write(sd, R_0A_LUMA_BRIGHT_CNTL, ctrl->val);
+ break;
+
+ case V4L2_CID_CONTRAST:
+ saa711x_write(sd, R_0B_LUMA_CONTRAST_CNTL, ctrl->val);
+ break;
+
+ case V4L2_CID_SATURATION:
+ saa711x_write(sd, R_0C_CHROMA_SAT_CNTL, ctrl->val);
+ break;
+
+ case V4L2_CID_HUE:
+ saa711x_write(sd, R_0D_CHROMA_HUE_CNTL, ctrl->val);
+ break;
+
+ case V4L2_CID_CHROMA_AGC:
+ /* chroma gain cluster */
+ if (state->agc->val)
+ saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val);
+ else
+ saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val | 0x80);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int saa711x_set_size(struct v4l2_subdev *sd, int width, int height)
+{
+ struct saa711x_state *state = to_state(sd);
+ int HPSC, HFSC;
+ int VSCY;
+ int res;
+ int is_50hz = state->std & V4L2_STD_625_50;
+ int Vsrc = is_50hz ? 576 : 480;
+
+ v4l2_dbg(1, debug, sd, "decoder set size to %ix%i\n", width, height);
+
+ /* FIXME need better bounds checking here */
+ if ((width < 1) || (width > 1440))
+ return -EINVAL;
+ if ((height < 1) || (height > Vsrc))
+ return -EINVAL;
+
+ if (!saa711x_has_reg(state->ident, R_D0_B_HORIZ_PRESCALING)) {
+ /* Decoder only supports 720 columns and 480 or 576 lines */
+ if (width != 720)
+ return -EINVAL;
+ if (height != Vsrc)
+ return -EINVAL;
+ }
+
+ state->width = width;
+ state->height = height;
+
+ if (!saa711x_has_reg(state->ident, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH))
+ return 0;
+
+ /* probably have a valid size, let's set it */
+ /* Set output width/height */
+ /* width */
+
+ saa711x_write(sd, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
+ (u8) (width & 0xff));
+ saa711x_write(sd, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
+ (u8) ((width >> 8) & 0xff));
+
+ /* Vertical Scaling uses height/2 */
+ res = height / 2;
+
+ /* On 60Hz, it is using a higher Vertical Output Size */
+ if (!is_50hz)
+ res += (VRES_60HZ - 480) >> 1;
+
+ /* height */
+ saa711x_write(sd, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
+ (u8) (res & 0xff));
+ saa711x_write(sd, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
+ (u8) ((res >> 8) & 0xff));
+
+ /* Scaling settings */
+ /* Hprescaler is floor(inres/outres) */
+ HPSC = (int)(720 / width);
+ /* 0 is not allowed (div. by zero) */
+ HPSC = HPSC ? HPSC : 1;
+ HFSC = (int)((1024 * 720) / (HPSC * width));
+ /* FIXME hardcodes to "Task B"
+ * write H prescaler integer */
+ saa711x_write(sd, R_D0_B_HORIZ_PRESCALING,
+ (u8) (HPSC & 0x3f));
+
+ v4l2_dbg(1, debug, sd, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
+ /* write H fine-scaling (luminance) */
+ saa711x_write(sd, R_D8_B_HORIZ_LUMA_SCALING_INC,
+ (u8) (HFSC & 0xff));
+ saa711x_write(sd, R_D9_B_HORIZ_LUMA_SCALING_INC_MSB,
+ (u8) ((HFSC >> 8) & 0xff));
+ /* write H fine-scaling (chrominance)
+ * must be lum/2, so i'll just bitshift :) */
+ saa711x_write(sd, R_DC_B_HORIZ_CHROMA_SCALING,
+ (u8) ((HFSC >> 1) & 0xff));
+ saa711x_write(sd, R_DD_B_HORIZ_CHROMA_SCALING_MSB,
+ (u8) ((HFSC >> 9) & 0xff));
+
+ VSCY = (int)((1024 * Vsrc) / height);
+ v4l2_dbg(1, debug, sd, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
+
+ /* Correct Contrast and Luminance */
+ saa711x_write(sd, R_D5_B_LUMA_CONTRAST_CNTL,
+ (u8) (64 * 1024 / VSCY));
+ saa711x_write(sd, R_D6_B_CHROMA_SATURATION_CNTL,
+ (u8) (64 * 1024 / VSCY));
+
+ /* write V fine-scaling (luminance) */
+ saa711x_write(sd, R_E0_B_VERT_LUMA_SCALING_INC,
+ (u8) (VSCY & 0xff));
+ saa711x_write(sd, R_E1_B_VERT_LUMA_SCALING_INC_MSB,
+ (u8) ((VSCY >> 8) & 0xff));
+ /* write V fine-scaling (chrominance) */
+ saa711x_write(sd, R_E2_B_VERT_CHROMA_SCALING_INC,
+ (u8) (VSCY & 0xff));
+ saa711x_write(sd, R_E3_B_VERT_CHROMA_SCALING_INC_MSB,
+ (u8) ((VSCY >> 8) & 0xff));
+
+ saa711x_writeregs(sd, saa7115_cfg_reset_scaler);
+
+ /* Activates task "B" */
+ saa711x_write(sd, R_80_GLOBAL_CNTL_1,
+ saa711x_read(sd, R_80_GLOBAL_CNTL_1) | 0x20);
+
+ return 0;
+}
+
+static void saa711x_set_v4lstd(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct saa711x_state *state = to_state(sd);
+
+ /* Prevent unnecessary standard changes. During a standard
+ change the I-Port is temporarily disabled. Any devices
+ reading from that port can get confused.
+ Note that s_std is also used to switch from
+ radio to TV mode, so if a s_std is broadcast to
+ all I2C devices then you do not want to have an unwanted
+ side-effect here. */
+ if (std == state->std)
+ return;
+
+ state->std = std;
+
+ // This works for NTSC-M, SECAM-L and the 50Hz PAL variants.
+ if (std & V4L2_STD_525_60) {
+ v4l2_dbg(1, debug, sd, "decoder set standard 60 Hz\n");
+ saa711x_writeregs(sd, saa7115_cfg_60hz_video);
+ saa711x_set_size(sd, 720, 480);
+ } else {
+ v4l2_dbg(1, debug, sd, "decoder set standard 50 Hz\n");
+ saa711x_writeregs(sd, saa7115_cfg_50hz_video);
+ saa711x_set_size(sd, 720, 576);
+ }
+
+ /* Register 0E - Bits D6-D4 on NO-AUTO mode
+ (SAA7111 and SAA7113 doesn't have auto mode)
+ 50 Hz / 625 lines 60 Hz / 525 lines
+ 000 PAL BGDHI (4.43Mhz) NTSC M (3.58MHz)
+ 001 NTSC 4.43 (50 Hz) PAL 4.43 (60 Hz)
+ 010 Combination-PAL N (3.58MHz) NTSC 4.43 (60 Hz)
+ 011 NTSC N (3.58MHz) PAL M (3.58MHz)
+ 100 reserved NTSC-Japan (3.58MHz)
+ */
+ if (state->ident <= V4L2_IDENT_SAA7113) {
+ u8 reg = saa711x_read(sd, R_0E_CHROMA_CNTL_1) & 0x8f;
+
+ if (std == V4L2_STD_PAL_M) {
+ reg |= 0x30;
+ } else if (std == V4L2_STD_PAL_Nc) {
+ reg |= 0x20;
+ } else if (std == V4L2_STD_PAL_60) {
+ reg |= 0x10;
+ } else if (std == V4L2_STD_NTSC_M_JP) {
+ reg |= 0x40;
+ } else if (std & V4L2_STD_SECAM) {
+ reg |= 0x50;
+ }
+ saa711x_write(sd, R_0E_CHROMA_CNTL_1, reg);
+ } else {
+ /* restart task B if needed */
+ int taskb = saa711x_read(sd, R_80_GLOBAL_CNTL_1) & 0x10;
+
+ if (taskb && state->ident == V4L2_IDENT_SAA7114) {
+ saa711x_writeregs(sd, saa7115_cfg_vbi_on);
+ }
+
+ /* switch audio mode too! */
+ saa711x_s_clock_freq(sd, state->audclk_freq);
+ }
+}
+
+/* setup the sliced VBI lcr registers according to the sliced VBI format */
+static void saa711x_set_lcr(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt)
+{
+ struct saa711x_state *state = to_state(sd);
+ int is_50hz = (state->std & V4L2_STD_625_50);
+ u8 lcr[24];
+ int i, x;
+
+#if 1
+ /* saa7113/7114/7118 VBI support are experimental */
+ if (!saa711x_has_reg(state->ident, R_41_LCR_BASE))
+ return;
+
+#else
+ /* SAA7113 and SAA7118 also should support VBI - Need testing */
+ if (state->ident != V4L2_IDENT_SAA7115)
+ return;
+#endif
+
+ for (i = 0; i <= 23; i++)
+ lcr[i] = 0xff;
+
+ if (fmt == NULL) {
+ /* raw VBI */
+ if (is_50hz)
+ for (i = 6; i <= 23; i++)
+ lcr[i] = 0xdd;
+ else
+ for (i = 10; i <= 21; i++)
+ lcr[i] = 0xdd;
+ } else {
+ /* sliced VBI */
+ /* first clear lines that cannot be captured */
+ if (is_50hz) {
+ for (i = 0; i <= 5; i++)
+ fmt->service_lines[0][i] =
+ fmt->service_lines[1][i] = 0;
+ }
+ else {
+ for (i = 0; i <= 9; i++)
+ fmt->service_lines[0][i] =
+ fmt->service_lines[1][i] = 0;
+ for (i = 22; i <= 23; i++)
+ fmt->service_lines[0][i] =
+ fmt->service_lines[1][i] = 0;
+ }
+
+ /* Now set the lcr values according to the specified service */
+ for (i = 6; i <= 23; i++) {
+ lcr[i] = 0;
+ for (x = 0; x <= 1; x++) {
+ switch (fmt->service_lines[1-x][i]) {
+ case 0:
+ lcr[i] |= 0xf << (4 * x);
+ break;
+ case V4L2_SLICED_TELETEXT_B:
+ lcr[i] |= 1 << (4 * x);
+ break;
+ case V4L2_SLICED_CAPTION_525:
+ lcr[i] |= 4 << (4 * x);
+ break;
+ case V4L2_SLICED_WSS_625:
+ lcr[i] |= 5 << (4 * x);
+ break;
+ case V4L2_SLICED_VPS:
+ lcr[i] |= 7 << (4 * x);
+ break;
+ }
+ }
+ }
+ }
+
+ /* write the lcr registers */
+ for (i = 2; i <= 23; i++) {
+ saa711x_write(sd, i - 2 + R_41_LCR_BASE, lcr[i]);
+ }
+
+ /* enable/disable raw VBI capturing */
+ saa711x_writeregs(sd, fmt == NULL ?
+ saa7115_cfg_vbi_on :
+ saa7115_cfg_vbi_off);
+}
+
+static int saa711x_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *sliced)
+{
+ static u16 lcr2vbi[] = {
+ 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */
+ 0, V4L2_SLICED_CAPTION_525, /* 4 */
+ V4L2_SLICED_WSS_625, 0, /* 5 */
+ V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 */
+ 0, 0, 0, 0
+ };
+ int i;
+
+ memset(sliced->service_lines, 0, sizeof(sliced->service_lines));
+ sliced->service_set = 0;
+ /* done if using raw VBI */
+ if (saa711x_read(sd, R_80_GLOBAL_CNTL_1) & 0x10)
+ return 0;
+ for (i = 2; i <= 23; i++) {
+ u8 v = saa711x_read(sd, i - 2 + R_41_LCR_BASE);
+
+ sliced->service_lines[0][i] = lcr2vbi[v >> 4];
+ sliced->service_lines[1][i] = lcr2vbi[v & 0xf];
+ sliced->service_set |=
+ sliced->service_lines[0][i] | sliced->service_lines[1][i];
+ }
+ return 0;
+}
+
+static int saa711x_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
+{
+ saa711x_set_lcr(sd, NULL);
+ return 0;
+}
+
+static int saa711x_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt)
+{
+ saa711x_set_lcr(sd, fmt);
+ return 0;
+}
+
+static int saa711x_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt)
+{
+ if (fmt->code != V4L2_MBUS_FMT_FIXED)
+ return -EINVAL;
+ fmt->field = V4L2_FIELD_INTERLACED;
+ fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ return saa711x_set_size(sd, fmt->width, fmt->height);
+}
+
+/* Decode the sliced VBI data stream as created by the saa7115.
+ The format is described in the saa7115 datasheet in Tables 25 and 26
+ and in Figure 33.
+ The current implementation uses SAV/EAV codes and not the ancillary data
+ headers. The vbi->p pointer points to the R_5E_SDID byte right after the SAV
+ code. */
+static int saa711x_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi)
+{
+ struct saa711x_state *state = to_state(sd);
+ static const char vbi_no_data_pattern[] = {
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0
+ };
+ u8 *p = vbi->p;
+ u32 wss;
+ int id1, id2; /* the ID1 and ID2 bytes from the internal header */
+
+ vbi->type = 0; /* mark result as a failure */
+ id1 = p[2];
+ id2 = p[3];
+ /* Note: the field bit is inverted for 60 Hz video */
+ if (state->std & V4L2_STD_525_60)
+ id1 ^= 0x40;
+
+ /* Skip internal header, p now points to the start of the payload */
+ p += 4;
+ vbi->p = p;
+
+ /* calculate field and line number of the VBI packet (1-23) */
+ vbi->is_second_field = ((id1 & 0x40) != 0);
+ vbi->line = (id1 & 0x3f) << 3;
+ vbi->line |= (id2 & 0x70) >> 4;
+
+ /* Obtain data type */
+ id2 &= 0xf;
+
+ /* If the VBI slicer does not detect any signal it will fill up
+ the payload buffer with 0xa0 bytes. */
+ if (!memcmp(p, vbi_no_data_pattern, sizeof(vbi_no_data_pattern)))
+ return 0;
+
+ /* decode payloads */
+ switch (id2) {
+ case 1:
+ vbi->type = V4L2_SLICED_TELETEXT_B;
+ break;
+ case 4:
+ if (!saa711x_odd_parity(p[0]) || !saa711x_odd_parity(p[1]))
+ return 0;
+ vbi->type = V4L2_SLICED_CAPTION_525;
+ break;
+ case 5:
+ wss = saa711x_decode_wss(p);
+ if (wss == -1)
+ return 0;
+ p[0] = wss & 0xff;
+ p[1] = wss >> 8;
+ vbi->type = V4L2_SLICED_WSS_625;
+ break;
+ case 7:
+ if (saa711x_decode_vps(p, p) != 0)
+ return 0;
+ vbi->type = V4L2_SLICED_VPS;
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+/* ============ SAA7115 AUDIO settings (end) ============= */
+
+static int saa711x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct saa711x_state *state = to_state(sd);
+ int status;
+
+ if (state->radio)
+ return 0;
+ status = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);
+
+ v4l2_dbg(1, debug, sd, "status: 0x%02x\n", status);
+ vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0;
+ return 0;
+}
+
+static int saa711x_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct saa711x_state *state = to_state(sd);
+
+ state->radio = 0;
+ saa711x_set_v4lstd(sd, std);
+ return 0;
+}
+
+static int saa711x_s_radio(struct v4l2_subdev *sd)
+{
+ struct saa711x_state *state = to_state(sd);
+
+ state->radio = 1;
+ return 0;
+}
+
+static int saa711x_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct saa711x_state *state = to_state(sd);
+ u8 mask = (state->ident <= V4L2_IDENT_SAA7111A) ? 0xf8 : 0xf0;
+
+ v4l2_dbg(1, debug, sd, "decoder set input %d output %d\n",
+ input, output);
+
+ /* saa7111/3 does not have these inputs */
+ if (state->ident <= V4L2_IDENT_SAA7113 &&
+ (input == SAA7115_COMPOSITE4 ||
+ input == SAA7115_COMPOSITE5)) {
+ return -EINVAL;
+ }
+ if (input > SAA7115_SVIDEO3)
+ return -EINVAL;
+ if (state->input == input && state->output == output)
+ return 0;
+ v4l2_dbg(1, debug, sd, "now setting %s input %s output\n",
+ (input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite",
+ (output == SAA7115_IPORT_ON) ? "iport on" : "iport off");
+ state->input = input;
+
+ /* saa7111 has slightly different input numbering */
+ if (state->ident <= V4L2_IDENT_SAA7111A) {
+ if (input >= SAA7115_COMPOSITE4)
+ input -= 2;
+ /* saa7111 specific */
+ saa711x_write(sd, R_10_CHROMA_CNTL_2,
+ (saa711x_read(sd, R_10_CHROMA_CNTL_2) & 0x3f) |
+ ((output & 0xc0) ^ 0x40));
+ saa711x_write(sd, R_13_RT_X_PORT_OUT_CNTL,
+ (saa711x_read(sd, R_13_RT_X_PORT_OUT_CNTL) & 0xf0) |
+ ((output & 2) ? 0x0a : 0));
+ }
+
+ /* select mode */
+ saa711x_write(sd, R_02_INPUT_CNTL_1,
+ (saa711x_read(sd, R_02_INPUT_CNTL_1) & mask) |
+ input);
+
+ /* bypass chrominance trap for S-Video modes */
+ saa711x_write(sd, R_09_LUMA_CNTL,
+ (saa711x_read(sd, R_09_LUMA_CNTL) & 0x7f) |
+ (state->input >= SAA7115_SVIDEO0 ? 0x80 : 0x0));
+
+ state->output = output;
+ if (state->ident == V4L2_IDENT_SAA7114 ||
+ state->ident == V4L2_IDENT_SAA7115) {
+ saa711x_write(sd, R_83_X_PORT_I_O_ENA_AND_OUT_CLK,
+ (saa711x_read(sd, R_83_X_PORT_I_O_ENA_AND_OUT_CLK) & 0xfe) |
+ (state->output & 0x01));
+ }
+ return 0;
+}
+
+static int saa711x_s_gpio(struct v4l2_subdev *sd, u32 val)
+{
+ struct saa711x_state *state = to_state(sd);
+
+ if (state->ident > V4L2_IDENT_SAA7111A)
+ return -EINVAL;
+ saa711x_write(sd, 0x11, (saa711x_read(sd, 0x11) & 0x7f) |
+ (val ? 0x80 : 0));
+ return 0;
+}
+
+static int saa711x_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct saa711x_state *state = to_state(sd);
+
+ v4l2_dbg(1, debug, sd, "%s output\n",
+ enable ? "enable" : "disable");
+
+ if (state->enable == enable)
+ return 0;
+ state->enable = enable;
+ if (!saa711x_has_reg(state->ident, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED))
+ return 0;
+ saa711x_write(sd, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, state->enable);
+ return 0;
+}
+
+static int saa711x_s_crystal_freq(struct v4l2_subdev *sd, u32 freq, u32 flags)
+{
+ struct saa711x_state *state = to_state(sd);
+
+ if (freq != SAA7115_FREQ_32_11_MHZ && freq != SAA7115_FREQ_24_576_MHZ)
+ return -EINVAL;
+ state->crystal_freq = freq;
+ state->cgcdiv = (flags & SAA7115_FREQ_FL_CGCDIV) ? 3 : 4;
+ state->ucgc = (flags & SAA7115_FREQ_FL_UCGC) ? 1 : 0;
+ state->apll = (flags & SAA7115_FREQ_FL_APLL) ? 1 : 0;
+ saa711x_s_clock_freq(sd, state->audclk_freq);
+ return 0;
+}
+
+static int saa711x_reset(struct v4l2_subdev *sd, u32 val)
+{
+ v4l2_dbg(1, debug, sd, "decoder RESET\n");
+ saa711x_writeregs(sd, saa7115_cfg_reset_scaler);
+ return 0;
+}
+
+static int saa711x_g_vbi_data(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *data)
+{
+ /* Note: the internal field ID is inverted for NTSC,
+ so data->field 0 maps to the saa7115 even field,
+ whereas for PAL it maps to the saa7115 odd field. */
+ switch (data->id) {
+ case V4L2_SLICED_WSS_625:
+ if (saa711x_read(sd, 0x6b) & 0xc0)
+ return -EIO;
+ data->data[0] = saa711x_read(sd, 0x6c);
+ data->data[1] = saa711x_read(sd, 0x6d);
+ return 0;
+ case V4L2_SLICED_CAPTION_525:
+ if (data->field == 0) {
+ /* CC */
+ if (saa711x_read(sd, 0x66) & 0x30)
+ return -EIO;
+ data->data[0] = saa711x_read(sd, 0x69);
+ data->data[1] = saa711x_read(sd, 0x6a);
+ return 0;
+ }
+ /* XDS */
+ if (saa711x_read(sd, 0x66) & 0xc0)
+ return -EIO;
+ data->data[0] = saa711x_read(sd, 0x67);
+ data->data[1] = saa711x_read(sd, 0x68);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+ struct saa711x_state *state = to_state(sd);
+ int reg1f, reg1e;
+
+ /*
+ * The V4L2 core already initializes std with all supported
+ * Standards. All driver needs to do is to mask it, to remove
+ * standards that don't apply from the mask
+ */
+
+ reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);
+ v4l2_dbg(1, debug, sd, "Status byte 2 (0x1f)=0x%02x\n", reg1f);
+
+ /* horizontal/vertical not locked */
+ if (reg1f & 0x40)
+ goto ret;
+
+ if (reg1f & 0x20)
+ *std &= V4L2_STD_525_60;
+ else
+ *std &= V4L2_STD_625_50;
+
+ if (state->ident != V4L2_IDENT_SAA7115)
+ goto ret;
+
+ reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC);
+
+ switch (reg1e & 0x03) {
+ case 1:
+ *std &= V4L2_STD_NTSC;
+ break;
+ case 2:
+ /*
+ * V4L2_STD_PAL just cover the european PAL standards.
+ * This is wrong, as the device could also be using an
+ * other PAL standard.
+ */
+ *std &= V4L2_STD_PAL | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc |
+ V4L2_STD_PAL_M | V4L2_STD_PAL_60;
+ break;
+ case 3:
+ *std &= V4L2_STD_SECAM;
+ break;
+ default:
+ /* Can't detect anything */
+ break;
+ }
+
+ v4l2_dbg(1, debug, sd, "Status byte 1 (0x1e)=0x%02x\n", reg1e);
+
+ret:
+ v4l2_dbg(1, debug, sd, "detected std mask = %08Lx\n", *std);
+
+ return 0;
+}
+
+static int saa711x_g_input_status(struct v4l2_subdev *sd, u32 *status)
+{
+ struct saa711x_state *state = to_state(sd);
+ int reg1e = 0x80;
+ int reg1f;
+
+ *status = V4L2_IN_ST_NO_SIGNAL;
+ if (state->ident == V4L2_IDENT_SAA7115)
+ reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC);
+ reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);
+ if ((reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80)
+ *status = 0;
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int saa711x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client, &reg->match))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->val = saa711x_read(sd, reg->reg & 0xff);
+ reg->size = 1;
+ return 0;
+}
+
+static int saa711x_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client, &reg->match))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ saa711x_write(sd, reg->reg & 0xff, reg->val & 0xff);
+ return 0;
+}
+#endif
+
+static int saa711x_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct saa711x_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return v4l2_chip_ident_i2c_client(client, chip, state->ident, 0);
+}
+
+static int saa711x_log_status(struct v4l2_subdev *sd)
+{
+ struct saa711x_state *state = to_state(sd);
+ int reg1e, reg1f;
+ int signalOk;
+ int vcr;
+
+ v4l2_info(sd, "Audio frequency: %d Hz\n", state->audclk_freq);
+ if (state->ident != V4L2_IDENT_SAA7115) {
+ /* status for the saa7114 */
+ reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);
+ signalOk = (reg1f & 0xc1) == 0x81;
+ v4l2_info(sd, "Video signal: %s\n", signalOk ? "ok" : "bad");
+ v4l2_info(sd, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
+ return 0;
+ }
+
+ /* status for the saa7115 */
+ reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC);
+ reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);
+
+ signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80;
+ vcr = !(reg1f & 0x10);
+
+ if (state->input >= 6)
+ v4l2_info(sd, "Input: S-Video %d\n", state->input - 6);
+ else
+ v4l2_info(sd, "Input: Composite %d\n", state->input);
+ v4l2_info(sd, "Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad");
+ v4l2_info(sd, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
+
+ switch (reg1e & 0x03) {
+ case 1:
+ v4l2_info(sd, "Detected format: NTSC\n");
+ break;
+ case 2:
+ v4l2_info(sd, "Detected format: PAL\n");
+ break;
+ case 3:
+ v4l2_info(sd, "Detected format: SECAM\n");
+ break;
+ default:
+ v4l2_info(sd, "Detected format: BW/No color\n");
+ break;
+ }
+ v4l2_info(sd, "Width, Height: %d, %d\n", state->width, state->height);
+ v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_ctrl_ops saa711x_ctrl_ops = {
+ .s_ctrl = saa711x_s_ctrl,
+ .g_volatile_ctrl = saa711x_g_volatile_ctrl,
+};
+
+static const struct v4l2_subdev_core_ops saa711x_core_ops = {
+ .log_status = saa711x_log_status,
+ .g_chip_ident = saa711x_g_chip_ident,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
+ .s_std = saa711x_s_std,
+ .reset = saa711x_reset,
+ .s_gpio = saa711x_s_gpio,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = saa711x_g_register,
+ .s_register = saa711x_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops saa711x_tuner_ops = {
+ .s_radio = saa711x_s_radio,
+ .g_tuner = saa711x_g_tuner,
+};
+
+static const struct v4l2_subdev_audio_ops saa711x_audio_ops = {
+ .s_clock_freq = saa711x_s_clock_freq,
+};
+
+static const struct v4l2_subdev_video_ops saa711x_video_ops = {
+ .s_routing = saa711x_s_routing,
+ .s_crystal_freq = saa711x_s_crystal_freq,
+ .s_mbus_fmt = saa711x_s_mbus_fmt,
+ .s_stream = saa711x_s_stream,
+ .querystd = saa711x_querystd,
+ .g_input_status = saa711x_g_input_status,
+};
+
+static const struct v4l2_subdev_vbi_ops saa711x_vbi_ops = {
+ .g_vbi_data = saa711x_g_vbi_data,
+ .decode_vbi_line = saa711x_decode_vbi_line,
+ .g_sliced_fmt = saa711x_g_sliced_fmt,
+ .s_sliced_fmt = saa711x_s_sliced_fmt,
+ .s_raw_fmt = saa711x_s_raw_fmt,
+};
+
+static const struct v4l2_subdev_ops saa711x_ops = {
+ .core = &saa711x_core_ops,
+ .tuner = &saa711x_tuner_ops,
+ .audio = &saa711x_audio_ops,
+ .video = &saa711x_video_ops,
+ .vbi = &saa711x_vbi_ops,
+};
+
+/* ----------------------------------------------------------------------- */
+
+static int saa711x_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct saa711x_state *state;
+ struct v4l2_subdev *sd;
+ struct v4l2_ctrl_handler *hdl;
+ int i;
+ char name[17];
+ char chip_id;
+ int autodetect = !id || id->driver_data == 1;
+
+ /* Check if the adapter supports the needed features */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ for (i = 0; i < 0x0f; i++) {
+ i2c_smbus_write_byte_data(client, 0, i);
+ name[i] = (i2c_smbus_read_byte_data(client, 0) & 0x0f) + '0';
+ if (name[i] > '9')
+ name[i] += 'a' - '9' - 1;
+ }
+ name[i] = '\0';
+
+ chip_id = name[5];
+
+ /* Check whether this chip is part of the saa711x series */
+ if (memcmp(name + 1, "f711", 4)) {
+ v4l_dbg(1, debug, client, "chip found @ 0x%x (ID %s) does not match a known saa711x chip.\n",
+ client->addr << 1, name);
+ return -ENODEV;
+ }
+
+ /* Safety check */
+ if (!autodetect && id->name[6] != chip_id) {
+ v4l_warn(client, "found saa711%c while %s was expected\n",
+ chip_id, id->name);
+ }
+ snprintf(client->name, sizeof(client->name), "saa711%c", chip_id);
+ v4l_info(client, "saa711%c found (%s) @ 0x%x (%s)\n", chip_id, name,
+ client->addr << 1, client->adapter->name);
+
+ state = kzalloc(sizeof(struct saa711x_state), GFP_KERNEL);
+ if (state == NULL)
+ return -ENOMEM;
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &saa711x_ops);
+
+ hdl = &state->hdl;
+ v4l2_ctrl_handler_init(hdl, 6);
+ /* add in ascending ID order */
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+ state->agc = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_CHROMA_AGC, 0, 1, 1, 1);
+ state->gain = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_CHROMA_GAIN, 0, 127, 1, 40);
+ sd->ctrl_handler = hdl;
+ if (hdl->error) {
+ int err = hdl->error;
+
+ v4l2_ctrl_handler_free(hdl);
+ kfree(state);
+ return err;
+ }
+ v4l2_ctrl_auto_cluster(2, &state->agc, 0, true);
+
+ state->input = -1;
+ state->output = SAA7115_IPORT_ON;
+ state->enable = 1;
+ state->radio = 0;
+ switch (chip_id) {
+ case '1':
+ state->ident = V4L2_IDENT_SAA7111;
+ if (saa711x_read(sd, R_00_CHIP_VERSION) & 0xf0) {
+ v4l_info(client, "saa7111a variant found\n");
+ state->ident = V4L2_IDENT_SAA7111A;
+ }
+ break;
+ case '3':
+ state->ident = V4L2_IDENT_SAA7113;
+ break;
+ case '4':
+ state->ident = V4L2_IDENT_SAA7114;
+ break;
+ case '5':
+ state->ident = V4L2_IDENT_SAA7115;
+ break;
+ case '8':
+ state->ident = V4L2_IDENT_SAA7118;
+ break;
+ default:
+ state->ident = V4L2_IDENT_SAA7111;
+ v4l2_info(sd, "WARNING: Chip is not known - Falling back to saa7111\n");
+ break;
+ }
+
+ state->audclk_freq = 48000;
+
+ v4l2_dbg(1, debug, sd, "writing init values\n");
+
+ /* init to 60hz/48khz */
+ state->crystal_freq = SAA7115_FREQ_24_576_MHZ;
+ switch (state->ident) {
+ case V4L2_IDENT_SAA7111:
+ case V4L2_IDENT_SAA7111A:
+ saa711x_writeregs(sd, saa7111_init);
+ break;
+ case V4L2_IDENT_SAA7113:
+ saa711x_writeregs(sd, saa7113_init);
+ break;
+ default:
+ state->crystal_freq = SAA7115_FREQ_32_11_MHZ;
+ saa711x_writeregs(sd, saa7115_init_auto_input);
+ }
+ if (state->ident > V4L2_IDENT_SAA7111A)
+ saa711x_writeregs(sd, saa7115_init_misc);
+ saa711x_set_v4lstd(sd, V4L2_STD_NTSC);
+ v4l2_ctrl_handler_setup(hdl);
+
+ v4l2_dbg(1, debug, sd, "status: (1E) 0x%02x, (1F) 0x%02x\n",
+ saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC),
+ saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC));
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static int saa711x_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);
+ kfree(to_state(sd));
+ return 0;
+}
+
+static const struct i2c_device_id saa711x_id[] = {
+ { "saa7115_auto", 1 }, /* autodetect */
+ { "saa7111", 0 },
+ { "saa7113", 0 },
+ { "saa7114", 0 },
+ { "saa7115", 0 },
+ { "saa7118", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, saa711x_id);
+
+static struct i2c_driver saa711x_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "saa7115",
+ },
+ .probe = saa711x_probe,
+ .remove = saa711x_remove,
+ .id_table = saa711x_id,
+};
+
+module_i2c_driver(saa711x_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-30 06:50:23 +0000