diff options
-rw-r--r-- | linux/Documentation/video4linux/CQcam.txt | 203 | ||||
-rw-r--r-- | linux/Documentation/video4linux/v4lgrab.c | 192 | ||||
-rw-r--r-- | linux/drivers/media/video/Kconfig | 9 | ||||
-rw-r--r-- | linux/drivers/media/video/Makefile | 1 | ||||
-rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-core.c | 4 | ||||
-rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-core.h | 1 | ||||
-rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-vbi.c | 24 | ||||
-rw-r--r-- | linux/drivers/media/video/cx88/cx88-cards.c | 8 | ||||
-rw-r--r-- | linux/drivers/media/video/tlv320aic23b.c | 250 | ||||
-rw-r--r-- | linux/include/linux/i2c-id.h | 1 | ||||
-rw-r--r-- | linux/include/linux/videodev2.h | 1 | ||||
-rw-r--r-- | v4l/versions.txt | 1 |
12 files changed, 483 insertions, 212 deletions
diff --git a/linux/Documentation/video4linux/CQcam.txt b/linux/Documentation/video4linux/CQcam.txt index 464e4cec9..ade8651e2 100644 --- a/linux/Documentation/video4linux/CQcam.txt +++ b/linux/Documentation/video4linux/CQcam.txt @@ -185,207 +185,10 @@ this work is documented at the video4linux2 site listed below. 9.0 --- A sample program using v4lgrabber, -This program is a simple image grabber that will copy a frame from the +v4lgrab is a simple image grabber that will copy a frame from the first video device, /dev/video0 to standard output in portable pixmap -format (.ppm) Using this like: 'v4lgrab | convert - c-qcam.jpg' -produced this picture of me at - http://mug.sys.virginia.edu/~drf5n/extras/c-qcam.jpg - --------------------- 8< ---------------- 8< ----------------------------- - -/* Simple Video4Linux image grabber. */ -/* - * Video4Linux Driver Test/Example Framegrabbing Program - * - * Compile with: - * gcc -s -Wall -Wstrict-prototypes v4lgrab.c -o v4lgrab - * Use as: - * v4lgrab >image.ppm - * - * Copyright (C) 1998-05-03, Phil Blundell <philb@gnu.org> - * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c - * with minor modifications (Dave Forrest, drf5n@virginia.edu). - * - */ - -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <stdio.h> -#include <sys/ioctl.h> -#include <stdlib.h> - -#include <linux/types.h> -#include <linux/videodev.h> - -#define FILE "/dev/video0" - -/* Stole this from tvset.c */ - -#define READ_VIDEO_PIXEL(buf, format, depth, r, g, b) \ -{ \ - switch (format) \ - { \ - case VIDEO_PALETTE_GREY: \ - switch (depth) \ - { \ - case 4: \ - case 6: \ - case 8: \ - (r) = (g) = (b) = (*buf++ << 8);\ - break; \ - \ - case 16: \ - (r) = (g) = (b) = \ - *((unsigned short *) buf); \ - buf += 2; \ - break; \ - } \ - break; \ - \ - \ - case VIDEO_PALETTE_RGB565: \ - { \ - unsigned short tmp = *(unsigned short *)buf; \ - (r) = tmp&0xF800; \ - (g) = (tmp<<5)&0xFC00; \ - (b) = (tmp<<11)&0xF800; \ - buf += 2; \ - } \ - break; \ - \ - case VIDEO_PALETTE_RGB555: \ - (r) = (buf[0]&0xF8)<<8; \ - (g) = ((buf[0] << 5 | buf[1] >> 3)&0xF8)<<8; \ - (b) = ((buf[1] << 2 ) & 0xF8)<<8; \ - buf += 2; \ - break; \ - \ - case VIDEO_PALETTE_RGB24: \ - (r) = buf[0] << 8; (g) = buf[1] << 8; \ - (b) = buf[2] << 8; \ - buf += 3; \ - break; \ - \ - default: \ - fprintf(stderr, \ - "Format %d not yet supported\n", \ - format); \ - } \ -} - -int get_brightness_adj(unsigned char *image, long size, int *brightness) { - long i, tot = 0; - for (i=0;i<size*3;i++) - tot += image[i]; - *brightness = (128 - tot/(size*3))/3; - return !((tot/(size*3)) >= 126 && (tot/(size*3)) <= 130); -} - -int main(int argc, char ** argv) -{ - int fd = open(FILE, O_RDONLY), f; - struct video_capability cap; - struct video_window win; - struct video_picture vpic; - - unsigned char *buffer, *src; - int bpp = 24, r, g, b; - unsigned int i, src_depth; - - if (fd < 0) { - perror(FILE); - exit(1); - } - - if (ioctl(fd, VIDIOCGCAP, &cap) < 0) { - perror("VIDIOGCAP"); - fprintf(stderr, "(" FILE " not a video4linux device?)\n"); - close(fd); - exit(1); - } - - if (ioctl(fd, VIDIOCGWIN, &win) < 0) { - perror("VIDIOCGWIN"); - close(fd); - exit(1); - } - - if (ioctl(fd, VIDIOCGPICT, &vpic) < 0) { - perror("VIDIOCGPICT"); - close(fd); - exit(1); - } - - if (cap.type & VID_TYPE_MONOCHROME) { - vpic.depth=8; - vpic.palette=VIDEO_PALETTE_GREY; /* 8bit grey */ - if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { - vpic.depth=6; - if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { - vpic.depth=4; - if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { - fprintf(stderr, "Unable to find a supported capture format.\n"); - close(fd); - exit(1); - } - } - } - } else { - vpic.depth=24; - vpic.palette=VIDEO_PALETTE_RGB24; - - if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { - vpic.palette=VIDEO_PALETTE_RGB565; - vpic.depth=16; - - if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { - vpic.palette=VIDEO_PALETTE_RGB555; - vpic.depth=15; - - if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { - fprintf(stderr, "Unable to find a supported capture format.\n"); - return -1; - } - } - } - } - - buffer = malloc(win.width * win.height * bpp); - if (!buffer) { - fprintf(stderr, "Out of memory.\n"); - exit(1); - } - - do { - int newbright; - read(fd, buffer, win.width * win.height * bpp); - f = get_brightness_adj(buffer, win.width * win.height, &newbright); - if (f) { - vpic.brightness += (newbright << 8); - if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { - perror("VIDIOSPICT"); - break; - } - } - } while (f); - - fprintf(stdout, "P6\n%d %d 255\n", win.width, win.height); - - src = buffer; - - for (i = 0; i < win.width * win.height; i++) { - READ_VIDEO_PIXEL(src, vpic.palette, src_depth, r, g, b); - fputc(r>>8, stdout); - fputc(g>>8, stdout); - fputc(b>>8, stdout); - } - - close(fd); - return 0; -} --------------------- 8< ---------------- 8< ----------------------------- +format (.ppm) To produce .jpg output, you can use it like this: +'v4lgrab | convert - c-qcam.jpg' 10.0 --- Other Information diff --git a/linux/Documentation/video4linux/v4lgrab.c b/linux/Documentation/video4linux/v4lgrab.c new file mode 100644 index 000000000..079b62848 --- /dev/null +++ b/linux/Documentation/video4linux/v4lgrab.c @@ -0,0 +1,192 @@ +/* Simple Video4Linux image grabber. */ +/* + * Video4Linux Driver Test/Example Framegrabbing Program + * + * Compile with: + * gcc -s -Wall -Wstrict-prototypes v4lgrab.c -o v4lgrab + * Use as: + * v4lgrab >image.ppm + * + * Copyright (C) 1998-05-03, Phil Blundell <philb@gnu.org> + * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c + * with minor modifications (Dave Forrest, drf5n@virginia.edu). + * + */ + +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdio.h> +#include <sys/ioctl.h> +#include <stdlib.h> + +#include <linux/types.h> +#include <linux/videodev.h> + +#define FILE "/dev/video0" + +/* Stole this from tvset.c */ + +#define READ_VIDEO_PIXEL(buf, format, depth, r, g, b) \ +{ \ + switch (format) \ + { \ + case VIDEO_PALETTE_GREY: \ + switch (depth) \ + { \ + case 4: \ + case 6: \ + case 8: \ + (r) = (g) = (b) = (*buf++ << 8);\ + break; \ + \ + case 16: \ + (r) = (g) = (b) = \ + *((unsigned short *) buf); \ + buf += 2; \ + break; \ + } \ + break; \ + \ + \ + case VIDEO_PALETTE_RGB565: \ + { \ + unsigned short tmp = *(unsigned short *)buf; \ + (r) = tmp&0xF800; \ + (g) = (tmp<<5)&0xFC00; \ + (b) = (tmp<<11)&0xF800; \ + buf += 2; \ + } \ + break; \ + \ + case VIDEO_PALETTE_RGB555: \ + (r) = (buf[0]&0xF8)<<8; \ + (g) = ((buf[0] << 5 | buf[1] >> 3)&0xF8)<<8; \ + (b) = ((buf[1] << 2 ) & 0xF8)<<8; \ + buf += 2; \ + break; \ + \ + case VIDEO_PALETTE_RGB24: \ + (r) = buf[0] << 8; (g) = buf[1] << 8; \ + (b) = buf[2] << 8; \ + buf += 3; \ + break; \ + \ + default: \ + fprintf(stderr, \ + "Format %d not yet supported\n", \ + format); \ + } \ +} + +int get_brightness_adj(unsigned char *image, long size, int *brightness) { + long i, tot = 0; + for (i=0;i<size*3;i++) + tot += image[i]; + *brightness = (128 - tot/(size*3))/3; + return !((tot/(size*3)) >= 126 && (tot/(size*3)) <= 130); +} + +int main(int argc, char ** argv) +{ + int fd = open(FILE, O_RDONLY), f; + struct video_capability cap; + struct video_window win; + struct video_picture vpic; + + unsigned char *buffer, *src; + int bpp = 24, r, g, b; + unsigned int i, src_depth; + + if (fd < 0) { + perror(FILE); + exit(1); + } + + if (ioctl(fd, VIDIOCGCAP, &cap) < 0) { + perror("VIDIOGCAP"); + fprintf(stderr, "(" FILE " not a video4linux device?)\n"); + close(fd); + exit(1); + } + + if (ioctl(fd, VIDIOCGWIN, &win) < 0) { + perror("VIDIOCGWIN"); + close(fd); + exit(1); + } + + if (ioctl(fd, VIDIOCGPICT, &vpic) < 0) { + perror("VIDIOCGPICT"); + close(fd); + exit(1); + } + + if (cap.type & VID_TYPE_MONOCHROME) { + vpic.depth=8; + vpic.palette=VIDEO_PALETTE_GREY; /* 8bit grey */ + if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { + vpic.depth=6; + if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { + vpic.depth=4; + if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { + fprintf(stderr, "Unable to find a supported capture format.\n"); + close(fd); + exit(1); + } + } + } + } else { + vpic.depth=24; + vpic.palette=VIDEO_PALETTE_RGB24; + + if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { + vpic.palette=VIDEO_PALETTE_RGB565; + vpic.depth=16; + + if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { + vpic.palette=VIDEO_PALETTE_RGB555; + vpic.depth=15; + + if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { + fprintf(stderr, "Unable to find a supported capture format.\n"); + return -1; + } + } + } + } + + buffer = malloc(win.width * win.height * bpp); + if (!buffer) { + fprintf(stderr, "Out of memory.\n"); + exit(1); + } + + do { + int newbright; + read(fd, buffer, win.width * win.height * bpp); + f = get_brightness_adj(buffer, win.width * win.height, &newbright); + if (f) { + vpic.brightness += (newbright << 8); + if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { + perror("VIDIOSPICT"); + break; + } + } + } while (f); + + fprintf(stdout, "P6\n%d %d 255\n", win.width, win.height); + + src = buffer; + + for (i = 0; i < win.width * win.height; i++) { + READ_VIDEO_PIXEL(src, vpic.palette, src_depth, r, g, b); + fputc(r>>8, stdout); + fputc(g>>8, stdout); + fputc(b>>8, stdout); + } + + close(fd); + return 0; +} diff --git a/linux/drivers/media/video/Kconfig b/linux/drivers/media/video/Kconfig index e7cc79c6e..134af1cad 100644 --- a/linux/drivers/media/video/Kconfig +++ b/linux/drivers/media/video/Kconfig @@ -363,6 +363,15 @@ config VIDEO_CS53L32A To compile this driver as a module, choose M here: the module will be called cs53l32a. +config VIDEO_TLV320AIC23B + tristate "Texas Instruments TLV320AIC23B audio codec" + depends on VIDEO_DEV && I2C && EXPERIMENTAL + ---help--- + Support for the Texas Instruments TLV320AIC23B audio codec. + + To compile this driver as a module, choose M here: the + module will be called tlv320aic23b. + config VIDEO_WM8775 tristate "Wolfson Microelectronics WM8775 audio ADC with input mixer" depends on VIDEO_DEV && I2C && EXPERIMENTAL diff --git a/linux/drivers/media/video/Makefile b/linux/drivers/media/video/Makefile index ad54ecdd7..44f84166f 100644 --- a/linux/drivers/media/video/Makefile +++ b/linux/drivers/media/video/Makefile @@ -50,6 +50,7 @@ obj-$(CONFIG_VIDEO_EM28XX) += tvp5150.o obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2/ obj-$(CONFIG_VIDEO_MSP3400) += msp3400.o obj-$(CONFIG_VIDEO_CS53L32A) += cs53l32a.o +obj-$(CONFIG_VIDEO_TLV320AIC23B) += tlv320aic23b.o obj-$(CONFIG_VIDEO_WM8775) += wm8775.o obj-$(CONFIG_VIDEO_WM8739) += wm8739.o obj-$(CONFIG_VIDEO_OVCAMCHIP) += ovcamchip/ diff --git a/linux/drivers/media/video/cx25840/cx25840-core.c b/linux/drivers/media/video/cx25840/cx25840-core.c index a9cfd098d..f0eab8352 100644 --- a/linux/drivers/media/video/cx25840/cx25840-core.c +++ b/linux/drivers/media/video/cx25840/cx25840-core.c @@ -10,6 +10,9 @@ * * VBI support by Hans Verkuil <hverkuil@xs4all.nl>. * + * NTSC sliced VBI support by Christopher Neufeld <television@cneufeld.ca> + * with additional fixes by Hans Verkuil <hverkuil@xs4all.nl>. + * * 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 @@ -1003,6 +1006,7 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address, state->audclk_freq = 48000; state->pvr150_workaround = 0; state->audmode = V4L2_TUNER_MODE_LANG1; + state->vbi_line_offset = 8; state->id = id; if (state->is_cx25836) diff --git a/linux/drivers/media/video/cx25840/cx25840-core.h b/linux/drivers/media/video/cx25840/cx25840-core.h index fe3d1ece1..87226a1a3 100644 --- a/linux/drivers/media/video/cx25840/cx25840-core.h +++ b/linux/drivers/media/video/cx25840/cx25840-core.h @@ -41,6 +41,7 @@ struct cx25840_state { enum cx25840_audio_input aud_input; u32 audclk_freq; int audmode; + int vbi_line_offset; enum v4l2_chip_ident id; int is_cx25836; }; diff --git a/linux/drivers/media/video/cx25840/cx25840-vbi.c b/linux/drivers/media/video/cx25840/cx25840-vbi.c index 658fcb260..a998760c8 100644 --- a/linux/drivers/media/video/cx25840/cx25840-vbi.c +++ b/linux/drivers/media/video/cx25840/cx25840-vbi.c @@ -85,6 +85,7 @@ static int decode_vps(u8 * dst, u8 * p) void cx25840_vbi_setup(struct i2c_client *client) { + struct cx25840_state *state = i2c_get_clientdata(client); v4l2_std_id std = cx25840_get_v4lstd(client); if (std & ~V4L2_STD_NTSC) { @@ -118,6 +119,7 @@ void cx25840_vbi_setup(struct i2c_client *client) cx25840_write(client, 0x47e, 0x0a); cx25840_write(client, 0x47f, 0x01); + state->vbi_line_offset = 5; } else { /* datasheet startup, step 8d */ cx25840_write(client, 0x49f, 0x14); @@ -141,11 +143,13 @@ void cx25840_vbi_setup(struct i2c_client *client) cx25840_write(client, 0x47d, 0x7c); cx25840_write(client, 0x47e, 0x08); cx25840_write(client, 0x47f, 0x00); + state->vbi_line_offset = 8; } } int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) { + struct cx25840_state *state = i2c_get_clientdata(client); struct v4l2_format *fmt; struct v4l2_sliced_vbi_format *svbi; @@ -212,7 +216,7 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) cx25840_vbi_setup(client); /* Sliced VBI */ - cx25840_write(client, 0x404, 0x36); /* Ancillery data */ + cx25840_write(client, 0x404, 0x32); /* Ancillary data */ cx25840_write(client, 0x406, 0x13); cx25840_write(client, 0x47f, vbi_offset); @@ -249,8 +253,18 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) } } - for (x = 1, i = 0x424; i <= 0x434; i++, x++) { - cx25840_write(client, i, lcr[6 + x]); + if (is_pal) { + for (x = 1, i = 0x424; i <= 0x434; i++, x++) { + cx25840_write(client, i, lcr[6 + x]); + } + } + else { + for (x = 1, i = 0x424; i <= 0x430; i++, x++) { + cx25840_write(client, i, lcr[9 + x]); + } + for (i = 0x431; i <= 0x434; i++) { + cx25840_write(client, i, 0); + } } cx25840_write(client, 0x43c, 0x16); @@ -258,7 +272,7 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) if (is_pal) { cx25840_write(client, 0x474, 0x2a); } else { - cx25840_write(client, 0x474, 0x1a + 6); + cx25840_write(client, 0x474, 0x22); } break; } @@ -279,7 +293,7 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) id1 = p[-1]; id2 = p[0] & 0xf; l = p[2] & 0x3f; - l += 5; + l += state->vbi_line_offset; p += 4; switch (id2) { diff --git a/linux/drivers/media/video/cx88/cx88-cards.c b/linux/drivers/media/video/cx88/cx88-cards.c index 06dd9f282..e09b3c37e 100644 --- a/linux/drivers/media/video/cx88/cx88-cards.c +++ b/linux/drivers/media/video/cx88/cx88-cards.c @@ -1051,11 +1051,7 @@ struct cx88_board cx88_boards[] = { .dvb = 1, }, [CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT] = { - /* FIXME: Standard video using the cx88 broadcast decoder is - * working, but blackbird isn't working yet, audio is only - * working correctly for television mode. S-Video and Composite - * are working for video-only, so I have them disabled for now. - */ + /* FIXME: Audio not working for s-video / composite inputs. */ .name = "KWorld HardwareMpegTV XPert", .tuner_type = TUNER_PHILIPS_TDA8290, .radio_type = UNSET, @@ -1066,7 +1062,6 @@ struct cx88_board cx88_boards[] = { .vmux = 0, .gpio0 = 0x3de2, .gpio2 = 0x00ff, -#if 0 },{ .type = CX88_VMUX_COMPOSITE1, .vmux = 1, @@ -1075,7 +1070,6 @@ struct cx88_board cx88_boards[] = { .type = CX88_VMUX_SVIDEO, .vmux = 2, .gpio0 = 0x3de6, -#endif }}, .radio = { .type = CX88_RADIO, diff --git a/linux/drivers/media/video/tlv320aic23b.c b/linux/drivers/media/video/tlv320aic23b.c new file mode 100644 index 000000000..4721d6f93 --- /dev/null +++ b/linux/drivers/media/video/tlv320aic23b.c @@ -0,0 +1,250 @@ +/* + * tlv320aic23b - driver version 0.0.1 + * + * Copyright (C) 2006 Scott Alfter <salfter@ssai.us> + * + * Based on wm8775 driver + * + * Copyright (C) 2004 Ulf Eklund <ivtv at eklund.to> + * Copyright (C) 2005 Hans Verkuil <hverkuil@xs4all.nl> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "compat.h" +#include <linux/module.h> +#include <linux/types.h> +#include <linux/ioctl.h> +#include <asm/uaccess.h> +#include <linux/i2c.h> +#include <linux/i2c-id.h> +#include <linux/videodev.h> +#include <media/v4l2-common.h> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +#include "i2c-compat.h" +#include <linux/slab.h> +#endif + +MODULE_DESCRIPTION("tlv320aic23b driver"); +MODULE_AUTHOR("Scott Alfter, Ulf Eklund, Hans Verkuil"); +MODULE_LICENSE("GPL"); + +static unsigned short normal_i2c[] = { 0x34 >> 1, I2C_CLIENT_END }; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) +static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; +#endif + +I2C_CLIENT_INSMOD; + +/* ----------------------------------------------------------------------- */ + +struct tlv320aic23b_state { + u8 muted; +}; + +static int tlv320aic23b_write(struct i2c_client *client, int reg, u16 val) +{ + int i; + + if ((reg < 0 || reg > 9) && (reg != 15)) { + v4l_err(client, "Invalid register R%d\n", reg); + return -1; + } + + for (i = 0; i < 3; i++) { + if (i2c_smbus_write_byte_data(client, (reg << 1) | + (val >> 8), val & 0xff) == 0) { + return 0; + } + } + v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg); + return -1; +} + +static int tlv320aic23b_command(struct i2c_client *client, unsigned int cmd, + void *arg) +{ + struct tlv320aic23b_state *state = i2c_get_clientdata(client); + struct v4l2_control *ctrl = arg; + u32* freq = arg; + + switch (cmd) { + case VIDIOC_INT_AUDIO_CLOCK_FREQ: + switch (*freq) { + case 32000: /* set sample rate to 32 kHz */ + tlv320aic23b_write(client, 8, 0x018); + break; + case 44100: /* set sample rate to 44.1 kHz */ + tlv320aic23b_write(client, 8, 0x022); + break; + case 48000: /* set sample rate to 48 kHz */ + tlv320aic23b_write(client, 8, 0x000); + break; + default: + return -EINVAL; + } + break; + + case VIDIOC_G_CTRL: + if (ctrl->id != V4L2_CID_AUDIO_MUTE) + return -EINVAL; + ctrl->value = state->muted; + break; + + case VIDIOC_S_CTRL: + if (ctrl->id != V4L2_CID_AUDIO_MUTE) + return -EINVAL; + state->muted = ctrl->value; + tlv320aic23b_write(client, 0, 0x180); /* mute both channels */ + /* set gain on both channels to +3.0 dB */ + if (!state->muted) + tlv320aic23b_write(client, 0, 0x119); + break; + + case VIDIOC_LOG_STATUS: + v4l_info(client, "Input: %s\n", + state->muted ? "muted" : "active"); + break; + + default: + return -EINVAL; + } + return 0; +} + +/* ----------------------------------------------------------------------- */ + +/* i2c implementation */ + +/* + * Generic i2c probe + * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' + */ + +static struct i2c_driver i2c_driver; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) +static int tlv320aic23b_attach(struct i2c_adapter *adapter, int address, int kind) +#else +static int tlv320aic23b_attach(struct i2c_adapter *adapter, int address, + unsigned short flags, int kind) +#endif +{ + struct i2c_client *client; + struct tlv320aic23b_state *state; + + /* Check if the adapter supports the needed features */ + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == 0) + return -ENOMEM; + + client->addr = address; + client->adapter = adapter; + client->driver = &i2c_driver; +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15) + client->flags = I2C_CLIENT_ALLOW_USE; +#endif + snprintf(client->name, sizeof(client->name) - 1, "tlv320aic23b"); + + v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); + + state = kmalloc(sizeof(struct tlv320aic23b_state), GFP_KERNEL); + if (state == NULL) { + kfree(client); + return -ENOMEM; + } + state->muted = 0; + i2c_set_clientdata(client, state); + + /* initialize tlv320aic23b */ + tlv320aic23b_write(client, 15, 0x000); /* RESET */ + tlv320aic23b_write(client, 6, 0x00A); /* turn off DAC & mic input */ + tlv320aic23b_write(client, 7, 0x049); /* left-justified, 24-bit, master mode */ + tlv320aic23b_write(client, 0, 0x119); /* set gain on both channels to +3.0 dB */ + tlv320aic23b_write(client, 8, 0x000); /* set sample rate to 48 kHz */ + tlv320aic23b_write(client, 9, 0x001); /* activate digital interface */ + + i2c_attach_client(client); + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + MOD_INC_USE_COUNT; +#endif + return 0; +} + +static int tlv320aic23b_probe(struct i2c_adapter *adapter) +{ + if (adapter->class & I2C_CLASS_TV_ANALOG) + return i2c_probe(adapter, &addr_data, tlv320aic23b_attach); + return 0; +} + +static int tlv320aic23b_detach(struct i2c_client *client) +{ + int err; + + err = i2c_detach_client(client); + if (err) { + return err; + } + kfree(client); + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + MOD_DEC_USE_COUNT; +#endif + return 0; +} + +/* ----------------------------------------------------------------------- */ + +/* i2c implementation */ +static struct i2c_driver i2c_driver = { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))&&(LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)) + .owner = THIS_MODULE, +#endif +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15) + .name = "tlv320aic23b", + .flags = I2C_DF_NOTIFY, +#else + .driver = { + .name = "tlv320aic23b", + }, +#endif + .id = I2C_DRIVERID_TLV320AIC23B, + .attach_adapter = tlv320aic23b_probe, + .detach_client = tlv320aic23b_detach, + .command = tlv320aic23b_command, +}; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +EXPORT_NO_SYMBOLS; +#endif + +static int __init tlv320aic23b_init_module(void) +{ + return i2c_add_driver(&i2c_driver); +} + +static void __exit tlv320aic23b_cleanup_module(void) +{ + i2c_del_driver(&i2c_driver); +} + +module_init(tlv320aic23b_init_module); +module_exit(tlv320aic23b_cleanup_module); diff --git a/linux/include/linux/i2c-id.h b/linux/include/linux/i2c-id.h index 748bbf7c3..21338bb34 100644 --- a/linux/include/linux/i2c-id.h +++ b/linux/include/linux/i2c-id.h @@ -114,6 +114,7 @@ #define I2C_DRIVERID_RS5C372 84 /* Ricoh RS5C372 RTC */ #define I2C_DRIVERID_BT866 85 /* Conexant bt866 video encoder */ #define I2C_DRIVERID_KS0127 86 /* Samsung ks0127 video decoder */ +#define I2C_DRIVERID_TLV320AIC23B 87 /* TI TLV320AIC23B audio codec */ #define I2C_DRIVERID_I2CDEV 900 #define I2C_DRIVERID_ARP 902 /* SMBus ARP Client */ diff --git a/linux/include/linux/videodev2.h b/linux/include/linux/videodev2.h index 5d46a8d2a..47e70ab7a 100644 --- a/linux/include/linux/videodev2.h +++ b/linux/include/linux/videodev2.h @@ -26,6 +26,7 @@ #endif #endif #endif +#include <linux/types.h> #include <linux/compiler.h> /* need __user */ diff --git a/v4l/versions.txt b/v4l/versions.txt index 89ceb1d5a..35cb44fc6 100644 --- a/v4l/versions.txt +++ b/v4l/versions.txt @@ -21,6 +21,7 @@ USB_PWC USB_PWC_DEBUG USB_ZC0301 VIDEO_ZORAN_AVS6EYES +VIDEO_TLV320AIC23B [2.6.14] VIDEO_ZORAN |