From 340622c5a9028d70b1238ecafb463125277a30eb Mon Sep 17 00:00:00 2001 From: Dwaine Garden Date: Tue, 8 Nov 2005 21:37:34 -0800 Subject: [PATCH] [PATCH] v4l: 789: added support for saa7113 - Added support for saa7113. Signed-off-by: Dwaine Garden Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/video/saa711x.c | 597 ++++++++++++++++++++++++++++++++++ 1 file changed, 597 insertions(+) create mode 100644 drivers/media/video/saa711x.c diff --git a/drivers/media/video/saa711x.c b/drivers/media/video/saa711x.c new file mode 100644 index 00000000000..37653ee8723 --- /dev/null +++ b/drivers/media/video/saa711x.c @@ -0,0 +1,597 @@ +/* + * saa7111 - Philips SAA7113A video decoder driver version 0.0.3 + * + * Copyright (C) 1998 Dave Perks + * + * Slight changes for video timing and attachment output by + * Wolfgang Scherr + * + * Changes by Ronald Bultje + * - moved over to linux>=2.4.x i2c protocol (1/1/2003) + * + * Changes by Michael Hunold + * - implemented DECODER_SET_GPIO, DECODER_INIT, DECODER_SET_VBI_BYPASS + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +MODULE_DESCRIPTION("Philips SAA7113 video decoder driver"); +MODULE_AUTHOR("Dave Perks, Jose Ignacio Gijon, Joerg Heckenbach, Mark McClelland, Dwaine Garden"); +MODULE_LICENSE("GPL"); + +#include +#include + +#define I2C_NAME(s) (s)->name + +#include + +static int debug = 0; +MODULE_PARM(debug, "i"); +MODULE_PARM_DESC(debug, " Set the default Debug level. Default: 0 (Off) - (0-1)"); + + +#define dprintk(num, format, args...) \ + do { \ + if (debug >= num) \ + printk(format , ##args); \ + } while (0) + +/* ----------------------------------------------------------------------- */ + +struct saa7113 { + unsigned char reg[32]; + + int norm; + int input; + int enable; + int bright; + int contrast; + int hue; + int sat; +}; + +#define I2C_SAA7113 0x4A + +/* ----------------------------------------------------------------------- */ + +static inline int +saa7113_write (struct i2c_client *client, + u8 reg, + u8 value) +{ + struct saa7113 *decoder = i2c_get_clientdata(client); + + decoder->reg[reg] = value; + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int +saa7113_write_block (struct i2c_client *client, + const u8 *data, + unsigned int len) +{ + int ret = -1; + u8 reg; + + /* the saa7113 has an autoincrement function, use it if + * the adapter understands raw I2C */ + if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + /* do raw I2C, not smbus compatible */ + struct saa7113 *decoder = i2c_get_clientdata(client); + struct i2c_msg msg; + u8 block_data[32]; + + msg.addr = client->addr; + msg.flags = 0; + while (len >= 2) { + msg.buf = (char *) block_data; + msg.len = 0; + block_data[msg.len++] = reg = data[0]; + do { + block_data[msg.len++] = + decoder->reg[reg++] = data[1]; + len -= 2; + data += 2; + } while (len >= 2 && data[0] == reg && + msg.len < 32); + if ((ret = i2c_transfer(client->adapter, + &msg, 1)) < 0) + break; + } + } else { + /* do some slow I2C emulation kind of thing */ + while (len >= 2) { + reg = *data++; + if ((ret = saa7113_write(client, reg, + *data++)) < 0) + break; + len -= 2; + } + } + + return ret; +} + +static int +saa7113_init_decoder (struct i2c_client *client, + struct video_decoder_init *init) +{ + return saa7113_write_block(client, init->data, init->len); +} + +static inline int +saa7113_read (struct i2c_client *client, + u8 reg) +{ + return i2c_smbus_read_byte_data(client, reg); +} + +/* ----------------------------------------------------------------------- */ + +static const unsigned char saa7113_i2c_init[] = { + 0x00, 0x00, /* PH7113_CHIP_VERSION 00 - ID byte */ + 0x01, 0x08, /* PH7113_INCREMENT_DELAY - (1) (1) (1) (1) IDEL3 IDEL2 IDELL1 IDEL0 */ + 0x02, 0xc0, /* PH7113_ANALOG_INPUT_CONTR_1 - FUSE1 FUSE0 GUDL1 GUDL0 MODE3 MODE2 MODE1 MODE0 */ + 0x03, 0x23, /* PH7113_ANALOG_INPUT_CONTR_2 - (1) HLNRS VBSL WPOFF HOLDG GAFIX GAI28 GAI18 */ + 0x04, 0x00, /* PH7113_ANALOG_INPUT_CONTR_3 - GAI17 GAI16 GAI15 GAI14 GAI13 GAI12 GAI11 GAI10 */ + 0x05, 0x00, /* PH7113_ANALOG_INPUT_CONTR_4 - GAI27 GAI26 GAI25 GAI24 GAI23 GAI22 GAI21 GAI20 */ + 0x06, 0xeb, /* PH7113_HORIZONTAL_SYNC_START - HSB7 HSB6 HSB5 HSB4 HSB3 HSB2 HSB1 HSB0 */ + 0x07, 0xe0, /* PH7113_HORIZONTAL_SYNC_STOP - HSS7 HSS6 HSS5 HSS4 HSS3 HSS2 HSS1 HSS0 */ + 0x08, 0x88, /* PH7113_SYNC_CONTROL - AUFD FSEL FOET HTC1 HTC0 HPLL VNOI1 VNOI0 */ + 0x09, 0x00, /* PH7113_LUMINANCE_CONTROL - BYPS PREF BPSS1 BPSS0 VBLB UPTCV APER1 APER0 */ + 0x0a, 0x80, /* PH7113_LUMINANCE_BRIGHTNESS - BRIG7 BRIG6 BRIG5 BRIG4 BRIG3 BRIG2 BRIG1 BRIG0 */ + 0x0b, 0x47, /* PH7113_LUMINANCE_CONTRAST - CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1 CONT0 */ + 0x0c, 0x40, /* PH7113_CHROMA_SATURATION - SATN7 SATN6 SATN5 SATN4 SATN3 SATN2 SATN1 SATN0 */ + 0x0d, 0x00, /* PH7113_CHROMA_HUE_CONTROL - HUEC7 HUEC6 HUEC5 HUEC4 HUEC3 HUEC2 HUEC1 HUEC0 */ + 0x0e, 0x01, /* PH7113_CHROMA_CONTROL - CDTO CSTD2 CSTD1 CSTD0 DCCF FCTC CHBW1 CHBW0 */ + 0x0f, 0xaa, /* PH7113_CHROMA_GAIN_CONTROL - ACGC CGAIN6 CGAIN5 CGAIN4 CGAIN3 CGAIN2 CGAIN1 CGAIN0 */ + 0x10, 0x00, /* PH7113_FORMAT_DELAY_CONTROL - OFTS1 OFTS0 HDEL1 HDEL0 VRLN YDEL2 YDEL1 YDEL0 */ + 0x11, 0x1C, /* PH7113_OUTPUT_CONTROL_1 - GPSW1 CM99 GPSW0 HLSEL OEYC OERT VIPB COLO */ + 0x12, 0x01, /* PH7113_OUTPUT_CONTROL_2 - RTSE13 RTSE12 RTSE11 RTSE10 RTSE03 RTSE02 RTSE01 RTSE00 */ + 0x13, 0x00, /* PH7113_OUTPUT_CONTROL_3 - ADLSB (1) (1) OLDSB FIDP (1) AOSL1 AOSL0 */ + 0x14, 0x00, /* RESERVED 14 - (1) (1) (1) (1) (1) (1) (1) (1) */ + 0x15, 0x00, /* PH7113_V_GATE1_START - VSTA7 VSTA6 VSTA5 VSTA4 VSTA3 VSTA2 VSTA1 VSTA0 */ + 0x16, 0x00, /* PH7113_V_GATE1_STOP - VSTO7 VSTO6 VSTO5 VSTO4 VSTO3 VSTO2 VSTO1 VSTO0 */ + 0x17, 0x00, /* PH7113_V_GATE1_MSB - (1) (1) (1) (1) (1) (1) VSTO8 VSTA8 */ +}; + +static int +saa7113_command (struct i2c_client *client, + unsigned int cmd, + void *arg) +{ + struct saa7113 *decoder = i2c_get_clientdata(client); + + switch (cmd) { + + case 0: + case DECODER_INIT: + { + struct video_decoder_init *init = arg; + if (NULL != init) + return saa7113_init_decoder(client, init); + else { + struct video_decoder_init vdi; + vdi.data = saa7113_i2c_init; + vdi.len = sizeof(saa7113_i2c_init); + return saa7113_init_decoder(client, &vdi); + } + } + + case DECODER_DUMP: + { + int i; + + for (i = 0; i < 32; i += 16) { + int j; + + printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i); + for (j = 0; j < 16; ++j) { + printk(" %02x", + saa7113_read(client, i + j)); + } + printk("\n"); + } + } + break; + + case DECODER_GET_CAPABILITIES: + { + struct video_decoder_capability *cap = arg; + + cap->flags = VIDEO_DECODER_PAL | + VIDEO_DECODER_NTSC | + VIDEO_DECODER_SECAM | + VIDEO_DECODER_AUTO | + VIDEO_DECODER_CCIR; + cap->inputs = 8; + cap->outputs = 1; + } + break; + + case DECODER_GET_STATUS: + { + int *iarg = arg; + int status; + int res; + + status = saa7113_read(client, 0x1f); + dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client), + status); + res = 0; + if ((status & (1 << 6)) == 0) { + res |= DECODER_STATUS_GOOD; + } + switch (decoder->norm) { + case VIDEO_MODE_NTSC: + res |= DECODER_STATUS_NTSC; + break; + case VIDEO_MODE_PAL: + res |= DECODER_STATUS_PAL; + break; + case VIDEO_MODE_SECAM: + res |= DECODER_STATUS_SECAM; + break; + default: + case VIDEO_MODE_AUTO: + if ((status & (1 << 5)) != 0) { + res |= DECODER_STATUS_NTSC; + } else { + res |= DECODER_STATUS_PAL; + } + break; + } + if ((status & (1 << 0)) != 0) { + res |= DECODER_STATUS_COLOR; + } + *iarg = res; + } + break; + + case DECODER_SET_GPIO: + { + int *iarg = arg; + if (0 != *iarg) { + saa7113_write(client, 0x11, + (decoder->reg[0x11] | 0x80)); + } else { + saa7113_write(client, 0x11, + (decoder->reg[0x11] & 0x7f)); + } + break; + } + + case DECODER_SET_VBI_BYPASS: + { + int *iarg = arg; + if (0 != *iarg) { + saa7113_write(client, 0x13, + (decoder->reg[0x13] & 0xf0) | 0x0a); + } else { + saa7113_write(client, 0x13, + (decoder->reg[0x13] & 0xf0)); + } + break; + } + + case DECODER_SET_NORM: + { + int *iarg = arg; + + switch (*iarg) { + + case VIDEO_MODE_NTSC: + saa7113_write(client, 0x08, + (decoder->reg[0x08] & 0x3f) | 0x40); + saa7113_write(client, 0x0e, + (decoder->reg[0x0e] & 0x8f)); + break; + + case VIDEO_MODE_PAL: + saa7113_write(client, 0x08, + (decoder->reg[0x08] & 0x3f) | 0x00); + saa7113_write(client, 0x0e, + (decoder->reg[0x0e] & 0x8f)); + break; + + case VIDEO_MODE_SECAM: + saa7113_write(client, 0x08, + (decoder->reg[0x0e] & 0x3f) | 0x00); + saa7113_write(client, 0x0e, + (decoder->reg[0x0e] & 0x8f) | 0x50); + break; + + case VIDEO_MODE_AUTO: + saa7113_write(client, 0x08, + (decoder->reg[0x08] & 0x3f) | 0x80); + saa7113_write(client, 0x0e, + (decoder->reg[0x0e] & 0x8f)); + break; + + default: + return -EINVAL; + + } + decoder->norm = *iarg; + } + break; + + case DECODER_SET_INPUT: + { + int *iarg = arg; + if (*iarg < 0 || *iarg > 9) { + return -EINVAL; + } + if (decoder->input != *iarg) { + decoder->input = *iarg; + /* select mode */ + saa7113_write(client, 0x02, + (decoder->reg[0x02] & 0xf0) | decoder->input); + /* bypass chrominance trap for modes 4..7 */ + saa7113_write(client, 0x09, + (decoder->reg[0x09] & 0x7f) | ((decoder->input > 3) ? 0x80 : 0)); + } + } + break; + + case DECODER_SET_OUTPUT: + { + int *iarg = arg; + + /* not much choice of outputs */ + if (*iarg != 0) { + return -EINVAL; + } + } + break; + + case DECODER_ENABLE_OUTPUT: + { + int *iarg = arg; + int enable = (*iarg != 0); + + if (decoder->enable != enable) { + decoder->enable = enable; + + /* RJ: If output should be disabled (for + * playing videos), we also need a open PLL. + * The input is set to 0 (where no input + * source is connected), although this + * is not necessary. + * + * If output should be enabled, we have to + * reverse the above. + */ + + if (decoder->enable) { + saa7113_write(client, 0x02, + (decoder-> + reg[0x02] & 0xf8) | + decoder->input); + saa7113_write(client, 0x08, + (decoder->reg[0x08] & 0xfb)); + saa7113_write(client, 0x11, + (decoder-> + reg[0x11] & 0xf3) | 0x0c); + } else { + saa7113_write(client, 0x02, + (decoder->reg[0x02] & 0xf8)); + saa7113_write(client, 0x08, + (decoder-> + reg[0x08] & 0xfb) | 0x04); + saa7113_write(client, 0x11, + (decoder->reg[0x11] & 0xf3)); + } + } + } + break; + + case DECODER_SET_PICTURE: + { + struct video_picture *pic = arg; + + if (decoder->bright != pic->brightness) { + /* We want 0 to 255 we get 0-65535 */ + decoder->bright = pic->brightness; + saa7113_write(client, 0x0a, decoder->bright >> 8); + } + if (decoder->contrast != pic->contrast) { + /* We want 0 to 127 we get 0-65535 */ + decoder->contrast = pic->contrast; + saa7113_write(client, 0x0b, + decoder->contrast >> 9); + } + if (decoder->sat != pic->colour) { + /* We want 0 to 127 we get 0-65535 */ + decoder->sat = pic->colour; + saa7113_write(client, 0x0c, decoder->sat >> 9); + } + if (decoder->hue != pic->hue) { + /* We want -128 to 127 we get 0-65535 */ + decoder->hue = pic->hue; + saa7113_write(client, 0x0d, + (decoder->hue - 32768) >> 8); + } + } + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +/* + * Generic i2c probe + * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' + */ + +/* standard i2c insmod options */ +static unsigned short normal_i2c[] = { + I2C_SAA7113>>1, /* saa7113 */ + I2C_CLIENT_END +}; + +I2C_CLIENT_INSMOD; + + +static struct i2c_driver i2c_driver_saa7113; + +static int +saa7113_detect_client (struct i2c_adapter *adapter, + int address, + int kind) +{ + int i; + struct i2c_client *client; + struct saa7113 *decoder; + struct video_decoder_init vdi; + + dprintk(1, + KERN_INFO + "saa7113.c: detecting saa7113 client on address 0x%x\n", + address << 1); + + /* Check if the adapter supports the needed features */ + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == 0) + return -ENOMEM; + memset(client, 0, sizeof(struct i2c_client)); + client->addr = address; + client->adapter = adapter; + client->driver = &i2c_driver_saa7113; + client->flags = I2C_CLIENT_ALLOW_USE; + strlcpy(I2C_NAME(client), "saa7113", sizeof(I2C_NAME(client))); + decoder = kmalloc(sizeof(struct saa7113), GFP_KERNEL); + if (decoder == NULL) { + kfree(client); + return -ENOMEM; + } + memset(decoder, 0, sizeof(struct saa7113)); + decoder->norm = VIDEO_MODE_NTSC; + decoder->input = 0; + decoder->enable = 1; + decoder->bright = 32768; + decoder->contrast = 32768; + decoder->hue = 32768; + decoder->sat = 32768; + i2c_set_clientdata(client, decoder); + + i = i2c_attach_client(client); + if (i) { + kfree(client); + kfree(decoder); + return i; + } + + vdi.data = saa7113_i2c_init; + vdi.len = sizeof(saa7113_i2c_init); + i = saa7113_init_decoder(client, &vdi); + if (i < 0) { + dprintk(1, KERN_ERR "%s_attach error: init status %d\n", + I2C_NAME(client), i); + } else { + dprintk(1, + KERN_INFO + "%s_attach: chip version %x at address 0x%x\n", + I2C_NAME(client), saa7113_read(client, 0x00) >> 4, + client->addr << 1); + } + + return 0; +} + +static int +saa7113_attach_adapter (struct i2c_adapter *adapter) +{ + dprintk(1, + KERN_INFO + "saa7113.c: starting probe for adapter %s (0x%x)\n", + I2C_NAME(adapter), adapter->id); + return i2c_probe(adapter, &addr_data, &saa7113_detect_client); +} + +static int +saa7113_detach_client (struct i2c_client *client) +{ + struct saa7113 *decoder = i2c_get_clientdata(client); + int err; + + err = i2c_detach_client(client); + if (err) { + return err; + } + + kfree(decoder); + kfree(client); + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static struct i2c_driver i2c_driver_saa7113 = { + .owner = THIS_MODULE, + .name = "saa7113", + + .id = I2C_DRIVERID_SAA7113, + .flags = I2C_DF_NOTIFY, + + .attach_adapter = saa7113_attach_adapter, + .detach_client = saa7113_detach_client, + .command = saa7113_command, +}; + +static int __init +saa7113_init (void) +{ + return i2c_add_driver(&i2c_driver_saa7113); +} + +static void __exit +saa7113_exit (void) +{ + i2c_del_driver(&i2c_driver_saa7113); +} + +module_init(saa7113_init); +module_exit(saa7113_exit); -- 2.20.1