diff options
Diffstat (limited to 'drivers/media/video/saa711x.c')
| -rw-r--r-- | drivers/media/video/saa711x.c | 584 |
1 files changed, 0 insertions, 584 deletions
diff --git a/drivers/media/video/saa711x.c b/drivers/media/video/saa711x.c deleted file mode 100644 index cedb988574b..00000000000 --- a/drivers/media/video/saa711x.c +++ /dev/null @@ -1,584 +0,0 @@ -/* - * saa711x - Philips SAA711x video decoder driver version 0.0.1 - * - * To do: Now, it handles only saa7113/7114. Should be improved to - * handle all Philips saa711x devices. - * - * Based on saa7113 driver from Dave Perks <dperks@ibm.net> - * - * 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 <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/major.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/signal.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <linux/types.h> -#include <asm/uaccess.h> -#include <linux/videodev.h> - -MODULE_DESCRIPTION("Philips SAA711x video decoder driver"); -MODULE_AUTHOR("Dave Perks, Jose Ignacio Gijon, Joerg Heckenbach, Mark McClelland, Dwaine Garden"); -MODULE_LICENSE("GPL"); - -#include <linux/i2c.h> - -#define I2C_NAME(s) (s)->name - -#include <linux/video_decoder.h> - -static int debug; -module_param(debug, int, 0644); -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 saa711x { - unsigned char reg[32]; - - int norm; - int input; - int enable; - int bright; - int contrast; - int hue; - int sat; -}; - -#define I2C_SAA7113 0x4A -#define I2C_SAA7114 0x42 - -/* ----------------------------------------------------------------------- */ - -static inline int -saa711x_write (struct i2c_client *client, - u8 reg, - u8 value) -{ - struct saa711x *decoder = i2c_get_clientdata(client); - - decoder->reg[reg] = value; - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int -saa711x_write_block (struct i2c_client *client, - const u8 *data, - unsigned int len) -{ - int ret = -1; - u8 reg; - - /* the saa711x 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 saa711x *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 = saa711x_write(client, reg, - *data++)) < 0) - break; - len -= 2; - } - } - - return ret; -} - -static int -saa711x_init_decoder (struct i2c_client *client, - struct video_decoder_init *init) -{ - return saa711x_write_block(client, init->data, init->len); -} - -static inline int -saa711x_read (struct i2c_client *client, - u8 reg) -{ - return i2c_smbus_read_byte_data(client, reg); -} - -/* ----------------------------------------------------------------------- */ - -static const unsigned char saa711x_i2c_init[] = { - 0x00, 0x00, /* PH711x_CHIP_VERSION 00 - ID byte */ - 0x01, 0x08, /* PH711x_INCREMENT_DELAY - (1) (1) (1) (1) IDEL3 IDEL2 IDELL1 IDEL0 */ - 0x02, 0xc0, /* PH711x_ANALOG_INPUT_CONTR_1 - FUSE1 FUSE0 GUDL1 GUDL0 MODE3 MODE2 MODE1 MODE0 */ - 0x03, 0x23, /* PH711x_ANALOG_INPUT_CONTR_2 - (1) HLNRS VBSL WPOFF HOLDG GAFIX GAI28 GAI18 */ - 0x04, 0x00, /* PH711x_ANALOG_INPUT_CONTR_3 - GAI17 GAI16 GAI15 GAI14 GAI13 GAI12 GAI11 GAI10 */ - 0x05, 0x00, /* PH711x_ANALOG_INPUT_CONTR_4 - GAI27 GAI26 GAI25 GAI24 GAI23 GAI22 GAI21 GAI20 */ - 0x06, 0xeb, /* PH711x_HORIZONTAL_SYNC_START - HSB7 HSB6 HSB5 HSB4 HSB3 HSB2 HSB1 HSB0 */ - 0x07, 0xe0, /* PH711x_HORIZONTAL_SYNC_STOP - HSS7 HSS6 HSS5 HSS4 HSS3 HSS2 HSS1 HSS0 */ - 0x08, 0x88, /* PH711x_SYNC_CONTROL - AUFD FSEL FOET HTC1 HTC0 HPLL VNOI1 VNOI0 */ - 0x09, 0x00, /* PH711x_LUMINANCE_CONTROL - BYPS PREF BPSS1 BPSS0 VBLB UPTCV APER1 APER0 */ - 0x0a, 0x80, /* PH711x_LUMINANCE_BRIGHTNESS - BRIG7 BRIG6 BRIG5 BRIG4 BRIG3 BRIG2 BRIG1 BRIG0 */ - 0x0b, 0x47, /* PH711x_LUMINANCE_CONTRAST - CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1 CONT0 */ - 0x0c, 0x40, /* PH711x_CHROMA_SATURATION - SATN7 SATN6 SATN5 SATN4 SATN3 SATN2 SATN1 SATN0 */ - 0x0d, 0x00, /* PH711x_CHROMA_HUE_CONTROL - HUEC7 HUEC6 HUEC5 HUEC4 HUEC3 HUEC2 HUEC1 HUEC0 */ - 0x0e, 0x01, /* PH711x_CHROMA_CONTROL - CDTO CSTD2 CSTD1 CSTD0 DCCF FCTC CHBW1 CHBW0 */ - 0x0f, 0xaa, /* PH711x_CHROMA_GAIN_CONTROL - ACGC CGAIN6 CGAIN5 CGAIN4 CGAIN3 CGAIN2 CGAIN1 CGAIN0 */ - 0x10, 0x00, /* PH711x_FORMAT_DELAY_CONTROL - OFTS1 OFTS0 HDEL1 HDEL0 VRLN YDEL2 YDEL1 YDEL0 */ - 0x11, 0x1C, /* PH711x_OUTPUT_CONTROL_1 - GPSW1 CM99 GPSW0 HLSEL OEYC OERT VIPB COLO */ - 0x12, 0x01, /* PH711x_OUTPUT_CONTROL_2 - RTSE13 RTSE12 RTSE11 RTSE10 RTSE03 RTSE02 RTSE01 RTSE00 */ - 0x13, 0x00, /* PH711x_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, /* PH711x_V_GATE1_START - VSTA7 VSTA6 VSTA5 VSTA4 VSTA3 VSTA2 VSTA1 VSTA0 */ - 0x16, 0x00, /* PH711x_V_GATE1_STOP - VSTO7 VSTO6 VSTO5 VSTO4 VSTO3 VSTO2 VSTO1 VSTO0 */ - 0x17, 0x00, /* PH711x_V_GATE1_MSB - (1) (1) (1) (1) (1) (1) VSTO8 VSTA8 */ -}; - -static int -saa711x_command (struct i2c_client *client, - unsigned int cmd, - void *arg) -{ - struct saa711x *decoder = i2c_get_clientdata(client); - - switch (cmd) { - - case 0: - case DECODER_INIT: - { - struct video_decoder_init *init = arg; - if (NULL != init) - return saa711x_init_decoder(client, init); - else { - struct video_decoder_init vdi; - vdi.data = saa711x_i2c_init; - vdi.len = sizeof(saa711x_i2c_init); - return saa711x_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", - saa711x_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 = saa711x_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) { - saa711x_write(client, 0x11, - (decoder->reg[0x11] | 0x80)); - } else { - saa711x_write(client, 0x11, - (decoder->reg[0x11] & 0x7f)); - } - break; - } - - case DECODER_SET_VBI_BYPASS: - { - int *iarg = arg; - if (0 != *iarg) { - saa711x_write(client, 0x13, - (decoder->reg[0x13] & 0xf0) | 0x0a); - } else { - saa711x_write(client, 0x13, - (decoder->reg[0x13] & 0xf0)); - } - break; - } - - case DECODER_SET_NORM: - { - int *iarg = arg; - - switch (*iarg) { - - case VIDEO_MODE_NTSC: - saa711x_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x40); - saa711x_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f)); - break; - - case VIDEO_MODE_PAL: - saa711x_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x00); - saa711x_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f)); - break; - - case VIDEO_MODE_SECAM: - saa711x_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x00); - saa711x_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f) | 0x50); - break; - - case VIDEO_MODE_AUTO: - saa711x_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x80); - saa711x_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 */ - saa711x_write(client, 0x02, - (decoder->reg[0x02] & 0xf0) | decoder->input); - /* bypass chrominance trap for modes 4..7 */ - saa711x_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) { - saa711x_write(client, 0x02, - (decoder-> - reg[0x02] & 0xf8) | - decoder->input); - saa711x_write(client, 0x08, - (decoder->reg[0x08] & 0xfb)); - saa711x_write(client, 0x11, - (decoder-> - reg[0x11] & 0xf3) | 0x0c); - } else { - saa711x_write(client, 0x02, - (decoder->reg[0x02] & 0xf8)); - saa711x_write(client, 0x08, - (decoder-> - reg[0x08] & 0xfb) | 0x04); - saa711x_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; - saa711x_write(client, 0x0a, decoder->bright >> 8); - } - if (decoder->contrast != pic->contrast) { - /* We want 0 to 127 we get 0-65535 */ - decoder->contrast = pic->contrast; - saa711x_write(client, 0x0b, - decoder->contrast >> 9); - } - if (decoder->sat != pic->colour) { - /* We want 0 to 127 we get 0-65535 */ - decoder->sat = pic->colour; - saa711x_write(client, 0x0c, decoder->sat >> 9); - } - if (decoder->hue != pic->hue) { - /* We want -128 to 127 we get 0-65535 */ - decoder->hue = pic->hue; - saa711x_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_SAA7114>>1, /* saa7114 */ - I2C_CLIENT_END -}; - -I2C_CLIENT_INSMOD; - - -static struct i2c_driver i2c_driver_saa711x; - -static int -saa711x_detect_client (struct i2c_adapter *adapter, - int address, - int kind) -{ - int i; - struct i2c_client *client; - struct saa711x *decoder; - struct video_decoder_init vdi; - - dprintk(1, - KERN_INFO - "saa711x.c: detecting saa711x 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 = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == 0) - return -ENOMEM; - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver_saa711x; - strlcpy(I2C_NAME(client), "saa711x", sizeof(I2C_NAME(client))); - decoder = kzalloc(sizeof(struct saa711x), GFP_KERNEL); - if (decoder == NULL) { - kfree(client); - return -ENOMEM; - } - 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 = saa711x_i2c_init; - vdi.len = sizeof(saa711x_i2c_init); - i = saa711x_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), saa711x_read(client, 0x00) >> 4, - client->addr << 1); - } - - return 0; -} - -static int -saa711x_attach_adapter (struct i2c_adapter *adapter) -{ - dprintk(1, - KERN_INFO - "saa711x.c: starting probe for adapter %s (0x%x)\n", - I2C_NAME(adapter), adapter->id); - return i2c_probe(adapter, &addr_data, &saa711x_detect_client); -} - -static int -saa711x_detach_client (struct i2c_client *client) -{ - struct saa711x *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_saa711x = { - .driver = { - .name = "saa711x", - }, - .id = I2C_DRIVERID_SAA711X, - .attach_adapter = saa711x_attach_adapter, - .detach_client = saa711x_detach_client, - .command = saa711x_command, -}; - -static int __init -saa711x_init (void) -{ - return i2c_add_driver(&i2c_driver_saa711x); -} - -static void __exit -saa711x_exit (void) -{ - i2c_del_driver(&i2c_driver_saa711x); -} - -module_init(saa711x_init); -module_exit(saa711x_exit); |