diff options
Diffstat (limited to 'drivers/media/video/saa7110.c')
| -rw-r--r-- | drivers/media/video/saa7110.c | 604 |
1 files changed, 0 insertions, 604 deletions
diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c deleted file mode 100644 index 4aa82b31070..00000000000 --- a/drivers/media/video/saa7110.c +++ /dev/null @@ -1,604 +0,0 @@ -/* - * saa7110 - Philips SAA7110(A) video decoder driver - * - * Copyright (C) 1998 Pauline Middelink <middelin@polyware.nl> - * - * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> - * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> - * - some corrections for Pinnacle Systems Inc. DC10plus card. - * - * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> - * - moved over to linux>=2.4.x i2c protocol (1/1/2003) - * - * 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/types.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/wait.h> -#include <asm/io.h> -#include <asm/uaccess.h> - -MODULE_DESCRIPTION("Philips SAA7110 video decoder driver"); -MODULE_AUTHOR("Pauline Middelink"); -MODULE_LICENSE("GPL"); - -#include <linux/i2c.h> - -#define I2C_NAME(s) (s)->name - -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <linux/video_decoder.h> - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Debug level (0-1)"); - -#define dprintk(num, format, args...) \ - do { \ - if (debug >= num) \ - printk(format, ##args); \ - } while (0) - -#define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */ -#define SAA7110_MAX_OUTPUT 0 /* its a decoder only */ - -#define I2C_SAA7110 0x9C /* or 0x9E */ - -#define SAA7110_NR_REG 0x35 - -struct saa7110 { - u8 reg[SAA7110_NR_REG]; - - int norm; - int input; - int enable; - int bright; - int contrast; - int hue; - int sat; - - wait_queue_head_t wq; -}; - -/* ----------------------------------------------------------------------- */ -/* I2C support functions */ -/* ----------------------------------------------------------------------- */ - -static int -saa7110_write (struct i2c_client *client, - u8 reg, - u8 value) -{ - struct saa7110 *decoder = i2c_get_clientdata(client); - - decoder->reg[reg] = value; - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int -saa7110_write_block (struct i2c_client *client, - const u8 *data, - unsigned int len) -{ - int ret = -1; - u8 reg = *data; /* first register to write to */ - - /* Sanity check */ - if (reg + (len - 1) > SAA7110_NR_REG) - return ret; - - /* the saa7110 has an autoincrement function, use it if - * the adapter understands raw I2C */ - if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - struct saa7110 *decoder = i2c_get_clientdata(client); - - ret = i2c_master_send(client, data, len); - - /* Cache the written data */ - memcpy(decoder->reg + reg, data + 1, len - 1); - } else { - for (++data, --len; len; len--) { - if ((ret = saa7110_write(client, reg++, - *data++)) < 0) - break; - } - } - - return ret; -} - -static inline int -saa7110_read (struct i2c_client *client) -{ - return i2c_smbus_read_byte(client); -} - -/* ----------------------------------------------------------------------- */ -/* SAA7110 functions */ -/* ----------------------------------------------------------------------- */ - -#define FRESP_06H_COMPST 0x03 //0x13 -#define FRESP_06H_SVIDEO 0x83 //0xC0 - - -static int -saa7110_selmux (struct i2c_client *client, - int chan) -{ - static const unsigned char modes[9][8] = { - /* mode 0 */ - {FRESP_06H_COMPST, 0xD9, 0x17, 0x40, 0x03, - 0x44, 0x75, 0x16}, - /* mode 1 */ - {FRESP_06H_COMPST, 0xD8, 0x17, 0x40, 0x03, - 0x44, 0x75, 0x16}, - /* mode 2 */ - {FRESP_06H_COMPST, 0xBA, 0x07, 0x91, 0x03, - 0x60, 0xB5, 0x05}, - /* mode 3 */ - {FRESP_06H_COMPST, 0xB8, 0x07, 0x91, 0x03, - 0x60, 0xB5, 0x05}, - /* mode 4 */ - {FRESP_06H_COMPST, 0x7C, 0x07, 0xD2, 0x83, - 0x60, 0xB5, 0x03}, - /* mode 5 */ - {FRESP_06H_COMPST, 0x78, 0x07, 0xD2, 0x83, - 0x60, 0xB5, 0x03}, - /* mode 6 */ - {FRESP_06H_SVIDEO, 0x59, 0x17, 0x42, 0xA3, - 0x44, 0x75, 0x12}, - /* mode 7 */ - {FRESP_06H_SVIDEO, 0x9A, 0x17, 0xB1, 0x13, - 0x60, 0xB5, 0x14}, - /* mode 8 */ - {FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23, - 0x44, 0x75, 0x21} - }; - struct saa7110 *decoder = i2c_get_clientdata(client); - const unsigned char *ptr = modes[chan]; - - saa7110_write(client, 0x06, ptr[0]); /* Luminance control */ - saa7110_write(client, 0x20, ptr[1]); /* Analog Control #1 */ - saa7110_write(client, 0x21, ptr[2]); /* Analog Control #2 */ - saa7110_write(client, 0x22, ptr[3]); /* Mixer Control #1 */ - saa7110_write(client, 0x2C, ptr[4]); /* Mixer Control #2 */ - saa7110_write(client, 0x30, ptr[5]); /* ADCs gain control */ - saa7110_write(client, 0x31, ptr[6]); /* Mixer Control #3 */ - saa7110_write(client, 0x21, ptr[7]); /* Analog Control #2 */ - decoder->input = chan; - - return 0; -} - -static const unsigned char initseq[1 + SAA7110_NR_REG] = { - 0, 0x4C, 0x3C, 0x0D, 0xEF, 0xBD, 0xF2, 0x03, 0x00, - /* 0x08 */ 0xF8, 0xF8, 0x60, 0x60, 0x00, 0x86, 0x18, 0x90, - /* 0x10 */ 0x00, 0x59, 0x40, 0x46, 0x42, 0x1A, 0xFF, 0xDA, - /* 0x18 */ 0xF2, 0x8B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - /* 0x20 */ 0xD9, 0x16, 0x40, 0x41, 0x80, 0x41, 0x80, 0x4F, - /* 0x28 */ 0xFE, 0x01, 0xCF, 0x0F, 0x03, 0x01, 0x03, 0x0C, - /* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02 -}; - -static int -determine_norm (struct i2c_client *client) -{ - DEFINE_WAIT(wait); - struct saa7110 *decoder = i2c_get_clientdata(client); - int status; - - /* mode changed, start automatic detection */ - saa7110_write_block(client, initseq, sizeof(initseq)); - saa7110_selmux(client, decoder->input); - prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(250)); - finish_wait(&decoder->wq, &wait); - status = saa7110_read(client); - if (status & 0x40) { - dprintk(1, KERN_INFO "%s: status=0x%02x (no signal)\n", - I2C_NAME(client), status); - return decoder->norm; // no change - } - if ((status & 3) == 0) { - saa7110_write(client, 0x06, 0x83); - if (status & 0x20) { - dprintk(1, - KERN_INFO - "%s: status=0x%02x (NTSC/no color)\n", - I2C_NAME(client), status); - //saa7110_write(client,0x2E,0x81); - return VIDEO_MODE_NTSC; - } - dprintk(1, KERN_INFO "%s: status=0x%02x (PAL/no color)\n", - I2C_NAME(client), status); - //saa7110_write(client,0x2E,0x9A); - return VIDEO_MODE_PAL; - } - //saa7110_write(client,0x06,0x03); - if (status & 0x20) { /* 60Hz */ - dprintk(1, KERN_INFO "%s: status=0x%02x (NTSC)\n", - I2C_NAME(client), status); - saa7110_write(client, 0x0D, 0x86); - saa7110_write(client, 0x0F, 0x50); - saa7110_write(client, 0x11, 0x2C); - //saa7110_write(client,0x2E,0x81); - return VIDEO_MODE_NTSC; - } - - /* 50Hz -> PAL/SECAM */ - saa7110_write(client, 0x0D, 0x86); - saa7110_write(client, 0x0F, 0x10); - saa7110_write(client, 0x11, 0x59); - //saa7110_write(client,0x2E,0x9A); - - prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(250)); - finish_wait(&decoder->wq, &wait); - - status = saa7110_read(client); - if ((status & 0x03) == 0x01) { - dprintk(1, KERN_INFO "%s: status=0x%02x (SECAM)\n", - I2C_NAME(client), status); - saa7110_write(client, 0x0D, 0x87); - return VIDEO_MODE_SECAM; - } - dprintk(1, KERN_INFO "%s: status=0x%02x (PAL)\n", I2C_NAME(client), - status); - return VIDEO_MODE_PAL; -} - -static int -saa7110_command (struct i2c_client *client, - unsigned int cmd, - void *arg) -{ - struct saa7110 *decoder = i2c_get_clientdata(client); - int v; - - switch (cmd) { - case 0: - //saa7110_write_block(client, initseq, sizeof(initseq)); - break; - - case DECODER_GET_CAPABILITIES: - { - struct video_decoder_capability *dc = arg; - - dc->flags = - VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC | - VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO; - dc->inputs = SAA7110_MAX_INPUT; - dc->outputs = SAA7110_MAX_OUTPUT; - } - break; - - case DECODER_GET_STATUS: - { - int status; - int res = 0; - - status = saa7110_read(client); - dprintk(1, KERN_INFO "%s: status=0x%02x norm=%d\n", - I2C_NAME(client), status, decoder->norm); - if (!(status & 0x40)) - res |= DECODER_STATUS_GOOD; - if (status & 0x03) - res |= DECODER_STATUS_COLOR; - - 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; - } - *(int *) arg = res; - } - break; - - case DECODER_SET_NORM: - v = *(int *) arg; - if (decoder->norm != v) { - decoder->norm = v; - //saa7110_write(client, 0x06, 0x03); - switch (v) { - case VIDEO_MODE_NTSC: - saa7110_write(client, 0x0D, 0x86); - saa7110_write(client, 0x0F, 0x50); - saa7110_write(client, 0x11, 0x2C); - //saa7110_write(client, 0x2E, 0x81); - dprintk(1, - KERN_INFO "%s: switched to NTSC\n", - I2C_NAME(client)); - break; - case VIDEO_MODE_PAL: - saa7110_write(client, 0x0D, 0x86); - saa7110_write(client, 0x0F, 0x10); - saa7110_write(client, 0x11, 0x59); - //saa7110_write(client, 0x2E, 0x9A); - dprintk(1, - KERN_INFO "%s: switched to PAL\n", - I2C_NAME(client)); - break; - case VIDEO_MODE_SECAM: - saa7110_write(client, 0x0D, 0x87); - saa7110_write(client, 0x0F, 0x10); - saa7110_write(client, 0x11, 0x59); - //saa7110_write(client, 0x2E, 0x9A); - dprintk(1, - KERN_INFO - "%s: switched to SECAM\n", - I2C_NAME(client)); - break; - case VIDEO_MODE_AUTO: - dprintk(1, - KERN_INFO - "%s: TV standard detection...\n", - I2C_NAME(client)); - decoder->norm = determine_norm(client); - *(int *) arg = decoder->norm; - break; - default: - return -EPERM; - } - } - break; - - case DECODER_SET_INPUT: - v = *(int *) arg; - if (v < 0 || v > SAA7110_MAX_INPUT) { - dprintk(1, - KERN_INFO "%s: input=%d not available\n", - I2C_NAME(client), v); - return -EINVAL; - } - if (decoder->input != v) { - saa7110_selmux(client, v); - dprintk(1, KERN_INFO "%s: switched to input=%d\n", - I2C_NAME(client), v); - } - break; - - case DECODER_SET_OUTPUT: - v = *(int *) arg; - /* not much choice of outputs */ - if (v != 0) - return -EINVAL; - break; - - case DECODER_ENABLE_OUTPUT: - v = *(int *) arg; - if (decoder->enable != v) { - decoder->enable = v; - saa7110_write(client, 0x0E, v ? 0x18 : 0x80); - dprintk(1, KERN_INFO "%s: YUV %s\n", I2C_NAME(client), - v ? "on" : "off"); - } - 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; - saa7110_write(client, 0x19, decoder->bright >> 8); - } - if (decoder->contrast != pic->contrast) { - /* We want 0 to 127 we get 0-65535 */ - decoder->contrast = pic->contrast; - saa7110_write(client, 0x13, - decoder->contrast >> 9); - } - if (decoder->sat != pic->colour) { - /* We want 0 to 127 we get 0-65535 */ - decoder->sat = pic->colour; - saa7110_write(client, 0x12, decoder->sat >> 9); - } - if (decoder->hue != pic->hue) { - /* We want -128 to 127 we get 0-65535 */ - decoder->hue = pic->hue; - saa7110_write(client, 0x07, - (decoder->hue >> 8) - 128); - } - } - break; - - case DECODER_DUMP: - for (v = 0; v < SAA7110_NR_REG; v += 16) { - int j; - dprintk(1, KERN_DEBUG "%s: %02x:", I2C_NAME(client), - v); - for (j = 0; j < 16 && v + j < SAA7110_NR_REG; j++) - dprintk(1, " %02x", decoder->reg[v + j]); - dprintk(1, "\n"); - } - break; - - default: - dprintk(1, KERN_INFO "unknown saa7110_command??(%d)\n", - cmd); - return -EINVAL; - } - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ -static unsigned short normal_i2c[] = { - I2C_SAA7110 >> 1, - (I2C_SAA7110 >> 1) + 1, - I2C_CLIENT_END -}; - -static unsigned short ignore = I2C_CLIENT_END; - -static struct i2c_client_address_data addr_data = { - .normal_i2c = normal_i2c, - .probe = &ignore, - .ignore = &ignore, -}; - -static struct i2c_driver i2c_driver_saa7110; - -static int -saa7110_detect_client (struct i2c_adapter *adapter, - int address, - int kind) -{ - struct i2c_client *client; - struct saa7110 *decoder; - int rv; - - dprintk(1, - KERN_INFO - "saa7110.c: detecting saa7110 client on address 0x%x\n", - address << 1); - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality - (adapter, - I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) - return 0; - - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) - return -ENOMEM; - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver_saa7110; - strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client))); - - decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL); - if (!decoder) { - kfree(client); - return -ENOMEM; - } - decoder->norm = VIDEO_MODE_PAL; - decoder->input = 0; - decoder->enable = 1; - decoder->bright = 32768; - decoder->contrast = 32768; - decoder->hue = 32768; - decoder->sat = 32768; - init_waitqueue_head(&decoder->wq); - i2c_set_clientdata(client, decoder); - - rv = i2c_attach_client(client); - if (rv) { - kfree(client); - kfree(decoder); - return rv; - } - - rv = saa7110_write_block(client, initseq, sizeof(initseq)); - if (rv < 0) - dprintk(1, KERN_ERR "%s_attach: init status %d\n", - I2C_NAME(client), rv); - else { - int ver, status; - saa7110_write(client, 0x21, 0x10); - saa7110_write(client, 0x0e, 0x18); - saa7110_write(client, 0x0D, 0x04); - ver = saa7110_read(client); - saa7110_write(client, 0x0D, 0x06); - //mdelay(150); - status = saa7110_read(client); - dprintk(1, - KERN_INFO - "%s_attach: SAA7110A version %x at 0x%02x, status=0x%02x\n", - I2C_NAME(client), ver, client->addr << 1, status); - saa7110_write(client, 0x0D, 0x86); - saa7110_write(client, 0x0F, 0x10); - saa7110_write(client, 0x11, 0x59); - //saa7110_write(client, 0x2E, 0x9A); - } - - //saa7110_selmux(client,0); - //determine_norm(client); - /* setup and implicit mode 0 select has been performed */ - - return 0; -} - -static int -saa7110_attach_adapter (struct i2c_adapter *adapter) -{ - dprintk(1, - KERN_INFO - "saa7110.c: starting probe for adapter %s (0x%x)\n", - I2C_NAME(adapter), adapter->id); - return i2c_probe(adapter, &addr_data, &saa7110_detect_client); -} - -static int -saa7110_detach_client (struct i2c_client *client) -{ - struct saa7110 *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_saa7110 = { - .driver = { - .name = "saa7110", - }, - - .id = I2C_DRIVERID_SAA7110, - - .attach_adapter = saa7110_attach_adapter, - .detach_client = saa7110_detach_client, - .command = saa7110_command, -}; - -static int __init -saa7110_init (void) -{ - return i2c_add_driver(&i2c_driver_saa7110); -} - -static void __exit -saa7110_exit (void) -{ - i2c_del_driver(&i2c_driver_saa7110); -} - -module_init(saa7110_init); -module_exit(saa7110_exit); |