diff options
Diffstat (limited to 'drivers/media/video/saa7111.c')
| -rw-r--r-- | drivers/media/video/saa7111.c | 224 |
1 files changed, 58 insertions, 166 deletions
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c index 96c3d4357722..a4738a2fb4d3 100644 --- a/drivers/media/video/saa7111.c +++ b/drivers/media/video/saa7111.c @@ -28,43 +28,24 @@ */ #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 <linux/types.h> -#include <linux/i2c.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/page.h> +#include <linux/ioctl.h> #include <asm/uaccess.h> - +#include <linux/i2c.h> +#include <linux/i2c-id.h> #include <linux/videodev.h> #include <linux/video_decoder.h> +#include <media/v4l2-common.h> +#include <media/v4l2-i2c-drv-legacy.h> MODULE_DESCRIPTION("Philips SAA7111 video decoder driver"); MODULE_AUTHOR("Dave Perks"); MODULE_LICENSE("GPL"); - -#define I2C_NAME(s) (s)->name - - static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Debug level (0-1)"); -#define dprintk(num, format, args...) \ - do { \ - if (debug >= num) \ - printk(format, ##args); \ - } while (0) - /* ----------------------------------------------------------------------- */ #define SAA7111_NR_REG 0x18 @@ -77,14 +58,9 @@ struct saa7111 { int enable; }; -#define I2C_SAA7111 0x48 - /* ----------------------------------------------------------------------- */ -static inline int -saa7111_write (struct i2c_client *client, - u8 reg, - u8 value) +static inline int saa7111_write(struct i2c_client *client, u8 reg, u8 value) { struct saa7111 *decoder = i2c_get_clientdata(client); @@ -92,8 +68,7 @@ saa7111_write (struct i2c_client *client, return i2c_smbus_write_byte_data(client, reg, value); } -static inline void -saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value) +static inline void saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value) { struct saa7111 *decoder = i2c_get_clientdata(client); @@ -103,10 +78,7 @@ saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value) } } -static int -saa7111_write_block (struct i2c_client *client, - const u8 *data, - unsigned int len) +static int saa7111_write_block(struct i2c_client *client, const u8 *data, unsigned int len) { int ret = -1; u8 reg; @@ -127,18 +99,17 @@ saa7111_write_block (struct i2c_client *client, decoder->reg[reg++] = data[1]; len -= 2; data += 2; - } while (len >= 2 && data[0] == reg && - block_len < 32); - if ((ret = i2c_master_send(client, block_data, - block_len)) < 0) + } while (len >= 2 && data[0] == reg && block_len < 32); + ret = i2c_master_send(client, block_data, block_len); + if (ret < 0) break; } } else { /* do some slow I2C emulation kind of thing */ while (len >= 2) { reg = *data++; - if ((ret = saa7111_write(client, reg, - *data++)) < 0) + ret = saa7111_write(client, reg, *data++); + if (ret < 0) break; len -= 2; } @@ -147,16 +118,13 @@ saa7111_write_block (struct i2c_client *client, return ret; } -static int -saa7111_init_decoder (struct i2c_client *client, - struct video_decoder_init *init) +static int saa7111_init_decoder(struct i2c_client *client, + struct video_decoder_init *init) { return saa7111_write_block(client, init->data, init->len); } -static inline int -saa7111_read (struct i2c_client *client, - u8 reg) +static inline int saa7111_read(struct i2c_client *client, u8 reg) { return i2c_smbus_read_byte_data(client, reg); } @@ -203,28 +171,23 @@ static const unsigned char saa7111_i2c_init[] = { 0x17, 0x00, /* 17 - VBI */ }; -static int -saa7111_command (struct i2c_client *client, - unsigned int cmd, - void *arg) +static int saa7111_command(struct i2c_client *client, unsigned cmd, void *arg) { struct saa7111 *decoder = i2c_get_clientdata(client); switch (cmd) { - case 0: break; case DECODER_INIT: { struct video_decoder_init *init = arg; + struct video_decoder_init vdi; + if (NULL != init) return saa7111_init_decoder(client, init); - else { - struct video_decoder_init vdi; - vdi.data = saa7111_i2c_init; - vdi.len = sizeof(saa7111_i2c_init); - return saa7111_init_decoder(client, &vdi); - } + vdi.data = saa7111_i2c_init; + vdi.len = sizeof(saa7111_i2c_init); + return saa7111_init_decoder(client, &vdi); } case DECODER_DUMP: @@ -234,15 +197,15 @@ saa7111_command (struct i2c_client *client, for (i = 0; i < SAA7111_NR_REG; i += 16) { int j; - printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i); + v4l_info(client, "%03x", i); for (j = 0; j < 16 && i + j < SAA7111_NR_REG; ++j) { - printk(" %02x", + printk(KERN_CONT " %02x", saa7111_read(client, i + j)); } - printk("\n"); + printk(KERN_CONT "\n"); } - } break; + } case DECODER_GET_CAPABILITIES: { @@ -255,8 +218,8 @@ saa7111_command (struct i2c_client *client, VIDEO_DECODER_CCIR; cap->inputs = 8; cap->outputs = 1; - } break; + } case DECODER_GET_STATUS: { @@ -265,8 +228,7 @@ saa7111_command (struct i2c_client *client, int res; status = saa7111_read(client, 0x1f); - dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client), - status); + v4l_dbg(1, debug, client, "status: 0x%02x\n", status); res = 0; if ((status & (1 << 6)) == 0) { res |= DECODER_STATUS_GOOD; @@ -294,8 +256,8 @@ saa7111_command (struct i2c_client *client, res |= DECODER_STATUS_COLOR; } *iarg = res; - } break; + } case DECODER_SET_GPIO: { @@ -362,8 +324,8 @@ saa7111_command (struct i2c_client *client, } decoder->norm = *iarg; - } break; + } case DECODER_SET_INPUT: { @@ -387,8 +349,8 @@ saa7111_command (struct i2c_client *client, 3) ? 0x80 : 0)); } - } break; + } case DECODER_SET_OUTPUT: { @@ -398,8 +360,8 @@ saa7111_command (struct i2c_client *client, if (*iarg != 0) { return -EINVAL; } - } break; + } case DECODER_ENABLE_OUTPUT: { @@ -439,8 +401,8 @@ saa7111_command (struct i2c_client *client, (decoder->reg[0x11] & 0xf3)); } } - } break; + } case DECODER_SET_PICTURE: { @@ -454,8 +416,8 @@ saa7111_command (struct i2c_client *client, saa7111_write(client, 0x0c, pic->colour >> 9); /* We want -128 to 127 we get 0-65535 */ saa7111_write(client, 0x0d, (pic->hue - 32768) >> 8); - } break; + } default: return -EINVAL; @@ -466,48 +428,23 @@ saa7111_command (struct i2c_client *client, /* ----------------------------------------------------------------------- */ -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ -static unsigned short normal_i2c[] = { I2C_SAA7111 >> 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 unsigned short normal_i2c[] = { 0x48 >> 1, I2C_CLIENT_END }; -static struct i2c_driver i2c_driver_saa7111; +I2C_CLIENT_INSMOD; -static int -saa7111_detect_client (struct i2c_adapter *adapter, - int address, - int kind) +static int saa7111_probe(struct i2c_client *client, + const struct i2c_device_id *id) { int i; - struct i2c_client *client; struct saa7111 *decoder; struct video_decoder_init vdi; - dprintk(1, - KERN_INFO - "saa7111.c: detecting saa7111 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; + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) - return -ENOMEM; - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver_saa7111; - strlcpy(I2C_NAME(client), "saa7111", sizeof(I2C_NAME(client))); + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); decoder = kzalloc(sizeof(struct saa7111), GFP_KERNEL); if (decoder == NULL) { @@ -519,82 +456,37 @@ saa7111_detect_client (struct i2c_adapter *adapter, decoder->enable = 1; i2c_set_clientdata(client, decoder); - i = i2c_attach_client(client); - if (i) { - kfree(client); - kfree(decoder); - return i; - } - vdi.data = saa7111_i2c_init; vdi.len = sizeof(saa7111_i2c_init); i = saa7111_init_decoder(client, &vdi); if (i < 0) { - dprintk(1, KERN_ERR "%s_attach error: init status %d\n", - I2C_NAME(client), i); + v4l_dbg(1, debug, client, "init status %d\n", i); } else { - dprintk(1, - KERN_INFO - "%s_attach: chip version %x at address 0x%x\n", - I2C_NAME(client), saa7111_read(client, 0x00) >> 4, - client->addr << 1); + v4l_dbg(1, debug, client, "revision %x\n", + saa7111_read(client, 0x00) >> 4); } - return 0; } -static int -saa7111_attach_adapter (struct i2c_adapter *adapter) +static int saa7111_remove(struct i2c_client *client) { - dprintk(1, - KERN_INFO - "saa7111.c: starting probe for adapter %s (0x%x)\n", - I2C_NAME(adapter), adapter->id); - return i2c_probe(adapter, &addr_data, &saa7111_detect_client); -} - -static int -saa7111_detach_client (struct i2c_client *client) -{ - struct saa7111 *decoder = i2c_get_clientdata(client); - int err; - - err = i2c_detach_client(client); - if (err) { - return err; - } - - kfree(decoder); - kfree(client); - + kfree(i2c_get_clientdata(client)); return 0; } /* ----------------------------------------------------------------------- */ -static struct i2c_driver i2c_driver_saa7111 = { - .driver = { - .name = "saa7111", - }, - - .id = I2C_DRIVERID_SAA7111A, +static const struct i2c_device_id saa7111_id[] = { + { "saa7111_old", 0 }, /* "saa7111" maps to the saa7115 driver */ + { } +}; +MODULE_DEVICE_TABLE(i2c, saa7111_id); - .attach_adapter = saa7111_attach_adapter, - .detach_client = saa7111_detach_client, +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "saa7111", + .driverid = I2C_DRIVERID_SAA7111A, .command = saa7111_command, + .probe = saa7111_probe, + .remove = saa7111_remove, + .id_table = saa7111_id, }; - -static int __init -saa7111_init (void) -{ - return i2c_add_driver(&i2c_driver_saa7111); -} - -static void __exit -saa7111_exit (void) -{ - i2c_del_driver(&i2c_driver_saa7111); -} - -module_init(saa7111_init); -module_exit(saa7111_exit); |