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authorHans Verkuil <hverkuil@xs4all.nl>2008-09-07 07:31:13 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 07:37:00 -0400
commit71ef85c7e0f431467c2e18314ff0cb8fa2b84e5f (patch)
tree2ac85b0311968f97848a11a14fc14e797c216ac0 /drivers
parent2633812f897cc354071699e86ea82e3bfd77cddc (diff)
V4L/DVB (8943): saa5246a: convert i2c driver for new i2c API
- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API - Cleanups - Use v4l_dbg/v4l_info to have uniform kernel messages Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/saa5246a.c520
-rw-r--r--drivers/media/video/saa5246a.h359
2 files changed, 400 insertions, 479 deletions
diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c
index ff81049e936d..4a21b8a6a709 100644
--- a/drivers/media/video/saa5246a.c
+++ b/drivers/media/video/saa5246a.c
@@ -43,138 +43,363 @@
43#include <linux/mm.h> 43#include <linux/mm.h>
44#include <linux/init.h> 44#include <linux/init.h>
45#include <linux/i2c.h> 45#include <linux/i2c.h>
46#include <linux/videotext.h>
47#include <linux/smp_lock.h> 46#include <linux/smp_lock.h>
47#include <linux/mutex.h>
48#include <linux/videotext.h>
48#include <linux/videodev.h> 49#include <linux/videodev.h>
49#include <media/v4l2-common.h> 50#include <media/v4l2-common.h>
50#include <media/v4l2-ioctl.h> 51#include <media/v4l2-ioctl.h>
51#include <linux/mutex.h> 52#include <media/v4l2-i2c-drv-legacy.h>
52
53#include "saa5246a.h"
54 53
55MODULE_AUTHOR("Michael Geng <linux@MichaelGeng.de>"); 54MODULE_AUTHOR("Michael Geng <linux@MichaelGeng.de>");
56MODULE_DESCRIPTION("Philips SAA5246A, SAA5281 Teletext decoder driver"); 55MODULE_DESCRIPTION("Philips SAA5246A, SAA5281 Teletext decoder driver");
57MODULE_LICENSE("GPL"); 56MODULE_LICENSE("GPL");
58 57
59struct saa5246a_device 58#define MAJOR_VERSION 1 /* driver major version number */
60{ 59#define MINOR_VERSION 8 /* driver minor version number */
61 u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE]; 60
62 int is_searching[NUM_DAUS]; 61/* Number of DAUs = number of pages that can be searched at the same time. */
63 struct i2c_client *client; 62#define NUM_DAUS 4
64 unsigned long in_use; 63
65 struct mutex lock; 64#define NUM_ROWS_PER_PAGE 40
66}; 65
66/* first column is 0 (not 1) */
67#define POS_TIME_START 32
68#define POS_TIME_END 39
69
70#define POS_HEADER_START 7
71#define POS_HEADER_END 31
72
73/* Returns 'true' if the part of the videotext page described with req contains
74 (at least parts of) the time field */
75#define REQ_CONTAINS_TIME(p_req) \
76 ((p_req)->start <= POS_TIME_END && \
77 (p_req)->end >= POS_TIME_START)
78
79/* Returns 'true' if the part of the videotext page described with req contains
80 (at least parts of) the page header */
81#define REQ_CONTAINS_HEADER(p_req) \
82 ((p_req)->start <= POS_HEADER_END && \
83 (p_req)->end >= POS_HEADER_START)
84
85/*****************************************************************************/
86/* Mode register numbers of the SAA5246A */
87/*****************************************************************************/
88#define SAA5246A_REGISTER_R0 0
89#define SAA5246A_REGISTER_R1 1
90#define SAA5246A_REGISTER_R2 2
91#define SAA5246A_REGISTER_R3 3
92#define SAA5246A_REGISTER_R4 4
93#define SAA5246A_REGISTER_R5 5
94#define SAA5246A_REGISTER_R6 6
95#define SAA5246A_REGISTER_R7 7
96#define SAA5246A_REGISTER_R8 8
97#define SAA5246A_REGISTER_R9 9
98#define SAA5246A_REGISTER_R10 10
99#define SAA5246A_REGISTER_R11 11
100#define SAA5246A_REGISTER_R11B 11
101
102/* SAA5246A mode registers often autoincrement to the next register.
103 Therefore we use variable argument lists. The following macro indicates
104 the end of a command list. */
105#define COMMAND_END (-1)
106
107/*****************************************************************************/
108/* Contents of the mode registers of the SAA5246A */
109/*****************************************************************************/
110/* Register R0 (Advanced Control) */
111#define R0_SELECT_R11 0x00
112#define R0_SELECT_R11B 0x01
113
114#define R0_PLL_TIME_CONSTANT_LONG 0x00
115#define R0_PLL_TIME_CONSTANT_SHORT 0x02
116
117#define R0_ENABLE_nODD_EVEN_OUTPUT 0x00
118#define R0_DISABLE_nODD_EVEN_OUTPUT 0x04
119
120#define R0_ENABLE_HDR_POLL 0x00
121#define R0_DISABLE_HDR_POLL 0x10
122
123#define R0_DO_NOT_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x00
124#define R0_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x20
125
126#define R0_NO_FREE_RUN_PLL 0x00
127#define R0_FREE_RUN_PLL 0x40
128
129#define R0_NO_AUTOMATIC_FASTEXT_PROMPT 0x00
130#define R0_AUTOMATIC_FASTEXT_PROMPT 0x80
131
132/* Register R1 (Mode) */
133#define R1_INTERLACED_312_AND_HALF_312_AND_HALF_LINES 0x00
134#define R1_NON_INTERLACED_312_313_LINES 0x01
135#define R1_NON_INTERLACED_312_312_LINES 0x02
136#define R1_FFB_LEADING_EDGE_IN_FIRST_BROAD_PULSE 0x03
137#define R1_FFB_LEADING_EDGE_IN_SECOND_BROAD_PULSE 0x07
138
139#define R1_DEW 0x00
140#define R1_FULL_FIELD 0x08
141
142#define R1_EXTENDED_PACKET_DISABLE 0x00
143#define R1_EXTENDED_PACKET_ENABLE 0x10
144
145#define R1_DAUS_ALL_ON 0x00
146#define R1_DAUS_ALL_OFF 0x20
147
148#define R1_7_BITS_PLUS_PARITY 0x00
149#define R1_8_BITS_NO_PARITY 0x40
150
151#define R1_VCS_TO_SCS 0x00
152#define R1_NO_VCS_TO_SCS 0x80
153
154/* Register R2 (Page request address) */
155#define R2_IN_R3_SELECT_PAGE_HUNDREDS 0x00
156#define R2_IN_R3_SELECT_PAGE_TENS 0x01
157#define R2_IN_R3_SELECT_PAGE_UNITS 0x02
158#define R2_IN_R3_SELECT_HOURS_TENS 0x03
159#define R2_IN_R3_SELECT_HOURS_UNITS 0x04
160#define R2_IN_R3_SELECT_MINUTES_TENS 0x05
161#define R2_IN_R3_SELECT_MINUTES_UNITS 0x06
162
163#define R2_DAU_0 0x00
164#define R2_DAU_1 0x10
165#define R2_DAU_2 0x20
166#define R2_DAU_3 0x30
167
168#define R2_BANK_0 0x00
169#define R2_BANK 1 0x40
170
171#define R2_HAMMING_CHECK_ON 0x80
172#define R2_HAMMING_CHECK_OFF 0x00
173
174/* Register R3 (Page request data) */
175#define R3_PAGE_HUNDREDS_0 0x00
176#define R3_PAGE_HUNDREDS_1 0x01
177#define R3_PAGE_HUNDREDS_2 0x02
178#define R3_PAGE_HUNDREDS_3 0x03
179#define R3_PAGE_HUNDREDS_4 0x04
180#define R3_PAGE_HUNDREDS_5 0x05
181#define R3_PAGE_HUNDREDS_6 0x06
182#define R3_PAGE_HUNDREDS_7 0x07
67 183
68static struct video_device saa_template; /* Declared near bottom */ 184#define R3_HOLD_PAGE 0x00
185#define R3_UPDATE_PAGE 0x08
69 186
70/* Addresses to scan */ 187#define R3_PAGE_HUNDREDS_DO_NOT_CARE 0x00
71static unsigned short normal_i2c[] = { I2C_ADDRESS, I2C_CLIENT_END }; 188#define R3_PAGE_HUNDREDS_DO_CARE 0x10
72 189
73I2C_CLIENT_INSMOD; 190#define R3_PAGE_TENS_DO_NOT_CARE 0x00
191#define R3_PAGE_TENS_DO_CARE 0x10
74 192
75static struct i2c_client client_template; 193#define R3_PAGE_UNITS_DO_NOT_CARE 0x00
194#define R3_PAGE_UNITS_DO_CARE 0x10
76 195
77static int saa5246a_attach(struct i2c_adapter *adap, int addr, int kind) 196#define R3_HOURS_TENS_DO_NOT_CARE 0x00
78{ 197#define R3_HOURS_TENS_DO_CARE 0x10
79 int pgbuf;
80 int err;
81 struct i2c_client *client;
82 struct video_device *vd;
83 struct saa5246a_device *t;
84 198
85 printk(KERN_INFO "saa5246a: teletext chip found.\n"); 199#define R3_HOURS_UNITS_DO_NOT_CARE 0x00
86 client=kmalloc(sizeof(*client), GFP_KERNEL); 200#define R3_HOURS_UNITS_DO_CARE 0x10
87 if(client==NULL)
88 return -ENOMEM;
89 client_template.adapter = adap;
90 client_template.addr = addr;
91 memcpy(client, &client_template, sizeof(*client));
92 t = kzalloc(sizeof(*t), GFP_KERNEL);
93 if(t==NULL)
94 {
95 kfree(client);
96 return -ENOMEM;
97 }
98 strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
99 mutex_init(&t->lock);
100 201
101 /* 202#define R3_MINUTES_TENS_DO_NOT_CARE 0x00
102 * Now create a video4linux device 203#define R3_MINUTES_TENS_DO_CARE 0x10
103 */
104 204
105 vd = video_device_alloc(); 205#define R3_MINUTES_UNITS_DO_NOT_CARE 0x00
106 if(vd==NULL) 206#define R3_MINUTES_UNITS_DO_CARE 0x10
107 {
108 kfree(t);
109 kfree(client);
110 return -ENOMEM;
111 }
112 i2c_set_clientdata(client, vd);
113 memcpy(vd, &saa_template, sizeof(*vd));
114 207
115 for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) 208/* Register R4 (Display chapter) */
116 { 209#define R4_DISPLAY_PAGE_0 0x00
117 memset(t->pgbuf[pgbuf], ' ', sizeof(t->pgbuf[0])); 210#define R4_DISPLAY_PAGE_1 0x01
118 t->is_searching[pgbuf] = false; 211#define R4_DISPLAY_PAGE_2 0x02
119 } 212#define R4_DISPLAY_PAGE_3 0x03
120 video_set_drvdata(vd, t); 213#define R4_DISPLAY_PAGE_4 0x04
214#define R4_DISPLAY_PAGE_5 0x05
215#define R4_DISPLAY_PAGE_6 0x06
216#define R4_DISPLAY_PAGE_7 0x07
121 217
218/* Register R5 (Normal display control) */
219#define R5_PICTURE_INSIDE_BOXING_OFF 0x00
220#define R5_PICTURE_INSIDE_BOXING_ON 0x01
122 221
123 /* 222#define R5_PICTURE_OUTSIDE_BOXING_OFF 0x00
124 * Register it 223#define R5_PICTURE_OUTSIDE_BOXING_ON 0x02
125 */
126 224
127 if((err=video_register_device(vd, VFL_TYPE_VTX,-1))<0) 225#define R5_TEXT_INSIDE_BOXING_OFF 0x00
128 { 226#define R5_TEXT_INSIDE_BOXING_ON 0x04
129 kfree(t);
130 kfree(client);
131 video_device_release(vd);
132 return err;
133 }
134 t->client = client;
135 i2c_attach_client(client);
136 return 0;
137}
138 227
139/* 228#define R5_TEXT_OUTSIDE_BOXING_OFF 0x00
140 * We do most of the hard work when we become a device on the i2c. 229#define R5_TEXT_OUTSIDE_BOXING_ON 0x08
141 */
142static int saa5246a_probe(struct i2c_adapter *adap)
143{
144 if (adap->class & I2C_CLASS_TV_ANALOG)
145 return i2c_probe(adap, &addr_data, saa5246a_attach);
146 return 0;
147}
148 230
149static int saa5246a_detach(struct i2c_client *client) 231#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00
150{ 232#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10
151 struct video_device *vd = i2c_get_clientdata(client);
152 233
153 i2c_detach_client(client); 234#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00
154 video_unregister_device(vd); 235#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20
155 kfree(video_get_drvdata(vd));
156 kfree(client);
157 return 0;
158}
159 236
160/* 237#define R5_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00
161 * I2C interfaces 238#define R5_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40
162 */ 239
240#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00
241#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80
242
243/* Register R6 (Newsflash display) */
244#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_OFF 0x00
245#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_ON 0x01
246
247#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_OFF 0x00
248#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_ON 0x02
249
250#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_OFF 0x00
251#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_ON 0x04
252
253#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_OFF 0x00
254#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_ON 0x08
255
256#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00
257#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10
258
259#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00
260#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20
261
262#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00
263#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40
264
265#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00
266#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80
267
268/* Register R7 (Display mode) */
269#define R7_BOX_OFF_ROW_0 0x00
270#define R7_BOX_ON_ROW_0 0x01
271
272#define R7_BOX_OFF_ROW_1_TO_23 0x00
273#define R7_BOX_ON_ROW_1_TO_23 0x02
274
275#define R7_BOX_OFF_ROW_24 0x00
276#define R7_BOX_ON_ROW_24 0x04
277
278#define R7_SINGLE_HEIGHT 0x00
279#define R7_DOUBLE_HEIGHT 0x08
280
281#define R7_TOP_HALF 0x00
282#define R7_BOTTOM_HALF 0x10
283
284#define R7_REVEAL_OFF 0x00
285#define R7_REVEAL_ON 0x20
286
287#define R7_CURSER_OFF 0x00
288#define R7_CURSER_ON 0x40
289
290#define R7_STATUS_BOTTOM 0x00
291#define R7_STATUS_TOP 0x80
292
293/* Register R8 (Active chapter) */
294#define R8_ACTIVE_CHAPTER_0 0x00
295#define R8_ACTIVE_CHAPTER_1 0x01
296#define R8_ACTIVE_CHAPTER_2 0x02
297#define R8_ACTIVE_CHAPTER_3 0x03
298#define R8_ACTIVE_CHAPTER_4 0x04
299#define R8_ACTIVE_CHAPTER_5 0x05
300#define R8_ACTIVE_CHAPTER_6 0x06
301#define R8_ACTIVE_CHAPTER_7 0x07
163 302
164static struct i2c_driver i2c_driver_videotext = 303#define R8_CLEAR_MEMORY 0x08
304#define R8_DO_NOT_CLEAR_MEMORY 0x00
305
306/* Register R9 (Curser row) */
307#define R9_CURSER_ROW_0 0x00
308#define R9_CURSER_ROW_1 0x01
309#define R9_CURSER_ROW_2 0x02
310#define R9_CURSER_ROW_25 0x19
311
312/* Register R10 (Curser column) */
313#define R10_CURSER_COLUMN_0 0x00
314#define R10_CURSER_COLUMN_6 0x06
315#define R10_CURSER_COLUMN_8 0x08
316
317/*****************************************************************************/
318/* Row 25 control data in column 0 to 9 */
319/*****************************************************************************/
320#define ROW25_COLUMN0_PAGE_UNITS 0x0F
321
322#define ROW25_COLUMN1_PAGE_TENS 0x0F
323
324#define ROW25_COLUMN2_MINUTES_UNITS 0x0F
325
326#define ROW25_COLUMN3_MINUTES_TENS 0x07
327#define ROW25_COLUMN3_DELETE_PAGE 0x08
328
329#define ROW25_COLUMN4_HOUR_UNITS 0x0F
330
331#define ROW25_COLUMN5_HOUR_TENS 0x03
332#define ROW25_COLUMN5_INSERT_HEADLINE 0x04
333#define ROW25_COLUMN5_INSERT_SUBTITLE 0x08
334
335#define ROW25_COLUMN6_SUPPRESS_HEADER 0x01
336#define ROW25_COLUMN6_UPDATE_PAGE 0x02
337#define ROW25_COLUMN6_INTERRUPTED_SEQUENCE 0x04
338#define ROW25_COLUMN6_SUPPRESS_DISPLAY 0x08
339
340#define ROW25_COLUMN7_SERIAL_MODE 0x01
341#define ROW25_COLUMN7_CHARACTER_SET 0x0E
342
343#define ROW25_COLUMN8_PAGE_HUNDREDS 0x07
344#define ROW25_COLUMN8_PAGE_NOT_FOUND 0x10
345
346#define ROW25_COLUMN9_PAGE_BEING_LOOKED_FOR 0x20
347
348#define ROW25_COLUMN0_TO_7_HAMMING_ERROR 0x10
349
350/*****************************************************************************/
351/* Helper macros for extracting page, hour and minute digits */
352/*****************************************************************************/
353/* BYTE_POS 0 is at row 0, column 0,
354 BYTE_POS 1 is at row 0, column 1,
355 BYTE_POS 40 is at row 1, column 0, (with NUM_ROWS_PER_PAGE = 40)
356 BYTE_POS 41 is at row 1, column 1, (with NUM_ROWS_PER_PAGE = 40),
357 ... */
358#define ROW(BYTE_POS) (BYTE_POS / NUM_ROWS_PER_PAGE)
359#define COLUMN(BYTE_POS) (BYTE_POS % NUM_ROWS_PER_PAGE)
360
361/*****************************************************************************/
362/* Helper macros for extracting page, hour and minute digits */
363/*****************************************************************************/
364/* Macros for extracting hundreds, tens and units of a page number which
365 must be in the range 0 ... 0x799.
366 Note that page is coded in hexadecimal, i.e. 0x123 means page 123.
367 page 0x.. means page 8.. */
368#define HUNDREDS_OF_PAGE(page) (((page) / 0x100) & 0x7)
369#define TENS_OF_PAGE(page) (((page) / 0x10) & 0xF)
370#define UNITS_OF_PAGE(page) ((page) & 0xF)
371
372/* Macros for extracting tens and units of a hour information which
373 must be in the range 0 ... 0x24.
374 Note that hour is coded in hexadecimal, i.e. 0x12 means 12 hours */
375#define TENS_OF_HOUR(hour) ((hour) / 0x10)
376#define UNITS_OF_HOUR(hour) ((hour) & 0xF)
377
378/* Macros for extracting tens and units of a minute information which
379 must be in the range 0 ... 0x59.
380 Note that minute is coded in hexadecimal, i.e. 0x12 means 12 minutes */
381#define TENS_OF_MINUTE(minute) ((minute) / 0x10)
382#define UNITS_OF_MINUTE(minute) ((minute) & 0xF)
383
384#define HOUR_MAX 0x23
385#define MINUTE_MAX 0x59
386#define PAGE_MAX 0x8FF
387
388
389struct saa5246a_device
165{ 390{
166 .driver = { 391 u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE];
167 .name = IF_NAME, /* name */ 392 int is_searching[NUM_DAUS];
168 }, 393 struct i2c_client *client;
169 .id = I2C_DRIVERID_SAA5249, /* in i2c.h */ 394 unsigned long in_use;
170 .attach_adapter = saa5246a_probe, 395 struct mutex lock;
171 .detach_client = saa5246a_detach,
172}; 396};
173 397
174static struct i2c_client client_template = { 398static struct video_device saa_template; /* Declared near bottom */
175 .driver = &i2c_driver_videotext, 399
176 .name = "(unset)", 400/*
177}; 401 * I2C interfaces
402 */
178 403
179static int i2c_sendbuf(struct saa5246a_device *t, int reg, int count, u8 *data) 404static int i2c_sendbuf(struct saa5246a_device *t, int reg, int count, u8 *data)
180{ 405{
@@ -794,22 +1019,6 @@ static int saa5246a_release(struct inode *inode, struct file *file)
794 return 0; 1019 return 0;
795} 1020}
796 1021
797static int __init init_saa_5246a (void)
798{
799 printk(KERN_INFO
800 "SAA5246A (or compatible) Teletext decoder driver version %d.%d\n",
801 MAJOR_VERSION, MINOR_VERSION);
802 return i2c_add_driver(&i2c_driver_videotext);
803}
804
805static void __exit cleanup_saa_5246a (void)
806{
807 i2c_del_driver(&i2c_driver_videotext);
808}
809
810module_init(init_saa_5246a);
811module_exit(cleanup_saa_5246a);
812
813static const struct file_operations saa_fops = { 1022static const struct file_operations saa_fops = {
814 .owner = THIS_MODULE, 1023 .owner = THIS_MODULE,
815 .open = saa5246a_open, 1024 .open = saa5246a_open,
@@ -820,8 +1029,79 @@ static const struct file_operations saa_fops = {
820 1029
821static struct video_device saa_template = 1030static struct video_device saa_template =
822{ 1031{
823 .name = IF_NAME, 1032 .name = "saa5246a",
824 .fops = &saa_fops, 1033 .fops = &saa_fops,
825 .release = video_device_release, 1034 .release = video_device_release,
826 .minor = -1, 1035 .minor = -1,
827}; 1036};
1037
1038/* Addresses to scan */
1039static unsigned short normal_i2c[] = { 0x22 >> 1, I2C_CLIENT_END };
1040
1041I2C_CLIENT_INSMOD;
1042
1043static int saa5246a_probe(struct i2c_client *client,
1044 const struct i2c_device_id *id)
1045{
1046 int pgbuf;
1047 int err;
1048 struct video_device *vd;
1049 struct saa5246a_device *t;
1050
1051 v4l_info(client, "chip found @ 0x%x (%s)\n",
1052 client->addr << 1, client->adapter->name);
1053 v4l_info(client, "VideoText version %d.%d\n",
1054 MAJOR_VERSION, MINOR_VERSION);
1055 t = kzalloc(sizeof(*t), GFP_KERNEL);
1056 if (t == NULL)
1057 return -ENOMEM;
1058 mutex_init(&t->lock);
1059
1060 /* Now create a video4linux device */
1061 vd = video_device_alloc();
1062 if (vd == NULL) {
1063 kfree(t);
1064 return -ENOMEM;
1065 }
1066 i2c_set_clientdata(client, vd);
1067 memcpy(vd, &saa_template, sizeof(*vd));
1068
1069 for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) {
1070 memset(t->pgbuf[pgbuf], ' ', sizeof(t->pgbuf[0]));
1071 t->is_searching[pgbuf] = false;
1072 }
1073 video_set_drvdata(vd, t);
1074
1075 /* Register it */
1076 err = video_register_device(vd, VFL_TYPE_VTX, -1);
1077 if (err < 0) {
1078 kfree(t);
1079 video_device_release(vd);
1080 return err;
1081 }
1082 t->client = client;
1083 return 0;
1084}
1085
1086static int saa5246a_remove(struct i2c_client *client)
1087{
1088 struct video_device *vd = i2c_get_clientdata(client);
1089
1090 video_unregister_device(vd);
1091 kfree(video_get_drvdata(vd));
1092 return 0;
1093}
1094
1095static const struct i2c_device_id saa5246a_id[] = {
1096 { "saa5246a", 0 },
1097 { }
1098};
1099MODULE_DEVICE_TABLE(i2c, saa5246a_id);
1100
1101static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1102 .name = "saa5246a",
1103 .driverid = I2C_DRIVERID_SAA5249,
1104 .probe = saa5246a_probe,
1105 .remove = saa5246a_remove,
1106 .id_table = saa5246a_id,
1107};
diff --git a/drivers/media/video/saa5246a.h b/drivers/media/video/saa5246a.h
deleted file mode 100644
index 64394c036c60..000000000000
--- a/drivers/media/video/saa5246a.h
+++ /dev/null
@@ -1,359 +0,0 @@
1/*
2 Driver for the SAA5246A or SAA5281 Teletext (=Videotext) decoder chips from
3 Philips.
4
5 Copyright (C) 2004 Michael Geng (linux@MichaelGeng.de)
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
21 */
22#ifndef __SAA5246A_H__
23#define __SAA5246A_H__
24
25#define MAJOR_VERSION 1 /* driver major version number */
26#define MINOR_VERSION 8 /* driver minor version number */
27
28#define IF_NAME "SAA5246A"
29
30#define I2C_ADDRESS 17
31
32/* Number of DAUs = number of pages that can be searched at the same time. */
33#define NUM_DAUS 4
34
35#define NUM_ROWS_PER_PAGE 40
36
37/* first column is 0 (not 1) */
38#define POS_TIME_START 32
39#define POS_TIME_END 39
40
41#define POS_HEADER_START 7
42#define POS_HEADER_END 31
43
44/* Returns 'true' if the part of the videotext page described with req contains
45 (at least parts of) the time field */
46#define REQ_CONTAINS_TIME(p_req) \
47 ((p_req)->start <= POS_TIME_END && \
48 (p_req)->end >= POS_TIME_START)
49
50/* Returns 'true' if the part of the videotext page described with req contains
51 (at least parts of) the page header */
52#define REQ_CONTAINS_HEADER(p_req) \
53 ((p_req)->start <= POS_HEADER_END && \
54 (p_req)->end >= POS_HEADER_START)
55
56/*****************************************************************************/
57/* Mode register numbers of the SAA5246A */
58/*****************************************************************************/
59#define SAA5246A_REGISTER_R0 0
60#define SAA5246A_REGISTER_R1 1
61#define SAA5246A_REGISTER_R2 2
62#define SAA5246A_REGISTER_R3 3
63#define SAA5246A_REGISTER_R4 4
64#define SAA5246A_REGISTER_R5 5
65#define SAA5246A_REGISTER_R6 6
66#define SAA5246A_REGISTER_R7 7
67#define SAA5246A_REGISTER_R8 8
68#define SAA5246A_REGISTER_R9 9
69#define SAA5246A_REGISTER_R10 10
70#define SAA5246A_REGISTER_R11 11
71#define SAA5246A_REGISTER_R11B 11
72
73/* SAA5246A mode registers often autoincrement to the next register.
74 Therefore we use variable argument lists. The following macro indicates
75 the end of a command list. */
76#define COMMAND_END (- 1)
77
78/*****************************************************************************/
79/* Contents of the mode registers of the SAA5246A */
80/*****************************************************************************/
81/* Register R0 (Advanced Control) */
82#define R0_SELECT_R11 0x00
83#define R0_SELECT_R11B 0x01
84
85#define R0_PLL_TIME_CONSTANT_LONG 0x00
86#define R0_PLL_TIME_CONSTANT_SHORT 0x02
87
88#define R0_ENABLE_nODD_EVEN_OUTPUT 0x00
89#define R0_DISABLE_nODD_EVEN_OUTPUT 0x04
90
91#define R0_ENABLE_HDR_POLL 0x00
92#define R0_DISABLE_HDR_POLL 0x10
93
94#define R0_DO_NOT_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x00
95#define R0_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x20
96
97#define R0_NO_FREE_RUN_PLL 0x00
98#define R0_FREE_RUN_PLL 0x40
99
100#define R0_NO_AUTOMATIC_FASTEXT_PROMPT 0x00
101#define R0_AUTOMATIC_FASTEXT_PROMPT 0x80
102
103/* Register R1 (Mode) */
104#define R1_INTERLACED_312_AND_HALF_312_AND_HALF_LINES 0x00
105#define R1_NON_INTERLACED_312_313_LINES 0x01
106#define R1_NON_INTERLACED_312_312_LINES 0x02
107#define R1_FFB_LEADING_EDGE_IN_FIRST_BROAD_PULSE 0x03
108#define R1_FFB_LEADING_EDGE_IN_SECOND_BROAD_PULSE 0x07
109
110#define R1_DEW 0x00
111#define R1_FULL_FIELD 0x08
112
113#define R1_EXTENDED_PACKET_DISABLE 0x00
114#define R1_EXTENDED_PACKET_ENABLE 0x10
115
116#define R1_DAUS_ALL_ON 0x00
117#define R1_DAUS_ALL_OFF 0x20
118
119#define R1_7_BITS_PLUS_PARITY 0x00
120#define R1_8_BITS_NO_PARITY 0x40
121
122#define R1_VCS_TO_SCS 0x00
123#define R1_NO_VCS_TO_SCS 0x80
124
125/* Register R2 (Page request address) */
126#define R2_IN_R3_SELECT_PAGE_HUNDREDS 0x00
127#define R2_IN_R3_SELECT_PAGE_TENS 0x01
128#define R2_IN_R3_SELECT_PAGE_UNITS 0x02
129#define R2_IN_R3_SELECT_HOURS_TENS 0x03
130#define R2_IN_R3_SELECT_HOURS_UNITS 0x04
131#define R2_IN_R3_SELECT_MINUTES_TENS 0x05
132#define R2_IN_R3_SELECT_MINUTES_UNITS 0x06
133
134#define R2_DAU_0 0x00
135#define R2_DAU_1 0x10
136#define R2_DAU_2 0x20
137#define R2_DAU_3 0x30
138
139#define R2_BANK_0 0x00
140#define R2_BANK 1 0x40
141
142#define R2_HAMMING_CHECK_ON 0x80
143#define R2_HAMMING_CHECK_OFF 0x00
144
145/* Register R3 (Page request data) */
146#define R3_PAGE_HUNDREDS_0 0x00
147#define R3_PAGE_HUNDREDS_1 0x01
148#define R3_PAGE_HUNDREDS_2 0x02
149#define R3_PAGE_HUNDREDS_3 0x03
150#define R3_PAGE_HUNDREDS_4 0x04
151#define R3_PAGE_HUNDREDS_5 0x05
152#define R3_PAGE_HUNDREDS_6 0x06
153#define R3_PAGE_HUNDREDS_7 0x07
154
155#define R3_HOLD_PAGE 0x00
156#define R3_UPDATE_PAGE 0x08
157
158#define R3_PAGE_HUNDREDS_DO_NOT_CARE 0x00
159#define R3_PAGE_HUNDREDS_DO_CARE 0x10
160
161#define R3_PAGE_TENS_DO_NOT_CARE 0x00
162#define R3_PAGE_TENS_DO_CARE 0x10
163
164#define R3_PAGE_UNITS_DO_NOT_CARE 0x00
165#define R3_PAGE_UNITS_DO_CARE 0x10
166
167#define R3_HOURS_TENS_DO_NOT_CARE 0x00
168#define R3_HOURS_TENS_DO_CARE 0x10
169
170#define R3_HOURS_UNITS_DO_NOT_CARE 0x00
171#define R3_HOURS_UNITS_DO_CARE 0x10
172
173#define R3_MINUTES_TENS_DO_NOT_CARE 0x00
174#define R3_MINUTES_TENS_DO_CARE 0x10
175
176#define R3_MINUTES_UNITS_DO_NOT_CARE 0x00
177#define R3_MINUTES_UNITS_DO_CARE 0x10
178
179/* Register R4 (Display chapter) */
180#define R4_DISPLAY_PAGE_0 0x00
181#define R4_DISPLAY_PAGE_1 0x01
182#define R4_DISPLAY_PAGE_2 0x02
183#define R4_DISPLAY_PAGE_3 0x03
184#define R4_DISPLAY_PAGE_4 0x04
185#define R4_DISPLAY_PAGE_5 0x05
186#define R4_DISPLAY_PAGE_6 0x06
187#define R4_DISPLAY_PAGE_7 0x07
188
189/* Register R5 (Normal display control) */
190#define R5_PICTURE_INSIDE_BOXING_OFF 0x00
191#define R5_PICTURE_INSIDE_BOXING_ON 0x01
192
193#define R5_PICTURE_OUTSIDE_BOXING_OFF 0x00
194#define R5_PICTURE_OUTSIDE_BOXING_ON 0x02
195
196#define R5_TEXT_INSIDE_BOXING_OFF 0x00
197#define R5_TEXT_INSIDE_BOXING_ON 0x04
198
199#define R5_TEXT_OUTSIDE_BOXING_OFF 0x00
200#define R5_TEXT_OUTSIDE_BOXING_ON 0x08
201
202#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00
203#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10
204
205#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00
206#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20
207
208#define R5_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00
209#define R5_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40
210
211#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00
212#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80
213
214/* Register R6 (Newsflash display) */
215#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_OFF 0x00
216#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_ON 0x01
217
218#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_OFF 0x00
219#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_ON 0x02
220
221#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_OFF 0x00
222#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_ON 0x04
223
224#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_OFF 0x00
225#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_ON 0x08
226
227#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00
228#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10
229
230#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00
231#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20
232
233#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00
234#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40
235
236#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00
237#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80
238
239/* Register R7 (Display mode) */
240#define R7_BOX_OFF_ROW_0 0x00
241#define R7_BOX_ON_ROW_0 0x01
242
243#define R7_BOX_OFF_ROW_1_TO_23 0x00
244#define R7_BOX_ON_ROW_1_TO_23 0x02
245
246#define R7_BOX_OFF_ROW_24 0x00
247#define R7_BOX_ON_ROW_24 0x04
248
249#define R7_SINGLE_HEIGHT 0x00
250#define R7_DOUBLE_HEIGHT 0x08
251
252#define R7_TOP_HALF 0x00
253#define R7_BOTTOM_HALF 0x10
254
255#define R7_REVEAL_OFF 0x00
256#define R7_REVEAL_ON 0x20
257
258#define R7_CURSER_OFF 0x00
259#define R7_CURSER_ON 0x40
260
261#define R7_STATUS_BOTTOM 0x00
262#define R7_STATUS_TOP 0x80
263
264/* Register R8 (Active chapter) */
265#define R8_ACTIVE_CHAPTER_0 0x00
266#define R8_ACTIVE_CHAPTER_1 0x01
267#define R8_ACTIVE_CHAPTER_2 0x02
268#define R8_ACTIVE_CHAPTER_3 0x03
269#define R8_ACTIVE_CHAPTER_4 0x04
270#define R8_ACTIVE_CHAPTER_5 0x05
271#define R8_ACTIVE_CHAPTER_6 0x06
272#define R8_ACTIVE_CHAPTER_7 0x07
273
274#define R8_CLEAR_MEMORY 0x08
275#define R8_DO_NOT_CLEAR_MEMORY 0x00
276
277/* Register R9 (Curser row) */
278#define R9_CURSER_ROW_0 0x00
279#define R9_CURSER_ROW_1 0x01
280#define R9_CURSER_ROW_2 0x02
281#define R9_CURSER_ROW_25 0x19
282
283/* Register R10 (Curser column) */
284#define R10_CURSER_COLUMN_0 0x00
285#define R10_CURSER_COLUMN_6 0x06
286#define R10_CURSER_COLUMN_8 0x08
287
288/*****************************************************************************/
289/* Row 25 control data in column 0 to 9 */
290/*****************************************************************************/
291#define ROW25_COLUMN0_PAGE_UNITS 0x0F
292
293#define ROW25_COLUMN1_PAGE_TENS 0x0F
294
295#define ROW25_COLUMN2_MINUTES_UNITS 0x0F
296
297#define ROW25_COLUMN3_MINUTES_TENS 0x07
298#define ROW25_COLUMN3_DELETE_PAGE 0x08
299
300#define ROW25_COLUMN4_HOUR_UNITS 0x0F
301
302#define ROW25_COLUMN5_HOUR_TENS 0x03
303#define ROW25_COLUMN5_INSERT_HEADLINE 0x04
304#define ROW25_COLUMN5_INSERT_SUBTITLE 0x08
305
306#define ROW25_COLUMN6_SUPPRESS_HEADER 0x01
307#define ROW25_COLUMN6_UPDATE_PAGE 0x02
308#define ROW25_COLUMN6_INTERRUPTED_SEQUENCE 0x04
309#define ROW25_COLUMN6_SUPPRESS_DISPLAY 0x08
310
311#define ROW25_COLUMN7_SERIAL_MODE 0x01
312#define ROW25_COLUMN7_CHARACTER_SET 0x0E
313
314#define ROW25_COLUMN8_PAGE_HUNDREDS 0x07
315#define ROW25_COLUMN8_PAGE_NOT_FOUND 0x10
316
317#define ROW25_COLUMN9_PAGE_BEING_LOOKED_FOR 0x20
318
319#define ROW25_COLUMN0_TO_7_HAMMING_ERROR 0x10
320
321/*****************************************************************************/
322/* Helper macros for extracting page, hour and minute digits */
323/*****************************************************************************/
324/* BYTE_POS 0 is at row 0, column 0,
325 BYTE_POS 1 is at row 0, column 1,
326 BYTE_POS 40 is at row 1, column 0, (with NUM_ROWS_PER_PAGE = 40)
327 BYTE_POS 41 is at row 1, column 1, (with NUM_ROWS_PER_PAGE = 40),
328 ... */
329#define ROW(BYTE_POS) (BYTE_POS / NUM_ROWS_PER_PAGE)
330#define COLUMN(BYTE_POS) (BYTE_POS % NUM_ROWS_PER_PAGE)
331
332/*****************************************************************************/
333/* Helper macros for extracting page, hour and minute digits */
334/*****************************************************************************/
335/* Macros for extracting hundreds, tens and units of a page number which
336 must be in the range 0 ... 0x799.
337 Note that page is coded in hexadecimal, i.e. 0x123 means page 123.
338 page 0x.. means page 8.. */
339#define HUNDREDS_OF_PAGE(page) (((page) / 0x100) & 0x7)
340#define TENS_OF_PAGE(page) (((page) / 0x10) & 0xF)
341#define UNITS_OF_PAGE(page) ((page) & 0xF)
342
343/* Macros for extracting tens and units of a hour information which
344 must be in the range 0 ... 0x24.
345 Note that hour is coded in hexadecimal, i.e. 0x12 means 12 hours */
346#define TENS_OF_HOUR(hour) ((hour) / 0x10)
347#define UNITS_OF_HOUR(hour) ((hour) & 0xF)
348
349/* Macros for extracting tens and units of a minute information which
350 must be in the range 0 ... 0x59.
351 Note that minute is coded in hexadecimal, i.e. 0x12 means 12 minutes */
352#define TENS_OF_MINUTE(minute) ((minute) / 0x10)
353#define UNITS_OF_MINUTE(minute) ((minute) & 0xF)
354
355#define HOUR_MAX 0x23
356#define MINUTE_MAX 0x59
357#define PAGE_MAX 0x8FF
358
359#endif /* __SAA5246A_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 02:17:50 -0500