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fmdrv_common.h
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1 /*
2  * FM Driver for Connectivity chip of Texas Instruments.
3  * FM Common module header file
4  *
5  * Copyright (C) 2011 Texas Instruments
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 version 2 as
9  * published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 #ifndef _FMDRV_COMMON_H
23 #define _FMDRV_COMMON_H
24 
25 #define FM_ST_REG_TIMEOUT msecs_to_jiffies(6000) /* 6 sec */
26 #define FM_PKT_LOGICAL_CHAN_NUMBER 0x08 /* Logical channel 8 */
27 
28 #define REG_RD 0x1
29 #define REG_WR 0x0
30 
31 struct fm_reg_table {
34  u8 *name;
35 };
36 
37 #define STEREO_GET 0
38 #define RSSI_LVL_GET 1
39 #define IF_COUNT_GET 2
40 #define FLAG_GET 3
41 #define RDS_SYNC_GET 4
42 #define RDS_DATA_GET 5
43 #define FREQ_SET 10
44 #define AF_FREQ_SET 11
45 #define MOST_MODE_SET 12
46 #define MOST_BLEND_SET 13
47 #define DEMPH_MODE_SET 14
48 #define SEARCH_LVL_SET 15
49 #define BAND_SET 16
50 #define MUTE_STATUS_SET 17
51 #define RDS_PAUSE_LVL_SET 18
52 #define RDS_PAUSE_DUR_SET 19
53 #define RDS_MEM_SET 20
54 #define RDS_BLK_B_SET 21
55 #define RDS_MSK_B_SET 22
56 #define RDS_PI_MASK_SET 23
57 #define RDS_PI_SET 24
58 #define RDS_SYSTEM_SET 25
59 #define INT_MASK_SET 26
60 #define SEARCH_DIR_SET 27
61 #define VOLUME_SET 28
62 #define AUDIO_ENABLE_SET 29
63 #define PCM_MODE_SET 30
64 #define I2S_MODE_CONFIG_SET 31
65 #define POWER_SET 32
66 #define INTX_CONFIG_SET 33
67 #define PULL_EN_SET 34
68 #define HILO_SET 35
69 #define SWITCH2FREF 36
70 #define FREQ_DRIFT_REPORT 37
71 
72 #define PCE_GET 40
73 #define FIRM_VER_GET 41
74 #define ASIC_VER_GET 42
75 #define ASIC_ID_GET 43
76 #define MAN_ID_GET 44
77 #define TUNER_MODE_SET 45
78 #define STOP_SEARCH 46
79 #define RDS_CNTRL_SET 47
80 
81 #define WRITE_HARDWARE_REG 100
82 #define CODE_DOWNLOAD 101
83 #define RESET 102
84 
85 #define FM_POWER_MODE 254
86 #define FM_INTERRUPT 255
87 
88 /* Transmitter API */
89 
90 #define CHANL_SET 55
91 #define CHANL_BW_SET 56
92 #define REF_SET 57
93 #define POWER_ENB_SET 90
94 #define POWER_ATT_SET 58
95 #define POWER_LEV_SET 59
96 #define AUDIO_DEV_SET 60
97 #define PILOT_DEV_SET 61
98 #define RDS_DEV_SET 62
99 #define TX_BAND_SET 65
100 #define PUPD_SET 91
101 #define AUDIO_IO_SET 63
102 #define PREMPH_SET 64
103 #define MONO_SET 66
104 #define MUTE 92
105 #define MPX_LMT_ENABLE 67
106 #define PI_SET 93
107 #define ECC_SET 69
108 #define PTY 70
109 #define AF 71
110 #define DISPLAY_MODE 74
111 #define RDS_REP_SET 77
112 #define RDS_CONFIG_DATA_SET 98
113 #define RDS_DATA_SET 99
114 #define RDS_DATA_ENB 94
115 #define TA_SET 78
116 #define TP_SET 79
117 #define DI_SET 80
118 #define MS_SET 81
119 #define PS_SCROLL_SPEED 82
120 #define TX_AUDIO_LEVEL_TEST 96
121 #define TX_AUDIO_LEVEL_TEST_THRESHOLD 73
122 #define TX_AUDIO_INPUT_LEVEL_RANGE_SET 54
123 #define RX_ANTENNA_SELECT 87
124 #define I2C_DEV_ADDR_SET 86
125 #define REF_ERR_CALIB_PARAM_SET 88
126 #define REF_ERR_CALIB_PERIODICITY_SET 89
127 #define SOC_INT_TRIGGER 52
128 #define SOC_AUDIO_PATH_SET 83
129 #define SOC_PCMI_OVERRIDE 84
130 #define SOC_I2S_OVERRIDE 85
131 #define RSSI_BLOCK_SCAN_FREQ_SET 95
132 #define RSSI_BLOCK_SCAN_START 97
133 #define RSSI_BLOCK_SCAN_DATA_GET 5
134 #define READ_FMANT_TUNE_VALUE 104
135 
136 /* SKB helpers */
137 struct fm_skb_cb {
140 };
141 
142 #define fm_cb(skb) ((struct fm_skb_cb *)(skb->cb))
143 
144 /* FM Channel-8 command message format */
146  __u8 hdr; /* Logical Channel-8 */
147  __u8 len; /* Number of bytes follows */
148  __u8 op; /* FM Opcode */
149  __u8 rd_wr; /* Read/Write command */
150  __u8 dlen; /* Length of payload */
151 } __attribute__ ((packed));
153 #define FM_CMD_MSG_HDR_SIZE 5 /* sizeof(struct fm_cmd_msg_hdr) */
155 /* FM Channel-8 event messgage format */
157  __u8 header; /* Logical Channel-8 */
158  __u8 len; /* Number of bytes follows */
159  __u8 status; /* Event status */
160  __u8 num_fm_hci_cmds; /* Number of pkts the host allowed to send */
161  __u8 op; /* FM Opcode */
162  __u8 rd_wr; /* Read/Write command */
163  __u8 dlen; /* Length of payload */
164 } __attribute__ ((packed));
166 #define FM_EVT_MSG_HDR_SIZE 7 /* sizeof(struct fm_event_msg_hdr) */
168 /* TI's magic number in firmware file */
169 #define FM_FW_FILE_HEADER_MAGIC 0x42535442
170 
171 #define FM_ENABLE 1
172 #define FM_DISABLE 0
173 
174 /* FLAG_GET register bits */
175 #define FM_FR_EVENT (1 << 0)
176 #define FM_BL_EVENT (1 << 1)
177 #define FM_RDS_EVENT (1 << 2)
178 #define FM_BBLK_EVENT (1 << 3)
179 #define FM_LSYNC_EVENT (1 << 4)
180 #define FM_LEV_EVENT (1 << 5)
181 #define FM_IFFR_EVENT (1 << 6)
182 #define FM_PI_EVENT (1 << 7)
183 #define FM_PD_EVENT (1 << 8)
184 #define FM_STIC_EVENT (1 << 9)
185 #define FM_MAL_EVENT (1 << 10)
186 #define FM_POW_ENB_EVENT (1 << 11)
187 
188 /*
189  * Firmware files of FM. ASIC ID and ASIC version will be appened to this,
190  * later.
191  */
192 #define FM_FMC_FW_FILE_START ("fmc_ch8")
193 #define FM_RX_FW_FILE_START ("fm_rx_ch8")
194 #define FM_TX_FW_FILE_START ("fm_tx_ch8")
195 
196 #define FM_UNDEFINED_FREQ 0xFFFFFFFF
197 
198 /* Band types */
199 #define FM_BAND_EUROPE_US 0
200 #define FM_BAND_JAPAN 1
201 
202 /* Seek directions */
203 #define FM_SEARCH_DIRECTION_DOWN 0
204 #define FM_SEARCH_DIRECTION_UP 1
205 
206 /* Tunner modes */
207 #define FM_TUNER_STOP_SEARCH_MODE 0
208 #define FM_TUNER_PRESET_MODE 1
209 #define FM_TUNER_AUTONOMOUS_SEARCH_MODE 2
210 #define FM_TUNER_AF_JUMP_MODE 3
211 
212 /* Min and Max volume */
213 #define FM_RX_VOLUME_MIN 0
214 #define FM_RX_VOLUME_MAX 70
215 
216 /* Volume gain step */
217 #define FM_RX_VOLUME_GAIN_STEP 0x370
218 
219 /* Mute modes */
220 #define FM_MUTE_ON 0
221 #define FM_MUTE_OFF 1
222 #define FM_MUTE_ATTENUATE 2
223 
224 #define FM_RX_UNMUTE_MODE 0x00
225 #define FM_RX_RF_DEP_MODE 0x01
226 #define FM_RX_AC_MUTE_MODE 0x02
227 #define FM_RX_HARD_MUTE_LEFT_MODE 0x04
228 #define FM_RX_HARD_MUTE_RIGHT_MODE 0x08
229 #define FM_RX_SOFT_MUTE_FORCE_MODE 0x10
230 
231 /* RF dependent mute mode */
232 #define FM_RX_RF_DEPENDENT_MUTE_ON 1
233 #define FM_RX_RF_DEPENDENT_MUTE_OFF 0
234 
235 /* RSSI threshold min and max */
236 #define FM_RX_RSSI_THRESHOLD_MIN -128
237 #define FM_RX_RSSI_THRESHOLD_MAX 127
238 
239 /* Stereo/Mono mode */
240 #define FM_STEREO_MODE 0
241 #define FM_MONO_MODE 1
242 #define FM_STEREO_SOFT_BLEND 1
243 
244 /* FM RX De-emphasis filter modes */
245 #define FM_RX_EMPHASIS_FILTER_50_USEC 0
246 #define FM_RX_EMPHASIS_FILTER_75_USEC 1
247 
248 /* FM RDS modes */
249 #define FM_RDS_DISABLE 0
250 #define FM_RDS_ENABLE 1
251 
252 #define FM_NO_PI_CODE 0
253 
254 /* FM and RX RDS block enable/disable */
255 #define FM_RX_PWR_SET_FM_ON_RDS_OFF 0x1
256 #define FM_RX_PWR_SET_FM_AND_RDS_BLK_ON 0x3
257 #define FM_RX_PWR_SET_FM_AND_RDS_BLK_OFF 0x0
258 
259 /* RX RDS */
260 #define FM_RX_RDS_FLUSH_FIFO 0x1
261 #define FM_RX_RDS_FIFO_THRESHOLD 64 /* tuples */
262 #define FM_RDS_BLK_SIZE 3 /* 3 bytes */
263 
264 /* RDS block types */
265 #define FM_RDS_BLOCK_A 0
266 #define FM_RDS_BLOCK_B 1
267 #define FM_RDS_BLOCK_C 2
268 #define FM_RDS_BLOCK_Ctag 3
269 #define FM_RDS_BLOCK_D 4
270 #define FM_RDS_BLOCK_E 5
271 
272 #define FM_RDS_BLK_IDX_A 0
273 #define FM_RDS_BLK_IDX_B 1
274 #define FM_RDS_BLK_IDX_C 2
275 #define FM_RDS_BLK_IDX_D 3
276 #define FM_RDS_BLK_IDX_UNKNOWN 0xF0
277 
278 #define FM_RDS_STATUS_ERR_MASK 0x18
279 
280 /*
281  * Represents an RDS group type & version.
282  * There are 15 groups, each group has 2 versions: A and B.
283  */
284 #define FM_RDS_GROUP_TYPE_MASK_0A ((unsigned long)1<<0)
285 #define FM_RDS_GROUP_TYPE_MASK_0B ((unsigned long)1<<1)
286 #define FM_RDS_GROUP_TYPE_MASK_1A ((unsigned long)1<<2)
287 #define FM_RDS_GROUP_TYPE_MASK_1B ((unsigned long)1<<3)
288 #define FM_RDS_GROUP_TYPE_MASK_2A ((unsigned long)1<<4)
289 #define FM_RDS_GROUP_TYPE_MASK_2B ((unsigned long)1<<5)
290 #define FM_RDS_GROUP_TYPE_MASK_3A ((unsigned long)1<<6)
291 #define FM_RDS_GROUP_TYPE_MASK_3B ((unsigned long)1<<7)
292 #define FM_RDS_GROUP_TYPE_MASK_4A ((unsigned long)1<<8)
293 #define FM_RDS_GROUP_TYPE_MASK_4B ((unsigned long)1<<9)
294 #define FM_RDS_GROUP_TYPE_MASK_5A ((unsigned long)1<<10)
295 #define FM_RDS_GROUP_TYPE_MASK_5B ((unsigned long)1<<11)
296 #define FM_RDS_GROUP_TYPE_MASK_6A ((unsigned long)1<<12)
297 #define FM_RDS_GROUP_TYPE_MASK_6B ((unsigned long)1<<13)
298 #define FM_RDS_GROUP_TYPE_MASK_7A ((unsigned long)1<<14)
299 #define FM_RDS_GROUP_TYPE_MASK_7B ((unsigned long)1<<15)
300 #define FM_RDS_GROUP_TYPE_MASK_8A ((unsigned long)1<<16)
301 #define FM_RDS_GROUP_TYPE_MASK_8B ((unsigned long)1<<17)
302 #define FM_RDS_GROUP_TYPE_MASK_9A ((unsigned long)1<<18)
303 #define FM_RDS_GROUP_TYPE_MASK_9B ((unsigned long)1<<19)
304 #define FM_RDS_GROUP_TYPE_MASK_10A ((unsigned long)1<<20)
305 #define FM_RDS_GROUP_TYPE_MASK_10B ((unsigned long)1<<21)
306 #define FM_RDS_GROUP_TYPE_MASK_11A ((unsigned long)1<<22)
307 #define FM_RDS_GROUP_TYPE_MASK_11B ((unsigned long)1<<23)
308 #define FM_RDS_GROUP_TYPE_MASK_12A ((unsigned long)1<<24)
309 #define FM_RDS_GROUP_TYPE_MASK_12B ((unsigned long)1<<25)
310 #define FM_RDS_GROUP_TYPE_MASK_13A ((unsigned long)1<<26)
311 #define FM_RDS_GROUP_TYPE_MASK_13B ((unsigned long)1<<27)
312 #define FM_RDS_GROUP_TYPE_MASK_14A ((unsigned long)1<<28)
313 #define FM_RDS_GROUP_TYPE_MASK_14B ((unsigned long)1<<29)
314 #define FM_RDS_GROUP_TYPE_MASK_15A ((unsigned long)1<<30)
315 #define FM_RDS_GROUP_TYPE_MASK_15B ((unsigned long)1<<31)
316 
317 /* RX Alternate Frequency info */
318 #define FM_RDS_MIN_AF 1
319 #define FM_RDS_MAX_AF 204
320 #define FM_RDS_MAX_AF_JAPAN 140
321 #define FM_RDS_1_AF_FOLLOWS 225
322 #define FM_RDS_25_AF_FOLLOWS 249
323 
324 /* RDS system type (RDS/RBDS) */
325 #define FM_RDS_SYSTEM_RDS 0
326 #define FM_RDS_SYSTEM_RBDS 1
327 
328 /* AF on/off */
329 #define FM_RX_RDS_AF_SWITCH_MODE_ON 1
330 #define FM_RX_RDS_AF_SWITCH_MODE_OFF 0
331 
332 /* Retry count when interrupt process goes wrong */
333 #define FM_IRQ_TIMEOUT_RETRY_MAX 5 /* 5 times */
334 
335 /* Audio IO set values */
336 #define FM_RX_AUDIO_ENABLE_I2S 0x01
337 #define FM_RX_AUDIO_ENABLE_ANALOG 0x02
338 #define FM_RX_AUDIO_ENABLE_I2S_AND_ANALOG 0x03
339 #define FM_RX_AUDIO_ENABLE_DISABLE 0x00
340 
341 /* HI/LO set values */
342 #define FM_RX_IFFREQ_TO_HI_SIDE 0x0
343 #define FM_RX_IFFREQ_TO_LO_SIDE 0x1
344 #define FM_RX_IFFREQ_HILO_AUTOMATIC 0x2
345 
346 /*
347  * Default RX mode configuration. Chip will be configured
348  * with this default values after loading RX firmware.
349  */
350 #define FM_DEFAULT_RX_VOLUME 10
351 #define FM_DEFAULT_RSSI_THRESHOLD 3
352 
353 /* Range for TX power level in units for dB/uV */
354 #define FM_PWR_LVL_LOW 91
355 #define FM_PWR_LVL_HIGH 122
356 
357 /* Chip specific default TX power level value */
358 #define FM_PWR_LVL_DEF 4
359 
360 /* FM TX Pre-emphasis filter values */
361 #define FM_TX_PREEMPH_OFF 1
362 #define FM_TX_PREEMPH_50US 0
363 #define FM_TX_PREEMPH_75US 2
364 
365 /* FM TX antenna impedance values */
366 #define FM_TX_ANT_IMP_50 0
367 #define FM_TX_ANT_IMP_200 1
368 #define FM_TX_ANT_IMP_500 2
369 
370 /* Functions exported by FM common sub-module */
371 int fmc_prepare(struct fmdev *);
372 int fmc_release(struct fmdev *);
373 
374 void fmc_update_region_info(struct fmdev *, u8);
375 int fmc_send_cmd(struct fmdev *, u8, u16,
376  void *, unsigned int, void *, int *);
377 int fmc_is_rds_data_available(struct fmdev *, struct file *,
378  struct poll_table_struct *);
379 int fmc_transfer_rds_from_internal_buff(struct fmdev *, struct file *,
380  u8 __user *, size_t);
381 
382 int fmc_set_freq(struct fmdev *, u32);
383 int fmc_set_mode(struct fmdev *, u8);
384 int fmc_set_region(struct fmdev *, u8);
385 int fmc_set_mute_mode(struct fmdev *, u8);
386 int fmc_set_stereo_mono(struct fmdev *, u16);
387 int fmc_set_rds_mode(struct fmdev *, u8);
388 
389 int fmc_get_freq(struct fmdev *, u32 *);
390 int fmc_get_region(struct fmdev *, u8 *);
391 int fmc_get_mode(struct fmdev *, u8 *);
392 
393 /*
394  * channel spacing
395  */
396 #define FM_CHANNEL_SPACING_50KHZ 1
397 #define FM_CHANNEL_SPACING_100KHZ 2
398 #define FM_CHANNEL_SPACING_200KHZ 4
399 #define FM_FREQ_MUL 50
400 
401 #endif
402