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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 {
32 	u8 opcode;
33 	u8 type;
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 {
138 	__u8 fm_op;
139 	struct completion *completion;
140 };
141 
142 #define fm_cb(skb) ((struct fm_skb_cb *)(skb->cb))
143 
144 /* FM Channel-8 command message format */
145 struct fm_cmd_msg_hdr {
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));
152 
153 #define FM_CMD_MSG_HDR_SIZE    5	/* sizeof(struct fm_cmd_msg_hdr) */
154 
155 /* FM Channel-8 event messgage format */
156 struct fm_event_msg_hdr {
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));
165 
166 #define FM_EVT_MSG_HDR_SIZE     7	/* sizeof(struct fm_event_msg_hdr) */
167 
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 
403