1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Driver for the Conexant CX25821 PCIe bridge |
4 | * |
5 | * Copyright (C) 2009 Conexant Systems Inc. |
6 | * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> |
7 | * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver |
8 | */ |
9 | |
10 | #ifndef CX25821_H_ |
11 | #define CX25821_H_ |
12 | |
13 | #include <linux/pci.h> |
14 | #include <linux/i2c.h> |
15 | #include <linux/interrupt.h> |
16 | #include <linux/delay.h> |
17 | #include <linux/sched.h> |
18 | #include <linux/kdev_t.h> |
19 | |
20 | #include <media/v4l2-common.h> |
21 | #include <media/v4l2-device.h> |
22 | #include <media/v4l2-ctrls.h> |
23 | #include <media/videobuf2-v4l2.h> |
24 | #include <media/videobuf2-dma-sg.h> |
25 | |
26 | #include "cx25821-reg.h" |
27 | #include "cx25821-medusa-reg.h" |
28 | #include "cx25821-sram.h" |
29 | #include "cx25821-audio.h" |
30 | |
31 | #include <linux/mutex.h> |
32 | |
33 | #define UNSET (-1U) |
34 | #define NO_SYNC_LINE (-1U) |
35 | |
36 | #define CX25821_MAXBOARDS 2 |
37 | |
38 | #define LINE_SIZE_D1 1440 |
39 | |
40 | /* Number of decoders and encoders */ |
41 | #define MAX_DECODERS 8 |
42 | #define MAX_ENCODERS 2 |
43 | #define QUAD_DECODERS 4 |
44 | #define MAX_CAMERAS 16 |
45 | |
46 | /* Max number of inputs by card */ |
47 | #define MAX_CX25821_INPUT 8 |
48 | #define RESOURCE_VIDEO0 1 |
49 | #define RESOURCE_VIDEO1 2 |
50 | #define RESOURCE_VIDEO2 4 |
51 | #define RESOURCE_VIDEO3 8 |
52 | #define RESOURCE_VIDEO4 16 |
53 | #define RESOURCE_VIDEO5 32 |
54 | #define RESOURCE_VIDEO6 64 |
55 | #define RESOURCE_VIDEO7 128 |
56 | #define RESOURCE_VIDEO8 256 |
57 | #define RESOURCE_VIDEO9 512 |
58 | #define RESOURCE_VIDEO10 1024 |
59 | #define RESOURCE_VIDEO11 2048 |
60 | |
61 | #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ |
62 | |
63 | #define UNKNOWN_BOARD 0 |
64 | #define CX25821_BOARD 1 |
65 | |
66 | /* Currently supported by the driver */ |
67 | #define CX25821_NORMS (\ |
68 | V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \ |
69 | V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ |
70 | V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \ |
71 | V4L2_STD_PAL_Nc) |
72 | |
73 | #define CX25821_BOARD_CONEXANT_ATHENA10 1 |
74 | #define MAX_VID_CHANNEL_NUM 12 |
75 | |
76 | /* |
77 | * Maximum capture-only channels. This can go away once video/audio output |
78 | * is fully supported in this driver. |
79 | */ |
80 | #define MAX_VID_CAP_CHANNEL_NUM 10 |
81 | |
82 | #define VID_CHANNEL_NUM 8 |
83 | |
84 | struct cx25821_fmt { |
85 | u32 fourcc; /* v4l2 format id */ |
86 | int depth; |
87 | int flags; |
88 | u32 cxformat; |
89 | }; |
90 | |
91 | struct cx25821_tvnorm { |
92 | char *name; |
93 | v4l2_std_id id; |
94 | u32 cxiformat; |
95 | u32 cxoformat; |
96 | }; |
97 | |
98 | enum cx25821_src_sel_type { |
99 | CX25821_SRC_SEL_EXT_656_VIDEO = 0, |
100 | CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO |
101 | }; |
102 | |
103 | struct cx25821_riscmem { |
104 | unsigned int size; |
105 | __le32 *cpu; |
106 | __le32 *jmp; |
107 | dma_addr_t dma; |
108 | }; |
109 | |
110 | /* buffer for one video frame */ |
111 | struct cx25821_buffer { |
112 | /* common v4l buffer stuff -- must be first */ |
113 | struct vb2_v4l2_buffer vb; |
114 | struct list_head queue; |
115 | |
116 | /* cx25821 specific */ |
117 | unsigned int bpl; |
118 | struct cx25821_riscmem risc; |
119 | const struct cx25821_fmt *fmt; |
120 | }; |
121 | |
122 | enum port { |
123 | CX25821_UNDEFINED = 0, |
124 | CX25821_RAW, |
125 | CX25821_264 |
126 | }; |
127 | |
128 | struct cx25821_board { |
129 | const char *name; |
130 | enum port porta; |
131 | enum port portb; |
132 | enum port portc; |
133 | |
134 | u32 clk_freq; |
135 | }; |
136 | |
137 | struct cx25821_i2c { |
138 | struct cx25821_dev *dev; |
139 | |
140 | int nr; |
141 | |
142 | /* i2c i/o */ |
143 | struct i2c_adapter i2c_adap; |
144 | struct i2c_client i2c_client; |
145 | u32 i2c_rc; |
146 | |
147 | /* cx25821 registers used for raw address */ |
148 | u32 i2c_period; |
149 | u32 reg_ctrl; |
150 | u32 reg_stat; |
151 | u32 reg_addr; |
152 | u32 reg_rdata; |
153 | u32 reg_wdata; |
154 | }; |
155 | |
156 | struct cx25821_dmaqueue { |
157 | struct list_head active; |
158 | u32 count; |
159 | }; |
160 | |
161 | struct cx25821_dev; |
162 | |
163 | struct cx25821_channel; |
164 | |
165 | struct cx25821_video_out_data { |
166 | struct cx25821_channel *chan; |
167 | int _line_size; |
168 | int _prog_cnt; |
169 | int _pixel_format; |
170 | int _is_first_frame; |
171 | int _is_running; |
172 | int _file_status; |
173 | int _lines_count; |
174 | int _frame_count; |
175 | unsigned int _risc_size; |
176 | |
177 | __le32 *_dma_virt_start_addr; |
178 | __le32 *_dma_virt_addr; |
179 | dma_addr_t _dma_phys_addr; |
180 | dma_addr_t _dma_phys_start_addr; |
181 | |
182 | unsigned int _data_buf_size; |
183 | __le32 *_data_buf_virt_addr; |
184 | dma_addr_t _data_buf_phys_addr; |
185 | |
186 | u32 upstream_riscbuf_size; |
187 | u32 upstream_databuf_size; |
188 | int is_60hz; |
189 | int _frame_index; |
190 | int cur_frame_index; |
191 | int curpos; |
192 | wait_queue_head_t waitq; |
193 | }; |
194 | |
195 | struct cx25821_channel { |
196 | unsigned id; |
197 | struct cx25821_dev *dev; |
198 | |
199 | struct v4l2_ctrl_handler hdl; |
200 | |
201 | struct video_device vdev; |
202 | struct cx25821_dmaqueue dma_vidq; |
203 | struct vb2_queue vidq; |
204 | |
205 | const struct sram_channel *sram_channels; |
206 | |
207 | const struct cx25821_fmt *fmt; |
208 | unsigned field; |
209 | unsigned int width, height; |
210 | int pixel_formats; |
211 | int use_cif_resolution; |
212 | int cif_width; |
213 | |
214 | /* video output data for the video output channel */ |
215 | struct cx25821_video_out_data *out; |
216 | }; |
217 | |
218 | struct snd_card; |
219 | |
220 | struct cx25821_dev { |
221 | struct v4l2_device v4l2_dev; |
222 | |
223 | /* pci stuff */ |
224 | struct pci_dev *pci; |
225 | unsigned char pci_rev, pci_lat; |
226 | int pci_bus, pci_slot; |
227 | u32 base_io_addr; |
228 | u32 __iomem *lmmio; |
229 | u8 __iomem *bmmio; |
230 | int pci_irqmask; |
231 | int hwrevision; |
232 | /* used by cx25821-alsa */ |
233 | struct snd_card *card; |
234 | |
235 | u32 clk_freq; |
236 | |
237 | /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ |
238 | struct cx25821_i2c i2c_bus[3]; |
239 | |
240 | int nr; |
241 | struct mutex lock; |
242 | |
243 | struct cx25821_channel channels[MAX_VID_CHANNEL_NUM]; |
244 | |
245 | /* board details */ |
246 | unsigned int board; |
247 | char name[32]; |
248 | |
249 | /* Analog video */ |
250 | unsigned int input; |
251 | v4l2_std_id tvnorm; |
252 | unsigned short _max_num_decoders; |
253 | |
254 | /* Analog Audio Upstream */ |
255 | int _audio_is_running; |
256 | int _audiopixel_format; |
257 | int _is_first_audio_frame; |
258 | int _audiofile_status; |
259 | int _audio_lines_count; |
260 | int _audioframe_count; |
261 | int _audio_upstream_channel; |
262 | int _last_index_irq; /* The last interrupt index processed. */ |
263 | |
264 | __le32 *_risc_audio_jmp_addr; |
265 | __le32 *_risc_virt_start_addr; |
266 | __le32 *_risc_virt_addr; |
267 | dma_addr_t _risc_phys_addr; |
268 | dma_addr_t _risc_phys_start_addr; |
269 | |
270 | unsigned int _audiorisc_size; |
271 | unsigned int _audiodata_buf_size; |
272 | __le32 *_audiodata_buf_virt_addr; |
273 | dma_addr_t _audiodata_buf_phys_addr; |
274 | char *_audiofilename; |
275 | u32 audio_upstream_riscbuf_size; |
276 | u32 audio_upstream_databuf_size; |
277 | int _audioframe_index; |
278 | struct work_struct _audio_work_entry; |
279 | char *input_audiofilename; |
280 | |
281 | /* V4l */ |
282 | spinlock_t slock; |
283 | |
284 | /* Video Upstream */ |
285 | struct cx25821_video_out_data vid_out_data[2]; |
286 | }; |
287 | |
288 | static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev) |
289 | { |
290 | return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev); |
291 | } |
292 | |
293 | extern struct cx25821_board cx25821_boards[]; |
294 | |
295 | #define SRAM_CH00 0 /* Video A */ |
296 | #define SRAM_CH01 1 /* Video B */ |
297 | #define SRAM_CH02 2 /* Video C */ |
298 | #define SRAM_CH03 3 /* Video D */ |
299 | #define SRAM_CH04 4 /* Video E */ |
300 | #define SRAM_CH05 5 /* Video F */ |
301 | #define SRAM_CH06 6 /* Video G */ |
302 | #define SRAM_CH07 7 /* Video H */ |
303 | |
304 | #define SRAM_CH08 8 /* Audio A */ |
305 | #define SRAM_CH09 9 /* Video Upstream I */ |
306 | #define SRAM_CH10 10 /* Video Upstream J */ |
307 | #define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */ |
308 | |
309 | #define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09 |
310 | #define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10 |
311 | #define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11 |
312 | |
313 | struct sram_channel { |
314 | char *name; |
315 | u32 i; |
316 | u32 cmds_start; |
317 | u32 ctrl_start; |
318 | u32 cdt; |
319 | u32 fifo_start; |
320 | u32 fifo_size; |
321 | u32 ptr1_reg; |
322 | u32 ptr2_reg; |
323 | u32 cnt1_reg; |
324 | u32 cnt2_reg; |
325 | u32 int_msk; |
326 | u32 int_stat; |
327 | u32 int_mstat; |
328 | u32 dma_ctl; |
329 | u32 gpcnt_ctl; |
330 | u32 gpcnt; |
331 | u32 aud_length; |
332 | u32 aud_cfg; |
333 | u32 fld_aud_fifo_en; |
334 | u32 fld_aud_risc_en; |
335 | |
336 | /* For Upstream Video */ |
337 | u32 vid_fmt_ctl; |
338 | u32 vid_active_ctl1; |
339 | u32 vid_active_ctl2; |
340 | u32 vid_cdt_size; |
341 | |
342 | u32 vip_ctl; |
343 | u32 pix_frmt; |
344 | u32 jumponly; |
345 | u32 irq_bit; |
346 | }; |
347 | |
348 | extern const struct sram_channel cx25821_sram_channels[]; |
349 | |
350 | #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) |
351 | #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) |
352 | |
353 | #define cx_andor(reg, mask, value) \ |
354 | writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ |
355 | ((value) & (mask)), dev->lmmio+((reg)>>2)) |
356 | |
357 | #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) |
358 | #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) |
359 | |
360 | #define Set_GPIO_Bit(Bit) (1 << Bit) |
361 | #define Clear_GPIO_Bit(Bit) (~(1 << Bit)) |
362 | |
363 | #define CX25821_ERR(fmt, args...) \ |
364 | pr_err("(%d): " fmt, dev->board, ##args) |
365 | #define CX25821_WARN(fmt, args...) \ |
366 | pr_warn("(%d): " fmt, dev->board, ##args) |
367 | #define CX25821_INFO(fmt, args...) \ |
368 | pr_info("(%d): " fmt, dev->board, ##args) |
369 | |
370 | extern int cx25821_i2c_register(struct cx25821_i2c *bus); |
371 | extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value); |
372 | extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value); |
373 | extern int cx25821_i2c_unregister(struct cx25821_i2c *bus); |
374 | extern void cx25821_gpio_init(struct cx25821_dev *dev); |
375 | extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev, |
376 | int pin_number, int pin_logic_value); |
377 | |
378 | extern int medusa_video_init(struct cx25821_dev *dev); |
379 | extern int medusa_set_videostandard(struct cx25821_dev *dev); |
380 | extern void medusa_set_resolution(struct cx25821_dev *dev, int width, |
381 | int decoder_select); |
382 | extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness, |
383 | int decoder); |
384 | extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast, |
385 | int decoder); |
386 | extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder); |
387 | extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation, |
388 | int decoder); |
389 | |
390 | extern int cx25821_sram_channel_setup(struct cx25821_dev *dev, |
391 | const struct sram_channel *ch, unsigned int bpl, |
392 | u32 risc); |
393 | |
394 | extern int cx25821_riscmem_alloc(struct pci_dev *pci, |
395 | struct cx25821_riscmem *risc, |
396 | unsigned int size); |
397 | extern int cx25821_risc_buffer(struct pci_dev *pci, struct cx25821_riscmem *risc, |
398 | struct scatterlist *sglist, |
399 | unsigned int top_offset, |
400 | unsigned int bottom_offset, |
401 | unsigned int bpl, |
402 | unsigned int padding, unsigned int lines); |
403 | extern int cx25821_risc_databuffer_audio(struct pci_dev *pci, |
404 | struct cx25821_riscmem *risc, |
405 | struct scatterlist *sglist, |
406 | unsigned int bpl, |
407 | unsigned int lines, unsigned int lpi); |
408 | extern void cx25821_free_buffer(struct cx25821_dev *dev, |
409 | struct cx25821_buffer *buf); |
410 | extern void cx25821_sram_channel_dump(struct cx25821_dev *dev, |
411 | const struct sram_channel *ch); |
412 | extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, |
413 | const struct sram_channel *ch); |
414 | |
415 | extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci); |
416 | extern void cx25821_print_irqbits(char *name, char *tag, char **strings, |
417 | int len, u32 bits, u32 mask); |
418 | extern void cx25821_dev_unregister(struct cx25821_dev *dev); |
419 | extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev, |
420 | const struct sram_channel *ch, |
421 | unsigned int bpl, u32 risc); |
422 | |
423 | extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel, |
424 | u32 format); |
425 | |
426 | #endif |
427 | |