1 /*
2 * cobalt driver internal defines and structures
3 *
4 * Derived from cx18-driver.h
5 *
6 * Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
7 * All rights reserved.
8 *
9 * This program is free software; you may redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
15 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
17 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
18 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 #ifndef COBALT_DRIVER_H
24 #define COBALT_DRIVER_H
25
26 #include <linux/module.h>
27 #include <linux/pci.h>
28 #include <linux/spinlock.h>
29 #include <linux/i2c.h>
30 #include <linux/list.h>
31 #include <linux/workqueue.h>
32 #include <linux/mutex.h>
33
34 #include <media/v4l2-common.h>
35 #include <media/v4l2-ioctl.h>
36 #include <media/v4l2-device.h>
37 #include <media/v4l2-fh.h>
38 #include <media/videobuf2-v4l2.h>
39 #include <media/videobuf2-dma-sg.h>
40
41 #include "m00233_video_measure_memmap_package.h"
42 #include "m00235_fdma_packer_memmap_package.h"
43 #include "m00389_cvi_memmap_package.h"
44 #include "m00460_evcnt_memmap_package.h"
45 #include "m00473_freewheel_memmap_package.h"
46 #include "m00479_clk_loss_detector_memmap_package.h"
47 #include "m00514_syncgen_flow_evcnt_memmap_package.h"
48
49 /* System device ID */
50 #define PCI_DEVICE_ID_COBALT 0x2732
51
52 /* Number of cobalt device nodes. */
53 #define COBALT_NUM_INPUTS 4
54 #define COBALT_NUM_NODES 6
55
56 /* Number of cobalt device streams. */
57 #define COBALT_NUM_STREAMS 12
58
59 #define COBALT_HSMA_IN_NODE 4
60 #define COBALT_HSMA_OUT_NODE 5
61
62 /* Cobalt audio streams */
63 #define COBALT_AUDIO_IN_STREAM 6
64 #define COBALT_AUDIO_OUT_STREAM 11
65
66 /* DMA stuff */
67 #define DMA_CHANNELS_MAX 16
68
69 /* i2c stuff */
70 #define I2C_CLIENTS_MAX 16
71 #define COBALT_NUM_ADAPTERS 5
72
73 #define COBALT_CLK 50000000
74
75 /* System status register */
76 #define COBALT_SYSSTAT_DIP0_MSK (1 << 0)
77 #define COBALT_SYSSTAT_DIP1_MSK (1 << 1)
78 #define COBALT_SYSSTAT_HSMA_PRSNTN_MSK (1 << 2)
79 #define COBALT_SYSSTAT_FLASH_RDYBSYN_MSK (1 << 3)
80 #define COBALT_SYSSTAT_VI0_5V_MSK (1 << 4)
81 #define COBALT_SYSSTAT_VI0_INT1_MSK (1 << 5)
82 #define COBALT_SYSSTAT_VI0_INT2_MSK (1 << 6)
83 #define COBALT_SYSSTAT_VI0_LOST_DATA_MSK (1 << 7)
84 #define COBALT_SYSSTAT_VI1_5V_MSK (1 << 8)
85 #define COBALT_SYSSTAT_VI1_INT1_MSK (1 << 9)
86 #define COBALT_SYSSTAT_VI1_INT2_MSK (1 << 10)
87 #define COBALT_SYSSTAT_VI1_LOST_DATA_MSK (1 << 11)
88 #define COBALT_SYSSTAT_VI2_5V_MSK (1 << 12)
89 #define COBALT_SYSSTAT_VI2_INT1_MSK (1 << 13)
90 #define COBALT_SYSSTAT_VI2_INT2_MSK (1 << 14)
91 #define COBALT_SYSSTAT_VI2_LOST_DATA_MSK (1 << 15)
92 #define COBALT_SYSSTAT_VI3_5V_MSK (1 << 16)
93 #define COBALT_SYSSTAT_VI3_INT1_MSK (1 << 17)
94 #define COBALT_SYSSTAT_VI3_INT2_MSK (1 << 18)
95 #define COBALT_SYSSTAT_VI3_LOST_DATA_MSK (1 << 19)
96 #define COBALT_SYSSTAT_VIHSMA_5V_MSK (1 << 20)
97 #define COBALT_SYSSTAT_VIHSMA_INT1_MSK (1 << 21)
98 #define COBALT_SYSSTAT_VIHSMA_INT2_MSK (1 << 22)
99 #define COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK (1 << 23)
100 #define COBALT_SYSSTAT_VOHSMA_INT1_MSK (1 << 24)
101 #define COBALT_SYSSTAT_VOHSMA_PLL_LOCKED_MSK (1 << 25)
102 #define COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK (1 << 26)
103 #define COBALT_SYSSTAT_AUD_PLL_LOCKED_MSK (1 << 28)
104 #define COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK (1 << 29)
105 #define COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK (1 << 30)
106 #define COBALT_SYSSTAT_PCIE_SMBCLK_MSK (1 << 31)
107
108 /* Cobalt memory map */
109 #define COBALT_I2C_0_BASE 0x0
110 #define COBALT_I2C_1_BASE 0x080
111 #define COBALT_I2C_2_BASE 0x100
112 #define COBALT_I2C_3_BASE 0x180
113 #define COBALT_I2C_HSMA_BASE 0x200
114
115 #define COBALT_SYS_CTRL_BASE 0x400
116 #define COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT 1
117 #define COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(n) (4 + 4 * (n))
118 #define COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(n) (5 + 4 * (n))
119 #define COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(n) (6 + 4 * (n))
120 #define COBALT_SYS_CTRL_AUDIO_IPP_RESETN_BIT(n) (7 + 4 * (n))
121 #define COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT 24
122 #define COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT 25
123 #define COBALT_SYS_CTRL_AUDIO_OPP_RESETN_BIT 27
124
125 #define COBALT_SYS_STAT_BASE 0x500
126 #define COBALT_SYS_STAT_MASK (COBALT_SYS_STAT_BASE + 0x08)
127 #define COBALT_SYS_STAT_EDGE (COBALT_SYS_STAT_BASE + 0x0c)
128
129 #define COBALT_HDL_INFO_BASE 0x4800
130 #define COBALT_HDL_INFO_SIZE 0x200
131
132 #define COBALT_VID_BASE 0x10000
133 #define COBALT_VID_SIZE 0x1000
134
135 #define COBALT_CVI(cobalt, c) \
136 (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE)
137 #define COBALT_CVI_VMR(cobalt, c) \
138 (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x100)
139 #define COBALT_CVI_EVCNT(cobalt, c) \
140 (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x200)
141 #define COBALT_CVI_FREEWHEEL(cobalt, c) \
142 (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x300)
143 #define COBALT_CVI_CLK_LOSS(cobalt, c) \
144 (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x400)
145 #define COBALT_CVI_PACKER(cobalt, c) \
146 (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x500)
147
148 #define COBALT_TX_BASE(cobalt) (cobalt->bar1 + COBALT_VID_BASE + 0x5000)
149
150 #define DMA_INTERRUPT_STATUS_REG 0x08
151
152 #define COBALT_HDL_SEARCH_STR "** HDL version info **"
153
154 /* Cobalt CPU bus interface */
155 #define COBALT_BUS_BAR1_BASE 0x600
156 #define COBALT_BUS_SRAM_BASE 0x0
157 #define COBALT_BUS_CPLD_BASE 0x00600000
158 #define COBALT_BUS_FLASH_BASE 0x08000000
159
160 /* FDMA to PCIe packing */
161 #define COBALT_BYTES_PER_PIXEL_YUYV 2
162 #define COBALT_BYTES_PER_PIXEL_RGB24 3
163 #define COBALT_BYTES_PER_PIXEL_RGB32 4
164
165 /* debugging */
166 extern int cobalt_debug;
167 extern int cobalt_ignore_err;
168
169 #define cobalt_err(fmt, arg...) v4l2_err(&cobalt->v4l2_dev, fmt, ## arg)
170 #define cobalt_warn(fmt, arg...) v4l2_warn(&cobalt->v4l2_dev, fmt, ## arg)
171 #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
172 #define cobalt_dbg(level, fmt, arg...) \
173 v4l2_dbg(level, cobalt_debug, &cobalt->v4l2_dev, fmt, ## arg)
174
175 struct cobalt;
176 struct cobalt_i2c_regs;
177
178 /* Per I2C bus private algo callback data */
179 struct cobalt_i2c_data {
180 struct cobalt *cobalt;
181 struct cobalt_i2c_regs __iomem *regs;
182 };
183
184 struct pci_consistent_buffer {
185 void *virt;
186 dma_addr_t bus;
187 size_t bytes;
188 };
189
190 struct sg_dma_desc_info {
191 void *virt;
192 dma_addr_t bus;
193 unsigned size;
194 void *last_desc_virt;
195 struct device *dev;
196 };
197
198 #define COBALT_MAX_WIDTH 1920
199 #define COBALT_MAX_HEIGHT 1200
200 #define COBALT_MAX_BPP 3
201 #define COBALT_MAX_FRAMESZ \
202 (COBALT_MAX_WIDTH * COBALT_MAX_HEIGHT * COBALT_MAX_BPP)
203
204 #define NR_BUFS VIDEO_MAX_FRAME
205
206 #define COBALT_STREAM_FL_DMA_IRQ 0
207 #define COBALT_STREAM_FL_ADV_IRQ 1
208
209 struct cobalt_buffer {
210 struct vb2_v4l2_buffer vb;
211 struct list_head list;
212 };
213
214 static inline
to_cobalt_buffer(struct vb2_v4l2_buffer * vb2)215 struct cobalt_buffer *to_cobalt_buffer(struct vb2_v4l2_buffer *vb2)
216 {
217 return container_of(vb2, struct cobalt_buffer, vb);
218 }
219
220 struct cobalt_stream {
221 struct video_device vdev;
222 struct vb2_queue q;
223 struct list_head bufs;
224 struct i2c_adapter *i2c_adap;
225 struct v4l2_subdev *sd;
226 struct mutex lock;
227 spinlock_t irqlock;
228 struct v4l2_dv_timings timings;
229 u32 input;
230 u32 pad_source;
231 u32 width, height, bpp;
232 u32 stride;
233 u32 pixfmt;
234 u32 sequence;
235 u32 colorspace;
236 u32 xfer_func;
237 u32 ycbcr_enc;
238 u32 quantization;
239
240 u8 dma_channel;
241 int video_channel;
242 unsigned dma_fifo_mask;
243 unsigned adv_irq_mask;
244 struct sg_dma_desc_info dma_desc_info[NR_BUFS];
245 unsigned long flags;
246 bool unstable_frame;
247 bool enable_cvi;
248 bool enable_freewheel;
249 unsigned skip_first_frames;
250 bool is_output;
251 bool is_audio;
252 bool is_dummy;
253
254 struct cobalt *cobalt;
255 struct snd_cobalt_card *alsa;
256 };
257
258 struct snd_cobalt_card;
259
260 /* Struct to hold info about cobalt cards */
261 struct cobalt {
262 int instance;
263 struct pci_dev *pci_dev;
264 struct v4l2_device v4l2_dev;
265 void *alloc_ctx;
266
267 void __iomem *bar0, *bar1;
268
269 u8 card_rev;
270 u16 device_id;
271
272 /* device nodes */
273 struct cobalt_stream streams[DMA_CHANNELS_MAX];
274 struct i2c_adapter i2c_adap[COBALT_NUM_ADAPTERS];
275 struct cobalt_i2c_data i2c_data[COBALT_NUM_ADAPTERS];
276 bool have_hsma_rx;
277 bool have_hsma_tx;
278
279 /* irq */
280 struct workqueue_struct *irq_work_queues;
281 struct work_struct irq_work_queue; /* work entry */
282 /* irq counters */
283 u32 irq_adv1;
284 u32 irq_adv2;
285 u32 irq_advout;
286 u32 irq_dma_tot;
287 u32 irq_dma[COBALT_NUM_STREAMS];
288 u32 irq_none;
289 u32 irq_full_fifo;
290
291 bool msi_enabled;
292
293 /* omnitek dma */
294 int dma_channels;
295 int first_fifo_channel;
296 bool pci_32_bit;
297
298 char hdl_info[COBALT_HDL_INFO_SIZE];
299
300 /* NOR flash */
301 struct mtd_info *mtd;
302 };
303
to_cobalt(struct v4l2_device * v4l2_dev)304 static inline struct cobalt *to_cobalt(struct v4l2_device *v4l2_dev)
305 {
306 return container_of(v4l2_dev, struct cobalt, v4l2_dev);
307 }
308
cobalt_write_bar0(struct cobalt * cobalt,u32 reg,u32 val)309 static inline void cobalt_write_bar0(struct cobalt *cobalt, u32 reg, u32 val)
310 {
311 iowrite32(val, cobalt->bar0 + reg);
312 }
313
cobalt_read_bar0(struct cobalt * cobalt,u32 reg)314 static inline u32 cobalt_read_bar0(struct cobalt *cobalt, u32 reg)
315 {
316 return ioread32(cobalt->bar0 + reg);
317 }
318
cobalt_write_bar1(struct cobalt * cobalt,u32 reg,u32 val)319 static inline void cobalt_write_bar1(struct cobalt *cobalt, u32 reg, u32 val)
320 {
321 iowrite32(val, cobalt->bar1 + reg);
322 }
323
cobalt_read_bar1(struct cobalt * cobalt,u32 reg)324 static inline u32 cobalt_read_bar1(struct cobalt *cobalt, u32 reg)
325 {
326 return ioread32(cobalt->bar1 + reg);
327 }
328
cobalt_g_sysctrl(struct cobalt * cobalt)329 static inline u32 cobalt_g_sysctrl(struct cobalt *cobalt)
330 {
331 return cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
332 }
333
cobalt_s_bit_sysctrl(struct cobalt * cobalt,int bit,int val)334 static inline void cobalt_s_bit_sysctrl(struct cobalt *cobalt,
335 int bit, int val)
336 {
337 u32 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
338
339 cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE,
340 (ctrl & ~(1UL << bit)) | (val << bit));
341 }
342
cobalt_g_sysstat(struct cobalt * cobalt)343 static inline u32 cobalt_g_sysstat(struct cobalt *cobalt)
344 {
345 return cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE);
346 }
347
348 #define ADRS_REG (bar1 + COBALT_BUS_BAR1_BASE + 0)
349 #define LOWER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 4)
350 #define UPPER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 6)
351
cobalt_bus_read32(void __iomem * bar1,u32 bus_adrs)352 static inline u32 cobalt_bus_read32(void __iomem *bar1, u32 bus_adrs)
353 {
354 iowrite32(bus_adrs, ADRS_REG);
355 return ioread32(LOWER_DATA);
356 }
357
cobalt_bus_write16(void __iomem * bar1,u32 bus_adrs,u16 data)358 static inline void cobalt_bus_write16(void __iomem *bar1,
359 u32 bus_adrs, u16 data)
360 {
361 iowrite32(bus_adrs, ADRS_REG);
362 if (bus_adrs & 2)
363 iowrite16(data, UPPER_DATA);
364 else
365 iowrite16(data, LOWER_DATA);
366 }
367
cobalt_bus_write32(void __iomem * bar1,u32 bus_adrs,u16 data)368 static inline void cobalt_bus_write32(void __iomem *bar1,
369 u32 bus_adrs, u16 data)
370 {
371 iowrite32(bus_adrs, ADRS_REG);
372 if (bus_adrs & 2)
373 iowrite32(data, UPPER_DATA);
374 else
375 iowrite32(data, LOWER_DATA);
376 }
377
378 /*==============Prototypes==================*/
379
380 void cobalt_pcie_status_show(struct cobalt *cobalt);
381
382 #endif
383