📄 tvp5150_ti.c
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/*
* tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
*
* Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
* This code is placed under the terms of the GNU General Public License v2
*/
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <linux/delay.h>
11 #include <linux/video_decoder.h>
12 #include <media/v4l2-common.h>
13
14 #include "tvp5150_reg.h"
15
16 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
17 MODULE_AUTHOR("Mauro Carvalho Chehab");
18 MODULE_LICENSE("GPL");
19
20 /* standard i2c insmod options */
21 static unsigned short normal_i2c[] = {
22 0xb8 >> 1,
23 0xba >> 1,
24 I2C_CLIENT_END
25 };
26
27 I2C_CLIENT_INSMOD;
28
29 static int debug = 0;
30 module_param(debug, int, 0);
31 MODULE_PARM_DESC(debug, "Debug level (0-1)");
32
33 #define tvp5150_err(fmt, arg...) do { \
34 printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \
35 i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
36 #define tvp5150_info(fmt, arg...) do { \
37 printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
38 i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
39 #define tvp5150_dbg(num, fmt, arg...) \
40 do { \
41 if (debug >= num) \
42 printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
43 c->driver->driver.name, \
44 i2c_adapter_id(c->adapter), \
45 c->addr , ## arg); } while (0)
46
47 /* supported controls */
48 static struct v4l2_queryctrl tvp5150_qctrl[] = {
49 {
50 .id = V4L2_CID_BRIGHTNESS,
51 .type = V4L2_CTRL_TYPE_INTEGER,
52 .name = "Brightness",
53 .minimum = 0,
54 .maximum = 255,
55 .step = 1,
56 .default_value = 128,
57 .flags = 0,
58 }, {
59 .id = V4L2_CID_CONTRAST,
60 .type = V4L2_CTRL_TYPE_INTEGER,
61 .name = "Contrast",
62 .minimum = 0,
63 .maximum = 255,
64 .step = 0x1,
65 .default_value = 128,
66 .flags = 0,
67 }, {
68 .id = V4L2_CID_SATURATION,
69 .type = V4L2_CTRL_TYPE_INTEGER,
70 .name = "Saturation",
71 .minimum = 0,
72 .maximum = 255,
73 .step = 0x1,
74 .default_value = 128,
75 .flags = 0,
76 }, {
77 .id = V4L2_CID_HUE,
78 .type = V4L2_CTRL_TYPE_INTEGER,
79 .name = "Hue",
80 .minimum = -128,
81 .maximum = 127,
82 .step = 0x1,
83 .default_value = 0,
84 .flags = 0,
85 }
86 };
87
88 struct tvp5150 {
89 struct i2c_client *client;
90
91 v4l2_std_id norm; /* Current set standard */
92 int input;
93 int enable;
94 int bright;
95 int contrast;
96 int hue;
97 int sat;
98 };
99
100 static int tvp5150_read(struct i2c_client *c, unsigned char addr)
101 {
102 unsigned char buffer[1];
103 int rc;
104
105 buffer[0] = addr;
106 if (1 != (rc = i2c_master_send(c, buffer, 1)))
107 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
108
109 msleep(10);
110
111 if (1 != (rc = i2c_master_recv(c, buffer, 1)))
112 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
113
114 tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
115
116 return (buffer[0]);
117 }
118
119 static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
120 unsigned char value)
121 {
122 unsigned char buffer[2];
123 int rc;
124
125 buffer[0] = addr;
126 buffer[1] = value;
127 tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
128 if (2 != (rc = i2c_master_send(c, buffer, 2)))
129 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
130 }
131
132 static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line)
133 {
134 int i=0;
135
136 while (init!=(u8)(end+1)) {
137 if ((i%max_line) == 0) {
138 if (i>0)
139 printk("\n");
140 printk("tvp5150: %s reg 0x%02x = ",s,init);
141 }
142 printk("%02x ",tvp5150_read(c, init));
143
144 init++;
145 i++;
146 }
147 printk("\n");
148 }
149
150 static void dump_reg(struct i2c_client *c)
151 {
152 printk("tvp5150: Video input source selection #1 = 0x%02x\n",
153 tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
154 printk("tvp5150: Analog channel controls = 0x%02x\n",
155 tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
156 printk("tvp5150: Operation mode controls = 0x%02x\n",
157 tvp5150_read(c, TVP5150_OP_MODE_CTL));
158 printk("tvp5150: Miscellaneous controls = 0x%02x\n",
159 tvp5150_read(c, TVP5150_MISC_CTL));
160 printk("tvp5150: Autoswitch mask= 0x%02x\n",
161 tvp5150_read(c, TVP5150_AUTOSW_MSK));
162 printk("tvp5150: Color killer threshold control = 0x%02x\n",
163 tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
164 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
165 tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1),
166 tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2),
167 tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
168 printk("tvp5150: Brightness control = 0x%02x\n",
169 tvp5150_read(c, TVP5150_BRIGHT_CTL));
170 printk("tvp5150: Color saturation control = 0x%02x\n",
171 tvp5150_read(c, TVP5150_SATURATION_CTL));
172 printk("tvp5150: Hue control = 0x%02x\n",
173 tvp5150_read(c, TVP5150_HUE_CTL));
174 printk("tvp5150: Contrast control = 0x%02x\n",
175 tvp5150_read(c, TVP5150_CONTRAST_CTL));
176 printk("tvp5150: Outputs and data rates select = 0x%02x\n",
177 tvp5150_read(c, TVP5150_DATA_RATE_SEL));
178 printk("tvp5150: Configuration shared pins = 0x%02x\n",
179 tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
180 printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
181 tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB),
182 tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
183 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
184 tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB),
185 tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
186 printk("tvp5150: Genlock/RTC = 0x%02x\n",
187 tvp5150_read(c, TVP5150_GENLOCK));
188 printk("tvp5150: Horizontal sync start = 0x%02x\n",
189 tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
190 printk("tvp5150: Vertical blanking start = 0x%02x\n",
191 tvp5150_read(c, TVP5150_VERT_BLANKING_START));
192 printk("tvp5150: Vertical blanking stop = 0x%02x\n",
193 tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
194 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
195 tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1),
196 tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
197 printk("tvp5150: Interrupt reset register B = 0x%02x\n",
198 tvp5150_read(c, TVP5150_INT_RESET_REG_B));
199 printk("tvp5150: Interrupt enable register B = 0x%02x\n",
200 tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
201 printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
202 tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
203 printk("tvp5150: Video standard = 0x%02x\n",
204 tvp5150_read(c, TVP5150_VIDEO_STD));
205 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
206 tvp5150_read(c, TVP5150_CB_GAIN_FACT),
207 tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
208 printk("tvp5150: Macrovision on counter = 0x%02x\n",
209 tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
210 printk("tvp5150: Macrovision off counter = 0x%02x\n",
211 tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
212 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
213 (tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4);
214 printk("tvp5150: Device ID = %02x%02x\n",
215 tvp5150_read(c, TVP5150_MSB_DEV_ID),
216 tvp5150_read(c, TVP5150_LSB_DEV_ID));
217 printk("tvp5150: ROM version = (hex) %02x.%02x\n",
218 tvp5150_read(c, TVP5150_ROM_MAJOR_VER),
219 tvp5150_read(c, TVP5150_ROM_MINOR_VER));
220 printk("tvp5150: Vertical line count = 0x%02x%02x\n",
221 tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB),
222 tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
223 printk("tvp5150: Interrupt status register B = 0x%02x\n",
224 tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
225 printk("tvp5150: Interrupt active register B = 0x%02x\n",
226 tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
227 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
228 tvp5150_read(c, TVP5150_STATUS_REG_1),
229 tvp5150_read(c, TVP5150_STATUS_REG_2),
230 tvp5150_read(c, TVP5150_STATUS_REG_3),
231 tvp5150_read(c, TVP5150_STATUS_REG_4),
232 tvp5150_read(c, TVP5150_STATUS_REG_5));
233
234 dump_reg_range(c,"Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
235 TVP5150_TELETEXT_FIL1_END,8);
236 dump_reg_range(c,"Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
237 TVP5150_TELETEXT_FIL2_END,8);
238
239 printk("tvp5150: Teletext filter enable = 0x%02x\n",
240 tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
241 printk("tvp5150: Interrupt status register A = 0x%02x\n",
242 tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
243 printk("tvp5150: Interrupt enable register A = 0x%02x\n",
244 tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
245 printk("tvp5150: Interrupt configuration = 0x%02x\n",
246 tvp5150_read(c, TVP5150_INT_CONF));
247 printk("tvp5150: VDP status register = 0x%02x\n",
248 tvp5150_read(c, TVP5150_VDP_STATUS_REG));
249 printk("tvp5150: FIFO word count = 0x%02x\n",
250 tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
251 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
252 tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
253 printk("tvp5150: FIFO reset = 0x%02x\n",
254 tvp5150_read(c, TVP5150_FIFO_RESET));
255 printk("tvp5150: Line number interrupt = 0x%02x\n",
256 tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
257 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
258 tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH),
259 tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
260 printk("tvp5150: FIFO output control = 0x%02x\n",
261 tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
262 printk("tvp5150: Full field enable = 0x%02x\n",
263 tvp5150_read(c, TVP5150_FULL_FIELD_ENA));
264 printk("tvp5150: Full field mode register = 0x%02x\n",
265 tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
266
267 dump_reg_range(c,"CC data", TVP5150_CC_DATA_INI,
268 TVP5150_CC_DATA_END,8);
269
270 dump_reg_range(c,"WSS data", TVP5150_WSS_DATA_INI,
271 TVP5150_WSS_DATA_END,8);
272
273 dump_reg_range(c,"VPS data", TVP5150_VPS_DATA_INI,
274 TVP5150_VPS_DATA_END,8);
275
276 dump_reg_range(c,"VITC data", TVP5150_VITC_DATA_INI,
277 TVP5150_VITC_DATA_END,10);
278
279 dump_reg_range(c,"Line mode", TVP5150_LINE_MODE_INI,
280 TVP5150_LINE_MODE_END,8);
281 }
282
283 /****************************************************************************
284 Basic functions
285 ****************************************************************************/
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