Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1 | /* tuner-xc2028 |
| 2 | * |
| 3 | * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 4 | * |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 5 | * Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com) |
| 6 | * - frontend interface |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 7 | * |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 8 | * This code is placed under the terms of the GNU General Public License v2 |
| 9 | */ |
| 10 | |
| 11 | #include <linux/i2c.h> |
| 12 | #include <asm/div64.h> |
| 13 | #include <linux/firmware.h> |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 14 | #include <linux/videodev2.h> |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 15 | #include <linux/delay.h> |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 16 | #include <media/tuner.h> |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 17 | #include <linux/mutex.h> |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 18 | #include "tuner-i2c.h" |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 19 | #include "tuner-xc2028.h" |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 20 | #include "tuner-xc2028-types.h" |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 21 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 22 | #include <linux/dvb/frontend.h> |
| 23 | #include "dvb_frontend.h" |
| 24 | |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 25 | |
Hans Verkuil | 9dd659d | 2007-11-04 11:03:36 -0300 | [diff] [blame] | 26 | #define PREFIX "xc2028" |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 27 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 28 | static int debug; |
| 29 | module_param(debug, int, 0644); |
| 30 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
| 31 | |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 32 | static char audio_std[8]; |
| 33 | module_param_string(audio_std, audio_std, sizeof(audio_std), 0); |
| 34 | MODULE_PARM_DESC(audio_std, |
| 35 | "Audio standard. XC3028 audio decoder explicitly " |
| 36 | "needs to know what audio\n" |
| 37 | "standard is needed for some video standards with audio A2 or NICAM.\n" |
| 38 | "The valid values are:\n" |
| 39 | "A2\n" |
| 40 | "A2/A\n" |
| 41 | "A2/B\n" |
| 42 | "NICAM\n" |
| 43 | "NICAM/A\n" |
| 44 | "NICAM/B\n"); |
| 45 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 46 | static LIST_HEAD(xc2028_list); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 47 | /* struct for storing firmware table */ |
| 48 | struct firmware_description { |
| 49 | unsigned int type; |
| 50 | v4l2_std_id id; |
| 51 | unsigned char *ptr; |
| 52 | unsigned int size; |
| 53 | }; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 54 | |
| 55 | struct xc2028_data { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 56 | struct list_head xc2028_list; |
| 57 | struct tuner_i2c_props i2c_props; |
| 58 | int (*tuner_callback) (void *dev, |
| 59 | int command, int arg); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 60 | void *video_dev; |
| 61 | int count; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 62 | __u32 frequency; |
| 63 | |
| 64 | struct firmware_description *firm; |
| 65 | int firm_size; |
| 66 | |
| 67 | __u16 version; |
| 68 | |
| 69 | struct xc2028_ctrl ctrl; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 70 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 71 | v4l2_std_id firm_type; /* video stds supported |
| 72 | by current firmware */ |
| 73 | fe_bandwidth_t bandwidth; /* Firmware bandwidth: |
| 74 | 6M, 7M or 8M */ |
| 75 | int need_load_generic; /* The generic firmware |
| 76 | were loaded? */ |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 77 | |
| 78 | int max_len; /* Max firmware chunk */ |
| 79 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 80 | enum tuner_mode mode; |
| 81 | struct i2c_client *i2c_client; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 82 | |
| 83 | struct mutex lock; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 84 | }; |
| 85 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 86 | #define i2c_send(priv, buf, size) ({ \ |
| 87 | int _rc; \ |
| 88 | _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ |
| 89 | if (size != _rc) \ |
| 90 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ |
| 91 | _rc, (int)size); \ |
| 92 | _rc; \ |
| 93 | }) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 94 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 95 | #define i2c_rcv(priv, buf, size) ({ \ |
| 96 | int _rc; \ |
| 97 | _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ |
| 98 | if (size != _rc) \ |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 99 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 100 | _rc, (int)size); \ |
| 101 | _rc; \ |
| 102 | }) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 103 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 104 | #define send_seq(priv, data...) ({ \ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 105 | static u8 _val[] = data; \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 106 | int _rc; \ |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 107 | if (sizeof(_val) != \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 108 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 109 | _val, sizeof(_val)))) { \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 110 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
| 111 | } else \ |
| 112 | msleep(10); \ |
| 113 | _rc; \ |
| 114 | }) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 115 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 116 | static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 117 | { |
| 118 | int rc; |
Mauro Carvalho Chehab | b873e1a | 2007-11-05 08:41:50 -0300 | [diff] [blame] | 119 | unsigned char buf[2]; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 120 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 121 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 122 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 123 | buf[0] = reg>>8; |
| 124 | buf[1] = (unsigned char) reg; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 125 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 126 | rc = i2c_send(priv, buf, 2); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 127 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 128 | return rc; |
| 129 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 130 | rc = i2c_rcv(priv, buf, 2); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 131 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 132 | return rc; |
| 133 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 134 | return (buf[1]) | (buf[0] << 8); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 135 | } |
| 136 | |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 137 | void dump_firm_type(unsigned int type) |
| 138 | { |
| 139 | if (type & BASE) |
| 140 | printk("BASE "); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 141 | if (type & INIT1) |
| 142 | printk("INIT1 "); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 143 | if (type & F8MHZ) |
| 144 | printk("F8MHZ "); |
| 145 | if (type & MTS) |
| 146 | printk("MTS "); |
| 147 | if (type & D2620) |
| 148 | printk("D2620 "); |
| 149 | if (type & D2633) |
| 150 | printk("D2633 "); |
| 151 | if (type & DTV6) |
| 152 | printk("DTV6 "); |
| 153 | if (type & QAM) |
| 154 | printk("QAM "); |
| 155 | if (type & DTV7) |
| 156 | printk("DTV7 "); |
| 157 | if (type & DTV78) |
| 158 | printk("DTV78 "); |
| 159 | if (type & DTV8) |
| 160 | printk("DTV8 "); |
| 161 | if (type & FM) |
| 162 | printk("FM "); |
| 163 | if (type & INPUT1) |
| 164 | printk("INPUT1 "); |
| 165 | if (type & LCD) |
| 166 | printk("LCD "); |
| 167 | if (type & NOGD) |
| 168 | printk("NOGD "); |
| 169 | if (type & MONO) |
| 170 | printk("MONO "); |
| 171 | if (type & ATSC) |
| 172 | printk("ATSC "); |
| 173 | if (type & IF) |
| 174 | printk("IF "); |
| 175 | if (type & LG60) |
| 176 | printk("LG60 "); |
| 177 | if (type & ATI638) |
| 178 | printk("ATI638 "); |
| 179 | if (type & OREN538) |
| 180 | printk("OREN538 "); |
| 181 | if (type & OREN36) |
| 182 | printk("OREN36 "); |
| 183 | if (type & TOYOTA388) |
| 184 | printk("TOYOTA388 "); |
| 185 | if (type & TOYOTA794) |
| 186 | printk("TOYOTA794 "); |
| 187 | if (type & DIBCOM52) |
| 188 | printk("DIBCOM52 "); |
| 189 | if (type & ZARLINK456) |
| 190 | printk("ZARLINK456 "); |
| 191 | if (type & CHINA) |
| 192 | printk("CHINA "); |
| 193 | if (type & F6MHZ) |
| 194 | printk("F6MHZ "); |
| 195 | if (type & INPUT2) |
| 196 | printk("INPUT2 "); |
| 197 | if (type & SCODE) |
| 198 | printk("SCODE "); |
| 199 | } |
| 200 | |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 201 | static v4l2_std_id parse_audio_std_option(void) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 202 | { |
| 203 | if (strcasecmp(audio_std, "A2")) |
| 204 | return V4L2_STD_A2; |
| 205 | if (strcasecmp(audio_std, "A2/A")) |
| 206 | return V4L2_STD_A2_A; |
| 207 | if (strcasecmp(audio_std, "A2/B")) |
| 208 | return V4L2_STD_A2_B; |
| 209 | if (strcasecmp(audio_std, "NICAM")) |
| 210 | return V4L2_STD_NICAM; |
| 211 | if (strcasecmp(audio_std, "NICAM/A")) |
| 212 | return V4L2_STD_NICAM_A; |
| 213 | if (strcasecmp(audio_std, "NICAM/B")) |
| 214 | return V4L2_STD_NICAM_B; |
| 215 | |
| 216 | return 0; |
| 217 | } |
| 218 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 219 | static void free_firmware(struct xc2028_data *priv) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 220 | { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 221 | int i; |
| 222 | |
| 223 | if (!priv->firm) |
| 224 | return; |
| 225 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 226 | for (i = 0; i < priv->firm_size; i++) |
| 227 | kfree(priv->firm[i].ptr); |
| 228 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 229 | kfree(priv->firm); |
| 230 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 231 | priv->firm = NULL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 232 | priv->need_load_generic = 1; |
| 233 | } |
| 234 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 235 | static int load_all_firmwares(struct dvb_frontend *fe) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 236 | { |
| 237 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 238 | const struct firmware *fw = NULL; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 239 | unsigned char *p, *endp; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 240 | int rc = 0; |
| 241 | int n, n_array; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 242 | char name[33]; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 243 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 244 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 245 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 246 | tuner_info("Reading firmware %s\n", priv->ctrl.fname); |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 247 | rc = request_firmware(&fw, priv->ctrl.fname, |
| 248 | &priv->i2c_props.adap->dev); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 249 | if (rc < 0) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 250 | if (rc == -ENOENT) |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 251 | tuner_err("Error: firmware %s not found.\n", |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 252 | priv->ctrl.fname); |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 253 | else |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 254 | tuner_err("Error %d while requesting firmware %s \n", |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 255 | rc, priv->ctrl.fname); |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 256 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 257 | return rc; |
| 258 | } |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 259 | p = fw->data; |
| 260 | endp = p + fw->size; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 261 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 262 | if (fw->size < sizeof(name) - 1 + 2) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 263 | tuner_err("Error: firmware size is zero!\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 264 | rc = -EINVAL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 265 | goto done; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 266 | } |
| 267 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 268 | memcpy(name, p, sizeof(name) - 1); |
| 269 | name[sizeof(name) - 1] = 0; |
| 270 | p += sizeof(name) - 1; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 271 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 272 | priv->version = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 273 | p += 2; |
| 274 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 275 | tuner_info("Firmware: %s, ver %d.%d\n", name, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 276 | priv->version >> 8, priv->version & 0xff); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 277 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 278 | if (p + 2 > endp) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 279 | goto corrupt; |
| 280 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 281 | n_array = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 282 | p += 2; |
| 283 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 284 | tuner_info("There are %d firmwares at %s\n", |
| 285 | n_array, priv->ctrl.fname); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 286 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 287 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 288 | |
| 289 | if (!fw) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 290 | tuner_err("Not enough memory for reading firmware.\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 291 | rc = -ENOMEM; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 292 | goto done; |
| 293 | } |
| 294 | |
| 295 | priv->firm_size = n_array; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 296 | n = -1; |
| 297 | while (p < endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 298 | __u32 type, size; |
| 299 | v4l2_std_id id; |
| 300 | |
| 301 | n++; |
| 302 | if (n >= n_array) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 303 | tuner_err("Too much firmwares at the file\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 304 | goto corrupt; |
| 305 | } |
| 306 | |
| 307 | /* Checks if there's enough bytes to read */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 308 | if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 309 | tuner_err("Firmware header is incomplete!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 310 | goto corrupt; |
| 311 | } |
| 312 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 313 | type = le32_to_cpu(*(__u32 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 314 | p += sizeof(type); |
| 315 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 316 | id = le64_to_cpu(*(v4l2_std_id *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 317 | p += sizeof(id); |
| 318 | |
Michel Ludwig | 2fc580f | 2007-11-16 07:19:35 -0300 | [diff] [blame] | 319 | size = le32_to_cpu(*(__u32 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 320 | p += sizeof(size); |
| 321 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 322 | if ((!size) || (size + p > endp)) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 323 | tuner_err("Firmware type "); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 324 | dump_firm_type(type); |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 325 | printk("(%x), id %llx is corrupted " |
| 326 | "(size=%d, expected %d)\n", |
| 327 | type, id, |
| 328 | (unsigned)(endp - p), size); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 329 | goto corrupt; |
| 330 | } |
| 331 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 332 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 333 | if (!priv->firm[n].ptr) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 334 | tuner_err("Not enough memory.\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 335 | rc = -ENOMEM; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 336 | goto err; |
| 337 | } |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 338 | tuner_info("Reading firmware type "); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 339 | dump_firm_type(type); |
| 340 | printk("(%x), id %lx, size=%d.\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 341 | type, (unsigned long)id, size); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 342 | |
| 343 | memcpy(priv->firm[n].ptr, p, size); |
| 344 | priv->firm[n].type = type; |
| 345 | priv->firm[n].id = id; |
| 346 | priv->firm[n].size = size; |
| 347 | |
| 348 | p += size; |
| 349 | } |
| 350 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 351 | if (n + 1 != priv->firm_size) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 352 | tuner_err("Firmware file is incomplete!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 353 | goto corrupt; |
| 354 | } |
| 355 | |
| 356 | goto done; |
| 357 | |
| 358 | corrupt: |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 359 | rc = -EINVAL; |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 360 | tuner_err("Error: firmware file is corrupted!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 361 | |
| 362 | err: |
| 363 | tuner_info("Releasing loaded firmware file.\n"); |
| 364 | |
| 365 | free_firmware(priv); |
| 366 | |
| 367 | done: |
| 368 | release_firmware(fw); |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 369 | tuner_dbg("Firmware files loaded.\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 370 | |
| 371 | return rc; |
| 372 | } |
| 373 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 374 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
| 375 | v4l2_std_id *id) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 376 | { |
| 377 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 378 | int i; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 379 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 380 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 381 | |
| 382 | if (!priv->firm) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 383 | tuner_err("Error! firmware not loaded\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 384 | return -EINVAL; |
| 385 | } |
| 386 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 387 | if (((type & ~SCODE) == 0) && (*id == 0)) |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 388 | *id = V4L2_STD_PAL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 389 | |
| 390 | /* Seek for exact match */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 391 | for (i = 0; i < priv->firm_size; i++) { |
| 392 | if ((type == priv->firm[i].type) && (*id == priv->firm[i].id)) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 393 | goto found; |
| 394 | } |
| 395 | |
| 396 | /* Seek for generic video standard match */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 397 | for (i = 0; i < priv->firm_size; i++) { |
| 398 | if ((type == priv->firm[i].type) && (*id & priv->firm[i].id)) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 399 | goto found; |
| 400 | } |
| 401 | |
| 402 | /*FIXME: Would make sense to seek for type "hint" match ? */ |
| 403 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 404 | i = -EINVAL; |
| 405 | goto ret; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 406 | |
| 407 | found: |
| 408 | *id = priv->firm[i].id; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 409 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 410 | ret: |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 411 | tuner_dbg("%s firmware for type=", (i < 0)? "Can't find": "Found"); |
| 412 | if (debug) { |
| 413 | dump_firm_type(type); |
| 414 | printk("(%x), id %08lx.\n", type, (unsigned long)*id); |
| 415 | } |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 416 | return i; |
| 417 | } |
| 418 | |
| 419 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, |
| 420 | v4l2_std_id *id) |
| 421 | { |
| 422 | struct xc2028_data *priv = fe->tuner_priv; |
| 423 | int pos, rc; |
| 424 | unsigned char *p, *endp, buf[priv->max_len]; |
| 425 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 426 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 427 | |
| 428 | pos = seek_firmware(fe, type, id); |
| 429 | if (pos < 0) |
| 430 | return pos; |
| 431 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 432 | tuner_info("Loading firmware for type="); |
| 433 | dump_firm_type(type); |
| 434 | printk("(%x), id %08lx.\n", type, (unsigned long)*id); |
| 435 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 436 | p = priv->firm[pos].ptr; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 437 | |
| 438 | if (!p) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 439 | tuner_err("Firmware pointer were freed!"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 440 | return -EINVAL; |
| 441 | } |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 442 | endp = p + priv->firm[pos].size; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 443 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 444 | while (p < endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 445 | __u16 size; |
| 446 | |
| 447 | /* Checks if there's enough bytes to read */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 448 | if (p + sizeof(size) > endp) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 449 | tuner_err("Firmware chunk size is wrong\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 450 | return -EINVAL; |
| 451 | } |
| 452 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 453 | size = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 454 | p += sizeof(size); |
| 455 | |
| 456 | if (size == 0xffff) |
| 457 | return 0; |
| 458 | |
| 459 | if (!size) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 460 | /* Special callback command received */ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 461 | rc = priv->tuner_callback(priv->video_dev, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 462 | XC2028_TUNER_RESET, 0); |
| 463 | if (rc < 0) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 464 | tuner_err("Error at RESET code %d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 465 | (*p) & 0x7f); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 466 | return -EINVAL; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 467 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 468 | continue; |
| 469 | } |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 470 | if (size >= 0xff00) { |
| 471 | switch (size) { |
| 472 | case 0xff00: |
| 473 | rc = priv->tuner_callback(priv->video_dev, |
| 474 | XC2028_RESET_CLK, 0); |
| 475 | if (rc < 0) { |
| 476 | tuner_err("Error at RESET code %d\n", |
| 477 | (*p) & 0x7f); |
| 478 | return -EINVAL; |
| 479 | } |
| 480 | default: |
| 481 | tuner_info("Invalid RESET code %d\n", |
| 482 | size & 0x7f); |
| 483 | return -EINVAL; |
| 484 | |
| 485 | } |
Mauro Carvalho Chehab | 2d4c0ac | 2007-11-16 09:43:19 -0300 | [diff] [blame] | 486 | continue; |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 487 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 488 | |
| 489 | /* Checks for a sleep command */ |
| 490 | if (size & 0x8000) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 491 | msleep(size & 0x7fff); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 492 | continue; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 493 | } |
| 494 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 495 | if ((size + p > endp)) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 496 | tuner_err("missing bytes: need %d, have %d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 497 | size, (int)(endp - p)); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 498 | return -EINVAL; |
| 499 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 500 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 501 | buf[0] = *p; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 502 | p++; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 503 | size--; |
| 504 | |
| 505 | /* Sends message chunks */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 506 | while (size > 0) { |
| 507 | int len = (size < priv->max_len - 1) ? |
| 508 | size : priv->max_len - 1; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 509 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 510 | memcpy(buf + 1, p, len); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 511 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 512 | rc = i2c_send(priv, buf, len + 1); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 513 | if (rc < 0) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 514 | tuner_err("%d returned from send\n", rc); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 515 | return -EINVAL; |
| 516 | } |
| 517 | |
| 518 | p += len; |
| 519 | size -= len; |
| 520 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 521 | } |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 522 | return 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 523 | } |
| 524 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 525 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
| 526 | v4l2_std_id *id, int scode) |
| 527 | { |
| 528 | struct xc2028_data *priv = fe->tuner_priv; |
| 529 | int pos, rc; |
| 530 | unsigned char *p; |
| 531 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 532 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 533 | |
| 534 | pos = seek_firmware(fe, type, id); |
| 535 | if (pos < 0) |
| 536 | return pos; |
| 537 | |
| 538 | p = priv->firm[pos].ptr; |
| 539 | |
| 540 | if (!p) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 541 | tuner_err("Firmware pointer were freed!"); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 542 | return -EINVAL; |
| 543 | } |
| 544 | |
| 545 | if ((priv->firm[pos].size != 12 * 16) || (scode >= 16)) |
| 546 | return -EINVAL; |
| 547 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 548 | if (priv->version < 0x0202) |
| 549 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
| 550 | else |
| 551 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); |
| 552 | if (rc < 0) |
| 553 | return -EIO; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 554 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 555 | rc = i2c_send(priv, p + 12 * scode, 12); |
| 556 | if (rc < 0) |
| 557 | return -EIO; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 558 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 559 | rc = send_seq(priv, {0x00, 0x8c}); |
| 560 | if (rc < 0) |
| 561 | return -EIO; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 562 | |
| 563 | return 0; |
| 564 | } |
| 565 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 566 | static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 567 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 568 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 569 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 570 | int rc, version, hwmodel; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 571 | v4l2_std_id std0 = 0; |
| 572 | unsigned int type0 = 0, type = 0; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 573 | int change_digital_bandwidth; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 574 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 575 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 576 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 577 | if (!priv->firm) { |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 578 | if (!priv->ctrl.fname) { |
| 579 | tuner_info("xc2028/3028 firmware name not set!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 580 | return -EINVAL; |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 581 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 582 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 583 | rc = load_all_firmwares(fe); |
| 584 | if (rc < 0) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 585 | return rc; |
| 586 | } |
| 587 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 588 | tuner_dbg("I am in mode %u and I should switch to mode %i\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 589 | priv->mode, new_mode); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 590 | |
| 591 | /* first of all, determine whether we have switched the mode */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 592 | if (new_mode != priv->mode) { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 593 | priv->mode = new_mode; |
| 594 | priv->need_load_generic = 1; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 595 | } |
| 596 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 597 | change_digital_bandwidth = (priv->mode == T_DIGITAL_TV |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 598 | && bandwidth != priv->bandwidth) ? 1 : 0; |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 599 | tuner_dbg("old bandwidth %u, new bandwidth %u\n", priv->bandwidth, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 600 | bandwidth); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 601 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 602 | if (priv->need_load_generic) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 603 | /* Reset is needed before loading firmware */ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 604 | rc = priv->tuner_callback(priv->video_dev, |
| 605 | XC2028_TUNER_RESET, 0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 606 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 607 | return rc; |
| 608 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 609 | type0 = BASE; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 610 | |
| 611 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| 612 | type0 |= MTS; |
| 613 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 614 | if (priv->bandwidth == 8) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 615 | type0 |= F8MHZ; |
| 616 | |
| 617 | /* FIXME: How to load FM and FM|INPUT1 firmwares? */ |
| 618 | |
| 619 | rc = load_firmware(fe, type0, &std0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 620 | if (rc < 0) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 621 | tuner_err("Error %d while loading generic firmware\n", |
| 622 | rc); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 623 | return rc; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 624 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 625 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 626 | priv->need_load_generic = 0; |
| 627 | priv->firm_type = 0; |
| 628 | if (priv->mode == T_DIGITAL_TV) |
| 629 | change_digital_bandwidth = 1; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 630 | } |
| 631 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 632 | tuner_dbg("I should change bandwidth %u\n", change_digital_bandwidth); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 633 | |
| 634 | if (change_digital_bandwidth) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 635 | |
| 636 | /*FIXME: Should allow selecting between D2620 and D2633 */ |
| 637 | type |= D2620; |
| 638 | |
| 639 | /* FIXME: When should select a DTV78 firmware? |
| 640 | */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 641 | switch (bandwidth) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 642 | case BANDWIDTH_8_MHZ: |
| 643 | type |= DTV8; |
| 644 | break; |
| 645 | case BANDWIDTH_7_MHZ: |
| 646 | type |= DTV7; |
| 647 | break; |
| 648 | case BANDWIDTH_6_MHZ: |
| 649 | /* FIXME: Should allow select also ATSC */ |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 650 | type |= DTV6 | QAM; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 651 | break; |
| 652 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 653 | default: |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 654 | tuner_err("error: bandwidth not supported.\n"); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 655 | }; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 656 | priv->bandwidth = bandwidth; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 657 | } |
| 658 | |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 659 | if (!change_digital_bandwidth && priv->mode == T_DIGITAL_TV) |
| 660 | return 0; |
| 661 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 662 | /* Load INIT1, if needed */ |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 663 | tuner_dbg("Load init1 firmware, if exists\n"); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 664 | type0 = BASE | INIT1; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 665 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| 666 | type0 |= MTS; |
| 667 | |
| 668 | /* FIXME: Should handle errors - if INIT1 found */ |
| 669 | rc = load_firmware(fe, type0, &std0); |
| 670 | |
| 671 | /* FIXME: Should add support for FM radio |
| 672 | */ |
| 673 | |
| 674 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| 675 | type |= MTS; |
| 676 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 677 | if (priv->firm_type & std) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 678 | tuner_dbg("Std-specific firmware already loaded.\n"); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 679 | return 0; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 680 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 681 | |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 682 | /* Add audio hack to std mask */ |
| 683 | std |= parse_audio_std_option(); |
| 684 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 685 | rc = load_firmware(fe, type, &std); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 686 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 687 | return rc; |
| 688 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 689 | /* Load SCODE firmware, if exists */ |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 690 | tuner_dbg("Trying to load scode 0\n"); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 691 | type |= SCODE; |
| 692 | |
| 693 | rc = load_scode(fe, type, &std, 0); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 694 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 695 | version = xc2028_get_reg(priv, 0x0004); |
| 696 | hwmodel = xc2028_get_reg(priv, 0x0008); |
| 697 | |
| 698 | tuner_info("Device is Xceive %d version %d.%d, " |
| 699 | "firmware version %d.%d\n", |
| 700 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, |
| 701 | (version & 0xf0) >> 4, version & 0xf); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 702 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 703 | priv->firm_type = std; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 704 | |
| 705 | return 0; |
| 706 | } |
| 707 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 708 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 709 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 710 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 711 | int frq_lock, signal = 0; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 712 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 713 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 714 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 715 | mutex_lock(&priv->lock); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 716 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 717 | *strength = 0; |
| 718 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 719 | /* Sync Lock Indicator */ |
| 720 | frq_lock = xc2028_get_reg(priv, 0x0002); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 721 | if (frq_lock <= 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 722 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 723 | |
| 724 | /* Frequency is locked. Return signal quality */ |
| 725 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 726 | /* Get SNR of the video signal */ |
| 727 | signal = xc2028_get_reg(priv, 0x0040); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 728 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 729 | if (signal <= 0) |
| 730 | signal = frq_lock; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 731 | |
| 732 | ret: |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 733 | mutex_unlock(&priv->lock); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 734 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 735 | *strength = signal; |
| 736 | |
| 737 | return 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 738 | } |
| 739 | |
| 740 | #define DIV 15625 |
| 741 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 742 | static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ , |
| 743 | enum tuner_mode new_mode, |
| 744 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 745 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 746 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 747 | int rc = -EINVAL; |
| 748 | unsigned char buf[5]; |
| 749 | u32 div, offset = 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 750 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 751 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 752 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 753 | mutex_lock(&priv->lock); |
| 754 | |
Mauro Carvalho Chehab | d4e7668 | 2007-07-18 23:14:25 -0300 | [diff] [blame] | 755 | /* HACK: It seems that specific firmware need to be reloaded |
| 756 | when freq is changed */ |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 757 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 758 | priv->firm_type = 0; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 759 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 760 | /* Reset GPIO 1 */ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 761 | rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 762 | if (rc < 0) |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 763 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 764 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 765 | msleep(10); |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 766 | tuner_dbg("should set frequency %d kHz)\n", freq / 1000); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 767 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 768 | if (check_firmware(fe, new_mode, std, bandwidth) < 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 769 | goto ret; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 770 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 771 | if (new_mode == T_DIGITAL_TV) |
Mauro Carvalho Chehab | d4e7668 | 2007-07-18 23:14:25 -0300 | [diff] [blame] | 772 | offset = 2750000; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 773 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 774 | div = (freq - offset + DIV / 2) / DIV; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 775 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 776 | /* CMD= Set frequency */ |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 777 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 778 | if (priv->version < 0x0202) |
| 779 | rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
| 780 | else |
| 781 | rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); |
| 782 | if (rc < 0) |
| 783 | goto ret; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 784 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 785 | rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 786 | if (rc < 0) |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 787 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 788 | |
| 789 | msleep(10); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 790 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 791 | buf[0] = 0xff & (div >> 24); |
| 792 | buf[1] = 0xff & (div >> 16); |
| 793 | buf[2] = 0xff & (div >> 8); |
| 794 | buf[3] = 0xff & (div); |
| 795 | buf[4] = 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 796 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame^] | 797 | rc = i2c_send(priv, buf, sizeof(buf)); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 798 | if (rc < 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 799 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 800 | msleep(100); |
| 801 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 802 | priv->frequency = freq; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 803 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 804 | tuner_dbg("divider= %02x %02x %02x %02x (freq=%d.%02d)\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 805 | buf[1], buf[2], buf[3], buf[4], |
| 806 | freq / 1000000, (freq % 1000000) / 10000); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 807 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 808 | rc = 0; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 809 | |
| 810 | ret: |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 811 | mutex_unlock(&priv->lock); |
| 812 | |
| 813 | return rc; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 814 | } |
| 815 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 816 | static int xc2028_set_tv_freq(struct dvb_frontend *fe, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 817 | struct analog_parameters *p) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 818 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 819 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 820 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 821 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 822 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 823 | return generic_set_tv_freq(fe, 62500l * p->frequency, T_ANALOG_TV, |
| 824 | p->std, BANDWIDTH_8_MHZ /* NOT USED */); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 825 | } |
| 826 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 827 | static int xc2028_set_params(struct dvb_frontend *fe, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 828 | struct dvb_frontend_parameters *p) |
| 829 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 830 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 831 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 832 | tuner_dbg("%s called\n", __FUNCTION__); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 833 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 834 | /* FIXME: Only OFDM implemented */ |
| 835 | if (fe->ops.info.type != FE_OFDM) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 836 | tuner_err("DTV type not implemented.\n"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 837 | return -EINVAL; |
| 838 | } |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 839 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 840 | return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 841 | 0 /* NOT USED */, |
| 842 | p->u.ofdm.bandwidth); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 843 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 844 | } |
| 845 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 846 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 847 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 848 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 849 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 850 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 851 | |
| 852 | priv->count--; |
| 853 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 854 | if (!priv->count) { |
Mauro Carvalho Chehab | 1808a69 | 2007-10-29 17:38:59 -0300 | [diff] [blame] | 855 | list_del(&priv->xc2028_list); |
| 856 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 857 | kfree(priv->ctrl.fname); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 858 | |
| 859 | free_firmware(priv); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 860 | kfree(priv); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 861 | } |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 862 | |
| 863 | return 0; |
| 864 | } |
| 865 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 866 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 867 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 868 | struct xc2028_data *priv = fe->tuner_priv; |
| 869 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 870 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 871 | |
| 872 | *frequency = priv->frequency; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 873 | |
| 874 | return 0; |
| 875 | } |
| 876 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 877 | static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 878 | { |
| 879 | struct xc2028_data *priv = fe->tuner_priv; |
| 880 | struct xc2028_ctrl *p = priv_cfg; |
| 881 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 882 | tuner_dbg("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 883 | |
| 884 | priv->ctrl.type = p->type; |
| 885 | |
| 886 | if (p->fname) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 887 | kfree(priv->ctrl.fname); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 888 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 889 | priv->ctrl.fname = kmalloc(strlen(p->fname) + 1, GFP_KERNEL); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 890 | if (!priv->ctrl.fname) |
| 891 | return -ENOMEM; |
| 892 | |
| 893 | free_firmware(priv); |
| 894 | strcpy(priv->ctrl.fname, p->fname); |
| 895 | } |
| 896 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 897 | if (p->max_len > 0) |
Mauro Carvalho Chehab | 352fae1 | 2007-11-01 16:56:26 -0300 | [diff] [blame] | 898 | priv->max_len = p->max_len; |
| 899 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 900 | return 0; |
| 901 | } |
| 902 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 903 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 904 | .info = { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 905 | .name = "Xceive XC3028", |
| 906 | .frequency_min = 42000000, |
| 907 | .frequency_max = 864000000, |
| 908 | .frequency_step = 50000, |
| 909 | }, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 910 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 911 | .set_config = xc2028_set_config, |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 912 | .set_analog_params = xc2028_set_tv_freq, |
| 913 | .release = xc2028_dvb_release, |
| 914 | .get_frequency = xc2028_get_frequency, |
| 915 | .get_rf_strength = xc2028_signal, |
| 916 | .set_params = xc2028_set_params, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 917 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 918 | }; |
| 919 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 920 | void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 921 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 922 | struct xc2028_data *priv; |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 923 | void *video_dev; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 924 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 925 | if (debug) |
| 926 | printk(KERN_DEBUG PREFIX "Xcv2028/3028 init called!\n"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 927 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 928 | if (NULL == cfg->video_dev) |
| 929 | return NULL; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 930 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 931 | if (!fe) { |
| 932 | printk(KERN_ERR PREFIX "No frontend!\n"); |
| 933 | return NULL; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 934 | } |
| 935 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 936 | video_dev = cfg->video_dev; |
| 937 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 938 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 939 | if (priv->video_dev == cfg->video_dev) { |
| 940 | video_dev = NULL; |
| 941 | break; |
| 942 | } |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 943 | } |
| 944 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 945 | if (video_dev) { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 946 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| 947 | if (priv == NULL) |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 948 | return NULL; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 949 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 950 | priv->bandwidth = BANDWIDTH_6_MHZ; |
| 951 | priv->need_load_generic = 1; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 952 | priv->mode = T_UNINITIALIZED; |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 953 | priv->i2c_props.addr = cfg->i2c_addr; |
| 954 | priv->i2c_props.adap = cfg->i2c_adap; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 955 | priv->video_dev = video_dev; |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 956 | priv->tuner_callback = cfg->callback; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 957 | priv->max_len = 13; |
| 958 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 959 | mutex_init(&priv->lock); |
| 960 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 961 | list_add_tail(&priv->xc2028_list, &xc2028_list); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 962 | } |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 963 | |
| 964 | fe->tuner_priv = priv; |
Mauro Carvalho Chehab | 1808a69 | 2007-10-29 17:38:59 -0300 | [diff] [blame] | 965 | priv->count++; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 966 | |
| 967 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 968 | sizeof(xc2028_dvb_tuner_ops)); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 969 | |
| 970 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 971 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 972 | return fe; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 973 | } |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 974 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 975 | EXPORT_SYMBOL(xc2028_attach); |
| 976 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 977 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 978 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 979 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
| 980 | MODULE_LICENSE("GPL"); |