Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1 | /* tuner-xc2028 |
| 2 | * |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 3 | * Copyright (c) 2007-2008 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> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 18 | #include <linux/slab.h> |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 19 | #include <asm/unaligned.h> |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 20 | #include "tuner-i2c.h" |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 21 | #include "tuner-xc2028.h" |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 22 | #include "tuner-xc2028-types.h" |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 23 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 24 | #include <linux/dvb/frontend.h> |
| 25 | #include "dvb_frontend.h" |
| 26 | |
Miroslav Slugen | 304bce4 | 2011-12-11 20:19:34 -0300 | [diff] [blame] | 27 | /* Registers (Write-only) */ |
| 28 | #define XREG_INIT 0x00 |
| 29 | #define XREG_RF_FREQ 0x02 |
| 30 | #define XREG_POWER_DOWN 0x08 |
| 31 | |
| 32 | /* Registers (Read-only) */ |
| 33 | #define XREG_FREQ_ERROR 0x01 |
| 34 | #define XREG_LOCK 0x02 |
| 35 | #define XREG_VERSION 0x04 |
| 36 | #define XREG_PRODUCT_ID 0x08 |
| 37 | #define XREG_HSYNC_FREQ 0x10 |
| 38 | #define XREG_FRAME_LINES 0x20 |
| 39 | #define XREG_SNR 0x40 |
| 40 | |
| 41 | #define XREG_ADC_ENV 0x0100 |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 42 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 43 | static int debug; |
| 44 | module_param(debug, int, 0644); |
| 45 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
| 46 | |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 47 | static int no_poweroff; |
| 48 | module_param(no_poweroff, int, 0644); |
Devin Heitmueller | 4900877 | 2009-04-28 16:22:47 -0300 | [diff] [blame] | 49 | MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n" |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 50 | "1 keep device energized and with tuner ready all the times.\n" |
| 51 | " Faster, but consumes more power and keeps the device hotter\n"); |
| 52 | |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 53 | static char audio_std[8]; |
| 54 | module_param_string(audio_std, audio_std, sizeof(audio_std), 0); |
| 55 | MODULE_PARM_DESC(audio_std, |
| 56 | "Audio standard. XC3028 audio decoder explicitly " |
| 57 | "needs to know what audio\n" |
| 58 | "standard is needed for some video standards with audio A2 or NICAM.\n" |
| 59 | "The valid values are:\n" |
| 60 | "A2\n" |
| 61 | "A2/A\n" |
| 62 | "A2/B\n" |
| 63 | "NICAM\n" |
| 64 | "NICAM/A\n" |
| 65 | "NICAM/B\n"); |
| 66 | |
Samuel Ortiz | 4327b77 | 2009-05-27 00:49:33 +0200 | [diff] [blame] | 67 | static char firmware_name[30]; |
Mauro Carvalho Chehab | 5c913c0 | 2008-04-22 14:46:24 -0300 | [diff] [blame] | 68 | module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0); |
| 69 | MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the " |
| 70 | "default firmware name\n"); |
| 71 | |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 72 | static LIST_HEAD(hybrid_tuner_instance_list); |
Chris Pascoe | aa501be | 2007-11-19 04:45:38 -0300 | [diff] [blame] | 73 | static DEFINE_MUTEX(xc2028_list_mutex); |
| 74 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 75 | /* struct for storing firmware table */ |
| 76 | struct firmware_description { |
| 77 | unsigned int type; |
| 78 | v4l2_std_id id; |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 79 | __u16 int_freq; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 80 | unsigned char *ptr; |
| 81 | unsigned int size; |
| 82 | }; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 83 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 84 | struct firmware_properties { |
| 85 | unsigned int type; |
| 86 | v4l2_std_id id; |
| 87 | v4l2_std_id std_req; |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 88 | __u16 int_freq; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 89 | unsigned int scode_table; |
| 90 | int scode_nr; |
| 91 | }; |
| 92 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 93 | enum xc2028_state { |
| 94 | XC2028_NO_FIRMWARE = 0, |
| 95 | XC2028_WAITING_FIRMWARE, |
| 96 | XC2028_ACTIVE, |
| 97 | XC2028_SLEEP, |
| 98 | XC2028_NODEV, |
| 99 | }; |
| 100 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 101 | struct xc2028_data { |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 102 | struct list_head hybrid_tuner_instance_list; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 103 | struct tuner_i2c_props i2c_props; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 104 | __u32 frequency; |
| 105 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 106 | enum xc2028_state state; |
| 107 | const char *fname; |
| 108 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 109 | struct firmware_description *firm; |
| 110 | int firm_size; |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 111 | __u16 firm_version; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 112 | |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 113 | __u16 hwmodel; |
| 114 | __u16 hwvers; |
| 115 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 116 | struct xc2028_ctrl ctrl; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 117 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 118 | struct firmware_properties cur_fw; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 119 | |
| 120 | struct mutex lock; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 121 | }; |
| 122 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 123 | #define i2c_send(priv, buf, size) ({ \ |
| 124 | int _rc; \ |
| 125 | _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ |
| 126 | if (size != _rc) \ |
| 127 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ |
| 128 | _rc, (int)size); \ |
Devin Heitmueller | 70ca3c4 | 2010-01-19 01:38:45 -0300 | [diff] [blame] | 129 | if (priv->ctrl.msleep) \ |
| 130 | msleep(priv->ctrl.msleep); \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 131 | _rc; \ |
| 132 | }) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 133 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 134 | #define i2c_rcv(priv, buf, size) ({ \ |
| 135 | int _rc; \ |
| 136 | _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ |
| 137 | if (size != _rc) \ |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 138 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 139 | _rc, (int)size); \ |
| 140 | _rc; \ |
| 141 | }) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 142 | |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 143 | #define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \ |
| 144 | int _rc; \ |
| 145 | _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \ |
| 146 | ibuf, isize); \ |
| 147 | if (isize != _rc) \ |
| 148 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
| 149 | _rc, (int)isize); \ |
Devin Heitmueller | 70ca3c4 | 2010-01-19 01:38:45 -0300 | [diff] [blame] | 150 | if (priv->ctrl.msleep) \ |
| 151 | msleep(priv->ctrl.msleep); \ |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 152 | _rc; \ |
| 153 | }) |
| 154 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 155 | #define send_seq(priv, data...) ({ \ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 156 | static u8 _val[] = data; \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 157 | int _rc; \ |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 158 | if (sizeof(_val) != \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 159 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 160 | _val, sizeof(_val)))) { \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 161 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
Devin Heitmueller | 70ca3c4 | 2010-01-19 01:38:45 -0300 | [diff] [blame] | 162 | } else if (priv->ctrl.msleep) \ |
Mauro Carvalho Chehab | e5cc2bf | 2008-01-08 11:26:59 -0300 | [diff] [blame] | 163 | msleep(priv->ctrl.msleep); \ |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 164 | _rc; \ |
| 165 | }) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 166 | |
Devin Heitmueller | 8324402 | 2008-04-17 21:41:16 -0300 | [diff] [blame] | 167 | static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 168 | { |
Mauro Carvalho Chehab | b873e1a | 2007-11-05 08:41:50 -0300 | [diff] [blame] | 169 | unsigned char buf[2]; |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 170 | unsigned char ibuf[2]; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 171 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 172 | tuner_dbg("%s %04x called\n", __func__, reg); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 173 | |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 174 | buf[0] = reg >> 8; |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 175 | buf[1] = (unsigned char) reg; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 176 | |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 177 | if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2) |
| 178 | return -EIO; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 179 | |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 180 | *val = (ibuf[1]) | (ibuf[0] << 8); |
| 181 | return 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 182 | } |
| 183 | |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 184 | #define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0) |
Adrian Bunk | 29bec0b | 2008-04-22 14:41:45 -0300 | [diff] [blame] | 185 | static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq) |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 186 | { |
| 187 | if (type & BASE) |
| 188 | printk("BASE "); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 189 | if (type & INIT1) |
| 190 | printk("INIT1 "); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 191 | if (type & F8MHZ) |
| 192 | printk("F8MHZ "); |
| 193 | if (type & MTS) |
| 194 | printk("MTS "); |
| 195 | if (type & D2620) |
| 196 | printk("D2620 "); |
| 197 | if (type & D2633) |
| 198 | printk("D2633 "); |
| 199 | if (type & DTV6) |
| 200 | printk("DTV6 "); |
| 201 | if (type & QAM) |
| 202 | printk("QAM "); |
| 203 | if (type & DTV7) |
| 204 | printk("DTV7 "); |
| 205 | if (type & DTV78) |
| 206 | printk("DTV78 "); |
| 207 | if (type & DTV8) |
| 208 | printk("DTV8 "); |
| 209 | if (type & FM) |
| 210 | printk("FM "); |
| 211 | if (type & INPUT1) |
| 212 | printk("INPUT1 "); |
| 213 | if (type & LCD) |
| 214 | printk("LCD "); |
| 215 | if (type & NOGD) |
| 216 | printk("NOGD "); |
| 217 | if (type & MONO) |
| 218 | printk("MONO "); |
| 219 | if (type & ATSC) |
| 220 | printk("ATSC "); |
| 221 | if (type & IF) |
| 222 | printk("IF "); |
| 223 | if (type & LG60) |
| 224 | printk("LG60 "); |
| 225 | if (type & ATI638) |
| 226 | printk("ATI638 "); |
| 227 | if (type & OREN538) |
| 228 | printk("OREN538 "); |
| 229 | if (type & OREN36) |
| 230 | printk("OREN36 "); |
| 231 | if (type & TOYOTA388) |
| 232 | printk("TOYOTA388 "); |
| 233 | if (type & TOYOTA794) |
| 234 | printk("TOYOTA794 "); |
| 235 | if (type & DIBCOM52) |
| 236 | printk("DIBCOM52 "); |
| 237 | if (type & ZARLINK456) |
| 238 | printk("ZARLINK456 "); |
| 239 | if (type & CHINA) |
| 240 | printk("CHINA "); |
| 241 | if (type & F6MHZ) |
| 242 | printk("F6MHZ "); |
| 243 | if (type & INPUT2) |
| 244 | printk("INPUT2 "); |
| 245 | if (type & SCODE) |
| 246 | printk("SCODE "); |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 247 | if (type & HAS_IF) |
| 248 | printk("HAS_IF_%d ", int_freq); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 249 | } |
| 250 | |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 251 | static v4l2_std_id parse_audio_std_option(void) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 252 | { |
Chris Pascoe | e155d90 | 2007-11-19 04:16:47 -0300 | [diff] [blame] | 253 | if (strcasecmp(audio_std, "A2") == 0) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 254 | return V4L2_STD_A2; |
Chris Pascoe | e155d90 | 2007-11-19 04:16:47 -0300 | [diff] [blame] | 255 | if (strcasecmp(audio_std, "A2/A") == 0) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 256 | return V4L2_STD_A2_A; |
Chris Pascoe | e155d90 | 2007-11-19 04:16:47 -0300 | [diff] [blame] | 257 | if (strcasecmp(audio_std, "A2/B") == 0) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 258 | return V4L2_STD_A2_B; |
Chris Pascoe | e155d90 | 2007-11-19 04:16:47 -0300 | [diff] [blame] | 259 | if (strcasecmp(audio_std, "NICAM") == 0) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 260 | return V4L2_STD_NICAM; |
Chris Pascoe | e155d90 | 2007-11-19 04:16:47 -0300 | [diff] [blame] | 261 | if (strcasecmp(audio_std, "NICAM/A") == 0) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 262 | return V4L2_STD_NICAM_A; |
Chris Pascoe | e155d90 | 2007-11-19 04:16:47 -0300 | [diff] [blame] | 263 | if (strcasecmp(audio_std, "NICAM/B") == 0) |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 264 | return V4L2_STD_NICAM_B; |
| 265 | |
| 266 | return 0; |
| 267 | } |
| 268 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 269 | static int check_device_status(struct xc2028_data *priv) |
| 270 | { |
| 271 | switch (priv->state) { |
| 272 | case XC2028_NO_FIRMWARE: |
| 273 | case XC2028_WAITING_FIRMWARE: |
| 274 | return -EAGAIN; |
| 275 | case XC2028_ACTIVE: |
| 276 | case XC2028_SLEEP: |
| 277 | return 0; |
| 278 | case XC2028_NODEV: |
| 279 | return -ENODEV; |
| 280 | } |
| 281 | return 0; |
| 282 | } |
| 283 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 284 | static void free_firmware(struct xc2028_data *priv) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 285 | { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 286 | int i; |
Mauro Carvalho Chehab | 92b75ab | 2008-04-17 21:40:53 -0300 | [diff] [blame] | 287 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 288 | |
| 289 | if (!priv->firm) |
| 290 | return; |
| 291 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 292 | for (i = 0; i < priv->firm_size; i++) |
| 293 | kfree(priv->firm[i].ptr); |
| 294 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 295 | kfree(priv->firm); |
| 296 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 297 | priv->firm = NULL; |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 298 | priv->firm_size = 0; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 299 | priv->state = XC2028_NO_FIRMWARE; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 300 | |
| 301 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 302 | } |
| 303 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 304 | static int load_all_firmwares(struct dvb_frontend *fe, |
| 305 | const struct firmware *fw) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 306 | { |
| 307 | struct xc2028_data *priv = fe->tuner_priv; |
David Woodhouse | c63e87e | 2008-05-24 00:13:34 +0100 | [diff] [blame] | 308 | const unsigned char *p, *endp; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 309 | int rc = 0; |
| 310 | int n, n_array; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 311 | char name[33]; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 312 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 313 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 314 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 315 | p = fw->data; |
| 316 | endp = p + fw->size; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 317 | |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 318 | if (fw->size < sizeof(name) - 1 + 2 + 2) { |
| 319 | tuner_err("Error: firmware file %s has invalid size!\n", |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 320 | priv->fname); |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 321 | goto corrupt; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 322 | } |
| 323 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 324 | memcpy(name, p, sizeof(name) - 1); |
| 325 | name[sizeof(name) - 1] = 0; |
| 326 | p += sizeof(name) - 1; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 327 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 328 | priv->firm_version = get_unaligned_le16(p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 329 | p += 2; |
| 330 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 331 | n_array = get_unaligned_le16(p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 332 | p += 2; |
| 333 | |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 334 | tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n", |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 335 | n_array, priv->fname, name, |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 336 | priv->firm_version >> 8, priv->firm_version & 0xff); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 337 | |
Thomas Meyer | 1b7acf0 | 2011-11-29 17:08:00 -0300 | [diff] [blame] | 338 | priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL); |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 339 | if (priv->firm == NULL) { |
| 340 | tuner_err("Not enough memory to load firmware file.\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 341 | rc = -ENOMEM; |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 342 | goto err; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 343 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 344 | priv->firm_size = n_array; |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 345 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 346 | n = -1; |
| 347 | while (p < endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 348 | __u32 type, size; |
| 349 | v4l2_std_id id; |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 350 | __u16 int_freq = 0; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 351 | |
| 352 | n++; |
| 353 | if (n >= n_array) { |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 354 | tuner_err("More firmware images in file than " |
| 355 | "were expected!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 356 | goto corrupt; |
| 357 | } |
| 358 | |
| 359 | /* Checks if there's enough bytes to read */ |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 360 | if (endp - p < sizeof(type) + sizeof(id) + sizeof(size)) |
| 361 | goto header; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 362 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 363 | type = get_unaligned_le32(p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 364 | p += sizeof(type); |
| 365 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 366 | id = get_unaligned_le64(p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 367 | p += sizeof(id); |
| 368 | |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 369 | if (type & HAS_IF) { |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 370 | int_freq = get_unaligned_le16(p); |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 371 | p += sizeof(int_freq); |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 372 | if (endp - p < sizeof(size)) |
| 373 | goto header; |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 374 | } |
| 375 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 376 | size = get_unaligned_le32(p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 377 | p += sizeof(size); |
| 378 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 379 | if (!size || size > endp - p) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 380 | tuner_err("Firmware type "); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 381 | dump_firm_type(type); |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 382 | printk("(%x), id %llx is corrupted " |
| 383 | "(size=%d, expected %d)\n", |
Chris Pascoe | 91240dd | 2007-11-19 04:38:53 -0300 | [diff] [blame] | 384 | type, (unsigned long long)id, |
Mauro Carvalho Chehab | ef8c188 | 2007-11-16 16:28:21 -0300 | [diff] [blame] | 385 | (unsigned)(endp - p), size); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 386 | goto corrupt; |
| 387 | } |
| 388 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 389 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 390 | if (priv->firm[n].ptr == NULL) { |
| 391 | tuner_err("Not enough memory to load firmware file.\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 392 | rc = -ENOMEM; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 393 | goto err; |
| 394 | } |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 395 | tuner_dbg("Reading firmware type "); |
| 396 | if (debug) { |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 397 | dump_firm_type_and_int_freq(type, int_freq); |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 398 | printk("(%x), id %llx, size=%d.\n", |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 399 | type, (unsigned long long)id, size); |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 400 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 401 | |
| 402 | memcpy(priv->firm[n].ptr, p, size); |
| 403 | priv->firm[n].type = type; |
| 404 | priv->firm[n].id = id; |
| 405 | priv->firm[n].size = size; |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 406 | priv->firm[n].int_freq = int_freq; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 407 | |
| 408 | p += size; |
| 409 | } |
| 410 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 411 | if (n + 1 != priv->firm_size) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 412 | tuner_err("Firmware file is incomplete!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 413 | goto corrupt; |
| 414 | } |
| 415 | |
| 416 | goto done; |
| 417 | |
Al Viro | 84a9f33 | 2008-06-22 14:19:29 -0300 | [diff] [blame] | 418 | header: |
| 419 | tuner_err("Firmware header is incomplete!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 420 | corrupt: |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 421 | rc = -EINVAL; |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 422 | tuner_err("Error: firmware file is corrupted!\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 423 | |
| 424 | err: |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 425 | tuner_info("Releasing partially loaded firmware file.\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 426 | free_firmware(priv); |
| 427 | |
| 428 | done: |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 429 | if (rc == 0) |
| 430 | tuner_dbg("Firmware files loaded.\n"); |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 431 | else |
| 432 | priv->state = XC2028_NODEV; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 433 | |
| 434 | return rc; |
| 435 | } |
| 436 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 437 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
| 438 | v4l2_std_id *id) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 439 | { |
| 440 | struct xc2028_data *priv = fe->tuner_priv; |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 441 | int i, best_i = -1, best_nr_matches = 0; |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 442 | unsigned int type_mask = 0; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 443 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 444 | tuner_dbg("%s called, want type=", __func__); |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 445 | if (debug) { |
| 446 | dump_firm_type(type); |
| 447 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
| 448 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 449 | |
| 450 | if (!priv->firm) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 451 | tuner_err("Error! firmware not loaded\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 452 | return -EINVAL; |
| 453 | } |
| 454 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 455 | if (((type & ~SCODE) == 0) && (*id == 0)) |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 456 | *id = V4L2_STD_PAL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 457 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 458 | if (type & BASE) |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 459 | type_mask = BASE_TYPES; |
Chris Pascoe | ef207fe | 2007-12-02 09:30:55 -0300 | [diff] [blame] | 460 | else if (type & SCODE) { |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 461 | type &= SCODE_TYPES; |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 462 | type_mask = SCODE_TYPES & ~HAS_IF; |
Chris Pascoe | ef207fe | 2007-12-02 09:30:55 -0300 | [diff] [blame] | 463 | } else if (type & DTV_TYPES) |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 464 | type_mask = DTV_TYPES; |
Chris Pascoe | 11a9eff | 2007-11-19 23:18:36 -0300 | [diff] [blame] | 465 | else if (type & STD_SPECIFIC_TYPES) |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 466 | type_mask = STD_SPECIFIC_TYPES; |
| 467 | |
| 468 | type &= type_mask; |
| 469 | |
Harvey Harrison | 8367fe2 | 2008-04-25 01:28:10 -0300 | [diff] [blame] | 470 | if (!(type & SCODE)) |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 471 | type_mask = ~0; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 472 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 473 | /* Seek for exact match */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 474 | for (i = 0; i < priv->firm_size; i++) { |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 475 | if ((type == (priv->firm[i].type & type_mask)) && |
Chris Pascoe | ef207fe | 2007-12-02 09:30:55 -0300 | [diff] [blame] | 476 | (*id == priv->firm[i].id)) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 477 | goto found; |
| 478 | } |
| 479 | |
| 480 | /* Seek for generic video standard match */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 481 | for (i = 0; i < priv->firm_size; i++) { |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 482 | v4l2_std_id match_mask; |
| 483 | int nr_matches; |
| 484 | |
Mauro Carvalho Chehab | 33e5316 | 2008-04-21 06:58:48 -0300 | [diff] [blame] | 485 | if (type != (priv->firm[i].type & type_mask)) |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 486 | continue; |
| 487 | |
| 488 | match_mask = *id & priv->firm[i].id; |
| 489 | if (!match_mask) |
| 490 | continue; |
| 491 | |
| 492 | if ((*id & match_mask) == *id) |
| 493 | goto found; /* Supports all the requested standards */ |
| 494 | |
| 495 | nr_matches = hweight64(match_mask); |
| 496 | if (nr_matches > best_nr_matches) { |
| 497 | best_nr_matches = nr_matches; |
| 498 | best_i = i; |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | if (best_nr_matches > 0) { |
| 503 | tuner_dbg("Selecting best matching firmware (%d bits) for " |
| 504 | "type=", best_nr_matches); |
| 505 | dump_firm_type(type); |
| 506 | printk("(%x), id %016llx:\n", type, (unsigned long long)*id); |
| 507 | i = best_i; |
| 508 | goto found; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | /*FIXME: Would make sense to seek for type "hint" match ? */ |
| 512 | |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 513 | i = -ENOENT; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 514 | goto ret; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 515 | |
| 516 | found: |
| 517 | *id = priv->firm[i].id; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 518 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 519 | ret: |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 520 | tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found"); |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 521 | if (debug) { |
| 522 | dump_firm_type(type); |
Chris Pascoe | 91240dd | 2007-11-19 04:38:53 -0300 | [diff] [blame] | 523 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 524 | } |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 525 | return i; |
| 526 | } |
| 527 | |
Michael Krufky | d7cba04 | 2008-09-12 13:31:45 -0300 | [diff] [blame] | 528 | static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg) |
| 529 | { |
| 530 | struct xc2028_data *priv = fe->tuner_priv; |
| 531 | |
| 532 | /* analog side (tuner-core) uses i2c_adap->algo_data. |
| 533 | * digital side is not guaranteed to have algo_data defined. |
| 534 | * |
| 535 | * digital side will always have fe->dvb defined. |
| 536 | * analog side (tuner-core) doesn't (yet) define fe->dvb. |
| 537 | */ |
| 538 | |
| 539 | return (!fe->callback) ? -EINVAL : |
| 540 | fe->callback(((fe->dvb) && (fe->dvb->priv)) ? |
| 541 | fe->dvb->priv : priv->i2c_props.adap->algo_data, |
| 542 | DVB_FRONTEND_COMPONENT_TUNER, cmd, arg); |
| 543 | } |
| 544 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 545 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, |
| 546 | v4l2_std_id *id) |
| 547 | { |
| 548 | struct xc2028_data *priv = fe->tuner_priv; |
| 549 | int pos, rc; |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 550 | unsigned char *p, *endp, buf[priv->ctrl.max_len]; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 551 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 552 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 553 | |
| 554 | pos = seek_firmware(fe, type, id); |
| 555 | if (pos < 0) |
| 556 | return pos; |
| 557 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 558 | tuner_info("Loading firmware for type="); |
Chris Pascoe | b153529 | 2007-11-19 10:04:06 -0300 | [diff] [blame] | 559 | dump_firm_type(priv->firm[pos].type); |
| 560 | printk("(%x), id %016llx.\n", priv->firm[pos].type, |
| 561 | (unsigned long long)*id); |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 562 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 563 | p = priv->firm[pos].ptr; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 564 | endp = p + priv->firm[pos].size; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 565 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 566 | while (p < endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 567 | __u16 size; |
| 568 | |
| 569 | /* Checks if there's enough bytes to read */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 570 | if (p + sizeof(size) > endp) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 571 | tuner_err("Firmware chunk size is wrong\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 572 | return -EINVAL; |
| 573 | } |
| 574 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 575 | size = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 576 | p += sizeof(size); |
| 577 | |
| 578 | if (size == 0xffff) |
| 579 | return 0; |
| 580 | |
| 581 | if (!size) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 582 | /* Special callback command received */ |
Michael Krufky | d7cba04 | 2008-09-12 13:31:45 -0300 | [diff] [blame] | 583 | rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 584 | if (rc < 0) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 585 | tuner_err("Error at RESET code %d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 586 | (*p) & 0x7f); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 587 | return -EINVAL; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 588 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 589 | continue; |
| 590 | } |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 591 | if (size >= 0xff00) { |
| 592 | switch (size) { |
| 593 | case 0xff00: |
Michael Krufky | d7cba04 | 2008-09-12 13:31:45 -0300 | [diff] [blame] | 594 | rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0); |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 595 | if (rc < 0) { |
| 596 | tuner_err("Error at RESET code %d\n", |
| 597 | (*p) & 0x7f); |
| 598 | return -EINVAL; |
| 599 | } |
Chris Pascoe | b32f9fb | 2007-11-19 04:53:50 -0300 | [diff] [blame] | 600 | break; |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 601 | default: |
| 602 | tuner_info("Invalid RESET code %d\n", |
| 603 | size & 0x7f); |
| 604 | return -EINVAL; |
| 605 | |
| 606 | } |
Mauro Carvalho Chehab | 2d4c0ac | 2007-11-16 09:43:19 -0300 | [diff] [blame] | 607 | continue; |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 608 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 609 | |
| 610 | /* Checks for a sleep command */ |
| 611 | if (size & 0x8000) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 612 | msleep(size & 0x7fff); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 613 | continue; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 614 | } |
| 615 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 616 | if ((size + p > endp)) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 617 | tuner_err("missing bytes: need %d, have %d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 618 | size, (int)(endp - p)); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 619 | return -EINVAL; |
| 620 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 621 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 622 | buf[0] = *p; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 623 | p++; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 624 | size--; |
| 625 | |
| 626 | /* Sends message chunks */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 627 | while (size > 0) { |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 628 | int len = (size < priv->ctrl.max_len - 1) ? |
| 629 | size : priv->ctrl.max_len - 1; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 630 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 631 | memcpy(buf + 1, p, len); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 632 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 633 | rc = i2c_send(priv, buf, len + 1); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 634 | if (rc < 0) { |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 635 | tuner_err("%d returned from send\n", rc); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 636 | return -EINVAL; |
| 637 | } |
| 638 | |
| 639 | p += len; |
| 640 | size -= len; |
| 641 | } |
Thierry Reding | 4d37ece | 2011-08-04 04:13:59 -0300 | [diff] [blame] | 642 | |
| 643 | /* silently fail if the frontend doesn't support I2C flush */ |
| 644 | rc = do_tuner_callback(fe, XC2028_I2C_FLUSH, 0); |
| 645 | if ((rc < 0) && (rc != -EINVAL)) { |
| 646 | tuner_err("error executing flush: %d\n", rc); |
| 647 | return rc; |
| 648 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 649 | } |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 650 | return 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 651 | } |
| 652 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 653 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 654 | v4l2_std_id *id, __u16 int_freq, int scode) |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 655 | { |
| 656 | struct xc2028_data *priv = fe->tuner_priv; |
| 657 | int pos, rc; |
| 658 | unsigned char *p; |
| 659 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 660 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 661 | |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 662 | if (!int_freq) { |
| 663 | pos = seek_firmware(fe, type, id); |
| 664 | if (pos < 0) |
| 665 | return pos; |
| 666 | } else { |
| 667 | for (pos = 0; pos < priv->firm_size; pos++) { |
| 668 | if ((priv->firm[pos].int_freq == int_freq) && |
Chris Pascoe | 9ca01e7 | 2007-12-02 06:54:17 -0300 | [diff] [blame] | 669 | (priv->firm[pos].type & HAS_IF)) |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 670 | break; |
| 671 | } |
| 672 | if (pos == priv->firm_size) |
| 673 | return -ENOENT; |
| 674 | } |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 675 | |
| 676 | p = priv->firm[pos].ptr; |
| 677 | |
Chris Pascoe | 9ca01e7 | 2007-12-02 06:54:17 -0300 | [diff] [blame] | 678 | if (priv->firm[pos].type & HAS_IF) { |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 679 | if (priv->firm[pos].size != 12 * 16 || scode >= 16) |
| 680 | return -EINVAL; |
| 681 | p += 12 * scode; |
| 682 | } else { |
| 683 | /* 16 SCODE entries per file; each SCODE entry is 12 bytes and |
| 684 | * has a 2-byte size header in the firmware format. */ |
| 685 | if (priv->firm[pos].size != 14 * 16 || scode >= 16 || |
| 686 | le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) |
| 687 | return -EINVAL; |
| 688 | p += 14 * scode + 2; |
| 689 | } |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 690 | |
Chris Pascoe | d7b22c5 | 2007-11-19 10:12:45 -0300 | [diff] [blame] | 691 | tuner_info("Loading SCODE for type="); |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 692 | dump_firm_type_and_int_freq(priv->firm[pos].type, |
| 693 | priv->firm[pos].int_freq); |
Chris Pascoe | d7b22c5 | 2007-11-19 10:12:45 -0300 | [diff] [blame] | 694 | printk("(%x), id %016llx.\n", priv->firm[pos].type, |
| 695 | (unsigned long long)*id); |
| 696 | |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 697 | if (priv->firm_version < 0x0202) |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 698 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
| 699 | else |
| 700 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); |
| 701 | if (rc < 0) |
| 702 | return -EIO; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 703 | |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 704 | rc = i2c_send(priv, p, 12); |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 705 | if (rc < 0) |
| 706 | return -EIO; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 707 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 708 | rc = send_seq(priv, {0x00, 0x8c}); |
| 709 | if (rc < 0) |
| 710 | return -EIO; |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 711 | |
| 712 | return 0; |
| 713 | } |
| 714 | |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 715 | static int check_firmware(struct dvb_frontend *fe, unsigned int type, |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 716 | v4l2_std_id std, __u16 int_freq) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 717 | { |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 718 | struct xc2028_data *priv = fe->tuner_priv; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 719 | struct firmware_properties new_fw; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 720 | int rc, retry_count = 0; |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 721 | u16 version, hwmodel; |
| 722 | v4l2_std_id std0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 723 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 724 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 725 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 726 | rc = check_device_status(priv); |
| 727 | if (rc < 0) |
| 728 | return rc; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 729 | |
Mauro Carvalho Chehab | 0f6dac1 | 2008-01-05 16:47:16 -0300 | [diff] [blame] | 730 | if (priv->ctrl.mts && !(type & FM)) |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 731 | type |= MTS; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 732 | |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 733 | retry: |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 734 | new_fw.type = type; |
| 735 | new_fw.id = std; |
| 736 | new_fw.std_req = std; |
| 737 | new_fw.scode_table = SCODE | priv->ctrl.scode_table; |
| 738 | new_fw.scode_nr = 0; |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 739 | new_fw.int_freq = int_freq; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 740 | |
| 741 | tuner_dbg("checking firmware, user requested type="); |
| 742 | if (debug) { |
| 743 | dump_firm_type(new_fw.type); |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 744 | printk("(%x), id %016llx, ", new_fw.type, |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 745 | (unsigned long long)new_fw.std_req); |
Chris Pascoe | e026268 | 2007-12-02 06:30:50 -0300 | [diff] [blame] | 746 | if (!int_freq) { |
| 747 | printk("scode_tbl "); |
| 748 | dump_firm_type(priv->ctrl.scode_table); |
| 749 | printk("(%x), ", priv->ctrl.scode_table); |
| 750 | } else |
| 751 | printk("int_freq %d, ", new_fw.int_freq); |
| 752 | printk("scode_nr %d\n", new_fw.scode_nr); |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 753 | } |
| 754 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 755 | /* |
| 756 | * No need to reload base firmware if it matches and if the tuner |
| 757 | * is not at sleep mode |
| 758 | */ |
Dan Carpenter | 3a495ed | 2012-07-21 04:32:38 -0300 | [diff] [blame] | 759 | if ((priv->state == XC2028_ACTIVE) && |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 760 | (((BASE | new_fw.type) & BASE_TYPES) == |
| 761 | (priv->cur_fw.type & BASE_TYPES))) { |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 762 | tuner_dbg("BASE firmware not changed.\n"); |
| 763 | goto skip_base; |
| 764 | } |
| 765 | |
| 766 | /* Updating BASE - forget about all currently loaded firmware */ |
| 767 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); |
| 768 | |
| 769 | /* Reset is needed before loading firmware */ |
Michael Krufky | d7cba04 | 2008-09-12 13:31:45 -0300 | [diff] [blame] | 770 | rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0); |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 771 | if (rc < 0) |
| 772 | goto fail; |
| 773 | |
Chris Pascoe | 47bd5bc | 2007-11-19 23:11:37 -0300 | [diff] [blame] | 774 | /* BASE firmwares are all std0 */ |
| 775 | std0 = 0; |
| 776 | rc = load_firmware(fe, BASE | new_fw.type, &std0); |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 777 | if (rc < 0) { |
| 778 | tuner_err("Error %d while loading base firmware\n", |
| 779 | rc); |
| 780 | goto fail; |
| 781 | } |
Michel Ludwig | 5403bba | 2007-11-16 07:49:49 -0300 | [diff] [blame] | 782 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 783 | /* Load INIT1, if needed */ |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 784 | tuner_dbg("Load init1 firmware, if exists\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 785 | |
Chris Pascoe | 47bd5bc | 2007-11-19 23:11:37 -0300 | [diff] [blame] | 786 | rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0); |
Chris Pascoe | 1ad0b79 | 2007-11-19 23:43:13 -0300 | [diff] [blame] | 787 | if (rc == -ENOENT) |
| 788 | rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ, |
| 789 | &std0); |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 790 | if (rc < 0 && rc != -ENOENT) { |
| 791 | tuner_err("Error %d while loading init1 firmware\n", |
| 792 | rc); |
| 793 | goto fail; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 794 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 795 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 796 | skip_base: |
| 797 | /* |
| 798 | * No need to reload standard specific firmware if base firmware |
| 799 | * was not reloaded and requested video standards have not changed. |
| 800 | */ |
| 801 | if (priv->cur_fw.type == (BASE | new_fw.type) && |
| 802 | priv->cur_fw.std_req == std) { |
| 803 | tuner_dbg("Std-specific firmware already loaded.\n"); |
| 804 | goto skip_std_specific; |
| 805 | } |
Mauro Carvalho Chehab | a82200f | 2007-11-15 11:58:00 -0300 | [diff] [blame] | 806 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 807 | /* Reloading std-specific firmware forces a SCODE update */ |
| 808 | priv->cur_fw.scode_table = 0; |
| 809 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 810 | rc = load_firmware(fe, new_fw.type, &new_fw.id); |
Mauro Carvalho Chehab | cca8379 | 2007-11-22 11:47:18 -0300 | [diff] [blame] | 811 | if (rc == -ENOENT) |
| 812 | rc = load_firmware(fe, new_fw.type & ~F8MHZ, &new_fw.id); |
| 813 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 814 | if (rc < 0) |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 815 | goto fail; |
| 816 | |
| 817 | skip_std_specific: |
| 818 | if (priv->cur_fw.scode_table == new_fw.scode_table && |
| 819 | priv->cur_fw.scode_nr == new_fw.scode_nr) { |
| 820 | tuner_dbg("SCODE firmware already loaded.\n"); |
| 821 | goto check_device; |
| 822 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 823 | |
Mauro Carvalho Chehab | 40ae91a | 2008-02-14 01:52:48 -0300 | [diff] [blame] | 824 | if (new_fw.type & FM) |
| 825 | goto check_device; |
| 826 | |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 827 | /* Load SCODE firmware, if exists */ |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 828 | tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); |
Mauro Carvalho Chehab | f380e1d | 2007-11-15 08:43:53 -0300 | [diff] [blame] | 829 | |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 830 | rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id, |
| 831 | new_fw.int_freq, new_fw.scode_nr); |
Mauro Carvalho Chehab | 43efe70 | 2007-11-14 19:30:28 -0300 | [diff] [blame] | 832 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 833 | check_device: |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 834 | if (xc2028_get_reg(priv, 0x0004, &version) < 0 || |
| 835 | xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) { |
| 836 | tuner_err("Unable to read tuner registers.\n"); |
| 837 | goto fail; |
| 838 | } |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 839 | |
Devin Heitmueller | b37f2d6 | 2008-04-21 07:02:09 -0300 | [diff] [blame] | 840 | tuner_dbg("Device is Xceive %d version %d.%d, " |
| 841 | "firmware version %d.%d\n", |
| 842 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, |
| 843 | (version & 0xf0) >> 4, version & 0xf); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 844 | |
Mauro Carvalho Chehab | 0fb84ce | 2008-12-02 08:30:16 -0300 | [diff] [blame] | 845 | |
| 846 | if (priv->ctrl.read_not_reliable) |
| 847 | goto read_not_reliable; |
| 848 | |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 849 | /* Check firmware version against what we downloaded. */ |
| 850 | if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { |
Mauro Carvalho Chehab | 2d5024a | 2009-09-14 10:23:20 -0300 | [diff] [blame] | 851 | if (!priv->ctrl.read_not_reliable) { |
| 852 | tuner_err("Incorrect readback of firmware version.\n"); |
| 853 | goto fail; |
| 854 | } else { |
| 855 | tuner_err("Returned an incorrect version. However, " |
| 856 | "read is not reliable enough. Ignoring it.\n"); |
| 857 | hwmodel = 3028; |
| 858 | } |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | /* Check that the tuner hardware model remains consistent over time. */ |
| 862 | if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) { |
| 863 | priv->hwmodel = hwmodel; |
| 864 | priv->hwvers = version & 0xff00; |
| 865 | } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || |
| 866 | priv->hwvers != (version & 0xff00)) { |
| 867 | tuner_err("Read invalid device hardware information - tuner " |
| 868 | "hung?\n"); |
| 869 | goto fail; |
| 870 | } |
| 871 | |
Mauro Carvalho Chehab | 0fb84ce | 2008-12-02 08:30:16 -0300 | [diff] [blame] | 872 | read_not_reliable: |
Ezequiel Garcia | 03c4200 | 2012-10-23 15:57:16 -0300 | [diff] [blame] | 873 | priv->cur_fw = new_fw; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 874 | |
| 875 | /* |
| 876 | * By setting BASE in cur_fw.type only after successfully loading all |
| 877 | * firmwares, we can: |
| 878 | * 1. Identify that BASE firmware with type=0 has been loaded; |
| 879 | * 2. Tell whether BASE firmware was just changed the next time through. |
| 880 | */ |
| 881 | priv->cur_fw.type |= BASE; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 882 | priv->state = XC2028_ACTIVE; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 883 | |
| 884 | return 0; |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 885 | |
| 886 | fail: |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 887 | priv->state = XC2028_SLEEP; |
| 888 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 889 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); |
Alina Friedrichsen | b8bc77d | 2011-01-23 12:27:05 -0300 | [diff] [blame] | 890 | if (retry_count < 8) { |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 891 | msleep(50); |
Alina Friedrichsen | b8bc77d | 2011-01-23 12:27:05 -0300 | [diff] [blame] | 892 | retry_count++; |
Chris Pascoe | 8bf799a | 2007-11-19 11:35:45 -0300 | [diff] [blame] | 893 | tuner_dbg("Retrying firmware load\n"); |
| 894 | goto retry; |
| 895 | } |
| 896 | |
Chris Pascoe | e0f0b37 | 2007-11-19 11:22:03 -0300 | [diff] [blame] | 897 | if (rc == -ENOENT) |
| 898 | rc = -EINVAL; |
| 899 | return rc; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 900 | } |
| 901 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 902 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 903 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 904 | struct xc2028_data *priv = fe->tuner_priv; |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 905 | u16 frq_lock, signal = 0; |
Mauro Carvalho Chehab | 90acb85 | 2012-07-04 02:00:00 -0300 | [diff] [blame] | 906 | int rc, i; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 907 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 908 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 909 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 910 | rc = check_device_status(priv); |
| 911 | if (rc < 0) |
| 912 | return rc; |
| 913 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 914 | mutex_lock(&priv->lock); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 915 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 916 | /* Sync Lock Indicator */ |
Mauro Carvalho Chehab | 90acb85 | 2012-07-04 02:00:00 -0300 | [diff] [blame] | 917 | for (i = 0; i < 3; i++) { |
| 918 | rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock); |
| 919 | if (rc < 0) |
| 920 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 921 | |
Mauro Carvalho Chehab | 90acb85 | 2012-07-04 02:00:00 -0300 | [diff] [blame] | 922 | if (frq_lock) |
| 923 | break; |
| 924 | msleep(6); |
| 925 | } |
| 926 | |
Mauro Carvalho Chehab | 1d432a3 | 2012-07-04 02:33:55 -0300 | [diff] [blame] | 927 | /* Frequency didn't lock */ |
Mauro Carvalho Chehab | 90acb85 | 2012-07-04 02:00:00 -0300 | [diff] [blame] | 928 | if (frq_lock == 2) |
| 929 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 930 | |
Mauro Carvalho Chehab | 80b5220 | 2007-11-05 09:07:13 -0300 | [diff] [blame] | 931 | /* Get SNR of the video signal */ |
Miroslav Slugen | 304bce4 | 2011-12-11 20:19:34 -0300 | [diff] [blame] | 932 | rc = xc2028_get_reg(priv, XREG_SNR, &signal); |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 933 | if (rc < 0) |
Mauro Carvalho Chehab | b0166ab | 2008-04-24 11:19:55 -0300 | [diff] [blame] | 934 | goto ret; |
| 935 | |
Mauro Carvalho Chehab | 90acb85 | 2012-07-04 02:00:00 -0300 | [diff] [blame] | 936 | /* Signal level is 3 bits only */ |
| 937 | |
| 938 | signal = ((1 << 12) - 1) | ((signal & 0x07) << 12); |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 939 | |
| 940 | ret: |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 941 | mutex_unlock(&priv->lock); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 942 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 943 | *strength = signal; |
| 944 | |
Mauro Carvalho Chehab | b0166ab | 2008-04-24 11:19:55 -0300 | [diff] [blame] | 945 | tuner_dbg("signal strength is %d\n", signal); |
| 946 | |
Chris Pascoe | 7d58d11 | 2007-11-19 04:31:58 -0300 | [diff] [blame] | 947 | return rc; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 948 | } |
| 949 | |
Mauro Carvalho Chehab | 1d432a3 | 2012-07-04 02:33:55 -0300 | [diff] [blame] | 950 | static int xc2028_get_afc(struct dvb_frontend *fe, s32 *afc) |
| 951 | { |
| 952 | struct xc2028_data *priv = fe->tuner_priv; |
| 953 | int i, rc; |
| 954 | u16 frq_lock = 0; |
| 955 | s16 afc_reg = 0; |
| 956 | |
| 957 | rc = check_device_status(priv); |
| 958 | if (rc < 0) |
| 959 | return rc; |
| 960 | |
| 961 | mutex_lock(&priv->lock); |
| 962 | |
| 963 | /* Sync Lock Indicator */ |
| 964 | for (i = 0; i < 3; i++) { |
| 965 | rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock); |
| 966 | if (rc < 0) |
| 967 | goto ret; |
| 968 | |
| 969 | if (frq_lock) |
| 970 | break; |
| 971 | msleep(6); |
| 972 | } |
| 973 | |
| 974 | /* Frequency didn't lock */ |
| 975 | if (frq_lock == 2) |
| 976 | goto ret; |
| 977 | |
| 978 | /* Get AFC */ |
| 979 | rc = xc2028_get_reg(priv, XREG_FREQ_ERROR, &afc_reg); |
| 980 | if (rc < 0) |
Dan Carpenter | f088ccd | 2012-07-21 04:32:59 -0300 | [diff] [blame] | 981 | goto ret; |
Mauro Carvalho Chehab | 1d432a3 | 2012-07-04 02:33:55 -0300 | [diff] [blame] | 982 | |
| 983 | *afc = afc_reg * 15625; /* Hz */ |
| 984 | |
| 985 | tuner_dbg("AFC is %d Hz\n", *afc); |
| 986 | |
| 987 | ret: |
| 988 | mutex_unlock(&priv->lock); |
| 989 | |
| 990 | return rc; |
| 991 | } |
| 992 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 993 | #define DIV 15625 |
| 994 | |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 995 | static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, |
Hans Verkuil | aa40d19 | 2011-03-06 09:24:32 -0300 | [diff] [blame] | 996 | enum v4l2_tuner_type new_type, |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 997 | unsigned int type, |
| 998 | v4l2_std_id std, |
| 999 | u16 int_freq) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1000 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1001 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1002 | int rc = -EINVAL; |
Chris Pascoe | 2ce4b3a | 2007-11-19 06:20:17 -0300 | [diff] [blame] | 1003 | unsigned char buf[4]; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1004 | u32 div, offset = 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1005 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1006 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1007 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1008 | mutex_lock(&priv->lock); |
| 1009 | |
Chris Pascoe | 2ce4b3a | 2007-11-19 06:20:17 -0300 | [diff] [blame] | 1010 | tuner_dbg("should set frequency %d kHz\n", freq / 1000); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1011 | |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 1012 | if (check_firmware(fe, type, std, int_freq) < 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 1013 | goto ret; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 1014 | |
Mauro Carvalho Chehab | 2800ae9 | 2007-11-22 12:48:04 -0300 | [diff] [blame] | 1015 | /* On some cases xc2028 can disable video output, if |
| 1016 | * very weak signals are received. By sending a soft |
| 1017 | * reset, this is re-enabled. So, it is better to always |
| 1018 | * send a soft reset before changing channels, to be sure |
| 1019 | * that xc2028 will be in a safe state. |
| 1020 | * Maybe this might also be needed for DTV. |
| 1021 | */ |
Mauro Carvalho Chehab | fd34cb0 | 2011-08-31 15:12:45 -0300 | [diff] [blame] | 1022 | switch (new_type) { |
| 1023 | case V4L2_TUNER_ANALOG_TV: |
Mauro Carvalho Chehab | 2800ae9 | 2007-11-22 12:48:04 -0300 | [diff] [blame] | 1024 | rc = send_seq(priv, {0x00, 0x00}); |
Mauro Carvalho Chehab | 0a86397 | 2009-06-01 12:18:10 -0300 | [diff] [blame] | 1025 | |
Mauro Carvalho Chehab | fd34cb0 | 2011-08-31 15:12:45 -0300 | [diff] [blame] | 1026 | /* Analog mode requires offset = 0 */ |
| 1027 | break; |
| 1028 | case V4L2_TUNER_RADIO: |
| 1029 | /* Radio mode requires offset = 0 */ |
| 1030 | break; |
| 1031 | case V4L2_TUNER_DIGITAL_TV: |
Mauro Carvalho Chehab | 7f2199c | 2010-02-19 02:45:00 -0200 | [diff] [blame] | 1032 | /* |
| 1033 | * Digital modes require an offset to adjust to the |
| 1034 | * proper frequency. The offset depends on what |
| 1035 | * firmware version is used. |
| 1036 | */ |
| 1037 | |
| 1038 | /* |
| 1039 | * Adjust to the center frequency. This is calculated by the |
| 1040 | * formula: offset = 1.25MHz - BW/2 |
| 1041 | * For DTV 7/8, the firmware uses BW = 8000, so it needs a |
| 1042 | * further adjustment to get the frequency center on VHF |
| 1043 | */ |
Gianluca Gennari | 98ab855 | 2012-01-04 15:17:19 -0300 | [diff] [blame] | 1044 | |
| 1045 | /* |
| 1046 | * The firmware DTV78 used to work fine in UHF band (8 MHz |
| 1047 | * bandwidth) but not at all in VHF band (7 MHz bandwidth). |
| 1048 | * The real problem was connected to the formula used to |
| 1049 | * calculate the center frequency offset in VHF band. |
| 1050 | * In fact, removing the 500KHz adjustment fixed the problem. |
| 1051 | * This is coherent to what was implemented for the DTV7 |
| 1052 | * firmware. |
| 1053 | * In the end, now the center frequency is the same for all 3 |
| 1054 | * firmwares (DTV7, DTV8, DTV78) and doesn't depend on channel |
| 1055 | * bandwidth. |
| 1056 | */ |
| 1057 | |
Mauro Carvalho Chehab | 0a86397 | 2009-06-01 12:18:10 -0300 | [diff] [blame] | 1058 | if (priv->cur_fw.type & DTV6) |
| 1059 | offset = 1750000; |
Gianluca Gennari | 98ab855 | 2012-01-04 15:17:19 -0300 | [diff] [blame] | 1060 | else /* DTV7 or DTV8 or DTV78 */ |
Mauro Carvalho Chehab | 0a86397 | 2009-06-01 12:18:10 -0300 | [diff] [blame] | 1061 | offset = 2750000; |
Mauro Carvalho Chehab | 7f2199c | 2010-02-19 02:45:00 -0200 | [diff] [blame] | 1062 | |
| 1063 | /* |
| 1064 | * xc3028 additional "magic" |
| 1065 | * Depending on the firmware version, it needs some adjustments |
| 1066 | * to properly centralize the frequency. This seems to be |
| 1067 | * needed to compensate the SCODE table adjustments made by |
| 1068 | * newer firmwares |
| 1069 | */ |
| 1070 | |
Mauro Carvalho Chehab | 7f2199c | 2010-02-19 02:45:00 -0200 | [diff] [blame] | 1071 | /* |
| 1072 | * The proper adjustment would be to do it at s-code table. |
| 1073 | * However, this didn't work, as reported by |
| 1074 | * Robert Lowery <rglowery@exemail.com.au> |
| 1075 | */ |
| 1076 | |
Gianluca Gennari | 98ab855 | 2012-01-04 15:17:19 -0300 | [diff] [blame] | 1077 | #if 0 |
Mauro Carvalho Chehab | 7f2199c | 2010-02-19 02:45:00 -0200 | [diff] [blame] | 1078 | /* |
| 1079 | * Still need tests for XC3028L (firmware 3.2 or upper) |
| 1080 | * So, for now, let's just comment the per-firmware |
| 1081 | * version of this change. Reports with xc3028l working |
| 1082 | * with and without the lines bellow are welcome |
| 1083 | */ |
| 1084 | |
| 1085 | if (priv->firm_version < 0x0302) { |
| 1086 | if (priv->cur_fw.type & DTV7) |
| 1087 | offset += 500000; |
| 1088 | } else { |
| 1089 | if (priv->cur_fw.type & DTV7) |
| 1090 | offset -= 300000; |
| 1091 | else if (type != ATSC) /* DVB @6MHz, DTV 8 and DTV 7/8 */ |
| 1092 | offset += 200000; |
| 1093 | } |
| 1094 | #endif |
Chris Pascoe | a44f1c4 | 2007-11-19 06:35:26 -0300 | [diff] [blame] | 1095 | } |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 1096 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1097 | div = (freq - offset + DIV / 2) / DIV; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 1098 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1099 | /* CMD= Set frequency */ |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 1100 | if (priv->firm_version < 0x0202) |
Miroslav Slugen | 304bce4 | 2011-12-11 20:19:34 -0300 | [diff] [blame] | 1101 | rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00}); |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 1102 | else |
Miroslav Slugen | 304bce4 | 2011-12-11 20:19:34 -0300 | [diff] [blame] | 1103 | rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00}); |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 1104 | if (rc < 0) |
| 1105 | goto ret; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1106 | |
Mauro Carvalho Chehab | 1fe87369 | 2008-04-22 14:45:20 -0300 | [diff] [blame] | 1107 | /* Return code shouldn't be checked. |
| 1108 | The reset CLK is needed only with tm6000. |
| 1109 | Driver should work fine even if this fails. |
| 1110 | */ |
Devin Heitmueller | 70ca3c4 | 2010-01-19 01:38:45 -0300 | [diff] [blame] | 1111 | if (priv->ctrl.msleep) |
| 1112 | msleep(priv->ctrl.msleep); |
Michael Krufky | d7cba04 | 2008-09-12 13:31:45 -0300 | [diff] [blame] | 1113 | do_tuner_callback(fe, XC2028_RESET_CLK, 1); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1114 | |
| 1115 | msleep(10); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1116 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1117 | buf[0] = 0xff & (div >> 24); |
| 1118 | buf[1] = 0xff & (div >> 16); |
| 1119 | buf[2] = 0xff & (div >> 8); |
| 1120 | buf[3] = 0xff & (div); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1121 | |
Chris Pascoe | 47cc5b7 | 2007-11-19 04:14:23 -0300 | [diff] [blame] | 1122 | rc = i2c_send(priv, buf, sizeof(buf)); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1123 | if (rc < 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 1124 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1125 | msleep(100); |
| 1126 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1127 | priv->frequency = freq; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1128 | |
Andy Shevchenko | c6480cc | 2012-08-07 12:43:03 -0300 | [diff] [blame] | 1129 | tuner_dbg("divisor= %*ph (freq=%d.%03d)\n", 4, buf, |
Chris Pascoe | 2ce4b3a | 2007-11-19 06:20:17 -0300 | [diff] [blame] | 1130 | freq / 1000000, (freq % 1000000) / 1000); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1131 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1132 | rc = 0; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 1133 | |
| 1134 | ret: |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1135 | mutex_unlock(&priv->lock); |
| 1136 | |
| 1137 | return rc; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1138 | } |
| 1139 | |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 1140 | static int xc2028_set_analog_freq(struct dvb_frontend *fe, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1141 | struct analog_parameters *p) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1142 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1143 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 1144 | unsigned int type=0; |
| 1145 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1146 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | c71d4bc | 2007-11-22 11:47:18 -0300 | [diff] [blame] | 1147 | |
Mauro Carvalho Chehab | d74cb25 | 2007-11-24 10:20:15 -0300 | [diff] [blame] | 1148 | if (p->mode == V4L2_TUNER_RADIO) { |
| 1149 | type |= FM; |
| 1150 | if (priv->ctrl.input1) |
| 1151 | type |= INPUT1; |
| 1152 | return generic_set_freq(fe, (625l * p->frequency) / 10, |
Mauro Carvalho Chehab | 437f5fa | 2011-02-21 21:03:59 -0300 | [diff] [blame] | 1153 | V4L2_TUNER_RADIO, type, 0, 0); |
Mauro Carvalho Chehab | d74cb25 | 2007-11-24 10:20:15 -0300 | [diff] [blame] | 1154 | } |
| 1155 | |
Mauro Carvalho Chehab | a5e9fe1 | 2007-11-23 11:36:18 -0300 | [diff] [blame] | 1156 | /* if std is not defined, choose one */ |
| 1157 | if (!p->std) |
| 1158 | p->std = V4L2_STD_MN; |
| 1159 | |
| 1160 | /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */ |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 1161 | if (!(p->std & V4L2_STD_MN)) |
| 1162 | type |= F8MHZ; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1163 | |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 1164 | /* Add audio hack to std mask */ |
| 1165 | p->std |= parse_audio_std_option(); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1166 | |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 1167 | return generic_set_freq(fe, 62500l * p->frequency, |
Mauro Carvalho Chehab | 437f5fa | 2011-02-21 21:03:59 -0300 | [diff] [blame] | 1168 | V4L2_TUNER_ANALOG_TV, type, p->std, 0); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1169 | } |
| 1170 | |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 1171 | static int xc2028_set_params(struct dvb_frontend *fe) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1172 | { |
Mauro Carvalho Chehab | 506cd71 | 2011-12-21 08:53:22 -0300 | [diff] [blame] | 1173 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 1174 | u32 delsys = c->delivery_system; |
| 1175 | u32 bw = c->bandwidth_hz; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1176 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1177 | int rc; |
| 1178 | unsigned int type = 0; |
Chris Pascoe | ad35ce9 | 2007-12-02 06:36:42 -0300 | [diff] [blame] | 1179 | u16 demod = 0; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1180 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1181 | tuner_dbg("%s called\n", __func__); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1182 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1183 | rc = check_device_status(priv); |
| 1184 | if (rc < 0) |
| 1185 | return rc; |
| 1186 | |
Mauro Carvalho Chehab | 506cd71 | 2011-12-21 08:53:22 -0300 | [diff] [blame] | 1187 | switch (delsys) { |
| 1188 | case SYS_DVBT: |
| 1189 | case SYS_DVBT2: |
Mauro Carvalho Chehab | a1014d7 | 2009-06-01 11:46:08 -0300 | [diff] [blame] | 1190 | /* |
| 1191 | * The only countries with 6MHz seem to be Taiwan/Uruguay. |
| 1192 | * Both seem to require QAM firmware for OFDM decoding |
| 1193 | * Tested in Taiwan by Terry Wu <terrywu2009@gmail.com> |
| 1194 | */ |
Mauro Carvalho Chehab | 506cd71 | 2011-12-21 08:53:22 -0300 | [diff] [blame] | 1195 | if (bw <= 6000000) |
Mauro Carvalho Chehab | a1014d7 | 2009-06-01 11:46:08 -0300 | [diff] [blame] | 1196 | type |= QAM; |
Mauro Carvalho Chehab | d04aa54 | 2007-11-24 10:47:03 -0300 | [diff] [blame] | 1197 | |
Mauro Carvalho Chehab | 0975fc6 | 2008-09-28 02:24:44 -0300 | [diff] [blame] | 1198 | switch (priv->ctrl.type) { |
| 1199 | case XC2028_D2633: |
| 1200 | type |= D2633; |
| 1201 | break; |
| 1202 | case XC2028_D2620: |
| 1203 | type |= D2620; |
| 1204 | break; |
| 1205 | case XC2028_AUTO: |
| 1206 | default: |
| 1207 | /* Zarlink seems to need D2633 */ |
| 1208 | if (priv->ctrl.demod == XC3028_FE_ZARLINK456) |
| 1209 | type |= D2633; |
| 1210 | else |
| 1211 | type |= D2620; |
| 1212 | } |
Mauro Carvalho Chehab | 506cd71 | 2011-12-21 08:53:22 -0300 | [diff] [blame] | 1213 | break; |
| 1214 | case SYS_ATSC: |
| 1215 | /* The only ATSC firmware (at least on v2.7) is D2633 */ |
| 1216 | type |= ATSC | D2633; |
| 1217 | break; |
| 1218 | /* DVB-S and pure QAM (FE_QAM) are not supported */ |
| 1219 | default: |
| 1220 | return -EINVAL; |
| 1221 | } |
| 1222 | |
| 1223 | if (bw <= 6000000) { |
| 1224 | type |= DTV6; |
| 1225 | priv->ctrl.vhfbw7 = 0; |
| 1226 | priv->ctrl.uhfbw8 = 0; |
| 1227 | } else if (bw <= 7000000) { |
| 1228 | if (c->frequency < 470000000) |
| 1229 | priv->ctrl.vhfbw7 = 1; |
| 1230 | else |
| 1231 | priv->ctrl.uhfbw8 = 0; |
| 1232 | type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; |
| 1233 | type |= F8MHZ; |
| 1234 | } else { |
| 1235 | if (c->frequency < 470000000) |
| 1236 | priv->ctrl.vhfbw7 = 0; |
| 1237 | else |
| 1238 | priv->ctrl.uhfbw8 = 1; |
| 1239 | type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; |
| 1240 | type |= F8MHZ; |
Mauro Carvalho Chehab | 0975fc6 | 2008-09-28 02:24:44 -0300 | [diff] [blame] | 1241 | } |
| 1242 | |
Mauro Carvalho Chehab | 66c2d53 | 2007-11-25 19:26:36 -0300 | [diff] [blame] | 1243 | /* All S-code tables need a 200kHz shift */ |
Andy Walls | 6e707b4 | 2009-06-11 07:57:50 -0300 | [diff] [blame] | 1244 | if (priv->ctrl.demod) { |
Mauro Carvalho Chehab | 7d35028 | 2010-02-19 20:08:06 -0200 | [diff] [blame] | 1245 | demod = priv->ctrl.demod; |
| 1246 | |
Mauro Carvalho Chehab | 7f2199c | 2010-02-19 02:45:00 -0200 | [diff] [blame] | 1247 | /* |
| 1248 | * Newer firmwares require a 200 kHz offset only for ATSC |
| 1249 | */ |
| 1250 | if (type == ATSC || priv->firm_version < 0x0302) |
Mauro Carvalho Chehab | 7d35028 | 2010-02-19 20:08:06 -0200 | [diff] [blame] | 1251 | demod += 200; |
Andy Walls | 6e707b4 | 2009-06-11 07:57:50 -0300 | [diff] [blame] | 1252 | /* |
| 1253 | * The DTV7 S-code table needs a 700 kHz shift. |
Andy Walls | 6e707b4 | 2009-06-11 07:57:50 -0300 | [diff] [blame] | 1254 | * |
| 1255 | * DTV7 is only used in Australia. Germany or Italy may also |
| 1256 | * use this firmware after initialization, but a tune to a UHF |
| 1257 | * channel should then cause DTV78 to be used. |
Mauro Carvalho Chehab | 7f2199c | 2010-02-19 02:45:00 -0200 | [diff] [blame] | 1258 | * |
| 1259 | * Unfortunately, on real-field tests, the s-code offset |
| 1260 | * didn't work as expected, as reported by |
| 1261 | * Robert Lowery <rglowery@exemail.com.au> |
Andy Walls | 6e707b4 | 2009-06-11 07:57:50 -0300 | [diff] [blame] | 1262 | */ |
Andy Walls | 6e707b4 | 2009-06-11 07:57:50 -0300 | [diff] [blame] | 1263 | } |
Mauro Carvalho Chehab | b542dfd | 2007-11-24 11:07:12 -0300 | [diff] [blame] | 1264 | |
Mauro Carvalho Chehab | 506cd71 | 2011-12-21 08:53:22 -0300 | [diff] [blame] | 1265 | return generic_set_freq(fe, c->frequency, |
Mauro Carvalho Chehab | 437f5fa | 2011-02-21 21:03:59 -0300 | [diff] [blame] | 1266 | V4L2_TUNER_DIGITAL_TV, type, 0, demod); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1267 | } |
| 1268 | |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1269 | static int xc2028_sleep(struct dvb_frontend *fe) |
| 1270 | { |
| 1271 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1272 | int rc; |
| 1273 | |
| 1274 | rc = check_device_status(priv); |
| 1275 | if (rc < 0) |
| 1276 | return rc; |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1277 | |
Devin Heitmueller | 93b9992 | 2009-08-03 22:52:59 -0300 | [diff] [blame] | 1278 | /* Avoid firmware reload on slow devices or if PM disabled */ |
| 1279 | if (no_poweroff || priv->ctrl.disable_power_mgmt) |
Mauro Carvalho Chehab | 10f201a | 2008-12-05 10:49:53 -0300 | [diff] [blame] | 1280 | return 0; |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1281 | |
| 1282 | tuner_dbg("Putting xc2028/3028 into poweroff mode.\n"); |
Mauro Carvalho Chehab | e278e74 | 2008-12-18 06:00:25 -0300 | [diff] [blame] | 1283 | if (debug > 1) { |
| 1284 | tuner_dbg("Printing sleep stack trace:\n"); |
| 1285 | dump_stack(); |
| 1286 | } |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1287 | |
| 1288 | mutex_lock(&priv->lock); |
| 1289 | |
| 1290 | if (priv->firm_version < 0x0202) |
Miroslav Slugen | 304bce4 | 2011-12-11 20:19:34 -0300 | [diff] [blame] | 1291 | rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00}); |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1292 | else |
Miroslav Slugen | 304bce4 | 2011-12-11 20:19:34 -0300 | [diff] [blame] | 1293 | rc = send_seq(priv, {0x80, XREG_POWER_DOWN, 0x00, 0x00}); |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1294 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1295 | priv->state = XC2028_SLEEP; |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1296 | |
| 1297 | mutex_unlock(&priv->lock); |
| 1298 | |
| 1299 | return rc; |
| 1300 | } |
Chris Pascoe | 45819c3 | 2007-11-19 11:41:20 -0300 | [diff] [blame] | 1301 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1302 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1303 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1304 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1305 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1306 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1307 | |
Chris Pascoe | aa501be | 2007-11-19 04:45:38 -0300 | [diff] [blame] | 1308 | mutex_lock(&xc2028_list_mutex); |
| 1309 | |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1310 | /* only perform final cleanup if this is the last instance */ |
| 1311 | if (hybrid_tuner_report_instance_count(priv) == 1) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1312 | free_firmware(priv); |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1313 | kfree(priv->ctrl.fname); |
| 1314 | priv->ctrl.fname = NULL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1315 | } |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1316 | |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1317 | if (priv) |
| 1318 | hybrid_tuner_release_state(priv); |
| 1319 | |
Chris Pascoe | aa501be | 2007-11-19 04:45:38 -0300 | [diff] [blame] | 1320 | mutex_unlock(&xc2028_list_mutex); |
| 1321 | |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1322 | fe->tuner_priv = NULL; |
| 1323 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1324 | return 0; |
| 1325 | } |
| 1326 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1327 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1328 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1329 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1330 | int rc; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1331 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1332 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1333 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1334 | rc = check_device_status(priv); |
| 1335 | if (rc < 0) |
| 1336 | return rc; |
| 1337 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1338 | *frequency = priv->frequency; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1339 | |
| 1340 | return 0; |
| 1341 | } |
| 1342 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1343 | static void load_firmware_cb(const struct firmware *fw, |
| 1344 | void *context) |
| 1345 | { |
| 1346 | struct dvb_frontend *fe = context; |
| 1347 | struct xc2028_data *priv = fe->tuner_priv; |
| 1348 | int rc; |
| 1349 | |
| 1350 | tuner_dbg("request_firmware_nowait(): %s\n", fw ? "OK" : "error"); |
| 1351 | if (!fw) { |
| 1352 | tuner_err("Could not load firmware %s.\n", priv->fname); |
| 1353 | priv->state = XC2028_NODEV; |
| 1354 | return; |
| 1355 | } |
| 1356 | |
| 1357 | rc = load_all_firmwares(fe, fw); |
| 1358 | |
| 1359 | release_firmware(fw); |
| 1360 | |
| 1361 | if (rc < 0) |
| 1362 | return; |
| 1363 | priv->state = XC2028_SLEEP; |
| 1364 | } |
| 1365 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1366 | 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] | 1367 | { |
| 1368 | struct xc2028_data *priv = fe->tuner_priv; |
| 1369 | struct xc2028_ctrl *p = priv_cfg; |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 1370 | int rc = 0; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1371 | |
Harvey Harrison | 7e28adb | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 1372 | tuner_dbg("%s called\n", __func__); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1373 | |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 1374 | mutex_lock(&priv->lock); |
| 1375 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1376 | /* |
| 1377 | * Copy the config data. |
| 1378 | * For the firmware name, keep a local copy of the string, |
| 1379 | * in order to avoid troubles during device release. |
| 1380 | */ |
| 1381 | if (priv->ctrl.fname) |
| 1382 | kfree(priv->ctrl.fname); |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 1383 | memcpy(&priv->ctrl, p, sizeof(priv->ctrl)); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1384 | if (p->fname) { |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 1385 | priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL); |
| 1386 | if (priv->ctrl.fname == NULL) |
| 1387 | rc = -ENOMEM; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1388 | } |
| 1389 | |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1390 | /* |
| 1391 | * If firmware name changed, frees firmware. As free_firmware will |
| 1392 | * reset the status to NO_FIRMWARE, this forces a new request_firmware |
| 1393 | */ |
| 1394 | if (!firmware_name[0] && p->fname && |
| 1395 | priv->fname && strcmp(p->fname, priv->fname)) |
| 1396 | free_firmware(priv); |
| 1397 | |
| 1398 | if (priv->ctrl.max_len < 9) |
| 1399 | priv->ctrl.max_len = 13; |
| 1400 | |
| 1401 | if (priv->state == XC2028_NO_FIRMWARE) { |
| 1402 | if (!firmware_name[0]) |
| 1403 | priv->fname = priv->ctrl.fname; |
| 1404 | else |
| 1405 | priv->fname = firmware_name; |
| 1406 | |
| 1407 | rc = request_firmware_nowait(THIS_MODULE, 1, |
| 1408 | priv->fname, |
| 1409 | priv->i2c_props.adap->dev.parent, |
| 1410 | GFP_KERNEL, |
| 1411 | fe, load_firmware_cb); |
| 1412 | if (rc < 0) { |
| 1413 | tuner_err("Failed to request firmware %s\n", |
| 1414 | priv->fname); |
| 1415 | priv->state = XC2028_NODEV; |
Hans Petter Selasky | 1e9c14f | 2012-08-03 03:34:05 -0300 | [diff] [blame] | 1416 | } else |
| 1417 | priv->state = XC2028_WAITING_FIRMWARE; |
Mauro Carvalho Chehab | 61a9611 | 2012-06-30 09:08:54 -0300 | [diff] [blame] | 1418 | } |
Chris Pascoe | 06fd82d | 2007-11-19 06:06:08 -0300 | [diff] [blame] | 1419 | mutex_unlock(&priv->lock); |
| 1420 | |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 1421 | return rc; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1422 | } |
| 1423 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1424 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1425 | .info = { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1426 | .name = "Xceive XC3028", |
| 1427 | .frequency_min = 42000000, |
| 1428 | .frequency_max = 864000000, |
| 1429 | .frequency_step = 50000, |
| 1430 | }, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1431 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1432 | .set_config = xc2028_set_config, |
Mauro Carvalho Chehab | 00deff1 | 2007-11-24 10:13:42 -0300 | [diff] [blame] | 1433 | .set_analog_params = xc2028_set_analog_freq, |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1434 | .release = xc2028_dvb_release, |
| 1435 | .get_frequency = xc2028_get_frequency, |
| 1436 | .get_rf_strength = xc2028_signal, |
Mauro Carvalho Chehab | 1d432a3 | 2012-07-04 02:33:55 -0300 | [diff] [blame] | 1437 | .get_afc = xc2028_get_afc, |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1438 | .set_params = xc2028_set_params, |
Mauro Carvalho Chehab | 74a89b2 | 2008-12-05 10:31:16 -0300 | [diff] [blame] | 1439 | .sleep = xc2028_sleep, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1440 | }; |
| 1441 | |
Michael Krufky | 7972f98 | 2007-12-21 16:12:09 -0300 | [diff] [blame] | 1442 | struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe, |
| 1443 | struct xc2028_config *cfg) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1444 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1445 | struct xc2028_data *priv; |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1446 | int instance; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1447 | |
Mauro Carvalho Chehab | 83fb340 | 2007-11-15 09:44:30 -0300 | [diff] [blame] | 1448 | if (debug) |
Michael Krufky | 2756665 | 2008-04-22 14:41:53 -0300 | [diff] [blame] | 1449 | printk(KERN_DEBUG "xc2028: Xcv2028/3028 init called!\n"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1450 | |
Mauro Carvalho Chehab | b412ba7 | 2008-04-22 14:46:11 -0300 | [diff] [blame] | 1451 | if (NULL == cfg) |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 1452 | return NULL; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1453 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 1454 | if (!fe) { |
Michael Krufky | 2756665 | 2008-04-22 14:41:53 -0300 | [diff] [blame] | 1455 | printk(KERN_ERR "xc2028: No frontend!\n"); |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 1456 | return NULL; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1457 | } |
| 1458 | |
Chris Pascoe | aa501be | 2007-11-19 04:45:38 -0300 | [diff] [blame] | 1459 | mutex_lock(&xc2028_list_mutex); |
| 1460 | |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1461 | instance = hybrid_tuner_request_state(struct xc2028_data, priv, |
| 1462 | hybrid_tuner_instance_list, |
| 1463 | cfg->i2c_adap, cfg->i2c_addr, |
| 1464 | "xc2028"); |
| 1465 | switch (instance) { |
| 1466 | case 0: |
| 1467 | /* memory allocation failure */ |
| 1468 | goto fail; |
| 1469 | break; |
| 1470 | case 1: |
| 1471 | /* new tuner instance */ |
Chris Pascoe | 0a196b6 | 2007-11-19 09:29:59 -0300 | [diff] [blame] | 1472 | priv->ctrl.max_len = 13; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 1473 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1474 | mutex_init(&priv->lock); |
| 1475 | |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1476 | fe->tuner_priv = priv; |
| 1477 | break; |
| 1478 | case 2: |
| 1479 | /* existing tuner instance */ |
| 1480 | fe->tuner_priv = priv; |
| 1481 | break; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1482 | } |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 1483 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1484 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame] | 1485 | sizeof(xc2028_dvb_tuner_ops)); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1486 | |
| 1487 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1488 | |
Mauro Carvalho Chehab | 71a2ee3 | 2007-11-22 12:19:37 -0300 | [diff] [blame] | 1489 | if (cfg->ctrl) |
| 1490 | xc2028_set_config(fe, cfg->ctrl); |
| 1491 | |
Chris Pascoe | aa501be | 2007-11-19 04:45:38 -0300 | [diff] [blame] | 1492 | mutex_unlock(&xc2028_list_mutex); |
| 1493 | |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 1494 | return fe; |
Michael Krufky | c663d03 | 2008-04-18 21:22:50 -0300 | [diff] [blame] | 1495 | fail: |
| 1496 | mutex_unlock(&xc2028_list_mutex); |
| 1497 | |
| 1498 | xc2028_dvb_release(fe); |
| 1499 | return NULL; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1500 | } |
Michel Ludwig | a37b4c9 | 2007-11-16 07:46:14 -0300 | [diff] [blame] | 1501 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 1502 | EXPORT_SYMBOL(xc2028_attach); |
| 1503 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1504 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 1505 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 1506 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
| 1507 | MODULE_LICENSE("GPL"); |
Mauro Carvalho Chehab | ab9cbcd | 2012-06-26 15:34:22 -0300 | [diff] [blame] | 1508 | MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE); |
| 1509 | MODULE_FIRMWARE(XC3028L_DEFAULT_FIRMWARE); |