Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 1 | /* tuner-xc2028 |
| 2 | * |
| 3 | * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 4 | * |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 5 | * Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com) |
| 6 | * - frontend interface |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 7 | * |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 8 | * This code is placed under the terms of the GNU General Public License v2 |
| 9 | */ |
| 10 | |
| 11 | #include <linux/i2c.h> |
| 12 | #include <asm/div64.h> |
| 13 | #include <linux/firmware.h> |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 14 | #include <linux/videodev2.h> |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 15 | #include <linux/delay.h> |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 16 | #include <media/tuner.h> |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 17 | #include <linux/mutex.h> |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 18 | #include "tuner-i2c.h" |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 19 | #include "tuner-xc2028.h" |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 20 | #include "tuner-xc2028-types.h" |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 21 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 22 | #include <linux/dvb/frontend.h> |
| 23 | #include "dvb_frontend.h" |
| 24 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 25 | #define PREFIX "xc2028 " |
| 26 | |
| 27 | static LIST_HEAD(xc2028_list); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 28 | /* struct for storing firmware table */ |
| 29 | struct firmware_description { |
| 30 | unsigned int type; |
| 31 | v4l2_std_id id; |
| 32 | unsigned char *ptr; |
| 33 | unsigned int size; |
| 34 | }; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 35 | |
| 36 | struct xc2028_data { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 37 | struct list_head xc2028_list; |
| 38 | struct tuner_i2c_props i2c_props; |
| 39 | int (*tuner_callback) (void *dev, |
| 40 | int command, int arg); |
| 41 | struct device *dev; |
| 42 | void *video_dev; |
| 43 | int count; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 44 | __u32 frequency; |
| 45 | |
| 46 | struct firmware_description *firm; |
| 47 | int firm_size; |
| 48 | |
| 49 | __u16 version; |
| 50 | |
| 51 | struct xc2028_ctrl ctrl; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 52 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 53 | v4l2_std_id firm_type; /* video stds supported |
| 54 | by current firmware */ |
| 55 | fe_bandwidth_t bandwidth; /* Firmware bandwidth: |
| 56 | 6M, 7M or 8M */ |
| 57 | int need_load_generic; /* The generic firmware |
| 58 | were loaded? */ |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 59 | |
| 60 | int max_len; /* Max firmware chunk */ |
| 61 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 62 | enum tuner_mode mode; |
| 63 | struct i2c_client *i2c_client; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 64 | |
| 65 | struct mutex lock; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 66 | }; |
| 67 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 68 | #define i2c_send(rc, priv, buf, size) do { \ |
| 69 | rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ |
| 70 | if (size != rc) \ |
| 71 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ |
| 72 | rc, (int)size); \ |
| 73 | } while (0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 74 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 75 | #define i2c_rcv(rc, priv, buf, size) do { \ |
| 76 | rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ |
| 77 | if (size != rc) \ |
| 78 | tuner_info("i2c input error: rc = %d (should be %d)\n", \ |
| 79 | rc, (int)size); \ |
| 80 | } while (0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 81 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 82 | #define send_seq(priv, data...) do { \ |
| 83 | int rc; \ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 84 | static u8 _val[] = data; \ |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 85 | if (sizeof(_val) != \ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 86 | (rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 87 | _val, sizeof(_val)))) { \ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 88 | tuner_info("Error on line %d: %d\n", __LINE__, rc); \ |
| 89 | return -EINVAL; \ |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 90 | } \ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 91 | msleep(10); \ |
| 92 | } while (0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 93 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 94 | static int xc2028_get_reg(struct xc2028_data *priv, u16 reg) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 95 | { |
| 96 | int rc; |
| 97 | unsigned char buf[1]; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 98 | |
| 99 | tuner_info("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 100 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 101 | buf[0] = reg; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 102 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 103 | i2c_send(rc, priv, buf, sizeof(buf)); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 104 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 105 | return rc; |
| 106 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 107 | i2c_rcv(rc, priv, buf, 2); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 108 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 109 | return rc; |
| 110 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 111 | return (buf[1]) | (buf[0] << 8); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 112 | } |
| 113 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 114 | static void free_firmware(struct xc2028_data *priv) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 115 | { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 116 | int i; |
| 117 | |
| 118 | if (!priv->firm) |
| 119 | return; |
| 120 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 121 | for (i = 0; i < priv->firm_size; i++) |
| 122 | kfree(priv->firm[i].ptr); |
| 123 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 124 | kfree(priv->firm); |
| 125 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 126 | priv->firm = NULL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 127 | priv->need_load_generic = 1; |
| 128 | } |
| 129 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 130 | static int load_all_firmwares(struct dvb_frontend *fe) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 131 | { |
| 132 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 133 | const struct firmware *fw = NULL; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 134 | unsigned char *p, *endp; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 135 | int rc = 0; |
| 136 | int n, n_array; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 137 | char name[33]; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 138 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 139 | tuner_info("%s called\n", __FUNCTION__); |
| 140 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 141 | tuner_info("Loading firmware %s\n", priv->ctrl.fname); |
| 142 | rc = request_firmware(&fw, priv->ctrl.fname, priv->dev); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 143 | if (rc < 0) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 144 | if (rc == -ENOENT) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 145 | tuner_info("Error: firmware %s not found.\n", |
| 146 | priv->ctrl.fname); |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 147 | else |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 148 | tuner_info("Error %d while requesting firmware %s \n", |
| 149 | rc, priv->ctrl.fname); |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 150 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 151 | return rc; |
| 152 | } |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 153 | p = fw->data; |
| 154 | endp = p + fw->size; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 155 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 156 | if (fw->size < sizeof(name) - 1 + 2) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 157 | tuner_info("Error: firmware size is zero!\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 158 | rc = -EINVAL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 159 | goto done; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 160 | } |
| 161 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 162 | memcpy(name, p, sizeof(name) - 1); |
| 163 | name[sizeof(name) - 1] = 0; |
| 164 | p += sizeof(name) - 1; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 165 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 166 | priv->version = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 167 | p += 2; |
| 168 | |
| 169 | tuner_info("firmware: %s, ver %d.%d\n", name, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 170 | priv->version >> 8, priv->version & 0xff); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 171 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 172 | if (p + 2 > endp) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 173 | goto corrupt; |
| 174 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 175 | n_array = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 176 | p += 2; |
| 177 | |
| 178 | tuner_info("there are %d firmwares at %s\n", n_array, priv->ctrl.fname); |
| 179 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 180 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 181 | |
| 182 | if (!fw) { |
| 183 | tuner_info("Not enough memory for loading firmware.\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 184 | rc = -ENOMEM; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 185 | goto done; |
| 186 | } |
| 187 | |
| 188 | priv->firm_size = n_array; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 189 | n = -1; |
| 190 | while (p < endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 191 | __u32 type, size; |
| 192 | v4l2_std_id id; |
| 193 | |
| 194 | n++; |
| 195 | if (n >= n_array) { |
| 196 | tuner_info("Too much firmwares at the file\n"); |
| 197 | goto corrupt; |
| 198 | } |
| 199 | |
| 200 | /* Checks if there's enough bytes to read */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 201 | if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 202 | tuner_info("Lost firmware!\n"); |
| 203 | goto corrupt; |
| 204 | } |
| 205 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 206 | type = le32_to_cpu(*(__u32 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 207 | p += sizeof(type); |
| 208 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 209 | id = le64_to_cpu(*(v4l2_std_id *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 210 | p += sizeof(id); |
| 211 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 212 | size = le32_to_cpu(*(v4l2_std_id *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 213 | p += sizeof(size); |
| 214 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 215 | if ((!size) || (size + p > endp)) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 216 | tuner_info("Firmware type %x, id %lx corrupt\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 217 | type, (unsigned long)id); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 218 | goto corrupt; |
| 219 | } |
| 220 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 221 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 222 | if (!priv->firm[n].ptr) { |
| 223 | tuner_info("Not enough memory.\n"); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 224 | rc = -ENOMEM; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 225 | goto err; |
| 226 | } |
| 227 | tuner_info("Loading firmware type %x, id %lx, size=%d.\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 228 | type, (unsigned long)id, size); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 229 | |
| 230 | memcpy(priv->firm[n].ptr, p, size); |
| 231 | priv->firm[n].type = type; |
| 232 | priv->firm[n].id = id; |
| 233 | priv->firm[n].size = size; |
| 234 | |
| 235 | p += size; |
| 236 | } |
| 237 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 238 | if (n + 1 != priv->firm_size) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 239 | tuner_info("Firmware file is incomplete!\n"); |
| 240 | goto corrupt; |
| 241 | } |
| 242 | |
| 243 | goto done; |
| 244 | |
| 245 | corrupt: |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 246 | rc = -EINVAL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 247 | tuner_info("Error: firmware file is corrupted!\n"); |
| 248 | |
| 249 | err: |
| 250 | tuner_info("Releasing loaded firmware file.\n"); |
| 251 | |
| 252 | free_firmware(priv); |
| 253 | |
| 254 | done: |
| 255 | release_firmware(fw); |
| 256 | tuner_info("Firmware files loaded.\n"); |
| 257 | |
| 258 | return rc; |
| 259 | } |
| 260 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 261 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, |
| 262 | v4l2_std_id * id) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 263 | { |
| 264 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 265 | int i, rc; |
| 266 | unsigned char *p, *endp, buf[priv->max_len]; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 267 | |
| 268 | tuner_info("%s called\n", __FUNCTION__); |
| 269 | |
| 270 | if (!priv->firm) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 271 | printk(KERN_ERR PREFIX "Error! firmware not loaded\n"); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 272 | return -EINVAL; |
| 273 | } |
| 274 | |
| 275 | if ((type == 0) && (*id == 0)) |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 276 | *id = V4L2_STD_PAL; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 277 | |
| 278 | /* Seek for exact match */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 279 | for (i = 0; i < priv->firm_size; i++) { |
| 280 | if ((type == priv->firm[i].type) && (*id == priv->firm[i].id)) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 281 | goto found; |
| 282 | } |
| 283 | |
| 284 | /* Seek for generic video standard match */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 285 | for (i = 0; i < priv->firm_size; i++) { |
| 286 | if ((type == priv->firm[i].type) && (*id & priv->firm[i].id)) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 287 | goto found; |
| 288 | } |
| 289 | |
| 290 | /*FIXME: Would make sense to seek for type "hint" match ? */ |
| 291 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 292 | tuner_info("Can't find firmware for type=%x, id=%lx\n", type, |
| 293 | (long int)*id); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 294 | return -EINVAL; |
| 295 | |
| 296 | found: |
| 297 | *id = priv->firm[i].id; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 298 | tuner_info("Found firmware for type=%x, id=%lx\n", type, (long int)*id); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 299 | |
| 300 | p = priv->firm[i].ptr; |
| 301 | |
| 302 | if (!p) { |
| 303 | printk(KERN_ERR PREFIX "Firmware pointer were freed!"); |
| 304 | return -EINVAL; |
| 305 | } |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 306 | endp = p + priv->firm[i].size; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 307 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 308 | while (p < endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 309 | __u16 size; |
| 310 | |
| 311 | /* Checks if there's enough bytes to read */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 312 | if (p + sizeof(size) > endp) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 313 | tuner_info("missing bytes\n"); |
| 314 | return -EINVAL; |
| 315 | } |
| 316 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 317 | size = le16_to_cpu(*(__u16 *) p); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 318 | p += sizeof(size); |
| 319 | |
| 320 | if (size == 0xffff) |
| 321 | return 0; |
| 322 | |
| 323 | if (!size) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 324 | /* Special callback command received */ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 325 | rc = priv->tuner_callback(priv->video_dev, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 326 | XC2028_TUNER_RESET, 0); |
| 327 | if (rc < 0) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 328 | tuner_info("Error at RESET code %d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 329 | (*p) & 0x7f); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 330 | return -EINVAL; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 331 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 332 | continue; |
| 333 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 334 | |
| 335 | /* Checks for a sleep command */ |
| 336 | if (size & 0x8000) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 337 | msleep(size & 0x7fff); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 338 | continue; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 339 | } |
| 340 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 341 | if ((size + p > endp)) { |
| 342 | tuner_info("missing bytes: need %d, have %d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 343 | size, (int)(endp - p)); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 344 | return -EINVAL; |
| 345 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 346 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 347 | buf[0] = *p; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 348 | p++; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 349 | size--; |
| 350 | |
| 351 | /* Sends message chunks */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 352 | while (size > 0) { |
| 353 | int len = (size < priv->max_len - 1) ? |
| 354 | size : priv->max_len - 1; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 355 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 356 | memcpy(buf + 1, p, len); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 357 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 358 | i2c_send(rc, priv, buf, len + 1); |
| 359 | if (rc < 0) { |
| 360 | tuner_info("%d returned from send\n", rc); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 361 | return -EINVAL; |
| 362 | } |
| 363 | |
| 364 | p += len; |
| 365 | size -= len; |
| 366 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 367 | } |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 368 | return -EINVAL; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 369 | } |
| 370 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 371 | static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 372 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 373 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 374 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 375 | int rc, version; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 376 | v4l2_std_id std0 = 0; |
| 377 | unsigned int type0 = 0, type = 0; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 378 | int change_digital_bandwidth; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 379 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 380 | tuner_info("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 381 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 382 | if (!priv->firm) { |
| 383 | if (!priv->ctrl.fname) |
| 384 | return -EINVAL; |
| 385 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 386 | rc = load_all_firmwares(fe); |
| 387 | if (rc < 0) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 388 | return rc; |
| 389 | } |
| 390 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 391 | tuner_info("I am in mode %u and I should switch to mode %i\n", |
| 392 | priv->mode, new_mode); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 393 | |
| 394 | /* first of all, determine whether we have switched the mode */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 395 | if (new_mode != priv->mode) { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 396 | priv->mode = new_mode; |
| 397 | priv->need_load_generic = 1; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 398 | } |
| 399 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 400 | change_digital_bandwidth = (priv->mode == T_DIGITAL_TV |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 401 | && bandwidth != priv->bandwidth) ? 1 : 0; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 402 | tuner_info("old bandwidth %u, new bandwidth %u\n", priv->bandwidth, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 403 | bandwidth); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 404 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 405 | if (priv->need_load_generic) { |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 406 | /* Reset is needed before loading firmware */ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 407 | rc = priv->tuner_callback(priv->video_dev, |
| 408 | XC2028_TUNER_RESET, 0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 409 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 410 | return rc; |
| 411 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 412 | type0 = BASE; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 413 | |
| 414 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| 415 | type0 |= MTS; |
| 416 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 417 | if (priv->bandwidth == 8) |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 418 | type0 |= F8MHZ; |
| 419 | |
| 420 | /* FIXME: How to load FM and FM|INPUT1 firmwares? */ |
| 421 | |
| 422 | rc = load_firmware(fe, type0, &std0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 423 | if (rc < 0) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 424 | tuner_info("Error %d while loading generic firmware\n", |
| 425 | rc); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 426 | return rc; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 427 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 428 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 429 | priv->need_load_generic = 0; |
| 430 | priv->firm_type = 0; |
| 431 | if (priv->mode == T_DIGITAL_TV) |
| 432 | change_digital_bandwidth = 1; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 433 | } |
| 434 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 435 | tuner_info("I should change bandwidth %u\n", change_digital_bandwidth); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 436 | |
| 437 | if (change_digital_bandwidth) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 438 | |
| 439 | /*FIXME: Should allow selecting between D2620 and D2633 */ |
| 440 | type |= D2620; |
| 441 | |
| 442 | /* FIXME: When should select a DTV78 firmware? |
| 443 | */ |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 444 | switch (bandwidth) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 445 | case BANDWIDTH_8_MHZ: |
| 446 | type |= DTV8; |
| 447 | break; |
| 448 | case BANDWIDTH_7_MHZ: |
| 449 | type |= DTV7; |
| 450 | break; |
| 451 | case BANDWIDTH_6_MHZ: |
| 452 | /* FIXME: Should allow select also ATSC */ |
| 453 | type |= DTV6_QAM; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 454 | break; |
| 455 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 456 | default: |
| 457 | tuner_info("error: bandwidth not supported.\n"); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 458 | }; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 459 | priv->bandwidth = bandwidth; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 460 | } |
| 461 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 462 | /* Load INIT1, if needed */ |
| 463 | tuner_info("Trying to load init1 firmware\n"); |
| 464 | type0 = BASE | INIT1 | priv->ctrl.type; |
| 465 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| 466 | type0 |= MTS; |
| 467 | |
| 468 | /* FIXME: Should handle errors - if INIT1 found */ |
| 469 | rc = load_firmware(fe, type0, &std0); |
| 470 | |
| 471 | /* FIXME: Should add support for FM radio |
| 472 | */ |
| 473 | |
| 474 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| 475 | type |= MTS; |
| 476 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 477 | tuner_info("firmware standard to load: %08lx\n", (unsigned long)std); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 478 | if (priv->firm_type & std) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 479 | tuner_info("no need to load a std-specific firmware.\n"); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 480 | return 0; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 481 | } |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 482 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 483 | rc = load_firmware(fe, type, &std); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 484 | if (rc < 0) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 485 | return rc; |
| 486 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 487 | version = xc2028_get_reg(priv, 0x4); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 488 | tuner_info("Firmware version is %d.%d\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 489 | (version >> 4) & 0x0f, (version) & 0x0f); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 490 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 491 | priv->firm_type = std; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 492 | |
| 493 | return 0; |
| 494 | } |
| 495 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 496 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 497 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 498 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 499 | int frq_lock, signal = 0; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 500 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 501 | tuner_info("%s called\n", __FUNCTION__); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 502 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 503 | mutex_lock(&priv->lock); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 504 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 505 | *strength = 0; |
| 506 | |
| 507 | frq_lock = xc2028_get_reg(priv, 0x2); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 508 | if (frq_lock <= 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 509 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 510 | |
| 511 | /* Frequency is locked. Return signal quality */ |
| 512 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 513 | signal = xc2028_get_reg(priv, 0x40); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 514 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 515 | if (signal <= 0) |
| 516 | signal = frq_lock; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 517 | |
| 518 | ret: |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 519 | mutex_unlock(&priv->lock); |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 520 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 521 | *strength = signal; |
| 522 | |
| 523 | return 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 524 | } |
| 525 | |
| 526 | #define DIV 15625 |
| 527 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 528 | static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ , |
| 529 | enum tuner_mode new_mode, |
| 530 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 531 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 532 | struct xc2028_data *priv = fe->tuner_priv; |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 533 | int rc = -EINVAL; |
| 534 | unsigned char buf[5]; |
| 535 | u32 div, offset = 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 536 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 537 | tuner_info("%s called\n", __FUNCTION__); |
| 538 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 539 | mutex_lock(&priv->lock); |
| 540 | |
Mauro Carvalho Chehab | d4e7668 | 2007-07-18 23:14:25 -0300 | [diff] [blame] | 541 | /* HACK: It seems that specific firmware need to be reloaded |
| 542 | when freq is changed */ |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 543 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 544 | priv->firm_type = 0; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 545 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 546 | /* Reset GPIO 1 */ |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 547 | rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 548 | if (rc < 0) |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 549 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 550 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 551 | msleep(10); |
| 552 | tuner_info("should set frequency %d kHz)\n", freq / 1000); |
| 553 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 554 | if (check_firmware(fe, new_mode, std, bandwidth) < 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 555 | goto ret; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 556 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 557 | if (new_mode == T_DIGITAL_TV) |
Mauro Carvalho Chehab | d4e7668 | 2007-07-18 23:14:25 -0300 | [diff] [blame] | 558 | offset = 2750000; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 559 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 560 | div = (freq - offset + DIV / 2) / DIV; |
Mauro Carvalho Chehab | 2e4160c | 2007-07-18 13:33:23 -0300 | [diff] [blame] | 561 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 562 | /* CMD= Set frequency */ |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 563 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 564 | if (priv->version < 0x0202) { |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 565 | send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
| 566 | } else { |
| 567 | send_seq(priv, {0x80, 0x02, 0x00, 0x00}); |
| 568 | } |
| 569 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 570 | rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 571 | if (rc < 0) |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 572 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 573 | |
| 574 | msleep(10); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 575 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 576 | buf[0] = 0xff & (div >> 24); |
| 577 | buf[1] = 0xff & (div >> 16); |
| 578 | buf[2] = 0xff & (div >> 8); |
| 579 | buf[3] = 0xff & (div); |
| 580 | buf[4] = 0; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 581 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 582 | i2c_send(rc, priv, buf, sizeof(buf)); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 583 | if (rc < 0) |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 584 | goto ret; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 585 | msleep(100); |
| 586 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 587 | priv->frequency = freq; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 588 | |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 589 | printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n", |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 590 | buf[1], buf[2], buf[3], buf[4], |
| 591 | freq / 1000000, (freq % 1000000) / 10000); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 592 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 593 | rc = 0; |
Mauro Carvalho Chehab | 3b20532 | 2007-09-27 18:27:03 -0300 | [diff] [blame] | 594 | |
| 595 | ret: |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 596 | mutex_unlock(&priv->lock); |
| 597 | |
| 598 | return rc; |
Mauro Carvalho Chehab | 6cb4587 | 2007-10-02 11:57:03 -0300 | [diff] [blame] | 599 | } |
| 600 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 601 | static int xc2028_set_tv_freq(struct dvb_frontend *fe, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 602 | struct analog_parameters *p) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 603 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 604 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 605 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 606 | tuner_info("%s called\n", __FUNCTION__); |
| 607 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 608 | return generic_set_tv_freq(fe, 62500l * p->frequency, T_ANALOG_TV, |
| 609 | p->std, BANDWIDTH_8_MHZ /* NOT USED */); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 610 | } |
| 611 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 612 | static int xc2028_set_params(struct dvb_frontend *fe, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 613 | struct dvb_frontend_parameters *p) |
| 614 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 615 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 616 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 617 | tuner_info("%s called\n", __FUNCTION__); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 618 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 619 | /* FIXME: Only OFDM implemented */ |
| 620 | if (fe->ops.info.type != FE_OFDM) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 621 | tuner_info("DTV type not implemented.\n"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 622 | return -EINVAL; |
| 623 | } |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 624 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 625 | return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 626 | 0 /* NOT USED */, |
| 627 | p->u.ofdm.bandwidth); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 628 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 629 | } |
| 630 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 631 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 632 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 633 | struct xc2028_data *priv = fe->tuner_priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 634 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 635 | tuner_info("%s called\n", __FUNCTION__); |
| 636 | |
| 637 | priv->count--; |
| 638 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 639 | if (!priv->count) { |
Mauro Carvalho Chehab | 1808a69 | 2007-10-29 17:38:59 -0300 | [diff] [blame] | 640 | list_del(&priv->xc2028_list); |
| 641 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 642 | kfree(priv->ctrl.fname); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 643 | |
| 644 | free_firmware(priv); |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 645 | kfree(priv); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 646 | } |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 647 | |
| 648 | return 0; |
| 649 | } |
| 650 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 651 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 652 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 653 | struct xc2028_data *priv = fe->tuner_priv; |
| 654 | |
| 655 | tuner_info("%s called\n", __FUNCTION__); |
| 656 | |
| 657 | *frequency = priv->frequency; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 658 | |
| 659 | return 0; |
| 660 | } |
| 661 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 662 | 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] | 663 | { |
| 664 | struct xc2028_data *priv = fe->tuner_priv; |
| 665 | struct xc2028_ctrl *p = priv_cfg; |
| 666 | |
| 667 | tuner_info("%s called\n", __FUNCTION__); |
| 668 | |
| 669 | priv->ctrl.type = p->type; |
| 670 | |
| 671 | if (p->fname) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 672 | kfree(priv->ctrl.fname); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 673 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 674 | priv->ctrl.fname = kmalloc(strlen(p->fname) + 1, GFP_KERNEL); |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 675 | if (!priv->ctrl.fname) |
| 676 | return -ENOMEM; |
| 677 | |
| 678 | free_firmware(priv); |
| 679 | strcpy(priv->ctrl.fname, p->fname); |
| 680 | } |
| 681 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 682 | if (p->max_len > 0) |
Mauro Carvalho Chehab | 352fae1 | 2007-11-01 16:56:26 -0300 | [diff] [blame] | 683 | priv->max_len = p->max_len; |
| 684 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 685 | tuner_info("%s OK\n", __FUNCTION__); |
| 686 | |
| 687 | return 0; |
| 688 | } |
| 689 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 690 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 691 | .info = { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 692 | .name = "Xceive XC3028", |
| 693 | .frequency_min = 42000000, |
| 694 | .frequency_max = 864000000, |
| 695 | .frequency_step = 50000, |
| 696 | }, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 697 | |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 698 | .set_config = xc2028_set_config, |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 699 | .set_analog_params = xc2028_set_tv_freq, |
| 700 | .release = xc2028_dvb_release, |
| 701 | .get_frequency = xc2028_get_frequency, |
| 702 | .get_rf_strength = xc2028_signal, |
| 703 | .set_params = xc2028_set_params, |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 704 | |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 705 | }; |
| 706 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 707 | int xc2028_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c_adap, |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 708 | u8 i2c_addr, struct device *dev, void *video_dev, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 709 | int (*tuner_callback) (void *dev, int command, int arg)) |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 710 | { |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 711 | struct xc2028_data *priv; |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 712 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 713 | printk(KERN_INFO PREFIX "Xcv2028/3028 init called!\n"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 714 | |
| 715 | if (NULL == dev) |
| 716 | return -ENODEV; |
| 717 | |
| 718 | if (NULL == video_dev) |
| 719 | return -ENODEV; |
| 720 | |
| 721 | if (!tuner_callback) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 722 | printk(KERN_ERR PREFIX "No tuner callback!\n"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 723 | return -EINVAL; |
| 724 | } |
| 725 | |
| 726 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 727 | if (priv->dev == dev) |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 728 | dev = NULL; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | if (dev) { |
| 732 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| 733 | if (priv == NULL) |
| 734 | return -ENOMEM; |
| 735 | |
| 736 | fe->tuner_priv = priv; |
| 737 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 738 | priv->bandwidth = BANDWIDTH_6_MHZ; |
| 739 | priv->need_load_generic = 1; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 740 | priv->mode = T_UNINITIALIZED; |
| 741 | priv->i2c_props.addr = i2c_addr; |
| 742 | priv->i2c_props.adap = i2c_adap; |
| 743 | priv->dev = dev; |
| 744 | priv->video_dev = video_dev; |
| 745 | priv->tuner_callback = tuner_callback; |
Mauro Carvalho Chehab | de3fe21 | 2007-10-24 09:22:08 -0300 | [diff] [blame] | 746 | priv->max_len = 13; |
| 747 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 748 | |
| 749 | mutex_init(&priv->lock); |
| 750 | |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 751 | list_add_tail(&priv->xc2028_list, &xc2028_list); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 752 | } |
Mauro Carvalho Chehab | 1808a69 | 2007-10-29 17:38:59 -0300 | [diff] [blame] | 753 | priv->count++; |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 754 | |
| 755 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, |
Mauro Carvalho Chehab | ab0b9fc | 2007-11-01 17:47:42 -0300 | [diff] [blame^] | 756 | sizeof(xc2028_dvb_tuner_ops)); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 757 | |
| 758 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 759 | |
| 760 | return 0; |
| 761 | } |
Michel Ludwig | 701672e | 2007-07-18 10:29:10 -0300 | [diff] [blame] | 762 | EXPORT_SYMBOL(xc2028_attach); |
| 763 | |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 764 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
Mauro Carvalho Chehab | 983d214 | 2007-10-29 23:44:18 -0300 | [diff] [blame] | 765 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
Mauro Carvalho Chehab | 215b95b | 2007-10-23 15:24:06 -0300 | [diff] [blame] | 766 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
| 767 | MODULE_LICENSE("GPL"); |