Mauro Carvalho Chehab | c2e591f | 2008-10-24 13:44:38 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for Sharp s921 driver |
| 3 | * |
| 4 | * Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de> |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | |
| 9 | #include <linux/kernel.h> |
| 10 | #include <linux/module.h> |
| 11 | #include <linux/delay.h> |
| 12 | #include "s921_core.h" |
| 13 | |
| 14 | static int s921_isdb_init(struct s921_isdb_t *dev); |
| 15 | static int s921_isdb_set_parameters(struct s921_isdb_t *dev, struct s921_isdb_t_transmission_mode_params *params); |
| 16 | static int s921_isdb_tune(struct s921_isdb_t *dev, struct s921_isdb_t_tune_params *params); |
| 17 | static int s921_isdb_get_status(struct s921_isdb_t *dev, void *data); |
| 18 | |
| 19 | static u8 init_table[]={ 0x01, 0x40, 0x02, 0x00, 0x03, 0x40, 0x04, 0x01, |
| 20 | 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08, 0x00, |
| 21 | 0x09, 0x00, 0x0a, 0x00, 0x0b, 0x5a, 0x0c, 0x00, |
| 22 | 0x0d, 0x00, 0x0f, 0x00, 0x13, 0x1b, 0x14, 0x80, |
| 23 | 0x15, 0x40, 0x17, 0x70, 0x18, 0x01, 0x19, 0x12, |
| 24 | 0x1a, 0x01, 0x1b, 0x12, 0x1c, 0xa0, 0x1d, 0x00, |
| 25 | 0x1e, 0x0a, 0x1f, 0x08, 0x20, 0x40, 0x21, 0xff, |
| 26 | 0x22, 0x4c, 0x23, 0x4e, 0x24, 0x4c, 0x25, 0x00, |
| 27 | 0x26, 0x00, 0x27, 0xf4, 0x28, 0x60, 0x29, 0x88, |
| 28 | 0x2a, 0x40, 0x2b, 0x40, 0x2c, 0xff, 0x2d, 0x00, |
| 29 | 0x2e, 0xff, 0x2f, 0x00, 0x30, 0x20, 0x31, 0x06, |
| 30 | 0x32, 0x0c, 0x34, 0x0f, 0x37, 0xfe, 0x38, 0x00, |
| 31 | 0x39, 0x63, 0x3a, 0x10, 0x3b, 0x10, 0x47, 0x00, |
| 32 | 0x49, 0xe5, 0x4b, 0x00, 0x50, 0xc0, 0x52, 0x20, |
| 33 | 0x54, 0x5a, 0x55, 0x5b, 0x56, 0x40, 0x57, 0x70, |
| 34 | 0x5c, 0x50, 0x5d, 0x00, 0x62, 0x17, 0x63, 0x2f, |
| 35 | 0x64, 0x6f, 0x68, 0x00, 0x69, 0x89, 0x6a, 0x00, |
| 36 | 0x6b, 0x00, 0x6c, 0x00, 0x6d, 0x00, 0x6e, 0x00, |
| 37 | 0x70, 0x00, 0x71, 0x00, 0x75, 0x00, 0x76, 0x30, |
| 38 | 0x77, 0x01, 0xaf, 0x00, 0xb0, 0xa0, 0xb2, 0x3d, |
| 39 | 0xb3, 0x25, 0xb4, 0x8b, 0xb5, 0x4b, 0xb6, 0x3f, |
| 40 | 0xb7, 0xff, 0xb8, 0xff, 0xb9, 0xfc, 0xba, 0x00, |
| 41 | 0xbb, 0x00, 0xbc, 0x00, 0xd0, 0x30, 0xe4, 0x84, |
| 42 | 0xf0, 0x48, 0xf1, 0x19, 0xf2, 0x5a, 0xf3, 0x8e, |
| 43 | 0xf4, 0x2d, 0xf5, 0x07, 0xf6, 0x5a, 0xf7, 0xba, |
| 44 | 0xf8, 0xd7 }; |
| 45 | |
| 46 | static u8 c_table[]={ 0x58, 0x8a, 0x7b, 0x59, 0x8c, 0x7b, 0x5a, 0x8e, 0x5b, |
| 47 | 0x5b, 0x90, 0x5b, 0x5c, 0x92, 0x5b, 0x5d, 0x94, 0x5b, |
| 48 | 0x5e, 0x96, 0x5b, 0x5f, 0x98, 0x3b, 0x60, 0x9a, 0x3b, |
| 49 | 0x61, 0x9c, 0x3b, 0x62, 0x9e, 0x3b, 0x63, 0xa0, 0x3b, |
| 50 | 0x64, 0xa2, 0x1b, 0x65, 0xa4, 0x1b, 0x66, 0xa6, 0x1b, |
| 51 | 0x67, 0xa8, 0x1b, 0x68, 0xaa, 0x1b, 0x69, 0xac, 0x1b, |
| 52 | 0x6a, 0xae, 0x1b, 0x6b, 0xb0, 0x1b, 0x6c, 0xb2, 0x1b, |
| 53 | 0x6d, 0xb4, 0xfb, 0x6e, 0xb6, 0xfb, 0x6f, 0xb8, 0xfb, |
| 54 | 0x70, 0xba, 0xfb, 0x71, 0xbc, 0xdb, 0x72, 0xbe, 0xdb, |
| 55 | 0x73, 0xc0, 0xdb, 0x74, 0xc2, 0xdb, 0x75, 0xc4, 0xdb, |
| 56 | 0x76, 0xc6, 0xdb, 0x77, 0xc8, 0xbb, 0x78, 0xca, 0xbb, |
| 57 | 0x79, 0xcc, 0xbb, 0x7a, 0xce, 0xbb, 0x7b, 0xd0, 0xbb, |
| 58 | 0x7c, 0xd2, 0xbb, 0x7d, 0xd4, 0xbb, 0x7e, 0xd6, 0xbb, |
| 59 | 0x7f, 0xd8, 0xbb, 0x80, 0xda, 0x9b, 0x81, 0xdc, 0x9b, |
| 60 | 0x82, 0xde, 0x9b, 0x83, 0xe0, 0x9b, 0x84, 0xe2, 0x9b, |
| 61 | 0x85, 0xe4, 0x9b, 0x86, 0xe6, 0x9b, 0x87, 0xe8, 0x9b, |
| 62 | 0x88, 0xea, 0x9b, 0x89, 0xec, 0x9b }; |
| 63 | |
| 64 | int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data) { |
| 65 | switch(cmd) { |
| 66 | case ISDB_T_CMD_INIT: |
| 67 | s921_isdb_init(dev); |
| 68 | break; |
| 69 | case ISDB_T_CMD_SET_PARAM: |
| 70 | s921_isdb_set_parameters(dev, data); |
| 71 | break; |
| 72 | case ISDB_T_CMD_TUNE: |
| 73 | s921_isdb_tune(dev, data); |
| 74 | break; |
| 75 | case ISDB_T_CMD_GET_STATUS: |
| 76 | s921_isdb_get_status(dev, data); |
| 77 | break; |
| 78 | default: |
| 79 | printk("unhandled command\n"); |
| 80 | return -EINVAL; |
| 81 | } |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | static int s921_isdb_init(struct s921_isdb_t *dev) { |
| 86 | unsigned int i; |
| 87 | unsigned int ret; |
| 88 | printk("isdb_init\n"); |
| 89 | for (i = 0; i < sizeof(init_table); i+=2) { |
| 90 | ret = dev->i2c_write(dev->priv_dev, init_table[i], init_table[i+1]); |
| 91 | if (ret != 0) { |
| 92 | printk("i2c write failed\n"); |
| 93 | return ret; |
| 94 | } |
| 95 | } |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | static int s921_isdb_set_parameters(struct s921_isdb_t *dev, struct s921_isdb_t_transmission_mode_params *params) { |
| 100 | |
| 101 | int ret; |
| 102 | /* auto is sufficient for now, lateron this should be reflected in an extra interface */ |
| 103 | |
| 104 | |
| 105 | |
| 106 | ret = dev->i2c_write(dev->priv_dev, 0xb0, 0xa0); //mod_b2); |
| 107 | ret = dev->i2c_write(dev->priv_dev, 0xb2, 0x3d); //mod_b2); |
| 108 | |
| 109 | if (ret < 0) |
| 110 | return -EINVAL; |
| 111 | |
| 112 | ret = dev->i2c_write(dev->priv_dev, 0xb3, 0x25); //mod_b3); |
| 113 | if (ret < 0) |
| 114 | return -EINVAL; |
| 115 | |
| 116 | ret = dev->i2c_write(dev->priv_dev, 0xb4, 0x8b); //mod_b4); |
| 117 | if (ret < 0) |
| 118 | return -EINVAL; |
| 119 | |
| 120 | ret = dev->i2c_write(dev->priv_dev, 0xb5, 0x4b); //mod_b5); |
| 121 | if (ret < 0) |
| 122 | return -EINVAL; |
| 123 | |
| 124 | ret = dev->i2c_write(dev->priv_dev, 0xb6, 0x3f); //mod_b6); |
| 125 | if (ret < 0) |
| 126 | return -EINVAL; |
| 127 | |
| 128 | ret = dev->i2c_write(dev->priv_dev, 0xb7, 0x3f); //mod_b7); |
| 129 | if (ret < 0) |
| 130 | return -EINVAL; |
| 131 | |
| 132 | return E_OK; |
| 133 | } |
| 134 | |
| 135 | static int s921_isdb_tune(struct s921_isdb_t *dev, struct s921_isdb_t_tune_params *params) { |
| 136 | |
| 137 | int ret; |
| 138 | int index; |
| 139 | |
| 140 | index = (params->frequency - 473143000)/6000000; |
| 141 | |
| 142 | if (index > 48) { |
| 143 | return -EINVAL; |
| 144 | } |
| 145 | |
| 146 | dev->i2c_write(dev->priv_dev, 0x47, 0x60); |
| 147 | |
| 148 | ret = dev->i2c_write(dev->priv_dev, 0x68, 0x00); |
| 149 | if (ret < 0) |
| 150 | return -EINVAL; |
| 151 | |
| 152 | ret = dev->i2c_write(dev->priv_dev, 0x69, 0x89); |
| 153 | if (ret < 0) |
| 154 | return -EINVAL; |
| 155 | |
| 156 | ret = dev->i2c_write(dev->priv_dev, 0xf0, 0x48); |
| 157 | if (ret < 0) |
| 158 | return -EINVAL; |
| 159 | |
| 160 | ret = dev->i2c_write(dev->priv_dev, 0xf1, 0x19); |
| 161 | if (ret < 0) |
| 162 | return -EINVAL; |
| 163 | |
| 164 | ret = dev->i2c_write(dev->priv_dev, 0xf2, c_table[index*3]); |
| 165 | if (ret < 0) |
| 166 | return -EINVAL; |
| 167 | |
| 168 | ret = dev->i2c_write(dev->priv_dev, 0xf3, c_table[index*3+1]); |
| 169 | if (ret < 0) |
| 170 | return -EINVAL; |
| 171 | |
| 172 | ret = dev->i2c_write(dev->priv_dev, 0xf4, c_table[index*3+2]); |
| 173 | if (ret < 0) |
| 174 | return -EINVAL; |
| 175 | |
| 176 | ret = dev->i2c_write(dev->priv_dev, 0xf5, 0xae); |
| 177 | if (ret < 0) |
| 178 | return -EINVAL; |
| 179 | |
| 180 | ret = dev->i2c_write(dev->priv_dev, 0xf6, 0xb7); |
| 181 | if (ret < 0) |
| 182 | return -EINVAL; |
| 183 | |
| 184 | ret = dev->i2c_write(dev->priv_dev, 0xf7, 0xba); |
| 185 | if (ret < 0) |
| 186 | return -EINVAL; |
| 187 | |
| 188 | ret = dev->i2c_write(dev->priv_dev, 0xf8, 0xd7); |
| 189 | if (ret < 0) |
| 190 | return -EINVAL; |
| 191 | |
| 192 | ret = dev->i2c_write(dev->priv_dev, 0x68, 0x0a); |
| 193 | if (ret < 0) |
| 194 | return -EINVAL; |
| 195 | |
| 196 | ret = dev->i2c_write(dev->priv_dev, 0x69, 0x09); |
| 197 | if (ret < 0) |
| 198 | return -EINVAL; |
| 199 | |
| 200 | dev->i2c_write(dev->priv_dev, 0x01, 0x40); |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | static int s921_isdb_get_status(struct s921_isdb_t *dev, void *data) { |
| 205 | unsigned int *ret = (unsigned int*)data; |
| 206 | u8 ifagc_dt; |
| 207 | u8 rfagc_dt; |
| 208 | |
| 209 | mdelay(10); |
| 210 | ifagc_dt = dev->i2c_read(dev->priv_dev, 0x81); |
| 211 | rfagc_dt = dev->i2c_read(dev->priv_dev, 0x82); |
| 212 | if (rfagc_dt == 0x40) { |
| 213 | *ret = 1; |
| 214 | } |
| 215 | return 0; |
| 216 | } |