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17#include <linux/etherdevice.h>
18#include <linux/init.h>
19#include <linux/kernel.h>
20#include <linux/module.h>
21#include <linux/platform_device.h>
22
23#include "rt2x00.h"
24#include "rt2x00mmio.h"
25#include "rt2x00soc.h"
26#include "rt2800.h"
27#include "rt2800lib.h"
28#include "rt2800mmio.h"
29
30
31static bool modparam_nohwcrypt;
32module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444);
33MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
34
35static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
36{
37 return modparam_nohwcrypt;
38}
39
40static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev)
41{
42 u32 reg;
43
44 rt2800_disable_radio(rt2x00dev);
45 rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
46
47 reg = 0;
48 if (rt2x00_rt(rt2x00dev, RT3883))
49 rt2x00_set_field32(®, TX_PIN_CFG_RFTR_EN, 1);
50
51 rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, reg);
52}
53
54static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,
55 enum dev_state state)
56{
57 int retval = 0;
58
59 switch (state) {
60 case STATE_RADIO_ON:
61 retval = rt2800mmio_enable_radio(rt2x00dev);
62 break;
63
64 case STATE_RADIO_OFF:
65 rt2800soc_disable_radio(rt2x00dev);
66 break;
67
68 case STATE_RADIO_IRQ_ON:
69 case STATE_RADIO_IRQ_OFF:
70 rt2800mmio_toggle_irq(rt2x00dev, state);
71 break;
72
73 case STATE_DEEP_SLEEP:
74 case STATE_SLEEP:
75 case STATE_STANDBY:
76 case STATE_AWAKE:
77
78 retval = 0;
79 break;
80
81 default:
82 retval = -ENOTSUPP;
83 break;
84 }
85
86 if (unlikely(retval))
87 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
88 state, retval);
89
90 return retval;
91}
92
93static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev)
94{
95 void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
96
97 if (!base_addr)
98 return -ENOMEM;
99
100 memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
101
102 iounmap(base_addr);
103 return 0;
104}
105
106
107static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev)
108{
109 WARN_ON_ONCE(1);
110 return NULL;
111}
112
113static int rt2800soc_load_firmware(struct rt2x00_dev *rt2x00dev,
114 const u8 *data, const size_t len)
115{
116 WARN_ON_ONCE(1);
117 return 0;
118}
119
120static int rt2800soc_check_firmware(struct rt2x00_dev *rt2x00dev,
121 const u8 *data, const size_t len)
122{
123 WARN_ON_ONCE(1);
124 return 0;
125}
126
127static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev,
128 const u8 *data, const size_t len)
129{
130 WARN_ON_ONCE(1);
131 return 0;
132}
133
134static const struct ieee80211_ops rt2800soc_mac80211_ops = {
135 .tx = rt2x00mac_tx,
136 .start = rt2x00mac_start,
137 .stop = rt2x00mac_stop,
138 .add_interface = rt2x00mac_add_interface,
139 .remove_interface = rt2x00mac_remove_interface,
140 .config = rt2x00mac_config,
141 .configure_filter = rt2x00mac_configure_filter,
142 .set_key = rt2x00mac_set_key,
143 .sw_scan_start = rt2x00mac_sw_scan_start,
144 .sw_scan_complete = rt2x00mac_sw_scan_complete,
145 .get_stats = rt2x00mac_get_stats,
146 .get_key_seq = rt2800_get_key_seq,
147 .set_rts_threshold = rt2800_set_rts_threshold,
148 .sta_add = rt2800_sta_add,
149 .sta_remove = rt2800_sta_remove,
150 .bss_info_changed = rt2x00mac_bss_info_changed,
151 .conf_tx = rt2800_conf_tx,
152 .get_tsf = rt2800_get_tsf,
153 .rfkill_poll = rt2x00mac_rfkill_poll,
154 .ampdu_action = rt2800_ampdu_action,
155 .flush = rt2x00mac_flush,
156 .get_survey = rt2800_get_survey,
157 .get_ringparam = rt2x00mac_get_ringparam,
158 .tx_frames_pending = rt2x00mac_tx_frames_pending,
159};
160
161static const struct rt2800_ops rt2800soc_rt2800_ops = {
162 .register_read = rt2x00mmio_register_read,
163 .register_read_lock = rt2x00mmio_register_read,
164 .register_write = rt2x00mmio_register_write,
165 .register_write_lock = rt2x00mmio_register_write,
166 .register_multiread = rt2x00mmio_register_multiread,
167 .register_multiwrite = rt2x00mmio_register_multiwrite,
168 .regbusy_read = rt2x00mmio_regbusy_read,
169 .read_eeprom = rt2800soc_read_eeprom,
170 .hwcrypt_disabled = rt2800soc_hwcrypt_disabled,
171 .drv_write_firmware = rt2800soc_write_firmware,
172 .drv_init_registers = rt2800mmio_init_registers,
173 .drv_get_txwi = rt2800mmio_get_txwi,
174 .drv_get_dma_done = rt2800mmio_get_dma_done,
175};
176
177static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
178 .irq_handler = rt2800mmio_interrupt,
179 .txstatus_tasklet = rt2800mmio_txstatus_tasklet,
180 .pretbtt_tasklet = rt2800mmio_pretbtt_tasklet,
181 .tbtt_tasklet = rt2800mmio_tbtt_tasklet,
182 .rxdone_tasklet = rt2800mmio_rxdone_tasklet,
183 .autowake_tasklet = rt2800mmio_autowake_tasklet,
184 .probe_hw = rt2800mmio_probe_hw,
185 .get_firmware_name = rt2800soc_get_firmware_name,
186 .check_firmware = rt2800soc_check_firmware,
187 .load_firmware = rt2800soc_load_firmware,
188 .initialize = rt2x00mmio_initialize,
189 .uninitialize = rt2x00mmio_uninitialize,
190 .get_entry_state = rt2800mmio_get_entry_state,
191 .clear_entry = rt2800mmio_clear_entry,
192 .set_device_state = rt2800soc_set_device_state,
193 .rfkill_poll = rt2800_rfkill_poll,
194 .link_stats = rt2800_link_stats,
195 .reset_tuner = rt2800_reset_tuner,
196 .link_tuner = rt2800_link_tuner,
197 .gain_calibration = rt2800_gain_calibration,
198 .vco_calibration = rt2800_vco_calibration,
199 .watchdog = rt2800_watchdog,
200 .start_queue = rt2800mmio_start_queue,
201 .kick_queue = rt2800mmio_kick_queue,
202 .stop_queue = rt2800mmio_stop_queue,
203 .flush_queue = rt2800mmio_flush_queue,
204 .write_tx_desc = rt2800mmio_write_tx_desc,
205 .write_tx_data = rt2800_write_tx_data,
206 .write_beacon = rt2800_write_beacon,
207 .clear_beacon = rt2800_clear_beacon,
208 .fill_rxdone = rt2800mmio_fill_rxdone,
209 .config_shared_key = rt2800_config_shared_key,
210 .config_pairwise_key = rt2800_config_pairwise_key,
211 .config_filter = rt2800_config_filter,
212 .config_intf = rt2800_config_intf,
213 .config_erp = rt2800_config_erp,
214 .config_ant = rt2800_config_ant,
215 .config = rt2800_config,
216 .pre_reset_hw = rt2800_pre_reset_hw,
217};
218
219static const struct rt2x00_ops rt2800soc_ops = {
220 .name = KBUILD_MODNAME,
221 .drv_data_size = sizeof(struct rt2800_drv_data),
222 .max_ap_intf = 8,
223 .eeprom_size = EEPROM_SIZE,
224 .rf_size = RF_SIZE,
225 .tx_queues = NUM_TX_QUEUES,
226 .queue_init = rt2800mmio_queue_init,
227 .lib = &rt2800soc_rt2x00_ops,
228 .drv = &rt2800soc_rt2800_ops,
229 .hw = &rt2800soc_mac80211_ops,
230#ifdef CONFIG_RT2X00_LIB_DEBUGFS
231 .debugfs = &rt2800_rt2x00debug,
232#endif
233};
234
235static int rt2800soc_probe(struct platform_device *pdev)
236{
237 return rt2x00soc_probe(pdev, &rt2800soc_ops);
238}
239
240static struct platform_driver rt2800soc_driver = {
241 .driver = {
242 .name = "rt2800_wmac",
243 .mod_name = KBUILD_MODNAME,
244 },
245 .probe = rt2800soc_probe,
246 .remove = rt2x00soc_remove,
247 .suspend = rt2x00soc_suspend,
248 .resume = rt2x00soc_resume,
249};
250
251module_platform_driver(rt2800soc_driver);
252
253MODULE_AUTHOR(DRV_PROJECT);
254MODULE_VERSION(DRV_VERSION);
255MODULE_DESCRIPTION("Ralink WiSoC Wireless LAN driver.");
256MODULE_LICENSE("GPL");
257
