summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/rtlwifi/rtl8188ee/pwrseqcmd.c
blob: a9cfa13be3a8886765c00a0179b2f47e9137273e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/******************************************************************************
 *
 * Copyright(c) 2009-2013  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/

#include "pwrseq.h"


/*	Description:
 *		This routine deal with the Power Configuration CMDs
 *		 parsing for RTL8723/RTL8188E Series IC.
 *	Assumption:
 *		We should follow specific format which was released from HW SD.
 *
 *	2011.07.07, added by Roger.
 */

bool rtl88_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
				u8 fab_version, u8 interface_type,
				struct wlan_pwr_cfg pwrcfgcmd[])
{
	struct wlan_pwr_cfg cmd = {0};
	bool polling_bit = false;
	u32 ary_idx = 0;
	u8 val = 0;
	u32 offset = 0;
	u32 polling_count = 0;
	u32 max_polling_cnt = 5000;

	do {
		cmd = pwrcfgcmd[ary_idx];
		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
			 "rtl88_hal_pwrseqcmdparsing(): offset(%#x), cut_msk(%#x), fab_msk(%#x),"
			 "interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), val(%#x)\n",
			 GET_PWR_CFG_OFFSET(cmd),
			 GET_PWR_CFG_CUT_MASK(cmd),
			 GET_PWR_CFG_FAB_MASK(cmd),
			 GET_PWR_CFG_INTF_MASK(cmd),
			 GET_PWR_CFG_BASE(cmd),
			 GET_PWR_CFG_CMD(cmd),
			 GET_PWR_CFG_MASK(cmd),
			 GET_PWR_CFG_VALUE(cmd));

		if ((GET_PWR_CFG_FAB_MASK(cmd) & fab_version) &&
		    (GET_PWR_CFG_CUT_MASK(cmd) & cut_version) &&
		    (GET_PWR_CFG_INTF_MASK(cmd) & interface_type)) {
			switch (GET_PWR_CFG_CMD(cmd)) {
			case PWR_CMD_READ:
				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
					 "rtl88_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
				break;
			case PWR_CMD_WRITE: {
				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
					 "rtl88_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
				offset = GET_PWR_CFG_OFFSET(cmd);

					/*Read the val from system register*/
					val = rtl_read_byte(rtlpriv, offset);
					val &= (~(GET_PWR_CFG_MASK(cmd)));
					val |= (GET_PWR_CFG_VALUE(cmd) &
						GET_PWR_CFG_MASK(cmd));

					/*Write the val back to sytem register*/
					rtl_write_byte(rtlpriv, offset, val);
				}
				break;
			case PWR_CMD_POLLING:
				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
					 "rtl88_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
				polling_bit = false;
				offset = GET_PWR_CFG_OFFSET(cmd);

				do {
					val = rtl_read_byte(rtlpriv, offset);

					val = val & GET_PWR_CFG_MASK(cmd);
					if (val == (GET_PWR_CFG_VALUE(cmd) &
						    GET_PWR_CFG_MASK(cmd)))
						polling_bit = true;
					else
						udelay(10);

					if (polling_count++ > max_polling_cnt) {
						RT_TRACE(rtlpriv, COMP_INIT,
							 DBG_LOUD,
							 "polling fail in pwrseqcmd\n");
						return false;
					}
				} while (!polling_bit);

				break;
			case PWR_CMD_DELAY:
				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
					 "rtl88_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
				if (GET_PWR_CFG_VALUE(cmd) == PWRSEQ_DELAY_US)
					udelay(GET_PWR_CFG_OFFSET(cmd));
				else
					mdelay(GET_PWR_CFG_OFFSET(cmd));
				break;
			case PWR_CMD_END:
				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
					 "rtl88_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
				return true;
				break;
			default:
				RT_ASSERT(false,
					  "rtl88_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
				break;
			}
		}

		ary_idx++;
	} while (1);

	return true;
}
OpenPOWER on IntegriCloud