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12#include <linux/module.h>
13#include <linux/stat.h>
14#include <linux/init.h>
15#include <linux/kernel.h>
16#include <linux/delay.h>
17#include <linux/interrupt.h>
18#include <linux/platform_device.h>
19#include <linux/apm-emulation.h>
20
21#include <asm/irq.h>
22#include <asm/mach-types.h>
23#include <asm/hardware.h>
24#include <asm/hardware/scoop.h>
25
26#include <asm/arch/sharpsl.h>
27#include <asm/arch/spitz.h>
28#include <asm/arch/pxa-regs.h>
29#include "sharpsl.h"
30
31#define SHARPSL_CHARGE_ON_VOLT 0x99
32#define SHARPSL_CHARGE_ON_TEMP 0xe0
33#define SHARPSL_CHARGE_ON_ACIN_HIGH 0x9b
34#define SHARPSL_CHARGE_ON_ACIN_LOW 0x34
35#define SHARPSL_FATAL_ACIN_VOLT 182
36#define SHARPSL_FATAL_NOACIN_VOLT 170
37
38static int spitz_last_ac_status;
39
40static void spitz_charger_init(void)
41{
42 pxa_gpio_mode(SPITZ_GPIO_KEY_INT | GPIO_IN);
43 pxa_gpio_mode(SPITZ_GPIO_SYNC | GPIO_IN);
44 sharpsl_pm_pxa_init();
45}
46
47static void spitz_measure_temp(int on)
48{
49 if (on)
50 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_ADC_TEMP_ON);
51 else
52 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_ADC_TEMP_ON);
53}
54
55static void spitz_charge(int on)
56{
57 if (on) {
58 if (sharpsl_pm.flags & SHARPSL_SUSPENDED) {
59 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B);
60 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON);
61 } else {
62 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B);
63 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON);
64 }
65 } else {
66 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B);
67 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON);
68 }
69}
70
71static void spitz_discharge(int on)
72{
73 if (on)
74 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_A);
75 else
76 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_A);
77}
78
79
80
81static void spitz_discharge1(int on)
82{
83 if (on)
84 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
85 else
86 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
87}
88
89static void spitz_presuspend(void)
90{
91 spitz_last_ac_status = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
92
93
94 PGSR0 = 0x00144018;
95 PGSR1 = 0x00EF0000;
96 if (machine_is_akita()) {
97 PGSR2 = 0x2121C000;
98 PGSR3 = 0x00600400;
99 } else {
100 PGSR2 = 0x0121C000;
101 PGSR3 = 0x00600000;
102 }
103
104 PGSR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
105 PGSR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
106 PGSR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
107 PGSR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
108 PGSR2 |= GPIO_bit(SPITZ_GPIO_KEY_STROBE0);
109
110 pxa_gpio_mode(GPIO18_RDY|GPIO_OUT | GPIO_DFLT_HIGH);
111
112 PRER = GPIO_bit(SPITZ_GPIO_KEY_INT);
113 PFER = GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET);
114 PWER = GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET) | PWER_RTC;
115 PKWR = GPIO_bit(SPITZ_GPIO_SYNC) | GPIO_bit(SPITZ_GPIO_KEY_INT) | GPIO_bit(SPITZ_GPIO_RESET);
116 PKSR = 0xffffffff;
117
118
119 PSLR |= PSLR_SL_ROD;
120
121
122 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
123
124
125 PCFR = PCFR_GPR_EN | PCFR_OPDE;
126}
127
128static void spitz_postsuspend(void)
129{
130 pxa_gpio_mode(GPIO18_RDY_MD);
131 pxa_gpio_mode(10 | GPIO_IN);
132}
133
134static int spitz_should_wakeup(unsigned int resume_on_alarm)
135{
136 int is_resume = 0;
137 int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
138
139 if (spitz_last_ac_status != acin) {
140 if (acin) {
141
142 sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
143 dev_dbg(sharpsl_pm.dev, "AC Inserted\n");
144 } else {
145
146 dev_dbg(sharpsl_pm.dev, "AC Removed\n");
147 sharpsl_pm_led(SHARPSL_LED_OFF);
148 sharpsl_pm.machinfo->charge(0);
149 sharpsl_pm.charge_mode = CHRG_OFF;
150 }
151 spitz_last_ac_status = acin;
152
153 return 0;
154 }
155
156 if (PEDR & GPIO_bit(SPITZ_GPIO_KEY_INT))
157 is_resume |= GPIO_bit(SPITZ_GPIO_KEY_INT);
158
159 if (PKSR & GPIO_bit(SPITZ_GPIO_SYNC))
160 is_resume |= GPIO_bit(SPITZ_GPIO_SYNC);
161
162 if (resume_on_alarm && (PEDR & PWER_RTC))
163 is_resume |= PWER_RTC;
164
165 dev_dbg(sharpsl_pm.dev, "is_resume: %x\n",is_resume);
166 return is_resume;
167}
168
169static unsigned long spitz_charger_wakeup(void)
170{
171 return (~GPLR0 & GPIO_bit(SPITZ_GPIO_KEY_INT)) | (GPLR0 & GPIO_bit(SPITZ_GPIO_SYNC));
172}
173
174unsigned long spitzpm_read_devdata(int type)
175{
176 switch(type) {
177 case SHARPSL_STATUS_ACIN:
178 return (((~GPLR(SPITZ_GPIO_AC_IN)) & GPIO_bit(SPITZ_GPIO_AC_IN)) != 0);
179 case SHARPSL_STATUS_LOCK:
180 return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock);
181 case SHARPSL_STATUS_CHRGFULL:
182 return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull);
183 case SHARPSL_STATUS_FATAL:
184 return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_fatal);
185 case SHARPSL_ACIN_VOLT:
186 return sharpsl_pm_pxa_read_max1111(MAX1111_ACIN_VOLT);
187 case SHARPSL_BATT_TEMP:
188 return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_TEMP);
189 case SHARPSL_BATT_VOLT:
190 default:
191 return sharpsl_pm_pxa_read_max1111(MAX1111_BATT_VOLT);
192 }
193}
194
195struct sharpsl_charger_machinfo spitz_pm_machinfo = {
196 .init = spitz_charger_init,
197 .exit = sharpsl_pm_pxa_remove,
198 .gpio_batlock = SPITZ_GPIO_BAT_COVER,
199 .gpio_acin = SPITZ_GPIO_AC_IN,
200 .gpio_batfull = SPITZ_GPIO_CHRG_FULL,
201 .batfull_irq = 1,
202 .gpio_fatal = SPITZ_GPIO_FATAL_BAT,
203 .discharge = spitz_discharge,
204 .discharge1 = spitz_discharge1,
205 .charge = spitz_charge,
206 .measure_temp = spitz_measure_temp,
207 .presuspend = spitz_presuspend,
208 .postsuspend = spitz_postsuspend,
209 .read_devdata = spitzpm_read_devdata,
210 .charger_wakeup = spitz_charger_wakeup,
211 .should_wakeup = spitz_should_wakeup,
212 .backlight_limit = corgibl_limit_intensity,
213 .charge_on_volt = SHARPSL_CHARGE_ON_VOLT,
214 .charge_on_temp = SHARPSL_CHARGE_ON_TEMP,
215 .charge_acin_high = SHARPSL_CHARGE_ON_ACIN_HIGH,
216 .charge_acin_low = SHARPSL_CHARGE_ON_ACIN_LOW,
217 .fatal_acin_volt = SHARPSL_FATAL_ACIN_VOLT,
218 .fatal_noacin_volt= SHARPSL_FATAL_NOACIN_VOLT,
219 .bat_levels = 40,
220 .bat_levels_noac = spitz_battery_levels_noac,
221 .bat_levels_acin = spitz_battery_levels_acin,
222 .status_high_acin = 188,
223 .status_low_acin = 178,
224 .status_high_noac = 185,
225 .status_low_noac = 175,
226};
227
228static struct platform_device *spitzpm_device;
229
230static int __devinit spitzpm_init(void)
231{
232 int ret;
233
234 spitzpm_device = platform_device_alloc("sharpsl-pm", -1);
235 if (!spitzpm_device)
236 return -ENOMEM;
237
238 spitzpm_device->dev.platform_data = &spitz_pm_machinfo;
239 ret = platform_device_add(spitzpm_device);
240
241 if (ret)
242 platform_device_put(spitzpm_device);
243
244 return ret;
245}
246
247static void spitzpm_exit(void)
248{
249 platform_device_unregister(spitzpm_device);
250}
251
252module_init(spitzpm_init);
253module_exit(spitzpm_exit);
254
