2 * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
3 * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/slab.h>
25 #include <linux/videodev2.h>
29 MODULE_DESCRIPTION("Softlogic 6x10 MP4/H.264 Encoder/Decoder V4L2/ALSA Driver");
30 MODULE_AUTHOR("Ben Collins <bcollins@bluecherry.net>");
31 MODULE_VERSION(SOLO6X10_VERSION
);
32 MODULE_LICENSE("GPL");
34 void solo_irq_on(struct solo_dev
*solo_dev
, u32 mask
)
36 solo_dev
->irq_mask
|= mask
;
37 solo_reg_write(solo_dev
, SOLO_IRQ_ENABLE
, solo_dev
->irq_mask
);
40 void solo_irq_off(struct solo_dev
*solo_dev
, u32 mask
)
42 solo_dev
->irq_mask
&= ~mask
;
43 solo_reg_write(solo_dev
, SOLO_IRQ_ENABLE
, solo_dev
->irq_mask
);
46 /* XXX We should check the return value of the sub-device ISR's */
47 static irqreturn_t
solo_isr(int irq
, void *data
)
49 struct solo_dev
*solo_dev
= data
;
53 status
= solo_reg_read(solo_dev
, SOLO_IRQ_STAT
);
57 if (status
& ~solo_dev
->irq_mask
) {
58 solo_reg_write(solo_dev
, SOLO_IRQ_STAT
,
59 status
& ~solo_dev
->irq_mask
);
60 status
&= solo_dev
->irq_mask
;
63 if (status
& SOLO_IRQ_PCI_ERR
) {
64 u32 err
= solo_reg_read(solo_dev
, SOLO_PCI_ERR
);
65 solo_p2m_error_isr(solo_dev
, err
);
66 solo_reg_write(solo_dev
, SOLO_IRQ_STAT
, SOLO_IRQ_PCI_ERR
);
69 for (i
= 0; i
< SOLO_NR_P2M
; i
++)
70 if (status
& SOLO_IRQ_P2M(i
))
71 solo_p2m_isr(solo_dev
, i
);
73 if (status
& SOLO_IRQ_IIC
)
74 solo_i2c_isr(solo_dev
);
76 if (status
& SOLO_IRQ_VIDEO_IN
)
77 solo_video_in_isr(solo_dev
);
79 /* Call this first so enc gets detected flag set */
80 if (status
& SOLO_IRQ_MOTION
)
81 solo_motion_isr(solo_dev
);
83 if (status
& SOLO_IRQ_ENCODER
)
84 solo_enc_v4l2_isr(solo_dev
);
86 if (status
& SOLO_IRQ_G723
)
87 solo_g723_isr(solo_dev
);
92 static void free_solo_dev(struct solo_dev
*solo_dev
)
99 pdev
= solo_dev
->pdev
;
101 /* If we never initialized the PCI device, then nothing else
102 * below here needs cleanup */
108 /* Bring down the sub-devices first */
109 solo_g723_exit(solo_dev
);
110 solo_enc_v4l2_exit(solo_dev
);
111 solo_enc_exit(solo_dev
);
112 solo_v4l2_exit(solo_dev
);
113 solo_disp_exit(solo_dev
);
114 solo_gpio_exit(solo_dev
);
115 solo_p2m_exit(solo_dev
);
116 solo_i2c_exit(solo_dev
);
118 /* Now cleanup the PCI device */
119 if (solo_dev
->reg_base
) {
120 solo_irq_off(solo_dev
, ~0);
121 pci_iounmap(pdev
, solo_dev
->reg_base
);
122 free_irq(pdev
->irq
, solo_dev
);
125 pci_release_regions(pdev
);
126 pci_disable_device(pdev
);
127 pci_set_drvdata(pdev
, NULL
);
132 static int __devinit
solo_pci_probe(struct pci_dev
*pdev
,
133 const struct pci_device_id
*id
)
135 struct solo_dev
*solo_dev
;
141 solo_dev
= kzalloc(sizeof(*solo_dev
), GFP_KERNEL
);
142 if (solo_dev
== NULL
)
145 solo_dev
->pdev
= pdev
;
146 spin_lock_init(&solo_dev
->reg_io_lock
);
147 pci_set_drvdata(pdev
, solo_dev
);
149 ret
= pci_enable_device(pdev
);
153 pci_set_master(pdev
);
155 ret
= pci_request_regions(pdev
, SOLO6X10_NAME
);
159 solo_dev
->reg_base
= pci_ioremap_bar(pdev
, 0);
160 if (solo_dev
->reg_base
== NULL
) {
165 chip_id
= solo_reg_read(solo_dev
, SOLO_CHIP_OPTION
) &
169 solo_dev
->nr_chans
= 16;
170 solo_dev
->nr_ext
= 5;
173 solo_dev
->nr_chans
= 8;
174 solo_dev
->nr_ext
= 2;
177 dev_warn(&pdev
->dev
, "Invalid chip_id 0x%02x, "
178 "defaulting to 4 channels\n",
181 solo_dev
->nr_chans
= 4;
182 solo_dev
->nr_ext
= 1;
185 solo_dev
->flags
= id
->driver_data
;
187 /* Disable all interrupts to start */
188 solo_irq_off(solo_dev
, ~0);
190 reg
= SOLO_SYS_CFG_SDRAM64BIT
;
191 /* Initial global settings */
192 if (!(solo_dev
->flags
& FLAGS_6110
))
193 reg
|= SOLO6010_SYS_CFG_INPUTDIV(25) |
194 SOLO6010_SYS_CFG_FEEDBACKDIV((SOLO_CLOCK_MHZ
* 2) - 2) |
195 SOLO6010_SYS_CFG_OUTDIV(3);
196 solo_reg_write(solo_dev
, SOLO_SYS_CFG
, reg
);
198 if (solo_dev
->flags
& FLAGS_6110
) {
199 u32 sys_clock_MHz
= SOLO_CLOCK_MHZ
;
203 if (sys_clock_MHz
< 125) {
205 pll_DIVF
= (sys_clock_MHz
* 4) / 3;
208 pll_DIVF
= (sys_clock_MHz
* 2) / 3;
211 solo_reg_write(solo_dev
, SOLO6110_PLL_CONFIG
,
212 SOLO6110_PLL_RANGE_5_10MHZ
|
213 SOLO6110_PLL_DIVR(9) |
214 SOLO6110_PLL_DIVQ_EXP(pll_DIVQ
) |
215 SOLO6110_PLL_DIVF(pll_DIVF
) | SOLO6110_PLL_FSEN
);
216 mdelay(1); // PLL Locking time (1ms)
218 solo_reg_write(solo_dev
, SOLO_DMA_CTRL1
, 3 << 8); /* ? */
220 solo_reg_write(solo_dev
, SOLO_DMA_CTRL1
, 1 << 8); /* ? */
222 solo_reg_write(solo_dev
, SOLO_TIMER_CLOCK_NUM
, SOLO_CLOCK_MHZ
- 1);
224 /* PLL locking time of 1ms */
227 ret
= request_irq(pdev
->irq
, solo_isr
, IRQF_SHARED
, SOLO6X10_NAME
,
232 /* Handle this from the start */
233 solo_irq_on(solo_dev
, SOLO_IRQ_PCI_ERR
);
235 ret
= solo_i2c_init(solo_dev
);
239 /* Setup the DMA engine */
240 sdram
= (solo_dev
->nr_chans
>= 8) ? 2 : 1;
241 solo_reg_write(solo_dev
, SOLO_DMA_CTRL
,
242 SOLO_DMA_CTRL_REFRESH_CYCLE(1) |
243 SOLO_DMA_CTRL_SDRAM_SIZE(sdram
) |
244 SOLO_DMA_CTRL_SDRAM_CLK_INVERT
|
245 SOLO_DMA_CTRL_READ_CLK_SELECT
|
246 SOLO_DMA_CTRL_LATENCY(1));
248 ret
= solo_p2m_init(solo_dev
);
252 ret
= solo_disp_init(solo_dev
);
256 ret
= solo_gpio_init(solo_dev
);
260 ret
= solo_tw28_init(solo_dev
);
264 ret
= solo_v4l2_init(solo_dev
);
268 ret
= solo_enc_init(solo_dev
);
272 ret
= solo_enc_v4l2_init(solo_dev
);
276 ret
= solo_g723_init(solo_dev
);
283 free_solo_dev(solo_dev
);
287 static void __devexit
solo_pci_remove(struct pci_dev
*pdev
)
289 struct solo_dev
*solo_dev
= pci_get_drvdata(pdev
);
291 free_solo_dev(solo_dev
);
294 static struct pci_device_id solo_id_table
[] = {
295 /* 6010 based cards */
296 {PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC
, PCI_DEVICE_ID_SOLO6010
)},
297 {PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC
, PCI_DEVICE_ID_SOLO6110
),
298 .driver_data
= FLAGS_6110
},
299 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_NEUSOLO_4
)},
300 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_NEUSOLO_9
)},
301 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_NEUSOLO_16
)},
302 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_BC_SOLO_4
)},
303 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_BC_SOLO_9
)},
304 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_BC_SOLO_16
)},
305 /* 6110 based cards */
306 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_BC_6110_4
)},
307 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_BC_6110_8
)},
308 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY
, PCI_DEVICE_ID_BC_6110_16
)},
312 MODULE_DEVICE_TABLE(pci
, solo_id_table
);
314 static struct pci_driver solo_pci_driver
= {
315 .name
= SOLO6X10_NAME
,
316 .id_table
= solo_id_table
,
317 .probe
= solo_pci_probe
,
318 .remove
= solo_pci_remove
,
321 static int __init
solo_module_init(void)
323 return pci_register_driver(&solo_pci_driver
);
326 static void __exit
solo_module_exit(void)
328 pci_unregister_driver(&solo_pci_driver
);
331 module_init(solo_module_init
);
332 module_exit(solo_module_exit
);