Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 1 | /* |
| 2 | * isp.h |
| 3 | * |
| 4 | * TI OMAP3 ISP - Core |
| 5 | * |
| 6 | * Copyright (C) 2009-2010 Nokia Corporation |
| 7 | * Copyright (C) 2009 Texas Instruments, Inc. |
| 8 | * |
| 9 | * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 10 | * Sakari Ailus <sakari.ailus@iki.fi> |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License version 2 as |
| 14 | * published by the Free Software Foundation. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | #ifndef OMAP3_ISP_CORE_H |
| 18 | #define OMAP3_ISP_CORE_H |
| 19 | |
Sakari Ailus | da7f384 | 2015-03-25 19:57:38 -0300 | [diff] [blame] | 20 | #include <media/v4l2-async.h> |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 21 | #include <media/v4l2-device.h> |
Laurent Pinchart | 9b28ee3 | 2012-10-22 10:43:00 -0300 | [diff] [blame] | 22 | #include <linux/clk-provider.h> |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 23 | #include <linux/device.h> |
| 24 | #include <linux/io.h> |
Tony Lindgren | c8d35c8 | 2012-11-02 12:24:03 -0700 | [diff] [blame] | 25 | #include <linux/iommu.h> |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 26 | #include <linux/platform_device.h> |
| 27 | #include <linux/wait.h> |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 28 | |
Laurent Pinchart | 78c66fb | 2015-05-20 04:08:30 -0300 | [diff] [blame] | 29 | #include "omap3isp.h" |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 30 | #include "ispstat.h" |
| 31 | #include "ispccdc.h" |
| 32 | #include "ispreg.h" |
| 33 | #include "ispresizer.h" |
| 34 | #include "isppreview.h" |
| 35 | #include "ispcsiphy.h" |
| 36 | #include "ispcsi2.h" |
| 37 | #include "ispccp2.h" |
| 38 | |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 39 | #define ISP_TOK_TERM 0xFFFFFFFF /* |
| 40 | * terminating token for ISP |
| 41 | * modules reg list |
| 42 | */ |
| 43 | #define to_isp_device(ptr_module) \ |
| 44 | container_of(ptr_module, struct isp_device, isp_##ptr_module) |
| 45 | #define to_device(ptr_module) \ |
| 46 | (to_isp_device(ptr_module)->dev) |
| 47 | |
| 48 | enum isp_mem_resources { |
| 49 | OMAP3_ISP_IOMEM_MAIN, |
| 50 | OMAP3_ISP_IOMEM_CCP2, |
| 51 | OMAP3_ISP_IOMEM_CCDC, |
| 52 | OMAP3_ISP_IOMEM_HIST, |
| 53 | OMAP3_ISP_IOMEM_H3A, |
| 54 | OMAP3_ISP_IOMEM_PREV, |
| 55 | OMAP3_ISP_IOMEM_RESZ, |
| 56 | OMAP3_ISP_IOMEM_SBL, |
| 57 | OMAP3_ISP_IOMEM_CSI2A_REGS1, |
| 58 | OMAP3_ISP_IOMEM_CSIPHY2, |
| 59 | OMAP3_ISP_IOMEM_CSI2A_REGS2, |
| 60 | OMAP3_ISP_IOMEM_CSI2C_REGS1, |
| 61 | OMAP3_ISP_IOMEM_CSIPHY1, |
| 62 | OMAP3_ISP_IOMEM_CSI2C_REGS2, |
| 63 | OMAP3_ISP_IOMEM_LAST |
| 64 | }; |
| 65 | |
| 66 | enum isp_sbl_resource { |
| 67 | OMAP3_ISP_SBL_CSI1_READ = 0x1, |
| 68 | OMAP3_ISP_SBL_CSI1_WRITE = 0x2, |
| 69 | OMAP3_ISP_SBL_CSI2A_WRITE = 0x4, |
| 70 | OMAP3_ISP_SBL_CSI2C_WRITE = 0x8, |
| 71 | OMAP3_ISP_SBL_CCDC_LSC_READ = 0x10, |
| 72 | OMAP3_ISP_SBL_CCDC_WRITE = 0x20, |
| 73 | OMAP3_ISP_SBL_PREVIEW_READ = 0x40, |
| 74 | OMAP3_ISP_SBL_PREVIEW_WRITE = 0x80, |
| 75 | OMAP3_ISP_SBL_RESIZER_READ = 0x100, |
| 76 | OMAP3_ISP_SBL_RESIZER_WRITE = 0x200, |
| 77 | }; |
| 78 | |
| 79 | enum isp_subclk_resource { |
| 80 | OMAP3_ISP_SUBCLK_CCDC = (1 << 0), |
Laurent Pinchart | be9a1b9 | 2012-05-25 08:35:10 -0300 | [diff] [blame] | 81 | OMAP3_ISP_SUBCLK_AEWB = (1 << 1), |
| 82 | OMAP3_ISP_SUBCLK_AF = (1 << 2), |
| 83 | OMAP3_ISP_SUBCLK_HIST = (1 << 3), |
| 84 | OMAP3_ISP_SUBCLK_PREVIEW = (1 << 4), |
| 85 | OMAP3_ISP_SUBCLK_RESIZER = (1 << 5), |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 86 | }; |
| 87 | |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 88 | /* ISP: OMAP 34xx ES 1.0 */ |
| 89 | #define ISP_REVISION_1_0 0x10 |
| 90 | /* ISP2: OMAP 34xx ES 2.0, 2.1 and 3.0 */ |
| 91 | #define ISP_REVISION_2_0 0x20 |
| 92 | /* ISP2P: OMAP 36xx */ |
| 93 | #define ISP_REVISION_15_0 0xF0 |
| 94 | |
Sakari Ailus | 503596a | 2015-03-25 19:57:34 -0300 | [diff] [blame] | 95 | #define ISP_PHY_TYPE_3430 0 |
| 96 | #define ISP_PHY_TYPE_3630 1 |
| 97 | |
| 98 | struct regmap; |
| 99 | |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 100 | /* |
| 101 | * struct isp_res_mapping - Map ISP io resources to ISP revision. |
| 102 | * @isp_rev: ISP_REVISION_x_x |
Sakari Ailus | 8644cdf | 2015-03-25 19:57:35 -0300 | [diff] [blame] | 103 | * @offset: register offsets of various ISP sub-blocks |
Sakari Ailus | 503596a | 2015-03-25 19:57:34 -0300 | [diff] [blame] | 104 | * @phy_type: ISP_PHY_TYPE_{3430,3630} |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 105 | */ |
| 106 | struct isp_res_mapping { |
| 107 | u32 isp_rev; |
Sakari Ailus | 8644cdf | 2015-03-25 19:57:35 -0300 | [diff] [blame] | 108 | u32 offset[OMAP3_ISP_IOMEM_LAST]; |
Sakari Ailus | 503596a | 2015-03-25 19:57:34 -0300 | [diff] [blame] | 109 | u32 phy_type; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 110 | }; |
| 111 | |
| 112 | /* |
| 113 | * struct isp_reg - Structure for ISP register values. |
| 114 | * @reg: 32-bit Register address. |
| 115 | * @val: 32-bit Register value. |
| 116 | */ |
| 117 | struct isp_reg { |
| 118 | enum isp_mem_resources mmio_range; |
| 119 | u32 reg; |
| 120 | u32 val; |
| 121 | }; |
| 122 | |
Laurent Pinchart | 9b28ee3 | 2012-10-22 10:43:00 -0300 | [diff] [blame] | 123 | enum isp_xclk_id { |
| 124 | ISP_XCLK_A, |
| 125 | ISP_XCLK_B, |
| 126 | }; |
| 127 | |
| 128 | struct isp_xclk { |
| 129 | struct isp_device *isp; |
| 130 | struct clk_hw hw; |
Sylwester Nawrocki | f8e2ff2 | 2013-12-04 14:12:03 -0300 | [diff] [blame] | 131 | struct clk *clk; |
Laurent Pinchart | 9b28ee3 | 2012-10-22 10:43:00 -0300 | [diff] [blame] | 132 | enum isp_xclk_id id; |
| 133 | |
| 134 | spinlock_t lock; /* Protects enabled and divider */ |
| 135 | bool enabled; |
| 136 | unsigned int divider; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 137 | }; |
| 138 | |
| 139 | /* |
| 140 | * struct isp_device - ISP device structure. |
| 141 | * @dev: Device pointer specific to the OMAP3 ISP. |
| 142 | * @revision: Stores current ISP module revision. |
| 143 | * @irq_num: Currently used IRQ number. |
| 144 | * @mmio_base: Array with kernel base addresses for ioremapped ISP register |
| 145 | * regions. |
Sakari Ailus | 4fcfeca | 2015-03-25 19:57:33 -0300 | [diff] [blame] | 146 | * @mmio_hist_base_phys: Physical L4 bus address for ISP hist block register |
| 147 | * region. |
Sakari Ailus | 503596a | 2015-03-25 19:57:34 -0300 | [diff] [blame] | 148 | * @syscon: Regmap for the syscon register space |
| 149 | * @syscon_offset: Offset of the CSIPHY control register in syscon |
| 150 | * @phy_type: ISP_PHY_TYPE_{3430,3630} |
Laurent Pinchart | 2a0a547 | 2014-01-02 20:06:08 -0300 | [diff] [blame] | 151 | * @mapping: IOMMU mapping |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 152 | * @stat_lock: Spinlock for handling statistics |
| 153 | * @isp_mutex: Mutex for serializing requests to ISP. |
Laurent Pinchart | 112eee0 | 2013-12-15 23:49:42 -0300 | [diff] [blame] | 154 | * @stop_failure: Indicates that an entity failed to stop. |
Laurent Pinchart | 1567bb7 | 2011-11-18 11:28:24 -0300 | [diff] [blame] | 155 | * @crashed: Bitmask of crashed entities (indexed by entity ID) |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 156 | * @has_context: Context has been saved at least once and can be restored. |
| 157 | * @ref_count: Reference count for handling multiple ISP requests. |
| 158 | * @cam_ick: Pointer to camera interface clock structure. |
| 159 | * @cam_mclk: Pointer to camera functional clock structure. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 160 | * @csi2_fck: Pointer to camera CSI2 complexIO clock structure. |
| 161 | * @l3_ick: Pointer to OMAP3 L3 bus interface clock. |
Laurent Pinchart | 9b28ee3 | 2012-10-22 10:43:00 -0300 | [diff] [blame] | 162 | * @xclks: External clocks provided by the ISP |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 163 | * @irq: Currently attached ISP ISR callbacks information structure. |
| 164 | * @isp_af: Pointer to current settings for ISP AutoFocus SCM. |
| 165 | * @isp_hist: Pointer to current settings for ISP Histogram SCM. |
| 166 | * @isp_h3a: Pointer to current settings for ISP Auto Exposure and |
| 167 | * White Balance SCM. |
| 168 | * @isp_res: Pointer to current settings for ISP Resizer. |
| 169 | * @isp_prev: Pointer to current settings for ISP Preview. |
| 170 | * @isp_ccdc: Pointer to current settings for ISP CCDC. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 171 | * @platform_cb: ISP driver callback function pointers for platform code |
| 172 | * |
| 173 | * This structure is used to store the OMAP ISP Information. |
| 174 | */ |
| 175 | struct isp_device { |
| 176 | struct v4l2_device v4l2_dev; |
Sakari Ailus | da7f384 | 2015-03-25 19:57:38 -0300 | [diff] [blame] | 177 | struct v4l2_async_notifier notifier; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 178 | struct media_device media_dev; |
| 179 | struct device *dev; |
| 180 | u32 revision; |
| 181 | |
| 182 | /* platform HW resources */ |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 183 | unsigned int irq_num; |
| 184 | |
| 185 | void __iomem *mmio_base[OMAP3_ISP_IOMEM_LAST]; |
Sakari Ailus | 4fcfeca | 2015-03-25 19:57:33 -0300 | [diff] [blame] | 186 | unsigned long mmio_hist_base_phys; |
Sakari Ailus | 503596a | 2015-03-25 19:57:34 -0300 | [diff] [blame] | 187 | struct regmap *syscon; |
| 188 | u32 syscon_offset; |
| 189 | u32 phy_type; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 190 | |
Laurent Pinchart | 2a0a547 | 2014-01-02 20:06:08 -0300 | [diff] [blame] | 191 | struct dma_iommu_mapping *mapping; |
| 192 | |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 193 | /* ISP Obj */ |
| 194 | spinlock_t stat_lock; /* common lock for statistic drivers */ |
| 195 | struct mutex isp_mutex; /* For handling ref_count field */ |
Laurent Pinchart | 112eee0 | 2013-12-15 23:49:42 -0300 | [diff] [blame] | 196 | bool stop_failure; |
Laurent Pinchart | 1567bb7 | 2011-11-18 11:28:24 -0300 | [diff] [blame] | 197 | u32 crashed; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 198 | int has_context; |
| 199 | int ref_count; |
| 200 | unsigned int autoidle; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 201 | #define ISP_CLK_CAM_ICK 0 |
| 202 | #define ISP_CLK_CAM_MCLK 1 |
Laurent Pinchart | 6d1aa02 | 2012-11-10 12:06:25 +0100 | [diff] [blame] | 203 | #define ISP_CLK_CSI2_FCK 2 |
| 204 | #define ISP_CLK_L3_ICK 3 |
| 205 | struct clk *clock[4]; |
Laurent Pinchart | 9b28ee3 | 2012-10-22 10:43:00 -0300 | [diff] [blame] | 206 | struct isp_xclk xclks[2]; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 207 | |
| 208 | /* ISP modules */ |
| 209 | struct ispstat isp_af; |
| 210 | struct ispstat isp_aewb; |
| 211 | struct ispstat isp_hist; |
| 212 | struct isp_res_device isp_res; |
| 213 | struct isp_prev_device isp_prev; |
| 214 | struct isp_ccdc_device isp_ccdc; |
| 215 | struct isp_csi2_device isp_csi2a; |
| 216 | struct isp_csi2_device isp_csi2c; |
| 217 | struct isp_ccp2_device isp_ccp2; |
| 218 | struct isp_csiphy isp_csiphy1; |
| 219 | struct isp_csiphy isp_csiphy2; |
| 220 | |
| 221 | unsigned int sbl_resources; |
| 222 | unsigned int subclk_resources; |
Sakari Ailus | da7f384 | 2015-03-25 19:57:38 -0300 | [diff] [blame] | 223 | |
| 224 | #define ISP_MAX_SUBDEVS 8 |
| 225 | struct v4l2_subdev *subdevs[ISP_MAX_SUBDEVS]; |
| 226 | }; |
| 227 | |
| 228 | struct isp_async_subdev { |
| 229 | struct v4l2_subdev *sd; |
| 230 | struct isp_bus_cfg bus; |
| 231 | struct v4l2_async_subdev asd; |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 232 | }; |
| 233 | |
| 234 | #define v4l2_dev_to_isp_device(dev) \ |
| 235 | container_of(dev, struct isp_device, v4l2_dev) |
| 236 | |
| 237 | void omap3isp_hist_dma_done(struct isp_device *isp); |
| 238 | |
| 239 | void omap3isp_flush(struct isp_device *isp); |
| 240 | |
| 241 | int omap3isp_module_sync_idle(struct media_entity *me, wait_queue_head_t *wait, |
| 242 | atomic_t *stopping); |
| 243 | |
| 244 | int omap3isp_module_sync_is_stopping(wait_queue_head_t *wait, |
| 245 | atomic_t *stopping); |
| 246 | |
| 247 | int omap3isp_pipeline_set_stream(struct isp_pipeline *pipe, |
| 248 | enum isp_pipeline_stream_state state); |
Laurent Pinchart | 661112c | 2013-12-09 11:36:51 -0300 | [diff] [blame] | 249 | void omap3isp_pipeline_cancel_stream(struct isp_pipeline *pipe); |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 250 | void omap3isp_configure_bridge(struct isp_device *isp, |
| 251 | enum ccdc_input_entity input, |
Sakari Ailus | 68908747 | 2015-03-25 19:57:30 -0300 | [diff] [blame] | 252 | const struct isp_parallel_cfg *buscfg, |
Laurent Pinchart | c51364c | 2011-08-31 11:03:53 -0300 | [diff] [blame] | 253 | unsigned int shift, unsigned int bridge); |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 254 | |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 255 | struct isp_device *omap3isp_get(struct isp_device *isp); |
| 256 | void omap3isp_put(struct isp_device *isp); |
| 257 | |
| 258 | void omap3isp_print_status(struct isp_device *isp); |
| 259 | |
| 260 | void omap3isp_sbl_enable(struct isp_device *isp, enum isp_sbl_resource res); |
| 261 | void omap3isp_sbl_disable(struct isp_device *isp, enum isp_sbl_resource res); |
| 262 | |
| 263 | void omap3isp_subclk_enable(struct isp_device *isp, |
| 264 | enum isp_subclk_resource res); |
| 265 | void omap3isp_subclk_disable(struct isp_device *isp, |
| 266 | enum isp_subclk_resource res); |
| 267 | |
| 268 | int omap3isp_pipeline_pm_use(struct media_entity *entity, int use); |
| 269 | |
| 270 | int omap3isp_register_entities(struct platform_device *pdev, |
| 271 | struct v4l2_device *v4l2_dev); |
| 272 | void omap3isp_unregister_entities(struct platform_device *pdev); |
| 273 | |
| 274 | /* |
| 275 | * isp_reg_readl - Read value of an OMAP3 ISP register |
Lad, Prabhakar | 872aba5 | 2014-02-21 09:07:23 -0300 | [diff] [blame] | 276 | * @isp: Device pointer specific to the OMAP3 ISP. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 277 | * @isp_mmio_range: Range to which the register offset refers to. |
| 278 | * @reg_offset: Register offset to read from. |
| 279 | * |
| 280 | * Returns an unsigned 32 bit value with the required register contents. |
| 281 | */ |
| 282 | static inline |
| 283 | u32 isp_reg_readl(struct isp_device *isp, enum isp_mem_resources isp_mmio_range, |
| 284 | u32 reg_offset) |
| 285 | { |
| 286 | return __raw_readl(isp->mmio_base[isp_mmio_range] + reg_offset); |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * isp_reg_writel - Write value to an OMAP3 ISP register |
Lad, Prabhakar | 872aba5 | 2014-02-21 09:07:23 -0300 | [diff] [blame] | 291 | * @isp: Device pointer specific to the OMAP3 ISP. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 292 | * @reg_value: 32 bit value to write to the register. |
| 293 | * @isp_mmio_range: Range to which the register offset refers to. |
| 294 | * @reg_offset: Register offset to write into. |
| 295 | */ |
| 296 | static inline |
| 297 | void isp_reg_writel(struct isp_device *isp, u32 reg_value, |
| 298 | enum isp_mem_resources isp_mmio_range, u32 reg_offset) |
| 299 | { |
| 300 | __raw_writel(reg_value, isp->mmio_base[isp_mmio_range] + reg_offset); |
| 301 | } |
| 302 | |
| 303 | /* |
Lad, Prabhakar | 872aba5 | 2014-02-21 09:07:23 -0300 | [diff] [blame] | 304 | * isp_reg_clr - Clear individual bits in an OMAP3 ISP register |
| 305 | * @isp: Device pointer specific to the OMAP3 ISP. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 306 | * @mmio_range: Range to which the register offset refers to. |
| 307 | * @reg: Register offset to work on. |
| 308 | * @clr_bits: 32 bit value which would be cleared in the register. |
| 309 | */ |
| 310 | static inline |
| 311 | void isp_reg_clr(struct isp_device *isp, enum isp_mem_resources mmio_range, |
| 312 | u32 reg, u32 clr_bits) |
| 313 | { |
| 314 | u32 v = isp_reg_readl(isp, mmio_range, reg); |
| 315 | |
| 316 | isp_reg_writel(isp, v & ~clr_bits, mmio_range, reg); |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | * isp_reg_set - Set individual bits in an OMAP3 ISP register |
Lad, Prabhakar | 872aba5 | 2014-02-21 09:07:23 -0300 | [diff] [blame] | 321 | * @isp: Device pointer specific to the OMAP3 ISP. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 322 | * @mmio_range: Range to which the register offset refers to. |
| 323 | * @reg: Register offset to work on. |
| 324 | * @set_bits: 32 bit value which would be set in the register. |
| 325 | */ |
| 326 | static inline |
| 327 | void isp_reg_set(struct isp_device *isp, enum isp_mem_resources mmio_range, |
| 328 | u32 reg, u32 set_bits) |
| 329 | { |
| 330 | u32 v = isp_reg_readl(isp, mmio_range, reg); |
| 331 | |
| 332 | isp_reg_writel(isp, v | set_bits, mmio_range, reg); |
| 333 | } |
| 334 | |
| 335 | /* |
| 336 | * isp_reg_clr_set - Clear and set invidial bits in an OMAP3 ISP register |
Lad, Prabhakar | 872aba5 | 2014-02-21 09:07:23 -0300 | [diff] [blame] | 337 | * @isp: Device pointer specific to the OMAP3 ISP. |
Sakari Ailus | 448de7e | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 338 | * @mmio_range: Range to which the register offset refers to. |
| 339 | * @reg: Register offset to work on. |
| 340 | * @clr_bits: 32 bit value which would be cleared in the register. |
| 341 | * @set_bits: 32 bit value which would be set in the register. |
| 342 | * |
| 343 | * The clear operation is done first, and then the set operation. |
| 344 | */ |
| 345 | static inline |
| 346 | void isp_reg_clr_set(struct isp_device *isp, enum isp_mem_resources mmio_range, |
| 347 | u32 reg, u32 clr_bits, u32 set_bits) |
| 348 | { |
| 349 | u32 v = isp_reg_readl(isp, mmio_range, reg); |
| 350 | |
| 351 | isp_reg_writel(isp, (v & ~clr_bits) | set_bits, mmio_range, reg); |
| 352 | } |
| 353 | |
| 354 | static inline enum v4l2_buf_type |
| 355 | isp_pad_buffer_type(const struct v4l2_subdev *subdev, int pad) |
| 356 | { |
| 357 | if (pad >= subdev->entity.num_pads) |
| 358 | return 0; |
| 359 | |
| 360 | if (subdev->entity.pads[pad].flags & MEDIA_PAD_FL_SINK) |
| 361 | return V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 362 | else |
| 363 | return V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 364 | } |
| 365 | |
| 366 | #endif /* OMAP3_ISP_CORE_H */ |